CN202773869U - Driver seat lifting type high-stem plant four-wheel spraying machine - Google Patents

Driver seat lifting type high-stem plant four-wheel spraying machine Download PDF

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Publication number
CN202773869U
CN202773869U CN 201220516140 CN201220516140U CN202773869U CN 202773869 U CN202773869 U CN 202773869U CN 201220516140 CN201220516140 CN 201220516140 CN 201220516140 U CN201220516140 U CN 201220516140U CN 202773869 U CN202773869 U CN 202773869U
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CN
China
Prior art keywords
frame
wheel
driver
bogie
seat
Prior art date
Application number
CN 201220516140
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Chinese (zh)
Inventor
曲成民
Original Assignee
曲成民
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 曲成民 filed Critical 曲成民
Priority to CN 201220516140 priority Critical patent/CN202773869U/en
Application granted granted Critical
Publication of CN202773869U publication Critical patent/CN202773869U/en

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Abstract

The utility model discloses a driver seat lifting type high-stem plant four-wheel spraying machine which comprises a rack, an engine, a speed reducing mechanism, a driver seat, a steering mechanism and a spraying pipe, wherein the rack is of a frame structure with an open lower part; a left side frame and a right side frame are connected only at the top end; a front wheel and a rear wheel are mounted at the front part of each side frame, and a front wheel and a rear wheel are mounted at the rear part of each side frame; rear wheel transmission mechanisms are arranged at the rear parts of the two side frames respectively; the mounting shafts of the two rear wheels are connected with the rear wheel transmission mechanisms on the corresponding side frames; the rear wheel transmission mechanisms on the two side frames are connected through a drive connection mechanism; the engine and the speed reducing mechanism are mounted on the side frames of the rack; the speed reducing mechanism is connected with the rear wheel transmission mechanisms on the side frames; a driver seat lifting mechanism and the steering mechanism are arranged at the front part of one side frame of the rack; the driver seat is mounted on the driver seat lifting mechanism; the two front wheels are both connected with the steering mechanism; and the spraying pipe and a spraying pipe lifting mechanism are arranged at the rear part of the rack. The spraying machine disclosed by the utility model has a stable structure, avoids lodging or damage of crops, and is widely applicable.

