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Gantry Crane Hoist

Analysis the reason why Gantry Crane Electric Hoist Unable to Operate

Gantry crane

1, check whether the power fuse of the equipment is broken or not, If it breaks apart, so that electric hoist can not turn up, the electric hoist starting torque is zero, so that the motor of its equipment will not work, and it needs to replace enough fuse.

2, the power grid voltage is too low, so that the device’s torque and the voltage is proportional to the square, the acceleration torque can not overcome the load torque, can not reach the speed, what need to do is to improve the equipment Grid voltage.

3, the stator winding phase short circuit, ground or open circuit, which refers to the electric hoist winding ground wire leads to the ground floor, you need to do is open the junction box check. It is important to note that the motor can not be inspected at the time of short circuit. It is important to check whether the wiring of the control equipment is correct. If the contact of the communication contactor is poor, the connection can not be connected. Stains polished, and at the same time also need to check the core pull and disconnect the situation, with or without blocking phenomenon, if there is need to be replaced.

4, there is also need to pay attention to is the Gantry Crane accessories electric hoist if the load is too large, it can not lift heavy objects can not be overloaded, that is, there can not turn the electric hoist, the solution is to remove the load, if the inspection of the motor Can be normal start, indicating the gearbox and other transmission mechanism is faulty, check the drag mechanism, clear the fault. When running again, the entire Gantry Crane is required to be tested and run after the test is good.

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