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上海韦米机电设备有限公司

第二年
联系方式
联系人: 何洋
电  话: 13524125780
传  真: 021-51334670
手  机: 13524125780
网  址: http://www.wei-mi.com/
产品详情

DB10-2-52/200

DB10-2-52/200

  

产地:德国

规格:DB10-2-52/200

公司所在地:上海上海

电话:13524125780 ,13524125780

1875691081    
详细信息

DB10-2-52/200

DB10-2-52/200是上海韦米机电设备有限公司的【重点优势产品】之一,联系电话T:021-61116812,手机13524125780(微信),联系人何洋

的详细信息

DB10-2-52/200力士乐溢流阀 博世力士乐REXROTH溢流阀 力士乐自动式溢流阀 力士乐先导式溢流阀 力士乐特价现货 上海韦米专业提供 正品保证
电话TEL: 021-61116812 传真FAX: 021-51334670
商务QQ/MSN:1875691081 联系人:何洋 手机13524125780(微信)
网址Web:http://www.wei-mi.com
电邮EMAIL:1875691081@qq.com
地址ADD:上海市浦东新区金豫路100号禹洲金桥国际2期2号楼907室
邮编ZIP : 201206 公司名:上海韦米机电设备有限公司
DB10-2-52/200力士乐溢流阀
特点:
-该阀用于控制液流的开启、停止和方向。
-电一液操作(WEH)
液压操作(WH)
-底板安装
安装面按DIN 24340 A型,
IS0 4401和CETOP—RP 121 H,
底板见样本活页
RE 45054至RE 45060(单独订货)
见第18至22页。
-弹簧或压力对中
弹簧或压力偏置
-湿式直流和交流电磁铁,可选择
-虚急手动操作,可选择
-单个或集中电器连接(见RC 23 177或RC 23 178)
-切换时间调节,可选择
-主阀P口预压阀,可选择。
-辅助元件按样本活页RC 24 830
·主阀芯行程限位,可选择
力士乐溢流阀上海韦米专供型号现货产品
DB10-2-52/200力士乐溢流阀
REXROTH溢流阀订货号型号R900470299 DB20K2-1X/350XY
REXROTH溢流阀订货号型号R900493939 DB20K2-1X/315XY
REXROTH溢流阀订货号型号R900497224 DB20K2-1X/315Y
REXROTH溢流阀订货号型号R900499886 DB20K2-1X/350YV
REXROTH溢流阀订货号型号R900500218 DB20-2-5X/200XY
REXROTH溢流阀订货号型号R900502117 DB20-1-5X/200
REXROTH溢流阀订货号型号R900502649 DB10-2-5X/200V
REXROTH溢流阀订货号型号R900503083 DB10-3-5X/50
REXROTH溢流阀订货号型号R900503515 DB30-1-5X/200
REXROTH溢流阀订货号型号R900503664 DB10-3-5X/50YU
REXROTH溢流阀订货号型号R900504902 DB30-2-5X/350
REXROTH溢流阀订货号型号R900505052 DB10-1-5X/200
REXROTH溢流阀订货号型号R900505883 DB10-2-5X/315V
REXROTH溢流阀订货号型号R900507009 DB20-1-5X/350
REXROTH溢流阀订货号型号R900511013 DB10K1-4X/100Y
REXROTH溢流阀订货号型号R900513186 DB20-2-5X/100YUV
REXROTH溢流阀订货号型号R900513667 DB20-2-5X/200V
REXROTH溢流阀订货号型号R900516200 DB20-2-5X/100UV
REXROTH溢流阀订货号型号R900519775 DB20-2-5X/200U
REXROTH溢流阀订货号型号R900521784 DB30-7-5X/100
REXROTH溢流阀订货号型号R900522296 DB20-3-5X/200X
REXROTH溢流阀订货号型号R900528354 DB10-1-4X/200XW65
REXROTH溢流阀订货号型号R900528963 DB20-1-5X/50
REXROTH溢流阀订货号型号R900529359 DBDS4K1X/100V
REXROTH溢流阀订货号型号R900536812 DBEME10-5X/315YG24K31M
REXROTH溢流阀订货号型号R900536813 DBEME20-5X/315YG24K31M
REXROTH溢流阀订货号型号R900546617 DBET-5X/315G24K4M
REXROTH溢流阀订货号型号R900546986 DBEE6-1X/315G24K31M
REXROTH溢流阀订货号型号R900547401 DBEM10-5X/315YG24K4M
REXROTH溢流阀订货号型号R900550746 DBW20B2-5X/100U6EG24N9K4
