JP3284556B2 - Riding rice transplanter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding type rice transplanter provided with a marker which serves as an index when planting and running at a predetermined interval from a planted seedling or ridge.

[0002]

2. Description of the Related Art Conventionally, a planted seedling or ridge and a marker used as an index when planting and running at a predetermined interval and a spare seedling mounting table on which a spare seedling is placed are arranged in front of a vehicle body in front of a seat. There were riding rice transplanters provided on both the left and right sides.

[0003]

In the above-mentioned prior art, since the spare seedling mounting tables are provided on the left and right sides of the front of the vehicle body, the seedlings are replenished on the body from the front side of the vehicle body when the seedlings are supplied from the ridges. Sometimes, there is an advantage that workability is good because the seedlings can be placed on the spare seedling placing table directly from the ridge. However, if the spare seedling mounting stand is provided on the left and right sides of the front of the car body, the support frame that extends up and down to support the seedling stand of the spare seedling mounting,
Positioned in front of the left and right markers, the left and right markers were difficult to see or recognize from the seat. In other words, the support frame overlaps the marker in front of the marker, making it difficult to see, or because the mounting member on which the marker is mounted and the support frame of the spare seedling mounting table are both members that extend up and down, they approach each other when viewed from the operator sitting on the seat. In such a case, it is difficult to identify the two instantly, and the marker is difficult to recognize. In particular, when the support frame of the spare seedling mounting table is composed of a plurality of frames extending vertically, this is remarkable.

In view of the above, according to the present invention, in view of workability at the time of replenishing seedlings from the ridges, while the spare seedling mounting tables are provided on the left and right sides of the front part of the vehicle body, the markers provided on the left and right sides of the front part of the vehicle body are provided from the seat. The task is to make it easy to see and recognize.

[0005]

According to the present invention, in order to solve the above-mentioned problems, a marker 41 and a spare seedling, which are used as indices when planting and running at a predetermined interval from a planted seedling or ridge, are mounted. In a riding type rice transplanter provided with the spare seedling mounting table 42 to be placed and the left and right sides of the front of the vehicle body on the front side of the seat 9, the left and right spare seedling mounting tables 42 are connected to the body and each of the left and right ones extends vertically. A seedling stand 42a is attached to a support frame 43, and the support frame 43 is disposed so as to be shifted forward and backward from the center of the seedling stand 42a in the front-rear direction, and the marker 41 is connected to an airframe and extends vertically. in mounting, and, the Ma
The rider- type rice transplanter is characterized in that the car 41 is positioned so as to be shifted from the front and rear center position of the seedling stand 42a to the side where the support frame 43 is shifted front and rear during operation. .

[0006]

In this riding type rice transplanter, the support frame 43 of the spare seedling mounting table 42 is constituted by one and the seedling table 42 is provided.
a is shifted forward and backward from the center of the front and rear of a, and
As a result, the marker 41 is disposed so as to be located in a space widely formed on the side opposite to the side on which the support frame 43 is shifted, and therefore, when viewed from an operator sitting on the seat 9, the marker 41 41 and the marker mounting member 41a can be seen left and right away from the support frame 43.

[0007]

According to the present invention, the marker 41 can be seen left and right from the support frame 43 of the spare seedling placing stand 42 when viewed from the operator sitting on the seat 9. And it is difficult for the marker 41 to be difficult to see because it overlaps the front side of the marker 41.
Further, the marker mounting member 4 on which the marker 41 is mounted.
If 1a and the support frame 43 of the preliminary seedling mounting table 42 are both members that extend up and down and appear to be close to each other, it is difficult to instantly identify them, but the support frame 43 is constituted by one, and Since the support frame 43 and the marker mounting member 41a can be seen left and right apart,
The marker 41 becomes easy to recognize. Therefore,
In view of workability at the time of replenishing seedlings from the ridges, while the spare seedling mounting table 42 is provided on the left and right sides of the front of the vehicle body, the markers 41 provided on the left and right sides of the front of the vehicle body are easily visible from the seat 9 and can be easily recognized. And workability is improved.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described in detail with reference to the drawings. As shown in FIG. 1, the riding type rice transplanter has a configuration in which a seedling transplanting machine 2 is mounted via a link 22 behind the riding type traveling body 1. Hereinafter, the specific configuration will be described based on reference numerals.

Reference numeral 3 denotes an engine, which is mounted on a single frame 7a fixed rearward from the rear end of the transmission case 6 between the front wheels 4, 4 and the rear wheels 5, 5 in the front-rear direction. ing.

Reference numeral 8a denotes a step floor, which is integrally formed with an engine cover 8b that covers the upper side of the engine 3.
A seat 9 is provided on the engine cover 8b.

The output shaft 3a of the engine 3 is directed to the left, and the rotational power of the output shaft 3a is transmitted to the front via a belt transmission mechanism 10, and the hydraulic pump 11 is fixed to the transmission case 6. Drive. Power is transmitted further forward from the drive shaft 11a of the hydraulic pump 11 via an auxiliary transmission 12 of a belt transmission mechanism capable of transmission, and rotational power is input to an input shaft 6a on the front side of the transmission case 6. The power transmitted into the transmission case 6 is transmitted to the traveling and working machine system.

In the auxiliary transmission 12, two pulleys having the same diameter are mounted on the drive shaft 11a of the hydraulic pump 11, and two pulleys having a large diameter and a small diameter are mounted on the input shaft 6a of the transmission case 6, respectively. A mechanism for applying tension so that a belt that is transmitted to the large-diameter side pulley 12a (for low-speed transmission) and a belt that transmits to the small-diameter side pulley 12b (for high-speed transmission) selectively transmit belts. It has become. As a result, it is possible to selectively transmit a two-stage reduction ratio of low speed and high speed. The outer side surface of the auxiliary transmission 12 is provided with a cover 1.
Covered with 2 '.

The front wheels 4, 4 are mounted on the lower case 14b of the front wheel transmission cases 14a, 14b vertically arranged on the left and right sides behind the transmission case 6 via the extensions 13, 13. I have. In the transmission to the front wheels 4, 4, the power input to the transmission case 6 is further decelerated in the transmission, and the extension case 13 and the front wheel transmission cases 14a, 14a, 14
The power is transmitted to the left and right front wheels 4 and 4 via the transmission mechanisms in b and 14b. The front wheels 4, 4 are steered wheels, and steering operation of the steering wheel 15 is transmitted by a steering shaft 15a,
A lower case 14b, 1 rotatable with respect to an upper front wheel transmission case 14a via an arm 16, a rod 17,
4b, the front wheels 4, 4 are steered and turned in accordance with the turning of the handle 15.

The rear wheels 5, 5 are rear wheels on the right and left ends of a rear wheel frame 19 rotatably mounted on a rolling shaft 18 fixed rearward to the center of the horizontal frame 7b at the rear end of the frame 7a. The gear case 20 is mounted on the shaft. Therefore, the rear wheels 5, 5 are configured to be able to roll around the rolling axis 18. The transmission to the rear wheels 5, 5 is performed after the power in the transmission case 6 is made to protrude rearward from right and left rear portions of the rear end of the transmission case 6 via a rear wheel differential device in the transmission. Wheel drive shaft 2
1 and 21, the drive shafts 21 and 21 and the input shafts 20a and 20a of the rear wheel gear cases 20 and 20 are connected to the rear wheel transmission shafts 22 and 22 having universal joints and expansion joints, respectively. Power is transmitted to 5,5.

Reference numeral 23 denotes a hydraulic cylinder. The base side of the cylinder is supported by a bracket fixed to the frame 7a below the engine 3 and the tip of a piston rod is formed by a link 24 connecting the traveling vehicle body 1 and the working machine 2. Upper link 24a
Are connected to an arm 25 integral with the arm. Hydraulic cylinder 2
When the oil flows into and out of the cylinder No. 3, the piston rod protrudes and retreats, and the link 24 moves up and down with the traveling vehicle body 1 side as a rotation fulcrum, and the work implement moves up and down.

The link 24 has an upper link 24a and a lower link 24b connected to a traveling vehicle body-side link base 24c fixed to the lateral frame 7b on the traveling vehicle body 1 as a link rotation fulcrum. Work machine-side link base 24 that supports the machine 2 so that it can roll freely left and right.
d is connected.

Reference numeral 25 denotes a working machine transmission shaft, which transmits the rotational power of the PTO shaft protruding rearward from the right side of the transmission case 6 to the drive shaft of the working machine 2 via a universal joint and an expansion joint.

Numeral 26 denotes a seedling mounting table, which is supported so as to be inclined such that the front side is upper and the rear side is lower. On the lower side of the seedling mounting table 26, an L-shaped seedling receiving rail 27a fixed to the planting portion transmission case 27 is engaged with a sliding contact member attached to the lower rear side of the seedling mounting table 26 to slide left and right. Supported as possible. On the upper side of the seedling mounting table 26, a roller attached to the upper end of a seedling mounting table support frame 27b having bases attached to the left and right sides of the planting portion transmission case 26 is engaged with a rail fixed to the upper rear side of the seedling mounting table 26. They are supported so that they can slide left and right. The seedling table 26 is reciprocally moved left and right by connecting the seedling table 26 to a moving shaft that reciprocates left and right by transmission in the transmission case 27 by a connecting member 27c. As a result, the seedlings placed on the seedling mounting table 26 are supplied to the planting devices 29... One by one in accordance with the planting cycle.

Numeral 28 denotes a seedling vertical feeding device, which is attached to the seedling mounting table 26 for each strip, and is driven by a driving roller 28a which is driven to rotate from the planting portion transmission case 27 when the seedling mounting table 26 moves to both left and right ends. And a number of protrusions 28d on the driven roller 28b.
Are mounted on a rubber seedling feed belt 28c provided on the surface thereof, and the belt 28c is arranged so as to slightly protrude from a square hole formed in each strip of the seedling mounting table 26. . The seedling feeding belt 28c is connected to the seedling mounting table 26.
It is also configured to be able to evacuate downward from the seedling mounting surface.
That is, as shown in FIG. 4, the upper driven roller 28b
Is supported by a T-shaped swing arm 28g rotatably supported by a shaft 28f, and the seedling feed mounting member 28
h can be swung in the range of the long hole 28i.
A spring 28j is hung on the other end of the swing arm 28g, and the driven roller 28b is urged in a direction approaching the seedling mounting table 26. The other end of the swing arm 28g is connected via a wire 28k to a clutch pedal 35 provided on the traveling vehicle body 1 side. Therefore, when the clutch pedal 35 is depressed and the operation of disengaging the main clutch is performed, the swing arm 28g swings via the wire 28k, and the driven roller 28b moves so as to be separated from the seedling mounting table 26. Seedling feed belt 28
The structure is such that c interlocks so as to retreat downward from the seedling mounting surface of the seedling mounting table 26. Release pedal and release pedal 3
When 5 returns, the retracted seedling feed belt 28c returns to the original position by the spring 28j. Thus, when the clutch pedal 35 is depressed during the planting operation and the main clutch is disengaged by the locking mechanism of the pedal 35 to supply the seedlings to the seedling mounting table 26, the seedling feed belt 28c Retreats below the seedling mounting surface, so that when the replenished seedlings slide down the seedling mounting surface, they are not caught by the seedling feed belt 28c, and the seedlings can be satisfactorily replenished. When the seedling replenishment is completed and the clutch pedal 35 is unlocked and the pedal returns to the original position to start the planting work again, the seedling feed belt 28c is returned to the original position in conjunction therewith. . Therefore, even if the seedling vertical feeding device is switched to the seedling replenishment state as described above for replenishing seedlings, the operation can be restarted without forgetting to return. The same effect can be obtained even if this mechanism is linked to a vertical operation device of a walking type rice transplanter and a lever such as a main clutch lever that is operated when supplying seedlings.

The planting device 29 is provided with a planting portion transmission case 26.
Are attached to the rear side of two planting transmission frames 27a and 27b extending rearward from the left and right ends, respectively.
The planting device 28 of each strip is a planting transmission frame 27a,
The power of the transmission case 27 is transmitted via a chain transmission mechanism in 27b. The planting device 29 includes a rotating case 30 and two planting tools 31 attached to the rotating case 30. Each of the two planting tools 31, 31 is provided with a planting claw 31a, 31a, and the tip of the planting claw 31a, 31a moves in an elliptical locus by the rotation transmission of the gear train in the case accompanying the rotation of the rotating case 30. Then, the seedlings are taken one by one according to the supply of the seedlings on the seedling mount 26 and planted in the field.

