WO2023128315A1 - Structure de montage de machine de travail agricole de type à entraînement central - Google Patents

Structure de montage de machine de travail agricole de type à entraînement central Download PDF

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Publication number
WO2023128315A1
WO2023128315A1 PCT/KR2022/018968 KR2022018968W WO2023128315A1 WO 2023128315 A1 WO2023128315 A1 WO 2023128315A1 KR 2022018968 W KR2022018968 W KR 2022018968W WO 2023128315 A1 WO2023128315 A1 WO 2023128315A1
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WO
WIPO (PCT)
Prior art keywords
mounting
quick attachment
support plate
agricultural
frame
Prior art date
Application number
PCT/KR2022/018968
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English (en)
Korean (ko)
Inventor
김중호
Original Assignee
로보드림 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
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Application filed by 로보드림 주식회사 filed Critical 로보드림 주식회사
Publication of WO2023128315A1 publication Critical patent/WO2023128315A1/fr

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    • 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
    • A01B59/04—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines pulled or pushed by a tractor
    • A01B59/042—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines pulled or pushed by a tractor having pulling means arranged on the rear part of the tractor
    • A01B59/043—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines pulled or pushed by a tractor having pulling means arranged on the rear part of the tractor supported at three points, e.g. by quick-release couplings
    • 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
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/102—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means characterised by the location of the mounting on the tractor, e.g. on the rear part
    • 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

Definitions

  • the present invention relates to a central drive type agricultural implement, and more particularly, to a central drive type agricultural implement mounting structure capable of firmly and conveniently mounting an agricultural implement as a quick attachment on the rear of a farm tractor.
  • a Rotavator one of agricultural working machines, is an agricultural machine used for cultivating land for sowing or transplanting crops.
  • the rotavator is mounted on a cultivator or tractor and rotates a plurality of tillage blades provided on a tillage shaft receiving power from the engine of the tiller or tractor to plow the farmland to an appropriate depth so that crops can be seeded or transplanted. will be.
  • the conventional rotavator disclosed in the prior art literature has a main body in which the power transmission unit to which the power of the tractor is transmitted is provided in the upper center area, and both ends are finished with respective side plates, and both sides installed between the power transmission unit and both side plates, respectively. With one end connected to the support frame and the power transmission unit, the other end passes through the left side plate through one support frame, that is, the left support frame, and the gear coupling shaft provided rotatably and coupled to the left end of the gear coupling shaft.
  • a gearbox consisting of a first sprocket wheel rotated in a rotated state and a second sprocket wheel connected by a chain while being coupled and rotated to a tiller shaft is configured.
  • a plurality of tillage blades are installed in a coupled and fixed state on the tillage shaft, and the farmland is plowed to an appropriate depth while being rotated by the tillage shaft.
  • An object of the present invention is to provide a central driving agricultural implement mounting structure.
  • the agricultural implement mounting structure of the central drive type is an agricultural implement mounting structure in which an agricultural implement is power-transmittingly connected to a quick attachment provided in an agricultural tractor, and the agricultural implement has upper and lower parts
  • a mounting box having respective mounting pins is provided, the gearbox hinged to the bottom of the mounting box is provided with an input shaft to which power is input, and the quick attachment is coupled to the upper and lower mounting pins of the mounting box, respectively.
  • An upper link and a lower link having a lower hook are rotatably provided, and an output shaft through which power of the tractor is output is provided between the upper hook and the lower hook, and when the quick attachment and the agricultural implement are connected, the output shaft and the input shaft are coupled to transmit power It is characterized by an agricultural working machine mounting structure provided to enable this.
  • the quick attachment includes a frame in which the upper link is hinged, and a slider provided on both sides of the frame and a lower link in which the lower link is hinged. It may be provided to adjust.
  • the output shaft may be connected to the PTO shaft of the tractor by a universal joint and elastically supported by the frame, and an elastic member may be provided between the output shaft and the frame to return the output shaft to its original position.
  • the quick attachment is provided with a support plate protruding toward the agricultural machine, a cut coupling groove is formed in the support plate, and a locking projection opposite to the support plate protrudes from the mounting box and is inserted into the coupling groove of the support plate, so that the locking projection and the support plate are cross-shaped. As coupled, it may be provided to block the flow when connecting the quick attachment and the agricultural working machine.
  • both end portions of the support plate may be formed as guide protrusions protruding obliquely outward from the coupling grooves to guide the locking protrusions inserted into the coupling grooves of the support plate.
  • the slider includes a support frame that comes in and out from its lower surface, and the support frame may be provided to be fixed in position with a fixing pin penetrating the slider and the support frame.
  • the agricultural implement is simply and firmly mounted as a quick attachment installed on the three-point link at the rear of the tractor, thereby improving its workability.
  • the power transmission is made easy by being provided to be automatically coupled to the power transmission unit upon coupling of the quick attachment and the agricultural working machine.
  • FIG. 1 is a view of a state in which a rotavator exemplified as an example of an agricultural work machine according to the present invention is connected to a tractor by a quick attachment.
  • FIG. 2 is a view showing a quick attachment according to the present invention.
  • Figure 3 is a view showing the outrigger structure provided in the quick attachment according to the present invention
  • Figure 3a is a view of a state in which the support frame is retracted into the slider
  • Figure 3b is a view of the state in which the support frame is withdrawn from the slider .
  • Figure 4 is a separation view of the rotavator and the quick attachment according to the present invention. - Previous 3 degrees
  • FIG. 5 is an exploded view of FIG. 4 viewed from another direction.
  • FIG. 6 is a combined view of FIG. 5 .
  • Figure 7 is a view showing a separated state between the rotavator and the quick attachment according to the present invention from the side.
  • FIG. 8 is a separated view of the rotavator according to the present invention.
  • FIG. 9 is a front configuration view of a rotavator according to the present invention.
  • FIG. 10 is a separation view of a gearbox and a mounting box configured in a rotator according to the present invention.
  • FIG. 11 is a view showing a shock absorber configured between a rotavator and a mounting box according to the present invention.
  • FIG. 1 to 11 are drawings showing a central drive type rotavator and a quick attachment and a mounting structure thereof according to the present invention.
  • the agricultural working machine according to the present invention is mounted to be connected to the rear of the agricultural tractor to enable transmission of power.
  • the agricultural work machine includes a harvester, a rotavator, a plow, a seeder, a mower, a soil cover machine, a trailer, a baler, a compost spreader, etc. Let's explain.
  • the rotavator 100 is provided mounted on the rear of the tractor 1.
  • a three-point link consisting of an upper link 10 and a lower link 11 is provided at the rear of the tractor 1, and a quick attachment 200 is coupled and mounted to the three-point link of the tractor 1, and the quick attachment ( 200), the rotavator 100 is coupled and mounted.
  • the quick attachment 200 is provided on both sides of the frame 210 to which the upper link 10 is rotatably coupled among the three-point links of the tractor 1, and the frame 210 It includes a slider 220 to which the lower link 11 of the three-point link is rotatably coupled.
  • the frame 210 is provided with a hollow square pipe parallel to the rotavator 100, and an upper hook 211 coupled to a mounting box 130 to be described later is rotatably provided on a side facing the rotator 100. do.
  • the slider 220 is also formed of a square pipe and is provided orthogonally to the rotavator 100, and the lower hook 221 coupled to the mounting box 130 to be described later is rotatable on the side facing the rotavator 100. are provided
  • These sliders 220 are provided to enter and exit from both sides of the frame 210 in the axial direction of the frame 210, so that the width of both sliders 220 can be adjusted.
  • a support frame 222 in the form of a square pipe is provided on the lower surface of the slider 220 to enter and exit, and the support frame 222 to and from the slider 220 penetrates the slider 220 and the support frame 222. It is provided to be fixed in position by the fixing pin 223. At this time, a plurality of fixing holes through which the fixing pins 223 are penetrated are formed in the upper and lower portions of the slider 220, and one fixing hole is formed in the support frame 222 corresponding to the fixing holes.
