CN110481304B - Hybrid power type planetary gear slope slipping prevention device with relieving function - Google Patents
Hybrid power type planetary gear slope slipping prevention device with relieving function Download PDFInfo
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- CN110481304B CN110481304B CN201910792238.5A CN201910792238A CN110481304B CN 110481304 B CN110481304 B CN 110481304B CN 201910792238 A CN201910792238 A CN 201910792238A CN 110481304 B CN110481304 B CN 110481304B
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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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
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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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Structure Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The invention discloses a hybrid power type planetary gear slope slipping prevention device with a relieving function, which comprises a rack, a planetary speed change mechanism, a power input part, a power output part, a first clutch, a second clutch, a third clutch and a motor, wherein the rack is provided with a gear box; the planetary speed change mechanism is characterized in that the sun gear, the planet carrier and the gear ring in the planetary speed change mechanism are combined in any order and respectively correspond to a power input end, a power output end and an intermediate transmission part, the motor inputs power to a power output part, the power input part is matched with the power input end through a first clutch to realize power transmission, the power input part is matched with the power output part through a second clutch to realize power transmission, and the third clutch is used for contacting with a slope slipping prevention function; the invention can realize hybrid power drive of the vehicle, integrates the anti-slope-sliding mechanism into the speed reducer, realizes the anti-slope-sliding function through the self locking of the speed reducer, does not need to increase a related braking system, and simplifies the structure of the anti-slope-sliding mechanism.
Description
Technical Field
The invention relates to the field of vehicle engineering, in particular to a hybrid power type planetary gear slope slipping prevention device with a relieving function.
Background
When the motor vehicle stops or starts on an uphill road section, a component force which is parallel to the downhill surface, namely the resistance of the uphill surface, is generated due to the weight of the motor vehicle, and the resistance can enable the motor vehicle to slide backwards along the uphill surface, so that the situation is extremely unsafe. For a manual gear motor vehicle, a driver needs to make coordination among a parking brake, a clutch and an accelerator pedal when going up a slope, but the series of operation processes are complicated and difficult to master, and cannot be realized for a driver, and the inherent problem becomes a significant defect of an MT vehicle. For a vehicle equipped with an Automatic Transmission (AT) and a Continuously Variable Transmission (CVT), it is also required to have a hill-slip prevention function;
at present, a braking system with an uphill auxiliary function is usually adopted in a vehicle to be matched with operations such as braking and the like to prevent the vehicle from sliding down a slope; however, when the brake system with the uphill assist function is implemented, a related brake system needs to be added in a speed reducer or other components, so that the complexity of the brake system is increased, and the cost of the whole vehicle is increased;
the existing vehicle also adopts a power system consisting of a motor, a motor controller and related sensors to prevent the vehicle from sliding down a slope; in the implementation mode, the working state of the vehicle can be judged only by the vehicle firstly sliding down the slope for a short time and a short distance, and then the vehicle is controlled to enter the anti-sliding mode; therefore, the implementation mode has certain judgment delay, unreliable performance and safety risk;
therefore, there is a need for a hybrid planetary gear landslide prevention device with a relief function, which has a simple structure and reliable landslide prevention performance.
Disclosure of Invention
In view of the above, the present invention provides a hybrid planetary gear anti-creep device with a release function, in which the anti-creep mechanism has a simple structure and reliable anti-creep performance.
The invention discloses a hybrid power type planetary gear slope slipping prevention device with a relieving function, which comprises a rack, a planetary speed change mechanism, a power input part, a power output part, a first clutch, a second clutch, a third clutch and a motor, wherein the rack is provided with a gear box;
the planetary speed change mechanism comprises a sun gear, a planet carrier and a gear ring, wherein the sun gear, the planet carrier and the gear ring are combined in any sequence and respectively correspond to a power input end, a power output end and an intermediate transmission part, the motor inputs power to a power output part, the power input part is matched with the power input end through a first clutch to realize power transmission, the power input part is matched with the power output part through a second clutch to realize power transmission, and the third clutch is arranged between the intermediate transmission part and a frame or between the power output part and a to-be-driven part to realize power transmission or interruption;
furthermore, the first clutch and the second clutch are overrunning clutches, the power input part realizes one-way transmission from the power input part to the power input end through the first clutch, and the power output part realizes one-way transmission from the power output part to the power input part through the second clutch.
And the power input part is matched with an external power part through the fourth clutch to realize power transmission.
Further, the power input end, the power output end and the intermediate transmission component of the planetary speed change mechanism respectively correspond to the sun gear, the planet carrier and the gear ring.
