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贵州高空作业车常见故障和维修

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贵州高空作业车常见故障和维修

发布日期:2018-01-17 作者:贵州高空作业平台 点击:

贵州高空作业车常见故障和维修

贵州高空作业平台

Common fault and maintenance of Guizhou high altitude operating car


故障1:液压系统不能达到所需的工作压力,加大发动机油门上不去。现象:去腿收不进去,变幅吊臂起不来,转台旋转不动。从压力表看各机构压力很低。

Fault 1: the hydraulic system can not reach the required working pressure, and increase the engine throttle。 Phenomenon: the leg does not get in, the swing arm does not come up, the turntable rotates。 From the pressure gauge, the pressure of each organization is very low。

愿因:⑴溢流阀开启压力过低。⑵油箱油面过低,或吸油管堵塞。⑶压力管路和回油管路串通或泄露过大,使大量的油未参加工作就流回油箱。⑷油泵损坏或泄露过大。

福运彩票开户May because of relief valve opening pressure is too low。 The tank oil level is too low, or the suction tube blockage。 The pressure and return lines of collusion or leakage is too large, so that a large number of oil did not participate in the work flow back into the tank。 The pump is damaged or leaking too large。

排除方法:⑴调整溢流阀开启压力⑵添加新油或检查吸油管⑶检查油路,特别是各种阀锁、马达等⑷检查油泵,进行检修,或换新的。

Troubleshooting: to adjust the relief valve opening pressure of the oil suction pipe or add a new check, check the circuit, especially the check valve lock, motor pump, repair, or replacement。

故障2:操纵排档失灵

Fault 2: control gear failure

原因:⑴操纵杆失灵⑵拨叉损坏⑶定位珠弹簧失灵

Reasons: the failure of the lever fork the damage locating bead spring failure

排除方法:或修或换

Exclude methods: or repair or change

故障3:液压系统漏油

Fault 3: oil leakage in the hydraulic system

原因:⑴接头松动⑵密封件损坏⑶管边破裂或焊管接头油砂眼

Reasons: the joint loosening the damaged seals the side pipe rupture or welded joints of oil sand

排除方法:⑴拧紧⑵换新⑶补焊或换新

Troubleshooting: 1 the new welding, tighten or replacement

故障4:油门操纵阀不灵

Fault 4: the throttle valve is inflexible

原因:⑴系统中钢丝绳被卡住⑵弹簧损坏⑶行程由于绳卡松动而变化⑷缺乏润滑油

福运彩票开户Reason: the wire rope system is stuck the damage the spring trip due to loosening of the rope card changes lack of lubricating oil

排除方法:⑴检修⑵换新⑶调整行程;紧固⑷润滑各P位

Troubleshooting: 1 the new branch overhaul to adjust the itinerary of the lubrication of the P fastening;

福运彩票开户故障5:压力表油不指示,或压力不上升

Fault 5: the pressure gauge oil does not indicate, or the pressure does not rise

原因:⑴油箱液面过低或吸油管堵塞⑵溢流阀调整压力过低⑶油泵进油口前的管边不密封⑷油泵损坏或因内边磨损严重泄漏大⑸压力管路或回油管路串通或泄漏过大⑹压力表损坏

Reasons: the liquid fuel tank is too low or the suction pipe plug the pressure relief valve adjustment is too low the oil pump inlet pipe on the front side of the pump is not sealed or because of damage in the side wear serious leak the pressure pipe or return pipeline leakage is too large, collusion or damaged pressure gauge

排除方法:⑴加油并清除异物⑵按规定适当调整压力⑶排除不密封处⑷检修或换新⑸或修或换⑹或修或换

Troubleshooting: 1 gas and remove foreign bodies according to the provisions of the appropriate adjustment pressure at the seal of the excluded or renewed the maintenance or repair or replace or repair or replace.

故障6:油路噪音振动严重

Fault 6: the noise and vibration of the oil road is serious

原因:⑴管路中有空气⑵元件失灵⑶管边元件不紧固⑷换向太猛太快⑸油温过低⑹油不足⑺管路堵塞

Reasons: the air in the pipeline, pipe edge component failure element fastening the change too much too fast, the oil temperature is too low, insufficient oil pipeline blockage

排除方法:⑴贵州高空作业平台认为各机构反复多次动作,排除内部气体,检修油泵。⑵修或换⑶紧固加管卡⑷缓慢操作⑸空载运行加温⑹注油⑺疏通

Method: the agencies repeated action, exclude internal gas pump maintenance。 The change in the operation of the fastening clamp with slow heating oil, dredge the no-load operation or repair。

故障7:油温过热

Fault 7: oil temperature overheating

原因:⑴内部泄漏过大⑵压力过高⑶连续作业时间长,环境温度高(夏天)

Reasons: the internal leakage is too large, excessive pressure, continuous long working time, high ambient temperature (Xia Tian)

排除方法:⑴检修元件⑵调整压力⑶停机休息冷却后再工作。

Troubleshooting: the maintenance of the pressure adjusting element breaks down after cooling work.

故障8:油缸、马达运动不均匀,有爬坡现象

Fault 8: oil cylinder, motor movement is uneven, there is a climbing phenomenon

原因:⑴液压系统中存有空气负载后被显著压缩,使运动不均匀。⑵运动摩擦面之间缺乏润滑。⑶运动部件与非部件之间的间隙过小,或运动工作部件变形。

There are reasons: the air load is significantly after compression in the hydraulic system, so that movement is not uniform. The lack of lubrication between the friction surface. The gap between the moving parts and components is too small, or the movement of working parts deformation.

