CN218728730U - Many become test fixture soon - Google Patents
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- CN218728730U CN218728730U CN202223051502.6U CN202223051502U CN218728730U CN 218728730 U CN218728730 U CN 218728730U CN 202223051502 U CN202223051502 U CN 202223051502U CN 218728730 U CN218728730 U CN 218728730U
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Abstract
The utility model discloses a many become test fixture soon, include: a base plate; the motor is arranged on the bottom plate and comprises an output shaft; the bearing seat is arranged at one end of the bottom plate far away from the motor; one end of the rotary variable shaft is connected with the motor, and the other end of the rotary variable shaft is rotatably connected with the bearing seat; the rotary transformer assembly is arranged between the bearing seat and the motor and comprises a fixed seat, a rotary transformer stator and a rotary transformer rotor, the rotary transformer rotor is located at an inner ring of the rotary transformer stator and connected with a rotary transformer shaft, the rotary transformer stator is connected with the fixed seat, the fixed seat is connected with a bottom plate, and the rotary transformer assembly is provided with a plurality of rotary transformer shafts. According to the multi-rotary-transformer testing tool, the rotary shaft drives the plurality of rotary components at the same time, the plurality of rotary rotors only need to be driven by one motor arranged at the shaft end, the number of the rotary components can be correspondingly set according to the number of single-layer stations for a multi-layer station testing system, the requirement that one set of rotary testing tool can simultaneously carry out aging tests on a plurality of motor controllers can be fully met, and the cost of the testing tool is greatly reduced.
Description
Technical Field
The utility model relates to a new energy automobile MCU tests technical field, especially indicates a many test fixture that become soon.
Background
Burn-in Test (Burn-in Test) is an important loop in the production process of an MCU (motor controller, one of new energy automobile core components), the Test needs rotary deformation to simulate and feed back related signals of a motor, and in order to realize the function, a set of rotary deformation tools are generally required to be designed. The typical rotary transformer tool mainly comprises: the motor drives the rotary transformer rotor to rotate (the rotating speed of the motor is controlled by the motor controller), and the rotary transformer stator senses the rotation of the rotor and then feeds a related signal back to a tested product (MCU).
With the continuous development of the new energy automobile industry, the capacity demand of the MCU is increased day by day, and the demand of the MCU aging test equipment is increased more and more. Because the aging test time is long, the related test system is usually in a multi-station design (each station can perform aging test on 1 MCU, and the multi-station design can guarantee the production rhythm of the MCU), such as 3 layers of 12 stations, 3 layers of 18 stations, 3 layers of 24 stations and the like. In order to meet the testing requirements of multiple stations, the system needs to be equipped with a corresponding number of rotary transformation tools (each station needs to be equipped with a group of independent rotary transformation tools), which results in higher equipment cost.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that overcome among the prior art and become test fixture soon can't give the problem of many machine controller simultaneous use in aging testing.
In order to solve the technical problem, the utility model provides a many become test fixture soon, include:
a base plate;
a motor disposed on the base plate, the motor including an output shaft;
the bearing seat is arranged at one end of the bottom plate, which is far away from the motor;
one end of the rotary variable shaft is connected with an output shaft of the motor, and the other end of the rotary variable shaft is rotationally connected with the bearing seat;
the rotary transformer assembly is arranged between the bearing seat and the motor and comprises a fixed seat, a rotary transformer stator and a rotary transformer rotor, the rotary transformer rotor is located on an inner ring of the rotary transformer stator and connected with the rotary transformer shaft, the rotary transformer stator is connected with the fixed seat, the fixed seat is connected with the bottom plate, and the rotary transformer assembly is provided with a plurality of rotary transformer assemblies.
In an embodiment of the present invention, an L-shaped mounting plate is disposed on the bottom plate, and the motor is connected to the L-shaped mounting plate.
In an embodiment of the present invention, a shaft coupling is disposed between the output shaft of the motor and the rotary shaft.
In an embodiment of the present invention, the plurality of the rotary transformer assemblies are uniformly distributed between the bearing seat and the coupler.
In an embodiment of the present invention, the fixing base is provided with a fixing hole, and the rotary transformer is provided with a first annular protrusion, and the first annular protrusion is clamped in the fixing hole.
In an embodiment of the present invention, the rotating stator is further provided with a second annular protrusion, the second annular protrusion is connected with a fixing plate, and the fixing plate and the fixing seat are connected by a bolt.
In an embodiment of the present invention, both sides of the rotary transformer stator are provided with fixing rings, and the fixing rings connect the rotary transformer shaft.
In an embodiment of the present invention, a position limiting ring is disposed between the fixing ring and the rotary transformer stator, and the position limiting ring is sleeved on the rotary transformer shaft.
In an embodiment of the present invention, the rotary transformer shaft is provided with a key hole, the rotary transformer rotor is provided with a key groove, and a positioning key is provided between the rotary transformer rotor and the rotary transformer shaft.
In an embodiment of the present invention, the rotary transformer stator is provided with a signal line connector.
Compared with the prior art, the technical scheme of the utility model have following advantage:
a many rotary transformer test fixture, drive a plurality of rotary transformer subassemblies simultaneously through the rotary transformer axle, the rotation of a plurality of rotary transformer rotors only needs a setting at the motor drive of axle head, to multilayer station test system, can correspond the quantity that sets up the rotary transformer subassembly according to the quantity of individual layer station, can fully realize that a set of rotary transformer test fixture develops the demand of many machine controller aging tests simultaneously, greatly reduced test fixture's cost, can reduce the occupy-place volume of frock simultaneously, make whole equipment compacter.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of one of the viewing angles of the multi-rotation testing tool of the present invention;
fig. 2 is a schematic structural view of another view angle of the multi-rotation testing tool of the present invention;
FIG. 3 is a schematic structural diagram of the multi-rotary transformer testing tool shown in FIG. 1, in which only one rotary transformer assembly is provided;
FIG. 4 is a schematic view of a partial structure of a rotary transformer assembly in the multi-rotary-transformer testing tool shown in FIG. 1;
FIG. 5 is a schematic structural diagram of a resolver stator in the multi-resolver test tool shown in FIG. 1;
fig. 6 is a schematic structural diagram of a rotary transformer rotor in the multi-rotary transformer testing tool shown in fig. 1.
The specification reference numbers indicate: 1. a base plate; 2. a motor; 201. an output shaft; 3. a bearing seat; 4. a rotary variable shaft; 401. a keyhole; 5. a fixed seat; 6. a rotary transformer stator; 7. a rotary transformer rotor; 701. a keyway; 8. an L-shaped mounting plate; 9. a coupling; 10. a fixing hole; 11. a first annular projection; 12. a second annular bump; 13. a fixing plate; 14. a fixing ring; 15. a limiting ring; 16. and a signal wire joint.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.
Referring to fig. 1 to 6, the utility model provides a many test fixture that become soon, include:
a base plate 1;
a motor 2 disposed on the base plate 1, the motor 2 including an output shaft 201;
the bearing seat 3 is arranged at one end of the bottom plate 1 far away from the motor 2;
one end of the rotary variable shaft 4 is connected with the output shaft 201 of the motor 2, and the other end of the rotary variable shaft 4 is rotatably connected with the bearing block 3;
and the rotary transformer assembly is arranged between the bearing seat 3 and the motor 2 and comprises a fixed seat 5, a rotary transformer stator 6 and a rotary transformer rotor 7, the rotary transformer rotor 7 is positioned at the inner ring of the rotary transformer stator 6 and connected with a rotary transformer shaft 4, the rotary transformer stator 6 is connected with the fixed seat 5, the fixed seat 5 is connected with the bottom plate 1, and the rotary transformer assembly is provided with a plurality of parts.
In conclusion, the multi-rotary-transformer testing tool drives the plurality of rotary-transformer components through the rotary-transformer shaft 4, the plurality of rotary-transformer rotors 7 only need to be driven by one motor 2 arranged at the shaft end, for the multi-layer station testing system, the number of the rotary-transformer components can be correspondingly set according to the number of single-layer stations, the requirement that one set of rotary-transformer testing tool can simultaneously carry out aging tests of the plurality of motors 2 controllers can be fully met, the cost of the testing tool is greatly reduced, meanwhile, the occupied volume of the tool can be reduced, and the whole equipment is compact.
