2results about How to "Will not affect" patented technology

The utility model relates to the technical field of anti -wear D type ring, concretely is a kind of anti -wear D type ring device, including D type ring main body, be provided with anti -wear structure on D type ring main body, first protective shell is fixedly installed with multiple fixed frame of cooperation with connecting block, fixed frame and connecting block are all set with connecting hole, recess is set in the inside of connecting hole set in connecting block, first plug rod is movably installed in the inside of connecting hole, the one end of first plug rod is fixedly installed with clavus, the utility model is set through the setting of anti -wear structure, changes the mode for improving the wear resistance of D type ring main body by coating wear -resistant material on traditional D type ring main body, so that the wear -resistant mode of D type ring main body cannot be influenced by environment, the advantage of this structure is in that D type ring main body can be under the condition of good wear resistance, still cannot be influenced by environment, and this structure is not frequently replaced, so its maintenance and difficulty will be greatly reduced.

The utility model discloses a non -contact type elevator slip amount detection device relates to detection technical field, and the device includes non -contact type speedometer and rotation angle measuring device, and non -contact type speedometer is used for measuring the instantaneous speed of the traction rope of traction system, and rotation angle measuring device is used for setting in the outside of the traction wheel of traction system, and rotation angle measuring device is used for measuring the total rotation angle of traction wheel. The utility model is favorable for improving the accuracy of measurement and measurement accuracy, and is convenient for arrangement and installation.