Pipe duct system for drainage of foundation pit

By using a pipe channel system connecting the main pipe, rubber pad and check valve in the foundation pit drainage system, the problem of leakage and blockage of the foundation pit drainage system in complex environments is solved, and construction efficiency is improved and materials are saved and utilized.

CN223189725UActive Publication Date: 2025-08-05CHINA CONSTR FIRST DIV GROUP CONSTR & DEV
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Patent Information

Application Number
CN202422468295.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-08-05
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

The existing foundation pit drainage system is difficult to keep the construction area continuously dry in complex environments, and the drainage pipelines are prone to leakage or blockage.

Method used

The pipe channel system is adopted that includes connecting the main pipe, rubber pad and fastening device. The adjacent connecting main pipe is connected through the rubber pad, combined with the check valve and hose to avoid pipeline cracks and leakage caused by uneven settlement, and lead precipitation to the sedimentation tank.

Benefits of technology

Optimize construction processes, improve construction efficiency, avoid leakage and blockage, the materials can be taken locally and recycled, which is safe and reliable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pipe duct system for drainage of a foundation pit. The pipe duct system comprises a dewatering well, a main pipeline laid along the dewatering well, a branch pipeline connected with the main pipeline and the dewatering well, and a sedimentation tank communicated with a water outlet of the main pipeline. The main pipeline comprises connecting main pipes, rubber pads and fastening devices, the connecting main pipes are multiple in number, the joints of every two adjacent connecting main pipes are wrapped by the rubber pads, and the fastening devices are connected to the outer sides of the rubber pads at the joints of the connecting main pipes in a clamped mode; the branch pipeline comprises a connecting branch pipe, a check valve and a hose, one end of the connecting branch pipe is welded with the reserved interface on the connecting main pipe, the check valve is fixed on the connecting branch pipe, and the other end of the connecting branch pipe is connected with the hose; the connecting main pipe penetrates through the passing culvert pipe and is connected with the sedimentation tank. According to the drainage pipe channel system, rainfall is guided into the sedimentation tank through connection and local soft connection of all the components, the method that a ditch is dug in the top of a foundation pit and a drainage channel is arranged is changed, the construction procedure is optimized, and the construction efficiency is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a pipe channel system for foundation pit drainage. Background Art

[0002] The foundation pit drainage system is an essential component of foundation pit construction, and its design and construction are directly related to the drainage effect during the construction period. The design of the foundation pit drainage system should be based on the geological conditions of the foundation pit and the surrounding environmental factors. The foundation pit drainage system should effectively remove groundwater from the foundation pit and keep the construction area dry. At the same time, the design should also consider environmental pollution and avoid drainage pipe blockage.

[0003] The conventional approach to foundation pit drainage is to excavate trenches and construct them with concrete or prefabricated components to create drainage channels. However, in the complex environment of foundation pit dewatering, conventional drainage methods may not guarantee a consistently dry construction area, and drainage pipes are also prone to leakage or blockage. Summary of the Invention

[0004] The purpose of the present invention is to provide a pipe system for foundation pit drainage, so as to solve the problem that the conventional drainage method adopted in the above-mentioned background technology may not be able to ensure that the construction area is in a continuously dry state, and the drainage pipes are also prone to leakage or blockage.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A pipe system for foundation pit drainage, comprising a drainage well, a main pipe laid along the drainage well, a branch pipe connecting the main pipe and the drainage well, and a sedimentation tank connected to the water outlet of the main pipe; the main pipe comprises a connecting main pipe, a rubber pad and a fastening device, and multiple connecting main pipes are provided, and the joints of two adjacent connecting main pipes are wrapped with rubber pads, and the fastening device is clamped to the outside of the rubber pads at the joints of the connecting main pipes; the branch pipe comprises a connecting branch pipe, a check valve and a hose, one end of the connecting branch pipe is welded to a reserved interface on the connecting main pipe, the connecting branch pipe is provided with a check valve, and the other end of the connecting branch pipe is connected to a hose.

[0007] Preferably, the connecting main pipe includes a straight connecting main pipe and an arc connecting main pipe.

[0008] Preferably, the connecting main pipe and the connecting branch pipe are steel pipes, and the connecting main pipe, the connecting branch pipe and the check valve are all configured to have a galvanized surface.

[0009] Preferably, the connecting branch pipe is provided with a thread matching the check valve, and the check valve is fixed to the connecting branch pipe via the thread on the connecting branch pipe.

[0010] Preferably, the diameter of the connecting main pipe is 160-200 mm.

[0011] Preferably, the diameter of the fastening device is 210-250 mm.

[0012] Preferably, the water outlet of the connecting main pipe is connected to the sedimentation tank, and a culvert is provided on the outer side of the water outlet pipe of the connecting main pipe, and the diameter of the culvert is 200mm-250mm.

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

[0014] 1. The utility model provides a pipe system for foundation pit drainage, which leads precipitation to sedimentation tanks and municipal pipe wells by connecting main pipes, branch pipes, fastening devices, hoses and other components, changing the traditional practice of digging trenches and setting drainage channels on the top of the foundation pit, optimizing the construction process and improving construction efficiency.

[0015] 2. The utility model provides a pipe system for foundation pit drainage, which uses rubber pads to connect adjacent connecting main pipes, so that the entire drainage system changes from a rigid connection to a partially soft connection, avoiding the problems of pipe cracks, deformation and leakage caused by uneven settlement, and is safer and more reliable than conventional practices.

[0016] 3. The utility model provides a pipe system for foundation pit drainage. The materials used in each component are common materials on the construction site. They can be obtained locally and can also be recycled and reused, saving material investment. At the same time, the drainage pipe system is easy to manufacture and simple to operate, which can reduce costs and increase efficiency, creating convenient conditions for subsequent construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a plan layout diagram of the foundation pit drainage pipe system involved in the utility model;

[0018] Figure 2 It is a front elevation view of the foundation pit drainage pipe system involved in the utility model;

[0019] Figure 3 It is a left elevation view of the foundation pit drainage pipe system involved in the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the branch pipe structure of the foundation pit drainage pipe system.

[0021] Figure numerals: 1. connecting main pipe; 101. straight section connecting main pipe; 102. arc section connecting main pipe; 2. rubber pad; 3. fastening device; 4. connecting branch pipe; 5. check valve; 6. hose; 7. sedimentation tank; 8. culvert; 9. precipitation well. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] like Figure 1-2 As shown, the utility model provides a pipe system for foundation pit drainage, including a precipitation well 9, a main pipe laid along the precipitation well 9, a branch pipe connecting the main pipe and the precipitation well, and a sedimentation tank 7 connected to the outlet of the main pipe. The main pipe is laid at a point along the precipitation well 9, one end of the branch pipe is connected to the main pipe, and the other end is connected to the precipitation well 9, and the outlet of the main pipe is connected to the sedimentation tank 7.

[0024] The main line includes a connecting main line 1, a rubber pad 2 and a fastening device 3. There are multiple connecting main lines 1. The joints of two adjacent connecting main lines 1 are wrapped with rubber pads 2. The fastening device 3 is clamped on the outside of the rubber pad 2 at the joint of the connecting main line 1; the branch line includes a connecting branch pipe 4, a check valve 5 and a hose 6. The connecting branch pipe 4 is welded to the connecting main line 1. The check valve 5 is sleeved on the connecting branch pipe 4. The end of the connecting branch pipe 4 away from the connecting main line 1 is connected to the hose 6; the sedimentation tank 7 is connected to the connecting main line 1 through a passing culvert 8. The connecting main line 1, the connecting branch pipe 4 and the check valve 5 are all set to be galvanized on the surface.

[0025] In one embodiment, the connecting pipe 1 is a galvanized steel pipe, including a straight connecting pipe 101 and an arc connecting pipe 102. The straight connecting pipe 101 is 6-9 meters long and has a pipe end diameter of 160-200 mm. The arc connecting pipe 102 has a bending angle of 90 degrees and a pipe end diameter of 160-200 mm. The straight connecting pipe 101 is used for laying straight pipelines, and the arc connecting pipe 102 is used for laying pipelines at corners. A gap is left between two adjacent connecting pipes 1, and the gap is wrapped with a rubber pad 2. The rubber pad 2 has a thickness of 5 mm and a width of 500 mm. The joint of the rubber pad 2 is above the galvanized steel pipe and is clamped with a fastening device 3. The fastening device 3 can be a hose clamp with a diameter of 210-250 mm. This connection method can make the adjacent connecting pipes 1 tightly connected and have good durability, avoid the problems of pipeline cracks, deformation and leakage caused by uneven foundation settlement, and extend the service life of the connecting pipe 1.

[0026] A circular hole is opened on the connecting main pipe 1, and a connecting branch pipe 4 is welded on the circular hole. The connecting branch pipe 4 is arranged perpendicular to the connecting main pipe 1. This arrangement can improve the pumping efficiency and has a better overall appearance. The diameter of the pipe opening of the connecting branch pipe 4 is 20-25 mm. A check valve 5 is provided on the connecting branch pipe 4. The connecting branch pipe 4 is provided with a thread matching the check valve 5. The check valve 5 is vertically fixed to the connecting branch pipe 4 through the thread on the connecting branch pipe 4. The check valve 5 is used to prevent the water in the pipe body from flowing back. The connecting branch pipe 4 is away from the connecting branch pipe 4. One end of the main pipe 1 is connected to a hose 6, which is made of PVC. The diameter of the hose 6 is set to 30-35 mm according to the diameter of the connecting branch pipe 4. A rubber pad 2 is used to connect the connecting branch pipe 4 and the hose 6. The outer side of the rubber pad 2 is clamped with a fastening device 3 to fix the connecting branch pipe 4 and the hose 6; the hose 6 can be connected to a water pump to drain water from the precipitation well 9. The hose 6 can also be connected to a faucet through a three-way joint to provide temporary water use. When the precipitation demand is large, multiple water pumps can also be connected with a three-way joint to extract water from the precipitation well 9.

