JP5141291B2 - Tray-type seedling transplanter - Google Patents

Description

  The present invention relates to a tray-type seedling transplanting machine in which seedlings are planted and run by an operator supplying and discharging a tray containing seedlings.

  As shown in Patent Document 1, the tray-type seedling transplanter includes a transfer path in which a tray that stores seedlings makes a U-turn and is returned to the tray supply side. A body for walking maneuvering a seedling tray transport device having an extraction portion at the other end, a seedling extraction device that takes out the seedling from the tray facing the seedling extraction portion, and a planting device that receives the seedling and transplants the seedling in the field Loaded and configured.

When the seedling tray transport device of the rear feeding / discharging arrangement receives the seedling tray from the tray feeding / discharging portion at one end thereof, the seedling tray is returned to the original through the seedling extraction portion at the other end by the transfer path of the seedling tray bent in a U-turn shape The seedling extraction device that is transferred to the tray supply / discharge unit and faces the seedling extraction unit extracts the seedling from the seedling tray, and the seedling is received by the planting device and planted in the field.
Since this seedling tray supply / discharge operation is performed by a walking worker from the rear of the machine body, a riding-type tray-type seedling transplanter has been studied in order to reduce the burden on the walking worker.
JP 2001-314106 A

  However, in order to secure a riding work space in the tray-type seedling transplanter, a supply / discharge work space including a worker's seat is required behind the seedling tray transfer device, which causes an increase in the overall length of the aircraft. Could not be avoided.

  It is an object of the present invention to provide a riding-type tray-type seedling transplanter that can be configured with a compact size that ensures a stable working space for supplying and discharging a seedling tray and minimizing the overall length of the fuselage. It is to provide.

The invention according to claim 1 is provided with a bent transfer path in which the flexible tray is transferred so as to make a U-turn to the supply side, and the tray supply / discharge portion is formed on one end side and is positioned on the bent transfer path. A seedling tray transport device having a seedling extraction portion formed on the other end side, a seedling extraction device that faces the seedling extraction portion and extracts a stored seedling from the tray, and a planting device that receives the seedling and transplants the seedling into the field In the tray type seedling transplanting machine composed of a traveling machine body for loading each of these transplanting devices, the seedling tray transporting device is disposed at the front part of the machine body for rear feeding / discharging operation, and faces the tray feeding / discharging unit. A seat for the operator is provided at the rear of the machine body, and a floor for the operator is provided below the seedling tray transfer device, and a planting depth lever for adjusting the support height of the machine body is provided on this floor. Place and engine and transmission under the seat above The transmission transmission support portions are provided on both the left and right sides of the speed change transmission mechanism, the left and right driving wheels are supported by the traveling transmission support portions, and the left and right front wheel support portions that are pivotally supported on the front portion of the machine body are provided. The front wheel is supported, the left and right front wheels and the left and right drive wheels are moved up and down, the aircraft is raised and lowered, a steering handle for walking operation is provided at the rear of the aircraft, and a vehicle height adjustment device linked to the seating is provided in the seat In addition, a work seat is provided separately from the seat, and the work seat is pivotally supported by a longitudinal axis so that the work seat can be tilted to the left and right, and the left and right front wheels are steered to the side inclined by the tilt of the work seat . It is characterized by that.

The seedling tray conveying device in the rear feeding / discharging arrangement receives the seedling tray from the tray feeding / discharging portion on one end side thereof, and passes the seedling tray through the seedling extracting portion on the other end side by the transfer path of the seedling tray bent in a U-turn shape. The seedling picking device that returns to the original side and picks up the seedling from the seedling tray takes out the seedling from the seedling tray, and the seedling is received by the planting device and planted in the field. A seat disposed close to the end secures a supply / discharge work space for the seed tray supply / discharge operation .

The invention according to claim 2 is provided with a bent transfer path in which the flexible tray is transferred so as to make a U-turn to the supply side, and the tray supply / discharge portion is formed on one end side and is positioned on the bent transfer path. A seedling tray transport device having a seedling extraction portion formed on the other end side, a seedling extraction device that faces the seedling extraction portion and extracts a stored seedling from the tray, and a planting device that receives the seedling and transplants the seedling into the field In the tray type seedling transplanting machine composed of a traveling machine body for loading each of these transplanting devices, the seedling tray transporting device is disposed at the front part of the machine body for rear feeding / discharging operation, and faces the tray feeding / discharging unit. A seat for the operator is provided at the rear of the machine body, and a floor for the operator is provided below the seedling tray transfer device, and a planting depth lever for adjusting the support height of the machine body is provided on this floor. Place and engine and transmission under the seat above The transmission transmission support portions are provided on both the left and right sides of the speed change transmission mechanism, the left and right driving wheels are supported by the traveling transmission support portions, and the left and right front wheel support portions that are pivotally supported on the front portion of the machine body are provided. the front wheel support, the left and right front wheels and left and right drive wheels is moved up and down, to lift the aircraft, the provided steering wheel for walking operation to the rear of the machine body, the upper Kinae extraction device for extracting the seedlings from the tray A seedling extraction claw that moves forward and backward, and a holder that swings while holding the seedling extraction claw, and is configured so that seedlings can be transferred by the seedling extraction claw between the seedling tray transfer device and the planting device. with, in the above holding member attaching the camera to detect the presence or absence of seedlings, the camera in a state where the seedling taking out claws stopped facing the seedling tray side allows detecting the presence or absence of seedlings seedling position, the upper Kinae tray transporting The device includes a tray that detects the end of the transported tray. The provided Isensa, the tray sensor with a configuration in which alarm upon detecting the end of the tray, characterized in that the stop configured to be able to alarm in conjunction with the operation of loosening the throttle wire.

The tray-type seedling transplanter of the configuration of claim 1 has a stable working space for supplying and discharging the seedling tray by the floor configured immediately below the seedling tray transporting device and the seat in the proximity arrangement, The planting performance can be improved by a compact configuration that minimizes the overall length of the aircraft. In addition, since the vehicle height adjustment device linked to the seating is provided on the seat, it is possible to easily get on and off the aircraft even when the heel is high. In addition, since the work seat is pivotally supported so that it can be tilted to the left and right by the longitudinal axis, the operator seated on the work seat can easily correct the posture, thereby improving the workability of replenishing seedlings to the transplanted part. Can do. In addition, since the left and right front wheels are steered to the side inclined by the tilting of the work seat, the traveling direction can be corrected while the seedling supply operation is being performed.
Tray type seedling transplantation machine arrangement of claim 2, since the camera can detect the presence or absence of seedlings seedling position, it is possible to prevent the planting Ketsukabu. In addition, since the notification can be stopped in conjunction with the operation of loosening the throttle wire, a complicated operation for stopping the firing can be eliminated.

Embodiments specifically configured based on the above technical idea will be described below with reference to the drawings.
FIG. 1 is a side view of a tray-type seedling transplanter according to the present invention. The tray-type seedling transplanter constitutes a traveling machine body capable of traveling on the field by a machine body frame 4 including left and right drive wheels 2 and 2 and left and right front wheels 3 and 3 that guide and support the front end side of the machine body. The machine body frame 4 includes a seedling tray transport device 5 that transports the input flexible tray so as to return it to the same side again, a seedling extraction device 6 that takes out the seedling from the tray facing the seedling extraction portion, and A transplanted part comprising a planting device 7 for receiving seedlings and planting seedlings in a field is loaded on the front part of the aircraft.

  In addition, a seat 8 for the worker is provided in the vicinity of the tray feeding / discharging unit of the seedling tray transporting device, and a floor 9 is provided below the seedling tray transporting device for the seating worker to perform feeding / discharging work, The seat 8 and the floor 9 form a work space for tray supply / discharge.

  Specifically, the fuselage frame 4 is integrally formed with an engine-integrated transmission transmission mechanism 11 below the seat 8, and is arranged in parallel on both sides of the transmission transmission mechanism 11 to support the left and right drive wheels 2, 2. The left and right front wheels 3 and 3 are supported via left and right front wheel support portions 3a and 3a that are pivotally supported on the front of the machine body.

  A step 9a for getting on and off is provided on the side of the seat 8 from the body frame 4 and an auxiliary seedling frame 13 is erected. A steering handle 14 for walking operation is extended to the rear of the body frame 4. The handle 14 is configured to enable the direction change operation of the airframe by floating the front part of the airframe by the push-down operation, and for operation of the traveling clutch, engine throttle, planting clutch, etc., the left and right clutch levers 15, The operation system including 15 is centrally arranged. The base of the handle 14 is configured as an empty tray space A.

  The speed change transmission mechanism 11 is configured so that power transmission to the left and right drive wheels 2 and 2 can be controlled by the left and right side clutches provided for the convenience of the aircraft turning operation, and the left and right travel transmission support portions 16 and 16 are controlled. A body lift mechanism comprising a link 16a, 16a with a turnbuckle for adjusting the inclination by connecting to a main cylinder 17 for adjusting the inclination of both of them via an equalizer 17a connected to the left and right front wheel support portions 3a, 3a. In addition to being able to adjust the support height of the fuselage, it will be connected to supply running synchronous power to the transplant.

  The seedling tray transport device 5 of the transplanting section includes a tray base 5d that moves the tray while reciprocating left and right. The tray base 5d includes a tray supply / discharge section 5a on the rear end side and a seedling extraction section 5b on the front end side. A transfer mechanism 5e is provided for transferring a flexible tray along a bent transfer path 5c that is formed and U-turns from the tray supply / discharge section 5a to the original supply side through the seedling extraction section 5b. Composed.

  The tray transfer operation by the seedling tray transfer device 5 is performed by moving the flexible trays containing the seedlings in the vertical and horizontal arrays respectively at the moving side end while moving horizontally at a horizontal (width direction) grid pitch. The tray seedlings placed in the tray feeding / discharging unit 5a are sequentially positioned in the seedling extracting unit 5b by feeding vertically and moving in the direction (front / rear direction) grid pitch, and an empty tray from which the seedling extracting device 6 has extracted the seedlings Is conveyed along the bending transfer path 5c to the discharge position formed at the lower position on the supply side in an inverted posture. In the seedling extraction unit 5b of the seedling tray conveying device 5, the seedling extraction device 6 takes out the seedling from the positioned seedling tray, and the seedling is received by the planting device 7 and planted in the field.

  The tray-type seedling transplanter is arranged on the floor 9 immediately below the seedling tray transporting device 5 and the rear end of the device by arranging the seedling tray transporting device 5 for rear feeding / discharging operation and in a front-lowering posture. A space for feeding and discharging the seedling tray is secured by the seats 8 arranged close to each other.

  Therefore, the tray-type seedling transplanter having the above-described configuration secures a stable working space for supplying and discharging the seedling tray by the floor 9 configured immediately below the seedling tray transporting device 5 and the seat 8 disposed in the vicinity. At the same time, the planting performance can be improved by a compact configuration that minimizes the overall length of the aircraft.

  Further, a planting depth lever 18 for adjusting the support height of the machine body is arranged on the floor 9 below the seedling tray transporting device 5, and the vehicle height is adjusted by adjusting the hydraulic pressure of the main cylinder 17 by operating the lever. Configure to be adjustable. Further, if necessary, a buffer guide wire 8a for supporting the seat 8 as a spring and detecting a change in the height position at the time of seating is provided, and the vehicle height is adjusted by adjusting the hydraulic pressure via the buffer guide wire 8a. By configuring the apparatus, it is possible to easily get on and off the aircraft even when the kite is high.

(Walking seedling transplanter)
Next, as shown in FIG. 2 as a side view of the walking tray seedling transplanter, as another configuration example of the transplanting section, the seedling extracting device 6 has a seedling extracting claw that moves forward and backward to extract the seedling from the tray. 21 and a holding body 22 that holds the seedling extraction claw 21 and swings intermittently, so that the seedling extraction claw 21 can deliver seedlings between the seedling tray transfer device 5 and the planting device 7. Configure.

  In addition, a camera 23 for detecting the presence or absence of seedlings is attached to the holding body 22, and the camera 23 is configured to stop the seedling extraction claws 21 that are intermittently operated when the camera 23 faces the seedling tray side. Since the seedling removal position can be detected with certainty, planting deficiency can be prevented.

  Further, as shown in the enlarged view B of the main part of the seedling tray transporting device 5, a tray sensor 24 for detecting the end of the transported tray and issuing a buzzer or the like is provided in the tray passing range. At the same time, the tray sensor 24 is configured with an engagement lever 26 that elastically supports the throttle wire 25 extending to the handle 14 so that the detection operation is terminated by the loosening operation of the throttle wire 25.

  While the airframe is running, the tray sensor 24 is notified by detecting the end of the tray due to the tension of the throttle wire 25. At this time, in a conventional tray type seedling transplanter (for example, JP-A-10-276518, etc.) Without requiring such a troublesome operation for stopping the reporting, the reporting can be stopped in conjunction with the operation of loosening the throttle wire 25 to stop the vehicle running in order to replenish seedlings.

(Circular table type seedling transplanter)
Next, as shown in FIG. 3 which is a side view of the rotating table type seedling transplanter, the left and right traveling transmission support portions 16 and 16 constituting the transmission system of the driving wheels 2 and 2 are connected to the driving wheel 2 from the transmission mechanism 11. , 2 is provided with a chain (not shown), a parking brake (not shown) is provided on one of the left and right drive-side sprocket shafts 16b, 16b, and a continuously variable transmission mechanism 32, abbreviated as Velcon, is provided on the other.

  In the continuously variable transmission mechanism 32, the buffer guide wire 33 connected to the control arm 32a for the speed change operation is routed to the speed change lever 34 provided on the operator side on the left side of the handle 14 to increase or decrease the rotation difference between the left and right. In addition to being configured to be adjustable, the control arm 32a is configured to return to the neutral position upon receiving the hydraulic pressure when the aircraft is raised.

  The left and right traveling transmission support portions 16, 16 having the above-described configuration can balance the weight balance of the aircraft from the left and right sides compared to the one-side concentrated configuration (Japanese Patent Laid-Open No. 2000-6775, etc.), and do not interfere with each other. Maintenance becomes easy. Further, even if the operation of the continuously variable transmission mechanism 32 is forgotten when the machine is raised, the above configuration can return to neutral by interlocking with the ascent and prevent left-right rotation difference.

  Next, the auxiliary seedling frame 13 is attached so as to suspend the battery holding frame 13a, and the battery B is accommodated above the bonnet 11b covering the engine 11a at a substantially central position of the machine body. Since the weight balance can be optimized, the problem in the conventional configuration (Japanese Patent Laid-Open No. 11-253015, etc.) can be solved.

(Riding table type seedling transplanter)
Next, as shown in FIG. 4 which is a side view of the riding round table type seedling transplanter, the seedling transplanter includes a round table type transport unit 41 and a planting unit 42. A substantially L-shaped arm 44 is pivotally supported on a fulcrum 44a provided in the hopper 43, and the arm 44 is configured to swing so that the seedling can be moved backwards. Since it is made at an appropriate position with respect to the hopper 43, the seedling can be paid appropriately.

(Steering mechanism)
Next, as shown in FIG. 5, a perspective view (a) and a front view (b) of the steering mechanism of the riding seedling transplanter, a rearward working seat 51 facing a transplanted part (not shown) loaded on the rear part of the machine body. Is supported by a front / rear direction shaft 52 provided at the center position in the width direction so as to be tiltable left and right. With this work seat 51, the operator who is seated on the work seat 51 on an inclined ground or the like can easily correct the posture, so the workability of replenishing seedlings to the transplanted portion can be improved. Further, by configuring the steering system so that the airframe turns to the tilted side, the traveling direction can be corrected while performing seedling replenishment work.

  Regarding the configuration of the steering system in the above case, a configuration example in which the left and right front wheels 3 and 3 are steered by the link mechanism will be described in detail. From the both side portions 51a and 51a of the work seat 51 supported so as to be tiltable to the left and right The front wheels 3 and 3 are connected to the steering arms 53 and 53 by rods 54 and 54 which are inclined. When the operator who has seated the work seat 51 configured as described above tilts the work seat 51 to one side, the left and right front wheels 3, 3 are moved to the respective steering arms 53, by the left and right rods 54, 54 in an inclined posture. Since the rotational force is received by 53, the work seat 51 can be steered to the inclined side.

Side view of tray-type seedling transplanter Side view of ambulatory tray-type seedling transplanter Side view of round table type seedling transplanter Side view of a riding table type seedling transplanter Perspective view (a) and main part front view (b) of steering mechanism of riding seedling transplanter

2 Drive wheels 3 Front wheels 4 Airframe frame (airframe for traveling)
DESCRIPTION OF SYMBOLS 5 Seedling tray conveyance apparatus 5a Tray supply / discharge part 5b Seedling extraction part 5c Bending transfer path 5d Tray stand 5e Transfer mechanism 6 Seed extraction apparatus 7 Planting apparatus 8 Seat 9 Floor

Claims (2)

A bent tray (5c) that is transferred so that the flexible tray makes a U-turn toward the supply side, and the tray supply / discharge portion (5a) is formed on one end side, and the seedling is positioned on the bent transport path. Upon receiving the seedlings, a seedling tray transporting device (5) having an extraction portion (5b) formed at the other end, a seedling extraction device (6) that faces the seedling extraction portion (5b) and takes out the stored seedlings from the tray In a tray-type seedling transplanting machine comprising a planting device (7) for planting seedlings in a farm field and a traveling machine (4) for loading these devices for transplanting,
The seedling tray transporting device (5) is disposed at the front of the machine for rear feeding / discharging operation, and a worker seat (8) is provided at the rear of the machine facing the tray feeding / discharging unit (5a). A floor (9) for the operator is provided below the seedling tray transfer device (5),
On this floor (9), a planting depth lever (18) for adjusting the support height of the aircraft is arranged,
An engine and a transmission transmission mechanism (11) are provided below the seat (8), and traveling transmission support portions (16, 16) are provided on both the left and right sides of the transmission transmission mechanism (11), respectively. 16) supports the left and right drive wheels (2, 2),
The left and right front wheels (3, 3) are supported via the left and right front wheel support portions (3a, 3a) pivotally supported on the front of the machine body,
Move the left and right front wheels (3, 3) and left and right drive wheels (2, 2) up and down to raise and lower the aircraft,
A steering handle (14) for walking operation is provided at the rear of the aircraft ,
The seat (8) is provided with a vehicle height adjusting device that interlocks with the seating,
A work seat (51) is provided separately from the seat (8),
The work seat (51) is pivotally supported by the longitudinal axis (52) so as to be tiltable to the left and right, and the left and right front wheels (3, 3) are steered to the side inclined by the tilt of the work seat (51). tray type seedling transplanter, characterized in that the the. A bent tray (5c) that is transferred so that the flexible tray makes a U-turn toward the supply side, and the tray supply / discharge portion (5a) is formed on one end side, and the seedling is positioned on the bent transport path. Upon receiving the seedlings, a seedling tray transporting device (5) having an extraction portion (5b) formed at the other end, a seedling extraction device (6) that faces the seedling extraction portion (5b) and takes out the stored seedlings from the tray In a tray-type seedling transplanting machine comprising a planting device (7) for planting seedlings in a farm field and a traveling machine (4) for loading these devices for transplanting,
The seedling tray transporting device (5) is disposed at the front of the machine for rear feeding / discharging operation, and a worker seat (8) is provided at the rear of the machine facing the tray feeding / discharging unit (5a). A floor (9) for the operator is provided below the seedling tray transfer device (5),
On this floor (9), a planting depth lever (18) for adjusting the support height of the aircraft is arranged,
An engine and a transmission transmission mechanism (11) are provided below the seat (8), and traveling transmission support portions (16, 16) are provided on both the left and right sides of the transmission transmission mechanism (11), respectively. 16) supports the left and right drive wheels (2, 2),
The left and right front wheels (3, 3) are supported via the left and right front wheel support portions (3a, 3a) pivotally supported on the front of the machine body,
Move the left and right front wheels (3, 3) and left and right drive wheels (2, 2) up and down to raise and lower the aircraft,
A steering handle (14) for walking operation is provided at the rear of the aircraft,
Upper Kinae extraction device (6) includes a seedling taking out claw (21) that moves back and forth in order to extract the seedlings from the tray, the holding member for swinging movement by holding the seedling taking out claw (21) and (22) The seedling tray conveying device (5) and the planting device (7) are configured so that seedlings can be delivered by the seedling extraction claws (21), and the holding body (22) detects the presence or absence of seedlings. With the camera (23) attached, the camera (23) faces the seedling tray side with the seedling extraction claw (21) stopped, and can detect the presence or absence of seedlings at the seedling extraction position,
With the upper Kinae tray transporting device (5), provided with a tray sensor (24) for detecting the end of the tray to be conveyed, and configured to alarm when the tray sensor (24) detects the end of the tray , features and to belt lay type seedling transplanter that it has stopped configured to be able to alarm in conjunction with the operation of loosening the throttle wire (25).

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