Rack type safe brake device for electromagnetic lever of lifting equipment

A technology of lifting equipment and safety braking, which is applied in elevators, hoisting devices, transportation and packaging, etc., and can solve problems such as inability to produce braking effects
CN106744145AActive Publication Date: 2017-05-31徐州市万铭精密铸造有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
徐州市万铭精密铸造有限公司
Publication Date
2017-05-31

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Abstract

The invention provides a rack type safe brake device for an electromagnetic lever of lifting equipment. A movable rack can horizontally move or can be kept on certain designated position on a rail component; after entering a brake state, the top of the movable rack is directly contacted with the main bearing structure of a cage of the lifting equipment or is contacted with bearing through an intermediate transition bearing part; an operation mechanism of the movable rack is used for operating the movable rack to horizontally move or stay on certain designated position on the rail component; and the designated position includes a brake position meshed with a driving rack of the lifting equipment or a free position which is completely separated from the driving rack of the lifting equipment at an interval. An electromagnetic lever is adopted to control the rack meshing mode for safe protection brake, and the beneficial effects of saving energy, remarkably improving the levelling accuracy and safely protecting the brake quality can be achieved.
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Description

technical field

[0001] The invention relates to the field of safety braking devices for lifting equipment, in particular to an electromagnetic lever rack type safety braking device for lifting equipment. Background technique

[0002] The safety braking measures of the existing rack and pinion lifting equipment are either by braking the motor shaft, or by braking the gear shaft, or by braking the shaft of the intermediate transmission link. These methods actually The friction brake is used to stop the gear from rotating to achieve braking; the prerequisite is that the driving gear must maintain the braking performance. If there is a problem with the driving gear, such as gear teeth failure, stopping the gear to achieve braking will not produce braking. The dynamic effect is achieved; and the use of rack brakes is a feasible method to ensure reliable braking regardless of whether the gears fail. Contents of the invention

[0003] The purpose of the present invention is to p...

Claims

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