JP2002294648A - Wall surface cleaning car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a means capable of cleaning by minimizing a damage on a cleaned wall surface without requiring the great labor of workers. SOLUTION: This wall surface cleaning car comprises a cleaning device 3 having a water feed tank 15 for storing water as the source of high-pressure water, a high-pressure water feed pump 16 for increasing the pressure of the water from the water feed tank 15, a high-pressure water ejection nozzle 22 for ejecting high-pressure water fed from the high-pressure water feed pump 16 to the wall surface, and a lifting mechanism 26 for lifting the high-pressure water ejection nozzle 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall cleaning vehicle used for cleaning a wall of a sound insulation wall installed on a shoulder of an automobile road or a wall of a building, for example.

[0002]

2. Description of the Related Art A noise barrier is installed on a road shoulder such as a highway to reduce noise generated by running of an automobile. Since the sound insulation wall is contaminated by exhaust gas and dust of a car, it is necessary to clean the sound insulation wall as needed. This cleaning operation is generally performed by a human operator or a high-pressure cleaning device. That is, stop various work vehicles such as a high-altitude work vehicle or a water tank truck on the shoulder of the road, inject high-pressure water against the contaminated sound insulation wall, and brush with a cleaning tool. Cleaning was performed by such as.

[0003]

In this case, in order to sufficiently remove the dirt from the wall surface, it is necessary to perform careful brushing, but this requires a great deal of labor for the operator. In addition, due to brushing, the wall surface is apt to be finely scratched. For example, in the case of a light-transmitting sound insulating wall, the scratches cause a problem that the transparency is deteriorated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a means capable of minimizing damage to a wall surface to be cleaned and performing cleaning without requiring much labor of an operator. I do.

[0005]

The present invention employs the following means in order to solve the above-mentioned problems. In other words, the wall cleaning vehicle according to claim 1 is a vehicle equipped with a cleaning device that cleans a wall surface by spraying high-pressure water, and the cleaning device includes a water supply tank that stores water that is a source of the high-pressure water. A high-pressure water pump that pressurizes the water from the water supply tank, a nozzle that injects the high-pressure water sent from the high-pressure water pump onto the wall surface, and a lifting mechanism that moves the nozzle up and down. It is characterized by having. Claim 1
According to the described wall cleaning vehicle, the water in the water supply tank is pressurized by the high-pressure water pump and injected toward the wall from the nozzle, so that the dirt on the wall can be removed in a non-contact manner by the water pressure. Further, by moving the nozzle up and down by the elevating mechanism, the wall can be cleaned over a wide range from a low place to a high place.

According to a second aspect of the present invention, in the wall cleaning vehicle according to the first aspect, at least the nozzle and the elevating mechanism of the cleaning device are mounted on a side of a slave unit vehicle different from the vehicle. It is characterized by having. According to the wall cleaning vehicle of the second aspect, even in a small place where a large vehicle itself cannot access, only a small child vehicle can be brought close to the wall. It can respond flexibly according to the shape.

According to a third aspect of the present invention, in the wall cleaning vehicle according to the first aspect, a plurality of the nozzles are arranged in a horizontal direction along the wall surface, and these nozzles are arranged in a stationary state of the vehicle. The wall surface is cleaned up and down by being raised and lowered by the lifting mechanism. According to the wall cleaning vehicle according to the third aspect, the up / down mechanism is operated by the elevating mechanism while ejecting each nozzle while the vehicle is stopped, and the vehicle is moved and stopped at another position, and the same is performed at that position. By performing this operation continuously, it is possible to clean the wall surface over a wide range in the horizontal and vertical directions.

According to a fourth aspect of the present invention, there is provided the wall cleaning vehicle according to the first aspect, wherein a plurality of the nozzles are arranged in a vertical direction along the wall surface, and the nozzles are sprayed to drive the vehicle while traveling. The wall surface is cleaned by moving along the wall surface. According to the wall cleaning vehicle of the fourth aspect, the vertical cleaning range of the wall is covered by the nozzles arranged in the vertical direction and the vertical stroke of the nozzle elevating device, and the wall is cleaned in the horizontal direction. The range is covered by the running of the vehicle.

According to a fifth aspect of the present invention, there is provided a wall cleaning car.
5. The wall cleaning vehicle according to any one of 4 to 4, wherein the cleaning device is further provided with a detergent spraying mechanism for spraying a detergent onto the wall before spraying the high-pressure water. According to the wall cleaning vehicle of the fifth aspect,
By spraying high-pressure water from the nozzle after spraying the detergent from the detergent spray mechanism to the wall in advance, it becomes possible to more effectively remove the stain on the wall.

[0010] The wall cleaning car according to claim 6 is a car cleaning apparatus according to claim 1.
5. The wall cleaning vehicle according to any one of 5, wherein the cleaning device further includes a wiping mechanism for wiping the wall surface after cleaning by spraying the high-pressure water. According to the wall cleaning vehicle of the sixth aspect, by wiping the cleaned wall surface with the wiping device, it is possible to reliably and quickly remove wetness and remaining dirt on the wall surface.

