力士樂螺紋插裝閥電磁線圈R901090828 OD02090130OC01-S5L45HRL-24VDC-23W-CL.-H,德國REXROTH螺紋插裝閥電磁線圈,購買進口液壓、氣動、自動化控制工業配件,
認準“上海韋米機電設備有限公司”,7年老店,產品實拍,保證產品原廠原裝,價格優惠,售后無憂,歡迎新老客戶咨詢采購!
電磁線圈是通電產生電磁的一種裝置。在鐵芯的外部纏繞與其功率相匹配的導電繞組,這種通有電流的線圈像磁鐵一樣具有磁性,它也叫做電磁鐵。我們通常把它制成條形或蹄形狀,以使鐵芯更加容易磁化。另外,為了使電磁鐵斷電立即消磁,我們往往采用消磁較快的的軟鐵或硅鋼材料來制做。這樣的電磁鐵在通電時有磁性,斷電后磁就隨之消失。電磁鐵在我們的日常生活中有著極其廣泛的應用,由于它的發明也使發電機的功率得到了很大的提高。
螺紋插裝閥
螺紋插裝閥以液體為介質,在液壓系統中,能夠通過機動或電動方式,可以調節、控制其流體方向、流量、壓力等油路動作;其安裝形式為螺紋旋入式的液壓執行元件。
液壓元件將向微型化、高壓力、大流量、高速度、高性能、高質量、高可靠性、系統成套方向發展;向低能耗、低噪聲、振動、無泄漏、耐久用、以及污染控制、應用水基介質等適應綠色環保要求的方向發展;開發高集成化高功率密度、智能化、人性化、機電一體化以及輕小型微型液壓元件。液壓元件/系統將呈現多極發展的態勢。
由于螺紋插裝閥具有加工方便、拆裝方便、結構緊湊、互換性強、便于大批量生產等一系列的優點,已經被廣泛應用在農機、廢物處理設備、起重機、拆卸設備、鉆井設備、鏟車、公路建設設備、消防車、林業機械、掃路車、挖掘機、多用途車、輪船、機械手和油井、礦井、金屬切削、金屬成型、塑料、成型、造紙、紡織、包裝設備及動力單元、試驗臺中等。
液壓制動系統
一般情況下,壓路機用方向操縱桿制動,即靜壓制動,當方向操縱桿處于中位時,驅動泵的排量為零,沒有油液進行主回路,壓路機在慣性的作用下停車,此時制動器不工作,始終是脫開的。
當進行停車制動和緊急制動時,操縱電磁制動閥20,由車輪制動器6實現制動:切斷電磁制動閥20,補油泵12的壓力油不能進入制動器6,制動器6與油箱16相通,靠彈簧壓緊摩擦片實現制動。
當發動機啟動,并且制動按鈕不起作用的情況下,補油泵的壓力油通過制動閥20進入制動器,頂開彈簧,脫開摩擦片,壓路機可以正常行走。
(1)驅動泵設有“中位”啟動自鎖裝置,只有方向操縱桿置于中位時,發動機才能啟動,避免發動機帶載啟動和發生意外危險(中位開關,油泵不回零位,發動機不能啟動);
(2)過載時,油泵排量減少,回中位:
(3)急停閥:電操縱電磁閥,使油泵回中位。
壓路機行走電子控制系統
振動壓路機的作業質量過去主要依靠司機的經驗和技術,司機的勞動強度很大,開發振動壓路機的電子控制系統具有以下優點:
(1)提高作業質量,進行施工質量管理,使壓實均一化,提高表面精度;
(2)減輕司機的勞動強度。壓路機通常租賃使用較多,希望誰都能使用,操作越簡單越好。
1.電子控制系統的基本組成
壓路機電子控制系統由以下基本元件組成:
(1)傳感器:滾輪轉速傳感器。
(2)操縱開關:手動和自動操縱轉換開關、行走車速設定開關。
(3)控制器:由微處理機和接口電路組成,對傳感器輸入信號進行處理后輸出控制信號進行控制。
(4)顯示器:顯示行走距離、行走速度等。
(5)執行元件:接受控制器輸出的控制信號進行控制。如行走泵流量控制比例電磁閥,它根據控制器輸出電流控制油泵的流量、方向和響應時間。
2.操縱方法
(1)手動方式
采用電子控制系統的振動壓路機和-般壓路機操作相同,由前后進操縱桿控制前進后退。另外,車速、行走距離和振動頻率都能顯示。
(2)自動模式
按起動開關振動壓路機開始行走,到達設定距離后自動返程。如前進后退距離設定相等,如后退距離比前進距離設定較短。這樣往返,可得均一的滾壓次數的壓實。
行走速度和加減速度由設定旋鈕來設定。起振車速由其設定旋鈕來設定,到達起振車速自動振動,低于此車速,振動自動停止。壓路機停止時按停車開關,按設定的減速度停車,緊急情況可跳剎車制動。
在此模式下,司機只需操縱轉向,大大減輕疲勞強度。
3.行走控制
(1)設定壓實行走距離、自動前進后退往復行走控制:由設計開關設定行走距離,通過裝在滾輪上的傳感器檢出行走距離,當接近設計距離時控制器輸出信號,蜂鳴器發出斷續音,到達設定值時發出連續聲。
(2)設定速度保持恒定行走速度控制;
為了行到均勻的壓實度需保持車速成恒定。振動壓路機在壓瀝青路面時,如果行走速度不均,由于車速成和振動頻率相互關系的變化,對滾壓面的加振
節距改變,將使表面壓實加工出現不均。一般壓路機的車速 可由改變發動機轉速(即控制油門)和改變油泵排量(即操縱前進后退手柄行程)來調速,但發動機轉速調速將影響振動頻率,需采用.調節油泵排量來改變車速,但由司機操縱手柄來調整車速,會增加司機的負擔,而且較難設定正確的車速,需采用自動控制。
(3)加減車速控制.
壓路機滾輪急啟動或急停,會使路面拱起,影響地面的平整度。特別是對簿而軟的混合土進行壓實時,會使壓實表面形成明顯的波紋。希望壓路機起步平穩和停車緩和,即要求控制起步、停車時的加減速度,特別是前后換向過程中,要求保證加減速平穩性,還要換向迅速。
5.壓路機壓實管理控制系統
(1)前進后退控制裝置
一般壓路機油泵方向和排量的改變通常采用杠桿操縱,為了調整車速,要求能在中間位置停留,故采用摩擦機構,機械杠桿操縱力較大,而且行程也較
大,操縱功較大,特別在狹窄場所作業時往復頻繁,司機勞動強度大。為此,采用電操縱桿和電液伺服控制。前后進操縱桿和電位器相連,操縱信號通過改變電位器的電阻值輸入控制器,控制器發出電信號,可以操縱變量泵電液伺服系統。
電操縱非常輕巧,用手指就能操縱,且行程小。 車速由旋鈕來設定,當前后進操縱桿至極限位置時,壓路機可達到設定車速,在其它位置則低于設定車速。由于杠桿操縱很輕,為了防止不注意引起的誤操作,在中間位置有鎖定機構。
(2)滾壓次數管理裝置
為了掌握路面的壓實度,-般以規定的滾壓次數來進行壓實。對于大壩、飛機場等壓實管理要求高的場合,司機需記憶滾壓次數,如采用算盤類記憶裝置等,但易出差錯。為此開發了滾壓次數管理裝置,在司機座操作面板上和外部顯示器上顯示滾壓次數。
1)手動:每滾壓一次,司機按一下面板上的按鈕。滾壓次數在面板上和外部顯示器上顯示,外部顯示器采用高輝度的電子顯示器(LED),在50m內都能看清。
2)自動:計數機構與前后進杠桿連動,可自動進行滾壓計數。
(3)壓實管理裝置
壓實過程中司機希望知道路面的壓實度,以便合理地進行壓實。目前采用的一種方式就是通過檢測壓路機滾輪的運動來求得壓實度方式。其工作原理是隨著壓實作業的進行,路面強度的增加,會引起振動壓路機滾輪的振動波形發生變化。在滾輪上裝置加速度傳感器,可測得加速度波形,通過微機處理,求得壓實度,能在操作面板上顯示與壓實度有關的數值。或者將此數值在顯示屏幕上利用濃淡形象地表示,壓路機行走速度和振動頻率也可同時表示出來。由此司機可較全面地了解路面的壓實程度,有利于合理施工。測得(的各種數值也可以在內存中記憶下來,待作業結束后,在辦公室中利用微機進行處理,并在微機中記載作業情況。
(4)行走管理裝置
行走管理裝置是將滾壓距離、次數輸入給計算機,向司機顯示前后進次數,以便進行液壓行走管理。還可以附加前后進的自動反轉控制,振動的自動控制等,以及在每一個滾輪上安裝行走距離傳感器,計算行走速度,進行各種控制。
6.振動壓路機電子控制系統的特點及存在問題
(1)特點:
1)操縱簡單,不需杠桿、踏板和開關操縱,只需操縱轉向。
2)壓實行走距離能正確控制,壓實次數和壓實質量均勻化能保證,壓實作業中,行走速度保持不變,壓實質量好且均勻。
3)平穩起步、停車,不影響壓實的路面,低車速時自動停止振動,不影響壓實路面的平整性。
4)具有車速表和振動頻率表,能夠確切了解路面壓實情況。
5)電子控制系統能簡單地裝在大型兩輪振動壓路機上。
(2)存在的問題:
1)經濟性:由于產量少、價格高,因此一-般作業任選或高價機子上有。
2)可靠性:建設機械作業環境惡劣,電子控制系統要注意耐環境性(特別是無駕駛室)和耐振動性。需要故障診斷系統和采用部件更換結構。
3)操縱性:電子控制系統具有很多功能,使操作面板上開關和指示燈較多,使操作麻煩,應盡量簡化。
4)安全性:為防止誤操作引起事故,需要有安全措施:如中位鎖定裝置、抗電波干擾裝置以及相關對策等。
力士樂螺紋插裝閥電磁線圈R901090828 OD02090130OC01-S5L45HRL-24VDC-23W-CL.-H
力士樂REXROTH行走機械液壓-緊湊型液壓系統-插裝閥-機械插裝閥-螺紋插
裝閥-電磁驅動閥-電磁線圈-電磁鐵
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R933000387 L5010D471OD0200
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R933000426 L5010E361OD0200
R933000439 L5010E401OD0200
R933000452 L5010E471OD0200
R933000465 L5010G201OD0200
R933000478 L5010G209OD0200
R933000491 L5010K201OD0200
R933000504 L5010K209OD0200
R933000517 L5010K301OD0200
R933000530 L5010K401OD0200
R933000543 L5010L201OD0200
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R933000596 L5010N201OD0200
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R933000622 L5010N401OD0200
R933000635 L5010N501OD0200
R933000648 L5010T301OD0200
R933000661 L5010T409OD0200
R933000674 L5010X301OD0200
R933000687 L5010X401OD0200
R933000713 L5010Y401OD0200
R933001390 L7002103AEOD020
R933001401 L7002103AIOD020
