JPH1189344A - Sulky type rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sulky type rice transplanter capable of enabling a switching operation of a crutch for planting rice on small number of rows to be readily carried out without requiring looking back to the rear direction each time, and improving operation efficiency. SOLUTION: This sulky type rice transplanter has a crutch for planting seedlings on small number of rows, and stopping a part of a structure 14 for transplanting the seedlings on the plural rows, and a crutch-operating lever 31 for operating the switching of the crutch for planting the seedlings on small number of rows and arranged in the side of an operator seat 29, and the crutch- operating lever 31 and a lifting and lowering operation lever 30 for lifting and lowering a seedling-transplanting device A are arranged so as to be divided to right and left sides.

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 having a small number of planting clutches for stopping a part of a plurality of planting mechanisms.

[0002]

2. Description of the Related Art In planting work using a rice transplanter,
In order to perform the last planting process along the edge of the ridge in all the rows, the planting one step before that may be performed with fewer rows than all the rows. For example, when using a 6-row rice transplanter, if it is necessary to plant 10 more rows up to the ridge, the last ridge planting process must be performed in all the rows (6). It is necessary to carry out the planting process in Article 4. In such a case, a few-planting clutch is used, and since a few-planting clutch is conventionally provided in the seedling planting apparatus, its operating tool is also provided in the seedling planting apparatus. Was.

[0003]

Therefore, when operating this operating tool, the driver has to look back and extend his / her hand greatly to perform the operation, and the operation of disengaging the clutch has been troublesome. In addition, since the driver cannot perform the driving operation during the clutch operation, the vehicle must be stopped, which is one of the causes of a reduction in work efficiency.

The present invention has been made in view of such a situation, and improves the working efficiency by enabling the on / off operation of the clutch for minority planting to be easily performed without having to look back each time. The purpose is to be able to.

[0005]

[Means for Solving the Problems]

(Structure, operation, and effect of the invention according to claim 1) The invention according to claim 1 includes a minority planting clutch that stops a part of the plurality of planting mechanisms,
A clutch operating lever for turning on and off the clutch for minority planting is arranged on the side of the driver's seat.

According to the above configuration, since the clutch operating lever is disposed on the side of the driver's seat, driving can be continued without turning back and operating the clutch operating lever one by one before and after the minority planting process. The clutch operation can be performed while performing the clutch operation, and the machine does not have to be stopped one by one for the clutch operation before and after the minor planting process, thereby improving the work efficiency. (Structure, operation, and effect of the invention according to claim 2) The invention according to claim 2 is the invention according to claim 1, wherein the clutch operation lever and the elevating lever for elevating the seedling planting device are provided. It is arranged on the left and right sides of the driver's seat.

According to the above configuration, the number of planting lines can be easily selected by operating the clutch while the operation is continued, and the clutch operating lever is located on the opposite side of the raising and lowering lever of the seedling planting device with respect to the driver's seat. Therefore, the clutch operation lever does not interfere with the frequently-operated elevating operation. (Structure, operation, and effect of the invention according to claim 3) The invention according to claim 3 is the invention according to claim 1 or 2, wherein a plurality of clutches for operating a plurality of clutches for minority planting exceptionally are provided. An operating lever is mounted on a common supporting member, and a mounting seat for detachably mounting a supporting member in which a clutch operating lever group is preliminarily assembled is provided on the body frame.

The above-mentioned minority planting clutch is ideally provided for each of the planting stripes. However, in order to avoid an increase in size and complexity of the apparatus, it is preferable to provide a minority planting clutch in units of two. Normally, a riding type rice transplanter has four or more multi-rows, so that one rice transplanter is equipped with at least two or more clutches for minor planting, and a clutch operating lever is provided. Will be equipped with the same number. Therefore, by mounting the plurality of clutch operation levers to the fuselage in a state where they are pre-assembled on the common support member, the assembling workability is higher than when each of the latch operating tools is mounted on the fuselage one by one. Becomes

That is, according to the third aspect of the invention, the operability of the minority planting clutch can be improved, and the assembling workability thereof can be enhanced, which is practically effective.

[0010]

FIG. 1 is a side view of a riding type rice transplanter with a fertilizer device to which the present invention is applied. This rice transplanter raises and lowers a six-row seedling planting apparatus A via a lifting link mechanism 4 driven by a hydraulic cylinder 3 behind a four-wheel drive traveling body 1 having an engine 2 mounted on the front of the body. Fertilizer B which connects freely and embeds powdery and granular fertilizer in the rear part of the traveling machine body 1 for each planting line.
The engine power is transmitted to the front and rear wheels 6 and 7 via the transmission case 5, and the power branched in the transmission case 5 is transmitted to the PTO.
The fertilizer applicator B is driven by the power transmitted to the seedling planting device A via the transmission shaft 8 and taken out from the PTO transmission shaft 8 via the crank mechanism 9.

As shown in FIG. 14, the lifting link mechanism 4 has a pair of left and right lower links 4a pivotally connected to the body frame 10 with a large left-right spacing, and is pivotally connected to the body frame 10 with a small left-right spacing. A pair of left and right upper links 4b, and a rear vertical link 4c for pivotally connecting the rear ends of the lower link 4a and the upper link 4b, and a front fulcrum of the upper link 4b and a rear fulcrum of the lower link 4a. The lower link 4a on the left and right is connected to a reinforcing pipe 4d by a drive shortening operation of the hydraulic cylinder 3 installed over the
And the torsion strength of the entire link mechanism 4 is increased.

The seedling planting apparatus A includes a transmission case 10 connected to the rear end of the elevating link mechanism 4, a horizontal frame 11 formed in a horizontally long rectangular pipe shape, and a seedling cradle which reciprocates and moves laterally with a constant stroke. 12, three planting cases 1 extending from the horizontal frame 11 to the rear in a cantilever manner
3. Six sets of rotary planting mechanisms 14 for cutting and planting the seedlings F placed on the seedling rest 13 from the lower end thereof, and a belt type for vertically feeding the placed seedlings F toward the lower end of the seedling rest 13 A vertical feed mechanism 15, three leveling floats 16 for leveling the planting field by two lines, and the like are provided, and two sets of the above-described planting mechanisms 14 are provided on the right and left rear portions of each planting case 13.

[0013] As shown in FIG.
3 is configured to receive power from the transmission case 10 at the base thereof to drive each planting mechanism 14, and the base input portion of each planting case 13 is equipped with a minority planting clutch 17. Line planting clutch 1
By turning on and off 7, the planting operation can be turned on and off in two-row units. Although not shown, each minority planting clutch 17 is spring-biased toward the clutch engagement side.

The lower end driving portion of the belt type vertical feed mechanism 15 is provided with a vertical feed clutch 18 for stopping the belt drive in units of two lines, and this is also biased by a spring toward the clutch engagement side.

As shown in FIG. 2, the fertilizer applicator B comprises a fertilizer hopper 21 for storing fertilizer, a rotary roll type feeding mechanism 22 for feeding a set amount of fertilizer from a lower portion of the hopper for each strip, and this feeding mechanism 22. A blower 25 for air-feeding the fed fertilizer to a groove generator 23 provided on the leveling float 16 via a hose 24, an electric motor 26 for driving the blower 25, and the like are provided. Is provided with a fertilizer application clutch 27 that turns on and off the feeding of fertilizer by intermittently performing roll drive in units of two. The fertilizer application clutch 27 is also biased toward the clutch engagement side.

A fender 28 for the rear wheel 7 is provided at a rear portion of the traveling body, and an intermediate portion of the fender 28 is raised, and a driver's seat 29 is disposed on an upper surface thereof. On the right side of the fender 28, an elevating lever 30 for raising and lowering the seedling planting apparatus A is disposed, and on the left side of the fender 28, the minority planting clutch 17, the longitudinal feed clutch 18, and , Three clutch operating levers 31 for turning on and off the fertilizing clutch 27 are provided.

As shown in FIGS. 4 and 5, the lifting lever 30 is provided with a control valve 33 for lifting and lowering mounted on the right side of the body frame 32 and the transmission case for connecting and disconnecting the output to the PTO transmission shaft 8. 5 is mechanically linked to the planting clutch 34 provided inside and is configured to be capable of swinging back and forth. From the rear to the front, "up u", "neutral n", "down d", and "Planting p"
Each operation position is set. Then, at “up”, the control valve 33 is switched to the up position, and the seedling planting apparatus A is operated to rise. At “neutral n”, the control valve 33 is placed at the neutral position and the seedling planting apparatus A is moved to an arbitrary height. At the time of "descent d" and "planting p", automatic elevation control is performed by switching the control valve 33 in conjunction with the vertical displacement of the center leveling float 16a,
In addition, the planting clutch 34 is turned on and operated only at "planting p", and planting is performed while performing automatic elevation control.

As shown in FIG. 3, on the left and right sides of the seedling planting apparatus A, a drawing marker 35 for scratching and forming a running reference line for the next step on the rice field can be raised and lowered around a fulcrum a, and protrudes by a spring. Be prepared for the energized state,
Operation wire 36 extended from each drawing marker 35
Are guided to a marker operating mechanism C provided at the rear of the traveling machine body 1 so that the marker can be moved in and out in conjunction with the raising and lowering operation of the seedling planting apparatus A.

As shown in FIG. 6, the marker operating mechanism C has a support 37 fixed to the left and right between the body frames 32, and is pivotally supported by the support 37 so as to be able to swing around a horizontal horizontal fulcrum b. A pair of left and right marker operation levers 38, a pair of left and right lock fittings 39 pivotally connected to be able to swing left and right around the vertical fulcrum c, a lock release fitting 40 pivotally connected to be able to swing left and right around the vertical fulcrum c, And a pair of left and right operation arms 41 extending downward from the base of the upper link 4b in the lifting link mechanism 4, and the like.
Operation wires 36 extending from the drawing markers 35 are connected to left and right marker operation levers 38, respectively.

As shown in FIG. 7, an operation bar 41a is erected at the tip of both operation arms 41 extending from the base of the upper link 4b. By swinging 41 backward,
The operation bar 41a abuts and swings the two marker operation levers 38 rearward, whereby the operation wire 36 is pulled and the both line drawing markers 35 are both raised and stored. When the lifting link mechanism 4 is raised to the upper limit and the two marker operating levers 38 are contacted and swung to a predetermined position, the ends of the two lock fittings 39 which are pulled and urged by the spring 42 are moved to the marker operating levers. 38 to prevent its return swing. In the state where the marker operation lever 38 is locked in this manner, even if the seedling planting device A is lowered next, each of the drawing markers 35 is maintained in the upright stored state. It is necessary to release the lock of the marker operation lever 38 by the lock release fitting 40.

The lock release fitting 40 is connected to the lift lever 30.
Is operated as follows. That is, as shown in FIGS. 5 and 6, an arm 30a is protruded from the base of the elevating lever 30, and the arm 30a is engaged only when the elevating lever 30 is operated to “planting p”. An operation member 43 having a groove 43a is attached to a side portion of the body frame 32 so as to be able to swing left and right around a fulcrum y, and the operation member 43 and the unlocking bracket 40 are linked and connected via a rod 44. I have.

According to the above configuration, the drawing marker operation is performed as follows. At the time of the planting travel in one stroke, the drawing marker 35 on the already planted side is stored and locked, and the drawing marker 35 on the unplanted side is protruded to the working posture. Then, the elevating lever 30 is operated to “up u” to perform the aircraft direction change operation. As the seedling planting apparatus A rises, the undrawn planting side drawing marker 35 that has protruded is stored standing up, and the both drawing markers 35 are locked in the standing storage posture.

When the change of the body direction approaches the end, the lifting lever 30 is once operated to “down d” to set the planting clutch 3.
The seedling planting apparatus A is brought down and grounded by the automatic raising / lowering control with the switch 4 turned off, and when the alignment to the next step is completed, the raising / lowering lever 30 is operated to “planting p” to set the planting clutch 3
4 is turned on to start planting and running in the next step. And
When the raising / lowering lever 30 is operated to “planting p”, the raising / lowering lever 30 is laterally operated in any of the left and right directions. By the lateral operation of the elevating lever 30, the operating member 43 is swung to one side in the left-right direction.
Is pivoted, and one of the lock fittings 39 is released, and the operation wire 36 linked to the one of the marker operation levers 38 is released.
Is relaxed, and only the drawing marker 35 on the side stored in the previous stroke is protruded and swung to the working posture. Thereafter, the above-described operation is performed each time the airframe direction changes at the edge of the ridge, and the drawing markers 35 are alternately used left and right for each stroke.

As shown in FIG. 10 to FIG.
The three clutch operation levers 31 arranged on the left side of the
Each of the minority planting clutches 17, the longitudinal feed clutch 18, which is connected to and supported by the common support member 45 so as to be able to swing up and down around the fulcrum x and is urged in the clutch engagement direction,
Operation wires 46 associated with each of the fertilizing clutches 27
Are linked to each clutch operation lever 31 via a curved link 47 for moving over a dead point.

The clutch operating lever 31 is swung rearward to pull the operating wire 46, and the minority planting clutch 17, the vertical feed clutch 18 and the fertilizing clutch 27 corresponding to the clutch lever 31 are moved. When the clutch lever 31 is disengaged forward, the operation wire 46 is disengaged.
By loosening the clutch, the corresponding minority planting clutch 17, the vertical feed clutch 18, and the fertilizing clutch 27 are engaged. In addition, since both operation positions for engaging and disengaging both clutches are located on both sides of the dead point, the clutch operation lever 31 is held at each operation position.

The clutch operating lever 31, the curved link 47, the operating wire 46, and the like are mounted on the support member 45 in advance, and the mounting seat fixed to the horizontal pipe frame 32a of the body frame 32. The support member 45 pre-assembled at 48 is connected by bolts.

[Brief description of the drawings]

FIG. 1 is an overall side view of a rice transplanter with a fertilizer application device.

FIG. 2 is a rear view of the fertilizer application device.

FIG. 3 is a front view of a drawing marker.

FIG. 4 is a side view around the lifting lever.

FIG. 5 is a perspective view of a lifting lever.

FIG. 6 is an overall plan view of the marker operation mechanism.

FIG. 7 is a front view showing a part of the marker operation mechanism.

FIG. 8 is a plan view showing a part of the marker operation mechanism.

9A is a side view showing the marker operating mechanism in a state where one of the drawing markers is in a protruding operation. FIG. 9B is a side view showing the marker operating mechanism in a state where the both drawing markers are stored.

FIG. 10 is a side view showing the vicinity of a clutch operation lever.

FIG. 11 is a front view of an operation unit.

FIG. 12 is a plan view showing the vicinity of a clutch operation lever.

FIG. 13 is a linkage diagram of a clutch operation system.

FIG. 14 is a plan view of a lifting link mechanism.

[Explanation of symbols]

 15 Planting Mechanism 17 Minority Planting Clutch 29 Driver's Seat 30 Elevating Lever 31 Clutch Operating Lever 32 Body Frame 48 Mounting Seat A Seedling Planting Device

Claims (3)

[Claims] The present invention further comprises a minor planting clutch for stopping a part of the plurality of planting mechanisms, and a clutch operating lever for turning on / off the minor planting clutch is disposed on a side of a driver's seat. A riding rice transplanter. 2. The riding rice transplanter according to claim 1, wherein the clutch operating lever and an elevating lever for raising and lowering the seedling planting device are arranged separately on the left and right sides of a driver's seat. 3. A mounting seat for equipping a common support member with a plurality of clutch operation levers for operating a plurality of clutches for minority planting in particular, and for detachably mounting a support member in which a clutch operation lever group is pre-assembled. The riding type rice transplanter according to claim 1 or 2, wherein is provided on a body frame.