What should be paid attention to when lifting? today Huai'an Crane Leasing Company Let's get to know!
1. For newly installed, overhauled or replaced lifting machinery, lifting test must be carried out according to relevant provisions of crane performance test before use.
2. Before each shift, the safety performance test of lifting, rotating, no-load luffing, front and rear left and right operation and brake limit device shall be carried out. If Equipment displacement In case of failure, it shall be eliminated before formal operation.
3. The crane driver and the signalman shall contact each other according to various specified gestures or signals. During operation, the driver shall closely cooperate with the signalman and obey the command of the signalman. However, in case of danger during lifting operation, no matter who sends the emergency stop signal, the driver should stop immediately.
4. After receiving the lifting signal from the signalman, the driver must sound the signal before lifting. When lifting, lift the load off the ground first. When the weight is hung firmly, the braking performance is good, and the crane is stable, the lifting shall continue.
5. When lifting heavy objects, the hook wire rope should be kept vertical, and it is strictly prohibited to use the hook wire rope to pull the lifted objects obliquely. When the hook has been hung, but the object has not been lifted, the crane shall not move or rotate. It is forbidden to lift or pull objects buried, condensed or with unknown weight.
6. When lifting and rotating heavy objects, the speed should be uniform and stable to avoid the danger of heavy objects swinging in the air. When putting down heavy objects, do not walk too fast to avoid damage caused by sudden fall. When lifting long and heavy objects, special personnel shall pull the sliding rope. Prevent accidents caused by large swing.
7. When the crane lifts high objects, a certain distance shall be kept between the hook and the pulley to prevent the wire rope from breaking or the boom from tilting backward due to the restrictions of the winch. When the boom reaches the maximum elevation angle and the hook is at the lowest position, the wire rope on the drum shall be kept for at least 3 turns.
The above is about the use of the crane. If necessary, you can contact at any time Huai'an crane rental 。
