A modular independent steering axle-specific vehicle steering assembly

Abstract

This invention relates to the field of vehicle steering assembly technology, specifically a modular independent steering axle-specific vehicle steering assembly, including a mounting positioning rod, a limiting support frame, a hydraulic column seat, and a limiting connecting plate. A driven adjustment device is movably connected to the rear end of the limiting connecting plate, and a reversing adjustment device is connected to the rear end of the driven adjustment device via a limiting drive. This vehicle steering assembly is simple to operate, stable, and efficient. It can adjust the damping force of the steering assembly according to different vehicle speeds, thereby improving vehicle safety and stability. Simultaneously, it can provide wind-powered cooling and impurity removal for the steering and braking assemblies, resulting in higher cooling efficiency and better cleaning. Furthermore, when one tire falls into a ditch, it can adaptively adjust the frictional pressure between the tire and the ditch according to the tire's condition, ensuring rapid tire detachment. Additionally, it can utilize a strut and lowering rod for temporary support, improving the tire's lifting and detachment effect.

Description

Technical Field

[0001] This invention relates to the field of vehicle steering assembly technology, specifically a vehicle steering assembly for a modular independent steering axle. Background Technology

[0002] The steering gear is an important assembly in the steering system, and its main functions are threefold: first, to increase the torque from the steering wheel, making it large enough to overcome the steering resistance torque between the steering wheels and the road surface; second, to reduce the speed of the steering drive shaft and cause the steering rocker arm shaft to rotate, driving the rocker arm to swing so that its end obtains the required displacement, or to convert the rotation of the drive gear connected to the steering drive shaft into the linear motion of the rack and pinion to obtain the required displacement; and third, to achieve the purpose of coordinating the rotation direction of the steering wheel with the rotation direction of the steering wheels by selecting different helical directions on the screw.

[0003] Chinese Patent Publication No. 2016104596395 discloses a vehicle steering device and a vehicle. The vehicle steering device includes a first transmission device and a first drive device. The first transmission device includes a transmission pulley and a steering shaft. The transmission pulley is connected to the steering shaft, and the steering shaft is used to drive the wheel assembly to turn. The vehicle steering assembly has low transmission efficiency and poor steering accuracy.

[0004] Chinese Patent Publication No. 2019113579547 provides a steering device and a wheel mounting module for a vehicle equipped with the steering device, (a) a steering knuckle (16a) that holds the wheel (W) in a rotatable manner; (b) an electric motor (26) fixed to a suspension arm (12) and a reducer (28) that reduces the rotation of the electric motor; the steering assembly of the vehicle is difficult to operate.

[0005] Currently, most vehicle steering assemblies adjust steering through continuous transmission during use. However, this can be inconvenient for multi-stage buffering adjustments in actual use, affecting shock resistance.

[0006] Meanwhile, when actually steering a vehicle, the steering resistance of the steering system varies depending on the vehicle speed. However, existing technologies lack adaptive adjustment functions, which reduces the safety of vehicle driving. Furthermore, existing technologies lack cooling and impurity removal effects when the vehicle is in motion, which reduces the stability of vehicle driving.

[0007] When a vehicle falls into a ditch and becomes stuck to the sidewall, simply turning the steering wheel and rotating the steering assembly by the operator cannot keep the tires in stable contact with the ditch wall. Furthermore, the rigid transmission of the steering assembly can easily cause damage to its internal structure, thus increasing the difficulty of getting out of the ditch and reducing the strength of the internal structure.

[0008] When one of the vehicle's tires falls into the ditch and becomes suspended in the air, the bottom of the vehicle's steering assembly is supported by the side wall of the ditch. No matter how the tire is turned, it cannot get out of the ditch, increasing the difficulty of rescue for the operators. Summary of the Invention

[0009] To address the problems in the prior art, the present invention provides a vehicle steering assembly specifically designed for a modular independent steering axle.

[0010] The technical solution adopted by the present invention to solve its technical problem is: a modular independent steering axle-specific vehicle steering assembly, including a mounting positioning rod, a limiting support frame, a hydraulic column seat and a limiting connecting plate, wherein the rear end of the limiting connecting plate is movably connected to a driven adjustment device, and the rear end of the driven adjustment device is limited drive connected to a reversing adjustment device.

[0011] The driven control device includes two sets of control transmission disks, with a mating rod between the control transmission disks. A connecting rod is provided at the front end of the center of the mating rod. Both ends of the connecting rod are hinged to the inner wall of the control transmission disk. A docking locking frame is provided inside the mating rod. A limiting ring frame is provided on the outer surface of the docking locking frame. A connecting rod is provided on one side of the limiting ring frame. The other end of the connecting rod is hinged to the outer surface of the connecting rod.

[0012] The hydraulic column seat has a fixed seat on its side, and a steering shaft tube is provided on the upper end of the fixed seat. An air chamber is provided inside the steering shaft tube. A first air pump and a second air pump are respectively provided on both sides of the steering shaft tube. A slider is slidably connected inside the air chamber. A T-shaped air hole is provided inside the slider. Pressure valves are provided on both sides of the inner wall of the T-shaped air hole. A support rod is slidably connected to the bottom of the T-shaped air hole. An insertion hole is opened at the bottom of the steering shaft tube.

