2results about How to "Easy and efficient measurement" patented technology

The utility model relates to the technical field of measuring devices, in particular to a track bending radius measuring device, which comprises a standard distance measuring rod with the length of meter and used as a chord length measuring reference of two points; the detection device is vertically arranged on the center line of the standard distance measuring rod and is used for measuring the distance between the center of the guide rod and the inner side of the bent rail; the folding type extension handle is connected with the standard distance measuring rod through a 90-degree resistance hinge, forms a perpendicularity angle with the detection device during installation and is used for achieving single-person and single-hand measurement, and the track bending radius measuring device is convenient and efficient in measurement, safe, reliable, wide in application range, simple in structure, low in cost and suitable for popularization and application. The service life of equipment can be prolonged; and the transportation safety is improved.

The application provides a main bearing bushing interference amount measuring device, which comprises a template base, a template cavity for placing the main bearing bushing, and first and second reference surfaces arranged on both sides of the top of the template cavity; a pressing assembly fixedly arranged on the first reference surface, which is used for positioning the first end surface of the main bearing bushing; a limiting force applying assembly fixedly connected to the template base and arranged on the second reference surface, which comprises a limiting assembly and a force applying piece, the limiting assembly is fixedly connected to the template base and arranged on the second reference surface, and the force applying piece is arranged in the limiting assembly and used for bearing the load of a pressing machine; and a measuring instrument connected to the pressing machine and used for measuring the interference amount of the second end surface of the main bearing bushing. The application realizes accurate and efficient measurement of the interference amount size tolerance of the main bearing bushing.