Anti-streaming iron sheet fixing structure at underground diaphragm wall H-shaped steel joint

Abstract

The utility model relates to the technical field of engineering for strengthening the turbulent flow preventing effect of joints between underground diaphragm walls, in particular to a streaming-around-preventing iron sheet fixing structure at an H-shaped steel joint of an underground diaphragm wall. The utility model provides an anti-streaming iron sheet fixing structure at an underground diaphragm wall H-shaped steel joint. The anti-streaming iron sheet fixing structure comprises an iron sheet pressing pipe, a restraining steel bar, a steel bar gathering steel plate, a fixing assembly, a mounting assembly, a connecting assembly, an adjusting assembly and a fastening assembly. The anti-streaming effect of the underground diaphragm wall is enhanced, the anti-streaming iron sheet is stabilized through the restraining steel bars in the bamboo leaf shape, damage to the iron sheet in the hoisting process is effectively prevented, the iron sheet is innovatively fixed through the DN40 * 2 mm iron sheet pressing pipe instead of a traditional pressing rib, gaps are tightly filled through the pipe wall of the steel pipe, the efficient leaking stoppage effect is achieved, and the anti-streaming effect of the underground diaphragm wall is improved. And in the concrete pouring process, the design can remarkably improve the streaming prevention performance, and the construction quality and safety are ensured.

Description

Technical Field

[0001] The utility model relates to the engineering technical field of strengthening the anti-turbulence effect at the joints of diaphragm walls, in particular to a fixing structure for anti-flow-around iron sheets at the H-shaped steel joints of diaphragm walls. Background Technique

[0002] Compared with the same type of structures, the diaphragm wall retaining structure shows higher work efficiency, shorter construction period, more reliable quality and more remarkable economic benefits. Its wall has strong stiffness. As a soil retaining structure in foundation pit excavation, it can effectively cope with huge earth pressure, greatly reducing the occurrence of foundation settlement or collapse accidents. In the actual use process, the diaphragm wall is composed of many wall segments, and concrete turbulence problems are likely to occur at the joints between the segments. If the joints are not ideal, leakage is likely to occur. Moreover, during the construction hoisting process, the anti-turbulence iron sheet is prone to open in advance and be damaged. Content of the Utility Model

[0003] In order to overcome the problems in the process of using the project of strengthening the anti-turbulence effect at the joints of diaphragm walls, the diaphragm wall is composed of many wall segments, and concrete turbulence problems are likely to occur at the joints between the segments. If the joints are not ideal, leakage is likely to occur. Moreover, during the construction hoisting process, the anti-turbulence iron sheet is prone to open in advance and be damaged.

[0004] The technical solution of the utility model is: a fixing structure for anti-flow-around iron sheets at the H-shaped steel joints of diaphragm walls, which includes an iron sheet pressing pipe, a restraining steel bar, a converging steel bar collective steel plate, a fixing component, an installation component, a connecting component, an adjusting component and a fastening component; a converging steel bar collective steel plate is arranged on the side wall of the iron sheet pressing pipe, a fixing component is arranged on the side wall of the converging steel bar collective steel plate, a restraining steel bar is arranged outside the fixing component, an installation component is arranged on the side wall of the iron sheet pressing pipe, a connecting component is arranged on the side wall of the installation component, an adjusting component is arranged inside the connecting component, and a fastening component is arranged on the side wall of the adjusting component.

[0005] Preferably, the present invention aims to enhance the anti-flow-around effect of the diaphragm wall. The anti-flow-around iron sheet is stabilized by the "bamboo leaf" shaped restraining steel bar, effectively preventing the damage of the iron sheet during the hoisting process. And it innovatively uses a DN40*2mm iron sheet pressing pipe to replace the traditional rib to fix the iron sheet, and the pipe wall of the steel pipe tightly fills the gap to achieve an efficient leak-proof effect, thus avoiding the backfill gravel from infiltrating into the inside of the diaphragm wall. During the process of pouring concrete, this design can significantly improve the anti-flow-around performance and ensure the construction quality and safety.

[0006] Preferably, the fixing component includes a fixing hole and an expansion bolt; a fixing hole is formed inside the converging steel bar assembly steel plate, and an expansion bolt is arranged inside the fixing hole; the "bamboo leaf" shaped restraining steel bar applies a rigid force to the steel bar through the tightened expansion bolt, making it restrictive, and can maintain the plasticity of the anti-flow-around iron sheet during the hoisting and slotting stages to avoid damage.

