CN110001802A - A kind of energy saving and environment friendly electric tractor - Google Patents
A kind of energy saving and environment friendly electric tractor Download PDFInfo
- Publication number
- CN110001802A CN110001802A CN201910325697.2A CN201910325697A CN110001802A CN 110001802 A CN110001802 A CN 110001802A CN 201910325697 A CN201910325697 A CN 201910325697A CN 110001802 A CN110001802 A CN 110001802A
- Authority
- CN
- China
- Prior art keywords
- fuselage
- chassis
- energy saving
- environment friendly
- battery group
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 2
- 244000001591 balata Species 0.000 description 1
- 235000016302 balata Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D51/00—Motor vehicles characterised by the driver not being seated
- B62D51/04—Motor vehicles characterised by the driver not being seated the driver walking
-
- 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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
Abstract
The invention discloses a kind of energy saving and environment friendly electric tractors, including fuselage and chassis, the side of fuselage is equipped with station, the side of station is equipped with instrument board, the top of station is equipped with the hand rod being flexibly connected by stud, hand rod top side is equipped with handle, the bottom of handle is equipped with brake, the side of fuselage is equipped with battery compartment, the inside of battery compartment is equipped with battery group, the side of battery group is equipped with power supply adaptor, the bottom of power supply adaptor is equipped with charger, the lateral surface of charger offers the surface that charge port exposes to fuselage, and power supply adaptor, charger and instrument board are electrically connected with battery group；Chassis is installed on the bottom of fuselage, the bottom on chassis is equipped with car body connecting rod, chassis bottom end side is equipped with one group of driving wheel, with overcoming the problems, such as that existing hand tractor volume is larger, compact is easier to manipulate and store, the advantages of suitable for wider working scene, replaces conventional gasoline diesel driven using electric energy, is more energy-saving and environmentally friendly.
Description
Technical field
The present invention relates to tractor technical fields, are especially a kind of energy saving and environment friendly electric tractor.
Background technique
Used with tractor is in the self-propelled motor machine for drawing and driving Work machine to complete every mobile operation.It can also consolidate
It is set for industry power.By engine, transmission, walking, steering, hydraulic suspension, power output, electrical instrumentation, riding manipulation and traction
Etc. systems or device composition, engine power is transmitted to driving wheel by transmission system, travels tractor, common in actual life
Be all the medium transmitted using balata belt as power.By the tractors such as function and purposes point agricultural, industry and specific use；
By structure type minute wheel formula, crawler type, boat tractor and self propelled chassis etc., tractor is in being widely used agriculturally at present
General, tractor volume is all bigger, although hand tractor is famous with small and exquisite feature, can structure it is simple, power compared with
It is small, it is suitable for fritter and ploughs, helps arm-rest frame control operating mechanism, traction or driving matched farm tool to carry out operation by driver, so
And in order to guarantee that driving force and tractive force, actual volume are also bigger, therefore how to reduce the volume of hand tractor,
Make hand tractor be easier to manipulate and be applicable in wider working scene and become us to solve the problems, such as required for now.
Summary of the invention
Therefore, in order to solve above-mentioned deficiency, the present invention provides a kind of energy saving and environment friendly electric tractor herein, have gram
The larger problem of existing hand tractor volume is taken, compact is easier to manipulate and store, and is suitable for wider working scene
The advantages of, conventional gasoline diesel driven is replaced using electric energy, is more energy-saving and environmentally friendly.
The invention is realized in this way constructing a kind of energy saving and environment friendly electric tractor, including fuselage and chassis, fuselage
Side be equipped with station, the side of station is equipped with instrument board, and the top of station is equipped with the hand being flexibly connected by stud
Handrail, hand rod top side are equipped with handle, and the bottom of handle is equipped with brake, and the side of fuselage is equipped with battery compartment, battery
The inside in storehouse is equipped with battery group, and the side of battery group is equipped with power supply adaptor, and the bottom of power supply adaptor is equipped with charging
Device, the lateral surface of charger offer the surface that charge port exposes to fuselage, and power supply adaptor, charger and instrument board with
Battery group is electrically connected；Chassis is installed on the bottom of fuselage, and the bottom on chassis is equipped with car body connecting rod, the installation of chassis bottom end side
There is one group of driving wheel, driving wheel includes tire, steel ring and hub motor, and tire is set to the outer surface of steel ring, and hub motor is solid
Dingan County is loaded on the inside of steel ring, and hub motor is flexibly connected with chassis by car body connecting rod, and the side of steel ring is equipped with brake block,
And hub motor and battery group are electrically connected；The adjacent side of driving wheel is equipped with a pair of of directive wheel, and the side of directive wheel is equipped with outstanding
Drop in beam, hanging beam top side, which is equipped with, turns to drive rod, turns to drive rod and is fixedly connected with hand rod, and hanging beam and steering are driven
Bar is flexibly connected by being set to the tooth sector at the top of hanging beam；The side of driving wheel is equipped with rear baffle, the side of directive wheel
Equipped with front apron, rear baffle and front apron are fixed by screws with chassis.
Further, the middle position on hanging beam and chassis, which is fixed, damping spring, and damping spring is nested in suspension
Liang Shang.Reduce the vibration in tractor traveling by the damping spring of setting, drives steering drive rod to make directive wheel in hand rod
Car body is completed in rotation process to turn to, since car body uses electric drive mode, example needed for saving traditional combustion engine driving
Such as exhaust system, generator, warmer component can simplify body structure significantly, reduce body construction size, and drive
Hub motor used by taking turns is embedded in wheel, and power, transmission and brake apparatus are all integrated into wheel hub, therefore will be dragged
The mechanical driving part of machine drawing greatly simplifies, and further reduces the volume and weight of tractor, compact be easier to manipulation and
Storage is suitable for wider working scene.
Further, the side of fuselage is equipped with anticollision barrier, and anticollision barrier is bolted to connection with fuselage.It is logical
The anticollision barrier for crossing setting reinforces the crashworthiness of fuselage.
Further, the side of fuselage is equipped with headlamp, and headlamp and battery group are electrically connected.Pass through the electric power storage of setting
Pond group provides working power to various devices.
Further, the adjacent side of rear baffle is equipped with pedal, and pedal is fixed by bolts in the bottom on chassis.Pass through setting
Pedal in the case where this kind of hand tractor lighter in weight, can preferably be controlled convenient for users to riding by pedal.
Further, the top of fuselage is equipped with storage box, and storage box is connected through hinge activity with fuselage, and storage box
Side is equipped with cam lock.Facilitate placement article by the storage box of setting.
The present invention has the advantages that compared with existing electric tractor
The middle position of hanging beam and chassis of the invention is fixed and has damping spring, and damping spring is nested in hanging beam.
Reduce the vibration in tractor traveling by the damping spring of setting, drives steering drive rod to rotate directive wheel in hand rod
Car body is completed in journey to turn to, since car body uses electric drive mode, such as exhaust needed for saving traditional combustion engine driving
The components such as system, generator, warmer can simplify body structure significantly, reduce body construction size, and driving wheel is adopted
Hub motor is embedded in wheel, and power, transmission and brake apparatus are all integrated into wheel hub, therefore by tractor
Mechanical driving part greatly simplifies, and further reduces the volume and weight of tractor, and compact is easier to manipulate and store, fits
For wider working scene, conventional gasoline diesel driven, and more energy conservation and environmental protection are replaced using electric energy.
Detailed description of the invention
Fig. 1 is a kind of energy saving and environment friendly electric tractor structural schematic diagram of the present invention；
Fig. 2 is a kind of internal structure chart of energy saving and environment friendly electric tractor of the present invention；
Fig. 3 is a kind of driving wheel cross-sectional view of energy saving and environment friendly electric tractor of the present invention.
Serial number as shown in the figure: fuselage 1, chassis 2, directive wheel 3, hanging beam 4, damping spring 5, anticollision barrier 6, headlamp 7,
Front apron 8, driving wheel 9, rear baffle 10, pedal 11, battery compartment 12, charge port 13, storage box 14, cam lock 15, station 16,
Instrument board 17, handle 19, brake 20, battery group 21, power supply adaptor 22, charger 23, turns to drive rod at hand rod 18
24, tooth sector 25, tire 26, steel ring 27, hub motor 28, brake block 29 and car body connecting rod 30.
Specific embodiment
Below in conjunction with attached Figure of description, the present invention is described in detail, technical solution in the embodiment of the present invention
It is clearly and completely described.
