CN210225191U

CN210225191U - Generator rotor grounding carbon brush

Info

Publication number: CN210225191U
Application number: CN201921271157.2U
Authority: CN
Inventors: Xiaofeng Yu; 俞晓峰; Zilin Li; 李子林; Chen Huang; 黄琛; Yi Han; 韩熠; Jianping Jiang; 江建平
Original assignee: CCCC Third Harbor Engineering Co Ltd
Current assignee: CCCC Third Harbor Engineering Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-03-31
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a generator rotor ground connection carbon brush, including first carbon brush, the bottom movable mounting of first carbon brush has the second carbon brush, one side fixed mounting of second carbon brush has the carbocycle, the inside movable mounting of carbocycle has the carbon post, top one side fixed position of first carbon brush installs the electric wire, the top opposite side fixed position of first carbon brush installs first wire and second wire, connector fixed connection is passed through to the one end of first wire and second wire, the one end fixed mounting of connector has the grounding lug, the cavity has been seted up to the inside of first carbon brush, the inside of cavity is equipped with the spring. A generator rotor ground connection carbon brush, can guarantee that the carbon brush can also contact with generator rotor after wearing and tearing, avoid contact failure's phenomenon, secondly can remind people to change after the carbon brush is worn and torn seriously, the practicality is better.

Description

Generator rotor grounding carbon brush

Technical Field

The utility model relates to a ground connection carbon brush field, in particular to generator rotor ground connection carbon brush.

Background

The carbon brush is mainly made of graphite, impregnated graphite and metal (copper and silver) graphite, and 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, and is generally made of pure carbon and a coagulant, and the shape of the carbon brush is generally a square; because of the carbon brush is direct contact generator rotor, consequently can produce great friction, easy wearing and tearing, lead to the condition with generator rotor contact failure easily after wearing and tearing, just need people manual regulation carbon brush position or change the carbon brush, the result of use price is poor, secondly can not remind people the carbon brush by the serious condition of wearing and tearing, the practicality is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a generator rotor ground connection carbon brush can effectively solve the problem in the background art.

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

a generator rotor grounding carbon brush comprises a first carbon brush, a second carbon brush is movably arranged at the bottom of the first carbon brush, one side of the second carbon brush is fixedly provided with a carbon ring, a carbon column is movably arranged in the carbon ring, an electric wire is fixedly arranged at one side of the top of the first carbon brush, a first lead and a second lead are fixedly arranged at the other side of the top of the first carbon brush, one end of the first lead and one end of the second lead are fixedly connected through a connector, one end of the connector is fixedly provided with a grounding piece, a cavity is arranged in the first carbon brush, a spring is arranged in the cavity, an active limiting block is fixedly arranged at one side of the top of the second carbon brush, a passive limiting block is fixedly installed at one side of the inside of the first carbon brush, and a pressure sensor is fixedly installed at the upper portion of the passive limiting block.

Preferably, one end of each carbon column is fixedly connected with the first carbon brush, and the number of the carbon columns and the number of the carbon rings are two.

Preferably, the electric wire is fixedly connected with the pressure sensor, and the number of the active limiting blocks and the number of the passive limiting blocks are two.

Preferably, one end of the spring is fixedly connected with the top of the cavity, and the other end of the spring is fixedly connected with the first carbon brush.

Preferably, the top of the first carbon brush is provided with a slope, and the bottom of the second carbon brush is provided with a chamfer.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in, second carbon brush through setting up, be connected with the spring through the cavity between second carbon brush and the first carbon brush, conflict the second carbon brush on generator rotor when people, the spring atress shrink, therefore the spring can continuously conflict second carbon brush contact generator rotor, can continue packing second carbon brush contact generator rotor equally after appearing wearing and tearing, excellent in use effect, pressure sensor through setting up, when the second carbon brush lasts when being worn and torn, the second carbon brush is drooping in the spring extrusion, when drooping and let initiative stopper and passive stopper contact down, the pressure sensor on the passive stopper will be oppressed to the initiative stopper, people can find pressure sensor through external display device and have received pressure, then it has been serious to represent the second carbon brush has been worn and torn, need change, the practicality is better.

Drawings

Fig. 1 is a schematic view of an overall structure of a generator rotor grounding carbon brush according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a first carbon brush of a generator rotor ground carbon brush according to the present invention;

fig. 3 is an enlarged view of a in fig. 2 of a generator rotor grounding carbon brush according to the present invention.

In the figure: 1. a first carbon brush; 2. a second carbon brush; 3. a carbocyclic ring; 4. a carbon column; 5. an electric wire; 6. a first conductive line; 7. a second conductive line; 8. a connector; 9. a ground plate; 10. a cavity; 11. a spring; 12. an active limiting block; 13. a passive stop block; 14. a pressure sensor.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, a generator rotor grounding carbon brush includes a first carbon brush 1, a second carbon brush 2 is movably installed at the bottom of the first carbon brush 1, a carbon ring 3 is fixedly installed at one side of the second carbon brush 2, a carbon post 4 is movably installed inside the carbon ring 3, an electric wire 5 is fixedly installed at one side of the top of the first carbon brush 1, a first wire 6 and a second wire 7 are fixedly installed at the other side of the top of the first carbon brush 1, one end of the first wire 6 and one end of the second wire 7 are fixedly connected through a connector 8, a grounding plate 9 is fixedly installed at one end of the connector 8, a cavity 10 is opened inside the first carbon brush 1, a spring 11 is provided inside the cavity 10, when a person pushes the second carbon brush 2 against the generator rotor, the spring 11 is contracted by a force, so that the spring 11 can continuously push the second carbon brush 2 to contact the generator rotor, after abrasion occurs, the second carbon brush 2 can be continuously packaged to contact with a generator rotor, the using effect is better, an active limiting block 12 is fixedly arranged at one side of the top of the second carbon brush 2, a passive limiting block 13 is fixedly arranged at one side of the inside of the first carbon brush 1, a pressure sensor 14 is fixedly arranged at the upper part of the passive limiting block 13, when the second carbon brush 2 is continuously abraded, the spring 11 extrudes the second carbon brush 2 to droop, when the active limiting block 12 is in contact with the passive limiting block 13, the active limiting block 12 can press the pressure sensor 14 on the passive limiting block 13, people can check that the pressure sensor 14 receives pressure through an external display device, the second carbon brush 2 is seriously abraded, and needs to be replaced, and the practicability is better;

one end of the carbon column 4 is fixedly connected with the first carbon brush 1, and the number of the carbon columns 4 and the number of the carbon rings 3 are two; the electric wire 5 is fixedly connected with the pressure sensor 14, and the number of the active limiting blocks 12 and the number of the passive limiting blocks 13 are two; one end of the spring 11 is fixedly connected with the top of the cavity 10, and the other end of the spring 11 is fixedly connected with the first carbon brush 1; the top of the first carbon brush 1 is provided with a slope, and the bottom of the second carbon brush 2 is provided with a chamfer.

It should be noted that, when the utility model is used, firstly, the electric wire 5 is connected to the external display device, then the whole generator rotor grounding carbon brush is installed on the generator, meanwhile, the second carbon brush 2 is abutted against the outside of the generator rotor, when the second carbon brush 2 is abutted against the outside of the generator rotor, the spring 11 in the cavity 10 is compressed under stress, so that the spring 11 continuously applies force to the second carbon brush 2, when the second carbon brush 2 is worn, the spring 11 can still abut against the second carbon brush 2 on the surface of the generator rotor, the effect of continuous contact is maintained, the phenomenon of poor contact is avoided, meanwhile, the carbon column 4 is fixed at the bottom of the first carbon brush 1, the carbon ring 3 is arranged between the carbon column and the second carbon brush 2, the guiding and fixing effects can be achieved, when the second carbon brush 2 is continuously worn, the spring 11 is abutted against the second carbon brush 2, consequently when second carbon brush 2 is worn and torn seriously, initiative stopper 12 contacts with passive stopper 13, so, initiative stopper 12 oppresses pressure sensor 14, and people can look over through outside display device and receive pressure, then represent that second carbon brush 2 is worn and torn seriously, need change, and it is more convenient to use.

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 a generator rotor ground connection carbon brush which characterized in that: the carbon brush comprises a first carbon brush (1), wherein a second carbon brush (2) is movably mounted at the bottom of the first carbon brush (1), a carbon ring (3) is fixedly mounted on one side of the second carbon brush (2), a carbon column (4) is movably mounted inside the carbon ring (3), an electric wire (5) is fixedly mounted on one side of the top of the first carbon brush (1), a first wire (6) and a second wire (7) are fixedly mounted on the other side of the top of the first carbon brush (1), one ends of the first wire (6) and the second wire (7) are fixedly connected through a connector (8), a grounding sheet (9) is fixedly mounted at one end of the connector (8), a cavity (10) is formed inside the first carbon brush (1), a spring (11) is arranged inside the cavity (10), an active limiting block (12) is fixedly mounted on one side of the top of the second carbon brush (2), a passive limiting block (13) is fixedly installed at one side of the inner portion of the first carbon brush (1), and a pressure sensor (14) is fixedly installed at the upper portion of the passive limiting block (13).

2. The generator rotor grounding carbon brush according to claim 1, characterized in that: one end of the carbon column (4) is fixedly connected with the first carbon brush (1), and the number of the carbon columns (4) and the number of the carbon rings (3) are two.

3. The generator rotor grounding carbon brush according to claim 1, characterized in that: the electric wire (5) is fixedly connected with the pressure sensor (14), and the number of the active limiting blocks (12) and the number of the passive limiting blocks (13) are two.

4. The generator rotor grounding carbon brush according to claim 1, characterized in that: one end of the spring (11) is fixedly connected with the top of the cavity (10), and the other end of the spring (11) is fixedly connected with the first carbon brush (1).

5. The generator rotor grounding carbon brush according to claim 1, characterized in that: the top of the first carbon brush (1) is provided with a slope, and the bottom of the second carbon brush (2) is provided with a chamfer.