CN103988620A - Seedling transplanter - Google Patents

Abstract

The invention relates to a seedling transplanter comprising the following structures: a driving device; a seedling conveying portion conveying seedling; a seedling planting device planting the seedling, supplied to a planting position, in a farm field. The seedling conveying portion comprises an upper transverse conveying portion conveying the seedling in a left-right transverse direction; a dropping conveying portion combining with the upper transverse conveying portion to continuously convey seedlings to lower planting supply positions; a rising conveying portion combining with the dropping conveying portion so as to continuously conveying seedlings to a left and right direction of the machine body and a conveying starting end side of the upper transverse conveying portion. The rising conveying portion is configured to deviate to a left or right direction of the conveying starting end side being the upper transverse portion; the seedling planting device is made in a structure to clamp the seedling to the planting supply position and used for planting the seedling to the farm land through a regulated track motion; a liquid agent box used for storing liquid agent is arranged to deviate to an opposite direction of the seedling conveying portion left and right side, and only the seedling planting clamping piece on the deviation side of the seedling conveying portion is provided with a liquid agent discharge port.

Description

Seeding transplant machine

Technical field

The present invention relates to the seeding transplant machine that the seedling of the rattan shapes such as Ipomoea batatas seedling is transplanted.

Background technology

Be known to following seeding transplant machine, its structure is for to be provided with: the mobile devices that possess left and right front-wheel and left and right trailing wheel, the seedling conveying unit being formed by the seedling conveyance band of conveyance seedling, and will by the conveyance of seedling conveying unit, to the seedling of plantation supply position, be planted the seedling cultivation device in farmland, seedling conveying unit possesses: the upper lateral delivery section of the seedling of transverse direction conveyance to the left and right, with upper lateral delivery section continuously plantation downwards supply with the decline delivery section of position conveyance seedling, and with decline delivery section continuously to the rising delivery section of conveyance top side conveyance seedling that becomes the upper lateral delivery section of top, seedling cultivation device is made and is made the pair of right and left seedling plantation holder of planting the seedling of supplying with position in the rear side clamping of seedling conveying unit compared with the track action of long regulation, seedling be planted to the structure in farmland with front and back, near seedling plantation holder, arrange to the liquor outlet of discharging in farmland as the water of an example of liquor, than the position in the forward side of seedling conveying unit and left and right directions outside (right side), the liquor case of storing liquor (water) is being set, by carry the supply pipe of liquor from liquor case to liquor outlet, be arranged to through in seedling conveying unit.

This seeding transplant machine disposes seedling carrying base in the front side of seedling conveying unit.In addition, the left and right central authorities (position is supplied with in plantation position, plantation) that seedling conveying unit is configured to take body are offset to the left and right one side's side (left side) that becomes the conveyance top side of upper lateral delivery section for benchmark.In addition, liquor outlet is only arranged on the seedling plantation holder of in left and right and side opposition side seedling conveying unit skew.Seedling plantation holder comprises: the tubular axis portion consisting of pipe; And the tabular handle part of controlling seedling that is formed at the front end of axial region, by the hollow space of tubular axis portion, form continuously the liquor outlet (with reference to patent documentation 1) towards side.

Prior art document

Patent documentation

Patent documentation 1: the JP 2005-341833 of Japan communique

Summary of the invention

Problem of the present invention is to improve workability and plantation precision.

The present invention takes following technical measures in order to solve above-mentioned problem.

, the invention of scheme 1 is a kind of seeding transplant machine, it is characterized in that,

Arrange: mobile devices 4, the seedling conveying unit 5 of conveyance seedling, the seedling of supplying with position A to plantation by 5 conveyances of seedling conveying unit is planted to the seedling cultivation device 6 in farmland, and seedling conveying unit 5 possesses: the upper lateral delivery section 5a of the seedling of transverse direction conveyance to the left and right, with upper lateral delivery section 5a continuously plantation downwards supply with the decline delivery section 5b of position A conveyance seedling, and with decline delivery section 5b continuously to the left and right directions outside of body and become the rising delivery section 5c of conveyance top side conveyance seedling of the upper lateral delivery section 5a of upside, be configured to move to the left and right one side's lateral deviation that becomes the conveyance top side of upper lateral delivery section 5a, seedling cultivation device 6 is made and is utilized pair of right and left seedling plantation holder 31 clamp the seedling of plantation supply position A and with the track T action of regulation, seedling planted to the structure in farmland, the liquor case 124 of storing liquor is arranged to being offset with seedling conveying unit 5 left and right opposition sides, only at pair of right and left seedling, plant in holder 31, the seedling plantation holder 31 that is positioned at a side of seedling conveying unit 5 skews arranges near the liquor outlet 129 of discharging liquor to farmland of seedling plantation holder 31 or seedling plantation holder 31.

In addition, the invention of scheme 2, according to the seeding transplant machine described in scheme 1, is characterized in that,

Seedling plantation holder 31 comprises: the axial region 31a consisting of pipe; And the handle part 31b that controls seedling that is formed at the front end of axial region 31a, distolateral configuration handle part 31b in the left and right directions of axial region 31a, the hollow space that makes the tubulose of axial region 31a exposes towards the left and right outside of handle part 31b and forms liquor outlet 129.

In addition, the invention of scheme 3, according to the seeding transplant machine described in scheme 1 or 2, is characterized in that,

Seedling cultivation device 6 is made and is made the seedling plantation holder 31 of planting the seedling of supplying with position A in the rear side clamping of seedling conveying unit 5, with the track T action of regulation, seedling be planted to the structure in farmland, liquor outlet 129 is made together with seedling plantation holder 31 structure of discharging liquor to charging in soil to farmland, is configured to the moment that can discharge liquors from liquor outlet 129 be adjusted to the moment, the state of charging at Xiang Tuzhong at liquor outlet 129 of discharging when only liquor outlet 129 is in soil and not charge into the moment of discharging under the state in soil.

Effect of the present invention is as follows.

According to the invention of scheme 1, can be by seedling conveying unit 5 and liquor case 124 separate configuration the left and right at body, can make the left and right weight balancing of body good, and form more glibly the stream from a lateral deviation is moved to the left and right liquor case 124 to the liquor of liquor outlet 129, can make liquor discharge swimmingly and be supplied to farmland.

According to the invention of scheme 2, except the effect of the invention of scheme 1, owing to can utilizing the hollow bulb of the tubulose of axial region, assign to form liquor outlet 129, therefore make when can discharge swimmingly the structure of liquor, can manufacture at an easy rate the seedling plantation holder 31 that possesses liquor outlet 129, realization reduces costs.In addition, due to make liquor outlet 129 for left and right directions outside towards, the seedling that therefore can prevent clamping hangs over and is formed with on the axial region of liquor outlet 129 and the difference of height of handle part, improves plantation precision.

According to the invention of scheme 3, except the effect of the invention of scheme 1 or scheme 2, according to conditions such as the soil property in farmland, operating speeds, when the difficult obstruction liquor outlets 129 such as soil in farmland, liquor outlet 129 is discharged liquor only in soil time, can be to supplying with reliably liquor near seedling in soil.On the other hand, when the easy obstruction liquor outlets 129 such as soil in farmland, liquor outlet 129 is discharged liquor under the state of not charging in soil, at liquor outlet 129, does not charge under the state in soil, can make liquor flow swimmingly and prevent the obstruction of liquor outlet 129.

Accompanying drawing explanation

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

Fig. 2 is the vertical view of sensor.

Fig. 3 is the vertical view of seeding transplant machine.

Fig. 4 easily represents to judgement the front view of front-wheel rolling mechanism.

Fig. 5 easily represents to judgement the end view of the lifting mechanism of ridge guide wheel.

Fig. 6 means the part section vertical view of plantation transmission case and seedling cultivation device etc.

Fig. 7 means the local abridged end view of plantation transmission case and seedling cultivation device etc.

Fig. 8 means the vertical view of seedling transplanting portion.

Fig. 9 means the cross sectional side view of seedling transplanting portion.

Figure 10 means the vertical view of the mounting structure of seedling plantation holder.

Figure 11 means the enlarged drawing that prevents position skew guide of seedling transplanting portion.

Figure 12 (A) means track that when plantation spacing in the rows is maximum, hull bottom is planted and the end view of moving track, and Figure 12 (B) means the plantation spacing in the rows track that hour hull bottom is planted and the end view of moving track.

Figure 13 (A) means the track of tiltedly planting when plantation spacing in the rows is maximum and the end view of moving track, and Figure 13 (B) means track that plantation spacing in the rows hour is tiltedly planted and the end view of moving track.

Figure 14 means earthing wheel and presses the end view of land wheel.

Figure 15 is the rearview of stay hook.

Figure 16 means earthing wheel and presses the vertical view of land wheel.

Figure 17 means the part section rearview of earthing wheel.

Figure 18 means the rearview of seedling conveying unit.

Figure 19 means the vertical view of the seedling plantation holder in left side.

Figure 20 means the end view of the seedling plantation holder in left side.

Embodiment

An embodiment of the invention are below described.In addition, following embodiment is an embodiment all the time, does not limit the scope of claim.

The seeding transplant machine 1 of transplanting Ipomoea batatas seedling possesses the seedling conveying unit 5 of conveyance Ipomoea batatas seedling and the seedling cultivation device 6 in farmland by the seedling plantation being come by these seedling conveying unit 5 conveyances on the body that possesses mobile devices 4 and operating grip 2.Mobile devices 4 possess engine 3, transmit the power of this engine 3 and drive the pair of right and left trailing wheel 7 of rotation and the pair of right and left front-wheel 8 that rotates the place ahead that is supported on freely this trailing wheel 7.

At the rear portion of engine 3 configuration gearbox body 9, this gearbox body 9 has the housing parts extending to the left side side of engine 3 from its left side, and the left side of this housing parts and engine 3 links.The output shaft that becomes engine 3 enters this housing parts and to the structure of the transmission mechanism transferring power in gearbox body 9.In the left and right sides of gearbox body 9 portion, rotate transmission case 10 be installed freely, from the front end of gearbox body 9 wheel drive shaft that stretch out side two to the left and right enter this transmission case 10 center of rotation and to the travel power of use of the transmission mechanism transmission in transmission case 10.And, the power of the use of travelling via the transmission mechanism in transmission case 10, be delivered to body rear side extend and to the side, inner side of its rear end outstanding back axle 11, thereby trailing wheel 7 drives rotation.

On the installation portion of installing to gearbox body 9 at the transmission case 10 of left and right, left and right is installed respectively the arm 12 extending upward integratedly, the arm 12 of left and right links via linking part with the left and right sides portion of balancing pole 14, and this balancing pole 14 rotates around upper and lower axle center and is arranged on freely the piston rod front end that hydraulic cylinder 13 is used in the lifting of being fixed on gearbox body 9.The linking part on right side consists of bar, and the linking part in left side is controlled and formed with hydraulic cylinder 16 by left and right horizontal that can be flexible.

If lifting makes its piston rod outstanding to body rear with hydraulic cylinder 13 work, the arm 12 of left and right rearward rotates, and follows in this, and transmission case 10 rotates downwards, and body rises.On the contrary, if lifting is drawn in to body the place ahead with the piston rod of hydraulic cylinder 13, the arm 12 of left and right forwards rotates, and follows in this, and transmission case 10 rotates upward, and body declines.This lifting is configured to as follows and works with hydraulic cylinder 13,, the testing result based on detecting the sensor 17 of the ridge upper level of body, make body reach setting height with respect to ridge upper level, in addition, also be configured to as follows and work, by being configured near the manual operation of the plantation elevating lever 18 of operating grip 2, making body increase or decline.In addition, above-mentioned plantation elevating lever 18 carries out the operation of break-make of the driving of seedling cultivation device 6 and seedling conveying unit 5.In addition, the main clutch in the side setting operation gearbox body 9 of plantation elevating lever 18 and the main clutch bar 19 that can carry out the make-break operation of travelling of mobile devices 4.

Sensor 17 is that the tabular main grounded part 17a that left and right width is large contacts with the little bar-shaped secondary grounded part 17b of left and right width extending from main grounded part 17a to rear side the structure that the height of farmland face is detected in farmland, and is that main grounded part 17a and secondary grounded part 17b rotate the structure of the height that detects farmland face integratedly up and down.Main grounded part 17a is configured in than the forward side of seedling conveying unit 5, and secondary grounded part 17b is configured in left and right middle position and the position being offset to left and right one side's side (left side) of planting supply position A of main grounded part 17a and when slave body side surface is observed, is the lower position of the rising delivery section 5c of seedling conveying unit 5.

In addition, if left and right horizontal is controlled, with hydraulic cylinder 16, carry out expanding-contracting action, the transmission case 10 in left side rotates up and down and the trailing wheel 7 in left side is moved up and down, and body is tilted to the left and right.Left and right horizontal is controlled and is configured to as follows and works with hydraulic cylinder 16, the testing result, based on detection body with respect to the sensor that tilts of the pendulum-type tilting of left and right horizontal, and making body is left and right horizontal.

Front-wheel 8 rotations of left and right are arranged on front axle 22 freely, this front axle 22 is fixed on the bottom of the arm portion 21 extending to the below of the left and right sides portion of front-wheel support frame 20, and this front wheel supporting framework 20 rotates around the axle center of fore-and-aft direction the left and right middle position that is arranged on freely engine 3 belows.Therefore, the front-wheel 8 of left and right rotates around the axle center of the fore-and-aft direction of the left and right of body central authorities Free-rolling.In addition, by limiting roll limited part 60 of the banking pin of the roll rotational of front wheel supporting framework 20, insert and be arranged in the frame section of body side and the hole of front wheel supporting framework 20, thereby can as benchmark, there is no under the state of left and right difference in height fixedly front wheel supporting framework 20 take body, can be obliquely and have ridge tracing ability and a rectilinear propagation in the farmland of difference of height in left and right.Become when common front wheel supporting framework 20 is rolled, rolling limited part 60 is only inserted to the structure in the standby hole of front wheel supporting framework 20 sides.

In the front side of front wheel supporting framework 20, can support rotationally from this front wheel supporting framework 20 and use gripper shoe 61 and the ridge guide support axle 62 of direction extension to the left and right via ridge guiding.Via each ridge guide support framework 63 of the left and right of forwards extending from this ridge guide support axle 62, support the ridge guide wheel 64 of left and right.Ridge guide wheel 64 is free pulleys, is with the contacts side surfaces with ridge and makes body copy ridge and known structure that the mode of travelling guides.In lifting, with between the piston rod and ridge guide support axle 62 of hydraulic cylinder 13, link interlock hawser 65.In addition, the unimpeded mechanism of above-mentioned piston rod and the interlock hawser 65 unimpeded spring 66 by compression etc. links, and the locking that prevents from unloading waits the breakage of interlock hawser 65 grades that cause.When body turns round etc., the trailing wheel 7 that makes left and right moves downward and while making body increase to lifting position, follow the piston rod of hydraulic cylinder 13 side shifting backward for lifting, interlock hawser 65 interlocks and being pulled, ridge guide support axle 63 rotates, the ridge guide support framework 63 of left and right moves upward, and the ridge guide wheel 64 of left and right be take body and risen as benchmark.

Operating grip 2 is arranged on the rearward end that leading section is fixed on to the handle framework 23 of gearbox body 9.Handle framework 23 is configured in from the position on the left and right central authorities deflection right side of body, and rearward extends, and, from front and back pars intermedia, to oblique back upper place, extend.Operating grip 2 extends and handle portion 2a, 2a using its each rearward end as operating grip 2 to the left and right and rearward from the rearward end of handle framework 23.Handle portion 2a, the 2a of the left and right of operating grip 2 are set in suitable height, so that operator easily grasps this handle portion 2a, 2a.In addition, in legend, make the structure that handle portion 2a, 2a is divided into left and right, but also can be by the mutual left and right link of the rearward end of the left and right of operating grip 2 and using its linking portion as handle portion.

Seedling cultivation device 6 comprises: have the seedling transplanting portion that seedling is planted holder 31 and made the mechanism of its switching; And the link mechanism R that makes this seedling transplanting portion action.The drive division of the link mechanism R of driving seedling cultivation device 6 is arranged on the plantation transmission case 32 of in-built transmission mechanism, and this transmission mechanism drives the power of use and carries out transmission from the interior link mechanism R that accepts of gearbox body 9.Plantation transmission case 32 has: its first housing section 32a that rear portion links and oblique upper extends backward anterior and gearbox body 9; Be fixed on the second housing section 32b of the upper left-hand portion of this first housing section 32a and side extension left; And be fixed on the left part of this second housing section 32b and the 3rd housing section 32c extending to the below of retreading.

By transmitting the power shaft 67 from the fore-and-aft direction of the power in gearbox body 9, to transmission in the first housing section 32a.Transmission mechanism in the first housing section 32a is described, become following structure,, from power shaft 67 via bevel-gear sett 68 the first axle 70 transmissions of direction to the left and right, from the first axle 70 via the first drive sprocket 71, the first chain 72 and the first driven sprocket 73 to the second axle 69 transmissions, from the second axle 69 via the second drive sprocket 74, the second chain 75 and the second driven sprocket 76 to plantation clutch 78 transmissions the plantation clutch shaft as power transmission shaft (the 3rd axle) 77.Plantation clutch 78 is known structures that assigned position that the phase place in regulation disconnects transmission stops clutch, make seedling that from then on seedling cultivation device 6 take out here in clamping before prescribed phases (position) stop.If plantation clutch 78 is drive states, this plantation clutch 78 rotates with plantation clutch shaft 77 one.On the other hand, from the second axle 69, via the different spacing in the rows gear 80 that possesses many groups of (three groups) constant speed gear mesh of gearratio, make constantly to take out cam 81 and drive rotation, by the moment, taking out cam 81 contacts this is taken out constantly with arm 82 rotations with arm 82 with taking-up constantly, remove the restriction of constantly taking out 78 pairs of non-drive positions of plantation clutch of carrying out with arm 82, plantation clutch 78 becomes drive state, revolves and turns around.If plantation clutch 78 revolves, turn around, again constantly taken out with arm 82 restrictions and become non-drive state.Spacing in the rows gear 80 utilizes spacing in the rows speed change alternatively to select the many groups of one-to-manies in (three groups) constant speed gear mesh with slide key 83, utilizes the transmission of selected constant speed gear mesh to drive and takes out cam 81 constantly.Therefore, become following structure,, by selection, utilize the different constant speed gear mesh of gearratio, switching instant takes out the actuating speed of cam 81, by switching, plants the moment that clutch 78 becomes drive state, switches plantation spacing in the rows.

Plantation clutch shaft 77 from the first housing section 32a by extending in the 3rd housing section 32c in the second housing section 32b.Transmission mechanism in the 3rd housing section 32c is described, and is that variable speed travelling gear 85 is to the 4th axle 86 transmissions from plantation clutch shaft 77 via a pair of constant speed travelling gear 84 or a pair of eccentric gear.In addition the transmission switching mechanism 87 that, the gear that carries out transmission is alternatively switched to a pair of constant speed travelling gear 84 or a pair of variable speed travelling gear 85 consists of the switch clutch being arranged on the 4th axle 86 between a pair of constant speed travelling gear 84 and a pair of variable speed travelling gear 85.Therefore, transmission switching mechanism 87 becomes and in the drive path to seedling cultivation device 6, switches to the constant speed drive state of constant speed transmission with the structure of the variable speed drive state of variable speed transmission.And, become from the 4th axle 86 via the 3rd drive sprocket 88, the 3rd chain 89 and the 3rd driven sprocket 90 to plantation driving shaft (the 5th axle) 91 transmissions, utilize plantation driving shaft 91 to drive the actuating arm described later 34 of the link mechanism R of seedling cultivation device 6, thereby drive the structure of seedling cultivation device 6.

In addition, the 3rd housing section 32c rotates freely and arranges at above-below direction centered by the power shaft of the 3rd housing section 32c plants clutch shaft 77, and seedling cultivation device 6 and seedling conveying unit 5 be take mobile devices 4 as benchmark rotation setting freely up and down together with the 3rd housing section 32c.

The support frame 38 that setting is fastened on the 3rd housing section 32c and rearward extends, the link mechanism R of seedling cultivation device 6 comprises: the actuating arm 34 that drives rotation by the transmission from the 3rd housing section 32c; Leading section is attached at the support links portion 36 on actuating arm 34; And the link rearward end of support links portion 36 and the swing link rod 37 of support frame 38.From body left side, observe, actuating arm 34 is to right rotation.The seedling transplanting portion being supported by support links portion 36 moves, the seedling plantation holder 31 of the leading section in seedling transplanting portion (rearward end) protrudes in soil above roughly, in soil, side shifting moves by side to bottom dead center position on one side backward downwards on one side, with the upside at the track of side shifting backward by near the mode this track, side shifting side shifting upwards on one side forward on one side, carry out the action of exiting of exiting in soil, in the mode of track T longer before and after being depicted in, move.In addition, this track T is the movement locus (quiet track) that seedling plantation holder 31 is described with respect to body, and the movement locus that the farmland that seedling plantation holder 31 advances while travelling with respect to body is described is moving track T'.

With support links portion 36 integratedly mobile seedling transplanting portion comprise: be attached at a pair of holder frame 41 on the connection shaft 40 being supported by support links portion 36; Be fastened on the leading section of this holder frame 41 and a pair of seedling plantation holder 31 of clamping seedling; And that be arranged on holder frame 41 and bearing 42b above-mentioned seedling plantation holder 31 opposition sides.By being arranged on switching, with the teat 43a of the side of cam 43, contact with bearing 42b, thereby the space of a pair of seedling plantation holder 31 expands.Namely, a pair of holder frame 41 rotates around connection shaft 40 mutually, thereby the interval of a pair of seedling plantation holder 31 expands.Therefore, become by switching cam 43, a pair of seedling plantation holder 31 clamps seedlings or removes the structure of this clamping.In addition, between a pair of holder frame 41, extension spring 44 is set, afterburning to direction close to each other by 44 pairs of a pair of seedling plantation holders 31 of this extension spring.In addition, nick is set on opposed of seedling plantation holder 31, easily clamps seedling.

Open and close the front that is fastened on actuating arm 34 with cam 43, with actuating arm 34 one rotations.Therefore, if open and close with cam 43, rotate, at the moving track T' of the track T(of plantation) lower dead center near, open and close with the teat 43a of cam 43 and contact with bearing 42b, the leading section of a pair of seedling plantation holder 31 is to opening direction action, then, at seedling plantation holder 31, arrive the moment that position A is supplied with in plantation, bearing 42b surpasses teat 43a, by extension spring 44 reinforcings between a pair of holder frame 41, this leading section moves to closing direction, position A (is supplied with in plantation in the bottom of the rattan of the Ipomoea batatas seedling of clamping in plantation supply position A, Ipomoea batatas seedling is towards fore-and-aft direction, therefore be end thereafter).And, seedling plantation holder 31 is configured to, under the state by these seedling plantation holder 31 clamping seedlings, by the rotation of actuating arm 34, while the lopsidedness that dumps forward of posture before and after making, move, in the time of in seedling is placed into the soil, its front end is rearward moved, until the moving track T' of plantation track T(plantation) near lower dead center, near above-mentioned lower dead center, the teat 43a of cam 43 contacts with bearing 42b again, the leading section of a pair of seedling plantation holder 31 is opened, and puts down the seedling of clamping and is implanted in soil.

