CN107606076A - A kind of two gear power transmissions with synchronizer - Google Patents

A kind of two gear power transmissions with synchronizer Download PDF

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Publication number
CN107606076A
CN107606076A CN201711012770.8A CN201711012770A CN107606076A CN 107606076 A CN107606076 A CN 107606076A CN 201711012770 A CN201711012770 A CN 201711012770A CN 107606076 A CN107606076 A CN 107606076A
Authority
CN
China
Prior art keywords
gear
input shaft
lock ring
planetary gearsets
synchronizer
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.)
Pending
Application number
CN201711012770.8A
Other languages
Chinese (zh)
Inventor
孙德山
关崴
贾海涛
姚书涛
李晓宇
苏俊元
李宾龙
郑广学
宋名
韩东鑫
张维明
刘晓宁
华静雪
付岩
于泳宁
何延宇
孙楚萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Dongan Automotive Engine Manufacturing Co Ltd
Original Assignee
Harbin Dongan Automotive Engine Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harbin Dongan Automotive Engine Manufacturing Co Ltd filed Critical Harbin Dongan Automotive Engine Manufacturing Co Ltd
Priority to CN201711012770.8A priority Critical patent/CN107606076A/en
Publication of CN107606076A publication Critical patent/CN107606076A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a kind of two gear power transmissions with synchronizer, including gear shift unit, gear shift unit power is provided by hydraulic system, gear shift unit is connected with synchronizing shaft combined cover, synchronizing shaft combined cover outer end is provided with input shaft lock ring, input shaft lock ring, which is set, to be arranged on input shaft, input shaft lock ring outer end is provided with housing lock ring, housing lock ring is arranged on casing, sun gear is provided with input shaft, planet carrier is additionally provided with input shaft, planetary gearsets one are provided with planet carrier, planetary gearsets two, planetary gearsets one engage with sun gear, planetary gearsets one also engage with planetary gearsets two, planetary gearsets two engage with external toothing, external toothing is connected with transmission drive gear.The present invention is simple for structure, reasonable in design, and the decelerator of action edge transmission by the action of HYDRAULIC CONTROL SYSTEM synchronizer, can be entered using this device, can improve vehicle electric energy utilization rate and distance travelled, and its various aspects of performance is more prominent.

