CN222575498U

CN222575498U - A foundation pit support

Info

Publication number: CN222575498U
Application number: CN202420623084.3U
Authority: CN
Inventors: 郭城
Original assignee: Inner Mongolia Yitai Cto Co ltd
Current assignee: Inner Mongolia Yitai Cto Co ltd
Priority date: 2024-03-28
Filing date: 2024-03-28
Publication date: 2025-03-07
Anticipated expiration: 2034-03-28

Abstract

The utility model belongs to the field of building construction, and discloses a foundation pit support, which comprises two supporting devices, four pairs of sliding devices, a rotating device and a fixing plate, wherein the two supporting devices are symmetrically arranged front and back and are used for being fixed in a plugging manner and being closely attached to the side face of a supporting foundation pit, the four pairs of sliding devices are arranged on opposite faces of the two supporting devices and are used for adjusting supporting positions in a vertical sliding manner, the rotating devices are arranged between the pairs of sliding devices and are used for rotating and adjusting supporting angles and rotating and switching supporting forms, the sliding devices comprise sliding rails, sliding blocks are slidably arranged in the sliding rails, and the fixing plates are arranged on the sliding blocks. The foundation pit support realizes double-form switching of single-sided support and double-sided support through setting of sliding adjustment support positions and rotation adjustment support angles, meets different support requirements, improves use flexibility through setting of rotation adjustment support angles, meets different support heights through setting of sliding adjustment support positions, and accordingly meets foundation pits with different depths.

Description

Foundation pit support

Technical Field

The utility model belongs to the field of building construction, and particularly relates to a foundation pit support.

Background

In the use of foundation pit for building engineering construction, in order to ensure the safety of underground structure construction and the surrounding environment of the foundation pit, foundation pit support is usually installed in the foundation pit, and the support is a supporting, reinforcing and protecting measure adopted for the side wall and the surrounding environment in order to ensure the safety of underground structure construction and the surrounding environment of the foundation pit.

The chinese patent of contrast grant bulletin number CN220598460U discloses a foundation ditch support stake, including first enclosure wall, the outer wall fixedly connected with first fixed plate of first enclosure wall, the inner wall of first fixed plate rotates and is connected with first axis of rotation, the outer wall fixedly connected with support column of first axis of rotation, the outer wall fixedly connected with second fixed plate of first enclosure wall, the inner wall of second fixed plate rotates and is connected with the second pivot, the outer wall fixedly connected with first screw sleeve of second pivot, the inner wall threaded connection of first screw sleeve has first lead screw, the outer wall fixedly connected with first handle of first lead screw, the outer wall fixedly connected with second lead screw of first handle, the outer wall threaded connection of second lead screw has the second screw sleeve, the outer wall fixedly connected with of second screw sleeve is in the outer wall of second axis of rotation.

The arrangement of the two-sided support is adopted in the patent, the single side of the foundation pit cannot be supported independently, and the application range is limited. A new device is thus designed.

Disclosure of utility model

The present utility model is directed to a foundation pit support, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The foundation pit support comprises two supporting devices which are symmetrically arranged front and back and are used for inserting, fixing and pushing the side surface of a supporting foundation pit, four pairs of sliding devices which are arranged on opposite surfaces of the two supporting devices and used for adjusting the supporting position in a vertical sliding manner, and a rotating device which is used for rotating, adjusting the supporting angle and switching the supporting form in a rotating manner is arranged between the pairs of sliding devices;

The sliding device comprises a sliding rail, a sliding block is arranged in the sliding rail in a sliding manner, a fixed plate is arranged on the sliding block, a fixed pin is arranged on the fixed plate, and a pin hole is formed in the sliding rail;

The rotating device comprises a rotating rod, two rotating clamps are symmetrically arranged at two ends of the rotating rod, a rotating shaft is arranged between the rotating clamps and the rotating rod, a clamping plate is arranged at one end of the rotating shaft, and a clamping nut is arranged at one end, far away from the clamping plate, of the rotating shaft.

The supporting device comprises a supporting plate, two mounting grooves are symmetrically formed in two sides of the back of the supporting plate, a plurality of inserting rods are uniformly arranged on the supporting plate and are connected with the supporting plate in an inserting and pulling mode, a tip is arranged at the rear end of each inserting rod, and a pressing plate is arranged at the front end of each inserting rod.

The fixing plate and the sliding block are integrally formed, the fixing pin is in threaded connection with the fixing plate, and the diameter of the fixing pin is smaller than the aperture of the pin hole.

Further, the rotating shaft is rotationally connected with the rotating rod, and friction layers are arranged on the opposite surfaces of the rotating rod and the rotating clamp.

Further, the clamping nut is in threaded connection with the rotating shaft.

Further, the pressing plate is round in shape, and the pressing plate is connected with the inserting rod in a welding mode.

Compared with the prior art, the beneficial effects are that:

1. The double-form switching of single-side support and double-side support is realized by setting the sliding adjustment support position and the rotation adjustment support angle, so that different support requirements are met;

2. The flexibility of use is improved by rotating and adjusting the setting of the supporting angle;

3. through the setting of slip regulation support position, satisfied different supporting heights to satisfy the foundation ditch of different degree of depth.

Drawings

FIG. 1 is a schematic view of a foundation pit support according to the present utility model;

FIG. 2 is an enlarged view of a portion of a foundation pit support according to the present utility model;

FIG. 3 is a schematic view of a single-sided support configuration of a foundation pit support according to the present utility model;

FIG. 4 is an isometric view of a support apparatus for foundation pit support according to the present utility model;

FIG. 5 is an isometric view of a foundation pit support slide according to the present utility model;

Fig. 6 is an isometric view of a turning device for foundation pit support according to the present utility model.

Reference numerals include 101, a support plate, 102, a mounting groove, 103, a plunger, 104, a tip, 105, a pressing plate, 201, a sliding rail, 202, a sliding block, 203, a fixing plate, 204, a fixing pin, 205, a pin hole, 301, a rotating rod, 302, a rotating clamp, 303, a rotating shaft, 304, a clamping plate, 305 and a clamping nut.

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.

Referring to fig. 1-6, a foundation pit support comprises two supporting devices which are symmetrically arranged in front and back and used for fixing and pushing the side surface of a supporting foundation pit in a plugging manner, four pairs of sliding devices which are arranged on opposite surfaces of the two supporting devices and used for adjusting supporting positions in a vertical sliding manner, and a rotating device which is used for adjusting supporting angles in a rotating manner and switching supporting forms in a rotating manner is arranged between the pairs of sliding devices.

In the embodiment, the supporting device comprises a supporting plate 101, two mounting grooves 102 are symmetrically formed in two sides of the back of the supporting plate 101, a plurality of inserting rods 103 are uniformly arranged on the supporting plate 101, the inserting rods 103 are connected with the supporting plate 101 in an inserting mode, tips 104 are arranged at the rear ends of the inserting rods 103, pressing plates 105 are arranged at the front ends of the inserting rods 103, the pressing plates 105 are circular in shape, the pressing plates 105 are welded with the inserting rods 103, when two sides of a foundation pit are supported, the supporting plate 101 is tightly attached to the two sides of the foundation pit, the inserting rods 103 are inserted into the side faces of the foundation pit under the action of the tips 104 by hammering the pressing plates 105, and therefore four rotating devices between the mounting grooves 102 of the two supporting plates 101 support four corners of the two supporting plates 101 from four points, and therefore the side faces of the foundation pit are supported;

The sliding device comprises a sliding rail 201, a sliding block 202 is arranged in the sliding rail 201 in a sliding manner, a fixed plate 203 is arranged on the sliding block 202, a fixed pin 204 is arranged on the fixed plate 203, a pin hole 205 is formed in the sliding rail 201, the fixed plate 203 and the sliding block 202 are integrally formed, the fixed pin 204 is in threaded connection with the fixed plate 203, the diameter of the fixed pin 204 is smaller than the aperture of the pin hole 205, the fixed pin 204 is screwed out of the pin hole 205 under the support of the fixed plate 203, the locking of the sliding block 202 is released, the sliding block 202 moves up and down along the sliding rail 201, the support position is adjusted, and after the adjustment is completed, the fixed pin 204 is screwed into the corresponding pin hole 205 again to be fixed;

In this embodiment, the rotating device includes a rotating rod 301, two rotating clamps 302 are symmetrically disposed at two ends of the rotating rod 301, a rotating shaft 303 is disposed between the rotating clamps 302 and the rotating rod 301, a clamping plate 304 is disposed at one end of the rotating shaft 303, a clamping nut 305 is disposed at one end of the rotating shaft 303 far away from the clamping plate 304, the rotating shaft 303 is rotatably connected with the rotating rod 301, the clamping nut 305 is in threaded connection with the rotating shaft 303, friction layers are disposed on opposite surfaces of the rotating rod 301 and the rotating clamps 302, when single-sided support is needed, the front supporting plate 101 is firstly abutted against the side surface to be supported, the inserting rod 103 is inserted into the side surface, then the locking of the sliding blocks 202 is released in the above process, after all sliding blocks 202 are slid to the middle upper position of the sliding rail 201, the sliding blocks 202 are fixed again, then the clamping nut 305 is unscrewed, the restriction of the rotating clamps 302 on the rotating rod 301 is released, at this moment, the rotating rod 301 can rotate around the rotating shaft 303, finally the rear supporting plate 101 is rotated under the support of the rotating rod 301 to be horizontally abutted against the ground, after the inserting rod 103 is inserted into the ground, the clamping nut 304 is pulled through the rotating shaft 303 to clamp the rotating clamps 302, thereby the two sides of the supporting plate 301 are vertically supported by the rotating rod 301, and finally the single-sided support is realized.

