CN208221521U - A kind of 2 segmentation tractor metal tape power dividing stepless transmissions - Google Patents
A kind of 2 segmentation tractor metal tape power dividing stepless transmissions Download PDFInfo
- Publication number
- CN208221521U CN208221521U CN201820685346.3U CN201820685346U CN208221521U CN 208221521 U CN208221521 U CN 208221521U CN 201820685346 U CN201820685346 U CN 201820685346U CN 208221521 U CN208221521 U CN 208221521U
- Authority
- CN
- China
- Prior art keywords
- gear
- metal tape
- sections
- clutch
- input shaft
- 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 - Fee Related
Links
Abstract
The utility model relates to a kind of 2 segmentation tractor metal tape power dividing stepless transmissions, including connect with engine input shaft, rear axle bevel gear is installed output shaft, by metal tape stepless speed variator connect metal tape input shaft and metal tape output shaft and planetary gear or so arrangement double planet wheel rows of mixing.The utility model can realize power dividing transmission of the metal tape power dividing stepless transmission in the case where full speed compares, and driving capability is big, transmission efficiency is high；Two planetary gears work alternatively, it can be achieved that Multi sectional, large speed ratio range stepless speed regulation.
Description
Technical field
The utility model relates to stepless transmission field, in particular to a kind of 2 segmentation tractor metal tape power dividings without
Grade speed changer.
Background technique
In order to improve load driving capability of the metal tape stepless speed variator under low-speed heave-load operating condition, need in transmission system
Middle introducing power dividing technology.By establishing closed circuit, engine power stream is divided into two, a part passes through fixed axis gear
System is transferred to planetary gear, and another part is transferred to planetary gear by metal tape stepless speed variator, and two-way engine power exists
Converge simultaneously differential output at planetary gear.During this, pass through the limited gold of bearing capacity due to only having partial engine power
Belong to band stepless transmission, therefore the load driving capability of entire metal tape power dividing stepless transmission is improved.Due to metal
Band stepless transmission can not change transmission direction, it is difficult to realize a wide range of nothing of Multi sectional of metal tape power dividing stepless transmission
Grade speed regulation, therefore in previous research, the stepless transmission of metal tape power dividing is mostly used for vehicle start and low-speed heave-load is driven,
And the stepless transmission of complete metal tape is switched to after vehicle operates normally.This method is usually associated with biggish metal tape
Power dividing, transmission efficiency is low, is not suitable for the non-rice habitats vehicle of the needs such as tractor long-time operation under low-speed heave-load operating condition
?.
Summary of the invention
In view of the shortcomings of the prior art, the utility model provides a kind of 2 stepless changes of segmentation tractor metal tape power dividing
Fast device can carry out stepless speed regulation by power dividing to tractor whole process.
The utility model is achieved by the following technical solution, and provides a kind of 2 segmentation tractor metal tape power dividings
Stepless transmission, including connect with engine input shaft, rear axle bevel gear is installed output shaft, by the stepless change of metal tape
The metal tape input shaft of fast device connection and the double planet wheel rows of mixing of metal tape output shaft and planetary gear or so arrangement；
The double planet wheel rows of mixing is cascaded by two planetary gears in left and right, left planetary gear planet carrier and right planetary gear
Gear ring connection and coaxial, left planetary gear sun gear and right planetary gear sun gear input axis connection by sun gear.
It is sequentially installed with forward gear I gear on the input shaft, falls back gear I gear and metal tape input I gear；
One end of the metal tape input shaft is equipped with the metal tape engaged with metal tape input I gear and inputs II tooth
Wheel, the input belt wheel of the other end and the metal tape stepless speed variator are affixed；
Output pulley, the metal tape that the metal tape stepless speed variator is sequentially installed on the metal tape output shaft are reversed
It exports I gear and metal tape forward direction exports I gear；
The sun gear input shaft of the double planet wheel rows of mixing passes through hollow planet carrier output shaft, and inputs in the sun gear
It is with clutch that metal tape forward direction output II gear, the metal engaged with metal tape forward direction output I gear is successively arranged on axis
II gear is reversely exported with reversely exporting idle pulley by metal tape and reversely exporting the metal tape that I gear is connect with the metal tape,
Metal tape forward direction output II gear and metal tape reversely export II gear and pass through that the metal is with clutch and the sun respectively
Wheel inputs axis connection, is equipped with L sections of I gears on the planet carrier output shaft；
The planet carrier input shaft of the double planet wheel rows of mixing passes through hollow gear ring output shaft, and in the planet carrier input shaft
On be successively arranged forward gear II gear, the direction clutch engaged with the forward gear I gear, and by fall back gear idle pulley with
The retroversion for falling back gear I gear connection keeps off II gear, and forward gear II gear passes through the direction with gear II gear is fallen back respectively
Clutch and planet carrier input axis connection, are equipped with H sections of I gears on the gear ring output shaft；
The L section for being successively arranged L sections of clutches from the rear axle bevel gear on the output shaft, being engaged with the L sections of I gear
II gear, H section clutch, and the H section II gear engaged with the H sections of I gear, the H sections of II gear pass through H sections of clutches
It is connected with exporting axis, the L sections of II gear is connected with exporting axis by L sections of clutches.
This programme is realized by the setting of double planet wheel rows of mixing and metal tape stepless speed variator using the division of each clutch
Whole power dividing, and there is wider gear range, driving capability is big, easy to operate.
Preferably, the direction clutch and metal it is with clutch be two-way wet clutch.Both needed for being able to satisfy
Function, and power transmitting is smooth, and long service life, failure rate is low, is more suitable for for tractor.
Preferably, the H sections of clutch and L sections of clutches are unidirectional wet clutch.Meet the same of required function
When reduce cost, and power transmitting is smooth, and long service life, failure rate is low, is more suitable for for tractor.
The utility model has the following beneficial effects:
1, it can be achieved power dividing transmission of the metal tape power dividing stepless transmission in the case where full speed compares, driving capability is big,
Transmission efficiency is high；
2, two planetary gears work alternatively, it can be achieved that Multi sectional, large speed ratio range stepless speed regulation.
Detailed description of the invention
Fig. 1 is the utility model structure arrangement schematic diagram；
It is as shown in the figure:
1, engine, 2, forward gear I gear, 3, retroversion gear I gear, 4, retroversion gear idle pulley, 5, metal tape input I gear,
6, input shaft, 7, metal tape input II gear, 8, metal tape input shaft, 9, metal tape stepless speed variator, 10, metal tape it is reversed
Export I gear, 11, metal tape reversely export idle pulley, 12, metal tape forward direction export I gear, 13, metal tape output shaft, 14, gold
Belong to the positive output II gear of band, 15, sun gear input shaft, 16, metal it is with clutch, 17, metal tape reversely export II gear,
18, L sections of I gears, 19, planet carrier output shaft, 20, double planet wheel rows of mixing, 21, gear ring output shaft, 22, H sections of I gears, 23, retroversion gear II
Gear, 24, planet carrier input shaft, 25, forward gear II gear, 26, direction clutch, 27, H sections of II gears, 28, H sections of clutches,
29, L sections of II gears, 30, L sections of clutches, 31, output shaft, 32, rear axle bevel gear.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
2 segmentation tractor metal tape power dividing stepless transmissions of one kind as shown in Figure 1, including the output with engine 1
The input shaft 6 of axis connection, the output shaft 31 for being equipped with rear axle bevel gear 32, the metal connected by metal tape stepless speed variator 9
The double planet wheel rows of mixing 20 that band input shaft 8 and metal tape output shaft 13 and planetary gear or so are arranged, rear axle bevel gear 32 and dilatory
The central driver gear of machine rear axle engages, and finally driving tractor tire rotation.
The double planet wheel rows of mixing 20 is cascaded by two planetary gears in left and right, left planetary gear planet carrier and right lateral star tooth
The gear ring of wheel connects and coaxial, and left planetary gear sun gear and right planetary gear sun gear pass through the company of sun gear input shaft 15
It connects, sun gear input shaft 15 and planet carrier output shaft 19 are located at right side, and gear ring output shaft 21 and planet carrier input shaft 24 are located at a left side
Side.
It is sequentially installed with forward gear I gear 2 on input shaft 6, falls back gear I gear 3 and metal tape input I gear 5, falls back gear
I gear 3 is engaged with gear idle pulley 4 is fallen back.
One end of metal tape input shaft 8 is equipped with the metal tape engaged with metal tape input I gear 5 and inputs II gear
7, the input belt wheel of the other end and the metal tape stepless speed variator 9 is affixed.
Output pulley, the metal tape that the metal tape stepless speed variator 9 is sequentially installed on metal tape output shaft 13 are reversed
It exports I gear 10 and metal tape forward direction exports I gear 12, metal tape reversely exports I gear 10 and metal tape reversely exports idle pulley
11 engagements.
The sun gear input shaft 15 of double planet wheel rows of mixing 20 passes through hollow planet carrier output shaft 19, and defeated in the sun gear
Enter the metal tape forward direction for being successively arranged on axis 15 and engaging with metal tape forward direction output I gear 12 and exports II gear 14, metal
With clutch 16 and idle pulley 11 is reversely exported by metal tape with the metal tape reversely to export the metal tape that I gear 10 is connect anti-
To output II gear 17, metal tape forward direction output II gear 14 and metal tape reversely export II gear 17 respectively by the metal
With clutch 16 connect with sun gear input shaft 15, and L sections of I gears 18 are equipped on the planet carrier output shaft 19.
The planet carrier input shaft 24 of double planet wheel rows of mixing passes through hollow gear ring output shaft 21, and in the planet carrier input shaft
It is successively arranged forward gear II gear 25, the direction clutch 26 engaged with the forward gear I gear 2 on 24, and passes through retroversion
Keep off idle pulley 4 and the retroversion gear II gear 23 for falling back gear I gear 3 and connecting, forward gear II gear 25 and retroversion gear II gear 23
It is connect respectively by the direction clutch 26 with planet carrier input shaft 24, H sections of I gears is installed on the gear ring output shaft 21
22。
L sections of clutches 30 are successively arranged from the rear axle bevel gear 32 on output shaft 31, are engaged with the L sections of I gear 18
L section II gear 29, H sections of clutches 28, and the H section II gear 27 engaged with the H sections of I gear 22, H sections of II gears 27 are logical
It crosses H sections of clutches 28 to be connected with exporting axis, the L sections of II gear 29 is connected with exporting axis by L sections of clutches 30.
Preferably, the direction clutch 26 in the present embodiment and metal with clutch 16 are two-way wet type clutch
Device, H sections of clutches 28 and L sections of clutches 30 are unidirectional wet clutch.
In use, being divided into following three kinds of operating conditions:
1, tractor starting operating condition:
(1) before tractor starting: direction clutch 26 and metal with clutch 16 are in middle position, H sections of clutches 28 and L sections
Clutch 30 separates.
(2) when tractor is started to walk: 26 left-interface of direction clutch, metal 16 left-interface with clutch；Starting is started
After machine 1, the transmission ratio (the ratio between metal tape input shaft 8 and 13 revolving speed of metal tape output shaft) of metal tape stepless speed variator 9 is adjusted to
Minimum, at this point, the revolving speed highest of metal tape output shaft 13；L sections of clutches 30 engage, low-speed tractor starting, and work in L
Section.
2, tractor adjusts the speed operating condition:
(1) L sections of speed regulation (acceleration): after tractor starting, incrementally increasing the transmission ratio of metal tape stepless speed variator 9, at this point,
According to machine driving correlation theory, it is known that 31 revolving speed of output shaft increases, and tractor starts to accelerate；When metal tape stepless speed variator 9
Transmission ratio when increasing to maximum, the revolving speed of metal tape output shaft 13 minimizes, at this point, connecing metal 16 right side with clutch
It closes；The transmission ratio of metal tape stepless speed variator 9 is gradually reduced, at this point, according to machine driving correlation theory, it is known that 31 turns of output shaft
Speed continues growing, and tractor continues to accelerate；
(2) section switching (section L switches to a section H): when the transmission ratio of metal tape stepless speed variator 9 minimizes, metal
Revolving speed with output shaft 13 rises to highest, at this point, L sections of clutches 30 separate, H sections of clutches 28 are engaged, and tractor works in H
Section；
(3) H sections of speed regulation (acceleration): the transmission ratio of metal tape stepless speed variator 9 is incrementally increased, at this point, according to machine driving
Correlation theory, it is known that 31 revolving speed of output shaft increases, and tractor continues to accelerate；When the transmission ratio of metal tape stepless speed variator 9 increases to
When maximum, the revolving speed of metal tape output shaft 13 is minimized, at this point, making metal 16 left-interface with clutch；Gradually reduce gold
Belong to the transmission ratio with stepless transmission 9, at this point, according to machine driving correlation theory, it is known that 31 revolving speed of output shaft continues growing, and drags
Machine drawing continues to accelerate, until tractor reaches maximum travel speed.
(4) reversely speed regulation (deceleration): with aforementioned acceleration speed regulation process on the contrary, details are not described herein again.
3, tractor falls back driving cycle: it is engaged on the right side of direction clutch 26, remaining is identical with forward travel operating condition,
Details are not described herein again.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above embodiments and attached drawing are merely to illustrate the technology of the utility model
Scheme is not limitations of the present invention, and the utility model is described in detail referring to preferred embodiment, this
Field it is to be appreciated by one skilled in the art that those skilled in the art institute in the essential scope of the utility model
The variations, modifications, additions or substitutions made without departure from the objective of the utility model, want by the right that also should belong to the utility model
Seek protection scope.
Claims (3)
1. a kind of 2 segmentation tractor metal tape power dividing stepless transmissions, it is characterised in that: including being connect with engine (1)
Input shaft (6), rear axle bevel gear (32) are installed output shaft (31), by metal tape stepless speed variator (9) connect gold
Belong to the double planet wheel rows of mixing (20) that band input shaft (8) and metal tape output shaft (13) and planetary gear or so are arranged；
The double planet wheel rows of mixing (20) is cascaded by two planetary gears in left and right, left planetary gear planet carrier and right planetary gear
Gear ring connection and coaxial, left planetary gear sun gear and right planetary gear sun gear pass through sun gear input shaft (15) company
It connects；
It is sequentially installed with forward gear I gear (2) on the input shaft (6), falls back gear I gear (3) and metal tape input I gear
(5)；
One end of the metal tape input shaft (8) is equipped with the metal tape engaged with metal tape input I gear (5) and inputs II
The input belt wheel of gear (7), the other end and the metal tape stepless speed variator (9) is affixed；
Output pulley, the metal tape of the metal tape stepless speed variator (9) are sequentially installed on the metal tape output shaft (13)
Reversed output I gear (10) and metal tape forward direction output I gear (12)；
The sun gear input shaft (15) of the double planet wheel rows of mixing (20) pass through hollow planet carrier output shaft (19), and it is described too
It is successively arranged the metal tape forward direction engaged with metal tape forward direction output I gear (12) on sun wheel input shaft (15) and exports II tooth
Wheel (14), metal (16) with clutch and reversely export idle pulley (11) by metal tape and the metal tape reversely exports I gear
(10) metal tape connected reversely exports II gear (17), and metal tape forward direction output II gear (14) and metal tape are reversely defeated
II gear (17) is connect by the metal (16) with clutch with sun gear input shaft (15) respectively out, the planet carrier output
L sections of I gears (18) are installed on axis (19)；
The planet carrier input shaft (24) of the double planet wheel rows of mixing passes through hollow gear ring output shaft (21), and defeated in the planet carrier
Enter and be successively arranged the forward gear II gear (25) engaged with the forward gear I gear (2), direction clutch (26) on axis (24),
And by falling back gear idle pulley (4) and retroversion gear II gear (23) for falling back gear I gear (3) and connecting, forward gear II gear
(25) it is connect respectively by the direction clutch (26) with planet carrier input shaft (24) with retroversion gear II gear (23), the tooth
H sections of I gears (22) are installed on circle output shaft (21)；
L sections of clutches (30) and the L sections of I gear are successively arranged from the rear axle bevel gear (32) on the output shaft (31)
(18) the L section II gear (29) of engagement, H sections of clutches (28), and the H section II gear engaged with the H sections of I gear (22)
(27), the H sections of II gear (27) is connected with exporting axis by H sections of clutches (28), and the L sections of II gear (29) passes through L sections
Clutch (30) is connected with exporting axis.
2. a kind of 2 segmentation tractor metal tape power dividing stepless transmission according to claim 1, it is characterised in that:
The direction clutch (26) and metal (16) with clutch are two-way wet clutch.
3. a kind of 2 segmentation tractor metal tape power dividing stepless transmission according to claim 1 or 2, feature exist
In: the H sections of clutch (28) and L sections of clutches (30) be unidirectional wet clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685346.3U CN208221521U (en) | 2018-05-09 | 2018-05-09 | A kind of 2 segmentation tractor metal tape power dividing stepless transmissions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685346.3U CN208221521U (en) | 2018-05-09 | 2018-05-09 | A kind of 2 segmentation tractor metal tape power dividing stepless transmissions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208221521U true CN208221521U (en) | 2018-12-11 |
Family
ID=64510794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820685346.3U Expired - Fee Related CN208221521U (en) | 2018-05-09 | 2018-05-09 | A kind of 2 segmentation tractor metal tape power dividing stepless transmissions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208221521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458439A (en) * | 2019-01-08 | 2019-03-12 | 山东农业大学 | A kind of the tractor infinitely variable transmission and application method of single planetary row confluence |
-
2018
- 2018-05-09 CN CN201820685346.3U patent/CN208221521U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458439A (en) * | 2019-01-08 | 2019-03-12 | 山东农业大学 | A kind of the tractor infinitely variable transmission and application method of single planetary row confluence |
| CN109458439B (en) * | 2019-01-08 | 2024-03-05 | 山东农业大学 | Single-planet-row converging tractor stepless speed changing box and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106369136B (en) | The compound continuously variable transmission device of two-part hydraulic machinery | |
| CN102359567A (en) | Full-automatic continuously variable transmission of tractor | |
| CN104088978A (en) | Single-planet-row convergence hydraulic mechanical continuously variable transmission | |
| CN104179925A (en) | Convergence type hydraulic and mechanical continuously variable transmission provided with double planet rows | |
| CN104819263A (en) | Double-clutch hydraulic mechanical continuously variable transmission | |
| CN105240481A (en) | Hydraulic mechanical stepless transmission of high-power tractor | |
| CN109764123A (en) | A kind of multi-mode switching power drive system that planetary gear characterisitic parameter is variable | |
| CN102878267B (en) | Mixed stepless speed-changing device | |
| CN109519512B (en) | Hydraulic power split stepless gearbox of tractor and use method | |
| CN208221521U (en) | A kind of 2 segmentation tractor metal tape power dividing stepless transmissions | |
| CN202510651U (en) | Full-automatic continuously variable transmission of tractor | |
| CN204592176U (en) | A kind of electric vehicle centrifugal formula third gear automatic speed-changing system | |
| CN209324954U (en) | A kind of tractor infinitely variable transmission of twin shaft confluence output | |
| CN209324967U (en) | A kind of tractor infinitely variable transmission of single planetary row confluence | |
| CN103453104A (en) | Four-segment hydraulic mechanical composite transmission device | |
| CN109458439B (en) | Single-planet-row converging tractor stepless speed changing box and use method | |
| CN109624687B (en) | Single-motor hybrid power system based on continuously variable transmission | |
| CN109751381A (en) | A kind of multifunctional stepless change gear transmission device | |
| CN209324964U (en) | A kind of tractor hydraulic power dividing infinitely variable transmission | |
| CN103711846B (en) | Ten gear gearboxes of a kind of dead axle and planet Composite Transmission | |
| CN205226273U (en) | High -power tractor hydraulic machinery stepless speed changer | |
| CN108662096A (en) | Infinitely variable speed device | |
| CN204512351U (en) | Double clutch hydraulic mechanical stepless gearbox | |
| CN109578544A (en) | A kind of single planetary row multi-mode hydraulic mechanical stepless gearbox | |
| CN204344833U (en) | Stepless speed regulation reverse gear structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20190509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |