CN107830126B - Electrohydraulic control power output device - Google Patents
Electrohydraulic control power output device Download PDFInfo
- Publication number
- CN107830126B CN107830126B CN201711222503.3A CN201711222503A CN107830126B CN 107830126 B CN107830126 B CN 107830126B CN 201711222503 A CN201711222503 A CN 201711222503A CN 107830126 B CN107830126 B CN 107830126B
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- CN
- China
- Prior art keywords
- gear
- shaft
- output
- speed change
- transition
- 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.)
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000007704 transition Effects 0.000 claims abstract description 30
- 230000008859 change Effects 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 37
- 239000007788 liquid Substances 0.000 description 10
- 239000010687 lubricating oil Substances 0.000 description 7
- 238000005461 lubrication Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/083—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with radially acting and axially controlled clutching members, e.g. sliding keys
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- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H2003/0811—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts using unsynchronised clutches
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02056—Gearboxes for particular applications for vehicle transmissions for utility vehicles, e.g. tractors or agricultural machines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention belongs to the field of diesel engine power output system design, and particularly relates to an electrohydraulic control power output device which comprises a third output shaft, a sixth hydraulic friction clutch, a second transition shaft and an externally hung mechanical driving shaft, wherein the third output shaft is synchronously and rotationally connected with a first input shaft, the second transition shaft and the third output shaft form clutch transmission fit through the sixth hydraulic friction clutch, and the externally hung mechanical driving shaft and the second transition shaft form transmission fit with variable transmission ratio. The invention realizes the on-off control of the power output of the external mechanical equipment of the agricultural vehicle through the hydraulic friction clutch, has simple operation and high response speed, and simultaneously adopts two groups of gears with different gear ratios to realize the two-stage speed change of the output shaft.
Description
Technical Field
The invention belongs to the field of diesel engine power output system design, and particularly relates to an electrohydraulic control power output device.
Background
The gear box is an indispensable power output device of the motor vehicle, and the main function of the gear box is to transmit the power output by the engine according to different transmission ratios so as to realize the large-scale speed regulation. For agricultural or engineering vehicles, the vehicles are generally required to have more gears than household vehicles, so that the diesel engine gearbox in the prior art is complex in structural design, low in response speed during gear shifting and incapable of meeting actual use requirements.
Disclosure of Invention
The invention aims to provide an electrohydraulic control power output device with more flexible gear shifting and faster gear shifting response speed.
In order to achieve the above purpose, the present invention provides the following technical solutions: the electrohydraulic control power output device comprises a third output shaft, a sixth hydraulic friction clutch, a second transition shaft and an externally-hung mechanical driving shaft, wherein the third output shaft is synchronously and rotationally connected with the first input shaft, the second transition shaft and the third output shaft form clutch transmission fit through the sixth hydraulic friction clutch, and the externally-hung mechanical driving shaft and the second transition shaft form variable transmission fit of a transmission ratio.
The invention has the technical effects that: the invention realizes the on-off control of the power output of the external mechanical equipment of the agricultural vehicle through the hydraulic friction clutch, has simple operation and high response speed, and simultaneously adopts two groups of gears with different gear ratios to realize the two-stage speed change of the output shaft.
Drawings
FIG. 1 is a general assembly view of a powershift transmission provided by an embodiment of the present invention;
FIG. 2 is a partial view of a clutch transmission provided by an embodiment of the present invention;
FIG. 3 is an enlarged partial view of I of FIG. 2;
fig. 4 is a schematic perspective view of a case according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a tank provided by an embodiment of the present invention;
FIG. 6 is a first input shaft cross-sectional view provided by an embodiment of the present invention;
FIG. 7 is a partial view of an on-hook mechanical drive mechanism provided by an embodiment of the present invention;
fig. 8 is a partial view of the front and rear wheel drive mechanisms provided by an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-8, an embodiment of the present invention provides a powershift transmission comprising a clutch transmission 10, a shift transmission 20, and a power take off mechanism 30; the clutch transmission mechanism 10 comprises a first input shaft 11 and a first output shaft 12, and the gear shifting transmission mechanism 20 comprises a second input shaft 21 and a second output shaft 22; the first input shaft 11 is in transmission fit with an engine output shaft, the first output shaft 12 is in transmission fit with the second input shaft 21, the second output shaft 22 is in transmission fit with the power output mechanism 30, and the clutch transmission mechanism 10 is assembled in such a way that the first input shaft 11 can drive the first output shaft 12 to switch between a forward rotation station and a reverse rotation station; the gear change transmission 20 is equipped such that the second input shaft 21 and the second output shaft 22 can be switched between a plurality of different gear ratios.
