JPH0380442B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a seedling vertical feeding device for a rice transplanter.

When performing rice planting work using a rice transplanter, when planting at the edge of the field, due to the nature of the field, all the planting equipment is not activated, and only some of the planting equipment is activated. , it is necessary to perform fractional planting work. In such a case, the planting clutch installed in the planting transmission path of the planting device, which plants soiled seedlings from the lower end of the seedling tank into the field, should be turned off, and some of the seedlings may be planted. There is a type that transmits power only to the device and performs fractional planting. In this type of type, the seedling tank is equipped with a vertical seedling feeding device that intermittently sends the seedlings forward with soil, so even the seedlings with soil in the seedling tank where the planting device does not operate can be moved forward. The lower end of the bed of soiled seedlings may be damaged by the seedling feeding action of the vertical seedling feeding device, or the seedlings with soil may be forcibly fed to the side of the planting device, pushing the seedlings with soil. There was a problem with it being destroyed. This invention attempts to solve these problems.

Embodiments of the invention shown in the drawings will be described below.

First, to explain the configuration of the example, 1
is a towing aircraft, and on the front upper part of this towing aircraft 1,
The prime mover 2 is installed and the prime mover 2 is attached to the bonnet 3.
A pair of left and right chain cases 7 support the rear wheels 6, 6 from the transmission case 5 toward the rear. , 7 are extended, and a seat 9 is supported on the upper part of a reinforcing frame 8 which connects the pair of left and right chain cases 7, 7. Note that 10 is a control handle, and 11 is a change lever.

Reference numeral 12 denotes a rice transplanter that is connected to the rear part of the traction machine 1 so as to be able to rise and fall freely. A front-sloping seedling tank 16 that is supported in a reciprocating manner, and a plurality of planting devices 18, 18, which cut and separate soiled seedlings from the seedling tank 16, which reciprocates from side to side, and plant them in the field. A main float 19 that is disposed below the aircraft body 13 and slides on the field surface,
It is composed of side floats 20 and the like disposed on the left and right sides of the main float 19, and is transmitted from the traction machine 1 to an implanted transmission device (not shown) inside the rice transplanting machine 13 via a universal joint 21. The power generated by each implantation device 18, 18,...
Alternatively, the information is configured to be transmitted to the implanting devices 18, 18, .

Reference numeral 22 denotes a link device for raising and lowering the rice transplanter 12. This link device 22 pivots the bases of the upper link 23 and the lower link 24 to the reinforcing frame 8, and connects the rear ends of the upper link 23 and the lower link 24. It is pivotally connected to the frame 25, and a shaft 26 extends rearward from the connecting frame 25, and the rice transplanting body 13 of the rice transplanter 12 is connected to this shaft 26 so as to be rotatable left and right. Reference numeral 27 denotes a hydraulic cylinder, the base of which is pivotally connected to the transmission case 5 of the towing vehicle body 1, and the hydraulic piston 28 fitted in the hydraulic cylinder 27 is extended so as to protrude rearward. The rear end of the hydraulic piston 28 is connected to an arm 29 that rotates integrally with the upper link 23. 30 is a hydraulic valve that expands and contracts the hydraulic cylinder 27 and the hydraulic piston 28.

31, 31 are seedling vertical feeding devices arranged at the lower part of the seedling tank 16, and a plurality of seedling vertical feeding devices 31 are arranged along the horizontal direction of the seedling tank 16,
The seedling tank 16 moves laterally to the left and right and the planting device 1
When the front row of soiled seedlings contained in the seedling tank 16 is planted by 8, the vertical seedling feeding device 31 moves the soiled seedlings in the seedling tank 16 forward by one plant. are associated and configured for vertical feeding. 32 is a pushing up device that can push up the seedlings with soil located above the vertical seedling feeding device 31 of the seedling tank 16; this pushing up device 32 is
Line rods or seedling vertical feeding devices 31, 3 located on both sides of the seedling vertical feeding devices 31, 31 when viewed from above
A support member 32a is composed of a plate-like body with a notch groove formed in a corresponding part of 1, and supports the bottom surface of the seedling with soil.
and a push-up body 32b constituted by a solenoid that moves the support body 32a up and down. A mounting body 33 attached to the side wall of the seedling tank 16 rotatably supports a seedling holding rod 34 for preventing the soiled seedlings loaded in the seedling tank 16 from floating up. 35 is seat 9 of towing aircraft 1
The ridge clutch lever 35 is a ridge clutch lever disposed nearby. By operating the ridge clutch lever 35 to the clutch disengagement position shown by the chain line, one of the plurality of implantation devices 18, 18 or a pair of implantation clutches ( When the ridge clutch lever 35 (not shown) is turned off, the switch 36 is operated in conjunction with the cutting operation of the ridge clutch lever 35, and the push-up switch 36 attached to the seedling tank 16 is cut off from power transmission to the planting device 18. The body 32b is lifted by the extension of the solenoid to remove the attached seedlings from the vertical seedling feeding device 31, and at the same time, the second solenoid 37 attached to the attachment body 33 is shortened to move the seedling presser bar 34 upward. The related configuration is such that it can be rotated to.

In this embodiment, the push-up device 32 is operated by a solenoid, but the push-up device 32 is operated above the seedling vertical feeding device 31 in connection with the cutting operation of the ridge clutch lever 35. Any device that pushes the placed seedlings upward may be used, and it may be of a hydraulic type or a mechanical type, and is not limited to this embodiment.

Next, to explain the operation of the embodiment, when performing rice transplanting work, load seedlings with soil into the seedling tank 16, drive each rotating part of the rice transplanter, and operate a hydraulic lever (not shown). The rice transplanter is lowered and the traction machine 1 is moved forward. Then, the main float 19 and the side floats 20 move forward while leveling the paddy field, and the planting devices 18 and 1 move forward.
8. Seedling tank 16 that is reciprocating from side to side by...
The rice planting work involves cutting and separating the seedlings from the soil and planting them in the field. Although the rice transplanting work is carried out as described above, in the final stage of the rice transplanting work, there are cases where not all of the multi-row planting devices 18, 18, . In such a case, a plurality of ridge clutch levers 35, 35
Among them, the ridge clutch lever 35 for stopping the planting device 18 is moved to the clutch disengaged position, and the planting clutch (not shown) disposed in the planting transmission device (not shown) is set in the disengaged state. Implant device 18 is stopped. Then, this ridge clutch lever 35
In connection with this operation, the switch 36 is activated and the solenoid is extended to push up the support body 32a and push up the seedlings with soil above the vertical seedling feeding device 31, and the second solenoid 37 is also activated. The seedling presser rod 34 is actuated to be in a contracted state and rotated upward. When some of the planting devices 18 become stopped in this way, the seedlings with soil in the stopped seedling tank 16 are lifted upward from the vertical seedling feeding device 31 by the push-up device 32, and the seedlings are not planted. Even if the vertical feeding device 31 of the seedling tank 16 of the device 18 is stopped and is driven together with the other vertical feeding devices 31, 31, the seedlings with soil will not be damaged or crushed by vertical feeding, and the soil will not be crushed. It is possible to prevent damage and compression of seedlings.

In addition, in this embodiment, the seedling vertical feeding device 3
1 is of star foil type, but it goes without saying that it may be applied to a vertical seedling feeding device composed of a belt.

In this invention, a seedling vertical feeding device 31 is arranged at the lower part of the seedling tank 16, and a planting clutch is installed in the planting transmission path of the planting device 18, which plants seedlings with soil from the lower end of the seedling tank 16 into the field. A pushing device 32 capable of pushing up the seedlings with soil located above the vertical seedling feeding device 31 is arranged below the seedling tank 16, and a planting clutch and pushing device 32 are arranged below the seedling tank 16. This is a vertical seedling feeding device for a rice transplanter that operates in conjunction with the rice transplanter, so when planting fractions at the final stage of rice transplanting, it is possible to disconnect some of the planting clutches in the planting transmission path. When the loading device 18 is stopped,
In connection with this, the seedlings with soil in the seedling tank 16 on the side where the planting device 18 has stopped are pushed up by the push-up device 32 and lifted upward from the vertical seedling feeding device 31, and the seedlings are lifted up by the lifting device 32 and lifted upward from the vertical seedling feeding device 31. 31 is driven, it is possible to prevent the soiled seedlings from being damaged or compressed and deformed.

[Brief explanation of drawings]

The drawings show embodiments of the invention.
The figure is a side view, FIG. 2 is a cutaway side view, and FIG. 3 is a cutaway side view.

Claims (1)

[Claims] 1. A seedling vertical feeding device 31 is provided at the bottom of the seedling tank 16, and a planting clutch is provided in the planting transmission path of the planting device 18, which plants seedlings with soil from the bottom end of the seedling tank 16 into the field. A pushing up device 32 that can push up the soiled seedlings located above the vertical seedling feeding device 31 is disposed below the seedling tank 16, and the planting clutch and pushing up device 32 are operated in a related manner. A vertical seedling feeding device for a rice transplanter, which is characterized by: