CN110565561B

CN110565561B - Road bridge guardrail washs EMUs

Info

Publication number: CN110565561B
Application number: CN201910830705.9A
Authority: CN
Inventors: 周学彬; 黎超; 郑德平; 王世泉; 董高岭; 李金光
Original assignee: Jiangsu Jietong Road And Bridge Engineering Co ltd
Current assignee: Jiangsu Jietong Road And Bridge Engineering Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2024-05-10
Anticipated expiration: 2039-09-04
Also published as: CN110565561A

Abstract

The invention belongs to the technical field of municipal engineering, and discloses a road and bridge guardrail cleaning vehicle set.

Description

Road bridge guardrail washs EMUs

Technical Field

The invention relates to the technical field of municipal engineering, in particular to a road and bridge guardrail cleaning vehicle set.

Background

Under the influence of factors such as atmospheric pollution, rain wash, road surface ponding splashing, the road bridge guardrail is easy to adhere to on the surface, accumulate pollutants such as water stains, mud stains and the like. Long time, the pollutant can carry out the large tracts of land corruption to the road bridge guardrail, greatly reduced road bridge's life-span, need to carry out periodic cleaning maintenance to it.

The Chinese patent with the bulletin number of CN107604860B discloses a cleaning device for a bridge guardrail, which comprises a frame, a lifting fixing device arranged on one side of the frame, a cleaning component, a wiping component and an air drying component, wherein the cleaning component, the wiping component and the air drying component are fixedly arranged on the fixing device; an upper cavity and a lower cavity are arranged in the frame, and a solar photovoltaic panel is arranged in the upper cavity; a water collecting tank is arranged in the lower cavity; the top of the frame is provided with a light collecting component; the bottom of the frame is provided with a movable guide wheel; the periphery of the upper part of the frame is provided with a water collecting tank which is connected with a rainwater filtering device through a water guide pipe; the rainwater filtering device is connected with the water collecting tank.

The cleaning assembly comprises a first inverted U-shaped support frame and rollers with brushes, wherein the rollers are arranged on two sides of the interior of the first support frame; the inner side of the upright posts at the two sides of the first support frame is provided with a spray head, and the water cavity is connected with a water outlet at the bottom of the water collecting tank through a water guide pipe; the roller is fixedly connected with a first rotating shaft, and the first rotating shaft is driven by a first rotating motor; the first rotary motor is fixed on the first supporting frame.

When the bridge guardrail cleaning device works, water in the water collecting tank is guided to the spray head through the water cavity in the first supporting frame and the water guide pipe, and then sprayed out of the spray head to one side of the roller, so that the roller is wetted. The first rotary motor drives the first rotary shaft to rotate and drives the wet roller to rotate so as to brush the surface of the guardrail.

When the bristles brush the guardrail, stains on the surface of the guardrail tend to be easily adhered to the bristles. Along with the gradual accumulation of stains, the cleaning effect of the bristles is poorer and worse, and the bristles are required to be cleaned at the moment, so that the cleaning is inconvenient.

Disclosure of Invention

The invention aims to provide a road and bridge guardrail cleaning vehicle set which has the advantages that high-speed water flow is utilized to directly wash guardrails, stains on the guardrails flow into a sewage pipeline along with water, no additional treatment is needed, and the guardrails can be continuously cleaned.

The technical aim of the invention is realized by the following technical scheme:

The utility model provides a road bridge guardrail washs EMUs, includes washs car and transport vechicle, be equipped with high-pressure water pump, high-pressure water pipe, high-pressure nozzle on the washs the car, high-pressure nozzle passes through the high-pressure water pipe and links to each other with high-pressure water pump, and high-pressure nozzle is located the side of washs the car to directional guardrail, be equipped with the water tank on the transport vechicle, be equipped with the conduit between water tank and the high-pressure water pump and link to each other.

By adopting the technical scheme, the water tank is loaded on the transport vehicle, moves along with the washing vehicle, supplies water to the high-pressure water pump through the water pipeline, pumps the water into the high-pressure water pipe by the high-pressure water pump, then ejects the water from the high-pressure nozzle at high speed, and impacts the guardrail to peel off stains on the guardrail; the guardrail is directly flushed by high-speed water flow, stains on the guardrail flow into the sewage drain without additional treatment, and the guardrail can be continuously cleaned.

Further, the washing car both sides are equipped with a plurality of pairs of mount pad, the high-pressure water pipe is the hose, is equipped with the screwed pipe between high-pressure water pipe and the high-pressure nozzle and links to each other, screwed pipe and high-pressure water pipe rigid coupling, screwed pipe and high-pressure nozzle threaded connection, screwed pipe wear to locate on the mount pad, with mount pad sliding fit, the cover is equipped with fixation nut on the screwed pipe, fixation nut sets up in pairs in the mount pad both sides, and fixation nut offsets with the mount pad.

By adopting the technical scheme, the threaded pipe is in threaded connection with the high-pressure nozzle, and the high-pressure nozzle is communicated with the high-pressure water pipe; the threaded pipe passes through the mounting seat, is clamped at two sides of the mounting seat by using the fixing nuts, and is detachably fixed on the mounting seat; when the cleaning operation is carried out, the high-speed nozzle is firstly arranged on the right side of the cleaning vehicle, so that the cleaning vehicle moves along a low-speed lane, a sufficiently close distance is kept between the high-speed nozzle and the guardrail on the side, the guardrail is cleaned, then the high-speed nozzle is detached, the high-speed nozzle is arranged on the left side of the cleaning vehicle, the cleaning vehicle moves along the high-speed lane, a sufficiently close distance is kept between the high-speed nozzle and the guardrail on the side, and the guardrail is cleaned.

Further, adjusting screw and guide bar have been erect in pairs to the washing car both sides, and adjusting screw and guide bar all set up along vertical direction, the cover is equipped with a plurality of first sleeves of group and adjusting nut on the adjusting screw, first sleeve and adjusting screw sliding fit, adjusting nut and adjusting screw thread fit, and adjusting nut set up in pairs at first sleeve both ends, and adjusting nut offsets with first telescopic terminal surface, the cover is equipped with a plurality of second sleeves on the guide bar, second sleeve and guide bar sliding fit, the mount pad is arranged along vertical direction, mount pad both sides respectively with corresponding first sleeve and second sleeve rigid coupling.

By adopting the technical scheme, the first sleeve and the second sleeve are respectively sleeved on the adjusting screw and the guide rod and are fixedly connected with the mounting seat at the same time, so that the mounting seat is kept stable and can move along the vertical direction; utilize adjusting nut to carry out spacingly to first sleeve to adjust first telescopic position through changing adjusting nut's position, finally accomplish the regulation to high-pressure nozzle height, with guardrail high assorted, make high-speed rivers can be more abundant, evenly wash the guardrail.

Further, the auxiliary stand is arranged on two sides of the washing vehicle, the bottom end of the auxiliary stand is connected with the washing vehicle, the top end of the auxiliary stand is obliquely arranged towards the guardrail, and the auxiliary stand is provided with a waist-shaped groove which can be used for allowing the threaded pipe to pass through.

By adopting the technical scheme, the threaded pipe can be fixed on the auxiliary bracket by the fixing nut after passing through the waist-shaped groove; because the auxiliary support is obliquely arranged, the threaded pipe and the high-pressure nozzle connected with the threaded pipe are obliquely downward, and the threaded pipe can be used for flushing the guardrail with the cambered surface at the top end.

Further, the side of the washing vehicle is provided with baffles, and the baffles are arranged on two sides of the high-pressure nozzle in pairs.

Through adopting above-mentioned technical scheme, when the direction of high pressure nozzle appears the skew, the baffle that sets up in pairs in high pressure nozzle both sides can intercept high-speed rivers, guarantees operating personnel's personal safety.

Furthermore, the cleaning vehicle is provided with a cleaning agent storage box, and the cleaning agent storage box is provided with a conduit connected with the water conveying pipeline.

Through adopting above-mentioned technical scheme, the cleaner that stores in the cleaner bin can flow into conduit through the pipe, mixes the back with the rivers, and the washing effect of high-speed rivers is better.

Further, the side rotating frame of the washing vehicle is provided with a brush roller, the axis of the brush roller is vertical, the brush roller is attached to the guardrail, and the brush roller is positioned between the high-pressure nozzle and the tail of the washing vehicle.

Through adopting above-mentioned technical scheme, the guardrail is washed through high-speed rivers earlier, then contacts with the brush roll, and the brush roll can be with the further brush of a small amount of dirt of remaining on the guardrail.

Further, the side rotating frame of the washing vehicle is provided with a rotating shaft, the rotating shaft is arranged in the vertical direction, a rotating arm and a torsion spring are arranged on the rotating shaft, one end of the rotating arm is fixedly connected with the rotating shaft, the other end of the rotating arm is rotationally connected with the brush roller, the torsion spring is sleeved on the rotating shaft, one end of the torsion spring is connected with the rotating arm, and the other end of the torsion spring is connected with the washing vehicle.

Through adopting above-mentioned technical scheme, the brush roll rotating frame is erect on the radial arm, through radial arm and pivot and washing car swing joint, when the distance between washing car and the guardrail changes, the brush roll remains throughout and laminating with the guardrail side, and can not cause the hindrance to the removal of washing car.

Further, the side of washing car is provided with the leading wheel in pairs, the leading wheel rotates to erect on the washing car, and the axis of leading wheel is vertical, and the leading wheel is arranged along the advancing direction of washing car, and the leading wheel offsets with the guardrail.

By adopting the technical scheme, the guide wheel is propped against the guardrail and is used for controlling the washing vehicle to keep a proper distance with the guardrail.

Further, the side of washing car has the third sleeve in pairs rigid coupling, the third sleeve is perpendicular with the side of washing car, has seted up a plurality of locating holes on the third sleeve, be equipped with the slide bar between leading wheel and the third sleeve and link to each other, the leading wheel rotates with slide bar one end to be connected, slide bar dorsad leading wheel one end and the cooperation of third sleeve slip grafting, has seted up spacing hole on the slide bar, wear to be equipped with the bolt in spacing hole and the locating hole.

Through adopting above-mentioned technical scheme, slide bar and third sleeve slip grafting cooperation, through change with spacing hole matched with locating hole, can adjust slide bar and third telescopic overall length, and then adjust the distance of leading wheel and washing car side, finally realize the regulation to washing car and guardrail interval.

In summary, the invention has the following beneficial effects:

1. The high-speed water flow is utilized to directly wash the guardrails, so that dirt on the guardrails can be continuously cleaned along with the water flow into the sewage pipes without additional treatment;

2. the high-pressure nozzle and the high-pressure water pipe are detachably arranged on the side surface of the washing vehicle through the threaded pipe, so that the two sides of the washing vehicle are not required to be assembled at the same time, and the cost is saved;

3. The height of the high-pressure nozzle can be adjusted by arranging the adjusting screw and the adjusting nut, and the high-pressure nozzle is matched with the height of the guardrail;

4. through setting up the baffle, can block the high-speed rivers of skew, guarantee operating personnel's personal safety.

Drawings

FIG. 1 is a schematic overall structure of an embodiment;

FIG. 2 is a schematic view showing an internal structure of the washing vehicle in the embodiment;

FIG. 3 is a schematic diagram showing the connection relationship among the high-pressure nozzle, the high-pressure nozzle and the washing vehicle in the embodiment;

FIG. 4 is a schematic diagram of the connection relationship between the brush roller and the washing vehicle in the embodiment;

fig. 5 is a schematic diagram of the connection relationship between the guide wheel and the washing vehicle in the embodiment.

In the figure, 1, a washing vehicle; 2. a transport vehicle; 3. a high pressure water pump; 4. a high pressure water pipe; 5. a high pressure nozzle; 6. a water tank; 7. a water pipe; 8. a cleaning agent storage tank; 9. a brush roller; 10. guard bars; 101. a mounting base; 102. adjusting a screw; 103. a guide rod; 104. a first sleeve; 105. an adjusting nut; 106. a second sleeve; 107. an auxiliary bracket; 108. a waist-shaped groove; 109. a baffle; 110. a rotating shaft; 111. a radial arm; 112. a torsion spring; 113. a guide wheel; 114. a third sleeve; 115. positioning holes; 116. a slide bar; 117. a limiting hole; 118. a plug pin; 119. a seat; 120. a steering wheel; 121. a fuel engine; 122. a top cover; 41. a threaded tube; 42. a fixing nut; 81. a catheter.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples:

The utility model provides a road bridge guardrail cleaning vehicle group, is shown as fig. 1, includes washing car 1 and transport vechicle 2, installs structures such as seat 119, steering wheel 120 on the washing car 1, is loaded with water tank 6 on the transport vechicle 2, and water tank 6 supplies water to washing car 1 through conduit 7.

When the vehicle is used, the vehicle can pull the vehicle 1 to move forwards through other vehicles, or the vehicle 1 can be provided with the fuel engine 121 and the transmission system, the front wheel of the vehicle 1 is used as a driving wheel, the vehicle 1 can move forwards automatically, and the vehicle 2 is followed behind the vehicle 1.

As shown in fig. 2 and 3, the top cover 122 of the washing vehicle 1 can be turned over and opened, and the washing vehicle 1 is provided with a high-pressure water pump 3, a high-pressure water pipe 4, a high-pressure nozzle 5 and a cleaning agent storage tank 8. The high-pressure water pump 3 and the cleaning agent storage box 8 are fixedly arranged on the cleaning vehicle 1, the cleaning agent storage box is directly connected with the water conveying pipeline 7 and is connected with the high-pressure nozzle 5 through the high-pressure water pipe 4, and the cleaning agent storage box is connected with the water conveying pipeline 7 through the conduit 81.

The cleaning agent in the cleaning agent storage box 8 flows into the water delivery pipeline 7 through the conduit 81, and enters the high-pressure water pump 3 after being mixed with water. The high-pressure water pump 3 pumps water into the high-pressure water pipe 4, and then the high-pressure water is sprayed out at a high speed by the high-pressure nozzle 5 to impact on the guardrail 10 so as to flush the guardrail 10.

As shown in fig. 2 and 3, the high-pressure water pipe 4 is a hose, one end of the hose facing the high-pressure nozzle 5 is fixedly connected with a threaded pipe 41, and the high-pressure nozzle 5 is in threaded fit with the threaded pipe 41 and is communicated with the high-pressure water pipe 4 through the threaded pipe 41.

As shown in fig. 3, the sides of the washing vehicle 1 are provided with five mounting seats 101 and an auxiliary bracket 107 for fixing six sets of high-pressure nozzles 5 and high-pressure water pipes 4, respectively.

As shown in fig. 3, five mounting seats 101 are arranged in sequence in the vertical direction, and a threaded pipe 41 passes through the mounting seats 101 and is in sliding fit with the mounting seats 101. In addition, the threaded pipe 41 is sleeved with a fixing nut 42, the fixing nut 42 and the mounting seat 101 are in threaded fit, the fixing nuts 42 are arranged on two sides of the mounting seat 101 in pairs and are propped against the mounting seat 101, the threaded pipe 41 is fixed on the mounting seat 101, and then the tail end of the high-pressure water pipe 4 (see fig. 2) and the high-pressure nozzle 5 are fixed on the mounting seat 101. The high pressure nozzle 5 on the mount 101 is disposed in a horizontal direction, and is directed vertically to the side of the guardrail 10 (see fig. 1).

As shown in fig. 3, the side surfaces of the washing vehicle 1 are each provided with an adjusting screw 102 and a guide bar 103 for fixing the mount 101 at a specific height and adjusting the position of the high-pressure nozzle 5.

As shown in fig. 3, the adjusting screw 102 and the guide rod 103 are arranged along the vertical direction, and are arranged side by side, five first sleeves 104 are sleeved on the adjusting screw 102 in a sliding manner, and five second sleeves 106 are sleeved on the guide rod 103 in a sliding manner, and correspond to the five mounting seats 101 respectively. One side of the mounting seat 101 is fixedly connected with the first sleeve 104, and the other side is fixedly connected with the second sleeve 106, so that the mounting seat can move up and down.

As shown in fig. 3, the adjusting screw 102 is sleeved with five adjusting nuts 105, which are respectively matched with the five first sleeves 104. The adjusting nut 105 is in threaded engagement with the adjusting screw 102, abuts against the upper and lower end surfaces of the first sleeve 104, and limits the first sleeve 104 to a specific height. By varying the position of the adjustment nut 105 on the adjustment screw 102, the position of the high pressure nozzle 5 can be varied to match the height of the guardrail 10 (see fig. 1).

As shown in fig. 3, the bottom end of the auxiliary bracket 107 is fixedly connected with the washing vehicle 1, the top end is inclined toward the guardrail 10 (see fig. 1), a waist-shaped groove 108 is formed thereon, and the waist-shaped groove 108 is disposed along the length direction of the auxiliary bracket 107. The threaded pipe 41 is inserted into the waist-shaped groove 108, and the fixing nuts 42 are clamped on both sides of the auxiliary bracket 107, so that the high-pressure nozzle 5 can be fixed on the auxiliary bracket 107.

For the guard rail 10 with its top end inclined outward, the high pressure nozzle 5 mounted on the auxiliary bracket 107 can flush its top end. In addition, by changing the position of the threaded tube 41 in the waist-shaped groove 108, the position of the high-pressure nozzle 5 can be further adjusted so as to be opposite to the top end of the guardrail 10.

As shown in fig. 1 and 3, the side surfaces of the washing vehicle 1 are fixedly connected with baffle plates 109, and the baffle plates 109 are vertical and are arranged at two sides of the high-pressure nozzle 5 in pairs. When the high pressure nozzle 5 deflects, the baffle 109 also blocks the deflected high velocity water flow, protecting the operator.

As shown in fig. 1 and 4, the side surfaces of the washing vehicle 1 are each rotatably mounted with a rotary shaft 110, the rotary shaft 110 is arranged in the vertical direction, and the top and bottom ends thereof are provided with a rotating arm 111 and a torsion spring 112 in pairs. One end of the radial arm 111 is fixedly connected with the rotating shaft 110, the torsion spring 112 is sleeved on the rotating shaft 110, one end of the torsion spring is connected with the washing vehicle 1, and the other end of the torsion spring is connected with the radial arm 111.

As shown in fig. 1 and 4, the brush roller 9 is located between the baffle 109 and the tail of the washing vehicle 1, and is disposed along the vertical direction, the top end and the bottom end of the brush roller are respectively connected with one end of the two radial arms 111, which is opposite to the rotating shaft 110, and the side wall is attached to the guardrail 10.

The torsion spring 112 drives the rotating shaft 110 and the radial arm 111 to rotate, and drives the brush roller 9 to press on the guardrail 10, so that the guardrail 10 washed by high-speed water flow is further cleaned.

As shown in fig. 1 and 5, a pair of third sleeves 114 are respectively arranged at two sides of the washing vehicle 1, the third sleeves 114 are perpendicular to the guard rail 10 and are respectively positioned at the head part and the tail part of the washing vehicle 1, one end of each third sleeve is fixedly connected with the washing vehicle 1, and the other end of each third sleeve is connected with the guide wheel 113 through a sliding rod 116. The sliding rod 116 is coaxial with the third sleeve 114, the sliding rod 116 and the third sleeve 114 are in sliding plug-in fit, the guide wheel 113 is rotatably arranged on the end face of one end of the sliding rod 116, which is opposite to the washing vehicle 1, and the axis of the guide wheel 113 is vertical and props against the guardrail 10.

As shown in fig. 5, the third sleeve 114 is provided with a plurality of positioning holes 115, and the positioning holes 115 are arranged along the length direction of the third sleeve 114. Correspondingly, the slide bar 116 is provided with a limiting hole 117, and the position of the slide bar 116 on the third sleeve 114 is changed, so that the limiting hole 117 is aligned with different positioning holes 115, namely, the distance between the guide wheel 113 and the washing vehicle 1 can be adjusted, and the distance between the washing vehicle 1 and the guardrail 10 (see fig. 1) is further controlled. After the adjustment is completed, the bolt 118 is inserted into the limiting hole 117 and the corresponding positioning hole 115, so that the third sleeve 114 and the slide rod 116 are kept relatively fixed.

The specific implementation process comprises the following steps:

The transport vehicle 2 is provided with a water tank 6 which moves along with the washing vehicle 1 and supplies water to the high-pressure water pump 3 through a water pipe 7. The high-pressure water pump 3 pumps water into the high-pressure water pipe 4, and then is ejected from the high-pressure nozzle 5 at a high speed to impact on the guardrail 10, so that stains on the guardrail 10 are peeled off. The soil can be continuously cleaned from the guardrail 10 as it flows into the sewer without additional treatment.

After the cleaning of the guardrail 10 on one side is completed, the high-pressure nozzle 5, the high-pressure water pipe 4, the sliding rod 116 and the guide wheel 113 are detached and mounted on the other side of the cleaning vehicle 1, and then the transportation vehicle 2 and the cleaning vehicle 1 travel along the high-speed lane to complete the cleaning of the guardrail 10 on the other side.

The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Claims

1. The utility model provides a road bridge guardrail washs EMUs which characterized in that: including wash car (1) and transport vechicle (2), be equipped with high-pressure water pump (3), high-pressure water pipe (4), high-pressure nozzle (5) on wash car (1), high-pressure nozzle (5) link to each other with high-pressure water pump (3) through high-pressure water pipe (4), and high-pressure nozzle (5) are located the side of wash car (1) to directional guardrail (10), be equipped with water tank (6) on transport vechicle (2), be equipped with conduit (7) between water tank (6) and high-pressure water pump (3) and link to each other, wash car (1) both sides are equipped with a plurality of pairs of mount pad (101), high-pressure water pipe (4) are the hose, are equipped with screwed pipe (41) between high-pressure nozzle (4) and high-pressure nozzle (5) and link to each other, screwed pipe (41) and high-pressure water pipe (4) rigid coupling, screwed pipe (41) are worn to locate on mount pad (101), with mount pad (101) sliding fit, screwed pipe (41) are equipped with fixed nut (103) in pairs, mount nut (103) and mount pad (102) are set up in pairs, nut (103) offset both sides, and adjusting screw (102) and guide bar (103) all set up along vertical direction, the cover is equipped with a plurality of first sleeve (104) of group and adjusting nut (105) on adjusting screw (102), first sleeve (104) and adjusting screw (102) sliding fit, adjusting nut (105) and adjusting screw (102) screw thread fit, and adjusting nut (105) set up in pairs at first sleeve (104) both ends, adjusting nut (105) offset with the terminal surface of first sleeve (104), the cover is equipped with a plurality of second sleeve (106) on guide bar (103), second sleeve (106) and guide bar (103) sliding fit, mount pad (101) are arranged along vertical direction, mount pad (101) both sides respectively with corresponding first sleeve (104) and second sleeve (106) rigid coupling, wash car (1) both sides all are equipped with auxiliary stand (107), auxiliary stand (107) bottom links to each other with wash car (1), and top orientation guardrail (10) slope sets up, and can set up threaded groove (41) on auxiliary stand (107) waist pipe (41) and pass through.

2. The road and bridge guardrail cleaning vehicle set of claim 1, wherein: the side of the washing vehicle (1) is provided with baffles (109), and the baffles (109) are arranged on two sides of the high-pressure nozzle (5) in pairs.

3. The road and bridge guardrail cleaning vehicle set of claim 1, wherein: the cleaning vehicle (1) is provided with a cleaning agent storage box (8), and the cleaning agent storage box (8) is provided with a conduit (81) connected with the water conveying pipeline (7).

4. The road and bridge guardrail cleaning vehicle set of claim 1, wherein: the side rotating frame of the washing vehicle (1) is provided with a brush roller (9), the axis of the brush roller (9) is vertical, the brush roller (9) is attached to the guardrail (10), and the brush roller (9) is positioned between the high-pressure nozzle (5) and the tail of the washing vehicle (1).

5. The road and bridge guardrail cleaning vehicle set of claim 4, wherein: the side rotating frame of the washing vehicle (1) is provided with a rotating shaft (110), the rotating shaft (110) is arranged in the vertical direction, a rotating arm (111) and a torsion spring (112) are arranged on the rotating shaft (110), one end of the rotating arm (111) is fixedly connected with the rotating shaft (110), the other end of the rotating arm is rotationally connected with the brush roll (9), the torsion spring (112) is sleeved on the rotating shaft (110), one end of the torsion spring (112) is connected with the rotating arm (111), and the other end of the torsion spring is connected with the washing vehicle (1).

6. The road and bridge guardrail cleaning vehicle set of claim 1, wherein: the side of washing car (1) is provided with leading wheel (113) in pairs, leading wheel (113) rotating frame is on washing car (1), and the axis of leading wheel (113) is vertical, and leading wheel (113) are arranged along the advancing direction of washing car (1), and leading wheel (113) offsets with guardrail (10).

7. The road and bridge guardrail cleaning vehicle set of claim 6, wherein: the side of washing car (1) has third sleeve (114) in pairs rigid coupling, third sleeve (114) are perpendicular with the side of washing car (1), have seted up a plurality of locating holes (115) on third sleeve (114), be equipped with slide bar (116) between leading wheel (113) and third sleeve (114) and link to each other, leading wheel (113) are connected with slide bar (116) one end rotation, slide bar (116) are carried forward to leading wheel (113) one end and are pegged graft the cooperation with third sleeve (114) slip, have seted up spacing hole (117) on slide bar (116), wear to be equipped with bolt (118) in spacing hole (117) and the locating hole (115).