Plugging device for foundation pit dewatering

Abstract

The utility model relates to the technical field of foundation pit dewatering engineering, and discloses a plugging device for foundation pit dewatering, which comprises a steel sleeve, a well mouth is fixedly arranged at the lower end of the steel sleeve, a quick plugging component is arranged between the steel sleeve and the well mouth, a mistaken touch prevention component is arranged at the upper end of the steel sleeve, and the quick plugging component comprises a plugging cover. The plugging cover is arranged in the steel sleeve and the well mouth in a clamped mode, a plurality of telescopic grooves are formed in the outer wall of the plugging cover, locking blocks are movably arranged in the telescopic grooves, and a plurality of locking grooves are formed in the lower portion of the inner wall of the steel sleeve. According to the utility model, through the arrangement of the quick plugging assembly, the fixed plugging operation can be completed only by simply controlling the movement of the button, the complexity and physical output of manual operation are reduced, and through the arrangement of the mistaken touch prevention design, the quick plugging assembly can be sealed and protected, so that irrelevant personnel are effectively prevented from mistakenly touching the button; and the safety and the reliability of the plugging system are ensured.

Description

Technical Field

[0001] This utility model relates to the field of foundation pit dewatering engineering technology, and in particular to a sealing device for foundation pit dewatering. Background Technology

[0002] In foundation pit dewatering projects, in order to effectively control the groundwater level and ensure the smooth progress of construction, it is usually necessary to seal the dewatering wells. Among the existing sealing methods, the most commonly used method is to use the rapid sealing technology of prefabricated waterproof steel casing. The principle of this method is: the steel casing is externally fixed to the wellhead, and a prefabricated steel pipe with flange and a prefabricated blind plate are installed on its top. They are then fixed together with bolts to form a sealed structure.

[0003] However, existing steel casing sealing methods still have certain drawbacks in practical applications, especially in the sealing operation process, which involves a large workload. Specifically, when sealing a dewatering well, it is necessary to first align the multiple threaded holes on the flange at the top of the steel pipe with the blind plate, and then tighten the bolts one by one. This process is not only time-consuming, but also requires a high level of physical strength and endurance from the workers. In addition, when tightening the bolts, the need for accurate alignment and application of a large torque can easily cause operational inconvenience, increase the workload of workers, and also increase the complexity and time cost of construction. Therefore, those skilled in the art provide a sealing device for foundation pit dewatering to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a sealing device for foundation pit dewatering. This device features a quick-sealing component, allowing for simple operation by moving a control button. A first and second return spring cause the locking block to engage in the locking groove, thus completing the sealing operation. This simple and quick process reduces the complexity and physical exertion of manual operation, significantly improving work efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a sealing device for foundation pit dewatering, comprising a steel casing, a wellhead fixedly provided at the lower end of the steel casing, a quick sealing component provided between the steel casing and the wellhead, and an anti-accidental contact component provided at the upper end of the steel casing;

[0006] The rapid sealing assembly includes a sealing cap, which is snapped into the interior of the steel casing and the wellhead. The outer wall of the sealing cap has multiple telescopic grooves, and each of the multiple telescopic grooves has a locking block movably disposed inside. The inner wall of the steel casing has multiple locking grooves near the bottom, and each of the multiple locking blocks is snapped into the corresponding locking groove. A first return spring is fixedly connected between the multiple locking blocks and the inner wall of the corresponding locking groove on the opposite side. The upper center of the sealing cap has a movable groove, and a button is movably disposed inside the movable groove. The lower end of the button is fixedly connected to multiple pressing blocks, and the upper ends of the multiple locking blocks have pressing grooves.

[0007] With the above technical solution, by incorporating a quick-blocking component, the blocking operation can be completed simply by moving a control button. The locking block is then engaged in the locking groove via the first and second return springs, thus completing the fixing and blocking operation. This operation is simple and quick, reducing the complexity and physical exertion of manual operation and greatly improving work efficiency.

[0008] Furthermore, the anti-accidental contact component includes a sealing cover, which is snapped into a steel sleeve. The lower end of the sealing cover is rotatably connected to multiple threaded rods, and the outer walls of the multiple threaded rods are threaded with threaded sleeves. A limit sleeve is fixedly connected to the lower end of the sealing cover near the multiple threaded rods. The upper end of the steel sleeve has multiple connecting grooves, and the lower inner walls of the multiple connecting grooves have connecting slots. One side of the inner wall of the multiple connecting slots has a spring groove. A limit block is movably disposed inside the multiple spring grooves. One side of the outer wall of the multiple threaded sleeves has a limiting slot. A return spring is fixedly connected between the multiple limit blocks and the inner walls of the corresponding spring grooves at opposite ends.

[0009] Through the above technical solution, with the anti-accidental touch design, after the sealing operation is completed, the sealing cover can be inserted into the steel sleeve and the movement of the threaded sleeve can be controlled. With the help of the provided return spring, limiting block and limiting groove, the sealing cover can be fixed on the steel sleeve, thereby sealing and protecting the quick sealing component, effectively preventing unauthorized personnel from accidentally touching the button, and ensuring the safety and reliability of the sealing system.

[0010] Furthermore, the sealed cover has a transmission groove inside, and a drive shaft is rotatably connected between the upper and lower inner walls of the transmission groove. A drive gear is fixedly sleeved on the outer wall of the drive shaft. Transmission shafts are rotatably connected to both sides and the front and rear of the upper and lower inner walls of the transmission groove. Driven gears are fixedly sleeved on the outer walls of multiple transmission shafts. Multiple driven gears mesh with drive gears. The lower ends of multiple transmission shafts penetrate the sealed cover and are fixedly connected to corresponding threaded rods. An internal hexagonal knob is rotatably connected to the center of the upper end of the sealed cover. The upper end of the drive shaft penetrates the sealed cover and is fixedly connected to the internal hexagonal knob.

[0011] The above technical solution allows the drive shaft to rotate by turning the hexagonal knob with a wrench, which in turn causes the corresponding threaded rod to rotate via the provided drive gear, driven gear, and transmission shaft.

[0012] Furthermore, the inner wall of the movable groove is provided with multiple reset grooves, and a reset block is movably arranged inside each of the multiple reset grooves. A second reset spring is fixedly connected between each of the multiple reset blocks and the inner wall of the opposite end of the corresponding reset groove. Each of the multiple reset blocks is fixedly connected to the button.

[0013] The above technical solution, by providing a reset groove, a reset block, and a second reset spring, can effectively limit the button's movement and help it reset quickly.

[0014] Furthermore, a through groove is provided between the lower inner wall of the movable groove and the multiple telescopic grooves, and the multiple extrusion blocks are movably arranged in the corresponding through grooves and extrusion grooves;

[0015] By using the above technical solution, the extrusion block is moved within the corresponding through groove and extrusion groove, thereby allowing the extrusion block to move smoothly within the extrusion groove and the locking block to retract into the telescopic groove.

[0016] Furthermore, limit grooves are formed on both sides of the inner wall of the plurality of limit sleeves, and limit blocks are slidably arranged inside the plurality of limit grooves, and the plurality of limit blocks are fixedly connected to the corresponding threaded sleeves.

[0017] Through the above technical solution, by providing a limiting groove and a limiting block, the threaded sleeve can be moved effectively and stably.

[0018] Furthermore, multiple limiting sleeves are engaged in corresponding connecting grooves, multiple threaded sleeves are engaged in corresponding connecting slots, and multiple limiting blocks are engaged in corresponding limiting slots.

[0019] By using the above technical solution, the sealing cover can be fixed to the steel sleeve by engaging the limiting sleeve in the corresponding connecting groove, engaging the threaded sleeve in the corresponding connecting groove, and engaging the limiting block in the corresponding limiting groove, thus effectively preventing unauthorized personnel from accidentally touching the button.

[0020] Furthermore, handles are fixedly connected to both sides of the upper end of the sealing cap, and a sealing ring is fixedly fitted on the lower part of the outer wall of the sealing cap;

[0021] The above technical solution, by providing a handle, facilitates the operator in taking the sealing cap, and by providing a sealing ring, improves the sealing effect of the sealing cap on the wellhead.

[0022] This utility model has the following beneficial effects:

[0023] 1. The present invention proposes a sealing device for foundation pit dewatering, which is equipped with a quick sealing component. When performing the sealing operation, it is only necessary to move the control button. The locking block is locked into the locking groove by the first and second return springs, thereby completing the fixed sealing operation. The operation process is simple and quick, reducing the complexity of manual operation and physical consumption, and greatly improving work efficiency.

[0024] 2. The sealing device for foundation pit dewatering proposed in this utility model has an anti-accidental touch design. After the sealing operation is completed, the sealing cover is inserted into the steel sleeve, and the movement of the threaded sleeve is controlled. With the help of the provided return spring, limiting block and limiting groove, the sealing cover can be fixed on the steel sleeve, thereby providing a sealed protection for the quick sealing component. This effectively prevents unauthorized personnel from accidentally touching the button, ensuring the safety and reliability of the sealing system. Moreover, compared with the traditional sealing operation that requires tightening multiple bolts one by one, the entire sealing and opening process is more convenient and easier to operate, greatly improving work efficiency and reducing the labor intensity of workers. Attached Figure Description

[0025] Figure 1 This is an isometric schematic diagram of a sealing device for dewatering foundation pits proposed in this utility model;

[0026] Figure 2 This is a partial isometric schematic diagram of a sealing device for foundation pit dewatering proposed in this utility model;

[0027] Figure 3 This is a front sectional view of a sealing device for dewatering foundation pits proposed in this utility model;

[0028] Figure 4 for Figure 3 Enlarged structural diagram at point A;

[0029] Figure 5 for Figure 3 Enlarged structural diagram at point B;

[0030] Figure 6 This is a top-section schematic diagram of a sealing device for dewatering foundation pits proposed in this utility model.

[0031] Legend:

[0032] 1. Steel casing; 2. Wellhead; 3. Quick-sealing assembly; 4. Anti-accidental contact assembly; 5. Sealing cap; 6. Telescopic groove; 7. Locking block; 8. First return spring; 9. Locking groove; 10. Movable groove; 11. Button; 12. Compression block; 13. Passing groove; 14. Compression groove; 15. Return groove; 16. Return block; 17. Second return spring; 18. Sealing ring; 19. Sealing cap; 20. Threaded rod; 21. Threaded sleeve; 22. Connecting groove; 23. Connecting slot; 24. Limiting sleeve; 25. Limiting groove; 26. Limiting block; 27. Rebound groove; 28. Limiting block; 29. ​​Restricting slot; 30. Return spring; 31. Transmission groove; 32. Drive shaft; 33. Transmission shaft; 34. Drive gear; 35. Driven gear; 36. Hexagonal knob; 37. Handle. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Reference Figure 2-4 and Figure 6 The present invention provides a specific embodiment of a sealing device for foundation pit dewatering, comprising a steel casing 1, a wellhead 2 fixedly provided at the lower end of the steel casing 1, a quick sealing component 3 provided between the steel casing 1 and the wellhead 2, and an anti-accidental contact component 4 provided at the upper end of the steel casing 1.

