JPH076406U - Work vehicle - Google Patents

Abstract

(57) [Summary] [Purpose] To effectively prevent the diffusion of dust in work vehicles used in places where dust is likely to be generated, such as the site of demolition of buildings. [Structure] A vehicle body 2, a traveling device 3, a working device 4, a tank 5, a pressurizing device 6 and a nozzle 7, and in particular, a tank 5 in which water is stored and a pressurizing device 6 for pressurizing the water. 2, the working device 4 is provided with a nozzle 7 for spraying the pressurized water A from the pressurizing device 6 to the dust generation point B.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a work vehicle used in a place where dust is likely to be generated, such as a site of dismantling a building.

[0002]

[Prior art]

 2. Description of the Related Art Conventionally, as a work vehicle of this type, there is known a work vehicle such as a backhoe, which includes a vehicle body, a traveling device provided on the vehicle body, and a work device provided on the vehicle body. By the way, at construction demolition sites (wooden houses, concrete buildings), recycled wood centers (waste materials → chip processing), recycled aggregate plants, crushed stone plants, etc., dust is generated due to the work of work vehicles. It causes a great deal of damage to neighbors and is accused. For this reason, tap water is sprayed from the hose to the dust generation site by sprinkling personnel, but this is not perfect. In other words, although the method of preventing the diffusion of dust by sprinkling water has been conventionally used, it is generally a direct fountain that uses a water pipe, and only the surface that is hit by water can be moistened, and dust can be suppressed. As a result, it was easy to cause problems such as the generation of muddy water and contamination of transportation equipment, and the phenomenon of hindering work activities as a result of using more water than is necessary to improve the effect.

[0003]

[Problems to be solved by the device]

 The present invention was devised in order to solve this problem in view of the above problems, and an object thereof is to provide a work vehicle capable of effectively preventing the diffusion of dust. .

[0004]

[Means for Solving the Problems]

 The work vehicle of the present invention is basically provided with a vehicle body, a traveling device provided on the vehicle body, a work device provided on the vehicle body, a tank provided on the vehicle body for storing water, and provided on the vehicle body. It is characterized in that it is composed of a pressurizing device that pressurizes the water in the tank and a nozzle that is provided in the working device and sprays the pressurized water from the pressurizing device to the dust generation site.

[0005]

[Action]

 The vehicle is driven by the traveling device and the work is performed by the working device. When the work is done, dust is generated. The water in the tank is pressurized by the pressure device and sprayed from the nozzle toward the dust generation site. As a result, the diffusion of dust is prevented. Since the nozzle is installed in the working device, water is sprayed in the same direction even if it is not directed to the dust generation point, which is extremely rational.

[0006]

【Example】

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic side view showing a work vehicle according to an embodiment of the present invention. The work vehicle 1 is mainly composed of a vehicle body 2, a traveling device 3, a work device 4, a tank 5, a pressurizing device 6, and a nozzle 7. In this example, the work vehicle is applied to a backhoe. The vehicle body 2 forms a basic part of the work vehicle 1, and in this example, includes a driver's cab 8 and a prime mover 9 such as an engine. The traveling device 3 is provided on the vehicle body 2. In this example, the traveling device 3 is of a crawler type and is rotationally driven by the prime mover 9. The work device 4 is provided on the vehicle body 2, and in this example, the boom 10 is provided on the vehicle body 2 so that the boom 10 can be elevated, the boom cylinder 11 that raises the boom 10 relative to the vehicle body 2, and the boom 10. An arm 12 that can be elevated and lowered, an arm cylinder 13 that raises and lowers the arm 12 with respect to the boom 11, a work tool 14 such as a grapple provided on the arm 12, and a work tool 14 that is operated with respect to the arm 12. It is made up of a work implement cylinder 15 and a work implement cylinder 15. The tank 5 is provided on the vehicle body 2 and stores water. In this example, the tank 5 is provided on the front side of the upper portion of the hood 16 of the vehicle body 2 and the 100-liter tank is placed on the base 17 to the left and right. They are arranged side by side. The pressurizing device 6 is provided on the vehicle body 2 to pressurize the water in the tank 5. In this example, the pressurizing device 6 is provided on the rear side of the upper portion of the bonnet 16 of the vehicle body 2, and includes the pedestal 18 and the plunger pump (normal pressure It is composed of a pump 19 such as 25 to 30 kgf / cm ² ), an engine 20 that rotationally drives the pump 19, and a battery 21 that starts the engine 20. Although not shown, the opening / closing cock of the pump 19, the key switch of the engine 20, the throttle lever, and the choke lever are integrated in the control panel and provided in the operating room 8, and are operated from here. I am able to do it. The nozzle 7 is provided in the working device 4 and sprays the pressurized water A from the pressurizing device 6 to the dust generation point B. In this example, a single head type is provided on the left and right of the tip of the arm 12. The spray direction is directed to the work implement 14. A hose 22 connects between the nozzle 7 and the opening / closing cock of the pump 20. The hose 22 is provided so as not to hinder the movement of the working device 4. Next, the operation will be described based on such a configuration. The vehicle body 2 travels by the traveling device 3, and work is performed by the operation of the boom 10, the arm 12, and the work implement 14 of the working device 4. Dust is generated when work is performed. The pump 19 of the pressurizing device 6 pressurizes the water in the tank 5. The pressurized water A is sprayed from the nozzle 7 through the hose 22 toward the work location by the work implement 14, that is, the dust generation location B. As a result, the diffusion of dust is prevented. Since the nozzle 7 is provided on the arm 12 of the working device 4, water is sprayed in the same direction even if it is not directed to the dust-generating point B, so that it is extremely rational. A high pressure is applied to the water stream to create an infinite number of accelerating water droplets of small particles (several tens to several hundreds of microns), collide with suspended dust particles and knock them off, or moisten the dust particles to agglomerate them. It is possible to accelerate the heat generation, to lose the floating property, and to quickly and moderately moisten the surface, that is, the dust generation site, before dust generation. In other words, according to the spraying method, suspended dust particles can be easily captured and knocked off by the innumerable water droplets scattered there, or the floating property can be rapidly lost. When the amount of airborne dust generated is large, it is necessary to increase the number of water droplets and at the same time increase the acceleration applied to the water droplets, further strengthening the knock-down effect and improving the suppression rate. In this case, it can be dealt with by further increasing the pressure generated in the pump 19. Of course, without performing work by the work implement 14 of the work device 4, by appropriately operating the boom 10, the arm 12 and the like of the work device 4, the nozzle 7 is set to a dust generating place other than the work place by the work implement 14. You can also point it.

