MG100采煤機(jī)總成設(shè)計(jì)
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- MG100采煤機(jī)總成設(shè)計(jì)
摘 要
MG100-BW滾筒式采煤機(jī)是采用電機(jī)驅(qū)動(dòng)、橫向布置,用以開(kāi)采較薄煤層的無(wú)鏈液壓牽引采煤機(jī),機(jī)面高度低,裝機(jī)功率較大,具備截割硬煤、夾矸和爬坡的能力和過(guò)斷層的能力。采煤機(jī)的類型很多,但多以雙滾筒采煤機(jī)為主。雙滾筒采煤機(jī)主要由截割部、牽引部、電氣系統(tǒng)和輔助裝置組成。采煤機(jī)各個(gè)部分協(xié)調(diào)工作,實(shí)現(xiàn)采煤機(jī)對(duì)煤礦開(kāi)采的目的。MG100采煤機(jī)的調(diào)高系統(tǒng)運(yùn)動(dòng)模型為曲柄搖塊機(jī)構(gòu)。通過(guò)液壓油缸的推或拉,實(shí)現(xiàn)搖臂成角度擺動(dòng)。
關(guān)鍵詞:采煤機(jī);總成設(shè)計(jì);齒輪
ABSTRACT
MG100-BW shearer drum drive motor is used, horizontal layout for the non-chain thin seam mining hydraulic shearer, machine height is low, a larger installed power, with the cutting of hard coal, and partings climbing ability and the ability to have faults. Many types of coal mining, but more than double drum shearer-based. Mainly by the double-drum shearer cutting unit, traction department, composed of electrical systems and auxiliary devices. Coordination of the various parts of Shearer to achieve the purpose of coal mining on the coal mining. MG100 shearer movement model system for the crank to increase the block body shaking. The hydraulic cylinder to push or pull, to achieve the angle into the swing arm.
Key words:shearer;assembly design;gear
目錄
1 MG100采煤機(jī)主要技術(shù)參數(shù) 1
1.1采煤機(jī)的組成和總體分布 1
1.1.1 采煤機(jī)的組成 1
1.1.2 采煤機(jī)總體布置 2
2 液壓系統(tǒng) 4
2.1主油路系統(tǒng) 4
2.1.1主油路 4
2.1.2補(bǔ)油和熱交換回路 4
2.2保護(hù)系統(tǒng) 5
2.2.1恒壓控制和電動(dòng)機(jī)超載保護(hù) 5
2.2.2高壓保護(hù) 6
2.2.3液壓馬達(dá)制動(dòng) 6
2.3操作系統(tǒng) 6
2.3.1液壓牽引系統(tǒng)開(kāi)啟 6
2.3.2搖臂調(diào)高系統(tǒng)液壓操作和手動(dòng)操作 6
3 采煤機(jī)傳動(dòng)系統(tǒng) 8
3.1牽引部傳動(dòng)系統(tǒng) 8
3.1.1牽引部液壓馬達(dá)選取 8
3.1.2牽引部傳動(dòng)比設(shè)計(jì) 8
4 液壓傳動(dòng)部傳動(dòng)系統(tǒng) 11
4.1 液壓傳動(dòng)部電動(dòng)機(jī)選取 11
4.2 液壓傳動(dòng)部輔助泵選取 11
4.3 液壓傳動(dòng)部主泵選取 11
4.4 液壓傳動(dòng)部傳動(dòng)比 11
4.5 采煤機(jī)總傳動(dòng)簡(jiǎn)圖 12
5 采煤機(jī)傳動(dòng)系統(tǒng)齒輪設(shè)計(jì) 14
5.1液壓傳動(dòng)部齒輪設(shè)計(jì) 14
5.1.1液壓傳動(dòng)部各軸的傳遞功率及扭矩計(jì)算 14
5.1.2按齒根彎曲疲勞強(qiáng)度設(shè)計(jì)液壓傳動(dòng)部齒輪 15
5.1.3按齒面接觸疲勞強(qiáng)度校核液壓傳動(dòng)部齒輪 17
5.1.4校核液壓傳動(dòng)部其他齒輪是否符合設(shè)計(jì)要求 17
5.2牽引部齒輪設(shè)計(jì) 21
5.2.1牽引部各軸的傳遞功率及扭矩計(jì)算 21
5.2.2按齒根彎曲疲勞強(qiáng)度設(shè)計(jì)牽引部齒輪 22
5.2.3按齒面接觸疲勞強(qiáng)度校核牽引部齒輪 25
5.2.4 牽引部行星輪機(jī)構(gòu)設(shè)計(jì) 26
5.2.4.1牽引部行星輪機(jī)構(gòu)傳動(dòng)比及模數(shù)設(shè)計(jì) 26
5.2.4.2按齒根彎曲疲勞強(qiáng)度設(shè)計(jì)行星輪齒輪 28
5.2.4.3按齒面接觸疲勞強(qiáng)度校核行星輪齒輪 29
5.2.4.4按齒面接觸疲勞強(qiáng)度校核行星輪齒輪 30
5.2.5 牽引部行走齒輪設(shè)計(jì) 31
5.2.5.1按齒輪接觸疲勞強(qiáng)度設(shè)計(jì) 31
5.2.5.2按齒根彎曲疲勞強(qiáng)度校核齒輪 32
5.2.5.3大齒輪的強(qiáng)度校核 33
6 采煤機(jī)部分傳動(dòng)軸的設(shè)計(jì)及校核 35
6.1初步設(shè)計(jì)軸的最小直徑 35
6.2按彎扭合成應(yīng)力校核軸的強(qiáng)度 35
7 采煤機(jī)箱體設(shè)計(jì) 42
7.1采煤機(jī)箱體力學(xué)模型 42
7.2采煤機(jī)壁厚計(jì)算 42
8 采煤機(jī)調(diào)高系統(tǒng)設(shè)計(jì) 44
8.1調(diào)高油缸的選擇 44
8.2調(diào)高方案設(shè)計(jì) 44
參考文獻(xiàn) 47
致謝 48
附錄 49
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