CN109757463A - A kind of agricultural management chemical spraying device - Google Patents

A kind of agricultural management chemical spraying device Download PDF

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Publication number
CN109757463A
CN109757463A CN201910237155.XA CN201910237155A CN109757463A CN 109757463 A CN109757463 A CN 109757463A CN 201910237155 A CN201910237155 A CN 201910237155A CN 109757463 A CN109757463 A CN 109757463A
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CN
China
Prior art keywords
spray
spray bar
mobile platform
spraying device
chemical spraying
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Pending
Application number
CN201910237155.XA
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Chinese (zh)
Inventor
张晶
李强
赵超群
王圆圆
唐慧敏
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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Publication date
Application filed by Anhui University of Science and Technology filed Critical Anhui University of Science and Technology
Priority to CN201910237155.XA priority Critical patent/CN109757463A/en
Publication of CN109757463A publication Critical patent/CN109757463A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to agricultural management fields, more particularly to a kind of agricultural management chemical spraying device, including mobile platform, regulating device and chemical spraying device, mobile platform bottom is equipped with four pairs of movable pulleys, each pair of movable pulley is made of two single-wheels, mobile platform one end is equipped with handrail, handrail welds together with mobile platform, four pairs of movable pulleys and mobile platform bottom are hinged, regulating device setting is square on a mobile platform, regulating device welds together with mobile platform, chemical spraying device a part is arranged in regulating device, the setting of chemical spraying device another part is square on a mobile platform.The beneficial effects of the invention are as follows be provided with regulating device, the regulating device includes sliding seat, two sliding shoes and telescoping mechanism, when being sprayed, it is acted by telescoping mechanism, sliding shoe is driven to move along sliding seat, make the adjustable spray width of the chemical spraying device being mounted in regulating device, to control the spray range of chemical spraying device.

Description

A kind of agricultural management chemical spraying device
Technical field
The present invention relates to agricultural management fields, are specifically related to a kind of agricultural management chemical spraying device.
Background technique
Agricultural machinery refers to during crop-planting industry and Animal husbandry production, Yi Jinong, livestock products preliminary working and processing Various machinery used in the process.Agricultural machinery includes farm power machinery, farmland construction machinery, soil cultivating machine, kind It plants and fertilizer machinery, agriculture Agent spraying machine, plant protection mechanism, farmland discharging-irrigating machinery, crop harvesting machine, agricultural products processor Tool, animal husbandry machinery and farm transportation machinery etc., agricultural machinery belongs to the scope of agricultural machinery and implement.Spraying machine is to mix water with medical fluid A kind of agricultural machinery and implement for spraying the liquid into body surface by pressure afterwards are one kind of agriculture Agent spraying machine, the plant of agricultural machinery It protects mechanical.The pattern of spraying machine is probably divided into several, mainly has: Self-walking sprayer with spraying rod, towed spraying machine, suspension type spray Medicine machine, spray rod type spraying machine.But the side spray bar of many spraying machines can not be adjusted, in the farming to different plantation width When object is sprayed, the crops of partial region can not be sprayed onto drug.Therefore, those skilled in the art provide a kind of agricultural Management chemical spraying device, can not be adjusted with to solve side spray bar mentioned above in the background art leads to partial region crops The problem of can not spraying.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of agricultural management chemical spraying devices, to solve side spray bar The problem of causing partial region crops that can not spray can not be adjusted.
In order to solve the above technical problems, the present invention is the following technical schemes are provided: a kind of agricultural management chemical spraying device, including Mobile platform, regulating device, chemical spraying device, a lifting spray bar for being located at mobile platform upper center and two are located at movement The side spray bar of two sides above platform, the regulating device are arranged above the mobile platform and for adjusting two sides Spray bar moves along the movement of berm width direction reverse sync, is offered on mobile platform for going up and down spray bar elevating movement Lifting groove and mobile platform on be further fixed on for driving the electric telescopic rod that moves up and down of lifting spray bar;Chemical spraying device For providing medical fluid for side spray bar and lifting spray bar.
On that basis of the above technical scheme, the end of the side spray bar and lifting spray bar on be all uniformly provided with it is several A spray head, side spray bar and lifting spray bar are not provided with spray head close to the side of the handrail.
On that basis of the above technical scheme, the chemical spraying device includes medicine-chest, farm chemical spray pump and medicine feeding mechanism, and the medicine-chest is Body structure, the medicine-chest top offer dosing mouth, and the medicine-chest bottom is provided with drug discharging tube, the spray pump inlet and institute State drug discharging tube connection, the spray pump discharge connect with the medicine feeding mechanism, medicine feeding mechanism respectively with two side spray bars and Lifting spray bar is connected, and the farm chemical spray pump and the medicine-chest are each attached to 1 top of mobile platform.
On that basis of the above technical scheme, the medicine feeding mechanism includes a four-way pipe, three drug delivery hoses, three two-ways Pipe, a port of the four-way pipe are connected on farm chemical spray pump, and the other three port of the four-way pipe is separately connected three drug delivery A bipass, three drug delivery hoses are respectively communicated in one end of hose, two side spray bars and a lifting spray bar The other end respectively connect a bipass, and a switch control is each provided on three drug delivery hoses, connection is sprayed in lifting Bipass on medicine bar and the telescopic end for being weldingly fixed on above lifting spray bar and being fixed on by attachment base electric telescopic rod; The medical fluid of farm chemical spray pump pumping passes through four-way pipe first and is diverted into three drug delivery hoses, and medical fluid is sent into side by bipass later Spray movement is realized in spray bar and lifting spray bar.
On that basis of the above technical scheme, the regulating device includes sliding seat, two sliding shoes and telescoping mechanism, described Sliding groove is offered on sliding seat, the sliding shoe is mounted in the sliding groove, and the telescoping mechanism both ends are respectively hinged at On one sliding shoe, two sliding shoes are controlled by telescoping mechanism and are moved along the sliding seat reverse sync, are connected Bipass in two side spray bars passes through a rotating seat respectively and is connected with side spray bar, two rotating seat difference It is rotatably connected on the sliding shoe of two sides.
On that basis of the above technical scheme, the telescoping mechanism includes four connecting rods, two link blocks, a flexible spiral shell Bar and a rotation hand wheel, four connecting rods are arranged at prismatic, the opposite both ends of the two of them of four connecting rods It is hinged on two sliding shoes, the other both ends of four connecting rods are hinged on two link blocks, two link blocks Centre offers through-hole, and the through-hole in one of link block offers clockwise internal screw thread, in another link block Through-hole offer anticlockwise internal screw thread, the expansion screw pass through among two link blocks with two connections Block is hinged, and the rotation hand wheel is welded on described expansion screw one end;When regulating device is adjusted, rotation rotation first Handwheel drives expansion screw rotation by rotation hand wheel, and expansion screw rotation drives two link block counter motions, to push Four connecting rod movements make four connecting rods drive two sliding shoe movements, realize the adjusting to distance between two sliding shoes.
Compared with the prior art, the invention has the beneficial effects that: it is provided with regulating device, the regulating device includes Sliding seat, two sliding shoes and telescoping mechanism are acted when being sprayed by telescoping mechanism, drive sliding shoe along sliding seat Movement, makes the adjustable spray width of the chemical spraying device being mounted in regulating device, to control the spray range of chemical spraying device.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the partial enlarged view of side spray bar;
Fig. 3 is the structural schematic diagram of regulating device in the present invention.
