JPH08308460A - Powdery agrochemical application cylinder holder in tractor-type agrochemical applicator - Google Patents

Abstract

PURPOSE: To provide the subject holder low in vertical shaking due to vehicle shaking and enabling uniformly applying a powdery agrochemical, having such a scheme that a powdery agrochemical application cylinder is pulled downward by a spring, lifted by a wire and kept horizontal. CONSTITUTION: A powdery agrochemical application cylinder 2 overhanging sideways is pulled downward by a spring 3 fixed on a vehicle 1, lifted by a wire 4 and kept horizontal; and a powdery agrochemical spoutedly fed from an agrochemical applicator on the side of the vehicle 1 through a blower 15 is guided and discharged from the jet nozzle 18 of the cylinder 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust tube holding device for a tractor dusting machine. It is possible to perform stable dusting by reducing the swinging of the dusting barrel that is projected to the side of the vehicle body for a long time. It can be used as a pest control machine and fertilizer applicator.

[0002]

2. Description of the Related Art In a tractor dusting machine for pesticide dusting, a long dusting barrel is held in a protruding state in the lateral direction of a tractor vehicle body, so that rocking occurs as the vehicle body travels. This is easy, and it is difficult for this rocking to smoothly eject the powder agent in the dusting cylinder. For this reason, it is common to hang it up with a buffer spring interposed, but it is difficult to prevent vertical swinging.

[0003]

The present invention is directed to a horizontal dusting posture in which a dusting tube 2 which projects laterally with respect to a vehicle body 1 is lifted up by a wire 4 against a spring 3 which pulls it down. The powder dust tube holding device of the tractor dusting machine is characterized in that

[0004]

[Advantageous Effects and Effects of the Invention] During the dusting work by the tractor dusting machine, the dusting cylinder 2 is in a dusting posture in which it is extended to the left and right sides of the vehicle body 1 and is blown from the duster on the vehicle body 1 side by blower While guiding the powdered powder, the powdered powder is ejected from the ejection holes arranged along the powdering cylinder 2. Tractor body 1
The dust-scattering tube 2 also tends to be swung by the vertical swinging or lateral vibration of the powder-sucking tube 2. However, since the dust-scattering tube 2 exerts a releasing force by the spring 3 and the wire 4 in the vertical direction, The vertical swing of can be reduced.

In this way, even if the dusting cylinder 2 is long, amplification swinging due to swinging of the vehicle body 1 is prevented, and the jetting in the dusting cylinder 2 can be carried out smoothly, and uniform dusting is achieved. Can be done. Moreover, since the pulling direction of the spring 3 and the hanging direction of the wire 4 are opposite to each other, the structure is simple.

[0006]

EXAMPLE A tractor vehicle body 1 has an engine E mounted on a front portion thereof, a cockpit 5 on a rear portion thereof, and a steering handle 6
This is a mode of four-wheel drive and four-wheel steering in which the front wheels 7 and the rear wheels 8 are steered by and the vehicle travels while being driven by the engine E. On the rear side of the vehicle body 1, a hitch 9 is provided with a detachable dusting machine 10. This dusting machine 10 has a tank 12 for containing a powder agent in an upper portion of a frame 11, and a delivery device 13 for delivering a powder agent that is rotated by a drive of an electric motor or the like is provided in a lower portion of the tank 12 and is delivered. A feeding cylinder 14 which receives the powder agent and guides it to the dusting tube 2, a dusting tube 2 which receives and guides the powdery agent delivered from this feeding tube 14, and an air blower which blows air from the feeding tube 14 toward the dusting tube 2. It has a blower 15 and the like.

The dusting tube 2 is horizontally provided in the horizontal direction in the lateral direction with respect to the frame 11, and connects the left and right side portions 2B to the left and right end portions of the central portion 2A. It has a hinge 16 that can freely rotate in the direction, and the central portion 2A and the left and right side portions 2B of the dusting tube 2 are directly and flexibly connected by a bellows 17. Further, the injection holes 18 are arranged downward in the central portion 2A and the left and right side portions 2B, and the powdered agent to be blown can be sprayed from the injection holes 18 to the crops below or the soil surface.

The dusting tube 2A at the center is composed of a frame 11
And attach it to the tip of the side dusting tube 2B.
9, the upper end of the mounting ring 19 and the frame 11
Is provided by pulling the wire 4 between the lower part of the attachment ring 19 and the lower part of the frame 11. The wire 4 is passed through the pulley 20 attached to the frame 11 and the hook 2 at the lower front part.
1 and is further connected to an arm 22 whose angle can be adjusted. The tension of the wire 4 can be adjusted by the angle of the arm 22. Reference numeral 23 denotes an external stop guide, which stops the wire 4 wound around the pulley 20 from floating and prevents the wire 4 from coming off the groove of the pulley 20.

At the time of non-working, the dusting tubes 2B on both the left and right sides are rotated around the hinge 16 with respect to the central portion 2A so as to be along the side surface portion of the vehicle body 1. In addition, as shown in FIG. 1, when one side is a ridge, the dust-scattering tube 2B on this ridge side
Is stored in the side part of the vehicle body 1 and only the dust-scattering cylinder 2B on the other side is laterally projected outward so that the dust can be scattered. As for the dusting action, when the blower 15 is driven to blow air to the dusting tube 2, the powdering agent in the tank 12 is fed out by the driving of the feeding device 13,
The powder is blown from the feeding cylinder 14 to the central dusting cylinder 2A, and further to the side dusting cylinder 2B, is jetted downward from the respective injection holes 18 arranged in these dusting cylinders 2A and 2B, and is sprayed on a crop or the like. .

During such a dusting operation, when the dusting barrel 2 is laterally extended, the long dusting barrel 2 is likely to be greatly amplified and swung up and down due to the swinging of the vehicle body 1 during traveling. However, at this time, the dusting tube 2 is pulled downward by the spring 3 and is pulled upward by the wire 4 against the spring 3, so that the initial tension is always working, and the dusting tube 2 To reduce the oscillation amplification of. Therefore, the powder agent is smoothly delivered from the delivery cylinder 14 to the dusting cylinder 2 and the air is blown into the dusting cylinder 2.

In FIG. 5, the point different from the above example is that the blown air volume of the blower 15 is adjusted by the combination of the filters 25 and 26 at the suction port 24. It tries to obtain a good air flow. A coarse mesh filter 25 and a thin mesh filter 26 are prepared and attached to the suction port 24, and these filters 25 and 26 can be combined. Attach a coarse filter 25 to increase the air volume, and a thin filter 26 to decrease the air volume.
Install both filters, and use both filters 25 and 26 to reduce the number.
Polymerize and attach. This not only has a dustproof effect at the time of inhaling the outside air, but can also change the air volume without changing the rotational speed of the fan, the engine, or the like. 27 is an outlet.

In FIG. 6, the difference from the above example is that the filter 2 is used to adjust the amount of backflow of the blower 15.
A blind type fin 28 is provided in place of 4, 26,
The suction amount of outside air is adjusted by adjusting the angle of the fins 28. In FIG. 7, the difference from the above example is that each of the injection holes 18 in the dusting cylinder 2 has a predetermined area, and the powdered granules blown into the powder collide with each other to collide with each other. A resistance plate 29 for guiding to the hole 18 side is provided so that each injection hole 1
The amount of spray from 8 is adjusted. Resistor plate 2 in the example
9 is a donut shape, and a through hole portion 30 is formed in the central portion, and a gap portion 32 is formed on the outer periphery except for the attachment portion 31. The resistance plate 29 is inclined α toward the injection hole 18. Further, the size and shape of the resistance plate 29 of each portion may be changed.

