Multifunctional steer-by-wire hand feeling simulator
By designing a multi-functional steer-by-wire feel simulator, and utilizing a deceleration mechanism, telescopic adjustment, and angle adjustment mechanism, the problems of insufficient driving experience and space utilization in steer-by-wire technology are solved, improving driver comfort and control, and achieving efficient coordination and stability of the system.
Patent Information
- Application Number
- CN202520096279.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing steer-by-wire technology has shortcomings in terms of driving experience and driving space utilization, resulting in room for improvement in driver experience and comfort.
Design a multi-functional steer-by-wire feel simulator, which includes a steering column, an upper steering spindle assembly, a reduction mechanism, a telescopic adjustment mechanism, an angle adjustment mechanism, and an angle limit mechanism. The system provides damping feel, telescopic adjustment of the steering wheel, adjustment of the steering wheel angle, and limit of the number of rotations through a reduction motor, and uses sensor information to coordinate motor movement to optimize the driving experience.
It improves the driver's driving experience and comfort, saves driving space, enhances handling and safety, and achieves more precise motion coordination and system stability.
Smart Images
Figure CN223658241U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle technical field, especially a kind of multifunctional steer-by-wire steering feel simulator. BACKGROUND
[0002] The development process of the steering system of car has experienced mechanical steering system, hydraulic power steering system, electric control hydraulic power steering system and electric power steering system, with the development of steer-by-wire technology, steer-by-wire technology also gradually appears in the steering system of car, which is a new car steering system technology, and the core of the technology is to convert the steering input of the driver into electronic signals, and then control the steering angle of the vehicle through electric actuators, and for the existing steer-by-wire technology, the driving experience and driving space saving degree of the driver need to be improved. SUMMARY
[0003] The utility model aims at providing a kind of multifunctional steer-by-wire steering feel simulator, with the effect of increasing driving experience, saving driving space and improving comfort.
[0004] The above technical purpose of the utility model is realized by the following technical scheme: a kind of multifunctional steer-by-wire steering feel simulator, including steering column and the upper steering spindle assembly of being set in the steering column, the upper steering spindle assembly is connected with steering wheel by spline, the steering column is provided with speed reducer, telescopic adjusting mechanism, angle adjusting mechanism and angle limiting mechanism, the speed reducer is used to provide damping for steering wheel to ensure road feeling, the telescopic adjusting mechanism is used to automatically adjust telescopic steering wheel, the angle adjusting mechanism is used to adjust the angle of steering wheel, and the angle limiting mechanism is used to limit the number of steering wheel rotation.
[0005] By the above technical scheme, the signal from the main controller can be converted into torque by the speed reducer, providing damping to ensure road feeling, the telescopic adjusting mechanism can automatically adjust the telescopic steering wheel, saving driving space and improving comfort, the angle adjusting mechanism can adjust the angle of steering wheel up and down, and the angle limiting mechanism is used to limit the number of steering wheel rotation to meet the needs of different drivers, improve the comfort, safety and controllability of driving.
[0006] The utility model further provides that: the steering column rotates with transmission shaft, one end of the transmission shaft is connected with the upper steering spindle assembly by spline, and the speed reducer includes speed reduction turbine fixed to the transmission shaft, speed reduction motor mounted to the steering column and speed reduction worm fixed to the output end of the speed reduction motor and engaged with the speed reduction turbine.
[0007] By adopting the technical scheme, according to the sensor information of the rotation angle, torque, vehicle speed and the like, the reduction motor drives the reduction worm to rotate, and then drives the reduction turbine and the transmission shaft to rotate, and then drives the upper steering mandrel assembly and the steering wheel to rotate, so as to provide the corresponding road feeling information for the driver, and optimize the driving experience.
[0008] The utility model further provides: angle limiting mechanism includes plus and minus ring, the transmission shaft is connected in plus and minus ring away from upper steering mandrel assembly one end.
[0009] By adopting the technical scheme, the transmission shaft rotates and also drives the plus and minus ring to rotate, and the multilayer plus and minus ring rotates layer by layer to the last layer of plus and minus ring to stop rotating, so as to achieve the mechanical angle limiting effect, and then limit the rotation number of the steering wheel.
[0010] The utility model further provides: telescopic adjusting mechanism includes the axial motor of installation in steering column, axial worm is fixed in the output end of axial motor, rotationally connected in steering column's axial screw rod and fixed in the meshing of axial worm in axial screw rod's axial turbine, upper steering mandrel assembly is rotated with the sleeve that slides in steering column through bearing outside, the sleeve outer wall surface is fixed with the axial screw block of screw connection in axial screw rod.
[0011] By adopting the technical scheme, the axial motor rotates and drives the axial turbine and the axial screw rod to rotate through the worm, and then drives the axial screw block, the sleeve and the upper steering mandrel assembly to move relative to the steering column, and the upper steering mandrel assembly moves relative to the transmission shaft through the spline, so as to achieve the axial adjustment, enhance the control feeling of the driver to the vehicle, and make the control more flexible.
[0012] The utility model further provides: still include mounting panel, steering column is hinged in mounting panel, angle adjusting mechanism drives steering column relative mounting panel rotation.
[0013] By adopting the technical scheme, the mounting panel is fixed in the vehicle body, the angle adjusting mechanism drives the steering column to rotate and adjusts the angle of the steering wheel to adapt to the needs of different drivers, and improve the comfort, safety and controllability of driving.
[0014] The utility model further provides: steering column is fixed with the adjusting frame that is hinged in mounting panel, angle adjusting mechanism includes the angle motor of installation in steering column, angle worm is fixed in the output end of angle motor, rotationally connected in steering column's angle screw rod and fixed in the meshing of angle worm in angle screw rod's angle turbine, adjusting frame is fixed with the angle screw block of screw connection in angle screw rod.
[0015] By adopting the above technical scheme, the angle motor drives the angle worm gear to rotate, and then the angle worm gear drives the angle screw rod to rotate, and then the angle screw rod drives the angle screw block to move, so that the angle screw block drives the adjusting frame and the steering column to rotate relative to the mounting plate to adjust the upper steering spindle assembly and then adjust the steering wheel angle, thereby improving the driving experience.
[0016] The angle motor, the axial motor and the speed reducer motor are connected with the controller.
[0017] By adopting the above technical scheme, the angle motor drives the angle worm gear to rotate, and then the angle worm gear drives the angle screw rod to rotate, and then the angle screw rod drives the angle screw block to move, so that the angle screw block drives the adjusting frame and the steering column to rotate relative to the mounting plate to adjust the upper steering spindle assembly and then adjust the steering wheel angle, thereby improving the driving experience.
[0018] The utility model discloses the beneficial effect is:
[0019] 1, according to the angle, torque, speed sensor information, the speed reducer motor drives the speed reduction worm to rotate, and then drives the speed reduction turbine and transmission shaft to rotate, and then the upper steering spindle assembly and steering wheel rotate, provide corresponding road feeling information for the driver, optimize the driving experience;
[0020] 2, the axial motor rotates and drives the axial worm and the axial screw rod to rotate, and then drives the axial screw block and the upper steering spindle assembly to move relative to the steering column, so as to achieve axial adjustment, enhance the control feeling of driver to vehicle, make control more flexible;
[0021] 3, the angle motor drives the angle worm gear to rotate, and then the angle screw rod drives the angle screw block to move, so that the angle screw block drives the adjusting frame and the steering column to rotate relative to the mounting plate to adjust the upper steering spindle assembly and then adjust the steering wheel angle, thereby improving the driving experience;
[0022] 4, the angle, torque, speed sensor in the vehicle is connected with the controller, and information is sent to the controller, and then the controller controls the operation of multiple motors, realizes more accurate motion coordination, improves the performance and stability of the overall system, and improves the system efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, obviously, the drawing in the following description is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0024] Fig. 1 It is the structure schematic diagram of the utility model.
[0025] Fig. 2 Figure 1 is a schematic diagram of the connection relationship between the steering column, sleeve and upper steering spindle assembly in the utility model.
[0026] Fig. 3 Figure 2 is a schematic diagram of the connection relationship between the speed reduction mechanism, steering column, transmission shaft and upper steering spindle assembly in the utility model.
[0027] Fig. 4 Figure 3 is a schematic diagram of the connection relationship between the telescopic adjustment mechanism and steering column in the utility model.
[0028] Fig. 5 Figure 4 is a schematic diagram of the telescopic adjustment mechanism structure in the utility model.
[0029] Fig. 6 Figure 5 is a schematic diagram of the connection relationship between the angle adjustment mechanism and steering column in the utility model.
[0030] Fig. 7 Figure 6 is a schematic diagram of the angle adjustment mechanism structure in the utility model.
