JP2780878B2 - Deep fertilizer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[Object of the invention]

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deep fertilizer applying fertilizer such as organic fertilizer to a deep part near a cultivator while tilling arable soil.

[0003]

2. Description of the Related Art Conventionally, as this type of fertilizer application apparatus, for example, as disclosed in Japanese Patent Application Laid-Open Nos. 56-102709 and 1-296912, a tilling rotary is rotatably mounted on a machine frame. A fertilizer conduit for applying fertilizer to a predetermined depth position is fixed to the machine frame at the rear portion of the tillage rotary, and a feed outlet is opened at a lower end portion of the fertilizer conduit to provide the machine frame. A fertilizer hopper is fixed to an upper part of the fertilizer hopper, and the other end of a fertilizer hose having one end connected to a fertilizer feeding part at a lower end of the fertilizer hopper is connected to an upper end of the fertilizer conduit. ing.

[0004]

In the configurations described in the above publications, the fertilizer supplied from the fertilizer hose of the fertilizer hopper to the fertilizer conduit is naturally dropped from the upper part of the fertilizer conduit to the outlet at the lower end. And, fertilizer is to be fertilized in the cultivated soil from the outlet, but at this time, if the fertilizer has a little moisture, the fertilizer may not fall naturally and may be clogged in the fertilizer conduit. There may be a lack of certainty to continuously dispense fertilizer, and since the outlet of the fertilizer conduit is open at the lower end of the fertilizer conduit, soft soil adheres to this outlet and the outlet is clogged with soil. However, there is a problem that the fertilizer may not be fed from the outlet.

In view of the above, the present invention has been made in view of the above-mentioned circumstances, and the fertilizer supplied to the fertilizing conduit is surely directed toward the feeding port without clogging the fertilizing conduit.
It is an object of the present invention to provide a deep fertilizer that can be continuously drawn out and that can reliably apply fertilizer to a deep portion from the spout without clogging the spout.

[Configuration of the Invention]

[0007]

SUMMARY OF THE INVENTION A deep fertilizer applicator of the present invention is provided with a machine frame, a tilling rotary rotatably provided on the machine frame, and a cultivating rotary provided on the machine frame behind the tilling rotary. A fertilizer device for applying fertilizer to a deep portion close to a cultivator, and a fertilizer hopper provided on the machine frame and supplying fertilizer to the fertilizer device, wherein the fertilizer device is vertically moved by the machine frame.
The fertilizer hopper is fixed at the top end
Opening to introduce fertilizer fed from the feeding section
The lower end is located in the deeper part and the lower end
A sliding surface curved in an arc toward the rear is formed on the front side of the
And vertical fertilization conduit having an open feeding port for feeding the fertilizer rear side in the traveling direction as well as formed, on the fertilization conduit
Vertical rotation supported rotatably by bearings in the end
And the rolling axis, the upper rotatably provided along the said fertilizer conduit
It said electrically from the fertilizer hopper and secure the ends to the rotary shaft
Up and down direction to feed the fertilizer supplied to the inlet to the outlet
And the screw, and has a drive source for rotationally driving the rotary shaft is provided on the machine frame.

[0008]

In the deep fertilizer applying apparatus of the present invention, the cultivation soil is sequentially tilled by the tilling rotary by rotating the tilling rotary while moving the machine frame forward.

Further, when the tillage rotary is driven to rotate, and the drive source of the fertilizer is operated to rotate the screw with the rotation shaft , the screw is rotated in the direction in which the fertilizer is fed, and the screw is used to feed the fertilizer hopper. The fertilizer introduced into the inlet from the feeding portion of the fertilizer and supplied into the fertilizing conduit is sequentially and forcibly and continuously fed toward the feeding outlet, and the fertilizer is cultivated from the feeding outlet. Fertilizer is applied to the deep part close to the board.

[0010] When fertilizing the deep part,
Since the lower end of the fertilizer application conduit is open at the rear side in the direction of travel, soil is not introduced into the feed outlet due to forced feeding of fertilizer by the screw, and the feed outlet is not clogged. fertilizer is fertilizer been issued securely therein from the exit
You. In addition, the fertilizer application conduit is located on the front side of the
It has a sliding surface curved in an arc toward
The fertilizing conduit is tilled in advance by the tilling rotary on the sliding surface.
Low resistance and smoothness coupled with traveling through the soil
Ru is traveling to.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the present invention will be described below with reference to the accompanying drawings.

