Do you know how to replace the lifting spreader? Take a look

During the use of the hoisting spreader, there may be cracks or breakage, and special personnel is required to replace it. Do you know how to replace the lifting spreader?

1. First, clean the site where the hook group is to be replaced to an open state, park the bridge crane above the site, completely lower the hook group to the ground, and fix the hook group with fallen wood.

2. Use a forklift to transport the new hook group to the replacement location, place it side by side with the old hook group (easy to wear and wind), and then fix it with a fallen wood support pad.

3. Use iron wire to hang hook group steel wire rope to use iron wire to 30X30X500mm wooden square.

4. The gas welder cuts the wire rope on the old hook group from the front wire rope fixed on the wooden square by gas welding, pulls out the cut steel rope head, and wears it according to the direction and position of the pulley piece of the old hook group. To the pulley piece in the same direction and position of the new hook group, and then the gas welder will weld the wire rope head on the new pulley piece that has been wound with the other wire rope head on the wooden side.

5. Cut, wrap and weld the remaining wire ropes according to the method of the previous wire rope, then remove all the wooden squares (the last wire rope is only cut but not welded), and then remove the wooden squares fixed on the wire rope one by one.

6. Use a forklift to transport the standard wire rope used by this hook upside down to the underside of the hoisting pair of the bridge crane.

7. Remove the pressure plate of the wire rope cut off by the upper-end cutting head of the main hoisting drum of the bridge crane, and put the old wire rope on the ground plate. Put a new set of hooks on the wound end of an old wire rope head and weld it with the new wire rope head on the rope coil, and make a mark (to prevent the new wire rope from being rolled too much or less).

8. Use the auxiliary hoisting hook to roll the rope about 50mm off the ground, start the main hoisting device, wind the old wire rope on the drum to drive the new wire rope, and put on the orbiting fixed pulley block.

9. The new wire rope is wound on the drum for 2 turns (about 6 meters) and then stops. Take up the main lift coil, put all the new ropes on the ground, and stop. The gas welder cuts off the old and new rope ends with gas welding, and then pulls the main drum back to its original position so that all the old rope ends are retracted before stopping. Remove the other end of the wire rope pressure plate from the main lifting drum, put the old wire rope completely on the ground and place it neatly, and bind it firmly with 8# iron wire.

10. Prepare and fix the It winch on the steel structure column under the bridge crane, and use 3 guide pulleys (1 on the trolley and 2 on the ground) to fix the winch from the ground pulley frame, and move the winch from the ground pulley. Slide the ground to the ground, and use 3 guide pulleys (1 on the trolley, 2 on the ground) to fix the winch from the ground pulley frame, and hoist the new wire rope to the bridge frame, and hoist the new wire rope and install it on the bridge on the steel structure column below the crane.

11. After hoisting another new wire rope to the trolley platform in turn according to the above steps, fix the new wire rope head on the other end of the drum with a pressure plate.

12. After the hoisting sling and wire rope are replaced, start the main hoisting drum and lift the hook from the ground for debugging. Clean up scrap wire ropes, old hooks and hooks.

Twinlift Cylinder

Shanghai Ying Yu Port Machinery Co., Ltd. was founded in 2011. It is famous China port equipment Twinlift Cylinder suppliers and ODM port equipment Twinlift Cylinder company that produces and sells port machinery equipment spare parts. The factory covers an area of 4000 square meters, of which the workshop covers an area of 2000 square meters. After years of development, the company has many OEM factory customers and port customers, such as ZPMC and Shanghai port. The company also won the China Classification Society GB/T19001-2008/ISO9001-2008 quality management system certification.

The company mainly produces Twistlock pin, RTG wheel rims, sheave and wheel, roller, sprocket and rail clips and so on. The companyTITAN agent in China.

The company has high precision CNC lathe, CNC machining center, grinder, milling machine, lathe and other various types of large-scale processing equipment, 60T tensile testing machine, magnetic powder flaw detector, ultrasonic flaw detector, hardness tester and other testing equipment. The company has more than 30 employees, of whom more than 30% employees with college degree or above, 45% employees are senior technical personnel. The staff has high comprehensive quality and strong technical force. Under the technical guidance and training of senior engineers with many years of experience in manufacturing port machinery fittings, a group of young technicians with excellent skills have been developed.