[0007] Preferably, the installation component includes an installation block and an installation surface; installation blocks are arranged on the side wall of the iron sheet pressing pipe, multiple groups of installation blocks are provided, and an installation surface is arranged on the side wall of the installation block; the connection component can be installed and fixed through multiple groups of installation blocks.

[0008] Preferably, the connection component includes a connection block and a connection hole; connection blocks are arranged on the side wall of the installation surface, two groups of connection blocks are provided, and a connection hole is formed inside the connection block; the adjustment component can be installed and fixed through the connection block.

[0009] Preferably, the adjustment component includes an adjustment shaft and a scroll spring; the adjustment shaft is arranged inside the connection hole, scroll springs are arranged at both ends of the adjustment shaft, and one end of the scroll spring is fixedly connected to one end of the adjustment shaft; according to the resilience generated by the elastic deformation of the scroll spring, the scroll spring can drive the adjustment component to adjust and reset through the adjustment shaft.

[0010] Preferably, the adjustment component further includes an adjustment block; the other end of the scroll spring is fixedly connected to the inner wall of the connection hole, and an adjustment block is arranged outside the adjustment shaft; the adjustment block can be rotationally adjusted through the adjustment shaft.

[0011] Preferably, the fastening component includes a fastening threaded hole and a mounting plate; a mounting plate is arranged on one side of the adjustment block, a fastening threaded hole is formed inside the mounting plate, and two groups of fastening threaded holes are provided; the mounting plate and the mounting end face can be tightly installed through the fastening component.

[0012] Preferably, the fastening component further includes a fastening nut and a fastening bolt; the fastening bolt is arranged inside the fastening threaded hole, the fastening bolt is in threaded connection with the fastening threaded hole, a fastening nut is arranged at one end of the fastening bolt, and the fastening nut is in threaded connection with the fastening bolt; by inserting the fastening bolt into the inside of the fastening threaded hole and then installing the fastening nut at one end of the fastening bolt, the mounting plate and the mounting end face can be tightly installed.

[0013] The beneficial effects of the present utility model:

[0014] 1. The present invention aims to enhance the anti-bypass effect of the diaphragm wall. By using "bamboo leaf"-shaped restraint steel bars to stabilize the anti-bypass iron sheet, it effectively prevents the damage of the iron sheet during the hoisting process. And it innovatively uses a DN40*2mm iron sheet pressing pipe to replace the traditional ribbing to fix the iron sheet, and utilizes the pipe wall of the steel pipe to tightly fill the gap to achieve an efficient leak plugging effect, thereby preventing the backfilled gravel from infiltrating into the interior of the diaphragm wall. During the process of pouring concrete, this design can significantly improve the anti-bypass performance and ensure the construction quality and safety. The "bamboo leaf"-shaped restraint steel bars apply a rigid force to the steel bars through tightening expansion bolts, making them restrictive, and can maintain the plasticity of the anti-bypass iron sheet during the hoisting and slotting stages to avoid damage. Description of the Drawings

[0015] Figure 1 Shown is a first three-dimensional structural schematic diagram of a fixing structure for the anti-bypass iron sheet at the H-shaped steel joint of the diaphragm wall of the present utility model;

[0016] Figure 2 Shown is a first partial three-dimensional structural schematic diagram of a fixing structure for the anti-bypass iron sheet at the H-shaped steel joint of the diaphragm wall of the present utility model;

[0017] Figure 3 Shown is a second partial three-dimensional structural schematic diagram of a fixing structure for the anti-bypass iron sheet at the H-shaped steel joint of the diaphragm wall of the present utility model;

[0018] Figure 4 Shown is a third partial three-dimensional structural schematic diagram of a fixing structure for the anti-bypass iron sheet at the H-shaped steel joint of the diaphragm wall of the present utility model;

[0019] Description of the reference numerals: 1. Iron sheet pressing pipe; 2. Restraint steel bar; 3. Converging steel bar assembly steel plate; 101. Fixing hole; 102. Expansion bolt; 201. Installation block; 202. Installation surface; 301. Connection block; 302. Connection hole; 401. Adjusting shaft; 402. Volute spring; 403. Adjusting block; 501. Tightening threaded hole; 502. Installation plate; 503. Tightening nut; 504. Tightening bolt. Detailed implementation manners

[0020] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0021] Please refer to Figure 1, the present utility model provides an embodiment: a fixing structure for preventing flow-around iron sheet at the H-shaped steel joint of a diaphragm wall, which includes an iron sheet pressing pipe 1, a constraint steel bar 2, a converging steel bar collective steel plate 3, a fixing component, an installation component, a connection component, an adjustment component and a fastening component; a converging steel bar collective steel plate 3 is arranged on the side wall of the iron sheet pressing pipe 1, a fixing component is arranged on the side wall of the converging steel bar collective steel plate 3, a constraint steel bar 2 is arranged outside the fixing component, an installation component is arranged on the side wall of the iron sheet pressing pipe 1, a connection component is arranged on the side wall of the installation component, an adjustment component is arranged inside the connection component, and a fastening component is arranged on the side wall of the adjustment component.

