CN219364681U - Hydraulic engineering light-duty well point dewatering device - Google Patents
Hydraulic engineering light-duty well point dewatering device Download PDFInfo
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- CN219364681U CN219364681U CN202320521357.9U CN202320521357U CN219364681U CN 219364681 U CN219364681 U CN 219364681U CN 202320521357 U CN202320521357 U CN 202320521357U CN 219364681 U CN219364681 U CN 219364681U
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Abstract
A hydraulic engineering light well point dewatering device relates to the technical field of hydraulic engineering. In order to solve the problems that the existing well point dewatering device has lighter weight of a filtering device at the end part of a well pipe, and the bottom of a foundation pit cannot be detected due to larger buoyancy of underground water in the foundation pit in the drainage process, so that the drainage efficiency is lower, the existing device has larger volume and is heavier and inconvenient to transport and use. According to the turbidity of the underground water in the foundation pit, the number and the weight of the balancing weights in the filtering unit are properly adjusted, and after the adjustment is finished, the other end of the well pipe is fixedly communicated with the filtering unit and is put into the foundation pit; at this time, operators shake the crank on the pipe collecting roller, so that the filter unit at the end part of the well pipe slowly penetrates into the bottom of the foundation pit until contacting with the bottom of the foundation pit, and the phenomenon that the bottom of the foundation pit cannot be penetrated due to the fact that the buoyancy of the underground water in the foundation pit is large is avoided, and the drainage efficiency is improved. The utility model is suitable for the technical field of hydraulic engineering.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to a hydraulic engineering light well point dewatering device.
Background
The light well point is a method for artificially lowering the underground water level, which is to sink a well pipe with a smaller diameter into a water-containing layer deeper than a substrate along one side of a foundation pit, continuously pump the underground water out of the well pipe through the well pipe by using pumping equipment, and lower the original underground water level below the substrate. The light well point is called a vacuum well point, the filtering device at the end part of a well pipe of the conventional well point dewatering device is light in weight, and in the process of drainage, the buoyancy of underground water in a foundation pit is large, so that the underground water cannot be detected into the bottom of the foundation pit, and the drainage efficiency is low.
Disclosure of Invention
The utility model provides a hydraulic engineering light well point dewatering device, which aims to solve the problems that the existing well point dewatering device has lighter weight at the end part of a well pipe, and the existing device has lower drainage efficiency due to the fact that the buoyancy of underground water in a foundation pit is larger and cannot be detected to the bottom of the foundation pit in the drainage process, and has larger volume, is heavier and is inconvenient to transport and use.
The utility model relates to a hydraulic engineering light well point dewatering device which comprises a bottom plate 1, a shaft connecting seat 2, a shaft 3, wheels 4, armrests 5, a water pump 6, a pipe collecting roller 7, a well pipe 8, a filtering unit 9, a lifting plate 10, a guide post 11, a sliding block 12, a jack 13 and a fixing needle 14, wherein the bottom plate is fixed on the bottom plate;
the two ends of the lower surface of the bottom plate 1 are respectively provided with a pair of shaft connecting seats 2, each pair of shaft connecting seats 2 is provided with a shaft 3, the end parts of the shafts 3 are rotationally connected with the shaft connecting seats 2, two ends of each shaft 3 are respectively provided with a wheel 4, one end of the upper surface of the bottom plate 1 is provided with a handrail 5, the middle part of the upper surface of the bottom plate 1 is provided with a water pump 6, the other end of the upper surface of the bottom plate 1 is provided with a pipe collecting roller 7, the input end of the water pump 6 is connected with an output water gap in the middle part of the side surface of the pipe collecting roller 7 through a pipeline, the input water gap in the shaft inside the pipe collecting roller 7 is communicated with one end of a well pipe 8, the well pipe 8 is wound on the pipe collecting roller 7, the other end of the well pipe 8 is connected with a filtering unit 9, two guide posts 11 are uniformly arranged in the middle part between the two pairs of shaft connecting seats 2 of the bottom plate 1 along the length direction, two through holes are respectively processed at the two ends of the upper surface of the lifting plate 10, the top end of each through hole is provided with a sliding block 12, the sliding block 12 is slidingly connected with the guide post 11, the middle part of the lower surface of the bottom plate 1 is provided with a jack 13, the output end of the jack 13 is fixedly connected with the middle part of the upper surface of the lifting plate 10, and the lower surface of the lifting plate is uniformly provided with n fixed needles and n;
further, a limiting ring 15 is sleeved at the bottom of the guide post 11;
further, the water outlet on the pipe collecting roller 7 is connected with the water inlet through a pipeline;
further, the bottom of the frame in the tube collecting roller 7 is fixedly connected with the upper surface of the bottom plate 1;
further, the number n of the fixed needles 14 on the lower surface of the lifting plate 10 is more than or equal to 10 and less than or equal to 20;
further, the filter unit 9 comprises a filter top plate 9-1, a fixing nut 9-2, a screw rod 9-3, a filter cartridge 9-4, a filter bottom plate 9-5, a balancing weight 9-6, a supporting rod 9-7 and a locking nut 9-8;
the middle part of the upper surface of the filtering bottom plate 9-5 is provided with a filtering cylinder 9-4, the edge of the upper surface of the filtering bottom plate 9-5 is uniformly provided with two screws 9-3 along the circumferential direction, the edge of the upper surface of the filtering top plate 9-1 is uniformly provided with through holes along the circumferential direction, the top end of each screw 9-3 passes through the through hole on the filtering top plate 9-1 and then is in threaded connection with a fixing nut 9-2, the center of the upper surface of the filtering top plate 9-1 is provided with a through hole, the through hole is coaxially communicated with a water pumping hole at the top of the filtering cylinder 9-4, the middle part of the lower surface of the filtering bottom plate 9-5 is provided with a supporting rod 9-7, m balancing weights 9-6 are sleeved on the supporting rod 9-7, m is a positive integer, the outer surface of the bottom end of the supporting rod 9-7 is provided with a threaded section, and the threaded section is provided with a locking nut 9-8;
further, the balancing weight 9-6 adopts a lead block, and the weight of the balancing weight 9-6 is 5kg, 10kg or 15kg;
further, a counter bore is arranged in the middle of the upper surface of the filtering bottom plate 9-5;
further, a circular boss is arranged at the bottom of the filter cartridge 9-4, and the circular boss at the bottom of the filter cartridge 9-4 is connected with a counter bore on the upper surface of the filter bottom plate 9-5 in a matched manner;
further, the number m of the balancing weights 9-6 is more than or equal to 2 and less than or equal to 5;
further, when in use, the device is pushed to the edge of the foundation pit, at the moment, an operator swings the rocker arm of the jack 13 up and down to enable the telescopic rod of the jack 13 to extend out, so as to drive the lifting plate 10 to move downwards until the fixed needle 14 on the lower surface of the lifting plate 10 is inserted into soil, thereby playing a role in fixing the device and avoiding the phenomenon that the device moves when in use;
then, according to the turbidity of the underground water in the foundation pit, the number and the weight of the balancing weights 9-5 in the filtering unit 9 are properly adjusted, and after the adjustment is finished, the other end of the well pipe 8 is fixedly communicated with the filtering unit 9 and is put into the foundation pit; at the moment, operators shake the crank on the pipe collecting roller 7, so that the filter unit 9 at the end part of the well pipe 8 slowly penetrates into the bottom of the foundation pit until contacting with the bottom of the foundation pit, the phenomenon that the underground water in the foundation pit cannot penetrate into the bottom of the foundation pit due to larger buoyancy is avoided, and the drainage efficiency is improved; starting the water pump 6, and connecting the output end of the water pump 6 with the input port of the water collection tank through a pipeline, so that underground water seepage in the foundation pit can be emptied by using the water pump 6;
when the water draining operation of the interior of the foundation pit is completed, the water pump 6 is turned off, and an operator reversely shakes the crank on the pipe collecting roller 7 to enable the well pipe 8 to be wound on the pipe collecting roller 7 until the filter unit 9 is pulled out of the foundation pit, so that the pipe collecting operation of the well pipe 8 is completed;
the device comprises a manual cart consisting of a bottom plate 1, a shaft connecting seat 2, a shaft 3, wheels 4 and armrests 5, and has smaller volume, thereby realizing manual pushing of the device to any construction area and having simple operation; and can also demolish the handrail, install the trailer connecting rod on bottom plate 1 to can utilize the engineering vehicle to carry out the transportation of pulling to the device, and then solve the problem of being inconvenient for the transportation.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model overcomes the defects of the prior art, properly adjusts the number and the weight of the balancing weights in the filtering unit according to the turbidity of the underground water in the foundation pit, and after the adjustment is finished, the other end of the well pipe is fixedly communicated with the filtering unit and is put into the foundation pit; at this time, operators shake the crank on the pipe collecting roller, so that the filter unit at the end part of the well pipe slowly penetrates into the bottom of the foundation pit until contacting with the bottom of the foundation pit, and the phenomenon that the bottom of the foundation pit cannot be penetrated due to the fact that the buoyancy of the underground water in the foundation pit is large is avoided, and the drainage efficiency is improved.
2. The utility model overcomes the defects of the prior art, and a manual cart is formed by the bottom plate, the shaft connecting seat, the shaft, the wheels and the armrests, and the device has smaller volume, thereby realizing manual pushing of the device to any construction area and having simple operation; in fact, the armrests can be removed, and the trailer connecting rods are installed on the bottom plate, so that the device can be towed and transported by engineering vehicles, and the problem of inconvenient transportation is solved.
Drawings
FIG. 1 is a front view of a hydraulic engineering light well point dewatering device according to the present utility model;
fig. 2 is a front view of a filter unit in a hydraulic engineering light well point dewatering device according to the present utility model.
Detailed Description
The first embodiment is as follows: referring to fig. 1, a light well-point dewatering device for hydraulic engineering according to the present embodiment includes a base plate 1, a shaft connection seat 2, a shaft 3, wheels 4, handrails 5, a water pump 6, a pipe receiving roller 7, a well pipe 8, a filtering unit 9, a lifting plate 10, a guide post 11, a sliding block 12, a jack 13 and a fixing needle 14;
the two ends of the lower surface of the bottom plate 1 are respectively provided with a pair of shaft connecting seats 2, each pair of shaft connecting seats 2 is provided with a shaft 3, the end parts of the shafts 3 are rotationally connected with the shaft connecting seats 2, two ends of each shaft 3 are respectively provided with a wheel 4, one end of the upper surface of the bottom plate 1 is provided with a handrail 5, the middle part of the upper surface of the bottom plate 1 is provided with a water pump 6, the other end of the upper surface of the bottom plate 1 is provided with a pipe collecting roller 7, the input end of the water pump 6 is connected with an output water gap in the middle part of the side surface of the pipe collecting roller 7 through a pipeline, the input water gap in the shaft inside the pipe collecting roller 7 is communicated with one end of a well pipe 8, the well pipe 8 is wound on the pipe collecting roller 7, the other end of the well pipe 8 is connected with a filtering unit 9, two guide posts 11 are uniformly arranged in the middle part between the two pairs of shaft connecting seats 2 of the bottom plate 1 along the length direction, two through holes are respectively processed at the two ends of the upper surface of the lifting plate 10, the top end of each through hole is provided with a sliding block 12, the sliding block 12 is slidingly connected with the guide post 11, the middle part of the lower surface of the bottom plate 1 is provided with a jack 13, the output end of the jack 13 is fixedly connected with the middle part of the upper surface of the lifting plate 10, and the lower surface of the lifting plate is uniformly provided with n fixed needles and n;
in the specific embodiment, when the device is used, firstly, the device is pushed to the edge of a foundation pit, at the moment, an operator swings the rocker arm of the jack 13 up and down, so that the telescopic rod of the jack 13 extends out, the lifting plate 10 is driven to move downwards until the fixed needle 14 on the lower surface of the lifting plate 10 is inserted into soil, the device is further fixed, and the phenomenon that the device moves when in use is avoided;
then, according to the turbidity of the underground water in the foundation pit, the number and the weight of the balancing weights 9-5 in the filtering unit 9 are properly adjusted, and after the adjustment is finished, the other end of the well pipe 8 is fixedly communicated with the filtering unit 9 and is put into the foundation pit; at the moment, operators shake the crank on the pipe collecting roller 7, so that the filter unit 9 at the end part of the well pipe 8 slowly penetrates into the bottom of the foundation pit until contacting with the bottom of the foundation pit, the phenomenon that the underground water in the foundation pit cannot penetrate into the bottom of the foundation pit due to larger buoyancy is avoided, and the drainage efficiency is improved; starting the water pump 6, and connecting the output end of the water pump 6 with the input port of the water collection tank through a pipeline, so that underground water seepage in the foundation pit can be emptied by using the water pump 6;
when the water draining operation of the interior of the foundation pit is completed, the water pump 6 is turned off, and an operator reversely shakes the crank on the pipe collecting roller 7 to enable the well pipe 8 to be wound on the pipe collecting roller 7 until the filter unit 9 is pulled out of the foundation pit, so that the pipe collecting operation of the well pipe 8 is completed;
the device comprises a manual cart consisting of a bottom plate 1, a shaft connecting seat 2, a shaft 3, wheels 4 and armrests 5, and has smaller volume, thereby realizing manual pushing of the device to any construction area and having simple operation; and can also demolish the handrail, install the trailer connecting rod on bottom plate 1 to can utilize the engineering vehicle to carry out the transportation of pulling to the device, and then solve the problem of being inconvenient for the transportation.
