JP2002186319A - Seedling placing stand for rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seedling placing stand for a rice transplanter, with which the diversity of height of seedlings can be sufficiently dealt with and a seedling pressing means having high durability is installed. SOLUTION: At the lower part of the seedling placing stand slantingly arranged at the rear end of a rice transplanter, a supporting member is stood from the seedling placing stand upward at a position including at least both ends in the width direction of the seedling placing stand and the supporting member is equipped with a seedling pressing plate supporting means for detachably supporting a seedling pressing plate which is constituted of a platy member and can be brought into contact with the upper part of a seedling and at a position closer to the bottom plate of the seedling placing stand than to the seedling pressing plate supporting means, with a seedling pressing rod supporting means for detachably supporting a seedling pressing rod which is constituted of a rod-like member and can be brought into contact with the upper part of a seedling. The supporting member may be equipped with a plenty of the seedling pressing rod supporting means for detachably supporting seedling pressing rods which are constituted of rod-like members and can be brought into contact with the upper parts of seedlings, approximately vertically to the bottom plate of the seedling placing stand.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling mounting table for a rice transplanter, which is characterized by seedling holding means for adjusting the posture of the seedling by bringing the seedling into contact with the seedling.

[0002]

2. Description of the Related Art When a seedling on a seedling mounting table is scraped off by a planting nail, if the seedling is tilted backward, the planting nail may hit the upper portion of the seedling, and may be damaged. In order to prevent this, in the seedling stand that is inclined at the rear of the conventional rice transplanter, a seedling holding plate is provided at the bottom of the seedling stand before the seedlings on the seedling stand are scraped off by the planting claws. I was The seedling holding plate is formed of a plate-shaped member disposed in the width direction of the seedling mounting table, and is in contact with the upper part of the seedling to adjust its posture, that is, to prevent the seedling from tilting backward. However, the conventional seedling holding plate has been installed at a fixed position on a support member that stands upward from the seedling mounting table. Therefore, it is difficult to sufficiently cope with the variety of the height of the seedlings by being installed at a certain position, and the durability is not enough due to the plate shape.

[0003]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a seedling mounting table of a rice transplanter which can sufficiently cope with a variety of heights of seedlings and has a highly durable seedling holding means. I do.

[0004]

The present invention has the following configuration to achieve the above object. That is, at a position including at least both ends in the width direction of the seedling mounting table, a support member is erected upward from the seedling mounting table at a position including at least both ends in the width direction of the seedling mounting table at a lower portion of the seedling mounting table inclined at the rear of the rice transplanter. A seedling holding plate supporting means which is constituted by a plate-like member and which detachably supports a seedling holding plate which can be brought into contact with the upper part of the seedling is provided, and a rod-shaped member is provided at a position closer to the bottom plate of the seedling mounting table than the seedling holding plate supporting means. And a seedling holding rod supporting means for detachably supporting a seedling holding rod which can be brought into contact with the upper part of the seedling.

[0005] Alternatively, a support member is erected upward from the seedling mounting table at a position including at least both ends in the width direction of the seedling mounting table at a lower portion of the seedling mounting table inclined at the rear of the rice transplanter,
The support member is provided with a plurality of seedling presser rod supporting means, which is constituted by a rod-shaped member and removably supports a seedling presser rod which can be brought into contact with the upper part of the seedling, substantially perpendicularly to the bottom plate of the seedling mounting table.

[0006]

Embodiments of the present invention will be described below with reference to embodiments shown in the drawings. 1 and 2 are a side view and a plan view of a main part of a riding rice transplanter. The outline of the riding rice transplanter is as follows. The traveling body (1
0), the engine (1)
2) and a transmission case (13) provided at the rear, a front paddle traveling wheel (15) is supported on both front sides of the transmission case (13) via a front axle case (14), and a transmission case (13). The rear wheels (17) for traveling in paddy fields are supported on both sides of the rear portion of the vehicle through rear axle cases (16). The engine (12) and members in the vicinity thereof are covered with a hood (18), and the transmission case (13) and members in the vicinity thereof are covered with a vehicle body cover (20) having a step (19). A driver's seat (21) is mounted above the vehicle body cover (20), and a steering handle (22) is provided in front of the driver's seat (21).

