CN2914621Y - Portable fiddle sower - Google Patents
Portable fiddle sower Download PDFInfo
- Publication number
- CN2914621Y CN2914621Y CN 200620024151 CN200620024151U CN2914621Y CN 2914621 Y CN2914621 Y CN 2914621Y CN 200620024151 CN200620024151 CN 200620024151 CN 200620024151 U CN200620024151 U CN 200620024151U CN 2914621 Y CN2914621 Y CN 2914621Y
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- seed
- plate
- action bars
- sowing
- plug
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Abstract
A portable dibbler comprises an operation rod, a seed bucket and a seeding plug assembled together, which is characterized in that the operation rod is hinged with the operation handle which is connected with a steel pull-wire and a pull-rod, the seeding plug connected with the support plate by welding is provided with an open groove which is hinged with a movable groove cover with a connection plate; the inner sleeves sheathed together and the spiral compressed spring as well as an extension sleeve are arranged between the supported plate and the pull-wire connection plate; the steel pull-wire bottom is connected with the pull-wire connection plate. The seeding plug is also provided with a deep supported plate. The funnel fixed on the seed bucket is communicated with the operation rod. The seed bucket is provided with a seed bucket bottom plate and a seed feed plate with a seed cover plate on which a seed falling trough is equipped, and a seed feed sliding plate is arranged at a guided groove of the seed feed plate. The operation rod is also provided with a pulling force converted mechanism on both sides of which the hinge of the seed feed sliding plate and the pull-rod are connected respectively. The dibbler has the advantages of a high efficiency and a low cost.
Description
Technical field
The utility model relates to a kind of dibbler.
Background technology
Many crops are arranged at seeding time because spacing in the rows and line-spacing are big, need dibbling, as corn, sunflower etc., being suitable for during this class crop seeding is monoseeding.Existing sower complex structure, profile are bigger, and machinery drives the waste seed, are difficult to adapt to hillside fields, narrow plot and use, because the cost height, generally still dig the ground dibbling with spade or sow with thumb, and labour intensity is big, inefficiency.
Summary of the invention
In order to overcome the deficiency of existing sower or animal power pulling and existing traditional dibbling mode, the utility model provides a kind of easy to operate efficient height, the dibbler that cost is low.
The utility model is the straight-bar portable, it comprises action bars, seed tube and sowing plug, the seed tube is fastened on action bars, the sowing plug is fastened on the lower end of action bars, it is characterized in that: said action bars is a hollow pipe, is fixing handle on the top of tubular type action bars, and operating grip is being articulated and connected under the handle of action bars, the steel wire backguy followed in the operating grip first line of a couplet, and operating grip is also connecting pull bar.The sowing plug is the conical pipe of lower end closed, upper side at the sowing plug is being welded a gripper shoe, in gripper shoe the backguy through hole is arranged, there is an open slot side at the sowing plug, the loose slot lid in the open slot hinge-coupled, the loose slot lid is welding the backguy fishplate bar, inner sleeve and spiral compression spring and flexible outer tube are installed between gripper shoe and the backguy fishplate bar, inner sleeve and spiral compression spring and flexible outer tube are nested together successively, and through hole and inner sleeve that gripper shoe is passed in the lower end of steel wire backguy connect with the backguy fishplate bar.At the seed tube one seed barrel shell is arranged, the seed barrel shell has a breach, the seed tube fastening funnel, funnel has a connecting port, the connecting port of funnel communicates with the breach of seed tube, the funnel mouth of funnel lower end is connecting the seeding down pipe, it is logical that the lower end of seeding down pipe connects with action bars from the side.Seed tube end plate, seed conveying plate are installed in the seed tube, and seed conveying plate tightens together with the seed barrel shell under the seed tube end plate.Lean on an end of funnel that one cross section is arranged at the seed tube end plate and be up big and down small trapezoidal rectangular channel, seed die cap plate is installed one seed falling slot is arranged in rectangular channel, the rubber tensioning plate of a level is arranged at the front end of seed falling slot at seed die cap plate.It is the guide groove of rectangle that one cross section is arranged at the middle part of seed conveying plate, one bar-shaped trough is arranged under guide groove, the front end of guide groove has seed outlet, in guide groove, be installed with and send the seed slide plate, sending the corresponding position of seed slide plate and seed falling slot that one seed die cavity is arranged, the seed mould is installed in the seed die cavity, a up-small and down-big through hole is arranged at the seed mould.Articulated joint is arranged sending under the seed slide plate, articulated joint is downwards outside bar-shaped trough stretches out seed conveying plate.At action bars pulling force steering mechanism is installed also, an end of pulling force steering mechanism and the articulated joint hinge-coupled of sending the seed slide plate, the pull bar hinge-coupled of the other end of pulling force steering mechanism and operating grip.
