CN108412973A - Front transmission mechanism with speed turning function - Google Patents
Front transmission mechanism with speed turning function Download PDFInfo
- Publication number
- CN108412973A CN108412973A CN201810465290.5A CN201810465290A CN108412973A CN 108412973 A CN108412973 A CN 108412973A CN 201810465290 A CN201810465290 A CN 201810465290A CN 108412973 A CN108412973 A CN 108412973A
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- CN
- China
- Prior art keywords
- speed
- oil
- gear
- driving
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/14—Fluid pressure control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H2003/0811—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts using unsynchronised clutches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H2003/0826—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts wherein at least one gear on the input shaft, or on a countershaft is used for two different forward gear ratios
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02056—Gearboxes for particular applications for vehicle transmissions for utility vehicles, e.g. tractors or agricultural machines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The present invention relates to the front transmission mechanism with speed turning function, small conical gear axis is rotatablely equipped in the first transmission case, one end of small conical gear axis is connect with power plant, and the other end is connect with rear driving axle；It is further fixed on driving gear on small conical gear axis；Further include idler shaft, the low speed intermediate gear that high speed intermediate gear is fixed on idler shaft and is engaged with driving gear；Driving front output shaft is rotatablely equipped in second transmission case, the high-speed clutch for being fixed with the low-speed clutch being connect with low speed driven gear on driving front output shaft and being connect with high speed driven gear, low speed driven gear is engaged with low speed intermediate gear, and high speed driven gear is engaged with high speed intermediate gear；One end of driving front output shaft connects with preceding bridging.When tractor normal operation, low-speed clutch combines, and meets requirement of the tractor to tractive force；When tractor is turned, low-speed clutch separation, high-speed clutch combines, and reduces tractor turning radius, shortens turning time.
Description
Technical field
The present invention relates to tractor technical fields, more particularly to the front transmission mechanism with speed turning function.
Background technology
Due to the limitation of farmland massif area, tractor needs to turn, turn around when advancing to farmland one end, in order to phase
The soil in neighbouring region carries out farming.Tractor can leave lower part uncultivated land when turning, and the turning radius of tractor the big, loses
The uncultivated land area left is also bigger, therefore, how to reduce the turning radius of tractor, shortens turning time, improves work
Efficiency is user's problem in the urgent need to address.
When tractor is turned, the distance that preceding road is passed by is longer than trailing wheel, and this requires the linear velocities of front-wheel to be more than trailing wheel
Linear velocity, but the tractor of existing four-wheel drive due to structure limit, the linear velocity of front wheels and rear wheels is essentially identical, it is positive because
For in this way, tractor in turning, just will appear phenomena such as turning radius is big, and front-wheel digs ground, bulldozes.Therefore, to obtain compared with
Small turning radius, must just allow tractor steering when front-wheel linear velocity be more than trailing wheel linear velocity.
Invention content
Technical problem to be solved by the invention is to provide front-wheel linear velocities when one kind can realize tractor steering to be more than
Trailing wheel linear velocity, the small front transmission mechanism with speed turning function of turning radius.
In order to solve the above technical problems, the technical scheme is that：Front transmission mechanism with speed turning function, packet
Include the first transmission case, be rotatablely equipped with small conical gear axis in first transmission case, one end of the small conical gear axis with
Power plant connects, and the other end of the small conical gear axis is connect with rear driving axle；It is also fixed on the small conical gear axis
There is driving gear；It is also rotatablely equipped with idler shaft in first transmission case, is fixed on the idler shaft and the driving tooth
The low speed intermediate gear of engagement is taken turns, high speed intermediate gear is further fixed on the idler shaft；Further include the second transmission case, described
It is rotatablely equipped with driving front output shaft in two transmission cases, low-speed clutch and high speed clutch are fixed on the driving front output shaft
Device, the low-speed clutch are connected with low speed driven gear, and the low speed driven gear is engaged with the low speed intermediate gear；Institute
It states high-speed clutch and is connected with high speed driven gear, the high speed driven gear is engaged with the high speed intermediate gear；Before described
One end of transmission output shaft connects with preceding bridging.
The low-speed clutch and the high-speed clutch are equipped with the drive for pushing friction plate as a preferred technical solution,
Dynamic device, the driving device include the oil cylinder being mounted on the driving front output shaft, are slided in the oil cylinder and are provided with work
Plug, the piston are equipped with cricoid push plate towards the side of the friction plate, promotion are additionally provided on the driving front output shaft
The spring of the piston reset.
