CN112438242A - Self-propelled plant protection machinery - Google Patents

Self-propelled plant protection machinery Download PDF

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Publication number
CN112438242A
CN112438242A CN202010875180.3A CN202010875180A CN112438242A CN 112438242 A CN112438242 A CN 112438242A CN 202010875180 A CN202010875180 A CN 202010875180A CN 112438242 A CN112438242 A CN 112438242A
Authority
CN
China
Prior art keywords
plant protection
self
lifting
frame
spray rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010875180.3A
Other languages
Chinese (zh)
Inventor
长尾康史
长谷喜八郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iseki and Co Ltd
Original Assignee
Iseki and Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Iseki and Co Ltd filed Critical Iseki and Co Ltd
Publication of CN112438242A publication Critical patent/CN112438242A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0003—Atomisers or mist blowers
    • A01M7/0014—Field atomisers, e.g. orchard atomisers, self-propelled, drawn or tractor-mounted
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • A01C23/047—Spraying of liquid fertilisers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0025—Mechanical sprayers
    • A01M7/0032—Pressure sprayers
    • A01M7/0042—Field sprayers, e.g. self-propelled, drawn or tractor-mounted
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
    • A01M7/0053—Mounting of the spraybooms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
    • A01M7/0071—Construction of the spray booms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0082—Undercarriages, frames, mountings, couplings, tanks
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0082—Undercarriages, frames, mountings, couplings, tanks
    • A01M7/0085—Tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M2200/00—Kind of animal
    • A01M2200/01—Insects

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Pest Control & Pesticides (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Water Supply & Treatment (AREA)
  • Soil Sciences (AREA)
  • Catching Or Destruction (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

The invention provides a self-propelled plant protection machine which is used by transversely extending a spreading boom arranged on the left and right of a machine body, wherein an energy accumulator arranged in a hydraulic drive circuit for driving a lifting cylinder for lifting the spreading boom is arranged on a traveling vehicle body in a well-balanced manner, so that traveling stability is good. The self-propelled plant protection machine is provided with a chemical box (30) on the rear side of a main frame (3) provided with left and right front wheels (6) and rear wheels (7), a spray rod frame (38) provided with a plant protection spray rod (40) on the front side, a central spray rod (40a) and left and right side spray rods (40b) on the spray rod frame (38) in a liftable mode, and a lifting energy storage device (11) for buffering the pressure change of a lifting cylinder (39) for lifting the spray rod frame (38) is arranged on the front portion of the machine body.