In order to control sowing depth, in the horizontal degree of depth gripper shoe that is installed with in side of sowing plug.Degree of depth gripper shoe can be installed like this.At sowing plug welding sleeve pipe in the same way, at sleeve pipe the adjusting bolt is installed, degree of depth gripper shoe is fixed on the lower end of regulating bolt, regulates bolt and is twisting two nuts, and two nuts are respectively in the top and bottom of sleeve pipe.Degree of depth gripper shoe has a groove, and this groove is stuck in the side of sowing plug.
Above-mentioned dibbler, it is characterized in that: pull bar is fastened on operating grip, said pulling force steering mechanism is two hinged rhombus six-bar mechanisms, two hinged rhombus six-bar mechanisms are hinged by two long connecting rods and two cross link and two short connecting rods and constitute, one end and the articulated slab of two long connecting rods are articulated and connected, articulated slab connects with the articulated joint of sending the seed slide plate, the other end is articulated and connected with an end of cross link respectively, the middle part of two cross link is articulated and connected by jointed shaft mutually, one end hinge-coupled of the other end of cross link and short connecting rod, the other end of short connecting rod and the articulated joint hinge-coupled that is fixed on action bars.One end of pull bar connects with the middle part jointed shaft of cross link, and the through hole that the other end passes action bars connects with the union end of pull bar.
The pulling force steering mechanism of this dibbler also can adopt bending lever pulling force steering mechanism, the pull bar hinge-coupled is at operating grip, one end of the bending lever of bending lever pulling force steering mechanism is through pull bar and the articulated joint hinge-coupled of sending the seed slide plate, the pull bar hinge-coupled of the other end and operating grip, the middle part hinge-coupled of bending lever is at action bars, overlapping spiral compression spring at pull bar, the two ends of this spiral compression spring withstand on articulated joint and seed barrel shell or action bars respectively.
This dibbler is according to corresponding kind of die cap plate of the many covers of size configure and kind mould of sowing seed particle.
During sowing, portable dibbler, seed according to sowing installs with the kind mould planting the die cap plate, the subordinate handle of pressing, the sowing plug is inserted the soil, the hand-held operation handle, under the pulling force of steel wire backguy and pull bar, send the seed slide plate to retract the dress seed, the loose slot lid is opened simultaneously, seed is fallen underground depths from the open slot of sowing plug, and the degree of depth that the sowing plug inserts is by the control of degree of depth gripper shoe, and the defensive position of sowing handle transfers to the sowing plug back to decontrol operating grip in ground, under the elastic force effect of spiral compression spring, the loose slot lid covers opening.When holding with the unclamp operation handle; pull bar oscilaltion or swing; the action of pull bar pulling pulling force steering mechanism; the pulling of pulling force steering mechanism send the seed slide plate to slide along guide groove; sending during the seed slide plate slides crosses kind, seed is fallen the through hole of seed mould from seed falling slot, when the seed mould slides into seed outlet; a seed is fallen in the funnel, for next operation is got ready.
The utility model is not only lightly simple in structure, and sows easy to operately, and sowing efficient height improves three to five times than traditional by artificial seeding's efficient, has alleviated the labour intensity of sowing.
Description of drawings
Fig. 1 is the outline drawing of the utility model embodiment one.
Fig. 2 is the longitudinal sectional view of sowing plug.
Fig. 3 is the cutaway view along A-A line among Fig. 1.
Fig. 4 is the cutaway view along B-B line among Fig. 1.
Fig. 5 is the cutaway view along C-C line among Fig. 4.
Fig. 6 is the cutaway view along D-D line among Fig. 5.
Fig. 7 is the cutaway view along E-E line among Fig. 5.
Fig. 8 is the outline drawing of the utility model embodiment two.
Fig. 9 is the cutaway view along F-F line among Fig. 8.
Fig. 2, Fig. 3, Fig. 4, Fig. 5, the relative Fig. 1 of Fig. 6, Fig. 7 amplify, and the relative Fig. 8 of Fig. 9 amplifies.Among the above-mentioned figure:
1, handle 2, jointed shaft 3, operating grip 4, union end 5, pull bar
6, union end 7, pulling force steering mechanism 8, bending lever 9, steel wire backguy
10, backguy pillar 11, action bars 12, gripper shoe 13, inner sleeve
14, screw thread compression spring 15, flexible outer tube 16, backguy fishplate bar 17, jointed shaft
18, loose slot lid 19, open slot 20, awl point 21, degree of depth gripper shoe 22, nut
23, sleeve pipe 24, nut 25, adjusting bolt 26, sowing plug
27, interface 28, through hole 29, joint 30, seeding down pipe 31, breach
32, funnel 33, funnel 34, connecting port 35, seed tube 36, seed barrel shell
37, seed tube end plate 38, trip bolt 39, installation card 40, rotation compressing tablet
41, tensioning plate 42, rectangular channel 43, seed die cap plate 44, seed falling slot
45, go out seed end 46, seed tube 47, articulated slab 48, hinged end
49, rectangular groove 50, spiral compression spring 51, pull bar 52, lower cover
53, articulated joint 54, bar-shaped trough 55, guide groove 56, send seed slide plate 57, seed conveying plate
58, seed die cavity 59, seed mould 60, through hole 61, seed outlet
62, two hinged rhombus six-bar mechanisms 63, articulated slab 64, jointed shaft 65, long connecting rod
66, jointed shaft 67, cross link 68, jointed shaft 69, short connecting rod
70, jointed shaft 71, articulated joint 72, through hole 73, pull bar
Embodiment
Following structure embodiment and accompanying drawing thereof describe embodiment of the present utility model in detail, but embodiment of the present utility model is not limited to following embodiment.
The described dibbler of Fig. 1 and Fig. 2 is the straight-bar portable, it comprises action bars 11, seed tube 35 and sowing plug 26, seed tube 35 is fastened on action bars 11 by card 39 is installed, sowing plug 26 is fastened on the lower end of action bars, it is characterized in that: said action bars 11 is hollow pipe, is fixing handle 1 on the top of tubular type action bars 11, the handle of action bars 11 operating grip 3 that is being articulated and connected for 1 time, steel wire backguy 9 followed in operating grip 3 first line of a couplet, and operating grip 3 is also connecting pull bar 5.Sowing plug 26 is the conical pipe of lower end closed, be plugged on the lower end of action bars 11, upper side at sowing plug 26 is being welded a gripper shoe 12, the through hole that the backguy of wearing is arranged in gripper shoe 12, there is an open slot 19 side at sowing plug 26, loose slot lid 18 in open slot 19 hinge-coupled, loose slot lid 18 is welding backguy fishplate bar 16, inner sleeve 13 and spiral compression spring 14 and flexible outer tube 15 are installed between gripper shoe 12 and the backguy fishplate bar 16, inner sleeve 13 is nested together successively with spiral compression spring 14 and flexible outer tube 15, and through hole and inner sleeve 13 that gripper shoe 12 is passed in the lower end of steel wire backguy 9 connect with backguy fishplate bar 16.Also welding and the parallel sleeve pipe 23 of sowing plug 26 in the side of sowing plug 26, at sleeve pipe 23 adjusting bolt 25 is installed, regulate the lower end of bolt 25 and fixing degree of depth gripper shoe 21, degree of depth gripper shoe 21 has a groove, this groove is stuck in the lateral surface of sowing plug 26, regulate bolt 25 and twisting nut 22 and nut 24, nut 24 and nut 22 are respectively in the top and bottom of sleeve pipe 23, referring to Fig. 3.The structure of seed tube 35 is seen Fig. 4, Fig. 5, Fig. 6 and Fig. 7, at seed tube 35 a seed barrel shell 36 is arranged, seed barrel shell 36 has a breach 31, seed tube 35 fastening funnel 33, funnel 33 has a connecting port 34, the connecting port 34 of funnel 33 communicates with the breach 31 of seed tube 35, and the funnel mouth 32 of funnel 33 lower ends is connecting seeding down pipe 30, and the through hole 28 that the lower end of seeding down pipe 30 has joint 29 to insert action bars 11 from the side connects logical with action bars 11.Seed tube end plate 37, seed conveying plate 57 are installed in seed tube 35, and