According to a seventh aspect of the present invention, there is provided a wall cleaning car.
6. The wall cleaning vehicle according to any one of 6, wherein the cleaning device further includes a low-pressure water injection mechanism that suppresses absorption of mist generated by spraying the high-pressure water on the wall. According to the wall cleaning vehicle of the seventh aspect, by covering the fog with the low-pressure water, it is possible to prevent the fog from spreading outside the cleaning work place.

[0012] The wall cleaning vehicle according to the eighth aspect is the first aspect of the invention.
7. The wall cleaning vehicle according to any one of 7, wherein the cleaning device is provided with a heater that raises the temperature of the high-pressure water before reaching the nozzle. According to the wall cleaning vehicle of the eighth aspect, it is possible to more effectively remove dirt from the wall surface as compared with the case where the high-pressure water is cold water.

According to a ninth aspect of the present invention, there is provided a wall cleaning vehicle according to the first aspect.
8. The wall cleaning vehicle according to any one of 8, wherein the nozzle has a built-in rotor for turning a jet of the high-pressure water injected onto the wall surface. 9. According to the wall cleaning vehicle of the ninth aspect, the high-pressure water is diffused and injected by the rotation of the rotor, and is sprayed over a wide area of the wall surface. As a result, even with the same flow rate of high-pressure water, a wide range of the wall surface can be covered.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A wall cleaning vehicle according to the present invention is a vehicle equipped with a cleaning device for cleaning a wall surface by spraying high-pressure water. Each embodiment will be described below with reference to the drawings. Needless to say, the present invention is not limited to these. First, a first embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view showing the wall cleaning vehicle of the present embodiment. FIG. 2 is a side view of a state where a cleaning operation is performed by the wall cleaning vehicle, as viewed from a cross section perpendicular to the wall surface.

As shown in FIG. 1, a wall-cleaning vehicle according to the present embodiment includes a master vehicle 1, a slave vehicle 2 that can be lowered from the master vehicle 1 and run on its own, and a master vehicle. 1 and a cleaning device 3 mounted on the child device vehicle 2. The cleaning device 3 has a detergent spray mechanism 4 for spraying a detergent toward a wall surface (not shown) to be cleaned, and a high-pressure water spray that sprays high-pressure water toward the wall surface to remove dirt by the water pressure. A mechanism 5 and a generator 6 for supplying power to the detergent injection mechanism 4 and the high-pressure water injection mechanism 5 are provided.

The detergent injection mechanism 4 includes a detergent tank 7 which is a container for storing the detergent, a detergent supply pump 8 for pumping the detergent from the detergent tank 7, and a detergent pumped by the detergent supply pump 8. It is provided with a detergent manifold 9 to be sprayed and a detergent spray nozzle 14. The detergent supply pump 8 and the detergent manifold 9 are connected by piping via detergent flexible hoses 10 and 11, and can be wound around hose reels 12 and 13, respectively.
Flexible hose 10 is a swivel joint (not shown)
Is connected to the hose reel 13 by the hose reel 13
Inside, it is connected to the flexible hose 11 through a swivel joint. According to the detergent injection mechanism 4, when the detergent supply pump 8 is activated, the detergent in the detergent tank 7 is drawn out and sent out to the detergent manifold 9 via the flexible hoses 10 and 11 for detergent. Then, the detergent sprayed from the plurality of detergent spray nozzles 14 provided on the detergent manifold 9 is applied to the wall surface before the high-pressure water is sprayed.

The high-pressure water injection mechanism 5 includes a water supply tank 15 that is a container for storing water that is a source of high-pressure water, a high-pressure water supply pump 16 that pressure-feeds water from the water supply tank 15,
The high-pressure water supply pump 16 is provided with a high-pressure water manifold 17 for injecting high-pressure water pumped by the high-pressure water supply pump 16 and a high-pressure water injection nozzle 22. A high-pressure water flexible hose 1 is provided between the high-pressure water supply pump 16 and the high-pressure water manifold 17.
The pipes are connected by pipes 8 and 19, and can be wound around hose reels 20 and 21, respectively. The flexible hose 18 is connected to a hose reel 21 by a swivel joint (not shown). Inside the hose reel 21, the flexible hose 18 is connected to the flexible hose 19 by a swivel joint.

According to the high-pressure water supply mechanism 5, when the high-pressure water supply pump 16 is started, the water in the water supply tank 15 is led out to a high pressure, and the high-pressure water flexible hose 18,
It is sent out to the high-pressure water manifold 17 through 19. Then, high-pressure water injected from a plurality of high-pressure water injection nozzles 22 provided in the high-pressure water manifold 17 is sprayed on the detergent and dirt on the wall surface, and the water pressure causes the detergent and dirt to be washed off from the wall surface. It is supposed to be. In addition, each high-pressure water injection nozzle 22 has:
A rotor (not shown) for rotating a jet of high-pressure water to be sprayed on the wall surface and diffusing the entire high-pressure water in a conical shape is internally provided. A heater for raising the temperature of the high-pressure water to reach the high-pressure water injection nozzle 22 is provided in the water supply tank 15.
Is equipped with

The generator 6 supplies electric power to electric motors such as the detergent supply pump 8 and the high-pressure water supply pump 16.
The pump drive torque may be obtained from TO (Power Take Off). The slave vehicle 2 includes a rechargeable battery (not shown) mounted thereon, an electric motor 23, and a steering mechanism 2.
4. The small-sized vehicle is capable of self-propelled operation by moving the high-pressure water manifold 17 and the detergent manifold 9 to each other. And a raising / lowering mechanism 26 for raising and lowering the spray nozzle 22 and each detergent spray nozzle 14).

