Drive unit for entrance and exit systems
一种驱动装置、设备的技术,应用在门装置、机械设备、运输和包装等方向,能够解决难手动移动等问题,达到结构简单的效果
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[0019] figure 1 Shows a drive configured as a compact drive train, for example a passenger access door, in a slender tubular housing, in axial succession a drive motor 1, a first reduction gear 2, an energizable clutch 3 and a second reduction gear gear 4. The driven part of the drive motor 1 is thus connected to the input part of the first reduction gear 2 , the output part 2 . 1 of the first reduction gear 2 is connected to the input part 4 . Clutch 3 cooperates under the effect of compression spring 3.1. The clutch part has an actuating plate 3.2 for disengagement, which is connected to the emergency unlocking device in a manner not shown in the figure by means of a Bowden cable 5; Clutch 3 overcomes the active force of spring 3.1 and disengages.
[0020] An actually known electromagnetic releasable brake 6 is provided on the electric motor 1 , which engages under the action of a spring and is not shown in detail here.
[0021] Furthermore, a device 7 is arranged on the...
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