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REXROTH螺纹插装阀溢流阀R901091914 041149035635000

REXROTH螺纹插装阀溢流阀R901091914 041149035635000

所属品牌:力士乐REXROTH
产品系列:R901091914 041149035635000
联系人:雷青
联系电话:13524123009
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审核时间:2020-10-13
有效期:10672天
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REXROTH螺纹插装阀溢流阀R901091914 041149035635000,德国力士乐螺纹插装阀溢流阀,减压阀,上海韦米机电设备有限公司主营销售产品,原厂原装,质量保障,销售热线:13524123009,传真:021-51334670;联系人:雷青。热诚欢迎新老客户咨询购买!



挖掘机械是用铲斗挖掘高于或低于承机面的物料,并装入运输车辆或卸至堆料场的土方机械。挖掘的物料主要是土壤、煤、泥沙及经过预松后的岩石和矿石。挖掘机械分为单斗挖掘机和多斗挖掘机两类。

挖掘机,又称挖掘机械,又称挖土机,是用铲斗挖掘高于或低于承机面的物料,并装入运输车辆或卸至堆料场的土方机械。
挖掘机挖掘的物料主要是土壤、煤、泥沙以及经过预松后的土壤和岩石。从近几年工程机械的发展来看,挖掘机的发展相对较快,挖掘机已经成为工程建设中最主要的工程机械之一。 挖掘机最重要的三个参数:操作重量(质量),发动机功率和铲斗斗容。

常见的挖掘机结构包括,动力装置,工作装置,回转机构,操纵机构,传动机构,行走机构和辅助设施等。
传动机构通过液压泵将发动机的动力传递给液压马达、液压缸等执行元件,推动工作装置动作,从而完成各种作业。

液压挖掘机主要由发动机、液压系统、工作装置、行走装置和电气控制等部分组成。液压系统由液压泵、控制阀、液压缸、液压马达、管路、油箱等组成。电气控制系统包括监控盘、发动机控制系统、泵控制系统、各类传感器、电磁阀等。
液压挖掘机一般由工作装置、上部车体和下部车体三大部分组成。据其构造和用途可以区分为:履带式、轮胎式、步履式、全液压、半液压、全回转、非全回转、通用型、专用型、铰接式、伸缩臂式等多种类型。
工作装置是直接完成挖掘任务的装置。它由动臂、斗杆、铲斗等三部分铰接而成。为了适应各种不同施工作业的需要,液压挖掘机可以配装多种工作装置,如挖掘、起重、装载、平整、夹钳、推土、冲击锤,旋挖钻等多种作业机具。
回转与行走装置是液压挖掘机的机体,转台上部设有动力装置和传动系统。发动机是液压挖掘机的动力源,大多采用柴油要在方便的场地, 也可改用电动机。
液压传动系统通过液压泵将发动机的动力传递给液压马达、液压缸等执行元件,推动工作装置动作,从而完成各种作业。

挖掘机械一般由动力装置、传动装置、行走装置和工作装置等组成。单斗挖掘机和斗轮挖掘机还有转台,多斗挖掘机还有物料输送装置。动力装置有柴油机、电动机、柴油发电机组或外电源变流机组。柴油机和电动机大多用于中、小型挖掘机械,用一台原动机集中驱动,两者可互换。柴油发电机组和外电源变流机组用于大、中型挖掘机械,用多台电机分散驱动。行走装置主要用来支承机器、使机器变换工作位置和转移作业场地;另外,链斗式挖掘机和环轮式挖掘机的铲斗,随着行走装置的连续行走而切削土壤。行走装置有履带式、轮胎式、步行式、轨行式、浮游式和拖挂式等几种。作业场地固定、要求接地比压较低时用履带式;作业场地多变时用轮胎式;因施工条件特殊而必须架设专用轨道时,用轨行式;挖掘水下泥土用浮游式;小型单斗挖掘机的行走装置无动力源时,用拖挂式;作业场地固定、机器重量大时,用步行式。步行式行走装置大多用于单斗挖掘机中的大、中型拉铲挖掘机和斗轮挖掘机。

工作装置是液压挖掘机的主要组成部分,挖掘机配置的是反铲工作装置,它主要用于挖掘停机面以下的土壤,但也可以挖掘最大切削高度以下的土壤,除了可以挖坑、开沟、装载外还可以进行简单平整场地工作。挖掘作业适应于开挖Ⅰ~Ⅳ级土,Ⅴ级以上用液压锤或需爆破手段。反铲工作装置由动臂、斗杆、铲斗、摇杆、连杆及包含动臂油缸、斗杆油缸、铲斗油缸在内的工作装置液压管路等主要部分组成。

