JP2002173923A - Antifreeze spraying car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a spraying car constituted so as to uniformly spray an antifreeze by fining the antifreeze in the spraying car for spraying the antifreeze including a large quantity of coarse particles having a large diameter. SOLUTION: In this spraying car constituted so that the antifreeze is carried backward by a carrier conveyor from the opening lower end of a hopper arranged on a spraying car body, and is dropped on a rotating spraying disk via a chute from the rear end of the carrier conveyor to spray the antifreeze on a road surface, a pair of front and rear rotary rollers are arranged in the upper part of the chute, a nozzle is arranged for spraying solution toward these rotary rollers, the antifreeze is wetted with the solution sprayed from the nozzle, and after crushing the antifreeze into fine particles by a crushing tooth projected on an outer peripheral surface of the rotary rollers, the fine particles are sprayed on the road surface by the spraying disk.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spraying vehicle for spraying a deicing agent on a road surface, which is provided with a crushing means for crushing a large diameter antifreezing agent.

[0002]

2. Description of the Related Art Conventionally, in the winter season, a deicing agent has been sprayed on an icy and snowy road surface to prevent the road surface from freezing. As such an antifreeze spraying vehicle, a powdery antifreeze is usually stored in a defrosting agent storage hopper installed in the spraying vehicle main body, and the spraying vehicle main body is conveyed from a bottom opening end of the storage hopper by a conveyor. , Is dropped on a spraying rotating disk of a spraying device through a chute, and sprayed on a road surface.

On the other hand, there is a demand for driving a car at a constant speed which is almost the same as that in summer even in winter with the improvement of the road for automobiles. An antifreezing agent containing sodium chloride or calcium chloride as a main component is sprayed on the road surface so that the road surface does not freeze.

[0004]

However, sodium chloride or calcium chloride powder as a deicing agent absorbs moisture so strongly that it binds and solidifies in a short period of time. If they are piled up, they have the property that they are condensed under the pressure of their own weight and become large lumps even without moisture. For this reason, at present, such large-diameter coarse-grained or lump-shaped deicing agents are manually crushed before being mounted on the spreading vehicle, but the crushing by hand only lowers the processing efficiency. It is difficult to pulverize until it becomes fine and granular. Furthermore, even if the coarse or massive antifreeze is once crushed, the antifreeze spraying vehicle has a large hopper capacity, and sometimes the coagulates again in the hopper and the particle size becomes large, making it difficult to spray. is there.

[0005] Further, when the deicing agent is sprayed on the road surface by a spraying vehicle, there is no problem with the fine-particle deicing agent, but when the deicing agent containing a large-diameter antifreezing agent having a diameter of 1 cm or more is used during traveling. In addition to the possibility that the vehicle will splash large-diameter particulate matter and damage the opposing vehicle, there will also be a variation in the distribution density and a part of the road surface will not be able to sufficiently exert the anti-freezing effect. There is a problem, and besides, if the surface area of each granular material is large, it takes more time to melt due to the contact of snow compaction, frozen road surface, etc. than the fine-grained material of the same mass, and the immediate effect is poor. Problems will arise.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to mix large-diameter coarse particles put in a hopper of a spraying vehicle main body or to mix large-diameter particles in a hopper. Another object of the present invention is to provide an antifreeze spraying vehicle that can uniformly atomize the generated antifreeze and spray it.

[0007]

In order to achieve the above object, an antifreeze spraying vehicle according to the present invention is housed in an antifreeze storage hopper installed in a spraying vehicle main body. The antifreezing agent is transported from the bottom open end of the storage hopper to the rear of the spraying vehicle main body by a transport conveyor,
An antifreeze spraying vehicle configured to spray an antifreeze onto a road surface by a spraying device disposed at a rear end of the spraying vehicle main body from the transport conveyor through a chute. The antifreezing agent finely arranged by the crushing means is sprayed by a spraying device.

[0008] In the above-mentioned vehicle for spraying an antifreezing agent, the present invention is characterized in that:
The invention according to the invention is characterized in that a solution injection nozzle opened toward the antifreeze crushing means is provided at the upper end of the chute above the antifreeze crushing means.

The invention according to claim 3 is a preferable technical means as the above-mentioned means for crushing the antifreezing agent, comprising a ring-shaped ridge having a large number of crushing teeth projecting from the outer peripheral surface and a circumferential groove. As a structure consisting of a pair of front and rear rotating rolls alternately provided in the length direction, arranged in front and rear with the ring-shaped ridge of the other rotating roll engaged with the circumferential groove of one rotating roll I have.

Further, in the invention according to claim 4, the conveyor is a belt conveyor, and a gate for controlling the cross-sectional area of the anti-freezing agent is provided at the end of the conveyor, and freezing by the belt conveyor is performed. It is characterized in that the inhibitor transport speed is controlled in synchronization with the traveling speed of the spraying vehicle.

[0011]

The deicing agent contained in the antifreezing agent storage hopper installed in the spraying car body is sent out onto the conveyor from the bottom opening end of the hopper, and is disposed at the rear end of the spraying car body from the conveying conveyor. It is thrown into the shooting chute.
An antifreeze crushing means is provided in the upper part of the chute, and the antifreeze crushing means crushes the large diameter antifreeze (coarse particles) into fine particles of uniform size. After passing through the means, it is spread on the road surface by a spreading device arranged below. Therefore, it is possible to not only prevent the oncoming vehicle from being damaged by the splashing of large-diameter coarse particles by the traveling vehicle and to ensure safe traveling, but also to make the spraying density on the road surface uniform and show immediate effect after spraying. In addition, the snow melting effect on the entire road surface can be made uniform.

Further, by disposing a solution injection nozzle opened toward the deicing agent crushing means at the upper end of the chute above the deicing agent crushing means,
It is possible to wet the antifreeze by spraying a solution onto the antifreeze that falls from the chute onto the antifreeze crushing means, and by spraying the wet antifreeze,
Immediate effect can be improved, and after the work of spraying the deicing agent on the road surface, the solution is sprayed from the nozzle toward the deicing agent crushing means from the nozzle, whereby the deicing agent is crushed by the solution. The anti-freezing agent adhering to the means is washed away, and the anti-freezing agent crushing means can be smoothly operated without hindrance during the subsequent spraying operation, so that the anti-freezing agent can be crushed.

The anti-freezing agent crushing means comprises a pair of front and rear rotating rolls in which a ring-shaped ridge having a large number of crushing teeth projecting from the outer peripheral surface and a circumferential groove are alternately provided in the longitudinal direction. The ring-shaped ridge of the other rotating roll is engaged with the circumferential groove of the other rotating roll, and is arranged back and forth. Once the dropped deicing agent is once received between the upper and lower peripheral portions of the pair of front and rear rotating rolls, a uniform particle size is obtained by the crushing teeth projecting from the outer peripheral surfaces of these rolls by the rotation of the rotating rolls. While being crushed, it can be passed between rotating rolls and dropped on a spraying device.

Further, by adopting a belt conveyor as a conveyor for conveying the anti-freezing agent from the hopper to the chute side, the conveyance amount does not decrease due to clogging caused by a structure such as a screw conveyor. A predetermined amount of anti-freezing agent can be smoothly transferred to the chute side, and a gate for controlling the cross-sectional area of the anti-freezing agent is provided at the end of the transfer, and the anti-freezing agent is transferred by the belt conveyor. By configuring so that the speed is controlled in synchronization with the traveling speed of the application vehicle, it is possible to adjust the application density of the antifreeze to the road surface so as to be always constant.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, specific embodiments of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 denotes a spraying vehicle main body, on which a deicing agent storage hopper 2 is mounted and installed. Both side walls of the hopper 2 are formed as inclined wall surfaces inclined in a direction approaching each other toward the lower end and open at the lower end, and a belt conveyor that conveys the deicing agent A rearward along the open lower end. Transport conveyor 3 is provided. The conveyor 3 is disposed horizontally from the front to the rear end of the spraying vehicle main body 1 and at least the front upper surface of the conveyor 3 is a bottom portion serving as a deicing agent discharge port of the storage hopper 2. It faces below the open end.

Reference numeral 4 denotes a rectangular tube-shaped chute fixed to the rear end face of the spraying car body 1, which has a rectangular cross section and a width in the front-rear direction toward the lower end opening. Is gradually narrowed so that the upper end opening of the chute 4 faces the lower end of the conveying conveyor 3 so that the antifreezing agent A discharged from the conveying conveyor 3 is received in the upper end opening. Make up.

Reference numeral 5 denotes a vertical rotating shaft 5a on the rear surface of the chute 4.
A sprinkler that rotatably supports the vertical rotating shaft
The lower end of 5a is integrally fixed to the center of the rotary spreading disk 5b, and the lower end opening of the chute 4 faces the upper surface of the rotary spreading disk 5b. A drive motor 6 for rotating the vertical rotation center shaft 5a is mounted on the upper end of a bearing portion which has the spraying blades 5c protruding at regular intervals in the circumferential direction on the outer peripheral portion and which supports the vertical rotation center shaft 5a. I have.

Reference numeral 7 denotes a deicing agent crushing means comprising a pair of front and rear rotating rolls 7a, 7a rotatably disposed in the upper portion of the chute 4, and the outer circumferential surfaces of these rotating rolls 7a, 7a are shown in FIG. As shown in FIG. 4, ring-shaped ridges 71 and circumferential grooves 72 are provided alternately at small intervals in the length direction, and crushed teeth 7b having a sawtooth shape are continuously formed on the ring-shaped ridges 71 in the circumferential direction. It is formed intermittently, or intermittently, and the ring ridge 71 of one rotating roll 7a is engaged with the circumferential groove of the other rotating roll 7a, and is arranged side by side in the front-rear direction. Both ends are rotatably supported on both side surfaces of the chute 4 respectively. In addition, the shape of the crushing teeth 7b may be formed in an appropriate shape such as a triangular shape other than the sawtooth shape, and the number of the crushing teeth 7b may be arbitrary. Ring-shaped ridges 71 adjacent to both ends from the crushing teeth 7b of the 71,
7b is sequentially shifted in the circumferential direction as appropriate, and these crushing teeth 7b,
While crushing the deicing agent by 7b, left and right crushing teeth 7b,
It is configured to drop downward through the gap between 7b.

Further, gears 7d, 7d meshing with each other are fixed to the ends of these rotating rolls 7a, 7a protruding from the chute 4, and a motor 8 with a transmission is attached to one end of one of the rotating rolls 7a. 2, and these rotary rolls 7a, 7a are rotated by the motor 8 with the transmission. As shown in FIG. 2, the front rotary roll 7a has its upper peripheral side rotated from front to rear, and The rotating roll 7a is configured so that its upper peripheral portion rotates from rear to front.

A V-shaped antifreeze receiving groove 7c is formed between the upper peripheral portions of the rotating rolls 7a, 7a, and the lower ends of the receiving grooves 7c are engaged with the rotating rolls 7a, 7a. The lower end is in contact with or close to the upper peripheral portion of the rotating rolls 7a, 7a at the portion where the rotating rolls 7a, 7a are disposed and at the front and rear opposing surfaces of the chute 4 at the portion where the rotating rolls 7a, 7a are provided. Control plates 10 and 10 are provided to prevent the deicing agent from being thrown out of the receiving groove 7c. The anti-freezing agent crushing means including a pair of front and rear rotating rolls 7a, 7a may be disposed in the upper part of one chute 4, but as shown in FIG. It may be configured separately and communicated with each other.

On the upper end of the chute 4 above the deicing agent crushing means 7, a number of sprays for spraying the solution toward the upper peripheral surfaces of the pair of front and rear rotating rolls 7a, 7a in the deicing agent crushing means 7 are provided. A tubular solution spray nozzle 9 having an opening is provided, and this solution spray nozzle 9 is connected to and communicates with a solution tank 12 mounted on the undercarriage of the spraying car body 1 through a pipe 11. By operating the solution pump 13 interposed in the appropriate position, the solution in the solution tank 12 is sprayed from the nozzle 9 onto the antifreeze crushing means 7 in the chute 4 through the pipe 11. .

On the rear end surface of the hopper 2, there is provided a gate 15 which is moved up and down by a cylinder 14. When the lower end of the gate 15 faces the transfer end of the transfer conveyor 3, the lower end of the gate 15 And the space between the deicing agent conveying surfaces of the conveyor 3, that is, the cross-sectional area of the antifreezing agent A, is changed. The control is performed in synchronization with the traveling speed. Further, the solution pump 13 is also configured to control the rotation speed thereof in synchronization with the transport speed of the antifreezing agent A.

In order to spray the wet deicing agent 5 on the road surface by using the antifreezing agent spraying vehicle constructed as described above, first,
An antifreezing agent A made of imported raw salt and the like, in which a large amount of large-diameter coarse particles are mixed, is charged and stored in the antifreezing agent storing hopper 2. When the conveyor 3 composed of a belt conveyor is operated by a drive motor (not shown) at a conveying speed corresponding to the traveling speed of the spraying car main body 1 at the spraying site, the conveyor 3 is moved from the bottom opening end of the hopper 2. The antifreezing agent A discharged above is conveyed backward by the conveyor 3 and leveled by a gate 15 so as to have a predetermined cross-sectional area at the end of the conveyance. From the upper end of the chute 4.

In the opening at the upper end of the chute 4, a pair of front and rear rotating rolls 7a, 7a constituting the deicing agent crushing means 7 are disposed as described above. The deicing agent A is once received in the receiving groove 7c formed between these rotary rolls 7a, 7a. On the other hand, a solution corresponding to the amount of the anti-freezing agent A injected into the chute 4 is sprayed toward the anti-freezing agent crushing means 7 from a solution spray nozzle 9 disposed at the upper end of the chute 4.

Therefore, the antifreezing agent A is supplied to the rotating rolls 7a, 7a
Rotating rolls 7a, 7a while being wetted by the solution
With the rotation of the rotating rolls 7a, the crushing teeth 7b, 7b protruding from the outer peripheral surface of the rotating rolls 7a, are scraped toward the center of the receiving groove 7c, and are drawn into the engagement between the rotating rolls 7a, 7a. The coarse particles having a large diameter are crushed by the crushing teeth 7b, 7b into uniform fine particles having a small diameter, and are discharged downward into the chute 4 through the gap between the rotating rolls 7a, 7a.

The rotation speed of the pair of front and rear rotating rolls 7a, 7a constituting the crushing means is the speed of the conveyor 3 supplied from the hopper 2, that is, the speed of the conveyor 3
Is adjusted by changing the rotation speed of the motor 8 with the transmission in accordance with the amount of the deicing agent A per unit time transported by the above, and receives the deicing agent A supplied from the transport end of the transport conveyor 3 in the receiving groove 7c. Crushed by the rotating rolls 7a, 7a without leaving a
The spraying blades 5c which are dropped on the rotating spraying disk 5b of the spraying device 5
Is sprayed on the road surface.

As described above, the anti-freezing agent A containing the large-diameter coarse particle or massive anti-freezing agent is projected inside the chute 4 onto the outer peripheral surfaces of the rotating rolls 7a, 7a of the anti-freezing agent crushing means 7. While being crushed into fine particles by the provided crushing teeth 7b, 7b and passing through the rotating rolls 7a, 7a while being wetted by the solution sprayed from the solution spray nozzle 9, the spraying device 5
Is spread evenly on the road surface. When the spraying operation is completed,
While the conveyance of the antifreeze agent A is stopped, a solution is sprayed from the solution spray nozzle 9 onto the rotary rolls 7a, 7a while rotating the pair of rotary rolls 7a, 7a before and after the antifreeze crushing means 7. The antifreezing agent adhering to the rotating rolls 7a, 7a is washed and removed to prepare for the next spraying operation.

In the above embodiment, the solution spray nozzle 9 is disposed at the upper end of the chute 4 to moisten the deicing agent A, but is disposed below the rotating rolls 7a, 7a. Alternatively, such a solution spray nozzle 9 may be used.
Without providing the conveyor 3 as shown in FIG.
The anti-freezing agent A put into the chute 4 by the rotation is directly used as a pair of rotating rolls 7 before and after the anti-freezing agent crushing means 7.
a, the rotary spraying disc 5 of the spraying device 5 while being crushed by 7a.
b, and may be configured to be sprayed on the road surface without being actively wetted. The other configuration is the same as that of the above-described embodiment.

[0029]

As described above, according to the antifreeze spraying vehicle of the present invention, the antifreezing agent stored in the antifreezing agent storage hopper installed on the spraying vehicle body is opened from the bottom opening end of the storage hopper. In the antifreeze spraying vehicle configured to be conveyed to the rear of the spraying car main body by the conveying conveyor, and to spray the antifreeze on the road surface by the spraying device arranged at the rear end of the spraying car main body through the chute from the conveying conveyor, An antifreeze crushing means is disposed in the upper part of the chute, and the antifreeze crushed by the crushing means is configured to be sprayed by the spraying device, so that the antifreeze is conveyed rearward by the conveyor. When the anti-freezing agent is sent from the conveyor to the spraying device through the chute, the anti-freezing agent is finely crushed to a uniform particle size by the anti-freezing agent crushing means disposed in the upper part of the chute. Therefore, the antifreeze containing the large-diameter coarse-grained or massive antifreeze can be directly supplied into the hopper without previously crushing the antifreeze manually, Even if the remaining deicing agent stays in the hopper, it is a hopper with a bottom opening with a large opening, so that the deicing agent can be transported reliably and the appropriate particle size is spread over the entire road surface by the spraying device. It can spray the deicing agent and prevent the oncoming vehicle from being damaged by the splashing of large-diameter coarse particles by the traveling vehicle to ensure safe traveling. It can exert the effect and make the snow melting effect of the entire road surface uniform.

[0030] In the vehicle for spraying the deicing agent,
In the invention according to the invention, since the solution jet nozzle opened toward the antifreeze crushing means is disposed at the upper end of the chute above the antifreeze crushing means, it falls from the chute onto the antifreeze crushing means. The antifreezing agent can be sprayed with the solution to wet the antifreezing agent, and by spraying the wet antifreezing agent, the immediate effect can be further improved, and after the operation of spraying the antifreezing agent on the road surface is completed. In, by injecting the solution from the nozzle from the solution injection nozzle toward the antifreeze crushing means,
The antifreezing agent attached to the antifreezing agent crushing means can be washed away by the solution, so that the antifreezing agent crushing means operates smoothly without hindrance during the subsequent spraying operation to perform the crushing treatment of the antifreezing agent. be able to.

In addition, the means for crushing the antifreezing agent is defined in claim 3.
As described in the above, a pair of front and rear rotating rolls provided alternately in the length direction with a ring-shaped ridge and a circumferential groove projecting a large number of crushing teeth on the outer peripheral surface, one of the rotating rolls Since the ring-shaped ridge of the other rotating roll is engaged with the circumferential groove and is arranged back and forth, the structure is simple and can be provided at low cost, and the antifreeze spraying vehicle in use can be provided. Also, the anti-freezing agent that has fallen into the upper end opening of the chute from the transport end of the transport conveyor can be easily attached, once between the upper peripheral portions of the pair of front and rear rotating rolls.
After being received, the rotation of the rotating roll allows the antifreezing agent to be crushed to a uniform particle size while forcibly attracting the antifreezing agent to the crushed portion with the crushing teeth and dropped on the spraying device.
Changing the rotation speed of the rotating rolls according to the transport speed of the conveyor that transports the wet deicing agent in an amount corresponding to the vehicle speed, the amount of spraying on the road surface, and the road surface width Can be sprayed.

Further, according to the present invention, the conveyor is a belt conveyor, and a gate for controlling the cross-sectional area of the antifreeze agent is provided at the end of the conveyor, and the conveyor is provided with a gate. It is configured to control the antifreeze transport speed in synchronization with the traveling speed of the spraying vehicle, so that the transport amount does not decrease due to clogging such as a screw conveyor, etc. It can be transported smoothly to the chute side,
A gate for controlling the cross-sectional area of the anti-freezing agent is provided at the end of the conveyor of the belt conveyor so that the speed of conveying the anti-freezing agent by the belt conveyor is controlled in synchronization with the traveling speed of the spraying vehicle. Therefore, it is possible to adjust the spray density of the antifreezing agent to the road surface so as to be always constant.

[Brief description of the drawings]

FIG. 1 is a simplified perspective view of a deicing agent spraying vehicle seen from the back side.

FIG. 2 is a longitudinal side view of a portion provided with a crushing device including a pair of rotating rolls;

FIG. 3 is a plan view of a pair of rotating rolls;

FIG. 4 is an enlarged side view of a part thereof;

FIG. 5 is a simplified perspective view of a main part showing another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spraying car main body 2 Storage hopper 3 Conveyor 4 Chute 5 Spraying device 7 Antifreeze crushing means 7a Rotating roll 7b Crushing teeth 9 Solution spray nozzle

Claims (4)

[Claims] 1. An antifreezing agent stored in a deicing agent storage hopper installed in a spraying vehicle main body is conveyed to the rear of the spraying vehicle main body from a bottom opening end of the storing hopper by a conveying conveyor, and In a deicer spraying vehicle configured to spray a deicing agent on a road surface by a spraying device disposed at a rear end of a spreading vehicle body through a chute, a deicing agent crushing means is disposed in an upper portion of the chute, An antifreezing agent spraying vehicle, wherein the antifreezing agent finely divided by the crushing means is sprayed by a spraying device. 2. The antifreeze according to claim 1, wherein a solution spray nozzle opened toward the antifreeze crushing means is provided at the upper end of the chute above the antifreeze crushing means. Agent sprayer. 3. The deicing agent crushing means comprises a pair of front and rear rotating rolls in which a ring-shaped ridge having a large number of crushing teeth projecting from the outer peripheral surface and a circumferential groove are alternately provided in a length direction. The antifreezing agent spraying according to claim 1 or 2, wherein a ring-shaped ridge of the other rotating roll is engaged with a circumferential groove of one rotating roll and arranged in front and rear. car. 4. A conveyor belt having a gate for controlling the cross-sectional area of the anti-freezing agent at the end of the conveyor, and controlling the speed of conveying the anti-freezing agent by the belt conveyor. The vehicle according to claim 1, wherein the vehicle is configured to be controlled in synchronization with the traveling speed.