JP2003235319A - Spread direction adjuster for self-propelled duster - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a spread direction adjuster that is inexpensive and can readily change the dusting direction by utilizing the flexure of the bellows type cylinder in no need of limitation of the use of the spreader only to the carrying type, when the spreader bearing a bellows type cylinder is placed on a self-propelled cart. <P>SOLUTION: The front wheels 2 are set in front of the machine body 1, the handle lever 3 that is operable by the worker is provided in the rear of the machine body 1, and a power spreader bearing the bellows type cylinder 4 is placed between the front wheels 2 and the handle lever to constitute the self-propelled cart. Near the spreader 5, is set a supporting rod 7 upright higher than the spreader 5. A rotary tool 8 that is horizontally rotatable and is rotation-settleable is provided on the upper part of the support rod 7. A hanging tool 9 for hanging down the release cylinder 6 is set to rotary tool 8 and a holding tool 10 is provided for holding the middle part 4a of the bellows cylinder 4 near the supporting rod 7 whereby the release direction adjuster is constituted. <P>COPYRIGHT: (C)2003,JPO

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-propelled duster equipped with a spraying device for spraying fertilizers, chemicals, seeds and the like in a field such as a paddy field. 2. Description of the Related Art Conventionally, an adjusting device capable of changing the direction of spraying of a sprayed object in a self-propelled duster equipped with a spraying device is disclosed in Japanese Patent Application Laid-Open No. 8-224513. There is known a configuration in which a joint is provided in a discharge cylinder portion and the joint is rotated by a motor. Although these configurations can easily change the jetting direction, the device becomes complicated and expensive. Further, a configuration is known in which the discharge cylinder is fixed above the spraying device and the vertical angle of the discharge cylinder can be adjusted. However, it is difficult to rotate the discharge cylinder in the horizontal direction. He could only work. [0003] The present invention is to provide a sprinkling apparatus 5 having a bellows cylinder 4 of a standard specification mounted on a bogie, without using the sprinkling apparatus 5 exclusively for mounting. It is an object of the present invention to provide an emission direction adjusting device that can easily change the emission direction at low cost by using the flexure of (4). [0004] A front wheel 2 is provided in front of the fuselage 1, a handlebar 3 operable by an operator is provided behind the fuselage 1, and a power dispersing device 5 having a bellows-shaped injection pipe 4 is used as a front wheel. A traveling carriage mounted between the handlebar 2 and the handlebar 3, wherein a support rod 7 is erected upward near the sprayer 5 and higher than the sprayer 5, and is horizontally rotated above the support rod 7. And a rotating tool 8 capable of rotating and fixing the same, and the rotating tool 8 includes a discharge cylinder 6
Of the self-propelled duster provided with a hanger 9 for suspending the bellows cylinder and a holding tool 10 for holding the intermediate portion 4a of the bellows cylinder 4 near the support rod 7. [0005] A front wheel 2 is provided in front of the fuselage 1, and a handlebar 3 that can be gripped and operated by an operator is provided in the rear of the fuselage 1, and a power dispersing device 5 having a bellows cylinder 4 is connected to the front wheel 2 and the handlebar 3. It is mounted between. In the vicinity of the dispersing device 5, the support rod 7 is erected upward so that the tip is higher than the dispersing device 5, so that the discharge cylinder 6 can be easily hung. On the upper part of the support rod 7, a rotating tool 8 capable of horizontal rotation and its rotation and fixation is provided, and a suspending tool 9 for hanging the discharge cylinder 11 on the rotating tool 8 is provided. Thereby, the rotating tool 8 provided on the upper part of the support rod 7 can rotate together with the discharge cylinder 6. The intermediate portion 4a of the bellows tube 4 is held by a holder 10 near the support rod 7, and the discharge tube 6 rotates in the horizontal direction while the bellows tube 4 bends around the holding portion as the center of rotation. , Can be easily rotated. Further, the rotating tool 8 is configured to be rotatable and fixable with respect to the support rod 7, so that the discharge cylinder 6 can be easily fixed at a fixed position.
It is possible to simply and inexpensively configure a discharge direction adjusting device capable of directing the discharge direction of the dispersed matter in all directions. Further, a standard spraying device 5 having a bellows cylinder 4
In this case, there is no need to make a change such as using a joint for changing the ejection direction in the bellows cylinder 4 to mount the truck, and the spraying device already purchased can be directly mounted on the truck. As shown in FIG. 1, an airframe 1 has a frame 1a, 1a formed by bending a pipe having a circular cross section into a U-shape in plan view to have a narrow width, and the frame 1a. , 1a is constituted by reinforcing members 1b connected at appropriate intervals in the front-rear direction. The reinforcing member 1b behind the front wheel 2 also serves as a base member for reinforcing the body 1 and mounting the spraying device 5. A large-diameter wide front wheel 2 having substantially the same width as the body 1 is provided in front of the body 1 as a drive wheel. The front wheels 2 are blanketed upward from the left and right frames 1a, 1a.
Is extended to form an axle 28, and the body 1 is positioned relatively low so that the load can be mounted at a low center of gravity. The front portion of the body 1 extends obliquely upward at the front side of the front wheels 2, and a battery 22 and a drive motor 23 for driving the front wheels 2 are disposed above the front side. A handlebar 3 is erected from both sides of the body 1 upward from the rear of the body 1 so that an operator can grip the handlebar 3 from behind and operate the handlebar 3. The rear wheel 24 is an idler wheel having a small diameter and a wide width, and is mounted on brackets 19, 19 hanging from left and right frames 1a, 1a. A power distribution device 5 is mounted between the front wheel 2 and the handlebar 3. As shown in FIG. 2, a bellows tube 4 is attached to the lower side of the spraying device 5, and the bellows tube 4 is curved upward. A long discharge cylinder 6 is attached to the tip of the bellows cylinder 4. A discharge port 1 for discharging a scattered substance is provided below the discharge cylinder 6.
5 is provided, and the scattered material is discharged from the discharge port 15 and the distal end of the discharge cylinder 6. There are various types of discharge cylinders 6 from short ones to long ones, and some of the long ones extend over 2 meters. When carrying out the spraying operation while carrying the power spraying device 5, the discharge cylinder 6 is held by hand, but in the present invention, the discharge cylinder 6 is suspended. As shown in FIG. 1, a support rod 7 is provided upright from the front wheel 2 and the spraying device 5 so as to be higher than the spraying device 5. The standing position of the support rod 7 is determined by the bellows cylinder 4 of the spraying device 5.
Varies depending on where it is located, but may be in the vicinity of the spraying device 5. For example, a support rod 7 is provided in front of the spraying device 5.
When the discharge cylinder 6 is turned to the left and right, or when the niagara is attached, the front-rear balance of the body 1 is good, and when the support rod 7 is Since the discharge cylinder 6 is close, the rotation and angle of the discharge cylinder 6 can be easily adjusted. At the upper part of the support rod 7, there is provided a rotating tool 8 which is fitted in a shape covering the upper end of the supporting rod 7, and the rotating tool 8 is rotatable with respect to the supporting rod 7 and fixes the rotation. The rotating handle 8 is provided on the outer periphery of the rotating tool 8. That is, when the fixed handle 30 is tightened, the rotating tool 8 can be fixed to the support rod 7, and when the fixed handle 30 is loosened, the rotating tool 8 can be rotated, so that horizontal rotation and fixing can be easily performed. It can be carried out. A hanging tool 9 is engaged with the rotating tool 8, and a hanging tool 36 for hanging the discharge tube 6 is attached to a lower end of the hanging tool 9. The hanging tool 36 is pivotally supported on the hanging tool 9 so as to be vertically rotatable. That is, the rotating tool 8 is configured to be able to rotate horizontally together with the discharge cylinder 6. As shown in FIGS. 1 and 2, the plate-shaped hanging member 9 is provided with a plurality of locking portions 35 that engage with pins 31 provided on the side of the rotating tool 8. By changing the position of the locking portion 35 of the tool 9, the vertical angle of the discharge cylinder 6 can be adjusted. In FIG. 3, the tip of the pin 31 forms a header portion 32 having a diameter larger than the diameter of the pin 31.
The diameter is smaller than 5. The hanging member 9 does not necessarily have to be a plate-like body, but may be a rod or a rod. The shape of the locking portion 35 may be a hole or a cutout groove that is hooked from above the pin 31. With this configuration, it is not necessary to use a tool or the like even when changing the vertical angle of the discharge cylinder 6, and the vertical angle of the injection port can be easily adjusted. 9 to prevent the hooks 9 from coming off during the spraying operation.
Will not fall off. When the hanging tool 9 is in the form of a string, the vertical angle of the discharge cylinder 6 can be adjusted by rebinding. As shown in FIG. 4, an intermediate portion 4a of the bellows cylinder 4 is provided.
Is held by the holding tool 10 attached to the support rod 7 to such an extent that the bellows cylinder 4 does not shift downward. The holder 10 is fixed to a mounting bracket 12 welded to the support rod 7 with a nut 13. The holder 10 is formed by molding a round bar having a circular cross section into a U-shape and fitting it into the valley-shaped portion 40 of the bellows cylinder 4 in a side view. Since the trough-shaped portion 40 of the bellows cylinder 4 is held by the holder 10 having a circular cross section, when the bellows cylinder 4 is rotated together with the discharge tube 6, the bellows cylinder 4 slides on the holder 10 and is damaged. And the bellows cylinder 4 does not slip downward. According to the present invention, as shown in FIG. 5, the discharge cylinder 6 is hung from the rotating tool 8 at the tip of the support rod 7 by the hanging tool 9, so that the horizontal angle of about 250 degrees or more in front of the body 1 is obtained. The discharge port can be directed to a wide range, and the discharge port can be rotationally fixed in any direction.
If the discharge cylinder 6 is hung by the hanging tool 9 shown in FIG. 3, the vertical angle of the discharge port can be easily adjusted. [0011]

[Brief description of the drawings] FIG. 1 is a side view of the present invention. FIG. 2 is a rear view of the present invention. FIG. 3 is a partial perspective view of the embodiment of the present invention. FIG. 4 is a partial side view of the present invention. FIG. 5 is a partial plan view of the present invention. [Explanation of symbols] 1 aircraft 2 front wheels 3 Handle rod 4 bellows cylinder 5 Spraying device 6 release cylinder 7 Support rod 8 Rotating tools 9 Hanging equipment 10 Holder 4a Middle part

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Claims (1)

Claims: 1. A body (1) having a front wheel (2) in front of a body (1).
A traveling cart provided with a handlebar (3) that can be gripped and operated by an operator, and a power distribution device (5) having a bellows cylinder (4) mounted between the front wheel (2) and the handlebar (3). The support rod (7) is set upright in the vicinity of the spraying device (5) so as to be higher than the spraying device (5). A rotatable tool (8) is provided, and the rotatable tool (8) is provided with a suspending tool (9) for suspending the discharge tube (6), and a support rod is provided for supporting an intermediate portion (4a) of the bellows tube (4). (7) A self-propelled duster discharge direction adjusting device provided with a holder (10) for holding the duster in the vicinity.