Traction generator electric brush grinding machine

Abstract

The utility model discloses a traction generator electric brush grinding machine which comprises a base, an inverted-L-shaped baffle I and an inverted-L-shaped baffle II. A motor is arranged on a supporting seat. Brush carriers are detachably connected to the two ends of a horizontal plate of the baffle I, and a speed regulation controller is arranged on a vertical plate of the baffle I; two ends of the connecting shaft are fixedly connected with grinding discs, and the middle position of the connecting shaft is fixedly connected with a belt pulley I; the output end of the motor is connected with a belt pulley II, the axes of the belt pulley II and the belt pulley I are located on the same vertical line, and the belt pulley I and the belt pulley II are connected through a V-shaped belt; the brush carrier is close to the outer edge of the central horizontal line of the grinding disc and used for preventing the electric brush, the electric brush is ground through the grinding disc, and the electric brush grinding device is convenient to operate, time-saving, labor-saving and high in grinding efficiency.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the traction generator brush technical field, specifically points to the traction generator brush grinder. BACKGROUND

[0002] The traction generator of the diesel locomotive in the railway depot adopts the synchronous traction generator with the rated rotating speed of 1000r / min, and the generator brush needs to be replaced regularly due to the loss in the use process; according to the requirements of the railway technical regulations, the contact area of the brush and the slip ring must be not less than 80% to avoid the contact resistance between the brush and the slip ring being too large due to the too small contact area, the contact surface being heated, the temperature of the slip ring being too high, and the generator being reduced in load or even burned out. Therefore, a plurality of sets of already ground brushes must be prepared as daily maintenance spare parts. Usually when the motor is stopped, the carbon brush is manually ground, the sandpaper is attached to the surface of the slip ring to grind the brush, and the operation is not only inconvenient, but also time-consuming and labor-consuming, and the efficiency is low. CONTENT

[0003] The utility model discloses a traction generator brush grinder, convenient operation, save time and effort, and high grinding efficiency.

[0004] In order to achieve the above object, the utility model traction generator brush grinder, including the base, the two opposite sides of base symmetry fixed vertical connection have two supports, the top of two supports fixed connection inverted L type baffle I, baffle II, baffle I, baffle II respectively by horizontal plate and vertical plate are formed, the bottom plate is fixedly connected between the other two opposite sides of base, one end of bottom plate is connected with support seat, and motor is arranged on support seat, the horizontal plate of baffle I is detachably connected with the brush holder, and the vertical plate of baffle I is provided with a speed controller, the two supports are connected with the connecting rod, the connecting rod is fixedly connected with the arc-shaped support frame in the middle position, the bearing is arranged on the support frame, and the two bearings are connected through the connecting shaft, the connecting shaft is fixedly connected with the grinding disc at both ends, and the belt pulley I is fixedly connected in the middle position of the connecting shaft, the output end of motor is connected with the belt pulley II, the shaft centers of belt pulley II and belt pulley I are on the same vertical line, and the belt pulley I and the belt pulley II are connected through the V-shaped belt, and the brush holder is close to the outer edge of the horizontal line of the center of the grinding disc.

[0005] As a further scheme of the utility model: the brush holder is connected with the horizontal plate of baffle I through bolts.

[0006] As a further scheme of the utility model: the brush holder is used to place the brush.

[0007] As a further scheme of the utility model: the speed controller is electrically connected with the motor, and the speed controller is also electrically connected with the power supply.

[0008] As a further scheme of the present utility model: the speed controller is an infinitely variable speed controller.

[0009] Compared with the prior art, the present utility model has the following advantages: the motor drives the belt pulley II to rotate, the belt drives the belt pulley I to rotate, the belt pulley I drives the connecting shaft to rotate, thereby the grinding disc rotates, the brush is put into the brush holder, the position of the brush holder is adjusted, the brush is in close contact with the grinding disc, the motor is started to adjust the rotating speed, the rotating grinding disc grinds the brush, two brush holders are provided, two brushes can be simultaneously ground, the grinding efficiency is improved, the operation is convenient, time and labor are saved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 is a perspective structural schematic view of the traction generator brush grinder of the present utility model.

[0011] Fig. 2 is a planar side view of the traction generator brush grinder of the present utility model.

[0012] In the drawing: 1, base, 2, support, 3, speed controller, 4, baffle I, 5, brush holder, 6, support frame, 7, grinding disc, 8, bearing, 9, belt pulley I, 10, connecting shaft, 11, baffle II, 12, motor, 13, support seat, 14, belt pulley II. DETAILED DESCRIPTION

[0013] The present utility model will be further described below in combination with the drawings.

