JP2010154764A - Seedling transplanter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seedling transplanter that secures a compact machine constitution, arbitrarily rotates a preliminary seedling table having excellent operability in a necessary direction and easily takes out a seedling cluster in planting travel using a line drawing marker. <P>SOLUTION: The seedling transplanter is equipped with a longitudinally arranged driver seat (13), a planting apparatus (4), the rotatable preliminary seedling table (15) and the line drawing marker (16) changeable from a line drawing position (P1) at the front of the machine to a waiting position (P2). The vertical shafts (52) of the preliminary seedling table (15) support the machine by spindles (53a) at mutually different positions through projection arms (53). The rotation ranges of the projection arms (53) have the 360 degree rotation region of the preliminary seedling table (15) covering a space from a storage position (A) interfering with the line drawing marker (16) at the waiting position (P2) to an expansion position (B) having no interference. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a seedling transplanting machine provided with a rotary type preliminary seedling stage for single-sided operation and left and right drawing markers.

As shown in Patent Document 1, a seedling transplanting machine in which a cockpit and a planting device are arranged at the front and rear, and is provided with a rotation-type preliminary seedling stage for single-sided operation and drawing markers on the outer sides of the left and right bodies. Are known. The single-sided rotary stand-up seedling stage is designed to operate a large number of seedling assemblies that are rotated in the necessary direction when loading seedling assemblies at the field edge and the replenishment of planting equipment. Can be secured. The drawing marker can be switched between a drawing position that extends to the non-planted side and draws in a reciprocating planting operation in which the planting runs sequentially in adjacent strokes, and a standby position that is raised and held on the existing planting side. Furthermore, it is configured to be movable to a compact storage position for storing the fuselage.
JP 7-13003 A

  However, the spare seedling platform is placed at the front end of the aircraft for mounting a large amount of seedling assemblies and for compact storage of the aircraft, and the drawing marker on the existing planting side is the driver on the front side of the cockpit. Since the marker arm interferes with the adjacently placed spare seedling stage and its rotation range is limited, the rotation range of the spare seedling stage is limited. Become. In this case, placing the spare seedling platform and the drawing marker apart from each other leads to an increase in the size of the machine, and in order to move the drawing marker to the storage position one side at a time, the construction of the drawing marker is complicated. Will be invited.

  The problem to be solved is to secure a compact body storage in the seedling transplanter with the cockpit and the planting device arranged at the front and back, and the left and right drawing markers and the spare seedling stage on the front of the body. Then, it is providing the seedling transplanting machine which can ensure the operativity of the seedling aggregate | assembly of a preliminary seedling mounting stand by simple structure at the time of planting driving | running | working which uses a drawing marker.

  The invention according to claim 1 is a cockpit for maneuvering an aircraft provided in a machine capable of traveling on a field, a planting device for planting a seedling in the rear thereof, and a seedling assembly to be supplied to the planting device. With a single-sided operation type seedling stand that is pivotally supported 360 degrees around the vertical axis, and an indicator of the adjacent travel distance in the front side range of the cockpit seat lying on its side In a seedling transplanter equipped with a drawing marker that can be switched from a drawing position to check the line in advance and can be caused to the standby position, the vertical axis of the preliminary seedling stage is rotated by the support shafts at different positions. The extension arm is supported by the body via a possible extension arm, and the rotation range of this extension arm is the interference from the storage position where the 360 ° rotation area of the preliminary seedling stand interferes with the drawing marker at the standby position. It covers the unfolded position.

  The seedling transplanting machine having the above-described configuration is equipped with a single-sided operation seedling mounting stand that is excellent in operability and enables compact mounting of a seedling assembly, and when performing planting, a line that performs a drawing operation on the non-planting side of the aircraft Even if the drawing marker in the pulling position is within the forward field of view of the pilot in the front range of the cockpit and the drawing marker in the standby position on the opposite planting side is close to the spare seedling platform, the extension arm is rotated. By moving the preliminary seedling stage from the storage position to the deployment position, a 360-degree rotation range without interference with the drawing marker in the raising posture is secured.

According to a second aspect of the present invention, in the configuration of the first aspect, the planting device is inclined upward from a lowered position for planting seedlings to a raised position where it is retracted to the upper front via a lifting link at the rear of the machine body. A storage position for supporting the drawing marker by rotating backward from the standby position is provided in the vicinity of the planting device in the ascending position so as to be able to move up and down along the flow line. The marker body pivotally supported at the tip of the pulling marker is removed from the lifting / lowering operation region of the planting device, and is stored in a position overlapping the planting device in the elevated position in plan view.
The drawing marker does not cause interference even when the planting device moves up and down along the inclined flow line in the storage position, and the marker body is located at a position overlapping the planting device in the raised position in plan view. Is stored.

