CN220296732U

CN220296732U - Online grinding device for generator collecting ring

Info

Publication number: CN220296732U
Application number: CN202321873123.7U
Authority: CN
Inventors: 张宏伟
Original assignee: Chongqing Huaneng Hydro Equipment Manufacturing Co ltd
Current assignee: Chongqing Huaneng Hydro Equipment Manufacturing Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-01-05
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses an online polishing device for a generator collecting ring, wherein a Y-direction lifting motor capable of driving a Y-direction lifting sliding table to ascend or descend is arranged on a base, an X-direction translation sliding table and an X-direction translation motor are arranged on the Y-direction lifting sliding table, and an output shaft of the X-direction translation motor drives the X-direction translation sliding table to move leftwards and rightwards in X; and the X-direction translation sliding table is provided with a polishing abrasive belt, a polishing motor, a driving wheel and a driven wheel, wherein the polishing abrasive belt is arranged between the driving wheel and the driven wheel, and the polishing motor drives the driving wheel to rotate so as to drive the polishing abrasive belt to rotate. According to the polishing device, the generator collector ring can be polished on line in real time under the condition that the collector ring is not dismounted, and the polishing efficiency can be greatly improved; because the collecting ring does not need to be disassembled and reinstalled, adverse phenomena of damage or improper installation position of the disassembled parts, low installation precision, excessively high carbon brush sparking temperature, excessively rapid abrasion and the like are avoided.

Description

Online grinding device for generator collecting ring

Technical Field

The utility model relates to an accessory device of a generator collecting ring, in particular to an online grinding device of the generator collecting ring.

Background

A water wheel or a thermal power generator is an important energy conversion device, and the hydro-power generator outputs electric energy by converting kinetic energy of water flow into electric energy; when the hydraulic generator operates, the rotating shaft (main shaft) rotates at high speed, and the collecting ring is an important key-free part and is a vulnerable part, and the collecting ring plays a role in connecting the rotor with external current. However, the collecting ring rotating along with the rotating shaft at a high speed is contacted with the carbon brush for a long time, and has the phenomena of electric corrosion, friction and abrasion, rough surface of the collecting ring, pit generation, over-high ignition temperature of the carbon brush, over-high abrasion and the like; therefore, after the generator set is operated for a certain period of time, the surface of the collecting ring needs to be polished so as to reach the surface roughness required by the process.

In the prior art, when the collector ring is polished, the collector ring is generally detached integrally, and the surface of the collector ring is cut by equipment such as a lathe. However, as a responsible system, the hydraulic generator needs to disassemble the collector ring, and other auxiliary components such as the collector ring housing and the air supplementing pipe, and other maintenance works are involved, so that a great amount of time and labor cost are consumed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to solve the technical problems that: how to be under the condition of not dismantling the collecting ring, to the online grinding device of generator collecting ring of online grinding of generator collecting ring, when improving the efficiency of polishing by a wide margin, effectively prevent damage or the improper mounted position of part that dismantles and reinstallates the collecting ring and lead to, the installation accuracy is not high, the carbon brush fire temperature is too high, wearing and tearing adverse phenomena such as too fast.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the online polishing device for the generator collecting ring comprises a base and is characterized in that a Y-direction lifting motor is arranged on the base, and an output shaft of the Y-direction lifting motor drives a Y-direction lifting sliding table to ascend or descend when rotating; an X-direction translation sliding table and an X-direction translation motor are arranged on the Y-direction lifting sliding table, and the X-direction translation sliding table is provided with the X-direction translation motor and is driven to move leftwards and rightwards in X through an output shaft of the X-direction translation motor;

the X-direction translation sliding table is provided with a polishing abrasive belt, a polishing motor, a driving wheel and a driven wheel, wherein the polishing abrasive belt is arranged between the driving wheel and the driven wheel, and the polishing motor drives the driving wheel to rotate so as to drive the polishing abrasive belt to rotate and contact with a collector ring to be polished to generate a polishing effect.

Therefore, the polishing device disclosed by the utility model can polish the generator collector ring on line in real time under the condition that the collector ring is not dismounted, and the polishing efficiency can be greatly improved; because the collecting ring does not need to be disassembled and reinstalled, adverse phenomena of damage or improper installation position of the disassembled parts, low installation precision, excessively high carbon brush sparking temperature, excessively rapid abrasion and the like are avoided.

Further: the X-direction translation sliding table is arranged on the X-direction working table in a sliding manner, the X-direction working table is arranged on the Y-direction lifting sliding table, and the X-direction working table ascends and descends along with the Y-direction lifting sliding table. Thus, the X-direction workbench is convenient for overall arrangement and precise control.

Further, a vertical screw rod is arranged, an output shaft of the Y-direction lifting motor drives the screw rod to rotate, and the screw rod is matched with a nut arranged on the Y-direction lifting sliding table to drive the Y-direction lifting sliding table to ascend or descend. Therefore, the power transmission is stable through the screw rod and nut matching structure, and the structure can be simplified.

Further, a Y-direction lifting guide rail is arranged, and the Y-direction lifting sliding table moves on the Y-direction lifting guide rail. Thus, the power transmission is stable, and the structure can be simplified.

Further, a translation screw rod is arranged, an output shaft of the X-direction translation motor drives the translation screw rod to rotate, and the translation screw rod is matched with a nut arranged on the X-direction translation sliding table to drive the X-direction translation sliding table to move in the X-direction. Therefore, the power transmission is stable through the screw rod and nut matching structure, and the structure can be simplified.

Further, the X-direction translation guide rail and the X-direction translation sliding table are matched, and the X-direction translation sliding table moves on the X-direction translation guide rail.

Further, on X is to translation slip table, set up the support of polishing, motor, action wheel and follow driving wheel setting are polished on the support. Through setting up the support of polishing, conveniently polish motor, action wheel and follow driving wheel's arrangement.

Further, a buffer spring is arranged on the polishing support. The buffer spring can buffer and adjust the contact condition of the polishing abrasive belt and the collector ring, so that the fit degree of the polishing abrasive belt and the surface of the collector ring is ensured.

Further, a control box is arranged and is electrically connected with the Y-direction lifting motor, the X-direction translation motor and the polishing motor through control wires, and a control signal is output to start or close the Y-direction lifting motor, the X-direction translation motor and the polishing motor. Therefore, the automation degree of the polishing device can be improved, and the polishing uniformity and polishing precision are improved.

Further, a display screen is arranged on the control box.

In a word, the generator collecting ring online polishing device has the following advantages:

1. according to the utility model, the generator collecting ring can be polished on line in real time under the condition that the collecting ring is not dismounted, and the polishing efficiency can be greatly improved.

2. Because the collecting ring does not need to be disassembled and reinstalled, adverse phenomena of damage or improper installation position of the disassembled parts, low installation precision, excessively high carbon brush sparking temperature, excessively rapid abrasion and the like are avoided.

3. The whole device is movable, can be lifted in the X, Y direction, and is convenient to use; and can adapt to the online needs of polishing of collecting ring of multiple model, multiple height.

Drawings

FIG. 1 is a schematic view of the working state of the polishing apparatus of the present utility model;

FIG. 2 is a right side view of FIG. 1;

fig. 3 is a top view of fig. 1.

In the figure: 1-base, 2-Y is to lift motor, 3-lead screw, 4-Y is to lift slip table, 5-Y is to lift guide rail, 6-X to workstation, 7-X is to translation slip table, 8-X is to translation motor, 9-X is to translation guide rail, 10-translation lead screw, 11-abrasive band of polishing, 12-motor of polishing, 13-action wheel, 14-follow driving wheel, 15-support of polishing, 16-buffer spring, 17-control box, 18-display screen, 20-collecting ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1, 2 and 3, the generator collecting ring online polishing device comprises a base 1, wherein the base 1 can be set to be capable of walking according to the requirement, such as wheels are additionally arranged on the base 1 or electric wheels can walk by themselves, a Y-direction lifting motor 2 is arranged on the base 1, an output shaft of the Y-direction lifting motor 2 drives a Y-direction lifting sliding table 4 to ascend or descend when rotating, in the figure, a vertical screw rod 3 is arranged, the output shaft of the Y-direction lifting motor 2 drives the screw rod 3 to rotate, and the screw rod 3 is matched with a nut arranged on the Y-direction lifting sliding table 4 to drive the Y-direction lifting sliding table 4 to ascend or descend; a Y-direction lifting guide rail 5 is also arranged, and the Y-direction lifting sliding table 4 moves on the Y-direction lifting guide rail 5 to stably run.

