CN210106788U

CN210106788U - Pipe jacking structure of circular open caisson

Info

Publication number: CN210106788U
Application number: CN201920924607.7U
Authority: CN
Inventors: 金华; 张斌; 蒋基安; 张才俊; 刘少丞
Original assignee: CCCC Shanghai Dredging Co Ltd.
Current assignee: CCCC Shanghai Dredging Co Ltd.
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-02-21
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a pipe-jacking structure of a circular open caisson, which comprises a first pipe body, a second pipe body, a splicing insertion pipe and a sealing structure, wherein the first pipe body and the second pipe body are fixedly installed through the splicing pipe body and the splicing insertion pipe, one end of the first pipe body close to the second pipe body is fixedly installed with the splicing pipe body, one end of the second pipe body close to the first pipe body is fixedly installed with the splicing insertion pipe, the splicing pipe body comprises an inner pipe body and an outer pipe body, the inner pipe body and the outer pipe body are both integrally arranged at one side of the first pipe body, the inner pipe wall of the inner pipe body is arranged on the same circular surface as the inner pipe wall of the first pipe body, the outer pipe wall of the outer pipe body is arranged on the same circular surface as the outer pipe wall of the first pipe body, and a slot is formed between the inner pipe body and the outer pipe body, the utility model discloses the structure is, the sealing performance of the splicing position of the jacking pipes is improved, the anti-seepage effect is good, and the service life of the jacking pipes is prolonged.

Description

Pipe jacking structure of circular open caisson

Technical Field

The utility model relates to a push pipe structure, concretely relates to push pipe structure of circular open caisson belongs to circular open caisson technical field.

Background

The pipe-jacking construction is a construction method of underground pipelines developed after shield construction, does not need to excavate a surface layer, and can pass through highways, railways, rivers, ground buildings, underground structures, various underground pipelines and the like. In the pipe jacking construction, by means of the thrust of a main jacking oil cylinder, an inter-pipeline relay and the like, a tool pipe or a heading machine is pushed from a working well through a soil layer until the tool pipe or the heading machine is hoisted in a receiving well. Meanwhile, a pipeline following a tool pipe or a heading machine is buried between two wells, so that a construction method for laying underground pipelines in a non-excavation mode is realized, the existing jacking pipe is large in integral installation difficulty, splicing gaps exist at the splicing positions of the spliced jacking pipes, sealing treatment measures are lacked, leakage easily occurs at the splicing positions of the jacking pipes due to the loss of the jacking pipes, and the service life is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect and provide a pipe jacking structure of circular open caisson.

The technical scheme for realizing the purpose is as follows: a pipe jacking structure of a round open caisson comprises a first pipe body, a second pipe body, a splicing insertion pipe and a sealing structure, the first pipe body and the second pipe body are fixedly installed through a splicing pipe body and a splicing insertion pipe, one end of the first pipe body close to the second pipe body is fixedly installed with the splicing pipe body, one end of the second tube body close to the first tube body is fixedly provided with a splicing insertion tube, the splicing tube body comprises an inner tube body and an outer tube body, the inner pipe body and the outer pipe body are integrally arranged on one side of the first pipe body, the inner pipe wall of the inner pipe body and the inner pipe wall of the first pipe body are arranged on the same circular surface, the outer pipe wall of the outer pipe body and the outer pipe wall of the first pipe body are arranged on the same circular surface, a slot is formed between the inner pipe body and the outer pipe body, the inner pipe body is provided with a sunken part, the splicing insertion pipe is inserted into the slot, and a sealing structure is arranged between the splicing insertion pipe and the splicing pipe body.

Preferably, the sealing structure comprises a first glue injection hole, a second glue injection hole and a waterproof sealing colloid, the first glue injection hole is formed in the outer pipe body, the second glue injection hole corresponding to the first glue injection hole is formed in the splicing insertion pipe, and the waterproof sealing colloid is fixedly mounted in the recessed portion between the splicing insertion pipe and the inner pipe body.

Preferably, the outer wall of the splicing insertion pipe is attached to the inner wall of the outer pipe body, and the inner wall of the splicing insertion pipe is attached to the outer wall of the inner pipe body.

Preferably, the inner walls of the first pipe body and the second pipe body are coated with lining layers, and the lining layers are made of polyamide epoxy resin materials.

