2015年8月7日星期五

Crane Maintenance

With the rapid development of China's urbanization, the crane with its strong scalability, large capacity characteristics, in terms of construction, cargo handling and other playing an increasingly large role. However, due to the risks involved in the field of mechanical and electrical construction cranes and aerial work operation, etc., it also became a construction safety Each crane driver must pay attention to the matter.
1. Do not pay attention to maintenance from the weight of limiter does not regulate the limiter from the weight on the use of, or even deliberately do not, or increase the limit value, so that from the weight of limiter should not restrict the protective effect.
2. The lifting mechanism brake not adjusted too loose. When overweight high speed decentralization, due to the inertia of the system could not produce coasting fall.
3. Wrap rate mechanism, when the 2-for-4 magnification switching magnification is not in place, did not pay attention to check, or no increase insurance sales, in lifting the pulley activity will suddenly drop, causing a major accident.
The twisted rope play rope serious disorder, not immediately removed, forced to use.

没有评论:

发表评论