Search

CN-117947789-B - Foundation pit collapse-preventing supporting device

CN117947789BCN 117947789 BCN117947789 BCN 117947789BCN-117947789-B

Abstract

The invention discloses a foundation pit collapse-preventing supporting device which comprises fixed sliding rails, supporting brackets clamped on two sides of the fixed sliding rails, supporting units clamped between the fixed sliding rails, a cover plate unit and a transmission piece, wherein the cover plate unit is arranged at the upper end of the fixed sliding rails and used for connecting a plurality of the fixed sliding rails, the transmission piece is arranged on the supporting brackets and connected with the supporting units, the cover plate unit is used for adjusting the installation positions of the fixed sliding rails and can simultaneously adjust the plurality of the fixed sliding rails, the downward moving distances of the four fixed sliding rails are the same, the fixed sliding rails are not easy to deform in the adjusting process, the fixing stability of the whole supporting device is improved, the installation time of the supporting units is saved, and the working efficiency of the whole foundation pit excavation is improved.

Inventors

  • YANG WEN
  • ZHOU YAYA
  • Duan Daozeng
  • XU DONG
  • LEI JUN
  • LIU WENJING
  • ZHOU YANG

Assignees

  • 安徽建工三建集团有限公司

Dates

Publication Date
20260505
Application Date
20240301

Claims (6)

  1. 1. The utility model provides a supporting device that collapses is prevented to foundation ditch, is in including fixed slide rail (1) of symmetry setting, joint support frame (2) and the joint of fixed slide rail (1) both sides are in supporting unit (3) between fixed slide rail (1), its characterized in that still includes: the cover plate unit (5) is arranged at the upper end of the fixed slide rail (1) and is used for connecting a plurality of the fixed slide rails (1); the transmission part (25) is arranged on the support bracket (2) and connected with the support unit (3) and is used for adjusting the support height of the support unit (3) on the soil layer; the cover plate unit (5) comprises a hinge (51) arranged at the upper end of the fixed sliding rail (1), a first cover plate (52) arranged on one side of the fixed sliding rail (1) and rotationally connected with the fixed sliding rail (1) through the hinge (51), a second cover plate (53) arranged on the other side of the fixed sliding rail (1) and rotationally connected with the fixed sliding rail (1) through the hinge (51), and a connecting frame (54) arranged on one side, far away from the fixed sliding rail (1), of the first cover plate (52) and the second cover plate (53), wherein a plugboard (55) used for fixing the first cover plate (52) and the second cover plate (53) is inserted in the connecting frame (54); The supporting unit (3) comprises a protection plate (31) which is adjustably arranged between the fixed slide rails (1), a mounting block (312) which is arranged on one side of the protection plate (31) close to the fixed slide rails (1) and an adjusting plate (32) which is adjustably arranged on the inner side of the protection plate (31) positioned on the fixed slide rails (1), wherein the adjusting plate (32) is slidably arranged in the fixed slide rails (1); The transmission part (25) comprises a fixed shaft (252) arranged on the support bracket (2) and a gear (251) sleeved on the fixed shaft (252), a second rack (321) meshed with the gear (251) is arranged on one side, close to the gear (251), of the adjusting plate (32), and a first rack (15) meshed with the gear (251) is arranged on one side, close to the gear (251), of the fixed sliding rail (1); The support bracket (2) comprises a support frame (21) which is arranged on one side of the fixed slide rail (1) in an adjustable manner and a sliding block (22) which is arranged on one side of the support frame (21) close to the fixed slide rail (1), wherein the sliding block (22) is arranged in the fixed slide rail (1) in a sliding manner, a sliding groove (11) for the sliding block (22) to move is formed in the position of the fixed slide rail (1) corresponding to the sliding block (22), a lantern ring (24) is sleeved on the support frame (21) in a sliding manner, a connecting plate (23) is fixedly arranged between the lantern rings (24), and the connecting plate (23) is connected with the fixed shaft (252); a pre-supporting guard plate (33) for protecting the soil layer is arranged at the lower part of the guard plate (31); The novel protective plate comprises a protective plate (31), and is characterized in that an adjusting unit (4) for limiting the installation position of the pre-supporting protective plate (33) is arranged on the protective plate (31), the adjusting unit (4) comprises an installation frame (41) arranged on the protective plate (31), a limiting frame (42) arranged on one side, far away from the protective plate (31), of the installation frame (41) and an adjusting piece (43) arranged inside the installation frame (41) and used for fixing the protective plate (31), the adjusting piece (43) is connected with the connecting plate (23) through a traction rope (44), and a guide ring (26) for limiting the installation position of the traction rope (44) is arranged on the supporting frame (21); the adjusting piece (43) comprises an adjusting rod (431) penetrating through the mounting frame (41), a limiting block (432) arranged on one side of the adjusting rod (431) and a second elastic piece (433) sleeved on one side of the limiting block (432), the adjusting rod (431) is far away from the limiting block (432), the adjusting rod (431) is connected with the traction rope (44), a through hole (314) for the limiting block (432) to move is formed in the position of the limiting block (432) corresponding to the protecting plate (31), and a clamping groove (331) for limiting the position of the pre-supporting plate (33) is formed in the position of the limiting block (432) corresponding to the pre-supporting plate (33).
  2. 2. The foundation pit collapse prevention supporting device according to claim 1, wherein a locating rod (56) is arranged on one side, away from the fixed sliding rail (1), of the first cover plate (52) and the second cover plate (53), and a limiting groove (14) for inserting the locating rod (56) is formed in the position, corresponding to the locating rod (56), of the top end of the fixed sliding rail (1).
  3. 3. The foundation pit collapse prevention supporting device according to claim 1, wherein a positioning groove (57) for positioning a force application point is formed in one side of the first cover plate (52) and one side of the second cover plate (53) close to the fixed sliding rail (1).
  4. 4. The foundation pit collapse prevention supporting device according to claim 1, wherein the position of the fixed sliding rail (1) corresponding to the adjusting plate (32) is provided with an installing groove (16) for the adjusting plate (32) to move, one side of the adjusting plate (32) close to the protection plate (31) is provided with an adjusting block (324), and the position of the protection plate (31) corresponding to the adjusting block (324) is provided with an adjusting groove (311) for the adjusting block (324) to move.
  5. 5. The foundation pit collapse prevention supporting device according to claim 1, wherein a fixed plate (322) is fixedly arranged at the upper end of the adjusting plate (32), a reinforcing block (323) is arranged on one side, close to the fixed sliding rail (1), of the fixed plate (322), the reinforcing block (323) is slidably arranged in the fixed sliding rail (1), and a reinforcing groove (12) for the reinforcing block (323) to move is formed in the position of the fixed sliding rail (1) corresponding to the reinforcing block (323).
  6. 6. The foundation pit collapse prevention supporting device according to claim 1, wherein a placement groove (313) for placing the pre-supporting plate (33) is formed in the position of the protecting plate (31) corresponding to the pre-supporting plate (33), and a first elastic piece (34) is arranged at the position of the placement groove (313) located at the upper end of the pre-supporting plate (33).

