JPH08155362A - Atomizing part support structure of self-propelled atomizer - Google Patents

Abstract

PURPOSE: To provide a structure by which liquid chemicals are efficiently sprayed in a self-propelled atomizer. CONSTITUTION: In a self-propelled atomizer mounted with an atomizing part for spraying liquid chemicals, a supporting rod 3 is erected at the front end of the self-propelled atomizer, a pivotally supporting body 5 is freely rotatably and pivotally supported on the supporting rod 3, an arm 7a is extended downward from the pivotally supporting body 5, a weight 6 is arranged at the lower end of the arm, a jet port 1 is arranged above the pivotally supporting body 5, and the jet part is kept at a fixed angle to the horizontal surface. The jet port 1 is fixed at the arm 7b arranged on the front part of the body of the self-propelled atomizer. A rotating supporting point is installed below a fixed plate 8, and a long hole 8a is installed above it around the rotating supporting point to fix it so that an angle may be adjusted to the arm, and also a scale for indicating an atomization arrival distance corresponding to atomizing pressure and a fitting angle is provided on the fixed plate 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for efficiently spraying a chemical solution in a self-propelled spraying machine.

[0002]

2. Description of the Related Art Conventionally, in a self-propelled sprayer, a spray port is arranged at a front part to form a spraying section, a reel is housed in a traveling machine body, a hose is fed out as the vehicle travels, and is wound when returning. It was The support part of the spray part of this self-propelled sprayer was integrally attached to the machine body. Further, in the spraying work, the mounting angle of the injection port for spraying the chemical liquid was fixed, and the spray pressure was also constant.

[0003]

However, if the nozzle is integrally attached to the machine body as in the prior art, when the machine body is tilted to the left or right due to the unevenness of the field, the spray angle changes and some areas are not sprayed. Was there. Further, in order to set the pest control work range, spraying is once performed, the reaching distance of the chemical liquid is grasped, and then the attaching angle of the injection port is changed to change the reaching distance. Therefore, in order to adjust the reaching distance, it is necessary to spray on a trial basis, and there is no reference, so the adjustment depends on the feeling and lacks accuracy.

[0004]

The present invention uses the following means in order to solve the above problems. That is, in a self-propelled sprayer equipped with a spraying section for spraying a drug solution, a support pillar is erected at the front end of the self-propelled sprayer, and a pivot body is rotatably supported on the support pillar. An arm is extended below the pivot body, a weight is arranged at the lower end of the arm, and a nozzle is arranged above the pivot body so that the nozzle can be maintained at a constant angle with respect to the horizontal plane. Further, the spray port is configured to be fixed to an arm arranged at the front part of the body of the self-propelled sprayer via a fixing plate, a rotation fulcrum is provided below the fixing plate, and the rotation fulcrum is provided above the rotation fulcrum. A long hole centered at is provided to fix the arm to the arm so that the angle can be adjusted, and the fixed plate is provided with a scale of the spray reaching distance corresponding to the spray pressure and the mounting angle.

[0005]

According to the present invention, by using the above-mentioned means, even if the traveling portion is tilted to the left or right due to the gravity of the weight, the pivot body is rotated and the spray portion is constantly held at a constant angle with respect to the horizontal. . Further, when fixing the injection port, the attachment angle can be easily determined by fixing the injection port in accordance with the pressure and the scale of the fixing plate engraved with the spray distance with respect to the attachment angle.

[0006]

The problems and configurations to be solved by the present invention are as described above, and one embodiment of the present invention shown in the accompanying drawings will be described below. 1 is a side view of a self-propelled sprayer adopting the present invention, FIG. 2 is a plan view of the self-propelled sprayer, FIG. 3 is a front view of the self-propelled sprayer, and FIG. 4 is a nozzle of the present invention. 6 is a front view showing the fixing mechanism of FIG. 5, FIG. 5 is a side sectional view showing the fixing mechanism of the nozzle, FIG.
[Fig. 4] is a front view of a fixing plate of a nozzle.

An embodiment of the self-propelled spraying machine A equipped with the spraying section C will be described. 1 to 3, the self-propelled spraying machine A includes a crawler traveling device B, and a orbital band 31d is wound between a drive wheel 31a, a tension roller 31b, and idle rollers 31c, 31c. The drive wheel 31 a is rotated, is pivotally supported by an axle provided to project from the mission case M, and is driven by power from the engine E. 31e is a tension device.

A chassis 3 is mounted on the crawler traveling device B.
2 is mounted, an engine E is arranged in the front part of the chassis 32, and a fuel tank 33 is arranged above the engine E. The power of the engine E is transmitted to the drive wheels 31a, 31a via the transmission case M, and at the same time, the reel 34 arranged in the rear portion of the chassis 32 can be rotationally driven. A chemical hose 35 is wound around the reel 34, covered with a reel cover 36, and the engine E is covered with an engine cover 37.

Guide rollers 38, 38 are arranged at the rear end of the chassis 32 to guide the chemical solution hose 35, and the handle 39 is projected rearward and upward from both sides of the rear part of the chassis 32 to the front of the grip 39a at the rear end. Operation panel 4 on the part
0 is fixed, and the operation panel 40 is provided with finger-operated clutches 41, 41 for running and disengaging the traveling drive, an engine start switch 42,
An accelerator lever 43, a main spray cock, and a pressure adjusting lever 45 are provided, and side clutch levers 46, 46 for individually disconnecting the power of the left and right crawler traveling devices B are arranged on both left and right sides of the grip 39a. .
A traveling speed change lever 47 projects from the rear of the chassis 32.

The self-propelled sprayer A is fed with a chemical solution from an external tank by an external pump, and is pressure-fed to the self-propelled sprayer A through a chemical solution hose 35. The control work is performed by reciprocating traveling, the chemical solution hose 35 is pulled out at any time as the self-propelled sprayer A advances, and when the vehicle moves backward, the reel 34 obtains power from the mission case M. The chemical solution hose 35 is housed inside the self-propelled sprayer A by winding and rotating. Further, since the chemical solution hose 35 is guided by the guide roller 38, it can be easily drawn out and stored.

Further, the spraying section C of the present invention is arranged in front of the engine E, and a supporting column 3 is erected at the center of the front end of the chassis 32 in the left-right direction, as shown in FIGS. 4 and 5. ,
An adjusting portion 4 is vertically slidably fitted to an intermediate portion of the supporting column 3, and a screw or the like is screwed into the adjusting portion 4 from the side to fasten the supporting column 3 to an arbitrary height. It can be fixed in position. Further, a support body 4a is formed on the front surface of the adjusting portion 4, and a support pin 4b is horizontally projected from the front portion of the support body 4a.

A pivot 5 is rotatably supported on the support pin 4b via a bearing. An arm 7a is provided so as to project from the lower portion of the pivot body 5, and a weight 6 is fixed to the tip of the arm 7a. Further, an arm 7b is provided on the upper part of the pivot body 5, a fixing plate 8 is fixed to the arm 7b with a screw or the like, and the nozzle 1 is attached to the fixing plate 8. The weight 6 is heavier than the nozzle 1 or the fixed plate 8 having the arm 7b attached, and when the self-propelled sprayer A is running, even if the machine body sways due to unevenness in the field,
Due to the weight of the weight 6, the arms 7a and 7b are moved to the pivot body 5
By rotating around the center, the nozzle is constantly positioned in the vertical direction, and the spray angle by the injection port 1 is maintained at a constant angle with respect to the horizontal direction.

Further, a rotation fulcrum hole 8b is opened at the center of the lower portion of the fixed plate 8, and an arc-shaped elongated hole having the rotation fulcrum hole 8b as the center is formed in the substantially central portion of the fixed plate 8 above the fixed plate 8. 8a is opened, and fixing holes 8c, 8c, ... For fixing the nozzle 1 are opened in the upper part of the fixing plate 8. Then, a fulcrum screw 12b is inserted into the rotation fulcrum hole 8b, a fixing screw 12a is inserted into the elongated hole 8a, and screwed into the arm 7b,
The fixing plate 8 and the injection port 1 can be fixed at an arbitrary angle by rotating the fixing plate 8 left and right around the fulcrum screw 12b and tightening the fixing screw 12a at a desired position. Then, the base portion 1a of the nozzle 1 is fixed to the fixing holes 8c, 8c, ... With U-shaped bolts 11, 11, a blind screw 1c is screwed on the end of the base portion 1a, and a spray nozzle 1b is formed on the other end. The base portion 1a is provided with a connecting portion 1d so that the chemical liquid hose 35 can be connected thereto, and a pressure gauge 1e is also provided.

Further, since the reaching distance of the chemical solution depends on the mounting angle of the fixing plate 8 and also depends on the spraying pressure, the fixing plate 8 on both sides of the elongated hole 8a has different spraying pressures for each spraying pressure as shown in FIG. Scales 15a and 15b are engraved to indicate the reaching distance of the spray liquid according to the mounting angle. Therefore, before starting the work, the pressure adjusting lever 45 of the external pump
Adjust the pressure while observing the instructions on the pressure gauge 1e with the scale 1
By selecting the pressures indicated by 5a and 15b, rotating the fixing plate 8 to determine the reaching distance, and fixing and fixing the fixing screw 12a, it is possible to set and spread the work range.

[0015]

Since the present invention is constructed as described in claim 1,
Even when traveling in an uneven field during work, the arm can be oriented vertically due to the weight of the weight, and the spray nozzle can maintain a certain angle with respect to the horizontal direction. Will be constant and the spraying accuracy will increase. Further, since it is configured as in claim 2, the reaching distance of the chemical liquid can be set only by determining the mounting angle according to the scale of the fixing plate and fixing it, and there is no need to temporarily spray the chemical liquid, which is wasteful. The spray angle can be set easily and almost accurately without releasing the chemical liquid, and the efficient control work can be performed.

[Brief description of drawings]

FIG. 1 is a side view of a self-propelled atomizer adopting the present invention.

FIG. 2 is a plan view of the self-propelled atomizer.

FIG. 3 is a front view of the self-propelled sprayer.

FIG. 4 is a front view showing a fixing mechanism of a nozzle according to the present invention.

FIG. 5 is a side sectional view showing a fixing mechanism of the injection port.

FIG. 6 is a front view of a fixing plate of a nozzle.

[Explanation of symbols]

 1 Nozzle 5 Pivot body 6 Weight 8 Fixing plate 15 Scale A Self-propelled sprayer C Spraying part

Claims (2)

[Claims] 1. A self-propelled sprayer equipped with a spray section for spraying a chemical solution, in which a support column is erected at the front end of the self-propelled sprayer, and a pivot body is rotatably supported on the support column. Then, an arm is extended below the pivot body, a weight is arranged at the lower end of the arm, and an injection port is arranged above the pivot body so that the injection port can be maintained at a constant angle with respect to a horizontal plane. A structure for supporting the spray section of a self-propelled sprayer characterized by being configured. 2. In a spraying part of a self-propelled sprayer for spraying a chemical solution, a spray port is fixed to an arm arranged at a front part of a machine body through a fixing plate, and is rotated below the fixing plate. A fulcrum is provided, an elongated hole centering on the rotation fulcrum is provided above the fulcrum, and the arm is fixed so that the angle can be adjusted
A spray part support structure for a self-propelled sprayer, wherein the fixed plate is provided with a scale of a spray reaching distance corresponding to a spray pressure and a mounting angle.