[0013] This vehicle steering assembly not only provides shock absorption and cushioning, but also helps improve vehicle steering stability and ease of operation. When the vehicle falls into a ditch and the tires become stuck, the air pressure helps to support and limit the tires from the ditch for an extended period of time. When the vehicle falls into a ditch and the tires are suspended in the air, the air pressure helps to drive the struts to support the ground, thereby lifting the vehicle and reducing the difficulty of rescue.

[0014] Specifically, the lower end of the mounting positioning rod is provided with a limiting support frame, the lower end of the limiting support frame is provided with a hydraulic column seat, the side of the limiting support frame away from the hydraulic column seat is provided with a limiting connecting plate, the upper center of the driven control device is provided with a sleeve, the driven control device is hinged to the limiting connecting plate through the sleeve, and the driven control device is positioned and controlled between the limiting connecting plates; all structures cooperate with each other to achieve protection and limiting.

[0015] Specifically, the reversing control device includes a drive rod, which is fixedly connected to the top of the inner end of the reversing control device. The lower end of the drive rod is provided with a toothed frame, and the upper end of the toothed frame is provided with a matching toothed sleeve. A coupling is provided at the front end of the matching toothed sleeve, and a docking transmission rod is provided at the front end of the coupling. A positioning disc is sleeved on the lower end of the toothed frame, and a transmission sleeve is sleeved on the lower end of the positioning disc. A drive sleeve is symmetrically provided with the transmission sleeve about the reversing control device. A combination plate is provided on the section of the transmission sleeve, and a positioning disc is provided on the combination plate. The reversing control device further improves the stability and efficiency of reversing.

[0016] Specifically, the bottom of the toothed frame is provided with a top bevel gear disk, the lower end of which is meshed with a bottom bevel gear disk, and the side end of the bottom bevel gear disk is provided with a power rotating rod. A bearing ring is rotatably connected to the drive sleeve, and a second mating ring is provided at the upper end of the bearing ring. A second reversing shaft is provided at the upper end of the second mating ring, and a first reversing shaft is inserted into the upper end of the second reversing shaft. A first mating ring is provided at the top of the first reversing shaft. The first reversing shaft and the second reversing shaft cooperate to achieve a transmission function.

[0017] Specifically, the power rotating rod and the bottom bevel gear disk are symmetrically arranged, and the bottom of the bearing ring is provided with a symmetrically arranged top bevel gear disk. The symmetrically arranged top bevel gear disk and the symmetrically arranged bottom bevel gear disk are meshed and connected; the synchronous cooperation improves the transmission effect.

[0018] Specifically, the power rotating rod has a fourth docking ring on its side end, a fourth reversing shaft on the fourth docking ring, a third reversing shaft inserted into the center limit of the fourth reversing shaft, a third docking ring on its side end, and a docking piece on its side end. The docking pieces are symmetrically arranged and fixedly connected to each other. The cooperation between the third and fourth reversing shafts improves the transmission effect.

[0019] Specifically, the control transmission disk is fixedly installed on one side of the inner end of the driven control device. A first buffer column is elastically connected to the upper part of the side end of the control transmission disk, and a second buffer column is elastically connected to the lower part of the side end of the control transmission disk. The side ends of the first and second buffer columns are fixedly connected to the top and bottom of the cooperating rod. The first and second buffer columns are used to buffer the longitudinal position of the control transmission disk. The cooperation of the first and second buffer columns improves the shock absorption and buffering effect in the vertical direction.

[0020] Specifically, the center of the limiting ring frame is fitted with a docking force transmission frame, the docking transmission rod is hinged to the docking force transmission frame, and the connecting guide rod and the mating rod are arranged in parallel; this arrangement improves transmission stability.

[0021] Specifically, one end of the slider facing away from each other is provided with a telescopic buffer shaft, and the other end of the telescopic buffer shaft passes through the steering shaft tube and is provided with an adapter nesting frame. The adapter nesting frame is hinged to the connecting shaft guide rod for limiting; thus, the stability of the connecting shaft guide rod transmission is improved by means of the adapter nesting frame.

[0022] Specifically, the pressure valve has a maximum opening pressure value, the air outlets of the first and second air pumps are directly opposite the mating rod, the top of the support rod is provided with a connecting spring, the top of the connecting spring is fixedly connected to the inner top of the T-shaped air hole, the support rod matches the insertion hole, and the width of the slider is greater than half the width of the air chamber; this setting improves the stability and support when the support rod passes through the insertion hole and is supported by the ground.

[0023] The beneficial effects of this invention are:

[0024] 1. This invention, through the structural design of the mounting positioning rod, enables the limiting installation of the limiting support frame, and the hydraulic column seat enables the limiting and buffering operation of the driven control device. The limiting support frame is equipped with a limiting connecting plate, which facilitates the limiting support of the driven control device. The driven control device can be limited and oscillated on the limiting connecting plate. The structural design of the reversing control device enables the driving of the driven control device, thereby realizing the conversion of power and helping to achieve efficient steering control.

[0025] 2. The present invention enables drive transmission through the structural design of the first docking ring, and transmits steering force through the docking transmission rod, thus facilitating efficient force transmission. At the same time, through combination, it enables rapid steering force control.

[0026] 3. Through the structural arrangement of the first and second air pumps, this invention enables the vehicle steering assembly to be simple to operate, stable, and efficient. It not only adjusts the damping force on the steering assembly according to different vehicle speeds, thereby improving vehicle safety and stability, but also provides wind-powered cooling and impurity removal for the steering and braking assemblies, resulting in higher cooling efficiency and better cleaning. Furthermore, when one tire falls into a ditch, the system can adaptively adjust the friction and pressure between the tire and the ditch based on the tire's condition, ensuring rapid tire detachment. Additionally, it utilizes a strut and lowering rod for temporary support, improving the tire's lifting and detachment effectiveness. Attached Figure Description

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0028] Figure 1 This is a three-dimensional structural diagram of the main body from a frontal perspective in this invention;

[0029] Figure 2 This is a split view of the main body of the present invention;

[0030] Figure 3 This is a three-dimensional structural diagram of the commutation control device from the front view in this invention;

[0031] Figure 4 This is an exploded view of the commutation control device in this invention;

[0032] Figure 5 In this invention Figure 4 Enlarged view of point A;

[0033] Figure 6 In this invention Figure 4 Enlarged view of point B;

[0034] Figure 7 This is a three-dimensional structural diagram of the driven control device from a frontal perspective in this invention;

[0035] Figure 8 This is a three-dimensional structural diagram of the driven control device from the rear view in this invention;

[0036] Figure 9 This is a cross-sectional view of the second embodiment of the hydraulic column seat in this invention;

[0037] Figure 10 for Figure 8 Bottom view.

[0038] In the diagram: 1. Reversing control device; 2. Driven control device; 3. Mounting positioning rod; 4. Limiting bearing frame; 5. Hydraulic column seat; 6. Limiting connecting plate; 7. Drive rod; 8. Drive sleeve; 9. Docking transmission rod; 10. Combination plate; 11. Transmission sleeve; 12. Positioning plate; 13. Coupling; 14. Gear frame; 15. Adaptive gear sleeve; 16. Power rotating rod; 17. Bottom bevel gear plate; 18. Top bevel gear plate; 19. First docking ring; 20. First reversing shaft; 21. Second reversing shaft; 22. Second docking ring; 23. Bearing ring; 24. Docking piece; 25. Third docking ring. 26. Third reversing shaft; 27. Fourth reversing shaft; 28. Fourth docking ring; 29. ​​First buffer column; 30. Adjustment transmission plate; 31. Second buffer column; 32. Connecting guide rod; 33. Matching rod; 34. Docking force transmission frame; 35. Limiting ring frame; 36. Docking locking frame; 37. Fixed seat; 38. Steering shaft tube; 39. Telescopic buffer shaft; 40. Adaptive nesting frame; 41. Connecting rod; 42. First air pump; 43. Second air pump; 44. Air chamber; 45. Slider; 46. T-shaped air hole; 47. Pressure valve; 48. Insertion hole; 49. Support rod; 50. Connecting spring. Detailed Implementation

[0039] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0040] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0041] The invention will be further described below with reference to the accompanying drawings.

[0042] Example 1

[0043] like Figure 1-9 As shown, a modular independent steering axle-specific vehicle steering assembly of the present invention includes a mounting positioning rod 3, a limiting support frame 4, a hydraulic column seat 5, and a limiting connecting plate 6. The lower end of the mounting positioning rod 3 is provided with the limiting support frame 4, and the lower end of the limiting support frame 4 is provided with the hydraulic column seat 5. The limiting support frame 4 is provided with the limiting connecting plate 6 on the side opposite to the hydraulic column seat 5. The rear end of the limiting connecting plate 6 is movably connected to a driven control device 2. The rear end of the driven control device 2 is limited and driven to a reversing control device 1. The driven control device 2 realizes the steering function, and the reversing control device 1 realizes the driving function.

[0044] The reversing control device 1 includes a drive rod 7, which is fixedly connected to the top of the inner end of the reversing control device 1. The lower end of the drive rod 7 is provided with a toothed frame 14, the upper end of the toothed frame 14 is provided with an adapter toothed sleeve 15, the front end of the adapter toothed sleeve 15 is provided with a coupling 13, the front end of the coupling 13 is provided with a docking transmission rod 9, the lower end of the toothed frame 14 is sleeved with a positioning plate 12, the lower end of the positioning plate 12 is sleeved with a transmission sleeve 11, the transmission sleeve 11 is symmetrically provided with a drive sleeve 8 about the reversing control device 1, the section of the transmission sleeve 11 is provided with a combination plate 10, the combination plate 10 is provided with a positioning plate 12. The drive sleeve 8, the transmission sleeve 11, and the combination plate 10 help to protect the bottom position of the reversing control device 1. The drive rod 7 rotates with the toothed frame 14. When the toothed frame 14 rotates, it can drive the adapter toothed sleeve 15 to rotate. When the adapter toothed sleeve 15 rotates, it can drive the coupling 13 to rotate, thereby enabling the docking transmission rod 9 to perform adjustment and control work.

