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Suspension bridge catwalk laying construction method

A construction method and technology for suspension bridges, applied in suspension bridges, bridge construction, bridges, etc., can solve problems such as time-consuming, labor-intensive, and safety hazards in high-altitude operations

Inactive Publication Date: 2020-10-13
安徽晟园景观工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The catwalk is a cross-river construction platform temporarily built during the erection of the main cable of the suspension bridge. Its direction is consistent with that of the main cable of the suspension bridge. Traditional catwalk construction generally adopts manual laying of catwalk boards, which is not only time-consuming and laborious, but also has great safety hazards in high-altitude operations

Method used

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  • Suspension bridge catwalk laying construction method
  • Suspension bridge catwalk laying construction method
  • Suspension bridge catwalk laying construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as figure 1 Shown, a kind of suspension bridge catwalk laying construction system comprises catwalk board 10 and laying device 20; As Figure 1-14 As shown, the catwalk board 10 includes a plate-shaped body, the bottom of the plate-shaped body is provided with a first clamping mechanism 11 for preventing the radial displacement of the plate-shaped body along the catwalk load-bearing cable 1, and for preventing the board The second clamping mechanism 12 for axially displacing the catwalk load-bearing cable 1 along the catwalk load-bearing cable 1; And the first clamping mechanism 11 and the second clamping mechanism 12 can be driven to clamp the catwalk load-bearing cable 1 when the downward pressure is applied to the plate-shaped body; Figure 15-21 As shown, the laying device 20 includes a material storage rack 21 for stacking catwalk boards 10, and the bottom and both sides of the storage rack 21 are respectively provided with a rolling joint with the catwalk lo...

Embodiment 2

[0059] A kind of suspension bridge catwalk laying construction method, comprises the steps:

[0060] Step 1: Set up catwalk load-bearing cables 1, catwalk guardrail cables 2 and catwalk traction cables 3, of which catwalk load-bearing cables 1 are 6-8 and are located in the same plane, and catwalk guardrail cables 2 are two in the most Above the two catwalk load-bearing cables 1 on the outside, two catwalk traction cables 3 are respectively located above the two catwalk load-bearing cables 1 in the middle, and the catwalk traction cables 3 are connected to the hoist;

[0061] Step 2: Install the catwalk board 10 laying device 20 on the catwalk load-bearing cable 1 and the catwalk guardrail cable 2, and connect the catwalk board 10 laying device 20 with one of the catwalk traction ropes 3 with a rope and a traction frame 4 ;

[0062] Step 3: Stack the catwalk board 10 in the catwalk board 10 laying device 20, use the catwalk traction rope 3 to place the catwalk board 10 laying...

Embodiment 3

[0070] A method for dismantling catwalk boards, pressurizing the locking plate 114 in the catwalk board 10 from both sides of the catwalk board 10, so that the locking groove 1141 on the locking board 114 is facing the locking pin 115, locking Under the action of the second elastic unit 1152, the pin 115 pushes the locking pin 115 into the locking groove 1141 to lock the first clamping block 112 in the open state, and then the catwalk board 10 is lifted upwards, so that the first clamping mechanism 11 separates with catwalk load-bearing cable 1.

[0071] The removal method also includes: applying pressure to the driving frame 13 in the catwalk board 10 along the length direction of the catwalk load-bearing cable 1, so that the second clamping block 122 moves to the end where the two guide surfaces are far away from each other, and the second clamping block 122 moves the catwalk The load-bearing cable 1 is loosened, and then the locking plate 114 in the catwalk plate 10 is pres...

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Abstract

The invention belongs to the technical field of bridge construction, and particularly relates to a suspension bridge catwalk laying construction method. The method comprises the steps that 1, a catwalk bearing cable, a catwalk guardrail cable and catwalk traction cables are erected; 2, a catwalk plate laying device is installed; 3, catwalk plates are stacked in the catwalk plate laying device, lowering the catwalk plate laying device to the center of a catwalk mid-span by using the catwalk traction cable, the catwalk plates are laid from the center to the end, and the catwalk plate laying device is dragged by catwalk traction cable to walk towards the end of the catwalk in the laying process; and 4, in the laying process, the other catwalk traction cable is used for dragging a feeding trolley, the feeding trolley is used for conveying the catwalk plates to the catwalk plate laying device from the end of the catwalk, and the catwalk plates on the catwalk plate laying device are supplemented till catwalk plate laying of the whole catwalk is completed. Manual close-range intervention is not needed, the catwalk paving efficiency is improved, and meanwhile, the safety of constructors isguaranteed.

Description

technical field [0001] The invention belongs to the technical field of bridge construction, and in particular relates to a construction method for paving catwalks of suspension bridges. Background technique [0002] The catwalk is a cross-river construction platform temporarily built during the erection of the main cable of the suspension bridge. Its direction is consistent with that of the main cable of the suspension bridge. Traditional catwalk construction generally adopts manual laying of catwalk boards, which is not only time-consuming and laborious, but also poses great safety hazards when working at heights. Contents of the invention [0003] The object of the present invention is to provide a construction method for paving catwalks of suspension bridges, which can realize automatic paving and fixing of catwalk slabs. [0004] The technical scheme that the present invention takes is specifically as follows: [0005] A kind of suspension bridge catwalk laying const...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D11/02
CPCE01D11/02E01D21/00
Inventor 申维松常韶杰
Owner 安徽晟园景观工程有限公司
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