JP4867193B2 - Seedling transplanter - Google Patents

Description

  The present invention relates to a seedling transplanter provided with a seedling planting body for planting seedlings in a field.

Conventionally, as shown in Patent Document 1 below, a traveling vehicle body including a pair of rotatable left and right front wheels and a pair of left and right drive wheels movable up and down on the rear side of the front wheels, and provided at the rear portion of the traveling vehicle body A steering handle for walking control, a seedling planting body for planting seedlings in a field, a seedling supply device for supplying seedlings to the seedling planting body, and a worker who performs work for supplying seedlings to the seedling feeding device sit There is a seedling transplanter with a worker seat.
JP 2004-33009 A

  In the seedling transplanting machine described in Patent Document 1, the operator's seat is arranged in the vicinity of the rear side of the seedling supply device. Therefore, when the machine body travels forward to perform seedling planting work, the worker sitting on the operator's seat faces the front with respect to the machine body traveling direction and performs seedling supply work to the seedling supply device. Therefore, the operator can easily grasp where the aircraft is traveling on the field, and can appropriately operate the aircraft such as stopping traveling at the field end, so that the operator can get on safely. However, since the planting state of the seedlings planted in the farm field behind the machine body cannot be easily confirmed while performing the seedling replenishment work, it is not possible to quickly cope with an inappropriate planting state.

  Moreover, since the seedling transplanter described in the above-mentioned Patent Document 1 has the operator seat disposed behind the front wheels and the drive wheels and supported by the rear part of the aircraft frame, The side is easy to lift, so the aircraft is in a back-down position and the seedling falls back or the planting depth becomes too deep. May end up.

  Therefore, an object of the present invention is to provide an operator seat so that an operator can get on and supply seedlings to the seedling supply device, and the steering can be controlled even in the operator seat, and the body is compact. It is to provide a seedling transplanting machine configured as a simple walking maneuvering type.

 The above-mentioned problem of the present invention is solved by the following means.

The invention described in claim 1 includes a traveling vehicle body including an engine (5), a pair of left and right front wheels (7), and a pair of left and right rear wheels (6), and a beak-like seedling planting body (25) whose tip is directed downward. A seedling planting device (3) for planting seedlings in a field, a seedling feeding device (4) for feeding seedlings to the seedling planting device (3), and replenishing seedlings to the seedling feeding device (4) In a seedling transplanter provided with an operator seat (70) on which an operator who performs the operation to perform is provided, a handle (2) for gripping the vehicle body in a dismounted state at the rear end of the traveling vehicle body and steering the aircraft is provided. A step (71) for getting on and off the worker seat (70) is provided at the front end of the traveling vehicle body, and the worker seat (70) is disposed in the vicinity of the front side of the seedling supply device (4), A seedling supply device while an operator stands and walks forward on the rear side of the handle (2) on the rear side of the rear wheel (6) Seedlings on the side after 4) to form a working space that allows work to be supplied (W), a lateral direction inside the ring (6) after the previous SL pair and rear wheels in the fuselage side view axle (6) (10) tank support base in the vicinity (76) is provided, said mounting planting material tank (T) for storing water for irrigation (25) to the tank support base (76) on An irrigation hose (21) for supplying irrigation water from the tank (T) to the seedling planting body (25) is provided, and the axle (17) of the pair of left and right front wheels (7) and the rear of the pair of left and right A connecting frame (73) for connecting the axle (10) of the wheel (6) is provided so as to be rotatable with respect to the axle (17) of the front wheel (7) and the axle (10) of the rear wheel (6). (73) is configured to support the operator seat (70), and the tank support (76) is connected to the connecting frame. A seedling transplantation machine fixed on a support member fixed to the over arm (73).

The invention according to claim 2 replenishes the seedling supply device (4) in the vicinity of the operator seat (70) and above the axle (10) of the rear wheel (6) in a side view of the body. The seedling transplanting machine according to claim 1, further comprising a container support portion that supports a container (D) capable of accommodating a seedling.
According to a third aspect of the present invention, the front wheel (7) is a wheel having a smaller diameter than the rear wheel (6), and the step (71) is arranged from the position below the operator seat (70) to the front wheel ( A transmission mechanism for transmitting the power from the engine (5) to the rear wheel (6), provided so that the front portion of the step (71) is located over the upper position of 7) and above the front wheel (7). A transmission case (8) is provided, and a front part of a traveling transmission case (9) having a longitudinal direction in the longitudinal direction is attached to the left and right ends of the transmission case (8) so as to be rotatable. 9) The rear wheel (6) is mounted on the rear part, and the rear wheel (6) is moved up and down with the mounting position of the transmission case (9) to the transmission case (8) as a rotation fulcrum (X). Rotating configuration, the operator seat (70) in front A traveling transmission case between the axle (17) of (7) and the axle (10) of the rear wheel (6) and partially overlapping the rear wheel (6) in a side view of the fuselage. A plurality of the left and right seedling supply devices (4) are provided above the rotation fulcrum (X) of (9), and a plurality of seedlings are received by the seedling supply device (4) from above to accommodate seedlings inside. Seedling container (29) and a moving mechanism (30) for rotating a plurality of seedling containers (29) around an elliptical loop trajectory that is long in the front-rear direction around two axes (51) provided in the front-rear direction. ) And an opening mechanism (31) for opening the bottom of the seedling container (29) and dropping the seedling stored inside to supply seedlings to the seedling planting body (25). 70) is provided right pair, and capable of seating arranged left and right of the worker seat (70) in the lateral direction inward position A seedling transplantation machine according to claim 1 or 2.

The effect of the invention according to claim 1 is that when moving on the road using a seedling transplanter, or when working while walking, the rear handle (2) is held and the operation is performed while facing forward. It is possible and is easy to operate. An operator sitting on the seat (70) can replenish seedlings on the front side of the seedling supply device (4), and an operator standing in the work space (W) places seedlings on the rear side of the seedling supply device (4). Can be replenished.
Further, a tank support stand (T) for storing water for irrigation is provided on the inner side in the left-right direction of the left and right rear wheels (6) and in the vicinity of the axle (10) of the rear wheel (6) in a side view of the body. 76) Since water for irrigation can be supplied from the tank (T) to the seedling planting body (25) via the irrigation hose (21), it can be irrigated simultaneously with planting of the seedling.

