JPH09154351A - Duster in fertilizer dusting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the practices of takeout and cleaning of a remaining fertilizer carried out after completing dusting operations of the fertilizer, etc., according to simple operations simple exchange of agitators when preparing plural kinds of the agitators, and further regulation of the dusting amount in conformity with fertilizers different in properties ranging from a powdery or a granular fertilizer to an organic fertilizer poor in fluidity. SOLUTION: This duster in a fertilizer dusting machine is obtained by arranging an agitator 4 in the upper part of a bottom plate 20 having bottom plate spraying holes 21... at the bottom in a hopper 2 and a shutter plate 3, etc., superposing on the bottom plate 20 so as to enable the free sliding, freely telescopically transmitting and connecting a shaft end at one end side of a rotating shaft 40 through an engaging part for enabling the free engagement and disengagement such as a spline to a driving shaft protruding from a transmission gear box additionally installed on one side of left and right of the hopper 20. The shaft end of the rotating shaft 40 on the other end side is axially installed through a bearing in a bearing supporting member 43 assembled in the other side of left and right of the hopper 2 so as to enable the free installation and removal.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mounts a laterally elongated box-shaped hopper on a machine body that is self-propelled or towed, and puts lime, fertilizer and the like into the hopper. In a fertilizer spreader that moves in the field by running the machine and sprays fertilizer and the like from the feeding port provided at the bottom of the hopper during the movement, improvement of the spraying device installed at the bottom of the hopper Regarding

[0002]

2. Description of the Related Art A fertilizer spreader of the above-mentioned type is usually a towed type fertilizer which is attached to the rear surface of a tractor via a connecting hitch and is pulled by the traveling of the vehicle body of the tractor. The spreader will be described in detail with reference to FIG.
As shown in FIG. 1, a top link hitch 10 is connected to a three-point link hitch provided on the rear surface side of the tractor body.
The left and right lower link hitches 11 are mounted on the front side (left side in the figure) of the frame 1, and a long box-shaped hopper 2 is mounted on the rear side of the frame 1. As shown in FIG. 5, a large number of notched window hole-shaped bottom plate distribution holes 21 formed in the bottom plate 20, and the lower surface side of the bottom plate 20 are slidably overlapped with each other through the guide groove 25 to form the shutter distribution holes 30. A shutter device 3 for opening the ... And a spraying device a composed of an agitator 4 and the like mounted on the bottom plate 20 so as to rotate by a rotation shaft in the left-right direction, and the agitator 4 rotates. A universal joint shaft provided on the front surface of the conductive case 22 via a conductive mechanism inside a conductive case 22 provided on the front surface side of the frame 1 and a conductive mechanism inside a conductive gear box provided on one side of the hopper 2. 3 is installed, and a lid 5 is provided on the opening 2a on the upper surface side of the hopper 2 so as to be openable and closable. The operator operates the operation levers 6 and 6 for turning the shutter plate 3 to open and close the shutter plate 3 later.
The left half side and the right half side are provided in parallel in a pair so that they can be opened and closed separately.

The spraying device a provided at the bottom of the hopper 2 facilitates the work of taking out the fertilizer remaining in the hopper 2 and cleaning the hopper 2 after the fertilizer spraying work is completed. Therefore, as shown in FIG. 3, the bottom plate 20 has its front and rear one side edges rotatably connected to the main body of the hopper 2 by a hinge, and the other side edge thereof.
A large number of closing fittings 24 ... Are provided side by side in parallel, and these closing fittings 24 ... Are closed to the rim of the opening at the bottom of the main body 2b of the hopper 2.

Further, as shown in FIGS. 4 and 5, the means for adjusting the amount of spray from the bottom plate spray holes 21 ... is the opening area of each of the bottom plate spray holes 21 provided in the bottom plate 20 of the hopper 2. On the other hand, the opening area of the spray holes 30 provided in the shutter plate 3 which is slidably superposed on the upper surface of the bottom plate 20 is increased so that the bottom plate spray holes 21 ... I am trying to be able to freely adjust between.

[0005]

DISCLOSURE OF INVENTION Problems to be Solved by the Invention In the conventional spraying device for fertilizer spraying machine constructed as described above, after the spraying work is completed, the bottom plate 20 at the bottom of the hopper 2 and the shutter plate assembled to it. 3, the bottom part of the hopper 2 is opened by rotating it downwards about the hinge center, the remaining fertilizer and the like are taken out and cleaned, and the bottom plate 20 is left and right long when closed again. It is necessary to operate a large number of closing metal fittings 24, and moreover, in order to prevent variations in the amount of spraying from a large number of bottom plate spraying holes 21 arranged in parallel, the relationship with the link mechanism that moves the shutter plate 3 to the left and right. Since it is necessary to accurately align the bottom plates 20 that have been closed so that the positions are correctly aligned, the work of closing the bottom plates 20 is troublesome and troublesome. There is that problem.

Further, a long bearing member for pivotally supporting the bottom plate 20 which is long in the left and right directions is required, and a large number of closing fittings 2 are provided.
Since 4 is required, there is a problem of increasing the manufacturing cost.

[0007] In addition, soybean dust, fish meal, chicken manure, etc., which have poor fluidity, are often used as fertilizers and the like to be spread by this type of fertilizer spreader. It is difficult to do so, and there is a demand that various types of agitators with different forms can be used as needed by changing them.

Further, the bottom plate sprinkling holes 21 provided in the bottom plate 20.
... and the shutter spreading holes 30 provided on the shutter plate 3 ...
However, there is a problem that it is difficult to adjust the amount of spraying by changing the polymerization state of and to adapt to various fertilizers having different properties, such as powdery and granular fertilizers and organic fertilizers.

The present invention has been made in order to solve the above-mentioned problems that have occurred in the conventional means, and the removal and cleaning of residual fertilizer to be carried out after the spraying work of fertilizer and the like is completed by a simple operation. In addition, it is now possible to easily replace various types of agitator when they are prepared.In addition, the amount of spray can be adjusted from powdery or granular fertilizers to organic fertilizers with poor fluidity. It is an object of the present invention to provide a spraying device in a fertilizer sprayer, which can be adapted to different fertilizers.

[0010]

In the means of the present invention, as means for achieving the above-mentioned object, the bottom plate 2 having bottom plate distribution holes 21 ...
0 and shutter plate 3 that slides over it
Etc., the agitator 4 is arranged above the rotating shaft 40 of the agitator 4.
A shaft end portion on one end side of the drive shaft 41 protruding from a transmission gear box GB mounted on one of the left and right sides of the hopper 2 is transmitted / removed via a spline or the like engaging / disengaging engaging portion. It is characterized in that the other end of the rotating shaft 40 is connected to the other side of the hopper 2 and is mounted on a bearing support member 43 that is detachably attached via a bearing. It proposes a spraying device in a fertilizer sprayer.

[0011]

In the means of the present invention configured as described above, the connection conduction to the one end portion of the rotation shaft 40 of the agitator 4 and the drive shaft 41 projecting from the transmission gear box GB provided on one side of the hopper 2 is splined. Alternatively, a bearing support member 43 is formed by a dog clutch type detachable connection, and the other end of the rotary shaft 40 is detachably mounted on the other side of the hopper 2 by the set bolts 42.
Since the bearing support member 43 is pivotally supported, the agitator 4 is pulled out by pulling out the bearing support member 43 from the bottom of the hopper 2 in the left-right direction, so that the agitator 4 is attached to the periphery of the agitator 4, and , Entangled, the fertilizer remaining in the hopper 2 can be easily taken out,
The removal and cleaning of the residual fertilizer in the hopper 2 can be performed easily and appropriately by utilizing the space formed in the hopper 2 by the removal of the agitator 4.

Further, since the agitator 4 can be easily pulled out, when the agitator 4 is made compatible with various types of fertilizers having different properties and various types of shapes are prepared, they can be easily detached and replaced. become able to.

