The invention provides a two-wheeled vehicle line control braking structure. The two-wheeled vehicle line control braking structure comprises a motor, a fixed support, a tapered roller bearing, a locking nut, a screw nut, upper pump push rods, a brake upper pump, a trapezoidal screw and a support with a ball bearing; the motor and the support with the ball bearing are connected to the fixed support; the trapezoidal screw comprises a large end section, a middle section and a small end section which are sequentially connected, and the diameters of the large end section, the middle section and the small end section are gradually decreased; a motor shaft of the motor is inserted into a center round hole of the large end section of the trapezoidal screw, and the relative positions of the motor shaft and the trapezoidal screw are fixed through a jackscrew; the tapered roller bearing is installed on the trapezoidal screw so as to bear axial force generated in the braking process; the screw nut is fixed to the trapezoidal screw through thread fit with the small end section of the trapezoidal screw, and the upper pump push rods are fixed to the two sides of the screw nut correspondingly; and the rotating positions of the upper pump push rods are limited through holes in the support with the ball bearing, and the upper pump push rods can only do translational motion along with the screw nut.
本发明提供了一种两轮车线控制动结构,包括:电机、固定支座、圆锥滚子轴承、锁紧螺母、丝杠螺母、上泵推杆、刹车上泵、梯形丝杠和带滚珠轴承支座;电机和带滚珠轴承支座连接在固定支座上;梯形丝杠包括依次连接且直径逐渐变小的大端段、中段和小端段;电机的电机轴插入梯形丝杠大端段中心圆孔,并通过顶丝固定电机轴与梯形丝杠的相对位置;圆锥滚子轴承安装在梯形丝杠上以便承受制动过程中产生的轴向力;丝杠螺母通过与梯形丝杠的小端段的螺纹配合固定在梯形丝杠上,丝杠螺母两侧分别固定上泵推杆;上泵推杆通过带滚珠轴承支座上的通孔限定其旋转位置,使上泵推杆只能随丝杠螺母做平动。
Two-wheeled vehicle line control braking structure
两轮车线控制动结构
2021-06-25
Patent
Electronic Resource
Chinese
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