A deep foundation pit retaining structure convenient for drainage

By designing a deep foundation pit enclosure structure including drainage mechanism and cleaning mechanism, the problem of the drainage system in the deep foundation pit affecting efficiency due to silt and sand blockage is solved, and more efficient drainage and reduced drainage pressure are achieved.

CN222745060UActive Publication Date: 2025-04-11GANSU HENGYU ENGINEERING CONSTRUCTION SUPERVISION CO LTD
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Patent Information

Application Number
CN202421490085.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-11
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The drainage system in the deep foundation pit is prone to affect the drainage efficiency due to silt and sand blockage, leading to water gushing, and affecting subsequent construction work.

Method used

A deep foundation pit enclosure structure including a baffle, a support plate, a base plate, a diagonal strut rod, a drainage mechanism and a cleaning mechanism is designed. The drainage mechanism includes a drainage channel, a filter cartridge, a pump pipe and a pump, and the cleaning mechanism removes the soil on the outer wall of the filter cartridge through a motor-driven cleaning brush.

Benefits of technology

By setting up oblique struts, baffles and bottom plates to form a stable structure, the support force is improved; the drainage mechanism effectively reduces the drainage pressure in the deep foundation pit, the cleaning mechanism prevents the pumping pipe from being blocked, and improves the drainage efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of deep foundation pits, and specifically discloses a deep foundation pit enclosure structure that is convenient for drainage, including a baffle, a support plate, a bottom plate, an inclined brace, a drainage mechanism and a cleaning mechanism, wherein the baffle is arranged at the top of the support plate, the support plate is arranged at the bottom of the deep foundation pit, the baffle is arranged at the periphery of the deep foundation pit, and is used to resist the outer soil of the deep foundation pit and increase the support around the deep foundation pit, one end of the inclined brace is arranged at one side of the baffle close to the inside of the deep foundation pit, and the other end is arranged at the top of the bottom plate, the drainage mechanism is arranged on the support plate, and the cleaning mechanism is arranged on the drainage mechanism. The accumulated water in the deep foundation pit is transported to the outside of the deep foundation pit by arranging the drainage mechanism, thereby reducing the drainage pressure in the deep foundation pit; the clogging of the pumping mechanism is prevented by arranging the cleaning mechanism, thereby improving the drainage efficiency.
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Description

Technical Field

[0001] The utility model relates to the technical field of deep foundation pits, in particular to a deep foundation pit enclosure structure which is convenient for drainage. Background Art

[0002] A deep foundation pit refers to a project with an excavation depth exceeding 5 meters (including 5 meters), or a project with a depth of less than 5 meters but with particularly complex geological conditions, surrounding environment and underground pipelines. The foundation pit project is to excavate an underground space from the ground downwards. A vertical retaining structure is generally set up around the deep foundation pit. The retaining structure is generally a plate (pile) wall structure with a certain insertion depth under the base of the excavation surface. A drainage system is set up in the deep foundation pit for drainage on rainy days. If the drainage is not timely, it will cause water gushing. At this time, the staff needs to use a water pump to discharge the accumulated water in the foundation pit to prevent it from affecting subsequent construction operations. The mud and sand in the foundation pit can easily block the drainage components and affect the efficiency of drainage. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a deep foundation pit enclosure structure which is convenient for drainage.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A deep foundation pit retaining structure that is convenient for drainage, comprising a baffle, a support plate, a bottom plate, an inclined brace, a drainage mechanism and a cleaning mechanism, wherein the baffle is arranged at the top end of the support plate, one end of the inclined brace is arranged on one side of the baffle, and the other end is arranged on the top end of the bottom plate, the drainage mechanism is arranged on the support plate, and the cleaning mechanism is arranged on the support plate.

[0006] Preferably, a positioning pin 1 is provided at the bottom end of the support plate, a positioning pin 2 is provided at the bottom end of the base plate, a hinge seat 1 is provided on one side of the baffle, a hinge seat 2 is provided at the top end of the base plate, one end of the diagonal support rod is hinged to the hinge seat 1, and the other end is hinged to the hinge seat 2.

[0007] Preferably, the drainage mechanism includes a drainage channel, a filter cartridge, a water suction pipe and a water pump. The drainage channel is arranged on a side of the support plate away from the baffle, the filter cartridge is arranged in the drainage channel, filter holes are arranged on the side wall of the filter cartridge, the water pump is arranged at the top of the baffle, one end of the water suction pipe is arranged at the water inlet end of the water suction pump, and the other end is arranged in the filter cartridge, and a filter cover is arranged at one end of the water suction pipe in the filter cartridge.

[0008] Preferably, the filter cover is a hollow structure, filter holes are arranged at the bottom and outer ring of the filter cover, and a float is arranged at the top of the filter cover and on the outer wall of the water suction pipe.

[0009] Preferably, the cleaning mechanism includes a support frame arranged on the support plate, a motor arranged on one side of the support frame, a rotating disk arranged at the output end of the motor, a moving rod slidably arranged on the support frame, a connecting rod and a cleaning brush sleeved on the outside of the side wall of the filter cartridge, the output end of the motor passes through the support frame and is eccentrically connected to the rotating disk, one end of the connecting rod is arranged at the top of the moving rod, and the other end is fixedly connected to the outer wall of the cleaning brush, and the bristle portion of the cleaning brush abuts against the outer wall of the filter cartridge.

[0010] Preferably, a mounting block is provided at the bottom end of the moving rod, a spring is sleeved on the outer surface of the moving rod, one end of the spring is connected to the support frame, and the other end is connected to the top of the mounting block, the outer ring of the rotating disk is provided with an annular enclosure, a rotating wheel is provided on one side of the mounting block, and the rotating wheel rotates in the annular enclosure, a limit rod is slidably provided on one side of the mounting block, the limit rod is arranged in a vertical direction, the top end of the limit rod is fixedly connected to the support frame, and the bottom end passes through the mounting block to set a limit block.

[0011] Preferably, a shielding mechanism is provided on the bottom plate, and the shielding mechanism includes a supporting column, an inclined plate and a drain pipe, the supporting column is provided at the top end of the bottom plate, and there are multiple supporting columns, the inclined plate is provided at the top end of the supporting column, a drainage plate is provided around the lower part of the inclined plate, a side plate is provided on one side of the drainage plate, a water tank is provided on the top end of the support plate, one end of the drain pipe is provided through the drainage plate, and the other end is provided in the water tank.

[0012] The beneficial effects of the utility model are as follows: by arranging oblique support rods, baffles and bottom plates, a triangular stable structure is formed to better support the baffles and improve the supporting force; by arranging a drainage mechanism, the accumulated water in the drainage channel is transported to the outside of the deep foundation pit, thereby reducing the drainage pressure in the deep foundation pit; by arranging a cleaning mechanism, the pumping pipe is prevented from being blocked and the drainage efficiency is improved; by arranging a shielding mechanism, a place for sunshade and heat relief is provided for the staff, and on rainy days, rainwater can be collected for easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a deep foundation pit enclosure structure that is convenient for drainage proposed by the utility model;

[0014] Figure 2 It is a structural diagram of the drainage mechanism and the cleaning mechanism;

[0015] Figure 3 is a schematic diagram of the structure of the filter cover;

[0016] Figure 4 is a schematic diagram of the cleaning structure;

[0017] Figure 5 It is a structural schematic diagram of the shielding mechanism.