Description

A kind of two gear power transmissions with synchronizer
Technical field
The present invention relates to power transmission device technical field, more particularly to a kind of two gear power transmission dresses with synchronizer Put.
Background technology
In automatic transmission used in conventional fuel oil automobile, coordinated by two-part structure and realize cutting between different stalls Change, the gear that a part is made up of multiple planetary gear trains, another part is by each clutch, brake and individual event clutch The gearshift part of device composition, because clutch and brake belong to friction element, with increasing for friction element, damaged by friction It is also unavoidable to lose the efficiency reduction brought.Electric automobile is driven using motor, and motor is operated between high efficient area and can saved Electric energy, improve the distance travelled of vehicle;Using the electric car of fixed speed ratio to the utilization rate of motor than relatively low, and use too much Shift structure complexity speed changer can cause the efficiency of motor to decline;Therefore, power loss is smaller, more compact structure, simple, assembling Convenient power transmission turns into following developing direction of speed reducer for electric vehicle.
The content of the invention
Instant invention overcomes above-mentioned the deficiencies in the prior art, there is provided a kind of two gear power transmission dresses with synchronizer Put.
Technical scheme:
A kind of two gear power transmissions with synchronizer, including casing, gear shift unit, synchronizer combined cover, input Axle lock ring, input shaft, output shaft, housing lock ring, external toothing, transmission drive gear, transfer driven gear, planetary gearsets one, Planetary gearsets two, planet carrier, sun gear, the gear shift unit power are provided by hydraulic system, the gear shift unit with it is synchronous Axle combined cover connects, and the synchronizing shaft combined cover outer end is provided with input shaft lock ring, and the input shaft lock ring sets and is arranged on institute State on input shaft, the input shaft lock ring outer end is provided with housing lock ring, and the housing lock ring is arranged on casing, the input The sun gear is provided with axle, planet carrier is additionally provided with the input shaft, the planet tooth is provided with the planet carrier Wheel group one, the planetary gearsets two, the planetary gearsets one engage with the sun gear, the planetary gearsets one also with The planetary gearsets two engage, and the planetary gearsets two engage with external toothing, and the external toothing connects with transmission drive gear Connect;
The transmission drive gear engages with the transfer driven gear, and the transfer driven gear is fixedly mounted on described On power transmission shaft, first gear is additionally provided with the power transmission shaft, the first gear engages with second gear, the second gear It is fixedly mounted on the output shaft;
The input shaft, the output shaft, the power transmission shaft are horizontally arranged at the box house.
Preferably, the input shaft lock ring and planet carrier are connected with input shaft spline respectively.
Preferably, it is additionally provided with differential mechanism on the output shaft.
The present invention has the advantages that relative to prior art:
The two gear power transmissions disclosed by the invention with synchronizer control synchronizer combined cover by gear shift unit Input shaft lock ring is combined with sun gear or housing lock ring is combined with sun gear, control the transmission of power, ensure power transmission Loss reduce, the present apparatus is relative to a gear more than the single grade of decelerator currently mainly used so as to realizing that electric car is rising Step and accelerate when decelerator be operated in low-grade location realize high pulling torque output be easy to electric car to accelerate, in high speed using high tap position from And improve max. speed and ensure that motor is operated in high efficiency range, so as to relative to single grade of decelerator, can mainly be carried from performance Acceleration when high max. speed and starting and acceleration, by the speeds match of decelerator, motor can be more operated in High efficient area, final output high pulling torque area can improve, while motor can be designed to that the bigger maximum speed of moment of torsion is more lower, section The cost of power saving machine, and reduce existing battery of electric vehicle off-capacity, the problem of course continuation mileage is short;This other decelerator uses Planetary gear is driven relative to ordinary gear transmission with small volume, in light weight, compact-sized, transmits that power is big, carrying Ability is high;Gearratio is big;The advantages of stable movement, stronger shock resistance and ability of vibration;The present apparatus has to enter using synchronizer The feature of row gearshift, had according to the eigen present apparatus when running at high speed in order that shift gears more smooth-going and quickly and reduces two The trouble of secondary gearshift, changed without stopping can in neutral gear, improve the comfortableness of driving, reduced during gearshift between gear Abrasion, serve the effect for the service life for extending speed changer.
Apparatus of the present invention are simple for structure, reasonable in design, can be this by the action of HYDRAULIC CONTROL SYSTEM synchronizer, use Device enters the decelerator of action edge transmission, can improve vehicle electric energy utilization rate and distance travelled, and its various aspects of performance is more It is prominent.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of invention.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is that synchronizer combined cover of the present invention makes housing lock ring and sun gear integrated structure schematic diagram;
Fig. 3 is the structural representation that synchronizer combined cover of the present invention makes that input shaft lock ring is combined with sun gear.
1- casings in figure;2- gear shift units;3- synchronizer combined covers;4- input shaft lock rings;5- input shafts;6- housings are locked Ring;7- external toothings;8- is driven drive gear;9- planetary gearsets two;10- planetary gearsets one;11- planet carriers;The 12- sun Wheel;13- transfer driven gears;14- first gears;15- power transmission shafts;16- second gears;17- output shafts.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail.
With reference to shown in Fig. 1 to Fig. 3, a kind of Maintenance of Agricultural Machinery platform disclosed in the present embodiment, including casing 1, gear shift unit 2, Synchronizer combined cover 3, input shaft lock ring 4, input shaft 5, output shaft 17, housing lock ring 6, external toothing 7, transmission drive gear 8, biography Dynamic driven gear 13, planetary gearsets 1, planetary gearsets 29, planet carrier 11, sun gear 12, the gear shift unit 2 with it is same Step device combined cover 3 connects, and the outer end of synchronizer combined cover 3 is provided with input shaft lock ring 4, and the input shaft lock ring 4 sets peace On the input shaft 5, the outer end of input shaft lock ring 4 is provided with housing lock ring 6, and the housing lock ring 6 is arranged on casing 1 On, the sun gear 12 is provided with the input shaft 5, planet carrier 11, the planet carrier are additionally provided with the input shaft 5 The planetary gearsets 1, the planetary gearsets 2 10, the planetary gearsets 1 and the sun are provided with 11 The engagement of wheel 12, the planetary gearsets 1 also engage with the planetary gearsets 29, the planetary gearsets 29 and external tooth The engagement of circle 7, the external toothing 7 are connected with transmission drive gear 8;
The transmission drive gear 8 is engaged with the transfer driven gear 9, and the transfer driven gear 9 is fixedly mounted on On the power transmission shaft 15,15 are additionally provided with first gear 14 on the power transmission shaft, and the first gear 14 engages with second gear, The second gear 16 is fixedly mounted on the output shaft 17;
The input shaft 5, the power transmission shaft 15, the output shaft 17 are installed in parallel in inside the casing 1 successively.
Specifically, the input shaft lock ring 4 and planet carrier 11 are connected with the spline of input shaft 5 respectively.
Specifically, it is additionally provided with differential mechanism on the output shaft 17.
For the present invention when system needs to realize a certain gear, hydraulic system 1 controls synchronizer knot according to the control of electric signal Trap 3 realizes interoperation between input shaft lock ring 4, housing lock ring 6 and sun gear 12, planet carrier 11 and input shaft 5 and input Power is connected;
Synchronizer combined cover 3 makes housing lock ring 6 be combined with sun gear 12 (accompanying drawing 2), and housing lock ring 6 makes sun gear 12 Dynamic, power inputs from planet carrier 11, input shaft 5, and planet carrier, which rotates, drives 29 turns of planetary gearsets 1 and planetary gearsets Dynamic, because sun gear 12 is braked by housing lock ring 6, external toothing 7 rotates in the case where the planetary gearsets two being engaged with act on, power Exported with external toothing 7 and transmission drive gear 8, the power of output is by being driven drive gear 8, transfer driven gear 13, first Gear 14, second gear 16 are delivered to tire;
Synchronizer combined cover 3 makes input shaft lock ring 4 be combined (accompanying drawing 3) with sun gear 12, by sun gear 12 and input shaft 5 It is fixed together, planet carrier 11, input shaft 5 and sun gear 12 while input power, sun gear 12 and planet carrier 11 are synchronized Rotate, planetary mechanism is locked, realize 1:Than output power, power exports 1 speed with external toothing 7 and transmission drive gear 8, defeated The power gone out is delivered to tire by being driven drive gear 8, transfer driven gear 13, first gear 14, second gear 16;
When system switches between two gears, it is necessary to by hydraulic system 1 gear shift unit 2 is carried out it is electro-hydraulic accurate Control, when realizing that synchronizer combined cover 3 make it that housing lock ring 6 is combined with sun gear 12 in motion, input shaft lock ring 4 and the sun The separation of wheel 12;Conversely, when input shaft lock ring 4 is combined with sun gear 12, housing lock ring 6 separates with input shaft 12.
Above example is the exemplary illustration to this patent, does not limit its protection domain, people in the art Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.

