CN105490423B - A kind of asymptotic expression cable bond structure - Google Patents
A kind of asymptotic expression cable bond structure Download PDFInfo
- Publication number
- CN105490423B CN105490423B CN201610030923.0A CN201610030923A CN105490423B CN 105490423 B CN105490423 B CN 105490423B CN 201610030923 A CN201610030923 A CN 201610030923A CN 105490423 B CN105490423 B CN 105490423B
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- CN
- China
- Prior art keywords
- cable bond
- cable
- copper strips
- disk
- bond
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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 a kind of asymptotic expression cable bond structures, including two armature coils, the radially inner side for being arranged on the non-commutator connecting pin of two armature coils armature clamping ring, be arranged on the cable bond disk of armature clamping ring radially inner side and be arranged on insulating press boards of the cable bond dish axle to side, two cable bonds are folded between the cable bond disk and insulating press boards, insulating cell is equipped between two cable bonds, insulating trip is equipped between cable bond disk cable bond adjacent thereto, the cable bond is connect by simultaneously headgear with armature coil.The present invention is a kind of asymptotic expression cable bond structure mounted on non-commutator end, to solve the problems, such as that original structure is complicated, make and process and safeguard inconvenience.
Description
Technical field
The invention belongs to large-scale dc motor field more particularly to a kind of asymptotic expression cable bond knots of large-scale dc motor
Structure.
Background technology
Generally using simplex lap winding or multiple road wave winding, multipole simplex lap winding needs to connect to be used for large-scale dc motor
Improve the asymmetric first kind cable bond of motor magnetic circuit, multiple road wave winding needs to connect to ensure each parallel branch resistance of winding
Equal second kind cable bond.
In the prior art, mounted on the asymptotic wire type cable bond of commutator end be by commutator riser be divided into two it is asymptotic
Line conducting wire is connected respectively with the isopotential point of armature winding, and rise piece is simultaneous to play cable bond.Commutator entirety rise piece point
It is two layers, needs to be separated with insulation between two layers of rise piece.Two rise pieces on same commutator segment press pitch to differ one
It is connect with armature winding.It is welded between armature winding and rise piece using molybdenum electrode resistance.Such structure has the disadvantage that：
1st, rise piece is very long, and mechanical strength is low, is easily broken off.
2nd, the measures such as formula fixation need to be fixed or be bundled using wound and bound rope and fix rise piece, needed again between two layers of rise piece exhausted
Edge considerably increases the manufacture difficulty and fabrication cycle of commutator.
3rd, cable bond is mounted on commutator end, and rise piece is as cable bond, and voltage equalizing in full is good, but structure is excessively multiple
Miscellaneous, making, difficulty of processing are big, and the time is longer, influences the integral manufacturing period of motor.
4th, cable bond is mounted on commutator end, easily causes carbon dust accumulation, may cause short trouble.
5th, for rise piece as cable bond, it is inconvenient to safeguard；
6th, using double-deck rise piece, commutator material cost and axial dimension are increased, is unfavorable for motor inner space
Layout..
Welded between armature winding and rise piece using molybdenum electrode resistance, required equipment is complicated, and power consumption is big, to armature winding and
Rise piece removing surface is more demanding.
Invention content
The defects of the purpose of the present invention is being directed to current large-scale dc motor asymptotic expression cable bond structure, provide a kind of installation
In the asymptotic expression cable bond structure of non-commutator end, with solve the problems, such as original structure is complicated, make process and safeguard it is inconvenient.
To achieve the above object, the present invention adopts the following technical scheme that：A kind of asymptotic expression cable bond structure, including two armatures
Coil, be arranged on the non-commutator connecting pin of two armature coils radially inner side armature clamping ring, to be arranged on armature clamping ring diameter inside
The cable bond disk of side and it is arranged on insulating press boards of the cable bond dish axle to side, sandwiched between the cable bond disk and insulating press boards
There are two cable bonds, insulating cell is equipped between two cable bonds, insulating trip, institute are equipped between cable bond disk cable bond adjacent thereto
Cable bond is stated to connect with armature coil by simultaneously headgear.
