Blade driving structure in variable pitch system

• Main Authors: CHEN HEYA, XUE WENYAN, LIAO ENRONG
• Format: Patent
• Language: Chinese; English
• Published: 14.06.2019
• Subjects: AEROPLANES; AIRCRAFT; AVIATION; COSMONAUTICS; HELICOPTERS; PERFORMING OPERATIONS; TRANSPORTING

The invention discloses a blade driving structure in a variable pitch system. The blade driving structure includes a drive shaft and a drive plate. The drive shaft and the drive plate are fixedly connected to each other. A U-shaped fixing block is arranged on the end of the drive shaft. A limit block is arranged on the inner wall of the fixing block. A connecting part is arranged on the drive plate. A locking groove is arranged in the end face of the drive shaft. The connecting part is clamped to the inside of the locking groove. The connecting part and the locking groove are fixedly connectedto each other through a screw. The blade driving structure in the variable pitch system has the advantages of simple structure, good fastening effect, good stability and good use effect. 本发明公开了一种变桨系统中的桨叶驱动结构，包括驱动轴和驱动板，所述驱动轴与驱动板固定连接；所述驱动轴的末端设有U形状的固定块，在固定块的内壁上设有限位块；所述驱动板上设有连接部，在驱动轴的端面上设有锁紧槽，连接部卡接于锁紧槽内，且连接部与锁紧槽之间通过螺钉固定连接。本发明结构简单，紧固效果好，稳定性好，使用效果好。