Furthermore, the power input part and the power output part are of sleeve structures, the power input part is coaxially sleeved with the power output part, the first clutch is matched between the outer circle of the power input part and the inner circle of the sun gear, and the second clutch is matched between the outer circle of the power output part and the inner circle of the power input part.
Further, the power input part is of a stepped shaft sleeve structure, the first clutch is matched on the outer circle of the small-diameter section of the power input part, and the second clutch is matched on the inner circle of the large-diameter section of the power input part.
Furthermore, the outer circle of the large-diameter end of the power input part is provided with a flange which is formed by protruding outwards in the radial direction, and the flange is coaxially matched with the power output end of the fourth clutch in a transmission mode.
Furthermore, the third clutch and the fourth clutch are located on two axial sides of the planet wheel, and the flange plate and the fourth clutch are located on the same side of the planet wheel.
Further, the motor rotor is in transmission fit with the power output end of the third clutch.
Furthermore, the two end covers in the axial direction of the gear ring are provided with a right end cover and a left end cover.
The invention has the beneficial effects that:
the invention can realize the driving state, the locking state, the unlocking state and the anti-dragging state of the vehicle, and the switching of each state is realized by matching the overrunning clutch and enabling the speed difference formed by the inner ring and the outer ring of the overrunning clutch to realize the automatic combination or separation of the first clutch and the second clutch through different running states of the vehicle, a control system is not needed to control the first clutch and the second clutch, and the control system of the vehicle is simplified;
the invention meets the normal running of the vehicle through the driving state, avoids neutral gear sliding and reduces the rotating speed of the engine through the anti-dragging state, and achieves the purposes of saving oil, reducing noise and improving comfort; through the locking state, the function of preventing the vehicle from sliding down the slope during parking on the uphill slope is met; the function of preventing the vehicle from sliding down the slope can be realized through the unlocking state;
according to the invention, the anti-slope-sliding mechanism is integrated in the speed reducer, the anti-slope-sliding function is realized through the self locking of the speed reducer, a related braking system is not required to be added, and the structure of the anti-slope-sliding mechanism is simplified;
when the engine is started, the power output by the motor drives the crankshaft to rotate so as to realize the starting of the engine, and after the engine normally runs, the crankshaft can drive the rotor of the motor to rotate so as to generate electricity, or the motor can be used as a driving piece to drive the power output piece to realize the hybrid power driving of a vehicle.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the principle structure of the present invention;
Detailed Description
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic diagram of the principle structure of the present invention;
as shown in the drawings, the hybrid planetary gear hill-drop preventing device with a release function in the present embodiment includes a frame 1, a planetary transmission mechanism 2, a power input member 3, a power output member 4, a first clutch 5, a second clutch 6, a third clutch 7, and a motor 8.
The arbitrary order combination of sun gear 2a, planet carrier 2b, ring gear 2c three among the planetary gear mechanism is corresponding to power input part, power take off end and intermediate transmission part respectively, motor 8 is with power input to power take off 4, power input 3 through a clutch with power input end cooperation realizes power transmission, power input 3 through No. two clutches with power take off 4 cooperation realizes power transmission, No. three clutches 7 set up and realize power transmission or interrupt between intermediate transmission part and frame or set up between power take off 4 and waiting to drive spare.
In the embodiment, the third clutch is arranged between the power output part 4 and the to-be-driven part, is combined in a driving state, a locking state and a reverse dragging state, and is separated in an unlocking state; different states can be formed by combining or separating the clutches, the planetary speed change mechanism at least has a driving state, a locking state, an unlocking state and a reverse dragging state, when the engine is started, the motor rotor rotates forwards to input power to the power input part 3 through the power output part 4 and the second clutch 6 and drive the crankshaft to rotate through the power input part 3 to realize the starting of the engine, after the engine is started, the crankshaft can drive the rotor of the starting motor to rotate to generate power, the transmission efficiency is higher, the starting generator can generate power in a high-efficiency interval, the motor can be used as a driving part to drive the power output part 4 to realize the hybrid power driving of the vehicle, and the motor 8 only shows the rotor of the motor in the attached figure 1; in the driving state, the first clutch is combined, the second clutch is separated, the power of the engine is output to the power output part through the power input part, the first clutch, the power input end and the power output end to drive the power output part to rotate forwards, and meanwhile, the motor can drive the power output part 4 to realize hybrid power driving; when the lock-up state is realized, the power output part 4 reversely rotates, the first clutch and the second clutch are combined, the power output part reversely rotates to output reverse dragging power to the power output end and simultaneously transmit the reverse dragging power to the power input end through the power output part, the second clutch, the power input part and the first clutch, the rotating speed of the power input end and the rotating speed of the power output end are not matched by controlling the speed ratio, and the planetary speed change mechanism is locked up; when the lock is unlocked, the power output part is dragged to rotate reversely, the first clutch and the second clutch are combined, the third clutch is separated, the wheel idles, the third clutch can be arranged between the middle transmission part and the rack, the reverse rotation of the power output part outputs the reverse rotation dragging power to the middle transmission part through the power output end to realize the idling, and the aim of removing the lock is fulfilled; when the engine is in a reverse dragging state, the second clutch is combined, the first clutch is separated, the power output part transmits forward rotation supporting power to the power input part through the second clutch to realize reverse dragging of the engine, and meanwhile, the dragging power is transmitted to the motor rotor to realize power generation.
The driving state is suitable for the normal driving running state of the vehicle, and at the moment, the power of the engine is input to the power input part to realize the power driving of the vehicle; the locking state is used for preventing the vehicle from sliding down the slope on the slope, at the moment, the power generated by the reverse rotation of the wheels is input into the power output part 4 to drive the power output part 4 to rotate reversely, at the moment, the planetary speed change mechanism 2 is locked, the transmission path of the reverse power is interrupted, and the vehicle is prevented from sliding down the slope; the unlocking state can remove the function of preventing the slope from sliding; when the reverse dragging state is used in the downhill process of the vehicle, the wheels drag the engine reversely, the positive rotating force of the wheels is input into the power output part 4 to drive the power output part 4 to rotate positively, and at the moment, the vehicle drags the engine reversely.
The planetary speed change mechanism can achieve a large transmission ratio in a compact space, wherein different components can achieve different effects as an input end and an output end, for example, a sun gear serves as the input end, and a planet carrier serves as the output end to achieve the effects of reducing speed and increasing torque, a sun gear serves as the input end, and a gear ring serves as the output end to achieve the effects of reversing speed and increasing torque, and the planet carrier serves as the input end, and the sun gear serves as the output end to achieve the effects of reversing speed and increasing torque.
In this embodiment, the first clutch 5 and the second clutch 6 are overrunning clutches, the power input member 3 realizes one-way transmission from the power input member to the power input end through the first clutch 5, and the power output member 4 realizes one-way transmission from the power output member 4 to the power input member 3 through the second clutch 6; referring to fig. 1, in a driving state, power of an engine is input to a power input part 3 through a fourth clutch 9, the power input part serves as a driving part, a first clutch 5 is automatically combined, inner and outer rings of a second clutch 6 overrun, the power of the engine is output through the power input part 3, the first clutch 5, a sun gear and a planet carrier and a power output part 4, and at the moment, the power of the engine cannot be transmitted through the second clutch 6; when the vehicle is in a locked state, the vehicle has a slope slipping trend, at the moment, the wheels transmit reverse power to the power output part 4, the first clutch 5 and the second clutch 6 are automatically combined, the reverse power is transmitted to the planet carrier and is simultaneously transmitted to the sun wheel through the power output part 4, the second clutch 6, the power input part 3 and the first clutch 5 in sequence, the reverse power is simultaneously transmitted to the power input end and the power output end of the planetary speed change mechanism through two transmission paths, the speeds of the sun wheel and the planet carrier are not matched through controlling the speed ratio, the planetary speed change mechanism 2 is locked, and the vehicle slipping is prevented; when the speed changing mechanism is in an unlocking state, the third clutch 7 is separated, wheels idle, and the locking state of the planetary speed changing mechanism 2 is released; when the vehicle is in a reverse dragging state, the vehicle descends, the wheels transmit forward power to the planet carrier, the second clutch 6 is automatically combined, the inner ring and the outer ring of the first clutch 5 are overrunning, and the power is input to the engine through the power output part 4, the second clutch 6, the power input part 3 and the fourth clutch 9, so that reverse dragging of the engine is realized; through the overrunning clutch, the speed difference formed by the inner ring and the outer ring of the overrunning clutch of the vehicle in different running states realizes the automatic switching of the first clutch and the second clutch in the combined state and the separated state, realizes the automatic switching of each state of the vehicle, does not need to be provided with a complex controller and related sensors, does not need to judge the working state of the vehicle in advance, does not have judgment delay, and has reliable slope slipping prevention performance.
In the embodiment, the power input device further comprises a fourth clutch 9, and the power input device 3 is matched with an external power device through the fourth clutch 9 to realize power transmission; the external power part is an engine, and the fourth clutch 9 is used as a starting clutch, so that the interruption and combination of a power transmission path between the engine and the slope slipping prevention mechanism can be realized; the fourth clutch can also prevent the potential safety hazard of engine reverse rotation caused by motor reverse rotation.
