CN109005712A - A kind of multifunctional farm implements accessory - Google Patents

A kind of multifunctional farm implements accessory Download PDF

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Publication number
CN109005712A
CN109005712A CN201810710293.0A CN201810710293A CN109005712A CN 109005712 A CN109005712 A CN 109005712A CN 201810710293 A CN201810710293 A CN 201810710293A CN 109005712 A CN109005712 A CN 109005712A
Authority
CN
China
Prior art keywords
rotation axis
rack
sowing
shell
farm implements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810710293.0A
Other languages
Chinese (zh)
Inventor
梁永飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Ya Kai Pu Machinery Technology Co Ltd
Original Assignee
Hefei Ya Kai Pu Machinery Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Ya Kai Pu Machinery Technology Co Ltd filed Critical Hefei Ya Kai Pu Machinery Technology Co Ltd
Priority to CN201810710293.0A priority Critical patent/CN109005712A/en
Publication of CN109005712A publication Critical patent/CN109005712A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00Combined machines
    • A01B49/04Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
    • A01B49/06Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
    • A01B49/065Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven

Abstract

The invention discloses a kind of multifunctional farm implements accessories, including rack, arable land component, Seeding box and sowing assembly, link block is connected on the right side of the rack, the link block is rotatablely connected connecting rod by No.1 rotation axis, No.1 motor is provided on the right side of the frame upper end, the No.1 motor is fixedly connected with rack by fixed frame, No. two rotation axis are connected on front side of the No.1 motor, and No. two rotation axis front ends are provided with No.1 runner, the No.1 runner connects No. two runners by belt, connects No. three rotation axis in the middle part of No. two runners.The present invention is connect by connecting rod with driving agricultural machinery, pass through No.1 motor, the cooperation of No. two rotation axis, No.1 runner, belt, No. two runners and No. three rotation axis, arable land component is driven to turn over soil, and it is sowed by sowing assembly, to realize while turn over and sowing, a large amount of labours have been saved, and then have improved the working efficiency of multifunctional farm implements accessory.

