Rack lifting machine, 10 tons 15 tons 20 tons rack lifting machine 

 Rack and pinion lifting machine Products: 
 Rack Lifting the body to maintain vertically and firmly in place, the staff standing on both sides of the rocker to enhance, slowly press down the strip to the braking position, the drop of the roof to the bottom of the moon-shaped hole, to insert the lever to the bar hole, pull to get up and down so far to the bit away from lifting tonnage (ton) 15 locate the minimum height (mm) 51 rocker center height (mm) 330: 
 Rack and pinion lifting machine. 
 Product Description 
 Rack lifting machine known as a rack and pinion jack is mainly used for rail-laying and maintenance of railway ballast. Widely used to enhance and support a variety of heavy objects and equipment in industrial and mining enterprises as well as construction of bridges and other operations. The working principle of this machine is one of the manual lifting gear types, compact structure, the rational use of the rocker swing tooth claw to move up and down, with fixed gear claw linkage tie to promote the rack upward or downward, lifting objects along with the lift. Jining East Asian products sell well in two decades, quality assurance! 

 Technical parameters 
 Model QD5 QD10 QD15 QD20 
 Maximum amount of top lift 5T 10T 15T 20T 
 Maximum amount of hook lift 2.5T 5T 7.5T 10T 
 Lifting height 160mm 180mm 280mm 350mm 
 Roof height 345mm 410mm 580mm 680mm 
 Foot hook high 43mm 45mm 60mm 75mm 

 Rack lifting machine to use 
 An upgrade: lifting machine should be smooth and place into the rocker hole with a length of 1.5 m steel steel upper and lower flip back and forth to the desired lifting height up. 
 Descent: slow down the control lever pull up to the braking position will be pulled up and down the lever, each reciprocating or drop a tooth. 
 (3) the drop of: out of the lever, lever vertical impact downhill foot tail surface, we can again descend to the starting position 
 Sliding parts to regular lubrication, timely replacement of damaged parts