CN103988619B - Seeding transplant machine - Google Patents

Abstract

The present invention relates to seeding transplant machine.The problem of the present invention is to improve plantation precision.Arrange: mobile devices；The Seedling conveying unit of conveyance Seedling；The Seedling plantation planting supply position Seedling cultivation device in farmland will be transported to by Seedling conveying unit, Seedling cultivation device makes the structure that Seedling is planted in farmland by Seedling plantation holder (31) of the Seedling making clamping plantation supply position with the longest track action, it is arranged on the earthing part (92) that the left and right of the Seedling after plantation carries out the left and right of earthing, and move downward between the earthing part (92) of left and right and pressure ground part (100) of the soil of the top of Seedling after pressing plantation, pressure ground part (100) is made in the earthing part (92) including left and right from body side when observing under pressure ground state in, and it is arranged in the structure of the relatively position of rear side on the basis of earthing part (92).

Description

Seeding transplant machine

Technical field

The present invention relates to the seeding transplant machine that the Seedling of the rattan shapes such as Radix Ipomoeae Seedling is transplanted.

Background technology

Being known to following seeding transplant machine, its structure is for be provided with: possess the traveling dress of left and right front-wheel and left and right trailing wheel Put；The Seedling conveying unit being made up of the Seedling conveyor belt of conveyance Seedling；To be transported to plant supply position by Seedling conveying unit Seedling be planted to the Seedling cultivation device in farmland；And it is arranged in the operation handle in body rear end portion, Seedling plantation dress Put the crank arm rotated by driving and swing the pair of right and left Seedling that link rod makes the Seedling of clamping plantation supply position Plantation holder is in the longest track action, to plant Seedling in farmland (with reference to patent documentation 1 And patent documentation 2).

Further, following structure is made: by switching the rotary shaft i.e. drive shaft of above-mentioned crank arm (by crank arm It is arranged in different drive shafts) change the driving center of rotation position of crank arm, thus change track The length of fore-and-aft direction.It addition, make following structure: the left and right being arranged on the Seedling after plantation carries out earthing Left and right earthing part (earthing wheel).It addition, make on mobile devices on centered by the axle of left and right directions Under rotatably link Seedling conveying unit and Seedling cultivation device, and propped up from face, farmland by the ground connection of earthing part The structure (with reference to patent documentation 1) of support Seedling conveying unit and Seedling cultivation device.

It addition, it is also known that following structure: be arranged on Seedling plantation holder and exit from soil and the exiting of movement Removing the scraper plate of the soil being attached on this Seedling plantation holder in moving process, scraper plate is at Seedling plantation holder Keep out of the way to the side left from track time in soil, resist adding of augmentor above-mentioned exiting in moving process Power and with swing link rod action linkage and forcibly move on track.Augmentor presss from both sides to Seedling plantation The opposition side, side (rear side) that gripping member exits and moves is i.e. afterburning to scraper plate from the side that track leaves.

It addition, it is also known that following structure: it is provided with and moves downward and press the soil of the top of the Seedling of plantation Pressure ground part.This pressure ground part is arranged on the pressure ground framework rotated upwardly and downwardly, and pressure ground framework is with utilizing pressure with convex The driving of wheel and limit the structure (with reference to patent documentation 2) that moves downward the rotation of side and carry out moving up and down.

Prior art literature

Patent documentation

Patent documentation 1: Japanese Laid-Open 2003-284410 publication

Patent documentation 2: Japanese Laid-Open 2003-9616 publication

Summary of the invention

The problem of the present invention is to improve plantation precision.

The present invention is to solve that above-mentioned problem takes following technical measures.

I.e., the invention of scheme 1 is a kind of seeding transplant machine, it is characterised in that

Arrange: mobile devices 4；The Seedling conveying unit 5 of conveyance Seedling；Will be by Seedling conveying unit 5 to plantation supply position The Seedling putting A plants the Seedling cultivation device 6 in farmland, and Seedling cultivation device 6 is made and made clamping plantation supply position Seedling is planted in farmland by the Seedling plantation holder 31 of the Seedling putting A with the longest track T action Structure, the left and right being arranged on the Seedling after plantation carries out the earthing part 92 of left and right of earthing and covering in left and right Move downward between soil part 92 and press the pressure ground part 100 of the soil of the top of the Seedling after plantation, pressure ground part 100 make in the earthing part 92 including left and right from body side when observing under pressure ground state in, and configure In the structure of position of side skew backward on the basis of earthing part 92, and, pressure ground part 100 is arranged on On the pressure ground framework 101 of lower rotation, pressure ground framework 101 is made by with above-mentioned Seedling cultivation device (6) even Dynamicly moved downward the rotation of side with cam 102 by restriction and carry out the structure moved up and down to the pressure rotated, Arrange and limit the fixture 105 that pressure ground framework 101 moves up and down, when making above-mentioned fixing piece (105) mobile During to the position kept out of the way from the up and down motion track of above-mentioned pressure ground framework (101), above-mentioned pressure ground cam (102) Make above-mentioned pressure ground framework (101) move up and down, after having planted Seedling, carry out the pressure ground of soil, and, when When making above-mentioned fixing piece (105) contact with above-mentioned pressure ground framework (101), above-mentioned pressure ground framework (101) From above-mentioned pressure the position that moves upward kept out of the way with cam (102) be kept and limit up and down motion, solely On the spot carry out the plantation of Seedling.

It addition, the invention of scheme 2 is according to the seeding transplant machine described in scheme 1, it is characterised in that

Constituted in the way of position before and after with can regulating pressure part 100.

It addition, the invention of scheme 3 is according to the seeding transplant machine described in scheme 1 or 2, it is characterised in that

Make to swing up and down and Seedling conveying unit 5 and Seedling cultivation device 6 are set freely, by earthing part 92 Ground connection, supports Seedling conveying unit 5 and the structure of Seedling cultivation device 6 from face, farmland, plants with Seedling conveying unit 5 and Seedling The earthing part height adjustment operation part 97 of height of earthing part 92 is regulated to having operation on the basis of planting device 6 The left and right lopsidedness of handle 2 and rearward extending, is arranged in lower section or the close beneath of operation handle 2.

The effect of the present invention is as follows.

According to the invention of scheme 1, by earthing part 92 and the pressure ground part 100 of left and right, it is possible to connect doing one's utmost The position of the Seedling after nearly plantation acts on obtaining pressure, suitably maintains plantation posture to plant reliably, Realize the raising of the plantation precision of Seedling.It addition, by arranging restriction pressure ground framework 101 in support frame 38 The fixture 105 of up and down motion, move to the up and down motion from pressure ground framework 101 when making fixture 105 When region positions away from, pressure ground cam 102 can make pressure ground part 100 together with pressure ground framework 101 Move up and down, accordingly, it is capable to utilize pressure ground part 100 that soil carries out after having planted Seedling pressure ground.It addition, When planting posture and deteriorating on the contrary due to the pressure ground part 100 moved downward, when making fixture 105 and pressure ground frame Frame 101 contacts, then pressure ground framework 101 from pressure the position that moves upward kept out of the way with cam 102 be kept, Therefore, limit the up and down motion of pressure ground framework 101 and pressure ground part 100, prevent pressure ground part 100 from making plantation appearance Gesture deteriorates.It addition, simple structure and shirtsleeve operation can be utilized easily to make pressure ground part 100 keep out of the way.

According to the invention of scheme 2, in addition to the effect of the invention of scheme 1, it is possible to doing one's utmost close to plantation After the position of Seedling act on obtaining pressure, suitably maintain plantation posture to plant reliably, it is achieved Seedling The raising of plantation precision.

According to the invention of scheme 3, in addition to the effect of scheme 1 or the invention of scheme 2, by having The left and right lopsidedness operating handle 2 and the height to earth up rearward extended regulation operating parts 97, can be behaviour Make lower section or the height of close beneath regulation earthing part 92 of handle 2.

Accompanying drawing explanation

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

Fig. 2 is the top view of sensor.

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

Fig. 4 is represent front-wheel rolling mechanism front view with easily determining.

Fig. 5 is the side view of represent ridge guide wheel lifting mechanism with easily determining.

Fig. 6 is the part section top view representing plantation transmission case and Seedling cultivation device etc.

Fig. 7 is to represent the side view that the local of plantation transmission case and Seedling cultivation device etc. is omitted.

Fig. 8 is the top view representing Seedling transplanting portion.

Fig. 9 is the cross sectional side view representing Seedling transplanting portion.

Figure 10 is the top view of the mounting structure representing Seedling plantation holder.

Figure 11 is the enlarged drawing preventing position skew guide representing Seedling transplanting portion.

Figure 12 (A) be represent plantation spacing in the rows maximum time hull bottom plant track and the side view of dynamic track, figure 12 (B) be represent plantation spacing in the rows minimum time hull bottom plant track and the side view of dynamic track.

The track tiltedly planted and the side view of dynamic track, Figure 13 when Figure 13 (A) is to represent plantation spacing in the rows maximum (B) track tiltedly planted when being and represent plantation spacing in the rows minimum and the side view of dynamic track.

Figure 14 is to represent earthing wheel and the side view of pressure land wheel.

Figure 15 is the rearview of fixation hook.

Figure 16 is to represent earthing wheel and the top view of pressure land wheel.

Figure 17 is to represent the partial sectional rear view that earthing is taken turns.

Figure 18 is the rearview representing Seedling conveying unit.

Figure 19 is the top view of the Seedling plantation holder representing left side.

Figure 20 is the side view of the Seedling plantation holder representing left side.

Detailed description of the invention

Following description an embodiment of the invention.Additionally, following embodiment is an enforcement all the time Mode, is not intended to the scope of claim.

The seeding transplant machine 1 of transplanting Radix Ipomoeae Seedling possesses on the body possessing mobile devices 4 and operation handle 2 to be removed Send the Seedling conveying unit 5 of Radix Ipomoeae Seedling and the Seedling moved by this Seedling conveying unit 5 is planted the Seedling in farmland Cultivation device 6.Mobile devices 4 possess electromotor 3, transmit this electromotor 3 power and drive rotation Pair of right and left trailing wheel 7 and be rotatably supported on the pair of right and left front-wheel 8 in front of this trailing wheel 7.

Configure gearbox body 9 at the rear portion of electromotor 3, this gearbox body 9 has from its left side to starting The housing parts that the left side side of machine 3 extends, this housing parts links with the left side of electromotor 3.Become and send out The output shaft of motivation 3 enters this housing parts and the knot of drive mechanism transmission power in gearbox body 9 Structure.In the left and right sides portion of gearbox body 9, transmission case 10 is rotatably installed, from gearbox body 9 to The front end of wheel drive shaft that left and right two outside are stretched out enter the center of rotation of this transmission case 10 and to transmission The power that drive mechanism transmission in case 10 travels.Further, the power travelled is via transmission case 10 In drive mechanism and be delivered to extend and the rear car prominent to the side, inner side of its rear end to body rear side Axle 11, thus trailing wheel 7 drives and rotates.

Transmission case 10 in left and right is on the installation portion that gearbox body 9 is installed, and left and right is installed the most integratedly The arm 12 extended upward, the arm 12 of left and right links via linking part with the left and right sides portion of the gimbal lever 14, This gimbal lever 14 is arranged on the lifting hydraulic pressure being fixed on gearbox body 9 freely around upper and lower axis rotation The piston rod front end of cylinder 13.The linking part on right side is made up of bar, and the linking part in left side is by the left side that can stretch Right level control hydraulic cylinder 16 is constituted.

If lifting hydraulic cylinder 13 works and makes its piston rod prominent to body rear, then the arm 12 of left and right Rearward rotating, be accompanied by this, transmission case 10 rotates downwards, and body rises.If on the contrary, lifting Draw in body front with the piston rod of hydraulic cylinder 13, then the arm 12 of left and right forwards rotates, and is accompanied by this, Transmission case 10 rotates upward, and body declines.This lifting hydraulic cylinder 13 is configured to operated as follows, I.e., based on the detection testing result to the sensor 17 of the ridge upper level of body, make body relative to Ridge upper level reaches setting height, it addition, be also configured to operated as follows, by being arranged in behaviour Make the manual operation planting elevating lever 18 near handle 2, make body rise or fall.Additionally, it is above-mentioned Plantation elevating lever 18 carries out the operation of the break-make of the driving of Seedling cultivation device 6 and Seedling conveying unit 5.It addition, The main clutch operated in gearbox body 9 is set in the side of plantation elevating lever 18 and can carry out travelling dress Put the primary clutch lever 19 of the make-break operation of the traveling of 4.

Sensor 17 be the tabular that left and right width is big main grounded part 17a and from main grounded part 17a to The height in face, farmland is detected in the bar-shaped secondary grounded part 17b contact farmland that left and right width that rear side extends is little The structure of degree, and be main grounded part 17a and secondary grounded part 17b rotates upwardly and downwardly integratedly and detects agriculture The structure of the height in face, field.Main grounded part 17a is arranged in side more forward than Seedling conveying unit 5, secondary grounded part 17b is arranged in the middle position, left and right of main grounded part 17a and to the side side, left and right one of plantation supply position A Position that (left side) offsets and be rising delivery section 5c of Seedling conveying unit 5 when observing from body side Lower position.

If it addition, left and right horizontal control hydraulic cylinder 16 carries out expanding-contracting action, the then transmission case 10 in left side Rotate upwardly and downwardly and make the trailing wheel 7 in left side move up and down, and make body tilt to the left and right.Left and right horizontal controls to use Hydraulic cylinder 16 is configured to operated as follows, i.e., based on detecting the body left and right relative to left and right horizontal The testing result of the sensor that tilts of the pendulum-type tilted, making body is left and right horizontal.

The front-wheel 8 of left and right is rotatably fitted at front axle 22, and this front axle 22 is fixed on front wheel and props up The bottom of the arm section 21 that the lower section in the left and right sides portion of support frame frame 20 extends, this front wheel supporting framework 20 are arranged on the middle position, left and right below electromotor 3 freely around the axis rotation of fore-and-aft direction.Therefore, Front-wheel 8 free roll rotational in the axle center in direction before and after the left and right central authorities of body of left and right.It addition, pass through The banking pin that can limit the roll rotational of front wheel supporting framework 20 i.e. rolls limited part 60 insertion be arranged at In the frame section of body side and the hole of front wheel supporting framework 20 such that it is able to there is no a left side on the basis of body Front wheel supporting framework 20 is fixed, it is possible to obliquely and there is difference of height in left and right under the state of right difference in height The ridge tracing ability in farmland and rectilinear propagation.Become when making common front wheel supporting framework 20 roll, will rolling Dynamic limited part 60 only inserts the structure in the standby hole of front wheel supporting framework 20 side.

Front side at front wheel supporting framework 20, it is possible to support rotationally from this front wheel supporting framework 20 via ridge Guiding gripper shoe 61 and the ridge that extends in the lateral direction guides support shaft 62.Support via guiding from this ridge Each ridge, left and right that axle 62 forwards extends guides the ridge guide wheel 64 about support frame 63 support.Ridge is drawn Guide wheel 64 is free pulley, be by with the contacts side surfaces on ridge make body copy ridge to draw in the way of travelling The known structure led.Guide between support shaft 62 on lifting piston rod and the ridge of hydraulic cylinder 13, link Interlock hawser 65.Additionally, above-mentioned piston rod and gearing hawser 65 are by the unimpeded spring 66 etc. of compression Unimpeded mechanism and link, the breakage interlocking hawser 65 grade that the locking etc. that prevents from unloading causes.Return at body When turning etc., make the trailing wheel 7 of left and right move downward and make body when lifting position rises, use with lifting The piston rod of hydraulic cylinder 13 side shifting backward, interlocks hawser 65 and interlocks and be pulled, and ridge guides support shaft 63 rotate, and the ridge of left and right guides support frame 63 to move upward, and the ridge guide wheel 64 of left and right with body is Benchmark and rise.

Operation handle 2 is arranged on the rearward end of the handle frame 23 that leading section is fixed on gearbox body 9. Handle frame 23 is arranged in the position on the right side of the left and right central authorities of body are partial to, and rearward extends, and, Extend to oblique back upper place from front and back's pars intermedia.Operation handle 2 is from the rearward end of handle frame 23 the most also Rearward extend and using its each rearward end as operation handle 2 handle portion 2a, 2a.Operation handle 2 Left and right handle portion 2a, 2a be set in suitable height, in order to operator easily grasp this handle portion 2a, 2a.Additionally, in legend, make the structure that handle portion 2a, 2a are divided into left and right but it also may will behaviour The rearward end mutually left and right of the left and right making handle 2 link and using its linking portion as handle portion.

Seedling cultivation device 6 includes: has Seedling plantation holder 31 and makes the Seedling transplanting portion of mechanism of its opening and closing； And make the link mechanism R of this Seedling transplanting portion's action.Drive the driving of the link mechanism R of Seedling cultivation device 6 Portion is arranged on the plantation transmission case 32 of built-in drive mechanism, and this drive mechanism accepts connection in gearbox body 9 Linkage R drive power and carry out transmission.Plantation transmission case 32 has: its anterior and gearbox body The back hitch of 9 the first housing section 32a of oblique upper extension backward；It is fixed on this first housing section 32a Upper left-hand portion and to the left side extend the second housing section 32b；And it is fixed on this second housing section The left part of 32b and the 3rd housing section 32c of obliquely downward extension backward.

By transmitting the power shaft 67 in direction before and after the power in gearbox body 9, to the first housing Transmission in portion 32a.Drive mechanism in first housing section 32a is illustrated, becomes following structure, i.e., From power shaft 67 via bevel-gear sett 68 the first axle 70 transmission in the lateral direction, from the first axle 70 Via first drive sprocket the 71, first chain 72 and the first driven sprocket 73 to the second axle 69 transmission, from Two axles 69 via second drive sprocket the 74, second chain 75 and the second driven sprocket 76 to as power transmission shaft Plantation clutch 78 transmission in plantation clutch shaft (the 3rd axle) 77.Plantation clutch 78 is on rule Fixed phase place disconnects the known structure of the assigned position stopping clutch of transmission, makes Seedling cultivation device 6 at folder Hold the prescribed phases (position) before the Seedling taken out here to stop.If plantation clutch 78 is Drive state, then this plantation clutch 78 rotates integrally with plantation clutch shaft 77.On the other hand, from Two axles 69 are via the different spacing in the rows gear 80 possessing many groups of (three groups) constant speed gear mesh of gear ratio Make the moment take out cam 81 and drive rotation, take out cam 81 by the moment and contact with moment taking-up arm 82 And making this moment taking-up arm 82 rotate, the plantation clutch 78 that releasing moment taking-up arm 82 is carried out is right The restriction of non-drive position, plantation clutch 78 becomes drive state, and rotation is turned around.If plantation clutch 78 rotations are turned around, and are the most again limited by moment taking-up arm 82 and become non-drive state.Spacing in the rows variable-speed motor Structure 80 utilizes spacing in the rows speed change slide key 83 alternatively to select in many groups of (three groups) constant speed gear mesh To many, the constant speed gear mesh transmission selected by utilization drives the moment to take out cam 81.Therefore, become as Lower structure, i.e., by the different constant speed gear mesh of Selection utilization gear ratio, switching instant takes out cam 81 Actuating speed, become moment of drive state by switching plantation clutch 78, switch plantation spacing in the rows.

Plantation clutch shaft 77 in the first housing section 32a by extending to the in the second housing section 32b In three housing section 32c.Drive mechanism in 3rd housing section 32c is illustrated, from plantation clutch shaft 77 via a pair constant speed drive's gear 84 or a pair i.e. variable speed travelling gear 85 of eccentric gear to the 4th axle 86 transmissions.Additionally, the gear carrying out transmission is alternatively switched to a pair constant speed drive's gear 84 or a pair The transmission switching mechanism 87 of variable speed travelling gear 85 is arranged on a pair constant speed drive by the 4th axle 86 Switch clutch between gear 84 and a pair variable speed travelling gear 85 is constituted.Therefore, transmission switching machine Structure 87 become switch in the drive path to Seedling cultivation device 6 the constant speed drive's state with constant speed drive, Structure with the variable speed drive state with variable speed transmission.Further, become from the 4th axle 86 via the 3rd Drive sprocket the 88, the 3rd chain 89 and the 3rd driven sprocket 90 to plantation drive shaft (the 5th axle) 91 transmissions, Utilize the driving arm 34 described later planting the link mechanism R that drive shaft 91 drives Seedling cultivation device 6, thus Drive the structure of Seedling cultivation device 6.

Additionally, the 3rd housing section 32c i.e. plants clutch shaft 77 with the power shaft of the 3rd housing section 32c Centered by rotatably arrange at above-below direction, Seedling cultivation device 6 and Seedling conveying unit 5 are with mobile devices 4 On the basis of rotate upwardly and downwardly together with the 3rd housing section 32c and arrange freely.

Arrange and be fastened on the 3rd housing section 32c the support frame 38 rearward extended, Seedling cultivation device 6 Link mechanism R include: by driving the driving arm of rotation from the transmission in the 3rd housing section 32c 34；Leading section is attached at the support links portion 36 driven on arm 34；And link support links portion 36 The swing link rod 37 of rearward end and support frame 38.From body left sides, drive arm 34 to right rotation. The Seedling transplanting portion's action supported by support links portion 36, is in the leading section (rearward end) in Seedling transplanting portion Seedling plantation holder 31 is from protruding in soil generally above, and in soil, downward side shifting is the most backward Side shifting is to bottom dead center position, with the upside of the track in side shifting backward by the side near this track Formula, forward side moves on one side the most upwards side shifting, and carry out exiting in soil exits action, to describe The mode of the track T longer front and back is moved.Additionally, this track T be Seedling plantation holder 31 relative to The movement locus (quiet track) that body is described, agriculture when Seedling plantation holder 31 travels relative to body advance The movement locus that field is described is dynamic track T'.

The Seedling transplanting portion moved integratedly with support links portion 36 includes: be attached at by support links portion 36 The a pair holder frame 41 on connection shaft 40 supported；It is fastened on leading section and the folder of this holder frame 41 Hold a pair Seedling plantation holder 31 of Seedling；And be arranged on holder frame 41 plant holder with above-mentioned Seedling The bearing 42b of 31 opposition sides.By being arranged on the teat 43a and bearing 42b of the side of opening and closing cam 43 Contact, thus the spaced expansion of a pair Seedling plantation holder 31.It is, a pair holder frame 41 Mutually rotate around connection shaft 40, thus the interval of a pair Seedling plantation holder 31 expands.Therefore, become logical Crossing opening and closing cam 43, a pair Seedling plantation holder 31 clamps Seedling or releases the structure of this clamping.Additionally, Stretching spring 44 is set between a pair holder frame 41, by this stretching spring 44, a pair Seedling is planted Holder 31 is the most afterburning.It addition, arrange on the opposed face of Seedling plantation holder 31 Nick, easily clamps Seedling.

Opening and closing cam 43 is fastened on the front driving arm 34, rotates integrally with driving arm 34.Therefore, If opening and closing cam 43 rotates, then in the lower of the track T (dynamic track T') planted, opening and closing Contacting with bearing 42b with the teat 43a of cam 43, the leading section of a pair Seedling plantation holder 31 is to opening Direction action, then, when Seedling plantation holder 31 arrives plantation supply position A, bearing 42b Exceeding teat 43a, afterburning by the stretching spring 44 between a pair holder frame 41, this leading section is to closedown Direction action, clamping is in the bottom of the rattan of the Radix Ipomoeae Seedling of plantation supply position A (in plantation supply position Putting A, Radix Ipomoeae Seedling, towards fore-and-aft direction, is therefore end thereafter).Further, Seedling plantation holder 31 is constituted For, when being clamped Seedling by this Seedling plantation holder 31, by driving the rotation of arm 34, make Front-back position dumps forward lopsidedness action on one side, in Seedling is placed into the soil while make its front end rearward Mobile, until the lower of plantation track T (the dynamic track T' of plantation), at above-mentioned lower, The teat 43a of cam 43 contacts with bearing 42b again, and the leading section of a pair Seedling plantation holder 31 is opened, Put down the Seedling of clamping and be implanted in soil.

