CN217081652U - Large-diameter long-distance jacking pipe - Google Patents

Abstract

The utility model provides a long distance push pipe of big pipe diameter, including outer tube and inner tube, the outer tube is connected through a plurality of i-shaped steel the inner tube, the outer tube includes a plurality of little outer tubes, a plurality of little outer tube fixed connection form integratively, the inboard upper portion of inner tube is provided with at least one steel pipe and supports, the inboard lower part top-down of inner tube is fixed in proper order and is provided with first bottom plate, first buffer layer, second buffer layer and second bottom plate fill the rubble between first buffer layer and the second buffer layer. The utility model discloses can prolong the pipe jacking construction and once push up the distance, reducible engineering volume, the comprehensive cost is low, and construction cycle is short, does not interrupt the traffic during the construction, has fully guaranteed the whole quality of town road, has reduced noise and dust pollution, is favorable to maintaining urban environment more, reduces the influence to people's work and life.

Description

Large-diameter long-distance jacking pipe

Technical Field

The utility model relates to a push pipe construction technical field, in particular to big pipe diameter long distance push pipe.

Background

As a trenchless construction technology, the construction of the jacking pipe has the greatest advantage that a large amount of excavation working surfaces are not needed during construction, so that adverse effects on buildings, traffic, communication and the like are avoided, and the construction technology is widely applied. The urbanization process of China is accelerated, and the scale of the urban drainage pipe network is gradually enlarged through various ways, wherein one way is to enlarge the number of the pipe network, and the other way is to increase the diameter of the pipeline. The development trend of pipe jacking engineering is more towards the direction of large pipe diameter, however, compared with the construction of common pipelines, the construction of large-pipe-diameter pipelines has the problems that the excavation surface of the large-pipe-diameter pipelines is large, an arch ring effect cannot be formed above the pipelines, and axillary corners below the pipelines cannot be compacted, so that soil bodies above the large-pipe-diameter pipelines are all born by the pipes, the foundation is unstable, the large-pipe-diameter pipelines are easy to crack and damage, and large engineering accidents are formed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve is the problem of the support stability of big pipe diameter long distance push pipe.

In order to solve the problem, the utility model provides a long distance push pipe of big footpath, the technical scheme of its adoption as follows:

the large-diameter long-distance jacking pipe comprises an outer pipe and an inner pipe, wherein the outer pipe is connected with the inner pipe through a plurality of I-shaped steels, the outer pipe comprises a plurality of small outer pipes, the small outer pipes are fixedly connected into a whole, at least one steel pipe support is arranged on the upper portion of the inner side of the inner pipe, a first bottom plate, a first buffer layer, a second buffer layer and a second bottom plate are fixedly arranged on the lower portion of the inner side of the inner pipe from top to bottom in sequence, and broken stones are filled between the first buffer layer and the second buffer layer.

As a preferred technical scheme, the first bottom plate and the second bottom plate are both reinforced concrete bottom plates.

As a preferred technical scheme, the first buffer layer and the second buffer layer are both plain concrete layers.

Preferably, the inner tube has a rectangular parallelepiped shape.

As a preferred technical scheme, the number of the steel pipes is four, and each steel pipe is respectively connected with two adjacent sides of the inner pipe.

Preferably, the inner tube is cylindrical.

Preferably, the number of the steel pipes is four, and two steel pipes are paired, each pair being symmetrical with respect to the axis of the inner pipe.

The utility model has the advantages that: according to the utility model discloses big pipe diameter long distance push pipe, through setting up the push pipe into inner tube and outer tube, a plurality of I-shaped steel are with inner tube and outer union coupling to guarantee the structural strength of whole long tube, the steel pipe that sets up in the cooperation inner tube simultaneously supports and first bottom plate, first buffer layer, second buffer layer and second bottom plate, avoids big pipe diameter pipeline fracture to destroy, reduces the potential safety hazard. The utility model discloses can prolong the pipe jacking construction and once push up the distance, reducible engineering volume, the comprehensive cost is low, and construction cycle is short, does not interrupt the traffic during the construction, has fully guaranteed the whole quality of town road, has reduced noise and dust pollution, is favorable to maintaining urban environment more, reduces the influence to people's work and life.

Drawings

Fig. 1 shows a cross-sectional view of a large-diameter long-distance pipe jacking according to an embodiment of the present invention.

Fig. 2 shows a top view of a large-diameter long-distance pipe jacking according to an embodiment of the present invention.

Fig. 3 shows a top view of a large-diameter long-distance pipe jacking according to an embodiment of the present invention.

In the figure, 1 is an outer pipe, 101 is a small outer pipe, 2 is an inner pipe, 3 is I-shaped steel, 4 is a first bottom plate, 5 is a first buffer layer, 6 is a second buffer layer, 7 is a second bottom plate, 8 is broken stone, and 9 is a steel pipe.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.

