JP7002728B2 - Snow melting agent spraying device and snowplow equipped with it - Google Patents

Description

INDUSTRIAL APPLICABILITY The present invention is an improvement of a snow melting agent spraying device for a snowplow, specifically, the snow melting agent can be efficiently sprayed on a rut portion that has been compressed with snow, and the problem of lumps of the snow melting agent and clogging due to snow is unlikely to occur. Moreover, the present invention relates to a snow melting agent spraying device in which the splashed water is less likely to be applied to the discharge port even when it is arranged behind the tire, and a snowplow equipped with the device.

In recent years, many snowplows are equipped with a snow melting agent spraying device for the purpose of melting snow and suppressing the growth of snow. However, spraying the snow-melting agent on the entire road requires a large amount of snow-melting agent, which not only increases the snow-removing cost, but also significantly reduces the gross vehicle weight due to the spraying of the snow-melting agent loaded on the device, and the grader's snow-removing ability. There is also the problem of a decrease in.

Therefore, conventionally, a technique of intensively spraying a snowmelting agent on the compressed snow of a rut portion that causes a slip accident has been known (see Patent Document 1), but the conventional snowmelting agent spraying device is used. Since the snow-melting agent was sprayed from the elongated discharge port formed in the tire width, the discharge port was liable to be clogged by the lump of the snow-melting agent or the snow that entered due to the snowstorm.

Moreover, when the conventional snow melting agent spraying device is installed behind the rear wheel tires, there is no obstacle between the discharge port from which the snow melting agent is discharged and the rear wheel tires. While the snowplow was running, the rear tires bounced off and water was caught on the discharge port of the spraying device, which led to uneven spraying of the snow melting agent and was a factor that hindered efficient snow removal.

On the other hand, conventionally, devices for spraying sand or the like on the ruts on the road for the purpose of preventing the ice burn from slipping have been known, and it is conceivable to apply these to the spraying of snow melting agents. Regarding the technology, the outlet is formed to be elongated according to the tire width (see Patent Document 2). Since only the one using the injection nozzle (see Patent Document 3), it was not possible to effectively spray a small amount of the snow melting agent.

On the other hand, there are some liquid snowmelting agents, and conventionally, a technique of spraying the snowmelting agent from the front or the rear position of the snowplow (see, for example, Patent Document 4) and the snowmelting agent on the rear side of the grader blade are used. Techniques for spraying (see Patent Document 5) are also known, but in these conventional techniques, the snow melting agent is sprayed over the entire width of the snowplow, so that it is necessary to use a large amount of the snow melting agent.

Therefore, as in the case of spraying the solid snow melting agent, there has been a problem that the gross vehicle weight is greatly reduced and the snow removing ability of the grader is lowered due to the spraying of the snow melting agent loaded on the apparatus. Further, since the conventional device for spraying the liquid snow-melting agent directly sprays the snow-melting agent on the road surface, the diffusion function of the snow-melting agent depends on a nozzle capable of wide-angle spraying.

Japanese Unexamined Patent Publication No. 10-245825 Japanese Unexamined Patent Publication No. 48-4038 Japanese Unexamined Patent Publication No. 2004-168232 Japanese Unexamined Patent Publication No. 8-218339 Japanese Unexamined Patent Publication No. 6-158622

The present invention has been made in view of the above problems, and an object thereof is to be able to efficiently spray a snow melting agent on a rut portion that has been compressed with snow, and a lump of snow melting agent or snow. A snowplow sprayer equipped with a snowplow sprayer that is less likely to cause clogging due to the problem of clogging, and that does not cause water to splash on the snowmelter discharge port when placed behind the tire and cause uneven spraying. To provide. Further, an object of the present invention is that when a liquid snow melting agent is used, the snow melting agent can be efficiently and effectively sprayed on the snow accumulated in the compressed rut portion, and the liquid snow melting agent can be applied by a method other than the nozzle. It is an object of the present invention to provide a snow melting agent spraying device capable of diffusing, and a snowplow equipped with the device.

The means adopted by the present inventor to solve the above problems will be described below with reference to the accompanying drawings.