Description

A kind of multifunctional farm implements accessory
Technical field
The present invention relates to a kind of farm machinery parts, specifically a kind of multifunctional farm implements accessory.
Background technique
Agricultural machinery accessory it is more general summarise mechanical fitting associated with agricultural production, it is very wide to cover face.Than Such as: tractor dynamic power mechanical fitting, tire, wagon box etc., cropper include harvester for potato, harvester for peanut, agricultural machinery and implement (pears Rake is broadcast) by taking plough as an example, plough includes disc plough, and mouldboard plow, animal-drawn plough, the component part of these complete machines includes plough point, plough leg, plough Ploughshare, blades etc..Associated industry, agricultural machinery accessory can be known as by producing matched product accessories.
Then farm machinery parts currently on the market only have single function, are not able to satisfy many-sided demand, waste of resource, at This height, it is complicated for operation, and be not easy to type as needed and carry out selection replacement.Therefore, those skilled in the art provide one kind Multifunctional farm implements accessory, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of multifunctional farm implements accessories, to solve mentioned above in the background art ask Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of multifunctional farm implements accessory, including rack, arable land component, Seeding box and sowing assembly, the rack right side connect Link block is connect, the link block is rotatablely connected connecting rod by No.1 rotation axis, and No.1 electricity is provided on the right side of the frame upper end Machine, the No.1 motor are fixedly connected with rack by fixed frame, No. two rotation axis are connected on front side of the No.1 motor, and No. two turn Moving axis front end is provided with No.1 runner, and the No.1 runner connects No. two runners, connection in the middle part of No. two runners by belt No. three rotation axis, No. three rotation axis middle part is provided with arable land component, and No. three rotation axis pass through fixed link and rack lower end Connection.
It is provided with Seeding box in the middle part of the frame upper end, the Seeding box upper end is provided with case lid, the Seeding box lower end Sowing assembly is connected, the sowing assembly includes shell, cavity and runner assembly, and rack is run through in the shell lower end, described outer It is provided with cavity in shell, and cavity upper end is connected to Seeding box, is provided with runner assembly in the middle part of the cavity, in the runner assembly It is provided with No.1 sowing channel, the runner assembly includes No.1 sliding part, No. two sliding parts, interconnecting piece and gear part, described No.1 sliding part and No. two sliding parts are slidably connected shell, are provided with connection between the No.1 sliding part and No. two sliding parts Portion, the interconnecting piece top are provided with gear part, engagement connection unilateral gear on the left of the gear part, on the left of the unilateral gear No. four rotation axis are connected, shell and motor housing are run through in No. four rotation axis left ends, and No. four rotation axis left ends connect No. two electricity Machine, No. two motors are arranged in motor housing, and shell is fixedly connected on the right side of motor housing, No. two sliding part lower ends setting Fixed block, the fixed block are fixedly connected with shell, are correspondingly arranged on No. two sowings with No.1 sowing channel in the fixed block and manage Road, the outer casing bottom are provided with sowing opening, and a point native part is provided on the right side of the sowing opening, is provided with lid on the left of the sowing opening Native part, described point of native part and blinding part upper end are fixedly connected with shell.
The rack left part is set as hollow structure, and left part is provided with shake handle, the shake handle on front side of the rack Hand connects No. five rotation axis, and No. five rotation axis other ends are through rack front side wall and connect rack rear wall, and described No. five It is provided with gear in the middle part of rotation axis, elevating lever is connected on the left of the gear, and be correspondingly arranged on rack gear with gear on the right side of elevating lever Structure, the elevating lever are slidably connected rack, and the rack is fixedly connected with elevating lever by rotation button, and the elevating lever lower end is logical Cross No. six rotation axis rotation connection wheels.
As a further solution of the present invention: the No.1 sowing upper part of channel is set as funnel-shaped structure, and funnel-form Body structure surface is set as smooth structure.
As further scheme of the invention: the housing interior side-wall and No.1 sliding part, No. two sliding parts are corresponding It is provided with sliding slot.
As further scheme of the invention: the outer casing bottom is set as ramp structure, table on the ramp structure Face is set as smooth structure.
As further scheme of the invention: be connected by a hinge Seeding box on the left of the case lid, on the right side of the case lid It is provided with bayonet, and upper end and bayonet are correspondingly arranged on card slot on the right side of Seeding box.
As further scheme of the invention: No. three rotation axis are respectively fixedly connected with No. two runners and arable land group Part, and No. three rotation axis are rotatablely connected fixed link.
As further scheme of the invention: the No.1 motor model is Y280M-2, and No. two motor models are Y132S2-2。
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is connect by connecting rod with driving agricultural machinery, passes through No.1 motor, No. two rotation axis, No.1 runner, skin The cooperation of band, No. two runners and No. three rotation axis drives arable land component to turn over soil, and is broadcast by sowing assembly Kind, to realize while turn over and sowing, a large amount of labours are saved, and then improve the work effect of multifunctional farm implements accessory Rate.
2, the present invention can be controlled by the cooperation of runner assembly ,-unilateral gear, No. four rotation axis, No. two motors and fixed block The rhythm of record and broadcast kind, and make being equidistant for adjacent sowing cave, improve the controllability and standardization of sowing.
3, the present invention prevents soil clogging sowing opening, to improve the efficiency of sowing, simultaneously by a point setting for native part By the setting of blinding part, soil is made to cover the seed sowed, improve the survival rate of seed, and then improves crops Production efficiency and business efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multifunctional farm implements accessory.
