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A0-液壓支架裝配圖.dwg
A1-底座.dwg
A2-千斤頂裝配圖.dwg
A3-活塞桿.dwg
A3-筒.dwg
A3-缸體.dwg
A3-缸底.dwg
A3-缸筒.dwg
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A4-半環(huán).dwg
A4-卡鍵.dwg
A4-壓盤(pán).dwg
A4-導(dǎo)向套.dwg
A4-擋套.dwg
A4-接頭.dwg
A4-活塞.dwg
中期檢查表.doc
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液壓支架底座及推移千斤頂設(shè)計(jì)
ZFS1600/16/24掩護(hù)式液壓支架底座、推移千斤頂設(shè)計(jì)
摘要
本課題主要論述了液壓支架的主要設(shè)計(jì)過(guò)程。其中包括：液壓支架的選型、總體設(shè)計(jì)、主要零部件的設(shè)計(jì)以及液壓系統(tǒng)設(shè)計(jì)。
支架的形式為掩護(hù)式支架。支架除了要有效的對(duì)頂板進(jìn)行支撐外，還要實(shí)現(xiàn)升、降、推、移幾個(gè)步驟。支架采用四連桿機(jī)構(gòu)，改善支架的受力狀況，縮小支架的升降過(guò)程中頂梁前端前后移動(dòng)的距離。立柱采用單伸縮液壓缸，前端帶有加長(zhǎng)桿，以滿足支架最低及最高位置時(shí)的高度要求。頂梁掩護(hù)梁、底座都做成箱體結(jié)構(gòu)用鋼板焊接而成。
在研制液壓支架時(shí)，需要對(duì)支架進(jìn)行生產(chǎn)試驗(yàn)和分析研究，確定合理的液壓支架受力參數(shù)、運(yùn)動(dòng)參數(shù)和結(jié)構(gòu)參數(shù)，以及選定液壓支架最佳方案等方面綜合性的科學(xué)技術(shù)問(wèn)題。
關(guān)鍵詞：液壓支架；頂梁；底座；立柱；結(jié)構(gòu)設(shè)計(jì)
ABSTRACT
The article mainly elaborate the hydraulic support design for top-caving. including: the selection of hydraulic pressure support form, system design, main spar part design and examination of hydraulic system design.
The support eliminates must realize effectively carries on the strut to the roof, but also must realize ,to fall, to push, move four steps .the support uses four link motion gears, improves the support the stress condition, reduces the support to rise and full the distance which in the process fort end the top-beam around moves. The column uses the list expansion and contraction hydraulic cylinder, front end has legthen the pole, satisfies the support to be lowest and time the highest position high request. The top-beam, shields Liang, the foundation all makes the packed in a box body structure, becomes with the steel plate welding.
At research to presses the support, need to carry on produce to experiment and analyze the research, make sure reasonable of liquid presses the support to be subjected to the dint parameter, the sport parameter and the structure parameters, and make selection the liquid to press the synthetic science technique problem of aspect of etc. of the best project of support.
Keyword: Hydraulic pressure support；Top beam；Cradle；the column-type support；structure design
目錄
摘要 I
ABSTRACT II
目錄 1
1緒 論 1
1.1前言 1
1.2本課題的研究目的和意義 2
2液壓支架基本理論分析 4
2.1 液壓支架的工作原理 4
2.1.1 支架推移 4
2.1.2支架升降 5
2.1.3 支架承載過(guò)程 5
2.2 液壓支架的類型和結(jié)構(gòu) 7
2.2.1 掩護(hù)式支架 7
2.2.2 支撐式支架 8
2.2.3 支撐掩護(hù)式支架 8
2.2.4 特種液壓支架 9
2.3 對(duì)液壓支架的基本要求 9
2.4 支架的選型設(shè)計(jì) 10
2.4.1設(shè)計(jì)的原始條件 10
2.4.2支架的支護(hù)性能與外載荷 10
2.4.3 影響架型選擇的因素 11
2.4.4 支架架型的確定 12
3 液壓支架的整體結(jié)構(gòu)設(shè)計(jì) 14
3.1 支架高度、中心距的確定 14
3.1.1支架高度 14
3.1.2支架伸縮比 14
3.1.3支架間距 14
3.2底座長(zhǎng)度的確定 15
3.2.1底座長(zhǎng)度 15
3.2.2 底座寬度 15
4支架主要部件的設(shè)計(jì) 16
4.1支架主要部件的設(shè)計(jì)要求 16
4.2底座的設(shè)計(jì) 17
4.2.1液壓支架的底座 17
4.2.2 底座接觸比壓 17
4.3千斤頂技術(shù)參數(shù)的確定 18
4.3.1推移千斤頂 18
5 支架受力分析與計(jì)算 20
5.1支架工作狀態(tài) 20
5.1.1 頂板狀態(tài) 20
5.1.2支架工作狀態(tài) 20
5.1.3支架受力 21
5.2受力計(jì)算 21
6 液壓系統(tǒng)設(shè)計(jì) 25
6.1液壓支架的液壓系統(tǒng)特點(diǎn) 25
6.2 液壓系統(tǒng)的設(shè)計(jì)方法 26
6.3 千斤頂系統(tǒng) 26
6.3.1. 推移千斤頂系統(tǒng) 27
6.4乳化液泵站系統(tǒng) 28
6.4.1乳化液泵站 28
6.4.2泵站液壓系統(tǒng) 29
6.4.3乳化液泵站的元部件 32
7技術(shù)經(jīng)濟(jì)分析 35
8結(jié)論 36
致謝 37
參 考 文 獻(xiàn) 38
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