Device for measuring crown distance of spiral bevel gear

The utility model relates to a device for measuring the crown distance of a spiral bevel gear. The device comprises a base body (1), a positioning block (3), an opening sleeve (4) and a locking bolt (2), the base body (1) is of a bent structure, one end of the base body (1) is located at the horizontal position, the included angle between the two ends of the base body (1) is complementary to the bevel angle of the bevel gear face to be detected, the positioning block (3) is a V-shaped positioning block, one end of the positioning block (3) is fixed to the horizontal end of the base body (1), and the other end of the base body (1) is provided with an opening sleeve (4). The locking bolt (2) is screwed on the end face of the other end of the base body (1), and the end face of the locking bolt (2) abuts against the periphery of the opening sleeve (4). According to the utility model, the detection efficiency is greatly improved, and the waiting time and the secondary clamping error are reduced. 本实用新型涉及一种螺旋锥齿轮轮冠距的