CN106740079B - Transmission system of front and rear axle assemblies of gearbox of plant protection machine - Google Patents
Transmission system of front and rear axle assemblies of gearbox of plant protection machine Download PDFInfo
- Publication number
- CN106740079B CN106740079B CN201710167154.3A CN201710167154A CN106740079B CN 106740079 B CN106740079 B CN 106740079B CN 201710167154 A CN201710167154 A CN 201710167154A CN 106740079 B CN106740079 B CN 106740079B
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- shaft
- transmission
- axle tube
- axle
- bevel gear
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The invention discloses a transmission system of a front axle and a rear axle of a gearbox of a plant protection machine, which comprises the following components: the transmission, the front axle and the rear axle, the two ends of the output shaft of the transmission are respectively connected with the front axle and the rear axle in a transmission way, the reversing of the auxiliary box of the gearbox of the plant protection machine is canceled, the overall dimension of the whole machine is unchanged by changing the bevel gear transmission structure of the front axle and the rear axle, and compared with the transmission of the plant protection machine of the same kind, the transmission has the characteristics of simple and reasonable design, high reliability, long service life, multiple functions, low cost, wide adaptability, easy operation and the like; promote the crop protection of vast farmers from 'man-back machine to man-back machine', greatly lighten the labor intensity, have high efficiency and high pesticide utilization rate, and meet the environmental protection requirement.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a transmission system of a front axle and rear axle assembly of a gearbox of a plant protection machine.
Background
At present, plant protection machinery is known as three main supports for chemical control as pesticide and control technology. The generation of plant protection machinery is an inevitable product of agricultural development, and the effect of efficiently preventing and controlling plant diseases and insect pests is known. Modern agricultural production cannot leave the plant protection machinery, and development of the modern agricultural production shows strong dependence on the plant protection machinery.
The pesticide production technology in China is in the international advanced level, the current situation that the plant protection machinery and pesticide use technology in China are seriously lagged is quite disproportionate to the pesticide level which is developed at high speed in China, the prevention and control of crop diseases, insect pests and the like are seriously hindered, negative effects such as low pesticide effective utilization rate, exceeding pesticide residues in agricultural products, environmental pollution, crop injury, operator poisoning and the like are brought, and unnecessary losses and other adverse effects are caused.
In the face of the new rural land intensive production, the population is continuously increased, the grain demand is aggravated, the environmental protection requirement is more and more strict, and the plant protection machinery is developed from the original man-in-the-back machine to the current man-in-the-back machine. The development and development of more novel plant protection machines suitable for the national conditions of China with high work efficiency, low spray quantity, fine spraying and low pollution are urgent, and a plant protection machine speed changer is a key core component of the plant protection machine. The dynamic and fault mode of the existing market plant protection machine speed changer shows a burnt clutch plate, the speed ratio matching is unreasonable, the transmission route is complicated due to the fact that the auxiliary box is arranged on the speed changer, and the fault rate and the cost are high.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the front and rear axle assembly transmission system of the plant protection machine gearbox, which can enhance the bearing capacity of the transmission system, simplify the operation difficulty and improve the reliability, rationalize the speed ratio matching, simplify the transmission structure and reduce the cost and have long durability.
In order to solve the technical problems, the technical scheme of the invention is as follows: a plant protection machine gearbox front-rear axle assembly drive system, comprising: the transmission comprises a box body, a first shaft, a second shaft, a third shaft and an output shaft are arranged in the box body, the first shaft and the second shaft are meshed with each other through gears, a gear hub sleeve and a gear position gear are arranged on the third shaft, two ends of the output shaft extend out of the box body, a high-low gear and a gear hub sleeve which are matched with the gear hub sleeve and the gear position gear on the third shaft are arranged on the part of the output shaft, which is located in the box body, and gears meshed with the third shaft are arranged on the second shaft; the rear axle is provided with a rear differential mechanism axle tube, a rear differential mechanism is arranged in the rear differential mechanism axle tube and is in transmission connection with a flange plate provided with wheels through a rear transmission shaft, an input shaft is arranged on the rear differential mechanism, and the input shaft of the rear differential mechanism is connected with one end of an output shaft of the transmission; the front axle is provided with a front differential mechanism axle tube, a front differential mechanism is arranged in the front differential mechanism axle tube and is in transmission connection with a flange plate provided with wheels through a front transmission shaft, an input shaft is arranged on the front differential mechanism, and the input shaft of the front differential mechanism is connected with one end of an output shaft of the transmission; and friction plate combinations are respectively sleeved on the rear transmission shaft and the front transmission shaft.