seed conveying plate 57 tightens together at seed tube end plate 37 times and seed barrel shell 36.Lean on an end of funnel 33 that a cross section is arranged at seed tube end plate 37 and be up big and down small trapezoidal rectangular channel 42, seed die cap plate 43 is installed a seed falling slot 44 is arranged in rectangular channel 42, rubber tensioning plate 41 is arranged at the seed falling slot front end at seed die cap plate 43.It is the guide groove 55 of rectangle that one cross section is arranged at the middle part of seed conveying plate 57, at guide groove one bar-shaped trough 54 is arranged for 55 times, the front end of guide groove 55 has seed outlet 61, in guide groove 55, be installed with and send seed slide plate 56, sending seed slide plate 56 and seed falling slot 44 corresponding positions that one seed die cavity 58 is arranged, seed mould 59 is installed in seed die cavity 58, a up-small and down-big through hole 60 is arranged at seed mould 59.Sending the seed slide plate 56 times articulated joint 53 to be arranged, articulated joint 53 is downwards outside bar-shaped trough 54 stretches out seed conveying plate 57.At action bars 11 pulling force steering mechanism 7 is installed also, an end of pulling force steering mechanism 7 and articulated joint 53 hinge-coupled of sending seed slide plate 56, pull bar 5 hinge-coupled of the other end of pulling force steering mechanism 7 and operating grip 3.
Present embodiment pull bar 5 hinge-coupled are at operating grip 3, said pulling force steering mechanism 7 is bending lever pulling force steering mechanism, one end of bending lever 8 is through pull bar 51 and articulated joint 53 hinge-coupled of sending seed slide plate 56, pull bar 5 hinge-coupled of the other end and operating grip 3, the middle part hinge-coupled of bending lever 8 is at the articulated slab 47 of action bars 11, overlapping spiral compression spring 50 at pull bar 51, the two ends of spiral compression spring 50 withstand on articulated joint 53 and action bars 11 respectively, also can withstand on seed barrel shell 36.One side of bending lever 8 horizontal directions of present embodiment is shorter than a side of holding up direction.Seed die cap plate 43 and seed mould 59 that present embodiment is joined are used for kind of a corn, and the through hole 60 of seed mould 59 is circular.
Embodiment two of the present utility model sees Fig. 8 and Fig. 9, the difference of present embodiment and embodiment one is two hinged rhombus six-bar mechanisms 62 of said pulling force steering mechanism's 7 employings, pull bar 5 is fastened on operating grip 3, two hinged rhombus six-bar mechanisms 62 are hinged by two long connecting rods 65 and two cross link 67 and two short connecting rods 69 and constitute, one end and the articulated slab 63 of two long connecting rods 65 are articulated and connected, articulated slab 63 connects with articulated joint 53, the other end is articulated and connected with an end of cross link 67 respectively, the middle part of two cross link 67 is articulated and connected by jointed shaft 68 mutually, one end hinge-coupled of the other end of cross link 67 and short connecting rod 69, the other end of short connecting rod 69 and articulated joint 71 hinge-coupled that are fixed on action bars 11.One end of pull bar 73 connects with the middle part jointed shaft 68 of cross link 67, and the through hole 72 that the other end passes action bars 11 connects with the union end 6 of pull bar 5.Other structure is identical with embodiment one.
Seed die cap plate 43 and seed mould 59 that present embodiment is joined are used for kind of a sunflower, and the through hole 60 of seed mould 59 is oval.
The pull bar 5 of present embodiment is fastened on operating grip 3.When hand-held operation handle 3 makes hand-held operation handle 3 when the inhour of Fig. 8 is rotated, drive also inhour rotation of pull bar 5, the union end 6 of pull bar 5 turns right simultaneously, pulling pull bar 73 moves right, two hinged rhombus six-bar mechanisms 62 of pull bar 73 pullings stretch, and two hinged rhombus six-bar mechanisms pullings send seed slide plate 56 to slide to the right, when decontroling operating grip 3, under the effect of spiral compression spring 14, pulling pull bar 73, two hinged rhombus six-bar mechanisms 62 and send seed slide plate 56 to reset.
The basic structure of said two hinged rhombus six-bar mechanisms in the present specification is referring to China Machine Press's " the 357th page of modern mechanism handbook.
Claims (6)
1, a kind of portable dibbler, it comprises action bars, seed tube and sowing plug, the seed tube is fastened on action bars, the sowing plug is fastened on the lower end of action bars, it is characterized in that: said action bars is a hollow pipe, is fixing handle on the top of tubular type action bars, and operating grip is being articulated and connected under the handle of action bars, the steel wire backguy followed in the operating grip first line of a couplet, and operating grip is also connecting pull bar; The sowing plug is the conical pipe of lower end closed, upper side at the sowing plug is being welded a gripper shoe, in gripper shoe the backguy through hole is arranged, there is an open slot side at the sowing plug, the loose slot lid in the open slot hinge-coupled, the loose slot lid is welding the backguy fishplate bar, inner sleeve and spiral compression spring and flexible outer tube are installed between gripper shoe and the backguy fishplate bar, inner sleeve and spiral compression spring and flexible outer tube are nested together successively, and through hole and inner sleeve that gripper shoe is passed in the lower end of steel wire backguy connect with the backguy fishplate bar; At the seed tube one seed barrel shell is arranged, the seed barrel shell has a breach, the seed tube fastening funnel, funnel has a connecting port, the connecting port of funnel communicates with the breach of seed tube, the funnel mouth of funnel lower end is connecting the seeding down pipe, it is logical that the lower end of seeding down pipe connects with action bars from the side; Seed tube end plate, seed conveying plate are installed in the seed tube, and seed conveying plate tightens together with the seed barrel shell under the seed tube end plate; Lean on an end of funnel that one cross section is arranged at the seed tube end plate and be up big and down small trapezoidal rectangular channel, seed die cap plate is installed one seed falling slot is arranged in rectangular channel, the rubber tensioning plate of a level is arranged at the front end of seed falling slot at seed die cap plate; It is the guide groove of rectangle that one cross section is arranged at the middle part of seed conveying plate, one bar-shaped trough is arranged under guide groove, the front end of guide groove has seed outlet, in guide groove, be installed with and send the seed slide plate, sending the corresponding position of seed slide plate and seed falling slot that one seed die cavity is arranged, the seed mould is installed in the seed die cavity, a up-small and down-big through hole is arranged at the seed mould; Articulated joint is arranged sending under the seed slide plate, articulated joint is downwards outside bar-shaped trough stretches out seed conveying plate; At action bars pulling force steering mechanism is installed also, an end of pulling force steering mechanism and the articulated joint hinge-coupled of sending the seed slide plate, the pull bar hinge-coupled of the other end of pulling force steering mechanism and operating grip.
2, dibbler according to claim 1, it is characterized in that: said pulling force steering mechanism is two hinged rhombus six-bar mechanisms, pull bar is fastened on operating grip, two hinged rhombus six-bar mechanisms are hinged by two long connecting rods and two cross link and two short connecting rods and constitute, one end and the articulated slab of two long connecting rods are articulated and connected, articulated slab connects with the articulated joint of sending the seed slide plate, the other end is articulated and connected with an end of cross link respectively, the middle part of two cross link is articulated and connected by jointed shaft mutually, one end hinge-coupled of the other end of cross link and short connecting rod, the other end of short connecting rod and the articulated joint hinge-coupled that is fixed on action bars; One end of pull bar connects with the middle part jointed shaft of cross link, and the through hole that the other end passes action bars connects with the union end of pull bar.
3, dibbler according to claim 1, it is characterized in that: the pull bar hinge-coupled is at operating grip, said pulling force steering mechanism is a bending lever pulling force steering mechanism, one end of bending lever is through pull bar and the articulated joint hinge-coupled of sending the seed slide plate, the pull bar hinge-coupled of the other end and operating grip, the middle part hinge-coupled of bending lever is being overlapped spiral compression spring at action bars at pull bar, and the two ends of this spiral compression spring withstand on articulated joint and seed barrel shell or action bars respectively.
4, according to claim 2 or 3 described dibblers, it is characterized in that: in the horizontal degree of depth gripper shoe that is installed with in side of sowing plug.
5, dibbler according to claim 4, it is characterized in that: degree of depth gripper shoe is to install like this, at sowing plug welding sleeve pipe in the same way, at sleeve pipe the adjusting bolt is installed, degree of depth gripper shoe is fixed on the lower end of regulating bolt, regulate bolt and twisting two nuts, two nuts are respectively in the top and bottom of sleeve pipe.
6, dibbler according to claim 5 is characterized in that: degree of depth gripper shoe has a groove, and this groove is stuck in the side of sowing plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620024151 CN2914621Y (en) | 2006-04-18 | 2006-04-18 | Portable fiddle sower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620024151 CN2914621Y (en) | 2006-04-18 | 2006-04-18 | Portable fiddle sower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2914621Y true CN2914621Y (en) | 2007-06-27 |
Family
ID=38185523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620024151 Expired - Fee Related CN2914621Y (en) | 2006-04-18 | 2006-04-18 | Portable fiddle sower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2914621Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103766047A (en) * | 2014-01-22 | 2014-05-07 | 陈万银 | Shovel provided with sowing device |
| CN106068814A (en) * | 2016-07-15 | 2016-11-09 | 中国农业科学院草原研究所 | A kind of hand dibbling additional fertilizer applicator |
| CN109328551A (en) * | 2016-10-13 | 2019-02-15 | 上海理工大学 | A kind of use, which is loosened the soil, to be sowed integrated agricultural shovel and is loosened the soil and method of sowing |
| CN114885640A (en) * | 2022-05-30 | 2022-08-12 | 国网宁夏电力有限公司电力科学研究院 | Simple ditching and seeding device for vegetation restoration in power transmission and transformation engineering and seeding method thereof |
-
2006
- 2006-04-18 CN CN 200620024151 patent/CN2914621Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103766047A (en) * | 2014-01-22 | 2014-05-07 | 陈万银 | Shovel provided with sowing device |
| CN103766047B (en) * | 2014-01-22 | 2015-07-15 | 陈万银 | Shovel provided with sowing device |
| CN106068814A (en) * | 2016-07-15 | 2016-11-09 | 中国农业科学院草原研究所 | A kind of hand dibbling additional fertilizer applicator |
| CN106068814B (en) * | 2016-07-15 | 2018-08-14 | 中国农业科学院草原研究所 | A kind of hand dibbling additional fertilizer applicator |
| CN109328551A (en) * | 2016-10-13 | 2019-02-15 | 上海理工大学 | A kind of use, which is loosened the soil, to be sowed integrated agricultural shovel and is loosened the soil and method of sowing |
| CN109328550A (en) * | 2016-10-13 | 2019-02-15 | 上海理工大学 | One kind, which is loosened the soil, sows integrated agricultural shovel |
| CN109362287A (en) * | 2016-10-13 | 2019-02-22 | 上海理工大学 | A kind of agricultural shovel of new type sowing |
| CN109362286A (en) * | 2016-10-13 | 2019-02-22 | 上海理工大学 | A kind of agricultural shovel |
| CN109362286B (en) * | 2016-10-13 | 2021-06-18 | 上海理工大学 | Agricultural shovel |
| CN109328550B (en) * | 2016-10-13 | 2021-06-18 | 上海理工大学 | Soil loosening and sowing integrated agricultural shovel |
| CN109328551B (en) * | 2016-10-13 | 2021-07-20 | 上海理工大学 | Soil loosening and sowing method using soil loosening and sowing integrated agricultural shovel |
| CN114885640A (en) * | 2022-05-30 | 2022-08-12 | 国网宁夏电力有限公司电力科学研究院 | Simple ditching and seeding device for vegetation restoration in power transmission and transformation engineering and seeding method thereof |
| CN114885640B (en) * | 2022-05-30 | 2024-01-23 | 国网宁夏电力有限公司电力科学研究院 | Ditching and seeding simple device and method for vegetation recovery in power transmission and transformation engineering |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |