• Model NO.：all models
• Color：as Photos
• Transport Package：Wooden Case
• Specification：Standard
• Trademark：SYM
• Origin：Liaoning, China
• HS Code：8131499900
• Production Capacity：5000pieces,Month

A.for straight track chassis2 .Cross-members carrying on either end of a fixed fork.B.for straight /curved track chassis2cross-memebers carring on one end of a fixed fork and on the other end of a sliding fork.
We supply scm f0/23b tower crane travelling chassis.SCM one of most famous brands in Chinese market, which is widely used in machines construction.
The protection device of a crane changing the rope
Transformer type tower crane luffing trolley cars in operation of wire rope sudden rupture due to some reason, under the "huge gravity, amplitude caused by the small car quickly to run out of control, and the lifting heavy objects fall fast, easy to cause accident.Therefore, it is necessary to invent a kind of insurance device that can effectively prevent the car movement and the hook from falling rapidly when the car suddenly loses control, and ensure the safety.1. The reason for breaking the rope
 (1) the wire rope is not matched, including: the safety factor of the wire rope chosen is too small, the wire rope model and the rope diameter are small.
the quality of the wire rope is not qualified or has been scrapped.

1. the pulley diameter is too small or the wheel groove wear out too large, the pulley bearing damage caused the pulley to shake.
2.  the wire rope is tightly fastened and the rope card is less than three.
3. the steel wire rope has too little or no lock on the cob, leading to the slippage of the rope head.

SYM HOIST & TOWER CRANE QUIPMENT CO.,LTD located in Shenyang China is one of the biggest supplier and export of tower crane, luffing crane , topless crane , passenger hoist along with the spare parts for them. With 20 years' experience on tower crane rent , installation , repair and reconstruction, the company has more than 50 experienced mechanical and electrical engineer responsible for the installation guide, failure diagnosis, maintainance and reconstruction for the tower craneattheconstructionsite.
Having a long-term and good cooperative relationship with China's most famous manufacturer of tower crane and passenger hoist like YONGMAO, SANYO, Sichuan SCM, Zoomlion, GJJ, BAODA,etc. The company can offer you the best quality original tower crane and passenger hoist with most competitive price.

Also, we can provide customers with the best professional services, help customers make the right judgment, also the prompt shipment because of the largest number and most complete tower crane and passenger hoist spare parts inventory.
Our trading partners go all over the world, mainly in South-East Asia (Singapore, Hong Kong, Malaysia, Indonesia, the Philippines, Thailand, South Korea, Vietnam ), Middle East (The United Arab Emirates, Saudi Arabia, Qatar, Bahrain, Kuwait, Iran ), India, Russia, Ukraine, Brazil, etc.