JPH0445459Y2 - - Google Patents

Description

[Detailed description of the invention] "Industrial application field" This invention is a rice transplanter that uses a planting claw to take out one seedling from a seedling table that moves back and forth from side to side and sequentially plant it in a field. Regarding attached equipment.

``Prior Art'' Conventionally, as shown in Japanese Utility Model Application Publication No. 59-98717, there has been a technique in which a lever for adjusting the amount of seedlings taken out is provided to change the amount of seedlings taken vertically.

"Problems to be Solved by the Invention" In the above-mentioned conventional technology, the support is extended in the direction that intersects the support with respect to the bottom of the seedling stand, so it is difficult to connect the support and the seedling stand, and to adjust the amount of seedlings to be taken out. There were problems in that it was not easy to simplify the lever mounting structure and improve the stability of adjusting the amount of seedlings taken out.

``Means for Solving the Problems'' However, the present invention is a rice transplanter in which seedlings are taken out and planted from the lower end of the slope of a seedling stand that reciprocates from side to side. A seedling receiving plate is provided by extending a support substantially parallel to the bottom surface of the platform, fixing the lower end of the support at the middle of the vertical width on the side of the planting claw drive case, and guiding the seedling platform in the left and right reciprocating motion. A seedling take-out amount adjustment lever is provided at the upper end of the support column, and is connected to a seedling take-out plate at the lower end of the slope of the seedling platform via a swing arm and an adjustment shaft, and the seedling take-out plate is slid onto the middle part of the support stand. It is characterized by being freely installed.

"Function" Therefore, by simply installing a substantially linear support body diagonally, a seedling stand and a seedling take-out plate can be attached to the support body and the seedling removal plate to freely adjust the amount of seedlings to be taken out using the middle part and upper end of the support body. It is possible to simplify the connecting structure of the mounting platform and the attachment structure of the lever for adjusting the amount of seedlings to be taken out, and to improve the stability of adjusting the amount of seedlings to be taken out. This rigidity can be easily obtained by using a planting claw drive case, etc., and it is possible to easily prevent changes in the amount of seedlings taken out due to deformation or vibration of the machine body.

"Embodiment" An embodiment of the present invention will be described below in detail based on the drawings.

Figure 1 is an explanatory diagram of the seedling extraction section, Figure 2 is an overall side view of the rice transplanter, and Figure 3 is a plan view of the same.
2 is a running section on which a worker rides, 2 is an engine mounted on the base frame 3, 4 is a bonnet that covers the engine 2, and 5 is the base frame 3.
a transmission case connected to the rear end, 6 an axle case connected to both left and right sides of the rear end of the transmission case 5, 7 and 8 front and rear wheels for driving in paddy fields, 9 a driver's seat, 10 a steering handle, 11 is a preliminary seedling stand.

Further, reference numeral 12 in the figure is a planting section equipped with a seedling stand 13 for multi-row planting, a plurality of planting claws 14, etc. The planting is carried out in the planting case 17 through the take-out plate 15 and the guide rail 16, which supports the planting case 17 so as to be able to slide back and forth in the left and right directions, and through the planting arm 18 and the planting claw drive shaft 19, which are moved by a crank. Attach the claw 14. The planting case 17
A main float 20 for leveling the planting surface, which is a sliding body, and left and right side floats 21, 21 are installed below, and the planting section 12 is connected to the traveling section 1 via a three-point link mechanism 22 and a hydraulic cylinder 23. The front and rear wheels 7 and 8 are connected so as to be able to rise and fall, and the front and rear wheels 7 and 8 are driven and run at a substantially constant speed, and at the same time, one seedling is continuously placed by a planting claw 14 from a seedling platform 13 that slides back and forth from side to side. It is configured so that it can be taken out and used for planting seedlings in the field.

As shown in FIGS. 4 to 6, the seedling stand 1
3 is equipped with vertical feed foils 24 for vertically feeding the seedlings in two stages, upper and lower, near the lower end of the slope of the seedling tray 13. A rail body 27 fixed to the back surface of the lower end is supported so as to be slidable left and right. In addition, the seedling take-out plate 15 that supports the seedlings at the lower end of the slope of the seedling stand 13 is connected to and supported by the arm 25 through the vertical adjustment plate 28, adjustment pin 29, and elongated hole 30, and a locking member fixed to the adjustment plate 28 is connected to the arm 25 for support. The plywood 31 is connected to the seedling removal amount adjustment lever 36 via the notch groove 32, the guide pin 33, the swing arm 34, and the adjustment shaft 35.
By operating this lever 36, the vertical position of the seedling take-out plate 15 can be adjusted to vary the amount of seedlings taken out. The adjustment plate 28 and the adjustment pin 29 are integrally fixed, and the pin 2 is inserted into the elongated hole 30 of the arm 25.
9, and attach a spring 37 to the protruding end side of the pin 29.
The adjustment plate 28 is held in position with respect to the arm 25 by attaching a washer 38 to the arm 25 and pressing the washer 38 against the arm 25 with a spring 37 pressure.

On the other hand, the planting case 17 has three planting claw drive cases 17a,
17b and 17c are connected, and two planting claws 14 are attached to each of the left and right outer drive cases 17a and 17b to plant two rows each, and one planting claw is attached to the center drive case 17c. 14 is installed and one row of planting is performed. Each arm 25 is attached to the left and right outer drive cases 17a, 17b.
The single adjustment shaft 35 is supported in the recessed grooves 40a, 40b, 40c formed on the upper surface of each drive case 17a, 17b, 17c. Constructed to stabilize mounting accuracy.

Note that 41 connects the adjustment shaft 35 to each case 17a,
This is a position holding bracket plate connected and held on 17b and 17c.

As is clear from the above, in the planting device of a rice transplanter in which seedlings are taken out and planted by the planting claw 14 from the inclined lower end side of the seedling platform 13 that is reciprocated from side to side, the seedling platform 13 is moved back and forth. The seedling retrieval plate arm 25, which is a support body, is extended substantially in parallel, and the arm 2 is placed in the middle of the vertical width on the side surface of the planting claw drive case 17a.
5. A seedling receiving plate 26 is provided at the upper end of the arm 25, the lower end of which is fixed, and which guides the seedling platform 13 in reciprocating movement from side to side. A lever 36 for adjusting the amount of seedlings taken out is connected to the taking-out plate 15, and the seedling taking-out plate 15 is slidably provided at the middle part of the arm 25.

This embodiment is constructed as described above, and when adjusting the amount of seedlings to be taken out per plant during work, that is, the amount of vertical harvest, this is done by operating the lever 36. The pin 29 of the adjustment plate 28 is located at the lowest position of the elongated hole 30 of the arm 25, and holds the seedling take-out plate 15 at the lowest position to maximize the amount of seedlings taken out by the planting claws 14. By rotating the lever 36 from this operating position in the direction of the arrow in the figure, the pin 29 moves upward along the long hole 30, and the seedling take-out plate 15 is appropriately moved upward via the adjustment plate 28 for planting. The amount of seedlings taken out by the claw 14 is gradually reduced, and the pin 29 as shown in FIG.
When the seedling removal plate 15 reaches the uppermost position of the elongated hole 30 of the arm 25, the seedling removal plate 15 is held at the uppermost position to minimize the amount of seedlings removed.

The adjustment shaft 35 is connected to a plurality of drive cases 17.
These case 1 are supported by a, 17b, and 17c.
By using 7a, 17b, 17c as bearings for the shaft 35, the seedling takeout plate 1 is similarly supported on each case 17a, 17b, 17c via the arm 25.
5 and the shaft 35 is stabilized, the attachment accuracy between them is improved, the amount of seedlings to be taken out can be adjusted accurately by operating the lever 36, and distortion of the shaft 35 itself is also prevented. Also, the shaft 35
is in the lower position and the axial load of the shaft 35 that acts downward when the seedling take-out plate 15 is moved up and down is applied to each case 17.
A, 17b, and 17c are used for bearings, so the support strength is excellent, and the operating load on the lever 36 can be reduced by setting the shaft 35 at a lower position to increase the force transmission ratio by the operating lever 36. This makes it possible to improve operability.

"Effects of the Invention" As is clear from the above embodiments, the present invention is a planting device for a rice transplanter in which seedlings are taken out and planted by the planting claws 14 from the inclined lower end side of the seedling platform 13 which is reciprocated from side to side. , the support 25 is extended substantially parallel to the bottom surface of the seedling stand 13, and the planting claw drive case 17
A seedling catch plate 26 is provided at the upper end of the support 25 to fix the lower end of the support 25 in the middle of the vertical width on the side surface a, and guide the seedling platform 13 in the left and right reciprocating motion, and a swing arm 34 and an adjustment shaft A seedling take-out amount adjusting lever 36 is connected to the seedling take-out plate 15 at the lower end of the slope of the seedling stand 13 via a lever 35, and the seedling take-out plate 1
5 is slidably provided in the middle part of the support body 25, and by simply installing the substantially straight support body 25 diagonally, the amount of seedlings taken out can be adjusted freely by using the middle part and the upper end of the support body 25. The mounting stand 13 and the seedling take-out plate 15 can be attached, making it easier to simplify the connection structure between the support 25 and the seedling stand 13, the attachment structure of the seedling take-out amount adjustment lever 36, and to improve the stability of adjusting the seedling take-out amount. At the same time, the planting claw drive case 17a has the necessary rigidity to support the seedling take-out plate 15, the adjustment shaft 35 of the lever 36, etc.
It can be easily obtained by using the above, and it can easily prevent the amount of seedlings taken out from changing due to deformation or vibration of the machine body.

[Brief explanation of the drawing]

Fig. 1 is an enlarged explanatory view of the main parts, Fig. 2 is an overall side view of the rice transplanter, Fig. 3 is a plan view of the same, Fig. 4 is a side view of the planting section, Fig. 5 is an enlarged plan view of the same, FIG. 6 is a front view of the same portion, and FIG. 7 is an explanatory diagram of the operation of FIG. 1. 13... Seedling stand, 14... Planting claw, 15... Seedling removal plate, 17a... Planting claw drive case, 25...
... Seedling take-out plate arm (support body), 26 ... Seedling receiving plate shoe, 34 ... Swing arm, 35 ... Adjustment shaft,
36...Seedling removal amount adjustment lever.

Claims (1)

[Scope of utility model registration request] In a planting device of a rice transplanter that takes out and plants seedlings from the inclined lower end side of a seedling platform 13 that is reciprocated from side to side using a planting claw 14, the support body 25 is placed approximately parallel to the bottom surface of the seedling platform 13. A seedling receiving plate 26 is provided at the upper end of the supporting column 25 for guiding the left and right reciprocating movement of the seedling platform 13, and the lower end side of the supporting column 25 is fixed at the middle of the vertical width on the side surface of the planting nail drive case 17a. A seedling take-out amount adjustment lever 36 is connected to the seedling take-out plate 15 at the lower end of the slope of the seedling stand 13 via the swing arm 34 and the adjustment shaft 35, and the seedling take-out plate 15 is slid onto the middle part of the support 25. A planting device for a rice transplanter characterized by being freely installed.