CN219705095U - Clamp for fixing angle of motor rotor of electric power steering system - Google Patents
Clamp for fixing angle of motor rotor of electric power steering system Download PDFInfo
- Publication number
- CN219705095U CN219705095U CN202320347878.7U CN202320347878U CN219705095U CN 219705095 U CN219705095 U CN 219705095U CN 202320347878 U CN202320347878 U CN 202320347878U CN 219705095 U CN219705095 U CN 219705095U
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- rack
- motor rotor
- motor
- clamp
- electric power
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- 238000009434 installation Methods 0.000 claims description 6
- 239000011120 plywood Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 6
- 238000011056 performance test Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model relates to the technical field of machinery, in particular to a clamp for fixing the angle of a motor rotor of an electric power steering system, which comprises a motor fixing mechanism, a motor rotor connecting mechanism, a coupler, a locking valve, a middle shaft, a gear, a rack positioning valve, a rack adjusting rod and a frame, wherein the motor rotor connecting mechanism is arranged in the center of the motor fixing mechanism, the motor rotor connecting mechanism is connected with the middle shaft by adopting the coupler, the locking valve is arranged on the side surface of the coupler, the gear is sleeved outside the middle shaft, the gear is meshed with the middle part of the rack, and two ends of the rack are arranged on the frame. Compared with the prior art, the motor rotor position adjusting device has the advantages that the motor rotor position is adjusted on the clamp through the matching of the coupler, the gear and the rack, and the final position of the rack can be fixed through the rack positioning valve, so that the static stability of the adjusted motor rotor position is ensured, the motor rotor position adjusting precision is improved, the test efficiency is improved, and the test period is shortened.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to a clamp for fixing the angle of a motor rotor of an electric power steering system.
Background
The electric power steering system driving module comprises an ECU and a motor part, and the performance test of the electric power steering system driving module is a basic function test in an electric load test in an automobile electronic and electric part test. The main purpose of the performance test is to examine the influence of dynamic changes of the motor on different electrical loads generated by the ECU when the vehicle is started and when the vehicle is running. In the performance test of the driving module of the electric power steering system, the rotor angle is required to be fixed through a special fixture, and the adjustability of the angle adjusting fixture can bring test convenience to the test and improve the test efficiency.
The structure of the angle position fixing clamp of the original motor end rotor is shown in fig. 1, and is formed by integrally forming an aluminum alloy, a bolt hole 300 for connecting a motor is formed in a shell 100, a sample piece bolt hole 300 is connected with the shell 100, and after the rotor angle of a sample piece is manually adjusted, a positioning pin 200 is additionally arranged to fix the motor rotor angle.
The defects of the original motor end rotor angle position fixing clamp in the performance test of the driving module of the electric power steering system are mainly that: in the test process, the angle of the motor rotor cannot be directly regulated, and a sample piece must be disassembled and regulated and then reinstalled for the test; the motor rotor angle is difficult to dynamically adjust to an accurate angle signal, and the time cost of the test is increased.
Therefore, it is necessary to design a clamp for fixing the angle of the motor rotor of the electric power steering system, so that the position of the motor rotor can be adjusted on the clamp, and the adjusted position of the motor rotor is ensured to be static and stable, so that the test efficiency is improved, and the test period is shortened.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a clamp for fixing the angle of a motor rotor of an electric power steering system, which can realize the adjustment of the position of the motor rotor on the clamp, and simultaneously ensure the static stability of the position of the motor rotor after adjustment so as to improve the test efficiency and shorten the test period.
In order to achieve the aim, the utility model provides a clamp for fixing the angle of a motor rotor of an electric power steering system, which comprises a motor fixing mechanism, a motor rotor connecting mechanism, a coupler, a locking valve, an intermediate shaft, a gear, a rack positioning valve, a rack adjusting rod and a frame, wherein the motor fixing mechanism and the intermediate shaft are respectively arranged on the top surface and the bottom surface of the frame, the motor rotor connecting mechanism is arranged in the center of the motor fixing mechanism, the motor rotor connecting mechanism is connected with the intermediate shaft by the coupler, the locking valve is arranged on the side surface of the coupler, the gear is sleeved outside the intermediate shaft, the gear is meshed with the middle part of the rack, two ends of the rack are arranged on the frame, one end of the rack is provided with the rack positioning valve, and the other end of the rack is connected with the rack adjusting rod.