[0035] The quick-sealing assembly 3 includes a sealing cap 5, which is snapped into the interior of the steel casing 1 and the wellhead 2. The outer wall of the sealing cap 5 has multiple expansion grooves 6, each containing a locking block 7. The lower inner wall of the steel casing 1 has multiple locking grooves 9, each containing a locking block 7. A first return spring 8 is fixedly connected between each locking block 7 and the inner wall of the corresponding locking groove 9. A movable groove 10 is located at the center of the upper end of the sealing cap 5. The movable groove 10 is... A button 11 is provided, and multiple pressing blocks 12 are fixedly connected to the lower end of the button 11. Each of the multiple locking blocks 7 has a pressing groove 14 at its upper end. A through groove 13 is provided between the lower inner wall of the movable groove 10 and each of the multiple telescopic grooves 6. The multiple pressing blocks 12 are movably positioned within their respective through grooves 13 and pressing grooves 14. By moving the pressing blocks 12 within their respective through grooves 13 and pressing grooves 14, the pressing blocks 12 can be smoothly controlled to move within the pressing grooves 14, thereby causing the locking blocks 7 to retract into the telescopic grooves 6. By incorporating a quick-sealing component 3, during the sealing operation, simply moving the button 11 allows the locking block 7 to engage with the locking groove 9 via the first return spring 8 and the second return spring 17, thus completing the sealing operation. This simple and quick operation reduces the complexity and physical exertion of manual operation, greatly improving work efficiency. The inner wall of the movable groove 10 is provided with multiple return grooves 15, and each of the multiple return grooves 15 has a movably disposed return block 16. A second return spring 17 is fixedly connected between each of the multiple return blocks 16 and the inner wall of the corresponding return groove 15. By incorporating the return grooves 15, return blocks 16, and second return springs 17, the button 11 can be effectively limited and can be quickly reset. Handles 37 are fixedly connected to both sides of the upper end of the sealing cover 5, and a sealing ring 18 is fixedly fitted on the lower part of the outer wall of the sealing cover 5. The handles 37 facilitate the operator to pick up the sealing cover 5, and the sealing ring 18 improves the sealing effect of the sealing cover 5 on the wellhead 2.

[0036] Reference Figure 1-3 and Figure 5The anti-accidental contact component 4 includes a sealing cover 19, which is snapped into the steel sleeve 1. Multiple threaded rods 20 are rotatably connected to the lower end of the sealing cover 19. Threaded sleeves 21 are threadedly fitted onto the outer walls of each threaded rod 20. Limiting sleeves 24 are fixedly connected to the lower end of the sealing cover 19 near the threaded rods 20. Limiting grooves 25 are formed on both sides of the inner walls of the multiple limiting sleeves 24. Limiting blocks 26 are slidably arranged inside the multiple limiting grooves 25. Each limiting block 26 is fixedly connected to a corresponding threaded sleeve 21. By providing the limiting grooves 25 and the limiting blocks 26, the threaded sleeves 21 can move effectively and stably. Multiple connecting grooves 22 are formed at the upper end of the steel sleeve 1. The lower inner walls of the multiple connecting grooves 22... Each of the multiple connecting slots 23 has a connecting groove 23, and a spring groove 27 is formed on one side of the inner wall of each connecting slot 23. A limit block 28 is movably disposed inside each spring groove 27. Each of the multiple threaded sleeves 21 has a limiting groove 29 on one side of its outer wall. Multiple limiting sleeves 24 are engaged in their corresponding connecting slots 22, multiple threaded sleeves 21 are engaged in their corresponding connecting slots 23, and multiple limiting blocks 28 are engaged in their corresponding limiting grooves 29. By engaging the limiting sleeves 24 in their corresponding connecting slots 22, the threaded sleeves 21 in their corresponding connecting slots 23, and the limiting blocks 28 in their corresponding limiting grooves 29, the sealing cover 19 can be fixedly secured to the steel sleeve 1. To effectively prevent unauthorized personnel from accidentally touching button 11, multiple limit blocks 28 and corresponding rebound grooves 27 are all fixedly connected to the inner walls of opposite ends with return springs 30. With this anti-accidental-touch design, after the sealing operation is completed, the sealing cover 19 can be inserted into the steel sleeve 1, and the threaded sleeve 21 can be moved. In conjunction with the return springs 30, limit blocks, and limit grooves 29, the sealing cover 19 can be fixed to the steel sleeve 1, thus providing a sealed protection for the quick-sealing assembly 3, effectively preventing unauthorized personnel from accidentally touching button 11, and ensuring the safety and reliability of the sealing system. The sealing cover 19 has a transmission groove 31 inside, and a drive shaft 32 is rotatably connected between the upper and lower inner walls of the transmission groove 31. The outer wall of the drive shaft 32 is fixedly fitted with a drive gear 34. The upper and lower inner walls of the transmission groove 31 are rotatably connected to the drive shaft 33 on both sides and at the front and rear. The outer walls of the multiple drive shafts 33 are fixedly fitted with driven gears 35. The multiple driven gears 35 mesh with the drive gear 34. The lower ends of the multiple drive shafts 33 pass through the sealing cover 19 and are fixedly connected to the corresponding threaded rods 20. The upper center of the sealing cover 19 is rotatably connected to an internal hexagonal knob 36. The upper end of the drive shaft 32 passes through the sealing cover 19 and is fixedly connected to the internal hexagonal knob 36. By using a wrench to rotate the internal hexagonal knob 36, the drive shaft 32 can be rotated. The corresponding threaded rods 20 can be rotated via the provided drive gear 34, driven gears 35 and drive shafts 33.

[0037] Working principle: During the sealing operation, simply press button 11 to move the extrusion block 12 within the extrusion groove 14, thereby causing the locking block 7 to retract into the telescopic groove 6. This allows the sealing cover 5 to be smoothly inserted into the steel casing 1 and the wellhead 2, completing the initial sealing. Then, by releasing button 11, the first return spring 8 and the second return spring 17 reset button 11 and the locking block 7, allowing the locking block 7 to pop out and lock into the locking groove 9, thus completing the fixed sealing operation. This operation is simple and quick, reducing the complexity and physical exertion of manual operation and greatly improving work efficiency. Furthermore, the sealing device of this application also has an anti-accidental touch design, effectively preventing unauthorized personnel from accidentally touching button 11. Specifically, after completing the fixed sealing operation, by inserting the sealing cover 19 onto the steel casing 1, the sealing cover 19... Multiple limiting sleeves 24 are inserted into the corresponding connecting grooves 22. Then, the drive shaft 32 can be rotated by turning the hexagonal knob 36 with a wrench. This causes the corresponding threaded rod 20 to rotate via the drive gear 34, driven gear 35, and transmission shaft 33. This causes the threaded sleeve 21 to move down and be inserted into the connecting groove 23. At this time, the limiting block can be inserted into the limiting groove 29 via the return spring 30. This fixes the sealing cover 19 to the steel sleeve 1, effectively preventing unauthorized personnel from accidentally touching the button 11 and ensuring the safety and reliability of the sealing system. When it is necessary to open the sealing cover 19, simply turn the hexagonal knob 36 in the opposite direction to move the threaded sleeve 21 up and push the limiting block out of the limiting groove 29. This releases the sealing cover 19 and allows it to be removed from the steel sleeve 1.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sealing device for foundation pit dewatering, comprising a steel sleeve (1), characterized in that: A wellhead (2) is fixedly provided at the lower end of the steel casing (1), a quick-sealing assembly (3) is provided between the steel casing (1) and the wellhead (2), and an anti-accidental contact assembly (4) is provided at the upper end of the steel casing (1). The quick-sealing assembly (3) includes a sealing cover (5), which is engaged inside the steel casing (1) and the wellhead (2). The outer wall of the sealing cover (5) is provided with multiple telescopic grooves (6), and each of the multiple telescopic grooves (6) is movably provided with a locking block (7). The lower part of the inner wall of the steel casing (1) is provided with multiple locking grooves (9), and each of the multiple locking blocks (7) is engaged in the corresponding locking groove (9). A first return spring (8) is fixedly connected between the inner walls of the multiple locking blocks (7) and the corresponding locking grooves (9) on opposite sides. A movable groove (10) is provided at the center of the upper end of the sealing cover (5), and a button (11) is movably provided inside the movable groove (10). The lower end of the button (11) is fixedly connected with multiple extrusion blocks (12), and the upper end of each of the multiple locking blocks (7) is provided with an extrusion groove (14).

2. The sealing device for foundation pit dewatering according to claim 1, characterized in that: The anti-accidental contact component (4) includes a sealing cover (19), which is snapped into the steel sleeve (1). The lower end of the sealing cover (19) is rotatably connected to multiple threaded rods (20). The outer walls of each threaded rod (20) are threaded with threaded sleeves (21). Limiting sleeves (24) are fixedly connected to the lower end of the sealing cover (19) near the multiple threaded rods (20). The upper end of the steel sleeve (1) has multiple connecting grooves (22). Each of the connecting grooves (22) has a connecting slot (23) on its lower inner wall. Each of the connecting slots (23) has a spring groove (27) on one side of its inner wall. Each of the spring grooves (27) has a limiting block (28) inside it. Each of the threaded sleeves (21) has a limiting slot (29) on one side of its outer wall. Each of the limiting blocks (28) and the inner wall of the corresponding spring groove (27) is fixedly connected with a return spring (30).

3. The sealing device for foundation pit dewatering according to claim 2, characterized in that: The sealed cover (19) has a transmission groove (31) inside. A drive shaft (32) is rotatably connected between the upper and lower inner walls of the transmission groove (31). A drive gear (34) is fixedly sleeved on the outer wall of the drive shaft (32). Transmission shafts (33) are rotatably connected to both sides and the front and rear of the upper and lower inner walls of the transmission groove (31). A driven gear (35) is fixedly sleeved on the outer wall of each of the multiple transmission shafts (33). Each of the multiple driven gears (35) meshes with the drive gear (34). The lower ends of each of the multiple transmission shafts (33) pass through the sealed cover (19) and are fixedly connected to the corresponding threaded rod (20). An internal hexagonal knob (36) is rotatably connected to the center of the upper end of the sealed cover (19). The upper end of the drive shaft (32) passes through the sealed cover (19) and is fixedly connected to the internal hexagonal knob (36).

4. The sealing device for foundation pit dewatering according to claim 1, characterized in that: The inner wall of the movable groove (10) is provided with a plurality of reset grooves (15), and a reset block (16) is movably arranged inside each of the plurality of reset grooves (15). A second reset spring (17) is fixedly connected between the plurality of reset blocks (16) and the inner wall of the opposite end of the corresponding reset groove (15). The plurality of reset blocks (16) are fixedly connected to the button (11).

5. A sealing device for foundation pit dewatering according to claim 1, characterized in that: The lower inner wall of the movable groove (10) is provided with a through groove (13) between it and the multiple telescopic grooves (6), and the multiple extrusion blocks (12) are movably arranged in the corresponding through groove (13) and extrusion groove (14).

6. A sealing device for foundation pit dewatering according to claim 2, characterized in that: Each of the multiple limiting sleeves (24) has a limiting groove (25) on both sides of its inner wall, and a limiting block (26) is slidably arranged inside each of the multiple limiting grooves (25). Each of the multiple limiting blocks (26) is fixedly connected to the corresponding threaded sleeve (21).

7. A sealing device for foundation pit dewatering according to claim 2, characterized in that: Multiple limiting sleeves (24) are engaged in the corresponding connecting grooves (22), multiple threaded sleeves (21) are engaged in the corresponding connecting grooves (23), and multiple limiting blocks (28) are engaged in the corresponding limiting grooves (29).

8. A sealing device for foundation pit dewatering according to claim 1, characterized in that: The upper end of the sealing cap (5) is fixedly connected to both sides of the handle (37), and a sealing ring (18) is fixedly fitted on the lower part of the outer wall of the sealing cap (5).

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