CN214993993U

CN214993993U - Self-filtering foundation pit dewatering pipe well

Info

Publication number: CN214993993U
Application number: CN202121026106.0U
Authority: CN
Inventors: 钱来源; 梅健明; 王茜; 潘豪杰
Original assignee: Suzhou Fifth Construction Group Co ltd
Current assignee: Suzhou Fifth Construction Group Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-12-03
Anticipated expiration: 2031-05-14

Abstract

The application relates to a self-filtering foundation pit downcast pipe well, which comprises a top cover, a silt section pipe, a water seepage section pipe and a bottom cover, wherein the top cover is detachably connected to the upper end of the silt section pipe; the silt section pipe includes that a plurality of can dismantle the unit well casing that links together, the infiltration section pipe includes a plurality of unit filter pipes that can dismantle and link together, the fixed filter unit who is used for filtering solid particle impurity that is provided with on the lateral wall of unit filter pipe. Under different working conditions, the unit well pipe and the unit filter pipe are spliced to form a suitable pipe well as required, and the unit well pipe and the unit filter pipe can be reused. This application has the effect that is suitable for multiple operating mode, practices thrift the cost.

Description

Self-filtering foundation pit dewatering pipe well

Technical Field

The application relates to the field of building construction technology, in particular to a self-filtering foundation pit downcast pipe well.

Background

In the building construction, when the foundation of a building adopts a surface excavation mode, the bottom surface of a foundation pit is often lower than the underground water level, the balance of underground water is damaged due to the drainage of the foundation pit, and under the action of the osmotic pressure of the underground water, the phenomenon of underground water gushing or serious sand flowing often occurs. Under the condition, the excavation construction of the bottom surface of the foundation pit cannot be continued, and the sand and soil on the pit wall can be brought into the pit by underground water, so that the nearby ground collapses, and the bearing capacity of the foundation can be reduced. In order to ensure the engineering quality and the construction safety and ensure that the excavation of the foundation pit and the foundation construction are always carried out in dry land, a pipe well is needed to be used for pumping underground water, so that the underground water level is reduced below the bottom surface of the excavated foundation, and the underground water level is always kept lower than the bottom surface of the foundation construction until the foundation construction of the building is backfilled.

For example, chinese patent with publication number CN209260740U discloses a foundation pit downcast pipe well, which comprises a concrete pipe, a plurality of support plates fixedly connected to one end of the bottom of the concrete pipe, partition plates with two sides respectively fixedly connected to two adjacent sides of the two adjacent support plates, a bottom layer fixedly connected to the bottom of the support plates, an outer filter plate arranged in the concrete pipe and coaxial with the concrete pipe in a cylindrical shape, and a bottom plate fixedly connected to the bottom of the outer filter plate; set up a plurality of evenly distributed's through-hole on the baffle, set up on the outer filter and carry out filterable filtration hole to fine sand, the bottom plate is located the position that is close to the bottom.

In view of the above-mentioned related technologies, the inventors consider that the positions of the concrete pipe and the filter plate are fixed, and the lengths of the filter plate and the concrete pipe need to be individually customized according to the conditions of the foundation pit and the underground water each time, which is not favorable for cost control.

SUMMERY OF THE UTILITY MODEL

In order to be applicable to multiple operating mode and simplify site operation, this application provides a from drainage type foundation ditch downcast pipe well.

The application provides a from filter type foundation ditch precipitation tubular well adopts following technical scheme:

a self-filtering foundation pit downcast pipe well comprises a top cover, a silt section pipe, a water seepage section pipe and a bottom cover, wherein the top cover is detachably connected to the upper end of the silt section pipe, the water seepage section pipe is detachably connected to the lower end of the silt section pipe, and the bottom cover is detachably connected to the lower end of the water seepage section pipe; the silt section pipe includes that a plurality of can dismantle the unit well casing that links together, the infiltration section pipe includes a plurality of unit filter pipes that can dismantle and link together, the fixed filter unit who is used for filtering solid particle impurity that is provided with on the lateral wall of unit filter pipe.

By adopting the technical scheme, under different working conditions, a proper number of unit well pipes are selected according to actual requirements to be connected into the silt section pipe, the unit filter pipes with proper number are connected into the water seepage section pipe, then the top cover, the silt section pipe, the water seepage section pipe and the bottom cover are spliced into the downcast pipe well, waste caused by the production of the customized pipe well is reduced, and the construction cost is saved.

Optionally, the unit well pipe comprises a unit filter pipe, a unit top pipe and a unit water seepage pipe, wherein the unit well pipe is detachably connected with the unit filter pipe through the connecting assembly; coupling assembling includes sub-connecting block and female connecting block, the unit well casing unit filter tube and the upper end of bottom is all fixed and is provided with the sub-connecting block, the top cap unit well casing and the lower extreme of unit filter tube is all fixed and is provided with female connecting block, has seted up the cavity in the female connecting block, the shape of cavity is unanimous with the shape of sub-connecting block, the through-hole has been seted up vertically on the sub-connecting block, and the through-hole on the sub-connecting block communicates with the cavity on the female connecting block, and the sub-connecting block inserts in the cavity of female connecting block when connecting.

By adopting the technical scheme, the sub-connecting block is inserted into the cavity of the main connecting block, so that the connecting difficulty is reduced, and the pipe well modularization is convenient for operation of constructors.

Optionally, the sub-connecting block is round, and the area of the upper end of the sub-connecting block is smaller than the area of the lower end of the sub-connecting block.

Through adopting above-mentioned technical scheme, son connecting block is the round platform form, and the cavity shape in the female connecting block is unanimous with son connecting block, makes son connecting block can be easier when connecting insert in the female connecting block, reduces the construction degree of difficulty.

Optionally, coupling assembling still includes first ring flange and second ring flange, and first ring flange all is the ring form with the second ring flange, the unit well casing unit filter tube and the homogeneous body shaping has first ring flange on the lateral surface that the bottom is close to the sub-connecting block, second ring flange integrated into one piece is on the lateral wall of female connecting block, first ring flange and second ring flange butt during the connection.

Through adopting above-mentioned technical scheme, through first ring flange and second ring flange butt, increase the connection area, increase the steadiness of tub well.

Optionally, a plurality of first through holes are vertically formed in the first flange plate, second through holes with the number identical to that of the first through holes are vertically formed in the second flange plate, the first through holes correspond to the second through holes in a one-to-one manner, and the first through holes are communicated with the second through holes when the first flange plate is abutted to the second flange plate.

Through adopting above-mentioned technical scheme, first ring flange and second ring flange butt are aimed at first through-hole and second through-hole during the connection, insert the bolt and run through first through-hole and second through-hole simultaneously, screw up the nut, and the time connection is more firm, reduces the crooked probably of tube-well when the installation.

Optionally, the filtering unit includes filtering holes, the filtering holes are uniformly formed in the side wall of the unit filtering pipe, and the filtering holes are communicated with the inside of the unit filtering pipe.

Through adopting above-mentioned technical scheme, set up the filtration pore on the unit filter tube, let groundwater get into the tube well through filtering the pore smoothly, reduce the possibility that large granule solid impurity got into the tube well influence and draw water simultaneously.

Optionally, the diameter of one end of the filter hole close to the center of the unit filter tube is smaller than the diameter of one end of the filter hole far away from the center of the unit filter tube.

Through adopting above-mentioned technical scheme, groundwater can flow into the tube well more smoothly, promotes precipitation laugh efficiency, save time cost.

Optionally, a filter plate is fixedly arranged in the filter hole, and the filter plate is arranged at one end, close to the inner side wall of the unit filter pipe, of the filter hole.

Through adopting above-mentioned technical scheme, the solid impurity of filter in the further filtration groundwater reduces the possibility that less solid particle is inhaled by the pump and reduces the life of pump.

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

1. the pipe wells can be spliced according to different field conditions and requirements, so that the time for customizing the pipe wells is saved;

2. and the pipe well is recycled, so that the construction cost is saved.

Drawings

Fig. 1 is a schematic diagram of the present embodiment.

Fig. 2 is a schematic structural diagram of the present embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Description of reference numerals: 1. a top cover; 11. mounting a through hole; 12. a lower end hole; 2. a powder section pipe; 21. a unit well pipe; 3. a water seepage section pipe; 31. a unit filter tube; 4. a bottom cover; 5. a filtration unit; 51. a filtration pore; 52. a filter plate; 6. a connecting assembly; 61. a sub-connecting block; 62. a female connecting block; 63. a first flange plate; 631. a first through hole; 64. a second flange plate; 641. a second via.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses from drainage type foundation ditch downcomer well. Referring to fig. 1 and 2, the self-filtering foundation pit dewatering pipe well comprises a top cover 1, a silt section pipe 2, a water seepage section pipe 3, a bottom cover 4 and a connecting assembly 6. Silt section pipe 2 can dismantle the lower extreme of connection at top cap 1 through coupling assembling 6, and the lower extreme at silt section pipe 2 can be dismantled through coupling assembling 6 to the section pipe 3 that seeps water, and bottom 4 can dismantle the connection at the lower extreme that seeps water section pipe 3 through coupling assembling 6.

Referring to fig. 2 and 3, the connection assembly 6 includes a sub connection block 61 and a female connection block 62. The sub-connecting block 61 is round table-shaped, the area of the upper end of the sub-connecting block 61 is smaller than that of the lower end of the sub-connecting block 61, and a through hole is vertically formed in the upper end of the sub-connecting block 61. The female connecting block 62 is cylindrical, a cavity with the shape identical to that of the male connecting block 61 is vertically formed in the female connecting block 62, the male connecting block 61 can be inserted into the cavity of the female connecting block 62, and the through hole in the male connecting block 61 is communicated with the cavity of the female connecting block 62. The top cover 1 is a hollow round pipe, a mounting through hole 11 for inserting the water pumping pipe is formed in the center of the upper end of the top cover 1, a lower end hole 12 is formed in the center of the lower end of the top cover 1, the mounting through hole 11 is communicated with the lower end hole 12, the diameter of the lower end hole 12 is larger than that of the mounting through hole 11, and a female connecting block 62 is integrally formed at the lower end of the top cover 1. The sand segment pipe 2 comprises a plurality of unit well pipes 21, the number of the unit well pipes 21 can be one, two or three according to working conditions, the embodiment is preferably one, a sub connecting block 61 is integrally formed at the upper end of each unit well pipe 21, the sub connecting block 61 is inserted into a cavity of a female connecting block 62 of the top cover 1, and the female connecting block 62 is integrally formed at the lower end of each unit well pipe 21. The water seepage section pipe 3 comprises two unit filtering pipes 31, a sub connecting block 61 is integrally formed at the upper ends of the unit filtering pipes 31, and a main connecting block 62 is integrally formed at the lower ends of the unit filtering pipes 31. The sub-connecting block 61 of the lower unit filtering pipe 31 is inserted into the main connecting block 62 of the upper unit filtering pipe 31 to fixedly connect the two unit filtering pipes 31, and the sub-connecting block 61 of the upper unit filtering pipe 31 is inserted into the main connecting block 62 of the unit well pipe 21 to fixedly connect the water seepage section pipe 3 and the silt section pipe 2. The bottom cover 4 is cylindrical, the upper end of the bottom cover 4 is integrally formed with a sub-connecting block 61, and the sub-connecting block 61 of the bottom cover 4 is inserted into a female connecting block 62 of the water seepage section pipe 3 to fixedly connect the bottom cover 4 and the water seepage section pipe 3.

Referring to fig. 2 and 3, the connecting assembly 6 further includes a first flange 63 and a second flange 64, and the first flange 63 and the second flange 64 are both annular. The first flange 63 is integrally formed on the unit well pipe 21, the unit filter pipe 31 and the bottom cover 4, and the first flange 63 is arranged at one end close to the sub-connecting block 61; the second flange 64 is integrally formed on the top cover 1, the unit well pipe 21 and the female connection block 62 of the unit filtering pipe 31. Ten vertical first through holes 631 are uniformly formed in the first flange plate 63, and second through holes 641 corresponding to the first through holes 631 one to one are vertically formed in the second flange plate 64. When the sub-connection block 61 is inserted into the cavity of the female connection block 62, the first flange 63 abuts against the second flange 64, and the first through hole 631 communicates with the second through hole 641.

Referring to fig. 2 and 4, the filter unit 5 is fixedly disposed on the sidewall of the unit filter pipe 31, the filter unit 5 includes filter holes 51, and filter plates 52 are fixedly disposed in the filter holes 51. The filtering holes 51 are uniformly formed on the side wall of the unit filtering pipe 31, the filtering holes 51 are communicated with the inside of the unit filtering pipe 31, the diameter of one end of the filtering hole 51 close to the center of the unit filtering pipe 31 is smaller than that of one end of the filtering hole 51 far away from the center of the unit filtering pipe 31, and the filtering plate 52 is fixedly arranged in the filtering hole 51 and close to the inner side wall of the unit filtering pipe 31. The filter plates 52 reduce the likelihood of solid particles entering the unit filter tubes 31. The bottom cover 4 is also vertically provided with the filter unit 5, the filter hole 51 of the filter unit 5 of the bottom cover 4 has a diameter larger at the upper end of the bottom cover 4 than at the lower end of the bottom cover 4, the filter plate 52 is fixedly disposed in the filter hole 51, and the filter plate 52 is disposed near the upper end of the bottom cover 4.

The implementation principle of this application embodiment a from drainage type foundation ditch downcomer well does: and selecting a proper number of unit well pipes 21 and unit filter pipes 31 according to the measurement result at the silt section, the water seepage section and the water level of the precipitation required at the position where the precipitation pipe well is required to be measured. The top cover 1, the silt section pipe 2, the water seepage section pipe 3 and the bottom cover 4 are fixedly installed through the connecting component 6. Because the upper end area of sub-connecting block 61 is less than the lower extreme area, sub-connecting block 61 can easily insert female connecting block 62 and reduced construction burden in, and first ring flange 63 and second ring flange 64 butt are inserted the first through-hole 631 of bolt intercommunication and are screwed up the nut with second through-hole 641 again, make each part of tube-well connect closely. And placing the connected pipe well into a well needing precipitation. The silt section pipe 2 reduces the silt and enters into the pipe shaft and influences the water pump work, groundwater is from permeating water section pipe 3 and bottom 4 on filter hole 51 admission pipe well, large granule impurity in the groundwater is filtered hole 51 and is intercepted, less particulate matter in the groundwater is intercepted by filter 52, reduce impurity admission pipe well by the water pump suction and then reduce the possibility in the life-span of water pump, concentrate groundwater in the pipe shaft and pass through the discharge of drawing water of water pump again, the completion reduces the work of ground water level.

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 from type of straining foundation ditch downcomer well which characterized in that: the water seepage device comprises a top cover (1), a silt section pipe (2), a water seepage section pipe (3) and a bottom cover (4), wherein the top cover (1) is detachably connected to the upper end of the silt section pipe (2), the water seepage section pipe (3) is detachably connected to the lower end of the silt section pipe (2), and the bottom cover (4) is detachably connected to the lower end of the water seepage section pipe (3); the silt section pipe (2) includes that a plurality of can dismantle unit well casing (21) that link together, infiltration section pipe (3) includes a plurality of unit filter pipe (31) that link together that can dismantle, fixed filter unit (5) that are used for filtering solid particle impurity that are provided with on the lateral wall of unit filter pipe (31).

2. The self-filtering foundation pit downpipe well as recited in claim 1, wherein: the unit well pipe is characterized by further comprising a connecting assembly (6), the top cover (1), the sand powder section pipe (2), the water seepage section pipe (3) and the bottom cover (4) are detachably connected together through the connecting assembly (6), and the unit well pipe (21) and the unit filter pipe (31) are also detachably connected together through the connecting assembly (6); coupling assembling (6) are including son connecting block (61) and female connecting block (62), unit well casing (21) unit filter tube (31) and the upper end of bottom (4) is all fixed and is provided with son connecting block (61), top cap (1) unit well casing (21) and the lower extreme of unit filter tube (31) is all fixed and is provided with female connecting block (62), has seted up the cavity in female connecting block (62), the shape of cavity is unanimous with the shape of son connecting block (61), the through-hole has been seted up vertically on son connecting block (61), through-hole on son connecting block (61) and the cavity intercommunication on female connecting block (62), son connecting block (61) insert in the cavity of female connecting block (62) when connecting.

3. The self-filtering foundation pit downpipe well as recited in claim 2, wherein: the sub-connecting blocks (61) are round tables, and the area of the upper ends of the sub-connecting blocks (61) is smaller than that of the lower ends of the sub-connecting blocks (61).

4. The self-filtering foundation pit downpipe well as recited in claim 2, wherein: coupling assembling (6) still include first ring flange (63) and second ring flange (64), first ring flange (63) all are the ring form with second ring flange (64), unit well casing (21) unit filter tube (31) and the homogeneous body shaping has first ring flange (63) on bottom (4) is close to the lateral surface of sub-connecting block (61), second ring flange (64) integrated into one piece is on the lateral wall of female connecting block (62), first ring flange (63) and second ring flange (64) butt during the connection.

5. The self-filtering foundation pit downpipe well as recited in claim 4, wherein: a plurality of first through holes (631) are vertically formed in the first flange plate (63), second through holes (641) with the number identical to that of the first through holes (631) are vertically formed in the second flange plate (64), the first through holes (631) correspond to the second through holes (641) in a one-to-one mode, and the first flange plate (63) is communicated with the second through holes (641) when the second flange plate (64) is abutted to the first through holes (631).

6. The self-filtering foundation pit downpipe well as recited in claim 1, wherein: the filtering unit (5) comprises filtering holes (51), the filtering holes (51) are uniformly formed in the side wall of the unit filtering pipe (31), and the filtering holes (51) are communicated with the inside of the unit filtering pipe (31).

7. The self-filtering foundation pit downpipe well as recited in claim 6, wherein: the diameter of one end of the filtering hole (51) close to the center of the unit filtering pipe (31) is smaller than that of one end of the filtering hole (51) far away from the center of the unit filtering pipe (31).

8. The self-filtering foundation pit downpipe well as recited in claim 7, wherein: the filter holes (51) are internally fixedly provided with filter plates (52), and the filter plates (52) are arranged at one ends, close to the inner side walls of the unit filter pipes (31), of the filter holes (51).