CN205859092U - Multisection type big-power tractor hydraulic mechanical stepless gearbox - Google Patents
Multisection type big-power tractor hydraulic mechanical stepless gearbox Download PDFInfo
- Publication number
- CN205859092U CN205859092U CN201620564499.3U CN201620564499U CN205859092U CN 205859092 U CN205859092 U CN 205859092U CN 201620564499 U CN201620564499 U CN 201620564499U CN 205859092 U CN205859092 U CN 205859092U
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- power
- planet row
- planet
- shaft
- flow
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Abstract
The open a kind of multisection type big-power tractor hydraulic mechanical stepless gearbox of this utility model, is made up of mechanical part and hydraulic part.Mechanical part includes comprising power input shaft, power output shaft, mechanical flow power shaft, 3 clutches, 3 brakes, 4 planet rows, and advance the clutch collar that falls back.Power input shaft is connected with mechanical flow power shaft by clutch, the planet carrier that power output shaft is arranged with fourth planet is connected, the planet carrier of first planet row, the gear ring of third planet row and the gear ring of fourth planet row are braked in brake respectively, and the clutch collar that falls back of advancing is fixed on flow of pressurized power shaft.Hydraulic part includes flow of pressurized power shaft, variable pump, fixed displacement motor, and variable pump is connected with pump power shaft, and pump is connected by oil pipe with motor, and motor is connected with flow of pressurized power shaft.This variator has the following effects: 1, realize infinitely variable speeds；2, compact conformation, reasonable in design, easy to operate；3, being suitable for high-power output operation, transmission efficiency is high.
Description
Technical field
This utility model relates to a kind of multisection type high power hydraulic mechanical stepless transmission, belongs to Hydrostatic-mechanical Transmission neck
Territory.
Background technology
Hydraulic mechanical stepless gearbox combines that machinery driving efficiency is high, reliable transmission and hydraulic drive transmission power is high,
The advantage of stable drive, extensively applies on various engineering trucks.Big-power tractor uses hydraulic machinery infinitely variable speeds
Device, either to improving the operability of tractor, reducing driver's labor intensity, or to promoting car load dynamic property, fuel oil
The aspect such as economy and work efficiency, is respectively provided with obvious advantage and good application prospect.But existing hydraulic machinery is stepless
Speed changer structure is complicated, operation inconvenience, and in view of the complexity of tractor work operating mode, is difficult in the design process take into account
Matching relationship between transmission ratio, transmission efficiency and working condition.
Utility model content
Goal of the invention: this utility model purpose is for the deficiencies in the prior art, it is provided that a kind of compact conformation, design is closed
Reason, easy to operate can change the speed change gear realizing vehicle automatic stepless speed change according to driver intention and outer load.Solve
Conventional transmissions structure of having determined is complicated, and complex operation, the section of changing is unstable, ineffective problem.
Technical scheme: described in the utility model disclose a kind of multisection type big-power tractor hydraulic machinery infinitely variable speeds
Device, including machine driven system and Hydraulic Power Transmission System, Hydraulic Power Transmission System includes variable pump, fixed displacement motor and flow of pressurized input
Axle；Machine driven system includes mechanical flow power shaft and by first planet row, the second planet row, third planet row and fourth line
The planetary gears of star row's composition；One end of power input shaft is connected with electromotor；Clutch is passed through on mechanical flow power shaft
Connect with power input shaft, and it is connected with flow of pressurized power shaft by intermeshing duplicate gear；Flow of pressurized power shaft
Being provided with advances falls back clutch collar, first planet row and the public sun gear of the second planet row；First planet row and third planet
It is respectively equipped with brake on row and fourth planet row；It is respectively equipped with clutch on the planet carrier of third planet row and fourth planet row
Device；Output shaft is connected with the planet carrier of third planet row and fourth planet row.
Fixed displacement motor is connected by oil pipe with variable pump, and pump power shaft and power input shaft are by hydraulic power distribution gear
Secondary connection.
The planet carrier of first planet row and the gear ring of the second planet row are connected, and the gear ring of first planet row is arranged with third planet
Sun wheel shaft be connected, the solar wheeling tooth wheel shaft company that the planet carrier of the second planet row and fourth planet row is arranged by fourth planet
Connect.
Engine power can realize the independent hierarchical output of kinetic current by clutch, and clutch also can be by engine power
It is delivered to flow of pressurized power shaft, or engine power is delivered to respectively flow of pressurized power shaft and mechanical flow power shaft.
Engine power shunts through hydraulic power distribution gear pair, distributes to flow of pressurized power shaft and mechanical flow is defeated
Enter axle, then conflux through first planet row, the second planet row, third planet row and fourth planet row, by flow rate of hydraulic system,
The regulation flowed to, controls motor rotary speed and turns to, and then realizing the output of bus-bar infinitely variable speeds.
Mechanical flow power shaft is connected by clutch with power input shaft, and right-hand member is equipped with duplicate gear, and duplicate gear leads to
Crossing the advance clutch collar that falls back and confluxed by power into planet row, the clutch collar that falls back of advancing can realize vehicle and advances, falls back.
Flow of pressurized power shaft, is provided with two gears, respectively first planet row and the second planet row on the right side of this gear shaft
Public sun gear.
Public solar wheeling tooth wheel bearing carries the power transmission after mechanical flow confluxes with flow of pressurized.
Beneficial effect: (1), realize infinitely variable speeds with coupling of flow of pressurized by mechanical flow；(2), change speed gear box global design
Compact conformation, rationally distributed, operator is convenient；(3), the transferable power of hydraulic part high, be suitable for high-power output and make
Industry, overall transmission efficiency is high.
Accompanying drawing explanation
Fig. 1 is multisection type big-power tractor hydraulic mechanical stepless gearbox structural representation.
In Fig. 1: 1-electromotor；2-power input shaft；3-hydraulic power distribution gear is secondary；4-clutch；5-mechanical flow is defeated
Enter axle；6-duplicate gear；7-brake；8-planet row；9-planet row；10-clutch；11-planet row；12-planet row；13-
Clutch；14-power output shaft；15-fourth planet row's solar wheeling tooth wheel shaft；16-brake；17-brake；18-advances and
Move back clutch collar；19-casing；20-flow of pressurized power shaft；21-fixed displacement motor；22-variable pump；23-pump power shaft.
Detailed description of the invention
Below by accompanying drawing, technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to
Described embodiment.
A kind of multisection type big-power tractor hydraulic mechanical stepless gearbox, including machine driven system and hydraulic drive system
System, Hydraulic Power Transmission System includes that variable pump 22, fixed displacement motor 21 and flow of pressurized power shaft 20, fixed displacement motor 21 lead to variable pump 22
Crossing oil pipe to connect, pump power shaft 23 is connected by hydraulic power distribution gear secondary 3 with power input shaft 2；Machine driven system bag
Include, mechanical flow power shaft 5 and 12 being made up of first planet row's the 8, second planet row 9, third planet row 11 and fourth planet row
Planetary gears；One end of power input shaft 2 is connected with electromotor 1, and power input shaft 2 is by intermeshing tooth simultaneously
Wheel is connected to pump power shaft 23, mechanical flow power shaft 5 is connected by clutch 4 and power input shaft 2, and it passes through
Pitch wheel pair is connected with flow of pressurized power shaft 20；Flow of pressurized power shaft 20 be provided with advance fall back clutch collar 18,
One planet row 8 and the public sun gear of the second planet row 9；First planet row 8 and third planet row 11 and fourth planet arrange on 12
It is provided with brake 7,16,17；It is respectively equipped with clutch 10,13 on the planet carrier of third planet row 11 and fourth planet row 12；Dynamic
Power output shaft 14 is connected with the planet carrier of third planet row 11 and fourth planet row 12；The planet carrier and the of first planet row 8
The gear ring of two planet rows 9 is connected, and the gear ring of first planet row 8 is connected with the sun wheel shaft of third planet row 11, the second planet row 9
Planet carrier and fourth planet row 12 be connected by the solar wheeling tooth wheel shafts 15 of fourth planet row 12.
This utility model is a kind of multisection type big-power tractor hydraulic mechanical stepless gearbox, according to driving cycles not
With and control needs, multisection type big-power tractor hydraulic mechanical stepless gearbox can be divided into following five work sections:
During pure hydraulic pressure section, brake 7 is braked first planet and is arranged 8 planet carriers, and brake 17 is braked third planet and arranged 11 teeth
Circle.Situation of confluxing is as follows: this state first planet row 8 and third planet row 11 work, power passes through hydraulic power distribution gear
Secondary 3 conflux through duplicate gear 6, then are transported to the sun gear of fourth planet row 12 through the sun gear of the second planet row 9 and planet carrier,
The planet carrier eventually passing fourth planet row 12 is sent to power output shaft 14 and outwards exports power.
During one section, situation of confluxing is as follows: clutch 4 combines, and brake 16 engages.This state second planet row 9 and
Four planet rows 12 work, and the gear ring of fourth planet row 12 is fixed, and power splits into flow of pressurized by hydraulic power distribution gear pair 3
And mechanical flow, conflux through duplicate gear 6, then be transported to fourth planet row's 12 through the sun gear of the second planet row 9 and planet carrier
Sun gear, the planet carrier eventually passing fourth planet row 12 is sent to power output shaft 14 and outwards exports power.It is in a section
Time, owing to variable pump discharge capacity changes than from+1 to 1, the rotating speed of fixed displacement motor output shaft also from forward maximum to reversely maximum
Value change, planetary gearsets is under the common effect of machine power and hydraulic power, it is achieved the stepless increasing in the range of a section
Speed.
During two sections, clutch 4 engages, and brake 17 is braked third planet and arranged 11 gear rings, and situation of confluxing is as follows: this state
First planet row 8 and third planet row 11 work, and third planet is arranged 11 gear rings and fixed, and power is secondary by hydraulic power distribution gear
3 split into flow of pressurized and mechanical flow, conflux through duplicate gear 6, then through first planet row 8 sun gear and gear ring be transported to the 3rd
The sun gear of planet row 11, the planet carrier eventually passing third planet row 11 is sent to power output shaft 14 and outwards exports power.
When being in two sections, owing to variable pump 22 discharge capacity is continually changing from-1 to+1, the rotating speed of fixed displacement motor 21 output shaft is also from reversely
Maximum changes to forward maximum, and planetary gearsets is under the common effect of machine power stream and hydraulic power stream, it is achieved two
Stepless speedup in the range of section.
During three sections, clutch 4 engages, and clutch 13 engages, and situation of confluxing is as follows: this state second planet row 9 works,
Power splits into flow of pressurized and mechanical flow by hydraulic power distribution gear pair 3, confluxes through duplicate gear 6, then through the second planet
The sun gear of row 9 and planet carrier are transported to the solar wheeling tooth wheel shaft of fourth planet row 12, the now sun gear of fourth planet row 12
Being connected with planet carrier, the planet carrier eventually passing fourth planet row 12 is sent to power output shaft 14 and outwards exports power.
When being in three sections, owing to variable pump 22 discharge capacity is continually changing from+1 to-1, the rotating speed of motor output shaft is also from forward maximum
Changing to reverse maximum, planetary gearsets is under the common effect of mechanical flow and flow of pressurized, it is achieved the nothing in the range of three sections
Level speedup.
During four sections, clutch 4 engages, and clutch 10 engages, and situation of confluxing is as follows: this state first planet row 8 work,
Power splits into flow of pressurized and mechanical flow by hydraulic power distribution gear pair 3, confluxes through duplicate gear 6, then through first planet
The sun gear of row 8 and planet carrier are transported to the planet carrier of third planet row 11, and now third planet arranges sun gear and the planet of 11
Frame is connected, and the planet carrier eventually passing fourth planet row 12 is sent to power output shaft 14 and outwards exports power.It is in four
During section, owing to variable pump 22 discharge capacity is continually changing than from-1 to+1, the rotating speed of motor output shaft also from reverse maximum to just
Change to maximum, under the common effect of machine power stream and hydraulic power stream, it is achieved the stepless speedup in the range of four sections.
Although as it has been described above, represented and described the present invention with reference to specific preferred embodiment, but it must not be explained
For the restriction to the present invention self.Under the spirit and scope of the present invention premise defined without departing from claims, can be right
Various changes can be made in the form and details for it.
Claims (3)
1. a multisection type big-power tractor hydraulic mechanical stepless gearbox, including machine driven system and hydraulic drive system
System, described Hydraulic Power Transmission System includes variable pump (22), fixed displacement motor (21) and flow of pressurized power shaft (20)；Described machine driving
System includes mechanical flow power shaft (5) and by first planet row (8), the second planet row (9), third planet row (11) and the 4th
The planetary gears that planet row (12) forms；One end of power input shaft (2) is connected with electromotor (1)；Described mechanical flow is defeated
Enter and connected by clutch (4) and power input shaft (2) on axle (5), and it is by intermeshing duplicate gear (6) and liquid
Baric flow power shaft (20) connects；Described flow of pressurized power shaft (20) be provided with advance fall back clutch collar (18), first planet row (8)
The sun gear public with the second planet row (9)；Described first planet row (8) and third planet row (11) and fourth planet arrange (12)
On be respectively equipped with brake (7,16,17)；Set respectively on the planet carrier of described third planet row (11) and fourth planet row (12)
There is clutch (10,13)；Described power output shaft (14) and third planet row (11) and the planet carrier phase of fourth planet row (12)
Connect.
Multisection type big-power tractor hydraulic mechanical stepless gearbox the most according to claim 1, is characterized in that: described fixed
Amount motor (21) is connected by oil pipe with variable pump (22), and pump power shaft (23) is divided by hydraulic power with power input shaft (2)
Selective gear secondary (3) connects transmission power.
Multisection type big-power tractor hydraulic mechanical stepless gearbox the most according to claim 1, is characterized in that: described
The planet carrier of one planet row (8) and the gear ring of the second planet row (9) are connected, and the gear ring of first planet row (8) is arranged with third planet
(11) sun wheel shaft is connected, and the planet carrier of the second planet row (9) and fourth planet row (12) are by fourth planet row (12)
Solar wheeling tooth wheel shaft (15) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564499.3U CN205859092U (en) | 2016-06-08 | 2016-06-08 | Multisection type big-power tractor hydraulic mechanical stepless gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564499.3U CN205859092U (en) | 2016-06-08 | 2016-06-08 | Multisection type big-power tractor hydraulic mechanical stepless gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859092U true CN205859092U (en) | 2017-01-04 |
Family
ID=57638279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620564499.3U Expired - Fee Related CN205859092U (en) | 2016-06-08 | 2016-06-08 | Multisection type big-power tractor hydraulic mechanical stepless gearbox |
Country Status (1)
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|---|---|
| CN (1) | CN205859092U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143637A (en) * | 2017-05-02 | 2017-09-08 | 北京理工大学 | A kind of loading machine Hydromechanical Stepless Transmission device |
| CN107654606A (en) * | 2017-11-10 | 2018-02-02 | 石河子大学 | A kind of lamination planetary gear type hydraulic mechanical stepless gearbox |
| CN108343720A (en) * | 2018-04-08 | 2018-07-31 | 河南科技大学 | A kind of heavy vehicles Multi-Range Hydro-Mechanical Stepless speed changer |
| CN109058403A (en) * | 2018-08-06 | 2018-12-21 | 陕西法士特齿轮有限责任公司 | A kind of power-diversion stepiess variable drive system |
| CN109296724A (en) * | 2018-11-15 | 2019-02-01 | 山东海卓电液控制工程技术研究院 | Double-planet five-part form hydraulic mechanical stepless gearbox |
| CN109353210A (en) * | 2018-11-23 | 2019-02-19 | 河南科技大学 | A kind of mixed-power tractor stepless transmission |
| CN110056634A (en) * | 2019-01-24 | 2019-07-26 | 南京农业大学 | Three four sections of planet row hydraulic machinery infinitely variable transmissions |
| CN110360293A (en) * | 2019-08-06 | 2019-10-22 | 江苏农林职业技术学院 | A kind of hydraulic mechanical stepless gearbox |
| CN110469560A (en) * | 2019-08-14 | 2019-11-19 | 山东科技大学 | A kind of interchangeable section of collector-shoe gear and its application |
| CN112128338A (en) * | 2020-08-03 | 2020-12-25 | 江苏大学 | Mechanical-hydraulic composite transmission device with participation of double hydraulic transmission mechanisms |
| CN113124127A (en) * | 2021-04-20 | 2021-07-16 | 中国石油大学(华东) | Multi-mode hydraulic mechanical stepless speed change device for grain harvester |
| CN113685513A (en) * | 2021-09-23 | 2021-11-23 | 清驰汽车江苏有限公司 | Stepless speed change mechanism and speed change method thereof |
| CN113685514A (en) * | 2021-08-27 | 2021-11-23 | 清驰汽车江苏有限公司 | Single-side input and output three-planet-row stepless speed change mechanism and speed change method thereof |
| CN114087334A (en) * | 2021-11-17 | 2022-02-25 | 浙江盘毂动力科技有限公司 | Hydraulic and mechanical combined type comprehensive transmission device and vehicle |
-
2016
- 2016-06-08 CN CN201620564499.3U patent/CN205859092U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143637A (en) * | 2017-05-02 | 2017-09-08 | 北京理工大学 | A kind of loading machine Hydromechanical Stepless Transmission device |
| CN107654606B (en) * | 2017-11-10 | 2023-08-22 | 石河子大学 | Laminated planetary gear type hydraulic mechanical stepless speed changer |
| CN107654606A (en) * | 2017-11-10 | 2018-02-02 | 石河子大学 | A kind of lamination planetary gear type hydraulic mechanical stepless gearbox |
| CN108343720A (en) * | 2018-04-08 | 2018-07-31 | 河南科技大学 | A kind of heavy vehicles Multi-Range Hydro-Mechanical Stepless speed changer |
| CN109058403A (en) * | 2018-08-06 | 2018-12-21 | 陕西法士特齿轮有限责任公司 | A kind of power-diversion stepiess variable drive system |
| CN109058403B (en) * | 2018-08-06 | 2024-01-02 | 陕西法士特齿轮有限责任公司 | Power split stepless speed change transmission system |
| CN109296724A (en) * | 2018-11-15 | 2019-02-01 | 山东海卓电液控制工程技术研究院 | Double-planet five-part form hydraulic mechanical stepless gearbox |
| CN109353210A (en) * | 2018-11-23 | 2019-02-19 | 河南科技大学 | A kind of mixed-power tractor stepless transmission |
| CN110056634A (en) * | 2019-01-24 | 2019-07-26 | 南京农业大学 | Three four sections of planet row hydraulic machinery infinitely variable transmissions |
| CN110360293A (en) * | 2019-08-06 | 2019-10-22 | 江苏农林职业技术学院 | A kind of hydraulic mechanical stepless gearbox |
| CN110360293B (en) * | 2019-08-06 | 2024-04-19 | 江苏农林职业技术学院 | Hydraulic mechanical stepless speed changer |
| CN110469560A (en) * | 2019-08-14 | 2019-11-19 | 山东科技大学 | A kind of interchangeable section of collector-shoe gear and its application |
| CN112128338A (en) * | 2020-08-03 | 2020-12-25 | 江苏大学 | Mechanical-hydraulic composite transmission device with participation of double hydraulic transmission mechanisms |
| CN113124127B (en) * | 2021-04-20 | 2022-05-24 | 中国石油大学(华东) | Multi-mode hydraulic mechanical stepless speed change device for grain harvester |
| CN113124127A (en) * | 2021-04-20 | 2021-07-16 | 中国石油大学(华东) | Multi-mode hydraulic mechanical stepless speed change device for grain harvester |
| CN113685514A (en) * | 2021-08-27 | 2021-11-23 | 清驰汽车江苏有限公司 | Single-side input and output three-planet-row stepless speed change mechanism and speed change method thereof |
| CN113685513A (en) * | 2021-09-23 | 2021-11-23 | 清驰汽车江苏有限公司 | Stepless speed change mechanism and speed change method thereof |
| CN114087334A (en) * | 2021-11-17 | 2022-02-25 | 浙江盘毂动力科技有限公司 | Hydraulic and mechanical combined type comprehensive transmission device and vehicle |
| CN114087334B (en) * | 2021-11-17 | 2023-11-03 | 浙江盘毂动力科技有限公司 | Hydraulic mechanical combined type comprehensive transmission device and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20170608 |