CN108327528B - Electric automobile - Google Patents
Electric automobile Download PDFInfo
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- CN108327528B CN108327528B CN201810108539.7A CN201810108539A CN108327528B CN 108327528 B CN108327528 B CN 108327528B CN 201810108539 A CN201810108539 A CN 201810108539A CN 108327528 B CN108327528 B CN 108327528B
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- hydraulic
- connecting rod
- tire pressure
- pressure regulating
- gearbox
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/10—Arrangement of tyre-inflating pumps mounted on vehicles
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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
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
Abstract
The invention belongs to the technical field of electric automobiles, and particularly relates to an electric automobile which comprises a hydraulic first transmission shaft, a hydraulic transmission shaft sleeve, a hydraulic side outer wall, a liquid inlet and a liquid outlet, a hydraulic top cover, a hydraulic bottom plate, a first connecting rod journal, a first connecting rod, a second connecting plate, a third connecting plate, a second connecting rod journal, a second connecting rod, a fourth connecting plate, a hydraulic cylinder, a connecting rod cylindrical pin, a connecting rod support lug, a hydraulic piston and a hydraulic cylinder bottom plate, wherein the hydraulic first transmission shaft is installed inside the hydraulic transmission shaft sleeve through a bearing, the hydraulic transmission shaft sleeve is installed on one side of the hydraulic side outer wall, the hydraulic side outer wall is enclosed by four flat plates, the hydraulic top cover is installed at the top end of the hydraulic side outer wall, and the hydraulic bottom plate is installed at the bottom end of the hydraulic side outer wall; the first connecting plate is arranged on the end face of the hydraulic first transmission shaft; the invention has simple structure, can realize the function of transmitting the torque of the rotating shaft with complicated spatial distribution and has better practical effect.
Description
The application has the following application numbers: 201610055650.5, filing date: the invention patent of 'a variable speed electric vehicle' is filed on 2016, 01, 27.
Technical Field
The invention relates to the technical field of automobiles, in particular to an electric automobile based on a manual transmission.
Background
The current driving technology of the small electric automobile is that a motor is directly used and a speed reducer is matched to drive wheels, and the rotating speed and the torque of the motor are adjusted by adjusting the current of the driving motor so as to change the speed of the automobile. Because the torque required initially to start an electric vehicle is large, it requires a high power from the electric motor. Even if the motor power is improved, the current motor technology can cause the situation that the starting speed of the electric automobile is slow, and in order to realize fast starting of the electric automobile, a gearbox needs to be added on the electric automobile.
The invention designs an electric automobile based on a manual transmission to solve the problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention discloses an electric automobile based on a manual transmission, which is realized by adopting the following technical scheme.
The utility model provides an electric automobile based on manual transmission which characterized in that: the hydraulic transmission device comprises a damping plate spring, a first torque hydraulic conversion mechanism, a gearbox, wheels, chassis cross beams, chassis longitudinal beams, a universal joint, a rear wheel driving shaft, a differential mechanism, a rear wheel rotating shaft sleeve, a rear wheel driving motor, a differential mechanism fixing structure and a liquid guide pipe, wherein the four chassis cross beams are sequentially and equidistantly arranged between the two chassis longitudinal beams, and the rear wheel driving motor is arranged on the chassis cross beams; the first torque hydraulic conversion mechanism is arranged on the chassis beam and is connected with a rotating shaft of a rear wheel driving motor; the gearbox is arranged on the chassis cross beam and connected with the first torque hydraulic conversion mechanism through a liquid guide pipe; one end of the universal joint is arranged on a rotating shaft of the gearbox, and the other end of the universal joint is arranged on a driving shaft of the rear wheel; the rear wheel drive shaft is arranged on a differential mechanism, and the differential mechanism is arranged on a chassis beam through a differential mechanism fixing structure; the two damping plate springs are oppositely and respectively arranged at the rear ends of the two chassis longitudinal beams, a rear wheel rotating shaft sleeve is arranged at the lower end of the damping plate spring, a rear wheel rotating shaft is arranged in the rear wheel rotating shaft sleeve and is connected with a differential mechanism, and wheels are arranged on a rear wheel rotating shaft;
the torque hydraulic conversion mechanism can convert energy between the torque of the rotating shaft and the flow of liquid, the first torque hydraulic conversion mechanism converts the rotating speed and the torque of the power source power input shaft into the reciprocating flow of the liquid in the liquid guide pipe, the reciprocating flow of the liquid is communicated with the second torque hydraulic conversion mechanism in the gearbox through the liquid guide pipe, the reciprocating flow of the liquid is converted into the rotating speed and the torque of the rotating shaft again under the action of the second torque hydraulic conversion mechanism, and the speed change is further realized through the gear. The design of the torque hydraulic conversion mechanism is beneficial to more flexibility in the layout of the chassis of the electric automobile.
The first torque hydraulic conversion mechanism comprises a hydraulic first transmission shaft, a hydraulic transmission shaft sleeve, a hydraulic side outer wall, a liquid inlet and outlet, a hydraulic top cover, a hydraulic bottom plate, a first connecting rod journal, a first connecting rod, a second connecting plate, a third connecting plate, a second connecting rod journal, a second connecting rod, a fourth connecting plate, a hydraulic cylinder, a connecting rod cylindrical pin, a connecting rod support lug, a hydraulic piston and a hydraulic cylinder bottom plate, wherein the hydraulic first transmission shaft is installed inside the hydraulic transmission shaft sleeve through a bearing, the hydraulic transmission shaft sleeve is installed on one side of the hydraulic side outer wall, the hydraulic side outer wall is enclosed by four flat plates, the hydraulic top cover is installed at the top end of the hydraulic side outer wall, and the hydraulic bottom plate is installed at the bottom end of the hydraulic side outer wall; the first connecting plate is arranged on the end face of the hydraulic first transmission shaft; one end of the first connecting rod journal is arranged on the first connecting plate, and the other end of the first connecting rod journal is arranged on the second connecting plate; the third connecting plate is arranged on the second connecting plate; one end of the second connecting rod journal is arranged on the third connecting plate, and the other end of the second connecting rod journal is arranged on the fourth connecting plate; one end of the first connecting rod is arranged on the first connecting rod journal, and the other end of the first connecting rod is arranged on the connecting rod cylindrical pin; one end of a second connecting rod is arranged on a second connecting rod journal, the other end of the second connecting rod is arranged on a connecting rod cylindrical pin, and the connecting rod cylindrical pins respectively connected with the first connecting rod and the second connecting rod are not the same cylindrical pin; the hydraulic cylinders are two cylinder bodies which are arranged in parallel and have square cross sections, the hydraulic cylinder bottom plate is arranged at the bottom end of each hydraulic cylinder, each hydraulic cylinder is internally provided with a hydraulic piston, the upper ends of the two hydraulic pistons are respectively provided with a connecting rod support lug, and the two connecting rod support lugs are respectively connected with the first connecting rod and the second connecting rod through cylindrical pins; the hydraulic cylinder bottom plate is arranged on the hydraulic bottom plate; two round holes are formed in the hydraulic cylinder bottom plate and correspond to the centers of the two cylinder bodies in the hydraulic cylinder respectively, and the two liquid inlets and the two liquid outlets are installed on the two round holes in the hydraulic cylinder bottom plate respectively and penetrate through the hydraulic bottom plate. The liquid inlet and the liquid outlet are connected with a liquid guide pipe; the hydraulic first transmission shaft is connected with a rotating shaft of a rear wheel driving motor.
The hydraulic first transmission shaft is an input shaft, and the rotation kinetic energy on the transmission shaft drives a connecting rod journal fixed on a connecting plate to rotate around the axis of the transmission shaft, so that a hydraulic piston is driven to reciprocate in a hydraulic cylinder; the two torque hydraulic conversion mechanisms respectively comprise two hydraulic pistons and hydraulic cylinders, the liquid guide pipe is used for connecting a liquid inlet and a liquid outlet between the two torque hydraulic conversion mechanisms, so that two independent closed spaces are formed between the space between the hydraulic piston and the hydraulic cylinder bottom plate between the two torque hydraulic conversion mechanisms and between the liquid guide pipes, the liquid in the closed spaces flows back and forth by the back and forth pushing of the hydraulic pistons, and the normal back and forth flow of the liquid can be ensured only by coordinating the motion of the two hydraulic pistons distributed in different torque hydraulic conversion mechanisms in each closed space because the volume of the liquid is unchanged under certain pressure, so that the rotating speed and the torque of the rotating shaft in the two torque hydraulic conversion mechanisms are indirectly ensured to be consistent. When the hydraulic first transmission shaft of one torque hydraulic conversion mechanism rotates, the hydraulic first transmission shaft of the other torque hydraulic conversion mechanism is inevitably driven to rotate at the same rotating speed and torque, and the transmission of the space rotating shaft is realized.
The gearbox comprises a gearbox liquid inlet and outlet, gearbox side walls, a gearbox top cover, a gearbox rotating shaft supporting wall, a gearbox rotating shaft, a second torque hydraulic conversion mechanism, a torque conversion mechanism support, a driving gear support, a transverse driving screw, a transverse driving motor, a gearbox bottom plate, a first transmission gear, a second transmission gear, a third transmission gear, a transverse sliding base, a longitudinal sliding guide rail, a longitudinal sliding base, a longitudinal driving motor, a transverse sliding guide rail, a hydraulic second transmission shaft, a transverse sliding chute, a longitudinal screw support, a transverse driving screw bolt hole, a longitudinal driving motor support, a longitudinal driving screw bolt hole, a longitudinal sliding chute and a liquid guide pipe, wherein the two gearbox liquid inlet and outlet are arranged on the gearbox side walls, the two gearbox side walls are oppositely arranged at the two ends of the gearbox bottom plate, the two transmission case rotating shaft supporting walls are oppositely arranged on a transmission case bottom plate; two ends of a rotating shaft of the gearbox are arranged on the supporting walls of the rotating shaft of the gearbox on two sides, one end of the rotating shaft of the gearbox does not extend out of the outer surface of the supporting wall of the rotating shaft of the gearbox, and the other end of the rotating shaft of the gearbox extends out of the outer surface of the supporting wall of the rotating shaft of the gearbox; the first transmission gear, the second transmission gear and the third transmission gear are sequentially arranged on a rotating shaft of the gearbox at equal intervals; the transverse driving motor is arranged on one side of the gearbox bottom plate; one end of the transverse driving screw is arranged on a rotating shaft of the transverse driving motor, and the other end of the transverse driving screw is arranged on a supporting wall of the rotating shaft of the gearbox; the transverse sliding guide rail is arranged on the bottom plate of the gearbox and is superposed with the projection of the transverse driving screw on the bottom plate of the gearbox; the bottom end of the transverse sliding base is provided with a transverse sliding chute, a transverse driving screw bolt hole is formed above the transverse sliding chute on the transverse sliding base, the transverse sliding chute is matched with the transverse sliding guide rail, and the transverse driving screw bolt hole is matched with the transverse driving screw; the longitudinal sliding guide rail is arranged on the upper surface of the transverse sliding base, and the longitudinal driving motor is supported and arranged on one side of the upper surface of the transverse sliding base through the longitudinal driving motor; the longitudinal screw rod is supported and installed on one side of the upper surface of the transverse sliding base and is opposite to the longitudinal driving motor; one end of the longitudinal driving screw is arranged on a rotating shaft of the longitudinal driving motor, and the other end of the longitudinal driving screw is arranged on the longitudinal screw support; the bottom end of the longitudinal sliding base is provided with a longitudinal sliding chute and is matched with the longitudinal sliding guide rail; the driving gear support is arranged on the longitudinal sliding base, and a longitudinal driving screw bolt hole is formed in the lower side of the driving gear support and matched with the longitudinal driving screw; the torque conversion mechanism is supported and installed on the longitudinal sliding base, the second torque hydraulic conversion mechanism is installed on the torque conversion mechanism support, the internal structure of the second torque hydraulic conversion mechanism is completely the same as that of the first torque hydraulic conversion mechanism, the installation mode of one end of a hydraulic second transmission shaft and the second torque hydraulic conversion mechanism is completely the same as that of the hydraulic first transmission shaft and the first torque hydraulic conversion mechanism, the other end of the hydraulic second transmission shaft is also installed on a driving gear support, and the driving gear is installed on the hydraulic second transmission shaft; and a liquid inlet and a liquid outlet on the second torque hydraulic conversion mechanism are connected with a liquid inlet and a liquid outlet of the gearbox through a liquid guide pipe.
In the invention, the power of a motor power source is transmitted to a driving gear in a gearbox through a liquid guide pipe by the hydraulic transmission of two torque hydraulic conversion mechanisms, and the driving gear is arranged on a combined base which can move transversely and longitudinally; the base can move along two degrees of freedom of horizontal and longitudinal rail, realizes moving in the plane in optional position, and drive gear can be along with base plane motion, and the different drive gear of three radiuses on the selective drive gearbox pivot, and then realizes the variable speed. The gearbox of the present invention is structurally simple to benefit from the transmission technology of the driving gear in motion, which uses a torque hydraulic conversion mechanism.
The wheel comprises a tire, a tire pressure regulating mechanism and a hub, wherein the tire is arranged at the outer edge of the hub, and the tire pressure regulating mechanism is arranged at the inner edge of the hub; the tire pressure regulating mechanism comprises a tire pressure regulating mechanism cover plate, a tire pressure regulating mechanism reciprocating rack, a tire pressure regulating mechanism gear, a tire pressure regulating mechanism side wall, a tire pressure regulating mechanism piston, tire pressure regulating mechanism power and a tire pressure regulating mechanism power rotating shaft, wherein the tire pressure regulating mechanism side wall is arranged on a wheel hub, one end of the tire pressure regulating mechanism side wall is communicated with the interior of a tire, and the other end of the tire pressure regulating mechanism side wall is communicated with the atmosphere; the tire pressure regulating mechanism cover plate is arranged at the upper end of the side wall of the tire pressure regulating mechanism, and the tire pressure regulating mechanism piston is arranged in the side wall of the tire pressure regulating mechanism; one end of a reciprocating rack of the tire pressure regulating mechanism is arranged on the upper side of a piston of the tire pressure regulating mechanism, and the other end of the reciprocating rack penetrates out of a cover plate of the tire pressure regulating mechanism; the tire pressure regulating mechanism gear is arranged on the power rotating shaft of the tire pressure regulating mechanism and is meshed with the reciprocating rack of the tire pressure regulating mechanism; the tire pressure regulating mechanism is dynamically arranged on the inner edge surface of the hub, and the power rotating shaft of the tire pressure regulating mechanism is arranged on the power of the tire pressure regulating mechanism.
