Foundation pit recharge well water level control device

By designing a water level control device for the foundation pit recharge well, the water level of the recharge well was automatically monitored and controlled, solving the problems of long response time and poor accuracy of traditional recharge methods, improving the recharge response speed and accuracy, and ensuring the stability of soil and groundwater levels.

CN224412506UActive Publication Date: 2026-06-26SHANDONG DEJIAN GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG DEJIAN GRP CO LTD
Filing Date
2025-07-25
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In traditional foundation pit construction, water level monitoring and water replenishment operations in recharge wells rely on manual labor, which has a long response time and can easily lead to untimely and inaccurate recharge, affecting soil stability and groundwater level control.

Method used

A water level control device for foundation pit recharge wells was designed, including a well cover, a water level control component, and a pipe clamping component. The device utilizes a water level control valve and a drive component to automatically monitor and control the water level of the recharge well, ensuring accurate recharge volume and fast response speed.

Benefits of technology

It enables real-time monitoring of the water level in the recharge wells and timely water replenishment, ensuring the accuracy of the recharge volume, improving the recharge response speed, and enhancing the stability control of soil and groundwater levels.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of foundation pit recharge well water level control devices, it includes: well lid and water level control component, the bottom of well lid is equipped with recharge well clamping assembly, the top center of well lid is equipped with first opening, water level control component includes water level control valve, first pipeline and second pipeline component, second pipeline component is worn in first opening, second pipeline component is detachably fixed with water level control valve, second pipeline component is detachably fixed with first pipeline, first pipeline is connected with water supply pipeline, well lid is equipped with pipeline clamping assembly, pipeline clamping assembly includes two pipeline clamping plates and drive assembly, two pipeline clamping plates are respectively slidably installed in the top of well lid on the both sides of first opening, drive assembly is drivenly connected with two pipeline clamping plates, and pipeline clamping plate is matched with second pipeline component. The utility model can monitor the water level in recharge well in real time, timely water recharge in recharge well, and can ensure that recharge quantity is accurate, improve recharge reaction speed.
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Description

Technical Field

[0001] This utility model relates to the field of foundation pit construction equipment technology, and in particular to a foundation pit recharge well water level control device. Background Technology

[0002] During the construction of the foundation pit, in order to ensure that the groundwater level meets the design requirements and to ensure the stability of the foundation pit and the soil, it is usually necessary to carry out dewatering, water isolation or recharge. Recharge wells are important facilities for maintaining soil water pressure balance and preventing ground subsidence. Traditional recharge methods mainly rely on manual operation. The reaction time from the discovery of abnormal water level to the completion of recharge is long, which can easily cause problems such as untimely recharge and inaccurate recharge volume. Utility Model Content

[0003] The purpose of this utility model is to provide a water level control device for foundation pit recharge wells, which can monitor the water level in the recharge well in real time, replenish water to the recharge well in a timely manner, and ensure accurate recharge volume and improve the recharge response speed.

[0004] To achieve the above and other related objectives, this utility model provides a water level control device for a foundation pit recharge well, comprising: a well cover and a water level control assembly. The bottom of the well cover is provided with a recharge well clamping assembly, which is used to fix the well cover to the top of the recharge well. The top center of the well cover has a first opening. The water level control assembly includes a water level control valve, a first pipe, and a second pipe assembly. The second pipe assembly passes through the first opening. The bottom end of the second pipe assembly is detachably and fixedly connected to the top end of the water level control valve. The top end of the second pipe assembly is detachably and fixedly connected to one end of the first pipe via an elbow. The other end of the first pipe is connected to a water supply pipe. A pipe clamping assembly is provided on the well cover surrounding the first opening. The pipe clamping assembly includes two pipe clamping plates and a driving assembly. The two pipe clamping plates are slidably installed on the top of the well cover on both sides of the first opening. The driving assembly is drivenly connected to the two pipe clamping plates. The two pipe clamping plates respectively cooperate with the outer wall of the top of the second pipe assembly to clamp and fix the second pipe assembly.

[0005] In one example of the foundation pit recharge well water level control device of this utility model, the well cover includes a top cover and a side wall. The side wall is cylindrical, and the top end of the side wall is fixedly connected to the bottom surface of the top cover. The top cover is circular, and the diameter of the top cover matches the outer diameter of the side wall. The first opening is provided in the center of the top cover.

[0006] In one example of the foundation pit recharge well water level control device of this utility model, the recharge well clamping assembly includes two recharge well clamping plates, each of which is an arc-shaped plate. The two recharge well clamping plates are symmetrically arranged on the inner side of the side wall via a first screw. The surfaces of the two recharge well clamping plates that are arranged opposite to each other cooperate with the outer wall of the top of the recharge well. The two first screws are threadedly connected to the side wall and rotatably connected to the outer wall of the two recharge well clamping plates on the side away from the recharge well.

[0007] In one example of the foundation pit recharge well water level control device of this utility model, a first bearing is rotatably installed at one end of the first lead screw toward the recharge well clamping plate, the first bearing is fixedly connected to the outer wall of the recharge well clamping plate, and a first handle is fixedly installed at one end of the first lead screw away from the recharge well clamping plate.

[0008] In one example of the foundation pit recharge well water level control device of this utility model, the pipe clamping assembly includes two first mounting plates. The bottom ends of the two first mounting plates are respectively fixedly connected to the top surfaces of the top covers on both sides of the first opening. A sliding rod is respectively passed through the top and bottom of the first mounting plates. One end of the two sliding rods is respectively fixedly connected to the top and bottom of the outer wall of a pipe clamping plate. The other end of the two sliding rods is respectively fixedly connected to the top and bottom of a second mounting plate. A second lead screw is rotatably installed in the middle of the second mounting plate. The second lead screw passes through the middle of the first mounting plate and is threadedly connected to the first mounting plate. The driving assembly is respectively driven by the two second lead screws.

[0009] In one example of the foundation pit recharge well water level control device of this utility model, a first gear is fixedly installed at the end of each of the two second lead screws away from the pipe clamping plate. The drive assembly includes a drive shaft, and the two ends of the drive shaft are rotatably connected to a third mounting plate. The bottom ends of the two third mounting plates are fixedly connected to the top surface of the top cover. Two second gears are fixedly installed on the drive shaft, and the two second gears mesh with the two first gears respectively. The threads on the two second lead screws are in opposite directions.

[0010] In one example of the foundation pit recharge well water level control device of this utility model, a crank handle is fixedly installed at one end of the drive shaft, a ratchet is fixedly installed on the drive shaft located on one side of the crank handle, and a pawl that cooperates with the ratchet is provided on the third mounting plate. The pawl is mounted on the third mounting plate by a torsion spring.

[0011] In one example of the foundation pit recharge well water level control device of this utility model, the two pipe clamping plates are arc-shaped plates, and the surfaces of the two pipe clamping plates arranged opposite to each other respectively cooperate with the outer wall of the top of the second pipe assembly.

[0012] In one example of the foundation pit recharge well water level control device of this utility model, the second pipeline assembly includes a plurality of second pipelines, and the ends of two adjacent second pipelines are detachably and fixedly connected.

[0013] In one example of the foundation pit recharge well water level control device of this utility model, the top cover is provided with an observation port.

[0014] In one example of the foundation pit recharge well water level control device of this utility model, a filter is provided on the first pipeline.

[0015] The manhole cover of this utility model's foundation pit recharge well water level control device is installed at the wellhead of the recharge well. The manhole cover is fixedly connected to the recharge well using a recharge well clamping assembly. The water level control valve is fixedly connected to the bottom end of the second pipe assembly. Then, the water level control valve and the second pipe assembly pass through the first opening and extend downwards along the recharge well, so that the water level control valve is located at the liquid level of the required water level in the recharge well. Then, the control drive assembly drives two pipe clamping plates to move towards one side of the second pipe assembly. The pipe clamping assembly clamps and fixes the second pipe assembly to the manhole cover. Then, the first pipe and the water supply pipe are connected. When the liquid level in the recharge well is lower than the height of the water level control valve, the water in the water supply pipe is discharged from the outlet of the water level control valve through the first pipe and the second pipe assembly. When the liquid level in the recharge well reaches the height of the water level control valve, the water outlet of the water level control valve stops discharging water. This invention can monitor the water level in the reinjection well in real time, replenish water to the reinjection well in a timely manner, ensure the accuracy of the reinjection volume, improve the reinjection response speed, and is easy to disassemble and install and can be reused. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the foundation pit recharge well water level control device of this utility model;

[0017] Figure 2 This is a top view of the well cover in one embodiment of the foundation pit recharge well water level control device of this utility model;

[0018] Figure 3 This is a side view of the well cover in one embodiment of the foundation pit recharge well water level control device of this utility model;

[0019] Figure 4 This is a schematic diagram of the pipe clamping assembly in one embodiment of the foundation pit recharge well water level control device of this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the recharge well clamping component in one embodiment of the foundation pit recharge well water level control device of this utility model.