排除方法:⑴将油箱加足油并对各油缸分别再高速全行程往复运动若干次。⑵经常加涂黄油润滑。⑶检查调整各运动部件之间的间隙松紧适度。

Troubleshooting: 1 will add enough oil tank and the oil cylinder are respectively high speed full stroke reciprocating motion several times. We often add butter lubrication.  The check and adjust the moving parts of the gap of moderate elasticity.

故障9:支腿运动缓慢,收放失灵甚至不动

Failure 9: slow leg movement, failure or even movement

原因:⑴溢流阀失灵或压力过低。⑵油缸内漏油,油封损坏而降低了油缸容积效率,油泵排量不足,换向阀失灵或内漏严重。⑶双向液压锁内的滑阀锥面与阀座接触线间有异物或有伤痕。⑷缸内有空气。

Reasons: the relief valve failure or low pressure。 The cylinder oil seal damage and reduce the cylinder volume efficiency, pump displacement, valve failure or serious leakage。 The bidirectional hydraulic lock in the spool and the valve seat conical contact line between the foreign body or a scar。 The air cylinder。

排除方法:⑴检修,更换或调压。⑵更换油封、油泵排量不足,不加大油门,提高发动机转速,换向阀失灵,轻则修,重则换。⑶拆开清洗,重则更换,轻则重新研配⑷往复运动几次,排除空气。

Troubleshooting: the repair, replacement or regulator。 The replacement of oil seal, oil pump displacement, the throttle is not increased, increasing the engine speed, reversing valve failure, light repair, heavy change。 The weight is open for cleaning, replacement, light re spotting the reciprocating motion of a few times, the exclusion of air。

故障10:转台转不动

Fault 10: the turntable can't move

原因:⑴溢流阀溢流压力过低或完全失灵⑵油泵或旋转马达不灵⑶小齿轮与齿圆啮合不好⑷蜗轮减速箱不灵⑸换向阀失灵

Reasons: the overflow of the overflow valve pressure is too low or completely failed the pump or the motor is rotating pinion and gear meshing is the circular worm gear reducer is the valve failure

福运彩票开户排除方法:⑴检修或调整⑵或修或换⑶按规定调整⑷或修正或更换⑸检修或更换

Troubleshooting: 1 or adjust the maintenance or repair or replace it according to the provisions of the adjustment or correction or replacement of the repair or replacement

故障11:工作臂不上升

福运彩票开户Fault 11: the working arm does not rise

原因:⑴溢流阀溢流压力过低⑵管路堵塞,油不通⑶油缸严重内漏⑷换向阀失灵

Reasons: the overflow of the overflow valve, low pressure pipeline plugging, oil cylinder is the serious leakage of the valve。

排除方法:⑴调压⑵逐段检查,除赃物,转动油泵机构不操纵,逐一卸松管接头查看有无油液射出,能查出管道被堵塞的具体位置。⑶更换油封⑷检修或更换

Method: the pressure regulating the piecewise check, in addition to the stolen goods, turn the mechanism of manipulation, loosen one by one to see whether the oil pipe joint injection, can detect the specific location of the pipeline is blocked. According to the maintenance or replacement of oil seal replacement

故障12:工作臂不下落

Fault 12: the working arm does not fall

原因:⑴平衡阀中的控制压力太高⑵管路堵塞,油不通⑶换向阀失灵

Reasons: the control of pressure balance valve in the pipeline jam is too high, the oil valve failure。

排除方法:⑴调整平衡阀压力⑵按工作臂不上升排除⑶检修或更换

Method: the adjustment of pressure balance valve according to the working arm does not exclude the rise of repair or replacement

故障13:落臂时有振动

Fault 13: there is a vibration when the arm is falling

原因:⑴缸筒内有空气⑵限速阀调整不当

福运彩票开户Reasons: the cylinder with the air valve to adjust properly the speed limit

排除方法:⑴按维修方法排除空气⑵重新调整

Method: by the method of eliminating air re adjust maintenance

故障14:变幅油缸锁不住

Fault 14: the variable amplitude cylinder can not be locked

原因:⑴平衡阀锥面与阀座油封封面有划痕或异物⑵平衡阀弹簧断裂卡死⑶接头漏油⑷油缸内漏

Reasons: the balance valve and valve seat conical seal cover scratches or foreign body the balance valve spring fracture stuck the joint leakage of the cylinder leakage

排除方法:⑴修或换⑵修或换⑶紧固⑷修或换

Troubleshooting: 1 for the change of the fastening the repair or replace or repair or repair

故障15:油缸活塞杆伸出漏油

Fault 15: oil cylinder piston rod protruding oil leakage

原因:⑴密封环损坏⑵活塞杆有划痕

Reasons: the seal ring damage the piston rod scratches

排除方法:⑴更换油封⑵修复或更换,清除异物。

Troubleshooting: to replace the seal and repair or replacement, removal of foreign body。

故障16:流量不足

Fault 16: insufficient flow

原因:⑴发动机转速过低⑵油泵磨损严重

Reasons: the engine speed is too low and the serious wear of pump

福运彩票开户排除方法:⑴适当加速⑵修或换

Troubleshooting: the proper acceleration, change or repair

  


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