查询词典 gear casing

The functions of casing for in-situ leaching of uranium,effects of casing wall thickness on bearing force,advantages and application of thin wall casing are discussed,and the practical suggestions to thin wall casing test and application to be conducted in China are proposed.

集国内外地浸采铀套管应用的经验，讨论了地浸采铀钻孔套管的作用，套管壁厚对套管受力的影响，薄壁套管的优势及应用，并对我国开展薄壁套管的试验与应用提出具体的看法。

The main body mechanism includes casing, screwed cover plate, upper lifting hook, non-return gear set and chain wheel set inside the casing, and cable clamping board assembly to avoid outer separation of the chain. The ratchet spanner mechanism has ratchet handle assembly fitted to the gear shaft, and the ratchet handle component of the mechanism is patched with gear shaft.

主体机构包括主体外壳和螺接在主体外壳下部的主体盖板，上吊钩配接在主体外壳上部；主体外壳内置防逆转的齿轮传动装置和链轮传动装置，两吊钩的开口部位装有防止链条外脱的卡索板组件；棘轮扳手机构中的棘轮手柄组件配接齿轮轴。

When No. 3 oil is used, put in 3000rpm, 8. 59Nm, the gear surface has an obvious plastic flow, an obvious groove is found on pitch line of the driving gear , an obvious edge is found on pitch line of the driven gear . The operating surfaces of both driving gear and the driven one is high in smooth finish, no pitting. Through the analysis on the gear surface only based on the gear in experiment with No.

实验的结果为：ISOVG68机械油作润滑油时，在输入3000rpm，5.96Nm时，齿面发现沿节线出现大面积的点蚀，且齿面有塑性变形；以3#油为润滑油时，在输入3000rpm，8.59Nm时，齿面发生了明显的齿面塑性流动，主动轮在节线处出现明显的沟槽，从动轮在节线处出现明显的棱脊，大小齿轮工作齿面均十分光洁，未发现点蚀现象发生。

In this dissertation, first, based on theory of cutting tooth about the gleason spiral bevel gear, the equation of meshing in the process of cutting tooth, the surface equation of generating gear as well as the general tooth surface equation of the double circular arc spiral bevel gear, using GB12759-1991 type of double circular arc gear as a basic gear profile, a three-dimension solid model of double circular arc spiral bevel gear which has the good adaptability was carried out by used of Unigraphics software;Second, by researching of the algorithm about contact and collision as well as various contact types based upon Contacting Finite Element Method, a foundation was laid for selecting the contact type in analyzing contact stress of double circular arc spiral bevel gearing;Finally, through the connection port of PARASOLID between UG software and ANSYS/LS-DYNA software, the three-dimension solid model of double circular arc spiral bevel gearing obtained above in UG was imported into ANSYS/LS-DYNA, a finite element analyzing about contact stress of double circular arc spiral bevel gearing was carried out by applying new loading method.

本文首先基于格利森弧齿锥齿轮加工原理及切齿啮合过程中的啮合方程、产形轮齿面方程以及双圆弧弧齿锥齿轮的齿面方程，选用GB12759-1991型双圆弧齿轮基本齿廓为基准齿形，利用Unigraphics软件的建模功能，绘制了有较好适应性的双圆弧弧齿锥齿轮传动三维实体模型。其次，描述了应用有限单元法进行实体接触与碰撞问题算法的公式，研究了有限元分析中的各种接触类型以及双圆弧弧齿锥齿轮接触应力分析中所选择接触类型的依据。最后，通过UG软件和ANSYS/LS-DYNA之间的PARASOLID接口工具包，将UG软件中得到的啮合齿轮模型导入ANSYS/LS-DYNA有限元分析软件，给出一种新的加载方法，进行了双圆弧弧齿锥齿轮传动的接触应力的有限元分析。

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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。

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。

Rudder equipment 3.2.1. Steering Gear 舵机 The steering gear is designed to comply with the requirements of the Rules. Arrangement of steering gear according to G.A. Plan in steering gear compartment. The gear to be an electrohydraulic piston-type steering gear; driven by two (2) sets of hydraulic pump units. The design to comply with the requirements of the flap rudder maker.

JIANGSU EASTERN SHIPYARD 江苏东方造船有限公司 44 1100TEU 集装箱船建造规格书舵机的设计应满足规范要求，并且舵机的布置根据舵机舱总布置图，舵机型号为电动-液压活塞式，由2套液压泵组单元驱动，并且其设计应满足襟翼舵制造商的要求。

The conclusion is that the casing structure should be optimized during gear box casing design to ensure sufficient safety factor at loading area of the casing.

传动箱箱体在设计过程中应优化箱体结构，确保箱体受力部位具有足够大的安全系数。

Derives the formulae for calculating the distortion and stress on the acting surface of flexspline load in the drive process of the harmonic gear drive with three-wave wavegenerator;(2) analyzes and compares the performance of plastic and steel products under light load drive and calculates the probably reached limit of drive ratio for both types of flexsplines under the same load;(3) applies the harmonic gear drive with three-wave wavegenerator to the small-sized multiple-revolution electric device of valves by taking into consideration of the low limit of the drive ratio for the harmonic gear drive with three-wave wavegenerator made of plastics, improves the design on the main drive mechanism of the traditional small-sized multiple-revolution electric device of valves, and validates through examples the feasibility for the harmonic gear drive with three-wave wavegenerator made of plastics to be applied to the small-sized multiple-revolution electric device of valves. Finally the author performs calculations on the two types of the flexsplines of the harmonic gear with three-wave wavegenerator by using the finite element method and analyzes the causes for the errors.

本文根据三波谐波齿轮传动的运动变形特点，采用弹性薄壳的力矩理论，推导了三波谐波齿轮传动柔轮载荷作用面上的变形及应力计算公式；分析比较了轻载传动情况下塑料和钢材的性能，计算了塑料制谐波柔轮和钢制谐波柔轮在相同载荷情况下可能达到的传动比极限；对塑料制及钢制三波谐波齿轮柔轮进行了有限元计算，分析了产生误差的原因；针对三波塑料谐波齿轮传动比极限低的特点，将之运用于小转矩多回转阀门电动装置中，对传统的小型多回转阀门电动装置的主传动机构进行了改良设计，并通过实例验证了三波塑料谐波齿轮传动在小转矩多回转阀门电动装置中应用的可行性。

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！