RU2645583C1 - Axial electromechanical brake - Google Patents

Abstract

FIELD: railway transport.

SUBSTANCE: invention refers to the field of railway transport, in particular to the brake devices of railway vehicles. Axial electromechanical brake contains axial poles, made on the axis of the wheel pair of magnetic material, the electromagnet that is fixed on the frame of the bogie, consisting of the electromagnetic winding wound around the core, at the ends of which the electromagnetic poles are split into two or more electromagnetic poles, which are placed with the minimum working air gap above the axle poles. On both sides of the electromagnetic pole, the position sensors of the axial poles are arranged along the circumference. Sensors are connected by their outputs to the inputs of the control device, which connected by its output to the input of the switching device, which connects the coil of the electromagnet to the power source. Output of braking mode activation command source is connected to the other input of control device. Latch is attached to the frame of the bogie.

EFFECT: increased braking force and the elimination of the consumption of electric power, when the vehicle is stationary, are achieved.

1 cl, 8 dwg

Description

The invention relates to braking devices in mobile railway vehicles.

An analogue of the claimed invention is a well-known disk brake of a railway vehicle, containing tick-borne mechanisms connected to the supports of the trolley frame, a brake cylinder, the rod of which is connected to the brake linings through traction and tick-borne mechanisms, as well as brake discs mounted on the axle of the wheel pair and placed between the brake linings (RF patent No. 2264940, B61H 5/00, filed March 31, 2004). The disadvantage of this analogue is the high degree of wear of the brake linings and brake disc. In addition, significant costs are spent on frequent maintenance and non-destructive testing of parts of a tribocouple of disk brakes, including brake linings and brake discs.

The prototype of the claimed invention is a well-known disk electromechanical brake (RF Patent No. 2450940, B60L 7/24, filed January 12, 2011), comprising poles made on the axis of a wheel pair of magnetic material, oriented radially in a plane perpendicular to the axis of rotation of the wheel pair. An electromagnet is placed above the poles of the axis of the wheelset, the poles of the core of which with a minimum working air gap are parallel to the planes of the poles of the wheelset axis. Along the circumference next to the poles of the electromagnet are position sensors of the poles of the axis of the wheelset. By means of a switching device, the operation of the electromagnet is controlled by a control device connected by its inputs to the outputs of the position sensors of the wheelset axis poles and the output of the braking command source, and by the output, to the input of the switching device connecting the electromagnet winding to the power source. This technical solution differs from the analogue in the elimination of friction of the brake elements with the brake disc. However, the disadvantage is the insufficient amount of braking force and power consumption when the vehicle is stationary.

The aim of the invention is to increase the braking force generated by the axial electromechanical brake, and the exclusion of electricity consumption when the vehicle is stationary.

To achieve this goal, the electromagnetic poles of the axial electromechanical brake are split into two or more electromagnetic poles, and a latch containing a pin is attached to the cart frame, next to the axial poles.

The accompanying drawings depict:

FIG. 1 is a front view of an axial electromechanical brake;

FIG. 2 is a side view of an axial electromechanical brake;

FIG. 3 is a front view of an electromagnet;

FIG. 4 is a sectional view of an electromagnet AA in FIG. 3;

FIG. 5 is a front view of an axis 1 with axial poles 2;

FIG. 6 is a side view of an axis 1 with axial poles 2;

FIG. 7 is a front view of the latch;

FIG. 8 is a side view of the latch.

The list of elements in the attached drawings:

1 - axis;

2 - axial poles;

3 - electromagnetic poles;

4 - core;

5 - electromagnetic winding;

6 - sensors;

7 - a clamp;

8 - pin.

The axial electromechanical brake (see Fig. 1 and Fig. 2) consists of axial poles 2 made on the axle 1 of the wheelset (see Fig. 5 and Fig. 6), an electromagnet including electromagnetic poles 3, core 4 and electromagnetic winding 5 (see Fig. 3 and Fig. 4), sensors 6, determining the position of the axial pole 2 relative to them, and a latch 7 containing a pin 8 (see Fig. 7 and Fig. 8);

In FIG. 1 is a front view of an axial electromechanical brake with an electromagnet, axial poles 2 on an axis 1, sensors 6, and a latch 7 containing a pin 8. FIG. 2 is a side view of an axial electromechanical brake. In FIG. 3 is a front view of an electromagnet. In FIG. 4 is a sectional view of an electromagnet AA in FIG. 3, in which the electromagnetic poles 3, the core 4 and the electromagnetic coil 5 are visible. FIG. 5 is a front view of an axis 1 with axial poles 2. In FIG. 6 is a side view of an axis 1 with axial poles 2. In FIG. 7 is a front view of a latch 7 containing a movable pin 8. In FIG. 8 is a side view of a latch 7 containing a movable pin 8.

The braking force is created by the interaction of the electromagnetic poles 3 with the axial poles 2 when the electromagnetic winding 5 is connected to a power source. In contrast to the prototype, not one axial pole 2 with two electromagnetic poles 3 is simultaneously used to create braking force, but three axial poles 2 with six electromagnetic poles 3 are involved at once, which allows to increase the braking force accordingly. After stopping the rotation of the axis 1 completely, the latch 7 (see Fig. 1) pushes the pin 8 into the space between the axial poles 2 and thereby prevents the rotation of the axis 1. Then, in order to save energy, the axial electromechanical brake of the vehicle can be deenergized.

Claims (1)

An axial electromechanical brake, in which axial poles are made on the wheelset of magnetic material made of magnetic material, an electromagnet is mounted on the carriage frame, consisting of an electromagnetic winding wound around a core, at the ends of which are made electromagnetic poles placed with a minimum working air gap above the axial poles, and on both sides of the electromagnetic pole around the circumference are position sensors of the poles of the axis of the wheelset, connected by their outputs to the inputs of the control device connected to the output with the input of the switching device connecting the winding of the electromagnet to the power source, the output of the source of the brake mode enable command is connected to another input of the control device, characterized in that the electromagnetic poles are split into two or more electromagnetic poles, attached to the cart frame next to the axial poles a retainer containing a pin.

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