The second embodiment is as follows: referring to fig. 1, the present embodiment is further limited to the well-point dewatering device according to the first embodiment, and the light well-point dewatering device for hydraulic engineering according to the present embodiment is characterized in that a limiting ring 15 is sleeved at the bottom of the guide post 11;
in this embodiment, a limiting ring 15 is sleeved at the bottom of the guide post 11, so as to perform a height limiting function on the lifting plate 10.
And a third specific embodiment: the present embodiment is further limited to the well-point dewatering device according to the first embodiment, and the light well-point dewatering device for hydraulic engineering according to the present embodiment is described with reference to fig. 1, where the water outlet on the pipe collecting roller 7 is connected to the water inlet through a pipeline.
The specific embodiment IV is as follows: referring to fig. 1, the present embodiment is further limited to the well-point dewatering device described in the third embodiment, and the bottom of the frame in the pipe collecting roller 7 is fixedly connected with the upper surface of the bottom plate 1;
in the specific embodiment, the bottom of the frame in the pipe collecting roller 7 is fixedly connected with the upper surface of the bottom plate 1, so that the stability of the device in use is improved.
Fifth embodiment: the present embodiment is further limited to the well-point dewatering device according to the first embodiment, and the light well-point dewatering device for hydraulic engineering according to the present embodiment is described with reference to fig. 1, where n is greater than or equal to 10 and less than or equal to 20, and n is the number of fixing needles 14 on the lower surface of the lifting plate 10.
Specific embodiment six: the present embodiment is further limited to the well-point dewatering device according to the first embodiment, and the light well-point dewatering device for hydraulic engineering according to the present embodiment, where the filtering unit 9 includes a filtering top plate 9-1, a fixing nut 9-2, a screw rod 9-3, a filter cartridge 9-4, a filtering bottom plate 9-5, a balancing weight 9-6, a supporting rod 9-7, and a locking nut 9-8;
the middle part of the upper surface of the filtering bottom plate 9-5 is provided with a filtering cylinder 9-4, the edge of the upper surface of the filtering bottom plate 9-5 is uniformly provided with two screws 9-3 along the circumferential direction, the edge of the upper surface of the filtering top plate 9-1 is uniformly provided with through holes along the circumferential direction, the top end of each screw 9-3 passes through the through hole on the filtering top plate 9-1 and then is in threaded connection with a fixing nut 9-2, the center of the upper surface of the filtering top plate 9-1 is provided with a through hole, the through hole is coaxially communicated with a water pumping hole at the top of the filtering cylinder 9-4, the middle part of the lower surface of the filtering bottom plate 9-5 is provided with a supporting rod 9-7, m balancing weights 9-6 are sleeved on the supporting rod 9-7, m is a positive integer, the outer surface of the bottom end of the supporting rod 9-7 is provided with a threaded section, and the threaded section is provided with a locking nut 9-8;
according to the specific embodiment, the number and the weight of the balancing weights 9-5 in the filtering unit 9 are properly adjusted according to the turbidity of the underground water in the foundation pit, and after the adjustment is finished, the other end of the well pipe 8 is fixedly communicated with the filtering unit 9 and is put into the foundation pit; at the moment, operators shake the crank on the pipe collecting roller 7, so that the filter unit 9 at the end part of the well pipe 8 slowly penetrates into the bottom of the foundation pit until contacting with the bottom of the foundation pit, the phenomenon that the underground water in the foundation pit cannot penetrate into the bottom of the foundation pit due to larger buoyancy is avoided, and the drainage efficiency is improved; and after the drainage operation is finished, the filtering unit 9 can be disassembled and cleaned, so that the service life of the filtering unit 9 is prolonged.
Seventh embodiment: the present embodiment is further limited to the well-point dewatering device according to the sixth embodiment, and the light well-point dewatering device for hydraulic engineering according to the present embodiment, wherein the balancing weight 9-6 is a lead block, and the weight of the balancing weight 9-6 is 5kg, 10kg or 15kg.
Eighth embodiment: the present embodiment is further limited to the well-point dewatering device described in the sixth embodiment, and the light well-point dewatering device for hydraulic engineering described in the present embodiment is described with reference to fig. 1 and fig. 2, and a counter bore is provided in the middle of the upper surface of the filtering bottom plate 9-5.
Detailed description nine: referring to fig. 1 and 2, the present embodiment is further limited to the well-point dewatering device according to the eighth embodiment, and the bottom of the filter cartridge 9-4 is provided with a circular boss, and the circular boss at the bottom of the filter cartridge 9-4 is connected with a counter bore on the upper surface of the filter bottom plate 9-5 in a matching manner;
in the specific embodiment, a circular boss is arranged at the bottom of the filter cartridge 9-4, and the circular boss at the bottom of the filter cartridge 9-4 is connected with a counter bore on the upper surface of the filter bottom plate 9-5 in a matched manner, so that the function of circumferential limit of the filter cartridge 9-4 between the filter bottom plate 9-5 and the filter top plate 9-1 is realized;
the filter bottom plate 9-5 and the filter top plate 9-1 are fixed through the screw rod 9-3 and the fixing nut 9-2, and the bottom of the screw rod 9-3 is fixedly connected with the upper surface of the filter bottom plate 9-5, so that an axial clamping force can be generated on the filter cartridge 9-4 by adjusting the pretightening force of the fixing nut 9-2, and further the filter cartridge 9-4 is clamped and fixed; meanwhile, the two points are combined, so that the phenomenon that the filter cartridge 9-4 moves between the filter bottom plate 9-5 and the filter top plate 9-1 can be avoided.
Detailed description ten: the present embodiment is further limited to the well-point dewatering device described in the sixth embodiment, and the number m of the balancing weights 9-6, 2-m-5, is described in the present embodiment with reference to fig. 1 and 2.
Principle of operation
When the device is used, firstly, the device is pushed to the edge of a foundation pit, at the moment, an operator swings the rocker arm of the jack 13 up and down, so that the telescopic rod of the jack 13 extends out, the lifting plate 10 is driven to move downwards until the fixed needle 14 on the lower surface of the lifting plate 10 is inserted into soil, the device is further fixed, and the phenomenon that the device moves during use is avoided;
then, according to the turbidity of the underground water in the foundation pit, the number and the weight of the balancing weights 9-5 in the filtering unit 9 are properly adjusted, and after the adjustment is finished, the other end of the well pipe 8 is fixedly communicated with the filtering unit 9 and is put into the foundation pit; at the moment, operators shake the crank on the pipe collecting roller 7, so that the filter unit 9 at the end part of the well pipe 8 slowly penetrates into the bottom of the foundation pit until contacting with the bottom of the foundation pit, the phenomenon that the underground water in the foundation pit cannot penetrate into the bottom of the foundation pit due to larger buoyancy is avoided, and the drainage efficiency is improved; starting the water pump 6, and connecting the output end of the water pump 6 with the input port of the water collection tank through a pipeline, so that underground water seepage in the foundation pit can be emptied by using the water pump 6;
when the water draining operation of the interior of the foundation pit is completed, the water pump 6 is turned off, and an operator reversely shakes the crank on the pipe collecting roller 7 to enable the well pipe 8 to be wound on the pipe collecting roller 7 until the filter unit 9 is pulled out of the foundation pit, so that the pipe collecting operation of the well pipe 8 is completed;
the device comprises a manual cart consisting of a bottom plate 1, a shaft connecting seat 2, a shaft 3, wheels 4 and armrests 5, and has smaller volume, thereby realizing manual pushing of the device to any construction area and having simple operation; and can also demolish the handrail, install the trailer connecting rod on bottom plate 1 to can utilize the engineering vehicle to carry out the transportation of pulling to the device, and then solve the problem of being inconvenient for the transportation.
