CN109874774A - A kind of change line-spacing exploration type is to target device for administration of drugs - Google Patents

A kind of change line-spacing exploration type is to target device for administration of drugs Download PDF

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Publication number
CN109874774A
CN109874774A CN201910231761.0A CN201910231761A CN109874774A CN 109874774 A CN109874774 A CN 109874774A CN 201910231761 A CN201910231761 A CN 201910231761A CN 109874774 A CN109874774 A CN 109874774A
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CN
China
Prior art keywords
guide rail
sliding block
rail frame
spacing
drugs
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Pending
Application number
CN201910231761.0A
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Chinese (zh)
Inventor
肖丽萍
黄粮粮
刘木华
蔡金平
林金龙
杨红飞
蒲闯
蔡翰
邓方迁
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Jiangxi Agricultural University
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Jiangxi Agricultural University
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Priority to CN201910231761.0A priority Critical patent/CN109874774A/en
Publication of CN109874774A publication Critical patent/CN109874774A/en
Pending legal-status Critical Current

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Abstract

The present invention provides a kind of change line-spacing exploration types to target device for administration of drugs, including lifting device, guide rail bracket, change line-spacing device and piping installation.In use, lifting device drives lifting linking member to rotate in a vertical plane, to realize the rise and fall of spray boom, adjusts the height change of spray head by lifting electric putter;Folding device is docked left rail frame, right guide rail bracket with intermediate rail frame by folding electric putter, forms straight line, and sliding block can slide on entire guide rail;Become line-spacing device to slide by Bidirectional-screw band movable slider, sliding block drives connecting rod opposite or mutually from movement, adjusts the distance change of spray head;When not in use, it folds electric putter to shrink, by left rail frame, right guide rail bracket and intermediate rail frame to folding up, completes the stored collapsed of device for administration of drugs.The present invention can be administered crops to target, especially can improve pesticide utilization rate for different spacings short crops spray, economize on resources and cost, reduce environmental pollution.

Description

A kind of change line-spacing exploration type is to target device for administration of drugs
Technical field
The invention belongs to agricultural mechanical equipment fields, are related to a kind of fog machine more particularly to a kind of change line-spacing exploration type pair Target device for administration of drugs.
Background technique
China is large agricultural country, and planting industry is most important agricultural production sector.Staple food crop has rice, wheat Deng industrial crops have cotton, peanut, rape, tobacco leaf etc..Planting Row Distance is different between various crops, and position occurs for pest and disease damage Difference, and equipment for plant protection domestic at present is more for orchard research, it is less for short crop pesticide spraying machine research, between spray head Away from that cannot be adjusted according to practical Planting Row Distance, to the crop of different spacings plantation, wherein it is same to be exposed to outer soil Application causes pesticide greatly to waste and the pollution in soil;The crop more luxuriant for blade, due to blocking for canopy, medicine Liquid is difficult to be deposited on the position that canopy occurs below pest and disease damage.
The Chinese patent of Patent No. 201720747306.2 discloses a kind of " multi-functional spray bar type spraying machine ", can lead to Medicine frame elevating mechanism is crossed to realize that medicine frame height adjusts, adapts to the height change of crop growth, it can by Display Rack Shen Shou mechanism Medicine frame is folded when not in use, saves parking space;But its nozzle equidistant interval is arranged on medicine frame, the expansion of medicine frame Spraying when use, covering surface is very wide, and spray head spacing cannot be adjusted according to practical Planting Row Distance, and it is same to be exposed to outer soil Sample application causes pesticide waste and land pollution.To improve this problem, we devise, and " a kind of exploration type becomes line-spacing to target Isobaric device for administration of drugs " (patent No. 201710617877.9), which can probe into spray head in rice rice clump, and adjustable height Degree, the variable angle of bracket and wing support is made by level-one rotating device, makes corresponding tune to meet the practical Planting Row Distance of rice It is whole, it realizes and target is administered;But spray head spacing still cannot be adjusted according to practical Planting Row Distance, cause pesticide waste and Land pollution.
Summary of the invention
It is an object of the invention to be applied to target to row in view of the above-mentioned problems, research and develop a kind of change line-spacing exploration type spraying device Medicine economizes on resources, and reduces environmental pollution.The present invention adopts the following technical scheme:
A kind of change line-spacing exploration type is to target device for administration of drugs, comprising: lifting device, guide rail bracket become line-spacing device and pipeline dress It sets;
The lifting device is rectangle mount structure, is fixed on pesticide applicator, provides support for entire device for administration of drugs, including Rack, bearing, the first short axle, lifting linking member, gag lever post, the first pin shaft and lifting electric putter;The bearing is bolted On the rack side, the lifting linking member is connect with the bearing by first short axle, and the lifting linking member can be around The bearing rotation, the gag lever post are fixed on the lifting linking member middle position and form I-shaped structure, the lifting electricity Push rod pedestal is hinged on the rack middle position by first pin shaft, and movable end is hinged on the gag lever post interposition It sets;
The guide rail bracket includes left rail frame, right guide rail bracket, intermediate rail frame and folding device;In front of the lifting device Connect the intermediate rail frame, the left rail frame, right guide rail bracket are symmetrical structure, respectively with the left and right ends of intermediate rail frame It is corresponding, it is connect by the folding device with the intermediate rail frame;
The change line-spacing device includes guide rail, sliding block, link mechanism and screw rod driving device, and the guide rail includes structure phase Same left rail, right guide rail and intermediate rail, is separately fixed on the left rail frame, right guide rail bracket and intermediate rail frame, The sliding block of centre is fixed in the intermediate rail, remaining described sliding block can slide on the guide rail, the link mechanism It fixes on the slide block, the screw rod driving device drives the slide block movement to drive the connecting rod mechanism movement;
The piping installation includes hose, connector, spray boom, spray head and spray boom fixing clamp, and the hose passes through the connector It is connect with the spray boom, the spray boom bottom connects the spray head, and the spray boom is fixed on described by the spray boom fixing clamp On sliding block, when sliding block sliding, the distance between described spray boom is changed by the movement of the link mechanism.
The present invention is rotated by the contraction of lifting electric putter with drive lifting linking member is stretched out in perpendicular, to realize The rise and fall of spray boom adjust the height change of spray head;Sliding block is driven to drive connecting rod mechanism movement by screw rod driving device, The distance between spray boom changes with the movement of link mechanism, so that spray head is adjusted according to practical line-spacing, principle is simple, leads to The variation for crossing the spacing and height of spray head, which is realized, is administered target.
Folding device can when not in use fold device for administration of drugs of the invention, save parking space;Also, it is left Guide rail bracket, right guide rail bracket and intermediate rail frame can be docking together after the expansion, and sliding block can slide on entire guide rail bracket, Line-spacing adjusting range is big, and the space utilization rate of device is high.
Further, the folding device includes folding electric putter, rotary shaft, push rod connector, push rod fixing piece and the Two pin shafts;It is hinged by the rotary shaft between the right guide rail bracket and above-mentioned intermediate guide rail bracket, the push rod fixing piece installation Above the intermediate rail frame, the fixing end for folding electric putter and the push rod fixing piece are hinged by the third pin shaft Together, movable end is hinged in the push rod connector on the right guide rail bracket by second pin shaft;The left rail frame with Hinged by the rotary shaft between the intermediate rail frame, the push rod fixing piece is mounted on intermediate rail frame left end Side, the fixing end for folding electric putter is hinged by the third pin shaft with the push rod fixing piece, and movable end is by institute It states in the push rod connector that the second pin shaft is hinged on the left rail frame.
The folding device can make the angle between intermediate rail frame and left rail frame, right guide rail bracket between 90~180 ° Variation;When the folding electric putter is shunk completely, the angle between intermediate rail frame and left rail frame, right guide rail bracket is 90 °, Guide rail puts up contraction state;When the folding electric putter is fully extended, between intermediate rail frame and left rail frame, right guide rail bracket Angle be 180 °, guide rail puts up full open position.
Further, the guide rail is built-in Double-axis linear guide, and section is U-typed, inside sets axle center track;It is described Sliding block is idler wheel sliding block, and idler wheel has U-typed groove, can be completely attached to axle center on the inside of track.
Further, the link mechanism include connecting rod, diamond shape bearing of usheing to seat, band axle bearing, bolt axle, the second short axle, Bearing block and axis fixed block;
The band axle bearing is fixed on the bearing block, and the bearing block is mounted on one end of the connecting rod, the band Axle bearing and the bolt axle cooperate, and by another connecting rod of bolt axis connection, can relatively rotate between the connecting rod, group At " V " type structure of multiple congruences, diamond shape bearing of usheing to seat described in the fixation of center, it is short that the diamond shape bearing of usheing to seat passes through described second Axis is fixed on the axis fixed block, and on the slide block, all connecting rod centers constitute straight line for the axis fixed block installation. When the screw rod driving device drives sliding block connected to it sliding, the connecting rod being connected with the slide block drives adjacent sliding block And the link motion being connect with the sliding block, and so on, to realize the equidistant change of distance between adjacent spray head.
Further, the screw rod driving device is set on the intermediate rail frame, is located at below the intermediate rail, is led to Sliding block connector is crossed to be connected with the slide block;
The screw rod driving device includes motor, shaft coupling, Bidirectional-screw, nut, nut seat and slide plate, described electronic Machine is connect by the shaft coupling with the Bidirectional-screw, and the Bidirectional-screw is arranged symmetrically nut with axial center section, institute State nut can the side-to-side movement on the Bidirectional-screw, the nut seat is installed on the nut, is pacified above the nut seat The sliding block connector is filled, the slide plate is installed in bottom surface, and the slide plate is for inhibiting the nut to rotate.
Further, the connector includes two pass joint of L-type, T-type three-way connection, cross four-way connection;Wherein, outermost The spray boom upper end of side two connects two pass joint of L-type, and most intermediate spray boom connects the cross four-way connection, the connection of remaining spray boom T-type three-way connection, all connectors are connected with hose, and the spray that cross four-way connection upper end connects on the pesticide applicator is soft Pipe, lower end is connected on the spray boom.
Further, one, two neighboring connecting rod at upper one in lower setting, it is described usher to seat diamond shape bearing and the axis it is solid Determine the location matches of the distance between block with the connecting rod;Diamond shape bearing of usheing to seat is different from the distance between axis fixed block, i.e., Connecting rod connection under usher to seat diamond shape bearing between axis fixed block at a distance from than the diamond shape axis of usheing to seat in upper connecting rod connection It is small to hold the distance between axis fixed block, to offset connecting rod thickness.
Further, the sliding block connector is connect with the fixed sliding block of sliding block two sides second in centre respectively;
Further, the folding device includes going back guide rail docking groove, is mounted on intermediate rail frame both ends, is used for The intermediate rail docks the left rail and the right guide rail when guide rail bracket is unfolded, reduce error when guide rail docking with Resistance keeps docking smooth.
Further, the spray head is cross spray head, and droplet is more evenly distributed.
Further, change line-spacing exploration type of the invention also includes at least one of following technical characteristic to target device for administration of drugs:
The folding device further includes thrust roller bearing, and the thrust roller bearing covers in the rotary shaft, is located at Between the left rail frame and the intermediate rail frame, right guide rail bracket and the intermediate rail frame, when reducing guide rail bracket rotation Friction;
The spray boom fixing clamp is mounted between the sliding block and the axis fixed block;
The rotary shaft is cased with nut at both ends respectively and is used to determine rotary shaft installation site;
The band axle bearing and the bolt axle are interference fitted, to obtain the connection more fastened.
Further, the lifting device, folding device, screw rod driving device power supply be all from Vehicular direct-current power supply, The lifting electric putter, folding electric putter, motor pass through positive and negative switch respectively and connect with Vehicular direct-current power supply, respectively by positive and negative The stretching of switch control electric putter, retraction and stop self-locking and motor positive and negative rotation and stopping.
The present invention can obtain it is following the utility model has the advantages that
1, lifting device of the invention drives lifting linking member to rotate in a vertical plane using lifting electric putter, thus The rise and fall for realizing spray boom, adjust the height change of spray head, and lifting electric putter is driven by lifting linking member when stretching out and is administered Device is rotated down, and spray boom decline can well spray to short crops.
2, the telescoping mechanism for becoming line-spacing device and device for administration of drugs is combined together by the present invention, is gone while flexible Away from change;Spray boom can walk on entire guide rail bracket, and line-spacing adjusting range is big, and guide rail is arranged in the folding retractable machine of device On structure, additional telescoping mechanism is not needed, the parking space of device is greatly saved.
3, change line-spacing device of the invention realizes that the distance between spray boom changes using the cooperation of sliding block and guide rail, solves Line-spacing is difficult to the problem changed in the prior art;Spray boom is fixed on Display Rack in the prior art, cannot be moved with respect to Display Rack It is dynamic, i.e., it is angled between spray boom and crops, it cannot point-blank spray insecticide, it may appear that the phenomenon that drain spray;This The spray boom energy opposite rail frame of invention is mobile, connects between spray boom and spray boom using by connecting rod, is pushed and is sprayed by connecting rod The problem of bar movement, spray boom is in a straight line always, is not in omission when spraying insecticide.
4, guide rail of the invention uses built-in Double-axis linear guide, and section is U-typed, inside sets axle center track;Sliding block For idler wheel sliding block, idler wheel has U-typed groove, can completely attach to axle center on the inside of track;The structure novel of guide rail and sliding block, cooperation It is even closer, it is not in that sliding hinders.
5, the present invention by lifting device, become working depth and spacing that line-spacing device changes spray head, to adapt between difference The pest and disease damage that crops and different location away from plantation occur, has very strong adaptability, can effectively improve pesticide utilization rate, It economizes on resources and cost, reduces environmental pollution.
Detailed description of the invention
Fig. 1 is of the invention without waterway structure schematic diagram;
Fig. 2 is the partial enlarged view of A in Fig. 1;
Fig. 3 is of the invention without water route top view;
Fig. 4 is the main view of the invention with water route;
Fig. 5 is the partial enlarged view of B in Fig. 4;
Fig. 6 is the schematic diagram of screw rod driving device of the invention;
Fig. 7 is slide block structure schematic diagram of the invention;
Fig. 8 is guide rail vertical section structure schematic diagram of the invention;
Fig. 9 is the vertical section structure schematic diagram of sliding block and guide rail cooperation of the invention;
Description of symbols: 1 bearing, 2 first short axles, 3 racks, 4 first pin shafts, 5 lifting electric putters, 6 gag lever posts, 7 liters Connecting rod drops, and 8 right guide rail brackets, 9 second pin shafts, 10 fold electric putter, and 11 push rod connectors, 12 intermediate rail framves, 13 nuts, 14 push away Power roller bearing, 15 rotary shafts, 16 guide rail docking grooves, 17 push rod fixing pieces, 18 band axle bearings, 19 bolt axles, 20 bearing blocks, 21 Sliding block, 22 connecting rods, 23 usher to seat diamond shape bearing, and 24 second short axles, 25 axis fixed blocks, 26 intermediate rails, 27 left rail framves, 28 is electronic Machine, 29 shaft couplings, 30 Bidirectional-screws, 31 nuts, 32 nut seats, 33 sliding block connectors, 34 slide plates, 35 spray boom fixing clamps, 36 is soft Pipe, two pass joint of 37L type, 38T type three-way connection, 39 cross four-way connections, 40 spray booms, 41 spray heads, left rail 42, right guide rail 43, third pin shaft 44, axle center track 45, idler wheel 46.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear Chu is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments. Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all Other embodiments shall fall within the protection scope of the present invention.
Embodiment 1:
The change line-spacing exploration type of the present embodiment is to target device for administration of drugs, comprising: lifting device, guide rail bracket, become line-spacing device and Piping installation.Wherein:
As shown in figures 1 and 3, lifting device is rectangle mount structure, is fixed on pesticide applicator, is mentioned for entire device for administration of drugs For support, including bearing 1, the first short axle 2, rack 3, the first pin shaft 4, lifting electric putter 5 (XTL100), gag lever post 6 and lifting Connecting rod 7.Rack 3 is rectangle structure, is connected separately with two lifting linking members 7 on two sides of rack 3, bearing 1 passes through spiral shell Bolt is fixed on 3 side of rack, and lifting linking member 7 is connect with bearing 1 by the first short axle 2, and lifting linking member 7 can be rotated around bearing 1, Two gag lever posts 6 are separately fixed at the middle position of the lifting linking member 7 on corresponding two sides, form I-shaped structure, keep away It is mobile in the axial direction of the first short axle 2 to exempt from lifting linking member 7;The top middle position of rack 3 is equipped with column, goes up and down electric putter 5 Pedestal be hinged on the column of rack 3 by the first pin shaft 4, movable end is hinged on the middle position of the gag lever post 6 of lower section, stands Column can increase the lift in height range of device for administration of drugs.
As depicted in figs. 1 and 2, guide rail bracket includes left rail frame 27, right guide rail bracket 8, intermediate rail frame 12 and folding device. Intermediate rail frame 12 is connected in front of lifting device, left rail frame 27, right guide rail bracket 8 are symmetrical structure, respectively with intermediate rail frame 12 left and right ends are corresponding, and left rail frame 27, right guide rail bracket 8 are connect by folding device with intermediate rail frame 12.Fold dress It sets including the second pin shaft 9, fold electric putter 10 (XTL100), push rod connector 11, nut 13, thrust roller bearing 14, rotation Axis 15, guide rail docking groove 16, push rod fixing piece 17.By taking right guide rail bracket 8 as an example, lead between right guide rail bracket 8 and intermediate rail frame 12 It is hinged to cross rotary shaft 15, push rod fixing piece 17 is mounted on 12 top of intermediate rail frame, folds the fixing end and push rod of electric putter 10 Fixing piece 17 is hinged by third pin shaft 44, and movable end is hingedly mounted on the push rod on right guide rail bracket 8 by the second pin shaft 9 and connects On fitting 11.The folding device of 12 junction of left rail frame 27 and intermediate rail frame is identical as right guide rail bracket 8, no longer superfluous herein It states.
Folding device can make the angle between intermediate rail frame 12 and left rail frame 27, right guide rail bracket 8 90~180 ° it Between change, when folding electric putter 10 and shrinking completely, angle between intermediate rail frame 12 and left rail frame 27, right guide rail bracket 8 It is 90 °, entire guide rail puts up contraction state;When fold electric putter 10 it is fully extended when, intermediate rail frame 12 and left rail frame 27, Angle between right guide rail bracket 8 is 180 °, and guide rail puts up full open position.
As shown in Fig. 2, Fig. 4 and Fig. 5, becoming line-spacing device includes guide rail, sliding block 21, link mechanism and screw rod driving device. Guide rail includes left rail 42, right guide rail 43 and intermediate rail 26, is separately fixed at left rail frame 27, right guide rail bracket 8 and centre and leads In rail gantry 12, wherein intermediate sliding block 21 is fixed in intermediate rail 12, remaining sliding block 21 can slide on guide rail, link mechanism It is fixed on sliding block, screw rod driving device driving slide block movement is to drive connecting rod mechanism movement.
Link mechanism includes connecting rod 22, diamond shape bearing 23 of usheing to seat, band axle bearing 18, bolt axle 19, the second short axle 24, bearing Seat 20 and axis fixed block 25.Wherein, axis fixed block 25 is mounted on idler wheel sliding block 21, and center is interference fitted second short axle 24, a diamond shape bearing 23 of usheing to seat is installed in the second short axle 24, diamond shape bearing 23 of usheing to seat is fixed with connecting rod 22 with bolt, is owned 22 center of connecting rod constitutes straight line.22 one end of connecting rod is equipped with bearing block 20, and band axle bearing 18 is fixed on bearing block 20, tape spool 18 inner ring of bearing is interference fitted bolt axle 19, reconnects another 22 one end of connecting rod by bolt axle 19, can phase between connecting rod 22 To rotation, " V " type structure of multiple congruences is formed, according to geometrical relationship, intersection point distance can be filled because screw rod drives among structure Set driving and change, and they the distance between it is theoretically eternal equal, that is, realize the equivalent of distance between adjacent spray head 41 Change.
Fig. 6 is the schematic diagram of screw rod driving device, and screw rod driving device uses existing structure (DFU01605-4), is set to On intermediate rail frame 12, it is located at 26 lower section of intermediate rail, including motor 28, shaft coupling 29, Bidirectional-screw 30, nut 31, spiral shell Base 32 and slide plate 34.Screw rod driving device is driven by motor 28, and motor 28 uses dc motor, is mounted on centre On guide rail bracket 12, connect by shaft coupling 29 with Bidirectional-screw 30, nut 31 altogether there are two, one be orthodontic nut, one is Anti- tooth nut can be equipped with nut seat 32 on Bidirectional-screw 30 with side-to-side movement, nut 31, and 32 bottom surface of nut seat is equipped with one Slide plate 34, to inhibit nut 31 to rotate, the distance between spray head 41 stops nut 31 when matching with line-spacing, in each nut One sliding block connector 33 is installed on seat 32, is connect respectively with first sliding block 21 on intermediate fixed 21 both sides of sliding block.Screw rod drives Dynamic device passes through the side-to-side movement on guide rail with movable slider 21 of sliding block connector 33 that is mounted on nut seat 32.
As shown in Figure 4 and Figure 5, piping installation includes hose 36, connector, spray boom 40, spray head 41 and spray boom fixing clamp 35.Its In, spray boom 38 is fixed on sliding block 21 by spray boom fixing clamp 35, and spray head 39 is installed in 38 lower end of spray boom.Connector includes L-type two-way Connector 37, T-type three-way connection 38, cross four-way connection 39;Wherein, cross 39 upper end of four-way connection connection application owner's water Pipe, lower end are connected on most intermediate spray boom 40, and two end interfaces pass through the spray boom 40 that hose 36 connects two sides respectively;L-type two connects First 37 lower end interfaces are mounted on outermost two spray booms 40, another interface connects hose 36, and such medical fluid passes through L-type two When pass joint 37, just it can only flow on two pass joint of L-type, 37 lower end spray boom;The lower end interface of T-type three-way connection 38 is mounted on except most On intermediate and outermost spray boom 40, two end interfaces are connected by hose 36 with adjacent connector, and such medical fluid passes through T-type threeway When connector 38, medical fluid is diverted to the spray boom 40 of 38 lower end of T-type three-way connection and the connector at both ends.
When going up and down the driving lifting device movement of electric putter 5, entire guide rail bracket height changes, to change spray head 41 Working depth;When Bidirectional-screw 30 drives nut 31 to move, the sliding block 21 being connected on nut seat 32 is moved, and leads to each cunning The distance between block 21 changes, to change 40 spacing of spray boom.The electricity of lifting device, folding device, screw rod driving device Source is all from Vehicular direct-current power supply, lifting electric putter 5, fold electric putter 10, motor 28 respectively by positive and negative switch with it is vehicle-mounted DC power supply connection, respectively by the positive and negative switch control stretching of electric putter, retraction and stop self-locking and motor positive and negative rotation and Stop.
Embodiment 2:
As shown in figs. 1 to 6, the device for administration of drugs of the present embodiment, structure is roughly the same with embodiment 1, has done on it some It improves.As shown in Figure 1, the top middle position of rack 3 is equipped with column, the pedestal of lifting electric putter 5 is hinged by the first pin shaft 4 On the column of rack 3, movable end is hinged on the middle position of the gag lever post 6 of lower section, and column can increase the height of device for administration of drugs Spend range;The middle position of two long sides of rack 3 is connected by " ∠ " type structure, is fixed on to enhance lifting device and is applied Stability on medicine machine.As shown in Fig. 2 and Fig. 7~9, left rail 42, right guide rail 43 and intermediate rail 26 are that built-in Double-axis is straight Line guide rail (SGR20N), sliding block 21 is idler wheel sliding block, and by taking intermediate rail 26 as an example, section is U-typed, two axle center tracks 45 It is arranged on the inside of U-typed, idler wheel 46 has U-typed groove.There are three idler wheel 46, intermediate idler wheels 46 for the sliding block that the present embodiment uses It is fixed by centering type nut, idler wheel 46 and inside axle center track 45 can be made to completely attach to by adjusting nut, sliding block 21 is in Between reach zero clearance contact between guide rail 26, therefore can still can when carrying direction and load and heavy load that size all changes Enough obtain the lasting accuracy of stable precision, resisting moment and torque and the rigidity of resisting moment and torque.
Built-in Double-axis linear guide and the material of sliding block are aluminium alloy, along with axle center track plates hard chrome non-corrosive, therefore With excellent rust-proof effect.Twin shaft core type sliding rail product has been standardized, standardizes, and when having abrasion, damage, sliding block is easy more Change, group load onto it is very convenient with it is easy.Idler wheel complete rolling can make without lubrication when dust even has water With.
Embodiment 3:
As shown in figure 1-9, the device for administration of drugs of the present embodiment, structure is roughly the same with embodiment 2, has done on it some It improves.Wherein, 22 1, two neighboring connecting rod at upper one in lower setting, usher to seat between diamond shape bearing 23 and axis fixed block 25 Distance is different, i.e., what the connecting rod 22 under connected usher to seat diamond shape bearing 23 between axis fixed block 25 at a distance from than in upper connecting rod Usher to seat the distance between the diamond shape bearing 23 and axis fixed block 25 of 22 connections are small, to offset connecting rod thickness, make at 22 1, connecting rod At upper one in lower setting.Two sliding block connectors 33 are connect with second sliding block 21 on intermediate fixed 21 both sides of sliding block respectively, Entire connecting rod mechanism movement is pushed by second sliding block 21, to change the spacing between spray head.
Embodiment 4:
As shown in figure 1-9, the device for administration of drugs of the present embodiment, structure are roughly the same with embodiment 2.In addition, in intermediate rail 12 both ends of frame, are equipped with guide rail docking groove 16, when guaranteeing guide rail bracket expansion, lead intermediate rail 26 with left rail 42, the right side Rail 43 docks smoothly.Two sliding block connectors 33 are connect with second sliding block 21 on intermediate fixed 21 both sides of sliding block respectively, are passed through Second sliding block 21 pushes entire connecting rod mechanism movement, to change line-spacing.Spray boom fixing clamp 35 is mounted on sliding block 21 and axis is solid Determine between block 25;Spray head 41 is cross spray head, and the droplet sprayed is more evenly distributed, can uniformly be administered to crops, prevent office Portion's medical fluid is excessive.
Embodiment 5:
As shown in figure 1-9, the device for administration of drugs of the present embodiment, structure are roughly the same with embodiment 4.In addition, rotary shaft 15 exists Both ends are covered respectively there are two nut 13, and for determining the installation site of rotary shaft 15, the installation of device for administration of drugs is more convenient;Rotation Axis 15 is cased with thrust roller bearing 14 upper, is located at left rail frame 27 between the articulated connection of intermediate rail frame 12, and right Guide rail bracket 8 is between the articulated connection of intermediate rail frame 12, to reduce friction when guide rail bracket rotation.
Device for administration of drugs of the invention when in use, is stretched out by lifting electric putter, drives device for administration of drugs downward by lifting linking member Rotation, spray boom decline, lifting electric putter are shunk, and drive device for administration of drugs to rotate upwards by lifting linking member, and spray boom rises, and thus adjusts The height change of whole spray head;It folds electric putter to stretch out, left rail frame, right guide rail bracket is docked with intermediate rail frame, form one Straight line, so that sliding block can slide on entire guide rail;Motor drives positive and negative two nuts of tooth to move on Bidirectional-screw, when two When a nut moves toward one another, adjacent to each other between sliding block drive connecting rod, the line-spacing between spray head becomes smaller, conversely, between spray head Line-spacing becomes larger, and thus adjusts the line-spacing variation of spray head;Target is administered to realize by the height of spray head and the variation of line-spacing.Do not make Used time, motor drive positive and negative two nuts of tooth to move toward one another on Bidirectional-screw, until all sliding blocks return between on guide rail, Then it folds electric putter to shrink, by left rail frame, right guide rail bracket and intermediate rail frame to folding up, completes the folding of device for administration of drugs Storage.
The present invention passes through the working depth and spacing for changing spray head, to adapt to the crops and different positions that different spacing are planted The pest and disease damage for setting generation has very strong adaptability, and pesticide utilization rate effectively improves, and economizes on resources in the production of agricultural product And cost, it reduces environmental pollution.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (10)

1. a kind of change line-spacing exploration type is to target device for administration of drugs characterized by comprising lifting device, becomes line-spacing device at guide rail bracket And piping installation;
The lifting device is rectangle mount structure, is fixed on pesticide applicator, provides support, including machine for entire device for administration of drugs Frame, bearing, the first short axle, lifting linking member, gag lever post, the first pin shaft and lifting electric putter;The bearing is bolted on On the rack short side, the lifting linking member is connect with the bearing by first short axle, and the lifting linking member can be around institute Bearing rotation is stated, the gag lever post is fixed on the lifting linking member middle position and forms I-shaped structure, and the lifting electricity pushes away Bar fixing end is hinged on the rack middle position by first pin shaft, and movable end is hinged on the gag lever post interposition It sets;
The guide rail bracket includes left rail frame, right guide rail bracket, intermediate rail frame and folding device;Connection in front of the lifting device The intermediate rail frame, the left rail frame, right guide rail bracket be symmetrical structure, respectively with the left and right ends pair of intermediate rail frame It answers, is connect by the folding device with the intermediate rail frame;
The change line-spacing device includes guide rail, sliding block, link mechanism and screw rod driving device, and the guide rail includes that structure is identical Left rail, right guide rail and intermediate rail are separately fixed on the left rail frame, right guide rail bracket and intermediate rail frame, wherein in Between sliding block be fixed in the intermediate rail, remaining described sliding block can slide on the guide rail, and the link mechanism is fixed On the slide block, the screw rod driving device drives the slide block movement to drive the connecting rod mechanism movement;
The piping installation includes hose, connector, spray boom, spray head and spray boom fixing clamp, and the hose passes through the connector and institute Spray boom connection is stated, the spray boom bottom connects the spray head, and the spray boom is fixed on the sliding block by the spray boom fixing clamp On, when sliding block sliding, the distance between described spray boom changes with the movement of the link mechanism.
2. becoming line-spacing exploration type as described in claim 1 to target device for administration of drugs, which is characterized in that the folding device includes folding Folded electric putter, rotary shaft, push rod connector, push rod fixing piece and the second pin shaft;The right guide rail bracket and the intermediate rail frame Between it is hinged by the rotary shaft, the push rod fixing piece is mounted on above the intermediate rail frame right end, and foldings is electric The fixing end of push rod is hinged by the third pin shaft with the push rod fixing piece, and movable end is hinged by second pin shaft In the push rod connector on the right guide rail bracket;Pass through the rotary shaft between the left rail frame and the intermediate rail frame Hingedly, the push rod fixing piece is mounted on above intermediate rail frame left end, the fixing end for folding electric putter with it is described Push rod fixing piece is hinged by the third pin shaft, and movable end is hinged on the left rail frame by second pin shaft In push rod connector.
3. becoming line-spacing exploration type as claimed in claim 2 to target device for administration of drugs, which is characterized in that the guide rail is built-in twin shaft Heart linear guide, section are U-typed, inside set axle center track;The sliding block is idler wheel sliding block, and idler wheel has U-typed groove, can be with Axle center completely attaches on the inside of track.
4. becoming line-spacing exploration type as claimed in claim 3 to target device for administration of drugs, which is characterized in that the link mechanism includes connecting Bar, diamond shape bearing of usheing to seat, band axle bearing, bolt axle, the second short axle, bearing block and axis fixed block;
The band axle bearing is fixed on the bearing block, and the bearing block is mounted on one end of the connecting rod, the tape spool axis It holds and cooperates with the bolt axle, by another connecting rod of bolt axis connection, can be relatively rotated between the connecting rod, formed more " V " type structure of a congruence, diamond shape bearing of usheing to seat described in center is fixed, the diamond shape bearing of usheing to seat are consolidated by second short axle It is scheduled on the axis fixed block, on the slide block, all connecting rod centers constitute straight line for the axis fixed block installation.
5. becoming line-spacing exploration type according to any one of claims 1 to 4 to target device for administration of drugs, which is characterized in that the silk Rod driving device is set on the intermediate rail frame, is located at below the intermediate rail, is passed through sliding block connector and the sliding block Connection;
The screw rod driving device includes motor, shaft coupling, Bidirectional-screw, nut, nut seat and slide plate, and the motor is logical It crosses the shaft coupling to connect with the Bidirectional-screw, the Bidirectional-screw is arranged symmetrically nut, the spiral shell with axial center section Mother can the side-to-side movement on the Bidirectional-screw, the nut seat is installed on the nut, institute is installed above the nut seat Sliding block connector is stated, the slide plate is installed in bottom surface, and the slide plate is for inhibiting the nut to rotate.
6. becoming line-spacing exploration type as claimed in claim 5 to target device for administration of drugs, which is characterized in that the connector includes L-type two Pass joint, T-type three-way connection, cross four-way connection;Wherein, two spray boom upper ends of outermost connect two pass joint of L-type, Most intermediate spray boom connects the cross four-way connection, remaining spray boom connecting T-shaped three-way connection, and all connectors are connected with hose, institute It states cross four-way connection upper end and connects spray hose on the pesticide applicator, lower end is connected on the spray boom.
7. becoming line-spacing exploration type as claimed in claim 6 to target device for administration of drugs, which is characterized in that one, two neighboring connecting rod exists Upper one in lower setting.
8. becoming line-spacing exploration type as claimed in claim 7 to target device for administration of drugs, which is characterized in that the sliding block connector difference It is connect with the fixed sliding block of sliding block two sides the 1st~3 in centre;
And/or the folding device further includes guide rail docking groove, is mounted on intermediate rail frame both ends, in the guide rail Frame the intermediate rail docking left rail and right guide rail when being unfolded;
And/or the spray head is cross spray head.
9. becoming line-spacing exploration type as claimed in claim 8 to target device for administration of drugs, which is characterized in that also include at least following technology One of feature:
The folding device further includes thrust roller bearing, and the thrust roller bearing covers in the rotary shaft, is located at described Between left rail frame and the intermediate rail frame, right guide rail bracket and the intermediate rail frame;
The spray boom fixing clamp is mounted between the sliding block and the axis fixed block;
The rotating shaft terminal is cased with nut;
The band axle bearing and the bolt axle are interference fitted.
10. becoming line-spacing exploration type as claimed in claim 9 to target device for administration of drugs, which is characterized in that the lifting electric putter, folding Folded electric putter, motor and Vehicular direct-current power supply connect.
CN201910231761.0A 2019-03-26 2019-03-26 A kind of change line-spacing exploration type is to target device for administration of drugs Pending CN109874774A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112690262A (en) * 2019-10-23 2021-04-23 江西农业大学 Scalable line spacing device of giving medicine to poor free of charge of guide rail

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112690262A (en) * 2019-10-23 2021-04-23 江西农业大学 Scalable line spacing device of giving medicine to poor free of charge of guide rail

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