CN219521840U - Motor clamp of electric power steering system - Google Patents
Motor clamp of electric power steering system Download PDFInfo
- Publication number
- CN219521840U CN219521840U CN202320089620.1U CN202320089620U CN219521840U CN 219521840 U CN219521840 U CN 219521840U CN 202320089620 U CN202320089620 U CN 202320089620U CN 219521840 U CN219521840 U CN 219521840U
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- bottom plate
- disc
- clamp
- electric power
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Abstract
The utility model relates to the technical field of machinery, in particular to a motor clamp of an electric power steering system, which comprises a bottom plate, a middle plate, an upper cross beam, a disc, reinforcing ribs and a fastener, wherein the middle plate is vertically arranged in the center of the bottom plate, two ends of the front side and two ends of the rear side of the middle plate are respectively provided with one reinforcing rib, the bottom of each reinforcing rib is connected with the bottom plate, a plurality of long bolt holes are formed in the edge of the bottom plate, the disc is arranged on the front surface of the middle plate, the motor is arranged on the front side of the disc, the disc is fixed with the motor by the fastener, the upper cross beam is arranged at the upper end of the rear side of the middle plate, and the end part of the upper cross beam is connected with the reinforcing ribs. Compared with the prior art, the long bolt holes are added on the bottom plate, so that bolts can be conveniently installed according to actual installation holes, and the pretightening force between the clamp and the ground and the rigidity of the clamp are improved; reinforcing ribs and an upper cross beam are added, and the rigidity and strength of the clamp in the horizontal direction are increased, so that the natural frequency is increased, and the occurrence of resonance phenomenon is prevented.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to a motor clamp of an electric power steering system.
Background
The clamp is used as a fixing device, and mainly plays a role in clamping and positioning the motor when the motor is subjected to no-load rotation test.
When the motor rotates in an idle state, the clamp and the ground possibly move relatively due to the fact that the fixing bolt between the clamp and the ground is unstable; when the distance between the ground mounting holes is too large or too small, the existing clamp can not be matched with the mounting holes, and then bolts can not be mounted; when the rigidity of the clamp is insufficient, the natural frequency of the clamp cannot avoid the natural frequency of the motor, and the clamp and the motor can resonate; these phenomena all have an impact on motor experiments. When the sensors are required to be placed at different positions of the motor, the mounting angle of the motor on the clamp is often not realized. When the same experiment is performed for motors of different sizes, it is often necessary to replace the jig with a new one.
Therefore, there is a need to design an electric power steering system motor clamp to accommodate different sized motors with high stiffness, providing high pretension.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a motor clamp of an electric power steering system, which is suitable for motors with different sizes, has high rigidity and provides high pretightening force.
In order to achieve the above purpose, the utility model provides a motor clamp of an electric power steering system, which comprises a bottom plate, a middle plate, an upper beam, a disc, reinforcing ribs and fastening pieces, wherein the middle plate is vertically arranged in the center of the bottom plate, two ends of the front side and two ends of the rear side of the middle plate are respectively provided with one reinforcing rib, the bottom of each reinforcing rib is connected with the bottom plate, a plurality of long bolt holes are formed in the edge of the bottom plate, the disc is arranged on the front surface of the middle plate, the motor is arranged on the front side of the disc, the disc is fixed with the motor by adopting the fastening pieces, the upper beam is arranged at the upper end of the rear side of the middle plate, and the end part of the upper beam is connected with the reinforcing ribs.
The middle part of the rear side of the middle plate is provided with a middle reinforcing rib, and the bottom of the middle reinforcing rib is connected with the bottom plate.
The thickness of the reinforcing rib is 25mm, the side face of the reinforcing rib is in a right trapezoid shape, the bottom edge of the right trapezoid is connected with the bottom plate, the right-angle waist of the right trapezoid is connected with the middle plate, and the inclined waist angle of the right trapezoid is 75 degrees.
And the reinforcing ribs are connected with the bottom plate, the reinforcing ribs are connected with the middle plate, the upper cross beam is connected with the reinforcing ribs, and the upper cross beam is connected with the middle plate by welding.
