JPH0524255Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field This invention is a riding-type or walking-type rice transplanter equipped with other working equipment such as a fertilization device or a chemical spraying device, and these working equipment are attached to the rice transplanter. The present invention relates to a power extraction device in a rice transplanter that extracts power from a transmission device to drive the rice transplanter.

(B) Prior art A conventional rice transplanter in which a transmission case was provided in the center of the machine body, a planter transmission case was connected to the side, and a power extraction mechanism was attached to the planter transmission case was disclosed in Japanese Utility Model Application No. 60-64017. Already known.

(c) Problems to be solved by the invention Since the power take-off device in the known rice transplanter was located at a part away from the outside of the machine, other working machines installed in the center of the machine, such as paste paste When driving a granular fertilizer applicator, a granular fertilizer applicator, a chemical sprayer, etc., the power transmission path must be returned to the center of the machine before driving the work equipment, which makes the transmission device significantly more complex and larger. , which increases the manufacturing cost and weight, and furthermore,
There were problems such as the troublesome attachment and detachment of the means for extracting power and the transmission mechanism for transmitting it to the working machine.

(d) Means for solving the problem The present invention consists of a transmission case that is installed approximately in the center of the width of the machine and stands up along the rear surface of the seedling stand, and a planting body that is driven by the transmission case. In a rice transplanter equipped with a planting device consisting of a rice transplanter, etc., a drive case is erected from the center front of the seedling stand of the transmission case, an opening is provided in the upper front part of the drive case, and a PTO gear is provided in the opening. A power extraction portion is provided, and a power extraction attachment in which a gear that meshes with the PTO gear and extracts power is pivotally supported is removably attached to the opening, thereby transmitting the extracted power to other work equipment. The above-mentioned problems have been solved by simplifying the transmission device to reduce the number of parts of the transmission device, and by making it easier to attach and detach the power take-off attachment.

(E) Function: When only planting is performed, the power extraction attachment is not installed; when planting and other work, such as fertilization, are performed at the same time, a fertilizer tank and a pump or delivery device for delivering fertilizer are used. Attach a fertilizer pipe, etc. to the machine body, attach a power take-off attachment to the power take-off part at the upper front of the planter case located in front of the central part of the seedling stand, and connect it to the power take-off part. Interlock work equipment.

In this state, when the machine moves forward while driving each part, the planting unit scrapes off the seedlings on the seedling platform one by one and plants them in the field, and the fertilization device is operated by the power from the power take-off unit to apply fertilizer. do.

(F) Example An example of the present invention will be explained with reference to the drawings.
Reference numeral 1 denotes a fuselage equipped with an engine 2 and a transmission case 2a at the front, and the transmission case 2a
Output shafts 3, 3 protruding left and right from , a transmission case 8 connected to the rear part of the machine body 1 and whose rear part stands up diagonally rearward; and a seedling stand 10 which runs along the front part of the upright part of the transmission case 8 and reciprocates from side to side. , planting body 11
...and center float 12 and side float 1
It is composed of 3, 13, etc.

The transmission case 8 supports a planter shaft 15 at the front, an intermediate shaft 16 at the rear, and a delivery shaft 17 and a spiral shaft 18 for reciprocating the seedling stand 10 from side to side at the rear rising part. , a planting clutch 20 attached to the planter shaft 15;
The input sprocket 20 with a is driven by the sprocket of the transmission case 2a through the chain 21, and the other sprocket 22 of the planter shaft 15 is driven through the sprockets 23, 24 of the intermediate shaft 16 and the chains 25, 26. The sprocket 27 of the shaft 17 is driven.

Further, a drive case 28 stands up from the front of the seedling stand 10 of the transmission case 8, and an output shaft 30 is connected to another sprocket 3 of the planter shaft 15 on the upper part of the drive case 28.
A power take-off part 35 is provided with a sprocket 33 and a PTO gear 34, which are driven by the drive case 28 through a chain 32. The lid is removably screwed on with bolts 37.

Furthermore, in order to carry out other operations at the same time as the planting operation, the power take-off attachment 38, which is attached with the bolts 37 of the opening 36, supports a pair of shafts 39 and 40 in the case, and the lower shaft 39 is attached to the
Attach the drive gear 41 that engages and disengages the PTO gear 34,
A passive gear 42 meshing with the drive gear 41 and a sprocket 43 are attached to the upper shaft 40.

