CN215881021U - Self-grinding device for collecting ring of through-flow hydraulic generator - Google Patents
Self-grinding device for collecting ring of through-flow hydraulic generator Download PDFInfo
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- CN215881021U CN215881021U CN202121874412.XU CN202121874412U CN215881021U CN 215881021 U CN215881021 U CN 215881021U CN 202121874412 U CN202121874412 U CN 202121874412U CN 215881021 U CN215881021 U CN 215881021U
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- pressure spring
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- collecting ring
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Abstract
The utility model provides a through-flow hydraulic generator collecting ring is from grinder, relates to the technical field of motor, and its structure is: including brush yoke, collecting ring and grinder, fixed connection spread groove on the brush yoke, the spread groove front end is provided with grinds piece holding tank, grinds piece holding tank front end and is provided with the pressure spring fixed slot, it grinds the piece to be equipped with in the piece holding tank, the pressure spring is equipped with in the pressure spring fixed slot, it compresses tightly the connection on the collecting ring through the pressure spring to grind the piece. The utility model has the beneficial effects that: the grinding blocks are used for grinding on line, normal operation production of a unit is not influenced, and economic loss caused by power generation loss is reduced; the maintenance cost is saved, the collecting ring does not need to be dismounted to return to a factory for processing, the grinding block is convenient and quick to mount and dismount, and time and labor are saved; compare artifical manual polishing, polish more evenly, it is effectual to polish, satisfies the operation requirement.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a self-grinding device for a collecting ring of a through-flow type hydraulic generator.
Background
The current collecting ring of the hydroelectric generating set is a terminal of a rotor coil, and the excited direct current is contacted with two conductive metal rings through a carbon brush and is transmitted to a rotor for excitation. The material of the slip ring is required to have high mechanical strength, to be a good electrical conductor, and to have corrosion resistance, and to have wear resistance and stable sliding contact characteristics when making sliding contact with a carbon brush. In normal operation of the unit, the collector ring and the carbon brush slide relatively for a long time, the collector ring is abnormally abraded, electric sparks are generated at the abraded part, the abrasion of the collector ring is aggravated, the phenomenon of electric corrosion of the collector ring is serious, the phenomena of high temperature of the collector ring and low insulating performance are caused, the carbon brush is abraded quickly, and the safe and stable operation of the unit is seriously influenced.
How to repair the collecting ring on site after being worn is a big problem, for slight wear of the surface of the collecting ring, the traditional treatment method is to manually polish the collecting ring by using sand paper, but manual polishing can lead to inconsistent polishing times of the collecting ring in unit area, uneven polishing, abnormal wear of a carbon brush after polishing, secondary wear of the collecting ring and the like, and the problems of potential quality hazard and unsatisfactory polishing effect exist in application; for the serious surface abrasion of the collector ring, the existing treatment scheme is to disassemble the collector ring and send the collector ring to a factory for grinding and repairing treatment, so that the repairing construction period is long, the cost is high, and the larger economic loss is caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a self-grinding device for a collector ring of a through-flow type hydraulic generator, which aims to solve the problem of collector ring abrasion.
The utility model provides a self-grinding device for a collecting ring of a through-flow hydraulic generator, which has the following structure: including brush yoke, collecting ring and grinder, fixed connection spread groove on the brush yoke, the spread groove front end is provided with grinds piece holding tank, grinds piece holding tank front end and is provided with the pressure spring fixed slot, it grinds the piece to be equipped with in the piece holding tank, the pressure spring is equipped with in the pressure spring fixed slot, it compresses tightly the connection on the collecting ring through the pressure spring to grind the piece.
Further, grinder includes spread groove, grinds piece holding tank, collecting ring, grinds piece, pressure spring fixed slot and pressure spring.
Further, the brush holder and the connecting groove are connected through a fixing bolt.
Furthermore, an opening is formed in the front end of the pressure spring fixing groove, a pressure spring stop block is arranged on the pressure spring, and the pressure spring stop block is clamped in the opening.