动力传输路线表
1.行走动力传输路线:柴油机—联轴节—液压泵(机械能转化为液压能)—分配阀—中央回转接头—行走马达(液压能转化为机械能)—减速箱—驱动轮—轨链履带—实现行走2回转运动传输路线:柴油机—联轴节—液压泵(机械能转化为液压能)—分配阀—回转马达(液压能转化为机械能)—减速箱—回转支承—实现回转3动臂运动传输路线:柴油机—联轴节—液压泵(机械能转化为液压能)—分配阀—动臂油缸(液压能转化为机械能)—实现动臂运动4斗杆运动传输路线:柴油机—联轴节—液压泵(机械能转化为液压能)—分配阀—斗杆油缸(液压能转化为机械能)—实现斗杆运动5铲斗运动传输路线:柴油机—联轴节—液压泵(机械能转化为液压能)—分配阀—铲斗油缸(液压能转化为机械能)—实现铲斗运动
动力系统的构成及功能
·进气系统——网罩→胶管→空滤→胶管→增压器→胶管→中冷器→胶管→发动机 ·排气系统——增压器→膨胀节→消声器→排气管 ·冷却系统——水箱→胶管→节温器→水泵→柴油机→胶管→水箱 ·油门控制系统——步进电机→减速机→蜗轮蜗杆传动→油门拉线→柴油机油门—高怠速、低怠速限位开关 ·燃油系统进油系:燃油箱→胶管→手油泵→粗滤器→精滤器→柴油机回油系:柴油机→胶管→燃油箱 (回油量比较大,用它来进行部份冷却)