Although the working vehicle 1 is the backhoe in the above embodiment, the working vehicle 1 is not limited to this and may be, for example, a tractor shovel or a shovel loader. Although the working device 4 is configured by the boom 10, the arm 12, the working tool 14 and the like in the above-described embodiment, the working device 4 is not limited to this, and may be appropriately changed. Although the working tool 14 of the working device 4 is a grapple in the above-described embodiment, the working tool 14 is not limited to this and may be, for example, a bucket or the like. Although the pressurizing device 6 is provided with the engine 20 in the previous embodiment, the present invention is not limited to this, and the prime mover 9 of the work vehicle 1 may be used, for example. Although the nozzle 7 is a single-head type in the above-mentioned embodiment, it is not limited to this and may be, for example, a double-head type. Although the spray direction of the nozzle 7 cannot be changed in the previous embodiment, the nozzle direction is not limited to this, and the spray direction may be changed, for example.

[0008]

[Effect of device]

 As described above, according to the present invention, the following excellent effects can be obtained. (1) It is composed of a car body, a traveling device, a working device, a tank, a pressurizing device, and a nozzle, and in particular, a tank in which water is stored and a pressurizing device for pressurizing the water are provided on the car body, Since the working device is provided with the nozzle for spraying the pressurized water from the pressurizing device to the dust generating portion, it is possible to effectively prevent the diffusion of dust. In other words, it is possible to prevent dust from floating while suppressing the dust generation source, which can greatly contribute to environmental conservation. (2) Since the tank and the pressurizing device are provided on the vehicle body, and the nozzle is provided on the working device, it is possible to eliminate labor for watering and to save labor. (3) Since the water in the tank is pressurized by the pressurizing device and sprayed from the nozzle, the amount of water can be significantly reduced compared to the case of tap water injection, and a small amount of water is required.

[Brief description of drawings]

FIG. 1 is a schematic side view showing a work vehicle according to an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Work vehicle, 2 ... Car body, 3 ... Running device, 4 ... Working device, 5 ... Tank, 6 ... Pressurizing device, 7 ... Nozzle, 8 ... Driver's cab, 9 ... Motor, 10 ... Boom, 11 ... Boom cylinder , 12 ... Arm, 13 ... Arm cylinder, 14 ... Work implement, 15 ... Work implement cylinder, 16 ... Bonnet, 17 ...
Base, 18 ... Stand, 19 ... Pump, 20 ... Engine, 2
1 ... Battery, A ... Pressurized water, B ... Dust generation point.

Claims (1)

[Scope of utility model registration request] 1. A vehicle body and a traveling device provided on the vehicle body,
Working device provided on the vehicle body, a tank provided on the vehicle body for storing water, a pressurizing device provided on the vehicle body for pressurizing water in the tank, and pressurized water from the pressurizing device provided on the working device. A work vehicle characterized by being configured with a nozzle for spraying dust to a dust generation site.