JP4934827B2 - Tire rear spray device - Google Patents

Description

The present invention relates to a tire rear spraying device that functions in a spraying operation of a herbicide or the like by a riding management machine having a spraying boom in front of a traveling machine body. The present invention also relates to a spreading vehicle including the tire rear spreading device.

  Conventionally, a passenger management machine having a spraying boom in front of a traveling machine body has been provided (see Japanese Patent No. 3613315, Japanese Patent No. 3673428, etc.). When spraying herbicides and the like by the riding management machine, the herbicides sprayed from the spray nozzle provided on the spraying boom in front of the traveling machine body is stepped on by the tires of the riding management machine, There has been a problem that the medicinal effect of the heel portion formed by the tire is reduced.

Therefore, in order to maintain the medicinal effect of the cocoon part, it is necessary to respread herbicide or the like on the cocoon part again, but this spraying has a problem that it takes time and labor.
Japanese Patent No. 3613315 Japanese Patent No. 3673428

  In view of the above circumstances, the present invention performs spraying of the herbicide or the like on the heel portion behind the tire in accordance with the spraying of the herbicide or the like by the spray boom in front of the traveling machine body, thereby improving the efficiency of the spraying work. In this case, the spraying of the herbicide or the like on the heel portion behind the tire does not deviate from the heel formed on the rear side of the tire even when the traveling machine body is turning, and follows the heel. The purpose is to perform spraying to maintain the medicinal effect of the heel part. Another object of the present invention is to be able to be used as a tire cleaning device that restores the original running torque during operation and running because mud, dirt, etc. attached to the tire lowers the tire grip.

To achieve the above object, a tire rear spraying device of the present invention is a tire rear spraying device that is attached to a traveling machine body having a tire and a knuckle portion for steering the tire, and includes a base end portion and a tip end portion. And a spray nozzle provided at the distal end portion of the support rod, wherein the base end portion is attached to the knuckle portion in the attached state to the traveling machine body, and the support rod is the tire. It is possible to spray the tire always on the heel regardless of the steering of the tire, with the layout in which the spray nozzle extends downward substantially parallel to the rear and the spray nozzle faces downward at the rear position of the tire. it is an (claim 1).

  The present invention is applied to a riding management machine having the spreading boom in front of the traveling aircraft body, and when the trajectory of the front tire and the rear tire is different, not only the rear tire but the front tire Also applies.

  Although the details of the present invention are not shown, the spray nozzle provided at the tip of the support rod and downwardly at the rear position of the tire communicates with the spray boom in front of the traveling machine body. Or used in communication with a chemical pump or the like provided separately.

  And in accordance with the traveling of the traveling machine body, the spraying of the herbicide and the like from the spray nozzle provided in the spraying boom provided in front of the traveling machine body is performed, and in accordance with the spraying of the herbicide etc. in the front, The spraying of the herbicide or the like is also performed from the spray nozzle provided at the tip of the support rod toward the rod formed behind the tire.

  In the present invention, since the base end portion of the support rod is attached to a knuckle portion that steers the tire, the direction of the tire temporarily changes as the traveling vehicle body turns. However, the spray nozzle provided at the tip of the support rod does not come off from the rod formed at the rear of the tire. Therefore, after passing through the traveling machine body, the herbicide or the like is uniformly sprayed including the heel portion.

  An embodiment of the present invention is characterized in that the support rod is configured to be foldable at a substantially intermediate portion and to maintain a folded state (Claim 2). According to one embodiment of the present invention, when the traveling machine body that does not perform the spraying operation is traveled, when the work is finished, and when it is stored, the support rod is folded and formed into a compact shape so that it can be in contact with people and objects It is possible to prevent damage to the apparatus due to the above.

In one embodiment of the present invention, the mudguard plate is supported by the support rod so that the mudguard plate is positioned between the tire and the spray nozzle in a state where the tire rear spraying device is attached to the traveling machine body. characterized in that allowed (claim 3). According to this embodiment, it is possible to prevent the spray nozzle from being soiled by mud splashing of the tire. As another embodiment, the direction of the spray nozzle can be changed so that the spray nozzle faces the tire direction when the tire rear spray device is attached to the traveling machine body. Item 4). In this way, in a state where the tire rear spraying device is attached to the traveling machine body, the tire is automatically washed by running while spraying fresh water or the like with the spray nozzle directed toward the tire. Can do.

The spreading vehicle which concerns on this invention is a spreading vehicle provided with the said tire back spreading device. That is, a traveling machine body having a tire and a knuckle part that steers the tire, a spraying boom disposed in front of the traveling machine body, a base end part attached to the knuckle part, and a spraying to a tip part A support rod to which a nozzle is attached, and the spray nozzle is supported on the knuckle portion by the support rod so that the spray nozzle faces downward just behind the tire, thereby spreading from the spray boom. In addition to this, it is a sprayer that can always spray on the heel of the tire regardless of the steering of the tire.

  According to the present invention, it is possible to spray the herbicide or the like on the heel portion behind the tire in accordance with the spraying of the herbicide or the like by the spray boom in front of the traveling machine body. . At that time, the spraying of the herbicide or the like on the heel portion behind the tire does not deviate from the heel formed at the rear of the tire even when the traveling vehicle is turning, and follows the heel. The medicinal effect of the heel part can be maintained. In addition, it has an effect that can be used as an automatic tire cleaning device.

  Hereinafter, an embodiment for carrying out the present invention will be described with reference to the accompanying drawings. FIG. 1 is a partially cutaway side view of a tire rear spraying device section according to one embodiment of the present invention, and FIG. 2 is a plan view showing the relationship between the tire rear spraying device and tire according to one embodiment of the present invention. FIG. 3 is a partially cutaway side view showing another embodiment of the present invention, FIG. 4 is a plan view of the main part of FIG. 3, and FIG. 5 is a passenger having a spray boom in front of the traveling machine body. It is a partially omitted plan view showing an example of a management machine.

  FIG. 5 is an example of a riding management machine having a spreading boom 21 in front of the traveling machine body 20, and has a front tire 22 and a rear tire 23.

  In the figure, 24 is a spray nozzle provided on the spray boom 21 at a predetermined interval, 25 is a chemical tank, 26 is an internal combustion engine, 27 is a driver's seat, 28 is a steering handle, 29 is It is a chemical pump. Reference numerals 30 and 31 denote ridges.

  FIG. 1 shows a tire rear spraying device of the present invention. That is, the base rod 2a is attached to the knuckle portion 1 that steers the rear tire 23 (and the front tire 22), and the support rod 2 extends rearward substantially parallel to the rear tire 23, and the support rod 2 and a spray nozzle 3 provided at the rear position of the rear tire 23 downward.

  In one embodiment of the drawings, the base end portion 2a of the support rod 2 is attached to the knuckle portion 1 with a bolt 4 or the like, and a tip end portion 2b is bent toward the rear of the rear tire 23, The spray nozzle 3 is provided downward. In the drawing, 5 is a chemical solution supply hose to the spray nozzle 3, and 6 is a reinforcing rod for the support rod 2, and is provided from the knuckle portion 1 by bolts 7.

  Further, a mudguard plate 8 is interposed between the rear tire 23 and the spray nozzle 3. In one embodiment of the drawings, the mudguard plate 8 is provided from a mounting portion of the spray nozzle 3.

In the tire rear spraying device having the above- described configuration, the base end portion 2a of the support rod 2 is attached to the knuckle portion 1 and the support rod 2 is substantially parallel to the rear tire 23 when attached to the traveling machine body 20. When the direction of the rear tire 23 is changed by steering, such as when the traveling machine body 20 is turning , the layout is such that the spray nozzle 3 faces downward at the rear position of the rear tire 23. Even so, as shown in FIG. 2, the spray nozzle 3 is always located directly behind the rear tire 23. Therefore, the spraying of the herbicide and the like is performed following the heel 31 without detaching from the heel 31 (and further the heel 30) formed behind the rear tire 23.

3 and 4 show another embodiment. That is, the support rod 2 is configured to be foldable at a substantially intermediate portion and to maintain the folded state.

Specifically, the support rod 2 is divided into a fixed-side support rod 2c and a swing-side support rod 2d at a substantially intermediate portion, and a joint fitting 9 is provided at the tip of the fixed-side support rod 2c.
The joint bracket 9 is configured such that the rear end portion of the swing side support rod 2d is pivotally supported by a pin 10 and can be folded upward.

Further, the folded state after the upward folding is maintained by the swing side support rod 2d.
For example, the rear end portion is fixed to the joint fitting 9 by a thumbscrew 11. However, the folding direction, the folding method, and the folding state maintaining means are not limited to the above means, and various known methods can be adopted.

In an aspect in which the mudguard plate 8 is not provided, it is preferable that the direction of the spray nozzle 3 is changeable in the tires 22 and 23 direction. The configuration is such that the tip 3b of the support rod 2 is supported so as to be swingable in the direction of the tires 22 and 23 without fixing the spray nozzle 3 portion, and is also configured to be fixed. Done. The tire can be automatically washed by running while spraying fresh water or the like with the spray nozzle directed toward the tire.

It is a partially cutaway side view of a tire rear spraying device section according to an embodiment of the present invention. It is a top view which shows the relationship between the tire back spraying apparatus which concerns on one embodiment of this invention, and a tire. It is a partially notched side view which shows other one Embodiment of this invention. It is a top view of the principal part of FIG. It is a partially abbreviated top view which shows an example of the riding management machine which has a spreading | diffusion boom in front of a traveling body.

Explanation of symbols

1 Knuckle 2 Support rod 3 Spray nozzle 8 Mudguard plate

Claims (5)

A tire rear spraying device attached to a traveling machine body (20) having a tire (22, 23) and a knuckle part (1) for steering the tire (22, 23),
A support rod (2) having a proximal end (2a) and a distal end (21b);
A spray nozzle (3) provided at the tip (21b) of the support rod (2),
In the attached state to the traveling machine body (20),
The proximal end (2a) is attached to the knuckle part (1);
The support rod (2) extends rearward substantially parallel to the tire (22, 23),
By adopting a layout in which the spray nozzle (3) faces downward at the rear position of the tire (22, 23),
A tire rear spraying device characterized in that the tire (22, 23) can always be sprayed on the heel regardless of the steering of the tire (22, 23) .   The tire rear spraying device according to claim 1, wherein the support rod (2) is configured to be foldable at a substantially intermediate portion and to be able to maintain a folded state. Wherein as mud except plate between said tire (22, 23) and said spray nozzle (3) in the mounted state of the to traveling machine body (20) of the tire rear spraying device (8) is positioned, said support rod The tire rear spraying device according to claim 1 or 2 , wherein the mudguard plate (8) is supported on (2) . The orientation of the spray nozzle (3) can be changed so that the spray nozzle (3) is directed toward the tire (22, 23) when the tire rear spray device is attached to the traveling machine body (20). the tire rear distribution apparatus of claim 1 or 2. A traveling machine body (20) having a tire (22, 23) and a knuckle part (1) for steering the tire (22, 23);
A spreading boom (21) disposed in front of the traveling machine body (20);
A support rod (2) having a proximal end (2a) attached to the knuckle part (1) and a spray nozzle (3) attached to the distal end (2b);
With
By supporting the spray nozzle (3) on the knuckle part (1) by the support rod (2) so that the spray nozzle (3) faces downward just behind the tire (22, 23), In addition to spraying from the spray boom (21), the sprayer can always spray on the tire (22, 23) regardless of the steering of the tire (22, 23). .

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