阅读说明：本技术 一种建筑基坑的排水结构 (Drainage structures of building foundation ditch ) 是由 林明 于 2021-09-30 设计创作，主要内容包括：本申请公开了一种建筑基坑的排水结构,涉及建筑基坑排水技术领域,改善了集水井内壁发生坍塌倒是抽水管堵塞的问题,其包括用于支护集水井侧壁的支护机构；所述支护机构包括用于支撑集水井侧壁的支护框,所述支护框呈矩形框状结构包括四个矩形分布的立柱以及连接于相邻立柱之间的支护板。本申请能够对集水井的侧壁进行支护,使得在抽水过程中的抽水管不容易发生堵塞。(The application discloses a drainage structure of a building foundation pit, which relates to the technical field of drainage of the building foundation pit and solves the problem that a water pumping pipe is blocked when the inner wall of a water collecting well collapses; the supporting mechanism comprises a supporting frame for supporting the side wall of the water collecting well, and the supporting frame is of a rectangular frame-shaped structure and comprises four stand columns distributed in a rectangular mode and a supporting plate connected between the adjacent stand columns. This application can be strutted the lateral wall of sump pit for the drinking-water pipe at the in-process of drawing water is difficult to take place to block up.)

1. The utility model provides a drainage structures of building foundation ditch, includes open drain (2) of sump pit (1) and with sump pit (1) intercommunication that offer in the foundation ditch bottom, its characterized in that: the device also comprises a supporting mechanism (3) for supporting the side wall of the water collecting well (1); the supporting mechanism (3) comprises a supporting frame (6) for supporting the side wall of the water collecting well (1), the supporting frame (6) is of a rectangular frame-shaped structure and comprises four upright columns (11) which are distributed in a rectangular mode and supporting plates (8) connected between the adjacent upright columns (11);

the supporting and protecting plate (8) comprises a connecting column (10) parallel to the upright columns (11) and two filter plates (9) rotatably connected with the connecting column (10), and one ends, far away from the connecting column (10), of the two filter plates (9) are respectively rotatably connected with the two adjacent upright columns (11); the supporting frame (6) can be opened outwards to a supporting state abutting against the side wall of the water collecting well (1) and retracted inwards to a containing state separated from the side wall of the water collecting well (1);

the supporting mechanism (3) further comprises an adjusting frame (7) arranged in the middle of the supporting frame (6), the adjusting frame (7) comprises an adjusting rod (14) parallel to the upright post (11) and a base (13) arranged at the bottom of the adjusting rod (14), and two sleeves (15) sliding along the axial direction of the adjusting rod (14) are sleeved on the adjusting rod (14); the middle part of the connecting column (10) is rotatably connected with two supporting rods (17), and one ends of the two supporting rods (17) far away from the connecting column (10) are respectively rotatably connected with the two sleeves (15);

the adjusting frame (7) is also provided with an adjusting component for adjusting the distance between the two sleeves (15) so as to control the supporting frame (6) to be in a supporting state or a containing state.

2. The drainage structure of a construction pit according to claim 1, wherein: the adjusting assembly comprises a bidirectional screw rod (20) and two sliding blocks (21) symmetrically connected to the bidirectional screw rod (20) in a threaded manner, one end, far away from the base (13), of the adjusting rod (14) is provided with an installation groove (22) extending along the axis direction of the adjusting rod (14), and the bidirectional screw rod (20) is rotatably connected into the installation groove (22); when the bidirectional screw rod (20) rotates, the two sliding blocks (21) can move towards the direction close to or away from each other along the axis of the bidirectional screw rod (20) in the mounting groove (22); a through groove (23) communicated with the mounting groove (22) is formed in the peripheral side of the adjusting rod (14), the through groove (23) extends along the axis direction of the adjusting rod (14), and fixing pieces fixedly connected with the two sliding blocks (21) are arranged on the two sleeves (15); the adjusting assembly further comprises a driving piece for driving the bidirectional screw rod (20) to rotate.

