CN111749257B - Quick dewatering device and method for deep foundation pit - Google Patents
Quick dewatering device and method for deep foundation pit Download PDFInfo
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- CN111749257B CN111749257B CN202010480283.XA CN202010480283A CN111749257B CN 111749257 B CN111749257 B CN 111749257B CN 202010480283 A CN202010480283 A CN 202010480283A CN 111749257 B CN111749257 B CN 111749257B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0053—Production methods using suction or vacuum techniques
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Abstract
The invention discloses a quick dewatering device for a deep foundation pit, which comprises the foundation pit, wherein a cover plate is arranged on the upper side of the foundation pit and consists of two mounting plates I and two mounting plates II, the mounting plates I and the mounting plates II are connected through a rotating shaft, a connecting mechanism is arranged between the end parts of the mounting plates I and the mounting plates II, a water outlet pipe is inserted in the mounting plates I, and a threaded end is arranged in the middle of the water outlet pipe; a method for quickly dewatering a deep foundation pit comprises the following steps: and S1, rotating the first mounting plate until the fixing plate is separated from the groove, unfolding the first mounting plate and the second mounting plate, and placing the cover plate on the foundation pit. According to the invention, the negative pressure is formed in the foundation pit, so that water on the inner wall of the foundation pit can be rapidly seeped out, the long-time work of the traditional water suction pump is avoided, the energy consumption is reduced, the cover plate can be folded and stored to reduce the occupied space, meanwhile, the water suction pump works when water exists in the foundation pit, and stops working when no water exists, so that the automation degree is high.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a quick dewatering device and method for a deep foundation pit.
Background
The deep foundation pit is an engineering with the excavation depth of more than 5 meters (including 5 meters) or the excavation depth of less than 5 meters, but particularly complex geological conditions, surrounding environments and underground pipelines, and the foundation pit engineering mainly comprises foundation pit supporting system design and construction and earthwork excavation and is a system engineering with strong comprehensiveness. It requires close cooperation between geotechnical engineering and structural engineering technicians. The foundation pit supporting system is a temporary structure, is not needed after the construction of underground engineering is finished, and is used for the settlement work of accumulated water on the periphery of a building.
An authorization notice number CN207714348U discloses a deep foundation pit rapid dewatering device, which comprises a foundation pit, a containment system and a dewatering system; the dewatering system comprises a plurality of water collecting wells, a plurality of water pumps and a plurality of water pipes, the water collecting wells are arranged at the bottom of the foundation pit and extend into the position 1-20 meters below the bottom of the foundation pit, and the upper surfaces of the water collecting wells are flush with the bottom of the foundation pit; the water pump is arranged in the water collecting well; one end of the water pipe is connected with the water pump, and the other end of the water pipe extends out of the foundation pit; and a bottom plate is arranged at the bottom of the foundation pit. The dewatering device can quickly pump water in the foundation pit, and the water is continuously pumped through the water collecting well at the bottom of the foundation pit to reduce the groundwater level at the bottom of the foundation pit, so that the concrete slab is prevented from floating upwards and inclining or from cracking and leaking water due to the buoyancy of groundwater;
an authority bulletin number CN209211472U discloses a foundation ditch pipe well precipitation autonomous system that can install dismantlement fast, including foundation ditch pipe well, the drain pipe, the immersible pump, control switch, the stand pipe, float and counter weight, the immersible pump sets up in the foundation ditch pipe well, the drain pipe is connected with the immersible pump, the immersible pump opens under control switch closure and off-state and stops, the equipartition has a plurality of through-holes on the pipe wall of stand pipe, float and counter weight setting are in the stand pipe, be equipped with on the float and hang the rope under and, control switch's movable contact arm's one end and last string the upper end of rope are connected, hang down the lower extreme of rope with the counter weight is connected. The invention has simple structure, quick and easy assembly and disassembly, no need of additional electric power or electronic system assistance, no complex precise instrument, low cost, less labor intensity of workers, less required labor and low labor intensity of personnel, has the advantages of no operation basically after the assembly, easy management, high efficiency of water drainage operation and high precision; however, there are the following problems:
water in the soil layer on the inner wall of the foundation pit cannot be quickly settled into the foundation pit, the settling speed is low, and the water suction pump needs to work for a long time, so that the energy consumption is increased;
a plurality of parts installation that draw water is comparatively inconvenient, and the well lid is bulky, and the transportation is not convenient for to whole.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a device and a method for quickly lowering water in a deep foundation pit.
In order to achieve the purpose, the invention adopts the following technical scheme:
a deep foundation pit rapid dewatering device comprises a foundation pit, wherein a cover plate is arranged on the upper side of the foundation pit and consists of a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are connected through a rotating shaft, a connecting mechanism is arranged between the end parts of the first mounting plate and the second mounting plate, a water outlet pipe is inserted in the first mounting plate, a threaded end is arranged in the middle of the water outlet pipe, a threaded opening matched with the threaded end is formed in the first mounting plate, a vacuum pump is fixedly connected to the upper side wall of the first mounting plate, the input end of the vacuum pump penetrates through the first mounting plate and is communicated with the interior of the foundation pit, an extension plate is integrally formed on the lower side wall of the first mounting plate, a telescopic rod is rotatably connected to the extension plate, a connecting pipe is fixedly connected to the driving end of the telescopic rod, a sliding plate is arranged in the connecting pipe, and a telescopic spring is fixedly arranged between the sliding plate and the inner wall of the connecting pipe, the wire guide wheel is arranged at the end of the connecting pipe, one side, far away from the telescopic spring, of the sliding plate is fixedly connected with a steel wire rope which bypasses the wire guide wheel and extends to the bottom in the foundation pit, the lower end of the steel wire rope is fixedly connected with a connecting ball, the connecting ball is composed of a counterweight ball at the upper end and a floating ball at the lower end, L-shaped rods are fixed on the inner walls of the sliding plate and the connecting pipe, and a starting switch is installed at the end of one of the L-shaped rods.
Preferably, coupling mechanism includes the fixed plate that is the U type setting of being connected with a mounting panel tip rotation, the tip of mounting panel two is seted up with fixed plate tip assorted recess.
Preferably, a first magnet block is fixedly embedded at the end part of the fixing plate, and a second magnet block with the opposite magnetism to the first magnet block is embedded on the inner wall of the groove.
Preferably, a U-shaped baffle is fixedly connected to the upper side wall of one of the second mounting plates.
Preferably, two connecting rods of the lower side wall fixedly connected with of the second mounting plate, one of them the fixed pipe of tip fixedly connected with of connecting rod, the tip of fixed pipe is inserted and is equipped with the pinion rack, the tip fixedly connected with of pinion rack supports the board, another the lower extreme fixedly connected with motor of connecting rod, the drive end of motor extends to the gear that fixedly connected with and pinion rack engaged with in the fixed pipe.
Preferably, the gravity of the counterweight ball and the floating ball is smaller than the buoyancy of the floating ball, and the gravity of the connecting ball is larger than the elastic force of the telescopic spring.
Preferably, a mounting groove is formed in the joint of the extension plate and the telescopic rod, rotating shafts inserted into the inner wall of the mounting groove are fixed on the outer walls of the two sides of the telescopic rod, and a fastening bolt with an end extending into one of the mounting grooves is screwed on the outer wall of the extension plate.
A method for quickly dewatering a deep foundation pit comprises the following steps:
s1, rotating the first mounting plate until the fixing plate is separated from the groove, unfolding the first mounting plate and the second mounting plate, and placing the cover plate on the foundation pit;
s2, inserting the water outlet pipe into the threaded port, screwing the threaded end into the threaded port to complete the fixation of the water outlet pipe, and connecting the upper end of the water outlet pipe with an external water pump;
s3, the starting motor drives the gear to rotate, the gear and the toothed plate are meshed to drive the toothed plate to move towards the outer side, the abutting plate abuts against the inside of the foundation pit tightly, and the cover plate is fixed;
s4, extending out the driving end of the telescopic rod to drive the connecting pipe to move forward, and extending the connecting rope at the end of the steel wire rope to the bottom of the foundation pit;
s5, starting a vacuum pump to pump out air in the foundation pit, so that negative pressure is formed in the foundation pit, and water in the soil layer on the inner wall of the foundation pit seeps out of the foundation pit under the action of the negative pressure;
s6, the starting switch is connected with the water suction pump and an external power supply through a wire, when water exists in the foundation pit, the connecting ball floats under the buoyancy effect of the water, the sliding plate moves back under the reverse elasticity of the expansion spring, the end parts of the two L-shaped rods are contacted to press the starting switch, so that the water suction pump starts to work, the water seeped out of the foundation pit is pumped out by the water suction pump, after the water is pumped out, the water in the foundation pit disappears, the sliding plate moves downwards under the gravity effect of the connecting ball, so that the two L-shaped rods are staggered, the starting switch is not pressed any more, and the water suction pump stops working.
Compared with the prior art, the rapid dewatering device and the rapid dewatering method for the deep foundation pit have the advantages that:
1. the vacuum pump pumps out air in the foundation pit, so that negative pressure is formed in the foundation pit, and water in the soil layer on the inner wall of the foundation pit rapidly seeps out of the foundation pit under the action of the negative pressure, so that the problems that the traditional foundation pit is slow in water seepage, a water suction pump needs to work uninterruptedly for a long time and energy consumption is reduced are solved;
2. the water outlet pipe can be rotated out for storage, the telescopic rod can be rotated and folded upwards, the cover plate can be rotated for folding, and the occupied area of the subsequent cover plate during storage is reduced;
3. when there is water in the foundation ditch, will connect the ball buoyancy under the buoyancy of water and play, under expanding spring's reverse elasticity, the slide moves back, and the tip of two L type poles contacts and carries out the pressing of starting switch, makes the suction pump begin work, and the suction pump takes out the water that oozes in the foundation ditch, and when water back of taking out, the water in the foundation ditch disappears, and slide down under the action of gravity of connecting the ball makes two L type poles stagger, no longer carries out the pressing of starting switch, and the suction pump stop work.
Drawings
Fig. 1 is a schematic structural diagram of a deep foundation pit rapid precipitation device and method provided by the invention;
FIG. 2 is an enlarged view of the structure of portion A of FIG. 1;
FIG. 3 is an enlarged view of the structure of portion B of FIG. 1;
fig. 4 is a schematic view of a state of the cover plate during storage in the deep foundation pit rapid water lowering device and the method provided by the invention.
In the figure: the device comprises a foundation pit 1, a mounting plate II 2, a rotating shaft 3, a fixing plate 4, a groove 5, a baffle 6, a thread end 7, a water outlet pipe 8, a fixing pipe 9, a toothed plate 10, a butting plate 11, a motor 12, a vacuum pump 13, an extension plate 14, a telescopic rod 15, a connecting pipe 16, a telescopic spring 17, a sliding plate 18, a wire guide wheel 19, a steel wire rope 20, a counterweight ball 21, a floating ball 22, a rod 23L, a starting switch 24 and a gear 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a quick dewatering device of deep basal pit, including foundation pit 1, the upside of foundation pit 1 is equipped with the apron, the apron comprises two mounting panel one and mounting panel two 2, connect through pivot 3 between mounting panel one and the mounting panel two 2, be equipped with coupling mechanism between the tip of mounting panel one and mounting panel two 2, coupling mechanism includes the fixed plate 4 that is the U type setting of being connected with the rotation of mounting panel one end, the tip of mounting panel two 2 is seted up with fixed plate 4 tip assorted recess 5, under the normal state of accomodating, the tip card of fixed plate 4 carries out the connection between mounting panel one and mounting panel two 2 in recess 5, when the apron is put at the upside of foundation pit 1, rotate mounting panel two 2 and carry out the expansion of apron, put the apron at the upside of foundation pit 1 and carry out the upside sealing work of foundation pit 1.
Furthermore, the end part of the fixing plate 4 is fixedly embedded with a first magnet block, the inner wall of the groove 5 is embedded with a second magnet block which has the opposite magnetism to the first magnet block, the fixing of the fixing plate 4 is carried out through the magnetic adsorption between the first magnet block and the second magnet block, the fixing plate 4 is prevented from being separated from the groove 5, and the connection between the first mounting plate and the second mounting plate 2 is ensured to be stable.
Further, the baffle 6 that the last lateral wall fixedly connected with of mounting panel one was the U type setting contacts with baffle 6 when mounting panel two 2 up rotated, avoids baffle 6 to continue to up rotate 6.
Two connecting rods of lower lateral wall fixedly connected with of two 2 of mounting panel, the tip fixedly connected with fixed pipe 9 of one of them connecting rod, fixed pipe 9's tip is inserted and is equipped with pinion rack 10, the tip fixedly connected with of pinion rack 10 supports board 11, the lower extreme fixedly connected with motor 12 of another connecting rod, motor 12's drive end extends to fixed pipe 9 internal fixation connected with and pinion rack 10 engaged with gear 25, the apron is placed behind the upside of foundation ditch 1, extension board 14 will contact with the inner wall of foundation ditch, starter motor 12 drives gear 25 and rotates, mesh through gear 25 and pinion rack 10 drives pinion rack 10 and removes toward the outside, support board 11 and foundation ditch 1's inner wall and support tightly, accomplish the fixed of apron.
Insert on the mounting panel one and be equipped with outlet pipe 8, the middle part of outlet pipe 8 is equipped with screw thread end 7, sets up 7 assorted screw thread mouths of screw thread end on the mounting panel one, and outlet pipe 8 inserts to the screw thread mouth in, and the lower extreme of outlet pipe 8 extends to the interior bottom of foundation ditch 1, and the fixed of outlet pipe 8 is accomplished in 7 screw in screw thread mouths of screw thread end, and the upper end and the outside suction pump of outlet pipe 8 are connected.
The last lateral wall fixedly connected with vacuum pump 13 of mounting panel one, vacuum pump 13's input run through mounting panel one and foundation ditch 1's inside intercommunication, start vacuum pump 13 and take out the air in foundation ditch 1, make the interior negative pressure that forms of foundation ditch 1, the intraformational water of foundation ditch 1 inner wall soil oozes in foundation ditch 1 under the effect of negative pressure.
Lower lateral wall integrated into one piece of mounting panel one has extension board 14, it is connected with telescopic link 15 to rotate on the extension board 14, the mounting groove has been seted up with telescopic link 15's junction to extension board 14, all be fixed with on telescopic link 15's the both sides outer wall and insert the pivot of establishing at the mounting groove inner wall, it has the tip to extend to the fastening bolt in one of them mounting groove to rotate on the outer wall of extension board, telescopic link 15 drives connecting pipe 16 and carries out the back-and-forth movement, make the connecting ball extend to the interior bottom of foundation ditch 1, when carrying out the folding of apron, the drive end of telescopic link 15 is withdrawed, loosen fastening bolt soon, toward inboard rotation telescopic link 15, carry out fastening bolt's screwing again.
The driving end of the telescopic rod 15 is fixedly connected with a connecting pipe 16, a sliding plate 18 slides in the connecting pipe 16, a telescopic spring 17 is fixed between the sliding plate 18 and the inner wall of the connecting pipe 16, a wire guide wheel 19 is arranged at the end part of the connecting pipe 16, one side of the sliding plate 18 far away from the telescopic spring 17 is fixedly connected with a steel wire rope 20 which bypasses the wire guide wheel 19 and extends to the bottom in the foundation pit 1, the lower end of the steel wire rope 20 is fixedly connected with a connecting ball, the connecting ball consists of a counterweight ball 21 at the upper end and a floating ball 22 at the lower end, the gravity of the counterweight ball 21 and the floating ball 22 is smaller than the buoyancy of the floating ball 22, the gravity of the connecting ball is larger than the elasticity of the telescopic spring 17, when no water exists in the foundation pit 1, the sliding plate 18 moves downwards under the gravity of the connecting ball, so that the two L-shaped rods 23 are staggered, when water exists in the foundation pit 1, the connecting ball floats under the buoyancy of the floating ball 22, and further under the elasticity of the telescopic spring 17, the sliding plate 18 moves upwards to enable the two L-shaped rods 23 to be in contact with each other, the starting switch 24 is pressed, the L-shaped rods 23 are fixed on the inner walls of the sliding plate 18 and the connecting pipe 16, the starting switch 24 is installed at the end of one L-shaped rod 23, the starting switch 24 is connected with an external water pump and a power supply through a lead, and the input end of the water pump is connected with the upper end of the water outlet pipe 8.
A method for quickly dewatering a deep foundation pit comprises the following steps:
s1, rotating the first mounting plate until the fixing plate is separated from the groove, unfolding the first mounting plate and the second mounting plate, and placing the cover plate on the foundation pit;
s2, inserting the water outlet pipe into the threaded port, screwing the threaded end into the threaded port to complete the fixation of the water outlet pipe, and connecting the upper end of the water outlet pipe with an external water pump;
s3, the starting motor drives the gear to rotate, the gear and the toothed plate are meshed to drive the toothed plate to move towards the outer side, the abutting plate abuts against the inside of the foundation pit tightly, and the cover plate is fixed;
s4, extending out the driving end of the telescopic rod to drive the connecting pipe to move forward, and extending the connecting rope at the end of the steel wire rope to the bottom of the foundation pit;
s5, starting a vacuum pump to pump out air in the foundation pit, so that negative pressure is formed in the foundation pit, and water in the soil layer on the inner wall of the foundation pit seeps out of the foundation pit under the action of the negative pressure;
s6, the starting switch is connected with the water suction pump and an external power supply through a wire, when water exists in the foundation pit, the connecting ball floats under the buoyancy effect of the water, the sliding plate moves back under the reverse elasticity of the expansion spring, the end parts of the two L-shaped rods are contacted to press the starting switch, so that the water suction pump starts to work, the water seeped out of the foundation pit is pumped out by the water suction pump, after the water is pumped out, the water in the foundation pit disappears, the sliding plate moves downwards under the gravity effect of the connecting ball, so that the two L-shaped rods are staggered, the starting switch is not pressed any more, and the water suction pump stops working.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. The quick dewatering method for the deep foundation pit is characterized in that a cover plate is arranged on the upper side of the foundation pit (1), the cover plate is composed of a first mounting plate and a second mounting plate (2), the first mounting plate and the second mounting plate (2) are connected through a rotating shaft (3), a connecting mechanism is arranged between the end portions of the first mounting plate and the second mounting plate (2), a water outlet pipe (8) is inserted into the first mounting plate, a threaded end (7) is arranged in the middle of the water outlet pipe (8), a threaded opening matched with the threaded end (7) is formed in the first mounting plate, a vacuum pump (13) is fixedly connected to the upper side wall of the first mounting plate, the input end of the vacuum pump (13) penetrates through the first mounting plate and is communicated with the inside of the foundation pit (1), an extension plate (14) is integrally formed on the lower side wall of the first mounting plate, and a telescopic rod (15) is rotatably connected to the extension plate (14), the connecting device is characterized in that a connecting pipe (16) is fixedly connected to the driving end of the telescopic rod (15), a sliding plate (18) is arranged in the connecting pipe (16) in a sliding mode, a telescopic spring (17) is fixed between the sliding plate (18) and the inner wall of the connecting pipe (16) in a training stage, a wire guide wheel (19) is arranged at the end portion of the connecting pipe (16), a steel wire rope (20) which bypasses the wire guide wheel (19) and extends to the inner bottom of a foundation pit (1) is fixedly connected to one side, away from the telescopic spring (17), of the sliding plate (18), a connecting ball is fixedly connected to the lower end of the steel wire rope (20), the connecting ball consists of a counterweight ball (21) at the upper end and a floating ball (22) at the lower end, L-shaped rods (23) are fixed to the inner walls of the sliding plate (18) and the connecting pipe (16), and a starting switch (24) is installed at the end portion of one L-shaped rod (23);
the connecting mechanism comprises a U-shaped fixing plate (4) rotatably connected with one end of the mounting plate, and a groove (5) matched with the end of the fixing plate (4) is formed in the end of the mounting plate II;
a first magnet block is fixedly embedded at the end part of the fixing plate (4), and a second magnet block with the opposite magnetism to the first magnet block is embedded on the inner wall of the groove (5);
the lower side wall of the second mounting plate (2) is fixedly connected with two connecting rods, the end part of one connecting rod is fixedly connected with a fixed pipe (9), a toothed plate (10) is inserted into the end part of the fixed pipe (9), the end part of the toothed plate (10) is fixedly connected with a resisting plate (11), the lower end of the other connecting rod is fixedly connected with a motor (12), and a gear (25) meshed with the toothed plate (10) is fixedly connected with the driving end of the motor (12) extending into the fixed pipe (9);
mounting grooves are formed in the connecting positions of the extension plates (14) and the telescopic rods (15), rotating shafts inserted into the inner walls of the mounting grooves are fixed on the outer walls of the two sides of each telescopic rod (15), and fastening bolts with end portions extending into one of the mounting grooves are screwed on the outer walls of the extension plates;
the method comprises the following steps:
s1, rotating the first mounting plate until the fixing plate is separated from the groove, unfolding the first mounting plate and the second mounting plate, and placing the cover plate on the foundation pit;
s2, inserting the water outlet pipe into the threaded port, screwing the threaded end into the threaded port to complete the fixation of the water outlet pipe, and connecting the upper end of the water outlet pipe with an external water pump;
s3, the starting motor drives the gear to rotate, the gear and the toothed plate are meshed to drive the toothed plate to move towards the outer side, the abutting plate abuts against the inside of the foundation pit tightly, and the cover plate is fixed;
s4, extending out the driving end of the telescopic rod to drive the connecting pipe to move forward, and extending the connecting rope at the end of the steel wire rope to the bottom of the foundation pit;
s5, starting a vacuum pump to pump out air in the foundation pit, so that negative pressure is formed in the foundation pit, and water in the soil layer on the inner wall of the foundation pit seeps out of the foundation pit under the action of the negative pressure;
s6, the starting switch is connected with the water suction pump and an external power supply through a wire, when water exists in the foundation pit, the connecting ball floats under the buoyancy effect of the water, the sliding plate moves back under the reverse elasticity of the expansion spring, the end parts of the two L-shaped rods are contacted to press the starting switch, so that the water suction pump starts to work, the water seeped out of the foundation pit is pumped out by the water suction pump, after the water is pumped out, the water in the foundation pit disappears, the sliding plate moves downwards under the gravity effect of the connecting ball, so that the two L-shaped rods are staggered, the starting switch is not pressed any more, and the water suction pump stops working.
2. The method for rapidly lowering the water level in the deep foundation pit according to claim 1, wherein a baffle (6) arranged in a U shape is fixedly connected to the upper side wall of the first mounting plate.
3. The method for rapidly lowering the water level in the deep foundation pit according to claim 1, wherein the gravity of the counterweight ball (21) and the floating ball (22) is smaller than the buoyancy of the floating ball (22), and the gravity of the connecting ball is larger than the elastic force of the expansion spring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480283.XA CN111749257B (en) | 2020-05-30 | 2020-05-30 | Quick dewatering device and method for deep foundation pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480283.XA CN111749257B (en) | 2020-05-30 | 2020-05-30 | Quick dewatering device and method for deep foundation pit |
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| Publication Number | Publication Date |
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| CN111749257A CN111749257A (en) | 2020-10-09 |
| CN111749257B true CN111749257B (en) | 2021-12-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113398803B (en) * | 2021-07-29 | 2022-09-09 | 山东亿源环境工程有限公司 | Quantitative mixing device for preparation of water enzyme-based rapid comprehensive restoration agent |
| CN114370055B (en) * | 2022-01-22 | 2024-04-12 | 朱飞 | Automatic foundation pit drainage system based on buoyancy starting |
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| CN207714336U (en) * | 2017-12-12 | 2018-08-10 | 济南昊兴市政工程有限公司 | A kind of deep basal pit closing fast rainfall guard system |
| CN207714348U (en) * | 2017-12-12 | 2018-08-10 | 济南昊兴市政工程有限公司 | A kind of deep basal pit fast rainfall device |
| CN108755726A (en) * | 2018-06-12 | 2018-11-06 | 张玲 | A kind of building foundation pit drainage arrangement |
| CN209211472U (en) * | 2018-12-04 | 2019-08-06 | 山东海岳环境科技股份有限公司 | It is a kind of can Fast Installation disassembly foundation pit tube well dewatering robot control system(RCS) |
| CN210194654U (en) * | 2019-04-30 | 2020-03-27 | 山西省晋中路桥建设集团有限公司 | Deep basal pit well point dewatering construction equipment |
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2020
- 2020-05-30 CN CN202010480283.XA patent/CN111749257B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207714336U (en) * | 2017-12-12 | 2018-08-10 | 济南昊兴市政工程有限公司 | A kind of deep basal pit closing fast rainfall guard system |
| CN207714348U (en) * | 2017-12-12 | 2018-08-10 | 济南昊兴市政工程有限公司 | A kind of deep basal pit fast rainfall device |
| CN108755726A (en) * | 2018-06-12 | 2018-11-06 | 张玲 | A kind of building foundation pit drainage arrangement |
| CN209211472U (en) * | 2018-12-04 | 2019-08-06 | 山东海岳环境科技股份有限公司 | It is a kind of can Fast Installation disassembly foundation pit tube well dewatering robot control system(RCS) |
| CN210194654U (en) * | 2019-04-30 | 2020-03-27 | 山西省晋中路桥建设集团有限公司 | Deep basal pit well point dewatering construction equipment |
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| CN111749257A (en) | 2020-10-09 |
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