CN108082270A - A kind of bowing turns to tractor - Google Patents
A kind of bowing turns to tractor Download PDFInfo
- Publication number
- CN108082270A CN108082270A CN201810069893.3A CN201810069893A CN108082270A CN 108082270 A CN108082270 A CN 108082270A CN 201810069893 A CN201810069893 A CN 201810069893A CN 108082270 A CN108082270 A CN 108082270A
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- Prior art keywords
- steering
- bar
- frame
- tractor
- turns
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Links
- 238000009987 spinning Methods 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 21
- 239000010720 hydraulic oil Substances 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/04—Steering gears mechanical of worm type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A kind of bowing turns to tractor, it is related to agricultural machinery technological field, it includes front frame, Rear frame, engine, gearbox, two front side traveling wheels and two rear side traveling wheels, front frame is hinged with Rear frame by vertical axis, Rear frame is equipped with steering gear, steering gear connects steering wheel by steering spindle and the spinning movement of steering wheel is passed to a transverse axis vertical with steering spindle, one end of transverse axis is connected with steering linkage, a hollow fixing pipe is horizontally installed in Rear frame, a rotatable interlocking bar is equipped in fixing pipe, the both ends of interlocking bar are stretched out from fixing pipe and have been respectively fixedly connected with left swing bar and right swing rod, left swing bar and right swing rod are vertical with interlocking bar, one end of left swing bar is hinged by left connecting rod and steering linkage, one end of right swing rod is hinged by the right rear portion of right connecting rod and front frame.The present invention turns to flexibly, and operation is lighter, and preferable stability can be kept during steering.
Description
Technical field
The present invention relates to agricultural machinery technological field, especially a kind of bowing turns to tractor.
Background technology
With the continuous development of China's economy, mechanization of agriculture is effectively promoted, while is even more in past further normalization
Direction advance.Use of the agricultural machinery such as tractor in rural area is very universal, how to make operating efficiency height, the peace of tractor
Good perfection, easy to operation etc. become a research emphasis of current industry development.Traditional tractor is turned under steam
Xiang Shi, operation is heavy, and go to action amplitude is big, and it is inconvenient to turn to, and it is operationally more convenient that existing bowing turns to tractor
And safety, it is widely used.In Chinese patent CN103144539A, it is more to disclose a kind of four-wheel drive bowing steering
Purposes tractor pushes or pull on preceding bridge using the expanding-contracting action of steering cylinder, so that entire front frame is with vertical axes
It pivoting about, and then realizes the steering of entire tractor, radius of turn is small, and the ride comfort of steering is also good, but
In practical operation, especially pivot stud when, generally require by steering wheel rotate many number of turns can just make steering cylinder drive before
Vehicle frame fully achieves steering, and such go to action is very blunt, moreover, is come using only a steering cylinder real
It turns now to, preferable stability can not be kept, if running into the situations such as jolt when turning to, it is likely that go to action can be caused
Deviation occurs to a certain extent.
The content of the invention
The purpose of the present invention is to solve the above-mentioned problems of the prior art, and it is dilatory to provide a kind of bowing steering
Machine turns to flexibly, and operation is lighter, and preferable stability can be kept during steering.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of bowing turns to tractor, including
Front frame, Rear frame, gearbox, are installed on two of front frame front side traveling wheels and are installed on the two of Rear frame engine
A rear side traveling wheel, the middle part at the middle part and Rear frame front end of the front frame rear end are hinged by vertical axis, the engine
Hydraulic pump is sequentially connected with, the hydraulic pump is connected with hydraulic oil container, and the Rear frame is equipped with and hydraulic pump and hydraulic oil
Case connection steering gear, the steering gear by steering spindle connect steering wheel and by the spinning movement of steering wheel pass to one with
The vertical transverse axis of steering spindle, one end of the transverse axis are connected with steering linkage, be horizontally installed in the Rear frame one it is hollow
Fixing pipe, be equipped with a rotatable interlocking bar in the fixing pipe, the both ends of the interlocking bar are stretched out from fixing pipe
And left swing bar and right swing rod have been respectively fixedly connected with, the left swing bar and right swing rod are vertical with interlocking bar, the left swing bar
One end is hinged by left connecting rod and steering linkage, and one end of the right swing rod is hinged by the right rear portion of right connecting rod and front frame,
It by steering wheel rotation, can make the steering spindle that transverse axis be driven to rotate, and then swing the steering linkage, the steering
Pull rod pulls or promotes left swing bar that right swing rod is caused synchronously to be pulled or promoted, so that the right swing rod pushes or pull on the right side
Connecting rod, finally under the pushing or pull on of the right connecting rod, the entire front frame drive front side traveling wheel deflect to the left or to
Right avertence turns, so as to fulfill steering.
Further, the steering gear includes the worm screw coaxially connected with steering spindle and the snail being connected with the worm screw
Wheel, the worm gear are arranged on worm screw in a shell, and the shell is equipped with oil inlet and oil outlet, and the oil inlet passes through pipe
Road is connected with the oil outlet end of hydraulic pump, and the oil outlet is connected with hydraulic oil container, and the worm gear is connected with cross shaft driving.
Further, detachably installation is fixed on the link block there are one link block at the right rear portion of the front frame
The one end for being connected with bar portion and the bar portion is hinged on towards rear, one end of the right connecting rod and one end of bar portion by axis pin
Together.
Further, left hydraulic cylinder and right hydraulic cylinder, the left hydraulic pressure are additionally provided between the front frame and Rear frame
The bottom of cylinder and the left front portion of Rear frame are hinged, and the top of the left hydraulic cylinder telescopic rod and the left back portion of front frame are hinged, institute
It states the bottom of right hydraulic cylinder and the right front portion of Rear frame is hinged, the top of the right hydraulic cylinder extension bar and the right rear portion of front frame
Hinged, the oil pocket of the left hydraulic cylinder and the oil pocket of right hydraulic cylinder pass through pipeline connection.
Further, the output shaft of the gearbox is sequentially connected with transfer case, and the transfer case is equipped with front output shaft
And rear output shaft, the front output shaft and rear output shaft are connected respectively with front side traveling wheel and rear side traction drive, so as to use
In realizing forerunner or rear-guard or the simultaneously power-supply change-over of front and rear drive.
Preferably, the front output shaft is connected with the drive shaft of front side traveling wheel by cardan drive；Output after described
Axis is connected with the drive shaft of rear side traveling wheel by cardan drive.
It is highly preferred that the engine output shaft is connected with gearbox by cardan drive.
It is highly preferred that the fixing pipe is welded in Rear frame.
It is highly preferred that the left connecting rod is iron with right connecting rod and surface is coated with antirust paint.
The beneficial effects of the present invention are：When bowing steering tractor is turned in the process of moving, by turning
Dynamic steering wheel so that steering axes, at this time quadrature-axis synchronous rotate, so as to which steering linkage be driven to be swung, if by steering wheel
It beats to the left or to the right, then steering linkage can be made to pull or promote left swing bar, under the action of interlocking bar, right swing rod and left swing bar are same
Step is swung, and right connecting rod can be pushed or pull on be subject to right swing rod at this time, and then the power pushed or pull on is passed to front truck
Frame, the right rear portion of front frame are promoted, entire front frame drives front side traveling wheel to deflect to the left, pulled it is then entire before
Vehicle frame drives front side traveling wheel to deflect to the right, is turned to so as to easily realize, whole process operates very flexibly, and steady
It is qualitative preferable, especially when turning amplitude is larger, steering can be quickly realized without steering wheel is beaten many number of turns again.
Description of the drawings
Fig. 1 is integrally-built leftschematic diagram in the embodiment of the present invention；
Fig. 2 is the right side schematic view of the part-structure of steering gear position in embodiment；
Fig. 3 is the internal structure schematic diagram of steering gear in embodiment.