[0027] The outlet of the connecting main pipe 1 is connected to the sedimentation tank 7, and the water in the precipitation well 9 is discharged into the sedimentation tank 7. The water is filtered by the sedimentation tank 7 and finally discharged into the municipal sewage well. A culvert 8 is provided on the outside of the outlet pipe of the connecting main pipe 1, and the diameter of the culvert 8 is 200mm-250mm.

[0028] The utility model provides a construction method of a pipe channel system for foundation pit drainage:

[0029] Step 1: Construction of dewatering well 9: According to the dewatering situation inside the foundation pit, the positioning of dewatering well 9 is designed and optimized in the foundation pit and then constructed;

[0030] Step 2: Design the installation path of the pipe system: According to the dewatering well 9 and the internal conditions of the foundation pit, reasonably design the installation path and installation position of the foundation pit drainage pipe system;

[0031] Step 3: Position, process, and assemble the foundation pit drainage pipe system: First, transport the connecting main pipe 1 to the designed installation location. Wrap the joints between each two adjacent connecting main pipes 1 with rubber pads 2 and then tighten them with fasteners 3. Cut a circular hole in the connecting main pipe 1 near the drainage well 9, weld the connecting branch pipe 4 to the connecting main pipe 1, and then vertically fix the connecting branch pipe 4 to the check valve 5 with threads. Connect the other end of the connecting branch pipe 4 to the hose 6 via the rubber pads 2 and fasteners 3.

[0032] Step 4: Connect the water pump to the drainage pipe system: Place the water pump inside the precipitation well 9, connect the water pump to the hose 6, and connect the water pump to the pipe system;

[0033] Step 5: Connect the drainage pipe system to the sedimentation tank 7: Pass the connecting main pipe 1 through the pre-buried culvert 8 to connect it to the sedimentation tank 7, and connect the sedimentation tank 7 to the municipal sewage well. The water discharged from the pipe system is discharged into the municipal sewage well after sedimentation in the sedimentation tank 7.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pipe system for foundation pit drainage, characterized by: It comprises a precipitation well (9), a main pipe laid along the precipitation well (9), a branch pipe connecting the main pipe and the precipitation well (9), and a sedimentation tank (7) connected to the outlet of the main pipe; the main pipe comprises a connecting main pipe (1), a rubber pad (2) and a fastening device (3); a plurality of connecting main pipes (1) are provided, and the joints of two adjacent connecting main pipes (1) are wrapped by the rubber pad (2); the fastening device (3) is clamped to the outside of the rubber pad (2) at the joint of the connecting main pipe (1); The branch pipeline comprises a connecting branch pipe (4), a non-return valve (5) and a hose (6); one end of the connecting branch pipe (4) is welded to a reserved interface on the connecting main pipe (1); the connecting branch pipe (4) is sleeved with a non-return valve (5); and the other end of the connecting branch pipe (4) is connected to a hose (6).

2. A pipe system for foundation pit drainage according to claim 1, characterized in that: The connecting main pipe (1) comprises a straight connecting main pipe (101) and an arc connecting main pipe (102).

3. The pipe system for foundation pit drainage according to claim 1, characterized in that: The connecting main pipe (1) and the connecting branch pipe (4) are steel pipes. The connecting main pipe (1), the connecting branch pipe (4) and the check valve (5) are all configured to have galvanized surfaces.

4. The pipe system for foundation pit drainage according to claim 1, characterized in that: The connecting branch pipe (4) is provided with a thread matching the check valve (5), and the check valve (5) is fixed to the connecting branch pipe (4) via the thread on the connecting branch pipe (4).

5. The pipe system for foundation pit drainage according to claim 1, characterized in that: The diameter of the connecting main pipe (1) is 160-200 mm.

6. The pipe system for foundation pit drainage according to claim 1, characterized in that: The diameter of the fastening device (3) is 210-250 mm.

7. The pipe system for foundation pit drainage according to claim 1, characterized in that: The outlet of the connecting main pipe (1) is connected to the sedimentation tank (7), and a culvert (8) is provided on the outer side of the outlet pipe of the connecting main pipe (1). The diameter of the culvert (8) is 200 mm to 250 mm.