WO2023243913A1 - Chargeuse agricole et véhicule de travail agricole la comprenant - Google Patents

Chargeuse agricole et véhicule de travail agricole la comprenant Download PDF

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Publication number
WO2023243913A1
WO2023243913A1 PCT/KR2023/007512 KR2023007512W WO2023243913A1 WO 2023243913 A1 WO2023243913 A1 WO 2023243913A1 KR 2023007512 W KR2023007512 W KR 2023007512W WO 2023243913 A1 WO2023243913 A1 WO 2023243913A1
Authority
WO
WIPO (PCT)
Prior art keywords
boom
bucket
loader
stopper
boom cylinder
Prior art date
Application number
PCT/KR2023/007512
Other languages
English (en)
Korean (ko)
Inventor
나건영
Original Assignee
엘에스엠트론 주식회사
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
Application filed by 엘에스엠트론 주식회사 filed Critical 엘에스엠트론 주식회사
Publication of WO2023243913A1 publication Critical patent/WO2023243913A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
    • A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
    • A01B59/064—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors for connection to the front of the tractor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
    • A01B59/06—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines mounted on tractors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E02F3/382—Connections to the frame; Supports for booms or arms
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/627—Devices to connect beams or arms to tractors or similar self-propelled machines, e.g. drives therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/14—Booms only for booms with cable suspension arrangements; Cable suspensions
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/24—Safety devices, e.g. for preventing overload
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/24—Safety devices, e.g. for preventing overload
    • E02F9/245—Safety devices, e.g. for preventing overload for preventing damage to underground objects during excavation, e.g. indicating buried pipes or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/20—Off-Road Vehicles
    • B60Y2200/22—Agricultural vehicles
    • B60Y2200/221—Tractors

Definitions

  • the present invention relates to an agricultural loader and an agricultural work vehicle including the same, and more specifically, to an agricultural loader having a bucket for loading transported materials and an agricultural vehicle including the same.
  • Agricultural work vehicles are used to use land to grow crops necessary for human life.
  • combines, tractors, etc. are agricultural work vehicles.
  • a combine is used to harvest and thresh crops such as rice, barley, wheat, and soybeans.
  • Tractors use traction to perform the work necessary to grow crops.
  • Prior literature includes engine frames to support engines; a protective frame connected to each of the protective portion and the engine frame to support a protective portion for protecting the driver's seat of the agricultural work vehicle; and a rear frame connected to each of the rear working machine and the engine frame to support the rear working machine mounted on the rear of the agricultural work vehicle, wherein the protective connection member of the protective frame and the rear connecting member of the rear frame overlap each other. It is arranged heavily and is detachably connected to the engine frame.
  • a loader placed on an agricultural work vehicle is a device that lifts soil, etc., and generally the loader is driven up and down through the loader's cylinder.
  • the loader When a worker repairs an agricultural work vehicle with the loader raised, or works under the loader while the loader is raised during loader work, the worker may fall as the loader descends due to its own weight or a problem with the cylinder. The problem is that you can get seriously injured.
  • the problem to be solved by the present invention is to provide an agricultural loader that prevents the bucket from lowering due to its own weight and an agricultural work vehicle including the same.
  • the agricultural loader includes a bucket, a coupling member coupled to the vehicle body, and a boom whose one end is rotatably coupled to the bucket and the other end is rotatably coupled to the coupling member. It includes a stopper that is rotatably coupled to the member and coupling member and prevents rotation of the boom member in the direction in which the bucket is lowered.
  • the agricultural loader further includes a boom cylinder unit that has one end rotatably coupled to the coupling member and the other end rotatably coupled to the boom member and rotates the boom member, and the end of the stopper can be caught on the boom cylinder unit.
  • the boom cylinder unit may include a boom cylinder rotatably coupled to the boom member, a boom piston at one end rotatably coupled to the coupling member, extending toward the boom cylinder, and having the other end inserted into the boom cylinder.
  • the other end of the stopper may support the end of the boom cylinder.
  • the stopper may surround at least a portion of the boom piston.
  • the rotation axis of the stopper may be arranged in a straight line with the rotation axis of the boom piston.
  • the stopper may be disposed at the top of the boom cylinder portion.
  • the boom cylinder portion may be disposed at the lower part of the boom member.
  • an agricultural work vehicle includes a vehicle body and a loader coupled to the vehicle body.
  • the loader includes a bucket, a coupling member coupled to the vehicle body, a boom member with one end rotatably coupled to the bucket and the other end rotatably coupled to the coupling member, and a boom member rotatably coupled to the coupling member in the direction in which the bucket descends. It includes a stopper that prevents rotation of the boom member.
  • the stopper surrounds at least part of the boom piston, and has the advantage of preventing soil and sand from being splashed on the boom piston during work, thereby preventing failure of the piston unit.
  • FIG. 1 is a front view showing a loader of an agricultural work vehicle according to the present invention
  • Figure 2 is a diagram showing a case in which the loader is raised in Figure 1;
  • FIG. 3 is a plan view of a loader according to the present invention.
  • Figure 4 is a cross-sectional view of portion A in Figure 3;
  • Figure 5 is a cross-sectional view of part B in Figure 4.
  • Figure 7 is a diagram showing a state in which the stopper is caught as the boom cylinder unit rotates.
  • FIG. 1 is a right side view of an agricultural work vehicle according to the present invention.
  • the agricultural work vehicle according to the present invention is used to grow crops necessary for human life using land.
  • Agricultural work vehicles according to the present invention may be tractors, combines, etc.
  • the vehicle body 100 may have an engine inside and be driven by the engine.
  • the vehicle body 100 has a plurality of wheels.
  • the wheels are driven by the engine, and the vehicle body 100 can be moved.
  • the vehicle body 100 according to the present invention can perform more diverse tasks by being equipped with work tools such as a loader 200 and a backhoe.
  • the loader 200 can be used to move excavated soil, aggregate, crushed rock, etc.
  • Backhoes can be used for excavation work to dig up work sites.
  • the description will be made based on an embodiment in which the loader 200 is mounted on an agricultural work vehicle according to the present invention.
  • the present invention derives an embodiment in which the backhoe is mounted on an agricultural work vehicle according to the present invention from this. It will be self-evident to those skilled in the art.
  • the loader 200 is a component that holds soil, etc.
  • the loader 200 can perform the task of moving excavated soil, aggregate, crushed rock, etc. while coupled to the vehicle body 100.
  • the loader 200 is rotatably coupled to the vehicle body 100 and loads the transported material. Specifically, the loader 200 is coupled to the front of the vehicle body 100. The loader 200 may be detachably coupled to the vehicle body 100.
  • the loader 200 may be coupled to the vehicle body 100 through a coupling member 260.
  • the loader 200 can be supported on the vehicle body 100 by being coupled to the vehicle body 100 through a coupling member 260.
  • the coupling member 260 is fixedly coupled to the vehicle body 100.
  • the coupling member 260 is disposed on the side of the vehicle body 100.
  • the coupling member 260 is disposed on both sides of the vehicle body 100, so that the left boom member 220 and the right boom member 220 can be coupled to each other.
  • the loader 200 may be composed of a bucket 210, a boom member 220, a boom cylinder part 230, a bucket cylinder part 240, and a stopper 250.
  • the bucket 210 is a component that loads the transported material.
  • the bucket 210 has a recessed groove formed from the upper surface to the lower part, and materials to be transported can be loaded into the groove.
  • the bucket 210 is rotatably coupled to the boom member 220 and can rotate to scoop up the transported material.
  • the bucket 210 can be raised and lowered relative to the vehicle body 100 as the boom member 220 rotates.
  • the bucket 210 may be coupled to the boom member 220 and the bucket cylinder portion 240. Accordingly, when the bucket cylinder part 240 operates, it can rotate based on the connection point with the boom member 220.
  • the boom member 220 is a component that supports the bucket 210 to the vehicle body 100.
  • One end of the boom member 220 is coupled to the bucket 210, and the other end is rotatably coupled to the vehicle body 100. Referring to FIG. 1, the front end of the boom member 220 is rotatably coupled to the bucket 210, and the rear end is rotatably coupled to the vehicle body 100.
  • the boom member 220 includes a boom body 221 and a boom hinge 223 and a bucket hinge 222 disposed at both ends of the boom body 221.
  • a boom hinge 223 is disposed at the rear end of the boom member 220, and the boom member 220 is supported by the vehicle body 100 and can rotate by the boom hinge 223. The boom member 220 rotates to elevate the bucket 210.
  • a bucket hinge 222 is disposed at the front end of the boom member 220, and the bucket 210 is supported on the boom member 220 by the bucket hinge 222 and can rotate.
  • the bucket 210 can scoop up soil and sand from the ground while rotating.
  • the boom member 220 may have a bent portion.
  • the boom member 220 extends backward and downward from the bent portion, and the rear end is coupled to the vehicle body 100.
  • the boom member 220 extends forward and downward from the bent portion, and the front end is coupled to the bucket 210.
  • the boom cylinder unit 230 is a component that moves the boom member 220. Specifically, the boom cylinder unit 230 rotates the boom member 220 by hydraulic pressure.
  • One end of the boom cylinder unit 230 is rotatably coupled to the vehicle body 100, and the other end is rotatably coupled to the boom member 220.
  • the rear end of the boom cylinder unit 230 is rotatably coupled to the vehicle body 100, and the front end is rotatably coupled to the boom member 220.
  • the boom cylinder unit 230 can rotate with the rear end as the center of rotation. When the boom cylinder unit 230 is tensioned, the boom cylinder unit 230 rotates clockwise with respect to FIG. 1, and the boom member 220 rotates clockwise with respect to FIG. 1 to form the bucket 210. raises.
  • the boom cylinder unit 230 may be composed of a boom cylinder 231 and a boom piston 232.
  • the boom piston 232 When the boom piston 232 is inserted into the boom cylinder 231, the length of the boom cylinder part 230 is shortened, and when the boom piston 232 is pulled out from the boom cylinder 231, the length of the boom cylinder part 230 is shortened. It gets longer.
  • the boom cylinder 231 is rotatably coupled to the boom member 220.
  • the front end of the boom cylinder 231 is coupled to the boom member 220 and extends rearward.
  • the rear end of the boom cylinder 231 has a groove formed into which the boom piston 232 is inserted.
  • One end of the boom piston 232 is rotatably coupled to the vehicle body 100, extends toward the boom cylinder 231, and the other end is inserted into the boom cylinder 231.
  • the rear end of the boom piston 232 is coupled to the coupling member 260 and extends forward.
  • the front end of the boom piston 232 is inserted into a groove formed at the rear end of the boom cylinder 231.
  • the boom cylinder unit 230 may be operated hydraulically. Alternatively, the boom cylinder unit 230 may be operated by pneumatic pressure.
  • the bucket cylinder unit 240 is a component that moves the bucket 210. Specifically, the bucket cylinder unit 240 rotates the boom member 220 by hydraulic pressure.
  • One end of the bucket cylinder portion 240 is coupled to the boom member 220, and the other end is coupled to the bucket 210.
  • the rear end of the bucket cylinder portion 240 is coupled to the boom member 220, and the front end is coupled to the bucket 210.
  • the bucket cylinder portion 240 may be composed of a bucket cylinder 241 and a bucket piston 242.
  • the length of the bucket cylinder part 240 is shortened, and when the bucket piston 242 is pulled out from the bucket cylinder 241, the length of the bucket cylinder part 240 is shortened. It gets longer.
  • the rear end of the bucket cylinder 241 is coupled to the boom member 220 and extends forward.
  • the front end of the bucket cylinder 241 has a groove formed into which the bucket piston 242 is inserted.
  • the front end of the bucket piston 242 is coupled to the bucket 210 and extends rearward.
  • the other end of the bucket piston (242) is inserted into the bucket cylinder (241).
  • the bucket cylinder unit 240 may be operated hydraulically. Alternatively, the bucket cylinder unit 240 may be operated by pneumatic pressure.
  • the stopper 250 is a component that prevents rotation of the boom member 220.
  • the stopper 250 prevents the boom member 220 from rotating when the bucket 210 is located at a predetermined height.
  • the stopper 250 is disposed on the boom cylinder unit 230 to prevent compression of the boom cylinder unit 230 and prevent the boom member 220 from rotating counterclockwise, thereby preventing the bucket ( 210) prevents it from descending. Accordingly, there is an effect of ensuring the safety of the worker when he or she is working under the bucket 210.
  • the stopper 250 is coupled to the vehicle body. Referring to FIG. 1, the rear end of the stopper 250 is coupled to the vehicle, and specifically, the rear end of the stopper 250 is rotatably coupled to the coupling member 260.
  • the end of the stopper 250 is caught on the boom cylinder portion 230. Referring to FIG. 1, the front end of the stopper 250 is caught by the boom cylinder unit 230 to support the boom cylinder unit 230 and prevent the boom cylinder unit 230 from being compressed.
  • the longitudinal direction of the stopper 250 is arranged parallel to the moving direction of the boom cylinder unit 230.
  • the other end of the stopper 250 supports the end of the boom cylinder 231.
  • the rear end of the stopper 250 is rotatably coupled to the coupling member 260, and the front end of the stopper 250 supports the rear end of the boom cylinder 231.
  • supporting the boom cylinder 231 as in the present invention has the effect of being able to withstand a greater load.
  • the stopper 250 surrounds at least a portion of the boom piston 232.
  • the stopper 250 may be divided into a horizontal portion 251 and a vertical portion 252.
  • the horizontal portion 251 is disposed on the upper part of the boom piston 232 and extends along the longitudinal direction of the boom piston 232.
  • the vertical portion 252 extends from both ends of the horizontal portion 251 in the vertical direction of the longitudinal direction of the boom piston 232.
  • the stopper 250 surrounds at least a portion of the boom piston 232, it has the effect of preventing soil splashed during work from getting on the boom piston 232 and preventing damage to the boom cylinder unit 230.
  • the rotation axis of the stopper 250 is arranged in a straight line with the rotation axis of the boom piston 232.
  • the rear end of the stopper 250 and the rear end of the boom piston 232 may be coupled to one hinge disposed on the coupling member 260.
  • the stopper 250 is disposed on the upper part of the boom cylinder part 230.
  • Figure 7a shows when the loader 200 is driving, and the stopper 250 is disposed on the upper part of the boom cylinder 231 and is supported on the boom cylinder 231 to limit the movement of the boom cylinder unit 230. can not do.
  • Figure 7b shows when the loader 200 is raised, the boom cylinder 231 rotates clockwise and is tensioned, and when stretched over a certain length, the stopper 250 is supported at the bottom of the boom cylinder 231. Prevents the boom cylinder part 230 from being compressed. By having this arrangement, even without adding a separate drive motor or elastic member to the stopper 250, there is an effect that the stopper 250 is immediately caught on the boom cylinder part 230 by simply raising the bucket 210. there is.
  • the boom cylinder unit 230 is disposed at the lower part of the boom member 220. Referring to FIG. 1, the boom cylinder portion 230 is disposed at the lower portion of the boom member 220, and the stopper 250 is disposed between the boom cylinder portion 230 and the boom member 220. By having this arrangement, the stopper 250 does not protrude to the outside, which has the effect of preventing the worker's body from being scratched and injured.
  • the loader 200 may further include a motor connected to the stopper 250 and driving the stopper 250.
  • the motor when the bucket 210 rises, the motor operates to fasten the stopper 250 to the boom cylinder part 230, and before the bucket 210 descends, the motor operates to release the stopper 250. can do.
  • the boom cylinder unit 230 when the bucket 210 rises, the boom cylinder unit 230 is compressed by the weight of the bucket 210 to prevent the bucket 210 from descending. Therefore, there is an effect of ensuring the safety of workers working under the bucket 210.

