CN111981122A - Automatic transmission automobile without clutch gearbox - Google Patents
Automatic transmission automobile without clutch gearbox Download PDFInfo
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- CN111981122A CN111981122A CN202010828573.9A CN202010828573A CN111981122A CN 111981122 A CN111981122 A CN 111981122A CN 202010828573 A CN202010828573 A CN 202010828573A CN 111981122 A CN111981122 A CN 111981122A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a two-wheel driven automatic transmission automobile without gear transmission, which shifts gears by using a hydraulic oil circuit switching valve of a gear shifting device; the two-wheel driven hub is provided with a baffle type sliding vane hydraulic motor, a gear shifting device is used for shifting gears through a hydraulic oil circuit switching valve, and the two-wheel driven automatic transmission automobile without gear transmission is provided. The clutch is replaced by a normally open electromagnetic valve switch, a manual gear and an automatic gear transmission box are replaced by a sliding sheet type hydraulic driver to transmit the output power of the engine to a driving wheel, the gearless transmission is realized, the operation is simple to operate the forward gear, the reverse gear, the neutral gear and the power clutch are full-automatic, the gears are not required to be remembered, the gear shifting is easy, the dragging function is realized, the reserve torque is large, the overload capacity is strong, various power requirements of accelerating from 0 starting to 120km/h high-speed overtaking are met, the automobile is simple in structure, strong in function, energy-saving and environment-friendly, and the cost performance is higher.
Description
Technical Field
The present invention relates to automobiles, and more particularly to internal combustion engine driven automatic transmission vehicles without a clutch.
Technical Field
Although the prior art automobile has been developed for more than 140 years, and new energy automobiles are continuously emerging at present, the prior art automobile still takes a piston type internal combustion engine automobile as a mainstream, and the driving assembly form and the defects of the piston type internal combustion engine automobile mainly comprise:
the driving assembly of the car has two structures, one of the two structures is composed of an engine, a friction clutch, a manual gear shifting gearbox and a transmission, and the manual gear shifting car is required to step on the clutch during gear shifting, so that the control difficulty is high, the labor intensity is high, and the car is easy to fatigue; the other type of the automatic transmission consists of an engine, an automatic transmission and a speed changer, the automatic transmission of the automobile is commonly provided with four types, namely a hydraulic Automatic Transmission (AT), a mechanical stepless automatic transmission (CVT), an electric control mechanical automatic transmission (AMT) and a double-clutch automatic transmission, different automobiles are provided with different automatic transmission, generally, different gears such as a D (forward gear), an R (reverse gear), a P (parking gear), an N (neutral gear), an L (low gear), an S (motion mode gear) are arranged, the use methods are different, and multiple avoidance such as no-permission neutral gear sliding and long-time high-speed running of the L (low gear) are provided. Although the automatic transmission has a complex structure, the gears are always remembered and selected and are correctly engaged, the automatic transmission has high oil consumption, and the automobile with the automatic transmission is expensive in selling price, the automatic transmission cancels the step-on of a clutch, and can directly shift gears by loosening an accelerator during gear shifting, the control difficulty is reduced, and the labor intensity is greatly reduced compared with that of the manual transmission, so that the automatic transmission is the first choice of people to buy the automatic transmission.
A large vehicle drive assembly having a larger load capacity than a small vehicle is generally composed of: the engine + friction clutch + manual gear change case + derailleur form is constituteed, and manual gear change case's fender position (including the neutral gear) has more than 7 at least, and manual fender car is originally with regard to difficult controlling, still steps on the clutch when shifting, keeps in good mind the position of keeping off the position, and the skilled gear of trick close fit is shifted, so big car control the degree of difficulty bigger, and intensity of labour is higher, appears tired driving more easily and influences driving safety.
In the prior art, people realize automatic transmission cars, and electric control mechanical automatic transmission (AMT) automatic transmission cars appear, which actually complete two actions of operating a clutch and selecting a transmission by a robot system. That is, automatic transmissions are not currently available for large trucks.
