JPH1189332A - Seedling transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dissolve problems in that the load to a worker is high in the case of a high speed transplanting work, since one worker has to conduct a seedling supplying work in a conventional vegetable transplanter, and the seedling supplying work is difficult due to the difficulty in walking of the worker in the case of existing a wall of a hause in the walking side of the worker. SOLUTION: This transplanter equipped with a seedling supplying device 4 for supplying the seedlings supplied by the hand of a worker to a seedling transplanting tool and a seedling loading stand for loading the supplying seedlings, is provided by installing the above mentioned seedling loading stand 55 at the left or right one side of the seedling supplying device 4, and also forming spaces A, B in which the worker can conduct the seedling supplying work by walking in accordance with the progress of a machine body, in the rear direction of these seedling supplying device 4 and the seedling loading stage 55, and in the side direction of the seedling supplying device 4 at the opposite side to the side of the existing seedling loading stand.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling transfer machine provided with a seedling supply device for supplying seedlings supplied by hand to a seedling mounting tool, and a seedling mounting table on which seedlings for replenishment are placed. About.

[0002]

2. Description of the Related Art As a vegetable seedling transplanter, for example, a pottable seedling of a vegetable is manually supplied to a turntable type seedling supply device, and the seedling supply device supplies seedlings one by one to a predetermined position. There is a vegetable seedling transplanter (hereinafter referred to as a vegetable transplanter) configured such that a seedling planter is planted on the ground. Conventionally, a vegetable transplanter of this type employs a seedling supply device, in which a worker walks on one of the right and left sides of the machine in accordance with the progress of the machine, while placing the seedlings on a seedling table provided near the seedling supply device. Was to be replenished.

[0003]

In the conventional vegetable transplanter described above, since the seedlings had to be replenished by one worker, the burden on the workers was high during high-speed planting work.
Further, when there is a house wall or the like on the side where the worker walks, there is a problem that the worker is difficult to walk and it is difficult to supply seedlings.

[0004]

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention is constituted as follows: a seedling transplanter according to the present invention supplies seedlings supplied manually to a seedling planting tool. In a seedling transplanter provided with a seedling supply device to be supplied and a seedling mounting table on which supply seedlings are placed, the seedling mounting table is provided on one side of the seedling supply device, and the seedling supply device and the seedling are provided. A space was formed in the rear of the mounting table and on the side of the seedling supply device opposite to the side where the seedling mounting table is located, so that the worker can replenish the seedlings while walking as the aircraft progresses. It is characterized by:

[0005] One worker performs a seedling replenishing operation while walking in the space behind the seedling supply device and the seedling mounting table.
Since seedling platforms are provided on the left and right sides of the seedling supply device,
The seedlings on the seedling table can be easily supplied to the seedling supply device. Another worker performs the seedling replenishment operation while walking in a space on the side of the seedling supply device on the side opposite to the side where the seedling mounting table is located.
Thus, the seedling replenishment work can be performed by two workers, so that there is no burden on the workers even during high-speed planting work.

[0006]

1 to 7 show a vegetable transplanter as an example of a seedling transplanter to which the present invention is applied. The vegetable transplanter 1 includes a traveling unit 1 having traveling wheels 2, 2, 3, and 3.
While advancing the aircraft while straddling the ridge U by a,
A plant pot seedling is planted on the upper surface of the ridge U by the planting section 1b including the seedling supply device 4, the seedling planting device 5, and the like. The operator appropriately steers the aircraft with the steering handle 6 provided at the rear of the aircraft, and supplies seedlings to the seedling supply device 4 while walking on the side of the aircraft during the planting operation. Hereinafter, the configuration of each unit will be described.

[0007] The traveling section 1a includes a traveling section transmission case 7
The engine 9 is arranged in front of the vehicle. A hydraulic pump 10 driven by the power of the engine 9 is provided on the left side of the engine 9.
Is provided. A fuel tank 11 and the like are provided above the engine 9, and a bonnet 12 covers the upper side thereof. A left and right long connecting frame 13 of a rectangular shape in a side view is integrally provided on a rear portion of the traveling portion transmission case 7, and a front end of a main frame 14 for connecting the traveling portion 1 a and the steering handle 6 to a right end of the rear side of the connecting frame. Are fixedly connected. The main frame 14 includes the planting section 1
b, extends rearward through the right side in plan view, curves obliquely upward on the way, and extends as it is to the rear position of the planting portion 1b. The steering handle 6 is fixedly attached to the rear end.

[0008] The traveling transmission cases 16, 1 are attached to rotating tubular parts 15, 15 protruding from the left and right side surfaces of the traveling section transmission case 7, respectively.
6 are integrally mounted, and rear wheels 2 and 2 which are driving traveling wheels are supported at the front end of the traveling transmission case. Front wheel support rods 18, 18 are attached to the left and right ends of a front wheel support frame 17 provided below the engine 9 so as to be swingable about a pivot shaft 17a in the front-rear direction. The front wheels 3, 3, which are driven traveling wheels, are supported at the lower end.

The traveling section 1a is provided with a body control mechanism for controlling the position of the body by moving the rear wheels 2, 2 up and down with respect to the body. The airframe control mechanism is provided with an elevating cylinder 21 provided rearward from a hydraulic valve unit 20 disposed on the traveling unit transmission case 7, and a balance rod 22 is provided at a tip end of a piston rod of the cylinder around a vertical axis. Is mounted to be rotatable. The front and rear ends of the piston rod slide along a guide shaft 24 supported by the hydraulic valve unit 20 and an attachment member 23 attached to the main frame 14. The right and left ends of the balance rod 22 and the swing arms 25 fixed to the rotating cylinder parts 15 are connected via connecting rods 26. The left connecting rod 26 has a rolling cylinder 27 incorporated therein, and its length can be changed by expanding and contracting the cylinder.

The lifting cylinder 21 and the rolling cylinder 27 are operated by controlling a hydraulic oil supplied from the hydraulic pump 10 by a control valve (not shown) in the hydraulic valve unit 20. When the elevating cylinder 21 is extended and retracted, the left and right rear wheels 2 and 2 move up and down by the same amount in the same direction with respect to the body, and the body is moved up and down. When the rolling cylinder 27 is extended and retracted, the left and right rear wheels 2 and 2 move up and down by the same amount in the opposite direction with respect to the body, and the body is tilted left and right.

The planting portion 1b has a lower portion of a planting portion transmission case 30 that is transmitted from the traveling portion transmission case 7 fixed to the upper surface of the connecting frame 13, and a first planting portion is mounted on the upper portion of the planting portion transmission case. The base of the transmission case 31 is fixed, and the base of the second plantation transmission case 32 is fixed to the distal end of the first plantation transmission case. The first planting transmission case 31 and the second planting transmission case 32 are connected to an operation mechanism of the seedling planting device 5 described later. The seedling planting tool 60 described later of the seedling planting device 5 is located behind the traveling section 1a. The seedling supply device 4 and the seedling mounting tables 55 and 56 to be described later are attached to the upper frame 34 having the base fixed to the planting section transmission case 30 so as to be located above the seedling planting tool 60.

As shown in FIG. 3, the input shaft 30a of the planting section transmission case 30 projects forward from the lower end of the case.
By being inserted into the take-out part 7a, it is operatively connected to a shaft on the traveling part side in the PTO take-out part. Also,
The planting section transmission case 30 is connected to the connection frame 13.
Are removably attached to bolts 35,. For this reason, the bolts 35,...
By pulling out the input shaft 31a from a, the entire planting portion 1b can be removed from the traveling portion 1a, and maintenance of the planting portion 1b can be easily performed.

In a side view, the planting section transmission case 30 is provided rearward and upward from the connecting frame 13, and the first planting transmission case 31 is formed by the planting section transmission case 3.
The second planting transmission case 32 is provided horizontally downward from the lower end of the first planting transmission case 31. With this configuration,
A space for the balance rod 22 to move is secured below the second planting transmission case 32 without making the longitudinal length of the body longer than necessary.

In the plan view, the planting section transmission case 30 is fixed to the right end of the connecting frame 13 and is formed between the lifting cylinder 21, the balance rod 22 and the right connecting rod 26. It extends upward through the right space of the mechanism. And the first planting transmission case 3
Reference numeral 1 denotes a left side of the planting section transmission case 30, and a second planting transmission case 32 is further left side of the first planting transmission case 31. Since the right space portion is wider than the left space portion by the amount that the rolling cylinder 27 is not provided, it is preferable to arrange the planting portion transmission case 30 on the right side. In addition, planting section mission case 3
0, first planting transmission case 31 and second planting transmission case 3
By distributing and arranging 2 right and left, the right and left weight balance is improved.

The seedling supply device 4 includes a plurality of seedling supply cups 4.
Turntable 41 in which 0,... Are arranged at equal intervals on the circumference
It has. The turntable 41 is disposed slightly to the right of the left and right centers of the body. The turntable 41 is provided on a support plate 42 fixed to the upper frame 34 so as to be rotatable around a central shaft 43 as a fulcrum. A ratchet wheel 45 is attached to the center shaft 43, and a ratchet pawl 46 urged in a direction to mesh with the teeth of the ratchet wheel is attached to a ratchet arm 47 rotatably fitted to the center shaft 43.
A ratchet arm 47 and a front link support arm 67 described later.
The seedling supply drive arm 49 that operates integrally with B is connected via a seedling supply drive rod 50. When the seedling supply drive arm 49 swings, the turntable 41 moves the seedling planting device 5 and In synchronism, the seedling supply cups 40,.

At the bottom of each seedling supply cup 40, shutters 52,. A C-shaped shutter closing rod 53 whose front side is slightly cut off to the left in plan view is provided at a height in contact with the bottom of the seedling supply cup, and a seedling supply position P corresponding to the cut portion of the shutter closing rod 53 is provided. 52 of the seedling supply cup 40 located at
Are opened by their own weight or the weight of the seedling, but the shutters 52,... Of the other seedling supply cups 40,.
It is regulated and closed.

On the right side and the front side of the turntable 41, seedling mounts 55, 56 on which seedling raising trays can be mounted one by one are provided. The right seedling mounting table 55 is attached to mounting rods 55a, 55a projecting rightward from the upper frame 34, and is configured to slightly support the seedling raising tray obliquely to the upper right. Further, the seedling table 56 on the front side is
4 and attached to mounting rods 56a, 56a protruding forward and provided so as to horizontally support the seedling raising tray.

The pot seedlings on the seedling raising tray placed on the seedling mounting tables 55 and 56 are manually placed in the seedling supply cups 40,.
Replenish. When the seedling supply cup 40 containing the seedlings moves to the seedling supply position P due to the rotation of the turntable 41, the shutter 52 opens and the seedlings fall into the seedling planting tool 60 of the seedling planting apparatus 5.

The left side of the turntable 41 and the rear part of the left rear wheel 2 are spaces A for an operator to perform a seedling replenishing operation while walking in accordance with the progress of the body.
When the worker performs the seedling replenishment operation while walking in the space A, the ridge surface between the crushing wheels 80 and the ridges between the crushing wheels 80 can be seen from the gap between the turntable 41 and the steering handle 6, so that the planting status of the seedlings is monitored. The seedling supply operation can be performed while doing so.

The seedling planting device 5 includes a cup-shaped seedling planting tool 60 having a sharp lower end. The seedling attachment 60 includes a front member 60a and a rear member 60b, and is a front member mounting arm rotatably supported by a front member rotation shaft 61A located behind the seedling attachment 60. Front members 60a are integrally attached to 62A, 62A, and rear members are attached to rear member mounting arms 62B, 62B rotatably supported by a rear member rotation shaft 61B located in front of the seedling attachment 60. 60
b is integrally attached. Therefore, the rotating shaft 61
When both members 60a and 60b rotate around the fulcrums A and 61B, the lower part of the seedling attachment 60 opens and closes. The front member 60a and the rear member 60b rotate in conjunction with each other by the interlocking pin 63 which is loosely fitted in the elongated hole formed in the front member mounting arm 62A and the rear member mounting arm 62B. Leg 62aA of front member mounting arm 62A and rear member mounting arm 6
A spring 64 that urges the front member 60a and the rear member 60b toward the closing side is stretched between the leg portion 62aB of the 2B and the front member 60a. The seedling attachment 60 performs a predetermined operation by the following operation mechanism.

A rear link support arm 67A is rotatably attached to a support portion 33a projecting upward from the second planting transmission case 32, and a rear end of a rear link 68A having a base pivotally attached to the support arm is provided at a front end of the rear link 68A. The member rotation shaft 61A is connected. A rear link drive arm 69A provided at the rear end of the second planting transmission case 32 is connected to an intermediate portion of the rear link 68A. In addition, the front link support arm 67B is rotatably attached to the planting section transmission case 30,
A rear member rotation shaft 61B is connected to a rear end of a front link 68B whose base is pivotally attached to the support arm. A front link drive arm 69B provided at the rear end of the first planted transmission case 31 is connected to an intermediate portion of the front link 68B.
When the drive arms 69A and 69B are driven and rotated, the rear link 68A and the front link 68B swing up and down while changing the position of the base part back and forth, and the seedling planting tool 60 moves up and down with a constant posture.

An opening / closing arm 71 is provided at the base of the rear link 68A.
Is rotatably mounted, and the front end of the opening / closing arm 71 and the front member mounting arm 62A are connected by an opening / closing rod 72. An opening / closing cam 73 that rotates integrally with the rear link drive arm 69A is attached to an intermediate portion of the rear link 68A. A roller 74 as a cam follower for the opening / closing cam is provided on the opening / closing arm 71. The opening / closing cam 73 is engaged with the roller 74 during the process of raising the seedling attachment 60 from a position near the bottom dead center. When the opening / closing cam 73 is engaged with the roller 74, the opening / closing rod 72 is pulled, the front member 60a and the rear member 60b rotate in conjunction with each other, and the seedling attaching tool 60 is opened. When the opening / closing cam 73 is not engaged with the roller 74, the seedling attachment 60 is closed by the tension of the spring 64.

When the seedling attachment 60 is at the top dead center, the seedling supply device 4 drops and supplies the seedlings. The supplied seedlings are guided into the seedling plant through a tubular seedling guide 76 attached to the front member rotating shaft 61A and the rear member rotating shaft 61B. The seedling-planting tool 60 holding the seedlings descends, and at the bottom dead center, the lower part of the seedling-planting tool 60 pierces the topsoil portion of the ridge to form a hole for seedling transplantation. Almost simultaneously with this, the seedling attaching tool 60 is opened, and the held seedling is released into the seedling transplanting hole. The seedling attachment 60 rises as it is, and when it rises to near the top dead center, the seedling attachment 60 closes.

The second planting transmission case 32 is located on the left side of the seedling planting device 5. A cover 76 is attached to the second planting transmission case 32 to cover the seedling planting tool 60 from left to rear. The second planting transmission case 32 and the cover 76 prevent the worker from interfering with the planting plant 5 during the planting work.

A pair of left and right pressure reduction wheels 80, 80 are provided behind the seedling planting position. This crushing wheel 80, 80
Are mounted diagonally so that the distance between them becomes smaller toward the bottom, and are urged downward by a spring 81 loosely fitted to a rod 92 described later. After the seedlings have been planted, the soil around the seedling transplanting holes has collapsed to refill the holes and lightly crush the traces.

A pressure-reducing wheel frame 82 to which the pressure-reducing wheels 80, 80 are attached is supported by a planting depth adjusting guide frame 83 so as to be rotatable up and down. A guide groove 84 having a plurality of engaging portions 84a,... Is formed in the planting depth adjusting guide frame 83, and a planting depth adjusting lever 85 integrated with the pressure-reducing wheel frame 82 slides in this guide groove. Fits freely.
The planting depth adjusting lever 85 is engaged with the engaging portion 84
a, ..., the compression wheel frame 82 is fixed so as not to rotate. Therefore, the planting depth adjusting lever 85
By the operation described above, the mounting height of the pressure reduction wheels 80, 80 can be set in a plurality of steps. Thereby, the planting depth of the seedlings is adjusted stepwise.

The planting depth adjusting guide frame 83 is
Support frame 86 fixed to the front and rear intermediate portion of main frame 14
It is attached to the rear end of a swing frame 87 that is swingably supported vertically. Squeezing wheel 8 according to the roughness of the ridge
When 0 and 80 move up and down with respect to the machine body, the swing of the pressure-reducing wheel frame 81 due to the vertical movement of the pressure-reducing wheel is transmitted to the elevating hydraulic valve in the hydraulic valve unit 20 via the interlocking mechanism 88, and the rocking frame The elevating cylinder 21 is operated in the direction in which the angle of 87 returns to the original position. This controls the vertical movement of the fuselage so that the height from the upper surface of the ridge to the fuselage is kept constant.

Further, a pressure-reducing wheel fixing lever 90 is rotatably provided at a rear portion of the main frame 14, and a lower end portion of the swinging frame 8 is inserted into a long hole 91a of an arm 91 integrated with the lever.
The upper end of a rod 92 connected to 7 is pinned. The presser ring fixing lever 90 is engaged with the locking portion 93 of the guide groove 93.
When locked at a, the pressure-reducing wheels 80, 80 are fixed at a fixed height with respect to the fuselage, and the above-described elevation control does not function. The crushing wheels 80, 80 are fixed by the above-described method in order to prevent the crushing wheels 80, 80 from moving when the seedling planting apparatus 5 is operated while the machine body is raised to the non-working position or during transportation.

Since the swing frame 87 is disposed on the right side of the body, an operator walking on the left side of the body does not come into contact with the swing frame 87, so that the pressure can be reliably reduced and the body can be raised and lowered. Can be done accurately.

The rolling hydraulic valve in the hydraulic valve unit 20 is switched in response to the movement of the pendulum 95 for detecting the right and left inclination, and when the body is inclined right and left, the rolling cylinder 27 is operated appropriately. Control the aircraft to return to the left and right horizontal.

The steering handle 6 has a substantially U-shape in plan view with both ends extending rearward, and grips 6a, 6
a is attached. At the time of turning or traveling on the road, an operator grips the grips 6a, 6a and steers. As shown in FIG. 7, the seedlings on the right seedling mounting table 55 can be supplied to the seedling supply device 5 while walking with the body in the space B formed inside the steering handle 6. . The steering handle 6 is provided so as to be shifted to the right from the left and right center of the fuselage. Out of the way when doing

When the loop-shaped steering handle 6 is adopted, the steering handle 6 'is used as in the vegetable transplanter 1' shown in FIG. 8 or the vegetable transplanter 1 "shown in FIG.
Inside (6 ″), there is provided a space B ′ (B ″) into which a worker's body can be inserted when replenishing seedlings.

Below the grips 6a, 6a, side clutch levers 100, 100 are provided. An operation panel 101 is provided at the base of the steering handle 6.
On the operation panel, a planting raising / lowering lever 102 for performing an on / off operation of a planting clutch transmitted to the seedling supplying device 4 and the seedling planting device 5 and an elevating operation of the machine body, and a main clutch for performing an on / off operation of the main clutch A lever 103 and the like are provided.
Reference numeral 104 in the figure denotes an inter-strain adjusting lever for adjusting the planting interval of seedlings.

A handle 106 fixed to the control handle 6 is provided on the rear side of the turntable 41, and an auxiliary main clutch lever 107 is attached to the handle 106. When the worker replenishes seedlings while walking in the space A on the side of the seedling supply device 4, the worker can support the body by grasping the handle 106 when the worker loses balance. When it is necessary to stop the work urgently, the stop operation of the auxiliary main clutch lever 107 allows the work to be stopped at the same position. Further, when replenishing seedlings while walking in the space B behind the seedling supply device 4 and the seedling mounting table 55, the handle 106 can be used as a support when the operator leans forward on the upper body.

At the time of normal planting work, the worker walks in the space A in accordance with the progress of the machine body, and
Turn the seedlings in the seedling raising tray T placed on the turntable 4
1 to each seedling supply cup 40,. When the planting work is performed at high speed, two people work, and one person walks in the space A while raising the seedling tray T placed on the seedling table 56 on the front side.
While the other walks in the space B, replenishes the seedlings on the seedling raising tray T placed on the seedling mounting table 55 on the right side. When it is difficult for the worker to walk in the space A near the wall of the house or the like, the supply operation may be performed while walking in the space B.

[0036]

As is apparent from the above description, the seedling transplanter according to the present invention can be provided from the rear side of the seedling feeding device and the seedling loading device even on the side of the seedling feeding device opposite to the side where the seedling loading device is located. Since the seedlings on the seedling mounting table can be replenished to the seedling supply device from both sides, it is possible for two persons to perform the seedling replenishment work at the same time, and to perform the high-speed planting work without burdening the workers. In addition, planting work near the wall of the house, which was difficult with a conventional seedling transplanter that can perform seedling supply work only from one side of the machine, can be easily performed by performing seedling supply work from the rear of the seedling supply device and seedling mounting table. Now you can do it.

[Brief description of the drawings]

FIG. 1 is a side view of a vegetable transplanter.

FIG. 2 is a plan view of the vegetable transplanter.

FIG. 3 is a perspective view of a connecting portion between a traveling unit and a planting unit.

FIG. 4 is a bottom view of the seedling supply device.

FIG. 5 is a side view of a seedling planting device and the like.

FIG. 6 is a plan view of a seedling planting device and the like.

FIG. 7 is a plan view showing a seedling planting operation state of the vegetable transplanter.

FIG. 8 is a plan view of a different vegetable transplanter.

FIG. 9 is a plan view showing a seedling planting operation state of still another vegetable transplanter.

[Explanation of symbols]

A space on the side of the seedling supply device opposite to the side where the seedling rest is located B space in the rear of the seedling supply and seedling stand 1 vegetable transplanter (seedling transplanter) 2 rear wheel 3 front wheel 4 Seedling supply device 5 Seedling planting device 6 Operating handle 55,56 Seedling table 60 Seedling planting device 80 Compressor wheel

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Shiro Katsuno 1st Hachikura, Toze-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. Technical Department (72) Inventor Katsuyuki Aoki No. 1 Yatsukura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. (72) Inventor Shoji Suzuki 493 Yokokura Nitta Oyama-shi, Tochigi Pref. Inventor Makoto Arai Oyama City, Tochigi Prefecture, 493, Yokokura Nitta, Kanto Agricultural Machinery Co., Ltd.

Claims (1)

[Claims] The present invention relates to a seedling transfer device, comprising: a seedling supply device for supplying seedlings supplied manually to a seedling attachment; and a seedling mounting table on which seedlings for replenishment are placed. The seedling table is provided on one side of the left and right sides of the seedling supply device and the seedling table. A seedling transplanter characterized by forming a space in which a worker can replenish seedlings while walking.