JP2017099421A - Seedling transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seedling transplanter capable of making a visual field of an operator better, and improving working efficiency, while having a compact constitution.SOLUTION: In a seedling transplanter having a constitution in which a seat (46) seated by an operator is arranged on the front side of a seedling feeder (6) for feeding a transplantation object to a seedling planting device, and the operator is seated in a backward-posture toward the seedling feeder (6), a step (49) is extended over the periphery of the front end of a machine body on the side of the seat (46), and a reflector (111) for the operator seated on the seat (46) is arranged on the same right-to-left position as the step (49) or on the furthermore outside position in the longitudinal direction of the machine body than the step (49) on the rear side of the seedling feeder (6).SELECTED DRAWING: Figure 2

Description

  The present invention relates to a seedling transplanting machine including a container support portion that can be equipped with a container for storing seedlings such as a container.

  In seedling transplanters that plant seedlings of leafy vegetables such as onions, seedlings are placed in a container for storing seedlings such as containers at the planting preparation stage, and the containers are installed in seedling transplanters as they are. Some supply seedlings to the seedling supply department. Patent Document 1 discloses a seedling transplanting machine including a container support portion in which two rod-shaped container receivers are erected. Above the bar-shaped container receiver, there is an engagement member that hooks into the side hole of the container and receives the weight of the container at that part, and the container side comes into contact with the receiving member that passes horizontally between the two container receivers. The container posture is maintained.

JP 2006-320212 A

However, the container support described in the patent document has a configuration in which the container support including the engagement member is easily damaged because the weight of the container acts on the engagement member as it is. The container also has a problem that it easily breaks because the weight acts only on the side hole. The problem to be solved by the invention is to provide a seedling transplanting machine provided with a container support portion having a more rigid structure, in which a container or the like which is a container for containing seedlings is not easily damaged. Another object of the present invention is to provide a seedling transplanting machine that improves the field of view of the worker and improves the working efficiency while having a compact configuration.

  The present invention has taken the following technical means to solve the above problems.

That is, the invention according to claim 1 has a seat (46) in which a seat (46) on which an operator sits and a seedling supply device (6) for supplying a transplant to the seedling planting device (5) are arranged in front and back. The seedling transplanter is provided with a reflecting mirror (111) for a worker sitting on the side opposite to the side where the seat (46) is located with the seedling supply device (6) interposed therebetween .

The invention according to claim 2 is a configuration in which the seat (46) is disposed on the front side of the seedling supply device (6), and the operator is seated in a rearward posture toward the seedling supply device (6). A step (49) is extended on the side of the seat (46) over the vicinity of the front end of the machine body, and the reflector (111) is placed on the rear side of the seedling supply device (6) and at the same left-right position as in the step (49). It is a seedling transplanter of Claim 1 arrange | positioned rather than the step (49) in the body left-right direction outer position .

Further, the invention according to claim 3 is provided with a container support part (101) for supporting a rectangular parallelepiped container (C) for accommodating a transplant, and the container support part (101) is arranged on the side surface of the container (C). The side surface holding part (102) to hold | maintain and the bottom face holding part (103) holding the bottom face of the said container (C) are comprised, and a side surface holding part (102) is upward along the side surface of the said container (C). An outer portion (102a) extending to the outer portion (102a) and a side hole insertion portion (102b) extending from the outer portion (102a). The side hole insertion portion (102b) forms an outer portion (102a). The seedling transplanter according to claim 1 or 2, wherein the seedling transplanter is configured to be inclined to the container (C) side so that the angle (θ) is an obtuse angle and to be inserted into a hole at an upper side of the container (C). is there.

The invention according to claim 4 is provided with a container support part (101) for supporting the rectangular parallelepiped container (C) for accommodating the transplant, and the container support part (101) is provided by an operator as a seedling supply device (6). ) Between the working position when the seedling is supplied to the container and the equipment position where the container (C) is mounted on the seedling transplanter, and the container supporting portion can be rotated around the vertical container rotating shaft (104). 4. The structure according to claim 1, wherein the bottom surface holding part (103) of the container support part (101) is inclined downward toward the outside of the body when (101) is in the equipment position . The seedling transplanter according to Item 1 .

According to invention of Claim 1 , it is set as a compact structure by providing the reflector (111) for workers on the opposite side to the side with a seat (46) on both sides of the seedling supply device (6). However, the visibility of the worker can be improved. As a result, the operation of turning around and checking the back can be omitted, and the work efficiency is improved .

According to the second aspect of the present invention, the operator can get on and off the step (49) from the front of the fuselage and is provided on the side of the seat (46) while being seated on the seat (46). The state in front of the airframe can be seen on the reflecting mirror (111) through the space above (49), and the operator's field of view can be improved .