REXROTH螺纹插装阀溢流阀R901091914 041149035635000

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力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-平衡组件-标准阀座设计,差速器区
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力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-平衡组件-卸载大气压,阀座设计
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力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-平衡组件-局部卸压阀座设计,差速器区
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力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-溢流阀和减压阀-压力截止阀,先导式
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力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-直动式换向阀-外部先导控制,外部排气
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力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-直动式换向阀-外部先导控制,外部排气
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力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-直动式换向阀-外部先导控制,外部排气
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力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-逻辑元件和补偿器-体积流量和压力控制,带外部先导控制
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R930073932 048416005710000-VLSC-12A-TF-08-SPEC
R930075782 BP19093_00-VLSC-16A-TF-12-A
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-逻辑元件和补偿器-压力补偿器
R930000887 048405002705000-VLSQ-16A-TF-05
R930006102 048405002711000-VLSQ-16A-TF-11
R901109877 04840500570500A-VLSQ-12A-05-A
R930005661 048405005714000-VLSQ-12A-14
R930078735 048405005714010-VLSQ-12A-14-01
R930080470 048405005714010-VLSQ-12A-14-OR
R901109383 048405008505000-VLSQ-10A-05
R901109384 048405008511000-VLSQ-10A-11
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-逻辑元件和补偿器-分路功能,阀座设计
R901095969      048407008504000-VLDT-10A-F-04
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-逻辑元件和补偿器-压力补偿器,组合类型-VCSQ-10A
R901162013 048406002706000-VCSQ-16A-06
R901109889 048406005705000-VCSQ-12A-05
R901109385 048406008505000-VCSQ-10A-05
R901109386 048406008511000-VCSQ-10A-11
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-逻辑元件和补偿器-逻辑元件,压力补偿器带静态负载信号
R930001078 048409002705000-VRLA-16A-05-S
R930001079 048409002711000-VRLA-16A-11-S
R930001080 048409002722000-VRLA-16A-22-S
R930001081 048409005710000-VRLA-12A-10-S
R930067881 048409005710010-VRLA-12A-10-S-D3
R930001090 048410082705000-VRLA-16A-05-D-08
R930001091 048410082711000-VRLA-16A-11-D-08
R930001092 048410082722000-VRLA-16A-22-D-08
R930001093 048410085812000-VRLA-20A-12-D-08
R930001196 048410088510000-VRLA-10A-10-D-08
R930001094 048410102705000-VRLA-16A-05-D-10
R930001095 048410102711000-VRLA-16A-11-D-10
R930001096 048410102722000-VRLA-16A-22-D-10
R930001097 048410105710000-VRLA-12A-10-D-10
R930001098 048410105812000-VRLA-20A-12-D-10
R930001082 048409005812000-VRLA-20A-12-S
R930001191 048409008505000-VRLA-10A-05-S
R930077854 048409008505010-VRLA-10A-05-S-10L
R930001192 048409008510000-VRLA-10A-10-S
R930001084 048410052711000-VRLA-16A-11-D-05
R930001085 048410052722000-VRLA-16A-22-D-05
R930001086 048410055710000-VRLA-12A-10-D-05
R930001087 048410055812000-VRLA-20A-12-D-05
R930001088 048410062705000-VRLA-16A-05-D-06
R930001089 048410075710000-VRLA-12A-10-D-07
R930063464 BP16164_00-C1-SAMPLE-VRLA-16A-05-S-PE-G1
R930064569 BP17026_00-VRLA-20A-7,5-D-05
R930067332 BP17105_00-C1-SAMPLE-VRLA-10A-15-S
R930076462 BP19116_00-VRLA-10A-05-S-15L
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-减压阀、安全阀和溢流阀-直动式滑阀类型-VRPR-07A
R901104066 04950403850100A-VRPR-10A-01-A
R901109740 04950403850200A-VRPR-10A-02-A
R901102333 04950403850400A-VRPR-10A-04-A
R930001154 049504038504050-VRPR-10A-04-30BAR
R930006197 049504038504090-VRPR-10A-04-09
R930006439 049504038504100-VRPR-10A-04-10
R930078835 049504038504V0A-VRPR-10A-04-V-A
R901104115 04950403850600B-VRPR-10A-06-B