In the seedling transplanting machine according to claim 1, the preliminary seedling placing table adjacent to the marker arm in the raising posture rotates the extension arm from the storage position to the deployed position, so that there is no interference of the marker arm in the raising posture 360. A rotation range of degrees is secured.
Therefore, the seedling transplanter can easily take out the seedling assembly by arbitrarily rotating the preliminary seedling stage in the necessary direction during planting traveling using the drawing marker. And a planting device are arranged in the front and rear, the left and right drawing markers and a spare seedling stage are provided in the front part of the machine body to secure compact body storage, and the seedling set of the spare seedling stage has a simple structure. It becomes possible to secure the operability of the body

  In addition to the effect of claim 1, the seedling transplanter of claim 2 overlaps the planting device in a plan view with the planting device in the raised position in the storage position, and the planting device has an inclined flow line. No increase in the longitudinal dimension of the aircraft due to the space for storage, so that the overall length of the aircraft is shortened and the operation line for seedling replenishment to the planting device is reduced. It is shortened and workability | operativity can be improved.

Embodiments specifically configured based on the above technical idea will be described below with reference to the drawings.
As an application example of the present invention, the seedling transplanting machine shown in the side view of FIG. 1 and the plan view of FIG. 2 is an eight-row seedling transplanting machine, and a pair of left and right front wheels 6, 6 that can be steered and left and right The pot-type planting device 4 can be moved up and down via a lifting link device 3 which is composed of upper and lower links and is provided with a rolling adjusting portion at the rear end on the rear side of the machine body having a pair of driving rear wheels 7 and 7. The leveling rotor 8 is provided in front of the float 5 that is mounted and provided below the pot-type planting device 4.

  The leveling rotor 8 is attached to the rear end portion of the elevating link device 3 and is pot-type via an extension frame 9 formed by upper and lower frames extending from the elevating link device 3 on the extension line of the upper and lower links. The planting device 4 is supported. In addition, the front side of the fuselage is provided with a steering handle 12 for steering the front wheels 6 and 6, a cockpit 13, a spare seedling table 15, a drawing marker 16, and the like, and a fertilizer 17 is provided behind the cockpit 13.

  The pot-type planting device 4 is an example of a configuration of eight-row planting, and is inclined from a descending position D for planting seedlings through a lifting link 3 at the rear of the machine body to an unillustrated ascending position U that retracts to the upper front side. It is supported so that it can move up and down along the flow line. In order to handle many seedling pots in a grid-like arrangement on a flexible seedling tray and store each seedling one by one and hold it in a seedling box, it is shared after two adjacent strips. Four sets of upper and lower pot seed box introduction sections 30, 30... Inclined downward are provided in parallel on the left and right, and the seedling box main transport is provided at the rear end of each set of pot seed box introduction sections 30, 30. The paths 31, 31... Are connected to form a transport unit for transferring the seedling box.

  Each seedling box main transport path 31 transports seedling boxes supplied one by one in order from the upper and lower two-stage pot seedling box introduction sections 30 and 30 downward in the first half, and gradually moves the transport direction along the arc from the middle. In the second half, it is formed in a substantially U shape in a side view to convey upward, and is connected to the terminal portion of the seedling box main conveyance path 31 to provide a plurality of empty seedling boxes after the seedlings are taken out at the seedling removal position. There is provided an empty box accommodating portion 38 that can be accommodated in a state of being stacked one above the other. The seedling box main transport path 31 is provided with a seedling box supply device by a supply roller that feeds the seedling box in the pot seedling box introduction section 30, and the placed seedling box is the bottom surface of the pot seedling box introduction sections 30, 30. It slips backward by its own weight along the slope by the idle roller.

  In addition, at the seedling extraction position located at the lower end of each seedling box main transport path 31, a seedling extraction mechanism for extracting seedlings from the seedling box being transported for each row in the pot, and an arc is drawn forward on the extracted seedlings A seedling transport mechanism for transporting along such a trajectory, a seedling removal mechanism for extracting a seedling from the seedling transport mechanism, a seedling lateral feed mechanism for laterally feeding to the left and right sides by half of one horizontal row extracted by the seedling removal mechanism, A planting part 32 comprising a seedling planting mechanism for taking seedlings supplied by the seedling lateral feed mechanism and planting them in the field is provided. Further, the planting part 32 is integrally configured with a drive case and a planting transmission frame. The upper and lower two-stage pot seedling box introduction part 30 is supported through a seedling support frame.

  The drawing marker 16 includes a marker arm 16a that can fall down on the side of the machine body, a marker body 16b that is pivotally supported on the tip of the marker arm 16b and that can be rotated, and an operating unit 16c that causes the marker arm 16a by an internal motor. A drawing position P1 (not shown) that draws the marker arm 16a by lying down sideways and grounding the marker body 16b, and a standby position P2 that raises the marker arm 16a and holds the marker body 16b in the upper position. Are interlocked with the lifting / lowering operation of the lifting / lowering link 3 and can be switched alternately by the operating unit 16c. The drawing marker 16 is pivotally supported on the machine body by a turning frame 16d so as to be able to turn backward, and is rotated backward from the standby position P2 on the side of the machine body so as to be movable to the storage position P3.

(Preliminary seedling stand)
The preliminary seedling stage 15 is a seedling aggregate in which four seedling boxes to be replenished to the planting device are stacked as shown in FIG. 3 with a front view (a) and a side view (b) as the front side. A single-sided operation type seedling frame 51 that is mounted in three horizontal rows and two upper and lower stages so that P can be taken in and out from the front is formed, and a vertical axis 52 projects from the lower part, and the vertical axis 52 rotates 360 degrees. It is supported in such a way that it can be moved between two positions by an overhanging arm 53 that is supported by the airframe.

  The first position by the rotation of the overhanging arm 53 is the storage position A of the front part of the machine body, and the second position is the 360 ° rotation region about the vertical axis 52 in the standby position P2 of the drawing marker 16 A support shaft 53a is provided as a deployment position B that is disengaged from the marker arm 16a. Ring-shaped positioning members 54 and 54 each having a notch formed at a divide-by-8 position are provided at two axial positions of the overhanging arm 53, that is, the positions of the vertical axis 52 and the support shaft 53a. By providing a lock arm 55 that can be removed by both-side operation and a lock arm 56 that can be removed by pedal operation below the extension arm 53, the rotation directions of the seedling frame 51 and the extension arm 53 can be changed. Configure to enable selection and maintenance.

  When the seedling assembly P is loaded, the preliminary seedling stage 15 is configured as described above, and the extension arm 53 is rotated to move the preliminary seedling stage 15 to the deployment position B. The seedling assembly P can be loaded from the ground side with the 15 facing the heel side of the field end, and in the seedling planting operation traveling, the drawing marker 16 is on the already planting side at the standby position P2. Also, the operator takes out the seedling assembly P of the preliminary seedling mounting table 15 from the cockpit 13 or the vicinity thereof with the preliminary seedling mounting table 15 directed toward the rear planting device 4, and the pot of the rear planting device 4. It can be replenished to the seedling box introduction parts 30, 30.

  As shown in FIG. 4, the lock mechanism of the preliminary seedling stage 15 is configured by connecting the lock arm 55 of the seedling frame 51 and the lock arm 56 of the overhanging arm 53 with a wire 57 as shown in FIG. 4. When the lock arm 55 of 51 is tilted and the lock is released, the wire 57 is pulled and the lock arm 56 of the overhanging arm 53 is released, and the operation can be performed with one touch. Further, only the seedling frame 51 can be rotated by setting the pulling allowance of the wire 57.

(Storing position of drawing marker)
About the storage position P3 of the drawing marker 16, it provides in the range which overlaps by planar view in the position which does not interfere with the planting apparatus 4 which reaches the raising position U. Specifically, the planting device 4 is supported so as to be able to move up and down via the lifting link 3 at the rear of the machine body, and its lifting path extends from a lowered position D for seedling planting to a raised position U that is retracted to the upper front. It is constructed so that it can be moved up and down along the upwardly moving line of inclination, and with respect to the planting device 4 in the raised position U, it is separated from the lifting operation area between the upper and lower two-stage pot seedling box introduction parts 30, 30. The storage position P3 is provided so that the marker body 16b of the drawing marker 16 is located at an overlapping position in plan view.

  By effectively using the space as described above and providing the storage position P3 for the drawing marker 16, an increase in the longitudinal dimension of the airframe due to the space for storage can be suppressed. The operation line for replenishing seedlings to the apparatus can be shortened and workability can be improved.

(Conveying seedling box of planting equipment)
The seedling box transport mechanism of the planting device 4 has a pot seedling box introduction section only when the first seedling box P is not present in the seedling box main transport path 31 as shown in the sectional view of the transport path of FIG. The conveyance speed is controlled so that the speed of the seedling box conveyed from 30, 30 does not increase. As shown in the system configuration diagram of FIG. 6, the control configuration is a drop shock caused by a drop in the transport path by operating the shift lever 62 of the continuously variable transmission with a solenoid 63 according to the signal of the seedling box detection switch 61. The situation where the seedlings are removed can be avoided. Further, as shown in the shape diagram of FIG. 6, the automatically-supplied rubber roller reliably suppresses the sliding-down of the seedling box P in the seedling box main transport path 31 by giving the holding force directivity, It is easy to return in the reverse direction, and the seedling box P can be easily extracted.

(Rolling control of planting equipment)
The rolling control of the planting device will be described with respect to an example of a six-row planting configuration. As shown in the side view of the detection position in FIG. 8A, the four seedling box detection switches SW1 to SW1 of the seedling box main transport path 31 are shown. One that uses SW4 and detects many SW1 to SW4 on the left and right by the detection signals L1 to L4 and R1 to R4 of the right and left planting devices L and R as shown in the development view of FIG. Correct auto-rolling so that Specifically, as shown in FIG. 9, the number of ONs of detection signals L1 to L4 of the left planting device L and the number of ONs of detection signals R1 to R4 of the right planting device R, as shown in FIG. By counting and comparing, it is decided which one to pull up on the left and right.

(Cleaning means for planting equipment)
As shown in FIG. 10 (a), an enlarged view of the main part of the cleaning seedling box 71 is used to drop mud attached to the planting apparatus. As shown in FIG. Is provided. The rib 73 extends to the innermost limit, and a narrow slit S is formed in a large Y shape at the bottom 74 of each pot 72, and an enlarged sectional view of each pot 72 is shown in FIG. The thin film 75 with the slit T is stretched to close the hole as much as possible to store water inside, and each part of the transport path can be washed with water.

(Front wheel)
As shown in FIG. 11, an enlarged side view of the front part of the machine body is formed on the front wheels 6 of the seedling machine by forming marks M that can be seen from the driver's seat with colors or the like different from those of the wheels. Since the movement distance can be grasped at the rotational position, the planting start position at the Z turn can be easily adjusted because the vehicle can turn at a constant reverse distance in the reverse operation when turning in the field.

Side view of seedling transplanter Top view of the seedling transplanter in Fig. 1 Front view (a) and side view (b) of preliminary seedling stage Configuration example of the lock mechanism of the stand seedling stand Cross section of transfer path of planting device System configuration diagram of transport control Rubber roller shape Side view of detection position (a) and development view of 6-row configuration (b) Example of rolling control Main part enlarged view (a) of cleaning seedling box and enlarged sectional view (b) of pot Enlarged side view of the front of the aircraft

Explanation of symbols

DESCRIPTION OF SYMBOLS 3 Lifting link apparatus 4 Pot type planting apparatus 13 Pilot seat 15 Reserve seedling stand 16 Drawing marker 16a Marker arm 16b Marker body 51 Seedling frame 52 Vertical axis 53 Overhang arm 53a Support shaft 54 Positioning member 55 Lock arm 56 Lock arm 57 Wire A Storage position B Deployment position D Lowering position P Seedling assembly (seedling box)
P1 Drawing position P2 Standby position P3 Storage position U Raised position

Claims (2)

A cockpit (13) for maneuvering the aircraft provided on the machine capable of traveling on the field, a planting device (4) for planting seedlings behind it, and a seedling set to be replenished to this planting device (4) A single-sided operation type seedling stand (15) mounted with a body and pivotally supported around 360 degrees around the longitudinal axis (52), and the pilot seat (13) lying on its side from the fuselage In a seedling transplanter equipped with a drawing marker (16) that can be switched from a drawing position (P1) that pre-checks a line that is an indicator of an adjacent travel stroke in the front range of the front range and can be caused to a standby position (P2),
A vertical axis (52) of the preliminary seedling stage (15) is supported on the machine body via an extension arm (53) that can be rotated by support shafts (53a) at different positions, and the extension arm (53). The rotation range of) is a deployment position where there is no interference from the storage position (A) where the 360 ° rotation area of the preliminary seedling stage (15) interferes with the drawing marker (16) at the standby position (P2). (B) The seedling transplanter characterized by covering up to.   The planting device (4) has an upwardly-inclined flow line from a descending position (D) for planting seedlings to an ascending position (U) that is retracted to the upper front via a lifting link (3) at the rear of the machine body. A retractable position for retracting the drawing marker (16) from the standby position (P2) in the vicinity of the planting device (4) in the ascending position (U). (P3) is provided, and in this storage position (P3), the marker body (16b) pivotally supported at the tip of the drawing marker (16) is disengaged from the lifting / lowering operation region of the planting device (4) and is viewed in plan view. The seedling transplanting machine according to claim 1, wherein the seedling transplanting machine is housed in a position overlapping with the planting device (4) in the raised position (U).

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