Automobile practical training platform with pivot steering demonstration function

Abstract

The utility model provides an automobile practical training platform with a pivot steering demonstration function. The automobile practical training platform comprises a steering wheel, a transmission mechanism, a transmission case, a left wheel, a right wheel and an automobile body bottom plate, the transmission mechanism comprises a hydraulic motor, the steering wheel is connected with the hydraulic motor so as to control the hydraulic motor to rotate clockwise or anticlockwise through steering, the hydraulic motor is connected with the transmission box, and the transmission box is connected with the left wheel and the right wheel. The steering wheel is driven by the hydraulic motor to control the left wheel and the right wheel to rotate in opposite directions through the transmission case, the steering wheel, the transmission mechanism, the left wheel and the right wheel are all installed on the vehicle body bottom plate, and shells of the vehicle body bottom plate and the transmission case are transparent; the practical training platform is convenient to operate, can visually display the cooperation of each transmission system, and is convenient for trainees to understand vehicle principle knowledge.

Description

Technical Field

[0001] This application relates to the field of automotive demonstration equipment technology, and in particular to an automotive training platform with a stationary turning demonstration function. Background Technology

[0002] Vehicle technology training and teaching institutions have limited training methods for vehicle stationary steering power transmission and working principles. Most of them rely on existing paper-based theoretical materials for training. However, the structure of the vehicle stationary steering system is closed, and trainees cannot intuitively see the operating status of each module in the stationary steering system, the power transmission relationship, etc., which makes it difficult to understand vehicle technology training. Utility Model Content

[0003] In view of this, the purpose of this application is to propose an automotive training platform with a stationary steering demonstration function, so as to solve the problem that trainees cannot intuitively see the operating status and transmission relationship of each module in the steering system.

[0004] To achieve the above objectives, this application provides a car training platform with a stationary turning demonstration function, comprising: a steering wheel, a transmission mechanism, a transmission box, a left wheel, a right wheel, and a vehicle chassis; the transmission mechanism includes a hydraulic motor, the steering wheel is connected to the hydraulic motor to control the hydraulic motor to rotate clockwise or counterclockwise by steering, the hydraulic motor is connected to the transmission box, and the transmission box is connected to the left wheel and the right wheel to control the left wheel and the right wheel to rotate in opposite directions under the drive of the hydraulic motor, the transmission box controls the left wheel and the right wheel to rotate in opposite directions respectively, the steering wheel, the transmission mechanism, the left wheel and the right wheel are all mounted on the vehicle chassis, and the vehicle chassis and the outer shell of the transmission box are transparent.

[0005] Optionally, the transmission mechanism further includes a cable, a high-pressure oil pipe, a variable displacement pump, and a hydraulic oil tank. The steering wheel is connected to the cable, the cable is connected to the variable displacement pump, the variable displacement pump is connected to the hydraulic oil tank and the high-pressure oil pipe, and the high-pressure oil pipe is connected to the hydraulic motor. The steering wheel controls the cable by steering to control the variable displacement pump to draw in and pressurize the hydraulic oil in the hydraulic oil tank. The high-pressure oil pipe transmits the pressurized hydraulic oil to the hydraulic motor to drive the hydraulic motor to rotate clockwise or counterclockwise.

[0006] Optionally, the cable includes a first cable and a second cable, both of which connect the steering wheel and the variable pump; the high-pressure oil pipe includes a first high-pressure oil pipe and a second high-pressure oil pipe, both of which connect the variable pump and the hydraulic motor.

[0007] In the case of right turning of the steering wheel, the steering wheel controls the variable pump through the first cable to suck the hydraulic oil in the hydraulic oil tank, pressurize it and then deliver it to the hydraulic motor through the first high-pressure oil pipe to drive the hydraulic motor to rotate clockwise, the hydraulic motor transmits power to the transmission case to drive the left wheel to rotate clockwise and the right wheel to rotate counterclockwise to realize the right turning of the training platform on the spot.

[0008] In the case of left turning of the steering wheel, the steering wheel controls the variable pump through the second cable to suck the hydraulic oil in the hydraulic oil tank, pressurize it and then deliver it to the hydraulic motor through the second high-pressure oil pipe to drive the hydraulic motor to rotate counterclockwise, the hydraulic motor transmits power to the transmission case to drive the left wheel to rotate clockwise and the right wheel to rotate counterclockwise to realize the left turning of the training platform on the spot.

[0009] Optionally, it further comprises a motor, a transmission and a transmission, the transmission is connected between the motor and the transmission, the transmission is connected to the transmission case, the motor transmits power to the transmission case through the transmission and the transmission in turn to control the left wheel and the right wheel to advance and retreat synchronously through the transmission case.

[0010] Optionally, the transmission case comprises a first transmission assembly, the first transmission assembly comprises a transmission power input shaft, an input shaft transmission gear, a main transmission gear, a transmission shaft, a left planetary gear assembly and a right planetary gear assembly, the transmission power input shaft is connected with the output shaft of the transmission, the transmission power input shaft is fixedly connected with the input shaft transmission gear, the input shaft transmission gear is engaged with the main transmission gear, the main transmission gear is fixedly connected with the transmission shaft, the transmission shaft is connected with the left planetary gear assembly and the right planetary gear assembly at both ends respectively, the left planetary gear assembly is connected with the left wheel, and the right planetary gear assembly is connected with the right wheel.

[0011] In the case of power input of the transmission and no power input of the hydraulic motor, the transmission transmits power to the transmission power input shaft, the input shaft transmission gear, the main transmission gear and the transmission shaft in turn to make the transmission shaft transmit power to the left planetary gear assembly and the right planetary gear assembly synchronously to drive the left wheel and the right wheel to advance or retreat synchronously.

[0012] Optionally, the transmission box further comprises a second transmission assembly, the second transmission assembly comprises a hydraulic motor power input shaft, a hydraulic motor input shaft gear, a zero shaft main gear, a zero shaft, a zero shaft left transmission gear, a zero shaft right transmission gear, an idler gear, a left gear ring and a right gear ring, the hydraulic motor power input shaft is connected with the output shaft of the hydraulic motor, the hydraulic motor input shaft gear is connected with the hydraulic motor power input shaft, the hydraulic motor input shaft gear is engaged with the zero shaft main gear, the zero shaft is fixedly connected with the zero shaft main gear, the zero shaft left transmission gear and the zero shaft right transmission gear are fixedly connected on the zero shaft respectively, the zero shaft left transmission gear is engaged with the idler gear, the idler gear is engaged with the left gear ring, the left gear ring is engaged with the left planetary gear assembly, the zero shaft right transmission gear is engaged with the right gear ring, and the right gear ring is engaged with the right planetary gear assembly.

[0013] In the working condition that the hydraulic motor has power input and the transmission has no power input, the hydraulic motor sequentially transmits power to the hydraulic motor power input shaft, the hydraulic motor input shaft gear, the zero shaft main gear and the zero shaft, so that the zero shaft synchronously transmits power to the zero shaft left transmission gear and the zero shaft right transmission gear, the zero shaft left transmission gear transmits power to the left gear ring through the idler gear, and the zero shaft right transmission gear directly transmits power to the right gear ring, so that the power output directions of the left planetary gear assembly and the right planetary gear assembly are opposite.

[0014] Optionally, the left transmission gear assembly comprises a left sun gear, a first left planetary gear and a second left planetary gear, the left sun gear is fixedly connected to one end of the transmission shaft, the first left planetary gear and the second left planetary gear are located on the two sides of the left sun gear respectively and are engaged with the left gear ring and the left sun gear, and the left wheel is connected to the first left planetary gear and the second left planetary gear simultaneously.

[0015] The right transmission gear assembly comprises a right sun gear, a first right planetary gear and a second right planetary gear, the right sun gear is fixedly connected to one end of the transmission shaft away from the left sun gear, the first right planetary gear and the second right planetary gear are located on the two sides of the right sun gear respectively and are engaged with the right gear ring and the right sun gear, and the right wheel is connected to the first right planetary gear and the second right planetary gear simultaneously.

[0016] In the working condition that the hydraulic motor and the transmission both have power input, the left gear ring and the right gear ring rotate in opposite directions, the left sun gear and the right sun gear rotate in the same direction, so as to drive the left wheel and the right wheel to move differentially in the same direction.

[0017] Optionally, the left gear ring comprises a left outer gear ring and a left inner gear ring connected with each other, the left outer gear ring is engaged with the idler gear, the left sun gear, the first left planetary gear and the second left planetary gear are located in the left inner gear ring, and the first left planetary gear and the second left planetary gear are engaged with the left inner gear ring, and the transmission shaft penetrates through the left gear ring to drive the left sun gear.

[0018] The right gear ring comprises a right outer gear ring and a right inner gear ring connected with each other, the right outer gear ring is engaged with the zero-axis right transmission gear, the right sun gear, the first right planetary gear and the second right planetary gear are located in the right inner gear ring, and the first right planetary gear and the second right planetary gear are engaged with the right inner gear ring, and the transmission shaft penetrates through the right gear ring to drive the right sun gear.

[0019] From the above, it can be seen that the automobile training table with the original place turning demonstration function provided by the application comprises a steering wheel, a transmission mechanism, a transmission box, a left wheel, a right wheel and a vehicle body bottom plate. The steering wheel rotates clockwise or counterclockwise through a steering control hydraulic motor, the hydraulic motor transmits power to the transmission box to drive the transmission box to control the left wheel and the right wheel to rotate at the same speed in opposite directions, so as to control the original place left turning and the original place right turning of the training table. The steering control hydraulic motor of the steering wheel rotates clockwise or counterclockwise to control the original place turning of the training table. The above-mentioned way of controlling the original place turning of the training table through the steering wheel is intuitive and simple to operate, which is convenient for students to understand the principle of the original place turning of the vehicle. In addition, the vehicle body bottom plate and the shell of the transmission box are transparently arranged, which is convenient for colleges to observe the internal transmission system of the transmission box and the transmission of other transmission components, and further facilitates students to understand the principle of the original place turning of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the application or related art, the following will briefly introduce the drawings needed to be used in the embodiments or related art description. Obviously, the drawings in the following description are only embodiments of the application, and other drawings can be obtained by those skilled in the art without creating labor.

[0021] Figure 1 The schematic diagram of the transmission mechanism is shown for the embodiments of the application;

[0022] Figure 2 The schematic diagram of the transmission box is shown for the embodiments of the application;

[0023] Figure 3 The schematic diagram of the transmission mechanism is shown for the embodiments of the application;

[0024] Figure 4 The schematic diagram of the transmission mechanism is shown for the embodiments of the application;

[0025] Figure 5 A schematic view of the supporting roller is shown in the embodiments of the present application.

[0026] Reference signs: 1, steering wheel; 2, transmission mechanism; 21, hydraulic motor; 22, cable; 23, high-pressure oil pipe; 24, variable pump; 25, hydraulic oil tank; 221, first cable; 222, second cable; 231, first high-pressure oil pipe; 232, second high-pressure oil pipe; 3, transmission box; 31, first transmission assembly; 311, transmission power input shaft; 312, input shaft transmission gear; 313, main transmission gear; 314, transmission shaft; 315, left planetary gear assembly; 3151, left sun gear; 3152, first left planetary gear; 3153, second left planetary gear; 316, right planetary gear assembly; 3161, right sun gear; 3162, first right planetary gear; 3163, second right planetary gear; 32, second transmission assembly; 321, hydraulic motor power input shaft; 322, hydraulic motor input shaft gear; 323, zero shaft main gear; 324, zero shaft; 325, zero shaft left transmission gear; 326, zero shaft right transmission gear; 327, idler gear; 328, left gear ring; 3281, left outer gear ring; 3282, left inner gear ring; 329, right gear ring; 3291, right outer gear ring; 3292, right inner gear ring; 4, left wheel; 5, right wheel; 51, vehicle body floor; 6, electric motor; 61, battery; 7, transmission; 71, housing; 72, transmission power input shaft; 73, transmission power input shaft gear; 74, transmission power output shaft; 75, transmission power output shaft gear; 8, transmission; 81, gear shifting handle; 82, gear shifting device; 83, second synchronizer; 84, input shaft low gear; 85, input shaft; 86, intermediate shaft; 87, intermediate shaft low gear; 88, intermediate shaft gear; 89, output shaft; 811, output shaft gear; 812, input shaft high gear; 813, intermediate shaft high gear; 814, first synchronizer; 815, intermediate shaft reverse gear; 816, reverse shaft gear; 817, input shaft reverse gear; 818, brake friction cone gear ring; 819, brake friction cone ring; 9, supporting roller. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below with reference to specific embodiments and the accompanying drawings.

[0028] Unless otherwise defined, technical terms or scientific terms used in the embodiments of the present application shall have the meanings that can be commonly understood by a person having ordinary skills in the art to which the present application belongs. The terms "first", "second", and similar terms used in the embodiments of the present application do not indicate any order, quantity, or importance, but are used to distinguish different components. The terms "include", "contain", and similar terms mean that the elements or objects before the terms encompass the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects. The terms "connect" and "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships can also be changed accordingly.

[0029] Based on the background, the training mode of vehicle technology training and teaching units for the power transmission and working principle of the vehicle in-place turning is relatively limited, and most of the training is based on existing paper principle materials. The structure of the in-place turning system of the vehicle is closed, and the trainees cannot directly observe the running state of each module in the in-place turning system and the power transmission relationship, resulting in a large difficulty in understanding the vehicle technology training.

[0030] The embodiments of the present application will be described in detail below with reference to the accompanying drawings. Figures 1-5 The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0031] As shown in Figure 1 The present application provides an automobile training platform with in-place turning demonstration function, which comprises a steering wheel 1, a transmission mechanism 2, a transmission box 3, a left wheel 4, a right wheel 5 and a vehicle body bottom plate 51. The transmission mechanism 2 comprises a hydraulic motor 21, the steering wheel 1 is connected to the hydraulic motor 21 to control the clockwise rotation or counterclockwise rotation of the hydraulic motor 21 through steering, the hydraulic motor 21 is connected to the transmission box 3, the transmission box 3 is connected to the left wheel 4 and the right wheel 5 to control the left wheel 4 and the right wheel 5 to rotate in opposite directions respectively under the drive of the hydraulic motor 21 through the transmission box 3, the steering wheel 1, the transmission mechanism 2, the left wheel 4 and the right wheel 5 are all installed on the vehicle body bottom plate 51, and the vehicle body bottom plate 51 and the shell of the transmission box 3 are transparently arranged.

[0032] Specifically, by turning the steering wheel 1 to the right, the hydraulic motor 21 is controlled to rotate clockwise, the hydraulic motor 21 transmits power to the transmission box 3 to drive the left wheel 4 to rotate clockwise and the right wheel 5 to rotate counterclockwise, so as to realize the right turning of the training platform on the spot; by turning the steering wheel 1 to the left, the hydraulic motor 21 is controlled to rotate counterclockwise, the hydraulic motor 21 transmits power to the transmission box 3 to drive the left wheel 4 to rotate clockwise and the right wheel 5 to rotate counterclockwise, so as to realize the left turning of the training platform on the spot.

[0033] In the embodiment, the steering wheel 1 is controlled to rotate clockwise or counterclockwise by the steering control hydraulic motor 21, the hydraulic motor 21 transmits power to the transmission box 3 to drive the transmission box 3 to control the left wheel 4 and the right wheel 5 to rotate at the same speed in opposite directions, so as to control the left turning and the right turning of the training platform on the spot, the steering control training platform on the spot by the steering wheel 1 is intuitive and easy to operate, which is convenient for students to understand the principle of the vehicle turning on the spot, in addition, the bottom plate 51 of the vehicle body and the shell of the transmission box 3 are transparent, which is convenient for the college to observe the internal transmission system of the transmission box 3 and the transmission of other transmission components, and further facilitates students to understand the principle of the vehicle turning on the spot.

[0034] In some embodiments, as shown in Figure 1 The transmission mechanism 2 further includes a cable 22, a high-pressure oil pipe 23, a variable pump 24 and a hydraulic oil tank 25, the steering wheel 1 is connected to the cable 22, the cable 22 is connected to the variable pump 24, the variable pump 24 is connected to the hydraulic oil tank 25 and the high-pressure oil pipe 23, the high-pressure oil pipe 23 is connected to the hydraulic motor 21, the steering wheel 1 controls the cable 22 to control the variable pump 24 to suck and pressurize the hydraulic oil in the hydraulic oil tank 25, the high-pressure oil pipe 23 transmits the pressurized hydraulic oil to the hydraulic motor 21 to drive the hydraulic motor 21 to rotate clockwise or counterclockwise.

