CN112762231B

CN112762231B - Pipe jacking device and construction method thereof

Info

Publication number: CN112762231B
Application number: CN202110149619.9A
Authority: CN
Inventors: 胡晓勤; 闻栖; 杜鑫裕
Original assignee: Zhangjiagang Free Trade Zone Jinyuntong Municipal Construction Engineering Co ltd
Current assignee: Zhangjiagang Free Trade Zone Jinyuntong Municipal Construction Engineering Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2022-05-20
Anticipated expiration: 2041-02-03
Also published as: CN112762231A

Abstract

The application relates to the field of underground construction devices, in particular to a pipe jacking device and a construction method thereof, the pipe jacking device comprises a machine head and a pipe group which are arranged under the ground, one end of the pipe group is connected with the machine head, the pipe group consists of a plurality of pipe bodies, a jack is abutted on a port of the pipe group far away from the machine head, a plurality of first pipelines are connected in the pipe bodies, a first connecting piece is detachably connected between two adjacent first pipelines and is used for connecting two first pipelines, the end part, close to the machine head, of the first pipeline in the pipe body close to the machine head is connected with the machine head, the end part, far away from the machine head, of the first pipeline in the pipe body far away from the machine head is provided with a second connecting piece and a second pipeline, the second connecting piece is detachably connected with the first pipeline in the pipe body far away from the machine head, one end of the second pipeline is connected with the second connecting piece, and the end part, far away from the second connecting piece, of the second pipeline is connected with a control device, the first connecting piece and the second connecting piece are the same in structure, and the purpose of improving the construction efficiency of the pipe jacking device is achieved.

Description

Pipe jacking device and construction method thereof

Technical Field

The application relates to the field of underground construction devices, in particular to a pipe jacking device and a construction method thereof.

Background

In the municipal construction industry, the pipe jacking technology is a trenchless tunneling type first pipeline laying construction technology, and has the advantages of no influence on the surrounding environment or smaller influence, small pipe jacking construction site, low noise and capability of going deep into the underground operation.

Referring to fig. 1, the existing pipe jacking device comprises a machine head 2 and a pipe group installed below the ground 1, a vertical working well 11 and a receiving well 12 are dug on the ground 1, the machine head 2 and the pipe group are located in the ground between the working well 11 and the receiving well 12, the machine head 2 is used for smashing and discharging underground sludge, one end of the pipe group is abutted to the machine head 2, a port of the pipe group far away from the machine head 2 is located in the working well 11, the pipe group comprises a plurality of pipe bodies 3, the plurality of pipe bodies 3 are sequentially communicated along the length direction of the pipe group, the abutting joint is arranged on the port of the pipe group far away from the machine head 2 and used for jacking the pipe bodies 3 into the ground from the working well 11 to the direction close to the receiving well 12, the jacks 4 are arranged in the working well 11, a plurality of first pipelines 5 are installed in the pipe group, one end of the first pipeline 5 is connected with the machine head 2, and the end of the first pipeline 5 far away from the machine head 2 is connected with a control device. In order to ensure the normal construction of the pipe jacking device, some first pipelines 5 must be installed in the pipe group, such as a water injection pipe for wetting soil dug by the machine head 2, a mud discharge pipe for discharging mud out of the pipe jacking device, a cable, a ventilation pipe and the like, because the environment in the working well 11 is humid and has limited space, a control device for driving the first pipelines 5 to normally work is generally installed on the ground 1, such as a water tank, an electric box, a mud suction machine and the like, when an operator pushes a new pipe body 3 into the ground 1, the operator needs to first disconnect the control device on the ground 1 from the first pipeline 5 in the pipe group, then pass the first pipeline 5 through the new pipe body 3 to be pushed in, finally reconnect the first pipeline 5 with the control device on the ground 1, and control the jack 4 to push the end of the pipe body 3 far away from the machine head 2 towards the machine head 2, at this time, the machine head 2 will remove the sludge outside the end of the machine head 2 far away from the tube body 3, the tube body 3 will enter the ground 1 between the working well 11 and the receiving well 12, and then more tube bodies 3 can be pushed into the ground 1 between the working well 11 and the receiving well 12 until the tube group is communicated with the working well 11 and the receiving well 12.

Aiming at the related technologies, when an operator pushes a new pipe body 3 into the ground 1, the operator needs to repeatedly pass the first pipeline 5 through the new pipe body 3 in the working well 11 and move the first pipeline 5 to the ground 1 to be connected with the control device, the operation is troublesome and time-consuming, and the purpose of reducing the construction efficiency of the pipe jacking device is achieved.

