JP2005261328A - Diffusion and guide apparatus for fertilizer applicator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To shorten the whole length of a machine body, to make the front of a diffusion port readily visible and to facilitate work operability by lowering the heights of a front diffusion port and a diffusion chamber and arranging a hopper at the upper side of the diffusion chamber in a fertilizer applicator of a high diffusion form with which a beater and a diffusion plate are arranged at the top and bottom of the diffusion chamber at the front side of a bed and a fertilizer is diffused and discharged from the front side of the diffusion chamber. <P>SOLUTION: The diffusion and guide apparatus for a fertilizer applicator has constitution that a discharge port 2 part formed on the base of a fertilizer hopper 1 is equipped with a shutter 3 that opens and closes and slides in the longitudinal direction, the diffusion plate 4 that receives a fertilizer falling from the discharge port 2 and rotates and diffuses the fertilizer and the diffusion chamber 5. The front horizontal side part of the diffusion port 6 for releasing a fertilizer by the rotation of the diffusion plate 4 is equipped with a diffusion and guide plate 7 that is rotatable to the inside and outside of the width of the diffusion port 6 and is folded and stored at the outside part of the diffusion chamber 5. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a diffusion guide device for a fertilizer spreader that is compact and light-weighted and increases workability by increasing a fertilizer spraying adjustment range.

A high diffusion chamber and a diffusion port are formed vertically on the front side of the loading platform for storing fertilizer, a diffusion plate is provided at the bottom of the diffusion chamber, and a beater is provided at the top. A diffusion guide plate that rotates left and right to open and close the beater side portion is provided on the front lateral side of the upper diffusion port facing the upper beater portion, and a rubber sag is provided below the diffusion guide plate. A technique (see, for example, Patent Document 1) is known.
Japanese Utility Model Publication No. 7-51850 (page 3, FIG. 3)

  In a high-diffusion type fertilizer spreader that arranges beaters and diffusers above and below the diffusion chamber on the front side of the loading platform and diffuses and discharges forward from the diffusion port on the front side of this diffusion chamber, it is a large type that is pulled by riding or tractor In the walking operation work form, it is difficult to foresee the sprayed state from the front fertilizer diffusion port. The present invention reduces the overall length of the fuselage by making the height of the front diffusion port and the diffusion chamber low and placing a hopper on the upper side, making it easy to see the state of fertilizer diffusion in front of the diffusion port. In this way, work operability is facilitated.

  According to the first aspect of the present invention, a shutter 3 that opens and closes in the front-rear direction and a fertilizer dropped from the feed port 2 are received and rotated and diffused at a feeding port 2 formed on the bottom surface of the fertilizer hopper 1. A diffusion plate 4 and a diffusion chamber 5 are provided, and the front side of the diffusion port 6 from which the fertilizer is discharged by the rotation of the diffusion plate 4 can be rotated in and out of the width of the diffusion port 6. The diffusion guide device for fertilizer spreader is provided with a diffusion guide plate 7 that can be folded and stored on the outer side of the chamber 5. The fertilizer supplied to the hopper 1 is fed and dropped into the lower diffusion chamber 5 by opening the shutter 3 of the feeding port 2 at the bottom. This fertilizer is diffused from the front diffusion port 6 to the lower front soil surface by the rotation of the diffusion plate 4. At this time, the diffusion guide plate 7 can guide the diffusion area of the released fertilizer at the left and right side portions of the diffusion port 6 to determine and guide a predetermined spreading width area. When the diffusion guide plate 7 projects forward, the diffusion guide plate 7 is rotated outward and stored in a folded form.

  The invention according to claim 2 is characterized in that a rubber plate 8 extending higher than the diffusion port 6 is laid on the inner side surface of the diffusion guide plate 7. The fertilizer diffused and discharged forward from the diffusion port 6 is slidably guided to the rubber plate 8 on the inner surface of the diffusion guide plate 7. For this reason, when the diffusion width is adjusted, the joint of the diffusion guide plate 7 is covered with the rubber plate 8, and resistance such as catching of fertilizer can be reduced and smooth diffusion discharge can be performed. Further, the rubber plate 8 is formed so that the height of the rubber plate 8 extends over the upper side of the diffusion port 6, so that the scattering to the outside can be reduced even if the diffusion / emission area by the diffusion plate 4 reaches the upper side of the diffusion port 6. . Even if the shutter 3 is operated to the front side and protrudes to the front side of the diffusion port 6, it can be brought into contact with the upper edge of the rubber plate 8 without directly contacting the diffusion guide plate 7. It can be simplified.

  In the first aspect of the present invention, since the outlet 2, the shutter 3, the diffusion plate 4, the diffusion chamber 5 and the like are formed directly below the hopper 1, the height of the hopper 1 and the whole is reduced. In addition, the fertilizer application area in front of the diffusion port 6 can be easily seen, the structure of the fertilizer application machine can be reduced in size and weight, and work operability can be facilitated. Further, by the left and right rotation of the diffusion guide plate 7 on the lateral side in front of the diffusion port 6, the fertilizer diffused and released by the diffusion plate 4 can be directly guided to fall and spray into the target spraying width region. The diffusion guide plate 7 can be folded to the outside of the diffusion chamber 5 when the width of the diffusion chamber 5 or the diffusion guide plate 7 is reduced. Can be lightweight and easy.

  According to the second aspect of the present invention, since the rubber plate 8 is formed on the inner side surface of the diffusion guide plate 7 so as to be higher than the diffusion port 6, the diffusion guide of the fertilizer is smoothly performed and the diffusion guide is provided. The configuration of the plate 7 can be simplified, the height can be reduced, and the weight can be reduced. Moreover, even if the front end portion of the shutter 3 protrudes forward from the upper end of the diffusion port 6, the height of the diffusion guide plate 7 itself can be reduced, so that it does not come into contact.

  Based on the example, the fertilizer spreader has a supply hopper 1 mounted at the front end, an engine 11 mounted at the rear, and a steering handle 12 disposed on a vehicle body 10 having a pair of left and right crawlers 9 that can travel. And it is comprised in the hand running form. The engine 11 is driven to travel by driving the crawler 9 and the spreader 4 under the supply hopper 1, the feeding blade shaft 14 in the hopper 1, the beater shaft 15, etc. are driven and rotated to feed and spread fertilizer. it can. The supply hopper 1 is mounted on the front end portion of the vehicle body 10 so that the front wall 16 portion overhangs forward. The front wall 16 and the rear wall 17 are formed with a relatively steep slope so that the stored fertilizer can easily flow down. The upper rear wall 18 located above the rear wall 17 is gently inclined to increase the capacity, and on the inner side, a damper plate 20 that can be rotated back and forth around the damper shaft 19 is provided. The fertilizer received by the plate 20 is caused to flow down to the front beater shaft 15 side by a dumping action. The upper portion of the front wall 16 is formed with an opening 21 and a gate 23 that can be opened to the front lower portion is provided around the gate shaft 22 at the lower end to facilitate the supply and input of fertilizer into the hopper 1. . The left and right side walls 24 facing the front wall 16 and the rear wall 17 of the hopper 1 are parallel to each other upright, and the upper side wall 25 of the upper part is inclined to the left and right sides to increase the capacity. Yes. A delivery port 2 is formed at the lower end of the hopper 1 over the width of the vehicle body 10.

  A shutter 3 that is slid back and forth and opened and closed is provided below the feed outlet 2 of the supply hopper 1, and a diffusion chamber 5 in which a diffusion plate 4 is disposed is provided below the shutter 3. The diffusion plate 4 is rotated around a diffusion axis 27 in the vertical direction. The diffusion plate 4 is disposed on both right and left sides in the diffusion chamber 5 and has diffusion blades 28 on the upper surface. The fertilizer is applied to the field scene from the front diffusion port 6 while rotating. The shutter 3 is formed broadly in the same manner as the delivery port 2, the closing plate portion 30 is formed in the front half portion, the shutter opening portion 31 that can be overlapped with the delivery port 2 is formed in the rear half portion, and the left and right outer portions are formed. A shutter flange 32 is formed along. The upper part of the diffusion cover 33 constituting the diffusion chamber 5 is bulged outward to form a sliding groove 34, and the shutter flange 32 of the shutter 3 is fitted and guided to the sliding groove 34. A rail 35 made of synthetic resin is provided below the sliding groove 34, and the shutter flange 32 is slid on the upper surface of the rail 35. The lower edges 36 and 37 of the front and rear walls 16 and 17 of the supply hopper 1 are bent horizontally in the front-rear direction, and the upper surface closing plate portion 30 of the shutter 3 is slidably contacted with the lower surface thereof. Prevent fertilizer entrapment. The distance between the lower edges 36 and 37 of the supply hopper 1 and the shutter 3 can be set so as not to occur as much as possible by adjusting the mounting guide height of the rail 35. Further, a cover edge 38 standing upright from the diffusion cover 33 side is formed below the lower edge 37 on the rear side of the hopper 1, and an insulator 39 is attached to the upper end of the cover edge 38 so that the lower edge 37 of the rear wall 17 of the hopper 1 is attached. It is brought into pressure contact with the lower surface to partition between the inside of the diffusion chamber 5 and the outside on the rear side to prevent the diffusion fertilizer from jumping out.

