The invention provides a helicopter main reducer combined type non-linear damping device which comprises a supporting rod 1, a damping lever 2, a base 3, a mounting groove 4, a spring support 5, a vibration isolation balancing weight 6 and a non-linear vibration absorption mechanism 7, the non-linear vibration absorption mechanism 7 comprises a rubber damping rolling shaft 71, a spring 72 and a vibration absorption balancing weight 73, the upper end of the supporting rod 1 is hinged to the upper end of a main reducer, and the lower end of the supporting rod 1 is hinged to the lower end of the main reducer. The supporting rod 1 rotates around a hinge point in the vertical moving process of the main speed reducer, and the lower end of the supporting rod 1 is hinged to the damping lever 2. One end of the vibration reduction lever 2 is hinged to the base 3, the base 3 is fixed to a platform, the vibration reduction lever 2 rotates around the hinged point of the base 3 under the action of the axial force of the supporting rod 1, and the other end of the vibration reduction lever 2 is provided with a nonlinear vibration absorption mechanism 6; a mounting groove 4 is formed in the middle of the vibration reduction lever 2.
本申请提供一种直升机主减速器组合式非线性减振装置,所述装置包括撑杆1、减振杠杆2、基座3、安装槽4、弹簧支座5、隔振配重块6和非线性吸振机构7,非线性吸振机构7包括橡胶阻尼滚轴71、弹簧72和吸振配重块73,其中:所述撑杆1上端铰接在主减速器上端,所述撑杆1在主减速器上下移动的过程绕铰接点转动,所述撑杆1下端与减振杠杆2铰接;所述减振杠杆2的一端与基座3铰接,所述基座3固定在平台上,所述减振杠杆2在撑杆1轴向力作用下绕基座3铰接点转动,所述减振杠杆2的另外一端设置有非线性吸振机构6;所述减振杠杆2的中部设有安装槽4。
Combined type nonlinear damping device of helicopter main speed reducer
一种直升机主减速器组合式非线性减振装置
2024-12-06
Patent
Electronic Resource
Chinese
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