According to invention of Claim 3, a container support part (101) is made into the side surface holding part (102) holding the side surface of a container (C), and the bottom face holding part (103) holding the bottom face of a container (C). Therefore, the weight of the container (C) is received by the bottom surface holding part (103), and the proportion of the container weight acting on the side hole of the container (C) is reduced. This reduces the damage to the container (C). Moreover, since the bottom surface holding part (103) on which the container weight acts becomes a lower part of the container support part (101), the container support part (101) can be made to have a more rigid configuration. Further, the side hole insertion portion (102b) of the side surface holding portion (102) is inclined toward the container (C) so that the angle (θ) formed with the outer portion (102a) is an obtuse angle. The side hole insertion portion (102b) can be easily inserted into the side hole of (C), and the replacement work of the container (C) is facilitated .

According to the fourth aspect of the present invention, when the container support portion (101) is in the equipped position of the container (C), the bottom surface holding portion (103) of the container support portion (101) is lowered toward the outside of the body. Since it becomes an inclination posture, the operation | work which mounts a container (C) to a container support part (101) becomes easy, and work efficiency improves .

It is a side view of the seedling transplanter concerning a first embodiment of the present invention. It is a top view of the seedling transplanting machine of FIG. It is a front view of the seedling transplanter of FIG. It is an enlarged front view of the container support part of the seedling transplanter of FIG. It is a perspective enlarged view of the bottom face holding part of the container support part of FIG. It is an enlarged front view of the container support part concerning 2nd embodiment of this invention. FIG. 2 is an enlarged plan view around a rolling actuator of the seedling transplanter of FIG. 1.

  Embodiments specifically configured based on the above technical idea will be described below with reference to the drawings. In the following description, the side on which the steering handle 2 is disposed is the rear, and the opposite side, that is, the side on which the engine 3 is disposed is the front. Then, the right hand side is set to the right and the left hand side is set to the left from the rear side to the front side.

  1 is a side view of the seedling transplanter according to the first embodiment of the present invention, FIG. 2 is a plan view of the seedling transplanter of FIG. 1, and FIG. 3 is a front view of the seedling transplanter of FIG. Show. In FIG. 3, those located behind the traveling vehicle body 4 such as the steering handle 2 are omitted.

  The seedling transplanting machine includes a traveling vehicle body 4 that allows the aircraft to travel forward, a steering handle 2 for walking control provided at the rear of the traveling vehicle body 4, a seedling planting device 5 for planting seedlings in a field, It is set as the structure provided with the seedling supply apparatus 6 which supplies a seedling to the seedling planting apparatus 5. FIG.

  In the illustrated example, the traveling vehicle body 4 is rotatably supported in front of the engine 3, a rear wheel 7 that is a pair of left and right drive wheels that are driven to rotate by transmission of the power of the engine 3, and the rear wheel 7. A pair of left and right front wheels 8 are provided.

  A mission case 9 is disposed on the rear side of the engine 3, and the mission case 9 has a case portion extending from the left side portion to the left side of the engine 3, and this is connected to the left side portion of the engine 3. The output shaft of the engine 3 enters the case portion and the power is transmitted to the transmission mechanism in the transmission case 9. A front portion of a transmission case 10 for traveling long in the front-rear direction is rotatably attached to the left and right side portions of the mission case 9. Specifically, an axle case 11 provided so as to be able to rotate integrally with the transmission case 10 is provided on the inner side of the front body of the transmission case 10 for traveling, and the axle case 11 is provided on both left and right sides of the transmission case 9. The transmission case 10 for traveling is attached to the left and right sides of the transmission case 9 so as to be rotatable. The axle case 11 is provided so that it can be expanded and contracted to the left and right according to the width of the heel. The rear wheel 7 is mounted on an axle 12 that protrudes toward the rear side of the transmission case 10 for traveling. The tip of the wheel drive shaft extending from the transmission case 9 to the left and right outer sides enters the rotational axis center position of the front part of the transmission case 10 and passes through the traveling part system transmission transmission part in the transmission case 9. Driving power is transmitted to the transmission mechanism in the transmission case 10. The power for traveling is transmitted to the axle 12 on the rear end side of the transmission case 10 via the transmission mechanism in the transmission case 10, and the rear wheel 7 is driven to rotate.

  The left and right rear wheels 7 can be disconnected by left and right side clutches (not shown) provided in the mission case 9. Therefore, when the vehicle is turned, the left and right rear wheels 7 on the inside of the turn can be turned in a non-driven state by the side clutch so that the vehicle can turn smoothly.

  The driving transmission case 10 is connected to driving means that rotates up and down so that the rear wheel 7 can be moved up and down using the front side of the transmission case 10 as a rotation fulcrum. Specifically, an upwardly extending arm 13 is integrally attached to the attachment portion of the transmission case 10 to the transmission case 9, and this is attached to the tip of the piston rod of the lifting hydraulic cylinder fixed to the transmission case 9. Connected to the left and right sides of the connected body. The left and right sides (right side) are connected by a rod, and the other side (left side) is connected by a rolling actuator 110 that is a hydraulic cylinder for left and right horizontal control that can be expanded and contracted according to the inclination of the airframe.