Fig. 2 is a kind of structural schematic diagram of sowing assembly in multifunctional farm implements accessory.
Fig. 3 is a kind of schematic diagram of internal structure of runner assembly in multifunctional farm implements accessory.
Fig. 4 is the top cross-sectional view of point native part and blinding part in a kind of multifunctional farm implements accessory.
Fig. 5 is the structural schematic diagram in a kind of multifunctional farm implements accessory on the left of machine frame inside.
In figure: 1- rack, 2- link block, 3- No.1 rotation axis, 4- connecting rod, 5- No.1 motor, 6- fixed frame, 7- bis- Rotation axis, 8- No.1 runner, 9- belt, No. bis- runners of 10-, No. tri- rotation axis of 11-, the arable land 12- component, 13- fixed link, 14- Seeding box, 15- case lid, 16- hinge, 17- buckle, 18- card slot, 19- sowing assembly, 1901- shell, 1902- cavity, 1903- Runner assembly, 19031- No.1 sliding part, No. bis- sliding parts of 19032-, 19033- interconnecting piece, 19034- gear part, 1904- are mono- Side gear, No. tetra- rotation axis of 1905-, 1906- motor housing, No. bis- motors of 1907-, 1908- fixed block, the sowing of 1909- No.1 are logical Road, No. bis- sowing channels 1910-, 1911- sowing opening, 1912- points of native parts, 1913- blinding part, 20- shake handle, 21- five Rotation axis, 22- gear, 23- elevating lever, 24- rack structure, 25- rotation button, No. six rotation axis of 26-, 27- wheel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~5, in the embodiment of the present invention, a kind of multifunctional farm implements accessory, including rack 1, arable land component 12, Seeding box 14 and sowing assembly 19, link block 2 is connected on the right side of the rack 1, and the link block 2 passes through the rotation of No.1 rotation axis 3 Connecting rod 4 is connected, No.1 motor 5 is provided on the right side of 1 upper end of rack, the No.1 motor 5 is fixedly connected by fixed frame 6 Rack 1 connects No. two rotation axis 7 on front side of the No.1 motor 5, and No. two 7 front ends of rotation axis are provided with No.1 runner 8, described No.1 runner 8 connects No. two runners 10 by belt 9, No. three rotation axis 11 of connection in the middle part of No. two runners 10, and described No. three Arable land component 12 is provided in the middle part of rotation axis 11, and No. three rotation axis 11 are connect by fixed link 13 with 1 lower end of rack.
1 upper center of rack is provided with Seeding box 14, and 14 upper end of Seeding box is provided with case lid 15, the sowing 14 lower end of case connects sowing assembly 19, and the sowing assembly 19 includes shell 1901, cavity 1902 and runner assembly 1903, described Rack 1 is run through in 1901 lower end of shell, cavity 1902 is provided in the shell 1901, and 1902 upper end of cavity is connected to Seeding box 14, runner assembly 1903 is provided in the middle part of the cavity 1902, and No.1 sowing channel is provided in the runner assembly 1903 1909, the runner assembly 1903 includes 19031, No. two sliding parts 19032 of No.1 sliding part, interconnecting piece 19033 and gear part 19034, the No.1 sliding part 19031 and No. two sliding parts 19032 are slidably connected shell 1901, the No.1 sliding part Interconnecting piece 19033 is provided between 19031 and No. two sliding parts 19032,19033 top of interconnecting piece is provided with gear part 19034, engagement connection unilateral gear 1904 on the left of the gear part 19034, connection four turn on the left of the unilateral gear 1904 Shell 1901 and motor housing 1906, and No. four 1905 left ends of rotation axis are run through in moving axis 1905,1905 left end of No. four rotation axis No. two motors 1907 are connected, No. two motors 1907 setting is fixedly connected in motor housing 1906, and on the right side of motor housing 1906 Fixed block 1908 is arranged in shell 1901,19032 lower end of No. two sliding parts, and the fixed block 1908 is fixedly connected with shell 1901, the fixed block 1908 is interior to be correspondingly arranged on No. two sowing pipelines 1910, the shell with No.1 sowing channel 1909 1901 bottoms are provided with sowing opening 1911, and a point native part 1912 is provided on the right side of the sowing opening 1911, and the sowing opening 1911 is left Side is provided with blinding part 1913, and described point of native part 1912 and 1913 upper end of blinding part are fixedly connected with shell 1901.
1 left part of rack is set as hollow structure, and the 1 front side left part of rack is provided with shake handle 20, described to shake Dynamic handle 20 connects No. five rotation axis 21, and 21 other end of No. five rotation axis is through 1 front side wall of rack and 1 rear side of connection rack Wall is provided with gear 22 in the middle part of No. five rotation axis 21, and elevating lever 23, and 23 right side of elevating lever are connected on the left of the gear 22 Rack structure 24 is correspondingly arranged on gear 22, and the elevating lever 23 is slidably connected rack 1, and the rack 1 passes through rotation button 25 It is fixedly connected with elevating lever 23,23 lower end of elevating lever is rotatablely connected wheel 27 by No. six rotation axis 26.
The No.1 sowing 1909 top of channel is set as funnel-shaped structure, and funnel-shaped structure surface is set as smooth knot Structure.
1901 inner sidewall of shell and 19031, No. two sliding parts 19032 of No.1 sliding part are correspondingly arranged on sliding slot.
1901 bottom of shell is set as ramp structure, and the ramp structure upper surface is set as smooth structure.
Seeding box 14 is connected by hinge 16 on the left of the case lid 15, is provided with bayonet 17 on the right side of the case lid 15, and broadcast 14 right side upper end of plants case and bayonet are correspondingly arranged on card slot 18.
No. three rotation axis 11 are respectively fixedly connected with No. two runners 10 and arable land component 12, and No. three rotation axis 11 rotate It is connected and fixed bar 13.
No.1 motor 5 the model Y280M-2, the 1907 model Y132S2-2 of No. two motors.
The working principle of the invention is:
The present invention relates to a kind of multifunctional farm implements accessories, when using the multifunctional farm implements accessory, by connecting rod 4 and drive Dynamic agricultural machinery connection, passes through 5, No. two rotation axis 7 of No.1 motor, No.1 runner 8,9, No. two runners 10 of belt and No. three rotation axis 11 Cooperation, drive arable land component 12 to turn over soil, and sowed by sowing assembly 19, the multifunctional farm implements accessory It realizes while turning over and sowing, saved a large amount of labours, and then improve the working efficiency of multifunctional farm implements accessory.
