FAQ

  • Common Failure Analysis of Wheel and Track of Crane

    The common faults of the wheel and track during the operation of the crane are gnawing of wheels and unequal height and slippery of hoist. Among them, the causes of nibbling are various, and the form of nibbling is also diverse. The gnawing of track can affect the life of the crane, and even cause serious injury and casualty, so the special equipment management personnel should pay attention to t…

    2017-12-21 16:25:57
  • Basic Load Classification and Combination of Hoisting Machinery

    1. The basic load. The basic load is the load that always or often acts on crane structure, including the self-weight load, the lifting load, the inertial horizontal load, and the dynamic load effect that takes into account the dynamic load factor multiplied by the corresponding static load. For some cranes operating with a grab (bin) or an electromagnetic disk, the dynamic load shedding effect …

    2017-12-14 14:16:16
  • How to deal with the rail failure of the bridge crane wheel

    After the failure of the bridge crane, it is necessary to check the condition of the gnawing rail and find out the reason of the gnawing and determine the solution. First, the adjustment of crane cart track should be in strict accordance with the technical requirements of the track. The fastening situation of bolt should be checked semiyearly. The gnawing rail tends to occur on the track of a…

    2017-12-08 11:25:31
  • The problems that the three major components of crane should be pay attention to

    The three components of the crane are the hook, wire rope and brake. When problems occur, these three components can easily cause accidents. The common problem of the hook is that the wire rope is decoupled, which means that when the object is not tied, or the hook is touched in the hanging, the wire rope will be pulled out from the hook when the weight is placed on the bottom. In ad…

    2017-11-16 11:15:27
  • Safety Check of 8 Common Parts of Crane

        1. Hook. Check whether the mark of the hook and the anti-stripping device meet the requirements, whether the hook is cracked or stripping, etc.. Check whether the lifting of the hook section, the increase of the opening degree, the torsional deformation exceed the standard. Check whether there is fatigue deformation, crack and related pin shaft, wear and tear of the neck and surface…

    2017-11-10 17:33:14
  • Introduction and use of electric hoist

    Electric hoist is a small lifting machine driven by electric power.It adds a trolley that can rise and deliver items along a straight line of the beam or a curved track.Therefore, electric calabash is often used as a supporting lifting device for single-beam bridge crane, gantry crane and cantilever crane. There are many kinds of electric calabash, it has the wire rope type electric hoist and…

    2017-09-08 10:09:09
  • Classification of different types of tower cranes

    Tower cranes can be classified into different types according to different standards. The following is its classification. (1) According to the type of structure a. Fixed tower crane. A tower crane which fixes the tower based on the base foundation or structure by connecting parts to carry out lifting operations. b. Mobile tower crane. A tower crane th…

    2017-09-08 10:07:10
  • The use and classification of truck cranes

    A truck crane is a special vehicle equipped with lifting equipment, which is specially used to accomplish lifting tasks. It is a kind of self-propelled hoisting machinery with the advantages of convenient manipulation, flexibility,etc. and widely used in the site or temporary lifting operations that are dispersed goods in narrow hoisting site, not suitable for installati…

    2017-09-08 09:55:23
  • Three elements of crane machine design

    In the design of cranes, there must be three basic elements: First, load capacity. Second, can not tip over. Third, without fracture.  Load capacity is one of the fundamental indicators of crane performance, and the load capacity directly determines the performance level of crane. The load capacity of a crane is determined by the following parts:  Lever. A balanced crane contains…

    2017-09-08 09:53:53
  • Maintenance notes to gantry crane

    Crane is the indispensable large machinery in the handling operation of outdoor freight yard and bulk cargo. And gantry crane is widely used in large freight yard for its characteristics of high utilization rate, wide application, strong universality, large quantity of work, etc. As for such a large mechanical equipment, the maintenance work after using is also very fussy. Nucleon company has…

    2017-09-08 09:38:58