L48A1 Mast Section For Tower Crane Masts

  • L48A1 Mast Section For Tower Crane Masts
  • L48A1 Mast Section For Tower Crane Masts
  • L48A1 Mast Section For Tower Crane Masts
L48A1 Mast Section For Tower Crane Masts
  • ZCJJ
  • China
  • 10days
  • 50pcs

Dammam Hull Tower crane, Benisuvov Tower crane,
Mansula Tower crane, Dumat Tower crane,
Fayumu Tower crane, Tanta Tower crane,

products Specification

Type , Model: L48A1 Mast Section For Tower Crane Masts

Size: 1.6mx1.6mx3m 

Materials: Q345B

Within: Pins, bolts, Ladder, Platform

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.

L48A1 Mast Section

L48A1 Masts

1.6m L type mast

L48A1 Mast Section For Tower Crane Masts

 

Tower Crane Knowledge sharing

 

Operation steps and matters needing attention for electrifying tower crane

This paper mainly explains the operation steps and matters needing attention of electrifying the tower crane. This site about tower crane technology article, part of the network collection collation, only for reference. If you have any question can contact with our factory

(1) switch on each contactor, successively dial the corresponding limit switch and over-current relay normally closed contact, to see its ability to cut off the control current.

(2) connect the total contactor, and then toggle the safety protection contact (such as height limit device, weight limit device, torque limit device), and then start the lifting mechanism. At this point, it should stay on. Indicate that the safety device and its connected circuit are normal.

L48A1 Mast Section For Tower Crane Masts

(3) move any control handle to the working position, and then press the "start" button, the main contactor should not move, then the zero protection has played a role.

(4) pull all the operating handles in the middle, press the "start" button, check the action of the main contactor, and then press the "stop" button, the main contactor should jump.

Operation test steps and matters needing attention for connecting main circuit of tower crane

This article mainly explains the steps and matters needing attention of the operation test of the tower crane connecting the main circuit. How to have a problem please contact with our factory, our factory will do our best to answer you。

(1) respectively operate the tower crane agencies, observe the height limit, car travel limit, cart travel limit, rotation limit, the limit switch is consistent with the direction of operation, and can accurately action power, otherwise it will be adjusted.

L48A1 Mast Section For Tower Crane Masts

(2) on the whole machine parts of the wire, cable and its connection for a comprehensive inspection. Especially in the wire joints, bending and contact high temperature places to strengthen inspection.

These places are the most likely to break the wire, damage the power supply, so must focus on inspection, found hidden dangers to promptly deal with or replace the new wire and cable.

(3) make each motor run in turn, check whether the starting, running is smooth and normal, there is no noise. At the same time to observe the multi - speed motor and sliding ring motor speed. If the problem is found, find out the reason and solve it.

(4) pull the lifting, turning, car, cart controller, check the operating direction and the actual running direction is consistent, if not, it is necessary to adjust.

L48A1 Mast Section For Tower Crane Masts

 

 


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