[0035] In addition, the cable 22 includes a first cable 221 and a second cable 222, the first cable 221 and the second cable 222 are both connected between the steering wheel 1 and the variable pump 24, the high-pressure oil pipe 23 includes a first high-pressure oil pipe 231 and a first high-pressure oil pipe 232, the first high-pressure oil pipe 231 and the first high-pressure oil pipe 232 are both connected between the variable pump 24 and the hydraulic motor 21;

[0036] When the steering wheel 1 is turned right, the steering wheel 1 controls the variable pump 24 to suck in and pressurize the hydraulic oil in the hydraulic oil tank 25 and then deliver it to the hydraulic motor 21 through the first high-pressure oil pipe 231, so as to drive the hydraulic motor 21 to rotate clockwise, the hydraulic motor 21 transmits power to the transmission box 3, so as to drive the left wheel 4 to rotate clockwise and the right wheel 5 to rotate counterclockwise, so as to realize the right turning of the training platform on the spot.

[0037] When the steering wheel 1 is turned left, the steering wheel 1 controls the variable pump 24 to suck in and pressurize the hydraulic oil in the hydraulic oil tank 25 and then deliver it to the hydraulic motor 21 through the first high-pressure oil pipe 232, so as to drive the hydraulic motor 21 to rotate counterclockwise, the hydraulic motor 21 transmits power to the transmission box 3, so as to drive the left wheel 4 to rotate clockwise and the right wheel 5 to rotate counterclockwise, so as to realize the left turning of the training platform on the spot.

[0038] In this embodiment, through the precise control of the steering wheel 1 on the cable 22, the working state of the variable pump 24 can be directly adjusted, so as to realize the control of the hydraulic oil flow and pressure, so that the hydraulic oil is input into the hydraulic motor 21 through the first high-pressure oil pipe 231 or the first high-pressure oil pipe 232, so as to control the transmission of the hydraulic motor 21. This hydraulic transmission mode not only ensures the stability and efficiency of power transmission, but also greatly enhances the response speed and accuracy of the transmission mechanism 2.

[0039] In some embodiments, as shown in Figure 1 and Figure 2 The training platform further comprises a motor 6, a transmission 7 and a transmission 8, the transmission 7 is connected between the motor 6 and the transmission 8, the transmission 8 is connected to the transmission box 3, the motor 6 transmits power to the transmission box 3 through the transmission 7 and the transmission 8 in sequence, so as to control the left wheel 4 and the right wheel 5 to advance and retreat synchronously through the transmission box 3.

[0040] In addition, the transmission box 3 comprises a first transmission assembly 31, the first transmission assembly 31 comprises a transmission power input shaft 311, an input shaft transmission gear 312, a main transmission gear 313, a transmission shaft 314, a left planetary gear assembly 315 and a right planetary gear assembly 316, the transmission power input shaft 311 is connected with the output shaft 89 of the transmission 8, the transmission power input shaft 311 is fixedly connected with the input shaft transmission gear 312, the input shaft transmission gear 312 is engaged with the main transmission gear 313, the main transmission gear 313 is fixedly connected with the transmission shaft 314, the transmission shaft 314 is connected with the left planetary gear assembly 315 and the right planetary gear assembly 316 at both ends respectively, the left planetary gear assembly 315 is connected with the left wheel 4, and the right planetary gear assembly 316 is connected with the right wheel 5.

[0041] In the working condition that the transmission 8 has power input and the hydraulic motor 21 has no power input, the transmission 8 sequentially transmits power to the transmission power input shaft 311, the input shaft transmission gear 312, the main transmission gear 313 and the transmission shaft 314, so that the transmission shaft 314 synchronously transmits power to the left planetary gear assembly 315 and the right planetary gear assembly 316, to drive the left wheel 4 and the right wheel 5 to synchronously advance or retreat.

[0042] Specifically, as shown in the figure, Figure 3 The transmission 7 comprises a housing 71, a transmission power input shaft 72, a transmission power input shaft gear 73, a transmission power output shaft 74 and a transmission power output shaft gear 75, the transmission power input shaft 72, the transmission power input shaft gear 73, the transmission power output shaft 74 and the transmission power output shaft gear 75 are all installed in the housing 71, the transmission power input shaft 72 penetrates through the housing 71, one end of the transmission power input shaft 72 is connected with the output shaft of the motor 6, the other end of the transmission power input shaft 72 is connected with the input shaft of the transmission 8, the transmission power input shaft gear 73 is fixedly connected on the transmission power input shaft 72, the transmission power output shaft gear 75 is fixedly connected on the transmission power output shaft 74, the transmission power input shaft gear 73 is engaged with the transmission power output shaft gear 75, one end of the transmission power output shaft 74 is connected on the housing, the other end of the transmission power output shaft 74 penetrates through the housing to connect the variable displacement pump 24, so as to simultaneously provide power for the variable displacement pump 24 and the transmission 8. The motor 6 is connected with the battery 61, to provide power for the motor 6. In the working condition that the training platform rotates in place, the motor 6 operates, the motor 6 provides power for the variable displacement pump 24, and the transmission 8 is in the neutral state, to avoid that the transmission 8 has power input.

[0043] In this embodiment, the electric motor 6 serves as the power source, and the power is effectively transmitted to the transmission case 3 through the transmission 7 and the transmission 8. This design ensures continuous and smooth transmission of power, reducing energy loss. The transmission 8 plays a role in adjusting the speed and torque during power transmission, allowing the power to better match the needs of the transmission case 3 and the wheels.

[0044] In some embodiments, as shown in Figure 2 The transmission case 3 further includes a second transmission assembly 32, which includes a hydraulic motor power input shaft 321 connected to the output shaft 89 of the hydraulic motor 21, a hydraulic motor input shaft gear 322 connected to the hydraulic motor power input shaft 321, a zero shaft main gear 323 engaged with the hydraulic motor input shaft gear 322, a zero shaft 324 fixedly connected to the zero shaft main gear 323, a zero shaft left transmission gear 325 and a zero shaft right transmission gear 326 fixedly connected to the zero shaft 324, respectively, an idler gear 327 engaged with the zero shaft left transmission gear 325, the left gear ring 328 engaged with the idler gear 327, the left gear ring 328 engaged with the left planetary gear assembly 315, and the zero shaft right transmission gear 326 engaged with the right gear ring 329, the right gear ring 329 engaged with the right planetary gear assembly 316.

[0045] In the working condition where the hydraulic motor 21 has power input and the transmission 8 has no power input, the hydraulic motor 21 transmits power to the hydraulic motor power input shaft 321, the hydraulic motor input shaft gear 322, the zero shaft main gear 323, and the zero shaft 324 in sequence, so that the zero shaft 324 synchronously transmits power to the zero shaft left transmission gear 325 and the zero shaft right transmission gear 326. The zero shaft left transmission gear 325 transmits power to the left gear ring 328 through the idler gear 327, and the zero shaft right transmission gear 326 directly transmits power to the right gear ring 329, so that the left planetary gear assembly 315 and the right planetary gear assembly 316 output power in opposite directions.

[0046] Specifically, in the working condition that the steering wheel 1 turns right and the transmission 8 has no power input, the steering wheel 1 controls the variable pump 24 to suck the hydraulic oil in the hydraulic oil tank 25 and pressurize it, and then the hydraulic oil is delivered to the hydraulic motor 21 through the first high-pressure oil pipe 231, so as to drive the hydraulic motor 21 to rotate clockwise, the hydraulic motor 21 transmits power to the hydraulic motor power input shaft 321, the hydraulic motor power input shaft 321 rotates clockwise, the hydraulic motor input shaft gear 322 rotates clockwise, the zero shaft main gear 323, the zero shaft left transmission gear 325 and the zero shaft right transmission gear 326 rotate counterclockwise, the idler gear 327 rotates clockwise, the left gear ring 328 rotates counterclockwise, the left planetary gear assembly 315 rotates clockwise, so that the left wheel 4 rotates clockwise, at the same time, the right gear ring 329 rotates clockwise, the right planetary gear assembly 316 rotates counterclockwise, so that the right wheel 5 rotates counterclockwise, thereby realizing the right turning of the training platform on the spot.

[0047] In the working condition that the steering wheel 1 turns left and the transmission 8 has no power input, the steering wheel 1 controls the variable pump 24 to suck the hydraulic oil in the hydraulic oil tank 25 and pressurize it, and then the hydraulic oil is delivered to the hydraulic motor 21 through the first high-pressure oil pipe 232, so as to drive the hydraulic motor 21 to rotate counterclockwise, the hydraulic motor 21 transmits power to the hydraulic motor power input shaft 321, the hydraulic motor power input shaft 321 rotates counterclockwise, the hydraulic motor input shaft gear 322 rotates clockwise, the zero shaft main gear 323, the zero shaft left transmission gear 325 and the zero shaft right transmission gear 326 rotate clockwise, the idler gear 327 rotates counterclockwise, the left gear ring 328 rotates clockwise, the left planetary gear assembly 315 rotates counterclockwise, so that the left wheel 4 rotates counterclockwise, at the same time, the right gear ring 329 rotates counterclockwise, the right planetary gear assembly 316 rotates clockwise, so that the right wheel 5 rotates clockwise, thereby realizing the left turning of the training platform on the spot.

[0048] In the embodiment, the zero shaft left transmission gear 325 and the zero shaft right transmission gear 326 respectively transmit power to the left gear ring 328 and the right gear ring 329 through different paths (one through the idler gear 327 and the other directly), so as to realize the effect that the output power directions of the left planetary gear assembly 315 and the right planetary gear assembly 316 are opposite, the transmission efficiency is high, and the transmission effect is relatively stable.

[0049] In some embodiments, as Figure 2As shown, the left transmission gear assembly includes a left sun gear 3151, a first left planetary gear 3152 and a second left planetary gear 3153, the left sun gear 3151 is fixedly connected to one end of the transmission shaft 314, the first left planetary gear 3152 and the second left planetary gear 3153 are located on both sides of the left sun gear 3151 respectively, and are engaged with the left gear ring 328 and the left sun gear 3151, the left wheel 4 is connected to the first left planetary gear 3152 and the second left planetary gear 3153 at the same time;

[0050] The right transmission gear assembly includes a right sun gear 3161, a first right planetary gear 3162 and a second right planetary gear 3163, the right sun gear 3161 is fixedly connected to one end of the transmission shaft 314 away from the left sun gear 3151, the first right planetary gear 3162 and the second right planetary gear 3163 are located on both sides of the right sun gear 3161 respectively, and are engaged with the right gear ring 329 and the right sun gear 3161, the right wheel 5 is connected to the first right planetary gear 3162 and the second right planetary gear 3163 at the same time;

[0051] When the hydraulic motor 21 and the transmission 8 are powered, the left gear ring 328 and the right gear ring 329 rotate in opposite directions, the left sun gear 3151 and the right sun gear 3161 rotate in the same direction, to drive the left wheel 4 and the right wheel 5 to move differentially in the same direction.

[0052] In addition, the left gear ring 328 includes a left outer gear ring 3281 and a left inner gear ring 3282 connected together, the left inner gear ring 3282 is provided with a connecting disc close to one side of the left outer gear ring 3281, the left outer gear ring 3281 is arranged on the connecting disc, the left outer gear ring 3281 is engaged with the idler gear 327, the left sun gear 3151, the first left planetary gear 3152 and the second left planetary gear 3153 are located in the left inner gear ring 3282, and the first left planetary gear 3152 and the second left planetary gear 3153 are engaged with the left inner gear ring 3282, the transmission shaft 314 penetrates the left outer gear ring 3281 and the connecting disc to drive the left sun gear 3151;

[0053] The right gear ring 329 comprises a right outer gear ring 3291 and a right inner gear ring 3292 connected with each other, the right inner gear ring 3292 is provided with a connecting disc near one side of the right outer gear ring 3291, the right outer gear ring 3291 is arranged on the connecting disc, the right outer gear ring 3291 is engaged with the zero shaft right transmission gear 326, the right sun gear 3161, the first right planetary gear 3162 and the second right planetary gear 3163 are located in the right inner gear ring 3292, and the first right planetary gear 3162 and the second right planetary gear 3163 are engaged with the right inner gear ring 3292, and the transmission shaft 314 penetrates through the right outer gear ring 3291 and the connecting disc to drive the right sun gear 3161.

[0054] Specifically, when the transmission 8 has a power input and the hydraulic motor 21 has no power input, the left gear ring 328 and the right gear ring 329 are stationary and fixed, the power of the transmission 8 is synchronously transmitted to the left sun gear 3151 and the right sun gear 3161, and the left sun gear 3151 and the right sun gear 3161 drive the left wheel 4 and the right wheel 5 to synchronously advance and retreat;

[0055] When the hydraulic motor 21 has a power input and the transmission 8 has no power input, the left sun gear 3151 and the right sun gear 3161 are stationary and fixed, the power of the hydraulic motor 21 is synchronously transmitted to the left gear ring 328 and the right gear ring 329, and the left gear ring 328 and the right gear ring 329 rotate in opposite directions respectively to drive the left transmission gear assembly and the right transmission gear assembly to rotate in opposite directions, so as to drive the left wheel 4 and the right wheel 5 to rotate at the same speed and in opposite directions, so as to drive the training platform to turn around in place.

[0056] When the hydraulic motor 21 and the transmission 8 both have a power input, and the steering wheel 1 is turned to the right, the hydraulic motor 21 rotates clockwise, the left inner gear ring 3282 rotates counterclockwise, the left sun gear 3151 rotates clockwise, at the same time, the right gear ring 329 rotates clockwise, the right sun gear 3161 rotates clockwise, at this time, the forward rotation speed of the left wheel 4 is greater than that of the right wheel 5, and right turning of the training platform during driving is realized.

[0057] When the hydraulic motor 21 and the transmission 8 both have a power input, and the steering wheel 1 is turned to the left, the left inner gear ring 3282 rotates clockwise, the left sun gear 3151 rotates clockwise, at the same time, the right gear ring 329 rotates counterclockwise, the right sun gear 3161 rotates clockwise, at this time, the forward rotation speed of the left wheel 4 is less than that of the right wheel 5, and left turning of the training platform during driving is realized.

[0058] In some embodiments, as Figure 4As shown, the transmission 8 is a two-gear transmission, and the transmission 8 can adopt an existing two-gear transmission or the following two-gear transmission. The two-gear transmission includes a shift handle 81, a shift device 82, a second synchronizer 83, an input shaft low gear 84, an input shaft 85, an intermediate shaft 86, an intermediate shaft low gear 87, an intermediate shaft gear 88, an output shaft 89, and an output shaft gear 811. The input shaft low gear 84 is connected to the input shaft 85, the intermediate shaft low gear 87 is connected to the intermediate shaft 86, the intermediate shaft low gear 87 meshes with the input shaft low gear 84, the intermediate shaft gear 88 is connected to the intermediate shaft 86, the output shaft gear 811 is connected to the output shaft 89, the output shaft gear 811 meshes with the intermediate shaft gear 88, the shift handle 81 is connected to the shift device 82, the shift device 82 is connected to the second synchronizer 83, the second synchronizer 83 is connected to the intermediate shaft 86, and the second synchronizer 83 can mesh with the intermediate shaft low gear 87,

[0059] When the shift handle 81 moves the second synchronizer 83 to the left through the shift device 82, so that the second synchronizer 83 is engaged with the intermediate shaft low gear 87, the transmission 8 is in the low gear. At this time, the power transmission route of the transmission 8 is: the input shaft 85 — the input shaft low gear 84 — the intermediate shaft low gear 87 — the second synchronizer 83 — the intermediate shaft 86 — the intermediate shaft gear 88 — the output shaft gear 811 — the output shaft 89.

[0060] The two-gear transmission 8 further includes an input shaft high gear 812 and an intermediate shaft high gear 813 that mesh with each other. The input shaft high gear 812 is connected to the input shaft 85, the intermediate shaft high gear 813 is connected to the intermediate shaft 86, the second synchronizer 83 can mesh with the intermediate shaft high gear 813, and when the shift handle 81 moves the second synchronizer 83 to the right through the shift device 82, so that the second synchronizer 83 is engaged with the intermediate shaft high gear 813, the transmission 8 is in the high gear. At this time, the power transmission route of the transmission 8 is: the input shaft 85 — the input shaft high gear 812 — the intermediate shaft high gear 813 — the second synchronizer 83 — the intermediate shaft 86 — the intermediate shaft gear 88 — the output shaft gear 811 — the output shaft 89.

[0061] The two-gear transmission 8 further comprises a first synchronizer 814, a reverse gear of the intermediate shaft 815, a reverse shaft gear 816, a reverse gear of the input shaft 817, the first synchronizer 814 is connected with the shift device 82 and is connected on the intermediate shaft 86, the reverse gear of the intermediate shaft 815 is connected on the intermediate shaft 86, the reverse gear of the input shaft 817 is connected on the input shaft 85, the reverse shaft gear 816 is engaged between the reverse gear of the intermediate shaft 815 and the reverse gear of the input shaft 817, when the shift handle 81 moves the first synchronizer 814 to the right through the shift device 82, the first synchronizer 814 is engaged with the reverse gear of the intermediate shaft 815, and the transmission 8 is in the reverse gear, at this time, the power transmission route of the transmission 8 is: the input shaft 85-reverse gear of the input shaft 817-reverse shaft gear 816-reverse gear of the intermediate shaft 815-first synchronizer 814-intermediate shaft 86-intermediate shaft gear 88-output shaft gear 811-output shaft 89;

[0062] The two-gear transmission 8 further comprises a brake friction cone disc gear 818 and a brake friction cone ring 819, when the shift handle 81 moves the first synchronizer 814 to the left through the shift device 82, the first synchronizer 814 is engaged with the brake friction cone disc gear 818, and the transmission 8 is in the brake gear, at this time, the brake friction cone is in friction with the brake friction cone ring 819 under the action of the compression spring, the friction resistance is transmitted to the transmission power input shaft 311 through the intermediate shaft 86, the intermediate shaft gear 88, the output shaft gear 811, the output shaft 89, and finally the output shaft 89, so that the wheels are braked.

[0063] In some embodiments, the four corners of the body floor 51 are provided with support rollers 9, which have a locking function, and the support rollers 9 have a telescopic function, and the support rollers 9 can support the body floor, so that the left wheel 4 and the right wheel 5 are off the ground, so as to demonstrate the training platform in place.

[0064] The embodiments of the present application are intended to cover all such alternatives, modifications, and variations falling within the broad scope of the application as defined in the appended claims. Accordingly, any and all such alternatives, modifications, variations, and equivalents are included within the scope of the present application.

Claims

1. A car training platform with a stationary turning demonstration function, characterized in that, include: The vehicle includes a steering wheel (1), a transmission mechanism (2), a transmission box (3), a left wheel (4), a right wheel (5), and a vehicle floor (51). The transmission mechanism (2) includes a hydraulic motor (21). The steering wheel (1) is connected to the hydraulic motor (21) to control the hydraulic motor (21) to rotate clockwise or counterclockwise by steering. The hydraulic motor (21) is connected to the transmission box (3). The transmission box (3) is connected to the left wheel (4) and the right wheel (5) to control the left wheel (4) and the right wheel (5) to rotate in opposite directions respectively by the transmission box (3) under the drive of the hydraulic motor (21). The steering wheel (1), the transmission mechanism (2), the left wheel (4), and the right wheel (5) are all mounted on the vehicle floor (51). The outer shell of the vehicle floor (51) and the transmission box (3) is transparent.

2. The automotive training platform with a stationary turning demonstration function according to claim 1, characterized in that, The transmission mechanism (2) also includes a cable (22), a high-pressure oil pipe (23), a variable pump (24), and a hydraulic oil tank (25). The steering wheel (1) is connected to the cable (22), the cable (22) is connected to the variable pump (24), the variable pump (24) is connected to the hydraulic oil tank (25) and the high-pressure oil pipe (23), and the high-pressure oil pipe (23) is connected to the hydraulic motor (21). The steering wheel (1) controls the cable (22) by steering, so as to control the variable pump (24) to draw in and pressurize the hydraulic oil in the hydraulic oil tank (25). The high-pressure oil pipe (23) transmits the pressurized hydraulic oil to the hydraulic motor (21) to drive the hydraulic motor (21) to rotate clockwise or counterclockwise.

3. The automotive training platform with a stationary turning demonstration function according to claim 2, characterized in that, The cable (22) includes a first cable (221) and a second cable (222), both of which are connected to the steering wheel (1) and the variable pump (24). The high-pressure oil pipe (23) includes a first high-pressure oil pipe (231) and a second high-pressure oil pipe (232), both of which are connected between the variable pump (24) and the hydraulic motor (21). When the steering wheel (1) turns right, the steering wheel (1) controls the variable pump (24) through the first cable (221) to draw in the hydraulic oil in the hydraulic oil tank (25) and pressurize it, and then deliver it to the hydraulic motor (21) through the first high-pressure oil pipe (231) to drive the hydraulic motor (21) to rotate clockwise. The hydraulic motor (21) transmits power to the transmission box (3) to drive the left wheel (4) to rotate clockwise and the right wheel (5) to rotate counterclockwise, so as to realize the training platform turning right in place. When the steering wheel (1) turns left, the steering wheel (1) controls the variable pump (24) through the second cable (222) to draw in the hydraulic oil in the hydraulic oil tank (25) and pressurize it, and then deliver it to the hydraulic motor (21) through the second high-pressure oil pipe (232) to drive the hydraulic motor (21) to rotate counterclockwise. The hydraulic motor (21) transmits power to the transmission box (3) to drive the left wheel (4) to rotate clockwise and the right wheel (5) to rotate counterclockwise, so as to realize the training platform turning left in place.

4. The automotive training platform with a stationary turning demonstration function according to claim 3, characterized in that, It also includes an electric motor (6), a transmission (7) and a gearbox (8). The transmission (7) is connected between the electric motor (6) and the gearbox (8). The gearbox (8) is connected to the transmission box (3). The electric motor (6) transmits power to the transmission box (3) in sequence through the transmission (7) and the gearbox (8) so as to control the left wheel (4) and the right wheel (5) to move forward and backward synchronously through the transmission box (3).

