JPS5849068Y2 - Auxiliary seedling placement device in rice transplanter - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an auxiliary seedling placement device in a rice transplanter for placing spare seedlings for planting on the machine body.

Currently, with the practical use of rice transplanters, the work of planting seedlings has been mechanized and the labor involved in planting work has been greatly reduced. , it is necessary to place spare seedlings on the machine, and the position where the spare seedlings are placed is near the operation bundle and the seedling stand, where they can be easily transferred to the seedling stand equipped on the machine. , and preferably above the center of gravity of the aircraft.

For this purpose, it is preferable to form an auxiliary seedling mounting stand on the upper surface of the rear half of the bonnet and place the spare seedlings thereon. Since a large load is applied, the strength of the bonnet must be increased, which can cause some inconvenience to the support structure, and especially if the bonnet is made of synthetic resin, the load of the preliminary seedling The disadvantage is that the bonnet deforms due to distortion.

Furthermore, if the auxiliary seedling table is formed on the upper surface of the rear half of the bonnet, the center of gravity of the machine becomes high, which deteriorates the stability and running performance of the machine, making it impossible to carry out proper planting work.

The present invention was devised to eliminate the above-mentioned drawbacks, and although it utilizes the upper surface of the horizontal recessed part of the cover molded from synthetic resin to place the auxiliary seedling placement stand, To provide an auxiliary seedling mounting table device for a rice transplanter that can reinforce a weak and easily deformable horizontal recessed part of a cover by superimposing and fixing the auxiliary seedling mounting stand on the upper surface of a horizontal recessed part of a synthetic resin cover. This is the purpose.

The auxiliary seedling mounting table device for a rice transplanter of the present invention that achieves the above object includes a cover made of synthetic resin that covers the area from the engine mounted at the front of the machine to the seedling planting operation section installed at the rear of the machine, and In a rice transplanter configured to superimpose and fix an auxiliary seedling placement platform on the upper surface of a step-like horizontal recess formed above the axis of the swing wheel integrated with the cover, a bulge is integrally formed on the upper surface of the horizontal recess of the upper cover. A plurality of reinforcing bulges facing in the front-rear direction are recessed downward and installed in parallel, while the bottom plate of the auxiliary seedling mounting table has reinforcing ribs facing in the front-rear direction protruding from the upper surface, and reinforcing ribs facing in the front-rear direction protruding from the bottom surface. A plurality of reinforcing ribs facing in the horizontal direction on the lower surface of the bottom plate of the auxiliary seedling mounting table are integrally arranged in parallel at right angles with the reinforcing ribs facing in the horizontal direction,
The present invention is characterized in that the auxiliary seedling mounting table is configured to be superimposed and fixed on the upper surface of the horizontal recess by intersecting orthogonally with the reinforcing bulge facing in the front-rear direction on the upper surface of the horizontal recess of the upper surface cover.

The structure of the present invention will be explained with reference to an embodiment shown in the drawings. Reference numeral 1 denotes a body frame of a rice transplanter, and an engine 2 is mounted in the front of the body frame 1. At the rear, a driving operation handle 3 extends rearward and diagonally upward.

4 is a seedling mounting table, and the seedling mounting table 4 is attached to the machine frame 1.
It is installed at the rear of the steering wheel along the inclination of the operation handle 3 in a manner that is low in the front and high in the rear, and can be reciprocated from side to side by a drive mechanism 5.

Reference numeral 6 denotes a seedling planting movement body, and the seedling planting movement body 6 is provided at a position in front of the seedling take-out port of the seedling mounting table 4.

Reference numerals 7 and 7 denote left and right fuselage propulsion wheels, which are located on both sides of the intermediate portions of the fuselage frames z and l in the longitudinal direction, and can be swung up and down by chain drive bodies 8 and 8. The transmission is supported in such a manner that power is transmitted from the transmission side via the chain transmission body.

Reference numeral 9 denotes a surface sliding body, and the circular sliding body 9 is mounted on the fuselage frame 1 so as to be vertically movable.

Reference numeral 10 denotes an integrated cover that covers from the engine 2 mounted at the front of the aircraft to the operating section 6a of the seedling planting movement body 6 installed at the rear of the aircraft, and the cover 10 is made of synthetic resin. A step-shaped horizontal depression located above the axis of the swing wheels 7 from the part covering the upper part of the chain transmission bodies 8, 8, which constitute the swing mechanism of the aircraft propulsion wheels 7, 7, to the seedling planting operation part 6a at the rear of the aircraft. Part 11
is formed, and reinforcing bulges 1.1b and llb are integrally formed on the upper surface 11a downwardly.

12 is the upper surface 11a of the horizontal recessed portion 11 of the cover unit 10;
The front wall 12a of the auxiliary seedling mounting table 12 is formed to have the same outer shape as the cover unit 10 covering the upper part of the engine 2 and the fuel tank 2a, Further, the left and right side walls 12b, 12b and the rear wall 12c each have the side edges of the bottom surface 12d raised upward,
It is formed by bending its entire length downward, and the space on the bottom surface 12d is wider than the space on the top surface 11a of the horizontal recessed portion 11.

Further, the bottom surface 12d has left and right side walls 12b, 12b.
Reinforcing ribs 13° 13 are integrally formed to bulge upward at appropriate intervals in the width direction in parallel to the left and right side walls 12b, 12b. Reinforcing ribs 14, 14 are integrally formed downward with a gap between them.

Furthermore, the bottom surface 12d is provided with drain holes 12e at the apex portions located on the outer side of the horizontal recessed portion 11, respectively.

12e... has been opened.

Reference numeral 15' denotes a bracket having one end fixed to the body frame 1 via a bolt i5a and the other end fixed to support the rear upper surface of the cover unit 10 from the inside.

In the figure, 15.15... are bolts 1 for placing the bottom surface 12d of the auxiliary seedling mounting stand 12 on top of the top surface 11a of the horizontal depression 11 of the cover unit 10 and fixing both.
6, 16... are washers, 17.17.
. . . is the same nut, 18. 18 is the insertion hole for the bolts 15, 15, . 20 is a center marker.

When starting the planting work of seedlings using a rice transplanter equipped with an auxiliary seedling table 12 like the one shown above, first place the seedling table 4.
Mat-shaped seedlings are placed on the auxiliary seedling placement stand 12, and then seedling boxes containing similar seedlings are placed on the auxiliary seedling placement stand 12, respectively.

Once the seedlings are ready to be loaded in this way, the rice transplanter is used to begin the planting process, but during the process, the seedling loading table 4
When there are few remaining seedlings on the top, the spare seedlings on the auxiliary seedling mounting table 12 are transferred to the seedling placing table 4 and the seedling planting work is continued.

Then, on the upper surface 11a of the horizontal recessed part 11 of the cover unit 10, the auxiliary seedling mounting table 12 has reinforcing ribs 14 and 14 projecting downward from the bottom surface 12d and facing in the horizontal direction. Reinforcement bulge 11b facing in the front-rear direction of 11a
Since the seedling loading portion of the cover 10 is formed into a double structure, the thickness of the seedling loading portion does not need to be made thicker than necessary to increase strength. Therefore, even if the entire cover unit 10 is formed with a uniform thin wall thickness, the horizontal depression 11 that constitutes the seedling loading area is distorted due to the load of the preliminary seedlings placed on the auxiliary seedling loading table 12. The auxiliary seedling mounting table 12 on which the spare seedlings are placed can be supported in a stable state at all times without any fear of the seedlings being bent or deformed.

Furthermore, since the horizontal recessed portion 11 formed in the cover unit 10 is formed in a step shape above the axis of the swing wheel 7, the center of gravity of the machine body is lowered, and the stability and running performance of the machine body are improved.

Furthermore, from the operating position, the driver can see the left and right aircraft propulsion wheels 7, 7 and the center marker 20 in the driver's forward field of view, so the aircraft can always be moved forward appropriately, and the seedling planting rows can be planted in a straight line. In addition, the spacing between planting rows of seedlings can be maintained evenly, and the planting work can be carried out appropriately.

Furthermore, drain holes 12e, 12e, etc. are formed in the bottom surface 12d of the auxiliary seedling mounting table 12 at the apex portion located outward from the top surface 11a of the horizontal recessed portion 11. There is no risk that the muddy water flowing down from the extraction holes 12e, 12e, etc. will come into contact with the wheel swing mechanism or the seedling planting operation section, and failures due to rust can be prevented.

In short, the present invention includes a synthetic resin cover that extends from the engine mounted at the front of the aircraft to the seedling planting operation section installed at the rear of the aircraft. In a rice transplanter configured to superimpose and fix an auxiliary seedling mounting stand on the upper surface of a step-like horizontal recess formed in the above, the upper surface of the horizontal recess of the cover is integrally formed with a reinforcing bulge facing in the front-rear direction. On the other hand, on the bottom plate of the auxiliary seedling placement stand, reinforcing ribs protruding from the top and facing in the front-rear direction and reinforcing ribs protruding from the bottom and facing in the lateral direction are orthogonally arranged. A plurality of reinforcing ribs are integrally arranged in parallel, and the reinforcing ribs facing in the horizontal direction on the lower surface of the bottom plate of the auxiliary seedling mounting stand are orthogonally intersected with the reinforcing ribs facing in the front-rear direction on the upper surface of the horizontal recessed part of the cover integrally. In this way, the auxiliary seedling mounting table was configured to be superimposed and fixed on the upper surface of the horizontal recess.
Although the auxiliary seedling mounting table is placed using the upper surface of the horizontal recessed part of the integrated cover molded from synthetic resin, the reinforcing ribs facing in the horizontal direction on the lower surface of the bottom plate of the auxiliary seedling mounting table are Auxiliary seedlings that overlap and fix the horizontal recessed part of the cover by intersecting orthogonally with the reinforcing bulge facing in the front-rear direction on the upper surface of the horizontal recessed part and overlappingly fixing the auxiliary seedling placement stand to the upper surface of the horizontal recessed part. It can be reinforced with a mounting table.

Moreover, the original reinforcing ribs that protrude from the top and face in the front-rear direction are effectively utilized on the bottom plate of the auxiliary seedling table, so that the seedlings placed on the auxiliary seedling table can move in the direction of the reinforcing ribs without any resistance. You can also take it out.

[Brief explanation of the drawing]

The drawings show an embodiment of the auxiliary seedling placement device in a rice transplanter according to the present invention, in which Fig. 1 is an overall side view of the rice transplanter, Fig. 2 is a plan view of the same, and Fig. 3 is a main part. FIG. 4 is a plan view of the same, FIG. 5 is an exploded perspective view of the same, and FIG.
The figure is a cross-sectional view taken along line A-A in Figure 4, and Figure 7 is a cross-sectional view taken along line A-A in Figure 4.
It is a sectional view taken along the B line. In the figure, 2 is the engine, 6a is the seedling planting operation part, 7 is the machine propulsion wheel, 8 is the transmission body, 10 is the cover, 11 is the horizontal recessed part, 12 is the auxiliary seedling mounting table, and 12e is the water drain. It is a hole.

Claims (1)

[Scope of utility model registration request] An integrated cover is made of synthetic resin that covers the area from the engine mounted on the front of the aircraft to the seedling-planting operating section installed at the rear of the aircraft, and a step-shaped horizontal depression is formed above the axis of the swing wheel of the integrated cover. In a rice transplanter configured to superimpose and fix an auxiliary seedling mounting table on the upper surface, the upper surface of the horizontal recessed portion of the cover is provided with a plurality of integrally formed reinforcing bulges facing in the front-rear direction and recessed downward. While installed in parallel,
On the bottom plate of the auxiliary seedling holder, a plurality of reinforcing ribs protruding from the upper surface facing in the front-rear direction and reinforcing ribs oriented in the lateral direction protruding from the lower surface are arranged in parallel and integrally at right angles. The reinforcing ribs facing in the horizontal direction on the lower surface of the bottom plate of the placing stand are orthogonally crossed with the reinforcing bulges facing in the front-rear direction on the upper surface of the horizontal recessed part of the cover, so that the auxiliary seedling placing stand is overlapped with the upper surface of the horizontal recessed part. An auxiliary seedling mounting stand device for a rice transplanter, characterized in that it is configured to be fixed.