CN206600426U - A kind of stepless speed variation device - Google Patents
A kind of stepless speed variation device Download PDFInfo
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- CN206600426U CN206600426U CN201720282720.0U CN201720282720U CN206600426U CN 206600426 U CN206600426 U CN 206600426U CN 201720282720 U CN201720282720 U CN 201720282720U CN 206600426 U CN206600426 U CN 206600426U
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Abstract
The utility model is related to technical field of mechanical transmission, in particulars relate to a kind of stepless speed variation device.Including input shaft, output shaft, the planet wheel assembly being arranged between input shaft and output shaft, the clutch for being arranged on the energy conversion unit of planet wheel assembly output end, being arranged on the second converting unit.The apparatus structure is compact, fault rate is low, and gear ratio is adjusted using energy transfer mechanism energy storage, and kinetic energy loss is few, is conducive to the recovery of energy.
Description
Technical field
The utility model is related to technical field of mechanical transmission, in particulars relate to a kind of stepless speed variation device.
Background technology
Variable speed refers to continuously obtain the speed change system of any gearratio in slewing range.Can by variable speed
To obtain the best match of power train and engine operating mode.Common buncher has hydraulic mechanical type buncher and gold
Belong to variable v-belt drive（VDT-CVT）And variable ramp type buncher.These existing bunchers not only structure
Complicated, fault rate is high, and due to the limitation of drive mechanism, the gear ratio that can only be exported using the adjustment of the control ends such as motor, it is impossible to
Realize that energy is changed, be unfavorable for the recycling of energy.
The content of the invention
The purpose of this utility model is that a kind of compact conformation of offer, fault rate are low, utilize energy to turn to solve the above problems
Change the stepless speed variation device of adjustment gear ratio.
The utility model is to solve the technical scheme that is used of technical problem：
A kind of stepless speed variation device described in the utility model, including input shaft, output shaft, it is arranged on input shaft and defeated
Planet wheel assembly between shaft, it is arranged on the energy conversion unit of planet wheel assembly output end, is arranged on the second converting unit
Clutch.
The planet wheel assembly includes shaft end gear, internal axle sleeve, sun gear, sun gear synchromesh gear, outer shaft, internal tooth
Circle, ring gear synchronizing wheel, double-planetary gear, planet carrier, the shaft end gear are fixedly connected on the end of input shaft, and internal axle sleeve is slided
Dynamic to be sleeved on input shaft, the two ends of the internal axle sleeve are respectively fixedly connected with sun gear and sun gear synchromesh gear, the sun
Wheel and the equal slip cap of sun gear synchromesh gear are on input shaft；The outer shaft slip cap is mounted on internal axle sleeve, outer shaft
Two ends are respectively fixedly connected with ring gear and ring gear synchronizing wheel, and the equal slip cap of ring gear and ring gear synchronizing wheel is mounted in interior axle
Put；Double-planetary gear is provided between sun gear and ring gear, the double-planetary gear is fixedly connected on same by two
Gear on wheel shaft is constituted, and a gear in double-planetary gear is engaged in sun gear and ring gear, double-planetary gear simultaneously
Another gear is engaged with shaft end gear, and the wheel shaft of the double-planetary gear is slidably installed in planet carrier by bearing, described
External toothing is carried on planet carrier；The center of planet carrier is fixedly mounted in output shaft；
The energy conversion unit includes the first converting unit, the second converting unit and energy switching controller, described
Energy switching controller is connected between the first converting unit and the second converting unit, for controlling the first converting unit and second
The working condition of converting unit, first converting unit is provided with the first transaxle, first transaxle and is fixedly mounted
There is input shaft gear, the input shaft gear is engaged with ring gear synchronizing wheel, second converting unit is provided with the second conversion
Axle；Clutch is installed on second transaxle；
The clutch includes being fixedly mounted on the driving wheel on the second transaxle, slip cap on the second transaxle
The first engagement wheel and the second engagement wheel, be provided with the first joint portion for connecting driving wheel on the first engagement wheel, the
The second joint portion for connecting driving wheel is provided with two engagement wheels；First engagement wheel is engaged with external toothing, the second engagement wheel
Engaged with sun gear synchromesh gear.
First converting unit and the second converting unit are pump motor, and the energy switching controller is to be used to control
The control unit of pump motor pump housing drift angle state.
As a result of said structure, the apparatus structure is compact, fault rate is low, is adjusted and become using energy transfer mechanism energy storage
Speed ratio, kinetic energy loss is few, is conducive to the recovery of energy.
Brief description of the drawings
Fig. 1 is the drive path structural representation of the utility model one embodiment.
Fig. 2 is the drive path schematic diagram of the right engagement state of clutch.
Fig. 3 is the drive path schematic diagram of the left engagement state of clutch.
Embodiment
As shown in figure 1, a kind of stepless speed variation device described in the utility model includes input shaft 1, output shaft 5, set
Planet wheel assembly, the energy conversion unit for being arranged on planet wheel assembly output end between input shaft 1 and output shaft 5, setting
In the clutch of the second converting unit.The planet wheel assembly includes shaft end gear A1, internal axle sleeve A0, sun gear 2, sun gear
Synchromesh gear A2, outer shaft, ring gear 3, ring gear synchronizing wheel A3, double-planetary gear 4, planet carrier 6.Wherein, shaft end gear A1,
Sun gear 2, sun gear synchromesh gear A2, double-planetary gear 4 are roller gear；Ring gear 3 is the circle that inner ring surface carries gear ring
Ring body, the one side of torus is fixedly connected with a disk；Ring gear synchronizing wheel A3 can be according to selecting Cylinder Gear the need for transmission
Wheel, conical gear or belt pulley.
The shaft end gear A1 is fixedly connected on the end of input shaft 1, and is coaxially disposed with input shaft 1, and input shaft 1 rotates
When drive shaft end gear A1 synchronous rotaries；Internal axle sleeve A0 slip caps can freely revolve between the two on input shaft 1
Turn, the devices such as bearing can also be set to reduce frictional force between internal axle sleeve A0 and input shaft 1.The two ends difference of the internal axle sleeve A0
Sun gear 2 and sun gear synchromesh gear A2 are fixedly connected with, the equal slip cap of the sun gear 2 and sun gear synchromesh gear A2 is mounted in defeated
Enter on axle 1, internal axle sleeve A0, sun gear 2, sun gear synchromesh gear A2 is connected as one and can be with synchronous rotary；It is described outer
Axle sleeve slip cap can be rotated freely between the two on internal axle sleeve A0；The two ends of outer shaft are respectively fixedly connected with ring gear 3
With ring gear synchronizing wheel A3, the equal slip cap of the ring gear 3 and ring gear synchronizing wheel A3 on the internal axle sleeve A0, make ring gear 3,
Ring gear synchronizing wheel A3, internal axle sleeve A0 are connected as one and can synchronous rotaries；It is provided between sun gear 2 and ring gear 3
Double-planetary gear 4, the double-planetary gear 4 is made up of two gears being fixedly connected on same wheel shaft, in double-planetary gear 4
Another gear for engaging simultaneously in sun gear 2 and ring gear 3, double-planetary gear 4 of a gear engaged with shaft end gear A1,
The wheel shaft of the double-planetary gear 4 is slidably installed in planet carrier 6 by bearing, in such planet carrier 6 of double-planetary gear 4
There are three, be uniformly distributed between any two in 120 degree of angles.When input shaft 1 and shaft end gear A1 rotations, by being engaged with
Double-planetary gear 4 drive ring gear 3 and ring gear synchronizing wheel A3 rotation；At the same time, double-planetary gear 4 also can be by therewith
The sun gear 2 of engagement is realized with sun gear synchromesh gear A2 and is driven.
In addition, external toothing A6 is carried on the planet carrier 6, for connecting clutch；Output shaft 5 is fixedly mounted on planet
The center of frame 6, makes output shaft 5 and external toothing A6 synchronous rotaries.
The energy conversion unit includes the first converting unit 12, the second converting unit 13 and energy switching controller
16, the energy switching controller 16 is connected between the first converting unit 12 and the second converting unit 13, for controlling first
The working condition of the converting unit 13 of converting unit 12 and second, first converting unit 12 is provided with the first transaxle 8, described
Input shaft gear A8 is installed with first transaxle 8, the input shaft gear A8 is engaged with ring gear synchronizing wheel A3, this reality
The input shaft gear A8 and ring gear synchronizing wheel A3 applied in example uses roller gear, as another embodiment, can also adopt
The input of power is realized with conical gear；Certainly, as another embodiment, belt pulley can also be used, is connected by belt
Two belt pulleys realize that power is transmitted.Second converting unit 13 is provided with the second transaxle 11；On second transaxle 11
Clutch is installed；
Driving wheel A11, the slip cap that the clutch includes being fixedly mounted on the second transaxle 11 are mounted in second turn
It is provided with the first engagement wheel 10 and the second engagement wheel 9 changed on axle 11, the first engagement wheel 10 for connecting driving wheel A11
The first joint portion A10, be provided with the second joint portion A9 for connecting driving wheel A11 on the second engagement wheel 9；First engagement wheel
10 are engaged with external toothing A6, and the second engagement wheel 9 is engaged with sun gear synchromesh gear A2.The clutch can be rubbed using existing
Wheeled type clutch is wiped, now the first joint portion A10 and the second joint portion A9 are the friction pulleys that can be combined with driving wheel A11,
The second joint portion A9 is separated when the first joint portion A10 is combined with driving wheel A11, and the second transaxle 11 drives first to engage
Wheel 10, external toothing A6, planet carrier 6 rotate, and now the first transaxle 8 drives the first converting unit 12, and mechanical energy is converted into liquid
The energy of the other forms such as pressure, electric power, under the control action of energy switching controller 16, utilizes the hydraulic pressure after conversion, electric energy
The second converting unit 13 is driven Deng energy, ability is converted into by mechanical energy by second converting unit 13, by the second transaxle
11 outputs, are then delivered on output shaft 5 by planet carrier 6.
The converting unit 13 of first converting unit 12 and second is pump motor, and the energy switching controller 16 is to use
In the control unit of controlling pump motor-mount pump body slip angle state.Pump motor is a kind of hydraulic pressure for having hydraulic motor and hydraulic pressure pumping function concurrently
The energy of hydraulic oil, can be converted into the mechanical energy of rotating shaft rotation, work by element when it is operated in hydraulic motor state
The mechanical energy compression hydraulic oil that can be rotated again using rotating shaft when hydraulic pump state, produces hydraulic oil.Energy conversion control
Device 16 processed realizes the transformation of its working condition, the shape for making it be operated in motor condition or pump by changing pump motor pump housing drift angle
State.The mechanical structure of pump motor is prior art, be will not be repeated here.The energy switching controller 16 can use fluid pressure line
Realize, it would however also be possible to employ electromagnetic control circuit.
As shown in Fig. 2 when clutch right engagement, energy switching controller 16 controls the first converting unit 12 to be operated in
Pump state, the second converting unit 13 is operated in hydraulic motor state；Now the second joint portion A9 and sun gear 2 are hanging, for expression
For the sake of clear, hidden on Fig. 2.Input shaft 1 is rotated forward, shaft end gear A1 and the right-hand member of double-planetary gear 4 of the right-hand member of input shaft 1
Gear external toothing, double-planetary gear 4 is reversely rotated.The gear of the left end of double-planetary gear 4 and the internal messing of ring gear 3, drive internal tooth
Circle 3 is reversely rotated；Ring gear 3 drives outer shaft and ring gear synchronizing wheel A3 to reversely rotate, ring gear synchronizing wheel A3 and input shaft
The external toothing of gear A 8, input shaft gear A8 is rotated forward；Because the pump motor of now the first converting unit 12 is the operating mode in pump
Lower work, input shaft gear A8 drives the first transaxle 8 to rotate, and the mechanical energy of input can be converted into hydraulic energy, from fuel tank
Middle draw oil, the pump motor output hydraulic oil to the second converting unit 13；At the same time, as the second converting unit 13
Pump motor is operated in the state of hydraulic motor, and the hydraulic energy of the hydraulic oil of input is changed into the second transaxle 11 of promotion rotates
Mechanical energy.10 are taken turns by the first engagement drive the external toothing A6 and planet that are engaged with when second transaxle 11 rotates
Frame 6, output shaft 5 rotate.Now output shaft 5 is operated in low speed segment.
As shown in figure 3, when clutch left engagement, energy switching controller 16 controls the first converting unit 12 to be operated in
Hydraulic motor state, the second converting unit 13 is operated in hydraulic pump state；Now the first engagement wheel 10 is hanging, to have expressed clearly
See, hidden on Fig. 3.Input shaft 1 is rotated forward, outside the shaft end gear A1 and the right-hand member gear of double-planetary gear 4 of the right-hand member of input shaft 1
Engagement, double-planetary gear 4 is reversely rotated.The gear of the left end of double-planetary gear 4 and the external toothing of sun gear 2, drive sun gear synchronous
Gear A 2 is rotated forward, and sun gear synchromesh gear A2 drives the second of external toothing therewith to engage wheel 9 and reversely rotated again, the second engagement
Wheel 9 drives the synchronous rotary of the second transaxle 11 by clutch, because now the second converting unit 13 is operated in the shape of hydraulic pump
Under state, the mechanical energy of input can be converted into hydraulic energy by the second converting unit 13 when the second transaxle 11 rotates, from oil
Draw oil, the pump motor output hydraulic oil to the first converting unit 12 in case；At the same time, as the first converting unit 12
Pump motor be operated in the state of hydraulic motor, by the hydraulic energy of the hydraulic oil of input be changed into promotion the first transaxle 8 revolve
The mechanical energy turned, the first transaxle 8 drives the ring gear synchronizing wheel A3 being engaged with to rotate by input shaft gear A8, ring gear
Synchronizing wheel A3 drives the synchronous rotary of ring gear 3 again.While the gear of the left end of double-planetary gear 4 is engaged with sun gear 2 and internal tooth
3 internal messings are enclosed, the rotation of ring gear 3 drives planet carrier 6, output shaft 5 to rotate by double-planetary gear 4.Now output shaft 5 works
In high regime.
Claims (2)
1. a kind of stepless speed variation device, including input shaft（1）, output shaft（5）, be arranged on input shaft（1）And output shaft（5）
Between planet wheel assembly, be arranged on the energy conversion unit of planet wheel assembly output end, be arranged on the second converting unit from
Close mechanism, it is characterised in that：
The planet wheel assembly includes shaft end gear（A1）, internal axle sleeve（A0）, sun gear（2）, sun gear synchromesh gear（A2）, it is outer
Axle sleeve, ring gear（3）, ring gear synchronizing wheel（A3）, double-planetary gear（4）, planet carrier（6）, the shaft end gear（A1）It is fixed
It is connected to input shaft（1）End, internal axle sleeve（A0）Slip cap is mounted in input shaft（1）On, the internal axle sleeve（A0）Two ends point
Sun gear is not fixedly connected with it（2）With sun gear synchromesh gear（A2）, the sun gear（2）With sun gear synchromesh gear（A2）Slide
It is dynamic to be sleeved on input shaft（1）On；The outer shaft slip cap is mounted in internal axle sleeve（A0）On, the two ends of outer shaft are respectively fixedly connected with
Ring gear（3）With ring gear synchronizing wheel（A3）, the ring gear（3）With ring gear synchronizing wheel（A3）Equal slip cap is mounted in internal axle sleeve
（A0）On；In sun gear（2）With ring gear（3）Between be provided with double-planetary gear（4）, the double-planetary gear（4）By two
The gear being fixedly connected on same wheel shaft is constituted, double-planetary gear（4）In a gear simultaneously engage sun gear（2）With it is interior
Gear ring（3）, double-planetary gear（4）In another gear and shaft end gear（A1）Engagement, the double-planetary gear（4）Wheel shaft
It is slidably installed planet carrier by bearing（6）On, the planet carrier（6）It is upper to carry external toothing（A6）；Output shaft（5）It is fixedly mounted
Planet carrier（6）Center；
The energy conversion unit includes the first converting unit（12）, the second converting unit（13）And energy switching controller
（16）, the energy switching controller（16）It is connected to the first converting unit（12）With the second converting unit（13）Between, be used for
Control the first converting unit（12）With the second converting unit（13）Working condition, first converting unit（12）It is provided with
One transaxle（8）, first transaxle（8）On be installed with input shaft gear（A8）, the input shaft gear（A8）With
Ring gear synchronizing wheel（A3）Engagement, second converting unit（13）Second transaxle is installed（11）；Second transaxle
（11）On clutch is installed；
The clutch includes being fixedly mounted on the second transaxle（11）On driving wheel（A11）, slip cap be mounted in second turn
Change axle（11）On first engagement wheel（10）With the second engagement wheel（9）, the first engagement wheel（10）On be provided with for connecting
Driving wheel（A11）The first joint portion（A10）, the second engagement wheel（9）On be provided with for connecting driving wheel（A11）The second knot
Conjunction portion（A9）；First engagement wheel（10）With external toothing（A6）Engagement, the second engagement wheel（9）With sun gear synchromesh gear（A2）Nibble
Close.
2. a kind of stepless speed variation device according to claim 1, it is characterised in that：First converting unit（12）
With the second converting unit（13）It is pump motor, the energy switching controller（16）It is to be used for controlling pump motor-mount pump body slip angle shape
The control unit of state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720282720.0U CN206600426U (en) | 2017-03-22 | 2017-03-22 | A kind of stepless speed variation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720282720.0U CN206600426U (en) | 2017-03-22 | 2017-03-22 | A kind of stepless speed variation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206600426U true CN206600426U (en) | 2017-10-31 |
Family
ID=60145081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720282720.0U Active CN206600426U (en) | 2017-03-22 | 2017-03-22 | A kind of stepless speed variation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206600426U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870659A (en) * | 2017-03-22 | 2017-06-20 | 山东潍坊鲁中拖拉机有限公司 | A kind of stepless speed variation device |
| CN111288131A (en) * | 2020-04-09 | 2020-06-16 | 山东潍坊鲁中拖拉机有限公司 | Mechanical electric power shunting stepless speed change transmission device |
-
2017
- 2017-03-22 CN CN201720282720.0U patent/CN206600426U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870659A (en) * | 2017-03-22 | 2017-06-20 | 山东潍坊鲁中拖拉机有限公司 | A kind of stepless speed variation device |
| CN111288131A (en) * | 2020-04-09 | 2020-06-16 | 山东潍坊鲁中拖拉机有限公司 | Mechanical electric power shunting stepless speed change transmission device |
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