5. A car training platform with a stationary turning demonstration function according to claim 4, characterized in that, The transmission box (3) includes a first transmission assembly (31), which includes a transmission power input shaft (311), an input shaft transmission gear (312), a main transmission gear (313), a transmission shaft (314), a left planetary gear assembly (315), and a right planetary gear assembly (316). The transmission power input shaft (311) is connected to the output shaft (89) of the transmission (8). The transmission power input shaft (311) is fixedly connected to the input shaft transmission gear (312). The input shaft transmission gear (312) meshes with the main transmission gear (313). The main transmission gear (313) is fixedly connected to the transmission shaft (314). The two ends of the transmission shaft (314) are respectively connected to the left planetary gear assembly (315) and the right planetary gear assembly (316). The left planetary gear assembly (315) is connected to the left wheel (4), and the right planetary gear assembly (316) is connected to the right wheel (5). When the transmission (8) has power input and the hydraulic motor (21) has no power input, the transmission (8) transmits power sequentially to the transmission power input shaft (311), the input shaft transmission gear (312), the main transmission gear (313), and the transmission shaft (314), so that the transmission shaft (314) synchronously transmits power to the left planetary gear assembly (315) and the right planetary gear assembly (316) to drive the left wheel (4) and the right wheel (5) to move forward or backward synchronously.

6. The automotive training platform with a stationary turning demonstration function according to claim 5, characterized in that, The transmission box (3) further includes a second transmission assembly (32), which includes a hydraulic motor power input shaft (321), a hydraulic motor input shaft gear (322), a zero-axis main gear (323), a zero shaft (324), a zero-axis left transmission gear (325), a zero-axis right transmission gear (326), an idler gear (327), a left gear ring (328), and a right gear ring (329). The hydraulic motor power input shaft (321) is connected to the output shaft (89) of the hydraulic motor (21), and the hydraulic motor input shaft gear (322) is connected to the hydraulic motor power input shaft (321). (322) meshes with the zero-axis main gear (323), the zero-axis (324) is fixedly connected to the zero-axis main gear (323), the zero-axis left transmission gear (325) and the zero-axis right transmission gear (326) are respectively fixedly connected to the zero-axis (324), the zero-axis left transmission gear (325) meshes with the idler gear (327), the idler gear (327) meshes with the left gear ring (328), the left gear ring (328) meshes with the left planetary gear assembly (315), the zero-axis right transmission gear (326) meshes with the right gear ring (329), and the right gear ring (329) meshes with the right planetary gear assembly (316); When the hydraulic motor (21) has power input and the transmission (8) has no power input, the hydraulic motor (21) transmits power sequentially to the hydraulic motor power input shaft (321), the hydraulic motor input shaft gear (322), the zero-axis main gear (323), and the zero-axis (324), so that the zero-axis (324) transmits power synchronously to the zero-axis left transmission gear (325) and the zero-axis right transmission gear (326). The zero-axis left transmission gear (325) transmits power to the left gear ring (328) through the idler gear (327), and the zero-axis right transmission gear (326) directly transmits power to the right gear ring (329), so that the power output directions of the left planetary gear assembly (315) and the right planetary gear assembly (316) are opposite.

7. A car training platform with a stationary turning demonstration function according to claim 6, characterized in that, The left planetary gear assembly (315) includes a left sun gear (3151), a first left planetary gear (3152), and a second left planetary gear (3153). The left sun gear (3151) is fixedly connected to one end of the transmission shaft (314). The first left planetary gear (3152) and the second left planetary gear (3153) are located on both sides of the left sun gear (3151) and both mesh with the left gear ring (328) and the left sun gear (3151). The left wheel (4) is simultaneously connected to the first left planetary gear (3152) and the second left planetary gear (3153). The right planetary gear assembly (316) includes a right sun gear (3161), a first right planetary gear (3162), and a second right planetary gear (3163). The right sun gear (3161) is fixedly connected to the end of the transmission shaft (314) away from the left sun gear (3151). The first right planetary gear (3162) and the second right planetary gear (3163) are located on both sides of the right sun gear (3161) and both mesh with the right gear ring (329) and the right sun gear (3161). The right wheel (5) is simultaneously connected to the first right planetary gear (3162) and the second right planetary gear (3163). When both the hydraulic motor (21) and the transmission (8) are powered, the left gear ring (328) and the right gear ring (329) rotate in opposite directions, while the left sun gear (3151) and the right sun gear (3161) rotate in the same direction, so as to drive the left wheel (4) and the right wheel (5) to move in the same direction at a differential speed.

8. A car training platform with a stationary turning demonstration function according to claim 7, characterized in that, The left gear ring (328) includes a left external gear ring (3281) and a left internal gear ring (3282) connected to each other. The left external gear ring (3281) meshes with the idler gear (327). The left sun gear (3151), the first left planetary gear (3152), and the second left planetary gear (3153) are located inside the left internal gear ring (3282), and the first left planetary gear (3152) and the second left planetary gear (3153) mesh with the left internal gear ring (3282). The drive shaft (314) passes through the left gear ring (328) to drive the left sun gear (3151). The right gear ring (329) includes a right external gear ring (3291) and a right internal gear ring (3292) connected to each other. The right external gear ring (3291) meshes with the zero-axis right transmission gear (326). The right sun gear (3161), the first right planetary gear (3162), and the second right planetary gear (3163) are located inside the right internal gear ring (3292), and the first right planetary gear (3162) and the second right planetary gear (3163) mesh with the right internal gear ring (3292). The transmission shaft (314) passes through the right gear ring (329) to drive the right sun gear (3161).

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