CN204271416U - A kind of collector ring of generator current equalizer - Google Patents
A kind of collector ring of generator current equalizer Download PDFInfo
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- CN204271416U CN204271416U CN201420755526.6U CN201420755526U CN204271416U CN 204271416 U CN204271416 U CN 204271416U CN 201420755526 U CN201420755526 U CN 201420755526U CN 204271416 U CN204271416 U CN 204271416U
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- collector ring
- ring
- contact screw
- nut
- flexible link
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Abstract
The utility model discloses a kind of collector ring of generator current equalizer, the flow equalizing ring comprising conducting rod, contact screw, collector ring and be arranged on collector ring, contact screw one end and conducting rod are threaded connection, it is characterized in that: also comprise nut, the described contact screw other end is connected with nut by screw thread, described nut and collector ring matched in clearance, described contact screw is connected with flexible link, flexible link is positioned at collector ring excircle side, described flexible link is connected with described flow equalizing ring, and described flow equalizing ring puts together on collector ring excircle.The utility model can eliminate the effect of contact screw centrifugal force to collector ring, and contact screw has self adaptation expansion room, can effectively prevent collector ring to be out of shape, and ensures collector ring and carbon brush good contact, improves generator unit generating efficiency.
Description
Technical field
The utility model relates to technical field of generators, particularly relates to a kind of collector ring of generator current equalizer.
Background technology
Collector ring is also conducting ring, slip ring, collecting ring, collector ring etc.It can be used in any require continuous rotation while, need again to transmit from fixed position to position of rotation in the Mechatronic Systems of power supply and signal.Collector ring can improve systematic function, simplied system structure, avoids wire to cause in rotary course and sprains.
Collector ring is applied in static excitation generator, the introducing of the exciting current of excitation generator must rely on the collector ring of two coaxial rotatings to realize, collector ring serves as the terminals of rotor coil, the direct current of excitation to be contacted with two collector rings by carbon brush to flow to rotor excitatory.And the current equalizer of collector ring of generator is current conducting device exciting current being caused contact screw by collector ring, the mounting means of prior art contact screw, generally that one end is connected with collector ring by pressure cap, the other end is connected with the conducting rod at generator amature axle center place, namely adopt with pressure cap above contact screw and be threaded, below also adopts with conducting rod and is threaded, but owing to there is gap between conducting rod and shaft central hole, contact screw can only be overcome by pressure cap because self rotating generation centrifugal force, the centrifugal action that pressure cap passes over is on collector ring, exacerbate the distortion of collector ring, secondly, contact screw adopting hard lead-in wire to be rigidly connected with being fixedly connected with of collector ring, cause the thermal expansion not having unnecessary space for contact screw between contact screw and collector ring, contact screw thermal expansion can impact collector ring, easily causes the distortion of collector ring.Above-mentioned two problems is especially outstanding on large scale, collector ring with high current.
Publication number is CN 203608038U, publication date is that the Chinese patent literature of on 05 21st, 2014 discloses a kind of static excitation generator contact screw mounting structure, comprise contact screw, armature spindle, collector ring and generator main conducting rod, it is characterized in that: the two ends of contact screw are provided with screw thread, the middle part surface of contact screw is provided with insulating barrier; Contact screw one end and generator main conducting rod bolt, the contact screw other end is through after the screw hole on armature spindle, be bolted with the first nut and wing nut successively from outside to inside, wing nut is by its external screw thread and collector ring bolt, and collector ring is contained on armature spindle by the first insulating sleeve; Wing nut the inner is crimped with the second insulating sleeve, and the second insulating sleeve to be set on contact screw and to press between type conical bench in its inner and described screw hole and is provided with sealing ring.
Static excitation generator contact screw mounting structure disclosed in this patent documentation, contact screw one end and generator main conducting rod bolt, the other end is through after the screw hole on armature spindle, be bolted with the first nut and wing nut successively from outside to inside, wing nut is by its external screw thread and collector ring bolt, due to the setting of wing nut, although the High Rotation Speed centrifugal force suffered by contact screw can be overcome.But the centrifugal action passed over from wing nut, on collector ring, can aggravate the distortion of collector ring, secondly, due to the first wing nut, the setting of the second wing nut, and the flow equalizing ring arranged between the first nut and the first wing nut, be covered in collector ring angle head cylindrical place due to flow equalizing ring and be rigidly connected by bolt and collector ring, cause the thermal expansion not having unnecessary space for contact screw between contact screw and collector ring, once contact screw thermal expansion, extruding will be caused to collector ring, collector ring is easily caused to be out of shape, collector ring deform just can not with carbon brush good contact, thus cause the exciting current of excitation generator normally not introduce, have a strong impact on generator unit generating efficiency.
Utility model content
The utility model is in order to overcome the defect of above-mentioned prior art, a kind of collector ring of generator current equalizer is provided, the utility model can eliminate the effect of contact screw centrifugal force to collector ring, and contact screw has self adaptation expansion room, can collector ring be effectively prevented to be out of shape, ensure collector ring and carbon brush good contact, improve generator unit generating efficiency.
The utility model is achieved through the following technical solutions:
A kind of collector ring of generator current equalizer, the flow equalizing ring comprising conducting rod, contact screw, collector ring and be arranged on collector ring, contact screw one end and conducting rod are threaded connection, it is characterized in that: also comprise nut, the described contact screw other end is connected with nut by screw thread, described nut and collector ring matched in clearance, described contact screw is connected with flexible link, flexible link is positioned at collector ring excircle side, described flexible link is connected with described flow equalizing ring, and described flow equalizing ring puts together on collector ring excircle.
Described flexible link is made up of integrated first elasticity linkage section, socket section and the second elasticity linkage section, and the solderless wrapped connection of socket section is on contact screw, and the first elasticity linkage section and the second elasticity linkage section are welded on flow equalizing ring respectively.
Described flexible link is copper lamination or the zinc-plated lamination of copper.
The cross section of described nut is in " T " font.
Described flow equalizing ring is made up of two symmetrical semi-rings, and two symmetrical semi-rings put together on collector ring excircle.
The beneficial effects of the utility model are mainly manifested in the following aspects:
One, the utility model, also comprise nut, contact screw one end and conducting rod are threaded connection, the contact screw other end is connected with nut by screw thread, nut and collector ring matched in clearance, compared to employing pressure cap and collector ring screw thread Hard link, contact screw rotates the centrifugal force produced can not be delivered to collector ring by pressure cap, and the conducting rod screw thread of below can only be acted on, thus eliminate the effect of contact screw centrifugal force to collector ring, avoid collector ring to deform; Contact screw is connected with flexible link, flexible link is positioned at collector ring excircle side, flexible link is connected with described flow equalizing ring, flow equalizing ring puts together on collector ring excircle, compared to prior art collector ring and contact screw Hard link, employing is flexible coupling, and can provide adaptive space for the thermal expansion of contact screw, eliminate the role and influence of contact screw thermal expansion to collector ring simultaneously, thus ensure collector ring job stability; This technical scheme entirety can eliminate the effect of contact screw centrifugal force to collector ring, and contact screw has self adaptation expansion room, can effectively prevent collector ring to be out of shape, and ensures collector ring and carbon brush good contact, improves generator unit generating efficiency.
Two, the utility model, flexible link is made up of integrated first elasticity linkage section, socket section and the second elasticity linkage section, the solderless wrapped connection of socket section is on contact screw, first elasticity linkage section and the second elasticity linkage section are welded on flow equalizing ring respectively, structure is simple, has good conductivity, the first elasticity linkage section and the second elasticity linkage section ductility better, can, further for the thermal expansion of contact screw provides adaptive space, collector ring be effectively avoided to deform.
Three, the utility model, flexible link is copper lamination or the zinc-plated lamination of copper, can ensure conductivity and the ductility of flexible link, and is easy to install.
Four, the utility model, the cross section of nut is in " T " font, compared with the structure that prior art is coordinated by inside and outside pressure cap, structure is all simpler with installation, and the two ends of " T " font nut can form better matched in clearance with collector ring, further elimination contact screw centrifugal force to the effect of collector ring, thus effectively avoids collector ring to deform.
Five, the utility model, flow equalizing ring is made up of two symmetrical semi-rings, and two symmetrical semi-rings put together on collector ring excircle, achieve the all-round shunting of collector ring, make CURRENT DISTRIBUTION evenly, increase the current carrying capacity of whole device.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation that the utility model applies whole collector ring current equalizer in example 4;
Mark in figure: 1, conducting rod, 2, contact screw, 3, collector ring, 4, flow equalizing ring, 5, nut, 6, flexible link, the 7, first elasticity linkage section, 8, socket section, the 9, second elasticity linkage section, 10, semi-ring.
Embodiment
Embodiment 1
See Fig. 1, a kind of collector ring of generator current equalizer, the flow equalizing ring 4 comprising conducting rod 1, contact screw 2, collector ring 3 and be arranged on collector ring 3, contact screw 2 one end and conducting rod 1 are threaded connection, also comprise nut 5, described contact screw 2 other end is connected with nut 5 by screw thread, described nut 5 and collector ring 3 matched in clearance, described contact screw 2 is connected with flexible link 6, flexible link 6 is positioned at collector ring 3 excircle side, described flexible link 6 is connected with described flow equalizing ring 4, and described flow equalizing ring 4 puts together on collector ring 3 excircle.The cross section of described nut 5 is in " T " font.
The present embodiment is the most basic execution mode, structure is simple, adopt such structure, compared to employing pressure cap and collector ring 3 screw thread Hard link, contact screw 2 rotates the centrifugal force produced can not be delivered to collector ring 3 by pressure cap, and conducting rod 1 screw thread of below can only be acted on, thus eliminate contact screw 2 centrifugal force to the effect of collector ring 3, avoid collector ring 3 to deform; Contact screw 2 is connected with flexible link 6, flexible link 6 is positioned at collector ring 3 excircle side, flexible link 6 is connected with described flow equalizing ring 4, flow equalizing ring 4 puts together on collector ring 3 excircle, compared to prior art collector ring 3 and contact screw 2 Hard link, employing is flexible coupling, and can provide adaptive space for the thermal expansion of contact screw 2, eliminate contact screw 2 thermal expansion to the role and influence of collector ring 3 simultaneously, thus ensure collector ring 3 job stability; This technical scheme entirety can eliminate contact screw 2 centrifugal force to the effect of collector ring 3, and contact screw 2 has self adaptation expansion room, can effectively prevent collector ring 3 to be out of shape, and ensures collector ring 3 and carbon brush good contact, improves generator unit generating efficiency.The cross section of nut 5 is in " T " font, compared with the structure that prior art is coordinated by inside and outside pressure cap, structure is all simpler with installation, and the two ends of " T " font nut 5 can form better matched in clearance with collector ring 3, further elimination contact screw 2 centrifugal force to the effect of collector ring 3, thus effectively avoids collector ring 3 to deform.
Embodiment 2
See Fig. 2, a kind of collector ring of generator current equalizer, the flow equalizing ring 4 comprising conducting rod 1, contact screw 2, collector ring 3 and be arranged on collector ring 3, contact screw 2 one end and conducting rod 1 are threaded connection, also comprise nut 5, described contact screw 2 other end is connected with nut 5 by screw thread, described nut 5 and collector ring 3 matched in clearance, described contact screw 2 is connected with flexible link 6, flexible link 6 is positioned at collector ring 3 excircle side, described flexible link 6 is connected with described flow equalizing ring 4, and described flow equalizing ring 4 puts together on collector ring 3 excircle.
Described flexible link 6 is made up of integrated first elasticity linkage section 7, socket section 8 and the second elasticity linkage section 9, and the solderless wrapped connection of socket section 8 is on contact screw 2, and the first elasticity linkage section 7 and the second elasticity linkage section 9 are welded on flow equalizing ring 4 respectively.
The cross section of described nut 5 is in " T " font.
The present embodiment is a better embodiment, flexible link 6 is made up of integrated first elasticity linkage section 7, socket section 8 and the second elasticity linkage section 9, the solderless wrapped connection of socket section 8 is on contact screw 2, first elasticity linkage section 7 and the second elasticity linkage section 9 are welded on flow equalizing ring 4 respectively, adopt this ad hoc structure, its structure is simple, there is good conductivity, first elasticity linkage section 7 and the second elasticity linkage section 9 ductility better, can, further for the thermal expansion of contact screw 2 provides adaptive space, collector ring 3 be effectively avoided to deform.
Embodiment 3
See Fig. 2, a kind of collector ring of generator current equalizer, the flow equalizing ring 4 comprising conducting rod 1, contact screw 2, collector ring 3 and be arranged on collector ring 3, contact screw 2 one end and conducting rod 1 are threaded connection, also comprise nut 5, described contact screw 2 other end is connected with nut 5 by screw thread, described nut 5 and collector ring 3 matched in clearance, described contact screw 2 is connected with flexible link 6, flexible link 6 is positioned at collector ring 3 excircle side, described flexible link 6 is connected with described flow equalizing ring 4, and described flow equalizing ring 4 puts together on collector ring 3 excircle.
Described flexible link 6 is made up of integrated first elasticity linkage section 7, socket section 8 and the second elasticity linkage section 9, and the solderless wrapped connection of socket section 8 is on contact screw 2, and the first elasticity linkage section 7 and the second elasticity linkage section 9 are welded on flow equalizing ring 4 respectively.
Described flexible link 6 is copper lamination or the zinc-plated lamination of copper.
The cross section of described nut 5 is in " T " font.
The present embodiment is another better embodiment, the cross section of nut 5 is in " T " font, compared with the structure that prior art is coordinated by inside and outside pressure cap, structure is all simpler with installation, and the two ends of " T " font nut 5 can form better matched in clearance with collector ring 3, further elimination contact screw 2 centrifugal force to the effect of collector ring 3, thus effectively avoids collector ring 3 to deform; Flexible link 6 is copper lamination or the zinc-plated lamination of copper, can ensure conductivity and the ductility of flexible link 6, and is easy to install.
Embodiment 4
See Fig. 2 and Fig. 3, a kind of collector ring of generator current equalizer, the flow equalizing ring 4 comprising conducting rod 1, contact screw 2, collector ring 3 and be arranged on collector ring 3, contact screw 2 one end and conducting rod 1 are threaded connection, also comprise nut 5, described contact screw 2 other end is connected with nut 5 by screw thread, described nut 5 and collector ring 3 matched in clearance, described contact screw 2 is connected with flexible link 6, flexible link 6 is positioned at collector ring 3 excircle side, described flexible link 6 is connected with described flow equalizing ring 4, and described flow equalizing ring 4 puts together on collector ring 3 excircle.
Described flexible link 6 is made up of integrated first elasticity linkage section 7, socket section 8 and the second elasticity linkage section 9, and the solderless wrapped connection of socket section 8 is on contact screw 2, and the first elasticity linkage section 7 and the second elasticity linkage section 9 are welded on flow equalizing ring 4 respectively.
Described flexible link 6 is copper lamination or the zinc-plated lamination of copper.
The cross section of described nut 5 is in " T " font.
Described flow equalizing ring 4 is made up of two symmetrical semi-rings 10, and two symmetrical semi-rings 10 put together on collector ring 3 excircle.
The present embodiment is preferred forms, flexible link 6 is made up of integrated first elasticity linkage section 7, socket section 8 and the second elasticity linkage section 9, the solderless wrapped connection of socket section 8 is on contact screw 2, first elasticity linkage section 7 and the second elasticity linkage section 9 are welded on flow equalizing ring 4 respectively, adopt this ad hoc structure, its structure is simple, there is good conductivity, first elasticity linkage section 7 and the second elasticity linkage section 9 ductility better, can, further for the thermal expansion of contact screw 2 provides adaptive space, collector ring 3 be effectively avoided to deform; Flow equalizing ring 4 is made up of two symmetrical semi-rings 10, and two symmetrical semi-rings 10 put together on collector ring 3 excircle, achieve the all-round shunting of collector ring 3, make CURRENT DISTRIBUTION evenly, increase the current carrying capacity of whole device.
The utility model is not limited to above-described embodiment, and according to the description of above-described embodiment, those of ordinary skill in the art also can make some apparent changes to the utility model, but these changes all should fall within the protection range of the utility model claim.
Claims (5)
1. a collector ring of generator current equalizer, comprise conducting rod (1), contact screw (2), collector ring (3) and the flow equalizing ring (4) be arranged on collector ring (3), contact screw (2) one end and conducting rod (1) are threaded connection, it is characterized in that: also comprise nut (5), described contact screw (2) other end is connected with nut (5) by screw thread, described nut (5) and collector ring (3) matched in clearance, described contact screw (2) is connected with flexible link (6), flexible link (6) is positioned at collector ring (3) excircle side, described flexible link (6) is connected with described flow equalizing ring (4), described flow equalizing ring (4) puts together on collector ring (3) excircle.
2. a kind of collector ring of generator current equalizer according to claim 1, it is characterized in that: described flexible link (6) is made up of integrated first elasticity linkage section (7), socket section (8) and the second elasticity linkage section (9), socket section (8) solderless wrapped connection is on contact screw (2), and the first elasticity linkage section (7) and the second elasticity linkage section (9) are welded on flow equalizing ring (4) respectively.
3. a kind of collector ring of generator current equalizer according to claim 1, is characterized in that: described flexible link (6) is copper lamination or the zinc-plated lamination of copper.
4. a kind of collector ring of generator current equalizer according to claim 1, is characterized in that: the cross section of described nut (5) is in " T " font.
5. a kind of collector ring of generator current equalizer according to claim 1, is characterized in that: described flow equalizing ring (4) is made up of two symmetrical semi-rings (10), and two symmetrical semi-rings (10) put together on collector ring (3) excircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755526.6U CN204271416U (en) | 2014-12-05 | 2014-12-05 | A kind of collector ring of generator current equalizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420755526.6U CN204271416U (en) | 2014-12-05 | 2014-12-05 | A kind of collector ring of generator current equalizer |
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| Publication Number | Publication Date |
|---|---|
| CN204271416U true CN204271416U (en) | 2015-04-15 |
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| CN201420755526.6U Active CN204271416U (en) | 2014-12-05 | 2014-12-05 | A kind of collector ring of generator current equalizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245378A (en) * | 2018-11-27 | 2019-01-18 | 哈尔滨电气动力装备有限公司 | High revolving speed synchronous motor field leads fixed structure |
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2014
- 2014-12-05 CN CN201420755526.6U patent/CN204271416U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245378A (en) * | 2018-11-27 | 2019-01-18 | 哈尔滨电气动力装备有限公司 | High revolving speed synchronous motor field leads fixed structure |
| CN109245378B (en) * | 2018-11-27 | 2024-04-05 | 哈尔滨电气动力装备有限公司 | High-rotation-speed synchronous motor magnetic pole lead fixing structure |
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