JP2658613B2 - Marker raising and lowering device in 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 rice transplanter, which is provided on both right and left sides of a machine so as to stand upright and draw a horizontal line.
Regarding the device for raising and lowering the line quotation marker that attaches a linear mark on the unplanted side rice field as a reference for running the aircraft for the next planting during seedling planting work in the reciprocating form, especially when turning from the outward trip to the return trip The present invention relates to a method for selecting a left and right marker with a lever for operating a planting clutch to be operated so as to be in a drawing state.

[0002]

2. Description of the Related Art Conventionally, as shown in Japanese Utility Model Application Laid-Open No. 54-135318, "provided with a dedicated lever for unraveling and storing the marker and bringing it into a drawing action posture",
No. 2,233, “with a lever for operating the planting clutch and the marker in the longitudinal direction of the machine”,
As disclosed in Japanese Patent Publication No. 33-7652, there is a "device provided with a lever for operating another device in the front-back direction and the left-right direction".

[0003]

However, in the above-mentioned Japanese Utility Model Application Laid-Open No. 54-135318, a "lever dedicated to unraveling and storing the marker to bring it into a drawing action posture" is used when the planting operation is started. When returning to the homeward path, the planting section must be raised and lowered, and the planting must be interrupted and restarted by operating the planting clutch. Immediately after the lever operation, it is necessary to select one of the left and right markers again with the marker lever and perform an operation to draw down the line, so that the entire operation in this case becomes very complicated, and the marker is sometimes forgotten. In addition, the actual opening 51-4223
As disclosed in Japanese Unexamined Patent Application Publication No. 3 (1999) -2002, in the "provided with a lever for operating the planting clutch and the marker in the longitudinal direction of the machine", the lever is operated in the longitudinal direction of the machine. Since there is no relevance, the erroneous operation may be performed at the time of the complicated turning operation as described above, and the left and right markers may be displayed, and the seedlings planted in the field may be knocked down. In the case of "provided with a lever for operating another device in the front-rear direction and the left-right direction" as disclosed in JP-B-33-7652, the operation is performed by either the left or right operation following the insertion operation of the planting clutch. There is no technical idea of producing the left and right markers, and this lever cannot be applied to rice transplanter markers. Even if it is applied, the left and right operations following the insertion operation of the planting clutch correspond to the left and right markers. Therefore, there is a problem that a wrong operation is performed at the time of a complicated turning operation as in the above-mentioned conventional example, a left-right reversed marker is output, and the seedlings planted in the field are defeated.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems of the prior art, the present invention uses a marker which is provided on both right and left sides of a rice transplanting machine so that the marker can be turned upside down by drawing the planting portion. The posture marker is switched to the non-linear upright storage position, and the marker is held in the non-linear upright storage position as a result of the simple lowering of the planting portion. The restricting groove of the lever on the "in" direction operating side of the lever to be operated is configured such that the lever can move to the left and right sides with respect to the operating direction of the planting clutch,
By operating one of the left and right markers, one of the operated left and right markers is released from the upright storage, and the marker is turned up and down in the rice transplanter.

[0005]

According to the present invention, the marker is automatically raised and stored when the planting portion is raised at the time of turning or the like, and the lever for operating the planting clutch after the planting portion is lowered after the planting portion is lowered. "
The planting clutch enters by the operation, and the left or right marker corresponding to the operation direction is released from the upright state in connection with the subsequent left or right moving operation of the lever, and the drawing operation is performed. In addition, there is no erroneous operation in the selection of the left and right markers, and the inconvenience of the conventional example, such as the tip of the marker abutting on a ridge or the like and being damaged or knocking down a seedling planted in the field can be avoided, and the operability can be improved. Can perform good and reliable operation.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a riding type rice transplanter according to an embodiment of the present invention. Reference numeral 1 denotes a passenger body, on which a driver's seat 6 is provided on a body frame 4 having a front wheel 2 and a rear wheel 3, and on the side of the driver's seat 6, a hydraulic lever 7 for raising and lowering a planting part is started to be planted. Alternatively, a planting clutch lever 8 to be stopped is provided adjacently, and a planting work machine 10 as a planting section is connected to a rear portion of the riding body 1 via a lift mechanism 9.

[0007] The planting work machine 10 is mounted below the body frame 11 so that the float 12 slides on the rice field to level the ground.
A seedling tank 13 on which seedlings are placed is supported and mounted so as to reciprocate in the left-right direction, and a plant 14 is arranged opposite to a seedling outlet at the lower end of the seedling tank 13. By the vertical movement of the body 14, the seedlings are cut out one by one from the seedling tank 13 and planted on the rice field.

The lift mechanism 9 is constructed by pivotally connecting a link mechanism 17 between a link support member 15 erected at the rear of the passenger car body and a rolling box 16 on the planting machine side. A piston rod 20 of a hydraulic cylinder 19 that is tilted rearward is connected to an integral lift arm 18 by a spring-type shock absorber 21. The expansion and contraction of the hydraulic cylinder 19 causes the link mechanism 17 to swing and plant. The working machine 10 is moved up and down.

The planting clutch lever 8 is inserted into a regulating groove 23 of the lever box 22, and rotates the regulating groove in the front-rear direction between a front entry position and a rear end cutting position of the 23. The entry position side of the restriction groove 23 is bifurcated into right and left branches, and the branch grooves 24 and 24 ′ are formed.
Is in communication with A wire pulling rod 25 is rotatably connected between the two branch grooves 24 and 24 'in the lever box 22, and a sensing plate 26 from the rod 25 is inserted into the left branch groove 24, for example. Coming, sensing plate 2 of rod 25
A wire 28 for unlocking is connected to a side substantially opposite to 6 through a lever 27. When the planting clutch lever 8 is inserted into the left branch groove 24, the sensing plate 26 is pushed to move the rod 25 to one side. And the wire 28 is pulled. A similar sensing plate 2 is also provided on the right branch groove 24 '.
6 ', so that the operation of the planting clutch lever 8 pulls another unlocking wire 28'.

On the other hand, as shown in FIG. 1 and FIG. 2, a portion of the body frame 11 of the planting machine 10 which does not interfere with, for example, the seedling tank 13 on the left side of the body frame 11 via an attachment member 29. The raising / lowering plate 30 is pivotally attached to rotate in the left / right direction. A marker 31 and a marker wire 32 are cited at one end of the raising / lowering plate 30, and a pull-back spring 33 is biased at the other end. The marker wire 32 is pulled up, the marker 31 is stored upright, and the marker wire 32 is made free to draw the marker 31 by the force of the spring 33.

The marker wire 32 is connected to a marker rod 34 provided on the side of the lifting hydraulic cylinder 19 in the link mechanism 9. The marker rod 34 has a large-diameter portion 34 a in front of the marker rod 34.
Is fitted in the hole 36 of the support 35 integrated with the hydraulic cylinder 19. The small-diameter portion 34 b behind the marker rod 34 is connected to the piston rod 20 of the hydraulic cylinder 19.
When the piston rod 20 extends through the marker pull plate 37 attached to the marker cylinder and the oil is supplied to the hydraulic cylinder 19, the stopper 38 at the rear end of the small diameter portion engages with the marker pull plate 37, and thereafter the piston rod 20 extends. With this, the marker rod 34 is pulled. Furthermore, the large diameter portion 34 of the marker rod 34
A groove 34c is formed in the groove 34a. As described above, when the marker 31 is pulled up by the marker rod 34, the locking pin 39 is automatically engaged with the groove 34c by the pushing spring 40 and locked. This locking pin is also tied to a wire 28 on the side of the implantable clutch lever 8.

Although the operation system of the left marker 31 has been described above, the right frame of the body frame 11 is also provided with a marker 31 'for quoting the right line by a similar mechanism, and a marker rod 34 connected to the marker wire 32' is provided. Is arranged in parallel with the marker rod 34 and is similarly pulled to lock, and is configured to release the lock with a wire 28 ′ from the planting clutch lever 8.

Since the present invention is configured as described above,
When turning during seedling planting, the planting clutch lever 8
Is operated to the rear cutting position, so that the planting clutch is cut and planting is interrupted. At this time, by operating the hydraulic lever 7 to supply oil to the hydraulic cylinder 19, the piston rod 20 is extended and the planting work machine is operated. You will now climb 10. Then, with the movement of the marker pulling plate 37 accompanying the extension of the piston rod 20, one of the left and right markers 31 or 31 'which has been collapsed is pulled up, stored and locked.

After turning, the hydraulic cylinder 19 is drained again by operating the hydraulic lever 7 to contract the piston rod 20, and the planting machine 10 descends, but the marker rod 3
The markers 31, 31 'after 4, 34' are fixedly held by locking pins 39 or the like. Thereafter, the planting clutch lever 8 is operated to the entry position. At this time, when the left and right markers are selected and, for example, a left marker is to be drawn, the planting clutch lever 8 is tilted into the left branch groove 24 and inserted. . Then, in the same manner as when the planting clutch enters and the planting of the seedling is re-established, the left locking pin 39 is pulled out of the groove 34c by the pulling of the wire 28 by the sensing plate 26, and the marker rod 3 is cut.
4 is released, whereby the left marker 31 is drawn sideways. When the planting clutch lever 8 is inserted into the right branch groove 24 ', the right marker 3
When 1 'is unlocked and falls down, a line is drawn.

As described above, the markers 31 and 31 'are automatically raised and stored due to the rise of the planting work machine 10 at the time of turning or the like, and the planting clutch lever 8 after the planting work machine 10 is lowered.
In response to the "enter" operation, the planting clutch enters, and the left marker 31 or the right marker 31 'corresponding to the operation direction is released from the upright state in connection with the subsequent left or right movement operation of the lever 8, and the drawing operation is performed. So that the markers 31, 31 '
And the left and right markers 31, 31 '
There is no erroneous operation in the selection, and the tip of the markers 31 and 31 ′ can be satisfactorily planted without any inconvenience, such as damage to the tips of the markers 31 and 31 ′ abutting on the ridges or defeating the seedlings planted in the field.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment in which an apparatus according to the present invention is applied to a riding type rice transplanter.

FIG. 2 is a plan view showing an embodiment in which the apparatus according to the present invention is applied to a riding type rice transplanter.

FIG. 3 is a plan view of an operation unit.

FIG. 4 is a sectional view of an operation unit.

FIG. 5 is an explanatory diagram of an operation of a main part.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Passenger vehicle body 7 Hydraulic lever 8 Planting clutch lever 9 Lift mechanism 10 Planting work machine 17 Link mechanism 19 Lifting hydraulic cylinder 22 Lever box 23 Restriction groove 24, 24 'Branch groove 31, 31' Marker

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 54-135318 (JP, U) JP-A 51-42233 (JP, U) JP-A 51-132724 (JP, U) 7652 (JP, B1)

Claims (1)

(57) [Claims] 1. A marker which can be turned upside down on both right and left sides of a rice transplanting machine is switched from a marker in a drawing action posture to a non-line drawing upright storage posture due to the rise of the planting portion, and the planting portion is simply lowered. Due to this, the marker is held in the non-lined upright storage posture as it is, and the regulating groove of the lever on the operating side of the "in" direction of the lever for operating the planting clutch after descending the planting portion is provided. The lever is configured to move to the left and right sides with respect to the operation direction of the planting clutch. By operating the left or right side, the upright storage on one of the left and right markers operated is released to draw a line. An apparatus for raising and lowering a marker in a rice transplanter, wherein the marker is configured to be in a posture.