JPH01202211A - Seedling reservoir structure in rice transplanter - Google Patents

Abstract

PURPOSE:To provide the title structure so designed that two preliminary seedling-loading tables are arranged parallel in the seedling-longitudinal feed direction on the upward portion of the main seedling-loading table, thereby making said tables compact in the vertical direction along with preventing poor planting due to seedling deformation or damage in seedling supply. CONSTITUTION:Two preliminary seedling-loading tables 9, 10 loadable with each one sheet of preliminary seedling (b or c) are arranged parallel in the seedling-longitudinal feed direction on the upward portion of the main seedling- loading table 4 provided with a seedling-loading surface 4a parallel loaded with two sheets of mat-like seedling a in the seedling-longitudinal feed direction. Said tables 9, 10 are supported in such a state as to rock separately around the support on the upstream side of the seedling-longitudinal feed direction, and the free end side of the tables 9, 10 is so constructed as to be capable of changeover from (to) an ascending seedling reserve posture raised from the seedling-loading surface 4a to (from) a descending inclined seedling-fee posture in which the preliminary seedling (b or c) slides down onto the main table 4 by its own weight.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a main seedling stand for sliding seedlings into a seedling supply port and feeding them to a seedling planting claw, and a system for placing and storing spare seedlings. The present invention also relates to a structure of a seedling storage part of a rice transplanter, which is provided with a spare seedling pedestal that is slid onto the main seedling pedestal by its own weight and replenished.

[Conventional technology]

In the rice transplanter mentioned above, it is now possible to store two spare seedlings, and it is possible to supply the spare seedlings while suppressing the weight of the spare seedlings acting on the placed seedlings remaining on the main seedling platform to one spare seedling. For example, in 1977-
There was something shown in the 295 old issue.

That is, the preliminary seedling racks are arranged vertically above the upper end of the main seedling rack, and the seedling storage position is raised and swung horizontally, and the free end side is placed on the seedling surface of the main seedling rack or on the lower stage. The seedling feeding position is such that the preliminary seedlings on the side are in contact with the seedling surface of the seedling tray and the seedlings are slid down by their own weight onto the main seedling tray. It is structured so that each part swings independently around the other parts. In other words, two spare seedlings can be stored vertically above the main seedling stand, and the main seedling stand is supplied with the seedlings in order from the bottom.

[Problem to be solved by the invention]

In the case of the conventional structure, the preliminary seedling stands are lined up one above the other, which not only increases the vertical height of the seedling storage structure, but also increases the height of the seedling storage structure.
When replenishing the spare seedlings for the second sheet, the spare seedlings slide down from a relatively distant position upward from the rear end of the seedlings remaining on the main seedling rack, and the remaining seedlings on the main seedling rack and the spare seedlings are separated. There was a risk that some seedlings would be subjected to significant compressive deformation or collapse due to the impactful contact.゛The object of the present invention is to be able to store two spare seedlings, to be compact in both the vertical and longitudinal directions of the machine, and to reduce the weight of the spare seedlings acting on the remaining seedlings in the main seedling stand to one seedling. To provide a seedling storage part structure capable of replenishing seedlings while keeping the amount of time to a minimum and eliminating or minimizing collision of seedlings.

[Means to solve the problem]

The structure of the seedling storage section of the rice transplanter according to the present invention is characterized in that the main seedling tray is equipped with a seedling surface on which two mat-like seedlings are placed side by side in the vertical direction of seedling feeding, and one spare seedling is placed on the main seedling tray. Two auxiliary seedling resting stands formed so as to be placed on each other are arranged in the vertical direction of seedling feeding and arranged above the main seedling holder, and the free end side of the auxiliary seedling resting stand rises above the seedling resting surface mentioned above. Seedlings can be placed vertically in an elevated surface storage position in which the entire body is substantially aligned with the seedling rest, and in a downwardly inclined seedling supply position in which the free end side descends to the seedling resting surface and the pre-placed seedlings slide down under their own weight onto the main seedling rest. A preliminary seedling rest support member is provided to support the preliminary seedling rest in a state in which each of the preliminary seedling rests swings around a fulcrum on the upper side in the feeding direction. The functions and effects thereof are as follows.

[For production]

The two spare seedling racks each carry one spare seedling, and the two spare seedlings are lined up above the main seedling rack in the vertical direction of seedling feeding, and are roughly aligned with the main seedling rack. Store.

Start work by placing two seedlings on the main seedling rest, and the last end of the remaining seedlings on the main seedling rest in the vertical feeding direction will be near the free end of the spare seedling rest on the upper side in the vertical direction of seedling feeding. When the seedling tray reaches the upper side, this can be detected manually or automatically, and the upper side spare seedling tray can be manually or automatically switched to the descending inclined seedling feeding position, and the upper side spare seedling tray can be stored. One end of the spare seedling immediately comes into contact with the rear end of the remaining seedling due to its own weight sliding down, and as the remaining seedling moves downward due to vertical feeding, it follows the remaining seedling due to its own weight sliding and becomes the main seedling. Transfer to a seedling stand. When the consumption of seedlings further progresses and the rear end of the supplied seedlings from the upper reserve seedling rack reaches near the free end of the lower reserve seedling rack in the vertical direction of seedling feeding, this is detected artificially. By automatically detecting the situation and automatically switching the lower side spare seedling rack to a descending inclined seedling feeding position by manual or automatic operation, one spare seedling stored in the lower side spare seedling rack can be prevented from falling due to its own weight. Therefore, one end of the seedling immediately comes into contact with the rear end of the pre-supplied seedling,
As the pre-supplemented seedlings are subsequently moved downward by the vertical feeding of the seedlings, they slide down under their own weight and follow the pre-supplemented seedlings and are transferred to the main seedling rack.

〔Effect of the invention〕

Two spare seedlings can be stored for two spare seedling stands,
Work can be done more efficiently by reducing the number of work interruptions required for seedling replenishment, and the arrangement of the spare seedling rack allows the storage of spare seedlings to be stored in the above arrangement and at the above locations, making it possible to make the machine more compact vertically. Now it can be done both in the direction and in the front and rear directions.

The above-mentioned replenishment method is adopted to swing each of the spare seedling stands separately, and not only can the weight of the spare seedlings acting on the remaining seedlings in the main seedling stand be suppressed to one seedling, but also the remaining seedlings and the replenishment Collisions with seedlings were minimized, making it less likely that poor planting would occur due to deformation or damage to seedlings.

〔Example〕

Next, examples will be shown.

As shown in Figure 7, at the rear of the self-propelled aircraft, which is equipped with wheels (1), an engine (E), a control handle (2), etc.
Two seedlings are planted in parallel in the lateral direction of the aircraft using the arm (3).
(3) and a seedling storage section having a main seedling stand (4), and a ground float (
5) is attached to constitute a walking rice transplanter.

The seedling storage section is constructed as follows.

That is, as shown in Fig. 1, when planting on both sides of the main seedling stand (4), the left and right seedling stands (4a) and (4a) are used to supply seedlings to the arms (3) and (3) separately. The mat-like seedlings (a) are formed so that two mat-like seedlings (a) are placed side by side in the vertical direction. The main seedling stand (4) is placed in an inclined position with its lower end facing forward of the machine and is slidably attached to the guide rail (6) on the side of the machine that also serves as a seedling stopper. Every time the planting claw (3a) of the arm (3) passes through the seedling supply port (7) formed in the guide rail (6), the seedlings are removed from the mantle-shaped surface (a) placed on the main seedling stand (4). Just like cutting and removing block-shaped seedlings, seedlings are planted using an arm (
It is configured so that it is moved back and forth to the left and right in conjunction with the seedling planting movement in 3), and each time the left and right lateral movement stroke end is reached, the placed seedlings (4a) and (4a) are
a), (a) is adjusted to the set length by its own weight and the forced transfer force of the rotary vertical seedling feeder (8).
) so that it can be fed vertically.

As shown in Figures 1 and 5, preliminary seedlings (b) or (
Place four spare seedling stands (9), (9), (10), and (10), each formed to hold one seedling (c), above the left and right seedling stands (4a), (4a). They are arranged above the main seedling stand (4) so that four preliminary seedlings can be stored, two for each seedling stand (4a). Then, the two spare seedlings (b) and (c) for the left and right seedling resting surfaces (4a) and (4a), respectively, are placed on the main seedling resting surface (4a) based on the following structure.
4) It is designed to be automatically replenished.

That is, the two spare seedling resting stands (9) and (10) are arranged in the vertical direction of seedling feeding, and the pair of spare seedling holding stand supporting members (
11) and (12) and attach each separately to the main seedling stand (4). The support members (11) and (12) are made by using the through holes of the handles (9a) or (10a) of the seedling scooping board, which also serves as the preliminary seedling stand (9) or (10), as holding holes. It is configured to receive and lock the preliminary seedling rest (9) or (10), and for flexible engagement, the preliminary seedling rest (9) or (10) is placed on the upper side in the vertical direction of seedling feeding. The structure is such that it is allowed to swing up and down around a fulcrum. In other words, two spare seedling stands (9),
(10) individually, as shown in Figure 1, the free end side rises from the seedling resting surface (4a) and the whole rises to a state almost along the seedling resting surface (4), and the preliminary seedling (b) or (c) with the temporary stopper (13) or (14).
) to prevent it from falling off, and also to prevent it from falling sideways using the bar stopper (15) or (16), so that it can be placed and stored in the second position.
As shown in Figures and Figure 3, while the spare seedlings (b) or (c) are supported by Rondo guides (17) or (18) so that they do not fall off toward the seedling supply port (7), the free end side is It is possible to descend onto the placing surface (4a) and take a downwardly inclined seedling feeding position in which the placed preliminary seedlings (b) or (c) slide down under their own weight onto the main seedling placing surface (4). .

As shown in Figures 4 and 6, two preliminary seedling stands (
9) A pair of stoppers (19) and (20) each supported separately in the ascending surface storage position of (10) is attached to the support tool (2).
1) or (22) and mounting plate (23) or (24)
It is attached to the main seedling stand (4) via. Then, attach the support (21) or (22) to the mounting plate (23) or (
The i! 2 The sensor (25) or (26) for detecting the remaining amount of seedlings (a) is attached to the support (21) or (
22) so that it can swing integrally with the main seedling stand (4), the stopper (19) or (20) is maintained in the operating position while the remaining amount of seedlings on the main seedling stand (4) is greater than the set value, and the remaining amount of seedlings is the set value. When the position is reached, the stopper (19) or (20) is automatically switched to the release position. That is, while the remaining amount of seedlings is greater than the set value, as shown by the imaginary line in FIG. Due to the presence of the seedling (a) below (26), the sensor (25)
Or (26) is on the bed soil of the placed seedling (a), and the stopper (19) or (20) is used for support on the bed.
It maintains the body in its working position. When the remaining amount of seedlings reaches the set value, the placed seedlings (a
) reaches the set position and the sensor (25) or (
Since there is no placed seedling (a) below 26), the sensor (25) or (26) detects its own weight and the spare seedling (b).
Or, due to the weight of (c), etc., the stopper (19) or (20) is released from below the preliminary seedling rest (9) or (10) by descending onto the seedling resting surface (4a). It swings and switches between positions.

In short, as shown in Fig. 1, two mat-shaped seedlings (a) and (a) are placed on the main seedling rack (4), and the preliminary seedlings (a) are placed on the preliminary seedling racks (9) and (10). b) or (c
) and start work. Then, the main seedling stand (4
) when the rearmost end of the remaining seedlings in the vertical feeding direction reaches near the free end of the preliminary seedling platform (9) on the upper side in the vertical feeding direction of the seedlings,
This arrival is automatically detected by Sen+L (25),
Due to the automatic switching of the stopper (19) by the sensor (25), the spare seedling rack (9) is automatically switched to the downwardly inclined seedling feeding position, and the spare seedlings stored in the preliminary seedling rack (9) are removed. (b) slides down under its own weight while pushing up the sensor (25), one end of which immediately comes into contact with the rear end of the remaining seedling (a). By sliding down, the remaining seedlings (a) follow and are transferred to the main seedling stand (4). Then, when the consumption of the seedlings further progresses and the rear end of the supplied seedlings (b) from the spare seedling rack (9) reaches near the free end of the spare seedling rack (10) on the lower side in the vertical seedling feeding direction, This arrival is detected by the sensor (26), and the stopper (20) is automatically switched by the sensor (26), so that the preliminary seedling platform (10) is automatically switched to the descending tilted seedling feeding position, and this preliminary seedling platform is stand (10)
The reserved seedlings (c) which had been stored in the seedlings (c) slide down under their own weight while pushing up the sensor (26), and one end immediately comes into contact with the rear end of the pre-supplied seedlings (b). With the downward movement of (b), the pre-supplied seedlings (
Following b), the seedlings are placed on the main seedling stand (4).

[Another example]

The switching of the preliminary seedling loading tables (9) and (10) to the descending seedling feeding position may be configured and carried out by manual operation.

Incidentally, although reference numerals are written in the claims section for convenient comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.

[Brief explanation of the drawing]

Figures 1 to 3 are partially cutaway side views of the seedling storage section, Figure 4 is a side view of the sensor installation section, Figure 5 is a perspective view of the seedling storage section, and Figure 6 is a view of the stopper and sensor. The plan view and FIG. 7 are side views of the entire walking rice transplanter. (4)... Main seedling stand, (4a)...
Seedling surface, (9). (10)... Spare seedling stand, (11)...
...Preliminary seedling stand support member, (a)...Mat-like seedlings, (b), (c)...Preliminary seedlings.

Claims (1)

[Claims] The main seedling tray (4) is equipped with a seedling loading surface (4a) on which two mat-like seedlings (a) are placed side by side in the vertical direction of seedling feeding, and one spare seedling (b or c) is placed on each. The two prepared preliminary seedling rests (9) and (10) are arranged in the vertical direction of seedling feeding and placed above the main seedling rest (4), and the preliminary seedling rests (9) and (10) are The free end side is the seedling surface (4
The seedling storage position is such that the whole floats up from a) and the whole is almost along the seedling resting surface (4), and the free end side descends to the seedling resting surface (4a) and the preliminary seedlings (b or c) are placed on the seedling resting surface (4a). Main seedling stand (
4) A descending tilted seedling supplying position in which the seedlings are allowed to slide down under their own weight; and a preliminary seedling rest support that supports the preliminary seedling rests (9) and (10) in a state in which each of them swings separately around a fulcrum on the upper side in the vertical direction of seedling feeding. A seedling storage structure of a rice transplanter provided with members (11) and (12).