Additionally, drive the opening and closing installation phase place of cam 43 in arm 34 by change, it is possible to change Seedling is planted Plant the moment of the clamping of the open Seedling of holder 31.Therefore, it is possible to confirm plantation state while suitably adjusting Joint Seedling plantation holder 31 inserts the length of the rattan of Seedling in soil, it is achieved the raising of plantation precision.By becoming The more opening and closing installation phase place of cam 43, Seedling plantation holder 31 clamps moment of Seedling and also can change, but sets It is set to the clamping at the Seedling of plantation supply position A and does not has the out of order moment.In addition it is also possible to make replacing Opening and closing cam 43 or teat 43a etc. switch, and do not change Seedling plantation holder 31 and clamp the moment of Seedling, The only structure in the moment of the clamping of the open Seedling of change Seedling plantation holder 31.

Additionally, due to utilize Seedling conveying unit 5 described later with the posture towards fore-and-aft direction to plantation supply position A supplies Radix Ipomoeae Seedling, and therefore Seedling cultivation device 6 is transplanted red with former state towards the posture of fore-and-aft direction in soil Potato Seedling, transplants the rattan of Radix Ipomoeae Seedling with the posture tilted relative to soil face.Owing to Seedling cultivation device 6 is backward On the plantation track T that lower section extends, action is planted, and the state that therefore Seedling tilts with forward side is planted. So, if the change of leaning forward of the plantation posture of Seedling becomes greatly hull bottom and plants, then the root of Seedling easily stretches out multiple, plants The number of the Radix Ipomoeae of training increases, when the cultivation Radix Ipomoeae of processing etc. etc., even if the size of each Radix Ipomoeae is less, The most useful cultivating in the case of multiple Radix Ipomoeae.

Lower at plantation track T (dynamic track T') is opened and is released a pair Seedling cultivation of the clamping of Seedling Planting holder 31 makes its posture topple over lopsidedness further along while forward side moves, in this shifting Dynamic way forms the side change of vertical posture to rotations on one side and tilts forward and back posture while working, carry out forward While Fang Yidong rise and extract from soil exit action.Therefore, Seedling plantation holder 31 due to Charge in soil charge into track and exit in soil to exit track close, thus without the cultivation making farmland Plant hole and excessively become the plantation greatly suitably carrying out Seedling.

Track T shown in legend (dynamic track T ') is to utilize the transmission switching mechanism 87 will be to Seedling cultivation device The transmission of 6 switches to track during constant speed drive's state.Become following structure, i.e., when utilizing transmission to switch When mechanism 87 switches to variable speed drive state, arm 34 is driven to rotate with variable speed, to lower dead center in soil The speed on track T during the side shifting backward of position becomes slightly fast, and Seedling intubating length in soil becomes Longer.

Circle mark on track T (dynamic track T ') shown in legend represents the rotatable phase of driving arm 34 The position of every 15 degree.Additionally, in legend, illustrate when spacing in the rows is set as minimum and be set as maximum Time, regardless of the change of spacing in the rows, the track T as quiet track is the most identical, by the change of spacing in the rows Be changed is track T '.Knowable to legend, when planting for hull bottom, before Seedling plantation holder 31 The speed of action of end is compared and is exceeded the forward side of bottom dead center position when moving, in soil to bottom dead center position to When rear side is mobile faster.Thereby, it is possible to strengthen in soil to the amount of movement of bottom dead center position side shifting backward, Hull bottom cultivation can be carried out.

When swing link rod 37 is switched to the position of rear side to the link fulcrum of support frame 38, track T (dynamic track T ') have somewhat erect tendency (height becomes big, in soil before and after amplitude diminish.), Become the oblique cultivation tilting plantation state.This is tiltedly planted compared with hull bottom cultivation, although the number of the Radix Ipomoeae after cultivation becomes Few, but the size of each Radix Ipomoeae becomes big, is suitable for the cultivation of the most edible Radix Ipomoeae.

At the rear of Seedling cultivation device 6, it is set to the earthing wheel 92 of pair of right and left earthing part.This earthing Wheel 92 is free pulley, the soil of the side, left and right of the Seedling planted contacting with soil face be covered in Seedling and Press, arrange via earthing wheel support frame 92 from the rearward end of support frame 38.Therefore, become For following structure, i.e., by the ground connection of this pair of right and left earthing wheel 92, support around plantation transmission case 32 The 3rd housing section 32c become power shaft plantation clutch shaft 77 rotate Seedling cultivation device 6 and Seedling Conveying unit 5, Seedling cultivation device 6 and Seedling conveying unit 5 are followed the concavo-convex of face, farmland and are swung and relative to farmland Face maintains the height of regulation.Between support frame 38 and handle frame 23, arrange and make Seedling cultivation device 6 and Seedling conveying unit 5 swing up and down stable stable spring 93, become and utilize this stably with spring 93 Hang Seedling cultivation device 6 and the structure of Seedling conveying unit 5.Additionally it is possible to Seedling cultivation device 6 and Seedling are removed Send portion 5 to be fixed as not to swing up and down.Therefore, the Gravitative Loads of Seedling cultivation device 6 and Seedling conveying unit 5 is in covering Soil wheel 92 such that it is able to utilize earthing wheel 92 to act on sufficiently being pressed.Additionally, earthing wheel carriage Frame 94 is the framework of the tubular extended in the vertical direction, in the inside of earthing wheel support frame 94, is provided with Outer peripheral face be formed the up-down adjustment rotary shaft 95 of externally threaded upside and formed female under The earthing wheel installation frame 96 of side.Earthing wheel installation frame 96 becomes top can take turns support frame along earthing 94 slide up and down but by the structure of angle axle non-rotary structure, lower leg is that left and right two is pitched, Left and right tines after branch is divided and is installed left and right earthing wheel 92 in the way of rotatable.Further, upper downward Save rotary shaft 95 and i.e. cover by being arranged in the rotary handle of the height of the upper end of up-down adjustment rotary shaft 95 The rotation process of soil part height adjustment operation part 97 transmits with bevel gear 98 via altitude mixture control and rotates.Cause This, become the operation by earthing part height adjustment operation part 97, up-down adjustment rotary shaft 95 rotates, Earthing wheel installation frame 96 moves up and down and regulates the structure of the height of earthing wheel 92.Additionally, take turns at earthing The top of installation frame 96, is provided as dial and the display mark of the target of the height and position of earthing wheel 92 Note 99.Earthing part height adjustment operation part 97 tilts to the right side of the side side, left and right one with operation handle 2 And be rearward that right rear ramp extends, the operating handle 97a of earthing part height adjustment operation part 97 becomes Between the handle portion 2a of the left and right being arranged in operation handle 2 when overlooking body, and the lower section of operation handle 2 Or the structure of close beneath.It addition, be configured with earthing above the plantation track T of Seedling cultivation device 6 Wheel 92, the position relationship of the Seedling after taking turns 92 and plantation due to earthing is close and becomes to be in close contact, it is possible to fit The local pressure ground maintaining earthing wheel 92, it is possible to obtain good pressure ground effect.

Arrange between earthing wheel 92 in left and right and move downward and soil above Seedling after pressing plantation Become the pressure land wheel 100 of pressure ground part.It is little, move downward that the diameter of pressure land wheel 100 takes turns 92 than earthing Under pressure ground state, include in when observing from body side in the earthing wheel 92 of left and right, and be arranged in cover The position of side skew backward on the basis of the axis of rotation of soil part 92.Pressure land wheel 100 is arranged on support frame On the pressure ground framework 101 rotated upwardly and downwardly centered by fulcrum shaft 101a set on 38, it is provided with to compare and props up Point axle 101a is arranged in the cam rollers 103 being located further forward side, for pressure ground framework 101, and cam rollers 103 Use cam 102 from the pressure that contacts-side-down rotates integrally with driving arm 34, utilize pressure ground cam 102 Drive and while moved downward the rotation of side by restriction, use cam by the pressure that contacts with cam rollers 103 The diameter change of 102, thus move up and down.Therefore, pressure land wheel 100 and pressure ground framework 101 from Recast acts on farmland for pressure soil fertility.By this pressure land wheel 100, it is possible to after the Seedling of plantation, pressing should The soil of the surface of Seedling.Additionally, by the pressing effect of this pressure land wheel 100, correct upward and be in ground On Seedling, Seedling contacts with the mulch film being laid on face, farmland and suppresses due to the raw obstacle of the delivery in hot weather of mulch film.It addition, Pressure ground framework 101 possesses and utilizes dual frame structure and telescopic adjustment portion 101b flexible forwards, backwards, logical Cross flexible can the regulation before and after telescopic adjustment portion 101b and press position before and after land wheel 100.Additionally, Telescopic adjustment portion 101b be provided as pressing the pressure land wheel dial of the target of position before and after land wheel 100 and Pressure land wheel display labelling 104.Pressure ground framework about 101 is not made to transport it addition, arrange in support frame 38 Move and be fixed on the fixation hook 105 as fixture of the position that moves upward.Fixation hook 105 is following structure: It is arranged to centered by the axle 105a of fore-and-aft direction rotate upwardly and downwardly, is configured at and makes pressure land wheel 100 work When making, make fixation hook 105 rotate to oblique upper right side and leave and compare pressure ground framework 101 this pressure more on the right side The position rotating upwardly and downwardly region of ground framework 101, framework 101 utilization pressure ground, pressure ground can be upper and lower with cam 102 Rotate.On the other hand, when not making pressure land wheel 100 work, make fixation hook 105 rotate to downside and will press Ground framework 101 hangs on this fixation hook 105, with not allowing pressure that cam rollers 103 contact rotates with cam 102, Pressure land wheel 100 is fixed on and positions away from upward from ground.

It addition, fasten scraper plate support plate 106 in the downside of support frame 38, prop up being arranged at scraper plate The bottom of the scraper arm 107 rotated is carried out centered by the scraper plate rotating fulcrum axle 107a of support plate 106, The scraper plate 108 being made up of the plate of the rubber as elastomer is set.Scraper plate 108 is at two, left and right position tool The standby switch-in part entered from front side, by the switch-in part about plantation holder 31 entrance of each Seedling in left and right, removes Soil on the two sides, each left and right, left and right of the attachment removal Seedling plantation holder 31 in left and right.Than scraper arm 107 The top side of scraper plate rotating fulcrum axle 107a top and the scraper plate support plate 106 of rear side position between Being provided as stretching the augmentor 109 of spring, by augmentor 109, scraper plate 108 forward side is added Power.On the other hand, swinging, on link rod 37, scraper plate work roller 110 is set, plants holder 31 at Seedling Xiang Tuzhong charge into and during towards the bottom dead center position side shifting backward of track T (dynamic track T '), scraper plate work Effect roller 110, from the bottom of frontside contacts scraper arm 107, makes the bottom side shifting backward of this scraper arm 107, Scraper plate 108 is made forcibly to keep out of the way to the side left from track T (dynamic track T ').Further, at Seedling Plantation holder 31 exits from soil and forward side moves exits in moving process, scraper plate work roller 110 Forward side moves and leaves from the bottom of scraper arm 107, by the reinforcing of augmentor 109, scraper arm The bottom forward side of 107 moves, and makes scraper plate 108 move on the track T of front side.Thus, scraper plate 108 Become following structure: forcibly leave from track T when Seedling plantation holder 31 plants Seedling in soil Side is kept out of the way, and exits in moving process above-mentioned, by the reinforcing of augmentor 109 on track T Mobile, augmentor 109 to the side (front side) that Seedling plantation holder 31 exits and moves to scraper plate 108 Afterburning.

Seedling cultivation device 6 is described in detail, this Seedling cultivation device 6: have the one of the Seedling clamping rattan shape Seedling is planted holder 31；And be connected and to a pair Seedling plantation holder 31 with this Seedling plantation holder 31 Carry out a pair holder frame 41 of opening and closing operations.Further, Seedling plantation holder 31 and holder frame 41 lead to Cross vertical composition surface V to combine.Vertical composition surface V is and the track T of Seedling plantation holder 31 (dynamic track T ') Parallel the most vertical.According to said structure, it is possible to easily carry out the upper and lower of Seedling plantation holder 31 Setting angle and the adjustment of planting depth.It addition, the engagement base that Seedling plantation holder 31 will be arranged on Two bolt holes in, be set to elongated hole near the hole of front end of Seedling plantation holder 31.By above-mentioned Structure, it is possible to add the adjustment surplus of the claw of the front end of seedlings plantation holder 31.

It addition, the engagement base that Seedling is planted holder 31 makes the structure of L font, tie in this L font One limit of structure and the top of holder frame 41 are namely provided for vertical face vertical for composition surface V along vertical Composition surface V carries out the position adjustment bolt 151 of the position adjustment of Seedling plantation holder 31.According to above-mentioned knot Structure easily carries out setting angle and the inching of planting depth of Seedling plantation holder 31.Although additionally, doing One-tenth position adjustment bolt 151 is in the structure of the top of holder frame 41 but it also may makes and is in clamping The lower section of part frame 41 or the structure of side.

It addition, Seedling plantation holder 31 makes the vertical composition surface V to the inner side being in two holder framves 41 The structure installed, and make and can adjust by sandwiching the clamping pressure such as pad in-between and adjusting parts 154 The structure of the clamping pressure of Seedling plantation holder 31.Pass through said structure, it is possible to make Seedling transplanting portion entirety become Compact, and the inching of clamping pressure can be carried out.In said structure, pad is used to adjust as clamping pressure Integeral part 154, but the structure using spacer etc. to have certain thickness component can also be made.

In the spring mounting pin 155 being provided above two supporting stretching springs 44 of holder frame 41, right The holder frame 41 put sets up stretching spring 44 to apply chucking power.Further, above-mentioned position adjustment bolt 151 positions avoiding two spring mounting pins 155 when being arranged on vertical view.In said structure, position adjustment The structure of the central authorities being arranged on two spring mounting pins 155 made by bolt 151 but it also may be arranged on ratio two Root spring mounting pin 155 is closer to the side of the front end of Seedling plantation holder 31.

Holder frame 41 is made up of the combination base portion 41a and column sections 41b with Seedling plantation holder 31.Should Column sections 41b is engaged in above-mentioned combination base portion 41a by its one end of weldment.It addition, plant with left and right Seedling Plant the combination base portion 41a of holder 31 correspondence and junction surface, the left and right F of column sections b with in the vertical direction The mode mutually staggered is constituted.The connection shaft 40 of the on-off action fulcrum becoming holder frame 41 is positioned at pillar The length direction substantially central portion of portion 41b, can combine a pair clamping centered by connection shaft 40 rotationally Part frame 41.In addition, grease-enclosed bearing 42b is set in the other end of column sections 41b, should The periphery of bearing 42b abuts with opening and closing cam 43, and interval mutual for bearing 42b is by opening and closing cam The teat 43a of 43 and become big, thus add the interval of seedlings plantation holder 31.As it has been described above, by making Junction surface F the most mutually staggers, it is possible to makes and makes column sections 41b exist in connection shaft 40 part The structure coincided with the upper and lower.I.e., by holder frame 41 is made simpler structure, it is possible to realize fall Low cost etc..

Connection shaft 40 is fixed by the connection shaft support 152 being combined with support links portion 36, this support links portion 36 constitute link mechanism R, and make Seedling plantation holder 31 produce Seedling plantation action.In addition, exist In support links portion 36, and with connection shaft support 152 adjoining position, arrange constraint holder frame 41 The position that prevents of knee-action offsets guide 153.Sandwiched by the position the most mutually staggered Column sections 41b of holder frame 41, thus retrain the action of the above-below direction of column sections 41b.It addition, It is configured between column sections 41b that there is gap up and down.By constituting as described above, it is possible to prevent and press from both sides The position skew of the Seedling plantation holder 31 that the front end of gripping member frame 41 combines.Additionally, preventing position from offseting Securing plate 156 is set on guide 153, and makes the knot that can dismantle in order to ensure maintenance property Structure.It addition, between connection shaft 40 and column sections 41b being fixed on connection shaft support 152, respectively The metal sleeve 157 consistent with two column sections is set.

Seedling conveying unit 5 is made up of Seedling conveyor belt, and this Seedling conveyor belt includes: possess in Seedling conveyance direction C Multiple with rattan towards the Seedling folding and unfolding body 26 in the Seedling folding and unfolding portion that becomes of the posture folding and unfolding Radix Ipomoeae Seedling of fore-and-aft direction, and And upper lateral delivery section 5a of this Seedling folding and unfolding body 26 is transported in the lateral right direction of body upper；Will be by this Decline delivery section 5b that the Seedling folding and unfolding body 26 that lateral transfer portion of portion 5a moves transports below body；With And the Seedling folding and unfolding body 26 moved by this decline delivery section 5b is transported above body and returns to above-mentioned top Rising delivery section 5c of the conveyance side, top of lateral transfer portion 5a, along single ring-type transport path conveyance Seedling folding and unfolding body 26.It addition, upper lateral delivery section 5a is configured to be projected into the front-wheel 8 than left side and trailing wheel 7 more to the left, and left end becomes the outermost end in the left side of body.Additionally, in the centre rising delivery section 5c Portion arranges the jockey pulley 111 making the inner side flexure in the lateral direction of Seedling conveyor belt, thus, becomes rising delivery section The structure that 5c does not interferes with the trailing wheel 7 in left side.It addition, the backend arrangement of above-mentioned upper lateral delivery section 5a Than the front-wheel 8 in left side and the position of trailing wheel 7 more posteriorly side.Therefore, operator is at the trailing wheel 7 in left side And the rear side of upper lateral delivery section 5a supplies Seedling to this upper lateral delivery section 5a.Above-mentioned transport path is inclined On rear side of upper lateral delivery section 5a is positioned at time tiltedly for observing in side, it is being in the rear side of Seedling conveying unit 5 The Seedling folding and unfolding body 26 of neighbouring position configuration upper lateral delivery section 5a of operator, in order to operator easily enters Row is to the Seedling supply operation of the Seedling folding and unfolding body 26 of lateral transfer portion, top 5a.Additionally, Seedling cultivation device 6 will Utilize the plantation supply position that the lowermost position of the above-mentioned decline delivery section 5b conveyance track to Seedling conveying unit 5 is put The Seedling in the Seedling folding and unfolding portion 26 of A conveyance is planted in farmland.Additionally, in above-mentioned decline delivery section 5b, at it Top is provided with in the way of being supported by support member 46 and guides the Seedling of Seedling to fall in Seedling folding and unfolding portion 26 to prevent plate 45, in order to avoid Seedling falls.

The Seedling being arranged over left and right directions in upper lateral delivery section 5a limits bar 112.Therefore, operation Person limits the upside of bar 112, the rattan of Seedling by the rattan of Seedling being only placed on Seedling in upper lateral delivery section 5a The side of bending become downside, become downward lateral bend to the lower end with the rattan of rattan bending same side bending State, it is possible to supply Seedling with desired state described later to Seedling folding and unfolding body 26.

It addition, the rearward end on the surface (outer peripheral face) of Seedling folding and unfolding body 26 possesses clamping and keeps the rattan of Seedling The clamping element 49 as Seedling keeper of rearward end.Clamping element 49 is by from the supporting board 47 of Seedling conveyor belt The pair of right and left cramping body projected upwards is constituted.Additionally, a side of above-mentioned pair of right and left cramping body is by having bullet Property spongiform resin constitute, the opposing party has again the brush of flexibility and constitutes, in order to avoid the Seedling of damage clamping Rattan.By operator, Seedling is pressed into downwards, thus Seedling is clamped by pair of right and left cramping body and fixes.

Seedling conveyor belt is winded at and is arranged at before and after upper right the left and right the driving roller 113, being arranged at bottom One driven voller 114 and being arranged on the second driven voller 115 of upper left-hand, by driving roller 113 Drive and rotate.Additionally, between the first driven voller 114 of left and right, Seedling conveyor belt is approximate horizontal in left and right Direction conveyance Seedling, but have Seedling cultivation device 6 to clamp and take out the plantation supply position of Seedling at this conveyance section sets Put A.On the other hand, at the back side (inner peripheral surface) of Seedling conveyor belt, at the width than this Seedling conveyor belt The central rearward position of (fore-and-aft direction), forms the conduct along the direction of rotation of this Seedling conveyor belt is prominent and dashes forward The guide ribs 116 of bar.At first driven voller 114 and second driven voller 115 corresponding with this guide ribs 116 Position be formed with groove 117, coordinated with groove 117 by guide ribs 116, prevent side before and after Seedling conveyor belt To position skew.Additionally, in said structure, guide ribs 116 has been made ridge but it also may will Guide ribs 116 does grooving bar, constitutes and as above-mentioned groove at the first driven voller 114 and the second driven voller 115 The protuberance that the guide ribs of bar coordinates.

The upper end that lower end is attached at the trace 66 swung on link rod 37 is attached at the driving before and after being arranged at The one-way clutch in the drive shaft portion of roller 113.Therefore, in the work of Seedling cultivation device 6, when swinging connection When bar 37 swings, trace 66 moves back and forth up and down, and driving roller 113 front and back passes through one-way clutch Device intermittently drives, so that Seedling conveyor belt is to Seedling conveyance direction action.Intermittently driving of this Seedling conveyor belt Move as following structure, i.e. the Seedling at Seedling cultivation device 6 is planted when holder 31 clamps Seedling and is stopped, beyond it Time be driven.Thus, plant owing to clamping Seedling decline at the Seedling of Seedling cultivation device 6 plantation holder 31 Time kind in soil, Seedling folding and unfolding body 26 stops, therefore, it is possible to Seedling is taken out from Seedling folding and unfolding body 26 swimmingly and incite somebody to action Seedling is suitably planted in farmland.

In the front side of Seedling conveying unit 5, prop up via seedling carrying base from the first housing section 32a of plantation transmission case 32 Support frame frame 81 arranges seedling carrying base 82.With folding and unfolding state in folding and unfolding case etc., Radix Ipomoeae Seedling is positioned in this load Seedling On platform 82, the Seedling on seedling carrying base 82 is supplied by operator to upper lateral delivery section 5a of Seedling conveying unit 5. The rearward end of seedling carrying base 82 is configured to the leading section near upper lateral delivery section 5a, it is achieved to upper lateral Delivery section 5a supplements the simplification of Seedling.

It addition, arrange the standby Seedling of the caged of the standby Seedling of folding and unfolding in the left side side of upper lateral delivery section 5a Folding and unfolding portion 118.Standby Seedling folding and unfolding portion 118 by can before and after the center rotating of the second driven voller 115 standby Support by Seedling folding and unfolding portion support frame 119.If making standby Seedling folding and unfolding portion support frame 119 to the left and right of body Inside direction, (right side) rotates, and makes standby Seedling folding and unfolding portion 118 to being positioned at the upper of upper lateral delivery section 5a The reception position of side moves, then can reduce body width.Standby Seedling folding and unfolding portion 118 is by turning to the right Move and cross stop, standby Seedling folding and unfolding portion support frame 119 and the storage limiting section being arranged on body 120 contact and are maintained at reception position.At this reception position, standby Seedling folding and unfolding portion 118 does not transports with Seedling Seedling conveyor belt and the clamping element 49 in portion 5 are interfered, it is possible to drive Seedling conveying unit 5.

It is provided as the gear lever 83 of action bars, this operation with extending to rear side from the position of gearbox body 9 Bar allows hand over the drive mechanism in gearbox body 9 and the travel speed of mobile devices 4 is carried out step speed change Operation.Gear lever 83 passes by upper lateral delivery section 5a of Seedling conveying unit 5, decline from mobile devices 4 Extend to the rear side of Seedling conveying unit 5 in the space that delivery section 5b and rising delivery section 5c surround.I.e., become In the ring-type transport path of the regulation that speed bar 83 passes Seedling conveying unit 5.The handle part 83a of gear lever 83 Prominent to the rear side of Seedling conveying unit 5, but support gear lever 83 and marked the bar that becomes of shift position and prop up The gear lever guide 121 of support part part be arranged in by upper lateral delivery section 5a, decline delivery section 5b and Rise in the space that delivery section 5c surrounds.Therefore, while maintaining the operability of gear lever 83, will as far as possible Gear lever 83 and gear lever guide 121 are arranged in front side.Additionally, gear lever guide 121 is by planting 3rd housing section 32c of transmission case 32 supports, with left and right together with Seedling conveying unit 5 and Seedling cultivation device 6 Swing up and down centered by the plantation clutch shaft 77 in direction.Further, Seedling (is compared in the leading section at gear lever 83 The part against rear of the gearbox body 9 of the forward side of conveying unit 5), setting can be stretched on bar direction of principal axis Telescopic section, allow swinging up and down of gear lever 83 by the unimpeded of this telescopic section, gear lever is led Instruction unit to part 121 with gear lever 83 side will not separate significantly.

It addition, be provided as the lateral tilting brace 122 of action bars with extending to rear side from gearbox body 9 part, The switching of this lateral tilting brace 122 is arranged on the rolling hydraulic valve of gearbox body 9 part and makes left and right horizontal control System hydraulic cylinder Final 16 property ground work.Lateral tilting brace 122 extends to be transported by Seedling from mobile devices 4 In the space that upper lateral delivery section 5a in portion 5, decline delivery section 5b and rising delivery section 5c surround. Handle part 122a and the lateral tilting brace guide 123 of lateral tilting brace 122 are arranged in by upper lateral defeated Send portion 5a, decline delivery section 5b and rise in the space that delivery section 5c surrounds.Therefore, become a left side Right deviation brace 122 is arranged in the structure of front side as far as possible.Additionally, due to the entering frequency of lateral tilting brace 122 Lower than gear lever 83, even if therefore lateral tilting brace 122 being arranged in above-mentioned space, substantially to behaviour Hinder even the property made.Additionally, lateral tilting brace 122 is that operation returns to neutral position after unclamping the most to the left and right The bar put, owing to not having instruction unit as gear lever 83, is therefore will not to stretch as gear lever 83 The structure of contracting.

It addition, the position on (right side), configuration storage outside side more forward than Seedling conveying unit 5 and left and right directions Liquor case (water tank) 124 as the water of liquor.Additionally, liquor case 124 is arranged in the right side of seedling carrying base 82 The position of side.Plantation clutch shaft 77 is dashed forward to the right side side of the first housing section 32a of plantation transmission case 32 Go out, pump driving flange 125 is installed, from pump driving flange 125 at plantation clutch shaft 77 The position of center of rotation skew is linked with the front end of the pumping cylinder bar 127 constituting the pump (plunger displacement pump) 126 sending water. Additionally, pumping cylinder part is attached on body.Therefore, become following structure, i.e., from liquor case 124 via Supply pipe 128 to pump 126 for feedwater, pump driving with flange 125 by plant clutch shaft 77 driving And rotate, thus pumping cylinder bar 127 is moved back and forth by crank-motion, sends the water in cylinder successively.Planting In kind of transmission case 32, even drive path at seeding transplant machine 1 is arranged in the power transmission shaft that becomes of upper Plantation clutch shaft 77 installs pump 126, it is possible to pump 126 is arranged in a high position, it can be ensured that to rear The drop of the liquor outlet 129 stated, it is possible to carry water swimmingly, and easily will when the end of job etc. The water remained in supply pipe 128 is discharged.Pump driving flange 125 is and plantation clutch shaft 77 one The base flange portion 125a rotated and the regulation flange being arranged on base flange portion 125a with installation bolt The dual flanges structure of portion 125b, becomes to insert in the elongated hole being provided to regulation flange part 125b and installs The structure of bolt.Become following structure, i.e., link at the linking part being provided to regulation flange part 125b Pumping cylinder bar 127, by making regulation flange part 125b move along elongated hole on the basis of base flange portion 125a (rotation), thus the change of the reciprocating action moment (action phase place) of pumping cylinder bar 127, change is also Regulate pour water the moment (phase place) of the action phase place relative to Seedling cultivation device 6.

In a standard, pour water the moment be from Seedling plantation holder 31 charge into soil starts to arrive lower dead center position Before putting during this, during driving the anglec of rotation of arm 34 to rotate about 90 degree, from liquor outlet 129 moment discharging water.Further, can adjust, by the rotation of regulation flange part, the moment of pouring water continuously, In the moment that makes to pour water for time the latest, after Seedling plantation holder 31 exits from soil and scraper plate 108 is planted with Seedling Pour water before planting holder 31 contact.On the other hand, in the moment that makes to pour water for time the earliest, plant from Seedling Plant before holder 31 is charged into after plantation supply position A clamping Seedling in soil and start to pour water.Thus, if Put and charge in soil together with Seedling plantation holder 31 and pollute the liquor outlet to farmland discharge liquor 129, it is configured to be adjusted to only in liquor outlet the moment discharging liquor from liquor outlet 129 State that 129 moment discharged when being in soil, liquor outlet 129 are charged at Xiang Tuzhong and do not charge into soil In state under discharge moment.

It addition, Seedling plantation holder 31 is by the axle portion 31a of the installation side become to holder frame 41 and shape The handle part 31b becoming the tabular holding Seedling of the front end in axle portion is constituted, by welding by handle part 31b It is fastened on the position of the left and right directions inner end of axle portion 31a.Seedling about left side plants holder 31, axle Portion 31a is made up of pipe, and the end of the handle part 31b side of the hollow space of the tubulose of axle portion 31a is at handle part Expose outside the left and right of 31b, be made up of the liquor outlet 129 discharging water this exposed portion.Therefore, exist Water is discharged, therefore, it is possible to prevent water to be punched in cultivation in the outside (with opposition side, Seedling left and right) of Seedling plantation holder 31 The impact on plantation caused on the Seedling planted, it is achieved the raising of plantation precision.It addition, the Seedling with regard to left side is planted For planting the axle portion 31a of holder 31, the end of holder frame 41 side bends towards oblique upper right side, above-mentioned End connects the transfer supply pipe 128 from the water of pump 126.Therefore, by liquor outlet 129, energy Neighbouring supply (pouring) liquor of enough Seedlings to plantation.It is, the end of above-mentioned axle portion 31a is towards separately The Seedling plantation holder 31 of one side (right side) rolls and tiltedly configures, and suppresses and is in the position against left side Adjust the interference of bolt 151, and make the flowing of water smooth and easy.Further, only in left side Seedling plantation holder 31 arrange liquor outlet 129, and the Seedling plantation holder 31 on right side does not set liquor outlet 129.

Thus, Seedling conveying unit 5 is configured to the left and right to the conveyance side, top becoming upper lateral delivery section 5a One side side (left side) skew, and by storage liquor liquor case 124 be set to Seedling conveying unit about 5 Opposition side (right side) offsets, only at the Seedling plantation holder of the side (left side) of Seedling conveying unit 5 skew 31 arrange the liquor discharging liquor near Seedling plantation holder 31 or Seedling plantation holder 31 to farmland Outlet 129.

Transmitted to plantation clutch shaft 77 by the driving resistance of pump 126, thus suppress Seedling cultivation device 6 Action because of deadweight or inertia etc. prior to desired action.When not pouring water, even if pulling down pump 126 from body Time, by replacing pump 126 to transmit the brake unit of brake force in plantation clutch shaft 77 assembling, also can Enough the action of suppression Seedling cultivation device 6 because of deadweight or inertia etc. prior to desired action.Additionally, at pump The driving resistance of 126 is little, it is impossible to when fully suppressing the action prior to Seedling cultivation device 6, arranges outstanding from upside Hang the secondary spring of Seedling plantation holder 31, make and secondarily pressed down by the active force of this secondary spring Make the structure of above-mentioned leading action.It addition, arrange the protective cover covering pump 126, even if replacing pump 126 And under the state assembling brake unit, this protective cover also is able to be assemblied on body, it is achieved the raising of safety. Protective cover is pasted plantation spacing in the rows catalog based on travel speed and the setting of spacing in the rows speed change, is being assembled with Catalog can be confirmed during any device of pump 126 and brake unit.

It addition, when not pouring water etc., make to send from pump 126 by returning the return pipe arrangement of liquor case 124. temporarily Water circulation, even if not pulling down pump 126, it is also possible to carry out operation with not pouring water.Additionally, arrange switching valve, This switching valve is converted to supply the water sent from pump 126 to the supply pipe 128 towards liquor outlet 129 State and to above-mentioned return pipe arrangement supply state.

According to above structure, seeding transplant machine 1 crosses over the state on ridge at front-wheel 8 and trailing wheel 7 by left and right Under, make body voluntarily by mobile devices 4, the paddy on the ridge in order to pass through at the front-wheel 8 in left side and trailing wheel 7 Portion's walking, by the operator at the rear of the trailing wheel 7 being in left side to the Seedling conveying unit 5 of this body voluntarily Upper lateral delivery section 5a supply Radix Ipomoeae Seedling.Seedling conveying unit 5 transports the Seedling supplied, then Seedling plantation The Seedling moved to plantation supply position A by Seedling conveying unit 5 is planted in farmland by device 6.Seedling transports Portion 5 possesses multiple Seedling folding and unfolding body 26 in Seedling conveyance direction C, Radix Ipomoeae Seedling with its rattan towards the appearance of fore-and-aft direction Gesture folding and unfolding is at this Seedling folding and unfolding body 26.Operator passes through upper lateral delivery section 5a to the most left in body upper The Seedling folding and unfolding body 26 of a right direction conveyance supplies Seedling.I.e. operator by the bottom of the rattan of Seedling to clamping element 49 Supply and Seedling is fixed on Seedling folding and unfolding body 26.It is fed with Seedling folding and unfolding body 26 and upper lateral delivery section 5a of Seedling Transport below body continually by declining delivery section 5b.Seedling folding and unfolding is moved by this decline delivery section 5b Body 26 is transported to above body by rising delivery section 5c, returns above-mentioned upper lateral delivery section 5a Conveyance side, top.For Seedling cultivation device 6, its Seedling plantation holder 31 is risen by drive division Fall motion, is being retractable in by declining the Seedling folding and unfolding body 26 that delivery section 5b moves to plantation supply position A The rearward end of Seedling, the rear side at this Seedling folding and unfolding body 26 plays a role and is planted in farmland by Seedling.Now, Seedling is clamped by the clamping element 49 of Seedling folding and unfolding body 26 and fixing, but owing to the Seedling of Seedling cultivation device 6 plants clamping The chucking power of part 31 is bigger than the chucking power of this clamping element 49, and therefore Seedling cultivation device 6 is by making Seedling along plantation Track T side shifting backward, thus the rattan of Seedling can come off from clamping element 49.

When transplanting this Radix Ipomoeae Seedling, the bottom of the rattan of Seedling is fixed to be in the upper of Seedling conveying unit 5 by operator The clamping element 49 of the Seedling folding and unfolding body 26 of lateral transfer portion of portion 5a supplies, if the lower end of the rattan t with bending Supply towards the state of downside, then this Seedling is transported by Seedling conveying unit 5, at plantation supply position A, rattan t's Lower end becomes the state towards upside, the leaf of Seedling relative to rattan towards upside.Then, Seedling cultivation device is utilized 6, Seedling is transplanted in soil with this posture.Therefore, the Seedling of Seedling cultivation device 6 conveyance row in soil Cheng Danchun, therefore rattan is difficult to bending or distortion, improves while transplanting precision, it is possible to relative to inclination Rattan makes leaf intensively towards the state migration Radix Ipomoeae Seedling of upside.It addition, a pair Seedling plantation clamping extended up and down Part 31 clamps the lower end of the upwards rattan of lateral bend at plantation supply position A with the state that forward side tilts, because of This can make Seedling plantation holder 31 towards relative to bending rattan lower end towards be in close to hang down Nogata to state, even if the position of Seedling plantation supply position A slightly offset, it is also possible to realize Seedling Clamping reliabilization, stabilisation, it is possible to suitable posture plantation Seedling, carry out the transplanting of stable Seedling.

Thus, owing to can make leaf intensively towards the state migration Radix Ipomoeae of upside with the rattan relative to inclination Seedling, the leaf of the Seedling after therefore transplanting can be prominent and accept the light of sunlight etc. outside soil, and the elongation of root is also Vigorous, carry out good growth, it is possible to the cultivation making Radix Ipomoeae is vigorous.Further, since according to rattan particularly The lower end of the rattan being easily bent towards judge the leaf axle center relative to rattan towards and transplant, therefore This judgement becomes easy, easily carries out supplying the operation of Seedling to clamping element 49, improves operator to Seedling folding and unfolding The working performance of the Seedling supply operation of body 26, can make Seedling conveying unit 5 high to improve transplanting working performance Quick-action is made, it is possible to realize the raising of the working performance of the Seedling conveyance operation of Seedling conveying unit 5.

Claims (3)

1. a seeding transplant machine, it is characterised in that

Arrange: mobile devices (4)；The Seedling conveying unit (5) of conveyance Seedling；To be transported by Seedling conveying unit (5) Seedling to plantation supply position (A) plants the Seedling cultivation device (6) in farmland, Seedling cultivation device (6) Make Seedling plantation holder (31) of the Seedling making clamping plantation supply position (A) with the longest track (T) action and by Seedling plantation structure in farmland, the left and right being arranged on the Seedling after plantation carries out earthing The earthing part (92) of left and right and move downward between the earthing part (92) of left and right and after pressing plantation Pressure ground part (100) of the soil of the top of Seedling, pressure ground part (100) is made under pressure ground state from body side Face is included in when observing in the earthing part (92) of left and right, and is arranged on the basis of earthing part (92) backward The structure of the position of side skew, and, pressure ground part (100) is arranged on pressure ground framework (101) rotated upwardly and downwardly On, pressure ground framework (101) is with making the pressure by rotating linkedly with above-mentioned Seedling cultivation device (6) with convex Wheel (102) is moved downward the rotation of side by restriction and carries out the structure moved up and down, and arranges restriction pressure ground frame The fixture (105) that frame (101) moves up and down, moves to from above-mentioned pressure when making above-mentioned fixing piece (105) During the position that the up and down motion track on ground framework (101) is kept out of the way, above-mentioned pressure ground cam (102) makes above-mentioned Pressure ground framework (101) moves up and down, and carries out the pressure ground of soil after having planted Seedling, and, above-mentioned when making When fixture (105) and above-mentioned pressure ground framework (101) contacts, above-mentioned pressure framework (101) from The position that moves upward kept out of the way with cam (102) with stating pressure is kept and limits up and down motion, enters independently The plantation of row Seedling.

Seeding transplant machine the most according to claim 1, it is characterised in that

Constituted in the way of position before and after with can regulating pressure part (100).

Seeding transplant machine the most according to claim 1 and 2, it is characterised in that

Make to swing up and down and Seedling conveying unit (5) and Seedling cultivation device (6) are set freely, by earthing part (92) ground connection, supports Seedling conveying unit (5) and the structure of Seedling cultivation device (6), with Seedling from face, farmland The earthing part height of the height of earthing part (92) is regulated on the basis of conveying unit (5) and Seedling cultivation device (6) Regulation operating parts (97), to having the left and right lopsidedness of operation handle (2) and rearward extending, configures Lower section or close beneath in operation handle (2).