摆泵

A short-amplitude cycloid is used to be the primary gear form for stator and the conjuration gear form using on rotor on the basis of the analysis and compare of all kinds of cycloids.

在对各种摆线分析比较的基础上，提出采用短幅内摆线作为原始齿形曲线用于定子骨线设计，其共轭曲线用于转子的双头单螺杆泵设计。

This paper discusses the formation and properties of the inner cycloid and the principle of the tritubercular cycloidal pump is illustrated.

论述了内摆线的形成和特性及三尖摆线泵的工作原理。

On the basis of introduction of an epicycloid parameter,δ,an equation is derived for cycloid and its screw surface in screw pump.

本文在引入外摆参量δ的基础上建立了螺杆泵摆线和摆线螺面的方程，并通过对δ的研究，提出了螺杆泵的部分设计理论。

According the forming condition of ordinary hypocycloid,when moving circle diameter is 2/3 of steady circle diameter,the 3-sharp cycloid is formed.

普通摆线泵的内转子齿廓是短幅外摆线的等距曲线，与其相啮合的外转子齿廓是圆弧，一般内转子为6个齿，外转子为7个齿。

Hubei Dongfeng special type car, production and sales of Dongfeng dump truck, road Wrecker (Tow Wrecker type of road, flat road of a drag-II Wrecker, multi-function type of road Wrecker), road sweeping truck (dry Type of road sweeping vehicles, multi-functional full-suction road sweeper), tankers, chemical tankers, Sprinkler (spray-type sprinklers, washing-type sprinkler, spraying - flush-type sprinkler), fecal suction sewage suction truck, garbage truck (swing arm type garbage truck, Kakei Self-loading garbage truck, compression type garbage truck, garbage truck compartment removable, sealed dump garbage trucks), vans, refrigerated trucks:, dairy products, vegetables and fruit, vaccines drugs, Truck crane, electric power engineering vehicles, fire engines (pump fire engines, water-tank fire, foam fire engines, high-powered foam of fire engines, fire engines carbon dioxide, dry powder fire engines, foam - dry powder combined with fire engines, airport rescue pilot fire engines, airport rescue fire engines, lifting a high jet of fire engines, hydraulic platform trucks, ladder truck vehicles, communications, command and fire engines , lighting, fire engines, rescue trucks, surveying fire engines, smoke fire engines, water supply, fire engines, for the liquid fire engines, equipment, fire engines, rescue trucks, fire engines promotion, OS system, fire trucks), bulk cement truck , semi-trailer, high-altitude operation vehicle (folding arm aerial vehicles, telescopic boom aerial vehicles, hybrid arm aerial vehicles, self-propelled aerial vehicles) and other special type of hundreds of Dongfeng and Dongfeng series of vehicles and spare parts of cars and special-purpose vehicles chassis.

中国湖北东风专用特种汽车，生产销售东风自卸车、道路清障车(拖吊型道路清障车、平板一拖二型道路清障车、多功能型道路清障车)、道路清扫车（干式道路清扫车、多功能全吸式道路清扫车）、油罐车、化工罐车、洒水车（喷洒式洒水车、冲洗式洒水车、喷洒-冲洗式洒水车）、吸粪吸污车、垃圾车（摆臂式垃圾车、挂桶式自装卸垃圾车、压缩式垃圾车、车厢可卸式垃圾车、密封自卸式垃圾车）、厢式车、冷藏车：（食品冷冻车、奶制品、蔬菜水果、疫苗药品、随车吊、电力工程车、消防车（泵浦消防车、水罐消防车、泡沫消防车、高倍泡沫消防车、二氧化碳消防车、干粉消防车、泡沫－干粉联用消防车、机场救援先导消防车、机场救援消防车、举高喷射消防车、登高平台消防车、云梯消防车车、通讯指挥消防车、照明消防车、抢险救援消防车、勘察消防车、排烟消防车、供水消防车、供液消防车、器材消防车、救护消防车、宣传消防车、OS系统消防车）、散装水泥车、半挂车、高空作业车（折叠臂高空作业车、伸缩臂高空作业车、混合臂高空作业车、自行式高空作业车）等数百种东风专用特种车辆和配件及东风系列整车和专用汽车底盘。

The mathematic model for optimization of the design parameters of cycloidal pump with singularity type of profile was proposed.

提出了异形齿廓摆线泵的优化设计数学模型，以单位体积排量最大为目标函数，以泵的连续传动条件、密封条件、强度条件为约束函数，创成系数和弧径系数为设计变量。

Mathematical model of the cavity of three-tipped cycloidal pump was established, and the structure and characteristics of the novel three-tipped cycloidal pump were analyzed.

论述了三尖摆线的形成及其参数方程，并付其特性进行了研究，建立了三尖摆线泵型腔的数学模型，分析了新型三尖摆线泵的结构和特性。

Based on the tooth profile curve equation of inner rotors in cycloidal pump , the formula for displacement calculation of the pump are derived.

根据摆线泵内转子的齿廓曲线方程，推导出了摆线泵的排量计算公式。

The linetype design of triple helix single screw pump is that a short-amplitude cycloid is used as the primary gear form for stator and the conjuration gear form is used on rotor on the basis of the analysis and comparison of all kinds of cycloids.

在对各种摆线分析比较的基础上，提出了采用短幅内摆线作为原始齿形曲线用于定子，其共轭曲线用于转子的三头单螺杆泵线型设计方法。

In the pump body installed a stator swing span and a swing span rotation shaft, the swing roller bearing on the stator swing span connects with an end of the stator mount, the other end of the stator mount connects with the stator; on the plunger connecting rod sliding boot installed a static pressure balance chamber, the holding rings are arranged on the two sides of the plunger connecting rod sliding boot which has a fit clearance with the holding rings; the rotor rotates the stator simultaneously via the plunger piston; the needle roller bearings are arranged on the two inner circles and fit with the port axle.

在泵体内安置有定子摆架和摆架转轴，位于定子摆架上的摆架滚子轴承与定子托架的一端配合联接，定子托架的另一端与定子相连；柱塞连杆滑靴上设有静压平衡室，柱塞连杆滑靴两侧设有保持环，柱塞连杆滑靴与保持环有一定的配合间隙；转子通过柱塞带动定子同步旋转；在转子内圆两端设有滚针轴承，滚针轴承与配流轴配合。

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％。