CN209320707U - A kind of hybrid power gearbox transmission system - Google Patents

Abstract

A kind of hybrid power gearbox transmission system, it is characterized by also including driving motors and the electric drive gear being firmly connected with it, electric drive intermediate gear, electric drive countershaft assembly, electric drive export axle assembly, electric drive gear is engaged with electric drive intermediate gear, gear driving gear there are two being fixedly connected on electric drive countershaft assembly, electric drive intermediate gear is engaged with one of driving gear of electric drive countershaft assembly, there are two motors to export driven gear for dress in electric drive export axle assembly, there is a synchronizer in two driven gear intermediate arrangements, two driving gears of electric drive countershaft assembly are engaged with two driven gears of electric drive export axle assembly respectively, motor output shaft master in electric drive export axle assembly subtracts the engagement of the main reduction ring gear on gear and differential assembly, former combustion power driving speed change can be overcome Excessive oil consumption, gear shift pause and transition in rhythm or melody, vehicle accelerate slow, climbing capacity difference disadvantage when boxcar low speed.

Description

A kind of hybrid power gearbox transmission system

Technical field

The utility model relates to a kind of automobile hybrid power Side Gearbox Transmission Systems.

Background technique

The Vehicles Collected from Market gearbox that gearbox accounts for dominant contribution of getting on the car has manual transmission (MT) and auto-manual speed change Case (AMT), planet row type automatic gear-box (AT), infinitely variable transmission (CVT), double clutch gearbox (DCT).It is existing manual Gearbox automobile is big, complicated for operation with respect to automatic gear-box car steering difficulty, and does not adapt to the trend of automatic Pilot；Hand is certainly Integrated gearbox shift time is long, and pause and transition in rhythm or melody sense is serious, and gear shift comfort is poor；And existing manual transmission (MT), auto-manual become Fast case (AMT), planet row type automatic gear-box (AT), infinitely variable transmission (CVT), double clutch gearbox (DCT) etc. become automatically The vehicle fuel economy of fast case at low speeds is poor, is not able to satisfy the increasingly harsh emission regulation of country.Therefore, national New-energy automobile is just greatly developed, hybrid power is the main direction of development of current major vehicle vehicle, will have been produced in batches at present Gearbox product be transformed into hybrid power gearbox and can save the development cycle and reduce development cost.

Summary of the invention

The purpose of this utility model is to provide a kind of hybrid power gearbox transmission systems, and former combustion power is overcome to drive Excessive oil consumption, gear shift pause and transition in rhythm or melody, vehicle accelerate slow, climbing capacity difference disadvantage when gearbox vehicle low speed.

A kind of hybrid power gearbox transmission system, clutch couple with input axle assembly, each shelves in input axle assembly Position driving gear is engaged with gear driven gear each in export axle assembly respectively, and output shaft master subtracts the gear master total with differential mechanism and subtracts Tooth engagement, it is characterised in that: further include driving motor and the electric drive gear, the electric drive intermediate gear, electricity that are firmly connected with it Countershaft assembly, electric drive export axle assembly are driven, electric drive gear is engaged with electric drive intermediate gear, and electric drive jackshaft is total At being above fixedly connected, there are two gear driving gear, one of actives of electric drive intermediate gear and electric drive countershaft assembly Gear engages, and there are two motors to export driven gear for dress in electric drive export axle assembly, has in two driven gear intermediate arrangements One synchronizer, two driving gears of electric drive countershaft assembly respectively with two driven gears of electric drive export axle assembly It engages, the motor output shaft master in electric drive export axle assembly subtracts the engagement of the main reduction ring gear on gear and differential assembly.

The utility model has the advantages that: the utility model on auto-manual gearbox by increasing motor, and electricity consumption is driven Moving gear, electric drive intermediate gear and electric drive countershaft assembly have coupled motor with the original gear train assembly of gearbox Come, motor is allow to transmit power to the differential assembly of gearbox, realizes power output.In vehicle travel process, drive Dynamic motor can impart power to internal combustion engine by gear train assembly and clutch, play the role of starter, to initiate Machine can light a fire.In vehicle start and low speed without starting internal combustion engine, using driving motor output power to differential mechanism, reduce Oil consumption when vehicle low speed simultaneously promotes vehicle NVH performance；It is defeated with driving motor when being that clutch is opened in gearshift procedure for vehicles Power realizes gearshift procedure power failure-free, prevents gear shift pause and transition in rhythm or melody, promote Vehicular shift comfort to differential mechanism out；In vehicle Anxious to accelerate and when climbing, driving motor can promote power performance with internal combustion engine output power simultaneously；In output power of internal combustion engine When excessively high or vehicle braking, power can be transferred to driving motor by differential mechanism, and driving motor can be used as generator to battery at this time It charges.

Detailed description of the invention

Fig. 1 is the structure principle chart of the utility model；

In figure: 1- clutch, 2- input axle assembly, 3- export axle assembly, 4- output shaft master subtract gear, 5- differential mechanism Assembly, the main reduction ring gear of 6-, 7- driving motor, 8- electric drive gear, 9- electric drive intermediate gear, 10- electric drive jackshaft Assembly, 11- electric drive export axle assembly, 12- synchronizer, 13- motor output shaft master subtract gear.

Specific embodiment

The embodiment of the utility model structure is described in detail now in conjunction with attached drawing:

A kind of hybrid power gearbox transmission system, clutch 1 couple with input axle assembly 2, each in input axle assembly 2 Gear driving gear is engaged with gear driven gear each in export axle assembly 3 respectively, the master in export axle assembly 3 subtract gear 4 with The main reduction ring gear 6 of differential assembly 5 engages, it is characterised in that: further includes driving motor 7 and the electric drive tooth that is firmly connected with it Take turns 8, electric drive intermediate gear 9, electric drive countershaft assembly 10, electric drive export axle assembly 11, electric drive gear 8 and electric drive Intermediate gear 9 engages, and is fixedly connected with that there are two gear driving gear, electric drive intermediate gears 9 on electric drive countershaft assembly 10 It is engaged with one of driving gear of electric drive countershaft assembly 10, there are two motor is defeated for dress in electric drive export axle assembly 11 Driven gear out has a synchronizer 12, two actives of electric drive countershaft assembly 10 in two driven gear intermediate arrangements Gear is engaged with two driven gears of electric drive export axle assembly 11 respectively, the motor output in electric drive export axle assembly 11 Axis master subtracts the engagement of the main reduction ring gear 6 on gear 13 and differential assembly 5.

