JP2562913Y2 - Fertilizer distribution device for fertilizer - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer suitable for fertilizer application such as liquid or fluid.
In particular, the fertilizer is applied to the slopes (in the soil) of the ridge while running between the ridges.

[0002]

2. Description of the Related Art Conventionally, there is Japanese Utility Model Application No. Hei 4-13548 filed by the present applicant as a fertilizer distribution device for a fertilizer.

[0003]

However, the above-mentioned fertilizer distributing apparatus raises and lowers the fertilizer application nozzles provided on the left and right sides of the body by the crank mechanism while traveling between the ridges, and constantly alternately left and right into the soil. Because the fertilizer was injected by piercing, when the gap between the ridges was wide, one of the fertilizing nozzles was far away from the ridges. However, there was a problem that fertilization to the soil intended for the intended purpose could not be performed.

[0004]

According to the present invention, in order to solve the above-mentioned problems, a distributor 6 for feeding a fertilizer fed from a fertilizer tank 4b by a fertilizer pump 5 separately for each of a plurality of fertilizing nozzles 5a. And a distributing unit comprising a distributing unit 6 composed of a cylindrical distributing cylinder 6b, a receiving member 8 concentrically fitted to the distributing cylinder 6b, and a plurality of fertilizers taken out of the distributing part. In a fertilizer applicator in which a collecting part to be supplied to the fertilizing nozzle 5a and a collecting part to return fertilizer other than the one to be supplied to the fertilizing nozzle 5a to the fertilizer tank 4b are integrally formed, the two collecting parts are integrally formed outside the casing 9. An outer shell member 9a forming a shell and a cylindrical collecting member 9b disposed on the inner surface thereof
And an annular outer passage 6d for supplying fertilizer to the fertilizing nozzle 5a and an annular passage 6d 'for returning to the fertilizer tank 4b are formed adjacent to each other between the outer shell member 9a and the collecting member 9b. At the same time, an axial hole 9d communicating with the plurality of through-holes 8c is provided in the collective member 9b for each jump in the through-hole 8c. A radial hole 9f for communication is provided to distribute the fertilizer, and a passage 6e is formed between predetermined portions of the adjacent annular passages 6d and 6d 'so as to be able to communicate with each other. When opening / closing means is provided, when the passage 6e is closed by the opening / closing means, fertilizer is supplied to each fertilizing nozzle 5a.
It is a fertilizer distribution device of the fertilizer configured to return the fertilizer to the fertilizer tank 4b when opened.

[0005]

The distribution cylinder 6b is connected to the fertilizer tank 4b by the fertilizer pump 5
The fertilizer supplied by the above is received at the supply port A, and rotates while continuously discharging it from the distribution hole 6c opened on the outer periphery. The released fertilizer flows into a plurality of receiving openings 8b defined by adjacent partition walls 8a, 8a, and from there through holes 8a.
Through c, they flow alternately into the axial holes 9d and the radial holes 9f 'formed in the collecting member 9b. This axial bore 9d leads through the radial bores 9f, 9f to two annular passages 6d, 6d leading to the left and right fertilizing nozzles 5a, so that the fertilizer flows accordingly to one of the two ports.
Also, the radial holes 9f 'lead to an annular passage 6d' leading to the fertilizer tank 4b, so that the fertilizer flows to the port C accordingly. Then, a passage 6e communicably provided between predetermined positions of the annular passages 6d, 6d for supplying fertilizer to the fertilizer application nozzle 5a and the annular passage 6d 'returning to the fertilizer tank 4b.
When the fertilizer passes through the passage 6e, the supply of fertilizer to the fertilizer nozzle 5a is stopped,
When returning the fertilizer to the fertilizer tank 4b and performing normal fertilization work, the passage 6e is closed by the opening / closing means 6f to use each of the annular passages 6d and 6d independently.
Fertilizer can be discharged alternately from the left and right fertilizing nozzles 5a.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. In FIG. 1, the self-propelled fertilizer applicator 1 has a fertilizer applicator frame 1a, and the fertilizer applicator frame 1a is supported by a front gauge wheel 2 and a rear drive wheel 3.
That is, the fertilizer applicator frame 1a includes a front and rear frame 1b that supports the gauge wheel 2 at the front end, a transmission case 3a that supports the drive wheel 3, and an engine support frame 4a that supports the engine 4.

The front and rear frame 1b includes a horizontal portion extending in the front and rear direction and a vertical portion extending upward at a right angle from the front end thereof. The horizontal portion supports a fertilizer pump 5 composed of four individual pumps. A distributor 6 for distributing the fertilizer sent from the fertilizer pump 5 to the left and right fertilizing nozzles 5a is supported, and the engine 4, the fertilizer pump 5 and the distributor 6 are arranged in a triangle.

The transmission case 3a extends obliquely rearward and upward from the lower end supporting the drive wheels 3, supports the steering handle 3b at the upper end thereof, and is formed of an iron plate having an L-shaped cross section at the front as described above. The engine is supported on the two engine support frames 4a. Above this engine 4, a fertilizer tank 4b
The fuel tank 4c is fixed to the front lower end of the fertilizer tank 4b.

The power for feeding the fertilizer by the fertilizer pump 5 and the distributor 6 and for raising and lowering the fertilizing nozzle 5a is transmitted as follows. That is, the rotation of the engine 4 is V
The power is transmitted to the transmission case 3a and the first intermediate shaft 7b by the belts 7a, 7a. The rotation of the first intermediate shaft 7b is transmitted to the lower fertilizer pump 5 and the upper second intermediate shaft 7c via a chain. The rotation of the second intermediate shaft 7c is similarly transmitted to the third intermediate shaft 7d by a chain, from which the distribution cylinder 6b of the distributor 6 is driven. Fertilizer application frame 1
The fertilizer application nozzle 5a provided in the shape of a letter C in front of a moves circularly by two upper and lower crank arms 1c supported by the fertilizer frame 1a. That is, when the vehicle descends, it enters the soil, moves backward as the aircraft advances, and performs fertilization, and then repeats the process of ascending, leaving the soil, and returning to the front.

Next, a feeding means for feeding the fertilizer stored in the fertilizer tank 4b to the fertilizing nozzle 5a will be described. The fertilizer tank 4b is connected to the suction side of the fertilizer pump 5 by a thick pipe 5b connected to the lower surface. Fertilizer pump 4b
Is an assembly in which four individual pumps are integrally assembled in one case, and four discharge paths discharged from the four individual pumps are led to the discharge side thereof and connected to the switching valve 5c. The switching valve 5c controls the amount of fertilizer sent from the fertilizer pump 4b, and is connected to a feed pipe 5d for feeding the fertilizer to the distributor 6 and a return pipe 5e for returning the fertilizer to the fertilizer tank 4b. Have been. The fertilizer sent to the distributor 6 is supplied to the fertilizer nozzle 5a by two feed pipes 5f on the left and right, and the surplus is fed to the fertilizer tank 4b via the reflux pipe 5h and the return pipe 5e. 5j is the switching valve 5
The individual pump switched to the fertilizer tank 4b by the switching lever 5j is substantially in a rest state, and the supply amount of the fertilizer is reduced by the amount of the pump.

Next, the distributor 6 which is an important device of the present invention will be described. The distributor 6 includes a distributor and a collector. This distributing section has a cylindrical distributing cylinder 6b pivotally supported inside a cylindrical casing 9 and a receiving member 8 arranged outside thereof. One end of the distribution cylinder 6b is rotatably supported inside the casing 9 and is rotated by the engine 4. At the same time, the fertilizer is fed into the shaft hole from the switching valve 5c through the port A serving as a supply port. One or several distribution holes 6c are provided on the outer surface of the distribution cylinder 6b, and the fertilizer sent from the switching valve 5c is used for the distribution cylinder 6b.
And is then sent out in the outer peripheral direction through a distribution hole 6c provided in the shaft hole.

The receiving member 8 is an annular member fitted on the outer periphery of the cylindrical distribution tube 6b, and has eight corrugations on its inner peripheral surface as shown in FIG. Recesses partitioned by a certain partition wall 8a are arranged in the circumferential direction to form a receiving port 8b. Both ends of the receiving member 8 are shown in FIG.
As shown in the figure, each receiving port 8b is closed by an end plate 8d and forms a mutually independent small room.

Each receiving opening 8b communicates with the outside of the receiving member 8 through a through hole 8c. That is, each through-hole 8c is connected to the port B as two sets (b) arranged at symmetrical positions and communicates with the fertilizing nozzle 5a on the left side. The other set (d) arranged with a phase difference of 90 ° with respect to the set (b) is connected to the port D and the right fertilizing nozzle 5a
Leading to The remaining four through holes are collectively connected to the port C and communicate with the fertilizer tank 4b.

Therefore, when the distribution cylinder 6b is rotated by the engine 4, it is sent out from the fertilizer pump 5 and is switched to the switching valve 5c.
The fertilizer sent into the distribution cylinder 6b through the port A through the port A is sent out through the distribution hole 6c, and is sequentially sent to eight receiving ports 8b arranged on the outer periphery. Then, the fertilizer is fed into each of the sets (b) and (d) twice while the distribution cylinder 6b makes one rotation, and is sent to the left and right fertilizing nozzles 5a.

[0015] The collecting portion is a collection of fertilizer flow paths,
It is formed inside the casing 9. The casing 9 has a function of pivotally supporting the distribution cylinder 6b and the receiving member 8, and also has a function of collecting fertilizers guided from the eight through holes 8c of the receiving member 8 and feeding the collected fertilizer to the fertilizing nozzle 5a. . That is, the casing 9 is composed of an outer shell member 9a, a bottomed cylindrical collecting member 9b fitted to the inner peripheral surface thereof, and an end plate 9c for closing their ends.

The outer shell member 9a is provided with three ports B, C, and D on its outer surface along the axial direction. The bottoms of the ports B, C, and D are, as shown in FIGS. A passage 6e that communicates with the three annular passages 6d, 6d formed on the inner peripheral surface and that can communicate with the port C from the port B is formed at a predetermined position of the adjacent annular passages 6d, 6d. At the time of normal fertilization, it is closed by a screw 6f or the like. The annular passage 6d is formed by an annular groove formed in the inner periphery of the outer shell member 9a and the outer peripheral surface of the collecting member 9b. Further, as described above, not only the passage 6e from the port B to the port C but also a passage that can communicate from the port D to the port C is formed, and the supply of the fertilizer to the right fertilizing nozzle 5a is stopped by communicating with this passage. May be.

Further, in the collecting member 9b, four axial holes 9d are formed in correspondence with the through holes 8c for every one of the eight through holes 8c provided in the receiving member 8. . One end of the axial hole 9d communicates with a through hole 8c provided in the receiving member 8 through a centripetal hole 9e, and the other end has a radial hole 9f.
And through the annular passages 6d, 6d formed on the inner surface of the outer shell member 9a, to one of the two ports B, D. The four through holes 8c that do not communicate with the axial hole 9d communicate with the port C via radial holes 9f 'provided in the radial direction of the collecting member 9b.

That is, FIG. 5 shows that the other end of the axial hole 9d is connected to the port B, FIG. 6 is connected to the port D, and FIG. 8 is connected to the port C.
Reference numeral 9h denotes a blind plug, which closes a disposal hole for forming a hole 9e in the centripetal direction in the collecting member 9b. Also, 9j
Is a ceiling.

Since the distribution device of the present invention is constructed as described above, the distribution tube 6b rotates and the fertilizer inside is discharged from the distribution hole 6c to the outside. Receiving ports 8b formed in the receiving member 8
And then distributed to the port B or port D of each fertilizing nozzle 5a formed in the outer shell member 9a from the eight through holes 8c communicating with the symmetrically arranged receiving ports 8b through the axial holes 9d of the collecting member 9b. The fertilizer is supplied or returned to the fertilizer tank 4b through the port C. For example, when the ridge interval is wide and the left fertilizing nozzle 5a cannot be injected into the soil and cannot be fertilized, the annular passage 6 communicating with the port B and the port C can be used.
d, 6d ', the closing screw 6 closing the passage 6e
By removing f, the supply of fertilizer to the left side nozzle 5a from the annular passage 6d through the port B is changed to the port B
Through the passage 6e provided between the oil tank and the port C, the water can flow out to the annular passage 6d 'leading to the port C and return to the fertilizer tank 4b.

[0020]

[Effect of the invention] In short, the invention is based on the fertilizer tank 4
b, a distributor 6 for supplying the fertilizer fed by the fertilizer pump 5 from the fertilizer pump 5 separately for each of the plurality of fertilizing nozzles 5a. The distributor 6 is provided with a cylindrical distribution cylinder 6b and concentric with the distribution cylinder 6b. A dispensing part comprising a receiving member 8 fitted to the dispenser, a collecting part for collecting fertilizer taken out from the distributing part and supplying the fertilizer to a plurality of fertilizing nozzles 5a, and a fertilizer other than the fertilizer supplied to the fertilizing nozzle 5a. In a fertilizer applicator integrally comprising a collecting part to be returned to the tank 4b, the two collecting parts are integrally formed by an outer shell member 9a forming an outer shell of the casing 9 and a cylindrical collecting member 9b disposed on the inner surface thereof. And an annular passage 6d for supplying fertilizer to the fertilizing nozzle 5a and an annular passage 6d 'for returning to the fertilizer tank 4b are formed adjacently between the outer shell member 9a and the collecting member 9b. Collective member 9b A plurality of axial holes 9d communicating with the plurality of through holes 8c are provided in the through holes 8c one by one.
b, a radial hole 9f communicating with one of the axial hole 9d and the annular passages 6d, 6d is provided to distribute fertilizer, and a passage is provided between predetermined portions of the adjacent annular passages 6d, 6d '. An opening / closing means for opening and closing the passage 6e is provided, and when the passage 6e is closed by the opening / closing means, fertilizer is supplied to each fertilizing nozzle 5a and opened. The fertilizer is returned to the fertilizer tank 4b when the fertilizer is applied. Therefore, when performing fertilizer work in a field with a wide ridge, the supply of fertilizer to one of the fertilizer nozzles that cannot be reached by the fertilizer nozzle is stopped by the adjacent annular passage. It can be easily done just by opening the groove provided at one end of the
The work can be performed efficiently without wasteful use of fertilizer, and when performing normal fertilization work, there is the effect that the work can be performed without any trouble by closing the groove with a threaded screw or the like.

[Brief description of the drawings]

FIG. 1 is a side view of a self-propelled fertilizer applicator according to an embodiment of the present invention.

FIG. 2 is a piping diagram showing the flow of fertilizer.

FIG. 3 is a passage diagram showing a passage of a distributor.

FIG. 4 is a cross-sectional view of the distributor.

FIG. 5 is a sectional view taken along line VV of FIG. 4;

FIG. 6 is a sectional view taken along line VI-VI of FIG. 4;

FIG. 7 is a sectional view taken along line VII-VII of FIG. 4;

FIG. 8 is a sectional view taken along line VIII-VIII of FIG. 4;

FIG. 9 is a longitudinal sectional view of the distributor.

FIG. 10 is a sectional view taken along the line V'V 'of FIG. 9;

FIG. 11 is an enlarged view of a state in which a passage is closed by a locking screw.

FIG. 12 is an enlarged view of a state in which a locking screw is removed from a passage.

[Explanation of symbols]

 6b Distribution cylinder 6d Annular passage 6e Passage 6f Stop screw 8 Receiving member 9b Collecting member 9d Axial hole

Claims (1)

(57) [Scope of request for utility model registration] 1. A distributor 6 for feeding fertilizer fed from a fertilizer tank 4b by a fertilizer pump 5 separately for each of a plurality of fertilizing nozzles 5a.
b and a receiving member 8 concentrically fitted to the distribution cylinder 6b.
A dispensing unit comprising: a collecting unit for collecting fertilizer taken out from the distributing unit and supplying the collected fertilizer to the plurality of fertilizing nozzles 5a;
In a fertilizer applicator integrally comprising a collecting part for returning fertilizer other than that supplied to the fertilizing nozzle 5a to the fertilizer tank 4b, an outer shell member 9a forming an outer shell of the casing 9 integrally with the two collecting parts and an inner surface thereof And a cylindrical inner collecting member 9b arranged between the outer shell member 9a and the collecting member 9b to return to the annular passages 6d and 6d for supplying fertilizer to the fertilizing nozzle 5a and the fertilizer tank 4b between the outer shell member 9a and the collecting member 9b. Annular passage 6
d 'is formed adjacently, and the assembly member 9b is provided with an axial hole 9d communicating with the plurality of through holes 8c for each jump in the through hole 8c. Radial holes 9 communicating with one of the passages 6d, 6d
f is provided to distribute the fertilizer, a passage 6e is formed between predetermined portions of the adjacent annular passages 6d and 6d 'so as to be able to communicate with each other, and an opening / closing means for opening / closing the passage 6e is provided. A fertilizer that supplies the fertilizer to the respective fertilizer nozzles 5a when the passage 6e is closed by the opening / closing means, and returns the fertilizer to the fertilizer tank 4b when the passage 6e is opened. Fertilizer distribution equipment.