1、<p><b>　　附錄</b></p><p>　　Scraper conveyor</p><p>　　Scraper conveyor is a reprint of fully coal face ancillary equipment in the transport system an important part of the roadway

2、in the face of the accepted face scraper conveyor unloading of coal flow, not halt the transfer to the retractable belt Conveyor boost. Bridge reversed loader with the face-scraper conveyor machine synchronous over his h

3、ead, face Shearer guarantee for coal mining, and fully mechanized coal face of high yield and high efficiency operations.    Scraper conveyor is a reprin</p><p>　　Wheel gears</p><p

4、>　　Wheel gears spreading to move is a the most wide kind of the application spreads to move a form in the modern machine.Its main advantage BE:The </p><p>　?、?spreads to move to settle, work than in a mom

5、ent steady, spread to move accurate credibility, can deliver space arbitrarily sport and the motive of the of two stalks；Power and speed scope </p><p>　?、?applies are wide； </p><p>　?、?spreads t

6、o move an efficiency high, =0.92.0.98；</p><p>　?、?work is dependable, service life long；</p><p>　?、?Outline size outside the is small, structure tightly packed.The wheel gear constituted to；；；fr

7、om 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 soon and deliver a function of turning , the applic

8、ation is extremely extensive in the modern machine. </p><p>　　Planetary gear reducer gear reducer than the normal small size, light weight, high efficiency and transmission power range, etc, widely applied g

9、radually. At the same time its drawbacks are: material quality, complex, high precision manufacturing, more difficult to install, design complex calculations than the average speed reducer. but on the planet as people dr

10、ive technology further in-depth understanding and knowledge as well as the introduction of foreign planetary transmission and absorptio</p><p>　　According to a general load of gear strength, geometric dimens

11、ions of the design calculation, and then to carry out transmission ratio conditions, concentric condition, the assembly conditions, design and calculation of the adjacent conditions, thanks to the number of planetary gea

12、r transmission, also must be contained institutions and the design of floating volume calculation. </p><p>　　Planetary gear drive according to the composition of basic enough pieces can be divided into: 2KH,

13、 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.<

14、;/p><p>　?、?Local deceleration 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 e

15、fficiency lead a low problem.There are also many weaknesses on material quality and craft level moreover, the especially large deceleration machines problem is more outstanding, the service life isnt long.The deceleratio

16、n machine of abroad, with Germany, Denmark and Japan be placed in to lead a posi</p><p>　　The direction which decelerates a machine to is the facing big power and spread to move ratio, small physical volume,

17、 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 vari

18、ous structure forms and various products of power model numbers.Be close to ten several in the last yearses, control a technical development because of the modern </p><p>　　Become a set a machine material in

19、 21 centuries medium, the wheel gear is still a machine to spread a dynamic basic parts.CNC tool machine and the craft technical development, pushed a machine to spread to move structure to fly to develop soon.Be spreadi

20、ng 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

21、move a combination of dire</p><p>　　Essential character：Reduction gear、 Bearing 、gear 、mechanical drive</p><p><b>　　刮板輸送機(jī)</b></p><p>　　刮板輸送機(jī)是一種撓性牽引的連續(xù)輸送機(jī)械，是為采煤工作面和采區(qū)巷道運(yùn)煤

22、布置的機(jī)械。它的牽引機(jī)構(gòu)是刮板鏈，承載裝置是中部槽，刮板鏈安裝在中部槽的槽面。中部槽沿運(yùn)輸路線全線鋪設(shè)，刮板鏈繞經(jīng)機(jī)頭、機(jī)尾的鏈輪接成封閉形置于中部槽中，與滾筒采煤機(jī)和輸送機(jī)推移裝置配套，實(shí)現(xiàn)落煤、裝煤、運(yùn)煤及推移輸送機(jī)械化。沿輸送機(jī)全長(zhǎng)都可向溜槽中裝煤，裝入中部槽中的煤被刮板鏈拖拉，在中部槽內(nèi)滑行到卸載端卸下。一般的刮板輸送機(jī)能在25°以下的條件使用。刮板輸送機(jī)在使用中要受拉、壓、彎曲、沖擊摩擦和腐蝕等多種作用，因此，必須

23、有足夠的強(qiáng)度、剛度、耐磨和耐腐蝕性。由于它的運(yùn)輸方式是物料和刮板鏈都在槽內(nèi)滑行，因此運(yùn)行阻力和磨損都很大。但是，在采煤工作面運(yùn)煤，目前還沒有更好的機(jī)械可代替，只能從結(jié)構(gòu)上、強(qiáng)度上和制造工藝上不斷研究，使它更加完善、耐用。刮板輸送機(jī)是與大型綜采工作面設(shè)備配套使用的液壓支架、采煤機(jī)，完成把工作面采煤機(jī)采下的煤輸送、轉(zhuǎn)運(yùn)到后續(xù)運(yùn)輸設(shè)備上的任務(wù)，并提供相應(yīng)的連接手段。設(shè)計(jì)要求與ZY2300轉(zhuǎn)載機(jī)自移機(jī)尾配套，以實(shí)現(xiàn)在2.3米范圍內(nèi)整體移動(dòng)而不

24、必拆移輸送機(jī)。與ZY2300轉(zhuǎn)載機(jī)自移機(jī)尾配合可更方便地調(diào)節(jié)皮</p><p>　　齒輪傳動(dòng)是現(xiàn)代機(jī)械中應(yīng)用最廣的一種傳動(dòng)形式.它的主要優(yōu)點(diǎn)是：</p><p>　　① 瞬時(shí)傳動(dòng)比恒定、工作平穩(wěn)、傳動(dòng)準(zhǔn)確可靠，可傳遞空間任意兩軸之間的運(yùn)動(dòng)和動(dòng)力；</p><p>　?、?適用的功率和速度范圍廣；</p><p>　?、?傳動(dòng)效率高，=0.92

25、.0.98；</p><p>　?、?工作可靠、使用壽命長(zhǎng)；</p><p>　?、?外輪廓尺寸小、結(jié)構(gòu)緊湊.由齒輪、軸、軸承及箱體組成的齒輪減速器,用于原動(dòng)機(jī)和工作機(jī)或執(zhí)行機(jī)構(gòu)之間,起匹配轉(zhuǎn)速和傳遞轉(zhuǎn)矩的作用,在現(xiàn)代機(jī)械中應(yīng)用極為廣泛.</p><p>　　行星輪系減速器較普通齒輪減速器具有體積小、重量輕、效率高及傳遞功率范圍大等優(yōu)點(diǎn)，逐漸獲得廣泛應(yīng)用.同時(shí)它的缺

26、點(diǎn)是：材料優(yōu)質(zhì)、結(jié)構(gòu)復(fù)雜、制造精度要求較高、安裝較困難些、設(shè)計(jì)計(jì)算也較一般減速器復(fù)雜.但隨著人們對(duì)行星傳動(dòng)技術(shù)進(jìn)一步的深入地了解和掌握以及對(duì)國(guó)外行星傳動(dòng)技術(shù)的引進(jìn)和消化吸收，從而使其傳動(dòng)結(jié)構(gòu)和均載方式都不斷完善，同時(shí)生產(chǎn)工藝水平也不斷提高，完全可以制造出較好的行星齒輪傳動(dòng)減速器.</p><p>　　根據(jù)負(fù)載情況進(jìn)行一般的齒輪強(qiáng)度、幾何尺寸的設(shè)計(jì)計(jì)算，然后要進(jìn)行傳動(dòng)比條件、同心條件、裝配條件、相鄰條件的設(shè)計(jì)計(jì)算，

27、由于采用的是多個(gè)行星輪傳動(dòng)，還必須進(jìn)行均載機(jī)構(gòu)及浮動(dòng)量的設(shè)計(jì)計(jì)算.</p><p>　　行星齒輪傳動(dòng)根據(jù)基本夠件的組成情況可分為：2KH、3K、及KHV三種.若按各對(duì)齒輪的嚙合方式，又可分為：NGW型、NN型、WW型、WGW型、NGWN型和N型等.</p><p>　　國(guó)內(nèi)的減速器多以齒輪傳動(dòng)、蝸桿傳動(dòng)為主，但普遍存在著功率與重量比小，或者傳動(dòng)比大而機(jī)械效率過(guò)低的問(wèn)題.另外，材料品質(zhì)和工藝

28、水平上還有許多弱點(diǎn)，特別是大型的減速器問(wèn)題更突出，使用壽命不長(zhǎng).國(guó)外的減速器，以德國(guó)、丹麥和日本處于領(lǐng)先地位，特別在材料和制造工藝方面占據(jù)優(yōu)勢(shì)，減速器工作可靠性好，使用壽命長(zhǎng).但其傳動(dòng)形式仍以定軸齒輪傳動(dòng)為主，體積和重量問(wèn)題，也未解決好.</p><p>　　當(dāng)今的減速器是向著大功率、大傳動(dòng)比、小體積、高機(jī)械效率以及使用壽命長(zhǎng)的方向發(fā)展.減速器與電動(dòng)機(jī)的連體結(jié)構(gòu)，也是大力開拓的形式，并已生產(chǎn)多種結(jié)構(gòu)形式和多種功率

29、型號(hào)的產(chǎn)品.近十幾年來(lái),由于近代計(jì)算機(jī)技術(shù)與數(shù)控技術(shù)的發(fā)展，使得機(jī)械加工精度，加工效率大大提高，從而推動(dòng)了機(jī)械傳動(dòng)產(chǎn)品的多樣化，整機(jī)配套的模塊化，標(biāo)準(zhǔn)化，以及造型設(shè)計(jì)藝術(shù)化，使產(chǎn)品更加精致，美觀化.</p><p>　　在21世紀(jì)成套機(jī)械裝備中,齒輪仍然是機(jī)械傳動(dòng)的基本部件.CNC機(jī)床和工藝技術(shù)的發(fā)展,推動(dòng)了機(jī)械傳動(dòng)結(jié)構(gòu)的飛速發(fā)展.在傳動(dòng)系統(tǒng)設(shè)計(jì)中的電子控制、液壓傳動(dòng)、齒輪、帶鏈的混合傳動(dòng),將成為變速箱設(shè)計(jì)中優(yōu)化