CN204966929U - Collection electrical slip ring coping instrument - Google Patents
Collection electrical slip ring coping instrument Download PDFInfo
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- CN204966929U CN204966929U CN201520645942.5U CN201520645942U CN204966929U CN 204966929 U CN204966929 U CN 204966929U CN 201520645942 U CN201520645942 U CN 201520645942U CN 204966929 U CN204966929 U CN 204966929U
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- grinding tool
- bus ring
- bracket
- outer cover
- grinding apparatus
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Abstract
The utility model discloses a collection electrical slip ring coping instrument is applied to motor technical field, include: at least one grinding apparatus, grinding apparatus bracket, bearer carrier, the grinding apparatus bracket is fixed on the bearer carrier, and the grinding apparatus bracket includes bracket dustcoat and closing device, and closing device connects on the bracket dustcoat, and the grinding apparatus is installed in the bracket dustcoat, and grinding apparatus front end protrusion in bracket dustcoat, and the grinding apparatus is located transmission the place ahead of closing device, and closing device presses the grinding apparatus to an album electrical slip ring. A problem for working as during the rotatory operation of collection electrical slip ring, carry out online coping to the collecting ring, can avoid the oxidation part to form a crude oxide film in an album electrical slip ring surface accumulation for a long time, and then the technical problem who avoids crude oxide film to cause brush and collection electrical slip ring contact failure, guarantee that synchronous machine's rotor excitation system runs well for a long time, also solved current repair method work load big with degree of difficulty height.
Description
Technical field
The utility model relates to technical field of motors, particularly relates to a kind of bus ring grinding tool.
Background technology
The rotating contact of the rotor-exciting system employing brush-bus ring of Large Synchronous Machine turns mode and introduces in rotor magnetic pole by DC power supply, but often there is bus ring sparking oxidative phenomena when running in motor, in the course of time the coarse oxide-film of one deck can be formed by bus ring surface, coarse oxide-film can cause brush and bus ring loose contact, thus aggravation can contact spark phenomenon further, cause vicious circle.
Therefore, in the maintenance work practice of this type of motor, often need to carry out reconditioning to bus ring.Under normal circumstances, motor off-line should disintegrate by this work, after being extracted out by rotor, adopts special purpose machine tool to carry out reconditioning.But for large-size machine, the difficulty of this kind of repair method and workload are all very large.
Utility model content
The purpose of this utility model is to provide a kind of bus ring grinding tool, the online reconditioning of bus ring when realizing motor free-runing operation, to solve the problem that existing repair method workload is large and difficulty is high.
A kind of bus ring grinding tool that the utility model provides, comprising: at least one grinding tool, grinding tool bracket, bearer carrier; Described grinding tool bracket is fixed on described bearer carrier, wherein, described grinding tool bracket comprises bracket outer cover and hold down gag, and described hold down gag is connected on described bracket outer cover, described grinding tool is arranged in described bracket outer cover, and described grinding tool front end protrudes from described bracket outer cover; Wherein, described grinding tool is positioned at the transmission front of described hold down gag, and described grinding tool is pressed to described bus ring by described hold down gag.
Preferably, described bus ring grinding tool also comprises: insulating lining; Described insulating lining is arranged in the accommodation space of described bracket outer cover, described insulating lining outwards has opening, described grinding tool is fixing in said opening, wherein, the front end of described grinding tool protrudes from described opening, described insulating lining is used for the electric insulation between described grinding tool and described grinding tool bracket, and for the electric insulation between adjacent described grinding tool.
Preferably, described bus ring grinding tool also comprises: back-moving spring; One end of described back-moving spring is fixed on described insulating lining, and the other end of described back-moving spring is fixed on the inwall of described bracket outer cover.
Preferably, described hold down gag comprises: guide pillar, hold-down bolt, holddown spring; Described holddown spring is set on described guide pillar, and the front end of described guide pillar is fixed on described insulating lining, and the hollow screw of described hold-down bolt passes the tapped through hole of described bracket outer cover rear wall, and the rear end of described guide pillar is inserted in described hollow screw.
Preferably, described hold down gag also comprises: pressure regulates pointer; Described pressure regulates pointer to be fixed on the end, rear end of described holddown spring.
Preferably, the sidewall of described bracket outer cover has pointer window, and described pointer window is other indicates pressure scale.
Preferably, described bearer carrier is bolt fastening structure, or permanent-magnet suction cup structure.
Preferably, the number of described grinding tool is mated with the number of described bus ring.
