JPS6014330Y2 - Seedling stand for planting machine - Google Patents

Description

[Detailed explanation of the invention] This invention is a seedling stand that can always support the seedlings in a nearly horizontal position when planting the seedlings in the tilled soil by a ground work machine connected to a mobile agricultural machine such as a tractor so that it can move up and down. It is related to.

Conventionally, this type of seedling stand was fixed to the ground work machine, so when the ground work machine was raised, such as when turning around near a headland, the seedling stand was tilted forward along with the ground work machine. This caused problems such as the seedlings falling off.

Therefore, this invention is proposed to solve this problem, and its configuration will be explained based on one embodiment shown in the drawings.
The lower links 2, 2 of the book are pivotally connected and the lift arms 4, 4 whose co-moveable bases are pivotally supported on the hydraulic actuating mechanism 3 of the mobile agricultural machine 1 are connected to the lower links 2, 2 via the lift rod 5.5. A ground work machine 6 such as a rotary is connected to the rear ends of the lower links 2, 2, and a mast 7 of the ground work machine 6 is connected to the rear end of the lower links 2, 2.
is connected to the top link 8 pivoted to the rear upper part of the mobile agricultural machine 1, and the lift arms 4, 4 are rotated upward, and the ground work machine 6 is moved forward around the front end pivot point of the lower links 2, 2. It is configured to rise while tilting.

Therefore, in this invention, as shown in FIG. 3, a front link 9 is provided with a hooking part 9a having a U-shaped cross section and a pipe-shaped support cylinder part 9b at both ends. The clamping portions 9a are removably fitted to the left and right lift arms 4, and the pins 10 connecting the lift arms 4 and lift rods 5 are also inserted into the pin holes 9c drilled in the front link 9. When inserted, the front links 9, 9 can move up and down as one unit with the lift arms 4, 4.

Then, the upper left and right helicopter links 11.1 of the ground work machine 6
The lower ends of 1 are pivotally connected with pins 12° 12, and the front brackets 1 are provided on the left and right lower surfaces of the seedling stand 13 as shown in FIG.
Support cylinders 9b, 9b of left and right front links 9, 9 are pivotally connected to 3a, 13a with pins 14, 14, and support cylinders are provided at the upper ends of the left and right rear links 11 in the same manner as the support cylinders 9b. The part 11a is pivotally connected to the rear brackets 13b and 13b provided at the rear of the left and right lower surfaces of the seedling stand 13 using pins 15 and 15, and when the ground work device 6 is in the working position on the ground as shown in FIG. Along with the lift arms 4, 4, which are extended rearward, the front links 9, 9 will also extend slightly upward and rearward, and the front links 9, 9 and the rear links 11, 11 will be approximately horizontal. Hold the seedling stand 13 and position the seedling stand 13 so that it approaches above the planting machine 16 attached to the rear of the ground working machine 6, and rotate the lift arms 4, 4 upward. When the ground work equipment 6 is lifted up as shown in Fig. 2, both the lift arms 4 and 4 and the front links 9 and 9 are upright and have an almost vertical posture, and the ground work equipment 6 can also be lifted. rear link 1
Since the position of the pin 12.12 at the lower end of the rear link 11.11 also rises, and the rear link 11.11 also assumes a nearly vertical posture, the seedling stand 13 is configured to be held approximately horizontally while rising.

In the illustrated planting machine 16, a planting link 18 is attached to the machine frame 17 so as to be able to move up and down, and a planting claw 20 that can be opened and closed so as to release the seedlings 19 held when the machine is closed is used for planting. Attached to the lower end of link 18, drive case 2
This planting link 18 is provided so that it can be moved up and down by a drive mechanism built into 1, and the planting claw 20 is configured to open by an interlocking mechanism not shown when the planting claw 20 is inserted into the upper surface of the ridge 22. are doing.

In FIG. 1, the reference numeral 23 is a top pressure roller that presses the top of the ridge 22, the reference numeral 24 is a shoulder pressure roller that presses the left and right shoulders of the ridge 22, and the reference numeral 25 is a ridge forming plate. be.

In the seedling stand according to this invention, as described above, the front links 9, 9 supporting the front part of the seedling stand 13 are attached to the lift arms 4, 4 of the mobile agricultural machine 1. Rear link 11 whose lower part is pivotally connected to the work equipment 6,
Since the rear part of the seedling stand 13 is supported at the upper end of 11,
In the planting operation where the ground working machine 6 is in contact with the ground, the seedling stand 13 is supported approximately horizontally, and then the lift arms 4, 4
When the ground work machine 6 is lifted up by rotating upwardly, the front links 9, 9 stand upright together with the lift arms 4, 4, and
As the pin 12.12 at the lower end of the rear link 11.11 also rises and the rear link 11.11 gradually becomes upright, the front links 9, 9 and the rear links 11, 11
The seedling stand 13 supported at the upper end is always held approximately horizontally and its position rises, so the seedlings 19 placed on the seedling stand 13 are not tilted or tilted. It is always supported stably without falling.

In addition, in the illustrated example, a fitting part 9a having a U-shaped cross section formed at the lower part of the front link 9 is fitted onto the lift arm 4, and a pin 10 connecting the lift arm 4 and the lift rod 5 is inserted into the pin hole 9c. Since the front link 9 is attached to the lift arm 4 by doing this, it is possible to easily attach or detach the lift arm 4 to the front link 9.

[Brief explanation of the drawing]

Each figure shows one embodiment of this invention; Fig. 1 is a side view of the device during penance work, Fig. 2 is a side view showing the lifting position, and Fig. 3 is a front view of the device used in this invention. A perspective view of the link, Figure 4 is the first seedling stand used in this invention.
It is a longitudinal cross-sectional view taken along arrow A in the figure. Explanation of symbols, 1... Mobile agricultural machine, 2... Middle war link, 3... Hydraulic pressure operating mechanism, 4...
・Lift arm, 5...Lift rod, 6...
...Ground work equipment, 7...Mast, 8...
...Top link, 9...Front link,
9a...Holding part, 9b, 11a...Support cylinder part, 9c...Pin hole, 10. 12. 14
．． 15... Pin, 11... Rear link, 13... Seedling stand, 13a... Front bracket, 13b... Rear bracket, 16・
...Planting machine, 17...Machine frame, 18...
...Planting link, 19... Seedling, 20...
... Planting claw, 21 ... Drive case, 22 ...
...Ribule, 23...Top pressure roller, 24...
・・・・Shoulder pressure roller, 25 ・・・・Ring forming plate.

Claims (1)

[Scope of utility model registration request] The lower part of the front link, which is pivoted to the seedling stand, is attached to the left and right lift arms for raising and lowering the ground work machine connected to the mobile agricultural machine. This seedling stand for a planting machine is constructed such that the front link and the rear link are pivotally connected to each other and can hold the seedling stand in a substantially horizontal position regardless of the vertical movement of the lift arm.