Foundation pit support structure capable of improving supporting efficiency
Through the motor-driven threaded rod and bevel gear mechanism, the installation and support process of the protective plate is automatically controlled, which solves the problems of waste of human resources and difficulty in adjusting the support height in the existing technology, and realizes efficient support and improved wear resistance of the foundation pit retaining structure.
Patent Information
- Application Number
- CN202422769746.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-11-14
AI Technical Summary
The existing foundation pit retaining structure requires manual operation by construction workers during the support process, resulting in a waste of human resources and the inability to effectively adjust the support height.
A motor-driven threaded rod and bevel gear mechanism is used, combined with height adjustment and level adjustment mechanisms, to automatically control the installation and support process of the protective plate. The motor-driven threaded rod drives the movable frame and the protective plate to adjust the position, and the positioning mechanism and spring are used to support the protective plate.
The automatic installation and height adjustment of the protective plate are realized, which reduces the waste of human resources, improves the support efficiency and practicality, and enhances the wear resistance of the protective plate.
Smart Images

Figure CN223305025U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of foundation pit technology, and in particular to a foundation pit retaining structure with improved support efficiency. Background Art
[0002] A construction term that refers to a method used to develop and utilize underground space, constructing various underground structures such as multi-story basements, subways, and underground commercial streets. Examples include gravity-mixed pile retaining walls, underground continuous walls, and pile-column retaining walls.
[0003] In the patent with the published authorization announcement number CN219862845U, the utility model relates to the field of foundation pit technology, specifically a foundation pit enclosure structure, including a fixed bin and two protective plates, the bottom of the fixed bin is fixedly connected to a support column, the bottom of the support column is fixedly connected to a support plate, an adjustment component is provided on the fixed bin, and an installation component is provided on the fixed bin, the installation component includes two installation bins, the front of the installation bin is rotatably connected to a second rotating rod, the outer side of the second rotating rod is fixedly connected to a disc, and the front of the disc is hinged with two connecting rods. The foundation pit enclosure structure, by providing an installation component, uses a clamping block to fix and restrict the protective plates, which facilitates the installation and removal of the two protective plates. When not in use, the user can flexibly remove the protective plates without the aid of tools, thereby facilitating their loading and transportation, making it easier for users to use and improving the practicality of the device.
[0004] When the above device is implemented, the threaded rod is moved in a directional manner on the inner side of the rotating cylinder by rotating the rotating cylinder, driving the protective plate to support the foundation pit. However, the existing foundation pit retaining structure for improving support efficiency requires construction workers to manually limit the protective plate, resulting in a waste of human resources. Utility Model Content
[0005] In view of the shortcomings of the existing technology, the present invention provides a foundation pit retaining structure with improved support efficiency, overcomes the shortcomings of the existing technology, and aims to solve the problems in the background technology.
[0006] In order to achieve the above-mentioned objectives, the present application adopts the following technical solutions: a foundation pit retaining structure for improving support efficiency, comprising a base, a height adjustment mechanism provided on the top of the base, four horizontal adjustment mechanisms provided on the surface of the base, the four horizontal adjustment mechanisms symmetrically arranged on the surface of the base, a rotation mechanism provided on the top of the height adjustment mechanism, a fixing frame fixedly connected to both sides of the rotation mechanism, two positioning mechanisms symmetrically arranged on the surface of the fixing frame, a protective plate slidably connected to one side of the fixing frame, a limiting mechanism provided on the side of the protective plate close to the base, the limiting mechanism comprising a support rod, the support rod is fixedly connected to the protective plate, the outside of the support rod is slidably connected to a mounting frame, the mounting frame is fixedly connected to the base, the internal thread of the mounting frame is connected to a second bolt, the bottom of the second bolt is rotatably connected to the positioning plate, and the positioning plate is slidably connected to the mounting frame.
[0007] As a preferred embodiment, a plurality of ground nails are fixedly connected to the bottom of the base, and the plurality of ground nails are evenly distributed on the bottom of the base.
[0008] By adopting the above technical solution, a number of ground nails are evenly distributed on the bottom of the base, and the base is fixed by inserting the ground nails into the bottom of the foundation pit, so that the base can be better fixed.
[0009] As a preferred embodiment, the height adjustment mechanism includes a sleeve rod, which is fixedly connected to the base, a second motor is fixedly connected to the inside of the sleeve rod, an output end of the second motor is fixedly connected to a third threaded rod, an external thread of the third threaded rod is connected to a movable frame, and the movable frame is slidably connected to the sleeve rod.
[0010] By adopting the above technical solution, the second motor is fixed by the sleeve rod, and the output end of the second motor rotates to drive the third threaded rod to rotate, and the third threaded rod rotates to drive the movable frame to move inside the sleeve rod, so that the movable frame can be better moved inside the sleeve rod.
[0011] As a preferred embodiment, the horizontal adjustment mechanism includes a fixed block, which is fixedly connected to the base. The internal thread of the fixed block is connected to a first bolt, and the bottom of the first bolt is rotatably connected to a positioning block.
[0012] By adopting the above technical solution, the first bolt is positioned by the fixing block, and the first bolt is rotated to make the positioning block at the bottom of the first bolt contact the ground for horizontal adjustment of the base, so that the base can be better adjusted horizontally.
[0013] As a preferred embodiment, the rotation mechanism includes a first motor, the first motor is fixedly connected to the movable frame, the output end of the first motor is fixedly connected to a driving bevel gear, one side of the driving bevel gear is meshed with a driven bevel gear, one side of the driven bevel gear is fixedly connected to a first threaded rod, the side of the driven bevel gear away from the first threaded rod is fixedly connected to a second threaded rod, the thread direction of the second threaded rod is opposite to that of the first threaded rod, the second threaded rod and the first threaded rod are both rotatably connected to the movable frame, the outer sides of the second threaded rod and the first threaded rod are threadedly connected to the movable rod, and the side of the movable rod away from the movable frame is fixedly connected to the fixed frame.
[0014] By adopting the above technical solution, a driving bevel gear is fixedly connected to the output end of the first motor, and the driving bevel gear rotates to drive the driven bevel gear to rotate, and the driven bevel gear rotates to drive the second threaded rod and the first threaded rod to rotate, and the second threaded rod and the first threaded rod rotate to drive the moving rod to rotate, and the moving rod rotates to push the protective plate to contact the foundation pit to support the foundation pit, which can better support the foundation pit.
[0015] As a preferred embodiment, the positioning mechanism includes a positioning frame, the positioning frame is fixedly connected to the fixing frame, a positioning rod is slidably connected inside the positioning frame, and a spring is sleeved outside the positioning rod.
[0016] By adopting the above technical solution, the positioning rod is limited by the positioning frame, and then the positioning rod is inserted into the interior of the protective plate, and then the positioning rod is supported by the spring, so that the protective plate and the fixing frame can be better connected.
[0017] As a preferred embodiment, a controller is fixedly connected to the surface of the sleeve rod, and the controller is electrically connected to the second motor.
[0018] By adopting the above technical solution, a controller is fixedly connected to the surface of the sleeve rod, the controller is electrically connected to the second motor, and the controller controls the switch of the second motor, which can better control the switch of the second motor.
[0019] As a preferred embodiment, a wear-resistant plate is fixedly connected to the surface of the protective plate.
[0020] By adopting the above technical solution, the wear-resistant plate is fixedly connected to the surface of the protective plate, and the wear-resistant plate enhances the wear resistance of the protective plate, so that the protective plate can be better protected.
[0021] Beneficial effects of this application:
[0022] 1. A foundation pit retaining structure with improved support efficiency is provided with a mounting frame, a second bolt, a positioning plate and a support rod. The support rod is slid inside the mounting frame by pulling the protective plate, and then the second bolt inside the mounting frame is rotated to make the positioning plate at the bottom of the second bolt contact the surface of the support rod to position the support rod, and then the support rod limits and supports the protective plate, thereby avoiding the problem of manual restriction of the protective plate by construction workers and waste of human resources in the existing foundation pit retaining structure with improved support efficiency, thereby improving practicality.