As the elevating mechanism 26, in addition to the pantograph type shown in FIG. 1 which is a combination of a pantograph and a hydraulic cylinder, a telescopic cylinder which is provided with another hydraulic cylinder mechanism in the hydraulic cylinder mechanism and can be extended in multiple stages. Other types of lifting mechanisms, such as an expression, may be adopted. Further, a hydraulic pump (not shown) serving as a drive source of the elevating mechanism 26 may be mounted on the slave vehicle 2 or may be mounted on the master vehicle 1 to provide a hydraulic flexible hose to the slave vehicle. It may be connected by. Further, although not shown, the mist generated by spraying the high-pressure water onto the wall surface is washed by a low-pressure water injection mechanism or a high-pressure water injection mechanism that suppresses absorption by injecting low-pressure water so as to cover the periphery thereof. Other mechanisms, such as a wiping mechanism for wiping the rear wall surface, may be additionally mounted on the slave vehicle.
Further, in addition to carrying out the cleaning work by placing an operator in the child machine vehicle cockpit 25, the operation of the child machine vehicle 2 and the cleaning device 3 is performed by wirelessly arranging the worker on the ground side. Is also good.

A description will be given below of the cleaning operation performed by the wall cleaning truck according to the present embodiment having the above-described configuration. First, after the slave unit vehicle 2 is lowered from the master unit vehicle 1 stopped at the cleaning place, the slave unit vehicle control room 25 of the slave unit vehicle 2
Put a worker on the. Then, while the parent machine vehicle 1 is parked, the child machine vehicle 1 is steered and traveled so as to approach the wall surface to be cleaned. The operator's operation raises the slave vehicle operating room 25 to a predetermined height by the elevating mechanism 26. As shown in FIG. 2, the high-pressure water injection nozzles 22 and the detergent injection nozzles 14 To face each other.
In this state, the detergent supply pump 8 and the high-pressure water supply pump 16 mounted on the base vehicle 1 are activated by the operation of the worker on the base vehicle. Then, each detergent injection nozzle 1
The detergent CL is sprayed from 4 and is uniformly applied to the wall surface W by the ascending / descending operation by the slave vehicle-side worker. Subsequently, the high-pressure water HW injected from each high-pressure water injection nozzle 22
The dirt attached to the wall surface W is washed away together with the detergent CL by the ascending / descending operation by the child machine vehicle side worker. Such a cleaning operation is performed by the child machine control room 25 by the elevating mechanism 26.
Is performed in combination with the horizontal movement along the wall surface W of the slave vehicle 2, thereby performing cleaning over a wide range of the wall surface W.

The wall cleaning vehicle according to the present embodiment having the above-described structure is a high-pressure water injection nozzle for injecting high-pressure water HW sent from the water supply tank 15 through the high-pressure water supply pump 16 to the wall W. 22 and the high-pressure water injection nozzle 2
A configuration including a cleaning device 3 having an elevating mechanism 26 for elevating and lowering 2 is adopted. According to this configuration, since the wall surface W can be cleaned without contact, it is possible to minimize damage to the wall surface W to be cleaned. And high-pressure water HW
Since the dirt on the wall surface W is removed by the water pressure, it is not necessary to brush the wall surface W as in the related art, and it is possible to clean the wall W without requiring much labor.

Further, the wall cleaning vehicle according to the present embodiment is capable of self-propelling each detergent injection nozzle 14 and each high-pressure water injection nozzle 22 and the elevating mechanism 26 of the cleaning device 3 independently of the parent machine vehicle 1. The configuration mounted on the child device vehicle 2 is adopted. According to this configuration, even in a narrow place where the large base unit vehicle 1 cannot approach, only the small slave unit vehicle 2 is mounted on the wall surface W.
, Each detergent injection nozzle 14
In addition, the high-pressure water injection nozzles 22 can be sufficiently brought close to the wall surface W for cleaning. Therefore, it is possible to flexibly respond to the position and the shape of the wall surface W to be cleaned, so that the cleaning range can be extremely widened.

Further, the wall cleaning vehicle of the present embodiment employs a configuration in which the cleaning device 3 is provided with a detergent injection mechanism 4 for injecting the detergent CL onto the wall W before the high-pressure water HW is injected. ing. According to this configuration, it is possible to more effectively clean the wall surface W by spraying the detergent CL onto the wall surface W. Further, the wall cleaning vehicle of the present embodiment employs a configuration in which the cleaning device 3 includes the heater for raising the temperature of the high-pressure water HW before reaching the high-pressure water injection nozzle 22. According to this configuration, the high-pressure water HW blown to the wall surface W becomes hot water, so that it is possible to more effectively remove dirt from the wall surface W as compared with the case of cold water. In the wall cleaning vehicle of the present embodiment, each high-pressure water injection nozzle 22 is provided with the rotor for rotating a jet of the high-pressure water HW to be injected to the wall surface W and diffusing a range covered by the high-pressure water. The configuration was adopted. According to this configuration, the high-pressure water HW is diffused by the rotation of the rotor, and can be sprayed over a wide area of the wall surface W. Therefore, it is possible to clean a wide area with a small amount of the high-pressure water HW. It has become.

Next, a second embodiment of the present invention will be described below with reference to FIGS. In addition,
FIG. 3 is a perspective view showing the wall cleaning vehicle of the present embodiment. FIG. 4 is a view showing a cleaning operation performed by the wall cleaning truck, and is a side view as viewed from a cross section perpendicular to the wall surface.

As shown in FIG. 3, the wall cleaning vehicle of the present embodiment has a schematic configuration including a vehicle 101 and a cleaning device 103 mounted on the vehicle 101. And
The cleaning device 103 includes a detergent spraying mechanism 104 for spraying a detergent toward a wall surface (not shown) to be cleaned, and a high-pressure water spraying mechanism 105 for spraying high-pressure water toward the wall surface to remove dirt by the water pressure. And these detergent injection mechanisms 1
04 and a generator 106 for supplying electric power to the high-pressure water injection mechanism 105.

The detergent injection mechanism 104 includes a detergent tank 107 which is a container for storing detergent, and a detergent tank 107 for storing the detergent.
A detergent supply pump 108 for pumping the detergent from the container, a detergent manifold 109 for ejecting the detergent pumped by the detergent supply pump 108, and a detergent injection nozzle 114 are provided. A piping is connected between the detergent supply pump 108 and the detergent manifold 109 by a flexible hose 110 for the detergent.
Can be wound around a hose reel 112.
According to the detergent injection mechanism 104, the detergent supply pump 10
When 8 is activated, the detergent in the detergent tank 107 is drawn out and sent out to the detergent manifold 109 via the detergent flexible hose 110. Then, the detergent sprayed from the plurality of detergent spray nozzles 114 provided in the detergent manifold 109 is applied to the wall surface before the high-pressure water is sprayed.

The high-pressure water injection mechanism 105 includes a water supply tank 115 that is a container for storing water that is a source of high-pressure water, a high-pressure water supply pump 116 that pumps water from the water supply tank 115, A high-pressure water manifold 117 for injecting the high-pressure water pumped by the pump 116 and a high-pressure water injection nozzle 122 are provided. The high-pressure water supply pump 116 and the high-pressure water manifold 117 are connected to each other by a high-pressure water flexible hose 118.
The flexible hose 118 for high-pressure water is connected to the hose reel 12.
It can be wound up to zero.

According to the high-pressure water supply mechanism 105, when the high-pressure water supply pump 116 is activated, the water supply tank 115
The water inside is drawn out and pressurized, and sent out to the high-pressure water manifold 117 via the flexible hose 118 for high-pressure water. Then, high-pressure water injected from a plurality of high-pressure water injection nozzles 122 provided in the high-pressure water manifold 117 is sprayed on the detergent and dirt on the wall surface,
With this water pressure, detergent and dirt are washed off from the wall surface. In addition, each high-pressure water injection nozzle 1
A rotor (not shown) for rotating the jet of high-pressure water to be sprayed on the wall surface and diffusing the entire high-pressure water in a conical shape is internally provided in 22. In addition, a heater that raises the temperature of high-pressure water before reaching these high-pressure water injection nozzles 122,
The water supply tank 115 is provided.

The generator 106 is connected to the detergent supply pump 10.
8 and a high-pressure water supply pump 116 for supplying electric power to each electric device.
The pump drive torque may be obtained from the PTO (Power Take Off) of the vehicle 101. The high-pressure water manifold 117 and the detergent manifold 109 are fixed on the base 102 so as to maintain a horizontal state. The pedestal 102 is fixed on an elevating mechanism 126, and when the elevating mechanism 126 moves up and down, each detergent injection nozzle 114 and each high-pressure water injection nozzle 122 move up and down to clean the wall in the vertical direction. You can do it.

As the elevating mechanism 126, in addition to the pantograph type shown in FIG. 3 which is a combination of a pantograph and a hydraulic cylinder, a telescopic cylinder which is provided with another hydraulic cylinder mechanism in the hydraulic cylinder mechanism and can be extended in multiple stages. Other types of lifting mechanisms, such as an expression, may be adopted. Further, although not shown, the mist generated by spraying the high-pressure water onto the wall surface is washed by a low-pressure water injection mechanism or a high-pressure water injection mechanism that suppresses absorption by injecting low-pressure water so as to cover the periphery thereof. Other mechanisms, such as a wiping mechanism for wiping the rear wall surface, may be additionally mounted on the slave vehicle.

The following describes the cleaning operation performed by the wall cleaning truck of the present embodiment having the above-described configuration. First, the vehicle 101 approaches the wall surface to be cleaned and parks. In this state, the pedestal 102 is raised to a predetermined height by the lifting mechanism 126 by the operation of the operator, and the high-pressure water injection nozzles 122 and the detergent injection nozzles 114 are opposed to the wall surface W as shown in FIG. . In this state, the detergent supply pump 108 is operated by the operator.
And the high-pressure water supply pump 116 is started. Then, the detergent CL is sprayed from each of the detergent spray nozzles 114, and is uniformly applied to the wall surface W. Subsequently, the high-pressure water HW injected from each of the high-pressure water injection nozzles 122 rinses the dirt attached to the wall surface W together with the detergent CL. After such a cleaning operation is performed in the vertical direction of the wall surface W by the elevating operation of the elevating mechanism 126, the vehicle 101 is slightly moved, and the same operation is performed again. In this way, cleaning is performed over a wide range of the wall surface W.

The wall cleaning vehicle according to the present embodiment having the above-described structure is a high-pressure water injection nozzle for injecting high-pressure water HW sent from the water supply tank 115 through the high-pressure water supply pump 116 onto the wall W. A configuration including a cleaning device 103 having a nozzle 122 and an elevating mechanism 126 for elevating and lowering the high-pressure water injection nozzle 122 is employed. According to this configuration, since the wall surface W can be cleaned without contact, it is possible to minimize damage to the wall surface W to be cleaned. In addition, since the dirt on the wall surface W is removed by the water pressure of the high-pressure water HW, it is not necessary to brush the wall surface W as in the related art, and it is possible to clean the wall W without requiring much labor of the operator.

Further, in the wall cleaning vehicle of the present embodiment, a plurality of high-pressure water injection nozzles 122 and a plurality of detergent injection nozzles 114 are arranged in a horizontal direction along the wall surface W, and these high-pressure water injection nozzles 122 and the detergent injection nozzles are arranged. The nozzle 114 is moved up and down by the elevating mechanism 126 while the vehicle 101 is stopped, thereby cleaning the wall surface W in the vertical direction. According to this configuration, cleaning of the wall surface W over a wide range in the horizontal direction and the vertical direction is performed by each of the high-pressure water injection nozzles 122.
And raising and lowering operation of each detergent injection nozzle 114 and the vehicle 101
The movement can be performed in a short time.

Further, the wall cleaning vehicle of the present embodiment employs a configuration in which the cleaning device 103 is provided with a detergent injection mechanism 104 for injecting the detergent CL onto the wall W before the high-pressure water HW is injected. ing. According to this configuration, it is possible to more effectively clean the wall surface W by spraying the detergent CL onto the wall surface W. In addition, the wall cleaning vehicle according to the present embodiment employs a configuration in which the cleaning device 103 includes the heater for raising the temperature of the high-pressure water HW to the high-pressure water injection nozzle 122. According to this configuration, the high-pressure water HW blown to the wall surface W becomes warm water, so that it is possible to more effectively remove dirt from the wall surface W than in the case of cold water. In addition, the wall cleaning car of the present embodiment,
Each of the high-pressure water injection nozzles 122 is provided with the above-described rotor that swirls a jet of high-pressure water HW to be sprayed on the wall surface W and diffuses a range that the high-pressure water reaches. According to this configuration, the high-pressure water HW is diffused by the rotation of the rotor,
Since it becomes possible to spray over a wide range of the wall surface W, it is possible to perform a wide range of cleaning with a small amount of high-pressure water HW.

Next, a third embodiment of the present invention will be described below with reference to FIGS. In addition,
FIG. 5 is a perspective view showing the wall cleaning truck of the present embodiment. FIG. 6 is a plan view showing a state in which the cleaning operation is performed by the wall cleaning vehicle, as viewed from a cross section perpendicular to the wall surface.

As shown in FIG. 5, the wall cleaning vehicle according to the present embodiment has a schematic configuration including a vehicle 201 and a cleaning device 203 mounted on the vehicle 201. And
The cleaning device 203 includes a detergent spraying mechanism 204 for spraying a detergent toward a wall surface (not shown) to be cleaned, and a high-pressure water spraying mechanism 205 for spraying high-pressure water toward the wall surface to remove dirt by the water pressure. And these detergent injection mechanisms 2
04 and a generator 206 for supplying electric power to the high-pressure water injection mechanism 205.

The detergent injection mechanism 204 includes a detergent tank 207 which is a container for storing a detergent, and a detergent tank 207 for storing the detergent.
A detergent supply pump 208 for pumping the detergent from the container, a detergent manifold 209 for ejecting the detergent pumped by the detergent supply pump 208, and a detergent injection nozzle 214. A pipe is connected between the detergent supply pump 208 and the detergent manifold 209 by a flexible hose 210 for detergent.
Can be wound around a hose reel 212.
According to the detergent injection mechanism 204, the detergent supply pump 20
When the cleaner 8 is activated, the detergent in the detergent tank 207 is discharged and sent out to the detergent manifold 209 via the detergent flexible hose 210. Then, the detergent sprayed from the plurality of detergent spray nozzles 214 provided in the detergent manifold 209 is applied to the wall surface before the high-pressure water is sprayed.

The high-pressure water injection mechanism 205 includes a water supply tank 215 that is a container for storing water that is a source of high-pressure water, a high-pressure water supply pump 216 that pumps water from the water supply tank 215, A high-pressure water manifold 217 for injecting the high-pressure water pumped by the pump 216 and a high-pressure water injection nozzle 222 are provided. Between the high-pressure water supply pump 216 and the high-pressure water manifold 217,
The pipe is connected by a flexible hose 218 for high pressure water, and can be wound around a hose reel 220.

According to the high-pressure water supply mechanism 205, when the high-pressure water supply pump 216 is activated, the water supply tank 215
The water in the inside is led to a high pressure, and sent out to the high pressure water manifold 217 via the high pressure water flexible hose 218. Then, high-pressure water injected from a plurality of high-pressure water injection nozzles 222 provided in the high-pressure water manifold 217 is sprayed on the detergent and dirt on the wall surface,
With this water pressure, detergent and dirt are washed off from the wall surface. Each high-pressure water injection nozzle 2
A rotor (not shown) for rotating the jet of high-pressure water to be sprayed on the wall surface and diffusing the entire high-pressure water in a conical shape is internally provided in 22. Further, a heater that raises the temperature of high-pressure water before reaching these high-pressure water injection nozzles 222 is
It is provided in the water supply tank 215.

The generator 206 is connected to the detergent supply pump 20.
8 and a high-pressure water supply pump 216 for supplying electric power to the electric equipment. The generator 206 is omitted, and an engine for directly driving the pump is installed on the vehicle 201. May be. Operations such as activation of the generator 206 are performed by a control panel 251 shown in FIG. Further, the function of the control panel 251 can be installed in the cab of the vehicle 201. The high-pressure water manifold 217 is formed by integrating two vertically standing manifolds 217a and 217b,
The elevating mechanism 226A enables the elevating operation. Further, the high-pressure water injection nozzles 222 provided in each of the manifolds 217a and 217b are staggered at regular intervals in the vertical direction along the wall surface. The height of these high-pressure water injection nozzles 222 is adjusted by the elevating mechanism 226A as necessary, and then the vehicle 201 is moved and moved along the wall surface, whereby the wall surface can be cleaned over a wide area. ing.

The detergent manifold 209 is a single vertically standing manifold, and can be moved up and down by a lifting mechanism 226B. Further, the detergent injection nozzles 214 provided in the detergent manifold 209 are arranged at equal intervals in the vertical direction along the wall surface, and after adjusting the height of the detergent injection nozzles 214 by the elevating mechanism 226B as necessary, By moving the vehicle 201 along the wall surface, the detergent can be sprayed on the wall surface prior to the high-pressure water, and the wall surface can be cleaned over a wide range.

The elevating mechanisms 226A and 226B include a telescopic cylinder type in which another hydraulic cylinder mechanism is provided in the hydraulic cylinder mechanism and can be extended in multiple stages, and a pantograph type by combining a pantograph and a hydraulic cylinder. Alternatively, other types of lifting mechanisms may be employed. Although not shown, the vehicle 201 is further equipped with a low-pressure water injection mechanism that suppresses absorption of mist generated by spraying high-pressure water onto the wall surface by injecting low-pressure water so as to cover the periphery thereof. It is good. In this case, since the mist can be prevented from spreading outside the cleaning work place by covering with the low-pressure water, it is possible to minimize the influence of the cleaning work on other places. As shown in FIG. 6, a wiping sponge 250 (wiping mechanism) for wiping the wall surface W after cleaning by jetting high-pressure water HW may be additionally mounted on the vehicle 201. In this case, the wiping sponge 250 makes it possible to reliably and quickly remove the wetness and remaining dirt on the wall surface W.

The following describes the cleaning operation performed by the wall cleaning truck of the present embodiment having the above-described configuration. First, the vehicle 101 is approached to the vicinity of the wall surface to be cleaned, and in this state, the detergent manifold 209 and the high-pressure water manifold 217 are moved by the operator to operate the lifting mechanism 22.
The height is raised to a predetermined height at 6A and 226B, and each high-pressure water injection nozzle 222 and each detergent injection nozzle 214 are opposed to the wall surface W as shown in FIG. In this state, the detergent supply pump 208 and the high-pressure water supply pump 216 are started by the operation of the worker. Then, the detergent CL is sprayed from each of the detergent spray nozzles 214, and is uniformly applied to the wall surface W. Subsequently, the high-pressure water HW injected from each high-pressure water injection nozzle 222 rinses the dirt attached to the wall surface W together with the detergent CL while the vehicle 201 is running. Such a cleaning operation is performed by lifting mechanisms 226A, 226.
After adjusting the height at which the wall surface W is cleaned by the lifting / lowering operation by B, the vehicle 201 is gradually moved. In this way, cleaning is performed over a wide range of the wall surface W.

