Overhanging trestle
By using a cantilevered trestle structure, and employing a combination of steel pipe piles and inclined bracing piles with crossbars and connecting rods, the impact of trestle construction on the aquatic environment and fish survival has been resolved, thus improving stability and ease of construction.
Patent Information
- Application Number
- CN202423285567.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
When existing trestle bridges are constructed with steel sheet pile cofferdams in the riverbed, it affects the quality of the water environment and the survival of fish, and the construction is very difficult.
The structure adopts a cantilevered trestle bridge, which utilizes the design of steel pipe piles and inclined bracing piles combined with crossbars and connecting rods. The inclined bracing piles are installed and fixed to the steel pipe piles in the same independent pier by cantilevered brackets, avoiding riverbed construction. Combined with the positioning block and slot limiting structure, the inclined bracing piles are accurately positioned and stably installed.
It effectively prevents water environment damage, reduces construction difficulty, and enhances the stability of the trestle structure.
Smart Images
Figure CN223853144U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the trestle technical field, and particularly to a cantilever trestle. BACKGROUND
[0002] In the process of trestle construction, water environment sensitive points are often passed, which brings resistance to the construction of the bridge. These sensitive points include water source protection areas, fish breeding areas and other ecologically fragile areas. The existing trestle usually adopts the steel sheet pile cofferdam construction method to pour the foundation pier in the riverbed, which involves a large amount of disturbance of silt and water in the riverbed, seriously affecting the water environment quality and fish survival. SUMMARY
[0003] The utility model discloses a cantilever trestle, solve the problem that the existing trestle constructs in the riverbed and affects the water environment quality and fish survival, effectively prevent the water environment from being destroyed, reduce the difficulty of installation, and enhance the stability of the trestle structure.
[0004] The utility model discloses a cantilever trestle, including steel pipe stake and end cross arrangement's inclined brace stake, and the single cross steel pipe stake is connected side by side through the first horizontal rod, and the inclined brace stake is connected side by side through the second horizontal rod, and the first horizontal rod and the second horizontal rod are equipped with the connecting rod, and one end of the connecting rod is positioned with the first horizontal rod and is fixedly connected with the second horizontal rod, and the inclined brace stake is fixed in the same independent pier with the adjacent steel pipe stake.
[0005] Further, one end of the connecting rod is provided with a mounting head, the first horizontal rod is provided with a positioning block, and the positioning block is provided with a clamping groove for limiting the mounting head.
[0006] Preferably, the positioning block is spaced apart and provided with two blocks, the mounting head is T-shaped, and is divided into a rod part and an end part, the rod part of the mounting head is inserted between the two positioning blocks, and the end part of the mounting head is limited in the clamping groove.
[0007] Further, the first horizontal rod is provided with a plurality of rods in the vertical direction, and the second horizontal rod is also a plurality of rods corresponding to the first horizontal rod in the horizontal direction.
[0008] Further, the first horizontal rod and the second horizontal rod adopt I-steel or steel pipes.
[0009] The utility model discloses at least has following advantages and beneficial effects: through cantilever bracket type installation inclined brace stake, fix the inclined brace stake with the adjacent steel pipe stake in the same independent pier, effectively prevent the water environment from being destroyed, and through the clamping cooperation of the connecting rod and the first horizontal rod, the positioning installation of the inclined brace stake is facilitated, the difficulty of installation is reduced, and the stability of the trestle structure is enhanced. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1The utility model provides a kind of installation schematic drawing of cantilever trestle.
[0011] Figure 2 The utility model Figure 1 Structure schematic view in A-A direction.
[0012] Figure 3 The utility model provides a kind of connection schematic drawing of first cross bar and connecting rod in cantilever trestle.
[0013] Reference signs: 1-steel pipe pile, 2-inclined brace pile, 3-first cross bar, 31-positioning block, 310-slot, 4-second cross bar, 5-connecting rod, 51-mounting head, 6-independent pier. DETAILED DESCRIPTION
[0014] The specific embodiments are described below in conjunction with the accompanying drawings.
[0015] EMBODIMENT
[0016] As Figures 1-3 shown, in the embodiment, mainly disclose a kind of cantilever trestle, including steel pipe pile 1 and end section cross setting inclined brace pile 2, single cross steel pipe pile 1 is connected side by side by first cross bar 3, and inclined brace pile 2 is connected side by side by second cross bar 4, and connecting rod 5 is equipped between first cross bar 3 and second cross bar 4, one end of connecting rod 5 is positioned and clamped with first cross bar 3, and the other end of connecting rod 5 is fixedly connected with second cross bar 4, and inclined brace pile 2 is fixed in the same independent pier 6 with adjacent steel pipe pile 1;It needs to be explained that, to avoid steel sheet pile cofferdam construction in riverbed, inclined brace pile 2 is used in last span to be installed by cantilever corbel mode, and fixed in the same independent pier 6 with the steel pipe pile 1 of penultimate span, and the independent pier 6 is formed by using steel sheet pile cofferdam pouring on river bank, so that trestle cantilever extends to river surface, facilitate subsequent material transfer, effectively prevent water environment from being damaged;Before construction, two two are a group by first cross bar 3 to be welded to form an integral whole, then two two are a group by second cross bar 4 to be welded to form an integral whole and weld connecting rod 5, when construction, first penultimate span steel pipe pile 1 is hoisted, and vertical positioning is fixed, then the inclined brace pile 2 of last span is hoisted, is positioned and installed by the clamping cooperation of connecting rod 5 and first cross bar 3, then independent pier 6 is formed by pouring through steel sheet pile cofferdam under steel pipe pile 1 and inclined brace pile 2, and first cross bar 3 and connecting rod 5 are welded and fixed, reduce the difficulty of installation, enhance the stability of trestle structure.
[0017] Further, in the specific implementation, the one end of the connecting rod 5 is provided with a mounting head 51, the first cross rod 3 is provided with a positioning block 31, and the positioning block 31 is provided with a clamping groove 310 for limiting the mounting head 51; preferably, the two positioning blocks 31 are arranged at intervals, the mounting head 51 is in T shape and is divided into a rod part and an end part, the rod part of the mounting head 51 is inserted between the two positioning blocks 31, and the end part of the mounting head 51 is limited in the clamping groove 310; specifically, the mounting head 51 is welded above the one end of the connecting rod 5, the positioning block 31 is welded above the middle part of the first cross rod 3, the clamping groove 310 has a certain fitting gap, the connecting rod 5 and the first cross rod 3 are on the same horizontal plane, and after installation, the end part of the connecting rod 5 abuts against the middle part of the first cross rod 3, the rod part of the mounting head 51 is inserted into the two positioning blocks 31, and the rod part of the mounting head 51 is used for positioning the relative position of the diagonal bracing pile 2 and the steel pipe pile 1 in the length direction of the first cross rod 3, the cooperation of the rod part of the mounting head 51 and the clamping groove 310 and the abutment of the connecting rod 5 and the first cross rod 3 are used for positioning the relative position of the diagonal bracing pile 2 and the steel pipe pile 1 in the height direction and in the width direction of the first cross rod 3, and the positioning and installation speed is improved.
[0018] Further, in the specific implementation, the first cross rod 3 is provided in the vertical direction, and the second cross rod 4 is also provided in the vertical direction and corresponds to the first cross rod 3 horizontally, thereby improving the stability and reliability of the positioning and installation.
[0019] Further, in the specific implementation, the first cross rod 3 and the second cross rod 4 are made of I-shaped steel or steel pipes.
Claims
1. A catwalk characterized in that, The utility model relates to a steel pipe pile (1) and end part cross arrangement's inclined support pile (2) are provided with, single cross the steel pipe pile (1) between through first cross bar (3) and side by side connection, the inclined support pile (2) between through second cross bar (4) and side by side connection, first cross bar (3) and second cross bar (4) between being equipped with connecting rod (5), connecting rod (5) one end with first cross bar (3) positioning clamping, connecting rod (5) other end with second cross bar (4) fixed connection, the inclined support pile (2) with adjacent steel pipe pile (1) are fixed in same independent pier (6) in.
2. A catwalk according to claim 1, wherein, Connecting rod (5) one end is equipped with mounting head (51), first cross bar (3) is provided with positioning block (31), positioning block (31) is equipped with the clamping groove (310) for limiting mounting head (51) on being opened.
3. A catwalk according to claim 2, wherein, Positioning block (31) is spaced apart and is equipped with two, mounting head (51) is T-shaped, is divided into rod part and end part, the rod part of mounting head (51) is inserted between two positioning block (31), and the end part of mounting head (51) is limited in clamping groove (310).
4. A catwalk according to claim 1, wherein First cross bar (3) is provided with multiple along the vertical direction, and second cross bar (4) is also multiple with first cross bar (3) horizontal correspondence.
5. A catwalk according to claim 1, wherein First cross bar (3) and second cross bar (4) adopt I-steel or steel pipe.