Almost the peak-climbing and extreme-building steps of the existing automobile engine technology are reached, and what is the chassis transmission system of the automobile adopts an automatic transmission which is more advanced than a manual shifting gear transmission and has no defects? Research and analysis find that the large and small automobiles with both manual gears and automatic gears use the gear box, and output power of an engine is transmitted to a driving wheel through gear speed change and torque change transmission, so that the driving wheel is the main reason for influencing the large difficulty of automobile control, high labor intensity, practicability, high cost, energy conservation and environmental protection.
In order to solve the technical problems, the inventor invents patent numbers in China: 201910670336.1 Gear type hydraulic driver and its automatic transmission automobile, disclosing gear type hydraulic driver technical scheme, the disadvantage is to add a loop, the gearshift should make the hydraulic motor rotate in the same direction the braking device that should prevent reversing brake the hydraulic motor, the gearshift should make the hydraulic motor reverse the braking of the braking device that should prevent rotating in the same direction the hydraulic motor, should use two sets of brake gearshift, the structure is complicated, easy to appear slipping difficult to shift the gear phenomenon.
The application has the same application date as three patent applications of a baffle type slide vane machine, a slide vane type engine and a slide vane type hydraulic driver, and the technical problem of the invention is solved on the basis of the research of the three patent applications, so the technical scheme is suitable for the application.
Disclosure of Invention
The purpose of the invention is as follows: the automatic transmission automobile overcomes the defects that a brake gear shifting device is used, the structure is complex, the phenomenon of slipping and difficult gear shifting is easy to occur, the structure is simple, the gear shifting can be realized by changing the flowing direction of hydraulic oil, and the automatic transmission automobile is driven by an engine and has no clutch transmission.
In order to achieve the purpose, the invention adopts the following technical scheme.
An automatic transmission automobile without clutch transmission case comprises a transmission system of the automobile, two ends of the oil path of a hydraulic pump are respectively connected with the pipeline oil at two ends of the oil path at one side of a hydraulic oil path switching valve of a gear shifting device to form a one-way oil path, two ends of the oil path at the other side of the hydraulic oil path switching valve of the gear shifting device are connected with the pipeline oil at two ends of the oil path of a baffle type sliding vane hydraulic motor to form a two-way oil path, a hydraulic oil tank is arranged between the suction end of the hydraulic pump and the hydraulic oil path switching valve of the gear shifting device, two ends of the oil path of the one-way oil path hydraulic pump are connected with a normally open electromagnetic valve of a short-circuit hydraulic oil circuit in parallel, one group of the valves of the gear shifting device is a forward gear, the other group of the valves is a, the engine power output shaft is connected with the power input shaft of the hydraulic pump in a power mode, the baffle type sliding vane hydraulic motor power output shaft is connected with the power input shaft of the drive axle transmission in a power mode, the engine accelerator pedal is linked with the normally open electromagnetic valve, the power automobile is switched on to enter a standby state during working, the gear shifting device selects a forward gear or a reverse gear, the engine accelerator pedal is pressed to be switched on and the normally open electromagnetic valve is switched on and off, the engine accelerator pedal controls the output power of the engine to drive the hydraulic pump to output hydraulic energy, the baffle type sliding vane hydraulic motor converts the hydraulic energy into mechanical energy to automatically realize stepless speed change and torque change and overcome the resistance moment of a driving wheel to drive the automobile to move forward or reverse, the normally open electromagnetic valve of the engine accelerator pedal is released to be switched on and short-circuited, the hydraulic oil circuit power is separated to, the baffle type sliding vane hydraulic motor restores the driving state of the automobile in forward or reverse running.
One end of a power output shaft of the baffle type sliding vane hydraulic motor is in power connection with a power input shaft of a rear drive axle speed changer, the other end of the power output shaft is in power connection with one end of an electric/power generation all-in-one machine, and the electric/power generation all-in-one machine is electrically connected with a power supply controller to form a hybrid electric vehicle.
The other end of the electric/power generation integrated machine is in power connection with a power input shaft of a front drive axle speed changer to form a four-wheel drive hybrid electric vehicle.
The invention relates to a clutch-free gearbox automatic transmission automobile, which comprises a transmission system of the automobile, wherein a two-wheel driven wheel hub is provided with a baffle type sliding vane hydraulic motor, two ends of a hydraulic pump oil path are respectively connected with a main input end and a main output end of a hydraulic distribution valve of a gear shifting device to form a one-way oil path, two ends of each branch oil path of the distribution valve of the gear shifting device are respectively connected with two ends of the oil path of each wheel hub baffle type sliding vane hydraulic motor to form a two-way oil path, a hydraulic oil tank is arranged between a suction end of the hydraulic pump and a main output end pipe of the hydraulic distribution valve of the gear shifting device, two ends of the hydraulic pump oil path of the one-way oil path are connected with a normally open electromagnetic valve of a hydraulic oil short circuit in parallel, each two-way oil path is provided with a valve for controlling the hydraulic oil, the gear shifting device selects a forward gear or a reverse gear hydraulic oil path switching valve to switch a bidirectional hydraulic oil path, a sliding vane type hydraulic driver forming an oil closed circulation loop replaces a gearbox of a transmission system, an engine power output shaft is in power connection with a hydraulic pump power input shaft, an engine accelerator pedal is linked with a normally open electromagnetic valve, a power supply automobile enters a standby state when in work, the hydraulic oil path switching valve of the gear shifting device selects the forward gear or the reverse gear, the engine accelerator pedal is pressed down to be connected with a normally open electromagnetic valve of the power supply to be powered on and off, the engine accelerator pedal controls the output power of an engine to drive the hydraulic pump to output hydraulic energy, a controller controls each differential valve to be switched on or off, each baffle type sliding vane type hydraulic motor differentially converts the hydraulic energy into mechanical energy automatic stepless speed change torque to overcome driving wheel resistance torque to drive, when the engine accelerator pedal is released, the normally open electromagnetic valve is powered off, the short-circuit hydraulic oil loop is powered on and separated to be in a neutral state, the engine accelerator pedal is pressed again, the power supply normally open electromagnetic valve is powered on and powered off, and the baffle type sliding vane hydraulic motor is restored to drive the automobile to run forwards or backwards.
And the wheel hubs of at least four-wheel drive even numbers are provided with baffle type sliding vane hydraulic motors to form the automatic transmission automobile of the at least four-wheel drive clutch-free gearbox.
A speed reducer is arranged between the power output shaft of the engine and the power input shaft of the hydraulic pump in a power connection way.
The hydraulic pump is a flapper-type sliding vane hydraulic pump.
The engine of the automobile is a sliding vane engine.
The sliding vane type hydraulic driver is provided with a valve for controlling the speed or the stop of the automobile in neutral gear, so that the automatic automobile has a dragging function.
The unmanned vehicle is provided with a computer system, a positioning system, a radar system, a camera and a sensor.
Due to the adoption of the technical scheme, compared with the prior art, the invention can obtain the following beneficial technical effects.
1. The gear shifting is easy. The gear can be shifted by changing the flowing direction of the hydraulic oil.
2. The large and small automobiles can be changed into stepless speed change automatic transmission automobiles. The sliding vane type hydraulic driver can replace an automatic gear transmission case and is suitable for large and small automobiles.
3. The operation is simple. Only the forward gear and the reverse gear need to be operated, the neutral gear and the power clutch are fully automatic, and the gear position does not need to be firmly remembered.
4. Can realize gearless transmission. A sliding-vane hydraulic driver is used to replace a gear box to transmit the output power of an engine to a driving wheel.
5. Has the function of dragging and blocking. The device for controlling the circulation speed or the turn-off speed of hydraulic oil between the hydraulic pump and the baffle type sliding vane hydraulic motor is arranged, the speed of the vehicle speed in the neutral gear is controlled by controlling the circulation speed of the hydraulic oil, and the driving safety can be improved when the brake fails.
6. The reserve moment is large. The diameter of the rotor of the baffle type sliding vane hydraulic motor is not limited in any aspect as the motor is, and the large diameter can be measured as much as possible, so that the moment arm is increased, and the moment is reserved.
7. The overload capacity is strong. The baffle type sliding vane hydraulic motor has no electromagnetic coil, can not be overloaded, heated and burnt, has strong torque-changing overload capacity and is beneficial to the requirements of automobile starting and climbing.
8. Can automatically change speed and torque continuously. When the sliding vane type hydraulic transmission works, a baffle type sliding vane hydraulic motor in the sliding vane type hydraulic transmission is equivalent to an engine, and can rotate clockwise or reversely to output torque from the output pressure of a hydraulic pump to be greater than 0 to the maximum output pressure without tooth ratio limitation.
9. Energy conservation and environmental protection. The baffle type sliding vane hydraulic motor is not limited by a tooth ratio and has automatic stepless speed change and torque change, thereby saving energy and reducing fuel consumption.
10. Can reduce the cost of the automobile. The sliding vane type hydraulic driver has simple structure and low cost compared with a gear transmission case.
Drawings
The following is a detailed description of the schematic drawings provided in the present specification.
FIG. 1 is a two-wheel drive automatic transmission vehicle with a clutch-less transmission shifted by a shifter hydraulic circuit switching valve.
In the figure 1, an engine, 2, a hydraulic pump, 3, a hydraulic oil tank, 4, a dragging valve, 5, a normally open electromagnetic valve, 6, a hydraulic oil path switching valve of a gear shifting device, 7, a baffle type sliding vane hydraulic motor and 8, a drive axle transmission.
Fig. 2 shows a two-wheel drive automatic transmission vehicle with a hub equipped with a baffled sliding vane hydraulic motor, shifting with a shifter hydraulic circuit switching valve, and a two-wheel drive clutch-less transmission.
In fig. 2, 1 is an engine, 2 is a hydraulic pump, 3 is a hydraulic oil tank, 4 is a drag valve, 5 is a normally open electromagnetic valve, 6 is a hydraulic oil path switching valve of a gear shifting device, 7 is a baffle type sliding vane hydraulic motor, and 8 is a differential valve.
Fig. 3 is a shifting apparatus hydraulic oil passage switching valve.
In fig. 3, the AC terminals are connected to the hydraulic pump, the BD terminals are connected to the flapper type sliding vane hydraulic motor, and 1, 2, 3, 4 are switching valves, wherein 1, 4 switching valves are a set, and 2, 3 switching valves are a set.
Detailed description of the preferred embodiments
The following further describes the embodiments of the present invention in detail.
An automatic transmission automobile without clutch transmission case comprises a transmission system of the automobile, two ends of the oil path of a hydraulic pump are respectively connected with the pipeline oil at two ends of the oil path at one side of a hydraulic oil path switching valve of a gear shifting device to form a one-way oil path, two ends of the oil path at the other side of the hydraulic oil path switching valve of the gear shifting device are connected with the pipeline oil at two ends of the oil path of a baffle type sliding vane hydraulic motor to form a two-way oil path, a hydraulic oil tank is arranged between the suction end of the hydraulic pump and the hydraulic oil path switching valve of the gear shifting device, two ends of the oil path of the one-way oil path hydraulic pump are connected with a normally open electromagnetic valve of a short-circuit hydraulic oil circuit in parallel, one group of the valves of the gear shifting device is a forward gear, the other group of the valves is a, the engine power output shaft is connected with the power input shaft of the hydraulic pump in a power mode, the baffle type sliding vane hydraulic motor power output shaft is connected with the power input shaft of the drive axle transmission in a power mode, the engine accelerator pedal is linked with the normally open electromagnetic valve, the power automobile is switched on to enter a standby state during working, the gear shifting device selects a forward gear or a reverse gear, the engine accelerator pedal is pressed to be switched on and the normally open electromagnetic valve is switched on and off, the engine accelerator pedal controls the output power of the engine to drive the hydraulic pump to output hydraulic energy, the baffle type sliding vane hydraulic motor converts the hydraulic energy into mechanical energy to automatically realize stepless speed change and torque change and overcome the resistance moment of a driving wheel to drive the automobile to move forward or reverse, the normally open electromagnetic valve of the engine accelerator pedal is released to be switched on and short-circuited, the hydraulic oil circuit power is separated to, the baffle type sliding vane hydraulic motor restores the driving state of the automobile in forward or reverse running.
