CN114908785B - Drainage device for construction of foundation pit of building site - Google Patents
Drainage device for construction of foundation pit of building site Download PDFInfo
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- CN114908785B CN114908785B CN202210530829.7A CN202210530829A CN114908785B CN 114908785 B CN114908785 B CN 114908785B CN 202210530829 A CN202210530829 A CN 202210530829A CN 114908785 B CN114908785 B CN 114908785B
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- filtering clamping
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- 238000010276 construction Methods 0.000 title claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000001125 extrusion Methods 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000005086 pumping Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005457 optimization Methods 0.000 description 12
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000009412 basement excavation Methods 0.000 description 2
- 239000004746 geotextile Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a drainage device for construction of a foundation pit of a building site, which comprises two filtering clamping plates, wherein one filtering clamping plate is longitudinally arranged and is abutted against the side wall of the foundation pit, and the other filtering clamping plate is horizontally arranged at the bottom of the foundation pit, and one end of the other filtering clamping plate is connected with the lower end of the vertically arranged filtering clamping plate; the limiting plate is vertically connected with the end part of the horizontal filtering clamping plate; the two ends of the horizontal extrusion plate are respectively connected with the limiting plate and the vertical filtering clamping plate in a sliding manner; the vertical extrusion plate is connected to the horizontal extrusion plate in a sliding manner; the water absorbing sponge is respectively arranged in a first cavity formed by the horizontal extrusion plate and the horizontal filtering clamping plate, and in a second cavity formed by the vertical extrusion plate and the vertical filtering clamping plate; the one-way valve is positioned on the horizontal extrusion plate and is respectively communicated with the first cavity and the second cavity; the extrusion mechanism is used for respectively extruding the horizontal extrusion plate and the vertical extrusion plate to be close to the filtering clamping plate in the moving direction; the inlet end of the water pumping mechanism is arranged in the first cavity. The invention is built by selecting the size, and the water discharge can be controlled by setting the water yield of the water pump.
Description
Technical Field
The invention relates to the technical field of foundation pit drainage, in particular to a drainage device for construction of a building foundation pit.
Background
In building construction, geological pressure-bearing water has a great potential safety hazard for foundation pit construction. In construction, a method of draining water from a water collecting well is generally adopted. The conventional water collecting well has small drainage amount of a single water collecting well, large piping amount of underground pressure-bearing water and can meet the drainage requirement only by beating a plurality of water collecting wells. In the underground pressure-bearing water drainage construction, the silt and sand content in the stratum of the coastal area are large, and the drainage pipe is easy to be blocked by adopting a common water collecting well for drainage.
Chinese patent CN106836232a discloses an annular drainage ditch formed by excavation in 2017, 6 and 13, the ditch bottom is primarily flattened with concrete and slope finding is performed; a pipeline with holes is arranged in the drainage ditch; pebbles are stacked outside the water guide pipe in the drainage ditch to be filled and fully covered, and geotextile is laid on the top surface of the pebble layer; after the geotextile laying of the drainage ditch is completed, the construction of an upper mattress layer can be carried out; the water collecting pit is internally provided with a water collecting well, and the end heads of the water guide pipes are communicated with the inside of the water collecting well; arranging and installing all water guide pipes led into a water collecting well, and reserving a water suction end pipeline used by a self-priming pump; and installing a self-priming water pump. The construction process can realize continuous drainage in the foundation construction stage by arranging the drainage ditch in the foundation bearing layer in a hidden mode.
Although the construction process can be used for continuously draining water in the foundation construction stage by arranging the drainage ditch in the foundation bearing layer in a hidden manner, the excavation amount of the annular drainage ditch is large, the construction progress is slow, and the piping amount of underground pressure-bearing water is large, so that the drainage requirement is difficult to meet, and therefore, the drainage device for foundation pit construction, which can be installed quickly, and has larger drainage amount, needs to be provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the main object of the invention is to provide a drainage device for foundation pit construction of a construction site, which can be installed quickly and has larger drainage amount.
