The invention relates to a dragging chain breakage protection switch touch device and belongs to the technical field of escalator. The dragging chain breakage protection switch touch device comprises a traction wheel, a traction machine, a traction chain and a protection switch. The traction wheel and the traction machine are connected through the traction chain, and the protection switch is installed on a switch frame on the left side of the traction machine. A protection switch touch device body is arranged on the upper portion of the traction machine and is composed of a switch touch plate, an installation frame, a connecting plate, a beating stick and a rotating shaft connecting rod, the installation frame is fixedly installed on the traction machine, the lower end of the beating stick is installed on the left side of the installation frame, the middle of the rotating shaft connecting rod is fixedly connected to the beating stick, the right end of the rotating shaft connecting rod is fixedly installed on the installation frame, the left end of the rotating shaft connecting rod is movably connected with the connecting plate and provided with a reset clamping groove device, and the middle of the switch touch plate is fixedly installed at the left end of the connecting plate. When the upper portion of the traction chain is broken, the broken traction chain touches the protection switch touch device body, the traction machine inside an escalator is made to stop working, reverse rotation of the escalator is prevented, and the safety of passengers is ensured.
Dragging chain breakage protection switch touch device
2015-10-07
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
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