Positioning method and device suitable for worm gear radial runout measurement

Abstract

The invention discloses a positioning method suitable for worm wheel radial runout measurement. The method comprises the following steps that S10, a positioning column is sleeved with a worm wheel needing to be measured, the lower end face of the worm wheel makes contact with and is attached to the plane of the bottom of the positioning column, and a gear ring on the surface of the worm wheel is meshed with a thread on a standard worm; and S20, the positioning column is sleeved with a positioning sleeve, the positioning sleeve is arranged above the worm wheel, the lower end face of the positioning sleeve is a conical end face, the conical end face is clamped on the upper end face of the worm wheel, and the worm wheel is axially positioned and radially positioned. In addition, a detection device suitable for worm wheel radial runout measurement comprises a base, and a movable positioning seat is arranged on the base. According to the positioning method and the matched detection device,by changing the locking mode of the worm wheel, radial and axial double locking can be conveniently conducted on the worm wheel, the operation is convenient, and the detection precision is high; meanwhile, a locking mechanism is novel in structure and is matched with the positioning sleeve to lock the worm wheel, and damage to a sinking gear ring on the end face of the worm wheel is small.

Description

technical field [0001] The invention belongs to the technical field of worm wheel radial runout measurement, and in particular relates to a positioning method suitable for worm wheel radial runout measurement, and at the same time, the invention also relates to a detection device suitable for worm wheel radial runout measurement. Background technique [0002] The worm gear is a kind of hardware that is widely used. It generally works with the worm. The worm gear structure is often used to transmit the motion and power between two interlaced shafts. The worm gear and the worm are equivalent to the gear and the rack in the middle plane. Similar in shape to a worm. [0003] For worm gears used in precision occasions, whether the size and depth of the ring gear on the surface are in compliance will have a great impact on the product quality of the worm gear. At present, before the finished worm gear leaves the factory, it is necessary to perform a radial runout test on the surf...

AI Technical Summary

Problems solved by technology

[0004] When measuring the radial runout of the worm gear, it is necessary to put the worm gear on the positioning column. Since the worm wheel needs to rotate during the measurement, there is a certain gap between the worm wheel and the positioning column, but at the same time, due to the existence of the gap, the diameter of the worm wheel It is difficult to locate in the direction. During the detection process, the worm wheel is prone to radial movement, which seriously affects the measurement accuracy of radial runout.

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