JPH0481412B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention aims to automatically penetrate the inverted U-shaped film support into the soil when multi-film is stretched in the form of a tunnel. Therefore, we propose a film support implantation device that is devised so that the film can be implanted at predetermined intervals.

[Prior art] Conventionally, the inverted U-shaped film supports used in so-called tunnel mulch have been manually implanted with one arm, so the film supports are transported and placed at predetermined intervals, and then one Currently, it takes a lot of effort and a long working time to implant the film support while supporting it by hand.

In addition, as a known document, as described in Utility Model Publication No. 62-33554, there is an implantation device that houses a film support in a box-shaped frame and is configured with a hydraulic cylinder at the rear end of the frame. There are some that have . It is difficult to replenish film supports.

[Problems to be solved by the invention] This invention is devised so that the work of planting film supports can be done in a short time with less labor by automating manual operations such as transportation, placement, and planting. In addition, the support holder, support feed device, etc. are compactly constructed to improve handling such as replenishment of the film support.

[Means for Solving the Problems] In order to solve the above problems, the present invention has taken the following technical measures.

That is, a plurality of inverted U-shaped film supports 6,
A column holder 5 that accommodates these film columns 6, 6, . The pillar penetrating device 8 is provided on a vertical frame portion 4a of the frame 4 which is L-shaped in side view, and a horizontal frame portion extending rearward from the vertical frame portion 4a. Above 4b,
This is a film strut implantation device characterized in that a strut holder 5 and a strut feeding device 7 are provided.

[Function] The inverted U-shaped film support 6 is connected to the support support device 7.
The film is sent to the prop penetration device 8 by the vertical frame portion 4a, and is implanted into the soil by the operation of the prop penetration device 8 provided on the vertical frame portion 4a, which saves labor in transporting, arranging, and planting the film prop. It is something that is done.

[Example] Next, an example of the present invention will be described based on the drawings. First, to explain the configuration, as shown in the side view in FIG. A column holder 5 is provided at the rear of the L-shaped frame 4, and the mountain-shaped upper part of the film column 6 is attached to this so that the plurality of film columns 6, which are inverted U-shaped when viewed from the front, straddle the column holder 5. A prop feeding device 7 is provided above the horizontal frame portion 4b of the frame 4, and is supported by the bottom portion 5a of the column holder 5 and transports the film column 6 forward from the column holder 5. The film support 6 is fed from the support feeder 7 onto the shutter 9 of the support penetration device 8 provided on the vertical frame portion 4a, and the film support 6 on the shutter 9 is inserted into the soil by the operation of the support penetration device 8. It is configured such that the left and right leg portions 6a, 6a are driven into the hole to a predetermined depth.

The prop feeding device 7 in this embodiment includes a belt conveyor 11 with lugs 10 on which the film prop 6 is placed so as to straddle the belt conveyor 11.
A motor 12 is controlled to rotate the film intermittently in the direction of the arrow in FIG. The upper part of the film is guided by the chute 13 that is attached to it and falls diagonally downward, and the left and right legs 6a of the film support 6,
The film support 6a is fitted into the hopper-shaped guide 14 and held in a substantially upright position directly below the support penetration device 8, and the film support 6a is inserted into the shutter 9.
The shutter 9 is provided so that the upper part of the shutter 9 rests on it.
It is pivotally connected to the chute 13 by a pin 15 and held in a substantially horizontal receiving position by a spring 16.

The strut penetrating device 8 is connected to a hydraulic cylinder 17 provided on the vertical frame portion 4a, and is located directly above the upper part of the film strut 6 resting on the shutter 9 in the retracted position, and as shown in the left and right portions of FIG. 1 in the extended position. It consists of a piston 18 that can penetrate the film support 6 into the soil at a height, and the tip of the piston 18 has a mountain-shaped fitting in front view that can be externally fitted to the mountain-shaped upper part of the film support 6 with little play. A strut holding part 20 with a groove 19 is attached.

Moreover, the above-mentioned strut implantation device has a structure that allows the multi-film 21 to be stretched on the upper part of the film at the same time, and the multi-film 21 is pulled out from the film roll 22 which is rotatably supported on the rear part of the frame 4. The left and right soil covering bodies are passed through the upper surface of the guide 23 and the lower surface of the mountain-shaped film guide 24, respectively, and the left and right sides of the multi-film 21 are stepped on by the left and right pressure wheels 26, 26 using their own weight and the spring 25. 27, 27 so as to cover the left and right side portions with soil.

Further, in the embodiment, when the tractor 1 is stopped, the strut penetrating device 8,
The apparatus is configured to automatically perform each operation of the column feeding device 7, and a control circuit diagram is shown in FIG. 3, and a hydraulic circuit diagram is shown in FIG. 4. When the clutch pedal 28 is pressed into the clutch OFF position, the switch L3 is turned on and its normally open contact L3a is closed, and the shutter 9 has already been activated.
Since the switch L4 is turned on by the upper film support 6, the relay R1 is turned on and the extension solenoid SOL1 of the penetration control valve 29 is energized. While being supplied to the extension side chamber of the cylinder 17,
The pressure oil in the contraction side chamber is discharged to the tank 31, the piston 18 protrudes, and the film support 6 held by the support clamping part 20 starts penetrating into the soil, and when the film support has penetrated to a predetermined depth. , switch L4 is turned on, relay R1 is turned off, extension solenoid SOL1 is demagnetized, and the piston 18 stops protruding, and normally closed contact L4b of switch L4 is closed, and relay R2 is turned on. (Since the switch L1 is turned on by the support clamp 20 only when the piston 18 is in the retracted position, its normally closed contact L1b is already on), and the reduction solenoid of the penetration control valve 29 is turned on.
SOL2 is excited, and the pressure oil of the oil pump 30 is supplied to the reduction side chamber of the hydraulic cylinder 17,
The pressure oil in the extension side chamber is discharged into the tank 31, the piston 18 retracts, and when it returns to the retracted position, the switch L
1 is turned on, the relay R2 is turned off, the reduction solenoid SOL2 is demagnetized, and the retracting operation of the piston 18 is stopped.

Also, since the normally open contact L1a and the normally closed contact L4b are both closed, the relay R3 is turned on, the motor 12 rotates, the belt conveyor 11 is rotated in the arrow direction, and the frontmost film support 6 is rotated. Shoot 9
When released upward, switch L4 is turned on by this film support 6, and switch L2 is turned on by lug 10, so relay R3 is turned off and motor 12 is stopped. . In this way, when one film support 6 has been implanted, the tractor 1 is advanced a predetermined distance, and
The film support 6 is implanted again.

In the illustrated example, the film support 6 on the support holder 5 is transferred to the support feed device 7 manually by an assistant who is riding on a step 32 provided on the L-shaped frame 4. However, this can also be automated by appropriate cylinder and piston movements.

Although not shown in the drawings, the column penetrating device 8 may be configured to perform driving with a hammer, and the column holder 5 and column feeder 7 may also be of various types in addition to the illustrated example. can.

[Effects of the Invention] As described above, the film implantation device according to the present invention includes a plurality of inverted U-shaped film supports, a support holder that accommodates these film supports, and a support that can be removed from the support holder. It is equipped with a prop feeding device that transfers the film prop to the front side, and a prop penetrating device that penetrates the film prop received from the prop feeding device into the soil. A column holder and a column feeding device are disposed above the horizontal frame section extending rearward from the vertical frame section, so that the film column sent forward by the column feeding device The film supports can be received one by one and automatically penetrated into the soil by the support penetration device, making it possible to efficiently perform the work of planting film supports.

In addition, the vertical frame part of the L-shaped frame when viewed from the side is equipped with a pillar penetrating device, and the space above the horizontal frame part is provided with a pillar feeding device and a pillar holder.
The structure and layout of the entire working machine become compact, the film support can be easily supplied from the rear of the working machine, and transportation, etc. can be omitted.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is an overall side view, FIG. 2 is a rear view of the main part of FIG. 1, FIG. 3 is a control circuit diagram, and FIG. 4 is a hydraulic circuit diagram. Explanation of symbols: 4... L-shaped frame, 5... Strut holder, 6... Film strut, 7... Strut feeding device, 8... Strut penetrating device.

Claims (1)

[Claims] 1. A plurality of inverted U-shaped film struts, a strut holder that accommodates these film struts, a strut feeder that takes them out of the strut holder and transfers them to the front, and a support that receives them from the strut feeder. and a prop penetrating device for penetrating the film prop into the soil. A film strut implantation device characterized in that a strut holder and a strut feeding device are disposed above.