CN214574070U - Flange well sealing device for dewatering well penetrating through bottom plate in foundation pit - Google Patents
Flange well sealing device for dewatering well penetrating through bottom plate in foundation pit Download PDFInfo
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- CN214574070U CN214574070U CN202120844679.8U CN202120844679U CN214574070U CN 214574070 U CN214574070 U CN 214574070U CN 202120844679 U CN202120844679 U CN 202120844679U CN 214574070 U CN214574070 U CN 214574070U
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- flange
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- 238000007789 sealing Methods 0.000 title claims abstract description 105
- 230000000149 penetrating effect Effects 0.000 title claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 238000001556 precipitation Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 238000005580 one pot reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000003673 groundwater Substances 0.000 description 12
- 239000000284 extract Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a wear bottom plate dewatering well flange well sealing device for well in foundation ditch is applied to dewatering well shutoff construction technical field, and it is including setting up the steel sleeve in the bottom plate, the well head intercommunication of steel sleeve and dewatering well, the one end that dewatering well was kept away from to the steel sleeve is equipped with sealed lid, the apopore has been seted up on the lateral wall of steel sleeve, sealed covering is equipped with the sealing mechanism who is used for sealing up the apopore. This application can reach the effect of quick shutoff precipitation well through sealing mechanism to operation process is simple convenient, has reduced the shutoff degree of difficulty of precipitation well, so that the operator carries out the shutoff to the precipitation well fast convenient, has promoted the shutoff quality of precipitation well, is favorable to promoting the safety and stability among the work progress.
Description
Technical Field
The utility model belongs to the technical field of precipitation well shutoff construction technique and specifically relates to a wear bottom plate precipitation well flange well plugging device for well in foundation ditch.
Background
In foundation pit engineering, in order to ensure safe construction operation of construction machinery and workers in a foundation pit, underground water is generally lowered to a construction working surface of below 0.5-1 m. Arranging the precipitation well at the periphery of the deep foundation pit can reduce the underground water level of the foundation pit, but the precipitation effect of the foundation pit with large area and large span of the foundation pit is poor. Therefore, a dewatering well in the foundation pit needs to be arranged at a proper position of the deep foundation pit according to the geological survey data and is blocked.
The chinese patent with publication number CN208618432U discloses a plugging device for deep basal pit dewatering well, including waterproof sleeve, outer sealing ring, interior stagnant water flange and shrouding, waterproof sleeve is the steel casing pipe, outer sealing ring sets up the middle part in the waterproof sleeve outside, interior stagnant water flange sets up the middle part in waterproof sleeve inboard, evenly set up a plurality of bolt holes along same circumference on the stagnant water flange including, the vertical bolt hole that corresponds on upwards passing interior stagnant water flange of every fixing bolt's screw rod, the bottom fixed connection of welding mode and interior stagnant water flange is passed through to fixing bolt's bottom, the shrouding passes through fixing bolt and interior stagnant water flange fixed connection.
In the process of plugging the dewatering well, the underground water easily gushes into the waterproof sleeve from the dewatering well, so that the dewatering well is directly plugged through the sealing plate, the plugging difficulty is high, an operator cannot conveniently and rapidly plug the dewatering well, and the plugging quality of the dewatering well is influenced.
SUMMERY OF THE UTILITY MODEL
In order to improve the precipitation well shutoff degree of difficulty higher, the operator of being not convenient for carries out the problem of quick shutoff to the precipitation well, this application provides a wear bottom plate precipitation well flange well sealing device for in the foundation ditch.
The application provides a pair of wear bottom plate dewatering well flange well plugging device in foundation ditch adopts following technical scheme:
the utility model provides a wear bottom plate dewatering well flange well sealing device for well in foundation ditch, is including setting up the steel sleeve in the bottom plate, the steel sleeve communicates with the well head of dewatering well, the one end that dewatering well was kept away from to the steel sleeve is equipped with sealed lid, the apopore has been seted up on the lateral wall of steel sleeve, sealed covering is equipped with the sealing mechanism who is used for sealing up the apopore.
Through adopting above-mentioned technical scheme, at the in-process of shutoff precipitation well, the operator establishes the well head department of precipitation well with the steel sleeve cover, and fix the one end of sealing cover and keeping away from the precipitation well at the steel sleeve, the operator can draw water from the precipitation well through the apopore this moment, make the water level reduction in the precipitation well, reduce the water pressure in the precipitation well simultaneously, the operator seals the apopore through sealing mechanism after that, with the effect that reaches quick shutoff precipitation well, and the operation process is simple convenient, the shutoff degree of difficulty of precipitation well has been reduced, thereby be convenient for quick convenient shutoff to the precipitation well of operator, and then the shutoff quality of precipitation well has been promoted, with the durability that improves the bottom plate structure.
Optionally, the sealing mechanism comprises a threaded rod rotatably connected to the sealing cover, a fixed plate is arranged in the steel sleeve, a plurality of water permeable holes are formed in the fixed plate, the threaded rod is rotatably connected to the fixed plate through screws, a limiting cylinder is arranged on one side, facing the fixed plate, of the sealing cover, a pushing block is slidably arranged in the limiting cylinder, and the pushing block is connected to the threaded rod through threads; the threaded rod is equipped with the sliding sleeve in the pot head that promotes the piece and keep away from sealed lid, it has the connecting rod to articulate on the lateral wall of sliding sleeve, the one end that the sliding sleeve was kept away from to the connecting rod inclines to the fixed plate, just the one end that the sliding sleeve was kept away from to the connecting rod articulates there is the closing plate that is used for sealed apopore.
Through adopting above-mentioned technical scheme, at the in-process of sealed apopore, the operator rotates the threaded rod, spacing section of thick bamboo restricts the moving direction who promotes the piece this moment, make and promote the piece and be linear motion, and promote the piece and promote the sliding sleeve and remove along the axis direction of threaded rod, make the sliding sleeve be close to the fixed plate, the sliding sleeve promotes the closing plate through the connecting rod simultaneously and is close to the apopore, when the closing plate supports tightly on the inner wall of steel sleeve, the closing plate seals the apopore, thereby seal the steel sleeve, in order to reach the effect of quick shutoff precipitation well, the condition that groundwater gushed out the precipitation well has been reduced and has taken place.
Optionally, the threaded rod is sleeved with a spring between the sliding sleeve and the fixed plate, one end of the spring abuts against the fixed plate, and the other end of the spring abuts against the sliding sleeve.
Through adopting above-mentioned technical scheme, the sliding sleeve is at the in-process that is close to the fixed plate, the sliding sleeve compresses the spring, the spring has the effect of buffering energy-absorbing by compressing, thereby the spring has played the effect of buffering to the sliding sleeve, and then stability when increasing the sliding sleeve and removing, the spring has the elasticity restoring force by compressing simultaneously, when operator's antiport threaded rod, the spring promotes the sliding sleeve and removes to one side of keeping away from the fixed plate, make the sliding sleeve drive the quick apopore of following of closing plate break away from, so that extract the groundwater in the precipitation well.
Optionally, a plurality of groups of balls which are abutted against the threaded rod are arranged on the inner wall of the sliding sleeve.
Through adopting above-mentioned technical scheme, when the sliding sleeve removed along threaded rod axis direction, ball and threaded rod produced the friction for the ball rolls on the sliding sleeve, thereby the ball converts the sliding friction between sliding sleeve and the threaded rod into rolling friction, and then has reduced the frictional force between sliding sleeve and the threaded rod, with the smooth degree when promoting the sliding sleeve and sliding.
Optionally, the fixed plate is provided with a guide groove along the moving direction of the sealing plate, a guide rod is slidably arranged in the guide groove, and the guide rod is fixed on the sealing plate.
Through adopting above-mentioned technical scheme, the closing plate is at the in-process that is close to the steel sleeve inner wall, and the closing plate drives the guide bar and removes along the length direction of guide way, and the guide way restricts the moving direction of guide bar this moment to the guide bar has played the effect of direction to the closing plate, with the stability when increasing the closing plate removal, and then the closing plate of being convenient for carries out accurate sealed to the apopore, with the leakproofness of improvement to the apopore.
Optionally, the guide rod is in threaded connection with a limit nut on one side of the fixing plate, which is away from the sealing plate.
Through adopting above-mentioned technical scheme, the guide bar is at the gliding in-process of guide way, and stop nut carries on spacingly to the guide bar to stability when increasing the guide bar and removing takes place with the condition that reduces the guide bar and break away from in the guide way.
Optionally, a sealing groove matched with the sealing plate is formed in the inner wall of the steel sleeve, the water outlet hole is formed in the bottom wall of the sealing groove, and the sealing plate is embedded in the sealing groove.
Through adopting above-mentioned technical scheme, when the closing plate inlays and locates in the seal groove, the seal groove has increased the area of contact between closing plate and the steel sleeve inner wall to increase the leakproofness between closing plate and the steel sleeve, in order to promote the sealed effect of closing plate to the apopore.
Optionally, a water stop ring is arranged on the outer side wall of the steel sleeve.
Through adopting above-mentioned technical scheme, set up the leakproofness that the seal ring can increase between steel sleeve and the bottom plate to reduce the possibility that the infiltration appears between steel sleeve and the bottom plate, the seal ring can increase the area of contact between steel sleeve and the bottom plate simultaneously, thereby increases the fastness between steel sleeve and the bottom plate.
Optionally, one side of the water stop ring close to the water outlet hole is provided with a buffer groove, and the buffer groove is communicated with the water outlet hole.
Through adopting above-mentioned technical scheme, when groundwater flows from the apopore, the dashpot can save water to the operator of being convenient for extracts groundwater, and then reduces the circumstances emergence that groundwater flowed into the bottom plate, with the durability that promotes the bottom plate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the effect of quickly plugging the dewatering well can be achieved through the sealing mechanism, the operation process is simple and convenient, the plugging difficulty of the dewatering well is reduced, an operator can conveniently and quickly plug the dewatering well, the plugging quality of the dewatering well is improved, and the durability of the bottom plate structure is improved;
2. the contact area between the sealing plate and the inner wall of the steel sleeve is increased through the sealing groove, so that the sealing performance between the sealing plate and the steel sleeve is increased, and the sealing effect of the sealing plate on the water outlet hole is improved;
3. can save water through the dashpot to the operator extracts groundwater, reduced the condition emergence that groundwater flowed into the bottom plate, in order to promote the durability of bottom plate.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 2 is a cross-sectional view of a flange shut-in device according to an embodiment of the present application.
Description of reference numerals: 1. a steel sleeve; 101. a water outlet hole; 102. a sealing groove; 11. a sealing cover; 12. a water stop ring; 13. a buffer tank; 2. a sealing mechanism; 21. a fixing plate; 211. water permeable holes; 212. a guide groove; 22. a threaded rod; 23. a limiting cylinder; 24. a pushing block; 25. a sliding sleeve; 251. a ball bearing; 26. a connecting rod; 27. a sealing plate; 271. a guide bar; 272. a limit nut; 28. a spring; 29. a gasket; 3. a base plate; 4. a dewatering well.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses wear bottom plate dewatering well flange well plugging device in foundation ditch.
Referring to fig. 1 and 2, the flange well sealing device comprises a steel sleeve 1 arranged in a bottom plate 3, a dewatering well 4 is arranged below the bottom plate 3, and the open end of the dewatering well 4 is sleeved with the steel sleeve 1. The steel sleeve 1 is a circular cylinder with openings at two ends, a sealing cover 11 is arranged at one end of the steel sleeve 1 far away from the dewatering well 4, and the sealing cover 11 is fixed on the steel sleeve 1 through bolts so as to seal an upper port of the steel sleeve 1. The outside cover of steel sleeve 1 is equipped with seal ring 12, and seal ring 12 welds on steel sleeve 1 to reduce the possibility that the infiltration appears between steel sleeve 1 and the bottom plate 3, can increase the fastness of being connected between steel sleeve 1 and the bottom plate 3 simultaneously.
Referring to fig. 1 and 2, a plurality of water outlet holes 101 are formed in the side wall of the steel sleeve 1 between the water stop ring 12 and the sealing cover 11, the number of the water outlet holes 101 can be three, and the three water outlet holes 101 are uniformly distributed along the circumferential direction of the steel sleeve 1. At this time, the operator can draw water from the steel sleeve 1 through the water outlet hole 101, so that the water level of the dewatering well 4 is lowered, and the water pressure in the dewatering well 4 is lowered. And sealed lid 11 is equipped with sealing mechanism 2 that is used for sealed apopore 101, and the operator seals apopore 101 through sealing mechanism 2, can reduce the continuous condition emergence that gushes from apopore 101 of groundwater.
Referring to fig. 1 and 2, the steel sleeve 1 is sleeved with a buffer groove 13 between the water stop ring 12 and the sealing cover 11, the buffer groove 13 is fixed on the water stop ring 12, and the three water outlet holes 101 are simultaneously communicated with the buffer groove 13. When groundwater is gushed from the outlet hole 101, the buffer tank 13 may temporarily store groundwater gushed from the outlet hole 101. At this time, the operator can clean the groundwater in the buffer tank 13 to reduce the occurrence of the groundwater directly flowing into the floor panel 3.
Referring to fig. 2, the sealing mechanism 2 includes a fixing plate 21 fixed in the steel sleeve 1, the fixing plate 21 is in a circular plate shape, a plurality of water permeable holes 211 are formed in the fixing plate 21 along a circumferential direction, and the water outlet 101 is disposed between the fixing plate 21 and the sealing cover 11. One side of the fixed plate 21 facing the sealing cover 11 is rotatably connected with a threaded rod 22, and the threaded rod 22 is coaxial with the steel sleeve 1. One end of the threaded rod 22 far away from the fixing plate 21 penetrates through the sealing cover 11, and the threaded rod 22 is rotatably connected to the sealing cover 11. The end of the threaded rod 22 remote from the fixed plate 21 is provided with a handle to facilitate the rotation of the threaded rod 22 by an operator.
Referring to fig. 2, a limiting cylinder 23 is sleeved on one side of the sealing cover 11 facing the fixing plate 21 of the threaded rod 22, the limiting cylinder 23 is fixed on the sealing cover 11 and coaxial with the threaded rod 22, a pushing block 24 in threaded connection with the threaded rod 22 is slidably arranged in the limiting cylinder 23, and the cross sections of the pushing block 24 and the limiting cylinder 23 are quadrilateral. When the operator rotates the threaded rod 22, the limiting cylinder 23 limits the moving direction of the pushing block 24, so that the pushing block 24 moves along the axial direction of the threaded rod 22.
Referring to fig. 2, the threaded rod 22 is sleeved with a sliding sleeve 25 between the pushing block 24 and the fixing plate 21, and the sliding sleeve 25 is slidably disposed on the threaded rod 22. The inner wall of the sliding sleeve 25 is provided with a plurality of groups of balls 251 which are abutted against the threaded rod 22, the plurality of groups of balls 251 are uniformly distributed along the circumferential direction of the sliding sleeve 25, and the balls 251 are arranged on the sliding sleeve 25 in a rolling manner. When the sliding sleeve 25 axially slides along the threaded rod 22, the balls 251 can convert sliding friction between the sliding sleeve 25 and the threaded rod 22 into rolling friction so as to reduce friction between the sliding sleeve 25 and the threaded rod 22 and facilitate the sliding of the sliding sleeve 25 on the threaded rod 22. Meanwhile, the threaded rod 22 is sleeved with a spring 28 between the sliding sleeve 25 and the fixing plate 21, one end of the spring 28 abuts against the fixing plate 21, and the other end abuts against the sliding sleeve 25. In a normal state, the spring 28 pushes the sliding sleeve 25 against the pushing block 24, so as to support the sliding sleeve 25.
Referring to fig. 2, the sliding sleeve 25 is hinged with three connecting rods 26 along the circumferential direction, and one ends of the three connecting rods 26 far away from the sliding sleeve 25 are all inclined towards the fixing plate 21. The one end that sliding sleeve 25 was kept away from to three connecting rod 26 all articulates there is a closing plate 27 that is used for sealed apopore 101, and three closing plate 27 and three hole 211 of permeating water one-to-one. When the operator needs to seal the outlet hole 101, the operator turns the threaded rod 22 so that the threaded rod 22 drives the push block 24 to move to the side away from the sealing cover 11. The pushing block 24 pushes the sliding sleeve 25 to approach the fixing plate 21, and at this time, the sliding sleeve 25 pushes the sealing plate 27 to approach the inner wall of the steel sleeve 1 through the connecting rod 26 until the sealing plate 27 abuts against the inner wall of the steel sleeve 1, so as to achieve the effect of sealing the water outlet hole 101.
Meanwhile, a sealing groove 102 is formed in the inner wall of the steel sleeve 1, and a water outlet hole 101 is formed in the bottom wall of the sealing groove 102. When the sealing plate 27 seals the water outlet hole 101, the sealing plate 27 is inserted into the sealing groove 102. At this time, the sealing groove 102 may increase a contact area between the sealing plate 27 and the steel sleeve 1, thereby increasing sealability between the sealing plate 27 and the steel sleeve 1 to reduce the possibility of water leakage between the sealing plate 27 and the steel sleeve 1. The sealing gasket 29 is arranged on one side, facing the bottom wall of the sealing groove 102, of the sealing plate 27, the sealing gasket 29 is made of rubber, the rubber is soft and elastic, and therefore the sealing gasket 29 can fill a gap between the sealing plate 27 and the bottom wall of the sealing groove 102, and the sealing performance between the sealing plate 27 and the sealing groove 102 is further improved.
Referring to fig. 2, the sealing plate 27 is slidably disposed on the fixing plate 21, the fixing plate 21 has a guide groove 212 formed along a radial direction, and the guide groove 212 and the water permeable hole 211 are spaced apart from each other on the fixing plate 21. A guide rod 271 is slidably disposed in the guide groove 212, and the guide rod 271 is fixed to a side of the seal plate 27 facing the threaded rod 22. In the sliding process of the sealing plate 27, the guide rod 271 slides along the length direction of the guide groove 212. At this time, the guide groove 212 limits the moving direction of the guide rod 271, so that the sealing plate 27 is guided, and the stability of the sealing plate 27 during moving is increased, so that the sealing plate 27 can accurately seal the water outlet hole 101.
Meanwhile, the guide rod 271 is in threaded connection with a limit nut 272 on one side of the fixing plate 21, which is away from the sealing plate 27, and the limit nut 272 can position the guide rod 271 in the moving process of the guide rod 271, so that the matching stability of the guide rod 271 and the guide groove 212 is improved, and the situation that the guide rod 271 is separated from the guide groove 212 is reduced.
The implementation principle of the flange well sealing device for the base plate penetrating dewatering well in the foundation pit is as follows: in the process of plugging the dewatering well 4, an operator can pump the underground water in the dewatering well 4 out through the water pump so as to reduce the water level in the dewatering well 4. An operator can stretch the water pumping pipe on the water pump into the steel sleeve 1 from the water outlet hole 101 so as to achieve the purpose of pumping underground water.
When the dewatering well 4 needs to be plugged, an operator rotates the handle, the handle drives the threaded rod 22 to rotate, and the pushing block 24 pushes the sliding sleeve 25 to approach the fixing plate 21. At this time, the sliding sleeve 25 pushes the sealing plate 27 to approach the inner wall of the steel sleeve 1 through the connecting rod 26, until the sealing plate 27 abuts against the inside of the sealing groove 102, the sealing plate 27 seals the water outlet hole 101, so as to achieve the effect of plugging the dewatering well 4.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a wear bottom plate dewatering well flange well plugging device for well in foundation ditch which characterized in that: including setting up steel sleeve (1) in bottom plate (3), the well head intercommunication of steel sleeve (1) and precipitation well (4), the one end that precipitation well (4) were kept away from in steel sleeve (1) is equipped with sealed lid (11), apopore (101) have been seted up on the lateral wall of steel sleeve (1), be equipped with sealing mechanism (2) that are used for sealed apopore (101) on sealed lid (11).