That is, the present invention is a snowmelting agent spraying device for spraying the snowmelting agent D on the road from a running snowplow, wherein the snowmelting agent D accommodating portion 11 is provided in the upper part and the snowmelting agent D is discharged in the lower part. A hopper 1 provided with a portion 12; a drug discharge device 2 provided between the accommodating portion 11 and the discharge portion 12 of the hopper 1; and a slope surface 31 descending from the proximal end side toward the distal end side at the lower portion. Further, the snow melting agent is configured to include a drug diffusion plate 3 arranged so that the slope surface 31 is below the discharge portion 12 of the hopper 1 and is housed in the hopper 1 by the drug discharge device 2. When D is discharged from the discharge portion 12, the released snowmelt agent D is diffused downward on the slope surface 31 of the chemical diffusion plate 3 in the lateral width direction of the slope surface 31 , thereby causing the snowmelt agent to be rutted. It is characterized by the fact that it is sprayed on (see FIGS. 1 and 2).

Further, in the present invention, by setting the width of the slope surface 31 of the chemical diffusion plate 3 to 250 mm to 600 mm, it is possible to diffuse and spray the snow melting agent D according to the tire width of the snowplow (FIG. 1). reference).

Further, in the present invention, the discharge portion 12 of the hopper 1 is provided with a pipe portion 12a in the vertical direction, and the pipe portion 12a is branched in the lateral width direction of the drug diffusion plate 3 to provide two discharge ports R and R. The structure makes it possible to spray the snow melting agent D in front of each tire of a double tire (a form in which two tires are arranged in parallel and two tires of the same size are used for each wheel) (FIG. 1). -See Fig. 3).

Further, when the above configuration is adopted, the rotor type chemical discharge device 2 for rotationally driving the gear type rotating body 21 having the groove portion G formed in the lateral width direction of the chemical diffusion plate 3 by the motor 22 is used for discharging. The snow melting agent D can be evenly supplied to the two discharge ports R and R of the unit 12 (see FIGS. 2 and 3).

Further, in the present invention, if the side wall 32 is formed on at least one side edge portion of the chemical diffusion plate 3, the snow melting agent D released from the discharge portion 12 of the hopper 1 is less likely to be scattered by the wind because it is a windproof measure. .. Further, if the side wall 32 is provided on the chemical diffusion plate 3, it is difficult for rain and snow to enter on the slope surface 31, so that the slope surface 31 can be prevented from getting wet (see FIG. 4).

The snow melting agent spraying device A can be used by installing the agent diffusion plate 3 in a snowplow in a state of being arranged in front of or behind the tire T. Further, particularly in a rear wheel two-axle vehicle, it is preferable to install the snow melting agent spraying device A in a state where the chemical diffusion plate 3 is arranged between the front and rear rear wheel tires T and T'(see FIGS. 5 and 6).

Further, in the present invention, the snowmelting agent spraying device A for spraying the liquid snowmelting agent on the road from the traveling snowplow is connected to the accommodating tank 4 for accommodating the snowmelting agent; one end is connected to the accommodating tank 4. In addition, a discharge port 51 is provided at the other end, and an on-off valve 52 is further provided at an intermediate portion. When the on-off valve 52 is opened, the snow melting agent in the storage tank 4 is discharged from the discharge port 51. The snow melting agent spraying device A is installed on the snowplow in a state where the discharge port 51 of the discharge pipe 5 is arranged above the tire T so that the snow melting agent is applied to the tire T. Therefore , a liquid snow melting agent can be sprayed on the rutted portion .

When the above configuration is adopted, the discharge port 51 of the discharge pipe 5 is arranged above the rear wheel tire T and is arranged on the front side of the front and rear center line L of the rear wheel tire T, so that the discharge port 51 is arranged. It can also be configured so that the snow melting agent discharged from the tire T is surely hooked on the tire T.

In addition, when the above configuration is adopted, the accommodating tank 4 is arranged at the center of the left and right sides of the vehicle body of the snowplow, and the discharge pipe 5 is formed in a bifurcated shape toward both sides of the accommodating tank 4. By arranging the discharge ports 51 and 51 of the branch pipes 53 and 53 above the left and right tires T and T of the snowplow, the snow melting agent can be sprayed from one storage tank 4 on both sides of the vehicle body.

When the discharge pipe 5 of the snow melting agent spraying device A is formed in a bifurcated shape toward both sides of the accommodation tank 4 as described above, the discharge ports 51 and 51 of the branch pipes 53 and 53 are used, respectively. It is necessary to arrange them at intervals according to the distance between the left and right tires T and T of the snowplow.

In the present invention, the drug diffusion plate is arranged below the snow melting agent discharge port so that the snow melting agent discharged from the discharge port can be diffused and sprayed in the width direction of the drug diffusion plate. It is not necessary to form the outlet shape to be elongated according to the tire width, and the outlet can be designed with dimensions and shapes (for example, cylindrical or semi-cylindrical) that are less likely to cause clogging due to lumps of snowmelt agent or snow.

Further, when the snow melting agent spraying device is arranged behind the tire, the chemical diffusion plate acts as an obstacle between the tire and the snow melting agent discharge port and exerts a mudguard function, so that the tire can be worn while the snowplow is running. There is no concern that the splashed water will hit the outlet of the snow melting agent and cause uneven spraying. Therefore, a small amount of the snow melting agent can be more evenly sprayed on the rut portion.

Further, when the snow-melting agent spraying device is arranged in front of the tire, the sprayed snow-melting agent can be stepped on by the rear tire and strongly pressed against the snow-packed surface, so that the mirror-shaped snow-melting agent has irregularities and slips. It becomes easier to obtain the stopping effect (when the spraying device is placed between the front and rear rear wheel tires of the rear wheel two-axle vehicle, both the pressure contact effect on the tire and the above-mentioned mudguard effect can be obtained).

Further, in the present invention, a snow melting agent spraying device using a liquid snow melting agent is configured by providing a discharge pipe in a storage tank of the snow melting agent and arranging the discharge port of the discharge pipe above the left and right tires of the snowplow. Therefore, by applying the snow melting agent to the left and right tires and stepping on the liquid snow melting agent adhering to the tire surface with the tire, it is possible to strongly press the snow melting agent on the compressed snow surface.

In addition, by adopting the above configuration, not only can an excellent snowmelt effect be obtained against the snow accumulation in the ruts even when a small amount of snowmelting agent is sprayed, but also the snowmelting agent discharged from the discharge port can be run over by the rotating tire. Since it is possible to diffuse the snow melting agent in the width direction of the tire, it is possible to diffuse and spray the snowmelt agent without depending on the nozzle for wide-angle spraying.

Therefore, according to the present invention, it is possible to obtain an excellent snow removal effect and an effect of suppressing the growth of compressed snow while suppressing the amount of the snow melting agent used to reduce the snow removal cost, and the mounting position on the snowplow is devised. The practical utility value of the present invention is extremely high because it is possible to provide a snow melting agent spraying device that can also obtain a non-slip effect of snow pressure that causes a slip accident.

It is a front view and the side view which shows the snow melting agent spraying apparatus in Example 1 of this invention. It is a state explanatory drawing which shows the use state of the snow melting agent spraying apparatus in Example 1 of this invention. It is explanatory drawing which shows the structure of the snow melting agent spraying apparatus in Example 1 of this invention. It is an overall perspective view which shows the modification of the drug diffusion plate in Example 1 of this invention. It is a top view and the side view which shows the snowplow which installed the snow melting agent spraying apparatus of Example 1 of this invention. It is a state explanatory drawing which shows the installation method of the snow melting agent spraying apparatus in the snowplow in Example 1 of this invention. It is a top view which shows the snow melting agent spraying apparatus in Example 2 of this invention. It is a side view which shows the snow melting agent spraying apparatus in Example 2 of this invention. It is a top view and the side view which shows the snowplow which installed the snow melting agent spraying apparatus of Example 2 of this invention.

"Example 1"
Example 1 of the present invention will be described below with reference to FIGS. 1 to 6. In the figure, what is indicated by reference numeral 1 is a hopper, and what is indicated by reference numeral 2 is a drug discharging device. Further, what is indicated by reference numeral 3 is a chemical diffusion plate, and what is indicated by reference numeral A is a snow melting agent spraying device for a snowplow.

"Configuration and installation method of snow melting agent spraying device"
[1] Basic configuration First, the basic configuration of the snow melting agent spraying device A will be described. In this embodiment, as shown in FIGS. 1 (a) and 1 (b), a hopper 1 for transporting and releasing a snow melting agent (powdered or granular calcium chloride, sodium chloride, etc.) and a hopper 1 are used. The snow melting agent spraying device A is composed of a chemical discharging device 2 provided between the accommodating portion 11 and the discharging portion 12 and a bent plate-shaped chemical diffusion plate 3 provided on the lower side of the hopper 1. Further, regarding the drug diffusion plate 3, a slope surface 31 that descends from the proximal end side toward the distal end side is formed at the lower portion, and the slope surface 31 is arranged so as to be below the discharge portion 12 of the hopper 1.

[2] Spraying function As shown in FIGS. 2A and 2B, if the agent D is charged into the accommodating portion 11 of the hopper 1 and then the agent discharging device 2 is operated, the snow melting agent in the accommodating portion 11 is operated. The agent D can be discharged to the outside from the discharge unit 12. At this time, the snow melting agent D discharged from the discharge portion 12 of the hopper 1 hits the slope surface 31 of the drug diffusion plate 3 and falls on the slope surface 31 while diffusing in the lateral width direction of the slope surface 31, so that the snow melting agent D is used. Can be sprayed over a wider width than simply discharged from the discharge unit 12. In this embodiment, the chemical diffusion plate 3 is arranged and configured so that the snow melting agent is diffused according to the tire width of the snowplow.

[3] About the hopper Next, each component of the snow melting agent spraying device A will be described. First, regarding the hopper 1, in this embodiment, as shown in FIGS. 1 to 3, a funnel-shaped accommodating portion 11 is provided inside a rectangular parallelepiped metal box, and a vertical pipe portion 12a and this pipe are provided. A discharge portion 12 including a guide portion 12b extending diagonally downward from the discharge port R of the portion 12a is used. Further, a charging port with a lid portion 11a is provided on the upper side of the accommodating portion 11 of the hopper 1 so that the snow melting agent D can be easily charged.

The overall shape and material of the hopper 1 are not particularly limited as long as the basic functions can be obtained. Specifically, in this embodiment, the pipe portion 12a of the discharge portion 12 is formed in a straight tubular shape, but it can also be formed in a bent tubular shape. Further, regarding the guide portion 12b that guides the snow melting agent D discharged from the pipe portion 12a to a predetermined position, the position of the discharge port R of the pipe portion 12a can be adjusted and omitted.

Further, in this embodiment, as shown in FIG. 1, the pipe portion 12a of the discharge portion 12 is branched in the lateral width direction of the drug diffusion plate 3 to have two discharge ports R and R. Specifically, as shown in FIGS. 1 and 3, an inverted V-shaped guide member is arranged at the lower end of the pipe portion 12a to divide the discharge port R / R of the pipe portion 12a into two, and also to divide the pipe portion 12a into two. An inverted V-shaped guide member forms a pair of guide portions 12b and 12b extending diagonally downward from each discharge port R.

[4] About the drug discharging device On the other hand, regarding the above-mentioned drug discharging device 2, in this embodiment, as shown in FIG. 3, a rotor type discharging device in which the gear type rotating body 21 is rotationally driven by the motor 22 is used. There is. In particular, in this embodiment, by using the drug discharge device 2 provided with the gear-type rotating body 21 in which the groove portion G is formed in the lateral width direction of the drug diffusion plate 3, each discharge port R of the branched discharge portion 12 The snow melting agent can be evenly supplied to R from the drug discharging device 2.