The thickness of the bottom plate is 25mm, and the number of the long bolt holes is 10.
The thickness of the upper cross beam is 23mm.
The disc be equipped with 8 bolt mounting holes along the circumference, be equipped with 8 bolt holes on the medium plate, 8 bolt holes are the circumference and arrange, the bolt passes the bolt mounting hole of disc, the bolt hole of medium plate and fixes.
Compared with the prior art, the long bolt holes are added on the bottom plate, so that bolts can be conveniently installed according to actual installation holes, and the pretightening force between the clamp and the ground and the rigidity of the clamp are improved; the reinforcing ribs and the upper cross beam are added, and the rigidity and the strength of the clamp in the horizontal direction are increased, so that the natural frequency is increased, and the occurrence of resonance phenomenon is prevented; the installation of the motors with different sizes can be met by replacing the discs with different sizes, and the installation angle of the motors can be adjusted by changing the relative installation angle between the discs and the middle plate.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a side view of the present utility model.
Fig. 3 is a top view of the present utility model.
Fig. 4 is an isometric view of the present utility model.
Fig. 5 is an isometric view of the present utility model after installation of a motor.
Description of the embodiments
The utility model will now be further described with reference to the accompanying drawings.
Referring to fig. 1-4, the utility model provides a motor clamp of an electric power steering system, which comprises a bottom plate, a middle plate, an upper beam, a disc, reinforcing ribs and a fastener, wherein the middle plate 6 is vertically arranged in the center of the bottom plate 5, one reinforcing rib 1 is respectively arranged at the two ends of the front side and the two ends of the rear side of the middle plate 6, the bottom of the reinforcing rib 1 is connected with the bottom plate 5, a plurality of long bolt holes 51 are formed in the edge of the bottom plate 5, the disc 9 is mounted on the front surface of the middle plate 6, the motor 3 is mounted on the front side of the disc 9, the disc 9 is fixed with the motor 3 by the fastener 10, the upper beam 4 is arranged at the upper end of the rear side of the middle plate 6, and the end part of the upper beam 4 is connected with the reinforcing rib 1.
In the utility model, the middle part of the rear side of the middle plate 6 is provided with the middle reinforcing rib 2, and the bottom of the middle reinforcing rib 2 is connected with the bottom plate 5.
The thickness of the reinforcing rib 1 is 25mm, the side surface of the reinforcing rib 1 is in a right trapezoid shape, the bottom edge of the right trapezoid shape is connected with the bottom plate 5, the right-angle waist of the right trapezoid shape is connected with the middle plate 6, and the inclined waist angle of the right trapezoid shape is 75 degrees.
And the reinforcing ribs 1 and the bottom plate 5, the reinforcing ribs 1 and the middle plate 6, the upper cross beam 4 and the reinforcing ribs 1 and the upper cross beam 4 and the middle plate 6 are all welded.
The thickness of the bottom plate 5 is 25mm, the number of the long bolt holes 51 is 10, the purpose is to increase the pretightening force between the bottom plate 5 and the ground, improve the rigidity and the frequency of the clamp, and the adoption of the approximately rectangular long bolt holes 51 is convenient for flexibly adjusting the fastening position of the bolts and the spacing between the bolts according to the actual mounting hole position of the ground.
The upper cross member 4 has a thickness of 23mm. The upper beam 4 is used for distributing the stress of the reinforcing ribs 1 at two sides, providing the support of the clamp in the horizontal direction and increasing the rigidity of the clamp.
The disc 9 is equipped with 8 bolt mounting holes 91 along the circumference, is equipped with 8 bolt holes on the medium plate 6, and 8 bolt holes are the circumference and arrange, and the bolt passes the bolt mounting hole 91 of disc 9, the bolt hole of medium plate 6 and fixes.
Referring to fig. 5, in operation, when testing motors 3 of different sizes, the utility model only needs to replace discs 9 of different sizes without replacing the whole clamp. When the installation angle of the motor 3 needs to be adjusted, the relative installation angle of the disc 9 and the middle plate 6 is changed, and the motor 3 and the disc 9 are normally connected. Compared with the conventional clamp, the novel power-assisted motor has the advantages that the rigidity is obviously improved, the natural frequency is increased from 493.71Hz to 993.19Hz, the idle rotation frequency of the common power-assisted motor is completely avoided, and the resonance phenomenon is avoided.
In the utility model, the long bolt holes are added on the bottom plate so as to be convenient for installing the bolts according to the actual installation holes, and the pretightening force between the clamp and the ground and the rigidity of the clamp are improved; the reinforcing ribs and the upper cross beam are added, and the rigidity and the strength of the clamp in the horizontal direction are increased, so that the natural frequency is increased, and the occurrence of resonance phenomenon is prevented; the installation of the motors with different sizes can be met by replacing the discs with different sizes, and the installation angle of the motors can be adjusted by changing the relative installation angle between the discs and the middle plate.
Claims (7)
1. The utility model provides an electric power assisted steering system motor anchor clamps, includes bottom plate, medium plate, entablature, disc, strengthening rib, fastener, its characterized in that: the vertical medium plate (6) that is provided with in the center of bottom plate (5), the front side both ends and the rear side both ends of medium plate (6) are equipped with a strengthening rib (1) respectively, the bottom and the bottom plate (5) of strengthening rib (1) are connected, the border of bottom plate (5) is provided with a plurality of long bolt hole (51), the front surface mounting of medium plate (6) has disc (9), motor (3) are installed to the front side of disc (9), adopt fastener (10) to fix between disc (9) and motor (3), the rear side upper end of medium plate (6) is equipped with entablature (4), the tip and the strengthening rib (1) of entablature (4) are connected.
2. An electric power steering system motor clamp as set forth in claim 1 wherein: the middle part of the rear side of the middle plate (6) is provided with a middle reinforcing rib (2), and the bottom of the middle reinforcing rib (2) is connected with the bottom plate (5).
3. An electric power steering system motor clamp as set forth in claim 1 wherein: the thickness of the reinforcing rib (1) is 25mm, the side face of the reinforcing rib (1) is in a right trapezoid shape, the bottom edge of the right trapezoid shape is connected with the bottom plate (5), the right-angle waist of the right trapezoid shape is connected with the middle plate (6), and the inclined waist angle of the right trapezoid shape is 75 degrees.
4. An electric power steering system motor clamp as set forth in claim 1 wherein: the reinforcing ribs (1) are connected with the bottom plate (5), the reinforcing ribs (1) are connected with the middle plate (6), the upper cross beam (4) is connected with the reinforcing ribs (1) and the upper cross beam (4) is connected with the middle plate (6) through welding.
5. An electric power steering system motor clamp as set forth in claim 1 wherein: the thickness of the bottom plate (5) is 25mm, and the number of the long bolt holes (51) is 10.
6. An electric power steering system motor clamp as set forth in claim 1 wherein: the thickness of the upper cross beam (4) is 23mm.
7. An electric power steering system motor clamp as set forth in claim 1 wherein: the disc (9) be equipped with 8 bolt mounting holes (91) along the circumference, be equipped with 8 bolt holes on medium plate (6), 8 bolt holes are the circumference and arrange, the bolt passes bolt mounting hole (91) of disc (9), the bolt hole of medium plate (6) and is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320089620.1U CN219521840U (en) | 2023-01-31 | 2023-01-31 | Motor clamp of electric power steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320089620.1U CN219521840U (en) | 2023-01-31 | 2023-01-31 | Motor clamp of electric power steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219521840U true CN219521840U (en) | 2023-08-15 |
Family
ID=87626152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320089620.1U Active CN219521840U (en) | 2023-01-31 | 2023-01-31 | Motor clamp of electric power steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219521840U (en) |
-
2023
- 2023-01-31 CN CN202320089620.1U patent/CN219521840U/en active Active
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