And by supporting the operator's seat (70) by the connecting frame (73) that connects the axle (17) of the front wheel (7) and the axle (10) of the rear wheel (6), the rear wheel (6) The posture can be maintained so that the operator's seat (70) does not tilt back and forth even when it is moved up and down.
Further, the effect of the invention of claim 2, wherein in addition to the effects of the invention of claim 1 Symbol placement, the axle of the rear wheel (6) in the fuselage side view a vicinity of the operator's seat (70) (10) A container (D) capable of accommodating seedlings to be replenished to the seedling supply device (4) can be installed at an upper position.
Furthermore, the effect of the invention of claim 3, wherein in addition to the effects of the invention according to claim 1 or 2, the operator who is in the operator seat (70) can get off to the front wheels (7) side. And the operator who sits on a seat (70) can sit in the posture toward the inner side in the left-right direction toward the seedling supply device (4), and can supply seedlings to the front side portion of the seedling supply device (4).

  A seedling transplanter as an embodiment of the present invention will be described below. 1 is a side view of a seedling transplanter, FIG. 2 is a plan view showing an upper part of the machine body, and FIG. 3 is a plan view showing a lower part of the machine body. In the following description, the left and right directions are referred to as left and right, respectively, in the direction in which the seedling transplanter advances, and 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 5 is disposed. Before.

The seedling transplanting machine of this example includes a traveling vehicle body 1 that allows the aircraft to travel forward, a steering handle 2 for walking control provided at the rear of the traveling vehicle body 1, and a seedling planting device 3 for planting seedlings in a farm field. The seedling planting apparatus 3 includes a seedling supply apparatus 4 that supplies seedlings.
In the illustrated example, the traveling vehicle body 1 rolls forward in front of the engine 5, rear wheels 6 and 6 that are a pair of left and right drive wheels that are driven and rotated by transmission of the power of the engine 5, and the rear wheels 6 and 6. A pair of left and right front wheels 7, 7 that are freely supported are provided.

  A mission case 8 is disposed at the rear of the engine 5, and the mission case 8 has a case portion extending from the left side portion to the left side of the engine 5, and this is connected to the left side portion of the engine 5. The output shaft of the engine 5 enters the case portion and the power is transmitted to the transmission mechanism in the transmission case 8. On the left and right sides of the transmission case 8, the front portions of the transmission cases 9, 9 that are long in the front-rear direction are rotatably attached. Specifically, axle cases 9a and 9a provided so as to be rotatable integrally with the transmission cases 9 and 9 are provided on the inner side of the front body of the traveling transmission cases 9 and 9, and the axle cases 9a and 9a are provided. The transmission case 9, 9 is attached to the left and right sides of the mission case 8 so as to be rotatable. The rear wheels 6 and 6 are mounted on the axles 10 and 10 that protrude toward the rear side of the traveling transmission cases 9 and 9. The tip of the wheel drive shaft extended from the transmission case 8 to the left and right outwards enters the rotational axis X position of the front part of the transmission cases 9, 9. The traveling power passing through the section is transmitted to the transmission mechanism in the transmission cases 9 and 9. The traveling power is transmitted to the axles 10 and 10 on the rear end side of the transmission cases 9 and 9 via the transmission mechanism in the transmission cases 9 and 9, and the rear wheels 6 and 6 are driven to rotate. ing. Axle cases 9a and 9a are provided so that they can be expanded and contracted to the left and right according to the width of the collar. Further, in order to support the axle cases 9a and 9a, the support frames 9b and 9b are fixed to the transmission case 8 in a state of being substantially parallel to the axle cases 9a and 9a, and are attached to the outer ends of the support frames 9b and 9b. The outer portions of the axle cases 9a, 9a are rotatably supported by the fixed support plates 9c, 9c.

  The traveling transmission cases 9 and 9 are connected to driving means for rotating up and down so that the rear wheels 6 and 6 are moved up and down using the front side of the transmission cases 9 and 9 as a rotation fulcrum. Specifically, the upper and lower arms 11, 11 are integrally attached to the attachment portions of the transmission cases 9, 9 to the transmission case 8, and the lifting hydraulic cylinder 12 is fixed to the transmission case 8. It is connected to the left and right sides of the connecting body 13 attached to the tip of the piston rod. The left and right sides (right side) are connected by a rod 14, and the other side (left side) is connected by a left / right horizontal control hydraulic cylinder 15 that can be expanded and contracted according to the inclination of the airframe.

  When the elevating hydraulic cylinder 12 is actuated and the piston rod projects rearward, the left and right arms 11 and 11 are rotated rearward, and the transmission cases 9 and 9 are rotated downward accordingly. Rises. On the other hand, when the piston rod of the lifting hydraulic cylinder 12 moves forward and retracts into the cylinder, the left and right arms 11 and 11 rotate forward, and the transmission cases 9 and 9 rotate upward accordingly. The aircraft moves down. This lifting hydraulic cylinder 12 is actuated by a sensor S that contacts the saddle surface and operates in accordance with fluctuations in the vertical distance between the airframe and the saddle surface. The operation of the sensor S is an operation for detecting the height of the heel surface relative to the airframe. Based on the detection operation of the sensor S, the elevating hydraulic cylinder 12 is operated so that the airframe is at a set height with respect to the height of the heel surface. It is composed. Further, the lifting hydraulic cylinder 12 is operated so as to raise or lower the airframe by human operation of the operating tool L arranged in the vicinity of the steering handle 2.

  Further, when the left / right horizontal control hydraulic cylinder 15 is extended and contracted, the left arm 11 connected to the left / right horizontal control hydraulic cylinder 15 is rotated to make the left rear wheel 6 and the right rear wheel 6 different from each other. Raise the aircraft to the left and right. The left / right horizontal control hydraulic cylinder 15 is configured to operate so that the airframe is horizontally horizontal based on a detection result of a sensor that detects the right / left inclination of the airframe relative to the left / right horizontal.

FIG. 4 shows a hydraulic circuit of the lifting hydraulic cylinder 12 of the machine body and the horizontal control hydraulic cylinder 15 for rolling the machine body of this embodiment.
A switching valve 68 is provided in the hydraulic circuit of FIG. 4, and a throttle 69 is provided in the lowering circuit in the switching valve 68, and the transmission case 9 is lowered by the pressure loss. Thus, during normal operation, the switching valve is cut off the hydraulic flow path passing through the switching valve 68 as shown in FIG. 4, and the lifting hydraulic cylinder 12 is normally used as a single-acting cylinder. On the other hand, at the time of tread adjustment, the switching valve 68 is moved to flow oil to the left chamber side of the horizontal control hydraulic cylinder 15 and to send oil to the lower side of the lifting hydraulic cylinder 12. At that time, the oil returns to the tank, but since there is a throttle, pressure (pressure that lowers the transmission case 9) is applied only by the pressure loss, and the horizontal control hydraulic cylinder 15 can be used as a double-action cylinder.

