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品牌 | REXROTH/德國力士樂 | 應用領域 | 醫療衛生,食品,化工,農業,石油 |
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REXROTH力士樂液壓泵天添更實惠REXROTH力士樂液壓(ya)泵(beng)(beng)的(de)(de)壓(ya)力油(you)(you)經泵(beng)(beng)體(ti)、泵(beng)(beng)殼變量(liang)殼體(ti)中(zhong)的(de)(de)通(tong)油(you)(you)孔通(tong)過單向(xiang)(xiang)閥(fa)進入變 量(liang)殼體(ti)的(de)(de)下腔,當拉(la)桿(gan)(gan)向(xiang)(xiang)下運(yun)動(dong)(dong)(dong)時,推動(dong)(dong)(dong)伺服活(huo)塞(sai)(sai)向(xiang)(xiang)下移(yi)動(dong)(dong)(dong),伺服閥(fa)的(de)(de)上(shang)(shang)閥(fa)口打開,變量(liang)殼體(ti)下腔的(de)(de)壓(ya)力油(you)(you)經變量(liang)活(huo)塞(sai)(sai)中(zhong)的(de)(de)通(tong)油(you)(you)孔進入變量(liang)殼體(ti)上(shang)(shang)腔,由于(yu)(yu)上(shang)(shang)腔面積 大于(yu)(yu)下腔,液壓(ya)力推動(dong)(dong)(dong)活(huo)塞(sai)(sai)向(xiang)(xiang)下運(yun)動(dong)(dong)(dong),帶動(dong)(dong)(dong)銷(xiao)軸使變量(liang)頭繞(rao)鋼球中(zhong)心旋轉,改變變量(liang)頭的(de)(de)傾(qing)斜(xie)(xie)角(增大),柱塞(sai)(sai)泵(beng)(beng)的(de)(de)流量(liang)隨(sui)(sui)之(zhi)增大。反之(zhi)拉(la)桿(gan)(gan)向(xiang)(xiang)上(shang)(shang)運(yun)動(dong)(dong)(dong),變量(liang)頭的(de)(de)傾(qing) 斜(xie)(xie)角向(xiang)(xiang)相反方(fang)向(xiang)(xiang)變化,泵(beng)(beng)的(de)(de)流量(liang)也隨(sui)(sui)之(zhi)變化。當傾(qing)斜(xie)(xie)角度變至零以后,則(ze)變量(liang)頭向(xiang)(xiang)負偏角方(fang)向(xiang)(xiang)變化,液流產生換(huan)向(xiang)(xiang),泵(beng)(beng)的(de)(de)進出油(you)(you)口變換(huan)。
REXROTH力(li)士樂(le)液壓泵(beng)(beng)是(shi)(shi)一(yi)種能(neng)量(liang)轉(zhuan)換裝置,把電(dian)動機的(de)(de)旋(xuan)轉(zhuan)機械能(neng)轉(zhuan)換為液壓能(neng)輸(shu)出。Rexroth液壓泵(beng)(beng)都是(shi)(shi)依靠密封(feng)容(rong)積變化的(de)(de)原(yuan)(yuan)理來進行(xing)工作的(de)(de),故(gu)一(yi)般稱為容(rong)積式(shi)液壓泵(beng)(beng),液壓泵(beng)(beng)的(de)(de)工作原(yuan)(yuan)理如圖所示(shi),泵(beng)(beng)體3 和柱塞(sai)2 構成一(yi)個(ge)密封(feng)容(rong)積,偏心輪(lun)1 由原(yuan)(yuan)動機帶動旋(xuan)轉(zhuan),當(dang)(dang)偏心輪(lun)由圖示(shi)位置向(xiang)(xiang)下轉(zhuan)半周(zhou)時(shi),柱塞(sai)在(zai)彈簧6 的(de)(de)作用(yong)下向(xiang)(xiang)下移動,密封(feng)容(rong)積逐(zhu)漸(jian)增大,形成局(ju)部真空(kong),油(you)(you)(you)(you)箱內的(de)(de)油(you)(you)(you)(you)液在(zai)大氣壓作用(yong)下,頂開(kai)單向(xiang)(xiang)閥(fa)4 進入密封(feng)腔(qiang)中,實現(xian)吸油(you)(you)(you)(you);當(dang)(dang)偏心輪(lun)繼續再轉(zhuan)半周(zhou)時(shi),它(ta)推(tui)動柱塞(sai)向(xiang)(xiang)上移動,密封(feng)容(rong)積逐(zhu)漸(jian)減小,油(you)(you)(you)(you)液受柱塞(sai)擠(ji)壓而產生(sheng)壓力(li),使單向(xiang)(xiang)閥(fa)4 關閉(bi),油(you)(you)(you)(you)液頂開(kai)單向(xiang)(xiang)閥(fa)5 而輸(shu)入系(xi)統,這就是(shi)(shi)壓油(you)(you)(you)(you),液壓泵(beng)(beng)的(de)(de)供油(you)(you)(you)(you)壓力(li)為p,供油(you)(you)(you)(you)流(liu)量(liang)為q。
REXROTH力士樂(le)液壓泵漏油主要有以(yi)下(xia)原因(yin):
(1)主(zhu)軸油封損(sun)壞或軸有缺(que)陷、劃痕;
(2)內部泄漏(lou)過大,造(zao)成油(you)封處壓力增(zeng)大,而將(jiang)油(you)封損(sun)傷或沖出;(3)泄油(you)管過細(xi)過長,使密封處漏(lou)油(you);
(4)泵的外接(jie)油管松(song)動(dong),管接(jie)頭損傷,密(mi)封墊老(lao)化或產生裂紋;(5)變量調節(jie)機(ji)構螺栓松(song)動(dong),密(mi)封破損;
(6)鑄鐵泵殼有砂(sha)眼或焊接不良。
REXROTH力(li)士樂(le)液(ye)壓(ya)泵型號(hao)如下:
A4VG28DA2D2/32R-NZC10F015S 2036419
A4VG28DGD1/32R-NZC10F005S 2036421
A4VG28DGD1/32R-NZC10F015S 2036423
A4VG28DGD2/32R-NZC10F005S 2018984
A4VG28DGD2/32R-NZC10F015S 2036425
A4VG28EP1D1/32R-NZC10F005S 2034982
A4VG28EP1D1/32R-NZC10F015S 2019696
A4VG28EP1D2/32R-NZC10F005S 2036427
A4VG28EP1D2/32R-NZC10F015S 2036429
A4VG28EP2D1/32R-NZC10F005S 2036431
A4VG28EP2D1/32R-NZC10F015S 2019567
A4VG125DA2D2/32R-NZF02F001S 2024184
A4VG125DA2D2/32R-NZF02F021S 2024170
A4VG125DGD2/32R-NZF02F001S 2037002
A4VG125DGD2/32R-NZF02F021S 2037004
A4VG125EP2D1/32R-NZF02F001S 2023999
A4VG125EP2D1/32R-NZF02F021S 2024241
A4VG125EP2D2/32R-NZF02F001S 2024246
A4VG125EP2D2/32R-NZF02F021S 2024247
A4VG180DA2D2/32R-NZD02F001S 2026204
A4VG180DA2D2/32R-NZD02F021S 2037006
A4VG180DGD1/32R-NZD02F001S 2037008
A4VG180DGD1/32R-NZD02F021S 2037672
REXROTH液壓(ya)泵特點:
1)泵的流(liu)量(liang)正比于泵的轉(zhuan)速和排(pai)量(liang),調(diao)節它的斜盤擺(bai)角可進(jin)行(xing)排(pai)量(liang)的無級調(diao)節2)同軸結構,可形成組合泵
3)位(wei)置約束回(hui)程(cheng)結構
4)球(qiu)面配流,柱(zhu)塞圍繞主軸傾斜布置(zhi)
5)無級變量
6)優良的吸入能力
7)控制相應時間短
8) 低噪音
9)長壽命
10)優良的功率/重量比(bi)
11)模塊化設計REXROTH力士樂液壓泵天添更實惠圖片如下: