JPH0775413A - Carrier for auxiliary seedling of seedling planter - Google Patents

Abstract

PURPOSE:To provide a carrier for auxiliary seedlings, having auxiliary seedling frames installed in a turning frame so as to vertically rotate and capable of readily loading the auxiliary seedlings onto the auxiliary seedling frames and enhancing the efficiency of the seedling planting operation. CONSTITUTION:This carrier for auxiliary seedlings of a seedling planter is provided by installing the seedling planter 4 composed of a seedling tank 2 and a seedling planter 3 at the rear of a riding car body 1 so as to enable the lifting and lowering, further providing supports 5 in front of the car body 1 so as to rotate back and forth, installing a turning frame 7 capable of turning around a turning shaft 6 in the vertical directions and opposing to the seedling tank 2 on the front, lateral and rear sides of the car body 1 in the supports 5 and equipping the turning frame 7 with auxiliary seedling frames 8 so as to vertically rotate from a seedling supporting posture for housing the auxiliary seedlings and supporting the auxiliary seedlings in a horizontal state to a seedling feeding posture for tilting thereof toward the seedling tank 2 and feeding the seedlings. Since the auxiliary seedling frames 8 are supported through the supports 5, turning frame, etc., on the car body 1, the position in the front and rear directions of the car body 1 can be selected by the rotation in the front and rear directions of the supports 5 and the auxiliary seedling loading posture of the auxiliary seedling frames 8 can be selected as the front and rear directions or left and right directions, etc.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an auxiliary seedling placing device for a seedling planting machine, which loads auxiliary seedlings onto a seedling planting machine.

[0002]

2. Description of the Related Art An auxiliary seedling for replenishing a seedling tank of a seedling planting device is preliminarily loaded on a part of a vehicle body in accordance with the reduction of seedlings in the seedling tank. When maintaining the continuous seedling planting process of the seedling planting machine as long as possible while supplying this auxiliary seedling, when mounting this auxiliary seedling on the seedling planting machine, set the direction of the vehicle body to a certain direction with respect to the ridges etc. You have to do it, and the operation is troublesome.

[0003]

The present invention is directed to a passenger vehicle body 1
A seedling planting device 4 including a seedling tank 2 and a seedling planting device 3 is provided at a rear part of the vehicle body 1 so as to be capable of moving up and down.
A swivel frame 7 that can swivel around and face the front, side, and rear seedling tank 2 sides of the vehicle body 1, a seedling support attitude for accommodating auxiliary seedlings and supporting them horizontally, and toward the seedling tank 2 The auxiliary seedling placement device of the seedling planting machine is provided with an auxiliary seedling frame 8 attached to the swiveling frame 7 so as to be vertically rotated in a tilted seed feeding position.

[0004]

Since the auxiliary seedling frame 8 is supported with respect to the vehicle body 1 through the support columns 5, the swivel frame, etc., the support 5 is rotated in the front-rear direction to move in the front-back direction of the vehicle body 1. The position can be selected, and the swivel axis 6 for this strut 5 can be selected.
By turning around, the auxiliary seedling loading posture of the auxiliary seedling frame 8 can be selected in the front-rear direction, the left-right direction, or the like. When the rear seedling tank 2 side is directed, the auxiliary seedling frame 8 is inclined toward the seedling tank 2 side to facilitate the supply of the auxiliary seedlings to the seedling tank 2.

As described above, since the auxiliary seedling frame 8 can turn forward, backward, leftward, and rightward with respect to the vehicle body 1, no matter which side of the vehicle body 1 faces the ridge, the auxiliary seedling frame 8 moves from the edge to the auxiliary seedling frame 8. The work of loading the auxiliary seedlings can be easily performed, and moreover, the auxiliary seedlings can be supplied to the seedling tank 2, so that the efficiency of the seedling planting work is improved.

[0006]

1 and 2, a tractor body 1 has front wheels 10 and rear wheels 11 that can be steered by a steering handle 9 and can be driven by an engine mounted under a rear cockpit 12. The four-wheel drive mode is adopted, and the seedling planting device 4 is connected to the rear side of the vehicle body 1 through a parallel link which can be moved up and down by expansion and contraction of a lift cylinder. This seedling planting apparatus comprises a float 13 that slides on the soil surface in the lower part, a multi-row planting seedling tank 2 that supplies mat-like seedlings to the lower rear part while reciprocating laterally, and each seedling tank 2
The seedling planting device 3 for separating and planting the seedlings supplied from the plant is tilted so that the upper end of the front part of the seedling tank 2 is located at the rear part of the cockpit 12.

A fertilizer application device 14 is provided on the rear portion of the vehicle body 1 between the cockpit 12 and the seedling tank 2. Fertilizer application 1
4 is configured to be wide along the width direction of the seedling tank 2 and has a feeding device below the hopper 15 that stores fertilizer, and the fertilizer fed by the feeding device 16 is used as a fertilizer pipe for each seedling planting device 3 Fertilizer is applied to the soil surface near the seedling planting position. Reference numeral 17 denotes a container holder for holding a fertilizer container on the hopper 15. When supplying fertilizer to the hopper 15, a fertilizer container for replenishment is fitted into and supported by the container holder 17.

The auxiliary seedling frame 8 is supported by parallel columns 5 and a swivel frame 7 and has two parallel rails having a width substantially the same as that of the seedling tank 2 and is provided in upper and lower two stages.
The seedling taking plate 18 is supported and guided in the rail direction so as to be slidable. A hook 19 is provided on the bottom surface of the seedling take-up plate 18 to fit the rail-shaped auxiliary seedling frame 8 to prevent the seedling taking-off plate from being detached during sliding or receiving a seedling. This seedling take-up plate 18 scoops and supports the mat seedlings 20 in the nursery box, and from the state of being accommodated in the auxiliary seedling frame 8, the seedlings can be supplied to the seedling tank 2 by sliding.

The column 5 can be rotated around a column shaft 21 in the lateral direction at the front end of the vehicle body 1, and can be rotated in the longitudinal direction by hydraulic expansion and contraction of the front and rear cylinders 22. A swivel frame 7 that swivels around a swivel shaft 6 in the vertical direction is supported at the upper end of the column 5, and the crank arm 23 at the lower end of the swivel shaft 6 is swung by the expansion and contraction of the swivel cylinder 24 by hydraulic pressure. sell.

The swivel frame 7 is provided with an arm 26 which can be rotated up and down around a lateral arm shaft 25, and the suspension shaft 27 of the auxiliary seedling frame 8 is pivotally supported at the tip of this arm 26. There is. The arm shaft 25 is rotated by a hydraulic expansion and contraction upper and lower cylinder 28 with respect to the swivel frame 7, and the vertical position of the auxiliary seedling frame 8 can be changed. In addition, the arm 26 and the suspension shaft 27
A seedling frame cylinder 29, which is expanded and contracted by oil pressure, is provided between and, and the auxiliary seedling frame 8 is maintained horizontally by the expansion and contraction of the seedling frame cylinder 29.

In order to rotate the auxiliary seedling frame 8, the front and rear cylinders 22, the rotating cylinder 24, and
Operation switches such as the upper and lower cylinders 28 and the seedling frame cylinders 29 are provided on the operation panel on the steering post 30,
This operation switch is used. By expanding and contracting the front and rear cylinders 22, the auxiliary seedling frame 8 can be rotated back and forth around the support shaft 21, and with respect to this support 5, the expansion and contraction of the revolving cylinder 24 causes the revolving frame 7 to rotate around the revolving shaft 6. , It can be turned in any direction by rotating from the rear position to the left-right position or the front position. In this way, by moving the auxiliary seedling frame 8 in the front-rear direction or turning,
The supply position of the auxiliary seedling 20 to the auxiliary seedling frame 8 can be appropriately selected.

In turning the auxiliary seedling frame 8 as described above,
When the swivel shaft 6 is tilted, the auxiliary seedling frame 8 may be tilted in the front-rear direction. In such a case, the arm 26 is pivoted up and down by the extension and contraction of the vertical cylinder 28 so that the auxiliary seedling frame 8 is tilted.
Can be moved up and down, and the tilting angle of the auxiliary seedling frame 8 can be adjusted by the expansion and contraction of the seedling frame cylinder 29 to take a horizontal posture.
Further, even when the auxiliary seedling frame 8 is moved up and down by the vertical movement of the arm 26 by the vertical cylinder 28, the inclination angle of the auxiliary seedling frame 8 may be changed significantly, so that the expansion and contraction of the seedling frame cylinder 29 causes Correct it horizontally.

To mount the mat seedling 20 on the auxiliary seedling frame 8, the mat seedling 20 is scooped by the seedling take-up plate 18, and one end of the auxiliary seedling frame 8 is brought close to the ridge end from the side end of the auxiliary seedling frame 8. Nineteen parts are fitted into the auxiliary seedling frame 8 and mounted, and the seedling take-up plates 18 are guided and slid in the longitudinal direction of the auxiliary seedling frame 8 at each stage, and the same number as the number of seedling tanks 2 is placed. The auxiliary seedling frame 8 on which the auxiliary seedling 20 is mounted is placed at the rear position along the seedling tank 2 of the seedling planting device 4 by the support column 5, the swivel frame 7 and the like as described above, and the seedling planting work is performed.

In the seedling planting work, when the seedlings supplied to the seedling tank 2 decrease, the seedling take-up plate 18 mounted on the auxiliary seedling frame 8 is removed and the seedlings 20 are slid into the seedling tank 2 to be supplied. In FIG. 3, the difference from the above example is that the auxiliary seedling frame 8 is used.
In place of the seedling take-up plate 18, the seedling raising box 31 itself can be placed, and the seedling raising box 31 is guided slidably in the longitudinal direction and does not drop in the front-rear direction.

In FIG. 4, the difference from the above example is that the auxiliary seedling frame 8 can be hung in the form of a cassette, and the hanging shafts 32 have hanging hooks 32 at both left and right ends. 8 is a plate shelf shape or a shelf shape, and is a mat seedling 20.
It has a three-tiered structure in which can be placed side by side, and can be hung and removed by the hanging hook 32. It is prepared on the ridge in a state of being placed on the auxiliary seedling frame 8 of each stage together with the seedling taking plate 18 and the seedling raising box 31 as described above, and the auxiliary seedling frame 8 on the edge of the ridge is provided with the hanging hook 32. The cylinders 22, 24, 28,
By operating 29 or the like, the suspension can be swung up and placed at a position along the seedling tank 2.

Further, it is also possible to adopt a structure in which the cassette type of the auxiliary seedling frame 8 and the type of the seedling taking plate 18 or the seedling raising box 31 can be switched. For example, the suspension shaft 27 may be attached to and detached from the tip of the arm 26. 5 and 6
In the above, the point different from the above example is that the movement of the auxiliary seedling frame 8 with respect to the vehicle body 1 is adjusted and controlled to balance the position of the center of gravity. A front and rear inclination sensor 34 is provided above the bonnet 33 in front of the steering wheel 9 to detect the front and rear inclination angle of the vehicle body 1, and the front and rear cylinders 22, or the vertical cylinder 28, and the seedling frame cylinder 2 are detected by detecting the inclination angle.
9 is expanded and contracted to move the auxiliary seedling frame 8 back and forth, the front and rear inclination sensor 34 indicates a neutral position, and the vehicle body 1 is controlled to maintain a horizontal state in the front and rear direction (FIG. 6). By equilibrating the position of the center of gravity in this way, safety is ensured during traveling, such as over a ridge.

In the illustrated example, the auxiliary seedling frame 8 is separated at the right and left central portions, and the lateral movement control is performed by the motor M1 for the left and right suspension frames 32 respectively. The left and right auxiliary seedling frames 8 are moved to the outside to open the space A between the left and right suspension shafts 27 and between the suspension frames 32, and the arm 26 is rotated around the arm shaft 25 by the vertical cylinder 28 in the front-rear direction. By moving, the auxiliary seedling frame 8 can be moved to the front and back of the support column 5. Reference numeral 35 is an overhanging step projecting to the side of the wheels 10 and 11.

A left / right tilt sensor 36 for detecting tilt in the left / right direction is provided on each suspension shaft 27, and the left / right detection of the tilt sensor 36 drives and controls the M1 to move the auxiliary seedling frame 8 left / right. To maintain the left-right balance of the vehicle body 1.
7 and 8, a difference from the above example is that an auxiliary step 37 that pivots horizontally forward is pivotally supported 40 at the front end portion of the vehicle body 1, and the auxiliary step 37 is connected to the step cylinder 38.
By undulating and rotating by hydraulic expansion and contraction of the vehicle body, it becomes easy to get on and off the control floor 39 of the vehicle body 1 away from the ridge. This auxiliary step 37 includes a step cylinder 38.
A switching valve 43 operated by an operating lever 42 and a check valve 44 for locking are provided in the hydraulic circuit 41 of 1., and the switching valve 43 can be switched by the operating lever 42 to raise / lower step 37. By operating the operation lever 42 to the return position, the check valve 44 can be opened and the lock can be released. P is a hydraulic pump, T is a tank port, and 45 is a relief valve.

In FIG. 9, a point different from the above example is that when the column 5 is rotated forward by the front and rear cylinders 22 around the column shaft 22, the arm 47 is supported by the rod 46 by the rod 46. The support leg 49 integrated with the arm 47 is rotated downward against the return spring 49 to be grounded to support the front portion of the vehicle body 1 and to support the front portion of the vehicle body 1 by the weight of the auxiliary seedling frame 8. Stabilize by eliminating the inclination of 1. Since it is interlocked with the operation of the front and rear cylinders 22, it is possible to avoid forgetting to put out the support legs 49.

In the illustrated example, 50 is an operation box provided on the side of the steering handle 9, 51 is an operation box provided on the suspension frame 32 for holding the auxiliary seedling frame 8, and is a cylinder of each of the above-mentioned parts. Switches, etc. for operating the motors 22, 24, 28, 29, the motor M1 and the like are provided so that they can be freely operated either from the cockpit 12 or from the ridge side.

In FIG. 10, the point different from the above example is that the support column 5, the arm 26, the suspension frame 32, the auxiliary seedling frame 8 and the like can be separated left and right, and can be moved back and forth for each left and right. Is. The left and right columns 5 are arm shafts 25
It is also possible to separate right and left at the central part of the, and fit the coupling 50 to integrally connect. Vertical cylinder 28
Is provided so as to extend between each arm shaft 25 and the column 5, and the arm 26 can be vertically rotated separately. The seedling frame cylinder 29 is also provided for each arm 26 similarly to the configuration of FIG.

In FIG. 11, the point different from the above example is that part of the suspension frame 32 can be used as a fork 51 to unload the seedling container 52 and other luggage.
The suspension frame 32 is such that the attachment frame 53 having the auxiliary seedling frame 8 is detachably attached to the tip of the fork 51 portion integrated with the suspension shaft 27, and when the suspension frame 32 is used as the fork 51, the attachment frame 53 is removed to supplement the auxiliary seedling. Separated from the frame 8, the fork 51 is operated by the front and rear cylinders 22 and the seedling frame cylinder 29. 5
4 is a hanger for suspending the seedling container 52, and 55 is a truck. Reference numeral 56 denotes a folding portion of the auxiliary seedling frame 8, which is horizontally extended to the left and right during the seedling planting work,
Can be placed, but at the time of storage, the folding portion 56 is rotated upward to narrow the machine width.

In FIG. 12, a point different from the above example is that a hook 57 which rotates integrally with the support shaft 21 is provided, and the hook 57 of the track 55 is rotated by turning the front and rear cylinders 22 to an appropriate angle. The front wheel 10 of the vehicle body 1 can be towed by being hooked on the vehicle 58. FIG.
In the above, the point different from the above example is that the container holder 17 holding the container 61 in which the fertilizer to be supplied to the hopper 15 of the fertilizer application device 14 is held is the suspension frame 32 for suspending the auxiliary seedling frame 8. The auxiliary tool 59 is detachably attached to the lower portion and can be stacked like the auxiliary seedling frame 8. An L-shaped bag receiver 60 is provided at the bottom of the container holder 17, and a fertilizer bag containing fertilizer is used as the container 61.

Containers (fertilizer bags) 61 are arranged and held in the container holder 17 over the same width as the fertilizer application device 14. When the fertilizer in the hopper 15 is reduced by fertilization, the arm 26 is raised by the upper and lower cylinders 28, and the container holder 1
Float 7 onto hopper 15. The lid 62 on the hopper 15 is opened, the fertilizer bag 61 mouth on the container holder 17 is looked into, and the fertilizer is transferred into the hopper 15. After the fertilizer is filled in the hopper 15 in this manner, the lid 62 is closed and the container holder 17 is approached or placed on the upper surface to perform fertilization work together with seedling planting work. Reference numeral 63 is a pipe for guiding the fertilizer fed from the feeding device 16 to the soil surface at the seedling planting position by the seedling planting device 3, and 64 is a blower for blowing the fertilizer.

14 and 15, a seam 65 is formed along the opening edge of the bag 61, and the seam 65 is held by being held by the holding piece 67 of the bag holder (FIG. 14). Alternatively, the seam 65 may be locked to the holding pin 66 protruding from the bag holder 17 (FIG. 15). In the case where the bag mouth portion is closed with the bag 61 having such a configuration, when the bag 61 is transferred to the hopper 15, the bottom portion of the bag 61 may be cut open with a knife to allow the fertilizer to flow down.

In FIG. 16, a sub tank 68 having the same width as the hopper 15 is detachably attached to the lower side of the suspension frame 32, and the sub tank 68 is attached to the container holder 17.
In the same manner as above, the fertilizer in the sub tank 68 can be transferred into the hopper 15 by polymerizing or approaching the upper side of the hopper 15 with the lid 62 opened together with the auxiliary seedling frame 8 and the like. A discharge port 69 having a shutter is provided in the bottom of the sub tank 68 along the longitudinal width direction, and a lid 70 is provided on the upper side so as to be openable and closable.

In FIG. 17, a difference from the above example is that a sub-tank 71 is attached above the hopper 15 of the fertilizer application device 14 and the discharge port 72 can be seen. The shutter 73 of the discharge port 72 can be opened by pulling it against the spring 75 by the solenoid 74, and the remaining amount sensor 76 provided at the bottom of the hopper 15 detects the decrease of the fertilizer to electrically operate the solenoid 74. To open the shutter 74 to feed the fertilizer from the sub tank 71 into the hopper 15.
Supply to.

[Brief description of drawings]

FIG. 1 is a perspective view.

FIG. 2 is a perspective view of a part thereof.

FIG. 3 is a perspective view showing another example of a part thereof.

FIG. 4 is a perspective view showing another example of a part thereof.

FIG. 5 is a perspective view showing another embodiment.

FIG. 6 is a flowchart showing the front-rear horizontal control.

FIG. 7 is a perspective view showing another embodiment.

FIG. 8 is a hydraulic circuit diagram thereof.

FIG. 9 is a perspective view showing another embodiment.

FIG. 10 is a perspective view showing another embodiment.

FIG. 11 is a perspective view showing another embodiment.

FIG. 12 is a side view showing another embodiment.

FIG. 13 is a side view showing a part of another embodiment.

FIG. 14 is a perspective view showing another embodiment.

FIG. 15 is a side view showing another embodiment.

FIG. 16 is a perspective view showing another embodiment.

FIG. 17 is a side view showing another embodiment.

[Explanation of symbols]

 1 vehicle body 2 seedling tank 3 seedling planting device 4 seedling planting device 5 pillar 6 swivel axis 7 swivel frame 8 auxiliary seedling frame

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takashi Suzuki, No. 1 Hachikura, Tobe, Iyo-gun, Ehime Prefecture

Claims (1)

[Claims] 1. A seedling planting device 4 comprising a seedling tank 2 and a seedling planting device 3 is provided at a rear portion of a passenger car body 1 so as to be able to move up and down.
And a swivel frame 7 that can swivel around the vertical swivel axis 6 on the strut 5 to face the front, side, and rear seedling tank 2 sides of the vehicle body 1.
And an auxiliary seedling attached to the swivel frame 7 so as to rotate up and down between a seedling supporting attitude for accommodating and supporting the auxiliary seedling horizontally and a seedling supplying attitude for inclining toward the seedling tank 2 and supplying the seedling. An auxiliary seedling placement device for a seedling planting machine provided with a frame 8.