Description

Self-propelled plant protection machinery
Technical Field
The present invention relates to a self-propelled plant protection machine (boom sprayer) in which a spray boom is deployed on the left and right sides of a machine body and plant protection work is performed while the machine is running.
Background
As described in patent document 1 and the like, a self-propelled plant protection machine performs lifting and lowering and spreading of a spray lance by hydraulic control, and uses an accumulator in a hydraulic drive circuit in order to alleviate vertical swing or impact of a long spray lance due to vibration of a traveling vehicle body, but patent document 1 does not describe a configuration of arranging the accumulator in a machine body.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 2017-184695
Disclosure of Invention
Problems to be solved by the invention
Since the accumulator is heavy in weight, the mounting position must be taken into consideration for maintenance and inspection. In addition, the weight balance of the running vehicle body needs to be considered.
The invention provides a self-propelled plant protection machine which is used by transversely extending a spreading boom arranged on the left and right of a machine body, wherein the inspection operation of an accumulator arranged in a hydraulic drive circuit for driving a lifting cylinder for lifting the spreading boom is easy, and the self-propelled plant protection machine is arranged on a traveling vehicle body in a balanced and good manner, so that the traveling stability is good.
Means for solving the problems
The above-described problems of the present invention are solved by the following means.
The invention according to claim 1 is a self-propelled plant protection machine in which a chemical tank 30 is mounted on the rear side of a main frame 3 to which left and right front wheels 6 and rear wheels 7 are attached, and a boom frame 38 to which a plant protection boom 40 is attached is mounted on the front side, and is characterized in that a lift accumulator 11 for buffering pressure fluctuation of a lift cylinder 39 for lifting the boom frame 38 is provided on the front portion of the machine body.
The invention according to claim 2 is the self-propelled plant protection machine according to claim 1, characterized in that an accumulator operation switch 12b for operating the lifting accumulator 11 is provided in the vicinity of the steering wheel 5 disposed upright in front of the driver's seat 4.
The invention according to claim 3 is a self-propelled plant protection machine according to claim 2, characterized in that a buffer indicator lamp 13 for indicating the operation of the lifting accumulator 11 is provided in the vicinity of the accumulator operation switch 12 b.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the invention of claim 1, since the chemical tank 30 is mounted on the rear side of the main frame 3, the boom frame 38 with the plant protection boom 40 mounted on the front side of the main frame 3 makes the front-rear balance of the machine body good, and the accumulator 11 for buffering the pressure fluctuation of the elevating cylinder 39 is mounted on the front portion of the machine body, the maintenance and inspection work of the hydraulic equipment and the accumulator 11 from the front side of the machine body becomes easy. Further, the weight of the rear part of the machine body is increased by the chemical liquid tank 30, but the energy storage 11 is provided in the front part of the machine body, so that the balance of the machine body is good.
With the invention according to claim 2, in addition to the effect of claim 1, the operator sitting in the driver seat 4 operating the steering wheel 5 operates the accumulator operating switch 12b in the original posture, so that the pressure fluctuation of the lift cylinder 39 is alleviated, and the vibration and the impact of the boom frame 38 can be reduced.
In addition to the effect of claim 2, according to the invention of claim 3, the worker sitting in the driver seat 4 can see that the damping of the boom frame 38 is reduced by observing the lighting of the damping indicator lamp 13, and can safely continue the work.
Drawings
FIG. 1 is a right side view of the self-propelled plant protection machine.
FIG. 2 is a plan view of the self-propelled plant protection machine.
FIG. 3 is a front view of the self-propelled plant protection machine.
Fig. 4 is a perspective view of the front side as viewed from the driver's seat.
FIG. 5 is a front view of the self-propelled plant protection machine.
Fig. 6 is a partially enlarged front view.
Fig. 7 is a partially enlarged side view.
Fig. 8 is a partially enlarged front view.
Fig. 9 is a plan view showing an operation state.
In the figure: 3-main frame, 4-driver's seat, 5-steering wheel, 6-front wheel, 7-rear wheel, 11-lift accumulator, 12-accumulator operating switch, 13-buffering display lamp, 30-chemical box, 38-spray rod frame, 39-lift cylinder, 40-plant protection spray rod.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to examples shown in the drawings. In the description of the embodiments, the left and right directions toward the forward direction of the machine body are referred to as the left and right directions, respectively, the forward direction is referred to as the front direction, and the backward direction is referred to as the rear direction, but the configuration of the present invention is not limited thereto.
The self-propelled plant protection machine 1 of the present embodiment is a work vehicle in which an operator such as an operator rides on the traveling vehicle body 2 to perform a driving operation and spreads a chemical to a farm field. As shown in fig. 1 to 3, the self-propelled plant protection machine 1 includes a traveling vehicle body 2, a cab 20, a chemical tank 30, a plant protection boom 40 for spreading chemical supplied from the chemical tank 30 to a farm field, and the like.
In the present embodiment, the traveling direction of the self-propelled plant protection machine 1 is a direction along the front-rear direction of the traveling vehicle body 2, and the self-propelled plant protection machine 1 travels straight in a direction from the operator's seat in the cab 20 toward the front windshield GF. The vehicle width direction or the left-right direction of the traveling vehicle body 2 is a direction horizontally orthogonal to the traveling direction. The vertical direction of the traveling vehicle body 2 is a direction perpendicular to the traveling direction.
The traveling vehicle body 2 is configured to include a main frame 3, a driver seat 4, a steering wheel 5, front wheels 6, and rear wheels 7. The main frame 3 is formed to extend in the front-rear direction of the running vehicle body 2. The driver seat 4 is a seat on which an operator sits when performing driving operation of the self-propelled plant protection machine 1. An operation unit 90 for controlling operations such as opening and closing of the plant protection boom 40 and spreading of a chemical is disposed at an appropriate position around the driver seat 4.
The steering wheel 5 erected in front of the driver seat 4 changes the traveling direction of the self-propelled plant protection machine 1 by turning at least the left and right front wheels 6 by the turning operation of the operator. That is, the front wheels 6 are steered wheels that are steered at least by a turning operation of the steering wheel 5.
The power of the engine in the engine cover BN is appropriately shifted in a transmission (not shown), and the power having been shifted is transmitted, whereby the front wheels 6 and the rear wheels 7 are rotationally driven.
The cab 20 forms a passenger compartment by surrounding the driver seat 4 and peripheral equipment, a steering wheel, and the like. The cab 20 is disposed between the chemical tank 30 and the plant protection boom 40. The cab 20 includes a cab frame 21 (a first front frame 21a, a fourth frame 21b, an upper frame 21c, and the like), a cab roof 22, left and right opening/closing doors 25L, 25R, and the like.
Fig. 4 is a view of the direction of the steering wheel 5 as viewed from the right side of the driver's seat 4 in the cab 20, and a yaw damper switch 12a, an up-down damper switch 12b, and a damper indicator lamp 13 are provided on the upper surface of the front operation box 27 in front of the steering wheel 5, so that the operator can operate the operation valves of the yaw accumulator 9 and the up-down accumulator 11 by appropriately opening and closing the yaw damper switch 12a and the up-down damper switch 12b while operating the steering wheel 5. When the yaw buffer switch 12a and the up-down buffer switch 12b are turned on, the buffer indicator lamp 13 is turned on.
As shown in fig. 2, the lifting accumulator 11 is provided at the front portion of the body (the foremost portion in the present embodiment), and is lifted and lowered together with the boom frame. This facilitates maintenance of the lifting accumulator 11. Further, since the heavy chemical tank 30 is provided at the rear part of the machine body, the balance of the machine body is improved by disposing the heavy lifting accumulator 11 at the front part of the machine body.
The cab frame 21 includes: left and right first front frames 21a disposed on left and right sides in the vehicle width direction of a front portion of the cab 20 and erected on the main frame 3; left and right second frames 21d disposed behind the left and right first front frames 21 a; and left and right third frames 21e disposed behind the left and right second frames 21 d. Further, a left and right fourth frame 21b which is not erected on the main frame 3 is formed behind the left and right third frames 21e, and the cab frame 21 includes the left and right first front frames 21a, the left and right second frames 21d, the left and right third frames 21e, and an upper frame 21c which connects upper portions of the left and right fourth frames 21 b.
The lower end portions of the left and right fourth frames 21b and the intermediate portions of the left and right third frames 21e are connected by left and right fifth frames 21 f. The middle portions of the left and right first front frames 21a are coupled by a front coupling frame 21 g. The lower ends of the left and right fourth frames 21b are connected to each other by a rear connecting frame 21 h.
A front windshield glass GF is attached between the front connection frame 21g and the upper frame 21 c. A rear windshield glass 57 is provided between the rear linking frame 21h and the upper frame 21c, and the rear windshield glass 57 is configured to be openable and closable outward with the upper side as a fulcrum.
Further, nozzles for water and wipers are provided on the left and right sides or one side of the lower portion of the front windshield GF, so that the front surface can be wiped appropriately. The left and right nozzles and the wiper blade can be used simultaneously, alternately, or only on the required side.
Left and right work lights WR1 and WR2 are provided at an upper front portion of the cab 20. Further, left and right headlamps BFL, BFR are provided at the front portion of the engine cover BN. The left and right work lamps WR1 and WR2 are configured to be interlocked with the left and right headlamps BFL and BFR. Namely, the following circuit is employed: when the left and right task lamps WR1 and WR2 are turned on, the left and right headlamps BFL and BFR are turned off. This makes it possible to ensure charge and discharge performance and prevent battery depletion because the lighting is not performed simultaneously.
A left side mirror 35L capable of monitoring the rear of the body is attached to the left front projecting arm 27L via a left support plate 36L.
The chemical tank 30 is a container that contains a chemical solution that is spread from the spray bar 40. As shown in fig. 1, medicine tank 30 is disposed on the rear side of cab 20. As shown in fig. 2, the chemical tank 30 is formed in an コ shape to surround both right and left sides and the rear side of the driver seat 4 in a plan view, and is detachably mounted on the main frame 3. The chemical solution is a liquid such as a liquid obtained by dissolving a fertilizer, an agricultural chemical, or the like in a solvent (e.g., water) or a liquid containing a solid component such as a fertilizer, an agricultural chemical, or the like (e.g., water).
As shown in fig. 9, the plant protection boom 40 spreads the chemical from the front side of the self-propelled plant protection machine 1 to the left and right over a wide width.
As shown in fig. 5 to 8, the nozzle frame 38 supporting the nozzle 40 is coupled to the main frame 3 via a link arm on the front side of the traveling vehicle body 2, and is configured to be movable up and down by the right and left lift cylinders 39 (fig. 2). The spray bar 40 is composed of a center spray bar 40a and side spray bars 40b on both sides, and the front end side of the side spray bar 40b is raised and lowered by spray bar cylinders 42L, 42R.
The center lance 40a is disposed on the lance frame 38 on the front side of the engine cover BN and is disposed horizontally in the vehicle width direction of the traveling vehicle body 2. Further, a plurality of nozzles 41a for spraying a medicine are provided at intervals in the center nozzle bar 40 a.
The side booms 40b are attached to the left and right sides of the center boom 40a so as to be capable of switching between a spreading posture extending in the vehicle width direction of the traveling vehicle body 2 and a storage posture extending along the left and right sides of the traveling vehicle body 2. In the storage attitude, the side lance 40b is supported by lance receivers 80 (fig. 1) disposed diagonally upward in side view on the rear left and right sides of the traveling vehicle body 2. A plurality of nozzles 41b for spraying a medicine are disposed at intervals on the side spray bar 40 b.
The construction of fig. 5 shows a construction in which, in addition to the lifting energy storage 11, a yaw energy storage 29 is provided. In order to maintain the horizontal structure of the nozzle rod frame 38 regardless of the left-right inclination of the machine body, the nozzle rod frame 38 is supported by the yaw cylinder 23 and the yaw return spring 24 so as to be swingable. Furthermore, the impact pressure of the yaw cylinder 23 is relieved by the yaw accumulator 29 and the yaw accumulator valve 28. The yaw energy storage 29 is provided at the front of the body and on the right side of the elevation energy storage 11, and is configured to be elevated together with the boom frame 38.
Further, the lift accumulator 11 is attached to the left and right centers of the front side of the nozzle rod frame 38 via the lift accumulator valves 15 to relieve the impact pressure of the left and right lift cylinders 39 (fig. 2), but a cover 17 is provided to cover the hydraulic devices such as the up-down valve 19.

Claims (3)

1. A self-propelled plant protection machine, wherein a chemical tank (30) is mounted on the rear side of a main frame (3) equipped with left and right front wheels (6) and rear wheels (7), a spray rod frame (38) equipped with a plant protection spray rod (40) is mounted on the front side,
the self-propelled plant protection machine is characterized in that,
the front part of the machine body is provided with a lifting energy accumulator (11) for buffering the pressure change of a lifting cylinder (39) for lifting the spray rod rack (38).
2. The self-propelled plant protection machine of claim 1,
an accumulator operating switch (12b) for operating the lifting accumulator (11) is provided in the vicinity of a steering wheel (5) disposed upright in front of a driver seat (4).
3. The self-propelled plant protection machine of claim 2,
a buffer display lamp (13) for displaying the operation of the lifting energy storage device (11) is arranged near the energy storage device operation switch (12 b).
CN202010875180.3A 2019-08-29 2020-08-27 Self-propelled plant protection machinery Pending CN112438242A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-156535 2019-08-29
JP2019156535A JP7070520B2 (en) 2019-08-29 2019-08-29 Self-propelled pest control machine

Publications (1)

Publication Number Publication Date
CN112438242A true CN112438242A (en) 2021-03-05

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ID=74674179

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010875180.3A Pending CN112438242A (en) 2019-08-29 2020-08-27 Self-propelled plant protection machinery

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JP (1) JP7070520B2 (en)
KR (1) KR20210027178A (en)
CN (1) CN112438242A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102484410B1 (en) * 2020-07-07 2023-01-03 주식회사 한아 Pest control apparatus for multi-direction with a automatic switching function

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CN106900682A (en) * 2017-01-17 2017-06-30 燕山大学 A kind of high-clearance self-propelled fog machine of full hydraulic system
JP2018014939A (en) * 2016-07-28 2018-02-01 井関農機株式会社 Self-propelled pest control machine
CN207023014U (en) * 2016-06-21 2018-02-23 井关农机株式会社 Self-propelled fog machine
JP2018068188A (en) * 2016-10-27 2018-05-10 井関農機株式会社 Self-propelled pest control machine
CN112293383A (en) * 2019-07-31 2021-02-02 井关农机株式会社 Self-propelled medicament broadcast seeder

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JP5801618B2 (en) * 2011-06-21 2015-10-28 カヤバ工業株式会社 Boom sprayer and boom damping device
JP5895768B2 (en) * 2012-08-27 2016-03-30 井関農機株式会社 Chemical spraying work vehicle
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Publication number Priority date Publication date Assignee Title
EP2239467A2 (en) * 2009-04-06 2010-10-13 Robert Bosch GmbH Hydraulic control device
CN207023014U (en) * 2016-06-21 2018-02-23 井关农机株式会社 Self-propelled fog machine
JP2018014939A (en) * 2016-07-28 2018-02-01 井関農機株式会社 Self-propelled pest control machine
JP2018068188A (en) * 2016-10-27 2018-05-10 井関農機株式会社 Self-propelled pest control machine
CN106900682A (en) * 2017-01-17 2017-06-30 燕山大学 A kind of high-clearance self-propelled fog machine of full hydraulic system
CN112293383A (en) * 2019-07-31 2021-02-02 井关农机株式会社 Self-propelled medicament broadcast seeder

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JP7070520B2 (en) 2022-05-18
JP2021029215A (en) 2021-03-01

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