CN204887888U - Orchard weeder - Google Patents
Orchard weeder Download PDFInfo
- Publication number
- CN204887888U CN204887888U CN201520664735.4U CN201520664735U CN204887888U CN 204887888 U CN204887888 U CN 204887888U CN 201520664735 U CN201520664735 U CN 201520664735U CN 204887888 U CN204887888 U CN 204887888U
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- weeder
- dwang
- vehicle frame
- blade
- connecting rod
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Abstract
The utility model discloses an orchard weeder, be in including frame and fixed mounting traction lever on the frame, the bottom of frame is rotated and is installed weeding device, weeding device's rear portion is rotated and is installed harrow grass device, weeding device rotates with the one end of first connecting rod and is connected, the other end of first connecting rod rotates to be connected with and is located the shaft at frame rear portion, the both ends of shaft are all rotated and are installed the gauge wheel, install the elevating system who is used for adjusting the height of chassis above ground between frame and the shaft. The utility model discloses simple structure is provided with elevating system, can indirect control the height of weeding device with harrow grass device, use in the orchard that can adapt to well different geographical environment under, still is provided with harrow grass device simultaneously on this weeder, should the careless device of harrow can rake off the weeds of placing into the soil next, excellent in use effect, it is more thorough to weed, the simultaneous system is done with low costsly, the herbicidal effect height can generally be popularized and applied.
Description
Technical field
The utility model belongs to agricultural machinery equipment technical field, is specifically related to a kind of orchard weeder.
Background technology
In the herbicidal methods of current orchard, main adopt chemical weed control and artificial weeding, can pollute fruit tree branches and leaves when chemical herbicide sprays, in fruit or there is noxious material and remain, be unfavorable for the development need of green agriculture; Artificial weeding often needs very large human input, current agricultural population is constantly reduced, cultivated area but constantly in the case of expansion, merely rely on peasant's both hands uprooting weed or by simple farm implements weeding, very unactual, artificial weeding scientificlly and effectively can not utilize the labour value of peasant, therefore need to break through tradition, adopt the means weeding of automation, increase work efficiency, save human input.But there are the weeds that large-scale weeder is applicable to gardens or garden at present, be not suitable for the weeding operation in the orchard existed between mountain forest lowland, and be easy to the root hurting fruit tree in weeding process, and weeding is not thorough, efficiency is low, can not get popularizing.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, a kind of orchard weeder is provided, this weeder structure is simple, be provided with elevating mechanism, can the height of indirect regulation weeder and the careless device of rake, the orchard that can adapt to well under different geographical environment uses, this weeder is also provided with the careless device of rake simultaneously, the weeds rake that this device can will be placed into the soil, result of use is good, and weeding is more thorough, and cost of manufacture is low simultaneously, weeding ratio is high, can popularity application.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of orchard weeder, comprise vehicle frame and be fixedly mounted on the draw bar on described vehicle frame, it is characterized in that, the lower rotation of described vehicle frame is provided with weeder, the posterior rotation of described weeder is provided with the careless device of rake, one end of described weeder and first connecting rod is rotationally connected, the other end of described first connecting rod is rotatably connected to the wheel shaft being positioned at described vehicle frame rear portion, the two ends of described wheel shaft are all rotatablely equipped with gauge wheel, elevating mechanism for regulating height of chassis above ground is installed between described vehicle frame and wheel shaft.
Above-mentioned a kind of orchard weeder, it is characterized in that, described elevating mechanism comprises lifting screw and is arranged on the rocking bar at lifting screw top, described lifting screw is through the first sleeve pipe be fixedly installed on described vehicle frame, described lifting screw is installed with the fixed block for fixing described first sleeve pipe, the lower end of described lifting screw has been threaded nut, and described nut is fixedly installed on described wheel shaft.
Above-mentioned a kind of orchard weeder, it is characterized in that, described weeder comprises the first dwang and the second dwang that are rotatably installed in bottom of frame respectively, be connected with for controlling described first dwang and the second dwang simultaneously and the linkage of rotating in same direction between described first dwang and the second dwang, described first dwang is fixedly connected with the handlebar rotated for controlling described first dwang, described first dwang is fixedly connected with multiple first mounting rod, described second dwang is fixedly connected with multiple second mounting rod, described second mounting rod first dwang and the second mounting rod are laid staggeredly, the end of described first mounting rod and the second mounting rod is all installed with weeding ploughshare.
