What kinds of audio signals do crane drivers use? What does signal correspondence mean?

1, the lifting command signal is divided into gestures, sounds and semaphores.

2. When the heavy object is suspended in the air and the brake of the crane suddenly fails, the crane driver should take ascending action to ensure that the heavy object does not fall freely, move the heavy object to a safe place and put it down, and do not return to the zero position in the process, so as to avoid accidents caused by the free fall of the heavy object.

3. The sound signal used by crane drivers consists of five simple sounds with different lengths.

A long sound: "Ready", "Stop"

Two short sounds: "positive"

Three short notes: "inversion"

Intermittent short tone: "inching"

Long and urgent voice: "stop"

4, the basic requirements for crane driver operation is:

(1), seriously implement the crane operation procedures and relevant management regulations.

(2), seriously implement the crane safety operation procedures, strictly abide by labor discipline.

(3), do a good job of preparation and inspection before driving, to ensure the equipment in good condition and correct operation.

(4) If the crane driver is unwell, he should explain to the leader that he is not allowed to get on the bus under normal circumstances.

(5) concentrate on your work and don't play jokes on others on the ground.

(6) When the crane moves, it must ring the bell before it can start.

(7) The crane driver should obey the command of the ground commander and be consistent with the commander.

(8) Be familiar with the equipment operation, maintenance and personal safety of this position.

(9), to do a good job of lubrication and cleaning.

5. Safety precautions for crane drivers when climbing: pay attention to anti-skid and prevent falling when going up and down.

Extended data:

Requirements for safe operation of crane drivers:

1, it is forbidden for lifting workers to drink alcohol before and during the shift. Lifting operators must be energetic and focused when operating. No eating, reading, chatting, dozing off, joking, etc. It is allowed during operation.

2. When lifting workers take over, routine inspection should be carried out. If any abnormality is found in the equipment and parts, it must be removed before operation.

3. Before the crane starts, you must ring the bell or call the police. When the crane approaches people in operation, it should also give an intermittent bell or alarm. ?

4, the operation must be carried out according to the command signal. The emergency stop signal, no matter who sent it, should be carried out immediately.

5. Non-crane drivers are not allowed to enter the crane cab casually. Maintenance personnel can only enter the cab after obtaining the permission of the crane driver.

6. Only when it is confirmed that there is no one on or around the crane can the main power supply be turned off. If there is a lock or sign on the power circuit breaker, it should be removed by relevant personnel before turning off the main power supply.

7. Before turning off the main power supply, all controller handles should be set to zero.