[0021] Component designation:

[0022] 100 Manhole cover; 110 Top cover; 111 First opening; 112 Observation port; 120 Side enclosure; 130 Recharge well clamping assembly; 131 Recharge well clamping plate; 132 First lead screw; 133 First bearing; 134 First handle; 200 Water level control assembly; 210 Water level control valve; 220 First pipe; 221 Filter; 230 Second pipe assembly; 231 Second pipe; 240 Elbow; 250 Water supply pipe; 300 Pipe clamping assembly; 310 Pipe clamping plate; 320 First mounting plate; 330 Slide rod; 340 Second mounting plate; 350 Second lead screw; 351 First gear; 360 Drive assembly; 361 Drive shaft; 362 Third mounting plate; 363 Second gear; 364 Crank handle; 365 Ratchet; 366 Pawl; 400 Recharge well. Detailed Implementation

[0023] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. It should also be understood that the terminology used in the embodiments of this utility model is for describing specific implementation schemes and not for limiting the scope of protection of this utility model. Test methods in the following embodiments that do not specify specific conditions are generally performed under conventional conditions or according to the conditions recommended by the respective manufacturers.

[0024] When numerical ranges are given in the embodiments, it should be understood that, unless otherwise specified in this invention, both endpoints of each numerical range and any value between the two endpoints may be selected. Unless otherwise defined, all technical and scientific terms used in this invention, as well as the prior art known to those skilled in the art and the description of this invention, may be implemented using any prior art methods, equipment, and materials similar to or equivalent to those in the embodiments of this invention.

[0025] Please see Figures 1 to 5This utility model provides a water level control device for a foundation pit recharge well, comprising: a well cover 100 and a water level control component 200. The bottom of the well cover 100 is provided with a recharge well clamping component 130, which is used to fix the well cover 100 to the top of a recharge well 400. A first opening 111 is provided at the center of the top of the well cover 100. The water level control component 200 includes a water level control valve 210, a first pipe 220, and a second pipe assembly 230. The second pipe assembly 230 passes through the first opening 111. The bottom end of the second pipe assembly 230 is detachably and fixedly connected to the top end of the water level control valve 210. The top end of the second pipe assembly 230 is detachably and fixedly connected to one end of the first pipe 220 via an elbow 240. The other end of the first pipe 220 is connected to a water supply pipe 250. The well is located around the first opening 111. The cover 100 is provided with a pipe clamping assembly 300, which includes two pipe clamping plates 310 and a driving assembly 360. The two pipe clamping plates 310 are slidably installed on the top of the manhole cover 100 on both sides of the first opening 111. The driving assembly 360 is drivenly connected to the two pipe clamping plates 310. The two pipe clamping plates 310 respectively cooperate with the outer wall of the top of the second pipe assembly 230. The two pipe clamping plates 310 are used to clamp and fix the second pipe assembly 230.

[0026] The manhole cover 100 of this invention is installed at the opening of the reinjection well 400. The manhole cover 100 is fixedly connected to the reinjection well 400 using the reinjection well clamping assembly 130. The water level control valve 210 is fixedly connected to the bottom end of the second pipe assembly 230. Then, the water level control valve 210 and the second pipe assembly 230 pass through the first opening 111 and extend downwards along the reinjection well 400, so that the water level control valve 210 is located at the required water level within the reinjection well 400. The drive assembly 360 then drives the two pipe clamping plates 310 to move towards the second pipe assembly 230, using the pipe clamping assembly 300 to clamp and fix the second pipe assembly 230 onto the manhole cover 100. Finally, the first pipe 220 and the water supply pipe 250 are connected. When the liquid level in the reinjection well 400 is lower than the height of the water level control valve 210, water in the water supply pipe 250 is discharged from the outlet of the water level control valve 210 through the first pipe 220 and the second pipe assembly 230. When the liquid level in the reinjection well 400 reaches the height of the water level control valve 210, the outlet of the water level control valve 210 stops discharging water. This invention can monitor the water level in the reinjection well in real time, replenish water to the reinjection well in a timely manner, ensure accurate reinjection volume, improve the reinjection response speed, and is easy to disassemble and install, and can be reused.

