CN105490423A - Asymptotical equalizing wire structure - Google Patents
Asymptotical equalizing wire structure Download PDFInfo
- Publication number
- CN105490423A CN105490423A CN201610030923.0A CN201610030923A CN105490423A CN 105490423 A CN105490423 A CN 105490423A CN 201610030923 A CN201610030923 A CN 201610030923A CN 105490423 A CN105490423 A CN 105490423A
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- CN
- China
- Prior art keywords
- equalizer
- dish
- headgear
- armature
- equalizers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
- Dc Machiner (AREA)
Abstract
The invention discloses an asymptotical equalizing wire structure which comprises the components of two armature coils, an armature clamping ring which is arranged at the radial inside of a non-commutator connecting end of the two armature coils, an equalizing spool which is arranged at the radial inside of the armature clamping ring, and an insulated pressure board which is arranged at the axial side of the equalizing spool. Two equalizing wires are sandwiches between the equalizing spool and the insulated pressure board. An insulated gasket is arranged between the two equalizing wires. An insulating plate is arranged between the equalizing spool and the adjacent equalizing wires. The equalizing wires are connected with the armature coils through an end joining sleeve. The asymptotical equalizing wire structure is mounted on the non-commutator end for settling the problems of complicated original structure, inconvenient manufacture and inconvenient maintenance.
Description
Technical field
The invention belongs to large-scale dc motor field, particularly relate to a kind of asymptotic expression equalizer structure of large-scale dc motor.
Background technology
Large-scale dc motor generally adopts simplex lap winding or multiple road wave winding, multipole simplex lap winding needs to connect for improving motor magnetic circuit asymmetric first kind equalizer, and multiple road wave winding needs to connect in order to ensure the second kind equalizer that winding each parallel branch resistance is equal.
In prior art, the asymptote formula equalizer being arranged on commutator end commutator riser is divided into two asymptote wires, is connected respectively with the isopotential point of armature winding, and rise piece has been held concurrently the effect of equalizer.The overall rise piece of commutator is divided into two-layer, needs to separate with insulation between two-layer rise piece.Two rise pieces on same commutator segment all press pitch to be connected with armature winding to differ one.Molybdenum electrode resistance is adopted to weld between armature winding and rise piece.This kind of structure has following shortcoming:
1, rise piece is very long, and mechanical strength is low, easily ruptures.
2, tie need be adopted to fix or harness formula is fixing etc. that rise piece is fixed in measure, need again insulation between two-layer rise piece, considerably increase manufacture difficulty and the fabrication cycle of commutator.
3, equalizer is arranged on commutator end, and rise piece, as equalizer, fully all press effective, but structure is too complicated, and greatly, the time is longer, affects the integral manufacturing cycle of motor for making, difficulty of processing.
4, equalizer is arranged on commutator end, easily causes carbon dust to pile up, and may cause short trouble.
5, rise piece is as equalizer, safeguards inconvenience;
6, adopt double-deck rise piece, add commutator material cost and axial dimension, be unfavorable for the layout in motor internal space.。
Adopt molybdenum electrode resistance to weld between armature winding and rise piece, equipment needed thereby is complicated, and power consumption is large, requires higher to armature winding and rise piece removing surface.
Summary of the invention
The object of the invention is the defect for current large-scale dc motor asymptotic expression equalizer structure, a kind of asymptotic expression equalizer structure being arranged on non-commutator end is provided, to solve original structure complexity, make processing and safeguard inconvenient problem.
For achieving the above object, the present invention adopts following technical scheme: a kind of asymptotic expression equalizer structure, comprise two armature coils, be arranged on the armature clamping ring of the radially inner side of the non-commutator link of two armature coils, be arranged on the equalizer dish of armature clamping ring radially inner side and be arranged on the insulating press boards of the axial side of equalizer dish, two equalizers are folded with between described equalizer dish and insulating press boards, insulating cell is provided with between two equalizers, be provided with insulating trip between the equalizer that equalizer dish is adjacent, described equalizer passes through and headgear is connected with armature coil.
Described equalizer is the flat type copper wire of vertical bending, and equalizer comprises radial extension and axial extension; Described and headgear is gap type and headgear, and headgear is made up of copper strips, and headgear is provided with armature coil socket and equalizer socket, two non-commutator links of two armature coils all to stretch in armature coil socket and with and headgear welded together by silver-bearing copper, the end of two axial extensions of two equalizers all to be stretched in equalizer socket and is welded together by silver-bearing copper with also headgear.
Also be folded with cross-over block between equalizer dish and insulating press boards, equalizer dish and insulating press boards are bolted to connection, and bolt is through described cross-over block.
Cross-over block is positioned at the radially inner side of two equalizers, is provided with terylene felt between cross-over block and two radial extensions of two equalizers.
The outside of two armature coils is provided with without latitude band.
The insulating trip arranged between the equalizer that equalizer dish is adjacent is L-type insulating trip, multilayer L-type insulating trip is provided with between the equalizer that equalizer dish is adjacent, L-type insulating trip comprises the portion of extending radially out and axial extension, the portion of extending radially out of L-type insulating trip is located at equalizer dish and tries to get to the heart of a matter and between the radial extension of corresponding equalizer, the axial extension of L-type insulating trip is located between the axial extension of two equalizers and equalizer dish sidewall.
A kind of asymptotic expression equalizer structure of the present invention, has following beneficial effect:
1, equalizer is fixed on equalizer dish, and sound construction is reliable.
2, equalizer adopts groove all to press, and all press effective, copper consumption is few, saves material.
3, there is multilayer insulation to separate between equalizer its own band insulating barrier, and equalizer dish, set bolt, there are good insulation property.
4, equalizer mould versatility is good; Large-scale dc motor series can a general basic mould, and make difference transformation for different specifications, improvement cost is low.
5, have less contact resistance between armature coil and equalizer, electric conductivity is good.
6, adopt gap type headgear, can effectively prevent because of and the rosin joint that headgear top causes also headgear cannot clamp armature coil and equalizer lead riser even at the cost of one's life to cause.
7, equalizer assembles separately, operates more convenient when equalizer is assembled on equalizer dish, saves man-hour; Make because equalizer and commutator separate simultaneously, reduce the manufacture difficulty of commutator, reduce whole motor fabrication cycle.
8 further shorten armature axial length, take full advantage of the useful space of motor, thus have compressed radial direction and the axial profile size of motor greatly, make electric machine structure more reasonable, compact.
9, easy to maintenance, be convenient to repair.Equalizer is contained in armature end face, and this structure is more convenient for changeing coil during repairing, is unlikely to due to equalizer and the armature coil inter-adhesive mechanical damage caused during dismounting coil.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is and the structural representation of headgear;
Description of reference numerals: 1, armature coil, 2, armature clamping ring, 3, equalizer dish, 4A, extend radially out portion, 4B, axial extension, 5, bolt, 6, cross-over block, 7, terylene felt, 8, insulating cell, 9, insulating press boards, 10A, radial extension, 10B, axial extension, 11, intermediate insulation sheet, 12 and headgear, 13, without latitude band, the 14, first copper strips, the 15, second copper strips, 16, bending edges, 17, armature coil socket, 18, equalizer socket.
Embodiment
By a kind of asymptotic expression equalizer structure shown in Fig. 1-Fig. 2, comprise two armature coils 1, be arranged on the armature clamping ring 2 of the radially inner side of two armature coils 1 non-commutator link, be arranged on the equalizer dish 3 of armature clamping ring 2 radially inner side and be arranged on the insulating press boards 9 of the axial side of equalizer dish 3.
Armature coil 1 front end connects commutator, and armature coil 1 front end is commutator link, and armature coil 1 rear end does not connect commutator, and armature coil 1 rear end is the non-commutator link of armature coil 1.
Two equalizers are folded with between described equalizer dish 3 and insulating press boards 9, described equalizer is the flat type copper wire of vertical bending, equalizer comprises the radial radial extension 10A that extends and axially extended axial extension 10B, radial extension 10A are vertical with axial extension 10B is connected.Two axial extension 4B of two equalizers contact.
Be provided with insulating cell 8 between two equalizers, and insulating cell 8 is folded between two radial extension 10A of two equalizers.
