JP2005151933A - Sulky rice transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sulky rice transplanter enabling easy housing of a seedling scooping plate in a seedling scooping plate holder on the vehicle and the take-out of the seedling scooping plate from the seedling scooping plate holder out of the vehicle. <P>SOLUTION: The seedling scooping plate holder 40 is placed in front of an operator's seat. The seedling scooping plate holder 40 is attached in a manner freely changeable between a backward attaching posture to direct an inlet port 44 of the seedling scooping plate to the back of the vehicle and a forward attaching posture to direct the inlet port 44 of the seedling scooping plate to the front side of the vehicle. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a riding type rice transplanter in which a seedling planting device is connected to a rear portion of a self-propelled vehicle body and a preliminary seedling platform device is provided in front of a driver seat of the self-propelled vehicle body.

  In the rice transplanter, if the preliminary seedling is placed on the seedling scooping plate and accommodated in the preliminary seedling platform device, the preliminary seedling can be easily put in and out of the preliminary seedling platform device. In this case, when the seedling rake plate that is no longer needed can be stored together when the spare seedling is taken out from the preliminary seedling platform and replenished to the seedling planting device, the spare seedling is stored in the preliminary seedling platform. When loading, it is advantageous that the seedling scoop plate can be taken out from the vehicle body side.

  Conventionally, in this type of riding type rice transplanter, as shown in Patent Document 1, for example, a placement for placing a seedling scooping plate on the side of the spare seedling placement unit 12 (corresponding to a spare seedling placement platform device) There was one provided with a frame 17 (corresponding to a seedling scoop plate holder).

JP-A-11-266634 (column [0015], FIGS. 1-4)

  In this type of rice transplanter, the car body is parked near the heel so that the front end of the car body is close to the ridge, and the seedling loading operation is performed so that the seedling can be easily loaded onto the spare seedling platform device from the heel. Is done. In the case of the above-mentioned conventional seedling scoop plate holder, the seedling scoop plate holder is fixed in a posture in which the seed scoop plate loading / unloading opening is directed toward the rear of the vehicle body. When doing so, the seed rake plate must be transferred from the vehicle body side to the heel side by removing the seed rake plate from the seed rake plate holder and supporting the seed rake plate and moving it from the vehicle body to the heel. There was room for improvement.

  The objective of this invention is providing the riding type rice transplanter which can be easily taken out from the vehicle body side to the heel side, while the seedling rake plate can be easily accommodated in the seedling rake plate holder on the vehicle body.

In the first aspect of the invention, in the riding type rice transplanter in which a seedling planting device is connected to the rear portion of the self-propelled vehicle body and a spare seedling platform device is provided in front of the driver seat of the self-propelled vehicle body,
In front of the driver's seat of the self-propelled vehicle body, a seedling plate holder is attached in a backward-facing posture with a seedling plate loading / unloading port facing the rear of the vehicle body, and a forward-mounting posture in which the seedling scooping plate loading / unloading port is directed forward of the vehicle body. The position can be freely changed.

  That is, when the posture of the seed rake plate holder is changed to the backward mounting posture, the seed rake plate loading / unloading port of the seed rake plate holder is directed to the rear of the vehicle body in front of the driver seat, and when the posture of the seed rake plate holder is changed to the forward mounting posture, Since the seedling rake board loading / unloading opening of the seedling rake board holder faces the front of the vehicle body in front of the driver's seat, the seedling rake board loading / unloading of the seedling rake board holder in the rearward mounting position is used to store the seedling rake board on the vehicle body. By inserting the seedling scooping plate into the mouth from the rear side of the vehicle body, the seedling scooping plate can be stored in the seedling scooping plate holder. Pull out the seedling scooping plate from the seedling scooping plate loading / unloading port of the seedling scooping plate holder to the front side of the vehicle body. Can be taken out from the seedling rake plate holder is storage place in ridge side.

  Therefore, according to the first aspect of the invention, on the vehicle body, by setting the seedling rake plate holder in the backward-facing posture, it is easy to operate simply by inserting the seedling rake plate into the seedling rake plate holder from the rear side of the vehicle body. When loading the spare seedlings, the seedling scoop plate holder is placed in a forward-facing orientation so that it can be easily and quickly operated simply by pulling the seedling scoop plate out of the seedling scoop plate holder. Even when working alone by taking it out to the side, it can be loaded efficiently.

  According to the second aspect of the invention, in the configuration of the first aspect of the invention, the height of the seed rake plate holder in the forward mounting posture is set to be lower than the height of the rear vehicle mounting in the backward mounting posture. It is.

  In other words, when the seedling scoop plate is at the same height as the car body, regardless of whether the seedling scoop plate holder is in the forward mounting orientation or the rearward mounting orientation, the seedling scooping is performed when storing the seedling scooping plate on the vehicle body and from the heel. On the one hand when taking out the board, the seedling rake plate holder is positioned at an appropriate height to the vehicle body, making it easier to store or take out the seedling rake plate holder. The arrangement height becomes low and it becomes difficult to store the seed rake board on the vehicle body, or the ground height of the seed rake board holder becomes high and it becomes difficult to take out the seed rake board from the basket. On the other hand, in the second invention, since the height of the seedling rake plate holder in the forward mounting posture is set lower than the height of the seedling rake plate holder in the backward mounting posture, Whether the rake plate holder is removed from the heel in the forward-facing orientation or when the seed rake plate holder is placed in the backward-facing orientation and the seed rake plate is stored on the vehicle body, the It is possible to make it easy to perform the storing operation and the extracting operation of the seedling scooping plate positioned at the sheath-to-vehicle height.

  Therefore, according to the second aspect of the present invention, not only when the seed rake plate is stored on the vehicle body but also when the seed rake plate is taken out of the bag, not only the mounting posture of the seed rake plate holder but also the arrangement height The seedling scoop plate can be easily stored and taken out from the surface.

  According to the third aspect of the present invention, in the configuration of the first or second aspect of the present invention, the preliminary seedling stage portion of the preliminary seedling stage device is configured to be movable in a position changeable manner in the longitudinal direction of the vehicle body.

  In other words, when performing the planting work, by placing the spare seedling platform on the rear side of the vehicle body, it is possible to bring the preliminary seedling platform to the driver's seat as much as possible so that the preliminary seedling can be easily taken out. Yes, when the preliminary seedling loading operation is performed, the preliminary seedling mounting base is positioned on the front side of the vehicle body so that the preliminary seedling mounting base is placed as close as possible to the basket so that the preliminary seedling can be easily loaded. be able to.

  Therefore, according to the third aspect of the invention, when performing the loading operation of the spare seedlings, the spare seedling platform is brought close to the heel as much as possible, and the ability to perform from the surface of the spare seedling storage in addition to the surface for taking out the seedling rake plate Work can be done. In addition, when carrying out the work of replenishing seedlings to the seedling planting device, the spare seedling platform is brought close to the driver's seat as much as possible, and in addition to storing the seedling scooping plate that is no longer needed, it is also capable of taking out the preliminary seedlings. Can work well.

  According to the fourth aspect of the present invention, in the configuration of the third aspect of the present invention, the posture of the seedling rake plate holder is changed to the forward mounting posture by an operation of changing the position of the preliminary seedling placing base portion toward the front side of the vehicle body. The preliminary seedling platform and the seedling plate holder are interlocked so that the position of the seedling plate holder is changed to the rearward mounting posture by changing the position of the seedling platform to the rear side of the vehicle body.

  That is, the position of the seedling rake plate holder is changed to the forward mounting posture by the operation of changing the position of the preliminary seedling platform to the front side of the vehicle body, and the position of the seedling rake plate holder is changed by the operation of changing the position of the preliminary seedling platform to the rear side of the vehicle body. Since the posture is changed to the backward mounting posture, it is possible to change the position of the spare seedling platform to the front side of the vehicle body and the posture change to the forward mounting posture of the seedling rake plate holder at once. It is possible to change the position of the mounting part to the rear side of the vehicle body and change the posture to the rearward mounting posture of the seedling scoop plate holder at once.

  Therefore, according to the fourth aspect of the present invention, the position of the spare seedling platform is changed to the rear side of the vehicle body, and the seedling scoop plate holder is changed to the rearward mounting posture, so that seedling replenishment to the seedling planting device becomes unnecessary. Place the seedling scooping plate in an advantageous manner while planting it, or changing the position of the spare seedling platform to the front side of the car body and changing the posture of the seedling scooping plate holder to the forward mounting position. In order to carry out seedling loading work while advantageously taking out the seedlings to the side and storing the seedlings in the spare seedling platform, change the position of the preliminary seedling platform and the posture of the seedling scoop plate holder at once. This is advantageous from the aspect of the change operation.

  According to the fifth aspect of the present invention, in the configuration of the third or fourth aspect of the present invention, the spare seedling stage is swingably connected to a support column that can swing up and down in the longitudinal direction of the vehicle body. It is configured to change its position in the front-rear direction, and is configured to change its posture by attaching the seedling scoop plate holder over the strut and the preliminary seedling platform.

  In other words, when the support column swings, the spare seedling platform portion swings with respect to the support column and changes its position in the longitudinal direction of the vehicle body. Due to the relative rotation of the support post and the spare seedling stage in accordance with the change in the position of the preliminary seedling stage, the seedling scoop plate holder is changed in posture between the forward mounting position and the backward mounting position.

  Therefore, according to the fifth aspect of the present invention, the means for changing the position of the preliminary seedling platform is changed in the mounting posture of the seedling scoop plate holder, and the preliminary seedling platform and the seedling scoop plate holder are interlocked. Therefore, it can be advantageously used in terms of structure and economy.

Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIG. 1, a pair of left and right steering wheels 1 and a pair of left and right rear wheels 2 are driven by a driving force from an engine 4 located in a prime mover 3 so as to be self-propelled. In addition, a seedling planting apparatus 10 is connected to the rear part of a body frame 6 of a self-propelled vehicle body having a driving part equipped with a driving seat 5 located behind the driving part 3 via a link mechanism 8 having a lift cylinder 7. In addition, the fertilizer is configured to transmit the driving force from the engine 4 to the seedling planting device 10 via the rotating shaft 9, and is provided with a fertilizer tank 21 on the rear side of the driver seat 5 of the self-propelled vehicle body. 20 is provided to constitute a riding type rice transplanter with a fertilizer application device.

  That is, when the lift cylinder 7 is operated, the lift cylinder 7 swings the link mechanism 8 up and down with respect to the self-running vehicle body, and the seedling planting device 10 is in a descending work state in which the leveling float 11 is grounded on the surface. The leveling float 11 is moved up and down to a non-working state where the ground level float 11 has risen from the top of the field. When the seedling planting device 10 is in the descending operation state and the self-propelled vehicle body is driven, a plurality of seedling planting mechanisms 12 arranged in the lateral direction of the aircraft at the rear of the body of the seedling planting device 10 are planted by the seedling planting mechanism 12. On the rice field where the leveling float 11 is leveled by cutting and holding one block from the mat-like seedling placed on the seedling stage 13 that is driven so as to reciprocate in the lateral direction of the aircraft in conjunction with the movement. It descends to plant.

  The fertilizer application device 20 feeds granular fertilizer from the fertilizer tank 21 by a plurality of fertilizer feed devices 22 connected to the lower portion of the fertilizer tank 21 in the lateral direction of the vehicle body, and each fertilizer feed device 22 discharges the fertilizer. The fertilizer fed to the fertilizer is supplied to the fertilizer hose 24 extending from the discharge portion to the seedling planting device 10 by the fertilizer conveying wind supplied from the electric blower 23. A plurality of fertilizer hoses 24 are arranged so as to be positioned one by one near one seedling planting mechanism 12 and connected to a plurality of fertilizer applicators 25 connected to the leveling float 11, respectively. The vessel 25 forms a fertilizer groove near the lateral side of the seedling planting portion by the seedling planting mechanism 12 on the rice field and supplies fertilizer from the fertilizer hose 24 to the fertilizer groove. Thereby, the fertilizer application apparatus 20 supplies fertilizer near the side of the planting seedling of each planting strip of the rice field as the seedling planting device 10 performs the planting of a plurality of strips by the plurality of seedling planting mechanisms 12. Go.

  As shown in FIG. 1, spare mat-like seedlings (hereinafter referred to as spare seedlings) for replenishing the seedling platform 13 at portions located on both sides of the driving section 3 in front of the driver seat 5 of the self-propelled vehicle body. And a seedling scoop plate holder 40 for storing the seedling scooping plate A that is no longer needed by supplying the seedlings to the seedling mounting base 13. It is. The left and right spare seedling platform devices 30 and the seedling scoop plate holder 40 are similarly configured, and the left side spare seedling platform device 30 and the seedling scoop plate holder 40 will be described with reference to the drawings.

  As shown in FIGS. 2 and 3, the preliminary seedling platform device 30 includes a pair of front and rear step frames fixed to the front portion of the vehicle body frame 6 so as to support the step 50 for getting on and off located on the lateral side of the driving unit 3. 51, a front support 31 having a base 31a connected to a front end of a support frame 52 fixed over 51, a rear support 32 having a base 32a connected to a rear end of the support frame 52, and a plurality of upper and lower resin seedling platforms 36. A preliminary seedling stage 35 having a locking mechanism 60 having a lock pin 61 provided on the base end side of the rear column 32, and a gas spring 70 attached over the rear column 32 and the support frame 52. .

  As shown in FIGS. 2 and 3, the base 31 a of the front column 31 is rotatably connected to the front support 52 a of the support frame 52 via a connection pin 31 b, and the base 32 a of the rear column 32. Is rotatably connected to the rear support portion 52b of the support frame 52 via a connection pin 32b. The front column 31 is around the lateral axis of the connection pin 31b and the rear column 32 is a connection pin. The support frame 52 is undulated and swung in the longitudinal direction of the vehicle body 52 around the lateral axis of the vehicle body 32b.

  As shown in FIG. 3 and the like, the preliminary seedling platform 35 includes an annular frame 37 made of a steel pipe formed so as to have a rectangular annular shape when viewed from the side of the vehicle body, and the vehicle body vertically facing the vehicle body front and rear sides of the annular frame 37. The plurality of seedling mounts 36 are provided to be mounted over the vertical frame portions 37a and 37b. Each of the seedling mounts 36 is configured so that the preliminary seedlings can be placed and stored while being placed on the seedling scooping plate A.

  The upper end side of the annular frame 37 of the preliminary seedling stage 35 is connected to the upper end portion of the front strut 31 and the upper end portion of the rear strut 32 via connecting pins 38a and 38b. The spare seedling platform 35 is connected to the front column 31 so as to be swingable around the axis of the connecting pin 38a facing the vehicle body, and is connected to the rear column 32 of the connecting pin 38b. It is swingably connected around.

  In other words, the support frame 52, the front strut 31, the rear strut 32, and the spare seedling platform 35 constitute a quadruple link mechanism, and the fixed handle 33 is supported on the upper end of the rear strut 32 as shown in FIG. As a result, the rear column 32 swings in the longitudinal direction of the vehicle body with respect to the support frame 52 around the axis of the connecting pin 32b and extends vertically or substantially vertically upward from the rear support portion 52b of the support frame 52. As shown in FIG. 4, the upright state is switched to a lying state extending forward and upward from the rear support portion 52 b as shown in FIG. 4, and the front strut 31 is linked to the rear strut 32 around the axis of the connecting pin 31 b. An upright state that swings in the longitudinal direction of the vehicle body relative to the support frame 52 and extends vertically or substantially vertically upward from the front support portion 52a of the support frame 52, and forward and upward of the vehicle body from the front support portion 52a. The reserve seedling stage 35 swings around the axis of the connecting pin 38a with respect to the front support 31 and around the axis of the connecting pin 38b with respect to the rear support 32. It moves so as to move the seedling mount 36 in the longitudinal direction of the vehicle body.

As shown in FIGS. 3 and 7, the lock mechanism 60 locks the lock pin 61 that the pin holder 62 fixed to the rear column 32 slidably holds, and the front end side of the lock pin 61 protrudes from the pin holder 62. A lock spring 63 for slidingly urging the pin 61, and a plurality of pin holes 64a to 64c arranged in the movement direction of the lock pin 61 in the rear support portion 52b of the support frame 52 are provided. The seedling stage 35 is fixed to the front side or the rear side, or this fixing is released.
That is, a swing link 67 whose free end side is engaged with the operation pin 65 of the lock pin 61 and whose base is rotatably connected to the rear support column 32 via the connection pin 66, A base of a switching lever 69 that is linked to the lock pin 61 is connected to the fixed handle 33 via an interlocking rod 68 that is connected to the free end at one end. When the switching lever 69 is gripped and operated by the supporting hand, the interlocking rod 68 is pulled up and the swing link 67 is swinged, so that the lock pin 61 slides toward the pin holder 62 against the lock spring 63. The locking mechanism 60 is unlocked so as to release the rocking and fixing of the rear column 32 with respect to the support frame 52, and is removed from the pin holes 64 a to 64 c. Stand portion 35 to allow it to be moved back and forth. When the gripping operation of the switching lever 69 is released, the lock pin 61 protrudes from the pin holder 62 and enters any one of the plurality of pin holes 64a to 64c for the operation by the lock spring 63. Is in a locked state so that the rear support 32 is fixed to the support frame 52 so as not to be able to swing, and the preliminary seedling stage 35 is fixed so as not to move back and forth.

