JPS6415Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a seedling feeding device for a transplanter, which synchronizes with the planting operation of the planting device to reliably feed seedlings to the planting device without damaging them. .

Transplanting machines equipped with a furrower, a planter, and a potter in that order are known and have recently become popular as an aid to the mechanization of agricultural work.

Regardless of whether the transplanter is self-propelled, hand-propelled, or tractor-mounted, it is important to feed seedlings one by one into the transplanter without damaging them.

Conventionally, seedlings have been supplied manually by an operator or an assistant into a planting device, but since the planting device is located at the bottom of the machine, the seedling feeding posture of the operator, etc. I ended up in a so-called hunched over position, which caused considerable fatigue. Furthermore, since the above-mentioned seedling supply method is inefficient, a method of mechanically feeding the seedlings has been proposed, but seedlings are often broken or damaged during this feeding, resulting in so-called missing plants. Most of them were still there.

The present invention was devised in view of the above-mentioned circumstances, and involves retaining a large number of seedlings on a seedling stand installed at the top of the machine frame, and transporting the retained seedlings by a pair of endless rotating bodies. By feeding the seedlings into the planting machine while holding them in the body, it is possible to streamline the feeding of seedlings and eliminate damage to the seedlings. A seedling platform is provided, a planting device is provided at the bottom of the machine frame, a carrier is provided that connects the seedling platform and the planting device, and sends the seedlings toward the planting device. An interlocking body that is driven in synchronization with the planting operation is provided, and the endless rotating body has a horizontal conveying section on the upper side and a downward conveying section following the horizontal conveying section and circulates. The conveying body is constituted by another endless rotating body that has a downward conveying part opposite to the downward conveying part of the body and circulates,
The lower conveyance section is located at the point where the seedlings are held between the opposing surfaces of the pair of endless rotating bodies.

Hereinafter, a case in which an embodiment of the present invention is applied to a self-propelled wheel-type riding transplanter will be described in detail, but the seedling feeding device of the present invention can also be applied to a tractor-mounted type, a hand-push type, etc. transplanter.

In FIGS. 1, 2, and 3, which illustrate the overall configuration of a self-propelled wheel-type passenger transplanter 1, 2 is a machine frame that frames a pair of cylindrical members, and an engine 3 is mounted in the front part. are doing. A transmission case 4 with a rear downward slope is connected to the engine 3 via a clutch housing, and a main clutch, a steering clutch, and an appropriate transmission are built in the transmission case 4. is the main clutch lever, 6 is the steering clutch lever, and 7 is the gear shift lever.

Reference numeral 8 denotes a pair of left and right transmission devices, each of which has a built-in transmission body such as a chain and gears, and is driven by engine power. In this embodiment, the upper part of the transmission device 8 is rotatable around a horizontal axis 9. It is supported on the transmission case 4 side, and a front wheel 10 is pivotally supported at the lower part of each transmission device 8, and the pair of left and right front wheels 10 serve as driving wheels.

11 is an adjustment body shown as a telescopic cylinder;
As shown in the figure, the arm 12 of the transmission device 8 is pivotally connected to a pedestal 13 erected at the center of the fuselage 2, and when the adjustment body 11 is extended, the left and right front wheels 10 are
is held swingably about the horizontal axis 9 in the longitudinal direction as shown in FIG.

Reference numeral 14 denotes a hydraulic pump, which is installed on the upper part of the transmission case as shown in FIG. The body 11 is made expandable and contractible. In addition, 1 in Figure 6
6 indicates a relay lever for valve operation. Furthermore, the adjusting body 11 can also be a screw structure instead of a telescopic cylinder.

17 is a transplant device, and in this embodiment, it is shown in FIG.
As shown in FIG. 7, a pair of left and right disc-shaped groovers 18, a pair of left and right planting discs 19 and a planting arm 20 constitute a planting device 21, a pair of left and right disc-shaped soil covering devices 22, etc. They are provided in the lower part of the machine frame 2 in that order so as to be adjustable and fixed in the height direction via the support frame 23 and the like.

Reference numeral 24 denotes a seedling mounting stand, which is provided at the middle upper part of the machine frame 2 via the pedestal 13. The seedling mounting stand 24 is provided at the seedling transfer point of the planting device 21 and corresponds vertically to the seedling guide tube 25. A window 26 is opened at the position.

The soil covering device 22 and the planting device 21 are synchronously driven by a winding transmission body, and the planting device 21 is driven by the seventh
The seedling is grabbed at position A shown in the figure and released at position B on the ground side with the root of the seedling facing down.

Reference numeral 27 denotes a conveyor, which transports the seedlings from the seedling platform 24 to the A position of the planting device 21 in synchronization with the planting device 21, and is a conveyor that moves in a circular manner as shown in FIGS. 3 and 4. The endless rotating bodies 28 and 29 are arranged opposite to each other so as to sandwich the root part of the seedling (see reference numeral C in FIG. 5) with opposing surfaces 30 and 31 of the endless rotating bodies 28 and 29, respectively.

That is, as shown in FIG. 4, the conveying body 27 has a horizontal conveying section 40 on the upper side and a downward conveying section 40A following this horizontal conveying section 40, and is rotated from a pair of endless rotating bodies 28 and 29 that circulate. , the lower conveyance section 40A
are the opposing surfaces 30 and 31 of the pair of endless rotating bodies 28 and 29
The seedling C is held between the two.

The endless rotating bodies 28 and 29 are made by pasting elastic bodies 32 and 33 such as sponge on the entire surface of the belt as shown in FIG.
4, 35, and the endless rotating body 29 is wrapped around the upper part 2.
It is wound around two rotating bodies 36, 37 and one lower rotating body 38 in a triangular shape as shown in FIG.
The lower rotating bodies 35 and 38 are interlocked by a winding transmission member 39 such as a belt or chain, so that they can freely rotate in the direction of the arrow in FIG.

In addition, the upper horizontal conveyance part 40 of the endless rotating body 29 protrudes upward from the window 26, and the facing surfaces 30, 3
1 is inclined, and the rotating body 35 has a long hole shaft support 35A.
It is desirable to be able to adjust and fix it freely through.

41 is an interlocking body, which drives the planting device 21, the soil covering device 22, and the conveying body 27 in synchronization;
As shown in FIGS. 7 and 7, the direction change transmission body 42 formed by a bevel gear provided on the upper part of the machine frame 2 and the sprocket provided at the bearing portion of the planter 21 are connected by a winding transmission body 43, and the direction change transmission body 42 output shafts 44 are connected to a relay section 45 that interlocks with the winding body 39.

In addition, in FIGS. 1 and 8, 46 is a driver's seat, which is provided in the rear half of the machine frame behind the seedling platform 24. On one side of the driver's seat 46, there is a main clutch operating lever 47 and a gear shift lever. An operating lever 48 is provided, and an adjusting body operating lever 49 is provided on the other side as shown in FIG.
are provided, and each lever can be remotely operated via a Bowden wire, rod, etc. with respect to the corresponding lever.

Also, in FIG. 7, 50 is a step;
This step includes a foot pedal 51 for the steering clutch.
is provided.

Furthermore, in FIGS. 2, 3, and 8, 52
are a pair of left and right rear wheels, which are provided on a support frame 54 via a caster support 53, and the width center portion of the support frame 54 is rotatably supported around a vertical axis 56 with respect to the machine frame 2; Here, a pair of left and right rear wheels 52 are used as steering wheels.

Reference numeral 56 denotes a pair of manual handles extending from the rear of the machine frame 2 on the left and right sides, and an operating lever 57 for steering (steering clutch) linked to the foot pedal 51 is pivotally supported on the handle 56.

In the above embodiment, the transplanter 1 is moved along the longitudinal direction of the ridge by driving the front wheels 10 and steering the rear wheels 52 while straddling the ridge D shown in FIG.

That is, the driver sits in the driver's seat 46 and presses the pedal 51.
In addition to operating the various levers 47 and 48 with your feet,
Manually operate the vehicle to run at a predetermined speed.

As the transplanter 1 travels, the planting device 21 is rotated by the earth-covering device 22 being driven to the ground, and in synchronization with this, the carrier 27 is driven via the interlocking body 41.

Therefore, the driver grabbed a large number of seedlings C placed on the seedling platform 24 directly or via a seedling box, and placed them in a horizontal position on the horizontal conveyance section 40 of the endless rotating body 29, corresponding to the planting pitch. When transferred under the pitch, the horizontal seedlings on the horizontal conveyance section 40 are transferred to the pair of endless rotating bodies 28, 2.
The starting ends (upper parts) of the opposing surfaces 30 and 31 of 9 sandwich the root portions, and the downward conveying section 40
It will be sent to the end (lower part) of A. During this clamping and conveyance, the elastic bodies 32 and 33 can grip the seedlings in a soft manner and can be conveyed with less pain. Since there is no change, the seedlings are surely sent to the seedling gripping part A of the planting device 21 via the seedling guide cylinder 25.

As the seedling gripping section A rotates, the seedlings are dropped into the groove formed by the furrowing device 18 in the releasing section B with the roots of the seedlings facing down, and then covered with soil by the soil covering device 22. That's what I do.

In addition, in the transplanting machine 1 of the embodiment, the wheelbase of the front wheel 10 and the rear wheel 52 can be adjusted by the telescoping operation of the adjusting body 11,
This allows stable driving on both flat and sloping terrain. In addition, when turning on a headland, the driver can once get off and operate the steering clutch using the manual handle 56 in the same manner as a so-called hand-held transplanter, and at this time,
It is preferable that the front wheel 10 is held swinging rearward as shown in FIG. 1 to move the transplant device 17 away from the ground.

In the present invention, a seedling stand 24 is provided on the top of the machine frame 2,
A planting device 21 is provided at the bottom of the machine frame 2, and a seedling stand 24 is installed.
A carrier 27 is provided which communicates the planter 21 with the planter 21 and sends the seedlings toward the planter 21.
It is equipped with an interlocking body 41 that is driven in synchronization with the planting operation of 1, and has a horizontal conveyance section 40 on the upper side and a downward conveyance section 40A following this horizontal conveyance section 40, and is an endless circuit that circulates. Another endless running body 2 that has a running body 29 and a downward conveying section 40A opposite to the downward conveying section 40A of this endless running body 29 and runs in circulation.
8, and the conveying body 27 is constituted by the lower conveying section 4.
0A is the opposing surface 30 of the pair of endless rotating bodies 27 and 28,
Since it is characterized by holding the seedling C between the 31 and 31, it has the following advantages.

A seedling platform 24 is provided at the top of the machine frame 2, and the seedling platform 24 and the planting device 21 at the bottom of the machine frame 2 are connected by a carrier 27, so that the driver (operator)
The seedlings need only be transferred from the seedling table 24 to the carrier 27, and since this work does not require a so-called stooping posture, it can be carried out efficiently and in a comfortable posture.

Further, since the transport body 27 has the horizontal transport section 40 on the upper side, when the seedlings C are transferred to the horizontal transport section 40, this transfer can be easily performed. Furthermore, since the horizontal conveyance section 40 is followed by a downward conveyance section 40A that holds the seedlings C and sends them downward, the supply (feeding) of the seedlings C can be ensured.

Further, the carrier 27 is composed of a pair of endless rotating bodies 28 and 29, and their opposing surfaces 30 and 31 are arranged oppositely to each other and are connected to the planting device 2.
Since it is driven in synchronization with the planting operation in step 1, it is possible to feed the seedlings while grasping them without changing their relative position, and the seedlings are not damaged during the feeding process and can be fed accurately. .

Further, one endless rotating body 29 has a horizontal conveyance section 40.
Since the horizontal conveyance section 40 and the downward conveyance section 40A follow the horizontal conveyance section 40, the horizontal conveyance section 40 and the downward conveyance section 40A are circulated at the same speed, and are not conveyed separately. Therefore, not only is it possible to ensure that the seedlings C placed on the horizontal transport section 40 are transferred to the lower transport section 40A, but also the structure can be simplified as they are not driven individually.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; Fig. 1 is a schematic side view of a self-propelled transplanting machine to which the present invention is applied, Fig. 2 is a plan view of the same, Fig. 3 is a rear view of the same, and Fig. 4 is a schematic side view of a self-propelled transplanter to which the present invention is applied. The back view of the main parts, Figure 5 is an enlarged view of the seedling clamping part in the part indicated by arrow E in Figure 4, Figure 6 is a side view of the front half of the transplanter, and Figure 7 is the middle part of the transplanter showing the main parts of the present invention. FIG. 8 is a side view of the rear half of the transplanter. 2... Machine frame, 21... Planting device, 24... Seedling stand, 27... Transport body, 28, 29... Endless rotating body, 30, 31... Opposing surface, 41... Interlocking body.

Claims (1)

[Scope of utility model registration request] A seedling platform 24 is provided at the top of the machine frame 2, a planting device 21 is provided at the bottom of the machine frame 2, the seedling platform 24 and the planting device 21 are connected, and the seedlings are sent toward the planting device 21 for transportation. A body 27 is provided, and an interlocking body 41 is provided that drives the carrier 27 in synchronization with the planting operation of the planting device 21. Furthermore, a horizontal carrier 40 and a horizontal carrier 4 are provided on the upper side.
An endless running body 29 that has a downward conveyance section 40A following the endless running body 29 and runs in a circular manner; A transplanting machine characterized in that the conveying body 27 is composed of an endless rotating body 28 and a lower conveying section 40A that holds the seedling C between opposing surfaces 30 and 31 of the pair of endless rotating bodies 28 and 29. Seedling feeding device.