CN109644638A - A kind of field scriber and its application method - Google Patents

A kind of field scriber and its application method Download PDF

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Publication number
CN109644638A
CN109644638A CN201811622575.1A CN201811622575A CN109644638A CN 109644638 A CN109644638 A CN 109644638A CN 201811622575 A CN201811622575 A CN 201811622575A CN 109644638 A CN109644638 A CN 109644638A
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China
Prior art keywords
roller
hopper
steel ball
drawstring
support rod
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Granted
Application number
CN201811622575.1A
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Chinese (zh)
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CN109644638B (en
Inventor
蒋飞
杨小华
吴静
曾苏明
宋春林
吴秋平
韩成卫
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Research Of Agricultural Science Institute Of Jining City
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Research Of Agricultural Science Institute Of Jining City
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Priority to CN201811622575.1A priority Critical patent/CN109644638B/en
Publication of CN109644638A publication Critical patent/CN109644638A/en
Application granted granted Critical
Publication of CN109644638B publication Critical patent/CN109644638B/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C14/00Methods or apparatus for planting not provided for in other groups of this subclass

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Crushing And Grinding (AREA)
  • Road Repair (AREA)

Abstract

The invention discloses a kind of field scribers, including hopper, hopper lower end offers meal outlet, traction piece is connected on hopper outer wall, there are two the quantity of traction piece is set, the traction piece other end is fixedly connected with the first roller and second tin roller, first roller and second tin roller are connected on two support rods, first through hole is equipped on two support rods, traction piece passes through the first through hole and is respectively wound around on the first roller and second tin roller, hopper also slidably connects fixing piece, and fixing piece both ends are separately connected on support rod.The configuration of the present invention is simple can be directly realized by the reciprocating movement of hopper using the first roller and second tin roller, it turns back without staff at field both ends, by the way that steel ball hoisting mechanism is arranged, the opening and closing of meal outlet are realized, spherical arc is utilized, it glides convenient for pulverized limestone along cambered surface, the scribing line for forming uniformly continuous effectively prevent meal outlet to be blocked by pulverized limestone by setting protrusion, it is easy to operate, it is simple and practical.

Description

A kind of field scriber and its application method
Technical field
The present invention relates to lineation device technical fields, and in particular to a kind of field scriber and its application method.
Background technique
In agricultural sciences experiment, in order to guarantee the accuracy of experimental data, make to sow line-spacing and spacing in the rows one as far as possible It causes, the sowing position in experimental plot is needed to mark prior to seeding.The method to make marks at present is gone according to sowing first Away from needs, draw uplink print in a longitudinal direction, since longitudinal upper distance is longer, can using mechanical drive marking ga(u)ge come operation, When laterally paddling, following several method is mainly used: first, two operators stretch cord using the method for drawing horizontal line, Centre has that personnel's foot is stepped on or the methods of wheelbarrow is pressed through along cord, and this method not only large labor intensity occupies personnel It is more, and be prone to bending, causing experimental data, there are errors;Second, artificial pull the utensil that simply paddles, can draw more Row, but the device large labor intensity, it is inconvenient for operation, and also the marking that paddles is prone to bending.
Through retrieving, application No. is 201220119623.7 Chinese utility model patents to disclose a kind of runway scriber, Including trolley and the multiple dusting funnels being separately positioned on trolley.Runway scriber of the present invention is due to leaking multiple dustings Bucket is uniformly arranged on trolley, can with trolley it is at the uniform velocity mobile draw be parallel to each other, neatly, uniform racing track line, no It is only time saving and energy saving, also save pulverized limestone;The present invention is at low cost, and structure is simple, easy to implement.
Although above-mentioned apparatus can mark multiple lines being parallel to each other, which needs staff manually and pushes scribing line Device advances, time-consuming and laborious, increases the labor intensity of staff.
Application No. is 201820189329.0 Chinese utility model patents to disclose a kind of out-of-flatness field marking ga(u)ge, relates to And mechanical equipment technical field, a kind of out-of-flatness field marking ga(u)ge, including frame assembly, the frame assembly include middle pull rod and Rear bar, the rear bar middle part are fixedly connected with middle pull rod, scribing line component, the scribing line component packet are slidably fitted in the rear bar It includes a sliding sleeve, is fixedly connected with outer tube on the downside of sliding sleeve, inner tube is sliding combined in the outer tube, the is equipped in the outer tube One spring, first spring are connected with inner tube, and the marking knife for scribing line is equipped on the downside of said inner tube.The present invention utilizes bullet Spring force and adjustment spring pressure realize the dashing work on out-of-flatness ground, equipment letter to change the regulating mechanism of scribing line dynamics Single reliable, practicability is high, at low cost, and people is facilitated to promote the use of.
Above-mentioned apparatus pulls pull rod that marking knife is driven to cross by staff, but large labor intensity, in field In it is inconvenient for operation, and the line that marking knife marks is not obvious enough, is prone to bending, high-visible not as good as pulverized limestone.
Summary of the invention
In order to solve above-mentioned one of defect existing in the prior art, a kind of field scriber and its user are provided Method.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of field scriber, including hopper, the hopper lower end offer meal outlet, are connected on the hopper outer wall Traction piece, there are two the quantity of the traction piece is set, the traction piece other end is fixedly connected with the first roller and second tin roller, First roller and second tin roller are connected on two support rods, are equipped with first through hole on described two support rods, The traction piece passes through the first through hole and is respectively wound around on first roller and second tin roller, the hopper also company of sliding It is connected to fixing piece, the fixing piece both ends are connected on support rod.
Preferably, the hopper is set there are two slide opening, and described two slide openings are symmetrical set.
Preferably, it is set with sliding bar on the support rod, forms cavity between the sliding bar and the support rod, The fixing piece is passed through in the cavity, threaded hole is additionally provided on the sliding bar, and cooperation is equipped with bolt in the threaded hole.
Preferably, the fixing piece is wirerope, and the traction piece is to roll tightly sheet steel bar.
Preferably, hollow pipe, the center line phase of the center line of the hollow pipe and the hopper are additionally provided in the hopper It is overlapped, drawstring is equipped in the hollow pipe, described drawstring one end is connected with a steel ball, and the drawstring is additionally provided with several protrusions, institute The diameter for stating steel ball is equal to the diameter of the meal outlet, and the steel ball is located at the lower section of the hopper, and the center of the steel ball The distance of line to meal outlet is s, and the other end of the drawstring is connected with first roller.
Preferably, steel ball hoisting mechanism is additionally provided on the support rod.
Preferably, the steel ball hoisting mechanism includes shaft, and the shaft is movably connected on the support rod, institute It states and is connected with driving lever in shaft, the distance that the driving lever keeps drawstring mobile is set as d, and d=s.
Preferably, the steel ball hoisting mechanism is magnet.
Preferably, handle is equipped on first roller and second tin roller.
A kind of application method of field scriber, comprising the following steps:
(1) when in use, support rod is fixed on to the both ends in experimental plot first;
(2) by the slide opening of steel wire penetrating hopper, the both ends of wirerope are protruded into cavity, and bolt is screwed on sliding bar Threaded hole, with the continuous screw-in of bolt, sliding bar and support rod are close to each other, continuous extruded cords rope, and it is solid to complete wirerope It is fixed;
(3) staff rotate the handle on second tin rollers, move hopper to close to the by rolling tightly sheet strip of steel The directions of two rollers is mobile, and pulverized limestone is added into hopper for stopping when forgetting about it edge, and then another staff shakes the Handle on one roller drives the rotation of the first roller, and the traction of the first roller rolls tightly sheet steel bar and drawstring while rotating, with volume Tight sheet steel bar is constantly wrapped on the first roller, and hopper is slowly mobile to the first roller direction, in moving process, pulverized limestone It is flowed out from meal outlet, forms uniform straight line together;
(4) when scribing line needs to stop, drawstring is paved using steel ball hoisting mechanism, drawstring drives steel ball to move up, steel ball Meal outlet is blocked;
(5) support rod then is moved to the next position, repeat the above process.
Compared with prior art, the beneficial effects of the present invention are:
1. on the one hand the configuration of the present invention is simple can be directly realized by the reciprocal of hopper using the first roller and second tin roller It is mobile, it turns back without staff at field both ends, on the other hand firmly scriber is pulled to cross without staff, only The first roller and second tin roller need to be gently rotated, intensity of workers is significantly reduced;
2. the present invention can cleverly be jacked up drawstring by setting steel ball hoisting mechanism, to realize steel ball and powder out Mouth fits closely, and any position in scratching process can all realize the opening and closing of meal outlet, is on the one hand not necessarily to work people Member is looking for other articles progress leak stopping, facilitates the addition of pulverized limestone, on the other hand also reduces the unnecessary waste of pulverized limestone, Resource is saved;
3. the present invention is only expected using steel ball, using spherical arc, glide convenient for pulverized limestone along cambered surface, formation uniformly connects Continuous scribing line is more favorable for dusting, better effect compared to conventional flat shape;
4. drawstring of the present invention is equipped with protrusion, when meal outlet is blocked by pulverized limestone, by pulling drawstring, drive in protrusion Meal outlet dredging is opened in lower movement, easy to operate, is individually come at hopper and is dredged again without staff, time saving It is laborsaving, it improves work efficiency.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of structural schematic diagram for field scriber that embodiment one proposes.
Fig. 2 is support rod and sliding bar attachment structure schematic diagram in Fig. 1.
Fig. 3 is support rod side view in Fig. 1.
Fig. 4 is hopper side view in Fig. 1.
Fig. 5 is a kind of structural schematic diagram of the field scriber proposed in embodiment two.
Fig. 6 is a-quadrant structural schematic diagram in Fig. 5.
Fig. 7 is hopper side view in Fig. 5.
Fig. 8 is support rod side view in Fig. 5.
Description of symbols:
1 support rod;2 first rollers;3 second tin rollers;4 roll tightly sheet steel bar;5 hoppers;51 meal outlets;52 slide openings;6 steel Cord;7 drawstrings;71 protrusions;8 hollow pipes;9 connecting rods;10 steel balls;11 shafts;12 driving levers;13 handles;14 sliding bars;141 screw threads Hole;15 brackets;16 bolts;17 first through hole;18 cavitys;
19 first pulleys;20 fixed plates;21 magnet;22 second pulleys;23 second through-holes.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Embodiment one
As shown in Figs 1-4, a kind of field scriber that the present embodiment proposes, it includes hopper 5, further, in order to Blanking is more smooth, and the lower end of hopper 5 can be taper, opens in 5 bottom of hopper and is additionally provided with meal outlet 51, on 5 outer wall of hopper Be connected with and roll tightly sheet steel bar 4, further, roll tightly sheet steel bar 4 quantity set there are two, it is another to roll tightly sheet steel bar 4 End has been respectively fixedly connected with the first roller 2 and second tin roller 3, advantageous, and the first roller 2 and second tin roller 3 can be cylinder, First roller 2 and second tin roller 3 are rotatably connected on two support rods 1 by bracket 15 respectively, utilize the first roller 2 and second On the one hand roller 3 can be directly realized by the reciprocating movement of hopper 5, turn back without staff at field both ends, another party is not necessarily to Staff firmly pulls scriber to cross, and only need to gently rotate the first roller 2 and second tin roller 3, mitigate significantly Staff's intensity, structure is simple, practical and convenient, advantageous, the shape of support rod 2 can be round tube, further, two It is equipped with first through hole 17 on a support rod 1, sheet steel bar 4 is rolled tightly across first through hole 17 and is respectively wound around 2 He of the first roller On second tin roller 3.
It for better stationary hopper 5, is set on hopper 5 there are two slide opening 52, advantageous, two slide openings 52 are in symmetrical Setting, wirerope 6 pass through two slide openings 52, are connected respectively with support rod 1.Further, tearing open in order to facilitate wirerope 6 It unloads, sliding bar 14 is set on two support rods 1, form cavity 18 between sliding bar 14 and support rod 1, worn in cavity 18 Wirerope 6 is crossed, further, threaded hole 141 is equipped on sliding bar 14, is connected with bolt 16 in threaded hole 141.
Hollow pipe 8 is additionally provided in hopper 5, advantageous, the center line of hollow pipe 8 and the center line of hopper 5 coincide, and are Drawstring 7 is arranged in hollow pipe 8 for the pulling for facilitating drawstring 7, it is possible to reduce pulverized limestone to resistance caused by drawstring 7, more into One step, for better fixation hollow pipe 8, connecting rod 9, the other end and material of connecting rod 9 are welded in 8 outer wall two sides of hollow pipe The inner wall of bucket 5 mutually welds, and 7 bottom end of drawstring is connected with a steel ball 10, advantageous, using spherical arc, convenient for pulverized limestone along cambered surface It glides, forms the scribing line of uniformly continuous, compared to conventional flat shape, better effect, further, the diameter etc. of steel ball 10 In the diameter of meal outlet 51, steel ball 10 is located at the underface of meal outlet 51, and in order to not influence the pulling of drawstring 7, drawstring 7 is arranged In the top of support rod 1, the other end of drawstring 7 is connected with the first roller 2.It is additionally provided with protrusion 71 in the bottom end of drawstring 7, is had Benefit, described raised 71 can be circle, when meal outlet 51 is blocked by pulverized limestone, be moved up and down by protrusion 71, can be with Effectively the dredging of meal outlet 51 is opened, it is convenient and efficient, it improves work efficiency.
In order to facilitate the opening and closing of meal outlet 51, it is additionally provided with steel ball hoisting mechanism, steel ball hoisting mechanism includes shaft 11, shaft 11 is movably connected on support rod 1, and driving lever 12 is connected in shaft 11, advantageous, driving lever 12 by drawstring jack up away from From d is set as, the distance of center line to the meal outlet 51 of steel ball 10 is set as s, can be with d=s.It, can by setting drawstring 7 and driving lever 12 Cleverly driving lever 12 to be utilized to jack up drawstring 7, to realize that steel ball 10 is fitted closely with meal outlet 51, in scratching process Any position can all realize the opening and closing of meal outlet 51, on the one hand block up without staff looking for other articles Leakage facilitates the addition of pulverized limestone, on the other hand also reduces the unnecessary waste of pulverized limestone, economize on resources.
The rotation of first roller 2 and second tin roller 3 for convenience mitigates labor intensity of workers, in the first roller 2 and second Handle 13 is equipped on roller 3.
Specifically used method is as follows:
When in use, support rod 1 is fixed on to the both ends in experimental plot first;
Wirerope 6 is passed through into the slide opening 52 on lower hopper 5, the both ends of wirerope 6 are protruded into cavity 18, bolt 16 is screwed in Threaded hole 141 on sliding bar 14 completes the fixation of wirerope 7;
One staff rotates the handle 13 on second tin roller 3, drives hopper 5 to close by rolling tightly sheet steel bar 4 The direction of second tin roller 3 is mobile, and pulverized limestone is added into hopper 5 for stopping when forgetting about it edge, and then another staff shakes Handle 13 on dynamic first roller 2, drives the rotation of the first roller 2, and the traction of the first roller 2 rolls tightly sheet steel bar 4 and drawstring 7 simultaneously Rotation, is constantly wrapped on the first roller 2 with sheet steel bar 4 is rolled tightly, and hopper 5 is slowly mobile to 2 direction of the first roller, is moving During dynamic, pulverized limestone is flowed out from meal outlet 51, forms uniform straight line together;
When scribing line needs to stop, a staff stirs the driving lever 12 on support rod, driving lever 12 by shaft 11 into Row rotation, drawstring 7 is jacked up, because of d=s, steel ball 10 just blocks meal outlet 51, and pulverized limestone is not flowing out at this time, avoids The waste of material;
Then support rod 1 is moved to the next position, is repeated the above process.
Embodiment two
As viewed in figures 5-8, other structures are identical with embodiment one, are equipped with admittedly unlike implementation one in 5 upper end of hopper Fixed board 20, the quantity of fixed plate 20 set there are two and are symmetrical set, and first pulley 19 is equipped in fixed plate 20, can be with More convenient slides hopper 5 on wirerope 6, facilitates blanking.In order to reduce production cost, mitigate whole device Weight, facilitates the operation of staff, and the shape of the first roller 2 and second tin roller 3 can be set to I-shaped.In order to make drawstring 6 Pulling it is more convenient, second pulley 22 is provided in hollow pipe 8, can extend the service life of drawstring 6, reduces friction. In addition, being additionally provided with the second through-hole 23 on support rod 1, drawstring 6 passes through the second through-hole 23 and is connected with the first roller 2, and steel ball mentions Rising mechanism can be magnet 21, and the material of support rod 1 can be ferrimagnet, and magnet 21 is adsorbed on support rod 1, utilize magnetic Iron 21 jacks up drawstring 7, more convenient to use, and whole device is more light and handy nimble.
Specifically used method is as follows:
When in use, support rod 1 is fixed on to the both ends in experimental plot first;
Wirerope 6 is sequentially passed through into two fixed plates 20 on lower hopper 5, the both ends of wirerope 6 are protruded into cavity 18, will Bolt 16 screws in the threaded hole 141 on sliding bar 14, completes the fixation of wirerope 7, wirerope 6 and first pulley 19 fit;
One staff rotates the handle 13 on second tin roller 3, drives hopper 5 to close by rolling tightly sheet steel bar 4 The direction of second tin roller 3 is mobile, and pulverized limestone is added into hopper 5 for stopping when forgetting about it edge, and then another staff shakes Handle 13 on dynamic first roller 2, drives the rotation of the first roller 2, and the traction of the first roller 2 rolls tightly sheet steel bar 4 and drawstring 7 simultaneously Rotation, is constantly wrapped on the first roller 2 with sheet steel bar 4 is rolled tightly, and hopper 5 is slowly mobile to 2 direction of the first roller, is moving During dynamic, pulverized limestone is flowed out from meal outlet 51, forms uniform straight line together;
When scribing line needs to stop, staff moves on to magnet 21 at second through-hole 23, is placed on 7 lower section of drawstring, so Upward moving magnet 21 afterwards, with the movement of magnet 21, drawstring 7 is slowly jacked up, and drawstring 7 drives steel ball 10 to move up, steel ball 10 Meal outlet 51 is blocked, since the adsorption capacity of magnet 21 is much larger than the gravity of steel ball 10, steel ball 10 is firmly fixed on meal outlet At 51, pulverized limestone is not flowing out at this time, completes dashing work, while avoiding the waste of material, easy to operate simple;
Then support rod 1 is moved to the next position, is repeated the above process.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this The range of invention is defined by the claims and their equivalents.

Claims (10)

1. a kind of field scriber, including hopper, the hopper lower end offers meal outlet, which is characterized in that outside the hopper Traction piece is connected on wall, there are two the quantity of the traction piece is set, the traction piece other end is fixedly connected with the first roller And second tin roller, first roller and second tin roller are connected on two support rods, are all provided on described two support rods There is first through hole, the traction piece passes through the first through hole and is respectively wound around on first roller and second tin roller, described Hopper also slidably connects fixing piece, and the fixing piece both ends are connected on support rod.
2. a kind of field scriber according to claim 1, which is characterized in that the hopper is set there are two slide opening, described Two slide openings are symmetrical set.
3. a kind of field scriber according to claim 1, which is characterized in that be set with sliding on the support rod Bar forms cavity between the sliding bar and the support rod, the fixing piece is passed through in the cavity, is gone back on the sliding bar Equipped with threaded hole, cooperation is equipped with bolt in the threaded hole.
4. a kind of field scriber according to claim 1, which is characterized in that the fixing piece is wirerope, described to lead Drawing part is to roll tightly sheet steel bar.
5. a kind of field scriber according to claim 1, which is characterized in that be additionally provided with hollow pipe, institute in the hopper The center line of the center line and the hopper of stating hollow pipe coincides, and drawstring is equipped in the hollow pipe, and described drawstring one end connects It is connected to a steel ball, the drawstring is additionally provided with several protrusions, and the diameter of the steel ball is equal to the diameter of the meal outlet, the steel ball Positioned at the lower section of the hopper, and the distance of the center line of the steel ball to meal outlet is s, the other end of the drawstring with it is described First roller is connected.
6. a kind of field scriber according to claim 1, which is characterized in that be additionally provided with steel ball promotion on the support rod Mechanism.
7. a kind of field scriber according to claim 6, which is characterized in that the steel ball hoisting mechanism includes shaft, The shaft is movably connected on the support rod, and driving lever, the distance that the driving lever keeps drawstring mobile are connected in the shaft It is set as d, and d=s.
8. a kind of field scriber according to claim 6, which is characterized in that the steel ball hoisting mechanism is magnet.
9. a kind of field scriber according to claim 1, which is characterized in that on first roller and second tin roller Equipped with handle.
10. -9 described in any item a kind of application methods of field scriber according to claim 1, which is characterized in that including with Lower step:
(1) when in use, support rod is fixed on to the both ends in experimental plot first;
(2) by the slide opening of steel wire penetrating hopper, the both ends of wirerope are protruded into cavity, and bolt is screwed in the screw thread on sliding bar Hole, with the continuous screw-in of bolt, sliding bar and support rod are close to each other, continuous extruded cords rope, complete wirerope and fix
(3) staff rotate the handle on second tin roller, move hopper to close to the second rolling by rolling tightly sheet strip of steel The direction of cylinder is mobile, and pulverized limestone is added into hopper for stopping when forgetting about it edge, and then another staff shakes the first rolling Handle on cylinder drives the rotation of the first roller, and the traction of the first roller rolls tightly sheet steel bar and drawstring while rotating, with rolling tightly piece Shape steel bar is constantly wrapped on the first roller, and hopper is slowly mobile to the first roller direction, and in moving process, pulverized limestone is from out The outflow of powder mouth forms uniform straight line together;
(4) when scribing line needs to stop, drawstring is paved using steel ball hoisting mechanism, drawstring drives steel ball to move up, and steel ball will go out Powder mouth blocks;
(5) support rod then is moved to the next position, repeat the above process.
CN201811622575.1A 2018-12-28 2018-12-28 Land scriber and use method thereof Active CN109644638B (en)

