CN206990702U - A kind of internal spline motor and dynamometer machine attachment means - Google Patents
A kind of internal spline motor and dynamometer machine attachment means Download PDFInfo
- Publication number
- CN206990702U CN206990702U CN201720696661.1U CN201720696661U CN206990702U CN 206990702 U CN206990702 U CN 206990702U CN 201720696661 U CN201720696661 U CN 201720696661U CN 206990702 U CN206990702 U CN 206990702U
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- CN
- China
- Prior art keywords
- internal spline
- attachment means
- connect base
- dynamometer machine
- machine attachment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000008878 coupling Effects 0.000 claims abstract description 31
- 238000010168 coupling process Methods 0.000 claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 claims abstract description 31
- 238000012360 testing method Methods 0.000 abstract description 14
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The utility model provides a kind of internal spline motor and dynamometer machine attachment means, and attachment means include connect base and the Coupling Shaft being connected with connect base by bearing, Coupling Shaft are provided with internal spline close to one end of connect base.Internal spline motor described in the utility model can improve internal spline motor operation stability under loading condition with dynamometer machine attachment means, axial constraint and radial support can be carried out to power transmission shaft, so that power drive system can carry out EMC test under higher rotating speed, moment of torsion, preferably simulate vehicle actual condition and meet standard requirement.
Description
Technical field
The utility model belongs to electromagnetic compatibility test field, is carried out more particularly, to a kind of power drive system of electric automobile
Internal spline motor and dynamometer machine attachment means when band carries EMC test.
Background technology
Electric drive dynamical system is the core electrical system of electric automobile, due to including high-power electric and electronic in the system
Device, therefore be also main electromagnetic radiation harassing and wrecking source, frequently result in the certification of vehicle electromagnetic compatibility test and exceed constitutional law restrictions
Value requires.
It is domestic at the early-stage in terms of electric automobile electromagnetic compatibility, with the development of electric automobile market, more and more
The supporting motor export structure of new model uses internal spline form, is coordinated with reduction box or engine.This type
Motor can not be realized by simple shaft coupling and is connected with the precision optical machinery of dynamometer machine.Axiality, positioning precision, axial constraint
Deficiency causes the EMC test of such internal spline motor, can only be carried out under compared with the slow-speed of revolution, moment of torsion operating mode, under high rotating speed
Too high vibrations so that the motor life-span itself subtracts the safety that also have impact on experimentation greatly, can not meet to simulate vehicle full power row
Sail the test request of operating mode.The reason for producing this problem is：Internal spline motor can not be to axially entering after being connected with dynamometer machine
Row constraint, it is higher plus requirement of the longer power transmission shaft to positioning precision, cause the severe shocks under high rotating speed.
The content of the invention
In view of this, the utility model is directed to a kind of internal spline motor and dynamometer machine attachment means, to solve to use
When existing shaft coupling is to the EMC test of internal spline motor, it can only be carried out under compared with the slow-speed of revolution, moment of torsion operating mode, high rotating speed
Under too high vibrations so that the motor life-span itself subtracts the safety that also have impact on experimentation greatly, can not meet to simulate the full work(of vehicle
The problems such as test request of rate driving cycle.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of internal spline motor and dynamometer machine attachment means, including connect base and be connected with connect base by bearing
Coupling Shaft, the Coupling Shaft are provided with internal spline close to one end of connect base.
Further, the connect base is provided with end cap, the bearing be located at the end cap and the connect base it
Between.
Further, through hole is provided with the middle part of the end cap, the internal diameter of the through hole is more than the external diameter of Coupling Shaft.
Further, the connect base is detachably connected with the end cap.
Further, the bearing is provided with two, and axle sleeve is provided between two bearings.
Further, the Coupling Shaft is provided with two bearing snap springs, and the bearing is between two bearing snap springs.
Further, the first cushion space is provided between the connect base bottom and the Coupling Shaft.
Further, the second cushion space is provided between the connect base and the axle sleeve.
Further, the connect base is that flange or the connect base are provided with connecting hole.
Relative to prior art, internal spline motor described in the utility model has following excellent with dynamometer machine attachment means
Gesture：
Internal spline motor described in the utility model can improve internal spline motor in loading work with dynamometer machine attachment means
Operation stability under condition, axial constraint and radial support can be carried out to power transmission shaft, so that power drive system can be higher
EMC test is carried out under rotating speed, moment of torsion, vehicle actual condition is preferably simulated and meets standard requirement.
A kind of power drive system of electric automobile carries out electromagnetic compatible testing method when band carries EMC test, including such as
Lower step：
S1：Internal spline motor to be measured is fixed on the fixed support of dynamometer machine by mounting disc；
S2：The output shaft of internal spline motor to be measured is connected with the above-mentioned internal spline motor stated with dynamometer machine using splined shaft
The internal spline of device is connected, and attachment means are fixed in mounting disc by connect base；
S3：The Coupling Shaft of attachment means is attached by the power transmission shaft of shaft coupling and dynamometer machine；
S4：Start measurement of power machine testing.
Above-mentioned internal spline motor and dynamometer machine attachment means also one should be with herein not with usefulness this method of testing
Repeat one by one.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the internal spline motor described in the utility model embodiment and the front view structure signal of dynamometer machine attachment means
Figure；
Fig. 2 be in Fig. 1 A-A to schematic diagram；
Internal spline motor and the overlooking the structure diagram of dynamometer machine attachment means described in Fig. 3 the utility model embodiments；
Fig. 4 is the internal spline motor described in the utility model embodiment and the stereochemical structure signal of dynamometer machine attachment means
Figure；
Fig. 5 is the machine being connected to internal spline motor to be measured by internal spline motor and dynamometer machine attachment means on dynamometer machine
Structure schematic diagram.
