The invention relates to a pantograph and a pantograph head assembly. The pantograph head assembly comprises a pantograph head support, a long-strip-shaped current-conducting plate and a supporting rod for supporting the current-conducting plate, and the supporting rod is assembled on the pantograph head support in a guiding mode. A balance pressing plate is hinged to the pantograph head support, the supporting rod is sleeved with a spring for pressing the balance pressing plate on the supporting rod, the balance pressing plate is provided with a penetrating hole or a penetrating groove for the supporting rod to penetrate through, the penetrating hole or the penetrating groove extends in the width direction of the current-conducting plate, the penetrating hole or the penetrating groove is provided with two hole side walls or groove side walls in sliding fit with the supporting rod, and the supporting rod can be limited to swing in the length direction of the current-conducting plate. The pantograph head assembly of the structure can increase the guide distance of the supporting rod moving in the vertical direction, improve the stability of the current-conducting plate in the vertical moving process, reduce the possibility that the current-conducting plate swings in the length direction in the upward moving process to cause poor contact between the current-conducting plate and a power supply polar plate, and ensure the normal charging operation of an electric vehicle.
本发明涉及一种受电弓及弓头组件。弓头组件包括弓头支架、长条形的导电板和支撑导电板的支撑杆,支撑杆导向装配在弓头支架上;弓头支架上铰接有平衡压板,支撑杆上套装有与将平衡压板压装在支撑杆上的弹簧,平衡压板上设有供支撑杆穿过的穿孔或穿槽,穿孔或穿槽沿导电板的宽度方向延伸设置,穿孔或穿槽上均具有与支撑杆滑动配合的的两个孔侧壁或槽侧壁,可限制支撑杆向导电板长度方向摆动。上述结构设置的弓头组件可增加支撑杆上下方向上运动的导向距离,提高导电板在上下方向上移动过程中的平稳性,降低导电板向上移动过程中向其长度方向摆动而导致导电板与供电极板接触不良的可能性,确保电动车辆的充电作业的正常运行。
Pantograph and pantograph head assembly
一种受电弓及弓头组件
14.05.2021
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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