传动

In this subject ,the friction and mechanical drive are organically combined together,the new conceiving , new method , new craft for heavy-load and low-speed gear 's design ,manufacture and use are offered, the key technology problem needed for the productionscene is solved.

通过将错综复杂的机械传动学与摩擦学紧密地、有机地结合起来，为重载低速齿轮的设计、制造和使用，为生产现场解决急需的关键技术问题提供新构思、新方法、新工艺。

This dissertation systematically studies the principle of twist-roller friction drive, and builds an ultraprecision positioning system with long stroke using the twist-roller friction drive.

本学位论文系统地研究了扭轮摩擦传动系统的原理与实现技术，并研制了一台采用气浮导轨的大行程、高精度一维运动平台。

The balls actually serve two purposes: first, they reduce friction and wear in the gear; second, they reduce slop in the gear.

这些钢球实际上有两个目的。其一，可以减少传动时的摩擦和磨损；其二，钢球可以减少转向盘的自由行程。

That the curves of the normal force and friction force between two corresponding gear teeth in a given condition can supervise the design and optimization of gear system.

得到了某一特定传动条件下单对齿轮轮齿法向力及齿间摩擦力的变化规律曲线，从而可以指导齿轮系统的设计和优化。

5First direction with said motor and rotated in a second direction independently of said motor and gear train; anda governor for inhibiting rotation of said spool gear when it is independent of said motor and gear train, said governor including a governor gear mounted on said frame independently of said motor and gear train, said governor gear being meshed with said spool gear to rotate in unison therewith, and said governor gear 6 including means for inhibiting its rate of rotation in the form of a spring for fractionally engaging said governor gear with a friction surface.

第─个方向与电机和说，在独立旳第二个方向旋转说，电动机和齿轮列车；和抑制旋转的齿轮轴省长说，当它说，独立的电机和齿轮火车，省长说，包括一名省长说齿轮安装在框架独立说，电机和齿轮传动，齿轮说，州长说，目前啮合齿轮轴旋转异口同声地订定条文，并表示州长齿轮包括指在一个弹簧的形式抑制它的自转速率为小幅省长说，从事齿轮的摩擦表面。2。

First direction with said motor and rotated in a second direction independently of said motor and gear train; and a governor for inhibiting rotation of said spool gear when it is independent of said motor and gear train, said governor including a governor gear mounted on said frame independently of said motor and gear train, said governor gear being meshed with said spool gear to rotate in unison therewith, and said governor gear 6 including means for inhibiting its rate of rotation in the form of a spring for fractionally engaging said governor gear with a friction surface.

登录后回答可以获得经验值奖励，并可以查看和管理所有的回答。登录|第一个方向与电机和说，在独立的第二个方向旋转说，电动机和齿轮列车；和抑制旋转的齿轮轴省长说，当它说，独立的电机和齿轮火车，省长说，包括一名省长说齿轮安装在框架独立说，电机和齿轮传动，齿轮说，州长说，目前啮合齿轮轴旋转异口同声地订定条文，并表示州长齿轮包括指在一个弹簧的形式抑制它的自转速率为小幅省长说，从事齿轮的摩擦表面。2。

The present paper design content is the expandable belt feeding engine, is transmits the force of traction through between the transmission drum and adhesive tape's friction force, concurrently makes the hauling organization and the load bearing organization one kind by the adhesive tape for the material equipment, expands and contracts the arm rear part establishment to have the expandable hydraulic prop, causes the complete machine length nimble elongation or the reduction, between the supporting roller the included angle increases to causes the belt fastener inclination angle to be possible to amount to 25 degrees, has for estimates in a big way, the transportation is steady, the service is convenient, the area slightly and so on characteristics, brings conveniently to the load, can the widespread application in each kind of bulk collection and distribution center production scene.

本论文设计内容是可伸缩带式给料机，是通过传动滚筒与胶带之间的摩擦力来传递牵引力，以胶带兼作牵引机构和承载机构的一种给料设备，伸缩臂尾部设置有可伸缩的液压支柱，使整机长度灵活的伸长或缩短，托辊之间夹角增大可使皮带机倾角可达到25度，具有给料量大，运输平稳，维修方便，可多点卸料，占地面积小等特点，给装车带来方便，能广泛的应用于各种散料集散地的生产现场。

The present paper design content is the expandable belt feedingengine, is transmits the force of traction through between thetransmission drum and adhesive tape's friction force, concurrentlymakes the hauling organization and the load bearing organizationone kind by the adhesive tape for the material equipment, expandsand contracts the arm rear part establishment to have theexpandable hydraulic prop, causes the complete machine lengthnimble elongation or the reduction, between the supporting rollerthe included angle increases to causes the belt fastenerinclination angle to be possible to amount to 25 degrees, has forestimates in a big way, the transportation is steady, the serviceis convenient, the area slightly and so on characteristics, bringsconveniently to the load, can the widespread application in eachkind of bulk collection and distribution center productionscene.

本论文设计内容是可伸缩带式给料机，是通过传动滚筒与胶带之间的摩擦力来传递牵引力，以胶带兼作牵引机构和承载机构的一种给料设备，伸缩臂尾部设置有可伸缩的液压支柱，使整机长度灵活的伸长或缩短，托辊之间夹角增大可使皮带机倾角可达到25度，具有给料量大，运输平稳，维修方便，可多点卸料，占地面积小等特点，给装车带来方便，能广泛的应用于各种散料集散地的生产现场。

And it is convenient to change gas box.and friction wheel instead of taking apart other fittings. It is easily repaird.

在传动机组上装有防爆电机驱动的空气压缩机，随整个系统的压力高低，使气控系统处于稳定状态。

It will have the load resistance when the friction of the resistance round rubs with the wheel friction.

在摆臂过程中，手臂与臂动同步挡杆、传动杆、摆杆、轮轴和阻力轮进行同步运动。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。