An X-direction workbench 6, an X-direction translation sliding table 7, an X-direction translation motor 8, an X-direction translation guide rail 9 and a translation screw rod 10 are arranged on the Y-direction lifting sliding table 4, the X-direction translation sliding table 7 is arranged on the Y-direction lifting sliding table 4 in a sliding manner, or the X-direction translation sliding table 7 is arranged on the X-direction workbench 6 in a sliding manner, the X-direction workbench 6 is arranged on the Y-direction lifting sliding table 4, and the X-direction workbench 6 is lifted along with the Y-direction lifting sliding table 4 to drive the X-direction translation sliding table 7 to lift along with the Y-direction lifting sliding table 4; an X-direction translation motor 8 is arranged on the X-direction translation sliding table 7 (at the rear end in the figure), and the X-direction translation sliding table 7 is driven to move leftwards and rightwards in X by the X-direction translation motor 8; specifically, a translation screw rod 10 is arranged, an output shaft of an X-direction translation motor 8 drives the translation screw rod 10 to rotate, and the translation screw rod 10 is matched with a nut arranged on an X-direction translation sliding table 7 to drive the X-direction translation sliding table 7 to move in the X-direction, namely to move left and right; the X-direction translation guide rail 9 is matched with the X-direction translation sliding table 7, and the X-direction translation sliding table 7 moves on the X-direction translation guide rail 9 to stably run.

On the X-direction translation sliding table 7, a polishing abrasive belt 11, a polishing motor 12, a driving wheel 13 and a driven wheel 14 are arranged, the polishing abrasive belt 11 is arranged between the driving wheel 13 and the driven wheel 14, the polishing motor 12 drives the driving wheel 13 to rotate, thereby driving the polishing abrasive belt 11 to rotate, and the polishing abrasive belt 11 is close to and in contact with a collecting ring to be polished to generate a polishing effect. For convenience in arrangement, a polishing support 15 is arranged on the X-direction translation sliding table 7, and a polishing motor 12, a driving wheel 13 and a driven wheel 14 are arranged on the polishing support 15; on the support 15 of polishing, set up buffer spring 16 to buffering, adjusting the abrasive band 11 of polishing and collector ring contact condition, guarantee the laminating degree on abrasive band 11 of polishing and collector ring surface, obtain better polishing effect.

In order to further improve the polishing efficiency and execute more uniform polishing standards, the utility model also provides a control box 17, wherein the control box 17 is electrically connected with the Y-direction lifting motor 2, the X-direction translation motor 8 and the polishing motor 12 through control wires, outputs control signals to start or stop the Y-direction lifting motor 2, the X-direction translation motor 8 and the polishing motor 12, and improves the automation level of the polishing device; a display screen 18 is also arranged on the control box 17, and related information related to polishing is realized through the display screen 18.

The working process of the utility model is introduced as follows: the collecting ring 20 of the generator is in contact with the carbon brush, the collecting ring is a rotating part, the carbon brush is not moved, and the collecting ring rotates along with the main shaft at a certain speed; when the end face of the collecting ring is worn in contact with the carbon brush and the like and needs to be polished, the carbon brush and the brush holder are disassembled, and the end face of the collecting ring is exposed; the polishing device is moved to a position close to the collecting ring 20 to be polished, and the polishing abrasive belt 11 is close to the collecting ring 11 by the left and right movement of the Y-direction lifting and lowering motor 2 and the X-direction translation motor 8 in the horizontal direction; starting a polishing motor 12 to drive a polishing abrasive belt 11 to rotate, and adjusting an X-direction translation motor 8 to enable the polishing abrasive belt 11 to move and contact with the end face of a collecting ring 20 to generate a polishing effect; during polishing, the polishing abrasive belt 11 is driven by the Y-direction lifting motor 2 to move in a small range up and down in the Y direction, so that the end face of the whole collecting ring 20 is ensured to be polished, and a better polishing effect is achieved.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the technical solution, and although the applicant has described the present utility model in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents of the technical solution of the present utility model can be made without departing from the spirit and scope of the technical solution, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.

Claims

1. The utility model provides an online grinding device of generator collecting ring, includes base (1), and characterized in that is provided with Y on base (1) to elevator motor (2), and the output shaft of Y to elevator motor (2) drives Y to rise or descend in the time of rotatory slip table (4); an X-direction translation sliding table (7) and an X-direction translation motor (8) are arranged on the Y-direction lifting sliding table (4), the X-direction translation sliding table (7) is provided with the X-direction translation motor (8), and the X-direction translation sliding table (7) is driven to move leftwards and rightwards in X through an output shaft of the X-direction translation motor (8);

on X is to translation slip table (7), be provided with abrasive band (11) of polishing, motor (12), action wheel (13) and follow driving wheel (14), abrasive band (11) of polishing set up between action wheel (13) and follow driving wheel (14), motor (12) of polishing drive action wheel (13) rotation to drive abrasive band (11) of polishing and rotate, contact with the collector ring that waits to polish and produce the effect of polishing.

2. The generator collecting ring online polishing device according to claim 1, wherein the X-direction translation sliding table (7) is arranged on the X-direction working table (6) in a sliding manner, the X-direction working table (6) is arranged on the Y-direction lifting sliding table (4), and the X-direction working table (6) ascends and descends along with the Y-direction lifting sliding table (4).

3. The generator collecting ring online polishing device according to claim 1, wherein a vertical screw rod (3) is arranged, an output shaft of the Y-direction lifting motor (2) drives the screw rod (3) to rotate, and the screw rod (3) is matched with a nut arranged on the Y-direction lifting sliding table (4) to drive the Y-direction lifting sliding table (4) to ascend or descend.

4. A generator slip ring online grinding device according to claim 3, characterized in that a Y-direction lifting rail (5) is provided, on which Y-direction lifting slide table (4) moves.

5. The generator collecting ring online polishing device according to any one of claims 1-4, wherein a translation screw rod (10) is arranged, an output shaft of the X-direction translation motor (8) drives the translation screw rod (10) to rotate, and the translation screw rod (10) is matched with a nut arranged on the X-direction translation sliding table (7) to drive the X-direction translation sliding table (7) to move in the X direction.

6. The generator slip ring online polishing device according to claim 5, wherein an X-direction translation guide rail (9) is arranged in cooperation with an X-direction translation sliding table (7), and the X-direction translation sliding table (7) moves on the X-direction translation guide rail (9).

7. The generator slip ring online polishing device according to any one of claims 1 to 4, wherein a polishing support (15) is arranged on the X-direction translation sliding table (7), and a polishing motor (12), a driving wheel (13) and a driven wheel (14) are arranged on the polishing support (15).

8. The generator slip ring on-line grinding device according to claim 7, characterized in that on the grinding support (15) a buffer spring (16) is provided.

9. The generator collecting ring online polishing device according to any one of claims 1-4, wherein a control box (17) is arranged, the control box (17) is electrically connected with the Y-direction lifting motor (2), the X-direction translation motor (8) and the polishing motor (12) through control wires, and outputs control signals to start or stop the Y-direction lifting motor (2), the X-direction translation motor (8) and the polishing motor (12).

10. Generator slip ring online grinding device according to claim 9, characterized in that a display screen (18) is provided on the control box (17).