CN207134905U - A kind of rotor lead assembling mechanism and electric machine structure - Google Patents
A kind of rotor lead assembling mechanism and electric machine structure Download PDFInfo
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- CN207134905U CN207134905U CN201721184343.3U CN201721184343U CN207134905U CN 207134905 U CN207134905 U CN 207134905U CN 201721184343 U CN201721184343 U CN 201721184343U CN 207134905 U CN207134905 U CN 207134905U
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- rotor
- lead
- leading wire
- assembling mechanism
- inclined hole
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Abstract
A kind of rotor lead assembling mechanism and electric machine structure are the utility model is related to, the rotor lead assembling mechanism includes：Rotor windings outlet copper bar, rotor leading wire and down-lead bracket；One end of wherein described rotor leading wire is connected with rotor windings outlet copper bar, and the other end sequentially passes through inclined hole passage on machine shaft, is connected after central bore passage with motor collecting ring；The down-lead bracket is located on machine shaft, the down-lead bracket be provided with inclined hole channel slopes angle identical inclined plane so that the rotor leading wire keep linear state enter inclined hole passage from inclined plane straight line；Rotor lead assembling mechanism of the present utility model is by using provided with the down-lead bracket with inclined hole channel slopes angle identical inclined plane, rotor leading wire is set to keep linear state to enter inclined hole passage from inclined plane straight line, rotor leading wire bending is avoided, eliminates the hidden danger of rotor leading wire fracture or damage in insulation.
Description
Technical field
It the utility model is related to field of motor manufacturing, and in particular to a kind of rotor lead assembling mechanism and motor machine
Structure.
Background technology
The lead of winding motor rotor windings is mostly cable tail, and passes through the inclined hole in rotating shaft and centre bore and current collection
Ring connects, and the connection of cable and winding and the fixation reliability of cable play a key effect to motor operation stability.Cable
Generally use bolt connection is connected with winding, the fixation of cable is conventional to be fixed on rotating shaft without latitude band colligation or insulated wire pressuring block
On.
Application number CN200920105988.2 patent《A kind of rotor lead connecton layout》Middle rotor lead
Connecton layout, including rotating shaft inclined channel and rotating shaft core duct, rotating shaft aperture fixture, hot compress sleeve pipe, inclined channel cushion block and axle
Heart duct fixed block；Rotating shaft aperture fixture is used to rotor leading wire being fixed on rotating shaft aperture；Hot compress jacket pipe is used to be enclosed on every phase
On rotor leading wire, the every phase rotor leading wire for covering hot compress sleeve pipe penetrates rotating shaft inclined channel and rotating shaft core duct successively；Rotating shaft is oblique
Duct includes three ducts, is respectively used to through three-phase rotor leading wire；Inclined channel cushion block is provided with each inclined channel, for fixing
Rotor leading wire；Axle center duct fixed block is used to fix three-phase rotor leading wire, covers the three-phase rotor leading wire average mark of hot compress sleeve pipe
Cloth is on the circumferential inner wall in rotating shaft core duct.Hot compress sleeve pipe in device provided by the utility model can protect the exhausted of lead
Edge layer, and be beneficial to lead passing through rotating shaft duct；The cushion block and fixed block of offer can buffer the phase between lead and rotating shaft
To vibration, the friction of insulating barrier is reduced.But following defect also be present：1. being fixed using without latitude band banded cable, binding strap is not in
Regular shape, and have vacantly, fracture hidden danger be present；2. cable directly is pressed in into rotating shaft surface using wire pressing seat, cable folding compared with
It is more, and cable stress is larger in assembling process, risk of breakage be present；Consolidate 3. cable is connected the single bolt of generally use with winding
Fixed, poor reliability, contact area is small, easily causes that contact resistance is big, and temperature rise, bolt is heated for a long time easily to occur creep, loosens.
Utility model content
The purpose of this utility model is to provide a kind of rotor lead assembling mechanism and electric machine structure, draws to prevent rotation stop
Line is bent, and eliminates rotor leading wire fracture or damage in insulation hidden danger.
In order to solve the above-mentioned technical problem, the utility model provides a kind of rotor lead assembling mechanism, including：Turn
Sub- winding outlet copper bar, rotor leading wire and down-lead bracket；One end of wherein described rotor leading wire and rotor windings outlet copper bar
It is connected, the other end sequentially passes through inclined hole passage on machine shaft, is connected after central bore passage with motor collecting ring；The lead
Support is located on machine shaft, the down-lead bracket be provided with inclined hole channel slopes angle identical inclined plane so that described turn
Sub- lead keeps linear state to enter inclined hole passage from inclined plane straight line.
Further, the inclined plane, which is provided with, is suitable to two installation through-holes that one lead of installation fixes briquetting；By described
Lead fixation briquetting is by rotor leading wire solid pressure in inclined plane.
Further, the rotor leading wire and lead are lined with conformal felt pad between fixing briquetting.
Further, the rotor windings outlet copper bar is provided with least two installation through-holes；I.e. described installation through-hole is suitable to
One end of rotor leading wire and rotor windings outlet copper bar are fastened by bolt, nut.
