WO2022137816A1 - Récolteuse de canne à sucre - Google Patents

Récolteuse de canne à sucre Download PDF

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Publication number
WO2022137816A1
WO2022137816A1 PCT/JP2021/040412 JP2021040412W WO2022137816A1 WO 2022137816 A1 WO2022137816 A1 WO 2022137816A1 JP 2021040412 W JP2021040412 W JP 2021040412W WO 2022137816 A1 WO2022137816 A1 WO 2022137816A1
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WO
WIPO (PCT)
Prior art keywords
rotating body
side wall
shaft
state
cutting
Prior art date
Application number
PCT/JP2021/040412
Other languages
English (en)
Japanese (ja)
Inventor
川田康毅
岡本秀三
一二三慶城
吉田卓哉
守山千仁
森脇崇文
谷和樹
Original Assignee
株式会社クボタ
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
Priority claimed from JP2020215613A external-priority patent/JP7413245B2/ja
Priority claimed from JP2020215606A external-priority patent/JP2022101172A/ja
Priority claimed from JP2020215605A external-priority patent/JP7442435B2/ja
Priority claimed from JP2020215616A external-priority patent/JP7485595B2/ja
Application filed by 株式会社クボタ filed Critical 株式会社クボタ
Publication of WO2022137816A1 publication Critical patent/WO2022137816A1/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
    • 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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D45/00—Harvesting of standing crops
    • A01D45/10—Harvesting of standing crops of sugar cane
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D67/00—Undercarriages or frames specially adapted for harvesters or mowers; Mechanisms for adjusting the frame; Platforms

Definitions

  • the present invention relates to a sugar cane harvester that harvests sugar cane in a field.
  • Patent Document 1 As the sugarcane harvester, as disclosed in Patent Document 1, there is one provided with a cutting unit and a transport device. A cutting device is provided in the cutting section, and as the machine progresses, the root of the crop in the field is cut by the cutting device, and the crop is cut by the cutting section. The crops cut by the cutting section are transported toward the rear of the machine by the transport device.
  • the left and right drive shafts extend downward from the upper drive case, the left and right rotary blades are supported by the lower parts of the left and right drive shafts, and the rotary blades are rotationally driven by the drive shafts. It is configured. As the aircraft progresses, the root of the crop is introduced between the left and right rotary blades and cut.
  • some sugarcane harvesters are provided with a cutting section having left and right divider devices for separating crops to be harvested and crops to be left in the field.
  • the divider device is provided with an inner screw and an outer screw that are rotationally driven around an axis along the vertical direction, and the outer screw is arranged laterally and laterally with respect to the inner screw.
  • the inner screw and the outer screw are rotationally driven to separate the crop to be cut and the crop to be left in the field.
  • a cutting device is provided in the cutting section, and as the aircraft progresses, the roots of the crops in the field are cut by the cutting device, and the crops are cut.
  • the crops cut by the cutting unit are transported by the transport device, and the crops transported by the transport device are post-processed by the post-treatment device.
  • Patent Document 1 The technical issues corresponding to the background technique 1 are as follows.
  • the transport device is provided with rotatable upper and lower rotating bodies around an axis along the left-right direction, and the rotating bodies are arranged at intervals along the transport direction of crops. ..
  • the upper and lower rotating bodies are rotationally driven in opposite directions, so that the crop is transported while being sandwiched between the upper and lower rotating bodies.
  • An object of the present invention is to configure a sugar cane harvester so that maintenance work such as replacement of bearings supporting a rotating body of a transport device can be easily performed.
  • An object of the present invention is to configure a sugarcane harvester so that it can appropriately support a load such that a rotary blade is pushed backward by a crop as the machine progresses.
  • An object of the present invention is to configure a sugarcane harvester so that it can be easily transported on a truck bed and stored in a warehouse or the like.
  • the present invention is configured so that when a sugarcane harvester is provided with an elevating cylinder capable of changing the height of the machine body (cutting part and transport device), it can be adapted to a state where no work is performed. I am aiming.
  • the solution means corresponding to the problem 1 is as follows.
  • the sugar cane harvester of the present invention is provided with a cutting unit having a cutting device for cutting the bearings of the crops in the field, and a transporting device for transporting the crops cut by the cutting unit toward the rear of the machine.
  • the transport device includes left and right side walls, left and right bearing mechanisms supported by the side walls, and an upper rotating body rotatably supported around the left and right bearing mechanisms along the left and right directions. It has a lower rotating body that is rotatably supported around the shaft core along the left-right direction and is supported over the left and right bearing mechanisms, and the upper rotating body and the lower rotating body are opposite to each other.
  • the crop By being rotationally driven, the crop is configured to be conveyed while being sandwiched between the upper rotating body and the lower rotating body, and the bearing mechanism is attached to and detached from one of the rotating body and the side wall. It has a possibly attached shaft member, a holder detachably attached to the other of the rotating body and the side wall, and a bearing attached between the shaft member and the holder.
  • the bearing mechanism is removable to the outside of the side wall through the opening of the side wall.
  • one of the shaft member and the holder is removed from the side wall of the transport device, and the other of the shaft member and the holder is removed from the rotating body, whereby the shaft member, the holder and the bearing are transported by the transport device.
  • the bearing mechanism can be removed outward from the side wall of the transport device by pulling it outward through the opening of the side wall of the.
  • the bearing mechanism can be removed without removing the rotating body from the transport device and without significantly disassembling the peripheral portion of the side wall of the transport device, so that maintenance work such as replacement of bearings and shaft members can be performed. Can be easily performed outside the transport device.
  • the holder is detachably attached to the side wall and the shaft member is detachably attached to the rotating body.
  • the holder in the bearing mechanism, is attached to the side wall of the transport device, and the shaft member is attached to the rotating body.
  • the holder is removed from the side wall of the transport device, and the shaft member is removed from the rotating body, so that the bearing mechanism is reasonably removed from the side wall of the transport device.
  • a first spline portion provided on the shaft member and a second spline portion provided on the rotating body are provided, and the first spline portion is integrally rotatably attached to the second spline portion. It is preferable that the shaft member is attached to the rotating body and the first spline portion is removed from the second spline portion, so that the shaft member is removed from the rotating body.
  • the shaft member when the holder is attached to the side wall of the transport device and the shaft member is attached to the rotating body, the shaft member is provided with the first spline portion and the rotating body is provided with the second spline portion. ing.
  • the shaft member can be easily attached to the rotating body by inserting the first spline portion and the second spline portion, and the shaft member can be pulled out from the rotating body by the extraction by the first spline portion and the second spline portion. It can be easily removed.
  • the shaft member is connected to the lateral portion of the rotating body by a shaft connecting tool, so that the shaft member is attached to the rotating body and the connection of the shaft connecting tool is released. It is preferable that the shaft member is removed from the rotating body.
  • a shaft connecting tool for attaching the shaft member to the rotating body is provided.
  • the shaft member can be easily attached to the rotating body by connecting with the shaft connecting tool, and the shaft member can be easily removed from the rotating body by disconnecting the shaft connecting tool.
  • the opening is formed so that a gap is formed between the holder and the opening by changing the phase of the holder around the shaft member, and the opening is formed from the outside with respect to the opening. It is preferable that the shaft member can be connected to and disconnected from the rotating body through the gap.
  • the connecting portion (shaft connecting tool) between the shaft member and the rotating body is located inside the side wall of the transport device.
  • the holder can rotate around the shaft member via the bearing, so that the holder is slightly phase-changed around the shaft member. A gap is created between the holder and the opening on the side wall of the transfer device.
  • the shaft connecting tool makes it possible to easily connect and disconnect the shaft member and the rotating body by the shaft connecting tool by inserting the tool from the outside to the inside through the gap with respect to the opening of the side wall of the transport device.
  • the holder may be slightly phase-changed to close the gap after the shaft member and the rotating body are connected by the shaft connecting tool.
  • the bearing mechanism is provided with a drop-off preventing member that supports the rotating body in a state of being removed from the side wall and prevents the rotating body from falling off.
  • the bearing mechanism When the bearing mechanism is removed from the side wall of the transport device, there is no support for the rotating body, so that the rotating body may fall off downward. According to the present invention, even if the bearing mechanism is removed from the side wall of the transport device, the rotating body is supported by the falling-off prevention member, so that the rotating body is prevented from falling off.
  • the fall-off prevention member is a ring-shaped member attached to the side wall so as to be located on the outer peripheral side of the bearing mechanism, and is an inner circumference with respect to the lateral end portion of the outer peripheral portion of the rotating body. It is preferable that the bearing mechanism comes into contact with the lateral end portion of the outer peripheral portion of the rotating body from the inner peripheral side in a state where the bearing mechanism is removed from the side wall.
  • the ring-shaped dropout prevention member is attached to the side wall of the transport device and is on the inner peripheral side with respect to the lateral end portion of the outer peripheral portion of the rotating body. It's getting in.
  • the gap between the lateral end of the outer peripheral portion of the rotating body and the dropout prevention member to a small size, crop debris and the like can be moved from the lateral end of the outer peripheral portion of the rotating body to the inside of the rotating body. It is possible to prevent it from entering.
  • the solution means corresponding to the problem 2 is as follows.
  • the sugarcane harvester of the present invention has left and right side walls, and is provided with a cutting unit having a cutting device for cutting the root of crops in the field introduced between the left and right side walls as the machine progresses.
  • the cutting device includes a drive case arranged between the left and right side walls, left and right drive shafts extending downward from the right and left portions of the drive case, and lower portions of the left and right drive shafts. It has left and right rotary blades that are supported by the drive shaft and are rotationally driven by the drive shaft.
  • a horizontal frame configured to be cut and connected over the left and right side walls is provided, and the drive case is supported by the horizontal frame.
  • the drive case when a load such that the rotary blade is pushed backward by the crop as the machine advances is applied to the cutting device, the drive case may be displaced due to this load.
  • the cutting device has sufficient strength against the above-mentioned load. Supported by.
  • the horizontal frame is connected over the left and right side walls of the harvesting portion and is supported with sufficient strength, the cutting device is supported with sufficient strength against the above-mentioned load. It is advantageous.
  • the horizontal frame since the horizontal frame supports the drive case, the horizontal frame is arranged at a relatively high position in the cutting section. As a result, when the crops in the field are introduced between the left and right side walls of the cutting portion as the aircraft progresses, the horizontal frame is less likely to interfere with the introduction of the crops.
  • the right end portion of the drive case is connected to the right side wall
  • the left end portion of the drive case is connected to the left side wall
  • the front portion located in front of the drive shaft in the drive case is , It is preferable that it is placed and supported on the horizontal frame.
  • the right end of the drive case is connected to the right side wall of the cutting section, and the left end of the drive case is connected to the left side wall of the cutting section, so that the cutting device is supported with sufficient strength. If a load is applied to the cutting device such that the rotary blade is pushed backward by the crop as the machine advances, it is possible that the load causes the front part of the drive case to try to lower.
  • the front portion of the drive case located on the front side of the drive shaft is mounted and supported on the horizontal frame, the state in which the front portion of the drive case is about to be lowered is reasonably received by the horizontal frame. Is supported.
  • the front portion of the drive case located on the front side of the drive shaft is mounted and supported on the horizontal frame, so that the horizontal frame is located on the front portion of the drive case. It can be expected to function as a protector.
  • the right end portion of the drive case is co-tightened and connected to the connecting portion provided on the right side wall and the right end portion of the horizontal frame, and the left end portion of the drive case is provided on the left side wall. It is preferable that the connecting portion is co-tightened and connected to the left end portion of the horizontal frame.
  • the right end portion (left end portion) of the drive case is co-tightened and connected to the connecting portion of the right (left) side wall of the cutting portion and the right end portion (left end portion) of the horizontal frame, thereby cutting the cutting device. Is supported with sufficient strength.
  • the right support member that supports the load applied from the drive case to the connecting portion of the right side wall is connected to the right side wall and the connecting portion of the right side wall, and the driving is performed. It is preferable that the left support member that supports the load applied to the connecting portion of the left side wall from the case is connected to the left side wall and the connecting portion of the left side wall.
  • the load is cut so that the rotary blade is pushed backward by the crop as the aircraft progresses.
  • this load is also applied to the connecting portion of the side wall of the cutting portion via the drive case.
  • the sugarcane harvester of the present invention is provided with a cutting section having a left and right divider device for separating the crop to be harvested and the crop to be left in the field, and the divider device is an inner screw that is rotationally driven around an axis along the vertical direction. And an outer screw, and the outer screw is configured to be arranged laterally outward with respect to the inner screw, and in at least one of the left and right divider devices, the outer screw cuts a crop. It is possible to switch between a usage state in which the crop and the crop to be left in the field are separated from each other and a storage state in which the inner screw is closer to the inner screw than in the usage state when viewed from the front.
  • the outer screw in at least one of the left and right divider devices, is stored closer to the inner screw than in the used state with respect to the used state in which the outer screw is arranged laterally outward with respect to the inner screw. You can switch to the state.
  • the left-right width across the left and right divider devices can be suppressed, so that the sugar cane harvester can be easily carried on the truck bed, and the sugar cane harvester can be easily harvested. It becomes easier to store the machine in a warehouse or the like.
  • the lower portion of the outer screw is swingably supported around the axis along the front-rear direction, and the outer screw is swing-operated. Therefore, it is preferable that the state of use and the state of storage can be switched.
  • the outer screw in the divider device, can be switched between the used state and the retracted state by swinging the outer screw along the left-right direction with the lower part of the outer screw as a fulcrum.
  • the operation of switching between the used state and the retracted state of the screw can be easily performed.
  • the outer screw in both the left and right divider devices, can be switched between the used state and the retracted state, and the upper portion of the outer screw of the left and right divider devices in the used state is viewed from the front.
  • the left and right outermost parts of the airframe, and the upper part of the outer screw of the left and right divider devices in the retracted state is the left and right most lateral part of the airframe other than the upper part of the outer screw in front view. It is preferable that the cutting portion is closer to the left and right center than the outer portion.
  • the upper parts of the left and right outer screws are the left and right outermost parts of the aircraft when viewed from the front.
  • the left-right width over the left and right divider devices becomes large, and the function of separating the crops of the divider device is fully exhibited.
  • the left and right outer screws are switched to the retracted state in the left and right divider devices.
  • the left-right width over the left and right divider devices can be sufficiently suppressed.
  • the cutting portion is provided with a vertical frame extending along the vertical direction and a support frame that can be attached to and removed from the rear portion of the upper portion of the vertical frame and the rear portion of the upper portion of the outer screw. It is preferable that the outer screw is set to the used state by attaching the support frame, and can be switched to the retracted state by removing the support frame.
  • the outer screw is set to the used state and the outer screw is stabilized in the used state by attaching the support frame to the rear part of the upper part of the vertical frame and the rear part of the upper part of the outer screw. And be held.
  • the crop hits the inner screw and the outer screw from the front side of the divider device.
  • the support frame is attached to the rear part of the upper part of the vertical frame and the upper part of the outer screw, so that the crop can be entangled in the attachment part between the support frame and the vertical frame, or in the attachment part between the support frame and the outer screw. Since it is less likely to get entangled, it is advantageous in that the function of separating crops of the divider device is fully exerted.
  • the support frame When attaching and detaching the support frame, the support frame can be attached and detached from the rear side of the divider device, which is advantageous in terms of improving workability.
  • the inner screw is supported in an inclined posture in which the upper part of the inner screw is closer to the left and right center of the cutting portion than the lower part of the inner screw in front view.
  • the upper part of the inner screw is supported in an inclined posture closer to the left and right center of the cutting portion than the lower part of the inner screw in front view, so that the inner screw is supported as compared with the lower part of the crop. Since the upper part of the crop spread in the left-right direction is easily guided toward the center of the left and right of the cutting portion by the inner screw, the crop can be cut well by the cutting portion.
  • left and right lower support frames that support the lower parts of the left and right inner screws are provided in the lower right and lower left of the cutting portion, and the lower support frame is in an inclined state located laterally outward toward the front side. It is preferable that it is arranged.
  • the distance between the left and right lower support frames that support the lower part of the inner screw is wider toward the front side and narrower toward the rear side, so that the crops in the field are introduced into the cutting section. It is easy to guide the upper part of the crop toward the left and right center of the cutting section, so that the cutting section can cut the crop well.
  • the sugar cane harvester of the present invention has a cutting unit having a left and right traveling device for supporting the machine, a cutting device for cutting the root of a crop in a field, and a crop cut by the cutting part toward the rear of the machine.
  • a transport device connected to the rear of the transport device to perform post-treatment of the crops transported by the transport device, and an operation unit provided above the cutting section in the vertical direction. It is provided with an elevating cylinder which is arranged below the driving portion in a vertical posture and is connected to the machine body and the left and right traveling devices, and the elevating cylinder has a cylinder portion and a piston rod portion.
  • the heights of the cutting section and the transport device can be changed by lowering the machine body by contraction operation and raising the machine body by extension operation, and the cylinder portion in the piston rod portion.
  • a regulating member supported by the end portion of the piston rod portion so as to be swingable is provided over a non-regulated state that allows expansion and contraction of the cylinder, and the regulating member is the operating unit in the non-regulated state.
  • the restricting member when the sugar cane harvester is carried on a truck bed, or when the sugar cane harvester is stored in a warehouse or the like, the restricting member is operated in the regulated state. good.
  • the elevating cylinder gradually contracts and the aircraft tries to descend due to vibration during truck transportation or long-term storage in a warehouse, etc.
  • the regulatory member The contraction operation of the elevating cylinder is restricted, and the descent of the aircraft is stopped.
  • the regulating member when performing work, the regulating member is operated in an unregulated state, and the elevating cylinder is expanded and contracted to expand and contract the elevating cylinder, so that the machine body (cutting section and transport device) can be operated according to the field and working conditions. Change the height.
  • the unregulated regulated member is located below the driving unit, and the unregulated regulated member does not protrude significantly from the operating unit to the outside. As a result, the crops in the field are less likely to get entangled with the unregulated regulatory members, and the unregulated regulatory members are less likely to interfere with the work.
  • the elevating cylinder is provided so that the cylinder portion is on the lower side and the piston rod portion is on the upper side, and the restricting member is located above the cylinder portion in the non-regulated state and said. It is preferable that the piston rod portion is configured to extend laterally outward of the machine body and is provided with a holding member capable of holding and releasing the restricting member in the non-regulated state.
  • the elevating cylinder when the elevating cylinder is set in a posture along the vertical direction so that the cylinder portion is on the lower side and the piston rod portion is on the upper side, the regulating member supported by the piston rod portion of the elevating cylinder is provided. , Placed in a high position. This is advantageous in that field crops are less likely to get entangled with unregulated regulatory members.
  • the regulated member in the non-regulated state is located above the cylinder portion of the elevating cylinder and extends laterally outward from the piston rod portion of the elevating cylinder. This facilitates the operation of the regulated member in the non-regulated state and the regulated state while avoiding interference with the member in the vicinity of the regulated member.
  • the regulated member when the regulated member is operated in the non-regulated state while the work is being performed, the regulated member may be held in the non-regulated state by the holding member. This prevents the regulated member in the non-regulated state from being accidentally operated in the regulated state while the work is being performed.
  • the deck is provided so as to extend laterally outward from the driving unit, and the restricting member is arranged below the deck.
  • the deck may be provided to extend laterally outward from the driver's section.
  • the regulatory member is arranged below the deck, and the deck is located above the regulatory member, so that the crops in the field are entangled with the unregulated regulatory member. It is advantageous in terms of reducing the number of.
  • the step for getting on and off the driving unit is provided on the lateral side of the restricting member so as to overlap the restricting member in a side view.
  • the step when the step is provided, the step is provided on the lateral side of the regulating member in a state where the step overlaps with the regulating member in a side view, and the step exists on the lateral side of the regulating member. It is advantageous in that the crops in the field are less likely to be entangled with the unregulated regulatory members.
  • FIGS. 1 to 41 show sugarcane harvesters, in FIGS. 1 to 41, where F indicates the forward direction, B indicates the backward direction, U indicates the upward direction, and D indicates the downward direction. R indicates the right direction, and L indicates the left direction.
  • the left and right front wheels 1 which are traveling devices and the left and right rear wheels 2 which are traveling devices support the whole body of the sugar cane harvester.
  • the cutting section 3, the transport device 4 provided in the rearward tilting posture, the separation device 5 which is a post-processing device connected to the rear part of the transport device 4, and the separation device 5 are extended upward in the tilted posture.
  • An operation unit 7 and an engine 8 provided above the conveyor 6, the cutting unit 3, and the post-processing device are provided on the machine body.
  • the crop When the crop reaches the transport end of the transport device 4, the crop is shredded at the transport end of the transport device 4 and supplied to the separation device 5, and the shredded crop is downward inside the separation device 5. It falls to the front part of the conveyor 6 while passing through. Sorting wind is supplied to the crops inside the separating device 5, and the scraps are blown off and separated and discharged.
  • the crops that have fallen to the front of the conveyor 6 are conveyed upward and rearward by the conveyor 6, and are discharged from the discharge portion at the upper part of the rear of the conveyor 6 to the loading platform of a truck or other transport vehicle (not shown). Will be collected.
  • the cutting unit 3 is provided with a left and right divider device 10, a left and right weed body 11, a tilting device 12, a cutting device 13, and an upper cutting device 48.
  • the left and right support frames 49 along the vertical direction, the left and right side walls 9, 72, the left and right support frames 73 along the front-rear direction, and the left and right along the front-rear direction.
  • the left and right side walls 72 are connected to the support frames 49, 73, 74, 75, and the left and right side walls 72 are arranged parallel to the front-rear direction and the vertical direction.
  • the tilting device 12 and the cutting device 13 are supported between the left and right side walls 72.
  • the left and right upper support frames 82 are supported on the upper part of the support frame 75 so as to be vertically swingable around the axis P6 along the left-right direction, and the left and right lower support frames 83. Is supported at the lower part of the support frame 75 so as to be able to swing up and down around the axis P7 along the left-right direction.
  • the left and right vertical frames 84 are connected to the front portion of the upper support frame 82 and the front portion of the lower support frame 83, and are arranged so as to extend in the vertical direction.
  • the single-acting left and right hydraulic cylinders 92 are attached to the support frame 75, the chain 93 is connected to the hydraulic cylinder 92 and the lower support frame 83, and the upper support frame 82 is connected by the hydraulic cylinder 92 and the chain 93.
  • the positions of the lower support frame 83 and the vertical frame 84 in the vertical direction are determined.
  • the side wall 9 is connected to the upper support frame 82, the lower support frame 83 and the vertical frame 84, and the divider device 10 and the weed body 11 are supported by the vertical frame 84.
  • the left and right cursive scripts 11 and the left and right divider devices 10 separate the crops to be cut and the crops to be left in the field, and the crops to be cut.