REXROTH溢流阀订货号型号R900551840 DBE6-1X/315G24K4M
REXROTH溢流阀订货号型号R900552114 DBEM30-3X/315YG24K4M
REXROTH溢流阀订货号型号R900569498 DB30-1-5X/100U
REXROTH溢流阀订货号型号R900571796 DB30-2-5X/200V
REXROTH溢流阀订货号型号R900587346 DB20-1-5X/315
REXROTH溢流阀订货号型号R900587347 DB20-2-5X/315X
REXROTH溢流阀订货号型号R900587772 DB10-2-5X/200
REXROTH溢流阀订货号型号R900588131 DB30-2-5X/200
REXROTH溢流阀订货号型号R900589433 DB20-2-5X/100
REXROTH溢流阀订货号型号R900589603 DB20-1-5X/100
REXROTH溢流阀订货号型号R900590328 DB20G2-5X/50
REXROTH溢流阀订货号型号R900590330 DB30-2-5X/100U
REXROTH溢流阀订货号型号R900590334 DB10-2-5X/315
REXROTH溢流阀订货号型号R900590618 DB20-2-5X/350
REXROTH溢流阀订货号型号R900590645 DB10-2-5X/50
REXROTH溢流阀订货号型号R900590646 DB10-2-5X/100
REXROTH溢流阀订货号型号R900590768 DB20-2-5X/200
REXROTH溢流阀订货号型号R900591126 DB10-2-5X/315X
REXROTH溢流阀订货号型号R900591128 DB30-2-5X/315
REXROTH溢流阀订货号型号R900591150 DB30-2-5X/315X
REXROTH溢流阀订货号型号R900591404 DB20-2-5X/315V
REXROTH溢流阀订货号型号R900593404 DB10-2-4X/100W65
REXROTH溢流阀订货号型号R900593530 DB20-2-5X/315
REXROTH溢流阀订货号型号R900593564 DB30-2-5X/50
REXROTH溢流阀订货号型号R900593794 DB10-1-5X/350
REXROTH溢流阀订货号型号R900593795 DB30-1-5X/315
REXROTH溢流阀订货号型号R900593839 DB10-2-5X/100U
REXROTH溢流阀订货号型号R900593840 DB10-2-5X/315U
REXROTH溢流阀订货号型号R900594111 DB10K1-4X/100YV
REXROTH溢流阀订货号型号R900594511 DB20-2-5X/315Y
REXROTH溢流阀订货号型号R900594773 DB10-3-5X/200
REXROTH溢流阀订货号型号R900595355 DB30-2-5X/315V
REXROTH溢流阀订货号型号R900595739 DB10-2-5X/100Y
REXROTH溢流阀订货号型号R900595893 DB20-2-5X/200X
REXROTH溢流阀订货号型号R900596259 DBC2-5X/315
REXROTH溢流阀订货号型号R900596319 DB30-1-5X/100
REXROTH溢流阀订货号型号R900596527 DB30-2-5X/200Y
REXROTH溢流阀订货号型号R900596528 DB20-2-5X/200Y
REXROTH溢流阀订货号型号R900596563 DB10-3-5X/100
REXROTH溢流阀订货号型号R900596738 DB10-2-5X/100XY
REXROTH溢流阀订货号型号R900596768 DB20-2-5X/315XY
REXROTH溢流阀订货号型号R900596930 DB10-2-5X/100X
REXROTH溢流阀订货号型号R900597212 DB20-2-5X/50
REXROTH溢流阀订货号型号R900597313 DB10-2-5X/315Y
REXROTH溢流阀订货号型号R900597421 DB20-2-5X/100Y
REXROTH溢流阀订货号型号R900597664 DB10-1-5X/100
REXROTH溢流阀订货号型号R900597665 DB10-1-5X/50
REXROTH溢流阀订货号型号R900597992 DB10-2-5X/350
REXROTH溢流阀订货号型号R900598998 DB10-1-5X/315
REXROTH溢流阀订货号型号R900599380 DB10-2-5X/200Y
REXROTH溢流阀订货号型号R900599564 DB20-1-5X/315X
REXROTH溢流阀订货号型号R900617101 DBWC10B2-5X/315-6EW230N9K4
REXROTH溢流阀订货号型号R900700170 DBW10A2-5X/315-6EG24N9K4SO160
REXROTH溢流阀订货号型号R900700833 DB30-2N5X/50
REXROTH溢流阀订货号型号R900702667 DB30-2-5X/315XY

