螺旋传动

The formation of tooth face is analyzed based on the theory of original curve and area as well as the logarithmic spiral polar coordinates equation.

提出了一种新型锥齿轮-对数螺旋线齿锥齿轮传动形式，并以基曲线和基曲面滚动原理为基础，结合对数螺旋线极坐标方程，分析了对数螺旋线以及对数螺旋线齿锥齿轮齿面的形成过程，建立其了齿面方程。

Loxodrome normal circular-arc spiral bevel gear transmission is a typical engineering application based on the principle of Betrand conjugate surface. It is likely to be the hi-tech prototype for the middle or large spiral bevel gear.

斜航式法向圆弧螺旋锥齿轮传动是贝特朗曲面原理指导下的一类典型工程实现，可望为中大型锥齿轮传动提供一种新技术原型。

As a result,the tooth profile equations, helix angle equations,limit curve equations and induced normal curvature equations for worm and internal gear are obtained.

介绍了一种新型的传动机构超环面行星蜗杆传动，运用啮合理论的包络法建立了这种传动中行星轮与蜗杆、行星轮与内齿轮啮合的基本方程，进而得到了蜗杆和内齿轮的齿面方程、螺旋升角方程、界限曲线方程及诱导法曲率方程等。

This machine has used the belt Spiral Plate and the hair brush clear scrubbing roller, the transmission uses the worm gear - worm drive form, after utilizes the material to turn fights cleans the fruit sends out the organism, has the start steadily, the work is reliable, the efficiency higher characteristic, suits fruit's the and so on apple、peach、 red jujube clean processing.

该机采用了带螺旋板和毛刷的清洗刷辊，传动采用蜗轮—蜗杆传动形式，运用出料翻斗将水果清洗完后送出机体，具有启动平稳、工作可靠、效率高等特点，适合苹果、桃、红枣等水果的清洗加工。

Mechanical Jacks System: High strength and ultra-thick gears reduction device, alloy steel augers etc.

机械传动部：高强厚齿变速传动装置、合金铸钢螺旋绞刀等。

On the basis of these induced equations, the munerical computation and analyzing are completed, especially for the analyzing and computing the character of helix angle and tooth profile in different section for worm and stator which determines manufacturing for the parts of this kind of drive.

在啮合公式推导的基础上，对超环面行星蜗杆传动的啮合特性进行了数值计算和分析，特别是对与加工、制造这种传动蜗杆和定子紧密相关的蜗杆与定子的螺旋升角及其各个截面的齿形进行了深入的分析与计算。

Changsha, Hunan Tianming Machinery Industrial Co., Ltd. is a transmission gear, rack, chain wheel, crane slewing reducer, coupling, machine tool accessories, dual-metal bushing, pulley, bevel gear, helical gear, charcoal machine, worm gear, non - Standard design and processing, construction of the lift gear, manual steam valve, screw and nut, machine, ring gear, spline shaft and other products Co., Ltd. specializes in processing, the company is headquartered in Changsha, Hunan, Changsha, Hunan Tianming transmission machinery Industrial Co., Ltd. has a complete and scientific quality management system.

湖南长沙天明传动机械实业有限公司是齿轮、齿条、链轮、塔吊回转减速机、联轴器、机床配件、双金属衬套、皮带轮、锥齿轮、螺旋齿轮、木碳机、蜗轮蜗杆、非标设计及加工、施工电梯齿轮、手动汽阀、丝杆及螺母、分切机、内齿轮齿圈、花键传动轴等产品专业生产加工的股份有限公司，公司总部设在湖南长沙，湖南长沙天明传动机械实业有限公司拥有完整、科学的质量管理体系。

With the development of computer technology, the Finite Element Method is used widely in the analysis of gear transmission intensity.

为了提高螺旋锥齿轮的传动可靠性和传动质量，对其进行轮齿接触分析和研究是非常有必要的。

There are two worn gear drive device of open-close and turn over on the worm gear blind cut-off valve gate. The gear rim, gear wheel and screw pole screw pairs of open-close worm gear box drive the right and left valve body to clamp and release. The turn-over worm gear box drives the valve disc to open. There is limit block on the valve disc to ensure the open-close position of the valve disc.

蜗轮传动盲板切断阀，阀门中设有启闭和翻转两个蜗轮传动装置，启闭蜗轮箱通过齿圈、齿轮和丝杆螺旋副驱动左、右阀体完成松开、夹紧动作，翻转蜗轮箱驱动阀板完成开启动作，阀板上设有限位挡块以保证阀板的启闭位置。

In recent years, as numerical control technique has been applied, the newly electrical screw press with numerical control has emerged.

其中电动螺旋压力机采用电动机直接驱动的传动方式，代替以往广泛采用的液压伺服和机械传动方式，具有传动链短、易于维护等优点。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。