CN210443782U

CN210443782U - Central current collector for current transmission

Info

Publication number: CN210443782U
Application number: CN201921725712.4U
Authority: CN
Inventors: 张蓬源
Original assignee: Jiangsu Heyuan Gangli Equipment Co Ltd
Current assignee: Jiangsu Heyuan Gangli Equipment Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-05-01
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to a central current collector for current transmission, which comprises a base, a rotating shaft supported on the base and a plurality of groups of slip ring carbon brush mechanisms for current transmission; the slip ring carbon brush mechanism comprises a slip ring fixedly arranged on the rotating shaft, a plurality of carbon brush supporting rods fixedly arranged on the base and a plurality of groups of carbon brush devices fixedly arranged on the carbon brush supporting rods, wherein the carbon brush supporting rods are uniformly distributed outside the circumference of the slip ring, and carbon brushes of the carbon brush devices are abutted against the outer wall of the slip ring; the carbon brush device comprises a carbon brush, a carbon brush holder fixedly installed on a carbon brush supporting rod and a carbon brush box used for installing the carbon brush, wherein the end, far away from the slip ring, of the carbon brush box is fixedly installed on the carbon brush holder through a bolt, a sliding column is arranged below the end, close to the slip ring, of the carbon brush box, a sliding groove for the sliding column to slide along is formed in the brush holder, and the sliding groove is an arc-shaped groove. The utility model discloses be convenient for adjust the position of carbon brush to change the area of contact between sliding ring and the carbon brush, guarantee that current transmission is smooth and easy.

Description

Central current collector for current transmission

Technical Field

The utility model relates to a central current collector that current transmission used.

Background

The central current collector is a rotating part on a fixed shaft to transmit electric power, and a large current is transmitted to the slip ring through the carbon brush, so that the maximum surface contact and stable current are ensured, and the constant contact between the carbon brush and the slip ring is ensured.

The center current collector realizes the transmission of electric current through slip ring carbon brush mechanism, and the carbon brush box of installation carbon brush all is fixed mounting on carbon brush frame now, and machining error, assembly error when great will result in carbon brush and slip ring not too match, and area of contact between the two is less sometimes, can cause the electric current to carry unsmoothly, and can do corresponding adjustment relatively.

SUMMERY OF THE UTILITY MODEL

The utility model provides a simple structure guarantees to have sufficient area of contact's central current collector for power transmission current between carbon brush and the sliding ring.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the central current collector for transmitting current comprises a base, a rotating shaft supported on the base and a plurality of groups of slip ring carbon brush mechanisms for transmitting current;

the slip ring carbon brush mechanism comprises a slip ring fixedly arranged on the rotating shaft, a plurality of carbon brush supporting rods fixedly arranged on the base and a plurality of groups of carbon brush devices fixedly arranged on the carbon brush supporting rods, wherein the carbon brush supporting rods are uniformly distributed outside the circumference of the slip ring, and carbon brushes of the carbon brush devices are abutted against the outer wall of the slip ring;

the carbon brush device comprises a carbon brush, a carbon brush holder fixedly installed on a carbon brush supporting rod and a carbon brush box used for installing the carbon brush, wherein the end, far away from the slip ring, of the carbon brush box is fixedly installed on the carbon brush holder through a bolt, a sliding column is arranged below the end, close to the slip ring, of the carbon brush box, a sliding groove for the sliding column to slide along is formed in the brush holder, and the sliding groove is an arc-shaped groove.

Wherein, the tip of traveller is provided with exposed ball, offers the constant head tank of a plurality of and ball matched with on the spout.

Wherein, set up in the traveller and install first spring, the one end of first spring supports and leans on in the ball, and the other end supports and leans on in the carbon brush frame.

Wherein, the sliding column is connected with the carbon brush box in a threaded manner.

Wherein, install in the carbon brush box and make the carbon brush support against the second spring in the sliding ring outer wall all the time, one end of second spring supports against in the carbon brush, and the other end supports against in the depression bar of installing on the carbon brush box.

Wherein, the compression bar is connected outside the carbon brush box in a threaded manner.

Wherein, the end of the pressure lever exposed outside the carbon brush box is provided with a straight groove.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a unscrewing bolt is stirring the slide bar and is following the spout and slide to the position of adjustment carbon brush, thereby change the area of contact between sliding ring and the carbon brush, it is smooth and easy to guarantee current transmission.

Drawings

Fig. 1 is a schematic perspective view of a central current collector for current transmission according to the present invention.

Fig. 2 is a schematic structural diagram of a slip ring carbon brush mechanism of the center current collector of the present invention.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is a schematic structural diagram of a carbon brush holder of the center current collector of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1, the central current collector for current transmission of the present invention includes a base 1, a rotating shaft 2 supported on the base 1, and a plurality of sets of slip ring and carbon brush mechanisms for current transmission.

As shown in fig. 2, the slip ring and carbon brush mechanism includes a slip ring 3 fixedly mounted on the rotating shaft 2, a plurality of carbon brush support rods 4 fixedly mounted on the base 1, and a plurality of groups of carbon brush devices fixedly mounted on the carbon brush support rods 4, wherein the carbon brush support rods 4 are uniformly distributed outside the circumference of the slip ring 3, and carbon brushes 51 of the carbon brush devices are abutted against the outer wall of the slip ring 3.

As shown in fig. 3 and 4, the carbon brush apparatus includes a carbon brush 51, a carbon brush holder 52 fixedly mounted on a carbon brush support rod 4, and a carbon brush box 53 for mounting the carbon brush 51, wherein an end of the carbon brush box 53 away from the slip ring 3 is fixedly mounted on the carbon brush holder 52 through a bolt 59, a sliding column 57 is disposed below an end close to the slip ring 3, a sliding slot 521 along which the sliding column 57 slides is formed in the brush holder 52, the sliding slot 521 is an arc-shaped slot taking an axis of a mounting hole of the carbon brush holder on which the bolt is mounted as a center of a circle, and the position of the carbon brush is adjusted by rotating the carbon brush holder around the bolt, so as to adjust an optimal matching position between the carbon brush and the slip ring; when the adjustment is carried out, the bolt is loosened firstly, then the carbon brush box is rotated for adjustment, and after the adjustment is carried out, the bolt is screwed.

The end of the sliding column 57 is provided with an exposed ball 58, the sliding groove 521 is provided with a plurality of positioning grooves 522 matched with the ball 58, the sliding column 57 is internally provided with a first spring 54, one end of the first spring 54 abuts against the ball 58, and the other end of the first spring abuts against the carbon brush holder 52. The ball rolls into the positioning groove to position the carbon brush box, so that the carbon brush box is prevented from rotating randomly, and the carbon brush and the slip ring are ensured to be matched with each other at the optimal position to transmit current.

The sliding column 57 is in threaded connection with the carbon brush box 53, so that the installation of the sliding column is convenient, and the loading of a ball and a spring is also convenient; the end of the spool is provided with a retaining ring 58 having an inner diameter less than the diameter of the balls so that the balls extend out of the spool but do not slip out of the spool.

The carbon brush box 53 is provided with a second spring 55, one end of the second spring 55 is abutted against the carbon brush 51, the other end of the second spring is abutted against a pressure lever 56 arranged on the carbon brush box 53, and the second spring enables the carbon brush 51 to be always abutted against the outer wall of the slip ring 3, so that the effect of the second spring is ensured.

The pressing rod 56 is screwed to the outside of the carbon brush case 53, and the elasticity of the spring is adjusted by rotating the pressing rod.

The end of the pressing rod 56 exposed outside the carbon brush box 53 is formed with a straight groove 561 for the user to drive the pressing rod and rotate the pressing rod to adjust the elasticity of the spring.

Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A central current collector for carrying current, comprising: the central current collector comprises a base (1), a rotating shaft (2) supported on the base (1) and a plurality of groups of slip ring carbon brush mechanisms for transmitting current;

the slip ring carbon brush mechanism comprises a slip ring (3) fixedly installed on the rotating shaft (2), a plurality of carbon brush supporting rods (4) fixedly installed on the base (1) and a plurality of groups of carbon brush devices fixedly installed on the carbon brush supporting rods (4), wherein the carbon brush supporting rods (4) are uniformly distributed outside the circumference of the slip ring (3), and carbon brushes (51) of the carbon brush devices are abutted against the outer wall of the slip ring (3);

the carbon brush device comprises a carbon brush (51), a carbon brush frame (52) fixedly installed on a carbon brush supporting rod (4), and a carbon brush box (53) used for installing the carbon brush (51), wherein the end, far away from the slip ring (3), of the carbon brush box (53) is fixedly installed on the carbon brush frame (52) through a bolt, a sliding column (57) is arranged below the end, close to the slip ring (3), of the slip ring (3), a sliding groove (521) for the sliding column (57) to slide along is formed in the brush frame (52), and the sliding groove (521) is an arc-shaped groove.

2. The current collector of claim 1, wherein the end of the sliding post (57) is provided with an exposed ball (58), and the sliding groove (521) is provided with a plurality of positioning grooves (522) matched with the ball (58).

3. The current collector according to claim 2, wherein a first spring (54) is mounted in the sliding column (57), one end of the first spring (54) abuts against the ball (58) and the other end abuts against the carbon brush holder (52).

4. Center current collector for transporting electric current according to claim 1 or 2, characterized in that the slide (57) is screwed to the carbon brush box (53).

5. The current collector according to claim 1, wherein a second spring (55) is mounted in the carbon brush box (53) to keep the carbon brush (51) always against the outer wall of the slip ring (3), one end of the second spring (55) abuts against the carbon brush (51), and the other end abuts against a pressure rod (56) mounted on the carbon brush box (53).

6. The current-carrying central current collector according to claim 5, wherein the pressure rod (56) is screwed to the outside of the carbon brush case (53).

7. The current collector as claimed in claim 6, wherein the end of the pressure bar (56) exposed outside the carbon brush box (53) is formed with a slot (561).