CN219870283U - Motor fixing tool for fatigue test of steering engine - Google Patents
Motor fixing tool for fatigue test of steering engine Download PDFInfo
- Publication number
- CN219870283U CN219870283U CN202320827465.9U CN202320827465U CN219870283U CN 219870283 U CN219870283 U CN 219870283U CN 202320827465 U CN202320827465 U CN 202320827465U CN 219870283 U CN219870283 U CN 219870283U
- Authority
- CN
- China
- Prior art keywords
- adjusting screw
- steering gear
- screw rod
- cover plate
- fatigue test
- 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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Links
- 238000009661 fatigue test Methods 0.000 title claims abstract description 14
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Power Steering Mechanism (AREA)
Abstract
The utility model relates to the technical field of machinery, in particular to a motor fixing tool for a fatigue test of a steering gear, which comprises a fixing cover plate, an adjusting screw rod and a locking nut, wherein a through hole is formed in the middle of the fixing cover plate, the adjusting screw rod penetrates through the through hole, a circular boss is arranged at the end part of the adjusting screw rod, a spline structure is arranged on the outer circle surface of the circular boss and is connected with an internal spline of a gear ring of the steering gear, the locking nut is sleeved on one side, far away from the circular boss, of the adjusting screw rod, the locking nut is in threaded connection with the adjusting screw rod, the locking nut abuts against the outer surface of the fixing cover plate, and the inner surface of the fixing cover plate is attached to a servo shell of the steering gear. Compared with the prior art, the utility model does not need to damage the motor structure, thereby saving test resources; the adjusting screw rod is used for enabling the inner surface of the fixed cover plate to be attached to the servo shell of the steering gear through the locking position of the adjusting nut, and the spline structure of the adjusting screw rod can be adjusted according to the size of the internal spline of the gear ring of the steering gear, so that the suitability of the tool is improved.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to a motor fixing tool for a fatigue test of a steering gear.
Background
When the strength simulation working condition test of the whole steering engine is carried out, the strength of the steering engine shell, the whole steering engine mounting hole and the gear part is mainly checked. In the test process, in order to meet the test condition of locking of the steering gear, the motor of the steering gear is required to not work and lock the output shaft at the joint of the motor and the steering gear under the condition of power failure.
The current method is as follows: the drilling damages the three-phase rotor winding structure of the test motor, and the locking screw and the annular clamp are applied to the drilling position to strengthen the rotation prevention, so that the output shaft at the joint of the motor and the steering gear is locked, and the test condition is achieved. However, this approach also has the following drawbacks: 1, permanently damaging a test motor to cause resource waste; 2, the surface of the motor is a curved surface, the shell is thinner, the efficiency is low after the motor is drilled, and the potential safety hazard of the test exists.
Therefore, a motor fixing tool for a fatigue test of a steering gear needs to be designed, and the steering gear is locked on the premise of not damaging a motor so as to achieve test conditions, so that a tester can conveniently assemble and disassemble, and test efficiency is improved.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a motor fixing tool for a fatigue test of a steering gear, which locks the steering gear to achieve test conditions on the premise of not damaging a motor, and can be convenient for test personnel to assemble and disassemble and improve test efficiency.
In order to achieve the above purpose, the utility model provides a motor fixing tool for fatigue test of a steering gear, which comprises a fixing cover plate, an adjusting screw and a locking nut, wherein a through hole is formed in the middle of the fixing cover plate, the adjusting screw penetrates through the through hole, a circular boss is arranged at the end part of the adjusting screw, a spline structure is arranged on the outer circle surface of the circular boss, the spline structure is connected with an internal spline of a gear ring of the steering gear, the locking nut is sleeved on one side, far away from the circular boss, of the adjusting screw, the locking nut is in threaded connection with the adjusting screw, the locking nut abuts against the outer surface of the fixing cover plate, and the inner surface of the fixing cover plate is attached to a servo shell of the steering gear.
The two sides of the fixed cover plate are provided with mounting holes, and the fastener is connected with the assembly holes of the servo shell after passing through the mounting holes.
The mounting holes are kidney-shaped holes.
The spline structure is matched with the internal spline of the gear ring of the steering gear in size.
Compared with the prior art, the motor fixing tool for the fatigue test of the steering gear is designed, the motor structure is not required to be damaged, and test resources are saved; the adjusting screw rod is used for enabling the inner surface of the fixed cover plate to be attached to the servo shell of the steering gear through adjusting the locking position of the nut, and the spline structure of the adjusting screw rod can be adjusted according to the size of the internal spline of the gear ring of the steering gear, so that the suitability of the tool is improved; the utility model has simple structure, is convenient for the operation of testers, reduces the working strength of the testers, improves the working efficiency and ensures the validity of test results.
Drawings
FIG. 1 is a schematic diagram of the present utility model.
Fig. 2 is a schematic view of a fixed cover plate of the present utility model.
FIG. 3 is a schematic view of the present utility model in use.
Description of the embodiments
The utility model will now be further described with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, the utility model provides a motor fixing tool for a fatigue test of a steering gear, which comprises a fixing cover plate, an adjusting screw rod and a locking nut, wherein a through hole 11 is formed in the middle of the fixing cover plate 1, the adjusting screw rod 2 passes through the through hole 11, a round boss 21 is arranged at the end part of the adjusting screw rod 2, a spline structure 22 is arranged on the outer circular surface of the round boss 21, the spline structure 22 is connected with an internal spline of a gear ring 4 of the steering gear, the locking nut 3 is sleeved on one side, far away from the round boss 21, of the adjusting screw rod 2, the locking nut 3 is in threaded connection with the adjusting screw rod 2, the locking nut 3 props against the outer surface of the fixing cover plate 1, and the inner surface of the fixing cover plate 1 is attached to a servo housing 5 of the steering gear.
In order to facilitate the fixation of the fixed cover plate 1 and the servo housing 5, mounting holes 12 are formed in two sides of the fixed cover plate 1, and the fastener is connected with the mounting holes of the servo housing 5 after passing through the mounting holes 12. The mounting hole of the servo housing 5 is used for connecting the motor, and the servo housing 5 itself is provided.
In order to improve the adaptability of the mounting holes 12 and meet different intervals of the assembly holes of the servo housing 5, the mounting holes 12 can be designed as kidney-shaped holes.
The spline structure 22 is matched to the internal spline dimensions of the steering gear ring 4 to accommodate different steering gears.
Referring to fig. 3, when the steering device works, firstly, the motor is removed, the adjusting screw rod 2 is adjusted to a proper length, the spline structure 22 is matched with the steering gear ring 4, the inner surface of the fixed cover plate 1 is attached to the servo housing 5 of the steering device, the fixed cover plate is fixed on the servo housing 5 through the mounting hole 12, and finally, the adjusting screw rod 2 is locked by rotating the locking nut 3, so that the steering device is locked, and the aim of meeting test conditions is fulfilled.
The motor fixing tool for the fatigue test of the steering engine is designed, the motor structure is not required to be damaged, and test resources are saved; the adjusting screw rod is used for enabling the inner surface of the fixed cover plate to be attached to the servo shell of the steering gear through adjusting the locking position of the nut, and the spline structure of the adjusting screw rod can be adjusted according to the size of the internal spline of the gear ring of the steering gear, so that the suitability of the tool is improved; the utility model has simple structure, is convenient for the operation of testers, reduces the working strength of the testers, improves the working efficiency and ensures the validity of test results.
Claims (4)
1. The utility model provides a fixed frock of motor for fatigue test of steering engine, includes fixed apron, accommodate the lead screw, lock nut, its characterized in that: the middle part of fixed apron (1) is equipped with through-hole (11), accommodate the lead screw (2) and pass through-hole (11), the tip of accommodate the lead screw (2) is equipped with circular boss (21), the outer disc of circular boss (21) is equipped with spline structure (22), spline structure (22) are connected with the internal spline of steering gear ring (4), one side of circular boss (21) is kept away from at accommodate the lead screw (2) is established to lock nut (3) cover, and adopt threaded connection between lock nut (3) and accommodate the lead screw (2), lock nut (3) support the surface of fixed apron (1), the internal surface of fixed apron (1) is laminated with servo casing (5) of steering gear.
2. The motor fixing tool for fatigue test of steering engine according to claim 1, wherein: the two sides of the fixed cover plate (1) are provided with mounting holes (12), and the fastener is connected with the assembly holes of the servo housing (5) after passing through the mounting holes (12).
3. The motor fixing tool for fatigue test of steering engine according to claim 2, wherein: the mounting hole (12) is a kidney-shaped hole.
4. The motor fixing tool for fatigue test of steering engine according to claim 1, wherein: the spline structure (22) is matched with the internal spline of the gear ring (4) of the steering gear in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320827465.9U CN219870283U (en) | 2023-04-14 | 2023-04-14 | Motor fixing tool for fatigue test of steering engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320827465.9U CN219870283U (en) | 2023-04-14 | 2023-04-14 | Motor fixing tool for fatigue test of steering engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219870283U true CN219870283U (en) | 2023-10-20 |
Family
ID=88321243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320827465.9U Active CN219870283U (en) | 2023-04-14 | 2023-04-14 | Motor fixing tool for fatigue test of steering engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219870283U (en) |
-
2023
- 2023-04-14 CN CN202320827465.9U patent/CN219870283U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |