The invention belongs to the field of aircraft structure fatigue tests, and particularly relates to a test piece displacement limiting device which comprises a test piece, a limiting device, a limiting switch and a limiting support. The limiting bracket is fixed on a supporting, loading or checking rack which is not changed relative to a test piece in position, the limiting device is adhered to the surface of the test piece, and the limiting switch is fixedly connected to the limiting bracket and is rotationally connected with the limiting device. The displacement of the test piece in any direction can be limited, and damage or destruction caused by excessive local deformation of the test piece structure is avoided; for the follow-up loading test, the relative displacement between the test piece and the loading structure can be limited, and the relative position between the test piece and the loading structure is kept unchanged; the limit switch bracket can ensure that the position of the limit switch can be adjusted in any direction, so that mounting and processing errors can be eliminated; the device is simple in structure and simple in manufacturing and mounting process.
本申请属于飞机结构疲劳试验领域,特别涉及一种试验件位移限制装置,包括试验件、限位装置、限位开关和限位支架;限位支架固定于与试验件相对位置不变的支持、加载或检查台架上,限位装置粘贴在试验件表面,限位开关固定连接于限位支架上并且限位开关与限位装置转动连接。可以限制试验件任一方向的位移量,避免试验件结构局部变形过大出现损伤或破坏;对于随动加载试验,可以限制试验件与加载结构间的相对位移量,保证二者之间相对位置不变;限位开关支架能够保证限位开关位置沿任一方向均可调,可以消除安装及加工误差;本装置结构简单,制造及安装工艺简单。
Test piece displacement limiting device
一种试验件位移限制装置
2025-02-28
Patent
Electronic Resource
Chinese
IPC: | G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / 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 / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen |
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