CN105508544A - Combined harvester hydraulic power gearshift transmission case - Google Patents
Combined harvester hydraulic power gearshift transmission case Download PDFInfo
- Publication number
- CN105508544A CN105508544A CN201610071891.9A CN201610071891A CN105508544A CN 105508544 A CN105508544 A CN 105508544A CN 201610071891 A CN201610071891 A CN 201610071891A CN 105508544 A CN105508544 A CN 105508544A
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- CN
- China
- Prior art keywords
- gear
- axle
- clutch
- hydraulic power
- combine
- 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
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/06—Gearings
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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
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The invention relates to a transmission case, particularly a combined harvester hydraulic power gearshift transmission case, which mainly solves the technical problem of incapability of implementing quantitative variable speed since the transmission case adopted by the harvester in the prior art is in the same gear, and also solves the technical problems of difficulty in gearshift operation, complex manufacturing process, higher production cost and the like. The combined harvester hydraulic power gearshift transmission case comprises a case body (1), wherein the case body (1) is provided with an input component; the input component is connected with a transmission mechanism; the transmission mechanism is connected with a differential assembly; the differential assembly is connected with a differential gear (2); the input component comprises a hydrocylinder (3); a piston (4) is arranged in the hydrocylinder; the outer end of the piston contacts a movable belt pulley (5); and the inner side of the movable belt pulley is provided with a fixed belt pulley (6).
Description
Technical field
The present invention relates to a kind of gearbox, especially relate to combine-harvester hydraulic power shift transmission.
Background technique
The purposes of gear-box has: acceleration-deceleration, is exactly the speed-change gear box often said; Change transmission direction, such as we can by power vertical transmission to another rotatingshaft with two tooth sector.Chinese patent discloses a kind of Combined harvester special gear box (Authorization Notice No.: CN201129410Y), it comprises a casing, an actuation unit and a gear graduation unit, gear graduation unit is arranged in casing, actuation unit is connected with gear graduation unit, actuation unit comprises: three one control levers, respectively in order to the conversion of control realization secondary velocity, a rate conversion and forward gears/retrogressing shelves conversion, all shift fork is connected with, in order to realize corresponding conversion bottom every one control lever; Gear graduation unit comprises: the power input shaft system be arranged in parallel successively, reverse gear shaft system, a rate conversion axle system and secondary velocity transaxle system, each axle is fastened and is all provided with at least one group of gear, the gear that the power input shaft system that fork is corresponding and described, a rate conversion axle system and secondary velocity transaxle are fastened leans, and realizes the engagement of respective gears between same axle system or axle system when operating handle is in a certain position; Power input shaft is a power input shaft, by a shift fork that splined shaft is provided with the first sliding gear and is equipped with on it; Reverse gear shaft system comprises: a reverse gear shaft and one first intermediate transfer axle, wherein reverse gear shaft is arranged between power input shaft and the first intermediate transfer axle, be provided with a reverse gear, first intermediate transfer axle is provided with two gears, the first sliding gear stirred by the shift fork fastened by being arranged at power input shaft, realize the first sliding gear to engage with reverse gear, reverse gear again with the gears meshing of the first intermediate transfer axle; Or realize the first sliding gear to engage with the direct geared of the first intermediate transfer axle.But the gearbox that this reaper adopts cannot realize quantitative speed change on same gear, and gear shift operation comparatively not easily, and manufacture comparatively numerous and diverse, cost of production is also higher.
Summary of the invention
The present invention is to provide a kind of combine-harvester hydraulic power shift transmission, the gearbox of its reaper employing mainly solved existing for prior art cannot realize quantitative speed change on same gear, and gear shift operation comparatively not easily, manufacture comparatively numerous and diverse, the technical problem that cost of production is also more high.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
Combine-harvester hydraulic power shift transmission of the present invention, comprise casing, described casing is provided with input block, input block is connected with driving mechanism, driving mechanism connected with differential assembly, and differential assembly is connected with differential gear, input block includes oil cylinder, be provided with piston in oil cylinder, the outer end contact of piston has moveable movable strap disc, and the inner side of movable strap disc is provided with fixed strap disc.Input block is controlled by the control valve in operator cabin.Toward piston primer pressure, when movable strap disc and fixed strap disc close, diameter becomes greatly, and an axle rotating speed namely can be slack-off.When oil cylinder draining, when movable strap disc is separated with fixed strap disc, diameter diminishes, and namely an axle rotating speed can accelerate.So reaper realizes quantitative speed change on same gear.