In FIG. 8, the difference from the above example is that a tip nozzle 34 having a wind direction fin 33 is detachably provided at the tip of the dusting tube 2B, and the wind direction fin 33 rotates.
Through replacement, the spraying direction, spraying area, etc. can be changed according to the conditions. Reference numeral 35 denotes a cover, which can be rotated around the pin 36 with respect to the tip nozzle 34 to change and adjust the ejection angle. The wind direction fins 33 are separated by front and rear partition fins 37 in the tip nozzle 34 so that the front and rear wind direction fins 33 have different inclination angles.

In FIG. 9, the difference from the above example is that a cover 38 is attached to the tip of the dusting tube 2, and a small diameter injection hole 39 is provided in this cover 38. This cover 3
No. 8 has a circular injection hole 39 formed in a thin plate, and is formed in a convex arcuate curved surface directed obliquely downward so as to uniformly eject and disperse the powder agent, granule agent or the like to be dispersed. In FIG. 10, the point different from the above example is that the resistance plate 29 in the dusting tube 2 is attached at each injection hole 18 part, and attachment / detachment or position adjustment is easily performed. For this reason, the hook-shaped bracket 40 is seen through the injection hole 18 and attached by the bolt 41, and the resistance plate 29 is attached to the bracket 40 by the bolt 42. In addition, the resistance plate 29 for the bracket 40
The mounting position can be moved by adjusting the position of the bolt 42 in the long hole 43 of the bracket 40, and the protruding height of the resistance plate 29 into the dusting tube 2 can be adjusted.

In FIG. 11, a difference from the above example is that the connecting portion between the central portion 2A and the side portion 2B of the dusting tube 2 is bellows 17.
In the configuration in which the parts are connected to each other, a squeezing cylinder 44 having a narrowed inner diameter is provided at the end of the central part 2A, and the bellows 1 is provided when blowing the powder or granules.
The resistance of 7 parts is reduced. In FIG. 12, the point different from the above example is that the front end portion of the dusting tube 2B is formed into a narrow width B by forming the front and rear side surfaces as flat surfaces 45 within the cylindrical diameter A of the dusting tube. The distribution of the granular material in the front-back direction is small and the distribution is stable. Reference numeral 46 is a guide plate mounted in the tip portion.

In FIG. 13, the point different from the above example is that the blowers 15 are separately connected so as to blow air to the left and right dusting tubes 2. Further, the dusting cylinders 2 have their base portions overlapped with each other on the left and right sides to facilitate the adjustment of the amount of spraying on this base portion. Reference numeral 47 is a blower hose that connects the air outlet 27 of the blower 15 and the base of the dusting tube 2. The feeding cylinder 14 is connected to the base of the dusting cylinder 2 and can feed the powder and granules.

[Brief description of drawings]

FIG. 1 is a rear view of a tractor dusting machine.

FIG. 2 is a side view thereof.

FIG. 3 is an enlarged plan view of a part thereof.

FIG. 4 is an enlarged side view of a part thereof.

FIG. 5 is a rear view of the blower and a perspective view of a part thereof.

FIG. 6 is a side view of a blower showing another embodiment.

7A and 7B are a front view and a side view of a powdery cylinder injection hole portion showing another embodiment.

FIG. 8 is an exploded perspective view of a tip portion of a dusting cylinder showing another embodiment, and a front view and a side view of a part thereof.

FIG. 9 is a rear view of the tip of the dusting tube showing another embodiment,
Its side view.

FIG. 10 is a front view of a resistance plate mounting portion showing another embodiment.
Side view, bottom view.

FIG. 11 is a front view of a dusting cylinder showing another embodiment.

FIG. 12 is a front view of a tip of a dusting cylinder showing an embodiment of another part;
Top view, side view.

FIG. 13 is a rear view of a dusting machine showing another embodiment.

[Explanation of symbols]

 1 vehicle body 2 dusting tube 3 spring 4 wire

Claims (1)

[Claims] 1. A wire 4 which extends upward from a spring 3 which pulls down a dusting tube 2 which projects laterally with respect to a vehicle body 1.
A device for holding a dust tube of a tractor duster, characterized in that it is lifted up and held in a horizontal dusting posture.