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,溢流阀是利用被控压力作为信号来改变弹簧的压缩量,从而改变阀口的通流面积和系统的溢流量来达到定压目的的。当系统压力升高时,阀芯上升,阀口通流面积增加,溢流量增大,进而使系统压力下降。溢流阀内部通过阀芯的平衡和运动构成的这种负反馈作用是其定压作用的基本原理,也是所有定压阀的基本工作原理。

德国博世bosch rexroth力士乐溢流阀

Rexroth Rexroth-DB 10 G2-4X/100XUV W65--溢流阀
溢流阀
DB 10 G2-4X/100XUV W65




描述


产品类型 DB 溢流阀
直动式
通径 10 通径 10,
Qmax = 约 200 L/min
Pmax = 350 bar
接口 G 用于螺纹连接
调整元件 2 六角头套筒
和防护罩
系列 4X 系列 40 至 49,
安装和连接尺寸不变
设定压力 100 设定压力
至 100 bar
控制油供应 X 外部控制油进油,
内部控制油回油
开启压力 U 阀用于
最小
开启压力
密封 V 氟橡胶密封适用于
矿物油(HL,HLP) 按 DIN 51524,
HETG (菜籽油),
HEPG (聚乙二醇)
HEES (合成脂)
生物快速降解油液
按 VDMA 24568
安装位置 W65 竖直安装的
插装件
设备规范 没有样机试验