Further, regarding the chemical discharge device 2, an automatic control device that adjusts the rotation speed of the gear-type rotating body 31 according to the traveling speed of the snow removal vehicle can be attached to the motor 22, and in that case, the traveling speed of the snow removal vehicle can be provided. When the speed is high, the amount of snow melting agent D released can be controlled to be large, and when the traveling speed is slow, the amount of snow melting agent D released can be controlled to be small. Further, a remote control device can be attached so that manual control can be performed while driving without automatic control.

Further, as for the discharge method of the drug discharge device 2, it is preferable to adopt a rotor type discharge device that can accurately and easily adjust the discharge amount of the snow melting agent D as in the present embodiment, but other methods are used. A discharge device can also be adopted. Specifically, a partition open / close type discharge device that slides or swings the partition plate to discharge, or a screw type discharge device that rotationally drives a screw member to discharge. It is also possible to adopt a device or the like.

[5] Chemical diffusion plate Next, regarding the chemical diffusion plate 3, a metal bending plate is used in this embodiment, but if the material is a durable material, rubber, plastic, or the like is used. You can also do it. Further, in this embodiment, the width of the slope surface 31 of the chemical diffusion plate 3 is designed to have a dimension of 250 mm to 600 mm according to the tire width of the snowplow. Although the slope surface 31 of the drug diffusion plate 3 is formed in a planar shape in this embodiment, it can also be formed in a curved surface shape.

Further, regarding the means for fixing the drug diffusion plate 3 to the hopper 1, in this embodiment, as shown in FIGS. 1 to 3, a channel type having an upper end portion of the drug diffusion plate 3 attached to the bottom surface of the hopper 1 is provided. It is made possible to connect to the fixture B with bolts and nuts so that it can be easily installed on a snowplow (the specific installation structure will be described later). However, the fixing means of the hopper 1 and the drug diffusion plate 3 is not limited to this.

Further, with respect to the chemical diffusion plate 3, as shown in FIG. 4, a side wall 32 can be formed on at least one side edge portion, and in that case, when the snow melting agent spraying device A is installed on the snowplow. Since it can be taken as a windproof measure, the snow melting agent D discharged from the discharge portion 12 of the hopper 1 is less likely to be scattered by the wind. Further, by providing the side wall 32 on the chemical diffusion plate 3, it becomes difficult for rain or snow to enter on the slope surface 31, so that the slope surface 31 becomes difficult to get wet with rain or snow.

[6] Installation method on a snowplow Next, an installation method of the snow melting agent spraying device A will be described. First, as shown in FIG. 5, the snow melting agent spraying devices A and A are installed with the chemical diffusion plate 3 arranged in front of or behind the tire T of the snowplow C. Further, in this embodiment, two snow melting agent spraying devices A and A are symmetrically arranged above the left and right tires T and T on the rear wheel side, and the agent is diffused in front of the left and right rear tires T on the biaxial rear wheel. The snow melting agent spraying device A is installed so that the plate 3 comes.

By installing the snow melting agent spraying device A as described above, the snow melting agent D can be sprayed on the road in front of the tire T from the traveling snowplow C. The surface can be melted and the surface of the snowplow can be made uneven to prevent rut slipping. The same effect can be obtained when the snow melting agent spraying device A is installed in front of the front tire T of the biaxial rear wheel and the snow melting agent D is sprayed.

Further, in this embodiment, the pipe portion 12 is branched in the lateral width direction of the drug diffusion plate 3 in consideration of the double tire, and the structure is provided with two discharge ports R and R. Therefore, in front of each tire T of the double tire. On the other hand, the snow melting agent D can be sprayed. Further, in this embodiment, since the spraying range is expanded by using the chemical diffusion plate 3, it is not necessary to form the discharge port R of the discharge port 12 in an elongated shape according to the tire width, and the discharge port R is clogged. No worries about doing it.

Further, in the present embodiment, in the rear wheel two-axle vehicle, the snow melting agent spraying device A is installed with the drug diffusion plate 3 arranged between the front and rear rear wheel tires T and T', so that the snow melting agent spraying device A is installed. Can be easily attached to the fender F. Specifically, as shown in FIG. 6, the fender F can be fastened with bolts and nuts while the fender F is sandwiched between the fixture B at the lower part of the hopper 1 and the upper end of the drug diffusion plate 3. Further, in this embodiment, another channel type fixing tool B'is provided at the lower part of the hopper 1 via the horizontal support tool S, and the snow melting agent spraying device A is stabilized by the front and rear fixing tools B and B'. It is attached to the fender F.

Further, when the snow melting agent spraying device A is installed behind the front tire T'of the biaxial rear wheel as in this embodiment, the chemical diffusing plate 3 exerts the effect of mudguarding, so that the front tire of the biaxial rear wheel There is no concern that the water splashed by T'is applied to the discharge portion 12 of the hopper 1. The same effect can be obtained when the snow melting agent spraying device A is installed behind the front tires and the rear tires T of the two-axle rear wheels to spray the snow melting agent D.

"Example 2"
Next, Example 2 of the present invention will be described below with reference to FIGS. 7 to 9. In the figure, what is designated by reference numeral 4 is a storage tank for storing a liquid snow melting agent, and what is designated by reference numeral 5 is a discharge pipe.

"Configuration and installation method of snow melting agent spraying device"
[1] Basic configuration First, the basic configuration of the snow melting agent spraying device A will be described. In the second embodiment, as shown in FIGS. 7 and 8, one end of the discharge pipe 5 is connected to the storage tank 4 for storing the liquid snow-melting agent to form the snow-melting agent spraying device A. Then, when the on-off valve 52 provided at the intermediate portion is opened from the discharge ports 51 and 51 provided on the other end side of the discharge pipe 5, the snow melting agent in the accommodation tank 4 passes downward through the discharge pipe 5. It is made to be discharged to.

[2] Installation method and spraying function Next, the installation method of the snow melting agent spraying device A will be described. In this embodiment, as shown in FIGS. 9A and 9B, the accommodating tank 4 is fixed on the vehicle body of the snowplow C by the fixtures B and B, and the discharge port 51 of the discharge pipe 5 is fixed to the left and right tires T. It is placed above. As a result, during the snow removal work, the snowmelting agent can be sprayed while being applied to the lower tire T from the discharge port 51 of the discharge pipe 5, so that an excellent snowmelting effect can be obtained by stepping on the snowmelting agent by the tire T.

[3] Containment tank Next, each component of the snow melting agent spraying device A will be described. First, regarding the storage tank 4, in the present embodiment, as shown in FIGS. 7 and 8, a container having a predetermined size (capacity) provided with the input port 41 is arranged at the center of the left and right sides of the vehicle body of the snowplow C. .. However, a plurality of storage tanks 4 may be used, and in that case, they may be arranged in the vicinity of the left and right tires T and T, respectively. The material of the storage tank 4 may be metal or plastic.

[4] Discharge pipe [4-1] Shape of discharge pipe In this embodiment, the discharge pipe 5 is accommodated so that the snow melting agent can be sprayed from one accommodating tank 4 to both sides of the vehicle body. It is formed in a bifurcated shape toward both sides of the tank 4, and the discharge ports 51 and 51 of the branch pipes 53 and 53 are arranged above the left and right tires T and T of the snowplow C. However, it is also possible to use a plurality of discharge pipes 5 having a shape that is not branched. It can be placed above the T / T.

Further, when the branched discharge pipe 5 is used as in the present embodiment, the discharge pipe 5 branched into three or more branches is used at three or more positions (for example, the upper position of the left and right tires of the front and rear wheels and the double tire). It is also possible to spray the snow melting agent from the upper position of each tire lined up on the left and right sides of the tire, and the upper position of each rear wheel tire lined up in front of and behind the rear wheel twin axle.

Further, in this embodiment, the accommodation tank 4 is placed in the center of the left and right sides of the vehicle body by designing the distance between the discharge ports 51 and 51 of the branch pipes 53 and 53 according to the distance between the left and right tires T and T of the snowplow C. When arranged, the discharge ports 51 and 51 are arranged above the left and right tires T and T. When a plurality of storage tanks 4 are used, a discharge pipe 5 having a branched or non-branched shape can be connected to each storage tank 4.

Further, the connection position of the discharge pipe 5 is connected to the side surface portion of the storage tank 4 so that the snow melting agent is discharged from the storage tank 4 by its own weight in this embodiment, but is connected to the lower surface portion of the storage tank 4. In addition, when a pump or the like is used, the discharge pipe 5 can be inserted into the tank from above the accommodation tank 4 and connected. Further, in this embodiment, the shape of the discharge pipe 5 is such that the discharge port 51 faces downward, but a shape in which the discharge port 51 faces sideways can also be adopted.

Further, regarding the hole shape of the discharge port 51 of the discharge pipe 5, although the hole shape having a circular cross section is adopted in this embodiment, an elongated hole shape along the width direction of the tire T can also be adopted. It is also possible to form a plurality of holes in the discharge port 51. Further, an orifice may be provided at the discharge port 51 so that diffusion spraying can be performed. Further, the thickness of the discharge pipe 5 can be appropriately changed according to the required amount of the snow melting agent discharged, and the material can be made of metal or plastic.

Further, in this embodiment, the discharge port 51 of the discharge pipe 5 is arranged above the rear wheel tire T and is arranged in front of the front / rear center line L of the rear wheel tire T to discharge from the discharge port 51. The snow-melting agent is surely applied to the tire T. If the discharge port 51 is placed at a position away from the tire T, the discharged snow-melting agent will be swept backward by wind or the like and will not easily catch on the tire T. Therefore, the discharge port 51 should be placed as close to the tire T as possible. Is preferable.

[4-2] On-off valve For the on-off valve 52 provided in the discharge pipe 5, an electromagnetic valve that can be remotely controlled is used in this embodiment to start and stop spraying the snow-melting agent from the driver's seat during snow removal work. However, when the accommodation tank 4 is arranged at a position close to the driver's seat, a manual valve can also be adopted. Further, regarding the arrangement of the on-off valve 52, in the present embodiment, the on-off valve 52 is arranged in the portion before the branch of the discharge pipe 5, but the on-off valve 52 may be provided in each of the branch pipes 53 and 53, respectively.

[4-3] Flow rate control valve In this embodiment, as shown in FIGS. 7 and 8, flow rate control valves 54 and 54 can be provided in the middle portion of the discharge pipe 5 to appropriately adjust the discharge amount of the snow melting agent. I am doing it. In this embodiment, a manual valve is used for the flow rate control valves 54 and 54 so that the flow rate can be adjusted to an arbitrary level in advance before the snow removal work, but during the snow removal work using a solenoid valve that can be remotely controlled. It is also possible to adjust the flow rate from the driver's seat. Further, regarding the arrangement of the flow rate control valve 54, although it is arranged in each branch pipe 53 and 53 in this embodiment, it can also be arranged in the portion before branching.

Although the present invention is generally configured as described above, the present invention is by no means limited to the illustrated embodiment, and various modifications can be made within the description of "Claims", for example. The installation target of the snow melting agent spraying device A includes a single-tire snowplow and a uniaxial rear wheel snowplow, and can be installed on the front wheel side or the rearmost wheel in terms of the installation position. It belongs to the technical scope of.

1 hopper
11 Input port
11a lid
12 Discharge section
12a pipe part
12b Guide part 2 Drug discharge device
21 Gear type rotating body
22 Motor 3 Drug diffuser
31 slope surface
32 Side wall 4 Storage tank
41 Input port 5 Discharge pipe
51 Outlet
52 On-off valve
53 Branch pipe
54 Flow control valve A Snow melting agent spraying device D Snow melting agent R Discharge port G Groove B Fixture C Snowplow T Tire F Fender L Front and rear center line

Claims (11)

A snow melting agent spraying device for spraying the snow melting agent (D) on the road from a running snowplow.
A hopper (1) having a snow-melting agent (D) accommodating portion (11) at the upper portion and a snow-melting agent (D) discharging portion (12) at the lower portion; With the drug discharge device (2) provided between the 11) and the discharge portion (12); the lower part has a slope surface (31) that descends from the proximal end side toward the distal end side, and this slope surface (31). ) Is configured to include a drug diffusion plate (3) arranged so as to be below the discharge portion (12) of the hopper (1).
When the snow-melting agent (D) contained in the hopper (1) is discharged from the discharge portion (12) by the drug discharging device (2), the released snow-melting agent (D) is released from the drug diffusion plate (3). A snow melting agent spraying device characterized in that a snow melting agent is sprayed on a rut portion by dropping the snow melting agent downward while diffusing it in the width direction of the slope surface (31) on the slope surface (31). The snow melting agent spraying device according to claim 1, wherein the width of the slope surface (31) of the drug diffusion plate (3) is 250 mm to 600 mm. The discharge portion (12) of the hopper (1) is provided with a pipe portion (12a) in the vertical direction, and this pipe portion (12a) is branched in the lateral width direction of the drug diffusion plate (3) to provide two discharge ports (R). ) The snow melting agent spraying device according to claim 1 or 2, wherein the structure is provided with (R). A rotor type rotor-type rotating body (21) having a groove (G) formed in the lateral width direction of the drug diffusion plate (3) is rotationally driven by a motor (22) as the drug discharging device (2). The snow melting agent spraying device according to claim 3, wherein the snow melting agent is sprayed. The snow melting agent spraying device according to any one of claims 1 to 4, wherein a side wall (32) is formed on at least one side edge of the drug diffusion plate (3). The snow melting agent spraying device (A) according to claim 1 is provided with a snow melting agent spraying device, characterized in that the drug diffusion plate (3) is installed in a state of being arranged in front of or behind the tire (T). Snowplow. A claim characterized in that a snow melting agent spraying device (A) is installed in a state where a chemical diffusion plate (3) is arranged between front and rear rear wheel tires (T) (T') in a rear wheel two-axle vehicle. A snowplow equipped with the snow melting agent spraying device according to 6. A snow melting agent spraying device (A) for spraying a liquid snow melting agent on the road from a running snowplow is connected to a storage tank (4) for storing the snow melting agent; one end is connected to this storage tank (4). The snow melting agent in the storage tank (4) is provided with a discharge port (51) at the other end and an on-off valve (52) at an intermediate portion when the on-off valve (52) is opened. Is configured to include a discharge pipe (5) discharged from the discharge port (51), while
The snow melting agent spraying device (A) is installed in a snowplow with the discharge port (51) of the discharge pipe (5) arranged above the tire (T) so that the snow melting agent is applied to the tire (T). A snowplow equipped with a snowplow spraying device, which is characterized by spraying a liquid snowplow on the ruts . The discharge port (51) of the discharge pipe (5) is arranged above the rear wheel tire (T) and is arranged in front of the front / rear center line (L) of the rear wheel tire (T). A snowplow provided with the snow melting agent spraying device according to claim 8. The storage tank (4) is arranged in the center of the left and right sides of the vehicle body of the snowplow, and the discharge pipe (5) is formed in a bifurcated shape toward both sides of the storage tank (4), and each branch pipe is formed. (53) The snow melting agent according to claim 8 or 9, wherein the discharge ports (51) (51) of (53) are arranged above the left and right tires (T) (T) of the snowplow. A snowplow equipped with a spraying device. It is a snow melting agent spraying device for spraying a liquid snow melting agent on the road from a running snowplow.
An accommodating tank (4) for accommodating the snow melting agent; one end is connected to the accommodating tank (4), the other end is provided with a discharge port (51), and an on-off valve (52) is provided at an intermediate portion. It is provided and is configured to include a discharge pipe (5) in which the snow melting agent in the storage tank (4) is discharged from the discharge port when the on-off valve (52) is opened.
The discharge pipe (5) is formed in a bifurcated shape toward both sides of the accommodation tank (4), and the discharge ports (51) (51) of the respective branch pipes (53) (53) are snowplows. A snow melting agent spraying device characterized in that a liquid snow melting agent is sprayed on a rut portion by being arranged at intervals according to the distance between the left and right tires.

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