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1、河北工程大學(xué)機電學(xué)院畢業(yè)設(shè)計 外文資料翻譯 學(xué)生姓名： 金 雖 龍 專業(yè)班級： 機電一體化 指導(dǎo)教師： 于 淑 政 河北工程大學(xué)機電學(xué)院 年 月 刮板運輸機是一種撓性牽引的連續(xù)輸送機械，是為采煤工作面和采區(qū)巷道運煤布置的機械.。各種類型的刮板運輸機的主要結(jié)構(gòu)和組成的部件基本是相同的，它由機頭、中間部和機尾部等三個部分組成。 　　此外，還有供推移運輸機用的液壓千斤頂裝置和緊鏈時用的緊鏈器等附屬部件。機頭

2、部由機頭架、電動機、液力偶合器、減速器及鏈輪等件組成。中部由過渡槽、中部槽、鏈條和刮板等件組成。機尾部是供刮板鏈返回的裝置。 它的牽引機構(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。中部槽沿運輸路線全線鋪設(shè)，刮板鏈繞經(jīng)機頭、機尾的鏈輪接成封閉形置于中部槽中，與滾筒采煤機和輸送機推移裝置配套，實現(xiàn)落煤、裝煤、運煤及推移輸送機械化。沿輸送機全長都可向溜槽中裝煤，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。 刮板輸送機主要優(yōu)缺點是： 優(yōu)點: 1、結(jié)構(gòu)堅實。能經(jīng)受住煤炭、矸石或其他物料的沖、撞、砸、壓等外力作用。 2、 能適應(yīng)采煤工作面底板不平、彎曲推移的需要

3、，可以承受垂直或水平方向的彎曲。 3、機身矮，便于安裝。 4、能兼作采煤機運行的軌道。 5、可反向運行，便于處理底鏈?zhǔn)鹿省? 6、能作液夜支架前段的支點。 缺點: 　 1、空載功率消耗較大，為總功率的30%左右。 　 2、不宜長距離輸送。 　 3、易發(fā)生掉鏈、跳鏈?zhǔn)鹿省? 　 4、消耗鋼材多。成本大。 刮板輸送機是與大型綜采工作面設(shè)備配套使用的液壓支架、采煤機，完成把工作面采煤機采下的煤輸送、轉(zhuǎn)運到后續(xù)運輸設(shè)備上的任務(wù)，并提供相應(yīng)的連接手段。本刮板輸送機與MG300/700-WD采煤機配套使用，運量可達1000t/h，技術(shù)先進，工作可靠，是大型綜采配套設(shè)備的優(yōu)秀機型.

4、 Scraper conveyor is a kind of flexible traction in the continuous conveying machinery, is the coal face and the coal mining area of roadway layout of machinery. Various types of scraper conveyor of the main structure and composition of the basic components are the same, it is by the hea

5、d, middle and tail of three machine parts. In addition, for over conveyor equipment used hydraulic jacks and tight chain tight when the subsidiary components such as chains. Machine head by the head frame, motor, fluid coupling, reducer, such as pieces of the composition and sprocket. The transi

6、tion from the central trough, the central groove, scraper chain and the composition of such pieces. Rear scraper plane for the return of the device chain. Traction mechanism is a scraper chain, bearing device is the middle trough of scraper chain, mounted in the middle groove groove face. The ce

7、ntral groove along the transport route laying across the board, a scraper chain around the nose, tail sprocket connected into a closed shape in the middle groove, and drum shearer and the conveyor over devices, implementation of falling coal, coal, coal and passage transport mechanization. Conveyor

8、along the full length has to be in coal chute, into the middle groove in coal scraper chain drag, in the central groove sliding to unload unloading terminal. Scraper conveyor What is advantages and disadvantages? Scraper conveyor is the main advantages and disadvantages: advantages: 1. The

9、 structure of a solid can withstand coal, waste or other materials of red, hit, hit, pressure and other external force. 2.It is able to adapt to uneven floor coal face, bending over the need for vertical or horizontal can withstand the bending direction. 3, body short, easy to install. 4, can

10、act as Shearer orbit. 5, can reverse run, easy to deal with the accident at the end of chain. 6, fluid can be the fulcrum of the preceding night stand. Disadvantages: 1, no-load power consumption of a greater power for the total about 30%. 2, not long-distance transmission. 3, prone to s

11、wap chain, jumped the accident chain. 4, consumption of steel and more costs. Scraper conveyer with large fully mechanized face equipment supporting the use of the hydraulic support, shearer, completion of the work face coal mining machine mining under the coal transport, transport to the subsequent transport equipment on the task, and to provide the corresponding connection means. The scraper conveyor and MG300 /700-WD coal mining machine, the volume can reach1000t / h, advanced technology, reliable work, large fully mechanized mining equipment of the best model. 2