CN219712563U

CN219712563U - Reinforced concrete pipe jacking structure

Info

Publication number: CN219712563U
Application number: CN202223056384.8U
Authority: CN
Inventors: 于航; 李智; 惠培佳; 贾志立; 张健
Original assignee: China MCC20 Group Corp Ltd
Current assignee: China MCC20 Group Corp Ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-09-19
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to the technical field of pipeline construction, in particular to a reinforced concrete jacking pipe structure, which comprises the following components: the concrete jacking pipe comprises a concrete jacking pipe body, a lining cylinder body and rib plates; the lining barrel is sleeved in the concrete jacking pipe body, the lining barrel is fixed in the concrete jacking pipe body through expansion bolts, a plurality of rib plates are fixedly arranged on the inner wall of the lining barrel along the length direction of the lining barrel, and the rib plates are uniformly arranged along the inner wall of the lining barrel. Compared with the prior art, the reinforced concrete pipe-jacking structure provided by the utility model can enable the strength of the concrete pipe-jacking to meet the construction requirement, so that pipe-jacking construction can be normally carried out.

Description

Reinforced concrete pipe jacking structure

Technical Field

The utility model relates to the technical field of pipeline construction, in particular to a reinforced concrete jacking pipe structure.

Background

In the construction process, complex geology such as drift stones, waste pile foundations, tree roots and the like exists, so that the conditions of insufficient strength of a certain section of concrete pipeline or rising of jacking force of jacking pipe construction and the like can be occasionally met in the concrete jacking pipe construction process, the strength of the concrete pipeline can not meet the construction requirement, damage signs (such as cracks and the like caused by uneven stress) of the pipeline are easy to appear in the construction process, and difficulty is brought to construction; currently, for this situation, a pipe replacement method is mostly adopted, which inevitably affects the construction efficiency and greatly increases the construction cost.

Disclosure of Invention

Aiming at the problems, the utility model discloses a reinforced concrete pipe jacking structure, which aims to solve the problem that a concrete pipeline is easy to damage in the pipe jacking construction process in the prior art.

A reinforced concrete jacking pipe structure, comprising: the concrete jacking pipe comprises a concrete jacking pipe body, a lining cylinder body and rib plates;

the lining barrel is sleeved in the concrete jacking pipe body, the lining barrel is fixed in the concrete jacking pipe body through expansion bolts, a plurality of rib plates are fixedly arranged on the inner wall of the lining barrel along the length direction of the lining barrel, and the rib plates are uniformly arranged on the inner wall of the lining barrel.

In some of these embodiments, the expansion bolt comprises: screw rod, expansion sleeve and nut;

the screw rod includes first end and with the second end that the first end set up relatively, the expansion sleeve cover is established the first end of screw rod, the nut cover is established the second end of screw rod, just the nut with the screw rod is trapezoidal threaded connection.

In some of these embodiments, the liner cylinder is a steel casing.

In some of these embodiments, the liner cylinder has a thickness of 2 to 3cm.

In some of these embodiments, the rib is a steel plate.

In some of these embodiments, the rib has a thickness of 2 to 3cm.

In some embodiments, the inner wall of the lining cylinder is fixedly provided with 8 rib plates along the length direction of the lining cylinder.

In some of these embodiments, the ribs are welded to the inner wall of the liner cylinder.

Compared with the prior art, the reinforced concrete pipe-jacking structure provided by the utility model can enable the strength of the concrete pipe-jacking to meet the construction requirement, enables pipe-jacking construction to be normally carried out, and is low in cost and easy to operate.

Drawings

The utility model and its features, aspects and advantages will become more apparent from the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers refer to like parts throughout. The drawings may not be to scale, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a schematic structural view of a concrete push pipe reinforcement structure according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a concrete push pipe reinforcement structure in accordance with an embodiment of the present utility model;

fig. 3 is an enlarged partial schematic view of a concrete push pipe reinforcement structure according to an embodiment of the present utility model.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the utility model.

As shown in fig. 1 to 3, the present utility model discloses a reinforced concrete jacking pipe structure, specifically, the reinforced concrete jacking pipe structure comprises: the concrete jacking pipe comprises a concrete jacking pipe body 1, a lining barrel 2 and rib plates 4; the lining barrel 2 is sleeved in the concrete jacking pipe body 1 (the inner diameter of the lining barrel 2 is equal to or slightly smaller than the inner diameter of the concrete jacking pipe body 1, specifically, the difference between the inner diameter of the concrete jacking pipe body 1 and the inner diameter of the lining barrel 2 is smaller than 3 mm), the lining barrel 2 is fixed in the concrete jacking pipe body 1 through the expansion bolts 3, a plurality of rib plates 4 are fixedly arranged on the inner wall of the lining barrel 2 along the length direction of the lining barrel 2, and the rib plates 4 are uniformly arranged along the inner wall of the lining barrel 2.

