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挖掘机跳挡的怎么预防?

日期:2018-06-07   来源:http://www.dyqicheng.com/
挖掘机跳挡的原因很多,在在频繁的换挡过程中,各啮合齿轮的轮齿端面易被磨成锥形,会造成其啮合性能降低而导致"跳挡";换挡装配调整不当该型挖掘机的变速器采用的是机械式人力换挡的方式,若变速杆、纵轴、横轴及竖固定螺钉松动亦可造成变速器"跳挡";外界负载的忽然变化以及操作不当等等。
There are many reasons for the jump of the excavator. In the process of frequent shift, the end face of the gear teeth of each gear is easily grinded to conical, which will cause its meshing performance to be reduced and cause "jump gear". The loosening of the fixed screw can also cause the "jump gear" of the transmission, sudden changes in the external load and improper operation.
预防措施:
Preventive measures:
(1)严格按照操作规程和驾驶要领进行操作,尽量避免换挡时"打齿",以减少齿轮副的磨损。
(1) operate strictly according to the operating rules and driving points, try to avoid "gear" when shifting gears, so as to reduce the wear of gear pairs.
(2)严格执行保养制度,加强换挡装置的维护保养。当换挡装置杆系连接不当时应及时调整,确保换挡装置性能良好。
(2) strictly implement the maintenance system and strengthen the maintenance of shift devices. When the linkage of the shift device is not connected, it should be adjusted in time to ensure the performance of the shift device is good.
加长臂挖掘机出租
(3)注重对自锁机构的维修与保养,对定位作用降低或失去定位效能的定位钢球、弹簧及拨叉轴,应及时修复或更换,使自锁机构的自锁性能处于良好的状态。
(3) pay attention to the maintenance and maintenance of self locking mechanism. The positioning steel ball, spring and fork shaft should be repaired or replaced in time to reduce or lose the positioning efficiency, so that the self locking performance of the self locking mechanism is in good condition.
(4)组装变速器时,应严格按操作规程进行操作,确保变速器各机件调整正确、紧定适当。较大的下坡路面时,驾驶员应严格按照下坡的动作要领进行操作,切不可违规。
(4) when assembling the transmission, it should be strictly operated according to the operation rules to ensure that the transmission parts are adjusted correctly and properly. When the downhill road is larger, drivers should operate strictly according to the action points of downhill operation.
在挖掘机的行驶过程中,若出现变速器"跳挡"时,应及时使机器停机,然后查找原因,排除故障。具体方法是:
In the process of excavator driving, if there is a transmission "jump gear", the machine should be stopped in time, then the cause can be found out and the trouble is eliminated. The specific methods are:
1.在平路上行驶时出现"跳挡",可按正常的停机要领停机,认真查找原因,排除故障。
1. when running on a flat road, there is a "jumping gear", which can be shut down according to the normal stop points.
2.在下坡道上行驶时出现"跳挡",应按加挡的动作要领将挡位置于高-速的位置或采取"抢挡"措施,待机器行驶到坡底后再停机检查,排除故障;若"加挡"、"抢挡"不成功或又一次出现"跳挡"时,驾驶员可将发动机转速控制在中速,采用"点刹"的方法使机器滑至坡底,然后排除故障。
2. when driving on the lower ramp, "jump gear" should be appeared, and the position of the block should be placed in the position of high speed or "grab gear", and the machine will stop checking after the machine runs to the bottom of the slope, and then the fault is eliminated. If the "block", "grab block" fail or "jump" again, the driver can control the engine speed at medium speed. The "point brake" method is used to slide the machine to the bottom of the slope, and then remove the trouble.
3.上坡行驶时出现"跳挡",可将挡位置于低-速位置或Ⅰ挡位置,待机器行驶到坡顶时再停机,排除故障;若减挡不成功或又一次出现"跳挡"时,应按坡道停机的动作要领及要求停机,然后排除故障。
3. jump on the slope, "jump gear", can be placed in low speed position or I gear position, when the machine runs to the top of the slope, and then stop, troubleshooting, if the gear is not successful or once again "jump gear", should be shut down on the ramp and request stop, and then discharge fault.
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This article is written by a long arm excavator to learn more products and more detailed content. Please pay attention to our official website: http://www.dyqicheng.com.

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