[0031] In the figure, 1, steering column; 2, upper steering spindle assembly; 3, speed reduction mechanism; 31, speed reduction turbine; 32, speed reduction motor; 33, speed reduction worm; 4, telescopic adjustment mechanism; 41, axial motor; 42, axial worm; 43, axial screw; 44, axial turbine; 45, axial threaded block; 5, angle adjustment mechanism; 51, angle motor; 52, angle worm; 53, angle screw; 54, angle turbine; 55, angle threaded block; 6, transmission shaft; 7, mounting plate; 8, sleeve; 9, bearing; 10, adjustment frame; 11, angle limiting mechanism; 111, plus-minus ring; 111a, first layer plus-minus ring; 111b, second layer plus-minus ring; 111c, third layer plus-minus ring; 111d, fourth layer plus-minus ring; 111e, limiting rod; 111f, limiting groove. DETAILED DESCRIPTION
[0032] The technical solutions of the utility model will be described clearly and completely below in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0033] Example 1: A multi-functional steer-by-wire simulator includes a steering column 1 and an upper steering spindle assembly 2 disposed within the steering column 1. The upper steering spindle assembly 2 is connected to a steering wheel via a spline. The steering column 1 is equipped with a deceleration mechanism 3, a telescopic adjustment mechanism 4, an angle adjustment mechanism 5, and an angle limiting mechanism 11. The deceleration mechanism 3 provides damping to the steering wheel to ensure road feel. The telescopic adjustment mechanism 4 automatically adjusts the telescopic steering wheel. The angle adjustment mechanism 5 adjusts the steering wheel angle. The angle limiting mechanism 11 limits the number of rotations of the steering wheel.
[0034] like Figs. 1-3 As shown, a drive shaft 6 rotates inside the steering column 1. One end of the drive shaft 6 is connected to the upper steering spindle assembly 2 via a spline. The reduction mechanism 3 includes a reduction turbine 31 fixed to the drive shaft 6, a reduction motor 32 mounted on the steering column 1, and a reduction worm gear 33 fixed to the output end of the reduction motor 32 and meshing with the reduction turbine 31. The angle limiting mechanism 11 includes an adjustment ring 111. The end of the drive shaft 6 away from the upper steering spindle assembly 2 is connected to the adjustment ring 111. The reduction motor 32 drives the reduction worm gear 33 to rotate, thereby driving the reduction turbine 31 and the drive shaft 6 to rotate, which in turn drives the upper steering spindle assembly 2 and the steering wheel to rotate. The upper steering spindle assembly 2 rotates relative to the sleeve 8 via the bearing 9, providing the driver with corresponding road feel information. When the drive shaft 6 rotates, it also synchronously drives the adjustment ring 111 to rotate. The adjustment ring 111 includes multiple layers arranged along the axial direction of the drive shaft 6. Each layer of the adjustment ring 111 has a limit rod 111e fixed on it. The first layer of adjustment ring 111... The reducing ring 111a is fixed to the drive shaft 6. The other layers of adding and subtracting rings 111 are sequentially sleeved on the drive shaft 6. Driven by the drive shaft 6, when the drive shaft 6 drives the first layer of adding and subtracting rings 111a to rotate, the limiting rod 111e on the first layer of adding and subtracting rings 111a contacts the second layer of adding and subtracting rings 111b, pushing the second layer of adding and subtracting rings 111b to rotate. Subsequently, the limiting rod 111e on the second layer of adding and subtracting rings 111b contacts the third layer of adding and subtracting rings 111c, pushing the third layer of adding and subtracting rings 111c to rotate. As ring 111c rotates, the limiting rod 111e on the third layer of the addition / subtraction ring 111c comes into contact with the fourth layer of the addition / subtraction ring 111d, pushing and driving the fourth layer of the addition / subtraction ring 111d to rotate. A limiting groove 111f is opened on the steering column 1 until the limiting rod 111e on the fourth layer of the addition / subtraction ring 111d almost contacts the edge of the limiting groove 111f. The multi-layer addition / subtraction rings 111 rotate layer by layer until the last layer of the addition / subtraction ring 111d stops rotating, thereby achieving the mechanical angle limiting function.
[0035] like Figs. 4-5As shown, the telescopic adjustment mechanism 4 includes an axial motor 41 mounted on the steering column 1, an axial worm gear 42 fixed to the output end of the axial motor 41, an axial lead screw 43 rotatably connected to the steering column 1, and an axial turbine 44 fixed to the axial lead screw 43 and meshing with the axial worm gear 42. The upper steering spindle assembly 2 is fixed with an axial threaded block 45 threaded to the axial lead screw 43. The rotation of the axial motor 41 drives the axial turbine 44 and the axial lead screw 43 to rotate through the worm gear, thereby driving the axial threaded block 45, the sleeve 8, and the upper steering spindle assembly 2 to move relative to the steering column 1. The upper steering spindle assembly 2 moves relative to the drive shaft 6 through a spline, thereby achieving axial adjustment, enhancing the driver's control of the vehicle, and making the operation more flexible.
[0036] like Figs. 6-7 As shown, it also includes a mounting plate 7, with the steering column 1 hinged to the mounting plate 7. The angle adjustment mechanism 5 drives the steering column 1 to rotate relative to the mounting plate 7. The steering column 1 is fixed with an adjustment bracket 10 hinged to the mounting plate 7. The angle adjustment mechanism 5 includes an angle motor 51 mounted on the steering column 1, an angle worm gear 52 fixed to the output end of the angle motor 51, an angle lead screw 53 rotatably connected to the steering column 1, and an angle turbine 54 fixed to the angle lead screw 53 and meshing with the angle worm gear 52. The adjustment bracket 10 is fixed with an angle threaded block 55 threaded to the angle lead screw 53. The mounting plate 7 is fixed in the vehicle body. The angle motor 51 drives the angle turbine 54 and the angle lead screw 53 to rotate through the angle worm gear 52. Then, the angle lead screw 53 drives the angle threaded block 55 to move, so that the angle threaded block 55 drives the adjustment bracket 10 and the steering column 1 to rotate relative to the mounting plate 7 to adjust the upper steering spindle assembly 2 and thus adjust the steering wheel angle, improving the driving experience.
[0037] Furthermore, the angle motor 51, the axial motor 41, and the geared motor 32 are all connected to the controller. Sensors inside the vehicle, such as those for rotation angle, torque, and vehicle speed, are also connected to the controller and send information to the controller. The controller then controls the operation of multiple motors to achieve more precise motion coordination and improve the overall system performance and stability.
[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A multi-functional steer-by-wire simulator, comprising a steering column (1) and an upper steering spindle assembly (2) disposed within the steering column (1), wherein the upper steering spindle assembly (2) is connected to a steering wheel via a spline, characterized in that: The steering column (1) is provided with a deceleration mechanism (3), a telescopic adjustment mechanism (4), an angle adjustment mechanism (5), and an angle limiting mechanism (11). The deceleration mechanism (3) is used to provide damping for the steering wheel to ensure road feel. The telescopic adjustment mechanism (4) is used to automatically adjust the telescopic steering wheel. The angle adjustment mechanism (5) is used to adjust the steering wheel angle. The angle limiting mechanism (11) is used to limit the number of rotations of the steering wheel.
2. The multi-functional steer-by-wire feel simulator according to claim 1, characterized in that: The steering column (1) contains a drive shaft (6) that rotates within it. One end of the drive shaft (6) is connected to the upper steering spindle assembly (2) via a spline. The reduction mechanism (3) includes a reduction turbine (31) fixed to the drive shaft (6), a reduction motor (32) mounted on the steering column (1), and a reduction worm gear (33) fixed to the output end of the reduction motor (32) and meshing with the reduction turbine (31).
3. A multi-functional steer-by-wire feel simulator according to claim 2, characterized in that: The angle limiting mechanism (11) includes an addition / subtraction ring (111), and the end of the drive shaft (6) away from the upper steering spindle assembly (2) is connected to the addition / subtraction ring (111).
4. A multi-functional steer-by-wire feel simulator according to claim 3, characterized in that: The telescopic adjustment mechanism (4) includes an axial motor (41) mounted on the steering column (1), an axial worm (42) fixed to the output end of the axial motor (41), an axial lead screw (43) rotatably connected to the steering column (1), and an axial turbine (44) fixed to the axial lead screw (43) and meshing with the axial worm (42). A sleeve (8) that slides inside the steering column (1) is rotatably mounted on the upper steering spindle assembly (2) via a bearing (9). An axial threaded block (45) that is threaded to the axial lead screw (43) is fixed on the outer wall of the sleeve (8).
5. A multi-functional steer-by-wire feel simulator according to claim 4, characterized in that: It also includes a mounting plate (7), the steering column (1) is hinged to the mounting plate (7), and the angle adjustment mechanism (5) drives the steering column (1) to rotate relative to the mounting plate (7).
6. A multi-functional steer-by-wire feel simulator according to claim 5, characterized in that: The steering column (1) is fixed with an adjustment frame (10) hinged to the mounting plate (7). The angle adjustment mechanism (5) includes an angle motor (51) mounted on the steering column (1), an angle worm gear (52) fixed to the output end of the angle motor (51), an angle lead screw (53) rotatably connected to the steering column (1), and an angle turbine (54) fixed to the angle lead screw (53) and meshing with the angle worm gear (52). The adjustment frame (10) is fixed with an angle thread block (55) threaded to the angle lead screw (53).
7. A multi-functional steer-by-wire feel simulator according to claim 6, characterized in that: The angle motor (51) Both the axial motor (41) and the geared motor (32) are connected to the controller.