CN219914882U - Driving assembly for fatigue endurance test of power steering gear - Google Patents
Driving assembly for fatigue endurance test of power steering gear Download PDFInfo
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- CN219914882U CN219914882U CN202321714023.XU CN202321714023U CN219914882U CN 219914882 U CN219914882 U CN 219914882U CN 202321714023 U CN202321714023 U CN 202321714023U CN 219914882 U CN219914882 U CN 219914882U
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- power steering
- flange
- steering gear
- drive assembly
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 10
- 238000012546 transfer Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a driving assembly for a fatigue endurance test of a power steering gear, which comprises a supporting upright post, wherein a lifting bracket is arranged on the supporting upright post, one side of the lifting bracket is provided with a mounting frame, a motor and a speed reducer are arranged on the mounting frame, the motor is connected with the speed reducer, an output shaft of the speed reducer is connected with a driving flange, a torque sensor is arranged between the output shaft of the speed reducer and the driving flange, the driving flange is connected with a vertical universal coupling, and the lower end of the universal coupling is provided with a lower adapting flange. According to the utility model, the torque sensor is arranged, so that the torque output by the motor can be detected in real time during the test, the power output by the drive assembly can be intuitively obtained, and the accuracy of the test is ensured.
Description
Technical Field
The utility model belongs to the field of power steering gear test equipment, and particularly relates to a driving assembly for a power steering gear fatigue endurance test.
Background
The power steering gear is an important part for controlling the running direction of the vehicle, and before leaving the factory, the power steering gear is generally required to be subjected to a fatigue endurance test so as to accurately master the performance of the product and ensure the quality of the product leaving the factory.
At present, when the fatigue endurance test is carried out on the power steering gear, the motor is connected with the input shaft of the power steering gear, the output shaft of the power steering gear is connected with the load through the vertical arm assembly, the motor is utilized to simulate the action of a driver to control the steering wheel, and the load is utilized to provide steering resistance, so that the working condition of the power steering gear in the test is consistent with the working condition of the power steering gear in the actual driving as much as possible, and the test result is accurately obtained. Specific test equipment can refer to CN205228839U, a power steering gear test simulation real vehicle test device and other prior art.
In the prior art, the torque output by the driving assembly (namely the motor) cannot be intuitively tested, and the power output by the driving assembly cannot be quickly obtained.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a driving assembly for a fatigue endurance test of a power steering gear, which can test output torque so as to adjust the power output by the driving assembly.
In order to solve the problems, the utility model adopts the following technical scheme: a drive assembly for power steering gear fatigue endurance test, including the support post, be provided with the lifting support on the support post, one side of lifting support is provided with the mounting bracket, be provided with motor and reduction gear on the mounting bracket, the motor links to each other with the reduction gear, the output shaft of reduction gear has driving flange, be provided with torque sensor between the output shaft of reduction gear and the driving flange, driving flange is connected with vertical universal joint, universal joint's lower extreme is provided with down the changeover flange.
Further, a sensor support is arranged in the mounting frame, the torque sensor is arranged in the sensor support, an output shaft of the speed reducer is connected with the torque sensor through an upper corrugated pipe coupler, and the driving flange is connected with the torque sensor through a lower corrugated pipe coupler.
Further, the motor and the speed reducer are arranged above the mounting frame.
Further, the supporting column is provided with a lifting mechanism, the lifting support is in sliding fit with the supporting column, and the lifting support is connected with the lifting mechanism.
Further, the lifting mechanism is a turbine screw rod lifter which is fixedly arranged on a fixed plate at the top of the supporting upright post.
Further, a rotating platform is arranged on the lifting support, a connecting frame is arranged on the rotating platform, and the connecting frame is connected with the mounting frame.
Further, the connecting frame is connected with the mounting frame through the heightening flange.
Further, the driving flange is installed on the installation frame through a bearing, and the lower end of the driving flange is connected with the universal coupling through an upper adapter flange.
Further, the lower extreme of support stand is provided with the base.
The beneficial effects of the utility model are as follows: according to the utility model, the torque sensor is arranged, so that the torque output by the motor can be detected in real time during the test, the power output by the drive assembly can be intuitively obtained, and the accuracy of the test is ensured.
Drawings
FIG. 1 is an overall schematic of the present utility model;
FIG. 2 is a schematic front view of the motor, mounting bracket, coupling, etc. of the present utility model;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2;
FIG. 4 is a schematic view of a support column of the present utility model;
FIG. 5 is a schematic view of the mounting of the present utility model;
FIG. 6 is a schematic view of a sensor mount of the present utility model;
FIG. 7 is a schematic view of a drive flange of the present utility model;
FIG. 8 is a schematic view of a lower adapter flange and an upper adapter flange of the present utility model;
reference numerals: 1-supporting upright posts; 2-lifting support; 3-mounting rack; 4-a motor; 5-a speed reducer; 6, driving a flange; 7-a torque sensor; 8-universal couplings; 9-a lower adapter flange; 10-a sensor mount; 11-upper bellows coupling; 12-a lower bellows connector; 13-a lifting mechanism; 14-a fixed plate; 15-heightening the flange; 16-a bearing; 17-upper adapter flange; 18-a base; 19-a connecting frame; 20-rotating platform.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The utility model relates to a driving assembly for a fatigue endurance test of a power steering gear, which is shown in fig. 1 to 8, and comprises a supporting upright post 1, wherein a lifting bracket 2 is arranged on the supporting upright post 1, one side of the lifting bracket 2 is provided with a mounting frame 3, a motor 4 and a speed reducer 5 are arranged on the mounting frame 3, the motor 4 is connected with the speed reducer 5, an output shaft of the speed reducer 5 is connected with a driving flange 6, a torque sensor 7 is arranged between the output shaft of the speed reducer 5 and the driving flange 6, the driving flange 6 is connected with a vertical universal coupling 8, and the lower end of the universal coupling 8 is provided with a lower adapting flange 9.
The support column 1 plays a role in supporting the whole driving assembly, and in order to improve stability of the support column 1, as shown in fig. 4, a base 18 is arranged at the lower end of the support column 1, and a plurality of mounting through holes are formed in the base 18 and used for mounting the whole driving assembly on an experiment table.
In order to be convenient for adjust the height of drive assembly, support column 1 has set up lifting support 2, and lifting support 2's height can be adjusted to adjust the whole height of parts such as mounting bracket 3, motor 4, reduction gear 5, torque sensor 7, universal joint 8, lower adapter flange 9.
The lifting support 2 can be manually adjusted in height, and for more labor saving, the lifting mechanism 13 is arranged on the supporting upright 1, the lifting support 2 is in sliding fit with the supporting upright 1, and the lifting support 2 is connected with the lifting mechanism 13. The lifting mechanism 13 can drive the lifting bracket 2 to lift, so as to drive the whole of the installation frame 3, the motor 4 and other parts to lift synchronously. The lifting mechanism 13 can specifically adopt hydraulic cylinders and other devices, and preferably, the lifting mechanism 13 is a turbine screw lifter which is fixedly arranged on a fixed plate 14 at the top of the supporting upright 1.
The mounting frame 3 is used for mounting components such as a motor 4, a speed reducer 5, a torque sensor 7 and the like, and has a specific structure shown in fig. 5, and comprises a top plate, a bottom plate, two mutually perpendicular side plates and a connecting beam, wherein a mounting cavity is formed in the mounting frame, and through holes are formed in the top plate and the bottom plate. The motor 4 and the speed reducer 5 are used for providing power to drive the power steering gear to move. The motor 4 and the decelerator 5 are disposed above the mounting frame 3, so that the inner space of the mounting frame 3 can be saved.
The torque sensor 7 is used for detecting the torque output by the motor 4 so as to acquire the test torque intuitively in real time. The torque sensor 7 is a conventional one. In order to improve the stability of the installation of the torque sensor 7, a sensor mount 10 is provided in the mounting 3, and the torque sensor 7 is provided in the sensor mount 10. The sensor support 10, as shown in fig. 6, includes an upper plate, a lower plate and a connecting plate, where the upper plate, the lower plate and the connecting plate enclose a positioning cavity, and the shape and size of the positioning cavity are adapted to the shape and size of the torque sensor 7, so that the torque sensor 7 can be stably positioned.
The output shaft of the speed reducer 5 is connected with the torque sensor 7 through an upper bellows coupling 11, and the driving flange 6 is connected with the torque sensor 7 through a lower bellows coupling 12. The corrugated pipe coupling is formed by directly welding or bonding a corrugated thin-wall pipe (corrugated pipe) with two coupling halves to transfer motion. The coupler has the advantages of simple structure, small external dimension, convenient processing and installation, high transmission precision, compact structure and higher transmission precision, can ensure the transmission efficiency of torque and ensure the detection accuracy of the torque sensor 7.
The drive flange 6, the universal joint 8, the lower adapter flange 9, etc. are used for transmitting torque. The driving flange 6 is shown in fig. 7, the small end of which is fixedly connected with the lower bellows connector 12, and the large end of which is provided with a plurality of connecting through holes. When torque is transmitted, the driving flange 6 rotates, and in order to reduce resistance during rotation, the driving flange 6 is mounted on the mounting frame 3 through a bearing 16.
In order to facilitate the connection of the drive flange 6 to the universal joint 8, the lower (i.e. large) end of the drive flange 6 is connected to the universal joint 8 via an upper adapter flange 17. The specific structures of the upper transfer flange 17 and the lower transfer flange 9 are shown in fig. 8, and each of the upper transfer flange 17 and the lower transfer flange 9 comprises a connecting disc and a connecting shaft, wherein the connecting disc of the upper transfer flange 17 is connected with the large end of the driving flange 6 through a plurality of bolts, and the connecting shafts of the upper transfer flange 17 and the lower transfer flange 9 are connected with universal joints at two ends of the universal joint 8.
The lifting support 2 is provided with a rotating platform 20, the rotating platform 20 can rotate around the central line of the lifting support, the rotating platform 20 is provided with a connecting frame 19, and the connecting frame 19 is connected with the mounting frame 3. Specifically, the connecting frame 19 is connected to the mounting frame 3 via the raised flange 15. The elevating flange 15 comprises a middle cylinder and a tray body positioned at two ends of the middle cylinder, wherein the tray body at one end is connected with the connecting frame 19 through a plurality of bolts, and the tray body at the other end is connected with the mounting frame 3 through a plurality of bolts.
In the test, the lower adapter flange 9 of the driving assembly is connected to the input end of the power steering gear, the output end of the power steering gear is connected to a load, the motor 4 can be started, the power of the motor 4 is transmitted to the power steering gear through the speed reducer 5, the torque sensor 7, the driving flange 6, the upper adapter flange 17, the universal coupling 8 and the lower adapter flange 9 in sequence, the torque sensor 7 detects the torque output by the motor 4, and the load provides test resistance.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A drive assembly for power steering gear fatigue endurance test, its characterized in that: including support post (1), be provided with lifting support (2) on support post (1), one side of lifting support (2) is provided with mounting bracket (3), be provided with motor (4) and reduction gear (5) on mounting bracket (3), motor (4) link to each other with reduction gear (5), the output shaft of reduction gear (5) has driving flange (6), be provided with torque sensor (7) between the output shaft of reduction gear (5) and driving flange (6), driving flange (6) are connected with vertical universal joint (8), the lower extreme of universal joint (8) is provided with down adapter flange (9).
2. The drive assembly for a power steering gear fatigue durability test according to claim 1, wherein: be provided with sensor support (10) in mounting bracket (3), torque sensor (7) set up in sensor support (10), the output shaft of reduction gear (5) links to each other with torque sensor (7) through last bellows shaft coupling (11), drive flange (6) link to each other with torque sensor (7) through lower bellows connector (12).
3. The drive assembly for a power steering gear fatigue durability test according to claim 1, wherein: the motor (4) and the speed reducer (5) are arranged above the mounting frame (3).
4. The drive assembly for a power steering gear fatigue durability test according to claim 1, wherein: the lifting mechanism (13) is arranged on the supporting column (1), the lifting support (2) is in sliding fit with the supporting column (1), and the lifting support (2) is connected with the lifting mechanism (13).
5. The drive assembly for a power steering gear fatigue durability test according to claim 4, wherein: the lifting mechanism (13) is a turbine screw rod lifter, and the turbine screw rod lifter is fixedly arranged on a fixed plate (14) at the top of the supporting upright post (1).
6. The drive assembly for a power steering gear fatigue durability test according to claim 1, wherein: the lifting support (2) is provided with a rotating platform (20), the rotating platform (20) is provided with a connecting frame (19), and the connecting frame (19) is connected with the mounting frame (3).
7. The drive assembly for a power steering gear fatigue durability test according to claim 6, wherein: the connecting frame (19) is connected with the mounting frame (3) through the heightening flange (15).
8. The drive assembly for a power steering gear fatigue durability test according to claim 1, wherein: the driving flange (6) is arranged on the mounting frame (3) through a bearing (16), and the lower end of the driving flange (6) is connected with the universal coupling (8) through an upper adapter flange (17).
9. The drive assembly for a power steering gear fatigue durability test according to claim 1, wherein: the lower end of the supporting upright post (1) is provided with a base (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321714023.XU CN219914882U (en) | 2023-06-30 | 2023-06-30 | Driving assembly for fatigue endurance test of power steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321714023.XU CN219914882U (en) | 2023-06-30 | 2023-06-30 | Driving assembly for fatigue endurance test of power steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219914882U true CN219914882U (en) | 2023-10-27 |
Family
ID=88467052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321714023.XU Active CN219914882U (en) | 2023-06-30 | 2023-06-30 | Driving assembly for fatigue endurance test of power steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219914882U (en) |
-
2023
- 2023-06-30 CN CN202321714023.XU patent/CN219914882U/en active Active
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