Jacking device for building pipe jacking construction

Abstract

The utility model relates to the technical field of building pipe-jacking construction, in particular to a jacking device for building pipe-jacking construction, which comprises a first support frame, a push rod cover frame is fixedly connected to the surface of the first support frame, a push rod control frame is fixedly connected to one end of the push rod cover frame, and a first contraction seat is fixedly connected to the other end of the push rod cover frame. An electric push rod is arranged in the push rod control frame, and one end of the first supporting frame is fixedly connected with a second supporting frame. Through the arrangement of the first supporting frame, the push rod cover frame, the push rod control frame, the first shrinkage base, the electric push rod, the second shrinkage base, the first annular air bag, the first limiting ring, the air control pipe, the second annular air bag, the second limiting ring and the jacking base, the equipment can conduct jacking and butt joint operation more adaptively when building pipe jacking construction is conducted; in the actual using process, a worker firstly places the whole building jacking pipe needing jacking construction between the first shrinkage base and the second shrinkage base.

Description

Technical Field

[0001] This utility model relates to the field of building pipe jacking construction technology, specifically a jacking device for building pipe jacking construction. Background Technology

[0002] Pipe jacking is a trenchless construction method, a technology for laying pipelines without excavation or with minimal excavation. In pipe jacking, the jacking force generated by the jacking equipment in the working pit overcomes the friction between the pipeline and the surrounding soil, pushing the pipeline into the soil at the designed slope, and then removing the excavated soil. After one section of the pipe is pushed into the soil, the second section is pushed in to continue jacking. The principle is to use the thrust of the main jacking cylinder and the pipeline and intermediate sections to push the tool pipe or tunneling machine from the working pit through the soil layer to the receiving pit and lift it out. The pipeline follows the tool pipe or tunneling machine and is buried between the two pits.

[0003] For example, patent document CN 222011129 U discloses a jacking device for pipe jacking construction in building engineering. It includes an adjustable support fixedly installed at the bottom of the working shaft, with the jacking iron and jacking pipe mounted on the adjustable support. The adjustable support includes a support base plate, a support rod, and two guide rails, along which the jacking iron and jacking pipe slide. A jacking assembly is fixedly installed on one side of the working shaft. The jacking assembly includes a back plate fixedly connected to the side wall of the working shaft, a fixed bracket fixedly installed at the front end of the back plate, an adjusting bracket slidably installed on the fixed bracket, a support block installed on the adjusting bracket, a jacking hydraulic cylinder mounted on the support block, and an adjusting hydraulic cylinder installed between the fixed bracket and the adjusting bracket. The adjusting hydraulic cylinder can drive the adjusting bracket to slide vertically on the fixed bracket. This device can fine-tune the height of the jacking pipe and can also be adjusted according to the size and position of different jacking pipes, exhibiting good versatility, ensuring the stability and uniformity of the force applied to the jacking pipe, and possessing strong practicality.

[0004] However, in actual use, due to its own structural limitations, this structure can only perform more stable limiting and docking operations during building pipe jacking construction, and cannot guarantee the stability of pipe docking. At the same time, the equipment cannot perform more suitable conveying operations for pipe jacking, and cannot meet the daily use needs. Therefore, it is urgent to design a jacking device for building pipe jacking construction to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a jacking device for building pipe jacking construction, so as to solve the problem mentioned in the background art that, due to the limitations of its own structure, the existing structure can only perform more stable limiting docking operations during building pipe jacking construction, and cannot guarantee the stability of the pipe body docking. At the same time, the equipment cannot perform more suitable conveying operations for jacking pipes, and cannot meet the daily use needs.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a jacking device for building pipe jacking construction, comprising a first support frame, a push rod cover fixedly connected to the surface of the first support frame, a push rod control frame fixedly connected to one end of the push rod cover, a first retraction seat fixedly connected to the other end of the push rod cover, and an electric push rod provided inside the push rod control frame;

[0007] The second support frame is fixedly connected to one end of the first support frame, and a second shrink seat is fixedly connected to one end of the second support frame. A conveying ring seat is fixedly connected to one end of the second shrink seat.

[0008] Preferably, the surface of the second support frame is provided with conveying rollers, and the inner wall of the conveying ring seat is provided with conveying balls on all four sides.

