CN209833765U - Hybrid power tractor - Google Patents
Hybrid power tractor Download PDFInfo
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- CN209833765U CN209833765U CN201920400017.4U CN201920400017U CN209833765U CN 209833765 U CN209833765 U CN 209833765U CN 201920400017 U CN201920400017 U CN 201920400017U CN 209833765 U CN209833765 U CN 209833765U
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Abstract
The utility model discloses a hybrid tractor, including tractor chassis, tractor automobile body, the terminal surface passes through left front wheel, left rear wheel, right front wheel, the right rear wheel of suspension system installation under the tractor chassis, and left front wheel, left rear wheel, right front wheel, right rear wheel are the tractor wheel that freely turns to, and four wheels of four wheel drive tractor can turn to by arbitrary angle to improve the operating efficiency of autopilot tractor and adapt to the operation requirement of multiplex condition. Can guarantee the laminating degree of wheel and ground when the tractor passes through uneven highway section, greatly reduced leads to the probability that the tractor is out of control because of the unsettled and skid of the uneven wheel in road surface. The utility model discloses a battery is the power supply, has the generator and charges and the commercial power quick charge function, and can charge simultaneously. The four-wheel driving motor and the power output motor of the farm tool are independently controlled, and each motor is controlled by a corresponding motor controller without mutual interference.
Description
Technical Field
The utility model relates to a tractor control system technical field, concretely relates to hybrid tractor.
Background
At the present stage, tractors used in agricultural production in China still mainly adopt traditional fuel oil tractors, and are complex in structure, high in energy consumption and serious in pollution. Most tractors are driven by a rear wheel, the front wheel is steered, the adhesive force is not enough, and the steering angle is limited. Steering wheel, throttle, brake are mechanical component transmission and realize turning to and acceleration and deceleration, and the structure is complicated, and mechanical component's life is restricted. The invention is a novel hybrid tractor, and key parts such as walking, steering and braking can realize electronic automatic control, which is different from the mechanical transmission control of the traditional fuel tractor to a great extent. At present, the intelligent agriculture which is pushed by China meets the requirement of the current intelligent agriculture. And the hybrid tractor has the advantages of simple structure, high energy utilization rate, pollution reduction and environmental protection.
The traditional tractor is mostly driven by two wheels, so that all the quality can not fall onto the driving wheels, the lifting utilization rate of the whole tractor quality to the ground adhesion is low, the maximum adhesion is small, the wheels are easy to slide, and the maximum traction force is influenced. The steering of the tractor depends on a mechanical structure, so that the steering angle of the tractor is limited, the omnidirectional movement cannot be realized, and the steering is difficult to rotate in a 360-degree manner in situ and move transversely in the driving process of the tractor. In the operation process of the automatic driving tractor, when the operation reaches the end of each line, the operation needs to be turned to the next line, the turning angle is limited, the turning radius is large, the line entering requirement of the automatic driving tractor cannot be met, so that the tractor is difficult to automatically complete the turning and line entering operation in the automatic driving mode, the automatic driving mode needs to be switched to first, the manual intervention is performed to complete the turning, and the automatic driving mode is switched to when the automatic driving mode is met. The working efficiency of the tractor is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a hybrid tractor, through the tractor wheel design that freely turns to, the device simple structure, the reliability is high, can be when the tractor passes through the unevenness highway section, guarantee the laminating degree on wheel and ground, greatly reduced skids the probability that leads to the tractor out of control because of the uneven wheel is unsettled in the road surface, the device can also adjust the size of spring force in order to adapt to different road surface condition, can restrict the relative rotation of tractor wheel mounting plate and moving part simultaneously, the condition that the wheel takes place the direction to deflect because of the shake when passing through the unevenness highway section has been stopped.
