畢業(yè)設(shè)計(jì)論文膠帶煤流采樣機(jī)設(shè)計(jì)含全套CAD圖紙

1、畢業(yè)設(shè)計(jì)任務(wù)書學(xué)院 應(yīng)用技術(shù)學(xué)院 專業(yè)年級(jí) 機(jī)自04 學(xué)生姓名 任務(wù)下達(dá)日期：2008年 3月 16日畢業(yè)設(shè)計(jì)日期：2008年3月 25日 至 2008年 6月10日畢業(yè)設(shè)計(jì)題目：膠帶煤流采樣機(jī)設(shè)計(jì)畢業(yè)設(shè)計(jì)專題題目：畢業(yè)設(shè)計(jì)主要內(nèi)容和要求：設(shè)計(jì)一膠帶煤流采樣機(jī),適用于td75型固定式帶式輸送機(jī),帶寬1200mm,能夠采到煤流全斷面的煤樣,能夠調(diào)整采樣時(shí)間間隔,每次采樣滿足商品煤的采樣方法的要求。設(shè)計(jì)任務(wù)要求：整體設(shè)計(jì)，傳動(dòng)系統(tǒng)設(shè)計(jì)，零件圖設(shè)計(jì)，控制系統(tǒng)原理設(shè)計(jì)。院長(zhǎng)簽字： 指導(dǎo)教師簽字：摘 要煤炭質(zhì)量是煤炭交易和加工應(yīng)用的最主要的指標(biāo),獲得可靠的測(cè)試結(jié)果必然依賴于規(guī)范的檢測(cè)過(guò)程,在采、制、化三

2、個(gè)環(huán)節(jié)中,采樣過(guò)程中可能導(dǎo)致的偏差是最嚴(yán)重的,采用機(jī)械化采樣設(shè)備是最有效的手段之一。膠帶煤流采樣機(jī)是以電機(jī)為動(dòng)力,通過(guò)減速器及帶輪傳遞驅(qū)動(dòng)力,利用大帶輪上的擋桿使偏心輪重心上移的傳動(dòng)系統(tǒng)。采樣機(jī)采樣間隔時(shí)間通過(guò)時(shí)間繼電器來(lái)調(diào)節(jié)。采樣機(jī)機(jī)架設(shè)置在帶式輸送機(jī)機(jī)架兩側(cè),整個(gè)傳動(dòng)裝置均設(shè)在采樣機(jī)機(jī)架上。該機(jī)器機(jī)構(gòu)緊湊,制造成本低,采樣準(zhǔn)確可靠,自動(dòng)化程度高,是替代人工采樣的理想工具,具有廣泛的推廣應(yīng)用價(jià)值。關(guān)鍵詞：采樣 ；采樣機(jī) ；輸送機(jī) ；自動(dòng)取樣完整版說(shuō)明書，cad圖紙等，聯(lián)系153893706abstractcoal quality is the most important indicatio

3、n of commercial and processing or application. and obtaining credible testing result should depend on conventional testing processing. among the 3 processing of sampling, making and test, sampling may cause the most serious errors, therefore, using the sampling machine should be one of the most effe

4、ctive means. the machine is the transmission system with motor as power that transmits drive through gear reducer, sprockets, and uses the rod on big sprockets that makes the focus of partial ship moving upwardly. sampling time - interval is adjusted through time relay. install the frame of sampling

5、 machine that coincides with the frame of belt conveyor. entire drive device is set up on frame of sampling machine. this machine, organization is compact, manufacturing costs are low, sampling coal is accurate and reliable, and automation level is high.so it is an ideal tool of replacing artificial

6、 sampling and has extensive popularize application value.key words: sampling; sampling machine; belt conveyor; auto - sampling 目 錄1 緒論11.1煤樣的采取與制備11.1.1概述11.1.2煤的不均勻性11.1.3采樣21.2商品煤樣的采取21.2.1采樣工具21.2.2采樣基本原則31.2.3煤流中采樣41.2.4商品煤樣自動(dòng)采取51.3選煤廠生產(chǎn)檢查煤樣的采取51.3.1生產(chǎn)檢查主要項(xiàng)目和采樣一般原則51.3.2采樣間隔時(shí)間和子樣質(zhì)量61.3.3采樣點(diǎn)及采樣方法

7、61.3.4采樣精密度71.3.5自動(dòng)采樣機(jī)72 樣機(jī)設(shè)計(jì)方案的確定102.1刮臂式(回運(yùn)動(dòng)式)樣機(jī)結(jié)構(gòu)原理102.1.1刮臂式采樣機(jī)結(jié)構(gòu)102.1.2刮臂式采樣機(jī)工作原理112.1.3刮臂式采樣機(jī)方案說(shuō)明112.2采樣機(jī)整機(jī)方案示意圖113采樣機(jī)的初步設(shè)計(jì)計(jì)算123.1鏟斗的設(shè)計(jì)123.2接斗的設(shè)計(jì)124偏心塊的設(shè)計(jì)134.1選擇偏心塊的材料154.2計(jì)算每次采集煤樣重量154.3計(jì)算每次采集所需做的功164.4計(jì)算偏心塊的尺寸164.5驗(yàn)算175減速器的設(shè)計(jì)計(jì)算185.1方案的確定185.2計(jì)算傳動(dòng)裝置的運(yùn)動(dòng)和動(dòng)力參數(shù)195.2.1電動(dòng)機(jī)選型195.2.2動(dòng)力參數(shù)計(jì)算195.2.3高速級(jí)齒

8、輪參數(shù)計(jì)算205.2.4低速級(jí)齒輪參數(shù)計(jì)算295.3軸的設(shè)計(jì)計(jì)算385.3.1高速軸（齒輪軸）385.3.2低速軸425.4滾動(dòng)軸承的選擇計(jì)算435.5鍵聯(lián)接的選擇及校核計(jì)算435.6減速器的潤(rùn)滑和密封形式445.7減速器箱體設(shè)計(jì)456鏈傳動(dòng)設(shè)計(jì)476.1滾子鏈的結(jié)構(gòu)476.2鏈輪材料486.3滾子鏈傳動(dòng)的設(shè)計(jì)計(jì)算486.4滾子鏈鏈輪尺寸計(jì)算506.4.1滾子鏈鏈輪的基本參數(shù)和主要尺寸506.4.2三圓弧一直線槽形狀尺寸計(jì)算526.4.3軸向齒廓尺寸546.4.4整體式鋼制小鏈輪主要結(jié)構(gòu)尺寸546.4.5腹板式、單排鑄造大鏈輪主要結(jié)構(gòu)尺寸546.4.6滾子鏈鏈輪的量柱測(cè)量距mr556.4.7各項(xiàng)公差的確定556.4.8繪制大小鏈輪圖基本數(shù)據(jù)567主軸的設(shè)計(jì)與校核577.1選擇軸的材料577.2初步確定軸最小直徑577.3軸的結(jié)構(gòu)設(shè)計(jì)587.4軸的校核597.4.1鏟煤過(guò)程的校核597.4.2回程過(guò)程的校核617.5軸的細(xì)部設(shè)計(jì)658鏟桿及曲柄的設(shè)計(jì)678.1鏟桿及鏟斗的設(shè)計(jì)678.1.1計(jì)算最大過(guò)煤高度678.1.2計(jì)算鏟桿尺寸688.1.3鏟桿的