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Small crane Security issues more attention has been the major manufacturers, however, will have all kinds of accidents.

1. A, crane parts material problems, as well as the technology is one of the most important.Zhengzhou branch step technology co., LTD. Is China's domestic engaged in the narrow space with mini crawler crane production research of professional manufacturers.Company production of mini crawler crane with independent intellectual property rights, patent number: ZL 2009 2009 X.And has a number of mini crawler crane patent production technology.I plant production of each small crane imported accessories, ensure each crane quality qualification, performance is remarkable.
2. Second, the improper operation of the operator.Lack of knowledge, operation skill is not strong.For the crane hoisting capacity itself is not clear, to force caused by the operation.
3. Three, usually do not pay attention to maintenance, there is no perfect system of vehicle maintenance.Crane in a state of poor health, how can you don't have an accident?

Here to tell everyone about the hook set of common damage and the reason analysis:

Judging from appearance observation hook the loss of form, often as hook broken mouth parts wear and pulley wheel rim.

Hook mouth parts wear is a normal phenomenon, the main is to be suspended for weights to adjust the focus, make the steel wire rope or sling hook mouth due to sliding wear.

Pulley wheel rim, is mainly caused by collision, mainly is the hook group not ascend to the necessary height, car runtime instability or slanting inclined condole, heavy lu happened hook swing roller to other objects on the collision;Also have driver violation of operating procedures, do not check the lifting limit switch, do not pay attention to the lifting hook makes roller damage of ring.

Hook is not easy to perceive the danger is usually between thread the thread hook root and stem of empty groove, occur crack due to stress concentration.Daily maintenance should be off the hook nut, carefully clean hook nut of dirt, careful examination.To regularly check hook bolt, nut and hook or other connection parts are loose or be cut off, to prevent the hook to fall off.Check the hook end thread hook corrosion situation of nut, daub grease when necessary.

Insulation hanger on the insulation, insulation sleeve and so on can't be broken, otherwise easy to cause safety accidents, should be regularly check hook, do it in a timely manner to eliminate dust and moisture shall be immediately after drying, add grease to lubricating points on a regular basis and articulated point, hook thrust bearing place regularly come on at the bottom of the nut.

Step zhengzhou branch technology co., LTD. Production of mini crawler crane is mainly used in narrow space of the car engine workshop equipment maintenance, electric power maintenance, chemical workshop maintenance, building curtain wall installation, the construction of the high speed rail station, and cemetery stone industry situations in the narrow space.If you are interested in our products, please contact us, the hotline: 0371-6371, 6261