  The gas spring 70 swings and urges the rear support 32 to the upright side, thereby applying an operating force for moving the rear seedling stage 35 to the rear side of the vehicle body.

  As shown in FIG. 6, the seedling scoop plate holder 40 includes a bottom wall 41 made of sheet metal, a side wall made of the sheet metal member 42 and the round bar 43, and a seedling scoop plate inlet / outlet formed by the sheet metal member 42 and the round bar 43. 44. The seedling scoop plate A can be stored by inserting the seedling scoop plate A between the side walls of the seedling scoop plate insertion / removal port 44, so that the seedling scoop plate A can be stored. The seedling scooping plate A can be taken out by pulling it away from the bottom wall 41 from 44.

  As shown in FIGS. 2 and 6, the front support 31 of the preliminary seedling platform device 30 and the vertical frame portion 37 a on the vehicle body front side of the annular frame 37 in the preliminary seedling platform unit 35 are arranged separately. A pair of holder support portions 39 a and 39 b are provided in the preliminary seedling platform device 30, and are provided in a pair dispersed in the sheet metal member 42 and the round bar 43 so as to be positioned on one side wall of the seedling scoop plate holder 40. Of the pair of holder support portions 39a, 39b of the spare seedling platform device 30 is attached to the attachment portion 45 having a smaller distance to the seedling rake plate loading / unloading port 44 of the attachment portions 45, 46. It is pivotally connected to a spindle-shaped holder support 39a toward the platform 35, and the distance from the pair of mounting portions 45 and 46 of the seed rake plate holder 40 to the seed rake plate loading / unloading port 44 is large. Who is By attaching the attachment portion 46 to the ring-shaped holder support portion 39a toward the front strut 31 of the pair of holder support portions 39a and 39b of the preliminary seedling platform device 30, the attachment portion 46 is rotatably and slidable. The seedling scoop plate holder 40 is attached over the front strut 31 of the preliminary seedling platform device 30 and the annular frame 37 of the preliminary seedling platform unit 35.

  Thus, the seedling rake plate holder 40 has a rearward mounting posture in which the seedling rake plate loading / unloading port 44 faces the rear of the vehicle body as shown by a two-dot chain line in FIG. 3, and a seedling rake plate loading / unloading port 44 as shown by a solid line in FIG. Of the seedling rake plate holder 44 when the seedling rake plate holder 40 is in the rearward mounting posture and when it is in the forward mounting posture. The vehicle body is mounted on the vehicle body in a state where the vehicle body arrangement height is changed and the posture and the arrangement height can be changed by an operation of moving the preliminary seedling stage 35 in the longitudinal direction of the vehicle body.

  That is, when the preliminary seedling stage 35 is operated to swing in the longitudinal direction of the vehicle body by swinging the front strut 31 and the rear strut 32 of the preliminary seedling stage device 30, the front strut 31 and the preliminary seedling stage 35 And the vertical frame portion 37a on the front side of the annular frame 37 is relatively rotated around the axis of the connecting pin 38a, so that the holder support portion 39a on the preliminary seedling platform 35 is the holder support portion on the front post 31. The height of the pair of holder support portions 39a and 39b relative to the vehicle body changes relative to the vehicle body 39b, and the seedling scoop plate holder 40 moves the holder support portion 39a toward the spare seedling support base portion 35. It swings around the swing fulcrum and moves up and down with respect to the vehicle body. As a result, as shown in FIGS. 3 and 5 (a), when the preliminary seedling platform device 30 is switched to the state where the preliminary seedling platform unit 35 is positioned on the vehicle body rear side, the seedling scoop plate holder 40 is The rake plate loading / unloading port 44 is in a rearward mounting posture with the vehicle body rearward facing, and as shown in FIGS. 4 and 5 (B), the spare seedling platform device 30 positions the preliminary seedling platform 35 on the front side of the vehicle body. When the state is switched to the state, the seedling scoop plate holder 40 assumes a forward mounting posture in which the seedling scoop plate loading / unloading port 44 faces the front of the vehicle body. Further, as shown in FIG. 1, the height of the seed rake plate holder 40 when the seed rake plate holder 40 is in the forward mounting posture is equal to the height when the seed rake plate holder 40 is in the backward mounting posture. The height of the seedling scoop plate holder 40 with respect to the vehicle body is lower.

