The hoisting and handling on the construction site is divided into two categories: one is mechanical hoisting and handling, and the other is manual hoisting and handling.
Common Tools
①Jack: It should not be overloaded, and it should be placed on a solid and flat foundation and perpendicular to the object being lifted.
② Chain hoist: Check whether the parts are in good condition before use; do not use overload; the hoist must be hung firmly and lifted slowly; it is not advisable to park for a long time under the action load, and tie the zipper to the heavy chain if necessary; the transmission part should pay attention to lubricate frequently.
Methods of loading, unloading and handling: Rolling method