CN108583273A - A kind of gear speed change electricity drive bridge of integrated form two of having electronic parking - Google Patents
A kind of gear speed change electricity drive bridge of integrated form two of having electronic parking Download PDFInfo
- Publication number
- CN108583273A CN108583273A CN201810255809.7A CN201810255809A CN108583273A CN 108583273 A CN108583273 A CN 108583273A CN 201810255809 A CN201810255809 A CN 201810255809A CN 108583273 A CN108583273 A CN 108583273A
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- China
- Prior art keywords
- gear
- oil
- wet
- clutch
- wet clutch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- 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
- B60K17/105—Units comprising at least a part of the gearing and a torque-transmitting axle, e.g. transaxles
-
- 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
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Structure Of Transmissions (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of integrated form two of having electronic parking gear speed change electricity to drive bridge, including transmission system and hydraulic system;The present invention integrates original driving motor, clutch, two-gear transmission, transmission shaft, drive axle, the main reducing gear of clutch, transmission shaft and drive axle can no longer be needed, clutch is replaced with yielding coupling, self shifter is carried out using multi-plate wet clutch cooperation self shifter program, and active lubrication system, and each manual parking brake in left and right in wheel and parking brake is made into the electronic central wet type parking brake on speed changer, alleviate weight, production and maintenance cost are reduced, transmission efficiency is improved.
Description
Technical field
The present invention relates to a kind of integrated form two of having electronic parking gear speed change electricity to drive bridge.
Background technology
The vehicles such as the electronic passenger train of two gears, electric sanitation truck and electronic logistic car currently on the market, mostly use motor and connect
The two-gear transmission that clutch is driven connects Cardan shaft, then connects the form of drive axle, using two wheel side parking systems
Dynamic, as shown in Figure 1, driving motor 1 is by clutch 2 and through 3 speed change of two-gear transmission, driving Cardan shaft 4 is rotated, is moved
Power passes to wheel 6 through drive axle 5.
Invention content
It in order to mitigate weight to improve course continuation mileage, and further reduces the cost, the present invention provides a kind of electronic automobile-used
Integrated form two with automatic parking keeps off speed changing bridge, can automatically switch in one or two gears.
The technical solution adopted by the present invention is:A kind of gear speed change electricity drive bridge of integrated form two of having electronic parking, including transmission
System and hydraulic system;
The transmission system includes central wet type parking brake, bottom gear driving gear, input shaft, top gear driving tooth
Wheel, yielding coupling, driving motor, top gear driven gear, wet clutch B, wet clutch A, jackshaft, bottom gear quilt
Moving gear, countershaft-gear, left half axle, output shaft gear, differential assembly and right axle shaft;
Torque and rotating speed are transmitted to transmission input shaft, bottom gear driving gear by the driving motor by yielding coupling
In top gear driving gear, torque and rotating speed are passed to bottom gear driven gear by bottom gear driving gear, and top gear is actively
Torque and rotating speed are passed to top gear driven gear by gear;
The bottom gear driven gear and top gear driven gear is arranged on jackshaft, during the jackshaft is equipped with
Entreat wet type parking brake, wet clutch A and wet clutch B respectively with bottom gear driven gear and top gear driven gear
Engagement drives differential assembly that left half axle and right axle shaft is driven to rotate by countershaft-gear;
The transmission mechanism further includes Oil pump electrical machinery, and the Oil pump electrical machinery is each oil by the gear oil pump in hydraulic system
Cylinder provides power;
The hydraulic system includes central wet type parking brake oil cylinder, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve A, gear
Oil pump, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve B, wet clutch B oil cylinders, wet clutch A oil cylinders, two-bit triplet electromagnetism
Valve, pressure reducing valve and check valve;
The gear oil pump is by system pressure oil not through two-bit triplet pilot-operated type electricity proportional pressure-reducing valve A, two-bit triplet guide
Formula electricity proportional pressure-reducing valve B and two-bit triplet solenoid valve it is defeated be sent to respectively wet clutch A oil cylinders, wet clutch B oil cylinders and in
It entreats in wet type parking brake oil cylinder, remaining system pressure oil is returned to by pressure reducing valve and check valve in fuel tank and each oil site.
Further, magnetic filter is equipped between the fuel tank and gear oil pump in the hydraulic system;Band pollution instruction
It is connected on gear oil pump rear portion with filter, the temperature sensor of bypass;Guide is equipped on the branch road of temperature sensor rear end
Formula overflow valve.
The beneficial effect comprise that:The present invention is by original driving motor, clutch, two-gear transmission, transmission
Axis, drive axle are integrated, and can no longer need the main reducing gear of clutch, transmission shaft and drive axle, clutch is replaced
For torsional vibration damper, self shifter and active lubrication system are carried out using multi-plate wet clutch cooperation self shifter program,
And each manual parking brake in left and right in wheel and parking brake is made into the electronic central wet type on speed changer
Parking brake alleviates weight, reduces production and maintenance cost, improves transmission efficiency.
Description of the drawings
Fig. 1 is existing two gears car power schematic diagram;
Fig. 2 is the transmission system schematic diagram of the present invention;
Fig. 3 is the hydraulic system principle figure of the present invention.
In figure:1- driving motors, 2- clutches, 3- two-gear transmissions, 4- Cardan shafts, 5- power through drive axle,
6- wheels;
The centers 101- wet type parking brake, 102- bottom gears driving gear, 103- input shafts, 104- top gear driving gears,
105- yielding couplings, 107- Oil pump electrical machineries, 108- driving motors, 109- top gears driven gear, 110- wet clutches B,
111- wet clutch A, 112- jackshaft, 113- bottom gears driven gear, 114- countershaft-gears, 115- left half axles, 116-
Output shaft gear, 117- differential assemblies, 118- right axle shafts;
The centers 201- wet type parking brake oil cylinder, 202- magnetic filters, 203- with pollution only and bypass filter,
204- temperature sensors, 205- pilot operated compound relief valves, 206- two-bit triplet pilot-operated type electricity proportional pressure-reducing valve A, 207- gear oil pump,
208- two-bit triplet pilot-operated type electricity proportional pressure-reducing valve B, 209- fuel tank, 210- wet clutch B oil cylinders, 211- wet clutches A
The cooler of oil cylinder, 212- two-bit triplets solenoid valve, 213- pressure reducing valves, 214- with bypass, 215- check valves.
Specific implementation mode
The present invention will be further described below with reference to the drawings.
The present invention is that a kind of integrated form two of having electronic parking keeps off speed change electricity and drives bridge, including transmission system and hydraulic system,
As shown in Fig. 2, wherein transmission system include central wet type parking brake 101, bottom gear driving gear 102, input shaft 103,
Top gear driving gear 104, yielding coupling 105, driving motor 108, top gear driven gear 109, wet clutch B110,
Wet clutch A111, jackshaft 112, bottom gear driven gear 113, countershaft-gear 114, left half axle 115, output shaft gear
116, differential assembly 117 and right axle shaft 118.
The driving motor 108 by yielding coupling 105 by torque and rotating speed be transmitted to transmission input shaft 103,
On bottom gear driving gear 102 and top gear driving gear 104, bottom gear driving gear 102 passes to torque and rotating speed low
Torque and rotating speed are passed to top gear driven gear 109 by speed gear driven gear 113, top gear driving gear 104;Described is low
Speed gear driven gear 113 and top gear driven gear 109 are arranged on jackshaft 112, and it is wet that center is additionally provided on jackshaft 112
Formula parking brake 101.Wet clutch A111 and wet clutch B110 respectively with bottom gear driven gear 113 and top gear
Driven gear 109 engages, and by countershaft-gear 114 by torque and rotating speed output shaft gear 116, drives differential assembly 117
Left half axle 115 and right axle shaft 118 is driven to rotate.
When being driven by first gear transmission ratio, wet clutch A111 engagements, then bottom gear driven gear 13 will torsion
Square and rotating speed pass to countershaft-gear 114 by jackshaft 112, and then countershaft-gear 114 passes through torque and rotating speed is defeated
Go out shaft gear 116, differential assembly 117 passes to left half axle 115 and right axle shaft 118.
When being driven by second gear transmission ratio, wet clutch B110 is combined, then top gear driven gear 109 will be turned round
Square and rotating speed pass to countershaft-gear 114 by jackshaft 112, and then countershaft-gear 114 passes through torque and rotating speed is defeated
Go out shaft gear 116, differential assembly 117 passes to left half axle 115 and right axle shaft 118.
When in neutral gear, wet clutch A111 and wet clutch B110 are not combined.
When in parking shift, by controlling solenoid valve by the oil cylinder piston cavity pressure of central wet type parking brake 101
Release, pressing friction piece under the action of itself spring realize braking;And wet clutch A111 and wet clutch B110
Do not combine.
The reversion of driving motor 108 is returned back through to realize, it is consistent with the control mode advanced to retreat each gear.
As shown in figure 3, the system that hydraulic system is integrated with active lubrication in order to control;For providing control and lubricating system pressure
The gear oil pump 207 that the constant speed Oil pump electrical machinery 107 that power oil sources is rotated by one direction drives provides, and makes the control pressure of hydraulic system
It keeps constant.
Hydraulic system includes central wet type parking brake oil cylinder 201, magnetic filter 202, band pollution instruction and bypass
Filter 203, temperature sensor 204, pilot operated compound relief valve 205, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve A206, gear
Oil pump 207, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve B208, fuel tank 209, wet clutch B oil cylinders 210, wet clutch A
Oil cylinder 211, two-bit triplet solenoid valve 212, pressure reducing valve 213, the cooler 214 with bypass and check valve 215.Gear oil pump 207
By the system pressure oil extraction in fuel tank 209, after the filtering of magnetic filter 202, into the filtering with pollution instruction and bypass
Device 203 and temperature sensor 204, and it is equipped with pilot operated compound relief valve 205 in branch end, pilot operated compound relief valve 205 is for setting up
The control pressure of hydraulic system.Gear oil pump 207 is by system pressure oil not through two-bit triplet pilot-operated type electricity proportional pressure-reducing valve
A206, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve B208 and two-bit triplet solenoid valve 212 are transported to wet clutch A oil cylinders
211, in wet clutch B oil cylinders 210 and central wet type parking brake oil cylinder 201, remaining system pressure oil passes through pressure reducing valve
213, cooler 214 and check valve 215 with bypass return in fuel tank 209 and each oil site, and wherein pressure reducing valve 213 is for setting up
The pressure of lubricant passage way, check valve 215 play overpressure protection to lubricant passage way;.
The hydraulic control system course of work in the present invention is:
When being driven by first gear transmission ratio, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve A206 control wet clutches A
The pressure of oil cylinder 211, stroke realize the combination of wet clutch A.
When being driven by second gear transmission ratio, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve B208 controls wet type clutch
The pressure of device B oil cylinders 210, stroke realize the combination of wet clutch B.
When first gear is switched to neutral gear or second gear, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve A206 control wet type from
The plunger shaft of clutch A oil cylinders 211 is connected to fuel tank 209, makes the oil in the plunger shaft of wet clutch A oil cylinders 211 at its own
Oil return box 209 under the left and right of spring.
When second gear is switched to neutral gear or first gear, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve B208 control wet type from
The plunger shaft of clutch B oil cylinders 210 is connected to fuel tank 209, makes the oil in the plunger shaft of wet clutch B oil cylinders 210 at its own
Oil return box 209 under the left and right of spring.
When being not in parking shift, 212 control pressure oil of two-bit triplet solenoid valve enters central wet type parking brake oil
Cylinder 201 overcomes its spring pressure that parking brake is made to be in malcompression on-position;When in parking shift, two-bit triplet electricity
Magnet valve 212 controls central 201 plunger shaft of wet type parking brake oil cylinder and is connected to fuel tank 209, makes central wet type parking brake
The oily oil return box 209 under the left and right of its own spring in the plunger shaft of oil cylinder 201, parking brake is by central wet type parking system
The spring compression of dynamic device oil cylinder 201, is in on-position.
Claims (2)
1. a kind of integrated form two of having electronic parking keeps off speed change electricity and drives bridge, it is characterised in that:Including transmission system and hydraulic system;
The transmission system includes low central wet type parking brake, speed gear driving gear, input shaft, top gear driving tooth
Wheel, yielding coupling, driving motor, top gear driven gear, wet clutch B, wet clutch A, jackshaft, bottom gear quilt
Moving gear, countershaft-gear, left half axle, output shaft gear, differential assembly and right axle shaft;
Torque and rotating speed are transmitted to transmission input shaft, bottom gear driving gear by the driving motor by yielding coupling
In top gear driving gear, torque and rotating speed are passed to bottom gear driven gear by bottom gear driving gear, and top gear is actively
Torque and rotating speed are passed to top gear driven gear by gear;
The bottom gear driven gear and top gear driven gear is arranged on jackshaft, during the jackshaft is equipped with
Entreat wet type parking brake, wet clutch A and wet clutch B respectively with bottom gear driven gear and top gear driven gear
Engagement drives differential assembly that left half axle and right axle shaft is driven to rotate by countershaft-gear;
The transmission mechanism further includes Oil pump electrical machinery, and the Oil pump electrical machinery is each oil by the gear oil pump in hydraulic system
Cylinder provides power;
The hydraulic system includes central wet type parking brake oil cylinder, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve A, gear
Oil pump, two-bit triplet pilot-operated type electricity proportional pressure-reducing valve B, wet clutch B oil cylinders, wet clutch A oil cylinders, two-bit triplet electromagnetism
Valve, pressure reducing valve and check valve;
The gear oil pump is by system pressure oil not through two-bit triplet pilot-operated type electricity proportional pressure-reducing valve A, two-bit triplet guide
It is wet that formula electricity proportional pressure-reducing valve B and two-bit triplet solenoid valve are transported to wet clutch A oil cylinders, wet clutch B oil cylinders and center
In formula parking brake oil cylinder, remaining system pressure oil is returned to by pressure reducing valve and check valve in fuel tank and each oil site.
