JP2009201484A5 - - Google Patents

Description

Seedling planting machine

  Regarding the auxiliary seedling placement device of the seedling planting machine, seedlings to be supplied to the seedling tank of the seedling planting device are placed in advance on the auxiliary seedling slider before seedling planting work, and seedlings are seeded from the rear end of the auxiliary seedling slider. The seedling planting work is carried out while feeding to the seedling tank while taking out.

A technique (for example, refer to Patent Document 1) in which an auxiliary seedling slider is disposed on a lateral portion of a seat on a vehicle body is known.
JP 2007-236256 A (page 3, FIG. 1).

  When seedlings are seeded from the seedling tray supplied by the auxiliary seedling slider and supplied to the seedling tank, a seedling collecting plate is placed on the bottom surface of the mat seedling in the seedling tray fed to the bottom of the rear end of the auxiliary seedling slider. The mat-like seedlings in the seedling tray are scooped up by inserting them so that they are pushed from the rear side toward the front side. At this time, when the seedling tray is pushed forward by resistance when the seedling collecting plate is inserted into the bottom surface of the seedling tray, the seedling escapes to the front side, making it difficult to perform seedling harvesting. . For this reason, seedling harvesting is performed with the operator holding the seedling tray by hand and fixing it.

The invention described in claim 1 includes a vehicle body (6) including a front wheel (9), a rear wheel (10), and an engine (11) . An auxiliary seedling slider (4) provided with a seedling planting device (4) having a seedling tank (24) to be supplied to the nail and capable of receiving a plurality of seedling boxes (1) containing seedlings in the vehicle body (6) and sliding backward in seedling planting machine to place the auxiliary seedling transfer device comprising a 2), to the auxiliary seedling slider (2), so as not to move the seedling box at the rear end portion of the auxiliary seedling slider (2) to (1) to the front side A seedling planting machine characterized in that a seedling receiving stage (3) to be locked is formed .

The invention according to claim 2 is characterized in that the bottom part (7) of the rear part of the auxiliary seedling slider (2) is formed to be rotatable or wide so that the seedling box (at the rear end part of the auxiliary seedling slider (2) ( The seedling transplanter according to claim 1, wherein 1) is provided so as to be capable of turning. When inserting the seedling plate into the seedling box (1) on the bottom (7) of the rear end of the auxiliary seedling slider (2) and scooping the mat-shaped seedling in the seedling box (1), For example, when picking up the seedling slider (2) from the left and right lateral directions, the seedling box (1) is turned to a direction along the direction in which the seedling box (1) is easily picked. Facilitates scooping by inserting plates.
The invention according to claim 3 is provided so that the auxiliary seedling slider (2) can be removed, and holders (39, 40) for storing the removed auxiliary seedling slider (2) are provided along the seedling tank (24). The seedling transplanter according to claim 1.
According to the fourth aspect of the present invention, the first mud link (46) that is rotatable around the first link pivot (49) is urged by the spring (50), and the first mud link (46) is urged. ) Provided with a second mud link (47) that is rotatable around a second link pivot (51) and whose base end is slidable along the link base (48). The tip of the mud link (46) and the tip of the second mud link (47) are configured to face the front side and the back side of the lug (45) of the rear wheel (10). The seedling transplanter is as described.

According to the first aspect of the present invention, the seedling box 1 is locked to the seedling receiving stage 3 when the seedling box 1 is picked up from the seedling box 1 on the bottom surface 7 of the rear end portion of the auxiliary seedling slider 2. It is easy to perform the seedling collecting action by the plate, and accurate and easy seedling harvesting can be performed. And realized with a simple construction of the auxiliary seedling slider 2 by forming a seedling受段3.

In addition to the effect of the invention described in claim 1, the invention described in claim 2 is configured so that the bottom 7 of the rear end portion of the auxiliary seedling slider 2 can be turned. In a state where it is easy to perform seedling harvesting in the direction of the seedling harvesting position, the seedling harvesting action can be performed accurately and quickly without pushing back the seedling box 1 subsequent to the auxiliary seedling slider 2. In addition, the bottom portion 7 of the rear end portion can be rotated, or the configuration of the seedling box 1 formed widely can be changed, so that the configuration can be simplified.
In addition to the effect of the invention described in claim 1, the invention described in claim 3 can store the removed auxiliary seedling slider 2 along the seedling tank 24 by the holders 39 and 40.
In addition to the effect of the invention described in claim 1, the invention described in claim 4 can perform both the front and back mud of the lug 45 of the rear wheel 10 by a simple cross-link mechanism, thereby simplifying the configuration. can do.

  Based on the illustrated example, a tractor body 6 having a four-wheel drive configuration having a front wheel 9 that can be steered by a steering handle 8 and a rear wheel 10 and traveling by an engine 11 mounted below the seat is provided. The seedling planting device 4 is mounted so as to be movable up and down via a lift link 12 in the form of a parallel link, and the auxiliary seedling slider 2 is disposed along the left and right sides of the seat 5 and the steering post 13 at the front of the vehicle body 6. . In addition, a fertilizer application device including a fertilizer tank 14, a fertilizer feeding device 15, a blower 16 for conveying fertilizer, a fertilizer hose 17 and the like is provided on the rear side of the seat 5 as a seat at the rear portion of the vehicle body 6, Fertilization is guided to the groove formed by the groove cutter 19 on the soil surface leveled by the float 18. The seedling planting device 4 has a center and a side float 18 below the seedling planting frame 22 that is connected to the hitch link 20 at the rear end of the lift link 12 so as to be rotatable about the rolling shaft 21. The seedling planting claws 23 are arranged on the rear side portion so as to face the leveling traces of the floats 18 on the rear side portion, and a seedling tank 24 having a rearward and downward slope is provided on the upper side portion. It is configured as a strip seedling planting form. The seedling tank 24 reciprocates in the horizontal direction with respect to the seedling planting claws 23 at the rear lower end, and at the lateral end portion, the feeding belt 25 is rotated by an appropriate amount every time so that the mat seedlings accommodated in the seedling tanks 24 are accommodated. Is fed out into the working volume of the seedling planting claw 23. In addition, such a seedling tank 24 can accommodate a plurality of mat seedlings connected in the vertical direction, with the upper end portion of the seedling tank 24 approaching the fertilizer tank 14 on the rear side of the sheet 5, The mat seedling is easily supplied by the driver on the upper seat of the seat 5. In addition, such a seedling planting device 4 can be lifted and lowered via the lift link 12 by the expansion and contraction of the lift cylinder 26 at the rear of the vehicle body 6, and the upper end portion of the seedling tank 4 is brought closer to the seat 5 side during this ascent. The seedling is easily supplied.

Here, this seedling planting machine receives a seedling tray 1 as a plurality of seedling boxes in which a seedling planting device 4 is arranged at the rear part of a vehicle body 6 having a riding seat 5 and mated seedling seedlings are accommodated at the front part. In the seedling planting machine in which the auxiliary seedling slider 2 slidable rearward is disposed, the movement of the rear end seedling tray 1 to the front side is locked to the rear bottom portion 7 which is the bottom portion of the rear end portion of the auxiliary seedling slider 2. It is set as the structure of the auxiliary seedling mounting apparatus characterized by having formed the seedling receiving stage 3 to perform. When seedlings are planted, a plurality of seedling trays 1 are placed in advance on the upper surface of the auxiliary seedling slider 2, and when seedlings are supplied by reducing seedlings in the seedling tank 24 of the seedling planting device 4, the sheet The driver inserts a seedling collecting plate into the seedling tray 1 fed to the upper surface of the rear bottom 7 at the rear end of the auxiliary seedling slider 2 and scoops the mat-shaped seedling in the seedling tray 1. At this time, even if the seedling tray 1 is pushed to the front side by the cutting resistance by the seedling collecting plate , since the seedling receiving stage 3 is formed on the auxiliary seedling slider 2 , the front end of the seedling tray 1 is the seed receiving stage. Since the seedling tray 1 does not escape by being locked to the three parts, the seedling collecting action by the seedling collecting plate can be accurately performed.

Further, the configuration of the auxiliary seedling device of the seedling planting machine, characterized in that the rear bottom portion 7 of the auxiliary seedling slider 2 is formed to be rotatable or wide so that the rear end seedling tray 1 can be turned. To do. When the seedling tray 1 is inserted into the seedling tray 1 fed to the upper surface of the rear bottom portion 7 of the rear end of the auxiliary seedling slider 2 and the mat-like seedling in the seedling tray 1 is scooped up, the auxiliary seedling slider 2 is moved in the front-rear direction. On the other hand, for example, when picking up from the left and right lateral direction, the seedling tray 1 is turned to a direction along the seedling picking direction to facilitate scooping by inserting a seedling collecting plate.

