船舶液压系统备件力士乐REXROTH二通插装阀R900912549 LC25DB20E7X/逻辑阀

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发表于 2022-7-19 10:43:21 | 显示全部楼层 |阅读模式

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船舶液压系统备件力士乐REXROTH二通插装阀R900912549 LC25DB20E7X/逻辑阀,上海韦米机电设备有限公司供应产品,销售热线:13524123009,在线QQ:2896079243,传真:021-51334670;联系人:雷青。产品图片实拍,价格货期快速报价,大量产品现货供应,价格优惠;热诚欢迎新老客户咨询下单!

力士乐插装阀

力士乐插装阀

REXROTH插装阀

REXROTH插装阀


力士乐REXROTH二通插装阀,压力控制功能
R900912549 LC25DB20E7X/
R900912543 LC32DB20E7X/
LC..DB(标准)
规格 16 … 100
组件系列 6X, 7X
大流量 7000 l/min
规格 16 … 100
组件系列 6X, 7X
用于压力功能的二通插装阀为先导式座阀或滑阀。设计为插装阀的功率单元安装在按照 DIN ISO 7368 进行标准化的接收孔内,且使用控制盖闭合。
用于手动或电动比例压力调节的先导控制阀作为先导阀集成到控制盖内或安装在控制盖上,其安装尺寸符合 DIN 24 340。
通过将插装阀与控制盖组合,可以实现不同的压力功能。
压力溢流功能
用于压力溢流功能的插装阀(型号 LC .DB...)被设计为无面积差的座阀(在油口 B 处无有效面积)。油口 A 处的有效压力经先导油供油节流孔导入到元件的弹簧侧。在先导控制阀上设定的压力下,阀芯由弹簧力进行压力补偿和闭合。
当达到调定压力时,阀芯开启,且油口 A 处的压力将根据压力-流体特性而受到限制。
减压功能
静止位置闭合
对于具有开启特性的减压功能,将应用一个压力限制插装阀(型号LC..DB40D...)和一个带有减压先导控制阀的控制盖(型号 LFA..DR...)。先导油经供油节流孔和打开的先导控制阀从油口 A 导入到 B 侧。
主阀芯打开,并释放从油口 A 到油口 B 的流量。
当达到调定压力时,阀芯闭合并且油口 B 处的压力将根据压力-流体特性降低。次级受控侧的潜在压力增加经先导控制阀第三路排放至油箱。方向阀的设置将启动执行附加阻塞功能(型号 LFA..DRW...)。
压力顺序功能
此功能启动次级系统基于压力的连接。
所需的切换压力通过集成在控制盖内的先导控制阀进行设置。
先导油供油可通过外部(先导油油口 X)或内部(经先导油油口 X 或 Z2 从油口 A)实现。
先导控制弹簧腔通过卸压经油口 Y 或 Z1 导入到油箱。
油路示例
示例 1: (用于低压系统基于压力卸载的油路)
系统通过高压泵和低压泵供给。系统压力 pS 经先导油油口在外部从高压侧作用在先导控制阀上,其在达到调定压力值后设置卸压油路的低压侧。单向阀 RV(不包括在交付范围内)保护高压系统与现有卸压低压系统的连接。
当达到先导控制弹簧上设定的压力时,将切换先导控制阀,并卸载油箱主阀的弹簧腔。主阀芯打开,并释放 A 至 B 的连接。
在型号 LFA..DZW... 中,可通过电动先导控制阀(不包括在 LFA..DZ... 型控制盖的交付范围内)选择除液压油路之外的所需切换位置。
示例 2: (用于次级系统基于压力的连接的油路)
通过此油路,当系统 1 中的压力未达到指定值之前,不会连接系统 2。先导油排放从主阀油口 A 内部实现。


力士乐REXROTH逻辑单元,压力作用
力士乐REXROTH插装阀
力士乐REXROTH插装阀,压力作用LC..DB
R900484984 LC100DB00E6X/
R900929000 LC100DB120E6X/-118
R901312553 LC100DB20A6X/
R900387976 LC100DB20D6X/
R901282262 LC100DB20D6X/V
R900478037 LC100DB20E6X/
R900426681 LC100DB20E6X/-004
R900588100 LC100DB20E6X/-010
R901262785 LC100DB20E6X/V
R901058545 LC100DB40B6X/
R900523516 LC100DB40D6X/
R900514424 LC100DB40E6X/
R900451163 LC100DB40E6X/
R900536284 LC100DB40E6X/-004
R901322977 LC100DB40E6X/V
R900354673 LC16DB30D6X/-018
R983034465 LC16DB00E7X/IN010
R900394938 LC16DB00A6X/
R900974680 LC16DB00A7X/
R900369961 LC16DB00B6X/
R900369445 LC16DB00D6X/
R900563202 LC16DB00D6X/-004
R900509058 LC16DB00D6X/V
R900565660 LC16DB00D6X/V-004
R900911571 LC16DB00D7X/
R900943287 LC16DB00D7X/V
R900380748 LC16DB00E6X/
R900459088 LC16DB00E6X/-004
R900520384 LC16DB00E6X/V
R900911570 LC16DB00E7X/
R900953987 LC16DB00E7X/V
R900387420 LC16DB03E6X/
R900385086 LC16DB03E6X/A18
R900345382 LC16DB05A6X/
R900972555 LC16DB05A7X/
R901251655 LC16DB05A7X=V=VH
R900350846 LC16DB05B6X/
R900945376 LC16DB05B7X/
R900351682 LC16DB05D6X/
R900366300 LC16DB05D6X/MK
R900355793 LC16DB05D6X/V
R900912545 LC16DB05D7X/
R900373312 LC16DB05E6X/
R900383934 LC16DB05E6X/V
R900912524 LC16DB05E7X/
R900965679 LC16DB05E7X/A18
R901349919 LC16DB05E7X/V
R900920199 LC16DB10D7X/
R900556490 LC16DB10E6X/
R900774985 LC16DB10E7X/
R900358119 LC16DB20A6X/
R900911988 LC16DB20A6X/V
R900911414 LC16DB20A7X/
R900951083 LC16DB20A7X/V
R900351426 LC16DB20B6X/
R900926012 LC16DB20B7X/
R901113709 LC16DB20B7X/V
R900350290 LC16DB20D6X/
R900384173 LC16DB20D6X/-004
R900539494 LC16DB20D6X/-004
R900593170 LC16DB20D6X/-018
R900374580 LC16DB20D6X/MK
R900364147 LC16DB20D6X/V
R900912546 LC16DB20D7X/
R900972471 LC16DB20D7X/V
R900355482 LC16DB20E6X/
R900464409 LC16DB20E6X/-004
R900956641 LC16DB20E6X/-127
R900359447 LC16DB20E6X/V
R900912531 LC16DB20E7X/
R900911407 LC16DB20E7X/A10
R900911409 LC16DB20E7X/A12
R900932074 LC16DB20E7X/V
R901251652 LC16DB20E7X=A06V=VH
R900367407 LC16DB30A6X/
R900927154 LC16DB30A7X/
R901187426 LC16DB30A7X/V
R900332148 LC16DB30B6X/
R900391894 LC16DB30B6X/-010
R900966748 LC16DB30B7X/
R900346799 LC16DB30D6X/
R900440809 LC16DB30D6X/V
R900968836 LC16DB30D7X/
R900332147 LC16DB30E6X/
R900396747 LC16DB30E6X/V
R900924259 LC16DB30E7X/
R901149843 LC16DB30E7X/V
R900365186 LC16DB40A6X/
R900506876 LC16DB40A6X/-004
R900588301 LC16DB40A6X/-008
R900944673 LC16DB40A7X/
R900975039 LC16DB40A7X/V
R900375203 LC16DB40B6X/
R900949934 LC16DB40B7X/
R901190282 LC16DB40B7X/V
R900349237 LC16DB40D6X/
R900384834 LC16DB40D6X/-004
R900382336 LC16DB40D6X/-015
R900431092 LC16DB40D6X/-018
R900425555 LC16DB40D6X/-027
R900365350 LC16DB40D6X/-154
R900369456 LC16DB40D6X/V
R900549594 LC16DB40D6X/V-004
R900912547 LC16DB40D7X/
R900942747 LC16DB40D7X/V
R900701349 LC16DB40D7X/V-004
R900362281 LC16DB40E6X/
R900483828 LC16DB40E6X/-004
R901135382 LC16DB40E6X/-018
R900471668 LC16DB40E6X/-027
R900389354 LC16DB40E6X/V
R900912532 LC16DB40E7X/
R900934009 LC16DB40E7X/V
R901308925 LC16DB50A7X/
R900349776 LC16DB50D6X/
R900249563 LC16DB50D7X/
R900717926 LC16DB50E7X/
R901221217 LC16DB50E7X/V
R901075571 LC16DB80A7X/
R900364545 LC16DB80B6X/
R900969502 LC16DB80B7X/
R900352248 LC16DB80D6X/
R900369144 LC16DB80D6X/V
R900942752 LC16DB80D7X/
R900930559 LC16DB80D7X/V
R900350291 LC16DB80E6X/
R900911567 LC16DB80E7X/
R900359328 LC25DB20B6X/A08
R900472724 LC25DB20B6X/B08
R900359347 LC25DB20B6X/B08
R900389083 LC25DB20D6X/A08
R900384197 LC25DB20D6X/A08
R900345732 LC25DB30A6X/
R900353596 LC25DB30B6X/
R900371224 LC25DB30D6X/
R900385654 LC25DB30D6X/
R900364592 LC25DB30D6X/
R900355407 LC25DB30D6X/
R900363756 LC25DB30D6X/
R900365943 LC25DB30D6X/V
R900364593 LC25DB30E6X/
R900363827 LC25DB30E6X/
R900368663 LC25DB40B6X/A08
R900366645 LC25DB00A6X/
R900946317 LC25DB00A7X/
R900958761 LC25DB00A7X/-010
R900369258 LC25DB00D6X/
R900563203 LC25DB00D6X/-004
R900369446 LC25DB00D6X/V
R900565747 LC25DB00D6X/V-004
R900911573 LC25DB00D7X/
R900933202 LC25DB00D7X/V
R900355983 LC25DB00E6X/
R900587239 LC25DB00E6X/V
R900911572 LC25DB00E7X/
R900929152 LC25DB00E7X/V
R900345438 LC25DB05A6X/
R900369453 LC25DB05A6X/V
R900938169 LC25DB05A7X/
R900354273 LC25DB05D6X/
R900368718 LC25DB05D6X/MK
R900361987 LC25DB05D6X/V
R900912553 LC25DB05D7X/
R900352924 LC25DB05E6X/
R900465017 LC25DB05E6X/-042
R900532477 LC25DB05E6X/A40
R900912548 LC25DB05E7X/
R900972695 LC25DB05E7X/A40
R901202946 LC25DB05E7X/V
R983056755 LC25DB05E7X/VIN010
R901247098 LC25DB05E7X=A08V=VH
R900538061 LC25DB10A6X/
R900519139 LC25DB10A6X/-049
R900755286 LC25DB10A7X/
R900576477 LC25DB10D6X/
R900920354 LC25DB10D7X/
R900535727 LC25DB10E6X/
R900936410 LC25DB10E7X/
R900345374 LC25DB20A6X/
R900519475 LC25DB20A6X/V
R900933726 LC25DB20A7X/
R901009890 LC25DB20A7X/V
R900345433 LC25DB20B6X/
R900580388 LC25DB20B6X/A08
R900389571 LC25DB20B6X/A10
R900935369 LC25DB20B7X/
R900950850 LC25DB20B7X/A10
R900351921 LC25DB20D6X/
R900451009 LC25DB20D6X/-004
R900395785 LC25DB20D6X/-010
R900440278 LC25DB20D6X/-027
R900369957 LC25DB20D6X/-030
R900384700 LC25DB20D6X/A10
R900366206 LC25DB20D6X/V
R900912552 LC25DB20D7X/
R900948402 LC25DB20D7X/A10
R900972938 LC25DB20D7X/V
R900352237 LC25DB20E6X/
R900384518 LC25DB20E6X/-004
R900390239 LC25DB20E6X/-010
R900407300 LC25DB20E6X/-042
R900587037 LC25DB20E6X/-049
R900374582 LC25DB20E6X/MK
R900355358 LC25DB20E6X/V
R900912549 LC25DB20E7X/
R900935962 LC25DB20E7X/V
R901260825 LC25DB20E7X=
R901247100 LC25DB20E7X=A06V=VH
R901395180 LC25DB30A7X/
R900248353 LC25DB30D7X/
R987099270 LC25DB30D7X/V
R900368109 LC25DB40A6X/
R900555596 LC25DB40A6X/-004
R900905304 LC25DB40A7X/
R983041861 LC25DB40A7X/IN010
R901181913 LC25DB40A7X/V
R900347653 LC25DB40B6X/
R900904391 LC25DB40B6X/-004
R900392244 LC25DB40B6X/A10
R900962521 LC25DB40B7X/
R900346705 LC25DB40D6X/
R900371883 LC25DB40D6X/-004
R900471669 LC25DB40D6X/-015
R900588640 LC25DB40D6X/-018
R900422193 LC25DB40D6X/-027
R900576043 LC25DB40D6X/=LB
R900347832 LC25DB40D6X/V
R900924539 LC25DB40D6X/V-004
R900912555 LC25DB40D7X/
R900936260 LC25DB40D7X/-018
R900938804 LC25DB40D7X/A10
R900966463 LC25DB40D7X/V
R900353614 LC25DB40E6X/
R900382388 LC25DB40E6X/-004
R900536589 LC25DB40E6X/-018
R900424943 LC25DB40E6X/-042
R900596074 LC25DB40E6X/-049
R900386524 LC25DB40E6X/A10
R900355505 LC25DB40E6X/V
R900912550 LC25DB40E7X/
R987119915 LC25DB40E7X/OPTIMIERTEAUSFüHRUNG
R901418184 LC25DB40E7X/450V-146
R900928560 LC25DB40E7X/V
R901115211 LC25DB50A7X/
R900945802 LC25DB50D7X/
R900512802 LC25DB50E6X/
R900440291 LC25DB50E6X/V
R900975140 LC25DB50E7X/
R901336445 LC25DB50E7X/V
R900249024 LC25DB80A7X/
R901109359 LC25DB80B7X/
R900359249 LC25DB80D6X/
R901014656 LC25DB80D7X/
R900356924 LC25DB80E6X/
R900560611 LC25DB80E6X/-054
R900561023 LC25DB80E6X/V-054
R900933141 LC25DB80E7X/
R901247794 LC25DB80E7X/V
R900406667 LC32DB00A6X/
R901111937 LC32DB00A7X/
R900370752 LC32DB00D6X/
R900904925 LC32DB00D6X/-004
R900511071 LC32DB00D6X/V
R900565661 LC32DB00D6X/V-004
R900932338 LC32DB00D7X/
R900370754 LC32DB00E6X/
R900384516 LC32DB00E6X/-004
R900520382 LC32DB00E6X/V
R900932339 LC32DB00E7X/
R983034463 LC32DB00E7X/IN010
R978016666 LC32DB00E7X/V
R987117893 LC32DB00E7X/V
R901026767 LC32DB02E7X/
R900355027 LC32DB05A6X/
R900355046 LC32DB05A6X/
R900950751 LC32DB05A7X/
R900355727 LC32DB05D6X/
R900366217 LC32DB05D6X/V
R900912554 LC32DB05D7X/
R901184323 LC32DB05D7X/V
R900374111 LC32DB05E6X/
R900465033 LC32DB05E6X/-042
R900533483 LC32DB05E6X/V
R900912551 LC32DB05E7X/
R983071806 LC32DB05E7X/IN010
R900538075 LC32DB10A6X/
R900958823 LC32DB10A7X/
R900465822 LC32DB10D6X/
R901019957 LC32DB10D7X/
R900384698 LC32DB10E6X/
R900958822 LC32DB10E7X/
R901270911 LC32DB10E7X/V
R900345442 LC32DB20A6X/
R900386393 LC32DB20A6X/B08
R900933535 LC32DB20A7X/
R983034444 LC32DB20A7X/IN010
R901053025 LC32DB20A7X/V
R900347393 LC32DB20B6X/
R900382403 LC32DB20B6X/B08
R900967623 LC32DB20B7X/
R900348591 LC32DB20D6X/
R900539496 LC32DB20D6X/-004
R900528355 LC32DB20D6X/-010
R900366599 LC32DB20D6X/-030
R900374583 LC32DB20D6X/MK
R900365718 LC32DB20D6X/V
R900912556 LC32DB20D7X/
R900940130 LC32DB20D7X/V
R900345698 LC32DB20E6X/
R900383836 LC32DB20E6X/-004
R900393392 LC32DB20E6X/-042
R900595035 LC32DB20E6X/-049
R900390683 LC32DB20E6X/-200
R900529424 LC32DB20E6X/MK
R900355359 LC32DB20E6X/V
R900912543 LC32DB20E7X/
R900934507 LC32DB20E7X/V
R901320402 LC32DB20E7X=/AF-180
R901290727 LC32DB20E7X=A06V=VH
R900372406 LC32DB30A6X/
R901019859 LC32DB30A7X/
R900346509 LC32DB30D6X/
R900346555 LC32DB30D6X/
R900362818 LC32DB30D6X/
R901091208 LC32DB30D7X/
R900391363 LC32DB30E6X/
R900353182 LC32DB30E6X/
R900356101 LC32DB30E6X/
R900362674 LC32DB30E6X/
R900365719 LC32DB30E6X/V
R900363901 LC32DB40A6X/
R900520308 LC32DB40A6X/V
R900905305 LC32DB40A7X/
R983060456 LC32DB40A7X/IN010
R900347655 LC32DB40B6X/
R900359454 LC32DB40B6X/B08
R900918873 LC32DB40B6X/V
R900748804 LC32DB40B7X/
R901004979 LC32DB40B7X/V
R900355441 LC32DB40D6X/
R900374280 LC32DB40D6X/-004
R900936755 LC32DB40D6X/-018
R900355355 LC32DB40D6X/-026
R900529385 LC32DB40D6X/-027
R900366682 LC32DB40D6X/V
R900573626 LC32DB40D6X/V-004
R900472367 LC32DB40D6X/V-018
R900558007 LC32DB40D6X/V-026
R900592575 LC32DB40D6X/V-068
R900912557 LC32DB40D7X/
R983034439 LC32DB40D7X/IN010
R900936261 LC32DB40D7X/-018
R900959460 LC32DB40D7X/V
R900351712 LC32DB40E6X/
R900388611 LC32DB40E6X/-004
R900439675 LC32DB40E6X/-044
R900412005 LC32DB40E6X/-048
R900551884 LC32DB40E6X/-049
R900516336 LC32DB40E6X/A06
R900585453 LC32DB40E6X/A06-056
R900515970 LC32DB40E6X/A07
R900510270 LC32DB40E6X/MK
R900355506 LC32DB40E6X/V
R900914254 LC32DB40E6X/V-004
R900910773 LC32DB40E7X/
R983044702 LC32DB40E7X/IN010
R901409719 LC32DB40E7X/450
R901394401 LC32DB40E7X/450-004
R901435471 LC32DB40E7X/450-146
R900976292 LC32DB40E7X/A06
R901224815 LC32DB40E7X/A08
R901277169 LC32DB40E7X/A08-010
R900929931 LC32DB40E7X/V
R901099076 LC32DB50A7X/
R900365673 LC32DB50D6X/
R978007661 LC32DB50D7X/
R901079561 LC32DB50D7X/V
R900366422 LC32DB50E6X/
R900947666 LC32DB50E7X/
R901145164 LC32DB50E7X/V
R900947992 LC32DB80A7X/
R901281267 LC32DB80A7X/V
R900369964 LC32DB80D6X/
R900720775 LC32DB80D7X/
R900365126 LC32DB80E6X/
R900553609 LC32DB80E6X/V
R900950272 LC32DB80E7X/
R900979460 LC32DB80E7X/V
R900359134 LC40DB30B6X/
R900347627 LC40DB30D6X/
R900359135 LC40DB30D6X/
R900363522 LC40DB30D6X/
R900365428 LC40DB30D6X/V
R900395024 LC40DB30E6X/
R900391364 LC40DB30E6X/
R900356936 LC40DB30E6X/
R900359531 LC40DB30E6X/
R900368662 LC40DB40B6X/A08
R900359326 LC40DB40B6X/A08
R900568742 LC40DB00A6X/
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二通插装阀是一种较新型的液压控制元件,
它适用于高压大流量的液压系统中,与普通液阀相比,它有以下优点:
(1)结构简单、紧凑、工艺性好,流动流阻小;(2)通流能力大,适用于大流量场合;(3)阀芯动作灵敏,响应快;(4)密封性能好,泄漏少;(5)工作可靠,抗污染能力强,寿命长;(6)适用于各种液压介质:如液压油、乳化液、水质;(7)便于实现集成化,能高度集成,适于与数字元件、比例元件及计算机组合使用,实现自动控制;(8)便于实现标准化、系统化、通用化。
由于二通插装阀具有独特的优点,因此它被广泛应用于重型机械、锻压机械、塑料机械、冶金机械、船舶、工程机械、矿山机械等领域。

基本结构
二通插装阀与普通液压阀的功能相同,都是用来控制液压系统工作介质的压力、流量和流动方向的。二通插装阀由插入元件、先导元件、控制盖板和插装块体四部分组成。插入元件主要由阀芯、阀套、弹簧和密封件组成,图1为其示意图。控制盖板上,根据插装阀的不同控制功能,安装有相应的先导控制级元件,以实现对液压系统压力、流量和方向的控制,插装块体则既是嵌入插入元件及安装控制盖板的基础阀体,又是主油路和控制油路的通道体。
二通插装阀通过不同的盖板和各种先导阀(一般为滑阀)组合,即可构成方向控制阀、压力控制阀和流量控制阀。
二通插装阀液压系统实例分析
二通插装阀以其独特的优点以及经济和技术上的明显优势被广泛应用到各个行业。在集成的液压元件中,当通径小于32mm时,可采用叠加
阀,当通径大于中32mm时,应考虑采用插装阀。在一个液压系统中,可根据需要,液压控制阀全部采用二通插装阀;也可以部分液压控制阀采用滑阀式,另一部分液压控制阀采用二通插装阀,充分发挥两种液压控制阀各自的优点。
压力机械属于重型机械,主要应用于冶金行业.重型机械制造、化工等行业,如冲压机、锻造机、剪切机、粉末制品压力机、挤压机等。压力机械的动力及控制部分多数采用液压传动,由于液压系统所需的压力高、流量大,故适于用二通插装阀来控制液压系统的压力、流量和流动方向。

使用二通插装阀的粉末制品液压机液压系统分析
控制上液压缸的液压阀采用了二通插装阀,
控制下液压缸的液压阀采用了滑阀。粉末制品液压机与普通液压机有所不同,下缸装有控制活塞高位置的限程机构,调节限程机构,可控制模具中的装料量。下缸带有中心缸,以满足不同制品的工艺要求。
由于主机各液压缸的大小和速度相差较大,所需流量也有较大差别,液压系统采用压力补偿轴向柱塞变量泵,可以根据负载的大小,自动变换泵输出的流量,以适应不同工作状态压力和流量的不同要求。液压控制阀采用了二通插装阀与滑阀混合使用,以发挥两种控制阀各自的优点。在液压系统中,上缸液压系统需要大流量,使用了二通插装阀,下缸液压系统需要小流量,使用滑阀,以降低成本。

使用二通插装阀的液压机液压系统分析
液压机液压系统因其压力高,流量大,液压控制阀适于采用二通插装阀,YA液压机液压系统原理,液压系统的液压控制阀全部采用二通插装阀。系统采用双泵供油,泵1为低压大流量泵,用于上缸和下缸的快速行程;泵2为高压小流量泵,用于系统实现压制及保压。液压系统控制部分包括七个集成块。泵1的调压、安全、卸荷及防止油液倒流由集成块②控制,泵2的调压、安全、卸荷由集成块①控制;上缸运动由集成块⑤和⑥控制;下缸运:动由集成块③和④控制;送料缸由集成块⑦控制。
由于液压系统控制阀除送料缸液压系统外,其余部分采用了二通插装阀;集成块,使液压系统结构紧凑、简单,便于安装、调试和维护。系统的工作性能得以改善:速度快、稳定性好、响应快、精度高,系统配以计算机控制,可方便地实现自动控制。

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