CN113503398A

CN113503398A - Trenchless pipeline and construction method thereof

Info

Publication number: CN113503398A
Application number: CN202110892592.2A
Authority: CN
Inventors: 卢方阔; 卢志冉; 卢方清; 卢淼; 方结水; 戈国良; 丁界; 王惠琴; 陆凯鸣; 徐晶; 陆振一; 黄妍敏; 程洁; 钱盈月; 孙玉杰; 谭佶
Original assignee: Jiangsu Kuojing Construction Engineering Co ltd
Current assignee: Jiangsu Kuojing Construction Engineering Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-10-15
Anticipated expiration: 2041-08-04
Also published as: CN113503398B

Abstract

The application relates to the field of trenchless pipeline technology, in particular to a trenchless pipeline and a construction method thereof. This application has set up mud in the body and has divided the pipe, during the concatenation of double-phase adjacent body, on the plug that mud was divided on one of them body can insert on another body mud divided the holding of pipe, and during a plurality of body interconnect, a plurality of mud were divided and also can interconnect, and mud is divided the pipe and is played the effect of carrying mud to can improve the assembly efficiency of body.

Description

Trenchless pipeline and construction method thereof

Technical Field

The application relates to the field of trenchless pipeline technology, in particular to a trenchless pipeline and a construction method thereof.

Background

The trenchless technology is used for laying, repairing and replacing pipelines by using the rock-soil drilling technology under the condition of not excavating the ground or only excavating a small amount of operation pits. The trenchless construction technology has the advantages of high efficiency, moderate cost and environmental friendliness, and does not influence traffic and pollute the environment.

During trenchless construction, the pipe pushing machine pushes a jacking pipe into a soil layer, a soil crushing device and a spraying device are arranged in the jacking pipe, most of crushed soil in the jacking pipe can become slurry under the action of spraying, a slurry pipe is further arranged on the jacking pipe, one end of the slurry pipe is connected to the jacking pipe, the other end of the slurry pipe is connected to a pump machine, the pump machine is arranged on the ground, and the pump machine pumps the slurry in the jacking pipe to the ground through the slurry pipe. However, the slurry pipe needs to pass through the trenchless pipeline, the trenchless pipeline comprises a plurality of sections of trenchless pipes, each section of trenchless pipe is added, the slurry pipe needs to be disconnected from the pump, and then the slurry pipe passes through the trenchless pipe and then is connected to the pump, so that the construction efficiency of the trenchless pipeline is slow, and needs to be further improved.

Disclosure of Invention

In order to improve the construction efficiency of the trenchless pipeline, the application provides the trenchless pipeline and the construction method thereof.

The application provides a non-excavation pipeline adopts following technical scheme:

the utility model provides a non-excavation pipeline, includes the body, be equipped with mud along the axial of body in the body and divide the pipe, mud divides the one end of managing to be the plug, and mud divides the other end of managing to be for holding the head.

Through adopting above-mentioned technical scheme, when body and body splice each other, the plug of one of them mud branch pipe inserts on another mud branch pipe holds the head to when a plurality of body interconnect, mud in the body divides the pipe also can interconnect, mud divides the pipe to play the effect of transporting mud, makes the body at the in-process of assembly, and the mud pipe need not pass the body again, has saved the time of body in the assembling process, has improved the efficiency of construction of non-excavation pipeline.

Optionally, the mud divides the intraductal cover of pipe to be equipped with a plurality of solid fixed rings, gu be equipped with a plurality of bracing pieces on the fixed ring, the spout has been seted up along the axial of body on the inner wall of body, the one end that the mud pipe was kept away from to the bracing piece is located the spout.

Through adopting above-mentioned technical scheme, the bracing piece plays to solid fixed ring and supports and spacing effect, and the fixed ring divides the pipe to play fixed effect to mud, and the bracing piece can slide in the spout, when needing to divide the pipe to follow the body with mud and take out, and the pulling mud divides the pipe to follow the body with mud and takes out in the intraductal.

Optionally, one end of the support rod, which is far away from the slurry branch pipe, is provided with a pulley, and the pulley is located in the sliding groove.

Through adopting above-mentioned technical scheme, the pulley can make the sliding friction of bracing piece and spout diapire become rolling friction to can reduce the frictional force between bracing piece and the body, thereby be convenient for more the mud is in charge of and is taken out from the body.

Optionally, be equipped with the ring of inserting that is located plug one end on the outer wall that mud was managed separately, it deviates from one side of holding the head to establish to first inclined plane to insert the ring, hold overhead being equipped with and supply plug male to hold the pipe, the axial along holding the pipe on the pipe is worn to be equipped with a plurality of cuttings, be equipped with the second inclined plane on the cuttings, be equipped with on the cuttings and be located the limiting plate that holds outside the pipe, the limiting plate is close to and is equipped with the compression spring who connects in holding the pipe on the terminal surface that holds the pipe.

