CN203758664U - Test device of interference fit force between inner water jacket and stator - Google Patents
Test device of interference fit force between inner water jacket and stator Download PDFInfo
- Publication number
- CN203758664U CN203758664U CN201420063526.XU CN201420063526U CN203758664U CN 203758664 U CN203758664 U CN 203758664U CN 201420063526 U CN201420063526 U CN 201420063526U CN 203758664 U CN203758664 U CN 203758664U
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- Prior art keywords
- stator
- inner water
- interference fit
- water sleeve
- fixed
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000009434 installation Methods 0.000 claims description 28
- 210000002435 tendon Anatomy 0.000 claims description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 12
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 8
- 239000002826 coolant Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007781 pre-processing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a test device of interference fit force between an inner water jacket and a stator. The test device comprises a stator fixing device and a twist sleeve. The stator fixing device is used for fixing the stator. The twist sleeve comprises a head and a twist arm. The head fixedly sleeves the inner water jacket. According to the test device of interference fit force between the inner water jacket and the stator, which is provided by the utility model, the stator fixing device is used as a stationary part, while the twist sleeve is used as a moving part; when in use, the stator fixing device fixes the stator; the twist sleeve sleeves and is fixed on the inner water jacket on the outer edge of the stator in an interference manner, so as to realize force transferring; pressure is slowly applied on the twist arm of the twist sleeve, until the twist sleeve rotates; the maximum pressure value applied on the twist arm is recorded, and is multiplied by force arm to calculate the maximum torque produced by the interference fit force between the inner water jacket and the stator; and the test device can conveniently and rapidly detect the interference fit force between the inner water jacket and the stator.
Description
Technical field
The utility model relates to Motor Measuring Technology, particularly the proving installation of interference fit power between a kind of inner water sleeve and stator.
Background technology
Electric automobile when especially the motor of mixed power electric car is worked under the larger and complicated operating mode of load, will produce a large amount of heats.If heat is discharged not in time, will impact the performance of motor.
If motor is positioned at the front deck of automobile, due to front deck environment temperature very high (generally exceeding 100 DEG C), also can make the temperature of motor increase thereupon.Some are integrated in to the hybrid electric vehicle between engine and wheel box by motor, and the temperature in speed change box clutch housing is higher, and regional area may reach 300 DEG C of left and right in some cases.
The heat of the generation of engine and wheel box can pass on motor, causes that motor temperature further raises, and the normal work of motor is caused to serious threat.Therefore a set of effective cooling system must be set on electric motor of automobile, the temperature of motor is remained in rational scope.
Chinese patent ZL200820034844.8 discloses motor water cooling housing for electric automobile, as Fig. 1, Fig. 2, shown in Fig. 3, motor water cooling housing for electric automobile is by inner water sleeve 2, outer water jacket 1, water inlet pipe 9, rising pipe 6, stator back-up ring 8 forms, inner water sleeve 2 and outer water jacket 1 are all middle open circles annular structures, inner water sleeve 2 is socketed in hollow in outer water jacket 1, the cavity 14 that inner water sleeve 2 and outer water jacket 1 are encircled into is the flow channel of liquid coolant, the outside surface of inner water sleeve 2 has groove 15, in cavity, 14 form water channel, groove 15 plays the effect of heat radiator, increase with the contact area of liquid coolant and can take away more heat.Inner water sleeve 2 is identical with the width of outer water jacket 1, and dowel hole 5 is positioned on the step surface of outer water jacket 1, and pin 11 connects inner water sleeve 2 and outer water jacket 1 by dowel hole 5, between inner water sleeve 2 and outer water jacket 1, is provided with O-ring seal 13, realizes effective sealing, prevents liquid coolant leakage.Water inlet pipe 9 and rising pipe 6 are threaded connection with outer water jacket 1, and the cavity 14 being encircled into inner water sleeve 2 and outer water jacket 1 communicates, water inlet pipe 9 is positioned at the below of outer water jacket 1 centerline direction, rising pipe 6 is positioned at the top of outer water jacket 1 centerline direction, liquid coolant enters from below, is conducive to discharge the gas in cavity.
One end of three stator cables 16 is connected with stator 7, and the other end is connected with the cable splice 3 being arranged on water cooled housing.Outer water jacket 1 is threaded connection with stator back-up ring 8, and restriction inner water sleeve 2 and stator 7 move axially.Inner water sleeve 2 inside surfaces are close to stator 7, and in the time of machine operation, the heat of stator 7 passes to inner water sleeve 2, then pass to the liquid coolant in cavity 14, take away the heat of motor by circulating of liquid coolant.
On the surperficial end face of outer water jacket 1, have a circle bolt hole 4, be used for mounted motor, the installation site of motor determines according to actual conditions, can be between engine and wheel box, engine, motor and wheel box are fixed together with bolt.
More abundant in order to dispel the heat, inner water sleeve is with conventionally connecting to improve contact effect in interference mode between stator.
At present, the design of the interference fit power that inner water sleeve connects with interference between stator has mainly been calculated by theory, lacks experimental verification.
Utility model content
The technical problems to be solved in the utility model is to provide the proving installation of interference fit power between a kind of inner water sleeve and stator, can detect quickly and easily inner water sleeve with the interference fit power between stator.
For solving the problems of the technologies described above, the proving installation of interference fit power between the inner water sleeve that the utility model provides and stator, it comprises that a stator fixing apparatus, one turn round cover;
Described stator fixing apparatus, for fixed stator;
The described cover of turning round, comprises head, turns round arm;
Described head, for the sheathed inner water sleeve that is fixed on.
Preferably, described head is circular, and circular head inner ring is provided with many convex tendons vertically.
Preferably, described stator fixing apparatus, comprises a pedestal, two end casings, back shaft, multiple lock-screw, multiple check nut;
Shown in pedestal, comprise a base plate, two side plates;
Described two side plates, lower end is separately fixed on described base plate, and upper end is respectively arranged with rectangular aperture;
Described end casing, periphery is rounded, and the middle part in end casing outside is fixed with a back-up block;
Described back-up block, is rotational symmetry 2N limit shape, and has the width adaptation of the rectangular aperture of one group of distance between opposite side and described side plate upper end at least, and N is more than or equal to 2 integer;
The periphery place of described end casing, is provided with multiple locking through holes;
The central authorities of described end casing and described back-up block, are formed with the axis hole that a radial section is regular polygon vertically;
Described back shaft, middle part is that radial section is with the suitable regular polygon of described axis hole;
Described back shaft, for through two end casings and the axis hole of back-up block and the endoporus of stator, makes described back shaft with circumferentially fixing between two end casings and back-up block thereof;
Described lock-screw, for being fastened on respectively behind the two ends of stator at described two end casings, through the locking through hole at periphery place and the through hole of stator yoke portion on described two end casings;
Described check nut, is fixed on described lock-screw for spiral shell, and described two end casings are locked to stator two ends.
Preferably, described stator fixing apparatus also comprises that two are supported nut;
Described back shaft, two ends are that radial section is long-pending compared with the long-pending little circular double-screw bolt of middle part radial section;
Described two are supported nut, for being fastened on respectively stator two ends and described back shaft at described two end casings after two end casings and the axis hole of back-up block and the endoporus of stator, spiral shell is fixed on the circular double-screw bolt at described back shaft two ends, and described back shaft is fixed together with described two end casings and stator.
Preferably, N is 2.
Preferably, described end casing, inner side outer rim is provided with circular chute;
The described cover of turning round, also comprises multiple bearing poles and multiple bearing;
Described multiple bearing pole, turns round the side of the circular head of cover described in one end is fixed on respectively;
Described multiple bearing, is separately fixed at the other end of described multiple bearing poles and can rotates around bearing pole.
The proving installation of interference fit power between inner water sleeve of the present utility model and stator, stator fixing apparatus, as stationary part, is turned round cover as motion parts.When use, the fixing stator with stator fixing apparatus realization; Turn round and be enclosed within on the inner water sleeve that interference is fixed on stator outer rim, the convex tendon of turning round cover head inner ring is snapped in to the groove that the preprocessing of inner water sleeve outer ring goes out, turn round the convex tendon of cover head inner ring and inner water sleeve outer ring aluminium ring groove and form and coordinate, the transmission of realizable force.The arm of turning round of turning round cover is slowly exerted pressure, rotate until turn round cover, record is applied to the maximum pressure value of turning round arm, and is multiplied by the arm of force and can calculates the peak torque that interference fit power between inner water sleeve and stator produces.The proving installation of interference fit power between inner water sleeve of the present utility model and stator, can detect inner water sleeve quickly and easily with the interference fit power between stator.
Brief description of the drawings
In order to be illustrated more clearly in the technical solution of the utility model, below the accompanying drawing of the required use of the utility model is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the positive facial contour schematic diagram of existing a kind of motor water cooling housing for electric automobile;
Fig. 2 is existing a kind of motor water cooling housing for electric automobile inner structure schematic diagram;
Fig. 3 is the local enlarged diagram of existing a kind of motor water cooling housing for electric automobile inner structure;
Fig. 4 is the proving installation one embodiment schematic diagram of interference fit power between inner water sleeve of the present utility model and stator;
Fig. 5 is the pedestal schematic diagram of proving installation one embodiment of interference fit power between inner water sleeve of the present utility model and stator;
Fig. 6 is the end casing schematic diagram of proving installation one embodiment of interference fit power between inner water sleeve of the present utility model and stator;
Fig. 7 is the support axillare schematic diagram of proving installation one embodiment of interference fit power between inner water sleeve of the present utility model and stator;
Fig. 8 be interference fit power between inner water sleeve of the present utility model and stator proving installation one embodiment turn round cover schematic diagram;
Fig. 9 is that back shaft assembles schematic diagram with end casing;
Figure 10 is that stator is with inner water sleeve interference fit schematic diagram;
Figure 11 end casing and stator assembling schematic diagram;
Figure 12 turns round cover and stator and end casing assembling schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the utility model is carried out to clear, complete description, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, all other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
Embodiment mono-
The proving installation of interference fit power between inner water sleeve and stator, as shown in Figure 4, comprises that a stator fixing apparatus, one turn round cover 5;
Described stator fixing apparatus, for fixed stator;
The described cover 5 of turning round, as shown in Figure 8, comprises head 51, turns round arm 52;
Described head 51, for the sheathed inner water sleeve that is fixed on.
Preferably, described head 51, for circular, circular head inner ring is provided with many convex tendons 511 vertically.
The state of stator together with inner water sleeve interference fit as shown in figure 10.
The proving installation of interference fit power between the inner water sleeve of embodiment mono-and stator, stator fixing apparatus, as stationary part, is turned round cover as motion parts.When use, the fixing stator 8 with stator fixing apparatus realization; Turn round and be enclosed within on the inner water sleeve 9 that interference is fixed on stator 9 outer rims, the convex tendon of turning round cover head inner ring is snapped in to the groove 91 that inner water sleeve 9 outer ring preprocessings go out, turn round the convex tendon 511 of cover head inner ring and inner water sleeve 9 outer ring aluminium ring grooves 91 and form and coordinate, the transmission of realizable force.The arm 52 of turning round of turning round cover 5 is slowly exerted pressure, overlap until turn round rotate (note: fine rotation occurs), adopt pressing machine automatically record or working pressure sensor record be applied to the maximum pressure value of turning round arm, and be multiplied by the arm of force and can calculate the peak torque that between inner water sleeve and stator, interference fit power produces.The proving installation of interference fit power between the inner water sleeve of embodiment mono-and stator, can detect inner water sleeve quickly and easily with the interference fit power between stator.
Embodiment bis-
The proving installation of interference fit power between the inner water sleeve based on embodiment mono-and stator, as shown in Figure 4, described stator fixing apparatus, comprises a pedestal 1, two end casings 3, back shaft 2, multiple lock-screw 6, multiple check nut 61;
Described pedestal 1, as shown in Figure 5, comprises a base plate 11, two side plates 12;
Described two side plates 12, lower end is separately fixed on described base plate 11, and upper end is respectively arranged with rectangular aperture 121;
Described end casing 3, as shown in Figure 6, periphery is rounded, and the middle part in end casing 3 outsides is fixed with a back-up block 31;
Described back-up block 31, for rotational symmetry 2N limit shape, and the width adaptation (being that back-up block 31 has at least one group of distance between opposite side to be slightly less than the width of the rectangular aperture 121 of described side plate 12 upper ends) that has the rectangular aperture 121 of one group of distance between opposite side and described side plate 12 upper ends at least, N is more than or equal to 2 integer; Preferably, N is 2;
The periphery place of described end casing 3, is provided with multiple locking through holes 32;
The central authorities of described end casing 3 and described back-up block 31, being formed with vertically a radial section is the axis hole 311 of regular polygon;
Described back shaft 2, as shown in Figure 7, middle part 21 for radial section be with the suitable regular polygon of described axis hole 311;
Described back shaft 2, for the axis hole 311 through two end casings 3 and back-up block 31 thereof and the endoporus of stator, makes described back shaft 2 circumferentially fixing with two end casings 3 and 31 of back-up blocks thereof, as shown in Figure 9;
Described lock-screw 6, for being fastened on respectively behind the two ends of stator at described two end casings 3, through the locking through hole 32 at periphery place and the through hole of stator yoke portion on described two end casings 3;
Described check nut 61, is fixed on described lock-screw 6 for spiral shell, and described two end casings 3 are locked to stator two ends.
Preferably, described stator fixing apparatus also comprises that two are supported nut;
Described back shaft 2, two ends 22 are amassed little circular double-screw bolt for radial section is long-pending compared with middle part radial section;
Described two are supported nut, for being fastened on respectively stator two ends and described back shaft 2 at described two end casings 3 after the axis hole 311 of two end casings 3 and back-up block 31 thereof and the endoporus of stator, spiral shell is fixed on the circular double-screw bolt at described back shaft 2 two ends 22, and described back shaft 2 is fixed together with described two end casings 3 and stator.
End casing and stator assemble as shown in figure 11.
Turning round cover and stator and end casing assembles as Figure 12.
The proving installation of interference fit power between the inner water sleeve of embodiment bis-and stator, pedestal, two end casings, back shaft, lock-screw, a check nut form stator fixing apparatus.When use, two side plates are locked to stator 8 two ends with lock-screw and check nut, realize fixing to stator 8; The back shaft that cross section, middle part is regular polygon is through the regular polygon axis hole of two end casings and back-up block thereof, the shaft hole matching of the regular polygon of middle part Wei Zheng limit, cross section shape back shaft and end casing and back-up block, makes back shaft with circumferentially fixing between two end casings and back-up block thereof; Turn round and be enclosed within on the inner water sleeve 9 that interference is fixed on stator 8 outer rims, the convex tendon of turning round cover head inner ring is snapped in to the groove 91 that inner water sleeve 9 outer ring preprocessings go out, turn round the convex tendon of cover head inner ring and inner water sleeve 9 outer ring aluminium ring grooves 91 and form and coordinate, the transmission of realizable force; After above assembly installation, its entirety is put on the pedestal fixing, the 2N limit shape back-up block in two end casing outsides snaps in respectively the rectangular aperture of two side plates of pedestal, thereby above assembly is fixed between two side plates of pedestal.
Embodiment tri-
The proving installation of interference fit power between the inner water sleeve based on embodiment bis-and stator, described end casing 3, inner side outer rim is provided with circular chute;
The described cover 5 of turning round, also comprises multiple bearing poles 4 and multiple bearing 7;
Described multiple bearing pole 4, turns round the side of cover 5 circular head 51 described in one end is fixed on respectively;
Described multiple bearing 7, is separately fixed at the other end of described multiple bearing poles 4 and can rotates around bearing pole 4.
Although the convex tendon of turning round cover head inner ring is snapped in to the groove 91 that inner water sleeve 9 outer ring preprocessings go out, convex tendon 511 and the inner water sleeve 9 outer ring aluminium ring grooves 91 of turning round cover head inner ring form cooperation, get final product the transmission of realizable force, but due to processing or installation deviation, turn round between the convex tendon 511 of cover head inner ring and inner water sleeve 9 outer ring aluminium ring grooves 91 and can have gap, under Action of Gravity Field, can make the aluminium ring groove 91 on inner water sleeve 9 tops, outer ring engage tighter with the convex tendon 511 of turning round cover head inner ring, and the aluminium ring groove 91 of inner water sleeve 9 bottoms, outer ring engages more loose with the convex tendon 511 of turning round cover head inner ring, when to turn round cover 5 to turn round the power being circumferentially subject to inner water sleeve 9 when arm 52 is exerted pressure unbalanced, inner water sleeve 9 is difficult for rotating around axle center, easily stuck.The proving installation of interference fit power between the inner water sleeve of embodiment tri-and stator, after turning round and being enclosed within on the inner water sleeve that interference is fixed on stator outer rim, described multiple bearing is all contained in the circular chute of outer rim inside described end casing, bearing outer ring contact jaw cover plate chute, turning round cover relies on bearing to do being free to slide around the center of circle along the chute of end casing, make each aluminium ring groove 91 of inner water sleeve 9 outer rings even with convex tendon 511 engagings of turning round cover head inner ring, when when turning round the turning round arm 52 and exert pressure of cover 5 to the circumferential stress equalization of inner water sleeve 9, while avoiding measuring, produce stuck phenomenon, improve measuring accuracy.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in the scope of the utility model protection.
Claims (6)
1. a proving installation for interference fit power between inner water sleeve and stator, is characterized in that, proving installation comprises that a stator fixing apparatus, one turn round cover;
Described stator fixing apparatus, for fixed stator;
The described cover of turning round, comprises head, turns round arm;
Described head, for the sheathed inner water sleeve that is fixed on.
2. the proving installation of interference fit power between inner water sleeve according to claim 1 and stator, is characterized in that,
Described head is circular, and circular head inner ring is provided with many convex tendons vertically.
3. the proving installation of interference fit power between inner water sleeve according to claim 2 and stator, is characterized in that,
Described stator fixing apparatus, comprises a pedestal, two end casings, back shaft, multiple lock-screw, multiple check nut;
Shown in pedestal, comprise a base plate, two side plates;
Described two side plates, lower end is separately fixed on described base plate, and upper end is respectively arranged with rectangular aperture;
Described end casing, periphery is rounded, and the middle part in end casing outside is fixed with a back-up block;
Described back-up block, is rotational symmetry 2N limit shape, and has the width adaptation of the rectangular aperture of one group of distance between opposite side and described side plate upper end at least, and N is more than or equal to 2 integer;
The periphery place of described end casing, is provided with multiple locking through holes;
The central authorities of described end casing and described back-up block, are formed with the axis hole that a radial section is regular polygon vertically;
Described back shaft, middle part is that radial section is with the suitable regular polygon of described axis hole;
Described back shaft, for through two end casings and the axis hole of back-up block and the endoporus of stator, makes described back shaft with circumferentially fixing between two end casings and back-up block thereof;
Described lock-screw, for being fastened on respectively behind the two ends of stator at described two end casings, through the locking through hole at periphery place and the through hole of stator yoke portion on described two end casings;
Described check nut, is fixed on described lock-screw for spiral shell, and described two end casings are locked to stator two ends.
4. the proving installation of interference fit power between inner water sleeve according to claim 3 and stator, is characterized in that,
Described stator fixing apparatus, also comprises that two are supported nut;
Described back shaft, two ends are that radial section is long-pending compared with the long-pending little circular double-screw bolt of middle part radial section;
Described two are supported nut, for being fastened on respectively stator two ends and described back shaft at described two end casings after two end casings and the axis hole of back-up block and the endoporus of stator, spiral shell is fixed on the circular double-screw bolt at described back shaft two ends, and described back shaft is fixed together with described two end casings and stator.
5. the proving installation of interference fit power between inner water sleeve according to claim 3 and stator, is characterized in that, N is 2.
6. according to the proving installation of interference fit power between the inner water sleeve described in claim 3,4 or 5 and stator, it is characterized in that,
Described end casing, inner side outer rim is provided with circular chute;
The described cover of turning round, also comprises multiple bearing poles and multiple bearing;
Described multiple bearing pole, turns round the side of the circular head of cover described in one end is fixed on respectively;
Described multiple bearing, is separately fixed at the other end of described multiple bearing poles and can rotates around bearing pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063526.XU CN203758664U (en) | 2014-02-12 | 2014-02-12 | Test device of interference fit force between inner water jacket and stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063526.XU CN203758664U (en) | 2014-02-12 | 2014-02-12 | Test device of interference fit force between inner water jacket and stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758664U true CN203758664U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420063526.XU Expired - Lifetime CN203758664U (en) | 2014-02-12 | 2014-02-12 | Test device of interference fit force between inner water jacket and stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203758664U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852202A (en) * | 2014-02-12 | 2014-06-11 | 联合汽车电子有限公司 | Device for testing interference fit force between inner water jacket and stator |
| CN109282976A (en) * | 2018-08-30 | 2019-01-29 | 江苏银河同智新能源科技有限公司 | A kind of stator test tooling, the appraisal procedure of stator heating jacket magnitude of interference and motor |
-
2014
- 2014-02-12 CN CN201420063526.XU patent/CN203758664U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852202A (en) * | 2014-02-12 | 2014-06-11 | 联合汽车电子有限公司 | Device for testing interference fit force between inner water jacket and stator |
| CN109282976A (en) * | 2018-08-30 | 2019-01-29 | 江苏银河同智新能源科技有限公司 | A kind of stator test tooling, the appraisal procedure of stator heating jacket magnitude of interference and motor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |