CN101555940B - Accordant junction differential planetary gear train indefinitely variable transmission system - Google Patents
Accordant junction differential planetary gear train indefinitely variable transmission system Download PDFInfo
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- CN101555940B CN101555940B CN 200910068985 CN200910068985A CN101555940B CN 101555940 B CN101555940 B CN 101555940B CN 200910068985 CN200910068985 CN 200910068985 CN 200910068985 A CN200910068985 A CN 200910068985A CN 101555940 B CN101555940 B CN 101555940B
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Abstract
The invention discloses an accordant junction differential planetary gear train indefinitely variable transmission system which comprises a differential planetary gear train transmission device and a first distributary gear sheathed on one end of an input shaft; another end of the input shaft is connected with a planet carrier, one end of a gear shaft of a second distributary gear is connected with the input shaft of an electric generator or a hydraulic oil pump; an output voltage signal of the electric generator or an output hydraulic signal of the hydraulic oil pump is sent to a speed setting controller which receives the signals output by the electric generator or the hydraulic oil pump, compares the signals with a given value, and outputs a control signal to a motor or a hydraulic motor; the motor or the hydraulic motor receives the control signal from the speed setting controller, the output shaft of the motor or the hydraulic motor is connected with the gear shaft of a sun gear; and a lockup clutch is arranged between an output geared ring and the planet carrier. The system has high mechanical efficiency, can realize high power transmission, and is provided with wider transmission ratio continuous variation range and steady speed change.
Description
Technical field
The present invention relates to a kind of vehicle infinitely variable speed transmission; Be specifically related to a kind ofly import jointly, conflux and realize the differential planetary gear train formula vehicle stepless speed variator system of gear ring output at differential planetary gear train with the planet carrier of differential planetary gear train with through the sun gear of motor (or oil hydraulic motor) speed regulating control.
Background technique
The transmission device of a large amount of continuously variables that adopt mainly comprises modes such as metal tape, metal chain transmission and the transmission of hydraulic machine speed change on the vehicle at present.But problems such as it is narrower that these stepless speed changes devices ubiquities slewing range, and complex structure and transmission efficiency are lower.
Summary of the invention
The objective of the invention is to the deficiency to prior art, a kind of, velocity ratio excursion broad simple in structure with stepless speed variator, a kind of accordant junction differential planetary gear train indefinitely variable transmission system that transmission efficiency is high are provided.
Accordant junction differential planetary gear train indefinitely variable transmission system of the present invention; It comprises the differential planetary gear train transmission device of being made up of planet carrier, sun gear, planetary pinion and output gear; It also comprises the first shunting gear of an end that is enclosed within input shaft; The other end of described input shaft links to each other with the planet carrier of described differential planetary gear train transmission device; Link to each other with the input shaft of a generator or hydraulic-pressure pump be meshed gear shaft one end of the second shunting gear that cooperates of the described first shunting gear; Described generator output voltage or hydraulic-pressure pump output hydraulic pressure signal are given a speed-regulating controller; Described speed-regulating controller receives from the hydraulic pressure signal of the voltage signal of described generator output or hydraulic-pressure pump output and with itself and setting value and compares; And the output control signal is given motor or oil hydraulic motor; Described motor or oil hydraulic motor receive the control signal that is used to adjust its rotating speed of described speed-regulating controller, and described motor or hydraulic motor output shaft link to each other with the gear shaft of the sun gear of described differential planetary gear train transmission device, between the output gear of described differential planetary gear train transmission device and planet carrier, are provided with lockup clutch.
Accordant junction differential planetary gear train indefinitely variable transmission system involved in the present invention is the basis with pure mechanical differential planetary gear train transmission device; Control the input speed and the torque of differential planetary gear train sun gear through the planet carrier of planetary gear train with by motor (or oil hydraulic motor); Can obtain by the conflux stepless change output of back gear ring of differential planetary gear train, can obtain to satisfy fully the stepless speed variator system that vehicle driving power character, Economy require.Different with automatic gear shift transmission device with existing all kinds of automobile-used stepless change, the present invention utilizes the higher efficiency of single planetary gear train transmission, adopts multistage speed governing design method to realize system's stepless change.When low vehicle speeds, engine power is transmitted by the higher differential planetary train of transmission efficiency, and motor (or oil hydraulic motor) only provides speed governing power to realize stepless speed regulation; When velocity ratio equals 1 or be slightly less than 1 (directly retaining or overgear), then with the complete locking of differential planetary gear train, utilize the independent transferring power of planetary gear train of locking, thereby be implemented in stepless change in the full vehicle speed range, improve the purpose of overall transmission efficiency.
