A foundation pit anti-collapse device for construction engineering

Abstract

The utility model discloses a foundation pit anti-collapse device for construction engineering, including a foundation pit, a support structure is arranged on the top of the foundation pit, the support structure includes a connecting ring arranged on the top of the foundation pit, a connecting block is fixedly connected to the inner surface of the connecting ring, and a bracket is movably connected to the inner side of the connecting block through a pin shaft. The utility model carries the extrusion ring to move synchronously through a transmission structure, and uses an extension plate to extrude the bracket during the movement of the extrusion ring, so that the bracket swings with the pin shaft inside the connecting block as the axis. When the outer surface of the bracket contacts the inner wall of the foundation pit, the inner wall of the foundation pit is squeezed and supported to prevent collapse. The utility model can improve the adjustment method of the existing anti-collapse protection device, save the operation steps of correspondingly replacing the model of the anti-collapse protection device according to the needs of foundation pits with different diameters, and avoid affecting its operation.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a foundation pit anti-collapse device for construction engineering. Background Art

[0002] A construction project refers to an engineering entity formed through the construction of various types of buildings and their ancillary facilities and the installation of supporting lines, pipelines, and equipment. Specifically, a construction project is the planning, investigation, design, construction, completion and other technical work and completed engineering entities for the construction, reconstruction or expansion of buildings and ancillary structures and facilities, as well as the installation of supporting lines, pipelines, and equipment.

[0003] For example, the patent number disclosed in the China Patent Network is: 202122456346.0, and the patent name is: Foundation pit anti-collapse protection device, including: foundation pit, arc-shaped guard plate and flat guard plate are arranged on the outside of the foundation pit, the arc-shaped guard plate and one side of the flat guard plate are welded with vertical round tubes, the vertical round tube has a group of vertically arranged adjustment ports, the rotating rod is loaded into the vertical round tube, the rotating rod is welded with a U-shaped plug-in, the closed end of the U-shaped plug-in is located at the adjustment port, the arc-shaped guard plate and the other side of the flat guard plate are welded with a fixed column, the fixed column has a group of vertically arranged front flat sockets and rear flat sockets, the front end of the open end of the U-shaped plug-in is tightly fitted and inserted into the front flat socket, the rear end of the open end of the U-shaped plug-in is tightly fitted and inserted into the rear flat socket, and the fixed column, the front end and the rear end of the open end of the U-shaped plug-in are connected and fixed by screws. The utility model is used to protect the foundation pit from collapse.

[0004] However, the adjustment method of the existing anti-collapse protection device is relatively simple. Foundation pits with different diameters need to replace the model of the anti-collapse protection device accordingly according to needs. At the same time, the foundation pit that is squeezed and blocked is blocked, which affects its operation.

[0005] Therefore, it is necessary to design and modify the foundation pit anti-collapse device of the construction project. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a foundation pit anti-collapse device for construction projects, which has the advantage of easy adjustment of support dimensions, and solves the problem that the adjustment method of the existing anti-collapse protection device is relatively single, and the model of the anti-collapse protection device needs to be replaced accordingly according to the needs of foundation pits of different diameters, and the foundation pit is squeezed and blocked, which affects its operation.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foundation pit anti-collapse device for a construction project, comprising a foundation pit;

[0008] A supporting structure is provided on the top of the foundation pit, and the supporting structure includes a connecting ring provided on the top of the foundation pit, a connecting block is fixedly connected to the inner surface of the connecting ring, a bracket is movably connected to the inner side of the connecting block through a pin shaft, a side of the bracket away from the connecting block extends to the inside of the foundation pit, and a side of the bracket away from the connecting block contacts with the inner surface of the foundation pit, an extrusion ring is provided on the top of the connecting ring, an extension plate is fixedly connected to the side of the bracket close to the connecting block, and a side of the extension plate away from the bracket extends to the inside of the extrusion ring, and a transmission structure is provided on the top of the connecting ring, and the transmission structure can drive the extrusion ring to rise and fall.

[0009] As a preferred embodiment of the utility model, the transmission structure includes a vertical plate fixedly connected to the top of the connecting plate, the top of the vertical plate is movably connected to a screw via a bearing, the left side of the extrusion ring is fixedly connected to a transmission plate sleeved on the surface of the screw, and the transmission plate and the screw are threadedly connected.

[0010] As a preferred embodiment of the present invention, a guide rod is fixedly connected to the top of the vertical plate, and the guide rod passes through the transmission plate on the side away from the vertical plate and extends to the top of the transmission plate, and the transmission plate and the guide rod are slidably connected.

[0011] As a preferred embodiment of the utility model, the top of the vertical plate is fixedly connected to a support plate, the side of the support plate away from the vertical plate is sleeved on the surface of the screw, the top of the support plate is fixedly connected to a transmission motor, and the output end of the transmission motor is fixedly connected to the top of the screw.

[0012] As a preferred embodiment of the present invention, a reinforcing rib is fixedly connected to the bottom of the transmission plate, and a side of the reinforcing rib away from the transmission plate is fixedly connected to the surface of the extrusion ring.

[0013] As a preferred embodiment of the utility model, a connecting plate is fixedly connected to the outer surface of the connecting ring, an adjusting rod is threadedly connected to the surface of the connecting plate, and a supporting foot is fixedly connected to a side of the adjusting rod away from the connecting plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model carries the extrusion ring for synchronous movement through the transmission structure. During the movement of the extrusion ring, the extension plate is used to extrude the bracket, so that the bracket swings with the pin shaft inside the connecting block as the axis. When the outer surface of the bracket contacts the inner wall of the foundation pit, the inner wall of the foundation pit is squeezed and supported to prevent collapse. The utility model can improve the adjustment method of the existing anti-collapse protection device, save the operating steps of correspondingly replacing the model of the anti-collapse protection device according to the needs of foundation pits with different diameters, and avoid affecting its operation.

[0016] 2. The utility model can flexibly adjust the extrusion ring by arranging the screw rod and the transmission plate, and can simultaneously control the swinging of the extension plates.

[0017] 3. The utility model can limit the transmission plate by setting the guide rod, so as to avoid the transmission plate from tilting during the movement.

[0018] 4. The utility model can support the screw rod by arranging a support plate and a transmission motor, and can automatically drive the bidirectional screw rod to rotate.

[0019] 5. The utility model can increase the contact area between the transmission plate and the connecting ring by providing reinforcing ribs, thereby preventing the connection between the two from breaking.

[0020] 6. The utility model provides connecting plates and supporting feet, which makes it easy for users to adjust the position of the connecting ring to meet the support requirements of foundation pits of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0023] Figure 3 It is a schematic diagram of the partial structure of the utility model.

[0024] In the figure: 1. foundation pit; 2. supporting structure; 3. connecting ring; 4. connecting block; 5. bracket; 6. extrusion ring; 7. extension plate; 8. transmission structure; 9. vertical plate; 10. screw rod; 11. transmission plate; 12. guide rod; 13. support plate; 14. transmission motor; 15. reinforcing rib; 16. connecting plate; 17. adjustment rod; 18. support foot. DETAILED DESCRIPTION

[0025] 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.

[0026] like Figures 1 to 3 As shown, the utility model provides a foundation pit anti-collapse device for construction engineering, comprising a foundation pit 1;

[0027] A supporting structure 2 is provided at the top of the foundation pit 1, and the supporting structure 2 includes a connecting ring 3 arranged at the top of the foundation pit 1, and a connecting block 4 is fixedly connected to the inner surface of the connecting ring 3, and a bracket 5 is movably connected to the inner side of the connecting block 4 through a pin shaft, and the side of the bracket 5 away from the connecting block 4 extends to the inside of the foundation pit 1, and the side of the bracket 5 away from the connecting block 4 contacts with the inner surface of the foundation pit 1, and an extrusion ring 6 is provided on the top of the connecting ring 3, and an extension plate 7 is fixedly connected to the side of the bracket 5 close to the connecting block 4, and the extension plate 7 extends to the inside of the extrusion ring 6 away from the side of the bracket 5, and a transmission structure 8 is provided on the top of the connecting ring 3, and the transmission structure 8 can drive the extrusion ring 6 to rise and fall.

[0028] refer to Figure 3 The transmission structure 8 includes a vertical plate 9 fixedly connected to the top of the connecting plate 16, and the top of the vertical plate 9 is movably connected to a screw 10 through a bearing. The left side of the extrusion ring 6 is fixedly connected to a transmission plate 11 sleeved on the surface of the screw 10, and the transmission plate 11 and the screw 10 are threadedly connected.

[0029] As a technical optimization solution of the present invention, by providing the screw rod 10 and the transmission plate 11, the extrusion ring 6 can be flexibly adjusted, and the extension plates 7 can be controlled to swing at the same time.

[0030] refer to Figure 3 A guide rod 12 is fixedly connected to the top of the vertical plate 9. The side of the guide rod 12 away from the vertical plate 9 penetrates the transmission plate 11 and extends to the top of the transmission plate 11. The transmission plate 11 and the guide rod 12 are slidably connected.

[0031] As a technical optimization solution of the present invention, by providing the guide rod 12, the transmission plate 11 can be limited to avoid the transmission plate 11 from tilting during the movement.

[0032] refer to Figure 3 A support plate 13 is fixedly connected to the top of the vertical plate 9. The side of the support plate 13 away from the vertical plate 9 is sleeved on the surface of the screw 10. A transmission motor 14 is fixedly connected to the top of the support plate 13. The output end of the transmission motor 14 is fixedly connected to the top of the screw 10.

[0033] As a technical optimization solution of the utility model, by providing a support plate 13 and a transmission motor 14, the screw rod 10 can be supported and the bidirectional screw rod 10 can be automatically driven to rotate.

[0034] refer to Figure 3 A reinforcing rib 15 is fixedly connected to the bottom of the transmission plate 11 , and a side of the reinforcing rib 15 away from the transmission plate 11 is fixedly connected to the surface of the extrusion ring 6 .