[0045] The bottom of the toothed frame 14 is provided with a top bevel gear disk 18, and the lower end of the top bevel gear disk 18 is meshed with a bottom bevel gear disk 17. The side end of the bottom bevel gear disk 17 is provided with a power rotating rod 16. The top bevel gear disk 18 can drive the bottom bevel gear disk 17 to rotate. The power rotating rod 16 can rotate together with the bottom bevel gear disk 17. A bearing ring 23 is rotatably connected to the drive sleeve 8. The upper end of the bearing ring 23 is provided with a second docking ring 22. The upper end of the second docking ring 22 is provided with a second reversing shaft 21. The upper end of the second reversing shaft 21 is inserted with a first reversing shaft 20. The top of the first reversing shaft 20 is provided with a first docking ring 19. The first docking ring 19 can drive the second docking ring 22 to rotate and adjust through the first reversing shaft 20 and the second reversing shaft 21. When the second docking ring 22 rotates, it can drive the bearing ring 23 to follow and perform rotation adjustment.

[0046] The power rotating rod 16 and the bottom bevel gear disk 17 are symmetrically arranged. The bottom of the bearing ring 23 is provided with a symmetrically arranged top bevel gear disk 18, which meshes with the symmetrically arranged bottom bevel gear disk 17.

[0047] The power rotating rod 16 has a fourth docking ring 28 on its side end, and a fourth reversing shaft 27 on the fourth docking ring 28. A third reversing shaft 26 is inserted into the center limit of the fourth reversing shaft 27. A third docking ring 25 is provided on the side end of the third reversing shaft 26, and a docking piece 24 is provided on the side end of the third docking ring 25. The docking pieces 24 are symmetrically arranged and fixedly connected to each other. When the docking pieces 24 rotate, they can drive the third docking ring 25 to rotate and adjust. When the third docking ring 25 rotates, it can drive the third reversing shaft 26 to follow and adjust. The third reversing shaft 26 can drive the fourth reversing shaft 27 to perform driven adjustment, thereby enabling the fourth docking ring 28 to perform adjustment and control work.

[0048] The driven control device 2 includes a control transmission disk 30, and a mating rod 33 is provided between the control transmission disks 30. The control transmission disk 30 is fixedly installed on one side of the inner end of the driven control device 2. A first buffer post 29 is elastically connected to the upper part of the side end of the control transmission disk 30, and a second buffer post 31 is elastically connected to the lower part of the side end of the control transmission disk 30. The side ends of the first buffer post 29 and the second buffer post 31 are fixedly connected to the top and bottom of the mating rod 33. A connecting guide rod 32 is provided at the front end of the center of the mating rod 33. The two ends of the connecting guide rod 32 are hinged to the inner wall of the control transmission disk 30. Therefore, when the connecting guide rod 32 rotates, it synchronously drives the control transmission disk 30 to rotate around the first buffer post 29 and the second buffer post 31.

[0049] The mating rod 33 is provided with a docking locking frame 36. The lower end of the docking locking frame 36 is provided with a limiting ring frame 35. One side of the limiting ring frame 35 is provided with a connecting rod 41. The other end of the connecting rod 41 is hinged to the outer surface of the connecting shaft guide rod 32. The center of the limiting ring frame 35 is fitted with a docking force transmission frame 34. The docking transmission rod 9 is hinged to the docking force transmission frame 34. The docking force transmission frame 34 is connected to the connecting rod 41 through the limiting ring frame 35 and the docking locking frame 36. The connecting shaft guide rod 32 and the mating rod 33 are arranged in parallel to strengthen the connection strength in the lateral position. The regulating transmission disk 30 can be buffered and adjusted through the first buffer column 29 and the second buffer column 31. The connecting shaft guide rod 32 and the mating rod 33 can drive the regulating transmission disk 30 to perform steering adjustment.

[0050] The driven control device 2 has a sleeve at its upper center. The driven control device 2 is hinged to the limiting plate 6 through the sleeve. The driven control device 2 is positioned and controlled between the limiting plates 6. The docking transmission rod 9 is fixedly connected to the docking force transmission frame 34. The docking transmission rod 9 drives the limiting ring frame 35 and the docking locking frame 36 to operate and adjust through the docking force transmission frame 34. The first buffer column 29 and the second buffer column 31 are used to buffer the longitudinal position of the control disk 30. The connecting rod 32 and the mating rod 33 are arranged in parallel. The connecting rod 32 and the mating rod 33 drive the control disk 30 to rotate and adjust.

[0051] The hydraulic column seat 5 has a fixed seat 37 on its side end. The upper end of the fixed seat 37 is hinged to a steering shaft tube 38. The steering shaft tube 38 has an air chamber 44 inside. The air chamber 44 has a slider 45 slidably connected inside. The slider 45 has a telescopic buffer shaft 39 at one end facing away from each other. The other end of the telescopic buffer shaft 39 passes through the steering shaft tube 38 and is provided with an adapter nesting frame 40. The adapter nesting frame 40 is limited and fixedly set with the connecting shaft guide rod 32.

[0052] The fixed seat 37 is connected to the steering shaft tube 38, which can control the extension and retraction adjustment of the telescopic buffer shaft 39. The telescopic buffer shaft 39 is fixed to the adapter nesting frame 40, and the adapter nesting frame 40 is connected to the connecting shaft guide rod 32. When the connecting shaft guide rod 32 turns, the telescopic buffer shaft 39 and the adapter nesting frame 40 absorb excess stress and help to perform lateral vibration reduction.

[0053] In use, the reversing control device 1, driven control device 2, mounting positioning rod 3, limit bearing frame 4, hydraulic column seat 5, and limit connecting plate 6 are assembled as a whole. The mounting positioning rod 3, hydraulic column seat 5, and limit connecting plate 6 are connected and fixed to the vehicle body through the mounting positioning rod 3. The driven control device 2 and the limit connecting plate 6 are equipped with sleeves, which can help the driven control device 2 rotate at the upper limit of the limit connecting plate 6 to realize the steering control work.

[0054] First, the user drives the first docking ring 19 to rotate. When the first docking ring 19 rotates, it drives the first reversing shaft 20 to rotate as well, which causes the connected second reversing shaft 21 to adjust. This adjusts the second docking ring 22, causing the second docking ring 22 and the bearing ring 23 to rotate and adjust. When the bearing ring 23 rotates, it drives the symmetrically arranged top bevel gear disk 18 to rotate, which in turn causes the symmetrically arranged power rotating rod 16 and bottom bevel gear disk 17 to rotate as well.

[0055] Then, the docking plate 24 and the third docking ring 25 are driven to rotate. The third docking ring 25 drives the third reversing shaft 26 to rotate. Then, the fourth reversing shaft 27 drives the fourth docking ring 28 to rotate. When the fourth docking ring 28 rotates, it drives the power rotating rod 16 and the bottom bevel gear disk 17 to rotate, thereby realizing the driving motion of the top bevel gear disk 18.

[0056] When the top bevel gear 18 rotates, it drives the gear frame 14 to rotate. When the gear frame 14 rotates, it drives the matching gear sleeve 15 to rotate as well, causing the coupling 13 fixed on the matching gear sleeve 15 to rotate as well. This allows the docking transfer rod 9 to rotate and be adjusted. The coupling 13 is fixed to the matching gear sleeve 15, and the gear frame 14 and the matching gear sleeve 15 are limited. When the gear frame 14 rotates, it can drive the matching gear sleeve 15 to rotate, thereby causing the coupling 13 to rotate through the matching gear sleeve 15. Then, the docking transfer rod 9 can be pulled by the coupling 13 to swing and be adjusted.

[0057] At this time, the docking transmission rod 9 is fixedly connected to the docking force transmission frame 34. When the docking transmission rod 9 swings, it can synchronously pull the docking force transmission frame 34 to rotate. The docking force transmission frame 34 can drive the limiting ring frame 35 to rotate. The limiting ring frame 35 can limit the rotation at the center of the docking locking frame 36, and synchronously drive the connecting rod 41 fixed on the limiting ring frame 35 to move laterally. When the connecting rod 41 moves laterally, it drives the adjustment transmission disks 30 on both sides to rotate around the first buffer column 29 and the second buffer column 31, so that the adjustment transmission disks 30 on both sides follow the adjustment and achieve the purpose of direction adjustment. With the cooperation rod 33, the limiting plate 6 is set by the sleeve, so that the driven control device 2 can rotate and adjust within the limiting plate 6.

[0058] When the connecting rod 41 moves, the stretching adapter nesting frame 40 moves synchronously. The adapter nesting frame 40 drives the telescopic buffer shaft 39 to move, and the telescopic buffer shaft 39 drives the slider 45 to move laterally inside the air chamber 44, thereby achieving buffering of the movement of the connecting rod 41 and improving the stability and efficiency of the movement of the connecting rod 41.

[0059] Finally, the rotation of the control transmission disk 30 can drive the wheel to adjust. The setting of the first buffer column 29 and the second buffer column 31 helps to perform longitudinal position shock absorption work and complete the work.

[0060] Example 2

[0061] Based on the description in Example 1, when actually steering the vehicle, if the vehicle is traveling at high speed, the driver will cause the vehicle steering assembly to rotate a large range when turning the steering wheel, which will cause safety issues in vehicle driving. Furthermore, when one tire of the vehicle falls into a ditch and becomes stuck in the ditch, the driver cannot turn the tire by simply turning the steering wheel and causing the vehicle steering assembly to rotate, which makes it difficult to get out and results in low efficiency in getting out of trouble. When one tire of the vehicle falls into the ditch and is suspended in the air, the connecting rod 33 supports the side wall of the ditch, so no matter how the tire is turned, it cannot get out of the ditch, which increases the difficulty of rescue for the operator.

[0062] To solve the above problems, the vehicle steering assembly for the modular independent steering axle also includes: a first air pump 42 and a second air pump 43 are respectively provided on both sides of the steering shaft tube 38. The air outlets of the first air pump 42 and the second air pump 43 are directly opposite the mating rod 33. The first air pump 42 and the second air pump 43 respectively supply air to both sides of the air chamber 44, so the air pressure on both sides of the slider 45 changes continuously. When the first air pump 42 and the second air pump 43 exhaust air, they cool and clean the mating rod 33 with wind power.

[0063] The slider 45 has a T-shaped air hole 46 inside. Pressure valves 47 are installed on both inner walls of the T-shaped air hole 46. Each pressure valve 47 has a maximum opening pressure value. When the air pressure inside the air chamber 44 exceeds the maximum opening pressure value set by the pressure valve 47, the pressure valve 47 opens, allowing gas from the air chamber 44 to flow into the T-shaped air hole 46. A support rod 49 is slidably connected to the bottom of the T-shaped air hole 46. A insertion hole 48 is opened at the bottom of the steering shaft tube 38. A connecting spring 50 is installed at the top of the support rod 49. The top of the spring 50 is fixedly connected to the inner top of the T-shaped air hole 46. The support rod 49 matches the insertion hole 48. When the air pressure inside the T-shaped air hole 46 increases, it drives the support rod 49 to stretch and connect the spring 50 downward. The support rod 49 moves along the insertion hole 48 and supports the ground. With the support force of the support rod 49, the fixed seat 37 and the matching rod 33 move upward. Then, the matching rod 33 supports and lifts the vehicle, making it easier to detach the matching rod 33 from the edge support of the trench, thus improving the speed and convenience of subsequent vehicle rescue.

[0064] The width of slider 45 is greater than half the width of air chamber 44. This design ensures that when slider 45 moves inside air chamber 44, slider 45 can block insertion hole 48 at all times, preventing gas inside air chamber 44 from escaping through insertion hole 48 and causing air pressure changes. At the same time, when slider 45 is located at the center of air chamber 44, support rod 49 matches insertion hole 48, and support rod 49 can be discharged through insertion hole 48 to temporarily support and lift the vehicle.

[0065] When the vehicle is in actual use, the driver turns the steering wheel and drives the first docking ring 19 to rotate. When the first docking ring 19 rotates, it drives the first reversing shaft 20 to rotate as well, which in turn causes the connected second reversing shaft 21 to adjust. This adjusts the second docking ring 22 and drives the second docking ring 22 and bearing ring 23 to rotate. When the bearing ring 23 rotates, it drives the symmetrically arranged top bevel gear disk 18 to rotate, which in turn causes the symmetrically arranged power rotating rod 16 and bottom bevel gear disk 17 to rotate as well.

[0066] Subsequently, the docking plate 24 and the third docking ring 25 are rotated. The third docking ring 25 drives the third reversing shaft 26 to rotate, which in turn drives the fourth docking ring 28 to rotate via the fourth reversing shaft 27. When the fourth docking ring 28 rotates, it drives the power rotating rod 16 and the bottom bevel gear disk 17 to rotate, thereby realizing the driving motion of the top bevel gear disk 18. When the top bevel gear disk 18 rotates, it drives the gear frame 14 to rotate. When the gear frame 14 rotates, it drives the adapter gear sleeve 15 to rotate, causing the coupling 13 fixed on the adapter gear sleeve 15 to rotate as well. The coupling 13 drives the docking transmission rod 9 to rotate and adjust. 9. The limiting ring frame 35 is rotated by the connecting force transmission frame 34, the limiting ring frame 35 drives the connecting rod 41 to rotate, the connecting rod 41 drives the connecting shaft guide rod 32 to move laterally, and the connecting shaft guide rod 32 drives the telescopic buffer shaft 39 to move laterally through the adapter nesting frame 40. The telescopic buffer shaft 39 drives the slider 45 to move laterally inside the air chamber 44. The air pressure inside the air chamber 44 applies resistance to the movement of the slider 45, thereby ensuring the stability and efficiency of the movement of the slider 45. Then, the lateral movement of the connecting shaft guide rod 32 drives the control transmission disk 30 to rotate around the first buffer column 29 and the second buffer column 31, thereby realizing that the control transmission disk 30 drives the tire to rotate.

[0067] As the vehicle speed increases, the resistance to the steering assembly driven by the driver should increase accordingly, thereby improving the safety and stability of the vehicle. At this time, the first air pump 42 and the second air pump 43 are activated and gas is introduced into the air chamber 44. The air pressure inside the air chamber 44 increases continuously, and the damping force on both sides of the slider 45 increases continuously. The resistance to the slider 45 moving inside the air chamber 44 increases continuously, further increasing the damping force of the connecting rod 32 driving the control transmission disk 30 to rotate, thereby ensuring the stability and efficiency of the vehicle at high speed.

[0068] When the vehicle gradually decreases in speed from high speed to low speed, braking is required. As the temperature of the brake disc increases, the steering damping force needs to be reduced accordingly. The first air pump 42 and the second air pump 43 start in opposite directions and discharge the gas inside the air chamber 44. Since the discharged gas is directed towards the mating rod 33, the gas is guided by the mating rod 33 to flow to the steering assembly and brake disc. This effectively cools and removes impurities from the vehicle's special assembly and braking system, improving the vehicle's stability and safety and preventing damage during driving.

[0069] Simultaneously, when one tire of the vehicle falls into the ditch and becomes stuck against the inner wall of the ditch, if the driver directly turns the steering wheel in the opposite direction, the vehicle's steering assembly will cause the tire to become stuck against the inner wall of the ditch, which can easily cause damage to the vehicle's steering assembly and reduce vehicle safety. In this case, gas can be introduced into the air chamber 44. Specifically, in this embodiment, the first air pump 42 is started and gas is introduced into the air chamber 44. The air pressure at the end of the slider 45 near the first air pump 42 continuously increases, and the slider 45 moves towards the end of the second air pump 43 inside the air chamber 44. The slider 45 drives the adapter nesting frame 40 through the telescopic buffer shaft 39, which in turn drives the connecting... The guide rod 32 moves laterally, causing the control transmission disc 30 to rotate around the first buffer post 29 and the second buffer post 31 and to make squeezing contact with the sidewall of the groove, thereby increasing the friction between the tire and the groove. This further enhances the vehicle's separation effect by coordinating with the vehicle's movement. During this process, the various transmission structures inside the reversing control device 1 and the driven control device 2 are not tightly engaged, and the squeezing contact friction between the control transmission disc 30 and the sidewall of the groove is controlled by the air pressure regulation inside the air chamber 44, further improving the vehicle's separation efficiency and separation effect, and avoiding damage to the vehicle steering assembly.

[0070] When one tire of the vehicle falls into the ditch, and the ditch diameter is larger than the tire diameter, the tire can rotate freely inside the ditch but cannot squeeze or rub against the sidewall of the ditch. Simultaneously, the connecting rod 33 supports the sidewall of the ditch. At this point, no matter how the vehicle is started, it cannot detach from the ditch because the tire on that side is suspended in the air. Therefore, the driver should first straighten the steering wheel, so that the slider 45 is located in the center of the air chamber 44, and the support rod 49 matches the insertion hole 48. At the same time, the first air pump 42 and the second air pump 43 start and continuously supply gas into the air chamber 44, causing the air pressure inside the air chamber 44 to continuously increase. When the air pressure inside the air chamber 44 exceeds the pressure opening value of the pressure valve 47, the pressure valve 47 opens, and the gas inside the air chamber 44 continuously enters the T-shaped air hole 46. As the air pressure inside the air vent 46 continuously increases, this pressure causes the support rod 49 to stretch and connect to the spring 50, moving downwards. As the support rod 49 moves downwards, it extends along the insertion hole 48 and contacts the ground. Meanwhile, the first air pump 42 and the second air pump 43 continue to operate. Through action and reaction forces, the support rod 49 drives the steering shaft tube 38 upwards. The steering shaft tube 38, via the fixed seat 37, drives the mating rod 33 upwards. The mating rod 33 then moves the vehicle upwards, disengaging it from the sidewall of the ditch. The mating rod 33 also disengages from the ground, causing the tire to rise inside the ditch. At this point, placing hard materials such as bricks under the tire improves its grip. With the mating rod 33 disengaging from the sidewall of the ditch, the vehicle is started, and the tire completely detaches from the ditch, thus completing the rescue.

[0071] After the vehicle is freed, the first air pump 42 and the second air pump 43 start in opposite directions and expel the gas inside the air chamber 44. The gas then faces the mating rod 33 and performs wind-powered cleaning of the mating rod 33, effectively improving the cleanliness of the mating rod 33 and preventing the mating rod 33 from being squeezed and supported by the side wall of the groove, which would cause blockage and damage to its structure and outer surface, thus improving the safety and stability of the vehicle.

[0072] This vehicle steering assembly is simple to operate, stable, and efficient. It can adjust the damping force of the steering assembly according to different vehicle speeds, thereby improving the safety and stability of the vehicle. At the same time, it can also use airflow to cool and remove impurities from the steering assembly and braking assembly, resulting in higher cooling efficiency and better cleaning. When one tire of the vehicle falls into a ditch, it can also adaptively adjust the friction and compression force between the tire and the ditch according to the tire condition, ensuring that the tire is quickly separated from the ditch. It can also use the support rod 49 and the temporary support rod 33 to improve the tire lifting and removal effect.

[0073] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vehicle steering assembly dedicated for a modular independent rear suspension (MIRS) vehicle, comprising: The installation positioning rod, the limiting bearing frame, the hydraulic column base and the limiting connecting plate are arranged, the rear end of the limiting connecting plate is movably connected with the driven control device, and the rear end of the driven control device is drivingly connected with the reversing control device; The driven control device comprises two groups of control transmission discs, and a cooperation rod is arranged between the control transmission discs; a connecting shaft guide rod is arranged at the front end of the center of the cooperation rod; the two ends of the connecting shaft guide rod are hingedly connected with the inner walls of the control transmission discs; a butt joint locking frame is arranged in the cooperation rod; a limiting ring frame is arranged on the outer surface of the butt joint locking frame; a connecting rod is arranged on one side of the limiting ring frame; and the other end of the connecting rod is hingedly connected with the outer surface of the connecting shaft guide rod. The side end of the hydraulic column base is provided with a fixing seat, the upper end of the fixing seat is provided with a steering shaft tube, the inside of the steering shaft tube is provided with an air cavity, the two sides of the steering shaft tube are respectively provided with a first air pump and a second air pump, the inside of the air cavity is slidingly connected with a sliding block, the inside of the sliding block is provided with a T-shaped air hole, the inner walls of the two sides of the T-shaped air hole are both provided with pressure valves, the bottom of the T-shaped air hole is slidingly connected with a supporting rod, the bottom of the steering shaft tube is provided with a plug-in hole, the pressure valves are provided with maximum opening pressure values, the top of the supporting rod is provided with a connecting spring, the top of the connecting spring is fixedly connected with the inner top of the T-shaped air hole, the supporting rod is matched with the plug-in hole, the width value of the sliding block is greater than half of the width value of the air cavity, when the air pressure inside the T-shaped air hole increases, the supporting rod stretches the connecting spring to move downward, the supporting rod moves along the plug-in hole and supports the ground, the supporting force of the supporting rod makes the fixing seat and the cooperation rod move upward, and the cooperation rod supports and lifts the vehicle; The reversing control device comprises a driving rod, the driving rod is fixedly connected with the inner end top of the reversing control device, the lower end of the driving rod is provided with a toothed frame, the upper end of the toothed frame is provided with an adaptive gear sleeve, the front end of the adaptive gear sleeve is provided with a coupling, the front end of the coupling is provided with a butt joint transmission rod, the lower end of the toothed frame is sleeved with a positioning disc, the lower end of the positioning disc is sleeved with a transmission sheath, the transmission sheath is symmetrically provided with a driving sheath about the reversing control device, the transmission sheath is provided with a combination plate, and the combination plate is provided with a positioning disc; the bottom of the toothed frame is provided with a top bevel gear, the lower end of the top bevel gear is meshingly connected with a bottom bevel gear, the side end of the bottom bevel gear is provided with a power rotating rod, the driving sheath is rotatably connected with a bearing ring, the upper end of the bearing ring is provided with a second butt joint ring, the upper end of the second butt joint ring is provided with a second reversing shaft, the upper end of the second reversing shaft is plugged with a first reversing shaft, and the top of the first reversing shaft is provided with a first butt joint ring.

2. A vehicle steering assembly for a modular independent-axle vehicle as defined in claim 1, characterized in that: The lower end of the installation positioning rod is provided with the limiting bearing frame, the lower end of the limiting bearing frame is provided with the hydraulic column base, one side of the limiting bearing frame away from the hydraulic column base is provided with the limiting connecting plate, the center upper end of the driven control device is provided with a sleeve piece, the driven control device is limitingly hingedly arranged with the limiting connecting plate through the sleeve piece, and the driven control device is limitingly and controllably arranged between the limiting connecting plates.

3. A vehicle steering assembly for a modular independent axle, according to claim 2, characterized in that: The power rotating rod and the bottom bevel gear are symmetrically arranged, the bottom of the bearing ring is provided with symmetrically arranged top bevel gears, and the symmetrically arranged top bevel gears are meshingly connected with the symmetrically arranged bottom bevel gears.

4. A vehicle steering assembly for a modular independent axle, according to claim 3, characterized in that: The side end of the power rotating rod is provided with a fourth connecting ring, the fourth connecting ring is provided with a fourth reversing shaft, the center of the fourth reversing shaft is limitedly inserted with a third reversing shaft, the side end of the third reversing shaft is provided with a third connecting ring, the side end of the third connecting ring is provided with a connecting piece, the connecting pieces are symmetrically arranged and fixedly connected with each other.

5. A vehicle steering assembly for a modular independent axle, according to claim 4, characterized in that: The control transmission disc is fixedly arranged at the inner end side of the driven control device, the upper part of the side end of the control transmission disc is elastically connected with a first buffer column, the lower part of the side end of the control transmission disc is elastically connected with a second buffer column, the side end of the first buffer column and the second buffer column is fixedly connected with the top and bottom of the matching rod, and the first buffer column and the second buffer column are used for buffering the longitudinal position of the control transmission disc.

6. A vehicle steering assembly for a modular independent axle, according to claim 5, characterized in that: The center of the limiting ring frame is limitedly sleeved with a connecting transmission frame, the connecting transmission rod and the connecting transmission frame are hingedly connected with each other, the connecting shaft guide rod and the matching rod are arranged in parallel.

7. A vehicle steering assembly for a modular independent axle, according to claim 6, characterized in that: The mutually opposite ends of the sliding blocks are provided with telescopic buffer shafts, the other ends of the telescopic buffer shafts pass through the steering shaft tube and are provided with adaptive nesting frames, and the adaptive nesting frames are limitedly hingedly connected with the connecting shaft guide rod.

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