CN201057248Y - Stepless gear system of multiple energy resource segmented planetary mechanism - Google Patents
Stepless gear system of multiple energy resource segmented planetary mechanism Download PDFInfo
- Publication number
- CN201057248Y CN201057248Y CNU2007200624829U CN200720062482U CN201057248Y CN 201057248 Y CN201057248 Y CN 201057248Y CN U2007200624829 U CNU2007200624829 U CN U2007200624829U CN 200720062482 U CN200720062482 U CN 200720062482U CN 201057248 Y CN201057248 Y CN 201057248Y
- Authority
- CN
- China
- Prior art keywords
- gear
- section
- advancing
- synchronizer
- links
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model relates to an infinitely variable speed transmission system of multi-energy sectional type planet mechanisms, which pertains to the vehicle transmission technical field. The system consists of mutually-meshed gears, an idler wheel, a planet mechanism, a section replacing mechanism, input shafts, output shafts, a sleeve shaft, a middle shaft, an electromotor, an inverter and a battery; two input shafts are connected with an engine and the electromotor respectively; the planet mechanism consists of two-stage dual-planet gear trains; two sun wheels are connected with the input shafts and the middle shaft respectively; two planet frames are connected with the sleeve shaft and the sun wheels respectively; two gear rings are connected with the sleeve shaft and the planet frame respectively; the section replacing mechanism consists of three advancing sections and two synchronizers. The utility model has wide speed ratio range, high transmission efficiency, low cost, simple structure, large transmission capacity, stability and reliability.
Description
Technical field:
The utility model relates to a kind of multipotency source segmented planetary mechanism stepless gear system, belongs to the system of vehicle transmission technical field.
Background technique:
The function of vehicle transmission system is that the power of power source is reached driving wheel, and changes the tractive force and the speed of a motor vehicle by the requirement of vehicle driving.The stepless change transmission is the development trend of system of vehicle transmission, be considered to the optimal kind of drive, stepless transmission agent can be according to the change speed ratio of vehicle road travel situations and engine behavior continuous stepless the ratio of output speed (input speed with), thereby make motor always work in zone the most efficiently, realize the optimum Match of ambient conditions and vehicle, make vehicle obtain best rideability.
But, automobile uses the stepless transmission agent of main flow (as metal belt type stepless variable transmission system or its distortion at present, promptly stepless gear system and the PRIUS of the Toyota two-freedom single planetary gear that combination one planet train of gearings constitutes on the metal band type basis is stepless gear system), exist following deficiency:
1) metal belt type stepless variable transmission system or its distortion need complicated hydraulic system to realize the clamping force control of metal tape and the Transmission Ratio Control of transmission system, and clamping force and Transmission Ratio Control exist complicated coupling effect.In the middle of the reality, hydraulic system is formed complexity, efficient is lower, so overall system efficiency is also just on the low side.
2) the metal belt type stepless variable transmission system is because the restriction of himself mechanical structure, its variator ratio range ratio of minimum speed ratio (system's slowest ratio with) less (about 5～6), even variator ratio range is increased by a planet speed change mechanism is set, but also enlarged the power of bearing on the metal belt wheel simultaneously, it is more low to make that overall system efficiency becomes.
3) metal belt type stepless variable transmission system or its distortion is owing to be based on friction driving, so its transmission efficiency is lower, and the ability of transmitted power and moment of torsion is also on the low side.
4) metal belt type stepless variable transmission system or its distortion are owing to will make complicated hydraulic system and metal tape etc., so difficulty of processing is bigger, the cost that needs is higher.
5) PRIUS of Toyota two-freedom single planetary gear is that the overall ratio excursion of stepless gear system is less, and the power of speed-adjustable motor is bigger.
Summary of the invention:
Technical problem to be solved in the utility model is: solve the problem that above-mentioned prior art exists, and provide a kind of simple and compact for structure, easy processing, cost is lower, the transmission efficiency height, variator ratio range is big, and speed-adjustable motor is born the little stepless gear system of power.
The technical solution adopted in the utility model is: this multipotency source segmented planetary mechanism stepless gear system by pitch wheel Z1, idle pulley Z2 and gear Z3, planetary mechanism, change section mechanism, input shaft 1, sleeve 2, input shaft 3, sleeve 4, jack shaft 5, output shaft 6, gear 10, gear 11, motor 12, motor 13, inverter and storage battery and form; Wherein, input shaft 1 and input shaft 3 difference sending and receiving motivation output shaft and motor output shafts.Planetary mechanism is that K1, K2 constitute by the two-stage dual planetary gear, K1, K2 comprise following components respectively: sun gear S1, planet carrier H1, gear ring Q1, intermeshing dual planetary gear G1 (planetary pinion of its outside and gear ring Q1 engagement, planetary pinion and the sun gear S1 engagement of the inside) and sun gear S2, planet carrier H2, gear ring Q2, intermeshing dual planetary gear G2 (planetary pinion of its outside and gear ring Q2 mesh, and the planetary pinion of the inside and sun gear S2 mesh); Changing section mechanism is made of three sections of advancing (i.e. the section of advancing I, the section of advancing II, the section of advancing III), synchronizer 1 (three working positions, left, center, right are arranged) and synchronizer 2 (right two working positions of neutralization are arranged).
The dual planetary gear of above-mentioned multipotency source segmented planetary mechanism stepless gear system is that the sun gear S1 of K1 links to each other with input shaft 3, and planet carrier H1 and sleeve 2 link, and gear ring Q1 links to each other with sleeve 4; Dual planetary gear is that the sun gear S2 of K2 links to each other with jack shaft 5, and planet carrier H2 and dual planetary gear are that the sun gear S1 of K1 links to each other, and gear ring Q2 and dual planetary gear are that the planet carrier H1 of K1 links to each other.
The above-mentioned section mechanism that changes is made of three sections of advancing and two synchronizers.Three sections of advancing are made of the section of advancing I (pitch wheel Z4, Z5), the section of advancing II (pitch wheel Z6, Z7) and the section of advancing III (pitch wheel Z8, Z9).First synchronizer has three working positions, left, center, right, when synchronizer is in position, a left side or right position, the corresponding driven gear and axle 6 coaxial rotations on its left side or right side will be connected, the driven gear of both sides will be enclosed within idle running on the axle 6 when being in meta, second synchronizer has right two working positions of neutralization, when synchronizer is in right position, will connect driving gear Z8 and axle 5 coaxial rotations, driving gear Z8 idle running when being in meta.
The section of advancing that the utility model changes section mechanism by increase further enlarges the overall ratio excursion of stepless gear system, and does not need to increase power of electric motor.
It is known prior art that motor 12 of the present utility model, motor 13 (electricity generate function is also arranged), inverter, storage battery and connection thereof are formed.
The working principle of multipotency source segmented planetary mechanism stepless gear system is: note i
cFor the ratio of motor 1 and engine speed (motor just changes, promptly with motor turn to identical, i then
cFor just, the motor counter-rotating is promptly with motor switched in opposite, then i
cFor negative), k is the gear ratio of gear Z3 and Z1.Dual planetary gear is that the speed ratio of K1 is a planet carrier H1 rotating speed and the ratio of gear ring Q1 rotating speed, is made as i1, k
1Being the gear ratio of gear ring Q1 and sun gear S1, is that characteristic equation gets by dual planetary gear then, the speed ratio of K1
Dual planetary gear is that the speed ratio of K2 is a gear ring Q2 rotating speed and the ratio of sun gear S2 rotating speed, is made as i2, k
2Be the gear ratio of gear ring Q2 and sun gear S2, in like manner, the speed ratio of K2
By above-mentioned i1, i2 as can be known, by regulating the rotating speed of motor 12, make input shaft 3 regulation than close limit in to do that reciprocal continuous stepless anti-, forward changes (be i
cThe negative value of regulation with on the occasion of between back and forth change), at this moment, concerning dual planetary gear was K1 and K2, their speed ratio was the continuous stepless variation.Be provided with one simultaneously and change section mechanism with sleeve 4 (being that dual planetary gear is the output of K1) and jack shaft 5 (being that dual planetary gear is the output of K2) link, this changes section mechanism can be the respectively section of advancing with different fixing speed ratio automatically alternately and smooth-going shock-freely connect with axle 4 or axle 5, thereby form the continuous stepless output of system, constitute enough broad overall ratio excursion.The reverse travel of vehicle is achieved by regulating motor 13.
The utility model compared with prior art has the following advantages:
1) the speed ratio excursion is big.Characteristic parameter k by choose reasonable dual planetary gear system
1, k
2, total variator ratio range of system is reached more than 8.5.
2) it is few to change in the section mechanism section of advancing section.Only three sections that advance need be set, just be enough to satisfy the requirement of automobile variator ratio range.If need bigger variator ratio range, only need the corresponding section of advancing that increases to get final product.
3) power born of motor is little.In the middle of the system works, the power ratio of motor and motor transmission is 30% to the maximum, that is to say, adopts a low power motor, the stepless change that just can realize transmitting 3 times powers.
4) volume of storage battery, inverter is little.Because power of electric motor is less, so can reduce the volume of storage battery and inverter, improve entrucking, reduce fuel consume simultaneously.
5) transmission efficiency height.Because adopted the dual planetary gear system and the gear pair that is meshing with each other, its transmission efficiency can reach more than 98%.
6) ability of reliable, shock resistance of stable drive and vibration is strong.
7) compact structure, transmitted power and moment of torsion are big, the bearing capacity height.
8) production inheritance is good, and development cost is low.Can make full use of the manufacturing mechanism of manual at present or automatic transmission, have good production inheritance.And, manufacturing and designing the relative maturation of dual planetary gear system at present with the technology of the gear pair that is meshing with each other, development difficulty is little, and cost is lower.
Description of drawings:
Fig. 1 is the assembly schematic representation of multipotency source segmented planetary mechanism stepless gear system.
Fig. 2 is the assembly schematic representation of planetary mechanism.
Fig. 3 is the assembly schematic representation that changes section mechanism.
Embodiment:
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, multipotency source segmented planetary mechanism stepless gear system by pitch wheel Z1, idle pulley Z2 and gear Z3, planetary mechanism, change section mechanism, input shaft 1, sleeve 2, input shaft 3, sleeve 4, jack shaft 5, output shaft 6, gear 10, gear 11, motor 12, motor 13 (electricity generate function is also arranged), inverter 15 and storage battery 16 and form.Sleeve 2 and sleeve 4 are concentric with input shaft 3 and jack shaft 5 respectively, and input shaft 1 and input shaft 3 connect internal-combustion engine 14 output shafts and motor output shaft respectively.As shown in Figure 2, planetary mechanism is that K1, K2 constitute by the two-stage dual planetary gear, K1, K2 comprise following components respectively: dual planetary gear G1 (planetary pinion of its outside and gear ring Q1 engagement, planetary pinion and the sun gear S1 engagement of the inside), sun gear S1, planet carrier H1, gear ring Q1 and dual planetary gear G2 (planetary pinion of its outside meshes with gear ring Q2, and the planetary pinion of the inside and sun gear S2 mesh), sun gear S2, planet carrier H2, gear ring Q2.Wherein, dual planetary gear is that the sun gear S1 of K1 links to each other with input shaft 3, and planet carrier H1 links to each other with sleeve 2, and gear ring Q1 links to each other with sleeve 4; Dual planetary gear is that the sun gear S2 of K2 links to each other with jack shaft 5, and planet carrier H2 and dual planetary gear are that the sun gear S1 of K1 links to each other, and gear ring Q2 and dual planetary gear are that the planet carrier H1 of K1 links to each other.As shown in Figure 3, changing section mechanism is made of three sections of advancing (section of the advancing III that the section of the advancing II that the section of the advancing I that pitch wheel Z4, Z5 constitute, pitch wheel Z6, Z7 constitute, pitch wheel Z8, Z9 constitute), synchronizer 1 (three working positions, left, center, right) and synchronizer 2 (right two working positions of neutralization).Change that section mechanism can replace automatically by the effect of synchronizer and two outputs of smooth-going shock-free and planetary mechanism (being that dual planetary gear is that the output shaft 4 of K1 is the output shaft 5 of K2 with dual planetary gear) are connected, thereby form the continuous stepless output of system, constitute enough broad overall ratio excursion.The reverse travel of vehicle is achieved by regulating motor 13.
Need to prove, for one of them output that makes planetary mechanism is withdrawed from and is dallied from the work at present section with a certain fixed speed ratio, and allow another output can lucky shock-free another fixed speed ratio of access active section, respectively the speed ratio of the section of advancing needs the requirement choose reasonable by the variation of overall ratio continuous stepless.
Entire work process of the present utility model is:
Change section mechanism under synchronizer 1 effect, at first work in the I section, at this moment i
cBegin to change continuously from-1 to+1, the section of advancing I begins maximum speed ratio, maximum torque are delivered to output shaft 6 by sleeve 4, at this moment, and jack shaft 5 idle running; Work as i
cChange to+1 o'clock, move section mechanism certainly under the effect of synchronizer 2, work in the II section, simultaneously, i
cBegin to change from+1 to-1, the section of advancing II begins time big speed ratio, an inferior big torque is delivered to output shaft 6 by sleeve 4, at this moment, and sleeve 4 idle running; Work as i
cChange at-1 o'clock, move section mechanism certainly under the effect of synchronizer 1, work in the III section, simultaneously, i
cBegin to change from-1 to+1, the section of advancing III begins less speed ratio, less torque are delivered to output shaft 6 by sleeve 4, and at this moment, jack shaft 5 dallies.So, make i
cChange repeatedly, simultaneously in turn, not the section of jumping, do not have the section of advancing of changing section mechanism with impacting, just realized the variation of system's overall ratio continuous stepless.The reverse travel of vehicle is achieved by regulating motor 2.
It is pointed out that if suitably narrow i
cThe upper and lower scope, motor 12 is operated in more efficiently works in the zone, and can further reduce its power.
Claims (2)
1. multipotency source segmented planetary mechanism stepless gear system is characterized in that by pitch wheel (Z1), idle pulley (Z2) and gear (Z3), planetary mechanism, changes section mechanism, input shaft (1), sleeve (2), input shaft (3), sleeve (4), jack shaft (5), output shaft (6), gear (10), gear (11), motor (12), motor (13), inverter and storage battery and form; Wherein, input shaft (1) and input shaft (3) be sending and receiving motivation output shaft and motor (12) output shaft respectively, planetary mechanism is made of two-stage dual planetary gear system (K1, K2), and (K1, K2) comprises following components respectively: sun gear (S1), planet carrier (H1), gear ring (Q1), intermeshing dual planetary gear (G1) and sun gear (S2), planet carrier (H2), gear ring (Q2), intermeshing dual planetary gear (G2); Changing section mechanism is made of three sections of advancing, synchronizer 1 and synchronizer 2; The sun gear (S1) of dual planetary gear system (K1) links to each other with input shaft (3), and planet carrier (H1) links with sleeve (2), and gear ring (Q1) links to each other with sleeve (4); The sun gear (S2) of dual planetary gear system (K2) links to each other with jack shaft (5), and planet carrier (H2) links to each other with the sun gear (S1) of dual planetary gear system (K1), and gear ring (Q2) links to each other with the planet carrier (H1) of dual planetary gear system (K1).
2. multipotency according to claim 1 source segmented planetary mechanism stepless gear system, the section of the advancing I that it is characterized in that three sections of advancing is pitch wheel (Z4, Z5), the section of advancing II is pitch wheel (Z6, Z7), and the section of advancing III is pitch wheel (Z8, Z9); First synchronizer has three working positions, left, center, right, and synchronizer is in position, a left side or right position, connects the corresponding driven gear and the coaxial rotation of output shaft (6) on its left side or right side, is in meta, and then the driven gear of both sides is enclosed within output shaft (6) and goes up idle running; Second synchronizer has right two working positions of neutralization, and synchronizer is in right position, connects driving gear (Z8) and the coaxial rotation of jack shaft (5), is in then driving gear (Z8) idle running of meta.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200624829U CN201057248Y (en) | 2007-02-12 | 2007-02-12 | Stepless gear system of multiple energy resource segmented planetary mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200624829U CN201057248Y (en) | 2007-02-12 | 2007-02-12 | Stepless gear system of multiple energy resource segmented planetary mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201057248Y true CN201057248Y (en) | 2008-05-07 |
Family
ID=39426090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200624829U Expired - Lifetime CN201057248Y (en) | 2007-02-12 | 2007-02-12 | Stepless gear system of multiple energy resource segmented planetary mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201057248Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100682A (en) * | 2013-04-11 | 2014-10-15 | 孟良吉 | Torque matched self-locking and staggered abutting gear-type coupler |
| CN110657200A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
-
2007
- 2007-02-12 CN CNU2007200624829U patent/CN201057248Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100682A (en) * | 2013-04-11 | 2014-10-15 | 孟良吉 | Torque matched self-locking and staggered abutting gear-type coupler |
| CN104100682B (en) * | 2013-04-11 | 2019-05-14 | 孟良吉 | Torque matches the gear type coupler of self-locking dislocation docking |
| CN110657200A (en) * | 2018-06-29 | 2020-01-07 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
| CN110657200B (en) * | 2018-06-29 | 2021-12-07 | 比亚迪股份有限公司 | Transmission, power driving system and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140123787A1 (en) | Geared infinitely variable transmission | |
| CN101649895A (en) | Mixing type stepless speed change transmission device | |
| CN110549836A (en) | Hybrid power drive system | |
| CN218777413U (en) | Electric drive bridge structure driven by single motor | |
| CN114407637A (en) | Power transmission system and vehicle | |
| CN100529466C (en) | Electrical machinery planetary mechanism stepless gear system | |
| CN216783253U (en) | Power transmission system and vehicle | |
| CN210661264U (en) | Mechanical hydraulic parallel transmission gearbox assembly for harvesting machine | |
| CN201145018Y (en) | Hydraulic differential stepless speed changer | |
| CN201057248Y (en) | Stepless gear system of multiple energy resource segmented planetary mechanism | |
| CN211918383U (en) | Longitudinally-arranged two-gear integrated electric drive bridge behind motor | |
| US20050028626A1 (en) | Gear reduction unit | |
| CN113085519A (en) | Dual-motor electric automobile driving system | |
| CN113007291A (en) | Electrically-driven heavy truck multi-gear transmission system and control method thereof | |
| CN111332113A (en) | Electric vehicle double-motor planetary gear train stepless speed change electric drive system | |
| CN215826461U (en) | Double-motor external electric drive bridge structure | |
| CN211975806U (en) | Overrunning type stepless speed change system | |
| CN100520115C (en) | Hydraulic differential continuously variable transmission | |
| CN210600053U (en) | Centrifugal force automatic transmission | |
| CN201419646Y (en) | Confluence differential infinitely variable driving gear | |
| CN214404551U (en) | Continuously variable transmission with multi-stage reduction mechanism | |
| CN218777397U (en) | Electric drive axle with double gear shifters | |
| CN102261440A (en) | Continuously variable transmission | |
| CN212765496U (en) | Non-shaft type mounting axle with three-stage speed reduction and two-gear speed change mechanism | |
| CN202195015U (en) | Stepless transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: No. 888, azalea Road, Changsha, Hunan, Yuelu District: 410205 Patentee after: Hunan Jianglu & Rongda Vehicle Transmission Limited Company Address before: No. 8, Lu Lu, Changsha, Hunan, China: 410205 Patentee before: Hunan Jianglu & Rongda Vehicle Transmission Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: HUNAN JIANGLURONG VEHICLE DRIVE CO., LTD. Free format text: FORMER NAME: HUNAN JIANGLU-RONGDA VEHICLE TRANSMISSION LIMITED COMPANY |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080507 |