JP2001352809A - Sulky rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sulky rice transplanter having improved traveling stability by lowering the position of center of gravity of a traveling machine body. SOLUTION: In this sulky rice transplanter equipped with a planting machine at the rear part of a traveling machine body, the traveling machine body is furnished with a pair of right and left main pipes extending in the longitudinal direction, an engine and an engine starting apparatus are arranged between both the main pipes and the bottom end faces of the engine and the engine starting apparatus are located lower than the main pipes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding rice transplanter.

[0002]

2. Description of the Related Art In a conventional riding rice transplanter, a planting machine is provided at a rear portion of a traveling body so as to be able to ascend and descend through an elevating mechanism, and the traveling body is provided with a traveling portion below a body frame. On the other hand, a prime mover unit was disposed at the upper front side of the body frame, and a driving operation unit was disposed immediately behind the prime mover unit.

[0003] The body frame has a front end pipe extending in the left-right width direction between the front end portions of a pair of left and right main pipes extending in the front-rear direction. The engine was mounted on the right side of the engine, and the engine was covered with a bonnet.

[0004]

However, in the above-mentioned conventional rice transplanter, since the heavy engine and the engine starter are mounted on the upper portion of the main pipe, the front of the traveling machine body is not provided. The position of the center of gravity was high, and running stability might be lacking.

[0005] Further, the hood located in front of the driving operation unit may protrude to the upper side, which may obstruct the driver's view.

[0006]

Therefore, according to the present invention, a pair of left and right main pipes extending in the front-rear direction are provided on a traveling body of a riding rice transplanter having a planting machine disposed at a rear portion of the traveling body. The engine and the engine starting device are arranged between the two main pipes, and the lower end surfaces of the engine and the engine starting device are located below the main pipe.

Further, an engine support plate for supporting the engine is provided below the engine.

Further, a front end pipe extending in the left-right width direction is provided between the front ends of the two main pipes, and extends in the left-right width direction while swelling downward between the middle portions of the two main pipes. An engine support pipe is provided, and an engine support plate is provided between the engine support pipe and the front end pipe.

Further, the engine starting device is connected to a side portion of the engine with the starter lever extended in a slanted shape of front low and rear high.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION A riding rice transplanter according to the present invention has a planting machine disposed at a rear portion of a traveling machine body. A prime mover unit is provided at the upper front side of the vehicle, and a driving operation unit is provided immediately behind the prime mover unit.

The body frame has a hollow cylindrical front end pipe extending in the left-right width direction between the front ends of a pair of right and left rectangular main pipes extending in the front-rear direction. , An engine support pipe that extends in the left and right width direction and swells downward between the front halfway of the main pipe, and between the center of the engine support pipe and the center of the front end pipe. An engine support plate extends in the front-rear direction and has a front end bent upward from the middle.

An engine as a prime mover is mounted on an upper portion of the engine support plate, and an engine starter for starting the engine is connected to the right side of the engine, and a starter lever of the engine starter is provided. Are extended in a slanted shape with front low and rear high.

As described above, according to the present invention, a pair of left and right main pipes extending in the front-rear direction is disposed on the traveling body, and the engine and the engine starting device are disposed between the two main pipes. Since the lower end face of the device is located below the main pipe, the position of the center of gravity at the front side of the traveling body can be lowered, thereby improving the traveling stability of the riding rice transplanter. is there.

Further, since the position of the engine can be lowered, the position of the upper end portion of the hood covering the engine can also be lowered, so that the visibility of the driver can be ensured, and the driving operability can be improved. It can be improved.

In addition, the main pipes are located on the left and right sides of the engine and the engine starting device, so that the side surfaces of the engine and the engine starting device can be protected by the main pipe, and the mud splashed from the road surface or the field scene It is possible to prevent the engine and the engine starting device from colliding with the engine and the engine starting device, thereby preventing the engine and the engine starting device from being damaged.

Further, in the present invention, the lower surface of the engine can be protected by the engine support plate by disposing the engine support plate for supporting the engine at the lower portion of the engine. It is possible to prevent muddy soil and obstacles jumped up from a field or a field scene from colliding with the engine or the engine starting device, thereby preventing damage to the engine or the engine starting device.

In particular, a front end pipe extending in the left-right width direction is provided between the front ends of the two main pipes, and extends in the left-right width direction in a state in which it is swelled downward between the middle portions of the two main pipes. An engine support pipe is erected, and an engine support plate is erected between the engine support pipe and the front end pipe to protect the left and right sides of the engine with a main pipe and to lower the engine with an engine support plate. In addition, the front side of the engine can be protected by the front end pipe, and mud and obstacles jumped from the road surface and the field scene can be prevented from colliding with the engine and the engine starter, This can prevent damage to the engine and the engine starting device.