In order to achieve the above purpose, the present invention adopts the following technical scheme, and a drainage device for construction of a foundation pit of a building site comprises:
the two filtering clamping plates are longitudinally arranged and are in contact with the side wall of the foundation pit, and the other filtering clamping plate is horizontally arranged at the bottom of the foundation pit, and one end of the other filtering clamping plate is connected with the lower end of the vertically arranged filtering clamping plate;
the lower end of the limiting plate is vertically and fixedly connected with the other end of the horizontal filtering clamping plate;
the horizontal extrusion plate is arranged above the horizontal filtering clamping plate, and two ends of the horizontal extrusion plate are respectively connected with the limiting plate and the vertical filtering clamping plate in a sliding manner;
the vertical extrusion plate is arranged on the horizontal extrusion plate, and the lower end of the vertical extrusion plate is in sliding connection with the horizontal extrusion plate;
the water absorbing sponge is respectively arranged in a first cavity formed by the horizontal extrusion plate and the horizontal filtering clamping plate and a second cavity formed by the vertical extrusion plate and the vertical filtering clamping plate;
the one-way valve is respectively communicated with the first cavity and the second cavity;
the extrusion mechanism is arranged on the horizontal extrusion plate and respectively extrudes the filtering clamping plates in the direction of approaching movement of the horizontal extrusion plate and the vertical extrusion plate;
the water pumping mechanism is arranged at the top of the vertical filtering clamping plate, the inlet end of the water pumping mechanism is communicated with the second cavity and is used for discharging water collected in the second cavity.
As a further optimization of the invention, the filtering clamping plate comprises an inner clamping plate and an outer clamping plate which are contacted with the foundation pit wall, wherein the inner clamping plate and the outer clamping plate are filter plates, a gravel layer, a fiber layer and a gravel layer are sequentially paved between the inner clamping plate and the outer clamping plate, and a first filter screen and a second filter screen are respectively arranged on the gravel layer, the fiber layer and the gravel layer.
As a further optimization of the present invention, the pressing mechanism includes a pitch adjustment pressing mechanism in the horizontal direction and a pressing moving mechanism in the vertical direction.
As a further optimization of the present invention, it further comprises:
the vertical fixing plate is vertically arranged on the horizontal extrusion plate and is positioned at one side of the vertical fixing plate away from the vertical filtering clamping plate, and the upper end of the vertical fixing plate is fixedly connected with the upper end of the vertical extrusion plate through a telescopic plate;
the pitch adjustment mechanism includes:
the lower end of the vertical screw rod is rotationally connected with the top of the horizontal extrusion plate;
the first positive and negative motor is arranged at the bottom of the expansion plate, and a motor shaft of the first positive and negative motor is in transmission connection with the upper end of the vertical screw rod;
the first sliding blocks are longitudinally provided with threaded holes, and are respectively in threaded connection with the vertical screw rod through the threaded holes;
the quantity of multiunit connecting rod, every group the connecting rod is two, every group the connecting rod symmetry slope set up in every the both sides of first slider, every group the lower extreme of connecting rod is articulated with the lateral wall of every first slider, every group the upper end of connecting rod respectively with vertical pressurization board with vertical fixed plate articulates.
As a further optimization of the present invention, the pressurizing moving mechanism includes a first pressurizing mechanism and a second pressurizing mechanism;
the first pressurizing mechanism includes:
one end of the horizontal fixing plate is fixedly connected with the upper end of the vertical filtering clamping plate;
the lower end of the telescopic end of the electric telescopic rod is fixedly connected with the top of the telescopic plate, and the upper end of the electric telescopic rod is fixedly connected with the bottom of the horizontal fixed plate;
the second pressurizing mechanism includes:
the groove is formed in the limiting plate;
the second positive and negative motor is fixedly arranged on the groove wall in the groove, which is close to one side of the vertical fixing plate;
one end of the horizontal screw rod is in transmission connection with a motor shaft of the second positive and negative motor, and the other end of the horizontal screw rod is in rotary connection with the groove wall in the groove;
the second sliding block is arranged at the top of the horizontal pressurizing plate, the bottom of the second sliding block is in sliding connection with the top of the horizontal pressurizing plate, a threaded hole is formed in the horizontal direction, and the second sliding block is in threaded connection with the horizontal screw rod through the threaded hole;
and one end of the supporting pressurizing rod is hinged with the upper section of the side wall of the vertical fixing plate, which is close to one side of the limiting plate, and the other end of the supporting pressurizing rod is hinged with the top of the second sliding block.
As a further optimization of the invention, the filter clamping plate further comprises an elastic supporting structure which is arranged in the first cavity, wherein the elastic supporting structure comprises a plurality of supporting springs which are arranged along the length direction of the horizontal pressurizing plate, the upper end of the elastic supporting structure is connected with the bottom of the horizontal pressurizing plate, and the lower end of the elastic supporting structure is connected with the top of the horizontally arranged filter clamping plate.
As a further optimization of the present invention, the water pumping mechanism includes:
the suction pump is arranged on the ground surface;
one end of the water suction pipe is communicated with the water suction pump, and the other end of the water suction pipe penetrates through the horizontal fixing plate and extends into the first cavity.
Compared with the prior art, the invention has the beneficial effects that:
the filtering clamping plates are respectively abutted against the side wall and the bottom of the foundation pit, the water absorbing sponge capable of absorbing water is respectively arranged between the vertical compression plates of the horizontal compression plates of the filtering clamping plates, water passing through the filtering clamping plates in soil near the foundation pit can be absorbed, the horizontal and vertical directions of the filtering clamping plates are respectively provided with the compression mechanisms, the compression mechanisms respectively apply pressure to the horizontal compression plates and the vertical compression plates to compress the water absorbing sponge capable of absorbing water between the filtering clamping plates and the horizontal compression plates and between the filtering clamping plates and the vertical compression plates, after the water in the water absorbing sponge is extruded, the water is pumped out by utilizing the water pump pipe, the whole device can be set up according to actual operation requirements, proper width and length are selected, and the water discharge can be controlled by arranging the water discharge amount of the water pump.
Drawings
FIG. 1 is a schematic view of an assembled structure of the present invention;
fig. 2 is a schematic cross-sectional structure of the present invention.
1. The device comprises a filtering clamping plate, a vertical extrusion plate, a horizontal fixing plate, a water pump, a water suction pipe, an electric telescopic rod, a connecting rod, a vertical fixing plate, a supporting pressurizing rod, a second positive and negative motor, a horizontal screw rod, a horizontal extrusion plate, a water absorption sponge, a limiting plate, a one-way valve and a telescopic plate, wherein the filtering clamping plate is arranged on the filtering clamping plate, the vertical extrusion plate is arranged on the filtering clamping plate, the horizontal fixing plate is arranged on the filtering clamping plate, the water suction pump is arranged on the filtering clamping plate, the vertical extrusion plate is arranged on the filtering clamping plate, the water suction pipe is arranged on the filtering clamping plate, the water suction plate is arranged on the filtering clamping plate, the filtering clamping plate is arranged on the filtering clamping plate, the vertical extrusion plate is arranged on the filtering clamping plate, the water suction pipe is arranged on the filtering clamping plate is arranged on the vertical extrusion plate, the vertical extrusion plate is arranged on the vertical clamping plate is the water suction pipe is arranged.
Description of the embodiments
The invention will be further described with reference to the drawings and embodiments.