The working principle is that when two sides of a foundation pit are supported, support plates 101 are tightly attached to the two sides of the foundation pit, a pressing plate 105 is hammered to enable an inserting rod 103 to be inserted into the side surface of the foundation pit under the action of a tip 104, a sliding device is installed in a mounting groove 102, a fixing pin 204 is screwed out of a pin hole 205 under the support of a fixing plate 203, the locking of the sliding block 202 is released, the sliding block 202 drives a rotating rod 301 to move up and down along a sliding rail 201 through a rotating clamp 302, the supporting position is adjusted, after the adjustment is completed, the fixing pin 204 is screwed into the corresponding pin hole 205 again to enable four rotating rods 301 between the two support plates 101 to support the two support plates 101 from four points, when single-sided support is needed, the front support plate 101 is tightly attached to the side surface to be supported, the inserting rod 103 is inserted into the side surface, then the process is repeated, the locking of the sliding block 202 is released, after all the sliding block 202 is slid to the middle upper position of the sliding rail 201, at this time, the sliding block 202 is fixed, then the clamping nut 305 is loosened, the rotating clamp 302 is used for limiting the rotating rod 301, the rotating rod 301 can rotate around a rotating shaft 303, finally, the rear support plate 101 is screwed down to the corresponding pin hole 205, the rotating rod 101 is tightly clamped from four points, the four rotating rods 301 are tightly, when the single-sided support plate 101 is tightly supported by the supporting rods, and the single-sided support plate 101 is tightly, and finally, and the rotating rod 301 is tightly clamped by the rotating rod 301 through the rotating clamp nut and the rotating clamp 301, and finally, and the rotating rod is tightly fixed.

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 support comprises two supporting devices which are symmetrically arranged in the front-back direction and used for being inserted into the ground to fix and push the side surfaces of a supporting foundation pit, and is characterized by also comprising four pairs of sliding devices which are arranged on opposite surfaces of the two supporting devices and used for sliding up and down to adjust the supporting positions, wherein a rotating device used for rotating and adjusting the supporting angle and rotating and switching the supporting form is arranged between the pairs of sliding devices;

The sliding device comprises a sliding rail (201), a sliding block (202) is arranged in the sliding rail (201), a fixed plate (203) is arranged on the sliding block (202), a fixed pin (204) is arranged on the fixed plate (203), and a pin hole (205) is formed in the sliding rail (201);

The rotating device comprises a rotating rod (301), two rotating clamps (302) are symmetrically arranged at two ends of the rotating rod (301), a rotating shaft (303) is arranged between the rotating clamps (302) and the rotating rod (301), a clamping plate (304) is arranged at one end of the rotating shaft (303), and a clamping nut (305) is arranged at one end, far away from the clamping plate (304), of the rotating shaft (303).

2. The foundation pit support according to claim 1, wherein the supporting device comprises a supporting plate (101), two mounting grooves (102) are symmetrically formed in two sides of the back of the supporting plate (101), a plurality of inserting rods (103) are uniformly arranged on the supporting plate (101), the inserting rods (103) are connected with the supporting plate (101) in an inserting and pulling mode, tips (104) are arranged at the rear ends of the inserting rods (103), and pressing plates (105) are arranged at the front ends of the inserting rods (103).

3. A foundation pit support according to claim 1, wherein the fixing plate (203) is integrally formed with the slider (202), the fixing pin (204) is screwed with the fixing plate (203), and the diameter of the fixing pin (204) is smaller than the diameter of the pin hole (205).

4. A foundation pit support according to claim 1, wherein the rotating shaft (303) is rotatably connected with the rotating rod (301), and friction layers are arranged on the opposite surfaces of the rotating rod (301) and the rotating clamp (302).

5. A foundation pit support according to claim 1, wherein the clamping nut (305) is screwed with the rotation shaft (303).

6. A foundation pit support according to claim 2, wherein the pressure plate (105) is circular in shape, and the pressure plate (105) is welded to the insert rod (103).