  In other words, when carrying out the operation of loading the spare seedling on the spare seedling platform device 30, the vehicle body is parked near the heel so that the front end of the vehicle body approaches the heel, and the lock mechanism 60 is unlocked by grasping the switching lever 69. While operating in the state, the fixed handle 33 is moved to the front side of the vehicle body to swing the rear column 32 and the front column 31 to the front side of the vehicle body. Then, the gripping operation of the switching lever 69 is released, and the lock mechanism 60 is switched to the locked state in which the lock pin 62 enters the pin hole 64b or 64c. Then, the preliminary seedling platform device 30 is in a state in which the preliminary seedling platform unit 35 has moved to the front side of the vehicle body, and the preliminary seedling platform device 30 is in a state in which the preliminary seedling platform unit 35 is positioned on the rear side of the vehicle body. Rather than placing it, it becomes easier to load the spare seedlings by bringing the preliminary seedling platform 35 to the ridge. At this time, the seedling scoop plate holder 40 changes its posture in conjunction with the movement of the spare seedling platform 35 and automatically becomes a forward-facing mounting posture. The seedling scoop plate A stored in the scoop plate holder 40 can be easily taken out from the seedling scoop plate holder 40 to the heel side. Further, at this time, the lock pin 61 is inserted into the pin hole 64c depending on the height of the heel and the height of the operator, so that the fall angle of the rear column 32 and the front column 31 is increased, or the lock pin 61 is inserted into the pin hole 64b. Then, by reducing the tilt angle of the rear strut 32 and the front strut 31, the ground height of the preliminary seedling placing base portion 35 moved to the front side of the vehicle body can be adjusted.

  When the seedlings are loaded, the fixed handle 33 is moved to the rear side of the vehicle body while holding the switching lever 69 and operating the lock mechanism 60 in the unlocked state to swing the rear column 32 and the front column 31 to the rear side of the vehicle body. To do. At this time, the swinging operation is assisted by the swinging urging by the gas spring 70, so that the swinging operation can be performed easily. When the rear column 32 and the front column 31 are in the standing state, the gripping operation of the switching lever 69 is released, and the lock mechanism 60 is switched to the locked state in which the lock pin 61 enters the pin hole 64a. Then, the preliminary seedling platform device 30 is in a state where the preliminary seedling platform unit 35 is moved to the rear side of the vehicle body and is close to the driver's seat 5, and the preliminary seedling platform device 35 is placed on the front side of the vehicle body. It is easier to take out the preliminary seedlings stored in the preliminary seedling stage table 35 than to keep the seedlings on the side, so that it is easier to supply seedlings to the seedling stage 13. At this time, the seedling scoop plate holder 40 changes its posture in conjunction with the movement of the spare seedling platform 35 and naturally becomes a rearward mounting posture, and the height of the seedling scoop plate holder 40 with respect to the vehicle body becomes high. The seedling scooping board A which is no longer needed by replenishing the seedlings on the seedling mount 30 can be easily stored in the seedling scooping board holder 40.

As shown in FIG. 1, side mirrors 72 are provided at the upper ends of the left and right spare seedling platform devices 30.
As shown in FIGS. 10 and 11, the side mirror 72 has an upper end portion of a support arm 73 that extends from a lateral frame portion 37 c that faces the vehicle body in the longitudinal direction and is positioned above the annular frame 37 of the preliminary seedling platform 35. It is installed in. The support arm 73 is laterally formed by a band-shaped connecting portion 74 provided by fixing a bent sheet metal to the base portion of the supporting arm 73, and a connecting bolt 75 for fastening and fixing the connecting portion 74 to the lateral frame portion 37c. It is tightened and connected to the frame portion 37c.

  That is, the connecting portion 74 is slid and adjusted with respect to the horizontal frame portion 37c in the longitudinal direction of the vehicle body, and is rotated and adjusted with respect to the horizontal frame portion 37c. By adjusting the angle in the lateral direction of the vehicle body, the side mirror 72 can be adjusted to the front / rear position and the attached state with the left / right angle that are easy to use regardless of changes in the driver and its posture. Yes.

As shown in FIG. 1, a surrounding planting marker 76 is provided on the lateral side of the front portion of the self-propelled vehicle body. This surrounding planting marker 76 is attached by the attachment structure shown in FIGS.
That is, on the rear surface side of the step frame 51 on the rear side of the pair of front and rear step frames 51, 51, the base portion of the vehicle body lateral support frame 77 made of channel steel having a reinforcing plate 77a on the front end side is disposed in the vehicle front-rear direction. A connecting portion 80, which is connected by a connecting bolt 78 and is provided by connecting a sheet metal member to a base portion of a supporting arm portion 76 a to which a surrounding planting marker 76 is attached on the tip side, is provided on the vehicle body with respect to the tip portion of the supporting frame 77. Connection is made by a downward connection bolt 81.

Of the pair of bolt holes 77b, 77c of the support frame 77, the bolt hole 77b located on the base end side of the support frame is a long hole in the vertical direction of the vehicle body, and the bolt hole 77c located on the front end side of the support frame is formed. The support arm portion 76a supports the preliminary seedling table device 30 by forming the support frame 77 in the vertical direction of the vehicle body by forming the support frame 77 in the longitudinal direction of the vehicle body and using the connecting bolt 78 on the front end side as a swing fulcrum. The attachment angle of the support frame 77 can be adjusted so as to avoid interference with the frame 52 or interference with the front wheel 1.
By connecting the support arm portion 76b to the connection portion 80 so as to be slidable and extendable, or by connecting the connection portion 80 to the support frame 77 so that the position of the support arm portion 76b can be changed in the lateral direction of the vehicle body. It is convenient because it is possible to adjust the length of projection of 76 from the vehicle body.

Side view of the entire riding rice transplanter with fertilizer application Front view of spare seedling platform and seedling scoop plate holder Rear view of the spare seedling platform, side view of the seedling scoop plate holder in the backward mounting position Front view of spare seedling platform, side view of seedling scoop plate holder in forward-facing orientation (B) is a side view of the seedling scoop plate holder in the backward mounting posture, and (b) is a side view of the seedling scoop plate holder in the forward mounting posture. Perspective view of the entire seedling scoop plate holder Cross section of locking mechanism Perspective view of disassembled state of surrounding plant marker mounting structure Rear view of surrounding plant marker mounting structure Rear-view mirror mounting structure perspective view Sectional view showing the mounting structure of the rearview mirror support arm

Explanation of symbols

5 Driver's seat 10 Seedling planting device 30 Preliminary seedling platform device 31 Prop 35 Preliminary seedling platform 40 seedling scoop plate holder 44 Seedling scoop plate loading / unloading port

Claims (5)

A riding type rice transplanter that connects a seedling planting device to the rear part of the self-propelled vehicle body and has a spare seedling platform device in front of the driver seat of the self-propelled vehicle body,
In front of the driver's seat of the self-propelled vehicle body, a seedling plate holder is attached in a backward-facing posture with a seedling plate loading / unloading port facing the rear of the vehicle body, and a forward-mounting posture in which the seedling scooping plate loading / unloading port is directed forward of the vehicle body. Riding type rice transplanter that can be freely changed in posture.   The riding type rice transplanter according to claim 1, wherein the height of the seedling rake plate holder in the forward mounting posture is set to be lower than the height of the seedling rake plate holder in the forward mounting posture.   The riding type rice transplanter according to claim 1 or 2, wherein a position of the preliminary seedling platform of the preliminary seedling platform device is movable in the longitudinal direction of the vehicle body.   The position of the seedling scoop plate holder is changed to the forward mounting posture by an operation of changing the position of the preliminary seedling platform to the front side of the vehicle body, and the operation of changing the position of the preliminary seedling platform to the rear side of the vehicle is performed. 4. The riding type rice transplanter according to claim 3, wherein the preliminary seedling platform and the seedling scoop plate holder are interlocked so that the posture of the plate holder is changed to the backward mounting posture. The preliminary seedling platform is configured to change its position in the longitudinal direction of the vehicle body by being slidably connected to a support column that can swing up and down in the longitudinal direction of the vehicle body. 5. The riding type rice transplanter according to claim 3, wherein the riding type rice transplanter is configured to change a posture by being attached to the spare seedling stage.

Images