As preferably, described input block is connected with an axle assembly, and an axle assembly is connected with two axle assemblies, three axle assemblies, differential assembly in turn; Three axle assemblies are provided with reverse clutch, and two axle assemblies are provided with one grade of clutch, second gear clutch, and reverse clutch, one grade of clutch, second gear clutch connect oil pump by control valve.The pistons work of the hydraulic pressure each clutch of line when hydraulically operated valve and hydraulic distributing valve come produced during operation of oil pump is had to reach the effect of clutch during clutch Operating In Persistent Current Mode.
After one grade of clutch is closed, transmission of power is given the gear of two axles by the gear of an axle, and transmission of power can be given three axles by the gear of two axles, and three axles drive differential mechanism to operate again, thus complete the transmission of a grade.After second gear clutch is closed, transmission of power is given two axles by an axle, and two axles are directly with dynamic triaxial, differential mechanism to operate, thus complete the transmission of second gear.After reverse clutch is closed, transmission of power is directly given three axles by an axle, and differential mechanism operates, thus completes the transmission of reverse gear.
The present invention is in housing structure design, and for ease of assembling and maintenance, casing adopts vertical profile structure; Carry oil pump to be fixed on box part by end cap.One grade of clutch and second gear clutch are arranged on defeated two axles, and one grade of clutch and second gear clutch are contained on two axles back-to-back, and reverse clutch is contained on three axles.Input shaft mainly bears twisting force, increases transmission capacity; Add a torque dupler to drive.Due to the inherent characteristic of oil clutch drive, under off the row operating mode, still have certain band row rotating speed, reduce between gear and switch produced impact, increase the Life cycle of gear-box.
The present invention ensures the travelling comfort of the stability of complete machine, advance, adaptability and driving procedure, safety, effectively reduces the labor intensity of operator, realizes human oriented design.Shifting shock is little, and this gear-box adopts hydraulic delay control system, the pressure oil time delay in hydraulic control system can be imported corresponding operative clutch oil cylinder, promotes piston and is compressed by friction plate, reach the object of gear shift, greatly reduce shifting shock.The driver of conventional gearbox steps on clutch ability engage a gear before engage a gear; If clutch beats tooth, so clutch must be separated completely before engage a gear half-clutch can generation; Hanging up properly clutch after shelves can not pine too fast, and can produce impact too soon, reduce the life of gear-box, Safety performance reduces; Too slowly, clutch plate can be burnt; Labor intensity is brought at work, to operator inconvenience to operator.
Belt pulley is the parts of power input, needs the moment of torsion carrying large intensity.The clutch of conventional gearbox is external, does not fill Novel stepless variable-speed device, and reason 1. is because external clutch endoporus is little, an axle cannot assemble when lengthening, too increase difficulty of processing simultaneously, and domestic existing lathe cannot ensure precision.Material in the market cannot reach requirement of strength.2 Novel gear boxes are that built-in wet clutch can fill.Novel stepless variable-speed device by forming with lower component, cylinder pedestal, oil cylinder housing, piston cylinder, Moving plate, price fixing, bearing etc.(seeing Fig. 1) as can be seen, this assembling needs special frock to ensure all part concentricitys.Oil pressure needed for stepless speed variator can have Novel gear box to carry pump to be provided, or external oil circuit.
The present invention changes transmission, the way of output of conventional gearbox; Transfer gear box adopts the kind of drive such as synchronizer, slippage tooth.This kind of drive need step on external clutch separation; Carry out speed switching by disengaging yoke, be not easy to peasant household's operation and, oil consumption time-consuming to peasant household's increase labor intensity.Another kind of mode in the market; Original basis has added a set of hydrostatic motor, although alleviate peasant household's labor intensity and the mode that simplifies the operation, the cost of invisible increase by 1 times-1.5 times.And Novel stepless variable-speed case simplifies the mode of operation of conventional gearbox, the operation facilitating peasant household also significantly alleviates the labor intensity of operator of farm machinery, has saving time, reduces energy consumption; The price (approximately can fall 50%-60%) significantly reducing product cost is compared with adding hydrostatic machine gearbox.Operation system has easy and simple to handle, the quick-moving speed of convenient operation of installing hydrostatic machine gearbox equally and grasps, and also has the electrodeless variable-speed function of similar hydrostatic machine; Reach the requirement of grain combine region internal speed-changing.From existing market grain combine situation, all there is no such Novel electrodeless gearbox.
As preferably, a described axle assembly includes an axle, and an axle connects movable strap disc through piston, an axle is connected with axle first gear, axle second gear, an axle the 3rd gear.
As preferably, two described axle assemblies include two axles, two axles are connected with one grade of gear, intermediate gear, two shaft transmission gears, one grade of gear and axle first gears meshing, intermediate gear and an axle the 3rd gears meshing.
As preferably, three described axle assemblies include three axles, three axles are connected with reverse gear, three shaft transmission gears, and reverse gear and axle second gears meshing, three shaft transmission gears engage with second gear driving gear, and the middle part of three axles is engaged with differential gear.
As preferably, described differential assembly includes cross axle, and cross axle is connected with differential gear by differential spider wheel, and differential gear is connected on two output shafts.
As preferably, described reverse clutch, one grade of clutch, second gear clutch are all wet friction clutch.
As preferably, the end of a described axle assembly, two axle assemblies, three axle assemblies is all provided with bearing support.Such axle assembly, two axle assemblies, three axle assemblies are more smooth and easy rotatably.
As preferably, described belt pulley of determining is connected with adpting flange, and adpting flange and oil cylinder are fixed together.Assembling can be made comparatively simple by adpting flange.
As preferably, described movable strap disc is fixed with capping, and an axle cross-under is in capping.
Therefore, the present invention by each function part integration of gear-box, modularization, reduce excessive part, decrease coupling at gearbox output, the gear in gear-box often binds connection, ensure that it connects precision, gear-box can more effectively be worked, save the space of complete machine simultaneously, reduced the cost of production of complete machine, improve complete machine automation mechanized operation, ensure that gear-box works more effectively, simple and reasonable for structure.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present invention.
Component in figure, position and numbering: casing 1, differential gear 2, oil cylinder 3, piston 4, movable strap disc 5, fixed strap disc 6, reverse clutch 7, one grade of clutch 8, second gear clutch 9, oil pump 10, one axle 11, one axle first gear 12, one axle second gear 13, one axle the 3rd gear 14, two axles 15, one grade of gear 16, intermediate gear 17, second gear driving gear 18, three axles 19, reverse gear 20, three shaft transmission gears 21, cross axle 22, differential spider wheel 23, differential gear 24, output shaft 25, bearing support 26, adpting flange 27, capping 28.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment: the combine-harvester hydraulic power shift transmission of this example, as Fig. 1, comprise casing 1, casing is provided with input block, and input block is connected with driving mechanism, driving mechanism connected with differential assembly, differential assembly is connected with differential gear 2, and input block includes oil cylinder 3, is provided with piston 4 in oil cylinder, the outer end contact of piston has moveable movable strap disc 5, and the inner side of movable strap disc is provided with fixed strap disc 6.Determine belt pulley and be connected with adpting flange 27, adpting flange and oil cylinder are fixed together.Movable strap disc is fixed with the cross-under of capping 28, axle 11 in capping.Input block is connected with an axle assembly, and an axle assembly is connected with two axle assemblies, three axle assemblies, differential assembly in turn; Three axle assemblies are provided with reverse clutch 7, and two axle assemblies are provided with one grade of clutch 8, second gear clutch 9, and reverse clutch, one grade of clutch, second gear clutch connect oil pump 10 by control valve.
One axle assembly includes axle 11, axle and connects movable strap disc 5 through piston 4, an axle is connected with axle first gear 12, axle second gear 13, axle the 3rd gear 14.
Two axle assemblies include on two axle 15, two axles and are connected with one grade of gear 16, intermediate gear 17, two shaft transmission gear 18, one grade of gear engages with axle first gear 12, and intermediate gear engages with an axle the 3rd gear 14.
Three axle assemblies include on three axle 19, three axles and are connected with reverse gear 20, three shaft transmission gear 21, and reverse gear engages with axle second gear 13, and three shaft transmission gears engage with second gear driving gear 18, and the middle part of three axles is engaged with differential gear 2.
Differential assembly includes cross axle 22, and cross axle is connected with differential gear 24 by differential spider wheel 23, and differential gear is connected on two output shafts 25.
Reverse clutch 7, one grade of clutch 8, second gear clutch 9 are all wet friction clutch.The end of one axle assembly, two axle assemblies, three axle assemblies is all provided with bearing support 26.
During use, when Joystick is in " sky " position, the working oil of one grade of clutch 8 on two axle 15, three axles 19, second gear clutch 9, reverse clutch 7 is directly connected back oil road by hydraulic control system, friction plate departs from, one axle first gear 12, axle second gear, 13, one grade of gear 16, intermediate gear 17, reverse gear 20 lost contact, empty set is on two axle 15, three axles 19, and output shaft runs out of steam, and quits work.
When Joystick is in " 1 " position, the working oil of one grade of clutch 8 oil cylinder on two axles 15 imports, promote piston friction plate is compressed, one grade of gear 16 connects with two axles, two shaft transmission gears 18 and three shaft transmission gears 21 and three axles 19 are rotated simultaneously, and the middle part of three axles drives differential gear 2 to start working.
When Joystick is in " 2 " position, the working oil of second gear clutch 9 oil cylinder on two axles 15 imports, promote piston friction plate is compressed, intermediate gear 17 connects with two axles, two shaft transmission gears 18 and three shaft transmission gears 21 and three axles 19 are rotated simultaneously, and the middle part of three axles drives differential gear 2 to start working.
When Joystick is in " falling " position, the working oil of reverse clutch 7 oil cylinder on three axles 19 imports, and promote piston and compressed by friction plate, reverse gear 20 connects with three axles, rotates simultaneously, and the middle part of three axles drives differential gear 2 to start working.
When cab handle moves slow position to soon having, the working oil of torque dupler oil cylinder 3 imports, and promotes piston 4 and promotes movable strap disc 5, and movable strap disc 5 and fixed strap disc 6 close, and belt pulley diameter increases makes an axle rotating speed slack-off, whole walking work slow down.When cab handle moves fast position to slowly having, the working oil of speed changer oil cylinder 17 draws off, and piston 4 drives movable strap disc 5, and movable strap disc 5 and fixed strap disc 6 open, and belt pulley diameter reduces an axle rotating speed is accelerated, and whole walking work is accelerated to accelerate.New work transmission perfectly coordinate Novel gearbox reach grain harvester gather under various circumstances do not need gearshift.
The foregoing is only specific embodiments of the invention, but structure characteristic of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among the scope of the claims of the present invention.
Claims (10)
1. a combine-harvester hydraulic power shift transmission, comprise casing (1), it is characterized in that described casing (1) is provided with input block, input block is connected with driving mechanism, driving mechanism connected with differential assembly, and differential assembly is connected with differential gear (2), input block includes oil cylinder (3), be provided with piston (4) in oil cylinder, the outer end contact of piston has moveable movable strap disc (5), and the inner side of movable strap disc is provided with fixed strap disc (6).
2. combine-harvester hydraulic power shift transmission according to claim 1, is characterized in that described input block is connected with an axle assembly, and an axle assembly is connected with two axle assemblies, three axle assemblies, differential assembly in turn; Three axle assemblies are provided with reverse clutch (7), and two axle assemblies are provided with one grade of clutch (8), second gear clutch (9), and reverse clutch, one grade of clutch, second gear clutch connect oil pump (10) by control valve.
3. combine-harvester hydraulic power shift transmission according to claim 2, it is characterized in that a described axle assembly includes an axle (11), one axle connects movable strap disc (5) through piston (4), an axle is connected with axle first gear (12), axle second gear (13), an axle the 3rd gear (14).
4. combine-harvester hydraulic power shift transmission according to claim 3, it is characterized in that two described axle assemblies include two axles (15), two axles are connected with one grade of gear (16), intermediate gear (17), two shaft transmission gears (18), one grade of gear engages with axle first gear (12), and intermediate gear engages with an axle the 3rd gear (14).
5. combine-harvester hydraulic power shift transmission according to claim 4, it is characterized in that three described axle assemblies include three axles (19), three axles are connected with reverse gear (20), three shaft transmission gears (21), reverse gear engages with axle second gear (13), three shaft transmission gears engage with second gear driving gear (18), and the middle part of three axles is engaged with differential gear (2).
6. combine-harvester hydraulic power shift transmission according to claim 2, it is characterized in that described differential assembly includes cross axle (22), cross axle is connected with differential gear (24) by differential spider wheel (23), and differential gear is connected on two output shafts (25).
7. combine-harvester hydraulic power shift transmission according to claim 2, is characterized in that described reverse clutch (7), one grade of clutch (8), second gear clutch (9) is all wet friction clutch.
8. combine-harvester hydraulic power shift transmission according to claim 2, is characterized in that the end of a described axle assembly, two axle assemblies, three axle assemblies is all provided with bearing support (26).
9. combine-harvester hydraulic power shift transmission according to claim 1, it is characterized in that described belt pulley (7) of determining is connected with adpting flange (27), adpting flange and oil cylinder (3) are fixed together.
10. combine-harvester hydraulic power shift transmission according to claim 3, it is characterized in that described movable strap disc (5) is fixed with capping (28), an axle (11) cross-under is in capping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071891.9A CN105508544A (en) | 2016-02-02 | 2016-02-02 | Combined harvester hydraulic power gearshift transmission case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071891.9A CN105508544A (en) | 2016-02-02 | 2016-02-02 | Combined harvester hydraulic power gearshift transmission case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105508544A true CN105508544A (en) | 2016-04-20 |
Family
ID=55716751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071891.9A Pending CN105508544A (en) | 2016-02-02 | 2016-02-02 | Combined harvester hydraulic power gearshift transmission case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508544A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438997A (en) * | 2016-09-27 | 2017-02-22 | 张道勤 | Continuous assistance hydraulic control gear shifting transmission |
| CN107687508A (en) * | 2016-08-04 | 2018-02-13 | 张雨 | A kind of automatic gear-box |
| CN110425264A (en) * | 2019-09-04 | 2019-11-08 | 山东雷沃传动有限公司 | A kind of control system and control method of electrichydraulic control gearbox |
| CN115405670A (en) * | 2022-08-28 | 2022-11-29 | 临沂万和精工机械有限公司 | Multi-gear type three-speed gearbox |
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| JPH0769089A (en) * | 1993-08-31 | 1995-03-14 | Iseki & Co Ltd | Transmission mechanism for combine |
| CN2633006Y (en) * | 2003-07-04 | 2004-08-18 | 安棋 | Stepless speed changing device for crawler combine |
| CN2875030Y (en) * | 2006-02-08 | 2007-03-07 | 张永正 | Stepless speed changing device for rice combine |
| CN103766083A (en) * | 2014-01-13 | 2014-05-07 | 姚捷 | Transmission assembly for crop combine-harvester |
| CN204539998U (en) * | 2015-03-03 | 2015-08-12 | 温岭市明华齿轮有限公司 | Monoblock type infinitely variable speeds corn machine drive axle |
| CN204762243U (en) * | 2015-07-06 | 2015-11-18 | 姚捷 | Crops combine third gear transmission assembly |
| CN205605758U (en) * | 2016-02-02 | 2016-09-28 | 姚捷 | Combine hydraulic power gearbox of shifting |
-
2016
- 2016-02-02 CN CN201610071891.9A patent/CN105508544A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0769089A (en) * | 1993-08-31 | 1995-03-14 | Iseki & Co Ltd | Transmission mechanism for combine |
| CN2633006Y (en) * | 2003-07-04 | 2004-08-18 | 安棋 | Stepless speed changing device for crawler combine |
| CN2875030Y (en) * | 2006-02-08 | 2007-03-07 | 张永正 | Stepless speed changing device for rice combine |
| CN103766083A (en) * | 2014-01-13 | 2014-05-07 | 姚捷 | Transmission assembly for crop combine-harvester |
| CN204539998U (en) * | 2015-03-03 | 2015-08-12 | 温岭市明华齿轮有限公司 | Monoblock type infinitely variable speeds corn machine drive axle |
| CN204762243U (en) * | 2015-07-06 | 2015-11-18 | 姚捷 | Crops combine third gear transmission assembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687508A (en) * | 2016-08-04 | 2018-02-13 | 张雨 | A kind of automatic gear-box |
| CN106438997A (en) * | 2016-09-27 | 2017-02-22 | 张道勤 | Continuous assistance hydraulic control gear shifting transmission |
| CN110425264A (en) * | 2019-09-04 | 2019-11-08 | 山东雷沃传动有限公司 | A kind of control system and control method of electrichydraulic control gearbox |
| CN110425264B (en) * | 2019-09-04 | 2024-02-06 | 山东雷沃传动有限公司 | Control system and control method for electrohydraulic control gearbox |
| CN115405670A (en) * | 2022-08-28 | 2022-11-29 | 临沂万和精工机械有限公司 | Multi-gear type three-speed gearbox |
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Application publication date: 20160420 |
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