Foundation pit long and short pile supporting structure
By designing a fixed limit connection plate assembly in the long and short pile support structure of the foundation pit, the problem of bending of short piles is solved, the bearing capacity of the foundation pit support structure is improved, and the short piles of different lengths are adapted to.
Patent Information
- Application Number
- CN202421707136.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-18
AI Technical Summary
In foundation pit projects, short piles are difficult to fully embed stable soil layers due to their limited length, and are easily bent by lateral thrust, affecting the overall bearing capacity of the support structure.
A long and short pile support structure of foundation pit is designed. By connecting two sets of connecting plates on the outer walls of long and short piles, and using components such as pull handles, rotating rods, eccentric blocks, push plates, and clamps, the fixed limits of long and short piles are achieved to prevent bending.
It effectively prevents short piles from bending due to lateral thrust, improves the overall load-bearing capacity of the foundation pit support structure, and can adapt to short piles of different lengths for fixed limits.
Smart Images
Figure CN222893647U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a foundation pit long and short pile supporting structure. Background Art
[0002] Long and short pile support is a support structure widely used in foundation pit projects. Long piles usually have higher bearing capacity and stiffness, and can effectively transfer and disperse the soil pressure on the side walls of the foundation pit, while short piles can reinforce local soft soil layers and improve the bearing capacity of the foundation. The combined use of long and short piles can give full play to the advantages of both and improve the overall bearing capacity of the support structure.
[0003] At present, in the process of using long and short piles to support the foundation pit, due to the limited length of the short piles, compared with the long piles, the short piles are difficult to fully embed into the stable soil layer, resulting in the short piles being easily bent by the lateral thrust. Therefore, the utility model proposes a foundation pit long and short pile support structure. Utility Model Content
[0004] The utility model aims to provide a foundation pit long and short pile supporting structure to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foundation pit long and short pile support structure, comprising long piles and short piles, the long piles and short piles are arranged at intervals, two groups of connecting plates are sleeved on the outer walls of the long piles and short piles, the connecting plates comprise a connecting upper plate and a connecting lower plate, a plurality of ring plates are fixedly connected to the outer walls of the connecting upper plate and the connecting lower plate, a plurality of pairs of connecting blocks are fixedly connected between the connecting upper plate and the connecting lower plate, an eccentric block is rotatably connected between two opposite ring plates, a push plate is slidably connected between the same pair of connecting blocks, a clamping plate is fixedly connected to the side of the push plate away from the eccentric block, a rotating rod is fixedly connected to both sides of the eccentric block, and the eccentric blocks are rotatably connected to the ring plates through the rotating rod.
[0006] Preferably, one end of the two adjacent rotating rods passes through the side wall of the connecting plate and is fixedly connected with a handle.
[0007] Preferably, both ends of the connecting plate located at the bottom are fixedly connected with a shrinking cylinder, the inside of the shrinking cylinder is slidably connected with a telescopic rod, and the top end of the telescopic rod is rotatably connected to the connecting plate located at the top.
[0008] Preferably, a lifting ring is fixedly connected to the outer side wall of the telescopic rod, and the lifting ring is rotatably connected between the connecting upper plate and the connecting lower plate.
[0009] Preferably, the lower ends of the telescopic rods are fixedly connected with threaded rods, the threaded rods are threadedly connected to the inside of the retractable tube, and the top ends of the telescopic rods penetrate the side walls of the upper plate and are fixedly connected with a turning handle.
[0010] Preferably, clamping blocks are fixedly connected to both sides of the push plate, and clamping grooves matching the clamping blocks are formed on the inner sides of the connecting blocks.
[0011] Preferably, a clamping ring is fixedly connected to one side of the clamping plate away from the push plate.
[0012] The utility model provides a foundation pit long and short pile support structure, which has the following beneficial effects:
[0013] 1. The utility model drives the rotating rod to rotate by pulling the pull handle, and the rotating rod drives the eccentric block to rotate. The eccentric block pushes the push plates on both sides thereof to slide between the connecting upper plate and the connecting lower plate, and the push plates drive the clamping blocks on both sides thereof to slide along the clamping groove toward the long pile and the short pile, and the push plates drive the clamping plates to approach the long pile and the short pile until the clamping plates are clamped on both sides of the long pile and the short pile by the clamping rings, so that the positions of the long pile and the short pile are fixed, and the upper and lower ends of the short pile are fixed and limited by setting two sets of connecting plates to prevent the short pile from being bent due to lateral thrust.
[0014] 2. The utility model drives the telescopic rod and the threaded rod to rotate by rotating the turning handle. Under the threaded connection between the contraction tube and the threaded rod, the threaded rod drives the telescopic rod to move upward along the contraction tube, and the telescopic rod drives a group of connecting plates to move upward through the lifting ring, thereby adjusting the spacing between the two groups of connecting plates, so that the two groups of connecting plates can fix and limit short piles of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a structural schematic diagram of the eccentric block in the utility model;
[0017] Figure 3 It is a structural schematic diagram of the splint in the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the card block in the utility model;
[0019] Figure 5 It is a structural schematic diagram of the telescopic rod in the utility model.
[0020] In the figure: 1. long pile; 11. short pile; 12. connecting plate; 2. connecting upper plate; 21. connecting lower plate; 22. ring plate; 23. connecting block; 24. eccentric block; 25. push plate; 26. clamping plate; 27. rotating rod; 3. pull handle; 4. lifting ring; 5. retracting cylinder; 51. telescopic rod; 6. turning handle; 61. threaded rod; 7. clamping block; 71. clamping groove; 8. clamping ring. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0022] Example 1: Please refer to Figure 1-5 The utility model provides a technical solution: a foundation pit long and short pile support structure, comprising a long pile 1 and a short pile 11, the long pile 1 and the short pile 11 are arranged at intervals, and two groups of connecting plates 12 are sleeved on the outer walls of the long pile 1 and the short pile 11, the connecting plate 12 comprises a connecting upper plate 2 and a connecting lower plate 21, and a plurality of ring plates 22 are fixedly connected to the outer walls of the connecting upper plate 2 and the connecting lower plate 21, and a plurality of pairs of connecting blocks 23 are fixedly connected between the connecting upper plate 2 and the connecting lower plate 21, and an eccentric block 24 is rotatably connected between the two opposite ring plates 22, and a push plate 25 is slidably connected between the same pair of connecting blocks 23, and a clamping plate 26 is fixedly connected to the side of the push plate 25 away from the eccentric block 24, and a rotating rod 27 is fixedly connected to both sides of the eccentric block 24, and the eccentric block 24 is rotatably connected to the ring plate 22 through the rotating rod 27.
[0023] One end of the two adjacent rotating rods 27 passes through the side wall of the connecting plate 12 and is fixedly connected to the pull handle 3; the two sides of the push plate 25 are fixedly connected to the clamping blocks 7, and the inner side of the connecting block 23 is provided with a clamping groove 71 adapted to the clamping block 7; the side of the clamping plate 26 away from the push plate 25 is fixedly connected to the clamping ring 8.
[0024] The specific scheme is as follows: by sleeve-connecting the two groups of connecting plates 12 on the outer side walls of the long pile 1 and the short pile 11, the handle 3 on the outer side of the ring plate 22 is pulled, and the handle 3 drives the rotating rod 27 to rotate, and the rotating rod 27 drives the eccentric block 24 to rotate between the two ring plates 22. Under the limiting action of the same pair of connecting blocks 23, the eccentric block 24 pushes the push plates 25 on both sides thereof to slide between the connecting upper plate 2 and the connecting lower plate 21, and the push plates 25 drive the clamping blocks 7 on both sides thereof to slide along the clamping groove 71 toward the long pile 1 and the short pile 11, and the push plates 25 drive the clamping plates 26 to approach the long pile 1 and the short pile 11 until the clamping plates 26 are clamped on both sides of the long pile 1 and the short pile 11 by the clamping ring 8, so that the positions of the long pile 1 and the short pile 11 are fixed, and the upper and lower ends of the short pile 11 are fixedly limited by setting two groups of connecting plates 12 to prevent the short pile 11 from bending due to lateral thrust.
[0025] Embodiment 2: Figure 1-5As shown, a foundation pit long and short pile support structure disclosed in Example 2 of the utility model has a structure that is basically the same as that in Example 1, except that both ends of the connecting plate 12 located at the bottom are fixedly connected with a contraction tube 5, and the interior of the contraction tube 5 is slidably connected with a telescopic rod 51, and the top of the telescopic rod 51 is rotatably connected to the connecting plate 12 located at the top; a lifting ring 4 is fixedly connected to the outer wall of the telescopic rod 51, and the lifting ring 4 is rotatably connected between the connecting upper plate 2 and the connecting lower plate 21; a threaded rod 61 is fixedly connected to the lower end of the telescopic rod 51, and the threaded rod 61 is threadedly connected to the interior of the contraction tube 5, and the top of the telescopic rod 51 passes through the side wall of the connecting upper plate 2 and is fixedly connected with a turning handle 6.
[0026] The specific solution is as follows: by rotating the handle 6, the handle 6 drives the telescopic rod 51 and the threaded rod 61 to rotate, and under the threaded connection between the contraction tube 5 and the threaded rod 61, the threaded rod 61 drives the telescopic rod 51 to move upward along the contraction tube 5, and the telescopic rod 51 drives a group of connecting plates 12 located above to move upward through the lifting ring 4, thereby adjusting the spacing between the two groups of connecting plates 12, so that the two groups of connecting plates 12 can fix and limit the short piles 11 of different lengths.
[0027] 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 long and short pile support structure, comprising long piles (1) and short piles (11), characterized in that: The long piles (1) and the short piles (11) are arranged at intervals. Two groups of connecting plates (12) are sleeved on the outer side walls of the long piles (1) and the short piles (11). The connecting plates (12) include an upper connecting plate (2) and a lower connecting plate (21). A plurality of ring plates (22) are fixedly connected to the outer side walls of the upper connecting plate (2) and the lower connecting plate (21). A plurality of pairs of connecting plates (22) are fixedly connected between the upper connecting plate (2) and the lower connecting plate (21). Block (23), an eccentric block (24) is rotatably connected between the two opposite ring plates (22), a push plate (25) is slidably connected between the same pair of connecting blocks (23), a clamping plate (26) is fixedly connected to the side of the push plate (25) away from the eccentric block (24), a rotating rod (27) is fixedly connected to both sides of the eccentric block (24), and the eccentric block (24) is rotatably connected to the ring plate (22) through the rotating rod (27).
2. A foundation pit long and short pile support structure according to claim 1, characterized in that: One end of the two adjacent rotating rods (27) penetrates the side wall of the connecting plate (12) and is fixedly connected to a pull handle (3).
3. The long and short pile support structure for foundation pit according to claim 1 is characterized in that: Both ends of the connecting plate (12) located at the bottom are fixedly connected with a shrinking cylinder (5), the interior of the shrinking cylinder (5) is slidably connected with a telescopic rod (51), and the top end of the telescopic rod (51) is rotatably connected to the connecting plate (12) located at the top.
4. A foundation pit long and short pile support structure according to claim 3, characterized in that: A lifting ring (4) is fixedly connected to the outer side wall of the telescopic rod (51), and the lifting ring (4) is rotatably connected between the upper connecting plate (2) and the lower connecting plate (21).
5. The long and short pile support structure for foundation pit according to claim 3 is characterized in that: The lower ends of the telescopic rods (51) are fixedly connected to threaded rods (61), and the threaded rods (61) are threadedly connected to the inside of the shrinking tube (5). The top ends of the telescopic rods (51) penetrate the side wall of the upper plate (2) and are fixedly connected to the turning handle (6).
6. The long and short pile support structure for foundation pit according to claim 1, characterized in that: Both sides of the push plate (25) are fixedly connected with a clamping block (7), and the inner side of the connecting block (23) is provided with a clamping groove (71) adapted to the clamping block (7).
7. The long and short pile support structure for foundation pit according to claim 1, characterized in that: A clamping ring (8) is fixedly connected to one side of the clamping plate (26) away from the push plate (25).