1.6M mast 180MM*18MM angle steel
2.0M mast 200MM*20MM angle steel
The telescopic cage use for the telescoping of the section.the telescoping procedure compirses 3 distinct phases:
1、Prepare the crane for the telescoping.
2、Crane balancing, the crane balancing is obtained by moving the trolley latter can carry an appropriate load.
3、The telescoping operation consists in providing by successive telescoping phases sufficient spare between the telescoped part and the tower so as to be able to introduce a mast section
The telescoping cage can jacking the tower crane with pump, cylinder and yoke. When it works, the telescoping cage jack the parts above the slewing table (slewing table included) and there is enough space for one section to be added, so that the tower crane can reach a new height according to your need.
The telescopic cage is all processed by the overrall
sand blasting process. The surface is smoother and
more beautiful. It is treated with anti-corrosion blasting.
It uses the highest quality paint in the tower crane industry,
with strong adhesion and longer durability.
All chord connections are all gas-shielded and
welded. All the products are tested by weld
inspection, x-ray and UT ultrasonic inspection.
It is more secure.
SYM has more than 20 years tower crane experience.
SYM will supply you best professional advice. 24 hours
customer service give you quickly feedback.