Supporting frame for reinforcing inner pipe during grouting between shield pipes
By designing a support frame with adjustable angle and length, the complex support system adjustment and installation problems in the existing technology are solved, and more flexible and stable drainage pipe support is achieved. It is suitable for shield tunnels in small shield machine construction The drainage pipe is stable.
Patent Information
- Application Number
- CN202420246597.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-01-31
AI Technical Summary
In the construction of small shield machines, the prior art is used to stabilize the cavity between the drainage pipes and the tunnels in the shield tunnel, and there are complex support system adjustment and installation problems, and it is not flexible enough to adapt to the requirements of different angles and lengths.
A support frame consisting of an angle adjustment assembly and a length adjustment assembly is designed to adjust angle through angle adjustment flange, locking screw and locking nut, support threaded rod and adjusting nut to adjust length, and drain on the support pallet and water. A pad is provided between the inner walls of the tube to provide stable support.
It realizes flexible adjustment and stability improvement of the support system, simplifies the installation process, and can better adapt to various drainage pipeline layouts and shield tunnel requirements, ensuring that grouting pressure can be withstanded during grouting.
Smart Images

Figure CN222142416U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to building construction equipment, in particular to a support frame used for reinforcing an inner pipe during grouting between pipes in a shield pipe. Background Art
[0002] In the process of constructing drainage pipe networks with small shield machines, it is usually necessary to continue laying drainage pipes in the shield tunnel to ensure the performance and function of the entire drainage system. However, this kind of drainage pipe laying will cause cavities to form between the drainage pipes and the shield tunnel, and the prior art has some defects in stabilizing these cavities. Usually, grouting is used to stabilize these cavities, but the grouting pressure needs to be withstood during the grouting process, so a reliable support system needs to be set up in the drainage pipe. In the prior art, the adjustment and installation of the support system are relatively complicated, and often require professional workers to operate, and are not flexible enough to adapt to the requirements of different angles and lengths. Summary of the invention
[0003] The purpose of the utility model is to provide a support frame for reinforcing the inner pipe during grouting between pipes in a shield tunnel, and to provide a more effective and flexible drainage pipe support system.
[0004] In order to achieve the above-mentioned purpose, the utility model is implemented according to the following technical scheme:
[0005] The utility model comprises a bracket assembly, an angle adjustment assembly and a length adjustment assembly, wherein the angle adjustment assembly is arranged at the middle part of the bracket assembly, the length adjustment assembly is arranged at the supporting end of the bracket assembly, and the bracket assembly is supported on the inner wall of the drain pipe through the length adjustment assembly.
[0006] The bracket assembly includes a first support rod and a second support rod, the middle sections of the first support rod and the second support rod are connected by the angle adjustment assembly, and a set of the length adjustment assembly is provided at both ends of the first support rod and the second support rod.
[0007] The angle adjustment assembly includes an angle adjustment flange, a locking screw, and a locking nut. The angle adjustment flange is composed of two discs with matching teeth on opposite surfaces. The two sides of the angle adjustment flange are respectively fixedly connected to the middle sections of the first support rod and the second support rod. The locking screw passes through the first support rod, the second support rod and the angle adjustment flange. The locking screw is rotatably connected to the first support rod, the second support rod and the angle adjustment flange. There are two locking nuts, and the two locking nuts are respectively threadedly connected to the two ends of the locking screw.
[0008] The length adjustment assembly includes a supporting threaded rod, an adjusting nut and a supporting plate. The first supporting rod and the second supporting rod are both hollow. One end of the adjusting nut is rotatably connected to the end of the first supporting rod or the second supporting rod. The other end of the adjusting nut is threadedly connected to one end of the supporting threaded rod. The other end of the supporting threaded rod is fixedly connected to the supporting plate. The supporting plate is supported on the inner wall of the drain pipe.
[0009] As an improvement, a cushion block is provided between the support plate and the inner wall of the drain pipe.
[0010] The beneficial effects of the utility model are:
[0011] The utility model is a support frame used for reinforcing the inner pipe during grouting between pipes in a shield tunnel. Compared with the prior art, the utility model has the following technical effects:
[0012] 1. Angle and length adjustable: The utility model includes an angle adjustment component and a length adjustment component, allowing the user to flexibly adjust the angle and length of the support system according to actual needs. This can adapt to various drainage pipeline layouts and shield tunnel requirements.
[0013] 2. Simplified installation: Compared with the prior art, the support system of the utility model is easier to install. By loosening the locking nut, the user can easily adjust the angle of the support system, and then tighten the locking nut to fix the angle. Then, by adjusting the adjusting nut, the support threaded rod is extended or retracted, thereby pushing the support bracket to support the inner wall of the drain pipe.
[0014] 3. Stability of the support system: The support system of the utility model uses pads to provide more stable support, ensuring that the drainage pipe can withstand the grouting pressure during the grouting process, thereby better maintaining the stability of the cavity.
[0015] In summary, the utility model simplifies the installation process of the drainage pipe by providing a support system with adjustable angle and length, while improving the stability of the support system, making it more suitable for drainage network construction and overcoming some defects in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the utility model;
[0017] Figure 2 yes Figure 1 A partial enlarged view of part A;
[0018] Figure 3 It is a structural schematic diagram of another side of the utility model;
[0019] Figure 4It is a schematic diagram of the application state structure of the utility model.
[0020] The first support rod 1, the second support rod 2, the support threaded rod 3, the adjustment nut 4, the support bracket 5, the angle adjustment flange 6, the locking screw 7, the locking nut 8, the drain pipe 9, and the cushion block 10. DETAILED DESCRIPTION
[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. The schematic embodiments and descriptions of the present invention are used to explain the present invention but are not intended to limit the present invention.
[0022] like Figure 1-4 As shown: the utility model includes a bracket assembly, an angle adjustment assembly and a length adjustment assembly, the angle adjustment assembly is arranged at the middle part of the bracket assembly, the length adjustment assembly is arranged at the supporting end of the bracket assembly, and the bracket assembly is supported on the inner wall of the drain pipe 9 through the length adjustment assembly.
[0023] The bracket assembly includes a first support rod 1 and a second support rod 2, the middle sections of the first support rod 1 and the second support rod 2 are connected by the angle adjustment assembly, and a set of the length adjustment assembly is provided at both ends of the first support rod 1 and the second support rod 2.
[0024] The angle adjustment assembly includes an angle adjustment flange 6, a locking screw 7, and a locking nut 8. The angle adjustment flange 6 is composed of two discs with matching teeth on opposite surfaces. The two sides of the angle adjustment flange 6 are respectively fixedly connected to the middle sections of the first support rod 1 and the second support rod 2. The locking screw 7 passes through the first support rod 1, the second support rod 2 and the angle adjustment flange 6. The locking screw 7 is rotatably connected to the first support rod 1, the second support rod 2, and the angle adjustment flange 6. There are two locking nuts 8, and the two locking nuts 8 are respectively threadedly connected to the two ends of the locking screw 7.
[0025] The length adjustment assembly includes a supporting threaded rod 3, an adjusting nut 4 and a supporting plate 5. The first supporting rod 1 and the second supporting rod 2 are both hollow. One end of the adjusting nut 4 is rotatably connected to the end of the first supporting rod 1 or the second supporting rod 2. The other end of the adjusting nut 4 is threadedly connected to one end of the supporting threaded rod 3. The other end of the supporting threaded rod 3 is fixedly connected to the supporting plate 5. The supporting plate 5 is supported on the inner wall of the drain pipe 9.
[0026] As an improvement, a cushion block 10 is provided between the supporting plate 5 and the inner wall of the drain pipe 9 .
[0027] The working principle of the utility model is as follows:
[0028] When the utility model is used, according to actual needs, the locking nut 8 can be loosened to adjust the angle between the first support rod 1 and the second support rod 2, and then the locking nut 8 can be tightened to fix the angle through the teeth in the middle of the angle adjustment flange 6, and then the adjustment nut 4 is adjusted and rotated, and the support threaded rod 3 is threadedly connected with the adjustment nut 4, so that the support threaded rod 3 is extended or retracted to push the support plate 5 and the pad 10 to support the inner wall of the drain pipe 9. In the drain pipe 9, multiple groups of the device of the utility model can be used to support the inner wall of the entire drain pipe 9. The first support rod 1 and the second support rod 2 are adjusted to a straight line shape through the angle adjustment flange 6, which is convenient for transportation or lifting.
[0029] Example:
[0030] The first support rod 1 and the second support rod 2 are made of 48.3x3.6 standard steel pipes, with bolt holes punched through the middle; the angle adjustment flanges 6 are used in pairs, with a diameter of 50mm, one side with teeth for adjustable angle, and each 15° is an adjustment gear, and the other side is a U-shaped groove, with the teeth for adjustable angle surfaces butted against each other, and the U-shaped groove surface fits tightly with the first support rod 1 and the second support rod 2. The locking screw 7 is an M10 screw with a length of 130mm, and the locking nut 8 is a shape that is convenient for direct hand tightening. The locking nut 8 is 30mm thick, and washers with a diameter of 40mm and a thickness of 4mm can be added at both ends when in use. The outer diameter of the support threaded rod 3 is 38mm, the thickness of the support plate 5 is 5mm, and the adjustment nut 4 is a shape that is convenient for direct hand tightening.
[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the invention. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the invention, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A support frame for reinforcing the inner pipe during grouting between pipes in a shield tunnel, characterized in that: It comprises a bracket assembly, an angle adjustment assembly and a length adjustment assembly, wherein the angle adjustment assembly is arranged at the middle part of the bracket assembly, the length adjustment assembly is arranged at the supporting end of the bracket assembly, and the bracket assembly is supported on the inner wall of the drain pipe (9) through the length adjustment assembly.
2. The support frame for reinforcing the inner tube during grouting between the shield tubes according to claim 1 is characterized in that: The bracket assembly comprises a first support rod (1) and a second support rod (2), the middle sections of the first support rod (1) and the second support rod (2) are connected via the angle adjustment assembly, and both ends of the first support rod (1) and the second support rod (2) are provided with a set of length adjustment assemblies.
3. The support frame for reinforcing the inner tube during grouting between pipes in a shield tunnel according to claim 2 is characterized in that: The angle adjustment assembly comprises an angle adjustment flange (6), a locking screw (7), and a locking nut (8); the angle adjustment flange (6) is composed of two discs with matching teeth on opposite surfaces; the two sides of the angle adjustment flange (6) are respectively fixedly connected to the middle sections of the first support rod (1) and the second support rod (2); the locking screw (7) passes through the first support rod (1), the second support rod (2) and the angle adjustment flange (6); the locking screw (7) is rotationally connected to the first support rod (1), the second support rod (2) and the angle adjustment flange (6); there are two locking nuts (8), and the two locking nuts (8) are respectively threadedly connected to the two ends of the locking screw (7).
4. The support frame for reinforcing the inner tube during grouting between tubes in a shield tube according to claim 2 is characterized in that: The length adjustment assembly comprises a supporting threaded rod (3), an adjusting nut (4) and a supporting support plate (5); the first supporting rod (1) and the second supporting rod (2) are both hollow; one end of the adjusting nut (4) is rotatably connected to the end of the first supporting rod (1) or the second supporting rod (2); the other end of the adjusting nut (4) is threadedly connected to one end of the supporting threaded rod (3); the other end of the supporting threaded rod (3) is fixedly connected to the supporting support plate (5); and the supporting support plate (5) is supported on the inner wall of the drain pipe (9).
5. The support frame for reinforcing the inner tube during grouting between shield tubes according to claim 4 is characterized in that: A cushion block (10) is provided between the support plate (5) and the inner wall of the drainage pipe (9).
