CN103988623A - Seedling transplanter - Google Patents

Abstract

The invention provides a seedling transplanter capable of planting the seedling to a designated position through simple operation, and configuration of parts of an operation portion is highly free; the seedling transplanter comprises a driving portion on a driving vehicle body, a seedling planting device arranged in a rear portion of the driving vehicle body, a transmission device transmitting to the driving portion and the seedling planting device, a planting clutch mechanism used for connecting/disconnecting the driving of the seedling planting device, a switching operation part (16) used for connecting/disconnecting the transmission of the driving portion, and a positioned planting detection part (101) used for detecting the operation of the switching operation part (16) on the designated position. When the positioned planting detection part (101) detects the switching operation part (16) is operating on the designated position, the planting clutch mechanism is connected; and the seedling planting device is driven to start through the transmission of the transmission device under a driving stop state based on the operation of the switching operation part (16).

Description

Seeding transplant machine

Technical field

The present invention relates to the seeding transplant machine of farmland transplant.

Background technology

Sulky rice transplanter described in patent documentation 1 is that the seedling seedling transplantation device loading in seedling mounting case is planted to the machinery in farmland, operation by functional unit moves forward and backward, and can transport condition be switched to by the operation of secondary variable speed operation bar to " road upper type ", " Planting pattern ", " neutral mode ".And, distribute to two sides of travel power train and plantation power train from the power of engine, with the height of the travel speed based on functional unit independently, in keeping certain plantation interval, seedling cultivation device plantation seedling.

In addition, a kind of agricultural operation vehicle is disclosed in patent documentation 2, in order to detect the operational ton for the functional unit of variable speed operation by bar potentiometer, and the aperture of the pivot to Hyaulic infinite variable speed mechanism changes according to the potentiometric detection limit of this bar, and possesses the mechanism that controls electromotor work.In this agricultural operation vehicle, owing to possessing the control electromotor of work described above, therefore connect without the coupling mechanism with complicated travel bar and Hyaulic infinite variable speed mechanism, thereby the operation that can cut down number of parts and alleviate functional unit, alleviates operator's required work in body operation.

Prior art document

Patent documentation 1: TOHKEMY 2012-205504 communique

Patent documentation 2: TOHKEMY 2011-230596 communique

Summary of the invention

Invent problem to be solved

But, in the Sulky rice transplanter described in patent documentation 1, in the time body being retreated in order to start plantation from farmland end and to fall seedling cultivation device and plant to farmland end, sometimes cannot plant the seedling of an initial strain amount due to moment or the operating condition in farmland etc. of interlock.

In order to eliminate the problems referred to above, the benefit that need to carry out planting seedling the Partial Jobs person who does not plant seedling by handwork is planted, or secondary variable speed operation bar is placed in after the power train of travelling plants a strain amount with plantation power train " neutral mode " position of not linking, and the secondary gear lever of immediate operation is placed in the loaded down with trivial details operations such as " Planting pattern " position.Now, secondary variable speed operation bar need to be placed in to " Planting pattern " from " neutral mode " operation, therefore need the functional unit that moving forward and backward of body operated to operate in neutral position.

And, if plant seedling by handwork, the problem such as time and work increase that exists operator to expend.And loaded down with trivial details processing ease causes maloperation and has the problems such as the plantation precision reduction of seedling.

In the agricultural operation vehicle described in patent documentation 2, be configured to, the bar that travels arranges near handling seat, Hyaulic infinite variable speed mechanism arranges in the bottom of body, therefore by control electromotor or from the connecting arm of the bar that travels according to Hyaulic infinite variable speed mechanism towards configuration time, on fore-and-aft direction, occupy more longways the inner space of the hood arranging in the front portion of working truck.

Therefore, there is the problem that the configuration space of the parts such as control device or fuel tank built-in in manoeuvre portion is caused to restriction.

And, on the inherent body left and right directions of manoeuvre portion, in inner space, there is enough and to spare, but because the lower side in manoeuvre portion is by Hyaulic infinite variable speed mechanism and control electromotor and occupy, there is the significantly limited problem of configuration degree of freedom that is difficult to the parts that carry out weight configuration, manoeuvre portion internal configurations.

The present invention completes in view of the above problems, to provide the seeding transplant machine of eliminating the problems referred to above as object.

For solving the means of problem

The present invention, in order to solve above-mentioned problem, has technical scheme shown below.

, invention described in scheme 1 is seeding transplant machine, it is characterized in that, be configured to: the portion of travelling is set on running vehicle body 2, at the rear portion of this running vehicle body 2, seedling cultivation device 4 is set, be provided with to the speed change gear 23 of the portion of travelling and 4 transmissions of seedling cultivation device, be provided with the plantation clutch mechanism 112 that works disconnected to driving into of this seedling cultivation device 4, 115, the handover operation parts 16 of make-break operation are carried out in the transmission that is provided with the above-mentioned portion of travelling of subtend, be provided with and detect the location plantation detection part 101 of these handover operation parts 16 to the operation of assigned position, when this location plantation detection part 101 detects when above-mentioned handover operation parts 16 are operated in to assigned position, connect above-mentioned plantation clutch mechanism 112, 115, and by the transmission from above-mentioned speed change gear 23, under the halted state of travelling that keeps the operation based on above-mentioned handover operation parts 16, above-mentioned seedling cultivation device 4 is driven.

Invention described in scheme 2, according to the seeding transplant machine described in scheme 1, it is characterized in that, be configured to: be provided with the functional unit 14 that above-mentioned speed change gear 23 is operated, be provided with operation based on this functional unit 14 and above-mentioned speed change gear 23 carried out to the output switching actuator 103 of variable speed operation, be provided with and switch above-mentioned plantation clutch mechanism 112, the plantation actuator 104 of 115 break-make, above-mentioned location plantation detection part 101 is set in the side of " neutral mode " position that above-mentioned handover operation parts 16 are stopped to above-mentioned transmission of travelling portion and seedling cultivation device 4, be provided with above-mentioned output switching actuator 103 and plant the control device 100 that actuator 104 is controlled, this control device 100, in the time aforesaid operations parts 14 being operated in to stop position and above-mentioned handover operation parts 16 are operated in to afore mentioned rules position, make above-mentioned output switching actuator 103 work and make speed change gear 23 speed changes, and make above-mentioned plantation actuator 104 work and above-mentioned seedling cultivation device 4 is driven.

Invention described in scheme 3, according to the seeding transplant machine described in scheme 1 or 2, it is characterized in that, above-mentioned handover operation parts 16 are configured to, can operate in by the secondary gear arranging on above-mentioned running vehicle body 2 switch to be applicable to the travel speed on road " road upper type " position, switch to and be applicable to " Planting pattern " position of the travel speed in farmland and make " neutral mode " position stopping to the transmission of the above-mentioned portion of travelling, being configured to can be only from this " neutral mode " position operation in afore mentioned rules position.

Invention described in scheme 4, be according to the seeding transplant machine described in scheme 1 or 2, it is characterized in that, in the time that above-mentioned location plantation detection part 101 becomes detected state afterwards through the stipulated time, cut off above-mentioned plantation clutch mechanism 112,115, or the output of above-mentioned speed change gear 23 is stopped.

Invention described in scheme 5, according to the seeding transplant machine described in scheme 1 or 2, it is characterized in that, be configured to: the rotation detection part 106 that is provided with the rotation of the plantation rotating shaft that detects above-mentioned seedling cultivation device 4, after above-mentioned location plantation detection part 101 becomes detected state, when this rotation detection part 106 detects the rotation of plantation rotating shaft, cut off above-mentioned plantation clutch mechanism 112,115, or the output of above-mentioned speed change gear 23 is stopped.

Invention described in scheme 6, according to the seeding transplant machine described in scheme 1 or 2, it is characterized in that, in the time that above-mentioned location plantation detection part 101 detects continuously handover operation parts 16 to the operation of assigned position within the first stipulated time, making above-mentioned speed change gear 23 speed changes is the first setting, after these speed change gear 23 speed changes are the first setting, when above-mentioned location plantation detection part 101 detects continuously handover operation parts 16 to the operation of assigned position within the second stipulated time, making above-mentioned speed change gear 23 speed changes is the second setting.

Invention described in scheme 7, according to the seeding transplant machine described in scheme 1 or 2, it is characterized in that, on " neutral mode " position of the transmission of the above-mentioned portion of travelling, the force application part 105 to above-mentioned handover operation parts 16 application of forces is set in disconnection, in the time stopping above-mentioned handover operation parts 16 to the operation of above-mentioned assigned position, handover operation parts 16 move to " neutral mode " position, and above-mentioned location plantation detection part 101 becomes non-detection status.

Invention described in scheme 8, according to the seeding transplant machine described in scheme 2, it is characterized in that, the operating axis of above-mentioned speed change gear 23 98 is configured towards body fore-and-aft direction, above-mentioned output switching actuator 103 is configured in from above-mentioned speed change gear 23 and is offset to the position of body left and right directions, by the coupling component 94 of the operating axis 98 of this output switching actuator 103 of connection and speed change gear 23, configure towards body left and right directions from above-mentioned output switching actuator 103.

Invention described in scheme 9, is according to the seeding transplant machine described in scheme 8, it is characterized in that, above-mentioned coupling component 94 is configured to and can changes length.

Invention described in scheme 10, is according to the seeding transplant machine described in scheme 8 or 9, it is characterized in that, is provided with: the gripper shoe 211 that supports the above-mentioned functional unit 14 that travels, support the mounting flange 212 of the rotating fulcrum 200 of the above-mentioned functional unit 14 that travels, above-mentioned mounting flange 212 is installed on to the installing component 213 of above-mentioned gripper shoe 211, and between above-mentioned rotating fulcrum 200 and above-mentioned mounting flange 212, limit the limiting part 215 of the rotation of above-mentioned rotating fulcrum 200 to above-mentioned mounting flange 212 imposed loads, be provided with the 1st drive link 141 that the operation of above-mentioned handover operation parts 16 is transmitted downwards, be provided with the 2nd drive link 142 that the secondary gear to arranging switches on above-mentioned running vehicle body 2, the upper side of the lower side of the 1st drive link 141 and the 2nd drive link 142 is connect via coupking shaft 146, this coupking shaft 146 is configured in to the downside of above-mentioned gripper shoe 211 and output switching actuator 103 and in body front side.

The effect of invention

According to the invention described in scheme 1, when plantation detection part 101 in location detects when handover operation parts 16 are operated in to predetermined bits, connect plantation clutch mechanism 112,115 and seedling cultivation device 4 is worked keeping travelling under halted state, thereby can on fixed position, plant seedling, therefore mend cultivation seedling without handwork and can lighten one's labor, having improved operability without loaded down with trivial details operation, and improved the plantation precision of seedling.

According to the invention described in scheme 2, on the invention effect basis described in scheme 1, use switch speed change gear 23 output output switching actuator 103, to plantation clutch mechanism 112, the 115 plantation actuators 104 that carry out break-make carry out the plantation of the seedling on fixed position, thereby can suppress the increase of number of parts and the plantation precision of raising seedling.

According to the invention described in scheme 3, on the invention effect basis described in scheme 1 or 2, can be by handover operation parts 16 only from " neutral mode " position operation in assigned position owing to being configured to, therefore needn't make body move can make seedling cultivation device 4 work, plant seedling and can lighten one's labor thereby needn't handwork mend, having improved operability without loaded down with trivial details operation and improved the plantation precision of seedling.

According to the invention described in scheme 4, on the invention effect basis described in scheme 1 or 2, owing to being configured in the time that location plantation detection part 101 detects handover operation parts 16 afterwards through the stipulated time, cut off plantation clutch mechanism 112,115 or the output of speed change gear 23 is stopped, even if thereby continue to detect under the state of handover operation parts 16 at location plantation detection part 101, also can automatically stop the plantation of seedling, thereby prevent from repeatedly planting seedling at same position, suppress the consumption of seedling.

According to the invention described in scheme 5, on the invention effect basis described in scheme 1 or 2, owing to being configured to after location plantation detection part 101 detects handover operation parts 16, in the time that rotation detection part 106 detects the rotation of plantation rotating shaft of cultivation device 4, cut off plantation clutch mechanism 112, 115 or the output of speed change gear 23 is stopped, even if thereby continue to detect under the state of handover operation parts 16 at location plantation detection part 101, also can automatically stop the plantation of seedling, thereby prevent from repeatedly planting seedling at same position, suppress the consumption of seedling.

According to the invention described in scheme 6, on the invention effect basis described in scheme 1 or 2, due in the time that location plantation detection part 101 detects handover operation parts 16 more than certain hour, make 23 stage of speed change gear ground speed change, thereby carry out the maintenance of seedling cultivation device 4, seedling cultivation device 4 to the left and right end movement, while making on seedling cultivation device 4 operation such as bottom alignment of the seedling loading, needn't make body travel and can make speed change gear 23 speed changes, therefore can improve the operating efficiency that the maintenance of seedling cultivation device 4 or end are drawn close etc.

And, needn't operate and can make speed change gear 23 speed changes functional unit 14, therefore operating efficiency further improves.

According to the invention described in scheme 7, on the invention effect basis described in scheme 1 or 2, due in the time stopping the operation of handover operation parts 16, force application part 105 makes handover operation parts 16 move to " neutral mode " position, thereby make handover operation parts 16 move to " neutral mode " position without operator, improved operability.

And, even if forgetting, operator make handover operation parts 16 move to " neutral mode " position, also can prevent that seedling cultivation device 4 from working continuously, thereby prevent from planting continuously seedling a position, suppress the consumption of seedling.

According to the invention described in scheme 8, on the invention effect basis described in scheme 2, owing to connecting the coupling component 94 of operating axis 98 of output switching actuator 103 and speed change gear 23, configure from above-mentioned output switching actuator 103 towards body left and right directions, therefore can suppress the front and back width of the transmission system of functional unit 14, thereby realize the densification of body front and back length, and improved the configuration degree of freedom of other component parts.

According to the invention described in scheme 9, on the invention effect basis described in scheme 8, owing to being configured to, the length of coupling component 94 is regulated and can the stop position of functional unit 14 be regulated, thereby improved the efficiency of maintainability or upkeep operation.

According to the invention described in scheme 10, on the invention effect basis described in scheme 8 or 9, owing to making limiting part 215 limit the rotation freely of rotating fulcrum 200 between rotating fulcrum 200 and mounting flange 212, thereby the operating position that can prevent functional unit 14 changes, therefore can prevent that the anxious of running vehicle body 2 from accelerating or anxious deceleration, carries out stable operation.

And, owing to by installing component 213, mounting flange 212 being installed on to gripper shoe 211, thereby installing component 213 can be taken off together with limiting part 215, therefore can reduce the man-hour of the apportioned effort while maintenance, and without carrying out regulating again of the load of limiting part 215 when the rotation of rotating fulcrum 200 is limited, improve maintainability.

And, switch actuator 103 near body front side and at downside by the coupking shaft 146 connecting between the lower side at the 1st drive link 141 and the upper side of the 2nd drive link 142 being configured in to specific output, thereby each actuating mechanism that can prevent the operation of operation based on functional unit 14 and handover operation parts 16 and move interferes with each other, and has therefore improved operability.

Brief description of the drawings

Fig. 1 is the end view of seeding transplant machine.

Fig. 2 is the vertical view of seeding transplant machine.

Fig. 3 is the key diagram of manoeuvre portion of seeding transplant machine etc.

Fig. 4 is the front view of the manoeuvre portion of seeding transplant machine.

Fig. 5 is the drive system figure of seeding transplant machine.

Fig. 6 is the drive system figure while representing " the road upper type " of seeding transplant machine.

Fig. 7 is the drive system figure while representing " Planting pattern " of seeding transplant machine.

Fig. 8 is the drive system figure while representing " the neutral mode " of seeding transplant machine.

Fig. 9 is the block diagram that represents the control system of seeding transplant machine.

Figure 10 is the action flow chart of seeding transplant machine.

Figure 11 is the second action flow chart of seeding transplant machine.

Figure 12 is the 3rd action flow chart of seeding transplant machine.