[0014] For example, Figs. 1-2As shown, the traction generator brush grinder comprises a base 1, two supports 2 are symmetrically fixed on opposite sides of the base 1 and connected vertically, the top ends of the two supports 2 are fixedly connected with inverted L-shaped baffle I 4 and baffle II 11, the baffle I 4 and the baffle II 11 are respectively composed of a horizontal plate and a vertical plate; a bottom plate is fixedly connected between the other two opposite sides of the base 1, one end of the bottom plate is connected with a support seat 13, and a motor 12 is arranged on the support seat 13; the two ends of the horizontal plate of the baffle I 4 are detachably connected with a brush holder 5, and a speed regulator 3 is arranged at the middle part of the vertical plate of the baffle I 4; a connecting rod is connected between the two supports 2 which are symmetrical to each other, an arc-shaped support frame 6 is fixedly connected to the middle position of the connecting rod, a bearing 8 is arranged on the support frame 6, and the two bearings 8 are connected through a connecting shaft 10, the two ends of the connecting shaft 10 are fixedly connected with a grinding disc 7, and a belt pulley I 9 is fixedly connected to the middle position of the connecting shaft 10; a belt pulley II 14 is connected to the output end of the motor 12, the shaft centers of the belt pulley II 14 and the belt pulley I 9 are on the same vertical line, the belt pulley I 9 and the belt pulley II 14 are connected through a V-shaped belt (not shown in the figure), the belt pulley II 14 drives the belt pulley I 9 to rotate, so as to drive the grinding disc 7 to rotate; the brush holder 5 is close to the outer edge of the grinding disc 7, the brush to be ground is placed in the brush holder 5 and fixed, so that the center horizontal line of the brush is on the same straight line as the horizontal axis line of the grinding disc 7, and the grinding disc 7 rotates to grind the brush.

[0015] The brush holder 5 is connected with the horizontal plate of the baffle I 4 through bolts.

[0016] The speed regulator 3 is a stepless speed regulator, and the motor 12 is a speed-adjustable motor; the speed regulator 3 is used for controlling the rotating speed of the motor 12, so as to ensure that the grinding process is stable and reliable; the speed regulator 3 is electrically connected with the motor 12, and the speed regulator 3 is also electrically connected with a power supply.

[0017] The working process of the traction generator brush grinder is as follows: the rotating speed of the motor 12 is adjusted through the speed regulator 3, the brush is placed on the brush holder 5, the position of the brush relative to the grinding disc 7 is adjusted, and the brush is fixed; the motor 12 drives the belt pulley II 14 to rotate, drives the V-shaped belt to rotate, and drives the belt pulley I 9 to rotate through the V-shaped belt, and then drives the connecting shaft 10 to rotate, so that the grinding disc 7 rotates and grinds the brush. The traction generator brush grinder can grind two brushes at the same time, improves the grinding efficiency, is convenient to operate, and saves time and effort.

Claims

1. A traction generator brush grinding machine, comprising a base (1), characterized in that: Two brackets (2) are symmetrically fixed and vertically connected on two opposite sides of the base (1), and the top ends of the two brackets (2) are fixedly connected to an inverted L-shaped baffle I (4) and baffle II (11), and baffle I (4) and baffle II (11) are respectively composed of a horizontal plate and a vertical plate; a bottom plate is fixedly connected between the other two opposite sides of the base (1), and one end of the bottom plate is connected to a support seat (13), and a motor (12) is provided on the support seat (13); the two ends of the horizontal plate of the baffle I (4) are detachably connected to a brush holder (5), and the vertical plate of the baffle I (4) is provided with a speed controller (3); a connecting rod is connected between the two symmetrical brackets (2), and a connecting rod is fixedly connected to the middle position of the connecting rod. An arc-shaped support frame (6) is provided with a bearing (8) on the support frame (6), and two bearings (8) are connected via a connecting shaft (10), both ends of the connecting shaft (10) are fixedly connected to a grinding disc (7), and a pulley I (9) is fixedly connected to the middle position of the connecting shaft (10); the output end of the motor (12) is connected to a pulley II (14), the axes of the pulley II (14) and the pulley I (9) are on the same vertical line, and the pulley I (9) and the pulley II (14) are connected via a V-belt; the brush holder (5) is close to the outer edge of the horizontal line of the center of the grinding disc (7); the brush holder (5) is connected to the horizontal plate of the baffle I (4) via bolts, and the brush holder (5) is used to place the brush.

2. The traction generator brush grinding machine according to claim 1, characterized in that: The speed controller (3) is electrically connected to the motor (12), and the speed controller (3) is also electrically connected to a power supply.

3. The traction generator brush grinding machine according to claim 1 or 2, characterized in that: The speed controller (3) is a stepless speed controller.

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