JP2001299030A - Fertilizing pipe installation structure for fertilizing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fertilizing pipe installation structure for a fertilizing device, capable of preventing e.g. foreign matter-hooking on a claw holder fitted with a plowing claw, smoothly performing plowing work and preventing the fertilizing pipe from plugging with or scattering of fertilizer, or the like. SOLUTION: This structure is provided by fitting and fixing a plowing claw 38 through a fixture 3 at a claw holder 5 projectingly set at a claw shaft 36 of horizontal axial rotation, setting the plowing claw 38 which makes furrows on the ground by covering it with a protective cover 44 from upward and downward and fitting a fertilizing pipe 20 at a side of the plowing claw 38 in the fertilizing device 2 for feeding a fertilizer 54 from the fertilizing pipe 20 to the furrows 56 and making a side surface of the claw holder 5 facing the fertilizing pipe 20-side to be a flat and fixture-unprojected surface so as to fit the plowing claw 38 thereto and setting the fertilizing pipe 20 near the claw holder 5 at a site adjacent to the claw shaft 36.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer installation structure for supplying fertilizer from a fertilizer pipe into a tilling groove formed by a tilling nail.

[0002]

2. Description of the Related Art Conventionally, a plowing and fertilizing and seeding apparatus which is mounted on a tractor or the like and forms a plurality of plowing grooves in a field and simultaneously performs fertilization and sowing on the plowing grooves is a claw shaft which rotates horizontally. By inserting a tilling claw for grooving into the claw holder protruding from the side, inserting both bolts from the sides and tightening and fixing, and rotating the cultivating claw covered with a protective cover, the And a fertilizer device for supplying fertilizer from the fertilizer pipe provided in the protective cover to the above-mentioned fertilizer groove, and also cultivating a rear portion of the fertilizer device. It has a configuration in which a sowing device for sowing seeds in the groove is provided.

[0003]

However, in the fertilizing apparatus of the conventional tilling and fertilizing and seeding apparatus having the above-mentioned configuration, the head or nut of the bolt for mounting and fixing the tilling nail to the nail holder of the nail shaft is provided. Since the fertilizer pipe of the claw holder protrudes from the side where the fertilizer pipe is provided, weeds and straw debris that are vegetated or scattered in the field scene (hereinafter referred to as “sandwiches”) are caught or adhered to the bolts during plowing. When it is rotated around, it has a drawback in that it comes into violent contact with the fertilizer application pipe and also causes soil and dust to adhere to the discharge port to cause soil clogging. Further, if the fertilizer pipe is separated from the claw shaft in an attempt to avoid the above-mentioned drawbacks, it becomes difficult to supply the fertilizer to an appropriate position of the tillage groove, and the fertilizer is inadvertently diffused and fertilized. is there.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned conventional problems, a fertilizing pipe installation structure of a fertilizing apparatus according to the present invention comprises firstly a claw holder 5 projecting from a claw shaft 36 which rotates on a horizontal axis. The tilling claw 38 is attached and fixed via the fixture 3, and the cultivating claw 38 is formed on the ground with the protection cover 44 covering the upper side and the side, and the cultivation groove 56 is formed in the ground. In the fertilizer device 2 in which the fertilizing pipe 20 is provided on one side of the tilling claw 38 and the fertilizer 54 is supplied from the fertilizing pipe 20 to the cultivation groove 56, the side surface of the claw holder 5 on the side where the fertilizing pipe 20 is provided, It is characterized in that the tilling claw 38 is mounted in a flat surface shape without protruding the fixture 3, and the fertilizer application pipe 20 is installed near the claw shaft 36 and close to the claw holder 5.

[0005] Second, the tilling claw 38 is rotated upward and plowed, and the discharge port of the fertilizer application pipe 20 is provided below the claw shaft 36 so that the plowing space K formed by the upward rotation of the tilling claw 38 is formed. It is characterized in that the fertilizer 58 is supplied from the fertilizing pipe 20.

