微信公众号
Language
中文
English
Do you know the reason why tower cranes slip hooks?
Release Time:
Feb 22,2024
Do you know what causes tower cranes to slip hook? Below to learn about it!
Do you know what causes tower cranes to slip hook? Below to learn about it!
First, the tower crane distribution box in the contactor power supply inlet and outlet line fixing screws loose, the terminal board terminal pins poor contact, poor contact with the main contact of the contactor.
Second, the motor rotor, stator coil of the terminal pin erosion contact is poor.
High and low speed motor brake pads are worn out beyond the specified requirements.
Gearbox gears are broken and fixed gear bolts are loose.
The phase loss protector does not work.
Preventive measures
Due to the rapid development of high-rise buildings over the years, the use of vertical transport machinery tower cranes in the construction of a sharp increase in the number of tower cranes tipping over the major safety accidents have occurred repeatedly, how to prevent is the key.
First, the driver should be calm after the phenomenon of slippery hook in the work, and notify the signaller in time to let the ground personnel go away. In accordance with the provisions of the operating procedures for operation, hook, arm, go trolley, etc., will be placed in the site of the heavy no man's land.
Second, do a good job of pre-shift, shift and post-shift safety inspection, to use eyes, ears, manual and other forms of inspection.
Third, from time to time to carry out a variety of line connection point inspection and tightening.
Fourth, to regularly check whether the brake brake pads are normal, the motor wiring bolt contact is good, as well as the contactor main contact contact is normal.
V. Maintenance personnel should be serious and responsible for the work, in strict accordance with the requirements of the safety regulations to do, the replacement parts must be replaced, do a good job after the work of inspection, test run work.
Jiangsu Ruikai Machinery Co., Ltd.
Tel: +86-18962698786
Whatsapp: +1 (530) 564‑2815
Mail: business@jsrkjx.com
Add: 109 Cuidun Road, Tanghe Street, Jianhu High-tech Industrial Park, Yancheng City, Jiangsu Province, China.
Mobile browsing