Disclosure of Invention

In order to improve the construction efficiency of the pipe jacking device, the application provides the pipe jacking device and the construction method thereof.

The application provides a pipe jacking device and a construction method thereof, which adopt the following technical scheme:

a pipe jacking device comprises a machine head and a pipe group which are arranged under the ground, wherein a vertical working well and a receiving well are dug on the ground, the machine head and the pipe group are positioned in the ground between the working well and the receiving well, the machine head is used for smashing and discharging underground silt, one end of the pipe group is connected with the machine head, a port of the pipe group, which is far away from the machine head, is positioned in the working well, the pipe group comprises a plurality of pipe bodies, the plurality of pipe bodies are sequentially communicated along the length direction of the pipe group, a jack which is used for jacking the pipe bodies into the ground from the working well to the direction close to the receiving well is abutted against the port of the pipe group, the jack is arranged in the working well, the pipe body is internally connected with a plurality of first pipelines, a first connecting piece is detachably connected between two adjacent first pipelines, the first connecting piece is used for connecting two first pipelines, the end part, which is close to the machine head, in the pipe body close to the first pipeline is connected with the machine head, a second connecting piece and a second pipeline are arranged on the end part, which is far away from the machine head, in the first pipeline in the pipe body, the second connecting piece can be dismantled with the first pipeline of keeping away from the pipe body of aircraft nose and be connected, and second pipeline one end is connected with the second connecting piece, and the end connection that the second connecting piece was kept away from to the second pipeline has the controlling means who is used for controlling first pipeline and second pipeline work, and first connecting piece is the same with second connecting piece structure.

By adopting the technical scheme, in the using process, the machine head and one pipe body are jacked into the ground from the working well to the receiving well through the jack, then the second connecting piece is detached from the first pipeline, a new pipe body is placed between the jack and the pipe body jacked into the ground, at the moment, an operator connects the first pipeline of the new pipe body with the first pipeline of the pipe body jacked into the ground through the first connecting piece, connects the second pipeline with the first pipeline of the new pipe body through the second connecting piece, then controls the jack to jack the new pipe body from the end part of the pipe body far away from the machine head, the new pipe body can push the pipe body jacked into the ground and the machine head to continuously move towards the receiving well until the pipe group is communicated with the working well and the receiving well, and at the moment, a plurality of pipe bodies can form a pipe group; before pushing the pipe body into the underground, an operator does not need to penetrate the first pipeline through a new pipe body and move the first pipeline to the ground to be connected with the control device, the operation is convenient and time-saving, and the purpose of improving the construction efficiency of the pipe jacking device is achieved.

Optionally, the pipe box is connected in the pipe body, one side of the pipe box is opened, and the first pipeline is connected in the pipe box.

Through adopting above-mentioned technical scheme, because in push pipe device work progress, the first pipeline in the body has a plurality ofly, and a plurality of first pipelines all are placed in the pipe box, and the pipe box can reduce the space that first pipeline removed, consequently can reduce the pipeline and take place winding possibility, and when the first pipeline of adjacent body was connected this moment, can be relatively easy distinguish corresponding first pipeline, reached and made things convenient for adjacent first pipeline to connect the purpose.

Optionally, body inner wall fixedly connected with riser, riser are parallel with body length direction, and the riser is provided with two, and two risers distribute along perpendicular pipe box length direction, and the tip that the body inner wall was kept away from to the riser is buckled to the direction that two risers are close to each other, and pipe box butt is between two risers, and the one side of body inner wall is kept away from at the pipe box to the tip butt of buckling of riser.

Through adopting above-mentioned technical scheme, at the in-process that carries out the construction to the ejector pipe device, if the first pipeline in the pipe box has taken place damage or dislocation, can take out the pipe box from between two risers to change or adjust first pipeline, reached the purpose that conveniently overhauls first pipeline.

Optionally, the pipe box is close to the tip fixedly connected with fixed block of working well, be provided with spring and fixture block on the fixed block, the fixed block has been seted up flutedly with being close to on the lateral wall that one side of pipe box is adjacent, the fixture block passes through recess and fixed block sliding connection, the spring sets up in the recess, spring fixed connection is between fixture block and fixed block, the pipe box has been close to the tip of receiving the well and has been seted up the spread groove, the draw-in groove has been seted up to the spread groove inner wall, the fixed block is pegged graft in the pipe box is close to the tip of receiving the well through the spread groove, the fixture block passes through the draw-in groove joint in the tip that the pipe box is close to the receiving well.