In a preferred embodiment of the present utility model, the expansion bolt 3 includes: a screw 31, an expansion shell 32 and a nut 33; the screw 31 comprises a first end and a second end opposite to the first end, the expansion sleeve 32 is sleeved at the first end of the screw 31, the nut 33 is sleeved at the second end of the screw 31, and the nut 33 and the screw 31 are in trapezoidal threaded connection; therefore, the screw 31 and the nut 33 are tightly stuck by the conical surface and are not easy to loosen, the tooth root strength is high, and the fixing strength of the expansion bolt 3 is improved.

In a preferred embodiment of the present utility model, the lining cylinder 2 is a steel casing, and the thickness of the lining cylinder 2 is 2-3 cm (for example, 2cm, 2.5cm, 2.6cm or 3cm, etc.), so that the lining cylinder 2 can be relatively easily sleeved and fixed in the concrete pipe, and the purpose of increasing the strength of the concrete pipe-jacking pipe can be achieved.

In a preferred embodiment of the present utility model, the rib 4 is a steel plate, and the rib 4 has a thickness of 2 to 3cm (e.g., 2cm, 2.5cm, 2.6cm, 3cm, etc.); specifically, the rib plates 4 are fixed on the inner wall of the liner cylinder 2 in a full-welded manner, and 8 rib plates 4 are fixedly arranged on the inner wall of the liner cylinder 2 along the length direction of the liner cylinder 2.

The following describes in detail the construction method of the reinforced concrete pipe-jacking structure, wherein the required material equipment: the construction method of the reinforced concrete jacking pipe structure comprises the following steps of:

and step 1, manufacturing a steel protection cylinder with a corresponding size according to the inner diameter of the concrete jacking pipe body to be reinforced, wherein the inner diameter of the steel protection cylinder is equal to or slightly smaller than the inner diameter of the concrete jacking pipe body to be reinforced.

And 2, placing the steel protective cylinder into the concrete jacking pipe body.

And 3, punching holes in the corresponding positions of the steel pile casing and the concrete jacking pipe body by using an electric hammer.

And 4, installing the expansion bolt screw rod in the punched hole on the steel casing and the punched hole on the concrete jacking pipe body, and sleeving an expansion sleeve on the screw rod.

And 5, firmly fixing the steel pile casing and the concrete jacking pipe body by utilizing nuts of expansion bolts, and firmly welding adjacent steel pile casings.

And 6, after the steel pile casing is fixed, 8 rib plates are arranged in the concrete jacking pipe body along the length direction, the rib plates and the steel pile casing are fully welded, and after welding, the pipeline reinforcement is finished.

In summary, the pile casing lining is additionally arranged in the concrete jacking pipe body, the pile casing lining is fixed in the concrete jacking pipe body by utilizing the expansion bolts, and the inner wall of the lining barrel is fixedly provided with the plurality of rib plates along the length direction of the lining barrel, so that the concrete jacking pipe can be effectively reinforced, the jacking pipe construction can be normally carried out, and the reinforced concrete jacking pipe structure has the advantages of low cost and easiness in operation.

Those skilled in the art will understand that the skilled person can implement the modification in combination with the prior art and the above embodiments, and this will not be repeated here. Such modifications do not affect the essence of the present utility model, and are not described herein.

The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or modifications to equivalent embodiments without departing from the scope of the technical solution of the present utility model, using the methods and technical contents disclosed above, without affecting the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A reinforced concrete jacking construction comprising: the concrete jacking pipe comprises a concrete jacking pipe body, a lining cylinder body and rib plates;

2. The reinforced concrete jacking pipe structure of claim 1, wherein said expansion bolts include: screw rod, expansion sleeve and nut;

3. The reinforced concrete jacking pipe structure of claim 1, wherein said liner barrel is a steel casing.

4. The reinforced concrete jacking pipe structure of claim 1, wherein said liner cylinder has a thickness of 2 to 3cm.

5. The reinforced concrete jacking pipe structure of claim 1, wherein said rib is a steel plate.

6. The reinforced concrete jacking pipe structure of claim 1, wherein said rib has a thickness of 2 to 3cm.

7. The reinforced concrete jacking pipe structure as claimed in claim 1, wherein the inner wall of said inner liner cylinder is fixedly provided with 8 said ribs along the length direction of said inner liner cylinder.

8. The reinforced concrete jacking pipe structure of claim 1, wherein said rib is fully welded to the inner wall of said liner cylinder.