CN203309030U - 20+16 gear position tractor speed changer - Google Patents
20+16 gear position tractor speed changer Download PDFInfo
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- CN203309030U CN203309030U CN2013202986266U CN201320298626U CN203309030U CN 203309030 U CN203309030 U CN 203309030U CN 2013202986266 U CN2013202986266 U CN 2013202986266U CN 201320298626 U CN201320298626 U CN 201320298626U CN 203309030 U CN203309030 U CN 203309030U
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Abstract
The utility model relates to a 20+16 gear position tractor speed changer which comprises a box body. A main speed change mechanism, an auxiliary speed change mechanism and a gear shifting adjusting mechanism are arranged in the box body, wherein the main speed change mechanism can output five gear positions, and the auxiliary speed change mechanism can output four gear positions. The main speed change mechanism comprises an input shaft, an output shaft, four sets of driving gears, four sets of driven gears, a third synchronizer and a fourth synchronizer. A second synchronizer is arranged at the joint of the input shaft and the output shaft, wherein the input shaft and the output shaft can be directly connected in a hanging mode through the second synchronizer. The gear shifting adjusting mechanism comprises a forward gear driving gear, a forward gear driven gear, a backward gear driving gear, a backward gear driven gear and a first synchronizer. The auxiliary speed change mechanism comprises four sets of auxiliary driving gears, four sets of auxiliary driven gears, a small bevel gear shaft and an auxiliary speed change gear shaft. The 20+16 gear position tractor speed changer has the advantages that twenty forward gear positions and sixteen backward gear positions can be output through transformational connection and matching, the adjustable gear positions are added, the structure is simple, working efficiency of a tractor is improved, and the application of the tractor for various special localities and special operation is widened.
Description
Technical field
The utility model relates to tractor, relates in particular to a kind of 20+16 gear tractor speed changer.
Background technique
Tractor is regulated by the gear of speed changer, realizes various operations in conjunction with being equipped with different agricultural machinery and implement, is a kind of technology commonly used.Speed change and the break-in function of the tractor of various types in order to realize itself, in speed changer, be provided with the speed change of many gears and the combination of change gear, thereby realize speed change and the break-in function of tractor, so just cause that the speed changer internal gear is too much, gear is complicated, and the gear provided can not meet the demand of various distinguishingly conditions and special operation fully, limit the use of tractor, caused its operating efficiency reduction, condition bad adaptability.
The model utility content
The utility model, for the deficiency that prior art exists, provides a kind of 20+16 gear tractor speed changer.It adopts the secondary gear of 4 gears of main speed-changing mechanism and output that can export 5 gears to be connected cooperation with the gearshift regulating mechanism, can make advance gear and 16 of 20 of tractor speed changer outputs retreat gear, increased the capable of regulating gear of tractor and simple in structure, improve the working efficiency of tractor, widened the demand of tractor in various distinguishingly conditions and special operation.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of 20+16 gear tractor speed changer, comprise casing, in casing, be provided with the main speed-changing mechanism that can export 5 gears, the secondary gear that can export 4 gears and gearshift regulating mechanism, described main speed-changing mechanism comprises input shaft, output shaft, is provided with at described input shaft and described output shaft junction the second synchronizer that described input shaft and described output shaft are directly articulated.
The beneficial effects of the utility model are: different gears of conversion as required, adopt the synchronizer gearshift to have the gearshift time short, the more smooth-going characteristics of shifting gears.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described main speed-changing mechanism is provided with four gear driven gears, three gear driven gears, two gear driven gears and a gear driven gear successively on described output shaft, described main speed-changing mechanism also comprises jack shaft, on described jack shaft, be provided with successively with four gear driving gears of described four gear driven gears engagements, with three gear driving gears of described three gear driven gears engagements, with two gear driving gears of described two gear driven gears engagements, with a gear driving gear of a described gear driven gear engagement, on described jack shaft, also be provided with the 3rd synchronizer and the 4th synchronizer.
Further, described gearshift regulating mechanism comprises described input shaft, described jack shaft, idle pulley and the first synchronizer, on described input shaft, be provided with successively the forward gear driving gear and retreat the gear driving gear, described jack shaft be provided with the forward gear driven gear that is meshed with described forward gear driving gear, and with described retreat keep off that driving gear is meshed retreat the gear driven gear, the described gear driving gear that retreats is meshed with being located at middle described idle pulley respectively with the described gear driven gear that retreats, and described jack shaft is provided with described the first synchronizer.
Further, described secondary gear comprises small conical gear axle and secondary change gear shaft, on described small conical gear axle, be provided with successively secondary two gear driven gears, a secondary gear driven gear, secondary four gear driven gears and secondary three gear driven gears, on described secondary change gear shaft, be provided with successively the pair two gear driving gears that are meshed with described secondary two gear driven gears, pair two gear driving gears with a described secondary gear driven gear engagement, with the pair four of described secondary four gear driven gear engagements, keep off driving gears and keep off driving gears with the pair three of described secondary three gear driven gear engagements, on described small conical gear axle, also be provided with the first engaging sleeve, on secondary change gear shaft, also be provided with the second engaging sleeve.
Adopt the beneficial effect of above-mentioned further scheme to be, the main speed-changing mechanism that employing can be exported 5 gears is connected cooperation with the secondary gear that can export 4 gears with the gearshift regulating mechanism, can make the tractor speed changer export 20 advance gear and 16 and retreat gear.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In Fig. 1: 1, input shaft; 2, jack shaft; 3, forward gear driving gear; 4, forward gear driven gear; 5, the first synchronizer; 6, retreat the gear driven gear; 7, idle pulley; 8, retreat the gear driving gear; 9, the second synchronizer; 10, output shaft; 11, four gear driven gears; 12, four gear driving gears; 13, the 3rd synchronizer; 14, three gear driving gears; 15, three gear driven gears; 16, two gear driven gears; 17, two gear driving gears; 18, the 4th synchronizer; 19, a gear driving gear; 20, a gear driven gear; 21, secondary two gear driving gears; 22, secondary two gear driven gears; 23, the first engaging sleeve; 24, a secondary gear driven gear; 25, a secondary gear driving gear; 26, secondary four gear driving gears; 27, secondary four gear driven gears; 28, the second engaging sleeve; 29, secondary three gear driving gears; 30, secondary three gear driven gears; 31, secondary change gear shaft; 32, small conical gear axle.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only be used to explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of 20+16 gear tractor speed changer, comprise casing, in casing, be provided with the main speed-changing mechanism that can export 5 gears, the secondary gear that can export 4 gears and gearshift regulating mechanism, it is characterized in that, described main speed-changing mechanism comprises input shaft 1, output shaft 10, in described input shaft 1 and described output shaft 10 junctions, is provided with the second synchronizer 9 that described input shaft 1 and described output shaft 10 are directly articulated.
Described main speed-changing mechanism is provided with four gear driven gears 11 successively on described output shaft 10, three gear driven gears 15, two gear driven gears 16 and a gear driven gear 20, described main speed-changing mechanism also comprises jack shaft 2, on described jack shaft 2, be provided with successively four gear driving gears 12 with described four gear driven gear 11 engagements, three gear driving gears 14 with described three gear driven gear 15 engagements, two gear driving gears 17 with described two gear driven gear 16 engagements, a gear driving gear 19 with described gear driven gear 20 engagements, on described jack shaft 2, also be provided with the 3rd synchronizer 13 and the 4th synchronizer 18 under described gearshift regulating mechanism is controlled.
Described gearshift regulating mechanism comprises described input shaft 1, described jack shaft 2, idle pulley 7 and the first synchronizer 5, on described input shaft 1, be provided with successively forward gear driving gear 3 and retreat gear driving gear 8, described jack shaft 2 is provided with the forward gear driven gear 4 that is meshed with described forward gear driving gear 3, and retreats retreating that gear driving gear 8 is meshed and keep off driven gear 6 with described, the described gear driving gear 8 that retreats is meshed with being located at middle described idle pulley 7 respectively with the described gear driven gear 6 that retreats, and described jack shaft 2 is provided with described the first synchronizer 5.
Described secondary gear comprises small conical gear axle 32 and secondary change gear shaft 31, on described small conical gear axle 32, be provided with successively secondary two gear driven gears 22, a secondary gear driven gear 24, secondary four gear driven gears 27 and secondary three gear driven gears 30, on described secondary change gear shaft 31, be provided with successively the pair two gear driving gears 21 that are meshed with described secondary two gear driven gears 22, pair one gear driving gear 25 with described secondary gear driven gear 24 engagements, with the pair four of described secondary four gear driven gear 27 engagements, keep off driving gears 26 and keep off driving gears 29 with the pair three of described secondary three gear driven gear 30 engagements, on described small conical gear axle 32, also be provided with the first engaging sleeve 23 under described gearshift regulating mechanism is controlled, the first engaging sleeve 23 can select to articulate secondary two gear or secondary gears, on described secondary change gear shaft 31, also be provided with the second engaging sleeve 28 under described gearshift regulating mechanism is controlled.The second engaging sleeve 28 can select to articulate secondary four gear or secondary three gears.
Working principle of the present utility model is as follows:
1 gear advances: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described gear driving gear 19 → described gear driven gear 20 → described secondary gear driving gear 25 → described secondary gear driven gear 24 → described small conical gear axle 32.
2 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described two gear driving gears 17 → described two gear driven gears 16 → described secondary gear driving gear 25 → described secondary gear driven gear 24 → described small conical gear axle 32.
3 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described three gear driving gears 14 → described three gear driven gears 15 → described secondary gear driving gear 25 → described secondary gear driven gear 24 → described small conical gear axle 32.
4 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described four gear driving gears 12 → described four gear driven gears 11 → described secondary gear driving gear 25 → described secondary gear driven gear 24 → described small conical gear axle 32.
5 gears advance: described input shaft 1 → described output shaft 10 → described secondary gear driving gear 25 → described secondary gear driven gear 24 → described small conical gear axle 32.
6 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described gear driving gear 19 → described gear driven gear 20 → described secondary two gear driving gears 21 → described secondary two gear driven gear 22 → described small conical gear axles 32.
7 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described two gear driving gears 17 → described two gear driven gears 16 → described secondary two gear driving gears 21 → described secondary two gear driven gear 22 → described small conical gear axles 32.
8 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described three gear driving gears 14 → described three gear driven gears 15 → described secondary two gear driving gears 21 → described secondary two gear driven gear 22 → described small conical gear axles 32.
9 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described four gear driving gears 12 → described four gear driven gears 11 → described secondary two gear driving gears 21 → described secondary two gear driven gear 22 → described small conical gear axles 32.
10 gears advance: described input shaft 1 → described output shaft 10 → described secondary two gear driving gears 21 → described secondary two gear driven gear 22 → described small conical gear axles 32.
11 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described gear driving gear 19 → described gear driven gear 20 → described secondary three gear driving gears 29 → described secondary three gear driven gear 30 → described small conical gear axles 32.
12 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described two gear driving gears 17 → described two gear driven gears 16 → described secondary three gear driving gears 29 → described secondary three gear driven gear 30 → described small conical gear axles 32.
13 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described three gear driving gears 14 → described three gear driven gears 15 → described secondary three gear driving gears 29 → described secondary three gear driven gear 30 → described small conical gear axles 32.
14 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described four gear driving gears 12 → described four gear driven gears 11 → described secondary three gear driving gears 29 → described secondary three gear driven gear 30 → described small conical gear axles 32.
15 gears advance: described input shaft 1 → described output shaft 10 → described secondary three gear driving gears 29 → described secondary three gear driven gear 30 → described small conical gear axles 32.
16 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described gear driving gear 19 → described gear driven gear 20 → described secondary four gear driving gears 26 → described secondary four gear driven gear 27 → described small conical gear axles 32.
17 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described two gear driving gears 17 → described two gear driven gears 16 → described secondary four gear driving gears 26 → described secondary four gear driven gear 27 → described small conical gear axles 32.
18 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described three gear driving gears 14 → described three gear driven gears 15 → described secondary four gear driving gears 26 → described secondary four gear driven gear 27 → described small conical gear axles 32.
19 gears advance: described input shaft 1 → described forward gear driving gear 3 → described forward gear driven gear 4 → described four gear driving gears 12 → described four gear driven gears 11 → described secondary four gear driving gears 26 → described secondary four gear driven gear 27 → described small conical gear axles 32.
20 gears advance: described input shaft 1 → described output shaft 10 → described secondary four gear driving gears 26 → described secondary four gear driven gear 27 → described small conical gear axles 32.
1 gear falls back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described gear driving gear 19 → described gear driven gear 20 → described secondary gear driving gear 25 → described secondary gear driven gear 24 → described small conical gear axle 32 that retreats that retreats.
2 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described two gear driving gears 17 → described two gear driven gears 16 → described secondary gear driving gear 25 → described secondary gear driven gear 24 → described small conical gear axle 32 that retreats that retreats.
3 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described three gear driving gears 14 → described three gear driven gears 15 → described secondary gear driving gear 25 → described secondary gear driven gear 24 → described small conical gear axle 32 that retreats that retreats.