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CN201811622575.1A CN109644638B (en) 2018-12-28 2018-12-28 Land scriber and use method thereof

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Application Number Priority Date Filing Date Title
CN201811622575.1A CN109644638B (en) 2018-12-28 2018-12-28 Land scriber and use method thereof

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CN109644638A true CN109644638A (en) 2019-04-19
CN109644638B CN109644638B (en) 2020-04-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111264151A (en) * 2020-03-13 2020-06-12 济宁市农业科学研究院 Marking device and method for cotton planting field
CN111296015A (en) * 2020-03-13 2020-06-19 济宁市农业科学研究院 Reminding marking device for cotton test field and use method thereof

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Publication number Priority date Publication date Assignee Title
CN201792655U (en) * 2010-09-01 2011-04-13 崔兴亮 English letter writing line drawer
CN205305401U (en) * 2016-01-28 2016-06-15 山西省农业科学院旱地农业研究中心 Hand formula crop field rowing ware
KR101653111B1 (en) * 2015-07-30 2016-08-31 한국해양대학교 산학협력단 Line Marker for Ground
CN106808459A (en) * 2017-02-28 2017-06-09 陈烁 The grey device of point
CN206851342U (en) * 2017-06-23 2018-01-09 山东棉花研究中心 One cultivates on experimental plot chalker
CN208235958U (en) * 2018-03-27 2018-12-14 泉发建设股份有限公司 A kind of construction line-plotting device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201792655U (en) * 2010-09-01 2011-04-13 崔兴亮 English letter writing line drawer
KR101653111B1 (en) * 2015-07-30 2016-08-31 한국해양대학교 산학협력단 Line Marker for Ground
CN205305401U (en) * 2016-01-28 2016-06-15 山西省农业科学院旱地农业研究中心 Hand formula crop field rowing ware
CN106808459A (en) * 2017-02-28 2017-06-09 陈烁 The grey device of point
CN206851342U (en) * 2017-06-23 2018-01-09 山东棉花研究中心 One cultivates on experimental plot chalker
CN208235958U (en) * 2018-03-27 2018-12-14 泉发建设股份有限公司 A kind of construction line-plotting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111264151A (en) * 2020-03-13 2020-06-12 济宁市农业科学研究院 Marking device and method for cotton planting field
CN111296015A (en) * 2020-03-13 2020-06-19 济宁市农业科学研究院 Reminding marking device for cotton test field and use method thereof
CN111296015B (en) * 2020-03-13 2021-08-17 济宁市农业科学研究院 Reminding marking device for cotton test field and use method thereof

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