CN114561955B

CN114561955B - Drainage structure for building foundation pit

Info

Publication number: CN114561955B
Application number: CN202210228571.5A
Authority: CN
Inventors: 黄诗真; 吴林山; 陈雅如; 黄全荣; 林泽松
Original assignee: Fujian Caiding Construction Co ltd
Current assignee: Fujian Caiding Construction Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2023-07-25
Anticipated expiration: 2042-03-08
Also published as: CN114561955A

Abstract

The application discloses drainage structure for building foundation pit relates to the technical field of building foundation pit, including the base, set up the isolation section of thick bamboo on the base, rotate the rotation section of thick bamboo that sets up on the base and set up the pumping piece in rotating the section of thick bamboo, isolation section of thick bamboo and rotation section of thick bamboo coaxial setting and rotation section of thick bamboo are located the isolation section of thick bamboo inner chamber, thereby there is the clearance between isolation section of thick bamboo inner wall and the rotation section of thick bamboo outer wall and constitutes the cavity of stepping down, isolation section of thick bamboo upper end is provided with the drive assembly who is used for driving rotation section of thick bamboo pivoted; the side wall of the lower end of the isolation cylinder is provided with a plurality of first holes, the side wall of the lower end of the rotating cylinder is provided with a plurality of second holes, sliding cylinders with hollow interiors are arranged in the second holes in a sliding way, the sliding cylinder is communicated with the inner cavity of the rotating cylinder and the yielding cavity, the collecting ring is arranged in the yielding cavity in a vertical sliding mode, and a power assembly for driving the collecting ring to move up and down is arranged at the upper end of the isolating cylinder. This application can reduce the piece of drawing water and be stopped up, improves life.

Description

Drainage structure for building foundation pit

Technical Field

The application relates to the technical field of building foundation pits, in particular to a drainage structure for a building foundation pit.

Background

At present, in the building construction process, the foundation is generally constructed first, and a foundation pit with a certain depth is required to be excavated in the foundation construction process. In the excavation process of the foundation pit, the groundwater level of some areas is higher than the excavation bottom surface, so that the condition that the groundwater flows into the foundation pit exists, and foundation pit drainage is needed in the foundation pit construction process.

The foundation pit drainage is usually to excavate open trenches in the foundation pit, then excavate a water collecting well, rainwater, underground water and the like flow into the open trenches and then flow into the water collecting well, a water pump is arranged in the water collecting well, and water in the water collecting well is discharged through the water pump.

The water in the water collecting well usually contains more solid particulate matters such as sediment, and the sediment can easily block the water pump in the working process of the water pump, so that the service life and the drainage efficiency of the water pump are influenced.

Disclosure of Invention

In order to reduce the condition that the water pump is stopped up, this application provides a drainage structure for building foundation ditch.

The application provides a drainage structures for building foundation ditch adopts following technical scheme:

the utility model provides a drainage structure for building foundation pit, includes the base, sets up the isolation section of thick bamboo on the base, rotates the rotation section of thick bamboo that sets up on the base and sets up the piece that draws water in the rotation section of thick bamboo, isolation section of thick bamboo and rotation section of thick bamboo coaxial setting and rotation section of thick bamboo are located the isolation section of thick bamboo inner chamber, thereby there is the clearance between isolation section of thick bamboo inner wall and the rotation section of thick bamboo outer wall and constitutes the chamber of stepping down, isolation section of thick bamboo upper end is provided with the drive assembly who is used for driving rotation section of thick bamboo rotation; the lower end side wall of the isolation cylinder is provided with a plurality of first holes, the lower end side wall of the rotation cylinder is provided with a plurality of second holes, the second holes are internally provided with sliding cylinders with hollow interiors in a sliding manner, the sliding cylinders are communicated with an inner cavity of the rotation cylinder and a yielding cavity, the yielding cavity is internally provided with a collecting ring in a vertical sliding manner, the collecting ring and the rotation cylinder are coaxially arranged, and the upper end of the isolation cylinder is provided with a power assembly for driving the collecting ring to move up and down; the outer wall of the isolation cylinder rotates to be provided with a sealing cylinder, a hollow groove is formed in the side wall of the lower end of the sealing cylinder, and the hollow groove can be overlapped with the first hole.

By adopting the technical scheme, water in the foundation pit can enter the rotary cylinder through the first hole and the second hole, the isolation cylinder intercepts most of particulate matters, so that the influence of particulate garbage on blockage and the like caused by pumping parts is reduced, part of fine particles in the water entering the yielding cavity can be precipitated and are precipitated on the collecting ring, the collecting ring is driven to move upwards by the power assembly, and sediment precipitated in the yielding cavity can be conveyed upwards to the upper end position of the yielding cavity for cleaning; the outer wall of the isolation cylinder rotates to be provided with the sealing cover cylinder, when the hollow groove and the first hole are overlapped, water can enter the yielding cavity through the first hole, after the hollow groove and the first hole are closed, the sealing cover cylinder is rotated, water in the rotation cylinder can flow into the yielding cavity when the collecting ring moves upwards, so that the sliding cylinder can be flushed by water when being blocked, dredging is performed, the sliding cylinder slides in the second hole, the driving force of the outward movement of the sliding cylinder can be provided when the sliding cylinder rotates, and accordingly plugs in the sliding cylinder can be better thrown out, and the possibility that the sliding cylinder is blocked is reduced.

Optionally, the second hole is close to the one end inner wall in the rotary cylinder and is provided with the bulge loop, the outer wall of sliding cylinder is provided with the butt ring, the outer wall cover of sliding cylinder is equipped with the spring, the one end of spring is connected in the bulge loop, the other end of spring is connected in the butt ring, the tip that the spring can drive sliding cylinder has the part that extends the rotary cylinder outer wall.

Through adopting above-mentioned technical scheme, when collecting ring upward movement, can impress the slip section of thick bamboo in the second hole, collect ring and slip section of thick bamboo and break away from the contact back, the slip section of thick bamboo can pop out under the effect of spring to more help the silt in the slip section of thick bamboo to fall to the cavity of stepping down.

Optionally, the side wall of collecting ring upper end towards the one side of rotating cylinder and collecting ring towards the one side of isolating cylinder all are provided with the butt strip, the butt strip cross-section is semicircle structure.

Through adopting above-mentioned technical scheme, the butt strip is semicircle structure, better pushes into the second hole with the slip section of thick bamboo to improve the butt strip and keep apart the tight effect of butt between section of thick bamboo inner wall and the outer wall of rotating the section of thick bamboo, improve the leakproofness.

Optionally, the isolation section of thick bamboo upper end is provided with the backup pad, power pack is including setting up the screw rod on collecting the ring, the vertical upwards extension of screw rod, rotate in the backup pad and be provided with the power section of thick bamboo, screw rod threaded connection is in the power section of thick bamboo, be provided with in the backup pad and be used for driving the pivoted first component of power section of thick bamboo, still be provided with between isolation section of thick bamboo and the collecting the ring and be used for restricting collecting the ring pivoted guide.

Through adopting above-mentioned technical scheme, through first element drive power section of thick bamboo rotation, can drive the upward movement of collecting ring to realize collecting ring's up-and-down motion.

Optionally, the first element includes coaxial first worm wheel that sets up in power section of thick bamboo outer wall, rotate in the backup pad and be provided with first worm and be used for driving first worm pivoted first motor, first worm meshes with first worm wheel mutually.

Through adopting above-mentioned technical scheme, first worm rotates and can drive first worm wheel and rotate to realize the rotation of power section of thick bamboo.

Optionally, the backup pad evenly is provided with a plurality of along the circumference of keeping apart a section of thick bamboo, drive assembly includes coaxial setting in the second worm wheel of rotating a section of thick bamboo upper end lateral wall, rotates the second worm that sets up in the backup pad and is used for driving second worm pivoted second motor, second worm and second worm wheel mesh mutually.

By adopting the technical scheme, the second worm is meshed with the second worm wheel, and the second worm can rotate to drive the rotating cylinder to rotate.

Optionally, a collecting groove is formed in the upper surface of the collecting ring, and the lower end of the screw is connected to the inner bottom surface of the collecting groove.

By adopting the technical scheme, sediment can be precipitated in the collecting tank, and the collecting ring is convenient to clean after moving upwards.

Optionally, the guide piece includes the guide bar that sets up in the collecting vat inner bottom surface, the guide bar is vertical to be set up and slide and pass the backup pad.

By adopting the technical scheme, the collecting ring moves up and down more stably under the action of the guide rod.

In summary, the present application includes at least one of the following beneficial effects:

1. under the interception effect of the isolation cylinder, the water pumping piece can be protected, the blockage of the water pumping piece caused by large particles is reduced, and the service life is prolonged;

2. the collecting ring can move up and down, so that sediment deposited in the yielding cavity can be conveyed to the upper end opening of the yielding cavity by driving the collecting ring to move up, and cleaning is convenient.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a cartridge in an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of a rotary drum according to an embodiment of the present application;

FIG. 4 is a schematic view of a collection ring in an embodiment of the present application;

fig. 5 is an enlarged schematic view of the structure at a in fig. 3.

Reference numerals illustrate: 1. a base; 2. an isolation cylinder; 3. a rotating cylinder; 4. a water pumping member; 5. a relief cavity; 6. a drive assembly; 61. a second worm; 62. a second worm wheel; 63. a second motor; 7. a first hole; 8. a second hole; 9. a sliding cylinder; 10. a collection ring; 11. a power assembly; 111. a screw; 112. a power cylinder; 113. a first element; 1131. a first worm wheel; 1132. a first worm; 1133. a first motor; 12. a capping barrel; 13. a hollow groove; 14. a convex ring; 15. an abutment ring; 16. a spring; 17. an abutment bar; 18. a support plate; 19. a guide member; 20. a collection tank; 21. a step edge.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a drainage structure for building foundation pit. Referring to fig. 1 and 2, the drainage structure includes a base 1 mounted on the bottom surface of a foundation pit, and the base 1 may be fixed to the bottom surface of the foundation pit by means of expansion bolts or the like. The upper surface of the base 1 is also vertically provided with an isolation cylinder 2 and a rotating cylinder 3, and the isolation cylinder 2 and the rotating cylinder 3 are of cylindrical structures. The isolation cylinder 2 is fixed on the upper surface of the base 1, the rotating cylinder 3 is rotationally connected to the upper surface of the base 1 through a bearing and the like, the isolation cylinder 2 and the rotating cylinder 3 are coaxially arranged, and the rotating cylinder 3 is located in the inner cavity of the isolation cylinder 2. The inner diameter of the isolation cylinder 2 is larger than the outer diameter of the rotary cylinder 3, so that a gap exists between the isolation cylinder 2 and the rotary cylinder 3 to form a yielding cavity 5.

Referring to fig. 2 and 3, a plurality of first holes 7 are provided in the lower side wall of the isolation cylinder 2, the first holes 7 are uniformly provided along the circumferential direction of the isolation cylinder 2, and a plurality of second holes 8 are uniformly provided in the lower side wall of the rotary cylinder 3. Still be provided with in the rotary drum 3 and draw water the piece 4, draw water the piece 4 and be the water pump, the water pump can directly be placed in rotary drum 3, and the water in the foundation ditch gets into the chamber of stepping down 5 through first hole 7, and rethread second hole 8 enters into in the rotary drum 3, draws through the water pump. The aperture of the first hole 7 is smaller than that of the second hole 8, so that most of the granular sediment can be intercepted by the isolating cylinder 2.

Referring to fig. 1 and 2, a collecting ring 10 is arranged in the yielding cavity 5, the collecting ring 10 is coaxially arranged on the outer wall of the rotating cylinder 3, and a power assembly 11 for driving the collecting ring 10 to move up and down is further arranged at the upper end of the isolating cylinder 2. The collecting ring 10 is positioned at the bottom of the yielding cavity 5 at ordinary times, and sediment in water in the yielding cavity 5 can be deposited on the upper surface of the collecting ring 10. After the collecting ring 10 is driven to move upwards by the power assembly 11, sediment deposited in the yielding cavity 5 can be conveyed to an upper end opening of the yielding cavity 5 for cleaning.

Referring to fig. 4, the collecting ring 10 is provided with a collecting groove 20 at an upper end surface thereof to further facilitate the collection of silt.

Referring to fig. 2 and 3, a step edge 21 is integrally formed on the inner wall of the lower end of the rotary cylinder 3, and the second hole 8 is formed on the step edge 21. That is, the thickness of the lower end of the rotating cylinder 3 is greater than the thickness of the upper end of the rotating cylinder 3. Each second hole 8 is internally provided with a sliding cylinder 9 in a sliding manner, and the sliding cylinders 9 are of hollow structures in the inner parts, so that the sliding cylinders 9 are communicated with the abdication cavity 5 and the inner cavity of the rotating cylinder 3, and water can enter the rotating cylinder 3 through the sliding cylinders 9.

Referring to fig. 3 and 4, a convex ring 14 is fixed on the inner wall of the second hole 8 near one end of the inner wall of the rotary cylinder 3, an abutment ring 15 is fixed on the outer wall of the sliding cylinder 9, and a spring 16 is also mounted on the outer wall of the sliding cylinder 9. One end of the spring 16 is fixedly connected to the convex ring 14, the other end of the spring 16 is fixedly connected to the abutting ring 15, when the spring 16 is in a natural state, one end of the sliding cylinder 9 has a part exceeding the surface of the rotating cylinder 3, and when the sliding cylinder 9 slides into the second hole 8, the spring 16 is in a compressed state. The collecting ring 10 can abut against the end of the sliding cylinder 9 when moving upwards so that the sliding cylinder 9 is compressed in the second hole 8. When the collecting ring 10 and the sliding cylinder 9 are out of contact, the sliding cylinder 9 can be driven to pop up under the action of the elastic force of the spring 16, so that the sediment in the sliding cylinder 9 can be vibrated to fall out.

Referring to fig. 4 and 5, the upper end side wall of the collecting ring 10 is coaxially fixed with an abutment bar 17 on both the side facing the rotating cylinder 3 and the side facing the isolating cylinder 2, and the cross section of the abutment bar 17 is in a semicircular structure, so that the collecting ring 10 is easier to compress the sliding cylinder 9 in the second hole 8 during the up-and-down movement. And the abutting strip 17 can abut on the inner wall of the isolation cylinder 2 and the outer wall of the rotation cylinder 3, so that a certain amount of water can be accumulated by the abutting strip 17 and the inner wall of the isolation cylinder 2 and the included angle formed between the abutting strip 17 and the outer wall of the rotation cylinder 3, and the tightness between the collecting ring 10 and the inner wall of the rotation cylinder 3 is improved. Further, the second hole 8 is inclined downwards towards the bottom of the yielding cavity 5, so that the sliding cylinder 9 is also inclined, and sediment in the sliding cylinder 9 is facilitated to fall out.

Referring to fig. 1 and 2, a driving assembly 6 for driving the rotating cylinder 3 to rotate is installed at the upper end of the isolation cylinder 2, and when the collecting ring 10 moves upward, the driving assembly 6 drives the rotating cylinder 3 to rotate, so that the abutment bar 17 pushes the sliding cylinder 9 into the second hole 8 more easily. The upper end of the isolation cylinder 2 is fixed with a support plate 18, and the support plate 18 is uniformly provided with a plurality of support plates along the circumferential direction of the isolation cylinder 2. One end of the support plate 18 away from the isolation cylinder 2 can be abutted against the inner wall of the foundation pit, so that the stability of the whole drainage structure after being placed in the foundation pit is improved. The driving unit 6 includes a second worm wheel 62 coaxially fixed to the outer wall of the rotating cylinder 3, a second worm 61 rotatably coupled to the support plate 18, and a second motor 63 for driving the second worm 61 to rotate, the second worm wheel 62 being engaged with the second worm 61. Bearing blocks are mounted on the upper surfaces of the two opposite support plates 18, and the second worm 61 is rotatably mounted through the bearing blocks. The second worm 61 is connected with the second motor 63, and the second motor 63 drives the second worm 61 to rotate, so that the second worm wheel 62 can be driven to rotate, thereby driving the rotating cylinder 3 to rotate.

