CN114703877A

CN114703877A - Water supply and drainage device for deep foundation pit and construction method thereof

Info

Publication number: CN114703877A
Application number: CN202210440304.4A
Authority: CN
Inventors: 蔡可宁; 程雨; 魏钢
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-07-05

Abstract

The invention discloses a water supply and drainage device for a deep foundation pit and a construction method thereof, wherein the water supply and drainage device comprises a drainage mechanism arranged in the deep foundation pit, the drainage mechanism comprises a water collecting cylinder, a filter screen is arranged at the upper part of the water collecting cylinder, a top cover is arranged at the upper end of the water collecting cylinder, a motor is arranged on the top cover, a rotating shaft of the motor is fixedly connected with a cleaning piece, the cleaning piece comprises a connecting rod and a cleaning bottom plate, the connecting rod is connected with the rotating shaft, the cleaning bottom plates are arranged at two ends of the connecting rod, a cleaning brush is arranged on the inner side of the cleaning bottom plate, and the cleaning brush is arranged corresponding to the filter screen and clings to the outer wall of the filter screen. The water supply and drainage device for the deep foundation pit, provided by the invention, can avoid the blockage of the filter screen, has a good drainage effect, and is simple in implementation method and convenient to use.

Description

Water supply and drainage device for deep foundation pit and construction method thereof

Technical Field

The invention belongs to the technical field of deep foundation pits, and particularly relates to a water supply and drainage device for a deep foundation pit and a construction method thereof.

Background

The foundation pit engineering mainly comprises the design and construction of a foundation pit supporting system and the excavation of earthwork, and is a system engineering with strong comprehensiveness; the foundation pit supporting system is a temporary structure and is not needed after the construction of underground engineering is finished, and the deep foundation pit refers to an engineering with the excavation depth of more than 5 meters (including 5 meters) or the excavation depth of less than 5 meters, but the geological conditions, the surrounding environment and underground pipelines are particularly complex.

At present, a brick water collecting well and a method for placing a submersible pump for pumping water are generally adopted for deep foundation pit drainage, but the submersible pump or a drainage pipeline is easy to block in the form, so that the drainage effect is influenced.

Disclosure of Invention

The invention aims to provide a water supply and drainage device for a deep foundation pit and a construction method thereof, and aims to solve the problem of poor drainage effect in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a plumbing device for deep basal pit, is including setting up the drainage mechanism in the deep basal pit, drainage mechanism includes the water-collecting drum, the upper portion of water-collecting drum is equipped with the filter screen, the water-collecting drum upper end is provided with the top cap, install the motor on the top cap, the pivot fixedly connected with clearance piece of motor, clearance piece includes connecting rod and clearance bottom plate, the connecting rod is connected with the pivot, the clearance bottom plate sets up at the both ends of connecting rod, and clearance bottom plate inboard is provided with the cleaning brush, the cleaning brush corresponds the filter screen setting and hugs closely the filter screen outer wall.

Preferably, be equipped with waterproof frame in the water catch bowl, install the water pump in the waterproof frame, the end of intaking of water pump is provided with the inlet tube, and the inlet tube passes waterproof frame setting, the play water end of water pump is provided with the outlet pipe, and the outlet pipe passes waterproof frame and water catch bowl and stretches out ground.

Preferably, the lower extreme of water collecting barrel is provided with the installation awl, the cavity has been seted up to water collecting barrel's bottom, install two-way cylinder in the cavity, two sides power shaft of two-way cylinder is connected with the stationary cone respectively, and the cavity both sides are equipped with the through-hole that corresponds with the stationary cone.

Preferably, the top cover is detachably connected with the water collecting barrel.

Preferably, the cleaning bottom plate is four strip-shaped plates, the four strip-shaped plates form a diamond-shaped frame, the diamond-shaped frame is an arc-shaped curved surface and is matched with the water collecting barrel, and cleaning brushes are arranged on the inner sides of the four strip-shaped plates.

Preferably, the cleaning brush comprises a plurality of cleaning knives and steel wires, the steel wires are vertically arranged in the middle of the strip-shaped plate, the cleaning knives are positioned on two sides of the steel wires, and the cleaning knives are vertically arranged in rows; the clearance sword is the polygon closure frame body that steel made, polygon closure frame body includes a principal angle, the principal angle sets up towards the direction of keeping away from the steel wire.