[0022] Please refer to Figure 2 , the fixing component includes a fixing hole 101 and an expansion bolt 102; a fixing hole 101 is opened inside the converging steel bar collective steel plate 3, and an expansion bolt 102 is arranged inside the fixing hole 101; the "bamboo leaf"-shaped constraint steel bar 2 applies a rigid force to the steel bar through the tightened expansion bolt 102, making it have restraint, and can maintain the plasticity of the flow-around prevention iron sheet during the hoisting and slotting stages to avoid damage; the installation component includes an installation block 201 and an installation surface 202; an installation block 201 is arranged on the side wall of the iron sheet pressing pipe 1, multiple groups of installation blocks 201 are arranged, and an installation surface 202 is arranged on the side wall of the installation block 201; the connection component can be installed and fixed through multiple groups of installation blocks 201; the connection component includes a connection block 301 and a connection hole 302; a connection block 301 is arranged on the side wall of the installation surface 202, two groups of connection blocks 301 are arranged, and a connection hole 302 is opened inside the connection block 301; the adjustment component can be installed and fixed through the connection block 301.

[0023] Please refer to Figures 3 - 4, in this embodiment, the adjusting assembly includes an adjusting shaft 401 and a scroll spring 402; the adjusting shaft 401 is arranged inside the connecting hole 302, and scroll springs 402 are arranged at both ends of the adjusting shaft 401, and one end of the scroll spring 402 is fixedly connected to one end of the adjusting shaft 401; according to the restoring force generated by the elastic deformation of the scroll spring 402, the scroll spring 402 can drive the adjusting assembly to adjust and reset through the adjusting shaft 401; the adjusting assembly further includes an adjusting block 403; the other end of the scroll spring 402 is fixedly connected to the inner wall of the connecting hole 302, and the adjusting block 403 is arranged outside the adjusting shaft 401; the adjusting block 403 can be rotationally adjusted through the adjusting shaft 401; the fastening assembly includes a fastening threaded hole 501 and a mounting plate 502; a mounting plate 502 is arranged on one side of the adjusting block 403, and a fastening threaded hole 501 is opened inside the mounting plate 502, and two groups of fastening threaded holes 501 are opened; the mounting plate 502 can be firmly mounted to the mounting end face through the fastening assembly; the fastening assembly further includes a fastening nut 503 and a fastening bolt 504; the fastening bolt 504 is arranged inside the fastening threaded hole 501, the fastening bolt 504 is in threaded connection with the fastening threaded hole 501, a fastening nut 503 is arranged at one end of the fastening bolt 504, and the fastening nut 503 is in threaded connection with the fastening bolt 504; by inserting the fastening bolt 504 into the inside of the fastening threaded hole 501 and then mounting the fastening nut 503 to one end of the fastening bolt 504, the mounting plate 502 can be firmly mounted to the mounting end face.

[0024] The present invention aims to enhance the anti-bypass effect of the diaphragm wall. The anti-bypass iron sheet is stabilized by the restraint steel bars 2 in the shape of "bamboo leaves", effectively preventing the damage of the iron sheet during the hoisting process.

[0025] And innovatively, a DN40*2mm iron sheet pressing pipe 1 is used to replace the traditional ribbing to fix the iron sheet. The pipe wall of the steel pipe tightly fills the gap, achieving an efficient leak plugging effect, thereby preventing the backfilled gravel from infiltrating into the inside of the diaphragm wall.

[0026] During the process of pouring concrete, this design can significantly improve the anti-bypass performance, ensuring the construction quality and safety.

[0027] The "bamboo leaf"-shaped restraint steel bars 2 apply a rigid force to the steel bars through the tightening expansion bolts 102, making them restrictive, and being able to maintain the plasticity of the anti-bypass iron sheet during the hoisting and slotting stages to avoid damage.

