A high-reliability double-redundant intelligent steering control device

Abstract

The application provides a high-reliability double-redundancy intelligent steering control device, and relates to the technical field of steering control devices, which comprises a branch pipe, one end of the branch pipe is provided with a limiting mechanism, the limiting mechanism comprises a top plate, the bottom of the top plate is fixedly connected with a protective shell, and the inner wall of the branch pipe is rotationally connected with a shaft rod. In the application, the hydraulic rod drives the limiting rod to pass through the curved hole and enter the inner wall of the limiting pipe, so that limiting is formed at this time. When people control the rotation of the steering wheel to drive the gear to rotate, the inner wall of one side of the curved hole is in contact with the outer surface of the limiting rod, limiting is formed through the limiting rod at this time, so that the gear cannot rotate, the shaft rod cannot continue to rotate, the rotation angle of the steering wheel is limited, and the steering range of the vehicle is reduced. When the speed is lower than the limiting value, the hydraulic rod drives the limiting rod to be taken out from the inside of the curved hole at this time, and the steering range of the steering wheel can be improved.

Description

Technical Field

[0001] This invention relates to the field of steering control device technology, and in particular to a highly reliable dual-redundant intelligent steering control device. Background Technology

[0002] However, in existing technologies, the steering control devices assist in turning the steering wheel based on the angle of rotation, thereby reducing the force required. These devices consist of a steering wheel, steering column, steering gear, electronic unit, electric motor, universal joint, torque sensor, and reduction mechanism. The auxiliary power source is typically located at the electric motor, working in conjunction with the torque sensor, electronic unit, electric motor, and reduction mechanism. However, in high-speed applications, the steering range of a vehicle is limited, and existing technologies cannot provide limits. If the steering range exceeds this range, the vehicle is prone to rollover, potentially resulting in fatalities. Therefore, a highly reliable, dual-redundant intelligent steering control device is needed to limit the vehicle's steering at high speeds. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of the prior art, which cannot provide a limit, making it easy for the vehicle's steering range to exceed this range, thus causing the vehicle to roll over.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a highly reliable dual-redundant intelligent steering control device, comprising a branch pipe, one end of which is provided with a limiting mechanism, the limiting mechanism including a top plate, a protective shell fixedly connected to the bottom of the top plate, a shaft rotatably connected to the inner wall of the branch pipe, the outer surface of the shaft being provided with multiple teeth, a base plate fixedly connected to the bottom of the protective shell, a rotating rod rotatably connected to the top of the base plate, a gear fixedly sleeved on the outer surface of the rotating rod, a curved hole being opened at the top of the gear, a hydraulic rod fixedly provided at the top of the top plate, the output end of the hydraulic rod fixedly extending to the bottom of the top plate, a limiting rod fixedly connected to the output end of the hydraulic rod, multiple teeth meshing with the gear, the inner wall of the top plate rotatably connected to the outer surface of the shaft, the inner wall of the protective shell rotatably connected to the outer surfaces of multiple gears, the inner wall of the base plate rotatably connected to the outer surface of the shaft, the bottom of the base plate fixedly connected to the top of the branch pipe, and an auxiliary mechanism provided at the top of the top plate.

[0005] In a preferred embodiment, two protective pads are fixedly embedded in the inner wall of the curved hole, and the outer surface of the limiting rod is slidably connected to the inner wall of the curved hole.

[0006] The beneficial effect of adopting the above-mentioned further solution is that the protective pad can provide protection and reduce the impact force of the limit rod on the gear.

[0007] In a preferred embodiment, a speed sensor is fixedly installed on the top of the top plate, and the speed sensor is electrically connected to the hydraulic rod.

[0008] In a preferred embodiment, a fixing tube is fixedly connected to the bottom of the top plate, the inner wall of the fixing tube is slidably connected to the outer surface of the limiting rod, the inner wall of the fixing tube is slidably connected to the outer surface of the output end of the hydraulic rod, and multiple mounting holes are provided on the top of the bottom plate.

[0009] Furthermore, a limiting tube is fixedly connected to the top of the base plate, and the inner wall of the limiting tube is slidably connected to the outer surface of the limiting rod.

[0010] The beneficial effects of adopting the above-mentioned further solution are: the structure of the limiting rod can be made more stable by using the limiting tube and the fixing tube. After the limiting rod enters the interior of the limiting tube, the limiting rod is limited by the fixing tube and the limiting tube, thereby increasing the structural stability of the limiting rod.