Description of reference numerals：
1- Coupling Shafts；2- end caps；3- bearing snap springs；4- bearings；5- axle sleeves；The cushion spaces of 6- first；7- internal splines；8- connects
Connect base；The cushion spaces of 9- second；11- internal spline motors to be measured；12- mounting discs；13- fixed supports；14- attachment means；15-
Shaft coupling；16- power transmission shafts；17- dynamometer machines.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As Figure 1-4, a kind of internal spline motor and dynamometer machine attachment means, including connect base 8 and with connect base 8
The Coupling Shaft 1 connected by bearing 4, Coupling Shaft 1 are provided with internal spline 7 close to one end of connect base 8.Coupling Shaft 1 in this example
One end away from connect base 8 is provided with external splines, in Coupling Shaft 1 setting of internal spline 7 can facilitate by internal spline motor with
Attachment means are connected, and now switch to common external splines motor equivalent to by internal spline motor, and then realize the precision with dynamometer machine
Mechanically connect.
Connect base 8 is provided with end cap 2, and bearing 4 is between end cap 2 and connect base 8.The setting of end cap 2 can be real
Now to the axial constraint of Coupling Shaft 1.
The middle part of end cap 2 is provided with through hole, and the internal diameter of through hole is more than the external diameter of Coupling Shaft 1.
Connect base 8 is detachably connected with end cap 2.Connect base 8 is connected with end cap 2 by bolt, screw or pin.
Bearing 4 is provided with two, and axle sleeve 5 is provided between two bearings 4.
Coupling Shaft 1 is provided with two bearing snap springs 3, and bearing 4 is between two bearing snap springs 3.Axle sleeve 5 and bearing snap spring
3 setting can be realized further to the axial constraint of Coupling Shaft 1, and the setting of two bearings 4 can realize the footpath to Coupling Shaft 1
To support.
The first cushion space 6 is provided between the bottom of connect base 8 and Coupling Shaft 1.
The second cushion space 9 is provided between connect base 8 and axle sleeve 5.
Connect base 8 is that flange or connect base 8 are provided with connecting hole.
A kind of power drive system of electric automobile carries out electromagnetic compatible testing method when band carries EMC test, including such as
Lower step：
S1：Internal spline motor 11 to be measured is fixed on the fixed support 13 of dynamometer machine 17 by mounting disc 12；
S2：The output shaft of internal spline motor 11 to be measured and the above-mentioned internal spline motor stated are connected with dynamometer machine using splined shaft
The internal spline 7 of connection device 14 is connected, and attachment means 14 are fixed in mounting disc 12 by connect base 8；
S3：The Coupling Shaft 1 of attachment means 14 is attached by the power transmission shaft 16 of shaft coupling 15 and dynamometer machine 17；
S4：Start dynamometer machine 17 to detect.
Wherein mounting disc 12, shaft coupling 15, dynamometer machine 17 are existing.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (9)
1. a kind of internal spline motor and dynamometer machine attachment means, it is characterised in that：Including connect base (8) and and connect base
(8) Coupling Shaft (1) connected by bearing (4), the Coupling Shaft (1) are provided with internal spline close to one end of connect base (8)
(7)。
2. internal spline motor according to claim 1 and dynamometer machine attachment means, it is characterised in that：The connect base
(8) end cap (2) is provided with, the bearing (4) is between the end cap (2) and the connect base (8).
3. internal spline motor according to claim 2 and dynamometer machine attachment means, it is characterised in that：In the end cap (2)
Portion is provided with through hole, and the internal diameter of the through hole is more than the external diameter of Coupling Shaft (1).
4. internal spline motor according to claim 2 and dynamometer machine attachment means, it is characterised in that：The connect base
(8) it is detachably connected with the end cap (2).
5. internal spline motor according to claim 4 and dynamometer machine attachment means, it is characterised in that：The bearing (4) sets
There are two, axle sleeve (5) is provided between two bearings (4).
6. internal spline motor according to claim 5 and dynamometer machine attachment means, it is characterised in that：The Coupling Shaft (1)
Two bearing snap springs (3) are provided with, the bearing (4) is between two bearing snap springs (3).
7. internal spline motor according to claim 5 and dynamometer machine attachment means, it is characterised in that：The connect base
(8) the first cushion space (6) is provided between bottom and the Coupling Shaft (1).
8. internal spline motor according to claim 7 and dynamometer machine attachment means, it is characterised in that：The connect base
(8) the second cushion space (9) is provided between the axle sleeve (5).
9. internal spline motor according to claim 5 and dynamometer machine attachment means, it is characterised in that：The connect base
(8) it is provided with connecting hole for flange or the connect base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696661.1U CN206990702U (en) | 2017-06-15 | 2017-06-15 | A kind of internal spline motor and dynamometer machine attachment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696661.1U CN206990702U (en) | 2017-06-15 | 2017-06-15 | A kind of internal spline motor and dynamometer machine attachment means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206990702U true CN206990702U (en) | 2018-02-09 |
Family
ID=61396646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720696661.1U Expired - Fee Related CN206990702U (en) | 2017-06-15 | 2017-06-15 | A kind of internal spline motor and dynamometer machine attachment means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206990702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763298A (en) * | 2019-03-13 | 2019-05-17 | Tcl家用电器（合肥）有限公司 | Adapter frame, care device and washing machine |
-
2017
- 2017-06-15 CN CN201720696661.1U patent/CN206990702U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763298A (en) * | 2019-03-13 | 2019-05-17 | Tcl家用电器（合肥）有限公司 | Adapter frame, care device and washing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |