JP2001159151A - Machine for burying pipe - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and efficiently lay a fluid-spraying pipe underground. SOLUTION: A traveling body is provided with an excavating section 10 for a ditch, a pipe feeder 20, and a backfilling section 30 for the ditch. As the traveling body advances, a ditch is excavated by an excavating chain of the excavating section 10 and a fluid spray pipe 7 is let out from a winding drum 21, into the ditch. The ditch in which the fluid spray pipe 7 is laid, is backfilled by an earth scrapper plate 31 of the backfilling section 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for burying a fluid spray pipe for discharging a fluid such as steam or liquid fertilizer into the soil.

[0002]

2. Description of the Related Art In a cultivation house or the like, there is a case where the soil is disinfected by discharging steam from a steam distribution pipe buried in the soil. In this case, conventionally, after excavating the medium and forming a groove, a steam scatter pipe is manually inserted into the groove and set, and when the installation of the steam scatter pipe is completed, soil is poured into the groove. As a result, the steam distribution tube was buried.

[0003]

Conventionally, when burying a fluid distribution tube for discharging steam or the like, an excavation operation for forming a groove,
By separately performing the piping work to install the fluid spray pipe in the groove and the burying work to put the soil in the groove after the piping, especially by performing the piping work manually, labor and time It was hanging. SUMMARY OF THE INVENTION An object of the present invention is to facilitate the work of burying a fluid distribution tube easily and efficiently.

[0004]

The constitution, operation and effect of the invention according to claim 1 are as follows.

[Structure] A groove excavation part for forming a groove in the ground as the traveling body travels, a pipe supply part for feeding and supplying a fluid dispersion pipe to the groove formed by the groove excavation part, and a pipe supply part And a groove filling section for filling a groove after the section has supplied the fluid distribution tube.

[Operation] When the traveling machine is run, the groove excavation section forms a groove in the ground along with the traveling body, and the pipe supply section feeds out and supplies the fluid spraying pipe to the groove, and the spraying pipe. Each operation of digging work to fill the groove after the supply with the groove filling part to form the groove, piping work to supply the fluid spray pipe to the groove, and groove filling work to fill the groove and bury the fluid spray pipe. Is performed naturally and at once.

[Effect] When performing operations such as disinfection and fertilization to supply steam and liquid fertilizer from the soil, the excavation work, the plumbing work, and the trench filling work can be performed at once by simply moving the traveling body. In addition, the fluid spray tube can be embedded easily and efficiently, and the fluid spray tube can be swiftly and inexpensively implemented in terms of the work of embedding the spray tube.

The structure, operation and effect of the invention according to claim 2 are as follows.

[Structure] In the structure according to the first aspect of the present invention, the fluid spray tube is a flexible spray tube.

[Effect] Even when a large fluid distribution tube is necessary in terms of length and quantity, it can be wound around a winding drum,
It can be wound into a coil and transported to the site of burying work. Further, at the site of the embedding work, the reel can be continuously fed into the groove by rotating the winding drum or canceling the coil winding.

[Effect] The fluid dispersion tube can be wound around a take-up drum, wound up in a coil shape and housed compactly, and can be easily handled and transported. In addition, it is possible to smoothly and easily supply the groove to the groove simply by rotating the winding drum or canceling the coil winding.

The structure, operation and effect of the invention according to claim 3 are as follows.

[Structure] In the structure according to the second aspect of the present invention, the tube supply unit is configured such that the fluid dispersion tube is unwound from the winding drum.

[Effect] Even when a large fluid distribution tube is required in terms of length and quantity, it can be wound around a winding drum and housed compactly. Further, the winding drum is rotated by the tension generated in the fluid distribution tube for traveling of the traveling machine body, and by this rotation, the fluid distribution tube can be fed to the groove and supplied.

[Effects] The pipe supply section is designed so that the fluid dispersion pipe can be housed compactly and the fluid dispersion pipe can be smoothly fed out by a simple feeding means that allows free rotation of the winding drum. The pipe burying machine can be made compact and easy to operate and handle.

The structure, operation and effect of the invention according to claim 4 are as follows.

[Structure] In the structure of the invention according to claim 3, the winding drum is configured to be driven to the winding side of the fluid dispersion tube.

