SU396621A1 - AUTOMATIC MACHINE FOR ULTRASOUND CONTROL DISCS - Google Patents

Description

one

Known settings for automatic disk monitoring.

However, these settings do not allow the entire disk to be controlled at a constant maximum speed, since the rotating table, on which the controlled disk is fixed, has a constant rotation speed.

The proposed automaton differs from the known ones in that there is a control circuit included in the drive of the engine and consisting of angle sensors connected in series, comparator, executive converter connected on the one side to the engine, on the other - mechanically connected via an angle sensor axis of rotation of the scanning lever.

In addition, a speed sensor mechanically coupled to the motor shaft is connected to the reference device.

This makes it possible to ensure the maximum linear speed of the search head relative to the disk, regardless of its location from the center of rotation, and to stabilize the rotational speed of the engine.

In the drawing. Image of the proposed machine.

The machine contains a motor 7 / gears 2. And 3, a rotating table, 4 on which a controlled disk 5 is placed, an angular velocity sensor 7, a comparison device 5, an executive converter 9, a scanning lever 10, pivotally connected in the plane of the drawing with the axis of rotation //, seeker head 12, nipple 13 for

hose from the autonomous oil supply system, ultrasonic gegner with display unit 14 and power and switching unit 15.

After installing the controlled disk 5 on the rotating table 4 power supply and

switching 15 turns on the engine.

The rotation of the engine is transmitted through the transfer gear 2 rotating table and through transfer gear 5 of the axis of rotation, which is hinged (in the drawing plane) connected to the scanning lever 10. In a horizontal plane, the axis of rotation 11 transmits the rotation to the scanning lever 10, on which the search head 12 is fixed.

Ultrasonic generator and display unit 14 provide sounding of the controlled disk 5 and recording the results. Through pipe 13 from the autonomous system, oil is supplied, which is used as a contact liquid. The signals of the angle sensor 6 and the speed sensor 7 are fed to the comparison device 8. The difference of these signals from the output of the comparison device 8 is fed to the input of the executive converter 9 and then to

engine for testing.

Thus, the voltage of the angle sensor 6 determines the speed of the motor and the rotating table 4 depending on where the search head 12 is located relative to the center of the disk to be monitored 5. The signal of the speed sensor 7 introduced into the comparison device 8 together with the signal of the angle sensor 6 It serves to stabilize the engine speed, which is especially necessary at low engine speeds. The machine can be built into the production line.

Subject invention

Claims (2)

1. An ultrasonic disk inspection machine containing a motor, gears, a rotary table, a search head with a scanning lever, an ultrasonic generator and a display unit, characterized in that, in order to ensure the maximum allowable linear speed of the search head relative to the disk, regardless of whether its from the center of rotation, a control circuit is included in the drive of the engine, consisting of series-connected angle sensors, a comparison device, an actuating transducer, on the one hand, to the engine, and on the other - by mechanically associated with the scanning angle sensor lever pivot axis. 2. An automaton according to claim 1, characterized in that, in order to stabilize the rotational speed of the engine, a speed sensor mechanically connected to the engine shaft is connected to the comparison device. tilt