The frame include top plate, lower plywood, bracing piece, rack installation pole, motor fixed establishment is installed to the top surface of top plate, the jackshaft is installed to the bottom surface of lower plywood, be equipped with bracing piece and rack installation pole between top plate and the lower plywood, install the rack on the rack installation pole.
The upper layer plate is connected with the motor fixing mechanism, the support rod is connected with the upper layer plate, the support rod is connected with the lower layer plate, the rack mounting rod is connected with the upper layer plate, and the rack mounting rod is connected with the lower layer plate through bolts.
The center of the motor rotor connecting mechanism is provided with a clamping groove, and the motor rotor is connected with the clamping groove.
The motor fixing mechanism is fixed with the motor through a bolt hole through a bolt II.
Compared with the prior art, the motor rotor position adjusting device has the advantages that the motor rotor position is adjusted on the clamp through the matching of the coupler, the gear and the rack, and the final position of the rack can be fixed through the rack positioning valve, so that the static stability of the adjusted motor rotor position is ensured, the motor rotor position adjusting precision is improved, the test efficiency is improved, and the test period is shortened.
Drawings
Fig. 1 is a schematic diagram of the prior art.
Fig. 2 is an isometric view of the present utility model.
Fig. 3 is a top view of the present utility model.
Fig. 4 is a rear view of the present utility model.
Fig. 5 is a bottom view of the present utility model.
Description of the embodiments
The utility model will now be further described with reference to the accompanying drawings.
Referring to fig. 2-5, the utility model provides a clamp for fixing the angle of a motor rotor of an electric power steering system, which comprises a motor fixing mechanism, a motor rotor connecting mechanism, a coupler, a locking valve, a middle shaft, a gear, a rack positioning valve, a rack adjusting rod and a frame, wherein the motor fixing mechanism 2 and the middle shaft 19 are respectively arranged on the top surface and the bottom surface of the frame, the center of the motor fixing mechanism 2 is provided with the motor rotor connecting mechanism 13, the motor rotor connecting mechanism 13 is connected with the middle shaft 19 by adopting the coupler 11, the side surface of the coupler 11 is provided with the locking valve 18, the gear 5 is sleeved outside the middle shaft 19, the gear 5 is meshed with the middle part of the rack 9, two ends of the rack 9 are arranged on the frame, one end of the rack 9 is provided with the rack positioning valve 10, and the other end of the rack 9 is connected with the rack adjusting rod 7.
In the utility model, the frame comprises an upper layer plate 3, a lower layer plate 6, a supporting rod 4 and a rack mounting rod 8, wherein a motor fixing mechanism 2 is arranged on the top surface of the upper layer plate 3, a middle shaft 19 is arranged on the bottom surface of the lower layer plate 6, the supporting rod 4 and the rack mounting rod 8 are arranged between the upper layer plate 3 and the lower layer plate 6, and a rack 9 is arranged on the rack mounting rod 8.
The upper layer plate 3 is connected with the motor fixing mechanism 2, the supporting rod 4 is connected with the upper layer plate 3, the supporting rod 4 is connected with the lower layer plate 6, the rack mounting rod 8 is connected with the upper layer plate 3, and the rack mounting rod 8 is connected with the lower layer plate 6 through bolts I12.
Before starting to work, the motor is arranged on the motor fixing mechanism 2, the motor fixing mechanism 2 and the motor are fixed through a bolt hole 14 through a bolt II, the motor rotor is connected with the clamping groove 1 in the center of the motor rotor connecting mechanism 13, and the motor rotor connecting mechanism 13 and the motor rotor rotate together.
When the utility model works, firstly, the rack positioning valve 10 is loosened, the locking valve 18 on the coupler 11 is locked, then the coupler 11 is directly rotated to drive the intermediate shaft 19 and the motor rotor to rotate, so that the angle position of the motor rotor is adjusted to be close to the target angle.
Subsequently, the rack adjusting rod 7 is rotated to drive the rack 9 to rotate, so that the gear 5 is driven to rotate, the accurate adjustment of the angle position of the motor rotor is realized, and after the target angle position of the motor rotor is reached, the rack positioning valve 10 can be screwed, so that the angle position of the motor rotor forms a static stable state.
According to the utility model, the position of the motor rotor is adjusted on the clamp through the matching of the coupler, the gear and the rack, and the final position of the rack can be fixed through the rack positioning valve, so that the static stability of the adjusted position of the motor rotor is ensured, the position adjusting precision of the motor rotor is improved, the test efficiency is improved, and the test period is shortened.
Claims (5)
1. The utility model provides a anchor clamps for electric power assisted steering system motor rotor angle is fixed, includes motor fixed establishment, motor rotor coupling mechanism, shaft coupling, locking valve, jackshaft, gear, rack positioning valve, rack regulation pole, frame, its characterized in that: the motor fixing mechanism (2) and the intermediate shaft (19) are respectively arranged on the top surface and the bottom surface of the frame, a motor rotor connecting mechanism (13) is arranged in the center of the motor fixing mechanism (2), a coupler (11) is adopted between the motor rotor connecting mechanism (13) and the intermediate shaft (19) to be connected, a locking valve (18) is arranged on the side face of the coupler (11), a gear (5) is sleeved outside the intermediate shaft (19), the gear (5) is meshed with the middle part of the rack (9), two ends of the rack (9) are arranged on the frame, a rack positioning valve (10) is arranged at one end of the rack (9), and the other end of the rack (9) is connected with a rack adjusting rod (7).
2. A clamp for fixing the angle of a motor rotor of an electric power steering system as set forth in claim 1, wherein: the frame include top plate (3), lower plywood (6), bracing piece (4), rack installation pole (8), motor fixed establishment (2) are installed to the top surface of top plate (3), jackshaft (19) are installed to the bottom surface of lower plywood (6), are equipped with bracing piece (4) and rack installation pole (8) between top plate (3) and lower plywood (6), install rack (9) on rack installation pole (8).
3. A clamp for fixing the angle of a motor rotor of an electric power steering system according to claim 2, wherein: the novel electric motor is characterized in that bolts (12) are used for connecting the upper layer plate (3) with the motor fixing mechanism (2), the supporting rod (4) with the upper layer plate (3), the supporting rod (4) with the lower layer plate (6), the rack mounting rod (8) with the upper layer plate (3) and the rack mounting rod (8) with the lower layer plate (6).
4. A clamp for fixing the angle of a motor rotor of an electric power steering system as set forth in claim 1, wherein: the center of the motor rotor connecting mechanism (13) is provided with a clamping groove (1), and the motor rotor is connected with the clamping groove (1).
5. A clamp for fixing the angle of a motor rotor of an electric power steering system as set forth in claim 1, wherein: the motor fixing mechanism (2) and the motor are fixed through bolts II penetrating through the bolt holes (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320347878.7U CN219705095U (en) | 2023-03-01 | 2023-03-01 | Clamp for fixing angle of motor rotor of electric power steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320347878.7U CN219705095U (en) | 2023-03-01 | 2023-03-01 | Clamp for fixing angle of motor rotor of electric power steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219705095U true CN219705095U (en) | 2023-09-19 |
Family
ID=88005588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320347878.7U Active CN219705095U (en) | 2023-03-01 | 2023-03-01 | Clamp for fixing angle of motor rotor of electric power steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219705095U (en) |
-
2023
- 2023-03-01 CN CN202320347878.7U patent/CN219705095U/en active Active
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| GR01 | Patent grant |