In recent years, low-quality chain Block gradually increased, mainly due to the number of small enterprises in order to reduce costs, thereby reducing the production of investment goods, most chain hoists accessories are used with external processing or production chain hoists used equipment parts assembled, reduced parts of the standard size, material, lifting chain welding surface treatment, low-cost chain hoists to be produced without any guarantee of quality, of course.
Remind you to buy before the
manual hoist must check the packaging, production date, gourd material degree and product shelf life and so on. The contract must be signed by both parties save. Here's how to select the right chain hoists, for your reference:
1, in normal use, the hand chain hoists chain will be stuck.
2, the normal use chain hoists lifting heavy objects will appear downturn.
3, the use of chain hoists lifting heavy objects can not only occur when the next situation.
4, when the upper and lower hook plates,lever hoist severe deformation does not work, can not guarantee things will not be hanging slip hook.
5, in the safe use of load chain hoists, chains, hooks and other load bearing parts may deform or crack and so on.