2. a kind of integrated form two of having electronic parking according to claim 1 keeps off speed change electricity and drives bridge, it is characterised in that:It is described
Hydraulic system in fuel tank and gear oil pump between be equipped with magnetic filter;Filter, temperature with pollution instruction and bypass
Sensor series are at gear oil pump rear portion;Pilot operated compound relief valve is equipped on the branch road of temperature sensor rear end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810255809.7A CN108583273B (en) | 2018-03-27 | 2018-03-27 | Integrated two-gear variable-speed electric drive bridge with electronic parking function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810255809.7A CN108583273B (en) | 2018-03-27 | 2018-03-27 | Integrated two-gear variable-speed electric drive bridge with electronic parking function |
Publications (2)
Publication Number | Publication Date |
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CN108583273A true CN108583273A (en) | 2018-09-28 |
CN108583273B CN108583273B (en) | 2021-08-17 |
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Application Number | Title | Priority Date | Filing Date |
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CN201810255809.7A Active CN108583273B (en) | 2018-03-27 | 2018-03-27 | Integrated two-gear variable-speed electric drive bridge with electronic parking function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110017359A (en) * | 2019-04-23 | 2019-07-16 | 合肥工业大学 | Multi gear electric automobile gear device based on face gear |
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CN105762976A (en) * | 2016-04-18 | 2016-07-13 | 北京航空航天大学 | Blade electric vehicle integrated two-shift automatic electric drive assembly |
CN205605780U (en) * | 2016-03-15 | 2016-09-28 | 绍兴前进齿轮箱有限公司 | Power dividing infinitely variable gear box |
CN106763619A (en) * | 2017-01-22 | 2017-05-31 | 北京航空航天大学 | Two shift transmission used for electric vehicle |
CN106812937A (en) * | 2015-12-01 | 2017-06-09 | 史树元 | A kind of planetary gear power dividing type stepless speed variator hydraulic control system |
CN206826407U (en) * | 2017-06-27 | 2018-01-02 | 南京越博动力***股份有限公司 | Two grades of transaxles of electric car |
CN107627830A (en) * | 2017-09-21 | 2018-01-26 | 吉泰车辆技术(苏州)有限公司 | Integral shaft puts power assembly |
-
2018
- 2018-03-27 CN CN201810255809.7A patent/CN108583273B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US20040223011A1 (en) * | 2003-05-06 | 2004-11-11 | Adkins Christopher A. | Method of authenticating a consumable |
CN202242966U (en) * | 2010-09-26 | 2012-05-30 | 比亚迪股份有限公司 | Driving system of electric vehicle |
CN105235508A (en) * | 2015-11-09 | 2016-01-13 | 青岛科瑞特激光设备有限公司 | Two-gear four-wheel hydraulic stepless variable speed drive axle assembly for large harvester |
CN106812937A (en) * | 2015-12-01 | 2017-06-09 | 史树元 | A kind of planetary gear power dividing type stepless speed variator hydraulic control system |
CN205605780U (en) * | 2016-03-15 | 2016-09-28 | 绍兴前进齿轮箱有限公司 | Power dividing infinitely variable gear box |
CN105762976A (en) * | 2016-04-18 | 2016-07-13 | 北京航空航天大学 | Blade electric vehicle integrated two-shift automatic electric drive assembly |
CN106763619A (en) * | 2017-01-22 | 2017-05-31 | 北京航空航天大学 | Two shift transmission used for electric vehicle |
CN206826407U (en) * | 2017-06-27 | 2018-01-02 | 南京越博动力***股份有限公司 | Two grades of transaxles of electric car |
CN107627830A (en) * | 2017-09-21 | 2018-01-26 | 吉泰车辆技术(苏州)有限公司 | Integral shaft puts power assembly |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110017359A (en) * | 2019-04-23 | 2019-07-16 | 合肥工业大学 | Multi gear electric automobile gear device based on face gear |
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CN108583273B (en) | 2021-08-17 |
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