The technical scheme is as shown in the attached figure 1, and the engine-driven sliding vane type hydraulic driver is used for realizing gear shifting by switching a hydraulic oil path through a gear shifting device. When the oil flowing through the baffle type sliding vane hydraulic motor 7 is selected to flow upwards as a forward gear, the reverse gear is adopted, a bidirectional oil path is formed between the gear shifting device hydraulic oil path switching valve 6 and the baffle type sliding vane hydraulic motor 7, an oil pipe from the output end of a hydraulic pump to the input end of the gear shifting device hydraulic oil path switching valve 6 is called a high-pressure section oil pipe, an oil pipe from the input end of the hydraulic pump to the output end of the gear shifting device hydraulic oil path switching valve 6 is called a low-pressure section oil pipe, a one-way oil path is formed, the low-pressure section oil pipe is provided with a hydraulic oil tank 3 and a drag valve 4, and normally open electromagnetic valves 5 are connected in parallel between the high-.
One end of a power output shaft of the baffle type sliding vane hydraulic motor is in power connection with a power input shaft of a rear drive axle speed changer, the other end of the power output shaft is in power connection with one end of an electric/power generation all-in-one machine, and the electric/power generation all-in-one machine is electrically connected with a power supply controller to form a hybrid electric vehicle.
The other end of the electric/power generation integrated machine is in power connection with a power input shaft of a front drive axle speed changer to form a four-wheel drive hybrid electric vehicle.
The sliding vane type hydraulic driver is used to replace a gear transmission case, and a two-wheel drive or four-wheel drive hybrid electric vehicle with a simple structure is easy to form.
The invention relates to a clutch-free gearbox automatic transmission automobile, which comprises a transmission system of the automobile, wherein a two-wheel driven wheel hub is provided with a baffle type sliding vane hydraulic motor, two ends of a hydraulic pump oil path are respectively connected with a main input end and a main output end of a hydraulic distribution valve of a gear shifting device to form a one-way oil path, two ends of each branch oil path of the distribution valve of the gear shifting device are respectively connected with two ends of the oil path of each wheel hub baffle type sliding vane hydraulic motor to form a two-way oil path, a hydraulic oil tank is arranged between a suction end of the hydraulic pump and a main output end pipe of the hydraulic distribution valve of the gear shifting device, two ends of the hydraulic pump oil path of the one-way oil path are connected with a normally open electromagnetic valve of a hydraulic oil short circuit in parallel, each two-way oil path is provided with a valve for controlling the hydraulic oil, the gear shifting device selects a forward gear or a reverse gear hydraulic oil path switching valve to switch a bidirectional hydraulic oil path, a sliding vane type hydraulic driver forming an oil closed circulation loop replaces a gearbox of a transmission system, an engine power output shaft is in power connection with a hydraulic pump power input shaft, an engine accelerator pedal is linked with a normally open electromagnetic valve, a power supply automobile enters a standby state when in work, the hydraulic oil path switching valve of the gear shifting device selects the forward gear or the reverse gear, the engine accelerator pedal is pressed down to be connected with a normally open electromagnetic valve of the power supply to be powered on and off, the engine accelerator pedal controls the output power of an engine to drive the hydraulic pump to output hydraulic energy, a controller controls each differential valve to be switched on or off, each baffle type sliding vane type hydraulic motor differentially converts the hydraulic energy into mechanical energy automatic stepless speed change torque to overcome driving wheel resistance torque to drive, when the engine accelerator pedal is released, the normally open electromagnetic valve is powered off, the short-circuit hydraulic oil loop is powered on and separated to be in a neutral state, the engine accelerator pedal is pressed again, the power supply normally open electromagnetic valve is powered on and powered off, and the baffle type sliding vane hydraulic motor is restored to drive the automobile to run forwards or backwards.
Above-mentioned technical scheme is as shown in figure 2, and the wheel hub that has used two drive wheels of at least even number is equipped with baffle formula gleitbretter hydraulic motor, and the hydraulic circuit is switched to the gearshift is realized the engine drive formula gleitbretter hydraulic actuator of shifting gears. When the oil flowing through the baffle type sliding vane hydraulic motor 7 is selected to flow upwards as a forward gear, the reverse gear is formed on the contrary, two groups of two-way oil paths are formed between the gear shifting device hydraulic oil path switching valve 6 and the baffle type sliding vane hydraulic motor 7, each group of two-way oil paths is provided with a differential valve 8, an oil pipe from the output end of a hydraulic pump to the input end of the gear shifting device hydraulic oil path switching valve 6 is called a high-pressure section oil pipe, an oil pipe from the input end of the hydraulic pump to the output end of the gear shifting device hydraulic oil path switching valve 6 is called a low-pressure section oil pipe to form a one-way oil path, the low-pressure section oil pipe is provided with a hydraulic oil tank 3 and a drag valve.
And the wheel hubs of at least four-wheel drive even numbers are provided with baffle type sliding vane hydraulic motors to form the automatic transmission automobile of the at least four-wheel drive clutch-free gearbox.
A speed reducer is arranged between the power output shaft of the engine and the power input shaft of the hydraulic pump in a power connection way. The highest rotating speed of the engine is usually higher than that of the hydraulic pump, and a speed reducer is arranged to match the rotating speeds of the engine and the hydraulic pump.
The hydraulic pump is a flapper-type sliding vane hydraulic pump. It is preferable to adopt a baffle type sliding vane hydraulic pump in which a pre-tightening device is arranged in a rotor at the bottom of a blade root to enable the sliding vane to always press towards the inner surface of the stator and contact with the inner surface of the stator. The baffle type sliding vane hydraulic motor has to adopt a baffle type sliding vane hydraulic motor which is provided with a pre-tightening device in a rotor at the bottom of a blade root and enables a sliding vane to always press to the inner surface of a stator and contact.
The engine of the automobile is a sliding vane engine. The related technical schemes of the sliding vane type engine and the sliding vane type hydraulic driver are disclosed in the patent applications of the sliding vane type engine and the sliding vane type hydraulic driver on the same application date.
The sliding vane type hydraulic driver is provided with a valve for controlling the speed or the stop of the automobile in neutral gear, so that the automatic transmission automobile has a dragging function. The function is equivalent to the dragging function of a manual gear box, and is preferably controlled in a linkage mode with a brake pedal through a controller to control the voltage or current. The speed of the vehicle in neutral gear is controlled by controlling the circulating speed of hydraulic oil, and the vehicle can be braked in case of brake failure and long-slope descending, so that the driving safety can be improved, and the vehicle can be parked.
The unmanned driving automobile comprises a computer system, a positioning system, a radar system, a camera and a sensor. The existing unmanned automobile in the prior art has the function of replacing a gearbox of a transmission system of a piston type internal combustion engine automobile by a sliding vane type hydraulic transmission device, so that the piston type internal combustion engine automobile unmanned automobile becomes simpler and has higher cost performance.