Further, the two ends of the rear differential mechanism axle tube are connected with the rear steering axle tube of the mounting flange plate through a rear axle shaft connecting axle tube, the rear transmission shaft comprises a rear transmission axle shaft arranged in the rear axle shaft connecting axle tube and a rear axle tube transmission shaft arranged in the rear steering axle tube, the rear transmission axle shaft is connected with the rear axle tube transmission shaft through bevel gear transmission, and an included angle of an axis between the rear transmission axle shaft and the rear axle tube transmission shaft is 96 degrees.
Further, the front differential mechanism axle tube both ends are connected with the front steering axle tube of the installation flange plate through the front half shaft connecting axle tube, the front transmission shaft is including setting up the front transmission half shaft in the front half shaft connecting axle tube and setting up the front axle tube transmission shaft in the front steering axle tube, the front transmission half shaft with the front axle tube transmission shaft passes through bevel gear transmission connection, the front transmission half shaft with the contained angle of the axis between the front axle tube transmission shaft is 96.
Further, the friction plate combination is sleeved on the front transmission half shaft and the rear transmission half shaft respectively, the friction plate combination is composed of friction plates, a shifting fork is arranged close to the friction plate combination, and the shifting fork is fixed on a rotating shaft capable of driving the shifting fork to swing.
Further, a rear axle tube steering seat is arranged between the rear axle shaft connecting axle tube and the rear steering axle tube, two ends of the rear axle tube steering seat are respectively connected with the rear axle shaft connecting axle tube and the rear steering axle tube through bearings, the end part of the rear axle tube transmission shaft is meshed with a second rear bevel gear arranged at the end part of the rear transmission axle shaft through a first rear bevel gear, the first rear bevel gear is positioned at the lower side of the second rear bevel gear, and the lower side of the first rear bevel gear is fixed on the rear axle tube steering seat through bearings.
Further, a front axle tube steering seat is arranged between the front axle shaft connecting axle tube and the front steering axle tube, two ends of the front axle tube steering seat are respectively connected with the front axle shaft connecting axle tube and the front steering axle tube through bearings, the end part of the front axle tube transmission shaft is meshed with a second front bevel gear arranged at the end part of the front transmission axle shaft through a first front bevel gear, the first front bevel gear is positioned at the lower side of the second front bevel gear, and the lower side of the first front bevel gear on the front axle tube transmission shaft is fixed on the front axle tube steering seat through bearings.
The beneficial effects obtained by adopting the technical scheme are as follows: the auxiliary box reversing of the plant protection machine gearbox is canceled, the overall dimension of the whole machine is unchanged by changing the transmission structure of the front axle bevel gear and the rear axle bevel gear, and compared with the similar plant protection machine gearboxes, the plant protection machine gearbox has the characteristics of simple and reasonable design, high reliability, long service life, multiple functions, low cost, wide adaptability, easiness in operation and the like; promote the crop protection of vast farmers from 'man-back machine to man-back machine', greatly lighten the labor intensity, have high efficiency and high pesticide utilization rate, and meet the environmental protection requirement.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a rear axle according to the present invention;
FIG. 3 is a schematic representation of the structure of the transmission of the present invention;
FIG. 4 is a schematic view of the structure of the friction plate assembly A-A according to the present invention;
fig. 5 is a schematic top view of the rear axle according to the present invention.
In the figure: 100-speed variator, 200-front axle, 300-rear axle, 1-box, 2-first axle, 3-second axle, 4-third axle, 5-output axle, 6-rear differential axle tube, 7-rear differential, 8-flange, 9-input axle, 10-rear axle tube, 11-rear steering axle tube, 12-rear transmission axle, 13-rear axle tube transmission shaft, 14-initiative deceleration conical gear, 15-passive deceleration conical gear, 16-shift fork, 17-rotating shaft, 18-rear axle tube steering seat, 19-first rear bevel gear, 20-second rear bevel gear.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The present invention will be further described with reference to the accompanying drawings, which will enable those skilled in the art to better practice the present invention, and in an embodiment of the present invention, a transmission system for a front and rear axle 300 assembly of a plant protection machine gearbox, comprises: transmission 100, front axle 200, and rear axle 300.
The transmission 100 is provided with a box body 1, a first shaft 2, a second shaft 3, a third shaft 4 and an output shaft 5 are arranged in the box body 1, the first shaft 2 and the second shaft 3 are meshed with each other through gears, a gear hub sleeve and a gear position gear are arranged on the third shaft 4, two ends of the output shaft 5 extend out of the box body 1, a high-low gear and a gear hub sleeve which are matched with the gear hub sleeve and the gear position gear on the third shaft 4 are arranged on the part of the output shaft 5 positioned in the box body 1, and a gear meshed with the third shaft 4 is arranged on the second shaft 3; the power of the transmission line of the transmission 100 is meshed with the normal gears of the second shaft 3 through the first shaft 2, the power is transmitted to the gears of the third shaft 4 through the gears of the second shaft 3, and then the power is transmitted to the high-low gear power output of the output shaft 5 through the third shaft 4.
The rear axle 300 is provided with a rear differential 7 axle tube 6, a rear differential 7 is arranged in the rear differential 7 axle tube 6, the rear differential 7 is in transmission connection with a flange plate 8 provided with wheels through a rear transmission shaft, an input shaft 9 is arranged on the rear differential 7, and the input shaft 9 of the rear differential 7 is connected with one end of an output shaft 5 of the transmission 100; the two ends of the rear differential 7 are connected with the rear steering axle tube 11 of the mounting flange plate 8 through a rear axle shaft connecting axle tube 10, the rear transmission shaft comprises a rear transmission axle shaft 12 arranged in the rear axle shaft connecting axle tube 10 and a rear axle tube transmission shaft 13 arranged in the rear steering axle tube 11, one end of the rear transmission axle shaft 12 is fixed on the rear differential 7, the other end of the rear axle tube transmission shaft 13 is provided with a second rear bevel gear 20, one end of the rear axle tube transmission shaft 13 is provided with a first rear bevel gear 19 meshed with the second rear bevel gear 20 on the rear transmission axle shaft 12, the other end of the rear axle tube transmission shaft 13 is provided with a driving reduction bevel gear 14, the flange plate 8 is provided with a driven reduction bevel gear 15 meshed with the driving reduction bevel gear 14, an included angle between the rear transmission axle shaft 12 and the rear axle tube transmission shaft 13 is 96 DEG, a rear axle tube steering seat 18 is arranged between the rear axle tube 10 and the rear steering axle tube 11, two ends of the rear axle tube steering seat 18 are respectively connected with the rear axle tube 10 and the rear axle tube 11 through bearings, the end of the rear axle tube transmission shaft 13 is provided with a first rear bevel gear 19 meshed with the second rear bevel gear 20 on the lower side of the rear axle tube transmission shaft 19 through the first bevel gear 19, and the lower end of the rear axle tube transmission shaft is fixed on the rear axle tube transmission shaft 19 through the first bevel gear 19.
The structure of the front axle 200 is the same as that of the rear axle 300, so that the structure of the front axle 200 is not shown in the drawings, the front axle 200 is provided with a front differential axle tube, a front differential is arranged in the front differential axle tube and is in transmission connection with a flange plate 8 for mounting wheels through a front transmission shaft, an input shaft 9 is arranged on the front differential, and the input shaft 9 of the front differential is connected with one end of an output shaft 5 of the transmission 100; the two ends of the front differential mechanism bridge pipe are connected with a front steering bridge pipe of the mounting flange plate 8 through a front half shaft connecting bridge pipe, the front transmission shaft comprises a front transmission half shaft arranged in the front half shaft connecting bridge pipe and a front bridge pipe transmission shaft arranged in the front steering bridge pipe, one end of the front transmission half shaft is fixed on the front differential mechanism, the other end of the front transmission half shaft is provided with a second front bevel gear, one end of the front bridge pipe transmission shaft is provided with a first front bevel gear meshed with the second front bevel gear on the front transmission half shaft, the other end of the front bridge pipe transmission shaft is provided with an active speed reduction bevel gear 14, the flange plate 8 is provided with a passive speed reduction bevel gear 15 meshed with the active speed reduction bevel gear 14, the included angle of the axis between the front transmission half shaft and the front axle tube transmission shaft is 96 degrees, a front axle tube steering seat is arranged between the front half shaft connecting axle tube and the front steering axle tube, two ends of the front axle tube steering seat are respectively connected with the front half shaft connecting axle tube and the front steering axle tube through bearings, the end part of the front axle tube transmission shaft is meshed with a second front bevel gear arranged at the end part of the front transmission half shaft through a first front bevel gear, the first front bevel gear is positioned at the lower side of the second front bevel gear, and the lower side of the first front bevel gear on the front axle tube transmission shaft is fixed on the front axle tube steering seat through bearings.
The friction plate combination is respectively sleeved on the front transmission half shaft and the rear transmission half shaft 12, the friction plate combination is composed of friction plates, a shifting fork 16 is arranged near the friction plate combination, and the shifting fork 16 is fixed on a rotating shaft 17 capable of driving the shifting fork to swing.
According to the embodiment of the invention, the rotation speed is controlled through high-low speed multi-rail sliding, so that crops in different areas are protected; the phenomenon of burning sheets when the clutch is reinforced and the materials are replaced is thoroughly solved; by optimizing parameters, the auxiliary box structure is canceled, and compared with the similar plant protection machine speed changer, the auxiliary box structure has the characteristics of simple and reasonable design, high reliability, long service life, multiple functions, low cost, wide adaptability, easy operation and the like; promote the crop protection of vast farmers from 'man-back machine to man-back machine', greatly lighten the labor intensity, have high efficiency and high pesticide utilization rate, and meet the environmental protection requirement.
The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, and yet fall within the scope of the invention.
Claims (6)
1. A plant protection machine gearbox front and rear axle assembly transmission system which characterized in that: comprising the following steps:
the transmission is provided with a box body, a first shaft, a second shaft, a third shaft and an output shaft are arranged in the box body, the first shaft is meshed with the second shaft through gears, a gear hub sleeve and a gear are arranged on the third shaft, two ends of the output shaft extend out of the box body, a high-low gear and a gear hub sleeve which are matched with the gear hub sleeve and the gear on the third shaft are arranged on the part of the output shaft in the box body, and a gear meshed with the third shaft is arranged on the second shaft;
the rear axle is provided with a rear differential mechanism axle tube, a rear differential mechanism is arranged in the rear differential mechanism axle tube and is in transmission connection with a flange plate provided with wheels through a rear transmission shaft, an input shaft is arranged on the rear differential mechanism, and the input shaft of the rear differential mechanism is connected with one end of an output shaft of the transmission;
the front axle is provided with a front differential mechanism axle tube, a front differential mechanism is arranged in the front differential mechanism axle tube and is in transmission connection with a flange plate provided with wheels through a front transmission shaft, an input shaft is arranged on the front differential mechanism, and the input shaft of the front differential mechanism is connected with one end of an output shaft of the transmission;
and friction plate combinations are respectively sleeved on the rear transmission shaft and the front transmission shaft.
2. The plant protection machine gearbox front-rear axle assembly transmission system according to claim 1, wherein: the rear differential mechanism axle tube both ends are connected with the rear steering axle tube of installation ring flange through rear half axle connection axle tube, the rear transmission shaft is including setting up rear drive semi-axis and the setting of rear drive axle tube transmission shaft in the rear steering axle tube in the rear half axle connection axle tube, rear drive semi-axis with the rear axle tube transmission shaft passes through bevel gear transmission connection, rear drive semi-axis with the contained angle of the extension line of axis between the rear axle tube transmission shaft is 96.
3. The plant protection machine gearbox front-rear axle assembly transmission system according to claim 2, wherein: the front transmission shaft comprises a front transmission half shaft arranged in the front half shaft connecting bridge pipe and a front bridge pipe transmission shaft arranged in the front steering bridge pipe, the front transmission half shaft is connected with the front bridge pipe transmission shaft through bevel gear transmission, and an included angle of an extension line of an axis between the front transmission half shaft and the front bridge pipe transmission shaft is 96 degrees.
4. A plant protection machine gearbox front-rear axle assembly transmission system according to claim 3, characterized in that: the friction plate combination is respectively sleeved on the front transmission half shaft and the rear transmission half shaft, the friction plate combination is composed of friction plates, a shifting fork is arranged near the friction plate combination, and the shifting fork is fixed on a rotating shaft capable of driving the shifting fork to swing.
5. The plant protection machine gearbox front-rear axle assembly transmission system according to claim 2, wherein: the rear axle tube steering seat is arranged between the rear axle shaft connecting axle tube and the rear steering axle tube, two ends of the rear axle tube steering seat are respectively connected with the rear axle shaft connecting axle tube and the rear steering axle tube through bearings, the end part of the rear axle tube transmission shaft is meshed with a second rear bevel gear arranged at the end part of the rear transmission axle shaft through a first rear bevel gear, the first rear bevel gear is positioned at the lower side of the second rear bevel gear, and the lower side of the first rear bevel gear is fixed on the rear axle tube steering seat through bearings.
6. A plant protection machine gearbox front-rear axle assembly transmission system according to claim 3, characterized in that: the front axle tube steering seat is arranged between the front axle shaft connecting axle tube and the front steering axle tube, two ends of the front axle tube steering seat are respectively connected with the front axle shaft connecting axle tube and the front steering axle tube through bearings, the end part of the front axle tube transmission shaft is meshed with a second front bevel gear arranged at the end part of the front transmission axle shaft through a first front bevel gear, the first front bevel gear is positioned at the lower side of the second front bevel gear, and the lower side of the first front bevel gear is fixed on the front axle tube steering seat through bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167154.3A CN106740079B (en) | 2017-03-20 | 2017-03-20 | Transmission system of front and rear axle assemblies of gearbox of plant protection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167154.3A CN106740079B (en) | 2017-03-20 | 2017-03-20 | Transmission system of front and rear axle assemblies of gearbox of plant protection machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740079A CN106740079A (en) | 2017-05-31 |
| CN106740079B true CN106740079B (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710167154.3A Active CN106740079B (en) | 2017-03-20 | 2017-03-20 | Transmission system of front and rear axle assemblies of gearbox of plant protection machine |
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| CN (1) | CN106740079B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702918A (en) * | 2017-11-21 | 2018-02-16 | 重庆越博传动系统有限公司 | A kind of bridge case integrated gearbox engaging experimental bench for new-energy automobile |
| US11628722B2 (en) * | 2019-04-30 | 2023-04-18 | Polaris Industries Inc. | Vehicle |
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| US6817434B1 (en) * | 2001-12-18 | 2004-11-16 | Torque-Traction Technologies, Inc. | Active hydraulically actuated on-demand wheel end assembly |
| CN201376500Y (en) * | 2009-03-26 | 2010-01-06 | 莫镇艳 | Front-back drive hand tractor |
| CN102189928A (en) * | 2010-03-14 | 2011-09-21 | 贾新成 | Fuel-saving four-wheel drive system of automobile |
| CN102653231A (en) * | 2012-05-16 | 2012-09-05 | 大连金华齿轮箱制造有限公司 | Power assembly for electric passenger car |
| WO2016045486A1 (en) * | 2014-09-23 | 2016-03-31 | 北汽福田汽车股份有限公司 | Running brake system and vehicle |
| CN206615069U (en) * | 2017-03-20 | 2017-11-07 | 山东精科智能传动设备股份有限公司 | A kind of plant protection machine gearbox front and rear axle assembly transmission system |
-
2017
- 2017-03-20 CN CN201710167154.3A patent/CN106740079B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6817434B1 (en) * | 2001-12-18 | 2004-11-16 | Torque-Traction Technologies, Inc. | Active hydraulically actuated on-demand wheel end assembly |
| CN201376500Y (en) * | 2009-03-26 | 2010-01-06 | 莫镇艳 | Front-back drive hand tractor |
| CN102189928A (en) * | 2010-03-14 | 2011-09-21 | 贾新成 | Fuel-saving four-wheel drive system of automobile |
| CN102653231A (en) * | 2012-05-16 | 2012-09-05 | 大连金华齿轮箱制造有限公司 | Power assembly for electric passenger car |
| WO2016045486A1 (en) * | 2014-09-23 | 2016-03-31 | 北汽福田汽车股份有限公司 | Running brake system and vehicle |
| CN206615069U (en) * | 2017-03-20 | 2017-11-07 | 山东精科智能传动设备股份有限公司 | A kind of plant protection machine gearbox front and rear axle assembly transmission system |
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| CN106740079A (en) | 2017-05-31 |
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