  • the support frame 222 is drawn out from the slider 220 and grounded to the ground to support the quick attachment 200, so that when connecting the mounting box 130 of the rotator 100 to the quick attachment 200, the flow Since it is minimal, it can be easily installed.
  • the upper hook 211 on the side of the frame 210 is formed in a hook shape with an opening facing downward at its front end, and the upper mounting pin 133 of the mounting box 130 configured in the rotavator 100 to be described later coupled to
  • the lower surface of the frame 210 is provided with a power transmission unit 230 for transmitting power of the tractor 1 to the rotavator 100, coupled with the power transmission unit 120 of the gearbox 110 to be described later. do.
  • the lower hook 221 on the side of the slider 220 is formed in a hook shape facing upward so that the opening at its front end is opposite to the opening of the upper hook 211, and the lower mounting pin of the mounting box 130 to be described later ( 134).
  • the upper hook 211 of the quick attachment 200 is coupled to the upper mounting pin 133 of the mounting box 130 configured in the rotavator 100 from top to bottom, and the lower part of the quick attachment 200
  • the hook 221 is inserted into and coupled to the lower mounting pin 134 of the mounting box 130 from bottom to top, so that the upper and lower hooks 211 and 221 are rotated in the direction facing each other, and the upper and lower mounting pins ( 133) Rotavator 100 according to the defect in (134) is equipped with a strong coupling force to the quick attachment (200).
  • the power transmission unit 230 is composed of an output shaft 231 provided to be positioned downward through the fixing plate 232 on the frame 210.
  • One side of the output shaft 231 is connected to the PTO shaft of the tractor 1 by a universal joint so that the power of the tractor 1 is transmitted and output to the output shaft 231, and the other side of the output shaft 231 is a gearbox to be described later. It is engaged with the input shaft 121 of (110) and is provided in a state in which power transmission is possible.
  • the output shaft 231 is provided to be located at the lower portion of the frame 210 by the fixing plate 232, it is possible to easily secure an installation space for a universal joint connected thereto.
  • the fixing plate 232 has a tension since the upper end thereof is provided as a fixed end fixed to the frame 210 while the lower end is provided as a free end.
  • a support pin 233 is provided through the fixing plate 232 above the output shaft 231, and the output shaft 231, that is, the fixing plate 232, is moved between the support pin 233 and the fixing plate 232 to its original position.
  • An elastic member for returning is provided.
  • teeth corresponding to each other are formed on the input shaft 121 and the output shaft 231, and an inclined surface is formed on one surface of both teeth in contact with each other to induce smooth engagement.
  • the support pin 233 may be composed of bolts and nuts, and the elastic member may be provided as a compression coil spring 234 (hereinafter referred to as "spring").
  • the upper surface of the frame 210 is provided with a support plate 240 protruding toward the rotavator 100, and a plurality of coupling grooves 242 cut toward the tractor 1 are formed on the support plate 240.
  • a locking protrusion 136 of a mounting bracket 135, which will be described later, is inserted into the coupling groove 242 of the support plate 240, and the locking protrusion 136 and the support plate 240 are coupled in a crossed form.
  • both ends of the support plate 240 are formed as guide protrusions 241 protruding in an inclined outward state from the coupling groove 242, so that the holding protrusions inserted into the coupling grooves 242 of the support plate 240 ( 136) to induce rapid coupling.
  • the support plate 240 thus formed protrudes upwardly from the frame 210, so that when the locking protrusion 136 of the mounting box 130 is inserted into the coupling groove 242 of the support plate 240 and caught, it is in a solid holding state. will be able to maintain
  • the rotavator 100 detached from and attached to the quick attachment 200 of the tractor 1 is driven by receiving the power of the tractor 1 in the center, as shown in FIGS. 7 to 9
  • the gearbox 110 is integrally provided, and the rotor batter 100 is balanced on both left and right sides based on this gearbox 110.
  • a hollow mounting frame 113 is provided to protrude from the top of both sides of the gearbox 110, and the mounting frame 113 has a center back plate covering the main shaft 111 or the tilling shaft 190 ( 150) is provided, and side back plates 160 are coupled to both sides of the center back plate 150.
  • the side back plate 160 is provided to be in and out between the center back plate 150 and the mounting frame 113 and may be provided to expand the rotavator 100.
  • a central door 170 extending toward the ground is rotatably provided at the rear end of the center back plate 150 to cover the main shaft 111 or the tillage shaft 190, and also at the rear end of the side back plate 160.
  • a side door leaf 180 extending toward the ground is rotatably provided.
  • the side doors 180 may be provided to be accessible from both sides of the central door 170 so that the overall length of the door can be extended like the center deck 150 and the side deck 160 at the top.
  • the gearbox 110 above the mounting frame 113 is provided with a power transmission unit 120 connected to the power transmission unit 230 of the quick attachment 200 and receiving power of the tractor 1, As shown in FIG. 7 , the power transmission units 120 and 230 may be provided so that power transmission is achieved by coupling by dog clutches corresponding to each other.
  • the power transmission unit 120 is provided with an input shaft 121 protruding toward the quick attachment 200 of the tractor 1, and a dog clutch at the front end of the protruding input shaft 121 is provided to be fixed, and a first sprocket wheel 124 is connected to the rear end of the input shaft 121 to transmit power.
  • the first sprocket wheel 124 is connected to the second sprocket wheel 112 of the main shaft 111 to be described later via a chain 125 to transmit power.
  • the main shaft 111 is provided on both lower sides of the gearbox 110 to protrude to both sides of the gearbox 110, and the second sprocket wheel 112 is fixed to the main shaft 111. It is provided so that the second sprocket wheel 112 and the main shaft 111 are rotated simultaneously in the gearbox 110.
  • the power of the tractor 1 is input to the input shaft 121 through the power transmission units 120 and 230, and the input power is transmitted to the first sprocket wheel 124, chain 125 and the second sprocket wheel ( 112) is transmitted to the main shaft 111 and output.
  • each tillage shaft 190 on which tillage blades 191 are installed is provided in a state in which relative rotation is not possible, so that the tillage shafts 190 on both sides are rotated together with the main shaft 111, so that farmland will plow the
  • the main shaft 111 or the tilling shaft 190 or the main shaft 111 and the tilling shaft 190 provided as described above remove weeds from the soil to be plowed while being rotated like a shaft
  • a lug bar 116 is provided to prevent weeds from being wound around the shaft.
  • the lug bar 116 is provided in the axial direction between the shaft and the tiller blade 191 to remove weeds not removed by the tiller blade 191, thereby preventing weeds from being wound around the shaft in advance.
  • the lug bar 116 is illustrated as an example of being provided only to the main shaft 111 in FIG. 9 of this embodiment, it is preferable to be provided to the main shaft 111 as well as the tilling shaft 190.
  • the lug bar 116 when the lug bar 116 is provided on the main shaft 111, a bearing is provided between the gearbox 110 and the main shaft 111, and a tiller blade 191 on an inner ring rotating like the main shaft 111 among the bearings. ) is fixed, and the lug bar 116 may be provided to protrude in the axial direction on the tiller blade 191. It is preferable that the lug bar 116 provided in this way is provided toward the gearbox 110 to block weeds from being wound around the output end of the gearbox 110.
  • the lug bars 116 as described above are provided on both sides of the gear box 110, and the lug bars 116 on both sides of the gear box 110 are provided symmetrically by 180 degrees to each other. In this way, if the lug bars 116 on both sides of the gearbox 110 are provided symmetrically by 180 degrees, the balance can be maintained during rotation of the main shaft 111, and when the balance of the main shaft 111 is maintained, vibration and operation noise can be reduced.
  • the gear box 110 as described above is provided to be mounted on and detached from the quick attachment 200 by the mounting box 130, the mounting box 130 is hinged to the upper portion of the mounting frame 113 is provided.
  • Such a mounting box 130 is hinged to the front and rear hinge parts of the gearbox 110, respectively, and the front hinge part of the gearbox 110 is configured at the front end of the input shaft 121, and the gearbox 110
  • the rear hinge portion of is composed of the rear end of the mounting frame (113).
  • the front hinge of the gearbox 110 includes a hinge bushing 123 rotatably coupled to the front end of the input shaft 121 via a bearing 122, and the outer surface of the hinge bushing 123 will be described later.
  • the front hinge plate 131 of the mounting box 130 to be is inserted and hinged.
  • the rear hinge portion of the gearbox 110 includes a plurality of hinge plates 114 formed on the upper surface of the rear end of the mounting frame 113, and the hinge plate 114 has a pair of holes 114a forming a triangle It is provided to be spaced apart in the state. Between the plurality of hinge plates 114, a rear hinge plate 132 of the mounting box 130, which will be described later, is inserted and hinged.
  • the rotavator 100 is coupled and fixed to the quick attachment 200, and rolling is performed in which the left and right sides are rotated up and down based on the front and rear hinge parts of the mounting box 130 to be described later, and the rotor by rolling
  • the baiter 100 is always able to plow the farmland regardless of the smoothness of the farmland while remaining level.
  • the farmland below the gearbox 110 has uncultivated land W that is not cultivated as much as the width of the gearbox 110 as shown in FIG. will do
  • the lower surface of the gearbox 110 is provided with a plow protrusion 115 protruding downward as shown in FIGS. ) will be excavated.
  • the soil of the farmland is moved to the lower center of the rotavator 100, that is, the lower part of the gearbox 110, by the plowing operation of the tiller blades rotated on both sides of the gearbox 110.
  • This is accumulated, and the plow protrusion 115 disperses the accumulated soil and at the same time removes weeds from the uncultivated land (W).
  • the mounting box 130 is hingedly provided.
  • the mounting box 130 includes a cover portion 130a covering the upper surface of the gearbox 110, that is, the power transmission unit 120, and the quick attachment 200 of the tractor.
  • a “ ⁇ ” shaped extension 130b extending downward from one end of the adjacent cover 130a is included.
  • the cover portion 130a and the extension portion 130b have the upper hook 211 and the lower hook 221 of the quick attachment 200 hooked and coupled to the mounting pin 133 ) 134 is provided.
  • the upper mounting pin 133 is formed to be fixed to the upper surface of the cover part 130a, and the upper hook 211 of the quick attachment 200 is coupled, and the lower mounting pin 134 is both extension parts 130b ) Is formed to be fixed to the lower end of the quick attachment 200 of the lower hook 221 is coupled.
  • the upper hook 211 and the lower hook 221 coupled to the upper and lower mounting pins 133 and 134 are formed in a hook shape, and the openings of the upper and lower hooks 211 and 221 face each other.
  • the openings of the upper and lower hooks 211 and 221 face each other.
  • the upper mounting pin 133 is provided to connect between the plurality of mounting brackets 135 protruding upward from the upper surface of the mounting box 130, and the front of the mounting bracket 135 has a quick A locking protrusion 136 inserted into and coupled to the coupling groove 242 formed in the support plate 240 of the attachment 200 protrudes.
  • the protrusion 136 is inserted into the coupling groove 242 of the support plate 240 and is provided in a shape or form capable of being caught at the inner end of the coupling groove 242 .
  • front and rear hinge parts hinged to the front and rear hinge parts of the gearbox 110 are provided on the cover part 130a of the mounting box 130 .
  • the front hinge part of the mounting box 130 includes a front hinge plate 131 protruding downward from the front end of the lower surface of the cover part 130a, and the hinge bushing 123 of the input shaft 121 is included in the front hinge plate 131 Through-holes 131a through which this penetration is coupled are formed.
  • the hinge bushing 123 penetrated and coupled to the through hole 131a of the front hinge plate 131 is provided to rotate (rotate) in place in the front hinge plate 131 .
  • the front hinge plate 131 may be provided with a front coupling plate and a rear pipe, in which case the front coupling plate is coupled to the outer ring of the bearing interposed between the input shaft 121 and the hinge bushing 123. It may be, and the rear pipe portion may be fitted to the outer surface of the hinge bushing 123.
  • the rear hinge part of the mounting box 130 includes a rear hinge plate 132 protruding downward from the rear end of the lower surface of the cover part 130a, and the rear hinge plate 132 has one stop hole 132a and A plurality of long holes 132b are formed in a triangular shape.
  • the stop hole 132a is formed on the upper part of the rear hinge plate 132, and the plurality of long holes 132b are formed at the lower part of the rear hinge plate 132 to be spaced apart on the same line and vertically long.
  • the coupling pins are coupled to both long holes 132b of the rear hinge plate 132, respectively, and the coupling pins pass through the long holes 132b and the lower coupling hole formed as a regular hole in the hinge plate 114 of the gearbox 110 ( 114a) is provided to be through-coupled.
  • the gearbox 110 that is, the rotavator 100 is provided to be rolled up and down as much as the vertical length of the long hole 132b in the mounting box 130, and the rotavator 100 to be rolled will always remain horizontal to farmland. be able to
  • a coupling pin is selectively coupled to the stop hole 132a of the rear hinge plate 132.
  • the coupling pin is also penetrated into the upper coupling hole 114a formed as a regular hole in the hinge plate 114 of the gearbox 110 while passing through the stop hole 132a, thereby fixing the rotator 100 to the mounting box 130 This will block rolling. In this way, in a state in which rolling of the rotavator 100 is blocked, the tractor can be safely moved.
  • a plurality of shock absorbers 140 for buffering the rolling of the rotator 100 are provided on both sides, respectively.
  • the shock absorber 140 includes a cylinder body 140a to which hydraulic pressure acts therein, and a rod 140b provided to enter and exit from one end of the cylinder body 140a.
  • the lower end of the cylinder body 140a is hinged to the lower end of the extension part 130b of the mounting box 130, and the rod 140b coming in and out from the upper end of the cylinder body 140a has its front end (upper end) gearbox It is hinged to the mounting frame 113 of (110).
  • the cylinder body 140a is positioned lower and coupled to the lower end of the extension 130b of the mounting box 130, and the rod 140b is positioned upward and illustrated a structure coupled to the mounting frame 113 of the gearbox 110, which is a cylinder body ( 140a), and as damage to the rod 140b is prevented, malfunction of the shock absorber 140 can be prevented.
  • the rear surface of the extension part 130b of the mounting box 130 (the surface facing the rotator 100) blocks foreign matter bouncing toward the shock absorber 140 during plowing work by the rotator 100 to prevent foreign matter from A guard 141 protecting the shock absorber 140 is provided.
  • the guard 141 is not only formed of a plate having an area sufficient to cover the rear surface of the shock absorber 140, but may also be inclined to correspond to the inclination of the shock absorber 140. In this way, when the guard 141 is inclined to correspond to the shock absorber 140, the maximum area for covering the shock absorber 140 compared to the same area is secured, so the shock absorber 140 can be more safely protected.
  • the rotavator 100 of the central driving type according to the present invention as described above is connected to the quick attachment 200 at the rear of the tractor 1 in a state in which power transmission is possible.
  • connection between the quick attachment 200 and the rotavator 100 is performed using the three-point link of the tractor 1 in a state where the distance between the upper hook 211 and the lower hook 221 of the quick attachment 200 is widened
  • Both lower hooks 221 are coupled to the lower mounting pins 134 provided in the mounting box 130 of the rotavator 100 by rotating them from bottom to top.
