JPS5947564B2 - Riding rice transplanter - Google Patents

Description

[Detailed Description of the Invention] (a) Industrial Application Field The present invention is configured such that a rice transplanting machine is connected to the rear of a passenger vehicle so that it can be raised and lowered via a lift mechanism for controlling planting depth. The present invention relates to a riding-type rice transplanter, and more specifically, to an improvement in the form of division of a rice-transplanting machine into a passenger car body.

(b) Prior art This type of riding rice transplanter is equipped with a planting depth control device, which is connected to a refueling means such as a hydraulic pump on the passenger vehicle body, a sensor means provided on the rice transplanter, and a lift mechanism.・The rice-transplanting machine consists of a lift link, a hydraulic cylinder, etc., and operates a switching valve according to the vertical movement of the float detected by a sensor means, supplying and draining pressure oil from the hydraulic pump to the hydraulic cylinder. is moved up and down to maintain a constant planting depth.

On the other hand, such riding-type rice transplanters have a structure in which the rice-transplanting machine side is separated from the passenger vehicle body by disassembling the link of the lift mechanism, for example, in order to facilitate transportation. In this case, it is inevitable that the planting depth control device described above must also be separated from the middle.

If the switching valve is installed directly on the sensor means on the rice transplanting machine side, the hydraulic pipe connecting the switching valve, the hydraulic pump, and the hydraulic cylinder must be disconnected. In addition, it was necessary to disconnect and adjust the wire connecting the sensor means and the sensor means, which made the work extremely complicated.

(c) Problems to be solved by the invention The present invention was proposed in view of the above circumstances.
The purpose of this is to eliminate the need to separate the planting depth control device, which includes a sensor float built into the rice transplanter, from the rear of the link mechanism when separating the rice transplanter from the passenger vehicle body. It provides a type rice transplanter.

(2) Means for Solving the Problem For this purpose, the riding type rice transplanter according to the present invention is provided with side floats on both sides of the sensor flow I for sensing the planting depth in the above-mentioned rice transplanting machine. The machine frame, seedling tank, front plate, planting body, pitch section, etc. are arranged on the top of the frame, and all of the planting depth control device including the sensor float is left at the rear of the link mechanism for other rice planting work. The machine is characterized in that its constituent parts are removable via the pitch section.

(E) Embodiment Hereinafter, an embodiment of the present invention will be specifically described with reference to the drawings.

In the figure, reference numeral 1 is a passenger car body, and this passenger car body 1
A rice transplanting machine 3 is connected to the rear part of the rice transplanter via a lift mechanism 2.

The passenger vehicle body 1 has an engine 5 mounted on a body frame 4, and a front wheel 6 provided below the engine 5. After the power of the engine 5 is inputted to a transmission 8 at the rear of the vehicle body frame 4 through a transmission means 7, it is transmitted to another vehicle. The power is transmitted to the front wheels 6 by a transmission means 9.

Further, behind the transmission 8, a transmission case 10 extends so as to form a planar portal shape with respect to the transmission 8, and a rear wheel 11 is provided at the rear end of the transmission case 10.

Above the vehicle body frame 4, transmission 8 and transmission case 10 is a driver's seat 12, a steering bundle 13,
A shift lever 14 and the like are provided, and a support frame 15 is installed between the transmission cases 10, on which a seat 16 is placed.

In the lift mechanism 2, a link frame 17 is attached to a transmission case 10 on the side of a passenger vehicle body, one end of a parallel link 18, 19 is pivotally supported on this link frame 17, and a link frame 18 is provided between these link frames 17 and an upper link 18. A hydraulic cylinder 20 is provided.

The rice transplanting machine 3 has a connecting member 21 and a body frame 2 of the planting part.
The other ends of the links 18 and 19 of the above-mentioned rift I/mechanism 2 are pivotally supported on the connecting member 21, and the extensible means 2 is bent in a dogleg shape at the tip of the sensor float 23.
Attached via 4.

A locking member 25 is mounted on the upper rear end of the connecting member 21 in the left and right lateral directions, and a mounting fitting 26 is mounted on the rear part of the sensor float 23.

Also, in the fuselage frame 22, there is a seedling tank 27.
The seedling tank 27 is installed so that it can move back and forth in the left and right directions along the front plate 28 with its two parts tilted forward, and the planting body 29 is placed opposite to the open side of the lower end of the seedling tank 27, and its vertical direction is By reciprocating motion, seedlings are cut out one by one from the seedling tank 27 and planted on the rice field.

Furthermore, a hook 30 is attached to the upper front end of the center of the fuselage frame 22 so as to be hooked onto the locking member 25, and side flows h31a, 31b are provided on both left and right sides of the fuselage frame 22, excluding the lower center. These side floats 31a are provided to swing up and down, respectively.

The sensor float 23 can be accommodated between 31b and 31b.

Next, the riding type rice transplanter configured in this way is equipped with a planting depth control device, which is connected to the links 18 and 19 of the lift mechanism 2, the hydraulic cylinder 20, and the passenger vehicle body 1.
A hydraulic pump 33 provided near the engine 5 to be driven by a transmission means 32, and a connecting member 21 of the rice transplanting machine 3.
and the sensor float 23.
It has 4.

Then, the hydraulic pump 33 is connected to the switching valve 34 via a refueling hose 35, and the switching valve 34 is connected to the hydraulic cylinder 20 via a hose 36, and is also connected to the transmission 8 via a drain hose 37 for hydraulic piping. It looks like this.

Thus, since the present invention is configured as described above,
As shown in the figure, by removing the hook 30 from the locking member 25 of the rice transplanting work machine 3 and detaching the metal fitting 26 from the machine frame 22, the wide seedling tank 27, planting body 29, etc. are separated from the machine frame 22. As a result, the entire riding rice transplanter can be divided into two parts, making it possible to use it for transportation.

Also, at this time, the sensor flow I of the sensor section on the rice transplanting machine side
23 is connected to the connecting member 21 that is integral with the lift mechanism 2 on the side of the passenger vehicle body 1, so that the hose 35.23 is piped from the switching valve 34 installed there to the hydraulic pump 33, hydraulic cylinder 20, etc. 36, and the planting depth control device can be held on the passenger vehicle body side without being disassembled.

On the other hand, by locking the hook 30 of the rice transplanting machine 3 to the locking member 25 and locking the metal fitting 26 to the body frame 22, the sensor float 23 can be moved to the left and right side floats 31a,
The rice transplanting work machine 3 is integrated with the housing position between 31b,
Then, the rice transplanting machine 3 is connected to the passenger vehicle body 1 via the lift mechanism 2, and the piling work is performed.

At this time, the sensor flow 1 for the depth and shallowness of the field is
The switching valve 34 operates in accordance with the vertical movement of the hydraulic pump 23, and pressure oil from the hydraulic pump 33 is supplied to and discharged from the hydraulic cylinder 20.

Therefore, the hydraulic cylinder 20 expands and contracts, and the link 18,
19 swings, the entire rice transplanting machine 3 moves up and down, and in this way, the planting depth of the rice transplanting machine 3 is controlled to be constant.

In addition, the sensor flow I.23 is a side float 31a.
, 31b, it operates stably and has high sensing accuracy.

(f) Effects of the Invention According to the present invention, in the rice-transplanting work machine 3, the planting depth control device including the sensor flows 1 and 23 is arranged above the machine frame 22, the seedling tank 27, the front plate 28, and the planting body 29. Side float 31a equipped with etc.

31b via the hook 30 and lift mechanism 2
Since the planting work machine part can be attached and detached while remaining at the rear of the rice transplanter, there is no need to cut and analyze the planting depth control device when separating the riding-type rice transplanter, and the attachment and detachment work becomes very easy.

Moreover, since the sensor float 23 operates between the side flows h31a and 31b when in use, its sensing accuracy is high and the planting depth of the rice transplanting machine can be controlled to a constant level.

It should be noted that the present invention is not limited to the embodiment described in -L, but is also applicable to a case where the switching valve 34 is attached to, for example, the hydraulic cylinder 20 other than the sensor float 23, and is connected with a wire. be able to.

[Brief explanation of the drawing]

FIG. 1 is a plan view of essential parts of an embodiment of a riding rice transplanter according to the present invention, and FIG. 2 is a side view of the same. 1... Riding rice transplanter, 2... Riff I.
Mechanism, 3... Rice transplanting machine, 4... Body frame, 5... Engine, 6... Front wheel, 7. 9.32... Transmission means, 8...
...Mission, 10...Transmission case, 11.
...Rear wheel, 12...Driver's seat, 13...
...Bundle, 14...Shift lever-115
...Support frame, 16... Sea 1-
117... Link frame, 18.19...
...Link, 20...Hydraulic cylinder, 21.
...Connecting member, 22... Airframe frame,
23...Sensor flow 1., 24...
Expanding/contracting means, 25...Locking member, 26...
・Metal fittings, 27...Seedling tank, 28...
Front plate, 29... Implant, 30... Hook, 31a. 31b...Side flow I...33...
・Hydraulic pump, 34...Switching valve, 35.3
6.37...Refueling hose.

Claims (1)

[Claims] 1. In a riding rice transplanter that is equipped with a lift mechanism at the rear of the passenger vehicle body and is equipped with a rice transplanter that can be raised and lowered via a pitch section provided at the rear of the lift mechanism, the rice transplanter is capable of sensing the planting depth. Side floats are installed on both sides of the sensor float, and the fuselage frame and
The seedling tank, front plate, planting body, pitch section, etc. are arranged, and all of the planting depth control device including the sensor float is left at the rear of the link mechanism, and other components of the rice transplanting machine are installed. A riding-type rice transplanter characterized by being configured to be detachable via a pitch part.