Foundation pit supporting device for municipal road engineering
Through the hydraulic jack and connecting rod structure, combined with universal joints and angle adjustment mechanism, the time-consuming problem of disassembly and assembly of traditional support devices is solved, and a fast and efficient foundation pit support effect is achieved.
Patent Information
- Application Number
- CN202422521165.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-10-18
AI Technical Summary
Traditional support devices consume time when fixed, which increases construction costs.
It adopts hydraulic jack and connecting rod structure, combined with universal joints and angle adjustment mechanism, to achieve rapid connection and adjustment of the support performance of the foundation pit support device.
It improves the efficiency and stability of foundation pit support, reduces disassembly and assembly time, and reduces construction costs.
Smart Images
Figure CN223281333U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of supporting devices, in particular to a foundation pit supporting device for municipal road engineering. Background Art
[0002] Excavation in road construction refers to ground excavation for road construction or repair. The excavation pit is a pit dug at the foundation's designed location, based on the base elevation and dimensions. Before excavation, the excavation plan should be determined based on geological and hydrological data, as well as the conditions of nearby buildings. Waterproofing and drainage should also be ensured. After excavation, support devices are required.
[0003] When a traditional support device is used, the support device is often fixed by bolts, which causes the disassembly and assembly of the support device to be time-consuming and increases the construction cost. Summary of the Invention
[0004] The utility model provides a foundation pit supporting device for municipal road engineering, which solves the problems of easy damage to the end and easy corrosion of the surface proposed in the above background technology.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a foundation pit support device for municipal road engineering, comprising a hydraulic jack and connecting rods installed at both ends of the hydraulic jack, both ends of the hydraulic jack are welded with top blocks, one end of the connecting rod is provided with a top groove, and the connecting rod is inserted into the inside of the top groove, the other end of the connecting rod is provided with a main top plate, the surface of the main top plate is welded with a joint rod, and the joint rod is screwed into the screw hole opened at the end of the connecting rod, and auxiliary support parts are provided on both sides of the connecting rod.
[0006] As an improvement of the above technical solution, the auxiliary support member includes a rotating rod rotatably installed on the surface of the connecting rod, the free end of the rotating rod is installed with a secondary top plate through a universal joint, and an angle adjustment mechanism is also provided between the rotating rod and the connecting rod.
[0007] As an improvement of the above technical solution, the angle adjustment mechanism includes a connecting rod and a screw rod rotatably mounted on the surface of the rotating rod, and an internal threaded sleeve is screwed between the two screw rods.
[0008] As an improvement of the above technical solution, the universal joint includes a ball seat welded to the end of the rotating rod, and a ball cover screwed on the ball seat, a secondary rod is welded to the side surface of the secondary top plate, and a side reinforcement plate is also welded between the secondary rod and the secondary top plate, a ball head is welded to the end of the secondary rod, and the ball head is located inside the ball cover.
[0009] As an improvement of the above technical solution, two connecting rods are symmetrically provided, and four rotating rods are symmetrically provided.
[0010] As an improvement to the above technical solution, the top block and the top groove are both V-shaped structures.
[0011] The beneficial effects of the utility model are:
[0012] 1. Through the top blocks welded at both ends of the hydraulic jack, when the connecting rod is installed on the top of the hydraulic jack, the top block is inserted into the inside of the top groove, so that the hydraulic jack and the connecting rod are connected. At the same time, the joint rod is connected to the connecting rod through the main top plate, which makes it convenient for the hydraulic jack to adjust the pressure of the connecting rod on the foundation pit wall through expansion and contraction, thereby realizing the supporting effect of the main top plate on the foundation pit. The auxiliary support parts arranged on both sides of the connecting rod make the foundation pit supported by the main top plate and also by the auxiliary support parts, thereby improving the support performance of the foundation pit. At the same time, the hydraulic jack is used to reduce the disassembly and assembly of bolts when disassembling and assembling the support device, thereby improving the efficiency of foundation pit support.
[0013] 2. Through the auxiliary support component composed of a rotating rod, a universal joint, a secondary top plate and an adjusting mechanism, the rotating rod rotatably installed on the surface of the connecting rod is also provided with an angle adjustment mechanism, which is convenient for the rotating rod to adjust the angle with the connecting rod through the angle adjustment mechanism, and the secondary top plate is installed on the end of the rotating rod through the universal joint, so that the secondary top plate supports the foundation pit, thereby improving the stability of the foundation pit support; the angle adjustment mechanism is composed of a screw and an internal threaded sleeve, and the two screws are rotatably installed on the surface of the connecting rod and the rotating rod, and the two ends of the internal threaded sleeve are screwed on the outside of the two screws, so that after rotating the internal threaded sleeve, the length of the screw and the internal threaded sleeve can be adjusted, so as to facilitate the adjustment of the angle of the rotating rod and the connecting rod; through the universal joint composed of a ball seat, a ball cover, a secondary rod, a side reinforcement plate and a ball head, and the ball cover is screwed on the outside of the ball seat to limit the ball head, and the ball head is connected to the secondary top plate through the secondary rod, so that after the rotating rod rotates, the ball seat rotates around the ball head, so that the secondary top plate is close to the foundation pit surface. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural diagram of the utility model;
[0015] Figure 2 This is a top view structural diagram of the utility model;
[0016] Figure 3 This is a structural diagram of the rotating rod, universal joint and auxiliary top plate in the utility model.
[0017] Figure numerals: 1, hydraulic jack; 2, top block; 3, connecting rod; 4, top groove; 5, joint rod; 6, main top plate; 7, rotating rod; 8, universal joint; 81, ball seat; 82, ball cover; 83, auxiliary rod; 84, side reinforcement plate; 85, ball head; 9, auxiliary top plate; 10, screw; 11, internal threaded sleeve. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0019] See also Figure 1-3 The utility model provides a technical solution: a foundation pit support device for municipal road engineering, comprising a hydraulic jack 1 and connecting rods 3 installed at both ends of the hydraulic jack 1, top blocks 2 welded to both ends of the hydraulic jack 1, one end of the connecting rod 3 is provided with a top groove 4, and the connecting rod 3 is inserted into the inside of the top groove 4, and the other end of the connecting rod 3 is provided with a main top plate 6, the surface of the main top plate 6 is welded with a joint rod 5, and the joint rod 5 is screwed into the screw hole opened at the end of the connecting rod 3, and auxiliary support parts are provided on both sides of the connecting rod 3.
[0020] In this embodiment, the top block 2 is welded at both ends of the hydraulic jack 1, and when the connecting rod 3 is installed at the end of the hydraulic jack 1, the top block 2 is inserted into the top groove 4, so that the hydraulic jack 1 and the connecting rod 3 are connected. At the same time, the joint rod 5 is connected to the connecting rod 3 through the main top plate 6, so that the hydraulic jack 1 can adjust the pressure of the connecting rod 3 on the foundation pit wall through expansion and contraction, thereby realizing the support effect of the main top plate 6 on the foundation pit, and the auxiliary support parts arranged on both sides of the connecting rod 3, so that the foundation pit is supported by the main top plate 6 and also supported by the auxiliary support parts. At the same time, the hydraulic jack 1 is used to improve the support performance of the foundation pit, reduce the disassembly and assembly of the bolts when the support device is disassembled and assembled, and improve the efficiency of the foundation pit support.
[0021] Specifically, the secondary support member includes a rotating rod 7 rotatably mounted on the surface of the connecting rod 3 , a secondary top plate 9 is mounted on the free end of the rotating rod 7 via a universal joint 8 , and an angle adjustment mechanism is also provided between the rotating rod 7 and the connecting rod 3 .
[0022] In this embodiment, the auxiliary support component is composed of a rotating rod 7, a universal joint 8, a secondary top plate 9 and an adjustment mechanism, and the rotating rod 7 rotatably installed on the surface of the connecting rod 3 is also provided with an angle adjustment mechanism, which facilitates the rotating rod 7 to adjust the angle with the connecting rod 3 through the angle adjustment mechanism, and the secondary top plate 9 is installed at the end of the rotating rod 7 through the universal joint 8, thereby facilitating the secondary top plate 9 to support the foundation pit, thereby improving the stability of the foundation pit support.
[0023] Specifically, the angle adjustment mechanism includes a connecting rod 3 and a screw rod 10 rotatably mounted on the surface of the rotating rod 7 , and an internal threaded sleeve 11 is screwed between the two screw rods 10 .
[0024] In this embodiment, the angle adjustment mechanism is composed of a screw 10 and an internal threaded sleeve 11, and the two screws 10 are rotatably installed on the surface of the connecting rod 3 and the rotating rod 7, and the two ends of the internal threaded sleeve 11 are screwed onto the outside of the two screws 10, so that after rotating the internal threaded sleeve 11, the length of the screw 10 and the internal threaded sleeve 11 can be adjusted, thereby facilitating the adjustment of the angle of the rotating rod 7 and the connecting rod 3.
[0025] Specifically, the universal joint 8 includes a ball seat 81 welded to the end of the rotating rod 7, and a ball cover 82 screwed on the ball seat 81. A secondary rod 83 is welded to the side surface of the secondary top plate 9, and a side reinforcement plate 84 is also welded between the secondary rod 83 and the secondary top plate 9. A ball head 85 is welded to the end of the secondary rod 83, and the ball head 85 is located inside the ball cover 82.
[0026] In this embodiment, a universal joint 8 consisting of a ball seat 81, a ball cover 82, a secondary rod 83, a side reinforcement plate 84 and a ball head 85 is used, and the ball cover 82 is screwed onto the outside of the ball seat 81 to limit the ball head 85, and the ball head 85 is connected to the secondary top plate 9 through the secondary rod 83, so that after the rotating rod 7 rotates an angle, the ball seat 81 rotates around the ball head 85, so that the secondary top plate 9 is close to the surface of the foundation pit.
[0027] Specifically, two connecting rods 3 are symmetrically provided, and four rotating rods 7 are symmetrically provided.
[0028] Specifically, the top block 2 and the top groove 4 are both V-shaped structures.
[0029] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.
Claims
1. A foundation pit support device for municipal road engineering, comprising a hydraulic jack (1) and connecting rods (3) installed at both ends of the hydraulic jack (1), characterized in that: Both ends of the hydraulic jack (1) are welded with top blocks (2); one end of the connecting rod (3) is provided with a top groove (4), and the connecting rod (3) is inserted into the inside of the top groove (4); the other end of the connecting rod (3) is provided with a main top plate (6); the surface of the main top plate (6) is welded with a joint rod (5), and the joint rod (5) is screwed into a screw hole opened at the end of the connecting rod (3); and auxiliary supporting parts are provided on both sides of the connecting rod (3).
2. A foundation pit supporting device for municipal road engineering according to claim 1, characterized in that: The secondary support member comprises a rotating rod (7) rotatably mounted on the surface of the connecting rod (3); a secondary top plate (9) is mounted on the free end of the rotating rod (7) via a universal joint (8); and an angle adjustment mechanism is further provided between the rotating rod (7) and the connecting rod (3).
3. A foundation pit supporting device for municipal road engineering according to claim 2, characterized in that: The angle adjustment mechanism comprises a connecting rod (3) and a screw rod (10) rotatably mounted on the surface of a rotating rod (7), and an internal threaded sleeve (11) is screwed between the two screw rods (10).
4. A foundation pit supporting device for municipal road engineering according to claim 3, characterized in that: The universal joint (8) comprises a ball seat (81) welded to the end of the rotating rod (7), and a ball cover (82) screwed onto the ball seat (81); a secondary rod (83) is welded to the side surface of the secondary top plate (9), and a side reinforcing plate (84) is welded between the secondary rod (83) and the secondary top plate (9); a ball head (85) is welded to the end of the secondary rod (83), and the ball head (85) is located inside the ball cover (82).
5. The foundation pit supporting device for municipal road engineering according to claim 4, characterized in that: Two connecting rods (3) are symmetrically arranged, and four rotating rods (7) are symmetrically arranged.
6. The foundation pit supporting device for municipal road engineering according to claim 1, characterized in that: The top block (2) and the top groove (4) are both V-shaped structures.