[0011] In a preferred embodiment, the auxiliary mechanism includes a torque sensor disposed on the outer surface of the shaft. Two fixing plates are fixedly connected to the outer surface of the torque sensor. The outer surface of the torque sensor is fixedly connected to the top end of the branch pipe. A mounting base is fixedly connected to the top of the top plate. A motor is fixedly connected to the top of the mounting base. A worm gear is fixedly connected to the output end of the motor. A rotating hole is opened on the top of the top plate. A rotating rod is rotatably connected to the inner wall of the rotating hole. A turbine is fixedly connected to the outer surface of the rotating rod.

[0012] The beneficial effect of adopting the above-mentioned further solution is that the motor can be better supported by the mounting bracket, thereby increasing the structural stability of the equipment.

[0013] In a preferred embodiment, the bottom end of the rotating rod is fixedly connected to the top end of the rotating rod, the worm gear is meshed with the turbine, and the torque sensor is electrically connected to the motor.

[0014] The advantages of adopting the above-mentioned further solution are: the motor can be better positioned by using a worm gear and a turbine, making the motor position more stable and reducing the space required.

[0015] In a preferred embodiment, a support plate is fixedly connected to the top of the top plate, and a connecting rod is rotatably connected to one side of the support plate. One end of the connecting rod is fixedly connected to one end of the worm gear.

[0016] The beneficial effect of adopting the above-mentioned further solution is that the worm gear is supported by the support plate and connecting rod, thereby increasing the structural stability of the worm gear.

[0017] In a preferred embodiment, a mounting plate is fixedly connected to the top of the top plate, and a groove is provided between the top of the mounting plate and the bottom of the turbine. Multiple rotating balls are slidably connected between the inner walls of the two grooves.

[0018] The beneficial effects of adopting the above-mentioned further solution are: the rotating ball is limited by the groove between the mounting plate and the turbine, and the rotating ball provides limiting support between the mounting plate and the turbine, thereby reducing the wear force on the bottom of the turbine and reducing the wear of the turbine.

[0019] Compared with the prior art, the advantages and positive effects of the present invention are as follows:

[0020] 1. In this invention, the hydraulic rod drives the limiting rod through the curved hole and into the inner wall of the limiting tube, thus forming a limit. When the steering wheel is turned to drive the gear to rotate, when one side of the inner wall of the curved hole contacts the outer surface of the limiting rod, the limiting rod forms a limit, preventing the gear from rotating and thus preventing the shaft from rotating further. This limits the rotation angle of the steering wheel and reduces the steering radius of the vehicle. When the speed is lower than the limit value, the hydraulic rod will drive the limiting rod to be removed from the inside of the curved hole, and the steering radius of the steering wheel can then be increased.

[0021] 2. In this invention, in order to further improve the steering capability of the vehicle's steering control device, when the axle rotates, the torque sensor drives the motor to rotate the gear. The rotation of the gear drives the axle to rotate through the teeth, thereby creating an auxiliary effect and making it easier to operate. Furthermore, when the limiting mechanism is in place, the angle of the motor's rotation is also limited, thereby reducing the motor's rotation amplitude to match the limit value of the limiting mechanism. That is, the maximum amplitude of the gear's rotation when the curved hole contacts the limiting rod is the maximum amplitude that the motor can drive the gear to rotate. Attached Figure Description

[0022] Figure 1 A perspective view of a highly reliable dual-redundant intelligent steering control device is presented for this invention;

[0023] Figure 2 A partial three-dimensional view of a highly reliable dual-redundant intelligent steering control device proposed in this invention;

[0024] Figure 3 A perspective view of a highly reliable dual-redundant intelligent steering control device is presented for this invention;

[0025] Figure 4A bottom-view perspective view of a highly reliable dual-redundant intelligent steering control device proposed in this invention;

[0026] Figure 5 A three-dimensional cross-sectional view of a highly reliable dual-redundant intelligent steering control device is presented in this invention.

[0027] Figure 6 This invention presents a cross-sectional exploded view of a highly reliable dual-redundant intelligent steering control device.

