Twisted-type hoister steel wire rope interlayer friction detection device and method
A friction detection and steel wire rope technology, which is applied in the field of interlayer friction detection devices for winding hoist wire ropes, can solve problems such as inability to detect friction and wear between ropes, and achieve wide practicability, easy operation, and good results
Inactive Publication Date: 2015-05-20
CHINA UNIV OF MINING & TECH
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Problems solved by technology
[0005] In order to solve the problem that the existing device cannot detect the friction and wear between the ropes during the multi-layer high-speed winding process of the steel wire rope drum of the winding hoist, the invention further proposes a device and method capable of simulating the friction between the layers of the wire rope on the winding hoist drum, and can Real-time dynamic monitoring of wire rope friction and wear
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[0037] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:
[0038] Such as Figure 1-6 As shown, a winding hoist wire rope interlayer friction detection device includes a bracket, a loading wire rope positioning system arranged on the bracket, a jointless wire rope positioning system, a braking system, a dynamic loading system, and a state monitoring system;
[0039] The support includes a base 17 and four columns 14 fixed on the base 17. The four columns 14 form a rectangle, and a crossbeam 25 is arranged on the top between the two vertical columns perpendicular to the axial direction of the drive shaft 28, parallel to the drive shaft. A fixed pulley support beam 11 is arranged in the middle between the two transverse columns in the axis direction of the shaft 28 .
[0040] The loading wire rope positioning system includes a fixed pulley support on the fixed pulley support beam 11, two fixed pulleys 13 symmetrical...
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The invention discloses a twisted-type hoister steel wire rope interlayer friction detection device and method. The twisted-type hoister steel wire rope interlayer friction detection device comprises a support, and a loading steel wire rope positioning system, a connector-free steel wire rope positioning system, a brake system, a power loading system and a state monitoring system which are arranged on the support; a test for the friction abrasion between a loading steel wire rope and a connector-free steel wire rope on a rotating hub can be realized, and the device can be used for disclosing a steel wire rope friction abrasion fracture mechanism and evaluating the abrasion damage evolution of each steel wire rope and the fatigue service life of each steel wire ropes. A steel rope interlayer friction state on a twisted-type hoister roller can be simulated, a stable steel wire rope contact load can be continuously applied by adopting a fixed pulley positioning device and an electric pull rod loading way controlled by computer software, friction force, a temperature field and a friction coefficient among the steel wire ropes and an expanding law of internal cracks of the steel wire rope can be monitored in real time, and an effective experimental device can be provided for disclosing the steel wire rope friction abrasion fracture mechanism, evaluating the friction damage evolution of each steel wire rope and evaluating the fatigue service life of each steel wire rope.
Description
technical field [0001] The invention relates to an interlayer friction detection device and method for a winding hoist wire rope, especially suitable for the experiment of simulating the use environment and working conditions of the wire rope on the winding hoist drum in the mine hoisting process, and for detecting the winding hoist drum The friction condition between the layers of the upper wire rope. Background technique [0002] With the rapid development of the national economy, my country's demand for mineral resources has increased significantly, prompting the continuous expansion of the mining of underground mineral resources in my country. With the increase of mining depth, deep well mining and transportation issues have also attracted much attention. The average mining depth of mines in my country is about 500m. With the consumption of shallow mineral resources, the mining depth will inevitably reach 1000-2000m in the future. At present, single-rope winding hoists...
Claims
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IPC IPC(8): G01N3/56
CPCG01N3/56G01N19/02
Inventor 彭玉兴朱真才孙士生王大刚曹国华陈国安刘送永李伟周公博沈刚卢昊李同清
Owner CHINA UNIV OF MINING & TECH
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