Crane hook part maintenance

 (1)Dismount all the Crane hook part head, shaft, beam, pulley block, bearings, check the condition, clean and lubricate if necessary.

(2)Check the wear condition of the dangerous cross section.

(3)Test the Crane hook part.

(4)Check the condition of Crane hook part plate.

  • Crack is not allowed on the Crane hook part, beam and pulley block. The screw cannot be loosened. The bearing should be in good condition. Rotate the pulley, if find out the cutter mark or crack on the tool escape, please change it.
  • If the wear of the dangerous cross section is more than 10% compare to the original height, please change it.
  • After the repairing, testing and checking is necessary for the Crane hook part. Hanging the 1.25 maltaple weight compare to lifting capacity in 10 minutes, the mouth of Crane hook part should be opened less than 0.25% compare to the original size. After unloading the deformation and crack are not allowed.
  • After riveting for the Crane hook part plate, the gap between the plates should be less than 0.3 mm.

评论

发表评论

此博客中的热门博文

Manual Chain Hoist Structure

图片
  CB type hand chain hoist When Manual chain hoists lifting weights upward, hands and pulled clockwise chains, bracelets wheel rotates counterclockwise when pulling hands to pull the chain down the stopper with separate brakes, ratchet pawl still under the effect of the five tooth long axis lifting sprocket drive runs in the opposite direction, so that the weight steady decline. Chain hoists generally use one-way ratchet friction disc brake, brake in the load on their own, with the ratchet pawl engages under the action of the spring, the brake safety. It is safe, reliable, easy maintenance, high mechanical efficiency, bracelets pull small, light weight and portability, smaller size and beautiful appearance, durable and suitable for factories, mines, construction sites, wharves, docks and warehouses for installation of equipment, lifting goods, especially for open and no power supply, but also shows its superiority. Selection of main parts chain hoists steel materials, the use...
阅读全文

Bridge Crane and Overhead Crane Systems

图片
  Bridge Crane = Overhead Crane = Overhead Bridge Crane This issue may be too elementary for many of you, please kindly note that Bridge Crane, Overhead Crane System and Overhead Bridge Crane are different titles for the exact same thing. This results in the customer meaning one thing while the design engineer is thinking of something entirely different.   The main travelling structure which spans the width of the bay is the Overhead Bridge Crane. The bridge consists of two end trucks and a bridge beam (bridging between the two end trucks).   End carriages/trucks: Located on either end of the bridge beam are the end trucks. They provide a connection point between the bridge beam and the house the wheels on which the entire crane travels. These wheels ride on the runway beam allowing access to the entire length of the building. Bridge Girders/Crane beams: The horizontal beam of the crane bridge supports the hoist. There can be either one or two bridge beams, but we’l...
阅读全文

32 ton electric chain hoist for sale

  32 ton chain hoist for sale. Dongqi customized 32 ton electric chain hoists to meet the special lifting requirements at good hoist price. Check Dongqi custom made 32 ton chain fall hoist now. Custom 32 ton electric chain fall hoist for sale  As a specialized hoists and cranes manufactuer, Dongqi Hoist and Crane is very experienced at offering custom made hoists, including  wire rope hoist , electric chain hoist, low headroom hoist, single speed hoist & double speed hoist, and European standards hoists,etc.  Electric chain fall hoist of Dongqi Hoist and Crane  As for electric chain fall hoist, Dongqi Hoist and Crane's small capacity's electric chain hoists,such as, 1 ton electric chain fall hoist, 2 ton electric chian fall hoist, 3 ton electric chain fall hoist, 5 ton electric chain fall hoist with lifitng height of around 2 meters are the most popular electric hoists for the features of durable quaity and lower hoist price.  And as for the electric ch...
阅读全文