CN214959182U

CN214959182U - Automatic carbon brush replacing device

Info

Publication number: CN214959182U
Application number: CN202121358014.2U
Authority: CN
Inventors: 沈聪
Original assignee: Shanghai Hudong Electric Carbon Co ltd
Current assignee: Shanghai Hudong Electric Carbon Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-30
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses an automatic device of changing of carbon brush, including the installation storehouse, the inside cavity in installation storehouse, and installation storehouse top, bottom and rear side closure, the hole has been seted up to the top in installation storehouse, the front side opening in installation storehouse, and the front side opening department in installation storehouse is provided with first apron and second apron, first mounting hole has been seted up to the bottom in installation storehouse, and first mounting hole department fixed mounting has hold-down mechanism, the rear side in installation storehouse is seted up and is equipped with the second mounting hole, and second mounting hole department fixed mounting has ejection mechanism. An automatic device of changing of carbon brush, through ejection mechanism and hold-down mechanism who sets up, can accomplish the change of carbon brush automatically, reduce the time that the carbon brush spent when changing, to a certain extent, improve whole production work efficiency, and overall structure is simple, convenient operation, the effect of use is better for traditional mode, brings better use prospect.

Description

Automatic carbon brush replacing device

Technical Field

The utility model relates to a carbon brush field, in particular to automatic device of changing of carbon brush.

Background

Carbon brushes, also called brushes, are widely used as a sliding contact in many electrical devices. The carbon brush mainly comprises graphite, impregnated graphite and metal (copper and silver) graphite in product application. The carbon brush is a device for transmitting energy or signals between a fixed part and a rotating part of a motor or a generator or other rotating machinery, is generally made of pure carbon and a coagulant, is generally square in shape, is clamped on a metal support, is tightly pressed on a rotating shaft by a spring, and transmits electric energy to a coil through a phase changer when the motor rotates.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an automatic replacement device for carbon brush, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic device of changing of carbon brush, includes the installation storehouse, the inside cavity in installation storehouse, and installation storehouse top, bottom and rear side closure, the hole of wearing has been seted up at the top in installation storehouse, the front side opening in installation storehouse, and the front side opening department in installation storehouse is provided with first apron and second apron, first mounting hole has been seted up to the bottom in installation storehouse, and first mounting hole department fixed mounting has hold-down mechanism, the rear side in installation storehouse is seted up and is equipped with the second mounting hole, and second mounting hole department fixed mounting has ejection mechanism.

Preferably, the pressing mechanism and the ejection mechanism have the same structure, the pressing mechanism and the ejection mechanism both comprise hollow cylinders, electromagnets are fixedly mounted inside the hollow cylinders, discs are arranged inside the hollow cylinders, and springs are arranged between the electromagnets and the discs.

Preferably, one side of the disc, which is far away from the electromagnet, is fixedly connected with a telescopic rod, one end of the hollow cylinder is provided with a through hole, the telescopic rod is coaxially aligned with the through hole, the outer diameter of the hollow cylinder is smaller than that of the through hole, and the outer diameter of the disc is larger than that of the through hole.

Preferably, one side fixed mounting that the second apron was kept away from to first apron has first hinge, first apron is through first hinge and installation storehouse swing joint, one side fixed mounting that the first apron was kept away from to the second apron has the second hinge, the second apron is through second hinge and installation storehouse swing joint.

Preferably, a first rectangular mounting groove is formed in one side, close to the second cover plate, of the first cover plate, a first magnetic block is fixedly mounted inside the first rectangular mounting groove, a second rectangular mounting groove is formed in one side, close to the first cover plate, of the second cover plate, and a second magnetic block is fixedly mounted inside the second rectangular mounting groove.

Preferably, a first torsion spring is fixedly installed in an included angle between the first cover plate and the installation bin, and a second torsion spring is fixedly installed in an included angle between the second cover plate and the installation bin.

Compared with the prior art, the utility model discloses following beneficial effect has: the carbon brush automatic replacing device comprises an ejection mechanism and a pressing mechanism which are arranged, the ejection mechanism and the pressing mechanism have the same composition structure, wherein, magnetic attraction is generated between an electromagnet and a disc after the electromagnet is electrified, the disc is enabled to move towards the direction of the electromagnet, a spring between the disc and the electromagnet is forced to contract and deform, an expansion rod contracts into a hollow cylinder, the magnetic attraction between the electromagnet and the disc disappears after the electromagnet is powered off, the spring automatically rebounds, the disc and the expansion rod are pushed to enable the expansion rod to extend, when the carbon brush is positioned in an installation bin, the expansion rod in the pressing mechanism is in an extension state to compress the carbon brush, the expansion rod in the ejection mechanism is in a contraction state, when the carbon brush is replaced, the expansion rod in the pressing mechanism is in a contraction state and does not compress the carbon brush any more, the expansion rod in the ejection mechanism is in an extension state to eject the carbon brush, and the first cover plate and the second cover plate are pushed away, the first cover plate and the second cover plate turn over towards the outside of the installation bin, the first torsion spring and the second torsion spring are stressed and deformed, the carbon brush reaches the outside of the installation bin to complete disassembly, at the moment, the first torsion spring and the second torsion spring automatically rebound to close the first cover plate and the second cover plate, when the carbon brush is replaced and reinstalled, the telescopic rod in the ejection mechanism is controlled to contract, the replaced carbon brush is pressed at the first cover plate and the second cover plate, the first cover plate and the second cover plate turn over towards the inside of the installation bin, the first torsion spring and the second torsion spring are stressed and deformed, the replaced carbon brush enters the installation bin through the first torsion spring and the second torsion spring to automatically rebound, the first cover plate and the second cover plate are closed, the telescopic rod in the pressing mechanism is controlled to extend to press the carbon brush, the carbon brush passes through the penetrating hole to be in contact with the rotating shaft to complete installation, the replacement of the carbon brush can be automatically completed, the time consumed in replacement of the carbon brush is reduced, to a certain extent, improve whole production work efficiency, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a front view of the automatic carbon brush replacing device of the present invention.