In addition, the installation phase place by the switching in change actuating arm 34 with cam 43, can change the moment that seedling plantation holder 31 is opened the clamping of seedlings.Therefore, while can confirm that plantation state suitably regulates seedling plantation holder 31 to the length of inserting the rattan of seedling in soil, realizes the raising of plantation precision.By change, open and close the installation phase place with cam 43, the moment of seedling plantation holder 31 clamping seedlings also can change, but is set as not having the out of order moment in the clamping of planting the seedling of supplying with position A.In addition, also can make change to open and close and switch with cam 43 or teat 43a etc., not change the moment of seedling plantation holder 31 clamping seedlings, only change the structure in the moment that seedling plantation holder 31 is opened the clamping of seedlings.

In addition, owing to utilizing seedling conveying unit 5 described later to supply with position A with the posture towards fore-and-aft direction to plantation, supply with Ipomoea batatas seedling, therefore seedling cultivation device 6 is transplanted Ipomoea batatas seedling towards the posture of fore-and-aft direction with former state in soil, transplants the rattan of Ipomoea batatas seedling with the posture with respect to soil face tilt.Because seedling cultivation device 6 moves and plants on the plantation track T extending to the back lower place, so seedling is planted to roll forward oblique state.Like this, become hull bottom plant if the change of leaning forward of the plantation posture of seedling is large, the root of seedling easily stretches out a plurality of, the number of the Ipomoea batatas of cultivation increases, when the cultivation Ipomoea batatas of processing etc. etc., even if the size of each Ipomoea batatas is less, also useful a plurality of Ipomoea batatas in the situation that in cultivation.

At the moving track T' of plantation track T() lower dead center near open and a pair of seedling plantation holder 31 of clamping of removing seedling while making its posture lopsidedness side shifting forward that further dumps forward, at this, move in way on one side a side that forms vertical posture to rotation and change and tilt forward and back posture and work on one side, when forwards moving, rise and from soil, extract exit action.Therefore, seedling plantation holder 31 is charged into track and approaches from the track that exits exiting in soil due to what charge in soil, therefore can not make the plantation hole in farmland excessively become the earth and suitably carry out the plantation of seedling.

Track T(shown in legend moves track T ') be the track while utilizing transmission switching mechanism 87 that the transmission to seedling cultivation device 6 is switched to constant speed drive state.Become following structure,, when utilizing transmission switching mechanism 87 to switch to variable speed drive state, actuating arm 34 is with variable speed rotation, and the speed on the track T in soil during to the side shifting backward of bottom dead center position becomes slightly fast, and seedling becomes longer to the intubating length in soil.

Track T(shown in legend moves track T ') on circle mark represent actuating arm 34 rotatable phase every 15 degree positions.In addition, in legend, while having represented spacing in the rows is set as hour and is set as maximum, regardless of the change of spacing in the rows, all identical as the track T of quiet track, the change by spacing in the rows changes is track T '.From legend, when planting for hull bottom, when the responsiveness of the front end of seedling plantation holder 31 is compared over the side shifting forward of bottom dead center position, faster during to the side shifting backward of bottom dead center position in soil.Thus, can strengthen in soil to the bottom dead center position amount of movement of side shifting backward, can carry out hull bottom cultivation.

When swinging the link fulcrum of link rod 37 to support frame 38 and be switched to the position of rear downside, track T(move track T ') (height becomes greatly, and the front and back amplitude in soil diminishes to have the tendency erecting a little.), become the oblique cultivation of inclination plantation state.This is tiltedly planted with hull bottom and plants and compare, although the number of the Ipomoea batatas after cultivation tails off, it is large that the size of each Ipomoea batatas becomes, and is suitable for the cultivation of conventionally edible Ipomoea batatas.

At the rear of seedling cultivation device 6, be set to the earthing wheel 92 of pair of right and left earthing part.This earthing wheel 92 is free pulley, and the soil of the side, left and right of the seedling that contacts with soil face and plant is covered in to seedling and presses, and from the rearward end of support frame 38, via earthing wheel support frame 92, arranges.Therefore, become following structure,, by the ground connection of this pair of right and left earthing wheel 92, support seedling cultivation device 6 and seedling conveying unit 5 that the plantation clutch shaft that becomes power shaft 77 around the 3rd housing section 32c of plantation transmission case 32 rotates, seedling cultivation device 6 and seedling conveying unit 5 are followed the concavo-convex of farmland face and are swung and maintain with respect to farmland face the height of regulation.Between support frame 38 and handle framework 23, the stable spring 93 of using that makes swinging up and down of seedling cultivation device 6 and seedling conveying unit 5 stable is set, become and utilize this stable structure that hangs seedling cultivation devices 6 and seedling conveying unit 5 with spring 93.In addition, seedling cultivation device 6 and seedling conveying unit 5 can also be fixed as and not swing up and down.Therefore, the Gravitative Loads of seedling cultivation device 6 and seedling conveying unit 5, in earthing wheel 92, acts on thereby can utilize earthing wheel 92 to obtain pressing fully.In addition, earthing wheel support frame 94 is the frameworks at the upwardly extending tubular of upper and lower, in the inside of earthing wheel support frame 94, be provided with the up-down adjustment that is formed with externally threaded upside at outer peripheral face and take turns installation frame 96 with rotating shaft 95 and the earthing that forms female downside.Earthing wheel installation frame 96 become top can along earthing take turns that support frame 94 slides up and down but by the structure of angle axle non-rotary structure, bottom branches into left and right two forks, and the mode that left and right two forks after branch divide to rotate is freely installed left and right earthing wheel 92.And up-down adjustment is that the rotary manipulation of earthing part height adjustment operation part 97 rotates via highly regulating with bevel gear 98 transmission with rotating shaft 95 with the rotary handle of the height of the upper end of rotating shaft 95 by being configured in up-down adjustment.Therefore, become by the operation of earthing part height adjustment operation part 97, rotating shaft 95 rotations for up-down adjustment, earthing wheel installation frame 96 move up and down and regulate the structure of the height of earthing wheel 92.In addition,, on the top of earthing wheel installation frame 96, be provided as dial and the show tags 99 of target of the height and position of earthing wheel 92.Earthing part height adjustment operation part 97 tilts to the right side with left and right one side's side of operating grip 2 and rearward i.e. right tiltedly rear extension, the operating handle 97a of earthing part height adjustment operation part 97 becomes between the handle portion 2a of the left and right that is configured in operating grip 2 when overlooking body, and near the structure below of operating grip 2 or below.In addition, above the plantation track T of seedling cultivation device 6, dispose earthing wheel 92, because the position relationship of the seedling after earthing wheel 92 and plantation approaches the close contact that becomes, can suitably maintain the pressure ground of earthing wheel 92, can access good pressure ground effect.

Between the earthing wheel 92 of left and right, arrange move downward and press seedling after plantation above soil become the pressure land wheel 100 of pressing ground part.The diameter of pressing land wheel 100 is taken turns 92 little than earthing, under the pressure ground state moving downward, include the earthing of left and right in and take turns in 92 when slave body side surface is observed, and be configured in that to take the axis of rotation of earthing part 92 be the benchmark position that lateral deviation is moved backward.Press land wheel 100 to be arranged on the pressure ground framework 101 rotating up and down centered by fulcrum shaft 101a set on support frame 38, be provided with and compare the cam rollers 103 that fulcrum shaft 101a is configured in more forward side, with regard to pressing ground framework 101, cam rollers 103 from the pressure of lower side contacts and actuating arm 34 one rotations with cam 102, utilize when pressing ground to be limited to move downward the rotation of side with the driving of cam 102, by the pressure that contacts with cam rollers 103 with the diameter of cam 102, change, thereby move up and down.Therefore, press land wheel 100 and press the deadweight of ground framework 101 to act on farmland as pressing soil fertility.By this, press land wheel 100, can after the seedling of plantation, press this seedling directly over soil.In addition, by the effect of pressing of this pressure land wheel 100, correct upward in seedling on the ground, seedling contacts and suppresses to produce obstacle due to the heat of mulch film with the mulch film being laid on the face of farmland.In addition, press ground framework 101 to possess to utilize dual frame structure and the flexible 101b of telescopic adjustment portion forwards, backwards, the flexible of front and back by the 101b of telescopic adjustment portion can regulate the front and back position of pressing land wheel 100.In addition the pressure land wheel of target that, is provided as the front and back position of pressing land wheel 100 at the 101b of telescopic adjustment portion is with dial and press show tags 104 for land wheel.In addition, at support frame 38, the stay hook 105 as fixture that does not make to press ground framework 101 to move up and down and be fixed on the position that moves upward is set.Stay hook 105 is following structure: be arranged to centered by the axle 105a of fore-and-aft direction, to rotate up and down, be disposed at when making to press land wheel 100 work, make stay hook 105 to the rotation of oblique upper right side, leave the position of the pivot region up and down of phase specific pressure ground framework 101 this pressure ground framework 101 more on the right side, press framework 101 utilizations in ground to press ground can rotate up and down with cam 102.On the other hand, when not making to press land wheel 100 work, make stay hook 105 rotate and pressures ground framework 101 is hung on this stay hook 105 to downside, do not allow cam rollers 103 contact rotations pressure with cam 102, pressure land wheel 100 is fixed on to the position of leaving upward from ground.

In addition, the fastening scraper plate of downside at support frame 38 supports with plate 106, bottom being arranged at the scraper arm 107 rotating centered by the scraper plate rotating fulcrum axle 107a of scraper plate support with plate 106, arranges the scraper plate 108 consisting of the plate as elastomeric rubber system.Two in left and right positions of scraper plate 108 possess the switch-in part entering from front side, enter the switch-in part of left and right by each seedling of left and right plantation holder 31, remove the soil on each two sides, left and right, left and right of the seedling plantation holder 31 that is attached to left and right.Between the top of the top side of scraper plate rotating fulcrum axle 107a than scraper arm 107 and the scraper plate of its rearward position support with plate 106, be provided as the augmentor 109 of extension spring, by augmentor 109, scraper plate 108 to front side by reinforcing.On the other hand, on swing link rod 37, roller 110 for scraper plate work is set, seedling plantation holder 31 to charging in soil towards the moving track T ' of track T() bottom dead center position backward during side shifting, roller 110 bottom of side contacts scraper arm 107 is in the past used in scraper plate work, the bottom that makes this scraper arm 107 is side shifting backward, makes scraper plate 108 forcibly to from the moving track T ' of track T() side left keeps out of the way.And, at seedling plantation holder 31, from soil, exit and exiting in moving process of side shifting forward, roller 110 side shifting and leaving from the bottom of scraper arm 107 forward for scraper plate work, by the reinforcing of augmentor 109, the bottom of scraper arm 107 is side shifting forward, and scraper plate 108 is moved on the track T of front side.Thus, scraper plate 108 becomes following structure: a side of forcibly leaving from track T when seedling plantation holder 31 is planted seedling in soil is kept out of the way, above-mentioned, exit in moving process, by the reinforcing of augmentor 109, on track T, move, the side (front side) that augmentor 109 exits and moves to seedling plantation holder 31 is to scraper plate 108 reinforcings.

Seedling cultivation device 6 is elaborated, this seedling cultivation device 6: a pair of seedling plantation holder 31 with the seedling of clamping rattan shape; And be connected and a pair of seedling is planted to a pair of holder frame 41 that holder 31 carries out opening and closing operations with this seedling plantation holder 31.And seedling plantation holder 31 and holder frame 41 are by vertical composition surface V combination.Vertical composition surface V moves track T ' with the track T(of seedling plantation holder 31) parallel roughly vertical.According to said structure, can easily carry out the upper and lower setting angle of seedling plantation holder 31 and the adjustment of planting depth.In addition, two bolts that are arranged on the engage base of seedling plantation holder 31 are made as to slotted hole with the hole of planting the front end of holder 31 in hole, near seedling.By above-mentioned structure, can add the adjustment surplus of claw of the front end of seedlings plantations holder 31.

In addition, the engage base that seedling is planted to holder 31 is made the structure of L font, and bolt 151 is adjusted in the position that namely face vertical with vertical composition surface V is provided for carrying out the position of seedling plantation holder 31 adjusting along vertical composition surface V above limit of this L font structure and holder frame 41.According to said structure, easily carry out the seedling plantation setting angle of holder 31 and the inching of planting depth.In addition,, although make the structure that the top of bolt 151 in holder frame 41 adjusted in position, also can make below in holder frame 41 or the structure of side.

In addition, seedling plantation holder 31 is made the structure of installing to the vertical composition surface V of the inner side in two holder framves 41, and makes by sandwich the clampings such as pad between it and press adjustment component 154 and can adjust seedling and plant the structure that the clamping of holder 31 is pressed.By said structure, can make seedling transplanting portion integral body become compact, and can clamp the inching of pressing.In said structure, use pad to press adjustment component 154 as clamping, but also can make the structure of using spacer etc. to there is certain thickness member.

The spring fitting pin 155 that two supporting extension springs 44 are set above holder frame 41, sets up extension spring 44 to apply chucking power at opposed holder frame 41.And above-mentioned position is adjusted bolt 151 and is arranged on the position of avoiding two spring fitting pins 155 while overlooking.In said structure, position is adjusted bolt 151 and is made the central structure that is arranged on two spring fitting pins 155, but also can be arranged on than a side of the front end of the two more close seedling plantation of spring fitting pin 155 holders 31.

Holder frame 41 is by forming with combination base portion 41a and the column sections 41b of seedling plantation holder 31.This column sections 41b passes through weldment one engaged at end in above-mentioned combination base portion 41a.In addition, the combination base portion 41a corresponding with left and right seedling plantation holder 31 and graft union, the left and right F of column sections b form in the mode mutually staggering on above-below direction.The connection shaft 40 that becomes the on-off action fulcrum of holder frame 41 is positioned at the length direction substantial middle portion of column sections 41b, can be rotationally in conjunction with a pair of holder frame 41 centered by connection shaft 40.In addition, in the other end of column sections 41b, grease-enclosed bearing 42b is set, the periphery of this bearing 42b and cam 43 butts for switching, bearing 42b uses the teat 43a of cam 43 to become greatly by switching in mutual interval, adds thus the interval of seedlings plantation holder 31.As mentioned above, by graft union F is mutually staggered on above-below direction, can make the structure that column sections 41b is being coincided with the upper and lower in connection shaft 40 parts., by holder frame 41 being made to more simple structure, can being realized, reduce costs etc.

Connection shaft 40 is fixing by the connection shaft support 152 with support links portion 36 combinations, and this support links portion 36 forms link mechanism R, and makes seedling plantation holder 31 produce seedlings plantation action.In addition, in support links portion 36, and with connection shaft support 152 adjoining positions, what constraint holder frame 41 knee-actions were set prevents position skew guide 153.By the position of mutually staggering, sandwich the column sections 41b of holder frame 41 on above-below direction, thus the action of the above-below direction of constraint column sections 41b.In addition, be configured between column sections 41b and there is up and down gap.By forming as described above, the position skew of the seedling plantation holder 31 that can prevent from being combined with the front end of holder frame 41.In addition, preventing, on position skew guide 153, gusset plate 156 is set, and making in order to ensure maintenance property the structure that can dismantle.In addition, between the connection shaft 40 and column sections 41b that are fixed on connection shaft support 152, arrange and two metal sleeves 157 that column sections is consistent respectively.

Seedling conveying unit 5 consists of seedling conveyance band, this seedling conveyance band comprises: on seedling conveyance direction C, possess a plurality of with rattan the seedling folding and unfolding body 26 towards the seedling folding and unfolding portion that becomes of the posture folding and unfolding Ipomoea batatas seedling of fore-and-aft direction, and at the upper lateral delivery section 5a of this seedling folding and unfolding body 26 of body upper side direction right conveyance; Decline delivery section 5b by from the seedling folding and unfolding body 26 being come by this upper lateral delivery section 5a conveyance to body below conveyance; And by the seedling folding and unfolding body 26 being come by this decline delivery section 5b conveyance to body top conveyance and return to the rising delivery section 5c of the conveyance top side of above-mentioned upper lateral delivery section 5a, along the conveyance path conveyance seedling folding and unfolding body 26 of single ring-type.In addition, upper lateral delivery section 5a is configured to and is projected into than the front-wheel in left side 8 and trailing wheel 7 more to the left, and left end becomes the outermost end in the left side of body.In addition, in the pars intermedia setting of rising delivery section 5c, make the seedling conveyance band jockey pulley 111 of deflection inside direction to the left and right, thus, become the structure that rising delivery section 5c does not interfere with the trailing wheel 7 in left side.In addition, the backend arrangement of above-mentioned upper lateral delivery section 5a is more being leaned on the position of rear side than the front-wheel in left side 8 and trailing wheel 7.Therefore, operator supplies with seedling at the trailing wheel 7 in left side and the rear side of upper lateral delivery section 5a to this upper lateral delivery section 5a.The above-mentioned conveyance path upper lateral delivery section 5a when observing in side that tilts is positioned at rear side, near the seedling folding and unfolding body 26 of the position configuration upper lateral delivery section 5a operator of the rear side in seedling conveying unit 5, so that operator easily carries out supplying with operation to the seedling of the seedling folding and unfolding body 26 of the 5a of top lateral transfer portion.In addition, seedling cultivation device 6 by the seedling plantation of seedling folding and unfolding portion 26 that utilizes above-mentioned decline delivery section 5b to supply with position A conveyance to the plantation of the upper/lower positions of the conveyance track of seedling conveying unit 5 in farmland.In addition,, at above-mentioned decline delivery section 5b, in the mode being supported by support component 46, be provided with to the seedling of seedling folding and unfolding portion 26 interior guiding seedlings and fall and prevent plate 45 at an upper portion thereof, in order to avoid seedling falls.

Above upper lateral delivery section 5a, be provided with the seedling limit rod 112 of left and right directions.Therefore, operator is by being only placed on the rattan of seedling the upside of seedling limit rod 112 at upper lateral delivery section 5a, a crooked side for the rattan of seedling becomes downside, to the lower end of the rattan with the crooked same side bending of rattan, become the state of downward lateral bend, can to seedling folding and unfolding body 26, supply with seedling with desired state described later thus.

In addition, the rearward end on the surface of seedling folding and unfolding body 26 (outer peripheral face) possesses clamping and keeps the clamping element 49 as seedling keeper of rearward end of the rattan of seedling.The pair of right and left cramping body that clamping element 49 is projected upwards by the supporting board 47 from seedling conveyance band forms.In addition, a side of above-mentioned pair of right and left cramping body forms by having flexible spongiform resin, and the brush that the opposing party has again softness forms, in order to avoid the rattan of the seedling of damage clamping.By operator, seedling is pressed into downwards, thereby seedling is clamped and is fixed by pair of right and left cramping body.

Seedling conveyance band around hang over be arranged at upper right front and back driven roller 113, be arranged at left and right first driven voller 114 of bottom and be arranged on the second driven voller 115 of upper left-hand, by the driving of driven roller 113, rotate.In addition, between the first driven voller 114 of left and right, seedling conveyance band is at left and right general horizontal direction conveyance seedling, but divides and be set with the plantation that seedling cultivation device 6 clamped and took out seedling and supply with position A in this conveying unit.On the other hand, at the back side of seedling conveyance band (inner peripheral surface), in the central rearward position of the width (fore-and-aft direction) than this seedling conveyance band, form along the outstanding guide ribs 116 as ridge of the direction of rotation of this seedling conveyance band.At first driven voller 114 corresponding with this guide ribs 116 and the position of the second driven voller 115, be formed with groove 117, by guide ribs 116, coordinate with groove 117, prevent the position skew of the fore-and-aft direction of seedling conveyance band.In addition, in said structure, guide ribs 116 has been made to ridge, but also guide ribs 116 can have been done to grooving bar, at the first driven voller 114 and the second driven voller 115, formed the protuberance coordinating with guide ribs as above-mentioned groove bar.

Lower end is attached to the one-way clutch that the upper end that swings the trace 66 on link rod 37 is attached at the driving axial region of the driven roller 113 before and after being arranged at.Therefore, in the work of seedling cultivation device 6, when swinging link rod 37 swing, trace 66 moves back and forth up and down, and the driven roller 113 of front and back intermittently drives by one-way clutch, so that seedling conveyance band moves to seedling conveyance direction.The intermittently driving of this seedling conveyance band is following structure, when the seedling plantation holder 31 clamping seedling of seedling cultivation device 6, stops, driving beyond it time.Thereby while planting in soil due to the seedling plantation holder 31 clamping seedlings declines at seedling cultivation device 6, seedling folding and unfolding body 26 stops, and therefore seedling can be taken out and seedling is suitably planted farmland from seedling folding and unfolding body 26 swimmingly.

In the front side of seedling conveying unit 5, from the first housing section 32a of plantation transmission case 32, via seedling carrying base support frame 81, seedling carrying base 82 is set.With folding and unfolding, at the state in folding and unfolding case etc., Ipomoea batatas seedling is positioned on this seedling carrying base 82, by the seedling on seedling carrying base 82, the upper lateral delivery section 5a to seedling conveying unit 5 supplies with operator.The rearward end of seedling carrying base 82 is configured to the leading section near upper lateral delivery section 5a, realizes the simplification that supplements seedling to the 5a of top lateral transfer portion.

The standby seedling folding and unfolding portion 118 of the cage shape of the standby seedling of folding and unfolding is set in the left side side of upper lateral delivery section 5a in addition.Standby seedling folding and unfolding portion 118 is by supporting with seedling folding and unfolding portion support frame 119 around the backup of the center rotating of the second driven voller 115.If standby seedling folding and unfolding portion support frame 119 is rotated to the left and right directions inner side (right side) of body, standby seedling folding and unfolding portion 118 is moved to the reception position that is positioned at the top of upper lateral delivery section 5a, can dwindle body width.Stop is crossed by rotation to the right by standby seedling folding and unfolding portion 118, standby seedling folding and unfolding portion support frame 119 be arranged on taking in limiting section 120 on body and contact and remain on reception position.At this reception position, standby seedling folding and unfolding portion 118 does not also interfere with seedling conveyance band and the clamping element 49 of seedling conveying unit 5, can drive seedling conveying unit 5.

From the position of gearbox body 9, extend the gear lever 83 that is provided as action bars to rear side, this action bars can switch the transmission mechanism in gearbox body 9 and the travel speed of mobile devices 4 is carried out to step speed change operation.Rear side to seedling conveying unit 5 in the space that gear lever 83 surrounds through upper lateral delivery section 5a, decline delivery section 5b and rising delivery section 5c by seedling conveying unit 5 from mobile devices 4 extends., in the conveyance path of gear lever 83 through the ring-type of the regulation of seedling conveying unit 5.The handle part 83a of gear lever 83 is rear side-prominent to seedling conveying unit 5, but support gear lever 83 and mark the gear lever guide 121 that becomes bar support component of shift position be configured in the space being surrounded by upper lateral delivery section 5a, decline delivery section 5b and rising delivery section 5c.Therefore,, when maintaining the operability of gear lever 83, gear lever 83 and gear lever guide 121 are configured in to front side as far as possible.In addition, gear lever guide 121 is supported by the 3rd housing section 32c of plantation transmission case 32, swings up and down together with seedling conveying unit 5 and seedling cultivation device 6 centered by the plantation clutch shaft 77 of left and right directions.And, leading section (than the part near rear of the gearbox body 9 of seedling conveying unit 5 forward sides) at gear lever 83, setting can be flexible on bar direction of principal axis telescopic section, by this telescopic section unimpeded, allow swinging up and down of gear lever 83, gear lever guide 121 can be not separated significantly with the instruction unit of gear lever 83 sides.

In addition, from gearbox body 9 parts to rear side, extend the lateral tilting brace 122 that is provided as action bars, this lateral tilting brace 122 switch the rolling that is arranged on gearbox body 9 parts with hydraulic valve, make left and right horizontal control with hydraulic cylinder Final 16 property processed work.Lateral tilting brace 122 extends in the space that upper lateral delivery section 5a, decline delivery section 5b and rising delivery section 5c by seedling conveying unit 5 surround from mobile devices 4.The handle part 122a of lateral tilting brace 122 and the bar guide 123 that tilts are configured in the space being surrounded by upper lateral delivery section 5a, decline delivery section 5b and rising delivery section 5c.Therefore, become the structure that lateral tilting brace 122 is configured in as far as possible to front side.In addition, because the operation frequency of lateral tilting brace 122 is lower than gear lever 83, even if therefore lateral tilting brace 122 is configured in above-mentioned space, substantially also without prejudice to operability.In addition, lateral tilting brace 122 is that for the moment operation to the left and right returns to the bar of neutral position after unclamping, due to the instruction unit not have as gear lever 83, so be can be not flexible as gear lever 83 structure.

In addition, than the position in the forward side of seedling conveying unit 5 and left and right directions outside (right side), configure the liquor case (water tank) 124 of storing as the water of liquor.In addition, liquor case 124 is configured in the position of the right side side of seedling carrying base 82.Plantation clutch shaft 77 is outstanding to the right side side of the first housing section 32a of plantation transmission case 32, at plantation clutch shaft 77, pump is installed and drives with flange 125, from pump driving, with the position of the pivot skew of flange 125, linking the front end that has the pumping cylinder bar 127 that forms the pump (plunger pump) 126 that send water.In addition, pumping cylinder is partly attached on body.Therefore, become following structure,, from liquor case 124 via supply pipe 128 to pump 126 for feedwater, pump drives with flange 125 and rotates by planting the driving of clutch shaft 77, pumping cylinder bar 127 moves back and forth by crank-motion thus, sends successively the water in cylinder.In plantation transmission case 32 or even be configured in the plantation clutch shaft that becomes power transmission shaft 77 installation pumps 126 of upper in the drive path of seeding transplant machine 1, pump 126 can be configured in to a high position thus, can guarantee to the drop of liquor outlet 129 described later, can carry swimmingly water, and easily the water remaining in supply pipe 128 be discharged when the end of job etc.Pump drives with flange 125 and is and plants the 125a of base flange portion of clutch shaft 77 one rotations and with construction bolt, be arranged on the dual flanges structure of flange part 125b for the adjusting of the 125a of base flange portion, becomes the structure of inserting construction bolt in being provided to the slotted hole regulating with flange part 125b.Become following structure,, be provided to the linking part link pumping cylinder bar 127 regulating with flange part 125b, by take the 125a of base flange portion, as benchmark along slotted hole, make to regulate and move (rotation) with flange part 125b, thereby the reciprocating action of pumping cylinder bar 127 constantly (action phase place) changes, change and regulate pour water (phase place) constantly with respect to the action phase place of seedling cultivation device 6.

In standard, pour water be constantly from seedling plantation holder 31 charge into soil, start to during arriving before bottom dead center position this, with the anglec of rotation of actuating arm 34, rotate about 90 degree during, from liquor outlet 129, discharge moment of water.And, by adjusting, use the rotation of flange part to adjust continuously to pour water constantly, make to pour water constantly for the latest time, after seedling plantation holder 31 exits from soil and scraper plate 108 and seedling plant holder 31 and pour water before contacting.On the other hand, make to pour water constantly for the earliest time, from seedling plantation holder 31, plantation is supplied with position A to clamp seedling, before charging in soil, start to pour water.Thereby, together with setting and seedling plantation holder 31, to charging in soil, pollute the liquor outlet 129 of discharging liquor to farmland, be configured to and can be adjusted to moment of only discharging, state that liquor outlet 129 is charged at Xiang Tuzhong the moment of discharging liquors from liquor outlet 129 and do not charge into the moment of discharging under the state in soil when liquor outlet 129 is in soil.

In addition, seedling plantation holder 31 forms by becoming to the axial region 31a of the installation side of holder frame 41 and the tabular handle part 31b that controls seedling that is formed at the front end of axial region, by welding, handle part 31b is fastened on to the position of the left and right directions inner end of axial region 31a.About the seedling plantation holder 31 in left side, axial region 31a consists of pipe, and expose in the outside, left and right of handle part 31b the end of the handle part 31b side of the hollow space of the tubulose of axial region 31a, consists of the liquor outlet 129 of discharging water this exposed portions serve.Therefore, in the outside (with seedling left and right opposition side) of seedling plantation holder 31, discharge water, therefore can anti-sealing be punched on the seedling of plantation and the impact on plantation causing realizes the raising of plantation precision.In addition, with regard to the axial region 31a of the seedling plantation holder 31 in left side, the end of holder frame 41 sides is crooked towards oblique upper right side, and above-mentioned end connects the supply pipe 128 of the water of transferring self-pumping 126.Therefore, by liquor outlet 129, can be near supply (pouring) liquor of the seedling of planting.Namely, the end of above-mentioned axial region 31a rolls tiltedly configuration towards the opposing party's (right side) seedling plantation holder 31, suppresses to adjust with the position near left side the interference of bolt 151, and makes the mobile smooth and easy of water.And only the seedling plantation holder 31 in left side arranges liquor outlet 129, at the seedling plantation holder 31 on right side, do not establish liquor outlet 129.

Thereby, seedling conveying unit 5 is configured to left and right one side's side (left side) skew that becomes the conveyance top side of upper lateral delivery section 5a, and by the liquor case 124 of storing liquor be set to 5 left and right opposition sides (right side) skews of seedling conveying unit, only at the seedling plantation holder 31 of the side (left side) of seedling conveying unit 5 skews, arrange near seedling plantation holder 31 or seedling plantation holder 31 and to farmland, discharge the liquor outlet 129 of liquor.

Driving resistance by pump 126 transmits to plantation clutch shaft 77, thereby suppresses 6 actions of seedling cultivation device because of the action prior to hope such as deadweight or inertia.When not pouring water, even while pulling down pump 126 from body, by replacing pump 126, in 77 assemblings of plantation clutch shaft, transmit the brake device of brake force, also can suppress the action of seedling cultivation device 6 because of the action prior to hope such as deadweight or inertia.In addition, driving resistance at pump 126 is little, in the time of cannot fully suppressing the action prior to seedling cultivation device 6, arrange from the secondary spring of upper side mounting seedling plantation holder 31, make by the active force of this secondary spring and suppress the above-mentioned structure of action in advance complementaryly.In addition, the protective cover that covers pump 126 is set, even if assemble replacing pump 126 under the state of brake device, this protective cover also can be assemblied on body, realizes the raising of safety.On protective cover, paste the plantation spacing in the rows list of the setting based on travel speed and spacing in the rows speed change, when having assembled any device of pump 126 and brake device, can both confirm list.

In addition, while not pouring water etc., by returning to the pipe arrangement that returns of liquor case 124, make the water circulation of sending from pump 126 temporarily, even if do not pull down pump 126, also can not carry out operation with pouring water.In addition, switching valve is set, this switching valve is converted to the water of sending from pump 126 to the state of supply pipe 128 supplies towards liquor outlet 129 with to the above-mentioned state that returns to pipe arrangement supply.

According to above structure, seeding transplant machine 1 is crossed under the state on ridge at front-wheel 8 and trailing wheel 7 by left and right, by mobile devices 4, make body voluntarily, the paddy portion walking on the ridge of passing through for the front-wheel 8 in left side and trailing wheel 7, supplies with Ipomoea batatas seedling by the operator at the rear of the trailing wheel 7 in left side to the upper lateral delivery section 5a of the seedling conveying unit 5 of this body voluntarily.The seedling that 5 conveyances of seedling conveying unit are supplied with, then seedling cultivation device 6 is planted in farmland supplying with A conveyance next seedling in position by seedling conveying unit 5 to plantation.Seedling conveying unit 5 possesses a plurality of seedling folding and unfolding bodies 26 at seedling conveyance direction C, Ipomoea batatas seedling with its rattan towards the posture folding and unfolding of fore-and-aft direction at this seedling folding and unfolding body 26.Operator supplies with seedling by upper lateral delivery section 5a to the seedling folding and unfolding body 26 in the left and right one direction conveyance of body upper side direction.Be that operator supplies with the bottom of the rattan of seedling and seedling is fixed on to seedling folding and unfolding body 26 to clamping element 49.The seedling folding and unfolding body 26 that supply has a seedling and upper lateral delivery section 5a continuously by decline delivery section 5b to conveyance below body.By this decline delivery section 5b conveyance come seedling folding and unfolding body 26 by rising delivery section 5c by conveyance to body top, return to the conveyance top side of above-mentioned upper lateral delivery section 5a.With regard to seedling cultivation device 6, its seedling plantation holder 31 carries out elevating movement by drive division, in folding and unfolding in supplied with the rearward end of the seedling of the seedling folding and unfolding body 26 that position A conveyance comes to plantation by decline delivery section 5b, the rear side of this seedling folding and unfolding body 26 play a role and by seedling plantation in farmland.Now, seedling is by clamping element 49 clampings of seedling folding and unfolding body 26 and fixing, but because the chucking power of the seedling plantation holder 31 of seedling cultivation device 6 is large than the chucking power of this clamping element 49, so seedling cultivation device 6 is by making seedling along planting track T side shifting backward, thereby the rattan of seedling can come off from clamping element 49.

When transplanting this Ipomoea batatas seedling, the clamping element 49 that operator is fixed to the seedling folding and unfolding body 26 of the upper lateral delivery section 5a in seedling conveying unit 5 by the bottom of the rattan of seedling is supplied with, if the lower end with crooked rattan t is supplied with towards the state of downside, this seedling is by 5 conveyances of seedling conveying unit, in plantation, supply with position A, the lower end of rattan t becomes the state towards upside, the leaf of seedling with respect to rattan towards upside.Then, utilize seedling cultivation device 6, seedling is transplanted in soil with this posture.Therefore, the seedling of seedling cultivation device 6 is simple to the conveyance stroke in soil, so rattan is difficult for bending or distortion, improves when transplanting precision, can make with the rattan with respect to tilting leaf intensively towards the state of upside, transplant Ipomoea batatas seedling.In addition, the a pair of seedling plantation holder 31 of upper downward-extension is supplied with position A to roll forward the upwards lower end of the rattan of lateral bend of oblique state clamping in plantation, therefore can make seedling plantation holder 31 the lower end towards the rattan with respect to crooked towards the state in close to vertical direction, even if the position of seedling is supplied with position A in plantation and is offset a little, also can realize clamping reliabilization, the stabilisation of seedling, can, with suitable posture plantation seedling, carry out the transplanting of stable seedling.

Thereby, owing to can making with the rattan with respect to tilting leaf intensively transplant Ipomoea batatas seedling towards the state of upside, the leaf of the seedling after therefore transplanting can be given prominence to and accept the light of sunshine etc. outside soil, and the elongation of root is also vigorous, carry out good growth, can make the cultivation of Ipomoea batatas vigorous.In addition, due to according to the lower end that particularly holds flexible rattan of rattan towards judge leaf with respect to the axle center of rattan towards and transplant, therefore this judgement becomes easy, easily carry out supplying with to clamping element 49 operation of seedling, improve operator and to the seedling of seedling folding and unfolding body 26, supply with the operating efficiency of operation, in order to improve, to transplant operating efficiency and can make seedling conveying unit 5 high speed motion, can realize the raising of operating efficiency of the seedling conveyance operation of seedling conveying unit 5.

Claims (3)

1. a seeding transplant machine, is characterized in that,

Arrange: mobile devices (4); The seedling conveying unit (5) of conveyance seedling; The seedling that to supply with position (A) to plantation by seedling conveying unit (5) conveyance is planted the seedling cultivation device (6) in farmland,

Seedling conveying unit (5) possesses: the upper lateral delivery section (5a) of the seedling of transverse direction conveyance to the left and right, with upper lateral delivery section (5a) continuously plantation downwards supply with the decline delivery section (5b) of position (A) conveyance seedling, and with decline delivery section (5b) continuously to the left and right directions outside of body and become the rising delivery section (5c) of conveyance top side conveyance seedling of the upper lateral delivery section (5a) of upside, be configured to move to the left and right one side's lateral deviation that becomes the conveyance top side of upper lateral delivery section (5a), seedling cultivation device (6) is made the seedling that utilizes pair of right and left seedling plantation holder (31) to clamp plantation supply position (A) and with track (T) action of regulation, seedling is planted to the structure in farmland, the liquor case (124) of storing liquor is arranged to being offset with seedling conveying unit (5) left and right opposition side, only at pair of right and left seedling, plant in holder (31), the seedling plantation holder (31) that is positioned at a side of seedling conveying unit (5) skew arranges near the liquor outlet (129) of discharging liquor to farmland from seedling plantation holder (31) or seedling plantation holder (31).

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

Seedling plantation holder (31) comprising: the axial region consisting of pipe (31a); And the handle part of controlling seedling (31b) that is formed at the front end of axial region (31a), distolateral configuration handle part (31b) in the left and right directions of axial region (31a), the hollow space that makes the tubulose of axial region (31a) exposes towards the left and right outside of handle part (31b) and forms liquor outlet (129).

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

Seedling cultivation device (6) make make the rear side clamping plantation of seedling conveying unit (5) supply with position (A) seedling seedling plantation holder (31) with track (T) action of stipulating and by seedling plantation the structure in farmland, liquor outlet (129) is made together with seedling plantation holder (31) structure of discharging liquor to charging in soil to farmland, be configured to and the moment of discharging liquor from liquor outlet (129) can be adjusted to the moment of discharging when only liquor outlet (129) is in soil, the state of charging at Xiang Tuzhong at liquor outlet (129) and not charging into the moment of discharging under the state in soil.