力士乐螺纹插装阀电磁线圈R901090828 OD02090130OC01-S5L45HRL-24VDC-23W-CL.-H,德国REXROTH螺纹插装阀电磁线圈,购买进口液压、气动、自动化控制工业配件,
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电磁线圈是通电产生电磁的一种装置。在铁芯的外部缠绕与其功率相匹配的导电绕组,这种通有电流的线圈像磁铁一样具有磁性,它也叫做电磁铁。我们通常把它制成条形或蹄形状,以使铁芯更加容易磁化。另外,为了使电磁铁断电立即消磁,我们往往采用消磁较快的的软铁或硅钢材料来制做。这样的电磁铁在通电时有磁性,断电后磁就随之消失。电磁铁在我们的日常生活中有着极其广泛的应用,由于它的发明也使发电机的功率得到了很大的提高。
螺纹插装阀
螺纹插装阀以液体为介质,在液压系统中,能够通过机动或电动方式,可以调节、控制其流体方向、流量、压力等油路动作;其安装形式为螺纹旋入式的液压执行元件。
液压元件将向微型化、高压力、大流量、高速度、高性能、高质量、高可靠性、系统成套方向发展;向低能耗、低噪声、振动、无泄漏、耐久用、以及污染控制、应用水基介质等适应绿色环保要求的方向发展;开发高集成化高功率密度、智能化、人性化、机电一体化以及轻小型微型液压元件。液压元件/系统将呈现多极发展的态势。
由于螺纹插装阀具有加工方便、拆装方便、结构紧凑、互换性强、便于大批量生产等一系列的优点,已经被广泛应用在农机、废物处理设备、起重机、拆卸设备、钻井设备、铲车、公路建设设备、消防车、林业机械、扫路车、挖掘机、多用途车、轮船、机械手和油井、矿井、金属切削、金属成型、塑料、成型、造纸、纺织、包装设备及动力单元、试验台中等。
液压制动系统
一般情况下,压路机用方向操纵杆制动,即静压制动,当方向操纵杆处于中位时,驱动泵的排量为零,没有油液进行主回路,压路机在惯性的作用下停车,此时制动器不工作,始终是脱开的。
当进行停车制动和紧急制动时,操纵电磁制动阀20,由车轮制动器6实现制动:切断电磁制动阀20,补油泵12的压力油不能进入制动器6,制动器6与油箱16相通,靠弹簧压紧摩擦片实现制动。
当发动机启动,并且制动按钮不起作用的情况下,补油泵的压力油通过制动阀20进入制动器,顶开弹簧,脱开摩擦片,压路机可以正常行走。
(1)驱动泵设有“中位”启动自锁装置,只有方向操纵杆置于中位时,发动机才能启动,避免发动机带载启动和发生意外危险(中位开关,油泵不回零位,发动机不能启动);
(2)过载时,油泵排量减少,回中位:
(3)急停阀:电操纵电磁阀,使油泵回中位。
压路机行走电子控制系统
振动压路机的作业质量过去主要依靠司机的经验和技术,司机的劳动强度很大,开发振动压路机的电子控制系统具有以下优点:
(1)提高作业质量,进行施工质量管理,使压实均一化,提高表面精度;
(2)减轻司机的劳动强度。压路机通常租赁使用较多,希望谁都能使用,操作越简单越好。
1.电子控制系统的基本组成
压路机电子控制系统由以下基本元件组成:
(1)传感器:滚轮转速传感器。
(2)操纵开关:手动和自动操纵转换开关、行走车速设定开关。
(3)控制器:由微处理机和接口电路组成,对传感器输入信号进行处理后输出控制信号进行控制。
(4)显示器:显示行走距离、行走速度等。
(5)执行元件:接受控制器输出的控制信号进行控制。如行走泵流量控制比例电磁阀,它根据控制器输出电流控制油泵的流量、方向和响应时间。
2.操纵方法
(1)手动方式
采用电子控制系统的振动压路机和-般压路机操作相同,由前后进操纵杆控制前进后退。另外,车速、行走距离和振动频率都能显示。
(2)自动模式
按起动开关振动压路机开始行走,到达设定距离后自动返程。如前进后退距离设定相等,如后退距离比前进距离设定较短。这样往返,可得均一的滚压次数的压实。
行走速度和加减速度由设定旋钮来设定。起振车速由其设定旋钮来设定,到达起振车速自动振动,低于此车速,振动自动停止。压路机停止时按停车开关,按设定的减速度停车,紧急情况可跳刹车制动。
在此模式下,司机只需操纵转向,大大减轻疲劳强度。
3.行走控制
(1)设定压实行走距离、自动前进后退往复行走控制:由设计开关设定行走距离,通过装在滚轮上的传感器检出行走距离,当接近设计距离时控制器输出信号,蜂鸣器发出断续音,到达设定值时发出连续声。
(2)设定速度保持恒定行走速度控制;
为了行到均匀的压实度需保持车速成恒定。振动压路机在压沥青路面时,如果行走速度不均,由于车速成和振动频率相互关系的变化,对滚压面的加振
节距改变,将使表面压实加工出现不均。一般压路机的车速 可由改变发动机转速(即控制油门)和改变油泵排量(即操纵前进后退手柄行程)来调速,但发动机转速调速将影响振动频率,需采用.调节油泵排量来改变车速,但由司机操纵手柄来调整车速,会增加司机的负担,而且较难设定正确的车速,需采用自动控制。
(3)加减车速控制.
压路机滚轮急启动或急停,会使路面拱起,影响地面的平整度。特别是对簿而软的混合土进行压实时,会使压实表面形成明显的波纹。希望压路机起步平稳和停车缓和,即要求控制起步、停车时的加减速度,特别是前后换向过程中,要求保证加减速平稳性,还要换向迅速。
5.压路机压实管理控制系统
(1)前进后退控制装置
一般压路机油泵方向和排量的改变通常采用杠杆操纵,为了调整车速,要求能在中间位置停留,故采用摩擦机构,机械杠杆操纵力较大,而且行程也较
大,操纵功较大,特别在狭窄场所作业时往复频繁,司机劳动强度大。为此,采用电操纵杆和电液伺服控制。前后进操纵杆和电位器相连,操纵信号通过改变电位器的电阻值输入控制器,控制器发出电信号,可以操纵变量泵电液伺服系统。
电操纵非常轻巧,用手指就能操纵,且行程小。 车速由旋钮来设定,当前后进操纵杆至极限位置时,压路机可达到设定车速,在其它位置则低于设定车速。由于杠杆操纵很轻,为了防止不注意引起的误操作,在中间位置有锁定机构。
(2)滚压次数管理装置
为了掌握路面的压实度,-般以规定的滚压次数来进行压实。对于大坝、飞机场等压实管理要求高的场合,司机需记忆滚压次数,如采用算盘类记忆装置等,但易出差错。为此开发了滚压次数管理装置,在司机座操作面板上和外部显示器上显示滚压次数。
1)手动:每滚压一次,司机按一下面板上的按钮。滚压次数在面板上和外部显示器上显示,外部显示器采用高辉度的电子显示器(LED),在50m内都能看清。
2)自动:计数机构与前后进杠杆连动,可自动进行滚压计数。
(3)压实管理装置
压实过程中司机希望知道路面的压实度,以便合理地进行压实。目前采用的一种方式就是通过检测压路机滚轮的运动来求得压实度方式。其工作原理是随着压实作业的进行,路面强度的增加,会引起振动压路机滚轮的振动波形发生变化。在滚轮上装置加速度传感器,可测得加速度波形,通过微机处理,求得压实度,能在操作面板上显示与压实度有关的数值。或者将此数值在显示屏幕上利用浓淡形象地表示,压路机行走速度和振动频率也可同时表示出来。由此司机可较全面地了解路面的压实程度,有利于合理施工。测得(的各种数值也可以在内存中记忆下来,待作业结束后,在办公室中利用微机进行处理,并在微机中记载作业情况。
(4)行走管理装置
行走管理装置是将滚压距离、次数输入给计算机,向司机显示前后进次数,以便进行液压行走管理。还可以附加前后进的自动反转控制,振动的自动控制等,以及在每一个滚轮上安装行走距离传感器,计算行走速度,进行各种控制。
6.振动压路机电子控制系统的特点及存在问题
(1)特点:
1)操纵简单,不需杠杆、踏板和开关操纵,只需操纵转向。
2)压实行走距离能正确控制,压实次数和压实质量均匀化能保证,压实作业中,行走速度保持不变,压实质量好且均匀。
3)平稳起步、停车,不影响压实的路面,低车速时自动停止振动,不影响压实路面的平整性。
4)具有车速表和振动频率表,能够确切了解路面压实情况。
5)电子控制系统能简单地装在大型两轮振动压路机上。
(2)存在的问题:
1)经济性:由于产量少、价格高,因此一-般作业任选或高价机子上有。
2)可靠性:建设机械作业环境恶劣,电子控制系统要注意耐环境性(特别是无驾驶室)和耐振动性。需要故障诊断系统和采用部件更换结构。
3)操纵性:电子控制系统具有很多功能,使操作面板上开关和指示灯较多,使操作麻烦,应尽量简化。
4)安全性:为防止误操作引起事故,需要有安全措施:如中位锁定装置、抗电波干扰装置以及相关对策等。
力士乐螺纹插装阀电磁线圈R901090828 OD02090130OC01-S5L45HRL-24VDC-23W-CL.-H
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-螺纹插
装阀-电磁驱动阀-电磁线圈-电磁铁
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R933000517 L5010K301OD0200
R933000530 L5010K401OD0200
R933000543 L5010L201OD0200
R933000556 L5010L501OD0200
R933000596 L5010N201OD0200
R933000609 L5010N301OD0200
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
R933001578 L705C113AIOD020
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
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-螺纹插
装阀-电磁驱动阀
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
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-螺纹插
装阀-电磁驱动阀
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
力士乐REXROTH行走机械液压-紧凑型液压系统-插装阀-机械插装阀-螺纹插
装阀-电磁驱动阀
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&
R901091168 OD1531893AS000-VEI8A2T12.89K31.3ANCC225&
R901091169 OD1531893AS800-VEI8A2T12M89K31.3ANCC225&
R901091170 OD1531893DS000-VEI8A2T12.89K31.3DNCC225&
R901091171 OD1532181AS000-VEI8A2T06.18K32.1ANAC220&
R901091173 OD1532181BS000-VEI8A2T06.18K32.1BNAC218&
R901091174 OD1532181CS000-VEI8A2T06.18K32.1CNAC218&
R901091175 OD1532361AS000-VEI8A2T09.36K32.1ANAC220&
R901091176 OD1532361BS000-VEI8A2T09.36K32.1BNAC220&
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工程机械是装备工业的重要组成部分。概括地说,凡土石方施工工程、路面建设与养护、流动式起重装卸作业和各种建筑工程所需的综合性机械化施工工程所必需的机械装备,称为工程机械。
它主要用于建设工程、交通运输建设,能源工业建设和生产、矿山等原材料工业建设和生产、农林水利建设、工业与民用建筑、城市建设、环境保护等领域。
中国工程机械与其他各国比较还增加了铁路线路工程机械、叉车与工业搬运车辆、装修机械、电梯、风动工具等行业。
中国工程机械行业产品范围主要从通用设备制造和专用设备制造业大类中分列出来。产品范围涵盖了工程机械大行业18大类产品,这18大类产品,包括挖掘机械,铲土运输机械,工程起重机械,工业车辆,压实机械,桩工机械,混凝土机械,钢筋及预应力机械,装修机械,凿岩机械,气动工具,铁路路线机械,工程机械,电梯与扶梯,工程机械专用零部件等。
普通重工工程机械
①挖掘机械 如单斗挖掘机(又可分为履带式挖掘机和轮胎式挖掘机)、多斗挖掘机(又可分为轮斗式挖掘机和链斗式挖掘机)、多斗挖沟机(又可分轮斗式挖沟机和链斗式挖沟机)、滚动挖掘机、铣切挖掘机、隧洞掘进机(包括盾构机械)等。
②铲土运输机械 如推土机(又可分为轮胎式推土机和履带式推土机)、铲运机(又可分为履带自行式铲运机、轮胎自行式铲运机和拖式铲运机)、装载机(又可分为轮胎式装载机和履带式装载机、平地机(又可分为自行式平地机和拖式平地机)、运输车(又可分为单轴运输车和双轴牵引运输车)、平板车和自卸汽车等。
③起重机械 如塔式起重机、自行式起重机、桅杆起重机、抓斗起重机等。
④压实机械 如轮胎压路机、光面轮压路机、单足式压路机、振动压路机、夯实机、捣固机等。
⑤桩工机械 如钻孔机、柴油打桩机、振动打桩机、破碎锤等。
⑥钢筋混凝土机械 如混凝土搅拌机、混凝土搅拌站、混凝土搅拌楼、混凝土输送泵、混凝土搅拌输送车、混凝土喷射机、混凝土振动器、钢筋加工机械等。
⑦路面机械 如平整机、道碴清筛机等。
⑧凿岩机械 如凿岩台车、风动凿岩机、电动凿岩机、内燃凿岩机和潜孔凿岩机等。
⑨其他工程机械 如架桥机、气动工具(风动工具)等。
机械设备种类繁多。机械设备运行时,其一些部件甚至其本身可进行不同形式的机械运动。机械设备由驱动装置、变速装置、传动装置、工作装置、制动装置、防护装置、润滑系统、冷却系统等部分组成。
机械行业的主要产品包括以下12类:
(1)农业机械:拖拉机、播种机、收割机械等。
(2)重型矿山机械:冶金机械、矿山机械、起重机械、装卸机械、工矿车辆、水泥设备等。
(3)工程机械:铲土运输机械、压实机械、混凝土机械等。
(4)石化通用机械:石油钻采机械、炼油机械、化工机械、泵、风机、阀门、气体压缩机、制冷空调机械、造纸机械、印刷机械、塑料加工机械、制药机械等。
(5)电工机械:发电机械、变压器、、高低压开关、电线电缆、蓄电池、电焊机、家用电器等。
(6)机床:金属切削机床、锻压机械、铸造机械、木工机械等。
(7)汽车:载货汽车、公路客车、轿车、改装汽车、摩托车等。
(8)仪器仪表:自动化仪表、电工仪器仪表、光学仪器、成分分析仪、汽车仪器仪表、电料装备、电教设备、照相机等。
(9)基础机械:轴承、液压件、密封件、粉末冶金制品、标准紧固件、工业链条、齿轮、模具等。
(10)包装机械:包装机、装箱机、输送机等。
(11)环保机械:水污染防治设备、大气污染防治设备、固体废物处理设备等。
(12)矿山机械
工程机械的分类
(1)挖掘机械、(2)铲土运输机械、(3)工程起重机械、(4)工业车辆、(5)压实机械、(6)路面机械、(7)桩工机械、(8)混凝土机械、(9)钢筋和预应力机械、(10)装修机械、(11)凿岩机械、(12)气动工具、(13)铁路线路机械、(14)掘进机械、(15)市政工程与环卫机械、(16)工程机械、(17)电梯与扶梯、(18)工程机械专用零部件、(19)其它专用工程机械
液压系统的维护
1、选择适合的液压油
液压油在液压油系统中起着传递压力、润滑、冷却、密封的作用,液压油选择不恰当是液压系统早期故障和耐久性下降的主要原因。应按随机《使用说明书》中规定的牌号选择液压油,特殊情况需要使用代用油时,应力求其性能与原牌号性能相同。不同牌号的液压油不能混合使用,以防液压油产生化学反应、性能发生变化。深褐色、乳白色、有异味的液压油是变质油,不能使用。
2、定期保养注意事项
目前有的工程机械液压系统设置了智能装置,该装置对液压系统某些隐患有警示功能,但其监测范围和准确程度有一定的局限性,所以液压系统的检查保养应将智能装置监测结果与定期检查保养相结合。
3、防止固体杂质混入液压系统
清洁的液压油是液压系统的生命。液压系统中有许多精密偶件,有的设阻尼小孔或缝隙等。若固体杂质入侵将造成精密偶件拉伤,发卡、油道堵塞等,危及液压系统的安全运行。一般固体物质入侵途径有:液压油不洁;加油工具不洁;加油和维修、保养不慎;液压元件脱屑等。
防止空气和水入侵液压系统
4.防止空气入侵液压系统
在常压常温下液压油中含有容积比为6%~8%的空气,压力降低时空气会从油中游离出来,气泡破裂使液压元件“气蚀”,产生噪声。大量的空气进入油液中将使“气蚀”现象加剧,液压油压缩性增大,工作不稳定,降低工作效率,执行元件出现“爬行”等不良后果。另外,空气还会使液压油氧化,加速其变质。
防止水入侵液压系统
液压油中含有过量水分会使液压元件锈蚀,油液乳化变质、润滑油膜强度降低,加速机械磨损。除了维修保养时要防止水分入侵外,还要注意储油桶不用时要拧紧盖子,*好倒置放置;含水量大的液压油要经多次过滤,每过滤一次要更换一次烘干的滤纸。在没有专用仪器检测时,可将液压油滴到烧热的铁板上,没有蒸气冒出并立即燃烧方能加注。
5.工程机械作业要柔和平顺
工程机械作业应避免粗暴,否则必然产生冲击负荷,使工程机械故障频发,大大缩短其使用寿命。作业时产生的冲击负荷,一方面会使工程机械结构早期磨损、断裂、破碎,另一方面又使液压系统中产生冲击压力,冲击压力又会使液压元件损坏、油封和高压油管接头与胶管的压合处过早失效漏油或爆管、溢流阀频繁动作使油温上升。我单位新购一台UH171正铲挖掘机,作业中每隔4~6天斗门油管就要漏油或爆裂。油管是随机进口的纯正品,经检测没有质量问题。通过现场观察,发现是斗门开、闭时强烈撞击限位块、门框所致。要有效地避免产生冲击负荷:必须严格执行操作规程;液压阀开、闭不能过猛、过快;避免使工作装置构件运动到极限位置产生强烈击;没有冲击功能的液压设备不能用工作装置(如挖掘机的铲斗)猛烈冲击作业对象以达到破碎的目的。还有一个值得注意的问题:操作手要保持稳定。因为每台设备操纵系统的自由间隙都有一定差异,连接部位的磨损程度不同其间隙也不同,发动机及液压系统出力的大小也不尽相同,这些因素赋予了设备个性,只有使用该设备的操作手认真摸索,修正自己的操纵动作以适应设备的个性,经过长期作业后才能养成符合设备个性的良好操作习惯。工程机械行业坚持定人定机制度,这也是因素之一。