As illustrated in the accompanying drawings from 1 to 3, a kind of energy saving and environment friendly electric tractor, including fuselage 1 and chassis 2, the side of fuselage 1
Equipped with station 16, the side of station 16 is equipped with instrument board 17, and the top of station 16 is equipped with to be flexibly connected by stud
Hand rod 18,18 top side of hand rod are equipped with handle 19, and the bottom of handle 19 is equipped with brake 20, and the side of fuselage 1 is set
There is battery compartment 12, the inside of battery compartment 12 is equipped with battery group 21, and the side of battery group 21 is equipped with power supply adaptor 22, power supply
The bottom of adapter 22 is equipped with charger 23, and the lateral surface of charger 23 offers the surface that charge port 13 exposes to fuselage 1,
And power supply adaptor 22, charger 23 and instrument board 17 are electrically connected with battery group 21；Chassis 2 is installed on the bottom of fuselage 1
Portion, the bottom on chassis 2 are equipped with car body connecting rod 30, and 2 bottom end side of chassis is equipped with one group of driving wheel 9, and driving wheel 9 includes tire
26, steel ring 27 and hub motor 28, tire 26 are set to the outer surface of steel ring 27, and hub motor 28 is fixedly installed in steel ring 27
Inside, hub motor 28 are flexibly connected with chassis 2 by car body connecting rod 30, and the side of steel ring 27 is equipped with brake block 29, and takes turns
Hub motor 28 and battery group 21 are electrically connected；The adjacent side of driving wheel 9 is equipped with a pair of of directive wheel 3, and the side of directive wheel 3 is equipped with
Hanging beam 4,4 top side of hanging beam, which is equipped with, turns to drive rod 24, turns to drive rod 24 and is fixedly connected with hand rod 18, hanging beam
4 are flexibly connected with steering drive rod 24 by being set to the tooth sector 25 at 4 top of hanging beam；After the side of driving wheel 9 is equipped with
The side of baffle 10, directive wheel 3 is equipped with front apron 8, and rear baffle 10 and front apron 8 are fixed by screws with chassis 2.
In the present invention, the middle position on hanging beam 4 and chassis 2, which is fixed, damping spring 5, and damping spring 5 is nested in
In hanging beam 4.Reduce the vibration in tractor traveling by the damping spring 5 of setting, is driven in hand rod 18 and turn to drive rod
24 make to complete car body steering in 3 rotation process of directive wheel, since car body uses electric drive mode, save traditional combustion engine drive
Body structure can be simplified significantly by moving the required component such as exhaust system, generator, warmer, and it is big to reduce body construction
It is small, and hub motor 28 used by driving wheel 9 is embedded in wheel, and power, transmission and brake apparatus are all integrated into
In wheel hub, therefore the mechanical driving part of tractor is greatly simplified, further reduces the volume and weight of tractor, volume
It is small and exquisite to be easier to manipulate and store, it is suitable for wider working scene；
The side of fuselage 1 is equipped with anticollision barrier 6, and anticollision barrier 6 is bolted to connection with fuselage 1.Pass through the anti-of setting
Hit the crashworthiness that guardrail 6 reinforces fuselage 1；
The side of fuselage 1 is equipped with headlamp 7, and headlamp 7 and battery group 21 are electrically connected.By the battery group 21 of setting to
Various devices provide working power；
The adjacent side of rear baffle 10 is equipped with pedal 11, and pedal 11 is fixed by bolts in the bottom on chassis 2.Pass through the pedal 11 of setting
Convenient for users to foot-operated, in the case where this kind of hand tractor lighter in weight, can preferably be controlled by pedal 11；
The top of fuselage 1 is equipped with storage box 14, and storage box 14 is connected through hinge activity with fuselage 1, and the side of storage box 14
Cam lock 15 is installed.Facilitate placement article by the storage box 14 of setting.
For the present invention when specifically used, the side of fuselage 1 is equipped with station 16, and the side of fuselage 1 is equipped with battery compartment 12, electricity
The inside in pond storehouse 12 is equipped with battery group 21, and the side of battery group 21 is equipped with power supply adaptor 22, the bottom of power supply adaptor 22
Portion is equipped with charger 23, and the lateral surface of charger 23 offers the surface that charge port 13 exposes to fuselage 1, and power supply adaptor
22, charger 23 and instrument board 17 are electrically connected with battery group 21, and chassis 2 is installed on the bottom of fuselage 1, the bottom on chassis 2
Portion is equipped with car body connecting rod 30, and 2 bottom end side of chassis is equipped with one group of driving wheel 9, and driving wheel 9 includes tire 26, steel ring 27 and wheel
Hub motor 28, tire 26 are set to the outer surface of steel ring 27, and hub motor 28 is fixedly installed in the inside of steel ring 27, hub motor
28 are flexibly connected with chassis 2 by car body connecting rod 30, and the side of steel ring 27 is equipped with brake block 29, and hub motor 28 and electric power storage
Pond group 21 is electrically connected, and provides working power by battery group 21, and the adjacent side of driving wheel 9 is equipped with a pair of of directive wheel 3, is oriented to
The side of wheel 3 is equipped with hanging beam 4, and 4 top side of hanging beam, which is equipped with, turns to drive rod 24, turns to drive rod 24 and hand rod 18 is solid
Fixed connection, hanging beam 4 is flexibly connected with steering drive rod 24 by being set to the tooth sector 25 at 4 top of hanging beam, hand steered
Bar 18 drives steering drive rod 24 to make to complete car body steering in 3 rotation process of directive wheel, since car body uses electric drive mode,
The component such as exhaust system, generator, warmer needed for saving traditional combustion engine driving can simplify vehicle body knot significantly
Structure, reduce body construction size, and hub motor 28 used by driving wheel 9 be embedded in wheel in, by power, transmission and
Brake apparatus is all integrated into wheel hub, therefore the mechanical driving part of tractor is greatly simplified, and further reduces tractor
Volume and weight, compact be easier to manipulate and store, be suitable for wider working scene.
Claims (6)
1. a kind of energy saving and environment friendly electric tractor, including fuselage (1) and chassis (2), it is characterised in that: the fuselage (1)
Side be equipped with station (16), the side of the station (16) is equipped with instrument board (17), the top of the station (16)
Equipped with the hand rod (18) being flexibly connected by stud, hand rod (18) the top side is equipped with handle (19), the handle
(19) bottom is equipped with brake (20), and the side of the fuselage (1) is equipped with battery compartment (12), the battery compartment (12) it is interior
Portion is equipped with battery group (21), and the side of the battery group (21) is equipped with power supply adaptor (22), the power supply adaptor
(22) bottom is equipped with charger (23), and the lateral surface of the charger (23) offers charge port (13) and exposes to fuselage
(1) surface, and the power supply adaptor (22), charger (23) and instrument board (17) are electrical with the battery group (21)
Connection；The chassis (2) is installed on the bottom of the fuselage (1), and the bottom of the chassis (2) is equipped with car body connecting rod (30), institute
It states chassis (2) bottom end side and one group of driving wheel (9) is installed, the driving wheel (9) includes tire (26), steel ring (27) and wheel hub
Motor (28), the tire (26) are set to the outer surface of the steel ring (27), and the hub motor (28) is fixedly installed in institute
The inside of steel ring (27) is stated, the hub motor (28) is flexibly connected with the chassis (2) by car body connecting rod (30), the steel
The side of circle (27) is equipped with brake block (29), and the hub motor (28) and battery group (21) are electrically connected；The drive
The adjacent side of driving wheel (9) is equipped with a pair of of directive wheel (3), and the side of the directive wheel (3) is equipped with hanging beam (4), the hanging beam
(4) top side, which is equipped with, turns to drive rod (24), and the steering drive rod (24) is fixedly connected with hand rod (18), the suspension
Beam (4) is flexibly connected with steering drive rod (24) by being set to the tooth sector (25) at the top of hanging beam (4)；The driving wheel
(9) side is equipped with rear baffle (10), and the side of the directive wheel (3) is equipped with front apron (8), the rear baffle (10) and front
Plate (8) is fixed by screws with the chassis (2).
2. a kind of energy saving and environment friendly electric tractor according to claim 1, it is characterised in that: the hanging beam (4) and
The middle position on chassis (2), which is fixed, to be had damping spring (5), and the damping spring (5) is nested on hanging beam (4).
3. a kind of energy saving and environment friendly electric tractor according to claim 1, it is characterised in that: the one of the fuselage (1)
Side is equipped with anticollision barrier (6), and the anticollision barrier (6) is bolted to connection with the fuselage (1).
4. a kind of energy saving and environment friendly electric tractor according to claim 1, it is characterised in that: the side of the fuselage (1)
Face is equipped with headlamp (7), and the headlamp (7) and the battery group (21) are electrically connected.
5. a kind of energy saving and environment friendly electric tractor according to claim 1, it is characterised in that: the rear baffle (10)
Adjacent side is equipped with pedal (11), and the pedal (11) is fixed by bolts in the bottom of the chassis (2).
6. a kind of energy saving and environment friendly electric tractor according to claim 1, it is characterised in that: the top of the fuselage (1)
Portion is equipped with storage box (14), and the storage box (14) is connected through hinge activity with fuselage (1), and the one of the storage box (14)
Side is equipped with cam lock (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325697.2A CN110001802A (en) | 2019-04-22 | 2019-04-22 | A kind of energy saving and environment friendly electric tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325697.2A CN110001802A (en) | 2019-04-22 | 2019-04-22 | A kind of energy saving and environment friendly electric tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110001802A true CN110001802A (en) | 2019-07-12 |
Family
ID=67173555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910325697.2A Pending CN110001802A (en) | 2019-04-22 | 2019-04-22 | A kind of energy saving and environment friendly electric tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110001802A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112840758A (en) * | 2019-11-26 | 2021-05-28 | 浙江挺能胜机械有限公司 | Miniature intelligent boat-shaped tractor with rotary tillage |
| CN112849256A (en) * | 2020-12-31 | 2021-05-28 | 宿州学院 | Steering mechanism of small agricultural crawler tractor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2433153Y (en) * | 2000-06-21 | 2001-06-06 | 李万林 | Steering gear of hand tractor |
| CN1524405A (en) * | 2003-02-27 | 2004-09-01 | 高名和 | Cultivator |
| US20050103541A1 (en) * | 2003-07-29 | 2005-05-19 | Larry Nelson | Mobile trailer hitching apparatus |
| CN201179901Y (en) * | 2008-04-10 | 2009-01-14 | 曹景文 | Double-tail wheel apparatus of hand tractor |
| EP2607209A1 (en) * | 2011-12-23 | 2013-06-26 | Rapid Technic AG | Self-propelled work machine with at least one axle for operating and/or transporting attached work devices or attached vehicles |
| CN203407149U (en) * | 2013-08-12 | 2014-01-29 | 郭玉泽 | Single-plough type hand cultivator |
| CN105165258A (en) * | 2015-08-10 | 2015-12-23 | 广西北流市智创科技开发有限公司 | Mobile-type Lycium chinense harvester |
| CN108128189A (en) * | 2017-12-25 | 2018-06-08 | 东风农业装备（襄阳）有限公司 | Tractor and its method of work with fuel cell |
| CN208411856U (en) * | 2018-07-02 | 2019-01-22 | 山东中叉重工机械有限公司 | Three pivot electric forklift steering mechanism |
-
2019
- 2019-04-22 CN CN201910325697.2A patent/CN110001802A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2433153Y (en) * | 2000-06-21 | 2001-06-06 | 李万林 | Steering gear of hand tractor |
| CN1524405A (en) * | 2003-02-27 | 2004-09-01 | 高名和 | Cultivator |
| US20050103541A1 (en) * | 2003-07-29 | 2005-05-19 | Larry Nelson | Mobile trailer hitching apparatus |
| CN201179901Y (en) * | 2008-04-10 | 2009-01-14 | 曹景文 | Double-tail wheel apparatus of hand tractor |
| EP2607209A1 (en) * | 2011-12-23 | 2013-06-26 | Rapid Technic AG | Self-propelled work machine with at least one axle for operating and/or transporting attached work devices or attached vehicles |
| CN203407149U (en) * | 2013-08-12 | 2014-01-29 | 郭玉泽 | Single-plough type hand cultivator |
| CN105165258A (en) * | 2015-08-10 | 2015-12-23 | 广西北流市智创科技开发有限公司 | Mobile-type Lycium chinense harvester |
| CN108128189A (en) * | 2017-12-25 | 2018-06-08 | 东风农业装备（襄阳）有限公司 | Tractor and its method of work with fuel cell |
| CN208411856U (en) * | 2018-07-02 | 2019-01-22 | 山东中叉重工机械有限公司 | Three pivot electric forklift steering mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112840758A (en) * | 2019-11-26 | 2021-05-28 | 浙江挺能胜机械有限公司 | Miniature intelligent boat-shaped tractor with rotary tillage |
| CN112849256A (en) * | 2020-12-31 | 2021-05-28 | 宿州学院 | Steering mechanism of small agricultural crawler tractor |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190712 |