JPH1075701A - Spray nozzle supporting structure for self-propelled sprayer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure which is a spray nozzle supporting structure for spray on an elevated spot adoptable to a self-propelled sprayer, capable of making the top of a spray nozzle strut and a spray pipe not excessively high in a lowered state of the spray pipe during an unsprayed time such as a delivery time. SOLUTION: A spray nozzle strut 2 standing on a self-propelled sprayer is slidably engaged with a vertically long spray pipe stay 3 externally. A difference in height is made between an insertion position of a lock nut 4 of the spray pipe stay 3 and a fitting part 14a of a spray pipe 14 so that the position of the fitting part 14a of the spray pipe can be located higher than the top of the spray nozzle strut 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-propelled sprayer, for example, a type in which a chemical tank is mounted on a crawler-type or wheel-type traveling device, or connected to a separately installed chemical tank. The present invention relates to a mounting support structure for an injection hole adapted to a spray operation to a high place, such as a type in which a hose is wound and run while being pulled out.

[0002]

2. Description of the Related Art Conventionally, a self-propelled sprayer in which a chemical solution tank is mounted on a crawler type or wheel type traveling device and an injection hole is supported at a rear end of a vehicle body is known. 5
9-27854, Heikai 4-957, Heihei 6-416
66, Japanese Utility Model Laid-Open No. 7-28376, Japanese Patent Laid-Open No. 7-255347
And the like. Among these, as for the support structure of the injection hole, two vertical spray pipes having an injection hole at the rear end of the vehicle body are provided in a pair on the right and left, or the vertical support pipe is provided with the injection hole. It is a structure that supports a horizontal spray tube. Some have a structure in which a vertical spray pipe having an injection hole is rotatable left and right to avoid uneven spray. Also, there is a type in which a hose is connected to a separately installed chemical solution tank, and the hose is wound up or unwound, and travels in a remote automatic control type. The same is true.

[0003]

The self-propelled sprayer itself can be applied to various spraying operations. However, depending on the object to be sprayed, the spraying operation is actually performed unless the support structure of the injection hole is changed in accordance with the spraying operation. Abnormal on the above. When performing spraying work at a high place, as the corresponding injection hole support structure, it is conceivable to raise the upper end of the injection hole support or attach a long spray pipe upward to the conventional spray support, In this case, there is a limit even if it is desired to lower these top positions during transportation, etc.For example, they may be stuck at the eaves at the entrance of the house, or these upper positions may be too high during truck transportation, and they will not pass under the guard. Problems arise.

[0004]

According to the present invention, the following means are used to solve the above-mentioned problems in high-altitude spraying employed in a self-propelled sprayer. That is, in a structure in which a stay that attaches a spray tube having an injection hole to a vertical injection hole support standing upright on a self-propelled sprayer is slidable up and down and can be fixed in position with a fixing screw. The length of the stay is lengthened so that the spray tube mounting portion is higher than the fixing screw fitting portion, so that the spray tube mounting portion can be disposed above the upper end of the nozzle hole support.

[0005]

Embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a perspective view of a self-propelled sprayer that performs a spraying operation using a spray pipe 5 attached to a spray pipe stay 3 for high-altitude spraying, and FIG. 2 illustrates an attachment structure of the spray pipe stay 3 to an injection hole support 2. FIG. 3 is a front view of the upper part of the spray pipe 5 similarly, FIG. 4 is a perspective view of a self-propelled sprayer that performs spray work with the spray pipe 5 attached to a conventional spray pipe stay 3 ′, FIG. 5 shows a conventional spray tube stay 3 ′ for the injection hole support 2.
FIG. 6 is a front view of a self-propelled sprayer mounted with a chemical tank, FIG. 7 is a rear view of the same,
FIG. 8 is a side view, FIG. 9 is a plan view, and FIG. 10 is a perspective view showing a spraying operation of a hose feeding type self-propelled sprayer.

First, there are two types of self-propelled sprayers that employ the injection hole support structure of the present invention. One is a chemical liquid tank mounted type shown in FIGS. 6 to 9, and the other is a hose extension type shown in FIG. The former is applied to spraying work with a person in front of the vehicle body while the vehicle is running.The vehicle body is equipped with a chemical solution tank, and the chemical solution or water in the mounted chemical solution tank is sprayed with holes. Spray more. The latter promotes unmanned operation in the whole process, such as in a house, and the sprayer is provided with a drive device on the vehicle body itself, or is driven by remote control. For example, in FIG. 10, when the sprayer A moves in the front-rear direction, it is driven to run by its own driving device, and when the sprayer A moves in the lateral direction, the rail R
The sprayer A is mounted on a trolley B that can move upward, a wire W is connected to the trolley B from a winch C, and the entire trolley B is pulled. The chemical solution tank T 'is separately installed, and the hose H is connected to the sprayer A via the hose winding machine D from the chemical solution tank T', and the sprayer A (or the cart B) is moved. The hose H is wound up and fed out.

The injection hole support structure shown in FIGS. 1 to 5 is used in the self-propelled sprayer mounted on a chemical tank shown in FIGS. 6 to 9 in FIG. It may be used for a type.

The structure of a self-propelled sprayer mounted on a chemical tank will be described with reference to FIGS. First, as a traveling device, rolling wheels 7 and 8 and an idler 9 are suspended on the left and right sides of the traveling frame 1, and the driving sprockets 6 are disposed on the left and right sides of a traveling mission case M disposed immediately before the traveling frame 1. And a crawler 10 is wound around a drive sprocket 6, rolling wheels 7, 8 and an idler 9 disposed on the same side.

A power section support frame 11 is provided above and in front of the traveling frame 1 to extend therefrom.
An engine E and a dynamic injection P are mounted on 1. A handle 12 is provided upright from the power support frame 11 to an upper portion of the engine and the dynamic jet P, and an operation box 13 having several levers is disposed above the handle 12. A chemical solution tank 1 is mounted on the traveling frame 1 behind the power unit formed in this manner, and an injection hole support 2 is erected from the rear end of the traveling frame 1 behind the chemical solution tank T, A chemical solution outlet 5 from the chemical solution tank T is provided near the base end of the nozzle hole support 2, and a chemical solution hose 15 (shown in FIG. 1) that extends from a spray pipe 14 described later is provided here. Are connected.
A spray tube stay 3 for attaching a spray tube 5 to be described later is externally slidably fitted to the injection hole support 2 and can be fixed in position by a fixing screw 4.

In the spraying operation, the operator operates the steering wheel 12 and operates levers while standing in front of the running vehicle body and watching the spraying state of the injection holes supported by the rear spraying column 2. To carry out the spraying operation. Of course, with the remote control type, the operator can control the traveling and spraying without being near the vehicle body.

An injection hole support structure for high-altitude spray according to the present invention will be described with reference to FIGS. First, in the case of the prior art, as shown in FIGS. 4 and 5, the length of the stay 3 'externally fitted to the injection hole support 2 is short, and the fitting position of the fixing screw 4 and the spray pipe mounting portion 3'a
There is almost no height difference. The upper limit of the fixing screw 4 is, of course, lower than the upper end of the injection hole support 2. Therefore, in the conventional case, the spray pipe mounting portion 3 ′ a almost has the upper end position of the injection hole support 2 as the upper limit position. It was not possible to cope with the case where the spray pipe 14 was to be arranged higher than that.

What is considered when spraying at such a high position is that the injection hole column 2 itself is made longer, that is, its upper end is made higher, and the spray pipe 14 itself is made longer and its upper end position becomes larger. Can be increased. However, in the former case, the nozzle support 2 of the stay 3 ′
No matter how low the outer fitting position is, the upper end position of the injection hole support 2 itself is high, so that, for example, when passing through an entrance of a low eaves house, the injection hole support 2 interferes with the eaves at the entrance. When a problem occurs, or when transporting by truck, since the upper end of the injection hole support 2 of the self-propelled sprayer placed on the loading platform is high, trouble such as, for example, not passing under the guard may occur. Becomes In the latter case, the lower end of the spray tube 14 can be lowered by lowering the position of the stay 3 ′ fitted onto the nozzle hole column 2. However, if the stay 3 ′ is lowered too much, the lower end of the spray tube 14 can be lowered. Stays on the ground, so stay 3 'has a lower limit position. Therefore, if it is lower than that, the upper end position of the spray tube 14 cannot be lowered.

Therefore, as shown in FIGS. 1 and 2, a stay 3 having a long length in the vertical direction is externally fitted to the injection hole support 2 to increase the height difference h between the spray tube mounting portion 3a and the fitting portion of the fixing screw 4. In this case, even if the upper limit position of the fixing screw 4 is lower than the upper end of the injection hole support 2, the spray pipe mounting portion 3 a can be made higher than the upper end of the injection hole support 2. The height of the upper end of the can be increased. (The maximum height difference from the upper end of the injection hole support 2 can be reduced to approximately h.) When it is desired to lower the upper end position of the spray pipe 14 at a transportation site or the like, the stay 3 can be slid downward. The length of the injection hole support 2 is also the spray pipe 1.
4 is the same as the conventional case of FIGS. 4 and 5,
Each upper end position can be lowered so as not to hinder conveyance or the like.

The spray tube 14 used in this embodiment is
As shown in FIG. 3, the upper end is provided with pivotal injection holes 14a, 14a which are pivotally flexibly pivoted via spherical joints or the like on both sides, and below the both sides of the spray pipe 14 below. , Fixed injection holes 14b, 14b,.

[0015]

According to the present invention, since the injection hole support structure for spraying at a high place of the self-propelled sprayer is as described above, the following effects are obtained. That is, by configuring as in claim 1, the length of the stay is changed without changing the length of the nozzle hole support and the spray tube from the conventional one, and the spray tube mounting portion is made higher than the fixing screw fitting portion. Then, if you slide the stay upward,
The spray pipe mounting portion can be arranged higher than the upper end of the nozzle hole post, and the upper end of the spray pipe can be made higher by that amount to enable spraying at a high place. When the stay is slid downward at the time of transportation, the lengths of the injection hole support and the spray tube are the same as before, so that their upper end positions can be reduced to the conventional level. (For example, it can be used for eaves at the entrance of a house, or used under a guard when transporting a truck) can be avoided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a self-propelled sprayer that performs a spraying operation by a spray pipe 14 attached to a spray pipe stay 3 for high-altitude spray.

FIG. 2 is a partial cross-sectional side view partially showing a structure for attaching a spray tube stay 3 to an injection hole support 2;

FIG. 3 is a front view of the upper part of the spray pipe 14;

FIG. 4 is a spray tube 1 attached to a conventional spray tube stay 3 ′.
It is a perspective view of the self-propelled sprayer which performs a spraying operation in 4.

FIG. 5 is a partial cross-sectional side view partially showing a mounting structure of a conventional spray tube stay 3 ′ to an injection hole support 2.

FIG. 6 is a front view of a self-propelled sprayer mounted on a chemical liquid tank.

FIG. 7 is a rear view of the same.

FIG. 8 is a side view of the same.

FIG. 9 is a plan view of the same.

FIG. 10 is a perspective view showing a spraying operation of a hose extension type self-propelled sprayer.

[Explanation of symbols]

 T Chemical liquid tank 1 Traveling frame 2 Injection hole support 3 Stay 4 Fixing screw 14 Spray tube 14a Spray tube attachment part 14a Rotating injection hole 14b Fixed injection hole 15 Chemical liquid hose

Claims (1)

[Claims] 1. A stay in which a spray tube having an injection hole is attached to a vertical injection hole support standing upright on a self-propelled sprayer so as to be vertically slidable and positionally fixable by a fixing screw. In the above structure, the length of the stay is lengthened so that the spray tube mounting portion is higher than the fixing screw fitting portion, so that the spray tube mounting portion can be arranged above the upper end of the nozzle hole support. Injection hole support structure for self-propelled sprayer.