4 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described four gear driving gears 12 → described four gear driven gears 11 → described secondary gear driving gear 25 → described secondary gear driven gear 24 → described small conical gear axle 32 that retreats that retreats.
5 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described gear driving gear 19 → described gear driven gear 20 → described secondary two gear driving gears 21 → described secondary two gear driven gear 22 → described small conical gear axles 32 that retreat that retreat.
6 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described two gear driving gears 17 → described two gear driven gears 16 → described secondary two gear driving gears 21 → described secondary two gear driven gear 22 → described small conical gear axles 32 that retreat that retreat.
7 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described three gear driving gears 14 → described three gear driven gears 15 → described secondary two gear driving gears 21 → described secondary two gear driven gear 22 → described small conical gear axles 32 that retreat that retreat.
8 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described four gear driving gears 12 → described four gear driven gears 11 → described secondary two gear driving gears 21 → described secondary two gear driven gear 22 → described small conical gear axles 32 that retreat that retreat.
9 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described gear driving gear 19 → described gear driven gear 20 → described secondary three gear driving gears 29 → described secondary three gear driven gear 30 → described small conical gear axles 32 that retreat that retreat.
10 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described two gear driving gears 17 → described two gear driven gears 16 → described secondary three gear driving gears 29 → described secondary three gear driven gear 30 → described small conical gear axles 32 that retreat that retreat.
11 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described three gear driving gears 14 → described three gear driven gears 15 → described secondary three gear driving gears 29 → described secondary three gear driven gear 30 → described small conical gear axles 32 that retreat that retreat.
12 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described four gear driving gears 12 → described four gear driven gears 11 → described secondary three gear driving gears 29 → described secondary three gear driven gear 30 → described small conical gear axles 32 that retreat that retreat.
13 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described gear driving gear 19 → described gear driven gear 20 → described secondary four gear driving gears 26 → described secondary four gear driven gear 27 → described small conical gear axles 32 that retreat that retreat.
14 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described two gear driving gears 17 → described two gear driven gears 16 → described secondary four gear driving gears 26 → described secondary four gear driven gear 27 → described small conical gear axles 32 that retreat that retreat.
15 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described three gear driving gears 14 → described three gear driven gears 15 → described secondary four gear driving gears 26 → described secondary four gear driven gear 27 → described small conical gear axles 32 that retreat that retreat.
16 gears fall back: described input shaft 1 → described gear driving gear 8 → described gear driven gear 6 → described four gear driving gears 12 → described four gear driven gears 11 → described secondary four gear driving gears 26 → described secondary four gear driven gear 27 → described small conical gear axles 32 that retreat that retreat.
Described 20+16 gear tractor speed changer has realized that by less Gear combination advance gear and 16 of 20, tractor retreat gear, can meet the various ground condition of tractor and the demand of operation.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. 20+16 gear tractor speed changer, comprise casing, in casing, be provided with the main speed-changing mechanism that can export 5 gears, the secondary gear that can export 4 gears and gearshift regulating mechanism, it is characterized in that, described main speed-changing mechanism comprises input shaft (1), output shaft (10), in described input shaft (1) and described output shaft (10) junction, is provided with the second synchronizer (9) that described input shaft (1) and described output shaft (10) are directly articulated.
2. 20+16 gear tractor speed changer according to claim 1, it is characterized in that, described main speed-changing mechanism is provided with four gear driven gears (11) successively on described output shaft (10), three gear driven gears (15), two gear driven gears (16) and a gear driven gear (20), described main speed-changing mechanism also comprises jack shaft (2), on described jack shaft (2), be provided with successively four gear driving gears (12) with described four gear driven gear (11) engagements, three gear driving gears (14) with described three gear driven gear (15) engagements, two gear driving gears (17) with described two gear driven gear (16) engagements, a gear driving gear (19) with described gear driven gear (a 20) engagement, on described jack shaft (2), also be provided with the 3rd synchronizer (13) and the 4th synchronizer (18).
3. 20+16 gear tractor speed changer according to claim 2, it is characterized in that, described gearshift regulating mechanism comprises described input shaft (1), described jack shaft (2), idle pulley (7) and the first synchronizer (5), on described input shaft (1), be provided with successively forward gear driving gear (3) and retreat gear driving gear (8), described jack shaft (2) is provided with the forward gear driven gear (4) be meshed with described forward gear driving gear (3), and retreat retreating that gear driving gear (8) is meshed and keep off driven gear (6) with described, the described gear driving gear (8) that retreats is meshed with the described idle pulley (7) that is located at centre respectively with the described gear driven gear (6) that retreats, on described jack shaft (2), also be provided with described the first synchronizer (5).
4. 20+16 gear tractor speed changer according to claim 1, it is characterized in that, described secondary gear comprises small conical gear axle (32) and secondary change gear shaft (31), on described small conical gear axle (32), be provided with successively secondary two gear driven gears (22), a secondary gear driven gear (24), secondary four gear driven gears (27) and secondary three gear driven gears (30), on described secondary change gear shaft (31), be provided with successively the pair two gear driving gears (21) that are meshed with described secondary two gear driven gears (22), pair two gear driving gears (25) with described secondary gear driven gear (a 24) engagement, with the pair four of described secondary four gear driven gear (27) engagements, keep off driving gears (26) and keep off driving gears (29) with the pair three of described secondary three gear driven gear (30) engagements, on described small conical gear axle (32), also be provided with the first engaging sleeve (23), on secondary change gear shaft (31), also be provided with the second engaging sleeve (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202986266U CN203309030U (en) | 2013-05-28 | 2013-05-28 | 20+16 gear position tractor speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202986266U CN203309030U (en) | 2013-05-28 | 2013-05-28 | 20+16 gear position tractor speed changer |
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| Publication Number | Publication Date |
|---|---|
| CN203309030U true CN203309030U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202986266U Expired - Lifetime CN203309030U (en) | 2013-05-28 | 2013-05-28 | 20+16 gear position tractor speed changer |
Country Status (1)
| Country | Link |
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| CN (1) | CN203309030U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821884A (en) * | 2014-03-06 | 2014-05-28 | 朱英刚 | Multipurpose gearbox |
| CN103912638A (en) * | 2014-04-30 | 2014-07-09 | 第一拖拉机股份有限公司 | Gearbox with crawling block and retrograde device for tractor |
| CN103939536A (en) * | 2014-04-28 | 2014-07-23 | 常州联发凯迪机械有限公司 | Multi-gear tractor transmission case |
| RU2586807C1 (en) * | 2015-04-20 | 2016-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Курганский государственный университет" | Multistage gearbox type 20r10 |
| RU2592028C1 (en) * | 2015-04-20 | 2016-07-20 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" (ТИУ) | 24-stage coaxial planetary shaft gearbox |
| RU2620174C1 (en) * | 2016-04-26 | 2017-05-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" (ТИУ) | Planetary gear box 26r10 |
| CN107420492A (en) * | 2017-09-16 | 2017-12-01 | 山东潍坊鲁中拖拉机有限公司 | A kind of dynamic power shift gear box transmission device |
-
2013
- 2013-05-28 CN CN2013202986266U patent/CN203309030U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821884A (en) * | 2014-03-06 | 2014-05-28 | 朱英刚 | Multipurpose gearbox |
| CN103821884B (en) * | 2014-03-06 | 2017-03-15 | 朱英钢 | Multipurpose gearbox |
| CN103939536A (en) * | 2014-04-28 | 2014-07-23 | 常州联发凯迪机械有限公司 | Multi-gear tractor transmission case |
| CN103939536B (en) * | 2014-04-28 | 2016-06-29 | 江苏俊云机械科技有限公司 | Many gear tractors change speed gear box |
| CN103912638A (en) * | 2014-04-30 | 2014-07-09 | 第一拖拉机股份有限公司 | Gearbox with crawling block and retrograde device for tractor |
| RU2586807C1 (en) * | 2015-04-20 | 2016-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Курганский государственный университет" | Multistage gearbox type 20r10 |
| RU2592028C1 (en) * | 2015-04-20 | 2016-07-20 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" (ТИУ) | 24-stage coaxial planetary shaft gearbox |
| RU2620174C1 (en) * | 2016-04-26 | 2017-05-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" (ТИУ) | Planetary gear box 26r10 |
| CN107420492A (en) * | 2017-09-16 | 2017-12-01 | 山东潍坊鲁中拖拉机有限公司 | A kind of dynamic power shift gear box transmission device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 265200 No. 55 Haihe Road, Laiyang, Shandong, Yantai Patentee after: SHANDONG DONGQI AGRICULTURAL EQUIPMENT Co.,Ltd. Address before: 265200 No. 55 Haihe Road, Yantai, Shandong, Laiyang Patentee before: YANTAI DONGQI AGRICULTURAL EQUIPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |