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Safety Gear

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What are functions of elevator safety gear?


1.Elevator safety gear is the part of elevator, which is the safety protection device for protecting elevator runs safely.
2.Elevator safety gear is operated by elevator overspeed governor, the function is that stops the elevator car and holds the elevator car at the elevator guide rail in an emergency.
3.When the running speed of elevator car exceeds the set speed by elevator overspeed governor, or elevator suspension rope is in broken or lose situation. Elevator safety gear provides effective protection for elevator running in safe; usually it is installed on the elevator car or counterweight frame.

 

Types of Elevator safety gear


1.In accordance with the different structure of its brake components, elevator safety gear can be divided into wedge-shaped block, eccentric gear, and roller.
2. According to stop distance, it can be divided into instantaneous safety gear and progressive safety gear.

Progressive Safety Gear
(For Passenger Elevator)
OX-210A Lift rated speed ≤2.5m/s
Allowable gross mass(P+Q) 947-4122kg
Width of guide rail 9/10/15.88/16mm
OX-210B Lift rated speed ≤2.5m/s
Allowable gross mass(P+Q) 538-3480kg
Width of guide rail 10/15.88/16mm
OX-188 Lift rated speed 2.5m/s
Allowable gross mass(P+Q) 809-5125kg
Width of guide rail 10/15.88/16mm
OX-188A Lift rated speed ≤2.5m/s
Allowable gross mass(P+Q) 1143-6292kg
Width of guide rail 10/15.88/16mm
OX-188B Lift rated speed ≤2.5m/s
Allowable gross mass(P+Q) 565-3240kg
Width of guide rail 10/15.88/16mm
lnstantaneous Safety Gear
(For Passenger Elevator)
OX-088 Lift rated speed ≤0.63m/s
Allowable gross mass(P+Q) ≤1271kg&1627kg
Width of guide rail 10&16mm
OX-288 Lift rated speed ≤0.63m/s
Allowable gross mass(P+Q) ≤850Okg
Width of guide rail 15.88/16mm
OX-388 Lift rated speed ≤0.63m/s
Allowable gross mass(P+Q) ≤12500kg
Width of guide rail 15.88/16mm