Furthermore, a fertilizer tank 45 is mounted on the body 1 at a location corresponding to the wheels 6, 6, and a pump 47 is connected to the lower part of the discharge pipe 46 of the fertilizer tank 45.
The input sprocket 48 is driven by the sprocket 43 via the transmission 50, chains 51, 52, and sprockets 54, 54, and the pump 4
The paste-like fertilizer sucked in and discharged from the fertilizer tank 45 by 7 is pumped to the fertilization pipes 55 through a distributor and a plurality of hoses 53, so that it is fertilized into the muddy soil on the sides of the seedlings to be planted. Ru.

The pump 47 serves as a feeding device when the working machine is a granular fertilizer applicator or a chemical spraying device, and the output shaft 30 of the power take-off section 35 connects the planting device 7 to the 4
In the case of row planting or 6-row planting, as shown by chain lines in Fig. 4, there is a cylindrical case 56 with horizontal shafts installed at both ends, and a planter transmission case that hangs down from the cylindrical case 56 and has a planter shaft 15 at the bottom. It connects a transmission mechanism consisting of 57 and 57.

In the figure, 58 is an apron, and 59 is a delivery belt with projections.

In the above-mentioned rice transplanter, when planting seedlings and fertilizing at the same time, the power take-off attachment 38 is screwed into the opening 36 of the drive case 28 and is interlocked with the pump 47.

At that time, the transmission devices 5 arranged in a row in the front-rear direction
0, pump 47 and power take-off attachment 38
The pump 47 can be driven by connecting the sprocket 43 with the chains 51 and 52.
The engine 2 connects the wheels 6, 6 and the seedling stand 1 through the transmission case 2a and the following transmission devices.
0, when the planting body 11... and the pump 47 etc. are driven, the planting body 11... scrapes off the seedlings in the seedling stand 10 one by one and plants them on the field surface, and the paste fertilizer in the fertilizer tank 45 is removed by the pump 47. The fertilizer is fed under pressure and applied to the mud from the fertilizer pipe 55.

(g) Effects of the invention As mentioned above, the present invention includes a transmission case 8 which is installed approximately in the center of the width of the machine and stands up along the rear surface of the seedling stand 10, and a planting device driven by the transmission case 8. In a rice transplanter equipped with a planting device 7 consisting of a body 11 etc., a drive case 28 is erected from the center front of the seedling stand of the transmission case 8, an opening 36 is provided above the front part of the drive case 28, and an opening 36 is provided above the front part of the drive case 28. Power take-off part 35 having a PTO gear 34 in the opening 36
is provided in the opening 36, and the PTO gear 34 is provided in the opening 36.
Since the power take-off attachment 38, which has a shaft-supported gear that meshes with the fertilizer and extracts power, is removably attached, when taking out power to other work equipment such as a fertilizer application device, it is necessary to place the power take-off attachment 38 in the center of the width of the machine and on the seedling stand. The power take-off attachment 38 can be easily attached to the opening 36 by meshing the gear with which the power take-off attachment 38 is pivotally supported at the upper part of the drive case 28 that rises from the transmission case of the planting device in the large space at the front and into the PTO gear 34. The power can be extracted by using the machine body 1, and the power can be transmitted to the working machine attached to the machine body 1 using a simple transmission mechanism.

In addition, in the case of a rice transplanter that does not have other working equipment such as a fertilizer applicator, the same planting device can be used as a rice transplanter exclusively for planting by attaching a lid to the opening 36 without attaching the power extraction attachment 38. It can also be used with a rice transplanter equipped with other working machines, resulting in a significant cost reduction.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention,
Figure 1 is a side view of the main parts of the planting device, Figure 2 is a side view of the power take-off section, Figure 3 is a front view of the same as above, Figure 4 is a developed sectional view of the transmission part of the planting device, and Figure 5 is a side view of the main parts of the planting device. The figure is a side view of the rice transplanter. 1... Body, 8... Transmission case, 10... Seedling stand, 11... Planting body, 15... Planter shaft, 30... Output shaft, 34... PTO gear, 36
...opening, 38...power take-off attachment,
47...Pump, 50...Transmission device.

Claims (1)

[Scope of utility model registration request] A transmission case 8 is provided approximately in the center of the width of the machine and stands up along the rear surface of the seedling stand 10.
In a rice transplanter equipped with a planting device 7 consisting of a planting body 11 and the like driven thereby, a drive case 28 is inserted from the center front of the seedling platform of the transmission case 8.
An opening 36 is provided at the upper front of the drive case 28, and the PTO gear 3 is inserted into the opening 36.
A power take-off portion 35 having a diameter of 4 is provided, and the opening 3
6 is a power extraction attachment 38 in which a gear that meshes with the PTO gear 34 and extracts power is pivotally supported.
A power extraction device for a rice transplanter, characterized in that the power extraction device is detachably attached to the rice transplanter.