JPH0827752A - Cleaning of guide rail and its cleaning truck - Google Patents

Abstract

PURPOSE:To automate cleaning work by continuously carrying out a process to clean with chemicals, a process to clean with water and a process to remove moisture on the surface as a vehicle travels. CONSTITUTION:A cleaning truck 10 is moved to the side of a guard rail 12, a chemical roller brush 20 and a water washing roller brush 68 arranged at their storage position are moved to a guide rail cleaning position, and a blowout nozzle 59 is moved to the neighbourhood of the guide rail 12 outside on the left side of the truck. Thereafter, while supplying cleaning chemicals in a chemical tank 37 and washing water in a washing water tank 49 to the brushes 20 and 68, the brushes 20, 68 are rotated by hydraulic motors 19, 48, and compressed air is blown out from the nozzle 59. Thereafter, the truck 10 is made to travel along the rail 12 at low speed, the rail 12 is cleaned with chemicals by the brush 20, the surface of the rail cleaned with chemicals is washed with water by the brush 68, and thereafter, moisture on the surface of the rail is blown off with compressed air blown out from the nozzle 59, and the rail 12 is continuously cleaned.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of cleaning a guardrail and a cleaning vehicle therefor, and more specifically, it enables automatic cleaning of the guardrail, thereby improving the work efficiency of cleaning work and reducing road maintenance. The present invention relates to a cost-effective guardrail cleaning method and a cleaning vehicle therefor.

[0002]

2. Description of the Related Art A guardrail laid on the shoulder of a road is apt to be contaminated by muddy water splashed by an automobile running on a rainy day, traces of rainwater or snow, and dust in the atmosphere. Therefore, road corporations regularly clean guardrails. Conventionally, the guardrail cleaning work relies on complete manual work by the operator. That is, a bucket containing the cleaning liquid and a bucket containing the cleaning water are prepared in advance, and the worker first uses a sponge for the cleaning liquid to apply the cleaning liquid to the surface of the guardrail while cleaning with a chemical solution, and then for the cleaning water. After washing with washing water using the sponge of No. 1, it was wiped off with a dry sponge and a rag.

[0003]

However, since the conventional guardrail cleaning work relies entirely on the manual work of the operator as described above, it is very time-consuming and a large number of workers must be secured. Therefore, there was a problem that road maintenance costs were high.

The present invention has been made in view of the above circumstances, and an automatic cleaning of guardrails can be achieved, whereby the efficiency of cleaning work can be improved, and the cost of road maintenance can be reduced. The purpose is to provide the cleaning car.

[0005]

A method according to the above-mentioned object.
The guardrail cleaning method described comprises a step of chemically cleaning the surface of the guardrail with a cleaning solution, a step of rinsing the surface of the chemically-cleaned guardrail with water, and a step of removing water on the surface of the water-washed guardrail. ,
These steps are configured to be continuously performed as the vehicle travels. It should be noted that the vehicle referred to here includes an automobile such as a truck having a driving unit, a towed cart, and a moving carriage that moves on a rail. In the case of a mobile trolley, the rail must be laid along the guardrail.

According to another aspect of the present invention, there is provided a guardrail cleaning vehicle having a first brush driving portion, and a chemical roller brush for cleaning the chemical liquid while supplying the cleaning liquid is movable by the chemical brush moving portion. A water washing roller brush having a chemical solution cleaning means for pressing against the surface and a second brush drive section for cleaning while supplying cleaning water is pressed against the surface of the guardrail after the chemical solution cleaning by the water cleaning brush moving section. And a blower means having an air pressure feeding device and blowing off the water content on the surface of the washed guardrail with compressed air blown from a blowing nozzle movable by a nozzle moving part. .

Further, in the guardrail cleaning vehicle according to a third aspect, in the guardrail cleaning vehicle according to the second aspect, the chemical liquid brush moving portion, the water washing brush moving portion, and the nozzle moving portion are each formed by an air cylinder. It is configured to have a link mechanism that can extend and contract to the left side.

Further, the guardrail cleaning vehicle according to claim 4 is the guardrail cleaning vehicle according to claim 2 or 3, wherein the chemical cleaning means and the water cleaning are sequentially performed from the vehicle front side to the rear side of the cargo bed. Means, the blower means is configured to be mounted.

[0009]

In the guardrail cleaning method and cleaning vehicle therefor according to claims 1 to 4, the surface of the guardrail is cleaned with a chemical solution while the cleaning solution is first supplied while the vehicle (cleaning vehicle) is running, and then the chemical solution is cleaned. The surface of the guardrail is washed with water while supplying the washing water, and then the water on the surface of the washed guardrail is removed.

Particularly, in the guard rail cleaning vehicle according to the third aspect, each link of the chemical liquid brush moving portion, the water rinsing brush moving portion, and the nozzle moving portion is expanded and contracted by the air cylinder, and the chemical liquid roller brush, the water rinsing roller brush, or the blowing nozzle. To and from the guardrail side.

Further, in the guardrail cleaning vehicle of claim 4, the surface of the guardrail is cleaned with a chemical roller brush, then washed with a water-washing roller brush, and then adhered to the surface of the guardrail as the cleaning vehicle moves forward. The produced water is blown off by the compressed air blown from the blowing nozzle to finish.

[0012]

Embodiments of the present invention will now be described with reference to the accompanying drawings to provide an understanding of the present invention. 1 is a left side view of a guardrail cleaning vehicle according to an embodiment of the present invention, FIG. 2 is a plan view of the guardrail cleaning vehicle, FIG. 3 is a front view of the guardrail cleaning vehicle, and FIG. It is a rear view of the cleaning car of the same guardrail.

As shown in FIGS. 1 and 2, a guardrail cleaning vehicle 10 according to one embodiment of the present invention sequentially cleans a chemical solution from the vehicle front side to the vehicle left side (guardrail 12 side) of a loading platform 11 from the vehicle front side. The means 13, the water washing means 14, and the blower means 15 are mounted. Hereinafter, each means 13-1
5 will be described in detail. The chemical cleaning means 13 has an inverted L-shaped stand 16 which is provided upright in the vicinity of the central portion in the vehicle width direction and whose front end is bent to the left side of the vehicle. Stand 16
A swivel post 17 whose lower end extends to the edge of the loading platform 11 is pivotally attached to the tip of the swivel post. The base of a link mechanism 18, which is an example of a chemical liquid brush moving unit, is axially attached to the lower side of the swivel post 17. Further, a chemical liquid roller brush 20 having a hydraulic motor 19 which is an example of a first brush driving unit and cleaning the guardrail 12 with a chemical liquid while supplying the cleaning liquid is attached to the tip of the link mechanism 18.

A hydraulic cylinder 21 extending in the vehicle width direction is mounted on the vehicle front end of the loading platform 11.
The tip of the rod 22 is pivotally attached to the projecting piece 23 at the base of the turning post 17. Rod 22 of hydraulic cylinder 21
The swivel post 17 is rotated in the circumferential direction by about 90 degrees by moving in and out, and the chemical solution roller brush 20 is passed through the link mechanism 18 from the storage position on the edge of the luggage carrier 11 to the left outside of the vehicle. Rotate horizontally to the washing position. Next, the link mechanism 18 will be described in detail with reference to FIGS.

As shown in FIGS. 1 and 2, the link mechanism 18
Is attached to the center of the turning post 17 and the lower part of the turning shaft 24.
A pair of left and right base portions 25 and 26 on the upper and lower sides are respectively provided on the base portions via a and 24b. The tip portions of the upper and lower base portion side links 25, 26 are respectively provided at the corners on one side of the pair of left and right triangular plates 27 with a rotating shaft 28a,
28b is pivotally attached via a triangular plate 27
The bases of the left and right front side links 30 and 31 are paired on the other side corners via rotary shafts 28b and 29, respectively.

The chemical liquid roller brush 20 is axially attached to a U-shaped storage case 32 so as to be horizontally rotatable when viewed from the side, and above the pair of left and right inclined pieces 33 protruding from the back surface of the back plate of the storage case 32. The tip portions of the front side links 30 and 31 are pivotally attached to the lower corners via the rotary shafts 34a and 34b. In addition, as for a specific shaft mounting structure of the chemical liquid roller brush 20, the shaft 35 is horizontally rotatably mounted between the bearing 35 mounted on the upper plate of the storage case 32 and the rotary joint 36 mounted on the lower plate. There is. Rotary joint 36
A flexible tube 39 extending from a chemical liquid tank 37 on the right rear portion of the cargo box 11 and connected to a pump 38 is connected to the. The cleaning liquid in the chemical liquid tank 37 is supplied by the pump 38 to the porous pipe shaft core (not shown) of the chemical liquid roller brush 20 via the flexible tube 39 and the rotary joint 36, and a large number of holes are formed on the outer peripheral surface. While the cleaning liquid is being blown from the section, the hydraulic motor 19 rotates the chemical liquid roller brush 20 to clean the guardrail 12 with the chemical liquid.

A base portion of the first air cylinder 40 extending in the vertical direction is axially attached to the base portion of the turning post 17.
The tip portion of the rod 41 is pivotally attached to a connecting shaft 42 that connects the vicinity of the intermediate portion of the upper base side link 25. A base portion of a short second air cylinder 43 extending in the horizontal direction is attached to the connecting shaft 42 by a rod 44.
The tip end portion of the third air cylinder 45 is pivotally attached via a pin 46 to the vicinity of the middle portion of the third air cylinder 45 whose base portion is pivotally attached to the middle portion of the rotating shaft 29. Rod 4 of third air cylinder 45
The tip end of 7 is pivotally attached to the intermediate portion of the rotary shaft 34a. After rotating the chemical liquid roller brush 20 to the guard rail cleaning position side by the hydraulic cylinder 21, the rods 41, 44, 47 of the first to third air cylinders 40, 43, 45 are rotated.
The chemical liquid roller brush 2
Move 0 to the guardrail wash position.

Next, the water washing means 14 will be described with reference to FIGS. The washing means 14 has a hydraulic motor 48, which is an example of a second brush drive section, and washes water while supplying the washing water in the washing water tank 49 mounted on the right center portion of the cargo bed 11 with water. 68 is pressed against the surface of the guardrail 12 after chemical cleaning by the link mechanism 50, which is an example of a cleaning brush moving unit, and since the basic structure is the same as the chemical cleaning unit 13, the same reference numerals are given. The description is omitted. Then again,
The blower means 15 will be described in detail with reference to FIG.

As shown in FIGS. 1, 2, and 4, the blower means 1
5 is a stand 5 which is erected on the rear side of the vehicle on the left side of the loading platform 11.
1, the front end portion of the mounting plate 53 projects upwardly and downwardly from a pair of vertically extending long holes 52 formed in the vehicle left side surface of the stand 51. The mounting plate 53 moves up and down by moving the rod 55 of the hydraulic cylinder 54 housed in the stand 51 in and out, and the nozzles are attached to the upper and lower corners of the external protrusion of the mounting plate 53 via the rotating shafts 56a and 56b. The bases of the upper and lower links 57 and 58, which are an example of a moving unit, are pivotally mounted.

The tips of the upper and lower links 57 and 58 are axially attached to the upper and lower ends of the back plate of the vertically elongated box-shaped blow-out nozzle 59 through rotary shafts 60a and 60b, and the attachment plate 53 is attached. A short air cylinder 62 for fixing the lower link 58 in the vertical direction about the rotation shaft 56b by advancing and retracting the rod 61 is fixed to the lower portion. By pulling the rod 55 of the hydraulic cylinder 54 to lower the mounting plate 53 and projecting the rod 61 of the air cylinder 62, the upper and lower links 5
Blow-out nozzle 5 that was in the storage position via 7, 58
9 is moved to the outside guardrail cleaning position on the left side of the vehicle. An air pressure feeding device 63 is mounted near the rear portion of the loading platform 11 on the left side of the vehicle, and compressed air is supplied to the blowing nozzle 59 via the flexible tube 64.

In the figure, reference numeral 65 is a generator, and reference numeral 66.
Is a hydraulic unit, and 67 is an alarm lamp mounted on the rear part of the luggage carrier 11.

Next, a guardrail cleaning method using the guardrail cleaning vehicle 10 according to one embodiment of the present invention will be described. As shown in FIGS. 2 and 3, first, the guard rail cleaning vehicle 10 is moved to the guard rail 12 side, and then the rod 22 of the hydraulic cylinder 21 on the chemical cleaning means 13 side and the rod 22 of the hydraulic cylinder 21 on the water cleaning means 14 side. And the rods 41, 44, 47 of the first to third air cylinders 40, 43, 45 of the link mechanisms 18, 50, respectively.
Liquid chemical roller brush 2 that is placed in the storage position
0 and the water washing roller brush 68 are moved to the guardrail cleaning position, and both brushes 20 and 68 are moved to the guardrail 1
Press on the surface of 2. As shown in FIG. 4, the rod 55 of the hydraulic cylinder 54 of the blower means 15 is pulled in, and the rod 61 of the air cylinder 62 is projected so that the blow-out nozzle 59 is located near the outside guardrail 12 on the left side of the vehicle. Move to.

Thereafter, the pumps 38 supply the cleaning liquid in the chemical liquid tank 37 and the cleaning water in the cleaning water tank 49 to the chemical liquid roller brush 20 and the water cleaning roller brush 68, respectively, while the hydraulic motors 19 and 48 both operate. While rotating the liquid brushes 20, 68, the pneumatic pumping device 63
The compressed air is blown out from the blowing nozzle 59. Then, while maintaining these states, the guardrail cleaning vehicle 10 is run at a low speed along the guardrail 12,
The surface of the guardrail 12 is cleaned.

That is, as the cleaning vehicle 10 for the guardrail travels, the surface of the guardrail 12 is first cleaned with a chemical solution by the chemical roller brush 20 while the cleaning solution is being blown, and then the surface of the guardrail 12 that has been chemically cleaned is
Washing water is washed with the washing roller brush 68 while blowing the washing water, and then the water on the surface of the guardrail 12 that has been washed is blown off by the compressed air blown from the blowing nozzle 59 for continuous cleaning. As a result, it is possible to automate the cleaning work of the guardrail 12 which has conventionally depended on human labor, improve the work efficiency of the cleaning work, and reduce the cost of road maintenance. Further, the first to third air cylinders 40, 43 and 45 rotate the link mechanisms 18 and 50 on the side of the chemical cleaning means 13 and the water cleaning means 14, and the air cylinder 61 rotates the upper and lower links 57 and 58, respectively. Since the chemical solution roller brush 20, the water washing roller brush 68 or the blowing nozzle 59 is put in and taken out from the guardrail 12 side, the structure is simple and the equipment can be manufactured at low cost, and it is hard to break and easy to maintain.

Further, the driver of the guardrail cleaning vehicle 10 can clean the surface of the guardrail 12 by moving forward so that the steering wheel can be easily operated. Therefore, even if there is a curved portion or a deformed portion of the road, the change of the surface can be achieved. The driving operation corresponding to can be done easily.

The present invention has been described above. However, the present invention is not limited to these embodiments, and changes in design and the like without departing from the scope of the invention are included in the present invention. For example, in the embodiment, as the chemical liquid roller brush and the water washing roller brush, the guard rail is washed while the chemical liquid or the washing water is caused to flow out from the hole formed in the brush core, but the invention is not limited to this. In addition to each roller brush, a chemical or cleaning water supply nozzle may be provided. Further, in the embodiment, the roller brush is used for cleaning the guardrail with the chemical liquid or the water, but the invention is not limited to this, and any other cleaning member such as sponge may be used.

Further, in the embodiment, as a means for removing the water on the surface of the guardrail which has been washed with water, the blower means for blowing off the water adhered by the compressed air blown from the blowing nozzle is shown, but the invention is not limited to this. Also,
Any means can be used as long as it can remove water on the surface of the guardrail during traveling. Furthermore, in the embodiment, as the chemical liquid brush moving unit, the water washing brush moving unit and the nozzle moving unit, the link mechanism that can be expanded and contracted by the air cylinder is adopted, but the invention is not limited to this, and the chemical liquid roller brush and the water washing roller brush are not limited thereto. Any type may be used as long as the blowing nozzle can be moved to the left side portion of the vehicle. Further, in the embodiment, the chemical solution cleaning means, the water cleaning means, and the blower means are sequentially mounted from the front of the vehicle to the rear, but the mounting order is not limited to this and may be arbitrary. However, in that case, when cleaning the guardrail, the vehicle is temporarily retracted or cleaned by back running, which is difficult to drive, because the chemical solution cleaning step, the water cleaning step, and the water removal step are sequentially performed.

In the above embodiment, the chemical cleaning means, the water cleaning means, and the blower means are provided on the left side with respect to the traveling direction of the vehicle. However, for example, the chemical solution tank, the cleaning water tank, and the generator are arranged in the central portion, These may be provided on the right side or the left and right sides in the traveling direction of the vehicle. Further, the chemical liquid tank, the cleaning tank, and the generator are concentrated on the front or rear of the vehicle, and the chemical liquid cleaning means, the water washing means, and the blower means are arranged in the center of the vehicle, and the respective brushes and nozzles can be swung to the left and right. You may do it. Further, the chemical cleaning means, the water cleaning means, and the blower means may be mounted on the slide base so as to be movable left and right, so that the arm of the brush and the nozzle may be configured more efficiently.

[0029]

The guardrail cleaning method and the cleaning vehicle therefor according to claims 1 to 4 continuously clean the surface of the guardrail with a chemical solution, a water rinse, and
Further, since the surface moisture is removed, the guardrail can be automatically cleaned, which can improve the work efficiency of the cleaning work and reduce the cost of road maintenance.

Particularly, in the guard rail cleaning vehicle according to the third aspect, the link mechanism of the chemical liquid brush moving portion, the water washing brush moving portion, and the nozzle moving portion is expanded and contracted by the air cylinder.
Since the chemical liquid roller brush, the water washing roller brush, or the blowing nozzle is moved in and out of the guardrail side, the structure is simple, the equipment cost can be reduced, and it is hard to break and easy to maintain.

Further, in the guardrail cleaning vehicle according to a fourth aspect of the present invention, when the cleaning vehicle moves forward, the surface of the guardrail is cleaned with a chemical roller brush, then washed with a washing roller brush, and then the surface of the guardrail is cleaned. Since the attached water is blown off by the compressed air blown out from the blowing nozzle to finish, the guardrail can be cleaned simply by running the cleaning vehicle along the guardrail to the front where the steering wheel can be easily operated.

[Brief description of drawings]

FIG. 1 is a left side view of a guardrail cleaning vehicle according to an embodiment of the present invention.

FIG. 2 is a plan view of a cleaning vehicle for the guardrail.

FIG. 3 is a front view of the cleaning vehicle for the guardrail.

FIG. 4 is a rear view of the cleaning vehicle for the guardrail.

[Explanation of symbols]

 10 Guardrail Cleaning Vehicle 11 Bed 12 Guardrail 13 Chemical Cleaning Means 14 Water Washing Means 15 Blower Means 16 Stands 17 Swivel Posts 18 Link Mechanisms 19 Hydraulic Motors 20 Chemical Liquid Roller Brushes 21 Hydraulic Cylinders 22 Rods 23 Protrusions 24a Rotating Shafts 24b Rotating Shafts 25 Base Side Link 26 Base Side Link 27 Triangular Plate 28a Rotating Shaft 28b Rotating Shaft 29 Rotating Shaft 30 Front Side Link 31 Front Side Link 32 Storage Case 33 Tilt Piece 34a Rotating Shaft 34b Rotating Shaft 35 Bearing 36 Rotary joint 37 Chemical solution tank 38 Pump 39 Flexible tube 40 First air cylinder 41 Rod 42 Connecting shaft 43 Second air cylinder 44 Rod 45 Third air cylinder 46 pin 47 Rod 48 Hydraulic motor 49 Wash water tank 0 link mechanism 51 stand 52 long hole 53 mounting plate 54 hydraulic cylinder 55 rod 56a rotating shaft 56b rotating shaft 57 upper link 58 lower link 59 blowing nozzle 60a rotating shaft 60b rotating shaft 61 rod 62 air cylinder 63 pneumatic feeding Device 64 Flexible tube 65 Generator 66 Hydraulic unit 67 Alarm lamp 68 Washing roller brush

Claims (4)

[Claims] 1. A step of cleaning the surface of the guardrail with a cleaning solution with a chemical solution, a step of cleaning the surface of the guardrail cleaned with the chemical solution with water, and a step of removing water from the surface of the washed guardrail, A guardrail cleaning method, wherein the steps are continuously performed as the vehicle travels. 2. A chemical solution cleaning means having a first brush drive section for pressing a chemical solution roller brush for cleaning a chemical solution while supplying a cleaning solution against a surface of a guardrail so as to be movable by a chemical solution brush moving section; With a brush drive of
A washing roller brush for washing while supplying washing water, a washing means for pressing against the surface of the guardrail after the chemical cleaning by the washing brush moving part, and having an air pressure feeding device,
A guardrail cleaning vehicle comprising: a blower unit that blows away water on the surface of the washed guardrail with compressed air blown from a blowing nozzle that is movable by a nozzle moving unit. 3. The chemical liquid brush moving part, the water washing brush moving part, and the nozzle moving part each have a link mechanism that can be expanded and contracted to the left side of the vehicle by an air cylinder. Guardrail cleaning car. 4. The guardrail cleaning according to claim 2, wherein the chemical solution cleaning means, the water cleaning means, and the blower means are sequentially mounted from the front of the vehicle to the rear of the loading platform. car.