In order to solve the technical problem, the utility model discloses a technical scheme be: a hybrid power tractor comprises a tractor chassis and a tractor body, wherein the lower end surface of the tractor chassis is provided with a left front wheel, a left rear wheel, a right front wheel and a right rear wheel through a suspension system, the left front wheel, the left rear wheel, the right front wheel and the right rear wheel are tractor wheels which can freely steer,
the tractor wheel capable of freely steering comprises a rotary gear, a rotary gear mounting plate, a wheel mounting frame and a rotary driving gear,
the rotary gear is used for being fixedly connected with a suspension system of the tractor,
the rotary gear mounting disc is in rotary fit with the rotary gear by taking the axis of the rotary gear as a central line,
the wheel mounting rack is fixedly connected with the rotary gear mounting plate, one side of the wheel mounting rack is provided with a walking driving motor, the other side of the wheel mounting rack is provided with a wheel driven by the walking driving motor and rotates by taking the axis of the wheel as the center,
the rotary driving gear is driven by a rotary motor fixed on a rotary gear mounting disc to rotate by taking the axis of the rotary motor as the center, and the rotary driving gear is meshed with the rotary gear.
Preferably, the suspension system includes:
the guide ring is fixedly connected with a tractor chassis;
the radial outer surface of the suspension movable block is provided with a first extension section and a second extension section which are axially arranged and circumferentially extend, the diameter of one end, close to the second extension section, of the first extension section is larger than that of one end, close to the first extension section, of the second extension section, so that a step is formed between the first extension section and the second extension section, the suspension movable block is in axial sliding and radial limiting fit with the guide ring, and the suspension movable block is fixedly connected with the rotary gear;
the lower limiting ring is fixed on the lower end face of the guide ring, and the inner ring of the lower limiting ring extends to the position between two ends of the step in the radial direction so as to limit the sliding distance of the first extending section when the second extending section slides in the inner ring;
and one end of the elastic telescopic mechanism is fixedly connected with the suspension movable block, and the other end of the elastic telescopic mechanism is fixedly connected with a tractor chassis.
Preferably, the guide ring is an internal gear, and the first extension is engaged with the guide ring.
Preferably, the elastic telescopic mechanism comprises a spring and an adjusting screw, the suspension movable block is provided with a plurality of blind holes which are uniformly distributed along the circumferential direction, the blind holes extend downwards from the upper end face of the suspension movable block, each blind hole corresponds to one elastic telescopic mechanism, one end of the spring is abutted against the inside of the blind hole, and the other end of the spring is fixedly connected with the adjusting screw which is fixedly connected with the tractor chassis.
Preferably, the tractor body is provided with a bearing, an inner ring of the bearing is fixedly connected with a steering wheel, and a central rod of the steering wheel is provided with an angle sensor;
the tractor body is also provided with a main controller for receiving signals transmitted by the angle sensor and a wheel controller for receiving signals transmitted by the main controller, the wheel controller is electrically connected with the rotating motor, the walking driving motor is electrically connected with the walking driving motor controller, and the main controller is electrically connected with the wheel controller and the walking driving motor controller;
preferably, as above-mentioned scheme, still include accelerator pedal and brake pedal, accelerator pedal and brake pedal are electronic pedal, and electronic pedal includes:
a cylindrical housing;
the pedal is provided with a stepping part for stepping and a magnet which is connected with the stepping part and is in axial sliding fit with the base;
the Hall element is arranged on the base and is electrically connected with the wheel controller;
the elastic piece is connected with the base part at one end and the stepping part at the other end in the stretching direction of the elastic piece, and the Hall element sensor is positioned on the side surface of the magnetic field part when the elastic piece is at the maximum extension;
the treading part is provided with a treading plate and a rod part, the rod part extends into the shell from the opening of the shell, one axial end part of the rod part is fixedly connected with the treading plate, and the other axial end part is embedded with a magnet.
Preferably, the opening of the housing is provided with a linear bearing, and the rod part penetrates through the linear bearing and extends into the housing.
Preferably, the tractor body is further provided with an output shaft motor for providing power for farm tools, the output shaft motor is electrically connected with an output shaft motor controller, and the output shaft motor controller is electrically connected with the main controller;
the storage battery is electrically connected with the main controller;
the generator is electrically connected with the storage battery.
Preferably, the generator is an oil-fired generator or a gas-fired generator.
The utility model has the advantages that:
four wheels of the four-wheel drive tractor can be steered at any angle, so that the working efficiency of the automatic driving tractor is improved, and the operation requirement of multiple working conditions is met.
Can be when the tractor passes through the unevenness highway section, guarantee the laminating degree of wheel and ground, greatly reduced leads to the probability that the tractor is out of control because of the unsettled and skid of the uneven wheel in road surface, the device can also adjust the size of spring force in order to adapt to different road surface condition, can restrict the relative rotation of tractor wheel mounting plate and moving part simultaneously, stopped the wheel and taken place the condition that the direction deflected because of the shake when passing through the unevenness highway section.
Compared with the traditional tractor, the tractor adopts the storage battery as a power source, has the functions of generator charging and commercial power quick charging, and can be charged simultaneously. The four-wheel driving motor and the power output motor of the farm tool are independently controlled, and each motor is controlled by a corresponding motor controller without mutual interference.
Complex mechanical devices such as an engine and a transfer case are eliminated, a transmission system is greatly simplified, the transmission efficiency is improved, and the environmental pollution is reduced.
The charging mode is flexibly selected, and the generator can be used for charging, the commercial power can be rapidly charged, and the generator and the commercial power can be simultaneously charged.
Drawings
FIG. 1 is a perspective view of a freely steerable tractor wheel;
FIG. 2 is a schematic view of the construction of a freely steerable tractor wheel;
FIG. 3 is a schematic structural view of the suspension system;
FIG. 4 is a perspective view of the suspension system;
FIG. 5 is a schematic structural view of a tractor;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic view of the structure of the electronic pedal;
fig. 8 is a cross-sectional view of fig. 7.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
It is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the description of the invention based on the orientation or positional relationship shown in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, terms appearing as "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1-2, a hybrid tractor comprises a tractor chassis and a tractor body, wherein a left front wheel, a left rear wheel, a right front wheel and a right rear wheel are mounted on the lower end surface of the tractor chassis through a suspension system, and the left front wheel, the left rear wheel, the right front wheel and the right rear wheel are tractor wheels capable of freely steering.
A freely steerable tractor wheel comprising:
the rotary gear is used for being fixedly connected with a suspension system of the tractor;
the rotary gear mounting disc is in rotary fit with the rotary gear by taking the axis of the rotary gear as a central line;
the wheel mounting frame is fixedly connected with the rotary gear mounting disc, and wheels are mounted on the wheel mounting frame and are in running fit with the wheel mounting frame by taking the axis of the wheel mounting frame as the center;
the rotary driving gear is driven by a rotary motor fixed on a rotary gear mounting disc to rotate by taking the axis of the rotary motor as the center, and the rotary driving gear is meshed with the rotary gear.
A walking driving motor is installed on one side of the wheel installation frame, wheels are installed on the other side of the wheel installation frame, a driving shaft of the walking driving motor is fixedly connected with the wheels, and the axis of the driving shaft is overlapped with the axis of the wheels.
More specifically, the rotary gear 1-3 is fixedly connected with the suspension system, that is, fixedly connected with the chassis of the tractor through the suspension system, more precisely, the rotary gear 1-3 is fixedly connected with the suspension movable block of the suspension system, so that the rotary gear is fixed relative to the tractor in the horizontal direction, and the connection mode can be realized through screws, bolts and the like, so as to facilitate disassembly, and when the disassembly problem is not considered, the rotary gear can be fixed in a direct welding mode and the like.
For the design scheme, the bearing and the shaft in the prior art can be referred to, and therefore the design scheme is not shown in detail in the drawing. And the connection relationship of the rotary gear and the components on the rotary gear mounting disc is also replaced mutually. For example, the bearing is mounted on a rotary gear mounting plate, and the fixed shaft is mounted on a rotary gear.
