CN210090030U - Motor test centering system - Google Patents
Motor test centering system Download PDFInfo
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- CN210090030U CN210090030U CN201921138612.1U CN201921138612U CN210090030U CN 210090030 U CN210090030 U CN 210090030U CN 201921138612 U CN201921138612 U CN 201921138612U CN 210090030 U CN210090030 U CN 210090030U
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- flange
- motor
- centering
- dynamometer
- flange plate
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Abstract
The utility model relates to the technical field of motor performance testing, and discloses a motor testing centering system, which comprises a centering flange, wherein the centering flange comprises a shaft body, a first flange plate connected with one end of the shaft body and a second flange plate connected with the other end of the shaft body; first ring flange and the coaxial setting of second ring flange, at least two first connecting holes have been seted up on the motor ring flange, set up the first locating hole with first connecting hole one-to-one on the first ring flange, first ring flange is through first connecting hole and first locating hole and the coaxial dismantlement of motor ring flange be connected, at least two second connecting holes have been seted up on the dynamometer ring flange, set up the second locating hole with second connecting hole one-to-one on the second ring flange, the second ring flange passes through second locating hole and second connecting hole and the coaxial dismantlement of dynamometer ring flange is connected. The utility model discloses have with low costs, the efficient technological effect of centering.
Description
Technical Field
The utility model relates to a motor performance test technical field, concretely relates to motor test centering system.
Background
In the development process of a new energy electric automobile, a large number of bench tests are needed to verify the design idea. In the preparation stage of the bench test, the centering precision is an important premise for ensuring the accuracy of test data and the operation safety of the bench test. During bench test, the tested motor and the dynamometer need to be connected through the coupler. If the deviation of the central axis of the coupler exceeds the allowable range, the coupler can deform or even break, thereby seriously affecting the safety of the rack system. Therefore, a centering tool with high accuracy and strong practicability is urgently needed to ensure the smooth operation of the test. The existing centering tool, such as a laser centering instrument, generally has the problems of high cost and long centering time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a motor test centering system, solve among the prior art motor test centering with high costs, the long technical problem of centering time.
In order to achieve the technical purpose, the technical scheme of the utility model provides a motor test centering system, which comprises a centering flange, a motor to be tested and a dynamometer;
the centering flange comprises a shaft body, a first flange plate connected to one end of the shaft body and a second flange plate connected to the other end of the shaft body; the first flange disc with the second flange disc is coaxial to be set up, at least two first connecting holes have been seted up on the motor flange disc of the motor that awaits measuring, set up on the first flange disc with the first locating hole of first connecting hole one-to-one, first flange disc passes through first connecting hole and first locating hole with the coaxial connection of dismantling of motor flange disc, at least two second connecting holes have been seted up on the dynamometer flange disc of dynamometer machine, set up on the second flange disc with the second locating hole of second connecting hole one-to-one, the second flange disc passes through second locating hole and second connecting hole with the coaxial connection of dismantling of dynamometer flange disc.
Compared with the prior art, the beneficial effects of the utility model include: the utility model discloses set up the centering flange, set up the first locating hole that corresponds with first connecting hole on the first ring flange of centering flange, realize the coaxial alignment of first ring flange and motor flange dish, set up the second locating hole that corresponds with the second connecting hole on the second ring flange of centering flange, realize the coaxial alignment of second ring flange and dynamometer flange dish. Because the first flange plate and the second flange plate are coaxially arranged, the motor flange plate can be coaxially aligned with the dynamometer flange plate through the connection of the first connecting hole and the first positioning hole and the connection of the second connecting hole and the second positioning hole, so that the centering of a motor to be tested and the dynamometer is realized, and the subsequent coupler can be conveniently and smoothly installed in place. The utility model has the advantages of simple structure, the cost is very low, and is easy and simple to handle moreover, and the centering is fast.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a centering system for testing a motor according to the present invention during centering;
FIG. 2 is a schematic structural diagram of an embodiment of a centering system for testing a motor according to the present invention after centering;
fig. 3 is a front view of the centering flange provided by the present invention;
fig. 4 is a left side view of the centering flange provided by the present invention;
fig. 5 is a right side view of the centering flange provided by the present invention.
