JP2016032970A - Tire cleaning structure and cleaning device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tire cleaning structure and a cleaning device capable of acquiring preferable cleaning efficiency, without using a driving source for discharge of cleaning water.SOLUTION: A tire cleaning structure and a cleaning device are disposed on a track of a vehicle and jet cleaning water to tires of the vehicle which passes the track. The tire cleaning structure and the cleaning device comprise: an elastically deformable cylindrical body; a step board capable of pressing the cylindrical body from an upper side; a water supply port which is connected to one end of the cylindrical body, and supplies cleaning water; and a water discharge port which is connected to the other end of the cylindrical body and discharges the cleaning water. When the vehicle passes on the step board, the cylindrical body is crushed by downward movement of the step board, and the cleaning water in the cylindrical body is jetted from the water discharge port to tires of the vehicle, therefore cleaning the tires.SELECTED DRAWING: Figure 1

Description

  TECHNICAL FIELD The present invention relates to a tire cleaning structure and a cleaning device, and more particularly, to a structure provided on a traveling road of a vehicle, the tire cleaning structure for injecting cleaning water onto a tire of a vehicle passing through the traveling road, and The present invention relates to a cleaning device.

Construction vehicles such as dump trucks need to remove mud and dirt adhering to tires and the like before leaving on public roads.
As this removal method, there are a method of forcibly injecting water with a high-pressure washing machine to wash tires and the like, a method of passing a construction vehicle through a water tank, and the like.
In addition, in Patent Document 1, a handle handle function part is provided at one end of an arm that rotates in a seesaw shape, and the other end of the arm is stepped on the construction vehicle, so that the water in the aquarium (wash water) is transferred from the handle handle function part. A tire cleaning device is disclosed that can clean a tire by splashing it on the tire.
The tire cleaning device described in Patent Document 1 is highly useful in that the power source is unnecessary and the structure is simple, so that the manufacturing cost can be kept low.

Japanese Patent No. 5152596

However, in the case of the tire cleaning device described in Patent Document 1, the following problems can be considered.
(1) Perspective of controllability In order to physically repel wash water at the handle function part, the amount of water in the aquarium and the shape of the handle function part must be changed It is necessary to change them, and it is difficult to variably control these during the cleaning operation.
(2) Viewpoint of cleaning efficiency Since the washing water splashed on the tire accumulates in the water tank together with the mud that has been washed away, each time it is used, the dirty washing water is splashed on the tire, resulting in poor washing efficiency.
(3) Viewpoint of washing direction Since the washing water splashed by the handle function part is applied from the front to the rear side of the tire, the washing power on the tire side face and the tire rear is relatively low.
Further, depending on the relationship between the tire diameter and the distance between the handle functions, it may be considered that the cleaning water is continuously splashed only on the cleaned portion.

  Therefore, it is an object of the present invention to provide a tire cleaning structure and a cleaning device that can obtain good cleaning performance without using a drive source for discharging cleaning water.

A first invention of the present application is a tire cleaning structure for providing cleaning water to a tire of a vehicle that is provided on a travel path of a vehicle and passes through the travel path, and an elastically deformable cylinder, and the cylinder At least a tread plate that can be pressed from above, a water supply port that is connected to one end of the cylinder and supplies cleaning water, and a water outlet that is connected to the other end of the cylinder and discharges the cleaning water. The present invention provides a tire cleaning structure.
A second invention of the present application is characterized in that, in the first invention, a plurality of the water outlets are provided for the cylindrical body.
A third invention of the present application is characterized in that, in the first or second invention, the tread is swingable in a seesaw shape.
According to a fourth invention of the present application, in any one of the first to third inventions, the invention further includes a shape holder that repairs the collapse of the cylindrical body in conjunction with the return operation of the tread plate to the initial position. It is characterized by that.
According to a fifth aspect of the present invention, there is provided a tire cleaning apparatus comprising a plurality of the tire cleaning structures according to any one of the first to fourth aspects.