[0007] At the rear of the traveling vehicle body (10), a planting section (30) having a seedling mounting table (31) for multiple planting and a plurality of planting claws (32) is connected. The planting section (30) is connected to the traveling vehicle body (10) using a three-point lifting link mechanism including a top link (33) and a lower link (34). And it is configured to be able to move up and down by a telescopic operation of a hydraulic cylinder interposed between the rear part of the traveling vehicle body (10) and the lower link (34). In addition, the plate-shaped forward tilting seedling mounting table (31) installed at the front and rear high and low places through the lower guide rail (35) and the upper guide rail (36). 37) is supported so as to be reciprocally slidable right and left. Below the planting transmission case (37), central and left and right planting floats (38) (39) are supported via planting depth adjusting members. By lowering the planting part (30) and landing the floats (38) and (39), the planting depth of the seedlings to be taken out from the seedling mat on the seedling mounting table (31) is set. are doing.

FIGS. 3 and 4 are a rear view and a side view showing the seedling mounting table (31). A support member (40) is provided at both ends in the width direction of the seedling mounting table (31) in a lower portion of the seedling mounting table (31) before the seedlings on the seedling mounting table are scraped off by the planting claws. It stands upright from the mounting table (31).
Like the support member (40), the support member (40) is provided with a hollow cylinder (41) and a flat plate (45) that stand upward from the seedling mounting table (31). A connection member (42) having a bearing portion opened in the width direction of the seedling mounting table (31) is attached to the cylinder (41) by a nut (41a). A rod-like column (43) is provided in the bearing portion of the connecting member (42) in the width direction of the seedling mounting table (31). A plurality of bar-shaped seedling mat holders (44) extending toward the upper part of the seedling mounting table (31) are arranged on the support (43). Seedling stand (31)
The seedling mat placed on the seedling mat (44)
, And is prevented from floating.

On the other hand, an elongated support plate (46) having a substantially L-shaped cross section is attached to the plate (45) by a nut (45a), and spans the width of the seedling mounting table (31). The support plate (46) has a bar-shaped sub-seedling mat holding member (4) extending toward the lower end of the seedling mounting table (31).
7) are arranged in parallel. The sub-seedling mat holder (47) presses the seedling mat immediately before being scraped off by the planting claws, and prevents lifting, particularly during scraping.

The supporting member (40) has a bottom plate (3
A plurality of holes (40a) in the direction toward and away from 1a).
(40b) and (40c) are provided side by side. These function as a seedling holding plate supporting means and a seedling holding rod supporting means for supporting a seedling holding plate and a seedling holding rod, as described later. In the uppermost hole (40a), a rod-shaped support shaft (5
0) is inserted, and is laid in the width direction of the seedling mounting table (31). The support shaft (50) has a seedling holding plate (5) formed of a plate-like member extending in the width direction of the seedling mounting table (31).
1) is mounted with its tubular portion (51a) fitted. The seedling immediately before being scraped off by the planting claws is adjusted to the forward tilted posture by the upper foliage contacting the seedling holding plate (51). by this,
The planted nail is prevented from hitting and damaging the seedling.
The seedling presser plate (51) changes its distance from the bottom plate (31a) of the seedling mounting table by rotating its support shaft (50).
It is designed so that it can respond appropriately to the variety of height of seedlings.

The seedling holding plate (51) is provided with a support shaft (5).
0) can be easily removed by removing it from the hole (40a). When the seedling holding plate (51) is not used, a seedling holding rod is installed instead as follows. A plurality of holes (40b) (40c) are provided in the support member (40) below the hole (40a) as a seedling holding plate supporting means as seedling holding rod supporting means. A seedling holding rod formed of a rod-shaped member (not shown) is removably inserted into one of these holes (40b) (40c). Seedlings immediately before being scraped by the planting nails have upper foliage,
By contacting the seedling holding rod, the posture is adjusted to the forward leaning posture, and the planting claw is prevented from hitting and being damaged. By changing the installation position of the seedling holding rod to the hole (40b) or the hole (40c), the bottom plate (31a) of the seedling mounting table is provided.
Is adjusted. Therefore, it is possible to sufficiently cope with the variety of heights of the seedlings, and since it is a rod-shaped member, higher durability is obtained as compared with a plate-shaped member.

Here, the plurality of holes (40a) (40b) (40c) provided in the support member (40) have the same shape, and the support shaft (50) of the seedling holding plate (51) and the seedling holding are fixed. The diameter of each end of the bar may be the same. Then
The selection of the seedling holding plate (51) and the seedling holding rod and the adjustment of the installation position have a wide range, and the cost can be reduced by simplifying the configuration.