Reference numeral is：
1 --- front frame 2 --- Rear frame 3 --- front side traveling wheel
4 --- rear side traveling wheel 5 --- vertical axis 6 --- engines
7 --- hydraulic pump 8a --- steering spindle 8b --- worm screws
8c --- worm gear 8d --- shell 8e --- transverse axis
9 --- steering linkage 10 --- interlocking bar 11a --- left swing bars
11b --- right swing rod 12a --- left connecting rod 12b --- right connecting rods
13 --- link block 13a --- bar portion 14 --- transfer cases.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
In the description of the present invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " top ", " bottom ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position
Relation is put, be for only for ease of the description present invention and simplifies description rather than instruction or implies that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it is necessary to explanation, unless otherwise prescribed and limit, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be the connection inside mechanical connection or electrical connection or two elements, it can
To be to be connected directly, can also be indirectly connected by intermediary, it for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of the term.
As shown in Figs. 1-3, a kind of bowing turns to tractor, including front frame 1, Rear frame 2, engine 6, gearbox,
Two front side traveling wheels 3 for being installed on front frame 1 and two rear side traveling wheels 4 for being installed on Rear frame 2,1 rear end of front frame
Middle part and 2 front end of Rear frame middle part it is hinged by a vertical axis 5, engine 6 is sequentially connected with hydraulic pump 7, hydraulic pump 7
Hydraulic oil container is connected with, engine 6 is arranged in front frame 1, and driver's cabin is then arranged in Rear frame 2, the output shaft of engine 6
It is connected by universal joint with the gearbox transmission in driver's cabin, Rear frame 2 is equipped with what is be connected with hydraulic pump 7 and hydraulic oil container
Steering gear, steering gear by the steering wheel in steering spindle 8a connection driver's cabins and by the spinning movement of steering wheel pass to one with
One end of transverse axis 8e vertical steering spindle 8a, transverse axis 8e are connected with steering linkage 9, be horizontally installed in Rear frame 2 one it is hollow
Fixing pipe, be equipped with a rotatable interlocking bar 10 in fixing pipe, the both ends of interlocking bar 10 stretched out from fixing pipe and point
Left swing bar 11a and right swing rod 11b are not fixedly connected with, and left swing bar 11a and right swing rod 11b are vertical with interlocking bar 10, left swing bar
One end of 11a is hinged by left connecting rod 12a and steering linkage 9, and one end of right swing rod 11b passes through right connecting rod 12b and front frame 1
Right rear portion is hinged, and by steering wheel rotation, can make steering spindle 8a that transverse axis 8e be driven to rotate, and then swings steering linkage 9,
Steering linkage 9 pulls or promote left swing bar 11a so that right swing rod 11b is synchronously pulled or promoted, so that right swing rod 11b is pushed away
It is dynamic or pull right connecting rod 12b, finally under the pushing or pull on of right connecting rod 12b, entire front frame 1 drive front side traveling wheel 3 to
Left avertence turns or deflects to the right, so as to fulfill steering.
When the bowing steering tractor that the above embodiment provides is turned in the process of moving, pass through rotation direction
Disk so that steering spindle 8a is rotated, at this time due to transverse axis 8e and steering spindle 8a synchronous rotaries, so as to which steering linkage 9 driven to carry out
It swings, if steering wheel is beaten to the left or to the right, steering linkage 9 can be made to pull or promote left swing bar 11a, in the work of interlocking bar 10
Under, right swing rod 11b is synchronously swung with left swing bar 11a, and right connecting rod 12b can be subject to the promotion or drawing of right swing rod 11b at this time
It is dynamic, and then the power pushed or pull on is passed into front frame 1, the right rear portion of front frame 1 is promoted, and entire front frame 1 drives
Front side traveling wheel 3 is deflected, pulled to the left, and entire front frame 1 drives front side traveling wheel 3 to deflect to the right, so as to easily real
It turns now to, whole process operates very flexibly, and stability is preferable, especially when turning amplitude is larger, without again will
Steering wheel, which beats many number of turns, can quickly realize steering.
It should be noted that engine 6 is arranged in front frame 1 in the above embodiment, driver's cabin is arranged on rear car
It is a preferred scheme in the present embodiment on frame 2, driver's cabin can also be all disposed within together with engine 6 in front frame 1,
Or be all disposed within driver's cabin in Rear frame 2 together with engine 6, but if engine 6 and the position of driver's cabin are in respectively
When on two different vehicle frames, it is necessary to which that is mentioned in the manner described above connects the output shaft of engine 6 using universal joint
With the gearbox in driver's cabin, it is smoothed out turning to guarantee.
Further, steering gear includes the worm screw 8b coaxially connected with the steering spindle 8a and worm gear 8c being connected with worm screw 8b,
Worm gear 8c and worm screw 8b is arranged in a shell 8d, and shell 8d is equipped with oil inlet and oil outlet, and oil inlet passes through pipeline and liquid
The oil outlet end connection of press pump 7, oil outlet are connected with hydraulic oil container, and worm gear 8c and transverse axis 8e is sequentially connected.
Further, detachably installation there are one link block 13, is fixedly connected on link block 13 at the right rear portion of front frame 1
One end of bar portion 13a and bar portion 13a are hinged on one with one end of bar portion 13a towards rear, one end of right connecting rod 12b by axis pin
It rises, the power of right connecting rod 12b is passed to by front frame 1 by a link block 13, can be convenient for that junction is maintained and safeguarded,
And since link block 13 is dismountable, being also more convenient the later stage is replaced.
Further, left hydraulic cylinder and right hydraulic cylinder, the bottom of left hydraulic cylinder are additionally provided between front frame 1 and Rear frame 2
It is hinged with the left front portion of Rear frame 2, the top of left hydraulic cylinder telescopic rod is hinged with the left back portion of front frame 1, the bottom of right hydraulic cylinder
The right front portion with Rear frame 2 is held to be hinged, the top of right hydraulic cylinder extension bar is hinged with the right rear portion of front frame 1, also, left hydraulic pressure
The oil pocket of the oil pocket of cylinder and right hydraulic cylinder is by pipeline connection, and when the tractor is turned to, corresponding hydraulic cylinder can be passive
Ground carries out expanding-contracting action, since two hydraulic cylinders connect, without installing additional fuel tank again, when one of hydraulic cylinder extension bar
During elongation, another hydraulic cylinder extension bar then shortens, and vice versa, so by left hydraulic cylinder and right hydraulic cylinder by front frame 1
After being connected with Rear frame 2, when steering, can further improve the stability of entire tractor.
Further, the output shaft transmission of gearbox is also associated with transfer case 14, and transfer case 14 is equipped with front output shaft with after
Output shaft, front output shaft and rear output shaft are sequentially connected respectively with front side traveling wheel 3 and rear side traveling wheel 4, so as to it can realize before
Drive or rear-guard or the simultaneously power-supply change-over of front and rear drive especially when upward slope shows slightly and is short of power, can drive front side traveling wheel 3 simultaneously
With rear side traveling wheel 4 to improve power.
Preferably, front output shaft is connected with the drive shaft of front side traveling wheel 3 by cardan drive, rear output shaft with
The drive shaft of rear side traveling wheel 4 is connected by cardan drive, by universal joint connection the drive shaft being connected can be made same
Axis is set, in order to install each drive shaft with reference to the concrete structure of tractor, so as to by transfer case 14, gearbox together with driving
Room is sailed to be arranged on Rear frame 2 together or be arranged on transfer case 14, gearbox in front frame 1 together with driver's cabin.
In addition, in the present embodiment, more preferably, fixing pipe is welded in Rear frame 2, possess preferable secured
Property, and left connecting rod 12a and right connecting rod 12b is iron and surface is coated with antirust paint, the cost of raw material is relatively low.
Above-described embodiment is the preferable implementation of the present invention, and in addition, the present invention can be realized with other manner,
Do not depart from the technical program design on the premise of it is any it is obvious replacement within protection scope of the present invention.
In order to which those of ordinary skill in the art is allowed more easily to understand improvements of the present invention compared with the prior art, this
Some attached drawings of invention and description have been simplified, and for the sake of clarity, present specification is omitted some other members
Element, those of ordinary skill in the art should be aware that these elements omitted also may make up present disclosure.
Claims (9)
1. a kind of bowing turns to tractor, including front frame（1）, Rear frame（2）, engine（6）, gearbox, be installed on before
Vehicle frame（1）Two front side traveling wheels（3）And it is installed on Rear frame（2）Two rear side traveling wheels（4）, the front frame
（1）With Rear frame（2）It is hinged, it is characterised in that：The engine（6）It is sequentially connected with hydraulic pump（7）, the hydraulic pressure
Pump（7）It is connected with hydraulic oil container, the Rear frame（2）It is equipped with and hydraulic pump（7）And the steering gear of hydraulic oil container connection, institute
It states steering gear and passes through steering spindle（8a）The spinning movement of steering wheel is simultaneously passed to one and steering spindle by connection steering wheel（8a）It hangs down
Straight transverse axis（8e）, the transverse axis（8e）One end be connected with steering linkage（9）, the Rear frame（2）On be horizontally installed with one
Root hollow fixing pipe is equipped with a rotatable interlocking bar in the fixing pipe（10）, the interlocking bar（10）Both ends
It is stretched out from fixing pipe and has been respectively fixedly connected with left swing bar（11a）With right swing rod（11b）, the left swing bar（11a）With right pendulum
Bar（11b）And interlocking bar（10）Vertically, the left swing bar（11a）One end pass through left connecting rod（12a）With steering linkage（9）Hinge
It connects, the right swing rod（11b）One end pass through right connecting rod（12b）With front frame（1）Right rear portion be hinged, pass through rotation direction
Disk can make the steering spindle（8a）Drive transverse axis（8e）It rotates, and then makes the steering linkage（9）It swings, the steering
Pull rod（9）Pull or promote left swing bar（11a）So that right swing rod（11b）It is synchronously pulled or is promoted, so that the right pendulum
Bar（11b）Push or pull on right connecting rod（12b）, finally in the right connecting rod（12b）Pushing or pull under, the entire front truck
Frame（1）Drive front side traveling wheel（3）It deflects or deflects to the right to the left, so as to fulfill steering.
2. bowing according to claim 1 turns to tractor, it is characterised in that：The steering gear includes and steering spindle
（8a）Coaxially connected worm screw（8b）And with the worm screw（8b）The worm gear of connection（8c）, the worm gear（8c）With worm screw（8b）
It is arranged on a shell（8d）In, the shell（8d）Equipped with oil inlet and oil outlet, the oil inlet passes through pipeline and hydraulic pressure
Pump（7）Oil outlet end connection, the oil outlet connects with hydraulic oil container, the worm gear（8c）With transverse axis（8e）It is sequentially connected.
3. bowing according to claim 1 turns to tractor, it is characterised in that：The front frame（1）Right rear portion can
Link block there are one removing and installing（13）, the link block（13）On be fixedly connected with bar portion（13a）And the bar portion（13a）'s
One end is towards rear, the right connecting rod（12b）One end and bar portion（13a）One end it is hinged by axis pin.
4. bowing according to claim 1 turns to tractor, it is characterised in that：The front frame（1）With Rear frame（2）
Between be additionally provided with left hydraulic cylinder and right hydraulic cylinder, the bottom of the left hydraulic cylinder and Rear frame（2）Left front portion be hinged, the left side
The top of hydraulic cylinder extension bar and front frame（1）Left back portion be hinged, the bottom of the right hydraulic cylinder and Rear frame（2）The right side before
Portion is hinged, the top of the right hydraulic cylinder extension bar and front frame（1）Right rear portion be hinged, the oil pocket of the left hydraulic cylinder with it is right
The oil pocket of hydraulic cylinder passes through pipeline connection.
5. bowing according to claim 1 turns to tractor, it is characterised in that：The output shaft transmission of the gearbox connects
It is connected to transfer case（14）, the transfer case（14）Equipped with front output shaft and rear output shaft, the front output shaft and rear output shaft point
Not with front side traveling wheel（3）With rear side traveling wheel（4）It is sequentially connected, for realizing forerunner or rear-guard or front and rear drive simultaneously
Power-supply change-over.
