Jacking auxiliary device for penetrating pipeline in river-crossing jacking pipe

Abstract

The utility model discloses a jacking auxiliary device for an internal penetrating pipeline of a river-crossing jacking pipe, belongs to the field of pipeline construction, and solves the problems that the friction force between the internal penetrating pipeline and an outer sleeve is large, jacking is difficult, and abrasion is easy to generate. An upper pipe hoop and a lower pipe hoop are arranged outside an inner penetrating pipe, the upper pipe hoop and the lower pipe hoop are connected outside the inner penetrating pipe in a surrounding mode, a bearing mechanism is arranged on the outer wall of the lower pipe hoop, and idler wheels are arranged at the bottom of the bearing mechanism and walk on the inner wall of an outer sleeve. In the jacking process, the idler wheels provide support for the inner penetrating pipe, jacking operation is assisted through rolling of the idler wheels, jacking is convenient, stable and lossless, the integrity of the inner penetrating pipe structure and an outer anti-corrosion layer of the inner penetrating pipe structure is effectively guaranteed, the problems that in traditional pipe penetrating operation, abrasion is large, jacking is difficult, and the construction period is long are solved, the project quality is obviously improved, and the project progress is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of pipeline construction, and in particular relates to a pipeline jacking auxiliary device for crossing a river jacking pipe. Background Art

[0002] With urban development and construction, sewage trunk pipelines often need to cross large-span rivers. These pipelines are buried very deep and are extremely long, so they are typically constructed by pipe jacking. Pipe safety is crucial for the river environment and embankment safety. This requires pipe jacking, with an outer casing and then a sewage pipe (ductile iron pipe, steel pipe, etc.) inside. However, the friction between the inner pipe and the outer casing is high, which easily causes wear and tear. This poses a significant safety hazard, makes jacking difficult, and prolongs the construction period. Therefore, a technical solution is needed that is easy to jack, wear-free, and safe. Utility Model Content

[0003] The utility model aims to provide an auxiliary device for jacking inner pipes in river crossing jacking pipes, so as to solve the problems of large friction between the inner pipes and the outer casing, difficulty in jacking, and easy wear.

[0004] The technical solution of the utility model is: an auxiliary device for jacking a pipe through a river, an upper pipe hoop and a lower pipe hoop are provided on the outside of the inner pipe, the upper pipe hoop and the lower pipe hoop are enclosed and connected to the outside of the inner pipe, a supporting mechanism is provided on the outer wall of the lower pipe hoop, a roller is provided at the bottom of the supporting mechanism, and the roller moves on the inner wall of the outer casing.

[0005] As a further improvement of the present invention, the supporting mechanism includes a support base plate, a rib plate and an arc plate. The arc plate is arranged in contact with the outer wall of the lower pipe clamp, the support base plate is connected to the bottom of the arc plate, and the rib plate is connected between the support base plate and the arc plate.

[0006] As a further improvement of the present invention, elastic washers are provided between the inner walls of the upper and lower pipe hoops and the outer wall of the inner pipe.

[0007] The beneficial effects of the present invention are as follows: an upper pipe clamp and a lower pipe clamp are arranged on the outside of the inner pipe to protect the inner pipe and prevent damage to the inner pipe during construction; and a roller is arranged at the bottom of the lower pipe clamp. During the jacking process, the roller provides support for the inner pipe and assists the jacking operation by rolling the roller. The jacking is convenient, stable and lossless, and effectively ensures the integrity of the inner pipe structure and its outer anti-corrosion layer, solves the problems of large wear, difficult jacking and long construction period in traditional pipe piercing operations, significantly improves the quality of the project and ensures the progress of the project. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural diagram of the utility model;

[0009] Figure 2This is a schematic structural diagram of the upper pipe hoop and the lower pipe hoop in the utility model;

[0010] Figure 3 It is a structural diagram of the supporting mechanism in the utility model;

[0011] Figure 4 It is a structural schematic diagram of the curved plate in the utility model.

[0012] In the figure: 1-lower pipe clamp; 2-upper pipe clamp; 3-arc plate; 4-support base plate; 5-rib plate; 6-roller frame; 8-roller; 9-elastic washer; 10-bolt; 11-inner pipe; 12-outer sleeve. DETAILED DESCRIPTION

[0013] The present invention will be described in detail below with reference to the accompanying drawings.

[0014] like Figure 1-4 As shown, a device for assisting the jacking of a pipe through a river is provided. A semicircular upper pipe clamp 2 and a lower pipe clamp 1 are provided on the outside of the inner pipe 11. The upper pipe clamp 2 and the lower pipe clamp 1 are enclosed and connected to the outside of the inner pipe 11. The upper pipe clamp 2 and the lower pipe clamp 1 are connected by bolts 10. A supporting mechanism is provided on the outer wall of the lower pipe clamp 1. A roller 8 is provided at the bottom of the supporting mechanism. The roller 8 runs on the inner wall of the outer sleeve 12.

[0015] The supporting mechanism includes a support base plate 4, ribs 5 and an arc plate 3. The arc plate 3 is arranged in contact with the outer wall of the lower pipe hoop 1. The support base plate 4 is connected to the bottom of the arc plate 3. The ribs 5 are connected between the support base plate 4 and the arc plate 3. The roller 8 is installed at the bottom of the support base plate 4 through the roller frame 6.

[0016] An elastic washer 9 is provided between the inner wall of the upper pipe hoop 2, the lower pipe hoop 1 and the outer wall of the inner pipe 11 to better protect the inner pipe 11. The elastic washer 9 is made of rubber.

[0017] An elastic washer 9 is provided on the outside of the inner pipe 11, enclosing and connecting the upper pipe hoop 2 and the lower pipe hoop 1 to protect the inner pipe 11. The roller 8 at the bottom provides support for the inner pipe 11 and assists the jacking operation through the rolling of the roller 8. The jacking operation is convenient, stable, and damage-free, and effectively ensures the integrity of the inner pipe 11 structure and its outer anti-corrosion layer.

[0018] The utility model has a simple structure, can well assist jacking construction, and has strong practicability.

Claims

1. A pipe jacking auxiliary device for crossing a river, characterized by: An upper pipe hoop (2) and a lower pipe hoop (1) are provided on the outside of the inner tube (11). The upper pipe hoop (2) and the lower pipe hoop (1) are connected to the outside of the inner tube (11). A supporting mechanism is provided on the outer wall of the lower pipe hoop (1). A roller (8) is provided at the bottom of the supporting mechanism. The roller (8) runs on the inner wall of the outer tube (12).

2. The device for assisting pipe jacking in a river crossing according to claim 1, characterized in that: The supporting mechanism comprises a support base plate (4), a rib plate (5) and an arc plate (3); the arc plate (3) is arranged to fit the outer wall of the lower pipe hoop (1); the support base plate (4) is connected to the bottom of the arc plate (3); and the rib plate (5) is connected between the support base plate (4) and the arc plate (3).

3. A pipe jacking auxiliary device for crossing a river according to claim 1 or 2, characterized in that: An elastic washer (9) is provided between the inner walls of the upper pipe hoop (2) and the lower pipe hoop (1) and the outer wall of the inner pipe (11).

Images