JP3378128B2 - Manure spreader - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a fertilizer spreader that is mounted before or after a tractor to spray fertilizers such as dusts and granules. 2. Description of the Related Art Conventionally, there has been known a technique in which a fertilizer spreader is attached to a front portion or a rear portion of a tractor to spray fertilizer at a constant width in the width direction of the tractor. For example, this is a technique disclosed in Japanese Utility Model Laid-Open Publication No. 3-12719. According to this technique, a feeding portion is provided at a lower portion of a hopper, and the feeding portion causes an agitator (feeding blade) to rotate to drop a spraying agent from a drop hole opened on the lower surface of the feeding device so that the amount of drop can be adjusted. In addition, an opening / closing lid that rotates in the vertical direction is provided at a lower outlet of the hopper so that the spraying agent does not fall from the drop hole at the end of the work. [0003] In [0006] the prior art, exchange A <br/> Jiteta, or remove clogging, when performing maintenance of the feeding unit, the hopper above the opening This was a very cumbersome operation, as the work had to be done by sticking hands from the part, or it had to be turned upside down to disassemble the bottom of the feeding part. [0004] The present invention uses the following means to solve the above problems. In a fertilizer spreader in which a hopper is arranged at an upper part and a dispensing part for dispensing a sprinkled material by a rotation of an agitator is provided at a lower part, the hopper and the dispensing part are vertically separated, and a one-touch engagement is provided on one outer surface of the hopper or the dispensing part. the stopper is provided, the hook provided on the other opposing outer surface, a detachable one-touch, in the longitudinal direction on the upper portion of the hopper interior, grip
It is a horizontal rod . Next, the configuration of an embodiment shown in the accompanying drawings will be described. 1 is a front view of the fertilizer spreader of the present invention, FIG. 2 is a side view thereof, FIG. 3 is a side view of a state where a hopper is removed, FIG. 4 is a perspective view of a state where a hopper and an agitator are removed, and FIG. FIG. 6 is a partial bottom view of the shutter. 1 and 2, a fertilizer spreader A has a hopper 2 disposed at an upper portion thereof and a feeding portion 1 provided at a lower portion thereof so that the fertilizer spreader A can be vertically separated and detached. The feeding unit 1
A frame pipe 4 and a gutter 5 are fixedly provided between the side plates 3.
Further, an agitator (feeding blade) 6 and a knock shaft 7 are rotatably supported between the side plates 3.3. A hitch 9 is fixedly provided at the front center of the frame pipe 4 at the left and right center, so that the frame pipe 4 can be mounted on a front end of a bumper of a tractor, a work machine mounting device, or the like. On one side of the frame pipe 4, an opening adjusting device 11 for a shutter 10, which will be described later, is provided, and a lever 12 is turned around a rotation fulcrum shaft 15 provided below the frame pipe 4. By moving the shutter, the shutter 10 can be slid left and right through the arm, and the lever 12 can be fixed at an arbitrary position by tightening a fixing knob 13 provided on a graduated plate 14 provided on the frame pipe 4. Like that. That is, the amount of spray is adjusted by rotating the lever 12 along the scale, and the fixing knob 13 is tightened and fixed to maintain the position. As shown in FIGS. 4, 5 and 6, the receiving trough 5 is formed in a U-shape when viewed from the side. .. are provided, and guide rails 16 are provided on both front and rear sides of the outer surface of the receiving trough 5.
16 is provided in the left-right direction, and the shutter 10 configured to fit the lower surface of the receiving gutter 5 is slidably fitted to the guide rails 16. The shutter 10 is also provided with the drop holes 10a.
Are opened, the shutter 10 is connected to the opening adjusting device 11, and the shutter 10 is slid by rotating the lever 12, so that the drop hole 5a and the drop hole 1 are dropped.
The overlapping area of Oa is changed so that the spraying amount can be adjusted. Although the drop hole 5a and the drop hole 10a are circular, a triangular shape, a rectangular shape, and the like are also possible, and the shapes are not limited. Then, as shown in FIGS. 1, 2 and 4,
A mounting cover 17 is fixed to the lower surface of the receiving gutter 5 so as to cover the lower part of the shutter 10. The lower surface of the mounting cover 17 has a chute 1 corresponding to the position of the drop holes 5a.
Are fixed, and the chutes 19, 19,.
The guide pipes 20 are communicated with the lower part respectively. The lower ends of the guide pipes 20, 20...
20: The falling position is fixed so that the lower end does not swing. Further, as shown in FIG. 4, an insertion hole 3a for inserting an agitator 6 is opened in the side plate 3 for fixing both sides of the receiving gutter 5, and one insertion hole 3a is formed in the bearing cover 2.
2, the center of the bearing cover 22 rotatably supports the shaft 6a of the agitator 6. Into the other insertion hole 3a, a dog clutch 23 is inserted for driving the agitator 6 to rotate. The rotation shaft of the dog clutch 23 is inserted into a gear box 24, and is driven by a motor 25 via gears and clutches. It is configured to be. The rotation speed of the agitator 6 can be changed by changing the voltage of the motor 25 or by changing the pulse control. The agitator 6 has, as shown in FIG. 5, blades 6b, 6b,... Made of an elastic material such as rubber protruding around a shaft 6a in a star shape in a sectional view. The rotation trajectory of the tip of the blade 6b is made substantially coincident with the inner curved surface of the lower part of the gutter 5 to reduce the gap between the two blades 6b, 6b facing downward and the inner surface of the gutter 5. , So that the spraying agent does not leak. That is, the spraying agent is inserted between the adjacent blades 6b on the agitator 6, and
The spraying agent is conveyed downward by the rotation of the agitator 6 and is fed out, and the dropping holes 5a, 5a.
0a, 10a ... fall. When the rotation of the agitator 6 is stopped, the spraying agent fitted between the downwardly facing blades 6b, 6b falls entirely through the falling holes 5a, 5a.
Since the spraying agent does not leak from between the tip of 6b and the inner surface of the receiving trough 5, the spraying agent does not fall any more and there is no need to provide an opening / closing lid. However, in the present embodiment, six blades protrude in a star shape with the angle θ between the blades 6b being 60 °, but the number of blades such as five or eight is not limited. FIG. 2 and FIG.
, A plurality of knock pins 7a are protruded, and one end of the knock shaft 7 is inserted into the gear box 24 and is driven intermittently so that the knock pins 7a 7a.
.. is configured to swing at a constant width. In this manner, the knock pins 7a, 7a,... Are swung during the spraying operation to strike the rear surface of the hopper 2 so that no bridge is generated in the hopper 2. The swing drive of the knock pin 7a and the operation of stopping the swing drive can be performed by rotating a lever 26 protruding from the gear box 24. The upper ends of the side plates 3, 3 are bent to form edges 3b, 3b, and the edge 2a provided on the lower side of the hopper 2 can be placed and positioned. A central portion of the edge 3b is bent to form a hook 3c, and a hook 3d is erected on the other side so that the one-touch locking members 30 provided on the side surface of the hopper 2 can be locked. However, the hook and the one-touch locking device may be mounted in reverse. The hopper 2 is formed in a trapezoidal shape when viewed from the side, the upper surface and the bottom surface are opened, the upper opening is covered with a lid 31, and the lower opening is inserted so as to face the feeding portion 1. I have. An inclined plate 32 is provided at a lower rear portion of the hopper 2 so that the agitator 6 can smoothly feed the hopper 2, and a sight window 2b is provided at a lower front surface of the hopper 2.
2b is provided so that the amount and the like of the sprayed material inside can be visually checked. In addition, grip bars 27 are laterally provided in the upper part in the hopper 2 in the front-rear direction. With this configuration, when clogging occurs in the agitator 6, the shutter 10, or the like, or when performing maintenance, cleaning after work, or the like, the one-touch locking members 30 are removed and the gripping rods 27 are removed. The hopper 2 can be removed simply by grasping and lifting it upward, and the upper part of the feeding portion 1 can be easily opened. When the screw for fixing the bearing cover 22 is removed and the bearing cover 22 is removed, the agitator 6 can be pulled out to the side. According to the present invention, the following effects can be obtained by the configuration described above. First, since the hopper and the feeding portion can be separated vertically, the removal of clogs and maintenance can be easily performed from above only by removing the hopper. In addition, the hopper and the feeding section can be separated simply by removing the one-touch locking device, so that no tools are required and the disassembly can be easily performed. Secondly, since the gripping rod is laid on the upper part in the hopper, the hopper can be lifted by gripping the gripping rod when removing the hopper. Can be done easily.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a fertilizer spreader according to the present invention. FIG. 2 is a side view of the same. FIG. 3 is a side view showing a state where a hopper is removed. FIG. 4 is a perspective view showing a state where a hopper and an agitator are removed. FIG. 5 is a side sectional view of an agitator and a shutter portion. FIG. 6 is a partial bottom view of the shutter. [Description of Signs] 1 Feeding part 2 Hopper 3 Side plate 3a Insertion hole 3c / 3d Hook 6 Agitator 27 Grip rod 22 Bearing cover 30 One-touch locking tool

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 1-1112616 (JP, U) JP-A 55-8369 (JP, U) JP-A 63-116024 (JP, U) JP-A 62- 187510 (JP, U) Jiko 6-13635 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01C 15/00

Claims (1)

(1) In a fertilizer spreader in which a hopper is arranged at an upper part and a dispensing part is provided at a lower part for dispensing a spread by rotating an agitator, the hopper and the dispensing part are vertically separated. and, the one-touch fastener provided at one outer surface of the hopper or the feeding section, the hook provided on the other opposing outer surface, a detachable one-touch, the hopper inside the upper
A fertilizer spreader characterized by having a gripping rod laid horizontally in the front-rear direction .