NEWS

Crane Manufacturers

How to operate an electric single girder crane


Release time:

2018-03-22

Source:

1, the wire rope has reached the end-of-life warranty. 2, the use of hooks, pulleys and reels have reached the end of the standard. 3、The brake is not within the braking standard. 4、The limit switch does not work. 5、Cracks or welds appear in the parts that mainly bear gravity.

First, if the crane exists in some of the following situations one, must not be used

1, the wire rope has reached the end-of-life warranty.

2, the use of hooks, pulleys and reels have reached the end of the standard.

3、The brake is not within the braking standard.

4、The limit switch does not work.

5、Cracks or welds appear in the parts that mainly bear gravity.

6, the main beam appears elastic deformation, or permanent deformation of the repair limit.

7、Wheels are cracked, and there is a phenomenon of dropping pieces or serious chewing of rails and "three legs".

8, the temperature of the motor rises more than the specified number.

9、There are people in the car.

10, after the new security or modification, not after the test qualified.

Second, how to operate the crane

1, a few points to do before the operation:

(1), must first understand the condition of the equipment. The former operator to understand the situation of the equipment.

(2), check all parts, including hooks and spreaders and wire rope and electrical parts.

(3), see if the things on the car will fall down, is not tight, no loose, and then test the empty car.

2, in the crane operation process to do a few points:

(1), the operation of the wire rope should be correctly coiled, can not appear chaotic roll, if there is such a situation, it is necessary to drop it to straighten out and then hang.

(2), when lifting items can not be out of the head or other equipment through the top.

(3), if there are two machines working together at the same time, can not let them push and pull collision, should leave a certain distance.

(4), in the work, if a sudden power failure, to put the machine in all the controller handle back to zero, in the beginning of a new job, to see if the machine is operating normally.

3, after the crane operation to do a few things:

(1), after stopping the work, the car should be placed in the designated place, can not be parked at random, the hook should be raised to a height of more than 2 meters, put all kinds of controller handle to the zero position, disconnect the power to pull down the gate.

(2), pay attention to the normal repair and maintenance of daily life, and do a good job of handover.

4, crane operation in the "ten do not hang".

(1), more than the specified load of the crane is not lifted.

(2), the weight is not clear, the signal command is not clear, the light is not good.

(3), the items are not tied, not solid, unsafe not lifting.

(4), not lifting the items being processed.

(5), not straight, crooked not lifting.

(6), the lifted items on people, or live animals will not be lifted.

(7), easy to burn and late explosion of the goods will not be lifted.

(8), the items have sharp corners are not wrapped not lifting.

(9), in the ground buried items noisy lifting.

(10), the command is illegal when not lifting.

5, the crane should be stable in operation, up and down line three aspects should be stable, and close to others or car to ring the bell.

6, the crane in operation, someone to stop the signal to stop immediately.

7, the crane should be operated in a safe place to swim flip with flip.

8, the crane in operation, lifting heavy objects, lifting height of not more than half a meter.

9, the crane in the lifting of heavy mass close to the full amount, the first 10 centimeters to rise, stop to check the braking performance of the machine.

10, the crane in the normal can not hit the reverse car, lifting, can not operate more than two agencies at the same time.