Preferably, the clutch transmission mechanism 10 further includes a housing 101, the first input shaft 11 and the first output shaft 12 are respectively rotatably disposed on bearing seats in the housing 101 through bearings, a first driving gear 13 and a second driving gear 14 are disposed on the first input shaft 11, wherein the first driving gear 13 is a single gear, and the second driving gear 14 is a duplex gear; the first output shaft 12 is provided with a first driven gear 15 and a second driven gear 16, wherein the first driven gear 15 is a duplex gear, the second driven gear 16 is a single gear, and the box 101 is also internally provided with a first transition gear 18; the first driving gear 13 is meshed with a left side gear of the first driven gear 15, the left side gear of the second driving gear 14 is meshed with a right side gear of the first driven gear 15, the right side gear of the second driving gear 14 is meshed with a first transition gear 18, and the first transition gear 18 is meshed with a second driven gear 16; the first driving gear 13 and the second driving gear 14 respectively form clutch transmission with the first input shaft 11 through a first hydraulic friction clutch 17a and a second hydraulic friction clutch 17b, and the first driven gear 15 and the second driven gear 16 respectively form clutch transmission with the first output shaft 12 through a third hydraulic friction clutch 17c and a fourth hydraulic friction clutch 17 d. The first output shaft 12 is in driving engagement with the second input shaft 21 via a pair of gears 40. The third and fourth hydraulic friction clutches 17c, 17d are used to control the forward and reverse rotation of the first output shaft 12, and the first and second hydraulic friction clutches 17a, 17b are used to control the gear ratio between the first input shaft 11 and the first output shaft 12.
Preferably, a first charging oil path 112, a second charging oil path 113 and a first lubricating oil path 111 are provided in the first input shaft 11 along a direction parallel to the axis, and the first charging oil path 112 and the second charging oil path 113 are respectively communicated with the piston cavities of the first hydraulic friction clutch 17a and the second hydraulic friction clutch 17b through charging holes provided radially or obliquely; the power input end of the first input shaft 11 protrudes to the outside of the box body 101, three annular oil grooves 114 are arranged on the shaft surface of the end, the three annular oil grooves 114 are respectively communicated with the first liquid filling oil way 112 and the second liquid filling oil way 113 and the first lubricating oil way 111 through radial through holes 107, a section of first sliding sleeve 104 matched with the shaft surface where the oil grooves are arranged is protruding and arranged on the outer side of the box body 101, three oil inlet holes which are respectively communicated with the three annular oil grooves 114 in a one-to-one correspondence mode are arranged on the first sliding sleeve 104, one oil inlet hole communicated with the first lubricating oil way 111 is connected with a lubricating oil supply pipeline through a pipeline, and two oil inlet holes communicated with the first liquid filling oil way 112 and the second liquid filling oil way 113 are respectively communicated with the electromagnetic valve 102 through pipelines.
Preferably, a third fluid-filled oil path, a fourth fluid-filled oil path and a second lubrication oil path are arranged in the first output shaft 12 along the direction parallel to the axis, and the two fluid-filled oil paths are respectively communicated with piston cavities of the third hydraulic friction clutch 17c and the fourth hydraulic friction clutch 17d through fluid-filled holes which are radially or obliquely arranged; one end of the first output shaft 12 protrudes to the outside of the box body 101, three annular oil grooves 114 are arranged on the shaft surface of the end, the three annular oil grooves 114 are respectively communicated with a third liquid filling oil way, a fourth liquid filling oil way and a second lubricating oil way through radial through holes 107, a second sliding sleeve 105 matched with the shaft surface where the oil grooves are arranged is protruding and arranged on the outer side of the box body 101, three oil inlet holes which are respectively communicated with the three annular oil grooves 114 in a one-to-one correspondence manner are arranged on the second sliding sleeve 105, one oil inlet hole communicated with the second lubricating oil way is connected with a lubricating oil supply pipeline through a pipeline, and two oil inlet holes communicated with the third liquid filling oil way and the fourth liquid filling oil way are respectively communicated with the electromagnetic valve 102 through pipelines.
Preferably, the first and second hydraulic friction clutches 17a and 17b are disposed corresponding to ring grooves between the left and right gears on the first driven gear 15; the third and fourth hydraulic friction clutches 17c and 17d are provided in correspondence with ring grooves between the left and right gears on the second driving gear 14.
Preferably, the solenoid valve 102 is mounted on a side wall of the case 101.
Preferably, a protruding rib is provided on the inner wall of the case 101, an integrated liquid filling oil path 103 is provided in the protruding rib, one end of the integrated liquid filling oil path 103 is communicated with the electromagnetic valve 102, and the other end is communicated to the end surfaces where the first sliding sleeve 104 and the second sliding sleeve 105 are located.
Preferably, a protruding rib is arranged on the inner wall of the box body 101, an integrated lubrication oil way is arranged in the protruding rib, one end of the integrated lubrication oil way is communicated with a lubrication pipe arranged on the outer wall of the box body 101, and the other end of the integrated lubrication oil way is communicated to the end face where the first sliding sleeve 104 and the second sliding sleeve 105 are located.
Preferably, the box 101 is a tubular structure with a front-back through structure, and comprises a cylindrical section for accommodating the coupling and a rectangular section for accommodating the first input shaft 11 and the first output shaft 12, a partition 106 is arranged between the cylindrical section and the rectangular section, one side of the partition 106, which is close to the cylindrical section, is an end surface where the first sliding sleeve 104 and the second sliding sleeve 105 are located, and a bearing seat for installing bearings of the first input shaft 11 and the first output shaft 12 is arranged on the partition 106.
Preferably, the axis of the cylindrical section is collinear with the axis of the first input shaft 11.
Preferably, a threaded hole 108 for connecting with the gear shifting transmission mechanism 20 shell is arranged at one end of the rectangular section far away from the cylindrical section, and a through hole 107 for the first input shaft 11 and the first output shaft 12 to protrude into the gear shifting transmission mechanism 20 shell is arranged on the end face.
Preferably, the first input shaft 11, the first output shaft 12 and the end of the rotating shaft of the first transition gear 18, which is far away from the cylindrical section, are all rotatably arranged in the housing of the gear shifting transmission mechanism 20 through bearings.
Preferably, a sealing ring groove is respectively arranged between two adjacent annular oil grooves 114 and outside the two annular oil grooves 114 at the two ends, and a sealing ring 115 is arranged in the sealing ring groove.
Preferably, the power output mechanism 30 includes a rear wheel driving mechanism 30a, a front wheel driving mechanism 30b, and an on-hook mechanical driving mechanism 30c, wherein the front wheel driving mechanism 30b and the on-hook mechanical driving mechanism 30c have a device capable of controlling the on-off of power.
Preferably, the rear wheel drive mechanism 30a includes a rear axle differential, and one end of the second output shaft 22 is in driving engagement with the rear axle differential via a bevel gear mechanism 39.
Preferably, the front wheel driving mechanism 30b includes a first output gear 32, a second transition gear 33, a second output gear 34, and a transition shaft 35; the first output gear 32 is rotationally connected with the second output shaft 22 synchronously, the second transition gear 33 is meshed with the first output gear 32, the second output gear 34 is meshed with the second transition gear 33, and the second output gear 34 and the first transition shaft 35 form clutch transmission fit through a fifth hydraulic friction clutch 36; the first transition shaft 35 is in transmission fit with a longitudinal transmission shaft 38 through a universal coupling 37, and the longitudinal transmission shaft 38 is in transmission fit with a front axle differential;
preferably, the externally hung mechanical driving mechanism 30c includes a third output shaft 31, a sixth hydraulic friction clutch 311, a second transition shaft 312, and an externally hung mechanical driving shaft 315, where the third output shaft 31 is rotationally connected with the first input shaft 11 synchronously, the second transition shaft 312 forms a clutch transmission fit with the third output shaft 31 through the sixth hydraulic friction clutch 311, and the externally hung mechanical driving shaft 315 and the second transition shaft 312 form a transmission fit with a variable transmission ratio.
Preferably, the second input shaft 21 has a hollow cylindrical structure, and the third output shaft 31 extends from the end of the first input shaft 11 to the right end of the housing of the gear shifting transmission mechanism 20 along the central hole of the second input shaft 21.
Preferably, the second transition shaft 312 has a hollow cylindrical structure, and the second transition shaft 312 is sleeved on the third output shaft 31 in a hollow manner.
Preferably, a third output gear 313 and a fourth output gear 314 are provided on the second transition shaft 312, and the third output gear 313 and the fourth output gear 314 are both connected with the second transition shaft 312 in a synchronous rotation manner; the externally hung mechanical driving shaft 315 is provided with a first speed-changing gear 316 and a second speed-changing gear 317, the first speed-changing gear 316 is meshed with the third output gear 313, and the second speed-changing gear 317 is meshed with the fourth output gear 314; the first speed-changing gear 316 and the second speed-changing gear 317 are sleeved on the externally hung mechanical driving shaft 315 in an empty mode, a gear hub 318 which is connected with the externally hung mechanical driving shaft 315 in a synchronous rotation mode is arranged between the first speed-changing gear 316 and the second speed-changing gear 317, auxiliary teeth which are flush with the tooth shape of the gear hub 318 are arranged on the side, opposite to the gear hub 318, of the first speed-changing gear 316 and the second speed-changing gear 317, a gear sleeve 319 is sleeved on the gear hub 318, the gear sleeve 319 and the gear hub 318 form sliding fit in the axis direction, and a shifting fork 310 used for driving the gear sleeve 319 to slide is arranged on the outer annular surface of the gear sleeve 319.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (1)
1. An electrohydraulic control power take off, characterized by: the device comprises a third output shaft (31), a sixth hydraulic friction clutch (311), a second transition shaft (312) and an externally-hung mechanical driving shaft (315), wherein the third output shaft (31) is synchronously and rotationally connected with the first input shaft (11), the second transition shaft (312) and the third output shaft (31) form clutch transmission fit through the sixth hydraulic friction clutch (311), and the externally-hung mechanical driving shaft (315) and the second transition shaft (312) form transmission fit with variable transmission ratio;
the second input shaft (21) is of a hollow cylindrical structure, and the third output shaft (31) penetrates from the end part of the first input shaft (11) to the right end of the shell of the gear shifting transmission mechanism (20) along the center hole of the second input shaft (21);
the second transition shaft (312) is of a hollow cylindrical structure, and the second transition shaft (312) is sleeved on the third output shaft (31) in a hollow mode;
a third output gear (313) and a fourth output gear (314) are arranged on the second transition shaft (312), and the third output gear and the fourth output gear (313, 314) are synchronously and rotatably connected with the second transition shaft (312); the externally hung mechanical driving shaft (315) is provided with a first speed change gear (316) and a second speed change gear (317), the first speed change gear (316) is meshed with the third output gear (313), and the second speed change gear (317) is meshed with the fourth output gear (314); the gear hub (310) is characterized in that the first speed change gear (316) and the second speed change gear (317) are sleeved on the externally hung mechanical driving shaft (315), a gear hub (318) which is connected with the externally hung mechanical driving shaft (315) in a synchronous rotating mode is arranged between the first speed change gear (316) and the second speed change gear (317), auxiliary teeth which are flush with the tooth shape of the gear hub (318) are arranged on one sides, opposite to the gear hub (318), of the first speed change gear (316) and the second speed change gear (317), of the gear hub (318), a gear sleeve (319) is sleeved on the gear hub (318), the gear sleeve (319) and the gear hub (318) form sliding fit along the axis direction, and a shifting fork (310) which is used for driving the gear sleeve (319) to slide is arranged on the outer ring surface of the gear sleeve (319).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222503.3A CN107830126B (en) | 2017-11-29 | 2017-11-29 | Electrohydraulic control power output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222503.3A CN107830126B (en) | 2017-11-29 | 2017-11-29 | Electrohydraulic control power output device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107830126A CN107830126A (en) | 2018-03-23 |
| CN107830126B true CN107830126B (en) | 2023-12-05 |
Family
ID=61646437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711222503.3A Active CN107830126B (en) | 2017-11-29 | 2017-11-29 | Electrohydraulic control power output device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107830126B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555827B (en) * | 2018-12-06 | 2020-05-12 | 广西玉柴农业装备有限公司 | Gear box |
| CN110345206B (en) * | 2019-08-09 | 2024-07-09 | 滁州悦达实业有限公司 | Gearbox steering adjusting device |
| CN115320708B (en) * | 2022-08-15 | 2023-07-28 | 杭州前进齿轮箱集团股份有限公司 | Agricultural tracked vehicle steering mechanism and steering control method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08338506A (en) * | 1995-06-09 | 1996-12-24 | Komatsu Ltd | Hydraulic machine type change gear |
| EP0754883A2 (en) * | 1988-05-31 | 1997-01-22 | Kabushiki Kaisha Komatsu Seisakusho | Mechanical-hydraulic transmission gear system and method of controlling power transmission using the system |
| CN101050806A (en) * | 2007-05-15 | 2007-10-10 | 江廷普 | Step and stepless combined three shaft gearbox |
| CN102080715A (en) * | 2011-01-07 | 2011-06-01 | 常州市万航工矿设备有限公司 | Hydraulic torque converting box of diesel locomotive |
| CN102239757A (en) * | 2011-05-13 | 2011-11-16 | 广州市科利亚农业机械有限公司 | High-power step-less variable transmission case for agricultural machinery |
| CN204175905U (en) * | 2014-10-11 | 2015-02-25 | 江苏沃得农业机械有限公司 | Tractor hydraulic infinitely variable speed transmission |
| CN106870725A (en) * | 2015-12-13 | 2017-06-20 | 张凤军 | A kind of automatic speed transmission electrohydraulic control system |
| CN107202139A (en) * | 2017-06-06 | 2017-09-26 | 荆州市巨鲸传动机械有限公司 | One kind becomes prompt drop square transfer case |
| CN207728814U (en) * | 2017-11-29 | 2018-08-14 | 滁州悦达实业有限公司 | Electrichydraulic control power output device |
-
2017
- 2017-11-29 CN CN201711222503.3A patent/CN107830126B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0754883A2 (en) * | 1988-05-31 | 1997-01-22 | Kabushiki Kaisha Komatsu Seisakusho | Mechanical-hydraulic transmission gear system and method of controlling power transmission using the system |
| JPH08338506A (en) * | 1995-06-09 | 1996-12-24 | Komatsu Ltd | Hydraulic machine type change gear |
| CN101050806A (en) * | 2007-05-15 | 2007-10-10 | 江廷普 | Step and stepless combined three shaft gearbox |
| CN102080715A (en) * | 2011-01-07 | 2011-06-01 | 常州市万航工矿设备有限公司 | Hydraulic torque converting box of diesel locomotive |
| CN102239757A (en) * | 2011-05-13 | 2011-11-16 | 广州市科利亚农业机械有限公司 | High-power step-less variable transmission case for agricultural machinery |
| CN204175905U (en) * | 2014-10-11 | 2015-02-25 | 江苏沃得农业机械有限公司 | Tractor hydraulic infinitely variable speed transmission |
| CN106870725A (en) * | 2015-12-13 | 2017-06-20 | 张凤军 | A kind of automatic speed transmission electrohydraulic control system |
| CN107202139A (en) * | 2017-06-06 | 2017-09-26 | 荆州市巨鲸传动机械有限公司 | One kind becomes prompt drop square transfer case |
| CN207728814U (en) * | 2017-11-29 | 2018-08-14 | 滁州悦达实业有限公司 | Electrichydraulic control power output device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107830126A (en) | 2018-03-23 |
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