Construction drainage device

By designing the construction drainage device of the module segmented steel pipes and buffer mechanisms, the flexibility and stability of the drainage pipes during tunnel construction are solved, and efficient drainage and vibration resistance are achieved.

CN222847391UActive Publication Date: 2025-05-09THE FIFTH ENGEERING OF CHINA RAILWAY 5TH BUREAU GROUP +1
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Patent Information

Application Number
CN202421826686.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-05-09
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

During the tunnel excavation construction process, water accumulation in the foundation pit needs to be removed. The existing drainage methods have problems such as pipeline welding, loose connections of water inlet pipes and vibration affecting stability.

Method used

A construction drainage device is designed, and a module segmented steel pipe is connected by flange, and is equipped with a support leg and a buffering mechanism. The support leg includes inner and outer pipes and positioning holes. The buffering mechanism includes arcuate grooves and elastic rubber layer, shock-absorbing beams and shock-absorbing steel balls to reduce the impact of vibration.

Benefits of technology

It realizes flexible lengthening or disassembly of the pipeline, improves the stability and vibration resistance of the water inlet pipe connection, and ensures the stability and flexibility of the drainage main pipe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a construction drainage device which comprises a drainage main pipe, a plurality of water inlet pipes are arranged on the drainage main pipe and used for being connected with drainage branch pipes, the head end of each drainage branch pipe is connected with a point to be pumped, a water pump is installed at the point to be pumped, and the drainage main pipe is formed by connecting a plurality of sections of steel pipes through flanges. Buffering mechanisms are arranged between the supporting legs and the drainage main pipe. The pipeline is designed to be of a module segmented structure and is convenient to lengthen or disassemble according to needs, the use flexibility is high, a buffering mechanism is arranged between the supporting legs and the drainage main pipe, the damping effect is achieved, the vibration influence of water inlet impact on the drainage main pipe is reduced, and it is ensured that drainage is stable and reliable.
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Description

Technical Field

[0001] The utility model belongs to the technical field of engineering drainage, and specifically relates to a construction drainage device. Background Art

[0002] During the open excavation of the tunnel, a large amount of water will accumulate in the foundation pit, and it is necessary to drain the water from the construction site to ensure that the construction is completed with quality and quantity. The current drainage method is to lay pipes and connect them to a pump for direct drainage, but there are several problems:

[0003] 1) The drainage main pipe is welded by several pipes. When the length of the drainage main pipe increases or decreases, it is necessary to re-weld or cut the pipe, which is troublesome;

[0004] 2) The connection between the water inlet pipe and the drainage pipe is easily loosened due to water impact;

[0005] 3) When supported by H-legs, the drainage main pipe is easily affected by vibration and the connection stability at both ends is affected. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a construction drainage device.

[0007] The technical solution adopted by the utility model is a construction drainage device, including a drainage main pipe, on which a plurality of water inlet pipes are arranged for connecting drainage branch pipes, the head ends of the drainage branch pipes are respectively connected to water-to-be-pumped points, water pumps are installed at the water-to-be-pumped points, the drainage main pipe is composed of a plurality of sections of steel pipes connected by flanges, support legs are arranged at intervals below the drainage main pipe, and a buffer mechanism is arranged between the support legs and the drainage main pipe.

[0008] Preferably, the support leg comprises an inner tube and an outer tube slidably mounted outside the inner tube, and a plurality of positioning holes are longitudinally provided on the inner tube and the outer tube. After the positioning screw is inserted into the corresponding positioning holes of the inner tube and the outer tube, the height of the support leg is fixed by fastening with a nut.

[0009] Preferably, the buffer mechanism comprises a support block, a support plate is provided at the top of the support leg, the support plate is bolted to the support block, an arc-shaped groove matching the outer diameter of the drainage pipe is provided at the top of the support block, the drainage pipe falls into the arc-shaped groove, and an elastic rubber layer is provided on the surface of the arc-shaped groove.

[0010] Preferably, a shock-absorbing crossbeam is further provided between the supporting legs and the supporting blocks, a shock-absorbing groove is provided in the shock-absorbing crossbeam, and shock-absorbing steel balls are placed in the shock-absorbing groove.

[0011] Preferably, the support leg is provided with at least two outer tubes and an inner tube, a connecting rod is provided between the two outer tubes, and the connecting rod is fixed to the outside of the outer tube by a positioning screw.

[0012] Preferably, the water inlet pipe is provided with various sizes, and a sealing strip is provided on the upper part of the inner wall of the water inlet pipe, and a sealing sponge is provided on the inner side of the sealing strip.

[0013] Preferably, the supporting legs are arranged at the ends and interfaces of the drainage main pipe.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1) The pipeline is designed as a modular segmented structure, connected by flanges, which is convenient for lengthening or disassembly as needed. It is suitable for a variety of drainage sites and has high flexibility in use;

[0016] 2) Sealing strips and sponges are installed on the inner wall of the upper part of the water inlet pipe to seal and dampen the connection between the main drainage pipe and the branch drainage pipe, thereby reducing the vibration caused by the impact of water inflow;

[0017] 3) A support block is set between the support leg and the drainage pipe, and the drainage pipe falls into the arc-shaped groove at the top of the support block, which improves the support stability of the support leg on the drainage pipe and avoids deviation after vibration. An elastic rubber pad is set in the arc-shaped groove to have a shock-absorbing effect;

[0018] 4) A shock-absorbing crossbeam is arranged between the supporting legs and the supporting blocks. A shock-absorbing groove is arranged in the shock-absorbing crossbeam. Shock-absorbing steel balls are placed in the shock-absorbing groove to further enhance the shock-absorbing effect on the drainage main pipe and keep it horizontal and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a structural schematic diagram of a drainage device;

[0020] Figure 2 is a schematic diagram of the structure of the supporting legs;

[0021] Figure 3 A schematic diagram of the structure of the support block;

[0022] Figure 4 It is a structural schematic diagram of the shock-absorbing beam. DETAILED DESCRIPTION

[0023] The present invention will be further explained below in conjunction with the accompanying drawings to facilitate better understanding by those skilled in the art.

[0024] Example 1

[0025] like Figure 1-4As shown, a construction drainage device includes a drainage main pipe 1, on which are provided a plurality of water inlet pipes 2 for connecting drainage branch pipes 3, the head ends of each drainage branch pipe 3 are respectively connected to a water pumping point to be pumped, and a water pump is installed at the water pumping point; the drainage main pipe 1 is composed of a plurality of sections of steel pipes connected by flanges, and the pipeline is designed as a modular segmented structure, which is connected by flanges, so that it is convenient to lengthen or disassemble as needed, and is suitable for a variety of drainage sites with high flexibility of use. Support legs 4 are provided at intervals below the drainage main pipe 1, and the support legs 4 are arranged at the ends and interfaces of the drainage main pipe 1, and have a stable supporting function. A buffer mechanism is provided between the support legs 4 and the drainage main pipe 1, which is mainly used to reduce the negative effects of vibration on the drainage main pipe 1.

[0026] The support leg 4 comprises an inner tube 401 and an outer tube 402 slidably sleeved outside the inner tube 401. A plurality of positioning holes 403 are longitudinally provided on the inner tube 401 and the outer tube 402. After the positioning screw 404 is inserted into the corresponding positioning holes 403 of the inner tube 401 and the outer tube 402, a nut is used to fasten and fix the height of the support leg 4. By adjusting the connection between the inner tube 401 and the outer tube 402 and adjusting the height of the support leg 4, it is ensured that the top of the support leg 4 is horizontal, which is conducive to the stable and reliable connection of the drainage main pipe 1.

[0027] The buffer mechanism includes a support block 5, a support plate 405 is provided at the top of the support leg 4, and the support plate 405 is bolted to the support block 5. The top of the support block 5 is provided with an arc groove 501 adapted to the outer diameter of the drainage pipe 1. The drainage pipe 1 falls into the arc groove 501, which improves the support stability of the support leg 4 on the drainage pipe 1 and avoids displacement after vibration. The surface of the arc groove 501 is provided with an elastic rubber layer 502, which has a shock-absorbing effect. A shock-absorbing crossbeam 6 is also provided between the support leg 4 and the support block 5, and a shock-absorbing groove 601 is provided in the shock-absorbing crossbeam 6. Shock-absorbing steel balls 602 are placed in the shock-absorbing groove 601 to further enhance the shock-absorbing effect on the drainage pipe 1 and keep it horizontal and stable.

[0028] The support leg 4 is provided with at least two outer tubes 402 and an inner tube 401. A connecting rod 406 is provided between the two outer tubes 402. The connecting rod 406 is fixed to the outer side of the outer tube 402 by a positioning screw 404 to enhance the structural stability of the support leg 4.

[0029] In order to adapt to the simultaneous drainage of multiple areas on the construction site, the above-mentioned water inlet pipe 2 is provided with various sizes, and a sealing strip is provided on the upper part of the inner wall of the water inlet pipe 2, and a sealing sponge is provided on the inner side of the sealing strip, which has a sealing and shock-absorbing effect on the connection between the drainage main pipe 1 and the drainage branch pipe 3, thereby reducing the vibration effect caused by the impact force of the water inlet.

[0030] The above-mentioned embodiments are only for describing the preferred implementation of the utility model, and are not intended to limit the scope of the utility model. Without departing from the design spirit and principle of the utility model, various modifications and improvements made by those skilled in the art to the technical solution of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A construction drainage device, comprising a drainage main pipe (1), on which a plurality of water inlet pipes (2) are arranged for connecting drainage branch pipes (3), the head ends of the drainage branch pipes (3) are respectively connected to water-to-be-pumped points, and water pumps are installed at the water-to-be-pumped points, characterized in that: The drainage main pipe (1) is composed of a plurality of steel pipe sections connected by flanges. Support legs (4) are provided at intervals below the drainage main pipe (1), and a buffer mechanism is provided between the support legs (4) and the drainage main pipe (1).

2. A construction drainage device according to claim 1, characterized in that: The support leg (4) comprises an inner tube (401) and an outer tube (402) slidably sleeved outside the inner tube (401), a plurality of positioning holes (403) are longitudinally provided on the inner tube (401) and the outer tube (402), and a positioning screw (404) is inserted into the corresponding positioning holes (403) of the inner tube (401) and the outer tube (402), and then a nut is used to fasten and fix the height of the support leg (4).

3. A construction drainage device according to claim 1, characterized in that: The buffer mechanism comprises a support block (5), a support plate (405) is provided at the top of the support leg (4), the support plate (405) is bolted to the support block (5), an arc-shaped groove (501) adapted to the outer diameter of the drainage pipe (1) is provided at the top of the support block (5), the drainage pipe (1) falls into the arc-shaped groove (501), and an elastic rubber layer (502) is provided on the surface of the arc-shaped groove (501).

4. A construction drainage device according to claim 3, characterized in that: A shock-absorbing crossbeam (6) is further provided between the support leg (4) and the support block (5), a shock-absorbing groove (601) is provided in the shock-absorbing crossbeam (6), and a shock-absorbing steel ball (602) is placed in the shock-absorbing groove (601).

5. A construction drainage device according to claim 2, characterized in that: The support leg (4) is provided with at least two outer tubes (402) and an inner tube (401), a connecting rod (406) is provided between the two outer tubes (402), and the connecting rod (406) is fixed to the outside of the outer tube (402) via a positioning screw (404).

6. A construction drainage device according to claim 1, characterized in that: The water inlet pipe (2) is provided with a variety of sizes, and a sealing strip is provided on the upper part of the inner wall of the water inlet pipe (2), and a sealing sponge is provided on the inner side of the sealing strip.

7. A construction drainage device according to claim 1, characterized in that: The support legs (4) are arranged at the ends and interfaces of the drainage main pipe (1).