Code of practice for 3 t single beam crane

I. model and operating parameters of 3-ton single-beam crane

1. The driving model is ld3t-12m, and the lifting principal degree H=6m.

2. The lifting speed is 8 meters/min.

3, electric hoist (car) running speed of 20 meters/min

4. The driving speed (big car) is 20 meters/min.

Ii. Operation steps and matters needing attention at the beginning of single beam

1. Driving power supply power supply; one hand switch start; one touch button to confirm that there is no abnormality; one lifting object.

2. Notes for starting 3-ton single-beam crane:

A. Lifting more than 3 tons of heavy objects is prohibited.

B. Objects and hooks should not be lifted when swinging.

C shall lift the hoist when the hoist is moved directly above the object. It is forbidden to lift the inclined hoist .

D when the wire rope is bent, deformed or corroded.

E. The wire rope shall not be lifted when there is a large amount of wear.

3. Matters needing attention in the use of single beam crane.

1. Limit device is not allowed to be used repeatedly for stroke switch.

2. No one shall be under the lifting object.

3. The 3-ton single-beam crane shall not be over-inked.

Four, the single beam crane to complete the operation steps and matters needing attention.

1. Place the object to be hoisted. 1. Lift the lifting hook from a position 2 meters above the ground.

2. Matters needing attention when the operation of 3-ton single-beam crane is completed.

A. Do not hang heavy objects in the air.

B. Do not put the electric hoist in the middle of the main girder of the crane.

C.Do not touch the limiter when the operation stops