CN103775570B - A kind of combiner gearbox - Google Patents
A kind of combiner gearbox Download PDFInfo
- Publication number
- CN103775570B CN103775570B CN201210405822.9A CN201210405822A CN103775570B CN 103775570 B CN103775570 B CN 103775570B CN 201210405822 A CN201210405822 A CN 201210405822A CN 103775570 B CN103775570 B CN 103775570B
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- China
- Prior art keywords
- gear
- axle
- axles
- rear cabinet
- fork
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
-
- 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
-
- 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
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
A kind of combiner gearbox is by transmission case, change speed gear box, gear shift cover assembly, middle biography case, power transmission shaft, rear cabinet forms, transmission case clutch shaft installed above, biography gear is loaded onto in one end of axle, the other end loads onto clutch, its stage casing dress disengaging pawl, clutch separate or merge is controlled with disengaging pawl, gear is passed in installing in the middle of transmission case, gear is passed under transmission case is mounted below, pass gear under it and be connected on an axle left end, one axle fills low gear gear, high gear gear, one axle is mounted in the top of change speed gear box, one axle down installs two axles successively, three axles, four axles, five axles, six axles are left, six axles are right, seven axles are left, seven axles are right, every axle is all respectively provided with supporting gear, shift gears as required, obtain desirable speed, again by idler gear, reach seven axles left, seven axles right and in be transmitted through axle gear, middle biography gear, middle biography axle, middle biography bevel gear, by dynamic bevel gear, transmission telescopic shaft, front cross axle, power transmission shaft, rear cross axle, forward flange dish, rear stub。
Description
Art the invention belongs to a kind of change speed gear box in agricultural machinery。
The existing each style change speed gear box of background technology and supporting axle and gear, extension shelves mode, the kind of drive, can not meet the multi-functional change speed gear box of modern agricultural development needs, proposes following technical scheme for problem above:
Summary of the invention, for realizing purpose of design of the present invention, the technical scheme is that design is by transmission case (32), change speed gear box (3), gear shift cover assembly (79), middle biography case (51), power transmission shaft (54), a kind of combiner gearbox of rear cabinet (57) composition, it is characterized in that: transmission case clutch shaft installed above (35), one end of axle is installed and is uploaded gear (36), the other end installs clutch (34), its stage casing dress disengaging pawl (33), clutch separate or merge is controlled with disengaging pawl, gear (37) is passed in installing in the middle of transmission case, gear (38) is passed under transmission case is mounted below, pass gear under it and be connected on an axle (39) left end, equipped with low gear gear (40) on an axle, high gear gear (42), an axle is mounted in the top of change speed gear box, and an axle down installs two axles (28) successively, three axles (23), four axles (17), five axles (10), six axles left (4), six axles right (9), seven axles left (1), seven axles right (7), every axle are all respectively provided with supporting gear, shift gears as required, obtain desirable speed, then by idler gear (19), reach seven axles left, seven axles right and in be transmitted through axle gear (30), middle biography gear (48), middle biography axle (46), middle biography bevel gear (49), by dynamic bevel gear (50), transmission telescopic shaft (52), front cross axle (53), power transmission shaft (54), rear cross axle (55), forward flange dish (56), rear stub (68)。
Transmission case is that upper half is circular, and middle circle, lower paddle shape, built-in 3 gears, lower paddle is provided with seven nail, is used for loading onto screw, is held in change speed gear box upper left side。
Change speed gear box is provided with hole, seven symmetrical bearing positions, wherein the 6th, seven apertures in the human head be inner small and outside big, six axles, seven axles are divided into the right and left, at five axles, differential gears can be installed, it is therefore an objective to make it turn to lighter。
Middle biography case frontal plane and back plane are flat shape, two lateral symmetry holes are set in the centre of first half, latter half of offering passes straight hole after power, it is square with its cross-drilled hole, it is arranged over vertical shift fork axis hole, being connected with traction frame, traction frame is provided with upper and lower two symmetrical holes, is positive side space in the middle part of it。
Rear cabinet is hole, three symmetrical bearing positions, three shift fork axis holes, rear cabinet periphery approximating square shape, pin lid (76) dialled by bar shell (69) of putting into gear installed above, rear cabinet back fork axle (70), rear cabinet back fork (71), rear cabinet height shift fork axle (72), rear cabinet height shift fork (73), rear cabinet low shift fork axle (74), the low shift fork of rear cabinet (75), rear cabinet, pin (77) dialled by rear cabinet。
Below gear shift cover assembly, surrounding is a plane, middle toward fovea superior, outerplanar offers nine screw holes, block selecting frame (85) is arranged on both sides in convex hull leading portion, one leads to outside and connects block selecting arm (84), deflect fork (82) and be arranged on convex hull front upper place, deflect fork groove in lower section, the reeve of pin leading portion will be dialled and deflect fork in groove, high to low gear driving lever (41) is arranged on middle back upper place, dial pin (80) be arranged on after top inject inside in block selecting frame groove, drive group pin to carry out block selecting when block selecting frame is up and down, group pin is driven to put into gear when deflecting fork left and right and being movable。
Being transmitted through axle gear (30) in design is 3 mould 38 teeth, is 6207 bearing positions in the middle of gear, and purpose of design makes this gear not follow two axles rotations and independently rotate, and band disorder of internal organs of can passing a bridge passes gear (48)。
Design high to low gear shift fork (43) is two ends shift fork, and two forks are separately inserted between low gear gear (40), high gear gear (42) fork pockets, high to low gear driving lever (41) stir high to low gear shift fork, i.e. optional high gear or low gear。
Design is circular arc by dynamic bevel gear (50) small end inner face, and big end outside back segment is cylindrical internal spline, is used for the transmission telescopic shaft (52) before being flexibly connected power transmission shaft。
Beneficial effects of the present invention, due to the renewal of design, decreases gearing friction power, thus reducing oil consumption, improving its work efficiency, more meeting energy-saving and emission-reduction。
Accompanying drawing illustrates that the present invention is further described below in conjunction with drawings and Examples:
Fig. 1 is that left view of the present invention cuts open figure。
Fig. 2 is that mansion of the present invention is depending on cuing open figure。
Fig. 3 is change speed gear box 3-D view of the present invention。
Fig. 4 is transmission case 3-D view of the present invention。
Fig. 5 is biography case 3-D view in the present invention。
Fig. 6 is biography case rearview after the present invention。
Fig. 7 is transmitted through axle gear lateral plan in the present invention。
Fig. 8 is transmitted through axle gear sectional view in the present invention。
Fig. 9 is that the present invention is by dynamic bevel gear sectional view。
Figure 10 is high to low gear shift fork top view of the present invention。
Figure 11 is the high to low gear shift fork left side of the present invention view。
Figure 12 is high to low gear shift fork front view of the present invention。
Figure 13 is that the gear shift cover assembly right side of the present invention is depending on cuing open figure。
Figure 14 is gear shift cover assembly top view of the present invention。
Figure 15 is that the present invention dials pin right view。
Figure 16 is that the present invention deflects fork left view。
Figure 17 is block selecting of the present invention fork 3-D view。
In figure 1, left seven axles；2, Left Drive gear；3, change speed gear box；4, left six axles；5, left reduction gearing；6, right travelling gear；7, right seven axles；8, right reduction gearing；9, right six axles；10, five axle；11, left steering gear；12, five shaft gear；13, right turn gear；14, left differential gear；15, right differential gear；16, four shaft gear shift fork；17, four axle；18, four shaft gear；19, intermediate drive gear；20, a reverse gear；21, a reverse gear shift fork；22, two or three gear gear；23, three axle；24, two or three gear gear shifter yoke；25, shift fork axle；26, three gear gear；27, reverse gear；28, two axle；29, first gear；30, axle gear it is transmitted through in；31, second gear；32, transmission case；33, disengaging pawl；34, clutch；35, clutch shaft；36, gear is caught；37, crossing gear；38, gear is descended；39, an axle；40, low gear gear；41, high to low gear driving lever；42, high gear gear；43, high to low gear shift fork axle；44, high to low gear shift fork；45, middle biography shift fork；46, middle biography axle；47, middle biography castle wheel；48, middle biography gear；49, middle biography bevel gear；50, by dynamic bevel gear；51, middle biography case；52, transmission telescopic shaft；53, front cross axle；54, power transmission shaft；55, rear cross axle；56, forward flange dish；57, case is passed afterwards；58, rear cabinet 1 gear；59, rear cabinet 2 gear；60, rear cabinet one axle；61, rear cabinet 3 gear；62, rear cabinet reverse gear shaft；63, rear cabinet reverse gear；64, rear cabinet two axle；65, rear cabinet 4 gear；66, rear cabinet 5 gear；67, rear cabinet 6 gear；68, rear stub；69, rear cabinet pin shell；70, rear cabinet back fork axle；71, rear cabinet back fork；72, rear cabinet height shift fork axle；73, rear cabinet height shift fork；74, the low shift fork axle of rear cabinet；75, the low shift fork of rear cabinet；76, pin lid dialled by rear cabinet；77, pin dialled by rear cabinet；78, traction frame；79, gear shift cover assembly；80, pin is dialled；81, high to low gear driving lever arm；82, deflect fork；83, arm is deflected fork；84, block selecting yoke；85, block selecting fork。
Detailed description of the invention transmission case 32 in the drawings, change speed gear box 3, gear shift cover assembly 79, middle biography case 51, power transmission shaft 54, the rear case 57 that passes form a kind of combiner gearbox；When using combiner gearbox, power accessing clutch 34, and controls clutch by disengaging pawl 33, during conjunction, power gets forwarded to clutch shaft 35, catch gear 36, crossing gear 37, descend gear 38, one axle 39, low gear gear 40, high gear gear 42, at this moment by high to low gear driving lever 41, stirs high to low gear shift fork 44, and on high to low gear shift fork axle 43, left and right is slided, and selects low gear gear or high gear gear toward underdrive, under reach two axles 28, first gear 29, second gear 31, three gear gears 26, reverse gear 27, three axles 23, at this moment stir a reverse gear shift fork 21 or stir two or three gear gear shifter yokes 24, on shift fork axle 25 left and right slide, namely stir one reverse gear 20 or 23 keep off gear 22 transmission, under reach intermediate drive gear 19, four axles 17, by four shaft gear shift forks 16, select four shaft gear 18 clutches, from time power do not pass down, close to reaching five axles 10 under power, five shaft gears 12, left differential gear 14, right differential gear 15, left steering gear 11, right turn gear 13, left six axles 4, left reduction gearing 5, right six axles 9, right reduction gearing 8, Left Drive gear 2, left seven axles 1, right travelling gear 6, right seven axles 7, namely obtain the output of front power；It is transmitted through axle gear 30 in simultaneously, middle biography gear 48, by middle biography shift fork 45, control passes castle wheel 47, from time in pass axle 46 do not rotate, pass axle in during conjunction to rotate, namely band disorder of internal organs passes bevel gear 49, by dynamic bevel gear 50, transmission telescopic shaft 52, front cross axle 53, power transmission shaft 54, rear cross axle 55, forward flange dish 56, rear cabinet 1 gear 58, rear cabinet 2 gear 59, rear cabinet one axle 60, rear cabinet 3 gear 61, rear cabinet reverse gear shaft 62, rear cabinet reverse gear 63, rear cabinet two axle 64, rear cabinet 4 gear 65, rear cabinet 5 gear 66, rear cabinet 6 gear 67, rear stub 68 rotates, obtain the output of rear power；By gear shift cover assembly accessory in operation, dial pin 80, high to low gear driving lever arm 81, deflect fork 82, deflect fork arm 83, block selecting yoke 84, block selecting fork 85, convert gear, namely can select that the speed of needs；Separately have the accessory pin shell 69 of rear cabinet, rear cabinet back fork axle 70, rear cabinet back fork 71, rear cabinet height shift fork axle 72, rear cabinet height shift fork 73, rear cabinet low shift fork axle 74, the low shift fork 75 of rear cabinet, pin lid 76 dialled by rear cabinet, pin 77 dialled by rear cabinet, need according to various places difference and be equipped with, operate on it when needing, driving force or front and back after individually can be obtained and obtain driving force simultaneously, traction frame 78, for the fulcrum before and after connecting when being installation。
Claims (9)
1. a combiner gearbox is by transmission case (32), change speed gear box (3), gear shift cover assembly (79), middle biography case (51), power transmission shaft (54), rear cabinet (57) forms, it is characterized in that: transmission case clutch shaft installed above (35), one end of axle is installed and is uploaded gear (36), the other end installs clutch (34), its stage casing dress disengaging pawl (33), clutch separate or merge is controlled with disengaging pawl, gear (37) is passed in installing in the middle of transmission case, gear (38) is passed under transmission case is mounted below, pass gear under it and be connected on an axle (39) left end, equipped with low gear gear (40) on an axle, high gear gear (42), an axle is mounted in the top of change speed gear box, and an axle down installs two axles (28) successively, three axles (23), four axles (17), five axles (10), six axles left (4), six axles right (9), seven axles left (1), seven axles right (7), every axle are all respectively provided with supporting gear, shift gears as required, obtain desirable speed, then by idler gear (19), reach seven axles left, seven axles right and in be transmitted through axle gear (30), middle biography gear (48), middle biography axle (46), middle biography bevel gear (49), by dynamic bevel gear (50), transmission telescopic shaft (52), front cross axle (53), power transmission shaft (54), rear cross axle (55), forward flange dish (56), rear stub (68)。
2. a kind of combiner gearbox according to claim 1, its feature: transmission case is that upper half is circular, and middle circle, lower paddle shape, built-in 3 gears, lower paddle is provided with seven nail, is used for loading onto screw, is held in change speed gear box upper left side。
3. a kind of combiner gearbox according to claim 1, its feature: change speed gear box is provided with hole, seven symmetrical bearing positions, wherein the 6th, seven apertures in the human head be inner small and outside big, six axles, seven axles are divided into the right and left, at five axles, differential gear can be installed, it is therefore an objective to make it turn to lighter。
4. a kind of combiner gearbox according to claim 1, its feature: middle biography case frontal plane and back plane are flat shape, two lateral symmetry holes are set in the centre of first half, latter half of offering passes straight hole after power, it is square with its cross-drilled hole, is arranged over vertical shift fork axis hole, is connected with traction frame, traction frame is provided with upper and lower two symmetrical holes, is positive side space in the middle part of it。
5. a kind of combiner gearbox according to claim 1, its feature: rear cabinet is hole, three symmetrical bearing positions, three shift fork axis holes, rear cabinet periphery approximating square shape, pin lid (76) dialled by bar shell (69) of putting into gear installed above, rear cabinet back fork axle (70), rear cabinet back fork (71), rear cabinet height shift fork axle (72), rear cabinet height shift fork (73), rear cabinet low shift fork axle (74), the low shift fork of rear cabinet (75), rear cabinet, pin (77) dialled by rear cabinet。