[0028] Legend:

[0029] 1. Branch pipe; 2. Limiting mechanism; 3. Auxiliary mechanism; 4. Shaft;

[0030] 21. Top plate; 22. Protective shell; 23. Bottom plate; 24. Mounting hole; 25. Tooth; 26. Rotating rod; 27. Gear; 28. Curved hole; 29. ​​Protective pad; 210. Fixing tube; 211. Limiting tube; 212. Hydraulic rod; 213. Limiting rod; 214. Speed ​​sensor;

[0031] 31. Torque sensor; 32. Fixing plate; 33. Mounting base; 34. Motor; 35. Worm gear; 36. Support plate; 37. Connecting rod; 38. Rotary hole; 39. Rotating rod; 310. Turbine; 311. Mounting plate; 312. Slide groove; 313. Rotating ball. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0033] Example 1

[0034] like Figure 1-6As shown, the present invention provides a technical solution: a highly reliable dual-redundant intelligent steering control device, including a branch pipe 1, a limiting mechanism 2 at one end of the branch pipe 1, the limiting mechanism 2 including a top plate 21, a protective shell 22 fixedly connected to the bottom of the top plate 21, a shaft 4 rotatably connected to the inner wall of the branch pipe 1, a plurality of teeth 25 provided on the outer surface of the shaft 4, a base plate 23 fixedly connected to the bottom of the protective shell 22, a rotating rod 26 rotatably connected to the top of the base plate 23, a gear 27 fixedly sleeved on the outer surface of the rotating rod 26, and a toothed opening on the top of the gear 27. A curved surface 28 is provided. A hydraulic rod 212 is fixedly installed on the top of the top plate 21. The output end of the hydraulic rod 212 is fixedly extended to the bottom of the top plate 21. A limit rod 213 is fixedly connected to the output end of the hydraulic rod 212. Multiple teeth 25 are meshed with gears 27. The inner wall of the top plate 21 is rotatably connected to the outer surface of the shaft 4. The inner wall of the protective shell 22 is rotatably connected to the outer surface of the multiple gears 27. The inner wall of the bottom plate 23 is rotatably connected to the outer surface of the shaft 4. The bottom of the bottom plate 23 is fixedly connected to the top of the branch pipe 1. The top of the top plate 21 is provided with... An auxiliary mechanism 3 is provided. Two protective pads 29 are fixedly embedded in the inner wall of the curved hole 28. The outer surface of the limiting rod 213 is slidably connected to the inner wall of the curved hole 28. The protective pads 29 can provide protection and reduce the impact force of the limiting rod 213 on the gear 27. A speed sensor 214 is fixedly installed on the top of the top plate 21. The speed sensor 214 is electrically connected to the hydraulic rod 212. A fixing tube 210 is fixedly connected to the bottom of the top plate 21. The inner wall of the fixing tube 210 is slidably connected to the outer surface of the limiting rod 213. The bottom plate 23 has multiple mounting holes 24 on its top, which are slidably connected to the outer surface of the output end of the hydraulic rod 212. A limit tube 211 is fixedly connected to the top of the bottom plate 23. The inner wall of the limit tube 211 is slidably connected to the outer surface of the limit rod 213. The limit tube 211 and the fixed tube 210 can make the structure of the limit rod 213 more stable. When the limit rod 213 enters the interior of the limit tube 211, the fixed tube 210 and the limit tube 211 limit the limit rod 213, thereby increasing the structural stability of the limit rod 213.

[0035] In this embodiment, during use, the speed sensor 214 monitors the vehicle speed. When the vehicle speed reaches or exceeds the limit value, the hydraulic rod 212 drives the limit rod 213 to move. The limit rod 213 passes through the curved hole 28 and enters the inner wall of the limit tube 211, thus forming a limit. At this time, when the person controls the steering wheel to turn, the steering wheel rotation drives the shaft 4 to rotate, the shaft 4 rotation drives the tooth 25 to rotate, the tooth 25 rotation drives the gear 27 to rotate, and the gear 27 rotation drives the curved hole 28 to rotate. Inside the 8, there is a limiting rod 213. When the curved surface 28 rotates to a certain angle, one side of the inner wall of the curved surface 28 contacts the outer surface of the limiting rod 213. At this time, the limiting rod 213 forms a limit, which prevents the gear 27 from rotating, and thus prevents the shaft 4 from continuing to rotate, thereby limiting the rotation angle of the steering wheel and reducing the steering amplitude of the vehicle. When the speed is lower than the limit value, the hydraulic rod 212 will drive the limiting rod 213 to be removed from the inside of the curved surface 28, and the steering wheel can then increase the steering amplitude.

