Temporary fixing device convenient to disassemble for underground diaphragm wall steel reinforcement framework

Abstract

The utility model relates to an underground diaphragm wall reinforcement cage temporary fixing device convenient to disassemble, which comprises force transmission draw hook systems, a center-penetrating sleeve system and a pressure-bearing spring, the pressure-bearing spring is assembled on the force transmission draw hook systems, two ends of the center-penetrating sleeve system are respectively connected with the force transmission draw hook systems in a penetrating manner, and the pressure-bearing spring is positioned in the center-penetrating sleeve system. The tension hook systems connected to the two ends of the center penetrating sleeve system are connected with the two layers of reinforcing meshes of the underground diaphragm wall correspondingly. The steel bar fixing device has the advantages that the original mode of welding and fixing steel bars is changed into a temporary fixing device convenient to disassemble, waste of resources such as the steel bars and cutting materials is greatly reduced, the steel bar cutting time is saved due to the detachable structural mode, the working efficiency of workers and hoisting machinery is greatly improved, and the labor intensity of workers is lowered. And meanwhile, potential safety hazards in the installation process of the steel reinforcement framework are greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting a ground-connected wall reinforcement cage, in particular to a temporary fixing device for a ground-connected wall reinforcement frame which is convenient to disassemble. Background Art

[0002] When excavating deep foundation pits for urban rail transit subway stations and buildings, underground continuous walls are widely used for safety production. During the construction of the ground-connected wall, each steel skeleton needs to be processed on the ground and then hoisted and installed in place. In order to ensure the integrity of the steel skeleton during the hoisting process, a large number of tie steel bars must be set between the two layers of main reinforcement mesh. In the conduit area reserved for concrete pouring, the setting of tie steel bars will affect the lowering of the conduit.

[0003] The existing technical practice is to cut the tie steel bars in the conduit area during the lowering of the steel skeleton, resulting in a waste of resources such as steel bars and cutting materials; and the cutting process takes a long time, which reduces the work efficiency of workers and lifting machinery and increases construction costs; at the same time, it prolongs the time that the steel skeleton is in a suspended state, increasing construction safety hazards. Summary of the invention

[0004] The utility model aims to solve the above-mentioned shortcomings of the prior art and provide a temporary fixing device for the steel frame of the ground-connected wall which can not only fix the steel frame but also be quickly disassembled to improve work efficiency and is easy to disassemble.

[0005] The utility model adopts a technical solution to solve its technical problems: this conveniently disassembled temporary fixing device for the steel bar skeleton of the ground-connected wall comprises a force transmission hook system, a through-core sleeve system and a pressure-bearing spring, the pressure-bearing spring being assembled on the force transmission hook system, both ends of the through-core sleeve system being inserted and connected with a force transmission hook system, the pressure-bearing spring being located inside the through-core sleeve system, and the tension hook systems connected at both ends of the through-core sleeve system being respectively connected to the two layers of steel mesh of the ground-connected wall.

[0006] The force transmission hook system comprises a hook, a rod body and a stopper. The two ends of the rod body are provided with a hook and a stopper respectively. The rod body and the hook are bent and formed as one body. The rod body and the stopper are connected and fixed by welding.

[0007] A shift rod is arranged on the rod body, and the shift rod is close to the hook end.

[0008] The bending radius of the hook matches the diameter of the steel bars of the steel bar skeleton.

[0009] The through-core sleeve system comprises a through-core sleeve and a through-core end head, wherein the through-core end head is located at two ends of the through-core sleeve, and the through-core end head is connected to the through-core sleeve via a threaded connection.

[0010] The cross-sectional diameter of the stopper of the force transmission hook system is smaller than the inner diameter of the through-core sleeve, and the diameter of the reserved hole at the sealing end of the through-core end head is larger than the cross-sectional diameter of the rod body and smaller than the cross-sectional diameter of the stopper.

[0011] The inner diameter of the pressure-bearing spring is larger than the cross-sectional diameter of the rod body, and the outer diameter is smaller than the inner diameter of the through-core sleeve.

[0012] The beneficial effects of the utility model are as follows: the structure of the utility model is changed from the original welded fixed steel bars to a temporary fixing device which is easy to disassemble, which greatly saves the waste of resources such as steel bars and cutting materials. The detachable structure saves the steel bar cutting time, greatly improves the work efficiency of workers and lifting machinery, and at the same time greatly reduces the safety hazards in the installation process of the steel bar skeleton. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 3 It is a structural diagram of the force transmission hook system;

[0016] Figure 4 It is a structural diagram of the through-the-core casing system;

[0017] Figure 5 It is a structural diagram of a pressure spring.

[0018] Description of the accompanying drawings: force transmission hook system 1, stopper 2, pressure spring 3, through-core sleeve 4, through-core end 5, stop rod 6, rod body 7, hook 8. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] like Figure 1-2 As shown, this kind of temporary fixing device for the steel bar skeleton of the ground-connected wall, which is easy to disassemble, includes a force transmission hook system 1, a through-tube system and a pressure spring 3. The three parts work together to connect the upper and lower layers of steel mesh of the ground-connected wall to keep the steel skeleton evenly stressed. The pressure spring 3 is assembled on the force transmission hook system 1, and the pressure spring 3 provides the corresponding bearing pressure. Both ends of the through-tube system are connected with a force transmission hook system 1, and the pressure spring 3 is located inside the through-tube system. The tension hook systems 1 connected at both ends of the through-tube system are respectively connected to the two layers of steel mesh of the ground-connected wall, and the tension between the two steel meshes is transmitted through the pressure of the pressure spring. The force transmission hook system 1 is made of plain round steel bars or round steel.