Further, the nut uses locking nut, the bolt to be then passed through installation through-hole after being inserted in a locked spacer, so
It is inserted in a saucer washer again afterwards.
Further, filling is impregnated with asphalt mixtures modified by epoxy resin in the gap between the rotor leading wire and inclined hole passage in inclined hole passage
The conformal felt of fat, with fixed rotor lead.
Further, the central bore passage inwall is provided with one layer of cylindrical insulation board, and is filled in central bore passage
There is foam resin, to prevent three-phase rotor leading wire from causing to rub in the movement of central bore passage internal cause.
Another aspect, the utility model additionally provide a kind of electric machine structure, including foregoing rotor lead dress
Distribution structure.
The beneficial effects of the utility model are, rotor lead assembling mechanism of the present utility model by using provided with
The down-lead bracket of inclined hole channel slopes angle identical inclined plane, enables rotor leading wire to keep linear state from inclined plane straight line
Into inclined hole passage, rotor leading wire bending is avoided, the hidden danger of rotor leading wire fracture or damage in insulation is eliminated, further, carries
The high reliability and service life of motor, reduce the maintenance cost of motor.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the semi-cutaway of rotor lead assembling mechanism of the present utility model；
Fig. 2 is the partial view in the A directions along Fig. 1；
Fig. 3 is down-lead bracket structural representation of the present utility model.
Wherein：
Rotor windings outlet copper bar 1, bolt and nut component 2, locked spacer 3, lead are fixed briquetting 4, machine shaft 5, turned
Sub- lead 6, insulation board 7, foam resin 8, down-lead bracket 9, screw 10, conformal felt 11, saucer washer 12, stay bolt 13,
Installation through-hole 15, nut 16 on stop washer 14, down-lead bracket inclined plane.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment 1 provides a kind of assembling structure of rotor lead 6, including：Rotor
Winding outlet copper bar 1, rotor leading wire 6 and down-lead bracket 9；One end of wherein described rotor leading wire 6 and rotor windings outlet copper
Row 1 is connected, and the other end sequentially passes through inclined hole passage on machine shaft 5, is connected after central bore passage with motor collecting ring；It is described
Down-lead bracket 9 is located on machine shaft 5, the down-lead bracket 9 be provided with inclined hole channel slopes angle identical inclined plane so that
The rotor leading wire 6 keeps linear state to enter inclined hole passage from inclined plane straight line.
Specifically, the down-lead bracket 9 is made using nonmagnetic metal material, and machine shaft 5 is fixed on screw 10
On；Down-lead bracket 9 be provided with inclined hole channel slopes angle identical inclined plane, the rotor leading wire 6 can be made to keep straight line
State enters inclined hole passage from inclined plane straight line, and the rotor leading wire 6 for avoiding overhead positions is bent, and eliminates rotor leading wire 6 and is broken
Or damage in insulation hidden danger.
The inclined plane, which is provided with, is suitable to two installation through-holes 15 that one lead of installation fixes briquetting 4；Pass through the lead
Fixed briquetting 4 is by the solid pressure of rotor leading wire 6 in inclined plane.
Fig. 2 and Fig. 3 are referred to, specifically, lead fixation briquetting 4 is adopted and is made from an insulative material；Weld at the inclined plane back side
Two nuts 16 corresponding with two sizes of installation through-hole 15 in inclined plane are connected to, then coordinates stay bolt 13 to fix lead and presses
Block 4 is fixed in the inclined plane of down-lead bracket 9.
Preferably, the rotor leading wire 6 and lead are lined with conformal felt pad between fixing briquetting 4, are consolidated with improving lead
Level pressure block 4 can protect rotor leading wire 6 to the compression effect of rotor leading wire 6, prevent lead from fixing briquetting 4 and drawing to rotor
Line 6 causes to damage；Stay bolt 13 is also used cooperatively with stop washer 14, is fixed briquetting 4 with further anchor leg, is prevented lead
Fixed briquetting 4 loosens.
As a preferred embodiment, the rotor windings outlet copper bar 1 is provided with least two installation through-holes；I.e.
The installation through-hole is suitable to one end of rotor leading wire 6 and rotor windings outlet by bolt, nut (i.e. bolt and nut component 2)
Copper bar 1 fastens, using at least two groups of bolts, nut fixed form, compared with using single group bolt, nut fixed form, increase
Contact area between rotor leading wire 6 and rotor windings outlet copper bar 1, reduces contact resistance, so as to reduce contact position
The temperature rise put.
Specifically, the nut uses locking nut, the bolt to be then passed through installation through-hole after being inserted in a locked spacer 3,
Then a saucer washer 12 is inserted in again, and the one side of saucer washer 12 can provide enough thrusts, on the other hand can support
The creep being under long-term thermic load effect that disappears loosens, and avoids contact of the rotor leading wire 6 with the junction of rotor windings outlet copper bar 1
Resistance becomes big, further results in loose contact, the connection that shelf depreciation burns rotor leading wire 6 and rotor windings outlet copper bar 1 connects
Head；Meanwhile by the pair of horns bending of locked spacer 3, to prevent bolt from rotating.
Filling is impregnated with the suitable of epoxy resin in the gap between rotor leading wire 6 and inclined hole passage in inclined hole passage
Shape felt 11, with fixed rotor lead 6.
Specifically, the solidification of the conformal felt 11 by being impregnated with epoxy resin, makes rotor leading wire 6 solid in inclined hole passage
It is fixed.
The central bore passage inwall is provided with one layer of cylindrical insulation board 7, and foam is filled with central bore passage
Resin material 8, to prevent three-phase rotor leading wire 6 from causing to rub in the movement of central bore passage internal cause.
Specifically, after the three-phase rotor leading wire 6 in penetrating into center hole passage is made in order in central bore passage filled and process
Resin material 8, after the solidification of foam resin 8, three-phase rotor leading wire 6 is fixed, effectively can be prevented in motor operation course,
Three-phase rotor leading wire 6 causes to rub in the movement of central bore passage internal cause, and damages the insulating barrier of rotor leading wire 6, while foam tree
Fat material 8 has pooling feature, and facilitates dismounting and change.
Embodiment 2
On the basis of embodiment 1, the present embodiment 2 provides a kind of electric machine structure, including motor as described in Example 1
Rotor leading wire assembling structure, rotor lead assembling mechanism is elaborated in embodiment 1, it is no longer superfluous herein
State.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (8)
- A kind of 1. rotor lead assembling mechanism, it is characterised in that including：Rotor windings outlet copper bar, rotor leading wire and down-lead bracket；WhereinOne end of the rotor leading wire is connected with rotor windings outlet copper bar, and the inclined hole that the other end is sequentially passed through on machine shaft leads to It is connected after road, central bore passage with motor collecting ring；The down-lead bracket is located on machine shaft, and the down-lead bracket is provided with to be tilted with inclined hole channel slopes angle identical Face, so that the rotor leading wire keeps linear state to enter inclined hole passage from inclined plane straight line.
- 2. rotor lead assembling mechanism according to claim 1, it is characterised in thatThe inclined plane, which is provided with, is suitable to two installation through-holes that one lead of installation fixes briquetting；By the lead fix briquetting by rotor leading wire solid pressure in inclined plane.
- 3. rotor lead assembling mechanism according to claim 2, it is characterised in thatThe rotor leading wire and lead are lined with conformal felt pad between fixing briquetting.
- 4. rotor lead assembling mechanism according to claim 1, it is characterised in thatThe rotor windings outlet copper bar is provided with least two installation through-holes；I.e.The installation through-hole is suitable to fasten one end of rotor leading wire and rotor windings outlet copper bar by bolt, nut.
- 5. rotor lead assembling mechanism according to claim 4, it is characterised in thatThe nut uses locking nut, the bolt to be then passed through installation through-hole after being inserted in a locked spacer, is then inserted in one again Saucer washer.
- 6. according to the rotor lead assembling mechanism described in claim any one of 1-5, it is characterised in thatFilling is impregnated with the conformal felt of epoxy resin in the gap between rotor leading wire and inclined hole passage in inclined hole passage, With fixed rotor lead.
- 7. rotor lead assembling mechanism according to claim 6, it is characterised in thatThe central bore passage inwall is provided with one layer of cylindrical insulation board, and foamed resin material is filled with central bore passage Material, to prevent three-phase rotor leading wire from causing to rub in the movement of central bore passage internal cause.
- 8. a kind of electric machine structure, it is characterised in that assemble knot including the rotor lead as described in claim any one of 1-7 Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184343.3U CN207134905U (en) | 2017-09-15 | 2017-09-15 | A kind of rotor lead assembling mechanism and electric machine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184343.3U CN207134905U (en) | 2017-09-15 | 2017-09-15 | A kind of rotor lead assembling mechanism and electric machine structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207134905U true CN207134905U (en) | 2018-03-23 |
Family
ID=61638778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721184343.3U Active CN207134905U (en) | 2017-09-15 | 2017-09-15 | A kind of rotor lead assembling mechanism and electric machine structure |
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| Country | Link |
|---|---|
| CN (1) | CN207134905U (en) |
Cited By (3)
| 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 |
| CN114137312A (en) * | 2020-11-02 | 2022-03-04 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
| CN114499000A (en) * | 2021-12-30 | 2022-05-13 | 西安中车永电捷力风能有限公司 | Rotor outgoing line fixing structure of wound-rotor asynchronous motor |
-
2017
- 2017-09-15 CN CN201721184343.3U patent/CN207134905U/en active Active
Cited By (5)
| 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 |
| CN114137312A (en) * | 2020-11-02 | 2022-03-04 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
| CN114137312B (en) * | 2020-11-02 | 2023-12-22 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
| CN114499000A (en) * | 2021-12-30 | 2022-05-13 | 西安中车永电捷力风能有限公司 | Rotor outgoing line fixing structure of wound-rotor asynchronous motor |
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