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Device and method of detecting braking performance of safety catcher

A technology of detection device and anti-fall device, which is applied to measurement devices, instruments, transportation and packaging, etc., can solve the problems of backward testing methods, large test errors and large differences, and achieve stable and reliable working performance and strong anti-interference ability. , Test the effect of all parameters

Inactive Publication Date: 2006-08-02
CHINA UNIV OF MINING & TECH
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AI Technical Summary

Problems solved by technology

[0003] At present, the site mainly relies on manual steel rulers to measure the displacement of the wedge, the descending distance of the cage, and the length of the buffer rope. The test methods are backward and the test errors are relatively large: due to the extremely short action time of the fall arrester, the empty travel time and braking time cannot be measured. The calculated braking deceleration value and the real value are often very different, and it is difficult to judge whether it really meets the requirements, but the braking deceleration, idling time, and braking time are key technical indicators to measure the braking performance of the fall arrester ; and at present, the on-site detection of the braking performance of the anti-fall device is carried out under the condition that the initial velocity of the cage is zero, and only static simulation tests can be done. The braking performance of the falling gear is good or bad

Method used

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  • Device and method of detecting braking performance of safety catcher
  • Device and method of detecting braking performance of safety catcher
  • Device and method of detecting braking performance of safety catcher

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Embodiment Construction

[0015] Refer to attached figure 1 The functional block diagram of the braking performance detection device of the anti-falling device is described in further detail to the present invention:

[0016] The braking performance detection device of the anti-falling device includes an acceleration sensor, a displacement sensor, and a non-contact ranging sensor (as shown in Figure 1), and the analog signals detected by each sensor are converted into a single-chip microcomputer 4 ( 80C196KB) can receive the voltage or current signal, and the electric signal enters the A / D conversion interface of the single-chip microcomputer 4 through the multi-channel analog switch 3 . The single-chip microcomputer completes data acquisition and signal processing through programming. The single-chip microcomputer 3 is set as an eight-bit data bus and a sixteen-bit address bus. Due to the limited memory and I / O port resources of the microcontroller itself, it cannot meet the needs of system design, ...

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Abstract

The device and method of detecting braking performance of safety catcher in mine lift container is disclosed. The detecting method includes initializing, depressing the test key to select test data storing position and waiting for the test signal, sending the rope breaking signal to the braking performance detecting device for detecting the idle stroke time, the braking time, the wedge block displacement, the buffer rope withdrawal length, the braking distance, the braking deceleration and other parameters of the safety catcher, and showing the detecting result in the LCD, judging the performance of the safety catcher and performing the computer analysis of the test data.

Description

technical field [0001] The invention relates to a detection method and device for the braking performance of a mine lifting container anti-fall device, which can test the idle travel time, braking time, wedge displacement, buffer rope withdrawal length, braking distance and braking distance of the anti-fall device. deceleration. Background technique [0002] The anti-fall device is one of the important safety equipment of the mine hoisting system, and its braking performance directly affects the life safety of the miners and the normal operation of the hoisting container. The fall arrester must ensure that under any conditions, regardless of the lifting speed and terminal load, it must be able to brake the falling cage smoothly and reliably. The working environment of the fall arrester is poor, but the task it undertakes is very important, and it is often in a standby state. Once the rope is broken, its action is required to be flexible and reliable, so the detection of its...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B5/00G01D21/02
Inventor 朱真才陈义强王雷杨建奎沈惠霞
Owner CHINA UNIV OF MINING & TECH
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