Description

Foundation pit collapse-preventing supporting device Technical Field The invention relates to the technical field of building equipment, in particular to a foundation pit collapse-preventing supporting device. Background The foundation pit is divided into a shallow foundation pit and a deep foundation pit, after the foundation pit is excavated, the foundation pit is required to be supported, and the foundation pit is supported, so that the safety of underground structure construction and the surrounding environment of the foundation pit is ensured, the supporting, reinforcing and protecting measures adopted for the side wall of the foundation pit and the surrounding environment are adopted, and a slide rail type supporting device is generally adopted to prevent the foundation pit from collapsing when the groove is excavated. The existing equipment has the following defects that when the depth of a sliding rail type supporting device in a groove is adjusted, a bucket of a digging machine is generally adopted to sequentially adjust a plurality of sliding rail supports, as the supporting device is mainly designed into a rectangular frame body, single adjustment is long in time consumption, equidistant adjustment is needed for the pressing depth of the sliding rail supports, the supporting device is subjected to the acting force of soil layers on two sides of a supporting plate, the sliding rail supports are easy to deform, the stability of the whole supporting device is influenced, the supporting plate is placed in a sliding rail in a clamping manner when the traditional supporting device is assembled, when the groove digging depth is deepened, the supporting height of the equivalent supporting plate is needed, the existing equipment generally adopts a mode of inserting the supporting plates into the sliding rail for supporting, then the two sides of the supporting plates are clamped in the sliding rail for installation, the two sides of the supporting plates are required to be aligned with the clamping grooves of the sliding rail for multiple times, the sliding rail is easy to incline in a foundation pit, and therefore the supporting plates are inconvenient to assemble quickly when the positions of the supporting plates are aligned, and the installation efficiency of the supporting plates is influenced. Therefore, the application provides a foundation pit collapse prevention supporting device to solve the problems. Disclosure of Invention The invention aims to provide a foundation pit collapse prevention supporting device, which aims to solve the problems that the single adjustment is long in time consumption, the pressing depth of a plurality of sliding rail supports is required to be adjusted at equal intervals, the supporting device is subjected to the acting force of soil layers on two sides of a supporting plate, the sliding rail supports are easy to deform, the stability of the whole supporting device is influenced, and the supporting plate is inconvenient to calibrate in position, the supporting plate is inconvenient to assemble quickly, and the installation efficiency of the supporting plate is influenced. In order to achieve the purpose, the invention provides the technical scheme that the foundation pit collapse prevention supporting device comprises symmetrically arranged fixed sliding rails, supporting brackets clamped at two sides of the fixed sliding rails, supporting units clamped between the fixed sliding rails, and further comprises: the cover plate unit is arranged at the upper end of the fixed slide rail and used for connecting a plurality of fixed slide rails; The transmission piece is arranged on the supporting bracket and connected with the supporting unit and used for adjusting the supporting height of the supporting unit to the soil layer. The cover plate unit comprises a hinge arranged at the upper end of the fixed sliding rail, a first cover plate arranged on one side of the fixed sliding rail and connected with the fixed sliding rail in a rotating mode through the hinge, a second cover plate arranged on the other side of the fixed sliding rail and connected with the fixed sliding rail in a rotating mode through the hinge, and a connecting frame arranged on one side of the fixed sliding rail, far away from the first cover plate and the second cover plate, wherein a plugboard used for fixing the first cover plate and the second cover plate is inserted into the connecting frame. The first cover plate and the second cover plate are provided with a locating rod on one side far away from the fixed sliding rail, and a limiting groove for inserting the locating rod is formed in the position of the top end of the fixed sliding rail corresponding to the locating rod. And a positioning groove for positioning the force application point is formed in one side, close to the fixed sliding rail, of the first cover plate and the second cover plate. The support unit comprises a protection plate, an i