CN111981122B - Automatic transmission automobile without clutch gearbox - Google Patents
Automatic transmission automobile without clutch gearbox Download PDFInfo
- Publication number
- CN111981122B CN111981122B CN202010828573.9A CN202010828573A CN111981122B CN 111981122 B CN111981122 B CN 111981122B CN 202010828573 A CN202010828573 A CN 202010828573A CN 111981122 B CN111981122 B CN 111981122B
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- sliding vane
- gear
- power
- oil path
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- 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.
Background
Although the prior art automobile has been developed for more than 140 years, 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 gearbox consists of an engine, an automatic gearbox and a transmission, the automatic gearbox of the automobile is commonly provided with four types, namely a hydraulic automatic gearbox (AT), a mechanical stepless automatic gearbox (CVT), an electric control mechanical automatic gearbox (AMT) and a double-clutch automatic gearbox, different automobiles are provided with different automatic-gear gearboxes, and the automatic-gear gearbox is generally provided with a plurality of avoidance points such as a D (forward gear), an R (reverse gear), a P (parking gear), an N (neutral gear), an L (low gear) and an S (motion mode gear). 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 automobile drive assembly with a larger load capacity than a small automobile is common; engine + friction clutch + manual gear change case + derailleur form of shifting forms constitutes, and manual gear change case's fender position (including the neutral gear) has more than 7 at least, and manual fender car is with regard to difficult controlling originally, still steps on the clutch when shifting, keeps in mind the fender position, and the trick closely cooperates skilled the shifting, so big car is controlled 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.
The engine technology of the prior automobile almost reaches the peak making step, and the chassis transmission system of the prior automobile adopts an automatic gearbox which is more advanced than a manual gear shifting gearbox, 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 the output power of the engine is transmitted to the driving wheel through gear speed change and torque change transmission, so that the driving wheel is the main reason for influencing the operation difficulty of the automobiles, and has the advantages of 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 automatic transmission car thereof, disclosing gear type hydraulic driver technical scheme, the disadvantage is that a loop is needed to be added, the hydraulic motor should be braked by the brake device for preventing reversion when the gear shifting device should make the hydraulic motor rotate clockwise, the hydraulic motor should be braked by the brake device for preventing clockwise rotation when the gear shifting device should make the hydraulic motor reverse, two sets of brake gear shifting devices should be used, the structure is complex, and the phenomenon of difficult gear shifting of skidding easily occurs.
The application has the same application date as three patent applications including 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 provided with a clutch-free gearbox.
In order to achieve the purpose, the invention adopts the following technical scheme.
An automatic transmission automobile without clutch transmission case comprises transmission system of automobile, two ends of hydraulic pump oil path are respectively connected with pipeline oil at two ends of oil path at one side of hydraulic oil path switching valve of gear shifting device to form one-way oil path, two ends of oil path at the other side of hydraulic oil path switching valve of gear shifting device are connected with pipeline oil at two ends of oil path of baffle type sliding vane hydraulic motor to form two-way oil path, a hydraulic oil tank is arranged between suction end of hydraulic pump and hydraulic oil path switching valve of gear shifting device, two ends of hydraulic oil path of one-way oil path are parallelly connected with normally open solenoid valve of short-circuit hydraulic oil loop, one group of valves of gear shifting device are forward gears, the other group of valves are reverse gears which are mutual switch state valves, the gear shifting device selects forward gear or reverse gear hydraulic oil path switching valve to switch two-way hydraulic oil path, sliding vane type hydraulic transmission device of oil closed circulation loop is formed to replace transmission case of transmission system, the power output shaft of the engine is connected with the power input shaft of the hydraulic pump in a power mode, the power output shaft of the baffle type sliding vane hydraulic motor is connected with the power input shaft of the drive axle transmission in a power mode, the accelerator pedal of the engine 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 accelerator pedal of the engine is pressed to be switched on and the normally open electromagnetic valve of the power supply is switched on and switched off, the accelerator pedal of the engine 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 torque of the drive wheel to drive the automobile to move forwards or reversely, the power of the normally open electromagnetic valve of the engine accelerator pedal is released to be switched on and switched on, the power of the short-circuit of the hydraulic oil is separated to be in a neutral state, the normally open electromagnetic valve of the power supply is switched on and switched off again to be switched on and switched off after the accelerator pedal of the engine is pressed again, the baffle type sliding vane hydraulic motor restores to drive the automobile to move forward or back.
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.
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 transmission automatic-gear 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 pipeline oil at the main input end and the main output end of a hydraulic distribution valve of a gear shifting device to form a one-way oil path, two ends of each group of branch oil paths of the distribution valve of the gear shifting device are respectively connected with pipeline oil at two ends of the oil path of the baffle type sliding vane hydraulic motor of each wheel hub to form a two-way oil path, a hydraulic oil tank is arranged between the suction end of the hydraulic pump and the main output end 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 short-circuit hydraulic oil circuit in parallel, each two-way oil path is provided with a valve for controlling the conduction or the disconnection of the hydraulic oil as a differential, one group of the valves of the gear shifting device is a forward gear, the other group of valves is a mutually switch state valve for the reverse gear, and the hydraulic oil path of the gear shifting device can switch over the forward gear or the reverse gear 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 the automobile works, a hydraulic oil path switching valve of a 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 an engine to drive the hydraulic pump to output hydraulic energy, a controller controls the conduction or the turn-off of each differential valve, each baffle type sliding vane hydraulic motor differentially converts the hydraulic energy into mechanical energy to automatically realize stepless speed change and torque conversion and drive the automobile to move forwards or reversely, the normally open electromagnetic valve of the engine accelerator pedal is released to switch on the power of a short-circuit hydraulic oil to be separated to be in a neutral state, the engine accelerator pedal is pressed again, the power supply is connected, the normally open electromagnetic valve is powered on and closed, and the baffle type sliding vane hydraulic motor restores to drive the automobile to move forward or back.
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.
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 transmission 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 transmission gear box 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 gears do not need to be remembered firmly.
4. Can realize gearless transmission. A sliding vane type hydraulic driver is used for replacing a gear transmission 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 various aspects like the motor, and the large diameter can be measured as much as the moment arm is increased to store the moment.
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 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 the maximum output pressure, and the gear ratio limitation is avoided.
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 barrier type sliding vane hydraulic motor, and 1, 2, 3, 4 are switching valves, wherein 1, 4 are a group of switching valves, and 2, 3 are a group of switching valves.
Detailed Description
The following is a further detailed description of specific embodiments of the invention.
An automatic transmission automobile without clutch transmission case comprises transmission system of automobile, two ends of hydraulic pump oil path are respectively connected with pipeline oil at two ends of oil path at one side of hydraulic oil path switching valve of gear shifting device to form one-way oil path, two ends of oil path at the other side of hydraulic oil path switching valve of gear shifting device are connected with pipeline oil at two ends of oil path of baffle type sliding vane hydraulic motor to form two-way oil path, a hydraulic oil tank is arranged between suction end of hydraulic pump and hydraulic oil path switching valve of gear shifting device, two ends of hydraulic oil path of one-way oil path are parallelly connected with normally open solenoid valve of short-circuit hydraulic oil loop, one group of valves of gear shifting device are forward gears, the other group of valves are reverse gears which are mutual switch state valves, the gear shifting device selects forward gear or reverse gear hydraulic oil path switching valve to switch two-way hydraulic oil path, sliding vane type hydraulic transmission device of oil closed circulation loop is formed to replace transmission case of transmission system, the power output shaft of the engine is connected with the power input shaft of the hydraulic pump in a power mode, the power output shaft of the baffle type sliding vane hydraulic motor is connected with the power input shaft of the drive axle transmission in a power mode, the accelerator pedal of the engine 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 accelerator pedal of the engine is pressed to be switched on and the normally open electromagnetic valve of the power supply is switched on and switched off, the accelerator pedal of the engine 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 torque of the drive wheel to drive the automobile to move forwards or reversely, the power of the normally open electromagnetic valve of the engine accelerator pedal is released to be switched on and switched on, the power of the short-circuit of the hydraulic oil is separated to be in a neutral state, the normally open electromagnetic valve of the power supply is switched on and switched off again to be switched on and switched off after the accelerator pedal of the engine is pressed again, the baffle type sliding vane hydraulic motor restores to drive the automobile to move forward or back.
The technical scheme is as shown in the attached figure 1, and the engine driving type sliding vane type hydraulic driver for realizing gear shifting by using the gear shifting device to switch the hydraulic oil circuit is used. When the oil flowing through the baffle type sliding vane hydraulic motor 7 is selected to flow upwards to be a forward gear, the reverse gear is adopted, a two-way 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 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 4, and oil pipes between the high-pressure section oil pipe and the hydraulic oil tank 3 and between the low-pressure section oil pipes of the drag valve 4 are connected in parallel with a normally open electromagnetic valve 5.
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.
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 speed changing box, 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 pipelines at the main input end and the main output end of a hydraulic distribution valve of a gear shifting device to form a one-way oil path, two ends of each group of branch oil paths of the gear shifting device distribution valve are respectively connected with pipelines at two ends of each wheel hub baffle type sliding-vane hydraulic motor oil path to form a two-way oil path, a hydraulic oil tank is arranged between the suction end of the hydraulic pump and the main output end 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 short-circuit hydraulic oil circuit in parallel, each two-way oil path is provided with a valve for controlling the conduction or the turn-off of the hydraulic oil to be used as a differential, one group of valves of the gear shifting device is a forward gear, the other group of valves are mutually on-off state valves, and the hydraulic oil path switching valve of the forward gear or the reverse gear can be switched to be capable of switching the two-way 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 the automobile works, a hydraulic oil path switching valve of a 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 an engine to drive the hydraulic pump to output hydraulic energy, a controller controls the conduction or the turn-off of each differential valve, each baffle type sliding vane hydraulic motor differentially converts the hydraulic energy into mechanical energy to automatically realize stepless speed change and torque conversion and drive the automobile to move forwards or reversely, the normally open electromagnetic valve of the engine accelerator pedal is released to switch on the power of a short-circuit hydraulic oil to be separated to be in a neutral state, the engine accelerator pedal is pressed again, the power supply is connected, the normally open electromagnetic valve is powered on and closed, and the baffle type sliding vane hydraulic motor restores to drive the automobile to move forward or back.
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 gearshift device realizes the engine-driven 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 adopted 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 4, and oil pipes between the high-pressure section oil pipe and the hydraulic oil tank 3 as well as between the low-pressure section oil pipes of the drag valve 4 are connected in parallel with a normally open electromagnetic valve 5.
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.
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 maximum 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 towards 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 vehicle is provided with 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 reverse gear hydraulic oil path switching valve to switch the two-way hydraulic oil path, a sliding vane type hydraulic driver forming an oil closed circulation loop replaces a gearbox of a transmission system, and an engine power output shaft is in power connection with a hydraulic pump power input shaft, 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, when the baffle type sliding vane hydraulic motor is in work, a power supply automobile enters a standby state, 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 of the power supply 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 continuously changes speed and changes torque, overcomes a driving wheel resistance torque to drive the automobile to be in a forward or reverse running state, the power of a hydraulic oil loop is separated to be in a neutral gear state after the engine accelerator pedal is released to switch on the normally open electromagnetic valve of the power supply and switch on, the hydraulic oil loop is switched on and switched off, the baffle type sliding vane hydraulic motor is restored to drive the automobile to be in the forward or reverse running state; the baffle type sliding vane hydraulic motor comprises a stator, a sliding groove, a sliding vane and a cylindrical rotor, wherein the sliding groove and the sliding vane, the two ends of the cylindrical rotor and the cylindrical rotor are provided with a baffle which rotates together to form a baffle type sliding vane rotor, the inner wall surface of the stator is in contact with the sliding vane to form a rotating sealing section which is clamped between the two baffles, the two baffles and the inner wall surface of a cylinder with the two convex end faces of the stator respectively form rotating sealing, so that the single-stage baffle type sliding vane hydraulic motor is formed, the inner sides of the baffles at the two ends are provided with radial baffle grooves to support the extending sliding vane to eliminate shearing force, each pair of baffle grooves and each sliding groove form a plane sliding groove frame, and the sliding vane is supported in the plane sliding groove frame between the root of the sliding vane and the inner wall surface of the stator all the time in the working process of radial reciprocating displacement.
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. An automotive vehicle without a clutch gearbox according to claim 2, characterised 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 of no clutch gearbox, including the transmission system of car, the characteristic is: the two-wheel driven hub is provided with a baffle type sliding vane hydraulic motor, two ends of a hydraulic pump oil path are respectively connected with pipeline oil at the main input end and the main output end of a hydraulic distribution valve of a gear shifting device to form a one-way oil path, two ends of each group of branch oil paths of the hydraulic distribution valve of the gear shifting device are respectively connected with pipeline oil at two ends of the oil path of each hub 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 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 short-circuit hydraulic oil loop in parallel, each two-way oil path is provided with a valve for controlling the conduction or the turn-off of hydraulic oil to be used as a differential, one group of the valves of the gear shifting device is a forward gear, the other group of the valves is a mutual switch state valve, and the hydraulic oil path switching valve of the forward gear or the reverse gear can switch the two-way 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 the automobile works, a hydraulic oil path switching valve of a 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 an engine to drive the hydraulic pump to output hydraulic energy, a controller controls the conduction or the turn-off of each differential valve, each baffle type sliding vane hydraulic motor differentially converts the hydraulic energy into mechanical energy to automatically realize stepless speed change and torque conversion and drive the automobile to move forwards or reversely, the normally open electromagnetic valve of the engine accelerator pedal is released to switch on the power of a short-circuit hydraulic oil to be separated to be in a neutral state, pressing the accelerator pedal of the engine again to switch on the normally open solenoid valve of the power supply, and switching off the normally open solenoid valve, and recovering the baffle type sliding vane hydraulic motor to drive the automobile to move forward or back; the baffle type sliding vane hydraulic motor comprises a stator, a sliding groove, a sliding vane and a cylindrical rotor, wherein the sliding groove, the sliding vane, the cylindrical rotor and the cylindrical rotor are provided with baffle plates which rotate together at two ends to form a baffle type sliding vane rotor, the inner wall surface of the stator is in contact with the sliding vane to form a rotary sealing section which is clamped between the two baffle plates, the two baffle plates and the inner wall surface of a cylinder with the two protruding end faces of the stator form rotary sealing respectively, so that the single-stage baffle type sliding vane hydraulic motor is formed, radial baffle plate grooves are arranged on the inner sides of the baffle plates at two ends to support the extending sliding vane to eliminate shearing force, each pair of two corresponding baffle plate grooves and each sliding groove form a plane sliding groove frame, and the sliding vane is supported in the plane sliding groove frame between the root of the sliding vane and the inner wall surface of the stator all the time to perform radial reciprocating displacement.
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; the sliding vane type engine comprises a power supply, a gas compressor, a motor, an expander, a heating device, a controller and a sensor thereof, wherein the expander is a baffle type sliding vane expander, the gas compressor, the motor and a rotating shaft of the baffle type sliding vane expander are in power connection, the rotating direction of compressed air of the gas compressor and the rotating direction of work output power of the baffle type sliding vane expander are consistent with the driving direction of the motor, the controller and the sensor thereof, the motor and an ignition system of the heating device are electrically connected, the input end of a combustion chamber of the heating device is in gas connection with the output end of the gas compressor, the output end of the combustion chamber of the heating device is in gas connection with the input end of the baffle type sliding vane expander, the motor is started to drive the gas compressor and the baffle type sliding vane expander to rotate together when the engine works, the gas compressor outputs compressed air, an accelerator of the combustion chamber of the heating device is pressed, an air working medium is heated under the control of the controller to increase the enthalpy value to become a high-temperature high-pressure working medium, after a high-temperature and high-pressure working medium expands in the baffle type sliding vane expander and pushes a sliding vane rotor of the baffle type sliding vane expander to rotate to do work and convert enthalpy drop of the working medium into mechanical work feedback to replace a motor to drive a compressor to rotate to output compressed air and an external output shaft power state, the motor stops working, an accelerator is loosened, a sliding vane type engine enters an idling state, and the sliding vane type engine is pressed down again to recover the external output shaft power state; the baffle type sliding vane expander comprises a stator, a sliding chute, sliding vanes, a cylindrical rotor, the sliding chute, the sliding vanes, baffle type sliding vane rotors formed by rotating baffles arranged at two ends of the cylindrical rotor and the cylindrical rotor together, a rotating sealing section formed by the contact of the inner wall surface of the stator and the sliding vanes is clamped between the two baffles, the two baffles and the inner wall surface of a cylinder protruding from two end faces of the stator form rotating sealing respectively, so that the single-stage baffle type sliding vane expander is formed, radial baffle grooves are arranged on the inner sides of the baffles at two ends to support the extending sliding vanes to eliminate shearing force, each pair of baffle grooves and each sliding chute form a plane sliding groove frame, and the sliding vanes are supported in the plane sliding groove frame between the root of the sliding vanes and the inner wall surface of the stator all the time to make radial reciprocating displacement.
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 CN111981122A (en) | 2020-11-24 |
| CN111981122B true CN111981122B (en) | 2022-05-10 |
Family
ID=73435638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010828573.9A Active CN111981122B (en) | 2020-08-09 | 2020-08-09 | Automatic transmission automobile without clutch gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111981122B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199368A (en) * | 1995-10-11 | 1998-11-18 | 美国环境保护署 | Continuously smooth transmission |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6813309A (en) * | 1968-09-18 | 1970-03-20 | ||
| CN101649780A (en) * | 2008-08-11 | 2010-02-17 | 刘佳骏 | Gas turbine independently driven by gas compressor |
| NO20111749A1 (en) * | 2011-12-19 | 2013-06-20 | Tocircle Ind As | Rotary machine |
-
2020
- 2020-08-09 CN CN202010828573.9A patent/CN111981122B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199368A (en) * | 1995-10-11 | 1998-11-18 | 美国环境保护署 | Continuously smooth transmission |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111981122A (en) | 2020-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103407449B (en) | A kind of hydraulic pressure assistive drive and brake system and control method thereof | |
| CN100484798C (en) | Transmission system of double-bridge liquid-driving mixed power automobile | |
| CN102705397B (en) | Air-boosting hydraulically driven clutch execution mechanism | |
| CN110985629B (en) | Hydrostatic drive transmission system, speed change control method and loader | |
| CN102691770B (en) | Dual-clutch transmission for hybrid power | |
| WO2007107085A1 (en) | Power set for vehicles | |
| CN104903624A (en) | Vehicle power transmission device | |
| CN1530248A (en) | Mixed motor vehicles | |
| CN106891711B (en) | Series-parallel hydraulic hybrid power control system and control method for loader | |
| CN106274443B (en) | Double-synchronous clutch and planetary gear coupling double-motor power system | |
| CN111231650B (en) | Tractor power split hybrid power system and control method thereof | |
| CN112128324A (en) | In-wheel two-gear automatic transmission and power-interruption-free gear shifting control method | |
| CN114148157A (en) | Dual-motor dual-clutch hybrid power gearbox | |
| CN114953959A (en) | CVT-based hybrid power system | |
| CN114523836A (en) | Driving method of engine-flywheel power coupling system | |
| CN111981122B (en) | Automatic transmission automobile without clutch gearbox | |
| JP2003139230A (en) | Controller for oil pump | |
| CN211139014U (en) | Power-dividing segmented stepless speed-changing transmission system of dual-rotor series motor | |
| CN111976471B (en) | Method for improving cost performance of new energy automobile and automatic transmission automobile | |
| CN111998068B (en) | Sliding vane type hydraulic driver | |
| CN110370924A (en) | Gear-type hydraulic driver and its automatic catch automobile | |
| CN215334387U (en) | Mechanical transmission auxiliary function mechanism | |
| CN110500402B (en) | Single motor power uninterrupted power-assisted automatic gear shifting transmission system | |
| CN112984106B (en) | Clutch device with overlapped gears, speed changing device, power generation device and electric automobile | |
| CN211145317U (en) | Automatic gear shifting transmission system with single motor and uninterrupted power assistance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |