CN105309095B

CN105309095B - Saddle type rice transplanter

Info

Publication number: CN105309095B
Application number: CN201510148951.8A
Authority: CN
Inventors: 田部智也
Original assignee: Kubota Corp
Current assignee: Kubota Corp
Priority date: 2014-05-27
Filing date: 2015-03-31
Publication date: 2019-06-07
Anticipated expiration: 2035-03-31
Also published as: CN110089246A; JP2015223104A; CN110089246B; JP6261448B2; CN105309095A

Abstract

A kind of saddle type rice transplanter, comprising: seedling-planting apparatus, liftable are swingingly connected in the rear portion of traveling adult；And it is installed on the mud cover (58) of seedling-planting apparatus, it has the lower-upper length from the lower part of seedling-planting apparatus to upper side, to block the soil that the rear-wheel (9) of traveling car body is splash to seedling-planting apparatus, in the opposite site with rear-wheel (9) of mud cover (58), with notch section (58D), it is in the case where making seedling-planting apparatus (4) drop to the upper side of seedling-planting apparatus (4) and the lower limit decline state of rear-wheel (9) immediate lower position, so that avoiding contacting with rear-wheel (9).Using the present invention, seedling-planting apparatus has the mud cover for blocking the soil that the rear-wheel of traveling car body is splash to seedling-planting apparatus, leaves distance without increase traveling car body and seedling-planting apparatus.

Description

Saddle type rice transplanter

Technical field

Swingingly coupling the present invention relates to a kind of rear portion liftable in traveling car body has the riding type of seedling-planting apparatus to insert Seedling machine.

Background technique

As saddle type rice transplanter as described above, there is such structure, is configured to the whole branch with left and right of mud guard Column is compared and is located at the configuration of traveling car body side and is set to seedling-planting apparatus, and the left side for being equipped on seedling-planting apparatus is arranged using erectting Right pillar, to bear to support the upper side for rising the seedling carrying base that posture extends towards front to traveling car body, the gear from below Mud plate has such left and right amplitude: the joining beam machine from the rear portion that seedling-planting apparatus liftable is swingingly connected in traveling body It crosses left and right sidesing pillar near structure and extends to the left and right near outer ends of seedling carrying base (referring for example to patent document 1).

In addition, having such structure as saddle type rice transplanter as described above: having mechanical link mechanism, the machine The site preparation floating body for being set to seedling-planting apparatus and control valve are connected to by tool formula link mechanism: the action state and site preparation of control valve are floating Swinging up and down for body is connected and switches, so that seedling-planting apparatus is gone up and down, thus ties up planting depth of the growing body to rice shoot Hold into the planting depth as set by the planting depth adjusting rod for being set to seedling-planting apparatus.Mechanical link mechanism includes connection Wire；Longitudinal linking part of the free end connection of the one end and site preparation floating body of the outer wire in wire will be linked Part；And the one end of the inner wire linked in wire is fixed on to the fixation of the specified position relative to seedling-planting apparatus Machinery Ministry.Also, the solid mechanical portion is made to include the fixation member for being fixed on the fixed part of seedling-planting apparatus；Relative to fixation Component and using the cantilevered swing component towards front and back that swings up and down as fulcrum of fulcrum towards left and right；It is inserted through linking part The long hole of part and by the one end of inner wire couple with the front end of cantilevered swing component direction left and right coupling spindle；And By the connecting rod of the rear end of cantilevered swing component and the connection of planting depth adjusting rod, from regardless of with planting depth adjusting rod To the planting depth of rice shoot adjust caused by the altitude datum of site preparation floating body how to change, by will be from one end of outer wire The overhang of portion's inner wire outstanding is maintained centainly, thus by being connected with swinging up and down for site preparation floating body and planting seed Automatically the control sensitivity in the elevating control of lifting and swinging is maintained at certain device.

However, have such connecting rod in the saddle type rice transplanter with this mechanical link mechanism, the connecting rod Be formed as such shape: its both ends is mutually towards the crank shape of left and right opposite direction extension (referring for example to patent text It offers 2).

Patent document 1: Japanese Patent Laid-Open 2007-75067 bulletin (numbered paragraphs 0030~0031, FIG. 1 to FIG. 2, figure 10)

Patent document 2: Japanese Patent Laid-Open 2000-295909 bulletin (numbered paragraphs 0025, Fig. 2, Fig. 4, Fig. 5)

In saddle type rice transplanter, stored the case where carrying out maintenance to seedling-planting apparatus or by saddle type rice transplanter The case where between storage, makes seedling-planting apparatus be rocked to seedling-planting apparatus in the ground connection height and position decline of the rear-wheel of left and right sometimes The lower position that is grounded with flat-hand position of site preparation floating body.Also, seedling-planting apparatus decline is so made to be rocked to lower position The case where, the upper side of seedling-planting apparatus is at the state of the rear-wheel closest to left and right, therefore, the upper side of seedling-planting apparatus It is possible that being contacted with the rear-wheel of left and right.

Therefore, in saddle type rice transplanter, in the seedling-planting apparatus for making seedling-planting apparatus decline be rocked to lower position In lower limit decline state between the upper side of immediate seedling-planting apparatus and the rear-wheel of left and right, by ensuring that them is avoided to connect The small―gap suture of touching degree, to prevent from leaving multiplying caused by unnecessary become larger because of traveling car body and seedling-planting apparatus The enlargement of sitting posture rice transplanter or workability decline when seedling being fed to the seedling carrying base of seedling-planting apparatus from traveling car body etc., and And the anxiety for avoiding the upper side of seedling-planting apparatus from contacting with the rear-wheel of left and right.

But in this saddle type rice transplanter, when seedling-planting apparatus has the gear of structure recorded in aforementioned patent literature 1 When mud cover, it is necessary to the gap avoided contact with ensured between the upper side of seedling-planting apparatus and the rear-wheel of left and right is done greatly, To allow to equip mud cover.Therefore, the distance of leaving of traveling car body and seedling-planting apparatus becomes larger, it is possible to cause caused by it The enlargement of saddle type rice transplanter or from traveling car body to seedling carrying base supply rice shoot workability decline etc..

On the other hand, in the saddle type rice transplanter with mechanical link mechanism above-mentioned, when using 2 institute of patent document When the structure of record, the both ends of connecting rod extend towards mutual left and right opposite direction, are as a result, being put cantilever by connecting rod The case where rear end of dynamic component and planting depth adjusting rod link, by connecting rod from one side direction of the left and right of seedling-planting apparatus After cantilevered swing component and the insertion of planting depth adjusting rod, it is necessary to proceed as follows: for inserting the one end of connecting rod It is sticked in the insert snap-action of a side side to the left and right for the rear end of cantilevered swing component；And for by the another of connecting rod End insert is sticked in the insert snap-action of the side of another party to the left and right of planting depth adjusting rod.

As a result, the connection operation of cantilevered swing component and planting depth adjusting rod that connecting rod carries out becomes easy cost Time leaves some room for improvement in terms of the assembling for improving the connecting rod in mechanical link mechanism.

Summary of the invention

Problems to be solved by the invention

1st purpose of the invention is, makes seedling-planting apparatus that there is mud cover to plant without will increase traveler car body and seed Device leaves distance, which blocks the soil that the rear-wheel of traveling car body is splash to seedling-planting apparatus.

2nd purpose of the invention is, improves the assembling of the connecting rod in mechanical link mechanism, the mechanical connection Mechanism links up site preparation floating body with control valve, makes seedling-planting apparatus automatically with being connected with swinging up and down for site preparation floating body Lifting and swinging.

Means for solving the problems

The means to solve the problem of the invention are,

A kind of saddle type rice transplanter, which is characterized in that

Seedling-planting apparatus is included, which is swingingly connected in the rear portion of traveling car body；And gear mud Cover, the mud cover are installed on the seedling-planting apparatus, have the lower-upper length from the lower part of the seedling-planting apparatus to upper side, To block the soil that the rear-wheel of the traveling car body is splash to the seedling-planting apparatus,

The mud cover has notch section, drops to the seedling-planting apparatus in the opposite site with the rear-wheel Under the upper side of the seedling-planting apparatus and the lower limit decline state of the immediate lower position of the rear-wheel, pass through the notch section Avoid with the contact of the rear-wheel, and the upper end in the mud cover is leaned forward bigger compared with lower side,

The seedling-planting apparatus includes the multiple pillars for bearing the upper side of bearing seedling carrying base from below；And to the branch The long bearing part in the left and right that the lower end of column and the lower end of the mud cover are supported,

The bearing part has so that the insertion connection of the lower edge in the mud cover becomes possible engaged part Part,

In the lower end of the mud cover, comprising: the 1st notch section, the 1st notch section allow from the seedling-planting apparatus to The equipment for the operating parts that the traveling car body extends；And the 2nd notch section, the 2nd notch section allow the pillar relative to institute The connection of bearing part is stated,

The top of the mud cover by be fixed on the top of the pillar the 1st connection parts and with the 1st connection part The band knob bolt that part screws togather, and it is fixed on the 2nd connection parts of the crossbeam across the top for being set up in multiple pillars Couple with knob bolt with the pillar and the crossbeam with what the 2nd connection parts screwed togather,

The labeling section that traveling reference index is formed in field mud face can be risen and fallen and be swingingly provided in the seedling-planting apparatus Left and right,

The latch for printed circuit for carrying out locking holding to the free end side for switching to the labeling section for erecting posture is installed on connection Relay part, the pillar and the crossbeam which will configure in the left and right of the side lateral out of the seedling-planting apparatus Coupled,

The latch for printed circuit is bent to following shape: one end has the hook portion of labeling section locking, also, another End has the mounting portion of the J shape relative to coupling part,

Coupling part includes stopper section, and the stopper section is by blocking the end of the mounting portion side in the latch for printed circuit Face and positioning in left and right directions is carried out to the latch for printed circuit；Holding section, the holding section by with the engaging of the mounting portion And the positioning in the direction orthogonal with left and right directions is carried out to the latch for printed circuit；And clamping part, the clamping part is by by institute Mounting portion is stated to be clamped between the fastener of latch for printed circuit installation and in the positioning side with left and right directions and the holding section The latch for printed circuit is positioned to orthogonal direction.

Using the technical solution, it can get the function and effect of following [1]~[6].

[1] by the notch section with the opposite site of rear-wheel with rear-wheel in mud cover, thus even if unlike such as Mud cover do not have rear-wheel notch section the case where it is such, under the lower limit decline state of seedling-planting apparatus, will ensure that in most Gap between the top of close rear-wheel and each pillar is done greatly to allow to equip mud cover, also can avoid in seedling-planting apparatus The anxiety that rear-wheel is contacted with mud cover under lower limit decline state.

As a result, due to being a kind of structure that mud cover is located between traveling car body and seedling-planting apparatus, and need not be because This and increase traveling car body and seedling-planting apparatus leave distance, therefore, can avoid because increasing traveling car body and seedling-planting apparatus The enlargement left apart from caused saddle type rice transplanter and from traveling car body to the workability of seedling carrying base supply rice shoot Decline etc..

Also, the lower limit decline state of seedling-planting apparatus is as described above, is to carry out maintenance to seedling-planting apparatus The case where or the state implemented of the case where depositing in saddle type rice transplanter between storage, due to being the shape for not making body advance State therefore, will not in terms of preventing soil to be attached to seedling-planting apparatus back side even if rear-wheel is caught in the notch section of mud cover Bring obstruction.

[2] by making the upper end in mud cover lean forward greatly than lower side, so as to shorten mud cover prolonging upwards Elongation, and elongation of the mud cover to rear wheel-side can be increased.

As a result, can get the miniaturization of mud cover, and mud cover can block rear-wheel to seedling-planting apparatus well The soil splash can effectively inhibit soil and be attached to seedling-planting apparatus back side.

[3] by making bearing part that there is engaged member, so as to be easy to carry out the lower edge of mud cover relative to The connection of bearing part.As a result, the assembling of mud cover can be improved.

[4] by making the lower end of mud cover that there is the 1st notch section of operating parts and the 2nd notch section of pillar, from And the assembly and disassembly operation of each pillar and operating parts from the front of seedling-planting apparatus relative to bearing part can be carried out, and from traveler car Side to the swinging operation of operating parts, and mud cover can be formed as transverse width it is roomy hold the big shape of mud area.

As a result, settable hold the big mud cover of mud area, soil can more effectively be inhibited to be attached to seedling-planting apparatus back Surface side, without damaging the assembly and disassembly of each pillar and operating parts and the operability of operating parts.

[5] mud cover is relative to the installation of seedling-planting apparatus, by the lower edge of mud cover be inserted into engaged member into Row connection after, the top of mud cover is coupled with each connection parts with knob bolt, as a result, without tool can simply by Mud cover is installed on seedling-planting apparatus.

On the contrary, mud cover is from removing for seedling-planting apparatus, release by with knob bolt to the top of mud cover and each After the connection of connection parts, the insertion for releasing mud cover lower edge relative to engaged member couples, and not having to tool as a result, can Simply mud cover is removed from seedling-planting apparatus.

Mud cover easily can be removed from seedling-planting apparatus as a result, carry out the cleaning of mud cover and to the dimension of seedling-planting apparatus Shield maintenance etc..

[6] latch for printed circuit of locking holding is carried out to the free end side for switching to the labeling section for erecting posture by setting, To when on the way advancing or when the transport of progress such as tractor or be stored between storage etc. storage when etc., pass through manual operation It is locked on the free end side of each labeling section in the hook portion of corresponding latch for printed circuit, thus can prevent from switching to each of standing posture Labeling section is because of the horizontal swing etc. caused by vibration of body etc..This prevents each labeling section of posture is erected because switching to Horizontal swing etc. caused by with the contact of other things.

In addition, using the connection parts of left and right by the latch for printed circuit of left and right without being properly mounted at seed in positional deviation The labeling section of the left and right engaged with the hook portion of each latch for printed circuit can be engaged be maintained at seed as a result, by the specified position of planting apparatus The appropriate position of planting apparatus.It is possible to more reliably prevent the institutes such as the horizontal swing of each labeling section of posture are erected because switching to as a result, It is caused with the contact of other things.

Another means to solve the problem of the invention are,

The top of the mud cover by be fixed on the top of the pillar the 1st connection parts and with the 1st connection part The band knob bolt that part screws togather, and it is fixed on the 2nd connection parts of the crossbeam across the top for being set up in multiple pillars Couple with knob bolt with the pillar and the crossbeam with what the 2nd connection parts screwed togather.

Using the technical solution, it can get the function and effect of aforementioned [1]~[5].

Another means to solve the problem of the invention are,

In the lower end of the mud cover, comprising: the 1st notch section, the 1st notch section allow from the seedling-planting apparatus to The equipment for the operating parts that the traveling car body extends；And the 2nd notch section, the 2nd notch section allow the pillar relative to institute State the connection of bearing part.

Using the technical solution, it can get the function and effect of aforementioned [1]~[4].

Another means to solve the problem of the invention are,

The seedling-planting apparatus has the bearing part of the left and right length supported to the lower end of the mud cover,

The bearing part has so that the insertion connection of the lower edge in the mud cover becomes possible engaged part Part.

Using the technical solution, it can get the function and effect of aforementioned [1]~[3].

Another means to solve the problem of the invention are,

The mud cover has notch section, drops to the seedling-planting apparatus in the opposite site with the rear-wheel Under the upper side of the seedling-planting apparatus and the lower limit decline state of the immediate lower position of the rear-wheel, pass through the notch section Avoid with the contact of the rear-wheel, and the upper end in the mud cover is leaned forward bigger compared with lower side.

Using the technical solution, it can get the function and effect of aforementioned [1]~[2].

Another means to solve the problem of the invention are,

The mud cover has notch section, drops to the seedling-planting apparatus in the opposite site with the rear-wheel Under the upper side of the seedling-planting apparatus and the lower limit decline state of the immediate lower position of the rear-wheel, pass through the notch section It avoids and the contact of the rear-wheel.

Using the technical solution, it can get the function and effect of aforementioned [1].

Another means to solve the problem of the invention are,

The seedling-planting apparatus includes the site preparation floating body that site preparation is carried out to the mud face in field；Extend to the traveling car body Towards front rise posture seedling carrying base；It configures with deviateing from the dead astern of the rear-wheel towards left and right directions and holds from below Multiple pillars of the upper side of the supported seedling carrying base；And the bearing for the left and right length that the lower end of the pillar is supported Component,

The mud cover includes opposite with the back side of the seedling carrying base positioned at rear side compared with the leading edge of the pillar Plate cover portion；And bloated from the plate cover portion to front side and the bulging cover portion of lengthwise that the pillar is covered from front side, And the upper end in the mud cover is leaned forward bigger compared with lower side,

As the site preparation floating body, comprising: be provided in the central floating body in the left and right center of the seedling-planting apparatus；And match The side floating body of the standby left and right in the central floating body,

The bearing part includes the floating-body cover for blocking the soil that the rear-wheel is splash to the site preparation floating body；And from The front end of the bearing part extend and between the multiple site preparation parts for carrying out site preparation floating body,

The floating-body cover has so that the insertion connection of lower edge in the mud cover becomes possible engaged part,

The mud cover has a bellying towards front, the bellying ensure lower end in the mud cover with it is described Allow between the front end of bearing part the site preparation part from below for the front end of the bearing part connection space, and The lower end of the mud cover has notch section, what which allowed to extend from the seedling-planting apparatus to the traveling car body The equipment of operating parts, or allow the pillar relative to the connection of the bearing part,

As the mud cover, comprising: the half side opposite left mud cover in a left side with the seedling carrying base；And with it is described The half side opposite right mud cover in the right side of seedling carrying base,

The mud cover of left and right is configured to the left and right dual-purpose part of symmetrical shape,

Using the technical solution, it can get the function and effect of following [7]~[14].

[7] since the plate cover portion for being located at the mud cover of rear side compared with the leading edge of each pillar is opposite with the rear-wheel of left and right, Therefore, between rear-wheel and mud cover, it can be ensured that avoid planting dress in the immediate seed of upper side and rear-wheel of seedling-planting apparatus The gap that rear-wheel under the lower limit decline state set is contacted with mud cover, and with for example by mud cover be configured to its it is whole with each The leading edge of column is compared the case where being located at front side and is compared, and can be equipped to together seedling-planting apparatus and mud cover close to traveling car body side State.

That is, due to being a kind of structure that mud cover is located between traveling car body and seedling-planting apparatus, and need not therefore and Increase traveling car body and seedling-planting apparatus leaves distance, therefore, can avoid because increase traveling car body and seedling-planting apparatus from It opens the enlargement apart from caused saddle type rice transplanter and feeds the decline of the workability of rice shoot from traveling car body to seedling carrying base Deng.

[8] by making the upper end in mud cover lean forward greatly than lower side, so as to shorten mud cover prolonging upwards Elongation, and elongation of the mud cover to rear wheel-side can be increased.

[9] by the way that engaged part is arranged in the floating-body cover for being set to bearing part, so as to be that will keep off mud by floating-body cover dual-purpose The connection parts that the lower edge of cover couples with bearing part can be easy to carry out the lower edge of mud cover relative to bearing part Connection.

It simplifies the structure brought by parts count and the reduction of cost etc. as a result, can get to cut down, improves mud cover Assembling.

[10] by the way that bellying is arranged on mud cover, so as to cover site preparation from front by the bellying of mud cover Part couples position with bearing part, and what the soil that can prevent rear-wheel from splashing was attached to site preparation part and bearing part couples position On.Also, be it is a kind of the structure for coupling position of site preparation part and bearing part is covered by the bellying of mud cover in this wise, And mud cover is not removed from bearing part, so that it may assemble and disassemble site preparation part relative to bearing part.

As a result, can be easy to carry out the maintenance of replacement of site preparation part etc..

[11] by the lower end of mud cover be arranged operating parts with or pillar notch section, thus, can be planted from seed The front of device carry out each pillar or operating parts for the assembly and disassembly operation of bearing part and from traveling car body side to operating parts into Row swinging operation, and it is roomy and hold the big shape of mud area that mud cover can be formed as to transverse width.

[12] mud cover is to carry out by the lower edge insertion engaged part of mud cover relative to the installation of seedling-planting apparatus After connection, the top of mud cover is coupled with each connection parts with knob bolt, not having to tool as a result, can be simply by gear Mud cover is installed on seedling-planting apparatus.

On the contrary, mud cover is from removing for seedling-planting apparatus, release by with knob bolt to the top of mud cover and each After the connection of connection parts, the insertion for releasing mud cover lower edge relative to engaged part couples, and not having to tool as a result, can letter Mud cover is removed from seedling-planting apparatus in single ground.

[13] by the mud cover of setting left and right, thus compared with the case where single mud cover is set, it can be by mud cover It is made into the small maneuverable structure of area.As a result, work when mud cover is assembled and disassembled relative to seedling-planting apparatus can be improved Industry.

Also, by the left and right dual-purpose part that the mud cover controlled is configured to symmetrical shape, to be a kind of tool There is the structure of the mud cover of left and right, and can realize that the mold needed for forming them, and can because of cost cutting caused by dual-purpose Obtain the facilitation etc. of part management.

[14] latch for printed circuit of locking holding is carried out to the free end side for switching to the labeling section for erecting posture by setting, To when on the way advancing or when the transport of progress such as tractor or be stored between storage etc. storage when etc., pass through manual operation It is locked on the free end side of each labeling section in the hook portion of corresponding latch for printed circuit, thus can prevent from switching to each of standing posture Labeling section is because of the horizontal swing etc. caused by vibration of body etc..This prevents each labeling section of posture is erected because switching to Horizontal swing etc. caused by with the contact of other things.

In addition, can by the connection parts of left and right by the latch for printed circuit of left and right without being properly mounted at seed in positional deviation The labeling section of the left and right engaged with the hook portion of each latch for printed circuit can be engaged be maintained at seed as a result, by the specified position of planting apparatus The appropriate position of planting apparatus.It is possible to more reliably prevent the institutes such as the horizontal swing of each labeling section of posture are erected because switching to as a result, It is caused with the contact of other things.

Another means to solve the problem of the invention are,

The mud cover of left and right is configured to the left and right dual-purpose part of symmetrical shape.

Using the technical solution, it can get the function and effect of aforementioned [7]~[13].

Another means to solve the problem of the invention are,

Using the technical solution, it can get the function and effect of aforementioned [7]~[12].

Another means to solve the problem of the invention are,

The mud cover has a bellying towards front, the bellying ensure lower end in the mud cover with it is described Allow between the front end of bearing part the site preparation part from below for the front end of the bearing part connection space, and The lower end of the mud cover has notch section, what which allowed to extend from the seedling-planting apparatus to the traveling car body The equipment of operating parts, or allow the pillar relative to the connection of the bearing part.

Using the technical solution, it can get the function and effect of aforementioned [7]~[11].

Another means to solve the problem of the invention are,

The mud cover has a bellying towards front, the bellying ensure lower end in the mud cover with it is described Allow between the front end of bearing part the site preparation part from below for the front end of the bearing part connection space.

Using the technical solution, it can get the function and effect of aforementioned [7]~[10].

Another means to solve the problem of the invention are,

The bearing part has the floating-body cover for blocking the soil that the rear-wheel is splash to the site preparation floating body,

The floating-body cover has so that the insertion connection of the lower edge in the mud cover becomes possible engaged part.

Using the technical solution, it can get the function and effect of aforementioned [7]~[9].

Another means to solve the problem of the invention are,

The seedling-planting apparatus includes the seedling carrying base for rising posture towards front extended to the traveling car body；From institute State the dead astern of rear-wheel towards left and right directions configure with deviateing and bear to support from below the seedling carrying base upper side it is multiple Pillar,

The mud cover includes opposite with the back side of the seedling carrying base positioned at rear side compared with the leading edge of the pillar Plate cover portion；And bloated from the plate cover portion to front side and the bulging of lengthwise that the corresponding pillar is covered from front side Cover portion, and the upper end in the mud cover is leaned forward bigger compared with lower side.

Using the technical solution, it can get the function and effect of aforementioned [7]~[8].

Another means to solve the problem of the invention are,

The mud cover includes opposite with the back side of the seedling carrying base positioned at rear side compared with the leading edge of the pillar Plate cover portion；And bloated from the plate cover portion to front side and the bulging of lengthwise that the corresponding pillar is covered from front side Cover portion.

Using the technical solution, it can get the function and effect of aforementioned [7].

Another means to solve the problem of the invention are,

Seedling-planting apparatus is included, which is swingingly connected in the rear portion of traveling car body；Hydraulic cylinder, The hydraulic cylinder carries out lifting driving to the seedling-planting apparatus；And control valve, the control valve is to being directed to the hydraulic cylinder The flowing of machine oil is controlled,

The seedling-planting apparatus includes site preparation floating body, and the site preparation floating body is using the fulcrum towards left and right as fulcrum and on carrying out Lower swing；Growing body, the growing body is by the rice shoot plantation of specified amount to by the field soil after the site preparation floating body site preparation In；And planting depth adjusting rod, the planting depth adjusting rod change height of the site preparation floating body relative to the growing body It spends position and is adjusted planting depth of the growing body to rice shoot,

With mechanical link mechanism, which is connected to the site preparation floating body and the control valve: Swinging up and down for the action state of the control valve and the site preparation floating body is connected and switches, thus the seedling-planting apparatus liter Thus drop maintains the growing body at certain to the planting depth of rice shoot,

The mechanical link mechanism includes connection wire；By one end of the outer wire in the connection wire Longitudinal connecting member of the free end of portion and site preparation floating body connection；And by it is described connection wire in interior metal The one end of silk is fixed on the fixed mechanism portion relative to the specified position of the seedling-planting apparatus,

The connecting member has longitudinal long hole,

The fixed mechanism portion includes the fixation member for being fixed on the fixed part of the seedling-planting apparatus；With direction left and right Fulcrum be fulcrum and the cantilevered swing component towards front and back that swings up and down relative to the fixation member；It is inserted through institute It states the long hole of connecting member and couples the one end of the inner wire with the front end of the cantilevered swing component Towards the coupling spindle of left and right；And the connection for linking the rear end of the cantilevered swing component and the planting depth adjusting rod Bar, no matter as the planting depth adjusting rod is to the benchmark height of the generated site preparation floating body of planting depth adjusting of rice shoot How degree changes, the inner wire from the one end overhang outstanding of the outer wire be all it is certain,

The connecting rod is formed as the shape that its both ends extends to identical one side of left and right, and the one of the connecting rod The other end of the assembly and connecting rod of the rear end relative to the cantilevered swing component of end relative to institute The assembly for stating planting depth adjusting rod is carried out from one side of the left and right of the seedling-planting apparatus.

Using the technical solution, by the way that connecting rod is formed as the shape that its both ends extends to identical one side of left and right Shape, thus in the case where the rear end of cantilevered swing component and planting depth adjusting rod are linked by connecting rod, pass through by Connecting rod is inserted into from one side direction cantilevered swing component of the left and right of seedling-planting apparatus and planting depth adjusting rod, so as to one action into Connection such as insert engaging and connecting rod of the one end of joining line bar relative to the rear end of cantilevered swing component Connection such as insert engaging of the other end relative to planting depth adjusting rod.

As a result, connecting rod can be easy to carry out from one side of the left and right of seedling-planting apparatus to cantilevered swing component and plantation The connection of depth adjustment bar can improve the assembling of the connecting rod in mechanical link mechanism.

Detailed description of the invention

Fig. 1 is the left view of the saddle type rice transplanter of six row plantations.

Fig. 2 is the left view of seedling-planting apparatus in the saddle type rice transplanter of six row plantations etc..

Fig. 3 is the main view of the seedling-planting apparatus and mud cover etc. in the saddle type rice transplanter of six row plantations.

Fig. 4 is the substantially top view of the seedling-planting apparatus in the saddle type rice transplanter of six row plantations.

Fig. 5 is the solid of the seedling-planting apparatus major part with mud cover in the saddle type rice transplanter of six row plantations Figure.

Fig. 6 is the main of mounting structure of mud cover and floating-body cover in the saddle type rice transplanter for indicate six row plantations etc. Partial vertical profile left view.

Fig. 7 is the main of mounting structure of mud cover and floating-body cover in the saddle type rice transplanter for indicate six row plantations etc. Partial exploded perspective view.

Fig. 8 is the site preparation floating body side structure for indicating the mechanical link mechanism for linking up site preparation floating body and control valve The cross-sectional plan view of major part.

Fig. 9 be indicate the mechanical link mechanism for linking site preparation floating body and control valve site preparation floating body side structure it is main Partial vertical profile left view.

Figure 10 is the site preparation floating body side knot in the mechanical link mechanism for indicating to link up site preparation floating body and control valve The perspective view of the major part of structure.

Figure 11 is the mounting structure of the latch for printed circuit of the labeling section in the saddle type rice transplanter for indicate six row plantations The perspective view of major part.

Figure 12 is the main of the mounting structure of the lower end of the mud cover in the saddle type rice transplanter for indicate six row plantations Partial vertical profile left view.

Figure 13 is the master of the notch section effect of the rear-wheel of the mud cover in the saddle type rice transplanter for indicate six row plantations Want the cross-sectional plan view of part.

Figure 14 is the left view of seedling-planting apparatus in the saddle type rice transplanter of eight row plantations etc..

Figure 15 is the main view of the seedling-planting apparatus and mud cover etc. in the saddle type rice transplanter of eight row plantations.

Figure 16 is the master of mounting structure of mud cover and site preparation part in the saddle type rice transplanter for indicate eight row plantations etc. Want the exploded perspective view of part.

Figure 17 is the main of the mounting structure of the lower end of the mud cover in the saddle type rice transplanter for indicate eight row plantations Partial vertical profile left view.

Figure 18 is the master that contact of the mud cover with rear-wheel in the saddle type rice transplanter for indicate eight row plantations avoids effect Want the cross-sectional plan view of part.

Figure 19 is the master of seedling-planting apparatus and mud cover of the front shape for indicating the mud cover in other embodiments etc. View.

Figure 20 is the mechanical link mechanism for linking up site preparation floating body and control valve indicated in other embodiments Site preparation floating body side structure major part perspective view.

Symbol description

1 traveling car body

2 hydraulic cylinders

4 seedling-planting apparatus

9 rear-wheels

16 site preparation floating bodies

The center 16A floating body

The side 16B floating body

The side 16C floating body

17 seedling carrying bases

20 growing bodies

22 bearing parts (fixed part)

23 pillars

23A leading edge

24 crossbeams

27 connection parts

The stopper section 27A

The holding section 27B

27C clamping part

30 fulcrums

31 planting depth adjusting rods

42 mechanical link mechanisms

43 connection wires

The outer wire of 43A

43B inner wire

44 connecting members

44A long hole

45 fixed mechanism portions

46 fixation members

48 cantilevered swing components

49 coupling spindles

50 connecting rods

50A one end

The other end 50B

51 labeling sections

52 latch for printed circuit

52A hook portion

52B mounting portion

The end face 52C

53 fasteners

58 mud covers

58A plate cover portion

58B bloats cover portion

The upper end 58C

58D notch section

The 1st notch section of 58E

The 2nd notch section of 58F

58G bellying

59 floating-body covers (engaged member)

The engaged part 59A

60 the 1st connection parts

61 the 2nd connection parts

62 band knob bolts

66 site preparation parts

A operating parts

Specific embodiment

[the 1st embodiment]

In the following, the example as the mode for implementing the present invention, and illustrated to answer the present invention according to Figure of description For one example of saddle type rice transplanter i.e. the 1st embodiment of the saddle type rice transplanter of six row plantations.

As shown in Figure 1, the saddle type rice transplanter of six row plantations illustrated by this 1st embodiment, is being configured to take The rear portion of the traveling car body 1 of the four-wheel drive form of formula, connection have with the movement of lift cylinders 2 and swing up and down parallel The link mechanism 3 of four link type, lift cylinders 2 use single-acting hydraulic cylinder.Also, in the rear end lower of the link mechanism 3, Pass through the seedling-planting apparatus 4 for the six row plantations that fulcrum (not shown) towards front and back is rotationally coupled.It is expert at as a result, Rear portion liftable into car body 1 swings and is rotatably equipped with seedling-planting apparatus 4.

Traveling car body 1 front vibrationproof equipped with air-cooled engine 5.Also, by tape drive mechanism 6, make The hydrostatic stepless speed change device (not shown) that is arranged for main speed change gear and change is built in as secondary speed-changing device Power from engine 5 is transmitted to front-wheel 8 and the left and right of left and right by gear type transmission device (not shown) of fast device case 7 etc. Rear-wheel 9.In addition, traveling car body 1 rear portion side have take Drive Section 10.It takes Drive Section 10 and includes and take step 11； The steering wheel 12 of front-wheel steer；Can adjusting position forward and backward driving seat 13；And it is fed to seedling-planting apparatus 4 It can be used as trampling back step 14 of platform etc. when rice shoot.

As shown in Fig. 1~Fig. 6, seedling-planting apparatus 4, in the plantation framework 15 for forming its skeleton, comprising: with traveler car The traveling of body 1 and sliding walking is on field to plant three site preparations that the field mud face of predetermined position etc. carries out site preparation to seed Floating body 16；Be formed as can six row amount of placing cushion rice shoot seedling carrying base 17；Make seedling carrying base 17 with certain stroke in the lateral direction The transverse feed mechanism 18 of reciprocating movement；Whenever the stroke end that seedling carrying base 17 reaches left and right just will be on seedling carrying base with regulation spacing Each cushion rice shoot gives the longitudinal feed mechanism 19 of length feed to the lower end of seedling carrying base 17；It is each on seedling carrying base 17 from placing It cuts the seedling of every specified amount and is planted six helicoid kind in the field soil after site preparation in the lower end of cushion rice shoot Plant mechanism 20；And interior keep (does not scheme the power splitting mechanism that the power from traveling car body 1 is assigned to each mechanism 18~20 Show) etc. power distributor box 21 etc., seedling-planting apparatus 4 carries out the rice shoot plantation for being up to six rows as a result,.

As shown in Figure 2 to 7, plantation framework 15 includes the square tube of the left and right length for the front lower portion for being provided in seedling-planting apparatus 4 The bearing part 22 of shape；The pillar 23 that the left and right of left and right ends side of bearing part 22 is set is erect with forward lean；Across The crossbeam 24 set up to 23 top of pillar of left and right；And it separates certain intervals in left and right directions and is arranged and from supporting part Three transmission cases 25 etc. that part 22 rearward extends.Also, in the left and right middle part of bearing part 22, have via towards front and back Fulcrum and the power distributor box 21 that couples with link mechanism 3, bearing part 22 is played to the pillar 23 of left and right and each is passed as a result, The function for the master unit that dynamic case 25 etc. is supported.In addition, the left and right sides of the rear end in each transmission case 25 is equipped with kind Plant mechanism 20.

The pillar 23 of left and right has the connection parts 26 of lower part in their lower weld, and connection parts 26 can be with bearing 22 bolt-connection of component.In addition, the pillar 23 of left and right, is welded with the connection parts 27 on top, connection part on their top Part 27 can with 24 bolt-connection of crossbeam, also, separate be suitable for support six rows seedling carrying base 17 left and right compartment of terrain be equipped with, thus Positioned at the dead astern of the rear-wheel 9 of left and right.

As shown in Fig. 2, Fig. 3, Fig. 5, Fig. 6 and Fig. 8~Figure 10, each site preparation floating body 16, their rear portion side passes through towards left Right fulcrum 30 and with the institute from three groups of supporting arms 29 being extended towards the floating body fulcrum shaft 28 of left and right directions to the back lower place The free end (rear end) of corresponding supporting arm 29, which is connected into, to be swung up and down with the fulcrum 30 for fulcrum.In floating body branch On point axis 28, with the state that extends from 28 forward upward of floating body fulcrum shaft equipped with via floating body fulcrum shaft 28 and with each supporting arm The 29 planting depth adjusting rods 31 integrally swung.Planting depth adjusting rod 31 with the bar for standing up bearing part 22 by leading Engaging to part 32, and it is positively retained at arbitrary operating position.

From the structure, by the way that planting depth adjusting rod 31 is vertically given swinging operation, so as to by each site preparation Floating body 16 is integrally changed relative to the height and position of each growing body 20, and each growing body 20 is thus adjusted by rice shoot Plant the planting depth to field.Also, after the adjusting by by planting depth adjusting rod 31 in any operating position and bar Guide part 32 engages, so as to by each growing body 20 by the planting depth setting that rice shoot is planted to field be kept into at this time The corresponding planting depth of clamped position.

As shown in Figure 1 to 4, seedling carrying base 17, to take driving to traveling car body 1 from the rear lower of seedling-planting apparatus 4 What portion 10 extended rises posture towards front and is set to seedling-planting apparatus 4.Also, in the lower end at the back side of seedling carrying base 17, tool Having lateral length is the downside slide unit 33 across the left and right ends portion of seedling carrying base 17.In addition, at the back side of seedling carrying base 17 Upper side is the upside slide unit 34 across the left and right ends portion of seedling carrying base 17 with lateral length.Downside slide unit 33 Can in the lateral direction slidably placing on the sliding rail 35 towards left and right directions.Sliding rail 35 is adjusted via seedling withdrawal amount Mechanism 36 and the front and back middle part for being mounted on each transmission case 25.Shape when upside slide unit 34 is seen with side is downward U The chimeric orbit portion of shape.Also, the state of the chimeric orbit portion to separate specified interval arrangement in the lateral direction, and can be from upper Fang Yike is fitted on four deflector rolls 37 of crossbeam 24 with respect to the state of sliding in the lateral direction.

That is, accepting the lower side of bearing seedling carrying base 17 from below using sliding rail 35, and via crossbeam 24 and four Deflector rolls 37 etc. accept the upper side of bearing seedling carrying base 17 by the pillar 23 of left and right from below, as a result, on seedling-planting apparatus 4 It can be in the lateral direction slidably equipped with the seedling carrying base 17 for rising posture towards front.

As depicted in figs. 3 and 5, seedling withdrawal amount regulating mechanism 36 and seedling withdrawal amount adjusting rod 38 link, and seedling withdrawal amount is adjusted Bar 38 can swing up and down the adjacent right side for being provided in planting depth adjusting rod 31.Also, this connection is utilized, with seedling withdrawal amount The height and position with swinging up and down operations linkage by sliding rail 35 relative to each transmission case 25 of adjusting rod 38 is changed.Seedling Withdrawal amount adjusting rod 38 using with the engaging of bar guide part 32 above-mentioned, and be positively retained at arbitrary operating position.

From the structure, by the way that seedling withdrawal amount adjusting rod 38 is vertically given swinging operation, so as to by seedling carrying base 17 are changed relative to the height and position of each growing body 20 for being set to each transmission case 25, and each growing body 20 is thus adjusted The seedling withdrawal amount taken out from each cushion rice shoot of the placing on seedling carrying base 17 carried out.Also, by by seedling after the adjusting Withdrawal amount adjusting rod 38 engages in any operating position with bar guide part 32, so as to by each growing body 20 carry out from each pad The seedling withdrawal amount setting that shape rice shoot takes out is kept into seedling withdrawal amount corresponding with clamped position at this time.

As shown in Fig. 3~Fig. 5, transverse feed mechanism 18, which includes, changes the traverse feed speed of seedling carrying base 17 The traverse feed speed changing portion (not shown) of gear type；Traverse feed speed changing portion is carried out using slide in the lateral direction The variable speed operation axis 39 of speed change；And variable speed operation axis 39 is engaged to the retainer (not shown) for being maintained at arbitrary operating position Deng.Traverse feed speed changing portion and retainer are built in power distributor box 21.Variable speed operation axis 39 from power distributor box 21 to the left Extend.Also, lateral feed adjusting rod 40, lateral feed adjusting rod 40 are linked in the left part of variable speed operation axis 39 To operate variable speed operation axis 39 from traveling car body side.Lateral feed adjusting rod 40, with from seedling-planting apparatus 4 to What traveling car body 1 extended can be equipped on and 22 bolt-connection of bearing part above-mentioned with swinging towards front and back posture Bar bearing part 41.Also, the rear end of lateral feed adjusting rod 40 and the left part of variable speed operation axis 39 link.

From the structure, by the way that lateral feed adjusting rod 40 is given swinging operation in the lateral direction, so as to opposite It has been changed with having carried out the stage in the traverse feed speed for the seedling carrying base 17 that the seed of each growing body 20 plants speed, it as a result, can be right The seedling taking number of each growing body 20 of transverse width relative to each cushion rice shoot of the placing on seedling carrying base 17 changes.

Though diagram is omitted, the operating stick of traveling car body 1 taken Drive Section 10 and have operation.The operating stick is constituted For, can holding position switch in lifting position, middle position, down position and planting location.Also, via hand-operated lifting Mechanical link mechanism and control valve connection with the lifting controlled relative to the flowing of lift cylinders 2 machine oil.In addition, Via clutch operating mechanical link mechanism and with kind that connection is turned off to the transmission for driving to seedling-planting apparatus 4 Plant clutch connection.In addition, via intermediate reset mechanical link mechanism and with link mechanism 3 link.The control of lifting Valve processed via automatic lifting mechanical link mechanism 42 (referring to Fig. 2, Fig. 3, Fig. 5 and Fig. 7~Fig. 9) and with play to because of field The inducing floating body function that the soil change in depth that field caused by fluctuating of disk etc. is ploughed on ground is perceived controls the whole of center Ground floating body 16 links.

From the structure, when by operating stick operation to lifting position, pass through the mechanical link mechanism of hand-operated lifting Effect, control valve are switched to the supply state by engine oil supplying to lift cylinders 2.Lift cylinders 2 carry out contractive action as a result, thus Seedling-planting apparatus 4 carries out rising swing with link mechanism 3 together.

It swings when by the rising, when seedling-planting apparatus 4 and link mechanism 3 reach upper limit position, is used by intermediate reset Mechanical link mechanism effect, operating stick swings to middle position from lifting position reset, and passes through hand-operated lifting The effect of mechanical link mechanism, control valve are switched to the halted state stopped to 2 discharge machine oil of lift cylinders.Lift cylinders 2 as a result, Stopping movement, seedling-planting apparatus 4 are automatically stopped together with link mechanism 3 in upper limit position.

When operating operating stick from middle position to down position, pass through the mechanical link mechanism of hand-operated lifting Effect, control valve are switched to the discharge state that machine oil is discharged from lift cylinders 2.Lift cylinders 2 carry out elongation movement as a result, thus Seedling-planting apparatus 4 carries out decline swing with link mechanism 3 together.

It is swung when by the decline, when the site preparation floating body 16 in left and right center is grounded, passes through the machine prior to hand-operated lifting The effect of the mechanical link mechanism 42 of the automatic lifting of tool formula link mechanism, the control valve site preparation floating body central according to left and right 16 ground connection posture and automatically switch into discharge state, halted state and supply state.

Specifically, when the site preparation floating body 16 in left and right center becomes towards front compared to benchmark posture and declines state When, control valve just automatically switches into discharge state, and lift cylinders 2 carry out elongation movement as a result, thus seedling-planting apparatus 4 and connecting rod Mechanism 3 carries out decline swing together.

On the contrary, when the site preparation floating body 16 in left and right center is towards front propradation compared to benchmark posture, control Valve just automatically switches into supply state, and lift cylinders 2 carry out contractive action as a result, thus seedling-planting apparatus 4 and link mechanism 3 one It rises and carries out rising swing.

Also, when the site preparation floating body 16 in left and right center reaches benchmark posture, control valve just automatically switches into halted state, 2 stopping of lift cylinders acts as a result, so that seedling-planting apparatus 4 stops lifting and swinging with link mechanism 3 together.

When by operating stick from down position operation to planting location, the mechanical link mechanism 42 of automatic lifting is maintained Plantation clutch can be switched to connection status from off-state, each growing body 20 can be made to act by the state of generation effect.

When operating operating stick from planting location at down position, the mechanical link mechanism 42 of automatic lifting is maintained Plantation clutch can be switched to off-state from connection status, each growing body 20 can be made to stop dynamic by the state of generation effect Make.

Also, when operating operating stick from down position at lifting position, as described above, seedling-planting apparatus 4 and company Linkage 3 carries out rising swing together, and when seedling-planting apparatus 4 reaches upper limit position together with link mechanism 3, operating stick is from upper Raise-position sets reset and swings to middle position, and seedling-planting apparatus 4 is automatically stopped together with link mechanism 3 in upper limit position.

That is, operating by operating stick to when the plantation operation of planting location, pass through the mechanical connection machine of automatic lifting The effect of structure 42, the soil depth in the field changed due to can be according to reasons such as the fluctuatings for ploughing disk because of field and make seedling-planting apparatus 4 Lifting and swinging is automatically carried out, each site preparation floating body 16 can be maintained as a result, into benchmark posture, as a result, no matter because ploughing disk in field How are the reasons such as rise and fall and the soil depth in field that changes, planting depth of each growing body 20 to rice shoot can all be maintained at Centainly.

As shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 8~Figure 10, the mechanical link mechanism 42 of automatic lifting includes connection gold Belong to silk 43；The free end of the site preparation floating body 16 of the one end and left and right center of the outer wire 43A in wire 43 will be linked The longitudinal connecting member 44 of the direction that (front end) is linked；And one of the inner wire 43B in wire 43 will be linked End is fixed on the fixed mechanism portion 45 etc. relative to the specified position of seedling-planting apparatus 4.

Connecting member 44 is made of the band plate steel for being bent to downward U-shaped when front-rear direction is seen.Also, There is longitudinal long hole 44A in the left and right sides portion of connecting member 44.

Fixed mechanism portion 45 includes fixation member 46, which is fixed on the fixed part as seedling-planting apparatus 4 Bearing part 22；Towards the cantilevered swing component 48 of front and back, the cantilevered swing component 48 towards front and back is relative to fixed part Part 46 is swung up and down with the fulcrum 47 towards left and right for fulcrum；Towards the coupling spindle 49 of left and right, the connection of direction left and right Axis 49 is inserted through the long hole 44A of connecting member 44 and by the front end of the one end of inner wire 43B and cantilevered swing component 48 Connection；And connecting rod 50 etc., the connecting rod 50 link the rear end of cantilevered swing component 48 and planting depth adjusting rod 31. Also, no matter as planting depth adjusting rod 31 is to the altitude datum of the generated each site preparation floating body 16 of planting depth adjusting of seedling How to change, inner wire 43B is constituted from the one end overhang outstanding of the outer wire 43A coupled with connecting member 44 It is certain.

By be set to take Drive Section 10 sensitivity adjusting rod (not shown) swinging operation, automatic lifting it is mechanical Link mechanism 42 changes inner wire 43B from the one end protrusion outstanding of the outer wire 43A coupled with connecting member 44 Amount.Also, by changing the overhang, and the benchmark posture of the site preparation floating body 16 in left and right center is changed, changed in left and right The perception sensitivity of the site preparation floating body 16 of centre.Inner wire 43B is lengthened from the outer wire 43A's coupled with connecting member 44 One end overhang outstanding and by benchmark posture changing to towards front descent direction, then the site preparation floating body 16 in left and right center It is more sensitive to perceive sensitivity.On the contrary, shortening inner wire 43B from one end of the outer wire 43A coupled with connecting member 44 Portion's overhang outstanding and by benchmark posture changing to towards front ascent direction, then it is more blunt to perceive sensitivity.

That is, no matter with planting depth adjusting rod 31 to the planting depth of rice shoot adjust caused by each site preparation floating body 16 How altitude datum changes, and all can will control central site preparation floating body 16 by the effect in fixed mechanism portion 45 above-mentioned Benchmark posture is set as centainly, the perception sensitivity of the site preparation floating body 16 in left and right center can be remained certain.

As shown in Fig. 3, Fig. 5 and Fig. 8~Figure 10, connecting rod 50 is formed as its both ends 50A, 50B from middle part 50C to the left The lateral J shape of the direction of Fang Yanshen.Also, after the one end 50A insert of connecting rod 50 is fastened on cantilevered swing component 48 End, in addition, the other end 50B insert of connecting rod 50 is fastened on the base end side of planting depth adjusting rod 31, as a result, by cantilever The rear end of tilting member 48 and planting depth adjusting rod 31 link.

That is, by the lateral J shape for extending the formation of connecting rod 50 its both ends 50A, 50B to the left from middle part 50C, To in the feelings for being linked the base end side of the rear end of cantilevered swing component 48 and planting depth adjusting rod 31 by connecting rod 50 Condition, by the way that connecting rod 50 is inserted into from the right direction cantilevered swing component 48 and planting depth adjusting rod 31 of seedling-planting apparatus 4, The one end 50A that can carry out connecting rod 50 at one stroke engages relative to the insert of the rear end of cantilevered swing component 48 and its other end Portion 50B engages relative to the insert of planting depth adjusting rod 31.

As a result, can be easy to carry out connecting rod 50 to cantilevered swing component 48 and plantation from the right side side of seedling-planting apparatus 4 The assembling of the connecting rod 50 in the mechanical link mechanism 42 of automatic lifting can be improved in the connection of depth adjustment bar 31.

Connecting rod 50 has towards foreign side between one end 50A and middle part 50C and rises inclined rake 50D.The site preparation floating body 16 in left and right center generates the case where big rising is swung, the upward drum of free end periphery as a result, Portion 16a is just difficult to contact with connecting rod 50 out.

As shown in Fig. 1~Fig. 3 and Fig. 5, in the left and right sides portion of seedling-planting apparatus 4, have the traveling base of next stroke Quasi- index is formed in the labeling section 51 in field mud face.A left side in the labeling section 51 of left and right and the bearing part 22 of seedling-planting apparatus 4 Right corresponding end is connected to rise and fall and swing into the two postures: the standing posture of the storage erected along seedling-planting apparatus 4, With the lodging posture for the formation index stretched out from seedling-planting apparatus 4 to lateral foreign side.

Though illustration omitted, which includes decline towards labeling section 51 of the lodging posture to left and right and apply The extension spring of the left and right of power；1st metal wire type of the left and right that the labeling section 51 of left and right and link mechanism 3 are linked links machine Structure；Force is locked to reach standing posture at the labeling section 51 with left and right and engage with the base end part of corresponding labeling section 51 Left and right swing stopper；And the left and right for being linked the swing stopper of the operating stick of operation above-mentioned and left and right The 2nd metal wire type link mechanism etc..

As a result, in the operation that either one labeling section 51 of left and right is switched to lodging posture is advanced, grasped when by operating stick When accomplishing lifting position and seedling-planting apparatus 4 being made to carry out rising swing to upper limit position, pass through corresponding 1st wire of left and right The effect of formula link mechanism can be such that the labeling section 51 of lodging posture and the rising in the non-operation height region of seedling-planting apparatus 4 puts It is dynamic to carry out standing swing to standing posture with being connected.Also, reach standing posture when labeling section 51 is swung by the standing When, by the effect of the corresponding swing stopper of left and right, the labeling section 51 that can be up to standing posture remains fixed at standing Posture.Then, operating stick is operated to down position, seedling-planting apparatus 4 is made to drop to the operation that each site preparation floating body 16 is grounded After height and position, when by operating stick operation to planting location and swinging operation to left and right either one when not planting side, pass through a left side The effect of right corresponding 2nd metal wire type link mechanism can be released to the standing posture for being located at the labeling section 51 for not planting side It is fixed keep, by the effect of the corresponding extension spring of left and right, can make to release to erect posture it is fixed keep after not The lodging of labeling section 51 for planting side is swung to lodging posture.

As shown in Fig. 2, Fig. 3, Fig. 5 and Figure 11, seedling-planting apparatus 4 has the latch for printed circuit 52 of left and right, the fastener of left and right Part 52 carries out locking holding to the free end side for switching to the labeling section 51 of left and right for erecting posture.Each latch for printed circuit 52 is by being bent The pole steel for being formed as following shape are constituted: one end has the hook portion 52A of labeling section locking, and the other end has The mounting portion 52B of the J shape of connection parts 27 relative to top above-mentioned.The connection parts 27 on each top include only Stopper 27A, stopper section 27A carry out latch for printed circuit 52 and blocking the end face 52C of the mounting portion side in latch for printed circuit 52 The positioning of left and right directions；Holding section 27B, holding section 27B are and with the engaging of the mounting portion 52B of latch for printed circuit 52 to locking Component 52 is positioned in the front-back direction；And clamping part 27C etc., by the way that the mounting portion 52B of latch for printed circuit 52 is clamped in this Clamping part 27C and up and down direction is carried out to latch for printed circuit 52 as between the bolt of the fastener 53 of latch for printed circuit installation Positioning.

With this configuration, when storage when on the way advancing or when the transport of progress such as tractor or being stored between storage etc. Deng making the free end side of each labeling section 51 be locked on the hook portion 52A of corresponding latch for printed circuit 52 by manual operation, thus can prevent Each labeling section 51 for erecting posture is only switched to because of the horizontal swing etc. caused by vibration of body etc..This prevents because cutting Change into erect caused by horizontal swing of each labeling section 51 etc. of posture with the contact of other things.In addition, can be by left and right Latch for printed circuit 52, as a result, can will be with each latch for printed circuit without the specified position for being properly mounted at seedling-planting apparatus 4 in positional deviation The labeling section 51 of the left and right of 52 hook portion 52A locking engages the appropriate position for being maintained at seedling-planting apparatus 4.

As shown in FIG. 1 to 3, link mechanism 3 in its back-end top equipped with by motor drive mechanism at electric rotating motivation 54. Electric rotating motivation 54 is configured to, and opposite retreat operation is carried out by the connection wire 55 to left and right, thus via being set up in The buffer spring 56 of each connection wire 55 and crossbeam 24 and the rotation process for carrying out seedling-planting apparatus 4.Also, according to seed The output for the angle initialization device (not shown) that the rotation angle of planting apparatus 4 is set and rotation angle to seedling-planting apparatus 4 The output of the rotation sensor (not shown) detected, and make the detection angles of rotation sensor and the setting of angle initialization device Carry out seedling-planting apparatus 4 to angle consistent (detection angles of rotation sensor are contained in the insensitive width of set angle) Rotation process, from regardless of field plough disk fluctuating etc. how, all the rotation angle of seedling-planting apparatus 4 can be remained angled and set Determine the set angle of device.

Seedling-planting apparatus 4 has the left and right ends portion of the upper rear end and upside slide unit 34 that hang on link mechanism 3 Left and right balancing spring 57.Prevent seedling-planting apparatus 4 because of left and right caused by the sliding in the lateral direction of seedling carrying base 17 as a result, The variation of balance and carry out unnecessary rotation relative to traveling car body 1.

As shown in FIG. 1 to FIG. 3, Fig. 5~Fig. 7, Figure 12 and Figure 13, which has the mud cover 58 of left and right, The mud cover 58 has the lower-upper length from the lower part of seedling-planting apparatus 4 to upper side, and the rear-wheel 9 for blocking left and right is planted to seed to be filled Set 4 soil splash.

The mud cover 58 of left and right, their lower end couples with the front lower portion of plantation framework 15.In addition, their top with The upper side of plantation framework 15 couples.Specifically, formed plantation framework 15 front lower portion bearing part 22 on, via with The engaged member 59 of 22 bolt-connection of bearing part and the lower end for coupling each mud cover 58.In addition, each mud cover 58 Top, the 2nd connection parts 61 of the 1st connection parts 60 and left and right via left and right and with the upper side that forms plantation framework 15 The top of each pillar 23 and crossbeam 24 are connected, and the 1st connection parts 60 of left and right are fixed on left and right with the posture towards left and right 2nd connection parts 61 on the top of pillar 23, left and right are fixed in the left and right of crossbeam 24 with the posture that hangs down parallel with pillar 23 Entreat side.

That is, plantation framework 15, supports each mud cover 58 by bearing part 22 via the engaged member 59 controlled Lower end.In addition, passing through the pillar 23 of left and right via the 1st connection parts 60 controlled and the 2nd connection parts 61 of left and right And crossbeam 24 supports the top of each mud cover 58.

The engaged member 59 of left and right has engaged part 59A, under engaged part 59A makes in corresponding mud cover 58 Edge is possibly realized from the insertion of top connection.1st connection parts 60 of left and right, the outer end side of their body are welded in pillar 23, in their body end side have screw part 60A, screw part 60A make with band knob bolt 62 and with corresponding gear mud The top connection of cover 58 is possibly realized.2nd connection parts 61 of left and right, their upper end and crossbeam 24 weld, they Lower end has screw part 61A to be located at the state of height and position identical as the screw part 60A of each 1st connection parts 60, spiral shell Conjunction portion 61A to be coupled with knob bolt 62 with the top of corresponding mud cover 58.

That is, the mud cover 58 of left and right, after their lower edge insertion is connected in the engaged member 59 of left and right, they Top is used band knob bolt 62 and is coupled with corresponding connection parts 60,61, can be easily attached to seedling-planting apparatus 4 as a result, Plantation framework 15.In addition, carrying out the case where cleaning and carrying out maintenance to seedling-planting apparatus 4, solution to each mud cover 58 Except passing through the insertion released with the engaged member 59 of left and right with knob bolt 62 and after the coupling of each connection parts 60,61 Connection, so as to simply be removed from the plantation framework 15 of seedling-planting apparatus 4.

As shown in Fig. 2, Fig. 3, Fig. 5~Fig. 7, Figure 12 and Figure 13, the mud cover 58 of left and right includes the leading edge with each pillar 23 23A compares plate cover portion 58A positioned at rear side and opposite with the back side of seedling carrying base 17；And from plate cover portion 58A to front side Bloat and cover from front side the bulging cover portion 58B of the lengthwise of corresponding pillar 23.Also, in the lower edge of plate cover portion 58A, tool Have the insertion connection position of the engaged part 59A relative to engaged member 59 has and the 1st on the top of plate cover portion 58A The bolt-connection position of connection parts 60 and the 2nd connection parts 61.

That is, the wide cut for the pillar 23 for being formed as each mud cover 58 also to cover left and right ends side, and planted being installed on seed In the state of device 4, plate cover portion 58A is located at rear side compared with the leading edge 23A of each pillar 23, as a result, traveling car body side and plate Space between shape cover portion 58A is configured roomy.Also, since the plate cover portion 58A has the connection relative to seedling-planting apparatus 4 Socket part position, thus, for example with each mud cover 58 is configured to their entirety compared with the leading edge 23A of each pillar 23 positioned at front side Situation is compared, and assembly and disassembly of each mud cover 58 relative to seedling-planting apparatus 4 can be easy to carry out.

As shown in FIG. 1 to FIG. 3 and Fig. 5~Fig. 7, in the mud face for making seedling-planting apparatus 4 be located at each site preparation floating body 16 and field In the state of the operation height of ground connection, the mud cover 58 of left and right is configured to, in the rotation of the upper end of each mud cover 58 and each rear-wheel 9 The heart is compared and is located above, and is located below compared with the back step of traveling car body 1 14.Also, it will be relative to seedling-planting apparatus 4 Mounting position be set to the forward lean opposite with the upper half rear portion of each rear-wheel 9.In addition, their upper end 58C is made to lean forward It obtains bigger than lower side.

The development length of the mud cover 58 of left and right upwards can be shortened as a result, and the elongation to rear wheel-side can be increased.Its As a result, can get the miniaturization of each mud cover 58, and each mud cover 58 can block each rear-wheel 9 to seedling-planting apparatus well 4 soil splash can effectively inhibit the back side that soil is attached to seedling-planting apparatus 4.

However, in saddle type rice transplanter, the case where carrying out maintenance to seedling-planting apparatus 4 or by riding type rice transplanting Machine is stored in situation about waiting between storage, swings sometimes through the decline of link mechanism 3, and is rocked to the decline of seedling-planting apparatus 4 Each site preparation floating body 16 is with flat-hand position in the lower position of the ground connection height and position ground connection of each rear-wheel 9.Also, so make seed The case where decline of planting apparatus 4 is rocked to lower position, the rear-wheel 9 of the closest left and right of the upper side of seedling-planting apparatus 4, therefore, seedling The upper side of planting unit 4 is possible to contact with the rear-wheel 9 of left and right.

Therefore, in saddle type rice transplanter, in the seedling-planting apparatus 4 for making the decline of seedling-planting apparatus 4 be rocked to lower position Lower limit decline state under, immediate seedling-planting apparatus 4 upper side and left and right rear-wheel 9 between, avoided by ensuring The small gap of their exposure levels thus prevents leaving apart from unnecessary change because of traveling car body 1 and seedling-planting apparatus 4 The enlargement of big caused saddle type rice transplanter and the seedling carrying base 17 that rice shoot is fed to seedling-planting apparatus 4 from traveling car body 1 When workability decline etc., and avoid the upper side of seedling-planting apparatus 4 and the anxiety that contacts of rear-wheel 9 that controls.

But in this saddle type rice transplanter, when merely left and right rear-wheel 9 and seedling-planting apparatus 4 between have When mud cover 58 above-mentioned, in order to allow to equip mud cover 58, it is necessary to increase the upper side of seedling-planting apparatus 4 and the rear-wheel of left and right The gap that the contact ensured between 9 avoids.Therefore, it is possible to which lead to traveling car body 1 and seedling-planting apparatus 4 leaves distance Become larger, thus caused by saddle type rice transplanter enlargement and rice shoot is fed to the workability of seedling carrying base 17 from traveling car body 1 Decline etc..

In consideration of it, constituting the left and right for being installed on seedling-planting apparatus 4 as follows in the saddle type rice transplanter Mud cover 58.

As shown in Fig. 3, Fig. 5~Fig. 7 and Figure 13, the mud cover 58 of left and right is existing with the opposite site of corresponding rear-wheel 9 Bulging cover portion 58B has in the case where making seedling-planting apparatus 4 drop to rear-wheel 9 of the upper side of seedling-planting apparatus 4 closest to left and right The notch section 58D of the rear-wheel contacted with the rear-wheel 9 of left and right is avoided under the lower limit decline state of extreme position.Specifically, in seedling Under the lower limit decline state of planting unit 4, the dead astern of each rear-wheel 9 is located at due to the upper side as seedling-planting apparatus 4 The rear-wheel 9 of the closest left and right in the top of each pillar 23, therefore, by cutting immediate rear-wheel in the mud cover 58 for being located at left and right The upper part of bulging cover portion 58B between 9 and the top of pillar 23, to form the notch section 58D of rear-wheel.

As a result, as left and right mud cover 58 do not have rear-wheel notch section 58D the case where, in order to allow equipment keep off mud Cover 58, even if not increasing the upper of under the lower limit decline state of seedling-planting apparatus 4 rear-wheel 9 with each pillar 23 of immediate left and right The gap ensured between portion also can avoid the gear of the rear-wheel 9 of left and right and left and right under the lower limit decline state of seedling-planting apparatus 4 The anxiety of 58 contact of mud cover.

As a result, be a kind of structure of mud cover 58 between traveling car body 1 and seedling-planting apparatus 4 with left and right, and And therefore without increasing leave distance of the traveling car body 1 with seedling-planting apparatus 4, therefore can avoid because increasing traveling car body 1 and seedling The enlargement of planting unit 4 left apart from caused saddle type rice transplanter and the supply seedling from traveling car body 1 to seedling carrying base 17 Workability decline etc..

Also, the lower limit decline state of seedling-planting apparatus 4 is as described above, is to carry out maintenance guarantor to seedling-planting apparatus 4 Saddle type rice transplanter is stored in the state that equal situation between storage is implemented by feeding situation, is the state for not making body traveling, Therefore, even if each rear-wheel 9 is caught in the notch section 58D of each mud cover 58, soil is being prevented to be attached to 4 back side side of seedling-planting apparatus Face will not bring obstruction.

As shown in Fig. 3 and Fig. 5~Fig. 7, the mud cover 58 in left side, the one end side portion in the body in its lower end has Allow the 1st notch section 58E of the operating parts of equipment lateral feed adjusting rod 40, lateral feed adjusting rod 40 is from seed The example for the operating parts A that planting apparatus 4 extends to traveling car body 1.In addition, the mud cover 58 of left and right, the machine in its lower end External one end side portion has the 2nd notch section 58F of the pillar for allowing connection of each pillar 23 relative to bearing part 22.

In the mud cover 58 in left side, the 1st notch section 58E of operating parts is formed as allowing lateral feed adjusting rod 40 Swinging operation in the lateral direction, and there is such transverse width: make the bar supported to lateral feed adjusting rod 40 Whole opened to the front of seedling-planting apparatus 4 of bearing part 41 and make can be from the front of seedling-planting apparatus 4 to by bar supporting part The bolt 63 that part 41 couples with bearing part 22 is operated.

In the mud cover 58 of left and right, the 2nd notch section 58F of pillar is formed to have such transverse width: so that It is welded on whole open to the front of seedling-planting apparatus 4 of connection parts 26 of the lower part of 23 lower part of pillar and makes by lower part When connection parts 26 and 22 bolt-connection of bearing part, join operation can be carried out from the front of seedling-planting apparatus 4.

The connection parts 26 of the lower part of left and right on their top there is connection part 26A, connection part 26A to make from seedling The front of planting unit 4 carries out floating-body cover 65 and is possibly realized with the coupling for bolt 64 towards front and back, and floating-body cover 65 blocks left and right The soil that splashes of the site preparation floating body 16 to the left and right of rear-wheel 9.

That is, the mud cover 58 of left and right makes it possible following operation: each pillar carried out from the front of seedling-planting apparatus 4 23 and assembly and disassembly operation and floating-body cover 65 connection part relative to each lower part of the bar bearing part 41 relative to bearing part 22 The assembly and disassembly operation of part 26, in addition, the mud cover 58 in left side makes it possible following operation: from the front of seedling-planting apparatus 4 into Assembly and disassembly operation and lateral feed adjusting rod 40 of the capable bar bearing part 41 relative to bearing part 22 are relative to bar supporting part The assembly and disassembly operation of part 41, and the swinging operation of the lateral feed adjusting rod 40 from the progress of traveling car body side, and the gear in left side It is roomy and hold the big shape of mud area that mud cover 58 is formed as transverse width.

As a result, there can be the mud cover 58 for holding the big left and right of mud area, more effectively soil can be inhibited to be attached to seed The back side of planting apparatus 4, assembly and disassembly and lateral feed adjusting rod without damaging each pillar 23 and bar bearing part 41 etc. 40 operability.

As shown in figures 2 and 5, the labeling section 51 of left and right switches to the case where erecting posture at them, makes their swing Wall portion 51A becomes state outstanding rearwardly and upwardly with the middle part of their swing wall portion 51A, and buckling is at V shape.Exist as a result, The rear-wheel (not shown) of auxiliary is installed in the state of the lateral outer side of the rear-wheel 9 of left and right, is switched by left and right labeling section 51 The case where at erecting posture and the decline of seedling-planting apparatus 4 being made to swing to lower position, the labeling section 51 of left and right becomes relative to a left side State from the rear-wheel of right auxiliary to rear side detour without being contacted with the rear-wheel of the auxiliary of left and right.

[the 2nd embodiment]

In the following, the example as the mode for implementing the present invention, and illustrated to answer the present invention according to Figure of description For one example of saddle type rice transplanter i.e. the 2nd embodiment of the saddle type rice transplanter of eight row plantations.

In addition, the saddle type rice transplanter of the eight row plantations illustrated in this 2nd embodiment, one of seedling-planting apparatus Point and the structure of seedling-planting apparatus side of mud cover etc. be different from the seatings of the six row plantations illustrated in the first embodiment described above Therefore formula rice transplanter only illustrates the structure of seedling-planting apparatus side below.In addition, the eight row kinds illustrated in this 2nd embodiment In the seedling-planting apparatus of plant, for identical with the seedling-planting apparatus of the six row plantations illustrated in the first embodiment described above Structure borrows attached drawing (attached drawings of six row plantations) used in the first embodiment described above to be illustrated.

As shown in Fig. 1, Figure 14 and Figure 15, with structure identical with the saddle type rice transplanter of six row plantations, liftable is put The seedling-planting apparatus 4 in the eight row plantations at 1 rear portion of traveling car body is moved and rotatably equips, in the planting frame for forming its skeleton On frame 15, comprising: with the traveling of traveling car body 1, sliding walks about to plant seed in the field of predetermined position etc. on field Five site preparation floating bodies 16 of mud face progress site preparation；Be formed as can eight row of placing cushion rice shoot seedling carrying base 17；With certain stroke The transverse feed mechanism 18 for moving back and forth seedling carrying base 17 in the lateral direction；Whenever seedling carrying base 17 reach left and right stroke end just with Each cushion rice shoot on seedling carrying base is given the longitudinal feed mechanism 19 of length feed by regulation spacing to the lower end of seedling carrying base 17；From It cuts the rice shoot of every specified amount and is planted the field after site preparation in the lower end of each cushion rice shoot of the placing on seedling carrying base 17 Eight helicoid growing bodies 20 in soil；And the power from traveling car body 1 is assigned to each mechanism 18 by interior keep The power distributor box 21 etc. of~20 power splitting mechanism (not shown) etc., seedling-planting apparatus 4 carries out being up to eight rows as a result, The plantation of rice shoot.

As shown in Figure 14~Figure 16, plantation framework 15 includes the side of the left and right length for the front lower portion for being provided in seedling-planting apparatus 4 The bearing part 22 of tubulose；The left and right ends side that bearing part 22 is set and three on the right side of the center of left and right are erect with forward lean Root pillar 23；It is erected at the crossbeam 24 on these 23 tops of pillar；And it separates certain intervals in left and right directions and is arranged ground Four transmission cases 25 etc. rearward extended from bearing part 22.Also, in the left and right middle part of bearing part 22, have via Towards front and back fulcrum (not shown) and the power distributor box 21 that couples with link mechanism 3, bearing part 22 is played to each as a result, The function for the master unit that pillar 23 and each transmission case 25 etc. are supported.In addition, the left and right of the rear end in each transmission case 25 Two sides are equipped with growing body 20.

In the lower part of each pillar 23, it is welded with the connection made it possible with the lower part of the bolt-connection of bearing part 22 Relay part 26.In addition, being welded with and making it possible and the top of the bolt-connection of crossbeam 24 on the top of each pillar 23 Connection parts 27.Also, it is equipped with by separating the left and right compartment of terrain for being suitable for supporting the seedling carrying base 17 of eight rows, thus It is provided in the position deviateed in the lateral direction from the dead astern of the rear-wheel 9 of left and right.

As shown in Figure 14 and Figure 15, each site preparation floating body 16, their rear portion side via the fulcrum 30 towards left and right and with from The freedom for the corresponding supporting arm 29 in five groups of supporting arms 29 being extended towards the floating body fulcrum shaft 28 of left and right to the back lower place End (rear end) is connected into, and can be swung up and down with the fulcrum 30 for fulcrum.On floating body fulcrum shaft 28, with from floating body branch It puts the state that 28 forward upward of axis extends and is equipped with planting depth adjusting rod 31, planting depth adjusting rod 31 is via floating body fulcrum Axis 28 and swung with 29 one of each supporting arm.Planting depth adjusting rod 31 with the bar for standing up bearing part 22 by being oriented to The engaging of part 32, and it is positively retained at arbitrary operating position.

From the structure, by the way that planting depth adjusting rod 31 is vertically given swinging operation, so as to by each site preparation Floating body 16 is integrally changed relative to the height and position of each growing body 20, and each growing body 20 is thus adjusted and plants rice shoot To the planting depth in field.Also, by the way that planting depth adjusting rod 31 to be oriented in any operating position and bar after the adjusting Part 32 engages, so as to which the planting depth setting that rice shoot is planted to field is kept into the engaging at this time by each growing body 20 The corresponding planting depth in position.

As shown in Figure 14 and Figure 15, seedling carrying base 17, to be driven from the rear lower of seedling-planting apparatus 4 to taking for traveling car body 1 Sail rising posture towards front and being set to seedling-planting apparatus 4 for the extension of portion 10.Also, in the lower end at the back side of seedling carrying base 17, With the horizontally long downside slide unit 33 across the left and right ends portion of seedling carrying base 17.In addition, in the upper of the back side of seedling carrying base 17 Portion side has the horizontally long upside slide unit 34 across the left and right ends portion of seedling carrying base 17.Downside slide unit 33 can be to the left Right direction slidably placing in towards right and left sliding rail 35.Sliding rail 35 is pacified via seedling withdrawal amount regulating mechanism 36 Mounted in the front and back middle part of each transmission case 25.Shape when upside slide unit 34 is seen with side is the chimeric of downward U-shaped Orbit portion.Also, the state of the chimeric orbit portion to separate specified interval arrangement in the lateral direction, and from top with can be to the left and right The state of the opposite sliding in direction is fitted on six deflector rolls 37 of crossbeam 24.

That is, bearing the lower side of bearing seedling carrying base 17 from below by sliding rail 35, and pass through crossbeam 24 and four Deflector roll 37 etc. and by left and right pillar 23 from below bear bearing seedling carrying base 17 upper side, as a result, in seedling-planting apparatus 4 On can in the lateral direction slidably equipped with towards front rise posture seedling carrying base 17.

As shown in figure 14, seedling withdrawal amount regulating mechanism 36 and seedling withdrawal amount adjusting rod 38 link, seedling withdrawal amount adjusting rod 38 The adjacent right for being provided in planting depth adjusting rod 31 can be swung up and down.Also, by this connection, it is configured to take out with seedling Amount adjusting rod 38 changes height and position of the sliding rail 35 relative to each transmission case 25 with swinging up and down operations linkage.Seedling takes out Measure adjusting rod 38 by with the engaging of bar guide part 32 above-mentioned, and be positively retained at arbitrary operating position.

From the structure, by the way that seedling withdrawal amount adjusting rod 38 is vertically given swinging operation, seedling is carried to change Thus height and position of the platform 17 relative to each growing body 20 for being set to each transmission case 25 is adjusted what each growing body 20 carried out The seedling withdrawal amount taken out from each cushion rice shoot of the placing on seedling carrying base 17.Also, by by seedling withdrawal amount tune after the adjusting Pole 38 engages in any operating position with bar guide part 32, so as to by each growing body 20 carry out from each cushion rice shoot institute The seedling withdrawal amount setting of taking-up is kept into seedling withdrawal amount corresponding with clamped position at this time.

As shown in Figure 14 and Figure 15, transverse feed mechanism 18, which includes, changes the traverse feed speed of seedling carrying base 17 Gear type traverse feed speed changing portion (not shown)；And slide in the lateral direction to traverse feed speed changing portion into The variable speed operation axis 39 of row speed change；And the retainer that the engaging of variable speed operation axis 39 is maintained at arbitrary operating position (is not schemed Show) etc..Traverse feed speed changing portion and retainer are built in power distributor box 21.Variable speed operation axis 39 from power distributor box 21 to the left Fang Yanshen.Also, the transverse direction that variable speed operation axis 39 can be operated from traveling car body side is linked in the left part of variable speed operation axis 39 Amount of feeding adjusting rod 40.Lateral feed adjusting rod 40, to extend from seedling-planting apparatus 4 to traveling car body 1 towards front and back Posture and the bar bearing part 41 with 22 bolt-connection of bearing part above-mentioned can be equipped on swinging.Also, laterally into The left part of rear end and variable speed operation axis 39 to amount adjusting rod 40 links.

From the structure, by the way that lateral feed adjusting rod 40 is given swinging operation in the lateral direction, so as to load seedling Platform 17 has changed with having carried out the stage relative to the traverse feed speed that the seed of each growing body 20 plants speed, as a result, can be to each The seedling taking number of the transverse width of each cushion rice shoot of the growing body 20 relative to placing on seedling carrying base 17 changes.

As shown in Figure 14 and Figure 15, seedling-planting apparatus 4 includes as site preparation floating body 16 and is provided in two for controlling center The T-shaped central floating body 16A of site preparation；It is provided in the U of a site preparation of central floating body 16A or so at intervals The side floating body 16B of font；And it is provided in two of body lateral outer side of these sides floating body 16B at intervals The T-shaped side floating body 16C of site preparation.

Though illustration omitted, the operating stick of traveling car body 1 taken Drive Section 10 and there is operation.The operating stick is constituted For, can position switching be maintained at lifting position, middle position, down position and planting location.Also, via hand-operated lifting Mechanical link mechanism and control valve connection with the lifting controlled relative to the flowing of lift cylinders 2 machine oil.In addition, Via clutch operating mechanical link mechanism and with kind that connection is turned off to the transmission for driving to seedling-planting apparatus 4 Plant clutch connection.In addition, via intermediate reset mechanical link mechanism and with link mechanism 3 link.The control of lifting Valve processed, via automatic lifting mechanical link mechanism 42 (referring to Fig.1 4) and with play to institutes such as the fluctuatings for ploughing disk because of field The central floating body 16A for the inducing floating body function that the soil change in depth in caused field is perceived links.

From the structure, when by operating stick operation to lifting position, mechanical connection that control valve passes through hand-operated lifting The effect of mechanism and be switched to the supply state by engine oil supplying to lift cylinders 2.Lift cylinders 2 carry out contractive action as a result, thus Seedling-planting apparatus 4 carries out rising swing with link mechanism 3 together.

It is swung when by the rising, when seedling-planting apparatus 4 reaches upper limit position with link mechanism 3 together, operating stick passes through The effect of the mechanical link mechanism of intermediate reset and swing to middle position from lifting position reset, and control valve passes through hand The effect of the mechanical link mechanism of dynamic lifting and be switched to stop relative to lift cylinders 2 machine oil discharge stopping shape State.2 stopping of lift cylinders acts as a result, and seedling-planting apparatus 4 is automatically stopped together with link mechanism 3 in upper limit position.

When operating operating stick from middle position to down position, mechanical connection that control valve passes through hand-operated lifting The effect of mechanism and be switched to the discharge state that machine oil is discharged from lift cylinders 2.Lift cylinders 2 carry out elongation movement as a result, thus Seedling-planting apparatus 4 carries out decline swing with link mechanism 3 together.

It is swung when by the decline, when central floating body 16A is grounded, passes through the mechanical connection machine prior to hand-operated lifting The effect of the mechanical link mechanism 42 of the automatic lifting of structure, control valve are automatic according to the ground connection posture of central floating body 16A Switch to discharge state, halted state and supply state.

Specifically, become as central floating body 16A compared to benchmark posture towards when the decline of front, control valve is with regard to automatic Discharge state is switched to, lift cylinders 2 carry out elongation movement as a result, so that seedling-planting apparatus 4 carries out down together with link mechanism 3 Drop is swung.

On the contrary, control valve is with regard to certainly when central floating body 16A becomes the state risen towards front compared to benchmark posture Dynamic to switch to supply state, lift cylinders 2 carry out contractive action as a result, so that seedling-planting apparatus 4 carries out together with link mechanism 3 Rise and swings.

Then, when central floating body 16A reaches benchmark posture, control valve just automatically switches into halted state, goes up and down as a result, 2 stopping of cylinder movement, so that seedling-planting apparatus 4 stops lifting and swinging with link mechanism 3 together.

Then, when operating operating stick from down position at lifting position, as described above, seedling-planting apparatus 4 and company Linkage 3 carries out rising swing together, when seedling-planting apparatus 4 reaches upper limit position together with link mechanism 3, operating stick just from Lifting position reset swings to middle position, and seedling-planting apparatus 4 is automatically stopped together with link mechanism 3 in upper limit position.

As shown in Fig. 8~Figure 10 and Figure 14, the mechanical link mechanism 42 of automatic lifting includes connection wire 43； The free end (front end) of the site preparation floating body 16 of the one end and left and right center of the outer wire 43A in wire 43 will be linked The longitudinal connecting member 44 linked；And the one end of the inner wire 43B linked in wire 43 is fixed on phase For the fixed mechanism portion 45 of specified position etc. of seedling-planting apparatus 4.

Connecting member 44 is made of the band plate steel for being bent to downward U-shaped when front-rear direction is seen.Also, The left and right sides portion of connecting member 44 has longitudinal long hole 44A.

Fixed mechanism portion 45 includes fixation member 46, which is fixed on the fixed part i.e. branch of seedling-planting apparatus 4 Bearing portion part 22；Towards the cantilevered swing component 48 of front and back, the cantilevered swing component 48 towards front and back is relative to fixation member 46 And it is swung up and down with the fulcrum 47 towards left and right for fulcrum；Towards the coupling spindle 49 of left and right, the coupling spindle of direction left and right 49 are inserted through the long hole 44A of connecting member 44 and join the front end of the one end of inner wire 43B and cantilevered swing component 48 It connects；And connecting rod 50 etc., the connecting rod 50 link the rear end of cantilevered swing component 48 and planting depth adjusting rod 31.And And no matter it is configured to as planting depth of the planting depth adjusting rod 31 to rice shoot adjusts the base of generated each site preparation floating body 16 How quasi- height changes, one end outstanding overhang of the inner wire 43B from the outer wire 43A coupled with connecting member 44 It is all certain.

The mechanical link mechanism 42 of automatic lifting takes the sensitivity adjusting rod (not shown) of Drive Section 10 by being set to Swinging operation, and change inner wire 43B from outer wire 43A couple with connecting member 44 one end it is outstanding dash forward Output.Also, by changing the overhang, and the benchmark posture of the site preparation floating body 16 in left and right center is changed, change left and right The perception sensitivity of the site preparation floating body 16 in center.Inner wire 43B is lengthened from the outer wire 43A coupled with connecting member 44 One end overhang outstanding and by benchmark posture changing to the direction declined towards front, then the site preparation floating body in left and right center 16 perception sensitivity is more sensitive.On the contrary, shortening inner wire 43B from the outer wire 43A's coupled with connecting member 44 One end overhang outstanding and by benchmark posture changing to the direction risen towards front, then it is more blunt to perceive sensitivity.

As shown in Fig. 8~Figure 10, connecting rod 50 is formed as its both ends 50A, 50B and extends from middle part 50C towards left The lateral J shape of direction.Also, the one end 50A insert of connecting rod 50 is fastened on the rear end of cantilevered swing component 48, separately Outside, the other end 50B insert of connecting rod 50 is fastened on the base end side of planting depth adjusting rod 31, as a result, by cantilevered swing portion The rear end of part 48 and planting depth adjusting rod 31 link.

That is, horizontal by the way that connecting rod 50 is formed as the direction that its both ends 50A, 50B extends from middle part 50C towards left To J shape, thus by connecting rod 50 by the cardinal extremity of the rear end of cantilevered swing component 48 and planting depth adjusting rod 31 The case where side links, pass through the right direction cantilevered swing component 48 and planting depth tune by connecting rod 50 from seedling-planting apparatus 4 Pole 31 is inserted into, and is inserted so as to carry out the one end 50A of connecting rod 50 at one stroke relative to the rear end of cantilevered swing component 48 The other end 50B of logical engaging and connecting rod 50 engages relative to the insert of planting depth adjusting rod 31.

As a result, connecting rod 50 easily can be carried out to cantilevered swing component 48 and kind from the right side side of seedling-planting apparatus 4 The connection for planting depth adjustment bar 31, can be improved the assembling of the connecting rod 50 in the mechanical link mechanism 42 of automatic lifting.

As shown in figure 14, in the left and right sides portion of seedling-planting apparatus 4, have and form the traveling reference index of next stroke Labeling section 51 in field mud face.The labeling section 51 of left and right is corresponding with the left and right in the bearing part 22 of seedling-planting apparatus 4 End is connected to rise and fall and swing into the two postures: the standing posture of the storage erected along seedling-planting apparatus, and from seed The lodging posture for the formation index that planting apparatus 4 is stretched out to lateral foreign side.

As shown in Figure 11 and Figure 14~Figure 16, seedling-planting apparatus 4 has the latch for printed circuit 52 of left and right, the latch for printed circuit of left and right 52 pairs of free end sides for switching to the labeling section 51 of left and right for erecting posture carry out locking holding.Each latch for printed circuit 52 is by Curved Pole steel as following shape are constituted: one end has the hook portion 52A of labeling section locking, and the other end has phase For the mounting portion 52B of the J shape of the connection parts 27 on top above-mentioned.The connection parts 27 on each top include backstop Portion 27A, stopper section 27A carry out a left side to latch for printed circuit 52 and blocking the end face 52C of the mounting portion side in latch for printed circuit 52 The positioning of right direction；Holding section 27B, holding section 27B are and with the engaging of the mounting portion 52B of latch for printed circuit 52 to fastener Part 52 is positioned in the front-back direction；And clamping part 27C etc., by the way that the mounting portion 52B of latch for printed circuit 52 is clamped in the folder It holds portion 27C and up and down direction is carried out to latch for printed circuit 52 and is determined as between the bolt of the fastener 53 of latch for printed circuit installation Position.

With this configuration, when storage when on the way advancing or when the transport of progress such as truck or being stored between storage etc. Deng making the free end side of each labeling section 51 be locked on the hook portion 52A of corresponding latch for printed circuit 52 by manual operation, thus can prevent Each labeling section 51 for erecting posture is only switched to because of the horizontal swing etc. caused by vibration of body etc..This prevents because cutting Change into erect caused by horizontal swing of each labeling section 51 etc. of posture with the contact of other things.In addition, can be by left and right Latch for printed circuit 52, as a result, can will be with each latch for printed circuit without the specified position for being properly mounted at seedling-planting apparatus 4 in positional deviation The labeling section 51 of the left and right of 52 hook portion 52A locking engages the appropriate position for being maintained at seedling-planting apparatus 4.

As shown in Figure 14~Figure 15, link mechanism 3 in its back-end top equipped with by motor drive mechanism at electric rotating motivation 54.Electric rotating motivation 54 is configured to, and opposite retreat operation is carried out by the connection wire 55 to left and right, thus via erection The rotation process of seedling-planting apparatus 4 is carried out in the buffer spring 56 of each connection wire 55 and crossbeam 24.Also, according to seedling The output for the angle initialization device (not shown) that the rotation angle of planting unit 4 is set and rotation angle to seedling-planting apparatus 4 The output of rotation sensor (not shown) detected is spent, and makes setting for the detection angles of rotation sensor and angle initialization device Carry out seedling-planting apparatus 4 with determining angle consistent (detection angles of rotation sensor are contained in the insensitive width of set angle) Rotation process, from regardless of field plough disk fluctuating etc. how, all the rotation angle of seedling-planting apparatus 4 can be remained angled The set angle of setting apparatus.

Seedling-planting apparatus 4 has the left and right ends portion of the upper rear end and upside slide unit 34 that hang on link mechanism 3 Left and right balancing spring 57.The variation because of left-right balance caused by the sliding in the lateral direction of seedling carrying base 17 is prevented as a result, And seedling-planting apparatus 4 is made to carry out unnecessary rotation relative to traveling car body 1.

As shown in Figure 14~Figure 18, which has the mud cover 58 of left and right, which has from seedling And the soil that splashes to seedling-planting apparatus 4 of rear-wheel 9 of left and right is blocked to the lower-upper length of upper side in the lower part of planting unit 4.

As shown in Figure 15~Figure 17, the mud cover 58 of left and right, their lower end couples with the front lower portion of plantation framework 15. In addition, their top couples with the upper side of plantation framework 15.Specifically, in the branch for the front lower portion for forming plantation framework 15 On bearing portion part 22, via the lower end for coupling each mud cover 58 with the engaged member 59 of 22 bolt-connection of bearing part. In addition, the top of the mud cover 58 in left side, the 1st connection parts 60 and the 2nd connection parts 61 via left side and planted with being formed The top of the pillar 23 of the left end side of the upper side of frame 15 and crossbeam 24 couple, and the 1st connection parts 60 in left side are left with direction Right posture is fixed on the top of the pillar 23 of left end side, and the 2nd connection parts 61 are fixed with the posture that hangs down parallel with pillar 23 In the left and right center left side of crossbeam 24.In addition, the top of the mud cover 58 on right side, via two the 1st connection parts 60 and shape Top at the pillar 23 on the top and left and right center right side of the pillar 23 of the right end side of the upper side of plantation framework 15 couples, Two the 1st connection parts 60 are fixed on the top of these pillars 23 with the posture towards left and right.

That is, plantation framework 15 supports each mud cover 58 by bearing part 22 via the engaged member 59 controlled Lower end.Also, the 1st connection parts 60 and the 2nd connection parts 61 via left side and a left side is supported by the pillar 23 of left and right The top of the mud cover 58 of side.In addition, via right side two the 1st connection parts 60 and propped up by two pillars 23 on right side Hold the top of the mud cover 58 on right side.

The engaged member 59 of left and right has engaged part 59A, under engaged part 59A makes in corresponding mud cover 58 Edge is possibly realized from the insertion of top connection.Each 1st connection parts 60, their left and right one end are welded in pillar 23, Their left and right another side, which has, to be coupled with knob bolt 62 with the top of corresponding mud cover 58 Screw part 60A.2nd connection parts 61, end is welded in crossbeam 24, lower end, with the spiral shell with each 1st connection parts 60 thereon Conjunction portion 60A is located at the state of identical height and position and has screw part 61A, screw part 61A make with band knob bolt 62 and with The top connection of the mud cover 58 in left side is possibly realized.

That is, the mud cover 58 of left and right, after their lower edge insertion is connected in the engaged member 59 of left and right, they Top is used band knob bolt 62 and is coupled with corresponding connection parts 60,61, can simply pacify the mud cover 58 of left and right as a result, Plantation framework 15 loaded on seedling-planting apparatus 4.In addition, clean or tie up seedling-planting apparatus 4 to each mud cover 58 The case where shield maintenance, after releasing coupling with knob bolt 62 and each connection parts 60,61, by release with or so by card The insertion connection of component 59 is closed, so as to simply remove from the plantation framework 15 of seedling-planting apparatus 4.

As shown in Figure 14~Figure 16 and Figure 18, the mud cover 58 of left and right is included to be located at compared with the leading edge 23A of each pillar 23 Rear side and the plate cover portion 58A opposite with the back side of seedling carrying base 17；And from plate cover portion 58A to front side bloat and from front side Cover the bulging cover portion 58B of the lengthwise of corresponding pillar 23.

From the structure, in the state that each mud cover 58 is installed on seedling-planting apparatus 4, the big portion of each mud cover 58 is occupied The plate cover portion 58A divided is located at rear side compared with the leading edge 23A of each pillar 23.Also, it as described above, plants and uses in eight row Seedling-planting apparatus 4 in, since each pillar 23 to be provided in the position deviateed in the lateral direction of dead astern from the rear-wheel 9 of left and right It sets, therefore, each bulging cover portion 58B for covering each pillar 23 also deviates from the dead astern of the rear-wheel 9 of left and right in the lateral direction, thus It is just opposite with the rear-wheel 9 of left and right positioned at the plate cover portion 58A of rear side compared with the leading edge 23A of each pillar 23.

As a result, between the rear-wheel 9 of left and right and the mud cover 58 of left and right, it is ensured that such gap makes seedling-planting apparatus 4 It drops under the upper side of seedling-planting apparatus 4 and the lower limit decline state of the immediate lower position of left and right rear-wheel 9, which keeps away Exempt to be possible to the rear-wheel 9 of the left and right generated and the contact of the mud cover 58 of left and right, and with for example the mud cover 58 controlled is constituted The case where being located at front side compared with the leading edge 23A of each pillar 23 for their entirety is compared, can be by seedling-planting apparatus 4 and left and right Mud cover 58 is equipped to the state close to traveling car body side together.

As a result, due to being a kind of knot that the mud cover 58 by left and right is located between traveling car body 1 and seedling-planting apparatus 4 Structure, and need not therefore and increase traveling car body 1 and seedling-planting apparatus 4 leave distance, therefore, can avoid because increasing traveling car body 1 mends with the enlargement of seedling-planting apparatus 4 left apart from caused saddle type rice transplanter and from traveling car body 1 to seedling carrying base 17 To the decline etc. of the workability of seedling.

In addition, seedling-planting apparatus 4 lower limit decline state, be to seedling-planting apparatus 4 carry out maintenance the case where or The state that the case where saddle type rice transplanter is deposited between storage is implemented, and the state is set to, each site preparation floating body 16 exists The ground connection height and position of each rear-wheel 9 is grounded with flat-hand position.

As shown in Figure 15~Figure 18, the mud cover 58 of left and right has in the lower edge of plate cover portion 58A relative to by card The insertion for closing the engaged part 59A of component 59 couples position, on the top of plate cover portion 58A, have with the 1st connection parts 60 or With the bolt-connection position of the 2nd connection parts 61.

That is, in the mud cover 58 of left and right, due in the case where being installed on seedling-planting apparatus 4, before each pillar 23 Edge 23A, which is compared, to be located on the plate cover portion 58A that rear side and the space between traveling car body become roomy, is had relative to seed The connection position of planting apparatus 4, therefore, with each mud cover 58 is configured to their whole positions compared with the leading edge 23A of each pillar 23 It is compared in the case where front side, assembly and disassembly of each mud cover 58 relative to seedling-planting apparatus 4 can be easy to carry out.

As shown in Fig. 1 and Figure 14~Figure 16, in the mud face ground connection for making seedling-planting apparatus 4 be located at each site preparation floating body 16 with field Operation height in the state of, left and right mud cover 58 be configured to, the rotation center phase of the upper end of each mud guard 58 and each rear-wheel 9 It is located below than being located above, and compared with the back step of traveling car body 11.Also, by the peace relative to seedling-planting apparatus 4 Dress posture is set to the forward lean opposite with the upper half rear portion of each rear-wheel 9.In addition, making the upper end of the mud cover 58 of left and right 58C leans forward bigger than lower side.

The length that the mud cover 58 of left and right extends to their top can be shortened as a result, and prolonging to rear wheel-side can be increased The amount of stretching.As a result, can get the miniaturization of each mud cover 58, and each mud cover 58 can block each rear-wheel 9 to seedling well The soil that planting unit 4 is splash can effectively inhibit the back side that soil is attached to seedling-planting apparatus 4.

As shown in Figure 15 and Figure 16, the mud cover 58 in left side, the one end side portion in the body in its lower end has and allows The 1st notch section 58E of the operating parts of lateral feed adjusting rod 40 is equipped, lateral feed adjusting rod 40 is to plant to fill from seed Set the example for the operating parts A that 4 extend to traveling car body 1.In addition, the body outer end in the lower end of the mud cover 58 of left and right Side section has and allows the pillar 23 of left end side relative to the 2nd notch section 58F of the pillar of the connection of bearing part 22.It is right The mud cover 58 of side, the left and right ends side section in its lower end have and allow connection of each pillar 23 relative to bearing part 22 2nd notch section 58F of the pillar connect.1st notch section 58E and the 2nd notch section 58F are formed as, from their mud cover 58 Horizontal side to lateral cut-in length be identical, in addition, being from the cut-in length of the lower end of their mud cover 58 upwards It is identical.

Mud cover 58 in left side, the 1st notch section 58E of operating parts be formed as allowing lateral feed adjusting rod 40 to The swinging operation of left and right directions, and it is formed to have such transverse width: so that propping up lateral feed adjusting rod 40 Whole opened to the front of seedling-planting apparatus 4 of the bar bearing part 41 held and make can be from the front of seedling-planting apparatus 4 to by bar The bolt 63 that bearing part 41 couples with bearing part 22 is operated.

Mud cover 58 in left and right, the 2nd notch section 58F of pillar are formed to have such transverse width: so that weldering It connects whole open to the front of seedling-planting apparatus 4 of the connection parts 26 in the lower part of the lower part of pillar 23 and makes by lower part The front of connection parts 26 and 22 bolt-connection Shi Kecong seedling-planting apparatus 4 of bearing part carries out join operation.

The connection parts 26 of the lower part of left and right ends side, the upper end at them are right with that can carry out longitudinal bolt 64 The connection part 26A of the connection of floating-body cover 65, the side floating body 16C that floating-body cover 65 blocks two end sides to the left and right of rear-wheel 9 of left and right splash The soil risen.

That is, the mud cover 58 of left and right can carry out following operation: each pillar 23 and bar carried out from the front of seedling-planting apparatus 4 Assembly and disassembly operation and floating-body cover 65 connection relative to the lower part of left and right ends side of the bearing part 41 relative to bearing part 22 The assembly and disassembly operation of relay part 26, in addition, the mud cover 58 in left side can also carry out following operation: from the front of seedling-planting apparatus 4 into Assembly and disassembly operation and lateral feed adjusting rod 40 of the capable bar bearing part 41 relative to bearing part 22 are relative to bar supporting part The assembly and disassembly operation of part 41；And the swinging operation of the amount of feeding adjusting rod 40 laterally carried out from traveling car body side, and left and right It is roomy and hold the big shape of mud area that mud cover 58 is formed as transverse width.

As a result, there can be the mud cover 58 for holding the big left and right of mud area, soil can be effectively suppressed and be attached to seed plant dress The back side for setting 4, assembly and disassembly and lateral feed adjusting rod 40 without damaging each pillar 23 and bar bearing part 41 etc. Operability.

As shown in Figure 15~Figure 17, it is inserted into the engaged member for coupling the left and right of lower edge of corresponding mud cover 58 59, play the mud for blocking and being splash from the rear-wheel 9 of left and right to the side floating body 16B of the left and right adjacent with the left and right of central floating body 16A The function of the floating-body cover of soil.It as a result, can be the floating-body cover of left and right by 59 dual-purpose of engaged member of left and right, can get and cut down part It simplifies the structure brought by number and the reduction of cost.

As shown in Figure 15 and Figure 16, seedling-planting apparatus 4 at left and right sides of it, have from the front end of support part 22 extend and Site preparation part 66 to the left and right for carrying out site preparation between adjacent side floating body 16B, 16C.The rear end of the site preparation part 66 of left and right has With the connection part 66A of the front end bolt-connection of support part 22.

There is the mud cover 58 controlled the bellying 58G towards front, bellying 58G to ensure in the mud cover 58 controlled Between lower end and the front end of bearing part 22, allow the connection part 66A of each site preparation part 66 from below relative to bearing part 22 Front end connection and connection release space.

The site preparation part 66 and bearing part of left and right can be covered from front by the bellying 58G of each mud cover 58 as a result, 22 connection position can prevent from being attached to coupling for each site preparation part 66 and bearing part 22 by the soil that splashes of rear-wheel 9 of left and right Position.It also, is a kind of site preparation part 66 and bearing part 22 that left and right is so covered by the bellying 58G of each mud cover 58 Couple the structure at position, and do not have to remove each mud cover 58 from bearing part 22, so that it may assemble and disassemble a left side relative to bearing part 22 Right site preparation part 66.As a result, the maintenance of replacement of each site preparation part 66 etc. can be easy to carry out.

As shown in figure 15, the mud cover 58 of left and right has bulging cover portion 58B in the left and right ends portion of plate cover portion 58A, separately Outside, there is notch section 58E, 58F of symmetrical shape in the left and right ends lower part of plate cover portion 58A, in addition, in plate cover portion The left and right middle lower portion of 58A has bellying 58G, thus constitutes the left and right dual-purpose part of symmetrical shape.As a result, with will be left Right mud cover 58 is configured to the case where asymmetrical left and right parts peculiar in left and right and compares, can be improved mud cover 58 assembling and Cut down cost.

[other embodiments]

[1] saddle type rice transplanter can also have the seedling-planting apparatus 4 of four row plantations, or the seedling with ten row plantations Planting unit 4 etc..In addition, can also have the by-effect device of fertilizer apparatus or medicament dissemination apparatus etc..

[2] traveling car body 1 can also have and be configured adjacently each other than the main wheel of left and right as the rear-wheel 9 of left and right The outside auxiliary wheel of the body lateral outer side of main wheel and be configured adjacently it is auxiliary in the inside of the body laterally inboard of each main wheel It either helps in wheel or both sides.

[3] seedling-planting apparatus 4 can also have the growing body of crank-type, replace helicoid growing body 20.

It [4], can also be according to traveling car body 1 as left and right set on the quantity and shape of the site preparation floating body 16 of seedling-planting apparatus 4 Quantity or the plantation line number of seedling-planting apparatus 4 of the wheel of rear-wheel 9 etc. make various changes.For example, each rear-wheel as left and right 9, there is the case where main wheel, these three wheels of inside and outside auxiliary wheel, carrying out site preparation as the wheel trajectories to them Site preparation floating body 16 can also have the floating body etc. for the three row site preparations for being formed as wide cut.

[5] mud cover 58 also may be configured as the pillar 23 that left and right ends are crossed on across link mechanism 3.

[6] mud cover 58 of six rows use etc. can also be configured to enantiomorphic form identical with the mud cover 58 of eight rows The left and right dual-purpose part of shape.In addition, the mud cover 58 of eight rows use etc. can also be configured to identical with the mud cover 58 of six rows The left and right parts peculiar of left and right asymmetrical shape.

[7] even if, in the opposite site with rear-wheel 9, can also have notch section (rear-wheel in the mud cover 58 of eight rows is equal Notch section) 58D, so that seedling-planting apparatus 4 is dropped to the upper side of seedling-planting apparatus 4 closest to the lower position of rear-wheel 9 Lower limit decline state under, notch section 58D to avoid and the contact of rear-wheel 9.

[8] shape for being formed in the notch section 58D of the rear-wheel of mud cover 58 can make various changes.For example, in gear mud The notch section 58D of rear-wheel, can also be formed as the opening of rectangle by the longer situation of development length of cover 58 upwards.

[9] mud cover 58 also may be configured as, made with inclination angle identical with lower side thereon end 58C lean forward.

[10] mud cover 58 can also be formed as to wide cut, and there is notch section (the 1st notch in the lower end of mud cover 58 Portion) 58E, notch section 58E allows to equip the plantation as one of operating parts A extended from seedling-planting apparatus 4 to traveling car body 1 Depth adjustment bar 31 or seedling withdrawal amount adjusting rod 38.

[11] as shown in figure 19, the connection parts 26 for being welded in the lower part of 23 lower part of pillar can also be configured to, thereon End has the connection part 26A that can be coupled by the bolt 64 towards longitudinal direction to floating-body cover 65, and floating-body cover 65 is blocked by rear The soil that the site preparation floating body 16 of 9 two end sides to the left and right of wheel is splash, the pillar that will be formed in 58 lower end of mud cover of six rows are used The 2nd notch section 58F be formed to have such size: can connection part from the front of seedling-planting apparatus 4, relative to lower part The upper end of part 26 carries out through the connection towards longitudinal bolt 64 floating-body cover 65.

[12] same as the seedling-planting apparatus 4 of eight row plantations even if in the seedling-planting apparatus 4 of six row plantations is equal Ground also may be configured as, and on the floating-body cover 59 for being set to bearing part 22, have the insertion that can carry out the lower edge in mud cover 58 The engaged part 59A of connection, and be engaged member 59 by 59 dual-purpose of floating-body cover.

[13] same as the seedling-planting apparatus 4 of six row plantations even if in the seedling-planting apparatus 4 of eight row plantations is equal Ground also may be configured as the engaged member of the insertion connection on bearing part 22 with the lower edge that can be carried out in mud cover 58 59。

[14] site preparation part 66 is also equipped in seedling-planting apparatus 4, with to central floating body 16 (16A) and with central floating body 16A Site preparation is carried out between the adjacent side floating body 16 (16B) in left and right.

[15] connection parts that the latch for printed circuit 52 kept positions are engaged to by the free end side of labeling section 51 27, it also may be configured as, engaged by the mounting portion 52B of its holding section 27B and latch for printed circuit 52, and latch for printed circuit 52 is carried out The positioning in lower direction, in addition, by the way that the mounting portion 52B of latch for printed circuit 52 to be clamped between its clamping part 27C and fastener 53, And latch for printed circuit 52 is positioned in the front-back direction.

[16] as shown in figure 20, the connecting rod 50 in the solid mechanical portion 45 in mechanical link mechanism 42 can also be formed For, the lateral U-shaped that both ends 50A, 50B extend to the left from middle part 50C, and the one end 50A of connecting rod 50 with Do not have outward inclined rake 50D upward between middle part 50C.

Practicability in industry

Present invention can apply to seedling-planting apparatus liftable is swingingly connected in the riding type at the rear portion of traveling car body to insert Seedling machine.

Claims

1. a kind of saddle type rice transplanter, which is characterized in that

Seedling-planting apparatus is included, which is swingingly connected in the rear portion of traveling car body；And mud cover, The mud cover is installed on the seedling-planting apparatus, has the lower-upper length from the lower part of the seedling-planting apparatus to upper side, with The soil that the rear-wheel of the traveling car body is splash to the seedling-planting apparatus is blocked,

The mud cover has notch section in the opposite site with the rear-wheel, described dropping to the seedling-planting apparatus Under the upper side of seedling-planting apparatus and the lower limit decline state of the immediate lower position of the rear-wheel, avoided by the notch section With the contact of the rear-wheel, and the upper end in the mud cover is leaned forward bigger compared with lower side,

The seedling-planting apparatus includes the multiple pillars for bearing the upper side of bearing seedling carrying base from below；And to the pillar The long bearing part in the left and right that lower end and the lower end of the mud cover are supported,

The bearing part has so that the insertion connection of lower edge in the mud cover becomes possible engaged member,

In the lower end of the mud cover, comprising: the 1st notch section, the 1st notch section are allowed from the seedling-planting apparatus to described The equipment for the operating parts that traveling car body extends；And the 2nd notch section, the 2nd notch section allow the pillar relative to the branch The connection of bearing portion part,

The top of the mud cover by be fixed on the top of the pillar the 1st connection parts and with the 1st connection parts spiral shell Conjunction band knob bolt, and be fixed on across the crossbeam on the top for being set up in multiple pillars the 2nd connection parts and with What the 2nd connection parts screwed togather couples with knob bolt with the pillar and the crossbeam,

The labeling section that traveling reference index is formed in field mud face can be risen and fallen and be swingingly provided in a left side for the seedling-planting apparatus The right side,

The latch for printed circuit for carrying out locking holding to the free end side for switching to the labeling section for erecting posture is installed on connection part Part, the connection parts give the pillar configured in the left and right of the side lateral out of the seedling-planting apparatus and the crossbeam Connection,

The latch for printed circuit is bent to following shape: one end has the hook portion of labeling section locking, also, the other end Mounting portion with the J shape relative to coupling part,

Coupling part includes stopper section, and the stopper section is and blocking the end face of the mounting portion side in the latch for printed circuit Positioning in left and right directions is carried out to the latch for printed circuit；Holding section, the holding section are right and with the engaging of the mounting portion The latch for printed circuit carries out the positioning in the direction orthogonal with left and right directions；And clamping part, the clamping part is by by the peace Dress portion be clamped between the fastener of latch for printed circuit installation and with left and right directions and the orientation of the holding section just The direction of friendship positions the latch for printed circuit.

2. a kind of saddle type rice transplanter, which is characterized in that

The seedling-planting apparatus includes the site preparation floating body that site preparation is carried out to the mud face in field；The court extended to the traveling car body Rise the seedling carrying base of posture forwards；It is configured with deviateing from the dead astern of the rear-wheel towards left and right directions and bears branch from below Hold multiple pillars of the upper side of the seedling carrying base；And the supporting part for the left and right length that the lower end of the pillar is supported Part,

The mud cover, which is included, is located at rear side and the plate opposite with the back side of the seedling carrying base compared with the leading edge of the pillar Shape cover portion；And bloated from the plate cover portion to front side and the bulging cover portion of lengthwise that the pillar is covered from front side, and institute It states the upper end in mud cover and leans forward compared with lower side bigger,

As the site preparation floating body, comprising: be provided in the central floating body in the left and right center of the seedling-planting apparatus；And it is provided in The side floating body of the left and right of the center floating body,

The bearing part includes the floating-body cover for blocking the soil that the rear-wheel is splash to the site preparation floating body；And from described The front end of bearing part extend and between the multiple site preparation parts for carrying out site preparation floating body,

The mud cover has the bellying towards front, which ensures lower end and the bearing in the mud cover Allow between the front end of component the site preparation part from below for the front end of the bearing part connection space, and described The lower end of mud cover has notch section, which allows the operation extended from the seedling-planting apparatus to the traveling car body The equipment of part, or allow the pillar relative to the connection of the bearing part,

As the mud cover, comprising: the half side opposite left mud cover in a left side with the seedling carrying base；And with the load seedling The half side opposite right mud cover in the right side of platform,