JP2008307002A - Travelling type seedling transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve workability in a seedling transplanter in which a seedling-planting mechanism 11 for planting seedlings on a ridge in a field, a seedling-transferring and supplying mechanisms 12 for transferring and supplying the seedlings to the seedling-planting mechanism, a refilling member 20 for the planted places where the seedlings are planted with the seedling-planting mechanism, and a seat 34 on which a worker rides are disposed in a travel machine frame 3 formed to travel with travel wheels 4, 5 disposed on both the right and left sides. <P>SOLUTION: The seedling-planting mechanism 11 and the refilling member 20 are disposed in the front portion of the travel machine frame 3, and the seedling-transferring and supplying mechanisms 12 is disposed above the seedling-planting mechanism 11 and the refilling member 20. The seat 34 is disposed in the rear portion of the travel machine frame so that the worker rides in a forward or obliquely forward-directed posture. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a traveling seedling transplanting machine in which seedlings such as onions are planted in a field.

Conventionally, this type of traveling seedling transplanter, for example, as described in Patent Documents 1 and 2 as the prior art, a traveling machine body configured to travel on traveling wheels on both the left and right sides, A seedling planting mechanism for planting seedlings in a field, a seedling transporting and feeding mechanism for transporting seedlings one by one to the seedling planting mechanism and supplying them to the seedling planting mechanism, and for planting locations by the seedling planting mechanism When the worker boarding the seat is provided with a backfilling body, and the worker boarding the seat supplies the seedlings one by one to the seedling transport and supply mechanism, The plant is configured to be transferred and supplied to the seedling planting mechanism by the seedling transporting and supplying mechanism and then planted in the field by the seedling planting mechanism.
JP 2006-149281 A Japanese Patent Laid-Open No. 2007-80

  However, in the conventional traveling type seedling transplanter, as described in the above-mentioned patent documents, the seedling planting mechanism and the backfilling body are disposed at the rear of the traveling body, and the seedling transfer and supply is disposed above the mechanism. While the mechanism is disposed, the seat is provided in a front part of the mechanism, and an operator who is on the seat performs an operation of supplying seedlings to the seedling transfer supply mechanism one by one. It must be done in a posture facing backwards with respect to the traveling direction of the traveling aircraft, and since the situation of the traveling direction cannot be easily recognized during the seedling supply work in this backward posture, There was a problem that not only seedling supply work decreased, but also the degree of seedling supply mistakes increased.

  It is a technical object of the present invention to provide a traveling seedling transplanter that solves this problem.

In order to achieve this technical problem, claim 1
“On a traveling vehicle configured to travel on both right and left traveling wheels, a seedling planting mechanism in which seedlings are planted on the straw in the field, and seedlings are transferred to the seedling planting mechanism one by one. In a seedling transplanting machine comprising a seedling transfer and supply mechanism to be supplied to the seedling, a backfilling body for a planting position by the seedling planting mechanism, and a seat on which an operator is boarded,
The seedling planting mechanism and the backfilling body are disposed at the front part of the traveling machine body, and the seedling transporting and feeding mechanism is disposed above them. Install in a forward-facing orientation. "
It is characterized by that.

Claim 2
“In the first aspect of the present invention, each traveling wheel body is constituted by a pair of front and rear wheels, and the front wheels of the pair of front and rear wheels are rotationally driven.”
It is characterized by that.

Claim 3
“In the second aspect of the present invention, a pair of left and right wrinkle following roller bodies that are in contact with an inclined surface of the wrinkle of the field are provided at a position behind the rear wheel of the pair of front and rear wheels.”
It is characterized by that.

Claim 4
“In any one of claims 1 to 3, the seat is provided on both the left and right sides, while the seedling transfer supply mechanism is configured to extend to a portion between the two seats.”
It is characterized by that.

  According to the configuration described in claim 1, the operator who is seated in the seat can perform the seedling supply operation to the seedling transfer supply mechanism in a posture facing forward with respect to the traveling direction. The above-mentioned seedling supply operation can be performed while recognizing the situation, and the anxiety in the worker can be greatly reduced as compared with the backward-facing posture, so that the efficiency of the seedling supply operation can be improved and the seedling can be improved. Generation of supply errors can be reduced.

  In this case, according to the configuration described in claim 2, since the traveling machine body can be driven by the front drive, the pitching and meandering of the traveling machine body are reduced, and the stability of the planting posture and planting depth of the seedling can be improved. .

  Further, according to the configuration described in claim 3, the stability of traveling the traveling machine body along the kite can be reliably improved by the pair of left and right kite tracking roller bodies.

  In particular, according to the configuration described in claim 4, since the seedling supply operation to the seedling transport and supply mechanism can be performed by two workers on the traveling machine body, the seedling planting speed is improved and the seedling planting is performed. The number of articles can be increased.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

  The seedling transplanting machine 1 shown in these figures moves onion seedlings in the width direction of the cocoon 2 while traveling forward in the direction of arrow A along the longitudinal direction of the cocoon 2 while straddling the cocoon 2 in the field. A plurality of planting strips are planted at regular intervals along the traveling direction.

  The onion seedling transplanting machine 1 includes a traveling machine body 3 and, as will be described later, a pair of left and right front wheels 4 that travels with the traveling machine body 3 supported on both the left and right sides, and a pair of left and right rear wheels. Wheel 5 is provided.

  A substantially central portion of the traveling machine body 3 is provided with a mission case 7 that receives power from an engine 6 described later, and the engine 6 is mounted on an engine base 8 that protrudes rearward from the mission case 7. On the other hand, a steering handle 10 is provided at the front end of the frame 9 extending forward from the mission case 7 so as to extend forward.

  A plurality of seedling planting mechanisms 11, which will be described in detail later, are arranged in the width direction of the cocoon 2 at an appropriate strip interval P at the front end portion of the mission case 7 in the traveling body 3. A seedling transfer and supply mechanism 12, which will be described in detail later, is provided in a portion of the traveling machine body 3 above the mission case 7.

  Each of the seedling planting mechanisms 11 includes a planting body 13 that reciprocates in the vertical direction between the ridges 2 in the field, as is well known in the above-described Patent Documents 1 and 2, and the like. Is a hollow, substantially inverted conical shape, and is divided into front and rear or left and right, and when the planting body 13 is in the raised position, it closes and receives seedlings from the seedling transport and supply mechanism 12 therein, By repeatedly moving the planted body 13 downward, the pointed portion at the lower end of the planted body 13 pierces the upper surface 2a of the rod 2 and opens in this state, and then returns to the original raised position and closes in the opened state. In this configuration, seedlings are planted on the cocoon 2.

  The seedling transfer supply mechanism 12 includes an endless chain 17 wound in a substantially triangular shape in plan view between three sprockets 14, 15, 16 provided on the left and right sides and the rear part of the traveling body 3. And a plurality of vertical seedling cylinders 18 provided at an appropriate pitch interval on the endless chain 17, and each seedling cylinder 18 connected in a row in the endless chain 17 is viewed in plan view (FIG. 2). ), And is intermittently circulated at a pitch interval of the seedling cylinders 18 along the guide rails 19 configured in a substantially triangular closed loop. When a single seedling is introduced (supplied), it moves along the guide rail 19 to a position directly above the planted body 13 in each seedling planting mechanism 11 and then opens a shutter (not shown) at the bottom thereof. So inside It has a configuration of supplying darken seedlings per share in the planting body 13 in each of seedling planting mechanism 11.

  Further, the traveling machine body 3 is provided with a roller-type backfilling body 20 which backfills a portion of the top surface 2a of the basket 2 where the seedling planting mechanism 11 has planted seedlings. It is provided for each rear portion of the mechanism 11.

  A front wheel 4 and a rear wheel 5 that support both the left and right sides of the traveling machine body 3 include a front link body 21 having a base end pivotally attached to a side surface of the transmission case 7 in the traveling machine body 3, and an engine base in the traveling machine body 3. A parallel link mechanism 24 comprising a rear link body 22 pivotally attached to a lateral member 25 extending horizontally from 8 and a link body 23 connecting the front and rear link bodies 21 and 22; It is attached to the traveling machine body 3 so as to be movable up and down, and either one of the front and rear link bodies 21 and 22 in the parallel link mechanism 24 is attached to a lifting hydraulic cylinder (not shown) provided on the traveling machine body 3. Thus, the traveling machine body 3 is moved up and down with respect to the eaves 2 by rotating around the base end and moving the front and rear wheels 4 and 5 simultaneously up and down via the traveling machine body 3. Configured as That.

  In addition, the front link body 21 of the pair of front and rear link bodies 21 and 22 in the parallel link mechanism 24 for the front and rear wheels 4 and 5 is formed as a hollow body, and the front wheel from the transmission case 7 to the inside. A power transmission chain (not shown) to 4 is provided, and the left and right front wheels 21 are rotated so that the traveling machine body 3 moves forward or backward.

  A hook tracking mechanism 26 is provided at the rearmost part of the traveling body 3.

  As shown in FIG. 4, the saddle following mechanism 26 has a lateral support member 27 provided on the engine base 8 so as to extend horizontally and laterally, and both lateral support members 27 can be moved up and down at any vertical position. The support member 28 is attached so that it can be detachably fixed so as not to move up and down, and the rod follower roller body 29 that contacts the left and right side surfaces 2b of the rod 2.

  The roller body 29 is attached to an L-shaped lever 31 pivotally attached to the support member 28 by a pin 30 so that the roller body 29 is separated from the left and right side surfaces 2b of the rod 2 by the rotation of the L-shaped lever 31. It is attached so as to turn and is further pressed against the left and right side surfaces 2b of the flange 2 by a spring 32 provided between the lever 29 and the support member 27.

  On the other hand, the L-shaped lever 31 is connected to an operation lever (not shown) provided at a position of the steering handle 10 in the traveling machine body 3 via a wire 33, so that the rotation operation of the operation lever is performed. Thus, the wrinkle following roller body 29 is configured to rotate outward.