1 to 3, reference numeral 1 denotes a machine frame. The machine frame 1 has a main frame 2 which is long in the left-right direction. Opposite ends of a chain case 3 and a bracket 4 are provided at both ends of the main frame 2. The tilling shaft 6 of the tilling rotary 5 is rotatably suspended between the chain case 3 and the lower end of the bracket 4. The tillage rotary 5 is configured by radially projecting a large number of tillage claws 7 in the axial direction of the tillage shaft 6. A side frame 8 is fixed to the middle part of the inner part of the chain case 3 and the bracket 4 so as to face each other. A cover body 9 covering the upper part of the tilling rotary 5 is provided on the left and right side frames 8. Is fixed.

A transmission 10 is provided at a substantially intermediate portion of the main frame 2, and an input shaft 11 of the transmission 10 is rotatably protruded forward, and an output from the transmission 10 causes the chain case 10 to rotate. The tilling rotary 5 is driven to rotate via an interlocking medium including a chain in 3. Further, lower arms 12 project forward from the left and right portions of the main frame 2, and lower pins 13 project from distal ends of the left and right lower arms 12, respectively. Further, a mast 14 protrudes from the upper portion of the mission 10 toward the front, and a connection hole 15 is formed at a tip end of the mast 14, and the mast 14 and the left and right lower arms 12 are connected by a stay 16. ing.

[0014] In addition, 17 in the fertilizer equipment, the fertilizer unit 17
Has a support frame 18 fixed horizontally in the vicinity of the rear ends of the left and right side frames 8, and a plurality of pipe-shaped mounting brackets at predetermined intervals in the left-right direction of the support frame 18.
19 is fixed, the upper end portion of the long hollow fertilization conduit 20 in the vertical direction is positioned adjustably secured to the vertical direction respectively by bolts 21 to the respective mounting bracket 19. Each of these fertilizer conduits 20
As shown in FIGS. 1 and 3, along with being Repetitive outlet 22 is opened port to the rear side in the traveling direction of the lower end, how the rear in the front side in the traveling direction of the lower end portion of each fertilization conduit 20 It is the sliding surface 23 which is curved in a circular arc <br/> shape toward the formed. The lower ends of the respective fertilizer conduit 20 is adapted to be placed deep inside near the tilling machine.

Further, having the respective fertilizer conduit 20 <br/> hollow connecting conduit 24 that is freely fitted removably a large annular fitting portion 25 formed on the lower end to the upper end, the Fitting part 25 of each connection conduit 24
Are fixed to the upper end of each fertilizing conduit 20 with bolts 26. An introduction port 27 is formed in a substantially middle portion of one side of each of the connection conduits 24 so as to open, and a bearing body 28 is vertically arranged in a hollow portion at an upper end portion of each of the connection conduits 24.
There are fixed respectively, this is in each bearing member 28 vertically times <br/> rotating shaft 29 is rotatably supported lifting respectively, the rotary shafts 29
At the lower end of the tubing, it is installed rotatably along
Upper ends of the girder screws 30 are fixed respectively .
Each screw 30 is formed to have a length from the upper end to the vicinity of the lower end of each fertilizing conduit 20, and is rotatably inserted into each fertilizing conduit 20.

A pulley 32 having upper and lower annular grooves 31 is fixed to the upper end of each rotary shaft 29.
Are rotatably linked to each other by a belt 33 suspended between upper and lower annular grooves 31 adjacent to each other in the left-right direction. Further, a column 34 is integrally erected at one end of the support frame 18, and a horizontal pedestal 35 is fixed to the column 34 with a bolt 36 so as to be adjustable in the vertical direction. A motor 37 as a source is fixed, and a rotating shaft 38 of the motor 37 is fixed.
The pulley 32 at the one end is connected to the other. Then, the connection conduit 24, the rotating shaft 29, the screw 30, the pulley
A unit 39 of the fertilizer 17 is configured to be detachably connected to the fertilizer conduit 20 by a motor 32 and an electric motor 37.

Next, columns 40 are vertically provided on the left and right portions of the main frame 2, and the rear side of the connection frame 41 fixed horizontally between the upper ends of the left and right columns 40 is provided with: A plurality of sets of connecting pieces 42 corresponding to the number of the fertilizing conduits 20 as a pair in the left and right direction are respectively protruded parallel to each other, and a fertilizer hopper 43 is provided between the connecting pieces 42 of each set. It is detachably connected and supported.

In each of the fertilizer hoppers 43, a feeding section 44 formed by reducing the diameter at the lower end thereof is disposed at the same level, and a common rotating shaft 45 is provided in each of the feeding sections 44. The rotating shaft 45 is rotatably supported by bearings 46 attached to both ends of the connecting frame 41.
Further, in each of the feeding portions 44, a feeding roller 47 is fixed to the rotating shaft 45 in each portion, and one end of a fertilizer hose 48 is connected to the lower end of each feeding portion 44, and The other end of each fertilizer hose 48 is connected to the inlet 27 of the connection conduit 24 of each fertilizer 17.

Furthermore, the connecting plate 49 to one end of the connecting frame 41 is fixed integrally, this is the connecting plate 49 motor 50 is fixed, one end of the rotary shaft 45 to the rotary shaft 51 of the motor 50 is It is fixed. In the figure, 52 is a rubber auxiliary cover fixed to the support frame 18, and 53 is the left and right side frames 18.
It is a plate-shaped grounded body that is axially mounted between the rear ends.

Next, the operation of the above embodiment will be described.

The left and right lower pins 13 and the connection holes 15 are connected to the three-point link mechanism of the tractor, and the input shaft 11 is connected to the PTO shaft of the tractor via a power transmission shaft. Then, while pulling the machine by the tractor, the input shaft 11 is rotated by the output from the PTO shaft,
When the tilling rotary 5 is rotationally driven by the output from the mission 10 via the interlocking medium, the cultivated soil in the field is sequentially tilled by the rotation progress of the tilling rotary 5.

The tilling rotary 5 is driven to rotate, and the motors 37 and 50 are operated. And electric motor
The rotation of the rotation shaft 51 of 50 causes the rotation shaft 45 common to each fertilizer hopper 43 to rotate, and the rotation of each feed roller 47 of the rotation shaft 45 causes the organic fertilizer to be stored in the respective fertilizer hopper 43, etc. Of each fertilizer
The fertilizers are sequentially fed from 44, and the fertilizer is sequentially supplied into the respective connection conduits 24 from the inlets 27 of the respective connection conduits 24 via the respective fertilizer hoses 48.

The rotation of the rotary shaft 38 of the electric motor 37 rotates the pulley 32 at one end, and the pulley 32
Each pulley 32 reaching the other end by the output from is sequentially rotated via each belt 33 which is linked to each other, and the rotation shaft 29 of each pulley 32 is rotated, and each screw 30 removes fertilizer. It is rotated in the direction in which it is fed toward the outlet 22. Then, by the rotation of each screw 30, the fertilizer sequentially supplied into each connection conduit 24,
From each connection conduit 24, it is forcibly fed out sequentially into each fertilization conduit 20, and it is forcibly fed out sequentially to the discharge outlet 22 of each fertilization conduit 20, and each of the discharge outlets 22 The fertilizer is applied to the deep part close to the cultivator in order.

In this case, each fertilizing conduit 20 is connected to the tilling rotary 5
As it progresses through the soil that has been plowed in advance and softened,
There is no great resistance like that traveling in uncultivated soil. In addition, a feeding outlet 22 is provided on the rear side in the traveling direction of the lower end of each fertilizing conduit 20.
Is opened, so that the fertilizer is forcibly fed out toward the feed-out port 22 by each screw 30, so that the soil does not enter into each feed-out port 22 and clogging is prevented. Fertilizer is reliably fed from the feeding port 22.

Next, in the above embodiment, an inlet 27 is formed at one side of the connecting conduit 24 in the fertilizer 17 and fertilizer is supplied into the connecting conduit 24 from the inlet 27 at this one side. Although the case has been described, the present invention is not limited to this. For example, as shown in FIG.
b may be formed, and fertilizer may be supplied into the connection conduit 24 from the inlets 27a and 27b on both sides. In this case, the feeder 44 formed at the lower end of the fertilizer hopper 43
The two feeding rollers 47a and 47b are provided so as to be arranged and fixed in the axial direction of the rotary shaft 45, and the two feeding rollers 47a and 47b are provided.
The outlets 44a, 44b are formed on both sides of the lower end of the feeding section 44 so as to face each of the outlets 44a, 44b.
And one end of each of the fertilizer hoses 48a, 48b is connected to the other end of each of the fertilizer hoses 48a, 48b.
a and 27b are connected to each other.

With this configuration, the amount of fertilizer fed from the fertilizer hopper 43 into the connecting conduit 24 is doubled, and therefore, the fertilizer is forcibly fed from the outlet 22 of the fertilizing conduit 20 by the screw 30. Fertilizer application is doubled.

Further, in each of the above-described embodiments, the case where one kind of fertilizer is mainly stored in the fertilizer hopper 43 and fed out from the outlet 22 of the fertilizing conduit 20 is described. Fertilizer may be mixed and fed out from the outlet 22 of the fertilizing conduit 20. In this case, for example, as shown in FIG. 5, the inside of the fertilizer hopper 43 is partitioned by a partition plate 54 at an intermediate portion, and the lower ends of the storage portions 43a and 43b on both sides partitioned by the partition plate 54. The two feeding rollers 47a and 47
b are fixed in parallel in the axial direction of the rotary shaft 45, and fertilizer hoses are respectively connected to outlets 44a, 44b formed at both lower ends on opposite sides of the two feed rollers 47a, 47b.
The other ends of the fertilizer hoses 48a and 48b are connected to the inlets 27a and 27b on both sides of the connection conduit 24, respectively.

With this configuration, two types of fertilizers are forcibly fed out by the screw 30 by storing different types of fertilizers in the storage portions 43a and 43b on both sides of the fertilizer hopper 43. Mixed fertilizer conduit
It can be fed out from 20 feeding outlets 22.

[0029]

According to the present invention, therein from the feeding portion of the fertilizer hopper vertically fertilization conduit having an outlet Repetitive the lower end
Ri issued fertilizer supplied rotatably mounted at the rotating shaft of the screw be led toward the feeding opening, the times
By rotating the rotation shaft by the drive source, reliably fertilizer supplied from the inlet into the fertilization conduit <br/> towards the outlet Repetitive without clogging at a screw in the fertilization conduit, and ,
It can be derived continuously. In addition, the outlet was opened on the rear side in the direction of travel of the lower end of the fertilizer conduit,
Combined with the forcible derivation of fertilizer by the screw, soil can not be clogged in the outlet and fertilizer can be reliably applied to the deep part from the outlet. Also, in front of the direction of travel of the lower end of the fertilizer application conduit
Forming a sliding surface curved in an arc toward the rear on the side
The fertilizing conduit was tilled in advance with the tilling rotary
Forward along with the bottom of the soil
Resistance is lower than that with a protruding tip
It can proceed smoothly without. Furthermore, by storing different fertilizers in the fertilizer hopper, these different types of fertilizers can be reliably mixed while being drawn out toward the outlet by a screw in the fertilizing conduit, and can be fed from the outlet to a deep portion. . In addition, fertilizer application pipes
The fertilizer conduit is fixed by adjusting the position
In a field or a situation where the depth differs for each type of crop
Adjust the vertical movement in accordance with the
It can be securely placed in the predetermined position of the layer part,
Fertilizer can be effectively applied from the exit. Therefore,
It is possible to provide a deep fertilizer application apparatus having a simple configuration and excellent workability.

[Brief description of the drawings]

FIG. 1 is a side view of a deep fertilizer application apparatus according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along line a-a of FIG.

FIG. 3 is a cross-sectional view of the fertilizer application device.

FIG. 4 is a side view of a fertilizer application apparatus according to another embodiment.

FIG. 5 is a side view of a fertilizer application apparatus according to still another embodiment.

[Explanation of symbols]

Reference Signs List 1 machine frame 5 tillage rotary 17 fertilizer application device 20 fertilizer application pipe 22 feeding outlet 23 sliding surface 27 inlet 28 bearing body 29 rotating shaft 30 screw 37 drive source 43 fertilizer hopper 44 feeding section

Claims (1)

(57) [Claims] 1. A machine frame, a tilling rotary rotatably provided on the machine frame, and a tilling rotary located behind the cultivating rotary.
The fertilizer is provided on the machine frame and fertilizes a deep portion close to a cultivator, and a fertilizer hopper is provided on the machine frame and supplies fertilizer to the fertilizer device.The fertilizer device includes: the upper portion being positioned adjustably fixed in a vertical direction
Introduce fertilizer fed from the feeding section of the fertilizer hopper
The open lower end of the inlet for is located in the deep layer portion and the
At the lower end, a bay is formed in an arc shape toward the rear on the front side in the traveling direction.
Form a curved sliding surface and add fertilizer to the rear side in the traveling direction.
A fertilizer application conduit with an opening for feeding the material and an up-and-down direction, and a rotatable support inside the upper end of the fertilizer application conduit with a bearing
The upper and lower direction of the rotation axis, the fertilization along the conduit rotatably disposed before the upper portion
A vertical screw fixed to the rotating shaft and leading the fertilizer supplied to the introduction port from the fertilizer hopper to the feeding port; and a vertical screw provided on the machine frame. A deep-water fertilizer device, comprising : a driving source that rotationally drives the fertilizer.