[0006]

An embodiment of the present invention will be described with reference to the drawings. 1 and 2, reference numeral 1 denotes a plowing / fertilizing / seeding apparatus provided with a fertilizing apparatus 2 according to the present invention. The plowing / fertilizing / seeding apparatus 1 is connected to a tractor (not shown) via a hitch portion 12 provided at a rear portion thereof. The fertilizer applicator 2 is mounted on a rotary device (partial tillage device) 14 having a tail wheel 22 for adjusting tillage depth, and a fertilizer application unit 2 a provided on a toolbar 15 extending rearward from the rotary device 14. The fertilizer is supplied from the fertilizing pipe 20 into each of the cultivating grooves 56 formed by the cultivating claws 38 of the rotary device 14, and at the rear of the fertilizing device 2, each of the cultivating grooves 56 is formed. And a sowing device 16 for sowing seeds.

The power from the tractor body is supplied to a pawl shaft 36 rotatably supported by a chain in the chain case 34 of the rotary device 14 so as to be rotatable in the horizontal direction in common with each of the 56 rows of the plowing grooves.
And a plurality of (six in the figure) cultivating claws 38 are radially attached at substantially equal intervals in the same rotation plane, and the cultivating claws 38 are moved when the machine body advances. This makes it possible to make multiple rows of grooves on the ground by upward plowing rotation, which is the reverse rotation of the wheel rotation.

[0008] As shown in FIGS.
Is formed such that each tip is alternately turned to the left and right with respect to the rotation surface, and a narrow cultivation groove 56 is excavated in a streak in a field scene at a tip locus width due to the rotation. And the tilling claw 3 in this embodiment.
Numeral 8 is attached and fixed to the claw shaft 36 by a configuration described later, and is covered with a protective cover 44 on the upper side and the side.

Further, the fertilizer application device 2 comprises a rotary device 1
At the top of 4, two fertilizer tanks 18 on the toolbar 15 on the left and right
Is provided, and the fertilizer in the tank 18 is fed out and the cultivation grooves 56
The fertilizer application pipe 20 to be supplied to the fertilizer is configured such that fertilizers 2a are provided on the sides of the tilling claws 38 in the protective cover 44. As shown in FIG. 3, the fertilizer application pipe 20 is penetrated through the protective cover 44 from the side, and is disposed at a position close to the groove side (lower part) at the right side of the tilling claw 38 and at the rear of the claw shaft 36. As shown in FIG. 4A, the fertilizer in the fertilizer tank 18 can be fed out from the discharge port of the fertilizer application pipe 20 to the right bottom portion of the cultivation groove 56 so that the fertilizer can be accurately dropped and supplied.

The sowing apparatus 16 includes a seed tank 24 for storing seeds, a seed pipe 25 for supplying seeds in the tank 24 to a sowing section, a groove cutting blade 26 for forming a sowing groove, and It has a soil covering plate 28 that covers the seeding groove, a pressure-reducing roller 30 that presses the upper part of the covered seeding groove, and a grounding wheel 32 for driving the seeding device 16.

The grounding wheel 32 is connected to the rotary device 14.
, The tractor is driven forward by the tractor, and a pair of left and right disc blades are opposed to the front portion of the ground wheel 32 as shown in FIG. It is provided as possible. The groove cutting blade 26 has a tilling claw 38
In order to form a V-shaped seeding groove 60 on the left side within the groove width of the cultivating groove 56 formed by the above, it is displaced and attached to the rear left side substantially coincident with the traveling direction of the tilling claw 38.

The seed supply unit 4 of the seed tank 24
A belt 40 is wound between the grounding wheel 2 and the grounding wheel 32, and the seed supply unit 42 of the seed tank 24 is driven through the belt 40 to adjust the discharge amount of the seed 58 while controlling the seed pipe 25. , The seeds 58 are dropped and supplied into the seeding grooves 60 formed in the plowing grooves 56 in advance by the groove cutting blades 26, so that the continuous sowing operation can be favorably performed while sowing the seeds. .

[0013] Behind the groove cutting blade 26, the earth covering plate 2 is provided.
8 and a crushing roller 30 are provided. The soil is lightly covered by the earth covering plate 28 on the sown seeds 58, and the soil covered by the plowing groove 56 is lightly compacted by the crushing roller 30 provided at the rear end. Like that. Therefore, the tilling and fertilizer sowing apparatus 1 is configured as described above,
A series of operations such as fertilization and sowing can be efficiently and smoothly performed. When paddy rice is sown in a paddy field, the surface of the paddy is filled with water on the day after the above-mentioned operation to make the paddy field.

Next, a detailed configuration of the fertilizer applicator 2 will be described. The fertilizer applicator 2 is the tilling claw 3 of the rotary device 14
The mounting structure of FIG. 8 is configured as shown in FIG. 3, so that the plowing and fertilizing work can be efficiently and satisfactorily performed without being hindered by soil and the like such as weeds carried by the tilling claws 38. Is what you can do. That is, in the figure, the claw shaft 36 is a plurality of claw holders 5 that are fastened together through the bolts 3 with hexagonal heads in a state where the base of the tilling claw 38 is fitted.
Are radially and integrally protruded in the same rotation plane at substantially equal intervals, and the tilling claw 38 has a mounting hole 3a through which the bolt 3 is inserted through the plate-shaped base side. .

The claw holder 5 has a hexagonal stop hole for engaging and fitting the head of the bolt 3 into the protective cover 44 on the side where the fertilizer application pipe 20 is located without greatly projecting the head of the bolt 3 toward the fertilizer application pipe 20. 5a, and a through hole 5b for a bolt screw portion is formed on the other opposite side. Therefore, as shown in the illustrated example, the tilling claw 3 is placed in the claw holder 5.
8, the bolt 3 is inserted from both sides, and the nut 3b is tightened. When the head of the bolt 3 is embedded in the stopper hole 5a of the claw holder 5, it does not protrude greatly from the side. The mounting and fixing of the tilling claw 38 can be stably performed, and the side surface of the fertilizer application pipe 20 of the claw holder 5 can be made flat (flat). Is what you can do.

The tilling claw 38 covers a side plate 46 covering both right and left side surfaces and a protective cover 44 having an arc-shaped top plate 48 covering the top surface in a state of being close to each other. By opening the side opposite to the side close to the ground, the cultivated soil tilled by the upward groove rotation (arrow) of the tilling claw 38 is protected by the protective cover 44.
When flipped up from above in the inside, the inside of the protective cover 44 was smoothly carried out while preventing external scattering, and the cultivated soil was subjected to the groove formation and fertilization shown in FIG. 4 (A). Return to the plowing groove 56 in the state while crushing the soil.
As shown in (B), it can be backfilled in the shape of an embankment.

At this time, weeds and straw debris on the surface of the field are picked up while shredding along with the rotation of the tilling claw 38, and the protection cover 4
Without being clogged in 4, it is smoothly rotated with the tilled soil and discharged backward to be backfilled. The protective cover 44 is attached to the rear end of the top plate 48 by a spatula-shaped leveler 4.
9 is urged downward while rotatably supporting 9, and this spatula-shaped leveler 49 removes the soil of the cultivated groove 56, which has been embanked as described above, as shown in FIG. As shown in FIG.

In such a configuration, the rotary device 1
4 prevents the contaminant on the side of the claw holder 5 where the fertilizer pipe 20 is installed from rotating, so that the fertilizer pipe 20 is inserted into the tilling claw 38 through the insertion hole 46 a opened in the side plate 46 of the protective cover 44. The protrusion is projected obliquely downward toward one side, and the discharge port at the lower end thereof is disposed close to the claw holder 5 below the claw shaft 36. As a result, the fertilizer 54 is accurately discharged from the discharge port of the fertilizing pipe 20 toward the space K for plowing during cultivation, which will be described later, and supplied in a streak form without being diffused to the bottom of the cultivation groove 56. Is what you can do.

Plowing and fertilizing and sowing apparatus 1 configured as described above
When the plowing and fertilizing and sowing apparatus 1 is driven while the machine body is running, the plurality of plowing claws 38 attached to the claw shaft 36 rotate to form the narrow plowing groove 56, and at the same time, the plowing is performed. As shown in FIG. 4A, the fertilizer 54 is supplied from the fertilizer pipe 20 to the starting space K, and
Is buried back into the cultivated groove 56 to which the fertilizer is applied in a streak shape as shown in FIG. (B), and is then embanked by a spatula-shaped leveler 49 as shown in FIG. (C). Tillage ditch 5
The soil of No. 6 is flattened.

As shown in FIG. 2D, the groove cutting blade 26 is disposed on the other surface of the leveled tillage groove 56 on the fertilizer application side.
Forms a split groove seeding groove 60 with a V-shaped cross section,
Seeds 58 are dropped and supplied by a predetermined amount from the seeding pipe 25 into the seeding groove 60, and then the soil covering plate 28 covers the seeding groove 60. Then, as shown in FIG.
Performs sowing leveling by compacting the soil cover,
A series of operations such as grooving, fertilization, and sowing can be efficiently and smoothly performed.

Further, by performing the work as described above,
In the cultivation groove 56, the seeds 58 layers sowed from the fertilizer 54 layers are separated from the fertilizers 54 layers fertilized by being biased to one side of the bottom while being separated via the backfilled tilling soil layer. And the two are separated as much as possible in the tillage groove 56, so that the fertilizer 54
It is possible to appropriately prevent troubles such as fertilizer failure in the early stage of germination of seeds with simple means without affecting by contacting with seeds, and to improve the fertilizer application effect in the growth period accurately. .

In the rotary device 14, when the tilling claw 38 is attached and fixed to the claw holder 5, the head of the bolt 3 and nuts protrude greatly from the side surface of the claw holder 5 on the side where the fertilizing pipe 20 is located. Since the tilling claw 38 is attached so as to have a flat surface without any trouble, the tilling work which prevents the trapping and adhesion of the contaminant in this part is performed smoothly, and the tilling claw is carried around by the rotation of the contaminant. Fertilizer pipe 2
Troubles such as damage to 0 and clogging are well prevented. Thus, even if the fertilizer pipe 20 is brought close to the claw holder 5 below the claw shaft 36 with the outlet of the fertilizer pipe 20 separated from the ground surface, the fertilizer 54 released from the fertilizer pipe 20 is pinched as in the conventional case. Since the fertilizers 54 are not sprung and diffused by the foreign matters, the fertilizer 54 can be accurately supplied into the cultivation grooves 56, and the discharge outlets may contact the ground or the backfilled soil, causing clogging. Absent.

The fertilizer 54 is supplied from the fertilizer pipe 20 into the cultivation groove 56 by the cultivation claw 38 almost directly below the claw shaft 36 when the cultivation claw 38 plows the ground by the upward plowing rotation. Since the water is released toward the plowing space part K partially formed by excavation of the soil, it is not hindered by the mid-plowed soil or the backfilled soil immediately before and after immediately below the claw shaft 36,
As shown in FIGS. 1 and 3, there is an advantage that fertilizer can be accurately applied to a predetermined position at the bottom of the plowing groove 56 via the plowing space portion K.

In the illustrated example, the embodiment in which the fertilizer applicator 2 is used for the plowing and fertilizing and sowing apparatus 1 for simultaneously performing the fertilizing, fertilizing, and sowing has been described. As shown in FIG. 5, the rotary device 14 pivots the claw shaft 36 with the tilling claw 38 attached to the left chain case 34 and the right support frame 34a. To the claw shaft mounting portions 9 and 9a, and a cultivating claw 38 is fixedly mounted on the claw shaft 36 with a symmetrical position and a claw mounting direction from the center of the claw shaft 36. In this case, in this case, the cultivating claw 38 is turned upside down from the groove forming state by the tilling claw 38 by the above-described upward groove forming rotation shown in FIG. Must be in the upside down position. Can be, is capable of performing plowing operation by the downward operation groove rotated efficiently simply by reversely rotating the gripper shaft 36.

[0025]

According to the present invention, the following effects can be obtained by adopting the fertilizing pipe installation structure of the fertilizing apparatus as described above. On the side where the fertilizer application pipe is located, the side of the claw holder is flat and the tilling claw is attached, and the fertilizer application pipe is provided below the claw shaft and close to the claw holder. It is possible to prevent the objects from being caught or the like and smoothly perform the tillage work, and also to prevent the fertilizer application pipes from being clogged due to the carry-over of the foreign objects and the splashing and spreading of the fertilizer.

Further, the supply of fertilizer from the fertilizer application pipe into the tillage groove is directed to a plowing space formed substantially immediately below the claw axis when the tillage claw cultivates the ground by upward tillage rotation. By releasing the fertilizer, the fertilizer can be applied to the bottom of the plow.

[Brief description of the drawings]

FIG. 1 is a side view showing a configuration of a plowing / fertilizing / fertilizing / seeding apparatus provided with a fertilizing apparatus of the present invention.

FIG. 2 is a plan view showing a main part of FIG. 1;

FIG. 3A is a rear view showing a configuration of a main part of the fertilizer application apparatus.
(B) is sectional drawing which shows the mounting structure of a tilling nail.

FIG. 4 is a sectional view showing each working state of the plowing groove,
(A) is a tillage and fertilization work diagram. (B) is a soil covering work diagram.
(C) is a leveling work diagram. (D) is a drawing diagram of a working groove seeding operation. (E)
Is a suppression work diagram.

FIG. 5 is a plan sectional view showing a mounting structure of a claw shaft of the rotary device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tillage fertilizer application seeding device 2 Fertilizer application device 3 Bolt 5 Claw holder 14 Rotary device 20 Fertilizer application pipe 36 Claw shaft 38 Tilling claw 44 Protective cover 54 Fertilizer 56 Tilling groove

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2B033 AA04 AB01 AB11 AC05 AC07 BA02 BB08 BC01 DB02 2B034 AA09 BB02 BC06 JA08 JA14 JB01 JB02 2B052 BA03 BA04 BA05 BC05 BC10 BC13 BC14 CA09 EC02 ED09

Claims (2)

[Claims] 1. A tilling claw 38 is mounted and fixed to a claw holder 5 protruding from a claw shaft 36 which rotates in a horizontal axis via a fixture 3, and the cultivating claw 38 is covered with a protective cover 44 on the upper side and the side. The cultivation groove 56 is formed on the ground in a state where the
A fertilizer pipe 20 is provided on one side of a tilling claw 38 in the inside, and in the fertilizer apparatus 2 that supplies the fertilizer 54 from the fertilizer pipe 20 to the cultivation groove 56, a side surface of the claw holder 5 on a side where the fertilizer pipe 20 is provided. The fertilizer application pipe installation structure of the fertilizer applicator, in which the tilling claw 38 is mounted in a flat surface shape without protruding the fixture 3 and the fertilizer application pipe 20 is installed near the claw shaft 36 and close to the claw holder 5. 2. The tilling claw 38 is turned upward and tilled, and an outlet of the fertilizer application pipe 20 is provided below the claw shaft 36.
The fertilizer (58) is supplied from the fertilizer pipe (20) to the plowing space (K) formed by upward rotation of the tilling claw (38).
The fertilizer application pipe installation structure of the fertilizer device according to the description.