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内燃叉车万向传动装置的维修与养护

来源:/ 日期:2022-04-08 发布人:hangong

内燃叉车万向传动装置是由万向节叉、十字轴总成等所组成,其作用是将变速器动力传递至主减速器。传动轴传递扭矩大,速度高,工作繁重。因此,虽然其结构并不复杂,但技术要求却很高。否则会出现抖震、发响,脱落和断轴现象。因此在内燃叉车使用中,应认真做好传动轴的养护,发现问题一定要及时处理。

The universal transmission device of internal combustion forklift is composed of universal joint fork and cross shaft assembly. Its function is to transmit the power of transmission to the main reducer. The transmission shaft transmits large torque, high speed and heavy work. Therefore, although its structure is not complex, its technical requirements are very high. Otherwise, chattering, ringing, falling off and shaft breaking will occur. Therefore, in the use of internal combustion forklift, the transmission shaft should be carefully maintained, and the problems found must be handled in time.
内燃叉车行驶中,传动轴要承受很大的扭矩和冲击载荷,同时作高速转动,伴随不断的振动,其润滑条件较差,因此容易产生磨损、变形和损坏,从而工作失常,还会出现异响和抖震等故障。内燃叉车起步时,若车身发抖,伴有轻微的撞击声;行驶中还能听到底盘有一种周期性的响声,速度越快,声音越大。严重时,驾驶室振动,握住转向盘,手有麻木感。其原因有:万向节十字轴及滚针磨损松旷或滚针断碎;各连接部分的固定螺丝松动。遇到上述故障时,可到车底查看各连接螺丝有无松动,并用手晃动传动轴,即可检测出磨损部位;将后轮架起、挂档转动,可观查传动轴震动及异响情况;也可车用千分表检测传动轴变形量,查明原因之后,分别予以维修。
During the driving of internal combustion forklift, the transmission shaft has to bear great torque and impact load, and rotate at high speed at the same time. With continuous vibration, its lubrication condition is poor, so it is easy to produce wear, deformation and damage, so as to work abnormally, and there will be abnormal noise, shaking and other faults. When the internal combustion forklift starts, if the body trembles, there is a slight impact sound; A periodic sound can be heard from the chassis during driving. The faster the speed, the louder the sound. In severe cases, the cab vibrates, holding the steering wheel, and the hands feel numb. The reasons are: the universal joint cross shaft and needle roller are worn and loose or the needle roller is broken; The fixing screws of each connecting part are loose. In case of the above faults, check whether the connecting screws are loose at the bottom of the vehicle, and shake the transmission shaft by hand to detect the worn parts; Put up the rear wheel and put it into gear for rotation, and observe the vibration and abnormal sound of the transmission shaft; You can also use a dial indicator to detect the deformation of the transmission shaft. After finding out the cause, repair it respectively.
养护时,要对内燃叉车十字轴承加注润滑脂,检查十字轴承有无松旷时、将变速器挂空档,松开驻车制动器,双手紧握传动轴轴管,左右用力急剧转动,不应有明显的松旷量,必要时拆下进行维修。
During maintenance, grease the cross bearing of internal combustion forklift, check whether the cross bearing is loose, put the transmission in neutral, release the parking brake, hold the transmission shaft tube tightly with both hands, and rotate sharply with force from left to right. There should be no obvious looseness. Remove it for maintenance if necessary.
内燃叉车传动轴养护时还要检查紧固件是否固定牢靠,传动轴外表和弯曲度,必要时维修。传动轴维修装配前,须将其各部件清洗干净,尤其是十字轴的油道、轴颈和滚针轴承等处,宜以洁净的煤油洗净并用压缩空气吹干。配合面上涂以润滑脂,对合标记后装复。万向节装复后,应转动灵活并无明显间隙,也不能有发卡现象。
During the maintenance of the drive shaft of internal combustion forklift, check whether the fasteners are fixed firmly, the appearance and curvature of the drive shaft, and repair it if necessary. Before the maintenance and assembly of the transmission shaft, its components must be cleaned, especially the oil passage, journal and needle roller bearing of the cross shaft, which should be cleaned with clean kerosene and dried with compressed air. Apply grease on the mating surface and reassemble after aligning and marking. After the universal joint is reassembled, it shall rotate flexibly without obvious clearance and no hairpin.
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The above is the detailed introduction of Jinan second-hand forklift. I hope it will help you If you have any questions, please contact us We will provide you with professional service

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