The invention discloses a variable-diameter stepless adjusting device, and relates to the technical field of diameter adjustment. The device comprises an external expansion part and a fixing disc, a fixing ring is fixed to the fixing disc, a center shaft is connected to the center of the fixing disc, the center shaft is sleeved with a first gear, a bearing is arranged between the first gear and the center shaft, a plurality of supporting shafts are rotationally arranged on the surface of the fixing disc, and the supporting shafts are sleeved with second gears; a plurality of racks are movably arranged between the first gear and the fixing disc, a secondary adjusting mechanism is arranged on the fixing disc, the racks are connected with the external expansion device through the secondary adjusting mechanism, and the second gear is meshed with the first gear and the racks, so that the racks are adjusted to expand outwards or contract inwards conveniently, and then the external expansion device is driven to move. The purpose of primary adjustment is achieved, secondary adjustment is carried out on external expansion by combining a secondary adjustment mechanism, and the adjustment range of the device is effectively expanded.
本发明公开了一种直径可变式无极调节装置,涉及直径调节技术领域。本发明包括外附扩展以及固定盘,固定盘上固定有固定环,固定盘中心处连接有中心轴,中心轴外侧套设有第一齿轮,第一齿轮与中心轴之间设置有轴承,固定盘表面转动设置有若干支撑轴,支撑轴上套设有第二齿轮,第一齿轮与固定盘之间活动设置有若干齿条,固定盘上设置有二级调节机构,齿条与外附扩展之间通过二级调节机构相连接,第二齿轮与第一齿轮以及齿条相啮合,便于调节齿条向外扩展或向内收缩,进而带动了外附扩展的移动,实现一级调节的目的,结合二级调节机构,对外附扩展进行二次调节,有效扩大了装置的调节范围。
Diameter-variable stepless adjusting device
一种直径可变式无极调节装置
2024-09-03
Patent
Electronic Resource
Chinese
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |
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