Fig. 2 is a rear view of the automatic carbon brush replacing device of the present invention.

Fig. 3 is a schematic structural view of a pressing mechanism in an automatic carbon brush replacement device of the present invention.

Fig. 4 is a schematic structural view of the installation bin, the first cover plate and the second cover plate in the automatic carbon brush replacing device of the present invention.

In the figure: 1. installing a bin; 2. a first cover plate; 3. a second cover plate; 4. a first hinge; 5. a second hinge; 6. a first magnetic block; 7. a second magnetic block; 8. a hold-down mechanism; 9. an ejection mechanism; 10. a hollow cylinder; 11. an electromagnet; 12. a spring; 13. a disc; 14. a telescopic rod; 15. a first torsion spring; 16. a second torsion spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an automatic carbon brush replacing device comprises an installation bin 1, wherein the installation bin 1 is hollow, the top and the bottom of the installation bin 1 are closed, a through hole is formed in the top of the installation bin 1, the front side of the installation bin 1 is open, a first cover plate 2 and a second cover plate 3 are arranged at the front side opening of the installation bin 1, a first installation hole is formed in the bottom of the installation bin 1, a pressing mechanism 8 is fixedly installed at the position of the first installation hole, a second installation hole is formed in the rear side of the installation bin 1, and an ejection mechanism 9 is fixedly installed at the position of the second installation hole.

Further, hold-down mechanism 8 is the same with ejection mechanism 9's component structure, all include hollow cylinder 10 in hold-down mechanism 8 and ejection mechanism 9's the structure, hollow cylinder 10's inside fixed mounting has electro-magnet 11, hollow cylinder 10's inside is provided with disc 13, be provided with spring 12 between electro-magnet 11 and the disc 13, produce magnetic attraction between electro-magnet 11 and the disc 13 after the circular telegram, make disc 13 towards the direction displacement of electro-magnet 11, spring 12 between the two is forced to contract and is out of shape, the magnetic attraction between electro-magnet 11 and disc 13 disappears after the outage, spring 12 is then automatic to kick-back, promote disc 13 towards the direction displacement of keeping away from electro-magnet 11.

Further, disc 13 keeps away from one side fixedly connected with telescopic link 14 of electro-magnet 11, the through-hole has been seted up to hollow cylinder 10's one end, telescopic link 14 and through-hole coaxial counterpoint, hollow cylinder 10's external diameter is less than the external diameter of through-hole, disc 13's external diameter is greater than the external diameter of through-hole, telescopic link 14 links with disc 13, disc 13 is carrying out displacement motion's in-process, telescopic link 14 follows it and carries out displacement motion in step, make telescopic link 14 can extend and contract the action.

Further, one side fixed mounting that second apron 3 was kept away from to first apron 2 has first hinge 4, and first apron 2 is through first hinge 4 and 1 swing joint in installation storehouse, and one side fixed mounting that first apron 2 was kept away from to second apron 3 has second hinge 5, and second apron 3 is through second hinge 5 and 1 swing joint in installation storehouse, makes first apron 2 and second apron 3 can normally open and shut.

Further, first rectangle mounting groove has been seted up to one side that first apron 2 is close to second apron 3, and the inside fixed mounting of first rectangle mounting groove has first magnetic path 6, second apron 3 has been close to one side of first apron 2 and has been seted up second rectangle mounting groove, and the inside fixed mounting of second rectangle mounting groove has second magnetic path 7, first magnetic path 6 is fixed with second magnetic path 7 magnetism, improve the fastening nature behind first apron 2 and the closed second apron 3, avoid the motor to produce the vibration at the operation in-process, lead to first apron 2 and second apron 3 to open.

Furthermore, a first torsion spring 15 is fixedly installed in an included angle between the first cover plate 2 and the installation bin 1, and a second torsion spring 16 is fixedly installed in an included angle between the second cover plate 3 and the installation bin 1, so that the first cover plate 2 and the second cover plate 3 can be automatically closed after being opened.