One or more technical scheme provided by the utility model, at least has following technique effect or advantage:
Hold down gag in the bus ring grinding tool provided by the utility model is relative to the inside transmission of bracket outer cover, grinding tool can be promoted and press to bus ring, make, between grinding tool and bus ring, there is certain pressure, thus when bus ring rotating operation, grinding tool can carry out reconditioning to bus ring, and the oxidized portion on bus ring surface is fallen in reconditioning.Avoid oxidized portion and form coarse oxide-film in the accumulation of bus ring surface for a long time, and then avoid coarse oxide-film to cause brush and bus ring loose contact, ensure that the rotor-exciting system of synchronous machine runs well for a long time.Also the problem that existing repair method workload is large and difficulty is high is solved.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Figure 1A, Figure 1B are the bus ring grinding tool installation site schematic diagram in the utility model embodiment;
Fig. 2 A is the profile of the bus ring grinding tool in the utility model embodiment;
Fig. 2 B is the vertical view of the bus ring grinding tool in the utility model embodiment;
Fig. 2 C is the left view of the bus ring grinding tool in the utility model embodiment;
Fig. 3 A is the profile of bracket outer cover in the utility model embodiment;
Fig. 3 B is the vertical view of bracket outer cover in the utility model embodiment;
Fig. 3 C is the left view of bracket outer cover in the utility model embodiment;
Fig. 4 is the structural representation of hold down gag in the utility model embodiment;
Fig. 5 A, Fig. 5 B are the connection diagram of guide pillar and insulating lining in the utility model embodiment;
Fig. 6 A, Fig. 6 B are the setting position schematic diagram indicating pressure regulating part in the utility model embodiment;
Fig. 7 is that in the utility model embodiment, bearer carrier is the structural representation of the bus ring grinding tool of permanent-magnet suction cup structure.
Embodiment
In order to solve the problem that existing repair method workload is large and difficulty is high, the utility model provides a kind of bus ring grinding tool, and general thought is as follows:
By fixing a bus ring grinding tool in bus ring position, bus ring grinding tool comprises hold down gag, grinding tool, bracket outer cover, and bearer carrier.Hold down gag can promote grinding tool relative to the inside transmission of bracket outer cover and press to bus ring, make, between grinding tool and bus ring, there is certain pressure, thus when bus ring rotating operation, grinding tool can carry out reconditioning to bus ring, the coarse oxidized portion on bus ring surface is fallen in reconditioning.
Oxidized portion can be avoided to form coarse oxide-film in the accumulation of bus ring surface for a long time by such scheme, and then avoid coarse oxide-film to cause brush and bus ring loose contact, ensure that the rotor-exciting system of synchronous machine runs well for a long time.Also the problem that existing repair method workload is large and difficulty is high is solved.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
With reference to shown in Figure 1A and 1B, the bus ring grinding tool that the utility model is implemented to provide comprises: at least one grinding tool 1, grinding tool bracket 2, bearer carrier 3; Grinding tool bracket 2 is fixed on bearer carrier 3, and bearer carrier 3 can be fixed on bus ring 6 position.
Concrete, shown in figure 2A and Fig. 2 B, grinding tool bracket 2 specifically comprises bracket outer cover 4 and hold down gag 5, and hold down gag 5 is connected on bracket outer cover 4, and grinding tool 1 is arranged in bracket outer cover 4, and grinding tool 1 front end protrudes from bracket outer cover 4; Wherein, grinding tool 1 is positioned at the transmission front of hold down gag 5, thus with reference to shown in Figure 1A and 1B, grinding tool 1 is pressed to bus ring 6 by hold down gag 5.In specific implementation process, the number of grinding tool 1 is mated with the number of bus ring 6, and such as, as shown in figs. ib and 2b, rotor-exciting system has two bus rings 6, then on grinding tool bracket 2, correspondence is provided with two grinding tools 1.
Concrete, need electrical power to operate during online reconditioning, now bus ring 6 is charged, therefore needs to carry out electric insulation.Continue with reference to shown in figure 2A and Fig. 2 B, bus ring grinding tool in the utility model embodiment also comprises insulating lining 7, insulating lining 7 is arranged in the accommodation space of bracket outer cover 4 front end, shown in concrete reference diagram 2C, insulating lining 7 outwards has opening, grinding tool 1 is fixed in the opening of insulating lining 7 by grinding tool securing member 8, and wherein, the front end of grinding tool 1 protrudes from outside the opening of insulating lining 7.In specific implementation process, shown in figure 2C, insulating lining 7 forms the accommodation space of accommodating grinding tool 1, achieves between grinding tool 1 and other parts, and the electric insulation between each grinding tool 1.
Further, shown in Figure 1B and Fig. 2 B, bus ring grinding tool in the utility model embodiment also comprises back-moving spring 9, one end of back-moving spring 9 is fixed on insulating lining 7, the other end of back-moving spring 9 is fixed on the inwall of bracket outer cover 4, thus gives insulating lining 7 tensile-elasticity backward.
In specific implementation process, the hold down gag 5 in the utility model is one or more, and with reference to shown in Figure 1B and 2B, each grinding tool 1 correspondence is provided with a hold down gag 5, carries out electrical isolation between multiple grinding tool 1 by insulating lining 7.
More specifically, shown in concrete reference diagram 3A, Fig. 3 B, Fig. 3 C of structure of bracket outer cover 4, bracket outer cover 4 is hollow, the untight rectangle outer cover of one side, and the rear wall of bracket outer cover 4 has tapped through hole 4-1, and the upper wall of bracket 4 has breach 4-2.
Concrete, shown in figure 4, each hold down gag 5 comprises: guide pillar 10, hold-down bolt 11, holddown spring 12.Holddown spring 12 is set on guide pillar 10, and the front end of guide pillar 10 is fixed on insulating lining 7.In specific implementation process, in conjunction with reference to shown in figure 5A, Fig. 5 B, the front end of guide pillar 10 is external screw thread, be threaded connection be fixed to insulating lining 7 rear wall on.In conjunction with reference to shown in figure 3A, Fig. 3 C and Fig. 4, Fig. 6 A, the hollow screw of hold-down bolt 11 is through the tapped through hole 4-1 of bracket outer cover 4 rear wall, and the rear end of guide pillar 10 is inserted in the hollow screw of hold-down bolt 11.
By above-mentioned hold down gag 5, rotatably compress bolt 11 inwardly to rotate relative to bracket outer cover 4, hold-down bolt 11 compresses holddown spring 12, drive the thrust of holddown spring 12 pairs of insulating linings 7, thus the grinding tool 1 be fixed on insulating lining 7 is pressed to bus ring 6, make, between grinding tool 1 and bus ring 6, there is certain pressure, thus when bus ring 6 rotating operation, grinding tool 1 can carry out reconditioning to bus ring 6.
Further, shown in figure 6A and Fig. 6 B, hold down gag 5 also comprises the parts that indicated pressure regulates: pressure regulates pressure scale 15 and the pointer window 4-3 of pointer 13 and adaptation.As shown in Figure 6A, pressure regulates pointer 13 to be fixed on the end, rear end of holddown spring 12, and in specific implementation process, the rear end of holddown spring 12 is provided with spring shield 14, then holddown spring 12 is directly fixed on spring shield 14.As shown in Figure 6B, the sidewall of bracket outer cover 4 has pointer window 4-3, and pointer window 4-3 is other indicates pressure scale 15.Thus when regulating holddown spring 12 by hold-down bolt 11, the pressure of current holddown spring 12 pairs of grinding tools 1 can be determined from pointer window 4-3 and pressure scale 15.Wherein, pressure Principles of Regulation for: the elastic force that holddown spring 12 produces is directly proportional to its reduction length, F=Kx, wherein F is elastic pressure, K is coefficient of elasticity, and x is compression displacement, therefore can according to the coefficient of elasticity of holddown spring 12, calculate the spring-compressed length corresponding to different pressure, length dimension is labeled in the other mineralization pressure scale 15 of pointer window 4-3 of bracket outer cover 4.
Concrete, bearer carrier 3 is bolt fastening structure or permanent-magnet suction cup structure.As shown in Figure 7, use bearer carrier 3 for permanent-magnet suction cup structure, fix whole bus ring grinding tool more simply and easily and put in place when base plate is ferromagnetic material, bearer carrier 3 is that then use location is more extensive for bolt fastening structure as shown in Figure 1A.
Below, the course of work of the bus ring grinding tool in the utility model is described, hold-down bolt 11 inwardly rotates relative to bracket outer cover 4, the rear end of guide pillar 10 is inserted in hollow screw, the end face pushing holddown spring 12 of the hollow screw of hold-down bolt 11, then holddown spring 12 pushes insulating lining 7, grinding tool 1 fixing on insulating lining 7 contacts bus ring 6 surface and produces certain pressure, when bus ring rotating operation, bus ring 6 rotates relative to grinding tool 1, then grinding tool 1 just can carry out reconditioning to bus ring 6 surface.
Technical scheme in the utility model embodiment, at least has following technique effect or advantage:
Hold down gag in the bus ring grinding tool provided by the utility model is relative to the inside transmission of bracket outer cover, grinding tool can be promoted and press to bus ring, make, between grinding tool and bus ring, there is certain pressure, thus when bus ring rotating operation, grinding tool can carry out reconditioning to bus ring, and the coarse oxidized portion on bus ring surface is fallen in reconditioning.Avoid coarse oxidized portion and form coarse oxide-film in the accumulation of bus ring surface for a long time, and then avoid coarse oxide-film to cause brush and bus ring loose contact, ensure that the rotor-exciting system of synchronous machine runs well for a long time.Also the problem that existing repair method workload is large and difficulty is high is solved.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (8)
1. a bus ring grinding tool, is characterized in that, comprising: at least one grinding tool, grinding tool bracket, bearer carrier;
Described grinding tool bracket is fixed on described bearer carrier, wherein, described grinding tool bracket comprises bracket outer cover and hold down gag, and described hold down gag is connected on described bracket outer cover, described grinding tool is arranged in described bracket outer cover, and described grinding tool front end protrudes from described bracket outer cover;
Wherein, described grinding tool is positioned at the transmission front of described hold down gag, and described grinding tool is pressed to described bus ring by described hold down gag.
2. bus ring grinding tool as claimed in claim 1, it is characterized in that, described bus ring grinding tool also comprises: insulating lining;
Described insulating lining is arranged in the accommodation space of described bracket outer cover, and described insulating lining outwards has opening, and described grinding tool is fixing in said opening, and wherein, the front end of described grinding tool protrudes from described opening.
3. bus ring grinding tool as claimed in claim 2, it is characterized in that, described bus ring grinding tool also comprises: back-moving spring;
One end of described back-moving spring is fixed on described insulating lining, and the other end of described back-moving spring is fixed on the inwall of described bracket outer cover.
4. bus ring grinding tool as claimed in claim 3, it is characterized in that, described hold down gag comprises: guide pillar, hold-down bolt, holddown spring;
Described holddown spring is set on described guide pillar, and the front end of described guide pillar is fixed on described insulating lining, and the hollow screw of described hold-down bolt passes the tapped through hole of described bracket outer cover rear wall, and the rear end of described guide pillar is inserted in described hollow screw.
5. bus ring grinding tool as claimed in claim 4, it is characterized in that, described hold down gag also comprises: pressure regulates pointer;
Described pressure regulates pointer to be fixed on the end, rear end of described holddown spring.
6. bus ring grinding tool as claimed in claim 5, it is characterized in that, the sidewall of described bracket outer cover has pointer window, and described pointer window is other indicates pressure scale.
7. the bus ring grinding tool as described in claim arbitrary in claim 1-6, is characterized in that, described bearer carrier is bolt fastening structure, or permanent-magnet suction cup structure.
8. bus ring grinding tool as claimed in claim 7, it is characterized in that, the number of described grinding tool is mated with the number of described bus ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520645942.5U CN204966929U (en) | 2015-08-25 | 2015-08-25 | Collection electrical slip ring coping instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520645942.5U CN204966929U (en) | 2015-08-25 | 2015-08-25 | Collection electrical slip ring coping instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204966929U true CN204966929U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520645942.5U Active CN204966929U (en) | 2015-08-25 | 2015-08-25 | Collection electrical slip ring coping instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204966929U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785774A (en) * | 2017-01-10 | 2017-05-31 | 首钢京唐钢铁联合有限责任公司 | A kind of bus ring arrangement for grinding and electrical equipment being built in electrical equipment |
| CN106826532A (en) * | 2017-01-10 | 2017-06-13 | 首钢京唐钢铁联合有限责任公司 | A kind of device for polishing pad and rotary electrical apparatus |
| CN108365499A (en) * | 2018-02-01 | 2018-08-03 | 海宁市承志产品设计有限公司 | The online prosthetic device of motor sliding ring |
| CN109842004A (en) * | 2017-11-28 | 2019-06-04 | 中冶宝钢技术服务有限公司 | The online prosthetic device of motor sliding ring and method |
-
2015
- 2015-08-25 CN CN201520645942.5U patent/CN204966929U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785774A (en) * | 2017-01-10 | 2017-05-31 | 首钢京唐钢铁联合有限责任公司 | A kind of bus ring arrangement for grinding and electrical equipment being built in electrical equipment |
| CN106826532A (en) * | 2017-01-10 | 2017-06-13 | 首钢京唐钢铁联合有限责任公司 | A kind of device for polishing pad and rotary electrical apparatus |
| CN106785774B (en) * | 2017-01-10 | 2019-02-01 | 首钢京唐钢铁联合有限责任公司 | A kind of bus ring arrangement for grinding and electrical equipment being built in electrical equipment |
| CN109842004A (en) * | 2017-11-28 | 2019-06-04 | 中冶宝钢技术服务有限公司 | The online prosthetic device of motor sliding ring and method |
| CN109842004B (en) * | 2017-11-28 | 2020-11-10 | 中冶宝钢技术服务有限公司 | Online repairing device and method for motor slip ring |
| CN108365499A (en) * | 2018-02-01 | 2018-08-03 | 海宁市承志产品设计有限公司 | The online prosthetic device of motor sliding ring |
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