CN102630403B - Fish-scale pit furrowing device - Google Patents
Fish-scale pit furrowing device Download PDFInfo
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- CN102630403B CN102630403B CN2012101434013A CN201210143401A CN102630403B CN 102630403 B CN102630403 B CN 102630403B CN 2012101434013 A CN2012101434013 A CN 2012101434013A CN 201210143401 A CN201210143401 A CN 201210143401A CN 102630403 B CN102630403 B CN 102630403B
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- scale pit
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Abstract
The invention relates to a soil preparation furrowing device for forest planting of the forest industry, and relates to a furrowing device which is particularly suitable for the artificial forest planting in a large-area fish-scale pit way on low-pitched land in arid and semi-arid planting areas. The fish-scale pit furrowing device mainly comprises a plough body (1), a deep-digging cutter (2), a side-wall cutter (3), a measure and control land wheel (10), a main frame (4), a three-point suspension rack (7), an electric control system and a hydraulic control system, wherein the electric control system transmits signals about the furrowing size of each fish-scale pit and a distance size between every two adjacent fish-scale pits on the ground to an electric control box system through an electric sensing plate on the measure and control land wheel (10) to further control the hydraulic control system, so that the plough body (1) and the side-wall cutter (3) on a rear frame act from top to bottom according to the control requirements. The fish-scale pit furrowing device has advantages that the fish scale pit furrowing device can be connected with any tractor with 120horsepower or more in China, the overall layout of the structure is reasonable, the hydraulic system is simple, and convenience and reliability in transmission can be realized; and the distance measuring precision of the fish-scale pit is high, and the size of the pit can be adjusted at any time.
Description
Technical field
The present invention relates to whole ground of forestry afforestation ditching device, the ditching equipment that large tracts of land fish scale pit mode artificial planting afforestation is used with being specially adapted to arid, gentle slope, semiarid afforestation.
Background technology
In the most of arid of China, semiarid zone, owing to affected by monsoon climate, the rainfall undue concentration, and spatial and temporal distributions inequality, cause long-term arid and seasonal drought serious, this area all concentrates on 7-9 month in annual most of flood season, and precipitation accounts for annual 60%--80%, although rainfall is few, the heavy showers phenomenon is comparatively general.In this case, rain very heavily, earth's surface forms runoff very soon.But most rainwater can't be absorbed by soil, run off in vain, wherein approximately have 2/3 to be rainwash.Reasonable distribution and utilize rainwash how more, more pay attention to water collection efficiency and water application efficiency under the condition of limited rainfall, collection rainwater technology be at present in arid, effectively utilize to the gentle slope, semiarid zone one of feasible way of limited natural rainfall water resource and recovery vegetation.This fish scale pit trench digging is a kind of accumulation of the mechanization for arid and semi-arid regions rainwater technology, by the shape of specially designed trench digging, outputs the parallel short ditch of space type or calipers (being commonly called as fish scale pit or horizontal ditch).According to the requirement of northern China forestry afforestation operation technique, the cave-shaped whole ground of trench digging, fish scale pit specification, by forestry tillage operation seeding row spacing rules, the configuration of product word, the soil that trench digging is routed up is stupefied should be along downward domatic accumulation, rainwater will, along domatic inflow accumulation in each fish scale pit, can progressively make the soil in fish scale pit absorb like this.This technology retaining is effective, can be exempted to fill with revegetation.At present, the trench digging in fish scale pit all adopts artificial method, and labour intensity is large.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art, and the device that provides a kind of machinery to open fish scale pit, in the situation that solve hand labor, meet the shape need in fish scale pit.
The object of the invention realizes being completed by following technical scheme:
The present invention mainly comprises plough body 1, subsoiling cutter 2, sidewall cutting knife 3, observing and controlling land wheel 10, mainframe 4 and trifilar suspension frame 7, electric control system, hydraulic control system forms, described electric-control system is by the electric induction sheet on observing and controlling land wheel 10, ditch size and ground two fish scale pit spacing dimension signals of fish scale pit are delivered to the electric cabinet system, and then control hydraulic control system, make the plough body 1 on afer bay, sidewall cutting knife 3 is by control requirement knee-action, mainframe 4 is comprised of forebay and afer bay, forebay and afer bay connect by bearing pin 4-2 and hydraulic jack 5, plough body 1 is set on afer bay, front end at plough body 1 arranges sidewall cutting knife 3, be provided with trifilar suspension frame 7 and subsoiling cutter 2 on the mmi machine frame, forebay in described mainframe 4 by trifilar suspension frame 7, right crossbeam 4-3, left crossbeam 4-4 and in length and breadth beam 4-7 form, described plough body 1 is comprised of movable ploughshare, plow standard, slade, the warping surface of plow bottom, clean-up scraper, makes when coordinating with subsoiling cutter 2 and sidewall cutting knife 3 and realizes fish scale pit width 330-410mm and degree of depth 510mm, the plough of described plough body 1 point is 1099 ~ 1381mm with the coupling spacing of subsoiling cutter 2 points, with the coupling spacing of sidewall cutting knife 3 points be 388 ~ 740mm, described sidewall cutting knife 3 is fixed by 2 U-shaped cards and afer bay, and the left crossbeam 4-5 of sidewall cutting knife and afer bay vertical direction angle is 13-20 °, and the horizontal direction angle is 24 ~ 31 °, and subsoiling cutter 2 is 35 ° with the right crossbeam 4-3 of forebay ground level angle, described subsoiling cutter 2 is comprised of the seam of deep soil loosing shovel fixed board, the seam of subsoiling spade, subsoiling location shovel seat, subsoiling spear, deep soil loosing shovel vertical cutter.
Advantage of the present invention be can with domestic any a >=120 horsepowers of tractors are connected, general structure is rationally distributed, hydraulic system is simple, transmission is convenient and reliable; The range accuracy in fish scale pit is higher, and the size in hole can be adjusted at any time; Plow design is applicable to northern China arid, semiarid zone afforestation operation structure, stressed evenly reliable; The complete machine operating efficiency is high.And can adjust at any time the location gap size technologies parameter in fish scale pit according to the afforest woods skill requirement of land occupation condition of fish scale pit, be applicable to different size, large tracts of land different spacing fish scale pit afforestation.
The accompanying drawing explanation
Accompanying drawing 1 is looked schematic diagram for structure master of the present invention;
Accompanying drawing 2 is accompanying drawing 1 end view;
Accompanying drawing 3 is accompanying drawing 1 vertical view;
Accompanying drawing 4 is automatically controlled schematic diagram;
Accompanying drawing 5 is hydraulic diagram;
Accompanying drawing 6 is fish scale pit size schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, feature of the present invention and correlated characteristic thereof are described further:
As shown in accompanying drawing 1-6, the label 1-plough body in figure, 2-subsoiling cutter, 3-sidewall cutting knife, 4-mainframe, the right crossbeam of 4-1-, 4-2--bearing pin, the right crossbeam of 4-3--, the left crossbeam of 4-4--, the left crossbeam of 4-5--, 4-6--clean-up scraper, 4-7--be beam, 5-hydraulic jack, 6-electric control gear, 7-trifilar suspension frame, 8-gear graduation hydraulic pump, 9-furrow width adjustable plate, 10-observing and controlling land wheel, 11-solenoid directional control valve, 12-solenoid electric valve, 13-radiator, 14-hydraulic oil container, 15-support in length and breadth.
The present invention mainly comprises plough body 1, subsoiling cutter 2, sidewall cutting knife 3, land wheel 9, mainframe 4 and trifilar suspension frame 7, electric control system, hydraulic control system forms, described electric-control system is by the electric induction sheet on observing and controlling land wheel 10, the spacing dimension signal of ditching is delivered to the electric cabinet system, and then control hydraulic control system, make plough body 1 by control requirement knee-action, described electric-control system is as power supply by 24 volts of voltages of tractor Vehicular accumulator cell direct current, through electric-control system 4, by the electric induction sheet on observing and controlling land wheel 10, four different trench digging spacing dimension signals are delivered to the electric cabinet system, be used for controlling the integrated hydraulic device by electric control gear, thereby control the work of hydraulic pressure turnover oil cylinder.Described hydraulic system is connected with complete machine by the tractor three point linkage, the tractor rear power output shaft connects with hydraulic pump 8 through Hooks coupling universal coupling, through oil pipe, arrives solenoid directional control valve 11, then to solenoid electric valve 12, thereby control hydraulic jack 5, complete the lifting action of main plough body.Hydraulic oil container 14 is arranged on mainframe, and oil-circuit radiator 13 directly is connected with the tractor power supply, so that the temperature while reducing the hydraulic oil periodic duty guarantees working properly; Described plough body 1 is comprised of movable ploughshare, plow standard, slade, the warping surface of plow bottom, clean-up scraper, makes when coordinating with subsoiling cutter 2 and sidewall cutting knife 3 and realizes fish scale pit width 330-410mm and degree of depth 510mm; The plough of described plough body 1 point is 1099 ~ 1381mm with the coupling spacing of subsoiling cutter 2 points, with the coupling spacing of sidewall cutting knife 3 points be 388 ~ 740mm; Described sidewall cutting knife 3 is fixed by 2 U-shaped cards and afer bay, and the left crossbeam 4-5 of sidewall cutting knife and afer bay vertical direction angle is 13-20 °, and the horizontal direction angle is 24 ~ 31 °, and subsoiling cutter 2 is 35 ° with the right crossbeam 4-3 of forebay ground level angle; Described subsoiling cutter 2 is comprised of the seam of deep soil loosing shovel fixed board, the seam of subsoiling spade, subsoiling location shovel seat, subsoiling spear, deep soil loosing shovel vertical cutter.
Further illustrate: the present invention is the type power resources by>=120 horsepowers of tractors, first fish scale pit furrow plough complete machine is connected with the upper lower link of tractor trifilar suspension system, after tractor dynamic power exported to 6 tooth splined shafts be connected with Hooks coupling universal coupling one end of fish scale pit furrow plough complete machine, the other end of Hooks coupling universal coupling connects with two-stage gearbox and hydraulic gear pump, now the power output speed of tractor is 540 rev/mins, and furrow plough complete machine mekydro revolution speed requirement in fish scale pit is 2000 rev/mins, need the two-stage speedup, the hydraulic gear pump operating pressure is 16MPa, hydraulic flow is 50M
3.After connection, the power line of electric cabinet and radiator is connected with tractor 24 overhead accumulators, working dc power is provided.Start tractor the axle gear that outputs power and hang up, at first by the gearbox of 2 liters of gear lubricant injection liquid press pumps; Open the hydraulic oil container outlet valve, in fuel tank, add No. 35 hydraulic oil to till fuel tank oil ga(u)ge position.Then the rear power output shaft that starts tractor drives 8 work of hydraulic speed-changing pump through Hooks coupling universal coupling, now allows fish scale pit furrow plough complete machine in the dry run duty, mentions complete machine, and when plough body falls and ground keeps 150mm to be advisable.The overflow valve pressure of pre-adjustment hydraulic system, manually rotate observing and controlling land wheel 10, till afer bay and plough body can normally be rotated up and down along the middle turning cylinder of mainframe.According to listed indication form on electric control box, set 4 and controlled trench digging position switch button, controlling respectively 4 trench digging sizes setting, the ditching operation position, fish scale pit of 1.5 meters, 2.5 meters, 3.5 meters, 4.5 meters 4 different size positions.Arrive work operations place, actual forest land, the tractor operating speed is used low II shelves, and speed is 5 kilometers/hour, according to the resistance situation of soil, adjusts Hydraulic Relief Valve pressure size again, makes its normal operation.Now press the trench digging shift knob on electric control gear, according to forest land trench digging requirement, select any one in 4 trench digging sizes, corresponding relay indicating light is lighted, and PLC ﹑ counter, each parts of radiator are connected direct current.After completing above-mentioned inspection and operational motion, tractor is at the uniform velocity travelled forward, utilize tractor hydraulic system device control stick to be suspended to quick condition, the complete machine plough body is buried, enter the ditching operation duty, now tractor hydraulic oil cylinder control stick is in neutral position.Meanwhile electric control gear and hydraulic means are started working, and the tractor rear output shaft drives the hydraulic speed increasing pump work through Hooks coupling universal coupling, makes the hydraulic oil in hydraulic oil container start flow circuit.The observing and controlling land wheel is when contacting with ground, sensing chip on land wheel rotates with land wheel, and when sensing chip and automatically controlled inductor meet, inductor is received fish scale pit trench digging size and sent signal, be delivered to electric control gear, process through the electric control gear Program, command signal is delivered to hydraulic electric control valve piece, then commands hydraulicdirectional control valve work, hydraulic oil is transferred to hydraulic jack, control hydraulic jack bar indentation and release, the hydraulic jack stroke is 200mm, thereby control afer bay and plough body lift, put down.The opening and closing of hydraulic jack, complete the actions such as burying, ditch, mention of complete machine plough body, reciprocation cycle.And can be according to the specific requirement in local forestry fish scale pit, the different buttons of handling on electric control gear are realized plough body different spacing formula ditching operation, the overload protection of hydraulic jack has been combined by pleasant valve and hydraulic control one-way valve.And during the hydraulic oil periodic duty, will generate heat, hydraulic circulation pipe top is connected to form oil-circuit radiator with fan, for the cooling fluid force feed.Hydraulic oil container and hydraulic gear pump connected pipes joint all use the quick change joint, connection, convenient disassembly.And the outfit hydraulic gage, be convenient to observe the hydraulic working pressure situation.Further illustrate: mainframe 4 forms (referring to Fig. 3 vertical view) by forebay and afer bay (past from tractor) two parts, and the afer bay in mainframe is comprised of plough body parts 1, right crossbeam 4-1, left crossbeam 4-5 and clean-up scraper 4-6 again.The plow standard arc plate of plough body and the left and right crossbeam of afer bay are fixed by 2 bolts, and forebay is by right crossbeam 4-3, left crossbeam 4-4 and beam and hang riser and form in length and breadth.Forebay in mainframe by trifilar suspension frame 7, right crossbeam 4-3, left crossbeam 4-4 and in length and breadth beam 4-7 form.Forebay is connected through bearing pin 4-2 by 4 crossbeams mutually with afer bay, as shown in Fig. 3 vertical view cutaway drawing, the size that guarantees the dark 510mm in fish scale pit, wide 410mm hole completes wide 410mm at whole main frame structure by subsoiling cutter 2 and sidewall cutting knife 3, the ploughshare of plough body and the warping surface of plow bottom complete dark 510mm, and the fish scale pit size after trench digging as shown in Figure 6.Right crossbeam, hydraulic oil container 13 that subsoiling cutter 2 is arranged on forebay are arranged on the forebay right side of beam in length and breadth.Hooks coupling universal coupling, gear graduation hydraulic pump 8, radiator 12 are arranged on the middle part of forebay.Hydraulic jack 5 one ends are connected with the right crossbeam of afer bay, and the other end is connected with the riser in hanger bracket 7 in forebay.Electric-control system 6, observing and controlling land wheel 10, solenoid directional control valve 11, solenoid electric valve 12 are arranged on the left side of forebay.When oil cylinder turnover oil changes, make afer bay and plough body complete and move up and down.The ditch molded breadth degree 330-410mm of assurance fish scale pit furrow plough and degree of depth 510mm size are by plough body 1, furrow width adjustable plate 9, and subsoiling cutter 2, sidewall cutting knife 3 have coordinated.Wherein, plough body 1 is comprised of movable ploughshare, plow standard, slade, the warping surface of plow bottom, clean-up scraper.Because ploughshare is vulnerable part, this plough body manufactures movable ploughshare by ploughshare, and fixing with three-dimensional bottom by three ￠ 18mm dormant bolts, excessive wear is replaceable; Furrow width adjustable plate 9 moves up, guarantee trench digging width 330 ㎜, moving down and guarantee trench digging width 410 ㎜. slade, the warping surface of plow bottom and plow standard are welded, the plow standard body is connected with afer bay left and right plough body fixed head by 2 ￠ 22mm bolts, on the warping surface of plow bottom, edge has three movable long mouthful grooves, added the plough body curved surface long slab of digging, can be according to the selective adjustment of situation of digging of plough body trench digging.The selection of the warping surface of plow bottom is that clean-up scraper is arranged on warping surface of plow bottom afterbody for northern China sandy loam and meadow soil type, has 12cm slotted hole groove and regulates, according to the operation situation adjustment height of digging.Subsoiling cutter 2 is comprised of the seam of deep soil loosing shovel fixed board, the seam of subsoiling spade, subsoiling location shovel seat, subsoiling spear, deep soil loosing shovel vertical cutter, and subsoiling spear and subsoiling location shovel seat are fixed by 2 dormant bolts, according to the replaceable subsoiling spear of abrasion condition.Deep soil loosing shovel fixed board row has 10 bolts of 2 row and the right crossbeam of forebay to fix, and deep soil loosing shovel and ground level angle are 35 degree, and can adjust according to ditching depth the length of subsoiling cutter.Sidewall cutting knife 3 is fixed by 2 U-shaped cards and the left crossbeam of afer bay.The left beam vertical of sidewall cutting knife and afer bay angular separation is 17 degree, and the horizontal direction angle is 28 degree.Can adjust according to ditching depth the length of sidewall cutting knife.That is to say the different spacing formula ditch type that guarantees the fish scale pit furrow plough require the application's patent protection structure be 1. the ditch molded dimension ditched in fish scale pit be width 330-410mm and degree of depth 510mm ditch molded dimension by plough body 1, furrow width adjustable plate 9, mutual alignment and all parts structure of subsoiling cutter 2, sidewall cutting knife 3 determine.Plough body 1 is arranged on the middle afterbody of afer bay; Sidewall cutting knife 3 is arranged on the left crossbeam of afer bay; Subsoiling cutter 2 is arranged on the right crossbeam of forebay.The plough of plough body point is 1099 ~ 1381mm with the Proper Match distance of subsoiling point of a knife, with the Proper Match distance of sidewall cutting knife point be 388 ~ 740mm.When the fish scale pit furrow plough enters duty, forebay and tractor three point linkage rigid connection keep motionless, and the subsoiling cutter 2 that is connected to forebay is all the time in soil and cut out wide 60mm, the narrow ditch of subsoiling retaining of dark 500mm.Its effect one is when plough body enters duty, first outputs a narrow ditch of subsoiling retaining, to reduce the main plough body power-assisted of burying, dig; The 2nd, this that output narrow ditch of subsoiling retaining, keeping being connected with the fish scale pit at two ends, makes the rainwater flowed down along slope between two holes enter into narrow ditch, thereby effectively utilize natural rainfall.2. lift and fall for guaranteeing that plough body moves up and down, afer bay in need solution mainframe is after observing and controlling land wheel 10 sends induced signal, the opening and closing of hydraulic jack 5, complete the one action stroke and need the integrated and co-operating of the machinery of complete machine, automatically controlled, hydraulic pressure three structure member, can complete the fish scale pit space type ditching operation of the different afforestation of forestry rules.And plough body 1, sidewall cutting knife 3 be along with the afer bay motion of rising and falling simultaneously, in the complete machine motion process, the trench digging size of complete design regulation.Observing and controlling land wheel 10, support rotation fixed head ground wheeling supporting frame seam by wheelboss part, mobile leading screw, rotary handle, land wheel lifting square tube, land wheel and form.Observing and controlling land wheel external diameter is ￠ 500mm, and wheel rim is outer through being welded with 8 anti-skidding narrow boards, and 3 induction location thin slice seam are on wheel rim external diameter side.Electromagnetic inductor is arranged on the left crossbeam of forebay, and during complete machine work, when the observing and controlling land wheel rotates with complete machine, inductor is sensed signal, is relayed to electric control gear, thereby complete, controls the electromagnetic hydraulic pressure reversal valve.Each parts of complete machine of the present invention have steel part, hydraulic part, rubber tube, according to the differently soil regime of land occupation condition of ditching, can carry out the one man operation, and said device features rational structure is easy to operate, safely, reliably, for ease of maintenaince.Wherein, the tractor motive power output shaft rotating speed is n=540 rev/min, and secondary gear speedup rotating speed is n=2000 rev/min.
Its preferred type is:
Power resources--->=120 horsepowers of tractors
Type of belt drive---tractor rear power output shaft, Hooks coupling universal coupling, gearbox, hydraulic gear pump
Equipment---machinery, hydraulic pressure, automatically controlled combined type
Performance parameter is:
Remodeling product: fish scale pit furrow plough
Complete machine weight: >=800 ㎏
Ditch wide: 410 ㎜
Ditching depth: 510 ㎜
Furrower number: 1
Operating speed: low II shelves
DC voltage: 24V
Hydraulic jack: 1
Productivity ratio: 360/hour
Appearance and size: (length * wide * height) 2200mmx1400mmx1850mm
Although below with reference to accompanying drawing, the design according to the object of the invention and embodiment have been done to elaborate; but those of ordinary skills can recognize; under the precondition that does not break away from the claim limited range; still can make various improvement and conversion to the present invention, and this improvement and conversion still should belong to protection scope of the present invention.
Claims (6)
1. fish scale pit ditching device, it is characterized in that, mainly comprise plough body (1), subsoiling cutter (2), sidewall cutting knife (3), observing and controlling land wheel (10), mainframe (4) and trifilar suspension frame (7), electric control system, hydraulic control system forms, described electric-control system is by the electric induction sheet on observing and controlling land wheel (10), ditch size and ground two fish scale pit spacing dimension signals of fish scale pit are delivered to the electric cabinet system, and then control hydraulic control system, make the plough body (1) on afer bay, sidewall cutting knife (3) is by control requirement knee-action, mainframe (4) is comprised of forebay and afer bay, forebay and afer bay connect by bearing pin (4-2) and hydraulic jack (5), plough body (1) is set on afer bay, front end at plough body (1) arranges sidewall cutting knife (3), be provided with trifilar suspension frame (7) and subsoiling cutter (2) on the mmi machine frame.
2. fish scale pit according to claim 1 ditching device, is characterized in that, the forebay in described mainframe (4) by trifilar suspension frame (7), right crossbeam (4-3), left crossbeam (4-4) and in length and breadth beam (4-7) form.
3. fish scale pit according to claim 1 ditching device, it is characterized in that, described plough body (1) is comprised of movable ploughshare, plow standard, slade, the warping surface of plow bottom, clean-up scraper, makes when with subsoiling cutter (2) and sidewall cutting knife (3), coordinating and realize fish scale pit width 330-410mm and degree of depth 510mm.
4. fish scale pit according to claim 1 and 2 ditching device, is characterized in that, the plough point of described plough body (1) is 1099 ~ 1381mm with the coupling spacing of subsoiling cutter (2) point, and the coupling spacing sharp with sidewall cutting knife (3) is 388 ~ 740mm.
5. fish scale pit according to claim 4 ditching device, it is characterized in that, described sidewall cutting knife (3) is fixed by 2 U-shaped cards and afer bay, the left crossbeam of sidewall cutting knife and afer bay (4-5) vertical direction angle is 13-20 °, the horizontal direction angle is 24 ~ 31 °, and subsoiling cutter (2) is 35 ° with the right crossbeam of forebay (4-3) ground level angle.
6. fish scale pit according to claim 4 ditching device, is characterized in that, described subsoiling cutter (2) is comprised of the seam of deep soil loosing shovel fixed board, the seam of subsoiling spade, subsoiling location shovel seat, subsoiling spear, deep soil loosing shovel vertical cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101434013A CN102630403B (en) | 2012-05-10 | 2012-05-10 | Fish-scale pit furrowing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101434013A CN102630403B (en) | 2012-05-10 | 2012-05-10 | Fish-scale pit furrowing device |
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| CN102630403A CN102630403A (en) | 2012-08-15 |
| CN102630403B true CN102630403B (en) | 2013-12-11 |
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| CN2012101434013A Expired - Fee Related CN102630403B (en) | 2012-05-10 | 2012-05-10 | Fish-scale pit furrowing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106376254A (en) * | 2016-10-18 | 2017-02-08 | 芜湖仓实农业装备制造有限公司 | Plant protection agent spraying device for omnibearing subsoiling machine |
| CN107586219B (en) * | 2017-07-25 | 2020-12-11 | 西北农林科技大学 | Preparation method of fertilizer water pit for mountain apple orchard |
| CN107683661A (en) * | 2017-08-31 | 2018-02-13 | 中山诺顿科研技术服务有限公司 | One kind plantation implanted device |
| CN115399096B (en) * | 2022-08-31 | 2024-06-21 | 山东鲁研农业良种有限公司 | Wheat seeder with seeding depth adjusting function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1623365A (en) * | 2003-12-02 | 2005-06-08 | 中国科学院东北地理与农业生态研究所 | Fruit tree anti drought cultivation method |
| CN201919311U (en) * | 2010-12-16 | 2011-08-10 | 关华强 | Dry farming deep loosening ditcher |
| CN202197530U (en) * | 2011-07-01 | 2012-04-25 | 张新星 | Double-row ditcher |
| CN202524740U (en) * | 2012-05-10 | 2012-11-14 | 内蒙古自治区林业科学研究院 | Fish-scale pit ditching device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2591379C (en) * | 2007-06-12 | 2011-03-29 | Bourgault Industries Ltd. | Parallel link mounting arm for a furrow opener |
| CA2704416C (en) * | 2010-05-14 | 2013-08-13 | Bourgault Industries Ltd. | Depth adjustment of trailing arm furrow openers |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1623365A (en) * | 2003-12-02 | 2005-06-08 | 中国科学院东北地理与农业生态研究所 | Fruit tree anti drought cultivation method |
| CN201919311U (en) * | 2010-12-16 | 2011-08-10 | 关华强 | Dry farming deep loosening ditcher |
| CN202197530U (en) * | 2011-07-01 | 2012-04-25 | 张新星 | Double-row ditcher |
| CN202524740U (en) * | 2012-05-10 | 2012-11-14 | 内蒙古自治区林业科学研究院 | Fish-scale pit ditching device |
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Granted publication date: 20131211 Termination date: 20190510 |