2. The flange well sealing device for the floor penetrating dewatering well in the foundation pit according to claim 1, characterized in that: the sealing mechanism (2) comprises a threaded rod (22) rotatably connected to a sealing cover (11), a fixing plate (21) is arranged in the steel sleeve (1), a plurality of water permeable holes (211) are formed in the fixing plate (21), the threaded rod (22) is rotatably connected to the fixing plate (21) in a threaded manner, a limiting cylinder (23) is arranged on one side, facing the fixing plate (21), of the sealing cover (11), a pushing block (24) is arranged in the limiting cylinder (23) in a sliding manner, and the pushing block (24) is connected to the threaded rod (22) in a threaded manner;
threaded rod (22) are being kept away from one pot head of sealed lid (11) in promotion piece (24) and are being equipped with sliding sleeve (25), it has connecting rod (26) to articulate on the lateral wall of sliding sleeve (25), the one end that sliding sleeve (25) were kept away from in connecting rod (26) is to fixed plate (21) slope, just the one end that sliding sleeve (25) were kept away from in connecting rod (26) articulates there is closing plate (27) that are used for sealed apopore (101).
3. The flange well sealing device for the floor penetrating dewatering well in the foundation pit according to claim 2, characterized in that: threaded rod (22) are equipped with spring (28) between sliding sleeve (25) and fixed plate (21) cover, the one end of spring (28) is contradicted on fixed plate (21), the other end contradicts in on sliding sleeve (25).
4. The flange well sealing device for the floor penetrating dewatering well in the foundation pit according to claim 2, characterized in that: the inner wall of the sliding sleeve (25) is provided with a plurality of groups of balls (251) which are abutted against the threaded rod (22).
5. The flange well sealing device for the floor penetrating dewatering well in the foundation pit according to claim 2, characterized in that: the fixing plate (21) is provided with a guide groove (212) along the moving direction of the sealing plate (27), a guide rod (271) is arranged in the guide groove (212) in a sliding mode, and the guide rod (271) is fixed on the sealing plate (27).
6. The flange well sealing device for the floor penetrating dewatering well in the foundation pit according to claim 5, characterized in that: and a limiting nut (272) is in threaded connection with one side of the guide rod (271) departing from the sealing plate (27) on the fixing plate (21).
7. The flange well sealing device for the floor penetrating dewatering well in the foundation pit according to claim 2, characterized in that: the inner wall of the steel sleeve (1) is provided with a sealing groove (102) matched with the sealing plate (27), the water outlet hole (101) is formed in the bottom wall of the sealing groove (102), and the sealing plate (27) is embedded in the sealing groove (102).
8. The flange well sealing device for the floor penetrating dewatering well in the foundation pit according to claim 1, characterized in that: and a water stop ring (12) is arranged on the outer side wall of the steel sleeve (1).
9. The flange well sealing device for the floor penetrating dewatering well in the foundation pit according to claim 8, characterized in that: one side that seal ring (12) is close to apopore (101) is equipped with buffer tank (13), buffer tank (13) and apopore (101) intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120844679.8U CN214574070U (en) | 2021-04-22 | 2021-04-22 | Flange well sealing device for dewatering well penetrating through bottom plate in foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120844679.8U CN214574070U (en) | 2021-04-22 | 2021-04-22 | Flange well sealing device for dewatering well penetrating through bottom plate in foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214574070U true CN214574070U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120844679.8U Expired - Fee Related CN214574070U (en) | 2021-04-22 | 2021-04-22 | Flange well sealing device for dewatering well penetrating through bottom plate in foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214574070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351740A (en) * | 2022-01-14 | 2022-04-15 | 成都华阳建筑股份有限公司 | Plugging method for high-water-level basement pressure-bearing dewatering well |
| CN115419096A (en) * | 2022-09-30 | 2022-12-02 | 中建八局第二建设有限公司 | Novel dewatering well bottom plate and dewatering well plugging method |
-
2021
- 2021-04-22 CN CN202120844679.8U patent/CN214574070U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351740A (en) * | 2022-01-14 | 2022-04-15 | 成都华阳建筑股份有限公司 | Plugging method for high-water-level basement pressure-bearing dewatering well |
| CN115419096A (en) * | 2022-09-30 | 2022-12-02 | 中建八局第二建设有限公司 | Novel dewatering well bottom plate and dewatering well plugging method |
| CN115419096B (en) * | 2022-09-30 | 2023-12-01 | 中建八局第二建设有限公司 | Dewatering well bottom plate and dewatering well plugging method |
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| GR01 | Patent grant | ||
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Granted publication date: 20211102 |