JPH10201305A - Work machine for burying agricultural pipe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a work machine for burying an agricultural pipe, by which work for burying the agricultural pipe is made mechanized, release from heavy labor work is attained and work efficiency is improved. SOLUTION: This burying work machine is the one for burying the flexible agricultural pipe P under the ground of a farm land and is provided with a burying pipe for inserting the agricultural pipe P freely movably in the rear part of the land preparing plate of a rotary power tiller 5 and the agricultural pipe P proceeded from the lower end of the burying pipe 8 is buried under the tilled ground by the movement of the rotary power tiller 5 in a state where the agricultural pipe P is inserted freely movable to the burying pipe 8. The burying pipe 8 is constituted so as to be adjusted in its lower end position in accordance with tillage depth by the rotary power tiller 5 which is linked with a tractor 2, for example.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underground agricultural pipe for circulating hot water for maintaining a temperature or for supplying water to crops in a greenhouse or the like. The present invention relates to a machine for burying agricultural pipes used when burying in agricultural land.

[0002]

2. Description of the Related Art Conventionally, when burying a pipe for hot water in the underground of agricultural land in a greenhouse, for example, a parallel groove is dug by a cultivator or the like, a pipe is inserted into this groove, and the end is connected to a pipe. It is done by connecting them and covering them with soil.

[0003] Thus, a pipe is buried in a house along a ridge of, for example, a melon, and both ends of the pipe are connected to, for example, a boiler or the like, and hot water is circulated and supplied into the pipe to form a greenhouse. Is maintained at a predetermined temperature to keep the inside of the house warm.

[0004]

However, in this work of burying pipes, although digging is mechanized, the work of putting the pipes in the grooves and the work of covering the soil are performed manually by agricultural workers. Therefore, there is a problem that the burial work becomes hard labor and the work efficiency is poor.

[0005] In particular, in a farmhouse where the cultivation area of the house is large, the burden on the agricultural worker is further increased, and problems such as a delay in agricultural work due to a decrease in work efficiency may occur. What is desired is the actual situation.

Accordingly, the present invention has been made in view of such circumstances, and an object of the invention described in claims 1 to 3 is to enable mechanization of the burial work of agricultural pipes, thereby reducing the labor from heavy labor. An object of the present invention is to provide an agricultural pipe burying machine capable of improving work efficiency.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, an invention according to claim 1 is a burial work machine for burying a flexible agricultural pipe in the ground of a farmland, comprising: A buried pipe through which the agricultural pipe is movably inserted is provided behind the leveling plate of the machine, and the agricultural pipe is movably inserted into the buried pipe. It is characterized by burying agricultural pipes extending from the lower end in the plowed ground.

When the rotary tilling machine is moved by this configuration, the agricultural land is tilled by the rotary of the rotary tilling machine, and the lower end of the buried pipe is located in the cultivated and soft ground. From the lower end of the buried pipe, a flexible agricultural pipe is pushed out and laid under the ground following the movement of the rotary cultivator. As a result, the agricultural pipe is automatically buried in the ground following the movement of the rotary cultivator, and the embedding work can be mechanized.

The invention according to claim 2 is characterized in that the buried pipe is configured so that the position of the lower end thereof can be adjusted according to the tillage depth of the rotary tiller. By forming in this manner, the burial depth of the agricultural pipe can be adjusted, and for example, it can be set to an optimum position according to the crop to be cultivated.

According to a third aspect of the present invention, there is provided a rotary cultivator connected to a tractor, a pipe guide capable of inserting and moving an agricultural pipe through the tractor, or a pipe winding machine on which an agricultural pipe is wound. It is characterized by having.

With this structure, for example, by providing a pipe guide on the tractor, the agricultural pipe moves relative to the tractor along the pipe guide, and the agricultural pipe moves out from the lower end of the buried pipe. The pipe is buried smoothly in the ground. Further, by providing the tractor with the pipe winding machine, it is not necessary to lay, for example, agricultural pipes one by one on the farmland, and the work efficiency of the burying work is further improved.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. 1 to 3 show an embodiment in which the burial machine for burying agricultural pipes according to the present invention is mounted on a tractor, FIG. 1 is a side view thereof, FIG. 2 is a rear view of main parts, and FIG. It is explanatory drawing of a burying work method.

In FIG. 1 and FIG.
A pair of pipe support pipes 6 provided on a rotary cultivator 5 connected to a rear portion of a tractor 2 having left and right running wheels 3 (rear wheels) and steering wheels 4 (front wheels), and through which buried pipes 8 and 9 are inserted. , 7. The tractor 2 has pipe guides 10, 1 corresponding to the pipe support pipes 6, 7, respectively.
1 is provided.

The pipe support tubes 6, 7 are provided substantially in parallel,
A pair of stays 14 fixed at predetermined intervals to a substantially central portion of the outer surface of the leveling plate 13 of the rotary tiller 5 are connected to each other so as to be rotatable about a shaft 15. The pair of pipe support tubes 6 and 7 are connected by a connection plate 16,
A hook 17 is fixed to a substantially central portion of the connecting plate 16. When the string 18 is hooked on the hook 17 and the string 18 is pulled from the driver's seat 19 of the tractor 2, the pipe supporting pipes 6 and 7, that is, the buried pipes 8 and 9 are rotated as shown by the arrow A in FIG.

The buried pipes 8, 9 inserted into the pipe support pipes 6, 7 are bent so that their lower ends 8a, 9a are substantially horizontal, and tapered openings 20 at their upper ends 8b, 9b. Are formed. The buried pipes 8, 9 are pipe supporting pipes 6, 7 such that their lower ends 8a, 9a are located slightly above the lower edge of the rotary 22 of the rotary tiller 5.
It is fixed to.

The rotary tiller 5 is connected to the rear of the tractor 2 via lower links 23 on the left and right and a top link 24 at the center, and the height thereof is adjusted by an operation from a driver's seat 19. The rotary 22 is connected to the power (engine) of the tractor 2 and rotates, and the upper rear portion thereof has a lower link 23 and a top link 2.
4 and the like.

On the other hand, the pipe guides 10 and 11 are provided on the left and right sides of the rear portion of the driver's seat 19 of the tractor 2 and on the left and right sides of the cover 25 of the engine unit, respectively. The pipe guides 10 and 11 are formed of, for example, a pair of openable and closable block materials having a semicircular concave groove so as to slidably guide the agricultural pipe P. 11, the agricultural pipe P is buried while being guided as described later.

Next, an example of the embedding work by the embedding work machine 1 will be described with reference to FIG. First, an agricultural pipe P made of, for example, a black polyvinyl chloride pipe is cut into a length corresponding to the length of the farmland N in the plastic greenhouse H shown in FIG. Arrange on the farm land N at the corresponding intervals.

Then, the tractor 2 is positioned at the corner N1 on the starting end side of the farmland N, and the ends of the two pipes P1 placed on the farmland N are connected to the buried pipes 8, 9 of the burying work machine 1. Insert each one. At this time, the pipe P1 is buried pipe 8,
The pipe P1 is pushed in by using the tapered openings 20 at the upper ends 8b and 9b of the pipe 9, and the pipe P1 is pulled out from the openings of the lower ends 8a and 9a of the embedded pipes 8 and 9 by a predetermined length.

The pipe P1 is connected to the lower ends 8 of the buried pipes 8 and 9.
a, 9a, the ends of the drawn pipe P1 are fixed to the K1 and K2 positions of the farmland N by an appropriate method, and the pipe P1 inserted through the buried pipes 8 and 9 is connected to the pipe of the tractor 2. The guides are set on the guides 10 and 11, respectively. As a result, the starting ends of the two pipes P1 placed on the farmland N are placed on the left and right sides of the tractor 2.

In this state, the engine of the tractor 2 is started, the rotary tiller 5 is operated, the farmland N is plowed by the rotary 22, and the string 18 connected to the hook 17 of the connecting plate 16 is loosened to remove the pipe. The support tubes 6 and 7 are rotated downward by their own weights to bring them into the position shown by the solid line in FIG.

When the tractor 2 is operated to move forward in the direction of arrow B, the pipe P1 placed on the farmland N in front follows the movement of the tractor 2 and the pipe guide 1
It is placed on the tractor 2 while being guided by 0 and 11, and moves backward (passes), that is, the relative position between the tractor 2 and the pipe P1 changes.

A pipe P moving rearward of the tractor 2
1 moves in the buried pipes 8 and 9 of the burying work machine 1 and is placed from its lower ends 8a and 9a in the soft ground plowed by the rotary 22 and the placed pipe P
The soil scraped up by the rotation of the rotary 22 or the like is put on the top 1.

That is, the lower ends 8a of the buried pipes 8, 9
9a is set so as to be located in the ground cultivated by the rotary 22, so that the buried pipes 8, 9 are simultaneously cultivated.
1 and 2, a pipe P1 which is pushed out and advances as shown by an arrow C in FIG. 1 and FIG. 2 is placed in the ground, and soil is put thereon, whereby the buried pipe P1 is automatically buried. Will be.

When the tractor 2 moves forward and reaches a position on the opposite side of the farmland N in the longitudinal direction, two pipes P1 are buried at constant intervals in the ground. Then, the next pipe P1 placed on the farm land N is buried in the ground in the same manner as described above, and by repeating this operation, a plurality of pipes cut to a predetermined length and placed on the farm land N are obtained. The pipe P1 is buried in the ground except for both ends.

The burying work machine 1 by moving the tractor 2
When all the pipes P1 are buried underground by the movement of the pipes, the ends thereof are connected by connecting pipes Ps so that the pipes P1 are in series, and the pipes P1 connected in series are connected.
Are connected to the boiler 26, for example. Thereby, the installation work of the agricultural pipe P is completed, and the boiler 26
Thereby, hot water is circulated and supplied into the agricultural pipe P buried underground, and the temperature in the greenhouse H is maintained at a predetermined temperature.

As described above, in the burying work machine 1 of the above embodiment, the agricultural pipe P is cut into the length of the agricultural land N in advance and placed on the agricultural land N, and one end thereof is embedded in the buried pipe 8. , 9
The pipes P1 advance from the lower ends 8a, 9a of the buried pipes 8, 9 by simply operating the tractor 2 by setting the pipes 10 and 11 in the pipe guides 10 and 11 of the tractor 2 and fixing the ends thereof. Since the pipe P1 is buried therein, the pipe P1 can be buried automatically, and the burying work can be mechanized.

As a result, there is no need to manually put the pipes P1 into the trenches and cover the soil, and the labor is greatly increased especially when the agricultural pipes P for heat insulation are buried in the greenhouse H having a large area. To reduce labor, improve labor efficiency of burial work, and achieve a great effect in recent years when agricultural labor is in short supply. Etc.) can also be prevented.

The burying work machine 1 is connected to the burying pipes 8 and 9.
Pipe guide pipes 6 and 7 through which pipes can be inserted, and pipe guide 1
Since it can be constituted only by 0, 11 and the like, the structure can be extremely simplified and can be constituted at low cost, and the rotary tiller 5 of the tractor 2 owned by the farmer can be constructed.
Buried work machine 1 that can effectively utilize
Can be obtained.

Further, the pipe supporting tubes 6 and 7 are
(That is, the tractor 2 is rotatably mounted on the ground plate 13 and can be operated by the cord 18 from the driver's seat 19 of the tractor 2).
When the tractor 2 is not used, the tractor 2 can be normally used by pulling the cord 18 and rotating it upward without adversely affecting the normal plowing operation.
Further, tapered openings 20 are formed at the upper ends of the buried pipes 8 and 9.
Is formed, the work of inserting the agricultural pipe P can be easily performed.

FIG. 4 is a side view showing another embodiment of the agricultural pipe burying work machine according to the present invention when mounted on a tractor. The feature of this embodiment is that the agricultural pipe P
Is mounted on the tractor 2.

That is, a pipe winding machine 28 in which an agricultural pipe P of a predetermined length is wound on a cover 25 of, for example, an engine portion of the tractor 2 via a mounting plate 29 or the like, and is attached to the pipe winding machine 28. The end of the wound agricultural pipe P is connected to pipe support pipes 6 and 7 via pipe guides 11 and 10.
Through the buried pipes 8 and 9.

This embodiment is suitable for using a relatively flexible agricultural pipe P. With this configuration, the pipes P1 cut as described above can be used one by one for the agricultural land N. There is no need to arrange them on the upper side, and an operational effect that the work efficiency of the burying work can be further improved can be obtained.

In the above embodiment, a pair of buried pipes 8 and 9 are provided in the rotor cultivator 5 so that two agricultural pipes P can be buried at the same time. There is no limitation, and one buried pipe may be provided and the agricultural pipe P may be buried one by one, or three or more buried pipes may be provided and three or more agricultural pipes P may be buried at the same time. You may do it.

In the above embodiment, the distance between the pair of pipe support pipes 6 and 7 (buried pipes 8 and 9) is
6 and the buried pipes 8 and 9 are fixedly provided on the pipe support pipes 6 and 7. For example, the interval t between the pair of pipe support pipes 6 and 7 (see FIG. 2) can be adjusted. Alternatively, the interval between the buried agricultural pipes P may be adjusted.

The buried pipes 8 and 9 are provided on the pipe support pipes 6 and 7 so as to be able to advance and retreat as shown by arrows d in FIG. 4, and the positions of the lower ends 8a and 9a (buried positions) of the buried pipes 8 and 9 are adjusted. You may be comprised so that it may obtain. With this configuration,
Burying work can be performed under optimum conditions according to the type of crop, the condition of the agricultural land N, the type of agricultural pipe P, and the like.

Further, in the above-described embodiment, an agricultural pipe P for keeping heat in a house such as a greenhouse H is used.
However, for example, in order to supply water to the ground or the ground surface, the present invention can also be applied to a case where an agricultural pipe with a water supply hole is entirely or partially buried in the ground.

In the above embodiment, the case where the buried working machine 1 is mounted on the tractor 2 has been described. However, the buried working machine 1 can be mounted on a general self-propelled cultivator having a rotary. 9 is a pipe support tube 6,
7 can also be directly attached to the ground plate 13 without using.

Further, the configuration of the tractor 2 and the rotary cultivator 5, the shape of the buried pipes 8 and 9 such as length and diameter, and the connection structure of the pipe support pipes 6 and 7 to the rotary cultivator 5 are also examples. It goes without saying that various changes can be made without departing from the spirit of the present invention.

[0040]

As described in detail above, claims 1 to 3
According to the invention described above, by arranging the agricultural pipe so as to be able to pass through the buried pipe provided on the leveling plate of the rotary tilling machine, the agricultural cultivation projecting from the lower end of the buried pipe into the ground cultivated by the rotary cantilever The pipe can be automatically buried, so that mechanization of the burying work can be achieved, and there are effects such as release from heavy labor and greatly improved work efficiency of the burying work.

[Brief description of the drawings]

FIG. 1 is a side view of an agricultural pipe burying machine according to the present invention mounted on a tractor.

FIG. 2 is a rear view of a main part of the same.

FIG. 3 is an explanatory view of a method of burying the same.

FIG. 4 is a side view of another embodiment according to the present invention, in which an agricultural pipe burying machine is mounted on a tractor.

[Explanation of symbols]

 1 ····· Burial work machine 2 ····· Tractor 5 ····· Rotary cultivator 6, 7 ···· Pipe support tube 8, 9 ····· Buried pipes 8a, 9a: lower end 8b, 9b: upper end 10, 11: pipe guide 13: ground plate 14: stay 16: connecting plate 17: hook 18: string 22: rotary 23: lower link 24: top link 25: cover 26 Boiler 28 Pipe winding machine P, P1 Agricultural pipe N Agricultural land

Claims (3)

[Claims] 1. A burying work machine for burying a flexible agricultural pipe in the ground of agricultural land, wherein the agricultural pipe is movably inserted behind a leveling plate of a rotary cultivator. Providing a buried pipe, burying the agricultural pipe that extends from the lower end of the buried pipe by moving the rotary cultivator in a state where the agricultural pipe is movably inserted into the buried pipe. An agricultural pipe burying machine characterized by the above-mentioned. 2. A burying operation of an agricultural pipe according to claim 1, wherein said buried pipe is configured such that a position of a lower end thereof can be adjusted according to a tillage depth by a rotary tiller. Machine. 3. The rotary tilling machine is connected to a tractor, and the tractor is provided with a pipe guide capable of inserting and moving an agricultural pipe or a pipe winding machine on which an agricultural pipe is wound. The agricultural pipe burying machine according to claim 1 or 2, wherein