JP3957120B2 - Boom sprayer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a blanking Musupureya, more particularly, to a lube Musupureya to have a two types of light emitting members to be controlled according to the relative position of the second boom member to be displaced relative to the first boom member .
[0002]
[Prior art]
For example, some boom sprayers used for field control work have a boom device called a slide boom in which a plurality of boom members are connected to each other in a relatively telescopic manner for convenience during movement and adjustment of spreading width. . When the boom device is shrunk during non-spraying movement and is compactly stored along the traveling machine body, the amount of overhang from the outline of the traveling machine body is still large even in this state. For example, a warning light such as Patlite (registered trademark) provided at the tip of the light is turned on to urge attention to the surroundings.
[0003]
On the other hand, during the spraying operation, the boom device is extended from the left and right outwards of the traveling machine body in order to perform wide spraying at once, and from a plurality of spray nozzles attached along the boom members. A spray solution such as a chemical solution is sprayed. Here, when the spraying operation shifts to the evening and the surroundings become dark, the visibility of the driver of the traveling machine body is lowered, and the vicinity of the extended tip end portion of the boom device becomes difficult to see. Therefore, the lighting device provided at the tip of the boom device is turned on to make it easier to see, and smooth vertical position control of the boom device is performed to prevent the driver from touching crops and obstacles. To be able to.
[0004]
Conventionally, turning on and off the attention lamp and the lighting lamp has been performed by the driver manually operating a switch provided in the driver's seat of the traveling machine body.
[0005]
[Problems to be solved by the invention]
However, in particular, it is easy to forget to turn on the caution stick, and it is complicated to manually control the caution stick and the lighting tub that are to be controlled.
[0006]
The present invention has been made in view of such circumstances, lube can automatically controlling the two types of light emitting members to be controlled according to the position of the second boom member relative to the first boom member over It is an object of the present invention to provide a boom sprayer equipped with a video device.
[0016]
[Means for Solving the Problems]
In order to solve the above problems, a boom sprayer according to the present invention includes a first boom member mounted on a traveling machine body, a second boom member that expands and contracts with respect to the first boom member, and the second boom member includes the first boom member. Two types of light emitting members having different light emitting modes that are turned on at the distal end portion of the second member when in a retracted state and in an extended state with respect to the first boom member, the first boom member, and the first boom member A change-over switch that is provided on one side of the two boom members and controls switching of the lighting of the two types of light-emitting members, and is provided on the other side of the first boom member and the second boom member. A cam that switches the change-over switch by a telescopic operation of a second boom member, and a main switch that is provided at a driver's seat of the traveling machine body and opens and closes an electric circuit including the two types of light-emitting members. There is preferably a boom sprayer the two kinds of light-emitting member is an illumination lamp and attention lamp.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, with reference to the accompanying drawings, that describes the preferred embodiment of the present invention.
[0018]
Figure 1 is a perspective view of the engagement lube Musupureya obliquely from the right rear to an embodiment of the present invention, FIG. 2 is an electrical circuit diagram of a boom device of FIG. 1, FIG. 3, the boom apparatus of FIG. 1 Explanatory drawing of the action | operation at the time of expansion | extension, FIG. 4 is explanatory drawing of the action | operation at the time of retraction of the boom apparatus of FIG.
[0019]
Boom spray or 1 shown in Figure 1, the rear portion of the passenger type tractor 2 as traveling machine body, and a boom device 3. The boom 4 of the boom device 3 is, for example, a two-split type, an original boom member 5 as a first boom member, and a front side as a second boom member that is displaced with respect to the original boom member. And a boom member 6. A large number of spray nozzles 7 are attached to the lower surfaces of the boom members 5 and 6 at regular intervals along the length direction thereof.
[0020]
The former-side boom member 5 is mounted on a mount frame 20 loaded with a chemical tank 21 or the like directly mounted on the tractor 2 via a folding mechanism 8 of an appropriate type, and outwards in the lateral direction of the tractor 2. The extended spraying position and the storage position (position shown in FIG. 1) folded and stored along one of the left and right sides of the tractor 2 are swingable. On the other hand, the front-side boom member 6 is movable as a so-called slide boom along the length direction of the original-side boom member 5, so that the boom 4 can be expanded and contracted as a whole.
[0021]
In addition, the boom device 3 is arranged at the distal end portion 6 a of the front boom member 6 as two types of light emitting members to be controlled according to the position of the front boom member 6 with respect to the original boom member 5. It is provided with a warning rod 9 and a lighting rod 10 as light emitting members. Although these bonfires 9 and 10 are not limited, in this embodiment, the bonfires 9 are turned up and down so as to be integrated and attached to the upper portion of the tip end portion 6a of the front boom 6. ing.
[0022]
The warning rod 9 travels on a public road with the front boom member 6 retracted with respect to the original boom member 5 and the boom 4 is folded to the retracted position (state shown in FIG. 1). In this case, the boom 4 protruding forward from the tractor 2 is used for the purpose of calling attention to the surroundings. For example, Patrite (registered trademark) or the like is used as the caution box 9.
[0023]
On the other hand, the lighting rod 10 is spread in a state where the original boom member 5 is opened outward in the left-right direction of the tractor 2 and the front boom member 6 is extended with respect to the original boom member 5. , When the surroundings become dark and the vicinity of the front end portion 6a of the front boom member 6 becomes difficult to see, the vicinity of the front end portion 6a of the front boom member 6 is illuminated and the tractor This is used to make it easier for the driver in the second driver's seat 11 to see the work site.
[0024]
In this embodiment, control of the illumination lamp 10 and the attention lamp 9, i.e., those points lights and Sho燈, as shown in an electric circuit diagram of FIG. 2, a main switch provided in the driver's seat 11 12, and a changeover switch 14 as a control member disposed on an electric circuit including the main switch 12 and a power source 13 such as a battery mounted on the tractor 2. When the changeover switch 14 is switched with the main switch 12 turned on, the energization of the caution rod 9 and the energization of the illumination rod 10 which are arranged in parallel with each other on the circuit are switched. When the main switch 12 is turned off, the electric circuit is cut off, and both the attention lamp 9 and the lighting lamp 10 are turned off.
[0025]
In the present embodiment, the changeover switch 14 is controlled using the displacement operation of the front boom member 6 with respect to the original boom member 5. That is, as shown in FIGS. 3 and 4, the changeover switch 14 is disposed at the distal end portion 5 a of the original boom member 5, and the front boom member 6 is expanded and contracted with respect to the original boom member 5. A cam 16 for operating the operation lever 15 of the changeover switch 14 is attached to the front boom member 6 side. If the cam 16 as a changeover switch operating member includes an elastic element such as a spring such as a spring rod or rubber, for example, the operating lever 15 can pass smoothly after the operating lever 15 is operated. This is preferable because the changeover switch 14 can be prevented from being damaged.
[0026]
Contrary to the above, the changeover switch 14 may be provided on the front boom member 6 side, and the cam 16 may be provided on the original boom member 5 side.
[0027]
Next, a method for using the boom sprayer will be described.
[0028]
First, when the front boom member 6 is extended with the main switch 12 turned on, the cam 16 is moved to the operation lever 15 due to the extension operation of the front boom member 6 as shown in FIG. The operating lever 15 is switched in the extending direction of the front boom member 6. Then, the change-over switch 14 is turned on and the illumination lamp 10 is turned on. Therefore, the driver can perform the spraying operation with a wide width while running the tractor 2 and illuminating the vicinity of the distal end portion 6 a of the front boom member 6 with the lighting rod 10. Therefore, the visibility is good even when the surroundings become dark, and the vertical position control of the boom 4 during the spraying operation can be reliably performed, so that the boom 4 collides with an obstacle such as a pile and is damaged. There is no problem.
[0029]
When the front boom member 6 is contracted after the spraying operation is finished, the cam 16 comes into contact with the operation lever 15 due to the retracting operation of the front boom member 6, as shown in FIG. The lever 15 is swung in the retracting direction of the front boom member 6. Then, the changeover switch 14 is switched and the caution 9 is turned on. Therefore, the driver can fold the boom 4 along the left and right sides of the tractor 2 and drive the tractor 2 on a public road while calling attention to the surroundings with the caution rod 9.
[0030]
When neither the warning rod 9 nor the lighting rod 10 need to be turned on, the driver may turn off the main switch 12 manually.
[0031]
In the present embodiment, particularly when the lighting rod 10 is turned on at dusk to perform a spraying operation, and after the spraying operation is finished, the tractor 2 is driven on a public road and returned, the point of the attention rod 9 Forgetting to fire is prevented, which is preferable.
[0032]
In the present embodiment, a two-part boom is described as an example. However, in the case of a three-part boom, an intermediate boom member as a first boom member and a tip boom member as a second boom member are provided. The changeover switch 14 and the cam 16 may be disposed between them.
[Brief description of the drawings]
FIG. 1 is a perspective view of a boom sprayer equipped with a boom device according to an embodiment of the present invention as viewed from the right rear side.
FIG. 2 is an electric circuit diagram of the boom device of FIG. 1;
FIG. 3 is an explanatory diagram of an operation when the boom device of FIG. 1 is extended.
FIG. 4 is an explanatory diagram of an operation when the boom device of FIG. 1 is retracted.
[Explanation of symbols]
2 traveling machine body 5 first boom member (original boom member)
6 Second boom member (front boom member)
9,10 Control target (light emitting member, attention lamp, lighting lamp)
11 Driver's seat 12 Main switch 14 Switch (changeover switch)
15 Operation lever 16 Operation member (cam)

Claims (2)

The first boom member (5) mounted on the traveling machine body (2), the second boom member (6) extending and contracting with respect to the first boom member (5), and the second boom member (6) Two types of light emitting members having different light emitting modes that are turned on at the distal end portion (6a) of the second boom member (6) when in a retracted state and in an extended state with respect to the first boom member (5). (9, 10) and the first boom member (5) and the second boom member (6), which are provided on one side of the two types of light emitting members (9, 10) to switch the lighting. The change-over switch (14), the first boom member (5) and the second boom member (6) provided on the other side of the change-over switch (14) by the expansion and contraction of the second boom member (6). 14) and a driving seat (2) for the traveling machine body (2). Boom sprayers made comprising a main switch (12) which is provided to open and close the electrical circuit including the two types of light emitting members (9, 10) to 1), the.   The boom sprayer according to claim 1, wherein the light emitting member (9) is a caution rod and the light emitting member (10) is a lighting rod.

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