1、英文原文 The Technical Situation and Development Trend of Electrical Haulage Shearers Abstract： In this paper， the technical development history and technical situation of electrical haulage shearersfor thin seam of China are reviewed， and the main technical parameters， general structure， serialization
2、anddevelopment trend of such sheares are introduced Keywords： thin seam； shearer； electrical haulage； multi motor driving； transverse arrangement German Eickhoff company and American JOY company, the mid 70s in 20 centuries develops a direct current to lead to adopt coal machine one after another.He
3、nceforth, each mainly adopted coal machine a research a manufacturing a company to all lead to adopt coal machine to carry on to the electricity in the world a great deal of of study a development.80The age expected to appear alternate current to lead to adopt coal machine behind.90Age, the big powe
4、r electricity which develops to gather electronics, micro-electronics, information management and calculator intelligence technique in the integral whole leads to adopt coal machine, like the LS series of American JOY company, British Long-Airdox the Electra, SL series of the company, the EDW, SL se
5、ries of German Eickhof company, three wells in Japan three pond creation the MCLE-DR of series etc. the electricity lead to adopt coal machine.The electricity leads to adopt coal machine good and dependable sex with its function parameter Gao, automation degree Gao, operation convenience, supervisio
6、n protection and examination the function perfect and economic performance Gao Deng3s advantage be quickly expanded an usage. 1 The foreign electricity leads long to adopt the coal machine development general situation 1.1German Eickhofcompany After 1976 developped successful direct current to lead
7、to adopt coal machine, it was basic to stopped a liquid to press to lead a development research of adopt the coal machine and continuously developped various form electricities to lead to adopt coal machine.90The SL series that the age develop is horizontal to arrange the alternate current lead to a
8、dopt coal machine, cut to mow electrical engineering to arrange in shaking arm.Among them, the S type electricity leads to adopt coal machine to pack machine power to reach to one 580 kWs, biggest lead dint 998 LSOkNs.SL300 type electricity leads to adopt coal machine to always pack machine power on
9、e 018 kWs, the adoption double change once the Pin machine drag along one system, biggest lead speed to reach to 54.5 ms/rai system the system have to hand over with each other a type a person the machine dialogue, equipments healthily forecasts, the on-line control, data deliver etc. function. 1.2
10、:British Long-Airdox company After 1984 developped success the first set cut to mow electrical engineering to arrange at many decorations with horizontal electrical engineerings of shake the arms get Electra550 type direct current led to adopt coal machine, at its foundation top enlargement power, a
11、nd then develop into an Electra1000 type direct current to lead to adopt coal machine.90Age, on the model foundation of the Electra series, enlargement power, the improvement controls system, developped EL series alternate current to lead to adopt coal machine and the main model contains EL600, EL10
12、00, EL1500, EL3000 type.At EL series model up equip of the Impact integrate protection and supervise and control system and have burden to control, machine supervision, adopt coal machine to automatically position, automatically key up, district control, the intelligence turn safe catena and random
13、break down diagnosis, data to deliver etc. function. 1.3American JOY company 2070s in centurys developping successfully a 1 ls many electrical engineerings is successfullyhorizontal to arrange the direct current after lead adopt coal machine continuously developped a 2 IS ISs-7s again etc. type many
14、 electrical engineerings are horizontal to arrange the direct current lead to adopt coal machine.71.55 adopt the coal machine total power one 940 kWs, lead the speed 30 ms/min.Adopt a strong dint sells a track to have no chain to lead system, the enlargement chain track stanza is apart from with wid
15、th, and adopt a forging to sell a row；Equip and 6 LS5 type the in general use JNA machine carry calculator information center and have persons machine communication interface, break down diagnosis sketch to show and store, wireless control from a distance, lead functions such as control and protecti
16、on etc. 1.4 Japan 1987The year continuously develops to succeed various series alternate current of the MCLE-DR which mow electrical engineering to lengthways set outs to lead to adopt coal machine behind and developped to cut many electrical engineering alternate currents of mow the electrical engi
17、neering horizontal decorations to lead to adopt coal machine again for the last few years.Adopt the coal machine has tiny machine work condition a monitor and breaks down diagnosis system, can the numerical manifestation lead speed, roller position, stay a bottom coal thickness, electrical engineeri
18、ng load and everywhere temperature, have wireless remote control, and can add infrared ray shoot the machine manipulate a liquid to press a support. 1.5 Poland the KOMAG mine for minerals a mechanization research center Poland continuously developped KSE in developping successful KSE a 344 thin coal
19、 seam alternate currents with Chinese cooperation to lead foundation of adopt the coal machine a 360, KSE a 700, KSE one 800 RWs/2 BPs, KSE a 535 Ss/2 BPs, KSE1000 type etc. alternate current lead to adopt coal machine.Adopt the coal machine cuts deeply from 630171111 raise 800-1000 mms. 1.6 Russia
20、The former Soviet Union 70s in 20 centuries develops a K128 Is-Is.The direct current after lead adopt coal machine develops to succeed various direct currents to lead to adopt coal machine one after another again.9The age of the o developped K a 8 etc. alternate currents to lead to adopt coal machin
21、e.Every consider, the electricity of Russia leads to adopt coal machine power smaller, the direct current lead and the function parameter is lower. 2 The local electricity leads to adopt the coal machine development general situation In recent years.The our country electricity led to adopt develop o
22、f coal machine to obtain a substantial progress with development, carry on two developments in digesting to absorb abroad to usher in to adopt the coal machine technical foundation and owned many have an independent intelligent property right of change a product, at our country coal mine comprehensi
23、ve the mechanization adopt coal work noodles, coal science studies total Shanghai branch in the hospital and Poland cooperates, after the local initiative develop successful our countrys first adoption exchanges change Pin adjust soon technical thin coal seam to climb scaleboard to adopt coal machin
24、e, branch in Shanghai again successively develop succeed cut to mow the alternate current that the electrical engineering lengthways sets out to lead to adopt coal machine and cut to mow electrical engineering horizontal set out of be applicable to in thick with the alternate current of thinner coal
25、 seam lead to adopt coal machine, and succeed applied at the Jin city, Huai south, Xu2 Zhou, big equal mineral duty bureau. 3 Technique characteristics and develop trend 3.1 pack machine power to enlarge.The function parameter raise (1)The single set piece mows electrical engineering power all in th
26、e 400 kWsabove.The most adopts the coal machine single set piece to mow electrical engineering power to already arrive 6 OO kW, the 7 LS5s adopts the coal machine single set piece to mow electrical engineering power to be up to 750 kWs. (2)Lead power all above in the 80 kWs, biggest already 220 kWs.
27、 (3)Always pack machine power more than one 000 kWs, reach to one 94 OkWs such as the 7 LS5s, the EL3000 always packs machine power as tallest as 2000 kWs. (4)Lead speed and lead dint to significantly raise.Lead the speed l 5-25 ms/min, lead the dint 500 kNsabove.Biggest lead speed 54.5 ms/rain(SL30
28、0), biggest lead dint 998 kNs. (5)Cut to mow power aggrandizement, the support random pays to protect of realization, the enlargement roller cuts deeply.The l is 0 year agos and cut deeply mostly is a 630-700 Inll1s, widespread now adopt 1000-1200 Zis to cut deeply, separately attain 1500 Infnses to
29、 cut deeply. (6)The exaltation adopts the coal machine credibility with can utilization.The abroad adopts coal machine a dollar a parts a design life span:The wheel gear 12500 hs, the bearings is 20000-30000 hses, the electrical engineering insulates the life span 44000 hs, and the roller adopts coa
30、l 640,000 ts.Adopt coal machine to greatly fix a period for 2 years, the coal measure 300-5,000,000 ts.Our country requests that adopting coal machine coal measures a 150-2,000,000 ts but not and greatly fixs, the margin is very big. 3.2 medium high pressure power supplies Along with adopt coal mach
31、ine to pack the machine power significant exaltation, the work noodles continuously lengthens, the whole work noodles capacity works over the 5000 kWs the noodles length attain 300 ms.In order to reduce power line road to exhaust, quality and electrical engineering function of the exaltation power s
32、upply, high pressure power supply in the widespread adoption.The main power supply grade has a 2300, 3300, 4160 and 5000 V etc. 3.3 supervisions protection system intelligence turn The modern electricity leads to adopt the intelligence that the coal machine all has establishment in the microprocesso
33、r foundation to turn supervision, monitor and protection system, can carry out to hand over with each other type person machine dialogue, wireless control from a distance, the work condition monitor and appearance show, the data collect to save and deliver, health(break down) diagnosis and with earl
34、y warning, auto control, automatically key up etc. various functions, adopt the coal machine maintenance quantity least by assurance, the utilization is the tallest, and can carry out to press a support with liquid and work the noodles transport the information of machine to hand over with each othe
35、r with allied move a control etc. function.Such as Anne virtuous Sen company EL series the model up equips Impac:The t integrates protection and supervision system, the Eichhof of the Eichhof company a data gathers together technique system, the JOY company 6 LS type the electricity lead the JNA network information center of adopt the coal machine etc.
