CN212926121U

CN212926121U - Deep foundation pit dewatering device

Info

Publication number: CN212926121U
Application number: CN202021425717.8U
Authority: CN
Inventors: 赵鹏飞; 范声维; 余宵; 章睿; 杨勇; 白长征; 余宏斌; 张耀武; 余正
Original assignee: Hubei Zhongnan Geotechnical Engineering Co ltd
Current assignee: Hubei Zhongnan Geotechnical Engineering Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-04-09
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to a deep basal pit precipitation device, it is including setting up the concrete pipe in the foundation ditch, the intraductal immersible pump that is provided with water and takes away of concrete, the bottom of concrete pipe is provided with the strainer, the bottom fixedly connected with filter disc of the infiltration of water infiltration of being convenient for of strainer, the bottom fixedly connected with of concrete pipe with the coaxial fitting ring of concrete pipe, fitting ring opening part periphery wall evenly is provided with two sets of fixed blocks, the top of strainer seted up with the draw-in groove of fixed block adaptation, draw-in groove department be provided with be used for with the locating part of fixed block spacing on vertical direction, be provided with in the week side of strainer and be used for with the fixed setting element of fixed block. This application is through setting up the filter disc and loading the filter material in the strainer bottom the strainer, has the effect of convenient construction.

Description

Deep foundation pit dewatering device

Technical Field

The application relates to the field of foundation pit construction, especially, relate to a deep basal pit dewatering device.

Background

At present, when a foundation pit is excavated, if the underground water level is higher than the excavation bottom surface, underground water can continuously seep into the foundation pit, the soil around the foundation pit absorbs water to become loose or even collapse, and the foundation construction quality is seriously affected, so that the water is treated for the soil around the foundation pit before the foundation pit is excavated, the soil is drier, and the stability of the foundation is improved.

The Chinese patent with the patent publication number of CN102644291B is retrieved at present, and a foundation pit precast concrete pipe immersed tube precipitation structure is disclosed, including a plurality of sections of concrete pipe that overlap and place in the foundation pit, a plurality of layers of rubble layer have been laid to the bottom of concrete pipe, and the top on the rubble layer in the concrete pipe is equipped with the immersible pump and links to each other with the immersible pump and stretches out the drinking-water pipe of foundation pit, still is equipped with the wash pipe that extends the rubble layer top in the concrete pipe.

Aiming at the related technologies, the inventor thinks that before the operation of precipitation, a gravel layer needs to be laid firstly, the whole operation is complicated, and the defect that the labor intensity of workers is increased exists.

SUMMERY OF THE UTILITY MODEL

In order to be fixed in the concrete pipe bottom with the filter house, this application provides a deep basal pit precipitation device.

The application provides a pair of deep basal pit precipitation device adopts following technical scheme:

the utility model provides a deep basal pit dewatering device, is including setting up the concrete pipe in the foundation ditch, the intraductal immersible pump that is provided with water and takes away, the bottom of concrete pipe is provided with the strainer, the bottom fixedly connected with filter element of the infiltration of water of strainer is convenient for, the bottom fixedly connected with of concrete pipe with the coaxial fitting ring of concrete pipe, fitting ring opening periphery wall evenly is provided with two sets of fixed blocks, the top of strainer seted up with the draw-in groove of fixed block adaptation, draw-in groove department be provided with be used for with the locating part of fixed block spacing on vertical direction, be provided with in all sides of strainer and be used for with the fixed setting element of fixed block.

Through adopting above-mentioned technical scheme, the strainer of strainer bottom fixedly connected with water infiltration of being convenient for, the filter material that sets up in the strainer of strainer top of filter disc will be thoughtlessly had the water of silt and filters, prevents the earthwork loss, and the clear water infiltration concrete pipe after the filtration is intraductal and is taken away by the immersible pump. The assembly ring is inserted in the water filter pipe, the fixing block on the assembly ring is matched with the clamping groove on the water filter pipe, the limiting part limits the position of the fixing block in the vertical direction, the fixing block is fixedly connected between the concrete pipe and the water filter pipe, and the positioning part fixes the position of the fixing block, so that the connection between the water filter pipe and the concrete pipe is firmer.

Preferably, the limiting part is a sector groove which is arranged on the inner edge of the clamping groove and communicated with the clamping groove, and the other end of the sector groove is closed.

By adopting the technical scheme, the fixed block is screwed into the fan-shaped groove from the clamping groove, and the fan-shaped groove limits the position of the fixed block in the vertical direction.

Preferably, the thickness of the fixing block is consistent with the size of the fan-shaped groove in the vertical direction.

Through adopting above-mentioned technical scheme, the fixed block is fixed in the ascending position of vertical direction of fixed block in the fan-shaped groove of fixed block screw in for the strainer pipe is firm with the concrete pipe is connected in vertical direction.

Preferably, the side surface of the fixing block facing the water filter pipe is provided with a threaded hole, the wall surface of the water filter pipe is uniformly provided with two insertion holes communicated with the fan-shaped groove, the positioning piece is a bolt inserted in the insertion holes, and the bolt is in threaded connection with the fixing block.

Through adopting above-mentioned technical scheme, after revolving the fixed block to suitable position, insert jack and screw hole with the bolt in proper order again to screw up the bolt in the inserted sheet, the bolt is with the fixed position of inserted sheet in fan-shaped groove. When the bolt is screwed down, the end face of the bolt sinks into the wall surface of the water filter pipe, and the construction and installation of the water filter pipe cannot be influenced.

Preferably, when the fixed block moves to abut against the end face, far away from the clamping groove, of the fan-shaped groove, the axis of the threaded hole and the axis of the jack are located on the same straight line.

Through adopting above-mentioned technical scheme, the fixed block is convenient for aim at screw hole and jack on the fixed block after rotatory to the one end of fan-shaped groove, is convenient for stretch into the bolt with the fixed block location.

Preferably, the outer peripheral wall of the bolt inserted in the jack is wound with a raw adhesive tape.

Through adopting above-mentioned technical scheme, the leakproofness between bolt and the jack has been strengthened to the crude sticky tape, prevents the infiltration.

Preferably, the upper end of the strainer is provided with an annular groove, and a rubber ring is fixedly connected in the annular groove.

Through adopting above-mentioned technical scheme, the rubber circle is fixed in the ring channel, and the rubber circle has better sealing performance.

Preferably, the rubber ring is extruded and deformed when the concrete pipe is fixedly connected with the strainer.

Through adopting above-mentioned technical scheme, after zonulae occludens between concrete pipe and the strainer, the rubber circle is extruded, and the mutual butt of terminal surface of concrete pipe and strainer is also with the terminal surface butt of concrete pipe by the rubber circle of extrusion deformation for sealed between concrete pipe and the strainer, can not seep water.

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

1. the filter pipes and the filter discs which are arranged at the bottom ends of the concrete pipes are used for fixing the positions of filter substances, so that the filter substances are prevented from being lost in the construction process, and the phenomenon that the earthwork near the construction position absorbs too much water and is damaged is avoided;

2. the fixed block on the concrete pipe and the fan-shaped groove looks adaptation on the strainer, the bolt is further fixed the fixed block for be connected between concrete pipe and the strainer is firm, and the rubber circle of junction makes water can not ooze.

Drawings

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

fig. 2 is an exploded schematic view of an embodiment of the present application.

Reference numerals: 1. a concrete pipe; 2. a submersible pump; 3. a water filter pipe; 4. a filter disc; 5. Assembling a ring; 6. a fixed block; 7. a card slot; 8. a sector groove; 9. a threaded hole; 10. a jack; 11. A bolt; 12. an annular groove; 13. a rubber ring.

Detailed Description

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

Referring to fig. 1, the embodiment of the application discloses a deep basal pit precipitation device, including setting up concrete pipe 1 in the foundation ditch, be provided with the immersible pump 2 that takes water away in the concrete pipe 1, the bottom packing of concrete pipe 1 has strainer 3, strainer 3's bottom fixedly connected with filter plate 4, be provided with the filter material that is used for filtering earthwork silt in the strainer 3 on the filter plate 4, near groundwater in foundation ditch gets into strainer 3 through filter plate 4 and filters by filter material again, in the clear water infiltration concrete pipe 1, immersible pump 2 takes away the clear water in the concrete pipe 1 and then has realized the precipitation processing to foundation ditch department.

Referring to fig. 2, in order to realize the fixed connection between the concrete pipe 1 and the strainer 3, the bottom end of the concrete pipe 1 is fixedly connected with an assembling ring 5 inserted with the strainer 3, and the assembling ring 5 is fixedly connected with two symmetrical fixing blocks 6 on the peripheral side wall close to the opening. Two draw-in grooves 7 with 6 looks adaptations of fixed block are seted up on strainer 3's top, draw-in groove 7 department is provided with the locating part, the locating part sets up to follow the sector groove 8 of seting up in the diapire of draw-in groove 7, draw-in groove 7 and sector groove 8 intercommunication, the thickness of fixed block 6 is unanimous with the ascending size of the vertical side in sector groove 8, fixed block 6 follows the collar 5 and moves together and moves along draw-in groove 7, when 6 downstream of fixed block to sector groove 8 positions, drive collar 5 rotates, 6 screw in sector groove 8 of fixed block, fixed block 6 is fixed in the ascending position of vertical side, make strainer 3 and concrete pipe 1 be connected firmly in vertical side.

Referring to fig. 2, for fixing fixed block 6 along 3 ascending positions in circumference of strainer, threaded hole 9 has been seted up on the one side in the strainer 3 outside of fixed block 6 orientation, evenly set up two jack 10 with sector groove 8 intercommunication on the wall of strainer 3, be provided with the setting element on the fixed block 6, the setting element sets up to the bolt 11 of pegging graft in jack 10, bolt 11 threaded connection is in fixed block 6, fixed block 6 moves to when keeping away from the terminal surface butt of draw-in groove 7 with sector groove 8 along sector groove 8 axis of threaded hole 9 and jack 10 are located same straight line, be convenient for align threaded hole 9 and jack 10 on the fixed block 6, insert jack 10 and threaded hole 9 with bolt 11 in proper order, and screw up bolt 11 in the inserted sheet, bolt 11 is with the position fixation of inserted sheet in sector groove 8.

Referring to fig. 2, in order to prevent water from leaking from the joint of the concrete pipe 1 and the water filter pipe 3, a raw adhesive tape is wound on the outer peripheral wall of the bolt 11 inserted into the insertion hole 10, and the raw adhesive tape enhances the tightness between the bolt 11 and the insertion hole 10 to prevent water from leaking. Annular groove 12 has been seted up to the upper end of strainer 3, and fixedly connected with prevents the rubber circle 13 of infiltration in the annular groove 12, can not influence the installation of strainer 3, and when fixed block 6 shifted over into in the sector groove 8, rubber circle 13 was by extrusion deformation, rubber circle 13 and concrete pipe 1's lower terminal surface butt for the unable infiltration of water.

The implementation principle of the embodiment is as follows: firstly, filter materials are arranged in the strainer 3, the fixing block 6 is aligned to the clamping groove 7 and slides in, the strainer 3 is rotated to enable the fixing block 6 to slide into the fan-shaped groove 8 from the clamping groove 7, the fixing block 6 rotates to abut against one end, far away from the clamping groove 7, of the fan-shaped groove 8, the threaded hole 9 in the fixing block 6 is aligned to the jack 10 in the outer peripheral wall of the strainer 3, the bolt 11 penetrates through the jack 10 and is screwed in the threaded hole 9 to fix the insert; at the moment, the raw rubber belt on the bolt 11 seals the jack 10, and the rubber ring 13 on the water filter pipe 3 is extruded and deformed to be abutted against the bottom end of the concrete pipe 1, so that water cannot seep out; water in the earthwork permeates into the water filter pipes 3 through the filter discs 4, the water is filtered by the filter substances, the filtered water permeates into the concrete pipes 1, and the submersible pump 2 pumps the water away, so that the precipitation of the foundation pit is realized.

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.

Claims

1. The utility model provides a deep basal pit dewatering device which characterized in that: comprises a concrete pipe (1) arranged in a foundation pit, a submersible pump (2) for pumping water away is arranged in the concrete pipe (1), the bottom end of the concrete pipe (1) is provided with a water filter pipe (3), the bottom end of the water filter pipe (3) is fixedly connected with a filter disc (4) convenient for water infiltration, the bottom end of the concrete pipe (1) is fixedly connected with an assembling ring (5) which is coaxial with the concrete pipe (1), two groups of fixing blocks (6) are uniformly arranged on the outer peripheral wall of the opening of the assembling ring (5), the top end of the strainer (3) is provided with a clamping groove (7) matched with the fixing block (6), a limiting piece used for limiting the fixing block (6) in the vertical direction is arranged at the clamping groove (7), and positioning pieces for fixing the fixing blocks (6) are arranged on the peripheral sides of the water filtering pipes (3).

2. The deep foundation pit dewatering apparatus of claim 1, wherein: the limiting piece is arranged to be arranged on the inner edge of the clamping groove (7) and a fan-shaped groove (8) communicated with the clamping groove (7), and the other end of the fan-shaped groove (8) is arranged in a closed mode.

3. The deep foundation pit dewatering device of claim 2, wherein: the thickness of the fixed block (6) is consistent with the size of the fan-shaped groove (8) in the vertical direction.

4. The deep foundation pit dewatering device of claim 2, wherein: fixed block (6) orientation threaded hole (9) are seted up to strainer (3) side, the wall of strainer (3) evenly seted up two with jack (10) of sector groove (8) intercommunication, the setting element set up to peg graft in bolt (11) in jack (10), bolt (11) threaded connection in fixed block (6).

5. A deep foundation pit dewatering apparatus as claimed in claim 4, wherein: when the fixed block (6) moves to the end face, far away from the clamping groove (7), of the fan-shaped groove (8), the axis of the threaded hole (9) and the axis of the jack (10) are located on the same straight line.

6. A deep foundation pit dewatering apparatus as claimed in claim 4, wherein: the peripheral wall of the bolt (11) inserted in the jack (10) is wound with a raw adhesive tape.

7. The deep foundation pit dewatering apparatus of claim 1, wherein: an annular groove (12) is formed in the upper end of the strainer (3), and a rubber ring (13) is fixedly connected in the annular groove (12).

8. The deep foundation pit dewatering apparatus of claim 7, wherein: when the concrete pipe (1) is fixedly connected with the water filter pipe (3), the rubber ring (13) is extruded and deformed.