外文翻译--刮板输送机

1、.外文原文Scraper conveyor     Scraper conveyor is a reprint of fully coal face ancillary equipment in the transport system an important part of the roadway in the face of the accepted face scraper conveyor unloading of coal flow, not halt the transfer to the retractable belt Conveyor

2、 boost. Bridge reversed loader with the face-scraper conveyor machine synchronous over his head, face Shearer guarantee for coal mining, and fully mechanized coal face of high yield and high efficiency operations.    Scraper conveyor is a reprint of a special structure of the scraper

3、conveyor, powertrain and drive and scraper conveyor similar to a ramp of its fuselage and a section of the arch bridge structure and belt conveyors in the tail Paragraph above lap. In the back-alley in the coal face when the machine goes to reprint its arch bridge and all of the aircraft ended the l

4、ap belt conveyor stack of position limits, a retractable belt conveyor shortened ride Next length of the belt conveyor for the development of the shift to home-unloading nose reproduced below, can be reproduced with the face of the advance goes forward. Reproduced large-scale machine is fully coal f

5、ace with the equipment supporting the use of the Gate transmission, reproduced equipment, to complete the face conveyor sent to the coal transportation, transit facilities to follow up on the conveyor belt of tasks and to provide the appropriate means of connection. ZY2300 belt with the design requi

6、rements for supporting the tail since the shift to achieve in the 2.3 metres of the overall mobile rather than demolished shift belt machine. ZY2300 belt and the tail of the shift can be more easily cope with belt-regulation, enhance the belt-and-reproduced with the coordination. This reprint of MG3

7、00/700-WD and supporting the use of conveyor, capacity up to 1,000 tons / hour, technologically advanced, reliable, large-scale comprehensive mining equipment supporting the excellent models.Wheel gearsWheel gears spreading to move is a the most wide kind of the application spreads to move a form in

8、 the modern machine.Its main advantage BE:The spreads to move to settle, work than in a moment steady, spread to move accurate credibility, can deliver space arbitrarily sport and the motive of the of two stalks；Power and speed scope applies are wide； spreads to move an efficiency high, =8；

9、work is dependable, service life long； Outline size outside the is small, structure tightly packed.The wheel gear constituted to；from wheel gear, stalk, bearings and box body decelerates a machine, useding for prime mover and work machine or performance organization of, have already matched to turn

10、soon and deliver a function of turning , the application is extremely extensive in the modern machine. Planetary gear reducer gear reducer than the normal small size, light weight, high efficiency and transmission power range, etc, widely applied gradually. At the same time its drawbacks are: materi

11、al quality, complex, high precision manufacturing, more difficult to install, design complex calculations than the average speed reducer. but on the planet as people drive technology further in-depth understanding and knowledge as well as the introduction of foreign planetary transmission and absorp

12、tion of technology to drive the structure and contain its way are constantly improving, and continuously improve the level of production technology, can produce a better planetary gear reducer. According to a general load of gear strength, geometric dimensions of the design calculation, and then to

13、carry out transmission ratio conditions, concentric condition, the assembly conditions, design and calculation of the adjacent conditions, thanks to the number of planetary gear transmission, also must be contained institutions and the design of floating volume calculation. Planetary gear drive acco

14、rding to the composition of basic enough pieces can be divided into: 2KH, 3K, and KHV are three. If the meshing of gears by the way, can be divided into: NGW-type, NN-based, WW-type, WGW type, NGWN type and N-type and so on. I designed planetary gear is 2KH NGW planetary transmission type. Local dec

15、eleration machine much with the wheel gear spread to move, the pole spread to move for lord, but widespread exist power and weight ratio small, or spread to move ratio big but the machine efficiency lead a low problem.There are also many weaknesses on material quality and craft level moreover, the e

16、specially large deceleration machines problem is more outstanding, the service life isnt long.The deceleration machine of abroad, with Germany, Denmark and Japan be placed in to lead a position, occupying advantage in the material and the manufacturing craft specially, decelerating the machine work

17、credibility like, service life long.But it spreads to move a form to still take settling stalk wheel gear to spread to move as lord, physical volume and weight problem, dont also resolve likeThe direction which decelerates a machine to is the facing big power and spread to move ratio, small physical

18、 volume, high machine efficiency and service life to grow greatly nowadays develops.Decelerating the connecting of machine and electric motor body structure is also the form which expands strongly, and have already produced various structure forms and various products of power model numbers.Be close

19、 to ten several in the last yearses, control a technical development because of the modern calculator technique and the number, make the machine process accuracy, process an efficiency to raise consumedly, pushed a machine to spread the diversification of movable property article thus, the mold piec

20、e of the whole machine kit turns, standardizing, and shape design the art turn, making product more fine, the beauty turns.Become a set a machine material in 21 centuries medium, the wheel gear is still a machine to spread a dynamic basic parts.CNC tool machine and the craft technical development, p

21、ushed a machine to spread to move structure to fly to develop soon.Be spreading to move the electronics control, liquid in the system design to press to spread to move, wheel gear, take the mixture of chain to spread to move, will become become soon a box to design in excellent turn to spread to mov

22、e a combination of direction.The academics that is in spread move the design crosses, will become new spread a movable property article the important trend of the development.Essential character：Reduction gear、 Bearing 、gear 、mechanical drive中文译文刮板输送机刮板输送机是一种挠性牵引的连续输送机械，是为采煤工作面和采区巷道运煤布置的机械。它的牵引机构是刮板

23、链，承载装置是中部槽，刮板链安装在中部槽的槽面。中部槽沿运输路线全线铺设，刮板链绕经机头、机尾的链轮接成封闭形置于中部槽中，与滚筒采煤机和输送机推移装置配套，实现落煤、装煤、运煤及推移输送机械化。沿输送机全长都可向溜槽中装煤，装入中部槽中的煤被刮板链拖拉，在中部槽内滑行到卸载端卸下。一般的刮板输送机能在25°以下的条件使用。刮板输送机在使用中要受拉、压、弯曲、冲击摩擦和腐蚀等多种作用，因此，必须有足够的强度、刚度、耐磨和耐腐蚀性。由于它的运输方式是物料和刮板链都在槽内滑行，因此运行阻力和磨损都很大。但是，在采煤工作面运煤，目前还没有更好的机械可代替，只能从结构上、强度上和制造工艺上不

24、断研究，使它更加完善、耐用。刮板输送机是与大型综采工作面设备配套使用的液压支架、采煤机，完成把工作面采煤机采下的煤输送、转运到后续运输设备上的任务，并提供相应的连接手段。设计要求与ZY2300转载机自移机尾配套，以实现在2.3米范围内整体移动而不必拆移输送机。与ZY2300转载机自移机尾配合可更方便地调节皮带机，增强了输送机与转载机配合的协调性。本刮板输送机与MG300/700-WD采煤机配套使用，运量可达1000t/h，技术先进，工作可靠，是大型综采配套设备的优秀机型 齿轮传动是现代机械中应用最广的一种传动形式.它的主要优点是： 瞬时传动比恒定、工作平稳、传动准确可靠，可传递空间任意两轴之间的运动和动力； 适用的功率和速度范围广； 传动效率高，=8； 工作可靠、使用寿命长； 外轮廓尺寸小、结构紧凑.由齿轮、轴、轴承及箱体组成的齿轮减速器,用于原动机和工作机或执行机构之间,起匹配转速和传递转矩的作用,在现代机械中应用极为广泛.行星轮系减速器较普通齿轮减速器具有体积小、重量轻、效率高及传递功率范围大等优点