The multifunctional farm implements accessory passes through runner assembly 1903, the motor of rotation axis 1905, two of unilateral gear 1904, four 1907 and fixed block 1908 cooperation, can control the rhythm of sowing, and be equidistant adjacent sowing cave, that improves sowing can Control property and standardization.
The multifunctional farm implements accessory prevents soil clogging sowing opening 1911, to improve by a point setting for native part 1912 The efficiency of sowing, while passing through the setting of blinding part, so that soil is covered the seed sowed, improves the survival of seed Rate, and then improve the production efficiency and business efficiency of crops.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms, should not will weigh Any appended drawing reference in benefit requirement is construed as limiting the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of multifunctional farm implements accessory, including rack (1), arable land component (12), Seeding box (14) and sowing assembly (19), It is characterized in that, connect link block (2) on the right side of the rack (1), the link block (2) is rotatablely connected by No.1 rotation axis (3) Connecting rod (4), rack (1) the upper end right side are provided with No.1 motor (5), and the No.1 motor (5) is solid by fixed frame (6) Surely rack (1) is connected, No. two rotation axis (7) is connected on front side of the No.1 motor (5), and No. two rotation axis (7) front ends are provided with No.1 runner (8), the No.1 runner (8) connect No. two runners (10) by belt (9), connect in the middle part of No. two runners (10) No. three rotation axis (11) are connect, arable land component (12) are provided in the middle part of No. three rotation axis (11), and No. three rotation axis (11) are logical Fixed link (13) is crossed to connect with rack (1) lower end;
Rack (1) upper center is provided with Seeding box (14), and Seeding box (14) upper end is provided with case lid (15), described Seeding box (14) lower end connects sowing assembly (19), and the sowing assembly (19) includes shell (1901), cavity (1902) and turns Rack (1) is run through in dynamic component (1903), shell (1901) lower end, is provided with cavity (1902) in the shell (1901), And cavity (1902) upper end connection Seeding box (14), cavity (1902) middle part are provided with runner assembly (1903), described turn No.1 sowing channel (1909) is provided in dynamic component (1903), the runner assembly (1903) includes No.1 sliding part (19031), No. two sliding parts (19032), interconnecting piece (19033) and gear part (19034), the No.1 sliding part (19031) It is slidably connected shell (1901) with No. two sliding parts (19032), the No.1 sliding part (19031) and No. two sliding parts (19032) it is provided between interconnecting piece (19033), interconnecting piece (19033) top is provided with gear part (19034), described Engagement connection unilateral gear (1904) on the left of gear part (19034), unilateral gear (1904) left side connect No. four rotation axis (1905), shell (1901) and motor housing (1906), and No. four rotation axis are run through in No. four rotation axis (1905) left end (1905) left end connects No. two motors (1907), and No. two motors (1907) setting is in motor housing (1906), and motor housing (1906) right side is fixedly connected shell (1901), and fixed block (1908) are arranged in No. two sliding parts (19032) lower end, described solid Determine block (1908) to be fixedly connected shell (1901), be correspondingly arranged in the fixed block (1908) with No.1 sowing channel (1909) No. two sowing pipelines (1910), shell (1901) bottom are provided with sowing opening (1911), on the right side of the sowing opening (1911) Be provided with point a native part (1912), be provided with blinding part (1913) on the left of the sowing opening (1911), described point of native part (1912) and Blinding part (1913) upper end is fixedly connected with shell (1901);
Rack (1) left part is set as hollow structure, and left part is provided with shake handle (20) on front side of the rack (1), described Shake handle (20) connects No. five rotation axis (21), and No. five rotation axis (21) other end runs through rack (1) front side wall and company Pick frame (1) rear wall, is provided with gear (22) in the middle part of No. five rotation axis (21), connection lifting on the left of the gear (22) Bar (23), and be correspondingly arranged on rack structure (24) on the right side of elevating lever (23) with gear (22), elevating lever (23) sliding connects Pick frame (1), and the rack (1) is fixedly connected elevating lever (23) by rotation button (25), and elevating lever (23) lower end passes through No. six rotation axis (26) are rotatablely connected wheel (27).
2. a kind of multifunctional farm implements accessory according to claim 1, which is characterized in that the No.1 sows channel (1909) Top is set as funnel-shaped structure, and funnel-shaped structure surface is set as smooth structure.
3. a kind of multifunctional farm implements accessory according to claim 1, which is characterized in that shell (1901) inner sidewall with No.1 sliding part (19031), No. two sliding parts (19032) are correspondingly arranged on sliding slot.
4. a kind of multifunctional farm implements accessory according to claim 1, which is characterized in that shell (1901) the bottom setting For ramp structure, the ramp structure upper surface is set as smooth structure.
5. a kind of multifunctional farm implements accessory according to claim 1, which is characterized in that pass through hinge on the left of the case lid (15) Chain (16) connects Seeding box (14), is provided with bayonet (17) on the right side of the case lid (15), and upper end and card on the right side of Seeding box (14) Mouth is correspondingly arranged on card slot (18).
6. a kind of multifunctional farm implements accessory according to claim 1, which is characterized in that No. three rotation axis (11) are respectively It is fixedly connected with No. two runners (10) and arable land component (12), and No. three rotation axis (11) rotation connections fixed link (13).
7. a kind of multifunctional farm implements accessory according to claim 1, which is characterized in that No.1 motor (5) model Y280M-2, No. two motors (1907) the model Y132S2-2.
CN201810710293.0A 2018-07-02 2018-07-02 A kind of multifunctional farm implements accessory Pending CN109005712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810710293.0A CN109005712A (en) 2018-07-02 2018-07-02 A kind of multifunctional farm implements accessory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810710293.0A CN109005712A (en) 2018-07-02 2018-07-02 A kind of multifunctional farm implements accessory

Publications (1)

Publication Number Publication Date
CN109005712A true CN109005712A (en) 2018-12-18

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CN201810710293.0A Pending CN109005712A (en) 2018-07-02 2018-07-02 A kind of multifunctional farm implements accessory

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110463388A (en) * 2019-09-10 2019-11-19 阜阳金亮园林绿化工程有限公司 A kind of gardens site preparation sowing integrated machine equipment
CN112616366A (en) * 2020-12-20 2021-04-09 温玉萍 Seeder with adjustable seeding depth and seeding distance

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WO2017117638A1 (en) * 2016-01-08 2017-07-13 Noer Miguel Humberto Structural arrangement in seed metering and conveying system, used in a sowing machine
CN106962060A (en) * 2017-05-27 2017-07-21 贵州花果山现代农业开发有限责任公司 A kind of Kiwi berry method for culturing seedlings
CN206760014U (en) * 2017-06-09 2017-12-19 辽宁省风沙地改良利用研究所 A kind of grass seed drill
CN107690901A (en) * 2017-11-14 2018-02-16 河南科技大学 A kind of broadcast leakage detection sead feeder and its detection method
CN207099570U (en) * 2017-06-22 2018-03-16 胡云宇 A kind of agricultural loosenning tiller
CN107810671A (en) * 2017-10-24 2018-03-20 房立洲 A kind of multifunctional corn seeding apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017117638A1 (en) * 2016-01-08 2017-07-13 Noer Miguel Humberto Structural arrangement in seed metering and conveying system, used in a sowing machine
CN206100847U (en) * 2016-10-12 2017-04-19 濮阳市农业科学院 It ploughs fertilization all -in -one to be used for wheat cover peanut to plant tanaka
CN106962060A (en) * 2017-05-27 2017-07-21 贵州花果山现代农业开发有限责任公司 A kind of Kiwi berry method for culturing seedlings
CN206760014U (en) * 2017-06-09 2017-12-19 辽宁省风沙地改良利用研究所 A kind of grass seed drill
CN207099570U (en) * 2017-06-22 2018-03-16 胡云宇 A kind of agricultural loosenning tiller
CN107810671A (en) * 2017-10-24 2018-03-20 房立洲 A kind of multifunctional corn seeding apparatus
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110463388A (en) * 2019-09-10 2019-11-19 阜阳金亮园林绿化工程有限公司 A kind of gardens site preparation sowing integrated machine equipment
CN110463388B (en) * 2019-09-10 2022-08-09 阜阳汇中芯自动化技术有限公司 Gardens are with soil preparation seeding integration mechanical equipment
CN112616366A (en) * 2020-12-20 2021-04-09 温玉萍 Seeder with adjustable seeding depth and seeding distance

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Application publication date: 20181218

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