By adopting the technical scheme, in the process of installing the pipe groups formed by the pipe bodies, the clamping block can be pressed into the connecting groove, the spring can be compressed at the moment, the fixing block can continuously slide into the connecting groove while the pipe bodies are continuously pushed towards the underground, until the clamping block is clamped in the end part, close to the receiving well, of the pipe box through the clamping groove, and finally the pipe boxes in each pipe body are connected together; after the pipe jacking device is installed, an operator can take out the machine head from the receiving well, and then the plurality of pipe boxes which are connected together are integrally taken out or pushed out along the length direction of the vertical plate without being detached one by one, so that the time is saved in the operation, and the purpose of further improving the construction efficiency of the pipe jacking device is achieved.

Optionally, the tip that the pipe box is close to the receiving well includes the connecting block and dismantles the seat, dismantles the seat and can dismantle the connection and be close to one side of receiving the well at the connecting block, and the draw-in groove is located the connecting block, and the fixture block butt is dismantling one side that the seat is close to the connecting block.

Through adopting above-mentioned technical scheme, taking out the back with the pipe box is whole from between the riser, can taking off the seat from the connecting seat with dismantling, then will follow the draw-in groove of connecting block and take out the fixture block, the pipe box can part one by one this moment, can carry out reuse to pipe box and first pipeline, has reached save material's purpose.

Optionally, one side of the fixture block, which is far away from the spring, is inclined from the receiving well to the working well and from the fixed block to the inside of the fixed block.

Through adopting above-mentioned technical scheme, at the in-process that pushes up the body to the underground, along with the body is removed to the direction of working well by receiving the well, the fixed block can be because the setting on fixture block inclined plane slowly compress spring automatically and get into the receiving tank, need not manually to press the fixture block this moment, can make things convenient for the operator to carry out the pipe connection to the purpose of making things convenient for the construction of operator's pipe jacking device has been reached.

Optionally, the length of the vertical plate is smaller than that of the pipe body, the vertical plate is provided with a plurality of groups, and the plurality of groups of vertical plates are distributed along the length direction of the pipe body.

Through adopting above-mentioned technical scheme, the in-process that shifts out a plurality of pipe boxes from between the riser again, the pipe box can move relative to the board, because the length of riser is less, consequently the area of riser and pipe box contact is less to make the frictional force between pipe box and the riser less, reached the operating personnel with the pipe box follow the more laborsaving purpose of shifting out between the riser.

Optionally, one side that the kink of riser is close to the pipe box rotates and is connected with the running roller, and the running roller is perpendicular with body length direction, and the running roller is close to one side and the pipe box butt of pipe box, and the running roller is provided with a plurality ofly, and a plurality of running rollers distribute along body length direction.

Through adopting above-mentioned technical scheme, at the in-process that shifts out the pipe box from between the riser, the pipe box can the butt on the running roller and the board removal of making an uproar mutually, and the pipe box can drive the running roller and take place to rotate this moment, can reduce the resistance that the riser removed to the pipe box after the running roller takes place to rotate, needs littleer power just can take out the pipe box from between the riser this moment, has reached the purpose that conveniently takes out the pipe box from between the riser.

Optionally, the tube box is located on the upper portion of the inner wall of the tube body.

Through adopting above-mentioned technical scheme, because the body buries underground, consequently the inside lower part of body has ponding, and the pipe box is placed and to be reduced the possibility of intaking in the pipe box on the upper portion of body inner wall to can reduce because steep the possibility that water and damage first pipeline, reach the purpose that reduces push pipe device damage.

A construction method of a pipe jacking device comprises the following steps:

s1, disconnecting the second connector from the first pipeline in the pipe body of the pipe group close to the working well;

s2, placing the pipe to be jacked into the ground between the jack and the pipe of the pipe group close to the working well;

s3, controlling the jack to jack the pipe body to be jacked into the ground from the working well to the receiving well;

s4, clamping the adjusting clamping block in the clamping groove;

and S5, connecting a first pipeline in the pipe body to be jacked into the ground with a first pipeline in the pipe body of the pipe group close to the working well through a first connecting piece, and connecting the first pipeline with a second pipeline through a second connecting piece.