[0009] Preferably, the inner wall of the second retractable seat is provided with a first annular airbag, and the inner wall of the first annular airbag is provided with a first limiting ring.

[0010] Preferably, an air control tube is provided between the first contraction seat and the second contraction seat.

[0011] Preferably, a second annular airbag is provided at one end of the first retractable seat, and a second limiting ring is provided at one end of the second annular airbag.

[0012] Preferably, one end of the electric push rod is fixedly connected to a top connector, and a protective rubber sleeve is provided on the back of the top connector.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This jacking device for pipe jacking construction, through its components including a first support frame, push rod cover frame, push rod control frame, first retraction seat, electric push rod, second retraction seat, first annular airbag, first limiting ring, air control pipe, second annular airbag, second limiting ring, jacking seat, and protective sleeve, allows for a more suitable jacking and docking operation during pipe jacking construction. In actual use, the operator first places the entire pipe to be jacked between the first and second retraction seats, and then simultaneously inflates and deflates the first and second retraction seats through the air control pipe. This causes the first ring airbag inside the second contraction seat to contract at the first limiting ring, limiting one end of the jacking pipe. At the same time, the second ring airbag at the first contraction seat also connects the second limiting ring at one end to the other end of the jacking pipe, thus limiting the jacking pipe between the first and second contraction seats. Simultaneously, the electric push rod inside the push rod control frame is activated, causing its one end to connect to the other end of the building jacking pipe. With the help of the protective rubber sleeve, a stable limiting and ejection operation is performed. The first limiting ring can also be fitted and limited against the side of the jacking pipe through the first ring airbag, demonstrating the practicality of the equipment design.

[0015] This jacking device for pipe jacking construction further improves the overall performance of the equipment through the installation of a first support frame, a second support frame, a second contraction seat, a conveying ring seat, conveying rollers, and conveying balls. In daily use, after the pipe is placed between the first and second contraction seats, the bottom of the pipe can be placed on the conveying rollers on the surface of the second support frame. When the pipe is jacked by the jacking seat, it can be stably supported and conveyed along the conveying rollers. Furthermore, the pipe can enter the interior of the second contraction seat and the conveying ring seat, and is limited and rolled by the conveying balls on the four sides of the inner wall of the conveying ring seat, ensuring the stability of the pipe connection and demonstrating the comprehensiveness of the equipment design. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0017] Figure 2 This is an overall schematic diagram of the structure of the second shrink seat and the conveying ring seat of this utility model;

[0018] Figure 3 This is a split view schematic diagram of the push rod cover structure of this utility model;

[0019] Figure 4 This utility model Figure 1 An enlarged schematic diagram of the structure at point A in the middle.

[0020] In the diagram: 1. First support frame; 2. Push rod cover frame; 3. Push rod control frame; 4. First retraction seat; 5. Electric push rod; 6. Second support frame; 7. Second retraction seat; 8. Conveying ring seat; 9. Conveying roller; 10. Conveying ball; 11. First ring airbag; 12. First limiting ring; 13. Air control pipe; 14. Second ring airbag; 15. Second limiting ring; 16. Top connector; 17. Protective rubber sleeve. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 One embodiment provided by this utility model:

[0023] A jacking device for pipe jacking construction includes a first support frame 1. A push rod cover 2 is fixedly connected to the surface of the first support frame 1. A push rod control frame 3 is fixedly connected to one end of the push rod cover 2, and a first retraction seat 4 is fixedly connected to the other end of the push rod cover 2. An electric push rod 5 is installed inside the push rod control frame 3. A second annular airbag 14 is installed at one end of the first retraction seat 4, and a second limiting ring 15 is installed at one end of the second annular airbag 14. A top-connecting seat 16 is fixedly connected to one end of the electric push rod 5, and a protective rubber sleeve 17 is installed on the back of the top-connecting seat 16. By controlling the air pipe 13 to simultaneously inflate and deflate the first retraction seat 4 and the second retraction seat 7, the first annular airbag 11 inside the second retraction seat 7 retracts at the first limiting ring 12, limiting one end of the jacking pipe. At the same time, the second retraction seat 4 also uses the second annular airbag 14 to abut the second limiting ring 15 at one end to the other end of the jacking pipe, thereby limiting the jacking pipe between the first retraction seat 4 and the second retraction seat 7.

[0024] The second support frame 6 is fixedly connected to one end of the first support frame 1. The second support frame 6 is fixedly connected to one end of the surface of the second support frame 6. The second shrink seat 7 is fixedly connected to one end of the second shrink seat 7. The conveying ring seat 8 is fixedly connected to one end of the second shrink seat 6. The surface of the second support frame 6 is provided with a conveying roller 9. The inner wall of the conveying ring seat 8 is provided with conveying balls 10 on all four sides. The inner wall of the second shrink seat 7 is provided with a first ring airbag 11. The inner wall of the first ring airbag 11 is provided with a first limiting ring 12. An air control pipe 13 is provided between the first shrink seat 4 and the second shrink seat 7. When the building jacking pipe is placed between the first shrink seat 4 and the second shrink seat 7, its bottom can be placed at the conveying roller 9 on the surface of the second support frame 6. Then, when the building jacking pipe is abutted by the top contact seat 16, it can be stably supported and conveyed along the conveying roller 9.

[0025] Working principle: During use, the operator first places the entire jacking pipe to be jacked between the first contraction seat 4 and the second contraction seat 7. Then, through the air control pipe 13, the operator simultaneously inflates and deflates the first contraction seat 4 and the second contraction seat 7. This causes the first ring airbag 11 inside the second contraction seat 7 to contract at the first limiting ring 12, limiting one end of the jacking pipe. At the same time, the second ring airbag 14 at the first contraction seat 4 connects one end of the second limiting ring 15 to the other end of the jacking pipe, thus limiting the jacking pipe between the first contraction seat 4 and the second contraction seat 7. Simultaneously, the electric push rod 5 inside the push rod control frame 3 is activated, causing one end of the push rod to connect to the other end of the jacking pipe via the push rod 16. The end, in conjunction with the protective rubber sleeve 17, performs a stable limiting ejection operation. The first limiting ring 12 can also perform a fitting and limiting operation with the side of the jacking pipe through the first ring airbag 11. In daily use, when the building jacking pipe is placed between the first shrink seat 4 and the second shrink seat 7, the bottom of it can be placed at the conveying roller 9 on the surface of the second support frame 6. Then, when the building jacking pipe is pushed by the top connecting seat 16, it can perform a stable support and conveying operation along the conveying roller 9. Secondly, the building jacking pipe can enter the interior of the second shrink seat 7 and the conveying ring seat 8, and perform a limiting rolling operation through the conveying balls 10 on the four sides of the inner wall of the conveying ring seat 8 to ensure the stability of the building jacking pipe connection. The above is the complete working principle of this utility model.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A jacking device for pipe jacking construction, comprising a first support frame (1), characterized in that: A push rod cover (2) is fixedly connected to the surface of the first support frame (1). A push rod control frame (3) is fixedly connected to one end of the push rod cover (2). A first retraction seat (4) is fixedly connected to the other end of the push rod cover (2). An electric push rod (5) is provided inside the push rod control frame (3). The second support frame (6) is fixedly connected to one end of the first support frame (1), and a second shrink seat (7) is fixedly connected to one end of the second support frame (6), and a conveying ring seat (8) is fixedly connected to one end of the second shrink seat (7).

2. The jacking device for pipe jacking construction according to claim 1, characterized in that: The surface of the second support frame (6) is provided with a conveying roller (9), and the four sides of the inner wall of the conveying ring seat (8) are provided with conveying balls (10).

3. The jacking device for pipe jacking construction according to claim 1, characterized in that: The inner wall of the second retractable seat (7) is provided with a first ring airbag (11), and the inner wall of the first ring airbag (11) is provided with a first limiting ring (12).

4. A jacking device for pipe jacking construction according to claim 1, characterized in that: An air control tube (13) is provided between the first contraction seat (4) and the second contraction seat (7).

5. A jacking device for pipe jacking construction according to claim 1, characterized in that: The first retractable seat (4) is provided with a second ring airbag (14) at one end, and a second limiting ring (15) is provided at one end of the second ring airbag (14).

6. A jacking device for pipe jacking construction according to claim 1, characterized in that: One end of the electric push rod (5) is fixedly connected to a top connector (16), and a protective rubber sleeve (17) is provided on the back of the top connector (16).

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