CN219298225U

CN219298225U - Deep foundation pit supporting structure capable of preventing deformation

Info

Publication number: CN219298225U
Application number: CN202320239406.XU
Authority: CN
Inventors: 徐铭; 迟元杰; 郭富成; 唐权全; 李博宇; 徐新然
Original assignee: Sichuan First Construction Engineering Co ltd
Current assignee: Sichuan First Construction Engineering Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-04
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a deformation-preventing deep foundation pit supporting structure, which comprises two side plates, wherein an installation seat is arranged between the two side plates, a telescopic extrusion mechanism is installed in the installation seat and comprises a worm wheel and a worm, the worm wheel and the worm are rotatably installed in the installation seat, the worm wheel and the worm are meshed and installed, a gear is fixedly installed at the bottom end of the worm wheel, two racks are meshed and installed on the outer annular wall of the gear, the two racks are consistent in specification and are distributed in a central symmetry mode relative to the gear, extrusion columns are detachably sleeved at the far ends of the two racks, the two extrusion columns are respectively inserted into the centers of the back surfaces of the corresponding side plates, the worm is driven to rotate through a rotary hand wheel, the worm wheel is driven to rotate, the gear is driven to rotate, the two racks are finally driven to move in the far directions, the corresponding inserted rods are respectively pushed, namely the corresponding extrusion columns are pushed, the two side plates are finally extruded, and the side plates are further extruded and fixed, and the supporting stability is improved.

Description

Deep foundation pit supporting structure capable of preventing deformation

Technical Field

The utility model relates to the technical field of foundation pit support, in particular to a deep foundation pit support structure capable of preventing deformation.

Background

The foundation pit must cause the deformation of surrounding soil body in the excavation process, produces the influence to surrounding building and underground pipeline, serious will endanger its normal use or safety, in order to avoid this kind of circumstances can increase the supporting system in deep basal design and pit construction and stabilize foundation pit safety.

The utility model patent application number 202120273567.1, the patent name is a deep foundation pit supporting structure capable of preventing deformation, and the description beneficial effect section of the utility model records the technical problems that the whole device is convenient to open and close by an opening and closing device and a supporting piece, the operation is simple and quick, the occupied space in the process of storage and transportation is reduced, the whole supporting structure is stable and firm by the design of a ground nail and a frustum, meanwhile, a waterproof layer is also arranged, and the water leakage of the side wall of a deep foundation pit is reduced, and the folding structure is designed to try to solve the technical problems that the existing deep foundation pit supporting structure is large in size and more in structure, cannot be quickly installed and fixed, and occupies space in the process of storage and transportation because the existing deep foundation pit supporting structure is not large in size and cannot completely achieve the effect of reducing the size and saving space after folding.

Disclosure of Invention

The utility model aims to provide a deep foundation pit supporting structure capable of preventing deformation, which is used for solving the problem that the occupied space is still larger after folding.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a prevent deep basal pit supporting construction of deformation, includes two curb plates, two be provided with the mount pad between the curb plate, install flexible extrusion mechanism in the mount pad, flexible extrusion mechanism includes worm wheel and worm, worm wheel and worm rotate and install in the mount pad, worm wheel and worm meshing installation, the bottom fixed mounting of worm wheel has the gear, two racks are installed in the outer rampart meshing of gear, two rack specification is unanimous and is central symmetry distribution about the gear, two the equal detachable cover of one end is equipped with the extrusion post of keeping away from mutually to the rack, two the extrusion post inserts respectively and corresponds curb plate back center.

As a further scheme of the utility model: the centers of one opposite sides of the two side plates are provided with jacks, and the two extrusion columns are respectively inserted into the corresponding jacks in an adaptive manner.

As a further scheme of the utility model: the opposite ends of the two extrusion columns are provided with slots, the tail ends of the two racks are fixedly provided with inserting rods, and the two inserting rods are respectively and adaptively inserted into the corresponding slots.

As a further scheme of the utility model: two equal fixed mounting in curb plate opposite side has the waterproof layer, two equal fixed mounting in four corners of curb plate has the fixed block, a plurality of all run through in the fixed block has inserted the stock.

As a further scheme of the utility model: the two opposite outer side walls of the mounting seat are provided with sliding holes in a penetrating mode, and the two racks respectively penetrate through the corresponding sliding holes in a sliding mode and extend out of the mounting seat.

As a further scheme of the utility model: the bottom of gear rotates to install at the mount pad inner chamber lower bottom, worm one end runs through and extends out the mount pad and fixed mounting has the hand wheel.

The utility model has the beneficial effects that:

firstly, two side plates are arranged, the side plates are inserted into the inner wall of a deep foundation pit to be supported through anchor rods, then an extrusion column is inserted into the back surface of the corresponding side plate, the inserted bars at the tail ends of two racks are inserted into the extrusion column again, the worm is driven to rotate through a rotating hand wheel, then the worm wheel is driven to rotate, the gear is driven to rotate, finally the two racks are driven to move in the direction away from each other, the corresponding inserted bars are respectively pushed, namely the corresponding extrusion column is pushed, the two side plates are finally extruded, the side plates are finally extruded and fixed further, and the supporting stability is improved.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the telescopic extrusion mechanism of the present utility model;

fig. 3 is a schematic side view of a side plate mounting structure according to the present utility model.

In the figure:

1. a side plate; 11. a waterproof layer; 12. a fixed block; 13. a bolt; 14. a jack;

2. an extrusion column; 21. a slot;

3. a mounting base;

4. a telescopic extrusion mechanism; 41. a worm wheel; 42. a worm; 43. a gear; 44. a rack; 45. a rod; 46. and a hand wheel.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, a deep foundation pit supporting structure capable of preventing deformation comprises two side plates 1, wherein an installation seat 3 is arranged between the two side plates 1, a telescopic extrusion mechanism 4 is installed in the installation seat 3, the telescopic extrusion mechanism 4 comprises a worm wheel 41 and a worm 42, the worm wheel 41 and the worm 42 are rotatably installed in the installation seat 3, the worm wheel 41 and the worm 42 are in meshed installation, a gear 43 is fixedly installed at the bottom end of the worm wheel 41, two racks 44 are in meshed installation on the outer annular wall of the gear 43, the specifications of the two racks 44 are consistent and are distributed in a central symmetry mode with respect to the gear 43, one ends, far away from each other, of the two racks 44 are detachably sleeved with extrusion columns 2, the two extrusion columns 2 are respectively inserted into the back centers of the corresponding side plates 1, force application gravity center balance is ensured, and potential force uniformity is ensured.

As shown in fig. 1-3, more particularly, the center of one side of each of the two side plates 1 is provided with a jack 14, the two extrusion columns 2 are respectively inserted into the corresponding jack 14 in a matched manner, so that the two side plates are convenient to detach, space is saved, the opposite ends of the two extrusion columns 2 are respectively provided with a slot 21, the tail ends of the two racks 44 are respectively fixedly provided with an inserting rod 45, the two inserting rods 45 are respectively inserted into the corresponding slots 21 in a matched manner, the two side plates 1 are convenient to detach, space is saved, the opposite sides of the two side plates 1 are respectively fixedly provided with a waterproof layer 11, the waterproof layer 11 can reduce water leakage of the side walls of a deep foundation pit, the four corners of the two side plates 1 are respectively fixedly provided with a fixed block 12, anchor rods 13 are respectively inserted into the fixed blocks 12 in a penetrating manner, the two opposite outer side walls of the mounting seat 3 are respectively provided with sliding holes in a penetrating manner, the two racks 44 respectively slide in the corresponding sliding manner, and extend out of the mounting seat 3, the bottom ends of the gears 43 are rotatably extended out of the inner cavity of the mounting seat 3, one end of the worm 42 is penetrated through the mounting seat 3 and is fixedly provided with a hand wheel 46, and the worm 42 is conveniently rotated.

The working principle of the utility model is as follows:

firstly, attaching one side plate 1 on the inner side wall of a deep foundation pit, penetrating an anchor rod 13 on the side plate 1 through a corresponding fixed block 12, finally inserting the anchor rod into the inner side wall of the deep foundation pit, finishing reinforcement and support of the side plate 1, and inserting one extrusion column 2 into an insertion hole 14 in the back of the side plate 1;

secondly, inserting the inserted link 45 at the tail end of one rack 44 into the insertion hole 14 of the extrusion column 2, sleeving the insertion slot 21 of the other extrusion column 2 on the inserted link 45 at the tail end of the other rack 44, and sleeving the insertion hole 14 at the back of the other side plate 1 on the corresponding extrusion column 2;

thirdly, rotating the hand wheel 46 to drive the worm 42 to rotate, and on the premise of ensuring that the mounting seat 3 is not moved, driving the worm wheel 41 to rotate by the worm 42 so as to drive the gear 43 to rotate, respectively driving the two racks 44 to linearly move in a direction away from each other, and finally respectively driving the corresponding inserted bars 45 to push the corresponding extrusion columns 2 so as to finish extrusion and collision of the two side plates 1;

and fourthly, finally, penetrating the anchor rods 13 on the other side plate 1 through the corresponding fixed blocks 12 and finally inserting the anchor rods into the inner side wall of the deep foundation pit to finish the reinforcement and support of the side plate 1.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a prevent deep basal pit supporting construction of deformation, includes two curb plates, its characterized in that, two be provided with the mount pad between the curb plate, install flexible extrusion mechanism in the mount pad, flexible extrusion mechanism includes worm wheel and worm, worm wheel and worm rotate and install in the mount pad, worm wheel and worm meshing installation, the bottom fixed mounting of worm wheel has the gear, two racks are installed in the outer ring wall meshing of gear, two rack specification is unanimous and is central symmetry distribution about the gear, two the equal detachable cover of one end is equipped with the extrusion post that keeps away from mutually to the rack, two the extrusion post inserts respectively and corresponds curb plate back center.

2. The deep foundation pit supporting structure for preventing deformation according to claim 1, wherein the centers of opposite sides of the two side plates are provided with insertion holes, and the two extrusion columns are respectively and adaptively inserted into the corresponding insertion holes.

3. The deep foundation pit supporting structure for preventing deformation according to claim 1, wherein the opposite ends of the two extrusion columns are provided with slots, the tail ends of the two racks are fixedly provided with inserted bars, and the two inserted bars are respectively inserted into the corresponding slots in an adaptive manner.

4. The deformation-preventing deep foundation pit supporting structure according to claim 1, wherein waterproof layers are fixedly installed on opposite sides of two side plates, fixing blocks are fixedly installed on four corners of two side plates, and anchor rods are inserted into a plurality of fixing blocks in a penetrating mode.

5. The deep foundation pit supporting structure for preventing deformation according to claim 1, wherein the two opposite outer side walls of the mounting base are provided with sliding holes penetrating through the inner cavity, and the two racks respectively slide to penetrate through the corresponding sliding holes and extend out of the mounting base.

6. The deep foundation pit supporting structure capable of preventing deformation according to claim 1, wherein the bottom end of the gear is rotatably installed at the lower bottom of the inner cavity of the installation seat, and one end of the worm penetrates through the installation seat and is fixedly provided with a hand wheel.