The holes (40a) and (40b) shown in FIG.
(40c) are arranged substantially perpendicularly to the bottom plate (31a) of the seedling mounting table. On the other hand, the seedling removal plate (60) at the position where the seedlings are scraped off by the planting claws is inclined from the vertical with respect to the bottom plate (31a) of the seedling mounting table. Therefore, the hole (40a)
When the selection of (40b) and (40c) is changed, the direction of the pressing force for holding the seedlings changes in addition to the height for holding the seedlings. Therefore, by making the direction in which the seedlings are held down variable, it is possible to more suitably cope with diversity such as the height of the seedlings. In addition,
Such holes provided in the support member (40) are not limited to the point sequence as described above, but may be arranged two-dimensionally such as in a lattice to correspond to the variety of seedlings.

FIG. 5 is a side view showing another embodiment of the support member. In this support member (40 '), the seedling holding plate (5
The hole for inserting the support shaft (50) and the seedling holding rod (52) of 1) is formed as a long hole (40d). The seedling holding rod (52) is fixed to the support member (40 ') by a fixing means such as a nut (53) at an appropriate position of the elongated hole (40d). According to this long hole (40d), there is an advantage that the fine adjustment of the installation position of the support shaft (50) of the seedling holding plate (51) and the seedling holding rod (52) is possible.

[0015]

The present invention has the following effects by providing the above-described configuration. According to the seedling mounting table of the rice transplanter according to claim 1, the seedling holding plate formed of a plate-like member and capable of abutting on the upper part of the seedling is removably mounted on the lower part of the seedling mounting table, and the seedling is further removed therefrom. At a position near the bottom plate of the mounting table, a seedling holding rod composed of a rod-shaped member and capable of abutting on the top of the seedling is removably erected, so it is possible to select the seedling holding plate and the seedling holding rod and adjust the installation position. Since it is possible to cope with the variety of heights of the seedlings, it also contributes to the improvement of the durability of the seedling holding means.

According to the seedling mounting of the rice transplanter according to the second aspect of the present invention, the installation position of the seedling holding rod installed under the seedling mounting is adjusted substantially perpendicularly to the bottom plate of the seedling mounting. By changing the direction of the pressing force for holding the seedlings, it is possible to more appropriately cope with the diversity of the height of the seedlings and the like.

[Brief description of the drawings]

FIG. 1 is a side view of a main part of a riding rice transplanter.

FIG. 2 is a plan view of the same.

FIG. 3 is a rear view showing the seedling mounting table;

FIG. 4 is a side view of the same.

FIG. 5 is a side view showing another embodiment of the support member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Running vehicle body 11 Body frame 12 Engine 13 Transmission case 14 Front axle case 15 Front wheel 16 Rear axle case 17 Rear wheel 18 Bonnet 19 Step 20 Body cover 21 Driver's seat 22 Steering handle 30 Planting part 31 Nursery stand 31a Bottom plate 33 Top link 34 Lower Link 35 Lower Guide Rail 36 Upper Guide Rail 37 Planting Transmission Case 38 Center Flat Float 39 Left / Right Level Float 40, 40 'Support Member 40a-c Hole 40d Elongated Hole 41 Cylindrical Body 41a Nut 42 Connection Member 43 Support 44 Seedling mat holder 45 Plate 45a Nut 46 Support plate 47 Sub seedling mat holder 50 Support shaft 51 Seedling holder plate 51a Tube part 52 Seedling holder bar 60 Seedling removal plate

Claims (2)

[Claims] 1. A support member is provided upright from a seedling mounting table at a position including at least both ends in the width direction of the seedling mounting table at a lower portion of a seedling mounting table obliquely provided at a rear portion of a rice transplanter. The member is provided with a seedling presser plate supporting means which is constituted by a plate-like member and which detachably supports a seedling presser plate which can be brought into contact with the upper part of the seedling, and at a position closer to the bottom plate of the seedling mounting table than the seedling presser plate supporting means. A seedling mounting stand for a rice transplanter, comprising: a seedling holding rod supporting means that is constituted by a rod-shaped member and that detachably supports a seedling holding rod that can contact an upper part of the seedling. 2. A support member is erected upward from the seedling mounting table at a position including at least both ends in the width direction of the seedling mounting table in a lower portion of the seedling mounting table obliquely provided at the rear of the rice transplanter. The member, a seedling presser rod supporting means, which is constituted by a rod-shaped member and detachably supports a seedling presser rod that can contact the upper part of the seedling,
A seedling stand for a rice transplanter, wherein a plurality of seedling stands are provided substantially perpendicular to a bottom plate of the seedling mounting table.