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CN-224213309-U - Drainage structure and foundation pit supporting device

CN224213309UCN 224213309 UCN224213309 UCN 224213309UCN-224213309-U

Abstract

The utility model provides a drainage structure and a foundation pit supporting device, which comprises a foundation pit supporting device and a first liquid suction pipe, wherein the foundation pit supporting device comprises a transverse supporting mechanism, a first steel sheet pile and a second steel sheet pile, the first steel sheet pile and the second steel sheet pile are used for covering the periphery of a foundation pit, the first steel sheet pile and the second steel sheet pile are U-shaped, bending parts are arranged at the left end and the right end of the first steel sheet pile and the left end and the right end of the first steel sheet pile, the first steel sheet pile and the second steel sheet pile are detachably connected through the bending parts, the closed end of the first steel sheet pile is used for being abutted against the inner wall of the foundation pit, and the first liquid suction pipe is arranged at the closed end of the first steel sheet pile.

Inventors

  • JIANG WENBIN
  • XIAO KE
  • LI WEIYING

Assignees

  • 四川城乡发展工程设计有限公司

Dates

Publication Date
20260508
Application Date
20250421

Claims (10)

  1. 1. The foundation pit supporting device is characterized by comprising a transverse bracing mechanism (101), a first steel sheet pile (102) and a second steel sheet pile (103), wherein the first steel sheet pile (102) and the second steel sheet pile (103) are used for covering the periphery of a foundation pit (116); The first steel sheet pile (102) and the second steel sheet pile (103) are U-shaped, bending parts (104) are arranged at the left end and the right end of the first steel sheet pile (102) and the left end and the right end of the first steel sheet pile (102), the first steel sheet pile (102) and the second steel sheet pile (103) are detachably connected through the bending parts (104), the closed end of the first steel sheet pile (102) is used for being abutted with the inner wall of the foundation pit (116), and the upper end and the lower end of the transverse supporting mechanism (101) are both used for being connected with the closed end of the second steel sheet pile (103); The transverse bracing mechanism (101) is used for supporting the inner wall of the foundation pit (116) in cooperation with the second steel sheet pile (103).
  2. 2. The foundation pit supporting device according to claim 1, wherein the cross bracing mechanism (101) comprises a cross bracing rod (105) and a connecting rod (106), the connecting rod (106) is fixedly connected to the upper end and the lower end of the cross bracing rod (105), and the connecting rod (106) is used for being connected with the second steel sheet pile (103).
  3. 3. A foundation pit supporting device according to claim 2, wherein the top ends of the first steel sheet pile (102) and the second steel sheet pile (103) extend upwards to above the top of the foundation pit (116).
  4. 4. A drainage structure, characterized by comprising a first liquid suction pipe (107) and the foundation pit supporting device according to any one of claims 1-3, wherein the first liquid suction pipe (107) is installed at the closed end of the first steel sheet pile (102).
  5. 5. A drainage structure according to claim 4, wherein the closed end of the second steel sheet pile (103) is fitted with a second liquid suction pipe (108).
  6. 6. A drainage structure according to claim 5, wherein a water blocking assembly (109) is mounted on the closed end of the first steel sheet pile (102), the water blocking assembly (109) comprises a sliding part (110) and a baffle plate (111), the sliding part (110) is slidably mounted on the closed end of the first steel sheet pile (102), and the baffle plate (111) is hinged with the sliding part (110).
  7. 7. A drainage structure according to claim 6, wherein the closed end of the first steel sheet pile (102) is provided with a limit groove (112), the sliding part (110) is provided with a limit protrusion (117) for being matched with the limit groove (112), and the sliding part (110) is slidably mounted in the limit groove (112) through the limit protrusion (117).
  8. 8. A drainage structure according to claim 6, wherein the end of the baffle (111) remote from the sliding portion (110) is hinged with a fixing plate (113).
  9. 9. A drainage structure according to claim 8, wherein the fixing plate (113) is detachably provided with fixing bars (114).
  10. 10. A drainage structure according to claim 4, wherein a water guiding inclined plane (115) is provided at the bottom of the foundation pit (116).

Description

Drainage structure and foundation pit supporting device Technical Field The utility model belongs to the technical field of foundation pit drainage, and particularly relates to a drainage structure and a foundation pit supporting device. Background In the construction of underground structures such as pipe laying, basement construction, and subway stations, it is necessary to excavate the earth's surface to form a foundation pit. Because the foundation pit excavation can destroy the original soil body balance state, if the foundation pit excavation is not supported in time, the soil body can collapse due to dead weight or external load. The utility model discloses a foundation pit supporting structure (hereinafter referred to as prior art 1), which comprises a foundation pit body, wherein four side walls of the foundation pit body are respectively a first foundation pit side wall at the north side, a second foundation pit side wall at the east side, a third foundation pit side wall at the south side and a fourth foundation pit side wall at the west side, a first supporting structure of a pile inserting type is arranged on the first foundation pit side wall, a second supporting structure of a pile inserting type is arranged on the second foundation pit side wall, a slope releasing side is arranged on the third foundation pit side and the fourth foundation pit side wall, and a third supporting structure is arranged on the slope releasing side and is a net piece paved on the slope releasing side; In the prior art 1, different supporting structures are adopted to support the side walls of the corresponding foundation pit body, so that the effect of better supporting the side walls of the foundation pit is achieved, but as the foundation pit construction with large area, deep depth and long period is often involved in the engineering foundation construction process, rainwater outside the foundation pit cannot flow into the foundation pit due to rainy weather, and when the rainfall is large, the engineering main body structure, the foundation or the foundation pit supporting structure can be damaged, so that the safety and economic risks are high. Disclosure of utility model The utility model aims to provide a drainage structure and a foundation pit supporting device, which can solve the problems that in the prior art, when rainwater outside a foundation pit flows into the foundation pit due to rainfall weather, an engineering main body structure, a foundation or a foundation pit supporting structure is damaged, and larger safety and economic risks exist. In order to solve the technical problems, the utility model adopts the following technical scheme: The foundation pit supporting device comprises a transverse supporting mechanism, a first steel sheet pile and a second steel sheet pile, wherein the first steel sheet pile and the second steel sheet pile are used for covering the periphery of a foundation pit; The first steel sheet pile and the second steel sheet pile are U-shaped, bending parts are arranged at the left end and the right end of the first steel sheet pile and the left end and the right end of the first steel sheet pile respectively, and the first steel sheet pile and the second steel sheet pile are detachably connected through the bending parts; the transverse bracing mechanism is used for supporting the inner wall of the foundation pit in cooperation with the second steel sheet pile. Preferably, the cross bracing mechanism comprises a cross bracing rod and a connecting rod, wherein the connecting rod is fixedly connected to the upper end and the lower end of the cross bracing rod, and the connecting rod is used for being connected with the second steel sheet pile. Preferably, the top ends of the first steel sheet pile and the second steel sheet pile extend upwards to above the top of the foundation pit. The utility model provides a drainage structure, includes first drainage pipe and foundation ditch strutting arrangement, first drainage pipe is installed the blind end of first steel sheet pile. Preferably, the closed end of the second steel sheet pile is provided with a second liquid suction pipe. Preferably, the closed end of the first steel sheet pile is provided with a water retaining assembly, the water retaining assembly comprises a sliding part and a baffle, the sliding part is slidably arranged at the closed end of the first steel sheet pile, and the baffle is hinged with the sliding part. Preferably, the closed end of the first steel sheet pile is provided with a limiting groove, the sliding part is provided with a limiting protrusion matched with the limiting groove, and the sliding part is slidably installed in the limiting groove through the limiting protrusion. Preferably, a fixed plate is hinged to one end of the baffle plate, which is far away from the sliding part. Preferably, the fixing plate is detachably provided with a fixing rod. Preferably, the bottom of the foundation pit is