The invention belongs to the field of airplane structural strength ground verification tests, and particularly relates to an X-shaped loading lever. Comprising a lever body which is in an X shape and comprises a body part and a first force arm, a second force arm, a third force arm and a fourth force arm which are connected with the body part, the first force arm and the third force arm are arranged in parallel, the second force arm and the fourth force arm are arranged in parallel, a bearing mounting hole is formed in the body part, and a resultant force point bearing is mounted in the bearing mounting hole; the outer end of the first force arm is provided with a first strip hole, and the inner end is provided with a first tension-compression pad bolt mounting hole; a first round hole is formed in the outer end of the second force arm, and a second tension-compression pad bolt mounting hole is formed in the inner end; the outer end of the third force arm is provided with a second strip hole, and the inner end is provided with a third tension-compression pad bolt mounting hole; the outer end of the fourth force arm is provided with a second round hole, and the inner end is provided with a fourth tension-compression pad bolt mounting hole. The stability and the loading precision of the structure of the whole lever system can be improved.
本申请属于飞机结构强度地面验证试验领域,特别涉及一种X形加载杠杆。包括:杠杆主体,呈X形,包括主体部以及与主体部连接的第一力臂、第二力臂、第三力臂、第四力臂,第一力臂与第三力臂平行设置,第二力臂与第四力臂平行设置,其中,主体部上开设有轴承安装孔,轴承安装孔中安装有合力点轴承;第一力臂的外端开设有第一长条孔,内端开设有第一拉压垫螺栓安装孔;第二力臂的外端开设有第一圆孔,内端开设有第二拉压垫螺栓安装孔;第三力臂的外端开设有第二长条孔,内端开设有第三拉压垫螺栓安装孔;第四力臂的外端开设有第二圆孔,内端开设有第四拉压垫螺栓安装孔。本申请能够增加整个杠杆系统的结构的稳定性与加载精度。
X-shaped loading lever
一种X形加载杠杆
2023-04-11
Patent
Electronic Resource
Chinese
IPC: | B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen |