CN-117536241-B - Supporting structure for deep foundation pit construction and operation method

CN117536241BCN 117536241 BCN117536241 BCN 117536241BCN-117536241-B

Abstract

The invention discloses a supporting structure for deep foundation pit construction and an operation method, the supporting structure comprises a deep foundation pit body, a supporting device is arranged on the deep foundation pit body, the supporting device comprises a main board mechanism, a mounting mechanism, an adjusting mechanism and an auxiliary mechanism, the main board mechanism is provided with the mounting mechanism, a first through hole and a second through hole are aligned, a limit inserted rod is screwed into the first through hole and the second through hole to fix a sliding block into a sliding groove, a fixed plate is pulled by a supporting plate, the telescopic rod is pulled by the fixed plate through a rotating shaft to adapt to the width of the deep foundation pit body, a new sliding groove is inserted into the top end of the fixed plate in the deep foundation pit body, the mounting through hole on the new sliding groove is aligned with the mounting through hole on the fixed plate, and the fixed inserted rod is screwed into the mounting through hole, so that the two supporting plates are fixed together, the stability of the whole device is improved, and the effect of conveniently adjusting the height of the supporting plate is realized.

Inventors

WU BINGWEI
Cui Jiatai
ZHU YI
SHAO HAILONG
CHENG SHUXIN
TANG JINCHAO
ZHANG CHENG

Assignees

上海交通建设总承包有限公司

Dates

Publication Date: 20260505
Application Date: 20231220

Claims (5)