  • the upper leaf portion of the crop is cut by the upper cutting device 48, and the crop to be cut is introduced between the left and right side walls 9.
  • the crop introduced between the left and right side walls 9 is cut forward by the cutting device 13 while being tilted forward by the tilting device 12, and is supplied from the crop root to the transport device 4.
  • the flat plate-shaped left and right grounding portions 85 are connected to each other over the lower portion of the vertical frame 84 and the lower portion of the side wall 9, and the support portion 85a is provided at the front portion of the grounding portion 85. Has been done.
  • the cursive script 11 is formed in an elongated flat plate shape.
  • the upper part of the rear part of the weed body 11 is supported by the connection pin 94 on the upper part of the support part 85a of the grounding portion 85 so as to be swingable up and down, and the lower part of the rear part of the weed body 11 is the lower part of the supporting part 85a of the grounding part 85.
  • the shear pin 95 breaks and the cursive script 11 can swing upward around the connection pin 94. Damage is prevented.
  • an inner screw 96 and an outer screw 97 are provided, and the inner screw 96 and the outer screw 97 are provided on the outer peripheral portion of an elongated cylindrical main body portion. , It is configured in the shape to which a spiral body is attached.
  • a bracket 84a is connected to the upper part of the vertical frame 84, and the inner screw 96 is rotatably supported around the axis P8 along the vertical direction over the bracket 84a of the vertical frame 84 and the ground contact portion 85.
  • the left and right lower support frames 83 are provided in the lower right and lower left of the cutting portion 3, and the lower portion of the inner screw 96 is supported by the lower support frame 83 via the vertical frame 84.
  • a hydraulic motor 98 that rotationally drives the inner screw 96 is provided on the bracket 84a of the vertical frame 84.
  • a cover 99 that covers the lower support portion of the inner screw 96 is provided on the ground contact portion 85, and a cover 101 that covers the hydraulic motor 98 is provided on the bracket 84a of the vertical frame 84.
  • the left and right support frames 102 are detachably bolted to the rear portion (rear surface portion) of the upper part of the vertical frame 84, and the support frame 102 extends diagonally forward to the right and diagonally forward to the left from the vertical frame 84.
  • Bracket 102a is detachably bolted to the front end of the support frame 102.
  • the outer screw 97 is rotatably supported around the axis P9 along the vertical direction over the bracket 102a of the support frame 102 and the lower portion of the vertical frame 84, and the outer screw 97 is the inner screw in front view. It is arranged on the lateral side with respect to 96.
  • the hydraulic motor 103 that rotationally drives the outer screw 97 is provided on the bracket 102a of the support frame 102, and the cover 104 that covers the hydraulic motor 103 is provided on the bracket 102a of the support frame 102.
  • the vertical frame 84 is the upper support frame 82 and as described in the above-mentioned (overall configuration of the cutting portion). It is supported so as to be movable up and down by the lower support frame 83, and the lower limit position of the vertical frame 84 is determined by the hydraulic cylinder 92 and the chain 93.
  • the weight of the vertical frame 84 and the divider device 10 causes the upper support frame 82 and the lower support frame 83 to swing downward, causing the vertical frame 84 and the divider device 10 and the like to swing downward. It descends to the lower limit position.
  • the hydraulic cylinder 92 By expanding and contracting the hydraulic cylinder 92, the lower limit position of the vertical frame 84 can be changed up and down.
  • the support arm 84b is connected to the lower part of the vertical frame 84 and extends laterally outward, and the support member 105 is attached to the support arm 84b of the vertical frame 84. It is supported so as to be swingable around the shaft core P10 along the front-rear direction.
  • the support member 105 has a substrate portion 105a, a support arm 105b, a holder 105c, a bearing 105d, and a ring portion 105e.
  • the support arm 05b is connected to the disk-shaped substrate portion 105a, and the support arm 105b is supported by the support arm 84b of the vertical frame 84 so as to be swingable around the axis P10.
  • the holder 105c is connected to the substrate portion 105a, and the bearing 105d is supported by the holder 105c.
  • the ring portion 105e having a flat plate formed in a ring shape is connected to the outer peripheral portion of the substrate portion 105a. ..
  • the bottom plate portion 97a is connected to the lower part of the outer screw 97, and the support shaft 97b is connected downward to the bottom plate portion 97a.
  • the support shaft 97b of the outer screw 97 is inserted into the bearing 105d of the support member 105 and is rotatably supported around the shaft core P9.
  • the lower end portion 97c of the outer screw 97 is close to the outer peripheral portion of the substrate portion 105a of the support member 105, and the ring portion 105e of the support member 105 is inserted into the inner peripheral side of the lower end portion 97c of the outer screw 97.
  • a disc-shaped lid member 107 is attached to the lower side of the bearing 105d of the support member 105, and a nut 106 for preventing disconnection is attached to the lower part of the support shaft 97b of the outer screw 97.
  • a cover 108 (see FIG. 4) that covers the support member 105 is provided at the bottom of the vertical frame 84.
  • the lower portion of the outer screw 97 is swingably supported around the axis P10 along the front-rear direction.
  • the bearing 105d of the support member 105 is arranged in a space surrounded by the substrate portion 105a and the lid member 107 of the support member 105, the lower end portion 97c of the outer screw 97, the ring portion 105e of the support member 105, and the bottom plate portion 97a of the outer screw 97. It is protected from the soil of the field and the scraps of crops.
  • the left and right upper support frames 82 and the left and right lower support frames 83 are arranged in an inclined state located laterally outward toward the front side.
  • the left and right inner screws 96 are supported in an inclined posture in which the upper part of the inner screw 96 is closer to the left and right center CL of the cutting portion 3 than the lower part of the inner screw 96 when viewed from the front.
  • the left and right outer screws 97 are supported in an inclined posture so that the upper part of the outer screw 97 is located laterally outward with respect to the lower part of the outer screw 97 in front view. Has been done.
  • the angle of the rearward inclination of the outer screw 97 is larger than the angle of the rearward inclination of the inner screw 96 (the outer screw 97 stands up more than the inner screw 96). ), The inner screw 96 and the outer screw 97 intersect.
  • the left and right side mirrors 7b of the driving unit 7 are provided, and the left and right guide frames 134 are provided on the lateral side of the machine along the front-rear direction. ing.
  • the upper portion of the outer screw 97 in the used state C1 is located laterally outside the side mirror 7b and the guide frame 134 of the driving unit 7 in front view, and the outer screw 97 in the used state C1 is located.
  • the upper part of is the left and right outermost part of the aircraft.
  • the outer screw 97 is swung around the axis P10 toward the inner screw 96, and the position of the upper part of the outer screw 97 is in front view, in use state C1 (FIG. 3).
  • the outer screw 97 is set to the retracted state C2 by setting the outer screw 97 closer to the inner screw 96 than the position of the upper part of the outer screw 97 in (see).
  • a fixing member such as a belt may be attached to the outer screw 97 to hold the outer screw 97 in the retracted state C2.
  • the upper part of the outer screw 97 of the left and right divider devices 10 in the stored state C2 is closer to the left and right center CL of the cutting portion 3 than the left and right guide frames 134 when viewed from the front.
  • the side mirror 7b or the guide frame 134 of the driving unit 7 is the left and right outermost parts of the body other than the upper part of the outer screw 97.
  • tilting device 12 (Configuration of tilting device in the cutting section) As shown in FIGS. 3, 15 and 16, two sets of tilting devices 12 are provided in the cutting section 3 over the left and right side walls 72.
  • the tilting device 12 is configured by radially attaching a plurality of tilting plates 12b having concave-convex ends formed on the outer peripheral portion of the cylindrical main body portion 12a, and extending over the left and right side walls 72. It is rotatably supported around the axis P1 along the left-right direction.
  • An opening 72a is opened in the left side wall 72, the left end portion of the rear tilting device 12 faces the opening 72a of the left side wall 72, and the gear 12c is located at the left end portion of the rear tilting device 12. It is connected.
  • a rotation speed sensor (not shown) attached to the outer frame (not shown) of the left side wall 72 faces the gear 12c of the rear tilting device 12, and the rear side tilting is performed by the rotation speed sensor. The rotation speed of the device 12 is detected.
  • the right bearing mechanism 115 A ring-shaped cover (not shown) similar to the cover 115d provided is provided on a bearing (not shown) that supports the main body 12a of the tilting device 12.
  • the cutting device 13 includes a drive case 15, left and right drive shafts 16, left and right rotary blades 14, and a hydraulic motor 20.
  • the drive case 15 has a lower main body portion 15a and an upper flat plate-shaped lid portion 15b, and the lid portion 15b is connected to the main body portion 15a by a bolt 113.
  • the left and right drive shafts 16 are supported by the right and left portions of the drive case 15 so as to be rotatable around the axis P2 along the vertical direction, and extend downward from the right and left portions of the drive case 15. It has been issued.
  • a plurality of scraping members 19 whose ends are formed in an uneven shape are attached to the drive shaft 16 along the vertical direction, and the flange portion 16b is connected to the lower end portion of the drive shaft 16.
  • a plurality of blade portions 18 are radially bolted to the lower surface portion of the disk member 17.
  • the disk member 17 is connected to the flange portion 16b of the drive shaft 16 by a shear bolt 109, and the rotary blade 14 is attached to the drive shaft 16.
  • a hydraulic motor 20 is connected to the upper surface of the drive case 15, and the drive gear 20a of the hydraulic motor 20 and the input gear 16a of the left drive shaft 16 mesh with each other inside the drive case 15.
  • a relay gear 21 is rotatably supported inside the drive case 15, and the relay gear 21 meshes with the drive gear 20a of the hydraulic motor 20, and the input gear 16a of the right drive shaft 16 meshes with the relay gear 21. is doing.
  • the power of the hydraulic motor 20 is transmitted to the input gear 16a of the right drive shaft 16 via the relay gear 21, is transmitted to the right drive shaft 16, and the right rotary blade 14 is counterclockwise in FIG. It is driven to rotate in the direction.
  • the left and right rotary blades 14 are rotationally driven in opposite directions by the common hydraulic motor 20.
  • the tilting device 12 acts on the upper part of the crop in which the crop is introduced between the left and right side walls 72, and the crop is tilted forward with respect to the machine body.
  • the root of the crop that has been knocked down by the tilting device 12 reaches the cutting device 13
  • the root of the crop is introduced between the left and right rotary blades 14 and cut by the left and right rotary blades 14.
  • the root of the cut crop is supplied to the transport device 4 by the rotation of the left and right rotary blades 14, and the crop is drawn into the transport device 4.
  • the flat plate-shaped left and right connecting portions 110 are connected to the left and right side walls 72 along the front-rear direction.
  • the channel-shaped right support member 111 in a side view is connected to the front portion of the upper surface portion of the right connecting portion 110 and the right side wall 72.
  • a channel-shaped left support member 111 in a side view is connected to the front portion of the upper surface portion of the left connecting portion 110 and the left side wall 72.
  • a horizontal frame 112 is provided.
  • the flat plate-shaped left and right flange portions 112b are connected to the right end portion and the left end portion of the square pipe-shaped main body portion 112a, and the flat plate-shaped left and right connecting portions 112c are connected to the main body portion 112a and the flange portion 112b. It is connected over.
  • the right flange portion 112b of the horizontal frame 112 is connected to the lower portion of the right side wall 72 with respect to the front portion of the right connecting portion 110, and the horizontal frame 112 is connected to the lower portion.
  • the left flange portion 112b is connected to a lower portion of the left side wall 72 with respect to the front portion of the left connecting portion 110, and the horizontal frame 112 is connected to the left and right side walls 72.
  • the right end portion of the drive case 15 is abutted against the lower surface portion of the right connecting portion 110, and the front portion of the right end portion of the drive case 15 is between the right connecting portion 110 and the right connecting portion 112c of the horizontal frame 112. It is inserted in.
  • the left end portion of the drive case 15 is abutted against the lower surface portion of the left connecting portion 110, and the front portion of the left portion of the drive case 15 is between the left connecting portion 110 and the left connecting portion 112c of the horizontal frame 112. It is inserted in.
  • a bolt 114 is inserted over the front portion of the right end portion of the drive case 15, the right connecting portion 112c of the horizontal frame 112, and the front portion of the right connecting portion 110, and the right end portion of the drive case 15
  • the right connecting portion 112c of the horizontal frame 112 and the right connecting portion 110 are jointly fastened and connected by bolts 114.
  • a bolt 114 is inserted over the front portion of the left end portion of the drive case 15, the left connecting portion 112c of the horizontal frame 112, and the front portion of the left connecting portion 110, and the left end portion of the drive case 15
  • the left connecting portion 112c of the horizontal frame 112 and the left connecting portion 110 are jointly fastened and connected by bolts 114.
  • the rear portion of the right end portion and the rear portion of the left end portion of the drive case 15 and the rear portion of the left and right connecting portions 110 are connected by bolts 114.
  • the right end portion of the drive case 15 is connected to the right side wall 72 of the cutting portion 3
  • the left end portion of the drive case 15 is connected to the left side wall 72 of the cutting portion 3.
  • the bolt 113 of the drive case 15 is on the upper surface of the main body 112a of the horizontal frame 112.
  • the drive case 15 is supported by the horizontal frame 112, and the front portion of the drive case 15 (the front portion located on the front side of the left and right drive shafts 16 in the drive case) is mounted and supported on the horizontal frame 112. (The drive case 15 is received from below).
  • the cutting device 13 is supported between the left and right side walls 72, and the drive shaft 16 (axis core P2) is set to the forward leaning posture in the side view (see FIGS. 15 and 16).
  • the rotary blade 14 is in a forward downward tilting posture.
  • the left and right side walls 22 are provided, and a plurality of frames 23 are connected over the upper and lower portions of the left and right side walls 22, and are connected to the lower parts of the left and right side walls 22.
  • the bottom plate 24 is connected to the bottom plate 24, and the side wall 22, the frame 23, and the bottom plate 24 form a box-shaped structure.
  • Each of the rotating body units 31 to 36 has upper rotating bodies 31a, 32a, 33a, 34a, 35a, 36a that can rotate around the axis P11, P21, P31, P41, P51, P61 along the left-right direction. It has lower rotating bodies 31b, 32b, 33b, 34b, 35b, 36b that can rotate around the shaft cores P12, P22, P32, P42, P52, P62 along the left-right direction, and has a rotating body unit 31.
  • ⁇ 36 are arranged at intervals along the transport direction of the crop.
  • the upper rotating bodies 31a to 36a are rotationally driven in the counterclockwise direction of FIG. 16, and the lower rotating bodies 31b to 36b are rotationally driven in the clockwise direction of FIG.
  • the rotating bodies 31b to 36b are rotationally driven in opposite directions to each other.
  • a plurality of scraping members 26 having concave and convex ends are radially connected to the outer peripheral portion of the cylindrical main body 25. ing.
  • the upper rotating body 36a and the lower rotating body 36b have a plurality of horizontally long shredding blades 27 on the outer peripheral portion of the cylindrical main body portion 25. They are connected in a radial pattern.
  • the crop When the crop reaches the transport end of the transport device 4, the crop is sandwiched between the upper rotating body 36a and the lower rotating body 36b, shredded by the shredding blade 27, and the upper part of the separating device 5. Is supplied to.
  • a swing support member 28 is provided for the rotating body units 31 to 35 to swingably support the upper rotating bodies 31a to 35a up and down.
  • flat plate-shaped left and right support plates 28b are connected to the right end portion and the left end portion of the support shaft 28a.
  • An arc-shaped first opening 28c and a pair of second openings 28d extending outward from the first opening 28c are opened in the support plate 28b.
  • the nut 28e is connected by welding to the inner surface of the support plate 28b adjacent to the second opening 28d.
  • the fall-off prevention member 28f which is a member in which the elongated plate member is formed in a ring shape, is connected to the inner surface of the support plate 28b so as to surround the first opening 28c, the second opening 28d, and the nut 28e.
  • the swing support member 28 swings vertically and horizontally around the axis P13, P23, P33, P43, and P53 along the left-right direction.
  • the support plate 28b of the rocking support member 28 is supported by the side wall 22 of the side wall 22 along the inner surface of the side wall 22.
  • the arcuate opening 22a is opened in the side wall 22 in a side view, and the support plate 28b of the swing support member 28 faces the opening 22a of the side wall 22.
  • the support plate 28b of the rocking support member 28 becomes a part of the side wall 22 of the transport device 4, and the first opening 28c and the second opening 28d of the rocking support member 28 become the transport device 4. It becomes the opening of the side wall 22 of.
  • the fall-off prevention member 28f of the swing support member 28 is attached to the side wall 22 of the transport device 4.
  • the right bearing mechanism 115 is supported by the right support plate 28b of the swing support member 28, and is supported by the right side wall 22.
  • the left bearing mechanism 116 is supported by the left support plate 28b of the rocking support member 28, and is supported by the left side wall 22.
  • the right portion of the upper rotating bodies 31a to 35a is supported by the right bearing mechanism 115 on the right support plate 28b of the rocking support member 28, and the left portion of the upper rotating bodies 31a to 35a. Is supported by the left support plate 28b of the swing support member 28 by the left bearing mechanism 116.
  • the upper rotating bodies 31a to 35a are rotatably supported around the shaft cores P11 to P51 via the left and right bearing mechanisms 115 and 116 by the left and right support plates 28b of the swing support member 28.
  • the left and right fall-prevention members 28f of the swing support member 28 are inserted into the inner peripheral side with respect to the left and right lateral ends of the outer peripheral portion of the main body 25 of the upper rotating bodies 31a to 35a (FIGS. 22, 23, 26).
  • the upper rotating bodies 31a to 35a are supported by the swinging support member 28 so as to be vertically swingable around the shaft cores P13 to P53, and can be approached and separated from the lower rotating bodies 31b to 35b. It is supported. Due to the weight of the upper rotating bodies 31a to 35a and the swing support member 28, the upper rotating bodies 31a to 35a approach the lower rotating bodies 31b to 35b.
  • the right bearing mechanism 115 includes a substrate member 115a, a holder 115b, two bearings 115c, a cover 115d, and shaft members 41 to 45.
  • the substrate member 115a has a flat plate shape and is connected to a cylindrical holder 115b.
  • the shaft members 41 to 45 are inserted into the holder 115b, the bearing 115c is attached between the shaft members 41 to 45 and the holder 115b, and the shaft members 41 to 45 are placed around the shaft cores P11 to P51 via the bearing 115c. It is rotatably supported by the substrate member 115a and the holder 115b.
  • a ring-shaped cover 115d that protects the inner bearing 115c is attached to the end of the holder 115b.
  • the sprockets 41a, 42a, 43a, 44a, 45a are connected to the outer ends of the shaft members 41 to 45, and the male first spline portions 41b, 42b, 43b, 44b, 45b are the inner ends of the shaft members 41 to 45. It is formed in the part.
  • the left and right side plates 25a which are lateral portions, are connected to the inside of the main body portions 25 of the upper rotating bodies 31a to 35a, and the boss portion 25b is connected to the right side plate 25a.
  • the female second spline portion 25c is formed on the inner surface of the boss portion 25b.
  • the first spline portions 41b to 45b of the shaft members 41 to 45 are inserted into the boss portions 25b (second spline portions 25c) of the upper rotating bodies 31a to 35a (main body portion 25), and the shaft members 41 to 45 are on the upper side. It is rotatably attached to the rotating bodies 31a to 35a of the above.
  • the substrate member 115a of the right bearing mechanism 115 is applied to the support plate 28b of the rocking support member 28 from the outside, and the bolt 117 is attached to the right side wall 22 from the outside to the substrate of the right bearing mechanism 115. Through the member 115a, it is fastened to the nut 28e of the swing support member 28, and the substrate member 115a and the holder 115b of the right bearing mechanism 115 are connected to the support plate 28b of the swing support member 28.
  • the shaft members 41 to 45 are attached to the upper rotating bodies 31a to 35a (main body portion 25), and the substrate member 115a and the holder 115b are attached to the right side wall 22 of the transport device 4. It will be in the attached state.
  • first spline portions 41b to 45b of the shaft members 41 to 45 are pulled out from the boss portions 25b (second spline portions 25c) of the upper rotating bodies 31a to 35a (main body portion 25), and the shaft.
  • Members 41 to 45 are removed from the upper rotating bodies 31a to 35a.
  • the right bearing mechanism 115 By removing the substrate member 115a and the holder 115b of the right bearing mechanism 115 outward from the support plate 28b of the rocking support member 28, the right bearing mechanism 115 is removed to the right outside of the right side wall 22. .. When the right bearing mechanism 115 is attached to the right side wall 22, the operation opposite to the above may be performed.
  • the fall prevention member 28f of the swing support member 28 enters the inner peripheral side with respect to the right lateral end portion of the outer peripheral portion of the main body portion 25 of the upper rotating bodies 31a to 35a, and is inserted from the holder 115b of the right bearing mechanism 115. Is also located on the outer peripheral side.
  • the falling off prevention member 28f of the swing support member 28 is on the inner peripheral side at the right lateral end portion of the outer peripheral portion of the main body portion 25 of the upper rotating bodies 31a to 35a.
  • the right portion of the upper rotating bodies 31a to 35a is supported by the falling prevention member 28f of the rocking support member 28 from the inner peripheral side and does not fall off.
  • the gap between the falling-prevention member 28f of the rocking support member 28 and the right lateral end portion of the outer peripheral portion of the main body 25 of the upper rotating bodies 31a to 35a may be set to be small. ..
  • the left bearing mechanism 116 includes a substrate member 116a, a holder 116b, a bearing 116c, a cover 116e, a shaft member 121, 122, 123, 124, 125 and a flange portion 116d. is doing.
  • the substrate member 116a has a flat plate shape and is connected to a cylindrical holder 116b.
  • the shaft members 121 to 125 are inserted into the holder 116b, the bearings 116c are attached between the shaft members 121 to 125 and the holder 116b, and the shaft members 121 to 125 are placed around the shaft cores P11 to P51 via the bearings 116c. It is rotatably supported by the substrate member 116a and the holder 116b.
  • a pair of flange portions 116d are connected to the inner end portions of the shaft members 121 to 125.
  • a ring-shaped cover 116e that protects the inside of the bearing 116c is attached to the end of the holder 116b.
  • the opening 25d is opened in the center of the left side plate 25a of the main body 25.
  • a nut 25e is connected by welding to a portion of the inner surface of the left side plate 25a of the main body 25 facing the second opening 28d (see FIG. 20) of the swing support member 28.
  • the flange portion 116d of the left bearing mechanism 116 is abutted from the outside to the left side plate 25a of the upper rotating bodies 31a to 35a (main body portion 25), and the shaft members 121 to 125 of the left bearing mechanism 116 are attached. It is in a state of being inserted into the opening 25d of the upper rotating bodies 31a to 35a (main body portion 25).
  • the left bearing mechanism 116 is connected to the support plate 28b of the rocking support member 28, and is connected to the left side wall 22 from the outside.
  • the bolt 118 which is a shaft connector, is fastened to the nuts 25e of the upper rotating bodies 31a to 35a (main body portion 25) from the outside with respect to the left side wall 22 through the flange portion 116d of the left bearing mechanism 116.
  • the flange portion 116d of the left bearing mechanism 116 is connected to the left side plate 25a of the upper rotating bodies 31a to 35a (main body portion 25).
  • the shaft members 121 to 125 are connected to the upper rotating bodies 31a to 35a, and the shaft members 121 to 125 are integrally rotatably attached to the upper rotating bodies 31a to 35a.
  • the board member 116a of the left bearing mechanism 116 is applied to the support plate 28b of the rocking support member 28 from the outside, and the bolt 117 is attached to the left side wall 22 from the outside to the board of the left bearing mechanism 116.
  • the substrate member 116a of the left bearing mechanism 116 is connected to the support plate 28b of the swing support member 28 by being fastened to the nut 28e of the swing support member 28 through the member 116a.
  • the shaft members 121 to 125 are attached to the upper rotating bodies 31a to 35a (main body portion 25), and the substrate member 116a and the holder 116b are attached to the left side wall 22. It becomes.
  • the second opening 28d of the swing support member 28 is exposed.
  • the second opening 28d of the swing support member 28 is a gap between the substrate member 116a of the left bearing mechanism 116 and the opening 22a of the left side wall 22.
  • the rocking support member 28 is formed on the inner surface of the left side plate 25a of the main body 25 of the upper rotating bodies 31a to 35a.
  • a nut 25e is provided at a portion facing the second opening 28d.
  • a tool such as a wrench is inserted from the outside with respect to the left side wall 22 through the opening 22a of the left side wall 22 and the second opening 28d of the swing support member 28, and the bolt 118 is inserted by the tool. Remove. As a result, the connection between the shaft members 121 to 125 and the upper rotating bodies 31a to 35a is released.
  • the left bearing mechanism 116 is pulled out toward the left while passing the flange portion 116d of the left bearing mechanism 116 through the second opening 28d of the swing support member 28.
  • the left bearing mechanism 116 is removed to the outside of the left side wall 22 to the left.
  • the operation opposite to the above may be performed.
  • the fall-off preventing member 28f of the swing support member 28 enters the inner peripheral side with respect to the left lateral end portion of the outer peripheral portion of the main body portion 25 of the upper rotating bodies 31a to 35a, and is inserted from the holder 116b of the left bearing mechanism 116. Is also located on the outer peripheral side.
  • the falling off prevention member 28f of the swing support member 28 is on the inner peripheral side at the left lateral end portion of the outer peripheral portion of the main body portion 25 of the upper rotating bodies 31a to 35a.
  • the left portion of the upper rotating bodies 31a to 35a is supported by the falling prevention member 28f of the rocking support member 28 from the inner peripheral side and does not fall off.
  • the gap between the falling-prevention member 28f of the rocking support member 28 and the left lateral end portion of the outer peripheral portion of the main body 25 of the upper rotating bodies 31a to 35a may be set to be small. ..
  • support members 119 for supporting the lower rotating bodies 31b to 35b are provided on the left and right side walls 22 with respect to the rotating body units 31 to 35.
  • a pair of second openings 119c extending from the arc-shaped first opening 119b and the first opening 119b are formed on the flat plate-shaped support plate 119a.
  • a nut 19d is connected by welding to an inner surface of the support plate 119a adjacent to the second opening 119c.
  • a fall-prevention member 119e which is a member in which an elongated plate member is formed in a ring shape, is connected to the inner surface of the support plate 119a so as to surround the first opening 119b, the second opening 119c, and the nut 119d.
  • the support member 119 is connected to the left and right side walls 22 so that the fall prevention member 119e of the support member 119 enters the left and right side walls 22 inward. ..
  • the support plate 119a of the support member 119 becomes a part of the side wall 22 of the transfer device 4, and the first opening 119b and the second opening 119c of the support member 119 become the side wall 22 of the transfer device 4. It becomes an opening.
  • the second opening 119c of the support member 119 becomes a gap (see (see (removal of the bearing mechanism on the left side of the upper rotating body in the transport device) and FIG. 25) described above).
  • the fall prevention member 119e of the support member 119 is attached to the side wall 22 of the transport device 4.
  • the right bearing mechanism 127 is supported by the right support member 119 and is supported by the right side wall 22 with respect to the front lower rotating body 31b.
  • the left bearing mechanism 128 is supported by the left support member 119 and is supported by the left side wall 22.
  • the right bearing mechanism 115 is supported by the right support member 119 and is supported by the right side wall 22 with respect to the lower rotating bodies 32b to 35b.
  • the left bearing mechanism 116 is supported by the left support member 119 and is supported by the left side wall 22.
  • the right portion of the lower rotating bodies 31b to 35b is supported by the right bearing members 115 and 127 on the right support member 119, and the left portion of the lower rotating bodies 31b to 35b is formed. It is supported by the left support member 119 by the left bearing mechanisms 116 and 128.
  • the lower rotating bodies 31b to 35b are rotatably supported around the shaft cores P12 to P52 via the left and right bearing mechanisms 115, 116, 127, 128 by the left and right support members 119.
  • the fall-off prevention member 119e of the left and right support members 119 has entered the inner peripheral side with respect to the left and right lateral ends of the outer peripheral portion of the main body portions 25 of the lower rotating bodies 31b to 35b.
  • the right bearing mechanism 127 for the lower rotating body 31b is the same as the right bearing mechanism 115 for the upper rotating bodies 31a to 35a (see FIGS. 22 and 23), and the substrate member 127a, It has a holder 127b, two bearings 127c, and a shaft member 51.
  • the right bearing mechanism 127 has seal members 127d provided at both ends of the holder 127b.
  • the substrate member 127a has a flat plate shape and is connected to a cylindrical holder 127b.
  • the shaft member 51 is inserted into the holder 127b, the bearing 127c is attached between the shaft member 51 and the holder 127b, and the shaft member 51 is rotatable around the shaft core P12 via the bearing 127c, so that the substrate member 127a and It is supported by the holder 127b.
  • the sprocket 51a is connected to the outer end of the shaft member 51, and the male first spline portion 51b is formed at the inner end of the shaft member 51.
  • a grease nipple 51c is provided at the outer end of the shaft member 51, and a passage 51d is provided in the shaft member 51 over the space between the two bearings 127c in the holder 127b and the grease nipple 51c. ..
  • the right bearing mechanism 115 for the lower rotating bodies 32b to 35b is the same substrate member 115a and holder 115b as the bearing mechanism 115 for the upper rotating bodies 31a to 35a (see FIGS. 22 and 23). It also has two bearings 115c, a cover 115d, and shaft members 52-55.
  • the sprockets 52a, 52b, 53a, 53b, 54a, 54b, 55a, 55b are connected to the outer ends of the shaft members 52 to 55, and the male first spline portions 52c, 53c, 54c, 55c are the shaft members 52 to. It is formed at the inner end of 55.
  • the left and right side plates 25a which are lateral parts, are connected to the inside of the main body 25 of the lower rotating bodies 31b to 35b.
  • the boss portion 25b is connected to the right side plate 25a, and the female second spline portion 25c is formed on the inner surface of the boss portion 25b.
  • FIGS. 27 and 28 The states shown in FIGS. 27 and 28 are the holders 127b of the right bearing mechanisms 127 and 115 in the transport device 4, similar to the right bearing mechanism 115 (see FIGS. 22 and 23) with respect to the upper rotating bodies 31a to 35a. , 115b and the shaft members 51 to 55 are inserted into the first opening 19b and the second opening 119c of the support member 119, and the right bearing mechanisms 127 and 115 are connected to the support plate 119a of the support member 119. There is, and it is in a state of being connected to the right side wall 22 from the outside.
  • the first spline portions 51b, 52c to 55c of the shaft members 51 to 55 are inserted into the boss portions 25b (second spline portions 25c) of the lower rotating bodies 31b to 35b (main body portion 25), and the shaft members 51 to 55 is integrally rotatably attached to the lower rotating bodies 31b to 35b.
  • the substrate members 127a, 115a of the right bearing mechanism 127, 115 are applied from the outside to the support plate 119a of the support member 119, and the bolt 117 is applied to the right side wall 22 from the outside, and the right bearing mechanism 127. , 115 are fastened to the nut 119d of the support member 119 through the substrate members 127a and 115a, and the substrate members 127a and 115a of the right bearing mechanism 127 and 115 are connected to the support plate 119a of the support member 119.
  • the fall-off prevention member 119e of the support member 119 enters the inner peripheral side with respect to the right lateral end portion of the outer peripheral portion of the main body portion 25 of the lower rotating bodies 31b to 35b, and the holder 127b of the right bearing mechanism 127, 115. , 115b is located on the outer peripheral side.
  • the difference between the right bearing mechanism 127 and the right bearing mechanism 115 is that the seal member 127d of the right bearing mechanism 127 is attached to the outer surface of the boss portion 25b of the lower rotating body 31b (main body portion 25). It has become.
  • the grease can be filled in the space inside the holder 127b of the right bearing mechanism 127 and the bearing 127c through the passage 51d from the grease nipple 51c of the shaft member 51.
  • the shaft members 51 to 55 are attached to the lower rotating body 31b (main body portion 25), and the substrate members 127a, 115a and the holders 127b, 115b are on the right side wall 22. It will be in the state of being attached to.
  • the left bearing mechanism 128 with respect to the lower rotating body 31b is the substrate member 128a, similarly to the left bearing mechanism 116 with respect to the upper rotating bodies 31a to 35a (see FIGS. 22 and 26). It has a holder 128b, one bearing 128c, a shaft member 121, and a flange portion 128d. In addition to this, the left bearing mechanism 128 has a seal member 128e, a lid member 128f and a grease nipple 128g.
  • the substrate member 128a has a flat plate shape and is connected to a cylindrical holder 128b.
  • the shaft member 121 is inserted into the holder 128b, the bearing 128c is attached between the shaft member 121 and the holder 128b, and the shaft member 121 is rotatable around the shaft core P12 via the bearing 128c, so that the substrate member 128a and It is supported by the holder 128b.
  • a pair of flange portions 128d are connected to the inner end portion of the shaft member 121.
  • a seal member 128e is provided in a portion between the bearing 128c and the flange portion 128d.
  • the lid member 128f is provided at the outer end portion of the holder 128b, and the grease nipple 128g is provided at a portion of the lid member 128f that is radially outwardly separated from the shaft core P12.
  • the left bearing mechanism 116 for the lower rotating bodies 32b to 35b is the same substrate member 116a as the left bearing mechanism 116 for the upper rotating bodies 31a to 35a (see FIGS. 22 and 26). It has a holder 116b, one bearing 116c, a flange portion 116d, a cover 116e, and has shaft members 122 to 125.
  • the opening 25d is opened in the center of the left side plate 25a of the main body 25 of the lower rotating bodies 31b to 35b.
  • a nut 25e is connected by welding to a portion of the inner surface of the left side plate 25a of the main body 25 facing the second opening 119c of the support member 119.
  • FIGS. 27 and 28 The states shown in FIGS. 27 and 28 are the holders 128b of the left bearing mechanisms 128 and 116 in the transport device 4, similar to the left bearing mechanism 116 (see FIGS. 22 and 24) with respect to the upper rotating bodies 31a to 35a. , 116b and the shaft members 121 to 125 are inserted into the first opening 119b and the second opening 119c of the support member 119.
  • the flange portions 128d, 116d of the left bearing mechanisms 128, 116 are abutted from the outside to the left side plate 25a of the lower rotating bodies 31b to 35b (main body portion 25), and the left bearing mechanisms 128, 116
  • the shaft members 121 to 125 are in a state of being inserted into the opening 25d of the lower rotating bodies 31b to 35b (main body portion 25).
  • the left bearing mechanisms 128 and 116 are connected to the support plate 119a of the support member 119, and are connected to the left side wall 22 from the outside.
  • the bolt 118 which is a shaft connector, passes through the flange portions 128d, 116d of the left bearing mechanisms 128, 116 from the outside with respect to the left side wall 22, and the nuts 25e of the lower rotating bodies 31b to 35b (main body portion 25).
  • the flange portions 128d and 116d of the left bearing mechanisms 128 and 116 are connected to the left side plate 25a of the lower rotating bodies 31b to 35b (main body portion 25).
  • the shaft members 121 to 125 are connected to the lower rotating bodies 31b to 35b, and the shaft members 121 to 125 are integrally rotatably attached to the lower rotating bodies 31b to 35b.
  • the substrate members 128a, 116a of the left bearing mechanism 128, 116 are abutted to the support plate 119a of the support member 119 from the outside, and the bolt 117 is attached to the left side wall 22 from the outside to the left bearing mechanism 128. , 116, through the substrate members 128a, 116a, are fastened to the nut 119d of the support member 119, and the substrate members 128a, 116a of the left bearing mechanism 128, 116 are connected to the support plate 119a of the support member 119.
  • the fall-off prevention member 119e of the support member 119 enters the inner peripheral side with respect to the left lateral end portion of the outer peripheral portion of the main body portion 25 of the lower rotating bodies 31b to 35b, and the holders 128b of the left bearing mechanisms 128 and 116b. , 116b is located on the outer peripheral side.
  • Grease can be filled from the grease nipple 128g of the left bearing mechanism 128 to the space inside the holder 128b of the left bearing mechanism 128 and the bearing 128c.
  • the shaft members 121 to 125 are attached to the lower rotating bodies 31b to 35b (main body portion 25), and the substrate members 128a, 116a and the holders 128b, 116b are on the left. It is in a state of being attached to the side wall 22.
  • the drive shaft 46 is connected to the upper rotating body 36a, and the upper rotating body 36a can be rotated around the axis P61 of the side wall 22 by the drive shaft 46. Is supported by.
  • the hydraulic motor 29 is connected to the left side wall 22, and the upper rotating body 36a is rotationally driven by the hydraulic motor 29.
  • the sprocket 46a and the first gear 46b are connected to the portion of the drive shaft 46 that protrudes outward from the right side wall 22.
  • the support shaft 37 is rotatably supported on the right side wall 22, the gear 37a of the support shaft 37 meshes with the first gear 46b of the drive shaft 46, and the large-diameter flywheel 38 is connected to the support shaft 37. Has been done.
  • the relay shafts 61, 62, 63, 64, and 65 are rotatably supported at the portions corresponding to the shaft cores P13, P23, P33, P43, and P53.
  • Support members 39 are connected via bearings (not shown) over the ends of the relay shafts 61 and 62.
  • Another support member 39 is connected via bearings (not shown) over the ends of the relay shafts 62, 63.
  • Another support member 39 is connected via a bearing (not shown) over the ends of the relay shafts 63, 64.
  • Another support member 39 is connected via bearings (not shown) over the ends of the relay shafts 64, 65.
  • the sprockets 61a and 61b are connected to the relay shaft 61.
  • Sprockets 62a, 62b, 62c, 63a, 63b, 63c, 64a, 64b, 64c, 65a, 65b, 65c are connected to each of the relay shafts 62 to 65.
  • the transmission chain 71 extends over the sprocket 61a of the relay shaft 61 and the sprocket 62a of the relay shaft 62, over the sprocket 62b of the relay shaft 62 and the sprocket 63b of the relay shaft 63, and the sprocket 63a of the relay shaft 63 and the relay shaft. It is attached to the sprocket 64a of the relay shaft 64, the sprocket 64b of the relay shaft 64 and the sprocket 65b of the relay shaft 65, and the sprocket 65a of the relay shaft 65 and the sprocket 46a of the drive shaft 46.
  • a tension roller 40 made of synthetic resin is provided for the transmission chain 71, and the tension of the transmission chain 71 is maintained.
  • a tension roller 40 is arranged in a portion close to 65a.
  • the transmission chain 91 extends over the sprocket 61b of the relay shaft 61 and the sprocket 41a of the shaft member 41, over the sprocket 62c of the relay shaft 62 and the sprocket 42a of the shaft member 42, and the sprocket 63c of the relay shaft 63 and the shaft member. It is attached to the sprocket 43a of the relay shaft 64, the sprocket 64c of the relay shaft 64, the sprocket 44a of the shaft member 44, and the sprocket 65c of the relay shaft 65 and the sprocket 45a of the shaft member 45.
  • the sprocket 56a and the second gear 56b are connected to the portion of the drive shaft 56 that protrudes outward from the right side wall 22.
  • the first gear 46b of the drive shaft 46 and the second gear 56b of the drive shaft 56 are in mesh with each other, and the first gear 46b of the drive shaft 46 and the second gear 56b of the drive shaft 56 are configured to have the same diameter. There is.
  • a sprocket 51a is connected to the shaft member 51.
  • Sprockets 52a, 52b, 53a, 53b, 54a, 54b, 55a, 55b are connected to each of the shaft members 52 to 55.
  • the transmission chain 81 extends over the sprocket 51a of the shaft member 51 and the sprocket 52a of the shaft member 52, over the sprocket 52b of the shaft member 52 and the sprocket 53b of the shaft member 53, and the sprocket 53a of the shaft member 53 and the shaft member. It is attached to the sprocket 54a of the shaft member 54, the sprocket 54b of the shaft member 54, the sprocket 55b of the shaft member 55, and the sprocket 55a of the shaft member 55 and the sprocket 56a of the drive shaft 56.
  • a tension roller 47 made of synthetic resin is provided for the transmission chain 81, and the tension of the transmission chain 81 is maintained.
  • the transmission chain 81 a portion of the shaft member 51 close to the sprocket 51a, a portion of the shaft member 52 close to the sprocket 52b, a portion of the shaft member 53 close to the sprocket 53a, a portion of the shaft member 54 close to the sprocket 54b, and a sprocket of the shaft member 55.
  • a tension roller 47 is arranged in a portion close to 55a.
  • the power of the upper rotating body 36a (drive shaft 46) is transmitted to the flywheel 38 via the first gear 46b of the drive shaft 46, and the flywheel 38 is in the opposite direction of the upper rotating body 36a (drive shaft 46). It is driven to rotate.
  • the gear 37a of the support shaft 37 is configured to have a smaller diameter than the first gear 46b of the drive shaft 46, and the flywheel 38 is rotationally driven at high speed.
  • the power of the upper rotating body 36a (drive shaft 46) is transmitted to the relay shaft 65 via the transmission chain 71, and is transmitted to the upper rotating body 35a (shaft member 45) via the transmission chain 91, and is transmitted to the upper rotating body 35a (shaft member 45).
  • the rotating body 35a (shaft member 45) is rotationally driven in the clockwise direction of FIG.
  • the power of the upper rotating body 35a (relay shaft 65) is transmitted to the relay shaft 64 via the transmission chain 71, and is transmitted to the upper rotating body 34a (shaft member 44) via the transmission chain 91, and is transmitted to the upper rotating body 34a (shaft member 44).
  • the rotating body 34a (shaft member 44) is rotationally driven in the clockwise direction of FIG.
  • the power of the upper rotating body 34a (relay shaft 64) is transmitted to the relay shaft 63 via the transmission chain 71, and is transmitted to the upper rotating body 33a (shaft member 43) via the transmission chain 91, and is transmitted to the upper rotating body 33a (shaft member 43).
  • the rotating body 33a (shaft member 43) is rotationally driven in the clockwise direction of FIG.
  • the power of the upper rotating body 33a (relay shaft 63) is transmitted to the relay shaft 62 via the transmission chain 71, and is transmitted to the upper rotating body 32a (shaft member 42) via the transmission chain 91, and is transmitted to the upper rotating body 32a (shaft member 42).
  • the rotating body 32a (shaft member 42) is rotationally driven in the clockwise direction of FIG.
  • the power of the upper rotating body 32a (relay shaft 62) is transmitted to the relay shaft 61 via the transmission chain 71, and is transmitted to the upper rotating body 31a (shaft member 41) via the transmission chain 91, and is transmitted to the upper rotating body 31a (shaft member 41).
  • the rotating body 31a (shaft member 41) is rotationally driven in the clockwise direction of FIG.
  • the power of the lower rotating body 36b (drive shaft 56) is transmitted to the lower rotating body 35b (shaft member 55) via the transmission chain 81, and the lower rotating body 35b (shaft member 55) is transferred to the lower rotating body 35b (shaft member 55). It is rotationally driven in the counterclockwise direction shown in FIG.
  • the power of the lower rotating body 35b (shaft member 55) is transmitted to the lower rotating body 34b (shaft member 54) via the transmission chain 81, and the lower rotating body 34b (shaft member 54) is transferred to the lower rotating body 34b (shaft member 54). It is rotationally driven in the counterclockwise direction of FIG.
  • the power of the lower rotating body 34b (shaft member 54) is transmitted to the lower rotating body 33b (shaft member 53) via the transmission chain 81, and the lower rotating body 33b (shaft member 53) is transferred to the lower rotating body 33b (shaft member 53). It is rotationally driven in the counterclockwise direction of FIG.
  • the power of the lower rotating body 33b (shaft member 53) is transmitted to the lower rotating body 32b (shaft member 52) via the transmission chain 81, and the lower rotating body 32b (shaft member 52) is transferred to the lower rotating body 32b (shaft member 52). It is rotationally driven in the counterclockwise direction of FIG.
  • the power of the lower rotating body 32b (shaft member 52) is transmitted to the lower rotating body 31b (shaft member 51) via the transmission chain 81, and the lower rotating body 31b (shaft member 51) is transferred to the lower rotating body 31b (shaft member 51). It is rotationally driven in the counterclockwise direction of FIG.
  • the first gear 46b of the drive shaft 46 of the upper rotating body 36a and the second gear 56b of the drive shaft 56 of the lower rotating body 36b are I'm biting.
  • the rotation of the upper rotating body 36a and the rotation of the lower rotating body 36b are synchronized, and the rotation of the upper rotating bodies 31a to 35a of the other rotating body units 31 to 35 and the lower rotating body are synchronized.
  • the rotations of 31b to 35b are synchronized.
  • the left and right rear wheels 2 are rotatably supported by the right and left ends of the rear axle case (not shown) connected to the airframe, and their positions are fixed with respect to the airframe. It is rotationally driven by the power of the engine 8.
  • the left and right front wheels 1 are supported by the airframe so as to be able to be raised and lowered and steered, and the power of the engine 8 is not transmitted to the front wheels 1.
  • the configuration of the support of the front wheel 1 will be described below.
  • the support frames 50 are connected along the left-right direction over the upper parts of the left and right support frames 49.
  • the left and right support arms 57 are supported on the lower part of the support frame 49 so as to be able to swing up and down around the axis P3 along the front-rear direction.
  • a single-acting left and right elevating cylinder 58 is provided, and the elevating cylinder 58 has a cylinder portion 58a and a piston rod portion 58b.
  • the lower portion of the cylinder portion 58a of the elevating cylinder 58 is rotatably supported by the support portion 57a at the end of the support arm 57 around the axis P4 along the vertical direction.
  • the bracket 59 is connected to the upper part of the support frame 49.
  • the end portion 58f of the piston rod portion 58b on the side opposite to the cylinder portion 58a is connected to the bracket 59 by a connecting pin 129 along the front-rear direction.
  • the front wheel 1 is rotatably supported by an axle portion 60 connected to the lower portion of the cylinder portion 58a of the elevating cylinder 58.
  • the elevating cylinder 58 is arranged below the driving unit 7 in a posture along the vertical direction, and is in a state of being connected to the machine body and the left and right front wheels 1.
  • the posture is set along the vertical direction with the cylinder portion 58a on the lower side and the piston rod portion 58b on the upper side.
  • a support frame 66 is provided along the left-right direction above the rear portion of the drive case 15 of the cutting device 13, and the left and right brackets 66a are connected to the support frame 66.
  • a reactive type left and right hydraulic cylinders 67 are provided, and the hydraulic cylinders 67 are swayably connected up and down around the axis P5 along the diagonal left and right direction of the bracket 66a of the support frame 66, and the elevating cylinders are raised and lowered.
  • the hydraulic cylinder 67 is connected to the knuckle arm 58c connected to the upper part of the cylinder portion 58a of the 58.
  • a channel-shaped groove 58d is formed in the knuckle arm 58c of the elevating cylinder 58.
  • a connection pin 120 having an oval-shaped detent portion 120a is provided.
  • the detent portion 120a of the connection pin 120 is fitted into the groove portion 58d of the elevating cylinder 58, and the connection pin 120 is attached to the knuckle arm 58c of the elevating cylinder 58 in a derotated state.
  • the hydraulic cylinder 67 is connected to the connection pin 120.
  • the left and right hydraulic cylinders 67 are provided with a control valve 68 for supplying and discharging hydraulic oil, and the control valve 68 is operated by a control handle 69 provided in the operation unit 7.
  • An oil passage 70 is connected to the oil chamber 67a on the piston side of the left and right hydraulic cylinders 67 and the control valve 68, and the oil chamber 67b on the bottom side of the right hydraulic cylinder 67 and the bottom of the left hydraulic cylinder 67.
  • An oil passage 80 is connected to the oil chamber 67b on the side.
  • the left and right elevating cylinders 58 are provided with an electromagnetically operated type control valve 86 for supplying and discharging hydraulic oil, and the control valve 86 is operated by a control device 100 provided on the machine body.
  • control valve 86 When the control valve 86 is operated to the ascending position 86U, hydraulic oil is supplied to the elevating cylinder 58, the elevating cylinder 58 is extended, and the front wheel 1 is operated to be lowered with respect to the machine body.
  • the control valve 86 When the control valve 86 is operated to the lowering position 86D, the hydraulic oil is discharged from the elevating cylinder 58, the elevating cylinder 58 is contracted, and the front wheel 1 is raised with respect to the airframe.
  • the control valve 86 When the control valve 86 is operated to the neutral position 86N, the supply and discharge of the hydraulic oil to the elevating cylinder 58 is cut off, and the elevating cylinder 58 is stopped.
  • the front wheel 1 is moved up and down with respect to the machine body by the elevating cylinder 58 being expanded and contracted.
  • the elevating cylinder 58 is expanded and contracted, so that the machine body (cutting portion 3 and the transport device 4) is elevated and retracted with respect to the front wheel 1 with the rear wheel 2 as a fulcrum. Therefore, the heights of the cutting unit 3 and the transport device 4 with respect to the front wheel 1 are changed.
  • the oil passage 87 is connected to the hydraulic motor 20, hydraulic oil is supplied to the hydraulic motor 20 through the oil passage 87, and the hydraulic motor 20 operates.
  • the oil passage 88 is connected to the hydraulic motor 20, and the hydraulic oil of the hydraulic motor 20 is discharged through the oil passage 88.
  • An oil passage 89 for bypass is connected over the oil passages 87 and 88, and a relief valve 90 is provided in the oil passage 89.
  • a load sensor 79 for detecting the hydraulic pressure of the oil passage 88 is provided, and the detection value A2 of the load sensor 79 is input to the control device 100.
  • a height sensor 77 for detecting the vertical angle of the support arm 57 (see FIG. 29) with respect to the support frame 49 is provided, and the detection value A1 of the height sensor 77 is input to the control device 100.
  • the vertical angle of the support arm 57 with respect to the support frame 49 is detected.
  • the height of the device 13 (rotary blade 14) is detected.
  • a dial-operated type reference height adjuster 76 capable of setting the reference height K1 (see (see (see (see (cutting height control) below)) is provided in the driving unit 7, and the signal of the reference height adjuster 76 is a control device. It is input to 100.
  • the reference height K1 can be arbitrarily set and changed by the operator by artificially operating the reference height adjuster 76.
  • a cutting height control operating tool 78 for operating and stopping the cutting height control described later is provided in the operating unit 7, and a signal of the cutting height control operating tool 78 is input to the control device 100.
  • the operator can set the operating state and the stopped state by artificially operating the cutting height control operating tool 78.
  • the control valve 86 is operated by the control device 100 based on the detected values A1 and A2 and the reference height K1, the elevating cylinder 58 is expanded and contracted, and the front wheels are expanded and contracted.
  • the heights of the cutting unit 3, the transport device 4, and the cutting device 13 (rotary blade 14) with respect to 1 (ground) are set.
  • the reference height K1 is set by the operation position of the reference height adjuster 76 (step S1), the height sensor 77 detects the height sensor 77 (step S2), and the height sensor 77 is detected.
  • the elevating cylinder 58 expands and contracts so that the value A1 becomes the reference height K1 (step S3).
  • step S4 When the cutting height control operating tool 78 is operated to the stop position (step S4), the process returns to step S1, and when the operator operates the reference height adjusting tool 76 to change the reference height K1 (step S4). S1), the elevating cylinder 58 expands and contracts so that the detected value A1 of the height sensor 77 becomes the changed reference height K1 (step S3).
  • the operator operates the reference height adjusting tool 76 to obtain the cutting unit 3, the transport device 4, and the cutting device 13 for the front wheel 1 (ground).
  • the height of (rotary blade 14) can be arbitrarily changed.
  • step S5 When the cutting height control operating tool 78 is operated to the operating position (step S4), detection by the load sensor 79 is performed (step S5).
  • the ascending side set value AU and the descending side set value AD which is lower than the ascending side set value AU, are set in advance in the control device 100 with respect to the detected value A2 of the load sensor 79.
  • the detection value A2 of the load sensor 79 is lower than the ascending side set value AU and higher than the descending side set value AD (step S6)
  • the elevating cylinder 58 is stopped (step S7).
  • step S6 When the detection value A2 of the load sensor 79 becomes higher than the ascending side set value AU (step S6), it is determined that the load applied to the cutting device 13 (hydraulic motor 20) has increased, and the elevating cylinder 58 is extended and operated. The cutting unit 3, the transport device 4, and the cutting device 13 (rotary blade 14) are lifted with respect to the front wheel 1 (ground) (step S8).
  • step S6 when the detection value A2 of the load sensor 79 decreases until it becomes lower than the ascending side set value AU (step S6), it is determined that the load applied to the cutting device 13 (hydraulic motor 20) has returned to an appropriate value.
  • the elevating cylinder 58 is stopped (step S7).
  • step S6 When the detected value A2 of the load sensor 79 becomes lower than the lowering side set value AD (step S6), it is determined that the load applied to the cutting device 13 (hydraulic motor 20) has become smaller, and the elevating cylinder 58 contracts and operates.
  • the cutting unit 3, the transport device 4, and the cutting device 13 (rotary blade 14) are lowered with respect to the front wheel 1 (ground) (step S11).
  • step S6 when the detected value A2 of the load sensor 79 rises until it becomes higher than the lowering side set value AD (step S6), it is determined that the load applied to the cutting device 13 (hydraulic motor 20) has returned to an appropriate value.
  • the elevating cylinder 58 is stopped (step S7).
  • the elevating cylinder 58 contracts in steps S6 and S11, the elevating cylinder 58 stops when the detected value A1 of the height sensor 77 reaches the reference height K1 (step S7). As a result, the contraction operation of the elevating cylinder 58 beyond the reference height K1 is prevented. In this case, the operator can change the reference height K1 by operating the reference height adjuster 76.
  • the left and right regulating members 126 are provided.
  • the regulating member 126 has an inner portion 126a, an outer portion 126b, a contact portion 126c, a pin 126d, and a connection hole 126e.
  • the flat plate-shaped outer portion 126b is connected to both sides of the channel-shaped inner portion 126a, and the U-shaped contact portion 126c is connected to the end portions of the inner portion 126a and the outer portion 126b.
  • a pin 126d is connected to an intermediate portion of the outer portion 126b, and a connection hole 126e is opened at an end portion of the outer portion 126b opposite to the contact portion 126c.
  • the connecting pin 129 is inserted into the connecting hole 126e of the regulating member 126 (outer portion 126b), and the regulating member 126 is supported by the connecting pin 129 so as to be swingable up and down. ing.
  • the regulating member 126 is supported by the end portion 58f of the piston rod portion 58b of the elevating cylinder 58 so as to be swingable up and down via the connecting pin 129.
  • the holding member 130 is fixed to the upper portion with respect to the regulating member 126.
  • the holding member 130 is formed of an elastically deformable leaf spring, has an engaging hole 130a opened at an end portion, and a handle portion 130b provided at the end portion.
  • the holding member 130 is slightly elastically deformed while holding the handle portion 130b of the holding member 130 to form the regulating member 126.
  • the pin 126d is inserted into the engagement hole 130a of the holding member 130. Thereby, the regulating member 126 can be held in the non-regulated state B1 by the holding member 130.
  • the regulating member 126 is located above the cylinder portion 58a of the elevating cylinder 58 and extends laterally outward from the piston rod portion 58b of the elevating cylinder 58.
  • the pin 126d is pulled out from the engagement hole 130a of the holding member 130 to the regulating member 126 while holding the handle portion 130b of the holding member 130 and elastically deforming the holding member 130.
  • the regulating member 126 is swung downward so that the contact portion 126c of the regulating member 126 is abutted against the end portion 58e on the piston rod portion 58b side of the cylinder portion 58a of the elevating cylinder 58.
  • the regulating member 126 is attached over the end portion 58f of the piston rod portion 58b of the elevating cylinder 58 and the end portion 58e of the cylinder portion 58a, and is in a regulated state B2 capable of regulating the contraction operation of the elevating cylinder 58.
  • left and right doors 7a for getting on and off are provided on the right and left portions of the driving unit 7 so as to be openable and closable around a fulcrum along the vertical direction of the front portion of the door 7a. ing. As shown in FIGS. 1, 2, and 3, left and right side mirrors 7b that can be retracted are provided on the upper right portion and the upper portion of the left portion of the driving unit 7. As shown in FIGS. Be prepared for.
  • the regulating member 126 in the non-regulated state B1 is arranged below the deck 131 and is located below the operating unit 7, and the regulating member 126 in the unregulated state B1 is located below. , Is arranged closer to the driving unit 7 than the outer lateral end of the deck 131.
  • the regulating member 126 in the regulated state B2 is arranged below the deck 131 and is located below the operating unit 7, and the regulating member 126 in the regulated state B2 is located below the deck. It is arranged closer to the driving unit 7 than the 131.
  • left and right steps 132 and 133 for getting on and off the driving unit 7 are provided below the deck 131.
  • the step 132 has a step frame 132a connected to the upper part of the front part of the driving unit 7 and the rear part of the deck 131, and a step portion 132b connected to the step frame 132a.
  • Step 133 is connected to a guide frame 134 provided along the front-rear direction on the lateral side of the machine body.
  • Step 132 is arranged laterally outward with respect to the regulating member 126 in front view.
  • the stepped portion 132b of the step 132 is arranged on the rear side with respect to the regulating member 126 in the side view, and the step frame 132a of the step 132 overlaps with the regulating member 126 in the regulated state B2 in the side view.
  • the restricting member 126 in the unregulated state B1 is arranged between the deck 131 and the step frame 132a of the step 132 in front view and side view.
  • a plurality of transmission chains 71, 81, 91 for transmitting power to the upper rotating bodies 31a to 36a and the lower rotating bodies 31b to 36b may be provided on the left side of the transport device 4.
  • the bearing mechanism 115 is provided on the left side wall 22 of the transfer device 4
  • the bearing mechanism 116 is provided on the right side wall 22 of the transfer device 4.
  • the bearing mechanisms 127 and 115 are provided on the left side wall 22 of the transfer device 4
  • the bearing mechanisms 128 and 116 are provided on the right side wall 22 of the transfer device 4.
  • Bearing mechanism 127 may be adopted in a plurality or all of the lower rotating bodies 31b to 35b.
  • the bearing mechanism 128 may be adopted in a plurality or all of the lower rotating bodies 31b to 35b.
  • the shaft members 121 to 125 are provided with the first spline portion (not shown), and the lower rotating bodies 31b to 35b (main body portion 25) are provided with the first spline portion.
  • a boss portion (not shown) having a second spline portion (not shown) is provided, and the first spline portion of the shaft members 121 to 125 is a boss of the lower rotating bodies 31b to 35b (main body portion 25). It may be configured to be inserted into a portion (second spline portion).
  • the shaft members 41 to 45 are detachably attached to the side wall 22 (support plate 28b of the rocking support member 28), and the holder 115b is attached to and detached from the upper rotating bodies 31a to 35a (main body portion 25). It may be attached if possible.
  • the shaft members 121 to 125 are detachably attached to the side wall 22 (support plate 28b of the swing support member 28) (support plate 119a of the support member 119), and the holder 116b is attached to the upper rotating body 31a. It may be detachably attached to ⁇ 35a (main body 25).
  • the shaft member 51 is detachably attached to the side wall 22 (support plate 119a of the support member 119), and the holder 127b is detachably attached to the lower rotating body 31b (main body portion 25). May be good.
  • the shaft member 121 is detachably attached to the side wall 22 (support plate 119a of the support member 119), and the holder 128b is detachably attached to the lower rotating body 31b (main body portion 25). May be good.
  • the first spline portions 41b to 45b of the shaft members 41 to 45 are formed in a female shape formed on the inner surface of the boss portion, and the upper rotating body 31a
  • the second spline portion 25c of ⁇ 35a may be configured in a male shape.
  • the first spline portions 51b, 52c to 55c of the shaft members 51 to 55 are formed in a female shape formed on the inner surface of the boss portion, and are formed on the lower side.
  • the second spline portion 25c of the rotating bodies 31b to 35b of the above may be configured in a male shape.
  • the fall-off prevention member 28f of the swing support member 28 is formed in a narrow plate shape or a pin shape instead of a ring shape, with respect to the upper portion of the lateral end portion of the upper rotating bodies 31a to 35a (main body portion 25). It may be arranged so as to enter the inner peripheral side, or may be arranged on the outer peripheral side with respect to the lower portion of the lateral end portion of the upper rotating bodies 31a to 35a (main body portion 25).
  • the fall-off prevention member 119e of the support member 119 is formed in a narrow plate shape or a pin shape instead of a ring shape, and is inside the upper portion of the lateral end portion of the lower rotating bodies 31b to 35b (main body portion 25). It may be arranged so as to enter the peripheral side, or may be arranged on the outer peripheral side with respect to the lower portion of the lateral end portion of the lower rotating bodies 31b to 35b (main body portion 25).
  • a nut (not shown) or a wing nut (not shown) may be used instead of the bolt 118.
  • the horizontal frame 112 is a portion above the rear portion of the right connecting portion 110 on the right side wall 72 and a left connecting portion 110 on the left side wall 72. It may be configured so as to be connected to the upper portion with respect to the rear portion.
  • the right support member 111 is connected to the rear portion of the lower surface portion of the right connecting portion 110 and the right side wall 72, and the left support member 111 is connected to the rear portion of the lower surface portion of the left connecting portion 110 and the left side wall. It may be configured so as to be connected to 72.
  • the right end portion and the left end portion of the drive case 15 are attached to the upper surface portions of the left and right connecting portions 110, and the rear portions of the right end portion and the left end portion of the drive case 15 are the left and right connecting portions 110 and the horizontal frame. It is inserted between 112.
  • Bolts 114 are inserted over the rear of the right and left ends of the drive case 15, the lateral frame 112, and the rear of the left and right connecting portions 110, and laterally to the right and left ends of the drive case 15.
  • the frame 112 and the left and right connecting portions 110 are jointly fastened and connected by bolts 114.
  • the front portion of the right end portion and the front portion of the left end portion of the drive case 15 and the front portion of the left and right connecting portions 110 are connected by bolts 114.
  • a horizontal frame 112 (see FIG. 13) to which the front portion of the drive case 15 is abutted from above and a horizontal frame 112 to which the rear portion of the drive case 15 is abutted from below (the first alternative embodiment of the invention described above). (See) and both may be provided.
  • the outer screw 97 of the right divider device 10 may be configured to be switchable between the used state C1 and the retracted state C2, and the outer screw 97 of the left divider device 10 may be fixed to the used state C1.
  • the outer screw 97 of the left divider device 10 may be configured to be switchable between the used state C1 and the stored state C2, and the outer screw 97 of the right divider device 10 may be fixed to the used state C1.
  • a bendable linkage (not shown) may be connected over the rear of the upper part of the vertical frame 84 and the rear part of the upper part of the outer screw 97.
  • the outer screw 97 is set to the used state C1 by fixing the link mechanism in the extended state, and the outer screw 97 is retracted by fixing the link mechanism in the bent state. It is set to the state C2.
  • the support frame 102 may be configured to be attached over the lateral outer portion of the upper portion of the vertical frame 84 and the inner and outer portions of the upper portion of the outer screw 97.
  • the above-mentioned link mechanism (second alternative embodiment of the invention) may be configured to be attached over the lateral outer portion of the upper part of the vertical frame 84 and the inner / outer portion of the upper part of the outer screw 97.
  • the outer screw 97 may be configured to be switched to the retracted state C2 by moving in parallel toward the inner screw 96 while maintaining the tilted posture of the used state C1 in the front view. ..
  • the guide frame 134 becomes the left and right outermost part of the body other than the upper part of the outer screw 97, and the side mirror 7b of the driving unit 7 is stored.
  • the lateral outer end of the side mirror 7b of the driving unit 7 is configured to be the left and right outermost portion of the aircraft other than the upper part of the outer screw 97. May be good.
  • the lateral outer end portion of the deck 131 may be configured to be the left and right outermost portions of the portion other than the upper portion of the outer screw 97 in the airframe.
  • the elevating cylinder 58 may be set in a posture along the vertical direction so that the cylinder portion 58a is on the upper side and the piston rod portion 58b is on the lower side.
  • the regulating member 126 is swingably supported by the end portion 58f of the piston rod portion 58b of the elevating cylinder 58 around the axis along the left-right direction, and is separated from the piston rod portion 58b of the elevating cylinder 58 forward or backward. It may be configured to be operated in the unregulated state B1.
  • the step portion 132b of the step 132 may be configured to overlap the regulating member 126 in the regulated state B2 in a side view.
  • the step portion 132b of the step 132 is configured to overlap the regulating member 126 in the non-regulated state B1 and the regulated state B2 in a side view. You may.
  • crawler-type left and right traveling devices (not shown) may be adopted.
  • the front part of the machine body may be configured to be raised and lowered with respect to the traveling device with the rear part of the machine body as a fulcrum, and the machine body (cutting unit 3) may be operated with respect to the traveling device.
  • the whole of the unit 3 and the transport device 4) may be configured to be raised and lowered in parallel.
  • a single elevating cylinder 58 and left and right traveling devices are connected via a link mechanism (not shown), and the machine body (cutting unit 3 and transport device 4) is elevated by the single elevating cylinder 58. It may be configured as follows.
  • the present invention can be applied to a sugar cane harvester.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Harvesting Machines For Specific Crops (AREA)

Abstract

Dans la récolteuse de canne à sucre selon la présente invention, un dispositif de support comprend : une paroi latérale (22) ; un mécanisme de palier qui est supporté par la paroi latérale (22) ; et un corps rotatif (31a) qui est supporté sur le mécanisme de palier (115) de manière à pouvoir tourner autour d'un axe s'étendant dans les directions droite-gauche. Le mécanisme de palier (115) comprend : un élément formant arbre (41) qui est fixé amovible à un élément parmi le corps rotatif (31a) et la paroi latérale (22) ; un support (115b) qui est fixé amovible à l'autre élément parmi le corps rotatif (31a) et la paroi latérale (22) ; et des paliers (115c) qui sont montés entre l'élément formant arbre (41) et le support (115b). Le mécanisme de palier (115) est conçu pour pouvoir être détaché vers l'extérieur de la paroi latérale (22) par des ouvertures (22a, 28c) formées dans la paroi latérale (22).
PCT/JP2021/040412 2020-12-24 2021-11-02 Récolteuse de canne à sucre WO2022137816A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2020-215613 2020-12-24
JP2020-215616 2020-12-24
JP2020-215606 2020-12-24
JP2020215613A JP7413245B2 (ja) 2020-12-24 2020-12-24 サトウキビ収穫機
JP2020215606A JP2022101172A (ja) 2020-12-24 2020-12-24 サトウキビ収穫機
JP2020-215605 2020-12-24
JP2020215605A JP7442435B2 (ja) 2020-12-24 2020-12-24 サトウキビ収穫機
JP2020215616A JP7485595B2 (ja) 2020-12-24 2020-12-24 サトウキビ収穫機

Publications (1)

Publication Number Publication Date
WO2022137816A1 true WO2022137816A1 (fr) 2022-06-30

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Country Link
WO (1) WO2022137816A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62278915A (ja) * 1986-05-24 1987-12-03 バ−サタイル　トフト　リミテツド 収穫機組体
JP3725529B2 (ja) * 2003-06-26 2005-12-14 文明農機株式会社 さとうきび収穫機の油圧駆動装置
WO2018037543A1 (fr) * 2016-08-25 2018-03-01 株式会社クボタ Récolteuse de canne à sucre

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62278915A (ja) * 1986-05-24 1987-12-03 バ−サタイル　トフト　リミテツド 収穫機組体
JP3725529B2 (ja) * 2003-06-26 2005-12-14 文明農機株式会社 さとうきび収穫機の油圧駆動装置
WO2018037543A1 (fr) * 2016-08-25 2018-03-01 株式会社クボタ Récolteuse de canne à sucre

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