6. bowing according to claim 5 turns to tractor, it is characterised in that：The front output shaft and front side traveling wheel
（3）Drive shaft connected by cardan drive；The rear output shaft and rear side traveling wheel（4）Drive shaft passed by universal joint
Dynamic connection.
7. bowing according to claim 1 turns to tractor, it is characterised in that：The engine（6）Output shaft is with becoming
Fast case is connected by cardan drive.
8. bowing according to claim 1 turns to tractor, it is characterised in that：The fixing pipe is welded on Rear frame
（2）On.
9. bowing according to claim 1 turns to tractor, it is characterised in that：The left connecting rod（12a）With right connecting rod
（12b）It is iron and surface is coated with antirust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069893.3A CN108082270B (en) | 2018-01-24 | 2018-01-24 | Articulated steering tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069893.3A CN108082270B (en) | 2018-01-24 | 2018-01-24 | Articulated steering tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108082270A true CN108082270A (en) | 2018-05-29 |
| CN108082270B CN108082270B (en) | 2024-02-02 |
Family
ID=62181746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810069893.3A Active CN108082270B (en) | 2018-01-24 | 2018-01-24 | Articulated steering tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108082270B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232884A (en) * | 2021-06-30 | 2021-08-10 | 哈尔滨理工大学 | Device for limiting bending angle of shipboard aircraft traction system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB295726A (en) * | 1927-08-19 | 1929-08-15 | Emmanuel Louis Francois Marie | Improvements relating to agricultural machines or implements having mechanical traction |
| CN2041277U (en) * | 1988-01-28 | 1989-07-19 | 湖南汽车车桥厂 | Multifunction small tractor capable of changing direction by bowing |
| CN2666774Y (en) * | 2003-12-17 | 2004-12-29 | 任长海 | Multipurpose agricultural three-wheel cart |
| CN103144539A (en) * | 2013-03-14 | 2013-06-12 | 广西澜光科技有限公司 | Four-wheel-drive bow-type steering multipurpose tractor |
| CN203246530U (en) * | 2013-05-31 | 2013-10-23 | 赵子国 | Front single wheel steering three-wheel farm tractor |
| US20140291962A1 (en) * | 2013-03-28 | 2014-10-02 | Joseph P. Jamieson | Automated axle steering control system |
| CN204150101U (en) * | 2014-06-20 | 2015-02-11 | 长沙桑铼特农业机械设备有限公司 | A kind of articulated steering system and trac. |
| CN207773220U (en) * | 2018-01-24 | 2018-08-28 | 黄昭斌 | A kind of bowing steering tractor |
-
2018
- 2018-01-24 CN CN201810069893.3A patent/CN108082270B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB295726A (en) * | 1927-08-19 | 1929-08-15 | Emmanuel Louis Francois Marie | Improvements relating to agricultural machines or implements having mechanical traction |
| CN2041277U (en) * | 1988-01-28 | 1989-07-19 | 湖南汽车车桥厂 | Multifunction small tractor capable of changing direction by bowing |
| CN2666774Y (en) * | 2003-12-17 | 2004-12-29 | 任长海 | Multipurpose agricultural three-wheel cart |
| CN103144539A (en) * | 2013-03-14 | 2013-06-12 | 广西澜光科技有限公司 | Four-wheel-drive bow-type steering multipurpose tractor |
| US20140291962A1 (en) * | 2013-03-28 | 2014-10-02 | Joseph P. Jamieson | Automated axle steering control system |
| CN203246530U (en) * | 2013-05-31 | 2013-10-23 | 赵子国 | Front single wheel steering three-wheel farm tractor |
| CN204150101U (en) * | 2014-06-20 | 2015-02-11 | 长沙桑铼特农业机械设备有限公司 | A kind of articulated steering system and trac. |
| CN207773220U (en) * | 2018-01-24 | 2018-08-28 | 黄昭斌 | A kind of bowing steering tractor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232884A (en) * | 2021-06-30 | 2021-08-10 | 哈尔滨理工大学 | Device for limiting bending angle of shipboard aircraft traction system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108082270B (en) | 2024-02-02 |
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