The embodiment of the utility model provides a big pipe diameter is apart from push pipe, as shown in fig. 1-3, this big pipe diameter is apart from push pipe includes outer tube 1 and inner tube 2, outer tube 1 is connected through a plurality of I-shaped steel 3 inner tube 2, outer tube 1 includes a plurality of little outer tubes 101, a plurality of little outer tubes 101 fixed connection form integratively, 2 inboard upper portions of inner tube are provided with at least one steel pipe 9 and support, 2 inboard lower part top-down of inner tube are fixed in proper order and are provided with first bottom plate 4, first buffer layer 5, second buffer layer 6 and second bottom plate 7 pack rubble 8 between first buffer layer 5 and the second buffer layer 6.

In the embodiment, by the design of the double pipes, the overall bearing capacity is increased, and the outer pipes 1 formed by fixedly connecting the small outer pipes 101 into a whole can increase the contact area with the soil surface, so as to effectively reduce the pressure. And the inner pipe 2 is not only provided with a plurality of steel pipes 9 for supporting, but also provided with a first bottom plate 4, a first buffer layer 5, a second buffer layer 6 and a second bottom plate 7, and gravels 8 are filled between the first buffer layer 5 and the second buffer layer 6, so that the integral bearing capacity is further improved, a sufficient condition is created for prolonging the one-time jacking distance of pipe jacking construction, the engineering quantity is effectively reduced, the comprehensive cost is reduced, and the construction period is shortened.

It should be noted that the fixed connection mode of each small outer tube 101 may be selected from welding. The steel pipe 9 and the inner side wall of the inner pipe 2 can be connected by selective welding. The way of filling the crushed stones 8 between the first buffer layer 5 and the second buffer layer 6 includes, but is not limited to, filling the crushed stones 8 after the first base plate 4 and the first buffer layer 5 are constructed, and further constructing the second buffer layer 6 and the second base plate 7.

In some embodiments, the first bottom plate 4 and the second bottom plate 7 are selected to be reinforced concrete bottom plates. It is understood that the first bottom plate 4 and the second bottom plate 7 can also be implemented as bottom plates made of other materials, including but not limited to steel plates, etc., and the embodiment is not limited thereto.

In some embodiments, the first buffer layer 5 and the second buffer layer 6 are selected to be plain concrete layers. It is understood that the first buffer layer 5 and the second buffer layer 6 may also be made of other materials, for example, asphalt or rubber may be selected, and the embodiment is not limited in this respect.

In some embodiments, as shown in fig. 2, the inner tube 2 has a rectangular parallelepiped shape. When the inner tube 2 is rectangular, the number of the steel tubes 9 is four, and each steel tube 9 is connected with two adjacent sides of the inner tube 2.

In some embodiments, as shown in fig. 3, the inner tube is cylindrical. When the inner tube 2 is provided in a cylindrical shape, four steel tubes 9 are provided, and two steel tubes 9 are provided as a pair, each pair being symmetrical with respect to the axis of the inner tube 2.

In conclusion, according to the utility model discloses a big pipe diameter is long apart from push pipe, through setting up the push pipe into inner tube 2 and outer tube 1, a plurality of I-shaped steel 3 with inner tube and outer union coupling to guarantee the structural strength of whole long tube, the steel pipe 9 that cooperates simultaneously and set up in the inner tube 2 supports and first bottom plate 4, first buffer layer 5, second buffer layer 6 and second bottom plate 7, avoids big pipe diameter pipeline fracture to destroy, reduces the potential safety hazard. The utility model discloses can prolong the pipe jacking construction and once push up the distance, reducible engineering volume, the comprehensive cost is low, and construction cycle is short, does not interrupt the traffic during the construction, has fully guaranteed the whole quality of town road, has reduced noise and dust pollution, is favorable to maintaining urban environment more, reduces the influence to people's work and life.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims (7)

1. The large-diameter long-distance jacking pipe is characterized by comprising an outer pipe and an inner pipe, wherein the outer pipe is connected with the inner pipe through a plurality of I-shaped steels, the outer pipe comprises a plurality of small outer pipes, the small outer pipes are fixedly connected into a whole, at least one steel pipe support is arranged on the upper portion of the inner side of the inner pipe, a first bottom plate, a first buffer layer, a second buffer layer and a second bottom plate are fixedly arranged on the lower portion of the inner side of the inner pipe from top to bottom in sequence, and broken stones are filled between the first buffer layer and the second buffer layer.

2. The large-caliber long-distance jacking pipe as claimed in claim 1, wherein the first bottom plate and the second bottom plate are both reinforced concrete bottom plates.

3. The large-diameter long-distance jacking pipe as claimed in claim 1, wherein said first buffer layer and said second buffer layer are both plain concrete layers.

4. The large-diameter long-distance jacking pipe as claimed in claim 1, wherein said inner pipe has a rectangular parallelepiped shape.

5. The large-diameter long-distance jacking pipe as claimed in claim 4, wherein said number of said steel pipes is four, and each of said steel pipes is connected to two adjacent sides of said inner pipe.

6. The large-diameter long-distance jacking pipe as claimed in claim 1, wherein said inner pipe is cylindrical.

7. The large-diameter long-distance jacking pipe as claimed in claim 6, wherein said steel pipes are arranged in four, two steel pipes are paired, and each pair is symmetrical about the axial center of said inner pipe.

Images