The oil cylinder is equipped with annular convex platform towards the side of the piston as a preferred technical solution, with the ring
The piston of shape lug boss position corresponding position is equipped with buckling groove, and the annular convex platform stretches into the buckling groove；The annular
Space between the piston and the oil cylinder is divided into interior oil pocket and outer oil cavity, the driving front output shaft to be equipped with by boss
For the first oil duct of the interior oil pocket fuel feeding；Be equipped with the outer oil duct for the outer oil cavity fuel feeding in the piston, the piston with
The side of the driving front output shaft contact is equipped with the oil groove being connected to the outer oil duct, and the driving front output shaft is equipped with
For the second oil duct of the oil groove fuel feeding；When sealed end of the piston close to the oil cylinder, the oil groove is located at described the
Between the oil outlet of one oil duct and the oil outlet of second oil duct；The annular convex platform, which is equipped with, is connected to the interior oil pocket and institute
The channel of outer oil cavity is stated, being equipped in the channel allows hydraulic oil from the outer oil cavity to the unidirectionally controlled of the interior oil pocket flowing
Element.
The unidirectionally controlled element is check valve as a preferred technical solution,.
The annular convex platform is made of rubber as a preferred technical solution,.
First transmission case is set up in parallel up and down with second transmission case as a preferred technical solution,.
The low speed intermediate gear and the high speed intermediate gear are duplicate gear as a preferred technical solution,.
By adopting the above-described technical solution, the front transmission mechanism with speed turning function, when tractor normal operation
When, low-speed clutch combines, and meets requirement of the tractor to tractive force；When tractor is turned, low-speed clutch separation, high speed
Clutch combines, and realizes that front-wheel linear velocity is more than trailing wheel linear velocity, reduces tractor turning radius, shortens turning time.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of low-speed clutch and high-speed clutch in the embodiment of the present invention.
In figure：The first transmission cases of 1-；2- driving gears；3- small conical gear axis；4- low speed intermediate gears；5- idler shafts；
The second transmission cases of 6-；7- low speed driven gears；8- low-speed clutch；9- driving front output shafts；10- high-speed clutches；11- high speeds
Driven gear；12- high speed intermediate gears；The unidirectionally controlled elements of 13-；14- clutch hubs；15- friction plates；16- push plates；17- oil
Cylinder；18- outer oil cavities；The outer oil ducts of 19-；The first oil ducts of 20-；22- oil grooves；The second oil ducts of 23-；Oil pocket in 24-；25- annular convex platform；
26- sealing rings；27- buckling grooves；28- pistons；29- springs.
Specific implementation mode
As shown in Figure 1, the front transmission mechanism with speed turning function, including the first transmission case 1, first transmission case
Small conical gear axis 3 is rotatablely equipped in 1, one end of the small conical gear axis 3 is connect with power plant B, the conicle
The other end of gear shaft 3 is connect with rear driving axle H.It is further fixed on driving gear 2 on the small conical gear axis 3, described first
It is also rotatablely equipped with idler shaft 5 in transmission case 1, is fixed on the idler shaft 5 among the low speed engaged with the driving gear 2
Gear 4 is further fixed on high speed intermediate gear 12 on the idler shaft 5.Low speed intermediate gear 4 and high speed intermediate gear 12 are duplex
Gear reduces assembly space.Further include the second transmission case 6, driving front output shaft 9 be rotatablely equipped in second transmission case 6,
Low-speed clutch 8 and high-speed clutch 10 are fixed on the driving front output shaft 9, the low-speed clutch 8 is connected with low speed
Driven gear 7, the low speed driven gear 7 are engaged with the low speed intermediate gear 4；The high-speed clutch 10 is connected with high speed
Driven gear 11, the high speed driven gear 11 are engaged with the high speed intermediate gear 12；One end of the driving front output shaft 9
It is connect with preceding bridge Q.
The power transmitted by tractor speed change device, that is, power plant B passes through the front transmission mechanism with speed turning function and passes
It passs, there are two transmission paths：
When tractor normal operation, among tractor speed change device B → small conical gear axis 3 → driving gear, 2 → low speed
Gear 4 → low speed driven gear 7 → low-speed clutch, 8 → driving front, 9 → farm tractor front axle of output shaft Q；
When tractor is turned, tractor speed change device B → small conical gear axis 3 → driving gear, 2 → low speed intermediate gear 4
→ high speed intermediate gear 12 → high speed driven gear 11 → high-speed clutch, 10 → driving front, 9 → farm tractor front axle of output shaft Q.
