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发布时间 2022-07-12 14:54:57
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船舶液压系统配件力士乐REXROTH安全阀DBDS6K1X/400溢流阀现货库存船舶液压系统配件力士乐REXROTH安全阀DBDS6K1X/400溢流阀现货库存,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!







力士乐限压阀,直接控制DBD系列

规格 6 … 30

组件系列 1X

大工作压力 630 bar

大流量 350 l/min

用作拧入式插装阀(插件)

用于螺纹连接

用于底板安装

压力调节的调整类型,可选:

-六角套筒和保护帽

-旋钮

-手轮

-可锁定旋钮

防腐蚀设计

DBD 型溢流阀是一种直动式座阀。这些阀用于限制系统压力。

这些阀门主要由下列组件组成:套筒、弹簧、带有衰减柱塞的阀心(压力等级 25 bar … 400 bar)或滚珠(压力等级 630 bar)及调整类型。可使用调整类型 对系统压力进行无级调节。弹簧将阀心或滚珠推到阀座上。通道P连接到系统。系统中存在的压力将作用于阀心表面(或滚珠)。如果通道P中的压力超过弹簧 上设定的值,则阀心或滚珠背向弹簧 打开。此时,液压油从通道P流入通道T。阀心的行程受压花的限制。

为了在整个压力范围内实现良好的压力调节,整个压力范围已被分成了 7 个压力等级。一个压力等级对应于一个特定弹簧可设定的大工作压力。

注意:

调整类型 经过特别建构,可防止其丢失。得益于万向架的设计,调整类型 中的调节元件在完全卸载后会保持松动(可移动)状态。

压力等级“25”:尽管调整类型处于完全卸载状态,但若未确定小压力,则调节元件仍会在较小的弹簧力和/或回复力作用下“回到”停止状态。

在经过压力调节/提升后,可将调节元件再次拧入。





溢流阀的应用场合

1、起稳压和溢流作用(阀口常开)

在定量泵进油或回油节流调速系统中

2、起安全保护作用(阀口常闭)

变量泵液压系统、定量泵旁路节流调速系统和非节流调速系统。

3、起卸荷作用

4、作背压阀使用

5、作吸收换向冲击使用

6、可实现多级调压和远程调压





压力控制阀:

利用节流降压原理,通过作用在阀芯一端的弹簧力与另一端的液压力相平衡而工作的。

溢流阀

溢流阀是通过阀口的溢流,调定系统工作压力或限定其最大工作压力,防止系统过载。

几乎在所有的液压系统中都需要用到它,其性能好坏对整个液压系统的正常工作有很大影响。

按结构形式和基本动作方式分为:直动式溢流阀,先导式溢流阀

直动式溢流阀

直动式溢流阀是依靠系统中的压力油直接作用在阀芯上,与弹簧力等相平衡,以控制阀芯的启闭动作。

压力油从P口进入,经阻尼孔作用在阀芯底部,当作用在阀芯上的液压力大于弹簧力时,阀口打开,使油液溢流。

先导式溢流阀结构

由先导阀和主阀组成。

先导阀实际上是一个小流量直动型溢流阀,其阀芯为锥阀。进口压力值主要由先导阀调压弹簧的预压缩量确定。

主阀芯上有一阻尼孔,且上腔作用面积略大于下腔作用面积,其弹簧只在阀口关闭时起复位作用。

先导式溢流阀工作原理

主阀芯开启是利用液流流经阻尼孔形成的压力差。阻尼孔一般为细长孔,孔径很小币=0.8~1.2mm,孔长1=8~12mm,因此工作时易堵塞,一旦堵塞则导致主阀口常开无法调压。

先导阀前腔有一控制口,用于卸荷和遥控。

溢流阀入口处的压力随阀口溢流量变化而恒定的程度,是衡量溢流阀静特性好坏的重要指标。

实际上,溢流阀工作时开口量是变化的,开口量的变化引起溢流量变化,亦必然引起压力的变化。压力越高,所需弹簧刚度就越大,因而,溢流量变化时压力的变化就越大。

先导式溢流阀的定压精度高,静特性较直动型的好。

当溢流阀的调定压力为p时,直动式的溢流量(损失)较先导式的大,即q直>q先;

当溢流阀的溢流量变化△q 时,直动式的进口压力变化大(定压性差),即△p直>△p先。

调压螺母时,直动式溢流阀的弹簧变形力较大,调压费力,所以直动式溢流阀适用于低压、小流量、且对于压力稳定性要求不高的系统。

先导式溢流阀由先导阀与主阀两部分组成,阀芯另一端作用的压力是由先导阀调节的,而先导阀的承压面积很小,且灵敏度很高,所以其弹簧力也不大,调节省力、灵活。

可见先导式溢流阀适用于高压大流量,对压力稳定性要求较高的系统。

溢流阀的作用

溢流调压:在不断的溢流过程中保持系统压力基本不变。

安全保护:亦称安全阀,用于过载保护。

形成背压:接在回油路上,使系统稳定。

液压系统对溢流阀的性能要求:

定压精度高。

灵敏度要高。如溢流调压时,当液压缸突然停止运动时,溢流阀要迅速开大。否则,定量泵输出的油液将因不能及时排出而使系统压力突然升高,并超过溢流阀的调定压力,使系统中各元件及辅助受力增加,影响其寿命。

工作要平稳,且无振动和噪声。

当阀关闭时,密封要好,泄漏要小。

对于经常开启的溢流阀,主要要求前三项性能;而对于安全阀,则主要要求第二和第四两项性能。其实,溢流阀和安全阀都是同一结构的阀,只不过是在不同要求时有不同的作用而已。



德国力士乐REXROTH溢流阀安全阀订货号和型号:

R900423723 DBDS6K1X/100

R900395620 DBDS6K1X/100SO52

R900759476 DBDS6K1X/100-020

R901030176 DBDS6K1X/100-040

R901189531 DBDS6K1X/100-050

R900723952 DBDS6K1X/100-055

R900988643 DBDS6K1X/100-060

R901298455 DBDS6K1X/100-060V

R901190237 DBDS6K1X/100-065

R900075875 DBDS6K1X/100-070

R900617793 DBDS6K1X/100-075

R900052362 DBDS6K1X/100-080

R901071154 DBDS6K1X/100-090

R900205004 DBDS6K1X/100-100

R901377906 DBDS6K1X/100-50J

R900572408 DBDS6K1X/100B

R900783824 DBDS6K1X/100D

R900769369 DBDS6K1X/100E

R900499541 DBDS6K1X/100J

R901100426 DBDS6K1X/100JD

R901100018 DBDS6K1X/100JE

R900397337 DBDS6K1X/100JV

R901164243 DBDS6K1X/100P050

R900750208 DBDS6K1X/100P060

R900776265 DBDS6K1X/100P065

R901051868 DBDS6K1X/100P065V

R900227275 DBDS6K1X/100P070

R900754664 DBDS6K1X/100P075

R900994677 DBDS6K1X/100P080

R901283031 DBDS6K1X/100P090V

R901158192 DBDS6K1X/100P095

R900226659 DBDS6K1X/100P100

R901380795 DBDS6K1X/100P85

R901421045 DBDS6K1X/100P90SO156

R900441034 DBDS6K1X/100V

R900572409 DBDS6K1X/100VB

R900783825 DBDS6K1X/100VD

R900769278 DBDS6K1X/100VE

R900085920 DBDS6K1X/105B

R901009572 DBDS6K1X/105D

R901009308 DBDS6K1X/105E

R901144698 DBDS6K1X/105VD

R901144597 DBDS6K1X/105VE

R900426904 DBDS6K1X/110B

R900427839 DBDS6K1X/110BSO450

R900785107 DBDS6K1X/110D

R900769397 DBDS6K1X/110E

R901387238 DBDS6K1X/110JD

R900409610 DBDS6K1X/110VB

R900785108 DBDS6K1X/110VD

R900774575 DBDS6K1X/110VE

R900075286 DBDS6K1X/115B

R900572514 DBDS6K1X/120B

R900785109 DBDS6K1X/120D

R901241409 DBDS6K1X/120DSO157

R900769493 DBDS6K1X/120E

R900573127 DBDS6K1X/120VB

R900785110 DBDS6K1X/120VD

R900772382 DBDS6K1X/120VE

R900572515 DBDS6K1X/125B

R900785112 DBDS6K1X/125D

R900769580 DBDS6K1X/125E

R900572516 DBDS6K1X/130B

R900783048 DBDS6K1X/130D

R900777882 DBDS6K1X/130E

R900572517 DBDS6K1X/130VB

R900785113 DBDS6K1X/130VD

R900772542 DBDS6K1X/130VE

R900572518 DBDS6K1X/135B

R901051350 DBDS6K1X/135D

R901051127 DBDS6K1X/135E

R987120638 DBDS6K1X/135ESO60

R901360834 DBDS6K1X/135VD

R901360779 DBDS6K1X/135VE

R900572519 DBDS6K1X/140B

R900785115 DBDS6K1X/140D

R900768629 DBDS6K1X/140E

R900203773 DBDS6K1X/140VB

R900785114 DBDS6K1X/140VD

R900769377 DBDS6K1X/140VE

R900215708 DBDS6K1X/145B

R901183981 DBDS6K1X/145D

R901183888 DBDS6K1X/145E

R900572520 DBDS6K1X/150B

R900785116 DBDS6K1X/150D

R900769382 DBDS6K1X/150E

R900572521 DBDS6K1X/150VB

R900785118 DBDS6K1X/150VD

R900769494 DBDS6K1X/150VE

R900572522 DBDS6K1X/155B

R900785119 DBDS6K1X/155D

R900769554 DBDS6K1X/155E

R900572523 DBDS6K1X/160B

R900785120 DBDS6K1X/160D

R900769609 DBDS6K1X/160E

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R900785121 DBDS6K1X/160VD

R900772543 DBDS6K1X/160VE

R900572525 DBDS6K1X/165B

R901010939 DBDS6K1X/165D

R901010819 DBDS6K1X/165E

R900078068 DBDS6K1X/167B

R900428166 DBDS6K1X/170B

R900785122 DBDS6K1X/170D

R901386796 DBDS6K1X/170DSO157

R900769610 DBDS6K1X/170E

R900785123 DBDS6K1X/170MTD

R900466650 DBDS6K1X/170VB

R900785124 DBDS6K1X/170VD

R900785124 DBDS6K1X/170VD

R900772507 DBDS6K1X/170VE

R900572585 DBDS6K1X/175B

R901082415 DBDS6K1X/175D

R901082081 DBDS6K1X/175E

R900572586 DBDS6K1X/180B

R900785130 DBDS6K1X/180D

R900769603 DBDS6K1X/180E

R900986344 DBDS6K1X/180VB

R900785131 DBDS6K1X/180VD

R900772576 DBDS6K1X/180VE

R900572587 DBDS6K1X/185B

R901008466 DBDS6K1X/185D

R901008379 DBDS6K1X/185E

R900572588 DBDS6K1X/190B

R900785132 DBDS6K1X/190D

R900769564 DBDS6K1X/190E

R901356561 DBDS6K1X/190JD

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R900572589 DBDS6K1X/190VB

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R901009269 DBDS6K1X/190VD

R901009139 DBDS6K1X/190VE

R900572590 DBDS6K1X/195B

R901013483 DBDS6K1X/195D

R901013420 DBDS6K1X/195E

R900423724 DBDS6K1X/200

R987073192 DBDS6K1X/200120BARTS10AQ

R900525305 DBDS6K1X/200SO59

R901259508 DBDS6K1X/200-055

R901192232 DBDS6K1X/200-075

R900729779 DBDS6K1X/200-100

R900729776 DBDS6K1X/200-105

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R900052790 DBDS6K1X/200-135

R900086378 DBDS6K1X/200-140

R900778164 DBDS6K1X/200-145

R900080428 DBDS6K1X/200-150

R901077228 DBDS6K1X/200-155

R900086377 DBDS6K1X/200-160

R900991120 DBDS6K1X/200-160V

R901260778 DBDS6K1X/200-165

R900210572 DBDS6K1X/200-170

R901424413 DBDS6K1X/200-170J

R901140155 DBDS6K1X/200-175

R900079647 DBDS6K1X/200-180

R901409365 DBDS6K1X/200-180SO157

R901405044 DBDS6K1X/200-180V

R900988912 DBDS6K1X/200-190

R901377907 DBDS6K1X/200-195J

R900079173 DBDS6K1X/200-200

R901239428 DBDS6K1X/200-200V

R900572591 DBDS6K1X/200B

R900783826 DBDS6K1X/200D

R900769384 DBDS6K1X/200E

R900446287 DBDS6K1X/200J

R901322702 DBDS6K1X/200JD

R901322625 DBDS6K1X/200JE

R900599479 DBDS6K1X/200JV

R900539431 DBDS6K1X/200MT

R901164247 DBDS6K1X/200P100

R901052139 DBDS6K1X/200P100V

R901167748 DBDS6K1X/200P110

R900089497 DBDS6K1X/200P120

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R900208757 DBDS6K1X/200P130

R900209006 DBDS6K1X/200P130V

R900220969 DBDS6K1X/200P135V

R900205807 DBDS6K1X/200P140

R901039459 DBDS6K1X/200P150

R900053410 DBDS6K1X/200P155

R901036973 DBDS6K1X/200P160

R901288049 DBDS6K1X/200P160V

R901184439 DBDS6K1X/200P165

R901361063 DBDS6K1X/200P175

R901225100 DBDS6K1X/200P180

R901288048 DBDS6K1X/200P180V

R900083103 DBDS6K1X/200P190

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R900987245 DBDS6K1X/200P200

R901268508 DBDS6K1X/200P30

R900744158 DBDS6K1X/200P50

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R901263196 DBDS6K1X/200P80

R900424321 DBDS6K1X/200V

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R900769495 DBDS6K1X/200VE

R900785133 DBDS6K1X/205D

R900776521 DBDS6K1X/205E

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R900785134 DBDS6K1X/210D

R901241408 DBDS6K1X/210DSO157

R900768637 DBDS6K1X/210E

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R901275083 DBDS6K1X/210JD

R901274886 DBDS6K1X/210JE

R900422983 DBDS6K1X/210JVB

R900207136 DBDS6K1X/210MT

R900785135 DBDS6K1X/210MTD

R900443244 DBDS6K1X/210VB

R900785136 DBDS6K1X/210VD

R900768634 DBDS6K1X/210VE

R900572727 DBDS6K1X/215B

R900785137 DBDS6K1X/215D

