Rack jacks (also known as road jacks) are also called manual road jacks. It is suitable for auxiliary installation of railway tracks, installation of bridges, and lifting of vehicles, equipment, and heavy objects. It has the advantages of simple structure, easy use, safety and reliability, and can be used with multiple machines. It is a widely used lifting tool. . It is widely used to lift and support the installation of various heavy objects and equipment in industrial and mining enterprises, bridge erection and other operations.
Rack lifter
The rack lifter consists of a base lifting hook, a handle pressure handle, a pawl, a jack, a rack, and a quick-drop wheel. It is characterized by its The lifting hook and the rack form a sliding fit, the handle pressure handle is hinged with the lifting hook, one end of the pawl is fixed on the handle pressure handle, and the other end is engaged with the rack. The jack is fixed on the lifting hook, and the rack is fixedly connected to the base. It overcomes the shortcomings of the original road starting machine such as large size, heavy weight, and overall ultra-high intrusion limit. It consists of a base, a lifting hook, a handle pressure handle, a pawl, a jack, a quick-drop wheel, etc. The handle is pressed in one direction. Compared with the original technology, it has the following advantages: small size, light weight, easy to carry, and the entire operation process is in a state that ensures safe driving.
Instructions for use
1. Lift--the hoisting machine should be placed smoothly, insert a steel rod with a length of 1.5 meters into the rocker hole, and move it up and down to the required position. until the height is raised.
2. Slow lowering - Pull the slow lowering control handle upward to the braking position and move the lever up and down. Each time it reciprocates, it will drop one tooth.
3. Rapid drop - pull out the lever, use the lever to hit the tail surface of the speed drop foot plate vertically, and then you can drop to the starting position in one go
4. The sliding parts should be lubricated frequently, and parts should be found. Replace damaged parts promptly.
Rack guide
I hope it can help you and hope to adopt it