R933001419 L7053113AEOD020
R933001428 L7053113AIOD020
R933001437 L7053113BEOD020
R933001444 L7053113BIOD020
R933001451 L7053113CEOD020
R933001458 L7053113CIOD020
R933001465 L7053113DEOD020
R933001472 L7053113DIOD020
R933001502 L7054113AEOD020
R933001509 L7054113AIOD020
R933001516 L7054113BEOD020
R933001523 L7054113BIOD020
R933001530 L7054113CEOD020
R933001537 L7054113CIOD020
R933001544 L7054113DEOD020
R933001551 L7054113DIOD020
R933001568 L705C113AEOD020
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R933001585 L705C113BEOD020
R933001592 L705C113BIOD020
R933001599 L705C113CEOD020
R933001606 L705C113CIOD020
R933001613 L705C113DEOD020
R933001620 L705C113DIOD020
R933001734 L7102106AEOD020
R933001749 L7102106AIOD020
R933001760 L7102106EEOD020
R933001771 L7102106EIOD020
R933001802 L7112106AIOD020
R933001828 L7213116AEOD020
R933001837 L7213116AIOD020
R933001852 L7213116EEOD020
R933001860 L7213116EIOD020
R933001877 L7214116AEOD020
R933001885 L7214116AIOD020
R933001898 L7214116EEOD020
R933001905 L7214116EIOD020
R933001913 L721C116AEOD020
R933001921 L721C116AIOD020
R933001928 L721C116EEOD020
R933001935 L721C116EIOD020
R933003032 L8011E201OD0200
R934000368 SOL.S7H16-24VDC-26W-OD02070130OC00
R934000389 OD0217223POG00-S8.359DTV-14DC-20W-DIODE&
R934000426 OD02172230AC00-S8.356DTL-26DC-20W-DIODE&
R934000502 OD0216F203OB00-S8.356CVL-12DC-20W-FASTO&
R934000637 OD02140330OC00-S8K12.7-24VDC-19W
R934000640 OD0216DH02OB00-S8.356GNL.12DC-20W-D+CNTD
R934001177 OD02171530OG00-S8.356AJL-14DC-20W-DIODE&
R934001302 OD02210130OB00-R7-HRL-12VDC-18W-CL.H
R934003107 OD0211022AOB00-S8C12.7-12VDC-17W-L1000
R934003116 OD0211022AOC00-S8C12.7-24VDC-17W-L1000
R934003700 OD02370130OC02-S7L36HRL-24VDC-26W-CLAS-H
R934003749 OD02070130OZ02-S7L36HRL-220VRAC-30W-CL.&
R934003806 OD02070130OW02-S7L36HRL-110VRAC-30W-CL.&
R934003919 OD0221203POB00-R7-DTV-12VDC-18W-CL.H
R934004281 OD02250130OC00-S8.356HRL-24VDC-17W-CL.H&
R978024072 OD02110130OB00 S8H12.7 12VDC 17W F DIN
R987033043 OD 02030103 OOC OIL CONTROL
R987035952 MAGNEET 24V OILCONTROL OD 0211013 OOC
R987124444 OD02160130OC00 SOLENOIDE
R987178990 MAGNEET OD 02.17.01.30.OC 24VDC
R987193004 BROC S5L45HRL24VDC* OD020901300C01
R987196928 COIL OD02070130OC-02 24V
R987198233 SOLENOID COIL S8-F-OD02110130OZ &
R987201604 BROC S8356HRL24DC20WCL* OD021601300C00
R987211895 COIL OD02170130OC 24V
R987211935 OD 15.06.18-Y-SO/+OE.15../+OD02........