  When the lifting / lowering hydraulic cylinder is actuated and the piston rod protrudes rearward of the machine body, the left and right arms 13 are rotated forward, and accordingly, the transmission case 10 is rotated downward to raise the machine body. On the other hand, when the piston rod of the lifting hydraulic cylinder moves forward and retracts into the cylinder, the left and right arms 13 rotate forward, and accordingly, the transmission case 10 rotates upward, and the aircraft body Descends. The lifting hydraulic cylinder is actuated by a sensor 14 that contacts the heel surface and operates in accordance with a change in the vertical distance between the airframe and the heel surface. The operation of the sensor 14 is an operation for detecting the height of the heel surface relative to the airframe. Based on the detection operation of the sensor 14, the lifting hydraulic cylinder is operated so that the airframe is set to the set height with respect to the height of the heel surface. doing. In addition, the lifting hydraulic cylinder is operated so as to raise or lower the machine body by manual operation of the planting / lifting operation tool 15 arranged in the vicinity of the steering handle 2. The planting / lifting operation tool 15 is configured to be able to turn on / off the driving of the seedling planting device 5 and the seedling supply device 6.

  When the rolling actuator 110 expands and contracts, the left arm 13 connected to the rolling actuator 110 rotates to move only the left rear wheel 7 up and down to tilt the aircraft to the left and right. The rolling actuator 110 is configured to actuate the airframe horizontally from the left and right based on the detection result of the sensor that detects the left-right inclination of the airframe relative to the left-right horizontal.

  The left and right front wheels 8 are attached to the left and right sides of a horizontal frame 16 that is pivotally mounted around the axial center in the front-rear direction at the left and right center position below the engine 3, and the vertical frames 17 that are vertically long are attached to the side of the lower end. It is rotatably attached to an axle 18 fixed to the wheel. Therefore, the left and right front wheels 8 are capable of rolling around the longitudinal center of the left and right center of the aircraft. A vertical frame 17 is provided so as to be vertically adjustable with respect to the left and right side portions of the horizontal frame 16 so that the height of the front wheel 8 can be adjusted.

  The steering handle 2 is provided at the rear part of the fuselage and is located on the rear side of the fuselage with respect to the axle 12 of the rear wheel 7. Specifically, it is attached to the rear end portion of the body frame 19 with the front end portion fixed to the mission case 9. The body frame 19 extends rearward at the left and right center of the body, and extends obliquely rearward and upward from the front and rear intermediate portions. The steering handle 2 extends rearward from the rear end portion of the body frame 19 to the left and right, and each rear end portion serves as a grip portion 2 a of the steering handle 2. The left and right grip portions 2a of the steering handle 2 are set to an appropriate height so that the operator can easily grip the grip portion 2a with his / her hand. In the illustrated example, the grip portion 2a is divided into left and right parts, but the left and right rear end portions of the steering handle 2 may be connected to each other on the left and right sides, and the connecting portion may be used as the grip portion.

  In the traveling vehicle body 4, the traveling drive unit that is grounded and driven to rotate is configured as a four-wheel traveling drive unit including front and rear wheels, but may be configured as a crawler traveling drive unit. it can.

  The seedling planting device 5 has a beak-shaped seedling planting body 20 whose tip is directed downward, and a seedling planting body at a position where the lower end of the seedling planting body 20 is above the field scene and a position below the field scene. A vertically moving mechanism 21 that moves the 20 up and down; a closed state in which the lower end portion of the beak-like seedling planting body 20 is closed and a seedling is received from above and can be accommodated inside; An open / close mechanism that opens and closes the seedling planting body 20 in an open state in which the seedling that is opened and accommodated inside can be released downward, and the seedling supply device 6 receives a seedling from above and accommodates the seedling inside. The seedling container 22, a moving mechanism for moving the seedling container 22 so as to pass above the seedling planting body 20, and the bottom of the seedling container 22 is opened inside the seedling planting body 20 at an upper position. Drop the stored seedlings and put the seedlings on the seedling planting body 20 Comprising a seedling supply device 6 that includes a sheet to seedling dropping feeder.

  The seedling planting body 20 is attached to the vertical movement mechanism 21. The up-and-down moving mechanism 21 includes upper and lower lifting links having rear portions connected to the seedling planting body 20. And the up-and-down raising / lowering link is moved up and down with the motive power from the drive mechanism provided separately, and it has the structure which the right-and-left seedling planting body 20 moves up and down. The lower end portion of the seedling planting body 20 is positioned above the field scene at the ascending position of the vertical movement, and the lower end portion of the seedling planting body 20 is positioned below the field scene at the descending position. The open / close mechanism of the seedling planting body 20 is interlocked with the operation of the vertical movement mechanism 21, and when the seedling planting body 20 reaches the lowered lower end position, the lower side of the seedling planting body 20 is opened to the left and right and opened downward. When the seedling planting body 20 reaches the rising upper end position, the lower part side of the seedling planting body 20 is closed and closed.