[Operation] The winding drum is driven to the winding side, and the fluid dispersion tube can be pulled up from the soil by the winding force exerted by the winding drum to be wound up and collected. .

[Effect] When the steam disinfection of the soil is completed and the steam spray tube is used in another disinfection place, or when the damaged fluid spray tube is replaced in the soil, the winding drum is driven to the winding side. While the traveling body is running, it can be used for collection so that the fluid spray pipe can be collected from the soil, and the collection operation can be performed easily and efficiently simply by running the traveling body.

The structure, operation and effect of the invention according to claim 5 are as follows.

[Structure] In the structure of the invention according to any one of claims 1 to 4, the fluid spray pipe is a spray pipe for discharging disinfecting steam to soil.

[Operation] In disinfecting the soil, a traveling body is run to bury a scatter pipe for vapor release or to collect from the soil. In other words, if steam is supplied from the surface of the soil, the steam is likely to leak out of the soil, whereas steam is supplied from the soil and heat is unlikely to leak out of the soil, disinfecting the soil while heating it efficiently. It allows you to work. Also, after the release of steam, if you leave the spray tube in the soil,
While the spray tube will be dedicated to the cultivation area, it will be possible to collect the scatter tube after steam release and disinfect the scatter tube while making it available for disinfection of another cultivation area. is there.

[Effect] Soil disinfection, in which the spray pipe is easily and efficiently buried simply by moving the traveling machine body to prevent steam from leaking out of the soil, can be advantageously performed from the viewpoint of the work of burying the spray pipe. Soil disinfection can be performed easily and efficiently by simply running the traveling machine, collecting the spraying pipes and making it difficult for steam to leak out of the soil. It can be performed at low cost in terms of tube collection time.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a pair of left and right steerable front wheels 1, 1, a pair of right and left rear wheels 2, 2, and an engine 3 located above a front axle are shown in FIG. A groove excavation unit 10 having an endless rotary type excavation chain 11 at the rear of a self-propelled body having a driving unit having a steering handle, a driver's seat, and the like located behind the driving unit. A pipe supply section 20 having a winding drum 21 located slightly behind the groove excavation section 10;
0 and a groove filling portion 30 having a porcelain plate 31 located slightly behind, and configured to transmit power from the transmission case 4 forming the rear portion of the self-propelled body to the groove excavation portion 10, A riding type pipe burying machine is configured. This pipe burying machine is used when disinfecting soil such as a vegetable cultivation house with steam, and is configured in detail as follows.

The groove excavation part 10 includes an excavation part frame 12 having a front end connected to a rear part of the transmission case 4 of the self-propelled body via a link mechanism 5 which can be vertically swung by a hydraulic lift cylinder. This excavation part frame 1
The excavating chain 11 is mounted over a plurality of sprockets 13 supported by the excavator 2, and an auger 14 is supported by the excavating portion frame 12 so as to be rotatable around a horizontal axis of the machine body. One of the plurality of chain sprockets 13 and the auger 14
Is configured to drive the excavation chain 11 and the auger 14 by being driven by being transmitted with power from a power take-out shaft provided at the rear of the transmission case 4 of the self-propelled body. is there.

That is, by operating the lift cylinder to swing the link mechanism 5 up and down with respect to the self-propelled body, the excavating part frame 12 swings up and down with respect to the self-propelled body, and May rise from the ground and the trench excavation unit 10 may be in a non-working state, or the rear end side of the excavation chain 11 may be in contact with the trench excavation unit 10 in a working state. When the traveling machine is caused to travel while the groove excavation unit 10 is in the working state, the driven excavation chain 11 excavates the ground by using excavation claws provided at a plurality of locations in the longitudinal direction of the excavation chain 11. The auger 14 sends out the soil scraped above the groove 6 onto the ground laterally outside the groove 6.

The pipe supply section 20 has a supply section frame 22 extending from the excavation section frame 12 of the groove excavation section 10 so as to be swingable up and down rearward, and the supply section frame 22 is rotatable. The winding drum 21 to be supported
A drum motor 23 that is linked to a rotation support shaft of the winding drum 21; and a plurality of guide wheels 24 rotatably supported by the supply unit frame 22 below the winding drum 21. 25. The drum motor 23 is driven by the hydraulic pressure supplied from the self-propelled body to drive the rotation support shaft of the winding drum 21, thereby driving the winding drum 21 to the winding side of the steam distribution pipe 7.

That is, the winding drum 21 is configured to wind and house the flexible vapor distribution tube 7. The winding of the pipe supply unit 20 is stopped by the rotation of the winding drum 21 and the drum motor 23 so that the winding drum 21 rotates freely, and the guide wheel 25 located at the lowest level is formed by the groove formed by the groove excavation unit 10. 6 and the self-propelled body is caused to travel. At this time, the tip side of the steam spray pipe 7 unwound from the winding drum 21 is fixed to a pile provided at the end of the cultivation area, or embedded and fixed in a groove previously provided at a work starting point of the ridge 8. Keep it. Then, as shown in FIG. 1, tension is generated in the steam dispersion pipe 7 due to the movement of the traveling body, and the winding drum 21 rotates to draw out the steam dispersion pipe 7 due to the tension, and the guide wheel is rotated. The body 25 is a steam spray tube 7 from the winding drum 21.
Is guided to the bottom of the groove 6 and supplied. As a result, the pipe supply unit 20 moves the groove excavation unit 1 as the traveling body travels.
0 is wound around the groove 6 formed by the
And supply.

As shown in FIG. 4, the bottom of the grooved excavation section 10 is moved downward so that the excavation chain 11 descends to near the upper part of the steam distribution pipe 7 in the soil and does not damage the steam distribution pipe 7. A groove 9 having a depth of up to 7 is formed above the steam distribution pipe 7 in a descending operation state. And the pipe supply unit 20 is
The take-up drum 21 is driven to the take-up side by the drum motor 23, and the traveling body is moved in a working state in which the guide wheel body 25 of the lowest level is located inside the groove 9 formed by the groove excavation part 10. . Then, the winding drum 21 is driven by the drum motor 23 to pull up the steam dispersion pipe 7 from the soil below the groove 9 and wind it up for the winding force exerted. Thereby, the pipe supply unit 20 collects the steam dispersion pipe 7 from the soil by the winding force of the winding drum 21 as the traveling body travels.

The groove filling portion 30 is formed by supporting the earthing plate 31 at the rear end of the supply section frame 22 of the pipe supply section 20. The earth approaching plate 31 is pulled by the traveling machine body, so that the soil left by the groove excavation unit 10 on the lateral outer side of the groove 6 is brought down to the inside of the groove 6 behind the pipe supply unit 20 and dropped. As a result, the groove filling unit 30 fills the groove 6 after the pipe supply unit 20 supplies the steam dispersion pipe 7 and embeds the steam dispersion pipe 7 in the soil as the traveling body travels.

Next, a steam soil disinfection method for disinfecting soil with steam will be described.

As shown in FIG. 2, the pipe burying machine is run along the ridge 8 from one end to the other end of the cultivation area, and the groove digging section 10, the pipe supply section 20, and the groove filling section of the pipe burying machine are filled. The steam distribution pipe 7 is buried in the ridge 8 at a depth of about 50 cm by the action of the part 30. When the steam scatter pipe 7 is buried to the end of the ridge 8, the pipe burying machine is turned and the steam scatter pipe 7 is moved along the ridge 8 adjacent to the ridge 8 in which the steam scatter pipe 7 is buried earlier in a direction opposite to the traveling direction. The steam scatter pipe 7 is buried in the ridges 8 while running. In this way, the pipe burying machine is reciprocated to bury the steam distribution pipes 7 in all the ridges 8 to be disinfected. When the winding drum 21 is emptied by consuming all of the steam scatter pipe 7 of the winding drum 21 during the embedding work, the emptied winding drum 21 is removed from the pipe supply unit 20, and the steam scatter pipe 7 is removed.
The new take-up drum 21 accommodating the steam take-up drum 21 is replaced with an empty take-up drum 21 and attached to the tube supply section 20. At the same time, the end of the steam dispersion pipe 7 drawn out of the new take-up drum 21 is ridged 8 After connecting to the end of the steam distribution pipe 7 already buried, the burying work is restarted.

When the steam scatter pipes 7 have been buried in all the ridges 8 to be disinfected, as shown in FIG. Close so that it does not leak. The other end is connected to a boiler device 42 by a steam supply hose 41 and this boiler device 4
By supplying the high-pressure disinfecting steam of 2 to 100 to 120 ° C. to the steam scatter tube 7, the steam scatter tube 7 is stopped as shown in FIGS.
The steam is discharged into the soil from the discharge holes 7a arranged in the longitudinal direction and the circumferential direction of the soil, and the soil is heated by the steam. At this time, a plug means such as covering the soil is applied to the spraying pipe portion 7b which is bent in a U-shape between two adjacent ridges 8. Then, it becomes difficult for the steam to leak out from the steam discharge holes 7a present in the spray tube portion 7b, and the steam easily reaches the steam spray tube 7 in the ridge. Furthermore, at this time, ridge 8
When the top is covered with a heat insulating sheet made of resin or the like, it is difficult for heat to escape from the soil surface, and heating can be performed efficiently.

When the temperature of the soil rises to a predetermined sterilization temperature, the supply of steam to the steam spray pipe 7 is stopped, and the release of steam from the steam spray pipe 7 is stopped. When the disinfection is completed after a lapse of a predetermined time from the temperature increase, the pipe burying machine is moved along the ridges 8 in the pipe collection work state as shown in FIG. That is, the groove excavation unit 10 is set to a work state in which the groove 9 having a depth up to the bottom reaches the steam distribution tube 7 is formed above the steam distribution tube 7, and the tube supply unit 20 is wound around the winding drum 21.
Is driven in a recovery state driven by the drum motor 23. In other words, the work equipment for burying pipes is used as a pipe collection machine, and the steam distribution pipes 7 are taken out from the soil of each ridge 8 and collected.

[Other Embodiment] If a flexible scatter tube is used as the steam scatter tube 7 as in the above-described embodiment, the burying and collection thereof can be performed easily by using the winding drum 21, which is advantageous. However, in order to carry out the invention according to the first aspect, it is necessary to form a plurality of straight pipe sections having no flexibility and to connect the ends of the pipe sections with each other in a direction perpendicular to the axis of the pipe section. The present invention may be implemented by adopting a bendable and stretchable tube including a joint connected so as to rotate relatively around the core. In this case, too, the steam spray pipe can be continuously laid out by digging into the excavation trench, or it can be continuously pulled up from the soil and collected.
The object of the present invention can be achieved.

The invention according to claims 1 to 4 is also applicable to those in which a spray pipe for supplying various fluids such as liquid fertilizer into the soil is buried in the soil or recovered from the soil, in addition to the disinfecting steam. it can. Therefore, the distribution pipes for steam, fertilizer, and the like are collectively referred to as a fluid distribution pipe 7.

[Brief description of the drawings]

FIG. 1 is a side view of an entire pipe burying machine in a buried state.

FIG. 2 is an explanatory view of a steam soil disinfection method.

FIG. 3 is an explanatory diagram of a steam soil disinfection method.

FIG. 4 is a side view of the pipe burying machine in a pipe collection state.

FIG. 5 is a side view of a steam distribution tube.

FIG. 6 is a sectional view of a steam distribution tube.

[Explanation of symbols]

 Reference Signs List 6 groove 7 fluid spray pipe 10 groove excavation section 20 pipe supply section 21 winding drum 30 groove filling section

Claims (5)

[Claims] 1. A groove excavation part that forms a groove in the ground as the traveling body travels, a pipe supply part that feeds out and supplies a fluid dispersion pipe to the groove formed by the groove excavation part, and a pipe supply part. And a groove filling portion for filling a groove after supplying the fluid dispersion tube to the traveling body. 2. The pipe burying machine according to claim 1, wherein the fluid spray tube is a flexible spray tube. 3. The pipe burying machine according to claim 2, wherein the pipe supply unit is configured such that the fluid dispersion pipe is unwound from a winding drum. 4. The pipe burying machine according to claim 3, wherein the winding drum is configured to be driven to a winding side of the fluid dispersion tube. 5. The spraying pipe according to claim 1, wherein said fluid spraying pipe is a spraying pipe for discharging a disinfecting vapor to soil.
Pipe burying machine according to the paragraph.