Examples
Referring to fig. 1-2, a drainage device for pit construction of a building site comprises two filtering clamping plates 1, wherein one filtering clamping plate is longitudinally arranged and is abutted against the side wall of a foundation pit, and the other filtering clamping plate is horizontally arranged at the bottom of the foundation pit, and one end of the other filtering clamping plate is connected with the lower end of the vertically arranged filtering clamping plate 1; the lower end of the limiting plate 14 is vertically and fixedly connected with the other end of the horizontal filtering clamping plate 1; the horizontal extrusion plate 12 is arranged above the horizontal filtering clamping plate 1, and two ends of the horizontal extrusion plate are respectively connected with the limiting plate 14 and the vertical filtering clamping plate 1 in a sliding manner; the vertical extrusion plate 2 is vertically arranged on the horizontal extrusion plate 12, and the lower end of the vertical extrusion plate is in sliding connection with the horizontal extrusion plate 12; the water absorbing sponge is respectively arranged in a second cavity formed by the horizontal extrusion plate 12 and the horizontal filtering clamping plate 1 and a second cavity formed by the vertical extrusion plate 2 and the vertical filtering clamping plate 1, and can actively absorb water deposited in the foundation pit after being filtered by the filtering clamping plate 1; the one-way valve 15 is arranged on the horizontal extrusion plate 12 and is positioned at one end of the horizontal extrusion plate 12, which is close to the vertically arranged filter clamping plate 1; the extrusion mechanism is arranged on the horizontal extrusion plate 12 and respectively extrudes the horizontal extrusion plate 12 and the vertical extrusion plate 2 to be close to the filtering clamping plate 1 in the moving direction; the inlet end of the water pumping mechanism is arranged between the vertical extrusion plate 2 and the vertical filtering clamping plate 1 through the horizontal fixing plate 3; and one end of the supporting mechanism is hinged with the side wall of the vertical fixing plate 8, the other end of the supporting mechanism is connected with the top of the horizontal extrusion plate 12, after the vertical extrusion is completed, the horizontal extrusion plate 12 is restored to the original height through the supporting mechanism, and the water absorbing sponge between the horizontal extrusion plate 12 and the horizontally arranged filtering clamping plate 1 can absorb deposited water which is filtered and collected by the filtering clamping plate 1 in the foundation pit again.
In order to better realize the filtration of the filtering splint 1, as a further optimization of the invention, the filtering splint 1 comprises an inner splint and an outer splint which are contacted with the foundation pit wall, wherein the inner splint and the outer splint are filter plates, a gravel layer, a fiber layer and a gravel layer are sequentially paved between the inner splint and the outer splint, and the gravel layer, the fiber layer and the gravel layer are respectively provided with a first filter screen and a second filter screen.
As a further optimization of the present invention, the pressing mechanism includes a pitch adjustment pressing mechanism in the horizontal direction and a pressing moving mechanism in the vertical direction.
As a further optimization of the invention, the invention also comprises a vertical fixing plate 8 which is vertically arranged on the horizontal extrusion plate 12, is positioned on one side of the vertical fixing plate 8 far away from the vertical filtering clamping plate 1, and the upper end of the vertical fixing plate 8 is fixedly connected with the upper end of the vertical extrusion plate 2 through a telescopic plate; the pitch adjustment mechanism mentioned in the present embodiment includes: the lower end of the vertical screw rod is rotationally connected with the top of the horizontal extrusion plate 12; the first positive and negative motor is arranged at the bottom of the expansion plate, and a motor shaft of the first positive and negative motor is in transmission connection with the upper end of the vertical screw rod; the first sliding blocks are longitudinally provided with threaded holes, and are respectively in threaded connection with the vertical screw rod through the threaded holes; the quantity of every group connecting rod 7 is two, and every group connecting rod 7 symmetry slope sets up the both sides with every first slider, and every group connecting rod 7's lower extreme is articulated with every first slider's lateral wall, and every group connecting rod 7's upper end is articulated with vertical pressurization board, vertical fixed plate 8 respectively, realizes the interval between vertical fixed plate 8 and the vertical stripper plate 12 through the positive and negative rotation of first positive and negative motor.
As a further optimization of the present invention, the pressurizing moving mechanism includes a first pressurizing mechanism and a second pressurizing mechanism.
The first pressurizing mechanism in the embodiment comprises a horizontal fixing plate 3, one end of the horizontal fixing plate is fixedly connected with the upper end of the vertical filtering clamping plate 1, the lower end of the electric telescopic rod 6 is fixedly connected with the top of the telescopic plate 16, and the upper end of the electric telescopic rod is fixedly connected with the bottom of the horizontal fixing plate 3;
the second pressurizing mechanism includes: the groove is formed in the horizontal pressurizing plate 12, and the second positive and negative motor 10 is fixedly arranged on the groove wall in the groove, which is close to one side of the vertical fixing plate 8; one end of the horizontal screw rod 11 is in transmission connection with a motor shaft of the second positive and negative motor 10, and the other end of the horizontal screw rod is in rotary connection with a groove wall in the groove; the second sliding block is arranged at the top of the horizontal pressurizing plate 12, the bottom of the second sliding block is in sliding connection with the top of the horizontal pressurizing plate 12, a threaded hole is formed in the horizontal direction, and the second sliding block is connected with a horizontal screw rod 11 through the threaded hole; one end of the supporting pressurizing rod 9 is hinged with the upper section of the side wall of the vertical fixing plate 8, which is close to one side of the limiting plate 14, and the other end of the supporting pressurizing rod is hinged with the top of the second sliding block.
As a further optimization of the present invention, the filter clamping plate further comprises an elastic supporting mechanism, which is arranged in the first cavity and comprises a plurality of supporting springs, wherein the supporting springs are arranged along the length direction of the horizontal pressurizing plate 12, the upper end of the supporting springs is connected with the bottom of the horizontal pressurizing plate 12, and the lower end of the supporting springs is connected with the top of the horizontally arranged filter clamping plate 1.
As a further optimization of the present invention, the water pumping mechanism comprises: a suction pump 4 arranged on the ground; and one end of the water suction pipe 5 is communicated with the water suction pump, and the other end of the water suction pipe penetrates through the horizontal fixing plate 3 and extends into the first cavity.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the scope of the present invention, and all designs which are the same or similar to the present invention are within the scope of the present invention.
Claims (7)
1. Drainage device for construction of building site ground pit, characterized by, include:
the two filtering clamping plates (1) are longitudinally arranged and are abutted against the side wall of the foundation pit, and the other filtering clamping plate is horizontally arranged at the bottom of the foundation pit, and one end of each filtering clamping plate is connected with the lower end of the vertically arranged filtering clamping plate (1);
the lower end of the limiting plate (14) is vertically and fixedly connected with the other end of the horizontal filtering clamping plate (1);
the horizontal extrusion plate (12) is arranged above the horizontal filtering clamping plate (1), and two ends of the horizontal extrusion plate are respectively connected with the limiting plate (14) and the vertical filtering clamping plate (1) in a sliding manner;
the vertical extrusion plate (2) is arranged on the horizontal extrusion plate (12), and the lower end of the vertical extrusion plate is in sliding connection with the horizontal extrusion plate (12);
the water absorbing sponge is respectively arranged in a first cavity formed by the horizontal extrusion plate (12) and the horizontal filtering clamping plate (1) and a second cavity formed by the vertical extrusion plate (2) and the vertical filtering clamping plate (1);
the one-way valve (15) is arranged on the horizontal pressurizing plate (12) and is respectively communicated with the first cavity and the second cavity;
the extrusion mechanism is arranged on the horizontal extrusion plate (12) and respectively extrudes the horizontal extrusion plate (12) and the vertical extrusion plate (2) to be close to the filtering clamping plate (1) in the moving direction;
the water pumping mechanism is arranged at the top of the vertical filtering clamping plate (1), the inlet end of the water pumping mechanism is communicated with the second cavity and is used for discharging accumulated water collected in the second cavity.
2. The drainage device for construction of foundation pits of a building site according to claim 1, wherein the filtering clamping plate (1) comprises an inner clamping plate and an outer clamping plate which are in contact with the foundation pit wall, the inner clamping plate and the outer clamping plate are filter plates, a gravel layer, a fiber layer and a gravel layer are sequentially paved between the inner clamping plate and the outer clamping plate, and the gravel layer and the fiber layer and the gravel layer are respectively provided with a first filter screen and a second filter screen.
3. The drainage device for pit construction in a construction site according to claim 1, wherein the pressing mechanism includes a spacing adjustment mechanism in a horizontal direction and a pressing movement mechanism in a vertical direction.
4. A drainage device for construction of a foundation pit for a construction site according to claim 3, further comprising:
the vertical fixing plate (8) is fixedly arranged on the horizontal extrusion plate (12) and is positioned on one side, far away from the vertical filtering clamping plate (1), of the vertical extrusion plate (2), and the upper end of the vertical fixing plate is connected with the upper end of the vertical extrusion plate (2) through a telescopic plate (16);
the pitch adjustment mechanism includes:
the lower end of the vertical screw rod is rotationally connected with the top of the horizontal extrusion plate (12);
the first positive and negative motor is arranged at the bottom of the expansion plate (16), and a motor shaft of the first positive and negative motor is in transmission connection with the upper end of the vertical screw rod;
the first sliding blocks are longitudinally provided with threaded holes, and are respectively in threaded connection with the vertical screw rod through the threaded holes;
the quantity of multiunit connecting rod (7), every group connecting rod (7) is two, every group connecting rod (7) symmetry slope set up in every the both sides of first slider, every group the lower extreme of connecting rod (7) is articulated with the lateral wall of every first slider, every group the upper end of connecting rod (7) respectively with vertical pressurization board (2) with vertical fixed plate (8) are articulated.
5. The drainage device for pit construction in a construction site according to claim 4, wherein the pressurizing moving mechanism comprises a first pressurizing mechanism and a second pressurizing mechanism;
the first pressurizing mechanism includes:
one end of the horizontal fixing plate (3) is fixedly connected with the upper end of the vertical filtering clamping plate (1);
the lower end of the telescopic end of the electric telescopic rod (6) is fixedly connected with the top of the telescopic plate (16), and the upper end of the electric telescopic rod is fixedly connected with the bottom of the horizontal fixed plate (3);
the second pressurizing mechanism includes:
the groove is formed in the horizontal pressurizing plate (12);
the second positive and negative motor (10) is fixedly arranged on the groove wall in the groove, which is close to one side of the vertical fixing plate (8);
one end of the horizontal screw rod (11) is in transmission connection with a motor shaft of the second positive and negative motor (10), and the other end of the horizontal screw rod is in rotary connection with the groove wall in the groove;
the second sliding block is arranged at the top of the horizontal pressurizing plate (12), the bottom of the second sliding block is in sliding connection with the top of the horizontal pressurizing plate (12), a threaded hole is formed in the horizontal direction, and the second sliding block is in threaded connection with the horizontal screw rod (11) through the threaded hole;
one end of the supporting pressurizing rod (9) is hinged with the upper section of the side wall of the vertical fixing plate (8) close to one side of the limiting plate (14), and the other end of the supporting pressurizing rod is hinged with the top of the second sliding block.
6. The drainage device for pit construction of a construction site according to claim 2, further comprising an elastic supporting structure provided in the first cavity, wherein the elastic supporting structure comprises a plurality of supporting springs arranged along the length direction of the horizontal pressurizing plate (12), the upper end thereof is connected with the bottom of the horizontal pressurizing plate (12), and the lower end thereof is connected with the top of the horizontally arranged filtering clamping plate.
7. The drainage device for construction of foundation pit of building site according to claim 5, wherein said water pumping mechanism comprises:
a suction pump (4) arranged on the ground surface;
and one end of the water suction pipe (5) is communicated with the water suction pump, and the other end of the water suction pipe penetrates through the horizontal fixing plate (3) and extends into the first cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210530829.7A CN114908785B (en) | 2022-05-16 | 2022-05-16 | Drainage device for construction of foundation pit of building site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210530829.7A CN114908785B (en) | 2022-05-16 | 2022-05-16 | Drainage device for construction of foundation pit of building site |
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| Publication Number | Publication Date |
|---|---|
| CN114908785A CN114908785A (en) | 2022-08-16 |
| CN114908785B true CN114908785B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210530829.7A Active CN114908785B (en) | 2022-05-16 | 2022-05-16 | Drainage device for construction of foundation pit of building site |
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