Claims (10)
1. A hydraulic engineering light well point precipitation device which is characterized in that: the device comprises a bottom plate (1), a shaft connecting seat (2), a shaft (3), wheels (4), armrests (5), a water pump (6), a pipe collecting roller (7), a well pipe (8), a filtering unit (9), a lifting plate (10), a guide column (11), a sliding block (12), a jack (13) and a fixing needle (14);
the lower surface both ends of bottom plate (1) are equipped with a pair of shaft connecting seat (2) respectively, be equipped with axle (3) on every shaft connecting seat (2), and the tip and the rotation of axle connecting seat (2) of axle (3) are connected, both ends of axle (3) are equipped with a wheel (4) respectively, one end of bottom plate (1) upper surface is equipped with handrail (5), the middle part of bottom plate (1) upper surface is equipped with water pump (6), the other end of bottom plate (1) upper surface is equipped with receipts pipe roller (7), the input of water pump (6) is connected with the output mouth of a river in receipts pipe roller (7) side middle part through the pipeline, the inside input mouth of a river of receipts pipe roller (7) transfer axle communicates with the one end of well pipe (8) and sets up, and well pipe (8) twine on receipts pipe roller (7), the other end and the filter unit (9) of well pipe (8) are connected, evenly be equipped with two guide posts (11) along length direction between two pairs of shaft connecting seat (2) of bottom plate (1), the upper surface both ends of elevating plate (10) are processed respectively and are equipped with a through-hole, the top of every slider (12) is equipped with the top of slider (13) and the jack (13) of the upper surface of jack (13) is connected with the middle part of jack (13), the lower surface of the lifting plate (10) is uniformly provided with n fixing needles (14), and n is a positive integer.
2. A hydraulic engineering light well point dewatering device according to claim 1, wherein: the bottom of the guide post (11) is sleeved with a limiting ring (15).
3. A hydraulic engineering light well point dewatering device according to claim 1, wherein: the water outlet on the pipe collecting roller (7) is connected with the water inlet through a pipeline.
4. A hydraulic engineering light well point dewatering device according to claim 3, wherein: the bottom of the frame in the pipe collecting roller (7) is fixedly connected with the upper surface of the bottom plate (1).
5. A hydraulic engineering light well point dewatering device according to claim 1, wherein: the number n of the fixed needles (14) on the lower surface of the lifting plate (10) is more than or equal to 10 and less than or equal to 20.
6. A hydraulic engineering light well point dewatering device according to claim 1, wherein: the filtering unit (9) comprises a filtering top plate (9-1), a fixing nut (9-2), a screw (9-3), a filtering cylinder (9-4), a filtering bottom plate (9-5), a balancing weight (9-6), a supporting rod (9-7) and a locking nut (9-8);
the middle part of the upper surface of the filtering bottom plate (9-5) is provided with a filtering cylinder (9-4), the edge of the upper surface of the filtering bottom plate (9-5) is uniformly provided with two screws (9-3) along the circumferential direction, the edge of the upper surface of the filtering top plate (9-1) is uniformly provided with through holes along the circumferential direction, the top end of each screw (9-3) passes through the through holes on the filtering top plate (9-1) and then is in threaded connection with a fixing nut (9-2), the center of the upper surface of the filtering top plate (9-1) is provided with a through hole, the through hole is coaxially communicated with a water pumping hole at the top of the filtering cylinder (9-4), the middle part of the lower surface of the filtering bottom plate (9-5) is provided with a supporting rod (9-7), m balancing weights (9-6) are sleeved on the supporting rod (9-7), m is a positive integer, a threaded section is processed on the outer surface of the bottom end of the supporting rod (9-7), and a locking nut (9-8) is arranged on the threaded section.
7. The hydraulic engineering light well point dewatering device of claim 6, wherein: the balancing weight (9-6) adopts a lead block, and the weight of the balancing weight (9-6) is 5kg, 10kg or 15kg.
8. The hydraulic engineering light well point dewatering device of claim 6, wherein: the middle part of the upper surface of the filtering bottom plate (9-5) is provided with a counter bore.
9. The hydraulic engineering light well point dewatering device of claim 8, wherein: the bottom of the filter cartridge (9-4) is provided with a circular boss, and the circular boss at the bottom of the filter cartridge (9-4) is connected with a counter bore on the upper surface of the filter bottom plate (9-5) in a matched manner.
10. The hydraulic engineering light well point dewatering device of claim 6, wherein: the number m of the balancing weights (9-6) is more than or equal to 2 and less than or equal to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320521357.9U CN219364681U (en) | 2023-03-16 | 2023-03-16 | Hydraulic engineering light-duty well point dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320521357.9U CN219364681U (en) | 2023-03-16 | 2023-03-16 | Hydraulic engineering light-duty well point dewatering device |
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| Publication Number | Publication Date |
|---|---|
| CN219364681U true CN219364681U (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320521357.9U Active CN219364681U (en) | 2023-03-16 | 2023-03-16 | Hydraulic engineering light-duty well point dewatering device |
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| CN (1) | CN219364681U (en) |
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- 2023-03-16 CN CN202320521357.9U patent/CN219364681U/en active Active
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