Claims (10)
1. Automatic transmission automobile of no clutch gearbox, including the transmission system of car, the characteristic is: two ends of the hydraulic pump oil path are respectively connected with pipeline oil at two ends of the oil path at one side of the hydraulic oil path switching valve of the gear shifting device to form a one-way oil path, two ends of the oil path at the other side of the hydraulic oil path switching valve of the gear shifting device are connected with pipeline oil at two ends of the oil path of the baffle type sliding vane hydraulic motor to form a two-way oil path, a hydraulic oil tank is arranged between the suction end of the hydraulic pump and the hydraulic oil path switching valve of the gear shifting device, two ends of the hydraulic oil path of the one-way oil path are connected in parallel with a normally open electromagnetic valve of a short-circuit hydraulic oil loop, one group of valves of the gear shifting device are forward gears, the other group of valves are reverse gears which are mutually switch state valves, the gear shifting device selects the forward gear or the, the baffle type sliding vane hydraulic motor power output shaft is in power connection with the drive axle transmission power input shaft, an engine accelerator pedal is linked with a normally open electromagnetic valve, a power supply automobile enters a standby state when the automobile is switched on in work, a gear shifting device selects a forward gear or a reverse gear, the engine accelerator pedal is pressed down to switch on the normally open electromagnetic valve and switch on, the engine accelerator pedal controls the output power of an engine to drive a hydraulic pump to output hydraulic energy, the baffle type sliding vane hydraulic motor converts the hydraulic energy into mechanical energy, automatically and infinitely variable speed and variable torque, overcomes a driving wheel resistance torque to drive the automobile to move forward or reverse, the power of the normally open electromagnetic valve of the engine accelerator pedal is released to switch on and short circuit hydraulic oil loop power is separated to be in a neutral gear state, the engine accelerator pedal is pressed down again to switch on the normally open electromagnetic valve.
2. An automotive vehicle without a clutch gearbox according to claim 1, characterised in that: one end of a power output shaft of the baffle type sliding vane hydraulic motor is in power connection with a power input shaft of a rear drive axle speed changer, the other end of the power output shaft is in power connection with one end of an electric/power generation integrated machine, and the electric/power generation integrated machine is electrically connected with a power supply controller to form the hybrid electric vehicle.
3. A hybrid vehicle as claimed in claim 2, wherein the vehicle is a motor vehicle without a clutch gearbox, characterized in that: the other end of the electric/power generation integrated machine is in power connection with a power input shaft of a front drive axle speed changer to form a four-wheel drive hybrid electric vehicle.
4. Automatic transmission automobile without clutch gearbox, including the transmission system of automobile, the characteristic is: the two-wheel driven hub is equipped with baffle type sliding vane hydraulic motor, two ends of hydraulic pump oil circuit are respectively connected with main input end and main output end pipeline oil of hydraulic distribution valve of gear-shifting device to form one-way oil circuit, two ends of every group of branch oil circuit of distribution valve of gear-shifting device are respectively connected with pipeline oil of two ends of oil circuit of baffle type sliding vane hydraulic motor of every wheel hub to form two-way oil circuit, between suction end of hydraulic pump and main output end pipeline of hydraulic distribution valve of gear-shifting device a hydraulic oil tank is set, two ends of hydraulic pump oil circuit of one-way oil circuit are parallelly connected with normally open electromagnetic valve of short-circuit hydraulic oil circuit, every two-way oil circuit is equipped with valve for controlling hydraulic oil to be switched on or switched off as differential mechanism, one group of valves of said gear-shifting device is forward gear, another group of valves is reverse gear, the hydraulic oil circuit switching valve of gear-shifting device, the engine power output shaft is connected with the hydraulic pump power input shaft in a power mode, the engine accelerator pedal is linked with the normally open electromagnetic valve, a power-on automobile enters a standby state during working, a hydraulic oil path switching valve of the gear shifting device selects a forward gear or a reverse gear, the engine accelerator pedal is pressed down to be connected with the normally open electromagnetic valve to be powered on and off, the engine accelerator pedal controls the output power of an engine to drive the hydraulic pump to output hydraulic energy, the controller controls the conduction or the turn-off of each differential valve, each baffle type sliding vane hydraulic motor converts the hydraulic energy into mechanical energy to automatically change the variable speed and torque continuously and overcome the resistance torque of a driving wheel to drive the automobile to move forward or reverse, the power of the engine accelerator pedal normally open electromagnetic valve to conduct the power of the short-circuit hydraulic oil to be separated to be in a neutral gear state, the engine accelerator pedal is pressed again.
5. An automotive vehicle having no clutch transmission as described in claim 4, characterized by: and at least the hubs with even number of four-wheel drive are provided with baffle type sliding vane hydraulic motors to form the automatic transmission automobile with at least four-wheel drive clutch-free gearbox.
6. Automatic transmission vehicle without clutch gearbox according to claim 1 or 2 or 4 or 5, characterized by: a speed reducer is arranged between the power output shaft of the engine and the power input shaft of the hydraulic pump in a power connection way.
7. Automatic transmission vehicle without clutch gearbox according to claim 1 or 2 or 4 or 5, characterized by: the hydraulic pump is a flapper-type sliding vane hydraulic pump.
8. Automatic transmission vehicle without clutch gearbox according to claim 1 or 2 or 4 or 5, characterized by: the engine of the automobile is a sliding vane engine.
9. Automatic transmission vehicle without clutch gearbox according to claim 1 or 2 or 4 or 5, characterized by: the sliding vane type hydraulic driver is provided with a valve for controlling the speed or the stop of the automobile in neutral gear, so that the automatic transmission automobile has a dragging function.
10. Automatic transmission vehicle without clutch gearbox according to claim 1 or 2 or 4 or 5, characterized by: the unmanned vehicle is provided with a computer system, a positioning system, a radar system, a camera and a sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010828573.9A CN111981122B (en) | 2020-08-09 | 2020-08-09 | Automatic transmission automobile without clutch gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010828573.9A CN111981122B (en) | 2020-08-09 | 2020-08-09 | Automatic transmission automobile without clutch gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111981122A true CN111981122A (en) | 2020-11-24 |
| CN111981122B CN111981122B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010828573.9A Active CN111981122B (en) | 2020-08-09 | 2020-08-09 | Automatic transmission automobile without clutch gearbox |
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| CN (1) | CN111981122B (en) |
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| CN109455081A (en) * | 2018-10-18 | 2019-03-12 | 罗显平 | The hybrid power automatic catch automobile of no-clutch, gearbox |
| CN110370924A (en) * | 2019-07-15 | 2019-10-25 | 肇庆高新区伙伴汽车技术有限公司 | Gear-type hydraulic driver and its automatic catch automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3626265A (en) * | 1968-09-18 | 1971-12-07 | Philips Corp | Vane pump or motor |
| CN1199368A (en) * | 1995-10-11 | 1998-11-18 | 美国环境保护署 | Continuously smooth transmission |
| CN101649780A (en) * | 2008-08-11 | 2010-02-17 | 刘佳骏 | Gas turbine independently driven by gas compressor |
| CN104066931A (en) * | 2011-12-19 | 2014-09-24 | 托瑟克工业公司 | Rotary machine |
| CN205930276U (en) * | 2016-07-25 | 2017-02-08 | 武振芳 | Hydraulic pressure infinitely variable speed drives car |
| CN106427521A (en) * | 2016-12-19 | 2017-02-22 | 盐城工学院 | Hybrid power driving system and vehicle |
| CN108825308A (en) * | 2018-05-24 | 2018-11-16 | 张谭伟 | A kind of blade gear ring rotor air engine and the circulatory system |
| CN109080454A (en) * | 2018-08-23 | 2018-12-25 | 西南交通大学 | A kind of electro-hydraulic drive system reducing power of motor |
| CN109455081A (en) * | 2018-10-18 | 2019-03-12 | 罗显平 | The hybrid power automatic catch automobile of no-clutch, gearbox |
| CN110370924A (en) * | 2019-07-15 | 2019-10-25 | 肇庆高新区伙伴汽车技术有限公司 | Gear-type hydraulic driver and its automatic catch automobile |
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| CN111981122B (en) | 2022-05-10 |
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