A pneumatic brake release apparatus used on an elevator traction machine, includes an air cabin, an air storage tank, air delivery pipes, air films, a push rod and air control apparatuses. The air films are arranged at two sides in the air cabin, one end of the push rod is connected to the air films, the other end of the push rod penetrates through the outer wall of the air cabin and is connected with the upper end of a locking arm, an intermediate air cabin of the air cabin is provided with an intermediate air inlet end and an intermediate air outlet end, a film-anterior air cabin of the air cabin is provided with a film-anterior air inlet end, the intermediate air inlet end and the film-anterior air inlet end of the air cabin are respectively connected with the air storage tank by virtue of the air delivery pipes, and the intermediate air outlet end is directly communicated with the atmosphere.
Pneumatic brake release apparatus used on elevator traction machine
2019-03-12
Patent
Electronic Resource
English
PNEUMATIC BRAKE RELEASE APPARATUS USED ON ELEVATOR TRACTION MACHINE
European Patent Office | 2017
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