The rotary motor 1-1 is fixed on a rotary gear mounting disc, a driving shaft of the rotary motor 1-1 is fixedly connected with a rotary driving gear 1-2, in the scheme, the gear is in a standard specification, the axis of the driving shaft of the rotary motor 1-1 is coincided with the axis of the rotary driving gear 1-2, and when the rotary driving gear 1-2 rotates, the rotary driving gear rotates relative to the rotary gear due to the fact that the rotary gear is not moved and the rotary driving gear is meshed with the rotary gear, namely the rotary gear mounting disc rotates relative to the rotary gear 1-3, namely the rotary gear mounting disc rotates relative to a vehicle body chassis. The wheels 1-5 are mechanically connected with the rotary gear mounting disc 1-4 into a whole through the wheel mounting frames 1-6. Therefore, when the rotary electric machine 1-1 rotates, the wheels 1-5 rotate at an arbitrary angle with respect to the tractor chassis (slewing gear). The four wheels of the tractor are all the freely steering tractor wheels. On the same principle, other three wheels of the tractor can rotate at any angle relative to the chassis of the tractor, and the rotation of the four wheels is independent and does not interfere with each other. The walking driving motors 1-7 can rotate in forward and reverse directions, and each wheel of the tractor is provided with one walking driving motor 1-7 to finish the walking of the tractor.
Wherein, the rotary driving gear is not contacted with the rotary gear mounting disc, thereby avoiding the interference.
Turning is realized: when the vehicle needs to turn, the rotating motor driver controls the turning motor 1-1 to rotate, and drives the rotating driving wheels 1-2 to rotate, so that the steering of the wheels is realized.
The walking is realized: when the vehicle needs to go forward or backward, the walking driving motor controller controls the walking driving motors 1-7 to rotate, so as to drive the wheels 1-5 to rotate, and the tractor walks.
In order to ensure the fitting degree of wheels and the ground when the tractor passes through the uneven road section, the probability of out-of-control tractor slip caused by hanging of the wheels on the uneven road is greatly reduced, the device can also adjust the elastic force of the spring to adapt to different road conditions, and can limit the relative rotation of the wheel mounting bottom plate and the moving part of the tractor, thereby avoiding the condition that the wheels deflect in the direction due to shaking when passing through the uneven road section, and the following suspension system is designed.
A tractor suspension system comprising:
the guide ring is fixedly connected with a tractor chassis;
the radial outer surface of the suspension movable block is provided with a first extension section and a second extension section which are axially arranged and circumferentially extend, the diameter of one end, close to the second extension section, of the first extension section is larger than that of one end, close to the first extension section, of the second extension section, so that a step is formed between the first extension section and the second extension section, and the suspension movable block is in axial sliding and radial limit fit with the guide ring;
the lower limiting ring is fixed on the lower end face of the guide ring, and the inner ring of the lower limiting ring extends to the position between two ends of the step in the radial direction so as to limit the sliding distance of the first extending section when the second extending section slides in the inner ring;
and one end of the elastic telescopic mechanism is fixedly connected with the suspension movable block, and the other end of the elastic telescopic mechanism is fixedly connected with a tractor chassis.
More specifically, as shown in fig. 3 to 4, the guide rings 2 to 4 may be fixed to a body chassis of a tractor by screws, that is, a tractor chassis described in the claims; the fixed part of the wheel assembly of the tractor can be fixed at the bottom of the suspension movable block through screws; the spring 2-2 can change the compression length of the spring by screwing adjusting screws with different lengths into adjusting screw holes on a tractor chassis, so that the elastic force of the spring is changed to adapt to different road conditions, the maximum outer diameter (referring to the integral outer diameter of the joint part of the spring and the adjusting screw) of the connecting part of the adjusting screw and the spring is required to be smaller than the diameter of the blind hole, if the maximum outer diameter is too large, the elastic force of the spring cannot be adjusted, but the purpose of the technical scheme of the application can be basically achieved, and only the adjusting performance is lacked; the lower limit ring 2-5 is an annular stop block, the inner diameter of the annular stop block is smaller than the outer diameter of the suspension movable block 2-1, the lower limit ring 2-5 is fixed at the lower end of the guide ring 2-4 through screws and used as the lower limit of the suspension movable block 2-1, the tractor chassis is used as the upper limit of the suspension movable block 2-1 and can limit the suspension movable block 2-1 to reciprocate up and down in the guide ring 2-4 without falling off.
In the above, the guide ring is an internal gear, the suspension movable block is an external gear, and the external gear is arranged at the first extension section, so that the suspension movable block and the guide ring are meshed with each other, and the axial sliding and radial limiting matching relation is realized. In addition, the scheme can also be used for replacing the meshing relationship by arranging the ridge at the first extension section and arranging the groove at the inner ring of the guide ring and matching and sliding the ridge and the groove.
The above axial sliding radial limit fit means that one part can slide relative to the other part in the axial direction, and two parts in the radial direction are relatively fixed or slightly displaced, for example, the guide ring and the suspension movable block are matched through straight teeth, so that the radial fixed fit is generated, and if oblique teeth are adopted, a relative rotation relationship with slight displacement is generated in part of the movement, namely, the limit fit relationship defined above.
In the above, the adjusting screw may be a conventional bolt, the head of the bolt is fixedly connected with the spring, and the screw rod is in threaded connection with a threaded hole on the tractor chassis. Equivalently, the adjusting screw can be a stud, a thread section at one end of the stud is in threaded connection with the tractor chassis, and a thread section at the other end of the stud is inserted into the spring, so that the spring is sleeved on the stud. Other similar alternatives are also possible.
Herein, the abutting means a press fit relationship.
As shown in fig. 5 to 6, in order to simplify the structure of the steering system of the tractor, mechanical parts such as an oil pump, an oil pipe, a pressure flow control valve, an oil storage tank, a steering control valve, a steering gear device, a connecting rod and the like are eliminated, so that the following mechanism is designed, wherein the automatic driving is facilitated, the number of parts is small, the arrangement is convenient, and the weight is light.
The tractor body is provided with bearings 3-10, the inner ring of each bearing is fixedly connected with a steering wheel, and a central rod 3-20 of the steering wheel is provided with an angle sensor.
The left front wheel, the left rear wheel, the right front wheel and the right rear wheel are all tractor wheels capable of freely steering.
In the embodiment, the left front wheel, the left rear wheel, the right front wheel and the right rear wheel all correspond to one wheel controller, and the rotating motor is electrically connected with the wheel controllers 3-8; the wheel controller is electrically connected with the main controller 3-6; the main controller is electrically connected with the angle sensor, the angle sensor is not shown in the figure, and the angle sensor only needs to be fixedly connected with the central rod and rotates along with the rotation of the fixed rod.
In the scheme, the angle sensor is used for reading the rotation angle of the steering wheel by the main controller, the corresponding angle is sent to the corresponding wheel controller by the main controller according to the rotation angle of the existing steering wheel and the corresponding rotation angle of the wheels, and the wheel controller controls the rotating motor to drive, so that the corresponding wheels rotate.
In this scheme, main control unit, wheel controller can set up in optional position, do not influence the use can.
The tractor is provided with the accelerator pedal and the brake pedal which are arranged on the tractor body, so that the brake can be realized quickly, the response is sensitive, the accuracy is high, the accelerator pedal and the brake pedal are designed by adopting the following electronic pedals which are matched with the walking driving motor to quickly control the forward and reverse rotation of the walking motor, the quick brake of the tractor wheels is realized, and the brake distance of the tractor is greatly reduced.
As shown in fig. 7 to 8, the electronic pedal includes:
a cylindrical case 3;
the pedal is provided with a stepping part for stepping and a magnet 5 which is connected with the stepping part and is in axial sliding fit with the base;
a Hall element sensor 6, wherein a Hall element is arranged on the base;
the elastic piece 2, in the flexible direction of the said elastic piece, one end of the elastic piece connects the basal portion, another end connects the trampling department, when the elastic piece is in the maximum extension, the Hall element sensor locates at the side of the magnetic field department;
the trampling part is provided with a trampling plate 1 and a rod part, the rod part extends into the shell from an opening of the shell, one axial end part of the rod part is fixedly connected with the trampling plate, and a magnet is embedded into the other axial end part of the rod part.
The opening of the shell is provided with a linear bearing 4, and the rod part penetrates through the linear bearing and extends into the shell.
And a Hall element sensor signal output port 7 is also arranged on the shell and is used for connecting a main controller.
In the above, the elastic member is a spring, one end of the spring is fixedly connected with the linear bearing, and the other end of the spring is fixedly connected with the pedal.
The tractor of this style controls as follows:
1) when the steering wheel is rotated, the angle sensor detects the rotation angle of the central rod, the main controller receives signals transmitted by the angle sensor and transmits the signals to the wheel controllers according to the signals, the wheel controllers transmit the signals to the rotating motors, and the rotating motors control the corresponding wheels to rotate by the required angle to realize steering.
2) When the automobile runs or brakes, the Hall element sensor transmits a signal to the main controller, the main controller transmits a signal to the walking driving motor controller, and the walking driving motor controller controls the walking driving motor to rotate forwards or backwards, so that quick running or braking is realized.
3) The output shaft motor 3-11 is electrically connected with the output shaft motor controller 3-12, and the output shaft motor controller is electrically connected with the main controller.
4) And the storage battery 3-7 is electrically connected with the main controller.
5) And the generator is an oil-electricity generator or a gas-electricity generator, namely the fuel of the generator is an oil tank or a gas tank 3-3, and the oil-electricity hybrid power generation is performed when the generator is an oil-electricity generator, and the gas-electricity hybrid power generation is performed when the generator is a pneumatic generator.
Wherein, the rotating electrical machines are electrically connected with the wheel controller.
In this embodiment, the storage battery may be connected to the commercial power by using the charging interfaces 3 to 9.
The power sources for steering and walking of the wheels are respectively from a rotating motor and a walking driving motor, and the steering and walking of each wheel are controlled by one wheel controller 3-8, so that the total number of the wheel controllers is four. The main controller 3-6 and the four wheel controllers 3-8 exchange information to realize the control of the wheel walking and steering.
The storage batteries 3 to 7 supply power to each motor and auxiliary equipment through the wheel controller and the output shaft motor controller so as to ensure the operation of the motors, and the energy management function of the main controller completes the coordination and management functions of each power output. The power of the wheel system and the farm tool is provided by a motor, the input of the motor is the electric energy provided by a wheel controller or an output shaft motor controller, and the input of a driver is connected with the storage batteries 3-7. The output of the motor is mechanical energy, namely, the electric motor converts electric energy into mechanical energy to provide a power source for a wheel system and farm tools.
The charging of the storage batteries 3-7 is realized by two ways: one way is to generate electricity by a generator to charge a storage battery, and the other way is to rapidly charge commercial power. The charging equipment 3-9 converts the alternating current provided by the two ways into direct current with corresponding voltage, and controls the charging current according to the requirement to complete the charging of the storage battery. The main controllers 3-6 are connected with the storage battery, and the distribution and coordination of energy sources are carried out in the running process of the whole vehicle, so that the energy sources are utilized to the maximum extent, and the simultaneous charging of the two ways can be realized.
In addition, the main controller can also monitor the working parameters of the storage battery in real time, prevent the storage battery from being overcharged and over-discharged, ensure the safe operation of the storage battery and prolong the service life of the storage battery.
3-3 is a container such as an oil tank or a gas tank and the like, and provides fuel for the generator. When the generator is an oil tank, the generator 3-2 is an oil-electricity generator; in the case of a gas tank, the generator 3-2 is a gas-electric generator.
It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted by equivalents, without departing from the spirit or scope of the invention.
Claims (9)
1. A hybrid power tractor comprises a tractor chassis and a tractor body, wherein the lower end surface of the tractor chassis is provided with a left front wheel, a left rear wheel, a right front wheel and a right rear wheel through a suspension system, and is characterized in that the left front wheel, the left rear wheel, the right front wheel and the right rear wheel are tractor wheels which can freely steer,
the tractor wheel capable of freely steering comprises a rotary gear, a rotary gear mounting plate, a wheel mounting frame and a rotary driving gear,
the rotary gear is used for being fixedly connected with a suspension system of the tractor,
the rotary gear mounting disc is in rotary fit with the rotary gear by taking the axis of the rotary gear as a central line,
the wheel mounting rack is fixedly connected with the rotary gear mounting plate, one side of the wheel mounting rack is provided with a walking driving motor, the other side of the wheel mounting rack is provided with a wheel driven by the walking driving motor and rotates by taking the axis of the wheel as the center,
the rotary driving gear is driven by a rotary motor fixed on a rotary gear mounting disc to rotate by taking the axis of the rotary motor as the center, and the rotary driving gear is meshed with the rotary gear.
2. The hybrid tractor as defined by claim 1 wherein the suspension system comprises:
the guide ring is fixedly connected with a tractor chassis;
the radial outer surface of the suspension movable block is provided with a first extension section and a second extension section which are axially arranged and circumferentially extend, the diameter of one end, close to the second extension section, of the first extension section is larger than that of one end, close to the first extension section, of the second extension section, so that a step is formed between the first extension section and the second extension section, the suspension movable block is in axial sliding and radial limiting fit with the guide ring, and the suspension movable block is fixedly connected with the rotary gear;
the lower limiting ring is fixed on the lower end face of the guide ring, and the inner ring of the lower limiting ring extends to the position between two ends of the step in the radial direction so as to limit the sliding distance of the first extending section when the second extending section slides in the inner ring;
and one end of the elastic telescopic mechanism is fixedly connected with the suspension movable block, and the other end of the elastic telescopic mechanism is fixedly connected with a tractor chassis.
3. The hybrid tractor as defined by claim 2 wherein the guide ring is an internal gear and the first extension engages the guide ring.
4. The hybrid tractor as claimed in claim 2, wherein the elastic telescopic mechanism comprises a spring and an adjusting screw, the suspension movable block is provided with a plurality of blind holes which are uniformly distributed along the circumferential direction, the blind holes extend downwards from the upper end face of the suspension movable block, each blind hole corresponds to one elastic telescopic mechanism, one end of the spring is abutted in the blind hole, and the other end of the spring is fixedly connected with the adjusting screw which is fixedly connected with the tractor chassis.
5. The hybrid tractor as defined in claim 1, wherein the tractor body is provided with a bearing, an inner ring of the bearing is fixedly connected with a steering wheel, and a center rod of the steering wheel is provided with an angle sensor;
the tractor body is also provided with a main controller used for receiving signals transmitted by the angle sensor and a wheel controller used for receiving signals transmitted by the main controller, the wheel controller is electrically connected with the rotating motor, the walking driving motor is electrically connected with the walking driving motor controller, and the main controller is electrically connected with the wheel controller and the walking driving motor controller.
6. The hybrid tractor as defined in claim 5, further comprising an accelerator pedal and a brake pedal, both of which are electronic pedals, the electronic pedals including:
a cylindrical housing;
the pedal is provided with a stepping part for stepping and a magnet which is connected with the stepping part and is in axial sliding fit with the base;
the Hall element is arranged on the base and is electrically connected with the wheel controller;
the elastic piece is connected with the base part at one end and the stepping part at the other end in the stretching direction of the elastic piece, and the Hall element sensor is positioned on the side surface of the magnetic field part when the elastic piece is at the maximum extension;
the treading part is provided with a treading plate and a rod part, the rod part extends into the shell from the opening of the shell, one axial end part of the rod part is fixedly connected with the treading plate, and the other axial end part is embedded with a magnet.
7. A hybrid tractor as claimed in claim 6, wherein the housing is provided with a linear bearing at the opening through which the rod portion extends into the housing.
8. The hybrid tractor as claimed in claim 6, wherein an output shaft motor for providing power for farm implements is further provided on the tractor body, the output shaft motor is electrically connected with an output shaft motor controller, and the output shaft motor controller is electrically connected with the main controller;
the storage battery is electrically connected with the main controller;
the generator is electrically connected with the storage battery.
9. The hybrid tractor as defined by claim 6 wherein the generator is an oil or gas-fired generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920400017.4U CN209833765U (en) | 2019-03-27 | 2019-03-27 | Hybrid power tractor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920400017.4U CN209833765U (en) | 2019-03-27 | 2019-03-27 | Hybrid power tractor |
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| CN209833765U true CN209833765U (en) | 2019-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911012A (en) * | 2019-03-27 | 2019-06-21 | 嘉兴市中欣自动化设备有限公司 | Mixed-power tractor |
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2019
- 2019-03-27 CN CN201920400017.4U patent/CN209833765U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911012A (en) * | 2019-03-27 | 2019-06-21 | 嘉兴市中欣自动化设备有限公司 | Mixed-power tractor |
| CN109911012B (en) * | 2019-03-27 | 2024-01-09 | 嘉兴市中欣自动化设备有限公司 | Hybrid power tractor |
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