3. The drainage structure of a construction pit according to claim 2, wherein: the fixing piece is a fastening bolt (24), a threaded hole (25) for the fastening bolt (24) to be in threaded connection is formed in the peripheral side of the sleeve (15), an insertion groove (26) for the fastening bolt (24) to be inserted is formed in the sliding block (21), and the fastening bolt (24) sequentially penetrates through the threaded hole (25) and the through groove (23) to be inserted into the insertion groove (26).

4. The drainage structure of a construction pit according to claim 1, wherein: the utility model discloses a spliced pole, including spliced pole (10), base (13) and stand, spliced pole (10) bottom is connected with guide bar (18) that extend towards base (13) direction perpendicularly, base (13) are seted up on the lateral wall towards spliced pole (10) and are supplied guide bar (18) sliding connection's guide way (19).

5. The drainage structure of a construction pit according to claim 2, wherein: the driving piece is a driving motor (27) which is arranged at one end, far away from the base (13), of the adjusting rod (14), and an output shaft of the driving motor (27) is coaxially and fixedly connected with the bidirectional screw rod (20).

6. The drainage structure of a construction pit according to claim 2, wherein: be provided with storing chamber (28) in stand (11), storing chamber (28) internalization is flexible to be provided with filter cloth (29), cloth outlet (30) that confession filter cloth (29) stretched out are seted up to the periphery side of stand (11), cloth outlet (30) extend along the length direction of stand (11), the one end and adjacent stand (11) fixed connection that cloth outlet (30) were stretched out in filter cloth (29) make filter cloth (29) cover in the outside of a backplate (8).

7. The drainage structure of a construction pit according to claim 6, wherein: a cloth roller (32) parallel to the connecting column (10) of the upright column (11) is rotatably connected to the storage cavity (28), and the filter cloth (29) is wound on the cloth roller (32); the upright post (11) is also internally provided with a reset piece which always drives the cloth roller (32) to roll the filter cloth (29) so that the filter cloth (29) generates a movement trend towards the inside of the storage cavity (28).

8. The drainage structure of a construction pit according to claim 7, wherein: reset the piece and be clockwork spring (33), the both ends of cloth roller (32) all are provided with pivot (34), cloth roller (32) rotate through pivot (34) and connect in storing chamber (28) length direction's both ends, storing chamber (28) length direction's both ends all are provided with go-between (35) coaxial with the spread groove, clockwork spring (33) suit is on pivot (34) and install in go-between (35), a atress end and pivot (34) fixed connection of clockwork spring (33), another atress end and go-between (35) fixed connection.

Technical Field

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

Background

The drainage of the building foundation pit means that when the foundation pit is excavated, the underground water level is higher than the excavated bottom surface, and the underground water can continuously seep into the pit, so that the foundation pit can be constructed under a dry condition, and the precipitation work for preventing the instability of a side slope and the reduction of the bearing capacity of a foundation is avoided.

Drainage of the building foundation pit generally adopts open drain and a water collecting well to reduce water. The open trench and water collecting well precipitation is generally that a water collecting well is arranged at the bottom of a foundation pit, a water discharging open trench is excavated around the bottom of the foundation pit, so that underground water is gathered into the water collecting well, and then the underground water is pumped out of the foundation pit by a water pump.

With respect to the related art in the above, the inventors consider that: as the underground water is continuously gathered into the water collecting well from the side wall of the water collecting well and the open drainage ditch, the side wall of the water collecting well is easy to collapse, so that a water pumping pipe extending into the water collecting well is blocked by the collapsed soil, and the drainage of the water collecting well is influenced.

Disclosure of Invention

In order to improve the problem that the suction pipe blocks up that collapses takes place to collapse in the sump pit inner wall, this application provides a drainage structures of building foundation ditch.

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

a drainage structure of a building foundation pit comprises a water collecting well arranged at the bottom of the foundation pit, a drainage open trench communicated with the water collecting well and a supporting mechanism used for supporting the side wall of the water collecting well; the supporting mechanism comprises a supporting frame for supporting the side wall of the water collecting well, and the supporting frame is of a rectangular frame-shaped structure and comprises four upright columns which are distributed in a rectangular manner and a supporting plate connected between every two adjacent upright columns;

the support plate comprises a connecting column parallel to the stand columns and two filter plates rotatably connected with the connecting column, and one ends of the two filter plates, which are far away from the connecting column, are respectively rotatably connected with the two adjacent stand columns; the supporting frame can be opened outwards to a supporting state abutting against the side wall of the water collecting well and retracted inwards to a storage state separated from the side wall of the water collecting well;

the supporting mechanism further comprises an adjusting frame arranged in the middle of the supporting frame, the adjusting frame comprises an adjusting rod parallel to the stand column and a base arranged at the bottom of the adjusting rod, and two sleeves sliding along the axis direction of the adjusting rod are sleeved on the adjusting rod; the middle part of the connecting column is rotatably connected with two supporting rods, and one ends of the two supporting rods, which are far away from the connecting column, are respectively and rotatably connected with the two sleeves;

the adjusting frame is further provided with an adjusting component used for adjusting the distance between the two sleeves to control the supporting frame to be in a supporting state or a containing state.

By adopting the technical scheme, the supporting frame is arranged in the water collecting well, the distance between the two sleeves is adjusted through the adjusting assembly, so that the supporting frame is in a supporting state that the supporting plate is abutted against the side wall of the water collecting well, and then the water pumping pipe is placed between the supporting frames to pump water, so that the water pumping pipe is not easy to block; when taking out the supporting frame, adjust the distance between two sleeves through adjusting part for the supporting frame is in the state of accomodating of supporting backplate and sump pit lateral wall separation, can make things convenient for the staff to take out the supporting frame from the sump pit and carry out reuse.

Optionally, the adjusting assembly comprises a bidirectional screw rod and two sliding blocks symmetrically connected to the bidirectional screw rod in a threaded manner, one end of the adjusting rod, which is far away from the base, is provided with an installation groove extending along the axis direction of the adjusting rod, and the bidirectional screw rod is rotatably connected in the installation groove; when the bidirectional screw rod rotates, the two sliding blocks can move towards the direction close to or far away from each other along the axis of the bidirectional screw rod in the mounting groove; a through groove communicated with the mounting groove is formed in the peripheral side of the adjusting rod, the through groove extends along the axis direction of the adjusting rod, and fixing pieces fixedly connected with the two sliding blocks are arranged on the two sleeves respectively; the adjusting assembly further comprises a driving piece for driving the bidirectional lead screw to rotate.

Through adopting above-mentioned technical scheme, when the two-way lead screw of driving piece drive rotated, two sliders can drive two sleeves and move towards the direction that is close to mutually or keeps away from mutually to control the spliced pole and adjust the distance between the pole, realize accomodating or strutting of frame.

Optionally, the fixing member is a fastening bolt, a threaded hole for the fastening bolt to be in threaded connection is formed in the outer peripheral side of the sleeve, an insertion groove for the fastening bolt to be inserted is formed in the slider, and the fastening bolt sequentially penetrates through the threaded hole and the through groove to be inserted into the insertion groove.

Through adopting above-mentioned technical scheme, adopt fastening bolt connecting sleeve and slider, can realize dismantling between sleeve and the slider and be connected that the operation is comparatively convenient.

Optionally, the bottom of the connecting column is vertically connected with a guide rod extending towards the base, and a guide groove for sliding connection of the guide rod is formed in the side wall of the base facing the connecting column.

Through adopting above-mentioned technical scheme, the setting of guide bar and guide way can improve the stability of support frame shrink or strut the in-process.

Optionally, the driving part is a driving motor installed at one end of the adjusting rod far away from the base, and an output shaft of the driving motor is coaxially and fixedly connected with the bidirectional screw rod.

Through adopting above-mentioned technical scheme, adopt driving motor as the driving piece, have the advantage of using manpower sparingly, convenient operation.

Optionally, a storage cavity is arranged in the stand column, the storage cavity is internally and movably and telescopically provided with filter cloth, a cloth outlet for the filter cloth to extend out is formed in the peripheral side of the stand column, the cloth outlet extends along the length direction of the stand column, and one end of the filter cloth extending out of the cloth outlet is fixedly connected with the adjacent stand column, so that the filter cloth covers the outer side of the supporting plate.

By adopting the technical scheme, the filter cloth covers the outer side of the supporting plate, so that the contact between soil and the supporting plate can be prevented, and the supporting plate can be conveniently rotated.

Optionally, a cloth roller parallel to the upright post connecting post is rotatably connected in the storage cavity, and the filter cloth is wound on the cloth roller; still be provided with the piece that resets that drives cloth roller rolling filter cloth all the time in the stand, make the filter cloth produce the interior movement trend of orientation storing chamber.

Through adopting above-mentioned technical scheme, with the filter cloth rolling on the cloth roller to reset through the piece that resets, make the filter cloth be in a comparatively straight state, make on the backplate be difficult to adhesion soil, thereby make things convenient for the rotation of backplate.

Optionally, the piece that resets is clockwork spring, the both ends of cloth roller all are provided with the pivot, the cloth roller rotates through the pivot and connects in storing chamber length direction's both ends, storing chamber length direction's both ends all are provided with the go-between coaxial with the spread groove, clockwork spring suit is in the pivot and install in the go-between, clockwork spring's a stress end and pivot fixed connection, another stress end and go-between fixed connection.

Through adopting above-mentioned technical scheme, adopt clockwork spring as the piece that resets, have simple structure, the stable advantage of atress.

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

1. the side wall of the water collecting well can be supported, so that a water pumping pipe is not easy to block in the water pumping process;

2. through collapsible supporting frame, can make things convenient for the staff to take out supporting frame from the sump pit in.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic structural view of the supporting mechanism of the present embodiment;

FIG. 3 is a schematic view showing a contracted state of the support frame according to the present embodiment;

FIG. 4 is an exploded view of the embodiment embodying the adjustable mount;

FIG. 5 is a schematic sectional view of the present embodiment;

FIG. 6 is an enlarged schematic view at A in FIG. 5 of the present embodiment;

FIG. 7 is a schematic structural view of the embodiment of the column;

fig. 8 is an exploded view of the embodiment embodying the reset member.

Description of reference numerals: 1. a water collecting well; 2. draining the open ditch; 3. a support mechanism; 4. a water pump; 5. a water pumping pipe; 6. a support frame; 7. an adjusting bracket; 8. supporting the guard plate; 9. a filter plate; 10. connecting columns; 11. a column; 12. water permeable holes; 13. a base; 14. adjusting a rod; 15. a sleeve; 16. connecting lugs; 17. a support bar; 18. a guide bar; 19. a guide groove; 20. a bidirectional lead screw; 21. a slider; 22. mounting grooves; 23. a through groove; 24. fastening a bolt; 25. a threaded hole; 26. inserting grooves; 27. a drive motor; 28. a storage chamber; 29. filtering cloth; 30. a cloth outlet; 31. a connecting strip; 32. a cloth roller; 33. a clockwork spring; 34. a rotating shaft; 35. and (7) connecting rings.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses drainage structures of building foundation ditch. Referring to fig. 1 and 2, the drainage structure of the building foundation pit comprises a water collecting well 1 arranged at the bottom of the foundation pit, an open drainage ditch 2 and a supporting mechanism 3, wherein the supporting mechanism 3 is used for supporting the side wall of the water collecting well 1 so as to prevent the side wall of the water collecting well 1 from collapsing, a water pump 4 is installed on the upper edge of the foundation pit, a water pumping pipe 5 is connected to the position of a water pumping hole of the water pump 4, and one end of the water pumping pipe 5 extends into the water collecting well 1 and is used for pumping water in the water collecting well 1.

Referring to fig. 2 and 3, the supporting mechanism 3 includes a supporting frame 6 and an adjusting bracket 7 disposed in the supporting frame 6, the supporting frame 6 is a rectangular frame-shaped structure, and the supporting frame 6 includes a supporting state which is opened outwards and used for supporting four side walls of the water collecting well 1 and a storage state which is retracted inwards and used for being separated from the side walls of the water collecting well 1.

When the supporting frame 6 needs to be taken out of the water collecting well 1 after the drainage of the foundation pit is completed, due to the fact that the side wall portion collapses, certain pressure is easily generated on the supporting frame 6, workers cannot directly take the supporting frame 6 out of the water collecting well 1, at the moment, the supporting frame 6 is switched to a storage state separated from the side wall of the water collecting well 1 through the adjusting frame 7, and the workers can take the supporting frame 6 out of the water collecting well 1 conveniently for recycling.

Referring to fig. 2 and 3, the supporting frame 6 includes four upright columns 11 distributed in a rectangular shape and supporting plates 8 connected between adjacent upright columns 11, and the four supporting plates 8 can support four side walls of the water collecting well 1.

Specifically, referring to fig. 2 and 4, the support and protection plate 8 comprises a connecting column 10 and two filter plates 9 rotatably connected with the connecting column 10, the connecting column 10 is parallel to the stand columns 11, one ends, far away from the connecting column 10, of the two filter plates 9 are respectively rotatably connected with the two adjacent stand columns 11, and water permeable holes 12 are uniformly distributed in the filter plates 9 and used for allowing groundwater to be discharged into the water collecting well 1. And two connecting ends of the filter plate 9 are both provided with a fillet so as to facilitate the rotation of the filter plate 9.

Referring to fig. 4 and 5, the adjusting bracket 7 includes an adjusting rod 14 and a base 13 welded to the bottom of the adjusting rod 14, the adjusting rod 14 is located in the middle of the supporting frame 6, and the adjusting rod 14 is parallel to the connecting column 10. Two sleeves 15 are sleeved on the adjusting rod 14, and the two sleeves 15 can slide up and down along the axial direction of the adjusting rod 14. Two connecting lugs 16 extending along the length direction of the connecting column 10 are arranged in the middle of the connecting column 10 at intervals, two supporting rods 17 are rotatably connected between the two connecting lugs 16, and one ends, far away from the connecting column 10, of the two supporting rods 17 are hinged to the peripheral sides of the two sleeves 15 respectively. The guide rod 18 that the orientation 13 direction of orientation extended is vertically welded in spliced pole 10 bottom, and base 13 is seted up on the lateral wall towards spliced pole 10 and is supplied guide rod 18 sliding connection's guide way 19, and guide rod 18 sliding connection is in guide way 19, stability when multiplicable spliced pole 10 slided. It should be noted that the guide bar 18 is always located in the guide groove 19 during the sliding of the connecting column 10.

Referring to fig. 4 and 5, the adjusting bracket 7 is further provided with an adjusting assembly for adjusting the distance between the two sleeves 15. When the two sleeves 15 move towards the approaching direction, the supporting rod 17 can drive the supporting and protecting plate 8 to be expanded outwards; when the two sleeves 15 move in a direction away from each other, the support rod 17 can drive the support plate 8 to contract in a direction approaching the adjusting rod 14.

Referring to fig. 4 and 5, the adjusting assembly includes a bidirectional screw 20 and two sliding blocks 21 screwed on the bidirectional screw 20, and the two sliding blocks 21 are symmetrically disposed on the bidirectional screw 20. It should be noted here that the left half thread of the bidirectional screw 20 has the opposite thread pattern to the right half thread when the bidirectional screw 20 rotates. The two sliders 21 are movable toward and away from each other.

Specifically, referring to fig. 4 and 5, an installation groove 22 for extending along the axis direction of the adjustment rod 14 is provided at one end of the adjustment rod 14 away from the base 13, the bidirectional screw 20 and the slider 21 are both installed in the installation groove 22, and the bottom of the bidirectional screw 20 is rotatably connected with the bottom of the installation groove 22 through a bearing.

Referring to fig. 5 and 6, the two sleeves 15 are provided with fixing members respectively fixedly connected with the two sliders 21. Specifically, the outer peripheral side of the adjustment lever 14 is provided with a through groove 23 communicating with the mounting groove 22, and the through groove 23 extends along the axial direction of the adjustment lever 14. The fixing part is a fastening bolt 24, the outer side of the sleeve 15 is provided with a threaded hole 25 for the fastening bolt 24 to be in threaded connection, and the sliding block 21 is provided with an insertion groove 26 for the fastening bolt 24 to be inserted. The fastening bolt 24 is screwed into the threaded hole 25 of the sleeve 15 and extends into the through groove 23 to form an insertion connection with the insertion connection groove 26 of the corresponding sliding block 21, so that the sleeve 15 and the sliding block 21 can be fixed, and the sliding block 21 can drive the sleeve 15 to synchronously slide.

Referring to fig. 4 and 5, the adjusting assembly further includes a driving member for driving the bidirectional lead screw 20 to rotate, the driving member includes a driving motor 27 mounted on the top of the adjusting rod 14, and an output shaft of the driving motor 27 is coaxially welded and fixed to the bidirectional lead screw 20. In other embodiments, the driving member may also be a handle welded to the end of the bidirectional screw 20 extending out of the mounting groove 22, and the bidirectional screw 20 is controlled to rotate by manual turning.

Referring to fig. 7 and 8, a storage cavity 28 extending along the length direction of the column 11 is arranged in the column 11, a piston in the storage cavity 28 extends and retracts to form a filter cloth 29, a cloth outlet 30 for the filter cloth 29 to extend out is formed in one side of the column 11, the cloth outlet 30 extends along the length direction of the column 11, a connecting strip 31 is arranged at one end of the filter cloth 29 extending out of the cloth outlet 30, and the connecting strip 31 is fixed on the adjacent column 11 in a welding or bolt connection mode, so that the filter cloth 29 can completely cover the outer side of the supporting plate 8.

Referring to fig. 7 and 8, a cloth roller 32 is rotatably connected in the storage chamber 28, and the filter cloth 29 is wound on the cloth roller 32. The stand column 11 is also internally provided with a reset piece which always drives the cloth roller 32 to roll inwards, so that the filter cloth 29 moves towards the storage cavity 28, and the filter cloth 29 is in a stretched state at the outer side of the support guard plate 8. When the supporting plate 8 contracts inwards, the filter cloth 29 can prevent soil falling from the side wall part of the water collecting well 1 from being mixed at the included angle of the two filter plates 9, so that the supporting plate 8 is convenient to expand and contract. To facilitate the installation of the cloth roller 32, the upright post 11 may be a half-and-half split structure.

Referring to fig. 7 and 8, the two ends of the cloth roller 32 are both provided with a coaxial rotating shaft 34, the two ends of the storage cavity 28 in the length direction are both provided with a connecting groove for the rotating shaft 34 to rotate and connect, and the two ends of the storage cavity 28 in the length direction are both provided with a connecting ring 35 coaxial with the connecting groove. The reset piece is a spring 33 installed in the connecting ring 35, the inner ring of the spring 33 is sleeved on the rotating shaft 34, one stressed end of the spring 33 is fixedly connected with the rotating shaft 34, and the other stressed end of the spring is fixedly connected with the connecting ring 35. The spring 33 can always drive the cloth roller 32 to drive the filter cloth 29 to be wound into the storage cavity 28, so that the filter cloth 29 is in a relatively straight state.

The implementation principle of the drainage structure of the building foundation pit is as follows:

when the foundation pit drains water, the supporting frame 6 is arranged in the water collecting well 1, and the positions of the two sleeves 15 are adjusted, so that the four supporting plates 8 of the supporting frame 6 are in a supporting state abutting against the side wall of the water collecting well 1, the wall of the water collecting well 1 is supported, and at the moment, the water pumping pipe 5 pumping water in the supporting frame 6 is not easy to block;

after the drainage is finished, the driving motor 27 is started to drive the two sleeves 15 to move towards the direction away from each other, so that the four connecting columns 10 move towards the direction close to each other, the supporting plate 8 is separated from the side wall of the water collecting well 1, and the supporting frame 6 can be conveniently taken out from the water collecting well 1 by a worker.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.