32a, 32b and 32c are respectively on the left side,
It is suspended below the planting transmission frames 27a and 27b by the centering and right leveling floats, and slides while leveling the mud surface of the planting field.

An operation panel 33 is disposed below the handle 15 and the lower side of the panel 33 is covered with a panel cover.

Numeral 34 denotes a steering post, which supports the steering shaft 12. The periphery of the post 34 is covered with a post cover 34a, and the width of the cover 34a is smaller than the outer diameter of the handle 15 in the left, right, front and rear directions.

Reference numeral 35 denotes a clutch pedal. When the pedal 35a is depressed, the main clutch is disengaged. That is, in this embodiment, both the low speed and high speed tension rollers of the auxiliary transmission 12 are released from the belt tension state, and the transmission into the transmission case 6 is cut off. Further, the clutch pedal 35 is provided with a pedal lock mechanism for holding the main clutch in a disengaged state, that is, a state in which the pedal 35a is depressed. That is, when the pedal 35a is fully depressed, the hook 35b moves to the vicinity of the locking member 35c. Then, when the pedal 35a is rotated downward around the rotation shaft 35d and the stepping is released, the hook 35b is hooked on the locking member 35c, and the clutch pedal 35 is held in the clutch disengaged state.

Reference numerals 36a and 36b denote left and right brake pedals for the rear wheels, respectively, and 37 a differential lock pedal.

Reference numeral 38 denotes a main transmission lever. Reference numeral 39 denotes a sub-shift, oil pressure, and planting lever, and one lever operates three cams for operating the sub-shift, the hydraulic valve, and the planting clutch, respectively. This lever 39 is shown in FIG.
As shown in FIG. 6, the operation at each lever position is performed by raising the seedling planting machine 2 at the lever position P1, and operating at P2 as shown in FIG. Vertical movement fixed, descends at P3. During P1 to P3, the planting clutch is in the disengaged state. And P
4. The planting clutch is engaged at P5 and disengaged again at P6.
In the sub-shift operation, the speed is changed from P1 to P4 at a low speed, and P5 and P6 are changed at a high speed. Lever position P6 that allows high-speed running with the planting clutch released next to lever position P5 for high-speed planting travel
Is provided, the efficiency of movement in the field is improved.
The lever positions P5 and P6 are pulled back to the low-speed planting lever position P4 by the return spring 39a unless held by the operator. This prevents sudden high-speed running at the start of planting.

Reference numeral 40 denotes a battery.

Reference numerals 41, 41 denote alignment markers. A stay 41 is provided on the front side and left and right sides of the traveling body 1 so as to be horizontally rotatable.
b, 41b are attached and their stays 41b, 41b
A marker mounting rod 41 which is a marker mounting member extending up and down so that the left and right position and the up and down position can be adjusted at the tip end side of
a, 41a are connected so as to hang down, and the alignment markers 41, 41 of spherical members are fixed to the lower ends of the marker mounting rods 41a, 41a. This alignment marker 41,
The front and rear positions of the aircraft 41 are arranged as far forward as possible so that the operator sitting on the seat 9 can easily drive the aircraft while checking the alignment markers 41 and 41.

These alignment markers 41, 41 allow the body to travel while being positioned above and above a previously planted streak or ridgeline adjacent to the track during planting work in a paddy field. For example, the seedling transplanting work machine 2 connected to the rear side is configured to plant seedlings at a predetermined interval between the existing streak or the ridge. Marker mounting rods 41a, stay 4 of 41a
By adjusting the connection left and right positions to 1b and 41b, seedlings can be planted at desired intervals. Marker 4
When 1, 41 comes into contact with planted seedlings or ridges, it can be dealt with by adjusting the vertical position of connection of marker mounting rods 41a, 41a to stays 41b, 41b.

Reference numeral 42 denotes a spare seedling mounting table, and the spare seedling mounting table 42 is mounted on support frames 43, 43 erected from both right and left sides of the seat 9 with the spare seedling mounting table 42 positioned in front of the seat 9. The support frames 43, 43 have their bases fixed to the left and right side surfaces of the frame 7a, and extend from the left and right ends of the step 8a in the left and right directions in plan view to slightly outside, and slightly upward from the front. Rise up towards
Further, it is bent horizontally forward near the left and right sides of the operation panel 33. Seedling frame attaching member 43 from the horizontal portion
a, 43a are erected and the seedling stand 42 is provided outside the mounting member.
are mounted horizontally on the left and right sides. As described above, the left and right spare seedling mounts 42 are configured by attaching the seedling stands 42a to the left and right support frames 43 connected to the machine body and extending vertically. Further, as shown in FIG. 1, the support frame 43 is arranged so as to be shifted from the center of the seedling stand 42a in the front-rear direction. Further, the marker mounting member 41a extending up and down, which mounts the marker 41, is disposed so as to be shifted from the front and rear center position of the seedling stand 42a to a side opposite to the side where the support frame 43 is shifted during operation. It has been done. Therefore, the support frame 43 of the spare seedling mounting table 42 is constituted by one piece, and is disposed so as to be shifted back and forth from the front and rear center position of the seedling stand 42a. Is arranged so that the marker 41 is located in a space widely formed on the front and rear opposite sides, so that the marker 41 and the marker mounting member 41a are separated from the support frame 43 by the driver sitting on the seat 9. You will be able to see away.

Therefore, when viewed from the operator sitting on the seat 9, the marker 41 can be seen left and right away from the support frame 43 of the spare seedling mounting table 42, so that the support frame 43 can be seen.
Does not easily overlap with the front side of the marker 41 to make the marker 41 difficult to see. Also, if the marker mounting member 41a on which the marker 41 is mounted and the support frame 43 of the spare seedling mounting table 42 are both members that extend up and down and appear to be close to each other, it is difficult to identify them instantaneously. Since the frame 43 is composed of a single piece, and the support frame 43 and the marker attaching member 41a can be seen left and right apart from each other, the marker 41 can be easily recognized. Therefore, in view of the workability at the time of replenishing the seedlings from the ridges, while the spare seedling mounts 42 are provided on the left and right sides of the front of the vehicle body, the markers 41 provided on the left and right sides of the front of the vehicle body are easily recognized from the seat 9. As a result, workability is improved.

The seedling stands 42a are provided with seedling frame attaching members 43.
a and 43a are rotatably mounted at the mounting portions (not shown), so that if the left and right ends of the seedling frames 42a are rotated downward, space saving at the time of stocking of the rice transplanter can be achieved. Can be.

Reference numeral 44 denotes an elevating step.

[Brief description of the drawings]

FIG. 1 is a side view showing a riding type rice transplanter.

FIG. 2 is a plan view showing a riding type rice transplanter.

FIG. 3 is a front view showing a riding type rice transplanter.

FIG. 4 is a side view showing an interlocking configuration of the seedling vertical feeding device.

FIG. 5 is a side view showing an operation state of an operation lever.

FIG. 6 is an explanatory diagram showing operation switching by an operation lever.

[Explanation of symbols]

 1: traveling vehicle body 2: seedling planting work machine 9: seat 41: alignment marker 41a: marker mounting member 42: spare seedling mounting table 42a: seedling table 43, 43: support frame

Claims (1)

(57) [Claims] A marker 41 serving as an index when planting and running at a predetermined interval from a planted seedling or ridge, and a spare seedling mounting table 42 on which a spare seedling is placed are provided in front of the vehicle body on the front side of the seat 9. In a riding type rice transplanter provided on both the left and right sides, the left and right spare seedling mounts 42 are configured by attaching a seedling stand 42a to each of right and left support frames 43 connected to the body and extending vertically. and arranged displaced back and forth from the front and rear center position of the seedling table 42a, attached to the marker 41, the marker attaching member 41a extending vertically and connected to the body, and, the mer
A riding type rice transplanter characterized in that the car 41 is disposed so as to be shifted from the front and rear center position of the seedling stand 42a to the front and rear opposite sides from the side where the support frame 43 is shifted during operation.