Abstract

La présente invention concerne un véhicule de travail agricole ayant une chargeuse, le véhicule comprenant : un seau pour charger un matériau à transporter ; un élément flèche ayant une extrémité accouplée au seau et l'autre extrémité accouplée de manière rotative à un corps de véhicule ; et une butée qui est accouplée au corps de véhicule et empêche l'élément flèche de tourner lorsque le seau est situé à une certaine hauteur. Lorsque le seau est soulevé, la butée s'accroche sur un vérin de flèche pour empêcher une partie de vérin de flèche de se comprimer et empêche le seau de tomber, garantissant ainsi la sécurité d'un ouvrier travaillant sous le seau.
PCT/KR2023/007512 2022-06-15 2023-06-01 Chargeuse agricole et véhicule de travail agricole la comprenant WO2023243913A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2022-0073026 2022-06-15
KR1020220073026A KR20230172312A (ko) 2022-06-15 2022-06-15 농작업용 로더 및 이를 포함하는 농업용 작업차량

Publications (1)

Publication Number Publication Date
WO2023243913A1 true WO2023243913A1 (fr) 2023-12-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/007512 WO2023243913A1 (fr) 2022-06-15 2023-06-01 Chargeuse agricole et véhicule de travail agricole la comprenant

Country Status (2)

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KR (1) KR20230172312A (fr)
WO (1) WO2023243913A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0126654Y1 (ko) * 1995-01-13 1998-10-15 채순석 농구대용 캐스터 승강장치
KR200311286Y1 (ko) * 2003-02-03 2003-04-21 안성공업주식회사 트랙터 부착용 프론트 로우더 스탠드 장치
KR20150033817A (ko) * 2013-09-24 2015-04-02 대동공업주식회사 작업차용 프론트 로더 및 이를 구비하는 농용 작업차
EP2946646A1 (fr) * 2014-05-13 2015-11-25 JRS GmbH & Co. KG Dispositif doté d'un dispositif d'arrêt
KR102317204B1 (ko) * 2017-04-24 2021-10-25 엘에스엠트론 주식회사 트랙터용 상부 링크

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102363695B1 (ko) 2016-12-27 2022-02-16 엘에스엠트론 주식회사 농업용 작업차량의 프레임장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0126654Y1 (ko) * 1995-01-13 1998-10-15 채순석 농구대용 캐스터 승강장치
KR200311286Y1 (ko) * 2003-02-03 2003-04-21 안성공업주식회사 트랙터 부착용 프론트 로우더 스탠드 장치
KR20150033817A (ko) * 2013-09-24 2015-04-02 대동공업주식회사 작업차용 프론트 로더 및 이를 구비하는 농용 작업차
EP2946646A1 (fr) * 2014-05-13 2015-11-25 JRS GmbH & Co. KG Dispositif doté d'un dispositif d'arrêt
KR102317204B1 (ko) * 2017-04-24 2021-10-25 엘에스엠트론 주식회사 트랙터용 상부 링크

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