Plugging device for dewatering well of deep foundation pit

Abstract

The utility model discloses a deep foundation pit dewatering well plugging device, which belongs to the technical field of deep foundation pit dewatering wells, and comprises an outer support frame, a fixing component is embedded at the top of the outer support frame, the bottom of the outer support frame is connected with a water well mouth, and the side surface of the water well mouth is communicated with a dismounting component. The plugging plate is pulled outwards to move into the outer supporting frame, the fixing block automatically moves downwards to be reset and is inserted into the fixing groove to store and position the plugging plate under the elastic working force of the second spring when the water wellhead is completely opened, and the control rod is lifted upwards to drive the fixing block to be separated from the fixing groove so that the plugging plate can be separated from positioning. The device is more labor-saving and convenient to use; through the arrangement of the dismounting assembly, under the elastic acting force of the third spring in the groove, the clamping blocks and the clamping grooves are tightly connected in an inserted mode so that the blind plate can be installed and fixed, the handle is held to move towards the inner side, the two clamping blocks are separated from the clamping grooves, and then dismounting operation can be completed by lifting the blind plate upwards.

Description

Technical Field

[0001] The utility model belongs to the technical field of deep foundation pit dewatering wells, and particularly relates to a deep foundation pit dewatering well sealing device. Background Art

[0002] With the development of economic construction, the construction of large-scale urban complex projects and large-scale underground deep foundation pits has placed particular emphasis on foundation pit construction safety and quality. Dewatering is one of the key components of deep foundation pit construction, and deep foundation pits are generally constructed using wellpoint dewatering.

[0003] Chinese patent application No. 202323433853.8 discloses a rapid sealing device for a deep foundation pit dewatering well, comprising: a sealing mechanism, including an outer support component, a group of sealing components slidably embedded in the interior of the outer support component; a positioning mechanism, including a mounting component fixedly installed on the upper side of the outer support component, and a group of positioning components embedded on the mounting component; a group of the positioning components can respectively position a group of sealing components; the utility model uses a group of sealing components to be pulled to both sides along the outer support component. When pulled to the extreme position, a group of positioning components moves on the mounting component and then resets. At this time, a group of sealing components are respectively limited by a group of positioning components, thereby maintaining the state of opening the dewatering wellhead, quickly extracting groundwater and filling it, and fixing the blind plate on the waterproof steel casing preset on the dewatering wellhead, thereby playing a preliminary sealing role on the dewatering wellhead.

[0004] In the above-mentioned public patent, after the two sealing plates are moved outward and opened, the positioning is completed by engaging the trapezoidal push block with the positioning block. It is necessary to pull the sealing plate with one hand and move the trapezoidal push block with the other hand. The operation is laborious and inconvenient to use. The well mouth is initially sealed by covering it with a blind plate and locking it with multiple bolts, which is extremely cumbersome to disassemble and assemble. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a deep foundation pit dewatering well blocking device, which has the characteristics of simple operation and good use effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a deep foundation pit dewatering well sealing device, comprising an outer support frame, two guide rods embedded in the interior of the outer support frame, two sealing plates sleeved on the surface of the guide rods, a spring four is provided on the outside of the sealing plate, a fixing component is embedded in the top of the outer support frame, the bottom of the outer support frame is connected to a water well mouth, the side of the water well mouth is connected to a disassembly and assembly component, and a blind plate is embedded in the inside of the water well mouth.

[0007] Preferably, the fixing component includes an auxiliary component, a fixing block, a fixing groove, a control rod and a second spring, wherein two control rods are embedded in the top of the outer support frame, the bottom of the control rod is connected to the fixing block, a second spring is arranged above the fixing block, a fixing groove is opened on the top of the sealing plate, an auxiliary component is embedded in the surface of the sealing plate on one side, and a plug-in structure is formed between the fixing block and the fixing groove.

[0008] Preferably, the bottom end of the fixing block is in a beveled section structure, and the fixing groove and the inner groove of the outer support frame above the fixing block are both in a square columnar structure.

[0009] Preferably, the auxiliary component includes a connecting groove, a spring 1, a bottom block and a connecting rod, wherein a connecting rod is embedded in the surface of the sealing plate on one side, the bottom of the connecting rod is connected to the bottom block, a spring 1 is arranged above the bottom block, and a connecting groove is opened on the surface of the sealing plate on the other side.

[0010] Preferably, the disassembly and assembly components include a card slot, a card block, a spring three, a groove and a handle, wherein the side of the well mouth is connected with two card slots, two card blocks are embedded in the interior of the blind plate, the side of the card block is connected with a spring three, two grooves are provided in the interior of the blind plate, and two handles are provided on the top of the blind plate.

[0011] Preferably, the groove and the block are both L-shaped structures, and the surface of the block fits tightly against the inner wall of the groove.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model sets a fixing component, pulls the sealing plate outward to move it into the outer support frame, and when the water well mouth is fully opened, under the elastic working force of the second spring, the fixing block automatically moves down and resets and is inserted into the fixing groove to store and position the sealing plate. The upward control rod drives the fixing block to separate from the fixing groove, so that the sealing plate can be released from the position, which makes the device more labor-saving and convenient to use.

[0014] 2. The utility model sets a disassembly assembly component. Under the elastic force of the spring three inside the groove, the card block and the card slot are tightly plugged together to fix the blind plate. Hold the handle and move the two card blocks inward to separate them from the card slot. Then lift the blind plate to complete the disassembly, which makes the blind plate disassembly and assembly operation easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the main view of the utility model;

[0016] Figure 2 This is the front view of the fixing assembly of the present utility model;

[0017] Figure 3 This is the front view of the auxiliary component of the utility model;

[0018] Figure 4 This is the front view of the disassembly and assembly components of the utility model.

[0019] In the figure: 1. External support frame; 2. Fixed assembly; 21. Auxiliary assembly; 211. Connecting groove; 212. Spring one; 213. Bottom block; 214. Connecting rod; 22. Fixed block; 23. Fixed groove; 24. Control lever; 25. Spring two; 3. Disassembly and assembly assembly; 31. Slot; 32. Block; 33. Spring three; 34. Groove; 35. Handle; 4. Blind plate; 5. Spring four; 6. Guide rod; 7. Wellhead; 8. Sealing plate. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a deep foundation pit dewatering well sealing device, comprising an outer support frame 1, two guide rods 6 embedded in the interior of the outer support frame 1, two sealing plates 8 sleeved on the surface of the guide rods 6, a spring four 5 is provided on the outside of the sealing plate 8, a fixing component 2 is embedded in the top of the outer support frame 1, a water well mouth 7 is connected to the bottom of the outer support frame 1, a disassembly and assembly component 3 is connected to the side of the water well mouth 7, and a blind plate 4 is embedded in the inside of the water well mouth 7.

[0023] Specifically, the fixing component 2 includes an auxiliary component 21, a fixing block 22, a fixing groove 23, a control rod 24 and a spring 25. Two control rods 24 are embedded in the top of the outer support frame 1. The bottom of the control rod 24 is connected to the fixing block 22. A spring 25 is arranged above the fixing block 22. A fixing groove 23 is opened on the top of the sealing plate 8. The auxiliary component 21 is embedded in the surface of the sealing plate 8 on one side. The fixing block 22 and the fixing groove 23 are plug-in structures.

[0024] By adopting the above technical solution, the sealing plate 8 is pulled outward to move it into the outer support frame 1. When the water well mouth 7 is fully opened, under the elastic operating force of the spring 25, the fixed block 22 automatically moves down and resets and is inserted into the fixed groove 23 to store and position the sealing plate 8. The upward control rod 24 drives the fixed block 22 to separate from the fixed groove 23, so that the sealing plate 8 can be released from the position, making the device more labor-saving and convenient to use.

[0025] Specifically, the bottom end of the fixing block 22 is in a beveled structure, and the fixing groove 23 and the inner groove of the outer support frame 1 above the fixing block 22 are both in a square columnar structure.

[0026] By adopting the above technical solution, after the side of the blocking plate 8 contacts the beveled surface of the fixing block 22, the blocking plate 8 and the fixing block 22 are tangent to each other, which allows the fixing block 22 to move upward, making it more convenient to use.

[0027] Specifically, the auxiliary component 21 includes a connecting groove 211, a spring 212, a bottom block 213 and a connecting rod 214. The connecting rod 214 is embedded in the surface of the sealing plate 8 on one side, the bottom of the connecting rod 214 is connected to the bottom block 213, and a spring 212 is arranged above the bottom block 213. A connecting groove 211 is opened on the surface of the sealing plate 8 on the other side.

[0028] By adopting the above technical solution, the connecting rod 214 is lifted and one end of it is moved to the top of the connecting groove 211. Then, under the elastic force of the spring 212 on the bottom block 213, the connecting rod 214 is inserted into the connecting groove 211 to complete the connection and reinforcement of the two sealing plates 8, which can make the sealing plate 8 more stable and have a better effect on sealing the wellhead of the deep foundation pit dewatering well.

[0029] When this embodiment is used, the blind plate 4 is covered on the well mouth 7, and then under the elastic force of the spring 45 on the surface of the guide rod 6, the two blocking plates 8 in the outer support frame 1 will move toward each other and get closer, and the two blocking plates 8 play a secondary blocking effect above the blind plate 4, and the connecting rod 214 is lifted and one end thereof is moved to the top of the connecting groove 211, and then under the elastic force of the spring 1 212 on the bottom block 213, the connecting rod 214 is inserted into the connecting groove 211 to complete the connection and reinforcement of the two blocking plates 8, which can make the blocking plates 8 more stable. The wellhead sealing effect of the deep foundation pit dewatering well is better. The sealing plate 8 is pulled outward to move it into the outer support frame 1. After the side of the sealing plate 8 contacts the oblique section of the fixed block 22, the sealing plate 8 and the fixed block 22 are tangent to each other, which can make the fixed block 22 move up. When the wellhead 7 is fully opened, under the elastic operating force of the spring 25, the fixed block 22 automatically moves down and resets and is inserted into the fixed groove 23 to store and position the sealing plate 8. The upward control rod 24 drives the fixed block 22 to separate from the fixed groove 23, so that the sealing plate 8 can be disengaged from the position, which can make the device more labor-saving and convenient to use.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that the disassembly and assembly component 3 includes a slot 31, a block 32, a spring three 33, a groove 34 and a handle 35. The side of the wellhead 7 is connected with two slots 31, the interior of the blind plate 4 is embedded with two blocks 32, the side of the block 32 is connected with a spring three 33, the interior of the blind plate 4 is provided with two grooves 34, and the top of the blind plate 4 is provided with two handles 35.

[0032] Specifically, the groove 34 and the block 32 are both L-shaped structures, and the surface of the block 32 fits tightly against the inner wall of the groove 34 .

[0033] By adopting the above technical solution, under the elastic force of the spring 33 inside the groove 34, the block 32 and the slot 31 are tightly plugged together to fix the blind plate 4. The handle 35 is held and moved inward to separate the two blocks 32 from the slot 31. Then, the blind plate 4 can be lifted up to complete the disassembly, making the disassembly and assembly of the blind plate 4 easier.

[0034] When this embodiment is used, under the elastic force of the spring 33 inside the groove 34, the block 32 and the slot 31 are tightly plugged together to fix the blind plate 4. The handle 35 is held and moved inward to separate the two blocks 32 from the slot 31. Then, the blind plate 4 can be lifted up to complete the disassembly, making the disassembly and assembly of the blind plate 4 easier.

[0035] The structure and use principle of the outer support frame 1, blind plate 4, spring four 5, guide rod 6, wellhead 7 and sealing plate 8 in the utility model have been disclosed in Chinese patent application No. 202323433853.8, which discloses a deep foundation pit dewatering well rapid sealing device. Its working principle is to cover the blind plate 4 at the wellhead 7 and lock multiple bolts to complete the initial sealing and fixation. Then, under the elastic force of the spring four 5 on the surface of the guide rod 6, the two sealing plates 8 in the outer support frame 1 will move toward each other and approach each other, and the two sealing plates 8 above the blind plate 4 play a secondary sealing effect.

[0036] The working principle and use process of the present invention are as follows: when the present invention is used, the blind plate 4 is covered on the water well mouth 7. Under the elastic force of the spring three 33 inside the groove 34, the block 32 and the slot 31 are tightly plugged together to make the blind plate 4 installed and fixed. The two blocks 32 are moved inward by holding the handle 35 to separate from the slot 31. Then the blind plate 4 can be lifted up to complete the disassembly, which can make the disassembly and assembly of the blind plate 4 easier. Then, under the elastic force of the spring four 5 on the surface of the guide rod 6, the two blocking plates 8 in the outer support frame 1 will move toward each other and get closer. The two blocking plates 8 play a secondary blocking effect above the blind plate 4. The connecting rod 214 is lifted up and one end of it is moved to the top of the connecting groove 211. Then, the spring one 212 Under the elastic force of the bottom block 213, the connecting rod 214 is inserted into the connecting groove 211 to complete the connection and reinforcement of the two sealing plates 8, which can make the sealing plate 8 more stable and have a better sealing effect on the wellhead of the deep foundation pit dewatering well. The sealing plate 8 is pulled outward to move it into the outer support frame 1. After the side of the sealing plate 8 contacts the oblique section of the fixed block 22, the tangency between the sealing plate 8 and the fixed block 22 can make the fixed block 22 move up. When the wellhead 7 is fully opened, under the elastic operating force of the spring 25, the fixed block 22 automatically moves down and resets and is inserted into the fixed groove 23 to store and position the sealing plate 8. The upward control rod 24 drives the fixed block 22 to separate from the fixed groove 23, so that the sealing plate 8 can be disengaged from the position, making the device more labor-saving and convenient to use.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A deep foundation pit dewatering well plugging device, comprising an outer support frame (1), characterized in that: Two guide rods (6) are embedded in the interior of the outer support frame (1), two sealing plates (8) are sleeved on the surface of the guide rods (6), and springs (5) are arranged on the outside of the sealing plates (8). A fixing component (2) is embedded in the top of the outer support frame (1), and a water well mouth (7) is connected to the bottom of the outer support frame (1). The side of the water well mouth (7) is connected to a disassembly component (3), and a blind plate (4) is embedded in the interior of the water well mouth (7).

2. The deep foundation pit dewatering well plugging device according to claim 1, characterized in that: The fixing assembly (2) comprises an auxiliary assembly (21), a fixing block (22), a fixing groove (23), a control rod (24) and a second spring (25), wherein two control rods (24) are embedded in the top of the outer support frame (1), the bottom of the control rod (24) is connected to the fixing block (22), a second spring (25) is arranged above the fixing block (22), a fixing groove (23) is opened on the top of the blocking plate (8), the auxiliary assembly (21) is embedded in the surface of one side of the blocking plate (8), and a plug-in structure is formed between the fixing block (22) and the fixing groove (23).

3. The deep foundation pit dewatering well plugging device according to claim 2, characterized in that: The bottom end of the fixing block (22) is in a beveled section structure, and the fixing groove (23) and the inner groove of the outer support frame (1) above the fixing block (22) are both in a square columnar structure.

4. The deep foundation pit dewatering well plugging device according to claim 2, characterized in that: The auxiliary component (21) includes a connecting groove (211), a spring (212), a bottom block (213) and a connecting rod (214), wherein the connecting rod (214) is embedded in the surface of the blocking plate (8) on one side, the bottom of the connecting rod (214) is connected to the bottom block (213), a spring (212) is provided above the bottom block (213), and the connecting groove (211) is provided on the surface of the blocking plate (8) on the other side.

5. The deep foundation pit dewatering well plugging device according to claim 1, characterized in that: The disassembly assembly (3) comprises a card slot (31), a card block (32), a spring three (33), a groove (34) and a handle (35), wherein the side of the water well mouth (7) is connected with two card slots (31), the interior of the blind plate (4) is embedded with two card blocks (32), the side of the card block (32) is connected with the spring three (33), the interior of the blind plate (4) is provided with two grooves (34), and the top of the blind plate (4) is provided with two handles (35).

6. The deep foundation pit dewatering well plugging device according to claim 5, characterized in that: The groove (34) and the clamping block (32) are both L-shaped structures, and the surface of the clamping block (32) is tightly fitted with the inner wall of the groove (34).

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