RU226556U1 - Mobile device for measuring the resistance of the armature winding of a commutator electric motor - Google Patents

Abstract

The utility model can be used in repair and technological sections of distances to measure the resistance of the armature winding of a pointer electric motor. The technical result of the claimed utility model consists in the mobility of the measuring device and in increasing the service life of the armature of a pointer electric motor. A mobile device for measuring the resistance of the armature winding of a commutator electric motor, made in a structural unit, contains a platform with covers fixed on it with upper and lower groups of contacts fixed on one of the covers, including a stop-limiter for the upper group of contacts, a measurement mode switch and a terminal block for connecting a measuring device.

Description

The utility model can be used in repair and technological sections of distances to measure the resistance of the armature winding of a pointer electric motor.

State of the art

The invention known from the prior art is a “stand for testing electric drives of turnouts”, containing a control and display panel connected to a controller, a personal computer, a hydraulic load device mechanically connected to the electric drive being tested (RF patent No. 2750306, priority date 11/12/2020). The disadvantage of this stand is its large overall dimensions, which makes it difficult to check the pointer motor near its location.

Using the proposed utility model, it is possible to measure the resistance of the armature winding of a pointer electric motor.

Disclosure of the essence of the utility model

The technical result of the claimed utility model consists in the mobility of the measuring device and in increasing the service life of the armature of a pointer electric motor.

To measure the resistance of the armature windings, the device is equipped with a connector for connecting a measuring device that reads readings from the upper and lower groups of contacts. To optimize the measurement process, the device is equipped with a measurement mode switch between the upper and lower group of contacts.

Measuring using the device eliminates damage to the surface of the commutator plates, compared to manual measurements with probes. This will increase the service life of the pointer motor armature and minimize the risk of incidents resulting in failure of signaling, centralization and blocking devices.

Brief description of drawings

The claimed utility model is illustrated by a drawing, which shows the following:

Fig. 1-Top view showing the location of controls and measurements.

Fig. 2 - View from inside the front cover with controls. The following elements are designated by positions in the drawings:

1 - platform for placing the device,

2 - cover from an electric motor of the MSP type (DC pointer motor),

3 - upper group of contacts,

4 - lower group of contacts,

5 - stop-limiter for the upper group of contacts,

6 - measurement mode switch,

7 - terminal block for connecting a measuring device.

Implementation of a utility model

A mobile device for measuring the resistance of the armature winding of a commutator electric motor, made in a structural unit, contains a platform with covers fixed on it with upper and lower groups of contacts fixed on one of the covers, including a stop-limiter for the upper group of contacts. The mobile device also contains a measurement mode switch and a terminal block for connecting a measuring device.

To carry out measurements, the armature being tested is installed in a mobile device on covers from an electric motor of the MSP type (2), resting on the platform (1), so that the collector is located between the lower (4) and upper (3) group of contacts, including a stop-limiter for upper group of contacts (5). By manually turning the motor armature using the measurement mode switch (6), readings are taken from the measuring device connected through the terminal block (7). We compare the obtained measurement results with acceptable standards and tolerances.

Example

The declared “Mobile device for measuring the resistance of the armature winding of a commutator electric motor” has the following characteristics:

length - 299 mm;

width - 233 mm;

height - 126 mm.

Claims (1)

A mobile device for measuring the resistance of the armature winding of a commutator electric motor, made in a structural unit, contains a platform with covers fixed on it with upper and lower groups of contacts fixed on one of the covers, including a stop-limiter for the upper group of contacts, a measurement mode switch and a terminal block for connecting a measuring device.