CN219935294U - Loading assembly for fatigue endurance test of power steering gear - Google Patents
Loading assembly for fatigue endurance test of power steering gear Download PDFInfo
- Publication number
- CN219935294U CN219935294U CN202321713675.1U CN202321713675U CN219935294U CN 219935294 U CN219935294 U CN 219935294U CN 202321713675 U CN202321713675 U CN 202321713675U CN 219935294 U CN219935294 U CN 219935294U
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- CN
- China
- Prior art keywords
- sleeve
- loading
- power steering
- swing arm
- steering gear
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- 230000033001 locomotion Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a loading assembly for a fatigue endurance test of a power steering gear, which comprises a base, wherein a pair of vertical supporting frames are arranged on the base, a loading shaft is arranged on each supporting frame through a bearing, a swing arm is fixedly arranged on the loading shaft between the two supporting frames, and a pull rod is connected at the lower end of each swing arm; one end of the loading shaft is provided with a connecting piece. During the test, link to each other pull rod and pendulous arm assembly, link to each other the connecting piece and the load of loading axle tip, power transfer to pendulous arm assembly through power steering ware, drive pendulous arm assembly and rotate certain angle, pendulous arm assembly rethread pull rod drive swing arm and rotate certain angle, the swing arm then drives loading axle and rotates, loading axle again with power transfer to load, can accomplish the test.
Description
Technical Field
The utility model belongs to the field of power steering gear test equipment, and particularly relates to a loading 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 CN 205228839U-a power steering gear test simulation real vehicle test device, a CN 201138292Y-automobile power steering gear torsion bar fatigue test bed and other prior arts.
The drop arm assembly generally has difficulty in directly transmitting power to a load, and a loading assembly is required to be arranged between the load and the drop arm assembly so as to ensure stable and effective power transmission.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a loading assembly for a fatigue endurance test of a power steering gear, which can stably transmit power of a drop arm assembly to a load.
In order to solve the problems, the utility model adopts the following technical scheme: the loading assembly for the fatigue endurance test of the power steering gear comprises a base, wherein a pair of vertical supporting frames are arranged on the base, a loading shaft is arranged on each supporting frame through a bearing, a swing arm is fixedly arranged on the loading shaft between the two supporting frames, and a pull rod is connected with the lower end of each swing arm; one end of the loading shaft is provided with a connecting piece.
Further, the outer wall of the loading shaft between the two supporting frames is provided with a circular groove, a sleeve is arranged in the groove, the sleeve is connected with the loading shaft through a plurality of screws, and the swing arm is fixedly connected with the sleeve.
Further, a connecting sleeve is arranged at the upper end of the swing arm, and the connecting sleeve is sleeved outside the sleeve and fixedly connected with the sleeve.
Further, the connecting sleeve comprises an upper sleeve and a lower sleeve, the upper sleeve is connected with the lower sleeve through bolts, and the swing arm is arranged on the lower sleeve.
Further, the connecting sleeve is connected with the sleeve key.
Further, a pair of connecting lugs are arranged at the lower end of the swing arm, a pin shaft is arranged between the connecting lugs, and the pull rod is connected with the pin shaft.
Further, the connecting piece is a connecting flange.
Further, the end face of the connecting flange is provided with a torque sensor.
The beneficial effects of the utility model are as follows: during the test, link to each other pull rod and pendulous arm assembly, link to each other the connecting piece and the load of loading axle tip, power transfer to pendulous arm assembly through power steering ware, drive pendulous arm assembly and rotate certain angle, pendulous arm assembly rethread pull rod drive swing arm and rotate certain angle, the swing arm then drives loading axle and rotates, loading axle again with power transfer to load, can accomplish the test.
Drawings
FIG. 1 is a schematic front cross-sectional view of a loading assembly of the present utility model;
FIG. 2 is a schematic view of a swing arm of the present utility model;
FIG. 3 is a schematic view of the loading shaft of the present utility model;
FIG. 4 is a schematic view of the present utility model after attachment to a drop arm assembly;
reference numerals: 1-a base; 2-a supporting frame; 3-a bearing; 4-loading shaft; 5-swinging arms; 6, a pull rod; 7-a connecting piece; 8-a sleeve; 9-connecting sleeve; 10-connecting lugs; 11-a pin shaft; 12-torque sensor.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The utility model relates to a loading assembly for a fatigue endurance test of a power steering gear, which is shown in fig. 1 to 4, and comprises a base 1, wherein a pair of vertical supporting frames 2 are arranged on the base 1, a loading shaft 4 is arranged on each supporting frame 2 through a bearing 3, a swing arm 5 is fixedly arranged on the loading shaft 4 between the two supporting frames 2, and a pull rod 6 is connected at the lower end of the swing arm 5; one end of the loading shaft 4 is provided with a connecting piece 7.
The base 1 is a metal plate having a certain thickness, such as a cast iron plate having a thickness of 10 mm. The support frame 2 is used for supporting the loading shaft 4, and the lower extreme of support frame 2 is fixed on base 1, specifically can weld on base 1, also can install on base 1 through the bolt. The supporting frame 2 and the base 1 together form a supporting seat, and in order to improve the strength of the supporting seat, a reinforcing plate can be welded on the side wall of the supporting frame 2.
The loading shaft 4 is shown in fig. 3, and both ends thereof are respectively mounted on one supporting frame 2 through bearings so that the loading shaft 4 can rotate. The end of the bearing is provided with a bearing cap to facilitate positioning of the bearing.
The pull rod 6, the swing arm 5 and the loading shaft 4 are all used for transmitting power, the pull rod 6 is located below the loading shaft 4 and is approximately horizontal, one end of the pull rod 6 is connected with the vertical arm assembly, the other end of the pull rod is hinged with the swing arm 5, the pull rod 6 can be driven to move when the swing arm 5 swings, the pull rod 6 further drives the swing arm 5 to swing, and the loading shaft 4 can be driven to rotate when the swing arm 5 swings due to the fixed connection of the swing arm 5 and the loading shaft 4, so that the transmission of motion is realized.
The connection 7 is used to connect the loading shaft 4 to a load, thereby transmitting motion to the load. The connection 7 may be a coupling or the like, preferably a connection flange.
In the test, the pull rod 6 of the utility model is connected to the drop arm assembly, as shown in fig. 4, the loading shaft 4 is connected to a load through the connecting piece 7, the vertical assembly is connected with the power steering gear, the power steering gear is driven by the motor to move, the operation of the steering wheel by the driver is simulated, the movement of the power steering gear is transmitted to the drop arm assembly, the drop arm assembly swings by a certain angle, the drop arm assembly drives the swing arm 5 to rotate by a certain angle through the pull rod 6, the swing arm 5 drives the loading shaft 4 to rotate by a certain angle, and the loading shaft 4 transmits power to the load through the connecting piece 7.
The swing arm 5 can be directly welded on the loading shaft 4, and in order to improve the assembly precision, preferably, the outer wall of the loading shaft 4 between the two support frames 2 is provided with a circular groove, a sleeve 8 is arranged in the groove, the sleeve 8 is connected with the loading shaft 4 through a plurality of screws, and the swing arm 5 is fixedly connected with the sleeve 8. The sleeve 8 is a circular sleeve, which can be kept stable after being connected to the loading shaft 4 by a plurality of screws. The upper end of the swing arm 5 is provided with a connecting sleeve 9, the connecting sleeve 9 is provided with a circular inner cavity, and the connecting sleeve 9 is sleeved outside the sleeve 8 and fixedly connected with the sleeve 8. Specifically, in order to facilitate the installation of the connecting sleeve 9, as shown in fig. 2, the connecting sleeve 9 includes an upper sleeve and a lower sleeve, which are connected by bolts. The swing arm 5 is arranged on the lower sleeve and is integrally formed with the lower sleeve. Similarly, the sleeve 8 may be divided into upper and lower half sleeves, which are connected to the loading shaft 4 by a plurality of screws, respectively. The connecting sleeve 9 is in key connection with the sleeve 8, and specifically, key grooves are formed in the inner walls of the upper sleeve and the lower sleeve, and the upper sleeve and the lower sleeve are connected with the sleeve 8 through flat keys respectively. This way of connection facilitates the disassembly and maintenance of the swing arm 5.
In order to ensure stable connection of the pull rod 6 and the swing arm 5, a pair of connecting lugs 10 are arranged at the lower end of the swing arm 5, a pin shaft 11 is arranged between the connecting lugs 10, and the pull rod 6 is connected with the pin shaft 11. The connecting lug 10 is provided with a mounting hole, and two ends of the pin shaft 11 are rotatably mounted in the mounting hole, so that the pin shaft 11 can rotate around the axis of the pin shaft. The connection of the pull rod 6 and the pin 11 is positioned between the two connecting lugs 10.
The end face of the connecting flange is provided with a torque sensor 12, and the torque sensor 12 can detect the torque so as to control the test power.
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 (8)
1. A loading assembly for power steering gear fatigue endurance test, its characterized in that: the device comprises a base (1), wherein a pair of vertical supporting frames (2) are arranged on the base (1), a loading shaft (4) is arranged on each supporting frame (2) through a bearing (3), a swing arm (5) is fixedly arranged on the loading shaft (4) between the two supporting frames (2), and a pull rod (6) is connected with the lower end of each swing arm (5); one end of the loading shaft (4) is provided with a connecting piece (7).
2. The loading assembly for a power steering gear fatigue durability test according to claim 1, wherein: the outer wall of the loading shaft (4) between the two supporting frames (2) is provided with a circular groove, a sleeve (8) is arranged in the groove, the sleeve (8) is connected with the loading shaft (4) through a plurality of screws, and the swing arm (5) is fixedly connected with the sleeve (8).
3. The loading assembly for a power steering gear fatigue durability test according to claim 2, wherein: the upper end of the swing arm (5) is provided with a connecting sleeve (9), and the connecting sleeve (9) is sleeved outside the sleeve (8) and fixedly connected with the sleeve (8).
4. A loading assembly for a power steering gear fatigue durability test according to claim 3, wherein: the connecting sleeve (9) comprises an upper sleeve and a lower sleeve, the upper sleeve is connected with the lower sleeve through bolts, and the swing arm (5) is arranged on the lower sleeve.
5. The load assembly for a power steering gear fatigue durability test according to claim 4, wherein: the connecting sleeve (9) is connected with the sleeve (8) in a key way.
6. The loading assembly for a power steering gear fatigue durability test according to claim 1, wherein: the lower end of the swing arm (5) is provided with a pair of connecting lugs (10), a pin shaft (11) is arranged between the connecting lugs (10), and the pull rod (6) is connected with the pin shaft (11).
7. The loading assembly for a power steering gear fatigue durability test according to claim 1, wherein: the connecting piece (7) is a connecting flange.
8. The loading assembly for a power steering gear fatigue durability test according to claim 7, wherein: the end face of the connecting flange is provided with a torque sensor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321713675.1U CN219935294U (en) | 2023-06-30 | 2023-06-30 | Loading assembly for fatigue endurance test of power steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321713675.1U CN219935294U (en) | 2023-06-30 | 2023-06-30 | Loading assembly for fatigue endurance test of power steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219935294U true CN219935294U (en) | 2023-10-31 |
Family
ID=88499282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321713675.1U Active CN219935294U (en) | 2023-06-30 | 2023-06-30 | Loading assembly for fatigue endurance test of power steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219935294U (en) |
-
2023
- 2023-06-30 CN CN202321713675.1U patent/CN219935294U/en active Active
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