Supporting structure in foundation pit

Abstract

The utility model discloses a foundation pit inner supporting structure which comprises a supporting steel pipe, 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 extension column and a fixing ring, one end of the extension column penetrates through the interior of the fixing ring and extends into the right pipe, and the other end of the extension column penetrates through the fixing ring and extends into the right pipe. Four groups of internal threaded pipes are fixedly arranged on the outer wall of the fixing ring, threaded columns are arranged in the internal threaded pipes, and the working ends of the threaded columns extend to the surface of the extension column; by means of the designed adjusting mechanism, the length of the supporting steel pipe can be adjusted in a telescopic mode when the width size of a foundation pit is different in the using process, the extending column on the left pipe is movably adjusted in the right pipe, and then the length size of the supporting steel pipe can be adjusted; the supporting steel pipe can meet the width size of some slightly larger or smaller foundation pits, and the applicability of the supporting steel pipe is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of foundation pit support, and in particular relates to a support structure in a foundation pit. Background Art

[0002] The support inside the foundation pit is a support, reinforcement and protection measure adopted for the side walls of the foundation pit and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment of the foundation pit. During the support, support steel pipes are installed on the inner wall of the foundation pit, and support plates are installed at the ends of the support steel pipes. The support plates are in contact with the inner wall of the foundation pit, thereby supporting the foundation pit and preventing safety accidents such as collapse of the foundation pit. Chinese patent application number 201821572440.4 discloses a support structure inside a deep foundation pit. It can be seen that the content describes a support structure inside a foundation pit.

[0003] When the existing supporting structure in the foundation pit is in use, the supporting steel pipe and the support plate are installed in the foundation pit to support the foundation pit. The length of the supporting steel pipe is different, and the width of different foundation pits will also be different. When the width of the supporting steel pipe and the foundation pit is slightly larger or smaller, it is necessary to replace the supporting steel pipe of other sizes or install other supporting steel pipes on the supporting steel pipe to extend the length of the supporting steel pipe. This is inconvenient to operate, and multiple supporting steel pipes need to be prepared on site, which reduces the applicability of the supporting steel pipe to foundation pits of different widths. For this reason, we propose a supporting structure in the foundation pit. Utility Model Content

[0004] The purpose of the utility model is to provide a supporting structure in a foundation pit to solve the problem in the above-mentioned background technology that when the existing supporting structure in a foundation pit is in use, when the width of the supporting steel pipe is inconsistent with the width of the foundation pit, it is necessary to replace the supporting steel pipe with other sizes or install other supporting steel pipes on the supporting steel pipe to extend the length of the supporting steel pipe, and a plurality of supporting steel pipes need to be prepared on site.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a support structure in a foundation pit, including a support steel pipe, the support steel pipe includes a left pipe and a right pipe, an adjustment mechanism is arranged between the left pipe and the right pipe, the adjustment mechanism includes an extension column and a fixing ring, one end of the extension column passes through the interior of the fixing ring and extends to the interior of the right pipe, four groups of internal threaded pipes are fixedly arranged on the outer wall of the fixing ring, a threaded column is arranged inside the internal threaded pipe, and the working end of the threaded column extends to the surface of the extension column.

[0006] Preferably, four groups of through holes are opened inside the fixing ring, and the working ends of the threaded columns pass through the insides of the through holes.

[0007] Preferably, the other end of the extension column is fixed to the inner wall of the left tube, and the fixing ring is fixed to the side surface of the right tube.

[0008] Preferably, two groups of limiting rings are fixedly provided on the outside of the fixing ring, and two groups of mounting plates are fixedly provided on the outside of the left tube.

[0009] Preferably, a limiting column is fixedly provided on the side surface of the mounting plate, and the end of the limiting column passes through the interior of the limiting ring.

[0010] Preferably, a hydraulic rod is fixedly provided on the top of the right tube, a movable rod is provided on the hydraulic rod, and an end of the movable rod is fixedly connected to the fixing ring.

[0011] Preferably, support plates are installed at both ends of the supporting steel pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model is designed with an adjustment mechanism, which makes it easy to adjust the length of the supporting steel pipe when the width of the foundation pit is different during use. The extension column on the left pipe is moved and adjusted in the right pipe, thereby adjusting the length of the supporting steel pipe, so that the supporting steel pipe can meet the width of some slightly larger or smaller foundation pits, thereby improving the applicability of the supporting steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the fixing ring structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the connection structure between the left tube and the extension column of the utility model;

[0017] Figure 4 It is a schematic diagram of the right pipe structure of the utility model;

[0018] In the figure: 100, support plate; 101, left tube; 102, right tube; 200, hydraulic rod; 201, movable rod; 300, fixing ring; 301, extension column; 302, internal threaded tube; 303, threaded column; 304, mounting plate; 305, limiting ring; 306, limiting column. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] See also Figure 1-Figure 4 The utility model provides a technical solution: a supporting structure in a foundation pit, including a supporting steel pipe, the supporting steel pipe includes a left pipe 101 and a right pipe 102, an adjustment mechanism is arranged between the left pipe 101 and the right pipe 102, the adjustment mechanism includes an extension column 301 and a fixing ring 300, one end of the extension column 301 passes through the interior of the fixing ring 300 and extends to the interior of the right pipe 102, when in use, one end of the extension column 301 can move left and right inside the fixing ring 300 and the right pipe 102, four groups of internal threaded pipes 302 are fixedly arranged on the outer wall of the fixing ring 300, a threaded column 303 is arranged inside the internal threaded pipe 302, when in use, the internal threaded pipe 302 and the threaded column 303 are connected by threaded engagement, the working end of the threaded column 303 extends to the surface of the extension column 301, four groups of through holes are opened inside the fixing ring 300, the working end of the threaded column 303 passes through the interior of the through hole, when in use, the threaded column 30 The working end of 3 contacts the outer wall of the extension column 301 after passing through the through hole, and the other end of the extension column 301 is fixed to the inner wall of the left tube 101, and the fixing ring 300 is fixed to the side of the right tube 102. Two groups of limiting rings 305 are fixedly arranged on the outside of the fixing ring 300. When in use, when making adjustments, the limiting column 306 slides in the limiting ring 305 to play a limiting role. Two groups of mounting plates 304 are fixedly arranged on the outside of the left tube 101, and the side of the mounting plate 304 is fixedly provided with a limiting column 306. The end of the limiting column 306 passes through the inside of the limiting ring 305. Through the designed adjustment mechanism, when the width of the foundation pit is different during use, the length of the supporting steel pipe can be telescopically adjusted. The extension column 301 on the left tube 101 is moved and adjusted in the right tube 102, and then the length of the supporting steel pipe can be adjusted, so that the supporting steel pipe can meet the width of some slightly larger or smaller foundation pits, thereby improving the applicability of the supporting steel pipe.

[0022] In this embodiment, preferably, a hydraulic rod 200 is fixedly provided on the top of the right tube 102, and a movable rod 201 is provided on the hydraulic rod 200. When in use, the movable rod 201 can move left and right in the hydraulic rod 200, and the end of the movable rod 201 is fixedly connected to the fixed ring 300. By combining the designed hydraulic rod 200 and the movable rod 201, the movable rod 201 in the hydraulic rod 200 can be extended and retracted to push the fixed ring 300 and the right tube 102 to move left and right during adjustment, thereby enabling the extension column 301 to move in the right tube 102, which saves time and effort and facilitates adjustment operations.

[0023] In this embodiment, preferably, support plates 100 are installed at both ends of the supporting steel pipe.

[0024] The working principle and use process of this utility model:

[0025] When the utility model is in use, when adjusting the length of the supporting steel pipe, the threaded column 303 is rotated outward to loosen, and the working end of the threaded column 303 no longer contacts the outer wall of the extension column 301, and then the hydraulic rod 200 is started, and the movable rod 201 on the hydraulic rod 200 is pushed out to the right or moved to the left and retracted, driving the fixing ring 300 to move, and the fixing ring 300 drives the right tube 102 to move, and when the fixing ring 300 moves, it will drive the limit ring 305 to move, and the limit column 306 will slide in the limit ring 305, and then stop moving after moving to the appropriate length position, and then rotate the threaded column 303 in the direction close to the extension column 301, and finally the working end of the threaded column 303 contacts and clamps the extension column 301, and the length of the supporting steel pipe can be adjusted.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A support structure in a foundation pit, comprising a support steel pipe, wherein the support steel pipe comprises a left pipe (101) and a right pipe (102), an adjustment mechanism is provided between the left pipe (101) and the right pipe (102), and the characteristics are: The adjustment mechanism comprises an extension column (301) and a fixing ring (300), one end of the extension column (301) passes through the interior of the fixing ring (300) and extends to the interior of the right tube (102), four groups of internal threaded tubes (302) are fixedly arranged on the outer wall of the fixing ring (300), a threaded column (303) is arranged inside the internal threaded tube (302), and the working end of the threaded column (303) extends to the surface of the extension column (301).

2. A foundation pit support structure according to claim 1, characterized in that: Four groups of through holes are provided inside the fixing ring (300), and the working ends of the threaded columns (303) pass through the insides of the through holes.

3. A foundation pit support structure according to claim 2, characterized in that: The other end of the extension column (301) is fixed to the inner wall of the left tube (101), and the fixing ring (300) is fixed to the side of the right tube (102).

4. A foundation pit support structure according to claim 3, characterized in that: 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 tube (101).

5. A foundation pit support structure according to claim 4, characterized in that: A limiting column (306) is fixedly arranged on the side of the mounting plate (304), and the end of the limiting column (306) passes through the interior of the limiting ring (305).

6. A foundation pit support structure according to claim 1, characterized in that: A hydraulic rod (200) is fixedly arranged on the top of the right tube (102), a movable rod (201) is arranged on the hydraulic rod (200), and the end of the movable rod (201) is fixedly connected to the fixing ring (300).

7. A foundation pit support structure according to claim 1, characterized in that: Support plates (100) are installed at both ends of the supporting steel pipe.

Images