Preferably, the cleaning knife is a pentagonal closed frame body, the pentagonal closed frame body comprises a bottom edge, two side edges are arranged at two ends of the bottom edge in parallel, a front edge is arranged at each end of the two side edges, the two front edges intersect to form a main angle, the cleaning knife is obliquely arranged on the strip-shaped bottom plate, an included angle between the cleaning knife and the strip-shaped bottom plate is a, and a is 30-60 degrees.

Preferably, the upper end of the steel wire is higher than the upper end of the cleaning knife.

The construction method of the water supply and drainage device for the deep foundation pit comprises the following steps:

step one, fixing a water collecting cylinder: digging a groove body in a deep foundation pit, placing a water collecting cylinder with a water pump in the groove body, inserting an installation cone at the lower end of the water collecting cylinder into the ground, placing a water supply and outlet pipe on the ground, opening a bidirectional cylinder, and driving power shafts at two sides of the bidirectional cylinder to drive a fixing cone to extend out of a through hole in the water collecting cylinder to be inserted into the side wall of the groove body so as to fix the water collecting cylinder;

step two, installing a cleaning piece: the motor is fixed on the top cover, and the rotating shaft of the motor penetrates through the through hole in the top cover and is fixedly connected with the connecting rod of the cleaning piece, so that the rotating shaft of the motor can drive the cleaning piece to rotate.

Step three, mounting a top cover: the top cover is assembled on the upper end of the water collecting cylinder, so that the cleaning brush is tightly attached to the filter screen.

The invention has the following beneficial effects:

1. according to the water supply and drainage device for the deep foundation pit, the cleaning brush is arranged on the outer side of the filter screen, and the filter screen is cleaned through the cleaning brush, so that the filter screen can be prevented from being blocked.

2. The cleaning brush in the technical scheme of the invention comprises the cleaning knife and the steel wire, hard substances such as stones and the like clamped in the mesh are cleaned by the cleaning knife, and substances such as silt and the like attached to the filter screen are cleaned by the steel wire, so that the cleaning effect is good, and the drainage effect is improved.

3. According to the technical scheme, the water collecting device is provided with the top cover, the top cover is detachably connected with the water collecting barrel, and maintenance and replacement of parts such as a water pump in the water collecting barrel are facilitated.

4. The construction method is simple and convenient to use.

Drawings

FIG. 1 is a schematic structural view of a water supply and drainage device for a deep foundation pit provided by the invention;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic view of the top cover and cleaning element of the present invention;

FIG. 4 is a schematic view of a bi-directional cylinder arrangement of the present invention;

FIG. 5 is a schematic view of a cleaning element of the present invention;

FIG. 6 is a schematic view of a cleaning brush of the present invention;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a schematic view of the clearing blade of the present invention.

In the figure: 1. the water pump cleaning device comprises a deep foundation pit, 21 parts of a water collecting cylinder, 22 parts of an installation cone, 23 parts of a cavity, 24 parts of a bidirectional cylinder, 25 parts of a fixed cone, 31 parts of a filter screen, 32 parts of a motor, 33 parts of a rotating shaft, 34 parts of a cleaning piece, 35 parts of a groove, 36 parts of a cleaning brush, 37 parts of a connecting rod, 38 parts of a cleaning bottom plate, 39 parts of a cleaning knife, 40 parts of a steel wire, 41 parts of a waterproof frame, 42 parts of a water pump, 43 parts of a water inlet pipe, 44 parts of a water outlet pipe, 45 parts of a main angle, 51 parts of a top cover, 52 parts of an annular bulge and 53 parts of an annular groove.

Detailed Description

The technical scheme provided by the invention is further specifically described in the following by combining the drawings and the detailed implementation mode.

Referring to fig. 1-8, a water supply and drainage device for a deep foundation pit comprises a drainage mechanism arranged in the deep foundation pit 1, the drainage mechanism comprises a water collection cylinder 21, an installation cone 22 is arranged at the lower end of the water collection cylinder 21, the installation cone 22 is fixedly welded at the lower end of the water collection cylinder 21, the water collection cylinder 21 is conveniently fixed in the deep foundation pit 1, a cavity 23 is formed in the bottom of the water collection cylinder 21, the three cavities 23 are arranged on the same horizontal plane, two-way cylinders 24 are respectively arranged in the cavity 23, power shafts on two sides of each two-way cylinder 24 are connected with a fixed cone 25, the two-way cylinders 24 can drive the fixed cones 25 on two sides to extend and retract, and the fixed cones 25 can extend out of through holes formed in the side wall of the water collection cylinder 21 and be inserted into the deep foundation pit 1 to fix the water collection cylinder 21.

The water collecting barrel 21 is provided with the top cover 51, the top cover 51 is detachably connected with the water collecting barrel 21, the lower edge of the top cover 51 is provided with the annular protrusion 52, the upper edge of the water collecting barrel 21 is provided with the groove 53, the annular protrusion 52 is clamped in the groove 53, the annular protrusion 52 is provided with the notches at intervals, the annular groove 53 is provided with the convex blocks at intervals, the notches and the convex blocks are arranged correspondingly, the top cover 51 and the water collecting barrel 21 are clamped with the annular groove 53 through the annular protrusion 52 in the radial direction to have a limiting effect, the top cover 51 and the water collecting barrel 21 can be prevented from displacing along the radial direction, the limiting function is realized in the circumferential direction through the clamping of the notches and the convex blocks, and the rotation of the top cover 51 and the water collecting barrel 21 along the circumferential direction can be prevented.

Be equipped with waterproof frame 41 in the water catch bowl 21, waterproof frame 41 is fixed in the water catch bowl 21 bottom, installs water pump 42 in the waterproof frame 41, and waterproof frame 41 wraps up water pump 42 and fully protects it, and the end of intaking of water pump 42 is provided with inlet tube 43, and inlet tube 43 passes waterproof frame 41, and the play water end of water pump 42 is provided with outlet pipe 44, and outlet pipe 44 passes waterproof frame 41 and water catch bowl 21 and extends to ground, conveniently discharges water.

The upper part of the water collecting cylinder 21 is provided with a filter screen 31, the filter screen 31 is arranged on the water collecting cylinder 21 through a steel bar grating, the filter screen 31 surrounds the water collecting cylinder 21 for one circle, and the filter screen 31 and the water collecting cylinder 21 are integrally manufactured. Motor 32 is installed to top cap 51 bottom central point position, through-hole and clearance piece 34 fixed connection on the top cap 51 are stretched out upwards to motor 32's pivot 33, clearance piece 34 includes connecting rod 37 and clearance bottom plate 38, connecting rod 37 level sets up, the vertical both ends that set up at connecting rod 37 of clearance bottom plate 38, connecting rod 37 can be dismantled with the upper end of pivot 33 and be connected, concrete structure is that the pivot 33 upper end is polygonal piece, connecting rod 37 lower terminal surface is equipped with the polygon recess, the polygon piece of pivot 33 upper end and the polygon recess block of connecting rod 37 lower terminal surface, guarantee that pivot 33 rotates and drive clearance bottom plate 38 through connecting rod 37 and rotate.

The inboard of clearance bottom plate 38 is provided with recess 35, is equipped with cleaning brush 36 in the recess, and cleaning brush 36 corresponds the setting of filter screen 31 and hugs closely filter screen 31, and cleaning brush 36 rotates and clears up the outer wall of filter screen 31.

In order to ensure that the cleaning bottom plate 38 does not deform in the working process, the structure is stable, the cleaning effect is good, and the filter screen 31 is not influenced when underground water passes through the cleaning bottom plate 38, in the embodiment, the cleaning bottom plate 38 is four strip-shaped plates and forms a diamond-shaped frame, the cleaning brushes 36 are arranged on the inner sides of the four strip-shaped plates, the diamond-shaped frame is an arc-shaped curved surface, the arc-shaped curved surface of the diamond-shaped frame is consistent with the curved surface of the water collecting cylinder 21, the water collecting cylinder 21 is surrounded by the diamond-shaped frame, and the cleaning brushes 36 on the four strip-shaped plates are tightly attached to the filter screen 31.

Cleaning brush 36 includes clearance sword 39 and steel wire 40, and steel wire 40 sets up perpendicularly in the intermediate position of BAR shaped plate, and clearance sword 39 is located the both sides of steel wire 40, and clearance sword 39 is a plurality of and sets up in a row along vertical.

Preferably, the cleaning blade 39 is a polygonal closed frame made of steel rods or steel plates by bending, and the polygonal closed frame includes a main corner 45, and the main corner 45 is disposed away from the steel wire 40. The cleaning knife 39 of the polygonal closed frame body is not only convenient for scooping and shifting hard objects such as stones clamped in the mesh holes by utilizing the corners and edges of the cleaning knife, but also has little influence on the groundwater entering the filter screen 31.

In an embodiment, the cleaning blade 39 is a pentagonal closed frame, the pentagonal closed frame includes a bottom edge, two sides are arranged at two ends of the bottom edge in parallel, ends of the two sides are respectively provided with a front edge, the two front edges intersect to form a main angle 45, the cleaning blade 39 is obliquely arranged on the strip-shaped bottom plate, and an included angle between the cleaning blade 39 and the strip-shaped bottom plate is α, preferably α is 30-60 °; the cleaning knife 39 of the pentagon closed frame body is fixed on the strip-shaped bottom plate through the bottom edge.

Because mud, large and small stones and the like are mixed in underground water, the mud can be adhered to the filter screen 31, the stones can be clamped and embedded in the meshes of the filter screen 31, the cleaning knife 39 is mainly arranged for cleaning hard objects such as the stones clamped on the filter screen 31, and the steel wire 40 is mainly used for cleaning the mud and the like adhered to the filter screen 31.

The upper end of steel wire 40 is higher than the upper end of clearance sword 39, and the filter screen setting is hugged closely to steel wire 40 to in brushing things such as the mud of adhesion on filter screen 31, leave the clearance between clearance sword 39 and the filter screen 31, so as to avoid clearance sword 39 to cause the damage to filter screen 31, thereby also be convenient for stir the stereoplasm thing of going into the mesh simultaneously and clear up.

first, fixing the water collecting cylinder 21: digging a groove body in the deep foundation pit 1, placing a water collecting cylinder 21 provided with a water pump 42 in the groove body, inserting an installation cone 22 at the lower end of the water collecting cylinder 21 into the ground, placing a water supply and outlet pipe 44 on the ground, opening a bidirectional cylinder 24, and driving a power shaft of the bidirectional cylinder 24 to drive a fixing cone 25 to extend out of a through hole on the water collecting cylinder 21 to be inserted into the side wall of the groove body so as to fix the position of the water collecting cylinder 21;

second, installation of cleaning elements 34: the motor 32 is fixed on the top cover 51, and the rotating shaft of the motor 51 passes through the through hole on the top cover 51 and is fixedly connected with the connecting rod 37 of the cleaning piece 34, so that the rotating shaft of the motor 32 can drive the cleaning piece 34 to rotate.

Third, mounting the top cover 51: the top cover 51 is fitted to the upper end of the water collecting tub 21 so that the cleaning brush 36 is closely attached to the screen 31.

The groundwater enters the water collecting cylinder 21 through the filter screen, the water pump 42 is turned on, the water in the water collecting cylinder 21 is sucked out through the water inlet pipe 43, and the water is introduced to the ground through the water outlet pipe 44.

When the filter screen 31 needs to be cleaned, the motor 32 is turned on, the motor 32 drives the cleaning piece 34 on the rotating shaft 33 to rotate, the cleaning brush 36 rotates around the outer wall of the filter screen 31, the cleaning knife 40 cleans particles such as stones blocked in the meshes of the filter screen 31, the steel wire 39 cleans mud and other substances adhered to the filter screen, the filter screen 31 is effectively prevented from being blocked, and water is guaranteed to stably enter the water collecting cylinder 21 through the filter screen 31.

When the water pump 42 needs to be repaired and replaced, the top cover 51 is lifted up until the annular protrusion 52 on the top cover 51 is disengaged from the annular groove 53 in the water collecting cylinder 21, so that the cleaning member 34 is separated from the water collecting cylinder 21, and the water pump 42 can be repaired and replaced.

According to the water supply and drainage device for the deep foundation pit, the cleaning brush is arranged on the outer side of the filter screen, and the filter screen is cleaned through the cleaning brush, so that the filter screen can be prevented from being blocked.

The cleaning brush in the technical scheme of the invention comprises the cleaning knife and the steel wire, hard substances such as stones and the like clamped in the mesh are cleaned by the cleaning knife, and substances such as silt and the like attached to the filter screen are cleaned by the steel wire, so that the cleaning effect is good, and the drainage effect is improved.

According to the technical scheme, the water collecting device is provided with the top cover, the top cover is detachably connected with the water collecting barrel, and maintenance and replacement of parts such as a water pump in the water collecting barrel are facilitated.

The invention has simple construction method and convenient use.

Claims

1. The utility model provides a plumbing installation for deep basal pit which characterized in that: including setting up the drainage mechanism in deep basal pit (1), drainage mechanism includes water drum (21), the upper portion of water drum (21) is equipped with filter screen (31), water drum (21) upper end is provided with top cap (51), install motor (32) on top cap (51), pivot (33) fixedly connected with clearance piece (34) of motor (32), clearance piece (34) are including connecting rod (37) and clearance bottom plate (38), connecting rod (37) are connected with pivot (33), clearance bottom plate (38) set up at the both ends of connecting rod (37), and clearance bottom plate (38) inboard is provided with clearance brush (36), clearance brush (36) correspond filter screen (31) and set up and hug closely filter screen (31) outer wall.

2. A water supply and drainage device for a deep foundation pit according to claim 1, wherein: be equipped with waterproof frame (41) in water catch bowl (21), install water pump (42) in waterproof frame (41), the end of intaking of water pump (42) is provided with inlet tube (43), and inlet tube (43) pass waterproof frame (41) and set up, the play water end of water pump (42) is provided with outlet pipe (44), and outlet pipe (44) pass waterproof frame (41) and water catch bowl (21) and stretch out ground.

3. A water supply and drainage device for a deep foundation pit according to claim 1, wherein: the lower extreme of water collecting drum (21) is provided with installation awl (22), cavity (23) have been seted up to the bottom of water collecting drum (21), install two-way cylinder (24) in cavity (23), the both sides power shaft of two-way cylinder (24) is connected with fixed awl (25) respectively, and cavity (23) both sides are equipped with the through-hole that corresponds with fixed awl (25).

4. A water supply and drainage device for a deep foundation pit according to claim 1, wherein: the top cap (51) can be dismantled with water collection cylinder (21) and be connected, the lower edge of top cap (51) is equipped with annular arch (52), and the water collection cylinder is gone up along being equipped with annular groove (53), and annular arch (52) and annular groove (53) block, and the interval is equipped with the opening on annular arch (52), and the interval is equipped with the lug on annular groove (53), the opening corresponds the setting with the lug.

5. A water supply and drainage device for a deep foundation pit according to claim 1, wherein: the cleaning bottom plate (38) is four strip-shaped plates, the four strip-shaped plates form a diamond-shaped frame, the diamond-shaped frame is an arc-shaped curved surface and is matched with the water collecting cylinder (21), and cleaning brushes (36) are arranged on the inner sides of the four strip-shaped plates.

6. A water supply and drainage device for deep foundation pit according to claim 5, wherein: the cleaning brush (36) comprises a plurality of cleaning knives (39) and steel wires (40), the steel wires (40) are vertically arranged in the middle of the strip-shaped plate, the cleaning knives (30) are located on two sides of the steel wires (40), and the cleaning knives (30) are vertically arranged in rows; the cleaning knife (30) is a polygonal closed frame made of steel, the polygonal closed frame comprises a main angle (45), and the main angle (45) is arranged towards the direction far away from the steel wire (40).

7. A water supply and drainage device for a deep foundation pit as claimed in claim 6, wherein: the cleaning knife (30) is a pentagonal closed frame body, the pentagonal closed frame body comprises a bottom edge, two sides are arranged at two ends of the bottom edge in parallel, a front edge is arranged at the end part of each side edge, the two front edges are intersected to form a main angle, the cleaning knife (30) is obliquely arranged on the strip-shaped bottom plate, and the included angle between the cleaning knife (30) and the strip-shaped bottom plate is 30-60 degrees.

8. A water supply and drainage device for a deep foundation pit as claimed in claim 6, wherein: the upper end of the steel wire (40) is higher than the upper end of the cleaning knife (30).

9. A construction method of a water supply and drainage device for a deep foundation pit according to any one of claims 1 to 8, wherein:

first step, fixing the water collecting cylinder (21): digging a groove body in a deep foundation pit (1), placing a water collecting cylinder (21) internally provided with a water pump (42) in the groove body, inserting an installation cone (22) at the lower end of the water collecting cylinder (21) into the ground, placing a water supply and outlet pipe (44) on the ground, opening a bidirectional cylinder (24), driving a power shaft of the bidirectional cylinder (24) to drive a fixing cone (25) to extend out of a through hole in the water collecting cylinder (21) and insert into the side wall of the groove body, and fixing the position of the water collecting cylinder (21);

second, installing a cleaning piece (34): fix motor (32) on top cap (51), pass through the through-hole on top cap (51) with the pivot of motor (51) and be connected with connecting rod (37) of clearance piece (34), make motor (32) pivot can drive clearance piece (34) and rotate.

Thirdly, mounting a top cover (51): a top cover (51) is assembled on the upper end of the water collecting cylinder (21) to ensure that the cleaning brush (36) is tightly attached to the filter screen (31).