CN212745307U

CN212745307U - Pipeline laying device

Info

Publication number: CN212745307U
Application number: CN202021975813.XU
Authority: CN
Inventors: 罗昌斌
Original assignee: Guangdong Smart Bi Pipe Technology Co ltd
Current assignee: Guangdong Smart Bi Pipe Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-03-19
Anticipated expiration: 2030-09-10

Abstract

The invention discloses a pipeline laying device, which comprises a back-expanding head used for connecting a traction device, wherein the back side of the back-expanding head is connected with a connecting rod, the back side of the back-expanding head is provided with a pipe adapter used for connecting a pipe, the pipe adapter is sleeved on the connecting rod and can slide back and forth on the connecting rod, the back side of the pipe adapter is provided with a fixing plate capable of pressing the pipe to the pipe adapter so as to clamp and fix the pipe, the back side of the pipe adapter is provided with a top plate, and the top plate abuts against the back part of the pipe adapter when the connecting rod moves forwards.

Description

Pipeline laying device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a building field, concretely relates to pipeline laying device.

[ background of the invention ]

As shown in fig. 1, in the trenchless underground pipe laying construction, a first working well 6 and a second working well 7 are respectively excavated on the ground at two ends of a specified route, a traction device 3 is arranged near the first working well 6, a pipe laying device 1 is arranged in the second working well 7, the tail part of the pipe laying device 1 is used for fixing a pipe 5, the pipe laying device 1 is pulled by the traction device 3 through a pull rod 4 to reach the first working well 6 along the set route, meanwhile, a plurality of pipes 5 are successively arranged at the tail part of the pipe laying device 1 in the second working well 7, and the pipes 5 are just laid on the specified route when the pipe laying device 1 is pulled into the first working well 6.

A section of matching section which is mutually sleeved is arranged between every two adjacent pipes 5, when one pipe 5 is installed, a jacking device is needed to press the pipe 5 which is installed later to the pipe 5 which is installed earlier so that the pipe 5 and the pipe 5 are mutually sleeved, then the pipe 5 is fixed, then the pipeline laying device provided with the pipe 5 is pulled forwards through the traction device 3 until all the pipes 5 are pulled into the channel 2 to be repaired, and finally the steps are sequentially repeated until the whole channel 2 to be repaired is laid. The traditional construction method needs to arrange a jacking device capable of jacking the pipe 5, fixedly install the jacking device, and remove the jacking device after the construction is finished, so that the whole construction process has multiple steps, low construction efficiency, large occupied space and large workload of constructors.

[ Utility model ] content

The utility model discloses the purpose is overcome prior art not enough, provides a pipe laying device, uses this kind of pipe laying device to make whole work progress step succinct, improve the efficiency of construction, and occupation space is little, and constructor work load is little.

The utility model discloses a realize through following technical scheme:

the utility model provides a pipeline laying device, expands the head including returning that is used for connecting the tractive device, the return expand the head rear side and be connected with the connecting rod, expand the head rear side and be provided with the tubular product linker that is used for connecting tubular product returning, tubular product linker cover establish on the connecting rod and can slide around on the connecting rod, tubular product linker rear side be provided with and press tubular product to tubular product linker and with the fixed plate of tubular product centre gripping fixed, be provided with the roof on the connecting rod and at tubular product linker rear side, the roof supports by tubular product linker rear portion when the connecting rod moves forward.

According to the pipe laying device, the pipe adapter is rotatably connected to the connecting rod, and the top plate is rotatably connected to the connecting rod.

In the pipe laying device, the pipe adaptor is provided with the abutting part which protrudes to the rear side and abuts against the top plate when the top plate moves forwards.

According to the pipeline laying device, the bearing is arranged in the middle of the top plate, the bearing outer ring is connected with the top plate, and the bearing inner ring is connected with the connecting rod in an interference fit manner.

In the pipe-laying apparatus, the bearing is a thrust bearing.

According to the pipeline laying device, the pipe adapter is provided with the slurry inlet communicated with the inner cavity of the pipe, the fixing plate is provided with the slurry discharge port communicated with the inner cavity of the pipe, and the connecting rod and the spiral blade are arranged between the pipe adapter and the fixing plate.

In the pipe-laying apparatus, the connecting rod 14 is formed by splicing a plurality of connecting rod units 141 end to end.

A gap L1 is left between the back expansion head and the pipe adaptor, and the gap L1 is larger than or equal to the length L2 of the two pipe socket parts

Compared with the prior art, the utility model discloses there is following advantage:

1. when the pipeline laying device of the utility model is used, the back expanding head, the pipe connector, the fixed plate and the first section of pipe are firstly drawn into the soil body, then the fixed plate is disassembled and the pull rod is reversely pushed by the drawing device, the pull rod pushes the back expanding head and the connecting rod moves backwards, because the pipe connector is glidingly sleeved on the connecting rod, the pipe connector and the pipe at the rear side do not move, the fixed plate is disassembled, then the second section of pipe is installed and the fixed plate is installed at the rear side of the second section of pipe, then the drawing device pulls the back expanding head and simultaneously pulls the connecting rod to move forwards, the connecting rod drives the fixed plate to move forwards, the fixed plate pushes the pipe installed later to press against the pipe installed earlier, thereby two pipe pressing sleeves are combined, no jacking device for pushing the pipe is needed to be additionally arranged, the construction efficiency is improved, the occupied space is small, the workload of the constructor is small.

2. Since the pulling device is usually driven by the pull rod to rotate and move the back-reaming head about the axis forward during the actual construction process, the tube engager is preferably rotatably connected to the connecting rod, and the top plate is rotatably connected to the connecting rod, so that the top plate can rotate relative to the connecting rod without affecting the axial movement of the connecting rod driving the top plate.

[ description of the drawings ]

FIG. 1 is a first schematic diagram of the construction process of the present invention;

fig. 2 is a front view of the tube of the present invention;

FIG. 3 is a second schematic diagram of the construction process of the present invention;

FIG. 4 is a third schematic view of the construction process of the present invention;

FIG. 5 is a fourth schematic view of the construction process of the present invention;

FIG. 6 is a cross-sectional view of the pipe laying apparatus of the present invention;

fig. 7 is a partial cross-sectional view of the pipe laying apparatus of the present invention.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 to 6, the specific construction process is as follows:

A. the back expansion head 11 is arranged in the second working well 7, the pulling device 3 pulls the back expansion head 11 to the soil body through the pull rod 4, and the back expansion head 11 is jacked in the soil body and excavates a channel so that the subsequent pipe 5 can enter.

B. The pipe adapter 12 is arranged at the rear side of the back expansion head 11 and is sleeved on the connecting rod 14 in a sliding manner.

C. The first pipe 51 is installed on the pipe adapter 12, the fixing plate 13 is arranged on the rear side of the first pipe 51, the fixing plate 13 and the pipe adapter 12 clamp and fix the first pipe 51, and as an implementation mode, the fixing plate 13 is installed and fixed on the connecting rod 14, so that the pipe 5 is compressed.

D. The pulling device 3 pulls the back-reaming head 11 and pulls the first tube length 51 into the soil mass.

E. The fixed plate 13 is disassembled, the pulling device 3 reversely pushes the pull rod 4, the pull rod 4 pushes the back expansion head 11 to move backwards, the back expansion head 11 drives the connecting rod 14 to move backwards, and the moving distance of the two is determined by a gap L1 between the pipe material connector 12 and the back expansion head 11.

F. A second joint member 52 is attached to the rear side of the first joint member 51, and the fixing plate 13 is disposed on the rear side of the second joint member 52.

G. The pulling device 3 pulls the back-reaming head 11 and tightly sleeves the first pipe section 51 and the second pipe section 52, and then the pulling device 3 pulls the back-reaming head 11, the first pipe section 51 and the second pipe section 52 into the soil body.

H. The steps of E-G are repeated until all the pipes 5 are drawn into the soil.

By using the construction method, two adjacent pipes 5 can be tightly pressed and sleeved without arranging the jacking equipment, so that the complex steps of installing and disassembling the jacking equipment and manually operating the jacking equipment are omitted, the construction efficiency is improved, the occupied space is small, and the workload of constructors is small.

As shown in fig. 6 and 7, the present invention provides a pipe laying device, which comprises a back-expanding head 11 for connecting a drawing device 3, wherein the back side of the back-expanding head 11 is connected with a connecting rod 14, the back side of the back-expanding head 11 is provided with a pipe adapter 12 for connecting a pipe 5, the pipe adapter 12 is sleeved on the connecting rod 14 and can slide back and forth on the connecting rod 14, the back side of the pipe adapter 12 is provided with a fixing plate 13 capable of pressing the pipe 5 towards the pipe adapter 12 to clamp and fix the pipe 5, the back side of the connecting rod 14 and the pipe adapter 12 is provided with a top plate 15, the top plate 15 abuts against the back part of the pipe adapter 12 when the connecting rod 14 moves forward, such pipe laying device can adopt the above construction method, because the pipe adapter 12 is slidably sleeved on the connecting rod 14, so that the connecting rod 14 can move backward relative to the pipe adapter 12, after the second length of tubing 5 is installed and the fixing plate 13 is reinstalled, the connecting rod 14 moves forward, and the connecting rod 14 moves forward to drive the top plate 15 to abut against the tubing adapter 12 and push the tubing adapter to move forward, so as to prevent pressure from being generated between the fixing plate 13 and the tubing adapter 12. When the pipeline laying device is used for installing the pipe, the steps are simple, the working time and the construction space are saved, and the construction efficiency is improved.

