Overwater driving system and method of amphibious all-terrain vehicle

Abstract

The invention relates to the technical field of amphibious all-terrain vehicles, in particular to an on-water driving system and method of an amphibious all-terrain vehicle. The on-water driving system comprises a steering wheel operating mechanism, an on-water steering mechanism, an electronic pedal, a VCU and an on-water power mechanism; the VCU outputs a required torque value to the overwater power mechanism according to an accelerator opening interval and a water-driven and electric-driven external characteristic curve, overwater driving is achieved through the overwater power mechanism, when steering is needed, a user operates the steering wheel operating mechanism, a steering wheel rotates to send a steering signal to the angle sensor, and the angle sensor is driven to rotate. The water-pushing steering controller collects control signals sent by the angle sensor and controls the overwater rotating mechanism to operate, the overwater rotating mechanism changes the left water flow rate and the right water flow rate of the water outlet cavity, and overwater steering is completed. According to the technical scheme, the structure is simple, the occupied space in a vehicle is small, cost is low, installation is convenient and fast, and the requirements of most amphibious vehicle types can be met.

Description

Technical Field

[0001] The present invention relates to the technical field of amphibious all-terrain vehicles, and in particular to a water driving system and method for an amphibious all-terrain vehicle. Background Art

[0002] Amphibious all-terrain vehicles (ATVs) are specialized equipment that combine the characteristics of vehicles and boats. They can navigate complex roads and water, boasting strong maneuverability and adaptability. Therefore, they are widely valued and used in special rescue operations, particularly in specialized fields.

[0003] Currently, most amphibious vehicles use outboard engines as their power source for water travel, are equipped with nozzle thrusters to achieve water drive, and use the steering tube at the tail of the nozzle thrusters to achieve water steering; or are equipped with two propellers to achieve water drive, and use the speed difference between the two propellers to achieve water steering. Their structures are complex, their integration is not high, their control strategies are complex, their costs are high, their steering efficiency is low, and their maneuverability in water driving is poor. Summary of the Invention

[0004] The purpose of the present invention is to provide a water drive system and method for an amphibious all-terrain vehicle, so as to solve the problems of the water drive system of amphibious vehicles in the prior art, such as complex structure, low integration, complex control strategy, high cost, low steering efficiency and poor maneuverability in water driving.

[0005] To achieve the above objectives, the present invention provides a water drive system for an amphibious all-terrain vehicle, the water drive system comprising a steering wheel operating mechanism, a water steering mechanism, an electronic pedal, a VCU, and a water power mechanism, wherein the steering wheel operating mechanism is electrically connected to the water steering mechanism via a first vehicle wiring harness, the electronic pedal is electrically connected to the water power mechanism via a second vehicle wiring harness, the acquisition end of the VCU is electrically connected to the electronic pedal, and the output end of the VCU is electrically connected to the water power mechanism; The steering wheel operating mechanism is provided with an angle sensor, the above-water rotating mechanism is provided with a water-thrust steering controller, and the angle sensor is electrically connected to the water-thrust steering controller.

[0006] Among them, the water steering mechanism includes a water-thrust steering motor, a transmission assembly, a steering rudder plate upper mounting seat, a steering rudder plate lower mounting seat, a mounting shaft and a steering rudder plate body. The mounting shaft is rotatably arranged between the steering rudder plate upper mounting seat and the steering rudder plate lower mounting seat. The steering rudder plate body is arranged on the mounting shaft. The water-thrust steering motor is electrically connected to the water-thrust steering controller, and the output end of the water-thrust steering motor is mechanically transmitted to the mounting shaft through the transmission assembly.

[0007] Among them, the transmission assembly includes a first steering paddle, a transverse tie rod and a second steering paddle. The first steering paddle and the second steering paddle are respectively provided at both ends of the transverse tie rod. The first steering paddle is connected to the output end of the water-propelled steering motor through a nut, and the second steering paddle is connected to the mounting shaft through a nut.

[0008] Among them, a first rotating bearing is provided on the mounting seat on the steering rudder plate, the mounting shaft passes through the first rotating bearing, a first sealing ring is provided at the first rotating bearing, a bushing is provided at the mounting seat under the steering rudder plate, and the end of the mounting shaft away from the second steering paddle is embedded in the interior of the bushing.

[0009] Among them, the water power mechanism includes a water thrust drive motor, a shaft tube, a universal cross shaft, a sliding fork, an external spline and a propeller assembly. The water thrust drive motor is electrically connected to the VCU. The output end of the water thrust drive motor is provided with the shaft tube. The end of the shaft tube away from the water thrust drive motor is connected to the sliding fork through the universal cross shaft, and the sliding fork is connected to the propeller assembly through the external spline.

[0010] In which, the propeller assembly includes a propeller mounting shaft, a propeller mounting seat, a propeller mounting sleeve, a propeller body, a propeller bushing and a locking nut. The propeller mounting shaft is connected to the external spline, and the propeller mounting seat, the propeller mounting sleeve, the propeller body, the propeller bushing and the locking nut are sequentially installed on the end of the propeller mounting shaft away from the external spline. A cotter pin is provided on the side wall of the end of the propeller mounting shaft away from the external spline.

[0011] Wherein, second rotating bearings are provided at both ends of the propeller mounting seat, and second sealing rings are provided on opposite sides of the two second rotating bearings.

[0012] Wherein, the steering wheel operating mechanism is also provided with a steering wheel angle adjuster and a steering wheel return torsion spring.

[0013] The present invention also provides a method for driving an amphibious all-terrain vehicle on water, which is applied to the water driving system of the amphibious all-terrain vehicle as described above, and comprises the following steps: The user steps on the electronic pedal, and the VCU collects the signal of the electronic pedal; The VCU outputs a required torque value to the water power mechanism according to the throttle opening range and the water propulsion electric drive external characteristic curve, and realizes water driving through the water power mechanism; When steering is required, the user operates the steering wheel operating mechanism, and the steering wheel rotates so that the angle sensor sends a steering signal; The water propulsion steering controller collects the control signal sent by the angle sensor to control the operation of the water rotating mechanism. The water rotating mechanism changes the left and right water flow rates of the water outlet chamber to complete the water steering.

[0014] The present invention provides a water driving system and method for an amphibious all-terrain vehicle. The user steps on the electronic pedal and uses the VCU to collect the signal of the electronic pedal. The VCU outputs the required torque value to the water power mechanism according to the throttle opening range and the water propulsion electric drive external characteristic curve. Water driving is achieved through the water power mechanism. When turning is required, the user operates the steering wheel operating mechanism, and the steering wheel rotation causes the angle sensor to send a steering signal. The water propulsion steering controller collects the control signal sent by the angle sensor to control the operation of the water rotation mechanism. The water rotation mechanism changes the left and right water flow rates of the water outlet chamber to complete water steering. The technical solution has a simple structure, occupies little space in the vehicle, is low in cost, and is easy to install. It can meet the needs of most amphibious vehicle models, and the water driving control strategy in the technical solution is simple, stable, reliable, and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a structural schematic diagram of the water drive system of the amphibious all-terrain vehicle provided by the present invention.

[0017] Figure 2 It is a structural schematic diagram of the steering wheel operating mechanism provided by the present invention.

[0018] Figure 3 It is a schematic diagram of the partially disassembled structure of the water steering mechanism provided by the present invention.

[0019] Figure 4 It is a partial structural diagram of the water steering mechanism provided by the present invention.

[0020] Figure 5 It is a structural schematic diagram of the shaft tube provided by the present invention.

[0021] Figure 6 It is a schematic diagram of the disassembled structure of the propeller assembly provided by the present invention.

[0022] Figure 7 It is a flow chart of the steps of the water driving method of the amphibious all-terrain vehicle provided by the present invention.

[0023] 101-steering wheel operating mechanism, 102-electronic pedal, 103-VCU, 104-first vehicle wiring harness, 105-second vehicle wiring harness, 106-angle sensor, 107-hydraulic steering controller, 108-hydraulic steering motor, 109-steering rudder plate mounting seat, 110-steering rudder plate lower mounting seat, 111-mounting shaft, 112-steering rudder plate body, 113-first steering paddle, 114-tie rod, 115-second steering paddle, 116-first rotating bearing, 117- First sealing ring, 118-bushing, 119-water propulsion drive motor, 120-shaft tube, 121-universal cross shaft, 122-sliding fork, 123-external spline, 124-propeller mounting shaft, 125-propeller mounting seat, 126-propeller mounting sleeve, 127-propeller body, 128-propeller bushing, 129-locking nut, 130-cotter pin, 131-second rotating bearing, 132-second sealing ring, 133-steering wheel angle adjuster, 134-steering wheel return torsion spring. DETAILED DESCRIPTION

[0024] The following describes embodiments of the present invention in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and are not to be construed as limiting the present invention.

[0025] See also Figures 1 to 6 The present invention provides a water driving system for an amphibious all-terrain vehicle, the water driving system comprising a steering wheel operating mechanism 101, a water steering mechanism, an electronic pedal 102, a VCU 103, and a water power mechanism. The steering wheel operating mechanism 101 is electrically connected to the water steering mechanism via a first vehicle wiring harness 104, the electronic pedal 102 is electrically connected to the water power mechanism via a second vehicle wiring harness 105, the acquisition end of the VCU 103 is electrically connected to the electronic pedal 102, and the output end of the VCU 103 is electrically connected to the water power mechanism. The steering wheel operating mechanism 101 is provided with an angle sensor 106 , and the water-borne rotating mechanism is provided with a water-propulsion steering controller 107 . The angle sensor 106 is electrically connected to the water-propulsion steering controller 107 .

[0026] In this embodiment, the user steps on the electronic pedal 102, and the VCU 103 is used to collect the signal of the electronic pedal 102. The VCU 103 outputs the required torque value to the water power mechanism according to the throttle opening range and the water propulsion electric drive external characteristic curve, and water drive is realized by the water power mechanism. When turning is required, the user operates the steering wheel operating mechanism 101, and the steering wheel rotation sends a steering signal to the angle sensor 106. The water propulsion steering controller 107 collects the control signal sent by the angle sensor 106 to control the operation of the water rotation mechanism. The water rotation mechanism changes the left and right water flow rate of the water outlet chamber to complete the water steering. The technical solution has a simple structure, occupies little space in the vehicle, is low in cost, and is easy to install. It can meet the needs of most amphibious vehicle models, and the water driving control strategy in this technical solution is simple, stable, reliable, and practical.

[0027] Furthermore, the water steering mechanism includes a water-thrust steering motor 108, a transmission assembly, a steering rudder plate upper mounting seat 109, a steering rudder plate lower mounting seat 110, a mounting shaft 111 and a steering rudder plate body 112. The mounting shaft 111 is rotatably arranged between the steering rudder plate upper mounting seat 109 and the steering rudder plate lower mounting seat 110. The steering rudder plate body 112 is arranged on the mounting shaft 111. The water-thrust steering motor 108 is electrically connected to the water-thrust steering controller 107. The output end of the water-thrust steering motor 108 is mechanically transmitted to the mounting shaft 111 through the transmission assembly.

[0028] In this embodiment, the water-propelled steering motor 108 drives the mounting shaft 111 to rotate between the steering rudder plate upper mounting seat 109 and the steering rudder plate lower mounting seat 110 through the transmission assembly, thereby driving the steering rudder plate body 112 to change the left and right water flow rate of the water outlet chamber to complete the water steering.

[0029] Furthermore, the transmission assembly includes a first steering paddle 113, a transverse tie rod 114 and a second steering paddle 115. The first steering paddle 113 and the second steering paddle 115 are respectively provided at both ends of the transverse tie rod 114. The first steering paddle 113 is connected to the output end of the water-propelled steering motor 108 through a nut, and the second steering paddle 115 is connected to the mounting shaft 111 through a nut.

[0030] In this embodiment, the installation of the tie rod 114 is completed by setting the first steering paddle 113 and the second steering paddle 115. When the water-driven steering motor 108 is driven, the installation shaft 111 is driven to rotate by the tie rod 114.

[0031] Furthermore, a first rotating bearing 116 is provided on the steering rudder plate upper mounting seat 109, the mounting shaft 111 passes through the first rotating bearing 116, a first sealing ring 117 is provided at the first rotating bearing 116, and a bushing 118 is provided at the steering rudder plate lower mounting seat 110, and the end of the mounting shaft 111 away from the second steering paddle 115 is embedded in the interior of the bushing 118.

[0032] In this embodiment, the provision of the first rotating bearing 116 allows the mounting shaft 111 to rotate more smoothly at the mounting seat 109 on the steering rudder plate. The provision of the first sealing ring 117 prevents the first rotating bearing 116 from being exposed to the external environment, thereby improving the service life of the first rotating bearing 116.

[0033] Furthermore, the water power mechanism includes a water thrust drive motor 119, a shaft tube 120, a universal cross shaft 121, a sliding fork 122, an external spline 123 and a propeller assembly. The water thrust drive motor 119 is electrically connected to the VCU 103. The output end of the water thrust drive motor 119 is provided with the shaft tube 120. The end of the shaft tube 120 away from the water thrust drive motor 119 is connected to the sliding fork 122 through the universal cross shaft 121, and the sliding fork 122 is connected to the propeller assembly through the external spline 123.

[0034] Furthermore, the propeller assembly includes a propeller mounting shaft 124, a propeller mounting seat 125, a propeller mounting sleeve 126, a propeller body 127, a propeller bushing 128 and a locking nut 129. The propeller mounting shaft 124 is connected to the external spline 123, and the propeller mounting seat 125, the propeller mounting sleeve 126, the propeller body 127, the propeller bushing 128 and the locking nut 129 are sequentially installed on the end of the propeller mounting shaft 124 away from the external spline 123. A cotter pin 130 is provided on the side wall of the end of the propeller mounting shaft 124 away from the external spline 123.

[0035] Furthermore, a second rotation bearing 131 is provided at both ends of the propeller mounting seat 125 , and a second sealing ring 132 is provided on opposite sides of the two second rotation bearings 131 .

[0036] In this embodiment, the provision of the second rotating bearing 131 allows the propeller mounting shaft 124 and the propeller mounting sleeve 126 to rotate more smoothly when rotating inside the propeller mounting seat 125. The provision of the second sealing ring 132 prevents the second rotating bearing 131 from being exposed to the external environment, which would affect the service life of the second rotating bearing 131.

[0037] Furthermore, the steering wheel operating mechanism 101 is also provided with a steering wheel angle adjuster 133 and a steering wheel return torsion spring 134 .

[0038] In this embodiment, by setting the steering wheel angle adjuster 133, the driver can adjust the height and front and rear position of the steering wheel according to his or her height, body shape and driving habits to achieve the best driving posture. By setting the steering wheel return torsion spring 134, the steering wheel return function is realized, and at the same time it plays a buffering role, reducing the vibration and impact of the driver when operating the steering wheel.

[0039] See also Figure 7 The present invention also provides a method for driving an amphibious all-terrain vehicle on water, which is applied to the water driving system of the amphibious all-terrain vehicle as described above, and comprises the following steps: The user steps on the electronic pedal 102 , and the VCU 103 collects the signal of the electronic pedal 102 ; The VCU 103 outputs a required torque value to the water power mechanism according to the throttle opening range and the water propulsion electric drive external characteristic curve, and realizes water driving through the water power mechanism; When turning is required, the user operates the steering wheel operating mechanism 101, and the steering wheel rotates so that the angle sensor 106 sends a turning signal; The water propulsion steering controller 107 collects the control signal sent by the angle sensor 106 to control the operation of the water rotating mechanism. The water rotating mechanism changes the left and right water flow rates of the water outlet chamber to complete the water steering.

[0040] In this embodiment, the user steps on the electronic pedal 102, and the VCU 103 is used to collect the signal of the electronic pedal 102. The VCU 103 outputs the required torque value to the water power mechanism according to the throttle opening range and the water propulsion electric drive external characteristic curve, and water drive is realized by the water power mechanism. When turning is required, the user operates the steering wheel operating mechanism 101, and the steering wheel rotation sends a steering signal to the angle sensor 106. The water propulsion steering controller 107 collects the control signal sent by the angle sensor 106 to control the operation of the water rotation mechanism. The water rotation mechanism changes the left and right water flow rate of the water outlet chamber to complete the water steering. The technical solution has a simple structure, occupies little space in the vehicle, is low in cost, and is easy to install. It can meet the needs of most amphibious vehicle models, and the water driving control strategy in this technical solution is simple, stable, reliable, and practical.

[0041] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of the rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the invention.

Claims

1. A water driving system for an amphibious all-terrain vehicle, characterized in that: The vehicle comprises a steering wheel operating mechanism, a water steering mechanism, an electronic pedal, a VCU and a water power mechanism, wherein the steering wheel operating mechanism is electrically connected to the water steering mechanism via a first vehicle wiring harness, the electronic pedal is electrically connected to the water power mechanism via a second vehicle wiring harness, the acquisition end of the VCU is electrically connected to the electronic pedal, and the output end of the VCU is electrically connected to the water power mechanism; The steering wheel operating mechanism is provided with an angle sensor, the above-water rotating mechanism is provided with a water-thrust steering controller, and the angle sensor is electrically connected to the water-thrust steering controller.

2. The water driving system of the amphibious all-terrain vehicle according to claim 1, characterized in that: The water steering mechanism includes a water-thrust steering motor, a transmission assembly, a steering rudder plate upper mounting seat, a steering rudder plate lower mounting seat, a mounting shaft and a steering rudder plate body. The mounting shaft is rotatably arranged between the steering rudder plate upper mounting seat and the steering rudder plate lower mounting seat. The steering rudder plate body is arranged on the mounting shaft. The water-thrust steering motor is electrically connected to the water-thrust steering controller. The output end of the water-thrust steering motor is mechanically transmitted to the mounting shaft through the transmission assembly.

3. The water driving system of the amphibious all-terrain vehicle according to claim 2, characterized in that: The transmission assembly includes a first steering paddle, a transverse tie rod and a second steering paddle. The first steering paddle and the second steering paddle are respectively provided at both ends of the transverse tie rod. The first steering paddle is connected to the output end of the water-propelled steering motor through a nut, and the second steering paddle is connected to the mounting shaft through a nut.

4. The water driving system for an amphibious all-terrain vehicle according to claim 3, wherein: A first rotating bearing is provided on the mounting seat on the steering rudder plate, the mounting shaft passes through the first rotating bearing, a first sealing ring is provided at the first rotating bearing, a bushing is provided at the mounting seat under the steering rudder plate, and the end of the mounting shaft away from the second steering paddle is embedded in the interior of the bushing.

5. The water driving system for an amphibious all-terrain vehicle according to claim 4, characterized in that: The water power mechanism includes a water thrust drive motor, a shaft tube, a universal cross shaft, a sliding fork, an external spline and a propeller assembly. The water thrust drive motor is electrically connected to the VCU. The output end of the water thrust drive motor is provided with the shaft tube. The end of the shaft tube away from the water thrust drive motor is connected to the sliding fork through the universal cross shaft, and the sliding fork is connected to the propeller assembly through the external spline.

6. The water driving system for an amphibious all-terrain vehicle according to claim 5, wherein: The propeller assembly includes a propeller mounting shaft, a propeller mounting seat, a propeller mounting sleeve, a propeller body, a propeller bushing and a locking nut. The propeller mounting shaft is connected to the external spline. The propeller mounting seat, the propeller mounting sleeve, the propeller body, the propeller bushing and the locking nut are sequentially installed on the end of the propeller mounting shaft away from the external spline. A cotter pin is provided on the side wall of the end of the propeller mounting shaft away from the external spline.

7. The water driving system for an amphibious all-terrain vehicle according to claim 6, wherein: Second rotary bearings are provided at both ends of the propeller mounting seat, and second sealing rings are provided on opposite sides of the two second rotary bearings.

8. The water driving system for an amphibious all-terrain vehicle according to claim 7, wherein: The steering wheel operating mechanism is also provided with a steering wheel angle adjuster and a steering wheel return torsion spring.

9. A method for driving an amphibious all-terrain vehicle on water, applied to the water driving system of the amphibious all-terrain vehicle according to claim 1, characterized in that: The steps include: The user steps on the electronic pedal, and the VCU collects a signal from the electronic pedal; The VCU outputs a required torque value to the water power mechanism according to the throttle opening range and the water propulsion electric drive external characteristic curve, and realizes water driving through the water power mechanism; When steering is required, the user operates the steering wheel operating mechanism, and the steering wheel rotates so that the angle sensor sends a steering signal; The water propulsion steering controller collects the control signal sent by the angle sensor to control the operation of the water rotating mechanism. The water rotating mechanism changes the left and right water flow rates of the water outlet chamber to complete the water steering.

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