Figure label are as follows: 1- mobile platform, 2- regulating device, 3- chemical spraying device, 1a- movable pulley, 1b- handrail, 1c- lifting Slot, 2a- sliding seat, 2b- sliding shoe, 2c- connecting rod, 2d- link block, 2e- expansion screw, 2f- rotation hand wheel, 3a- medicine-chest, 3b- farm chemical spray pump, 3c- four-way pipe, 3d- drug delivery hose, 3e- bipass, the side 3f- spray bar, 3f1- spray head, 3g- lifting spray Bar, 3h- electric telescopic rod, 3i- rotating seat.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Referring to figs. 1 to Fig. 3 it is found that a kind of agricultural management chemical spraying device, including mobile platform 1, regulating device 2, spray 3, one, the device lifting spray bar 3g for being located at 1 upper center of mobile platform and two sides positioned at 1 two sides above mobile platform Portion spray bar 3f, 1 bottom of mobile platform is equipped with four couples of movable pulley 1a and one end is equipped with handrail 1b, and the regulating device 2 is set It sets above the mobile platform 1 and moves along berm width direction reverse sync fortune for adjusting two side spray bar 3f It is dynamic, it is offered on mobile platform 1 and is further fixed on use on the lifting groove 1c of spray bar 3g elevating movement and mobile platform 1 for going up and down In the electric telescopic rod 3h that driving lifting spray bar 3g is moved up and down;Chemical spraying device 3 is used to be side spray bar 3f and lifting Spray bar 3g provides medical fluid.According to spray width range, two side spray bar 3f sprays are adjusted using regulating device 2 and use width Degree, and as needed, spray bar 3g, which will be gone up and down, using electric telescopic rod 3h is down to 1 progress below mobile platform along lifting groove 1c Spray.
Several spray heads 3f1, side spray are all uniformly provided on the end of the side spray bar 3f and lifting spray bar 3g Medicine bar 3f and lifting spray bar are not provided with spray head 3f1 close to the side of the handrail 1b.The setting of multiple spray head 3f1 increases The coverage area of equipment spray, while side spray bar 3f is not provided with spray head 3f1 close to the side the handrail 1b, can be to avoid Medical fluid is sprayed to operator backward, prevents medical fluid from directly damaging to operator.
The chemical spraying device 3 includes medicine-chest 3a, farm chemical spray pump 3b and medicine feeding mechanism, and the medicine-chest 3a is body structure, described Dosing mouth is offered above medicine-chest 3a, the bottom the medicine-chest 3a is provided with drug discharging tube, the farm chemical spray pump 3b import and the drug Pipe connection, the outlet the farm chemical spray pump 3b are connect with the medicine feeding mechanism, medicine feeding mechanism respectively with two side spray bar 3f and liter Drop spray bar 3g is connected, and the farm chemical spray pump 3b and the medicine-chest 3a are each attached to 1 top of mobile platform.It is spraying When, medical fluid is poured into medicine-chest 3a first, farm chemical spray pump 3b is operated later, and the medical fluid suction in medicine-chest 3a is pumped to drug delivery machine Medical fluid is supplied side spray bar 3f by medicine feeding mechanism later and lifting spray bar 3g sprays, completes spray movement by structure.
The medicine feeding mechanism includes a four-way pipe 3c, three drug delivery hose 3d, three bipasses 3e, the four-way pipe 3c A port be connected on farm chemical spray pump 3b, the other three port of the four-way pipe 3c is separately connected the one of three drug delivery hose 3d End, is respectively communicated with a bipass in two side spray bars and a lifting spray bar, and three drug delivery hose 3d's is another End respectively connects a bipass 3e, and is each provided with a switching control pilot (not shown) on three drug delivery hose 3d, It opens, close to control drug delivery hose, be connected in the bipass gone up and down on spray bar 3g and be weldingly fixed on lifting spray bar Top and the telescopic end that electric telescopic rod 3h is fixed on by attachment base.The medical fluid of farm chemical spray pump 3b pumping passes through four-way pipe 3c first Three drug delivery hose 3d are diverted into, medical fluid is sent into side spray bar 3f and lifting spray bar by bipass 3e realizes later Spray movement.The present invention devises two sides side spray bar and side lifting spray bar, can be according to between spray crop Line space, and select to use different combinations, for example, can be used simultaneously two side spray bars and a lifting spray bar, three Bar operation simultaneously is suitable for all standing spray drug operation of width direction, if line space is larger, lifting spray bar can be risen to shifting Two side spray bars are used alone above moving platform, the spray of two side spray bars of a step section of going forward side by side uses wide Degree.
The regulating device 2 includes sliding seat 2a, two sliding shoe 2b and telescoping mechanism, is offered on the sliding seat 2a Sliding groove, the sliding shoe 2b are mounted in the sliding groove, and the telescoping mechanism both ends are respectively hinged at the sliding On block 2b, two sliding shoe 2b are controlled by telescoping mechanism and are moved along the sliding seat 2a reverse sync, are connected to two Bipass in the spray bar of side passes through a rotating seat 3i respectively and is connected with side spray bar 3f, two rotating seat 3i difference It is rotatably connected on the sliding shoe 2b of two sides, side spray bar, can be with sliding shoe 2b's under the drive of rotating seat 3i Mobile and realization uses the change of width, can use the rotation function of rotating seat 3i, will when not using side spray bar Side spray bar, which is rotated by 90 °, moves along land lengths directional spreding, reduces chemical spraying device entirety occupied space, convenient for collecting. It when being sprayed, is acted by telescoping mechanism, drives sliding shoe 2b to move along sliding seat 2a, make to be mounted in regulating device 2 The adjustable spray width of side spray bar, to control spray width range.
The telescoping mechanism includes four connecting rod 2c, two link block 2d, an expansion screw 2e and a rotation hand 2f is taken turns, four connecting rod 2c are arranged at prismatic, and the both ends that the two of them of four connecting rod 2c are opposite are hinged on two On a sliding shoe 2b, the other both ends of four connecting rod 2c are hinged on two link block 2d, two link block 2d Centre offers through-hole, and the through-hole in one of link block 2d offers clockwise internal screw thread, another link block Through-hole in 2d offers anticlockwise internal screw thread, the expansion screw 2e pass through among two link block 2d with two The link block 2d is hinged, and the rotation hand wheel 2f is welded on the one end the expansion screw 2e.It is adjusted to regulating device 2 When, rotation rotation hand wheel 2f first drives expansion screw 2e rotation by rotation hand wheel 2f, and expansion screw 2e rotation drives two Link block 2d counter motion makes four connecting rod 2c drive two sliding shoe 2b movements to push four connecting rod 2c movements, Realize the adjusting to distance between two sliding shoe 2b.