R987218902 COIL OD02160130OC 24VDC
R987233191 OD02110130OV00
R987234110 OD02170130OB000
R987248292 L8010B201OD0200
R987256825 OD02170130OZ
R987280176 SOLENOID COIL S8-356-H 24V 647OD02&
R987297522 VALVE S8-356-HOD02170130OC2
R987331918 OD15061818/OD02170130AC HMF
R987331926 ASSEMBLY KIT HMF 50505 OD0217
R987332310 OD0217_12DC_RES HMF RESERVEDELSKIT
R987361251 SOLENOID COIL OD02030130AC
R987361252 SOLENOID COIL OD02030130OF
R987361253 SOLENOID COIL OD02030130OH
R987361254 SOLENOID COIL OD02030130OR
R987361255 SOLENOID COIL OD02030130OW
R987361256 SOLENOID COIL OD02040130OB00
R987361257 SOLENOID COIL OD02040130OC00
R987361258 SOLENOID COIL OD02080330OC00
R987365970 SCREW-IN CAR.VALVE OD020701300C020
R987367005 FLOW REGULATOR OD02030130OC-S01
R987367877 OD02072030OB02 COIL S7, K40, 12 VDC
R987367878 OD02170130OC00 COIL S8-356
R987387565 OD02030130OC-S01 MAGNEET-24VDC + STEKKER
R988002918 OD02030130OC COIL S3 OD.02.03-01.30-OC
力士樂REXROTH行走機械液壓-緊湊型液壓系統-插裝閥-機械插裝閥-螺紋插
裝閥-電磁驅動閥
R901098192 OD133051300000 VED8I3206.51K30.30NCC215&
R901113686 OD131077700000-VED7I3209.77K10.70NCL625&
R901113687 OD131077710000-VED7I3209.77K10.71NCL625&
R901113690 OD132077700000-VED7I3209.77K20.70NCL625&
R901113692 OD132077710000-VED7I3209.77K20.71NCL625&
R901115704 OD133077700000-VED7I3209.77K30.70NCL625&
R901125116 OD131177700000-VED7I3209.77K11.70NCL625&
R901126871 OD131051300000-VED8I3206.51K10.30NCC215&
R901126872 OD131051400000 VED8I3206.51K10.40NCC215&
R901126873 OD131151300000 VED8I3206.51K11.30NCC215&
R901126875 OD131151400000 VED8I3206.51K11.40NCC215&
R901126890 OD131177710000-VED7I3209.77K11.71NCL625&
R901126892 OD132051300000 VED8I3206.51K20.30NCC215&
R901126895 OD132051400000 VED8I3206.51K20.40NCC215&
R901126897 OD133051400000 VED8I3206.51K30.40NCC215&
R901126898 OD133077710000-VED7I3209.77K30.71NCL625&
R901176250 OD130151510000 VED7A3T06.51K01.51NAL610&
R930058342 OD131051A000000-VED-016-32-08A-A-10-0000
R930058702 OD133051A000000-VED-016-32-08A-A-30-0000
R930058703 OD132051A000000-VED-016-32-08A-A-20-0000
R930058704 OD131151A000000-VED-016-32-08A-A-11-0000
R930058707 OD131051D000000-VED-016-32-08A-D-10-0000
R930058708 OD131151D000000-VED-016-32-08A-D-11-0000
R930058709 OD132051D000000-VED-016-32-08A-D-20-0000
R930058710 OD133051D000000-VED-016-32-08A-D-30-0000
R930060843 OD131051DV00000-VED-016-32-08A-D-10-V000
R930062150 OD131151A000020-VED-016-32-08A-A-11-V000
R930063895 OD1301516B0001-VEDT-08A-16A/21-3T01-N7
R930064161 OD132077D100000-D1_SAMPLE_VED-016-32-10&
R930076864 OD1301516B00V0-VEDT-08A-16A/21-3T01-VI
R930078397 OD131051E000000-VED-016-32-08A-E-10-0000
R930079040 OD131077A000000-B1_SAMPLE_VED-016-32-10&
R930079041 OD131077D000000-B1_SAMPLE_VED-016-32-10&
R930079042 OD131177A000000-B1_SAMPLE_VED-016-32-10&
R930079043 OD131177D000000-B1_SAMPLE_VED-016-32-10&
R930079044 OD132077A000000-B1_SAMPLE_VED-016-32-10&
R930079045 OD132077D000000-B1_SAMPLE_VED-016-32-10&
R930079047 OD133077A000000-B1_SAMPLE_VED-016-32-10&
R930079048 OD133077D000000-B1_SAMPLE_VED-016-32-10&
R934000597 OD130151270000-VED8A3T06.51K01.27NAC207&
R934000598 OD130151500000 VED7A3T06.51K01.50NAL610&
R934000615 OD131051400300-VED8I3206.51K10.40NCC215&
R934000616 OD131051600000-VED7A3206.51K10.60NCL615&
R934000629 OD132067390000-VED8A3206.67K20.39NCC218&
R934003053 OD13015196OC01-VED8A3T06.51K01.96NAAX05&
R934003054 OD132051600000-VED7A3206.51K20.60NCL615&
R934003541 OD1310511A0000-D1-SAMPLE-VEDS-08A-12A/0&
R934003544 OD1340511A0000 D1-SAMPLE-VEDS-08A-12A/0&
R934003616 OD1310121A0000-VEDS-12A-19A/00-3210-N7
R934003620 OD1310121B0000-VEDS-12A-19A/11-3210-N7
R934003666 OD1301516A0000-VEDT-08A-16A/00-3T01-N7
R934003667 OD1301516B0000-VEDT-08A-16A/21-3T01-N7
R934004090 OD1310121A0001-VEDS-12A-19A/00-3210-N7
R978025171 OD1320673900000 VED8A3206.67K20.39NCC218
R978049714 SEAL KIT OD13206739 / D09-BSC&
R987173940 OD1301515000000 VED-7A-3T-06
R987184387 OD 13.10.51.60.000
R987361457 VALVE OD131051390000
R987361458 VALVE OD132077600000
R987366099 SPECIAL VALVE OD1311777100000
力士樂REXROTH行走機械液壓-緊湊型液壓系統-插裝閥-機械插裝閥-螺紋插
裝閥-電磁驅動閥
R901098194 OD143158440000 VED8I4306.58K31.44NCD215&
R901113693 OD144058300000 VED8I4206.58K40.30NCC215&
R901113695 OD144078700000-VED-10A-42
R901113699 OD144078710000-VED7I4209.78K40.71NCL625&
R901113701 OD143178800000-VED7I4309.78K31.80NCD620&
R901113703 OD143178810000-VED7I4309.78K31.81NCD620&
R901113705 OD143258440000 VED8I4306.58K32.44NCD215&
R901113706 OD143278800000-VED7I4309.78K32.80NCD620&
R901126899 OD144058400000 VED8I4206.58K40.40NCC215&
R901126903 OD144158300000 VED8I4206.58K41.30NCC215&
R901126905 OD144158400000-VED8I4206.58K41.40NCC215D
R901126906 OD144178700000-VED7I4209.78K41.70NCL625&
R901126907 OD144178710000-VED7I4209.78K41.71NCL625&
R901126908 OD143278810000-VED7I4309.78K32.81NCD620&
R901237591 OD146078KK2000-VEDS-10A-4360
R901237592 OD144078KK2000-VEDS-10A-4340
R901237594 OD142078KK2000-VEDS-10A-4320
R901237595 OD141078KK2000-VEDS-10A-4310
R901255421 OD142078KK2100-VEDS-10A-4320-M1
R901255423 OD144078KK2100-VEDS-10A-4340-M1
R901255424 OD146078KK2100-VEDS-10A-4360-M1
R901255425 OD141078KK2100-VEDS-10A-4310-M1
R901271837 VEPS-10A-4320 OD142078KP2000
R901300083 VEPS-10A-4320-M1 OD142078KP2100
R930037526 CONTROL SPOOL CUR.OO D14 6E 6G 050&
R930058339 OD144058A000000-VED-016-42-08A-A-40-0000
R930058698 OD144758A000000-VED-016-42-08A-A-47-0000
R930058699 OD144358A000000-VED-016-42-08A-A-43-0000
R930058700 OD144558A000000-VED-016-42-08A-A-45-0000
R930058701 OD144158A000000-VED-016-42-08A-A-41-0000
R930058711 OD144158D000000-VED-016-42-08A-D-41-0000
R930058712 OD144558D000000-VED-016-42-08A-D-45-0000
R930058713 OD144058D000000-VED-016-42-08A-D-40-0000
R930058714 OD144358D000000-VED-016-42-08A-D-43-0000
R930058715 OD144758D000000-VED-016-42-08A-D-47-0000
R930063202 OD143158A000000-VED-016-43-08A-A-31-0000
R930063203 OD143258A000000-VED-016-43-08A-A-32-0000
R930063204 OD143358A000000-VED-016-43-08A-A-33-0000
R930063205 OD143458A000000-VED-016-43-08A-A-34-0000
R930063206 OD143658A000000-VED-016-43-08A-A-36-0000
R930063207 OD143758A000000-VED-016-43-08A-A-37-0000
R930066849 OD142078KK2110-VEDS-10A-4320-M1-CAT
R930066856 OD141078KK2110-VEDS-10A-4310-M1-CAT
R930066884 OD143358A000010-VED-016-43-08A-A-33-0000
R930067156 OD141158A000000-VED-016-43-08A-A-11-0000
R930067888 OD148078KK2000-VEDS-10A-4380
R930068445 OD143258A0DOB00-VED-016-43-08A-A-32-0OBD
R930069371 OD143258CP00000-VED-016-43-08A-C-32-P000
R930074645 OD143258A000010-VED-016-43-08A-A-32-0000
R930075130 OD143258C000000-VED-016-43-08A-C-32-0000
R930075131 OD143258C0AOB00-VED-016-43-08A-C-32-0AOB
R930075657 OD143458C000000-VED-016-43-08A-C-34-0000
R930079049 OD144078D000000-B1_SAMPLE_VED-016-42-10&
R930079050 OD144178D000000-B1_SAMPLE_VED-016-42-10&
R930079212 OD142078KK2120-VEDS-10A-4320-M1-CAT
R930079281 OD141078KK2120-VEDS-10A-4320-M1-CAT
R934000642 OD143178820000-VED7I4309.78K31.82NCD620&
R934000651 OD143278820000-VED7I4309.78K32.82NCD620&
R934000662 OD144058600000-VED7A4206.58K40.60NCL615&
R934003638 OD1411581A0000-VEDS-08A-12A/00-4211-N7
力士樂REXROTH行走機械液壓-緊湊型液壓系統-插裝閥-機械插裝閥-螺紋插
裝閥-電磁驅動閥
R409007235 SPOLE F OD 15-31-56 L540953
R901080482 OD1505363DS000 VEI8A2A09.36K05.3DNCC222&
R901080489 OD1506361AS000 VEI8A2A09.36K06.1ANAC220&
R901082015 OD1531183AS000 VEI8A2T06.18K31.3ANCC218&
R901083058 OD1505183AS000 VEI8A2A06.18K05.3ANCC218&
R901083257 OD1531183AS002-VEI8A2T06.V18K31.3ANCC21&
R901085462 OD1501213DS000-VEI8A2A12.21K01.3DNCC225&
R901085464 OD1510211AS000-VEI8A2B12.21K10.1ANAC225&
R901087979 OD1505183DS000 VEI8A2A06.18K05.3DNCC218&
R901090945 OD1505363AS800-VEI8A2A09.M36K05.3ANCC22&
R901090947 OD1505363AS000 VEI8A2A09.36K05.3ANCC222&
R901090950 OD1505183MS000 VEI8I2A06.18K05.3MNCC218&
R901090953 OD1505183IS000 VEI8I2A06.18K05.3INCC218&
R901090960 OD1504891BS000-VEI8A2B12.89K04.1BNAC225&
R901090961 OD1504891AS000-VEI8A2B12.89K04.1ANAC225&
R901090962 OD1501183IS000 VEI8I2A06.18K01.3INCC218&
R901090966 OD1501183MS000 VEI8I2A06.18K01.3MNCC218&
R901091096 OD1501183AS000 VEI8A2A06.18K01.3ANCC218&
R901091101 OD1501183DS000 VEI8A2A06.18K01.3DNCC218&
R901091102 OD1502181AS000 VEI8A2A06.18K02.1ANAC220&
R901091105 OD1502181BS000 VEI8A2A06.18K02.1BNAC220&
R901091106 OD1502181CS000 VEI8A2A06.18K02.1CNAC220&
R901091107 OD1502181IS000 VEI8I2A06.18K02.1ISNAC21&
R901091108 OD1502181LS000 VEI8I2A06.18K02.1LNAC218&
R901091109 OD1503043A0000 VEI8A2B16.04K03.3ANCC218S
R901091110 OD1503043DS000-VEI8A2B16.04K03.3DNCC218&
R901091111 OD1503183A0000 VEI8A2B06.18K03.3ANCC218S
R901091112 OD1503183DS000-VEI8A2B06.18K03.3DNCC218&
R901091113 OD1503363AS000-VEI8A2B09.36K03.3ANCC222&
R901091114 OD1503363AS800-VEI8A2B09M36K03.3ANCC222&
R901091116 OD1503893AS000-VEI8A2B12.89K03.3ANCC225&
R901091117 OD1503893DS000-VEI8A2B12.89K03.3DNCC225&
R901091118 OD1504041AS000-VEI8A2B16.04K04.1ANAC218&
R901091119 OD1504041BS000-VEI8A2B16.04K04.1BNAC218&
R901091120 OD1504041CS000-VEI8A2B16.04K04.1CNAC218&
R901091121 OD1504181AS000-VEI8A2B06.18K04.1ANAC218&
R901091122 OD1504181BS000-VEI8A2B06.18K04.1BNAC218&
R901091123 OD1504181CS000-VEI8A2B06.18K04.1CNAC218&
R901091124 OD1504361AS000-VEI8A2B09.36K04.1ANAC220&
R901091125 OD1504361BS000-VEI8A2B09.36K04.1BNAC225&
R901091126 OD1504361CS000-VEI8A2B09.36K04.1CNAC225&
R901091127 OD1505893AS000-VEI8A2A12.89K05.3ANCC225&
R901091128 OD1505893AS800-VEI8A2A12.M89K05.3ANCC22&
R901091129 OD1505893DS000-VEI8A2A12.89K05.3DNCC225&
R901091130 OD1506181AS000-VEI8A2A06.18K06.1ANAC218&
R901091131 OD1506181BS000 VEI8A2A06.18K06.1BNAC218&
R901091132 OD1506181CS000 VEI8A2A06.18K06.1CNAC218&
R901091133 OD1506181IS000 VEI8I2A06.18K06.1INAC218&
R901091134 OD1506181LS000 VEI8I2A06.18K06.1LNAC218&
R901091135 OD1506181MS000 VEI8I2A06.18K06.1MNAC218&
R901091136 OD1506361BS000 VEI8A2A09.36K06.1BNAC220&
R901091137 OD1506361CS000 VEI8A2A09.36K06.1CNAC220&
R901091139 OD1506891AS000-VEI8A2A12.89K06.1ANAC225&
R901091140 OD1506891BS000-VEI8A2A12.89K06.1BNAC225&
R901091141 OD1506891CS000-VEI8A2A12.89K06.1CNAC225&
R901091142 OD1507183IS000-VEI8I2A06.F18K07.3INCC21&
R901091146 OD1508181IS000 VEI8I2A06.F18K08.1INAC21&
R901091148 OD1508181LS000-VEI8I2A06.F18K08.1LNAC21&
R901091149 OD1508181MS000 VEI8I2A06.F18K08.1MNAC21&
R901091150 OD1509183AS000-VEI8A2B06.18K09.3ANCC218&
R901091151 OD1509183DS000-VEI8A2B06.18K09.3DNCC218&
R901091152 OD1510181AS000-VEI8A2B06.18K10.1ANAC218&
R901091154 OD1510181BS000-VEI8A2B06.18K10.1BNAC218&
R901091155 OD1510181CS000-VEI8A2B06.18K10.1CNAC218&
R901091157 OD1511193AS000 VEI8A2A06.U19K11.3ANCC21&
R901091158 OD1511193DS000 VEI8A2A06.U19K11.3DNCC21&
R901091159 OD1512191AS000-VEI8A2A06.U19K12.1ANAC21&
R901091161 OD1512191BS000-VEI8A2A06.U19K12.1BNAC21&
R901091162 OD1512191CS000-VEI8A2A06.U19K12.1CNAC21&
R901091163 OD153118378000 VEI8A2T06M18K31.37NCC218S
R901091164 OD1531183DS000-VEI8A2T06.18K31.3DNCC218&
R901091165 OD153118478000 VEI8A2T06M18K31.47NCC218S
R901091166 OD1531363AS000-VEI8A2T09.36K31.3ANCC222&
R901091167 OD1531363DS000-VEI8A2T09.36K31.3DNCC222&
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R901091169 OD1531893AS800-VEI8A2T12M89K31.3ANCC225&
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工程機械是裝備工業的重要組成部分。概括地說,凡土石方施工工程、路面建設與養護、流動式起重裝卸作業和各種建筑工程所需的綜合性機械化施工工程所必需的機械裝備,稱為工程機械。
它主要用于建設工程、交通運輸建設,能源工業建設和生產、礦山等原材料工業建設和生產、農林水利建設、工業與民用建筑、城市建設、環境保護等領域。
中國工程機械與其他各國比較還增加了鐵路線路工程機械、叉車與工業搬運車輛、裝修機械、電梯、風動工具等行業。
中國工程機械行業產品范圍主要從通用設備制造和專用設備制造業大類中分列出來。產品范圍涵蓋了工程機械大行業18大類產品,這18大類產品,包括挖掘機械,鏟土運輸機械,工程起重機械,工業車輛,壓實機械,樁工機械,混凝土機械,鋼筋及預應力機械,裝修機械,鑿巖機械,氣動工具,鐵路路線機械,工程機械,電梯與扶梯,工程機械專用零部件等。
普通重工工程機械
①挖掘機械 如單斗挖掘機(又可分為履帶式挖掘機和輪胎式挖掘機)、多斗挖掘機(又可分為輪斗式挖掘機和鏈斗式挖掘機)、多斗挖溝機(又可分輪斗式挖溝機和鏈斗式挖溝機)、滾動挖掘機、銑切挖掘機、隧洞掘進機(包括盾構機械)等。
②鏟土運輸機械 如推土機(又可分為輪胎式推土機和履帶式推土機)、鏟運機(又可分為履帶自行式鏟運機、輪胎自行式鏟運機和拖式鏟運機)、裝載機(又可分為輪胎式裝載機和履帶式裝載機、平地機(又可分為自行式平地機和拖式平地機)、運輸車(又可分為單軸運輸車和雙軸牽引運輸車)、平板車和自卸汽車等。
③起重機械 如塔式起重機、自行式起重機、桅桿起重機、抓斗起重機等。
④壓實機械 如輪胎壓路機、光面輪壓路機、單足式壓路機、振動壓路機、夯實機、搗固機等。
⑤樁工機械 如鉆孔機、柴油打樁機、振動打樁機、破碎錘等。
⑥鋼筋混凝土機械 如混凝土攪拌機、混凝土攪拌站、混凝土攪拌樓、混凝土輸送泵、混凝土攪拌輸送車、混凝土噴射機、混凝土振動器、鋼筋加工機械等。
⑦路面機械 如平整機、道碴清篩機等。
⑧鑿巖機械 如鑿巖臺車、風動鑿巖機、電動鑿巖機、內燃鑿巖機和潛孔鑿巖機等。
⑨其他工程機械 如架橋機、氣動工具(風動工具)等。
機械設備種類繁多。機械設備運行時,其一些部件甚至其本身可進行不同形式的機械運動。機械設備由驅動裝置、變速裝置、傳動裝置、工作裝置、制動裝置、防護裝置、潤滑系統、冷卻系統等部分組成。
機械行業的主要產品包括以下12類:
(1)農業機械:拖拉機、播種機、收割機械等。
(2)重型礦山機械:冶金機械、礦山機械、起重機械、裝卸機械、工礦車輛、水泥設備等。
(3)工程機械:鏟土運輸機械、壓實機械、混凝土機械等。
(4)石化通用機械:石油鉆采機械、煉油機械、化工機械、泵、風機、閥門、氣體壓縮機、制冷空調機械、造紙機械、印刷機械、塑料加工機械、制藥機械等。
(5)電工機械:發電機械、變壓器、、高低壓開關、電線電纜、蓄電池、電焊機、家用電器等。
(6)機床:金屬切削機床、鍛壓機械、鑄造機械、木工機械等。
(7)汽車:載貨汽車、公路客車、轎車、改裝汽車、摩托車等。
(8)儀器儀表:自動化儀表、電工儀器儀表、光學儀器、成分分析儀、汽車儀器儀表、電料裝備、電教設備、照相機等。
(9)基礎機械:軸承、液壓件、密封件、粉末冶金制品、標準緊固件、工業鏈條、齒輪、模具等。
(10)包裝機械:包裝機、裝箱機、輸送機等。
(11)環保機械:水污染防治設備、大氣污染防治設備、固體廢物處理設備等。
(12)礦山機械
工程機械的分類
(1)挖掘機械、(2)鏟土運輸機械、(3)工程起重機械、(4)工業車輛、(5)壓實機械、(6)路面機械、(7)樁工機械、(8)混凝土機械、(9)鋼筋和預應力機械、(10)裝修機械、(11)鑿巖機械、(12)氣動工具、(13)鐵路線路機械、(14)掘進機械、(15)市政工程與環衛機械、(16)工程機械、(17)電梯與扶梯、(18)工程機械專用零部件、(19)其它專用工程機械
液壓系統的維護
1、選擇適合的液壓油
液壓油在液壓油系統中起著傳遞壓力、潤滑、冷卻、密封的作用,液壓油選擇不恰當是液壓系統早期故障和耐久性下降的主要原因。應按隨機《使用說明書》中規定的牌號選擇液壓油,特殊情況需要使用代用油時,應力求其性能與原牌號性能相同。不同牌號的液壓油不能混合使用,以防液壓油產生化學反應、性能發生變化。深褐色、乳白色、有異味的液壓油是變質油,不能使用。
2、定期保養注意事項
目前有的工程機械液壓系統設置了智能裝置,該裝置對液壓系統某些隱患有警示功能,但其監測范圍和準確程度有一定的局限性,所以液壓系統的檢查保養應將智能裝置監測結果與定期檢查保養相結合。
3、防止固體雜質混入液壓系統
清潔的液壓油是液壓系統的生命。液壓系統中有許多精密偶件,有的設阻尼小孔或縫隙等。若固體雜質入侵將造成精密偶件拉傷,發卡、油道堵塞等,危及液壓系統的安全運行。一般固體物質入侵途徑有:液壓油不潔;加油工具不潔;加油和維修、保養不慎;液壓元件脫屑等。
防止空氣和水入侵液壓系統
4.防止空氣入侵液壓系統
在常壓常溫下液壓油中含有容積比為6%~8%的空氣,壓力降低時空氣會從油中游離出來,氣泡破裂使液壓元件“氣蝕”,產生噪聲。大量的空氣進入油液中將使“氣蝕”現象加劇,液壓油壓縮性增大,工作不穩定,降低工作效率,執行元件出現“爬行”等不良后果。另外,空氣還會使液壓油氧化,加速其變質。
防止水入侵液壓系統
液壓油中含有過量水分會使液壓元件銹蝕,油液乳化變質、潤滑油膜強度降低,加速機械磨損。除了維修保養時要防止水分入侵外,還要注意儲油桶不用時要擰緊蓋子,*好倒置放置;含水量大的液壓油要經多次過濾,每過濾一次要更換一次烘干的濾紙。在沒有專用儀器檢測時,可將液壓油滴到燒熱的鐵板上,沒有蒸氣冒出并立即燃燒方能加注。
5.工程機械作業要柔和平順
工程機械作業應避免粗暴,否則必然產生沖擊負荷,使工程機械故障頻發,大大縮短其使用壽命。作業時產生的沖擊負荷,一方面會使工程機械結構早期磨損、斷裂、破碎,另一方面又使液壓系統中產生沖擊壓力,沖擊壓力又會使液壓元件損壞、油封和高壓油管接頭與膠管的壓合處過早失效漏油或爆管、溢流閥頻繁動作使油溫上升。我單位新購一臺UH171正鏟挖掘機,作業中每隔4~6天斗門油管就要漏油或爆裂。油管是隨機進口的純正品,經檢測沒有質量問題。通過現場觀察,發現是斗門開、閉時強烈撞擊限位塊、門框所致。要有效地避免產生沖擊負荷:必須嚴格執行操作規程;液壓閥開、閉不能過猛、過快;避免使工作裝置構件運動到極限位置產生強烈擊;沒有沖擊功能的液壓設備不能用工作裝置(如挖掘機的鏟斗)猛烈沖擊作業對象以達到破碎的目的。還有一個值得注意的問題:操作手要保持穩定。因為每臺設備操縱系統的自由間隙都有一定差異,連接部位的磨損程度不同其間隙也不同,發動機及液壓系統出力的大小也不盡相同,這些因素賦予了設備個性,只有使用該設備的操作手認真摸索,修正自己的操縱動作以適應設備的個性,經過長期作業后才能養成符合設備個性的良好操作習慣。工程機械行業堅持定人定機制度,這也是因素之一。