Reference numerals:
11. the measuring device comprises a first flange plate, 111, a first positioning hole, 12, a second flange plate, 121, a second positioning hole, 13, a shaft body, 2, a motor flange plate, 21, a first connecting hole, 3, a measuring flange plate, 31, a second connecting hole, 4, a coupler, 41, a diaphragm assembly, 5, a bolt, 6 and a nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, embodiment 1 of the present invention provides a motor test centering system, which includes a centering flange, a motor to be tested, and a dynamometer;
the centering flange comprises a shaft body 13, a first flange plate 11 connected to one end of the shaft body 13 and a second flange plate 12 connected to the other end of the shaft body 13; as shown in fig. 3, the first flange plate 11 and the second flange plate 12 are coaxially disposed, at least two first connection holes 21 are disposed on the motor flange plate 2 of the motor to be measured, as shown in fig. 4, first positioning holes 111 corresponding to the first connection holes 21 one to one are disposed on the first flange plate 11, the first flange plate 11 is coaxially detachably connected to the motor flange plate 2 through the first connection holes 21 and the first positioning holes 111, at least two second connection holes 31 are disposed on the dynamometer flange plate 3 of the dynamometer, as shown in fig. 5, second positioning holes 121 corresponding to the second connection holes 31 one to one are disposed on the second flange plate 12, and the second flange plate 12 is coaxially detachably connected to the dynamometer flange plate 3 through the second positioning holes 121 and the second connection holes 31.
When centering is needed, the centering flange replaces the coupler 4 and is placed between a motor to be measured and a dynamometer, the first flange plate 11 is attached to the motor flange plate 2 and is aligned with the first positioning hole 111 and the corresponding first connecting hole 21, the alignment of the first positioning hole 111 and the first connecting hole 21 can be realized through a pin shaft, a bolt 5 or a screw rod, and the like, after the first positioning hole 111 is aligned with the corresponding first connecting hole 21, the first flange plate 11 and the motor flange plate 2 are coaxially aligned, and the first flange plate 11 and the motor flange plate 2 are connected and fixed through the first positioning hole 111 and the corresponding first connecting hole 21; and then the second flange plate 12 is attached to the power measuring flange plate 3, and is aligned with the second positioning hole 121 and the corresponding second connecting hole 31, the alignment between the second positioning hole 121 and the second connecting hole 31 can be realized by a pin, a bolt 5 or a screw, after the second positioning hole 121 is aligned with the corresponding second connecting hole 31, the second flange plate 12 and the power measuring flange plate 3 are coaxially aligned, and the second flange plate 12 and the power measuring flange plate 3 are connected and fixed through the second positioning hole 121 and the corresponding second connecting hole 31, so that the centering and limiting of the motor to be measured, the centering flange and the dynamometer are completed. And finally, the centering flange is detached, so that the coupler 4 can be installed at the detached position of the centering flange, the installation precision of the coupler 4 is guaranteed, the centering time is saved, and the time for constructing the test bench is shortened.
The utility model discloses have and reduce the centering cost, improve work efficiency, reduced the technological effect of buildding test bench time.
Preferably, as shown in fig. 2, the system further includes a coupler 4, one end of the coupler 4 is provided with third connecting holes corresponding to the first connecting holes 21 one to one, and the other end of the coupler 4 is provided with fourth connecting holes corresponding to the second connecting holes 31 one to one.
After the motor to be tested is centered with the dynamometer, the centering flange is detached, and the coupler 4 is installed between the motor to be tested and the dynamometer through the third connecting hole and the fourth connecting hole, so that the motor to be tested, the coupler 4 and the dynamometer are coaxially aligned when the motor is tested.
Preferably, as shown in fig. 1 and 2, the length of the centering flange in the axial direction of the centering flange is greater than the length of the coupling 4 in the axial direction of the coupling.
The length of the coupler 4 is longer than that of the centering flange, so that the coupler 4 can be smoothly installed in place after the centering flange is detached, and the coaxiality of the power measuring flange 3, the coupler 4 and the motor flange 2 is guaranteed.
Preferably, as shown in fig. 2, the coupling 4 is a double diaphragm coupling 4.
The bench test usually needs to run under the state of high rotating speed of the motor, so the double-diaphragm coupling 4 with high balance precision is adopted to connect the tested motor and the dynamometer.
Preferably, as shown in fig. 1 and 2, the length of the centering flange in the self axial direction is 0.1-0.5mm greater than the length of the coupling 4 in the self axial direction.
For the double-diaphragm coupling 4, the length difference between the centering flange and the double-diaphragm coupling 4 needs to be set within the axial elastic deformation allowed by the two sets of diaphragm assemblies 41 of the double-diaphragm coupling 4, so as to ensure that the centering flange is detached after the centering flange completes centering, and the double-diaphragm coupling 4 can be smoothly installed in place. L1 in fig. 1 indicates the length of the centering flange in the axial direction thereof, and L in fig. 2 indicates the length of the double diaphragm coupling 4 in the axial direction thereof. As a rule of thumb, the amount of axial elastic deformation allowed by the two sets of diaphragm assemblies 41 is typically within 0.1-0.5 mm. The length difference set in the preferred embodiment is 0.2 mm.
Preferably, as shown in fig. 1, the outer diameter of the first flange 11 is equal to the outer diameter of the motor flange 2, and the outer diameter of the second flange 12 is equal to the outer diameter of the power measuring flange 3.
The outer diameter of the first flange plate 11 is set to be equal to the outer diameter of the motor flange plate 2, so that whether the first flange plate 11 and the motor flange plate 2 are aligned can be judged by observing whether the edges of the two are aligned coaxially. Similarly, the outer diameter of the second flange 12 is set to be equal to the outer diameter of the power measuring flange 3, so that whether the second flange 12 and the power measuring flange 3 are aligned coaxially can be judged by observing whether the edge of the second flange is aligned with the edge of the power measuring flange. And converting the observation fine adjustment of the coaxiality of the first flange plate 11 and the motor flange plate 2 and the observation fine adjustment of the coaxiality of the second flange plate 12 and the power measuring flange plate 3 into the observation fine adjustment of whether the edges of the first flange plate 11 and the motor flange plate 2 are aligned or not and the observation fine adjustment of whether the edges of the second flange plate 12 and the power measuring flange plate 3 are aligned or not. Thereby making the observation fine tuning simpler and more convenient and the centering efficiency higher.
Preferably, as shown in fig. 1, each of the first positioning holes 111 is locked to the corresponding first connection hole 21 by a bolt 5 and a nut 6, and each of the second positioning holes 121 is locked to the corresponding second connection hole 31 by a bolt 5 and a nut 6.
The bolt 5 sequentially penetrates through the first positioning hole 111 and the first connecting hole 21, the positions of the first flange plate 11 and the motor flange plate 2 are finely adjusted, so that the first flange plate 11 is coaxially aligned with the motor flange plate 2, and then the first flange plate 11 and the motor to be tested are ensured to be coaxial through locking connection of the nut 6. Similarly, the bolts 5 sequentially penetrate through the second positioning holes 121 and the second connecting holes 31, then the position of the measuring flange plate 3 is finely adjusted, so that the second flange plate 12 is coaxially aligned with the measuring flange plate 3, and then the second flange plate 12 is locked and connected with the dynamometer through the nut 6, so that the second flange plate 12 is coaxial with the dynamometer, and the coaxiality of the second flange plate, the second flange plate and the dynamometer is guaranteed.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. A motor test centering system is characterized by comprising a centering flange, a motor to be tested and a dynamometer;
the centering flange comprises a shaft body, a first flange plate connected to one end of the shaft body and a second flange plate connected to the other end of the shaft body; the first flange disc with the second flange disc is coaxial to be set up, at least two first connecting holes have been seted up on the motor flange disc of the motor that awaits measuring, set up on the first flange disc with the first locating hole of first connecting hole one-to-one, first flange disc passes through first connecting hole and first locating hole with the coaxial connection of dismantling of motor flange disc, at least two second connecting holes have been seted up on the dynamometer flange disc of dynamometer machine, set up on the second flange disc with the second locating hole of second connecting hole one-to-one, the second flange disc passes through second locating hole and second connecting hole with the coaxial connection of dismantling of dynamometer flange disc.
2. The motor testing centering system of claim 1, further comprising a coupler, wherein one end of the coupler is provided with third connecting holes corresponding to the first connecting holes one to one, and the other end of the coupler is provided with fourth connecting holes corresponding to the second connecting holes one to one.
3. The centering system for testing a motor according to claim 2, wherein the length of the centering flange in the axial direction of the centering flange is greater than the length of the coupling in the axial direction of the coupling.
4. The motor test centering system of claim 2, wherein said coupling is a double diaphragm coupling.
5. The centering system for motor test of claim 4, wherein the length of the centering flange along the self-axial direction is 0.1-0.5mm greater than the length of the coupling along the self-axial direction.
6. The motor test centering system of claim 1, wherein an outer diameter of the first flange is equal to an outer diameter of the motor flange, and an outer diameter of the second flange is equal to an outer diameter of the dynamometer flange.
7. The centering system for testing the motor as claimed in claim 1, wherein each of the first positioning holes is locked to the corresponding first connecting hole by a bolt and a nut, and each of the second positioning holes is locked to the corresponding second connecting hole by a bolt and a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921138612.1U CN210090030U (en) | 2019-07-19 | 2019-07-19 | Motor test centering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921138612.1U CN210090030U (en) | 2019-07-19 | 2019-07-19 | Motor test centering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210090030U true CN210090030U (en) | 2020-02-18 |
Family
ID=69485185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921138612.1U Active CN210090030U (en) | 2019-07-19 | 2019-07-19 | Motor test centering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210090030U (en) |
-
2019
- 2019-07-19 CN CN201921138612.1U patent/CN210090030U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20220802 Address after: 430100 room 2, 1st floor, building 5, No.19, Changfu new town, Zhashan street, Caidian District, Wuhan City, Hubei Province Patentee after: WUHAN ETIQUETTES AUTO TECHNOLOGY Co.,Ltd. Address before: 430056 No.6, 1st floor, building 2, Cuiyuan, Taihe Baihua Park, plot 5R, Wuhan Economic and Technological Development Zone, Hubei Province Patentee before: Desa Intelligent Technology (Wuhan) Co.,Ltd. |