According to the present invention, at least one of the effects described below can be obtained. (1) Viewpoint of production cost A simple structure in which a cylinder is crushed and washing water is ejected from a water outlet. In addition, since the drive source and the control device for controlling the injection timing are unnecessary, the manufacturing cost can be kept low.
(2) Controllability viewpoint By changing the position of the water discharge port, the cleaning location can be adjusted to any location even during the cleaning operation.
(3) Viewpoint of cleaning efficiency Since cleaning water is always sprayed onto the tire, the cleaning efficiency does not decrease.
(4) Viewpoint of cleaning direction Depending on the position of the water outlet, it is possible to ensure the cleaning power for the tire side face and the tire rear.

The schematic side view of the washing structure of the tire concerning the 1st example. The schematic front view of the washing structure of the tire concerning the 1st example. The schematic front view of the washing structure of the tire which concerns on 2nd Example. The schematic front view of the washing structure of the tire which concerns on 3rd Example. The schematic front view of the washing structure of the tire which concerns on 4th Example. The schematic plan view and schematic front view of the tire cleaning apparatus which concern on 5th Example.

  Embodiments of the present invention will be described below with reference to the drawings.

(Basic structure)
<1> Overall Configuration FIG. 1 is a schematic side view showing a basic structure of a tire cleaning structure according to the present invention.
In the tire cleaning structure according to the present invention, the cleaning water A can be contained therein, and the cylindrical body 10 that can be elastically deformed, the tread plate 20 that can move up and down above the cylindrical body 10, and the cylindrical body 10 It comprises at least a water supply port 30 and a water discharge port 40 to be connected.
By providing this cleaning structure in the middle of the traveling path of the vehicle, the tire B of the passing vehicle can be automatically cleaned.

<2> Tube Body The tube body 10 is a member for holding and pumping the cleaning water A.

[Cylinder material]
The cylinder 10 is configured to be elastically deformable. With this configuration, the cylindrical body 10 is crushed by an external pressing force, so that the cleaning water A inside the cylindrical body 10 can be ejected from the water discharge port 40.
Since injection of the cleaning water A by the cylinder 10 is repeatedly performed, it is preferable to employ a material excellent in restoring force and the number of repetitions as the material of the cylinder 10.

<3> Water Supply Port, Water Discharge Port The cylindrical body 10 is connected with a water supply port 30 for supplying the cleaning water A at one end and a water discharge port 40 for discharging the cleaning water A at the other end.
The water supply port 30 is a part that takes the cleaning water A into the cylindrical body 10 and is connected to a water source such as a water tank or a tank.
The water discharge port 40 is a portion that discharges the cleaning water held in the cylindrical body 10 and is arranged so that the cleaning water A is jetted onto the tire B of the passing vehicle. By adjusting the position of the water discharge port 40 and the water discharge direction, it is possible to exert a detergency on the tire side surface and the tire rear.
In this embodiment, the water supply port 30 and the water discharge port 40 are one-to-one with respect to the cylindrical body 10, but a plurality of the water supply ports 30 and the water outlets 40 may be provided for the cylindrical body 10.

[Control of washing water flow]
The inside of the cylinder 10 is configured such that the flow of the cleaning water A is in one direction from the water supply port 30 toward the water discharge port 40.
As an example of this configuration, there is a method in which a check valve is provided at any location where the cleaning water A flows. In this embodiment, check valves 31 and 41 are provided at the water supply port 30 and the water discharge port 41, respectively.
In addition, a pressure regulating valve 42 and a relief valve are provided in front of the check valve 41 so that the pressure of the cleaning water A in the cylinder 10 is increased to a set pressure sufficient for tire cleaning, and reaches the set pressure. The water can be discharged from the water outlet 40.

<4> Tread plate The tread plate 20 is a member for applying a pressing force to the cylindrical body 10 by the weight of the passing vehicle.
The tread board 20 is positioned above the cylinder body 10 and is configured to be movable up and down independently of the cylinder body 10 so that a pressing force can be applied to and released from the cylinder body 10.
An example of a configuration that allows the tread plate 20 to move up and down is shown in FIG.

<4.1> Connecting mechanism of tread (Fig. 2)
The tread plate 20 is a substantially flat member, and is provided with a support shaft portion 21 at one end and a free end 22 at the other end, and rotates about the support shaft portion 21 so that the position of the free end 22 moves up and down. Configure to be free.
The limit position of the downward movement of the free end 22 is a position where the lower surface of the free end 22 is in contact with the installation surface X.

<4.2> Top view of the tread (Fig. 2)
A slope can be appropriately provided on the upper surface of the tread plate 20.
In the present embodiment, in the initial state, the upper surface of the tread plate 20 is provided with a guide surface 23, an intermediate surface 24, and a return surface 25 in order from the direction of vehicle travel. Details of each surface will be described below.

<4.2.1> Guide surface The guide surface 23 is a surface for smoothly entering the vehicle.
In the initial state, the guide surface 23 is inclined upward toward the support shaft portion 21 side, so that the vehicle can easily enter the tread plate 20.
FIG. 2A shows a state in which the guide surface 23 is inclined by an angle θ from the horizontal direction.

<4.2.2> Intermediate surface The intermediate surface 24 is a surface for smoothly passing the vehicle.
The intermediate surface 24 is configured to be a horizontal surface in a state where the vehicle is passing, so that the vehicle can travel while maintaining a horizontal state.
As a result, the intermediate surface 24 has a downward slope (downward to the left) with respect to the horizontal direction in the initial state.

<4.2.3> Return surface The return surface 25 is a surface for urging the return of the tread plate 20 to the initial position after passing the vehicle.
The return surface 25 is provided at a position facing the intermediate surface 24 with the support shaft portion 21 interposed therebetween.
In this embodiment, the return surface 25 is on the same plane as the intermediate surface 24, but is not particularly limited.
By adopting such a configuration, when the tire B rides on the return surface 25, the guide surface 23 and the intermediate surface 24 of the tread plate 20 are moved up, so that the crushed cylinder 10 does not bear its own weight. The restoration of the cylindrical body 10 to the initial position is further promoted.

<5> Function / Operation The function / operation of the tire cleaning structure according to this embodiment will be described.
(1) Initial state (FIG. 2 (a))
The cylindrical body 10 maintains the original shape, and the tread plate 20 is in a state of being left standing on the cylindrical body 10.
The inside of the cylinder 10 is filled with cleaning water A.

(2) During vehicle traffic (Fig. 2 (b))
When the vehicle passes over the tread plate 20, the tire first rides on the guide surface 23, so that the tread plate 20 moves down, and the cylinder 10 is crushed as the tread plate 20 moves down. When the tire B reaches the intermediate surface 24, the cylinder 10 is completely crushed.
As the cylindrical body 10 is crushed, the internal cleaning water A is pushed out and ejected from the water outlet 40.
The flow of water in the cylinder 10 is restricted in one direction by the check valves 31 and 41 and does not flow back to the water supply port 40.

(3) After passing the vehicle (FIGS. 2B to 2A)
When the tire B reaches the return surface 25, the tread plate 20 moves upward, and the pressing force to the cylindrical body 10 is released. Therefore, the cylinder 10 is restored to the initial shape by its own elastic force.
At this time, the cleaning water A may be automatically sucked from the water supply port 30 with the negative pressure generated in the cylindrical body 10 during the process of restoring the cylindrical body 10, or the cylindrical body by other known techniques. The cleaning water A may be supplied into the water 10.

<6> Summary As described above, according to the tire cleaning structure according to this embodiment, the water inside the cylinder is injected along with the passage of the vehicle. Can be obtained.
In addition, it is possible to automatically change the introduction of tires to the tread, injection of washing water by pressing the cylinder, and return to the initial state according to the traffic of the vehicle. There is no need to provide a separate device.

A second embodiment of the present invention will be described with reference to FIG.
In this embodiment, the return surface 25 is configured to have an upward slope with respect to the intermediate surface 24.

  According to the tire cleaning structure according to the present embodiment, unlike the first embodiment, the tread can be positively shifted to the initial position while maintaining the vehicle position at substantially the same height.

A third embodiment of the present invention will be described with reference to FIG.
In this embodiment, the tread described in the first or second embodiment has a structure in which the guide surface 23 and the intermediate surface 24 are provided symmetrically with the support shaft portion 21 as the center.
In the present embodiment, the intermediate surface 24 on the opposite side across the support shaft portion 21 corresponds to the return surface 25 described in the first or second embodiment.

According to the tire cleaning structure of the present embodiment, the tread plate 20 can swing like a seesaw and spray cleaning water from the cylinder body 10 in accordance with the passage of the vehicle.
In addition, since the cylindrical body 10 can be provided at two locations with respect to the support shaft portion 21, it contributes to the reduction of members constituting the support shaft portion 21.

(Shape holder)
A fourth embodiment of the present invention will be described with reference to FIG.
In the present embodiment, the tire cleaning structure described in the third embodiment has a configuration further including a shape holder 50 that repairs the collapse of the cylindrical body 10.
Hereinafter, the details of the shape holder 50 will be described.

<1> Shape holder The place holder 50 is a member for adjusting the shape of the crushed cylinder 10 to an initial shape.
The shape holder 50 includes a pair of holding members 51 that sandwich the side surface of the cylindrical body 10.
One end of the holding member 51 is rotatably connected to the lower side of the cylindrical body 10.
The other end of the holding member 51 is connected to the tread by a wire 52.
As shown in FIG. 5, when the tread plate 20 is moving upward, both the holding members 51 are pulled so as to sandwich the cylinder 10 from both sides, and the tread plate 20 is moved downward to press the cylinder 10. In doing so, the connection length of the wire 52 is appropriately adjusted so that the wire 52 is loosened and the holding member 51 is also separated from the cylindrical body 10.

<2> Summary According to the tire cleaning structure according to the present embodiment, the shape recovery of the cylindrical body is further promoted.

(Cleaning device)
A fifth embodiment of the present invention will be described with reference to FIG.
The invention according to this embodiment relates to a vehicle cleaning apparatus provided with a plurality of tire cleaning structures described in the fourth embodiment.
A plurality of tire cleaning structures are provided at predetermined intervals for each of the right and left wheels of the vehicle across a water tank 60 provided in the center, and a slope 70 is provided at the front and rear to enable entry of the vehicle. .

A water supply port 30 provided in each cleaning structure is connected to the water tank 60 so as to supply cleaning water A.
As the vehicle travels on the cleaning device, the tread 20 is swung by the weight of the vehicle and the cleaning water A is sequentially injected, so that the tire B can be cleaned.
The used cleaning water A ejected from the water outlet can be discarded or purified and recycled to the water tank 60 again.

  According to the tire cleaning apparatus of the present embodiment, the tire can be always cleaned using clean cleaning water supplied from the water tank.

DESCRIPTION OF SYMBOLS 10 Cylindrical body 20 Tread plate 21 Support shaft part 22 Free end 23 Guide surface 24 Intermediate surface 25 Return surface 30 Water supply port 31 Check valve 40 Water discharge port 41 Check valve 42 Pressure adjustment valve 50 Shape holder 51 Nipping material 52 Wire 60 Aquarium 70 Slope A Washing water B Tire X Installation surface

Claims (5)

A tire cleaning structure for injecting cleaning water to a tire of a vehicle that is provided in a vehicle traveling path and passes through the traveling path,
An elastically deformable cylinder;
A tread plate capable of pressing the cylinder from above;
A water supply port connected to one end of the cylinder and supplying cleaning water;
A water outlet that is connected to the other end of the cylinder and discharges cleaning water.
Comprising at least
Tire wash structure.   The tire cleaning structure according to claim 1, wherein a plurality of the water outlets are provided on the cylindrical body.   The tire cleaning structure according to claim 1 or 2, wherein the tread is swingable in a seesaw shape.   The tire according to any one of claims 1 to 3, further comprising a shape holder that repairs the collapse of the cylindrical body in conjunction with an operation of returning the tread plate to an initial position. Cleaning structure.   A tire cleaning device comprising a plurality of the tire cleaning structures according to any one of claims 1 to 4.

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