CN107355518A - The speed changer of hydraulic-driven wheel excavator - Google Patents
The speed changer of hydraulic-driven wheel excavator Download PDFInfo
- Publication number
- CN107355518A CN107355518A CN201710616326.0A CN201710616326A CN107355518A CN 107355518 A CN107355518 A CN 107355518A CN 201710616326 A CN201710616326 A CN 201710616326A CN 107355518 A CN107355518 A CN 107355518A
- Authority
- CN
- China
- Prior art keywords
- gear
- input shaft
- hydraulic
- shaft
- casing
- 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
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007704 transition Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/78—Special adaptation of synchronisation mechanisms to these gearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H2003/445—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the input and the set of orbital gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2005—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one sets of orbital gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2035—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with two engaging means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses the speed changer of hydraulic-driven wheel excavator, including casing, the input shaft being rotatably arranged on casing and top gear driving gear thereon and low or first gear driving gear, the front-rear axle output shaft being rotatably arranged on casing and top gear driven gear and low or first gear driven gear thereon, in addition to normally closed rotating vane type hydraulic clutch mechanism, planetary gearsets and synchronizer assembly；The present invention is with hydraulic control driving shaft and input shaft clutch, the driving force that input shaft sends front-rear axle output shaft to can be cut off after separation, make speed changer can gear shift under steam, prevent shifting shock, effectively prevent the damage of gear, reduce cost, maintenance rate is reduced, planetary gearsets is added again, reduces the cooperation of multiple axles and gear, allow the more compact structure of product, small volume, occupy little space, and can realizes overgear output and the output of low speed big speed ratio, run at a low speed with to improve work and run at high speed with transition, there are a variety of transmissions to export ratios.
Description
Technical field
The present invention relates to a kind of speed changer, and in particular to a kind of speed changer of hydraulic-driven wheel excavator.
Background technology
Wheel excavator has been widely used as multiduty engineering machinery.Wheel excavator, which also divides, Mechanical Driven
Wheel excavator and hydraulic-driven wheel excavator, and hydraulic-driven wheel excavator is due to when it has mobility strong and work
Impact small, it is not necessary to the features such as technical transport, increasingly welcome by user.But current hydraulic-driven wheeled excavating
The speed changer of machine has the following disadvantages：
1st, the structure of existing hydraulic-driven wheel excavator speed changer can not realize in-motion shifting, particularly in different operating mode bars
Under part, it is necessary to during high low velocity gear shift；If not very gear shift in the process of moving will result in gear failure, deformation, cause to dig
Pick machine cisco unity malfunction, operating efficiency is reduced, and dismount maintenance difficult, maintenance cost is high；
2nd, due to hydraulic-driven wheel excavator need at work it is at low speed, need to be to run at high speed during transition, such ability
Operating efficiency is improved, the structure of the speed changer of existing hydraulic-driven wheel excavator mainly uses multishaft gear structure, this knot
Structure does not simply fail to meet simultaneously to run at high speed when speed operation traveling and the transition during work, and complicated, and volume is big, accounts for
It is big with space.
The content of the invention
In place of overcoming above shortcomings in the prior art, it is an object of the invention to provide a kind of hydraulic-driven
The speed changer of wheel excavator, the speed changer have compact-sized, small volume, and and can meets that speed operation travels during work simultaneously
With the demand run at high speed during transition.
The present invention is achieved through the following technical solutions：The speed changer of hydraulic-driven wheel excavator, including casing and can turn
Input shaft on casing, front-rear axle output shaft dynamicly, input shaft are provided with needle bearing and coordinate the top gear of installation actively
Gear and low or first gear driving gear, front-rear axle output shaft are provided with the top gear driven gear and low speed that needle bearing coordinates installation
Shelves driven gear, in addition to be used for the normally closed rotating vane type hydraulic clutch mechanism of hydraulic control driving shaft and input shaft clutch, be used for
The planetary gearsets of the low-grade fast ratio of output and the synchronizer assembly for height quick change shelves；
The normally closed rotating vane type hydraulic clutch mechanism includes clutch outer member, driving shaft, clutch driven plate, friction plate combination
Part, friction plate platen, hydraulic cylinder, piston, return disc spring, disc spring sub-assembly, the clutch outer member are connected with casing, the master
Moving axis is arranged on input shaft by deep groove ball bearing and input axis connection, the clutch driven plate, the friction plate combination
Part is arranged on driving shaft and is fixed by friction plate platen, and the friction plate platen is fixed with piston by thrust bearing
On driving shaft, the hydraulic cylinder after piston airtight connection by flange and clutch outer member with being fixed, the piston and flange
Between be provided with the disc spring sub-assembly being arranged on driving shaft, the driving shaft input is connected with variable piston motor；
The planetary gearsets include sun gear, gear ring, planet carrier, multiple planetary gears, and the sun gear is fixed on input shaft,
Sun gear is integrally formed with input shaft, and the gear ring is locked by bolt and clutch outer member, each planetary gear peace
Being engaged simultaneously on planet carrier and with sun gear, gear ring, the planet carrier is sheathed on input shaft and rotated around input shaft,
Fixation is bolted between low or first gear driving gear and planet carrier；
The synchronizer assembly is arranged on front-rear axle output shaft, and by the piston axis connection of fork and hydraulic cylinder, it is described to change
Shelves hydraulic cylinder is arranged on casing.
Further, front-rear axle output shaft both ends of the present invention are respectively equipped with the taper roller axle for coordinating installation with casing
I and flange are held, the bearing cap I and oil sealing for being used for sealing taper roll bearing I are provided between the flange and casing.
Further, input shaft one end of the present invention is provided with the taper roll bearing II for coordinating installation with casing, and should
End taper roll bearing II is connected by bearing cap II with box sealing, and the input shaft other end, which is provided with to coordinate with clutch outer member, pacifies
The taper roll bearing III of dress.
Further, clutch outer member of the present invention is provided with the fuel feed hole with being connected inside hydraulic cylinder.
Further, it is provided between top gear driving gear and low or first gear driving gear of the present invention and is arranged on input shaft
On spacer.
The present invention compared with prior art, has advantages below and beneficial effect：
1st, the present invention increases normally closed rotating vane type hydraulic clutch mechanism and synchromesh unit assembly, with hydraulic control driving shaft and input
Axle clutch, input shaft can be cut off after separation and send the driving force of front-rear axle output shaft to, make speed changer can gear shift under steam, prevent
Only shifting shock, the damage of gear is effectively prevented, reduce cost, reduce maintenance rate.
2nd, invention increases planetary gearsets, the cooperation of multiple axles and gear is reduced, allows the more compact structure of speed changer,
Small volume, occupy little space, and can realizes overgear output and the output of low speed big speed ratio, speed operation during improving work
Run at high speed when traveling and transition, there can be a variety of transmissions to export ratio.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, other features of the invention,
Objects and advantages will become apparent：
Fig. 1 is the structural representation of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can also be joined directly together or be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
With reference to as shown in figure 1, the speed changer of the hydraulic-driven wheel excavator of the present embodiment, including casing 1 and rotatable
Input shaft 2, front-rear axle output shaft 3 of the ground on casing 1, input shaft 2 are provided with the top gear that needle bearing 10 coordinates installation
Driving gear 11 and low or first gear driving gear 12, it is provided with and is arranged between top gear driving gear 11 and low or first gear driving gear 12
Spacer 4 on input shaft 2, front-rear axle output shaft 3 are provided with the top gear driven gear 31 and low that needle bearing 30 coordinates installation
Fast shelves driven gear 32, in addition to normally closed rotating vane type hydraulic clutch mechanism for hydraulic control driving shaft and input shaft clutch,
For exporting the planetary gearsets of low-grade fast ratio and the synchronizer assembly 5 installed in front-rear axle output shaft 3, the synchronizer assembly
5 are arranged on front-rear axle output shaft 3, and are connected by fork 6 with the piston shaft 70 of gear shifting hydraulic cylinder 7, the gear shifting hydraulic cylinder 7
On casing 1.
Wherein, the normally closed rotating vane type hydraulic clutch mechanism includes clutch outer member 80, driving shaft 81, clutch driven plate
82nd, friction plate combination part 83, friction plate platen 84, hydraulic cylinder 85, piston 86, return disc spring 87, disc spring sub-assembly 801, it is described
Clutch outer member 80 is connected with casing 1, and the driving shaft 81 is connected by deep groove ball bearing 87 with input shaft 2, the clutch
Clutch plate 82 is arranged on input shaft 2, and the friction plate combination part 83 is arranged on driving shaft 81 and passes through friction plate platen 84
It is fixed, the friction plate platen 84 is fixed on driving shaft 81 with piston 86 by thrust bearing 88, the hydraulic cylinder 85
With being fixed after the airtight connection of piston 86 by flange 89 and clutch outer member 80, installation is provided between the piston 86 and flange 89
Disc spring sub-assembly 801 on driving shaft 81, the input of driving shaft 81 are connected with variable piston motor 8.
The planetary gearsets include sun gear 20, gear ring 21, planet carrier 22, multiple planetary gears 23, the sun gear 20
It is fixed on input shaft 2, sun gear 20 is integrally formed with input shaft 2, and the gear ring 21 is locked by bolt and clutch outer member 80
Fasten, each planetary gear 23 is installed in planet carrier 22 and engaged simultaneously with sun gear 20, gear ring 21, the planet
Frame 22 is sheathed on input shaft 2 and rotated around input shaft, is bolted between low or first gear driving gear 12 and planet carrier 22
Fixed, bolt connection more easily can export different rotating speeds by changing the low or first gear driving gear 12 of not synchronized ratio
Than.
Preferentially, the both ends of front-rear axle output shaft 3 are respectively equipped with the taper roll bearing I 33 for coordinating installation with casing 1
With flange 34, the bearing cap I 35 and oil sealing 36 for being used for sealing taper roll bearing I 33 are provided between the flange 34 and casing 1.
Preferentially, described one end of input shaft 2 is provided with the taper roll bearing II 13 for coordinating installation with casing 1, and the end is justified
Taper roller bearing II 13 is tightly connected by bearing cap II 14 and casing 1, and the other end of input shaft 2 is provided with matches somebody with somebody with clutch outer member 80
The taper roll bearing III 15 of installation is closed, clutch outer member 80 is provided with the fuel feed hole with being connected inside gear shifting hydraulic cylinder 7
802。
The operation principle of the present invention：In not logical hydraulic oil, disc spring sub-assembly 801 rebounds piston 86 pressing friction piece
Platen 84 makes the pressing friction chip assembly 83 of friction plate platen 84, and the driving force can that driving shaft 81 inputs passes through friction plate group
Component 83 transmits torque to friction plate platen 84, and friction plate platen 84 is integrally fixed on input shaft 2, and input shaft 2 just has biography
Power（I.e. input shaft 2 is combined with driving shaft 81）, when detachment is desired, lead to hydraulic oil into hydraulic cylinder 85 from oil inlet 802, it is living
Movement presses disc spring sub-assembly 801 to plug 86 outward, and at this moment friction plate platen 84 is driven friction plate combination part by return disc spring 87
83 flick, and make friction plate combination part 83 to friction plate platen 84 without transmission torque（I.e. driving shaft 81 separates with input shaft 2）, point
The driving force to front-rear axle output shaft 3 is driven from rear cut-off input shaft 2, front-rear axle output shaft 3 is not being had the transmission of driving force
Under be easier to allow synchronizer assembly to prevent shifting shock, the damage of gear can be prevented to high low speed driven gear shift sleeve tooth,
Cost is reduced, reduces maintenance rate, extends the service life of speed changer.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
A variety of change, modification, replacement and modification can be carried out to these embodiments by departing under the principle and objective of the present invention, of the invention
Scope is limited by claim and its equivalent.
Claims (5)
1. the speed changer of hydraulic-driven wheel excavator, including casing and the input shaft, the front-rear axle that are rotatably arranged on casing
Output shaft, input shaft are provided with needle bearing and coordinate the top gear driving gear of installation and low or first gear driving gear, front-rear axle defeated
Shaft is provided with the top gear driven gear and low or first gear driven gear that needle bearing coordinates installation, it is characterised in that：Also include
For hydraulic control driving shaft and the normally closed rotating vane type hydraulic clutch mechanism of input shaft clutch, the planet for exporting low-grade fast ratio
Gear train and the synchronizer assembly for height quick change shelves；
The normally closed rotating vane type hydraulic clutch mechanism includes clutch outer member, driving shaft, clutch driven plate, friction plate combination
Part, friction plate platen, hydraulic cylinder, piston, return disc spring, disc spring sub-assembly, the clutch outer member are connected with casing, the master
Moving axis is arranged on input shaft by deep groove ball bearing and input axis connection, the clutch driven plate, the friction plate combination
Part is arranged on driving shaft and is fixed by friction plate platen, and the friction plate platen is fixed with piston by thrust bearing
On driving shaft, the hydraulic cylinder after piston airtight connection by flange and clutch outer member with being fixed, the piston and flange
Between be provided with the disc spring sub-assembly being arranged on driving shaft, the driving shaft input is connected with variable piston motor；
The planetary gearsets include sun gear, gear ring, planet carrier, multiple planetary gears, and the sun gear is fixed on input shaft,
Sun gear is integrally formed with input shaft, and the gear ring is locked by bolt and clutch outer member, each planetary gear peace
Being engaged simultaneously on planet carrier and with sun gear, gear ring, the planet carrier is sheathed on input shaft and rotated around input shaft,
Fixation is bolted between low or first gear driving gear and planet carrier；
The synchronizer assembly is arranged on front-rear axle output shaft, and passes through the piston axis connection of fork and gear shifting hydraulic cylinder, institute
Gear shifting hydraulic cylinder is stated on casing.
2. the speed changer of hydraulic-driven wheel excavator according to claim 1, it is characterised in that：The front-rear axle output
Axle both ends are respectively equipped with the taper roll bearing I and flange for coordinating installation with casing, are provided with and are used between the flange and casing
Seal the bearing cap I and oil sealing of taper roll bearing.
3. the speed changer of hydraulic-driven wheel excavator according to claim 1, it is characterised in that：Described input shaft one end
Provided with the taper roll bearing II for coordinating installation with casing, and the end taper roll bearing II passes through bearing cap II and box sealing
Connection, the input shaft other end are provided with the taper roll bearing III for coordinating installation with clutch outer member.
4. the speed changer of the hydraulic-driven wheel excavator according to claim 1 or 3, it is characterised in that：The clutch
Shell is provided with the fuel feed hole with being connected inside hydraulic cylinder.
5. the speed changer of hydraulic-driven wheel excavator according to claim 1, it is characterised in that：The top gear is actively
The spacer being arranged on input shaft is provided between gear and low or first gear driving gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616326.0A CN107355518A (en) | 2017-07-26 | 2017-07-26 | The speed changer of hydraulic-driven wheel excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616326.0A CN107355518A (en) | 2017-07-26 | 2017-07-26 | The speed changer of hydraulic-driven wheel excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107355518A true CN107355518A (en) | 2017-11-17 |
Family
ID=60284416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710616326.0A Pending CN107355518A (en) | 2017-07-26 | 2017-07-26 | The speed changer of hydraulic-driven wheel excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107355518A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340324A (en) * | 2018-12-19 | 2019-02-15 | 绍兴前进齿轮箱有限公司 | A kind of power shift gear-box for wheel excavator |
| CN109538714A (en) * | 2018-12-29 | 2019-03-29 | 江苏沃得农业机械有限公司 | A kind of novel power output drive mechanism |
| CN109826913A (en) * | 2019-03-31 | 2019-05-31 | 龙岩市万通机械有限公司 | Hydraulic-driven wheel excavator stepless speed changing mechanism |
| CN111853199A (en) * | 2020-08-05 | 2020-10-30 | 龙岩市万通机械有限公司 | Power gear shifting transmission of wheel type excavator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB928565A (en) * | 1960-09-12 | 1963-06-12 | Sira S R L | Friction coupling for the transmission of power in motor vehicles |
| DE3907382A1 (en) * | 1988-03-11 | 1989-09-21 | Zahnradfabrik Friedrichshafen | Drive device with a two-speed gear unit |
| DE19720129A1 (en) * | 1996-05-25 | 1997-11-27 | Volkswagen Ag | Speed change gearbox with reverse |
| CN2864226Y (en) * | 2005-12-26 | 2007-01-31 | 洛阳拖拉机研究所有限公司 | Tractor used power output clutch device with brake |
| KR101279730B1 (en) * | 2011-12-22 | 2013-06-27 | (주)아진게네시스 | Automatic shifting device for the electricvehicle |
| CN103953697A (en) * | 2014-05-26 | 2014-07-30 | 福田雷沃国际重工股份有限公司 | Power high-low gear structure of tractor |
| JP2015107678A (en) * | 2013-12-03 | 2015-06-11 | スズキ株式会社 | Outboard engine |
| WO2016111578A1 (en) * | 2015-01-09 | 2016-07-14 | 두산인프라코어 주식회사 | Automatic gear shifting method for construction machine and device for performing same |
| CN207034104U (en) * | 2017-07-26 | 2018-02-23 | 福建省晋江市科华汽配有限公司 | The speed changer of hydraulic-driven wheel excavator |
-
2017
- 2017-07-26 CN CN201710616326.0A patent/CN107355518A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB928565A (en) * | 1960-09-12 | 1963-06-12 | Sira S R L | Friction coupling for the transmission of power in motor vehicles |
| DE3907382A1 (en) * | 1988-03-11 | 1989-09-21 | Zahnradfabrik Friedrichshafen | Drive device with a two-speed gear unit |
| DE19720129A1 (en) * | 1996-05-25 | 1997-11-27 | Volkswagen Ag | Speed change gearbox with reverse |
| CN2864226Y (en) * | 2005-12-26 | 2007-01-31 | 洛阳拖拉机研究所有限公司 | Tractor used power output clutch device with brake |
| KR101279730B1 (en) * | 2011-12-22 | 2013-06-27 | (주)아진게네시스 | Automatic shifting device for the electricvehicle |
| JP2015107678A (en) * | 2013-12-03 | 2015-06-11 | スズキ株式会社 | Outboard engine |
| CN103953697A (en) * | 2014-05-26 | 2014-07-30 | 福田雷沃国际重工股份有限公司 | Power high-low gear structure of tractor |
| WO2016111578A1 (en) * | 2015-01-09 | 2016-07-14 | 두산인프라코어 주식회사 | Automatic gear shifting method for construction machine and device for performing same |
| CN207034104U (en) * | 2017-07-26 | 2018-02-23 | 福建省晋江市科华汽配有限公司 | The speed changer of hydraulic-driven wheel excavator |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340324A (en) * | 2018-12-19 | 2019-02-15 | 绍兴前进齿轮箱有限公司 | A kind of power shift gear-box for wheel excavator |
| CN109340324B (en) * | 2018-12-19 | 2024-05-31 | 绍兴前进齿轮箱有限公司 | Power shift gear box for wheel excavator |
| CN109538714A (en) * | 2018-12-29 | 2019-03-29 | 江苏沃得农业机械有限公司 | A kind of novel power output drive mechanism |
| CN109826913A (en) * | 2019-03-31 | 2019-05-31 | 龙岩市万通机械有限公司 | Hydraulic-driven wheel excavator stepless speed changing mechanism |
| CN109826913B (en) * | 2019-03-31 | 2024-03-22 | 龙岩市万通机械有限公司 | Stepless speed change mechanism of hydraulic driving wheel type excavator |
| CN111853199A (en) * | 2020-08-05 | 2020-10-30 | 龙岩市万通机械有限公司 | Power gear shifting transmission of wheel type excavator |
| CN111853199B (en) * | 2020-08-05 | 2024-06-04 | 龙岩市万通机械有限公司 | Power gear-shifting speed variator for wheel excavator |
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