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第 4 頁
摘 要
本課題的研究?jī)?nèi)容是給煤機(jī)的總體設(shè)計(jì)。
本論文論述的給煤機(jī)是礦山機(jī)械的一個(gè)部分。給煤機(jī)工作的好壞，取決于給煤機(jī)的型號(hào)，結(jié)構(gòu)和相關(guān)參數(shù)。首先，通過計(jì)算機(jī)軟件Visual Basic來進(jìn)行模擬曲柄滑塊機(jī)構(gòu)的運(yùn)動(dòng)設(shè)計(jì)編程來確定的給煤最大速度和加速度；其次，以力學(xué)模型為依據(jù)，分析了減速器的軸、齒輪,托輥上載荷的作用機(jī)理，得到了較為合理的給煤機(jī)載荷的計(jì)算公式；再次，結(jié)合本次設(shè)計(jì)的給煤機(jī)，從平面和空間兩方面對(duì)減速器的軸、齒輪；托輥等主要結(jié)構(gòu)件進(jìn)行受力分析；最后對(duì)減速器的軸、齒輪；托輥等主要結(jié)構(gòu)件進(jìn)行強(qiáng)度效核，并畫出它們的機(jī)械工程圖，
在完成本設(shè)計(jì)的過程中，利用理論分析的同時(shí)，也采用了許多實(shí)際經(jīng)驗(yàn)，做到理論與實(shí)踐相結(jié)合。
關(guān)鍵詞：給料機(jī)；減速器；曲柄滑塊機(jī)構(gòu)；力學(xué)特征；強(qiáng)度
ABSTRACT
The paper mainly foused on the problem which is design out a type of solution.
The solution described is a part of the mining industry equipment in the mine, used for solution of working environment in the locale. It works well or bad at work basing on its solution mode, frame and some parameters. In the first step, the most pace value and acceleration value of some parameters of the Slider-crank Mechanism are determined by using Visual Basic; Secondly, Then on the base of d model of work-surrounding, the load in is decided. The clear in reason expressions of account of solution loading; The next work, with the condition of the design, it is analyzed and calculated by plane and spatial model to the main mechanics of the shaft and gear of the reducer, idler and so on. Finally, it is analyzed by calculation to the main mechanics of the shaft and gear of the reducer, idler and so on. And draw out all the process drawings.
During the course of doing the paper, author not only analyses something theoretical, but also adopted a lot of actual experiences. Combining theory and practice. Therefore, the paper possesses theory and practical value, so it measures up the requiring of the nation to the undergraduate.
Key words: solution; reducer; Slider-crank Mechanism; mechanics characteristics; strength
目 錄
摘 要 1
ABSTRACT 2
1、往復(fù)式給料機(jī)的概述 4
1.1 K型往復(fù)式給煤機(jī)的用途 5
1.2 K型往復(fù)式給煤機(jī)的組成 5
1.3 K-4型往復(fù)式給煤機(jī)的技術(shù)參數(shù) 5
2、往復(fù)式給料機(jī)的結(jié)構(gòu)設(shè)計(jì) 8
2.1給煤機(jī)的大小 8
2.2能量耗損的分析 10
３、減速器的設(shè)計(jì) 13
3.1電動(dòng)機(jī)的選型 13
3.2傳動(dòng)比的分配 15
3.3計(jì)算傳動(dòng)裝置的運(yùn)動(dòng)和動(dòng)力參數(shù) 15
3.4齒輪的設(shè)計(jì) 16
3.5傳動(dòng)軸的設(shè)計(jì) 29
3.5.4鍵的強(qiáng)度校核 45
3.5.5 軸承的校核 46
3.6減速器箱體的結(jié)構(gòu)設(shè)計(jì) 50
3.7軸承蓋選用螺釘聯(lián)接式軸承蓋 52
3.9封油墊材料 57
4、給煤機(jī)的零件設(shè)計(jì) 58
4.1滾輪軸的設(shè)計(jì) 58
4.2曲柄的設(shè)計(jì) 61
4.3連桿的設(shè)計(jì) 61
4.4給煤槽的設(shè)計(jì) 62
4.5閘門的設(shè)計(jì) 63
5、主要零件的加工工藝 64
5.1齒輪的加工工藝 64
5.2軸的加工工藝 68
6往復(fù)式給煤機(jī)的使用、安裝、維護(hù)、發(fā)展趨勢(shì) 72
6.1往復(fù)式給煤機(jī)使用中存在的問題 72
6.2往復(fù)式給煤機(jī)的改進(jìn) 72
6.3往復(fù)式給煤機(jī)的安裝 73
6.4往復(fù)式給煤機(jī)的維護(hù) 73
6.5往復(fù)式給煤機(jī)的發(fā)展趨勢(shì) 76
結(jié) 論 77
參考文獻(xiàn) 85
[1] 徐顴.機(jī)械設(shè)計(jì)手冊(cè).北京:機(jī)械工業(yè)出版社，2001 85
致 謝 86
1、往復(fù)式給料機(jī)的概述
往復(fù)式給煤機(jī)在我國煤礦、選煤廠及其它行業(yè)應(yīng)用已有幾十年。生產(chǎn)實(shí)踐證明,該設(shè)備對(duì)煤的品種、粒度、外在水份等適應(yīng)能力強(qiáng),與其他給料設(shè)備相比,具有運(yùn)行可靠、性能穩(wěn)定、噪音低、完全可靠、維護(hù)工作量小等
優(yōu)點(diǎn),仍有推廣使用價(jià)值。往復(fù)式給煤機(jī)的主要缺點(diǎn)是能耗較高。