JPH06241350A - Pipe feeding device and pipe line burying method using it - Google Patents

Abstract

PURPOSE:To secure safe, easy and less-contaminated work, and also shorten work period and reduce work cost by providing a pipe feeding device suitable for feeding a pipe and loading the pipe feeding device with a work for laying out pipes in a ditch. CONSTITUTION:A pipe feeding device comprises at least a pair of endless belts 2 for transporting pipes P while holding them, belt pulleys 3 for holding these, endless belts 2 rotatably, and a drive means for driving at least one of these belt pulleys 3 in its rotation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is for delivering and transporting pipes (hereinafter collectively referred to as "delivery").
The present invention relates to a pipe feeding device which is convenient for use and a pipe line burying method for laying a pipe in a groove using the pipe feeding device.

[0002]

2. Description of the Related Art Conventionally, when a pipe is buried in the ground,
First, after excavating the groove with a construction machine or the like (for example, a backhoe), a pipe was laid manually in the groove. For this reason, many people work in the groove to lay the pipe, but as shown in FIG.
The upset 42 and the burrs 43 are used to prevent the soil from collapsing and to dig a wide groove to facilitate the work such as transporting and connecting the pipe P.

[0003]

However, in the above-mentioned conventional pipe burying method, since the worker must carry out the work such as transporting and connecting the pipe P in the groove, the soil pile sheet 41 or the like is provided. Even if you work for safety or make a wide groove easy to work, it is a dangerous work, and it is a troublesome work, and the problem that clothes etc. get dirty quickly is also a problem. there were.
Further, since the wide groove is dug, there is a drawback that the construction cost for excavation, carrying out and transporting earth and sand, and backfilling is high. For this reason, there is a problem in that it is difficult to shorten the construction period and the construction cost is high although the construction work must be completed within a limited time such as at night due to road construction.

The present invention has been made in order to solve the above-mentioned problems, and an object thereof is to provide a pipe feeding device which is convenient for feeding a pipe, and at the same time, the work of laying the pipe in the groove can be performed by the pipe feeding device. The purpose of the present invention is to provide a pipeline burying method that allows the work to be performed safely, easily, and with little dirt, and also to shorten the construction period and reduce the construction cost by loading the equipment.

[0005]

In order to achieve the above object, the present invention according to claim 1 holds at least a pair of endless belts for conveying while holding a pipe, and rotatably holding each of these endless belts. The present invention provides a pipe feeding device including a belt wheel and a drive unit that rotationally drives at least one of the belt wheels.

According to a second aspect of the present invention, there is provided a pipe burying method using the pipe feeding device according to the first aspect, wherein a groove for laying a pipe is excavated, and the pipe feeding device is installed on the surface of the earth. The present invention provides a method for burying a pipe, which comprises feeding a pipe into the groove.

Further, the invention according to claim 3 is the same as claim 1
A pipeline burying method using the described pipe feeding device,
A method for burying a pipe is provided, in which a groove for laying a pipe is excavated, the pipe feeding device is installed in a part of the groove, and the pipe is fed into the groove from the pipe feeding device. is there.

[0008]

In the pipe feeding device according to the first aspect of the present invention constructed as described above, since the pipe is held by the endless belt, the pipe can be fed with a large force and the pipe is stabilized in a fixed direction. Can be paid out.

Further, in the pipeline burying method according to the second aspect of the present invention, the pipes are connected at a certain place on the ground, and then the pipes are fed out from the pipe feeding device into the excavation ditch. Pipe transportation and pipe connection work can be omitted. Therefore, the work is safe, easy, and easy, and the stains on work clothes are extremely reduced. Moreover, since it is not necessary for the worker to carry out the work of transporting or connecting the pipe in the groove, it is not necessary to make the width of the groove wide to facilitate the work. It can be about 2/3. For this reason,
The time required for excavation can be shortened and
It is possible to reduce the time and cost for carrying out, transporting, and backfilling the earth and sand, and it is possible to quickly open a road that has been closed due to burying pipes.

