超清无码a片在线观看不卡免费,国产 自拍.无码,欧美Aⅴ性爱视频,欧美乱妇高清无乱码,杉杉来吃txt下载,火影忍者h同人小说,看天下杂志在线阅读

elevator

2020-10-12 966

1. Round trip elevator

It can be divided into light and heavy type; the pallet is used to lift the goods between the upper and lower floors, occupying a small area. Compared with the continuous elevator drum, the process is suitable for users with low speed requirements.

2. Continuous lift

The basic forms include Z-type, C-type, F-type and zcf-type. The utility model has the advantages of simple structure, high conveying rate, strong universality, reliable operation and convenient maintenance. It is a comprehensive conveying device of horizontal conveyor and vertical elevator. It is widely used in factories, warehouses, docks and ports.