6. a kind of combiner gearbox according to claim 1, its feature: below gear shift cover assembly, surrounding is a plane, middle toward fovea superior, outerplanar offers nine screw holes, block selecting frame (85) is arranged on both sides in convex hull leading portion, one leads to outside and connects block selecting arm (84), deflect fork (82) and be arranged on convex hull front upper place, deflect fork groove in lower section, the reeve of pin leading portion will be dialled and deflect fork in groove, high to low gear driving lever (41) is arranged on middle back upper place, dial pin (80) be arranged on after top inject inside in block selecting frame groove, drive group pin to carry out block selecting when block selecting frame is up and down, group pin is driven to put into gear when deflecting fork left and right and being movable。
7. a kind of combiner gearbox according to claim 1, its feature: being transmitted through axle gear (30) in design is 3 mould 38 teeth, being 6207 bearing positions in the middle of gear, purpose of design makes this gear not follow two axles rotations and independently rotate, and band disorder of internal organs of can passing a bridge passes gear (48)。
8. a kind of combiner gearbox according to claim 1, its feature: design high to low gear shift fork (43) is two ends shift fork, two forks are separately inserted between low gear gear (40), high gear gear (42) fork pockets, high to low gear shift fork is stirred, i.e. optional high gear or low gear by high to low gear driving lever (41)。
9. one combiner gearbox according to claim 1, its feature: design is circular arc by dynamic bevel gear (50) small end inner face, big end outside back segment is cylindrical internal spline, is used for the transmission telescopic shaft (52) before being flexibly connected power transmission shaft。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405822.9A CN103775570B (en) | 2012-10-23 | 2012-10-23 | A kind of combiner gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405822.9A CN103775570B (en) | 2012-10-23 | 2012-10-23 | A kind of combiner gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103775570A CN103775570A (en) | 2014-05-07 |
| CN103775570B true CN103775570B (en) | 2016-06-22 |
Family
ID=50568170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210405822.9A Expired - Fee Related CN103775570B (en) | 2012-10-23 | 2012-10-23 | A kind of combiner gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103775570B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114176A (en) * | 2018-10-29 | 2019-01-01 | 长兴佰菲特机械有限公司 | A kind of vehicle motor transmission gearbox |
| CN110067835B (en) * | 2019-04-29 | 2024-02-23 | 向青茂 | Gear box with two output shafts capable of reversely rotating |
| CN112032275B (en) * | 2019-06-03 | 2021-07-20 | 哈尔滨工业大学 | Mechanical four-axis differential device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB203623A (en) * | 1923-02-12 | 1923-09-13 | Alden Emerson Osborn | Improvements in transmission mechanism |
| CN201151346Y (en) * | 2008-01-26 | 2008-11-19 | 刘胜 | Single-cylinder horizontal-type directed coupled small four-wheel tractor |
| CN202251787U (en) * | 2011-10-08 | 2012-05-30 | 徐州凯尔机械有限公司 | Speed changing box for tractor |
| CN102734402A (en) * | 2012-06-27 | 2012-10-17 | 中国重汽集团济南动力有限公司 | Novel 16-gear speed changing box with oblique gears, double middle shafts and lock ring type synchronizers |
| CN202851838U (en) * | 2012-10-23 | 2013-04-03 | 韦瑞林 | Combined gearbox |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7954614B2 (en) * | 2007-11-14 | 2011-06-07 | Merlin Technology, Inc. | Drive mechanism and method |
-
2012
- 2012-10-23 CN CN201210405822.9A patent/CN103775570B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB203623A (en) * | 1923-02-12 | 1923-09-13 | Alden Emerson Osborn | Improvements in transmission mechanism |
| CN201151346Y (en) * | 2008-01-26 | 2008-11-19 | 刘胜 | Single-cylinder horizontal-type directed coupled small four-wheel tractor |
| CN202251787U (en) * | 2011-10-08 | 2012-05-30 | 徐州凯尔机械有限公司 | Speed changing box for tractor |
| CN102734402A (en) * | 2012-06-27 | 2012-10-17 | 中国重汽集团济南动力有限公司 | Novel 16-gear speed changing box with oblique gears, double middle shafts and lock ring type synchronizers |
| CN202851838U (en) * | 2012-10-23 | 2013-04-03 | 韦瑞林 | Combined gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103775570A (en) | 2014-05-07 |
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| C14 | Grant of patent or utility model | ||
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Addressee: Wei Ruilin Document name: Notification to Pay the Fees |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20161023 |