SU120011A1 - Device for controlling the kinematic error of spur gears in single profile gearing - Google Patents

Description

Instruments for controlling spur gears in single-profile gearing by the indicator fixed axial movement of the floating element coupled to the wheel being checked are known. These devices are structurally complex and require their own reference wheel to control the wheels of each given module and diameter.

A distinctive feature of the proposed instrument is the use of a reference screw that receives rotation as a floating element coupled to a wheel being checked. Such an embodiment of the device provides improved control accuracy and the ability to control wheels of different diameters of this module.

The guide carriage 4 is moved along the guides of the base 1 (see drawing) with the help of the screw 2 and the crank 3.

This wheel is brought into engagement with the reference screw 7. Between the axles of the wheel 6 and the screw 7, the nominal center distance is established on the base plate and the nonius placed on the base as well as on the moving carriage.

The roller of the screw 7 is located in the support of the cage 8. The screw is driven into rotation by means of a gear pair 9, 10 or a belt drive from the engine}.

Depending on the profile to be tested, the reference screw to 7 can be switched to the right or left position by means of springs 12. The clamp 8, depending on the elevation angle of the screw line of the screw 7, can be set using the gear pair 13, 14 and the crank 15 to the desired angle fixed by the reading device 16 with the nonius.

The kinematic error of the wheel being tested, compensated for by axial floating of the reference screw, is fixed by the indicators / 7. At the same time, depending on the profile being checked, only one indicator works, and the second one is not taken into account.

If the accuracy of the readings of the indicators is insufficient, then the head of the minimeter can be used instead, and with even greater accuracy, an inductive or photoelectric sensor.

Subject invention

A device for controlling the kinematic error of spur gears in single profile gearing by axial movement of a floating element coupled to a checked gear, characterized in that, in order to increase the accuracy of control and the ability to control wheels of different diameters of a given module, as a floating element coupled with checked wheel, applied the reference rotational worm to.