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Shaft Single-rope hoisting drop-proof system

A single-rope lifting and anti-falling technology, applied in seat belts, life-saving equipment, etc., can solve the problems of difficulty in calling out the braking force, unstable cushioning performance, and cumbersome braking force adjustment process.

Inactive Publication Date: 2009-05-06
CINF ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the cage anti-drop system tests conducted in the past, it is generally believed that this kind of buffer still has some problems: 1. The buffer performance is unstable; 2. The braking force adjustment process is cumbersome; 3. It is difficult to adjust the accurate braking force

Method used

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  • Shaft Single-rope hoisting drop-proof system
  • Shaft Single-rope hoisting drop-proof system

Examples

Experimental program
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Effect test

Embodiment Construction

[0010] The invention relates to a single-rope hoisting anti-drop system for a shaft, which includes a brake wire rope and a hydraulic buffer, and the hydraulic buffer is composed of two hydraulic cylinders and a hydraulic circuit. see figure 1 As shown, it can be seen from the figure that the hydraulic cylinder includes a spherical bearing 1 , a cylinder body 2 , and a hollow piston rod 3 . The spherical support seat 1 is fixed on the well tower platform, the cylinder body 2 is fixed on the spherical support seat 1, the hollow piston rod 3 runs through the cylinder body 2 and the spherical support seat 1, and the upper end is fixed with a rope clamp 4, and the brake wire rope 5 After one end is fixed on the upper end of the hollow piston rod 3 by the rope clamp 4, it passes through the hollow part of the hollow piston rod 3, hangs at the bottom of the well and is tightened by the screw rod, and the hollow piston rod 3 has a cross bar 31 to connect the cylinder body 2 The inne...

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PUM

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Abstract

A vertical shaft single-rope lifting fall arrest system comprises a braking wire cable and a hydraulic dashpot which consists of a second hydraulic cylinder and a hydraulic circuit. The hydraulic cylinder is fixed on a shaft tower platform; one end of the braking wire cable is fixed on the upper end of a hollow piston rod by a rope clamp; the braking wire cable is suspended at the bottom of the shaft and tightened after passing through the hollow part of the hollow piston rod; the upper cavity and the lower cavity of the second hydraulic cylinder are communicated; with the function of the hydraulic circuit, instant massive attack can be effectively buffered and when hydraulic liquid passes, great energy consumption is produced so that attack towards the system can be reduced and the kinetic energy of falling containers can be consumed away so as to have the buffer function and protect the personnel safety.

Description

Technical field: [0001] The invention relates to a single-rope hoisting and anti-falling system for an underground mining shaft. Background technique: [0002] According to the requirements of the design specification, when the underground mine shaft is hoisted with a single rope, in order to prevent the hoisting wire rope from breaking and causing major safety accidents, an anti-falling system must be installed. The function of the anti-drop system is to reliably brake the lifting container on the brake rope when the lifting wire rope breaks, and in the process, it must not only ensure personal safety, but also ensure that no personal injury occurs. To ensure no harm to the person, the deceleration must be controlled not to exceed -5m / s 2 . The control of deceleration in the anti-drop system is realized through the buffer. Therefore, the buffer is one of the essential components in the anti-fall system, and the braking characteristics and changing rules of the anti-fall ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62B35/04
Inventor 韩晓明禹建平周萍
Owner CINF ENG CO LTD
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