Further, bottom plate distribution holes 21 provided in the bottom plate 20 ...
The relationship between the opening area of the shutter spreading hole 30 and the opening area of the shutter spreading hole 30 ...
When the shutter area A is made smaller and the shutter plates A, B, and C having different shapes of the shutter spreading holes 30 are prepared interchangeably,
As shown in the following table, it can be adapted to the application of fertilizers with different properties. Compatibility table Large amount small amount small amount powdery granular organic shutter A ■ △ ■ ■ △ Shutter B × ■ × ■ × Shutter C ◎ × △ × ■ ○: Suitable ◎: Very suitable △: There is a problem in accuracy and quantity, Usable ×: Not suitable

[0014]

Next, an embodiment will be described in detail with reference to the drawings. In the drawings, the same reference numerals are used for components having the same effects as those of the conventional means.

FIG. 6 is a perspective view of a main part of a spraying device a of a fertilizer sprayer for carrying out the means of the present invention in a state where the agitator 4 is pulled out. In FIG. 6, 2 is a hopper, 20
Is a bottom plate of the bottom of the hopper 2, 4 is an agitator mounted on the bottom of the hopper 2, and 43 is the agitator 4.
2 shows a bearing support member that pivotally supports one shaft end of the rotating shaft 40.

The hopper 2 is formed in a box shape that is long in the left and right, and is mounted on the frame 1 which is connected and mounted to the rear surface of the tractor body via a three-point link hitch, as shown in FIGS. 1 and 2. It is an ordinary one that is hung, and a lid 5 is attached to the opening 2a on the upper surface side thereof so as to be openable and closable.

A spraying device a mounted on the bottom of the hopper 2.
Is a bottom plate 20 having bottom plate sprinkling holes 21 formed therein, a shutter plate 3 slidably attached to the upper surface of the bottom plate 20 so as to have a large number of shutter sprinkling holes 30 ... And an agitator 4 which is axially supported by the hopper 2.

Then, the bottom plate 20 thereof is formed in a gutter shape as shown in FIG. 11, and a mounting flange portion 200 having a narrow width is formed at one side edge thereof, and the mounting flange portion 200 is formed on the bottom portion of the hopper body 2b. It is inserted into the fitting groove provided and locked, and a mounting flange portion 201 is provided on the other side edge, and this is closed by the set bolt 202 to the joining flange portion provided at the bottom of the hopper body 2b. , Attached to the hopper 2.

Further, as shown in the lower half of FIG. 11, the shutter plate 3 is formed in a strip shape that is long in the left and right directions, and has a guide groove 25 provided on the lower surface side of the bottom plate 20.
In addition, a connecting rod 31 that is slidably fitted and assembled so as to overlap with the bottom plate 20 and that is provided on the lower surfaces of the left and right one ends is provided on the outer surface of the hopper 2 so that it can be operated as desired. By connecting via a link mechanism, the bottom plate 20 is superposed on the bottom plate 20 with a desired amount of movement and slides to the left and right.

Further, the agitator 4 has its rotation shaft 4
As shown in FIG. 7, one end side of 0 is formed in a shape corresponding to the cross-sectional shape of the bottom portion of the hopper 2, and protrudes from the transmission gear box GB assembled to one left and right side ends of the bottom portion of the hopper 2. A bearing support member that is fitted and connected to the drive shaft 41, conducts to the conduction mechanism in the transmission gear box GB, and mounts the other end side of the rotary shaft 40 on the other left and right end sides of the bottom of the hopper 2. The shaft 43 is rotatably supported by a bearing so that the shaft 43 is axially mounted on the bottom of the hopper 2 and is driven and rotated by the rotary power transmitted from the body side of the tractor through the universal joint shaft 23.

However, the rotating shaft 40 of the agitator 4
And a drive shaft 41 protruding from the transmission gear box GB
As shown in FIG. 7, the connection with the engaging pins 410, 410 protruding in the radial direction is provided on the peripheral surface of the drive shaft 41.
And a notch 400 that engages with the engaging pins 410, 410 is provided on one shaft end side of the rotary shaft 40, and one shaft end of the rotary shaft 40 is fitted to the outer periphery of the drive shaft 41. Then, the engagement pin 410 and the notch portion 400 are engaged with each other in the rotational direction so that the engagement and disengagement can be done by a dock clutch-like engagement, or as shown in FIG. Splines 411 are provided on the peripheral surface along the axial direction, and on one shaft end side of the rotary shaft 40, a spline 401 fitted to the outer peripheral surface of the drive shaft 41 and fitted to the spline 411. With
The spline 401 and the spline 401 are engaged with each other so as to be engaged and disengaged in the rotational direction.

The other end of the rotary shaft 40 is mounted on a bearing support member 43 via a bearing. The bearing support member 43 is rotatably supported on the other end of the rotary shaft 40. As it is,
The hopper 2 is attached to the hopper main body 2b by tightening the set bolts 42 ...

Then, by pulling out the set bolts 42 and pulling the bearing support member 43 outward in the left-right direction, the shaft end of the rotary shaft 40 of the agitator 4 opposite to the bearing support member 43 and the drive shaft. As shown in FIG. 6, the agitator 4 is disengaged from the hopper 2 while the agitator 4 is still attached to the bearing support member 43 and pivotally supported. It will come out sideways from the bottom of the.

Therefore, in this state, by utilizing the space formed by extracting the agitator 4 inside the bottom of the hopper 2, it is possible to easily take out and clean the residual fertilizer and the like.

After the outer peripheral surface of the agitator 4 has been cleaned, the agitator 4 is inserted into the bottom of the hopper 2, and the bearing support member 43 is attached to the hopper main body 2b.
If you set it with the set bolt 42 ...
The rotating shaft 40 of the agitator 4 is conductively connected to the drive shaft 41, and the drive shaft 41 allows the predetermined work to be performed again.

Next, FIG. 9 shows another embodiment.
In this example, since the agitator 4 can be easily extracted laterally from the bottom of the hopper 2 as described above, the engaging means that engages with the engaging means provided on the drive shaft 41 protruding from the transmission gear box GB. The agitator 4 mounted on the inner end of the rotary shaft 40 is formed with several kinds of agitators 44 provided on the peripheral surface of the rotary shaft 40 so as to have different shapes. This is an example in which the agitator 4 having a shape adapted to the properties of the fertilizer to be sprayed cannot be used by detaching and replacing the bearing support member 43.

Although only two types are shown in FIG. 9 in this example, the engagement formed on the inner end side of the rotary shaft 40 is made to correspond to the engagement means provided on the drive shaft 41. As long as the means are arranged in the same shape, there is no restriction on the shape of the stirring body 44 mounted on the peripheral surface of the rotating shaft 40.
The stirrer 44 may be formed in various kinds having different shapes.

Then, the shutter plate 3 is provided with the shutter spreading holes 30 ... Corresponding to the bottom plate spreading holes 21 ... Opened in the above-mentioned bottom plate 20, and the opening areas of these shutter spreading holes 30. It is set to be narrower than the opening area of the bottom plate distribution holes 21 provided in the bottom plate 20.

That is, the relationship between the opening area of the shutter dispersion holes 30 provided in the shutter plate 3 and the opening area of the bottom plate distribution holes 21 provided in the bottom plate 20 is as follows.
As shown in FIG. 4, the opening area of the shutter distribution holes 30 ... Is set to be larger than the opening area of the bottom plate distribution holes 21.
0 and FIG. 11, the bottom plate 20 is formed by arranging the square hole-shaped bottom plate spreading holes 21 ... With a wide opening area in parallel, and the shutter plate 3 is opened with the opening area.
The shutter spreading holes 30 ... Which are narrower than those of No. 1 are opened in a desired shape.

As shown in FIGS. 12 and 13, the shutter plate 3 for opening the shutter distribution holes 30 ... Has the shutter distribution holes 30 and the bottom plate 2 of the conventional means.
The shutter plate A formed by forming a wedge-shaped window hole in a slit along the width direction of the shutter plate 3 and having the same shape as the bottom plate sprinkling hole 21 opened at 0 and the shutter plate 3 A shutter plate B provided with shutter spreading holes 30 ... Formed in a wedge shape or an egg shape along the longitudinal direction.
And a plurality of types of shutter plate C, such as a shutter plate C having square hole-shaped shutter distribution holes 30 smaller than the square-shaped bottom plate distribution hole 21, are formed, and the bottom plate 20 is replaced at any time.
By slidably assembling on the lower surface of the fertilizer, when spraying fertilizers having different properties, it is possible to adjust the amount of spraying adapted to the properties of the fertilizer.

[0031]

As described above, in the spraying apparatus of the fertilizer spraying machine according to the present invention, the agitator 4 mounted on the bottom of the hopper 2 connects the one end side of the rotary shaft 40 and the drive shaft 41. Rotation shaft 4
The other end side of 0 is a bearing support member 43 that is detachably attached to the side surface of the hopper 2 toward the outside along the left-right direction.
The bearing support member 43 is mounted on the shaft through a bearing.
When the hopper 2 is removed from the side surface of the hopper 2 and pulled out in the left-right direction, the hopper 2 is pulled out in a state of being axially supported by the bearing support member 43. Therefore, the space formed at the bottom of the hopper 2 is utilized. The residual fertilizer in 2 can be easily taken out and cleaned, and the fertilizer etc. adhering to the peripheral surface of the agitator 4 can be easily removed from the hopper 2 outside by cleaning. You will be able to do it.

Since the agitator 4 can be easily attached / detached and replaced, various kinds of agitators 4 having different shapes of the agitator 44 are prepared in advance, and these are adjusted to the properties of the fertilizer to be sprayed. By replacing the fertilizer, it is possible to spread a wide variety of fertilizers, etc. accurately.

Further, bottom plate distribution holes 21 provided in the bottom plate 20 ...
, And the opening area of the shutter spreading holes 30 provided in the shutter plate 3 are set so that the opening area of the bottom plate spreading holes 21 is larger than that in the conventional case. , When the shutter spray holes 30 are formed in various types with different shapes, by selecting and exchanging them, various types of fertilizer, etc. can be controlled to the required spray amount for each type. You will be able to do it accurately.

[Brief description of the drawings]

FIG. 1 is a perspective view of a conventional fertilizer spreader formed in a towed type as seen from the front side.

FIG. 2 is a perspective view of the fertilizer spreader as viewed from the rear side.

FIG. 3 is a perspective view of a main part of the fertilizer spreader in the state where the bottom plate is opened and rotated.

FIG. 4 is a perspective view showing a state where the bottom plate and the shutter plate of the fertilizer spreader are removed.

FIG. 5 is an enlarged perspective view of a part of the above-mentioned bottom plate and shutter plate.

FIG. 6 is a perspective view of a main part of a spraying device of a fertilizer sprayer embodying the present invention with an agitator pulled out.

FIG. 7 is a perspective view of a conductive connection portion of the agitator of the above-mentioned spraying device.

FIG. 8 is a perspective view of another embodiment of the conductive portion of the agitator of the above spraying device.

FIG. 9 is a perspective view of a main part of an embodiment in which various types of agitators of the above spraying device are formed.

FIG. 10 is a perspective view of a bottom plate and a shutter plate of the above spraying device.

FIG. 11 is an enlarged perspective view of a bottom plate and a shutter plate of the same.

FIG. 12 is a perspective view of an example in which various types of shutter plates are formed.

FIG. 13 is an enlarged perspective view of a portion of each shutter plate of the above.

FIG. 14 is an explanatory view of the action of each shutter plate of the above.

[Explanation of symbols]

A / B / C ... Shutter plate, a ... Spreading device, GB ... Conduction gear box, 1 ... Frame, 10 ... Top link hitch, 11 ... Lower link hitch, 2 ... Hopper, 2a ...
Opening port, 2b ... Hopper body, 20 ... Bottom plate, 21 ... Bottom plate distribution hole, 22 ... Conductive case, 23 ... Universal joint shaft, 24 ... Closing metal fitting, 25 ... Guide groove, 20.2
01 ... Mounting collar part, 202 ... Set bolt, 3 ... Shutter plate, 30 ... Shutter distribution hole, 31 ... Connection rod, 4 ... Agitator, 40 ... Rotation shaft, 41 ... Drive shaft, 42 ... Set bolt, 43 ... Bearing support Member, 44 ... Stirrer, 400
... notch hole, 410 ... engaging pin, 401/411 ... spline, 5 ... lid, 6 ... operating lever.

[Procedure amendment]

[Submission date] January 12, 1996

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0021

[Correction method] Change

[Correction contents]

However, the rotating shaft 40 of the agitator 4
And a drive shaft 41 protruding from the transmission gear box GB
As shown in FIG. 7, the connection with the engaging pins 410, 410 protruding in the radial direction is provided on the peripheral surface of the drive shaft 41.
And a notch 400 that engages with the engaging pins 410, 410 is provided on one shaft end side of the rotary shaft 40, and one shaft end of the rotary shaft 40 is fitted to the outer periphery of the drive shaft 41. At this time, the engagement pin 410 and the notch 400 engage with each other in the rotational direction so that the docking clutch-like engagement provides a removable connection or, as shown in FIG. The surface is provided with splines 411 along the axial direction, and the one end of the rotary shaft 40 is provided with a spline that fits with the spline 411 on the inner peripheral surface that fits with the outer peripheral surface of the drive shaft 41. Then, the spline and the spline 411 are engaged with each other in a rotational direction so that the spline can be inserted and removed.

[Procedure amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] 0025

[Correction method] Change

[Correction contents]

After the outer peripheral surface of the agitator 4 has been cleaned, the agitator 4 is inserted into the bottom of the hopper 2, and the bearing support member 43 is attached to the hopper main body 2b.
When it is joined to and fastened with the set bolt 42, the rotary shaft 40 of the agitator 4 is conductively connected to the drive shaft 41, and the drive shaft 41 can perform a predetermined work again.

Claims (3)

[Claims] 1. A bottom plate sprinkling hole 21 at the bottom of the hopper 2.
The agitator 4 is disposed above the bottom plate 20 having the opening, and the shutter plate 3 slidably superposed on the bottom plate 20, and the shaft end portion of one end of the rotary shaft 40 of the agitator 4 is connected to the hopper 2.
To a drive shaft 41 protruding from a transmission gear box GB mounted on one of the left and right sides of the rotary shaft 40.
2. A spraying device in a fertilizer sprayer, wherein a shaft end portion on the other end side of the above is axially mounted on a bearing support member 43 detachably attached to the other side of the hopper 2 via a bearing. 2. The agitator 4 mounted on the bottom of the hopper 2 is formed in various types, each of which has a different shape of an agitator 44 provided on the peripheral surface of the rotary shaft 40.
An engaging portion of the same shape that is detachably connected to the drive shaft 41 is provided on one end side of the above, and the other end side of these rotary shafts 40 are mounted on the bearing support member 43 so as to be interchangeably mounted and mounted. Item 1. A spraying device in the fertilizer sprayer according to Item 1. 3. The opening area of the shutter spreading holes 30 ... Opened in the shutter plate 3 slidably superposed on the bottom plate 20 of the bottom of the hopper 2 is smaller than the opening area of the bottom spreading holes 21 ... opened in the bottom plate 20. By setting it small, the shutter plates 3 ... Are formed into various types of shutter plates A, B, C having different shapes of the shutter spreading holes 30. The shutter plates A, B, C are compatible with the bottom surface of the bottom plate 20. The spreader for a fertilizer spreader according to claim 1, wherein the spreader is freely assembled.