CN217345011U

CN217345011U - Hand-pulling type carbon brush grinding device

Info

Publication number: CN217345011U
Application number: CN202220979105.6U
Authority: CN
Inventors: 李鹤; 唐清弟; 刘剑明; 赵利锋; 李林枝; 付烈坤; 李华; 郭伟
Original assignee: Huaneng Lancang River Hydropower Co Ltd
Current assignee: Huaneng Lancang River Hydropower Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-09-02
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a hand-pulling type carbon brush grinding device, which comprises an auxiliary unit, wherein the auxiliary unit comprises a shell and a collecting bin, and the collecting bin is arranged on the bottom end surface of the shell; the grinding unit comprises a hand-pulling plate, a clamp and a grinding roller, the hand-pulling plate is arranged in the shell, the clamp is arranged on the top end face of the shell, the grinding roller is arranged in the shell, the device can quickly grind a plurality of carbon brushes, meanwhile, broken slag generated by grinding can be collected and processed, the efficiency is high, and the environmental protection performance is good.

Description

Hand-pulling type carbon brush grinding device

Technical Field

The utility model relates to a carbon brush field, especially a hand-pulling type carbon brush grinder.

Background

The brush excitation generator set adopted at present has large maintenance amount of carbon brushes in operation, and in order to ensure that the carbon brushes are well contacted with a generator slip ring junction surface, according to technical supervision requirements, when the carbon brushes of the generator are replaced in operation, more than 3 carbon brushes in the same row cannot be replaced, and meanwhile, the contact area between the carbon brushes and the slip ring is required to be not less than 70%. In actual work, the radian of the contact surface of the carbon brush and the slip ring is limited by an equipment operation field and tools, the contact grinding of the carbon brush and the slip ring cannot meet the requirement, the replaced new carbon brush cannot meet the requirement on the surface contact area of the slip ring, local through-flow overrun may be caused by the undersize of the contact surface of the new carbon brush and the slip ring, and meanwhile, overcurrent of other carbon brushes may be caused, so that adverse influence is brought to the operation of a generator.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the problems existing in the prior art, the utility model discloses a.

Therefore, the technical problem to be solved by the utility model is that the contact surface of the new carbon brush and the slip ring is too small to cause local through-flow overrun, and other carbon brush over-currents can be caused.

In order to solve the technical problem, the utility model provides a following technical scheme: a hand-pulling type carbon brush grinding device comprises an auxiliary unit, wherein the auxiliary unit comprises a shell and a collecting bin, and the collecting bin is arranged on the end face of the bottom of the shell;

the grinding unit comprises a hand-pulling plate, a clamp and a grinding roller, the hand-pulling plate is arranged in the shell, the clamp is arranged on the top end face of the shell, and the grinding roller is arranged in the shell.

As a preferred scheme of hand-pulling type carbon brush grinder, wherein: the shell is provided with a first accommodating cavity and a sliding groove, the hand-pulling plate is arranged in the first accommodating cavity, and the sliding groove is symmetrically arranged on the top end face and the bottom end face of the first accommodating cavity.

As a preferred scheme of hand-pulling type carbon brush grinder, wherein: the hand-pulling plate is provided with an arc-shaped groove, a spring and a stop block, the arc-shaped groove and the spring are arranged on the same end face of the hand-pulling plate, and the stop block is arranged on the other end face of the hand-pulling plate.

As a preferred scheme of hand-pulling type carbon brush grinder, wherein: a sliding rod is arranged in the first accommodating cavity, a round hole is formed in the hand-pull plate, and the sliding rod is coaxially arranged in the round hole.

As a preferred scheme of hand-pulling type carbon brush grinder, wherein: still be provided with the pinion rack on the hand strap, still be provided with second holding chamber on the casing, the pinion rack passes the spout and sets up in second holding intracavity.

As a preferred scheme of hand-pulling type carbon brush grinder, wherein: the clamp is provided with a placing hole and a fixing hole, the placing hole is formed in the top end face of the clamp, and the fixing hole is formed in the clamp.

As a hand-pulling type carbon brush grinder's an optimal selection scheme, wherein: the grinding roller is arranged in the third accommodating cavity.

As a preferred scheme of hand-pulling type carbon brush grinder, wherein: the grinding roll is provided with gears, a first grinding surface and a second grinding surface, the gears are coaxially arranged at two ends of the grinding roll and extend into the second accommodating cavity, the gears are meshed with the toothed plate, and the first grinding surface and the second grinding surface are arranged on the side surface of the grinding roll.