In more detail, a gap L1 may be left between the tubular adaptor 12 and the back-expansion head 11, or the back-expansion head 11 and the pull rod 4 may slide for a certain distance by a sliding connection structure. Preferably, the gap L1 between the tube adaptor 12 and the back-reaming head 11 is the same as the length L2 of the sleeved portion of two adjacent tubes 5, so that when the connecting rod 14 moves backwards until the back-reaming head 11 abuts against the tube adaptor 12, the connecting rod 14 moves by just the length L of the sleeved portion of two adjacent tubes 5, and only the fixing plate 13 needs to be mounted against the second tube 52, and after the second tube 52 and the first tube 51 are sleeved, the top plate 15 abuts against the back of the tube adaptor 12. If the gap L1 between the pipe adaptor 12 and the back-expansion head 11 is not consistent with the length L2 of the sleeved part of two adjacent pipes 5, the moving distance of the connecting rod 14 needs to be calculated to estimate the installation position of the fixing plate 13 in the construction process.

Preferably, as shown in fig. 6, the connecting rod 14 is formed by splicing a plurality of connecting rod units 141 end to end, so that the connecting rod units 141 can be installed in the second working well 7 in succession, and the operation in a limited space is facilitated.

Because the pulling device 3 usually drives the back-expanding head 11 to rotate around the axis and move forwards through the pull rod 4 in the actual construction process, as shown in fig. 6 and 7, as a preferred embodiment, the pipe adapter 12 is rotationally connected to the connecting rod 14, the top plate 15 is rotationally connected to the connecting rod 14, in more detail, the pipe adapter 12 is slidably sleeved on the connecting rod 14, the top plate 15 is connected with the connecting rod 14 in an interference fit manner through a bearing 151, and the bearing 151 is preferably a thrust bearing, so that the top plate 15 can rotate relative to the connecting rod 14, and the axial movement of the top plate 15 driven by the connecting rod 14 is not influenced.

Preferably, as shown in fig. 6 and 7, the pipe adaptor 12 is provided with a slurry inlet 121 communicated with an inner cavity 500 of the pipe 5, the fixing plate 13 is provided with a slurry outlet 131 communicated with the inner cavity 500 of the pipe 5, and the connecting rod 14 is provided with a helical blade 16 between the pipe adaptor 12 and the fixing plate 13, so that when the connecting rod 14 rotates, the helical blade 16 can be driven to rotate, and as long as the rotating direction is set, a part of soil mass in the inner cavity 500 of the pipe 5 can be effectively pushed backwards, and finally the soil mass is discharged from the slurry outlet 131.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A pipe laying apparatus characterized by: the pipe connecting device comprises a back-expanding head (11) used for connecting a traction device (3), wherein the back side of the back-expanding head (11) is connected with a connecting rod (14), a pipe connector (12) used for connecting a pipe (5) is arranged on the back side of the back-expanding head (11), the pipe connector (12) is sleeved on the connecting rod (14) and can slide back and forth on the connecting rod (14), a fixing plate (13) capable of pressing the pipe (5) to the pipe connector (12) to clamp the pipe (5) is arranged on the back side of the pipe connector (12), a top plate (15) is arranged on the connecting rod (14) and on the back side of the pipe connector (12), and the top plate (15) abuts against the back part of the pipe connector (12) when the connecting rod (14) moves forwards.

2. The pipe laying device according to claim 1, wherein: the pipe connector (12) is rotatably connected to the connecting rod (14), and the top plate (15) is rotatably connected to the connecting rod (14).

3. The pipe laying device according to claim 2, wherein: the middle part of the top plate (15) is provided with a bearing (151), the outer ring of the bearing (151) is connected with the top plate (15), and the inner ring of the bearing (151) is connected with the connecting rod (14) in an interference fit manner.

4. The pipe laying device according to claim 3, wherein: the bearing (151) is a thrust bearing.

5. The pipe laying device according to claim 1, wherein: a gap L1 is reserved between the back expansion head (11) and the pipe adaptor (12), and the gap L1 is larger than or equal to the length L2 of the sleeving parts of the two pipes (5).

6. The pipe laying device according to claim 2, wherein: the pipe adapter (12) is provided with a slurry inlet (121) communicated with an inner cavity (500) of the pipe (5), the fixing plate (13) is provided with a slurry discharge port (131) communicated with the inner cavity (500) of the pipe (5), and the connecting rod (14) is provided with a helical blade (16) between the pipe adapter (12) and the fixing plate (13).

7. The pipe laying device according to claim 1, wherein: the connecting rod (14) is formed by splicing a plurality of connecting rod monomers (141) end to end.

8. The pipe laying device according to claim 1, wherein: the pipe adaptor (12) is provided with an abutting part (122) which protrudes towards the rear side and abuts against the top plate (15) when the top plate (15) moves forwards.