R901109742 04950403850800A-VRPR-10A-08-A
R901109743 049504048501000-VRPR-10A-V-01
R901109744 04950404850200A-VRPR-10A-V-02-A
R901109745 04950404850400A-VRPR-10A-V-04-A
R901109747 04950404850800A-VRPR-10A-V-08-A
R930006721 049508919903000-VRPR-07A-03-91
R930006722 049508919906000-VRPR-07A-06-91
R930006735 04951183560500A-VRPR-08A-05-A
R930006736 04951183561000A-VRPR-08A-10-A
R930008255 049511915620000-VRPR-08A-91-20
R930079923 049513049903000-VRPR-07A-2-30
R930069088 085154030435010-A-VBSOSE33FA-VRPR-A6VE0&
R930065230 BP17050_00-A-VBSOSE33FA-VRPR-A2FE45-56-&
R930065582 BP17050_0A-A-VBSOSE33FA-VRPR-A6VE055/65
R930072445 BP18127_00-A-VBSO-SE-42-VRPR-FA100SAE35&
R930072562 BP18127_0A-AVBSOSE42-VRPR-FA100SAE35&
R930075535 BP19075_00-VRPR-07A-03-91-LOWLEAK
R930006738 04950983850400A-VRPR-10A-8-04-A
R930065589 049509838504V0A-VRPR-10A-8-04-35B-FKM
R930006739 04950983850600A-VRPR-10A-8-06-A
R930080091 04950983850601A-VRPR-10A-8-06-A-30BAR
R930080092 04950983850602A-VRPR-10A-8-06-A-35BAR
R930080093 04950983850603A-VRPR-10A-8-06-A-40BAR
R930006740 04950983851000A-VRPR-10A-8-10-A
R930051267 049509838510010-VRPR-10A-8-10-01
R930080109 04950983851001A-VRPR-10A-8-10-A-70BAR
R930006724 049509919903000-VRPR-07A-S-03-91
R930075536 BP19076_00-VRPR-07A-06-91-LOWLEAK
R930078184 BP20027_00-VRPR-07A-02
R934001153 OR0811830220S0-VRPR-08A-C-STEEL-G38-20
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-减压阀、安全阀和溢流阀-先导驱动滑阀类型
R901109757 049307032010000-VRPX-08U-10
R901109758 049307032020000-VRPX-08U-20
R930063764 049307038502000-VRPX-10A-02
R930006982 049307038505000-VRPX-10A-05
R930078815 049307038505V00-VRPX-10A-05-V
R901104118 049307038510000-VRPX-10A-10
R930067680 049307038510020-VRPX-10A-10-100B
R930005684 049307038510V00-VRPX-10A-10-VITON
R930079839 049307038510V80-VRPX-10A-10-88-VITON
R901106468 049307038520000-VRPX-10A-20
R930072323 049307038520020-VRPX-10A-20-130B
R930005596 049307048535000-VRPX-10A-V-35
R934000752 OR0907030310S0-VRPX-10A-C-STEEL-G12-10
R934000631 OR0907030320S0-VRPX-10A-C-STEEL-G12-20
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-减压阀
R901109754 049306032010000-VRPP-08U-10
R901109755 049306032020000-VRPP-08U-20
R901104112 049306038510000-VRPP-10A-10
R930064949 049306038510V00-VRPP-10A-10-VITON
R930065549 049306038510V10-VRPP-10A-10-50B-FKM
R930065550 049306038510V20-VRPP-10A-10-70B-FKM
R901104113 049306038520000-VRPP-10A-20
R930005676 049306048535000-VRPP-10A-V-35
R930069792 049308035705000-VRPP-12A-05
R930069808 049308035705880-VRPP-12A-05-88
R901109737 049308035710000-VRPP-12A-10
R901109738 049308035720000-VRPP-12A-20
R901109739 049308035735000-VRPP-12A-35
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-单向阀,先导阀,梭阀,阀座设计
R930001139 049403000901000-SEL-N-14-V
R901161981 049405005600000-SELB-08A
R901161985 049406095600000-SELC-08A-1/4
R901161987 049406555600000-SELC-08A-9/16
R930005663 049407005400000-SELC-04A
R930056708 04940900850000A-SELB-10A-A
R930058604 049410009918000-SELO-10M-18-BAR
R933002583 L9310940007AA00-SEL.VS285/F CON ELEM.VS&
R987453212 L9310940007AA00-SEL.VS285/F CON ELEMVS80
R987159500 M6 X 10 BUTTON HEAD SCREW - SELF COLOUR
R910944521 O-RING PRP 112' 12,37X2,62' N70 X-SEL
R909156805 O-RING PRP 219-7507 X-SEL *G*
R909156806 O-RING PRP 223-7507 X-SEL *G*
R909156306 O-RING PRP O24-7507 X-SEL *G*
R932004144 V389655A00-V3DS-2P-SEL.-SCH-A-A-CASSETT&
R901197242      FICTIT.SUBASSEMBLY SEL-N-18-V
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-电磁插装阀-电动比例阀-比例减压阀-FTDRE 2K
R900313333 SEAL KIT FTWE2/FTDRE2-FKM
R900390607 FTDRE 2 K10/18AG12C2V
R900555252 FTDRE 4 K1X/18AG12C4V
R900568430 FTDRE 4 K1X/30AG12C4V
R900568431 FTDRE 4 K1X/30AG24C4V
R900577390 FTDRE 4 K1X/30AG24C2V
R900617349 FTDRE 4 K1X/30AG24K4003V