It should be noted that the present invention is an automatic carbon brush replacing device, the compressing mechanism 8 and the ejecting mechanism 9 in the automatic carbon brush replacing device have the same structure, in the structure, after the electromagnet 11 is powered on, magnetic attraction is generated between the electromagnet 11 and the disc 13, so that the disc 13 is displaced towards the electromagnet 11, the spring 12 between the electromagnet 11 and the disc is forced to contract and deform, the telescopic rod 14 is contracted into the hollow cylinder 10, after the electromagnet 11 is powered off, the magnetic attraction between the electromagnet 11 and the disc 13 disappears, the spring 12 rebounds automatically, so as to push the disc 13 and the telescopic rod 14, so that the telescopic rod 14 is extended, when the carbon brush is located inside the installation bin 1, the telescopic rod 14 in the compressing mechanism 8 is in an extended state, the carbon brush is compressed, the telescopic rod 14 in the ejecting mechanism 9 is in a contracted state, when the carbon brush is replaced, the telescopic rod 14 in the compressing mechanism 8 is in a contracted state, the carbon brush is not compressed, the telescopic rod 14 in the ejecting mechanism 9 is extended, ejecting the carbon brush, pushing the carbon brush to push the first cover plate 2 and the second cover plate 3 away, overturning the first cover plate 2 and the second cover plate 3 to the outside of the installation bin 1, enabling the first torsion spring 15 and the second torsion spring 16 to deform under stress, enabling the carbon brush to reach the outside of the installation bin 1, completing disassembly, enabling the first torsion spring 15 and the second torsion spring 16 to automatically rebound to close the first cover plate 2 and the second cover plate 3, controlling the telescopic rod 14 in the ejection mechanism 9 to shrink when the carbon brush is replaced and reinstalled, pressing the replaced carbon brush at the positions of the first cover plate 2 and the second cover plate 3, enabling the first cover plate 2 and the second cover plate 3 to overturn to the inside of the installation bin 1, enabling the first torsion spring 15 and the second torsion spring 16 to deform under stress, enabling the replaced carbon brush to automatically rebound after entering the inside of the installation bin 1 through pressing, enabling the first torsion spring 15 and the second torsion spring 16 to close the first cover plate 2 and the second cover plate 3, and controlling the telescopic rod 14 in the pressing mechanism 8 to extend, compress tightly the carbon brush, the carbon brush passes the exit hole and contacts with the pivot, accomplishes the installation, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic change device of carbon brush, includes installation storehouse (1), its characterized in that: the inside cavity of installation storehouse (1), and installation storehouse (1) top, bottom and rear side closure, the hole has been seted up at the top of installation storehouse (1) and has been worn out, the front side opening of installation storehouse (1), and the front side opening department of installation storehouse (1) is provided with first apron (2) and second apron (3), first mounting hole has been seted up to the bottom of installation storehouse (1), and first mounting hole department fixed mounting has hold-down mechanism (8), the rear side of installation storehouse (1) is seted up and is equipped with the second mounting hole, and second mounting hole department fixed mounting has ejection mechanism (9).

2. The automatic carbon brush replacement device according to claim 1, wherein: hold-down mechanism (8) are the same with ejection mechanism's (9) component structure, all include hollow cylinder (10) in hold-down mechanism's (8) and ejection mechanism's (9) structure, the inside fixed mounting of hollow cylinder (10) has electro-magnet (11), the inside of hollow cylinder (10) is provided with disc (13), be provided with spring (12) between electro-magnet (11) and disc (13).

3. The automatic carbon brush replacement device according to claim 2, wherein: disc (13) keep away from one side fixedly connected with telescopic link (14) of electro-magnet (11), the through-hole has been seted up to the one end of hollow cylinder (10), telescopic link (14) and through-hole coaxial counterpoint, the external diameter of hollow cylinder (10) is less than the external diameter of through-hole, the external diameter of disc (13) is greater than the external diameter of through-hole.

4. The automatic carbon brush replacement device according to claim 1, wherein: one side fixed mounting that second apron (3) were kept away from in first apron (2) has first hinge (4), first apron (2) are through first hinge (4) and installation storehouse (1) swing joint, one side fixed mounting that first apron (2) were kept away from in second apron (3) has second hinge (5), second apron (3) are through second hinge (5) and installation storehouse (1) swing joint.

5. The automatic carbon brush replacement device according to claim 4, wherein: first rectangle mounting groove has been seted up to one side that first apron (2) are close to second apron (3), and the inside fixed mounting of first rectangle mounting groove has first magnetic path (6), second apron (3) are close to one side of first apron (2) and have been seted up second rectangle mounting groove, and the inside fixed mounting of second rectangle mounting groove has second magnetic path (7).

6. The automatic carbon brush replacement device according to claim 5, wherein: the inner fixed mounting of the included angle between the first cover plate (2) and the installation bin (1) is provided with a first torsion spring (15), and the inner fixed mounting of the included angle between the second cover plate (3) and the installation bin (1) is provided with a second torsion spring (16).