  The left and right front wheels 7 and 7 are provided with vertically long vertical frames 16a and 16a on left and right side portions of a horizontal frame 16 which is rotatably mounted around an axial center in the front-rear direction at a left and right central position below the engine 5, It is rotatably attached to axles 17 and 17 fixed to the side of the lower end. Accordingly, the left and right front wheels 7 and 7 are capable of rolling around the axial center Y in the front-rear direction at the center of the left and right of the aircraft. Vertical frames 16a and 16a are provided on the left and right sides of the horizontal frame 16 so as to be vertically adjustable so that the height of the front wheels 7 and 7 can be adjusted.

  The steering handle 2 is provided at the rear of the fuselage, and is located behind the axles 10 and 10 of the rear wheels 6 and 6. Specifically, it is attached to the rear end portion of the body frame 2b with the front end portion fixed to the mission case 8. The airframe frame 2b is disposed at a position deviated from the right and left center of the airframe to the right side and extends rearward, and extends obliquely rearward and upward from the front and rear intermediate portion. The steering handle 2 extends rearward from the rear end portion of the body frame 2b to the left and right, and the rear end portions thereof serve as grip portions 2a and 2a of the steering handle 2. The left and right grip portions 2a, 2a of the steering handle 2 are set to an appropriate height so that the operator can easily grip the grip portions 2a, 2a with hands. In the example shown in the figure, the grip portions 2a, 2a are divided into left and right, but the left and right rear end portions of the steering handle 2 may be connected to each other left and right, and the connecting portion may be used as the grip portion.

  The traveling vehicle body 1 is configured to have a four-wheel traveling drive unit having front and rear wheels as a traveling drive unit that is grounded and driven to rotate, but may be configured to have a crawler traveling drive unit. it can.

  The operator can hold the handle 2 provided at the rear end of the machine body in the state of getting off and lift the front of the machine body to turn the machine body, but the seedling transplanter of this embodiment is a step 71L for the operator to get on and off. , 71R is also provided with a front handle 20 for gripping and steering the aircraft in a state where the operator gets off. The front handle 20 is located in front of the front wheel 7 in plan view.

  As described above, since the handles 20 and 2 are provided at the front and rear, when the body is steered at the end (farm end) of the farm field, the operator in the worker seat 70 gets off the vehicle and immediately returns to the front pair. Can be operated by gripping the handles 20, 20. In addition, when moving on the road or when working while walking, the operator can operate while holding the handle 2 on the rear side and facing forward, and the operability is good.

  Further, since the grip portion of the front handle 20 is located at the front position of the front wheel 7 traveling in the grooving, the operator who gets off can grasp the front handle 20 at the grooving position and can operate the handle without breaking the heel. . In addition, each handle | steering-wheel 20 and 20 of a pair of handle | steering-wheel 20 can be operated by another two persons, respectively, and a seedling transplanter can be lifted and turned.

  Further, since the side clutch lever 19 is disposed in the vicinity of the grip portion of the front handle 20, the side clutch inside the turning can be disconnected on the front handle 20 side during turning.

In FIG. 5, the side view of the seedling planting apparatus 3 and the seedling supply apparatus 4 part is shown.
The seedling planting device 3 has a beak-shaped seedling planting body 25 whose tip is directed downward, and a seedling planting body 25 at a position where the lower end of the seedling planting body 25 is above the field scene and a position below the field scene. Up and down movement mechanism 26, the lower end of the beak-like seedling planting body 25 is closed, the closed state in which the seedling is received from above and the seedling can be accommodated inside, and the lower end of the seedling planting body 25 is opened back and forth And an open / close mechanism 27 that opens and closes the seedling planting body 25 in an open state in which the seedling accommodated inside can be released downward, and the seedling supply device 4 receives a seedling from above and stores a plurality of seedlings inside. A container 29, a moving mechanism 30 that moves the seedling container 29 so as to pass above the seedling planting body 25, and a bottom part of the seedling container 29 is opened at an upper position of the seedling planting body 25 to the inside. Drop the stored seedling into the seedling planting body 25 Obtain Bei the opening mechanism 31 for supplying a.

  The seedling planting device 3 has a configuration of a plurality of strips in which a plurality of seedling planting bodies 25 are arranged side by side at set intervals. In this example, it is set as the structure of the four row planting which arrange | positioned the seedling planting body 25 side by side with the set space | interval at 4 set intervals.

  The four seedling planting bodies 25 are mounted on the vertical movement mechanisms 26 and 26 provided on both left and right sides of the transmission case 28 mounted on the upper part of the mounting member 32 whose lower part is fixed to the body frame 2b. . The rear ends of the left and right arm portions 25Fa, 25Fa ... extending rearward at the upper part of the front seedling planting body 25F ... of the beak-like seedling planting body 25 ... whose tip is directed downwards are rear seedling planting body support shafts 34. Are attached to the front seedling planting support shaft 33 so that the front end portions of the left and right arm portions 25Ra, 25Ra,... In the front and rear intermediate portions of the arm portions 25Fa, 25Fa ... of the body 25F ... and the arm portions 25Ra, 25Ra ... of the rear seedling planting body 25R ..., the lateral pins 25a, 25a ... provided on the one arm portion are connected to the other side. .. Are engaged in the left and right elongated holes 25b, 25b... Provided in the side arm portion. The left and right ends of the front and rear seedling planting body support shafts 33 and 34 are connected by connecting members 35 and 35. The left and right intermediate portions of the front and rear seedling planting body support shafts 33 and 34 are connected to a cylindrical seedling guide 37 that guides the seedlings into the seedling planting body 25 via seedling guide connecting members 36 and 36, respectively. . Further, the left and right seedling guides 37, 37 are provided with connecting members 38, 38 detachably and integrally attached between the left and right sides, and the left and right seedling guides are connected via the connecting members 38, 38. It connects with the connection members 39 and 39 arrange | positioned between the left and right of 37 and 37. FIG. The connecting members 39, 39 connect the tip ends of the upper and lower lift links 40 a, 40 b of the vertical movement mechanism 26 vertically. When the arm portions 25Ra and 25Ra of the rear seedling planting body 25R are rotated upward around the front seedling planting body support shaft 33, the arms 25Fa and 25Fa of the front seedling planting body 25F are connected by the pins 25a and 25a. And the front seedling planting body 25F... Moves forward by the rotation around the rear seedling planting support shaft 34, and the rear seedling planting body 25R. As a result, the lower side of the seedling planting bodies 25 opens back and forth and opens downward. Moreover, the lower part side of the seedling planting body 25 ... opened back and forth is closed by the reverse operation.

  The seedling guide 37 is a cylindrical body that guides the seedling supplied from the seedling supply device 4 into the seedling planting body 25, and an upper guide 37 a that extends downward from the seedling dropping portion of the seedling supply device 4. Is provided. Thereby, even if the seedling planting body is located at a position shifted from the lower part of the seedling dropping part of the seedling feeding device 4, the seedling dropped and fed from the seedling feeding device 4 can be accurately fed into the seedling planting body 25. .

  The vertical movement mechanisms 26 of the seedling planting bodies 25 are provided on the left and right sides of the transmission case 28. Specifically, a mounting member 32 is erected on the machine body frame 2b, and a front portion is mounted on a shaft protruding from the left and right sides of a transmission case 28 fixed to the upper portion of the mounting member 32 so as to be vertically rotatable. Upper and lower elevating links 40a and 40b, the rear part of which is connected to the seedling planting body 25, a drive shaft 41 that rotates from the side of the transmission case 28, and one end of the drive shaft 41 at one end. The driving arm 42 is attached so as to rotate integrally, and the interlocking arm 42a is rotatably connected to the rotating outer peripheral end of the driving arm 42 and the upper lifting link 40a. Then, the rear end portions of the upper and lower lifting links 40a and 40b are rotatably attached to a connecting member 39 attached in the vicinity of the left and right intermediate portions of the seedling planting body support shafts 33 and 34. The elevating links 40a and 40b, the transmission case 28, and the connecting member 39 are provided so as to form a link mechanism. Accordingly, when the drive arm 42 is driven and rotated by the rotation of the drive shaft 41, the elevating links 40a and 40b move up and down about the two shafts 40aS and 40bS provided on the left and right side portions of the transmission case 28, and the left and right The seedling planting body 25 ... moves up and down. The lower end portion of the seedling planting body 25 is positioned above the field scene at the ascending position of the vertical movement, and the lower end portion of the seedling planting body 25 is positioned below the field scene at the descending position.

  Further, in this seedling transplanting machine, the vertical movement mechanism 26 for raising and lowering the seedling planting bodies 25... Is moved up and down around the first shaft 40aS, and the first raising and lowering link 40a below the first raising and lowering link 40a. The second elevating link 40b provided so as to be movable up and down around the biaxial axis 40bS, and a connecting member 39 for connecting the first elevating link 40a and the respective leading ends of the second elevating link 40b, and the connecting member 39 and the seedling The planted bodies 25 are connected to move the seedling planted bodies 25 up and down, and the first shaft 40aS is rotated at the tip of the rotating shaft 40aR driven by the power transmitted through the transmission mechanism in the transmission case 28. The shaft is formed in an eccentric state, and is configured to be rotationally driven around the axis of the rotation shaft 40aR as a radius by the rotation of the rotation shaft 40aR, and during the lifting drive of the first lifting link 40a rotation 40aR is configured to tilt back and forth planting body 25 during its lifting movement by the rotatably driven. And the attitude | position at the time of the raising of the raising / lowering locus | trajectory upper part of the seedling planting body 25 ... is set so that it may become a forward-facing attitude | position with a lower part rearward from an upper part with respect to an upright attitude | position. Moreover, the posture when the seedling planting body 25 is lowered is set to be a backward posture with the lower portion being forward of the upper portion with respect to the upright posture, and the posture is changed from the backward posture to the forward posture at the lower end position. The seedling planting body 25 is set so that the posture when the seedling planting body 25 is ascending is a forward-facing posture in which the lower portion is rearward of the upper portion with respect to the upright posture.

  The open / close mechanism 27 of the seedling planting body 25 is provided with a tip of an open / close arm 25Rb extending rearward at the upper part of the rear seedling planting body 25R, while the upper lifting link is provided on the upper side. An operating arm 44 pivotally attached to a shaft pivotally attached to the base of 40a is provided, and the distal end of the operating arm 44 is connected by a connecting rod 45 whose length can be adjusted. During the drive rotation of the drive shaft 41, the cam 46 attached so as to rotate integrally with the drive shaft 41 receives the action of the cam 46 so as to move upward with respect to the seedling planting body 25 at a set timing. . As a result, when the drive shaft 41 is driven to rotate and the seedling planting bodies 25 move up and down, the operating arm 44 also rotates up and down together with the seedling planting bodies 25 and reaches the lower end position of the seedling planting body 25. The operating arm 44 moves upward with respect to the seedling planting body 25... By the change in the operation position of the cam 46, whereby the rear seedling planting body 25 R rotates around the front seedling planting body support shaft 33. Further, the front seedling planting body 25F is rotated around the rear seedling planting body support shaft 34 and moved forward in conjunction with this, and the lower side of the seedling planting body 25 is moved back and forth. Open and open downward. Then, the seedling planting body 25... Rises and the operating arm 44 moves downward to the original position with respect to the seedling planting body 25. The lower side closes.

  In the present embodiment, when seedlings are planted in the cocoon, the seedling planting body 25 opens at a timing when the seedling planting body 25 opens, and the seedling planting body 25 opens at a lower end until the width of both ends reaches 30 to 40 mm. While moving upwards 50-60 mm from there, the open state 30-40 mm is secured. By having such a configuration, there is an effect of preventing pinching of the seedling planted by closing the lower end portion of the seedling planting body 25 that rises.

  Between the attachment member 32 for attaching the transmission case 28 to the body frame 2b, and the support frames 9b and 9b for supporting the axle cases 9a and 9a provided between the transmission case 8 and the transmission transmission cases 9 and 9, The support frames 32 a and 32 a are connected to improve the support strength of the transmission case 28, the seedling planting device 3, and the seedling supply device 4.

  Piston rods 91a and 91a of plunger pumps 91 and 91 for supplying water for irrigation supplied to the inside of the seedling planting body 25 are mounted. Plunger pumps 91 and 91 for supplying water for irrigation to be supplied to the inside of the seedling planting body 25... Are mounted inside the transmission case 28 having a gate shape when viewed in the front-rear direction. The piston rods 91a, 91a of the plunger pumps 91, 91 are mounted on the projecting rotary shafts 40aR, 40aR, and the casing members 91b, 91b of the plunger pumps 91, 91 are mounted on the mounting member 32 having the transmission case 28 mounted thereon. It is attached to the plunger pump attachment part provided in

  As shown in the perspective view of FIG. 7, the seedling supply device 4 has a cylindrical body 47 that opens up and down, and a bottom lid 48 that opens and closes a lower opening 47 a of the cylindrical body 47. And a plurality of seedling containers 29 connected in a loop shape, and a long oval loop shape before and after the plane view of the machine body in a state where the seedling containers 29 pass through the vicinity above the seedling planting body 25. The moving mechanism 30 that rotates around the locus and the opening mechanism 31 that opens the bottom lids 48 of the seedling containers 29 at a position above the seedling planting bodies 25 are provided.

  The seedling supply device 4 forms a cylindrical outer peripheral portion on the outer periphery of the seedling container 29, and has an engagement portion (round hole) that engages with the cylindrical outer peripheral portion so as to be freely rotatable from the outside. A plurality of connecting bodies 49 for connecting the accommodating bodies 29, 29 are provided, and the engaging portions of the connecting bodies 49 are rotatably engaged with the cylindrical outer peripheral portion of the seedling containing bodies 29, so that the cylindrical outer peripheral portion is rotated. As a state where adjacent seedling containers 29 are rotatably connected, a plurality of seedling containers 29 are connected to each other. That is, it is the structure which connected with the seedling container 29 ... and the connection body 49 ... like an endless chain. Thereby, since this seedling transplanter 29 does not change the space | interval with the adjacent seedling container 29 ... even if the seedling container 29 ... is a part which moves linearly, or a part which moves circularly, from the seedling container 29. The seedling container 29 is less likely to be misaligned with respect to the seedling planting body 25 at the location where the seedling planting body 25 is supplied with seedlings, so that the seedling is properly supplied and the seedlings can be transplanted accurately. After setting the number of seedling containers 29 and the range of circumferential rotation, the upper opening 43b of the seedling container 29 can be formed as wide as possible to the seedling containers 29 while reducing the size of the machine body. The seedling supply operation can be performed as easily as possible.

  The moving mechanism 30 of the seedling supply device 4 includes sprockets 50, 50; 50 in which the right and left seedling supply devices 4R, 4L are respectively provided with seedling containers 29 ...; 29 ... connected to each other like an endless chain. , 50 is engaged with and wound around an arc-shaped cutout on the outer periphery, and the right and left seedlings are supplied by rotating the left and right sprockets 50, 50; 50, 50 with the power extracted from the transmission case 28. Each seedling container 29 ...; 29 ... of apparatus 4R, 4L is set as the structure rotated around. Rotating shafts 51, 51; 51, 51 for attaching the sprockets 50, 50; 50, 50 so as to be driven to rotate are rotatably attached to a support frame 52 supported by the upper part of the transmission case 28, and from the upper part of the transmission case 28. The left and right rotating shafts 53a and 53b projecting upward are transmitted to the respective rotating shafts 51 and 51; 51 and 51 through sprockets and chains.

  The front and rear shafts 51, 51; 51, 51 around which the seedling containing bodies 29 circulate are located behind the left and right rear wheels 6, 6, and the front shafts 51, 51 around which the seedling containing bodies 29 ... The rear shafts 51 and 51 around which the seedling containing bodies 29 circulate are arranged on the front side of the axles 10 and 10 positions of the wheels 6 and 6 and on the rear side of the axles 10 and 10 positions of the rear wheels 6 and 6. The seedling planting body 25 is arranged on the rear side of the axles 10 and 10 positions of the rear wheels 6 and 6.

  As shown in FIG. 6, the transmission mechanism in the transmission case 28 moves in the left-right direction from the first bevel gear 54 attached to the input shaft 18 connected to the rear end of the transmission shaft 28 a that is rotated by transmission from the transmission case 8. A planting clutch C that is a fixed position stop clutch that is transmitted to a second bevel gear 56 that is rotatably attached to the extending transmission shaft 55 and that has a clutch pawl provided at one end of the second bevel gear and that can be engaged and disengaged. Is transmitted to the transmission shaft 55 via. The planting clutch C is operated by an operator sitting on the operator seats 70L and 70R operating a lever provided below the seedling supply device 4, and the seedling planting device 3 is driven by turning the clutch C on and off. It is cut off. First sprockets 57 and 57 are attached to both left and right ends of the transmission shaft 55 so as to rotate integrally. The first sprockets 57 and 57 are provided on the lower side in the case extending downward from the left and right ends of the transmission case 28. The second sprockets 58 and 58 are transmitted through the chains 59 and 59. Further, the left and right end portions of the transmission shaft 55 further extend from the first sprockets 57 and 57 and project to the left and right outer sides of the transmission case 28. The protruding portions are drive shafts 41 and 41. The rotary shaft 40aR that rotates integrally with the second sprockets 58 and 58 also protrudes from the left and right outer sides of the transmission case 28, and further, a first shaft 40aS serving as a pivot shaft of the first lifting link 40a in an eccentric state is formed at the tip. And rotate integrally with the rotary shaft 40aR. Further, the third bevel gear 60 is attached to the middle portion of the transmission shaft 55 so as to rotate integrally, and the one rotation shaft 53a that protrudes upward from the upper portion of the transmission case 28 is driven via the fourth bevel gear 61 that meshes with the third bevel gear 60. Rotate. The rotation shaft 53b on the other side is reversely rotated by the gear 62 provided on the rotation shaft 53b meshing with the gear 63 provided on the rotation shaft 53a on the one side. From the left and right rotating shafts 53a, 53b to the left and right rear rotating shafts 51, 51 rotatably supported on the left and right sides of the laterally extending support frame 54b supported by the support member 54a attached to the transmission case 28. Are transmitted through the sprockets 65a and 65a and 65b and 65b and the chains 65c and 65c, respectively, and further sprockets 66a and 66a; 66b and 66b and chains 66c and 66c from the left and right front rotating shafts 51 and 51, respectively. It is set as the structure transmitted via.

  The opening mechanism 31 of the seedling supply device 4 is provided with a support 67 (FIG. 5) that supports the bottom cover 48 from below so that the bottom cover 48 does not rotate downward below the orbit of the seedling container 29. The support body 67 is not provided above the seedling planting bodies 25... So that when the seedling container 29 passes the upper position of the seedling planting bodies 25. The support state is released and the apparatus is rotated downward to open the seedling container 29 so that the seedling can be dropped downward. The timing at which the bottom lid 48 of the seedling container 29 opens is adjusted so that the seedling planting bodies 25... Rise up to just below the seedling container 29. Further, instead of the above-described configuration, when the seedling planting body 25 rises to a position directly below the seedling container 29, the opening actuating member provided on the seedling planting body is provided on the seedling container 29 located above the seedling planting body 25. It is also possible to employ a configuration in which the restriction means for restricting the opening of the bottom lid 48 is operated to release the restriction.

  The seedling supply device 4 of this example includes a right seedling supply device 4R that supplies seedlings to the two seedling planting bodies 25, 25 on the right side of the machine body, and a seedling for the two seedling planting bodies 25, 25 on the left side of the machine body. Both the left seedling supply devices 4L to supply are configured so that the seedling containers 29... Rotate around the two seedling planting bodies 25 and 25 to supply seedlings. In this way, when the seedling container 29... Moves around the two seedling planting bodies 25, 25 to supply seedlings, the seedling container is supplied to the seedling planting body 25 on one side. A seedling container 29 that is connected so as to alternate between the body 29 and the seedling planting body 29 that is supplied to the other side seedling planting body 29 and that is supplied to the one side seedling planting body 25 is provided. When passing above the seedling planting body 25 on one side, the seedling container 29 to be supplied to fall on the seedling planting body 25 on the other side is set to pass above the seedling planting body 25 on the other side, At least the seedling containers 29 to be supplied to the seedling planting body 25 on the lower side in the circumferential movement direction of the seedling containers 29... Pass above the seedling planting body 25 on the upper side in the circumferential movement direction of the seedling containers 29. When the seedling container 29 is not opened Providing a Unisuru opening regulation means. In addition to the above, if it is configured so that the seedling receiving bodies 29... Move two times while the vertical movement of the seedling planting bodies 25, 25 operates for one cycle, the seedling receiving bodies 29. The seedlings can be supplied simultaneously to the two seedling planting bodies 25, 25 while passing over the two seedling planting bodies 25, 254 in series without causing seedling supply leakage, and the two seedling planting bodies 25, 25 The seedling container 29, which has not been supplied with seedlings after passing above, can be supplied with seedlings to the two seedling planting bodies 25, 25 without leaving the seedlings, and the seedling supply operation can be performed with a margin, And a seedling can be reliably supplied with respect to the two seedling planting bodies 25 and 25. The opening restricting means is provided with, for example, a protrusion on the lid 48 of the seedling container 29 to be supplied to the seedling planting body 25 on the lower side in the circumferential movement direction of the seedling container 29. This can be achieved by supporting from below the seedling planting body 25 on the upper side in the circumferential movement direction.

  This seedling transplanting machine is provided with a soil covering pressure reducing wheel 80 for covering and suppressing the seedlings planted by the seedling planting bodies 25 at positions near the rear left and right sides of the seedling planting locations of each seedling planting body 25. . In addition, a pressure-reducing roller 81 that suppresses the field scene before the seedling planting bodies 25 plant the seedlings is provided near each front position of the seedling planting location of each seedling planting body 25. These covering soil pressure-reducing wheels 80 and pressure-reducing rollers 81 are supported by a support shaft 82 supported by the body frame 2b to simplify the support structure.

  In addition, a front pressure-reducing wheel 83 is also provided in front of the aircraft. A lift sensor S is arranged at a position behind the front pressure wheel 83. This is because the vertical position of the seedling transplanter can be stabilized when the lifting sensor S hits the field where the soil is hard and stabilized by the front pressure wheel 83, so that seedling planting can also be stabilized.

  In addition, the seedling transplanting machine of this example is provided with worker seats 70L and 70R on which an operator sits so that an operator who supplies seedlings to the seedling supply device 4 can get on and perform seedling supply operations. Specifically, the left worker's seat 70L is disposed near the left outer side of the front side portion of the left seedling supply device 4L, and the right worker's seat 70R is disposed near the right outer side of the front side portion of the right seedling supply device 4R. It is arranged. The backrests of these seats 70L and 70R are provided so as to be positioned on the outer sides in the left-right direction of the body, and the operator sitting on the seats 70L and 70R faces the front side of the seedling supply devices 4L and 4R. Sit in a facing posture and perform seedling replenishment work on the front sides of the seedling supply devices 4L and 4R. In addition, the seedling transplanting machine of this example is a seedling feeding device while an operator stands and walks forward in front of the steering handle 2 provided on the rear side of the machine body on the rear side of the rear wheels 6 and 6 traveling in the groin. A work space W that enables the operation of replenishing seedlings is formed on the rear side of the four, and a worker standing in the work space W performs seedling replenishment work on the rear side of the seedling supply devices 4L and 4R. It can be carried out.

  The left and right worker seats 70L and 70R are disposed rearward of the positions of the axles 17 and 17 of the front wheels 7 and 7 and in front of the positions of the axles 10 and 10 of the rear wheels 6 and 6. Further, the operator seats 70L and 70R are arranged so that a part of the seat overlaps above the rear wheels 6 and 6 in a side view of the body. Further, the operator seats 70L and 70R are arranged above the rotation axis X of the traveling transmission case 9, 9 in a side view of the body, and the front wheels 7, 7 are connected to the traveling transmission case 9, It is set as the structure arrange | positioned ahead of 9 rotation axis X.

  The support structure of the worker seats 70L and 70R is such that the axles 10 and 10 of the rear wheels 6 and 6 are protruded inside the transmission cases 9 and 9 which are support members for supporting the axles 10 and 10 of the rear wheels 6 and 6. Even if the axles 10 and 10 of the rear wheels 6 and 6 move up and down on the seat support members 72, 72; , 70R is provided with a posture maintaining mechanism that prevents it from tilting back and forth.

  The support cylinders 74 and 74 mounted on the front end side of the connecting frames 73 and 73 can be attached to the axles 17 and 17 of the front wheels 7 and 7. Further, the connecting frames 73 and 73 have rear end portions that are rotatable about shafts that protrude inside the traveling transmission cases 9 and 9 that are support members for supporting the axles 10 and 10 of the rear wheels 6 and 6. The cylindrical portions 75 and 75 can also be rotatably attached. Further, the connecting portions on the front wheels 7 and 7 side of the connecting frames 73 and 73 connect the connecting frames 73 and 73 to the front axles 17 and 17 or the vertical frames 16a and 16a in a non-slidable and rotatable manner. The connecting portions on the rear wheels 6 and 6 side of the connecting frames 73 and 73 connect the connecting frames 73 and 73 to the rear wheel axles 10 and 10 or the transmission cases 9 and 9 so as to be slidable and rotatable. It can also be configured. With this configuration, when the traveling transmission cases 9 and 9 rotate downward and the axles 10 and 10 of the rear wheels 6 and 6 descend, the rear wheels 6 and 6 move forward relative to the fuselage. However, the operator seats 70L and 70R do not move in the front-rear direction relative to the aircraft. Accordingly, in order to turn the airframe, the rear wheels 6 and 6 are first lowered to raise the airframe, and when the steering handle 2 is pushed down to bring the two-wheel grounding state and the airframe is turned, the operator seat in the front-rear direction Since 70L and 70R approach toward the axles 10 and 10 of the rear wheels 6 and 6, the load of pushing down the steering handle 2 due to the weight of the operator seats 70L and 70R is reduced. Further, both of the connecting portions on the front wheels 7 and 7 side of the connecting frames 73 and 73 and the connecting portions on the rear wheels 6 and 6 side of the connecting frames 73 and 73 are capable of sliding and rotating the connecting frames 73 and 73. It can also be set as the structure connected to.

  Furthermore, this seedling transplanter is provided with steps 71L and 71R on the lower side in the left and right direction of the left and right workers' seats 70L and 70R. The steps 71L and 71R extend from the position below the worker seats 70L and 70R to the position above the front wheels 7 and 7 in a side view of the machine body. The rear wheels 6 and 6 are large-diameter wheels, and the front wheels 7 and 7 are small-diameter wheels, and are provided so that the front portions of the steps 71L and 71R are located above the front wheels 7 and 7 of the small-diameter wheels in a side view of the body. ing. Steps 71L and 71R have step support frames 92 and 92 each having a rear side attached to the upper part of the axle case 9a and 9a and a front side fixed to the bumper frame 90, and outer ends of the step support frames 92 and 92. It is fixedly mounted on the step support plates 93, 93 which are fixed to the portion and integrated with the support plates 9c, 9c.

  Containers D and D that can store seedlings to be supplied to the seedling supply device 4 can be installed in the vicinity of the rear sides of the worker seats 70L and 70R and above the axles 10 and 10 of the rear wheels 6 and 6 in a side view of the body. Provided. In this example, container engaging members 94 and 94 that engage with one side of handle holes (not shown) formed on both sides of a box-like container D formed of plastic or the like to support the container D are provided. Thus, the containers D and D can be installed, the structure of the container support part is simplified, and the container support part does not occupy a large space when the container is not installed. Can be made more compact, lighter and less expensive. The specific configuration of the illustrated example is that the upper end portions of the container engaging members 94, 94 are bent in a crank shape, the upper end portion is inserted into the handle hole of the container D from the outside, and the handle hole is formed at the crank-shaped bent portion. By being pulled, the container D can be supported by the container engaging member 94. Further, the container engaging member 94 is fixed to the upper part of the seat support frames 72, 72, and is provided to stand on the rear side of the worker seats 70L, 70R. When the operator is seated on the operator seats 70L and 70R when traveling on the road, it also serves as a handrail.

  The seedling transplanter of this example is configured so that water for irrigation can be supplied to the seedling planting body 25, and irrigation can be performed simultaneously with planting of the seedling. The tanks T, T for storing water for irrigation are on the tank support bases 76, 76 provided in the vicinity of the axles 10, 10 of the rear wheels 6, 6 in the lateral direction inside the rear wheels 6, 6 in the lateral direction of the body. It is provided so that it can be mounted on. The tank support bases 76 and 76 are fixed on support members fixed to the connection frames 73 and 73.

Irrigation from the tank T drains water just before the seedling planting body 25 is opened, and then the seedling planting body 25 falls out of the soil at 50-60 mm while the seedling planting body 25 rises to 50-60 mm. By continuing to drain water, the seedlings planted can be sufficiently irrigated. The seedling planting body 25 is provided with an irrigation hose 21 (see FIG. 8) for irrigating from the water tank T. The pair of water tanks T, T are stepped inside the pair of left and right rear wheels 6, 6. The water tank T can be used as a step for moving the operator back and forth by placing the water tank T in a horizontal stack with the height of the steps 71L and 71R at the rear of the 71L and 71R.

  Further, as shown in a perspective view of the seedling planting body 25 in FIG. 8, a tongue piece 22 is provided in the discharge port 21 a of the irrigation hose 21 in the seedling planting body 25, and the water flow is vibrated by the tongue piece 22. Water is sprayed on the front and rear beaks in the seedling planting body 25. Further, when the discharge port 21a is present on the front side of the machine body, the tongue piece 22 may be disposed on the lower side of the machine body from the center line of the cross section of the irrigation discharge port 21a as shown in FIG. desirable.

  In addition, the tongue piece 22 is made of a soft material such as rubber having elasticity enough to hang down by its own weight, but may be made of a hard material having elasticity such as polyvinyl chloride in the case of a large vibration body.

  In addition, in order to improve the cleaning power in the seedling planting body 25, a rubber cap 23 is attached to the irrigation discharge port 21a as shown in FIG. The irrigation discharge pressure can be changed by changing the diameter of the outlet of the cap 23.

  In addition, as shown in FIG. 11, a minute hole 21a1 is opened in the vicinity of the irrigation discharge port 21a, air is mixed with water, and bubbles are generated in the irrigation water coming out of the irrigation discharge port 21a. The dirt in the body 25 can be removed. Furthermore, if a conical resistor 24 is attached to the irrigation discharge port 21a as shown in FIG. 12, a water spray effect can be obtained.

  Further, tanks T placed on the tank support bases 76 and 76 in the position above the axles 10 and 10 of the rear wheels 6 and 6 on the rear side of the body seats 70L and 70R in the side view of the body and in the side view of the body. A container D capable of accommodating seedlings to be supplied to the seedling supply device 4 is provided at a position above T so as to be installed.

  As described above, the seedling transplanting machine 25, 25, 25, 25 transplants seedlings on the farm field while traveling forward with the pair of left and right front wheels and the pair of left and right rear wheels straddling the heel. . The seedling supply devices 4L, 4R supply seedlings to the seedling planting bodies 25, 25, 25, 25. The operator can perform an operation of sitting on the operator seats 70L and 70R and supplying seedlings to the seedling supply devices 4L and 4R.

  Since the seedling supply device 4 is provided in each of the right and left seedling planting bodies 25 and planted by two persons, seedlings can be planted with high efficiency.

  Further, the timing of the seedling supply to the right and left seedling planting bodies 25 is set by changing the interval between the seedling guides 37 arranged on the left and right and the seedling planting bodies 25 to be a multiple of the arrangement pitch of the seedling container 29 of the seedling supply device 4. If staggered, staggered can be planted.

  The present invention is applicable to a seedling transplanting machine including a seedling planting body for planting seedlings in a field.

It is a side view of the seedling transplanting machine of one Example of this invention. It is a top view of the seedling transplanting machine of FIG. It is a top view of the state which abbreviate | omitted the seedling supply part and operator's seat of the seedling transplanter of FIG. FIG. 2 is a hydraulic circuit diagram of a hydraulic cylinder of the seedling transplanter of FIG. 1. It is a side view which shows the seedling transplanting apparatus and seedling supply apparatus of the seedling transplanting machine of FIG. FIG. 2 is a rear view of a seedling transplanting device in which a transmission case of the seedling transplanting machine in FIG. It is a perspective view which shows the connection structure of the seedling container of the seedling transplanter of FIG. It is a perspective view of the seedling planting body of the seedling transplanting machine of FIG. It is a side view of the front-end | tip part of the hose for irrigation to the seedling planting body of FIG. It is a partial cross section figure of the front-end | tip part of the hose for irrigation to the seedling planting body of FIG. It is a perspective view of the seedling planting body of the seedling transplanting machine of FIG. It is a partial cross section figure of the front-end | tip part of the hose for irrigation to the seedling planting body of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling vehicle body 2 Steering handle 2a Grip part 2b Airframe frame 3 Seedling planting device 4 Seedling supply device 5 Engine 6 Rear wheel 7 Front wheel 8 Transmission case 9 Transmission case 9a Axle case 9b Support frame 9c Support plate 10 Axle 11 Arm 12 For raising and lowering Hydraulic cylinder 12a Planting part frame 13 Coupling body 14 Rod 15 Hydraulic cylinder for horizontal control 16 Horizontal frame 16a Vertical frame 17 Axle 18 Input shaft 19 Side clutch lever 20 Front handle 21 Irrigation hose 21a Discharge port 22 Tongue piece 23 Rubber cap 24 Resistance body 25 Seedling planting body 25b Long hole 25Fa Arm part 25Ra Arm part 26 Vertical movement mechanism 27 Opening / closing mechanism 28 Transmission case 29 Seedling body 30 Moving mechanism 32 Mounting member 33 Seedling planting body support shaft 35 Seedling planting body support shaft 35 Connecting member 36 seedling guide connecting member 37 seedling guide 38 connecting member 39 connecting member 40a, 40b elevating link 40aR rotating shaft 40aS, 40bS shaft 41 driving shaft 42 driving arm 42a interlocking arm 43b upper opening 44 operating arm 45 connecting rod 46 cam 47 cylindrical Body 48 Bottom cover 49 Connecting body 50 Sprocket 51 Rotating shaft 52 Support frame 53a, 53b Rotating shaft 54 First bevel gear 54a Support member 54b Support frame 55 Transmission shaft 56 Second bevel gear 57 First sprocket 58 Second sprocket 59 Chain 60 First Three bevel gears 61 Fourth bevel gears 62 Gears 63 Gears 65a65b Sprockets 65c Chains 66a, 66b Sprockets 66c Chains 67 Supports 68 Switching valves 69 Apertures 70 Worker seats 71 Steps 72, 73 Seats Support member 74 Support cylinder 75 Tube section 76 Tank support base 80 Covering pressure reducing wheel 81 Pressure reducing roller 82 Support shaft 83 Front pressure reducing wheel 90 Bumper frame 91 Plunger pump 91a Piston rod 91b Casing portion 92 Step support frame 93 Step support plate 94 Container engagement Component C Planting clutch D Container L Operation tool S Sensor T Tank

Claims (3)

A traveling vehicle body having an engine (5), a pair of left and right front wheels (7), and a pair of left and right rear wheels (6), and a beak-shaped seedling planting body (25) whose tip is directed downwardly, A seedling planting device (3) to be attached, a seedling supply device (4) for supplying seedlings to the seedling planting device (3), and an operator who performs operations for supplying seedlings to the seedling supply device (4) are seated. In a seedling transplanter equipped with a worker seat (70),
A handle (2) is provided at the rear end of the traveling vehicle body so as to be gripped in the dismounted state and steer the aircraft, and a step (71) for getting on and off the operator seat (70) is provided at the front end portion of the traveling vehicle body. Provided,
Placing the operator seat (70) in the vicinity of the front side of the seedling supply device (4);
Work enabling the work of replenishing seedlings to the rear side of the seedling feeding device (4) while an operator stands and walks forward on the rear side of the handle (2) on the rear side of the rear wheel (6) Forming a space (W),
A left-right direction inside the front Symbol pair of left and right rear wheels (6), and tank support base (76) arranged near the axle (10) of the rear wheel (6) in the fuselage side view,
A tank (T) for storing water for irrigation of the seedling planting body (25) is placed on the tank support (76),
An irrigation hose (21) for supplying irrigation water from the tank (T) to the seedling planting body (25) is provided,
The connecting frame (73) that connects the axle (17) of the pair of left and right front wheels (7) and the axle (10) of the pair of left and right rear wheels (6) is connected to the axle (17) and rear wheel (6) of the front wheels (7). Provided so as to be rotatable with respect to the axle (10), and the worker seat (70) is supported by the connecting frame (73),
A seedling transplanting machine, wherein the tank support (76) is fixed on a support member fixed to a connection frame (73) . A container (D) that can store seedlings to be supplied to the seedling supply device (4) in the vicinity of the operator seat (70) and above the axle (10) of the rear wheel (6) in a side view of the body. A seedling transplanting machine according to claim 1, further comprising a container supporting portion that supports The front wheel (7) has a smaller diameter than the rear wheel (6), and the step (71) extends from a position below the operator seat (70) to a position above the front wheel (7) in a side view of the body, and Provided so that the front part of step (71) is located above the front wheel (7),
A transmission case (8) having a transmission mechanism for transmitting power from the engine (5) to the rear wheel (6) is provided, and a transmission for traveling having a longitudinal direction at the left and right ends of the transmission case (8). A front part of the case (9) is rotatably attached, the rear wheel (6) is mounted on the rear part of the traveling transmission case (9), and the traveling transmission case (8) to the transmission case (8) ( 9) The mounting position of 9) is the pivot point (X), and the rear wheel (6) can be pivoted up and down.
The operator seat (70) is placed between the axle (17) of the front wheel (7) and the axle (10) of the rear wheel (6) and partly above the rear wheel (6) in a side view of the fuselage. Provided above the pivot point (X) of the traveling transmission case (9) so as to overlap,
A pair of the seedling supply devices (4) are provided on the left and right sides, and the seedling supply device (4) is provided with a plurality of seedling containers (29) for receiving seedlings from above and storing seedlings on the inside, and two provided in the front-rear direction. A moving mechanism (30) for rotating a plurality of seedling containers (29) around an oval loop trajectory that is long back and forth around one axis (51) and the bottom of the seedling container (29) are opened. An opening mechanism (31) for dropping the seedling housed inside and supplying the seedling to the seedling planting body (25);
The seedling according to claim 1 or 2, wherein a pair of left and right worker seats (70) are provided, and the left and right worker seats (70) are arranged so as to be seated in a laterally inward posture. Transplanter.

Images