Through adopting above-mentioned technical scheme, in the use, the fixture block joint back in the draw-in groove, two adjacent pipe boxes just can link together, can reduce this moment and drag the possibility of disconnected first connecting piece because two pipe box separation to make the possibility that first connecting piece and first pipeline damaged diminish, reached the purpose that reduces the damaged possibility of push pipe device.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the machine head, the pipe body, the first pipeline, the first connecting piece, the second connecting piece and the second pipeline, before the pipe body is jacked underground, an operator does not need to penetrate the first pipeline through a new pipe body and move the first pipeline to the ground to be connected with the control device, and the purpose of improving the construction efficiency of the pipe jacking device is achieved;

2. by arranging the fixing block, the spring and the clamping block, after the pipe jacking device is installed, an operator can integrally pull out or push out the plurality of pipe boxes which are connected together along the length direction of the vertical plate without detaching the pipe boxes one by one, so that the aim of further improving the construction efficiency of the pipe jacking device is fulfilled;

3. through with the fixture block joint in the draw-in groove, two adjacent pipe boxes just can link together to make the possibility that first connecting piece and first pipeline damaged diminish, reached the purpose that reduces the damaged possibility of push pipe device.

Drawings

FIG. 1 is a schematic structural diagram of a push bench device in the prior art;

FIG. 2 is a schematic structural diagram of a push bench according to an embodiment of the present application;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

fig. 4 is a partially enlarged view of a portion B of fig. 2;

FIG. 5 is a cross-sectional view of the push bench of the embodiment of the present application;

fig. 6 is a partially enlarged view of a portion C of fig. 5;

fig. 7 is a partially enlarged view of a portion D of fig. 5.

Description of reference numerals: 1. a ground surface; 11. a working well; 12. a receiving well; 2. a machine head; 3. a pipe body; 4. a jack; 5. a first pipeline; 51. a first water injection pipe; 52. a first sludge discharge pipe; 53. a first cable; 6. a first connecting member; 61. a first electrical connection; 62. a first quick coupling; 7. a second connecting member; 71. a second electrical connection; 72. a second quick coupling; 8. a second pipeline; 81. a second water injection pipe; 82. a second sludge discharge pipe; 83. a second cable; 9. a tube cassette; 91. connecting grooves; 92. connecting blocks; 93. disassembling the base; 931. an upper seat; 932. a lower seat; 933. a bolt; 94. a horizontal bar; 10. a vertical plate; 101. a roller; 13. a fixed block; 131. a spring; 132. a clamping block; 133. and (4) a groove.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses a pipe jacking device. Referring to fig. 2, the pipe jacking device is used for being installed below the ground 1, a vertical working well 11 and a receiving well 12 are dug on the ground 1, and the pipe jacking device is installed underground between the working well 11 and the receiving well 12; the pipe jacking device comprises a machine head 2 and a pipe group, wherein the machine head 2 and the pipe group are positioned in the underground between a working well 11 and a receiving well 12, the machine head 2 is used for smashing and discharging underground sludge, one end of the pipe group is connected with the machine head 2, and a port of the pipe group, which is far away from the machine head 2, is positioned in the working well 11; the nest of tubes includes a plurality of bodys 3, and a plurality of bodys 3 communicate in proper order along nest of tubes length direction, and the butt joint has on the port of nest of tubes keeping away from aircraft nose 2 to be used for pushing up body 3 from working well 11 to the direction that is close to receiving well 12 underground jack 4, and jack 4 sets up in working well 11. In the using process, an operator firstly jacks the machine head 2 into the ground from the working well 11 to the receiving well 12 through the jack 4, then the operator jacks the pipe bodies 3 into the ground one by one to form a pipe group, and finally the machine head 2 is taken out from the receiving well 12, so that the installation of the pipe jacking device is completed.

Referring to fig. 2 and 3, a plurality of first pipelines 5 are connected in the pipe body 3, each first pipeline 5 comprises a first water injection pipe 51, a first mud discharging pipe 52 and a first cable 53, the first water injection pipe 51 is used for wetting soil dug by the machine head 2, the first mud discharging pipe 52 is used for discharging mud out of the pipe jacking device, the first cable 53 is used for supplying power for the operation of the pipe jacking device, and the first water injection pipe 51, the first mud discharging pipe 52 and the first cable 53 are provided with a plurality of pipes; the first connecting piece 6 is detachably connected between the two adjacent first pipelines 5, the first connecting piece 6 comprises a first electric connecting piece 61 and a first quick connector 62, the first electric connecting piece 61 is used for connecting cables in the two adjacent pipe bodies 3, and the first quick connector 62 is used for connecting a mud discharging pipe in the two adjacent pipe bodies 3 and a water injection pipe in the two adjacent pipe bodies 3.

Referring to fig. 2 and 4, the end portion, close to the head 2, of the first pipeline 5 in the pipe body 3 close to the head 2 is connected with the head 2, the end portion, far away from the head 2, of the first pipeline 5 in the pipe body 3 far away from the head 2 is provided with a second connector 7 and a second pipeline 8, one end of the second pipeline 8 is connected with the second connector 7, the end portion, far away from the second connector 7, of the second pipeline 8 is connected with a control device for controlling the first pipeline 5 and the second pipeline 8 to work, the second pipeline 8 comprises a second water injection pipe 81, a second mud discharge pipe 82 and a second cable 83, the second connector 7 is identical to the first connector 6 in structure, the second connector 7 comprises a second electric connector 71 and a second quick connector 72, the second electric connector 71 is used for connecting the first cable 53 and the second cable 83 in the pipe body 3 far away from the head 2, the first quick connector 62 is used for connecting the first water injection pipe 51 and the second water injection pipe 81 in the pipe body 3 far away from the head 2 and connecting the pipe body 3 far away from the head 2 The mud pipe 52 is detachably connected with the second mud pipe 82 and the second connector 7 is detachably connected with the first pipeline 5 in the pipe body 3 far away from the machine head 2.

Referring to fig. 2 and 4, in use, the machine head 2 and one tubular body 3 are driven into the ground from the working well 11 to the receiving well 12 by the jack 4, then the second connector 7 is detached from the first pipeline 5, and a new tubular body 3 is placed between the jack 4 and the tubular body 3 driven into the ground, at which time the operator connects the first pipeline 5 of the new tubular body 3 to the first pipeline 5 of the tubular body 3 driven into the ground by the first connector 6, connects the second pipeline 8 to the first pipeline 5 of the new tubular body 3 by the second connector 7, then controls the jack 4 to drive the new tubular body 3 from the end of the tubular body 3 remote from the machine head 2, and the new tubular body 3 pushes the tubular body 3 driven into the ground with the machine head 2 to move continuously towards the receiving well 12 until the pipe set connects the working well 11 to the receiving well 12, at this time, a plurality of tube bodies 3 form a tube group; before pushing the pipe body 3 into the ground, an operator does not need to penetrate the first pipeline 5 through the new pipe body 3 and move the first pipeline 5 to the ground 1 to be connected with the control device, the operation is convenient and time-saving, and the aim of improving the construction efficiency of the pipe jacking device is fulfilled.

Referring to fig. 5 and 6, a tube box 9 is connected in the tube body 3, one side of the tube box 9 is open, the first pipeline 5 is connected in the tube box 9, a cross bar 94 is arranged below the first pipeline 5, two ends of the cross bar 94 are fixedly connected to the tube box 9, the cross bar 94 is provided with a plurality of cross bars 94, and the plurality of cross bars 94 are distributed along the length direction of the tube body 3. Because in the pipe jacking device work progress, first pipeline 5 in the body 3 has a plurality ofly, and a plurality of first pipeline 5 all place in pipe box 9, and pipe box 9 can reduce the space that first pipeline 5 removed, consequently can reduce the pipeline and take place winding possibility, and when the first pipeline 5 of adjacent body 3 was connected this moment, can be relatively easy distinguish corresponding first pipeline 5, reached and made things convenient for adjacent first pipeline 5 to connect the purpose.

Referring to fig. 2, pipe box 9 is located the upper portion of body 3 inner wall, and pipe box 9 downside opening because body 3 buries underground, so the inside lower part of body 3 has ponding, and pipe box 9 is placed and can be reduced the possibility of intaking in pipe box 9 on the upper portion of body 3 inner wall to can reduce the possibility of damaging first pipeline 5 owing to steeping water, reach the purpose that reduces push pipe device damage.

Referring to fig. 2 and 3, 3 inner wall fixedly connected with risers 10 of body, the vertical setting of riser 10, riser 10 is parallel with 3 length direction of body, riser 10 is provided with two, 9 length direction distributions along perpendicular pipe box are followed to two risers 10, the tip that 3 inner walls of body were kept away from to riser 10 is buckled to the level to the direction that two risers 10 are close to each other, 9 butt of pipe box is between two risers 10, the tip butt of buckling of riser 10 is in the one side that 3 inner walls of body were kept away from to pipe box 9. In the process of carrying out the construction to the ejector pipe device, if first pipeline 5 in the pipe box 9 has taken place damage or dislocation, can take out pipe box 9 from between two risers 10 to change or adjust first pipeline 5, reached the purpose that conveniently overhauls first pipeline 5.

Referring to fig. 5 and 7, the end portion of the tube box 9 close to the working well 11 is fixedly connected with a fixing block 13, the fixing block 13 is provided with a spring 131 and a fixture block 132, the fixing block 13 and the side wall adjacent to one side close to the tube box 9 are provided with a groove 133, the fixture block 132 is slidably connected with the fixing block 13 through the groove 133, the spring 131 is disposed in the groove 133, the spring 131 is fixedly connected between the fixture block 132 and the fixing block 13, the fixture block 132 can slide to the extent that the fixture block 132 is completely located in the fixing block 13, the end portion of the tube box 9 close to the receiving well 12 is provided with a connecting groove 91, the inner wall of the connecting groove 91 is provided with a clamping groove, the fixing block 13 is inserted into the end portion of the tube box 9 close to the receiving well 12 through the connecting groove 91, and the fixture block 132 is inserted into the end portion of the tube box 9 close to the receiving well 12 through the clamping groove. In the process of installing the pipe group formed by the pipe bodies 3, the clamping block 132 can be pressed into the connecting groove 91, at the moment, the spring 131 is compressed, the fixing block 13 can continuously slide into the connecting groove 91 while the pipe bodies 3 are continuously pushed towards the underground, until the clamping block 132 is clamped in the end part, close to the receiving well 12, of the pipe box 9 through the clamping groove, and finally the pipe boxes 9 in each pipe body 3 are connected together; after the pipe jacking device is installed, an operator can take out the machine head 2 from the receiving well 12, and then integrally takes out or pushes out the connected pipe boxes 9 along the length direction of the vertical plate 10 without independently detaching one by one, so that the time is saved in operation, and the purpose of further improving the construction efficiency of the pipe jacking device is achieved.

The tip that the cartridge 9 is close to receiving well 12 includes connecting block 92 and dismantlement seat 93, dismantles seat 93 and can dismantle the connection in one side that connecting block 92 is close to receiving well 12, and the draw-in groove is located connecting block 92, and fixture block 132 butt is dismantling one side that seat 93 is close to connecting block 92, dismantles seat 93 and includes upper seat 931, lower seat 932 and bolt 933, upper seat 931, connecting seat and lower seat 932 all with bolt 933 threaded connection. After taking out the whole back of following between riser 10 with cartridge 9, can demolish bolt 933, can take off from the connecting seat with dismantling seat 93 this moment, then will take out fixture block 132 in can following the draw-in groove of connecting block 92, cartridge 9 can part one by one this moment, can carry out reuse to cartridge 9 and first pipeline 5, has reached material saving's purpose.

Referring to fig. 5 and 7, one side of the latch 132 away from the spring 131 is inclined from the receiving well 12 to the working well 11 and from the outside of the fixing block 13 to the inside of the fixing block 13, and the end of the side of the latch 132 away from the spring 131 close to the working well 11 is flush with one side of the fixing block 13 close to the latch 132. In the process of pushing the pipe body 3 into the underground, along with the pipe body 3 is moved towards the working well 11 from the receiving well 12, the fixing block 13 can automatically slowly compress the spring 131 and enter the receiving groove due to the arrangement of the inclined surface of the clamping block 132, the clamping block 132 does not need to be manually pressed at the moment, the pipeline connection can be conveniently carried out by an operator, and therefore the purpose of facilitating the construction of the pipe jacking device of the operator is achieved.

Referring to fig. 6, the length of the vertical plate 10 is smaller than that of the tube body 3, the vertical plate 10 is provided with a plurality of groups, and the plurality of groups of vertical plates 10 are distributed along the length direction of the tube body 3. In the process of moving the multiple tube boxes 9 out of the vertical plates 10, the tube boxes 9 can move relative to the vertical plates 10, and the vertical plates 10 are shorter in length, so that the contact area between the vertical plates 10 and the tube boxes 9 is smaller, the friction force between the tube boxes 9 and the vertical plates 10 is smaller, and the purpose that an operator moves the tube boxes 9 out of the vertical plates 10 more easily is achieved.

Referring to fig. 6, the roller 101 is rotatably connected to one side of the bending portion of the vertical plate 10 close to the tube box 9, the roller 101 is horizontally arranged, the roller 101 is perpendicular to the length direction of the tube body 3, one side of the roller 101 close to the tube box 9 is abutted to the tube box 9, the roller 101 is provided with a plurality of rollers, and the plurality of rollers 101 are distributed along the length direction of the tube body 3. In the process of shifting out the pipe box 9 from between the riser 10, the pipe box 9 can butt on running roller 101 and the relative board 10 that stands up removes, and the pipe box 9 can drive running roller 101 this moment and take place to rotate, can reduce the resistance that riser 10 removed to pipe box 9 after running roller 101 takes place to rotate, needs littleer power just can take out pipe box 9 from between riser 10 this moment, has reached the convenient purpose of taking out pipe box 9 from between riser 10.

The implementation principle of the pipe jacking device and the construction method thereof in the embodiment of the application is as follows: in the using process, the machine head 2 and one pipe body 3 are jacked into the ground from the working well 11 to the receiving well 12 through the jack 4, then the second connecting piece 7 is detached from the first pipeline 5, a new pipe body 3 is placed between the jack 4 and the pipe body 3 jacked into the ground, at the moment, the operator connects the first pipeline 5 of the new pipe body 3 with the first pipeline 5 of the pipe body 3 jacked into the ground through the first connecting piece 6, connects the second pipeline 8 with the first pipeline 5 of the new pipe body 3 through the second connecting piece 7, then the jack 4 is controlled to jack the new pipe body 3 from the end part of the pipe body 3 far away from the machine head 2, and the new pipe body 3 can push the pipe body 3 jacked into the ground and the machine head 2 to continuously move towards the receiving well 12 until the pipe group is communicated with the working well 11 and the receiving well 12; before pushing the pipe body 3 into the ground, an operator does not need to penetrate the first pipeline 5 through the new pipe body 3 and move the first pipeline 5 to the ground 1 to be connected with the control device, the operation is convenient and time-saving, and the aim of improving the construction efficiency of the pipe jacking device is fulfilled. .

A construction method of a pipe jacking device refers to fig. 2 and 4, and comprises the following steps:

s1, disconnecting the second connector 7 from the first pipeline 5 in the pipe body 3 of the pipe group close to the working well 11;

s2, placing the pipe 3 to be jacked into the ground between the jack 4 and the pipe 3 of the pipe group close to the working well 11;

s3, controlling the jack 4 to jack the pipe body 3 to be jacked into the ground from the working well 11 to the receiving well 12;

s4, clamping the adjusting clamping block 132 in the clamping groove;

s5, connecting the first pipeline 5 to be jacked into the underground pipe body 3 with the first pipeline 5 in the pipe body 3 of the pipe set near the working well 11 through the first connector 6, and connecting the first pipeline 5 with the second pipeline 8 through the second connector 7.

Referring to fig. 3 and 7, in the using process, after the clamping block 132 is clamped in the clamping groove, the two adjacent tube boxes 9 can be connected together, and at this time, the possibility that the first connecting piece 6 is pulled off due to the separation of the two tube boxes 9 can be reduced, so that the possibility that the first connecting piece 6 and the first pipeline 5 are damaged is reduced, and the purpose of reducing the possibility that the push pipe device is damaged is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pipe jacking device, including installing aircraft nose (2) and the nest of tubes under ground (1), dig vertical working well (11) and receiving well (12) on ground (1), aircraft nose (2) and nest of tubes are located in the underground between working well (11) and receiving well (12), aircraft nose (2) are used for smashing and the underground silt of discharging, nest of tubes one end is connected with aircraft nose (2), the port that aircraft nose (2) were kept away from to the nest of tubes is located working well (11), the nest of tubes includes a plurality of bodys (3), a plurality of bodys (3) communicate along nest of tubes length direction in proper order, it has been used for pushing up underground jack (4) with body (3) from working well (11) to the direction that is close to receiving well (12) to butt joint on the port that aircraft nose (2) was kept away from to the nest of tubes, jack (4) set up in working well (11), its characterized in that: the device is characterized in that a plurality of first pipelines (5) are connected in the pipe body (3), a first connecting piece (6) is detachably connected between two adjacent pipe bodies (3), the first connecting piece (6) is used for connecting the two first pipelines (5), the end part, close to the head (2), of the first pipeline (5) in the pipe body (3) close to the head (2) is connected with the head (2), the end part, far away from the head (2), of the first pipeline (5) in the pipe body (3) far away from the head (2) is provided with a second connecting piece (7) and a second pipeline (8), the second connecting piece (7) is detachably connected with the first pipeline (5) in the pipe body (3) far away from the head (2), one end of the second pipeline (8) is connected with the second connecting piece (7), the end part, far away from the second connecting piece (7), of the second pipeline (8) is connected with a control device used for controlling the work of the first pipeline (5) and the second pipeline (8), the first connecting piece (6) and the second connecting piece (7) have the same structure.

2. The push bench of claim 1 wherein: the pipe body (3) is internally connected with a pipe box (9), one side of the pipe box (9) is opened, and the first pipeline (5) is connected in the pipe box (9).

3. The push bench of claim 2 wherein: body (3) inner wall fixedly connected with riser (10), riser (10) are parallel with body (3) length direction, riser (10) are provided with two, perpendicular pipe box (9) length direction distribution is followed in two riser (10), the tip that body (3) inner wall was kept away from in riser (10) is buckled to the direction that two riser (10) are close to each other, pipe box (9) butt is between two riser (10), the tip butt of buckling of riser (10) is in the one side that body (3) inner wall was kept away from in pipe box (9).

4. The push bench of claim 2 wherein: the end portion fixedly connected with fixed block (13) that tub box (9) is close to service well (11), be provided with spring (131) and fixture block (132) on fixed block (13), set up on fixed block (13) and the adjacent lateral wall in one side that is close to tub box (9) recess (133), fixture block (132) pass through recess (133) and fixed block (13) sliding connection, spring (131) set up in recess (133), spring (131) fixed connection is between fixture block (132) and fixed block (13), tub box (9) have been close to the tip of receiving well (12) and have been seted up spread connecting groove (91), the draw-in groove has been seted up to connecting groove (91) inner wall, fixed block (13) are pegged graft in tub box (9) are close to the tip of receiving well (12) through connecting groove (91), fixture block (132) are passed through the draw-in the joint in the tip that tub box (9) are close to receiving well (12).

5. The push bench of claim 4 wherein: the end part of the pipe box (9) close to the receiving well (12) comprises a connecting block (92) and a dismounting seat (93), the dismounting seat (93) is detachably connected to one side, close to the receiving well (12), of the connecting block (92), the clamping groove is located in the connecting block (92), and the clamping block (132) abuts against one side, close to the connecting block (92), of the dismounting seat (93).

6. The push bench of claim 4 wherein: one side of the clamping block (132) far away from the spring (131) inclines from the receiving well (12) to the direction of the working well (11) and from the outside of the fixing block (13) to the inside of the fixing block (13).

7. A push bench device as claimed in claim 3, wherein: the length of the vertical plate (10) is smaller than that of the pipe body (3), a plurality of groups of vertical plates (10) are arranged, and the plurality of groups of vertical plates (10) are distributed along the length direction of the pipe body (3).

8. The push bench of claim 3 wherein: the one side that the kink of riser (10) is close to pipe box (9) is rotated and is connected with running roller (101), and running roller (101) are perpendicular with body (3) length direction, and running roller (101) are close to one side and pipe box (9) butt of pipe box (9), and running roller (101) are provided with a plurality ofly, and body (3) length direction distributes is followed to a plurality of running rollers (101).

9. The push bench of claim 2 wherein: the tube box (9) is positioned on the upper part of the inner wall of the tube body (3).

10. A construction method of a pipe jacking system as claimed in any one of claims 1 to 4, characterized by comprising the steps of:

s1, disconnecting the second connecting piece (7) from the first pipeline (5) in the pipe body (3) of the pipe group close to the working well (11);

s2, placing the pipe body (3) to be jacked into the ground between the jack (4) and the pipe body (3) of the pipe group close to the working well (11);

s3, controlling the jack (4) to jack the pipe body (3) to be jacked into the ground from the working well (11) to the receiving well (12);

s4, connecting each pipe body (3);

s5, connecting a first pipeline (5) in the pipe body (3) to be jacked into the ground with the first pipeline (5) in the pipe body (3) of the pipe group close to the working well (11) through a first connecting piece (6), and connecting the first pipeline (5) with a second pipeline (8) through a second connecting piece (7).