R900778317 DBDS6K1X/215E

R900216630 DBDS6K1X/217B

R900572728 DBDS6K1X/220B

R900785138 DBDS6K1X/220D

R900769586 DBDS6K1X/220E

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R900728307 DBDS6K1X/220VB

R900785139 DBDS6K1X/220VD

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R900572729 DBDS6K1X/223B

R901006173 DBDS6K1X/225D

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R900035258 DBDS6K1X/227B

R900573137 DBDS6K1X/230B

R900785140 DBDS6K1X/230D

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R901023255 DBDS6K1X/230JD

R901022693 DBDS6K1X/230JE

R900212445 DBDS6K1X/230VB

R900785141 DBDS6K1X/230VD

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R901033192 DBDS6K1X/235D

R901033057 DBDS6K1X/235E

R900572730 DBDS6K1X/240B

R900572730 DBDS6K1X/240B

R900785144 DBDS6K1X/240D

R901241407 DBDS6K1X/240DSO157

R900773244 DBDS6K1X/240E

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R900785146 DBDS6K1X/240VD

R901241406 DBDS6K1X/240VDSO157

R900772567 DBDS6K1X/240VE

R979010159 DBDS6K1X/245

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R900785147 DBDS6K1X/245D

R900769435 DBDS6K1X/245E

R900420245 DBDS6K1X/25

R900075877 DBDS6K1X/25-04

R900230586 DBDS6K1X/25-05

R900075878 DBDS6K1X/25-07

R900052333 DBDS6K1X/25-10

R900214405 DBDS6K1X/25-15

R900206518 DBDS6K1X/25-20

R901117294 DBDS6K1X/25-25

R901280118 DBDS6K1X/25-25V

R900572731 DBDS6K1X/250B

R900785148 DBDS6K1X/250D

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R900773997 DBDS6K1X/265E

R900572734 DBDS6K1X/270B

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R901022787 DBDS6K1X/270E

R900230297 DBDS6K1X/270VB

R900785152 DBDS6K1X/270VD

R900772495 DBDS6K1X/270VE

R900572735 DBDS6K1X/275B

R900785153 DBDS6K1X/275D

R900772343 DBDS6K1X/275E

R901186998 DBDS6K1X/275VD

R901186303 DBDS6K1X/275VE

R900572736 DBDS6K1X/280B

R900785154 DBDS6K1X/280D

R900769574 DBDS6K1X/280E

R901374874 DBDS6K1X/280JD

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升船机的基本组成部分包括:承船厢(或承船架、承船车),用于停放船舶;斜坡道或垂直构架,前者供斜面升船机运行,后者为垂直升船机承船厢的支承和导行设备;连接建筑物,设置在上下游引航道与承船厢的连接处,使船舶自承船厢进入引航道或自引航道进入承船厢;机械传动机构,用于启闭承船厢的厢门和驱动承船厢升降;电气控制系统,用于操纵升船机的运行。





船舶设备系指除船舶备件以外的任何用于船上的可移动但不带消费性质的物品。 主要包括 舵设备、锚设备、系泊设备、拖拽设备、起货设备、救生设备、关闭设备、管系、舾装件、舱底水系统、压载系统、日用水系统、消防设备、通风空调制冷设备等等。



起锚机Windlass  起锚机是船舶上的一种大甲板机械,用来收、放锚和锚链。起锚机通常安装在船舶艉部主甲板上,供舰船起锚,抛锚系缆时用。起锚机通常和绞车配合使用。 起锚机主要由基座、支架、锚链轮、刹车、链轮、变速箱、电控系统(手动起锚机除外)等组成,电动起锚机有电动机,液压起锚机有液压泵站。起锚机是根据船舶的大小和锚和锚链的尺寸来选型。

起锚机按照驱动形式可以分为:手动、电动、液压、气动等。

起锚机按照锚链直径可以分为φ12--φ120mm 等若干种规格。

起锚机按照卷筒分布又可以分为单侧和双侧。

起锚机的主要技术指标包括锚链直径、起锚公称速度、额定载荷、支持负载、几级变速、电制等。  起锚机在船舶上的安装要保证锚链与链轮的包角为117-120度。



船舶必须配置一整套符合规范要求的动力装置和辅助设备后,才能在水上航行.这些动力装置包括有船舶主动力装置、辅助动力装置、蒸汽锅炉、制冷和空调装置、压缩空气装置、船用泵和管路系统、造水装置和自动化系统等.这些机电动力设备主要集中于机舱,专门管理这些设备的技术部门是轮机部.





力士乐REXROTH液压元件应用行业:注塑机、吹塑机、橡胶和发泡机、陶瓷压机、同步折弯机(折板机),、剪板机(剪床)、冲切/步冲、金属压力机、弯曲/锯床、机床、食品机械、皮革/鞋机、木材/造纸机械、钢铁业/铸造、压铸机/挤压机、电厂、生态能源(风能-水力-太阳能)设备、油和天然气工业设备、混凝土泵、路机、钻井/开采设备、起重机、升降机/叉车、推土机、道路,隧道,水坝工程设备、压缩机、街道维修设备、模拟器/娱乐设备、卡车、铁路工程设备、航空工业设备、船舶/航海工业设备、打谷机/喷洒机、拖拉机/收割机。



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