Foundation pit engineering slope reinforcing device
By introducing a hydraulic cylinder and a servo motor-driven sprocket and rack transmission system into the slope reinforcement device for foundation pit engineering, flexible adjustment of the slope reinforcement device is achieved, solving the problem of low efficiency in existing technologies and improving adaptability and efficiency.
Patent Information
- Application Number
- CN202520016847.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing slope reinforcement devices for foundation pit projects are inefficient when adjusted under different environments, requiring complete dismantling and reconstruction, which increases labor intensity.
The system employs a control and adjustment component, utilizing a hydraulic cylinder to drive the piston rod and slider, combined with a servo motor to drive the sprocket and gear rack transmission, to achieve rotation and lifting adjustment of the fixed protective plate, adapting to different slope angles and heights.
It improves the adaptability and adjustment efficiency of the reinforcement device, reduces the intensity of manual labor, and enables flexible adjustment of the slope height.
Smart Images

Figure CN223974581U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of reinforcement devices, specifically a slope reinforcement device for foundation pit engineering. Background Technology
[0002] In construction projects, when basements or underground structures need to be built, a foundation pit of a certain depth and area is excavated on the ground. Due to the natural angle of repose of the soil and to prevent soil collapse from affecting the surrounding environment, a slope with a certain inclination angle is formed around the foundation pit; this is the foundation pit slope.
[0003] Chinese Patent No. CN202323321650.X discloses a foundation pit slope support device for installation on a foundation pit, the foundation pit including a bottom wall and a foundation pit slope located on one side of the bottom wall and sloping upwards away from the bottom wall. The device is characterized by comprising: a second support body and a first support body connected vertically, the first support body being installed on the bottom wall of the foundation pit and forming an enclosed area with the foundation pit slope; a reinforcing member, the reinforcing member being located within the enclosed area and used to connect the first support body and the foundation pit slope; and scaffolding, the scaffolding being respectively installed on the upper part of the first support body and the upper part of the reinforcing member and used to support the second support body.
[0004] As can be seen from the above, the reinforcement device not only provides stable support for the scaffolding, but also plays a good role in resisting settlement during slope backfilling. However, this case also has the following shortcomings: when using reinforcement devices on deep foundation pits, the slopes of the foundation pits will have different angles and heights under different environments, so the reinforcement devices need to be adjusted accordingly. When adjusting and moving the existing technology, the entire fixing needs to be dismantled and then re-fixed, which results in low efficiency when adjustments are needed and increases the labor intensity of personnel.
[0005] Therefore, a slope reinforcement device for foundation pit engineering is proposed to address the above problems. Utility Model Content
[0006] To address the shortcomings of existing technologies and the need for corresponding adjustments to the reinforcement device, this utility model proposes a slope reinforcement device for foundation pit engineering.
[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: The slope reinforcement device for foundation pit engineering described in this utility model includes a main body and a control and adjustment component; the control and adjustment component is equipped with a plurality of second hydraulic cylinders, and a second piston rod is movably installed at the output end of the plurality of second hydraulic cylinders respectively. A slider is fixedly installed at one end of the second piston rod, a slide rail is movably installed on one side of the back of the slider, and a fixed protective plate is fixedly installed on the other side of the slide rail.
[0008] Preferably, the main body is equipped with two fixed rods, and a telescopic rod is movably installed on one side of each of the two fixed rods. A connecting shaft is movably installed through one side of each of the two telescopic rods, and a fixed protective plate is fixedly installed on each of the two connecting shafts.
[0009] Preferably, a first hydraulic cylinder is fixedly installed on the top of each of the two telescopic rods, and a first piston rod is movably installed on the output end of each of the two first hydraulic cylinders. One end of each of the two first piston rods is fixedly installed on the fixed rod.
[0010] Preferably, a mounting bracket is fixedly installed on one side of the fixed protective plate, a servo motor with a self-locking function is fixedly installed on one side of the bottom of the mounting bracket, a first sprocket is fixedly installed at the output end of the servo motor, a chain is driven and connected around the first sprocket, a second sprocket is driven and connected on the other side of the chain, and a rotating shaft is fixedly installed on one side of the back of the second sprocket.
[0011] Preferably, a support cylinder is movably mounted through the rotating shaft, a mounting bracket is fixedly mounted on one side of the support cylinder, a gear is fixedly mounted on one end of the rotating shaft, and a rack is connected to one side of the gear for transmission.
[0012] Preferably, two limiting plates are fixedly installed on one side of the fixed protective plate, a movable protective plate is movably installed between the two limiting plates, and a rack is fixedly installed on one side of the movable protective plate.
[0013] The advantages of this utility model are:
[0014] This invention, through the structural design of the control and adjustment component, uses a second hydraulic cylinder to drive the second piston rod to extend and retract, causing the slider to slide on the slide rail. This allows the fixed protective plate to rotate around the connection point between the telescopic rod and the connecting shaft, conforming to the slope of the foundation pit. If the slope is too high, a servo motor drives the first sprocket to rotate, which in turn drives the second sprocket via a chain, causing the rotating shaft to rotate inside the support cylinder. This rotates the gear, which meshes with the rack, converting the rotational motion into linear motion. This causes the movable protective plate to rise and fall within the limit plate, increasing the slope reinforcement height. This achieves the function of movable adjustment, solving the problem of needing to make corresponding adjustments to the reinforcement device and improving its adaptability in use. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is an exploded view of the overall structure of this utility model;
[0018] Figure 3 This is an exploded view of the control and adjustment component structure of this utility model;
[0019] Figure 4 For the present utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle;
[0020] Figure 5 This is an exploded view of the main structure of this utility model.
[0021] In the diagram: 1. Main body; 2. Control and adjustment assembly; 11. Fixed rod; 12. Telescopic rod; 13. First hydraulic cylinder; 14. First piston rod; 15. Connecting shaft; 21. Second hydraulic cylinder; 22. Second piston rod; 23. Slider; 24. Slide rail; 25. Fixed protective plate; 26. Gear; 27. Limiting plate; 28. Movable protective plate; 29. Rack; 31. Mounting bracket; 32. Servo motor; 33. First sprocket; 34. Chain; 35. Second sprocket; 36. Rotating shaft; 37. Support cylinder. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figures 1-5 As shown, a slope reinforcement device for foundation pit engineering includes a main body 1 and a control and adjustment component 2. The control and adjustment component 2 is equipped with a plurality of second hydraulic cylinders 21, and a second piston rod 22 is movably installed at the output end of the plurality of second hydraulic cylinders 21 respectively. A slider 23 is fixedly installed at one end of the second piston rod 22, a slide rail 24 is movably installed on one side of the back of the slider 23, and a fixed protective plate 25 is fixedly installed on the other side of the slide rail 24.
[0024] When the second hydraulic cylinder 21 is driven to work, the hydraulic energy is converted into mechanical energy to make the second piston rod 22 extend and retract within its inner wall. At this time, one end of the second piston rod 22 will drive the slider 23 to slide on the slide rail 24, which is beneficial to adjust and change the support point of the fixed protective plate 25.
[0025] Furthermore, the main body 1 is equipped with two fixed rods 11, and telescopic rods 12 are movably installed on one side of each of the two fixed rods 11. Connecting shafts 15 are movably installed through one side of each of the two telescopic rods 12, and fixed protective plates 25 are fixedly installed on the two connecting shafts 15.
[0026] During operation, the entire structure is fixed by the fixing rod 11. When the slider 23 moves, the support point changes. At this time, the fixed protective plate 25 will move in a circle around the connection between the telescopic rod 12 and the connecting shaft 15, which is beneficial for adapting to the slope of the foundation pit.
[0027] Furthermore, a first hydraulic cylinder 13 is fixedly installed on the top of each of the two telescopic rods 12, and a first piston rod 14 is movably installed on the output end of each of the two first hydraulic cylinders 13. One end of each of the two first piston rods 14 is fixedly installed on the fixed rod 11.
[0028] During operation, when the first hydraulic cylinder 13 is driven to run, the first piston rod 14 extends and retracts within its inner wall. As one end of the first piston rod 14 is fixed to the fixed rod 11, the telescopic rod 12 will extend and retract synchronously within the inner wall of the fixed rod 11, which is beneficial for adjusting the position of the fixed protective plate 25.
[0029] Furthermore, a mounting bracket 31 is fixedly installed on one side of the fixed protective plate 25, a servo motor 32 with a self-locking function is fixedly installed on the bottom side of the mounting bracket 31, a first sprocket 33 is fixedly installed at the output end of the servo motor 32, a chain 34 is driven and connected around the first sprocket 33, a second sprocket 35 is driven and connected on the other side of the chain 34, and a rotating shaft 36 is fixedly installed on the back side of the second sprocket 35.
[0030] During operation, power is provided by the installation of servo motor 32. When driven, the first sprocket 33 at the output end rotates. Through the cooperation of the first sprocket 33, chain 34 and second sprocket 35, the rotational power is transmitted to the rotating shaft 36.
[0031] Furthermore, a support cylinder 37 is installed through and movably mounted on the rotating shaft 36. A mounting bracket 31 is fixedly mounted on one side of the support cylinder 37. A gear 26 is fixedly mounted on one end of the rotating shaft 36. A rack 29 is connected to one side of the gear 26 for transmission.
[0032] During operation, the rotating shaft 36 drives the gear 26 to rotate synchronously. One side of the rotating shaft 36 meshes with the rack 29. At this time, the rotational motion of the rotating shaft 36 will be converted into the linear motion of the rack 29, which is beneficial to drive the rack 29 to perform corresponding lifting and lowering.
[0033] Furthermore, two limiting plates 27 are fixedly installed on one side of the fixed protective plate 25, and a movable protective plate 28 is movably installed between the two limiting plates 27. A rack 29 is fixedly installed on one side of the movable protective plate 28.
[0034] During operation, one side of the rack 29 is fixed to the movable protective plate 28. When the rack 29 moves, it drives the movable protective plate 28 to rise and fall synchronously, thereby increasing the overall protective height.
[0035] Working principle: By driving the second hydraulic cylinder 21, the second piston rod 22 at the output end is extended and retracted. At this time, the slider 23 fixed at one end of the second piston rod 22 will slide on the slide rail 24 accordingly. A fixed protective plate 25 is fixed on the other side of the slide rail 24. When the slider 23 moves, the support point changes. At this time, the fixed protective plate 25 will rotate around the connection between the telescopic rod 12 and the connecting shaft 15, adjusting the angle of the fixed protective plate 25 accordingly, so that the fixed protective plate 25 fits against one side of the pit slope. When the slope height is too high, the servo motor 32 drives the first sprocket 33 at the output end to rotate. The first sprocket 33 drives the chain 34 and the second sprocket 35, causing the shaft 36 fixed at one end of the second sprocket 35 to rotate in the support cylinder 37. The other end of the shaft 36 is fixed with a gear 26, and one side of the gear 26 meshes with the rack 29, thereby converting the rotational motion of the gear 26 into the linear motion of the rack 29. This causes the rack 29 to drive the movable protective plate 28 to rise and fall accordingly within the limiting plate 27, increasing the overall slope reinforcement height.
[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A slope reinforcement device for foundation pit engineering, characterized in that: Including the main body (1), control and adjust the assembly (2), the control and adjust the assembly (2) is installed with a plurality of second hydraulic cylinders (21), and the output end of a plurality of second hydraulic cylinders (21) is movably installed with second piston rod (22) respectively, one end of second piston rod (22) is fixedly installed with sliding block (23), the back side of sliding block (24) is movably installed with sliding rail (23), the other side of sliding rail (24) is fixedly installed with fixed guard plate (25).
2. The device for reinforcing the slope of a foundation pit according to claim 1, characterized in that: The main body (1) is installed with two fixed rods (11), and the side of the two fixed rods (11) is movably installed with telescopic rod (12) respectively, and the side of the two telescopic rods (12) is respectively penetrated and movably installed with connecting shaft (15), and the two connecting shafts (15) are fixedly installed with fixed guard plate (25).
3. The device for reinforcing the slope of a foundation pit according to claim 2, characterized in that: The top of the two telescopic rods (12) is fixedly installed with first hydraulic cylinder (13) respectively, and the output end of the two first hydraulic cylinders (13) is movably installed with first piston rod (14) respectively, and one end of the two first piston rods (14) is fixedly installed with the fixed rod (11).
4. The device for reinforcing the slope of foundation pit engineering according to claim 1, characterized in that: The side of the fixed guard plate (25) is fixedly installed with mounting bracket (31), and the bottom side of the mounting bracket (31) is fixedly installed with servo motor (32) with self-locking function, the output end of the servo motor (32) is fixedly installed with first sprocket (33), the periphery of the first sprocket (33) is drivingly connected with chain (34), the other side of the chain (34) is drivingly connected with second sprocket (35), and the back side of the second sprocket (35) is fixedly installed with rotating shaft (36).
5. The device for reinforcing the slope of a foundation pit according to claim 4, characterized in that: The rotating shaft (36) penetrates and movably installs support cylinder (37), and the side of the support cylinder (37) is fixedly installed with mounting bracket (31), one end of the rotating shaft (36) is fixedly installed with gear (26), and the side of the gear (26) is drivingly connected with rack (29).
6. The device for reinforcing the slope of a foundation pit according to claim 4, characterized in that: The side of the fixed guard plate (25) is fixedly installed with two limit plates (27), and the movable guard plate (28) is movably installed between the two limit plates (27), and the side of the movable guard plate (28) is fixedly installed with rack (29).
Citation Information
Patent Citations
Foundation pit slope support device
CN221399013U