The internal space of the tire comprises the internal space of the tire and the space between the piston and the side wall in the tire pressure regulating mechanism, the internal space of the tire is not changed, but the space between the piston and the side wall in the tire pressure regulating mechanism can be regulated by driving the piston to move through the gear and the rack of the tire pressure regulating mechanism. The tire pressure can be adjusted under the condition that the gas quality in the tire is certain, and then the tire pressure can be adjusted, so that the tire pressure can be supplemented when the tire pressure is insufficient or the tire pressure can be adjusted according to the requirements of a driver, and the motion performance and the comfort level of the automobile can be met.
The tire pressure adjusting mechanisms are three and are circumferentially and uniformly arranged on the inner edge surface of the hub. The relative positions of the piston of the tire pressure regulating mechanism and the side wall of the tire pressure regulating mechanism in the three tire pressure regulating mechanisms must be completely consistent. The power of the tire pressure regulating mechanism can be a combination of a motor and a miniature battery. The three tire pressure adjusting mechanisms are uniformly arranged on the inner edge of the hub in the circumferential direction, so that the movement stability of the automobile wheel can be ensured, and the effect of balancing and rotating the wheel is achieved. The movement of the pistons of the tire pressure regulating mechanisms inevitably affects the balance of the whole wheel, and the regulating mode that the three pistons of the tire pressure regulating mechanisms are at the same position at the same time plays an important role in the dynamic balance of the wheel.
As a further improvement of the present technology, the liquid conduit may be a hose capable of withstanding a liquid pressure, or may be a metal pipe.
As a further improvement of the technology, the comprehensive gravity center of the first connecting plate, the second connecting plate and the first connecting rod shaft neck is on the extension line of the axial line of the hydraulic first transmission shaft; the comprehensive gravity center of the third connecting plate, the fourth connecting plate and the second connecting rod shaft neck is on the extension line of the axis of the hydraulic first transmission shaft. The connecting plate serves as a requirement for mounting the connecting rod journal on one hand, and balances the vibration generated by the rotation of the connecting rod journal during rotation on the other hand, so that the mechanism is prevented from resonance.
In a further improvement of the present technology, a plane formed by the first rod journal axis and the hydrodynamic first drive shaft axis and a plane formed by the second rod journal axis and the hydrodynamic first drive shaft axis are perpendicular to each other. The design can enable the two pistons to move to generate a phase, and dead points are prevented from being generated when the liquid flow is converted into the torque of the transmission shaft.
As a further improvement of the technology, the length of the hydraulic transmission shaft sleeve is more than 1 time of the length of the first connecting rod journal. The appropriate lengthening of the shaft sleeve enables the hydrodynamic first drive shaft to be stabilized, since the two connecting rod journals in the design are integrally fixed unilaterally on the end faces of the hydrodynamic drive shaft.
Compared with the traditional electric automobile chassis technology, the chassis cross beam and the chassis longitudinal beam are combined into the automobile chassis frame, the rear wheel driving motor, the gearbox, the differential mechanism, the rear wheel rotating shaft, the wheels and the like are installed on the chassis frame, the rear wheel driving motor transmits the motor torque to the gearbox through the first torque hydraulic conversion mechanism, and the gearbox drives the automobile wheels through three-gear speed change; the wheel has used three tire pressure adjustment mechanism, can guarantee that tire pressure is in standard tire pressure, can also and then improve the comfort level of wheel through adjusting tire pressure in addition. The invention has simple structure, can realize the application of the low-power motor on the electric automobile through the three-gear gearbox, and has better practical effect.
Compared with the traditional gearbox technology, the gearbox is designed into three gears and is respectively completed by three transmission gears and one driving gear in a meshed mode; the driving gear is arranged on the combined base which can move transversely and longitudinally, and the driving gear selectively drives one of the three transmission gears along with the planar movement of the base to realize variable transmission ratio and further realize variable speed; the driving gear realizes transmission through the torque hydraulic conversion mechanism, the torque hydraulic conversion mechanism converts energy between rotation of the transmission shaft and reciprocating flow of liquid, and the two torque hydraulic conversion mechanisms are matched for use, so that the effect of transmission shaft torque transmission in complex spatial distribution can be realized; the liquid guide pipe is connected with the driving gear, the power input shaft in the gearbox is separated, the mounting flexibility of the gearbox is improved, and the liquid guide pipe type gearbox has a better application prospect.
Aiming at a torque hydraulic conversion mechanism, one end of a connecting rod is connected to a connecting rod journal, the other end of the connecting rod is connected with a hydraulic piston, and the hydraulic piston slides in a hydraulic cylinder; the torque hydraulic conversion mechanism converts the torque on the hydraulic first transmission shaft into the reciprocating motion of a hydraulic piston and a hydraulic cylinder through the matching of a connecting rod journal and a connecting rod on the crankshaft, further pushes the liquid in the liquid guide pipe to flow, generates liquid pressure and externally converts the liquid pressure to do work; in the invention, the torque hydraulic conversion mechanism can convert the torque of the rotating shaft into the pressure of liquid, and the pressure of the liquid is transmitted to the other torque hydraulic conversion mechanism through the liquid guide pipe to convert the pressure of the liquid into the torque of the rotating shaft, thereby playing the role of transmitting the torque of the two rotating shafts which are spatially distributed; the structure is simple, and the function of rotating shaft torque transmission in complex spatial distribution can be realized.
Compared with the traditional wheel technology, the three tire pressure adjusting mechanisms are uniformly arranged on the inner edge surface of the hub in the circumferential direction, the pistons are arranged in the tire pressure adjusting mechanisms, one ends of the pistons are communicated with the interior of the tire, the positions of the pistons in the tire pressure adjusting mechanisms relative to the side walls of the tire pressure adjusting mechanisms are adjusted, the gas pressure in the tire can be adjusted, and the comfort of the tire is further changed to a certain degree; in addition, when the tire pressure of the tire is insufficient, the piston in the tire pressure regulating mechanism can be regulated to ensure that the tire pressure of the tire is within a standard pressure range. The invention uses three tire pressure adjusting mechanisms to adjust the tire pressure of the tire, has simple structure and better practical effect.
Drawings
FIG. 1 is a schematic distribution diagram of the whole components of the chassis of the electric automobile.
Fig. 2 is an external view of the torque hydraulic conversion mechanism.
Fig. 3 is a schematic external view of a hydraulic side outer wall.
Fig. 4 is a cross-sectional view of the hydraulic side outer wall.
Fig. 5 is a cross-sectional view of the torque hydraulic conversion mechanism.
FIG. 6 is a schematic view of a connecting rod journal installation.
FIG. 7 is a side view of a connecting rod journal installation.
Fig. 8 is a schematic view of a hydraulic cylinder structure.
Fig. 9 is a schematic view of a hydraulic piston installation.
Fig. 10 is a schematic view of the connection plate mounting.
FIG. 11 is a side perspective view of a connecting rod, connecting rod journal mounting.
Fig. 12 is an external view of the transmission case.
FIG. 13 is a schematic illustration of a transmission drive gear installation.
FIG. 14 is a schematic view of a transmission case lateral slip mount installation.
FIG. 15 is a transmission longitudinal slide mount schematic.
FIG. 16 is a schematic view of the installation of the transverse drive screw and the transverse slide rail.
Fig. 17 is a schematic view of the structure of the lateral sliding base.
Fig. 18 is a schematic view of the structure of the longitudinal sliding base 1.
Fig. 19 is a schematic view of the structure of the longitudinal sliding base 2.
Fig. 20 is a plan view of the driving gear movement pattern.
Fig. 21 is a schematic view of an electric vehicle chassis.
Fig. 22 is a schematic view showing the arrangement of the wheel unit.
Fig. 23 is a sectional view of the tire pressure regulating mechanism.
Fig. 24 is a tire pressure regulating mechanism mounting diagram.
Fig. 25 is a perspective view of the tire pressure regulating mechanism.
Fig. 26 is a schematic view of a tire pressure regulating mechanism transmission manner.
Number designation in the figures: 1. a hydrodynamic first drive shaft, 2, a hydrodynamic driveshaft sleeve, 3, a hydrodynamic side outer wall, 4, a fluid inlet/outlet, 5, a hydrodynamic top cover, 6, a hydrodynamic bottom plate, 7, a first connecting plate, 8, a first connecting rod journal, 9, a first connecting rod, 10, a second connecting plate, 11, a third connecting plate, 12, a second connecting rod journal, 13, a second connecting rod, 14, a fourth connecting plate, 15, a hydrodynamic cylinder, 16, a connecting rod cylindrical pin, 17, a connecting rod lug, 18, a hydrodynamic piston, 19, a hydrodynamic cylinder bottom plate, 21, a transmission fluid inlet/outlet, 22, a transmission side wall, 23, a transmission top cover, 24, a transmission shaft support wall, 25, a transmission shaft, 26, a second torque hydraulic conversion mechanism, 27, a torque conversion mechanism support, 28, a drive gear, 29, a drive gear support, 30, a transverse drive screw, 31, a transverse drive motor, 32, a hydraulic drive shaft support, a hydraulic cylinder shaft, a hydraulic cylinder, a hydraulic drive shaft, a hydraulic drive shaft, a hydraulic drive shaft, a hydraulic drive shaft, a hydraulic drive motor, a, A transmission case bottom plate, 33, a first transmission gear, 34, a second transmission gear, 35, a third transmission gear, 36, a transverse sliding base, 37, a longitudinal sliding guide rail, 38, a longitudinal sliding base, 39, a longitudinal driving motor, 40, a transverse sliding guide rail, 41, a hydraulic second transmission shaft, 42, a transverse sliding chute, 43, a longitudinal screw support, 44, a transverse driving screw hole, 45, a longitudinal driving screw, 46, a longitudinal driving motor support, 47, a longitudinal driving screw hole, 48, a longitudinal sliding chute, 49, a liquid conduit, 51, a tire, 52, a tire pressure regulating mechanism, 53, a hub, 54, a tire pressure regulating mechanism cover plate, 55, a tire pressure regulating mechanism reciprocating rack, 56, a tire pressure regulating mechanism gear, 57, a tire pressure regulating mechanism side wall, 58, a tire pressure regulating mechanism piston, 59, a tire pressure regulating mechanism power, 60, a tire pressure regulating mechanism power rotating shaft, 61. the damping plate spring 62, the first torque hydraulic conversion mechanism 63, the gearbox 64, the wheels 65, the chassis cross beam 66, the chassis longitudinal beam 67, the universal joint 68, the rear wheel driving shaft 69, the differential 70, the rear wheel rotating shaft 71, the rear wheel rotating shaft sleeve 72, the rear wheel driving motor 73 and the differential fixing structure.
Detailed Description
As shown in fig. 1 and 21, an electric vehicle based on a manual transmission is characterized in that: the hydraulic transmission device comprises a damping plate spring, a first torque hydraulic conversion mechanism, a gearbox, wheels, chassis cross beams, chassis longitudinal beams, a universal joint, a rear wheel driving shaft, a differential mechanism, a rear wheel rotating shaft sleeve, a rear wheel driving motor, a differential mechanism fixing structure and a liquid guide pipe, wherein the four chassis cross beams are sequentially and equidistantly arranged between the two chassis longitudinal beams, and the rear wheel driving motor is arranged on the chassis cross beams; the first torque hydraulic conversion mechanism is arranged on the chassis beam and is connected with a rotating shaft of a rear wheel driving motor; the gearbox is arranged on the chassis cross beam and connected with the first torque hydraulic conversion mechanism through a liquid guide pipe; one end of the universal joint is arranged on a rotating shaft of the gearbox, and the other end of the universal joint is arranged on a driving shaft of the rear wheel; the rear wheel drive shaft is arranged on a differential mechanism, and the differential mechanism is arranged on a chassis beam through a differential mechanism fixing structure; the two damping plate springs are oppositely and respectively arranged at the rear ends of the two chassis longitudinal beams, a rear wheel rotating shaft sleeve is arranged at the lower end of the damping plate spring, a rear wheel rotating shaft is arranged in the rear wheel rotating shaft sleeve and is connected with a differential mechanism, and wheels are arranged on a rear wheel rotating shaft;
the torque hydraulic conversion mechanism can convert energy between the torque of the rotating shaft and the flow of liquid, the first torque hydraulic conversion mechanism converts the rotating speed and the torque of the power source power input shaft into the reciprocating flow of the liquid in the liquid guide pipe, the reciprocating flow of the liquid is communicated with the second torque hydraulic conversion mechanism in the gearbox through the liquid guide pipe, the reciprocating flow of the liquid is converted into the rotating speed and the torque of the rotating shaft again under the action of the second torque hydraulic conversion mechanism, and the speed change is further realized through the gear. The design of the torque hydraulic conversion mechanism is beneficial to more flexibility in the layout of the chassis of the electric automobile.
As shown in fig. 5, the first torque hydraulic conversion mechanism includes a hydraulic first transmission shaft, a hydraulic transmission shaft sleeve, a hydraulic side outer wall, a liquid inlet and outlet, a hydraulic top cover, a hydraulic bottom plate, a first connecting rod journal, a first connecting rod, a second connecting plate, a third connecting plate, a second connecting rod journal, a second connecting rod, a fourth connecting plate, a hydraulic cylinder, a connecting rod cylindrical pin, a connecting rod support lug, a hydraulic piston, and a hydraulic cylinder bottom plate, wherein as shown in fig. 1, the hydraulic first transmission shaft is mounted inside the hydraulic transmission shaft sleeve through a bearing, the hydraulic transmission shaft sleeve is mounted on one side of the hydraulic side outer wall, as shown in fig. 2 and 3, the hydraulic side outer wall is surrounded by four flat plates, the hydraulic top cover is mounted on the top end of the hydraulic side outer wall, and the hydraulic bottom plate is mounted on the bottom end of the hydraulic side outer wall; as shown in fig. 6 and 10, the first connecting plate is mounted on the end face of the hydraulic first transmission shaft; one end of the first connecting rod journal is arranged on the first connecting plate, and the other end of the first connecting rod journal is arranged on the second connecting plate; the third connecting plate is arranged on the second connecting plate; one end of the second connecting rod journal is arranged on the third connecting plate, and the other end of the second connecting rod journal is arranged on the fourth connecting plate; as shown in fig. 7 and 9, one end of the first connecting rod is mounted on the first connecting rod journal, and the other end is mounted on the connecting rod cylindrical pin; as shown in fig. 7 and 9, one end of the second connecting rod is mounted on the second connecting rod journal, the other end is mounted on the connecting rod cylindrical pin, and the connecting rod cylindrical pins respectively connected with the first connecting rod and the second connecting rod are not the same cylindrical pin; as shown in fig. 8, the hydraulic cylinders are two cylinder bodies which are arranged in parallel and have square cross sections, the bottom plate of the hydraulic cylinder is installed at the bottom end of the hydraulic cylinder, a hydraulic piston is installed in each hydraulic cylinder, a connecting rod support lug is installed at the upper end of each hydraulic piston, and the two connecting rod support lugs are respectively connected with the first connecting rod and the second connecting rod through cylindrical pins; the hydraulic cylinder bottom plate is arranged on the hydraulic bottom plate; two round holes are formed in the hydraulic cylinder bottom plate and correspond to the centers of the two cylinder bodies in the hydraulic cylinder respectively, and the two liquid inlets and the two liquid outlets are installed on the two round holes in the hydraulic cylinder bottom plate respectively and penetrate through the hydraulic bottom plate. As shown in fig. 1, the liquid inlet and outlet are connected to a liquid conduit; the hydraulic first transmission shaft is connected with a rotating shaft of a rear wheel driving motor.
The hydraulic first transmission shaft is an input shaft, and the rotation kinetic energy on the transmission shaft drives a connecting rod journal fixed on a connecting plate to rotate around the axis of the transmission shaft, so that a hydraulic piston is driven to reciprocate in a hydraulic cylinder; the two torque hydraulic conversion mechanisms respectively comprise two hydraulic pistons and hydraulic cylinders, the liquid guide pipe is used for connecting a liquid inlet and a liquid outlet between the two torque hydraulic conversion mechanisms, so that two independent closed spaces are formed between the space between the hydraulic piston and the hydraulic cylinder bottom plate between the two torque hydraulic conversion mechanisms and between the liquid guide pipes, the liquid in the closed spaces flows back and forth by the back and forth pushing of the hydraulic pistons, and the normal back and forth flow of the liquid can be ensured only by coordinating the motion of the two hydraulic pistons distributed in different torque hydraulic conversion mechanisms in each closed space because the volume of the liquid is unchanged under certain pressure, so that the rotating speed and the torque of the rotating shaft in the two torque hydraulic conversion mechanisms are indirectly ensured to be consistent. When the hydraulic first transmission shaft of one torque hydraulic conversion mechanism rotates, the hydraulic first transmission shaft of the other torque hydraulic conversion mechanism is inevitably driven to rotate at the same rotating speed and torque, and the transmission of the space rotating shaft is realized.
As shown in fig. 13, 14 and 15, the above-mentioned transmission case includes a transmission case liquid inlet/outlet, a transmission case side wall, a transmission case top cover, a transmission case rotation shaft support wall, a transmission case rotation shaft, a second torque hydraulic conversion mechanism, a torque conversion mechanism support, a drive gear support, a transverse drive screw, a transverse drive motor, a transmission case bottom plate, a first transmission gear, a second transmission gear, a third transmission gear, a transverse slide base, a longitudinal slide guide rail, a longitudinal slide base, a longitudinal drive motor, a transverse slide guide rail, a hydraulic second transmission shaft, a transverse slide chute, a longitudinal screw support, a transverse drive screw bolt hole, a longitudinal drive screw bolt, a longitudinal drive motor support, a longitudinal drive screw bolt hole, a longitudinal slide chute and a liquid conduit, wherein as shown in fig. 12, two transmission case liquids are installed on the transmission case side wall, the two transmission case side walls are oppositely arranged at two ends of the transmission case bottom plate, and the two transmission case rotating shaft supporting walls are oppositely arranged on the transmission case bottom plate; as shown in fig. 13, two ends of the transmission shaft are mounted on the transmission shaft supporting walls on two sides, one end of the transmission shaft does not extend out of the outer surface of the transmission shaft supporting wall, and the other end of the transmission shaft extends out of the outer surface of the transmission shaft supporting wall; the first transmission gear, the second transmission gear and the third transmission gear are sequentially arranged on a rotating shaft of the gearbox at equal intervals; as shown in fig. 16, the transverse driving motor is installed on one side of the bottom plate of the gearbox; one end of the transverse driving screw is arranged on a rotating shaft of the transverse driving motor, and the other end of the transverse driving screw is arranged on a supporting wall of the rotating shaft of the gearbox; the transverse sliding guide rail is arranged on the bottom plate of the gearbox and is superposed with the projection of the transverse driving screw on the bottom plate of the gearbox; as shown in fig. 17, the bottom end of the transverse sliding base is provided with a transverse sliding chute, a transverse driving screw bolt hole is formed above the transverse sliding chute on the transverse sliding base, the transverse sliding chute is matched with the transverse sliding guide rail, and the transverse driving screw bolt hole is matched with the transverse driving screw; the longitudinal sliding guide rail is arranged on the upper surface of the transverse sliding base, and the longitudinal driving motor is supported and arranged on one side of the upper surface of the transverse sliding base through the longitudinal driving motor; the longitudinal screw rod is supported and installed on one side of the upper surface of the transverse sliding base and is opposite to the longitudinal driving motor; one end of the longitudinal driving screw is arranged on a rotating shaft of the longitudinal driving motor, and the other end of the longitudinal driving screw is arranged on the longitudinal screw support; as shown in fig. 18 and 19, the bottom end of the longitudinal sliding base is provided with a longitudinal sliding chute, and is matched with the longitudinal sliding guide rail; the driving gear support is arranged on the longitudinal sliding base, and a longitudinal driving screw bolt hole is formed in the lower side of the driving gear support and matched with the longitudinal driving screw; the torque conversion mechanism is supported and installed on the longitudinal sliding base, the second torque hydraulic conversion mechanism is installed on the torque conversion mechanism support, the internal structure of the second torque hydraulic conversion mechanism is completely the same as that of the first torque hydraulic conversion mechanism, the installation mode of one end of a hydraulic second transmission shaft and the second torque hydraulic conversion mechanism is completely the same as that of the hydraulic first transmission shaft and the first torque hydraulic conversion mechanism, the other end of the hydraulic second transmission shaft is also installed on a driving gear support, and the driving gear is installed on the hydraulic second transmission shaft; and a liquid inlet and a liquid outlet on the second torque hydraulic conversion mechanism are connected with a liquid inlet and a liquid outlet of the gearbox through a liquid guide pipe.
In the invention, the power of the motor power source is transmitted by the hydraulic transmission of two torque hydraulic conversion mechanisms, as shown in figure 1, the motor power is transmitted to a driving gear in a gearbox by a liquid conduit, and the driving gear is arranged on a combined base which can move transversely and longitudinally; the base can move along the transverse guide rail and the longitudinal guide rail with two degrees of freedom to realize the movement at any position on a plane, as shown in fig. 20, the driving gear can move along the plane of the base to selectively drive three transmission gears with different radiuses on a rotating shaft of the gearbox, so as to realize the speed change, a in fig. 20, the driving gear is meshed with the second transmission gear, fig. 20 b is meshed with the third transmission gear, and fig. 20 c is meshed with the first transmission gear. The gearbox of the present invention is structurally simple to benefit from the transmission technology of the driving gear in motion, which uses a torque hydraulic conversion mechanism.
As shown in fig. 22, it includes a tire, a tire pressure regulating mechanism, and a hub, wherein the tire is mounted on the outer edge of the hub, and the tire pressure regulating mechanism is mounted on the inner edge of the hub. As shown in fig. 23 and 24, the tire pressure regulating mechanism includes a tire pressure regulating mechanism cover plate, a tire pressure regulating mechanism reciprocating rack, a tire pressure regulating mechanism gear, a tire pressure regulating mechanism side wall, a tire pressure regulating mechanism piston, a tire pressure regulating mechanism power, and a tire pressure regulating mechanism power rotating shaft, wherein as shown in fig. 23, the tire pressure regulating mechanism side wall is installed on a wheel hub, and one end of the tire pressure regulating mechanism side wall is communicated with the inside of a tire, and the other end of the tire pressure regulating mechanism side wall is communicated with the atmosphere; the tire pressure regulating mechanism cover plate is arranged at the upper end of the side wall of the tire pressure regulating mechanism, and as shown in fig. 23 and 25, the tire pressure regulating mechanism piston is arranged inside the side wall of the tire pressure regulating mechanism; as shown in fig. 23 and 26, one end of the reciprocating rack of the tire pressure regulating mechanism is installed on the upper side of the piston of the tire pressure regulating mechanism, and the other end penetrates out of the cover plate of the tire pressure regulating mechanism; the tire pressure regulating mechanism gear is arranged on the power rotating shaft of the tire pressure regulating mechanism and is meshed with the reciprocating rack of the tire pressure regulating mechanism; the tire pressure regulating mechanism is dynamically arranged on the inner edge surface of the hub, and the power rotating shaft of the tire pressure regulating mechanism is arranged on the power of the tire pressure regulating mechanism.
In the present invention, as shown in fig. 23, the inner space of the tire includes the inner space of the tire itself and the space between the piston and the sidewall in the tire pressure regulating mechanism, the inner space of the tire is not changed, but the space between the piston and the sidewall in the tire pressure regulating mechanism can be regulated by the movement of the piston driven by the gear and the rack of the tire pressure regulating mechanism. The tire pressure can be adjusted under the condition that the gas quality in the tire is certain, and then the tire pressure can be adjusted, so that the tire pressure can be supplemented when the tire pressure is insufficient or the tire pressure can be adjusted according to the requirements of a driver, and the motion performance and the comfort level of the automobile can be met.
As shown in fig. 22, the tire pressure regulating mechanisms are three and are circumferentially and uniformly mounted on the inner edge surface of the hub. The three tire pressure adjusting mechanisms are uniformly arranged on the inner edge of the hub in the circumferential direction, so that the movement stability of the automobile wheel can be ensured, and the effect of balancing and rotating the wheel is achieved.
The relative positions of the piston of the tire pressure regulating mechanism and the side wall of the tire pressure regulating mechanism in the three tire pressure regulating mechanisms must be completely consistent. The movement of the pistons of the tire pressure regulating mechanisms inevitably affects the balance of the whole wheel, and the regulating mode that the three pistons of the tire pressure regulating mechanisms are at the same position at the same time plays an important role in the dynamic balance of the wheel.
The power of the tire pressure regulating mechanism can be a combination of a motor and a miniature battery.
The liquid conduit may be a hose capable of withstanding a liquid pressure, or may be a metal pipe. If the spatial positions of the two hydraulic first transmission shafts are changed, the liquid guide pipe can be a flexible shaft, and conversely, a metal pipe is selected.
The comprehensive gravity center of the first connecting plate, the second connecting plate and the first connecting rod shaft neck is on the extension line of the hydraulic first transmission shaft axis; the comprehensive gravity center of the third connecting plate, the fourth connecting plate and the second connecting rod shaft neck is on the extension line of the axis of the hydraulic first transmission shaft. The connecting plate serves as a requirement for mounting the connecting rod journal on one hand, and balances the vibration generated by the rotation of the connecting rod journal during rotation on the other hand, so that the mechanism is prevented from resonance.
As shown in fig. 11, the plane formed by the first connecting rod journal axis and the hydrodynamic first drive shaft axis and the plane formed by the second connecting rod journal axis and the hydrodynamic first drive shaft axis are perpendicular to each other. The design can enable the two pistons to move to generate a phase, and dead points are prevented from being generated when the liquid flow is converted into the torque of the transmission shaft.
The length of the shaft sleeve of the hydraulic transmission shaft is more than 1 time of the length of the journal of the first connecting rod. The appropriate lengthening of the shaft sleeve enables the hydrodynamic first drive shaft to be stabilized, since the two connecting rod journals in the design are integrally fixed unilaterally on the end faces of the hydrodynamic drive shaft.
In summary, the following steps:
according to the invention, a chassis cross beam and a chassis longitudinal beam are combined to form an automobile chassis frame, a rear wheel driving motor, a gearbox, a differential, a rear wheel rotating shaft, wheels and the like are arranged on the chassis frame, the rear wheel driving motor transmits the motor torque to the gearbox through a first torque hydraulic conversion mechanism, and the gearbox drives the automobile wheels through three-gear speed change; the wheel has used three tire pressure adjustment mechanism, can guarantee that tire pressure is in standard tire pressure, can also and then improve the comfort level of wheel through adjusting tire pressure in addition. The invention has simple structure, can realize the application of the low-power motor on the electric automobile through the three-gear gearbox, and has better practical effect.
The gearbox is designed to be in three gears and is respectively completed by three transmission gears and one driving gear in a meshed mode; the driving gear is arranged on the combined base which can move transversely and longitudinally, and the driving gear selectively drives one of the three transmission gears along with the planar movement of the base to realize variable transmission ratio and further realize variable speed; the driving gear realizes transmission through the torque hydraulic conversion mechanism, the torque hydraulic conversion mechanism converts energy between rotation of the transmission shaft and reciprocating flow of liquid, and the two torque hydraulic conversion mechanisms are matched for use, so that the effect of transmission shaft torque transmission in complex spatial distribution can be realized; the liquid guide pipe is connected with the driving gear, the power input shaft in the gearbox is separated, the mounting flexibility of the gearbox is improved, and the liquid guide pipe type gearbox has a better application prospect.
Aiming at a torque hydraulic conversion mechanism, one end of a connecting rod is connected to a connecting rod journal, the other end of the connecting rod is connected with a hydraulic piston, and the hydraulic piston slides in a hydraulic cylinder; the torque hydraulic conversion mechanism converts the torque on the hydraulic first transmission shaft into the reciprocating motion of a hydraulic piston and a hydraulic cylinder through the matching of a connecting rod journal and a connecting rod on the crankshaft, further pushes the liquid in the liquid guide pipe to flow, generates liquid pressure and externally converts the liquid pressure to do work; in the invention, the torque hydraulic conversion mechanism can convert the torque of the rotating shaft into the pressure of liquid, and the pressure of the liquid is transmitted to the other torque hydraulic conversion mechanism through the liquid guide pipe to convert the pressure of the liquid into the torque of the rotating shaft, thereby playing the role of transmitting the torque of the two rotating shafts which are spatially distributed; the structure is simple, and the function of rotating shaft torque transmission in complex spatial distribution can be realized.
