CN219793934U - A foundation pit supporting and retaining wall structure - Google Patents

Abstract

The utility model relates to the technical field of support, in particular to a foundation pit support retaining wall structure, which comprises a first guard plate and a support bin, wherein the bottom end of the first guard plate is hinged with the upper surface of the support bin, an angle adjusting mechanism for adjusting the inclination angle of the first guard plate is movably arranged between the upper surface of the support bin and the side wall of the first guard plate, the angle adjusting mechanism comprises a support column, the two ends of the support column are respectively hinged with the support bin and the first guard plate, a limiting mechanism for fixing the first guard plate is arranged between the first guard plate and the support column, the first guard plate and the support bin are stably fixed on the vertical surface and the ground of a foundation pit, the supporting effect of the device on the side wall of the foundation pit is improved, collapse of the foundation pit is avoided, the safety of staff in the foundation pit is guaranteed, and the practicability is improved.

Description

A foundation pit supporting and retaining wall structure

Technical field

The utility model relates to the technical field of support, specifically a foundation pit support retaining wall structure.

Background technique

Foundation pit support is a method of supporting, reinforcing and protecting the side walls of the foundation pit and the surrounding environment to ensure the safety of underground structure construction and the surrounding environment. With the rapid development of high-rise buildings, foundation pits will become more and more popular. As the foundation pit becomes larger and deeper, the construction of the supporting structure of the foundation pit will become more and more difficult, so the support and protection work of the foundation pit becomes particularly important.

For example, the utility model patent with the Chinese patent publication number CN204898683U discloses a high-strength foundation pit support structure. The above-mentioned existing support structure is only pressed on the side wall of the foundation pit through anchor nets. The support effect is poor, and in severe cases, it is easy to cause the collapse of the foundation pit, thereby affecting the safety of workers inside the foundation pit. At the same time, the installation process of the anchor net is more cumbersome, so a foundation pit support retaining wall structure is needed to solve the above problem. The problem.

Utility model content

(1) Technical problems solved

In view of the shortcomings of the existing technology, the utility model provides a method to stably fix the first guard plate and the support bin on the facade and ground of the foundation pit, which improves the device's supporting effect on the side walls of the foundation pit and avoids the Causes collapse, ensures the safety of workers inside the foundation pit, and improves the practicality of the foundation pit supporting retaining wall structure.

(2) Technical solutions

In order to achieve the above purpose, the present utility model provides the following technical solution: a foundation pit support retaining wall structure, including a first guard plate and a support warehouse, the bottom end of the first guard plate is hinged with the upper surface of the support warehouse , an angle adjustment mechanism for adjusting the inclination angle of the first guard plate is movable between the upper surface of the support bin and the side wall of the first guard plate. The angle adjustment mechanism includes a pillar, and two sides of the pillar The ends are respectively hinged with the support bin and the first guard plate, and a limiting mechanism for fixing the first guard plate is provided between the first guard plate and the pillar.

Preferably, the angle adjustment mechanism further includes a slider that can move along the support bin. The support bin is provided with a second chute and a slider is slidably connected in the second chute. The top of the slider is fixed. A top plate is provided, one end of the pillar is hingedly connected to the top plate, the other end of the pillar is fixedly provided with a first connector, and the side wall of the first guard plate is fixedly provided with a hinged connector that is hinged to the first connector. the second connector.

Preferably, the support chamber has a cavity structure and has several bearing seats vertically arranged inside. A first screw is installed transversely between the bearing seats, and the first screw passes through the slider and is connected with all the bearing seats. The slider is threadedly connected, a first gear is fixedly installed on one end of the first screw, and a rotating shaft is vertically installed on the upper surface of the supporting chamber. The rotating shaft can rotate around the central axis of the rotating shaft and the rotating shaft A second gear is fixedly installed at the bottom end of the slider. The second gear meshes with the first gear to drive the first screw to rotate around the central axis of the first screw, causing the slider to translate along the first screw.

Preferably, the limiting mechanism includes a rotating plate, the rotating plate is arranged on the side wall of the pillar and the rotating plate can rotate around the central axis of the rotating plate, and the side of the rotating plate away from the pillar is hinged with a second A screw rod, the bottom end of the second screw rod is threadedly connected to a fixed column, the bottom end of the fixed column is hinged with a seventh connector, and the side of the seventh connector away from the fixed column is fixedly installed on the first guard plate. on the side wall.

Preferably, a fixing groove is provided at the top of the first guard plate and is slidably connected to the second guard plate.

Further, a plurality of fixing forks are fixedly installed on the first guard plate, the second guard plate and the outer side walls of the support chamber.

Furthermore, a fixing plate is fixedly installed on the upper surface of the support bin. The fixing plate is provided with a first chute and is slidingly connected with the slider to ensure that the slider moves smoothly.

Based on the previous solution, the rotating shaft penetrates the fixed plate and a rotating disk is fixedly installed on the top end.

Furthermore, a handle is fixedly installed on the top of the rotating disk.

(3) Beneficial effects

Compared with the existing technology, this utility model provides a foundation pit supporting and retaining wall structure, which has the following features:

Beneficial effects:

The foundation pit support retaining wall structure effectively supports and supports the foundation pit through the first guard plate and the support warehouse. It is screwed to the foundation pit through the slide block and the first screw rod, and the first chute pair on the fixed plate. Under the limit of the slide block, the first screw rotates and simultaneously drives the slide block to perform transverse translation operations. The top plate, pillars, first connectors and second connectors are simultaneously driven by the slide block translation operations. Adjust the angle of the first guard plate, which is suitable for foundation pits with different side wall inclinations, so that the first guard plate and the support bin can be stably fixed on the facade and ground of the foundation pit, improving the device's ability to detect the side walls of the foundation pit. The supporting effect prevents collapse of the foundation pit and ensures the safety of workers inside the foundation pit. At the same time, the supporting retaining wall structure of the foundation pit is easy to install and use, and can be recycled and reused after the construction is completed, improving the practicality.

Description of the drawings

Figure 1 is a schematic cross-sectional structural diagram of the front view of the utility model;

Figure 2 is a schematic cross-sectional structural diagram of a partial top view of the utility model;

Figure 3 is an enlarged structural schematic diagram of part A in Figure 1 of the present utility model;

Figure 4 is an enlarged structural schematic diagram of part B in Figure 1 of the present utility model;

Figure 5 is an enlarged structural schematic diagram of part C in Figure 1 of the present invention.

Markings in the drawings: 1. First guard plate; 2. Support chamber; 3. Fixed plate; 4. First chute; 5. Slider; 6. First screw; 7. Bearing seat; 8. First gear ; 9. Second gear; 10. Rotating shaft; 11. Top plate; 12. Support pillar; 13. First connecting piece; 14. Second connecting piece; 15. Rotating plate; 16. Second screw; 17. Fixed column; 18. The seventh connecting piece; 19. The second guard plate; 20. Fixed fork; 21. Rotating plate; 22. Handle.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Example

Please refer to Figure 1. A foundation pit support retaining wall structure includes a first guard plate 1 and a support chamber 2. The bottom end of the first guard plate 1 is hinged with the upper surface of the support chamber 2. The upper surface of the support chamber 2 and An angle adjustment mechanism for adjusting the inclination angle of the first guard plate 1 is movable between the side walls of the first guard plate 1. The first guard plate 1 can rotate around the hinge point to adapt to the side walls of different inclinations in the foundation pit. The angle adjustment mechanism includes a pillar 12. The two ends of the pillar 12 are respectively hinged with the support chamber 2 and the first guard plate 1. A limiting mechanism for fixing the first guard plate 1 is provided between the first guard plate 1 and the pillar 12.

Please refer to Figures 1 and 3. The angle adjustment mechanism also includes a slider 5 that can move along the support bin 2. The support bin 2 is provided with a second chute and a slider 5 is slidably connected in the second chute. A top plate 11 is fixedly provided on the top. One end of the pillar 12 is hingedly connected to the top plate 11 . The other end of the pillar 12 is fixedly provided with a first connector 13 . The side wall of the first guard plate 1 is fixedly provided with a hinged connector 13 that is hinged to the first connector 13 . The second connecting piece 14.

With reference to Figure 5, the support warehouse 2 has a cavity structure and has several bearing seats 7 vertically arranged inside. A first screw 6 is installed in a transverse rotation between the bearing seats 7. The first screw 6 passes through the slider 5 and is connected with the slider. 5 threaded connection, the first gear 8 is fixedly installed at one end of the first screw 6, and the rotating shaft 10 is vertically installed on the upper surface of the support chamber 2. The rotating shaft 10 can rotate around the central axis of the rotating shaft 10 and the bottom end of the rotating shaft 10 A second gear 9 is fixedly installed. The second gear 9 meshes with the first gear 8 to drive the first screw 6 to rotate around the central axis of the first screw 6, causing the slider 5 to translate along the first screw 6 and pass through the first guard plate. 1 and the support warehouse 2, to carry out effective support and support operations for the foundation pit, are screwed through the slider 5 and the first screw 6, and under the limitation of the slider 5 by the first chute 4 on the fixed plate 3, Thereby, the first screw 6 rotates while simultaneously driving the slider 5 to perform transverse translation operations. The top plate 11, the pillar 12, the first connector 13 and the second connector 14 are synchronously driven by the slider 5 while translating. Adjust the angle of the first guard plate 1 so that the first guard plate 1 and the support chamber 2 are stably fixed on the facade and ground of the foundation pit, which improves the device's support effect on the side walls of the foundation pit and prevents the foundation from being damaged. The pit causes collapse, ensuring the safety of workers inside the foundation pit and improving practicality.

With reference to Figure 4, the limiting mechanism includes a rotating plate 15. The rotating plate 15 is arranged on the side wall of the pillar 12 and the rotating plate 15 can rotate around the central axis of the rotating plate 15. The side of the rotating plate 15 away from the pillar 12 is hinged with a second The bottom end of the screw rod 16 and the second screw rod 16 is threadedly connected to a fixing post 17. The bottom end of the fixing post 17 is hinged with a seventh connector 18. The side of the seventh connector 18 away from the fixation post 17 is fixedly installed on the first guard plate. On the side wall of 1, the second screw rod 16 and the fixed column 17 are screwed together, so that the rotation of the second screw rod 16 synchronously drives the fixed column 17 and the second screw rod 16 to adjust the length, so that the column 12 and the first screw rod 17 are screwed together. Effective support and fixation work is carried out between the guard plates 1.

Specifically, a fixing groove is provided at the top of the first guard plate 1 and is slidably connected to a second guard plate 19. By installing the second guard plate 19, it is convenient for the first guard plate 1 to support a higher foundation pit.

Further, a plurality of fixing forks 20 are fixedly installed on the outer walls of the first guard plate 1, the second guard plate 19 and the support chamber 2. By installing the fixed forks 20, the first guard plate 1, the support chamber 2 and the support chamber 2 are improved. The stability of the second guard plate 19 when supporting the foundation pit.

Referring to Figure 2, a fixing plate 3 is fixedly installed on the upper surface of the support bin 2. The fixing plate 3 is provided with a first chute 4 and is slidingly connected with the slider 5 to ensure that the slider 5 moves smoothly.

Furthermore, the rotating shaft 10 penetrates the fixed plate 3 and a rotating disk 21 is fixedly installed on the top end. By installing the rotating disk 21, the stability of the worker when rotating the rotating shaft 10 is improved.

Furthermore, a handle 22 is fixedly installed on the top of the rotating plate 21. By installing the handle 22, it is convenient for workers to rotate the rotating plate 21.

In summary, when the foundation pit support retaining wall structure is in use, the fixing fork 20 at the bottom of the support bin 2 is fixed to the bottom end of the foundation pit, so that the support bin 2 is stably fixed on the ground of the foundation pit, and the handle is rotated 22 synchronously drives the rotating disk 21 and the rotating shaft 10 to rotate. When the rotating shaft 10 rotates, the second gear 9 and the first gear 8 mesh with each other, thereby synchronously driving the second gear 9 and the first gear. 8 and the first screw 6 are rotated, and the slide block 5 is screwed with the first screw 6, so that the slide block 5 performs transverse translation operations under the limit of the first chute 4 on the fixed plate 3. 5 simultaneously drives the top plate 11, the pillar 12, the first connector 13 and the second connector 14 at the top of the slider 5 to simultaneously drive the first guard plate 1 to adjust the angle, and rotates the first screw 6 At the same time, the second screw rod 16 is rotated synchronously, and the second screw rod 16 and the fixed column 17 are screwed together, so that the length of the second screw rod 16 and the fixed column 17 is adjusted, so that the second screw rod 16 and the fixed column 17 are screwed. The two screws 16 effectively support the pillars 12 and the first guard plate 1, and slide the top of the first guard plate 1 through the second guard plate 19 to support the facade of the deeper foundation pit. It can be used for foundation pits with different side wall inclinations, so that the first guard plate 1 and the support chamber 2 can be stably fixed on the facade and ground of the foundation pit, which improves the device's support effect on the side walls of the foundation pit and avoids the The pit causes collapse, ensuring the safety of workers inside the foundation pit. At the same time, the foundation pit supporting retaining wall structure is easy to install and use, and can be recycled and reused after the construction is completed, improving the practicality of the device.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A foundation pit support and retaining wall structure, including a first guard plate (1) and a support warehouse (2), characterized in that: the bottom end of the first guard plate (1) is in contact with the support warehouse (2) ) is hinged on its upper surface, and an angle adjustment mechanism for adjusting the inclination angle of the first guard plate (1) is movable between the upper surface of the support compartment (2) and the side wall of the first guard plate (1). , the angle adjustment mechanism includes a pillar (12), the two ends of the pillar (12) are respectively hinged with the support compartment (2) and the first guard plate (1), the first guard plate (1) and the pillar (1) 12) is provided with a limiting mechanism for fixing the first guard plate (1). 2. A foundation pit support retaining wall structure according to claim 1, characterized in that: the angle adjustment mechanism further includes a slider (5) movable along the support bin (2), and the support The warehouse (2) is provided with a second chute, and a slider (5) is slidably connected in the second chute. A top plate (11) is fixedly installed on the top of the slider (5), and one end of the pillar (12) Hinged with the top plate (11), the other end of the pillar (12) is fixedly provided with a first connecting piece (13), and the side wall of the first guard plate (1) is fixedly provided with a first connecting piece (13). The connecting piece (13) is hinged to the second connecting piece (14). 3. A foundation pit support and retaining wall structure according to claim 2, characterized in that: the support warehouse (2) is a cavity structure and has several bearing seats (7) vertically arranged inside, and several bearing seats (7) are vertically arranged inside. A first screw (6) is installed transversely between the bearing seats (7). The first screw (6) passes through the slide block (5) and is threadedly connected with the slide block (5). A first gear (8) is fixedly installed on one end of a screw (6), and a rotation axis (10) is vertically installed on the upper surface of the support chamber (2). The rotation axis (10) can revolve around the rotation axis (10) The central axis of the rotating shaft (10) rotates and a second gear (9) is fixedly installed on the bottom end of the rotating shaft (10). The second gear (9) meshes with the first gear (8) to drive the first screw (6). ) rotates around the central axis of the first screw (6), causing the slider (5) to translate along the first screw (6). 4. A foundation pit supporting and retaining wall structure according to claim 1, characterized in that: the limiting mechanism includes a rotating plate (15), and the rotating plate (15) is arranged on the pillar (12) On the side wall of the rotating plate (15), the rotating plate (15) can rotate around the central axis of the rotating plate (15). A second screw (16) is hinged on the side of the rotating plate (15) away from the pillar (12). The bottom end of the screw rod (16) is threadedly connected to a fixed column (17), and the bottom end of the fixed column (17) is hinged with a seventh connecting piece (18). The seventh connecting piece (18) is away from the fixed column (17). ) is fixedly mounted on the side wall of the first guard plate (1). 5. A foundation pit support and retaining wall structure according to claim 1, characterized in that: a fixing groove is opened at the top of the first guard plate (1) and a second guard plate (19) is slidably connected. 6. A foundation pit supporting and retaining wall structure according to claim 5, characterized in that: the first guard plate (1), the second guard plate (19) and the outer side walls of the support bin (2) A plurality of fixed forks (20) are fixedly installed. 7. A foundation pit support and retaining wall structure according to claim 3, characterized in that: a fixing plate (3) is fixedly installed on the upper surface of the support bin (2), and the fixing plate (3) penetrates A first chute (4) is provided and is slidingly connected with the slider (5) to ensure that the slider (5) moves smoothly. 8. A foundation pit supporting and retaining wall structure according to claim 7, characterized in that the rotating shaft (10) penetrates the fixed plate (3) and a rotating disk (21) is fixedly installed at the top. 9. A foundation pit supporting and retaining wall structure according to claim 8, characterized in that: a handle (22) is fixedly installed on the top of the rotating disk (21).