液压传动

By comparison with conventional hydrostatic transmission, its power matches load well because it is adjusted by servo system. By comparison with secondary adjusting system being applied in industry newly, HESTS not only adjusts operation mechanism to match the system output and load well, but also adjusts engine or hydraulic pump, and manipulates the direction of power flow inputing or outputing the Energy Storage Unit actively. Therefore, HESTS can get energy of whole system matched well, increase the efficiency of system and performance of main machine. First, a HESTS applied in vehicle was designed.

由于对执行机构采用自动调节，系统的功率匹配合理，效率有较大提高；同新近发展起来并已被应用的二次调节系统相比，静压储能传动不仅通过调节执行机构来达到系统输出与负载的良好匹配，而且还调节原动机或液压泵，以及主动控制系统中储能元件的能量流动，因此能达到整个系统的能量合理分配，从而提高了系统的效率和整机的性能。

Its products cover: vehicle lubricant (Gasoline Engine Oil, Diesel Engine Oil, General-Purpose Oil for Gasoline and Diesel Engines and Vehicle Gear Oil), auxiliary vehicle product (brake liquid, auto-transmission liquid, lubricating grease, anti-freezing liquid, steering gear oil, shock absorber oil, water tank coolant and glass cleaning liquid), motorcycle lubricant( mobile oils for four-stroke and two-stroke motorcycles, gear oil and disc brake oil), industrial lubricating oil (hydraulic oil series, air compressor oil series, industrial gear oil series, bearing oil scries, textile industrial oil series, heat treatment oil series, metalworking oil and special anti-corrosion oil).

产品系列涵盖：车用润滑油（汽机油、柴机油、汽柴通用机油和车辆齿轮油）；车用辅助产品（刹车液、自动传动液、润滑脂、防冻液、方向机油、减震器油、水箱宝和玻璃清洗液）；摩托车润滑油（四冲程、二冲程摩托车机油、齿轮油和碟刹油）；工业润滑油（液压油系列、压缩机油系列、工业齿轮油系列、轴承油系列、纺织系列用油、热处理用油、金属加工油及特殊防锈油）。

This topic is designed to protect the oil pipe thread spinning apparatus for equipment design, In the design process, the teacher asked us to use the knowledge to complete electro-hydraulic design features include spinning machine tool design、 The top end of the design, spinning mechanical design, hydraulic control system design, the design of the transmission system, electrical system and the PLC design.

本次设计题目是石油管螺纹保护帽旋压专用设备设计，在设计过程中，老师要求我们运用机电液的知识完成，设计的内容主要包括，旋压机床总体设计、尾顶的设计、旋压机构设计、液压控制系统设计、主传动系统的设计、电气系统及PLC的设计。

Hydraulic cutting plate machine after the expected use of block-drive turbine vortex, in the industry leading level.

我们的液压剪板机后挡料采用涡轮涡杆传动，在同行业中处于领先水平。

Our hydraulic cutting plate machine after the expected use of the block-drive turbine vortex at the same level of industry leader.

我们的液压剪板机后挡料采用了涡轮涡杆传动，在同行业中处领先水平。

With advanced gear wheels energizing structure, the SL205 mechanical semi-automatic sample presser is free from the drawbacks of the leaking of hydraulic oil frequently occur in the traditional pressers.

主要特点： SL205型机械式半自动压片机采用较先进的齿轮传动增力机构，克服了液压容易漏油的缺陷。

With advanced gear wheels energizing structure, the SL205 mechanical semi-automatic sample presser is free from the drawbacks of the leaking of hydraulic oil frequently occur in the traditional pressers.

SL205型机械式半自动压片机采用较先进的齿轮传动增力机构，克服了液压容易漏油的缺陷。

Auto parts: Fuel injection system valve follower, plunger piston and fuel injection needle, etc.

汽车零部件：燃料喷射系统、柱塞、喷油针等）、动力传动系统、活塞部件、凸轮轴部件（销、衬套、摇臂及部分液压元件等）和其他部件。

The paper is based on rotational parts of a kind of Screen Press machine tool. In order to guarantee the kinematics precision and stability of large rotational part, the technology of dual servo motor synchronous dive is adopted instead of conventional hydraulic servo drive.

文章以一种屏压机的转台及其传动机构为研究对象，为确保该大型回转部件的运动精度和平稳性，采用以双伺服电机同步驱动取代传统的液压伺服驱动的设计方案。

Realizes the robot rotary motion using Step Motor machine actuation and the overtone gear drive, uses another tablecloth Step Motor actuation ball bearing guide screw to revolve, thus causes with the ball bearing guide screw nut vice- solid company at the together arm realization the vertical motion, his/her the arm expansion and contraction movement actuates by the hydraulic cylinder, the entire manipulator through two straight lines directions and a hand of rotation, the realization work piece transporting work, this article has carried on the detailed design to manipulator's mechanism.

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。

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。