DRIVE APPARATUS FOR REVOLVING DOOR ROTOR

摘要

The present invention discloses a drive apparatus for a rotor of a revolving door, wherein the drive apparatus comprises a drive device, which is motion-coupled to the rotor via a drive belt. The drive apparatus further comprises a tensioning device for tensioning and deflecting the drive belt, wherein the drive belt runs via the drive device and via the tensioning device. The tensioning device and/or the drive device are mounted with a variable distance between one another, so that an extension of the drive belt caused by acceleration or deceleration of the rotor is compensated by varying the distance between the tensioning device and the drive device.

主权项

1. Drive device for a rotor of a revolving door, comprising:
a drive apparatus; a drive belt; the drive apparatus is coupled to the rotor in terms of movement by means of the drive belt; wherein the following features: the drive device further comprises a clamping apparatus for clamping and redirecting the drive belt; the drive belt extends over the drive apparatus and the clamping apparatus; the clamping apparatus and the drive apparatus are supported so as to be variable in terms of spacing relative to each other in such a manner that an expansion of the drive belt in the event of acceleration or braking of the rotor is compensated for by the spacing change of the clamping apparatus with respect to the drive apparatus; the drive belt (20) comprises a toothed side (20′) and a non-toothed side (20″); the drive apparatus (10) comprises a toothed drive wheel (10) which is in engagement with the toothed side (20′) of the drive belt (20); and the non-toothed side (20″) is in abutment with the clamping apparatus (30, 40) and with a belt pulley (2) which is connected to the rotor for conjoint rotation.