1results about How to "Adjust the elasticity" patented technology

The utility model relates to the technical field of pole piece clamp, and disclose a pole piece impedance test fixture, the upper handle outside rotation is connected with lower handle, lower handle inside rotation is connected with bolt, the bolt runs through upper handle inside, the bolt periphery thread connection has the nut, the nut bottom is provided with the limit block, the limit block fixed connection is in lower handle back end, the bolt periphery rotation is connected with torsional spring, the torsional spring bottom and lower handle inside contact, the torsional spring top and upper handle inside contact, the upper handle inside is provided with adjusting mechanism. Through the letter screwdriver drive the nut rotation, make the nut can drive first threaded rod rotation, make first threaded rod can adjust the position of extrusion roller, make extrusion roller can extrude torsional spring, make extrusion roller can adjust the elastic force of torsional spring, make the device can hold the pole piece of different thickness, and the staff is convenient to the pole piece impedance and carries out the test.