With the above structure, for tractor in turning, front-wheel linear velocity is more than the linear velocity of trailing wheel, reduces tractor
Turning radius；In normally travel, front-wheel linear velocity can match tractor with trailing wheel linear velocity again, meet requirement.On
Tractor turning radius can be reduced by stating transmission mechanism, shorten turning time, improve operating efficiency.
Further, first transmission case 1 is set up in parallel with about 6 second transmission case, and lubrication is convenient, structure letter
It is single.
Frequent adjustment low-speed clutch 8 and high-speed clutch 10, the meeting when replacing clutch are needed when tractor farming
Tractor speed changer is formed and is impacted, the service life of speed change gear is influenced.In order to improve the performance of above-mentioned drive mechanism,
The low-speed clutch 8 and the high-speed clutch 10 are equipped with the driving device for pushing friction plate 15, as shown in Fig. 2, described
Driving device includes the oil cylinder 17 being mounted on the driving front output shaft 9, is slided in the oil cylinder 17 and is provided with piston 28, institute
It states and is provided with sealing ring 26 between piston 28 and the oil cylinder 17.The side of the piston 28 towards the friction plate 15 is equipped with
Cricoid push plate 16 is additionally provided with the spring 29 for pushing the piston reset on the driving front output shaft 9.17 direction of the oil cylinder
The side of the piston 28 is equipped with annular convex platform 25, is equipped with the piston 28 of 25 position corresponding position of the annular convex platform
Buckling groove 27, the annular convex platform 25 sliding in the buckling groove 27 when moving of the piston 28.Annular convex platform 25 preferably by
Rubber is made, and since rubber has certain elasticity and toughness, is ensureing between buckling groove 27 and annular convex platform 25 relatively slidably
It can also reduce assembly precision simultaneously.Space between the piston 28 and the oil cylinder 17 is divided into interior by the annular convex platform 25
Oil pocket 24 and outer oil cavity 18, the driving front output shaft 9 are equipped with the first oil duct 20 for 24 fuel feeding of interior oil pocket；The work
The outer oil duct 19 for 18 fuel feeding of the outer oil cavity, the side that the piston 28 is contacted with the driving front output shaft 9 are equipped in plug 28
Face is equipped with the oil groove 22 being connected to the outer oil duct 19, and the driving front output shaft 9 is equipped with as 22 fuel feeding of the oil groove
Second oil duct 23；When sealed end of the piston 28 close to the oil cylinder 17, the oil groove 22 is located at first oil duct 20
Oil outlet and the oil outlet of second oil duct 23 between.The annular convex platform 25, which is equipped with, is connected to the interior oil pocket 24 and institute
The channel of outer oil cavity 18 is stated, the list for allowing hydraulic oil to be flowed from the outer oil cavity 18 to the interior oil pocket 24 is equipped in the channel
To control element 13.Preferably, the unidirectionally controlled element 13 is check valve.
Low speed driven gear 7 and high speed driven gear 11 are respectively fixedly connected with clutch hub 14, when needing clutch
In conjunction with when, by the first oil duct 20 and the second oil duct 23 to fuel feeding between piston 28 and oil cylinder 17.Under fuel feeding original state, due to
Oil groove 22 is not connected to the second oil duct 23, therefore only passes through fuel feeding in 20 inside oil pocket 24 of the first oil duct；When annular convex platform 25
When will be disengaged from buckling groove 27, oil groove 22 is connected to the second oil duct 23, and by outer oil duct 19 to 18 fuel feeding of outer oil cavity, oily outside
When the oil pressure of chamber 18 is not up to the oil pressure size of interior oil pocket 24, piston maintains position constant；When outer oil cavity 18 and interior oil pocket 24
When oil pressure is identical greatly, persistently fuel feeding, piston 28 are moved relative to oil cylinder 17 simultaneously for outer oil cavity 18 and interior oil pocket 24, realize piston 17
Smooth drive reduces influence of the impact to gearbox, and the combination and separation of clutch are rapid, reduce in conjunction with and separation process in
Abrasion.And when clutch needs separation, piston 28 resets under the action of a spring 29, and the hydraulic oil in outer oil cavity 18 is from the
Two oil ducts 23 and the first oil duct 20 flow out oil cylinder 17.
The basic principles and main features and advantages of the present invention of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. the front transmission mechanism with speed turning function, it is characterised in that：Including the first transmission case, in first transmission case
It is rotatablely equipped with small conical gear axis, one end of the small conical gear axis is connect with power plant, the small conical gear axis
The other end connect with rear driving axle；It is further fixed on driving gear on the small conical gear axis；In first transmission case also
It is rotatablely equipped with idler shaft, the low speed intermediate gear engaged with the driving gear, the idle pulley are fixed on the idler shaft
High speed intermediate gear is further fixed on axis；Further include the second transmission case, it is defeated to be rotatablely equipped with driving front in second transmission case
Shaft is fixed with low-speed clutch and high-speed clutch on the driving front output shaft, and the low-speed clutch is connected with low speed
Driven gear, the low speed driven gear are engaged with the low speed intermediate gear；It is driven that the high-speed clutch is connected with high speed
Gear, the high speed driven gear are engaged with the high speed intermediate gear；One end of the driving front output shaft connects with preceding bridging.
2. the front transmission mechanism with speed turning function as described in claim 1, it is characterised in that：The low-speed clutch
The driving device for pushing friction plate is equipped with the high-speed clutch, the driving device includes defeated mounted on the driving front
Oil cylinder on shaft, the interior sliding of the oil cylinder are provided with piston, and the piston is equipped with ring-type towards the side of the friction plate
Push plate, be additionally provided with the spring for pushing the piston reset on the driving front output shaft.
3. the front transmission mechanism with speed turning function as claimed in claim 2, it is characterised in that：The oil cylinder is towards institute
The side for stating piston is equipped with annular convex platform, and buckling groove, institute are equipped with the piston of annular convex platform position corresponding position
Annular convex platform is stated to stretch into the buckling groove；Space between the piston and the oil cylinder is divided into interior by the annular convex platform
Oil pocket and outer oil cavity, the driving front output shaft are equipped with the first oil duct for the interior oil pocket fuel feeding；It is equipped in the piston
For the outer oil duct of the outer oil cavity fuel feeding, the side that the piston is contacted with the driving front output shaft is equipped with and the outer oil
The oil groove of road connection, the driving front output shaft are equipped with the second oil duct for the oil groove fuel feeding；When the piston is close to institute
When stating the sealed end of oil cylinder, the oil groove is located between the oil outlet and the oil outlet of second oil duct of first oil duct；
The annular convex platform is equipped with the channel for being connected to the interior oil pocket and the outer oil cavity, and being equipped in the channel allows hydraulic oil certainly
The unidirectionally controlled element that the outer oil cavity is flowed to the interior oil pocket.
4. the front transmission mechanism with speed turning function as claimed in claim 3, it is characterised in that：The unidirectionally controlled member
Part is check valve.
5. the front transmission mechanism with speed turning function as claimed in claim 3, it is characterised in that：The annular convex platform by
Rubber is made.
6. the front transmission mechanism with speed turning function as described in claim 1, it is characterised in that：First transmission case
It is set up in parallel up and down with second transmission case.
7. the front transmission mechanism with speed turning function as described in claim 1, it is characterised in that：The low speed center tooth
Wheel and the high speed intermediate gear are duplicate gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465290.5A CN108412973A (en) | 2018-05-16 | 2018-05-16 | Front transmission mechanism with speed turning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465290.5A CN108412973A (en) | 2018-05-16 | 2018-05-16 | Front transmission mechanism with speed turning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108412973A true CN108412973A (en) | 2018-08-17 |
Family
ID=63139820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810465290.5A Withdrawn CN108412973A (en) | 2018-05-16 | 2018-05-16 | Front transmission mechanism with speed turning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412973A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654215A (en) * | 2018-11-30 | 2019-04-19 | 浙江云洲科技有限公司 | Compliance steer gear box hydraulic control system |
| CN112339858A (en) * | 2020-10-09 | 2021-02-09 | 第一拖拉机股份有限公司 | Speed-multiplying steering control system and method for high-horsepower wheeled tractor |
-
2018
- 2018-05-16 CN CN201810465290.5A patent/CN108412973A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654215A (en) * | 2018-11-30 | 2019-04-19 | 浙江云洲科技有限公司 | Compliance steer gear box hydraulic control system |
| CN109654215B (en) * | 2018-11-30 | 2023-10-13 | 浙江云洲科技有限公司 | Flexible steering gearbox hydraulic control system |
| CN112339858A (en) * | 2020-10-09 | 2021-02-09 | 第一拖拉机股份有限公司 | Speed-multiplying steering control system and method for high-horsepower wheeled tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180817 |