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    • 當(dāng)前位置:上海韋米機電設(shè)備有限公司 > 產(chǎn)品中心 > 力士樂REXROTH行走機械液壓系統(tǒng) > 力士樂電磁驅(qū)動螺紋插裝閥R930058334OD153118A000000

      力士樂電磁驅(qū)動螺紋插裝閥R930058334OD153118A000000

      產(chǎn)品型號: OD153118A000000
      品  牌: 力士樂
      • 10-49 個
        ¥420.00
      • ≧50 個
        ¥400.00
      所 在 地: 上海浦東新區(qū)
      更新日期: 2026-01-09
      詳細信息
       品牌:力士樂  型號:OD153118A000000  材質(zhì):鑄鐵  
       連接形式:外螺紋  類型:直動式  公稱通徑:6 mm 
       適用介質(zhì):油品  流動方向:單向  零部件及配件:閥體  
       用途:調(diào)壓  標(biāo)準(zhǔn):德標(biāo)  形態(tài):柱塞式  
       壓力環(huán)境:高壓  工作溫度:常溫  形態(tài):柱塞式  
      力士樂電磁驅(qū)動螺紋插裝閥R930058334 OD153118A000000,德國力士樂REXROTH電磁驅(qū)動螺紋插裝閥,購買進口液壓、氣動、自動化控制工業(yè)配件,認準(zhǔn)“上海韋米機電設(shè)備有限公司”,7年老店,產(chǎn)品實拍,保證產(chǎn)品原廠原裝,價格優(yōu)惠,售后無憂,歡迎新老客戶咨詢采購!
       

      電磁閥里有密閉的腔,在不同位置開有通孔,每個孔連接不同的油管,腔中間是活塞,兩面是兩塊電磁鐵,哪面的磁鐵線圈通電閥體就會被吸引到哪邊,通過控制閥體的移動來開啟或關(guān)閉不同的排油孔,而進油孔是常開的,液壓油就會進入不同的排油管,然后通過油的壓力來推動油缸的活塞,活塞又帶動活塞桿,活塞桿帶動機械裝置。這樣通過控制電磁鐵的電流通斷就控制了機械運動。

      裝載機行
      走液壓系統(tǒng)
      1.基本組成
      裝載機行走液壓系統(tǒng)。它由主液壓泵(帶變量油缸)、補油泵、壓力補償閥(DA控制閥) 、高壓切斷閥、前進后退換向電磁閥、微動閥、高壓溢流閥(過載閥) 、低壓溢流閥(補油閥) 、單向閥、液壓馬達 (帶伺服油缸)、前進后退梭形閥、伺服閥、濾清器5和油冷卻器組成。
      2.液壓泵控制
      (1)方向控制
      采用雙向變量柱塞泵,通過電開關(guān)操縱前進后退換向電磁閥,改變液壓泵油流方向,實現(xiàn)行駛方向改變。該閥有三個位置(前進、中位和后退),相應(yīng)前進、停車和后退。
      (2)車速控制
      補油泵排:量隨發(fā)動機轉(zhuǎn)速(油門開度)自動變化。在其出油道上設(shè)節(jié)流孔B。液流經(jīng)過節(jié)流孔B產(chǎn)生的壓差A(yù)p與補油泵的流量有關(guān),而補油泵是定量泵,其
      流量與發(fā)動機轉(zhuǎn)速成正比,將此壓差A(yù)p引入DA控制閥,此DA控制閥在以下三個力作用下取得平衡:壓差A(yù)p,彈簧力和通向液壓泵變量油缸反饋的先導(dǎo)油壓P。液壓泵的變量油缸在彈簧力作用下,處于中位排量零,隨著操縱變量油缸的先導(dǎo)油壓P的增大,液壓泵排量隨著增大。壓差Op確定先導(dǎo)油壓P,發(fā)動機
      轉(zhuǎn)速確定節(jié)流孔前后壓差A(yù)p。因此操縱油門踏板,改變發(fā)動機轉(zhuǎn)速n, Op和液壓泵排量隨之改變。當(dāng)發(fā)動機在怠速狀態(tài)時,液壓泵排量為零。隨著發(fā)動機轉(zhuǎn)速增高,液壓泵排量逐漸增大,實現(xiàn)自動控制。由于變量泵是油門連動控制的,因此只需操縱油門踏板就能控制車速。
      (3)微動控制
      微動閥操縱可以通過連桿和制動踏板連動,微動閥也可以獨立布置。通過制動壓力來操縱微動閥,使控制液壓泵排量的先導(dǎo)油壓降低,減小液壓泵排量,
      能實現(xiàn)與發(fā)動機轉(zhuǎn)速(油門開關(guān))無關(guān),即使發(fā)動機在高轉(zhuǎn)速下,而液壓泵的輸出流量很小,實現(xiàn)機械微動。
      (4)高壓切斷控制
      當(dāng)靜壓驅(qū)動系統(tǒng)油壓達到設(shè)定大值,高壓切斷閥切斷通向換向電磁閥的先導(dǎo)油壓,使液壓泵變量油缸油壓下降,液壓泵變至小流量,減少能量損失。
      3.液壓馬達控制
      液壓系統(tǒng)采用變量馬達,其控制裝置由前進后退梭形閥,伺服閥和變量油缸組成。液壓馬達的排量由伺服油缸活塞桿位置確定,其位置由伺服閥控制。伺服閥閥芯右端受控制液壓泵排量的先導(dǎo)油壓作用,其閥芯左端受靜壓驅(qū)動系統(tǒng)油壓反饋作用和彈簧力作用。伺服閥在液壓泵先導(dǎo)油壓、驅(qū)動系統(tǒng)油壓和彈簧力作用下取得平衡,確定其位置。伺服閥芯位置確定伺服變量油缸活塞桿位置,活塞桿位置確定液壓馬達排量。從力平衡可知:隨著系統(tǒng)油壓增加,液壓馬達排量增大,隨著液壓泵先導(dǎo)控制油壓上升,液壓馬達排量下降。

      HST馬達PQ特性:在某設(shè)定壓力以下時,液壓馬達在小排量下工作。在設(shè)定壓力以上一段壓力范圍。隨著壓力升高,液壓馬達排量逐漸從小至大。到達一定壓力以上時,液壓馬達在大排量下工作。
      液壓馬達排量隨液壓泵先導(dǎo)控制油壓
      (發(fā)動機轉(zhuǎn)速).上升而下降,當(dāng)發(fā)動機在怠速狀態(tài)時,液壓馬達排量處于大位置,隨著發(fā)動機轉(zhuǎn)速上升,液壓馬達排量逐漸減小。
      前進后退梭形閥的作用是前進后退變化時,實現(xiàn)高低壓油路轉(zhuǎn)換。


      振動壓路機采用液壓行走系統(tǒng)
      振動壓路機采用液壓行走系統(tǒng), .可實現(xiàn)驅(qū)動系統(tǒng)的無級變速,同時使換向更加輕便柔和;減輕操作人員的工作強度,司機只需將發(fā)動機油門拉到大位
      置,通過調(diào)節(jié)變量泵的斜盤傾角就可以很容易的設(shè)定行駛速度。
      振動壓路機的液壓行走系統(tǒng)的要求和基本組成
      串聯(lián)式振動壓路機為例,對其行走系統(tǒng)進行分析。
      1.對行走驅(qū)動系統(tǒng)的要求:
      (1)無級調(diào)節(jié)行駛速度; 
      (2)可控制加減速; 
      (3)平穩(wěn)地改變行駛方向;
      2.基本組成
      串聯(lián)式振動壓路機的液壓行走系統(tǒng)和液壓制動系統(tǒng)。
      1.驅(qū)動泵總成;2.換向伺服閥;3.分動箱;4.發(fā)動機;5.輪邊減速器;6.車輪制動器;7.前驅(qū)動馬達總成;8.驅(qū)動壓力測壓接頭;9.沖洗冷卻閥;10. 限樂卸載閥;11. 溢流閥;12. 補油泵;13. 吸油真空表;14. 吸油濾清器具;15.補油壓力閥;16. 油箱;17.補油單向閥;18.后驅(qū)動馬達總成;19. 驅(qū)動系統(tǒng)旁通閥;20.制動閥。
      振動壓路機的行走驅(qū)動系統(tǒng)一般由以下幾部分組成:
      (1)泵——馬達閉式驅(qū)動油路系統(tǒng):采用雙向變量泵1, 定量或有級變量馬達7、18,與輪邊減速器制成一體的車輪馬達,內(nèi)置彈簧制動油壓放松制動器,結(jié)構(gòu)緊湊。閉式回路中的馬達通常并聯(lián),以保證有足夠大的輸出轉(zhuǎn)矩驅(qū)動車輪。
      (2)冷卻補油限壓系統(tǒng):補油泵12、補油壓力閥15、補油單向閥17、沖洗冷卻閥9和限壓卸載閥10等組成。
      (3)操縱控制系統(tǒng):油泵變量操縱機構(gòu)、制動操縱機構(gòu)。
      3.油泵變量操縱機構(gòu)
      (1)人工機械伺服操縱機構(gòu):采用杠桿手操縱或腳踏板操縱。例如凸輪控制,設(shè)計凸輪曲線使得具有良好的加減速成性能和換向性能。
      (2)先導(dǎo)油壓伺服操縱:泵斜盤傾角與控制油壓信號壓力成正比,油泵斜盤傾角變化加減速度即變排量響應(yīng)速率,從零排量至大排量的時間,反之從大排量至零排量時間,都取決于先導(dǎo)控制流通的節(jié)流孔的大小。通常設(shè)計一系列節(jié)流孔以滿足實際使用所需各種斜盤傾角變化響應(yīng)速率。
      (3)電伺服操縱:油泵的斜盤傾角與輸入電信號成正比。人工操縱產(chǎn)生電信號,然后電液壓力控制先導(dǎo)閥將其轉(zhuǎn)變?yōu)橛蛪盒盘枺⑤斎胨欧y。
      力士樂電磁驅(qū)動螺紋插裝閥R930058334 OD153118A000000
      德國力士樂REXROTH電磁驅(qū)動螺紋插裝閥訂貨號和型號:
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      R934000963    OD1506181A0000 VEI8A2A06.18K06.1ANAC218S
      R934000969    OD1506181AS300-VEI8A2A06.18K06.1ANAC218&
      R934000974    OD1506181BS100 VEI8A2A06.18K06.1BNAC218&
      R934000977    OD1506181CS100-VEI8A2A06.18K06.1CNAC218&
      R934000978    OD1506181CS200-VEI8A2A06.18K06.1CNAC218&
      R934000982    OD1531893AS001-VEI8A2T12.V89K31.3ANCC22&
      R934000985    OD15061896OC00-VEI8A2A06.18K06.96NAAX18&
      R934000989    OD1506191AS000 VEI8A2A06.19K06.1ANAC218&
      R934000991    OD1506191CS000-VEI8A2A06.19K06.1CNAC218&
      R934000995    OD1506211A0000 VEI8A2A12.21K06.1ANAC225S
      R934000998    OD1506211BS100-VEI8A2A12.21K06.1BNAC225&
      R934001001    OD150621540000-VEI7A2A14.21K06.54NAL630&
      R934001002    OD15062196OC00-VEI8A2A12.21K06.96NAAX26&
      R934001004    OD1506361A0000 VEI8A2A09.36K06.1ANAC220S
      R934001015    OD150676190100 VEI8A2A09.76K06.19NAC218S
      R934001016    OD1506761AS001-VEI8A2A09.76K06.1ANAC218&
      R934001018    OD1506761CS000-VEI8A2A09.76K06.1CNAC220&
      R934001019    OD1506761CS100-VEI8A2A09.76K06.1CNAC218&
      R934001038    OD1509173AS000-VEI8A2B09.17K09.3ANCC222&
      R934001039    OD1509173DS000-VEI8A2B09.17K09.3DNCC222&
      R934001051    OD1510171AS000-VEI8A2B09.17K10.1ANAC220&
      R934001052    OD1510171CS000-VEI8A2B09.17K10.1CNAC220&
      R934001061    OD1510211BS000-VEI8A2B12.21K10.1BNAC225&
      R934001067    OD1510921CS000-VEI8A2B06.92K10.1CNAC225&
      R934001071    OD151117370000 VEI8A2A09.17K11.37NCC218S
      R934001072    OD1511173AS000-VEI8A2A09.U17K11.3ANCC22&
      R934001073    OD1511173AS001-VEI8A2A09.V17K11.3ANCC22&
      R934001075    OD1511173DS000-VEI8A2A09.U17K11.3DNCC22&
      R934001090    OD1512171AS000-VEI8A2A09.U17K12.1ANAC22&
      R934001100    OD1512211AS000-VEI8A2A12.U21K12.1ANAC22&
      R934001101    OD1512211BS000-VEI8A2A12.U21K12.1BNAC22&
      R934001102    OD1512211CS000-VEI8A2A12.U21K12.1CNAC22&
      R934001113    OD1531173A0000 VEI8A2T09.17K31.3ANCC222S
      R934001115    OD1531173AS001-VEI8A2T09.V17K31.3ANCC22&
      R934001116    OD1531173AS800-VEI8A2T09.M17K31.3ANCC22&
      R934001119    OD1531173BS000 VEI8A2T09.17K31.3BNCC222S
      R934001120    OD1531173DS000-VEI8A2T09.17K31.3DNCC222&
      R934001122    OD15311798OC00-VEI8A2T09.17K31.98NCAX18&
      R934001125    OD1531183A0000-VEI8A2T06.18K31.3ANCC218S
      R934001127    OD1531183AS001-VEI8A2T06.18K31-S8H/12DC
      R934001129    OD1531183AS100-VEI8A2T06.18K31.3ANCC218&
      R934001131    OD1531183BS000 VEI8A2T06.18K31.3BNCC218S
      R934001142    OD15311898OC00-VEI8A2T06.18K31.98NCAX18&
      R934001146    OD1531213A0000 VEI8A2T12.21K31.3ANCC225S
      R934001150    OD1531213BS000 VEI8A2T12.21K31.3BNCC225S
      R934001154    OD153121750000-VEI7A2T14.21K31.75NCL630&
      R934001155    OD153121758000-VEI7A2T14.M21K31.75NCL63&
      R934001156    OD15312198OC00-VEI8A2T12.21K31.98NCAX26&
      R934001158    OD1531363A0000 VEI8A2T09.36K31.3ANCC222S
      R934001168    OD1531753BS000 VEI8A2T12.75K31.3BNCC225S
      R934001184    OD1532171A0000 VEI8A2T09.17K32.1ANAC220S
      R934001186    OD1532171AS001-VEI8A2T09.V17K32.1ANAC22&
      R934001189    OD1532171CS000-VEI8A2T09.17K32.1CNAC220&
      R934001196    OD1532181A0000 VEI8A2T06.18K32.1ANAC218S
      R934001199    OD1532181AS100-VEI8A2T06.18K32.1ANAC220&
      R934001200    OD1532181B0000 VEI8A2T06.18K32.1BNAC218S
      R934001204    OD15321896OC00-VEI8A2T06.18K32.96NAAX18S
      R934001205    OD C VEI7A2A09S17K05.62NCL622&
      R934001206    OD1506171DS2OC-VEI8A2A09.S17K06.1DNAC22&
      R934001208    OD1506211DS2OC-VEI8A2A12.S21K06.1DNAC22&
      R934001212    OD1532211A0000 VEI8A2T12.21K32.1ANAC225S
      R934001219    OD15322196OC00 VEI8A2T12.21K32.96NAAX26S
      R934001224    OD C-VEI7A2A12.M21K05.62NCC63&
      R934001227    OD1506181DS2OC-VEI8A2A06S.18K06.1DNAC21&
      R934001235    OD1532171DS2OC-VEI8A2T09.S17K32.1DNAC22&
      R934003057    OD1502171AS002-VEI8A2A09.17K02.1ANAC220&
      R934003063    OD1503183AS800-VEI8A2B.06M18K03.3ANCC21&
      R934003080    OD1505183AS800 VEI8A2A06.M18K05.3ANCC21&
      R934003082    OD1505183DS800-VEI8A2A06M18K05.3DNCC218&
      R934003105    OD1506761AS000-VEI8A2A09.76K06.1ANAC220&
      R934003110    OD1511193AS800-VEI8A2A06.U19K11.3ANCC21&
      R934003111    OD1531173DS800-VEI8A2T09.M17K31.3DNCC22&
      R934003114    OD1531183DS801-VEI8A2T06.M18K31.3DNCC21&
      R934003122    OD153221540000-VEI7A2T14.21K32.54NAL630&
      R934003423    OD15053698OC00-VEI8A2A09.36K05.98NCAX18&
      R934003424    OD150617180 VEI8A2A09.17K06.18NAC218SEX3
      R934003434    OD150518378000 VEI8A2A06M18K05.37NCC218S
      R934003486    OD1507183MS000 VEI8I2A06.F18K07.3MNCC21&
      R934003758    OD150521760000-VEI7A2A14.21K05.76NCL630&
      R934003884    OD150518310000 VEI8I2A06.18K05.31NCC218&
      R934003885    OD150618200000-VEI8I2A06.18K06.20NAC218&
      R934004160    OD1511213DS000-VEI8A2A12.U21K11.3DNCC22&
      R934004319    OD C-VESP-08A-12A/00-2A05-N7
      R934004320    OD C-VESP-08A-12A/00-2A85-N7-&
      R934004378    OD Z-VESP-08A-12A/00-2A05-N7
      R934004411    OD1531363AS001-VEI8A2T09.V36K31.3ANCC22&
      R934004493    OD1505893AS001-VEI8A2A12.V89K05.3ANCC22&
      R934004542    OD1532181DS2OB-VESP-08A-12A/00-2T32-N7
      R934004627    OD C-VESP-16G-16A/00-2A01-N7
      R934004628    OD C-VESP-16G-16A/00-2A-N7
      R934004630    OD B-VESP-16G-16A/00-2A05-N7
      R934004674    OD C-VESP-12G-16A/00-2A05-N7
      R934004675    OD B-VESP-12G-16A/00-2A05-N7
      R934004749    OD C-VESP-12G-12A/00-2T31-N7
      R934004812    OD C-VESP-08A-12A/00-2A05-N7
      R934004878    OD1503363DS000-VEI8A2B09.36K03.3DNCC222&
      R934004903    OD1532181DS2OC-VESP-08A-12A/00-2T32-N7
      R934005046    OD1531173DS100-VEI8A2T09.17K31.3DNCC222&
      R934005243    OD1506182DS2OC-VEI8A2A06S18K06.1DNAC218&
      R978023991    OD150118320000 VEI8I2A06.18K01.32NCC218S
      R978023992    OD150318370000 SZ8 NC 1-2 BI S8
      R978023994    OD150418170000 SZ8 NO 1-2 BI S8
      R978023996    OD150518310000 SZ8 NC 2-1 BI S8 LF
      R978023997    OD150518320000 VEI8I2A06.18K05.32NCC218S
      R978023999    OD150618180000 SZ8 NO 2-1 BI S8 MO
      R978024000    OD150618200000 SZ8 NO 2-1 BI S8 LF
      R978024003    OD153118250000 SZ8 NC 1+2 BI S8 LF
      R978024004    OD153118470000 SZ8 NC 1+2 BI S8 MO
      R978024007    OD153218190000 SZ8 NO 1+2 BI S8 MO
      R978024011    OD150404170000 VEI8A2B16.04K04.17NAC218S