Be provided with insulating trip between the equalizer that equalizer dish 3 is adjacent, the insulating trip arranged between the equalizer that equalizer dish 3 is adjacent is L-type insulating trip, and is provided with multilayer L-type insulating trip between the equalizer that is adjacent of equalizer dish 3.The longitudinal section of L-type insulating trip is "L" shaped, and L-type insulating trip comprises the radial portion that the extends radially out 4A that extends and axially extended axial extension 4B, extends radially out that portion 4A is vertical with axial extension 4B to be connected.Equalizer dish 3 comprises tries to get to the heart of a matter and sidewall.The portion that the extends radially out 4A of L-type insulating trip is located at equalizer dish 3 and tries to get to the heart of a matter and between the radial extension 10A of corresponding equalizer (referring to the equalizer adjacent with equalizer dish 3), the axial extension 4B of L-type insulating trip is located between the axial extension 10B of two equalizers and equalizer dish 3 sidewall.Intermediate insulation sheet 11 is also provided with between the axial extension 4B of L-type insulating trip and two axial extension 10B of two equalizers.
Described equalizer passes through and headgear 12 is connected with armature coil 1, and headgear 12 is gap type and headgear 12, and headgear 12 is made up of two copper strips, and headgear 12 is provided with armature coil socket 17 and equalizer socket 18, two non-commutator links of two armature coils 1 all to stretch in armature coil socket 17 and with and headgear 12 welded together by silver-bearing copper, the end of two axial extension 10B of two equalizers all to be stretched in equalizer socket 18 and is welded together by silver-bearing copper with also headgear 12.
And two copper strips of headgear 12 are respectively the first copper strips 14 and the second copper strips 15, be fixedly connected with by rivet in the middle part of first copper strips 14 with in the middle part of the second copper strips 15, the radial outer end of the second copper strips 15 is provided with the bending edges 16 to the vertical bending of the first copper strips 14 radial outer end, the bending edges 16 of the second copper strips 15 and the first copper strips 14 interval are arranged, the radial inner end of the first copper strips 14 is provided with the bending edges 16 to the vertical bending of the second copper strips 15 radial inner end, the bending edges 16 of the first copper strips 14 and the second copper strips 15 are arranged for interval, the radially outer side portions of the second copper strips 15, the radially outer side portions of the first copper strips 14 and the bending part of the second copper strips 15 are enclosed to form described armature coil socket 17, the radially inner side portion of the second copper strips 15, the radially inner side portion of the first copper strips 14 and the bending part of the first copper strips 14 are enclosed to form described equalizer socket 18.Armature coil socket 17 and equalizer socket 18 lay respectively at both sides in the middle part of two copper strips.Be introversion with the direction pointing to rotor center axis, be reversed extroversion.
Cross-over block 6 is also folded with between equalizer dish 3 and insulating press boards 9, cross-over block 6 is positioned at the radially inner side of two equalizers, equalizer dish 3 is fixedly connected with by bolt 5 with insulating press boards 9, bolt 5, through described cross-over block 6, is provided with terylene felt 7 between cross-over block 6 and two radial extension 10A of two equalizers.
The radial outside of two armature coils 1 is provided with without latitude band 13.
Asymptotic expression equalizer structure of the present invention, has following characteristics: 1, equalizer dish 3 and non-commutator end armature clamping ring 2 are made of one, and in the inner side of armature coil 1; 2, equalizer adopts the direct bending of flat type copper wire, stretches out termination and curves 90 °; 3, equalizer is assembled into separately independently great circle ring type parts, is assemblied on equalizer dish 3; 4, adopt multilayer insulation sheet to separate between equalizer and equalizer dish 3, and fix with bolt 5; 5, equalizer and armature coil 1 adopt gap type and headgear 12 is connected and fixed; And headgear 12 adopts copper strips to make; Equalizer and and headgear 12 between, armature coil 1 and and headgear 12 between have larger contact area, make that there is between armature winding and equalizer less contact resistance.6, armature coil 1 stretch out termination, equalizer stretch out termination insert and headgear 12 in correspondence position and silver-bearing copper weldering, equalizer and armature coil 1 are linked into an integrated entity.7, for ease of arranging, existing large-scale dc motor generally adopts groove all to press.
Claims (6)
1. an asymptotic expression equalizer structure, it is characterized in that: comprise two armature coils (1), be arranged on the armature clamping ring (2) of the radially inner side of the non-commutator link of two armature coils (1), be arranged on the equalizer dish (3) of armature clamping ring (2) radially inner side and be arranged on the insulating press boards (9) of equalizer dish (3) axial side, two equalizers are folded with between described equalizer dish (3) and insulating press boards (9), insulating cell (8) is provided with between two equalizers, insulating trip is provided with between the equalizer that equalizer dish (3) is adjacent, described equalizer passes through and headgear (12) is connected with armature coil (1).
2. a kind of asymptotic expression equalizer structure as claimed in claim 1, is characterized in that: described equalizer is the flat type copper wire of vertical bending, and equalizer comprises radial extension (10A) and axial extension (10B); Described and headgear (12) is for gap type and headgear (12), and headgear (12) is made up of copper strips, and headgear (12) is provided with armature coil socket (17) and equalizer socket (18), two non-commutator links of two armature coils (1) all to stretch in armature coil socket (17) and with and headgear (12) welded together by silver-bearing copper, the end of two axial extensions (10B) of two equalizers all to be stretched in equalizer socket (18) and is welded together by silver-bearing copper with also headgear (12).
3. a kind of asymptotic expression equalizer structure as claimed in claim 2, it is characterized in that: between equalizer dish (3) and insulating press boards (9), be also folded with cross-over block (6), equalizer dish (3) is fixedly connected with by bolt (5) with insulating press boards (9), and bolt (5) is through described cross-over block (6).
4. a kind of asymptotic expression equalizer structure as claimed in claim 3, it is characterized in that: cross-over block (6) is positioned at the radially inner side of two equalizers, between cross-over block (6) and two radial extensions (10A) of two equalizers, be provided with terylene felt (7).
5. a kind of asymptotic expression equalizer structure as claimed in claim 1, is characterized in that: the outside of two armature coils (1) is provided with without latitude band (13).
6. a kind of asymptotic expression equalizer structure as claimed in claim 1, it is characterized in that: the insulating trip arranged between the equalizer that equalizer dish (3) is adjacent is L-type insulating trip, multilayer L-type insulating trip is provided with between the equalizer that equalizer dish (3) is adjacent, L-type insulating trip comprises the portion of extending radially out (4A) and axial extension (4B), the portion that extends radially out (4A) of L-type insulating trip is located at equalizer dish (3) and tries to get to the heart of a matter and between the radial extension (10A) of corresponding equalizer, the axial extension (4B) of L-type insulating trip is located between the axial extension (10B) of two equalizers and equalizer dish (3) sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030923.0A CN105490423B (en) | 2016-01-18 | 2016-01-18 | A kind of asymptotic expression cable bond structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030923.0A CN105490423B (en) | 2016-01-18 | 2016-01-18 | A kind of asymptotic expression cable bond structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105490423A true CN105490423A (en) | 2016-04-13 |
| CN105490423B CN105490423B (en) | 2018-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610030923.0A Active CN105490423B (en) | 2016-01-18 | 2016-01-18 | A kind of asymptotic expression cable bond structure |
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| Country | Link |
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| CN (1) | CN105490423B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5606212A (en) * | 1993-05-17 | 1997-02-25 | Kabushiki Kaisha Toshiba | Rotor of rotary electric-machine |
| CN204203346U (en) * | 2014-09-16 | 2015-03-11 | 哈尔滨电机厂有限责任公司 | DC motor rotor cable bond current measurement system |
| CN204241121U (en) * | 2014-07-15 | 2015-04-01 | 哈尔滨电机厂有限责任公司 | DC motor rotor cable bond temperature measuring equipment |
| CN205377504U (en) * | 2016-01-18 | 2016-07-06 | 中电电机股份有限公司 | Equal cable pressing structures of asymptotic expression |
-
2016
- 2016-01-18 CN CN201610030923.0A patent/CN105490423B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5606212A (en) * | 1993-05-17 | 1997-02-25 | Kabushiki Kaisha Toshiba | Rotor of rotary electric-machine |
| CN204241121U (en) * | 2014-07-15 | 2015-04-01 | 哈尔滨电机厂有限责任公司 | DC motor rotor cable bond temperature measuring equipment |
| CN204203346U (en) * | 2014-09-16 | 2015-03-11 | 哈尔滨电机厂有限责任公司 | DC motor rotor cable bond current measurement system |
| CN205377504U (en) * | 2016-01-18 | 2016-07-06 | 中电电机股份有限公司 | Equal cable pressing structures of asymptotic expression |
Non-Patent Citations (1)
| Title |
|---|
| 赵家礼、才家刚等: "《电动机修理手册 第三版》", 31 March 2003, 机械工业出版社 * |
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| Publication number | Publication date |
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| CN105490423B (en) | 2018-06-19 |
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