JPH0751009B2 - Auxiliary seedling stand support device in seedling planting machine - Google Patents

Description

Detailed Description of the Invention (a) Field of Industrial Use The present invention is carried out with a spare seedling placed on an auxiliary seedling stand, and the seedlings on the seedling stand of the planting device are eliminated or reduced. At this time, the present invention relates to an auxiliary seedling stand supporting device in a seedling planting machine that takes out a spare seedling stored in the auxiliary seedling stand and supplies it to the seedling stand.

(B) Conventional technology Conventionally, an auxiliary seedling stand is pivotally supported on a machine body and horizontally swiveled to facilitate the supply of supplementary seedlings from the auxiliary seedling stand to the main seedling stand of the rice planting device, or to the field ridges. The auxiliary seedling support device in the rice transplanter which facilitates the seedling replenishment from the plant to the auxiliary seedling stand is disclosed in JP-A-61-192215 and JP-A-57-3331.
It is already known from publication No. 8.

(C) Problems to be Solved by the Invention In any of the known auxiliary seedling support devices in rice transplanters, the tip of the auxiliary seedling support is supported in a cantilever state without swinging, so vibration of the machine body during traveling. The auxiliary seedling table vibrates greatly, causing deformation of the auxiliary seedling table and bending of the shaft support, etc., making it impossible to support and support the stable auxiliary seedling, and it becomes impossible to rotate the auxiliary seedling table horizontally. There was a problem. Therefore, it was difficult to install auxiliary seedling stands in multiple stages.

In addition, in this seed planting machine, there was no consideration for installing a container such as a fertilizer tank or a pump and other equipment, if necessary, using the space around the auxiliary seedling stand.

(D) Means for Solving the Problems The present invention is a seedling planting machine in which a control section is provided on the machine body, and a container such as a fertilizer tank or a device such as a pump is mounted on the frame in the vicinity thereof. A support frame 17 having a substantially inverted U shape is attached, and the support frame 17 is mounted on a column near the control section.
One end portion side of the auxiliary seedling stand 18 is horizontally rotatably supported, and the other end side of the auxiliary seedling stand 18 is locked on the support frame 17 so as to be able to be evacuated and the container or device is supported. Since it is provided in the lower part of 17, it is possible to store a container or other equipment in the lower part of the substantially inverted U-shaped support frame, and in that case, use the support frame as a guard for the container, etc. When you want to replenish the contents in the container or perform maintenance on the equipment, rotate the auxiliary seedling stand horizontally toward the control part so that the auxiliary seedling can be retracted toward the control part. The above work can be performed easily, and when the auxiliary seedlings are taken out from the auxiliary seedling stand and supplied to the seedling stand of the planting device, if the auxiliary seedling stand is turned horizontally, it approaches the control section. It can be taken out easily, and the entire auxiliary seedling stand is firmly secured by the inverted U-shaped support frame. Solves the problems mentioned above so as to be able to lifting.

(E) Action When loading the auxiliary seedlings on the auxiliary seedling stand, the auxiliary seedling stand is placed on a support frame of a substantially inverted U shape, and a container such as a fertilizer tank or a pump or other equipment. When mounting, the space below the auxiliary seedling stand can be effectively utilized by mounting it inside the substantially inverted U-shaped support frame, and the support frame serves as a guard for the container. Further, when the auxiliary seedlings on the auxiliary seedling table are supplied to the seedling mounting table, if the auxiliary seedling table is horizontally turned toward the control section, the auxiliary seedlings can be easily taken out on the machine and supplied to the seedling mounting table. In addition, even if the auxiliary seedlings are planted on the auxiliary seedlings with the auxiliary seedlings being full, the auxiliary seedlings can firmly support the whole with a substantially inverted U-shaped support frame, so that stable planting is possible. Can be attached work.

(F) Embodiment An embodiment of the present invention will be described with reference to the drawings, in which 1 is a main frame, and an engine 2 and a front mission 3 are provided in a front portion.
And the front wheels 4, 4 are mounted, the rear part mission 5 and the rear wheels 6, 6 are mounted on the rear part, and the float 7, the transmission case 8, the planting rod 9, and the seedling table 10 are arranged behind it. The planting device is attached by a link so as to be able to move up and down, and a deck 13 is provided between the handle 11, the lever 11a and the petal 11b provided on the rear portion of the engine 2 and the cockpit 12 behind it, and the chassis 15 with the engine 2 Steps 16 and 16 which are connected to the deck 13 and whose front portions are narrowed are fixed on both sides.

The front support arm 19 is provided outside the steps 16 and 16.
And supporting frames 17 and 17 of substantially inverted U-shape are respectively installed on the rear side and rear side of the supporting frame 17 and 17 by screwing them with bolts 18a. The front support 17a, the upper horizontal support 17b, and the horizontal support 17b.
It consists of a rear pillar 17c made of a pipe whose upper end is welded to the rear end of b, and the left and right auxiliary seedling stands 18, 18 are each a support frame 20 and three pairs of upper and lower support bars 21 made of pipes.
And a seedling frame 22 on the upper and lower sides, and the supporting frame 20 is a pipe 20a bent in an inverted L shape in a side view, and a supporting pipe in the vertical direction in which the upper end is welded to the rear end. 20b and a lower U-shaped lower frame 20 connecting the lower ends thereof
A vertical fulcrum shaft 23, which is made of c and is fixedly fitted to the lower end of the lower frame 20c, has a lower part rotatably fitted on an upper part of the rear support column 17c, and the seedling frame 22 ... The holes 22a formed in the ribs of the support bar 21 are supported by being fitted into the support bar 21, and a rubber cylindrical body 25 is used as a stopper and a safety member at the outer end of the support bar 21. Fit,
The upper ends of the left and right support pipes 20b, 20b are fitted and fixed to the lower ends of the downwardly U-shaped connecting pipes 26, and the shafts 27, 2 are projected.
By inserting 7 and connecting them, the left and right auxiliary seedling stands 18 and 18 are formed into a series of frames, so that the left and right support frames 17 and 17 and the auxiliary seedling holders 18 and 18 can hold each other. When stabilizing the whole and turning one auxiliary seedling stand 18 horizontally,
The support frame 17 of the other auxiliary seedling base 18 is the support pipe 20 above it.
b and a connecting pipe 26, the shafts 27, 27 have grooves 27a, 27a at their lower ends as shown in FIG. 9, and bolts 28 screwed from the outside of the supporting pipes 20b, 20b. ,
By fitting 28 into the grooves 27a, 27a, it is prevented from coming off.

Further, a pair of front and rear brackets 30 and 31 are welded to the lower surface of each lower frame 20c, and a holding metal 33 screwed to the rear bracket 30 with bolts 32 and 32 and the front bracket 31 are shown in FIGS. As shown in FIG. 3, a switching lever 35 whose front end and rear end are bent downward by approximately 90 degrees is rotatably loosely fitted to the holding metal 33.
A tension spring 37 is stretched between the bent portion of the upper part of the control plate 36 and the lower end of the L-shaped regulating plate 36 fixed to the switching lever 35 so that the upper part of the regulating plate 36 has a long hole as shown in FIG. 4 (a). It is received at one end of 36a, the switching lever 35 is held so as to be in the posture shown by the solid line, and the hook 38 that engages from the lower surface with the horizontal support portion 17b of the support frame 17 is fixed to the front portion of the switching lever 35. I am doing it.

Further, step portions 39, 39 are provided on the inner lower portion of the brackets 30, 31, and the upper portions of the step portions 39, 39 are mounted on the horizontal support portion 17b of the support frame 17 so that the auxiliary seedling stands 18, 18 Weight is applied to the support frame 17 at the front and rear.

FIG. 5 shows another example of the switching lever 35 and the structure related thereto. The above-described one is suitable for a relatively large seedling planting machine, for example, five-row planting or more, and this example can reduce the height. Suitable for smaller size.

The rear portion of the switching lever 35 extends and supports the bracket 30 downward, and the lower frame 20c is formed in an inverted L shape.
A tension spring 37 is stretched between the upper front portion of the lower frame 20c and the pin 40 at the middle portion of the hook 38, and the receiving pin 41 with which the hook 38 is engaged is welded to the horizontal support portion 17b.
A hard rubber plate 42 is fixed to the step portion 39 of 30, and the hard rubber plate 42 is provided with a concave portion 42a that engages with the horizontal support portion 17b and is mounted to support the auxiliary seedling stand 18 I am doing it.

Further, a mounting plate 43a protruding rearward from the front supporting column 17a of the support frame 7 and a mounting plate protruding laterally from the rear supporting column 17c.
A fertilizer tank 45 along the outer side of step 16 is screwed to 43b, an inlet having a lid 46 is provided on the upper surface of the fertilizer tank 45, and a hose 48 connected to a lower outlet 47 is a cockpit 12.
The hose 51 connected to the suction port of the pump 50 attached to the lower part of the side of the pump 50 and connected to the plurality of discharge ports of the pump 50 correspond to each planting rod 9 via the indicator 52 and the hose 53. The fertilizer tank 45 is connected to the soil fertilizer pipe 55 ....
The paste-like fertilizer inside is distributed and pumped by the pump 50 to each fertilizer pipe 55 ..

FIG. 8 shows a sub-auxiliary seedling stand, which is welded to the frame plate 56 through the upper and lower three bosses 57.
Insert the base of the support bar 58 into the ...... and fix it, and screw the set bolt 60 to the lower part of the other side to form four sub-auxiliary seedling stands and the support bars in the front and rear rows. After pulling out the cylindrical body 25 from the end of ……, the boss 57 of the sub auxiliary seedling stand…
Align each column with the support bar 21 and tighten the set bolt 60 to support the cylindrical body 25.
When the tip of the ...... is fitted, it is possible to change the state in which the preliminary seedlings are held on each side at 3 sheets as shown in FIG. 3 to the state at which 6 sheets are held at one side as shown in FIG. .

In the above-mentioned riding seedling planting machine, when the planting work is started, the front part or the side part of the machine body is brought close to the ridge, and when the operator is only the pilot, the pilot descends from the pilot part and , If there is an assistant, the assistant is alone or in cooperation with each other to load the seedlings on the auxiliary seedling stand 18 and the seedling placing table 10 (however, the auxiliary seedling stand 18 is set on the support frame 17) and planted. When the machine is moved forward while driving the attachment device, the planting rod 9 …… scrapes the mat seedlings in the seedling placing table 10 one by one and planted them on the paddy field. When there is no or less, the planting operation is interrupted, and when the operator turns from the control section to the outward direction while holding the bent portion of the switching lever 35, the hook 38 resists the tension spring 37. Since it comes off from the horizontal support portion 17b or the receiving pin 41, the auxiliary seedling base 18 is pushed outward and rearward in this state, and the auxiliary seedling base 18 is moved to the rear pipe 20a. When the auxiliary seedling 18 is tilted horizontally as the center is swung horizontally and the turning angle is indicated by symbol A in Fig. 2, the pilot reserves the seedling frame 22 of the auxiliary seedling 18 in the deck 13 by the operator. The seedlings can be taken out in the state of being approached from the lengthwise direction and easily and quickly supplied to the seedling placing table 10. Further, when the auxiliary seedling base 18 is horizontally swiveled 90 degrees to the posture shown by reference numeral B, the auxiliary seedling base 18 further moves closer to the control section and moves rearward so that the distance from the seedling mounting base 10 becomes small. , Seedling supply work can be performed more quickly. At this time, if a stopper for the support frame is provided on the side of the turning center of the auxiliary seedling stand 18, a certain turning posture can be maintained.

When the fertilizer in the fertilizer tank 45 is low,
Not only when the auxiliary seedling base 18 is empty, but also when the auxiliary seedlings are accommodated, the auxiliary operator holds the switching lever 35 at the front and unlocks the hook 38 even when the auxiliary seedling is stored. The auxiliary seedling stand 18 is retracted from above the support frame and the top of the fertilizer tank 45 is opened, so the lid 46 can be removed, and the fertilizer container can be placed on the support frame 17 and easily injected into the injection port. Yes, and the support frame 17 protects the fertilizer tank 45.

When the supplementary seedling supply or fertilizer supply is completed, the auxiliary seedling stand 18 is swung forward, so that the slope 38a of the lower end of the hook 38 is slidably pressed against the lower surface of the horizontal support portion 17b or the receiving pin 41. The hook 38 automatically engages with the horizontal support portion 17b or the receiving pin 41, and in this state, the support frame 20 of the auxiliary seedling stand 18 is firmly supported by the support frame 17 at the front and rear portions, It can be kept stable during work.

Further, when the operator gets on and off the vehicle from the front, he can safely and easily get on and off by holding the support frame 17 as a handrail.

(G) Effect of the Invention As described above, the present invention is a seedling planting machine in which a control section is provided on the machine body and a container such as a fertilizer tank or a device such as a pump is mounted on the frame in the vicinity thereof. An inverted U-shaped support frame 17 is attached, and one end side of the auxiliary seedling stand 18 is horizontally rotatably supported on a pillar near the control section of the support frame 17, and the other end of the auxiliary seedling stand 18 is supported. Since the side is locked to the support frame 17 so that it can be retracted, and the container or device is provided in the lower part of the support frame, the front and rear parts of the auxiliary seedling stand 18 are more firmly supported by the support frame 17. Supported, preventing vibration and deformation of the auxiliary seedlings 18 and bending of the shaft support, etc., and supporting and supporting the auxiliary seedlings stably and performing smooth planting work, and increasing the number of installation steps of the auxiliary seedlings 18 It is possible to improve work efficiency. Further, the auxiliary seedling base 18 can be smoothly swung horizontally forwards and backwards, whereby the auxiliary seedling base 18 can be brought close to the control section to easily and quickly take out the preliminary seedlings to the seedling mounting base 10 of the planting device. Can be replenished.

Further, the fertilizer tank 45 is installed in the lower part of the support frame 17, or when other equipment is provided, the auxiliary seedling stand 18 is horizontally swung to open the fertilizer tank 45 to the open state and the lid 46 of the inlet is provided. It is possible to easily replenish the fertilizer with the support frame 17 as a receiving stand for the fertilizer container without any obstacle, or to easily perform maintenance and inspection of other devices, and
The support frame 17 protects the fertilizer tank 45 or other equipment during operation.

[Brief description of drawings]

The drawings show an embodiment of the present invention, in which FIG. 1 is a side view in which a part of the auxiliary seedling support device is cut away, FIG. 2 is a plan view showing a swivel state of the auxiliary seedling stand, and FIG. The figure is a front view of the auxiliary seedling support device, FIG. 4 (a) is a side view in which a part of the auxiliary seedling turn operation portion is omitted, (b) is a front view of the same, and FIG. Side view of the front part of the turning operation part, (b) is a front view of the same as above, FIG. 6 is a side view of a riding seedling planting machine, FIG. 7 is a plan view of the same as above, and FIG. The front view of the mounted auxiliary seedling support device, (b) is a perspective view of the sub auxiliary seedling support,
(C) is a front view of the same as above, and FIG. 9 is a cross-sectional view of a connecting portion between a support pipe and a connecting pipe. 10 ... Seedling table, 17 ... Support frame, 17b ... Horizontal support, 17c
…… Rear support, 18 …… Auxiliary seedling stand, 20 …… Support frame, 22…
… Seedling frame, 23 …… Support shaft, 45 …… Fertilizer tank

Claims (1)

[Claims] 1. A seedling planting machine in which a control section is provided on a machine body and a container such as a fertilizer tank or a device such as a pump is mounted on a frame in the vicinity of the control section, and a substantially inverted U-shaped support frame 17 is provided on the frame. Installation, on the pillar near the control part of this support frame 17,
One end portion side of the auxiliary seedling stand 18 is horizontally rotatably supported, and the other end side of the auxiliary seedling stand 18 is locked on the support frame 17 so as to be able to be evacuated and the container or device is supported. An auxiliary seedling stand supporting device in a seedling planting machine, which is provided at the bottom of 17.