一种单扭簧式转矩信号获取装置,输入法兰与内转轴的上端面联结,内转轴通过深沟球轴承连接外转轴,外转轴套在内转轴外部;扭簧布设在外转轴和内转轴之间的环形空间内,扭簧的力臂与扭簧轴心垂直;内转轴的下端面连接底端法兰盘,底端法兰盘端面中间的圆孔安装角位移传感器,角位移传感器检测出内转轴和外转轴的相对角位移量,传到电控单元ECU;外转轴下端面有两个对称分布的扇形凹槽,扇形凹槽内开设端面螺纹孔,外转轴通过端面螺纹孔和螺栓联结输出元件,的扇形凹槽连接底板;内转轴连接径向的限位杆,限位杆穿过外转轴的方孔;内转轴上设有第一扭簧压杆和第二扭簧压杆,外转轴上设有第一扭簧固定杆和第二扭簧固定杆,对扭簧压紧。
According to the single torsion spring type torque signal acquisition device, an input flange is connected with the upper end face of an inner rotating shaft, the inner rotating shaft is connected with an outer rotating shaft through a deep groove ball bearing, and the outer rotating shaft sleeves the inner rotating shaft; the torsion spring is arranged in an annular space between the outer rotating shaft and the inner rotating shaft, and the force arm of the torsion spring is perpendicular to the axis of the torsion spring; the lower end face of the inner rotating shaft is connected with a bottom-end flange plate, and an angular displacement sensor is installed in a round hole in the middle of the end face of the bottom-end flange plate, detects the relative angular displacement of the inner rotating shaft and the outer rotating shaft and transmits the relative angular displacement to an ECU; two symmetrically-distributed fan-shaped grooves are formed in the lower end face of the outer rotating shaft, end face threaded holes are formed in the fan-shaped grooves, the outer rotating shaft is connected with an output element through the end face threaded holes and bolts, and the fan-shaped grooves are connected with a bottom plate; the inner rotating shaft is connected with a radial limiting rod which penetrates through the square hole of the outer rotating shaft; a first torsionspring pressing rod and a second torsion spring pressing rod are arranged on the inner rotating shaft, and a first torsion spring fixing rod and a second torsion spring fixing rod are arranged on theouter rotating shaft to press the torsion spring.
一种单扭簧式转矩信号获取装置
2024-07-19
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |