Safety Aspects A.  is provided with a safety nut, when the working nut is damaged, another group plays a protective role; B.  with upper and lower limit switch, reach the limit position, automatically stop; C.  Product quality problems shall be borne by PICC property Insurance. Product Advantages Has obtained the national A-level special equipment manufacturing qualification, 9001 quality system certification, EU CE certification; Independent research and development, with a number of national patents; More than 30 years of manufacturing experience, focusing on truck elevator, lifting platform series products; The products sold all over the country, all provinces are used by customers, widely praised

Model	YQJJ20-4A	YQJJ30-4A	Notes
Number of columns	2	2	Each equipment
Individual lifting capacity（Kg）	10000	15000	Each one, Total 2 group
Total lifting capacity of equipment（Kg）	20000	30000	Total
Weight of each device（Kg）	1600	1900	Total weight
Maximum lifting height（mm）	500	500	Does not include the depth of the trench itself, can be customized according to the actual size
Height of each group of devices	1710	1650
Width of each group（mm）	900	900	Only the standard scheme, can be customized according to the actual size
Motor power（Kw）	2.2	3
Supply voltage（V）	380V,3hp，
Lifting speed（mm/s）	4.5	4.5
Lifting time（s）	About 120	About 96
Down Time（s）	About 100	About 96
Driving mode	Mechanically driven/pneumatic		2 driving modes
Site requirement	Trenches should be dug with a surface of 150mm concrete
Select accessories	Configure a bearing support