Above-mentioned a kind of orchard weeder, it is characterized in that, described linkage comprises the second connecting rod be fixedly connected with described first dwang and the third connecting rod be fixedly connected with described second dwang, is rotatably connected to double leval jib between described second connecting rod and third connecting rod.
Above-mentioned a kind of orchard weeder, is characterized in that, the careless device of described rake comprises the rake pawl be rotatably installed on described first dwang, described rake pawl is fixedly connected with the 5th connecting rod, described 5th connecting rod is connected by spring with between described second connecting rod.
Above-mentioned a kind of orchard weeder, is characterized in that, described rake pawl comprises dead lever and is arranged on multiple rake teeths on dead lever, and described rake teeth is in bending backward.
Above-mentioned a kind of orchard weeder, is characterized in that, described vehicle frame is provided with the block matched with described handlebar.
Above-mentioned a kind of orchard weeder, is characterized in that, described first dwang is installed with three equally distributed first mounting rods, described second dwang is installed with two the second mounting rods.
Above-mentioned a kind of orchard weeder, is characterized in that, is all connected with chain between described first mounting rod and vehicle frame and between the second mounting rod and vehicle frame.
Above-mentioned a kind of orchard weeder, it is characterized in that, described weeding ploughshare comprises the first blade and the second blade, one end of described first blade is connected with one end of the second blade, the other end of described first blade and the other end of the second blade away from, the link of described first blade and the second blade is cusp-shaped, and the end of described first mounting rod and the second mounting rod is all fixedly mounted on the junction of the first blade and the second blade.
The utility model compared with prior art has the following advantages:
1, the utility model is provided with the elevating mechanism for controlling height of chassis above ground, this elevating mechanism is simple, can indirect regulation weeder and rake careless device height, orchard weeding use under making it adapt to different geographical environment better, herbicidal effect is good, operating efficiency is high, obtains the extensive accreditation of peasant.
2, weeder of the present utility model is rotatably installed on vehicle frame, this weeder is facilitated to switch flexibly between road driving and orchard weeding two kinds of patterns, two eliminating grass ploughshares this weeder have been arranged side by side simultaneously, two get rid of the end that careless ploughshare is arranged on the first mounting rod and the second mounting rod be laid staggeredly, disposable thorough weeding can be realized, without the need to secondary weeding or three weedings, realize orchard large area and weeding expeditiously.
3, the utility model is provided with the careless device of rake, this rake grass device is rotatably installed on weeder, weeds in placing into the soil can be raked off by rake pawl on this rake grass device in the course of the work, rake teeth on rake pawl is designed to bending backward simultaneously, after the weeds being conducive to that rake pawl is collected arrive some, when spring is opened, rake pawl flicks backward, reset rapidly again after being more conducive to the weeds of collection to dish out, whole rake grass and process of dishing out constantly repeat, be conducive to the vigorous weeds of vitality to be removed completely, and the weeds of collecting may be used for ox of feeding, sheep, the livestocks such as pig, be more conducive to the agricultural of Development of Morden.
4, the utility model structure is simple, flexible operation, lower to the professional agricultural machinery technology requested knowledge of agriculture personnel, more by the favor of friend peasant, cost of manufacture is low, easy to maintenance simultaneously, orchard large area weeding can be applied to, facilitate the development of planting fruit trees industry, what achieve peasant increases income volume increase, can bring good economic benefit.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is stereogram of the present utility model.
Fig. 2 is the structural representation of the utility model elevating mechanism.
Fig. 3 is the syndeton schematic diagram of the utility model weeder and the careless device of rake.
Fig. 4 is the structural representation of the utility model weeding ploughshare.
Description of reference numerals:
1-vehicle frame; 2-draw bar; 3-gauge wheel;
4-elevating mechanism; 4-1-lifting screw; 4-2-rocking bar;
4-3-the first sleeve pipe; 4-4-fixed block; 4-5-nut;
5-weeder; 5-1-the first dwang; 5-2-the second dwang;
5-3-the first mounting rod; 5-4-the second mounting rod; 5-5-weeding ploughshare;
5-5-1-the first blade; 5-5-2-the second blade; 5-6-handlebar;
5-7-linkage; 5-7-1-second connecting rod; 5-7-2-third connecting rod;
5-7-3-the double leval jib; 6-harrow careless device; 6-1-rake pawl;
6-1-1-dead lever; 6-1-2-rake teeth; 6-2-the 5th connecting rod;
6-3-spring; 7-chain; 8-first connecting rod;
9-wheel shaft.
Embodiment
As shown in Figure 1, the draw bar 2 that the utility model comprises vehicle frame 1 and is fixedly mounted on described vehicle frame 1, the lower rotation of described vehicle frame 1 is provided with weeder 5, described weeder 5 to break ground weeding for this weeder in the process of moving forward, the posterior rotation of described weeder 5 is provided with the careless device 6 of rake, the careless device of described rake 6 is for being embedded in the weeds in soil after collecting the weeding of described weeder 5, described weeder 5 is rotationally connected with one end of first connecting rod 8, the other end of described first connecting rod 8 is rotatably connected to the wheel shaft 9 being positioned at described vehicle frame 1 rear portion, the two ends of described wheel shaft 9 are all rotatablely equipped with gauge wheel 3, elevating mechanism 4 for regulating vehicle frame 1 height is installed between described vehicle frame 1 and wheel shaft 9.
As depicted in figs. 1 and 2, described elevating mechanism 4 comprises lifting screw 4-1 and is arranged on the rocking bar 4-2 at lifting screw 4-1 top, described lifting screw 4-1 is through the first sleeve pipe 4-3 be fixedly installed on described vehicle frame 1, described lifting screw 4-1 is installed with the fixed block 4-4 for fixing described first sleeve pipe 4-3, the lower end of described lifting screw 4-1 has been threaded nut 4-5, described nut 4-5 is fixedly installed on described wheel shaft 9, described elevating mechanism 4 structure is simple, can regulate according to the height of the geographical environment in orchard to vehicle frame 1, indirectly have adjusted the weeder 5 be arranged on vehicle frame 1 and the height of harrowing careless device 6, make weeder efficiency in the weeding process of orchard higher, herbicidal effect is better, not fragile weeder 5 and the careless device 6 of rake.
As shown in figures 1 and 3, described weeder 5 comprises and is rotatably installed in the first dwang 5-1 bottom vehicle frame 1 and the second dwang 5-2 respectively, be connected with for controlling described first dwang 5-1 and the second dwang 5-2 simultaneously and the linkage 5-7 of rotating in same direction between described first dwang 5-1 and the second dwang 5-2, described first dwang 5-1 is fixedly connected with the handlebar 5-6 rotated for controlling described first dwang 5-1, described first dwang 5-1 is fixedly connected with multiple first mounting rod 5-3, described second dwang 5-2 is fixedly connected with multiple second mounting rod 5-4, described first mounting rod 5-3 and the second mounting rod 5-4 is laid staggeredly, the end of described first mounting rod 5-3 and the second mounting rod 5-4 is all installed with the weeding ploughshare 5-5 for weeding of breaking ground.
In the present embodiment, the two ends of described first connecting rod 8 offer the first through hole and the second through hole, described first dwang 5-1 achieves first connecting rod 8 through described first through hole and rotates around weeder 5, described wheel shaft 9 achieves first connecting rod 8 through described second through hole and rotates around wheel shaft 9, is connected with two described first connecting rods 8 between described weeder 5 and described wheel shaft 9.
In the present embodiment, on described first dwang 5-1, turning set is equipped with the second sleeve pipe, on described second dwang 5-2, turning set is equipped with the 3rd sleeve pipe, described second sleeve pipe and described 3rd sleeve pipe are fixedly mounted on the bottom of vehicle frame 1, the configuration achieves the rotation of described first dwang 5-1 and the second dwang 5-2 around vehicle frame 1.
As shown in Figure 3, described linkage 5-7 comprises the second connecting rod 5-7-1 be fixedly connected with described first dwang 5-1 and the third connecting rod 5-7-2 be fixedly connected with described second dwang 5-2, is rotatably connected to double leval jib 5-7-3 between described second connecting rod 5-7-1 and third connecting rod 5-7-2.
As shown in Figure 3, the careless device of described rake 6 comprises the rake pawl 6-1 be rotatably installed on described first dwang 5-1, described rake pawl 6-1 is fixedly connected with the 5th connecting rod 6-2, described 5th connecting rod 6-2 is connected by spring 6-3 with between described second connecting rod 5-7-1, described rake pawl 6-1 comprises dead lever 6-1-1 and is arranged on the multiple rake teeth 6-1-2 on dead lever 6-1-1, described rake teeth 6-1-2 is in bending backward, be conducive to harrowing in careless process when rake teeth 6-1-2 streaks from soil, the weeds be embedded in soil are collected by rake pawl 6-1, until weeds gather a certain amount of after, then rake teeth 6-1-2 is strengthened by resistance from soil, now described spring 6-3 is opened, the weeds that described rake pawl 6-1 assembles are dished out completely.
In the present embodiment, described vehicle frame 1 is provided with and matches for stopping the block of weeder 5 around the rotation of vehicle frame 1 with described handlebar 5-6.
As shown in Figure 1, all be connected with chain 7 described in chain 7 between described first mounting rod 5-3 and vehicle frame 1 and between the second mounting rod 5-4 and vehicle frame 1 and ensure that weeder 5 can normally break ground weeding, prevent weeding ploughshare 5-5 in weeding process, be subject to the excessive resistance of weeds and soil, damage weeder 5.
As shown in Figure 3, described first dwang 5-1 is installed with three equally distributed first mounting rod 5-3, described second dwang 5-2 is installed with two the second mounting rod 5-4, meets the pitch requirements between fruit-tree orchard.
As shown in Figure 4, described weeding ploughshare 5-5 comprises the first blade 5-5-1 and the second blade 5-5-2, one end of described first blade 5-5-1 is connected with one end of the second blade 5-5-2, the other end of described first blade 5-5-1 and the other end of the second blade 5-5-2 away from, the link of described first blade 5-5-1 and the second blade 5-5-2 is cusp-shaped, be conducive to weeding ploughshare 5-5 to break ground rapidly and cut off weeds root, the end of described first mounting rod 5-3 and the second mounting rod 5-4 is all fixedly mounted on the junction of the first blade 5-5-1 and the second blade 5-5-2.
In the present embodiment, on described dead lever 6-1-1, turning set is equipped with Quadruplet pipe, and described Quadruplet pipe is fixedly mounted on described first dwang 5-1, achieves being rotationally connected between the careless device 6 of rake and weeder 5.
The course of work of the present utility model is:
The first step, described vehicle frame 1 are connected with the afterbody of hand tractor by draw bar 2, hand tractor draws this weeder as the power locomotive of weeder and travels forward, first after weeder being reached orchard, move and turning handle bar 5-6 from described block, then the first dwang 5-1 rotates around vehicle frame 1, impel the second dwang 5-2 and described first dwang 5-1 simultaneously by the gearing of linkage 5-7 and rotate around vehicle frame 1 in the same way, now weeding ploughshare 5-5 keeps parallel to the ground;
Second step, the geographical situation according to orchard was needed before weeding, the kind of weeds and its upgrowth situation regulate the weeding ploughshare in weeder to stretch into the degree of depth of soil, this carrys out Indirect method by elevating mechanism 4, wherein the operation principle of elevating mechanism 4 is: control lifting screw 4-1 by rotating rocker 4-2 and move upward or move downward, the fixed block 4-4 be fixed on lifting screw 4-1 is driven to move, then be fixed on lifting screw 4-1 upper frame 1 by fixed block 4-4 to move with lifting screw 4-1, now be arranged on the height of weeder on vehicle frame 15 and the careless device 6 of rake by indirect regulation,
3rd step, adjustment weeder 5 and the careless device 6 of rake reach suitable height, weeding ploughshare 5-5 and rake teeth 6-1-2 is all stretched in soil, then hand tractor is started, weeding ploughshare 5-5 stretches in soil and is cut off by the root of weeds, the rake pawl 6-1 being now positioned at weeder 5 rear portion can cut off the harrow of root, ensure that weeds are not embedded in soil and continue survival, after the weeds on rake pawl 6-1 gather constant weight, it pulls spring 6-3, upspring backward in the direction now harrowing the relative weeder advance of pawl 6-1, the weeds of then harrowing are thrown down rapidly, then spring 6-3 resets rapidly again and makes rake pawl 6-1 return to rake grass-like state, this process constantly repeats, weeds a pile a pile ground is neatly placed in orchard, later collection weeds are facilitated to be used for ox of feeding, the livestock such as sheep and pig, effectively improve agricultural automation level, for the development of planting fruit trees industry increases power.
The above is only preferred embodiment of the present utility model, not imposes any restrictions the utility model.Every above embodiment is done according to utility model technical spirit any simple modification, change and equivalence change, all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. an orchard weeder, comprise vehicle frame (1) and be fixedly mounted on the draw bar (2) on described vehicle frame (1), it is characterized in that, the lower rotation of described vehicle frame (1) is provided with weeder (5), the posterior rotation of described weeder (5) is provided with the careless device of rake (6), described weeder (5) is rotationally connected with one end of first connecting rod (8), the other end of described first connecting rod (8) is rotatably connected to the wheel shaft (9) being positioned at described vehicle frame (1) rear portion, the two ends of described wheel shaft (9) are all rotatablely equipped with gauge wheel (3), elevating mechanism (4) for regulating vehicle frame (1) height is installed between described vehicle frame (1) and wheel shaft (9).
2. a kind of orchard according to claim 1 weeder, it is characterized in that, described elevating mechanism (4) comprises lifting screw (4-1) and is arranged on the rocking bar (4-2) at lifting screw (4-1) top, described lifting screw (4-1) is through the first sleeve pipe (4-3) be fixedly installed on described vehicle frame (1), described lifting screw (4-1) is installed with the fixed block (4-4) for fixing described first sleeve pipe (4-3), the lower end of described lifting screw (4-1) has been threaded nut (4-5), described nut (4-5) is fixedly installed on described wheel shaft (9).
3. a kind of orchard according to claim 1 and 2 weeder, it is characterized in that, described weeder (5) comprises the first dwang (5-1) and the second dwang (5-2) that are rotatably installed in vehicle frame (1) bottom respectively, be connected with for controlling described first dwang (5-1) and the second dwang (5-2) simultaneously and the linkage of rotating in same direction (5-7) between described first dwang (5-1) and the second dwang (5-2), described first dwang (5-1) is fixedly connected with the handlebar (5-6) rotated for controlling described first dwang (5-1), described first dwang (5-1) is fixedly connected with multiple first mounting rod (5-3), described second dwang (5-2) is fixedly connected with multiple second mounting rod (5-4), described first mounting rod (5-3) and the second mounting rod (5-4) are laid staggeredly, the end of described first mounting rod (5-3) and the second mounting rod (5-4) is all installed with the weeding ploughshare (5-5) for weeding of breaking ground.
4. a kind of orchard according to claim 3 weeder, it is characterized in that, described linkage (5-7) comprises the second connecting rod (5-7-1) be fixedly connected with described first dwang (5-1) and the third connecting rod (5-7-2) be fixedly connected with described second dwang (5-2), is rotatably connected to double leval jib (5-7-3) between described second connecting rod (5-7-1) and third connecting rod (5-7-2).
5. a kind of orchard according to claim 4 weeder, it is characterized in that, the careless device of described rake (6) comprises the rake pawl (6-1) be rotatably installed on described first dwang (5-1), described rake pawl (6-1) is fixedly connected with the 5th connecting rod (6-2), described 5th connecting rod (6-2) is connected by spring (6-3) with between described second connecting rod (5-7-1).
6. a kind of orchard according to claim 5 weeder, it is characterized in that, described rake pawl (6-1) comprises dead lever (6-1-1) and is arranged on the multiple rake teeths (6-1-2) on dead lever (6-1-1), and described rake teeth (6-1-2) is in bending backward.
7. a kind of orchard according to claim 3 weeder, is characterized in that, described vehicle frame (1) is provided with the block matched with described handlebar (5-6).
8. a kind of orchard according to claim 3 weeder, it is characterized in that, between described first mounting rod (5-3) and vehicle frame (1) and between the second mounting rod (5-4) and vehicle frame (1), be all connected with chain (7).
9. a kind of orchard according to claim 3 weeder, it is characterized in that, described first dwang (5-1) is installed with three equally distributed first mounting rods (5-3), described second dwang (5-2) is installed with two the second mounting rods (5-4).
10. a kind of orchard according to claim 3 weeder, it is characterized in that, described weeding ploughshare (5-5) comprises the first blade (5-5-1) and the second blade (5-5-2), one end of described first blade (5-5-1) is connected with one end of the second blade (5-5-2), the other end of described first blade (5-5-1) and the other end of the second blade (5-5-2) away from, described first blade (5-5-1) is cusp-shaped with the link of the second blade (5-5-2), the end of described first mounting rod (5-3) and the second mounting rod (5-4) is all fixedly mounted on the junction of the first blade (5-5-1) and the second blade (5-5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664735.4U CN204887888U (en) | 2015-08-29 | 2015-08-29 | Orchard weeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520664735.4U CN204887888U (en) | 2015-08-29 | 2015-08-29 | Orchard weeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204887888U true CN204887888U (en) | 2015-12-23 |
Family
ID=54910130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520664735.4U Withdrawn - After Issue CN204887888U (en) | 2015-08-29 | 2015-08-29 | Orchard weeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204887888U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105103680A (en) * | 2015-08-29 | 2015-12-02 | 吕百选 | Orchard weeding machine |
| CN106489324A (en) * | 2016-10-19 | 2017-03-15 | 宁夏智源农业装备有限公司 | Fructus Lycii weeding by machine machine |
| CN107980757A (en) * | 2017-12-24 | 2018-05-04 | 陈志周 | A kind of agricultural field equipment of automatic uprooting weed |
| CN108094391A (en) * | 2017-12-24 | 2018-06-01 | 陈志周 | A kind of weeder |
| CN108142401A (en) * | 2017-12-24 | 2018-06-12 | 陈志周 | A kind of farm equipment with uprooting weed and collecting function |
| CN108142011A (en) * | 2017-12-24 | 2018-06-12 | 陈志周 | A kind of weeds plucking device |
| CN108432374A (en) * | 2018-05-29 | 2018-08-24 | 于丽 | A kind of high-efficiency environment friendly electric toe |
| CN110301177A (en) * | 2018-03-27 | 2019-10-08 | 西北农林科技大学 | A kind of clover breaking collection device |
-
2015
- 2015-08-29 CN CN201520664735.4U patent/CN204887888U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105103680A (en) * | 2015-08-29 | 2015-12-02 | 吕百选 | Orchard weeding machine |
| CN106489324A (en) * | 2016-10-19 | 2017-03-15 | 宁夏智源农业装备有限公司 | Fructus Lycii weeding by machine machine |
| CN107980757A (en) * | 2017-12-24 | 2018-05-04 | 陈志周 | A kind of agricultural field equipment of automatic uprooting weed |
| CN108094391A (en) * | 2017-12-24 | 2018-06-01 | 陈志周 | A kind of weeder |
| CN108142401A (en) * | 2017-12-24 | 2018-06-12 | 陈志周 | A kind of farm equipment with uprooting weed and collecting function |
| CN108142011A (en) * | 2017-12-24 | 2018-06-12 | 陈志周 | A kind of weeds plucking device |
| CN110301177A (en) * | 2018-03-27 | 2019-10-08 | 西北农林科技大学 | A kind of clover breaking collection device |
| CN108432374A (en) * | 2018-05-29 | 2018-08-24 | 于丽 | A kind of high-efficiency environment friendly electric toe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151223 Effective date of abandoning: 20171114 |