JP2896384B2 - Column fall detector for tunnel multi-tasking machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an operation of pushing a tunnel support of a tunnel multi into a field and setting it at a predetermined interval, and coating a multi-film on an outer peripheral portion of the tunnel support set in the field. A tunnel multi-working machine that can perform a series of operations such as holding the grounding hem of the film by burying the soil in one stroke, and more particularly to a column fall detection device that detects the fall of a tunnel column. It is.

[Conventional technology]

Conventionally, a multi-film laying device for laying a multi-film on the surface of a tilled, leveled, ridged field, sowing or seedling transplantation in a field in a hole portion of a multi-film laid in a field scene Or a seedling transplanting device is known, but it is necessary to straddle a multi-film row on which seeds or seedlings have been transplanted, push tunnel supports into the field and stand them at almost predetermined intervals, There has been no work machine which continuously performs a multi-film coating operation in which a multi-film is drawn out along a portion and covered, and a ground contact hem of the film is brought together and pressed down in one stroke.

[Problems to be solved by the invention]

Each of the above prior art devices is independent, and some of them are combined,
There is no device that straddles the seeded or transplanted multi-film row and pushes the tunnel strut into the field at approximately predetermined intervals.With the development of this device, a multi-film was placed on the outer periphery of the tunnel strut set in the field. There has been a demand for a work machine that performs a tunnel multi-work in a single stroke by combining a device for performing a work of covering a ground contact portion of a film with a soil and holding it. In addition, since the work of pushing the tunnel strut into the field and setting it at a substantially predetermined interval is performed while the traveling vehicle is running, it is necessary to confirm that the tunnel strut set in the field is set up almost vertically without falling down in the front-rear direction. was there.

The present invention has been made to solve the above problems.

[Means for solving the problem]

In order to achieve the above object, the present invention provides a
At least, a tunnel support mechanism for loading a plurality of tunnel supports in an inverted U-shape and sending the tunnel supports in the rearward direction, and holding the tunnel supports delivered by the tunnel support mechanism one by one in an inverted U-shape. Surface, and a tunnel post insertion mechanism that inserts the tunnel post into the field and erects it; and a film laying mechanism that coats the multi-film around the outer periphery of the tunnel post that is erected on the field. And a detecting device for detecting that the tunnel support has fallen in the front-rear direction.

[Action]

According to the above configuration, the present invention straddles the multi-film row in which seeds or seedlings are transplanted, pushes the tunnel support into the field and sets it at a predetermined interval, and places the multi-film on the outer periphery of the tunnel support set in the field. Coated,
A series of operations, such as an operation of bringing down and holding down the ground contact portion of the film, is performed in one stroke. If the tunnel support falls down in the front-rear direction, this can be detected and corrected.

Therefore, efficient and highly accurate work is performed, and there is no need to prepare a plurality of working devices.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a traveling vehicle body, and the traveling vehicle body 1 is equipped with a crawler type traveling device 3 below a body 2. A rotary tillage device 4 is provided below the body 2, and a leveling / ridge plate 5 is provided behind the rotary tillage device 4. A multi-film roll 6 for laying a multi-film on the surface of the cultivated, leveled, and ridged field F is suspended above the leveling / ridge-raising plate 5. A film holding and punching roller 7 is provided diagonally below and behind the multi-film roll 6 for holding and pressing holes for sowing or seedling transplantation at predetermined intervals in the multi-film. Behind, a film holding roller 8 and a mounting disc 9 for holding the soil by pressing on the left and right sides of the film are provided.

In addition, a seeding device 10 is provided behind the film holding and punching roller 7, and the seed feeding portion of the seeding device 10 includes a film holding and punching roller 7 and a chain transmission system.
The film 11 is linked so as to rotate in synchronism, and is sowed in the hole of the multi-film formed by the film holding and punching roller 7. The seeding device 10 may be replaced with a seedling transplanting device.

On the body 2, a tunnel support conveyor 13 for sequentially transferring a large number of tunnel supports 12 rearward is provided. At the transport end of the tunnel support conveyor 13, the tunnel supports 12 supplied from the tunnel support conveyor 13 are received one by one, and the hydraulic cylinders 14 are received.
, A tunnel support 15 is provided which is pushed into the field F to stand at a substantially predetermined interval. The hydraulic cylinder 14 and the tunnel support 15 support the tunnel support 12 so that the tunnel support 12 is pushed into the field F by the hydraulic cylinder 14 so as to stand at a substantially predetermined interval so as to straddle the sowed or seedling-transplanted multi-film row.

A multi-film roll 16 is supported behind the hydraulic cylinder 14 and the tunnel support 15, and a multi-film 16 unreeled from the multi-film roll 16.
a central pressing roller 17 for holding a, and multi-film 16a
And a side holding roller 18 for holding both left and right sides of the tunnel, so that the multi-film is fed out and covered along the outer peripheral portion of the tunnel support 12 set up in the field.
In addition, a backing disc 19 is provided behind the side pressing roller 18 so as to approach and hold the ground to the foot of the film.

Behind the tunnel support 15, a support fall sensor 20 is provided so as to extend from the body 2. As shown in detail in FIG. 2 to FIG. 4, the pillar fall sensor 20 extends the other end of the stay 21 having one end attached to the body 2 backward, and bends the rear end upward. A switch 22 and a spring sensor 23 are attached to the end. Then, when the tunnel support 12 which is pushed into the field F by the hydraulic cylinder 14 and the tunnel support 15 and is erected at a substantially predetermined interval falls down in the front-rear direction,
The spring sensor 23 comes into contact with this, and the switch 22 is operated. The switch 22 may be connected to a warning lamp and a buzzer (not shown), and may stop the traveling of the traveling vehicle body 1.

In a tunnel multi-working machine having such a configuration,
In the field, the traveling vehicle 1 is caused to travel at a substantially constant moving speed, and at the same time, each device and mechanism are operated. Then, first, the field F is plowed by the rotary tillage device 4, and the plowed soil is leveled and ridged by the leveling / ridge plate 5. Then, the multi-film is pressed from the multi-film roll 6 on the leveled and ridged soil by the film-holding and punching roller 7 and the film-holding roller 8 to cover the soil. It is pressed against the soil by the disk 9 and held down. Holes for sowing or seedling transplantation are formed in the multi-film at predetermined intervals by a film holding and hole forming roller 7, and the seeding device 10 sows the holes. (Or the seedlings are transplanted by a seedling transplanter).

On both sides of the sowed or seedling-transplanted mulch ridges, tunnel supports 12 transported by a conveyor 13 are provided.
However, the tunnel supports 15 one by one from the transport end
And is pushed by the extension of the hydraulic cylinder 14 so as to be set up at substantially a predetermined interval. If the tunnel support 12 erected on the field F is not substantially vertical and is inclined in the front-rear direction, the spring sensor 23 comes into contact with this and activates the switch 22 to turn on the warning lamp and the buzzer. To inform the operator or stop traveling of the traveling vehicle body 1. Then, this is corrected manually and the operation is restarted.

Then, the multi-film roll 16 is placed on the tunnel support 12 erected at substantially predetermined intervals on both sides of the mulch ridge.
Then, the multi-film 16a is pushed out by being pressed by the center pressing roll 17 and the side pressing roll 18, and covers the outer peripheral portion of the tunnel support 12 to be grounded at both left and right ends.
Mounting foot 19 of the multi-film 16a
, And the laying of the tunnel mulch is completed.

Therefore, from the tilling work of the field F by the rotary tilling apparatus 4, a series of covering the multi-film 16a with the tunnel supports 12 erected on both sides of the cultivated ridge on which the seeds or seedlings have been transplanted, and pressing the ground skirt with soil. The work is performed in one stroke, and the work is performed continuously, so that efficient and highly accurate work is performed.

The tunnel multi-working machine of the present invention may incorporate other working devices such as a fertilizer, a control device, and a watering device in addition to the above-described working devices.

〔The invention's effect〕

As described above, according to the column fall detecting device in the tunnel multi-working machine of the present invention, the traveling of the traveling vehicle body, the straddling or seedling transplanted so as to straddle the multi-film row, pushing the tunnel column into the field. Performing a series of tasks, such as work to set up at a predetermined interval, covering the outer periphery of a tunnel supporter set up in a field with multi-film, and closing and holding down the ground contact hem of the film in a single process Can be.

Further, when the tunnel support standing on the field has fallen, it is to be detected by the detection device to inform the worker or stop the traveling of the traveling vehicle body, and to correct the falling tunnel support. Can be.

Therefore, an efficient and accurate tunnel multi-laying work can be performed, and it is economical because there is no need to prepare a plurality of working devices.

[Brief description of the drawings]

FIG. 1 is a side view of an entire tunnel multi-working machine showing an embodiment of the present invention, FIG. 2 is a front view of a pole fall sensor, FIG. 3 is an explanatory view of an operation of a detecting device, and FIG. FIG. DESCRIPTION OF SYMBOLS 1 ... Running body, 2 ... Body, 3 ... Crawler type traveling device, 4 ... Rotary tillage device, 5 ... Leveling / ridge plate,
6,16 ... Multi film roll, 7 ... Film holding and punching roller, 8 ... Film holding roller, 9,19 ...
... Mounting disc, 10 ... Seeding device, 11 ... Chain transmission system, 12 ... Tunnel support, 13 ... Tunnel support transport conveyor, 14 ... Hydraulic cylinder, 15 ... Tunnel support, 17 ... Center support Roller, 18… Side pressing roller, 19… Mounting disc, 20… Column fall sensor, 21
... stay, 22 ... switch, 23 ... spring sensor, F ...
... field.

Claims (1)

(57) [Claims] 1. A tunnel post supply mechanism for loading at least a plurality of tunnel posts in an inverted U-shape on a traveling vehicle body and sending the tunnel posts rearward in order, and one tunnel post fed by the tunnel post supply mechanism. A tunnel post insertion mechanism that holds the inverted U-shape and moves to the field scene, inserts the tunnel post into the field and stands up, and a film laying mechanism that covers the outer periphery of the tunnel post that is set up in the field with a multi-film, A detection device for detecting the fall of a pillar in a tunnel multi-working machine, wherein a detection device for detecting that a tunnel support has fallen in the front-rear direction is provided behind the film laying mechanism.