[0036] Example 2

[0037] like Figure 1-6 As shown, the auxiliary mechanism 3 includes a torque sensor 31 mounted on the outer surface of the shaft 4. Two fixing plates 32 are fixedly connected to the outer surface of the torque sensor 31. The outer surface of the torque sensor 31 is fixedly connected to the top end of the branch pipe 1. A mounting base 33 is fixedly connected to the top of the top plate 21. A motor 34 is fixedly connected to the top of the mounting base 33. A worm gear 35 is fixedly connected to the output end of the motor 34. A rotating hole 38 is opened on the top of the top plate 21. A rotating rod 39 is rotatably connected to the inner wall of the rotating hole 38. A turbine 310 is fixedly connected to the outer surface of the rotating rod 39. The mounting base 33 can better support the motor 34 and increase the structural stability of the equipment. The bottom end of the rotating rod 39 is fixedly connected to the top end of the rotating rod 26. The worm gear 35 and the turbine 310 are meshed together. The torque sensor 31 and the motor 34 are connected to each other. The components are electrically connected. A support plate 36 is fixedly connected to the top of the top plate 21. A connecting rod 37 is rotatably connected to one side of the support plate 36. One end of the connecting rod 37 is fixedly connected to one end of the worm gear 35. The support plate 36 and the connecting rod 37 support the worm gear 35, increasing the structural stability of the worm gear 35. A mounting plate 311 is fixedly connected to the top of the top plate 21. A sliding groove 312 is provided between the top of the mounting plate 311 and the bottom of the turbine 310. Multiple rotating balls 313 are slidably connected between the inner walls of the two sliding grooves 312. The rotating balls 313 are limited by the sliding grooves 312 between the mounting plate 311 and the turbine 310, and the rotating balls 313 provide limiting support between the mounting plate 311 and the turbine 310, thereby reducing the wear force on the bottom of the turbine 310 and reducing the wear of the turbine 310.

[0038] In this embodiment, to further enhance the steering capability of the vehicle's steering control device during use, when the shaft 4 rotates, the torque sensor 31 converts the physical change in torque into a precise electrical signal. The motor 34 then controls the worm gear 35 to rotate according to the electrical signal. The rotation of the worm gear 35 drives the turbine 310 to rotate, which in turn drives the rotating rod 39 to rotate. The rotating rod 39 then drives the rotating rod 26 to rotate, which in turn drives the gear 27 to rotate. The rotation of the gear 27, through the teeth 25, drives the shaft 4 to rotate, thus creating an auxiliary effect and making it easier to operate. Furthermore, when the limiting mechanism 2 limits the rotation, the angle of rotation of the motor 34 is also limited, thereby reducing the rotation amplitude of the motor 34 to match the limit value of the limiting mechanism 2. That is, the maximum rotation amplitude of the gear 27 when the curved surface 28 contacts the limiting rod 213 is the maximum rotation amplitude that the motor 34 can drive the gear 27 to rotate.

[0039] Working principle:

