Vertical type cargo-lifts have traditional traction type elevator safety devices at the same time, also has: overflow valve: can prevent the upward motion of the system pressure is too high, emergency manual valve, power failure occurs, can make the capsules emergency position down to the nearest floor to open the door, manual pump: when the system failure occurs, the manual pump can be manipulated with high pressure oil to make the car up to the nearest floor location; Pipeline rupture valve: when the hydraulic system pipeline rupture capsules stall falls, can automatically cut off the oil stopped falling. Tank of oil temperature protection: when the medium oil tank temperature exceeds the set value, the oil temperature protection device of signal, suspended the use, when the oil temperature drop behind can activate the elevator.