Further, in the present invention, since the engine starting device is connected to the side of the engine in such a manner that the starter lever of the engine starting device is extended in the form of a front-rear and rear-high inclination, the engine and the engine starting device are connected. The starter lever of the engine starting device extends in a direction in which the driver easily applies force, even though the device is disposed at a lower position than in the related art, so that operability can be improved.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings.

In the riding rice transplanter 1 according to the present invention, as shown in FIG. 1, a planting machine 3 is connected via a lifting mechanism 4 to a rear part of a traveling machine body 2 which is configured to be self-propelled. I have.

As shown in FIG. 1, the traveling body 2 has a traveling section 6 provided below the body frame 5 and a motor section 7 provided at the upper front side of the body frame 5. A driving operation unit 8 is disposed immediately behind the vehicle.

As shown in FIGS. 1 to 4, the body frame 5 extends in the left and right width direction between the front ends of a pair of left and right rectangular main pipes 9 and 10 extended in the front and rear direction. A hollow cylindrical front end pipe 11 is provided.

The body frame 5 includes a main pipe 9,
A cylindrical engine support pipe 12 extending in the left-right width direction and swelling downward is erected between the front halfway portions of 10 and a central portion of the engine support pipe 12 and a central portion of the front end pipe 11. An engine support plate 13 extending in the front-rear direction and having a front end bent upward from the middle is erected, and a pair of left and right transmission support brackets 14 and 15 is provided at a central rear portion of the engine support pipe 12. Further, a pair of left and right main pipes 9, 10 are formed to have a front-rear, rear-height inclined shape and the rear ends of the main pipes 9, 10 are extended in a front-rear, high-low inclination form. The front ends of the inclined pipes 16 and 17 having a rectangular cross section are continuously provided, and the engine support pipe 12 is provided.
A transmission case 18 extending in the front-rear direction is provided between the transmission support brackets 14 and 15 attached to the rear and the rear ends of the inclined pipes 16 and 17. In the figure, 19 is the main pipe
9, 10 Gate-shaped seat support pipe erected midway, 2
Reference numeral 0,21 is a step support pipe installed in the middle of the main pipes 9,10 in a state of extending in the width direction, 22 is a pair of weights for adjusting the weight balance between the front and rear of the body, and 23 is a planting around. And 24 is a center marker.

As shown in FIGS. 1 and 2, the traveling section 6
Front axle case on front side of transmission case 18
25, and a pair of left and right front wheels 26, 27 are operatively connected to the front axle case 25, while a rear axle case 28 is integrally formed at the rear side of the transmission case 18, A pair of left and right rear wheels 2 on axle case 28
9,30 are linked.

As shown in FIGS. 1 to 4, the motor unit 7
An engine 31 as a prime mover is mounted on the upper part of the engine support plate 13, and the transmission case 18 is connected to the engine 31 in an interlocking manner. On the right side of the engine 31, an engine starting device for starting the engine 31 is provided. The starter lever 58 of the recoil starter 57
Are mounted in a state of being extended in a slanted shape with front low and rear high.
In the figure, 59 is a starter wire of the recoil starter 57, and 60 is an engine cover.

The motor unit 7 has a fuel tank 32 disposed immediately above the engine 31 and covers the engine 31 with a bonnet 33. Spare seedling table for placing seedlings
34,34 are arranged.

As described above, in the present embodiment, a pair of left and right main pipes 9 and 10 extending in the front-rear direction are disposed on the traveling body 2 and the engine 31 and the engine starter (between the two main pipes 9 and 10). Recoil starter 57) and engine
31 and the lower end surface of the engine starter are located below the main pipes 9 and 10.

As a result, the position of the engine 31 can be lowered, whereby the position of the center of gravity at the front side of the traveling machine body 2 can be lowered, and the traveling stability of the riding rice transplanter 1 can be improved. In addition, the position of the upper end of the hood 33 that covers the engine 31 can be lowered, so that the visibility of the driver can be secured well, and the driving operability can be improved.

Moreover, the main pipes 9, 10 are located on the left and right sides of the engine 31 and the engine starting device, and the main pipes 9, 10 can protect the side surfaces of the engine 31 and the engine starting device. It is possible to prevent muddy soil and obstacles jumped up from the field scene from colliding with the engine 31 and the engine starting device, thereby preventing damage to the engine 31 and the engine starting device.

In this embodiment, since the engine support plate 13 for supporting the engine 31 is provided below the engine 31, the lower surface of the engine 31 can be protected by the engine support plate 13. This also prevents the mud and obstacles jumped up from the road surface or the field scene from colliding with the engine 31 or the engine starting device, and
31 and the engine starter can be prevented from being damaged.

In particular, a front end pipe 11 extending in the width direction is provided between the front end portions of the main pipes 9 and 10, and
An engine support pipe 12 extending in the left-right width direction in a state of being swelled downward between the middle pipes of the two main pipes 9 and 10 is provided, and an engine is provided between the engine support pipe 12 and the front end pipe 11. By mounting the support plate 13, the left and right sides of the engine 31 are protected by the main pipes 9, 10, the lower side of the engine 31 is protected by the engine support plate 13, and the front side of the engine 31 is further protected. It can be protected by the front end pipe 11 and can prevent the mud and obstacles jumped up from the road surface and the field scene from colliding with the engine 31 and the engine starter, preventing the engine 31 and the engine starter from being damaged can do.

In this embodiment, the engine starting device is connected to the right side of the engine 31 in a state where the starter lever 58 of the engine starting device is extended in a front-to-back and rear-to-back inclination. Despite the lower position of 31 and the engine starter than before, the starter lever 58 of the engine starter extends in the direction that the driver easily applies force, improving operability. it can.

As shown in FIG. 1, the driving operation unit 8 has a steering post 35 erected on the bonnet 33, a steering wheel 36 disposed on the upper end of the steering post 35, and a position immediately behind the steering wheel 36. The seat 37 is arranged.

The driving operation unit 8 is provided on the left side of the hood 33 with a transmission lever for performing a transmission operation of the traveling body 2.
38 and a clutch lever 39 capable of operating the clutch from the outside of the fuselage are arranged so as to be swingable in the front-rear direction, and the clutch pedal 40 is arranged so as to be able to be depressed and operated. A planting raising / lowering lever 41 for raising and lowering the planting machine 3 is provided on the right side so as to be swingable in the front-rear direction.

The driving section 8 has a pair of left and right front steps 44, 44 on the left and right sides of the hood 33, and a cover body 45 from the lower portion of the seat 37 to the left and right sides. The floor is formed by the front steps 44, 44 and the cover body 45. In the figure, reference numeral 46 denotes an elevating step formed on the cover body 45.

As shown in FIG. 1, the planting machine 3 has a planting mechanism 53 connected to a rear portion of the elevating mechanism 4 and a seedling table 47 on the top of the planting mechanism 53. It is installed in. In the figure, 48
Is a float.

Then, as shown in FIG. 2, a PTO output shaft protruding rearward from a middle portion of the transmission case 18.
The proximal end of the PTO joint 50 is connected to the distal end of the PTO joint 50, the proximal end of the relay shaft 51 is connected to the distal end of the PTO joint 50, and the conductive shaft 52 is connected to the distal end of the relay shaft 51. The ends are linked and connected, and the tip of the transmission shaft 52 is linked to the planting mechanism 53 to transmit power to the planting machine 3.

As shown in FIG. 5 and FIG. 6, the elevating mechanism 4 pivots the base ends of a pair of left and right upper links 54, 54 on the upper portions of the inclined pipes 16, 17 at the rear part of the traveling body 2 so as to be vertically rotatable. On the other hand, the rotating shaft 61
Are rotatably mounted, and the base ends of a pair of left and right lower links 55, 55 are attached to the rotating shaft 61. Further, the lower links 55, 55
The base ends of the connecting arms 62, 62 are connected to the base ends of the connecting arms 62, 62 directly upward, and a pair of right and left lifting links 56, left and right are connected between the connecting arms 62, 62 and the distal ends of the lower links 55, 55. A cylinder connecting body 63 is installed between the end portions of the elevating links 56, 56, and a base end of the elevating cylinder 65 is attached to a cylinder support 64 mounted at the center of the step support pipe 20 on the front side. Is mounted so as to be rotatable up and down, and the distal end of a cylinder rod 66 of an elevating cylinder 65 is attached to a cylinder connector 63 via a spring 67. In the figure, reference numeral 68 denotes a flange attached to the tip of the cylinder rod 66, and reference numerals 69 and 70 denote connecting shafts.

Then, by extending and retracting the cylinder rod 66 of the elevating cylinder 65, the elevating links 56, 56 are rotated back and forth together with the connecting arms 62, 62, and the planting machine 3 is rotated.
Is raised and lowered.

In this embodiment, the connecting arms 62, 62 are attached to the base ends of the lower links 55, 55 with the connecting arms 62, 62 facing directly upward, and the distance between the base ends of the lower links 55, 55 and the connecting arms 62,
The interval between the distal end portions of 62, that is, the interval between the base end portions of the elevating links 56, 56 is substantially the same.

Therefore, when the cylinder rod 66 of the elevating cylinder 65 is extended and retracted to rotate the elevating links 56 back and forth, only the bending force acts on the connecting arms 62, 62 without torsional force. Therefore, the connecting arms 62, 62
Of the connecting arm 6 can be reduced as much as possible.
2,62 can be reduced in size and cost.

[0042]

The present invention is embodied in the form described above and has the following effects.

That is, in the present invention, a pair of left and right main pipes extending in the front-rear direction is disposed on the traveling body, and an engine and an engine starting device are disposed between the two main pipes. Since the lower end face is located below the main pipe, the position of the center of gravity at the front side of the traveling machine body can be lowered, and thereby the traveling stability of the riding rice transplanter can be improved.

Further, since the position of the engine can be lowered, the position of the upper end of the hood covering the engine can also be lowered, so that the visibility of the driver can be ensured and the driving operability can be improved. Can be improved.

In addition, the main pipes are located on both the left and right sides of the engine and the engine starting device, and the main pipes can protect the side surfaces of the engine and the engine starting device, and the mud that has jumped up from a road surface or a field scene It is possible to prevent collision of the engine and the engine starting device with the engine and the engine starting device, thereby preventing damage to the engine and the engine starting device.

Further, according to the present invention, since the engine support plate for supporting the engine is provided below the engine, the lower surface of the engine can be protected by the engine support plate. It is possible to prevent muddy soil and obstacles flipped up from the top surface or the field scene from colliding with the engine or the engine starting device, thereby preventing damage to the engine or the engine starting device.

In particular, a front end pipe extending in the left-right width direction is provided between the front ends of the two main pipes, and extends in the left-right width direction while being swelled downward between the middle portions of the two main pipes. An engine support pipe is erected, and an engine support plate is erected between the engine support pipe and the front end pipe to protect the left and right sides of the engine with a main pipe and to lower the engine with an engine support plate. In addition, the front side of the engine can be protected by the front end pipe, and mud and obstacles jumped from the road surface and the field scene can be prevented from colliding with the engine and the engine starter, Damage to the engine and the engine starting device can be prevented.

In the present invention, since the engine starting device is connected to the side of the engine in a state where the starter lever of the engine starting device is extended in a front-to-back, rear-to-high inclination, the engine and the engine starting device are connected. The starter lever of the engine starting device extends in a direction in which the driver easily applies force, even though the device is disposed at a lower position than in the related art, so that operability can be improved.

[Brief description of the drawings]

FIG. 1 is a left side view showing a riding rice transplanter according to the present invention.

FIG. 2 is a plan view showing an airframe.

FIG. 3 is a right side view showing a motor unit.

FIG. 4 is a plan view of the same.

FIG. 5 is a plan view showing an elevating mechanism.

FIG. 6 is a left side view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Riding rice transplanter 2 Running body 3 Planting machine 4 Elevating mechanism 5 Airframe 6 Running part 7 Motor unit 8 Operation operation part 9,10 Main pipe 11 Front pipe 12 Engine support pipe 13 Engine support plate 31 Engine 33 Bonnet 57 Recoil starter 58 Starter lever

Claims (4)

[Claims] 1. A riding rice transplanter having a planting machine disposed at a rear portion of a traveling body, wherein a pair of left and right main pipes extending in a front-rear direction is disposed on the traveling body, and an engine and a main body are provided between the two main pipes. A rice transplanter for passenger use, comprising an engine starting device, and a lower end face of the engine and the engine starting device located below a main pipe. 2. The riding rice transplanter according to claim 1, wherein an engine support plate for supporting the engine is provided below the engine. 3. A front end pipe extending in the left-right width direction is provided between the front ends of the two main pipes, and extends in the left-right width direction while being swelled downward between the middle portions of the two main pipes. The riding rice transplanter according to claim 2, wherein an engine support pipe is provided, and an engine support plate is provided between the engine support pipe and the front end pipe. 4. The engine starting device according to claim 1, wherein the starter lever is connected to a side portion of the engine in a state where the starter lever is extended in a slanted shape of a front low and a rear high. The riding rice transplanter described.