[0018] In the figure: 1 baffle, 11 hinged seat 1, 2 support plate, 21 positioning pin 1, 3 bottom plate, 31 positioning pin 2, 32 hinged seat 2, 4 oblique support rod, 5 drainage mechanism, 51 drainage channel, 52 filter cartridge, 53 filter cover, 531 float, 54 suction pipe, 55 suction pump, 6 cleaning mechanism, 61 support frame, 62 motor, 621 rotating disk, 6211 annular enclosure, 6212 arc groove, 63 connecting rod, 64 cleaning brush, 641 sliding block, 65 moving rod, 651 spring, 652 mounting block, 6521 rotating wheel, 66 limiting rod, 7 shielding mechanism, 71 support column, 72 inclined plate, 721 drainage plate, 722 side plate, 73 drainage pipe, 74 water tank. DETAILED DESCRIPTION

[0019] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0020] In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms center, top, bottom, left, right, vertical, horizontal, inside, outside, etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms first, second, and third are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] Please refer to Figure 1-5 A deep foundation pit retaining structure that is convenient for drainage, includes a baffle 1, a support plate 2, a bottom plate 3, an inclined brace 4, a drainage mechanism 5 and a cleaning mechanism 6, wherein the baffle 1 is arranged at the top of the support plate 2, the support plate 2 is arranged at the bottom of the deep foundation pit, the baffle 1 is arranged at the periphery of the deep foundation pit, and is used to resist the outer soil of the deep foundation pit and increase the support around the deep foundation pit, the bottom plate 3 is arranged at the bottom of the deep foundation pit and is located on the side of the support plate 2 away from the baffle 1, one end of the inclined brace 4 is arranged on the side of the baffle 1 close to the inside of the deep foundation pit, and the other end is arranged on the top of the bottom plate 3, the drainage mechanism 5 is arranged on the support plate 2, and the cleaning mechanism 6 is arranged on the support plate 2.

[0022] By arranging the diagonal support rods 4, the baffle 1 and the bottom plate 3, a triangular stable structure is formed to better support the baffle 1 and improve the supporting force. By arranging the drainage mechanism 5, the accumulated water in the deep foundation pit is transported to the outside of the deep foundation pit, thereby reducing the drainage pressure in the deep foundation pit. By arranging the cleaning mechanism 6, the drainage mechanism 5 is prevented from being blocked to affect the drainage efficiency. By arranging the shielding mechanism 7, a place for sunshade and heat relief is provided for the staff, and rainwater can be collected on rainy days for easy use.

[0023] Specifically, in order to better fix the support plate 2 and the base plate 3 and prevent displacement, in this embodiment, a positioning nail 21 is set at the bottom end of the support plate 2, and a positioning nail 31 is set at the bottom end of the base plate 3. The positioning nail 21 is inserted into the bottom soil of the deep foundation pit, and the positioning nail 31 is inserted into the bottom soil of the deep foundation pit.

[0024] In order to facilitate the installation and disassembly of the diagonal support rod 4, in this embodiment, a hinge seat 11 is set on one side of the baffle 1, and a hinge seat 2 32 is set on the top of the base plate 3. One end of the diagonal support rod 4 is hinged to the hinge seat 11, and the other end is hinged to the hinge seat 2 32.

[0025] To facilitate drainage, Figure 1-3 The drainage mechanism 5 includes a drainage channel 51, a filter cartridge 52, a water pump 54 and a water pump 55. The drainage channel 51 is arranged on a side of the support plate 2 away from the baffle 1, and the filter cartridge 52 is arranged in the drainage channel 51. In order to prevent the water in the filter cartridge 52 from being too turbid, a plurality of filter holes are arranged on the side wall of the filter cartridge 52.

[0026] In order to drain the accumulated water out of the deep foundation pit, in this embodiment, the water pump 55 is arranged at the top of the baffle 1, one end of the water pump 54 is arranged at the water inlet end of the water pump 55, and the other end is arranged in the filter cartridge 52. In order to prevent the water pump 54 from being blocked by mud and sand, a filter cover 53 is arranged at one end of the water pump 54 in the filter cartridge 52. The water pump 55 is started to pump the accumulated water in the filter cartridge 52 out of the deep foundation pit through the water pump 54 to drain the water, thereby reducing the drainage pressure of the drainage system in the deep foundation pit.

[0027] In order to prevent the filter cover 53 from sinking to the bottom of the filter cartridge 52, the water extraction pipe 54 can extract relatively clean water above the filter cartridge 52. Figure 3 In this embodiment, the filter cover 53 is a hollow structure, and filter holes are set at the bottom and outer circle of the filter cover 53. A float 531 is set at the top of the filter cover 53 and on the outer wall of the suction pipe 54 to increase the buoyancy of the filter cover 53.

[0028] In order to facilitate cleaning of the outer wall of the filter cartridge 52 and prevent the filter holes from being gradually blocked and affecting the drainage efficiency, Figure 2 and4 In this embodiment, the cleaning mechanism 6 includes a support frame 61 arranged on the support plate 2, a motor 62 arranged on one side of the support frame 61, a rotating disk 621 arranged at the output end of the motor 62, a moving rod 65 slidably arranged on the support frame 61, a connecting rod 63 and a cleaning brush 64 sleeved on the side wall of the filter cartridge 52, the output end of the motor 62 passes through the support frame 61 and is eccentrically connected to the rotating disk 621, one end of the connecting rod 63 is arranged at the top of the moving rod 65, and the other end is fixedly connected to the outer wall of the cleaning brush 64, and the bristle part of the cleaning brush 64 abuts against the outer wall of the filter cartridge 52.

[0029] In order to enable the rotating disk 621 to drive the moving rod 65 to move up and down, a mounting block 652 is provided at the bottom end of the moving rod 65, and a spring 651 is sleeved on the outer surface of the moving rod 65. One end of the spring 651 is connected to the support frame 61, and the other end is connected to the top of the mounting block 652. The outer ring of the rotating disk 621 is provided with an annular enclosure 6211, and a rotating wheel 6521 is provided on one side of the mounting block 652. The rotating wheel 6521 rotates in the annular enclosure 6211. In order to enable the moving rod 65 to move in the vertical direction, a limiting rod 66 is slidably provided on one side of the mounting block 652. The limiting rod 66 is provided in the vertical direction, and its top end is fixedly connected to the support frame 61, and the bottom end passes through the mounting block 652 to set a limiting block. In order to reduce the weight of the rotating disk 621 and facilitate the eccentric rotation of the rotating disk 621, an arc groove 6212 is provided on the rotating disk 621.

[0030] In order to make the cleaning brush 64 move up and down more stably, a sliding block 641 is arranged outside the cleaning brush 64, and a sliding groove is vertically arranged on the drain channel 51, and the sliding block 641 can slide up and down in the sliding groove. In order to make the connecting rod 63 move stably, a moving groove is vertically arranged in the drain channel 51, and the connecting rod 63 can slide up and down in the moving groove.

[0031] During cleaning, the motor 62 is started, and the motor 62 drives the rotating disk 621 to rotate eccentrically. The rotation of the rotating disk 621 drives the annular enclosure 6211 to move up and down, thereby driving the rotating wheel 6521 to move up and down, and driving the moving rod 65 to move up and down through the mounting block 652, so that the connecting rod 63 moves up and down, and at the same time drives the cleaning brush 64 to move up and down on the outer wall of the filter cylinder 52 to brush off the dirt and the like on the outer wall of the filter cylinder 52.

[0032] In order to provide workers with shelter from rain or sun, Figure 5In this embodiment, a shielding mechanism 7 is provided on the bottom plate 3, and the shielding mechanism 7 includes a support column 71, an inclined plate 72 and a drain pipe 73. The support column 71 is provided at the top of the bottom plate 3, and there are multiple support columns 71. The inclined plate 72 is provided at the top of the support column 71. In order to collect rainwater for the convenience of workers, a drainage plate 721 is provided around the lower part of the inclined plate 72, and a side plate 722 is provided on one side of the drainage plate 721. A water tank 74 is provided at the top of the support plate 2, and one end of the drain pipe 73 is provided on the drainage plate 721, and the other end is provided in the water tank 74.

Claims

1. A deep foundation pit retaining structure that is easy to drain, characterized in that: The invention comprises a baffle plate (1), a support plate (2), a bottom plate (3), an inclined support rod (4), a drainage mechanism (5) and a cleaning mechanism (6), wherein the baffle plate (1) is arranged at the top end of the support plate (2), one end of the inclined support rod (4) is arranged on one side of the baffle plate (1), and the other end is arranged on the top end of the bottom plate (3), the drainage mechanism (5) is arranged on the support plate (2), and the cleaning mechanism (6) is arranged on the support plate (2). The drainage mechanism (5) comprises a drainage channel (51), a filter cartridge (52), a water pump (54) and a water pump (55); the drainage channel (51) is arranged on a side of the support plate (2) away from the baffle plate (1); the filter cartridge (52) is arranged in the drainage channel (51); The cleaning mechanism (6) comprises a support frame (61) arranged on the support plate (2), a motor (62) arranged on one side of the support frame (61), a rotating disk (621) arranged at the output end of the motor (62), a moving rod (65) slidably arranged on the support frame (61), a connecting rod (63) and a cleaning brush (64) sleeved on the side wall of the filter cartridge (52); the output end of the motor (62) passes through the support frame (61) and is eccentrically connected to the rotating disk (621); one end of the connecting rod (63) is arranged at the top end of the moving rod (65) and the other end is fixedly connected to the outer wall of the cleaning brush (64); the bristle portion of the cleaning brush (64) abuts against the outer wall of the filter cartridge (52).

2. A deep foundation pit retaining structure for facilitating drainage according to claim 1, characterized in that: A mounting block (652) is arranged at the bottom end of the moving rod (65), a spring (651) is sleeved on the outer surface of the moving rod (65), one end of the spring (651) is connected to the support frame (61), and the other end is connected to the top of the mounting block (652), an annular enclosure (6211) is arranged on the outer ring of the rotating disk (621), a rotating wheel (6521) is arranged on one side of the mounting block (652), and the rotating wheel (6521) rotates in the annular enclosure (6211), a limiting rod (66) is slidably arranged on one side of the mounting block (652), the limiting rod (66) is arranged in a vertical direction, the top end of the limiting rod is fixedly connected to the support frame (61), and the bottom end passes through the mounting block (652) to set a limiting block.

3. A deep foundation pit retaining structure for facilitating drainage according to claim 1, characterized in that: The water pump (55) is arranged at the top end of the baffle (1); one end of the water pump (54) is arranged at the water inlet end of the water pump (55) and the other end is arranged in the filter cartridge (52); a filter cover (53) is arranged at one end of the water pump (54) in the filter cartridge (52).

4. A deep foundation pit retaining structure for facilitating drainage according to claim 1, characterized in that: A positioning pin (21) is provided at the bottom end of the support plate (2), a positioning pin (31) is provided at the bottom end of the base plate (3), a hinge seat (11) is provided on one side of the baffle plate (1), a hinge seat (32) is provided at the top end of the base plate (3), one end of the diagonal support rod (4) is hinged to the hinge seat (11), and the other end is hinged to the hinge seat (32).

5. The deep foundation pit retaining structure for facilitating drainage according to claim 3 is characterized in that: The filter cover (53) is a hollow structure, and filter holes are arranged at the bottom and outer ring of the filter cover (53). A float (531) is arranged at the top of the filter cover (53) and on the outer wall of the water pumping pipe (54).

6. The deep foundation pit retaining structure for facilitating drainage according to claim 1, characterized in that: A shielding mechanism (7) is arranged on the bottom plate (3), and the shielding mechanism (7) comprises a support column (71), an inclined plate (72) and a drainage pipe (73); the support column (71) is arranged at the top end of the bottom plate (3), and there are a plurality of support columns (71); the inclined plate (72) is arranged at the top end of the support column (71); a drainage plate (721) is arranged around the lower part of the inclined plate (72); and a side plate (722) is arranged on one side of the drainage plate (721).