Specifically, the bottom plate 1 is a one-piece rectangular mounting plate, a plurality of mounting holes are formed in the bottom plate and used for being fixedly connected with equipment through bolts, a servo motor 2 is transversely fixed at one end of the bottom plate 1, both the rotary transformer stator 6 and the rotary transformer rotor 7 are standard parts, the whole rotary transformer stator 6 is in a circular ring shape, the rotary transformer shaft 4 penetrates through the plurality of rotary transformer stators 6, the rotary transformer rotor 7 is fastened with the rotary transformer shaft 4 and is coaxial with the rotary transformer stator 6, and it is noted that a certain gap is kept between the inner ring of the rotary transformer stator 6 and the outer ring of the rotary transformer rotor 7, so that the rotary transformer rotor 7 can freely rotate; the rotary transformer component can be provided with 3 groups or more, the rotary transformer shaft 4 and the bottom plate 1 are designed and correspondingly lengthened according to actual conditions, and the fixing seat 5 can be an L-shaped plate, so that the fixing with the bottom plate 1 and the installation of the rotary transformer component are facilitated.
During testing, the servo motor 2 is electrified to drive the rotary variable shaft 4 to rotate, so that the rotary variable rotor 7 is driven to rotate to generate rotary variable signals for simulating real rotary variable signals of the motor 2, and a motor 2 controller on the multi-station testing system is connected with the rotary variable stator 6 through a rotary variable signal line, so that the aging test work of the motor 2 controller can be performed.
Further, the bottom plate 1 is provided with an L-shaped mounting plate 8, and the motor 2 is connected with the L-shaped mounting plate 8.
Specifically, the bottom of the L-shaped mounting plate 8 is fixed on the bottom plate 1 through a bolt, the upper portion of the L-shaped mounting plate 8 is fixed on the motor 2 body through a bolt, and the output shaft 201 of the motor 2 passes through the L-shaped mounting plate 8,L-shaped mounting plate 8, so that the axial line of the output shaft 201 of the motor 2 and the axial line of the rotating shaft 4 are newly on the same straight line.
Further, a coupling 9 is provided between the output shaft 201 of the motor 2 and the rotary shaft 4.
Specifically, the coupler 9 is a quincunx coupler 9, two half shafts forming the coupler 9 are respectively fastened with the output shaft 201 of the motor 2 and the shaft end of the rotary shaft 4, and the coupler 9 can play a role in buffering the shaft end drive of the motor 2, so that the vibration of the whole rotary motion can be reduced, and the work of the rotary shaft can be more stable.
Furthermore, a plurality of rotary variable assemblies are uniformly distributed between the bearing seat 3 and the coupling 9.
Specifically, a plurality of rotary transformer assemblies are uniformly distributed, so that each part of the test tool can realize standardized production with a certain limit, and meanwhile, the multi-station test system can be matched conveniently, and the whole tool is neater in arrangement and wiring.
Furthermore, the fixing seat 5 is provided with a fixing hole 10, the rotary transformer 6 is provided with a first annular bump 11, and the first annular bump 11 is clamped in the fixing hole 10.
Specifically, first annular lug 11 and rotatory change stator 6 integrated into one piece, the size of fixed orifices 10 on fixing base 5 slightly is greater than the outer lane of first annular lug 11 for first annular lug 11 just blocks and realizes being connected with fixing base 5 in the fixed orifices 10, has guaranteed simultaneously with the installation axiality of rotatory stator.
Further, the rotary transformer stator 6 is further provided with a second annular bump 12, the second annular bump 12 is clamped with a fixing plate 13, and the fixing plate 13 is connected with the fixing seat 5 through a bolt.
Specifically, dig out a circular slot in the middle of fixed plate 13, the upper end excision of circular slot for fixed plate 13 can insert second annular lug 12 after changeing stator 6 card soon and going into fixing base 5, is provided with the through-hole on four angles of fixed plate 13, can further fix changeing stator 6 and fixing base 5 soon through the bolt.
Further, both sides of the rotary transformer stator 6 are provided with fixing rings 14, and the fixing rings 14 are connected with the rotary transformer shaft 4.
Specifically, the fixing ring 14 is an annular tensioning block fastened by a bolt conventionally, and the fixing block is used for limiting a limiting block, so that the other end of the limiting block can tightly clamp the rotary transformer rotor 7.
Furthermore, a limiting ring 15 is arranged between the fixing ring 14 and the rotary transformer stator 6, and the rotary transformer shaft 4 is sleeved with the limiting ring 15.
Specifically, the outer diameter of the fixing ring 14 may be larger than the inner ring of the rotational stator 6, and the limiting ring 15 may be provided with a circular ring shape having an outer diameter much smaller than the inner ring of the rotational stator 6, so that the inner ring of the rotational stator 6 can be inserted to clamp the rotational rotor 7, thereby achieving lateral limiting of the rotational rotor 7.
Further, the rotary transformer shaft 4 is provided with a key hole 401, the rotary transformer 7 is provided with a key groove 701, and a positioning key is provided between the rotary transformer 7 and the rotary transformer shaft 4.
Specifically, during installation, a positioning key is placed in the keyhole 401, and then the rotary transformer 7 is inserted along the keyway 701, and it should be noted that, during installation, the fixing seat 5 ensures that the position of the keyhole 401 on the rotary shaft is just at the center position of the inner ring of the rotary transformer 6, so that the rotary transformer 7 can be positioned at the center position of the rotary transformer 6, and finally, the transverse fixation is performed by means of the limiting ring 15 and the fixing ring 14.
Furthermore, a plurality of key grooves 701 are formed in the inner ring of the rotary transformer rotor 7, and a plurality of key holes 401 are formed in the rotary shaft along the radial direction of the rotary shaft, so that the limiting of the rotary transformer rotor 7 is enhanced.
Further, the resolver stator 6 is provided with a signal line terminal 16.
Specifically, the signal wire connector 16 is used to connect a workstation test cable to provide a twiddle signal.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a many test fixture that revolves, its characterized in that includes:
a base plate;
a motor disposed on the base plate, the motor including an output shaft;
the bearing seat is arranged at one end of the bottom plate, which is far away from the motor;
one end of the rotary variable shaft is connected with an output shaft of the motor, and the other end of the rotary variable shaft is rotationally connected with the bearing seat;
and the rotary transformer assembly is arranged between the bearing seat and the motor and comprises a fixed seat, a rotary transformer stator and a rotary transformer rotor, the rotary transformer rotor is positioned at the inner ring of the rotary transformer stator and connected with the rotary transformer shaft, the rotary transformer stator is connected with the fixed seat, the fixed seat is connected with the bottom plate, and the rotary transformer assembly is provided with a plurality of parts.
2. The multi-rotary-transformer testing tool according to claim 1, characterized in that: the motor is connected with the L-shaped mounting plate.
3. The multi-rotary-transformer testing tool according to claim 1, characterized in that: and a coupling is arranged between the output shaft of the motor and the rotary shaft.
4. The multi-rotary-transformer testing tool according to claim 3, characterized in that: the rotary variable assemblies are uniformly distributed between the bearing seat and the coupler.
5. The multi-rotary-transformer testing tool according to claim 1, characterized in that: the fixing seat is provided with a fixing hole, the rotary transformer stator is provided with a first annular bump, and the first annular bump is clamped in the fixing hole.
6. The multi-rotary-transformer test tool according to claim 1, characterized in that: the rotary transformer stator is further provided with a second annular bump, the second annular bump is clamped with a fixing plate, and the fixing plate is connected with the fixing seat through a bolt.
7. The multi-rotary-transformer testing tool according to claim 1, characterized in that: and fixing rings are arranged on two sides of the rotary transformer stator and connected with the rotary transformer shaft.
8. The multi-rotary-transformer testing tool according to claim 7, characterized in that: a limiting ring is arranged between the fixing ring and the rotary transformer stator, and the rotary transformer shaft is sleeved with the limiting ring.
9. The multi-rotary-transformer testing tool according to claim 1, characterized in that: the rotary transformer shaft is provided with a key hole, the rotary transformer rotor is provided with a key groove, and a positioning key is arranged between the rotary transformer rotor and the rotary transformer shaft.
10. The multi-rotary-transformer testing tool according to claim 1, characterized in that: the rotary transformer stator is provided with a signal wire connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223051502.6U CN218728730U (en) | 2022-11-16 | 2022-11-16 | Many become test fixture soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223051502.6U CN218728730U (en) | 2022-11-16 | 2022-11-16 | Many become test fixture soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218728730U true CN218728730U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223051502.6U Active CN218728730U (en) | 2022-11-16 | 2022-11-16 | Many become test fixture soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218728730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608896A (en) * | 2023-06-30 | 2023-08-18 | 常州华旋传感技术有限公司 | Motor-integrated rotary transformer simulation equipment and simulation method thereof |
-
2022
- 2022-11-16 CN CN202223051502.6U patent/CN218728730U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608896A (en) * | 2023-06-30 | 2023-08-18 | 常州华旋传感技术有限公司 | Motor-integrated rotary transformer simulation equipment and simulation method thereof |
| CN116608896B (en) * | 2023-06-30 | 2023-09-19 | 常州华旋传感技术有限公司 | Motor-integrated rotary transformer simulation equipment and simulation method thereof |
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