Figure 13 is the key diagram of the control panel of seeding transplant machine.

Figure 14 is the part front perspective view of seeding transplant machine.

Figure 15 is the part side perspective view of seeding transplant machine.

Figure 16 is the part side perspective view of seeding transplant machine.

Figure 17 be functional unit rotating fulcrum around want portion's pie graph.

In figure, 2: running vehicle body; 4: seedling cultivation device; 14: functional unit; 16: handover operation parts; 23: speed change gear; 94: coupling component; 100: control device; 101: location plantation detection part; 103: output switching actuator; 104: plantation actuator; 105: force application part; 106: rotation detection part; 112: plantation clutch mechanism; 115: plantation clutch mechanism; 141: the 1 drive links; 142: the 2 drive links; 146: coupking shaft; 200: rotating fulcrum; 211: gripper shoe; 212: mounting flange; 213: installing component; 215: limiting part

Embodiment

For the embodiment forming particularly based on above-mentioned technological thought, describe referring to accompanying drawing.And, taking the direction of advance of seeding transplant machine as benchmark, before and after determining respectively and left and right.

The seeding transplant machine of first embodiment of the invention, its end view and vertical view are respectively as Fig. 1, shown in Fig. 2, possesses the front-wheel 10 by left and right, 10 and the trailing wheel 11 of left and right, 11 portions of travelling that form and transmit integratedly the speed changer case 12 of variable-speed dynamic with engine 20, the front-wheel 10 of left and right is supported in transmission, the front-wheel gear-box 13 of 10 left and right, 13, the trailing wheel 11 of left and right is supported in transmission, the rear wheel gear case 18 of 11 left and right, driving sections such as 18 and can carry out farmland and form running vehicle body 2 with travelling, be configured to possess at the rear portion of this running vehicle body 2 by the 3 liftables actions of lifting linking member mechanism the seedling cultivation device 4 that carries out seedling strain plantation installed.

The power transfer path of seeding transplant machine is as follows.Above-mentioned engine 20 loads on body frame 15, and the rotary power of this engine 20 transmits to speed changer case 12 via belt driver 21 and hydraulic transmission 23.And the rotary power transmitting to this speed changer case 12, being undertaken after speed change by the speed changer in this case 12, is separated into driving dynamics and takes out with the outside power that takes out.

A part for driving dynamics forward gear teeth roller box 13 is transmitted and front-wheel 10,10 is driven, and remainder transmits and trailing wheel 11,11 is driven to rear wheel gear case 18.The front-wheel gear-box 13,13 of left and right supports the front-wheel 10,10 of left and right in the transmission of the side of speed changer case 12, the rear wheel gear case 18,18 of left and right makes to arrange highlightedly to body left and right sides at the axletree of the trailing wheel 11 of body left and right side shaft dress left and right, accepts left and right variable-speed dynamic separately from this speed changer case 12.

Be configured to operator functional unit 14 is operated and can make hydraulic transmission 23 from advance 9 grades through neutral position continuously (infinitely) speed change to retreating 6 grades, by handover operation parts 16 being operated and can changing to " road upper type ", " neutral mode " and " Planting pattern " by the known secondary speed-changing device in gear type speed change gear.To describe in detail this part below.

Then, the outside plantation clutch mechanism that takes out plantation clutch box 25 inside that power arranges to the rear portion at running vehicle body 2 one of transmit, afterwards by planting power transmission shaft 26 to 4 transmissions of seedling cultivation device, and by fertilising transmission mechanism 28 to fertilizer apparatus 5 transmissions.This seedling cultivation device 4 possesses the transmission case 50 of accepting power from the plantation power transmission shaft 26 of After-Body, and operator supplies with seedling to seedling mounting table 51, and uses the plantation to farmland according to the seedling strain that the implantation bar 52 of configuration loads side by side respectively of plantation row.

And, trampling brake pedal by operator, driving dynamics, the outside power that takes out can be cut off in the lump.

Being constructed as follows of above-mentioned seedling cultivation device 4.

The seedling cultivation device 4 arranging at the rear of the running vehicle body 2 of seeding transplant machine shown in the present is the formation of 6 row plantations, possesses: the double seedling plantation transmission case 50 that does framework; Mounting cushion seedling left and right move back and forth and by seedling with a strain amount to the seedling conveying end 51a of each row ... supply with and by the seedling of a horizontal row amount all to seedling conveying end 51a ... when supply by seedling conveyer belt 51b ... the seedling mounting table 51 that seedling is transferred downwards; Will to seedling conveying end 51a ... the seedling of supplying with take out and to the implantation bar 52 of farmland plantation, The plantation rotating shaft that this implantation bar 52 is rotated; And the marking device 19 of the pair of right and left of ruling to the native face of table on the body progress path of subsequent processing etc.

And, in the bottom of seedling cultivation device 4, be provided with central buoyancy aid 55 in central authorities, be respectively equipped with side buoyancy aid 56,56 in its left and right sides.In the time body being advanced under the state that makes the side buoyancy aid 56,56 of these central buoyancy aids 55 and left and right and the mud face ground connection in farmland, 55,56 pairs of mud faces of this each buoyancy aid flatten and slip, its leveling vestige on by implant bar 52 ... plantation seedling.The side buoyancy aid 56,56 of above-mentioned central buoyancy aid 55 and left and right and farmland are shown concavo-convex accordingly front the rotation on above-below direction freely of native face and are installed, in the time of plantation operation, detect anterior the moving up and down of central buoyancy aid 55 by angle of attack control sensor (diagram is omitted), switch accordingly the hydraulic valve that lifting hydraulic cylinder 46 is controlled and make 4 liftings of seedling cultivation device with this testing result, thereby the planting depth of seedling is remained to constant.

On seedling cultivation device 4, be provided with as an example of apparatus for leveling by carrying out side rotary head 27a, the 27a of smooth left and right and contact with the farmland face in the front of above-mentioned central buoyancy aid 55 the leveling rotary head device that carries out smooth central rotary head 27b formation with the farmland face contact in the front of the side buoyancy aid 56,56 of above-mentioned left and right.And seedling mounting table 51 is configured to and is supporting on all left and right directions of seedling cultivation device 4 and above-below direction backing roll 65a taking the support frame 65 of the rectangle of whole width as track, at right and left upward sliding.

Make the lifting linking member mechanism 3 of seedling cultivation device 4 liftings for parallel rod forms, possess the lower link 41,41 of 1 upper connecting rod 40 and pair of right and left.The lower link 41,41 of connecting rod 40 and pair of right and left on these, its base portion side is rotated freely and is installed erecting on the backsight of the rearward end of body frame 15 is the rear frame 42 of a shape, is linked with vertical connecting rod 43 in its tip side.And, insert in the bottom of vertical connecting rod 43 and be bound up on the freely coupking shaft 44 of supporting of rotation on seedling cultivation device 4, centered by coupking shaft 44, seedling cultivation device 4 is rolled and freely connect.

Be configured between the top ends of the swing arm that is installed in the support component of above-mentioned body frame 15 and be integrally formed on upper connecting rod 40 and be provided with lifting hydraulic cylinder 46, utilize hydraulic pressure to make this cylinder 46 flexible, thereby upper connecting rod 40 rotates up and down, seedling cultivation device 4 is keeping carrying out lifting under constant attitude.And between the lower link 41,41 of rear frame 42 and upper connecting rod 40 and left and right, configuration lifting detection part is potentiometer, detects rising or the decline of seedling cultivation device 4 based on the variation of angle.

Being constructed as follows of operator's periphery of seeding transplant machine.

The launched hood 30 in top of above-mentioned engine 20 covers, and is provided with seat 31 on it.The front shroud 32 that has built-in various operating mechanisms in the front of seat 31, is provided with control panel 33 above it, and is provided with above it the steering wheel 34 that front-wheel 10 is carried out to steering operation.Be provided with functional unit 14 on the right side of this steering wheel 34, be provided with handover operation parts 16 in left side.The left and right sides, lower end of hood 30 and front shroud 32 becomes horizontal floor pedal 35.Floor pedal 35 becomes local clathrate, for pin is stepped on the formation that the mud that adheres on operator's the footwear of this pedal 35 can fall to farmland.Rear portion on floor pedal 35 becomes the double bumper step 36 that makees rear guard.

Fertilizer apparatus 5 arranges in the upper back of running vehicle body 2, be configured to by the granular fertilizer of storage in fertilising bucket 60 by extraction portion 61 ... with a certain amount of taking-up, by this fertilizer by fertilising manage 62 ... be directed at the fertilising guide portion of installing in the left and right sides of above-mentioned each buoyancy aid 55,56,56, by arrange in the front side of fertilising guide portion do ditch body 64 ... fall near the fertilising groove forming the sidepiece of seedling plantation row.Be configured to the wind that the fan blower 58 that driven by blower motor 53 produces, via wind chamber 59 longer on left and right directions be blown into fertilising pipe 62 ..., utilize blast forcibly conveyance fertilising pipe 62 ... interior fertilizer.

In the anterior left and right sides of above-mentioned running vehicle body 2, by the preliminary seedling mounting table 38,38 of left and right that loads in advance the seedling that supply uses, than the body position outstanding near side be accommodated on the position of inner side and arrange rotationally, the preliminary seedling mounting table 38,38 of left and right is supported in the support frame 49 in the bottom of the floor of running vehicle body 2 pedal 35 configuration base portion side.

The preliminary seedling mounting table 38,38 of above-mentioned left and right is configured to respectively three grades by the parallel linkage that is made up of multiple mobile link parts and the 1st preliminary seedling mounting plate 38a, the 2nd preliminary seedling mounting plate 38b and the 3rd preliminary seedling mounting plate 38c.Preliminary seedling mounting table 38 can be by the rotation of this parallel linkage at each preliminary seedling mounting plate 38a, 38b, 38c is roughly loading plate 38a at deployed condition and each preliminary seedling of fore-and-aft direction arrangement on same plane, 38b, 38c switches between the receiving state of overlooking overlapping above-below direction arrangement.This switching is undertaken by switching device shifter 70.Switching device shifter 70 is made up of electromotor etc., arranges in the inside of case 71.

Utilize the bang path of drive system figure from Fig. 5 to Fig. 8 power when operating above-mentioned handover operation parts 16 to describe.Operator for the action of hope (travel on road or plant and travel etc.) is put on to seeding transplant machine and needn't operate respectively multiple disconnecting mechanism, has improved operating efficiency and has improved operability.

Fig. 5 illustrates the drive system figure of the seeding transplant machine of Fig. 1.Speed changer is accepted the power from engine 20, plants respectively " plantation power train " supply power of power to the outside part of taking out power of " power train of travelling ", acceptance of accepting driving dynamics." power train of travelling " obtains " plantation travel power train " in farmland of torque or can suppress torque and " power train of travelling on road " on the way that obtain speed supplied with power to suppressing speed." plantation power train " supplies with power to " the seedling plantation portion " that form seedling cultivation device 4.

And, the first disconnecting mechanism 111 of power is set between speed changer and " power train of travelling ", between speed changer and " plantation power train ", the second disconnecting mechanism 112 is set, between " power train of travelling " and " plantation travel power train ", the 3rd disconnecting mechanism 113 is set, between " power train of travelling " and " power train of travelling on road ", the 4th disconnecting mechanism 114 is set, between " plantation power train " and " seedling plantation portion ", the 5th disconnecting mechanism 115 is set.And the second disconnecting mechanism and the 5th disconnecting Mechanism Combination that break-make are transmitted to the power of " seedling plantation portion " form " plantation clutch mechanism ".

Above-mentioned handover operation parts shown in Figure 6 16 are the state of the pattern of travelling on the transport condition of running vehicle body 2 road outside being adapted at farmland for " road upper type ".Now, the first disconnecting mechanism 111 and the 4th disconnecting mechanism 114 connect, and other disconnecting mechanism breaks off.And, make above-mentioned handover operation parts 16 be positioned at " road upper type " by operator, multiple disconnecting mechanism is operated and becomes the state of Fig. 7.

The state of the pattern that the transport condition that above-mentioned handover operation parts 16 shown in Figure 7 are running vehicle body 2 for " Planting pattern " position travels in being adapted at farmland.Now, the first disconnecting mechanism 111, the second disconnecting mechanism 112, the 3rd disconnecting mechanism 113, the 5th disconnecting mechanism 115 connect, and the 4th disconnecting mechanism 114 breaks off.

The state of handover operation parts 16 shown in Figure 8 in " neutral mode ".Now, the second disconnecting mechanism 112, the 5th disconnecting mechanism 115 connect, and the first disconnecting mechanism 111, the 3rd disconnecting mechanism 113, the 4th disconnecting mechanism 114 break off.Can not transmit driving dynamics, therefore running vehicle body 2 drives before and after not understanding, and only seedling plantation portion is driven.

Then, formation of handover operation parts 16 peripheries of the seeding transplant machine to the first embodiment etc. describes.Fig. 3 (a) is for seeing the figure of the manoeuvre portion periphery of seeding transplant machine from front oblique upper, Fig. 3 (b) is for seeing the figure of the action groove that can operate the handover operation parts 16 manoeuvre portion from front.Fig. 4 is the front view of this manoeuvre portion, and Fig. 9 illustrates the block diagram of the control system of the seeding transplant machine of the first embodiment.

Handover operation parts 16 are linearity by the position of " road upper type " " neutral mode " " Planting pattern " in front and back assortment, and arranging can be from " neutral mode " position operation in the translot on right side, touch sensor is set in the end of this translot and locates plantation detection part 101.

And, the force application part 105 moving to " neutral mode " position when the operation of the handover operation parts 16 that operate in translot when operator stops in the root setting of handover operation parts 16.This force application part 105 is torque springs of installing on the turning cylinder of handover operation parts 16.

The potentiometer 102 that travels that the work angle of functional unit 14 is detected is set at the root of aforesaid operations parts 14, the value of this potentiometer 102 that travels is sent to control device 100.Control device 100 links with the numerical value of the potentiometer 102 that travels, and the output switching actuator 103 that the output of hydrostatic speed changer 23 is changed is moved.Here the output switching actuator 103 of enumerating is servomotor.

Operator operates above-mentioned handover operation parts 16 along translot from " neutral mode " position, while location plantation detection part 101 being carried out to making operation contacting with the location plantation detection part 101 of groove end, control device 100 is worked output switching actuator 103, makes to increase to the first setting from the output of speed change gear 23.Here so-called the first setting, is the value that only makes seedling cultivation device 4 enough output for working for running vehicle body 2 is not travelled, and stores in advance in control device 100 grades.Correspondingly, make to plant actuator 104 and work, make to plant clutch mechanism 112,115 and connect.

From " neutral mode " position, above-mentioned handover operation parts 16 are operated and when plantation detection part 101 in location is carried out to making operation owing to being configured to, to plant clutch mechanism 112,115 connects, and make to increase to from the output of speed change gear 23 value of regulation, operator does not make body move and can the moment is worked seedling cultivation device 4 arbitrarily, therefore without expending the work such as seedling plantation based on handwork or carrying out loaded down with trivial details operation, can be suitably at farmland end plantation seedling.Thus, can realize effective utilization in farmland.

And, output switching actuator 103 and plantation actuator 104 can be planted for the seedling at farmland end, actuator or the drive disk assembly that therefore needn't make in addition running vehicle body 2 move and without utilization, seedling cultivation device 4 to be worked, can suppress the increase of number of parts.And, can suitably plant seedling at farmland end, thereby improve the plantation precision of seedling.

When stopping the operation of above-mentioned handover operation parts 16, when operator takes away hand from handover operation parts 16, force application part 105 makes handover operation parts 16 move to " neutral mode " position, therefore operator can only make speed change gear 23 become output halted state by taking away hand, and can cut off plantation clutch mechanism 112,115, prevent from planting continuously seedling a position, suppress the consumption of seedling.

And owing to making handover operation parts 16 get back to the operation of " neutral mode " position without operator, therefore working hour reduces and has improved operability.

Figure 10 illustrates motion flow when location plantation detection part 101 is carried out to make-break operation.Operator, in the time of farmland end plantation seedling, first makes seeding transplant machine retreat to travel to move to farmland end.Thereafter, operator below step 001(as shown in S001) control handover operation parts 16 with left hand, from " neutral mode " position operation in right side, location plantation detection part 101 is set to " connection ".

And, in the time that plantation detection part 101 in location becomes the signal of " connection " to control device 100 transmission, the output switching actuator 103 that control device 100 makes the aperture of the operating axis 98 to hydrostatic speed change gear 23 carry out handover operation in S002 moves, and makes to be increased to the first setting from the output of speed change gear 23.

And, in S003, make to plant actuator 104 and work, the second disconnecting mechanism 112 and the 5th disconnecting mechanism 115 that form plantation clutch mechanism 112,115 are set to " connection ".In S004, utilize the timer function in control device 100 interior settings, to counting in the time that location plantation detection part 101 is set to after " connection ".In S005, judge whether through planting the time of the seedling of a strain amount, whether having passed through the time that plantation rotating shaft rotates a circle.Through out-of-date, before process, do not enter next step S006 not, through the out-of-date S006 that enters, in this S006, make to plant actuator 104 and work, cut off plantation clutch mechanism.

And, in S007, utilize timer function to judge whether and passed through the time that plantation rotating shaft rotates a circle., through out-of-date, before process, do not enter next step S009, through the out-of-date S009 that enters, in this S009, make output switching actuator 103 move, speed change gear 23 is placed in to output halted state, finish a series of action.

Be configured to after above-mentioned location plantation detection part 101 becomes connection, control device 100 is when planting through the time of the seedling of planting a strain amount after the time that rotating shaft rotates a circle, automatically cut off plantation clutch mechanism 112,115, or the automatically output of speed change gear 23 is stopped, even thus operator's ongoing operation handover operation parts 16, continue plantation detection part 101 in location to carry out making operation, also can automatically stop the plantation of seedling, therefore can prevent from repeatedly planting seedling, suppress the consumption of seedling.

And, by making handover operation parts 16 once contact to carry out a series of action with location plantation detection part 101, therefore improved operability due to only.

Figure 11 illustrates the motion flow that prevents the cut-out of forgetting above-mentioned location plantation detection part 101.

In S101, when being planted detection part 101 by operator, location is set to " connection ", while becoming the signal of " connection " to above-mentioned control device 100 transmission location plantation detection parts 101, in S102, control device 100 moves the output switching actuator 103 that the oblique sheet of hydrostatic speed change gear 23 is operated, and makes to be increased to the first setting from the output of speed change gear 23.And, in S103, make to plant actuator 104 and work, the second disconnecting mechanism 112 and the 5th disconnecting mechanism 115 that form plantation clutch mechanism 112,115 are set to " connection ".

And the rotation detection part 106 of rotation that detects plantation rotating shaft in S104 starts rotation and detects, in S105, judge whether the seedling of plantation one strain amount rotation, plant rotating shaft and rotate a circle.In the time not rotating a circle, before rotating a circle, do not enter next step S106, enter S106 if rotate a circle, in this S106, make to plant actuator 104 and work, cut off plantation clutch mechanism.

And, in S107, make output switching actuator 103 move, speed change gear 23 is placed in to output halted state, finish a series of action.

Owing to being configured to after above-mentioned location plantation detection part 101 becomes connection, control device 100 detects the seedling of plantation one strain amount, plants when rotating shaft rotates a circle and automatically cut off and plant clutch mechanism 112,115 when rotating detection part 106, or automatically make the output of speed change gear 23 stop, even if operator operates handover operation parts 16 continuously thus, continuously location plantation detection part 101 is carried out to making operation, also can automatically stop the plantation of seedling, thereby prevent from repeatedly planting seedling, suppress the consumption of seedling.

And, only, by making handover operation parts 16 once contact to carry out a series of action with location plantation detection part 101, therefore improved operability.

Figure 12 illustrates motion flow when location plantation detection part 101 is carried out to continuous making operation.

First, in S201, when being planted detection part 101 by operator, location is set to " connection ", while being the signal of " connection " to control device 100 transmission location plantation detection parts 101, in S202, control device 100 utilizes timer function to judge whether that plantation detection part 101 in location is " connection " more than the first stipulated time.This first stipulated time is for example about the 10 seconds time about plantation rotating shaft rotates three circles, storage in control device 100 in advance.In the time of the first stipulated time of less than elapsed time, before the first stipulated time, do not enter next step S204, became for the first stipulated time to enter S204 when above.

And, in S204, make output switching actuator 103 work, make the output of speed change gear 23 increase to the second setting.The second setting is larger than the first setting, the value of the what is called " middling speed " of the speed of the degree at double while being the first setting as the rotation number that becomes plantation rotating shaft, storage in control device 100 in advance.And, in S205, judge whether that plantation detection part 101 in location is " connection " more than the second stipulated time.This second stipulated time is and the time of the first stipulated time same degree, stores in advance in control device 100.When the second stipulated time of less than elapsed time, enter S217, the output of speed change gear 23 is kept with the value of " middling speed ".On the other hand, enter S207 when above when becoming for the second stipulated time.

And, in S207, make output switching actuator 103 work, make the output of speed change gear 23 be increased to the 3rd setting.To become, the 3rd setting is larger than the second setting, the value of the what is called " at a high speed " of the speed of the 3 times degree of the rotation number of plantation rotating shaft during as the first setting, in advance storage in control device 100 in advance.And, in S208 by the output of this speed change gear 23 with " at a high speed " and value keep, finish a series of action.

Owing to being configured to above-mentioned location plantation detection part 101 more than certain hour during for on-state, control device 100 makes output switching actuator 103 work and make to increase from the output of speed change gear 23, thus in the maintenance of carrying out seedling cultivation device 4, seedling cultivation device 4 is the movement of end to the left and right, while being aligned on seedling cultivation device 4 operation such as bottom of the seedling loading, be only on-state by continuing to make location plantation detection part 101, the output that can not make body travel and to improve speed change gear 23, therefore the operating efficiency that the end that improves seedling cultivation device 4 is drawn close etc.

And, needn't operate and can make the output of speed change gear 23 increase functional unit 14, even if therefore also can carry out independent work going up obliquely seedling cultivation device 4, in the time carrying out alignment of seedling cultivation device 4 etc., needn't move to smooth place, further improve operating efficiency.

Figure 13 is the key diagram of the control panel 33 of seeding transplant machine.

Figure 13 (a) is the front view of control panel 33, represents respectively the show state of the liquid crystal numerical value display part 151 this control panel 33 from Figure 13 (b) to Figure 13 (d).

Above-mentioned control panel 33 has the liquid crystal numerical value display part 151 of the state of the each device that represents seeding transplant machine.This liquid crystal numerical value display part 151 is divided into respectively digital section 152, digital frame portion 153, digital background 154, represents different unit states by the part of lighting.For example, in the time representing the speed of seeding transplant machine, as shown in Figure 13 (b), only time, digital section is lighted and other parts is extinguished.

In the time judging the break-make of ridge clutch according to row, as shown in Figure 13 (c), only make digital background 154 light and other parts are extinguished.In the time representing to cut the row of seedling, fertilizer obstruction, as shown in Figure 13 (d), make digital background 154 glimmer and extinguish other parts.

Thus, can make the state same section of liquid crystal numerical value display part 151 represent multiple different states.Which kind of in the time sending multiple lighting/glimmer instruction, carries out and show, in advance storage in control device 100 in advance.

Figure 14 is the pie graph of the power train of bar operation, is the perspective view while seeing from the A-A of Fig. 1.Figure 15 is that the B-B of Figure 14 is to view.Hydraulic transmission (HST) 23 arranges in the position being offset from the middle position of body left and right directions, on body left and right directions, arranges near on the position of one end.The operating axis 98 of this speed change gear 23 with to body fore-and-aft direction outstanding towards configuration.

This operating axis 98 is the axles that rotate in the time that the output to from above-mentioned speed change gear 23 or outbound course change, and the front from above-mentioned speed change gear 16 to body fore-and-aft direction is outstanding.

In the inside of above-mentioned front shroud 32, be provided with the output transmission mechanism 90 being formed by above-mentioned output switching actuator 103 grades.This output transmission mechanism 90, at least the position on body left and right directions arranges in the position different from speed change gear 23.For example, the setting between left and right with functional unit 14 at speed change gear 23.

And, above-mentioned output transmission mechanism 90, the position on body above-below direction also configures on the position different from speed change gear 23.Above-mentioned speed change gear 23 arranges near the lower end of running vehicle body 2, and this output transmission mechanism 90 is the setting between the upper and lower with functional unit at speed change gear 23.

Above-mentioned output transmission mechanism 90, by electromotor be above-mentioned output switching actuator 103, the slow down gear 92 of output of power that this output switching actuator 103 is occurred forms.This gear 92 is formed as roughly fan-shaped, on the circular arc portion of fan-shaped, has tooth, and has turning cylinder near the top relative with this circular arc portion, engages with the pinion of installing on output shaft at output switching actuator 103 (diagram is omitted).Above-mentioned turning cylinder is towards body fore-and-aft direction, towards the operating axis 98 of this turning cylinder and speed change gear 23 parallel towards, i.e. body fore-and-aft direction towards each other.

Above-mentioned output transmission mechanism 90 and speed change gear 23, connect by coupling component 94.This coupling component 94 configures towards the oblique below of body left and right directions and body above-below direction taking above-mentioned output transmission mechanism 90 as benchmark.

On the gear 92 of above-mentioned output transmission mechanism 90, be provided with and the gear side arm 96 of this gear 92 unitary rotation, on the operating axis 98 of above-mentioned speed change gear 23, the speed changer side arm 97 with this operating axis 98 unitary rotation is installed.Above-mentioned coupling component 94 is connected respectively both ends at this gear side arm 96 with on speed changer side arm 97.

Thus, coupling component 94, via gear side arm 96 and speed changer side arm 97, between the output gear 92 of transmission mechanism 90 and the operating axis 98 of speed change gear 23, transmits the power while rotation.

And above-mentioned coupling component 94 is configured to and can at random changes length.This coupling component 94, there are the bar-shaped parts that the two ends of the parts that are connected with the gear side arm 96 on coupling component 94, the parts that are connected with speed changer side arm 97 are screwed togather, make part that two ends screw togather each other for reciprocal screw thread becomes nipple (turnbuckle) shape, can change length.And above-mentioned example is an example, also can be made up of cylinder etc.

The turning cylinder of the gear 92 of the operating axis of above-mentioned speed change gear 23 98 and output transmission mechanism 90 is configured towards body fore-and-aft direction respectively, and by the coupling component 94 that connects speed change gear 23 and operating axis 98 move to above-below direction roughly towards on configuration, speed change gear 23 or coupling component 94 and duty independently reduce the width of body fore-and-aft direction thus, therefore in the inside of front shroud 32, in the front of speed change gear 23 and coupling component 94, form larger spatial portion.The fuel tank 210 of the fuel of the above-mentioned engine 20 of configuration storage on this spatial portion.

Figure 16 is that the C-C of Figure 14 is to view.Figure 17 is the D portion details drawing of Figure 14, is the pie graph around of rotating fulcrum of functional unit 14.Functional unit 14 or handover operation parts 16 are to install in gripper shoe 211 in the gripper shoe that supports this functional unit 14 or handover operation parts 16.This gripper shoe 211, in the interior setting of front shroud 32, becomes the parts of the roofbolt that forms fitting operation parts 14 or handover operation parts 16, is that thickness direction is the plate-shaped member of body left and right directions.

Above-mentioned roofbolt is by this tabular gripper shoe 211 on body left and right directions and establish multiplely and form, and a part for gripper shoe 211 functional unit 14 handover operation parts 16 from the position of the both sides of the outstanding position of front shroud 32 and on body left and right directions on body left and right directions arrange from the position of the both sides of the outstanding position of front shroud 32.

Central shaft when aforesaid operations parts 14 are rotations of this functional unit 14, is supported in gripper shoe 211 with the rotating fulcrum 200 of functional unit 14 unitary rotation.This rotating fulcrum 200 extends setting on body left and right directions, is supported in and on body left and right directions, is positioned at the gripper shoe 211 of functional unit 14 from 2 positions of the both sides of the outstanding position of front shroud 32.

In the gripper shoe 211 of above-mentioned two positions, a side gripper shoe 211, has the hole that can insert above-mentioned rotating fulcrum 200, by inserting this hole near one end of this rotating fulcrum 200, thus support rotating fulcrum 200.And the opposing party's gripper shoe 211, by the mounting flange of support rotating fulcrum 200 212, is installed on gripper shoe 211 with the state of support rotating fulcrum 200, thus support rotating fulcrum 200.

This mounting flange 212 has the hole that can insert above-mentioned rotating fulcrum 200, inserts rotating fulcrum 200 in this hole, thereby can support rotating fulcrum 200.And, supporting under the state of above-mentioned rotating fulcrum 200, install in gripper shoe 211 by mounting flange 212 being installed in to the installing component 213 of gripper shoe 211.Now, mounting flange 212 is being installed in the gripper shoe 211 of this mounting flange 212, near the face of the contrary side of gripper shoe 211 position side one end of support rotating fulcrum 200, installs.

On above-mentioned rotating fulcrum 200, being provided with roughly discoideus parts is pressing plate 201.This pressing plate 201, on the direction of principal axis of above-mentioned rotating fulcrum 200, is located at two positions of the both sides of the mounting flange 212 of the state of support rotating fulcrum 200.; above-mentioned pressing plate 201 is being installed on mounting flange 212 under the state of gripper shoe 211, is made up of the pressing plate 202, the pressing plate 203 that is positioned at the outside of a contrary side of these gripper shoe 211 position side of inner side of gripper shoe 211 position side of the axle head that is positioned at support rotating fulcrum 200.

And, between above-mentioned pressing plate 201 and mounting flange 212, be equipped with imposed load on above-mentioned mounting flange 212 and the limiting part that limits the rotation of rotating fulcrum 200 is limiting part 215.This limiting part 215 forms with the roughly discoideus shape that forms the hole that can insert in inner side rotating fulcrum 200, and the parts high with coefficient of friction form.This limiting part 215 is inserting under the state of rotating fulcrum 200, be disposed at mounting flange 212 both sides two positions pressing plate 201 and mounting flange 212 separately between setting, above-mentioned limiting part 215 contacts with the both sides of mounting flange 212 with pressing plate 201., above-mentioned limiting part 215 arranges between the mounting flange 212 of support rotating fulcrum 200 and rotating fulcrum 200.

And, the pressing plate 202 that forms the inner side of the pressing plate 201 of two positions freely arranges with rotating fulcrum 200 unitary rotation, the pressing plate 203 in outside can insert the hole of rotating fulcrum 200 roughly discoideus shape to be formed on inner side forms, and inserts rotating fulcrum 200 and arrange in this hole.Above-mentioned limiting part 215 arranges in the left and right sides of above-mentioned mounting flange 212, under the state of the above-mentioned mounting flange 212 of clamping, is further clamped by the pressing plate 203 in the pressing plate 202 of inner side and outside.

And rotating fulcrum 200 forms thread groove within the limits prescribed from the end of pressing plate 203 position side in outside, forming in the part of this thread groove, screw togather two nuts and screw togather the so-called double nut 217 that possesses locking mechanism by overlapping.Between this double nut 217 and the pressing plate 203 in outside, be provided with spring washer 218.

Above-mentioned double nut 217 can be fixed the optional position on the direction of principal axis of above-mentioned rotating fulcrum 200, therefore by the position of double nut 217 is regulated, can change arbitrarily the interval of pressing plate 203 with the pressing plate 202 of inner side in outside.Thus, above-mentioned limiting part 215 changes mounting flange 212 or pressing plate 201 applied pressures.

Load control parts that the load of the limiting part 215 that as mentioned above, double nut 217 applies as subtend mounting flange 212 or pressing plate 201 regulates and arranging.Aforesaid operations parts 14 rotate freely and to arrange centered by above-mentioned rotating fulcrum 200, therefore in the time changing the load of limiting part 215 by double nut 217, and the required power of operation that can alter operation parts 14.

The output of above-mentioned speed change gear 23 or outbound course, can work according to the operation of functional unit 14 by output transmission mechanism 90, the operating axis 98 that makes to export transmission mechanism 90 rotates and changes, the formation detecting by detection part for the operational ton of aforesaid operations parts 14 or the state of operating axis 98.

In near of aforesaid operations parts 14, the above-mentioned potentiometer 102 that travels is set, and near of the operating axis 98 of speed change gear 23, the degree of rotation that is equipped with detection operating axis 98 is that the Measuring opening parts of aperture are transmission side potentiometer 122.

As shown in Figure 9, the output switching actuator 103 of above-mentioned travel potentiometer 102 or transmission side potentiometer 122, output transmission mechanism 90, is connected with above-mentioned control device 100.Above-mentioned control device 100, the reference position that storage becomes travel potentiometer 102 and transmission side potentiometer 122 both sides is operational ton and the aperture of shut-down operation position, and send the signal corresponding with the detection limit of travel potentiometer 102 and transmission side potentiometer 122, can output switching actuator 103 be worked according to detection limit.

Above-mentioned handover operation parts 16 with the 1st drive link 141 of the action of these handover operation parts 16 transmission is downwards connect.The upper end of the 1st drive link 141 connects towards above-below direction near the lower end of handover operation parts 16.

And the secondary gear in speed changer case 12, operates the switching mobile device 140 arranging on speed changer case 12, can operate from the outside of speed changer case 12.On this switching mobile device 140, be linked with the 2nd drive link 142.

Above-mentioned switching mobile device 140 or the 2nd drive link 142, be disposed in body left and right directions and be provided with the opposition side of handover operation parts 16 1 sides.That is, switch mobile device 140 or the 2nd drive link 142 on body left and right directions, be positioned at a side that is provided with functional unit 14, below functional unit 14, arrange.

Above-mentioned the 2nd drive link 142, the output side lever 144 of exporting to switching mobile device 140 by the input side lever 143 from handover operation parts 16 Input Forces, by the power from the 16 1 side transmission of handover operation parts forms.The rear end part of this output side lever 144 connects with switching mobile device 140, forwards extends setting from this switching mobile device 140.

Between the front end and rear end of the rear end part of above-mentioned input side lever 143 on the bearing of trend of output side lever 144, connect along exporting side lever 144 free slidings.In the front and rear end side of the output side lever 144 in the attachment of this output side lever 144 and input side lever 143, what the slip that telescopically is provided with the input side lever 143 of subtend output side lever 144 applied elastic force keeps out of the way spring 145.Thus, above-mentioned input side lever 143 connects on output side lever 144 free sliding, applies the elastic force that can be positioned at established part.

Above-mentioned the 1st drive link 141 and the 2nd drive link 142 connect by coupking shaft 146.This coupking shaft 146 configures in the bottom of gripper shoe 211 towards body left and right directions, the lower client link of one end and the 1st drive link 141, the front client link of the front end of the other end and the 2nd drive link 142, the input side lever 143 that the 2nd drive link 142 has.And coupking shaft 146 specific output transmission mechanisms 90 arrange near below, the coupling component 94 of specific output transmission mechanism 90 configures near front side.

This coupking shaft 146 extends setting and is set to rotating axle shape on body left and right directions, is provided with the 1st drive link side arm 147 and the 2nd drive link side arm 148 with coupking shaft 146 unitary rotation at the two ends of this coupking shaft 146.Wherein, on the end of the 1st drive link 141 sides of the 1st drive link side arm 147 on coupking shaft 146, arrange, rearward outstanding from coupking shaft 146.The 1st drive link 141 connects with the 1st drive link side arm 147.

And the end of 2nd drive link 142 sides of the 2nd drive link side arm 148 on coupking shaft 146 arranges, outstanding downwards from coupking shaft 146.The 2nd drive link 142 connects with the 2nd drive link side arm 148.

And, the coupling component 94 of output transmission mechanism 90, extend and arrange below tiltedly from output transmission mechanism 90 to speed change gear 23, but coupking shaft 146 is the position that becomes the height of end and the height of speed change gear 23 sides of output transmission mechanism 90 sides of coupling component 94 in the position of above-below direction.

Thus, coupking shaft 146 for to intersect with coupling component 94, and separates at fore-and-aft direction from coupling component 94 in front view in lateral plan.And the coupking shaft 146 arranging in the front of coupling component 94, arranges near of the coupling component 94 in the front of coupling component 94, fuel tank 210 arranges in the front of this coupking shaft 146.

By above-mentioned formation, operating axis 98 with towards body fore-and-aft direction outstanding towards configuration speed change gear 23, to change accordingly the output transmission mechanism 90 of output of speed change gear 23 etc. and the operating axis 98 of speed change gear 23 with the operation of functional unit 14, with connecting towards the coupling component 94 of body left and right directions configuration, thereby can suppress to export the front and back width of transmission mechanism 90 and coupling component 94, therefore can suppress the width on the fore-and-aft direction of transmission system of functional unit 14, improve the configuration degree of freedom of fuel tank 210 component parts such as grade in front shroud 32.

And, can suppress the width on the fore-and-aft direction of transmission system of functional unit 14, therefore can realize the densification of the front and back length of body.

And, output transmission mechanism 90 can make functional unit 14 operate time and the moving direction of coupling component 94 are left and right directions, the movement of therefore exporting transmission mechanism 90 or coupling component 94 can not hinder the parts of periphery, can guarantee reliably and direct of travel or the travel speed of the operations linkage of functional unit 14, improve operating efficiency.

And, the length of coupling component 94 is regulated, travel potentiometer 102 and transmission side potentiometer 122 are the length of detection reference position, thereby can be corresponding with neutral operating position simply, and easily the rigging position of decision means, has improved maintainability.

And, the detection position of potentiometer 102 or transmission side potentiometer 122 skew even if travel, in the time that the length of coupling component 94 is regulated, operator can easily carry out the correction of neutral operating position, and therefore the time shorten of interruption operation, has improved operating efficiency.

And, the mounting flange of the rotating fulcrum of support operation parts 14 200 212 is installed in to gripper shoe 211 by installing component 213, and between rotating fulcrum 200 and mounting flange 212, make the limiting part 215 that limits the rotation of rotating fulcrum 200 to mounting flange 212 imposed loads get involved and arrange, the operating position that can prevent functional unit 14 surprisingly changes, therefore can prevent anxious acceleration or anxious deceleration, carry out stable operation.

In addition, by installing component 213, mounting flange 212 is installed on to gripper shoe 211, thereby can take off in the lump rotating fulcrum 200 and limiting part 215 in the time taking off installing component 213, therefore reduced the man-hour of the apportioned effort while maintenance, and limit the regulating again of load of the rotation of rotating fulcrum 200 without limiting part 215, improved maintainability.

And, the double nut 217 that the load of limiting part 215 is regulated is set on rotating fulcrum 200, can operate and the required power of the operation of alter operation parts 14 double nut 217, therefore operator, without expending unnecessary power in the time of operation, can alleviate operator's work.Or functional unit 14, with lighter power action, can prevent that running vehicle body 2 from carrying out acceleration and deceleration above with needs, thereby carry out stable operation.

And, to connect the 1st drive link 141 of the operation of handover operation parts 16 transmission downwards and operate the coupking shaft 146 of the 2nd drive link 142 of secondary gear, bottom configuration towards body left and right directions in gripper shoe 211, thus can guarantee the assembly space portion of the 1st drive link 141 and the 2nd drive link 142.Thus, can guarantee the neutral width at the secondary gear of speed changer case 12 interior settings, need on the 1st drive link 141 and the 2nd drive link 142, length adjustment mechanism be set, therefore can simplify groove and make, realize the reduction of manufacturing cost.

And, by coupking shaft 146 be configured in specific output transmission mechanism 90 near body front side and below, thereby can prevent that the operation of functional unit 14 and the operation of handover operation parts 16 from interfering each other, thereby improved operability.

As shown in figure 16, in the bottom of the body rear side of above-mentioned front shroud 32, be provided with the brake pedal 150 for the brake operating of running vehicle body 2.This brake pedal 150 is configured to taking direction of principal axis as body left and right directions and is positioned at centered by near the pedal fulcrum 151 upper end and rotates freely and arrange, and operates end portion by operator with pin, carries out brake operating.

The brake pedal 150 of above-mentioned formation, via top brake lever 155, bottom brake lever 156, is connected with the brake axle 158 that makes brake device (the omitting diagram) work to front-wheel 10,10 and trailing wheel 11,11 generation brake force.

The upper end of above-mentioned top brake lever 155 is connected with near of the pedal fulcrum 151 of brake pedal 150, and top brake lever 155 is from extending downwards near the upper end of brake pedal 150.Thus, top brake lever 155 be configured to can follow brake pedal 150 rotation up and down direction move.And the rear end of above-mentioned bottom brake lever 156 is connected with the brake axle 158 that the position of the lower end near running vehicle body 2 arranges, and forwards extends from brake axle 158.

The lower end of above-mentioned top brake lever 155 and the front end of bottom brake lever 156, be all connected with balance plate 152.This balance plate 152 is installed on the side of speed changer case 12, centered by the plate fulcrum 153 taking direction of principal axis as body left and right directions, rotates freely and arranges., the front of this balance plate 152 speed changer case 12 in body frame 15 and the rear at the upwardly extending body frame 15 of body right and left arrange.

The end portion of above-mentioned top brake lever 155 is connected with the front side of the plate fulcrum 153 of balance plate 152, and the fore-end of bottom brake lever 156 is connected with the downside of the plate fulcrum 153 of balance plate 152.Thus, when top brake lever 155 is followed the rotation of brake pedal 150 direction is moved up and down, balance plate 152 is followed this to move and is rotated, bottom brake lever 156 can follow balance plate 152 rotation and forwards, backwards direction move.

The transmission system of above-mentioned brake operating is configured to, and the rotation of brake pedal 150 is transmitted to brake axle 158 via top brake lever 155, balance plate 152, bottom brake lever 156, can make brake axle 158 work.

And, by with the operations linkage of brake pedal 150 the balance plate 152 that rotates, the action of brake pedal 150 is transmitted to brake axle 158 sides, be installed in speed changer case 12, thereby can easily guarantee the assembly space portion of brake axle 158 and balance plate 152.Thus, the governor motion of length needn't be set in the bottom brake lever 156 being connected with balance plate 152 with brake axle 158, therefore can realize the simplification of formation, improve assembling or maintainability.

Claims (10)

1. a seeding transplant machine, is characterized in that, is configured to:

In the upper portion of travelling that arranges of running vehicle body (2), at the rear portion of this running vehicle body (2), seedling cultivation device (4) is set, be provided with to the speed change gear (23) of the portion of travelling and seedling cultivation device (4) transmission, be provided with the plantation clutch mechanism (112 that works disconnected to driving into of this seedling cultivation device (4), 115), the handover operation parts (16) of make-break operation are carried out in the transmission that is provided with the above-mentioned portion of travelling of subtend, be provided with and detect the location plantation detection part (101) of these handover operation parts (16) to the operation of assigned position

When this location plantation detection part (101) detects when above-mentioned handover operation parts (16) are operated in to assigned position, connect above-mentioned plantation clutch mechanism (112,115), and by the transmission from above-mentioned speed change gear (23), under the halted state of travelling that keeps the operation based on above-mentioned handover operation parts (16), make above-mentioned seedling cultivation device (4) drive.

2. seeding transplant machine according to claim 1, is characterized in that, is configured to:

Be provided with the functional unit (14) that above-mentioned speed change gear (23) is operated, be provided with operation based on this functional unit (14) and above-mentioned speed change gear (23) carried out to the output switching actuator (103) of variable speed operation, be provided with and switch above-mentioned plantation clutch mechanism (112,115) the plantation actuator (104) of break-make

Above-mentioned location plantation detection part (101) is set in the side of " neutral mode " position that above-mentioned handover operation parts (16) are stopped to above-mentioned transmission of travelling portion and seedling cultivation device (4), be provided with above-mentioned output switching actuator (103) and plant the control device (100) that actuator (104) is controlled

This control device (100), in the time aforesaid operations parts (14) being operated in to stop position and above-mentioned handover operation parts (16) are operated in to afore mentioned rules position, make above-mentioned output switching actuator (103) work and make speed change gear (23) speed change, and making above-mentioned plantation actuator (104) work and above-mentioned seedling cultivation device (4) is driven.

3. seeding transplant machine according to claim 1 and 2, is characterized in that,

Above-mentioned handover operation parts (16) are configured to, can operate in " road upper type " position that switches to the travel speed on applicable road at the upper secondary gear arranging of above-mentioned running vehicle body (2), switch to " Planting pattern " position of the travel speed in applicable farmland and make " neutral mode " position stopping to the transmission of the above-mentioned portion of travelling

Being configured to can be only from this " neutral mode " position operation in afore mentioned rules position.

4. seeding transplant machine according to claim 1 and 2, is characterized in that, is configured to:

In the time that above-mentioned location plantation detection part (101) becomes detected state afterwards through the stipulated time, cut off above-mentioned plantation clutch mechanism (112,115), or the output of above-mentioned speed change gear (23) is stopped.

5. seeding transplant machine according to claim 1 and 2, is characterized in that, is configured to:

Be provided with the rotation detection part (106) of the rotation of the plantation rotating shaft that detects above-mentioned seedling cultivation device (4), after above-mentioned location plantation detection part (101) becomes detected state, when this rotation detection part (106) detects the rotation of plantation rotating shaft, cut off above-mentioned plantation clutch mechanism (112,115), or the output of above-mentioned speed change gear (23) is stopped.

6. seeding transplant machine according to claim 1 and 2, is characterized in that,

In the time that above-mentioned location plantation detection part (101) detects continuously handover operation parts (16) to the operation of assigned position within the first stipulated time, making above-mentioned speed change gear (23) speed change is the first setting,

After this speed change gear (23) speed change is the first setting, when above-mentioned location plantation detection part (101) detects continuously handover operation parts (16) to the operation of assigned position within the second stipulated time, making above-mentioned speed change gear (23) speed change is the second setting.

7. seeding transplant machine according to claim 1 and 2, is characterized in that,

On " neutral mode " position of the transmission of the above-mentioned portion of travelling, the force application part (105) to above-mentioned handover operation parts (16) application of force is set in disconnection, in the time stopping above-mentioned handover operation parts (16) to the operation of above-mentioned assigned position, handover operation parts (16) move to " neutral mode " position, and above-mentioned location plantation detection part (101) becomes non-detection status.

8. seeding transplant machine according to claim 2, is characterized in that,

The operating axis of above-mentioned speed change gear (23) (98), towards the configuration of body fore-and-aft direction, is configured in above-mentioned output switching actuator (103) from above-mentioned speed change gear (23) and is offset to the position of body left and right directions,

The coupling component (94) that will connect the operating axis (98) of this output switching actuator (103) and speed change gear (23), configures towards body left and right directions from above-mentioned output switching actuator (103).

9. seeding transplant machine according to claim 8, is characterized in that,

Above-mentioned coupling component (94) is configured to and can changes length.

10. seeding transplant machine according to claim 8 or claim 9, is characterized in that,

Be provided with: the gripper shoe (211) that supports the above-mentioned functional unit that travels (14); Support the mounting flange (212) of the rotating fulcrum (200) of the above-mentioned functional unit that travels (14); Above-mentioned mounting flange (212) is installed on to the installing component (213) of above-mentioned gripper shoe (211); And between above-mentioned rotating fulcrum (200) and above-mentioned mounting flange (212), limit the limiting part (215) of the rotation of above-mentioned rotating fulcrum (200) to above-mentioned mounting flange (212) imposed load,

Be provided with the 1st drive link (141) that the operation of above-mentioned handover operation parts (16) is transmitted downwards, be provided with the 2nd drive link (142) to switching at the upper secondary gear arranging of above-mentioned running vehicle body (2), the upper side of the lower side of the 1st drive link (141) and the 2nd drive link (142) is connect via coupking shaft (146), this coupking shaft (146) is configured in to the downside of above-mentioned gripper shoe (211) and output switching actuator (103) and in body front side.