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0811402017 力士乐溢流阀DBETX-1X/180G24-8NZ4M
0811402018 力士乐溢流阀DBETX-1X/80G24-8NZ4M
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0811402071 力士乐溢流阀DBETBEX-1X/180G24K31A1M
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R900058358 力士乐溢流阀DBDS10K1X/315-220
R900077572 力士乐溢流阀DB20K7-1X/315XY
R900203851 力士乐溢流阀DBDS2K2X/100
R900203852 力士乐溢流阀DBDS2K2X/200
R900219731 力士乐溢流阀DBDS10K1X/630VSO151
R900334966 力士乐溢流阀DBETR-1X/80G24K4M
R900339705 力士乐溢流阀DBDS10K1X/315SO60
R900345792 力士乐溢流阀DB20K2-1X/200XYSO31
R900370146 力士乐溢流阀DBETR-1X/230G24K4M
R900372794 力士乐溢流阀DB10-1-4X/200W65
R900373651 力士乐溢流阀DB20-1-4X/200W65
R900382707 力士乐溢流阀DB20K3-1X/315Y
R900387353 力士乐溢流阀DBDA15G1X/50V
R900389364 力士乐溢流阀DB20-1-4X/350W65
R900398663 力士乐溢流阀DB82F2-3X/100U
R900402543 力士乐溢流阀DBDS10K1X/200SO52
R900407389 力士乐溢流阀DB10-1-4X/200UW65
R900412191 力士乐溢流阀DB20K1-1X/200Y
R900420276 力士乐溢流阀DBDS10K1X/25
R900422247 力士乐溢流阀DB10-1-4X/50UW65
R900422542 力士乐溢流阀DBDS20K1X/25
R900422543 力士乐溢流阀DBDS30K1X/25
R900423714 力士乐溢流阀DBDS30P1X/200
R900423715 力士乐溢流阀DBDS30P1X/315
R900423719 力士乐溢流阀DBDS6G1X/200
R900423722 力士乐溢流阀DBDS6G1X/50
R900423723 力士乐溢流阀DBDS6K1X/100
R900423724 力士乐溢流阀DBDS6K1X/200
R900423725 力士乐溢流阀DBDS6K1X/315
R900423726 力士乐溢流阀DBDS6K1X/400
R900423727 力士乐溢流阀DBDS6K1X/50
R900423728 力士乐溢流阀DBDS6P1X/100
R900423729 力士乐溢流阀DBDS6P1X/200
R900423730 力士乐溢流阀DBDS6P1X/315
R900423732 力士乐溢流阀DBDS6P1X/50
R900423735 力士乐溢流阀DBDS8G1X/315
R900423743 力士乐溢流阀DBDS10G1X/25
R900423766 力士乐溢流阀DBD.10G1X/...
R900424082 力士乐溢流阀DBDS20K1X/315V
R900424109 力士乐溢流阀DBDH20K1X/100
R900424140 力士乐溢流阀DBDS10G1X/200
R900424147 力士乐溢流阀DBDS10K1X/100
R900424148 力士乐溢流阀DBDS10K1X/100V
R900424149 力士乐溢流阀DBDS10K1X/200
R900424150 力士乐溢流阀DBDS10K1X/315
R900424151 力士乐溢流阀DBDS10K1X/315V
R900424152 力士乐溢流阀DBDS10K1X/400
R900424153 力士乐溢流阀DBDS10K1X/50
R900424155 力士乐溢流阀DBDS10P1X/100
R900424157 力士乐溢流阀DBDS10P1X/200
R900424158 力士乐溢流阀DBDS10P1X/315
R900424159 力士乐溢流阀DBDS10P1X/315V
R900424163 力士乐溢流阀DBDS15G1X/200
R900424165 力士乐溢流阀DBDS15G1X/315
R900424171 力士乐溢流阀DBDS20G1X/100V
R900424172 力士乐溢流阀DBDS20G1X/200
R900424174 力士乐溢流阀DBDS20G1X/315
R900424179 力士乐溢流阀DBDH10G1X/400
R900424183 力士乐溢流阀DBDH10K1X/315
R900424186 力士乐溢流阀DBDH10P1X/200
R900424187 力士乐溢流阀DBDH10P1X/315
R900424189 力士乐溢流阀DBDH10G1X/315
R900424190 力士乐溢流阀DBDH10K1X/200
R900424196 力士乐溢流阀DBDH6G1X/200
