What is the working principle of elevator door lock?

Elevator lock, it is car door, layer door lock device (refer to commonly layer door). Under normal circumstances, the door cannot be opened without a locking device, protecting the person from being cut or falling. It is an important safety device for elevator.

 

The lock is mainly composed of lock hook, lock block, force element, roller, open lock door wheel, electric safety electric shock and triangle lock.

 

  • Tock hook and lock block constitute lock effect. The lock door shall not be opened, and the meshing depth shall be over 7mm, and the endurance shall be over 1000N.

 

  • The applied force element is used to automatically reset the door lock after opening the door. It is a reset device (when it fails, gravity shall not open the door lock).

 

  • The roller and the unlocked door wheel are used to open the lock. When the elevator arrives at the station, the door operator is driven by a series of mechanical drives. Finally, the door cam is used to drive the roller and the unlocked door wheel to open the door lock and pull the door open.

 

  • The electric safety shock is to verify whether the lock hook and lock gear meshing reach more than 7mm. Once the electric safety shock is broken, the elevator shall not operate.

 

5) Triangle lock is used to open the layer door under abnormal circumstances, that is, the triangle lock on the layer door. Non-professionals are not allowed to use it.

Elevator 161 Mitsubishi Landing Door Lock, Elevator Landing Door Lock for Header Track, Elevator Right Landing Door Lock, OTIS Lift Landing Door Lock, Elevator Landing Door Lock, Elevator Landing Door Lock Supplier, Elevator Landing Door Lock Manufacturer, Elevator Landing Door Lock Factory, Elevator Landing Door Lock Exporter, Wholesale Elevator Landing Door Lock, Cheap Elevator Landing Door Lock from China, XAA431R1-Right

Elevator 161 Mitsubishi Landing Door Lock, Elevator Landing Door Lock for Header Track, Elevator Right Landing Door Lock, OTIS Lift Landing Door Lock, Elevator Landing Door Lock, Elevator Landing Door Lock Supplier, Elevator Landing Door Lock Manufacturer, Elevator Landing Door Lock Factory, Elevator Landing Door Lock Exporter, Wholesale Elevator Landing Door Lock, Cheap Elevator Landing Door Lock from China, XAA431R1-RightContinue reading

Elevator safety part – Door Cam

There is an important part in elevator equipment called elevator door cam, which can improve the safety coefficient of elevator door, effectively guarantee the safety of passenger and passenger, flexible response and effective operation. It is one of the important elevator safety parts.

 

Elevator door cam function: Elevator door cam is a mechanism responsible for opening and closing the car door of elevator hall. When it receives the signal of elevator opening and closing, the elevator door machine controls the door motor through its own control system, turning the torque generated by the motor into a force in a specific direction, and closing or opening the door. When the closing force of the door is greater than 150N, the door machine will automatically stop closing the door and reverse open the door to play a certain degree of closing protection.

Elevator safety part door cam, what is the elevator door cam, traction rope of elevator, door cam safety device ensures the safety of elevator, elevator door cam size, elevator door cam specificationContinue reading