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Steel strand winding guiding device and steel strand parallel winding method

A technology for guiding devices and steel strands, which can be used in the direction of hoisting devices, erection/assembly of bridges, bridges, etc., and can solve problems such as stuck ropes and messy ropes of steel strands, and achieve good adaptability

Pending Publication Date: 2017-12-29
CCCC SECOND HIGHWAY ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problems of cumbersome installation process, high labor intensity, low efficiency and rope jamming of existing devices, the present invention provides a steel strand winding guide device and a side-by-side winding method. The process is convenient and quick, which greatly reduces the labor intensity of the construction personnel. At the same time, the guide device can well adapt to the change of the curvature of the steel strands, and can also reasonably change the arrangement of the steel strands, and effectively solves the problem of the winding of the steel strands. Problems such as stuck ropes and messy ropes during the process

Method used

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  • Steel strand winding guiding device and steel strand parallel winding method
  • Steel strand winding guiding device and steel strand parallel winding method
  • Steel strand winding guiding device and steel strand parallel winding method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] In order to overcome the problems of cumbersome installation process, high labor intensity, low efficiency and rope jamming of existing devices, the present invention provides such figure 1 A steel strand winding guide device and a side-by-side rope winding method are shown. The invention can make the whole installation process of the steel strand convenient and quick, and greatly reduce the labor intensity of construction personnel. At the same time, the guide device can well adapt to steel strands. The curvature of the strand changes, and the arrangement of the strands can also be reasonably converted, and effectively solves the problems of rope jamming and disordered ropes during the winding process of the strands.

[0033] A rope winding guide device for steel strands, comprising an arc guide frame 1, an arc-shaped frame formed by parallel and symmetrical arrangement of multiple sections of channel steel, the outside of the frame is welded with angle steel at equal i...

Embodiment 2

[0038] Based on the above embodiments, in this embodiment, the middle guide plate 2 includes a fixed plate 2.1 and a toothed comb 2.2, the fixed plate 2.1 is fixed at the center of the top of the arc guide frame 1, and the The toothed comb 2.2 is vertically located below the fixing plate 2.1, and the steel strands 5 are neatly arranged in the toothed comb 2.2.

[0039] Figure 4 It is a structural schematic diagram of the middle guide plate 2, which is installed in the middle position of the top of the arc guide frame 1 by bolts, and the steel strands 5 are arranged neatly under the horizontal combing of the toothed comb 2.2.

[0040] The end swing frame 4 includes a pin joint plate 4.1, a channel steel frame 4.2, a grooved roller 4.3, a central shaft 4.4, and a flat idler roller 4.5, and the two ends of the channel steel frame 4.2 are provided with a pin joint plate 4.1 , the flat idler 4.5 and the central axis 4.4 are arranged in parallel on the two ends of the channel stee...

Embodiment 3

[0047] Based on the above embodiments, in this embodiment, a method for side-by-side winding of steel strands is provided, and the specific steps are:

[0048] Step 1: For the top-threading method of the passive cable-releasing device and the active cable-releasing device of the steel strand, the steel strands 5 are lifted from the construction platform one by one and fixed by the upper and lower clips of the jack;

[0049] Start the hydraulic pump station, lift the reciprocating action of the jack to push the steel strand 5 to a certain position, according to the corresponding relationship of the steel strand 5, put the pair of steel strand 5 into the middle slot 6.1 of the steel strand clamping device 6 and press Tight, the steel strands 5 are arranged horizontally by circular arrangement;

[0050] The lifting jack continues to reciprocate to push the steel strand 5 slowly into the arc guide frame 1, and is gradually wound under the support of the guide wheel assembly 3 up a...

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Abstract

The invention provides a steel strand winding guiding device which comprises an arc-shaped guide rack. The arc-shaped guide rack is an arc-shaped frame formed by parallelly and symmetrically arranging a plurality of box iron. Angle iron is welded out of the frame in a spaced manner and a support is welded inside. The arc-shaped guide rack comprises a middle guide plate, an end swing rack, a steel strand and a steel strand clamping device. The middle guide plate is located at the center of the top of the arc-shaped rack; a plurality of pairs of guide wheel assemblies are also horizontally mounted on the circumferential direction of the arc-shaped guide rack; the end swing rack is mounted on one end of the arc-shaped guide rack, and the steel strand penetrates through the steel strand clamping device arranged below one end of the arc-shaped guide rack and penetrates into the end swing rack arranged on the other end of the arc-shaped guide rack through the guide wheel assembly and the middle guide plate successively. The steel strand winding guiding device provided by the invention fits the curvature change of the steel strand well, also can convert the arrangement form of the steel strand reasonably, and solves the problems that the steel strand is locked and messed in the winding process effectively.

Description

technical field [0001] The invention relates to a rope winding guide device for steel strands and a side-by-side winding method for steel strands, and is especially suitable for the steel strand installation of a full hydraulic spanning cable crane, which is a special equipment for hoisting stiffening beams of suspension bridges. technical background [0002] At present, the hoisting of stiffening beams of suspension bridges at home and abroad generally adopts a fully hydraulic structure, and the hoisting is stable, safe and efficient. The fully hydraulic cable span crane uses prestressed steel strands to actually bear the heavy loads such as suspension bridge stiffening beams. The prestressed steel strands pass through the hydraulic jack, and the upper and lower clips installed in the jack are used to open and cooperate with each other and the jack is telescopic. Cylinder action to realize lifting and installation of heavy loads in place. The rated lifting capacity of the ...

Claims

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Application Information

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IPC IPC(8): B66D1/36E01D21/00
CPCE01D21/00B66D1/36B66D2700/0183
Inventor 刘民胜金仓刘勋舒宏生刘新华
Owner CCCC SECOND HIGHWAY ENG CO LTD
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