Description

The high culm plant four-wheel of driver's seat elevation (over-and-under) type spraying machine
Technical field
The utility model relates to a kind of machine for high-stem plant being sprayed medicine, belongs to the spraying machine technical field.
Background technology
Each Plants such as crops and trees produces after the damage by disease and insect, first-selected treatment measures are exactly spraying medicine, for Large Area of Crops or forest land, for raising the efficiency, all be to adopt mechanization to spray, select motor vehicle delivery spray medicinal cupping to carry out, adopt aerial spray efficient higher, but cost is expensive.Present motor vehicle spray medicine generally adopts four-wheel tractor, or in the rear chassis of tractor the spray medicinal cupping is installed, or the chassis of tractor transformed, which kind of situation no matter, all because forwardly central with engine and driver's cabin, to higher plant operations such as hurst, corn, Chinese sorghums the time, because limitting, medicine spraying tube length all to be pressed onto ability operation behind several row crops, cause Crop damage.
Chinese patent literature CN202222311U discloses a kind of " Self-propelled high-and-low stalk crop pesticide spraying machine ", this spraying machine is by the secondary cantilever beam, hydraulic jack, the one-level cantilever beam, the cantilever beam elevator, engine, propons, vertical leg, road wheel, medicine spraying tube, shower nozzle, frame, rotating shaft, pinion, gear wheel, hydraulic oil pipe, back axle, travelling gear consists of, this spraying machine has mainly solved the gathering of spray medicine cantilever, launch and the lifting problem, and its engine is the same with arrangement and the four-wheel tractor of running gear, just frame is raised, still there is the problem that is pressed onto the part crop, the engine position is higher simultaneously, is unfavorable for operation.
CN201797886U discloses a kind of " a high spraying machine ", comprise motorized frame, operating mechanism, oil pump, clutch and speed change system, be installed in three road wheels of described frame below, described frame connects the overhead vertical frame with the powder charge case, described overhead vertical frame one side connects the afer bay with elevating mechanism, described overhead vertical upper rack one side connects the horizontal frame with folding rotating mechanism, and described horizontal frame has spray medicine mouth.This spraying machine belongs to tricycle structure, and front-wheel is the middle part forwardly, and pilot station is lower, and running gear will be walked between the gap of three crops, and the degree that crop is destroyed is larger.And pilot station can not lifting, can not regulate with the height of plant.
Summary of the invention
The utility model is for the deficiency that existing high culm plant spray technique exists, and a kind of Stability Analysis of Structures, easy to operate, the high culm plant four-wheel of the driver's seat elevation (over-and-under) type spraying machine that can not damage plant, applied range are provided.
The high culm plant four-wheel of driver's seat elevation (over-and-under) type of the present utility model spraying machine, by the following technical solutions:
This spraying machine comprises frame, engine, reducing gear, driver's seat, driver's seat elevating mechanism, steering mechanism, medicine spraying tube and medicine spraying tube lift; Frame is the frame structure of lower open, comprise left frame and left side frame, about only have the top to connect between two bogie side frames, the front and rear of two bogie side frames is equipped with front-wheel and trailing wheel respectively, the rear portion of two bogie side frames is provided with rear-wheel transmission mechanism, the installation shaft of two trailing wheels is connected with rear-wheel transmission mechanism on the bogie side frame separately respectively, and the rear-wheel transmission mechanism on two bogie side frames connects by driving bindiny mechanism; On the bogie side frame of frame engine and reducing gear are installed, engine is connected with reducing gear, and reducing gear is connected with rear-wheel transmission mechanism on this bogie side frame; A bogie side frame front portion of frame is provided with driver's seat elevating mechanism and steering mechanism, and driver's seat is installed on the driver's seat elevating mechanism, and two front-wheels all are connected with steering mechanism; The rear portion of frame is provided with medicine spraying tube and medicine spraying tube lift, and medicine spraying tube is arranged on the medicine spraying tube lift.
Rear-wheel transmission mechanism comprises the transmission of transition chain, power transmission shaft and drive chain transmission, and the transmission of transition chain is arranged between reducing gear and the power transmission shaft, and the drive chain transmission is arranged between power transmission shaft and the trailing wheel installation shaft, and power transmission shaft is installed in the bogie side frame bottom of frame.
Driving bindiny mechanism comprises left side connection chain transmission, right side connection chain transmission and drives connecting axle, drive the top that connecting axle is arranged on frame, the two ends that drive connecting axle respectively with two bogie side frames of frame on rear-wheel transmission mechanism in power transmission shaft be in transmission connection by left side connection chain transmission and right side connection chain.
The driver's seat elevating mechanism comprises lifting hydraulic cylinder, sprocket wheel and elevating chain, lifting hydraulic cylinder vertically is installed in a bogie side frame front portion of frame, sprocket wheel is installed on the piston rod of lifting hydraulic cylinder, sprocket wheel freely rotates on piston rod, one end of elevating chain is fixed on the frame, and the other end is walked around sprocket wheel and is connected with driver's seat.
Be provided with guiding mechanism between the bogie side frame of driver's seat and frame, to guarantee the steady lifting of driver's seat.
Steering mechanism comprises the hydraulic steering gear that is installed on the driver's seat, is installed in the hydraulic steering cylinder on frame top and turns to connecting axle, is installed in the turning-bar of two bogie side frame front ends of frame, hydraulic steering gear is connected with hydraulic steering cylinder, the piston rod of hydraulic steering cylinder is connected with turning to connecting axle, turn to the two ends of connecting axle to be connected with the turning-bar of two bogie side frame front ends respectively, two turning-bars are hinged with the installing rack of two front-wheels respectively.
The medicine spraying tube lift comprises lifting lever and hoist up and down hydraulic cylinder, the rear end of two bogie side frames of frame is a hinged lifting lever and a hoist up and down hydraulic cylinder all, lifting lever on each bogie side frame is connected with the piston rod of hoist up and down hydraulic cylinder, and medicine spraying tube is fixedly connected on two lifting levers.
During the work of above-mentioned spraying machine, at first according to the height of the plant of want spraying medicine, adjust the height of driver's seat by the driver's seat elevating mechanism, adjust the height of medicine spraying tube by the medicine spraying tube lift, make driver's seat and medicine spraying tube be higher than the height of plant.Left frame and the left side frame of frame all are in the space of two row plants, and ato unit drives two trailing wheels and rotates, and makes whole spraying machine walking, the spray medicine while walking.
The utility model has changed the arrangement of existing spraying machine, frame adopts portal structures, driver behavior is arranged on a side of frame and drives height and can regulate, rear-wheel transmission mechanism and driving mechanism are arranged on two bogie side frames or frame top, steering mechanism also is arranged on two bogie side frames or frame top, not only make whole spraying machine Stability Analysis of Structures, and make between two bogie side frames of frame be one spacious interval, avoided to destroy first the problem that some crops is vacateed the walking space during spray medicine, lodging or the injury of crop have been avoided, simultaneously applied range.
Description of drawings
Fig. 1 is rearview of the present utility model.
Fig. 2 is that A among Fig. 1 is to view.
Fig. 3 is that B among Fig. 1 is to view.
Fig. 4 is that C among Fig. 2 is to view.
Among the figure: 1, frame, 2, left rear wheel, 3, the transmission of left transition chain, 4, the Left Drive axle, 5, left drive chain transmission, 6, left side connection chain transmission, 7, drive connecting axle, 8, right side connection chain transmission, 9, right power transmission shaft, 10, right drive chain transmission, 11, off hind wheel, 12, medicine spraying tube, 13, lifting lever, 14, hoist up and down hydraulic cylinder, 15, engine, 16, decelerator, 17, the chain transmission, 18, accumulator, 19, fuel tank, 20, the near front wheel, 21, the left steering bar, 22, hydraulic steering gear, 23, driver's seat, 24, lifting hydraulic cylinder, 25, sprocket wheel, 26, elevating chain, 27, off-front wheel, 28, the right turn bar, 29, medicine storing pot, 30, directive wheel, 31, turn to connecting axle, 32, hydraulic steering cylinder.
Embodiment
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 have provided the structure of the high culm plant four-wheel of the utility model driver's seat elevation (over-and-under) type spraying machine, and this spraying machine mainly comprises frame 1, engine 15, transmission mechanism, two front-wheels (the near front wheel 20 and off-front wheel 27), two trailing wheels (left rear wheel 2 and off hind wheel 11), steering mechanism, driver's seat, driver's seat mechanism, medicine spraying tube 12 and medicine spraying tube lift.
As shown in Figure 1, seen by the back that frame 1 is a framework that is the lower open of a shape, comprise left frame and left side frame, left frame be connected the top to connect with left side frame, any connection is not all done at other position, about be that a milli is expedite spacious interval from A-P between two bogie side frames.The left frame of frame 1 and the front and rear of left side frame are equipped with front-wheel and trailing wheel respectively, be that left frame (frame 1 about with the location determination of Fig. 1) front and rear of frame 1 is separately installed with the near front wheel 20 and left rear wheel 2(referring to Fig. 2), the left side frame front and rear is separately installed with off-front wheel 27 and off hind wheel 11(referring to Fig. 3).Be equipped with damper on the installing rack of two trailing wheels.The height of frame 1 should be set according to the crops of institute's spraying medicine or the maximum height of other plant.
As shown in Figure 2, the left frame of frame 1 is equipped with engine 15 and reducing gear, engine 15 is connected with reducing gear, reducing gear comprises double reduction, be the decelerator 16 of the first order and the chain transmission 17 of slowing down in the second level, chain transmission 17 is that Left Drive axle 4 is connected (referring to Fig. 1) by the transmission 3 of left transition chain and the power transmission shaft of left rear wheel 2 again, and Left Drive axle 4 is that left drive chain transmission 5 is connected with the installation shaft of left rear wheel 2 by the driving mechanism of left rear wheel 2.The power of engine 15 is through reducing gear, left transition chain transmission 3, Left Drive axle 4 ,Left drive chain transmission 5 passes to the installation shaft of left rear wheel 2, drives left rear wheel 2 and rotates.Simultaneously, Left Drive axle 4 is connected with the driving connecting axle 7 that is installed in rear portion, frame 1 top by left side connection chain transmission 6, driving connecting axle 7 is that right power transmission shaft 9 is connected by right side connection chain transmission 8 and the power transmission shaft of off hind wheel 11, right power transmission shaft 9 is that right drive chain transmission 10 is connected with the installation shaft of off hind wheel 11 by the driving mechanism of off hind wheel 11, drives off hind wheel 11 and rotates.Like this, left rear wheel 2 and off hind wheel 11 can obtain driving force simultaneously, and driving connecting axle 7 between the two is arranged on the top of frame 1, and having guaranteed becomes an open field between frame 1 left and right sides frame, can not knock over high stalk crops or other plant during the spray medicine, damage.Reducing gear also can adopt other rotating speed that can make engine to be down to various single-stages or the Multi-stage transmission mechanism of appropriate value.The driving mechanism of trailing wheel is that left drive chain transmission 5 and right drive chain transmission 10 also can be adopted the mechanisms such as gear drive.
The left frame front end of frame 1 is provided with driver's seat 23, hydraulic steering gear 22 is installed on the driver's seat 23, be installed in the hydraulic steering cylinder 32(of frame 1 top front referring to Fig. 4 by hydraulic steering gear 22 controls), hydraulic steering gear 22 is connected with hydraulic steering cylinder 32 by self control valve and oil circuit, hydraulic steering gear is the universal component in the existing hydraulic steering system, and the hydraulic control system between hydraulic steering gear 22 and the hydraulic steering cylinder 32 also is existing current techique.The piston rod of hydraulic steering cylinder 32 is connected with the connecting axle 31 that turns to that is installed in frame 1 top, turning to the two ends of connecting axle 31 to be connected with the right turn bar by vertical left steering bar 21 respectively is connected with the installing rack that the installing rack of the near front wheel 20 is connected with off-front wheel respectively, by steering wheel operation hydraulic steering gear 22 stretching out and retraction with the piston rod of control hydraulic steering cylinder 32, and then make and turn to connecting axle 31 to move, can promote or spur turning-bar 21 and 28 rotations of right turn bar by the movement that turns to connecting axle 31, and then drive the near front wheel 20 and 27 while of off-front wheel rotating in same direction, realize turning to of whole spraying machine.Equally, hydraulic steering cylinder 32 and the top that turns to connecting axle 31 to be arranged on frame 1 also are to become an open field in order to have guaranteed between frame 1 left and right sides frame, can not knock over high culm plant during the spray medicine.
Driver's seat 23 is installed on the elevating mechanism, and driver's seat 23 can lifting under the drive of this elevating mechanism, drives height with the Height Adjustment according to plant.As shown in Figure 2, this driver's seat elevating mechanism comprises lifting hydraulic cylinder 24, sprocket wheel 25 and elevating chain 26, lifting hydraulic cylinder 24 vertically is installed in the left frame front portion of frame 1, sprocket wheel 25 is installed on the piston rod, can freely rotate, one end of elevating chain 26 is fixed on the frame 1, and the other end is walked around sprocket wheel 25 and is connected with driver's seat 23.In order to make driver's seat 23 steady liftings, referring to Fig. 4, be provided with gathering sill in frame 1, directive wheel 30 is installed on the driver's seat 23, directive wheel 30 is installed in the gathering sill.Sprocket wheel 25 also can be replaced by pulley, and elevating chain 26 also can adopt steel wire rope.The driver's seat elevating mechanism also can adopt other version, such as spiral lifting mechanism, rack and pinion drive mechanism etc.The guidance mode that directive wheel is combined with gathering sill also can guide rail etc. alternate manner.
The left frame of frame 1 is also installed the fuel tank 19 of promising each hydraulic cylinder fuel feeding and the accumulator 18 of power supply.
As shown in Figure 3, the left side frame of frame 1 is provided with medicine storing pot 29.
As depicted in figs. 1 and 2, the rear portion of frame 1 is provided with medicine spraying tube 12 and medicine spraying tube lift, and medicine spraying tube 12 is arranged on the medicine spraying tube lift.This medicine spraying tube lift comprises lifting lever 13 and hoist up and down hydraulic cylinder 14, the left frame of frame 1 and the rear end of left side frame be a hinged lifting lever 13 and hoist up and down hydraulic cylinder 14 all, the lifting lever 13 of each side is connected with the piston rod of hoist up and down hydraulic cylinder 14, and medicine spraying tube 12 is fixedly connected on the lifting lever 13 of left frame and left side frame.Hoist up and down hydraulic cylinder 14 drives lifting lever 13 and rotates around its hinge, makes medicine spraying tube 12 rise or fall, thereby can regulate spray medicine height according to the height of plant.Medicine spraying tube 12 can be connected with medicine storing pot 29 by pipeline.The medicine spraying tube lift also can adopt spiral lifting mechanism, rack and pinion drive mechanism etc., and other can make the mechanism of medicine spraying tube 12 ascending, descendings.
The parts of installing on left frame and the left side frame in the said structure are set forth as the basis take each accompanying drawing, also the parts of installing on left frame and the left side frame can be exchanged, be that the parts of installing on the left frame are installed on the left side frame, the parts of installing on the left side frame are installed on the left frame, and this also belongs to the technical solution of the utility model.
The course of work of above-mentioned spraying machine is as follows:
At first according to the height of the plant of want spraying medicine, adjust the height of driver's seat 23 by the driver's seat elevating mechanism, adjust the height of medicine spraying tube 12 by the medicine spraying tube lift, make driver's seat 23 and medicine spraying tube 12 be higher than the height of plant.Left frame and the left side frame of frame 1 all are in the space of two row plants, and ato unit drives two trailing wheels by transmissions at different levels and rotates, and makes whole spraying machine walking, the spray medicine while walking.Because driver's seat 23 is in a side of frame 1, and the driving mechanism of two trailing wheels and the steering mechanism of front-wheel also all are positioned at left and right sides and the top of frame 1, and this is not so that hinder between the left and right sides of frame 1, and whole spraying machine is walked in the space of plant, avoid knocking over plant, caused the underproduction.
The high culm plant four-wheel of driver's seat elevation (over-and-under) type of the present utility model spraying machine has changed the arrangement of existing agricultural chemical spraying machinery, make driver behavior be positioned at a side rather than be positioned at the place ahead middle part, and driving height can regulate, the spraying machine middle part is spacious zone, not only be applicable to the herbal sprinkling to large-area corn, the high crops of the contour stalk of Chinese sorghum, also be applicable to the herbal sprinkling of other various higher plants such as woods.

Claims (7)

1. the high culm plant four-wheel of a driver's seat elevation (over-and-under) type spraying machine comprises frame, engine, reducing gear, driver's seat, driver's seat elevating mechanism, steering mechanism, medicine spraying tube and medicine spraying tube lift; It is characterized in that: frame is the frame structure of lower open, comprise left frame and left side frame, about only have the top to connect between two bogie side frames, the front and rear of two bogie side frames is equipped with front-wheel and trailing wheel respectively, the rear portion of two bogie side frames is provided with rear-wheel transmission mechanism, the installation shaft of two trailing wheels is connected with rear-wheel transmission mechanism on the bogie side frame separately respectively, and the rear-wheel transmission mechanism on two bogie side frames connects by driving bindiny mechanism; On the bogie side frame of frame engine and reducing gear are installed, engine is connected with reducing gear, and reducing gear is connected with rear-wheel transmission mechanism on this bogie side frame; A bogie side frame front portion of frame is provided with driver's seat elevating mechanism and steering mechanism, and driver's seat is installed on the driver's seat elevating mechanism, and two front-wheels all are connected with steering mechanism; The rear portion of frame is provided with medicine spraying tube and medicine spraying tube lift, and medicine spraying tube is arranged on the medicine spraying tube lift.
2. the high culm plant four-wheel of driver's seat elevation (over-and-under) type according to claim 1 spraying machine, it is characterized in that: described rear-wheel transmission mechanism comprises the transmission of transition chain, power transmission shaft and drive chain transmission, the transmission of transition chain is arranged between reducing gear and the power transmission shaft, the drive chain transmission is arranged between power transmission shaft and the trailing wheel installation shaft, and power transmission shaft is installed in the bogie side frame bottom of frame.
3. the high culm plant four-wheel of driver's seat elevation (over-and-under) type according to claim 1 spraying machine, it is characterized in that: described driving bindiny mechanism comprises left side connection chain transmission, right side connection chain transmission and drives connecting axle, drive the top that connecting axle is arranged on frame, the two ends that drive connecting axle respectively with two bogie side frames of frame on rear-wheel transmission mechanism in power transmission shaft be in transmission connection by left side connection chain transmission and right side connection chain.
4. the high culm plant four-wheel of driver's seat elevation (over-and-under) type according to claim 1 spraying machine, it is characterized in that: described driver's seat elevating mechanism comprises lifting hydraulic cylinder, sprocket wheel and elevating chain, lifting hydraulic cylinder vertically is installed in a bogie side frame front portion of frame, sprocket wheel is installed on the piston rod of lifting hydraulic cylinder, sprocket wheel freely rotates on piston rod, one end of elevating chain is fixed on the frame, and the other end is walked around sprocket wheel and is connected with driver's seat.
5. the high culm plant four-wheel of driver's seat elevation (over-and-under) type according to claim 1 spraying machine is characterized in that: be provided with guiding mechanism between the bogie side frame of described driver's seat and frame.
6. the high culm plant four-wheel of driver's seat elevation (over-and-under) type according to claim 1 spraying machine, it is characterized in that: described steering mechanism comprises the hydraulic steering gear that is installed on the driver's seat, is installed in the hydraulic steering cylinder on frame top and turns to connecting axle, is installed in the turning-bar of two bogie side frame front ends of frame, hydraulic steering gear is connected with hydraulic steering cylinder, the piston rod of hydraulic steering cylinder is connected with turning to connecting axle, turn to the two ends of connecting axle to be connected with the turning-bar of two bogie side frame front ends respectively, two turning-bars are hinged with the installing rack of two front-wheels respectively.
7. the high culm plant four-wheel of driver's seat elevation (over-and-under) type according to claim 1 spraying machine, it is characterized in that: described medicine spraying tube lift comprises lifting lever and hoist up and down hydraulic cylinder, the rear end of two bogie side frames of frame is a hinged lifting lever and a hoist up and down hydraulic cylinder all, lifting lever on each bogie side frame is connected with the piston rod of hoist up and down hydraulic cylinder, and medicine spraying tube is fixedly connected on two lifting levers.
CN 201220516140 2012-10-10 2012-10-10 Driver seat lifting type high-stem plant four-wheel spraying machine CN202773869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220516140 CN202773869U (en) 2012-10-10 2012-10-10 Driver seat lifting type high-stem plant four-wheel spraying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220516140 CN202773869U (en) 2012-10-10 2012-10-10 Driver seat lifting type high-stem plant four-wheel spraying machine

Publications (1)

Publication Number Publication Date
CN202773869U true CN202773869U (en) 2013-03-13

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CN 201220516140 CN202773869U (en) 2012-10-10 2012-10-10 Driver seat lifting type high-stem plant four-wheel spraying machine

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102845404A (en) * 2012-10-10 2013-01-02 曲成民 Lift type driver seat high-stem plant four-wheeled pesticide spraying machine
CN103202278A (en) * 2013-04-14 2013-07-17 李海飞 Multifunctional liquid pesticide sprayer
CN103478108A (en) * 2013-09-09 2014-01-01 徐宝柱 Overhead insecticide spray trolley
CN103783020A (en) * 2014-02-17 2014-05-14 江苏大学 Fixed pipeline type paddy field spraying device
CN104126354A (en) * 2014-08-12 2014-11-05 郝德双 Multifunctional self-propelled operating vehicle for high-node crops
CN104823547A (en) * 2015-05-09 2015-08-12 黑龙江卓沃机械科技有限公司 Four-wheel agricultural tiller

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102845404A (en) * 2012-10-10 2013-01-02 曲成民 Lift type driver seat high-stem plant four-wheeled pesticide spraying machine
CN103202278A (en) * 2013-04-14 2013-07-17 李海飞 Multifunctional liquid pesticide sprayer
CN103478108A (en) * 2013-09-09 2014-01-01 徐宝柱 Overhead insecticide spray trolley
CN103783020A (en) * 2014-02-17 2014-05-14 江苏大学 Fixed pipeline type paddy field spraying device
CN103783020B (en) * 2014-02-17 2017-01-11 江苏大学 Fixed pipeline type paddy field spraying device
CN104126354A (en) * 2014-08-12 2014-11-05 郝德双 Multifunctional self-propelled operating vehicle for high-node crops
CN104823547A (en) * 2015-05-09 2015-08-12 黑龙江卓沃机械科技有限公司 Four-wheel agricultural tiller

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Granted publication date: 20130313

Termination date: 20151010