R900701407 FTDRE 2 K3X/18AG24C4V-8
R900701653 FILTER FTDRE 2 K32/ 160YM
R900708490 FTDRE 4 K1X/18AG24K4003V
R900716652 GEHAEUSE FTDRE 4 G10/01 G1/4 4X M22X1,5
R900726604 FTDRE 2 K3X/18AG12C4V-8
R900727801 FTDRE 4 K1X/30AG24C4V-8
R900728310 FTDRE 2 K3X/18AG12C14V-01
R900728503 FILTER FTDRE 4 K10/ 160YM
R900731395 FTDRE 2 K3X/18AG12C10V-8
R900737017 GEHAEUSE FTDRE 4 G10/01 G1/4 2X M22X1,5
R900737019 GEHAEUSE FTDRE 4 G10/01 G1/4 6XM22 T-P-A
R900743964 FTDRE 2 K3X/24AG24K4003V
R900768312 FTDRE 2 K3X/18AG12K43V-009
R900771731 FTDRE 4 K1X/30AG24K40V-8
R900828233 PLATINE MHCSP 30-20/12V SWE 5V FTDRE2
R900828234 PLATINE MHCSP 30-20/24V SWE10V FTDRE2
R900828235 PLATINE MHCSP 30-20/24V SWE 5V FTDRE2
R900836186 SCREW PLUG FTDRE 4 K10/V P-A *BG
R900843745 SPULE FTDRE 2-30/C4V 0,8A 12,0 +OR*BG
R900843746 SPULE FTDRE 2-30/C4V 1,8A 2,4 +OR*BG
R900846072 SEAL KIT FTWE4/FTDRE4-FKM
R900855635 SCREW PLUG FTDRE 4 K10/V ZU *BG
R900870070 GEHAEUSE FTDRE4/WE4 G10/M22X1.5/G1/4 *BG
R900883310 SCREW PLUG FTDRE 2 K10/V ZU *BG
R900891894 DECKEL MO-40 H10/3KZBW01 SUN + FTDRE 4
R900891895 PLATTE MO-40 H10/13 3F-BRILLE SUN+FTDRE4
R900891899 DECKEL MO-40 V10/4KMZW01 SUN + FTDRE 4
R900891900 PLATTE MO-40 V10/13 4F-BRILLE SUN+FTDRE4
R900923929 FTDRE 2 K3X/18AG12C2V-01
R900947778 FTDRE 2 K3X/18AG12C2V
R900947779 FTDRE 2 K3X/18AG24C2V
R900947780 FTDRE 2 K3X/18AG24C4V
R900947781 FTDRE 2 K3X/18AG12C4V
R900955084 FTDRE 2 K3X/18AG12C10V-01
R901023204 FTDRE 2 K3X/18AG24K40V-8
R901047323 FTDRE 2 K3X/18AG12K40V-8
R901055754 FTDRE 4 K1X/18AG24K40V-8
R901060306 FTDRE 4 K1X/30AG12C4V-8
R901066421 GEHAEUSE FTDRE 2 G30/01 G1/4 M18X1,5
R901082420 FTDRE 4 K1X/30AG12K40V-8
R901111792 SCREW PLUG FTDRE 2 *BG
R901154628 FTDRE 2 K3X/24AG24K40V-8
R901158825 SCREW PLUG FTDRE 2 K10/V P-A *BG
R901163136 FTDRE 2 K4X/30AG24N0K40V-8
R901163327 FTDRE 2 K4X/30AG12N0C4V-8
R901163511 FTDRE 2 K4X/30AG12N0K40V-8
R901163577 FTDRE 2 K4X/30AG24N0C4V-8
R901283838 FTDRE 2 K3X/18AG24N0C4V
R901283848 FTDRE 2 K3X/18AG12N0C4V
R901339520 FTDRE 4 K1X/18AG12K40V-8
R901377801 FTDRE 2 K3X/24AG24N0K40V-018
R901377807 FTDRE 2 K3X/18AG12N0C4V-01
R901377808 FTDRE 2 K3X/18AG24N0C4V-8
R901377809 FTDRE 2 K3X/18AG12N0C4V-8
R901377811 FTDRE 2 K3X/18AG12N0C4V-4
R901377813 FTDRE 2 K3X/18AG24N0C4V
R901377814 FTDRE 2 K3X/18AG24N0K40V-8
R901377815 FTDRE 2 K3X/18AG12N0K40V-8
R901377816 FTDRE 2 K3X/18AG24N0C4V-018
R901377818 FTDRE 2 K3X/24AG24N0K40V-8
R901377819 FTDRE 4 K1X/18AG12N0C4V
R901377820 FTDRE 4 K1X/18AG24N0C4V
R901377821 FTDRE 4 K1X/30AG12N0C4V
R901377822 FTDRE 4 K1X/30AG24N0C4V
R901377824 FTDRE 4 K1X/30AG24N0C4V-8
R901377826 FTDRE 4 K1X/30AG24N0K40V-8
R901377827 FTDRE 4 K1X/18AG24N0K40V-8
R901377829 FTDRE 4 K1X/30AG12N0C4V-8
R901377830 FTDRE 4 K1X/30AG12N0K40V-8
R901377831 FTDRE 4 K1X/18AG12N0K40V-8
R901395839 FTDRE 2 K3X/24AG12N0C4V-8
R901395840 FTDRE 2 K3X/24AG24N0C4V-8
R901395842 FTDRE 2 K3X/24AG12N0K40V-8
R901411657 FTDRE 4 K1X/18AG24C4V-8
R901426044 FTDRE 2 K3X/24AG12N0K40M-044
R901451321 FTDRE 4 K1X/18AG12N0C4M-046
R901451364 FTDRE 4 K1X/30AG24N0K40M-046
R901451584 FTDRE 2 P2-4X/30AG12N0K40V-048
R901457835 FTDRE 2 K4X/30AG12N0K40V-050
R901457837 FTDRE 2 K4X/30AG24N0K40V-050
R901457838 FTDRE 2 K4X/30AG12N0C4V-050
R901457839 FTDRE 2 K4X/30AG24N0C4V-050
R901481711 FTDRE 4 K1X/30AG24N0C4M-046
R901484746 FTDRE 4 K1X/30AG12N0K40V-9
R901488688 FTDRE 4 K1X/18AG24N0C4M-046
R901509134 SPARE PART MH FTDRE 4 K1X/30AG2&
R901509313 SPARE PART MH FTDRE 4 K1X/30AG2&
R901509314 SPARE PART MH FTDRE 4 K1X/30AG1&
R901509315 SPARE PART MH FTDRE 4 K1X/30AG1&
R901512232 SPARE PART MH VSL FTDRE 4 K10/V&
R901512233 SPARE PART MH VSL FTDRE 4 K10/V&
R902019904 CONNECTION PLATE FTDRE4K10 50516.0312
R902037934 CONNECTION PLATE +FTDRE4K10
R902037977 ANSTGER.M.RUNDMAGNET 12V U.FTDRE-4K
R902039060 FILTERZWISCHENPLATTE ED 12V, FTDRE4K
R902041593 CONTROL UNIT 12V U.FTDRE-4K &
R902052915 VERSCHLUSSSATZ 4/3WV M.FTDRE 55912.1016
R902062645 DIR.-CONTROL VALVE 4/3WV FTDRE10 L2DS
R902063262 DIR.-CONTROL VALVE 4/3WV FTDRE12 24V&
R902064110 DE2 4/3WV FTDRE 10 HM 42910.
R902064401 DE1 4/3WV FTDRE 10 HM 42910.
R902064424 DE2 4/3WV FTDRE 12 24V 42912.
R902064939 DE4, 24V, 2XFTDRE, NS 51550.
R902066207 DE3,12V,2XFTDRE,NS 51550.1211
R902067383 DIR.-CONTROL VALVE 4/3WV FTDRE10 L4DS
R902068392 DE1 4/3WV FTDRE 12 12V 42912.
R902075502 DE2 4/3WV FTDRE 10 L2DS 42910.
R902076760 DE1 4/3WV FTDRE 12 12V L2DS 42912.
R902090897 DE2 4/3WV FTDRE 12 24V G2DS 42912.24.07
R902094016 DE1 4/3WV FTDRE 12 12V 00 51550.1220
R902600246 PRESSURE RED.VALVE FTDRE4K10/30AG12C4V
R902600250 PRESSURE RED.VALVE FTDRE4K10/30AG24C4V
R902600669 PRESSURE RED.VALVE FTDRE4K10/18AG24C4V
R902601163 PRESSURE RED.VALVE FTDRE2K31/18AG12C4V
R913054445 PROTECTION SLEEVE FTDRE2K3X/
R930070864 BP18061_00-A-VBCN-15-FTDRE4-FC34SAE6000&
R961007179 SEAL KIT FTDRE 2 K3X/.V-4-8-9
R961007180 SEAL KIT FTDRE 2 K3X/.V-01-018
R961011251 SEAL KIT FTDRE 2 K3X/.N SO44
R961012158 SEAL KIT FTDRE 4 K1X/.V-046/0&
R978050321 CBFT DRE 4K-A/S06
R987034617 BLOQUE FTDRE4+PBDB+TN06 HBL-2-1
R987113068 M4-PLUGG M18X1,5 ---- FTDRE2
R987142509 CONTROL MANIFOLD FTDRE4K P-A-T NG6
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-电磁插装阀-电动比例阀-成比例,三位二通方向阀,带电磁驱动
R900245566 FTWE 4 KC1X/210AG12C12V
R900262402 ZUS. MHDBH 25 F1X/ FTWE 2 SAE-AUSF.
R900313333 SEAL KIT FTWE2/FTDRE2-FKM
R900381017 FTWE 6 KC10/150AG12C1V
R900382712 FTWE 6 KC10/150AG24C1V
R900434335 FTWE 6 KC10/150AG12C5V
R900458532 FTWE 6 KC10/150AG24C2V
R900458533 FTWE 6 KC10/150AG12C3V
R900458534 FTWE 6 KC10/150AG24C3V
R900458570 FTWE 6 KC10/150AG12C2V
R900568315 FTWE 4 KC1X/210AG12C4V
R900568316 FTWE 4 KC1X/210AG24C4V
R900578533 FTWE 2 KC3X/100AG12C4V
R900578535 FTWE 2 KC3X/100AG24C4V
R900714277 FTWE 4 KC1X/210AG12K4003V
R900763245 FTWE 2 KC3X/350AG12C4LV-10
R900772014 FTWE 4 KC1X/210AG24K40V
R900822189 DECKEL M8-32-10/1LZZ01 FTWE 2
R900822190 DECKEL M8-32-10/1KZZ01 FTWE 2
R900823787 VALVE SOLENOID FTWE 2-21/C4 24V
R900827287 DECKEL MH6WW 22 G10/01 FTWE 2 K
R900827289 DECKEL MH6WW 22 G10/V01 FTWE 2 K *BG
R900843759 SPULE FTWE 4 -10/C4V 24V +O-RING *BG
R900846072 SEAL KIT FTWE4/FTDRE4-FKM
R900863215 DECKEL SX 14-10/W0A01 FTWE2 + SP18
R900863220 DECKEL SX 14-10/W0AV01+HUB.FTWE2+SP18*BG
R900885578 SEAL KIT FTWE 2 K.-3X/ -1(PUR)
R900897575 VALVE SOLENOID FTWE 2-3X/C4NV 24V*BG
R900940362 FTWE 2 KC3X/210AG12C2P-1
R900940363 FTWE 2 KC3X/210AG24C2P-1
R900964773 FTWE 2 KU3X/100AG12C2V
R901000579 FTWE 2 KC 3X/100AG12K4003V
R901032720 FTWE 2 KC3X/100AG24K40V
R901047304 ZWISCHENPLATTE MO-32-10/4LZZ00 FTWE 4
R901047340 FTWE 2 KC3X/100AG12K40V
R901047861 DECKEL MO-32-10/4KZA00 FTWE 4
R901086174 FTWE 2 KC3X/350AG24K40V-10
R901119907 FTWE 4 KC1X/210AG12K40V
R901361916 FTWE 2 KC3X/100AG24C14LV
R901375511 FTWE 2 KC3X/100AG24N9C4V
R901375513 FTWE 2 KC3X/100AG12N9C4V
R901375514 FTWE 2 KC3X/100AG24N9K40V
R901375515 FTWE 2 KC3X/100AG12N9K40V
R901413723 FTWE 2 KC3X/210AG12K40P-1
液压行走机械发展展望
1.向中型、大型工程机械发展。近年来,随着生产制造工艺和技术的发展,液压元件质量不断提高,液压行走系统已开始应用于中型(功率为100KW左右)推土机、装载机及大型运输车辆。
2.向高速车辆发展。高速条件下,管路的压力损失限制了其在高速车辆的发展。一种采用液压传动系统的小型车辆中 ,将泵和马达做成一体,使泵直接驱动马达,除去了管路压力损失。此小型车耐久性好和可靠性高,为液压传动应用于高速车辆开辟了道路。
3.发展液压储能行走系统。在减速和制动工况进行能量回收用于其它工况,以节省燃油、减少排放,同时又提高车辆的性能。如果在公共汽车这种经常制动、启动的行走系统采用液压驱动,其理论和实际应用价值都是巨大的。
4.发展液压与机械、液力、电力等的复合传动方式,利用各传动方式的优势适应行走机械多功能和个性化的发展趋势。借助电子技术与液压技术的结合, 可以很方便地实现对液压系统的各种调节和控制。而计算机控制的引入和各类传感元件的应用,更扩展了液压元件的工作范围,使车辆在整个工作范围内实现自动化控制,机器的燃料经济性、动力性、作业生产率均达到值。
采用液压驱动可使工程机械易于实现智能化、节能化和环保化,而这已成为当前和未来工程机械的发展趋势。