Claims (6)

1. a kind of agricultural management chemical spraying device, it is characterised in that: including mobile platform, regulating device, chemical spraying device, a position It is located at the side spray bar of two sides above mobile platform, the adjusting in the lifting spray bar of mobile platform upper center and two It is reversely same that device setting moves along berm width direction above the mobile platform and for two side spray bars of adjusting Step moves, and is offered on mobile platform for going up and down to be further fixed on the lifting groove of spray bar elevating movement and mobile platform and be used for The electric telescopic rod that driving lifting spray bar moves up and down;Chemical spraying device is used to provide for side spray bar and lifting spray bar Medical fluid.
2. agricultural management chemical spraying device according to claim 1, it is characterised in that: the end of the side spray bar and Several spray heads are all uniformly provided in lifting spray bar, side spray bar and lifting spray bar do not have close to the side of the handrail Spray head is set.
3. agricultural management chemical spraying device according to claim 1, it is characterised in that: the chemical spraying device include medicine-chest, Farm chemical spray pump and medicine feeding mechanism, the medicine-chest are body structure, and dosing mouth, the medicine-chest bottom setting are offered above the medicine-chest There is drug discharging tube, the spray pump inlet is connect with the drug discharging tube, and the spray pump discharge is connect with the medicine feeding mechanism, drug delivery Mechanism is connected with two side spray bars and lifting spray bar respectively, and the farm chemical spray pump and the medicine-chest are each attached to described 1 top of mobile platform.
4. agricultural management chemical spraying device according to claim 3, it is characterised in that: the medicine feeding mechanism includes one four Siphunculus, three drug delivery hoses, three bipasses, a port of the four-way pipe are connected on farm chemical spray pump, the four-way pipe The other three port is separately connected one end of three drug delivery hoses, is respectively communicated in two side spray bars and a lifting spray bar A bipass, the other end of three drug delivery hoses respectively connects a bipass, and is each provided on three drug delivery hoses One switch control is connected in the bipass in lifting spray bar and is weldingly fixed on above lifting spray bar and passes through attachment base It is fixed on the telescopic end of electric telescopic rod;The medical fluid of farm chemical spray pump pumping passes through four-way pipe first and is diverted into three drug delivery hoses, it Medical fluid is sent into side spray bar and lifting spray bar by bipass afterwards and realizes spray movement.
5. agricultural management chemical spraying device according to claim 4, it is characterised in that: the regulating device includes sliding Seat, two sliding shoes and telescoping mechanism offer sliding groove on the sliding seat, and the sliding shoe is mounted on the sliding groove Interior, the telescoping mechanism both ends are respectively hinged on the sliding shoe, control two sliding shoes by telescoping mechanism It is moved along the sliding seat reverse sync, the bipass being connected in two side spray bars passes through a rotating seat and side respectively Portion's spray bar is connected, and two rotating seats are respectively rotatably connected on the sliding shoe of two sides.
6. agricultural management chemical spraying device according to claim 5, it is characterised in that: the telescoping mechanism includes four companies Extension bar, two link blocks, an expansion screw and a rotation hand wheel, four connecting rods are arranged at prismatic, described in four The opposite both ends of the two of them of connecting rod are hinged on two sliding shoes, and the other both ends of four connecting rods are hinged on two On a link block, through-hole is offered among two link blocks, the through-hole in one of link block offers side clockwise To internal screw thread, the through-hole in another link block offers anticlockwise internal screw thread, and the expansion screw passes through two Hinged with two link blocks among link block, the rotation hand wheel is welded on described expansion screw one end;To adjusting When device is adjusted, rotation hand wheel is rotated first, is passed through rotation hand wheel and is driven expansion screw rotation, expansion screw rotation drives Two link block counter motions make four connecting rods drive two sliding shoe movements, realize to push four connecting rod movements Adjusting to distance between two sliding shoes.
CN201910237155.XA 2019-03-27 2019-03-27 A kind of agricultural management chemical spraying device Pending CN109757463A (en)

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Application Number Priority Date Filing Date Title
CN201910237155.XA CN109757463A (en) 2019-03-27 2019-03-27 A kind of agricultural management chemical spraying device

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Application Number Priority Date Filing Date Title
CN201910237155.XA CN109757463A (en) 2019-03-27 2019-03-27 A kind of agricultural management chemical spraying device

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CN109757463A true CN109757463A (en) 2019-05-17

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111328789A (en) * 2020-03-23 2020-06-26 上海交通大学 Fresh edible corn is planted and is used pesticide sprinkler
CN113439645A (en) * 2021-05-14 2021-09-28 崔海珍 A portable automatic spray equipment for afforestation
CN114868506A (en) * 2022-04-08 2022-08-09 湖北省应通农林科技有限公司 High-efficient mixed agricultural sprinkler
CN115380891A (en) * 2022-09-23 2022-11-25 金华市农业科学研究院(浙江省农业机械研究院) Spout medicine device of medicine machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160060858A (en) * 2014-11-20 2016-05-31 동양물산기업 주식회사 Spray device mountable to cultivationg tractor
CN205284761U (en) * 2016-01-14 2016-06-08 黑龙江省农业机械维修研究所 Novel spout medicine machine
CN105994228A (en) * 2016-05-13 2016-10-12 孙立民 Self-propelled pesticide spraying vehicle
CN107410261A (en) * 2017-08-03 2017-12-01 芜湖泰庆电子科技有限公司 A kind of large-scale farmland vehicle-mounted sprayer of adjustable spraying altitude
CN208191982U (en) * 2018-04-18 2018-12-07 奉节县晋铭园林绿化有限公司 A kind of movable type Chinese garden planting pesticide spraying device
CN208225450U (en) * 2018-06-20 2018-12-11 苏州金螳螂文化发展股份有限公司 Panel telescopic device, moving exhibition plate and suspended movable display board system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160060858A (en) * 2014-11-20 2016-05-31 동양물산기업 주식회사 Spray device mountable to cultivationg tractor
CN205284761U (en) * 2016-01-14 2016-06-08 黑龙江省农业机械维修研究所 Novel spout medicine machine
CN105994228A (en) * 2016-05-13 2016-10-12 孙立民 Self-propelled pesticide spraying vehicle
CN107410261A (en) * 2017-08-03 2017-12-01 芜湖泰庆电子科技有限公司 A kind of large-scale farmland vehicle-mounted sprayer of adjustable spraying altitude
CN208191982U (en) * 2018-04-18 2018-12-07 奉节县晋铭园林绿化有限公司 A kind of movable type Chinese garden planting pesticide spraying device
CN208225450U (en) * 2018-06-20 2018-12-11 苏州金螳螂文化发展股份有限公司 Panel telescopic device, moving exhibition plate and suspended movable display board system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111328789A (en) * 2020-03-23 2020-06-26 上海交通大学 Fresh edible corn is planted and is used pesticide sprinkler
CN111328789B (en) * 2020-03-23 2024-05-10 上海交通大学 Pesticide sprinkler for planting fresh corn
CN113439645A (en) * 2021-05-14 2021-09-28 崔海珍 A portable automatic spray equipment for afforestation
CN114868506A (en) * 2022-04-08 2022-08-09 湖北省应通农林科技有限公司 High-efficient mixed agricultural sprinkler
CN115380891A (en) * 2022-09-23 2022-11-25 金华市农业科学研究院(浙江省农业机械研究院) Spout medicine device of medicine machine
CN115380891B (en) * 2022-09-23 2024-03-01 金华市农业科学研究院(浙江省农业机械研究院) Spout medicine device of medicine machine

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Application publication date: 20190517