?液壓缸結(jié)構(gòu)設(shè)計(jì) 典型結(jié)構(gòu)：缸體組件、活塞組件、密封件、連接件、緩沖裝置、排氣裝置等 設(shè)計(jì)依據(jù)：缸工作壓力、運(yùn)動速度、工作條件、加工工藝及拆裝檢修等 缸體與端蓋的結(jié)構(gòu)設(shè)計(jì) 缸體與端蓋的連接： 法蘭連接 半環(huán)連接 螺紋連接 拉桿連接 焊接連接 缸體與端蓋的連接 ∵工作壓力、缸體材料、工作條件不同 ∴有許多低壓連接形式，鑄鐵缸體，大尺寸 連接形式的缸體和端蓋 法蘭連接：高壓，需焊接法蘭盤，較雜。
半環(huán)連接：內(nèi)半環(huán)—結(jié)構(gòu)簡單、緊湊、裝卸方便（但因缸體上開了環(huán)行槽，強(qiáng)度削弱）；外半環(huán) 螺紋連接：內(nèi)螺紋重量輕，外徑小，但端部復(fù)雜，外螺紋裝卸不便，需專用工具 焊接連接 拉桿連接通用性好，缸體加工方便，裝拆方便，但端蓋體積大，重量也大，拉桿受力后會拉伸變形，影響端部密封效果，只適于低壓. 活塞和活塞桿的連接 ∵工作壓力、安裝方式、工作條件的不同。
∴活塞組件有多種結(jié)構(gòu)形式 整體式：常用于小直徑液壓缸，結(jié)構(gòu)簡單，軸向尺寸緊湊，但損壞后需整體更換 活塞和活塞桿的連接 焊接式：同上 錐銷式：常用于雙桿缸，加工容易，裝配簡單，但承載能力小，且需防止脫落 螺紋式：常用于單桿缸，結(jié)構(gòu)簡單，裝拆方便，但需防止螺母松動。
半環(huán)式：常用于高壓大負(fù)載或振動比較大的場合，強(qiáng)度高，但結(jié)構(gòu)復(fù)雜，裝拆方便 活塞桿頭部結(jié)構(gòu) 活塞桿：是連接活塞和工作部件的傳力零件，必須具有足?夠的強(qiáng)度和剛度，一般用鋼料制成,且需鍍鉻 液壓缸的緩沖裝置 緩沖的必要性 ∵在質(zhì)量較大、速度較高(v>12m/min），由于慣性力較大，活塞運(yùn)動到終端時(shí)會撞擊缸蓋，產(chǎn)生沖擊和噪聲，嚴(yán)重影響加工精度，甚至使液壓缸損壞。
∴常在大型、高速、或高精度液壓缸中設(shè)置緩沖裝置或在系統(tǒng)中設(shè)置緩沖回路 緩沖原理：利用節(jié)流方法在液壓缸的回油腔產(chǎn)生阻力，減小速度，避免撞擊 緩沖裝置類型 (1)圓柱形環(huán)隙緩沖裝置 (2)圓錐形環(huán)隙緩沖裝置 （3）可變節(jié)流槽式緩沖裝置 (4)可調(diào)流孔緩沖裝置 液壓缸的排氣裝置 排氣的必要性 ∵系統(tǒng)在安裝或停止工作后常會滲入空氣 ∴使液壓缸產(chǎn)生爬行、振動和前沖，換向精度降低等。
故?必須設(shè)置排氣裝置 排氣方法 1排氣孔油口設(shè)置在液壓缸最高處 2排氣塞象螺釘（如暖氣包上的放氣閥） 3排氣閥使液壓缸兩腔經(jīng)該閥與油?箱相通啟動時(shí)，擰開排氣閥使液壓缸空載往復(fù)運(yùn)動幾次即可 90-L-075-KN-1-AB-80-R-3-S1-E-03-GBA-29-29-24 90L075KN1AB80R3S1E03GBA292924 90-L-075-KN-1-AB-80-R-4-S1-D-03-GBA-38-38-24 90L075KN1AB80R4S1D03GBA383824 90L075-KN-1-BC-60-R-3-C7-E-03-GBA-32-14-32 90L075KN1BC60R3C7E03GBA321432 90-L-075-KN-1-BC-60-R-3-C7-E-03-GBA-32-14-32 90L075KN1BC60R3C7E03GBA321432 90-L-075-KN-1-BC-60-R-3-S1-D-03-GBA-32-32-24 90L075KN1BC60R3S1D03GBA323224 90-L-075-KN-1-BC-80-D-3-S1-L-00-GBA-26-26-24 90L075KN1BC80D3S1L00GBA262624 90L075-KN-1-BC-80-R-3-S1-D-03-GBA-29-29-24 90L075KN1BC80R3S1D03GBA292924 90-L-075-KN-1-BC-80-R-3-S1-D-03-GBA-29-29-24 90L075KN1BC80R3S1D03GBA292924 90-L-075-KN-1-BC-80-R-3-S1-E-03-GBA-29-29-24 90L075KN1BC80R3S1E03GBA292924 90-L-075-KN-1-BC-80-R-4-S1-D-03-GBA-29-29-24 90L075KN1BC80R4S1D03GBA292924 90-L-075-KN-1-BC-80-R-4-S1-D-03-GBA-38-38-24 90L075KN1BC80R4S1D03GBA383824 90-L-075-KN-1-BC-80-S-4-S1-D-03-GBA-29-29-24 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