1. The supporting structure for deep foundation pit construction comprises a deep foundation pit body (1), and is characterized in that a supporting device is arranged on the deep foundation pit body (1), the supporting device comprises a main board mechanism (2), a mounting mechanism (3), an adjusting mechanism (4) and an auxiliary mechanism (5), the mounting mechanism (3) is arranged on the main board mechanism (2), the adjusting mechanism (4) is arranged on the mounting mechanism (3), and the auxiliary mechanism (5) is arranged on the outer wall of the main board mechanism (2); The mainboard mechanism (2) comprises a supporting plate (201), an inserting block (202), an inserting groove (203) and a groove (204), wherein the inserting block (202) is fixedly connected to the top end of the supporting plate (201), the inserting groove (203) is formed in the bottom end of the supporting plate (201), and the groove (204) is formed in the outer wall of the supporting plate (201); The mounting mechanism (3) comprises a fixing plate (301), a sliding groove (302), sliding blocks (303), first through holes (304), second through holes (305), limiting inserted bars (306), mounting through holes (307) and fixing inserted bars (308), wherein the outer walls of the two supporting plates (201) are fixedly connected with the two symmetrically distributed fixing plates (301), the sliding groove (302) is formed in the outer wall of the fixing plate (301), the two array distributed second through holes (305) are formed in the outer wall of the sliding groove (302), the two sliding blocks (303) are connected with the inner wall of the sliding groove (302) in a sliding mode, the first through holes (304) are formed in the outer wall of the sliding blocks (303), the two symmetrically distributed mounting through holes (307) are formed in the upper end and the bottom end of the outer wall of the sliding groove (302), the fixing inserted bars (308) are connected with the inner wall threads of the mounting through holes (307), and the limiting inserted bars (306) are connected with the inner wall threads of the second through holes (305); the adjusting mechanism (4) comprises a rotating shaft (401), limiting insertion holes (402), limiting screws (403), telescopic rods (404), adjusting holes (405) and adjusting rods (406), wherein the rotating shaft (401) is connected with the inner wall of the sliding block (303) in a rotating mode, the limiting insertion holes (402) are formed in the outer wall of the rotating shaft (401) and the upper end of the sliding block (303), the limiting screws (403) are connected with the inner wall of the limiting insertion holes (402) in a threaded mode, two ends of each telescopic rod (404) are fixedly connected with the two rotating shafts (401) respectively, a plurality of adjusting holes (405) are formed in the outer wall of each telescopic rod (404), and the adjusting rods (406) are connected with the inner wall of each adjusting hole (405) in a threaded mode. The auxiliary mechanism (5) comprises a square box (501), a supporting rod (502), a baffle (503), fixing blocks (504), pedals (505), square holes (506), limiting blocks (507) and square rods (508), wherein the square box (501) is fixedly connected with two symmetrically distributed on the outer wall of the supporting plate (201), the fixing blocks (504) are fixedly connected with the outer wall of the supporting plate (201), the pedals (505) are rotatably connected with the outer wall of the fixing blocks (504), the supporting rods (502) are slidably connected with the upper ends of the square boxes (501), the plurality of baffles (503) are fixedly connected with the outer wall of the supporting rod (502), the square holes (506) are formed in the outer wall of the supporting rod (502), the limiting blocks (507) are fixedly connected with the outer wall of the supporting plate (201), and the square rods (508) are slidably connected with the inner wall of the limiting blocks (507).
2. The deep foundation pit construction supporting structure according to claim 1, wherein the baffle plates (503) are in one-to-one correspondence with the pedals (505), the baffle plates (503) are located right below the pedals (505), the outer walls of the square rods (508) penetrate through the limiting blocks (507), and anti-skidding patterns are formed in the upper ends of the pedals (505).
3. The deep foundation pit construction supporting structure according to claim 1, wherein the bottom end of the chute (302) penetrates through the bottom end of the fixing plate (301).
4. The deep foundation pit construction supporting structure according to claim 1, wherein the top end transverse length of the fixing plate (301) is equal to the inner length of the chute (302).
5. An operation method based on the deep foundation pit construction supporting structure as claimed in claim 1, which is characterized by comprising the following steps: Firstly, a square rod (508) is pulled out of a square hole (506), so that a supporting rod (502) is pushed downwards, the supporting rod (502) is moved to the bottom end of a square box (501), the supporting rod (502) drives a baffle plate (503) to move, a pedal (505) can be rotated and placed down, an operator can conveniently go down into a deep foundation pit body (1), after the operation, the supporting rod (502) is pushed upwards, the square hole (506) is aligned with the square rod (508), the square rod (508) is inserted into the square hole (506) to fix the supporting rod (502), meanwhile, the baffle plate (503) pushes the pedal (505) upwards, the pedal (505) is rotated upwards, and the pedal (505) is retracted, so that space occupation is reduced; S2, respectively attaching two supporting plates (201) to two side walls of the deep foundation pit body (1), aligning a first through hole (304) with a second through hole (305), screwing a limit inserting rod (306) into the first through hole (304) and the second through hole (305) to fix a sliding block (303) into a sliding groove (302), pulling a fixing plate (301) by the supporting plates (201), pulling a telescopic rod (404) by the fixing plate (301) through a rotating shaft (401) to adapt to the width of the deep foundation pit body (1), at the moment, pulling the telescopic rod (404) to a Cheng Shuiping state to enable the telescopic rod (404) to be in a tightening state, screwing a limit screw (403) into a limit inserting hole (402), fixing the rotating shaft (401) with the sliding block (303) to limit the rotation of the rotating shaft (401), and screwing an adjusting rod (406) into an adjusting hole (405) to fix the telescopic rod (404), so that the supporting plates (201) support the side walls of the deep foundation pit body (1); S3, when the depth of the deep foundation pit body (1) is increased and a supporting device is required to be increased, firstly, the bottom of the deep foundation pit body (1) is dug downwards, at the moment, the bottom of the deep foundation pit body (1) is 10cm away from the required depth, at the moment, the bottom of the deep foundation pit body (1) of the supporting plate (201) positioned at one side is dug to the required depth of the bottom of the deep foundation pit body (1), then, an adjusting rod (406) on the telescopic rod (404) is screwed out, so that the telescopic rod (404) can freely stretch out and draw back, one side of the supporting plate (201) is extruded downwards, the supporting plate (201) can downwards move to the bottommost part of the deep foundation pit body (1), meanwhile, the sliding block (303) is pulled by the supporting plate (201) at one side, the telescopic rod (404) is in an inclined state, and then the operation is repeated, so that the supporting plate (201) at the other side can be moved to the required depth of the foundation pit body (1), and the supporting device is convenient to move; And S4, finally, inserting a new supporting device into the upper end of the supporting device which is positioned in the deep foundation pit body (1), namely inserting a slot (203) at the bottom of the new supporting plate (201) into an inserting block (202) at the upper end of the supporting plate (201) positioned in the deep foundation pit body (1), forming preliminary fixing, simultaneously, inserting a new sliding groove (302) into the top end of a fixing plate (301) positioned in the deep foundation pit body (1), aligning a mounting through hole (307) on the new sliding groove (302) with the mounting through hole (307) on the fixing plate (301), screwing a fixing inserting rod (308) into the mounting through hole (307), thereby fixing the two supporting plates (201) together, improving the stability of the whole device, and realizing the effect of conveniently adjusting the height of the supporting plate (201).

Description

Supporting structure for deep foundation pit construction and operation method Technical Field The invention relates to the technical field of pit construction supporting devices. Background The building construction refers to the production activity of engineering construction implementation stage, which is the construction process of various buildings, and can be said to be the process of changing various lines on a design drawing into real objects at a designated place. The method comprises foundation engineering construction, main body structure construction, roof engineering construction, decoration engineering construction and the like. The site of construction is referred to as a "building site" or "job site," also known as a worksite. Building construction is a production activity performed by people for constructing various building products in a certain space and time according to a specific design blueprint by using various building materials and mechanical equipment. It includes all production processes from construction preparation, earth breaking and construction completion and acceptance. In the process, construction preparation, construction organization design and management, earthwork, blasting engineering, foundation engineering, reinforcing steel bar engineering, template engineering, scaffold engineering, concrete engineering, prestressed concrete engineering, masonry engineering, steel structure engineering, wood structure engineering, structure installation engineering and the like are to be performed. When working in the construction pit, need support the both sides soil wall of pit, half adopts the backup pad to press close to both sides soil wall to fix respectively on the outer wall of two backup pads with the both ends of branch, but support so, can only satisfy the pit of fixed degree of depth and fixed width, in case the width and the degree of depth of pit change, just need carry out the support of backup pad again, make the support of both sides soil wall waste time and energy, and very inconvenient. Disclosure of Invention The invention aims to overcome the defect that a supporting plate is inconvenient to adjust and provides a supporting structure for deep foundation pit construction and an operation method. The technical scheme for achieving the purpose is that the supporting structure for deep foundation pit construction comprises a deep foundation pit body, wherein a supporting device is arranged on the deep foundation pit body and comprises a main board mechanism, a mounting mechanism, an adjusting mechanism and an auxiliary mechanism, the mounting mechanism is arranged on the main board mechanism, the adjusting mechanism is arranged on the mounting mechanism, and the auxiliary mechanism is arranged on the outer wall of the main board mechanism. Preferably, the mainboard mechanism comprises a supporting plate, an inserting block, an inserting groove and a groove, wherein the inserting block is fixedly connected to the top end of the supporting plate, the inserting groove is formed in the bottom end of the supporting plate, and the groove is formed in the outer wall of the supporting plate. Preferably, the installation mechanism comprises a fixed plate, a sliding groove, a sliding block, a first through hole, a second through hole, a limiting inserted bar, an installation through hole and a fixed inserted bar, wherein the two fixed plates are fixedly connected with the outer wall of the supporting plate, the sliding groove is formed in the outer wall of the fixed plate, the second through holes distributed in two arrays are formed in the outer wall of the sliding groove, two sliding blocks are connected with the inner wall of the sliding groove in a sliding manner, the first through hole is formed in the outer wall of the sliding block, the two symmetrically distributed installation through holes are formed in the upper end and the bottom end of the outer wall of the sliding groove, the fixing inserted bar is connected with the inner wall thread of the installation through hole, and the limiting inserted bar is connected with the inner wall thread of the second through hole. Preferably, the adjustment mechanism comprises a rotating shaft, a limiting jack, a limiting screw rod, a telescopic rod, an adjusting hole and an adjusting rod, the rotating shaft is connected to the inner wall of the sliding block in a rotating mode, the limiting jack is formed in the outer wall of the rotating shaft and the upper end of the sliding block, the limiting screw rod is connected to the inner wall of the limiting jack in a threaded mode, two ends of the telescopic rod are fixedly connected with the two rotating shafts respectively, the adjusting holes are formed in the outer wall of the telescopic rod, and the adjusting rod is connected to the inner wall of the adjusting hole in a threaded mode. Preferably, the auxiliary mechanism comprises a square box, a support rod, a baffle, a fixed