[0040] like Figure 1-6 As shown, during use, the speed sensor 214 monitors the vehicle speed. When the vehicle speed reaches or exceeds the limit value, the hydraulic rod 212 drives the limit rod 213 to move. The limit rod 213 passes through the curved hole 28 and enters the inner wall of the limit tube 211, thus forming a limit. At this time, when the person controls the steering wheel to turn, the steering wheel rotation drives the shaft 4 to rotate, the shaft 4 rotation drives the gear 25 to rotate, the gear 25 rotation drives the gear 27 to rotate, and the gear 27 rotation drives the curved hole 28 to rotate. The curved hole 28 has a limit rod 213 inside for limiting. When the curved hole 28 rotates to a certain angle, one side of the inner wall of the curved hole 28 contacts the outer surface of the limit rod 213. At this time, the limit rod 213 forms a limit, thus preventing the gear 27 from rotating, and consequently preventing the shaft 4 from rotating. Continued rotation limits the steering wheel's rotation angle, thus reducing the vehicle's steering amplitude. When the speed falls below the limit value, the hydraulic rod 212 will drive the limit rod 213 to be removed from the curved hole 28, allowing the steering wheel to increase its steering amplitude. In use, to further enhance the steering capability of the vehicle's steering control device, when the shaft 4 rotates, the torque sensor 31 converts the physical change in torque into a precise electrical signal. The motor 34 then controls the worm gear 35 to rotate based on the electrical signal. The rotation of the worm gear 35 drives the turbine 310 to rotate, which in turn drives the rotating rod 39 to rotate. The rotating rod 39 then drives the rotating rod 26 to rotate, which in turn drives the gear 27 to rotate. The rotation of the gear 27, through the teeth 25, drives the shaft 4 to rotate, thus creating an auxiliary effect and making it easier to operate.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. A highly reliable dual-redundant intelligent steering control device, comprising a branch pipe (1), characterized in that: One end of the branch pipe (1) is provided with a limiting mechanism (2), the limiting mechanism (2) includes a top plate (21), the bottom of the top plate (21) is fixedly connected to a protective shell (22), the inner wall of the branch pipe (1) is rotatably connected to a shaft (4), the outer surface of the shaft (4) is provided with multiple teeth (25), the bottom of the protective shell (22) is fixedly connected to a bottom plate (23), the top of the bottom plate (23) is rotatably connected to a rotating rod (26), the outer surface of the rotating rod (26) is fixedly fitted with a gear (27), the top of the gear (27) is provided with a curved hole (28), and the top of the top plate (21) is fixedly provided with a hydraulic system. The output end of the hydraulic rod (212) is fixedly connected to the bottom of the top plate (21), and the output end of the hydraulic rod (212) is fixedly connected to the limit rod (213). Multiple teeth (25) are meshed with gears (27). The inner wall of the top plate (21) is rotatably connected to the outer surface of the shaft (4). The inner wall of the protective shell (22) is rotatably connected to the outer surface of multiple gears (27). The inner wall of the bottom plate (23) is rotatably connected to the outer surface of the shaft (4). The bottom of the bottom plate (23) is fixedly connected to the top of the branch pipe (1). An auxiliary mechanism (3) is provided on the top of the top plate (21). The auxiliary mechanism (3) includes a torque sensor (31) disposed on the outer surface of the shaft (4). Two fixing plates (32) are fixedly connected to the outer surface of the torque sensor (31). The outer surface of the torque sensor (31) is fixedly connected to the top end of the branch pipe (1). A mounting base (33) is fixedly connected to the top of the top plate (21). A motor (34) is fixedly connected to the top of the mounting base (33). A worm gear (35) is fixedly connected to the output end of the motor (34). A rotating hole (38) is opened on the top of the top plate (21). A rotating rod (39) is rotatably connected to the inner wall of the rotating hole (38). A turbine (310) is fixedly connected to the outer surface of the rotating rod (39). The bottom end of the rotating rod (39) is fixedly connected to the top end of the rotating rod (26), the worm (35) is meshed with the turbine (310), and the torque sensor (31) is electrically connected to the motor (34).

2. The highly reliable dual-redundant intelligent steering control device according to claim 1, characterized in that: Two pads (29) are fixedly embedded in the inner wall of the curved hole (28), and the outer surface of the limiting rod (213) is slidably connected to the inner wall of the curved hole (28).

3. The highly reliable dual-redundant intelligent steering control device according to claim 1, characterized in that: A speed sensor (214) is fixedly installed on the top of the top plate (21), and the speed sensor (214) is electrically connected to the hydraulic rod (212).

4. The highly reliable dual-redundant intelligent steering control device according to claim 1, characterized in that: The bottom of the top plate (21) is fixedly connected to a fixing tube (210). The inner wall of the fixing tube (210) is slidably connected to the outer surface of the limiting rod (213). The inner wall of the fixing tube (210) is slidably connected to the outer surface of the output end of the hydraulic rod (212). The top of the bottom plate (23) is provided with multiple mounting holes (24).

5. The highly reliable dual-redundant intelligent steering control device according to claim 1, characterized in that: The top of the base plate (23) is fixedly connected to a limiting tube (211), and the inner wall of the limiting tube (211) is slidably connected to the outer surface of the limiting rod (213).

6. The highly reliable dual-redundant intelligent steering control device according to claim 1, characterized in that: A support plate (36) is fixedly connected to the top of the top plate (21), and a connecting rod (37) is rotatably connected to one side of the support plate (36). One end of the connecting rod (37) is fixedly connected to one end of the worm gear (35).

7. The highly reliable dual-redundant intelligent steering control device according to claim 1, characterized in that: The top of the top plate (21) is fixedly connected to the mounting plate (311), and a groove (312) is provided between the top of the mounting plate (311) and the bottom of the turbine (310). Multiple rotating balls (313) are slidably connected between the inner walls of the two grooves (312).

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