液压传动

Realizesthe robot rotary motion using Step Motor machine actuation and theovertone gear drive, uses another tablecloth Step Motor actuationball bearing guide screw to revolve, thus causes with the ballbearing guide screw nut vice- solid company at the together armrealization the vertical motion, his/her the arm expansion andcontraction movement actuates by the hydraulic cylinder, the entiremanipulator through two straight lines directions and a hand ofrotation, the realization work piece transporting work, thisarticle has carried on the detailed design to manipulator'smechanism.

利用步进电机驱动和谐波齿轮传动来实现机器人的旋转运动，利用另一台步进电机驱动滚珠丝杠旋转，从而使与滚珠丝杠螺母副固连在一起的手臂实现上下运动，其手臂的伸缩运动由液压缸驱动，整个机械手通过两个直线方向和一个旋转方向，实现工件的搬运工作，本文对机械手的机械结构进行了详细的设计。

Corporation manages the oil quality type to include: The hydraulic fluid vehicles gear oil industry gear oil transformer oil/electric insulation oil motor oil refrigerator oil spindle oil circulation machine oil spark machine oil quenching oil engine bed guide rail oil heat conduction oil/heat transfer oil technical grade white oil put on make-up the level white oil formation processing oil stretch soap carburetion emulsified oil cutting compound/glossy to grease the turbine oil power oil air pressure machine oil cutting oil industrial gasoline to make articles out of plaited bamboo oil, diluent, petroleum and so on.

公司经营油品种类有：液压油车辆齿轮油工业齿轮油变压器油/电绝缘油发动机油冷冻机油锭子油循环机油火花机油淬火油机床导轨油导热油/传热油工业级白油化妆级白油成型加工油拉伸油皂化油乳化油切削液/油润滑脂汽轮机油传动油空压机油切削油工业汽油扎制油、稀释剂、煤油等等。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。