  • the rotavator 100 is rotated counterclockwise in FIG. 7 by the pulling of the upper hook 211 As it rotates, it is pulled toward the quick attachment 200, and in this process, the locking protrusion 136 of the mounting box 130 is inserted into the coupling groove 242 formed in the support plate 240 of the quick attachment 200 to cross As they are combined in a form, shaking or flow is suppressed.
  • the rotavator 100 receives the power of the tractor 1 through the power transmission unit 120 coupled with the power transmission unit 230 of the tractor 1.
  • the transmitted power is input to the input shaft 121 of the power transmission unit 120 configured on the upper part of the gearbox 110, and the input power is the first sprocket wheel connected to the input shaft 121 ( 124) is transmitted to the second sprocket wheel 112, and the power transmitted to the second sprocket wheel 112 is output through main shafts 111 provided on both sides of the second sprocket wheel 112, respectively.
  • the gearbox 110 is provided in the center of the rotavator 100 as described above, it is operated in a state where both left and right sides are always kept horizontal around the gearbox 110, so that farmland can be plowed evenly. do.
  • the rotavator 100 is rolled up and down by the length of the long hole 132b in the mounting box 130, in which the gearbox 110 equipped therewith is attached and fixed to the quick attachment 200 of the tractor. Regardless of the smoothness of the farmland, it can always be cultivated in a state that is kept level with the farmland.
  • tractor 10 upper link
  • gearbox 111 main shaft
  • hinge plate 114a coupling hole
  • bearing 123 hinge bushing
  • extension 131 front hinge plate

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Zoology (AREA)
  • Agricultural Machines (AREA)
  • Soil Working Implements (AREA)

Abstract

La présente invention concerne une structure de montage d'une machine de travail agricole de type à entraînement central, la machine de travail agricole étant reliée à un coupleur rapide situé dans un tracteur agricole de manière à permettre une transmission de puissance, dans laquelle : une boîte de montage comprenant une broche de montage dans chacune de ses parties supérieure et inférieure est disposée dans la machine de travail agricole ; un arbre d'entrée, auquel la puissance est délivrée, est disposé dans une boîte d'engrenages couplée par charnière à la partie inférieure de la boîte de montage ; une bielle supérieure et une bielle inférieure, qui ont des crochets supérieur et inférieur respectivement couplés aux broches de montage supérieure et inférieure de la boîte de montage, sont disposées avec faculté de rotation dans le coupleur rapide ; un arbre de sortie, par l'intermédiaire duquel la puissance du tracteur est délivrée, est disposé entre les crochets supérieurs et les crochets inférieurs ; et lorsque le coupleur rapide et la machine de travail agricole sont reliées, l'arbre de sortie et l'arbre d'entrée sont couplés pour permettre une transmission de puissance.
PCT/KR2022/018968 2021-12-28 2022-11-28 Structure de montage de machine de travail agricole de type à entraînement central WO2023128315A1 (fr)

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KR1020210189856A KR102432991B1 (ko) 2021-12-28 2021-12-28 중앙 구동방식의 농업용 작업기 마운팅구조
KR10-2021-0189856 2021-12-28

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KR102432991B1 (ko) * 2021-12-28 2022-08-18 로보드림 주식회사 중앙 구동방식의 농업용 작업기 마운팅구조

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JP2007107296A (ja) * 2005-10-14 2007-04-26 Kobelco Contstruction Machinery Ltd 作業装置の取付部材及びこれを備えた作業機械
US20070098538A1 (en) * 2005-11-01 2007-05-03 Zettel Daniel M Mount apparatus and method for attaching three-point hitch implements to front arms of a front-end loader
US20090308623A1 (en) * 2008-06-17 2009-12-17 Koch Timothy G Blade Adjustment Apparatus
US20200270843A1 (en) * 2019-02-21 2020-08-27 Deere & Company Dozer Blade for Work Vehicle
KR102432991B1 (ko) * 2021-12-28 2022-08-18 로보드림 주식회사 중앙 구동방식의 농업용 작업기 마운팅구조

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