  The seedling supply device 6 includes a plurality of seedling containers 22 that have a cylindrical body that opens up and down and a bottom lid that opens and closes an opening on the lower side of the cylindrical body, and that are connected in a loop. A moving mechanism for rotating the body 22 in a counterclockwise direction along an oval loop trajectory long to the left and right in plan view of the body while passing over the vicinity of the seedling planting body 20, and a bottom lid of the seedling container 22 This is a configuration in which an opening mechanism that opens at a position above the seedling planting body 20 is provided. This seedling supply device 6 has a cylindrical outer peripheral portion formed on the outer periphery of the seedling container 22 and has an engaging portion that is rotatably engaged with the cylindrical outer periphery from the outside. A plurality of connecting bodies to be connected are provided, and the engaging portion of the connecting body is rotatably engaged with the outer peripheral portion of the cylinder of the seedling container 22, and the adjacent seedling container 22 is rotated with the outer peripheral portion of the cylinder as a rotation axis. A plurality of seedling containers 22 are connected to each other so as to be freely connected. That is, it is the structure connected like an endless chain by the seedling container 22 and the connection body. As a result, the distance between the seedling container 22 and the seedling planting body 20 from the seedling container 22 does not change because the distance between the seedling container 22 and the adjacent seedling container 22 does not change. The seedling container 22 is less likely to be displaced with respect to the seedling planting body 20 at the location where the seedlings are supplied, so that the seedlings are properly supplied and the seedlings can be transplanted accurately. After setting the number of seedling containers 22 and the range of rotation, the upper opening of the seedling container 22 can be formed as wide as possible, and the seedling supply operation to the seedling container 22 is achieved while making the body compact. Can be performed as easily as possible.

  The seedling supply device 6 is rotated by engaging and winding seedling containers 22 connected to each other like endless chains on the arc-shaped cutouts on the outer periphery of the sprocket provided on the left and right, and driving the left and right sprockets. Thus, each seedling container 22 is configured to rotate around.

  The orbital movement path around which the seedling container 22 circulates includes a linear portion 28 extending in the left-right direction in plan view and an arc-shaped portion 29 that bends arcuately from the linear portion 28 to the front side or the rear side by a sprocket. It is circular and is arranged on the inner side of the aircraft from the left and right rear wheels 7. Further, the seedling planting body 20 is arranged on the rear side of the axle 12 position of the rear wheel 7.

  The timing at which the bottom cover of the seedling container 22 is opened is adjusted so that the seedling planting body 20 rises to just below the seedling container 22. Moreover, it replaces with the said structure, and when the seedling planting body 20 raises to just under the seedling container 22, the open | release operating member provided in the seedling planting body 20 is the seedling container 22 located above the seedling planting body 20. It is also possible to adopt a configuration in which the restriction means for restricting the opening of the bottom cover of the base is operated to release the restriction.

  In addition, the seedling transplanter is provided with soil covering pressure reducing wheels 37 for covering and suppressing the seedlings planted by the seedling planting body 20 at positions near both the left and right sides of the seedling planting location of each seedling planting body 20. The soil covering pressure reducing wheel 37 is a rolling wheel, and is a rotation of a soil covering pressure reducing wheel support frame 39 attached to an attachment member 25 fixed to the airframe so as to be rotatable up and down around a rotation fulcrum shaft 38 in the left and right direction. It is attached to the moving tip side (rear side). The soil covering pressure reducing wheel support frame 39 is constructed by appropriately bending a pipe frame. The lower end of the rod 40 extending in the vertical direction is connected to the rear end portion of the soil covering pressure reducing wheel support frame 39.

  The seedling transplanter 1 is provided with an operator seat 46 on which an operator sits so that an operator who supplies seedlings to the seedling supply device 6 can get on and perform seedling supply operations. Specifically, an operator seat 46 is disposed rearward at the center of the left and right sides of the machine body that is the front side of the seedling supply device 6. The operator sitting on the seat 46 is seated in a rearward-facing posture toward the front side portion of the seedling supply device 6, and in front of the front side portion of the seedling supply device 6, in particular, on the front side of the circulation path of the seedling container 22. A seedling replenishing operation is performed on the portion 28. In addition, the seedling transplanting machine of the first embodiment is a seedling supply device in which an operator stands and walks forward in front of the steering handle 2 provided on the rear side of the machine body at the rear side of the rear wheel 7 traveling in the groin groove. A work space W that enables the operation of replenishing seedlings is formed on the rear side portion of the seedling 6, and an operator standing in the work space W performs seedling replenishment work on the rear side portion of the seedling feeding device 6. You can also. In addition, a seat frame 47 extending in a substantially horizontal direction for mounting and supporting the seat 46 is provided, and the seat 46 is configured to be able to rotate rearward around a rear pivot point with respect to the seat frame 47, A fuel tank refueling cap 48 located in the vicinity of the seat frame 47 is in a lower position. As a result, when refueling the fuel tank, the seat 46 is rotated rearward, a replenishment tank for storing the fuel is placed in the seat frame 47, and the fuel tank is easily refilled with a manual pump or the like. be able to.

  Further, the seedling transplanting machine according to the first embodiment is configured so that the reflector 111 for the operator sitting on the seat 46 is positioned on the opposite side of the side where the seat 46 is located, with the seedling supply device 6 interposed therebetween, as in step 49. Alternatively, it is provided outside the step 49 in the lateral direction of the body. With such a configuration, an operator sitting on the seat 46 can view the state in front of the body through the space above the step 49 described later on the side of the seat 46 while making the seedling transplanter compact. It is possible to improve the field of view of the worker. As a result, the operation of turning around and checking the back can be omitted, and the work efficiency is improved.

  Steps 49 are provided on the rear side and the left and right sides of the worker seat 46. This step 49 extends from the position below the operator seat 46 to the position above the front wheel 8, that is, near the front end of the machine body as viewed from the side of the machine body. Therefore, the operator can get on and off the step 49 from the front of the body. The rear wheel 7 is a large-diameter wheel, and the front wheel 8 is a small-diameter wheel, and is provided so that the front side portion of the step 49 is located above the front wheel 8 of the small-diameter wheel in a side view of the body.

  On the outside of the machine body in step 49, a tank mounting table 105 including a liquid tank T supplied to the seedling planting device 5 is provided. The liquid is mainly irrigation supplied when the seedling planting device 5 plants seedlings, but includes liquid fertilizer and the like. Two tanks T can be mounted on the left and right sides, and the tank mounting table 105 and a container support 101 described later are arranged so as to overlap in plan view. The term “overlapping in plan view” includes a part of which overlaps.

  The seat 46 and the seedling supply device 6 are positioned forward and backward on the traveling vehicle body 4 of the seedling transplanter, and a step 49 and a tank mounting table 105 are provided in this order on the left and right sides of the seat 46. Since the container support portion 101 and the container support portion 101 are overlapped in plan view, the seedling transplanter can be configured in a compact manner while mounting a plurality of liquid agent tanks T. In addition, by providing the step 49 in the front-rear direction extending from the seedling supply device 6 to the front-rear end of the traveling vehicle body 4, the operator can get on and off easily.

  In FIG. 4, the enlarged front view of the container support part 101 of the seedling transplanter concerning 1st embodiment of this invention is shown. In FIG. 4, the container support part 101 with which the left side of the traveling body 2 was provided is shown.

  In the seedling transplanting machine for planting bare seedlings of leafy vegetable vegetables such as onions, the seedling is placed in a container C for seedling storage such as a container at the planting preparation stage, and the container is mounted on the container support 101 of the seedling transplanting machine Then, the worker directly supplies the seedling to the seedling supply unit 6 from this container. The container support portion 101 according to the first embodiment is provided on the outer side of the seat 46. The container support unit 101 includes a side surface holding unit 102 that holds the side surface of the container C and a bottom surface holding unit 103 that holds the bottom surface of the container. The side surface holding portion 102 and the bottom surface holding portion 103 are configured to be substantially vertical when viewed from the front. Then, by forming the bottom surface holding portion 103 in a flat plate shape having a downward inclination posture toward the worker side, the opening portion of the rectangular parallelepiped container C having an upper opening is inclined toward the worker side.

  By configuring the container support portion 101 with the side surface holding portion 102 that holds the side surface of the container C and the bottom surface holding portion 103 that holds the bottom surface of the container C, the weight of the container C is reduced by the flat bottom holding portion 103. It becomes the structure which receives, and the ratio which the container weight acts on the side surface hole of the container C decreases. As a result, the container C is less likely to be damaged. Moreover, since the bottom surface holding part 103 on which the container weight acts becomes a lower part of the container support part 101, the container support part 101 can be configured to be more rigid. In addition, since the container (C) is held in an inclined posture, it is easy for the operator to take out the seedling.

  The side surface holding part 102 is configured to distort one pipe frame so as to form an inverted U shape in a side view (see FIG. 1). The side surface holding portion 102 made of this pipe frame is bent halfway toward the operator side, and a portion below the bent portion is defined as an outer portion 102a extending upward along the side surface of the container C, and a portion above the bent portion. Is a side hole insertion portion 102b extending from the outer portion 102a. Before bending, the angle θ formed by the outer portion 102a and the side hole insertion portion 102b is 180 degrees. However, by bending, the angle θ formed by the side hole insertion portion 102b and the outer portion 102a becomes an obtuse angle. Configure. The side hole insertion portion 102b has a shape that can be inserted into a side hole provided for carrying a container C such as a container.

  FIG. 5 shows an enlarged perspective view of the bottom surface holding portion 103 of the container support portion 101. The bottom surface holding portion 103 has a flat plate shape, and includes a container bottom surface contact portion 103a having a flat top surface and a convex shape portion 103b that engages with a bottom surface concave portion of the container C. Note that the bottom recess can also be configured by a hole penetrating the bottom plate portion of the container C. The convex portion 103b prevents the container C from shifting downward. The bottom surface holding part 103 and the side surface holding part 102 are fixed by inserting a pipe frame into a notch provided in the container bottom surface contact part 103a and welding. In the first embodiment, the convex portion 103b is constituted by a bolt and a nut, and the bolt is inserted into a long hole provided in the container bottom surface contact portion 103a and fixed with a nut. The container C is fixed to the container C by the bolt screw portion protruding from the container bottom surface contact portion 103a being fitted into the hole provided on the bottom surface of the container C. In this case, the convex shape portion 103b can be freely changed to a position to be engaged with the bottom surface recess according to the shape of the bottom surface recess of the container C.

  The side hole insertion portion 102b of the side surface holding portion 102 is inclined toward the container C so that the angle formed with the outer portion 102a is an obtuse angle, so that the side hole can be easily inserted into the upper hole on the side surface of the container C. The part can be inserted, and the replacement work of the container becomes easy.

  In addition, the bottom surface holding portion 103 includes the container bottom surface contact portion 103a having a flat top surface and the convex shape portion 103b that engages with the bottom surface concave portion of the container C, whereby the container C is fixed to the container support portion 101. The container C becomes stable when the seedling transplanter is moved.

  Furthermore, since the position of the convex-shaped part 103b is variable, it can respond to the container C of a different form.

  A horizontal rotation bar 113 for fixing the pipe frame of the container support portion 101 is provided below the container support portion 101. The horizontal rotation bar 113 rotates around the vertical and vertical container rotation shaft 104. It is a movable configuration. The container support part 101 rotates between the work position (position shown in FIG. 2) when an operator supplies a seedling to the seedling supply device 6 and the equipment position where the container C is equipped on the seedling transplanter. Here, the equipment position refers to a position rotated 180 degrees around the container rotation shaft 104 from the position shown in FIG. 2. When the container support portion 101 is rotated to this position, the operator can easily get on and off. . At this time, the bottom surface holding portion 103 of the container support portion 101 is inclined downward toward the outside of the machine body.

  When the container support part 101 is in the equip position of the container C, the bottom surface holding part 103 of the container support part 101 is in a downward inclined posture toward the outside of the machine body, so that the container C is mounted on the container support part 101. Work becomes easy and work efficiency improves.

  FIG. 6 shows an enlarged front view of the container support portion 101 according to the second embodiment of the present invention. The container support part 101 of 2nd embodiment has two or more bottom face holding | maintenance parts 103, and makes any one of these bottom face holding | maintenance parts 103 detachable or change an attachment attitude | position. In FIG. 6, five side surface holding parts 103 are provided on the side surface holding part 102, and the second and fourth bottom surface holding parts 103 are changed from the top to the opposite side across the side surface holding part 102. The figure attached in the position removed from the upper direction of the other bottom face holding | maintenance part 103 is shown.

  By providing two or more bottom surface holding portions 103 on the top and bottom, and making any one of the bottom surface holding portions 103 detachable or changing the mounting posture, a plurality of containers C can be mounted on the top and bottom. Further, even when the size of the container C is changed according to the size of the seedling, the container C can be mounted using the same container support portion 101.

  FIG. 7 shows an enlarged plan view around the rolling actuator 110 of the seedling transplanter of FIG. In the seedling transplanting machine according to the first embodiment, the main clutch pedal 106 on which the operator who sits on the seat can operate the clutch for turning on and off the power of the seedling transplanting machine is on the step 49 and the left and right direction of the traveling machine body 2 Provided with a bias. At this time, a grommet 108 is provided between the pedal hole 107 and the main clutch pedal 106 in step 49 to reduce the vertical operation speed of the main clutch pedal 106 when the main clutch pedal 106 is depressed.

  By providing a grommet 108 between the main clutch pedal 106 and the pedal hole 107 for relaxing the vertical operation speed of the main clutch pedal 106, the operation load of the main clutch pedal 106 can be appropriately obtained, The main clutch pedal 106 can be operated at a speed.

  Further, by providing the main clutch pedal 106 in a biased direction in the left-right direction of the traveling machine body 2 on the step 49, an operator seated on the seat 46 provided at the center of the traveling vehicle body 2 can easily depress the main clutch pedal 106. Can be operated.

  The main clutch pedal 106 is connected to the clutch operating unit 112 below the step 49 by a connecting mechanism 109 that is a metal wire, and the clutch operating unit 112 is provided closer to the center of the traveling vehicle body 4 than the main clutch pedal 106. Therefore, the linkage mechanism 109 is disposed obliquely with respect to the longitudinal axis of the traveling vehicle body 4. The connecting mechanism 109 is positioned above the rolling actuator 110. The rolling actuator 110 is arranged near the center of the traveling vehicle body 4. By arranging in this way, interference between the linkage mechanism 109 and the rolling actuator 110 can be avoided, and the seedling transplanter can be configured in a compact manner. it can.

As another embodiment of the seedling transplanter, a recoil case (case that accommodates the recoil and cooling fan) at the end of the engine 3 has a hole with a diameter of about 2 [mm] made of punching metal or the like, and an opening ratio is 50 [%]. A member of a degree can be used. Thereby, while maintaining the air intake property into the recoil case, it is possible to prevent entry of dust including dead seedlings and seedling skins into the recoil case, and the cooling effect of the engine 3 can be maintained as desired. In addition, a filter can be provided outside (or above) the recoil case. Intrusion of dust can be prevented by providing a finer filter than the intake slit. Note that the filter is preferably detachable.
<Appendix>
The invention described in the scope of claims of the present application and its effects are as follows.
(A) Invention according to the scope of claims as originally filed [1]
In a seedling transplanter provided with a container support part (101) for supporting a rectangular parallelepiped container (C) for accommodating a transplant,
The container support part (101) is composed of a side surface holding part (102) for holding the side surface of the container (C) and a bottom surface holding part (103) for holding the bottom surface of the container (C),
A seedling transplanting machine in which the bottom surface holding portion (103) has a flat plate shape in a downward inclined posture toward the worker side.
[2]
The side surface holding portion (102) is
An outer portion (102a) extending upward along the side surface of the container (C);
It is composed of a side hole insertion portion (102b) extending from the outer portion (102a),
This side hole insertion portion (102b)
Inclined to the container (C) side so that the angle (θ) made with the outer part (102a) is an obtuse angle, and inserted into the hole at the upper side of the container (C),
The bottom surface holding portion (103) is
A container bottom contact portion (103a) having a flat top surface;
The seedling transplanting machine according to [1], which includes a convex portion (103b) that engages with a bottom concave portion of the container (C).
[3]
The seedling transplanter according to [2], wherein the position of the convex portion (103b) is variable.
[4]
The container support (101)
Working position when the worker supplies seedlings to the seedling supply device (6),
Between the equipment position where the container (C) is equipped on a seedling transplanter,
It can be rotated around the container rotation axis (104) in the vertical direction,
When the container support (101) is in the equipment position,
The seedling transplanter according to [2] or [3], wherein the bottom surface holding part (103) of the container support part (101) is in a downward inclined posture toward the outside of the machine body.
[5]
In the container support (101),
Two or more bottom surface holding portions (103) are provided on the upper and lower sides,
The seedling transplanter according to any one of [1] to [4], wherein any one of the bottom surface holding portions (103) can be attached and detached or the mounting posture can be changed.
[6]
In the traveling vehicle body (4), a seat (46) on which an operator is seated and a seedling supply device (6) for supplying the transplant to the seedling planting device (5) are positioned forward and backward,
On the left and right sides of the seat (46),
A step (49) in the front-rear direction extending from the seedling supply device (6) to any one of the front and rear ends of the traveling vehicle body is provided,
Furthermore, a tank mounting table (105) for placing a liquid tank (T) to be supplied to the seedling planting device (5) is provided outside the machine body of this step (49),
The seedling transplanter according to any one of [1] to [5], wherein the tank mounting table (105) and the container support portion (101) overlap in plan view.
[7]
A main clutch pedal (106) operated by an operator seated on the seat (46) is provided in a biased direction in the left-right direction of the traveling vehicle body (4) on the step (49), and
Between the main clutch pedal (106) and the pedal hole (107) provided in the step (49), a grommet (108) for reducing the operation speed of the main clutch pedal (106) is provided, and further, A clutch operation unit (112) linked by a linkage mechanism (109) with the main clutch pedal (106) is below the step (49),
Provided closer to the left and right center of the traveling vehicle body (4) than the main clutch pedal (106),
A rolling actuator (110) that moves one of the left and right traveling wheels up and down relative to the other is below the step and is higher on the clutch operating portion (112) side than the main clutch pedal (106) side. It is provided with a front and back inclined posture,
The seedling transplanter according to [6], wherein the linkage mechanism (109) is positioned above the rolling actuator (110).
[8]
Reflector (111) for the operator sitting on the seat (46),
The seedling transplanter according to [6] or [7], which is provided on the opposite side to the side where the seat (46) is located with the seedling supply device (6) interposed therebetween.
(B) Effects of the invention described in the claims at the beginning of the application According to the invention described in [1], the container support portion (101) is connected to the side surface holding portion (102) that holds the side surface of the container (C). And a bottom surface holding portion (103) for holding the bottom surface of the container (C), and the bottom surface holding portion (103) has a flat plate shape inclined downward toward the worker side. 103) receives the weight of the container (C), and the proportion of the weight of the container acting on the side hole of the container (C) is reduced. This reduces the damage to the container (C). Moreover, since the bottom surface holding part (103) on which the container weight acts becomes a lower part of the container support part (101), the container support part (101) can be made to have a more rigid configuration. In addition, since the container (C) is held in an inclined posture, it is easy for the operator to take out the seedling.

  According to the invention described in [2], in addition to the effect of the invention described in [1], an angle formed between the side hole insertion portion (102b) of the side surface holding portion (102) and the outer portion (102a) is set. By inclining to the container (C) side so as to have an obtuse angle, the side hole insertion portion can be easily inserted into the hole in the upper part of the side surface of the container (C), and the container replacement operation is facilitated.

  Further, the bottom surface holding portion (103) is constituted by a container bottom surface contact portion (103a) having a flat top surface and a convex shape portion (103b) that engages with a bottom surface concave portion of the container (C). C) is firmly fixed to the container support portion (101), and the container (C) is stabilized when the seedling transplanter is moved.

  According to the invention described in [3], in addition to the effect of the invention described in [2], the position of the convex portion (103b) is variable, so that it is possible to deal with different types of containers (C).

  According to the invention described in [4], in addition to the effects of the invention described in [2] or [3], when the container support (101) is in the equipped position of the container (C), the container support ( Since the bottom surface holding part (103) of 101) is in a downwardly inclined posture toward the outside of the machine body, the work of mounting the container (C) on the container support part (101) is facilitated, and the work efficiency is improved. .

  According to the invention described in [5], in addition to the effect of the invention described in any one of [1] to [4], two or more bottom surface holding portions (103) are provided above and below, and any one of these bottom surfaces is provided. By making the holding part (103) detachable or changing the mounting posture, a plurality of containers (C) can be mounted up and down, and the size of the container (C) can be adjusted according to the size of the seedling. Even if it changes, a container (C) can be mounted | worn using the same container support part (101).

  According to the invention described in [6], in addition to the effect of the invention described in any one of [1] to [5], the seat (46) and the seedling supply device ( 6) is positioned forward and backward, and a step (49) and a tank mounting table (105) are provided in this order on the left and right sides of the seat (46). The tank mounting table (105) and the container support (101) )) In a plan view, it is easy to get on and off from the front end of the fuselage or the rear end of the fuselage. For example, a plurality of liquid tanks (T) can be placed side by side, The number of times of replenishment can be reduced, and the liquid agent tank (T) can be arranged close to the planting device (5), so that the liquid agent spraying device can be made compact and the spraying performance can be improved. And a seedling transplanter can be constituted compactly.

  According to the invention described in [7], in addition to the effect of the invention described in [6], the main clutch pedal (106) is provided between the main clutch pedal (106) and the pedal hole (107). By providing the grommet (108) that reduces the vertical operation speed, the operation load of the main clutch pedal (106) can be appropriately obtained, and the main clutch pedal (106) can be operated at an appropriate speed.

  In addition, the main clutch pedal (106) is biased in the left and right direction of the traveling vehicle body (2) on the step (49), so that the seat (46) provided at the center of the left and right of the traveling vehicle body (2) is seated. Can easily operate the main clutch pedal (106) with his / her foot.

  In addition, the clutch operating part (112) is provided closer to the left and right center of the traveling machine body (2) than the main clutch pedal (106), and the linkage mechanism (109) is located above the rolling actuator (110). With the configuration, interference between the linkage mechanism (109) and the rolling actuator (110) can be avoided, and the seedling transplanter can be configured in a compact manner.

  According to the invention described in [8], in addition to the effects of the invention described in [6] or [7], the reflector (111) for the worker is placed on the seat ( 46) By providing it on the side opposite to the side, it is possible to improve the field of view of the operator while having a compact configuration. As a result, the operation of turning around and checking the back can be omitted, and the work efficiency is improved.

DESCRIPTION OF SYMBOLS 1 Seedling transplanter 4 Traveling vehicle body 5 Seedling planting device 6 Seedling supply device 46 Seat 49 Step 101 Container support part 102 Side surface holding part 102a Outer part 102b Side hole insertion part 103 Bottom surface holding part 103a Container bottom surface contact part 103b Convex shape part 104 Container rotation shaft 105 Tank mounting table 106 Main clutch pedal 107 Pedal hole 108 Grommet 109 Linking mechanism 110 Rolling actuator 111 Reflecting mirror 112 Main clutch operation part C Container T Tank θ Angle formed by the side hole insertion portion with the outer portion

Claims (4)

A reflector (for a worker who sits on the seat (46)) is arranged in the front and rear, a seat (46) on which an operator sits and a seedling supply device (6) for supplying the transplant to the seedling planting device (5). 111) is provided on the side opposite to the side where the seat (46) is located across the seedling supply device (6) . The seat (46) is arranged on the front side of the seedling supply device (6) and is configured such that an operator is seated in a rearward posture toward the seedling supply device (6). Step (49) is extended over the vicinity of the front end, and the reflecting mirror (111) is placed on the rear side of the seedling supply device (6) and at the same left-right position as step (49) or outside the body left-right direction than step (49). The seedling transplanter according to claim 1 arranged at a position . A container support part (101) for supporting a rectangular parallelepiped container (C) for accommodating the implant, and the container support part (101), the side surface holding part (102) for holding the side surface of the container (C); A bottom surface holding portion (103) for holding the bottom surface of the container (C), and the side surface holding portion (102) includes an outer portion (102a) extending upward along the side surface of the container (C); The side hole insertion portion (102b) extends from the outer portion (102a), and the side hole insertion portion (102b) has an obtuse angle (θ) with the outer portion (102a). The seedling transplanter according to claim 1 or 2, wherein the seedling transplanter is configured to be inclined toward the container (C) and inserted into a hole on a side surface of the container (C) . The container support part (101) which supports the rectangular parallelepiped container (C) which accommodates a transplant is provided, and the operation position when an operator supplies a seedling to a seedling supply apparatus (6) is provided. When the container support part (101) is in the equipment position, the container support part (101) is in the equipment position. The seedling transplanter according to any one of claims 1 to 3, wherein the bottom surface holding portion (103) of the container support portion (101) is configured to be inclined downward toward the outside of the machine body .

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