According to the invention, the three tire pressure regulating mechanisms are uniformly arranged on the inner edge surface of the hub in the circumferential direction, the pistons are arranged in the tire pressure regulating mechanisms, one ends of the pistons are communicated with the interior of the tire, the positions of the pistons in the tire pressure regulating mechanisms relative to the side walls of the tire pressure regulating mechanisms are regulated, the gas pressure in the tire can be regulated, and the comfort of the tire is further changed to a certain extent; in addition, when the tire pressure of the tire is insufficient, the piston in the tire pressure regulating mechanism can be regulated to ensure that the tire pressure of the tire is within a standard pressure range. The invention uses three tire pressure adjusting mechanisms to adjust the tire pressure of the tire, has simple structure and better practical effect.
Claims (1)
1. The utility model provides an electric automobile based on manual transmission which characterized in that: the hydraulic transmission device comprises a damping plate spring, a first torque hydraulic conversion mechanism, a gearbox, wheels, chassis cross beams, chassis longitudinal beams, a universal joint, a rear wheel driving shaft, a differential mechanism, a rear wheel rotating shaft sleeve, a rear wheel driving motor, a differential mechanism fixing structure and a liquid guide pipe, wherein the four chassis cross beams are sequentially and equidistantly arranged between the two chassis longitudinal beams, and the rear wheel driving motor is arranged on the chassis cross beams; the first torque hydraulic conversion mechanism is arranged on the chassis beam and is connected with a rotating shaft of a rear wheel driving motor; the gearbox is arranged on the chassis cross beam and connected with the first torque hydraulic conversion mechanism through a liquid guide pipe; one end of the universal joint is arranged on a rotating shaft of the gearbox, and the other end of the universal joint is arranged on a driving shaft of the rear wheel; the rear wheel drive shaft is arranged on a differential mechanism, and the differential mechanism is arranged on a chassis beam through a differential mechanism fixing structure; the two damping plate springs are oppositely and respectively arranged at the rear ends of the two chassis longitudinal beams, a rear wheel rotating shaft sleeve is arranged at the lower end of the damping plate spring, a rear wheel rotating shaft is arranged in the rear wheel rotating shaft sleeve and is connected with a differential mechanism, and wheels are arranged on a rear wheel rotating shaft;
the first torque hydraulic conversion mechanism comprises a hydraulic first transmission shaft, a hydraulic transmission shaft sleeve, a hydraulic side outer wall, a liquid inlet and outlet, a hydraulic top cover, a hydraulic bottom plate, a first connecting rod journal, a first connecting rod, a second connecting plate, a third connecting plate, a second connecting rod journal, a second connecting rod, a fourth connecting plate, a hydraulic cylinder, a connecting rod cylindrical pin, a connecting rod support lug, a hydraulic piston and a hydraulic cylinder bottom plate, wherein the hydraulic first transmission shaft is installed inside the hydraulic transmission shaft sleeve through a bearing, the hydraulic transmission shaft sleeve is installed on one side of the hydraulic side outer wall, the hydraulic side outer wall is enclosed by four flat plates, the hydraulic top cover is installed at the top end of the hydraulic side outer wall, and the hydraulic bottom plate is installed at the bottom end of the hydraulic side outer wall; the first connecting plate is arranged on the end face of the hydraulic first transmission shaft; one end of the first connecting rod journal is arranged on the first connecting plate, and the other end of the first connecting rod journal is arranged on the second connecting plate; the third connecting plate is arranged on the second connecting plate; one end of the second connecting rod journal is arranged on the third connecting plate, and the other end of the second connecting rod journal is arranged on the fourth connecting plate; one end of the first connecting rod is arranged on the first connecting rod journal, and the other end of the first connecting rod is arranged on the connecting rod cylindrical pin; one end of a second connecting rod is arranged on a second connecting rod journal, the other end of the second connecting rod is arranged on a connecting rod cylindrical pin, and the connecting rod cylindrical pins respectively connected with the first connecting rod and the second connecting rod are not the same cylindrical pin; the hydraulic cylinders are two square cylinder bodies with cross sections arranged in parallel, the hydraulic cylinder bottom plate is installed at the bottom end of each hydraulic cylinder, a hydraulic piston is installed in each hydraulic cylinder, a connecting rod support lug is installed at the upper end of each hydraulic piston, and the two connecting rod support lugs are respectively connected with the first connecting rod and the second connecting rod through cylindrical pins; the hydraulic cylinder bottom plate is arranged on the hydraulic bottom plate; two round holes are formed in the hydraulic cylinder bottom plate, the two round holes correspond to the centers of the two cylinder bodies in the hydraulic cylinder respectively, and the two liquid inlets and the two liquid outlets are installed on the two round holes in the hydraulic cylinder bottom plate respectively and penetrate through the hydraulic bottom plate; the liquid inlet and outlet are connected with the liquid guide pipe; the hydraulic first transmission shaft is connected with a rotating shaft of a rear wheel driving motor;
the gearbox comprises a gearbox liquid inlet and outlet, gearbox side walls, a gearbox top cover, a gearbox rotating shaft supporting wall, a gearbox rotating shaft, a second torque hydraulic conversion mechanism, a torque conversion mechanism support, a driving gear support, a transverse driving screw, a transverse driving motor, a gearbox bottom plate, a first transmission gear, a second transmission gear, a third transmission gear, a transverse sliding base, a longitudinal sliding guide rail, a longitudinal sliding base, a longitudinal driving motor, a transverse sliding guide rail, a hydraulic second transmission shaft, a transverse sliding chute, a longitudinal screw support, a transverse driving screw bolt hole, a longitudinal driving motor support, a longitudinal driving screw bolt hole, a longitudinal sliding chute and a liquid guide pipe, wherein the two gearbox liquid inlet and outlet are arranged on the gearbox side walls, the two gearbox side walls are oppositely arranged at the two ends of the gearbox bottom plate, the two transmission case rotating shaft supporting walls are oppositely arranged on a transmission case bottom plate; two ends of a rotating shaft of the gearbox are arranged on the supporting walls of the rotating shaft of the gearbox on two sides, one end of the rotating shaft of the gearbox does not extend out of the outer surface of the supporting wall of the rotating shaft of the gearbox, and the other end of the rotating shaft of the gearbox extends out of the outer surface of the supporting wall of the rotating shaft of the gearbox; the first transmission gear, the second transmission gear and the third transmission gear are sequentially arranged on a rotating shaft of the gearbox at equal intervals; the transverse driving motor is arranged on one side of the gearbox bottom plate; one end of the transverse driving screw is arranged on a rotating shaft of the transverse driving motor, and the other end of the transverse driving screw is arranged on a supporting wall of the rotating shaft of the gearbox; the transverse sliding guide rail is arranged on the bottom plate of the gearbox and is superposed with the projection of the transverse driving screw on the bottom plate of the gearbox; the bottom end of the transverse sliding base is provided with a transverse sliding chute, a transverse driving screw bolt hole is formed above the transverse sliding chute on the transverse sliding base, the transverse sliding chute is matched with the transverse sliding guide rail, and the transverse driving screw bolt hole is matched with the transverse driving screw; the longitudinal sliding guide rail is arranged on the upper surface of the transverse sliding base, and the longitudinal driving motor is supported and arranged on one side of the upper surface of the transverse sliding base through the longitudinal driving motor; the longitudinal screw rod is supported and installed on one side of the upper surface of the transverse sliding base and is opposite to the longitudinal driving motor; one end of the longitudinal driving screw is arranged on a rotating shaft of the longitudinal driving motor, and the other end of the longitudinal driving screw is arranged on the longitudinal screw support; the bottom end of the longitudinal sliding base is provided with a longitudinal sliding chute and is matched with the longitudinal sliding guide rail; the driving gear support is arranged on the longitudinal sliding base, and a longitudinal driving screw bolt hole is formed in the lower side of the driving gear support and matched with the longitudinal driving screw; the torque conversion mechanism is supported and installed on the longitudinal sliding base, the second torque hydraulic conversion mechanism is installed on the torque conversion mechanism support, the internal structure of the second torque hydraulic conversion mechanism is completely the same as that of the first torque hydraulic conversion mechanism, the installation mode of one end of a hydraulic second transmission shaft and the second torque hydraulic conversion mechanism is completely the same as that of the hydraulic first transmission shaft and the first torque hydraulic conversion mechanism, the other end of the hydraulic second transmission shaft is also installed on a driving gear support, and the driving gear is installed on the hydraulic second transmission shaft; a liquid inlet and a liquid outlet on the second torque hydraulic conversion mechanism are connected with a liquid inlet and a liquid outlet of the gearbox through a liquid guide pipe;
the wheel comprises a tire, a tire pressure regulating mechanism and a hub, wherein the tire is arranged at the outer edge of the hub, and the tire pressure regulating mechanism is arranged at the inner edge of the hub; the tire pressure regulating mechanism comprises a tire pressure regulating mechanism cover plate, a tire pressure regulating mechanism reciprocating rack, a tire pressure regulating mechanism gear, a tire pressure regulating mechanism side wall, a tire pressure regulating mechanism piston, tire pressure regulating mechanism power and a tire pressure regulating mechanism power rotating shaft, wherein the tire pressure regulating mechanism side wall is arranged on a wheel hub, one end of the tire pressure regulating mechanism side wall is communicated with the interior of a tire, and the other end of the tire pressure regulating mechanism side wall is communicated with the atmosphere; the tire pressure regulating mechanism cover plate is arranged at the upper end of the side wall of the tire pressure regulating mechanism, and the tire pressure regulating mechanism piston is arranged in the side wall of the tire pressure regulating mechanism; one end of a reciprocating rack of the tire pressure regulating mechanism is arranged on the upper side of a piston of the tire pressure regulating mechanism, and the other end of the reciprocating rack penetrates out of a cover plate of the tire pressure regulating mechanism; the tire pressure regulating mechanism gear is arranged on the power rotating shaft of the tire pressure regulating mechanism and is meshed with the reciprocating rack of the tire pressure regulating mechanism; the tire pressure regulating mechanism is dynamically arranged on the inner edge surface of the hub, and the power rotating shaft of the tire pressure regulating mechanism is arranged on the power of the tire pressure regulating mechanism;
the tire pressure regulating mechanisms are three and are circumferentially and uniformly arranged on the inner edge surface of the wheel hub, the relative positions of the pistons of the tire pressure regulating mechanisms in the three tire pressure regulating mechanisms and the side walls of the tire pressure regulating mechanisms must be completely consistent, and the power of the tire pressure regulating mechanisms is a combination of a motor and a micro battery;
the plane formed by the axis of the first connecting rod journal and the axis of the hydraulic first transmission shaft and the plane formed by the axis of the second connecting rod journal and the axis of the hydraulic first transmission shaft are vertical to each other;
the liquid conduit is a hose capable of withstanding liquid pressure; the comprehensive gravity center of the first connecting plate, the second connecting plate and the first connecting rod shaft neck is on the extension line of the hydraulic first transmission shaft axis; the comprehensive gravity center of the third connecting plate, the fourth connecting plate and the second connecting rod journal is on the extension line of the axis of the hydraulic first transmission shaft; the length of the shaft sleeve of the hydraulic transmission shaft is more than 1 time of the length of the journal of the first connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810108539.7A CN108327528B (en) | 2016-01-27 | 2016-01-27 | Electric automobile |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055650.5A CN105711410B (en) | 2016-01-27 | 2016-01-27 | A kind of speed changing type electric automobile |
| CN201810108539.7A CN108327528B (en) | 2016-01-27 | 2016-01-27 | Electric automobile |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610055650.5A Division CN105711410B (en) | 2016-01-27 | 2016-01-27 | A kind of speed changing type electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN108327528A CN108327528A (en) | 2018-07-27 |
| CN108327528B true CN108327528B (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610055650.5A Active CN105711410B (en) | 2016-01-27 | 2016-01-27 | A kind of speed changing type electric automobile |
| CN201810108539.7A Active CN108327528B (en) | 2016-01-27 | 2016-01-27 | Electric automobile |
| CN201810107679.2A Withdrawn CN108312844A (en) | 2016-01-27 | 2016-01-27 | A kind of wheel |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610055650.5A Active CN105711410B (en) | 2016-01-27 | 2016-01-27 | A kind of speed changing type electric automobile |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810107679.2A Withdrawn CN108312844A (en) | 2016-01-27 | 2016-01-27 | A kind of wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109080421B (en) * | 2018-05-11 | 2020-04-28 | 海门黄海创业园服务有限公司 | Rear wheel driving system for reducing carsickness for electric bus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696578U (en) * | 2010-05-28 | 2011-01-05 | 王海鹏 | Hydraulic speed reducer |
| CN102748453A (en) * | 2012-07-17 | 2012-10-24 | 湖南长重机器股份有限公司 | Hydraulic variable-speed transmission device |
| CN202579889U (en) * | 2012-04-26 | 2012-12-05 | 李铁 | Modularized hydraulic transmission mechanism |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106491A (en) * | 1985-08-30 | 1986-12-31 | 李向利 | Hydraulic transmission increases the merit reciprocating engine step by step |
| CN2095970U (en) * | 1991-03-23 | 1992-02-12 | 黄钦祥 | Speed regulating device |
| CN1179392A (en) * | 1997-06-16 | 1998-04-22 | 俎宏伟 | Vehicle wheel driving mode and power transmission arrangement thereof |
| US20030221887A1 (en) * | 2002-06-04 | 2003-12-04 | Chun-Pu Hsu | Electric wheel structure capable of being directly driven by power of motor |
| CN103072479A (en) * | 2013-01-30 | 2013-05-01 | 长城汽车股份有限公司 | Four-wheel drive differential mechanism and automobile applying same |
| CN104553636A (en) * | 2014-12-24 | 2015-04-29 | 张月妹 | Tire pressure control system and tire pressure control method |
| CN204567262U (en) * | 2015-03-12 | 2015-08-19 | 济南大学 | Adopt the automobile of novel vehicle bridge |
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2016
- 2016-01-27 CN CN201610055650.5A patent/CN105711410B/en active Active
- 2016-01-27 CN CN201810108539.7A patent/CN108327528B/en active Active
- 2016-01-27 CN CN201810107679.2A patent/CN108312844A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696578U (en) * | 2010-05-28 | 2011-01-05 | 王海鹏 | Hydraulic speed reducer |
| CN202579889U (en) * | 2012-04-26 | 2012-12-05 | 李铁 | Modularized hydraulic transmission mechanism |
| CN102748453A (en) * | 2012-07-17 | 2012-10-24 | 湖南长重机器股份有限公司 | Hydraulic variable-speed transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105711410A (en) | 2016-06-29 |
| CN108312844A (en) | 2018-07-24 |
| CN105711410B (en) | 2018-01-02 |
| CN108327528A (en) | 2018-07-27 |
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