Claims (3)

1. a kind of two gear power transmissions with synchronizer, it is characterised in that including casing (1), gear shift unit (2), same Walk device combined cover (3), input shaft lock ring (4), input shaft (5), output shaft (17), housing lock ring (6), external toothing (7), transmission drive Moving gear (8), transfer driven gear (13), planetary gearsets one (10), planetary gearsets two (9), planet carrier (11), sun gear (12), the dynamical system of the gear shift unit (2) provides with hydraulic system, the gear shift unit (2) and synchronizer combined cover (3) Connection, synchronizer combined cover (3) outer end are provided with input shaft lock ring (4), and the input shaft lock ring (4) sets and is arranged on institute State on input shaft (5), input shaft lock ring (4) outer end is provided with housing lock ring (6), and the housing lock ring (6) is arranged on case On body (1), the sun gear (12) is provided with the input shaft (5), planet carrier is additionally provided with the input shaft (5) (11) planetary gearsets one (9), the planetary gearsets two (10), the planet, are provided with the planet carrier (11) Gear train one (10) engages with the sun gear (12), the planetary gearsets one (10) also with the planetary gearsets two (9) Engagement, the planetary gearsets two (9) are engaged with external toothing (7), and the external toothing (7) is connected with transmission drive gear (8);
The transmission drive gear (8) is engaged with the transfer driven gear (9), and the transfer driven gear (9) is fixedly mounted On the power transmission shaft (15), (15) are additionally provided with first gear (14) on the power transmission shaft, the first gear (14) and the Two gears are engaged, and the second gear (16) is fixedly mounted on the output shaft (17);
The input shaft (5), the power transmission shaft (15), the output shaft (17) are installed in parallel in the casing (1) inside successively.
A kind of 2. two gear power transmissions with synchronizer according to claim 1, it is characterised in that the input Axle lock ring (4) and planet carrier (11) are connected with input shaft (5) spline respectively.
A kind of 3. two gear power transmissions with synchronizer according to claim 1, it is characterised in that the output Axle is additionally provided with differential mechanism on (17).
CN201711012770.8A 2017-10-26 2017-10-26 A kind of two gear power transmissions with synchronizer Pending CN107606076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711012770.8A CN107606076A (en) 2017-10-26 2017-10-26 A kind of two gear power transmissions with synchronizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711012770.8A CN107606076A (en) 2017-10-26 2017-10-26 A kind of two gear power transmissions with synchronizer

Publications (1)

Publication Number Publication Date
CN107606076A true CN107606076A (en) 2018-01-19

Family

ID=61080755

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711012770.8A Pending CN107606076A (en) 2017-10-26 2017-10-26 A kind of two gear power transmissions with synchronizer

Country Status (1)

Country Link
CN (1) CN107606076A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200138989A (en) * 2019-06-03 2020-12-11 주식회사 디아이씨 Two-stage speed reducer for vehicle and control method of it

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200138989A (en) * 2019-06-03 2020-12-11 주식회사 디아이씨 Two-stage speed reducer for vehicle and control method of it
KR102195972B1 (en) * 2019-06-03 2020-12-28 주식회사 디아이씨 Two-stage speed reducer for vehicle and control method of it

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