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Braking type elevator with load being self-locked

A hoist and self-locking technology, applied in the direction of the clockwork mechanism, hoisting device, etc., can solve the problems of over-speed falling of the load, unresolved safety hazards, broken rope, etc., and achieve the effect of high service life.

Inactive Publication Date: 2006-08-30
何先锋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to solve the friction brake type and rope-groove coupled hoist existing in the domestic and foreign high-altitude operation electric hoists, which have brake failure, broken gears, resulting in loss of brake function, and broken ropes caused by over-pressure steel ropes; Undervoltage causes the load to overspeed and fall, the safety lock fails to fail, the failure cannot be controlled and causes casualties, and the accidents that have lasted for 20 years have continued unabated. The safety hazards have not been cured. Dynamic principle, quantitative design technology, with a reasonable and simple structure, reflect the mechanism of load self-locking braking and operation, with a new theory and technology guarantee, to achieve reliable braking, long-term load will never slide, and will not cause broken ropes, A new load self-locking brake hoist with disadvantages such as load drop and overspeed

Method used

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  • Braking type elevator with load being self-locked
  • Braking type elevator with load being self-locked
  • Braking type elevator with load being self-locked

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Embodiment Construction

[0061] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0062] The load self-locking brake hoist is a single-groove type, a V-groove reel and a load steel rope wrapped in a V-shaped wedge groove. The action of the pulley, the resultant force formed by the load force and the tension generated by the tension wheel changing direction acts on the lever to form a resultant turning moment. Under the action of this moment, the end point of the envelope angle ψ is obtained. The pressing force N of the pressing wheel on the compactor passes through the center line of the pressing wheel and the V-groove reel, and this pressing state is called "absolute self-locking state (see Figure 14 , 17 )", the quantitative pressing force of the pressing wheel realizes load self-locking braking; when the reel is driven, a tangential driving rotational force is generated on the contact interface between the compressed steel rope ...

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Abstract

A raiser with load self-locking brake is composed of a load-bearing steel cable, a safety steel cable, a motor, a frequency-varying speed regulation and cage inclination control system, a casing consisting of case, winding wheel with V-shaped slot, lever-type squeezer, planetary speed reducer, lowering speed limiting and regulating device and safety lock, and steel cable winder. Its advantages are load self-locking braking, automatic running switching and automatically regulated and reliable braking.

Description

technical field [0001] The invention relates to a hoisting machine with unlimited travel, rotary type, rope and groove combined hoist, in particular to a load self-locking brake hoist. Background technique [0002] The typical structural model of traditional hoisting machinery products uses a fixed-capacity reel as the lifting power output component, and the load lifting operation is realized by the steel rope that coils the load. Its working stroke is limited by the capacity of the reel, and it is impossible to achieve ultra-high , ultra-long or even unlimited lifting operation, and the volume and weight are large, all of which use traditional friction brakes, which cannot carry the brakes for a long time, so it is not suitable as a supporting power device for the high-altitude manned work gondola in the construction industry. As early as the 1870s, a straight-line running, intermittent and pulsating wire rope hand puller appeared in Western Europe. It belongs to the parall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66D1/00B66D1/28B66D1/22B66D5/02
Inventor 何兆恒何先锋
Owner 何先锋