Further, in the pipe burying method according to the third aspect, since the pipe is fed into the groove from the pipe feeding device installed in a part of the groove, the pipe can be fed straight into the premises. it can. Therefore, the pipe can be installed in the groove without difficulty. Further, the pipe connection and the feeding work are performed at the installation place of the pipe feeding device, but by providing the installation place widely in the groove, the work can be performed safely and easily. In addition, the same operation as that of the second aspect is achieved.

[0011]

Embodiments of the present invention will be described below with reference to FIGS. In these figures, FIGS. 1 to 6 show an embodiment of a pipe feeding device, FIGS. 7 to 16 show a first embodiment of a pipeline burying method using the pipe feeding device, and FIGS.
Shows a second embodiment of a pipeline burying method using a pipe feeding device.

First, an embodiment of the pipe feeding device will be described with reference to FIGS.

In FIGS. 1 to 4, reference numeral 1 denotes a bed constituting the main body of the pipe feeding device 100, and an endless belt 2 and a belt wheel 3 are provided on the upper surface of the bed 1.
The endless belt 2 is wound around three belt wheels 3 arranged in a straight line, and two endless belts 2 are provided so that their transport surfaces 2a face each other. As shown in FIG. 5, the endless belt 2 is made of an elastic material such as rubber and has a large thickness.
A plurality of slits 2b (see FIG. 3) are formed on the transport surface 2a to improve flexibility. Further, the transport surface 2a is formed in a concave shape to facilitate holding of the pipe P.

As shown in FIGS. 3 and 4, the belt wheel 3 has a drive wheel 3a at a position where the pipes P are fed in and facing each other. Each drive vehicle 3 a is adapted to be driven by the drive means 4. Drive means 4
Is a first drive shaft 5 for driving a drive wheel 3a, a first bevel gear 6 provided at one end of the drive shaft 5, and a first drive shaft 5
The second bevel gear 7 that meshes with the bevel gear 6 of FIG. 1, the second drive shaft 8 provided with the second bevel gear 7 at the left and right ends, and the central portion of the second drive shaft 8 A spur gear 9a, a spur gear 9b that meshes with the spur gear 9a, and an electric motor 10 that drives the spur gear 9b. Further, the second bevel gears 7, 7 are movable in the axial direction along splines or the like formed at both ends of the second drive shaft 8,
By tightening the nut 11, the positions of the first drive shaft 5 and the first bevel gear 6 are adjusted, and the left and right endless belts 2
The interval can be set freely.

As shown in FIGS. 1 to 3, the bed 1 has a feeding side support roller 12 and a feeding side roller 13 for supporting the pipe P on the feeding side and the feeding side, respectively. Is provided in the lower part of the bed 1, and a hook insertion hole 1a for fixing to the ground or the like is formed.

The pipe feeding device 1 constructed as described above.
In 00, the pipe P is fed by the left and right endless belts 2, while the pipe P is supported by the feeding-side support roller 12 and the feeding-side support roller 13. Then, since the pipe P is fed while being gripped by the left and right endless belts 2, a large feeding force can be applied to the pipe P. For this reason, it is possible to easily pay out a long pipe P or a pipe P that has been lengthened by adding it in the middle.

Furthermore, since the distance between the left and right endless belts 2 can be adjusted to the thickness of the pipe P by moving the second bevel gear 7, a large feeding force is given to the pipes P having different thicknesses. It is possible to feed two pipes P at the same time as shown in FIG. 3, four pipes P at the same time as shown in FIG. 6, and a plurality of other pipes at the same time. it can.

Next, a first embodiment of a pipeline burying method using the pipe feeding device 100 will be described with reference to FIGS. 7 to 16.

First, as shown in FIGS. 7 to 11, the groove 21 in which the pipe P is to be buried is excavated by using a construction machine (backhoe) E, and at the same time along the inner wall of the groove 21, earth retaining sheet piles are provided. Type in 22. And the Dome sheet pile 22
The abdomen 23 is attached to, and the abdomen 23 is stretched tightly by the cutout 24. These dome sheet piles 22, upset 2
3 and the burrs 24 prevent the collapse of sediment. However, in the case of gravel that is likely to collapse, crushing of the gravel is prevented in advance by, for example, hammering the retaining sheet pile 22 closely. Then, a feed roller 25 for feeding the pipe P is provided on the ground surface or the bottom surface 21a of the groove 21.

As shown in FIGS. 12 to 16, the feed roller 25 supports the roller 28 by a long fixed plate 26 arranged on the left and right and a removable plate 27.
The fixing plate 26 is configured to be fixed with a nut in a state where one end of the roller 28 is inserted into the through hole, and the detachable plate 27 is configured such that the other end of the roller 28 is inserted into the slit 27a and the nut 29 is used. It is designed to be fixed. That is,
With respect to the removable plate 27, the roller 28 can be easily removed from the slit 27a only by loosening the nut 29. The feed roller 25 is a fixed plate 26.
By pushing the lower part of the removable plate 27 into the ground and fixing the upper part of the removable plate 27 to the sheet pile or the like with a chain or the like, it is installed on the ground surface or the bottom surface 21a of the groove 21.

Then, as the excavation of the groove 21 progresses, the earth retaining sheet pile 22, the uprising 23, the burrs 24, and the feed roller 25 are sequentially installed.

Further, before and after the start of excavation, the trench 2
At the excavation start position of 1, that is, the ground surface, the pipe feeding device 10
0 is set. Then, to the length that allows the pipe P to be paid out, the earth retaining sheet pile 22, the uprising 23, and the cut beam 2
4. When the feed roller 25 is installed, the pipe feeding device 1
Pipe P is fed from 00. In this embodiment, two pipes P are simultaneously fed out. The pipe P is an example using a vinyl pipe or a steel pipe (for example, an outer diameter of 100 mm and a length of 5.5 m), and is connected via a bendable joint (not shown). It is like this. The pipe P is connected when the rear end of the pipe P approaches the feeding-side support roller 12 (see FIG. 1). Therefore, although not shown in the drawing, the feed roller 25 for holding the pipe P is also installed on the feeding-side support roller 12 side.

After the pipe P is fed into the groove 21 having the predetermined length as described above, the feed roller 25 in the groove 21 is removed. At this time, by loosening the nut 29 and removing the other end of the roller 28 from the removable plate 27, the feed roller 25 below the pipe P can be easily removed. Then, after removing the feed roller 25,
4, the abdomen 23, and the dome sheet pile 22 are sequentially removed, and the groove 21
The earth and sand are backfilled inside, the surface is paved, and the burying work of the pipe P on the road is completed.

According to the method of burying a pipe constructed as described above, a laborious work such as connecting the pipe P can be performed on the ground, and it is not necessary to manually carry the pipe P into the groove 21. Therefore, the burying work of the pipe P is extremely safe, easy and easy. Moreover, soiling or the like makes it extremely unlikely that the clothes will be soiled.

Further, since the work to be carried out in the groove 21 is only a simple work for removing the feed roller 25,
Even if workability is taken into consideration, it is not necessary to make the width of the groove 21 wider than in the conventional case.
It can be about 2 to 2/3. Therefore, the groove 21
The time required for excavation can be shortened, and the time and cost for carrying out, transporting, and backfilling earth and sand can be reduced. Then, for example, it is possible to open a closed road early, or to complete long-term burial work that was impossible in the past overnight.

Next, a second embodiment of the pipeline burying method using the pipe feeding device 100 will be described with reference to FIGS. However, the same components as those in the first embodiment shown in FIGS. 7 to 16 are designated by the same reference numerals and the description thereof will be omitted.

The first embodiment is different from the second embodiment in that the installation portion 31 of the pipe feeding device 100 is formed in a part of the groove 21. That is, the installation portion 31 is formed wider than the groove 21, and the pipe feeding device 1
The connection work of the pipe P at 00 is extremely easy to perform. In addition, the bottom surface 31 a of the installation portion 31 is flush with the bottom surface 21 a of the groove 21.

In the pipeline burying method constructed as described above, from the pipe feeding device 100 to each feed roller 25,
The pipe P comes straight out. That is, compared with the case where the pipe P is paid out from the ground into the groove 21, there is an advantage that the load on the joint connecting the pipe P can be reduced and a joint that cannot be bent can be used. . In addition, the same operational effects as the second embodiment are obtained.