Preferably, the outer walls of the first pipe body and the second pipe body are coated with outer protective layers made of high-density polyethylene materials.

The utility model has the advantages that:

1. this kind of push pipe structure of circular open caisson, simple structure, convenient to use, concatenation intubate cooperation on the concatenation body of installation on the first body and the second body is to circular open caisson push pipe modularization setting for push pipe simple to operate on the circular open caisson will splice the intubate and insert in the slot, and the fast assembly between the first body of being convenient for and the second body reduces the operation degree of difficulty of push pipe installation and the intensity of labour of personnel's installation operation.

2. This kind of pipe jacking structure of circular open caisson, through installing the seal structure between concatenation body and concatenation intubate, the concatenation intubate inserts in the slot, set up first injecting glue hole on outer body, and set up the second injecting glue hole on the concatenation intubate, pour into the waterproof glue into and solidify the waterproof sealing colloid in the depressed part between concatenation intubate and interior body, effectively improve the sealing performance of push pipe concatenation department, the antiseep is effectual, and the inner liner that the body inner wall set up, the outer jacket of outer wall setting, effectively improve the corrosion resisting property of push pipe inner and outer wall, extension push pipe life.

Drawings

Fig. 1 is a schematic structural view of a pipe jacking structure of a circular open caisson of the present invention;

fig. 2 is a schematic structural view of a first pipe body and a second pipe body of a pipe jacking structure of the round open caisson of the present invention;

fig. 3 is a schematic structural view of a second pipe body of the pipe jacking structure of the round open caisson of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

fig. 5 is a structural cross-sectional view of a pipe jacking structure of the round open caisson of the present invention;

fig. 6 is a schematic diagram of the structure at B in fig. 5.

In the figure: 1. a first pipe body; 2. a second tube body; 3. splicing the pipe bodies; 31. an inner tube body; 32. an outer tubular body; 33. a slot; 34. a recessed portion; 4. splicing the insertion tubes; 5. a sealing structure; 51. a first glue injection hole; 52. a second glue injection hole; 53. waterproof sealing colloid; 6. an inner liner layer; 7. an outer jacket.

Detailed Description

The utility model will be further explained with reference to the accompanying drawings 1-6, a pipe-jacking structure of a circular open caisson comprises a first pipe 1, a second pipe 2, a splicing pipe 3, a splicing insertion pipe 4 and a sealing structure 5, wherein the first pipe 1 and the second pipe 2 are fixedly installed through the splicing pipe 3 and the splicing insertion pipe 4, the first pipe 1 is fixedly installed with the splicing pipe 3 near one end of the second pipe 2, the second pipe 2 is fixedly installed with the splicing insertion pipe 4 near one end of the first pipe 1, the splicing pipe 3 comprises an inner pipe 31 and an outer pipe 32, the inner pipe 31 and the outer pipe 32 are both arranged at one side of the first pipe 1, the inner pipe wall of the inner pipe 31 is arranged on the same circular surface as the inner pipe wall of the first pipe 1, the outer pipe wall of the outer pipe 32 is arranged on the same circular surface as the outer pipe wall of the first pipe 1, an insertion groove 33 is formed between the inner tube 31 and the outer tube 32, a recess 34 is formed on the inner tube 31, the splicing insertion tube 4 is inserted into the insertion groove 33, and a sealing structure 5 is arranged between the splicing insertion tube 4 and the splicing tube 3.

The sealing structure 5 comprises a first glue injection hole 51, a second glue injection hole 52 and a waterproof sealing colloid 53, the first glue injection hole 51 is formed in the outer pipe body 32, the second glue injection hole 52 corresponding to the first glue injection hole 51 is formed in the splicing insertion pipe 4, the waterproof sealing colloid 53 is fixedly installed in the concave part 34 between the splicing insertion pipe 4 and the inner pipe body 31, the outer wall of the splicing insertion pipe 4 is attached to the inner wall of the outer pipe body 32, the inner wall of the splicing insertion pipe 4 is attached to the outer wall of the inner pipe body 31, the inner walls of the first pipe body 1 and the second pipe body 2 are coated with an inner liner 6, the inner liner 6 is made of a polyamide epoxy resin material, the outer walls of the first pipe body 1 and the second pipe body 2 are coated with an outer protective layer 7, the outer protective layer 7 is made of a high-density polyethylene material, and the anti-corrosion performance of the inner wall and the outer wall of the jacking.

The working principle is as follows: when the utility model is used, firstly, the splicing insertion pipe 4 at one end of the second pipe body 2 is inserted into the slot 33 of the first pipe body 1, then the top of the spliced pipe is drilled by adopting a drilling device, namely, the outer pipe body 32 of the first pipe body 1 is provided with the first glue injection hole 51, the splicing insertion pipe 4 is provided with the second glue injection hole 52, then the waterproof glue is injected into the concave part 34 between the splicing insertion pipe 4 and the inner pipe body 31 through the first glue injection hole 51 and the second glue injection hole 52, and is solidified to form the waterproof sealing glue 53, the splicing pipe body 3 arranged on the first pipe body 1 is matched with the splicing insertion pipe 4 on the second pipe body 2, the modular arrangement is carried out on the circular sinking well pipe, so that the pipe-jacking on the circular sinking well is convenient to install, the splicing insertion pipe 4 is inserted into the slot 33, the quick assembly between the first pipe body 1 and the second pipe body 2 is convenient, the operation difficulty of the installation of the pipe-jacking and the labor intensity of the installation operation of personnel are reduced, through installing seal structure 5 between concatenation body 3 and concatenation intubate 4, waterproof sealing colloid 53 at the installation of push pipe modularization concatenation department effectively improves the sealing performance of push pipe concatenation department, and the antiseep is effectual to and the inner liner 6 of the polyamide epoxy material of body inner wall setting, the high density polyethylene material's of outer wall setting outer jacket 7, effectively improve the corrosion resisting property of push pipe inside and outside wall, extension push pipe life.

The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.

Claims

1. The pipe jacking structure of the circular open caisson is characterized by comprising a first pipe body (1), a second pipe body (2), a splicing pipe body (3), a splicing insertion pipe (4) and a sealing structure (5), wherein the first pipe body (1) and the second pipe body (2) are fixedly installed through the splicing pipe body (3) and the splicing insertion pipe (4), one end, close to the second pipe body (2), of the first pipe body (1) is fixedly provided with the splicing pipe body (3), one end, close to the first pipe body (1), of the second pipe body (2) is fixedly provided with the splicing insertion pipe (4), the splicing pipe body (3) comprises an inner pipe body (31) and an outer pipe body (32), the inner pipe body (31) and the outer pipe body (32) are arranged on one side of the first pipe body (1) in a uniform mode, the inner pipe wall of the inner pipe body (31) and the inner pipe wall of the first pipe body (1) are arranged in a same circular mode, the outer pipe wall of outer body (32) and the same circular face setting of the outer pipe wall of first body (1), form slot (33) between interior body (31) and outer body (32), seted up depressed part (34) on interior body (31), concatenation intubate (4) insert inside slot (33), be provided with seal structure (5) between concatenation intubate (4) and concatenation body (3).

2. The pipe jacking structure of the circular caisson according to claim 1, wherein the sealing structure (5) comprises a first glue injection hole (51), a second glue injection hole (52) and a waterproof sealing colloid (53), the outer pipe body (32) is provided with the first glue injection hole (51), the splicing insertion pipe (4) is provided with the second glue injection hole (52) corresponding to the first glue injection hole (51), and the waterproof sealing colloid (53) is fixedly installed in the recess (34) between the splicing insertion pipe (4) and the inner pipe body (31).

3. The pipe jacking structure of a round caisson according to claim 1, wherein the outer wall of the splicing insertion pipe (4) is attached to the inner wall of the outer pipe body (32), and the inner wall of the splicing insertion pipe (4) is attached to the outer wall of the inner pipe body (31).

4. The pipe jacking structure of the round open caisson according to claim 1, wherein the inner walls of the first pipe body (1) and the second pipe body (2) are coated with an inner lining layer (6), and the inner lining layer (6) is made of polyamide epoxy resin material.

5. The pipe jacking structure of the round open caisson according to claim 1, wherein the outer walls of the first pipe body (1) and the second pipe body (2) are coated with an outer protective layer (7), and the outer protective layer (7) is made of polyethylene material.