Furthermore, the pressure spring is provided with a pressing block, the pressing block is a circular pressing block, and the pressing block presses the grinding block.
Further, the grinding block is oilstone.
Further, the oilstone is 800 meshes or 1200 meshes.
The using method of the utility model comprises the following steps: different grinding blocks are selected according to the damage degree of the surface of the collecting ring, the grinding blocks are installed and pressed through a pressure spring, then the grinding is carried out, the grinding is carried out for about 3-4 hours continuously, the grinding blocks are taken out, the surface of the collecting ring is cleaned through alcohol and cleaned, the polishing effect of the collecting ring is checked, and if the polishing effect is not reached, the steps are repeatedly carried out.
The utility model has the beneficial effects that: the grinding blocks are used for grinding on line, normal operation production of a unit is not influenced, and economic loss caused by power generation loss is reduced; the maintenance cost is saved, the collecting ring does not need to be dismounted to return to a factory for processing, the grinding block is convenient and quick to mount and dismount, and time and labor are saved; compare artifical manual polishing, polish more evenly, it is effectual to polish, satisfies the operation requirement.
Drawings
FIG. 1 is a side view of the present invention;
FIG. 2 is a side sectional view of the present invention;
FIG. 3 is a front view of the present invention;
in the figure: 1. brush yoke, 2, fixing bolt, 3, spread groove, 4, grinding piece holding tank, 5, collecting ring, 6, grinding piece, 7, pressure spring fixed slot, 8, pressure spring, 9, pressure spring dog.
Detailed Description
Example 1
As shown in fig. 1 to 3, the present invention provides a self-grinding device for a collector ring of a through-flow type hydraulic generator, which has the following structure: including brush yoke (1), collecting ring (5) and grinder, fixed connection spread groove (3) are gone up in brush yoke (1), and spread groove (3) front end is provided with grinds piece holding tank (4), and it is provided with pressure spring fixed slot (7) to grind piece holding tank (4) front end, it grinds piece (6) to be equipped with in grinding piece holding tank (4), pressure spring (8) are equipped with in pressure spring fixed slot (7), it compresses tightly through pressure spring (8) and connects on collecting ring (5) to grind piece (6).
Further, the brush holder (1) and the connecting groove (3) are connected through a fixing bolt (2).
Furthermore, an opening is formed in the front end of the pressure spring fixing groove (7), a pressure spring stop block (9) is arranged on the pressure spring (8), and the pressure spring stop block (9) is clamped in the opening.
Furthermore, a pressing block is arranged on the pressure spring (8), the pressing block is a circular pressing block, and the pressing block compresses the grinding block (6).
Further, the grinding block (6) is oilstone.
Further, the oilstone is 800 meshes.
Example 2
As shown in fig. 1 to 3, the present invention provides a self-grinding device for a collector ring of a through-flow type hydraulic generator, which has the following structure: including brush yoke (1), collecting ring (5) and grinder, fixed connection spread groove (3) are gone up in brush yoke (1), and spread groove (3) front end is provided with grinds piece holding tank (4), and it is provided with pressure spring fixed slot (7) to grind piece holding tank (4) front end, it grinds piece (6) to be equipped with in grinding piece holding tank (4), pressure spring (8) are equipped with in pressure spring fixed slot (7), it compresses tightly through pressure spring (8) and connects on collecting ring (5) to grind piece (6).
Further, the brush holder (1) and the connecting groove (3) are connected through a fixing bolt (2).
Furthermore, an opening is formed in the front end of the pressure spring fixing groove (7), a pressure spring stop block (9) is arranged on the pressure spring (8), and the pressure spring stop block (9) is clamped in the opening.
Furthermore, a pressing block is arranged on the pressure spring (8), the pressing block is a circular pressing block, and the pressing block compresses the grinding block (6).
Further, the grinding block (6) is oilstone.
Further, the oilstone is 1200 meshes.
Example 3
As shown in fig. 1 to 3, the present invention provides a self-grinding device for a collector ring of a through-flow type hydraulic generator, which has the following structure: including brush yoke (1), collecting ring (5) and grinder, fixed connection spread groove (3) are gone up in brush yoke (1), and spread groove (3) front end is provided with grinds piece holding tank (4), and it is provided with pressure spring fixed slot (7) to grind piece holding tank (4) front end, it grinds piece (6) to be equipped with in grinding piece holding tank (4), pressure spring (8) are equipped with in pressure spring fixed slot (7), it compresses tightly through pressure spring (8) and connects on collecting ring (5) to grind piece (6).
Further, grinder includes spread groove, grinds piece holding tank, collecting ring, grinds piece, pressure spring fixed slot and pressure spring.
Further, 12 grinding devices are arranged on the brush holder.
Further, the grinding block (6) is oilstone.
The method comprises the steps of selecting 800-mesh and 1200-mesh oilstones to be matched for use, soaking the oilstones in clean turbine oil for 2-3 days before use, installing 800-mesh oilstones to polish for about 3-4 hours, replacing the oilstones with 1200-mesh oilstones, polishing for about 1-2 hours, taking out the oilstones, cleaning the surface of a collector ring with alcohol and wiping the collector ring clean, checking the polishing effect of the collector ring, and repeating the steps if the polishing effect is not achieved.
Claims (6)
1. The utility model provides a through-flow hydraulic generator collecting ring is from grinder which characterized in that: including brush yoke (1), collecting ring (5) and grinder, fixed connection spread groove (3) are gone up in brush yoke (1), and spread groove (3) front end is provided with grinds piece holding tank (4), and it is provided with pressure spring fixed slot (7) to grind piece holding tank (4) front end, it grinds piece (6) to be equipped with in grinding piece holding tank (4), pressure spring (8) are equipped with in pressure spring fixed slot (7), it compresses tightly through pressure spring (8) and connects on collecting ring (5) to grind piece (6).
2. The self-grinding device for the collector ring of the tubular hydro-generator according to claim 1, wherein the self-grinding device comprises: the brush holder (1) is connected with the connecting groove (3) through a fixing bolt (2).
3. The self-grinding device for the collector ring of the tubular hydro-generator according to claim 1, wherein the self-grinding device comprises: the front end of the pressure spring fixing groove (7) is provided with an opening, a pressure spring stop block (9) is arranged on the pressure spring (8), and the pressure spring stop block (9) is clamped in the opening.
4. The self-grinding device for the collector ring of the through-flow type hydraulic generator according to claim 1 or 3, wherein: a pressing block is arranged on the pressure spring (8), the pressing block is a circular pressing block, and the pressing block compresses the grinding block (6).
5. The self-grinding device for the collector ring of the tubular hydro-generator according to claim 1, wherein the self-grinding device comprises: the grinding block (6) is oilstone.
6. The self-grinding device for the collector ring of the tubular hydro-generator according to claim 5, wherein the self-grinding device comprises: the oilstone is 800 meshes or 1200 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121874412.XU CN215881021U (en) | 2021-08-11 | 2021-08-11 | Self-grinding device for collecting ring of through-flow hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121874412.XU CN215881021U (en) | 2021-08-11 | 2021-08-11 | Self-grinding device for collecting ring of through-flow hydraulic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215881021U true CN215881021U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121874412.XU Active CN215881021U (en) | 2021-08-11 | 2021-08-11 | Self-grinding device for collecting ring of through-flow hydraulic generator |
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| CN (1) | CN215881021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115990812A (en) * | 2023-03-22 | 2023-04-21 | 淄博朗斯光电有限公司 | Optical lens grinding equipment and grinding method |
-
2021
- 2021-08-11 CN CN202121874412.XU patent/CN215881021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115990812A (en) * | 2023-03-22 | 2023-04-21 | 淄博朗斯光电有限公司 | Optical lens grinding equipment and grinding method |
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