Test wire winding and unwinding devices

The utility model discloses an enough accomodate the test wire winding and unwinding devices of test wire. Test wire winding and unwinding devices includes fixed part, the line portion of accomodating, rotating part and connecting piece. The rotating part with the line portion of accomodating connects, the rotating part can install with rotating in the fixed part. The connecting piece connect in the fixed part, the connecting piece is used for installing the reference test bar. Line and unwrapping wire operation are convenient for receive by test wire winding and unwinding devices. 本实用新型公开了种能够收纳测试线的测试线收放装置。所述测试线收放装置包括固定部、线收纳部、旋转部和连接件。所述旋转部与所述线收纳部连接，所述旋转部能够旋转地安装于所述固定部。所述连接件连接于所述固定部，所述连接件用于安装到测试杆。所述测试线收放装置便于收线和放线操作。