Special measuring tool of V -arrangement raceway

The utility model relates to a special measuring tool of V -arrangement raceway has solved present V -arrangement raceway and has adopted the not high problem of indirect measurement method measurement accuracy. Including slide caliper, special measuring jaw and checkpost, special measuring jaw is become by connecting block and the measurement ball set of connecting in the connecting block lower part, and fixed connection is at the lower extreme of two jack catchs of slide caliper respectively with the connecting block of two special measuring jaws for the checkpost, and special measuring jaw is fixed behind the lower extreme of two jack catchs of slide caliper, and the measurement ball of connection on it is located the inboard or the outside of connecting block simultaneously. The utility model discloses simple structure, convenient to use can carry out the precision measurement to the V -arrangement raceway. 本实用新型涉及种V形滚道的专用测量工具，解决了目前V形滚道采用间接测量方法测量精度不高的问题。包括游标卡尺、专用测爪和卡子，专用测爪由连接块和连接在连接块下部的测量球组成，卡子将两个专用测爪的连接块