CN105340404B - Two-gear reverse gear shifting structure of mini-tiller - Google Patents
Two-gear reverse gear shifting structure of mini-tiller Download PDFInfo
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- CN105340404B CN105340404B CN201510922497.7A CN201510922497A CN105340404B CN 105340404 B CN105340404 B CN 105340404B CN 201510922497 A CN201510922497 A CN 201510922497A CN 105340404 B CN105340404 B CN 105340404B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B71/00—Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes
- A01B71/06—Special adaptations of coupling means between power take-off and transmission shaft to the implement or machine
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
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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
- 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
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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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
- F16H2200/0086—Transmissions for multiple ratios characterised by the number of reverse speeds the gear ratios comprising two reverse speeds
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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
- F16H2306/00—Shifting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a two-gear reverse gear shifting structure of a mini-tiller, which comprises a main shaft and an auxiliary shaft which are arranged in parallel, wherein the main shaft comprises a first main shaft and a second main shaft which are arranged on the same straight line, an input gear is sleeved on the first main shaft, a first main gear is fixedly sleeved on the second main shaft, a main shaft duplicate gear is sleeved on the second main shaft, the auxiliary shaft comprises a first auxiliary shaft and a second auxiliary shaft, the first auxiliary shaft, the second auxiliary shaft and the main shaft are parallel, the auxiliary shaft duplicate gear is movably sleeved on the first auxiliary shaft, a first driven gear is fixedly sleeved on the first auxiliary shaft, a reverse gear is movably sleeved on the second auxiliary shaft, a first shifting fork mechanism is arranged on the input gear, the first shifting fork mechanism controls the input gear to slide to realize the conversion of high and low input speeds, and the reverse gear is switched through the slide of the main shaft duplicate gear and the slide. Structure more than adopting, novel structure provides the reverse gear of two kinds of different speeds and keeps off the position, realizes increasing the fender position of one time, satisfies the actual needs of production.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a two-gear reverse gear shifting structure of a mini-tiller.
Background
The mini-tiller uses a small diesel engine or a gasoline engine as power and has the characteristics of light weight, small volume, simple structure and the like. The micro-tillage machine is widely applicable to dry lands, paddy fields, orchards and the like in plains, mountainous areas and hills. The tractor can pump water, generate electricity, spray pesticide, spray and other operations when matched with corresponding machines, can also pull the trailer to carry out short-distance transportation, can freely run in the field by the mini-tiller, is convenient for users to use and store, saves the trouble that large agricultural machinery can not enter mountain fields, and is the best choice for vast farmers to replace cattle farming.
An engine and a gearbox of a traditional mini-tiller are directly connected through a flange plate, power is directly transmitted into the gearbox through a main shaft, the gearbox and a walking box are integrated, and the main shaft, an auxiliary shaft, a reverse gear shaft and three shafts are arranged in the gearbox. The quick gear, the slow gear and the reverse gear can be realized by shifting the positions of the duplex straight gears on the main shaft and the reverse gear shaft, the gears are few, so that the forward and reverse speeds of the mini-tiller are relatively single, only one reverse gear is needed, the practical cultivation has great limitation, and the practical production requirement cannot be met. It is urgent to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a two-gear reverse gear shifting structure of a mini-tiller, which is novel in structure and ingenious in design.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a plough quick-witted two fender reverse gear shift structure a little, its main points lie in: the double-gear transmission device comprises a main shaft and an auxiliary shaft, wherein the main shaft comprises a first main shaft (1) and a second main shaft (2) which are arranged on the same straight line, any end of the first main shaft (1) is movably connected with any end of the second main shaft (2), an input gear (5) is sleeved on the first main shaft (1), the input gear (5) can slide along the axial direction of the first main shaft (1), a first main gear (6) is fixedly sleeved at one end, close to the first main shaft (1), of the second main shaft (2), a second main gear (7a) and a third main gear (7b) are sleeved on the second main shaft (2), the second main gear (7a) is positioned between the first main gear (6) and the third main gear (7b), the second main gear (7a) and the third main gear (7b) are fixedly connected to form a main shaft duplicate gear (7), the main shaft duplicate gear (7) can axially slide along the second main shaft (2), a first clutch tooth (10) is arranged on the input gear (5), and a second clutch tooth (11) is arranged on the first main gear (6); the auxiliary shafts comprise a first auxiliary shaft (3) and a second auxiliary shaft (4), the first auxiliary shaft (3), the second auxiliary shaft (4) and the main shaft are parallel to each other, a first auxiliary gear (8a) and a second auxiliary gear (8b) are movably sleeved on the first auxiliary shaft (3), the first auxiliary gear (8a) and the second auxiliary gear (8b) are fixedly connected to form an auxiliary shaft duplicate gear (8), a first driven gear (9) is fixedly sleeved on the first auxiliary shaft (3), a first bevel gear (12) is arranged at any end of the first auxiliary shaft (3), and a reverse gear (16) is movably sleeved on the second auxiliary shaft (4); the second counter gear (8b) meshes with the first main gear (6), the input gear (5) meshes with the first counter gear (8a) or the first clutch tooth (10) meshes with the second clutch tooth (11) when sliding axially along the first main shaft (1), the reverse gear (16) slides axially along the second counter shaft (4) when the main shaft duplicate gear (7) is positioned between the counter shaft duplicate gear (8) and the first driven gear (9) when sliding axially along the second main shaft (2), the reverse gear (16) meshes with the third main gear (7b) and the first driven gear (9) simultaneously; be equipped with first shift fork mechanism (18) on input gear (5), this first shift fork mechanism (18) include first shift fork installation axle (18b), install first shift fork piece (18a) at the arbitrary end of this first shift fork installation axle (18b) be equipped with first shift fork groove on input gear (5), this first shift fork piece (18a) stretches into this first shift fork groove, promotes input gear (5) slide along first main shaft (1) the other end of first shift fork installation axle (18b) is connected with first rocking arm installation axle (18c), and this first rocking arm installation axle (18c) is connected with first rocking arm (18 d).
Structure more than adopting, novel structure, design benefit, through the slip of first fork mechanism (18) control input gear (5), realize first main shaft (1) to the different speed transmission of high-low speed of second main shaft (2), slip with third fork mechanism (2) control reverse gear (16) through the slip of second fork mechanism (19) control main shaft duplicate gear (7), accomplish the output of reversing, the reverse gear who provides two kinds of different output speed altogether keeps off the position, thereby realize increasing the reverse gear position of one time, be applicable to various farming production conditions and environment, satisfy the actual needs of production.
Preferably, the method comprises the following steps: an inner cavity (13) is formed in one end, close to the second main shaft (2), of the first main shaft (1), one end, close to the first main shaft (1), of the second main shaft (2) extends into the inner cavity (13), and the extending end of the second main shaft (2) is connected with the cavity wall of the inner cavity (13) through a first needle bearing (14). By adopting the structure, the contact surface is changed from rolling friction into sliding friction, and the abrasion speed of parts is effectively reduced.
Preferably, the method comprises the following steps: the countershaft double gear (8) and the first countershaft (3) are connected by a second needle bearing (14). By adopting the structure, the contact surface is changed from rolling friction into sliding friction, and the abrasion speed of parts is effectively reduced.
Preferably, the method comprises the following steps: the input gear (5) and the first main shaft (1) are connected through a spline. By adopting the structure, the structure is simple and reliable, and the input gear (5) can axially slide along the first main shaft (1).
Preferably, the method comprises the following steps: a reverse gear mounting seat (17) is fixedly sleeved on the second auxiliary shaft (4), and the reverse gear (16) is movably sleeved on the reverse gear mounting seat (17). By adopting the structure, the reverse gear (16) is not directly acted when sliding, the stability of the structure is improved, and the service life is prolonged.
Has the advantages that: the mini-tiller two-gear reverse gear shifting structure adopting the technical scheme is novel in structure, two reverse gears with different speeds are provided, so that the doubled gears are increased, the mini-tiller two-gear reverse gear shifting structure is suitable for various farming production conditions and environments, and the actual production needs are met.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of fig. 1.
Detailed Description
The invention is further illustrated by the following examples and figures.
As shown in fig. 1-2, a two-gear reverse gear shifting structure of a mini-tiller comprises a main shaft and a secondary shaft, wherein the main shaft comprises a first main shaft 1 and a second main shaft 2 which are arranged on the same straight line, any end of the first main shaft 1 is movably connected with any end of the second main shaft 2, namely, an inner cavity 13 is arranged at one end of the first main shaft 1 close to the second main shaft 2, one end of the second main shaft 2 close to the first main shaft 1 extends into the inner cavity 13, the extending end of the second main shaft 2 is connected with the cavity wall of the inner cavity 13 through a first needle bearing 14, an input gear 5 is sleeved on the first main shaft 1, the input gear 5 is connected with the first main shaft 1 through a spline, so that the input gear 5 can slide along the axial direction of the first main shaft 1, a first main gear 6 is fixedly sleeved at one end of the second main shaft 2 close to the first main shaft 1, a second main gear 7a and a third main gear 7b are sleeved on the second main shaft 2, wherein the second main gear 7a is positioned between the first main gear 6 and the third main gear 7b, the second main gear 7a and the third main gear 7b are fixedly connected to form a main shaft duplicate gear 7, the main shaft duplicate gear 7 can axially slide along the second main shaft 2, a first clutch tooth 10 is arranged on the input gear 5, and a second clutch tooth 11 is arranged on the first main gear 6; the auxiliary shafts comprise a first auxiliary shaft 3 and a second auxiliary shaft 4, the first auxiliary shaft 3, the second auxiliary shaft 4 and the main shaft are parallel to each other, a first auxiliary gear 8a and a second auxiliary gear 8b are movably sleeved on the first auxiliary shaft 3, the first auxiliary gear 8a and the second auxiliary gear 8b are fixedly connected to form an auxiliary shaft duplicate gear 8, namely the auxiliary shaft duplicate gear 8 and the first auxiliary shaft 3 are connected through a second needle bearing 14, a first driven gear 9 is fixedly sleeved on the first auxiliary shaft 3, a first bevel gear 12 is arranged at either end of the first auxiliary shaft 3, a reverse gear 16 is movably sleeved on the second auxiliary shaft 4, namely a reverse gear mounting seat 17 is fixedly sleeved on the second auxiliary shaft 4, and the reverse gear 16 is movably sleeved on the reverse gear mounting seat 17; the second counter gear 8b is engaged with the first main gear 6, when the input gear 5 slides axially along the first main shaft 1, the input gear 5 is engaged with the first counter gear 8a, or the first clutch tooth 10 is engaged with the second clutch tooth 11, when the main shaft duplicate gear 7 slides axially along the second main shaft 2, when the main shaft duplicate gear 7 is located between the counter shaft duplicate gear 8 and the first driven gear 9, the reverse gear 16 slides axially along the second sub-shaft 4, and the reverse gear 16 is simultaneously engaged with the third main gear 7b and the first driven gear 9.
As shown in fig. 1, a first fork mechanism 18 is disposed on the input gear 5, the first fork mechanism 18 includes a first fork mounting shaft 18b, a first fork piece 18a is mounted at any end of the first fork mounting shaft 18b, a first fork groove is disposed on the input gear 5, the first fork piece 18a extends into the first fork groove to push the input gear 5 to slide along the first spindle 1, a first rocker arm mounting shaft 18c is connected to the other end of the first fork mounting shaft 18b, and a first rocker arm 18d is connected to the first rocker arm mounting shaft 18 c.
As shown in fig. 1, a second fork mechanism 19 is disposed on the main shaft duplicate gear 7, the second fork mechanism 19 includes a second fork mounting shaft 19b, a second fork piece 19a is mounted at any end of the second fork mounting shaft 19b, the second fork piece 19a extends between the second main gear 7a and the third main gear 7b to push the main shaft duplicate gear 7 to slide along the second main shaft 2, a reset rocker mounting shaft 19c is connected to the second fork mounting shaft 19b, and a reset torsion spring rocker 19d is connected to the reset rocker mounting shaft 19 c.
As shown in fig. 1, a third shift fork mechanism 20 is disposed on the reverse gear 16, the third shift fork mechanism 20 includes a third shift fork mounting shaft 20b, a third shift fork 20a is mounted at any end of the third shift fork mounting shaft 20b, a reverse gear return compression spring is sleeved on the second auxiliary shaft 4, the reverse gear return compression spring and the third shift fork 20a are respectively located at two sides of the reverse gear 16, the third shift fork 20a pushes the reverse gear 16 to slide toward the reverse gear return compression spring, the reverse gear return compression spring reversely pushes the reverse gear 16 to return, the other end of the third shift fork mounting shaft 20b is connected with a reverse gear mounting shaft 20c, and the reverse gear mounting shaft 20c is connected with a reverse gear rocker arm 20 d.
When the low-speed reverse gear is performed, the first shifting fork mechanism 18 controls the input gear 5 to axially slide, so that the input gear 5 is meshed with the first auxiliary gear 8a, the first main shaft 1 drives the input gear 5 to rotate, the input gear 5 drives the auxiliary shaft duplicate gear 8 to rotate, the auxiliary shaft duplicate gear 8 drives the first main gear 6 to rotate, the first main gear 6 drives the second main shaft 2 to rotate, the second main shaft 2 drives the main shaft duplicate gear 7 to rotate, the second shifting fork mechanism 19 drives the main shaft duplicate gear 7 to axially slide, so that the main shaft duplicate gear 7 is positioned between the auxiliary shaft duplicate gear 8 and the first driven gear 9, then the third shifting fork mechanism 20 controls the reverse gear mounting seat 17 to slide along the second auxiliary shaft 4, so that the reverse gear 16 movably sleeved on the reverse gear mounting seat 17 is simultaneously meshed with the third main gear 7b and the first driven gear 9, and at the moment, the third main gear 7b drives the reverse gear 16 to rotate, the reverse gear 16 drives the first driven gear 9 to rotate, the first driven gear 9 drives the first countershaft 3 to rotate, and the first countershaft 3 drives the first bevel gear 12 to rotate.
When high-speed reverse gear is carried out, the first shifting fork mechanism 18 controls the input gear 5 to axially slide, so that the input gear 5 is separated from the first auxiliary gear 8a, the first clutch tooth 10 is meshed with the second clutch tooth 11, the first main shaft 1 drives the second main shaft 2 to rotate, the first main gear 6 drives the auxiliary shaft duplicate gear 8 to idle, the second main shaft 2 drives the main shaft duplicate gear 7 to rotate, the second shifting fork mechanism 19 drives the main shaft duplicate gear 7 to axially slide, so that the main shaft duplicate gear 7 is positioned between the auxiliary shaft duplicate gear 8 and the first driven gear 9, then the third shifting fork mechanism 20 controls the reverse gear mounting seat 17 to slide along the second auxiliary shaft 4, so that the reverse gear 16 movably sleeved on the reverse gear mounting seat 17 is simultaneously meshed with the third main gear 7b and the first driven gear 9, at the moment, the third main gear 7b drives the reverse gear 16 to rotate, the reverse gear 16 drives the first driven gear 9 to rotate, the first driven gear 9 drives the first countershaft 3 to rotate, and the first countershaft 3 drives the first bevel gear 12 to rotate.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a plough quick-witted two fender reverse gear shift structure a little, its characterized in that: the double-gear transmission device comprises a main shaft and an auxiliary shaft, wherein the main shaft comprises a first main shaft (1) and a second main shaft (2) which are arranged on the same straight line, any end of the first main shaft (1) is movably connected with any end of the second main shaft (2), an input gear (5) is sleeved on the first main shaft (1), the input gear (5) can slide along the axial direction of the first main shaft (1), a first main gear (6) is fixedly sleeved at one end, close to the first main shaft (1), of the second main shaft (2), a second main gear (7a) and a third main gear (7b) are sleeved on the second main shaft (2), the second main gear (7a) is positioned between the first main gear (6) and the third main gear (7b), the second main gear (7a) and the third main gear (7b) are fixedly connected to form a main shaft duplicate gear (7), the main shaft duplicate gear (7) can axially slide along the second main shaft (2), a first clutch tooth (10) is arranged on the input gear (5), and a second clutch tooth (11) is arranged on the first main gear (6);
the auxiliary shafts comprise a first auxiliary shaft (3) and a second auxiliary shaft (4), the first auxiliary shaft (3), the second auxiliary shaft (4) and the main shaft are parallel to each other, a first auxiliary gear (8a) and a second auxiliary gear (8b) are movably sleeved on the first auxiliary shaft (3), the first auxiliary gear (8a) and the second auxiliary gear (8b) are fixedly connected to form an auxiliary shaft duplicate gear (8), a first driven gear (9) is fixedly sleeved on the first auxiliary shaft (3), a first bevel gear (12) is arranged at any end of the first auxiliary shaft (3), and a reverse gear (16) is movably sleeved on the second auxiliary shaft (4);
the second counter gear (8b) meshes with the first main gear (6), the input gear (5) meshes with the first counter gear (8a) or the first clutch tooth (10) meshes with the second clutch tooth (11) when sliding axially along the first main shaft (1), the reverse gear (16) slides axially along the second counter shaft (4) when the main shaft duplicate gear (7) is positioned between the counter shaft duplicate gear (8) and the first driven gear (9) when sliding axially along the second main shaft (2), the reverse gear (16) meshes with the third main gear (7b) and the first driven gear (9) simultaneously;
a first shifting fork mechanism (18) is arranged on the input gear (5), the first shifting fork mechanism (18) comprises a first shifting fork mounting shaft (18b), a first shifting fork sheet (18a) is mounted at any end of the first shifting fork mounting shaft (18b), a first shifting fork groove is formed in the input gear (5), the first shifting fork sheet (18a) extends into the first shifting fork groove to push the input gear (5) to slide along the first spindle (1), a first rocker arm mounting shaft (18c) is connected to the other end of the first shifting fork mounting shaft (18b), and a first rocker arm (18d) is connected to the first rocker arm mounting shaft (18 c);
a second shifting fork mechanism (19) is arranged on the main shaft duplicate gear (7), the second shifting fork mechanism (19) comprises a second shifting fork mounting shaft (19b), a second shifting fork piece (19a) is mounted at any end of the second shifting fork mounting shaft (19b), the second shifting fork piece (19a) extends into a position between the second main gear (7a) and the third main gear (7b) to push the main shaft duplicate gear (7) to slide along the second main shaft (2), a reset rocker mounting shaft (19c) is connected to the second shifting fork mounting shaft (19b), and the reset rocker mounting shaft (19c) is connected with a reset torsion spring rocker (19 d);
a reverse gear mounting seat (17) is fixedly sleeved on the second auxiliary shaft (4), the reverse gear (16) is movably sleeved on the reverse gear mounting seat (17), and a third shifting fork mechanism (20) is arranged on the reverse gear (16).
2. The micro-cultivator two-gear reverse gear shifting structure as claimed in claim 1, characterized in that: an inner cavity (13) is formed in one end, close to the second main shaft (2), of the first main shaft (1), one end, close to the first main shaft (1), of the second main shaft (2) extends into the inner cavity (13), and the extending end of the second main shaft (2) is connected with the cavity wall of the inner cavity (13) through a first needle bearing (14).
3. The micro-cultivator two-gear reverse gear shifting structure as claimed in claim 1 or 2, characterized in that: the countershaft double gear (8) and the first countershaft (3) are connected by a second needle bearing (14).
4. The micro-cultivator two-gear reverse gear shifting structure as claimed in claim 3, characterized in that: the input gear (5) and the first main shaft (1) are connected through a spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922497.7A CN105340404B (en) | 2015-12-12 | 2015-12-12 | Two-gear reverse gear shifting structure of mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510922497.7A CN105340404B (en) | 2015-12-12 | 2015-12-12 | Two-gear reverse gear shifting structure of mini-tiller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105340404A CN105340404A (en) | 2016-02-24 |
| CN105340404B true CN105340404B (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510922497.7A Active CN105340404B (en) | 2015-12-12 | 2015-12-12 | Two-gear reverse gear shifting structure of mini-tiller |
Country Status (1)
| Country | Link |
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| CN (1) | CN105340404B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488732A (en) * | 2018-12-28 | 2019-03-19 | 重庆鑫源农机股份有限公司 | Transmission device, method of power transmission and the mini-tiller of dual rotary direction gearbox |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5511436A (en) * | 1992-12-18 | 1996-04-30 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Vehicle transmission assembly |
| CN200966224Y (en) * | 2006-08-15 | 2007-10-31 | 秦正清 | Travelling gearing of micro-farming machine |
| CN102606704A (en) * | 2012-03-31 | 2012-07-25 | 福建农林大学 | Gearbox of farm management machine |
| CN102763502A (en) * | 2012-07-13 | 2012-11-07 | 江伟 | Mini-cultivator speed-change mechanism |
| CN202612498U (en) * | 2012-06-08 | 2012-12-19 | 刘旭东 | Transmission for field management machine |
| CN205357022U (en) * | 2015-12-12 | 2016-07-06 | 威马农业机械有限公司 | Two keep off structure of shifting of reversing gear |
-
2015
- 2015-12-12 CN CN201510922497.7A patent/CN105340404B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5511436A (en) * | 1992-12-18 | 1996-04-30 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Vehicle transmission assembly |
| CN200966224Y (en) * | 2006-08-15 | 2007-10-31 | 秦正清 | Travelling gearing of micro-farming machine |
| CN102606704A (en) * | 2012-03-31 | 2012-07-25 | 福建农林大学 | Gearbox of farm management machine |
| CN202612498U (en) * | 2012-06-08 | 2012-12-19 | 刘旭东 | Transmission for field management machine |
| CN102763502A (en) * | 2012-07-13 | 2012-11-07 | 江伟 | Mini-cultivator speed-change mechanism |
| CN205357022U (en) * | 2015-12-12 | 2016-07-06 | 威马农业机械有限公司 | Two keep off structure of shifting of reversing gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105340404A (en) | 2016-02-24 |
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Address after: 402283 Chongqing city Jiangjin Luohuang Industrial Park B District Patentee after: WEIMA AGRICULTURAL MACHINERY Co.,Ltd. Address before: 402283 Chongqing city Jiangjin Luohuang Industrial Park B District Patentee before: WEIMA AGRICULTURAL MACHINERY Co.,Ltd. |
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