JPH0314Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an improvement of a planting device for a rice transplanter. Traditionally, it is the first planting device for rice transplanters.
As shown in Figures A and B, a vehicle for scraping seedlings is fixed to the tip of the planting rod, and a fork for pushing out seedlings can be moved back and forth in the longitudinal direction of the vehicle via a rod on the back side of the vehicle. It is often used by attaching it to the This thing always moves up and down in a constant motion trajectory, and at the moment it descends from the top dead center, it scrapes off the pine seedlings one by one from the pine seedlings on the seedling platform with a vehicle and carries them down to the rice field. Immediately before reaching the dead center, the fork-ha moves downward and pushes the seedlings into the mud, and then, when it starts its upward stroke from the bottom dead center, the fork-ha returns to its upward motion, repeating this series of steps continuously. Seedlings are now being planted.

In this way, each time a seedling is planted, the beakro and the fukuha are immersed in the mud and the fukuha moves up and down, so there is an inconvenience that the mud tends to adhere to the beekro and the fukuha and accumulate in sequence. In particular, conventional planting equipment has a structure with a gap between the beakrow and the forkwafer as shown in the figure, and this combined with the fact that the beakrow is formed in a substantially gate-shaped cross section, tends to promote the accumulation of mud. It is something.

In other words, when the planting rod lifts up after planting the seedlings scraped with the vehicle on the rice field, it traps the mud into the gap between the vehicle and the field, and the mud is sequentially compressed and hardened by the up and down movement of the field. Planting may be difficult if the foliage malfunctions and eventually it becomes impossible to plant, or if there is little water and the mud in the field is relatively hard or clayey, or if the bed soil for pine seedlings is sticky. After the seedbed soil that was supposed to be removed is lifted up as it is attached to the beaker, the next time the seedlings are scraped, the seedbed soil is pushed upward through the cutout of the fork, and the soil is successively filled into the gap. Soil was clogged, causing the same inconvenience as above.

The present invention can completely eliminate the above-mentioned inconveniences without adding any special parts, and can always ensure the normal operation of the planting rod. The present invention aims to provide a planting device for a rice transplanter that is also suitable for planting crops.

To explain the structure of the present invention with reference to an embodiment shown in the drawings, 1 is a planting rod, and at its tip there is a beak 2 for scraping seedlings which has a notched groove 2' on the back side of the seedling scraping part. is fixed. Reference numeral 3 denotes a rod fitted into the planting rod 1 so as to be freely retractable, and a fork 4 for pushing out seedlings is connected to the tip of the rod. This fork 4 has an arm part 4a and a seedbed soil pushing part 4b, and the arm part 4a is arranged along the back surface 2a of the seedling scraping part of the beak 2 and along the notch groove 2' of the beak 2, as shown in the figure. The seedbed soil extrusion section 4b is formed by protruding the tip of the arm section 4a downward in a bifurcated direction in a direction away from the beak 2. .

The lower surface of the seedbed soil extrusion section 4b is formed into a curved surface 4'b having an arcuate shape when viewed from the side.

5 is a seedling stand, and 6 is a locus of movement of the planting rod 1.

In the configuration as described above, the seedling stand 5 is used during planting work.
When scraping the upper pine seedlings (not shown) one by one, the upper surface of the seedling soil a' is removed by the lower surface of the pair of left and right seedling soil pushing parts 4b and 4b of the fork 4 and the thick part of the tip of the arm part 4a. Since it is pressed in the direction of scraping the seedlings on the three sides along the scraping and dividing surface (the left and right top shoulders and the top shoulder on the rear side in the direction of seedling delivery), the action of scraping and dividing the seedlings from the pine seedlings is extremely accurate and good. It will be done. The seedling a scraped off as described above is supported on three sides of the bed soil a' by the rear surface 2a of the seedling scraping part of the beak 2 and the left and right side surfaces 2b, as shown in FIG. The shoulders of the upper surface of the seedbed soil a' are received by the curved surface 4'b on the lower surface of the soil extrusion part 4b and the thick part at the tip of the arm part 4a on the left, right and rear sides, allowing seedlings to be planted on the rice field in an extremely stable state. carried to the position. Therefore, the seedlings will not slip upward or the conveyance posture will be disturbed during the conveyance of the seedlings from the seedling scraping position to the planting position. Then, the fork 4 just before reaching the bottom dead center of the movement trajectory 6 descends to push out the seedbed soil a' into the mud and perform planting. When the planting is completed, the planting rod 1 rises and the fork 4 itself also After returning to the top, the next seedling scraping and planting will take place. When planting seedlings, the force of pushing out the seedlings by the fork 4 is precisely carried out on the three sides of the upper surface of the divided seedlings, the left and right shoulders and the rear shoulder, as in the case of scraping and dividing the seedlings, so that the seedlings do not grow in the mud. To ensure that the plants are always planted at an appropriate planting depth and in an appropriate planting posture without floating or lodging.

This series of actions is repeated, but
The fork 4 in the present invention has its arm portion 4a close to the back surface 2a of the seedling scraping portion of the beak 2, and is disposed in such a manner that the arm portion 4a closes the notch groove 2' of the beak 2. Because there are
Unlike the conventional example shown in the figure, a pocket-shaped gap is not formed between the beak 2 and fork 4, so even if mud is lifted up by adhering to beak 2 and fork 4 during planting, the mud will be removed from beak 2 and fork 4. Furthermore, even if mud adheres to the back surface 2a and left and right side surfaces 2b of the beak 2, the arm portion 4a of the fork 4 can act as a scraper for the deposited mud, which is very convenient.

In addition, the seedling extrusion part 4b at the tip of the fork 4 has a shape that protrudes downward in a bifurcated direction in the direction away from the beak 2, contrary to the conventional one, and the protruding end side is opened and tilted downward. Therefore, the amount of mud lifted is small, and once lifted, the mud is smoothly removed by vibrations, etc., so there is no possibility of soil clogging.

Therefore, the operation of the planting rod 1 is always maintained normally.

Further, when the fork 4 moves up and down, the arm portion 4a is supported and guided by the back surface 2a and left and right side surfaces 2b of the beak 2, so that the arm portion 4a is prevented from deforming due to external force, which is very convenient. be.

As mentioned above, in the present invention, a seedling scraping beak with a notched groove on the back side of the seedling scraping part is fixed to the tip of the planting rod, and a fork for pushing out seedlings is attached to the back side of the beak. In the case where the fork is attached to be able to move forward and backward in the longitudinal direction of the beak via a rod, the arm portion 4a of the fork is placed close to the beak along the back surface of the seedling scraping portion and close to the notch groove 2' of the beak. At the same time, since the tip of the arm portion 4a is made to protrude in a bifurcated direction in the direction away from the beak and the seedbed soil extrusion portion 4b is formed in this portion, there is no need to add any special members to the conventional planting device. By simply changing the shape of the fork, the action of scraping and dividing the seedlings and the planting action can be performed extremely accurately and well, further improving the precision of seedling planting, and also preventing soil clogging between the beak and the fork. This has the advantage of being able to reliably prevent this and ensure that the planting rod always operates normally.

[Brief explanation of drawings]

FIGS. 1A to 1C show conventional examples;
is an overall side view of the planting rod, B is an action diagram showing the state in which seedbed soil is pushed up between the beak and fork,
C is a cross-sectional plan view in Figure B, Figure 2 is an overall side view of the present invention, Figures 3A and B are a side view and front view of the main parts, Figure 4A is a cross-sectional view taken along the - line in Figure 2, Figure B is a sectional view taken along the - line in Figure 3A;
FIG. 5 is an explanatory diagram of the operation. In the diagram, 1 is the planting rod, 2 is the beak, 3 is the rod,
4 is a fork, 4a is an arm part, (b is a seedbed soil extrusion part.

Claims (1)

[Scope of utility model registration request] A beak for scraping seedlings having a notched groove on the back side of the seedling scraping part is fixed to the tip of the planting rod, and a fork for pushing out seedlings is attached to the back side of the beak in the longitudinal direction of the beak through the rod. In the case where the arm part 4a of the fork is attached so as to be able to move forward and backward, the arm part 4a of the fork should be aligned with the back surface of the seedling scraping part of the beak and the notch groove 2' of the beak.
The arm portion 4 is disposed close to the
A planting device for a rice transplanter, characterized in that a tip of a is made to protrude in a forked shape in a direction away from a beak, and a seedbed soil extrusion part 4b is formed in this part.