  Step floors 27 are provided on the left and right side portions of the steering post 13 and the seat 5, and the auxiliary seedling slider 2 is supported on the outer upper portion of the step floor 27. Each auxiliary seedling slider 2 is formed long in the front-rear direction and provided with a front end projecting forward in the front of the vehicle body 6 so that a large number of seedling trays 1 grown in a mat shape can be placed side by side in the front-rear direction and accommodated. Can be pushed and moved to the rear. Further, these auxiliary seedling sliders 2 can also be configured to be able to be fed out and transferred rearward by being tilted and rotated backward and downward or by providing a roller 31 on the bottom surface. The auxiliary seedling slider 2 is supported on the vehicle body 6 by a support frame 28. The auxiliary seedling slider 2 is formed in a square shape so that the front end is narrowed inward and the rear end is widened outward. The support structure is movable. In addition, each auxiliary seedling slider 2 is provided so as to be divided or foldable appropriately in the length direction by the connecting hinge 33, and the front part 2F and the rear part 2R are separated and superposed on the central part 2M, It is configured to be stowable. Each auxiliary seedling slider 2 has its rear end positioned on the left and right outer sides of the sheet 5, and is pulled out to the rear of the seedling tray 1 for mat seedling accommodation by the driver on the sheet 5, and from the seedling tray 1. Facilitates removal of mat seedlings. A fertilizer chute 29 is provided along the side portion of the auxiliary seedling slider 2, and the fertilizer supplied from the hopper 30 at the front end can be conveyed rearward and supplied to the fertilizer tank 14 by a downward slope.

  Under the auxiliary seedling slider 2, a tray slider 37 inclined downward at the front end is provided, and the rear end portion is positioned on the side of the sheet 5, so that the empty seedling tray 1 after taking out the seedling can be supplied. The empty tray 1 is guided to discharge forward.

  The seedling tray 1 is a square shaped seedling box, and can be nurtured by matting seedlings 35 by filling a seedling bed material and sowing seedlings. The seedling tray 1 thus grown is preliminarily placed on the auxiliary seedling slider 2. In this state, the mat seedlings 35 in the seedling tray 1 are scooped up by the seedling collecting plate 34 and supplied onto the seedling tank 24 to continue the seedling planting operation. A rear stopper 36 for locking the rear end of the seedling tray 1 is formed at the rear end portion of the auxiliary seedling slider 2 rear bottom portion 7, and a seedling receiving step 3 is formed at an appropriate height at the front end of the rear bottom portion 7, The rear movement of the seedling tray 1 received on the rear bottom portion 7 is formed so as to be able to be locked. In addition, the seedling receiving stage 3 can be formed at a height of several seedling trays 1 as shown in FIG. 3, and a seedling extraction operation can be performed so as to scoop the seedlings 35 in a state where the empty seedling tray 1 is polymerized. When the seedling tray 1 fed to the rear seedling tank 24 side along the upper surface of the auxiliary seedling slider 2 is placed on the upper surface of the rear bottom portion 7 of the rear end portion, the front seedling receiving stage 3 and the rear rear stopper 36 Located between. The rear end portion of the mat seedling 35 is floated at the position of the seedling tray 1 and the seedling collecting plate 34 is inserted into the bottom surface of the mat seedling 35 from the rear side and pushed forward to scoop up. When the seedling tray 1 is moved to the front side by the cutting action by the seedling collecting plate 34 at this time, the front end is locked to the seedling receiving stage 3, so that the seedling tray 1 is prevented from escaping forward and the seedling collecting is performed. The plate 34 can be inserted effectively. For this reason, when the seedling collecting plate 34 is inserted and the harvesting operation is performed, the operator does not need to perform an operation such as stopping and fixing the seedling tray 1 by hand. The mat seedling 35 picked up by the seedling collecting plate 34 in this way is supplied to the seedling tank 24 of the seedling planting device 4. The empty seedling tray 1 from which the seedling 35 has been taken out in this way is supplied to the tray slider 37 below the auxiliary seedling slider 2. The tray slider 37 holds and holds the empty seedling tray 1 during seedling planting work, and when the seedling tray 1 is replenished to the auxiliary seedling slider 2, the front end portion of the tray slider 37 is opened to empty the seedling tray. 1 can be discharged.

  Next, mainly based on FIG. 4, the rear bottom portion 7 of the rear end portion of the auxiliary seedling slider 2 is rotated A around the support shaft 38 so that the direction of the seedling tray 1 can be changed. When the mat seedling 35 is picked up from the seedling tray 1 on the rear bottom portion 7 by the seedling collecting plate 34, and when the seedling collecting plate 34 is inserted and picked up from the side of the auxiliary seedling slider 2, the rear bottom portion 7 is removed. The mat seedling 35 is easily picked up by inserting the seedling collecting plate 34 in a posture in which the seedling tray 1 is set to a posture in which the direction of the seedling tray 1 is set to the horizontal orientation.

  Further, when the rear bottom portion 7 is formed wide so that the placed seedling tray 1 can be turned B, the seedling tray 1 is rotated B in the horizontal direction in the same manner as described above, and the seedling tray 1 can be turned from the side. The seedling 35 can be removed by inserting the catch plate 34.

  Next, based on FIG. 9, the auxiliary seedling slider 2 is detachably provided, and the removed auxiliary seedling slider 2 is attached to the rear holder 39 or the seedling tank along the rear surface of the seedling tank 24 in the seedling planting device 4. 24 is provided so as to be housed in the front holder 40 along the back surface. In the form in which the auxiliary seedling slider 2 has the support leg 41, the support leg 41 can be folded around the support shaft 42, and is folded into and out of the holder 39 or 40 part.

  Next, based on FIG. 10, the fertilizer supply chute 29 is rotated up and down around the support shaft 42 portion of the rear end fertilizer tank 14, and the fertilizer supplied to the front end hopper 30 is tilted rearward and downward. It is made to flow down by the chute 29 and is supplied to the fertilizer tank 14.

Next, based on FIG. 11 and FIG. 12, there are provided mud links 46 and 47 for scraping off the adhering mud of the rear end 10 lug 45, and the mud links 46 and 47 are seedlings on the rear side of the rear wheel 10. By attaching to the hitch link 20 on the planting device 4 side and slidingly contacting the front and back surfaces of the lug 45 of the rotating rear wheel 10, the mud attached to each lug 45 and scraped around is scraped off. A link base 48 is protruded from the hitch link 20 to the front side, and a mud link 46 that is rotatable up and down is provided around the link pivot 49 at the front end portion, and is urged to rotate downward by a spring 50. The tip of the mud link 46 is slidably opposed to the surface side of the lug 45. Further, a mud link 47 is provided at the intermediate portion of the mud link 46 so as to be rotatable around the link pivot 51, and the tip can be slidably opposed to the back side of the lug 45. The base end portion 52 of the mud link 47 is slidably guided back and forth F along the upper surface of the link base 48. The forward rotation of the rear wheel 10, when each lug 45 is at the rear rising speed region, and scooped the tip of the lug 45 surface result Doro掻link 46 pivots (A), in this Doro掻link 46 The surface of the lug 45 can be scraped G from the inside to the outside, and the mud is scraped off. Further, at this time, the tip of the mud link 47 is brought close to the back surface of the lug 45 and is scraped G in the same manner as in (B), and the mud on the front and back surfaces of the lug 45 is scraped off. Such a mud scraping action is performed by switching to the subsequently rotating lugs 45 (C), and the mud action in each lug 45 is performed. By such a simple cross link mechanism, the front and back surfaces of the rear wheel 10 lug 45 can be muddy, and the configuration can be simplified.

  Next, mainly based on FIG. 13, a lid 56 that is rotatable up and down around the support shaft 57 is provided on the rear side portion of the fertilizer opening 55 of the groove cutter 19 disposed in the flat portion by the floats 18. When this grooving device 19 advances F, it receives resistance of the mud surface A, the lid 56 rotates upward, and the fertilizer opening 55 is opened, so that fertilization can be performed smoothly. Moreover, when the seedling planting machine reverses R or when the seedling planting device 4 is raised, the lid 56 receives the resistance of the mud surface A or is automatically moved down to close the fertilizer opening 55, Intrusion of mud or the like into the fertilizer opening 55 can be prevented.

  Next, mainly based on FIG. 14, the engine 11 is stopped by standing up from a state in which the driver is seated on the seat 5 and locking by applying a brake. A switch 62 for turning on and off the idling stop is configured separately. The seat switch 60 is turned on and off when the driver is seated on the seat 5, and the brake lock switch 61 is turned on and off by depressing and locking the brake pedal that brakes the rotation of the rear wheel 10. The stop of the engine 11 can be controlled by the input to the controller 63.

  Further, during the seedling planting operation, when the seedling reduction sensor 63 provided in the seedling tank 24 detects that the seedling has decreased and the brake lock switch 61 is turned on, the engine 11 is stopped.

Further, during the seedling planting operation, the fertilizer running-out sensor 64 detects that the fertilizer in the fertilizer tank 14 has run out and stops the engine 11 by locking the brake.
Furthermore, the engine 11 is stopped when a state in which the brake lock sensor 61 detects the engagement position of the seedling planting clutch sensor 65 for detecting whether the seedling planting clutch is engaged or disengaged and the brake lock sensor 61 remains in the brake lock detection state for a certain period of time. Thus, it is possible to prevent an adverse effect caused by an unexpected idling stop of the engine 11.

Next, mainly with reference to FIG. 15, which was a configuration of the float 18 forming the longitudinal direction of the drainage groove 66 in the upper surface, a portion of the thus pushed up is mud in front sled 67, the float 18 top By guiding the water draining groove 66 formed into a recess to flow out to the rear end of the float, the mud pushing action to the side by the float 18 is reduced, and the influence on the adjacent seedling planting strip is reduced. Accurate seedling planting and leveling are performed. The T-shaped float 18 is formed with a wide width in the sled portion 67, a float body 68 is formed along the center portion, and a drain groove 66 is formed on the upper surface. The inverted U-shaped float 18 has a bifurcated float body 68 formed on both left and right sides of the sled portion 67, and a drainage groove 66 formed on the upper surface.

  Next, based on FIG. 16, a tool 71 for detaching the spring 70 is shown. A hook 73 that engages a hook portion 72 of the spring 70 is formed at the tip of the tool 71, and a base is formed at the base portion. A handle 74 is formed. A plate 75 extending in the direction of the tip of the tool 71 is formed on one side of the hook 73. By receiving A near the hook portion 72 of the spring 70 with the plate 75, the direction of the hook portion 72 can be changed B, and the hook portion 72 can be accurately hooked and removed from the hook hole 77 of the spring hooking member 76. Can be done.

The perspective view which shows a partial effect | action of an auxiliary seedling slider. The side view. The side view which shows a part another example. The top view of the auxiliary seedling slider which shows another example. The side view of a seedling transplanter. The plan view. The auxiliary seedling slider partial plan view. The side view. The side view and the top view which show the accommodation state of the auxiliary seedling slider. The side view which shows the effect | action of a fertilizer chute | shoot part. The side view of a rear-wheel part. The side view which shows the mud action of a rear-wheel lug. The side view which shows the effect | action of a groove cutter part. The block diagram of engine control. The perspective view of a float. The perspective view of a spring tool, and the side view which shows the effect | action.

DESCRIPTION OF SYMBOLS 1 Seedling tray 2 Auxiliary seedling slider 3 Seed receiving stage 4 Seedling planting device 5 Sheet 6 Car body 7 Rear bottom

Claims (4)

A seedling tank (24) provided with a vehicle body (6) including a front wheel (9), a rear wheel (10) and an engine (11), and feeding seedlings to be fed to a rear part of the vehicle body (6) and feeding them to the seedling claw An auxiliary seedling placement device including an auxiliary seedling slider (2) that is slidable rearward by receiving a plurality of seedling boxes (1) containing seedlings in a vehicle body (6). in the arrangement for seedling planting machine, the auxiliary seedling slider (2), the auxiliary seedling slider (2) of the seedling box in the rear end (1) a locking against movement forwardly seedlings受段(3) A seedling transplanter characterized by forming The bottom part (7) of the rear part of the auxiliary seedling slider (2) is turnable or widely formed, and the seedling box (1) at the rear end part of the auxiliary seedling slider (2) is provided so as to be capable of turning. The seedling transplanter according to claim 1, wherein: The seedling planting according to claim 1, wherein the auxiliary seedling slider (2) is detachably provided and a holder (39, 40) for storing the removed auxiliary seedling slider (2) is provided along the seedling tank (24). Machine. A first mud link (46) that is rotatable around the first link pivot (49) is biased by a spring (50), and a second link pivot provided on the first mud link (46). (51) A second mud link (47) that is rotatable around the base and slidable along the link base (48) is provided, and the tip of the first mud link (46) The seedling transplanter according to claim 1, wherein the tip of the second mud link (47) opposes the front side and the back side of the lug (45) of the rear wheel (10).