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Auxiliary braking device used for preventing inverted running and overspeed of escalator

An escalator and auxiliary braking technology, applied in escalators, axial brakes, mechanical equipment, etc., can solve problems such as applying brakes, and achieve the effect of preventing safety accidents

Inactive Publication Date: 2013-01-02
SONGSAN SPECIAL ELEVATORS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is therefore difficult to safely apply the brakes to the escalator with sufficient force

Method used

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  • Auxiliary braking device used for preventing inverted running and overspeed of escalator
  • Auxiliary braking device used for preventing inverted running and overspeed of escalator
  • Auxiliary braking device used for preventing inverted running and overspeed of escalator

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Embodiment Construction

[0041] Some preferred embodiments of the auxiliary braking device for preventing reverse running and overspeed of an escalator according to the present invention will now be described in detail with reference to the accompanying drawings.

[0042] refer to Figure 3 to Figure 8, the method of controlling an auxiliary braking device for preventing reverse running and overspeed of an escalator includes the steps of: confirming whether the escalator is moving upward or downward; if the escalator is moving upward, using a reverse rotation detection sensor 31 to detect whether the escalator rotates reversely, if the escalator is moving downwards, then utilize the overspeed detection sensor 32 to detect the downward speed of the escalator; if the downward speed of the escalator detected by the overspeed detection sensor 32 exceeds the first If the speed is specified, a cut-off signal is supplied to the safety circuit of the main control panel 20 to cut off the power supply to the dr...

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PUM

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Abstract

The present invention relates to an auxiliary braking device used for preventing inverted running and overspeed of an escalator. The auxiliary braking device comprises: an escalator rotating shaft which rotates along a forward direction or a reverse direction with the help of a driving motor, so as to enable a step chain bearing escalator steps to move upwards or downwards, wherein the escalator rotating shaft has a drive chain wheel engaged with the step chain; a reverse rotation detection sensor used for detecting a rotating direction of the escalator rotating shaft; an overspeed detection sensor used for detecting a rotating speed of the escalator rotating shaft; an emergency stop auxiliary braking device used for stopping the rotation of the escalator rotating shaft; and a control unit used for controlling the emergency stop auxiliary braking device by determining occurrence of abnormal conditions based on signals supplied from the reverse rotation detection sensor and the overspeed detection sensor.

Description

technical field [0001] The present invention relates to an auxiliary braking device for preventing reverse running and overspeed of an escalator, and more particularly relates to an auxiliary braking device capable of preventing reverse running and overspeed of an escalator to protect passengers from safety accidents and capable of Auxiliary brake equipment to maximize the emergency stopping effect of escalators. Background technique [0002] An escalator is a conveying device whose steps continuously move up or down an inclined surface to carry a large number of passengers. Escalators have been widely used in various types of public transportation facilities and public places including subways and department stores. [0003] Such as figure 1 with figure 2 As shown, a typical escalator comprises: a drive motor 100 provided with a service brake and operated by a signal supplied from a main control panel; a drive sprocket 122 positioned on one side of the escalator and Be...

Claims

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Application Information

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IPC IPC(8): B66B29/00F16D55/224F16D65/18F16D121/04
CPCB66B25/003B66B29/00
Inventor 金云永
Owner SONGSAN SPECIAL ELEVATORS
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