Through adopting above-mentioned technical scheme, when the body splices each other, the plug that mud was in charge of inserts in another mud holds on the charge of, male in-process, on first inclined plane butt to the second inclined plane, thereby insert the direction removal of ring drive cutting to keeping away from the hold tub axis, after the plug entered into the hold intraductal, compression spring drive limiting plate and cutting removed to the direction that is close to the hold tub axis, thereby the cutting plays spacing effect to inserting the ring, can restrict to insert the ring and deviate from in holding the pipe.

Optionally, the bearing pipe is sleeved with a switch pipe, the switch pipe is in threaded connection with the bearing pipe, a third inclined plane is arranged on the side, close to the limiting plate, of the switch pipe, and a fourth inclined plane is arranged on the side, close to the bearing pipe, of the limiting plate.

Through adopting above-mentioned technical scheme, when taking two mud branch pipes apart, rotate the switch tube for the switch tube removes to the direction that is close to the limiting plate, and the mutual butt of third inclined plane and fourth inclined plane, the switch tube drive cutting removes to the direction of keeping away from the tub axis, thereby the cutting can be removed and is inserted the restriction of ring, and the plug can be followed and held and is taken off in the intraductal.

Optionally, the slurry branch pipe is provided with a switch valve.

By adopting the technical scheme, the switching valve is closed before the bearing head is disconnected with the pumping pipe, after the slurry branch pipe is separated from the pumping pipe, slurry in the slurry branch pipe is not easy to spill out of the slurry branch pipe, and after the pumping pipe is connected to the bearing pipe, the switching valve is opened, and the pumping pipe can pump the slurry in the slurry branch pipe.

Optionally, the connecting grooves are formed in two ends of the pipe body, the connecting ring is arranged at one end of the pipe body, and the sealing rings are arranged on the inner wall and the outer wall of the connecting ring.

Through adopting above-mentioned technical scheme, when two body interconnect, the go-between was inserted in two spread grooves, and the go-between plays the effect of connecting two adjacent bodies, and the sealing ring plays sealed effect, has reduced the probability that the gap between two bodies of aquatic in the body flows.

Optionally, the connecting ring is provided with a plurality of positioning rods, and the bottom of the connecting groove is provided with a positioning groove for inserting the positioning rods.

Through adopting above-mentioned technical scheme, the locating lever inserts in the constant head tank for spout on two adjacent bodys can communicate each other, and after the body assembly finishes, can be with the mud in all bodys in the branch pipe take out.

The application also provides a construction method of the trenchless pipeline, which comprises the following steps:

step 1: digging a pit: planning the length and the depth of the trenchless pipeline, and digging working pits at two ends of the trenchless pipeline;

step 2, pipe jacking: putting a pipe pushing machine into the operation pit, putting the pipe pushing machine into the operation pit, and putting the pipe pushing machine into the operation pit, so that the axis of the pipe pushing machine is the same as the axis of the non-excavation pipeline, arranging a pump machine on the ground, connecting a pumping pipe on the pump machine, connecting the pumping pipe to a mud pipe in the pipe pushing machine, pushing the pipe pushing machine into the soil layer, and pumping out soil which is changed into mud from the soil layer by the pump machine in the process that the pipe pushing machine enters the soil layer;

step 3, taking over: after the push pipe enters the soil layer, disconnecting the slurry pipe from the pumping pipe, placing the pipe body into the operation pit, connecting one end of the pipe body to the push pipe, connecting a plug of the slurry branch pipe to the slurry pipe, connecting the pumping pipe to the bearing pipe, and pushing the pipe body into the soil layer by the push pipe;

step 4, multiple pipe connection: closing the switch valve, disconnecting the connection between the pumping pipe and the bearing pipe, putting the other pipe body into the operation pit and connecting the other pipe body to the previous pipe body, connecting the two pipe bodies through the connecting ring, inserting the plug on the pipe body into the bearing pipe on the other pipe body, connecting the pumping pipe to the bearing pipe on the newly added pipe body, opening the switch valve, and pushing the pipe body into the soil layer by the pipe pusher;

step 5, collecting the tube: and (4) repeating the step (4) until the jacking pipe enters another operation pit, disassembling the jacking pipe, extracting the slurry branch pipes from the pipe body in one operation pit, and rotating the switch pipe to separate the slurry branch pipes from each other.

Through adopting above-mentioned technical scheme, the body is at the in-process of assembly, and mud on the double-phase adjacent body divides the pipe can rapid Assembly for mud pipe needn't pass the body again, has improved assembly efficiency, and the assembly back that finishes, and pulling mud divides the pipe can be divided the pipe with mud and take out from the body in, makes mud divide the pipe repeatedly usable.

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

1. according to the mud branch pipe, the mud branch pipes are arranged in the pipe bodies, when two adjacent pipe bodies are spliced, a plug of the mud branch pipe on one pipe body can be inserted into a bearing head of the mud branch pipe on the other pipe body, when the pipe bodies are connected with each other, the mud branch pipes can also be connected with each other, and the mud branch pipes play a role in conveying mud, so that the assembly efficiency of the pipe bodies can be improved;

2. this application finishes at the body assembly back, and pulling mud is in charge of, and the bracing piece can remove in the spout to mud is in charge of can breaking away from with the body, and mud is in charge of can reuse.

Drawings

Fig. 1 is a schematic view of an overall structure of a trenchless pipeline and a construction method thereof according to an embodiment of the present invention.

Figure 2 is an exploded view of a connection ring according to an embodiment of the present application.

FIG. 3 is a schematic structural view of a socket according to an embodiment of the present application.

Fig. 4 is a sectional view of a pipe body according to an embodiment of the present application.

Description of reference numerals: 1. a pipe body; 2. connecting grooves; 3. a connecting ring; 4. a seal ring; 5. a chute; 6. positioning a rod; 7. positioning a groove; 8. separating mud into pipes; 9. a fixing ring; 10. a support bar; 11. a pulley; 12. a plug; 13. a bearing head; 14. a bearing pipe; 15. inserting a ring; 16. a first inclined surface; 17. cutting; 18. a limiting plate; 19. a compression spring; 20. a second inclined surface; 21. a switching tube; 22. a third inclined surface; 23. a fourth inclined surface; 24. and (4) switching on and off the valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses trenchless pipeline. Referring to fig. 1, a non-excavation pipeline includes body 1, has all seted up spread groove 2 on the both ends of body 1, and body 1 serves and still is equipped with go-between 3, and the side position of go-between 3 is located spread groove 2, and during 1 interconnect of two bodys, the both sides of go-between 3 are located the spread groove 2 of two bodys 1 respectively to realize the interconnect of two bodys 1. The inner side and the outer side of the connecting ring 3 are both provided with a sealing ring 4, and the sealing rings 4 can limit water in the pipe bodies 1 from passing through a gap between the two pipe bodies 1.

Referring to fig. 1 and 2, a plurality of spouts 5 have been seted up along the axial of body 1 on the inner wall of body 1, still are equipped with locating lever 6 on the lateral wall of go-between 3, and the tank bottom of spread groove 2 is equipped with and supplies locating lever 6 male constant head tank 7, and during the concatenation of two bodies 1, locating lever 6 inserts in constant head tank 7, and locating lever 6 inserts in constant head tank 7 for spout 5 on the two adjacent bodies 1 communicates each other. Each body 1 is equipped with a mud and divides the pipe 8, and mud is divided and is equipped with a plurality of solid fixed rings 9 on the pipe 8, is equipped with a plurality of bracing pieces 10 on the solid fixed ring 9, and the bracing piece 10 is kept away from solid fixed ring 9 and is served and be equipped with pulley 11, and pulley 11 is located spout 5, and when pulley 11 rolled in spout 5, mud was divided and manages 8 and can remove in body 1. After the pipe body 1 is assembled, the slurry branch pipe 8 is pulled, and the slurry branch pipe 8 can be taken out of the pipe body 1.

Referring to fig. 3 and 4, the two ends of the slurry branch pipe 8 are respectively a plug 12 and a socket 13, the socket 13 is provided with a socket 14 for the plug 12 to insert, and when the two pipe bodies 1 are connected, the plug 12 and the socket 13 on the two pipe bodies 1 are connected. An insert ring 15 positioned on the plug 12 is arranged on the outer wall of the slurry branch pipe 8, and a first inclined surface 16 is arranged on the side surface of the insert ring 15 departing from the socket 13. A plurality of inserting strips 17 penetrate through the bearing pipe 14 along the axial direction of the bearing pipe 14, the inserting strips 17 can slide relative to the bearing pipe 14, a limiting plate 18 is arranged at one end, located outside the bearing pipe 14, of each inserting strip 17, and a compression spring 19 is arranged on the side face, close to the bearing pipe 14, of each limiting plate 18. The end of the slip 17 in the socket 14 is provided with a second inclined surface 20, and when the plug 12 is inserted into the socket 14, the first inclined surface 16 abuts against the second inclined surface 20, so that the slip ring 15 drives the slip 17 to move away from the axis of the socket 14, and the compression spring 19 is stretched. After the plug 12 is inserted into the socket 14, the slip 17 and the limit plate 18 are moved in a direction close to the axis of the socket 14 by the compression spring 19, so that the slip 17 can limit the slip ring 15 from being removed from the socket 14. The bearing tube 14 is further sleeved with a switch tube 21, the switch tube 21 is in threaded connection with the bearing tube 14, the side face, close to the limiting plate 18, of the switch tube 21 is set to be a third inclined face 22, the side face, close to the switch tube 21, of the limiting plate 18 is set to be a fourth inclined face 23, when the switch tube 21 is driven to move towards the direction close to the limiting plate 18, the third inclined face 22 abuts against the fourth inclined face 23, therefore the switch tube 21 drives the limiting plate 18 and the inserting strip 17 to move towards the direction far away from the axis of the bearing tube 14, the inserting strip 17 cancels the limiting effect on the inserting ring 15, and the plug 12 can be taken out of the bearing tube 14.

The mud branch pipe 8 is also provided with a switch valve 24, when the switch valve 24 is opened, mud can be conveyed in the mud branch pipe 8, and when the plug 12 is connected with or separated from the socket 13, the switch valve 24 is closed, so that the mud in the mud branch pipe 8 is not easy to spill.

The implementation principle of the trenchless pipeline and the construction method thereof in the embodiment of the application is as follows: when two body 1 are connected, the both ends of go-between 3 enter into the spread groove 2 of two body 1 respectively, and locating lever 6 pegs graft in locating slot 7 to make spout 5 on two adjacent body 1 be linked together. When the two pipe bodies 1 are connected, the slurry branch pipe 8 on one pipe body 1 is connected with the slurry branch pipe 8 on the other pipe body 1, the inserting ring 15 on the slurry branch pipe 8 is inserted into the bearing pipe 14 on the other slurry branch pipe 8, the inserting strip 17 can limit the inserting ring 15 to be separated from the bearing pipe 14, and the slurry branch pipes 8 can be communicated with each other, so that the effect of conveying slurry can be achieved. After the assembly of body 1 finishes, with mud branch pipe 8 from the one end pull-out of non-excavation pipeline, rotate switch pipe 21 and can drive the strip 17 and remove to the direction of keeping away from insert ring 15 to remove the spacing of strip 17 to insert ring 15, and then can divide the mud to manage 8 and mud and divide the connection between the pipe 8 and remove, realize the reuse of mud branch pipe 8.

Compared with the prior art, this application embodiment has set up mud in the body 1 and has divided pipe 8, and during the concatenation of two adjacent bodies 1, on the plug 12 that mud was divided pipe 8 on one of them body 1 can insert on another body 1 on the head 13 that holds of mud was divided pipe 8, and during a plurality of body 1 interconnect, a plurality of mud was divided pipe 8 and also can interconnect, and mud is divided pipe 8 and plays the effect of carrying mud to can improve the assembly efficiency of body 1.

The embodiment of the application also discloses a construction method of the trenchless pipeline, which comprises the following steps:

step 3, taking over: after the top pipe enters the soil layer, disconnecting the mud pipe from the pumping pipe, placing the pipe body 1 into the operation pit, connecting one end of the pipe body 1 to the top pipe, simultaneously connecting the plug 12 of the mud branch pipe 8 to the mud pipe, connecting the pumping pipe to the bearing pipe 14, and pushing the pipe body 1 into the soil layer by the pipe pushing machine;

step 4, multiple pipe connection: closing the switch valve 24, disconnecting the connection between the pumping pipe and the bearing pipe 14, putting the other pipe body 1 into the operation pit and connecting the other pipe body 1 to the previous pipe body 1, connecting the two pipe bodies 1 through the connecting ring 3, inserting the plug 12 on the pipe body 1 into the bearing pipe 14 on the other pipe body 1, connecting the pumping pipe to the bearing pipe 14 on the newly added pipe body 1, opening the switch valve 24, and pushing the pipe pusher into the soil layer;

step 5, collecting the tube: and (4) repeating the step (4) until the jacking pipe enters another operation pit, disassembling the jacking pipe, extracting the slurry branch pipes 8 from the pipe body 1 in one operation pit, rotating the switch pipe 21 to separate the slurry branch pipes 8 from each other, and assembling the slurry branch pipes 8 into a new pipe body 1 to achieve the effect of recycling.

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: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A trenchless duct, comprising: the mud pipe comprises a pipe body (1), wherein a mud branch pipe (8) is arranged in the pipe body (1) along the axial direction of the pipe body (1), one end of the mud branch pipe (8) is a plug (12), and the other end of the mud branch pipe (8) is a bearing head (13).

2. A trenchless pipeline as claimed in claim 1 wherein: the mud divides the cover to be equipped with a plurality of solid fixed rings (9) on pipe (8), gu be equipped with a plurality of bracing pieces (10) on fixed ring (9), a plurality of spouts (5) have been seted up along the axial of body (1) on the inner wall of body (1), the one end that mud pipe was kept away from in bracing piece (10) is located spout (5).

3. A trenchless pipeline as claimed in claim 2 wherein: one end of the support rod (10) far away from the slurry branch pipe (8) is provided with a pulley (11), and the pulley (11) is positioned in the sliding groove (5).

4. A trenchless pipeline as claimed in claim 1 wherein: mud is equipped with on the outer wall of tub (8) and is located inserting ring (15) of plug (12) one end, it establishes to first inclined plane (16) to insert ring (15) one side that deviates from and holds head (13), it holds pipe (14) to be equipped with on head (13) and supply plug (12) male, hold pipe (14) go up along the axial of holding pipe (14) and wear to be equipped with a plurality of cuttings (17), be equipped with second inclined plane (20) on cuttings (17), be equipped with on cuttings (17) and be located and hold outer limiting plate (18) of pipe (14), be equipped with on limiting plate (18) the terminal surface that is close to and holds pipe (14) and connect in compression spring (19) of holding pipe (14).

5. A trenchless pipeline as claimed in claim 4 wherein: hold pipe (14) and go up the cover and be equipped with switch tube (21), switch tube (21) and hold pipe (14) threaded connection, the side that switch tube (21) are close to limiting plate (18) is established to third inclined plane (22), limiting plate (18) are close to and are equipped with fourth inclined plane (23) on the side of holding pipe (14).

6. A trenchless pipeline as claimed in claim 1 wherein: and the slurry branch pipe (8) is provided with a switch valve (24).

7. A trenchless pipeline as claimed in claim 1 wherein: the connecting device is characterized in that connecting grooves (2) are formed in two ends of the pipe body (1), one end of the pipe body (1) is provided with a connecting ring (3), and sealing rings (4) are arranged on the inner wall and the outer wall of the connecting ring (3).

8. A trenchless pipeline as claimed in claim 7 wherein: the connecting ring (3) is provided with a plurality of positioning rods (6), and the bottom of the connecting groove (2) is provided with a positioning groove (7) for inserting the positioning rods (6).

9. A method of constructing a trenchless pipeline according to any one of claims 1 to 8, wherein the trenchless pipeline and the method of constructing the same according to claim 1 further comprises: the method comprises the following steps:

step 2, pipe jacking: putting a pipe pushing machine into the operation pit, and putting the pipe pushing machine into the operation pit, so that the axis of the pipe pushing machine is the same as the axis of the non-excavation pipeline, arranging a pump machine on the ground, connecting a pumping pipe on the pump machine, connecting the pumping pipe to a mud pipe in the pipe pushing machine, pushing the pipe pushing machine into the soil layer, and pumping out soil which is changed into mud from the soil layer by the pump machine in the process that the pipe pushing machine enters the soil layer;

step 3, taking over: after the jacking pipe enters the soil layer, disconnecting the slurry pipe from the pumping pipe, placing the pipe body (1) into the operation pit, connecting one end of the pipe body (1) to the jacking pipe, connecting a plug (12) of the slurry branch pipe (8) to the slurry pipe, connecting the pumping pipe to a bearing pipe (14), and jacking the pipe body (1) into the soil layer by using the pipe pushing machine;

step 4, multiple pipe connection: closing the switch valve (24), disconnecting the pumping pipe from the bearing pipe (14), putting the other pipe body (1) into the operation pit and connecting the other pipe body to the previous pipe body (1), connecting the two pipe bodies (1) through the connecting ring (3), inserting a plug (12) on the pipe body (1) into the bearing pipe (14) on the other pipe body (1), connecting the pumping pipe to the bearing pipe (14) on the newly added pipe body (1), opening the switch valve (24), and pushing the pipe body (1) into the soil layer by the pipe pusher;

step 5, collecting the tube: and (4) repeating the step (4) until the jacking pipe enters another operation pit, disassembling the jacking pipe, drawing the slurry branch pipe (8) out of the pipe body (1) in one operation pit, and rotating the switch pipe (21) to separate the slurry branch pipes (8) from each other.