[0028] Through the above steps, the present invention aims to enhance the anti-seepage effect of the diaphragm wall. The anti-seepage iron sheet is stabilized by the constraint steel bars 2 in the shape of bamboo leaves, effectively preventing the damage of the iron sheet during the hoisting process. And innovatively, the iron sheet pressing pipe 1 of DN40*2mm is used to replace the traditional ribbing to fix the iron sheet. The pipe wall of the steel pipe tightly fills the gap, achieving an efficient leak plugging effect, thus avoiding the backfill gravel from seeping into the interior of the diaphragm wall. During the process of pouring concrete, this design can significantly improve the anti-seepage performance, ensuring the construction quality and safety.

[0029] The above has described in detail the embodiments of the present utility model in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can also be made without departing from the gist of the present utility model.

Claims

1. A sheet metal fixing structure for preventing bypass flow at a joint of an H-shaped steel in a ground-connected wall, comprising a sheet metal pressing pipe (1); characterized in that: It also includes a restraining steel bar (2), a steel plate for gathering the steel bars (3), a fixing assembly, an installation assembly, a connecting assembly, an adjusting assembly and a fastening assembly; a steel plate for gathering the steel bars (3) is arranged on the side wall of the iron sheet pressing tube (1), a fixing assembly is arranged on the side wall of the steel plate for gathering the steel bars (3), a restraining steel bar (2) is arranged outside the fixing assembly, a mounting assembly is arranged on the side wall of the iron sheet pressing tube (1), a connecting assembly is arranged on the side wall of the mounting assembly, an adjusting assembly is arranged inside the connecting assembly, and a fastening assembly is arranged on the side wall of the adjusting assembly.

2. The anti-circumvention iron sheet fixing structure at the H-shaped steel joint of the ground-connected wall according to claim 1 is characterized by: The fixing assembly comprises a fixing hole (101) and an expansion bolt (102); the fixing hole (101) is opened inside the steel strip assembly steel plate (3), and the expansion bolt (102) is arranged inside the fixing hole (101).

3. The anti-circumvention iron sheet fixing structure at the H-shaped steel joint of the ground-connected wall according to claim 1 is characterized by: The mounting assembly comprises a mounting block (201) and a mounting surface (202); the mounting block (201) is arranged on the side wall of the iron sheet press tube (1), a plurality of groups of the mounting blocks (201) are arranged, and the mounting surface (202) is arranged on the side wall of the mounting block (201).

4. The anti-circumvention iron sheet fixing structure at the H-shaped steel joint of the ground-connected wall according to claim 1 is characterized by: The connection assembly comprises a connection block (301) and a connection hole (302); the connection block (301) is arranged on the side wall of the installation surface (202), two groups of the connection blocks (301) are arranged, and the connection hole (302) is opened inside the connection block (301).

5. The anti-circumvention iron sheet fixing structure at the H-shaped steel joint of the ground-connected wall according to claim 4 is characterized by: The adjustment component comprises an adjustment shaft (401) and a scroll spring (402); the adjustment shaft (401) is arranged inside the connection hole (302), scroll springs (402) are arranged at both ends of the adjustment shaft (401), and one end of the scroll spring (402) is fixedly connected to one end of the adjustment shaft (401).

6. The anti-circumvention iron sheet fixing structure at the H-shaped steel joint of the ground-connected wall according to claim 1 is characterized by: The adjustment component also includes an adjustment block (403); the other end of the spiral spring (402) is fixedly connected to the inner wall of the connecting hole (302), and the adjustment block (403) is arranged outside the adjustment shaft (401).

7. The anti-circumvention iron sheet fixing structure at the H-shaped steel joint of the ground-connected wall according to claim 6 is characterized by: The fastening assembly comprises a fastening threaded hole (501) and a mounting plate (502); a mounting plate (502) is arranged on one side of the adjusting block (403), a fastening threaded hole (501) is provided inside the mounting plate (502), and two groups of fastening threaded holes (501) are provided.

8. The anti-circumvention iron sheet fixing structure at the H-shaped steel joint of the ground-connected wall according to claim 1 is characterized by: The fastening assembly also includes a fastening nut (503) and a fastening bolt (504); a fastening bolt (504) is arranged inside the fastening threaded hole (501), and the fastening bolt (504) is threadedly connected to the fastening threaded hole (501); a fastening nut (503) is arranged at one end of the fastening bolt (504), and the fastening nut (503) is threadedly connected to the fastening bolt (504).

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