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Cable crane main cable dismantling construction method

A cable crane and construction method technology, which is applied to cable cranes, hoists, load suspending elements, etc., can solve the problems of long construction period, safety risks of high-altitude operations, and large resource occupancy, and achieve the effect of solving safety risks.

Active Publication Date: 2019-07-30
SINOHYDRO BUREAU 7 CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned demolition process has disadvantages such as long construction period, large resource occupation, and safety risks of working at heights.

Method used

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  • Cable crane main cable dismantling construction method
  • Cable crane main cable dismantling construction method
  • Cable crane main cable dismantling construction method

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Embodiment Construction

[0027] The present invention will be further described below in combination with specific embodiments. The specific embodiments are further explanations of the principles of the present invention and do not limit the present invention in any way. The same or similar technologies as the present invention do not exceed the protection scope of the present invention.

[0028] Combined with the drawings.

[0029] The method of the present invention will be described below by taking the removal of the main rope of a certain engineering cable crane as an example.

[0030] (1) Design and layout of towing rope-guided ground anchors: The towing rope-guided ground anchors are mainly used for the removal of the guided towing ropes of the main rope of the cable machine. The towing rope guided ground anchors of the main and auxiliary vehicles can be buried according to the site conditions, such as the main cable machine of the pavilion. Removal of the ropes. A 30t guided ground anchor is buried at...

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Abstract

The invention discloses a cable crane main cable dismantling construction method. The cable crane main cable dismantling construction method comprises the steps of laying a main cable ground channel,relaxing a main cable for the first time, dropping the main cable for the second time, dropping the main cable on the main cable ground channel, feeding the main cable to a main cable reel to be recovered, and dismantling the main cable ground channel. As for laying of the main cable ground channel, the steps include that carrier roller devices and guiding ground anchors are arranged on the groundbelow the cable crane main cable; and the carrier roller devices are arranged on the ground along a main cable recovery moving route at intervals, and the guiding ground anchors are arranged on all turning positions of the main cable during ground recovering and moving. According to the construction method, an air main cable crossing channel is optimized to form a ground channel on a dam surfaceof a hydropower station dam, auxiliary facilities such as carrier roller sets and the guiding ground anchors are adopted on the dam surface to arrange the main cable ground channel, temporary bearingcable erection and dismantling and temporary bearing code installation and dismantling are omitted, main cable demolition high-altitude work is optimized into ground work, and the main cable high-altitude work safety risks are completely solved.

Description

Technical field [0001] The invention belongs to the technical field of cable crane cableway system dismantling construction, and is suitable for all cable crane cableway system main cable removal construction operations of hydropower stations, and is particularly suitable for cable crane cableway system main cable removal construction operations of cable cranes with main cable tensioning mechanisms. Background technique [0002] During the dismantling period of the cable crane, the hydropower station has entered the production and operation period. During the dismantling process of the cable crane, the safe operation of the power plant's high-voltage line, the safe operation of the equipment on the dam crest and the approach channel of the ship lift, and the safe operation of the reservoir area in front of the dam must be ensured. The biggest safety risk for cable crane removal lies in the removal of the main ropes of the cable crane ropeway system; the main rope removal process o...

Claims

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Application Information

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IPC IPC(8): B66C21/00B66C13/00
CPCB66C13/00B66C21/00
Inventor 宁德奎万明栋范道林简易成林晓旭张巨会刘浩李亚军周兵
Owner SINOHYDRO BUREAU 7 CO LTD
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