  In the vicinity of the steering handle 12 part behind the hopper 1, a travel clutch lever 40 of a travel clutch that turns on and off the vehicle body travel transmission, a work clutch lever 41 of a work clutch that transmits the spreader 4 and the like to perform the dispersal of fertilizer. A shift lever 42 that performs a traveling shift and a shutter lever 13 that opens and closes the shutter 3 are disposed. The shutter lever 3 that opens and closes the shutter 3 is provided on the support bracket 43 on the right side of the engine 11 so as to be able to rotate back and forth around the lever shaft 44. A brake disk 45 in the form of a friction disk is provided between the shutter lever 13 and the support bracket 43 so that the front / rear operation position of the shutter lever 13 can be appropriately locked and maintained. It can be forcibly rotated against the force and rotated back and forth. The arm ratio changing mechanism 26 has a turnbuckle 50 between the rod holes 47 and 48 formed in the lever arm 46 integrated with the shutter lever 13 and the link arm 49 on the front vehicle body 10 to adjust the length. It is connected with a possible link rod 51. On the arm shaft 52 of the link arm 49, link arms 53 that are longer than the link arm 49 are provided at both left and right end portions, and the front end portion of each link arm 53 and the rear end left and right side ends of the shutter 3. The parts are connected by link rods 54 and 55. Of these, the left link rod 54 is provided with a turnbuckle 56, and the length of the link rod 54 can be adjusted. By this adjustment, the front / rear position of the shutter 3 is adjusted and the right / left inclination is corrected. The shutter 3 can be opened and closed smoothly.

  This fertilizer spreader is mainly used for spreading compost and manure, but in addition to these, it is also possible to spray chemical fertilizers and limes which are fine powder particles. In order to disperse this chemical fertilizer and the like, it is necessary to reduce the opening of the feed outlet 2. Here, when spreading compost or manure, the link rod 51 is engaged with the rod hole 47 of the lever arm 46 to increase the amount of forward and backward movement of the shutter 3, and the opening of the feeding port 2 by the shutter 3 is opened. When spraying chemical fertilizer, etc., the link rod 51 is engaged with the rod hole 48 of the lever arm 46, thereby reducing the amount of forward and backward movement of the shutter 3 and repeating. It is set as the structure which can make the opening degree of the exit 2 small. The shutter lever 13 can be operated over a certain angular range in the front-rear direction, and the outlet 2 can be opened by the forward rotation operation and closed by the rear operation. The opening / closing operation position of the shutter 3 can be adjusted by adjusting the turnbuckle 50 of the link rod 51.

  On the lower surface of the diffusion cover 33, a transmission case 57 is attached to the lower side of the diffusion shaft 27 to constitute a diffusion block 29. On the rear side surface of the diffusion block 29, a stepped portion 58 is formed by the rear surface of the transmission case 57 and the rear lower surface of the diffusion cover 33. A support frame 60 protrudes from the front end portion of the vehicle body 10 on which the diffusion block 29 is mounted, and a stepped portion 59 is formed by the front end upper surface of the vehicle body 10 and the upper surface of the support frame 10. The steps 58 of the diffusion block 29 are mounted on the step 59 of the vehicle body 10 so as to be aligned from the front, and are detachably attached by bolting or the like (FIG. 5). Maintenance can be simplified. The hopper 1 is attached to and detached from the diffusion block 29.

Diffusion guide plates 7 are attached to the left and right sides of the diffusion case 33, and a flow dividing plate 61 is provided at the center. The diffusion guide plate 7 includes an attachment portion 71 that is fixed to the outer side of the diffusion case 33, an intermediate portion 72 that can be rotated around the hinge 62 and the pin 74 at the front end of the attachment portion 71, and the intermediate portion 72. It is composed of a front end portion 73 and the like that can rotate in the left-right direction around the hinge 63 at the front end. A rubber plate 8 is laid along these inner surfaces. The mounting portion 71, the intermediate portions 72 and 75, the distal end portion 73, and the like are formed in an angled cross section, and arcuate guide holes 77 are formed in the front and rear end portions of the bottom side portion 76 of this angle shape. The overlapped portion is fastened and fixed with bolts 70. Further, each vertical side portion 78 in the angle form is formed within the height of the diffusion port 6, the rubber plate 8 is laid along the inner side surface, and the upper end is above the vertical side portion 78. It protrudes and faces the height position of the shutter 3 above the diffusion port 6. The rubber plate 8 includes a rear portion 81 laid over the inner surface of the attachment portion 71 and the intermediate portion 72, and a front portion 82 laid on the inner surface of the tip portion 73. These front and rear end portions have an appropriate width. Is polymerized. The rubber plate 8 has an appropriate elasticity and prevents adhesion of diffusion fertilizer. The rubber plate 8 can be made of a synthetic resin such as a polyethylene sheet.
Such a diffusion guide plate 7 can be rotated left and right around the hinges 62 and 63 to change the diffusion guide angle of the fertilizer discharged from the diffusion port 6. When the diffusion zone width is set at the standard position A, the left and right diffusion guide plates 7 are projected straight forward in parallel with the straight direction of the aircraft. When the narrow width position B is set to narrow the diffusion width, the intermediate portion 72 and the tip portion 73 are turned inwardly around the hinges 62 and 63, and the hinges 62 and 63 are tightened with bolts or the like. Fixed by. Further, the diffusion width is made wider than the standard position A, or the diffusion guide plate 7 is further rotated outward from the standard position A so as to be accommodated C along the outside of the diffusion chamber 5.

  The flow dividing plate 61 is provided at the front end portion of the partition plate 64 positioned between the left and right diffusion plates 4, and discharges the fertilizer diffused and released by the diffusion plate 4 to the left and right sides. The flow dividing plate 61 is configured in a triangular shape, and the vertical mounting position of the flow dividing plate 61 can be adjusted by tightening a set bolt 69 that fits into the elongated hole 68 with respect to the mounting bracket 67 of the diffusion cover 33. . By adjusting the height of the flow dividing plate 61, the dispersion amount guided to the left and right sides and the central discharge amount discharged forward directly under the flow dividing plate 61 are adjusted, so that the diffusion distribution state on the entire left and right width is adjusted. Can be adjusted.

The whole side view of a manure spreader. The top view of a diffusion guide board part. The front view of the diffusion chamber part. The whole top view of a manure spreader. Shutter opening / closing operation diagram.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hopper 2 Outlet 3 Shutter 4 Diffusion plate 5 Diffusion chamber 6 Diffusion port 7 Diffusion guide plate 8 Rubber plate

Claims (2)

  On the delivery port (2) formed on the bottom surface of the fertilizer hopper (1), the shutter (3) that opens and closes in the front-rear direction, and the diffusion that receives and spreads the fertilizer dropped from the delivery port (2) A plate (4) and a diffusion chamber (5) are provided, and on the front lateral side of the diffusion port (6) through which the fertilizer is discharged by the rotation of the diffusion plate (4), the width of the diffusion port (6) is measured. A diffusion guide device for a fertilizer spreader, characterized in that a diffusion guide plate (7) that can be pivoted and that can be folded and stored is provided outside the diffusion chamber (5).   The diffusion guide device for a fertilizer spreader according to claim 1, wherein a rubber plate (8) extending higher than the diffusion port (6) is laid on the inner side surface of the diffusion guide plate (7).

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