The wall cleaning vehicle according to the present embodiment having the above-described structure is a high-pressure water injection nozzle for injecting high-pressure water HW sent from the water supply tank 215 via the high-pressure water supply pump 216 to the wall W. A configuration including a cleaning device 203 having an elevating mechanism 222A for elevating and lowering the high-pressure water injection nozzle 222 is employed. According to this configuration, since the wall surface W can be cleaned without contact, it is possible to minimize damage to the wall surface W to be cleaned. In addition, since the dirt on the wall surface W is removed by the water pressure of the high-pressure water HW, it is not necessary to brush the wall surface W as in the related art, and it is possible to clean the wall W without requiring much labor of the operator.

In the wall cleaning vehicle of the present embodiment, a plurality of high-pressure water injection nozzles 222 are arranged in a vertical direction along the wall surface W, and these high-pressure water injection nozzles 222 are moved along the wall surface W by the vehicle 201 traveling. The structure which cleans the wall surface W by moving is adopted. According to this configuration, the vertical cleaning range of the wall surface W is covered by each of the high-pressure water injection nozzles 222 arranged vertically and the vertical stroke thereof, and the horizontal cleaning range of the wall surface W is Since it is covered by traveling, it is possible to cover an extremely wide cleaning range of the wall surface W.

The cleaning device 203 of the present embodiment employs a cleaning device 203 provided with a detergent injection mechanism 204 for injecting the detergent CL onto the wall surface W before the high-pressure water HW is injected. ing. According to this configuration, it is possible to more effectively clean the wall surface W by spraying the detergent CL onto the wall surface W. In addition, the wall cleaning vehicle of the present embodiment employs a configuration in which the cleaning device 203 includes the heater for raising the temperature of the high-pressure water HW before reaching the high-pressure water injection nozzle 222. According to this configuration, the high-pressure water HW blown to the wall surface W becomes warm water, so that it is possible to more effectively remove dirt from the wall surface W than in the case of cold water.

In the present embodiment, the high-pressure water jet nozzle 222 is provided with a high-pressure water HW
The structure provided with the rotor that swirls the jet and diffuses the area covered by the high-pressure water is adopted. According to this configuration, the high-pressure water HW is diffused by the rotation of the rotor, and can be sprayed over a wide area of the wall surface W. Therefore, it is possible to clean a wide area with a small amount of the high-pressure water HW. It has become.

The wall cleaning vehicles according to the first to third embodiments described above are suitable for, for example, the work of cleaning a light-transmitting sound insulating wall on a highway, but are not limited to this. Needless to say, the present invention may be applied to cleaning work of other places.

[0050]

The wall cleaning vehicle according to the first aspect of the present invention is
A configuration was adopted in which a cleaning device having a nozzle for injecting high-pressure water sent from a water supply tank via a high-pressure water pump to a wall surface and a lifting mechanism for lifting and lowering the nozzle was adopted. According to this configuration, it is possible to clean the wall surface in a non-contact manner, so that it is possible to minimize damage to the wall surface to be cleaned. In addition, since dirt on the wall surface is removed by the water pressure of the high-pressure water, it is not necessary to brush the wall surface as in the related art, and it is possible to clean the wall surface without requiring much labor of the operator.

Further, the wall cleaning vehicle according to the second aspect of the present invention employs a configuration in which at least the nozzle and the elevating mechanism of the cleaning device are mounted on a slave vehicle different from the vehicle. According to this configuration, even in a place where the large vehicle itself cannot access, only the small slave vehicle can be approached to the wall surface, so that the nozzle is sufficiently brought close to the wall surface for cleaning. Can be. Therefore, it is possible to flexibly cope with the position and the shape of the wall surface to be cleaned, so that the cleaning range can be made extremely wide.

Further, in the wall cleaning vehicle according to the third aspect, a plurality of nozzles are arranged in a horizontal direction along the wall surface, and these nozzles are moved up and down by an elevating mechanism when the vehicle is stopped, so that the wall surface is moved up and down. The cleaning mechanism was adopted. According to this configuration, it is possible to clean the wall surface in a wide range in the horizontal direction and the vertical direction in a short time by the raising and lowering operation of each nozzle.

The wall cleaning vehicle according to the fourth aspect employs a configuration in which a plurality of nozzles are arranged in a vertical direction along the wall surface, and the nozzles are moved along the wall surface by traveling of the vehicle to clean the wall surface. did. According to this configuration, the vertical cleaning range of the wall surface is covered by the vertical strokes of the nozzles and the lifting / lowering device arranged in the vertical direction, and
Since the horizontal cleaning range of the wall surface is covered by the traveling of the vehicle, it is possible to cover an extremely wide cleaning range of the wall surface.

Further, the wall cleaning vehicle according to claim 5 employs a configuration in which the cleaning device is further provided with a detergent spraying mechanism for spraying a detergent onto the wall before spraying high-pressure water. According to this configuration, it is possible to more effectively clean the wall surface by spraying the detergent onto the wall surface. Further, the wall cleaning vehicle according to claim 6 employs a configuration in which the cleaning device is further provided with a wiping mechanism for wiping the wall surface after cleaning by spraying high-pressure water. According to this configuration, the wiping mechanism makes it possible to reliably and quickly remove wetness and remaining dirt on the wall surface. The wall cleaning vehicle according to claim 7 employs a configuration in which the cleaning device is provided with a low-pressure water injection mechanism that suppresses absorption of mist generated by spraying high-pressure water onto the wall. According to this configuration, the mist can be prevented from spreading outside the cleaning work place by covering with the low-pressure water, so that the influence of the cleaning work on other places can be reduced as much as possible.

Further, the wall cleaning vehicle according to claim 8 employs a configuration in which the cleaning device is provided with a heater for raising the temperature of the high-pressure water to reach the nozzle. According to this configuration, the high-pressure water sprayed on the wall surface becomes hot water, so that it is possible to more effectively remove dirt from the wall surface than in the case of cold water. The wall cleaning vehicle according to the ninth aspect employs a configuration in which the nozzle is provided with a rotor that swirls a jet of high-pressure water to be sprayed on the wall surface and diffuses a range covered by the high-pressure water. According to this configuration, the high-pressure water is diffused by the rotation of the rotor and can be sprayed over a wide area of the wall surface, so that a wide range of cleaning can be performed with a small amount of high-pressure water.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a wall cleaning vehicle of the present invention.

FIG. 2 is a side view of the cleaning operation performed by the wall cleaning vehicle, as viewed from a cross section perpendicular to the wall surface.

FIG. 3 is a perspective view showing a second embodiment of the wall cleaning truck of the present invention.

FIG. 4 is a view showing a cleaning operation performed by the wall cleaning truck, and is a side view as viewed from a cross section perpendicular to the wall surface.

FIG. 5 is a perspective view showing a third embodiment of the wall cleaning truck of the present invention.

FIG. 6 is a plan view showing a state in which the cleaning operation is performed by the wall cleaning vehicle, as viewed from a cross section perpendicular to the wall surface.

[Explanation of symbols]

1, 101, 201 ... vehicle 2 ... slave vehicle 3, 103, 203 ... cleaning device 4, 104, 204 ... detergent injection mechanism 15, 115, 215 ... water supply tank 16, 116 , 216: High-pressure water supply pump (high-pressure water pump) 22, 122, 222: High-pressure water injection nozzle (nozzle) 26, 126, 226A, 226B: Lifting mechanism 250: Sponge (wiping mechanism) HW: High-pressure water W: Wall surface

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2D026 BA00 3B201 AA31 AB56 BA08 BB22 BB33 BB43 BB46 BB55 BB82 BB90 BB94 CB11 CB25 CC14

Claims (9)

[Claims] 1. A vehicle equipped with a cleaning device that cleans a wall surface by jetting high-pressure water, wherein the cleaning device includes a water supply tank that stores water that is a source of the high-pressure water, and water from the water supply tank. A wall provided with a high-pressure water pump for increasing the pressure, a nozzle for injecting the high-pressure water sent from the high-pressure water pump onto the wall, and a lifting mechanism for raising and lowering the nozzle. Cleaning car. 2. The wall cleaning vehicle according to claim 1, wherein at least the nozzle and the elevating mechanism of the cleaning device are mounted on a slave device vehicle side different from the vehicle. Cleaning car. 3. The wall cleaning vehicle according to claim 1, wherein the plurality of nozzles are arranged in a horizontal direction along the wall surface, and the nozzles are moved up and down by the elevating mechanism when the vehicle is stopped. A wall cleaning car for cleaning the wall in the vertical direction. 4. The wall cleaning vehicle according to claim 1, wherein a plurality of the nozzles are arranged in a vertical direction along the wall surface, and the nozzles are moved along the wall surface by running the vehicle while ejecting the nozzles. And cleaning the wall surface. 5. The wall cleaning vehicle according to claim 1, wherein the cleaning device further includes a detergent spraying mechanism that sprays a detergent onto the wall before spraying the high-pressure water. A wall-cleaning car characterized by being used. 6. The wall cleaning vehicle according to claim 1, wherein the cleaning device further includes a wiping mechanism for wiping the wall surface after cleaning by spraying the high-pressure water. A wall cleaning truck characterized by the following. 7. The wall cleaning vehicle according to claim 1, wherein the cleaning device further includes a low-pressure water injection mechanism that suppresses absorption of mist generated by spraying the high-pressure water onto the wall. A wall-cleaning car characterized by being used. 8. The wall cleaning vehicle according to claim 1, wherein the cleaning device includes a heater that raises the temperature of the high-pressure water to reach the nozzle. Wall cleaning car to do. 9. The wall cleaning vehicle according to claim 1, wherein the nozzle has a built-in rotor for turning a jet of the high-pressure water jetted on the wall. Wall cleaning car to do.