CN201773688U - Insulation installation structure of rotary transformer - Google Patents
Insulation installation structure of rotary transformer Download PDFInfo
- Publication number
- CN201773688U CN201773688U CN2010205214860U CN201020521486U CN201773688U CN 201773688 U CN201773688 U CN 201773688U CN 2010205214860 U CN2010205214860 U CN 2010205214860U CN 201020521486 U CN201020521486 U CN 201020521486U CN 201773688 U CN201773688 U CN 201773688U
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- resolver
- stator
- motor
- insulating
- rotor
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Abstract
The utility model discloses an insulation installation structure of rotary transformer comprising a rotary transformer, a motor and a motor shaft. The rotary transformer comprises a rotary transformer stator, a rotary transformer rotor and an insulation base fixedly disposed on the motor and is provided with an inner spigot, the inner diameter of which is the same as the outer diameter of the rotary transformer stator, besides, the rotary transformer stator is disposed in the inner spigot. A stator pressing plate is pressed on the outside of the insulation base as well as the outside of the rotary transformer stator, and is fixedly connected with the motor. An insulation shaft sleeve is a cylindrical sleeve having the stage-shaped surface and is sleeved on the motor shaft, besides, the rotary transformer rotor is sleeved on the outside of the insulation shaft sleeve. A rotor pressing plate is constituted by a cylindrical shell, which is sleeved on the outside of the insulation shaft sleeve and is pressed on the rotary transformer rotor, and an end plate, which is fixedly connected with the motor shaft. A protective cover is covered and fixed on the motor. By using the insulation installation structure provided in the utility model, the rotary transformer stator and the rotary transformer rotor can be insulated from the motor, thereby the rotation transformer can not be interfered by the static electricity.
Description
Technical field
The utility model relates to a kind of insulating mounting structure of resolver, relates in particular to a kind of resolver and drives with the insulating mounting structure on the motor at motor vehicle.
Background technology
At present, most of motors mainly carry out the mensuration of speed by the installation encoder, motor vehicle drives with motor and is installed in the vehicle bottom, environment for use is more abominable, vehicle shakes very big in motion, and the code-disc degree of protection of encoder is not high, shakes bad easily, frequency of maintenance height, thereby the whole chassis reliability of influence.See also Fig. 1 and Fig. 2, resolver is a kind of electromagnetic sensor, stator 1 ' and rotor 2 ' are split type, can be contained in to be used on the motor test the speed, and compare in light weight with conventional codec, volume is small and exquisite, very high degree of protection is arranged, the high-intensity vibrations of ability, not water funk and greasy dirt, useful life can decades-long, very is adapted at motor vehicle and drives with using on the motor.
But for various reasons, the motor surface can produce some static during operation, though these static are little to motor influence itself, resolver produced disturb easily, thus the normal output that varying signal is revolved in influence.Therefore, general mounting structure is difficult to meet the demands.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art and insulating mounting structure that a kind of resolver is provided, and this insulating mounting structure makes resolver avoid being subjected to the interference of motor static.
The technical scheme that realizes above-mentioned purpose is: a kind of insulating mounting structure of resolver, comprise resolver, motor and machine shaft, described resolver comprises split type resolver stator and resolver rotor, resolver stator and resolver rotor axial aligned in position, all has key on resolver rotor and the machine shaft, wherein, also comprise:
One insulating base, this insulating base ringwise, on described motor, this insulating base has the inner stopper that the external diameter of an internal diameter and described resolver stator is complementary by first screw for it, described resolver stator is installed in this inner stopper;
Stator pressing plate is pressed on outside described insulating base and the resolver stator, and fixes by second screw and the described motor of axial setting;
One insulating sleeve, be placed on the described machine shaft, this insulating sleeve is the cylindrical sleeve that outer surface is stage shape, and on the inside and outside perisporium of the little stage of external diameter, also be symmetrically distributed with two keyways, described resolver rotor is placed in outside the described insulating sleeve, and a keyway on epitrochanterian key of resolver and the insulating sleeve is complementary, and another keyway on the insulating sleeve and the key on the described machine shaft are complementary;
One rotor pressing plate is placed in the outer and end plate that cylinder and that push down the resolver rotor is positioned at this cylinder end face of described insulating sleeve by one and constitutes, and described end plate is fixed by the 4th screw and described machine shaft;
One protective cover covers in the outside of motor and rotary transformer, by the 3rd screw that radially is provided with on described motor.
The insulating mounting structure of above-mentioned resolver, wherein, described motor includes the outer bearing cover that is positioned at the motor non-shaft stretching end, described insulating base also has a male half coupling, this male half coupling and described outer bearing cover are complementary, described stator pressing plate and described outer bearing cover are by described second screw, and the outer bearing cover of described protective cover and motor is fixed.
The insulating mounting structure of above-mentioned resolver, wherein, described stator pressing plate comprises a fixed block and the briquetting vertical with this fixed block, described fixed block is fixed by second screw and described outer bearing cover, and be affixed on the periphery wall of described insulating base, described briquetting is affixed on an end face of the installation resolver stator of described insulating base.
The insulating mounting structure of above-mentioned resolver wherein, also is provided with one second pad between the fixed block of described stator pressing plate and the described outer bearing cover.
The insulating mounting structure of above-mentioned resolver, wherein, described stator pressing plate is four, being distributed in uniformly with the machine shaft is on the circumference in the center of circle.
The insulating mounting structure of above-mentioned resolver wherein, also comprises a back-up ring, and this back-up ring is placed in the outer so that insulating sleeve of described insulating sleeve and fixes.
The insulating mounting structure of above-mentioned resolver wherein, also is folded with one deck first pad between the inner stopper of described insulating base and the described resolver stator.
The beneficial effects of the utility model are: insulating mounting structure of the present utility model realizes the stator and rotor part and the electrical machine insulation of resolver, become the interference of avoiding static thereby make to revolve, the insulating mounting structure of the utility model resolver is applicable to motor vehicle driving motor.
Description of drawings
Fig. 1 is the front view of resolver;
Fig. 2 is the end view of resolver;
Fig. 3 is the cross-sectional view of the insulating mounting structure of resolver of the present utility model;
Fig. 4 is that the A of Fig. 3 is to view;
Fig. 5 is the structural representation of insulating base in the insulating mounting structure of resolver of the present utility model;
Fig. 6 is the A-A view of Fig. 5;
Fig. 7 is the front view of insulating sleeve in the insulating mounting structure of resolver of the present utility model;
Fig. 8 is the side view cutaway drawing of insulating sleeve in the insulating mounting structure of resolver of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
See also Fig. 3 to Fig. 8, there is shown the insulating mounting structure of a kind of resolver of the present utility model, comprise resolver, motor 16 and machine shaft 15, resolver comprises split type resolver stator 2 and resolver rotor 1, resolver stator 2 aligns with resolver rotor 1 axial location, all has the key (not shown) on resolver rotor 1 and the machine shaft 15, motor 16 includes the outer bearing cover 161 that is positioned at the motor non-shaft stretching end, also comprises:
One insulating base 4, this insulating base 4 ringwise, it is fixed on the motor 16 by first screw 5, this insulating base 4 has the inner stopper 41 that the external diameter of an internal diameter and resolver stator 2 is complementary, resolver stator 2 is installed in this inner stopper 41, also is folded with one deck first pad 3 between the inner stopper 41 of insulating base 4 and the resolver stator 2, and insulating base 4 also has a male half coupling 42, this male half coupling 42 is complementary with outer bearing cover 161;
Stator pressing plate 8, be pressed on outside insulating base 4 and the resolver stator 2, and it is fixing with motor 16 by second screw 9 that axially is provided with, stator pressing plate 8 is four, being distributed in machine shaft 15 uniformly is on the circumference in the center of circle, stator pressing plate 8 is fixing by second screw 9 with outer bearing cover 161, and protective cover 14 is fixing with the outer bearing cover 161 of motor 16;
Stator pressing plate 8 comprises a fixed block 81 and the briquetting 82 vertical with this fixed block 81, fixed block 81 is fixing with outer bearing cover 161 by second screw 9, and be affixed on the periphery wall of insulating base 4, briquetting 82 is affixed on an end face of the installation resolver stator 2 of insulating base 4;
Also be provided with one second pad 6 between the fixed block 81 of stator pressing plate 8 and the outer bearing cover 161;
One insulating sleeve 11, on the machine shaft 15 that is placed in, this insulating sleeve 11 is the cylindrical sleeve of stage shape for outer surface, and on the inside and outside perisporium of the little stage of external diameter, also be symmetrically distributed with two keyways 111, resolver rotor 1 is placed in outside the insulating sleeve 11, and a keyway 111 on key on the resolver rotor 1 and the insulating sleeve 11 is complementary, and another keyway 111 on the insulating sleeve 11 is complementary with the key on the machine shaft 15;
One rotor pressing plate 10 is placed in the outer and end plate 102 that cylinder 101 and that push down resolver rotor 1 is positioned at these cylinder 101 end faces of insulating sleeve 11 by one and constitutes, and end plate 102 is fixing with machine shaft 15 by the 4th screw 13;
One protective cover 14 covers in the outside of motor 16 and rotary transformer, is fixed on the motor 16 by the 3rd screw 7 that radially is provided with;
It is outer so that insulating sleeve 11 is fixing that one back-up ring 12, this back-up ring 12 are placed in insulating sleeve 11.
The material selection epoxy fabric swatch of insulating sleeve 11, effect are that resolver rotor 1 and motor 16 are isolated
Because resolver is split type, in order to make resolver stator 2 and resolver rotor 1 center-aligned, adorn resolver rotor 1 during installation earlier, after being fixed, resolver rotor 1 refills resolver stator 2.Step is as follows:
1. insulating sleeve 11 is inserted in machine shaft 15.
2. fixing with ring washer 12.
3. resolver rotor 1 is inserted in insulating sleeve 11.
4. compress with rotor pressing plate 10 and fix with the 4th screw 13.
5. insulating base 4 is fixed on the motor 16, fixing with first screw 5.
6. the insulating base 4 of resolver stator 2 being packed into, and finely tune resolver stator 2 centers according to actual needs and make it to align with resolver rotor 1 center.Increase by first pad 3 or second pad 6 and adjust the axial location of resolver stator 2, make the alignment of resolver stator 2 and resolver rotor 1 axial location.
7. compress resolver stator 2 with stator pressing plate 8, and fixing with second screw 9.
8. protective cover 14 is installed, and fixing with the 3rd screw 7, play the certain protection effect.
By the test on same motor relatively, it is normal that the revolving of installation insulation system of the present utility model becomes output waveform, and the varying signal output of revolving that general uninsulated structure is installed has been subjected to very big interference, is difficult to export normal waveform.This shows that this insulation system can make effectively to revolve and become the interference of avoiding motor static.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (7)
1. the insulating mounting structure of a resolver, comprise resolver, motor and machine shaft, described resolver comprises split type resolver stator and resolver rotor, resolver stator and resolver rotor axial aligned in position, all has key on resolver rotor and the machine shaft, it is characterized in that, also comprise:
One insulating base, this insulating base ringwise, on described motor, this insulating base has the inner stopper that the external diameter of an internal diameter and described resolver stator is complementary by first screw for it, described resolver stator is installed in this inner stopper;
Stator pressing plate is pressed on outside described insulating base and the resolver stator, and fixes by second screw and the described motor of axial setting;
One insulating sleeve, be placed on the described machine shaft, this insulating sleeve is the cylindrical sleeve that outer surface is stage shape, and on the inside and outside perisporium of the little stage of external diameter, also be symmetrically distributed with two keyways, described resolver rotor is placed in outside the described insulating sleeve, and a keyway on epitrochanterian key of resolver and the insulating sleeve is complementary, and another keyway on the insulating sleeve and the key on the described machine shaft are complementary;
One rotor pressing plate is placed in the outer and end plate that cylinder and that push down the resolver rotor is positioned at this cylinder end face of described insulating sleeve by one and constitutes, and described end plate is fixed by the 4th screw and described machine shaft;
One protective cover covers in the outside of motor and rotary transformer, by the 3rd screw that radially is provided with on described motor.
2. the insulating mounting structure of resolver according to claim 1, it is characterized in that, described motor includes the outer bearing cover that is positioned at the motor non-shaft stretching end, described insulating base also has a male half coupling, this male half coupling and described outer bearing cover are complementary, described stator pressing plate and described outer bearing cover are by described second screw, and the outer bearing cover of described protective cover and motor is fixed.
3. the insulating mounting structure of resolver according to claim 1 and 2, it is characterized in that, described stator pressing plate comprises a fixed block and the briquetting vertical with this fixed block, described fixed block is fixed by second screw and described outer bearing cover, and be affixed on the periphery wall of described insulating base, described briquetting is affixed on an end face of the installation resolver stator of described insulating base.
4. the insulating mounting structure of resolver according to claim 3 is characterized in that, also is provided with one second pad between the fixed block of described stator pressing plate and the described outer bearing cover.
5. the insulating mounting structure of resolver according to claim 1 is characterized in that, described stator pressing plate is four, and being distributed in uniformly with the machine shaft is on the circumference in the center of circle.
6. the insulating mounting structure of resolver according to claim 1 is characterized in that, also comprises a back-up ring, and this back-up ring is placed in the outer so that insulating sleeve of described insulating sleeve and fixes.
7. the insulating mounting structure of resolver according to claim 1 is characterized in that, also is folded with one deck first pad between the inner stopper of described insulating base and the described resolver stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205214860U CN201773688U (en) | 2010-09-08 | 2010-09-08 | Insulation installation structure of rotary transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205214860U CN201773688U (en) | 2010-09-08 | 2010-09-08 | Insulation installation structure of rotary transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201773688U true CN201773688U (en) | 2011-03-23 |
Family
ID=43753531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205214860U Expired - Lifetime CN201773688U (en) | 2010-09-08 | 2010-09-08 | Insulation installation structure of rotary transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201773688U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655116A (en) * | 2016-03-10 | 2016-06-08 | 王喜平 | Injection molding structure of stator iron core of rotary transformer |
| CN106253556A (en) * | 2016-08-13 | 2016-12-21 | 中车永济电机有限公司 | A kind of subway permanent magnet traction motor |
| CN107968498A (en) * | 2017-12-29 | 2018-04-27 | 天津创远亿德科技发展有限公司 | A kind of switched reluctance machines |
-
2010
- 2010-09-08 CN CN2010205214860U patent/CN201773688U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655116A (en) * | 2016-03-10 | 2016-06-08 | 王喜平 | Injection molding structure of stator iron core of rotary transformer |
| CN106253556A (en) * | 2016-08-13 | 2016-12-21 | 中车永济电机有限公司 | A kind of subway permanent magnet traction motor |
| CN106253556B (en) * | 2016-08-13 | 2018-11-23 | 中车永济电机有限公司 | A kind of subway permanent magnet traction motor |
| CN107968498A (en) * | 2017-12-29 | 2018-04-27 | 天津创远亿德科技发展有限公司 | A kind of switched reluctance machines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |
|
| CX01 | Expiry of patent term |