Adjustable foundation pit support supporting device
By combining the support plate and telescopic plate structure with the design of the rotating frame and telescopic frame, the problems of complex adjustment and poor support of existing foundation pit retaining support devices are solved, and convenient adjustment and stable support effect are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-20
AI Technical Summary
The existing foundation pit retaining support device has a complex adjustment structure, is not easy to adjust, and has poor support, which can easily lead to the collapse of the support device.
The structure adopts a combination of support plate and telescopic plate, and the width can be adjusted by sliding groove and locking groove. Combined with rotating frame and telescopic frame, a triangular stable structure is formed. It is fixed to the ground by bolt connection and fixing nail, which enhances the support stability.
It enables convenient adjustment and enhances the stability of the support device, preventing the collapse of the support device and adapting to the support requirements of different foundation pit shapes and sizes.
Smart Images

Figure CN224016331U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of foundation pit construction, and specifically to an adjustable foundation pit enclosure support device. BACKGROUND
[0002] A foundation pit is a soil pit excavated at a foundation design position according to a foundation elevation and a foundation plan size. Before excavation, an excavation scheme needs to be determined according to geological and hydrological data in combination with the situation of nearby buildings, and waterproofing and drainage work needs to be done well. In order to ensure the safety of underground structure construction and the environment around the foundation pit, reinforcement and protection measures need to be taken for the side walls of the foundation pit and the environment around the foundation pit during construction.
[0003] For example, a publicly announced number CN113235607B is named a splicing type inner support device for foundation pit, which includes four telescopic edge plate mechanisms and four diagonal mechanisms. The four telescopic edge plate mechanisms are arranged in a rectangle. The end portions of the two adjacent telescopic edge plate mechanisms are detachably fixedly connected through the diagonal mechanisms. The bolts outside the rotating reinforcing plates are tightened to tightly attach the telescopic edge plate mechanisms to one side of the diagonal blocks. In this way, the four diagonal blocks of the support device can be quickly spliced with the telescopic edge plate mechanisms.
[0004] The above-mentioned device has the problems of complex adjustment structure for adjusting the enclosure support device according to the foundation pit, inconvenient adjustment, poor support, and easy collapse of the support device during use. Therefore, we propose an adjustable foundation pit enclosure support device to solve the above-mentioned problems. Utility model content
[0005] The utility model aims to provide an adjustable foundation pit enclosure support device to solve the above-mentioned problems in the background art, i.e., the complex adjustment structure for adjusting the enclosure support device according to the foundation pit, inconvenient adjustment, poor support, and easy collapse of the support device during use.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an adjustable foundation pit enclosure support device, including a support plate.
[0007] Further comprising:
[0008] The sliding groove is integrally arranged in the inside of the support plate, and one side of the sliding groove is communicated with one side of the outside of the support plate, the telescopic plate is slidably clamped in the inside of the sliding groove, and one end of the telescopic plate extends out of the outside of the sliding groove, the first clamping groove is integrally arranged on the rear end surface of the support plate and is communicated with the inside of the sliding groove, the rotary frame is arranged on the top of the inside of the first clamping groove, the upper ends of the two sides of the rotary frame swing in the inside of the first clamping groove through the rotating shafts, the telescopic frame is arranged on the bottom of the rotary frame, and the bottom of the telescopic frame is arranged in an inclined mode, the movable groove is integrally arranged in the inside of the telescopic frame, and the bottom of the rotary frame is slidably clamped in the inside of the movable groove.
[0009] Preferably, the lower half of the two sides of the telescopic frame is provided with the second clamping groove, and the second clamping groove is communicated with the inside of the movable groove, the resisting plate is arranged in the inside of the second clamping groove, the upper ends of the two sides of the resisting plate are connected with the second clamping groove through the rotating shafts, and the resisting plate rotates in the inside of the second clamping groove through the rotating shafts.
[0010] Preferably, the rear end surface of the telescopic frame is provided with the first limiting bolt, and the first limiting bolt is in contact with the rotary frame through the screw hole in the surface of the telescopic frame.
[0011] Preferably, the surface of the end of the telescopic plate away from the support plate is provided with the threaded hole, the two sides of the upper and lower of the end of the support plate away from the telescopic plate are symmetrically provided with the connecting frame, the telescopic plate and the other group of support plates are clamped and connected through the connecting frame, the surface of the connecting frame is provided with the first connecting hole, the telescopic plate and the connecting frame are connected through the bolt, and the bolt is screw-connected with the threaded hole through the first connecting hole.
[0012] Preferably, the surface of the resisting plate is provided with the second connecting hole, the resisting plate is fixed on the ground through the fixing nails, and the fixing nails are inserted into the ground through the second connecting hole.
[0013] Preferably, the side of the rear end of the support plate close to the telescopic plate is provided with the second limiting bolt, and the second limiting bolt is in contact with the telescopic plate through the screw hole in the surface of the support plate.
[0014] Preferably, the surface of the side of the rear end of the telescopic plate away from the support plate is provided with the limiting groove, the triangular supporting frame is arranged in the inside of the limiting groove, the connecting seat is arranged on one side of the limiting groove, one side of the triangular supporting frame is provided with the connecting groove, and the connecting seat and the connecting groove are clamped through the rotating shaft.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] (1), by setting support plate and telescopic plate, can according to the width of foundation pit to adjust the distance between support plate and telescopic plate, telescopic plate is engaged in the sliding groove inside the support plate, by telescopic plate in the sliding groove inside the sliding to adjust the width between, support plate and telescopic plate form support structure, support and fix one side of foundation pit, through bolt connection makes adjacent two groups of support structure to connect, so that the support structure can be along the inner wall of the foundation pit and can be adjusted.
[0017] (2), by setting rotating frame and telescopic frame at the rear end of the support plate, telescopic frame is telescopic at the bottom of the rotating frame, after the device is fitted on the surface of the foundation pit, the rotating frame and telescopic frame are turned out from the inside of the first clamping groove, and the position of the telescopic frame is adjusted, so that the bottom of the telescopic frame is fitted on the ground, thereby forming a triangular stable structure to improve the supporting effect of the support plate, the stop plate is arranged at the bottom of the telescopic frame on both sides, the stop plate is turned over and fitted on the ground, the fixing nails are inserted into the ground through the stop plate, so as to fix the position of the stop plate, thereby improving the stability. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the overall structure schematic diagram of the utility model;
[0019] Figure 2 It is the overall structure storage schematic diagram of the utility model;
[0020] Figure 3 It is the rotating frame and telescopic frame side view section of the utility model;
[0021] Figure 4 It is the A structure of the utility model enlarged view;
[0022] In the drawing: 1, support plate; 2, telescopic plate; 3, telescopic frame; 4, rotating frame; 5, stop plate; 6, first clamping groove; 7, sliding groove; 8, limiting groove; 9, triangular support frame; 10, connecting seat; 11, connecting frame; 12, first connecting hole; 13, screw hole; 14, first limiting bolt; 15, second clamping groove; 16, movable slot; 17, second connecting hole; 18, connecting groove; 19, second limiting bolt. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0024] The utility model provides a adjustable foundation pit support device, and the device includes support plate 1. The utility model mainly solves the problem that the adjusting structure of the support device is relatively complex, inconvenient to adjust and poor in supporting during use of the above device, which can cause the support device to collapse.
[0025] For the device provided by the utility model, please refer to Figures 1-4 , which will be described in detail below.
[0026] The sliding groove 7 is integrally formed in the inside of the support plate 1, and one side of the sliding groove 7 is communicated with one side of the outside of the support plate 1; the telescopic plate 2 is slidably connected in the inside of the sliding groove 7, and one end of the telescopic plate 2 extends out of the outside of the sliding groove 7; the second limiting bolt 19 is installed on the side of the rear end of the support plate 1 close to the telescopic plate 2, and the second limiting bolt 19 is in contact with the telescopic plate 2 through the threaded hole on the surface of the support plate 1; the position of the telescopic plate 2 after adjustment is locked by tightening the second limiting bolt 19; the first clamping groove 6 is integrally formed on the surface of the rear end of the support plate 1, and the first clamping groove 6 is communicated with the inside of the sliding groove 7; the rotating frame 4 is installed on the inside of the first clamping groove 6, and the upper ends of the two sides of the rotating frame 4 are swung in the inside of the first clamping groove 6 through the rotating shaft; the telescopic frame 3 is installed on the bottom of the rotating frame 4, and the bottom of the telescopic frame 3 is inclined; the movable groove 16 is integrally formed in the inside of the telescopic frame 3, and the bottom of the rotating frame 4 is slidably connected in the inside of the movable groove 16; the first limiting bolt 14 is arranged on the surface of the rear end of the telescopic frame 3, and the first limiting bolt 14 is in contact with the rotating frame 4 through the threaded hole on the surface of the telescopic frame 3, so that the telescopic frame 3 after adjustment can be locked and fixed.
[0027] For further description, please refer to Figure 3 ; the lower half of the two sides of the telescopic frame 3 is provided with the second clamping groove 15, and the second clamping groove 15 is communicated with the inside of the movable groove 16; the resisting plate 5 is installed in the inside of the second clamping groove 15; the upper ends of the two sides of the resisting plate 5 are connected with the second clamping groove 15 through the rotating shaft, and the resisting plate 5 is rotated in the inside of the second clamping groove 15 through the rotating shaft; the second connecting hole 17 is arranged on the surface of the resisting plate 5; the resisting plate 5 is fixed to the ground through the fixing nails, and the fixing nails are inserted into the ground through the second connecting hole 17; two groups of the resisting plate 5 can increase the supporting force by sticking to the ground when the telescopic frame 3 is supported by the two groups of the resisting plate 5, and the resisting plate 5 is supported and fixed by inserting the fixing nails into the ground through the connecting holes on the surface of the resisting plate 5.
[0028] For further description, please refer to Figure 2Further illustrate that the surface of the end of the telescopic plate 2 away from the support plate 1 is provided with a threaded hole 132, the upper and lower sides of the end of the support plate 1 away from the telescopic plate 2 are symmetrically provided with a connecting frame 11, and the telescopic plate 2 and another group of support plates 1 are connected through the connecting frame 11, the surface of the connecting frame 11 is provided with a first connecting hole 12, and the telescopic plate 2 and the connecting frame 11 are connected through a bolt, and the bolt is screwed through the first connecting hole 12 and the threaded hole 13, and the two adjacent support structures are connected by using the bolt, so that the surrounding support structures can be connected according to the shape of the foundation pit, thereby improving the stability.
[0029] Please refer to Figure 4 Further illustrate that the surface of the end of the telescopic plate 2 away from the support plate 1 is provided with a threaded hole 132, the upper and lower sides of the end of the support plate 1 away from the telescopic plate 2 are symmetrically provided with a connecting frame 11, and the telescopic plate 2 and another group of support plates 1 are connected through the connecting frame 11, the surface of the connecting frame 11 is provided with a first connecting hole 12, and the telescopic plate 2 and the connecting frame 11 are connected through a bolt, and the bolt is screwed through the first connecting hole 12 and the threaded hole 13, and the two adjacent support structures are connected by using the bolt, so that the surrounding support structures can be connected according to the shape of the foundation pit, thereby improving the stability.
[0030] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.
Claims
1. An adjustable foundation pit retaining support device, comprising a support plate (1); Its features are: Also includes: A sliding groove (7) is integrally formed inside the support plate (1), and one side of the sliding groove (7) is connected to the outer side of the support plate (1). A telescopic plate (2) is slidably engaged inside the sliding groove (7), and one end of the telescopic plate (2) extends out of the outer side of the sliding groove (7). A first engaging groove (6) is integrally formed on the rear surface of the support plate (1), and the first engaging groove (6) is connected to the inside of the sliding groove (7). A rotating frame (4) is installed above the inside of the first engaging groove (6), and the upper ends of both sides of the rotating frame (4) swing inside the first engaging groove (6) through a rotating shaft. A telescopic frame (3) is installed at the bottom of the rotating frame (4), and the bottom of the telescopic frame (3) is inclined. An movable groove (16) is integrally formed inside the telescopic frame (3), and the bottom of the rotating frame (4) is slidably engaged inside the movable groove (16).
2. The adjustable foundation pit support device according to claim 1, characterized in that: The lower half of both sides of the telescopic frame (3) is provided with a second engaging groove (15), and the second engaging groove (15) is connected to the interior of the movable groove (16). A stop plate (5) is installed inside the second engaging groove (15). The upper ends of both sides of the stop plate (5) are connected to the second engaging groove (15) through a rotating shaft, and the stop plate (5) rotates inside the second engaging groove (15) through the rotating shaft.
3. The adjustable foundation pit support device according to claim 1, characterized in that: The rear end surface of the telescopic frame (3) is provided with a first limiting bolt (14), and the first limiting bolt (14) passes through the screw hole on the surface of the telescopic frame (3) and contacts the rotating frame (4).
4. The adjustable foundation pit support device according to claim 1, characterized in that: The telescopic plate (2) has a threaded hole (13) on the surface of the end away from the support plate (1). The support plate (1) has connecting frames (11) symmetrically arranged on the upper and lower sides of the end away from the telescopic plate (2). The telescopic plate (2) and the other set of support plates (1) are connected by the connecting frames (11). The surface of the connecting frame (11) has a first connecting hole (12). The telescopic plate (2) and the connecting frame (11) are connected by bolts. The bolts pass through the first connecting hole (12) and the threaded hole (13) for threaded connection.
5. An adjustable foundation pit support device according to claim 2, characterized in that: The surface of the abutment (5) is provided with a second connecting hole (17). The abutment (5) is fixed to the ground by a fixing nail, and the fixing nail passes through the second connecting hole (17) and is inserted into the ground.
6. The adjustable foundation pit support device according to claim 1, characterized in that: A second limiting bolt (19) is installed on the side of the support plate (1) near the telescopic plate (2) at the rear end, and the second limiting bolt (19) passes through the screw hole on the surface of the support plate (1) and contacts the telescopic plate (2).
7. The adjustable foundation pit support device according to claim 1, characterized in that: The telescopic plate (2) has a limiting groove (8) on the side surface away from the support plate (1) at the rear end. A triangular support frame (9) is installed inside the limiting groove (8). A connecting seat (10) is installed on one side of the limiting groove (8). A connecting groove (18) is provided on one side of the triangular support frame (9). The connecting seat (10) and the connecting groove (18) are engaged by a rotating shaft.
Citation Information
Patent Citations
An adjustable splicing type foundation pit support device
CN113235607B