CN115773890B - Automobile steering simulation loading device - Google Patents
Automobile steering simulation loading device Download PDFInfo
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- CN115773890B CN115773890B CN202211622050.4A CN202211622050A CN115773890B CN 115773890 B CN115773890 B CN 115773890B CN 202211622050 A CN202211622050 A CN 202211622050A CN 115773890 B CN115773890 B CN 115773890B
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- 238000004088 simulation Methods 0.000 title claims abstract description 36
- 230000001360 synchronised effect Effects 0.000 claims abstract description 62
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000012360 testing method Methods 0.000 abstract description 11
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The invention discloses an automobile steering simulation loading device, which belongs to the technical field of automobile whole automobile steering tests and comprises an adapter plate, a synchronous steering system, a steering load loading system and a vibration control system; the adapter plate is fixed with the automobile steering wheel; the synchronous steering system is used for installing an adapter disc and synchronously steering with steering wheels of the automobile; the steering load loading system applies steering load to the synchronous steering system; the vibration control system is used for controlling the synchronous steering system and the steering load loading system to move up and down integrally. The invention effectively solves the problems that the existing automobile steering simulation loading device can not accurately measure steering angle, simulated steering load and displacement and vibration of the simulated steering wheel in the vertical direction during testing, and enables the automobile steering simulation loading to be more approximate to reality.
Description
Technical Field
The invention relates to the technical field of vehicle simulation test, in particular to a vehicle steering simulation loading device.
Background
The steering system is an important component of the automobile, and is critical to the running safety of the automobile. In the automobile research and development process, the automobile whole steering simulation loading is an important mode and device for checking and testing whether the automobile whole steering system meets the road working condition requirement, and the automobile whole steering and driving conditions are simulated as truly as possible through an automobile whole steering simulation loading test, so that the performance of the automobile steering system is tested and evaluated.
The existing automobile steering simulation loading generally adopts a loading mode of a dynamometer trolley or a pull rod ball head. The power measuring machine trolley is characterized in that four wheels are arranged on a power measuring machine base, wheels of the whole automobile are arranged on the power measuring machine, and when the automobile turns, the power measuring machine trolley rotates along with the turning wheels of the automobile. The scheme has the synchronous steering function with the steering wheels of the automobile, cannot accurately measure the steering angles of the steering wheels, cannot simulate the steering load of the steering wheels when the automobile steers, and cannot simulate the displacement and vibration of the steering wheels of the automobile in the vertical direction in the running process. However, in the actual running process of the automobile, the steering wheel of the automobile can be subjected to different steering loads, such as asphalt road and gravel road, according to different environments, and the steering wheel of the automobile can also generate displacement and vibration in the vertical direction during the running process, such as uneven road surface. The pull rod ball head loading mode is to install a set of load mechanism on the side face of the base of the dynamometer, install wheels of the whole automobile on the dynamometer, disconnect the steering ball head and the steering knuckle of the automobile during installation, and then connect the ball head with the load mechanism. When the automobile turns, the steering ball head drives the steering load mechanism to move, so that the measurement of the steering angle and the simulation of the steering load are realized. An automobile test system and a road-based driving simulator are disclosed in the publication of JP2022082002 a. However, the scheme needs to damage the steering tie rod of the automobile during testing, and the displacement and vibration of the steering wheel in the vertical direction during running cannot be simulated.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an automobile steering simulation loading device, which aims to solve the problems that the existing automobile steering simulation loading device cannot truly simulate automobile steering during testing and cannot accurately measure steering angle, simulated steering load and displacement and vibration of simulated steering wheels in the vertical direction. In order to achieve the above purpose, the present invention provides the following technical solutions:
an automobile steering simulation loading device comprises an adapter plate, a synchronous steering system, a steering load loading system and a vibration control system; the adapter plate is fixed with the automobile steering wheel; the synchronous steering system is used for installing an adapter disc and synchronously steering with steering wheels of the automobile; the steering load loading system applies steering load to the synchronous steering system; the vibration control system is used for controlling the synchronous steering system and the steering load loading system to move up and down integrally.
Further, the synchronous steering system comprises a steering bearing seat, a steering base and a steering support disc; the steering bearing seat is provided with a steering bearing and a steering shaft; the steering bearing is matched with the steering shaft; the steering shaft is matched with the adapter plate; the steering bearing seat is arranged on the steering base; the steering base is supported on the steering support plate in an unconstrained manner on a plane; the steering load loading system applies a steering load to the steering base.
Further, the steering base comprises a base and two supporting frames; two supporting frames are fixed on the base; two sides of the steering bearing seat are matched with two external threaded pins through threaded holes; the external thread pins are correspondingly supported on through holes arranged on the supporting frames one by one, so that the steering bearing seat can swing relative to the two supporting frames; the external thread pin controls the tightness of the steering bearing seat and the two supporting frames by adjusting the depth of the external thread pin screwed into the threaded hole.
Further, four floating steel ball seats are arranged on the base; the floating steel ball seat is matched with a floating steel ball.
Further, the steering load loading system comprises a universal coupling, a loading shaft, a connecting disc, a loading bearing seat and a servo loading mechanism; one end of the loading shaft is connected with the synchronous steering system through a universal coupling, and the other end of the loading shaft is supported on the loading bearing seat through a bearing; a connecting disc is fixed on the loading shaft; the servo loading mechanism is used for providing resistance for the loading shaft to drive the connecting disc to rotate.
Further, the servo loading mechanism comprises two steering load cylinders and two cylinder supports; one end of the steering load cylinder is hinged with the connecting disc, and the other end of the steering load cylinder is hinged with the cylinder support; the two steering load cylinders are positioned at two sides of the loading shaft.
Further, the loading shaft comprises a first loading shaft, a torque angle sensor and a second loading shaft; the universal coupling, the first loading shaft, the torque angle sensor and the second loading shaft are sequentially connected; the second loading shaft is fixed with the connecting disc.
Further, the universal coupling is a ball cage type universal coupling.
Further, the vibration control system comprises a fixed rack, a movable rack and a vertical loading oil cylinder; the synchronous steering system and the steering load loading system are arranged on the movable rack; two sliding blocks are fixed on the movable frame; the two sliding blocks are respectively matched with a linear guide rail; the linear guide rail is fixed on the fixed frame; one end of the vertical loading oil cylinder is hinged with the fixed frame, and the other end of the vertical loading oil cylinder is hinged with the movable frame.
The invention discloses an automobile steering simulation loading device, which belongs to the technical field of automobile whole automobile steering tests and comprises an adapter plate, a synchronous steering system, a steering load loading system and a vibration control system; the adapter plate is fixed with the automobile steering wheel; the synchronous steering system is used for installing an adapter disc and synchronously steering with steering wheels of the automobile; the steering load loading system applies steering load to the synchronous steering system; the vibration control system is used for controlling the synchronous steering system and the steering load loading system to move up and down integrally. The invention effectively solves the problems that the existing automobile steering simulation loading device can not accurately measure steering angle, simulated steering load and displacement and vibration of the simulated steering wheel in the vertical direction during testing, and enables the automobile steering simulation loading to be more approximate to reality.
Drawings
FIG. 1 is a schematic perspective view of an automobile steering simulation loading device;
FIG. 2 is a cross-sectional view of the vehicle steering simulation loading apparatus of the present invention;
in the accompanying drawings: 1-cylinder support, 2-steering load cylinder, 3-fixed frame, 4-base, 5-steering shaft, 8-steering bearing, 12-adapter plate, 13-steering base, 15-steering support plate, 16-first loading shaft, 17-movable frame, 20-connecting disc, 22-bearing, 24-second loading shaft, 25-supporting frame, 27-vertical loading cylinder, 29-oil filler, 30-temperature sensor, 31-external screw pin, 32-floating steel ball seat, 33-sliding block and 34-linear guide rail.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and the detailed description, but the present invention is not limited to the following examples.
Embodiment one:
see fig. 1-2. An automobile steering simulation loading device comprises an adapter plate 12, a synchronous steering system, a steering load loading system and a vibration control system; the adapter plate 12 is fixed with the steering wheel of the automobile; the synchronous steering system is used for installing the adapter plate 12 and synchronously steering with the steering wheels of the automobile; the steering load loading system applies steering load to the synchronous steering system; the vibration control system is used for controlling the synchronous steering system and the steering load loading system to move up and down integrally. According to the structure, the adapter plate 12 is arranged on the synchronous steering system, the adapter plate 12 is fixed with the steering wheels of the automobile, and when the steering wheels of the automobile steer, the adapter plate 12 fixed with the adapter plate is driven to steer, and the adapter plate 12 drives the synchronous steering system to steer, so that the synchronous steering system and the steering wheels of the automobile steer synchronously. When measuring the steering angle, the steering angle magnitude can be accurately measured using an existing angle sensor, for example, an MCJS1420A angle sensor. The steering wheel of the vehicle may be a hub or a brake disc, and the adapter disc 12 may be fixed to the hub or brake disc when the steering wheel of the vehicle is fixed. In the running process of the automobile, the automobile receives steering loads with different magnitudes during steering due to different road surface conditions, and the steering load is truly simulated through the steering load loading system. The steering load loading system applies steering load to the synchronous steering system, so that the synchronous steering system applies steering load to the adapter disk 12, and the adapter disk 12 applies steering load to the steering wheels of the automobile, thereby simulating the steering load through the steering load loading system. The vibration control system can control the synchronous steering system and the steering load loading system to move up and down integrally, and the synchronous steering system and the steering load loading system move up and down integrally and drive the steering wheel of the automobile to move up and down, so that the displacement and vibration simulation of the steering wheel of the automobile in the up and down direction are realized. Due to the arrangement of the synchronous steering system, the steering load loading system and the vibration control system, the automobile steering simulation loading device can realize the steering simulation, the steering load simulation and the vertical vibration simulation of the steering wheels of the automobile, truly simulate the steering working conditions of the steering wheels of the automobile, ensure the steering reliability of the automobile and accurately measure the steering angle through the angle sensor. The device can also be matched with a dynamometer for use, and the dynamometer can apply load in the rotation direction of wheels to the adapter plate 12 to perform simulation test on the automobile.
Embodiment two:
see fig. 1-2. On the basis of the first embodiment, the synchronous steering system comprises a steering bearing seat, a steering base 13 and a steering support disc 15; the steering bearing seat is provided with a steering bearing 8 and a steering shaft 5; the steering bearing 8 is matched with the steering shaft 5; the steering shaft 5 is matched with the adapter disc 12; the steering bearing seat is arranged on the steering base 13; the steering base 13 is supported on the steering support plate 15 in an unconstrained manner on a plane; the steering load loading system applies a steering load to the steering base 13. According to the structure, the adapter plate 12 is matched with the steering shaft 5, the steering shaft 5 is sleeved with the steering bearing 8, the steering bearing 8 is arranged on the steering bearing seat, the steering bearing seat is arranged on the steering base 13, and the steering base 13 supports the steering bearing seat and the adapter plate 12. The steering base 13 is supported on the steering support plate 15 without restraint on the plane, i.e. the steering base 13 is supported on the steering support plate 15, and the steering base 13 is not restrained on the plane of the steering support plate 15, for example by means of a floating steel ball supporting the steering base 13. When the automobile steering wheel turns, the adapter plate 12 fixed with the adapter plate is driven to turn, the adapter plate 12 drives the steering shaft 5, the steering bearing 8 and the steering bearing seat to turn, and the steering bearing seat drives the steering base 13 to turn on the plane of the steering support plate 15, so that the steering bearing seat and the steering base 13 turn synchronously with the automobile steering wheel. The steering support plate 15 can be provided with a hole, the steering load loading system can be connected with the steering base 13 through the hole, when the steering load loading system applies steering load, the steering load loading system applies steering load to the steering base 13, the steering base 13 applies steering load to the steering bearing seat, the steering bearing seat applies steering load to the adapter plate 12, and the adapter plate 12 applies steering load to the steering wheels of the automobile, so that the simulation of the steering load is performed through the steering load loading system. The oil filler 29 and the temperature sensor 30 may be provided in the steering bearing housing, and the lubricating oil may be injected into the steering bearing housing through the oil filler 29 to lubricate between the steering shaft 5 and the steering bearing 8, thereby reducing friction. The temperature sensor 30 may be an existing temperature sensor for monitoring the operating temperature of the steering bearing housing, improving the reliable operation of the device.
The steering base 13 comprises a base 4 and two supporting frames 25; two supporting frames 25 are fixed on the base 4; two external threaded pins 31 are matched with two sides of the steering bearing seat through threaded holes; the external thread pins 31 are correspondingly supported on through holes arranged on the supporting frames 25 one by one, so that the steering bearing seat can swing relative to the two supporting frames 25; the external thread pin 31 controls the tightness of the steering bearing seat and the two support frames 25 by adjusting the depth of screwing into the threaded hole. As can be seen from the above structure, the steering base 13 includes a base 4 and two supporting frames 25, and the two supporting frames 25 are fixed at two ends of the base 4. The two support frames 25 are provided with through holes which are matched with the external threaded pins 31, threaded holes are arranged on two sides of the steering bearing seat, and the external threaded pins 31 matched with the threaded holes penetrate through the through holes and are screwed into the corresponding threaded holes on the steering bearing seat, so that the steering base 13 supports the steering bearing seat through the two external threaded pins 31. The external thread pin 31 controls the tightness of the steering bearing seat and the two support frames 25 by adjusting the depth of the screw hole, when the depth of the screw hole of the external thread pin 31 is shallower, a gap is reserved between the steering bearing seat and the two support frames 25, and the steering bearing seat can swing relative to the two support frames 25; when the external threaded pin 31 is completely screwed into the threaded hole, the steering bearing seat is tightly attached to the two support frames 25, and the steering bearing seat is fixed relative to the two support frames 25. When the automobile steering wheel is installed, the two external thread pins 31 are adjusted to be screwed into the threaded holes to a proper depth, so that the steering bearing seat can swing relative to the two supporting frames 25, when the automobile steering wheel is laterally deviated, the steering bearing seat can rotate around the axial direction of the external thread pins 31, and the steering bearing seat is deviated to a proper angle, so that the installation of the automobile steering wheel with a deviation angle is realized by matching with the installation of the laterally deviated automobile steering wheel, the deviation angle of the steering bearing seat can be self-adaptive, is not limited by the automobile steering wheel, and more truly simulates the automobile steering. After the automobile steering wheel is installed, the two external threaded pins 31 are adjusted again to be screwed into the threaded holes to a proper depth, so that the steering bearing seat is fixed relative to the two support frames 25, and the two support frames 25 are fixed with the base 4. When the steering wheel of the automobile steers, the steering bearing seat is driven to steer, and the steering bearing seat drives the two supporting frames 25 and the base 4 to steer, so that the steering bearing seat and the steering base 13 steer synchronously with the steering wheel of the automobile.
Four floating steel ball seats 32 are arranged on the base 4; the floating steel ball seat 32 is fitted with a floating steel ball. As is clear from the above structure, the base 4 is supported on the steering support plate 15 by the floating steel ball, and the contact between the floating steel ball and the steering support plate 15 is ball-surface contact, so that the base 4 can rotate on the plane of the steering support plate 15 without constraint by the floating steel ball. When the automobile steering wheel turns, the adapter plate 12 fixed with the adapter plate is driven to turn, the adapter plate 12 drives the steering bearing 8 and the steering bearing seat to turn, and the steering bearing seat drives the steering base 13 to turn on the plane of the steering support plate 15, so that the steering bearing seat and the steering base 13 synchronously turn with the automobile steering wheel.
Embodiment III:
see fig. 1-2. On the basis of the second embodiment, the steering load loading system comprises a universal coupling, a loading shaft, a connecting disc 20, a loading bearing seat and a servo loading mechanism; one end of the loading shaft is connected with the synchronous steering system through a universal coupling, and the other end of the loading shaft is supported on the loading bearing seat through a bearing 22; a connecting disc 20 is fixed on the loading shaft; the servo loading mechanism is used for providing resistance for the loading shaft to drive the connecting disc 20 to rotate. According to the structure, when the automobile runs, due to different road surface conditions, steering loads with different magnitudes can be received during steering, and the steering load is simulated truly through the steering load loading system. One end of the loading shaft is connected with the synchronous steering system through a universal coupling, the loading shaft is fixedly connected with the synchronous steering system, the universal coupling is used as a mechanical part for transmitting torque and is used for connecting the loading shaft and the synchronous steering system, and the torque on the loading shaft can be transmitted to the synchronous steering system. The other end of the loading shaft is sleeved with a bearing 22, and the bearing 22 is supported on the loading bearing seat and limits the movement of the loading shaft in the autorotation direction. The loading shaft is fixed with a connecting disc 20, and when the loading shaft rotates, the connecting disc 20 is driven to rotate. When the automobile steering wheel turns, the adapter plate 12 fixed with the adapter plate 12 is driven to turn, the adapter plate 12 drives the synchronous steering system to turn, the synchronous steering system drives the loading shaft to rotate, the loading shaft drives the connecting disc 20 to rotate when rotating, the servo loading mechanism provides resistance to the connecting disc 20 to prevent the connecting disc 20 from rotating, the connecting disc 20 transmits the torque preventing the rotation to the loading shaft, the loading shaft transmits the torque to the synchronous steering system through the universal coupler, the synchronous steering system transmits the torque to the automobile steering wheel to prevent the automobile steering wheel from turning, namely, when the automobile turns, the real driving environment can be simulated to provide a steering load for the automobile steering wheel. When measuring torque, the torque magnitude can be measured using an existing torque sensor, such as a JN-DN2 dynamic torque sensor. The servo loading mechanism can be adjusted to provide force, different steering loads are simulated, and the simulated loading of the steering load with any moment is realized, so that the simulation of the steering wheel of the automobile is more similar to the actual working condition of the automobile running on a road.
The servo loading mechanism comprises two steering load cylinders 2 and two cylinder supports 1; one end of the steering load cylinder 2 is hinged with the connecting disc 20, and the other end of the steering load cylinder is hinged with the cylinder support 1; two steering load cylinders 2 are located on both sides of the loading shaft. As is clear from the above structure, two forces are supplied from the two steering load cylinders 2, and the resultant force of the two forces forms a steering load. One end of the steering load cylinder 2 is hinged with the connecting disc 20, the other end of the steering load cylinder 2 is hinged with the cylinder support 1, the two steering load cylinders 2 are positioned on two sides of the loading shaft, and the two steering load cylinders 2 can be symmetrically arranged about the loading shaft. When the steering wheel of the automobile drives the connecting disc 20 to rotate, the two steering load cylinders 2 apply force to prevent the connecting disc 20 from rotating, for example, the two steering load cylinders 2 can apply equal and opposite forces to generate a torque, the connecting disc 20 transmits the torque to a loading shaft, the loading shaft transmits the torque to a synchronous steering system through a universal coupling, the synchronous steering system transmits the torque to the steering wheel of the automobile to prevent the steering wheel of the automobile from steering, that is, when the automobile steers, the steering load can be provided for the steering wheel of the automobile by simulating a real running environment. The two steering load cylinders 2 can adjust the magnitude, direction and frequency of the applied force, and can also apply a fixed force value or a variable force value. The steering load loading system realizes the steering load simulation loading of any moment by adjusting the force applied by the two steering load cylinders 2.
The loading shafts include a first loading shaft 16, a torque angle sensor, and a second loading shaft 24; the universal coupling, the first loading shaft 16, the torque angle sensor and the second loading shaft 24 are connected in sequence; the second loading shaft 24 is fixed to the connection plate 20. As can be seen from the above structure, the universal coupling connects the synchronous steering system with the first loading shaft 16, the torque angle sensor and the second loading shaft 24 are sequentially and fixedly connected, the second loading shaft 24 is externally sleeved with the bearing 22, and the bearing 22 is supported on the loading bearing seat, and restricts the movement of the second loading shaft 24 in the rotation direction. The second loading shaft 24 is fixed with the connecting disc 20, and the two steering load cylinders 2 are hinged with the connecting disc 20. When the automobile steering wheel turns, the adapter plate 12 fixed with the adapter plate is driven to turn, the adapter plate 12 drives the synchronous steering system to turn, the synchronous steering system drives the first loading shaft 16 to rotate, the first loading shaft 16 drives the second loading shaft 24 to rotate when rotating, the second loading shaft 24 drives the connecting disc 20 to rotate, the two steering load cylinders 2 provide resistance to the connecting disc 20 to prevent the connecting disc 20 from rotating, a torque is generated, the connecting disc 20 transmits the torque to the second loading shaft 24, the second loading shaft 24 transmits the torque to the first loading shaft 16 again, the first loading shaft 16 transmits the torque to the synchronous steering system through the universal coupling, the synchronous steering system transmits the torque to the automobile steering wheel to prevent the automobile steering wheel from turning, and finally, when the automobile steering is carried out, a steering load is provided for the automobile steering wheel. The torque magnitude of the first loading shaft 16 and the second loading shaft 24 and the steering angle magnitude of the synchronous steering system can be measured by the torque angle sensor. For example, the torque angle sensor may employ an SCT-20N sensor, and the rotation angle and torque of the steering may be measured simultaneously. The bearing 22 can be a bearing, or a plurality of bearings 22 are arranged side by side, so that lower torque can be provided, the influence of the bearings 22 when the steering load is tested is reduced, and the simulated loading environment is more real.
The universal coupling is a ball cage type universal coupling. As can be seen from the above construction, the ball and socket universal joint is connected to the synchronous steering system and the first loading shaft 16 via the ball and socket outer ring, the star inner ring, and the cage, respectively. The ball cage type universal coupling has good synchronism, so that the synchronous steering system and the first loading shaft 16 rotate together; meanwhile, the device is reliable in work, convenient to assemble and disassemble and convenient to maintain.
Embodiment four:
see fig. 1-2. On the basis of the third embodiment, the vibration control system comprises a fixed frame 3, a movable frame 17 and a vertical loading oil cylinder 27; the synchronous steering system and the steering load loading system are arranged on the movable frame 17; two sliding blocks 33 are fixed on the movable frame 17; the two sliding blocks 33 are respectively matched with a linear guide rail 34; the linear guide rail 34 is fixed on the fixed frame 3; one end of the vertical loading cylinder 27 is hinged with the fixed frame 3, and the other end is hinged with the movable frame 17. According to the structure, the vibration control system is used for controlling the synchronous steering system and the steering load loading system to move up and down integrally and simulating the actual working condition of the steering wheel of the automobile running on a road. One end of the cylinder body of the vertical loading cylinder 27 is hinged with the fixed frame 3, one end of the cylinder rod is hinged with the movable frame 17, when the vertical loading cylinder 27 applies force in the vertical direction, one end of the cylinder rod of the vertical loading cylinder 27 drives the movable frame 17 to vibrate, the synchronous steering system and the steering load loading system are arranged on the movable frame 17, the synchronous steering system and the steering load loading system are driven to vibrate up and down by the vibration of the movable frame 17, and the synchronous steering system and the steering load loading system vibrate up and down and drive the steering wheel of the automobile to vibrate, so that the vibration in the vertical direction of the steering wheel of the automobile is realized. Two sliding blocks 33 are fixed on the movable frame 17, two sliding blocks 33 are respectively matched with a linear guide rail 34, the linear guide rail 34 is fixed on the fixed frame 3, and the movable frame 17 can slide relative to the fixed frame 3 along the corresponding linear guide rail 34 in the vertical direction through the two sliding blocks 33. When the vertical loading cylinder 27 drives the movable frame 17 to vibrate up and down, the two sliding blocks 33 on the movable frame 17 can only slide along the corresponding linear guide rails 34 in the vertical direction, so that the movable frame 17 is limited to vibrate in the vertical direction, the synchronous steering system and the steering load loading system are driven to vibrate in the vertical direction by the vibration of the movable frame 17 in the vertical direction, and the automobile steering wheel is driven to vibrate in the vertical direction by the vibration of the synchronous steering system and the steering load loading system in the vertical direction, so that the vibration of the automobile steering wheel in the vertical direction is realized. The vibration control of the steering wheel of the automobile in the vertical direction enables the simulation of the steering wheel to be more similar to the actual working condition of the automobile running on a road, the vibration in the vertical direction is controlled by the vertical loading oil cylinder 27, the vertical loading oil cylinder 27 can adjust the magnitude, the direction and the frequency of the applied force, and a fixed force value or a variable force value can be applied, so that dynamic simulation can be realized.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (6)
1. An automobile steering simulation loading device is characterized in that: comprises an adapter plate (12), a synchronous steering system, a steering load loading system and a vibration control system; the adapter disc (12) is fixed with the automobile steering wheel; the synchronous steering system is used for installing an adapter plate (12) and synchronously steering with the steering wheels of the automobile; the steering load loading system applies steering load to the synchronous steering system; the vibration control system is used for controlling the synchronous steering system and the steering load loading system to move up and down integrally; the synchronous steering system comprises a steering bearing seat, a steering base (13) and a steering support disc (15); the steering bearing seat is provided with a steering bearing (8) and a steering shaft (5); the steering bearing (8) is matched with the steering shaft (5); the steering shaft (5) is matched with the adapter disc (12); the steering bearing seat is arranged on the steering base (13); the steering base (13) is supported on the steering support disc (15) in an unconstrained manner on a plane; the steering load loading system applies steering load to the steering base (13); the steering load loading system comprises a universal coupling, a loading shaft, a connecting disc (20), a loading bearing seat and a servo loading mechanism; one end of the loading shaft is connected with the synchronous steering system through a universal coupling, and the other end of the loading shaft is supported on the loading bearing seat through a bearing (22); a connecting disc (20) is fixed on the loading shaft; the servo loading mechanism is used for providing resistance for the loading shaft to drive the connecting disc (20) to rotate; the vibration control system comprises a fixed frame (3), a movable frame (17) and a vertical loading oil cylinder (27); the synchronous steering system and the steering load loading system are arranged on the movable rack (17); two sliding blocks (33) are fixed on the movable frame (17); the two sliding blocks (33) are respectively matched with a linear guide rail (34); the linear guide rail (34) is fixed on the fixed frame (3); one end of the vertical loading oil cylinder (27) is hinged with the fixed frame (3), and the other end is hinged with the movable frame (17).
2. The automobile steering simulation loading device according to claim 1, wherein: the steering base (13) comprises a base (4) and two supporting frames (25); two supporting frames (25) are fixed on the base (4); two sides of the steering bearing seat are matched with two external threaded pins (31) through threaded holes; the external thread pins (31) are supported on through holes arranged on the supporting frames (25) in a one-to-one correspondence manner, so that the steering bearing seat can swing relative to the two supporting frames (25); the external thread pin (31) controls the tightness of the steering bearing seat and the two supporting frames (25) by adjusting the depth of the screw-in threaded hole.
3. The automobile steering simulation loading device according to claim 2, wherein: four floating steel ball seats (32) are arranged on the base (4); the floating steel ball seat (32) is matched with a floating steel ball.
4. The automobile steering simulation loading device according to claim 1, wherein: the servo loading mechanism comprises two steering load cylinders (2) and two cylinder supports (1); one end of the steering load cylinder (2) is hinged with the connecting disc (20), and the other end of the steering load cylinder is hinged with the cylinder support (1); the two steering load cylinders (2) are positioned at two sides of the loading shaft.
5. The automobile steering simulation loading device according to claim 1, wherein: the loading shaft comprises a first loading shaft (16), a torque angle sensor and a second loading shaft (24); the universal coupling, the first loading shaft (16), the torque angle sensor and the second loading shaft (24) are sequentially connected; the second loading shaft (24) is fixed with the connecting disc (20).
6. The automobile steering simulation loading device according to claim 1, wherein: the universal coupling is a ball cage type universal coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211622050.4A CN115773890B (en) | 2022-12-16 | 2022-12-16 | Automobile steering simulation loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211622050.4A CN115773890B (en) | 2022-12-16 | 2022-12-16 | Automobile steering simulation loading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115773890A CN115773890A (en) | 2023-03-10 |
| CN115773890B true CN115773890B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211622050.4A Active CN115773890B (en) | 2022-12-16 | 2022-12-16 | Automobile steering simulation loading device |
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| Country | Link |
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| CN (1) | CN115773890B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3480352D1 (en) * | 1983-08-26 | 1989-12-07 | Mts System Corp | Test system for testing front wheel drive components of automobiles |
| CN101696908A (en) * | 2009-10-19 | 2010-04-21 | 重庆理工大学 | Device for testing performance of automotive steering system |
| CN201527343U (en) * | 2009-10-19 | 2010-07-14 | 重庆理工大学 | Performance test device for automobile steering system |
| JP2022082002A (en) * | 2020-11-20 | 2022-06-01 | 株式会社小野測器 | Automobile testing system and road driving simulator |
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2022
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3480352D1 (en) * | 1983-08-26 | 1989-12-07 | Mts System Corp | Test system for testing front wheel drive components of automobiles |
| CN101696908A (en) * | 2009-10-19 | 2010-04-21 | 重庆理工大学 | Device for testing performance of automotive steering system |
| CN201527343U (en) * | 2009-10-19 | 2010-07-14 | 重庆理工大学 | Performance test device for automobile steering system |
| JP2022082002A (en) * | 2020-11-20 | 2022-06-01 | 株式会社小野測器 | Automobile testing system and road driving simulator |
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| CN115773890A (en) | 2023-03-10 |
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