The paddle pull rod assembly comprises a paddle pull rod body, an upper fork-shaped connector and a lower fork-shaped connector, the upper fork-shaped connector and the lower fork-shaped connector are matched with the two ends of the paddle pull rod body, and a two-row ball bearing with the axial clearance value ranging from 0.015 to 0.030 is arranged between the lower fork-shaped connector and the paddle pull rod body; wherein the outer ring of the two-row ball bearing is provided with a copper plating layer, the thickness of a single side of the copper plating layer ranges from 0.010 mm to 0.015 mm, and therefore the fit clearance between the inner wall of the lower fork-shaped connector and the outer ring of the two-row ball bearing is controlled to range from-0.030 mm to-0.020 mm. According to the paddle pull rod assembly used for solving the problem that the paddle pull rod of the automatic inclinator is abnormal, the copper plating layer with the preset unilateral thickness is arranged on the outer ring of the double-row ball bearing, so that the problem that the axial clearance of the bearing deviates from the upper limit is solved by reducing the fit clearance between the double-row ball bearing and the inner hole of the lower fork-shaped connector; and the economic waste caused by selectively installing the two-row ball bearing with the axial clearance deviating from the lower limit is effectively avoided.
本发明公开了一种用于解决自动倾斜器桨叶拉杆异常的桨叶拉杆组件,包括桨叶拉杆体,以及与其两端相配合的上叉形接头、下叉形接头,所述下叉形接头与桨叶拉杆体之间设置有轴向游隙值为0.015‑0.030的双列球轴承;其中,所述双列球轴承的外环上设置有单边厚度为0.010mm~0.015mm的镀铜层,进而使下叉形接头内壁与双列球轴承外环的配合间隙控制在‑0.030mm~‑0.020mm。本发明提供一种用于解决自动倾斜器桨叶拉杆异常的桨叶拉杆组件,通过在双列球轴承外环上设置预定单边厚度的镀铜层,以通过缩小双列球轴承与下叉形接头内孔配合间隙,弥补轴承轴向游隙偏上限问题,有效的杜绝了因选装轴向游隙偏下限的双列球轴承而带来的经济浪费。
Paddle pull rod assembly for solving abnormity of paddle pull rod of automatic inclinator
一种用于解决自动倾斜器桨叶拉杆异常的桨叶拉杆组件
2024-01-16
Patent
Electronic Resource
Chinese
IPC: | B64C AEROPLANES , Flugzeuge |
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