Referring to fig. 1 and 2, the power assembly 11 includes a screw 111 fixed on the collecting ring 10, the screw 111 is vertically disposed and fixed on the bottom surface of the collecting tank 20, a power cylinder 112 is rotatably mounted on one of the support plates 18, the power cylinder 112 is of a hollow structure, the screw 111 is disposed in the power cylinder 112, and the screw 111 is in threaded connection with the power cylinder 112. The power cylinder 112 may be rotatably coupled to the support plate 18 by means of bearings or the like. The support plate 18 is also provided with a first element 113 for driving the power cylinder 112 to rotate, the first element 113 comprises a first worm gear 1131 coaxially fixed on the outer wall of the power cylinder 112, and a first worm 1132 rotatably connected to the support plate 18 through a bearing seat, and the first worm 1132 is meshed with the first worm gear 1131. The support plate 18 is further provided with a first motor 1133 connected to the first worm 1132 and configured to drive the first worm 1132 to rotate. The first motor 1133 drives the first worm 1132 to rotate, thereby driving the power cylinder 112 to rotate.

Further, in order to improve the stability of the movement of the collecting ring 10, a guide 19 is installed between the collecting rings 10 on the isolation cylinder 2. The guide 19 is a guide rod fixed to the bottom surface of the collecting tank 20, which extends vertically upward and slides through the support plate 18, thereby improving the stability of the movement of the collecting ring 10.

Referring to fig. 1, a cover cylinder 12 is rotatably provided on a side wall of the isolation cylinder 2, and the cover cylinder 12 is rotatably provided on an outer wall of the isolation cylinder 2 by means of a bearing or the like. The side wall of the capping barrel 12 is provided with a plurality of hollowed-out grooves 13, and the hollowed-out grooves 13 extend along the axis direction parallel to the capping barrel 12. Rotating the capping barrel 12 can enable the hollowed-out grooves 13 and the first holes 7 to coincide in one-to-one correspondence, and continuing to rotate the capping barrel 12 can enable the hollowed-out grooves 13 and the first holes 7 to be staggered, so that the first holes 7 are sealed. The cross section of the hollow groove 13 is in a necking structure, namely, the direction of the opening close to the isolation cylinder 2 is gradually reduced, so that sediment on the surface of the isolation cylinder 2 can be scraped when the cover cylinder 12 rotates.

The implementation principle of the drainage structure for the building foundation pit of the embodiment of the application is as follows: when pumping water, water sequentially passes through the first hole 7 and the second hole 8 to enter the rotary cylinder 3, and is pumped away by the water pump, and when cleaning is needed, the rotary cover cylinder 12 enables the first hole 7 to be covered, and sediment in the collecting tank 20 can be cleaned by driving the collecting ring 10 to move upwards.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a drainage structures for building foundation ditch which characterized in that: the automatic transmission device comprises a base (1), an isolation cylinder (2) arranged on the base (1), a rotary cylinder (3) arranged on the base (1) in a rotating way and a water pumping piece (4) arranged in the rotary cylinder (3), wherein the isolation cylinder (2) and the rotary cylinder (3) are coaxially arranged, the rotary cylinder (3) is positioned in an inner cavity of the isolation cylinder (2), a gap exists between the inner wall of the isolation cylinder (2) and the outer wall of the rotary cylinder (3) to form a yielding cavity (5), and a driving assembly (6) for driving the rotary cylinder (3) to rotate is arranged at the upper end of the isolation cylinder (2) and the upper end of the rotary cylinder (3); the utility model discloses a novel isolation device, including isolating section of thick bamboo (2), including rotatory section of thick bamboo (3), isolating section of thick bamboo (2), rotary section of thick bamboo (3), rotary section of thick bamboo (2), isolating section of thick bamboo (2) lower extreme lateral wall is provided with a plurality of first holes (7), all slide in second holes (8) and be provided with inside hollow slip section of thick bamboo (9), slip section of thick bamboo (9) intercommunication rotary section of thick bamboo (3) inner chamber and cavity (5) of stepping down, slide in cavity (5) of stepping down and be provided with collecting ring (10), collecting ring (10) and rotary section of thick bamboo (3) coaxial setting, isolating section of thick bamboo (2) upper end is provided with power pack (11) that are used for driving collecting ring (10) up-and-down motion; the outer wall of the isolation cylinder (2) is rotatably provided with a cover cylinder (12), a hollow groove (13) is formed in the side wall of the lower end of the cover cylinder (12), and the hollow groove (13) can be overlapped with the first hole (7).

2. The drainage structure for a building foundation pit according to claim 1, wherein: the second hole (8) is close to one end inner wall in the rotary cylinder (3) and is provided with bulge loop (14), the outer wall of the sliding cylinder (9) is provided with butt ring (15), the outer wall cover of the sliding cylinder (9) is equipped with spring (16), one end of spring (16) is connected in bulge loop (14), the other end of spring (16) is connected in butt ring (15), the tip that spring (16) can drive sliding cylinder (9) has the part that extends rotary cylinder (3) outer wall.

3. The drainage structure for a building foundation pit according to claim 2, wherein: the side wall of the upper end of the collecting ring (10) faces the rotating cylinder (3) and the side of the collecting ring (10) faces the isolating cylinder (2) are respectively provided with an abutting strip (17), and the section of each abutting strip (17) is of a semicircular structure.

4. A drainage structure for a construction pit according to claim 3, wherein: the utility model discloses a collection ring (10) is provided with a power section of thick bamboo (18), keep apart section of thick bamboo (2) upper end is provided with backup pad (18), power pack (11) are including setting up screw rod (111) on collecting ring (10), screw rod (111) vertical upwards extend, rotate on backup pad (18) and be provided with power section of thick bamboo (112), screw rod (111) threaded connection is in power section of thick bamboo (112), be provided with on backup pad (18) and be used for driving power section of thick bamboo (112) pivoted first component (113), still be provided with between isolation section of thick bamboo (2) and collecting ring (10) and be used for restricting collecting ring (10) pivoted guide (19).

5. The drainage structure for a building foundation pit according to claim 4, wherein: the first element (113) comprises a first worm wheel (1131) coaxially arranged on the outer wall of the power cylinder (112), a first worm (1132) and a first motor (1133) for driving the first worm (1132) to rotate are rotatably arranged on the supporting plate (18), and the first worm (1132) is meshed with the first worm wheel (1131).

6. The drainage structure for a building foundation pit according to claim 4, wherein: the support plate (18) is uniformly provided with a plurality of drive assemblies (6) along the circumference of the isolation cylinder (2), each drive assembly comprises a second worm wheel (62) coaxially arranged on the side wall of the upper end of the rotation cylinder (3), a second worm (61) rotatably arranged on the support plate (18) and a second motor (63) for driving the second worm (61) to rotate, and the second worm (61) and the second worm wheel (62) are meshed.

7. The drainage structure for a construction pit according to claim 6, wherein: the collecting ring (10) is provided with a collecting groove (20) on the upper surface, and the lower end of the screw rod (111) is connected to the inner bottom surface of the collecting groove (20).

8. The drainage structure for a construction pit according to claim 7, wherein: the guide piece (19) comprises a guide rod arranged on the inner bottom surface of the collecting groove (20), and the guide rod is vertically arranged and slidably penetrates through the supporting plate (18).