Ground working well land-saving rainproof noise reduction device

Abstract

The utility model discloses a land-saving rainproof noise reduction device for a circular working well, which comprises symmetrically arranged crown beams, and cover plates are poured on the tops of the crown beams; supporting beams are connected to the side faces of the cover plates, the bottoms of the supporting beams are in anchoring connection with anchoring welding type steel beams, and the other ends of the anchoring welding type steel beams are in anchoring connection with the underground diaphragm wall. The top of the retaining wall is connected with a fixed pulley; a ground anchor and a winch are arranged at the top of the cover plate, the winch is connected with one end of a steel wire rope, and the other end of the steel wire rope penetrates through the ground anchor, bypasses a fixed pulley on the retaining wall and extends to the retaining wall at the other end; the device solves the problems that in the prior art, a circular working well is prone to being affected by rainwater in the rainy season construction process, and noise is too large in the construction process, and has the advantages of being capable of effectively preventing rain, reducing noise, improving the construction efficiency in the rainy season, effectively improving the utilization rate of a shield construction site, reducing site interference and achieving scientific construction and green construction.

Description

Technical Field

[0001] The utility model relates to the technical field of circular working well foundation pits, in particular to a device for saving land, preventing rain and reducing noise of a circular working well. Background Technique

[0002] With the development of the rail transit industry, the construction of deep foundation pits has gradually developed towards greater burial depth and larger size, and the construction conditions are becoming more and more complex. In existing large-scale projects, there are problems such as deep foundation pit excavation, complex geological conditions, and sensitive environmental impacts. Therefore, it is necessary to design a device for saving land, preventing rain and reducing noise of a circular working well to solve the above problems. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide a device for saving land, preventing rain and reducing noise of a circular working well, which solves the problems that the existing circular working well is easily affected by rain during construction in the rainy season and the noise during construction is too large. It has the characteristics of effectively preventing rain, reducing noise, improving the construction efficiency in the rainy season, effectively improving the utilization rate of the shield construction site, reducing site interference, and realizing scientific construction and green construction.

[0004] To solve the above technical problems, the technical solution adopted by the utility model is: a device for saving land, preventing rain and reducing noise of a circular working well, including symmetrically arranged capping beams, and cover plates are poured on the tops of the capping beams; a support beam is connected to the side of the cover plate, the bottom of the support beam is anchored and connected with an anchored welded steel beam, and the other end of the anchored welded steel beam is anchored and connected with a diaphragm wall; a retaining wall is arranged on the support beam, and a fixed pulley is connected to the top of the retaining wall; a ground anchor and a winch are arranged on the top of the cover plate, one end of the winch is connected with a steel wire rope, the other end of the steel wire rope passes through the ground anchor and then bypasses the fixed pulley on the retaining wall and extends to the retaining wall at the other end.

[0005] Preferably, the cover plate, the support beam and the anchored welded steel beam are anchored and connected by steel plates to form a cover plate support system.

[0006] Preferably, the capping beams and the cover plates are symmetrically arranged in pairs, and the structures above the cover plates on both sides are the same.

[0007] Preferably, multiple fixed pulleys are connected to the top of the retaining wall, the winch is connected with multiple steel wire ropes, and after the multiple steel wire ropes respectively bypass the fixed pulleys, they are connected to the winch on the other side.

[0008] Preferably, a safety net is connected between the multiple steel wire ropes, and a waterproof material or a sound insulation material is laid above the safety net.

[0009] Furthermore, the cover plate concrete adopts C35 concrete and LH300*200*6*10 section steel, and the steel grade is Q235.

[0010] Furthermore, the steel plate is anchored to the foundation concrete by at least four anchor bars.

[0011] Furthermore, double-sided welding is adopted between the contact surfaces of the anchored welded steel beam and the steel plate.

[0012] Furthermore, the ground anchor is arranged on the cover concrete through four connecting and anchoring bars, and the retaining wall is fixed to the fixed pulley anchor bolt.

[0013] The utility model has the following technical effects:

[0014] The land-saving, rain-proof and noise-reducing device provided by the utility model solves the technical problems of low construction efficiency, interference by environmental sensitive factors, improvement of site utilization rate, land saving, etc. during the deep foundation pit construction in a circular working well by setting a retractable sound insulation and waterproof shielding surface, can reduce noise, improve the construction efficiency in rainy seasons, and at the same time can effectively improve the utilization rate of the shield construction site, reduce site interference, and realize scientific construction and green construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The following further describes the utility model in conjunction with the drawings and embodiments:

[0016] Figure 1 is the structural schematic diagram of the utility model;

[0017] Figure 2 is the single-side structural schematic diagram of the utility model;

[0018] Explanation of the reference numerals in the drawings: capping beam 1, cover plate 2, supporting beam 3, diaphragm wall 4, steel plate 5, anchored welded steel beam 6, retaining wall 7, ground anchor 8, fixed pulley 9, winch 10, steel wire rope 11, close-mesh net 12, track beam 13. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] As Figures 1-2 shown, a land-saving, rain-proof and noise-reducing device for a circular working well includes symmetrically arranged capping beams 1, and cover plates 2 are poured on the tops of the capping beams 1; a supporting beam 3 is connected to the side surface of the cover plate 2, the bottom of the supporting beam 3 is fixedly connected to an anchored welded steel beam 6, and the other end of the anchored welded steel beam 6 is fixedly connected to the diaphragm wall 4; a retaining wall 7 is arranged on the supporting beam 3, and a fixed pulley 9 is connected to the top of the retaining wall 7; a ground anchor 8 and a winch 10 are arranged on the top of the cover plate 2, one end of a steel wire rope 11 is connected to the winch 10, the other end of the steel wire rope 11 passes through the ground anchor 8 and then bypasses the fixed pulley 9 on the retaining wall 7 and extends to the retaining wall 7 at the other end.

[0020] Preferably, the cover plate 2, the supporting beam 3 and the anchored welded steel beam 6 are fixedly connected through the steel plate 5 to form a cover plate 2 support system.

[0021] Preferably, the capping beam 1 and the cover plate 2 are both symmetrically arranged in pairs, and the structures above the cover plates 2 on both sides are the same.

[0022] Preferably, multiple fixed pulleys 9 are connected to the top of the retaining wall 7. The winch 10 is connected to multiple steel wire ropes 11. After the multiple steel wire ropes 11 pass around the fixed pulleys 9 one by one, they are connected to the winch 10 on the other side.

[0023] Preferably, a safety net 12 is connected between the multiple steel wire ropes 11, and a waterproof material or a sound insulation material is laid above the safety net 12.

[0024] Furthermore, the concrete of the cover plate 2 is C35 concrete and LH300*200*6*10 steel, and the steel grade is Q235.

[0025] Furthermore, the steel plate is anchored to the foundation concrete by at least four anchor bars.

[0026] Furthermore, double-sided welding is adopted between the contact surfaces of the anchored welded steel beam 6 and the steel plate 5.

[0027] Furthermore, the ground anchor 8 is arranged on the concrete of the cover plate 2 through four connecting anchor bars, and the retaining wall 7 and the fixed pulley 9 are bolt-fixed.

[0028] The working principle of the present utility model is as follows:

[0029] During use, first implement the cover plate concrete 2, the support beam 3 and the retaining wall 9. When the foundation pit is excavated to the bottom of the steel plate 5, the anchored welded steel beam 6 is welded to the steel plate 5; then implement the winch 10 part, and the steel wire rope 11 and the winch 10 part are automatically telescoped through the drive of the motor; during the shield construction stage, when the track beam 13 is fixed by chiseling the cover plate 2 concrete and welding the main reinforcement, the support beam 3 and the steel beam 6 are in a stressed state. After the steel plate 5 is welded, anti-corrosion treatment is performed on the surface.

[0030] The above embodiments are only the preferred technical solutions of the present utility model, and should not be regarded as a limitation to the present utility model. The protection scope of the present utility model should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, the equivalent replacement improvements within this scope are also within the protection scope of the present utility model.

Claims

1. A circular working well ground-saving rainproof and noise reduction device, comprising symmetrically arranged crown beams (1), the tops of which are cast with cover plates (2); characterized in that: A support beam (3) is connected to the side of the cover plate (2); the bottom of the support beam (3) is anchored to an anchored welded steel beam (6); the other end of the anchored welded steel beam (6) is anchored to a ground-connected wall (4); a retaining wall (7) is arranged on the support beam (3); a fixed pulley (9) is connected to the top of the retaining wall (7); a ground anchor (8) and a winch (10) are arranged on the top of the cover plate (2); the winch (10) is connected to one end of a steel wire rope (11); the other end of the steel wire rope (11) passes through the ground anchor (8), bypasses the fixed pulley (9) on the retaining wall (7), and extends to the retaining wall at the other end.

2. A circular working well ground-saving rainproof and noise reduction device according to claim 1, characterized in that: The cover plate (2), the support beam (3) and the anchored welded steel beam (6) are anchored and connected via the steel plate (5) to form a cover plate support system.

3. The circular working well ground-saving rainproof and noise reduction device according to claim 1 is characterized by: The crown beam (1) and the cover plate (2) are both symmetrically arranged in pairs, and the upper structures of the cover plates (2) on both sides are the same.

4. A circular working well ground-saving rainproof and noise reduction device according to claim 3, characterized in that: The top of the retaining wall (7) is connected to a plurality of fixed pulleys (9), and the winch (10) is connected to a plurality of steel wire ropes (11). After the plurality of steel wire ropes (11) pass around the fixed pulleys (9) one by one, they are connected to the winch (10) on the other side.

5. A circular working well ground-saving rainproof and noise reduction device according to claim 4, characterized in that: A dense mesh (12) is connected between the plurality of steel wire ropes (11), and a waterproof material or a sound insulation material is laid above the dense mesh (12).

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