CN201479594U - Multifunctional high efficiency harvester - Google Patents
Multifunctional high efficiency harvester Download PDFInfo
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- CN201479594U CN201479594U CN2009201699037U CN200920169903U CN201479594U CN 201479594 U CN201479594 U CN 201479594U CN 2009201699037 U CN2009201699037 U CN 2009201699037U CN 200920169903 U CN200920169903 U CN 200920169903U CN 201479594 U CN201479594 U CN 201479594U
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- transmission mechanism
- shaft
- saw disc
- clutch
- diesel engine
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Abstract
The utility model relates to a multifunctional high efficiency harvester comprising an operation rod, a stander, travelling wheels, a diesel engine, a slitting disc and a harvest operating rod. A rear axle differential is mounted between two travelling wheels; the power input end of the rear axle differential is in transmission connection with an output shaft of the diesel engine through a travelling transmission mechanism; the slitting disc is rotatably mounted at the front end of a slitting disc transmission mechanism; the rear end of the slitting disc transmission mechanism is rotatably connected with the front end of the stander through a longitudinal shaft; the rear end of the slitting disc transmission mechanism is in transmission connection with the output shaft of the diesel engine through a universal connector and a slitting disc clutch; and the front end of the harvest operating rod is connected with the rear end of the slitting disc transmission mechanism. The multifunctional high efficiency harvester has the characteristics of compact structure, light weight, small volume, simple operation, convenient transferring between fields, cleaning harvest, high production efficiency, safety, reliability, wide adaptability, simple and convenient maintenance and the like, and is suitable for sericulture farmers, cane plantation farmers and the like, especially suitable for families mainly doing sericulture and cane plantation and special service teams.
Description
Technical field
The utility model relates to a kind of multifunctional efficient grain header, the felling of crops such as be mainly used in sericulture, grow cane.
Background technology
The primary structure of prior art comprises push rod, handrail, frame, road wheel, engine, saw disc and action bars, and two road wheels are rotatably installed in the two ends of frame, and an end of push rod is connected with frame, and the other end of this push rod is connected with handrail; Slide and pass in the sleeve pipe in the front portion of action bars, this sleeve water is flatted turn and is automatically connected on the described frame, front end at described action bars is equipped with saw disc, and the axle of this saw disc is connected with the power take-off of engine by transmission mechanism, and this engine is installed on the described frame; In the rear end of described action bars the operation handrail is housed.Its shortcoming that prior art exists is:
1, the walking of road wheel promotes by manpower, and labour intensity is big, inefficiency;
2, engine transmits power by flexible axle to saw disc, and the loss of power is big, damages easily;
3, the power drive mechanism of saw disc does not have clutch, inconvenient operation;
4, engine and frame, the whole swing of saw disc, the difficulty of turning is operated dumb.
Summary of the invention
The purpose of this utility model just provides a kind of multifunctional efficient grain header, promotes by manpower with the walking that solves the road wheel that prior art exists, and labour intensity is big, inefficiency; Engine transmits power by flexible axle to saw disc, and the loss of power is big, damages easily; The power drive mechanism of saw disc does not have clutch, and the inconvenient operation and the difficulty of turning are operated inflexible problem.
The technical solution of the utility model is: comprise operation bar, frame, road wheel, diesel engine, saw disc and harvesting action bars, the front end of two operation bars is connected with frame, and the rear end of this operation bar is provided with handrail; Diesel engine is installed on the frame, it is characterized in that: between two described road wheels rear axle differential is housed, the power input shaft of this rear axle differential is in transmission connection by the output shaft of walking transmission mechanism and described diesel engine, is provided with Traction clutch on this walking transmission mechanism; Described saw disc is installed in the front end of a saw disc transmission mechanism rotationally, the rear end of this saw disc transmission mechanism is rotatably connected on the front end of described frame below by longitudinal axis, and the power intake of this saw disc transmission mechanism rear end is in transmission connection by the output shaft of joint coupling and saw disc clutch and described diesel engine; The front end of described harvesting action bars is connected with the rear end of saw disc transmission mechanism, and the rear end of this harvesting action bars extends rearward near the handrail top of described operation bar from the top of described diesel engine.
Described saw disc clutch comprises initiatively outer dish, active cone, driven cone, stage clip, shift fork, declutch lever, shift fork mounting bracket, initiatively an end of outer dish is connected with the power take-off of described diesel engine is coaxial, this is the inner peripheral surface installation active cone of the circular groove of the other end of outer dish initiatively, taper seat in this active cone cooperates the driven cone of installation, the centre bore of this driven cone is slidingly connected by spline and central shaft, and this central shaft is installed on the described frame by a clutch support; Outside the central shaft between this driven cone and clutch support stage clip is housed, end in this driven cone is equipped with shift fork, this shift fork is connected with an end of declutch lever, and the fulcrum of this declutch lever is rotatably connected on the shift fork mounting bracket, and this shift fork mounting bracket is connected with described frame; The other end of this declutch lever is connected with saw disc clutch handle on being installed in described operation bar handrail by backguy.
Described saw disc transmission mechanism comprises shell, power transmission shaft, active conical gear and driven bevel gear, power transmission shaft is installed in the tubular housing, the front end of this power transmission shaft is installed initiatively conical gear, this active conical gear and driven bevel gear are meshing with each other and are rotatably installed in the front end of this shell, and the axially downwardly extending of this driven bevel gear goes out shell and is connected with described saw disc; The rear end of this power transmission shaft is connected with the front end of described joint coupling; Hinged with the upper end of described longitudinal axis below the rear end of this shell, the lower end of this longitudinal axis is connected on the described frame by bearing and bearing block.
Described walking transmission mechanism comprises walking transmission mechanism shell, power input shaft, train of reduction gears, output shaft and Traction clutch, train of reduction gears and output shaft are in transmission connection power input shaft in the walking transmission mechanism shell by being installed in, driven pulley is equipped with in outer end at this power input shaft, on the power take-off of described diesel engine drive pulley is housed, this drive pulley is in transmission connection by belt and this driven pulley; Between described train of reduction gears and output shaft Traction clutch is housed, the control end of this Traction clutch is connected with walking clutch handle on being installed in described operation bar handrail by backguy.
The power input shaft of described rear axle differential and the output shaft of described walking transmission mechanism are a shared power transmission shaft, the outer end of this shared power transmission shaft is provided with screw rod, the part that is close to this screw rod is a splined shaft, penetrate described rear axle differential place at this shared power transmission shaft and be provided with the axle sleeve of fixedlying connected with this rear axle differential shell, the outer peripheral face in the close outer end of this axle sleeve is provided with annular groove.
At the hinged feet of the front end of described frame, between this feet and frame, be connected an extension spring, this feet is connected by feet backguy and feet on the being installed in described operation handrail operating grip that rises and falls.
Above described saw disc, be provided with leading truck.
The utlity model has compact conformation, in light weight, volume is little, field simple to operate convenient transfer, characteristics such as cutting is clean, productivity ratio is high, safe and reliable, wide adaptability, whole maintenance are easy, peasant household such as be fit to vast sericulture, grow cane especially is fit to breed silkworms, sugarcane rich and influential family and professional service team use.
Description of drawings
Fig. 1 is the side schematic view of general structure of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the combining structure schematic diagram of road wheel of the present utility model, rear axle differential and walking transmission mechanism;
Fig. 4 is the structural representation of rear axle differential of the present utility model and power input shaft thereof;
Fig. 5 is the axial cutaway view of saw disc clutch of the present utility model;
Fig. 6 be among Fig. 5 C to view;
Fig. 7 is the B-B cutaway view of Fig. 5;
Fig. 8 is the structural representation of saw disc transmission mechanism of the present utility model;
Fig. 9 is the example structure schematic diagram of walking transmission mechanism of the present utility model;
Figure 10 is the right view (part) of Fig. 9.
Embodiment
Referring to Fig. 1～Fig. 4, the utility model comprises that the front end of operation bar 1, frame 8, road wheel 11, diesel engine 3, saw disc 14 and 5, two operation bars 1 of harvesting action bars is connected with the rear end of frame 8, and the rear end of this operation bar 1 is provided with handrail 20.Diesel engine 3 is installed on the frame 8.Water tank 2 is housed above frame 8.It is characterized in that: between two described road wheels 11 rear axle differential 21 is housed, this rear axle differential 21 is conventional planetary differential wheel train structure, and its two ends are connected with two road wheels 11 by semi-shaft equipment 10 respectively.The power input shaft of this rear axle differential 21 (is shared power transmission shaft, form by the screw rod 27 of outer end and the splined shaft 26 of root, detailed description in addition below) output shaft by walking transmission mechanism 4 and described diesel engine 3 (is the central shaft of flywheel 31, referring to Fig. 1) be in transmission connection, on this walking transmission mechanism 4, be provided with Traction clutch (this walking transmission mechanism 4 has detailed description in the back).Described saw disc 14 is installed in the front end of a saw disc transmission mechanism 7 rotationally, the rear end of this saw disc transmission mechanism 7 is rotatably connected on the front end of described frame 8 below by longitudinal axis 76 (referring to Fig. 8), and the power intake of the rear end of this saw disc transmission mechanism 7 is in transmission connection by joint coupling 18 (referring to Fig. 5) and saw disc clutch 6 output shaft with described diesel engine 3.The front end of described harvesting action bars 5 is connected with the rear end of saw disc transmission mechanism 7, and the rear end of this harvesting action bars 5 extends rearward near the handrail top of described operation bar 1, with handled easily from the top of described diesel engine 3.Above described saw disc 14, be provided with leading truck 13.
At the hinged feet 9 of the front end of described frame 8, between this feet 9 and frame 8, be connected an extension spring, this feet 9 is connected by feet backguy and feet on the being installed in described operation bar 1 handrail operating grip 24 that rises and falls.Feet 9 can be put down (during not operation) or pack up (during operation) by the feet operating grip 24 that rises and falls.
The utility model diesel engine 3 can adopt 2.94 kilowatts small-sized water-cooled diesel engine.
Referring to Fig. 5～Fig. 7, described saw disc clutch 6 comprises initiatively outer dish 61, active cone 63, driven cone 64, stage clip 68, shift fork 65, declutch lever 74 and shift fork mounting bracket 71.Initiatively the left end of outer dish 61 is by flywheel 31 coaxial are connected of belt pulley 16 with diesel engine 3, the inner peripheral surface of the circular groove of the other end of the outer dish 61 of this active is installed active cone 63 by screw 62, taper seat in this active cone 63 cooperates the driven cone 64 of installation, the centre bore of this driven cone 64 is slidingly connected by spline 91 and central shaft 17, this central shaft 17 is installed on the described frame 8 with the holder 73 that is connected with clutch support 72 bottoms by a clutch support 72, and this central shaft 17 is installed in the bearing block 70 on clutch support 72 tops by bearing.Outside the central shaft 17 between this driven cone 64 and bearing block 70 stage clip 68 is housed, at an end of this driven cone 64 shift fork 65 of Y shape is housed, the protruding axle of the inboard, two tops of this shift fork 65 is rotationally connected by the relative outside of bearing 66 with the axle sleeve of driven cone 64 by one respectively.The other end of this shift fork 65 is connected with an end of declutch lever 74, and the fulcrum of this declutch lever 74 is rotatably connected on an end of shift fork mounting bracket 71 by bearing pin 67, and the other end of this shift fork mounting bracket 71 is connected with described frame 8 with bolt assembly 69.The other end of this declutch lever 74 (being the lower end among Fig. 6) is connected (referring to Fig. 2) by backguy with saw disc clutch handle 23 on being installed in described operation bar 1 handrail.
Above-mentioned saw disc clutch 6 is preferred embodiments, also can adopt the clutch of other prior aries, also belongs to the scope of the utility model protection.
Referring to Fig. 8, described saw disc transmission mechanism 7 comprises shell 84, power transmission shaft 78, intermeshing active conical gear 80 and driven bevel gear 81, power transmission shaft 78 is installed in the tubular housing 84, the front end of this power transmission shaft 78 is installed initiatively conical gear 80, this active conical gear 80 and driven bevel gear 81 all are rotatably installed in the gear housing 79 of front end of this shell 84 by bearing, and the axially downwardly extending of this driven bevel gear 81 goes out shell and is connected with described saw disc 14 by connector 83; The rear end of this power transmission shaft 78 is connected with the front end axle 19 of described joint coupling 18 (referring to Fig. 5); Hinged with the upper end of described longitudinal axis 76 below the rear end of this shell 84, the lower end of this longitudinal axis 76 is connected on the described frame 8 by bearing and bearing block 75; The sparge pipe 77 that is used for to saw disc 14 coolings is housed on described shell 84, is connected with water tank 2 during use.
Above-mentioned saw disc transmission mechanism 7 is preferred embodiments, also can adopt the transmission mechanism (as the flexible axle transmission) of other prior aries, also belongs to the scope of the utility model protection.
Referring to Fig. 9 and Figure 10, described walking transmission mechanism 4 comprises walking transmission mechanism shell 50, power input shaft 42, driving gear 43, jackshaft 46, big or small idler gear 44 and 45, shared power transmission shaft (just the power input shaft of rear axle differential 21 is made up of the screw rod 27 of outer end and the splined shaft 26 of root), output gear 52, driven castle wheel 51, clutch lever 47 and Y shape shift fork 471, clutch telescopic 48, telescopic overcoat 30, clutch spring 49 and spring shaft 54.Power input shaft 42 and jackshaft 46 all are installed in the walking transmission mechanism shell 50 rotationally, one end of this power input shaft 42 stretches out shell and driven pulley 41 is installed, driving gear 43 on this power input shaft 42 and 44 engagements of the big idler gear on the jackshaft 46, little idler gear 45 on this jackshaft 46 and output gear 52 engagements, this output gear 52 is installed in by bearing 59 on the outer peripheral face of axle sleeve 22 in splined shaft 26 left sides of shared power transmission shaft (referring to Fig. 4), and the both sides of this bearing 59 are installed in respectively in the outer peripheral face annular groove 28 of axle sleeve 22 with circlip respectively and are spacing fixing in the annular groove 29 of the inner peripheral surface of output gear 52.The screw rod 27 of this shared power transmission shaft right-hand member is connected in the screw of spring shaft 54 left ends.Inner peripheral surface at the circular groove on the right side of this output gear 52 is provided with conical active interface 40, the driven castle wheel 51 that cooperatively interacts with it is housed in this active interface, and the splined hole at the center of this driven castle wheel 51 is enclosed within on the described splined shaft 26 slidably.Between the right-hand member of the right side of this driven castle wheel 51 and spring shaft 54, clutch spring 49 is housed, the adjusting nut 56 that is used to regulate clutch spring 49 degrees of tightness is housed at the right-hand member of this clutch spring 49.Be provided with axial protruding cover on the right side of this driven castle wheel 51, be provided with annular groove 511 at the outer peripheral face of this axial protruding cover.Telescopic overcoat 30 is housed outside clutch spring 49, the left end of this telescopic overcoat 30 is fixedlyed connected with the right side of walking transmission mechanism shell 50 by flange, clutch telescopic 48 is slidingly installed in telescopic overcoat 30, left end at this clutch telescopic 48 is provided with separation drag hook 53, in the annular groove 511 of the axial protruding cover outer peripheral face on the right side of the described driven castle wheel 51 of these separation drag hook 53 insertions.In the annular groove of the outer peripheral face of this clutch telescopic 48, shift fork back-up ring 58 is housed.Connect Y shape shift fork 471 at an end of clutch lever 47, across the left side of the shift fork back-up ring 58 of the outer peripheral face of clutch telescopic 48, between shift fork back-up ring 58 and Y shape shift fork 471, packing ring is housed in the mouth of this Y shape shift fork 471.The middle part of two bifurcateds of this Y shape shift fork 471 is by hinge 57 both sides hinged (referring to Figure 10) with the outer peripheral face of telescopic overcoat 30, and the other end of this clutch lever 47 is connected (referring to Fig. 1) by backguy with walking clutch handle 25 on being installed in described operation bar 1 handrail.Driven pulley 41 is by the drive pulley 16 on the power take-off of belt and diesel engine 3 be in transmission connection (referring to Fig. 1 and Fig. 9).
The output shaft of the power input shaft of described rear axle differential 21 and described walking transmission mechanism 4 is same shared power transmission shaft (referring to Fig. 4, Fig. 9), the right-hand member of this shared power transmission shaft is provided with screw rod 27, (power transmission shaft) part that is close to this screw rod 27 is splined shaft 26, penetrate described rear axle differential 21 places at this shared power transmission shaft and be provided with the axle sleeve 22 of fixedlying connected with this rear axle differential 21 shells, outer peripheral face in the close outer end of this axle sleeve 22 is provided with annular groove 28, the circlip in bearing 59 outsides that are used to pack into.
Above-mentioned walking transmission mechanism 4 is preferred embodiments, also can adopt the transmission mechanism (speed change transmission) of other prior aries, also belongs to the scope of the utility model protection.
Operation principle of the present utility model is: diesel engine 3 outputting powers, joint coupling 18 and the saw disc transmission mechanism 7 of leading up to of this power drives saw discs 14 high speed rotating trees cut off.By harvesting action bars 5 saw disc 14 is arbitrarily just cut, swings, the tree bar is swung to the place ahead one side under the effect of leading truck 13; Another road power drives road wheel 11 differential walkings by walking transmission mechanism 4 and rear axle differential 21 (semiaxis that comprises its two ends).
The utility model is used for the cutting operation of multiple mulberry bar, and this type is applicable in the ground, mulberry field such as Plain, hills and clivia ground and uses through repeatedly production test and service test.Every technical indicator reaches agriculture requirement.
The utility model also has following characteristics:
1, the two variable differential walkings of motor driven.
2, rear axle differential is turned flexibly.
3, Traction clutch adopts friction clutch, and running into during operation walks automatically to stop when surpassing design obstacle resistance protects the speed change system part not fragile.
4, walking and saw disc operative clutch are cone clutch, good separating effect.
5, when cutting the height that can arbitrarily be adjusted in the winter, need to cut in two seasons of summer, the saw disc cutting that can swing simultaneously.
Claims (7)
1. a multifunctional efficient grain header comprises operation bar, frame, road wheel, diesel engine, saw disc and harvesting action bars, and the front end of two operation bars is connected with frame, and the rear end of this operation bar is provided with handrail; Diesel engine is installed on the frame, it is characterized in that: between two described road wheels rear axle differential is housed, the power input shaft of this rear axle differential is in transmission connection by the output shaft of walking transmission mechanism and described diesel engine, is provided with Traction clutch on this walking transmission mechanism; Described saw disc is installed in the front end of a saw disc transmission mechanism rotationally, the rear end of this saw disc transmission mechanism is rotatably connected on the front end of described frame below by longitudinal axis, and the power intake of this saw disc transmission mechanism rear end is in transmission connection by the output shaft of joint coupling and saw disc clutch and described diesel engine; The front end of described harvesting action bars is connected with the rear end of saw disc transmission mechanism, and the rear end of this harvesting action bars extends rearward near the handrail top of described operation bar from the top of described diesel engine.
2. multifunctional efficient grain header according to claim 1, it is characterized in that: described saw disc clutch comprises initiatively outer dish, the active cone, driven cone, stage clip, shift fork, declutch lever and shift fork mounting bracket, initiatively an end of outer dish is connected with the power take-off of described diesel engine is coaxial, this is the inner peripheral surface installation active cone of the circular groove of the other end of outer dish initiatively, taper seat in this active cone cooperates the driven cone of installation, the centre bore of this driven cone is slidingly connected by spline and central shaft, and this central shaft is installed on the described frame by a clutch support; Outside the central shaft between this driven cone and clutch support stage clip is housed, end in this driven cone is equipped with shift fork, this shift fork is connected with an end of declutch lever, and the fulcrum of this declutch lever is rotatably connected on the shift fork mounting bracket, and this shift fork mounting bracket is connected with described frame; The other end of this declutch lever is connected with saw disc clutch handle on being installed in described operation bar handrail by backguy.
3. multifunctional efficient grain header according to claim 1, it is characterized in that: described saw disc transmission mechanism comprises shell, power transmission shaft, active conical gear and driven bevel gear, power transmission shaft is installed in the tubular housing, the front end of this power transmission shaft is installed initiatively conical gear, this active conical gear and driven bevel gear are meshing with each other and are rotatably installed in the front end of this shell, and the axially downwardly extending of this driven bevel gear goes out shell and is connected with described saw disc; The rear end of this power transmission shaft is connected with the front end of described joint coupling; Hinged with the upper end of described longitudinal axis below the rear end of this shell, the lower end of this longitudinal axis is connected on the described frame by bearing and bearing block.
4. multifunctional efficient grain header according to claim 1, it is characterized in that: described walking transmission mechanism comprises walking transmission mechanism shell, power input shaft, train of reduction gears, output shaft and Traction clutch, train of reduction gears and output shaft are in transmission connection power input shaft in the walking transmission mechanism shell by being installed in, driven pulley is equipped with in outer end at this power input shaft, on the power take-off of described diesel engine drive pulley is housed, this drive pulley is in transmission connection by belt and this driven pulley; Between described train of reduction gears and output shaft Traction clutch is housed, the control end of this Traction clutch is connected with walking clutch handle on being installed in described operation bar handrail by backguy.
5. multifunctional efficient grain header according to claim 4, it is characterized in that: the power input shaft of described rear axle differential and the output shaft of described walking transmission mechanism are a shared power transmission shaft, the outer end of this shared power transmission shaft is provided with screw rod, the part that is close to this screw rod is a splined shaft, penetrate described rear axle differential place at this shared power transmission shaft and be provided with the axle sleeve of fixedlying connected with this rear axle differential shell, the outer peripheral face in the close outer end of this axle sleeve is provided with annular groove.
6. multifunctional efficient grain header according to claim 1, it is characterized in that: at the hinged feet of the front end of described frame, be connected an extension spring between this feet and frame, this feet is connected by feet backguy and feet on the being installed in described operation handrail operating grip that rises and falls.
7. multifunctional efficient grain header according to claim 1 is characterized in that: be provided with leading truck above described saw disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201699037U CN201479594U (en) | 2009-07-21 | 2009-08-12 | Multifunctional high efficiency harvester |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920167561.5 | 2009-07-21 | ||
| CN2009201699037U CN201479594U (en) | 2009-07-21 | 2009-08-12 | Multifunctional high efficiency harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201479594U true CN201479594U (en) | 2010-05-26 |
Family
ID=42418488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201699037U Expired - Fee Related CN201479594U (en) | 2009-07-21 | 2009-08-12 | Multifunctional high efficiency harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201479594U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103548497A (en) * | 2013-11-14 | 2014-02-05 | 江苏沃得农业机械有限公司 | Wheel type combine harvester rear axle power input connecting device |
| CN104012241A (en) * | 2014-06-09 | 2014-09-03 | 广西大学 | Single-ridge sugarcane harvester |
| CN108967117A (en) * | 2018-07-06 | 2018-12-11 | 徐亮 | A kind of multi-functional lumbering device of agricultural |
| CN112470673A (en) * | 2020-12-10 | 2021-03-12 | 安徽金丰机械有限公司 | Double-drive garlic harvester convenient to park |
-
2009
- 2009-08-12 CN CN2009201699037U patent/CN201479594U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103548497A (en) * | 2013-11-14 | 2014-02-05 | 江苏沃得农业机械有限公司 | Wheel type combine harvester rear axle power input connecting device |
| CN103548497B (en) * | 2013-11-14 | 2015-07-22 | 江苏沃得农业机械有限公司 | Wheel type combine harvester rear axle power input connecting device |
| CN104012241A (en) * | 2014-06-09 | 2014-09-03 | 广西大学 | Single-ridge sugarcane harvester |
| CN104012241B (en) * | 2014-06-09 | 2015-12-16 | 广西大学 | A kind of single ridge cane harvester |
| CN108967117A (en) * | 2018-07-06 | 2018-12-11 | 徐亮 | A kind of multi-functional lumbering device of agricultural |
| CN112470673A (en) * | 2020-12-10 | 2021-03-12 | 安徽金丰机械有限公司 | Double-drive garlic harvester convenient to park |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20100812 |