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Supporting device for foundation pit construction

A technology for supporting devices and foundation pits, which is used in infrastructure engineering, excavation, construction, etc., can solve the problems of reduced practicability, low supporting strength, and reduced practicability of supporting devices, so as to prevent inward collapse and increase stability. Effect

Pending Publication Date: 2021-03-12
WENZHOU POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the prior art, most foundation pit support devices are mostly poured with concrete. Due to the different sizes of the foundation pits, their practicability is reduced and the support strength is not high. The installation steps of the existing foundation pit support devices are relatively complicated. It requires a certain installation period, and at the same time, it is more cumbersome to dismantle the support device in the later stage, which reduces the practicability of the support device

Method used

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  • Supporting device for foundation pit construction
  • Supporting device for foundation pit construction
  • Supporting device for foundation pit construction

Examples

Experimental program
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Effect test

Embodiment 1

[0031] refer to Figure 1-7 , a support device for foundation pit construction, comprising a foundation pit 1, a fixed base plate 2 is fixedly connected to the inner wall of the bottom of the foundation pit 1, and a screw 3 is connected to the top of the fixed base plate 2 in rotation, and the inner walls on both sides of the foundation pit 1 are tightly connected. A support plate 18 is bonded, and the top of the fixed bottom plate 2 is provided with a driving assembly for supporting the support plate 18. Two symmetrical second fixed plates 13 are fixedly connected to the sides where the two support plates 18 are close to each other. The two support plates 18 are provided with a plurality of second threaded holes 15 on the approaching side, and the side of the second fixed plate 13 away from the support plate 18 is equidistantly arranged with a plurality of second bolts 14, and the plurality of second bolts 14 all pass through the second fixing plate 13 and extend into the sec...

Embodiment 2

[0033]This embodiment is improved on the basis of Embodiment 1: the driving assembly includes a rotating motor 5 fixedly connected to the top of the fixed bottom plate 2, the output shaft of the rotating motor 5 is fixedly connected with a driving bevel gear 6, and the outer wall of the screw 3 is fixedly sleeved. There is a driven bevel gear 4, and the driven bevel gear 4 and the driving bevel gear 6 are meshed. The outer wall of the lead screw 3 is threaded with a lead screw nut 7, and both sides of the lead screw nut 7 are provided with rotating grooves 30, and the two rotating Both sides inner walls of groove 30 are all rotatably connected with rotating rod 31, and the outer walls of two rotating rods 31 are fixedly connected with connecting rod 8, and the ends of two connecting rods 8 away from leading screw nut 7 are all rotatably connected with fixed block 9, fixed The side of the block 9 away from the lead screw nut 7 is fixedly connected with a first fixed plate 10, an...

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Abstract

The invention belongs to the technical field of building construction, and particularly relates to a supporting device for foundation pit construction. Aiming at the problem that an existing supporting device is not high in supporting strength and cannot be suitable for different foundation pits, the scheme is proposed as follows. The supporting device comprises a foundation pit, wherein a fixed bottom plate is fixedly connected to the inner wall of the bottom of the foundation pit, a lead screw is rotatably connected to the top of the fixed bottom plate, and supporting plates are tightly attached to the inner walls of the two sides of the foundation pit. The device is simple and convenient, the lead screw is driven by a rotating motor to rotate, then a lead screw nut moves downwards, twoconnecting rods can support the upper portions of the supporting plates, then a second gear is rotated to drive a first gear to rotate, two sliding rods are pushed to the two sides, the sliding rods can support the lower portions of the supporting plates, the upper portions and the lower portions of the supporting plates can be supported at the same time, the supporting strength of the supportingplates can be improved, adjustment can be conducted according to different foundation pits, dismounting is convenient, and practicability is high.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a support device for foundation pit construction. Background technique [0002] Deep foundation pit refers to a project whose excavation depth exceeds 5 meters (including 5 meters), or the depth does not exceed 5 meters, but the geological conditions, surrounding environment and underground pipelines are particularly complicated. The foundation pit project mainly includes the design of the foundation pit support system It is a highly comprehensive system engineering with construction and earthwork excavation, which requires the close cooperation of geotechnical engineering and structural engineering technicians. The foundation pit support system is a temporary structure, which is no longer needed after the underground engineering construction is completed. Both the foundation pit and the foundation groove are used for the foundation of the building, but the plane sh...

Claims

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Application Information

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IPC IPC(8): E02D17/04E02D17/08
CPCE02D17/04E02D17/08
Inventor 吴庆令
Owner WENZHOU POLYTECHNIC
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