[0023] 2. This foundation pit retaining structure with improved support efficiency is equipped with a second motor, a third threaded rod, a movable frame and a sleeve rod. The second motor is fixed by the sleeve rod, and the output end of the second motor rotates to drive the third threaded rod to rotate, and the third threaded rod rotates to drive the movable frame to move inside the sleeve rod. This avoids the problem of the existing foundation pit retaining structure with improved support efficiency that the support column cannot be adjusted in height, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic diagram of the front structure of this application;
[0025] Figure 2 This is a schematic diagram of the rotating mechanism structure of this application;
[0026] Figure 3 This is a schematic diagram of the limiting mechanism structure of this application;
[0027] Figure 4 This is a schematic diagram of the positioning mechanism structure of this application.
[0028] Numbers in the figure: 1. base; 2. horizontal adjustment mechanism; 21. first bolt; 22. fixed block; 23. positioning block; 3. rotating mechanism; 31. first motor; 32. driving bevel gear; 33. driven bevel gear; 34. first threaded rod; 35. moving rod; 36. second threaded rod; 4. height adjustment mechanism; 41. second motor; 42. third threaded rod; 43. moving frame; 44. sleeve rod; 5. limiting mechanism; 51. mounting frame; 52. second bolt; 53. positioning plate; 54. support rod; 6. positioning mechanism; 61. positioning rod; 62. spring; 63. positioning frame; 7. fixing frame; 8. protective plate; 9. controller; 10. ground nail. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.
[0030] Reference Figures 1-4A foundation pit retaining structure for improving support efficiency includes a base 1, and a plurality of ground nails 10 are fixedly connected to the bottom of the base 1. The plurality of ground nails 10 are evenly distributed on the bottom of the base 1; by evenly distributing the plurality of ground nails 10 on the bottom of the base 1 and then inserting the ground nails 10 into the bottom of the foundation pit to fix the base 1, the base 1 can be better fixed.
[0031] Reference Figure 1-Figure 2 A height adjustment mechanism 4 is provided on the top of the base 1, and the height adjustment mechanism 4 includes a sleeve rod 44, which is fixedly connected to the base 1, and a second motor 41 is fixedly connected to the inside of the sleeve rod 44, and the output end of the second motor 41 is fixedly connected to the third threaded rod 42, and the external thread of the third threaded rod 42 is connected to a movable frame 43, and the movable frame 43 is slidably connected to the sleeve rod 44; the second motor 41 is fixed by the sleeve rod 44, and then the output end of the second motor 41 rotates to drive the third threaded rod 42 to rotate, and then the third threaded rod 42 rotates to drive the movable frame 43 to move inside the sleeve rod 44, which can better enable the movable frame 43 to move inside the sleeve rod 44.
[0032] Reference Figure 1 The surface of the base 1 is provided with four horizontal adjustment mechanisms 2, and the four horizontal adjustment mechanisms 2 are symmetrically arranged on the surface of the base 1. The horizontal adjustment mechanism 2 includes a fixed block 22, which is fixedly connected to the base 1. The internal thread of the fixed block 22 is connected to the first bolt 21, and the bottom of the first bolt 21 is rotatably connected to the positioning block 23; the first bolt 21 is positioned by the fixed block 22, and then the first bolt 21 is rotated to make the positioning block 23 at the bottom of the first bolt 21 contact the ground to perform horizontal adjustment on the base 1, so that the base 1 can be better adjusted horizontally.
[0033] Reference Figure 1-Figure 3, a rotating mechanism 3 is provided on the top of the height adjustment mechanism 4, and both sides of the rotating mechanism 3 are fixedly connected to a fixed frame 7, the rotating mechanism 3 includes a first motor 31, the first motor 31 is fixedly connected to the mobile frame 43, the output end of the first motor 31 is fixedly connected to the driving bevel gear 32, one side of the driving bevel gear 32 is meshed with a driven bevel gear 33, one side of the driven bevel gear 33 is fixedly connected to a first threaded rod 34, and the side of the driven bevel gear 33 away from the first threaded rod 34 is fixedly connected to a second threaded rod 36, the thread direction of the second threaded rod 36 is opposite to that of the first threaded rod 34, and the second threaded rod 36 and the first threaded rod 34 are both fixed to the mobile frame 43 The second threaded rod 36 and the first threaded rod 34 are both threadedly connected to the moving rod 35 on the outside, and the moving rod 35 is fixedly connected to the fixed frame 7 on the side away from the moving frame 43; the output end of the first motor 31 is fixedly connected to the driving bevel gear 32, and then the driving bevel gear 32 rotates to drive the driven bevel gear 33 to rotate, and then the driven bevel gear 33 rotates to drive the second threaded rod 36 and the first threaded rod 34 to rotate, and then the second threaded rod 36 and the first threaded rod 34 rotate to drive the moving rod 35 to rotate, and then the moving rod 35 rotates to push the protective plate 8 to resist the foundation pit to support the foundation pit, which can better support the foundation pit.
[0034] Reference Figure 4 Two positioning mechanisms 6 are symmetrically provided on the surface of the fixing frame 7. A protective plate 8 is slidably connected to one side of the fixing frame 7. The positioning mechanism 6 includes a positioning frame 63. The positioning frame 63 is fixedly connected to the fixing frame 7. The interior of the positioning frame 63 is slidably connected to a positioning rod 61, and a spring 62 is sleeved on the outside of the positioning rod 61. The positioning rod 61 is limited by the positioning frame 63, and then the positioning rod 61 is inserted into the interior of the protective plate 8, and then the positioning rod 61 is supported by the spring 62, so that the protective plate 8 and the fixing frame 7 can be better connected.
[0035] Reference Figure 1-Figure 3 A limiting mechanism 5 is provided on the side of the protective plate 8 close to the base 1. The limiting mechanism 5 includes a support rod 54, which is fixedly connected to the protective plate 8. The outside of the support rod 54 is slidably connected to a mounting bracket 51, and the mounting bracket 51 is fixedly connected to the base 1. The internal thread of the mounting bracket 51 is connected to a second bolt 52, and the bottom of the second bolt 52 is rotatably connected to a positioning plate 53, and the positioning plate 53 is slidably connected to the mounting bracket 51.
[0036] Reference Figure 1 The surface of the sleeve rod 44 is fixedly connected with a controller 9, and the controller 9 is electrically connected to the second motor 41; the surface of the sleeve rod 44 is fixedly connected with a controller 9, and the controller 9 is electrically connected to the second motor 41, and then the controller 9 controls the switch of the second motor 41, which can better control the switch of the second motor 41.
[0037] Reference Figure 1 , the surface of the protective plate 8 is fixedly connected with a wear-resistant plate; the surface of the protective plate 8 is fixedly connected with a wear-resistant plate, and the wear-resistant plate enhances the wear resistance of the protective plate 8, so that the protective plate 8 can be better protected.
[0038] Working principle: Insert the ground nail 10 into the bottom of the foundation pit to fix the base 1, and then use the fixed block 22 to position the first bolt 21, and then rotate the first bolt 21 to make the positioning block 23 at the bottom of the first bolt 21 touch the ground to adjust the base 1 horizontally, and then use the positioning frame 63 to limit the positioning rod 61, and then insert the positioning rod 61 into the inside of the protective plate 8, and then use the spring 62 to support the positioning rod 61, which can better connect the protective plate 8 with the fixed frame 7, and then use the sleeve rod 44 to fix the second motor 41, and then the output end of the second motor 41 rotates to drive the third threaded rod 42 to rotate, and then the third threaded rod 42 rotates to drive the movable frame 43 to move inside the sleeve rod 44, and then the third threaded rod 42 rotates to drive the movable frame 43 to move inside the sleeve rod 44, and then the third The output end of a motor 31 is fixedly connected to a driving bevel gear 32, and the driving bevel gear 32 rotates to drive the driven bevel gear 33 to rotate, and the driven bevel gear 33 rotates to drive the second threaded rod 36 and the first threaded rod 34 to rotate, and the second threaded rod 36 and the first threaded rod 34 rotate to drive the moving rod 35 to rotate, and the moving rod 35 rotates to push the protective plate 8 to contact the foundation pit to support the foundation pit, and then the protective plate 8 is pulled to make the support rod 54 slide inside the mounting frame 51, and then the second bolt 52 inside the rotating mounting frame 51 is used to make the positioning plate 53 at the bottom of the second bolt 52 contact the surface of the support rod 54 to position the support rod 54, and then the support rod 54 limits and supports the protective plate 8.
[0039] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "two ends," "one end," "the other end," and the like, indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0040] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0041] The present invention has been described above with reference to specific embodiments. However, those skilled in the art should understand that these descriptions are merely illustrative and are not intended to limit the scope of protection of the present invention. Those skilled in the art may make various modifications and variations to the present invention based on the spirit and principles of the present invention, and such modifications and variations are also within the scope of the present invention.
Claims
1. A foundation pit retaining structure for improving support efficiency, comprising a base (1), characterized in that: The top of the base (1) is provided with a height adjustment mechanism (4), the surface of the base (1) is provided with four horizontal adjustment mechanisms (2), the four horizontal adjustment mechanisms (2) are symmetrically arranged on the surface of the base (1), the top of the height adjustment mechanism (4) is provided with a rotation mechanism (3), both sides of the rotation mechanism (3) are fixedly connected to a fixing frame (7), the surface of the fixing frame (7) is symmetrically provided with two positioning mechanisms (6), one side of the fixing frame (7) is slidably connected to a protective plate (8), the side of the protective plate (8) close to the base (1) is provided with a limiting mechanism (5), the limiting mechanism (5) comprises a support rod (54), the support rod (54) is fixedly connected to the protective plate (8), the outside of the support rod (54) is slidably connected to a mounting frame (51), the mounting frame (51) is fixedly connected to the base (1), the internal thread of the mounting frame (51) is connected to a second bolt (52), the bottom of the second bolt (52) is rotatably connected to a positioning plate (53), and the positioning plate (53) is slidably connected to the mounting frame (51).
2. A foundation pit retaining structure for improving support efficiency according to claim 1, characterized in that: A plurality of ground nails (10) are fixedly connected to the bottom of the base (1), and the plurality of ground nails (10) are evenly distributed on the bottom of the base (1).
3. The foundation pit retaining structure for improving support efficiency according to claim 1, characterized in that: The height adjustment mechanism (4) comprises a sleeve rod (44), the sleeve rod (44) being fixedly connected to the base (1), the interior of the sleeve rod (44) being fixedly connected to a second motor (41), the output end of the second motor (41) being fixedly connected to a third threaded rod (42), the exterior of the third threaded rod (42) being threadedly connected to a movable frame (43), and the movable frame (43) being slidably connected to the sleeve rod (44).
4. The foundation pit retaining structure for improving support efficiency according to claim 1, characterized in that: The horizontal adjustment mechanism (2) comprises a fixed block (22), the fixed block (22) being fixedly connected to the base (1), the internal thread of the fixed block (22) being connected to a first bolt (21), and the bottom of the first bolt (21) being rotatably connected to a positioning block (23).
5. The foundation pit retaining structure for improving support efficiency according to claim 3, characterized in that: The rotating mechanism (3) comprises a first motor (31), the first motor (31) being fixedly connected to a movable frame (43), an output end of the first motor (31) being fixedly connected to a driving bevel gear (32), one side of the driving bevel gear (32) being meshed with a driven bevel gear (33), one side of the driven bevel gear (33) being fixedly connected to a first threaded rod (34), a side of the driven bevel gear (33) being fixedly connected to a second threaded rod (36) away from the first threaded rod (34), the second threaded rod (36) having a thread direction opposite to that of the first threaded rod (34), the second threaded rod (36) and the first threaded rod (34) being rotatably connected to the movable frame (43), the outer portions of the second threaded rod (36) and the first threaded rod (34) being threadedly connected to a movable rod (35), and the side of the movable rod (35) being fixedly connected to a fixed frame (7) away from the movable frame (43).
6. The foundation pit retaining structure for improving support efficiency according to claim 1, characterized in that: The positioning mechanism (6) comprises a positioning frame (63), the positioning frame (63) is fixedly connected to the fixing frame (7), a positioning rod (61) is slidably connected inside the positioning frame (63), and a spring (62) is sleeved outside the positioning rod (61).
7. The foundation pit retaining structure for improving support efficiency according to claim 3, characterized in that: A controller (9) is fixedly connected to the surface of the sleeve rod (44), and the controller (9) is electrically connected to the second motor (41).
8. The foundation pit retaining structure for improving support efficiency according to claim 1, characterized in that: A wear-resistant plate is fixedly connected to the surface of the protective plate (8).
Citation Information
Patent Citations
Foundation pit support structure
CN219862845U