R900424199 力士乐溢流阀DBDH6K1X/100
R900424200 力士乐溢流阀DBDH6K1X/200
R900424201 力士乐溢流阀DBDH6K1X/315
R900424203 力士乐溢流阀DBDS20K1X/400
R900424205 力士乐溢流阀DBDS20K1X/50
R900424260 力士乐溢流阀DBDS30G1X/200V
R900424261 力士乐溢流阀DBDS30G1X/315
R900424262 力士乐溢流阀DBDS30G1X/50
R900424264 力士乐溢流阀DBDS25G1X/200
R900424266 力士乐溢流阀DBDH6P1X/315
R900424267 力士乐溢流阀DBDS20K1X/100
R900424269 力士乐溢流阀DBDS20K1X/200
R900424270 力士乐溢流阀DBDS20K1X/200V
R900424271 力士乐溢流阀DBDS20K1X/315
R900424272 力士乐溢流阀DBDS20P1X/50
R900424274 力士乐溢流阀DBDS20P1X/100
R900424277 力士乐溢流阀DBDS20P1X/200
R900424278 力士乐溢流阀DBDS20P1X/315
R900424279 力士乐溢流阀DBDS20P1X/400
R900424281 力士乐溢流阀DBDS30G1X/200
R900424282 力士乐溢流阀DBDS30K1X/50
R900424283 力士乐溢流阀DBDS30K1X/315V
R900424284 力士乐溢流阀DBDS30K1X/100
R900424286 力士乐溢流阀DBDS30K1X/200
R900424288 力士乐溢流阀DBDS30K1X/315
R900424321 力士乐溢流阀DBDS6K1X/200V
R900424348 力士乐溢流阀DBDH6G1X/400
R900424734 力士乐溢流阀DBDH6K1X/50
R900424738 力士乐溢流阀DBDS10G1X/100
R900424742 力士乐溢流阀DBDS10G1X/315
R900424744 力士乐溢流阀DBDS10G1X/400
R900424745 力士乐溢流阀DBDS10G1X/50
R900425084 力士乐溢流阀DBDA6P1X/100
R900425646 力士乐溢流阀DB20K1-1X/50XYU
R900425660 力士乐溢流阀DBDS10P1X/400
R900425661 力士乐溢流阀DBDS10P1X/50
R900426477 力士乐溢流阀DBDA6G1X/200
R900426901 力士乐溢流阀DBDH10P1X/100
R900426905 力士乐溢流阀DBDS10P1X/25
R900427242 力士乐溢流阀DBDH6P1X/200
R900427243 力士乐溢流阀DBDS30G1X/25
R900427600 力士乐溢流阀DBDH6K1X/25
R900427940 力士乐溢流阀DBDS10K1X/200V
R900428385 力士乐溢流阀DBDH6P1X/50
R900428388 力士乐溢流阀DBDS6K1X/315V
R900429168 力士乐溢流阀DBDS30P1X/315V
R900429414 力士乐溢流阀DBDS6P1X/25
R900429711 力士乐溢流阀DBDS30P1X/25
R900430311 力士乐溢流阀DBDS20P1X/25
R900430459 力士乐溢流阀DBDA6P1X/200
R900434128 力士乐溢流阀DBDH6P1X/400
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R900437810 力士乐溢流阀DBDS20P1X/315V
R900438025 力士乐溢流阀DB6K1-4X/50YV
R900438122 力士乐溢流阀DB10K1-4X/315YV
R900438123 力士乐溢流阀DB10K2-4X/200YV
R900438939 力士乐溢流阀DBDS6K1X/400V
R900439247 力士乐溢流阀DBDH25G1X/50
R900443139 力士乐溢流阀DB20-1-4X/100W65
R900452120 力士乐溢流阀DB10-1-4X/50XUW65
R900458607 力士乐溢流阀DB10-1-4X/315W65
R900462393 力士乐溢流阀DBDS10K1X/25V
R900469425 力士乐溢流阀DB10-1-4X/200XUW65
R900469426 力士乐溢流阀DB20-1-4X/200XUW65
R900470299 力士乐溢流阀DB20K2-1X/350XY
R900493939 力士乐溢流阀DB20K2-1X/315XY
R900497224 力士乐溢流阀DB20K2-1X/315Y
R900499886 力士乐溢流阀DB20K2-1X/350YV
R900500218 力士乐溢流阀DB20-2-5X/200XY
R900502117 力士乐溢流阀DB20-1-5X/200
R900502649 力士乐溢流阀DB10-2-5X/200V
R900503083 力士乐溢流阀DB10-3-5X/50
R900503515 力士乐溢流阀DB30-1-5X/200

先导式比例溢流阀
  比例溢流阀的压力等级要与系统所需要的压力相适应,以确保较好的分辨率。 系统需要调节的最高压力是180bar,则比例溢流阀的压力等级应该是210左右 .不应该是315bar等太高的等级。原则是尽量使比例溢流阀的最高控制压力略大于系统所需要的最高压力。
  先使系统安全阀全开,比例溢流阀输入电流为零,再起泵。然后保持安全阀为零,给比例阀输入最大电流 .慢慢调节手调安全阀的手柄,使系统压力逐步上升,将比例阀输入电流降下来,直到系统需要的最高压力,记录对应当输入电流数值。这就是系统要求的最高压力说对应的电流,如果用计算机控制或用信号发生器输入,将这个电流最为输入电流的限制值。

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DB10-2-52/200力士乐溢流阀
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溢流阀的常见故障原因分析及排除方法溢流阀在使用中,常见的故障有噪声、振动、阀芯径向卡紧和调压失灵等。  (一)噪声和振动  液压装置中容易产生噪声的元件一般认为是泵和阀,阀中又以溢流阀和电磁换向阀等为主。产生噪声的因素很多。溢流阀的噪声有流速声和机械声二种。流速声中主要由油液振动、空穴以及液压冲击等原因产生的噪声。机械声中主要由阀中零件的撞击和磨擦等原因产生的噪声。  (1)压力不均匀引起的噪声  先导型溢流阀的导阀部分是一个易振部位如图3所示。在高压情况下溢流时,导阀的轴向开口很小,仅0.003~0.006厘米。过流面积很小,流速很高,可达200米/秒,易引起压力分布不均匀,使锥阀径向力不平衡而产生振动。另外锥阀和锥阀座加工时产生的椭圆度、导阀口的脏物粘住及调压弹簧变形等,也会引起锥阀的振动。所以一般认为导阀是发生噪声的振源部位。

博世力士乐rexroth溢流阀 力士乐流量阀
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R900633352 KEGEL5,0-5,0X30,5KUGEL6,5DBD6
R900627930 VENTILSITZDBD.10K15/
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R900617276 DBDS20K1X/315-315

DB10-2-52/200力士乐溢流阀
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R900520692 DBDS6K1X/200SO59
R900520682 DBDH6K1X/315SO127
R900512896 DBDS25G1X/315V

阀门安装须知:


1、安装前仔细阅读产品说明书,检查产品是否符合使用要求,记住安装要点,做好准备工作。


2、校对铭牌所标参数与所选用产品的参数是否一致,电源电压应满足额定电压电压波动范围:交流+10%~-15%,直流+10%~-10%,平时线圈组件不宜拆开。


3、电磁阀接管之前用0.3MPa的压力对管道冲洗,把管道中的金属粉末及密封材料残留物,锈垢等清除。


4、注意介质的洁净度,如果介质内混有尘垢,杂质等妨碍电磁阀的正常工作,管道中应装过滤阀滤网≥60目。


5、电磁阀不宜装在管道低凹处,装在容器的排出管道中,注意不可自容器底部引出,而应装在容器底部稍上位置。


6、如果介质会起水锤现象,那么应该选用具防水锤功能的电磁阀或采取相应的防范措施。


7、蒸汽用电磁阀入口侧应装有疏水阀,该处接管应倾斜。


8、电磁阀一般是定向的,不可装反,通常在阀体上用“→”指出介质流动方向,安装时要依照“→”指示的方向安装但是本公司可能有时在真空管路或特殊情况下会有提议反装除外。


9、安装姿势:一般电磁阀的电磁线圈部件应竖直向上,竖直安装在水平于地面的管道,如果受空间限制或工况要求必须按侧立如楼房下水道似的管路或倒立安装的,请在选型订货时提出。有些产品有特别规定,请按说明书安装。

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DB10-2-52/200力士乐溢流阀
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DB10-2-52/200力士乐溢流阀
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R901060443 DBDS10P1X/30E
R901059446 DBDS20P1X/340E

使用注意事项:

●电磁铁采用符合ISO4400标准的插座。有带指示灯、不带指示灯两种规格,您可以根据需要进行选择。带指示灯插座的电压规格必须与电磁铁本体电压规格相符。

●电磁铁的手动推杆用于在调试时或紧急情况下,进行手动控制。但当系统背压较高,调节困难时,请使用十字螺丝刀缓推手推杆,不宜使用冲击力,以免破坏手动推杆和导向内孔表面,造成电磁铁漏油或不能复位。

●当双向使用电磁铁时,一定要保证两个电磁铁不能同时通电,以免电磁阀不能正常工作。·电气控制系统与电磁铁连接部分之间应设有过流保护装置,以免在非正常情况下,烧毁电磁铁及您的电控元件。

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普通电磁阀使用开关式电磁铁
衔铁与线圈的相对位置决定阀芯是受推力还是拉力
电磁铁包括开关式和比例式两种,开关式电磁铁常被安装在换向阀上,用来控制阀的换向、系统的
卸荷和加载等;比例式电磁铁安装在各类比例阀上,用来控制液流的方向、压力和流量。不少比例
压力阀安装在电控变量泵上,可以控制泵的和流量和方向。
比例式电磁铁具有一个在其行程上,至少是在其工作行程内,电磁力很大程度上保持不变的特性
,以此区别于普通开关式电磁铁。这一吸力特性,是通过工作气隙的特殊造型和导磁体磁力的引导
而形成。开关式和比例式电磁铁的差别并不完全取决于电磁铁本身,比例电磁铁通最大电流时相当
于开关式电磁铁,开关式电磁铁通不同的电流时也会产生不同的推力。


常用液压名称\名词解释

电磁阀(Electromagnetic valve)是用电磁控制的工业设备,是用来控制流体的自动化基础元件,属于执行器,并不限于液压、气动。用在工业控制系统中调整介质的方向、流量、速度和其他的参数。电磁阀可以配合不同的电路来实现预期的控制,而控制的精度和灵活性都能够保证。电磁阀有很多种,不同的电磁阀在控制系统的不同位置发挥作用,最常用的是单向阀、安全阀、方向控制阀、速度调节阀等。
电磁阀里有密闭的腔,在不同位置开有通孔,每个孔连接不同的油管,腔中间是活塞,两面是两块电磁铁,哪面的磁铁线圈通电阀体就会被吸引到哪边,通过控制阀体的移动来开启或关闭不同的排油孔,而进油孔是常开的,液压油就会进入不同的排油管,然后通过油的压力来推动油缸的活塞,活塞又带动活塞杆,活塞杆带动机械装置。这样通过控制电磁铁的电流通断就控制了机械运动。



柱塞泵是液压系统的一个重要装置。它依靠柱塞在缸体中往复运动,使密封工作容腔的容积发生变化来实现吸油、压油。柱塞泵具有额定压力高、结构紧凑、效率高和流量调节方便等优点,被广泛应用于高压、大流量和流量需要调节的场合,诸如液压机、工程机械和船舶中。机械分类 ? 轴向式 ? 直轴斜盘式 ? 径向式 ? 液压式 柱塞泵一般分为单柱塞泵、卧式柱塞泵、轴向柱塞泵和径向柱塞泵。


比例阀 阀对流量的控制可以分为两种:
一种是开关控制:要么全开、要么全关,流量要么最大、要么最小,没有中间状态,如普通的电磁直通阀、电磁换向阀、电液换向阀。
另一种是连续控制:阀口可以根据需要打开任意一个开度,由此控制通过流量的大小,这类阀有手动控制的,如节流阀,也有电控的,如比例阀、伺服阀。
所以使用比例阀或伺服阀的目的就是:以电控方式实现对流量的节流控制(当然经过结构上的改动也可实现压力控制等),既然是节流控制,就必然有能量损失,伺服阀和其它阀不同的是,它的能量损失更大一些,因为它需要一定的流量来维持前置级控制油路的工作。


换向阀是具有两种以上流动形式和两个以上油口的方向控制阀。是实现液压油流的沟通、切断和换向,以及压力卸载和顺序动作控制的阀门。
可分为手动换向阀、电磁换向阀、电液换向阀等。
又称克里斯阀,阀门的一种,具有多向可调的通道,可适时改变流体流向。
工作时借着阀外的驱动传动机构转动驱动轴,带动摇拐臂,启动阀板,使工作流体时而从左入口通向阀的下部出口,时而从右入口变换通向下部出口,实现了周期变换流向的目的。
这种变换阀在石油、化工生产中有着广泛的应用,在合成氨造气系统中最为常用。此外,换向阀还可作成阀瓣式的结构,多用于较小流量的场合。工作时只需转动手轮通过阀瓣来变换工作流体的流向。


溢流阀是一种液压压力控制阀,在液压设备中主要起定压溢流作用,稳压,系统卸荷和安全保护作用。
主要作用编辑定压溢流作用:在定量泵节流调节系统中,定量泵提供的是恒定流量。当系统压力增大时,会使流量需求减小。此时溢流阀开启,使多余流量溢回油箱,保证溢流阀进口压力,即泵出口压力恒定(阀口常随压力波动开启)。


节流阀是通过改变节流截面或节流长度以控制流体流量的阀门。将节流阀和单向阀并联则可组合成单向节流阀。节流阀和单向节流阀是简易的流量控制阀,在定量泵液压系统中,节流阀和溢流阀配合,可组成三种节流调速系统,即进油路节流调速系统、回油路节流调速系统和旁路节流调速系统。节流阀没有流量负反馈功能,不能补偿由负载变化所造成的速度不稳定,一般仅用于负载变化不大或对速度稳定性要求不高的场合。


齿轮泵是依靠泵缸与啮合齿轮间所形成的工作容积变化和移动来输送液体或使之增压的回转泵。由两个齿轮、泵体与前后盖组成两个封闭空间,当齿轮转动时,齿轮脱开侧的空间的体积从小变大,形成真空,将液体吸入,齿轮啮合侧的空间的体积从大变小,而将液体挤入管路中去。吸入腔与排出腔是靠两个齿轮的啮合线来隔开的。齿轮泵的排出口的压力完全取决于泵出处阻力的大小。


叶片泵因为历史的叶片泵根据中类型的不同有两种
一)专门指容积泵中的滑片泵。
二)指动力式泵的三泵(离心泵、混流泵、轴流泵)或其他特殊的泵。
这类泵产品一般不会叫叶片泵。但作为专著,叶片泵几乎全部是指离心泵、混流泵、轴流泵等。
根据其每转的理论排量是固定值还是可变值,可以分为叶片式变量泵和叶片式定量泵。
工作原理编辑叶片泵转子旋转时,叶片在离心力和压力油的作用下,尖部紧贴在定子内表面上。这样两个叶片与转子和定子内表面所构成的工作容积,先由小到大吸油后再由大到小排油,叶片旋转一周时,完成两次吸油与排油。




单向阀是流体只能沿进口流动,出口介质却无法回流的装置
单向阀 Check Valve
单向阀又称止回阀或逆止阀。用于液压系统中防止油流反向流动,或者用于气动系统中防止压缩空气逆向流动。
单向阀有直通式和直角式两种。直通式单向阀用螺纹连接安装在管路上。直角式单向阀有螺纹连接、板式连接和法兰连接三种形式。液控单向阀也称闭锁阀或保压阀,它与单向阀相同,用以防止油液反向流动。但在液压回路中需要油流反向流动时又可利用控制油压,打开单向阀,使油流在两个方向都可流动。液控单向阀采用锥形阀芯,因此密封性能好。在要求封闭油路时,可用此阀作为油路的单向锁紧而起保压作用。液控单向阀控制油的泄漏方式有内泄式和外泄式二种。在油流反向出口无背压的油路中可用内泄式;否则需用外泄式,以降低控制油压力。


压力继电器,液压术语,是液压系统中当流体压力达到预定值时,使电接点动作的元件。
2.是将压力转换成电信号的液压元器件,客户根据自身的压力设计需要,通过调节压力继电器,实现在某一设定的压力时,输出一个电信号的功能。


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