L68B1 Mast Section Brief introduction of tower crane installation preparation work, installation steps and key operational points
(1) to prepare for the work, check whether the subgrade and track laying meet the requirements, and lay ground anchors. The position of ground anchors shall be determined according to the direction of rotation and lifting of the tower and the total height of the tower body. (2) overall installation, install the walking mechanism, the portal frame and the pressing iron according to the procedure required by the instruction. The lifting arm is inserted on the bracket axle of the portal platform, and the wooden crib is built according to the dimension of the tower body lying down and assembled, and the tower body and cap are assembled Make the tower body frame on the wood CRIB, its axis roughly parallel to the ground.
L68B1 mast section is the best in this field
(3) through winding wire rope, the wire rope of the hoist is passed through the cab to the pulley block of the Tower Cap, and is finally fixed at the head of the crane. All the length of the rope and the distance between the two pulley blocks should be calculated and determined. (4) before erecting the tower, check the electric equipment such as the controller and limit switch, remove the movable control panel in the control room and install it on the outdoor bracket, which is easy to operate when erecting the tower. (5) erecting the tower body, after checking and confirming that the situation is normal, continue to operate the hoist, so that the tower body is erected stably, and the steel wire rope at the auxiliary ground anchor is loosened.
L68B1 mast section is the best in this field