[0035] As a technical optimization solution of the present invention, by providing the reinforcing ribs 15, the contact area between the transmission plate 11 and the connecting ring 3 can be increased to prevent the connection between the two from being broken.

[0036] refer to Figure 3 A connecting plate 16 is fixedly connected to the outer surface of the connecting ring 3 , an adjusting rod 17 is threadedly connected to the surface of the connecting plate 16 , and a supporting foot 18 is fixedly connected to the side of the adjusting rod 17 away from the connecting plate 16 .

[0037] As a technical optimization solution of the present invention, by providing the connecting plate 16 and the supporting feet 18, it is convenient for the user to adjust the position of the connecting ring 3 to meet the support requirements of foundation pits 1 with different diameters.

[0038] The working principle and use process of the utility model are as follows: when in use, first move the connecting ring 3 to the top of the foundation pit 1 through the supporting feet 18, and then start the transmission motor 14, the transmission motor 14 drives the screw 10 to rotate, and the screw 10 uses the thread to push the transmission plate 11 to move downward. During the movement of the transmission plate 11, the extrusion ring 6 is carried to move synchronously. During the movement of the extrusion ring 6, the extension plate 7 is used to extrude the bracket 5, so that the bracket 5 swings with the pin shaft inside the connecting block 4 as the axis. When the outer surface of the bracket 5 contacts the inner wall of the foundation pit 1, the inner wall of the foundation pit 1 is squeezed and supported to prevent collapse.

[0039] To sum up: the foundation pit anti-collapse device of the construction project carries the extrusion ring 6 for synchronous movement through the transmission structure 8. During the movement of the extrusion ring 6, the extension plate 7 is used to squeeze the bracket 5, so that the bracket 5 swings with the pin shaft inside the connecting block 4 as the axis. When the outer surface of the bracket 5 contacts the inner wall of the foundation pit 1, the inner wall of the foundation pit 1 is squeezed and supported to prevent collapse. The utility model can improve the adjustment method of the existing anti-collapse protection device, save the operating steps of correspondingly replacing the model of the anti-collapse protection device according to the needs of the foundation pit 1 with different diameters, and avoid affecting its operation.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] 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 foundation pit anti-collapse device for a construction project, comprising a foundation pit (1); Features: A support structure (2) is provided at the top of the foundation pit (1), and the support structure (2) comprises a connecting ring (3) provided at the top of the foundation pit (1); a connecting block (4) is fixedly connected to the inner surface of the connecting ring (3); a bracket (5) is movably connected to the inner side of the connecting block (4) via a pin shaft; a side of the bracket (5) away from the connecting block (4) extends to the inside of the foundation pit (1); a side of the bracket (5) away from the connecting block (4) contacts the inner surface of the foundation pit (1); an extrusion ring (6) is provided at the top of the connecting ring (3); an extension plate (7) is fixedly connected to the side of the bracket (5) close to the connecting block (4); a side of the extension plate (7) away from the bracket (5) extends to the inside of the extrusion ring (6); and a transmission structure (8) is provided at the top of the connecting ring (3); the transmission structure (8) can drive the extrusion ring (6) to rise and fall.

2. The foundation pit anti-collapse device for construction engineering according to claim 1, characterized in that: The transmission structure (8) comprises a vertical plate (9) fixedly connected to the top of the connecting plate (16); the top of the vertical plate (9) is movably connected to a screw rod (10) via a bearing; the left side of the extrusion ring (6) is fixedly connected to a transmission plate (11) sleeved on the surface of the screw rod (10); the transmission plate (11) and the screw rod (10) are threadedly connected.

3. The foundation pit anti-collapse device for construction engineering according to claim 2, characterized in that: A guide rod (12) is fixedly connected to the top of the vertical plate (9); a side of the guide rod (12) away from the vertical plate (9) penetrates the transmission plate (11) and extends to the top of the transmission plate (11); the transmission plate (11) and the guide rod (12) are slidably connected.

4. The foundation pit anti-collapse device for construction engineering according to claim 2, characterized in that: A support plate (13) is fixedly connected to the top of the vertical plate (9); a side of the support plate (13) away from the vertical plate (9) is sleeved on the surface of the screw rod (10); a transmission motor (14) is fixedly connected to the top of the support plate (13); an output end of the transmission motor (14) is fixedly connected to the top of the screw rod (10).

5. The foundation pit anti-collapse device for construction engineering according to claim 2, characterized in that: A reinforcing rib (15) is fixedly connected to the bottom of the transmission plate (11), and a side of the reinforcing rib (15) away from the transmission plate (11) is fixedly connected to the surface of the extrusion ring (6).

6. The foundation pit anti-collapse device for construction engineering according to claim 1, characterized in that: A connecting plate (16) is fixedly connected to the outer surface of the connecting ring (3), an adjusting rod (17) is threadedly connected to the surface of the connecting plate (16), and a support foot (18) is fixedly connected to the side of the adjusting rod (17) away from the connecting plate (16).

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