Large-tonnage safety tongs for vertical elevator

Abstract

The invention discloses a pair of large-tonnage safety tongs for a vertical elevator. The pair of large-tonnage safety tongs for the vertical elevator comprise a shell, hydraulic air cylinders and first movable rods, wherein a clamping groove is formed in the bottom of the front face of the shell in a penetrating mode; distance measuring instruments are installed at the bottom of the shell and located on the two sides of the clamping groove; a hydraulic box is installed at the bottom of the inner side of the shell; two sets of bearing seats are symmetrically installed on the two sides of the inner wall of the shell; the first movable rods are connected to the inner sides of the bearing seats through bolts; the hydraulic air cylinders are installed on the inner wall of the shell and located above the first movable rods; a controller is installed on the inner wall of the top of the shell; and a storage battery is installed on the inner wall of the top of the shell. According to the large-tonnage safety tongs for the vertical elevator provided by the invention, when an accident occurs in the elevator, through a loudspeaker, passengers in the elevator are guided to take correct and effective self-rescue behaviors through voice playing, the panic feeling in the passengers can be reduced through dialogue communication, and the situation that the passengers are too nervous and take wrong measures to cause danger is avoided.

Description

technical field [0001] The invention relates to the technical field of vertical elevator safety devices, in particular to a large-tonnage safety gear for vertical elevators. Background technique [0002] Vertical elevator is a kind of transportation equipment for transporting pedestrians or goods vertically. When the elevator is running, the safety gear is an important part to protect the safety of the elevator. Fix it and fix the elevator firmly to ensure that accidents and accidents are avoided. [0003] The defective that existing safety gear exists is: [0004] 1. The comparative document CN108275538A discloses a high-speed elevator safety gear, "including a safety gear base plate arranged on the top of the car, a clamping unit arranged on the safety gear base plate and used for clamping and braking the steel wire rope, setting An electromagnetic drive unit on the safety gear base plate and used to drive the clamping unit by magnetic attraction, and a mobile connection...

AI Technical Summary

Problems solved by technology

"When an emergency occurs, the device lacks a device to relieve the psychological pressure of the people inside the elevator. When an accident occurs, people will feel very uneasy and anxious in a closed space.

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