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当前位置: 澳门新葡萄京8845>>澳门新奥门新葡新京>>企业资讯>>自动变速箱扭力转换器所造成的加速度是多少?

自动变速箱扭力转换器所造成的加速度是多少?

发布日期: 2021-07-22 来源: / 点击:

对于初学者来说,手动变速器实际上不比自动变速器更省油。为了不让汽车走出火焰,新手总是喜欢在开始时踩下油门。如果有自动车,就没有这种情况。如今,许多自动驾驶汽车都配备了无级变速箱。燃油喷射比以前更精 确。它比手动齿轮更省油,更容易出现故障。大家来谈谈自动变速器变矩器引起的加速故障。

For beginners, manual transmission is actually no more fuel efficient than automatic transmission. In order not to let the car out of the flame, novices always like to step on the accelerator at the beginning. If there are automatic cars, there is no such situation. Nowadays, many autopilot cars are equipped with CVT. Fuel injection is more accurate than before. It is more fuel-efficient than manual gear and more prone to failure. Let's talk about the acceleration fault caused by the automatic transmission torque converter.
1、故障现象
1. Fault phenomenon
该车在中低速时启动正常,但没有高速,而中速油门的高速度仅约80-90km/H;增加油门开口,高速度仅约110~120km/h。
The car starts normally at medium and low speed, but has no high speed, while the high speed of medium speed throttle is only about 80-90km / h; By increasing the throttle opening, the high speed is only about 110 ~ 120km / h.
2、故障诊断方法
2. Fault diagnosis method
当支撑导向轮的单向离合器卡住时,感觉有点像发动机排气不平稳,但是当发动机排气不平稳时,很难起动。打开空气滤清器的上盖并拆下滤芯。当发动机快速加速时,此处可看到废气回流,而支撑导向轮的单向离合器被卡住,这将不会导致废气回流。从油色判断,一切都正常,故障诊断仪找不到故障,发动机失速转速正常。
When the one-way clutch supporting the steering wheel is stuck, it feels like the engine exhaust is not stable, but when the engine exhaust is not stable, it is difficult to start. Open the upper cover of the air cleaner and remove the filter element. When the engine accelerates rapidly, the exhaust backflow can be seen here, and the one-way clutch supporting the steering wheel is stuck, which will not cause the exhaust backflow. Judging from the oil color, everything is normal, the fault diagnosis instrument can not find the fault, and the engine stall speed is normal.
3、故障现象
3. Fault phenomenon
当车辆在30-50公里/小时的速度下行驶时,在通过低速区后,加速不好、提速慢、加速性好,液压变矩器中带支撑导轮的单向离合器很可能会打滑。
When the vehicle is running at the speed of 30-50 km / h, after passing through the low speed zone, the acceleration is not good, the acceleration is slow and the acceleration is good, and the one-way clutch with supporting guide wheel in the hydraulic torque converter is likely to slip.
4、故障诊断方法
4. Fault diagnosis method
发动机加热后,进行失速试验。例如,发动机的失速速度明显低于自动变速器的速度限 制,表明液压扭矩转换器中支撑导轮的单向离合器滑动。
After the engine is heated, the stall test is carried out. For example, the stall speed of the engine is significantly lower than the speed limit of the automatic transmission, indicating that the one-way clutch supporting the stator in the hydraulic torque converter is slipping.
5、故障分析
5. Fault analysis
变矩器的低速扭矩增加取决于导向轮,以改变液流的方向。本发明的有益效果是:在变矩器卡瓦中支撑导向轮的单向离合器后,导向轮不具有单向离合器的支撑,当扭转情况增加时,不能改变液流的方向。以此方式,由导向轮返回的液流的流动方向与泵轮的旋转方向相反,并且发动机需要克服由反向液流引起的附加负载,因此液力变矩器变成液压联接,并且低速扭转增加变为低速转矩下降,因此在低速区域(变矩器增加扭矩条件区域)的车辆的加速度差。
The low speed torque increase of torque converter depends on the guide wheel to change the direction of fluid flow. The beneficial effect of the invention is that: after supporting the one-way clutch of the guide wheel in the slip of the torque converter, the guide wheel does not have the support of the one-way clutch, and when the torsion situation increases, the direction of the liquid flow cannot be changed. In this way, the flow direction of the fluid returned by the guide wheel is opposite to the rotation direction of the pump wheel, and the engine needs to overcome the additional load caused by the reverse fluid flow, so the hydraulic torque converter becomes a hydraulic connection, and the low-speed torque increases to the low-speed torque decreases, so the acceleration difference of the vehicle in the low-speed region (torque converter torque increase condition region) is small.
6、维修方法
6. Maintenance method
更换变矩器总成或使用车床切削液力变矩器,然后更换导轮和单向离合器以消除故障。
Replace the torque converter assembly or use the lathe to cut the hydraulic torque converter, and then replace the guide wheel and one-way clutch to eliminate the fault.
汽车齿轮车越来越流行,但相当多的人不知道自动变速器的状况。
Gear cars are becoming more and more popular, but quite a lot of people don't know the condition of automatic transmission.

关键词: 自动变速箱维修常见故障分析 DSG 变速器故障的维修 自动变速箱冲击故障维修要注意什么? 自动挡车型自动变速箱维修需要注意什么? 发动机的转速很高就会断油的原因

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