In this embodiment, the power input end, the power output end and the intermediate transmission component of the planetary speed change mechanism correspond to the sun gear, the planet carrier and the gear ring respectively; the gear ring is fixed on the frame, and the planet carrier is in transmission fit with the power output part 4 through a spline; the sun wheel is used as an input end, and the planet carrier is used as an output end, so that the functions of speed reduction and torque increase are realized.
In this embodiment, the power input member 3 and the power output member 4 are of a sleeve structure, the power input member 3 is coaxially sleeved with the power output member, the first clutch 5 is fitted between the outer circle of the power input member 3 and the inner circle of the sun gear 2a, and the second clutch 6 is fitted between the outer circle of the power output member and the inner circle of the power input member; the power output part 4 can be in transmission fit with the output shaft through the spline, the axial occupied space can be reduced by the structures of the inner sleeve and the outer sleeve of the power input part 3 and the power output part 4, the space arrangement is convenient, the structure is easy to arrange the first clutch and the second clutch, the space can be reasonably utilized, and the structural compactness of the slope sliding prevention mechanism is improved.
In this embodiment, the power input member is a stepped shaft sleeve structure, the first clutch 5 is fitted on the outer circle of the small diameter section of the power input member, and the second clutch 6 is fitted on the inner circle of the large diameter section of the power input member; as shown in fig. 1, the left end of the power input part is a large-diameter end, and the right end of the power input part is a small-diameter end, so that the first clutch 5 and the second clutch 6 can be axially distributed, the radial size of the anti-slope-slipping structure can be reduced, and the structure is convenient for arranging the second clutch 6 inside the anti-slope-slipping structure; 4 excircles of power take off spare have the coaxial collar of radial outside protruding formation, 6 inner circles transmission of No. two clutches cooperate in this collar, the external diameter and the power input spare path end external diameter of collar are the same, the sun gear internal diameter is the same with the big footpath end internal diameter of power input spare, this structure can make one, No. two clutch radial installation space is the same, be convenient for one, the unified model of No. two clutches, easy later maintenance is overhauld, the interior ladder of power input spare carries out the axial spacing to No. two clutches simultaneously.
In the embodiment, the outer circle of the large-diameter end of the power input part is provided with a flange 3a which is formed by protruding outwards in the radial direction, and the flange is coaxially matched with the power output end of the fourth clutch 9 in a transmission way; referring to fig. 1, the flange is fixed with the power output end of the fourth clutch 9 through bolts to form transmission fit between the flange and the power output end.
In this embodiment, the third clutch 7 and the fourth clutch 8 are located on two axial sides of the sun gear, and the flange 3a and the fourth clutch 8 are located on the same side of the planet gear; the third clutch 7 and the fourth clutch 8 are respectively arranged on two axial sides of the planetary speed change mechanism, so that the space distribution of the two clutches is facilitated, and the space arrangement difficulty of each part of the anti-slope-slipping mechanism is reduced.
In the embodiment, the rotor of the motor 8 is in transmission fit with the power output end of the third clutch 7; the power output end of the third clutch is in transmission fit with the power output part 4, the motor directly drives the power output part to realize hybrid power drive of the vehicle, when the power output part is in a reverse dragging state, the reverse dragging power drives the motor rotor to realize power generation, and simultaneously, the reverse dragging power reversely drags the engine, so that the rotating speed of the engine is reduced, kinetic energy of downhill is consumed, and the purposes of saving oil, reducing noise and improving comfort are achieved.
In this embodiment, the two axial end covers of the gear ring are a right end cover 10a and a left end cover 10 b; the left end cover is matched with the right end cover to form an installation cavity, structures such as the planet wheel, the planet wheel shaft and the planet carrier are packaged in the installation cavity, the structural compactness of the planetary speed change mechanism is improved, the planetary speed change mechanism can be conveniently assembled with other components as a whole, and the assembly difficulty is simplified.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. The utility model provides a hybrid planetary gear prevents swift current slope device with remove function which characterized in that: the planetary transmission mechanism comprises a rack, a planetary speed change mechanism, a power input part, a power output part, a first clutch, a second clutch, a third clutch and a motor;
the planetary speed change mechanism comprises a sun gear, a planet carrier and a gear ring, wherein the sun gear, the planet carrier and the gear ring are combined in any sequence and respectively correspond to a power input end, a power output end and an intermediate transmission part, the motor inputs power to a power output part, the power input part is matched with the power input end through a first clutch to realize power transmission, the power input part is matched with the power output part through a second clutch to realize power transmission, and the third clutch is arranged between the intermediate transmission part and a frame or between the power output part and a to-be-driven part to realize power transmission or interruption;
the first clutch and the second clutch are overrunning clutches, the power input part realizes one-way transmission from the power input part to the power input end through the first clutch, and the power output part realizes one-way transmission from the power output part to the power input part through the second clutch.
2. The hybrid planetary gear hill hold-down apparatus with release function according to claim 1, characterized in that: the power input part is matched with an external power part through the fourth clutch to realize power transmission.
3. The hybrid planetary gear hill-drop prevention device with release function according to claim 2, characterized in that: the power input end, the power output end and the middle transmission component of the planetary speed change mechanism respectively correspond to the sun gear, the planet carrier and the gear ring.
4. The hybrid planetary gear hill hold-down apparatus with release function according to claim 3, characterized in that: the power input part and the power output part are of sleeve structures, the power input part is coaxially sleeved with the power output part, the first clutch is matched between the outer circle of the power input part and the inner circle of the sun wheel, and the second clutch is matched between the outer circle of the power output part and the inner circle of the power input part.
5. The hybrid planetary gear hill hold-down apparatus with release function according to claim 4, characterized in that: the power input part is of a stepped shaft sleeve structure, the first clutch is matched on the outer circle of the small-diameter section of the power input part, and the second clutch is matched on the inner circle of the large-diameter section of the power input part.
6. The hybrid planetary gear hill-drop prevention device with release function according to claim 5, characterized in that: the outer circle of the large-diameter end of the power input part is provided with a flange which is formed by protruding outwards in the radial direction, and the flange is coaxially matched with the power output end of the fourth clutch in a transmission mode.
7. The hybrid planetary gear hill hold-down apparatus with release function according to claim 6, characterized in that: the third clutch and the fourth clutch are located on two axial sides of the planet sun gear, and the flange plate and the fourth clutch are located on the same side of the planet gear.
8. The hybrid planetary gear hill hold-down apparatus with release function according to claim 7, characterized in that: and the motor rotor is in transmission fit with the power output end of the third clutch.
9. The hybrid planetary gear hill hold-down apparatus with release function according to claim 8, characterized in that: and the two axial end covers of the gear ring are provided with a right end cover and a left end cover.
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| CN201910792238.5A CN110481304B (en) | 2019-08-26 | 2019-08-26 | Hybrid power type planetary gear slope slipping prevention device with relieving function |
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| CN201910792238.5A CN110481304B (en) | 2019-08-26 | 2019-08-26 | Hybrid power type planetary gear slope slipping prevention device with relieving function |
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| CN110481304A CN110481304A (en) | 2019-11-22 |
| CN110481304B true CN110481304B (en) | 2021-11-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101550629B1 (en) * | 2014-06-19 | 2015-09-07 | 현대자동차 주식회사 | Power transmission system of hybrid electric vehicle |
| KR101628130B1 (en) * | 2015-06-29 | 2016-06-08 | 현대자동차 주식회사 | Four wheel drive power transmission system of hybrid electric vehicle |
| CN206394434U (en) * | 2016-12-19 | 2017-08-11 | 吴燕开 | A kind of many gear automotive trannsmission systems of integrated single motor |
| CN206579474U (en) * | 2017-03-10 | 2017-10-24 | 吴燕开 | One kind two keeps off electric drive transmission device |
| US10245951B2 (en) * | 2017-07-28 | 2019-04-02 | Ford Global Technologies, Llc | Hybrid transmission with dual-drive pump |
| CN108501684B (en) * | 2018-04-03 | 2020-08-14 | 段志辉 | Automobile oil-electricity hybrid power gearbox |
| CN208812976U (en) * | 2018-08-22 | 2019-05-03 | 广州汽车集团股份有限公司 | Hybrid electric drive system |
| CN208664943U (en) * | 2018-08-22 | 2019-03-29 | 广州汽车集团股份有限公司 | Hybrid electric drive system |
| CN208896854U (en) * | 2018-10-09 | 2019-05-24 | 广州汽车集团股份有限公司 | Hybrid electric drive system and hybrid vehicle |
| CN209008383U (en) * | 2018-10-30 | 2019-06-21 | 广州汽车集团股份有限公司 | Power dividing hybrid power coupled system and vehicle |
| CN209208474U (en) * | 2018-12-12 | 2019-08-06 | 广州汽车集团股份有限公司 | Hybrid power coupled system and vehicle |
| CN109774453B (en) * | 2019-03-15 | 2024-04-05 | 重庆青山工业有限责任公司 | Plug-in hybrid electric vehicle power system |
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