CN222275508U

CN222275508U - A supporting structure in a foundation pit

Info

Publication number: CN222275508U
Application number: CN202420820667.5U
Authority: CN
Inventors: 高刘平; 侯继亮; 陈石; 马建国
Original assignee: Hangzhou Branch Of China Railway Beijing Engineering Bureau Group Co ltd
Current assignee: Hangzhou Branch Of China Railway Beijing Engineering Bureau Group Co ltd
Priority date: 2024-04-19
Filing date: 2024-04-19
Publication date: 2024-12-31
Anticipated expiration: 2034-04-19

Abstract

The utility model discloses an inner supporting structure of a foundation pit, which comprises a supporting steel pipe, wherein the supporting steel pipe comprises a left pipe and a right pipe, an adjusting mechanism is arranged between the left pipe and the right pipe, the adjusting mechanism comprises an extending column and a fixing ring, one end of the extending column penetrates through the inside of the fixing ring and extends to the inside of the right pipe, four groups of inner threaded pipes are fixedly arranged on the outer wall of the fixing ring, threaded columns are arranged in the inner threaded pipes, and the working ends of the threaded columns extend to the surface of the extending column.

Description

Supporting construction in foundation ditch

Technical Field

The utility model belongs to the technical field of foundation pit support, and particularly relates to an inner foundation pit support structure.

Background

The utility model provides a support in foundation ditch, be in order to guarantee the safety of underground structure construction and foundation ditch surrounding environment, the support that adopts to foundation ditch lateral wall and surrounding environment, consolidate and safeguard measure, through in the support at foundation ditch inner wall installation support steel pipe, support steel pipe tip installation extension board, extension board and foundation ditch inner wall contact to support in the foundation ditch, prevent that the incident such as collapse from appearing in the foundation ditch, chinese patent application number 201821572440.4 discloses a supporting construction in the deep foundation ditch, can know that what this content describes is just a supporting construction in the foundation ditch.

When the existing supporting structure in the foundation pit is used, the supporting steel pipes and the supporting plates are installed in the foundation pit to support the foundation pit, the lengths of the supporting steel pipes are different, the widths of different foundation pits are different, when the widths of the supporting steel pipes and the foundation pit are slightly larger or smaller, the supporting steel pipes of other sizes are required to be replaced or the supporting steel pipes are additionally provided with the other supporting steel pipes so as to prolong the lengths of the supporting steel pipes, so that the operation is inconvenient, a plurality of supporting steel pipes are required to be prepared on site, the problem of the supporting steel pipes on the applicability of the foundation pit with different widths is solved, and the supporting structure in the foundation pit is provided.

Disclosure of utility model

The utility model aims to provide an internal supporting structure of a foundation pit, which solves the problems that when the existing internal supporting structure of the foundation pit is put forward in the prior art, when the supporting steel pipes are inconsistent with the widths of the foundation pit, the supporting steel pipes with other sizes are required to be replaced or the supporting steel pipes are additionally arranged on the supporting steel pipes so as to further prolong the lengths of the supporting steel pipes, and a plurality of supporting steel pipes are required to be prepared on site.

In order to achieve the purpose, the foundation pit inner supporting structure comprises a supporting steel pipe, wherein the supporting steel pipe comprises a left pipe and a right pipe, an adjusting mechanism is arranged between the left pipe and the right pipe and comprises an extending column and a fixing ring, one end of the extending column penetrates through the inside of the fixing ring and extends to the inside of the right pipe, four groups of inner threaded pipes are fixedly arranged on the outer wall of the fixing ring, threaded columns are arranged in the inner threaded pipes, and the working ends of the threaded columns extend to the surface of the extending column.

Preferably, four groups of through holes are formed in the fixing ring, and the working ends of the threaded columns penetrate through the through holes.

Preferably, the other end of the extension column is fixed on the inner wall of the left tube, and the fixing ring is fixed on the side surface of the right tube.

Preferably, the outside of fixed ring is fixed and is provided with two sets of spacing rings, the outside of left side pipe is fixed and is provided with two sets of mounting panels.

Preferably, a limit post is fixedly arranged on the side face of the mounting plate, and the end part of the limit post penetrates through the inside of the limit ring.

Preferably, the top of right pipe is fixed and is provided with the hydraulic stem, be provided with the movable rod on the hydraulic stem, the tip of movable rod with solid fixed ring fixed connection.

Preferably, support plates are arranged at the two end parts of the support steel pipe.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, through the designed adjusting mechanism, when the width sizes of the foundation pits are different, the length of the supporting steel pipe can be conveniently adjusted in a telescopic way, and the extending column on the left pipe is moved and adjusted in the right pipe, so that the length size of the supporting steel pipe can be adjusted, the supporting steel pipe can meet the width sizes of the foundation pits which are slightly larger or slightly smaller, and the applicability of the supporting steel pipe is improved.

Drawings

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

FIG. 2 is a schematic view of a fixing ring according to the present utility model;

FIG. 3 is a schematic view of the left tube and extension column connection structure of the present utility model;

FIG. 4 is a schematic view of the right tube structure of the present utility model;

100 parts of support plates, 101 parts of left pipes, 102 parts of right pipes, 200 parts of hydraulic rods, 201 parts of movable rods, 300 parts of fixed rings, 301 parts of extension columns, 302 parts of internal threaded pipes, 303 parts of threaded columns, 304 parts of mounting plates, 305 parts of limiting rings, 306 parts of limiting columns.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution: the foundation pit inner supporting structure comprises a supporting steel pipe, wherein the supporting steel pipe comprises a left pipe 101 and a right pipe 102, an adjusting mechanism is arranged between the left pipe 101 and the right pipe 102, the adjusting mechanism comprises an extending column 301 and a fixing ring 300, one end of the extending column 301 penetrates through the inside of the fixing ring 300 and extends to the inside of the right pipe 102, one end of the extending column 301 can move left and right in the inside of the fixing ring 300 and the inside of the right pipe 102 when in use, four groups of internal thread pipes 302 are fixedly arranged on the outer wall of the fixing ring 300, thread columns 303 are arranged in the inner parts of the internal thread pipes 302, the internal thread pipes 302 are connected with the thread columns 303 in a screwed mode when in use, the working ends of the thread columns 303 extend to the surface of the extending column 301, four groups of through holes are formed in the inside of the fixing ring 300, the working ends of the thread columns 303 penetrate through the inside of the through holes, and are contacted with the outer wall of the extending column 301 after penetrating through the through holes when in use, the other end of the extending column 301 is fixed on the inner wall of the left pipe 101, the fixing ring 300 is fixed on the side surface of the right pipe 102, two groups of limiting rings 305 are fixedly arranged outside the fixing ring 300, when in use, the limiting column 306 slides in the limiting rings 305 to play a limiting role, two groups of mounting plates 304 are fixedly arranged outside the left pipe 101, the limiting column 306 is fixedly arranged on the side surface of the mounting plates 304, the end part of the limiting column 306 passes through the inside of the limiting rings 305, through a designed adjusting mechanism, the extending column 301 on the left pipe 101 can be conveniently moved in the right pipe 102 for adjusting the length of the supporting steel pipe when the width of the foundation pit is different in use, the length of the supporting steel pipe can be further adjusted, so that the supporting steel pipe can meet the requirement of a few slightly larger or slightly smaller width of the foundation pit, the applicability of the supporting steel pipe is improved.

In this embodiment, preferably, the top of the right tube 102 is fixedly provided with a hydraulic rod 200, the hydraulic rod 200 is provided with a movable rod 201, the movable rod 201 can move left and right in the hydraulic rod 200 when in use, the end of the movable rod 201 is fixedly connected with the fixed ring 300, the fixed ring 300 and the right tube 102 can be pushed to move left and right by stretching and retracting the movable rod 201 in the hydraulic rod 200 when in adjustment through combining the designed hydraulic rod 200 with the movable rod 201, and then the extension column 301 can move in the right tube 102, so that the time and effort are saved, and the adjustment operation is convenient.

In this embodiment, the support plates 100 are preferably installed at both ends of the support steel pipe.

The working principle and the using flow of the utility model are as follows:

When the utility model is used, when the length of the supporting steel pipe is adjusted, the threaded column 303 is rotated outwards to unscrew, at the moment, the working end of the threaded column 303 is not contacted with the outer wall of the extending column 301 any more, then the hydraulic rod 200 is started, at the moment, the movable rod 201 on the hydraulic rod 200 is pushed out to the right side or moves leftwards to retract, the fixed ring 300 is driven to move, the fixed ring 300 drives the right pipe 102 to move, when the fixed ring 300 moves, the limiting ring 305 is driven to move, at the moment, the limiting column 306 can slide in the limiting ring 305, then the movement is stopped after the limiting column 306 is moved to a proper length position, then the threaded column 303 is rotated towards the direction close to the extending column 301, and finally the working end of the threaded column 303 is contacted with and tightly clamps the extending column 301, at the moment, the length of the supporting steel pipe can be adjusted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The foundation pit inner supporting structure comprises a supporting steel pipe, wherein the supporting steel pipe comprises a left pipe (101) and a right pipe (102), an adjusting mechanism is arranged between the left pipe (101) and the right pipe (102), and the foundation pit inner supporting structure is characterized in that the adjusting mechanism comprises an extending column (301) and a fixing ring (300), one end of the extending column (301) penetrates through the inside of the fixing ring (300) and extends to the inside of the right pipe (102), four groups of inner threaded pipes (302) are fixedly arranged on the outer wall of the fixing ring (300), threaded columns (303) are arranged in the inner threaded pipes (302), and the working ends of the threaded columns (303) extend to the surface of the extending column (301).

2. The foundation pit inner support structure of claim 1, wherein four groups of through holes are formed in the fixing ring (300), and the working ends of the threaded columns (303) penetrate through the through holes.

3. The foundation pit inner support structure of claim 2, wherein the other end of the extension column (301) is fixed on the inner wall of the left pipe (101), and the fixing ring (300) is fixed on the side surface of the right pipe (102).

4. The foundation pit inner support structure of claim 3, wherein two groups of limiting rings (305) are fixedly arranged outside the fixing ring (300), and two groups of mounting plates (304) are fixedly arranged outside the left pipe (101).

5. The foundation pit inner support structure of claim 4, wherein the side surface of the mounting plate (304) is fixedly provided with a limit post (306), and the end part of the limit post (306) passes through the inside of the limit ring (305).

6. The foundation pit inner support structure of claim 1, wherein a hydraulic rod (200) is fixedly arranged at the top of the right pipe (102), a movable rod (201) is arranged on the hydraulic rod (200), and the end part of the movable rod (201) is fixedly connected with the fixed ring (300).

7. The foundation pit inner support structure of claim 1, wherein the support plates (100) are arranged at two ends of the support steel pipe.