JP3455278B2 - Sheet laying device for 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 sheet laying device having a roll for rolling the upper surface of a sheet with the progress of a transplanter and laying it on the ground, and seedlings etc. from the upper surface of the sheet laid on the ground by the roll. Sheet laying device in a transplanting machine having a transplanting part for transplanting the transplanted material on the ground.

[0002]

2. Description of the Related Art In recent years, in a field such as rice cultivation or upland cultivation, a sheet (multi-film) formed of paper or vinyl film has been laid in a field scene, and seedlings are pierced from this sheet with a transplant nail. The multi-transplant cultivation to be planted has attracted attention and is being carried out as an effective cultivation method that prevents the overgrowth of weeds, is labor-saving, and promotes the growth of crops.

A so-called multi-transplanter that does this mechanically is a sheet laying device provided with a roll for feeding a sheet to the rear part of the traveling machine body and laying it in a field scene, and a seedling laid on the sheet laid on the ground by the roll. The roll is made longer than the sheet width and protrudes from both side ends of the sheet so as to roll the entire width of the sheet from above.

[0004]

The laying work of the sheet by the transplanting machine is intended to cover the entire surface of the field to prevent weeds, and on the side end portion of the sheet already laid in the field scene, The side edges of the next sheets to be laid are laid one on top of the other, or the two adjacent sheets are laid very close to each other.

However, in the operation by the conventional multi-transplanter, since the end of the roll projects from the side end of the sheet, the projecting roll end comes into contact with the end of the existing sheet, and is caught. Further, if the roll mounted on the already laid sheet is not properly rotated, the already laid sheet may be caught and peeled off. In such a case, there is a problem that the existing sheet is pulled by a roll and the seedlings transplanted to the sheet are pushed down. Therefore, the present invention is intended to provide a seat laying device in a multi-transplanter capable of solving the above-mentioned conventional problems.

[0006]

Means for Solving the Problems A sheet for a transplanter of the present invention
For laying device to solve the above problems, a sheet laying device for laying on the ground to the upper surface of the sheet S rolling pressure, the said sea
In a transplanter having a transplanting unit for transplanting a transplant such as a seedling onto the ground from above the sheet S laid on the ground by the laying device, rolling is performed while moving up and down along unevenness of the field.
The length of the roll 11 provided so as not to protrude from both side ends of the sheet S at equivalent sheet S width that, after the roll 11
The rear roll 11e is provided at both ends of the sheet S to float the both ends of the sheet S.
It is characterized by preventing rising .

Further, the roll 11 is supported by the transplanter A so as to be movable up and down, serves as a sensing device for instructing the raising and lowering operation of the transplanter A, and a portion higher than the ground contact height of the roll 11 is provided in front of the roll 11. The guide member 11c for laying and guiding the sheet S is provided laterally.

[0008]

[Operation] In the transplanting work according to the present invention, the roll 11 for rolling the sheet S provided on the lower part of the transplanter A onto the ground is used.
Is provided in the side end portion of the sheet S without protruding from the edge portion of the sheet S, the roll 11 can be installed when the side end portion of the adjacent sheet S is laid on the already laid sheet S. Good laying can be performed without hitting or breaking the already laid sheet S, and the field scene can be covered while appropriately stacking according to the shape of the field and the laid state of the sheet S, and a good transplanting operation is performed.

Further, the roll 11, which rolls the upper surface of the sheet S on the ground, is used as a sensing device for instructing the raising / lowering operation of the multi-transplanter, and a guide member 11c provided in front of the sensing device.
Receives the reaction force when the sheet S is unwound and laid and the pulling force caused by the sudden start of the machine body, so that the malfunction of the roll 11 can be prevented and the multi-transplanter can be accurately moved up and down to determine the implant. Can be satisfactorily planted at the planting depth of.

[0010]

EXAMPLES Examples of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a passenger rice transplanter B equipped with a transplanter (multi-transplanter) A, which has front wheels 2 and rear wheels 2a, an engine 3 in the front part, and a driver's seat 4 near the rear part. A transplanter A having a transplant portion C at the rear of the machine body 1 and a multi-device (sheet laying device) 5 at a lower portion on the front side thereof is supported by a lift link mechanism 6 which is hydraulically moved up and down so as to be able to move up and down.

The transplanting section C is placed on the transmission case 7 in a front-back and low-back inclined manner, and a seedling mounting table 8 for mounting mat seedlings is provided. Five pieces of transplanting claws 9 for scraping off the seedlings are provided in the field, and a storage portion 10 for the rolled sheet S is provided in front of the lower portion of the transmission case 7, and a roll for rolling the sheet S onto the ground. A multi-device 5 as a laying device for the sheet S including a float (roll) 11 and the like is configured.

Further, in the storage section 10, a sheet S corresponding to the machine width of the transplanting section C wider than the planting width of the above-mentioned five rows is rolled up from the roll float 11 so that the sheet S is pushed out to the field scene. Then, the fed-out sheet S is laid along the ground by the leading roll 11a and the trailing roll 11b supported by the equalizer mechanism E so as to be swingable and rotatable.

The roll float 11 is a sheet S.
The sensor E1 detects the movement of the support arm of the equalizer mechanism E, in which the leading roll 11a and the trailing roll 11b move up and down along the unevenness of the ground when they are pressed against the ground and laid,
The lifting link mechanism 6 is hydraulically controlled to move the transplanter A up and down so that the transplantation depth of the transplantation part C is kept constant. It is configured as a device.

Further, in front of the roll float 11, a sheet S laid by horizontally arranging a guide roll (guide member) 11c at a position higher than the installation surface by [h] by a support arm 11e is installed on both rolls. The sheet is being laid while being stretched and laid by 11, 11c at a gentle warp-like forward angle, and the initial resistance for laying is shared by the guide rolls 11c. For example, when the machine body 1 suddenly starts, The automatic control of the planting depth is accurately performed by preventing the problem that S is pulled and the roll float 11 is moved upward.

Further, in the roll float 11, as shown in FIG. 3, the length L1 of the leading roll 11a and the trailing roll 11b is made slightly shorter than the width L2 of the sheet S in plan view so that both ends thereof are side edges of the sheet S. In addition to not protruding from the shaft, a smooth conical surface 11d is formed at both shaft ends. Then, behind the conical surface 11d formed at the end of the roll float 11, a rear roll 11e that presses both ends of the sheet S and lays it down is formed in a conical surface opposite to the conical surface 11d. Both ends of the sheet S that has been installed and laid down are pressed against each other to prevent the sheet S from peeling off from the both ends, and a good laying work is performed, and the floating of the sheet S is also prevented. In FIG. 1, reference numeral 12 denotes a pressing guide rod that presses both ends of the sheet S laid on the ground into the ground to prevent the sheet S from rising.

Next, as shown in FIGS. 1, 2 and 4, a cutter 13 for cutting the sheet S laid on the ground in the width direction behind the transplanting claw 9 is pivotally movable up and down to a proper position of the multi-transplanter A. The lifting lever 13b is attached to the rear end of the supported support rod 13a and installed in the vicinity of the driver's seat 4 so as to be lifted and cut so as to be cut. 14 [FIG. 4 (A)] is a sheet driving rod for partially piercing and fixing the laid sheet S on the ground, so that it is located on the front side of the cutter 13 on the side of the planting claw 9. Projected by the number of mortgages, Figure 4
As shown in (C), when the elevating lever 13b is operated to a position regulated by the guide end (N) of the lever guide 13c, the sheet S is punched on the ground at the non-cutting position of the cutter 13. I am trying to do it. As a result of the sheet protrusion S1 of the hole P bored therein being inserted into the ground, the rear end of the sheet S is properly fixed to the ground, and the seedlings are pushed down by dragging the sheet S or the rear end of the sheet S by wind. It is designed to prevent the parts from turning over.
From this state, move the lifting lever 13b to the lever guide 13
By operating to (M) in c, the cutter 13 can be further lowered to cut the sheet S.

Further, a safety cover 15 for covering the outer periphery of the cutter 13 is provided at the raised non-cutting position to prevent the cutter 13 from being deformed or damaged due to contact with an obstacle at the time of a ridge work or the like. The contact force is used to ensure safety. The safety cover 15 is firmly and stably supported by stays 15a projecting rearward from the transmission case 7 at a proper number in the width direction.

Therefore, when the passenger rice transplanter B is moved forward to perform a multi-transplanting operation, a guide roll (guide member) is used.
11c feeds the sheet S while performing soil leveling in front of the roll float 11. Then, the roll S float 11 adapts to the unevenness of the ground in a state where there is little soil pushing, and the sheet S that is rolled up and down while being moved up and down and pulled out along with the forward traveling is satisfactorily laid in the field scene, and the seedling is laid on the surface of the laid sheet S. Are accurately transplanted with the planting nail 9.

At this time, as shown in FIGS. 5A and 5B, as the seat S rolled on the ground, the seat S2 on the headland side is first laid, and the seat S3 is laid on the right side thereof, and then on the left side in sequence. Laying the sheet S4, which will be
Finally, the sheet S4 is continuously laid so as to overlap with the sheet S2 on the headland side and the sheet S3 on the right side, and rolling is performed to perform a multi-transplanting operation.

Further, as shown in FIG. 5 (C), the adjacent sheets S may be laid close to each other so that the ends thereof are not overlapped with each other. Sheet S laid as described above
On the other hand, by appropriately driving the stopper T shown in FIG. 5 (D) into the laying start end portion or the side end portion or between the plants of the transplanted seedlings, the sheet S can be reliably roll-pressed and fixed to the ground. .

In addition to artificially driving the stopper T, for example, an automatic supply device (not shown) for the stopper T is installed on the sheet driving rod 14 so that the sheet driving rod 1 can be driven.
You may make it drive | work mechanically by the raising / lowering operation of 4. The stopper T is formed into a hollow container-like pin shape with a special polymer material having biodegradability after the time of driving, and a rear lid that accommodates the binder fertilizer W that promotes the initial growth of paddy rice, for example. It is convenient to use the one closed at T1 because both the sheet S can be stopped and the fertilizer can be applied.

Alternatively, the tip of the stopper T may be formed thin so that the stopper T is gradually decomposed from the deep portion in the ground so that the fertilizing effect can be maintained for good effect. Furthermore, the stopper T having the above-mentioned structure is used in paddy fields,
As shown in FIG. 5 (E), the fertilizer can be effectively used as a fertilizer for field action and as a fertilizer for adjusting the fertilizer component or the fertilizer application timing.

Further, inside the stopper T, the sheet S
It may be used in a state of containing a degassing agent that removes the gas in the ground covered with the. In this case, the gas in the ground such as the paddy field covered with the sheet S by the stopper T is accumulated inside. Since it can be removed without causing it, root damage of seedlings can be eliminated.

[0024]

Sheet laying device implantation machine according to the present invention is a sheet of laying an upper surface of the sheet S rolling pressure and on the ground
In a transplanter having a laying device and a transplanting unit for transplanting a transplant such as seedling onto the ground from above the sheet S laid on the ground by the sheet laying device ,
The length of the roll 11 which applies rolling while moving downward at equivalent sheet S width provided so as not to protrude from both side ends of the sheet S,
The rear rolls 11e are provided at both rear ends of the roll 11.
The feature of the present invention is to prevent the both ends of the sheet S from floating .

Therefore, when the side edges of adjacent sheets are laid on top of the already laid sheet, the roll is in good contact with the already laid sheet without being caught or broken. It can be laid, and the field scene can be covered smoothly while freely overlapping according to the shape of the field and the laid state of the sheets. Therefore, it is not necessary to partially manually peel off the sheet laid on the headland like the conventional device and lay it with correction, and it is possible to lay the next sheet on this sheet as it is and lay it efficiently. It will be possible. Further, since the pulling or pressing of the sheet is suppressed, it is possible to perform a good transplanting work without pushing down the seedlings or wrinkling the sheet.

Further, a roll 11 for laying the sheet
Is a sensing device for instructing the raising / lowering operation of the transplanter A, and a guide member for laying and guiding a sheet is installed in front of the roll 11 at a position higher than this roll.
Rolling out the reaction force and the pulling force when the aircraft suddenly starts while rolling out S when rolling out and laying the sheet
It is possible to prevent the malfunction of the roll by receiving it with the guide member and to accurately sense the unevenness of the ground through the sheet without directly adding it to the transplanter A, so that the transplanter A can be accurately moved up and down to perform the predetermined planting. It can be implanted in the depth to improve its accuracy.

Further, the guide member acts so as to extend the wrinkles at the time of feeding the sheet when the machine body is bent and run,
Since a preliminary laying action is performed in front of the roll 11, wrinkles can be prevented from occurring and the laying work can be performed satisfactorily and efficiently.

[Brief description of drawings]

FIG. 1 is a side view of a multi-transplanter equipped with an embodiment of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a plan view showing a main part of the seat laying apparatus.

FIG. 4A is a side view showing a driving state of a driving rod;
(B) is a plan view of (A), and (C) is a plan view showing the operation of the elevating lever in the lever guide.

FIG. 5 shows a manner of laying a seat and using a stopper,
(A) is a perspective view showing a laid state of a sheet in a field, (B) and (C) are sectional views showing respective examples of the laying method, (D) is a sectional view of a stopper, and ( E) is a cross-sectional view showing another usage example of the stopper.

[Explanation of symbols]

11 rolls (float rolls) 11a leading rolls 11b trailing rolls 11c guide rolls (guide members) A multi-transplanter C transplanting section E equalizer mechanism S sheet

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Claims (2)

(57) [Claims] 1. A sheet laying device for rolling the upper surface of a sheet S to lay it on the ground, and a transplant for transplanting a transplant such as a seedling onto the ground from above the sheet S laid on the ground by the sheet laying device. in transplantation machine having a part, the field of irregularities
The length of the roll 11 that rolls while moving up and down along the sheet S is equal to the width of the sheet S so as not to project from both side ends of the sheet S , and the rear roll 11 is provided at both rear end portions of the roll 11.
A sheet laying device for a transplanter, which is provided with e to prevent the both ends of the sheet S from being lifted . 2. The roll 11 is supported by the transplanter A so as to be movable up and down, and is used as a sensing device for instructing an up-and-down movement of the transplanter A. A portion higher than the ground contact height of the roll 11 is provided in front of the roll 11. Guide member 1 for laying and guiding the sheet S with
The sheet laying device in the transplanter according to claim 1, wherein 1c is provided horizontally.