Base Fixed Chassis For Tower Crane

Products Specification

Base Fixed Chassis For Tower Crane

Tower Crane Base Fixed Chassis 

Base Chassis   

Tower Crane under carriage

Size: 4.5mx4.5m,   6mx6m,  etc

Materials: Q345B

Process: Blasting derusting, 

Painting:  Under painting , Middle painting, Surface painting.

Our factory produce and supply almost all famous brand tower crane :Mast section, Anchor Frame, Fixing angle ,Adaptor and so on as good quality and price.

Base Fixed Chassis For Tower Crane

Tower Crane Base Fixed Chassis 

Base Chassis   

Tower Crane under carriage

 Tower Crane Knowledge sharing：

Regulations on Safety Operation of Tower Hang: Basic, Disassembly, Operation, etc..
With regard to the foundation construction plan of Tower lifting, tower lifting and lifting, and the safe operation of Tower lifting, there are 25 regulations for the safe operation of Tower lifting.

(12) No person is allowed to stay, work or pass under the lifting arm or heavy object during the lifting operation of the tower. When lifting heavy objects, it is forbidden to pass over people. It is forbidden to carry people by tower.
(13) No lifting, installation or disassembly shall be carried out when the wind reaches level 4 or above. The connection of various parts of the hydraulic lifting system must be checked before lifting. It is strictly forbidden to turn the boom and other work when climbing.
(14) The arrangement, spacing and wall distance of the poles of each attachment device shall be in accordance with the original factory regulations, and the design calculation book for the self-made poles shall be provided.
(15) Tower hoisting shall not be carried out near overhead transmission lines. If the conditions are limited to the site, security measures must be taken when operating along the line. The safety distance between the tower crane and overhead transmission wire should meet the regulations.

Base Fixed Chassis For Tower Crane

Tower Crane Base Fixed Chassis 

Base Chassis   

Tower Crane under carriage

(16) There shall be sufficient working space for the lifting of the tower. There shall be no obstacles in the lifting and landing of the heavy arm rod and the radius of rotation of the tower.
(17) Tower lifting machinery must carry out lifting operations in accordance with regulations, and must not overload or lift objects of unknown weight. In special cases, when overloading is required, it must be checked, there are technical measures to ensure safety, and with the approval of the person in charge of the enterprise's technology, there must be a person in charge of the on-site supervision before lifting, but it must not exceed 10 % of the limit.
(18) It is strictly forbidden to hang heavy weights in the air for a long time. In case of sudden failure in operations, measures should be taken to land heavy objects in a safe place, and the motor should be turned off or the power supply cut off for maintenance. In the event of a sudden power outage, all controllers should be immediately put to zero, the main power switch should be disconnected, and measures should be taken to safely reduce the weight to the ground.
(19) It is strictly forbidden to use a tower crane to pull, hang and lift heavy objects laid or condensed on the ground. Concrete members or templates poured on site must be fully loose before they can be lifted.
(20) When the lifting load reaches 90 and above of the fixed weight of the tower lifting, The weight should be lifted from the ground 20 to 50 cm to stop lifting and perform the following inspections: stability of the crane, reliability of the brake, stability of the weight, and firmness of the tying.

Base Fixed Chassis For Tower Crane

Tower Crane Base Fixed Chassis 

Base Chassis   

Tower Crane under carriage

After confirmation, you can continue to lift. For heavy objects that may be shaken, Shuanlasheng must be killed.
(21) The lifting and landing speed of heavy weights must be uniform, and it is forbidden to flicker and slow and sudden braking. The left and right rotation action should be stable, and no reverse action must be made before the rotation is stabilized. Non-gravity descending tower crane, no free drop is allowed.
(22) When lifting heavy objects, they shall be tied smoothly and firmly, and shall not pile or hang sporadic objects on heavy objects. Sporadic materials and objects must be firmly tied with hanging cages or wire ropes before they can be lifted. Items marked with the location or marking shall be tied according to the marked position. The angle between the tied wire rope and the object shall not be less than 300 °.
(23) In the event of strong winds or heavy rain, heavy snow, heavy fog and other bad weather, the tower lifting should be stopped. When working after rain and snow or in rain and snow, you should first go through the test crane to ensure that the brake is sensitive and reliable before operating.
(24) The minimum distance from the top of the tower hook device to the bottom of the car frame: 1000mm at the upper rotary rate of 2 times, and 700MM at the 4 times rate; The downward rotation is 800mm at 2 times. The rate of 4 times is 400mm, which should immediately stop lifting.

Base Fixed Chassis For Tower Crane

Tower Crane Base Fixed Chassis 

Base Chassis   

Tower Crane under carriage

(25) During the operation, when the operator temporarily leaves the operating room, he must cut off the power and lock the rail clamp. After the operation is completed, the tower crane should be parked in the middle of the track, the lifting arm should be turned to the downwind direction, and the rotary brake should be released.

The car and balance weight should be placed in a non-working state, and the hook should rise to 2 to 3M from the top of the lifting arm.