JP2021048819A - Chemical spray vehicle - Google Patents

Abstract

To provide a chemical spray vehicle mounted with a chemical tank for spraying a chemical with a spraying boom that can prevent spraying work in replenishing work from being interrupted due to slight shortage of chemical liquid and being deteriorated in work efficiency.SOLUTION: There is provided a chemical spray vehicle in which a chemical tank 30 is mounted on a travelling vehicle body 2, and a control boom 50 provided with a nozzle is developed on the right and left of the travelling vehicle body 2 for executing spraying work. A carrier 11 is provided to the rear part of the chemical tank 30, and tanks P1 and P2 can be mounted on the carrier 11. An auxiliary pump 13 is provided so as to replenish chemical liquid of the tanks P1 and P2 to the chemical tank 30 through the auxiliary pump 13.SELECTED DRAWING: Figure 1

Description

The present invention relates to a chemical sprayer that sprays chemicals on field crops.

As a chemical spraying vehicle, Patent Document 1 describes a passenger chemical spraying vehicle. In this passenger chemical spraying vehicle, a chemical tank is mounted on a traveling vehicle body operated by an operator, and chemicals are sprayed on crops in the field from nozzles of a spray boom that is deployed on the left and right sides of the aircraft.

JP-A-2018-102180

Since the capacity of the chemical tank of the chemical sprayer is limited, it is necessary to frequently replenish the chemical solution in the control tank in order to carry out the control work in a large field. However, taking the aircraft out of the field and performing replenishment work for a small amount of remaining crops or bringing a replenishment liquid tank close to the aircraft to perform replenishment work reduces the efficiency of the control work.

The present invention prevents a chemical spraying vehicle equipped with a chemical tank from which a chemical is sprayed by a spraying boom from interrupting the spraying work due to a slight shortage of the chemical liquid and reducing the work efficiency. Make it an issue.

The above-mentioned problem of the present invention is solved by the following technical means.

The invention of claim 1 is in a chemical spraying vehicle in which a chemical tank 30 is mounted on a traveling vehicle body 2 and a control boom 50 provided with a nozzle is deployed to the left and right of the traveling vehicle body 2 to perform spraying work, at the rear portion of the chemical tank 30. A carrier 11 is provided, tanks P1 and P2 and an auxiliary pump 13 are loaded on the carrier 11, and the chemical liquids in the tanks P1 and P2 can be replenished to the chemical tank 30 via the auxiliary pump 13. Let's call it a car.

The first aspect of the present invention is the first aspect of the present invention, wherein the fixing base 12 for pressing and fixing the tanks P1 and P2 mounted on the carrier 11 from above is provided, and the auxiliary pump 13 is mounted on the fixing base 12. It is a drug sprayer.

The invention of claim 3 is characterized in that the remaining amount sensor S1 for detecting the remaining amount of the chemical solution is provided in the chemical tank 30, and the selection switch SW1 for enabling or disabling the drive of the auxiliary pump 13 is provided. The drug spraying vehicle according to claim 1 or 2.

In the invention of claim 1, when the chemical is sprayed on the crops in the field, the chemical tank 30 is filled with the chemical liquid and the control boom 50 is deployed to the left and right of the traveling vehicle body 2 to perform the control work. When there is a possibility that the chemical solution of the chemical solution is insufficient, the tanks P1 and P2 filled with the chemical solution are placed on the carrier 11 and the control work is started. By replenishing the tank 30 with the chemical solution by the auxiliary pump 13, the area of the control work can be expanded.

In the invention of claim 2, in addition to the effect of claim 1, when the field is controlled by the chemical solution stored in the chemical tank 30, the tanks P1, P2, the fixing base 12 and the auxiliary pump 13 are removed from the carrier 11. In the case of a field where the control work can be performed lightly and the chemical solution needs to be replenished, the control work can be continued for a long time by mounting the tanks P1 and P2 on the carrier 11 at a position that does not interfere with the left and right deployment of the control boom 50. ..

In the invention of claim 3, in addition to the effect of claim 1 or 2, it is possible to select whether to use the chemical solution in the tanks P1 and P2 or not.

It is a right side view of the control work machine of embodiment of this invention. It is a top view of the control work machine of embodiment of this invention. It is a rear view of the control work machine of embodiment in this invention.

Hereinafter, embodiments of the present invention will be described with reference to examples shown in the drawings. In the description of the embodiment, the left and right directions are referred to as left and right, respectively, the forward direction is referred to as forward, and the reverse direction is referred to as backward toward the forward direction of the aircraft, but the configuration of the present invention is not limited.

The chemical spraying vehicle (chemical spraying vehicle) 1 according to the present embodiment is a work vehicle in which an operator rides on a traveling vehicle body 2 and sprays chemicals on a field while performing a driving operation. As shown in FIGS. 1 and 2, the chemical spraying vehicle 1 is a control for spraying the traveling vehicle body 2, the seat 3, the chemical tank (chemical liquid tank) 30, and the chemicals supplied from the chemical tank 30 to the field. It is composed of a boom 50 and the like.

In the present embodiment, the traveling direction of the chemical spraying vehicle 1 is a direction along the front-rear direction of the traveling vehicle body 2, and is a direction from the seat 3 to the steering handle 4 when the chemical spraying vehicle 1 goes straight. Further, the vehicle width direction or the left-right direction of the traveling vehicle body 2 is a direction horizontally orthogonal to the traveling direction. Further, the vertical direction of the traveling vehicle body 2 is a direction vertically orthogonal to the traveling direction.

The traveling vehicle body 2 includes a traveling vehicle body 2, a seat 3, a steering handle 4, a front wheel 6, and a rear wheel 7. The traveling vehicle body 2 is formed long in the front-rear direction. The seat 3 is a seat for the operator to sit on when operating the chemical spraying vehicle 1. At the position on the right side of the seat 3, a spraying operation unit 20 for controlling operations such as opening / closing the control boom 50 and spraying a chemical is arranged. The steering handle 4 changes the traveling direction of the chemical spraying vehicle 1 by steering at least the left and right front wheels 6 by a rotation operation by the operator. The front wheels 6 are steering wheels that are steered by at least the rotation operation of the steering handle 5.

The seat 3 is arranged between the medicine tank 30 and the bonnet 9.

When getting on the traveling vehicle body 2, the worker can easily get on and off by putting his foot on step 70.

As shown in FIG. 1, the chemical tank 30 is on the rear side of the seat 3 and is detachably mounted on the traveling vehicle body 2, and as shown in the plan view of FIG. 2, the left and right sides and the rear side of the seat 3 It is a container that is formed in a concave shape so as to surround the control boom 50 and contains a chemical solution sprayed from the control boom 50. The chemical solution is a liquid in which a fertilizer, a pesticide or the like is dissolved in a solvent (for example, water), or a liquid such as a liquid containing a solid content such as a fertilizer or a pesticide (for example, water).

The pest control boom 50 is provided on the front side of the chemical spraying vehicle 1, and is composed of a center boom 53, a left boom 51, and a right boom 52 on the front side of the traveling vehicle body 2, and is provided on each of the left boom 51, the right boom 52, and the center boom 53. The spray nozzles are arranged at predetermined intervals, and the left boom 51 and the right boom 52 are deployed to the left and right, and the control pump 10 driven by the engine in the bonnet 9 sends the drug in the drug tank 30 to the control boom 50 for control. Do the work. Wiring of the control pump 10 is performed collectively on the right side of the traveling vehicle body 2.

Carriers 11 are provided in the center of the left and right sides of the rear side of the traveling vehicle body 2, and the two plastic tanks (tanks) P1 and P2 mounted on the carrier 11 are fixed from above by a fixing base 12 that can move up and down. Rubber or sponge is attached to the contact surfaces of the plastic tanks P1 and P2 of the fixing base 12 to prevent damage. The plastic tanks P1 and P2 may be metal tanks other than the plastic tanks.

Further, an electric auxiliary pump 13 is mounted on the fixed base 12, and when replenishing the medicine, the medicine is connected to the medicine tank 30 by the discharge pipe 14 and connected to the plastic tanks P1 and P2 by the suction pipe 15, and the medicines in the plastic tanks P1 and P2 are connected. Can be sent to the drug tank 30. If the discharge pipe 14 is transparent and the suction pipe 15 is color-coded into pink or the like, the mounting work becomes easy. Further, if a rubber packing with a notch is attached to the pipe insertion port of the medicine tank 30, the medicine does not spill when the pipe is removed, and the medicine tank 30 is provided with a U-shaped hook for removal. It may be used as a hook for hanging a pipe.

The carrier 11 can be stably transported if a receiving frame is provided so that the two plastic tanks P1 and P2 can be fixed. Further, if the receiving surface of the carrier 11 is reticulated, the chemical solution does not accumulate even if it spills, and the plastic tanks P1 and P2 can be fixed by hanging a band.

Therefore, when the amount of the chemical solution in the chemical tank 30 is low and the crops to be controlled remain, the control work is performed by driving the auxiliary pump 13 to replenish the chemical liquids of the plastic tanks P1 and P2 to the chemical tank 30. You can continue.

Further, a remaining amount sensor S1 for detecting the remaining amount of the chemical solution is provided in the chemical tank 30, and a selection switch SW1 for enabling or disabling the driving of the auxiliary pump 13 is provided. When the selection switch SW1 is enabled, the auxiliary pump 13 is automatically driven when the remaining amount sensor S1 detects a predetermined amount (about 5% of the total capacity) or less.

Further, when the selection switch SW1 is invalid, the auxiliary pump 13 is not driven even if the remaining amount sensor S1 detects a predetermined amount (about 5% of the total capacity) or less. For example, when the driver determines that the work can be completed with the amount of the chemical liquid in the chemical tank 30 during the work running, the selection switch SW1 is configured to select invalid. This enables efficient work. Further, since the driver may make a mistake in judgment, the vehicle is automatically stopped when the chemical liquid in the chemical tank 30 runs out.

When the work running is to be continued after the automatic running is stopped, the auxiliary pump 13 is manually driven to restart the work running.

P1, P2 Polytank 2 Traveling vehicle body 11 Carrier 12 Fixed base 13 Auxiliary pump 30 Chemical tank 50 Pest control boom

Claims (3)

In a chemical spraying vehicle in which a chemical tank (30) is mounted on a traveling vehicle body (2) and a control boom (50) provided with a nozzle is deployed to the left and right of the traveling vehicle body (2) to perform spraying work, the chemical tank (30) is used. A carrier (11) is provided at the rear of the carrier (11) so that tanks (P1), (P2) and an auxiliary pump (13) can be loaded on the carrier (11), and the tank (13) is interposed via the auxiliary pump (13). A chemical spraying vehicle characterized in that the chemical liquids of P1) and (P2) can be replenished in the chemical tank (30). A fixing base (12) for pressing and fixing the tanks (P1) and (P2) mounted on the carrier (11) from above was provided, and the auxiliary pump (13) was mounted on the fixing base (12). The chemical spraying vehicle according to claim 1. The drug tank (30) is provided with a remaining amount sensor (S1) for detecting the remaining amount of the drug solution, and a selection switch (SW1) for enabling or disabling the drive of the auxiliary pump (13) is provided. The drug spraying vehicle according to claim 1 or 2.

Images