[0021] like Figure 3-5As shown, the force transmission hook system 1 includes a hook 8, a rod body 7 and a stopper 2. The two ends of the rod body 7 are respectively provided with a hook 8 and a stopper 2. The rod body 7 and the hook 8 are bent and formed as a whole. The rod body 7 and the stopper 2 are fixed by welding. The bending radius of the hook 8 matches the diameter of the steel bar of the steel bar skeleton. A stopper 6 is provided on the rod body 7, and the stopper 6 is close to the end of the hook 8. The through-tube system includes a through-tube 4 and a through-tube end 5. The through-tube and the through-tube end are made of the same material model. The through-tube end 5 is located at both ends of the through-tube 4, and the through-tube end 5 is connected to the through-tube 4 by a thread. The cross-sectional diameter of the stopper 2 of the force transmission hook system 1 is smaller than the inner diameter of the through-tube 4, and the diameter of the reserved hole at the sealing end of the through-tube end 5 is larger than the cross-sectional diameter of the rod body 7 and smaller than the cross-sectional diameter of the stopper 2. The inner diameter of the pressure spring 3 is larger than the cross-sectional diameter of the rod body 7, and the outer diameter is smaller than the inner diameter of the through-core sleeve 4. The pressure spring 3 first penetrates the rod body 7 of the force transmission hook system 1, and then the rod body 7 is welded and connected to the stopper 2, and the pressure spring 3 is located inside the through-core sleeve 4. The through-core sleeve 4 is made of a steel pipe, and the length can be made according to the spacing between the ground-connected wall steel meshes.

[0022] The force transmission hooks 1 at both ends of the utility model are respectively connected to the two layers of steel mesh of the ground-connected wall, and the tension between the two steel meshes is transmitted through the pressure-bearing action of the pressure-bearing spring 3. The force transmission hook system and the through-core sleeve system form a force transmission system through the pressure-bearing spring. The parts of the two layers of steel mesh without hooks are effectively fixed by this device.

[0023] The utility model cooperates with permanent tie bars and stand bars to improve the integrity of the ground-connected wall steel bar skeleton during the lifting and installation process, and avoids deformation or even disintegration of the steel cage. During the lowering of the ground-connected wall steel bar cage into the groove, the device will be dismantled for reuse, saving resources while improving construction efficiency and safety. The overall applicability is strong, and the applicable length can be fine-tuned by the number of exposed threads on the threaded sleeve system to adapt to errors in the production process; different lengths of threaded sleeves in the threaded sleeve system can be replaced to adapt to ground-connected walls with different thickness modules.

[0024] In addition to the above embodiments, the present invention may also have other implementations. Any technical solution formed by equivalent replacement or equivalent transformation falls within the protection scope required by the present invention.

Claims

1. A temporary fixing device for a steel bar skeleton of a ground-connected wall which is easy to disassemble, comprising a force transmission hook system (1), a through-core sleeve system and a pressure-bearing spring (3), wherein: The pressure-bearing spring (3) is mounted on the force-transmitting hook system (1), and both ends of the through-tube system are connected with a force-transmitting hook system (1) through an insertion, and the pressure-bearing spring (3) is located inside the through-tube system. The force-transmitting hook systems (1) connected at both ends of the through-tube system are respectively connected to two layers of steel mesh of the ground-connected wall.

2. The easily disassembled temporary fixing device for the ground-connected wall reinforcement frame according to claim 1 is characterized in that: The force transmission hook system (1) comprises a bent hook (8), a rod body (7) and a stopper (2); the two ends of the rod body (7) are provided with a bent hook (8) and a stopper (2) respectively; the rod body (7) and the bent hook (8) are formed as a whole by bending; and the rod body (7) and the stopper (2) are connected and fixed by welding.

3. The easily disassembled temporary fixing device for the ground-connected wall reinforcement frame according to claim 2 is characterized in that: The rod body (7) is provided with a shift rod (6), and the shift rod (6) is close to the end of the hook (8).

4. The easily disassembled temporary fixing device for the ground-connected wall reinforcement frame according to claim 3 is characterized in that: The bending radius of the hook (8) matches the diameter of the steel bars of the steel bar skeleton.

5. The easily disassembled temporary fixing device for the steel bar skeleton of the ground-connected wall according to claim 1, 2, 3 or 4, characterized in that: The through-core sleeve system comprises a through-core sleeve (4) and a through-core end head (5), wherein the through-core end head (5) is located at two ends of the through-core sleeve (4), and the through-core end head (5) is connected to the through-core sleeve (4) via a threaded connection.

6. The easily disassembled temporary fixing device for the ground-connected wall reinforcement frame according to claim 5 is characterized in that: The cross-sectional diameter of the stopper (2) of the force transmission hook system (1) is smaller than the inner diameter of the through-hole sleeve (4), and the diameter of the reserved hole at the sealing end of the through-hole end (5) is larger than the cross-sectional diameter of the rod body (7) and smaller than the cross-sectional diameter of the stopper (2).

7. The easily disassembled temporary fixing device for the ground-connected wall reinforcement frame according to claim 5 is characterized in that: The inner diameter of the pressure-bearing spring (3) is larger than the cross-sectional diameter of the rod body (7), and the outer diameter is smaller than the inner diameter of the through-core sleeve (4).

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