[0027] Please see Figures 1 to 3In one example of the foundation pit recharge well water level control device of this utility model, the well cover 100 includes a top cover 110 and a side wall 120. The side wall 120 is cylindrical, and the top end of the side wall 120 is fixedly connected to the bottom surface of the top cover 110. The top cover 110 is circular, and the diameter of the top cover 110 matches the outer diameter of the side wall 120. The top cover 110 has a first opening 111 in the center.

[0028] Please see Figure 5 In one example of the foundation pit recharge well water level control device of this utility model, the recharge well clamping assembly 130 includes two recharge well clamping plates 131, each of which is an arc-shaped plate. The two recharge well clamping plates 131 are symmetrically arranged on the inner side of the side enclosure 120 via a first lead screw 132. The opposing surfaces of the two recharge well clamping plates 131 mate with the outer wall of the top of the recharge well 400. The two first lead screws 132 are threadedly connected to the side enclosure 120 and rotatably connected to the outer wall of the two recharge well clamping plates 131 on the side away from the recharge well 400. A first bearing 133 is rotatably mounted on the end of the first lead screw 132 facing the recharge well clamping plate 131, and the first bearing 133 is fixedly connected to the outer wall of the recharge well clamping plate 131. A first handle 134 is fixedly mounted on the end of the first lead screw 132 away from the recharge well clamping plate 131. The first handle 134 is controlled to drive the first lead screw 132 to rotate, and the first lead screw 132 is used to drive the reinjection well clamping plate 131 to move, and the reinjection well 400 is clamped by the two reinjection well clamping plates 131.

[0029] Please see Figures 2 to 4In one example of the foundation pit recharge well water level control device of this utility model, the pipe clamping assembly 300 includes two first mounting plates 320. The bottom ends of the two first mounting plates 320 are respectively fixedly connected to the top surface of the top cover 110 on both sides of the first opening 111. A sliding rod 330 is respectively passed through the top and bottom of the first mounting plate 320. One end of the two sliding rods 330 is respectively fixedly connected to the top and bottom of the outer wall of a pipe clamping plate 310. The other end of the two sliding rods 330 is respectively fixedly connected to the top and bottom of the second mounting plate 340. A second lead screw 350 is rotatably installed in the middle of the second mounting plate 340. The second lead screw 350 passes through the middle of the first mounting plate 320 and is threadedly connected to the first mounting plate 320. The driving assembly 360 is drivenly connected to the two second lead screws 350 respectively. Two second lead screws 350 are each fixedly mounted with a first gear 351 at their ends away from the pipe clamping plate 310. The drive assembly 360 includes a drive shaft 361, with both ends of the drive shaft 361 rotatably connected to a third mounting plate 362. The bottom ends of the two third mounting plates 362 are fixedly connected to the top surface of the top cover 110. Two second gears 363 are fixedly mounted on the drive shaft 361, and the two second gears 363 mesh with the two first gears 351 respectively. The threads on the two second lead screws 350 are in opposite directions. A crank handle 364 is fixedly mounted at one end of the drive shaft 361. A ratchet 365 is fixedly mounted on the drive shaft 361 located on one side of the crank handle 364. The third mounting plate 362 is provided with a pawl 366 that cooperates with the ratchet 365. The pawl 366 is mounted on the third mounting plate 362 by a torsion spring. The control handle 364 drives the drive shaft 361 to rotate, the drive shaft 361 drives two second gears 363 to drive two first gears 351 to rotate, the two first gears 351 respectively drive two second lead screws 350 to rotate, the two second lead screws 350 drive the second mounting plate 340 to move, and the second mounting plate 340 drives two slide rods 330 and pipe clamping plate 310 to move.

[0030] Please see Figures 1 to 5 In one example of the foundation pit recharge well water level control device of this utility model, the two pipe clamping plates 310 are arc-shaped plates, and the surfaces of the two pipe clamping plates 310 arranged opposite each other respectively cooperate with the outer wall of the top of the second pipe assembly 230. The second pipe assembly 230 includes a plurality of second pipes 231, and the ends of two adjacent second pipes 231 are detachably and fixedly connected. An observation port 112 is provided on the top cover 110. A filter 221 is provided on the first pipe 220.

[0031] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A water level control device for foundation pit recharge wells, characterized in that, include: The manhole cover has a recharge well clamping assembly at its bottom, which is used to fix the manhole cover to the top of the recharge well. The top center of the manhole cover has a first opening. A water level control assembly includes a water level control valve, a first pipe, and a second pipe assembly. The second pipe assembly passes through the first opening. The bottom end of the second pipe assembly is detachably and fixedly connected to the top end of the water level control valve. The top end of the second pipe assembly is detachably and fixedly connected to one end of the first pipe via an elbow. The other end of the first pipe is connected to a water supply pipe. A pipe clamping assembly is provided on the manhole cover surrounding the first opening. The pipe clamping assembly includes two pipe clamping plates and a driving assembly. The two pipe clamping plates are slidably installed on the top of the manhole cover on both sides of the first opening. The driving assembly is drivenly connected to the two pipe clamping plates. The two pipe clamping plates respectively cooperate with the outer wall of the top of the second pipe assembly to clamp and fix the second pipe assembly.

2. The water level control device for foundation pit recharge wells as described in claim 1, characterized in that, The manhole cover includes a top cover and a side cover. The side cover is cylindrical, and the top of the side cover is fixedly connected to the bottom surface of the top cover. The top cover is circular, and the diameter of the top cover matches the outer diameter of the side cover. The first opening is provided in the center of the top cover.

3. The water level control device for foundation pit recharge wells as described in claim 2, characterized in that, The recharge well clamping assembly includes two recharge well clamping plates, each of which is an arc-shaped plate. The two recharge well clamping plates are symmetrically arranged on the inner side of the side wall via a first lead screw. The surfaces of the two recharge well clamping plates that are arranged opposite to each other mate with the outer wall of the top of the recharge well. The two first lead screws are threadedly connected to the side wall and rotatably connected to the outer wall of the two recharge well clamping plates on the side away from the recharge well.

4. The water level control device for foundation pit recharge wells as described in claim 3, characterized in that, A first bearing is rotatably mounted on one end of the first lead screw toward the reinjection well clamping plate. The first bearing is fixedly connected to the outer wall of the reinjection well clamping plate. A first handle is fixedly mounted on the end of the first lead screw away from the reinjection well clamping plate.

5. The water level control device for foundation pit recharge wells as described in claim 2, characterized in that, The pipe clamping assembly includes two first mounting plates. The bottom ends of the two first mounting plates are fixedly connected to the top surfaces of the top covers on both sides of the first opening. A sliding rod is respectively installed on the top and bottom of the first mounting plates. One end of the two sliding rods is fixedly connected to the top and bottom of the outer wall of one of the pipe clamping plates, respectively. The other end of the two sliding rods is fixedly connected to the top and bottom of the second mounting plate, respectively. A second lead screw is rotatably installed in the middle of the second mounting plate. The second lead screw passes through the middle of the first mounting plate and is threadedly connected to the first mounting plate. The driving assembly is driven by the two second lead screws.

6. The water level control device for foundation pit recharge wells as described in claim 5, characterized in that, Two second lead screws are respectively fixedly mounted with a first gear at one end away from the pipe clamping plate. The drive assembly includes a drive shaft, and the two ends of the drive shaft are respectively rotatably connected to a third mounting plate. The bottom ends of the two third mounting plates are respectively fixedly connected to the top surface of the top cover. Two second gears are fixedly mounted on the drive shaft. The two second gears mesh with the two first gears respectively. The threads on the two second lead screws are in opposite directions.

7. The water level control device for foundation pit recharge wells as described in claim 6, characterized in that, A crank handle is fixedly mounted on one end of the drive shaft, and a ratchet is fixedly mounted on the drive shaft located on one side of the crank handle. A pawl that cooperates with the ratchet is provided on the third mounting plate, and the pawl is mounted on the third mounting plate by a torsion spring.

8. The water level control device for foundation pit recharge wells as described in claim 1, characterized in that, The second pipe assembly includes a plurality of second pipes, with the ends of two adjacent second pipes being detachably and fixedly connected.

9. The water level control device for foundation pit recharge wells as described in claim 2, characterized in that, The top cover is equipped with an observation port.

10. The water level control device for foundation pit recharge wells as described in claim 1, characterized in that, A filter is installed on the first pipe.