  In addition, seats 34 are arranged on both the left and right sides in the middle of the traveling machine body 3 so that an operator can get on the seat 34 in an obliquely forward posture. It is set as the structure attached to the parallel link mechanism 24 with respect to the said pair of front-and-rear wheels 4 and 5 via.

  A roller-type height sensor 36 that comes into contact with the upper surface 2a of the cocoon 2 is provided in front of each seedling planting mechanism 11, and the elevation hydraulic cylinder is operated by the height sensor 36. Thus, the height from the upper surface 2a of the heel 2 in the traveling machine body 3, that is, the planting depth of the seedling is configured to be kept substantially constant.

  In this configuration, the seedling planting mechanism 11 and the seedling transport and supply mechanism 12 are driven while the traveling machine body 3 travels forward.

  The operator puts the seedlings on the preliminary seedling mounting stage 37 provided on the traveling machine body 3 in the seedling storage cylinders 18 in the seedling transfer and supply mechanism 12 in a state where the operator rides on the seat 34 in an obliquely forward posture. Supply stocks one by one.

  Then, after each seedling cylinder 18 in the seedling transport and supply mechanism 12 has moved to a position directly above the planted body 13 in each seedling planting mechanism 11, a shutter at the bottom thereof is opened, so that one stock in the inside The seedlings are dropped into the planted body 13 of each seedling planting mechanism 11 and supplied.

  Next, the planting body 13 in each seedling planting mechanism 11 moves downward, and the pointed portion at the lower end of the planting mechanism pierces the upper surface 2a of the cocoon 2 so that the seedling can be planted on the cocoon 2 by opening in this state. The portion of the upper surface 2a of the cocoon 2 where the seedlings are planted is backfilled by the backfilling body 20.

  Since the forward traveling of the traveling machine body 3 is a front drive by driving the front wheel 4 of the pair of front and rear wheels 4, 5, the pitching and meandering of the traveling machine body 3 can be reduced as compared with the case of the rear drive.

  Further, since both roller bodies 29 in the saddle following mechanism 26 provided at the rearmost part of the traveling machine body 3 are in contact with the left and right side surfaces 2b of the traveling machine body 2, the vehicle travels along the flange 2 in the traveling machine body 3. To improve the stability of the operation.

  In this case, both roller bodies 29 contacting the left and right side surfaces 2b of the collar 2 are configured to be able to rotate outwardly against the pressing spring 32. It is possible to avoid the roller body 29 from interfering when the traveling machine body 3 crosses the ridge or crosses the ridge.

  The operation handle 10 is provided with an operation lever for ON / OFF operation of each seedling planting mechanism 11 and an operation lever for ON / OFF operation of the seedling transfer supply mechanism 12. In addition, various operation means such as a side clutch lever for the left and right front wheels 4 and an accelerator lever of the engine 6 are provided.

  Further, as shown in the drawing, the steering handle 10 is shown by a two-dot chain line in FIGS. 1 and 2 instead of or in addition to being provided to extend forward in the front portion of the traveling machine body 3. In addition, it is possible to provide a configuration in which the traveling machine body 3 is provided so as to extend rearward and the above-described various operation means are provided.

  Furthermore, the various operation means described above can be provided at a location in the vicinity of the seat 34 and can be configured to be operated by an operator who rides on the seat 34.

It is a side view which shows the seedling transplanting machine by embodiment in this invention. It is a top view of FIG. FIG. 3 is a rear view taken along line III-III in FIG. 1. FIG. 4 is a front view taken along the line IV-IV in FIG. 1.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Seedling transplanter 2 畝 3 Traveling machine body 4 Front wheel 5 Rear wheel 6 Engine 7 Mission case 10 Steering handle 11 Seedling planting mechanism 12 Seedling transfer supply mechanism 13 Planted body 17 Endless chain 18 Seedling cylinder 19 Loop guide rail 20 Backfill Body 24 Parallel link mechanism 29 Roller body for tracking heel 34 Seat

Claims (4)

A seedling planting mechanism in which seedlings are planted on the straw in the field, and seedlings are transferred to the seedling planting mechanism one by one on a traveling vehicle configured to travel on both right and left traveling wheels. In a seedling transplanting machine comprising a seedling transporting and feeding mechanism adapted to be supplied to a plant, a backfilling body for a planting position by the seedling planting mechanism, and a seat on which an operator is boarded,
The seedling planting mechanism and the backfilling body are disposed at the front part of the traveling machine body, and the seedling transporting and feeding mechanism is disposed above them, while the seat is disposed at the rear part of the traveling machine body so that an operator faces forward or obliquely. A traveling seedling transplanter characterized in that the traveling seedling transplanter is provided in a forward orientation.   The traveling seedling transplanting machine according to claim 1, wherein each traveling wheel body is constituted by a pair of front and rear wheels, and a front wheel of the pair of front and rear wheels is rotationally driven.   3. The left and right pair of heel following roller bodies that are in contact with the inclined surface of the vine in the field are provided at a position behind the rear wheel of the pair of front and rear wheels. Traveling seedling transplanter.   The traveling type according to any one of claims 1 to 3, wherein the seats are provided on both right and left sides, and the seedling transfer supply mechanism is configured to extend to a portion between the two seats. Seedling transplanter.

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