      R978024012    OD150404180000 VEI-8A-2B-16-NA
      R978024019    OD150521370000 VEI8A2A12.21K05.37NCC226S
      R978024024    OD150621170000 VEI8A2A12.21K06.17NAC226S
      R978034034    OD1531893AS0 VITON VEI-8A-2T
      R987019976    TUBO D15 B. ACUM B.VALV.750KW RE-4-0
      R987067733    OD1502211AS000-VEI8A2A12.21K02.1ANAC225&
      R987125752    VEI-8A-2T-12-NC-S - OD 15-3121-3BS000
      R987172056    VALVE OD1531213700 &
      R987195006    VEI-8A-2T-06-NA-S OD15.32.18-17-00
      R987198232    VALVE OD1532211AS0 &
      R987201460    OD1532171CS0000 VEI-8A-2T-09-NA-S-NSS
      R987231423    OD1531173BS0
      R987231763    OD1531173AS001
      R987233190    OD1505183AS000
      R987256974    OD1503173BSO
      R987269778    VALVE OD1531183AS000 &
      R987280171    VALVE OD1506171AS000 &
      R987321208    OD C
      R987331918    OD15061818/OD02170130AC HMF
      R987349614    VEI-EX OD15313698OC
      R987361622    VALVE OD1506181CS200-S01
      R987362042    SOLENOID-OPERATED OD1531823CS800
      R987363900    SCREW-IN CAR.VALVE OD1506181AS000-S02
      R987365139    SCREW-IN CAR.VALVE OD15061818/12VDC SPOL
      R987365760    VALVE OD1505183AS000-S01 &
      R987365972    SCREW-IN CAR.VALVE OD1505173AS0000
      R987365973    SCREW-IN CAR.VALVE OD1505183780000
      R987365974    SCREW-IN CAR.VALVE OD1505183IS0000
      R987365975    SCREW-IN CAR.VALVE OD150518AS80000
      R987365976    SCREW-IN CAR.VALVE OD150521378000
      R987365977    SCREW-IN CAR.VALVE OD1505363ASO000
      R987365978    SCREW-IN CAR.VALVE OD1506181ASO000
      R987365979    SCREW-IN CAR.VALVE OD1506181IS0000
      R987365980    SCREW-IN CAR.VALVE OD1506361AS0000
      R987365981    SCREW-IN CAR.VALVE OD1506361ASO000
      R987365982    SCREW-IN CAR.VALVE OD153118370000
      R987365983    SCREW-IN CAR.VALVE OD1531183ASO000
      R987365984    SCREW-IN CAR.VALVE OD1531753BS0000
      R987365985    SCREW-IN CAR.VALVE OD1532181AS0000
      R987365986    SCREW-IN CAR.VALVE OD1532181ASO000
      R987365987    SCREW-IN CAR.VALVE OD1532211AS0000
      R987366100    SPECIAL VALVE OD1506181AS0000
      R987369760    VALVE OD1506171AS001-S01
      R987386722    VALVE OD1531183DS801-S01
      R987389264    VEI-8A-2T-10A-NC-S-NSS, N0 OD1531363AS00
      R987391038    VEI8A2A09.17K06.17NAC218SXX3 OD15061717
      R987391040    OD1504891BS0000 VEI-8A-2B-12A-NA-S-NSS,N
      R987391041    OD1503893DS000 VEI-8A-2B-12A-NC-S-NSS, N
      R988002282    OD1505183AS0000 VEI8A2A06.18K05.3AN -
      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-機械插裝閥-螺紋插裝閥
      R901208447    OD21010304-VSTXX09-17X03
      R934001238    OD21010305-VSTXX12-21X03
      R901109830    OD210103360000-VSTXX09-36X03
      R901109366    OD21010356-VSTXX06-18X03
      R988002556    OD21010356000 ST-C-06
      R901109837    OD210103750000-VSTXX12-75X03
      R901109832    OD210103890000-VSTXX12-89X03
      R930072460    OD210103890V00-VSTXX12-89X03-V
      R901088720    OD21010404-VSTXX09-17X04
      R901128469    OD21010405-VSTXX12-21X04
      R901109831    OD210104360000-VSTXX09-36X04
      R901109367    OD21010456-VSTXX06-18X04
      R901109838    OD210104750000-VSTXX12-75X04
      R901109834    OD210104890000-VSTXX12-89X04
      R930056068    OD21010556-VSTXX06CA.18X04
      R934001254    OD210418030000-VSTUX06-18X03
      R934001255    OD210418040000 VSTUX06CA.18X04
      R934001256    OD210518030000-VSTUX03-18X03
      R934001258    OD210618030000-VSTUX04-18X03
      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-電磁插裝閥-電動比例閥-2 通雙重鎖定,常閉
      R930077411    OD95061903AOB0-VEPN-08A-16/00-020-Q06-N&
      R934001162    OD950689720000-VEPN-12A-16/25-070-Q6-N7
      R901113761    OD953118030000-VEP5A2T06.18K31.03NAP910&
      R901126864    OD953118040000-VEP5A2T06.18K31.04NAP910&
      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-機械插裝閥-流量控制-2 通,壓力補償,全部可調(diào)-流量控制閥
      R901106646    040202048520000-VRFB-10A-V-20
      R930055368    04020204852000A-VRFB-10A-V-20
      R901095981    040202048540000-VRFB-10A-V-40
      R930055371    04020204854000A-VRFB-10A-V-40
      R901106643    040202408520000-VRFB-10A-M-20
      R930055372    04020240852000A-VRFB-10A-M-20
      R930055373    04020240854000A-VRFB-10A-M-40
      R930069707    04020240854001A-VRFB-10A-M-40-2BAR
      R934003778    ON -VRFB-10A-C-G12-V-40
      R934000622    ON0502400340S0-VRFB-10A-C-ACC-G12-40
      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-機械插裝閥-流量控制-2 通,壓力補償,全部可調(diào)-流量控制閥
      R930000009    040701035750000-VRFE-12A-50
      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-機械插裝閥-流量控制-3 通,壓力補償,全部可調(diào)-流量控制閥
      R901106674    040402048520000-VRFD-10A-V-20
      R930055365    04040204852000A-VRFD-10A-V-20
      R901106675    040402048540000-VRFD-10A-V-40
      R930055362    04040204854000A-VRFD-10A-V-40
      R901106672    040402408520000-VRFD-10A-M-20
      R930055366    04040240852000A-VRFD-10A-M-20
      R901106673    040402408540000-VRFD-10A-M-40
      R930006092    040404035750000-VRFD-12A-50
      R930006093    040404045750000-VRFD-12A-V-50
      R934003779    ON -VRFD-10A-C-G38-V-20
      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-機械插裝閥-流量控制-分流閥和集流閥-流量控制閥
      R901096072    040501008502000-DRFN-10A-02
      R901096079    040501008504000-DRFN-10A-04
      R930000083    040501008504010-DRFN-10A-04-01
      R901096080    040501008508000-DRFN-10A-08
      R901096083    040501008516000-DRFN-10A-16
      R901096085    040501008525000-DRFN-10A-25
      R901096086    040501008530000-DRFN-10A-30
      R901096087    040501008540000-DRFN-10A-40
      R930000091    040501008550000-DRFN-10A-50
      R901096089    040502002704000-DRFN-16A-04
      R930053926    04050200270400A-DRFN-16A-04
      R901096090    040502002706000-DRFN-16A-06
      R930053927    04050200270600A-DRFN-16A-06
      R901096091    040502002709000-DRFN-16A-09
      R930053928    04050200270900A-DRFN-16A-09
      R901096092    040502002713000-DRFN-16A-13
      R930053929    04050200271300A-DRFN-16A-13
      R901096093    040502002716000-DRFN-16A-16
      R930053931    04050200271600A-DRFN-16A-16
      R930000099     V00-DRFN-16A-16-65/35-V
      R930066027    BP17076_00-DRFN-10A-30
      R930079243    BP20051_00-DRFN-12A
      R930079394    BP20057_00-DRFN-12A-90L
      R930079395    BP20058_00-DRFN-12A-60L
      R934001267    ON0801000204S0-DRFN-10A-C-ACC-G38-04
      R934001273    ON0802000516S0-DRFN-16A-C-ACC-G1-16
      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-機械插裝閥-溢流閥和減壓閥-直動式導(dǎo)向提升閥類型
      R901126917    041149032005000-VSBN-08F-05
      R901113602    041149032010000-VSBN-08F-10
      R930000222    041149032010010-VSBN-08F-10-01
      R901113604    041149032020000-VSBN-08F-20
      R930000224    041149032020010-VSBN-08F-20-01
      R930067598     V80-VSBN-08A-35-88-FKM
      R901113600    041149045635000-VSBN-08A-V-35
      R901113601    041149735635000-VSBN-08A-S-35
      R901191831    041155038505000-VSBN-10A-05
      R901113609    041155038510000-VSBN-10A-10
      R930064943     V00-VSBN-10A-10-VITON
      R901113610    041155038520000-VSBN-10A-20
      R901115702    041155038535000-VSBN-10A-35
      R930000255    041155038535010-VSBN-10A-35-01
      R930058262    041155048535000-VSBN-10A-35-V
      R901113605    041149032035000-VSBN-08F-35
      R901113598    041149035605000-VSBN-08A-05
      R930061036    041149035605010-VSBN-08A-05-35-BAR
      R901113599    041149035610000-VSBN-08A-10
      R901097728    041149035620000-VSBN-08A-20
      R930067594     V10-VSBN-08A-20-170BC-FKM
      R930067595     V20-VSBN-08A-20-150BC-FKM
      R930067599     V80-VSBN-08A-20-88-FKM
      R901091914    041149035635000-VSBN-08A-35
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      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-機械插裝閥-溢流閥和減壓閥-先導(dǎo)驅(qū)動滑閥類型
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      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-機械插裝閥-溢流閥和減壓閥-直動式,閥座設(shè)計,差速器區(qū)
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      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-機械插裝閥-溢流閥和減壓閥-先導(dǎo)式閥芯設(shè)計,外部先導(dǎo)控制
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      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-插裝閥-機械插裝閥-單向閥,止回閥-滑閥類型-VUCN-12A
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      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-油路塊安裝閥-油路塊安裝閥-閥座設(shè)計中的單向閥-流量控制安裝閥
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      力士樂REXROTH行走機械液壓-緊湊型液壓系統(tǒng)-油路塊安裝閥-油路塊安裝閥-閥座設(shè)計中的單向閥-流量控制安裝閥
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      叉車是工業(yè)搬運車輛,是指對成件托盤貨物進行裝卸、堆垛和短距離運輸作業(yè)的各種輪式搬運車輛。國際標(biāo)準(zhǔn)化組織ISO/TC110稱為工業(yè)車輛。常用于倉儲大型物件的運輸,通常使用燃油機或者電池驅(qū)動。
      叉車的技術(shù)參數(shù)是用來表明叉車的結(jié)構(gòu)特征和工作性能的。主要技術(shù)參數(shù)有:額定起重量、載荷中心距、*大起升高度、門架傾角、*大行駛速度、*小轉(zhuǎn)彎半徑、*小離地間隙以及軸距、輪距等。
      工業(yè)搬運車輛廣泛應(yīng)用于港口、車站、機場、貨場、工廠車間、倉庫、流通中心和配送中心等,在船艙、車廂和集裝箱內(nèi)進行托盤貨物的裝卸、搬運作業(yè),是托盤運輸、集裝箱運輸中必不可少的設(shè)備。
      叉車通常可以分為三大類:內(nèi)燃叉車、電動叉車和倉儲叉車。
      內(nèi)燃叉車又分為普通內(nèi)燃叉車、重型叉車、集裝箱叉車和側(cè)面叉車。
      ① 普通內(nèi)燃叉車
      一般采用柴油、汽油、液化石油氣或天然氣發(fā)動機作為動力,載荷能力 1.2~8.0噸,作業(yè)通道寬度一般為3.5~5.0米,考慮到尾氣排放和噪音問題,通常用在室外、車間或其他對尾氣排放和噪音沒有特殊要求的場所。由于燃料補充方便,因此可實現(xiàn)長時間的連續(xù)作業(yè),而且能勝任在惡劣的環(huán)境下(如雨天)工作。
      ② 重型叉車
      采用柴油發(fā)動機作為動力,承載能力 10.0~52.0噸,一般用于貨物較重的碼頭、鋼鐵等行業(yè)的戶外作業(yè)。
      ③ 集裝箱叉車
      采用柴油發(fā)動機作為動力,承載能力 8.0~45.0噸,一般分為空箱堆高機、重箱堆高機和集裝箱正面吊。應(yīng)用于集裝箱搬運,如集裝箱堆場或港口碼頭作業(yè)。
      ④ 側(cè)面叉車
      采用柴油發(fā)動機作為動力,承載能力 3.0~6.0噸。在不轉(zhuǎn)彎的情況下,具有直接從側(cè)面叉取貨物的能力,因此主要用來叉取長條型的貨物,如木條、鋼筋等。


      預(yù)應(yīng)力機械顧名思義就是強化產(chǎn)生預(yù)應(yīng)力并進行施工的機械設(shè)備,這種機械通常必須要具備產(chǎn)生很大外力的能力,因為受力模塊本身通常具有很強的剛度和硬度,普通機械很難起到作用,預(yù)應(yīng)力機械便發(fā)揮了作用。
      在各種工程結(jié)構(gòu)構(gòu)件承受外荷載之前,對受拉模塊中的鋼筋等受力模塊,施加預(yù)拉應(yīng)力,提高構(gòu)件的剛度和硬度,推遲裂縫出現(xiàn)的時間,增加構(gòu)件的耐久性。對于機械結(jié)構(gòu)來看,其含義為預(yù)先使其產(chǎn)生應(yīng)力,其好處是可以提高構(gòu)造本身剛性和硬度,減少受拉模塊的振動和彈性變形。這樣做可以明顯改善受拉模塊的強度,使原本的抗性更強。
      在結(jié)構(gòu)承受外荷載之前,預(yù)先對去在外荷載作用下的受拉區(qū)施加壓應(yīng)力,以改善結(jié)構(gòu)使用的性能的結(jié)構(gòu)型式稱之為預(yù)應(yīng)力結(jié)構(gòu)。
      舉例:預(yù)應(yīng)力是在混凝土凝結(jié)前用鋼筋強機械把混凝土中的鋼筋適度拉伸著,在混凝土凝結(jié)后撤去外力,鋼筋就會在混凝土里產(chǎn)生一個收縮的應(yīng)力,使鋼筋混凝土強度更大。因而可以減少鋼筋用量,節(jié)約鋼材。

      建筑、橋梁、公路構(gòu)件有混凝土構(gòu)件、鋼筋混凝土、預(yù)應(yīng)力鋼筋混凝土構(gòu)件。預(yù)應(yīng)力鋼筋就是預(yù)先拉長一些的鋼筋、構(gòu)件輕,而且構(gòu)件能承受更大的重量。鋼筋預(yù)應(yīng)力機械不但要將鋼筋拉長,而且要將鋼筋錨固定在混凝土構(gòu)件上,讓鋼筋回復(fù)原樣的力壓縮混凝土。
      鋼筋預(yù)應(yīng)力機械主要由張拉機及錨具組成。
      張拉機的種類有機械式、電熱式及液壓式。機械式主要是用小車牽引鋼筋;電熱式利用鋼筋熱脹冷縮的原理,加熱鋼筋使其伸長。大量使用的主要是液壓式張拉機。
      液壓式張拉機由液壓泵站和千斤頂兩部分組成。液壓泵站輸出高壓油給千斤頂,千斤頂有空芯的、實芯的。實芯千斤頂拉鋼筋,稱拉桿千斤頂。空芯千斤頂頂鋼筋,稱穿心千斤頂。
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