The course of work of the utility model under various operating modes is as follows: one, pure electric drive driving vehicle: internal combustion engine is not Work, driving motor 7 impart power to electric drive gear 8, and electric drive gear 8 imparts power to electric drive intermediate gear again 9, electric drive intermediate gear 9 imparts power to electric drive countershaft assembly 10, and electric drive countershaft assembly 10 again passes power Electric drive export axle assembly 11 is passed, motor output shaft assembly 11 imparts power to differential assembly 5, differential assembly 5 again Wheel is imparted power to, to drive vehicle.According to the transformation of the rotation direction of driving motor, before vehicle being respectively driven Into or retreat.Two, pure internal combustion engine drive mode: driving motor 7 does not work, and internal combustion engine imparts power to clutch 1, clutch Input axle assembly 2 is imparted power to after 1 closure, input axle assembly 2 imparts power to export axle assembly 3 again, and output shaft is total Differential assembly 5 is imparted power to again at 3, and differential assembly 5 imparts power to wheel again, to drive vehicle.Three, it mixes Close driving: driving motor 7 and internal combustion engine work at the same time, and internal combustion engine imparts power to clutch 1, and clutch 1 will move after being closed Power passes to input axle assembly 2, and input axle assembly 2 imparts power to export axle assembly 3 again, and export axle assembly 3 is again by power Pass to differential assembly 5；At the same time, driving motor 7 imparts power to electric drive gear 8, and electric drive gear 8 will move again Power passes to electric drive intermediate gear 9, and electric drive intermediate gear 9 imparts power to electric drive countershaft assembly 10, electric drive Countershaft assembly 10 imparts power to electric drive export axle assembly 11 again, and motor output shaft assembly 11 imparts power to difference again Fast device assembly 5；In this way, driving motor and internal combustion engine are by gear train assembly simultaneously by power transmission to differential mechanism 5, driving electricity The power of machine 7 and internal combustion engine realizes in differential assembly 5 and couples that differential assembly 5 is again by power transmission to wheel, to make vehicle Have sufficient power, realizes and preferably accelerate and grade climbing performance energy demand；In addition, when suddenly change occurs for vehicle drag When, driving motor may be at driving or generating state, make engine torque do not occur torque mutation, improve vehicle discharge and Fuel economy.Four, gear shift drives comfort: when passing through IC engine-powered vehicles, during gearbox gear-shift, and clutch 1 It is open, power transmission to wheel cannot be influenced to relax by internal combustion engine at this time to prevent from power interruption occur in gearshift procedure Adaptive, driving motor 7 can pass through electric drive gear 8, electric drive intermediate gear 9, electric drive jackshaft 10, electric drive output shaft Assembly 11 imparts power to differential assembly 5, to impart power to vehicle, make vehicle in the entire gearshift procedure not Power interruption phenomenon can occur, to reach preferable gear shift comfort；Five, driving motor fills battery as generator Electricity: in the case where output power of internal combustion engine is excessive or vehicle brake condition, it is defeated motor can be imparted power to by differential assembly 5 Axle assembly 11 out, motor output shaft assembly 11 passes through electric drive jackshaft 10, electric drive intermediate gear 9, electric drive gear 8 again will Power passes to driving motor 7, and driving motor 7 can be used as generator and charge to the battery of vehicle at this time；Six, vehicle Start internal combustion engine in pure electric drive driving process: driving motor 7 imparts power to electric drive gear 8, and electric drive gear 8 again will Power passes to electric drive intermediate gear 9, and electric drive intermediate gear 9 imparts power to electric drive countershaft assembly 10, and electricity drives Dynamic countershaft assembly 10 imparts power to electric drive export axle assembly 11 again, and the back gear on motor output shaft assembly 11 is again The first speed driven gear in export axle assembly 3 is imparted power to, the first speed driven gear in export axle assembly 3 again passes power Pass input axle assembly 2, input axle assembly 2 imparts power to clutch 1 again, the clutch 1 of closure driving internal combustion engine again Flywheel enables internal combustion engine to light a fire to play the role of starter.

Due to having above functions, when in non-economy operating point, (such as urban congestion road conditions) close internal combustion to internal combustion engine Machine enables driving motor to drive automobile；Or the power output of internal combustion engine is reduced, while driving motor is enabled, allows driving motor Combine output power with internal combustion engine, so that internal combustion engine always works in the higher operating point of efficiency, so that reaching reduces oil consumption Purpose；In gear shift it is also ensured that the ride comfort of gear shift, greatly improves vehicle comfort；Need to suddenly it accelerate or operating condition of climbing When, driving motor and internal combustion engine simultaneous transmission power can also be made to vehicle, realize preferably acceleration and grade climbing performance.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field For personnel, make several equivalent substitute or obvious modifications without departing from the concept of the premise utility, and performance or Purposes is identical, then shall be regarded as belonging to the protection scope that claims that the utility model is submitted determine.

Claims (1)

1. a kind of hybrid power gearbox transmission system, clutch (1) couples with input axle assembly (2), in input axle assembly (2) Each gear driving gear engaged respectively with each gear driven gear on export axle assembly (3), output shaft master subtracts gear (4) and poor The main reduction ring gear (6) of fast device assembly (5) engages, it is characterised in that: further includes that driving motor (7) and the electricity being firmly connected with it drive Moving gear (8), electric drive intermediate gear (9), electric drive countershaft assembly (10), electric drive export axle assembly (11), electric drive Gear (8) is engaged with electric drive intermediate gear (9), is fixedly connected on electric drive countershaft assembly (10) there are two gear driving tooth Wheel, electric drive intermediate gear (9) are engaged with one of driving gear of electric drive countershaft assembly (10), electric drive output shaft There are two motors to export driven gear for dress on assembly (11), has a synchronizer (12) in two driven gear intermediate arrangements, electricity Two driving gears of driving countershaft assembly (10) are engaged with two driven gears of electric drive export axle assembly (11) respectively, Motor output shaft master in electric drive export axle assembly (11) subtracts the main reduction ring gear (6) on gear (13) and differential assembly (5) Engagement.