JPS6411244B2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a manure spreader.

The present applicant has already published patent applications No. 58-216608 and JP-A No. 59-1999 as inventions related to manure spreaders.
66802 etc. were proposed. The present invention particularly relates to a manure spreader having a feature in the position where the compost falls.

In a manure spreader, if the fall position of the compost is not specified and the fertilizer is dropped on the opposite side of the spreader at the center of the spreader, that is, at the rear of the spreader, sufficient centrifugal force will not be applied and the fertilizer will be spread out. As a result, the fertilizer falls off, resulting in uneven spraying, an inability to extend the spraying distance, and a narrow spread width.

In the present invention, a crushing beater is provided above the rear of a conveyor for transporting compost and is rotated in the same direction as the conveyor, and a plurality of spreading bodies are provided facing the lower rear of the conveyor and rotated at high speed. is installed laterally in the axial direction of the crushing beater, and a guide body is vertically installed above the spreading body to cause the crushed compost to fall onto the compost fall zone on the side of the transport body in the center of the spreading body,
By providing a manure spreader characterized in that an enclosure body surrounding the spreading body is provided on the conveying body side of the spreading body, it is possible to extend the spreading distance and the spreading width, and also to increase the spreading thickness. The purpose is to improve the spraying accuracy by making the spray more uniform.

Next, a manure spreader according to the present invention will be explained with reference to drawings showing embodiments. 1 is a cargo frame consisting of a front wall, 2, side walls, 3 and a bottom plate 4,
A conveyor 5 for transporting compost is hung on the bottom plate 4, with the outward path being directly above the bottom plate 4 and the return path being below the bottom plate 4, as shown in the figure. Reference numeral 6 denotes a towing rod connected to a tractor hitch (not shown), which also serves as the frame of the aircraft. Reference numeral 7 denotes a crushing beater installed horizontally above the rear part of the conveyor 5, and a crushing beater shaft 8 is installed horizontally.
A cutting blade 10 and a protruding piece 11 are removably fixed to each other via a horizontal plate 9 that extends in the longitudinal direction of the circumferential surface. The cutting blade 10 is made of a triangular blade and is formed in a spiral shape as a whole around the outer periphery of the crushing beater 7. The protruding piece 11 is a substantially trapezoidal plate-like body without a blade, and is installed on the side plate 11 where the cutting blade 10 is not installed. As shown in FIG. 4, the diameter of the crushing beater 7 is formed to be large enough to be approximately the same as the pile height h of the compost transferred by the conveyor 5. The crushing beater 7 has a lower end close to the upper surface of the carrier 5,
The crushing beater shaft 8 is arranged slightly forward of the conveyor drive shaft 12 so that its rear end substantially coincides with the rear end of the conveyor 5 . The crushing beater shaft 8 is rotated in the same direction as the conveyor drive shaft 12, and is supported by a support frame 13 that spans the rear part of the side frame 3 and has a square shape when viewed from the rear. The support frame 1
3 has an apron hanging down at the front and a guide body 14 at the rear. The dispersing body 15 is composed of a vane plate 16 that rotates at high speed, faces below the rear end of the conveying body 5, and is installed laterally in the direction of the crushing beater shaft 8. In the illustrated embodiment, the scattering body 15 comprises two disks 17, each fitted on a vertical shaft.
Three blade plates 16 are protruded from the upper surface of each, and the rear part is inclined slightly upward. In the illustrated embodiment, the tip of the vane plate 16 projects to the outside of the periphery of the disk 17, and an auxiliary vane plate 18 made of a rubber material is fixed thereto. Each vane plate 17 is arranged so that the rotation loci of its tip end overlap each other at the contact point b of the disk 17, and so that they do not collide with each other during rotation. An exclusion plate 19 is provided on the bottom surface of the disk 17.
is fixed. The auxiliary vane 18 and the exclusion plate 19 are suspended directly above the protection plates 20, 20' provided below the disk 17. the protective plate 20,
20' is along the rotation locus of the tip of the vane plate 16,
It is provided in an arc shape so as to project slightly beyond the tip, and its upper surface is made to coincide with the upper surface of the transmission box 21. The front half 20' of the protection plate has a surrounding body 22 erected on the front edge integrally with the protection plate 20',
Together with the surrounding body 22, a casing that semi-hermetically covers the dispersion body 15 is formed. The standing plate 23 hanging from the cargo frame 1 is connected to the end of the enclosure 22, and has a tip slightly protruding from the rear of the scattering body 15 formed at an acute angle along the rotation locus of the vane plate 16. Ru. The guide plate 14 is provided behind the crushing beater 7, and the spreading body 15 is arranged so that the crushed compost is dropped into the compost fall zone a formed on the side of the conveyor 5 at the center of the spreading body.
It is installed vertically above. The compost fall zone a is a continuous zone spanning the entire length of the spreading body 15 in the width direction, and is desirably formed to have approximately the same length as the width of the guide body 14. A rubber material 24 is provided at the lower end of the guide body 14.
is fixed. It is preferable that the width of the guide body 14 is approximately the same length as the width of the crushing beater 7 and the width of the conveyor 5, since this further improves prevention of dropping of fertilizer. Further, it is desirable that the guide body 14 be provided from above the crushing beater to directly above the spreading body, that is, that its lower end be vertically provided below the crushing beater shaft 8, since this further improves prevention of compost dropping. The distance between the guide body 14 and the crushing beater 7 and the dispersion body 15 can be adjusted using an adjustment member. Spreader drive shaft 25
The vertical shaft penetrates through the transmission box 21 and is connected to the drive shaft 25 to rotate the dispersion body 15 at high speed in mutually opposite directions. tractor
An input shaft 26 connected to a PTO shaft (not shown) via a universal joint is connected to left and right counter shafts 28, 28' via a gear (not shown) built into a distribution box 27. . Counter axis 2
8 is connected to the crushing beater shaft 8 and the scattering body drive shaft 25 via a transmission belt, and the counter shaft 28' is connected to the conveyor drive shaft 12 via a transmission (not shown) built in a transmission box 29. be done.

Next, the operation of the manure spreader according to the present invention will be explained. The compost loaded on the loading platform of the manure spreader is sent to the crushing beater 7 by the conveyor 5. Here, the sent fertilizer is scraped upward by a crushing beater 7 provided with a cutting blade 10 and a protrusion 11, cut and crushed, and is made to collide with a guide body 14. At this time, the crushing beater 7 has a diameter equal to the compost pile height h.
It functions as a metering drum. In other words, the crushing beater 7 also has the function of supplying a fixed amount of compost to the spreading body 15 through its rotation. Further, since the crushing beater 7 has a large diameter and is equipped with a cutting blade 10, it is possible to cut straw and twine into thin pieces and prevent them from becoming entangled. collided with the guide body 14,
The finely crushed compost is guided along the guide body 14 and is forcibly dropped into the compost falling zone a formed on the spreading body 15. Here, the crushed compost is supplied to the optimum position for spreading because the guide body 14 is vertically disposed up to the surface directly above the conveyor side of the central part of the spreading body 15. That is, since the compost fall zone a is formed at the above position, the guide body 14
The compost dropped from the sprayer 15 is rotated at high speed.
Sufficient centrifugal force is applied to the object while it is brought to the center and carried to the throwing point, and this sufficient centrifugal force allows it to be thrown far away. If it is thrown far, the scattering distance will be extended and the scattering width will also be expanded. In addition, since the compost is always dropped at the same position by the guiding body 14, the throwing point is constant, and the thickness of the spreading can be made uniform.
Spreading accuracy is improved. In the illustrated embodiment,
Since the rotation loci of the tips of the vanes 16 are arranged so as to overlap each other at the contact point b of the disk 17, the compost is further crushed here as well, becoming more suitable compost particles and being completely scattered. It further contributes to uniformity of spray thickness. During this spreading, the casing consisting of the surrounding body 22 and the front half of the protective plate 20' semi-hermetically covers the spreading body 15, so that the supplied compost is discharged and scattered without falling forward. Further, since an auxiliary rubber blade plate 18 is provided at the lower end of the blade plate 16, it is not only effective in scraping out the compost at the contact point b, but also helps in rotating the spreader 15 together with the removal plate 19. It is possible to remove the compost that is scattered on the protective plates 20, 20' or invades the inside of the protective plates 20, 20', so that the straw etc. in the compost is not wound around the vertical shaft. Prevent it from sticking.
This prevents compost from accumulating around the spreading body 15, so there is no need to use power to remove the accumulated compost as in the conventional case. Furthermore, since the rotation loci of the tips of the blade plates 16 at the contact point b overlap as described above, the compost falling into the compost fall zone a drips from between the blade plates 16. Never.
The tip of the standing plate 23 is slightly protruded from the rear of the spreading body 15 and is formed at an acute angle along the rotation locus of the vane plate 16, so that some of the thrown compost adheres to and accumulates on that surface. This prevents compost from falling off due to adhesion and accumulation. Furthermore, crushing beater 7
Since the rear end is arranged so as to be substantially aligned with the rear end of the conveyor 5, if the spreading body 15 is installed below the rear end of the conveying body 5, the compost will be deposited on the spreading body 15. Since the compost fall zone a, which is the optimum supply position, is formed without difficulty, the spreading mechanism constituted by the crushing beater 7, the guide body 14, and the spreading body 15 is arranged in a well-balanced manner at the rear of the machine. The protection plates 20, 20' are provided in an arc shape along the rotation locus of the tip of the vane plate 16 to the extent that they protrude slightly beyond the tip. prevent it from colliding with obstacles.

As described above, according to the manure spreader of the present invention, it is possible to prevent compost from falling off and unevenly spread, to extend the spreading distance and spread width, and to make the spreading thickness uniform. The spraying accuracy can be improved by

[Brief explanation of drawings]

The drawings show an embodiment of the manual spreader according to the present invention, and FIG. 1 is a front view, FIG. 2 is a partially omitted plan view showing the power transmission state, and FIG. 3 is a partially cutaway enlarged view of the main part. , FIG. 4 is a sectional view of the main part, and FIGS. 5 and 6 are partially omitted plan views of the main part. 5...Transportation body, 7...Crushing beater, 8...Crushing beater shaft, 14...Guiding body, 15...Scattering body, 2
2... Surrounding body, 23... Standing board, a... Compost fall zone.

Claims (1)

[Scope of Claims] 1. A crushing beater that is rotated in the same direction as the conveyor is provided above the rear of the conveyor that transfers the compost,
A plurality of spreading bodies facing downwardly at the rear of the conveying body and rotating at high speed are installed laterally in the axial direction of the crushing beater, and above the spreading bodies, crushed compost is distributed at the center of the spreading bodies. A manure spreader, characterized in that a guide body is provided vertically to cause the compost to fall onto a compost falling zone on the side of the conveyor, and a surrounding body is provided on the side of the conveyor of the spreader to surround the spreader. 2. The manure according to claim 1, wherein the compost fall zone is a continuous zone spanning the entire length of the spreading body in the width direction, and has approximately the same length as the width of the guide body.
Spretzda. 3. The manure spreader according to claim 1 or 2, wherein the width of the guide body is approximately the same length as the width of the crushing beater and the width of the conveying body. 4. The manure spreader according to any one of claims 1 to 3, wherein the guide body is provided from above the crushing beater to directly above the spreading body.