CN218148468U

CN218148468U - Deep foundation pit drainage structure

Info

Publication number: CN218148468U
Application number: CN202221458625.9U
Authority: CN
Inventors: 宋志永; 贾鑫; 屈新刚; 申亮; 郑桐
Original assignee: Sinohydro Corp Engineering Bureau 15 Co Ltd
Current assignee: Sinohydro Corp Engineering Bureau 15 Co Ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-12-27
Anticipated expiration: 2032-06-13

Abstract

The utility model provides a deep basal pit drainage structures, the inside lateral wall all is provided with supporting construction all around of foundation ditch, and foundation ditch bottom one side is provided with the escape canal, the opposite side relative with the escape canal is provided with the sump pit, and the sump pit is linked together through drain pipe and escape canal, and the drain pipe is located foundation ditch bottom surface below, and the subaerial centrifugal pump that is provided with in foundation ditch top, centrifugal pump input port are linked together through pumping hose and sump pit, the drain pipe comprises a plurality of drain pipe unit end to end, and the kneck of two adjacent rows of water pipe units is provided with the hoop, drain pipe unit one end is female head, the other end be with female first assorted public head, be provided with the filter screen on the public head terminal surface. The utility model provides a drain pipe is the sectional type connection, and the simple and convenient easy operation of installation, and convenient to detach maintains, is provided with the filter screen on the public first terminal surface of drain pipe unit simultaneously, filters through the section-by-section filter screen, can effectively avoid silt to get into the sump pit, causes the damage to pumping equipment, has improved life.

Description

Deep foundation pit drainage structure

Technical Field

The utility model belongs to the technical field of groundwater is moderate and definite, concretely relates to deep basal pit drainage structures.

Background

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

Current foundation ditch drainage structures is in the in-service use in-process, because the structure is complicated, it is comparatively inconvenient to install and use, and drainage efficiency is relatively poor, can not play fine guard action to the foundation ditch main part, is difficult to satisfy current foundation ditch drainage demand, so we provide a deep basal pit drainage structures.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technology that provides a deep basal pit drainage structures that simple structure, easy maintenance, drainage efficiency are high.

The technical scheme for solving the technical problems is as follows: the utility model provides a deep basal pit drainage structures, the inside lateral wall all is provided with supporting construction all around of foundation ditch, and foundation ditch bottom one side is provided with the escape canal, the opposite side relative with the escape canal is provided with the sump pit, and the sump pit is linked together through drain pipe and escape canal, and the drain pipe is located foundation ditch bottom surface below, and the subaerial centrifugal pump that is provided with in foundation ditch top, centrifugal pump input port are linked together through pumping hose and sump pit, the drain pipe comprises a plurality of drain pipe unit end to end, and the kneck of two adjacent rows of water pipe units is provided with the hoop, drain pipe unit one end is female head, the other end be with female first assorted public head, be provided with the filter screen on the public head terminal surface.

As an optimal technical scheme, prefabricated cover plates are arranged above the water collecting well and the drainage ditch, mounting holes are formed in the positions of four vertex angles of the prefabricated cover plates in a rectangular structure, and water guide grooves which are uniformly distributed are formed in the prefabricated cover plates.

As a preferred technical scheme, a protective layer is arranged on the inner wall of the drainage pipe unit.

As a preferred technical scheme, the female head and the male head of the drainage pipe unit are both provided with threads.

The utility model has the advantages as follows:

the utility model discloses an excavate escape canal and water collection well respectively at the bottom side of foundation ditch to utilize the mutual through connection of sectional type drain pipe, and utilize the centrifugal pump to take out the water in the water collection well through the hose that draws water, play fine emission effect to the inside water source of foundation ditch body, have the fast characteristics of drainage efficiency.

The utility model provides a drain pipe is connected for the sectional type, and the simple and convenient easy operation of installation, and convenient to detach maintains, is equipped with the inoxidizing coating in the drain pipe unit simultaneously and can effectively improves the bearing capacity of body, guarantees that the foundation ditch is difficult for subsiding, is provided with the filter screen on the public first terminal surface of drain pipe unit, filters through making a paragraph filter, can effectively avoid silt to get into the sump pit, causes the damage to pumping equipment, has improved life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the female end of the drain pipe unit 2 of the present invention.

Fig. 3 is a schematic structural diagram of the male end of the drain pipe unit 2 according to the present invention.

Fig. 4 is a schematic structural diagram of the prefabricated cover plate 5 of the present invention.

Wherein: a drainage ditch 1; a drain pipe unit 2; a hoop 3; a water collecting well 4; prefabricating a cover plate 5; a water pumping hose 6; a centrifugal pump 7; a support structure 8; a protective layer 201; a female head 202; a filter screen 203; a male portion 204.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, but the present invention is not limited to the following embodiments.

In fig. 1 to 4, the deep foundation pit drainage structure of this embodiment is formed by connecting a drainage ditch 1, a drainage pipe, a water collecting well 4, a prefabricated cover plate 5, a water pumping hose 6, a centrifugal pump 7 and a supporting structure 8, wherein the supporting structure 8 is installed on the peripheral side wall inside the foundation pit, the drainage ditch 1 is dug on one side of the bottom of the foundation pit, the water collecting well 4 is dug on the other side opposite to the drainage ditch 1, the water collecting well 4 is communicated with the drainage ditch 1 through the drainage pipe, the drainage pipe is located below the bottom surface of the foundation pit, water in the drainage ditch 1 flows into the water collecting well 4 through the drainage pipe, the centrifugal pump 7 is installed on the ground above the foundation pit, the input port of the centrifugal pump 7 is communicated with the water collecting well 4 through the water pumping hose 6, water in the water collecting well 4 is discharged through the centrifugal pump 7, in this embodiment, the drainage pipe is formed by connecting two drainage pipe units 2 end to end, one end of the drainage pipe unit 2 is a female head 202, the other end of the female head 202, the male head 204 is a male head matched with the female head 202, both of the male head 204 are provided with threads, the male head 204, the male head 203 is provided on the end face of the male head 204 end face of the male head of the drainage pipe unit, a stress 201 is provided on the inner wall of the drainage pipe unit 2, two rows of the female pipe for improving the pipe body, the bearing, the two rows of the male unit 2 are provided, the male ring 3, the male unit 3, and the male unit 3 is provided with the male unit 3, and the male joint, and the joint 3 for fixing the joint, and the joint 3 joint.

The utility model provides a drain pipe is the sectional type connection, and the simple and convenient easy operation of installation, and convenient to detach maintains, is equipped with inoxidizing coating 201 in the drain pipe unit 2 simultaneously and can effectively improves the bearing capacity of body, guarantees that the foundation ditch is difficult for subsiding, is provided with the filter screen on the public first terminal surface of drain pipe unit 2, filters through making one by one the section filter screen, can effectively avoid silt to get into sump pit 4, causes the damage to pumping equipment, has improved life.

Claims

1. The utility model provides a deep basal pit drainage structures which characterized in that: all be provided with supporting construction (8) on the inside lateral wall all around of foundation ditch, foundation ditch bottom one side is provided with escape canal (1), the opposite side relative with escape canal (1) is provided with sump pit (4), sump pit (4) are linked together through drain pipe and escape canal (1), and the drain pipe is located foundation ditch bottom surface below, and the subaerial centrifugal pump (7) that is provided with in foundation ditch top, and centrifugal pump (7) input port are linked together with sump pit (4) through pumping hose (6), the drain pipe comprises a plurality of drain pipe unit (2) end to end, and the kneck of two adjacent drain pipe units (2) is provided with hoop (3), drain pipe unit (2) one end is female head (202), the other end for with female head (202) assorted public head (204), is provided with filter screen (203) on public head (204) terminal surface.

2. The deep foundation pit drainage structure according to claim 1, wherein: prefabricated apron (5) all are provided with above sump pit (4) and escape canal (1), mounting hole has been seted up for rectangle structure and four apex angle departments in prefabricated apron (5), has seted up evenly distributed's diversion channel on prefabricated apron (5).

3. The deep foundation pit drainage structure according to claim 1, wherein: and a protective layer (201) is arranged on the inner wall of the drainage pipe unit (2).

4. The deep foundation pit drainage structure according to claim 1, wherein: threads are machined on the female head (202) and the male head (204) of the drainage pipe unit (2).