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Analysis of the function and safety performance of the electric freight elevator

by:Powerston     2021-07-17
Analysis of the function and safety performance of the electric freight elevator Let's introduce the function and safety performance of the electric freight elevator. The electric construction lift freight elevator can carry a maximum load of 30 tons, realize multi-point control, interactive interlocking of upper and lower floors, to achieve safe use; high lifting cage height, using side-mounted oil cylinders or dual-test oil cylinders, stable operation, no noise, convenient maintenance, and longer service life Long; manual lowering after power failure, emergency stop button, convenient, fast and practical; the depth of the pit is generally 375px-750px, the height of the top layer is not limited, and it can be customized according to the site environment; the floor door can be penetrated, and the inside and outside of the factory can be opened by each other. Convenient and space-saving; especially suitable for 2-3 floors of steel structure workshops, both internal and external; pumping station adopts imported pumping station, if the speed requirement is too high, adopt imported customized pumping station to meet the ideal delivery requirements, cylinders and seals Imported parts are used to solve the problem of unstable oil pressure and oil leakage from customers. Electrical parts are optional. While the electric freight elevator has the safety devices of traditional traction elevators, it is also equipped with: Hand pump: When the system fails, the hand pump can be manipulated to pump high-pressure oil to make the car rise to the nearest floor. Pipeline rupture valve: When the hydraulic system pipeline ruptures and the car stalls and descends, it can automatically cut off the oil circuit to stop the descending. Oil tank oil temperature protection: When the oil temperature in the oil tank exceeds the standard set value, the oil temperature protection device generates a signal to suspend the use of the elevator, and the elevator can only be started when the oil temperature drops. Relief valve: can prevent the system pressure from being too high during upward movement. Emergency manual valve: When the power fails, the car can be lowered to the nearest floor to open the door.
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