JPH0833A - Agricultural working machine - Google Patents

Abstract

PURPOSE:To enable an operator riding in a mobile machine body to perform the rapid regulation so as to always afford a proper fertilizer application state and to maintain the front and rear balance of the machine body in a good state in an agricultural working machine, equipped with fertilizer application nozzles connected to a fertilizer tank in a mobile machine body having front and rear wheels and designed to simultaneously perform agricultural operations and application of the fertilizer into soil. CONSTITUTION:This agricultural working machine is obtained by arranging all of fertilizer application nozzles 8, an indicator 10 capable of confirming the flow of a fertilizer to the fertilizer application nozzles 8 and a changeover lever 9 capable of lifting and lowering the fertilizer application nozzles 8 to operative positions and inoperative positions in the front of the mobile machine body 4 and further installing the fertilizer tank 14 in the upper rear from the axle center (3a) of the rear wheels in the mobile machine body 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an agricultural working machine capable of performing fertilization in soil at the same time as agricultural work such as transplanting seedlings.

[0002]

2. Description of the Related Art Generally, agricultural working machines for transplanting seedlings have
It is known that a traveling machine equipped with front and rear wheels is provided with a fertilizer application nozzle connected to a fertilizer tank so that fertilizer can be applied to soil at the same time as agricultural work such as transplanting seedlings.

[0003]

However, in this type of agricultural working machine, it is common to provide a fertilizer application nozzle, which is opened rearward and downward, at the rear of the machine body, and an indicator or the like for confirming the flow of fertilizer application is provided in the vicinity thereof. Therefore, it is difficult for an operator who is on the center of the machine body to visually check the fertilizer application nozzle in the same posture, and it is difficult to quickly and properly adjust the fertilizer application state. Moreover, there is a problem that the fertilizer application tank connected to the fertilizer application nozzle provided at the rear part of the machine body deteriorates the front-rear balance of the machine body. The present invention was created to solve the above problems,
Fertilizer can be fertilized in the soil at the same time as agricultural work such as transplanting seedlings, but the operator on board can directly see the fertilizer application nozzle in the same posture, and can always quickly and properly adjust the fertilizer application. It is an object of the present invention to provide an agricultural work machine in which a front and rear balance of the machine body can be favorably maintained by a fertilizer tank provided at the rear part of the machine body.

[0004]

In order to solve the above-mentioned problems, the technical means taken by the present invention is to provide a traveling machine body having front and rear wheels with a fertilizer application nozzle connected to a fertilizer tank.
In an agricultural work machine adapted to fertilize soil simultaneously with agricultural work, the fertilizer application nozzle, an indicator for confirming the flow of fertilizer to the fertilizer application nozzle, and a switching lever for moving the fertilizer application nozzle up and down between a working position and a non-working position are provided. Both of them are arranged in the front part of the traveling machine body, and the fertilizer tank is arranged in the rear upper part of the rear wheel axle center of the traveling machine body.

[0005]

Therefore, according to the present invention, the fertilizer application nozzle connected to the fertilizer tank applies fertilizer to the soil at the same time as the agricultural work as the machine body travels. At this time, the operator on board the machine can easily see the fertilizer application nozzles arranged on the front part of the traveling machine body and can quickly adjust the fertilizer application nozzles and indicators in the same posture, so always keep the fertilizer application proper. You can The fertilizer tank located rearward and above the center of the rear wheel axle can be balanced with the fertilizer application nozzles, etc. located in the front part of the traveling machine, so that the machine's front-rear balance is maintained well and agricultural work is performed smoothly. be able to.

[0006]

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings. First, in FIG. 1, reference numeral 1 denotes a machine body frame of a traveling machine body 4 having front wheels 2 and rear wheels 3, and a seedling transplanting device 6 including a seedling supply disc 5 and the like is provided at a substantially central portion of the machine body frame 1. The driver's seat 7 is disposed behind the vehicle. Further, a fertilizer application nozzle 8 that opens downward and rearward, a switching lever 9 that raises and lowers the fertilizer application nozzle 8 to a working position and a non-working position, and an indicator 10 that confirms the flow of fertilizer are all attached to the front part of the traveling machine body 4. In the rear part of the traveling body 4, an engine 11 and a fertilizer pump 1 are installed.
2 and the power from the engine 11 described above is applied to the fertilizer pump 12
A power transmission device 13 for transmitting the power is arranged. Reference numeral 14 is a fertilizer tank, and 15 is a seedling mount.

The fertilizer application nozzle 8 is an upper stage nozzle 8 on the left and right.
a, a middle stage nozzle 8b and a single lower stage nozzle 8c, the entire fertilizer application nozzle 8 rolls left and right, and is moved up and down by the switching lever 9. That is, as shown in FIGS. 2 and 3, reference numeral 16 denotes a mounting boss provided in front of the axle center of the front wheel 2, and the mounting boss 16 is mounted on the bracket 17 fixed to the machine body frame 1 via the support shaft 18. Is supported so that it can be rocked back and forth.
A mounting plate 19 protruding forward is fitted to the left and right so as to be rotatable left and right. A support bar 20 in the left-right direction is fixed to the rear surface of the fitting portion of the mounting plate 19, and support plates 21 for the upper nozzle 8a and the middle nozzle 8b are fixed to both ends of the support bar 20. Further, the support plate 22 of the lower stage nozzle 8c is supported by the mounting plate 19 via the connecting plate 23 so as to be freely swingable back and forth, and the entire fertilizer application nozzle 8 rolls left and right with the mounting boss 16 as an axis.
Reference numeral 24 denotes a spring for urging the connecting plate 23 rearward. The lower stage nozzle 8c is urged and elastically held by the spring 24 at a lower working position.
When the table comes into contact with the cultivator or the like, the lower nozzle 8c moves upward against the bias.

Further, the switching lever 9 is fixed to a rearwardly facing bracket 25 provided on the upper end side of the mounting boss 16,
A locking pin 26 is provided at the lower end thereof. Then, the upper and lower two-stage grooves 27a, 27 with which the locking pin 26 is locked.
If the locking bracket 27 having the b formed therein is fixed to the machine body frame 1 and the locking pin 26 is locked in the lower groove 27a by operating the switching lever 9 up and down, the fertilizer application nozzle 8 supports the spindle of the mounting boss 16. The fertilizer application nozzle 8 rises to the upper non-working position by descending to the lower working position around the axis 18 and switching and locking the locking pin 26 to the upper groove 27b.

The indicator 10 has its upstream side connected to the fertilizer pump 12 via a connecting pipe 28, and its downstream side via a connecting pipe 29 to an upper stage nozzle 8a and a middle stage nozzle 8 respectively.
It is connected to b. The fertilizer pumped from the fertilizer pump 12 flows to the fertilizer application nozzle 8 at the working position where the lever 30 is pivoted forward, and the pumped fertilizer flows back to the sub-tank at the stop position where the lever 30 is pivoted upward. At the cleaning position where the lever 30 is operated downward, the connection hose 29 to the fertilizer application nozzle 8 can be cleaned by connecting a water hose or the like to the path to the sub tank. Reference numeral 31 is a bifurcated connector for changing the connecting pipe 29 from the upper nozzle 8a or the middle nozzle 8b to the lower nozzle 8c.

The power transmission device 13 is an engine 11
The power taken out of the fertilizer pump 12 is transmitted to the fertilizer pump 12 via the gear transmission mechanism 32, the sprocket transmission mechanism 33, etc., and the rotation speed of the fertilizer pump 12 is changed in a wide range by recombining gears, sprockets and the like. The fertilizer application rate can be adjusted. The fertilizer tank 14 connected to the fertilizer pump 12 is supported via a stay 34 on the rear upper side of the axle center 3a of the rear wheel 3, and is provided with a fertilizer application nozzle 8 and an indicator provided in the front portion of the traveling machine body 4. 1
It is designed to be balanced with a weight of 0 or the like.

In the configuration as described above, the traveling vehicle body 4 is now
When the fertilizer application nozzle 8 is moved to the work position by operating the switching lever 9 when carrying out the seedling transplanting work, the fertilizer pumped from the fertilizer pump 12 is passed through the indicator 10 to the upper stage of the fertilizer application nozzle 8. Fertilization is applied to the soil from the nozzle 8a and the middle-stage nozzle 8b in the upper and lower two-stage fertilization arrangement. Further, the connecting pipe 29 can be attached to the lower nozzle 8c to switch the fertilization arrangement between the upper and lower stages or the middle and lower stages. During traveling, even if the traveling body 4 meanders to some extent, the mounting boss 1
Since the fertilizer application nozzle 8 supported by the mounting plate 19 fitted to the device 6 rolls left and right with respect to the machine body, the fertilizer application nozzle 8 can proceed straight ahead and apply fertilizer appropriately. On the other hand, even if the lower nozzle 8c comes into contact with a hard cultivator or the like, the lower nozzle 8c moves upward against the bias of the spring 24, so that it does not bend. When the lever 30 of the indicator 10 is rotated forward, the flow of fertilizer to the fertilizer application nozzle 8 is stopped, the fertilizer application operation is interrupted, and the operation of the switching lever 9 can raise the fertilizer application nozzle 8 to the non-working position. it can.

In the above series of fertilizer application, since the fertilizer application nozzle 8, the switching lever 9 and the indicator 10 are all arranged at the front part of the traveling machine body 4, the operator sitting on the driver's seat 7 keeps the posture as it is. The nozzle 8 can be visually observed, the switching lever 9 and the lever 30 of the indicator 10 can be easily operated, and the fertilizer application can always be quickly adjusted to an appropriate fertilization state. And the fertilizer nozzle 8, the switching lever 9, the indicator 10 and the like,
The weight of the rear wheel 3 can be balanced with the fertilizer tank 14 supported on the rear upper side of the axle center 3a of the rear wheel 3, so that the traveling body 1
It is possible to maintain a good front-rear balance.

[0013]

In summary, the present invention provides an agricultural working machine in which a traveling machine body having front and rear wheels is provided with a fertilizing nozzle connected to a fertilizer tank so that fertilizing is performed in soil simultaneously with agricultural work. A nozzle, an indicator for confirming the flow of fertilizer to the fertilizer application nozzle, and a switching lever for moving the fertilizer application nozzle up and down between a working position and a non-working position are both arranged at the front part of the traveling machine body, and the fertilizer tank is provided. Since it was placed in the rear upper part than the center of the rear axle of the traveling body,
Although fertilizer can be fertilized in the soil at the same time as agricultural work such as transplanting seedlings, the operator on the traveling machine can visually check the fertilizer application nozzle in the same posture, and an indicator that confirms the flow of fertilizer to the fertilizer application nozzle and the fertilizer application nozzle. Since you can easily operate the switching lever that raises and lowers
It is always possible to quickly adjust to an appropriate fertilization state. The weight of the fertilizer application nozzles, indicators, switching levers, etc. located on the front of the vehicle is balanced with the fertilizer tank located on the rear upper side of the center of the rear wheel axle, so the front-rear balance of the vehicle is maintained well. Therefore, farm work can be smoothly performed.

[Brief description of drawings]

FIG. 1 is an overall side view of an agricultural work machine.

FIG. 2 is an enlarged side view of the front part of the machine body.

FIG. 3 is a perspective view of the same.

FIG. 4 is a plan view of the rear part of the machine body.

FIG. 5 is an explanatory view of the operation of the fertilizer application nozzle.

FIG. 6 is an explanatory view of the operation of the fertilizer application nozzle.

FIG. 7 is an explanatory view of the operation of the fertilizer application nozzle.

[Explanation of symbols]

 2 front wheel 3 rear wheel 4 traveling machine body 8 fertilizer nozzle 9 switching lever 10 indicator 14 fertilizer tank

Claims (1)

[Claims] 1. A fertilizing nozzle connected to a fertilizer tank is provided on a traveling machine body having front and rear wheels, so as to fertilize soil in the soil simultaneously with agricultural work. An indicator for confirming the flow of fertilizer and a switching lever for raising and lowering the fertilizer application nozzle between the working position and the non-working position are both arranged at the front part of the traveling machine body, and the fertilizer tank is located at the rear axle of the traveling machine body. An agricultural work machine characterized by being placed in the rear upper part than.