JP2622438B2 - Agricultural powder spraying equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for dispersing agricultural particles such as crop seeds and fertilizers in a field.

[0002]

2. Description of the Related Art One of the above-mentioned apparatuses for dispersing agricultural powdery and granular materials is a fertilizer applying a fertilizer to a field. An example of this fertilizer is disclosed in Japanese Utility Model Laid-Open No. 2-70618. . In this fertilizer applicator, a tank for storing fertilizer (6 in FIG. 2 of the above-mentioned publication), a feeding part (7 in FIG. 2 of the above-mentioned publication) connected to a lower part of the tank, and a lower part of this feeding part A funnel (10 in FIG. 2 of the above publication) is provided, and a delivery roll (7a in FIG. 2 of the above publication) provided with a concave portion on the outer surface is rotationally driven in the delivery section, and is delivered from the lower part of the tank. Is configured to take in fertilizer into the recessed part and discharge it to the funnel below. In addition, a brush-like scraping member is provided which dams excess fertilizer in the concave portion with the rotation of the feeding roll and leaves it on the tank side. There is provided a ditcher (9 in FIG. 5 of the above-mentioned publication) (corresponding to a feeding mechanism) for digging a ditch in a field, and the fertilizer from the feeding roll is supplied with a guide member of a funnel part (see FIG. 2 of the above-mentioned publication). 10a) (corresponding to the first posture) to the first exit (B in FIG.
It is configured to be fed into the groove generator through 1).

[0003]

In the above-mentioned structure, a second outlet (B2 in FIG. 2 of the above publication) is provided in the funnel for discharging fertilizer. Therefore, when removing the fertilizer remaining in the tank after the fertilization operation, the fertilizer shown in FIG.
Is switched to the position indicated by the two-dot chain line (corresponding to the second position), and the brush-like scraping member that is in contact with the feeding roll is extracted. With this configuration, the fertilizer in the tank passes between the outer surface of the feeding roll and the scraping member, and is discharged from the second outlet by the guide member. However, in the above-described structure, when extracting the fertilizer from the tank, two operations of switching the guide member and extracting the scraping member must be performed, so that there is room for improvement in operability. An object of the present invention is to provide an apparatus for dispersing agricultural particles as described above so that the agricultural particles remaining in the tank can be easily extracted.

[0004]

The feature of the present invention resides in the following configuration of the above-mentioned agricultural powder dispersing apparatus. That is, the scraping member is attached to the scraping member.
Swing operation of a first operation lever for linked posture switching operation
Along with the above, the damping posture brought into contact with the outer surface of the feeding roll, and the agricultural powder in the tank separated from the outer surface of the feeding roll and discharged into the funnel from between the outer surface of the feeding roll and the scraping member. The guide member is configured to be switchable between a discharge position and a discharge position, and the guide member is switched between the first position and the second position.
The second operation lever for switching operation to the first operation lever
An interlocking mechanism, which is provided near the guide member at a position lower than the guide member and switches the scraping member to the discharge position in conjunction with the switching operation of the guide member to the second posture side, the guide member and It is erected and connected to the scraping member.

[0005]

[Action] [i] as shown in FIG. 1 for example, constructed as described above, in Cough posture scraper 17 is in contact with the outer surface of the feed roll 12, in the state of the first posture in which the guide member 18 is shown by a solid line When the guide member 18 is switched to the second position indicated by the two-dot chain line, the operation of the interlocking mechanism 24 causes
The scraping member 17 is automatically switched to a discharge position away from the feeding roll 12 to the right in the drawing. Also, the scraping section
The member 17 is in the damming position and the guide member 18 is in the first position.
In the posture state, the scraping member 17 is set in the discharging posture.
When the switching operation is performed, the guide member 18 is switched to the second posture.
Made. As a result, the agricultural particles remaining in the tank 13 fall downward from the space between the outer surface of the feeding roll 12 and the scraping member 17, and the guide member 1 in the second posture.
8 discharges from the second outlet 8b. [B] Both parts of the scraping member 17 and the guide member 18
First operation lever 22 for operation of switching the posture of members 17 and 18
And the second operation lever 23 are separately provided ,
In the case of [a], the first operation lever 22 and the second operation
Whichever of the lever 23 is operated, the scraping member 17
The guide member 18 is automatically moved to the second posture.
It is dynamically switched. Therefore, the worker must be standing
To operate the bar, use the operation lever located on the upper side.
It is sufficient to operate the (first operation lever), and the squatting posture
To operate the lever with, use the operation lever located on the lower side.
-(The second operating lever) should be operated (
Operation lever located on the upper side is easy to operate
If you think, operate the upper operating lever
No). In other words, operate in a position that the operator thinks is easy to operate.
Lever can be operated. For example, the interlocking mechanism
And the scraping member 17 and the guide member 18
Only one operation lever for posture switching operation is provided on the guide member 18.
If it is installed on the side, let the operator operate in a standing posture
It must bend down deeply,
However, according to the present invention, in a standing posture
Can operate the operation lever located on the upper side.
Inconvenient. [C] The worker switches between the scraping member 17 and the guide member 18
The operating state can be grasped by the posture of the operation lever. This place
In the case, there are two operation levers at the top and bottom
If the interlocking mechanism is provided, but only one operating lever
Not provided, or one of the operating levers is particularly low
Compared to the case where it was provided only at the position,
It becomes easy to see and the scraping member 17 and the guide member 18
You can now prevent forgetting to switch.

[0006]

According to the above operation (a), two operations of the operation of the scraping member and the operation of the guide member are conventionally performed when discharging the agricultural powder remaining in the tank. Thus, in the present invention, the operation of the scraping member can be performed simultaneously by the operation of the guide member, so that the agricultural powder remaining in the tank can be discharged by one operation ,
In addition, the guide member and the scraping member
The operator can easily operate the operation lever for changing the posture of the
Because it can be operated in the posture that you want,
The operability of the work of discharging the garbage was improved. And the action
The [c], fertilizer remaining in the tank after fertilization work industry
It has become possible to prevent forgetting to remove the fee.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 2, a rotation-driven planting case 3 having a pair of planting arms 2 at the rear of the planting mission case 1, a seedling rest 4 above the planting mission case 1, a planting mission case 1 is provided with a float 5 at a lower portion thereof to constitute a seedling planting device of a riding type rice transplanter. A fertilizer applicator, which is an example of an agricultural powder disperser, is connected and supported by the seedling planter.

Next, the fertilizer application device will be described. As shown in FIG. 2, the grooved plate 6 is fixed to the float 5,
A groove forming device 7 (corresponding to a feeding mechanism) is fixed to the groove cutting plate 6. The groove making device 7 is configured by bending a flat plate into a U-shaped cross section, and digs a groove in a field as the riding type rice transplanter advances. On the other hand, as shown in FIGS. 1 and 2, a fertilizer storage tank 13 and a feeding portion 14 are connected and supported by a frame 10 fixed to the planting mission case 1. Funnel part 8 is connected. A first outlet 8 is provided at a lower front side of the funnel portion 8.
a and the second outlet 8b is opened at the lower rear side.
The pipe 11 is connected to the groove generator 7 from the outlet 8a.
A removable rubber cap 9 is attached to the second outlet 8b.

As shown in FIG. 1 and FIG. 2, a feeding roll 12 having a concave portion 12a for feeding fertilizer in a tank 13 is rotatably supported in the feeding portion 14. Then, the planting case 3 and the feeding roll 12 are connected to the link rod 1.
5, the operation arm 16 and a one-way clutch (not shown) are linked to each other, and the rotation of the planting case 3 causes the feeding roll 12 to be driven to rotate clockwise in FIG. Feeding part 1
4, a brush-like scraping member 17 that contacts the outer surface of the feeding roll 12 is disposed.
The scraping member 17 removes excess fertilizer in the concave portion 12a with the rotation of
And is left on the tank 13 side.

As shown in FIG. 1, first and second funnel portions 8 are provided.
A support shaft 19 is arranged between the outlets 8a and 8b so as to be rotatable around the axis, and a flat guide member 18 is fixed to the support shaft 19. Then, in a normal working state, the guide member 18 is set to the first posture shown by a solid line in FIG.

According to the above structure, as the seedlings are planted by the planting arm 2, the groove-producing device 7 digs a groove beside the seedlings, and the fertilizer fed out from the feeding roll 12 of the feeding portion 14 removes the fertilizer from the funnel portion 8. Guide member 18 in first position, first outlet 8
a and the pipe 11 is fed into the groove dug by the groove generator 7.

Next, a structure for extracting the fertilizer remaining in the tank 13 will be described. As shown in FIG.
Inside, a support shaft 20 is disposed so as to be rotatable around the axis, and a scraping member 17 is bolted to a support member 21 fixed to the support shaft 20. Then, the first operation is performed on the end of the support shaft 20 protruding outward from the feeding portion 14.
And create the lever 22 is fixed, the first operating lever 2
By operating the button 2 , the scraping member 17 can be switched between the damping position indicated by the solid line in FIG. 1 and the discharging position separated to the right in the drawing. A toggle spring (not shown) for switching and holding the scraping member 17 between the damping position and the discharging position is provided.
It is attached to the support shaft 20.

In the guide member 18, a second operation lever 23 is fixed to an end portion of a support shaft 19 protruding outward from the funnel portion 8, and the guide member 18 is operated by operating the second operation lever 23. 1 can be switched between a first position indicated by a solid line and a second position indicated by a two-dot chain line. A toggle spring (not shown) for switching and holding the guide member 18 between the first position and the second position is provided on the support shaft 19.

Then, as shown in FIG.
Of the first operating lever 22 and the second operating lever of the guide member 18
A link rod 24 (corresponding to an interlocking mechanism) is erected and connected to the link 23 . With this structure, if the scraping member 17 is operated by the first operation lever 22 to the discharge position separated from the feeding roll 12 from the normal operation state as shown in FIG. 1, the second operation lever 23 and the The guide member 18 is switched to the second posture indicated by the two-dot chain line. Conversely, when the guide member 18 is operated by the second operation lever 23 to the second position shown by the two-dot chain line, the first operation
The lever 22 and the scraping member 17 are switched to the discharging posture separated from the feeding roll 12.

Therefore, the fertilizer remaining in the tank 13
Space between the outer surface of the feeding roll 12 and the scraping member 17
From below, and the guide member 18 in the second posture
It is discharged from the second outlet 8b. And the emission
After the endFirst operation lever 22OrSecond operation lever 23To
Operate to return to the normal working state shown in FIG.
Because In this case, the guide member 18 is indicated by a solid line in FIG.
If not returned to the first position, the feeding roll 12 rotates.
A check mechanism for preventing the drive may be provided. or,
If the link rod 24 is removed, the scraping member 171st operation
Work lever 22And the guide member 18Second operation lever 23
Can be operated independently of each other.

[Other Embodiments] The present invention is not only a fertilizer for fertilizer, but also a direct sowing apparatus for sowing crop seeds directly in a field, and a direct sowing apparatus for sowing crop seeds and fertilizer simultaneously in a field. Also applicable to

In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of the drawings]

FIG. 1 is a longitudinal side view of the vicinity of a feeding part and a funnel part in a fertilizer application device.

FIG. 2 is an overall side view of a seedling planting device and a fertilizer application device.

[Explanation of symbols]

Reference Signs List 7 feeding mechanism 8 funnel part 8a first outlet of funnel part 8b second outlet of funnel part 12 feeding roll 12a concave portion of feeding roll 13 tank 14 feeding part 17 scraping member 18 guide member 22 first operating lever 23 second operating lever 24 Interlocking mechanism

Claims (1)

(57) [Claims] 1. A tank (13) for storing agricultural granules,
The feeding part (1) connected to the lower part of this tank (13)
4) and a funnel part (8) connected to the lower part of the feeding part (14), and a feeding roll (12) provided with a concave part (12a) on the outer surface is rotated in the feeding part (14). When driven, the agricultural powder is taken into the concave portion (12a) of the feeding roll (12) from the lower part of the tank (13) and discharged to the funnel portion (8) below. ), A scraping member (17) for damping excess agricultural particles in the concave portion (12a) and leaving it on the tank (13) side is provided, and a feeding mechanism for feeding the agricultural particles into the field ( First outlet (8a) communicating with 7)
And a second outlet (8b) for discharge in the funnel portion (8), and a first posture for guiding the agricultural granules from the feeding roll (12) to the first outlet (8a); The agricultural powder dispersing apparatus according to claim 1, wherein the funnel (8) is provided with a guide member (18) that can be switched between a second position for guiding to the second outlet (8b) and the scraping member (17). ) To the scraping member (17).
Of the linked first operation lever (22) for the posture switching operation
Along with the swinging operation, the damping posture brought into contact with the outer surface of the feeding roll (12), and the agricultural powdery granules in the tank (13) separated from the outer surface of the feeding roll (12) are removed from the feeding roll (12). It is configured to be freely operable to switch between an outer surface and a scraping member (17) to a discharge position for discharging to the funnel portion (8), and the guide member (18) is set to the first position.
Operating lever (23) for switching between the first position and the second position
At a position below the first operation lever (22).
The guide member (18) is provided near the member (18) .
The scraping member (17) in conjunction with the switching operation to the posture side
And an interlocking mechanism (24) for switching to a discharging position is connected between the guide member (18) and the scraping member (17).