In the pipe feeding device of the above embodiment, each endless belt 2 is driven by each driving wheel 3a, but only one endless belt 2 is driven by the driving wheel 3a. The other endless belt 2 may be configured to rotate as the pipe P moves. In the second embodiment of the pipe burying method, the bottom surface 31a of the installation portion 31 is flush with the bottom surface 21a of the groove 21, but the pipe P is installed to the feed roller 25 side horizontally. The bottom surface 31a of the portion 31 may be lower or higher than the bottom surface 21a of the groove 21.

[0030]

According to the first aspect of the present invention, since the pipe is held by the endless belt, the pipe can be delivered with a large force, and the pipe can be stably delivered in a fixed direction. .

According to the second aspect of the present invention, since the pipes can be connected on the ground and the pipes can be fed into the groove by the pipe feeding device, an operator can transport the pipes into the groove, There is no need to connect pipes in the groove. Therefore, the work is safe, easy, and easy, and the stains on work clothes are extremely reduced.
Further, since it is not necessary to make the width of the groove wide in order to facilitate the work, the width of the groove can be set to about 1/2 to 2/3 of the conventional width. As a result, the time required for excavation can be shortened, and the time and cost for unloading, transporting, and backfilling earth and sand can be reduced, and the road closed due to pipe burial can be opened early. Can be made.

Further, according to the third aspect of the present invention, since the pipe is fed into the groove from the pipe feeding device installed in a part of the groove, the pipe can be fed straight into the premises. Therefore, the pipe can be installed in the groove without difficulty. Also, in a part of the groove where the pipe feeding device is installed, the pipe connection and feeding work will be performed, but by making a part of this groove wide,
Work can be performed safely, easily and easily, and dirt on work clothes can be reduced. In addition, the same effect as that of the second aspect is obtained.

[Brief description of drawings]

FIG. 1 is a perspective view of a pipe feeding device shown as an embodiment of the present invention.

FIG. 2 is a plan view of the pipe feeding device.

FIG. 3 is a side view of the pipe feeding device.

FIG. 4 is a sectional view of a main part of the pipe feeding device.

FIG. 5 is a sectional view of a short belt of the pipe feeding device.

FIG. 6 is an explanatory view for explaining the number of pipes to be fed out of the pipe feeding device.

FIG. 7 is a perspective view of the pipeline burying method shown as the first embodiment of the present invention.

FIG. 8 is a plan view of the pipeline burying method.

FIG. 9 is a side sectional view of the conduit burying method.

FIG. 10 is a cross-sectional view of a groove in the conduit burying method.

FIG. 11 is an explanatory diagram illustrating a method of excavating a groove in the pipeline burying method.

FIG. 12 is a front view of a feed roller used in the pipeline burying method.

FIG. 13 is a side view showing a fixing plate of the feeding roller.

FIG. 14 is a side view showing a detachable plate of the feed roller.

FIG. 15 is a side view of a main part of the removable plate.

FIG. 16 is a front view of a main part of the removable plate.

FIG. 17 is a perspective view of a pipeline burying method shown as a second embodiment of the present invention.

FIG. 18 is a plan view of the pipeline burying method.

FIG. 19 is a side sectional view of the conduit burying method.

FIG. 20 is a sectional view of a groove in a pipeline burying method shown as a conventional example.

[Explanation of symbols]

 2 Endless belt 3 Belt wheel 4 Driving means 21 Groove 100 Pipe feeding device

Claims (3)

[Claims] 1. At least a pair of endless belts for transporting while holding a pipe, a belt wheel for rotatably holding each of these endless belts, and a drive means for rotationally driving at least one of the belt wheels. A pipe feeding device characterized by being provided. 2. A pipeline burying method using the pipe feeding device according to claim 1, wherein a groove for laying a pipe is excavated,
A pipe burying method, wherein a pipe is fed into the groove from the pipe feeding device installed on the surface of the earth. 3. A pipe burying method using the pipe feeding device according to claim 1, wherein a groove for laying a pipe is excavated, and the pipe feeding device is installed in a part of the groove. A pipe burying method characterized in that a pipe is fed from the feeding device into the groove.