As a preferred scheme of hand-pulling type carbon brush grinder, wherein: the collection bin is provided with a drawer, and the drawer is communicated with the third accommodating cavity.

As a preferred scheme of hand-pulling type carbon brush grinder, wherein: the placing holes and the fixing holes are arranged in a plurality in a linear array.

The utility model has the advantages that: the device can be used for rapidly grinding and reinstalling the carbon brush on the generator, so that the new carbon brush is well contacted with the slip ring, and the safe operation of the generator is further ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic view of the entire apparatus in the first embodiment.

Fig. 2 is a schematic cross-sectional view of the device in the first and second embodiments.

Fig. 3 is a schematic view of the housing and the hand-pulling plate in the first to third embodiments.

Fig. 4 is a side view of the clamp in the second and third embodiments.

Fig. 5 is a diagram showing the positional relationship between the hand-pulling plate and the polishing roller in the second and third embodiments.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 3, to a first embodiment of the present invention, this embodiment provides a hand-pulling type carbon brush grinding apparatus, which is characterized in that: the auxiliary unit 100 comprises a shell 101 and a collection bin 102, wherein the collection bin 102 is arranged on the bottom end face of the shell 101, the shell 101 is used for bearing the grinding unit 200, and the collection bin 102 is used for collecting impurities generated in the process of grinding the carbon brush to prevent the impurities from polluting the environment;

the grinding unit 200 comprises a hand-pulling plate 201, a clamp 202 and a grinding roll 203, wherein the hand-pulling plate 201 is arranged in a shell 101, the clamp 202 is arranged on the top end surface of the shell 101, the grinding roll 203 is arranged in the shell 101, a carbon brush to be ground is inserted into the clamp 202, the carbon brush is limited by the clamp 202, one end of the carbon brush is attached to the grinding roll 203, and then the hand-pulling plate 201 is pulled by hand to enable the grinding roll 203 to rotate back and forth so as to grind the carbon brush.

Be provided with first holding chamber A and spout 101a on the casing 101, hand power board 201 sets up and slides in first holding chamber A, and spout 101a symmetry sets up at the top terminal surface and the bottom terminal surface of first holding chamber A.

Example 2

Referring to fig. 2 to 5, for the second embodiment of the present invention, this embodiment is based on the previous embodiment, be provided with arc 201a, spring 201b and dog 201c on the hand-pulling plate 201, arc 201a and spring 201b set up on the same terminal surface of hand-pulling plate 201, dog 201c sets up on another terminal surface of hand-pulling plate 201, the hand-pulling plate 201 is pulled to the position that the arc 201a was held to the finger, spring 201b can provide an helping hand when hand-pulling plate 201 return, can be laborsaving to a certain extent, dog 201 c's effect prevents that hand-pulling plate 201 from pulling the handle when the maximum distance, the security of device has been improved to a certain extent.

A sliding rod A-1 is arranged in the first accommodating cavity A, a circular hole 201d is formed in the hand-pulling plate 201, the sliding rod A-1 is coaxially arranged in the circular hole 201d, and the hand-pulling plate 201 slides back and forth on the sliding rod A-1.

The hand-pulling plate 201 is further provided with a toothed plate 201e, the housing 101 is further provided with a second accommodating cavity B, the toothed plate 201e penetrates through the sliding groove 101a and is arranged in the second accommodating cavity B, the hand-pulling plate 201 is provided with two groups, the two groups are symmetrically arranged on two sides of the grinding roller 203, the toothed plates 201e on the hand-pulling plates 201 on two sides are fixedly connected, the toothed plate 201e can move to drive the gear 203a to rotate, and then the grinding roller 203 rotates.

The clamp 202 is provided with a placing hole 202a and a fixing hole 202b, the placing hole 202a is arranged on the top end face of the clamp 202, the fixing hole 202b is arranged in the clamp 202, the placing hole 202a and the fixing hole 202b are arranged to be arc edges around, abrasion of the carbon brush is prevented when the carbon brush is inserted, the placing hole 202a and the fixing hole 202b are matched up and down, the carbon brush can be well limited, and the carbon brush is prevented from being displaced in the grinding process and affecting the grinding effect.

Example 3

Referring to fig. 3 to 5, in order to provide a third embodiment of the present invention, the housing 101 is provided with two housings 101, two housings 101 are connected to each other to form a third receiving cavity C, and the grinding roller 203 is disposed in the third receiving cavity C.

The grinding roll 203 is provided with a gear 203a, a first grinding surface 203B and a second grinding surface 203c, the gear 203a is coaxially arranged at two ends of the grinding roll 203 and extends into the second accommodating cavity B, the gear 203a and the toothed plate 201e are engaged with each other, the first grinding surface 203B and the second grinding surface 203c are arranged on the side surface of the grinding roll 203, and the first grinding surface 203B and the second grinding surface 203c are arranged on the side surface of the grinding roll 203 in a staggered manner, so that the surface of the carbon brush can be ground without dead angles when the grinding roll 203 rotates forwards and backwards.

The collection bin 102 is provided with the drawer 102a, the drawer 102a is communicated with the third accommodating cavity C, the crushed slag generated by grinding the carbon brushes falls into the drawer 102a, the drawer 102a is made of transparent plastic materials, whether the crushed slag in the drawer 102a is full can be conveniently observed, if the crushed slag is full, the drawer 102a only needs to be drawn out, the crushed slag is disposed, and the environmental protection safety is high.

The placing holes 202a and the fixing holes 202b are arranged in a linear array mode, a plurality of carbon brushes can be ground simultaneously, and working efficiency is greatly improved.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not have been described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a hand-pulling type carbon brush grinder which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

an auxiliary unit (100), wherein the auxiliary unit (100) comprises a shell (101) and a collection bin (102), the collection bin (102) is arranged on the bottom end face of the shell (101), and;

the polishing unit (200) comprises a hand-pulling plate (201), a clamp (202) and a polishing roller (203), wherein the hand-pulling plate (201) is arranged in the shell (101), the clamp (202) is arranged on the top end surface of the shell (101), and the polishing roller (203) is arranged in the shell (101).

2. The hand-pulled carbon brush grinding device according to claim 1, wherein: the improved portable handheld electric tool is characterized in that a first accommodating cavity (A) and a sliding groove (101a) are formed in the shell (101), the handheld plate (201) is arranged in the first accommodating cavity (A), and the sliding groove (101a) is symmetrically arranged on the top end face and the bottom end face of the first accommodating cavity (A).

3. The hand-pulled carbon brush grinding device according to claim 2, wherein: the improved hand-pulling plate is characterized in that an arc-shaped groove (201a), a spring (201b) and a stop block (201c) are arranged on the hand-pulling plate (201), the arc-shaped groove (201a) and the spring (201b) are arranged on the same end face of the hand-pulling plate (201), and the stop block (201c) is arranged on the other end face of the hand-pulling plate (201).

4. The hand-pulled carbon brush grinding device according to claim 3, wherein: a sliding rod (A-1) is arranged in the first accommodating cavity (A), a round hole (201d) is formed in the hand-pulling plate (201), and the sliding rod (A-1) is coaxially arranged in the round hole (201 d).

5. The hand-pulling type carbon brush grinding device according to claim 3, wherein: still be provided with pinion rack (201e) on hand arm-tie (201), still be provided with second holding chamber (B) on casing (101), pinion rack (201e) pass spout (101a) and set up in second holding chamber (B).

6. The hand-pulled carbon brush grinding device according to claim 1, wherein: the clamp (202) is provided with a placing hole (202a) and a fixing hole (202b), the placing hole (202a) is arranged on the top end face of the clamp (202), and the fixing hole (202b) is arranged in the clamp (202).

7. The hand-pulled carbon brush grinding device according to claim 6, wherein: the two shells (101) are connected with each other to form a third accommodating cavity (C), and the grinding roller (203) is arranged in the third accommodating cavity (C).

8. The hand-pulled carbon brush grinding device according to claim 3, wherein: the grinding roller (203) is provided with a gear (203a), a first grinding surface (203B) and a second grinding surface (203c), the gear (203a) is coaxially arranged at two ends of the grinding roller (203) and extends into the second accommodating cavity (B), the gear (203a) is meshed with the toothed plate (201e), and the first grinding surface (203B) and the second grinding surface (203c) are arranged on the side surface of the grinding roller (203).

9. The hand-pulled carbon brush grinding device according to claim 8, wherein: a drawer (102a) is arranged on the collection bin (102), and the drawer (102a) is communicated with the third accommodating cavity (C).

10. The hand-pulled carbon brush grinding device according to claim 6, wherein: the placing holes (202a) and the fixing holes (202b) are arranged in a plurality in a linear array.