The invention has the advantages that: simple in structure, Transmitted chains weak point, inefficient transmission links such as no fluid power, friction, mechanical efficiency is high; Can realize high-power transmission, and have the continuous excursion of wideer velocity ratio, speed change is steady; Be convenient to realize Ruiss Controll, can realize when abrupt slope up and down that particularly any speed of a motor vehicle sets control, improve Safety performance etc.
Description of drawings
Fig. 1 is an accordant junction differential stepless speed variator system transmission sketch of the present invention;
Fig. 2 is an accordant junction differential stepless speed variator system power transfer route schematic representation of the present invention;
Fig. 3 is that accordant junction differential stepless speed variator system of the present invention directly keeps off power transmission schematic representation.
Embodiment
Describe the present invention below in conjunction with accompanying drawing and specific embodiment.
Accordant junction differential planetary gear train indefinitely variable transmission system of the present invention as shown in Figure 1, native system is made up of input shaft 1, shunting gearing 11, differential planetary gear train transmission device 13, speed-regulating actuator 12 etc.The shunting gearing is made up of than the first shunting gear 2 and the second shunting gear 3 a pair of constant speed; Differential planetary gear train transmission device 13 is made up of planet carrier 4, sun gear 5, planetary pinion 6 and output gear 7 four parts, is provided with lockup clutch 14 between the output gear 7 of planetary gear train and the planet carrier 4; Speed-regulating actuator is made up of generator (or hydraulic-pressure pump) 8, speed-regulating controller 9, motor (or oil hydraulic motor) 10.
The first shunting gear 2 is enclosed within an end of input shaft 1; The other end of described input shaft 1 links to each other with the planet carrier 4 of described planetary gear train transmission device; Link to each other with the input shaft of a generator (or hydraulic-pressure pump) 8 be meshed gear shaft one end of the second shunting gear 3 that cooperates of the described first shunting gear 2; Described generator (or hydraulic-pressure pump) 8 output voltages (or hydraulic pressure) signal is given a speed-regulating controller 9; Described speed-regulating controller 9 receives from voltage (or hydraulic pressure) signal of described generator (or hydraulic-pressure pump) 8 outputs and with itself and setting value and compares; And the output control signal is given motor (or oil hydraulic motor) 10; Described motor (or oil hydraulic motor) 10 receives the control signal that is used to adjust its rotating speed of described speed-regulating controller 9, and the output shaft of described motor (or oil hydraulic motor) 10 links to each other with the gear shaft of the sun gear 5 of described planetary gear train transmission device, between the output gear 7 of described planetary gear train transmission device and planet carrier 4, is provided with lockup clutch 14.
Accordant junction differential planetary gear train stepless speed variator system power transfer route schematic representation involved in the present invention is as shown in Figure 2.The shunting gearing is divided into two-part with the power of input shaft 1 input: main power inputs to the differential planetary gear train transmission device from 2 outputs of the first shunting gear through planet carrier 4; Another road speed governing power passes to generator 8 (or hydraulic-pressure pump) through the second shunting gear 3; Generator 8 is converted into electric energy (or hydraulic pressure ability) with speed governing power again; Regulate the rotating speed and torque of motor 10 (or oil hydraulic motor) output through speed-regulating controller 9 after, reach the sun gear 5 of differential planetary gear train again.Finally by the differential planetary gear train transmission device with the two-way power flow concentration, by gear ring 7 output, to realize system-wide stepless change transmission.
Accordant junction differential planetary gear train stepless speed variator system involved in the present invention has bigger velocity ratio excursion.Through speed-regulating controller 9, regulate the rotating speed and the torque of motor (or oil hydraulic motor) 10, can obtain to have forward, the continually varying velocity ratio region of variation of operating mode such as zero-sum negative sense, realize the advancing of vehicle, neutral and reverse travel transmission.When the velocity ratio that advances is 1 or output gear in the planetary gear train transmission device 7 and planet carrier 4 is implemented lockings control through lockup clutch 14 less than 1 the time, can realize the direct retaining or the overgear transmission of stepless speed variator.It is as shown in Figure 3 that the accordant junction differential stepless speed variator system directly keeps off power transmission schematic representation.
Accordant junction differential stepless gear system involved in the present invention is the basis with pure mechanical differential transmitting linkage; Through input speed and the torque by the sun gear of motor (or oil hydraulic motor) control planetary gear train (or planet carrier etc.), acquisition can be satisfied the stepless speed variator system that vehicle driving power character, Economy require fully.Different with automatic gear shift transmission device with existing all kinds of automobile-used stepless change, the present invention utilizes the higher efficiency of planet row transmission, adopts multistage speed governing design method to realize system's speed change.When low vehicle speeds, engine power is by the high planetary gear train transmission of transmission efficiency, and motor (or oil hydraulic motor) only provides speed governing power to realize stepless speed regulation; When velocity ratio equals 1 or be slightly less than 1 (directly retaining or overgear); Then with the gear ring and the complete locking of planet carrier of planetary gear train; Utilize the output gear of locking, direct transferring power, thus be implemented in stepless change in the full vehicle speed range, improve the purpose of overall transmission efficiency.
Claims (1)
1. accordant junction differential planetary gear train indefinitely variable transmission system; It comprises the differential planetary gear train transmission device of being made up of planet carrier, sun gear, planetary pinion and output gear; It is characterized in that: it also comprises the first shunting gear of an end that is enclosed within input shaft; The other end of described input shaft links to each other with the planet carrier of described differential planetary gear train transmission device; Link to each other with the input shaft of a generator or hydraulic-pressure pump be meshed gear shaft one end of the second shunting gear that cooperates of the described first shunting gear; Described generator output voltage or hydraulic-pressure pump output hydraulic pressure signal are given a speed-regulating controller; Described speed-regulating controller receives from the hydraulic pressure signal of the voltage signal of described generator output or hydraulic-pressure pump output and with itself and setting value and compares; And the output control signal is given motor or oil hydraulic motor; Described motor or oil hydraulic motor receive the control signal that is used to adjust its rotating speed of described speed-regulating controller, and described motor or hydraulic motor output shaft link to each other with the gear shaft of the sun gear of described differential planetary gear train transmission device, between the output gear of described differential planetary gear train transmission device and planet carrier, are provided with lockup clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910068985 CN101555940B (en) | 2009-05-22 | 2009-05-22 | Accordant junction differential planetary gear train indefinitely variable transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910068985 CN101555940B (en) | 2009-05-22 | 2009-05-22 | Accordant junction differential planetary gear train indefinitely variable transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101555940A CN101555940A (en) | 2009-10-14 |
| CN101555940B true CN101555940B (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910068985 Expired - Fee Related CN101555940B (en) | 2009-05-22 | 2009-05-22 | Accordant junction differential planetary gear train indefinitely variable transmission system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864259A (en) * | 2017-03-10 | 2017-06-20 | 何乃高 | A kind of buncher |
| CN107975571A (en) * | 2017-12-08 | 2018-05-01 | 江苏南自通华电力自动化股份有限公司 | A kind of three endpoint column planetary gear high-power energy saving governing systems |
| CN110030341A (en) * | 2018-01-12 | 2019-07-19 | 怀化沃普环保科技有限公司 | Planetary gear multi-way electronic speed regulation mechanism |
| CN109695685B (en) * | 2019-01-31 | 2020-07-03 | 山东科技大学 | Converging device with variable characteristic coefficients and application thereof |
| CN112081883A (en) * | 2019-06-12 | 2020-12-15 | 林贵生 | Stepless speed regulator based on differential transmission/power confluence mechanism and energy-saving system thereof |
| CN112377592A (en) * | 2020-11-16 | 2021-02-19 | 重庆大学 | Single-stage planetary gear return flow type hydraulic mechanical stepless transmission system |
| CN112555382A (en) * | 2020-12-02 | 2021-03-26 | 李瑞环 | Triode clutch and working method thereof |
| CN114060481A (en) * | 2021-12-17 | 2022-02-18 | 山东江华机械制造有限公司 | Stepless speed regulating transmission of harvester |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037011U (en) * | 1988-09-30 | 1989-05-03 | 李培基 | Constant power stepless speed-changing mechanism |
| CN1807888A (en) * | 2006-02-09 | 2006-07-26 | 西安理工大学 | Wind and electricity hybrid driving method and apparatus for sucker rod pump |
| CN201419646Y (en) * | 2009-05-22 | 2010-03-10 | 中国人民解放军军事交通学院 | Confluence differential infinitely variable driving gear |
-
2009
- 2009-05-22 CN CN 200910068985 patent/CN101555940B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037011U (en) * | 1988-09-30 | 1989-05-03 | 李培基 | Constant power stepless speed-changing mechanism |
| CN1807888A (en) * | 2006-02-09 | 2006-07-26 | 西安理工大学 | Wind and electricity hybrid driving method and apparatus for sucker rod pump |
| CN201419646Y (en) * | 2009-05-22 | 2010-03-10 | 中国人民解放军军事交通学院 | Confluence differential infinitely variable driving gear |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-9348A 1998.01.13 |
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| CN101555940A (en) | 2009-10-14 |
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