液压行走系统的组成和形式
工程机械液压行走系统的要求和基本组成
工程机械作业时牵引力和车速的变化范围大,并且负载变化剧烈、频繁、工作条件苛刻、温差大、泥土粉尘多,因而对液压行走系统有如下要求:
(1)高功率密度;
(2)能耐受相对恶劣的工作环境和由于油箱容量限制而出现的高的油温;
(3)泵需具备双向变量的能力,泵和马达均应有可逆性;
(4)使用可靠、耐久、寿命长; 
(5)体积小、结构紧凑、价格低;
(6)噪声振动低。

液压行走机械的基本组成;
定量马达-冲洗溢流阀-真空压力表-邮箱-散热器旁通阀-流量控制阀-控制手柄-双向变量泵-伺服控制阀-油缸-多功能阀-补油泵-补油溢流阀-回路冲洗阀。

液压行走系统的基本型式
根据不同的分类方法,液压行走系统的基本型式主要有以下几种。
1.开式和闭式系统
按油液循环方式的不同,可分为开式系统和闭式系统。
(1)开式系统:系统结构简单,构成灵活,但油箱体积大,油液常与空气接触,工作机构运动不平稳;要在回油路上加背压以提高系统的稳定性;换向过程中会出现液压冲击和能量损失;系统效率低,只是在一些小型车辆 上偶尔采用带有平衡背压的开式回路。
(2)闭式系统:结构紧凑,传动平稳性好。内设补油泵,以补偿系统的泄漏并对油液冷却,同时也为控制机构和某些低压工作的辅助机构提供动力。工作机构的变速和换向通过调节泵或马达的变量机构实现,避免了在开式系统换向过程中所出现的液压冲击和能量损失;系统效率较开式系统高。

2.高速和低速方案
按驱动轮是否直接由液压马达驱动,可分为低速和高速两种方案。
(1)低速方案:低速大扭矩液压马达直接驱动车轮。安装空间小:功率损失小和机械噪声低;降低了驱动轮的转动惯量,有利于提高系统的调节品质和减少冲击负荷。但马达要承受各种径向和轴向载荷。
(2)高速方案:采用高速马达,通过减速器减速来提高输出转矩,利用中间传动环节来分担径向和轴向载荷。通过选择减速比可方便地匹配主机参数,对马达的承载要求相对较低。
对于这两种方案来讲,高速方案应用较多,主要是由于低速大扭矩马达的制造工艺要求较高,难于制造;维修保养要求水平高;成本高。

3.各种液压行走变量系统
按液压泵和马达的调速方式的不同,可分为:
(1)变量泵调速系统:通过调节泵的变量机构,来控制马达的转速和转向。可进行恒功率调速,以适应负载的剧烈变化。此回路的调速范围一般可达40%。
(2)变量马达调速系统,通过改变马达的排量来调速,可恒转矩输出。但此系统不能换向、变速范围小,限制了它的应用。
(3)变量泵-变量马达调速系统, 采用先调泵,再调马达的调速方式,其中马达有两点和比例两种变量形式。此系统调速范围大,是前面两种调速系统的乘积,且其调速特性,对一般机械负载要求很适用,应用广泛。
4.功率分流液压行走系统
功率分流液压行走系统就是把行星差动轮系与液压调速装置组合起来,把发动机输入的功率流分为可无级调速的液压功率流和高效率的机械功率流,然后经汇流行星排把两路汇合起来。此项技术把液压传动的无级调速性和机械传动稳态效率高这两者的优点结合起来,因此不仅具有无级变速性能,又有较高的效率和较宽的高效区。根据小松公司有关资料,液压机械传动与液力机械相比,装载机作业量大可提高30%,燃料经济性大可提高25%。在功率分流传动中,液压系统主要起调速作用,机械系统主要用来传递动力。液压传动一般用在150KW以下的场合,而功率分流液压行走系统通常为40~400KW,如果限定变速范围则有可能达到735KW.这种液压行走系统的总效
率一般可达到90~95%。

变量泵-变量马达调速系统的特性分析
其系统原理。当系统启动或低速时,马达保持大排量,调速由变量泵完成,通过系统压力来改变马达输出转矩,可获得较大的启动转矩;高速时,泵保持大排量不变,调速由变量马达完成,为恒功率调速,能适应负载的波动,充分利用发动机功率。这种调速回路可以适应大部分机械的负载要求,应用广泛。

在变量泵一变量马达调速系统中,泵的变量方式通常都有手动和自动两种
控制方式:。
系统压力210bar、泵和马达全排量时,泵的效率与输入转速的关系曲线。分析可得:当转速小于100rpm时,由于柱塞工作循环时间长,泄漏量大,加之补油泵吸油能力差,泵的容积效率较低。当转速为1000 2000rpm时,由于补油充分且泄漏减小,容积效率随转速增加而平稳上升并终保持某一高值。但当接近额定转速时,容积效率稍有下降。原因是泵内泄漏量的绝对值主要取决于压力,随转速增加得不多,而泵的输出流量在一-定范围内却几乎正比于转速,泄漏量相对于输出流量的比值随转速增加而下降,因此容积效率升高。但是转速过高时,吸油阻力剧增,液压油内所含气体的析出会使实际进入柱塞缸的油量减少,会导致容积效率又趋于下降。
对于机械效率而言,排量、压力一定时,泵的有效输入转矩并不随转速变化,而构成泵轴阻力矩的油液流动损失、运动副间的摩擦损失和各旋转部件的搅油损失等在泵的工况范围内却都是随转速增加而增加,所以转速越高,泵的机械效率越低。

转逮对泵效率的影响
全排量且转速恒定时,随工作压力的增高,由于各密封面间泄漏量的增加,泵的容积效率下降。
系统压力越高,输入转矩中用于克服泵内零件自身运动阻力的部分所占比重就越小,因此泵的机械效率在相当大程度上随压力的增加而上升,压力为280bar左右时,机械效率达95%以上。但当压力上升到-定限度后,由于某些运动副零件受力后变形过大,运动阻力剧增,机械效率将会稍有所下降。
据此,由容积效率和机械效率相乘而得的总效率曲线也就必然呈现一种随压力和转速增加先升高后又降低的趋势。

排量对泵效率的影响
输入转速2200rpm、系统压力420bar 时,泵的效率与排量的关系曲线。可以看出,排量对机械效率的影响较小,而对容积效率和总效率的影响较大,都呈上升趋势。

泵全排量时的效率特性
分析可知,在中速、中低压附近,泵和马达的总效率都达到大值;在中速范围(0.5np~n)和很宽的压力范围(1/6PH -5/6 PH)内, 泵具有90%以上的总效率值;在0.25nz~nH转速范围及1/6Pu (泵额定压力420bar)以上的全部压力范围内(机器的空驶负荷负荷压力一般高于1/6PH,因此1/6PH 以上的压力范围即为机器工作的全部压力范围),具有85%以上的总效率,因此只要转速不低于10%nH,泵就具有85%左右的总效率8。