The cable bond is the flat type copper wire of vertical bending, and cable bond includes radial extension and axially-extending portion；It is described simultaneously
Headgear is gap type and headgear, and headgear is made of copper strips, and headgear is equipped with armature coil socket and cable bond socket, two electricity
Two non-commutator connecting pins of pivot coil stretch into armature coil socket and with and headgear welded together by silver-bearing copper,
The end of two axially-extending portions of two cable bonds stretch into cable bond socket and with and headgear welded together by silver-bearing copper.
Cross-over block is also folded between cable bond disk and insulating press boards, cable bond disk is bolted with insulating press boards
Connection, bolt pass through the cross-over block.
Cross-over block is located at the radially inner side of two cable bonds, is set between cross-over block and two radial extensions of two cable bonds
There is terylene felt.
The outside of two armature coils is equipped with no latitude band.
The insulating trip set between cable bond disk cable bond adjacent thereto is L-type insulating trip, and cable bond disk is adjacent thereto
Cable bond between be equipped with multilayer L-type insulating trip, L-type insulating trip include extend radially out portion and axially extended portion, L-type insulating trip
It extends radially out portion to try to get to the heart of a matter between the radial extension of corresponding cable bond set on cable bond disk, the axially extended portion of L-type insulating trip
It is located between the axially-extending portion of two cable bonds and cable bond disk side wall.
A kind of asymptotic expression cable bond structure of the present invention, has the advantages that：
1st, cable bond is fixed on cable bond disk, and sound construction is reliable.
2nd, cable bond is pressed using slot, and voltage equalizing is good, and copper consumption is few, saves material.
3rd, there is multilayer insulation to separate between cable bond itself tape insulation layer, with cable bond disk, fixing bolt, have good
Insulation performance.
4th, cable bond mold versatility is good；Large-scale dc motor series can be with a general basic mold, for different
Specification makes different transformations, and improvement cost is low.
5th, there is smaller contact resistance, electric conductivity is good between armature coil and cable bond.
6th, using gap type and headgear, it can effectively prevent because and headgear top causes even at the cost of one's life and headgear can not clamp armature
Rosin joint caused by coil and cable bond lead riser.
7th, cable bond individually assembles, and more convenient, saving working hour is operated when cable bond being made to be assembled on cable bond disk；Simultaneously
Since cable bond and commutator are fabricated separately, the manufacture difficulty of commutator is reduced, reduces the motor integral manufacturing period.
8 further shorten armature axial length, take full advantage of the useful space of motor, so as to greatly have compressed electricity
The radial direction of machine and axial profile size make electric machine structure more reasonable, compact.
9th, it is easy to maintain, convenient for repairing.Cable bond is mounted in armature end face, and coil side is changed when this structure is for repairing
Just, it is unlikely to when dismantling coil due to mechanical damage caused by cable bond and armature coil stick to each other.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of simultaneously headgear；
Reference sign：1st, armature coil, 2, armature clamping ring, 3, cable bond disk, it 4A, extends radially out portion, 4B, axial stretches
Go out portion, 5, bolt, 6, cross-over block, 7, terylene felt, 8, insulating cell, 9, insulating press boards, 10A, radial extension, 10B, axial direction
Extension, 11, intermediate insulation piece, 12 and headgear, 13, without latitude band, the 14, first copper strips, the 15, second copper strips, 16, bending edges,
17th, armature coil socket, 18, cable bond socket.
Specific embodiment
By a kind of Fig. 1-asymptotic expression cable bond structure shown in Fig. 2, including two armature coils 1, it is arranged on two armature coils 1
The armature clamping ring 2 of the radially inner side of non-commutator connecting pin, the cable bond disk 3 for being arranged on 2 radially inner side of armature clamping ring and setting
Insulating press boards 9 in the axial side of cable bond disk 3.
1 front end of armature coil connects commutator, and 1 front end of armature coil is commutator connecting pin, and 1 rear end of armature coil does not connect
Commutator is connect, 1 rear end of armature coil is the non-commutator connecting pin of armature coil 1.
Two cable bonds are folded between the cable bond disk 3 and insulating press boards 9, the cable bond is the flat copper of vertical bending
Line, cable bond include the radial extension 10A that radially extends and axially extending axially-extending portion 10B, radial extension 10A and
Axially-extending portion 10B is vertically connected.Two axially extended portion 4B of two cable bonds are in contact.
Insulating cell 8 is equipped between two cable bonds, and insulating cell 8 is folded in two radial extensions of two cable bonds
Between 10A.
Insulating trip is equipped between the cable bond adjacent thereto of cable bond disk 3, between the cable bond adjacent thereto of cable bond disk 3
The insulating trip of setting is L-type insulating trip, and multilayer L-type insulating trip is equipped between the cable bond adjacent thereto of cable bond disk 3.L
The longitudinal section of type insulating trip is in "L" shaped, and what L-type insulating trip included radially extending extends radially out portion 4A and axially extending axial direction
Extension 4B, extends radially out portion 4A and axially extended portion 4B is vertically connected.Cable bond disk 3 includes trying to get to the heart of a matter and side wall.L-type insulating trip
The portion 4A that extends radially out be set on the radial direction tried to get to the heart of a matter with corresponding cable bond (referring to the cable bond adjacent with cable bond disk 3) of cable bond disk 3
Between extension 10A, the axially extended portion 4B of L-type insulating trip is located in the axially-extending portion 10B of two cable bonds and cable bond disk 3
Between side wall.Intermediate insulation is additionally provided between the axially extended portion 4B of L-type insulating trip and two axially-extending portion 10B of two cable bonds
Piece 11.
The cable bond is connect by simultaneously headgear 12 with armature coil 1, and headgear 12 is gap type simultaneously headgear 12, and headgear
12 are made of two copper strips, and headgear 12 be equipped with armature coil socket 17 and cable bond socket 18, two of two armature coils 1
Non- commutator connecting pin stretch into armature coil socket 17 and with and headgear 12 welded together by silver-bearing copper, two cable bonds
Two axially-extending portion 10B end stretch into cable bond socket 18 and with and headgear 12 welded together by silver-bearing copper.
And two copper strips of headgear 12 are respectively the first copper strips 14 and the second copper strips 15,14 middle part of the first copper strips and the second copper strips
15 middle parts are fixedly connected by rivet, and the radial outer end of the second copper strips 15 is equipped with to the vertical bending of 14 radial outer end of the first copper strips
Bending edges 16, the bending edges 16 of the second copper strips 15 are arranged at intervals with the first copper strips 14, the radial inner end of the first copper strips 14 be equipped with to
The bending edges 16 of the vertical bending of second copper strips, 15 radial inner end, the bending edges 16 of the first copper strips 14 are set with the second copper strips 15 for interval
It puts, the bending part of the radially outer side portions of the second copper strips 15, the radially outer side portions of the first copper strips 14 and the second copper strips 15, which encloses, to be set as
The 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 first copper strips
14 bending part, which encloses, is set as the cable bond socket 18.Armature coil socket 17 and cable bond socket 18 are located in two copper strips respectively
Portion both sides.Using be directed toward the direction of rotor center axis as it is introversive, be reversed extroversion.
Cross-over block 6 is also folded between cable bond disk 3 and insulating press boards 9, cross-over block 6 is located at the radial direction of two cable bonds
Inside, cable bond disk 3 are fixedly connected with insulating press boards 9 by bolt 5, bolt 5 pass through the cross-over block 6, cross-over block 6 with
Terylene felt 7 is equipped between two radial extension 10A of two cable bonds.
The radial outside of two armature coils 1 is equipped with no latitude band 13.
Asymptotic expression cable bond structure of the present invention, has the characteristics that：1st, by cable bond disk 3 and non-commutator end electricity
Pivot trim ring 2 is made of one, and in the inside of armature coil 1；2nd, cable bond uses the direct bending of flat type copper wire, stretches out end and curves
90°；3rd, cable bond is individually assembled into an independent great circle ring type component, is assemblied on cable bond disk 3；4th, cable bond is with pressing
It is separated between drum 3 using multilayer insulation piece, blending bolt 5 is fixed；5th, cable bond and armature coil 1 are using gap type and headgear
12 connections are fixed；And headgear 12 is made of copper strips；Between cable bond and simultaneously headgear 12, armature coil 1 and simultaneously between headgear 12
There is larger contact area, make that there is smaller contact resistance between armature winding and cable bond.6th, 1 external part of armature coil
Head, cable bond stretch out end and are inserted into corresponding position and silver-bearing copper weldering in simultaneously headgear 12, and cable bond is made to connect into one with armature coil 1
Body.7th, for ease of arrangement, existing large-scale dc motor is generally pressed using slot.
Claims (5)
1. a kind of asymptotic expression cable bond structure, it is characterised in that：Including two armature coils（1）, be arranged on two armature coils（1）It is non-
The armature clamping ring of the radially inner side of commutator connecting pin（2）, be arranged on armature clamping ring（2）The cable bond disk of radially inner side（3）With
It is arranged on cable bond disk（3）The insulating press boards of axial side（9）, the cable bond disk（3）And insulating press boards（9）Between be folded with
Two cable bonds are equipped with insulating cell between two cable bonds（8）, cable bond disk（3）Insulation is equipped between cable bond adjacent thereto
Piece, the cable bond pass through simultaneously headgear（12）With armature coil（1）Connection, the cable bond are the flat type copper wire of vertical bending,
Crimping includes radial extension（10A）And axially-extending portion（10B）；Described and headgear（12）For gap type and headgear（12）, and
Headgear（12）It is made of copper strips, and headgear（12）Equipped with armature coil socket（17）With cable bond socket（18）, two armature lines
Circle（1）Two non-commutator connecting pins stretch into armature coil socket（17）In and with and headgear（12）It is welded by silver-bearing copper
Together, two axially-extending portions of two cable bonds（10B）End stretch into cable bond socket（18）In and with and headgear（12）
Welded together by silver-bearing copper, and two copper strips of headgear are respectively the first copper strips and the second copper strips, in the middle part of the first copper strips and the
It is fixedly connected in the middle part of two copper strips by rivet, the radial outer end of the second copper strips is equipped with to the vertical bending of the first copper strips radial outer end
Bending edges, the bending edges of the second copper strips and the first copper strips are arranged at intervals, and the radial inner end of the first copper strips is equipped with to the second copper strips diameter
To the bending edges of the vertical bending in inner end, to be arranged at intervals, the diameter of the second copper strips is outside for the bending edges of the first copper strips and the second copper strips
The bending part of side, the radially outer side portions of the first copper strips and the second copper strips, which encloses, is set as the armature coil socket, the second copper strips
Radially inner side portion, the radially inner side portion of the first copper strips and the bending part of the first copper strips enclose and be set as the cable bond socket.
2. a kind of asymptotic expression cable bond structure as described in claim 1, it is characterised in that：Cable bond disk（3）And insulating press boards
（9）Between be also folded with cross-over block（6）, cable bond disk（3）With insulating press boards（9）Pass through bolt（5）It is fixedly connected, bolt
（5）Across the cross-over block（6）.
3. a kind of asymptotic expression cable bond structure as claimed in claim 2, it is characterised in that：Cross-over block（6）It is pressed positioned at two
The radially inner side of line, cross-over block（6）With two radial extensions of two cable bonds（10A）Between be equipped with terylene felt（7）.
4. a kind of asymptotic expression cable bond structure as described in claim 1, it is characterised in that：Two armature coils（1）Outside set
Whether there is latitude band（13）.
5. a kind of asymptotic expression cable bond structure as described in claim 1, it is characterised in that：Cable bond disk（3）Adjacent thereto
The insulating trip set between cable bond be L-type insulating trip, cable bond disk（3）Multilayer L-type is equipped between cable bond adjacent thereto
Insulating trip, L-type insulating trip include extending radially out portion（4A）With axially extended portion（4B）, L-type insulating trip extends radially out portion（4A）
Set on cable bond disk（3）The radial extension tried to get to the heart of a matter with corresponding cable bond（10A）Between, the axially extended portion of L-type insulating trip
（4B）It is located in the axially-extending portion of two cable bonds（10B）With cable bond disk（3）Between side wall.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN105490423A CN105490423A (en) | 2016-04-13 |
| CN105490423B true CN105490423B (en) | 2018-06-19 |
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| 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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| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105490423A (en) | 2016-04-13 |
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