CN211420989U

CN211420989U - Highway guardrail cleaning machine convenient to maintain

Info

Publication number: CN211420989U
Application number: CN201921341327.XU
Authority: CN
Inventors: 郭之录; 郭兆涛
Original assignee: Xinxiang Tongda Road New Technology Co ltd
Current assignee: Xinxiang Tongda Road New Technology Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-09-04
Anticipated expiration: 2029-08-19

Abstract

The utility model provides a highway guardrail cleaning machine convenient to maintain, which comprises a workbench, a support frame, a movable wheel, a support, a water storage tank, a sealing cover, a water pump, a first connecting seat, a rod frame, a second connecting seat, a vertical pipe, a protective cover, a sprinkler head, a connecting hose, an electric hydraulic cylinder, a connecting plate, a processing sheet, an adjusting and extending plate frame structure, a protective shell, a rotating motor, a U-shaped steel plate, a rotating bearing, a brush barrel, an auxiliary shielding plate frame structure, a protective maintenance box structure, a pushing handle and a U-shaped sleeving plate frame, wherein the support frame is welded at four corners of the lower part of the workbench; the moving wheel is connected to the lower part of the outer side of the support frame. The utility model has the advantages that: through adjusting the setting that extends grillage structure, before the use, the interval that the first expansion plate of pulling and second expansion plate can make between a brush section of thick bamboo and the brush section of thick bamboo is in suitable length, and is convenient for overlap and carry out the work of clearing up on the guardrail of different widths, and then has increased the effect of clearance.

Description

Highway guardrail cleaning machine convenient to maintain

Technical Field

The utility model belongs to the technical field of highway guardrail washs, especially, relate to a highway guardrail cleaning machine convenient to maintain.

Background

Isolation barrier on the highway mainly plays the isolation guard action to also can add some pleasing to the eye patterns or remind the mark on the guardrail for pleasing to the eye municipal administration department, because long-time use, the dust that the vehicle went to raise can be attached to the guardrail surface, influences city appearance, and the manual work is washd the guardrail, and intensity of labour is too big, and the cleaning speed is slow, and the technical scheme that prior art adopted for the belt cleaning device of a highway guardrail of chinese patent publication number 201810598900.9 is: comprises a bottom plate, rollers are arranged at the lower end of the bottom plate, a water pump and a bracket are arranged at one end of the upper end of the bottom plate, a water tank is fixed on the bracket, the water pumping port of the water pump is communicated with the water tank, the water outlet of the water pump is provided with a water pipe, the other end of the upper end of the bottom plate is provided with a slide rail along the length direction of the bottom plate, the slide rail is provided with a slide seat in sliding connection, the upper end of the sliding seat is provided with a jacking device, the upper end of the jacking device is provided with an upper connecting plate, the upper end of the upper connecting plate is provided with two motors, the lower end of the upper connecting plate is provided with symmetrical C-shaped frames, the inner sides of the C-shaped frames are provided with rotating shafts, brushes are sleeved on the rotating shafts, the rotating shaft is connected with the motor spindle, the spray head is fixed on the inner side of the C-shaped frame and communicated with the water pipe, and the cleaning machine has the advantages of being simple in operation method, capable of effectively reducing labor intensity of workers, high in cleaning speed and capable of saving a large amount of manpower and time.

However, the existing road guardrail cleaning machine also has the problems that the machine is inconvenient to adjust, is suitable for cleaning the road guardrails with different thicknesses, and does not have the function of shielding and protecting and has poor protection effect.

Therefore, the invention is necessary to provide a road guardrail cleaning machine which is convenient to maintain.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a highway guardrail cleaning machine convenient to maintain to solve the inconvenient highway guardrail that adjusts and be applicable to different thickness of current highway guardrail cleaning machine and wash, do not possess the function and the relatively poor problem of protective effect that shelter from the protection.

A road guardrail cleaning machine convenient to maintain comprises a workbench, a support frame, moving wheels, a support, a water storage tank, a sealing cover, a water pump, a first connecting seat, a rod frame, a second connecting seat, a vertical pipe, a protective cover, a sprinkler head, a connecting hose, an electric hydraulic cylinder, a connecting plate, a processing sheet, an adjusting extension plate frame structure, a protective shell, a rotating motor, a U-shaped steel plate, a rotating bearing, a brush cylinder, an auxiliary shielding plate frame structure, a protective maintenance box structure, a pushing handle and a U-shaped sleeving plate frame, wherein the support frame is welded at four corners of the lower portion of the workbench; the moving wheel is connected to the lower part of the outer side of the support frame; the bracket is welded on the right side of the upper surface of the workbench; the water storage tank is welded at the upper end of the bracket; the sealing cover is in threaded connection with the upper end of the water storage tank; the water pump bolt is arranged on the middle right side of the upper surface of the workbench; the first connecting seat is welded on the left side of the upper surface of the workbench; one end of the rod frame is connected with the first connecting seat through a bolt and a nut, and the other end of the rod frame is connected with the second connecting seat through a bolt and a nut; the second connecting seat is welded in the middle of the right end of the vertical pipe; the protective cover is in threaded connection with the upper end of the vertical pipe; the sprinkler head is in threaded connection with the left end of the vertical pipe; one end of the connecting hose is sleeved on the lower part of the vertical pipe, and the other end of the connecting hose penetrates through the protective maintenance box structure and is sleeved on the left side of the water pump; the electric hydraulic cylinder bolt is arranged on the middle left side of the upper surface of the workbench; the connecting plate is mounted on an output shaft of the electric hydraulic cylinder through a bolt; the processing sheets are respectively welded on the left side and the right side of the lower surface of the connecting plate; the adjusting extension plate frame structure is arranged on the left side of the connecting plate; the protective shells are respectively welded on the left side and the right side of the upper part of the adjusting extension plate frame structure; the rotary motor bolt is arranged on the inner wall of the protective shell; the U-shaped steel plates are respectively welded at the left side and the right side of the lower part of the adjusting extension plate frame structure; the rotary bearings are respectively embedded in the upper part and the lower part of the inner wall of the U-shaped steel plate; the brush barrel is axially connected in the rotating bearing, and the upper end of the brush barrel is connected with a coupling of an output shaft of the rotating motor; the auxiliary shielding plate frame structure is arranged on the left side of the adjusting extension plate frame structure; the protective maintenance box structure is arranged on the outer side of the upper part of the workbench; the push handle is welded at the rear end of the workbench; the U-shaped socket plate frame is welded in the middle of the front end of the workbench; the adjustable extension plate frame structure comprises a first sleeving plate, a first inserting cavity, a first positioning bolt, a second positioning bolt, a first telescopic plate and a second telescopic plate, wherein the first inserting cavity is formed in the first sleeving plate; the first positioning bolt and the second positioning bolt are respectively in threaded connection with the left side and the right side of the upper part of the first sleeving plate; the first expansion plate and the second expansion plate are respectively inserted into the first penetration cavity; the upper ends of the first expansion plate and the second expansion plate are respectively welded with a protective shell, and the lower ends of the first expansion plate and the second expansion plate are respectively welded with a U-shaped steel plate.

Preferably, the auxiliary shielding plate frame structure comprises a second sleeving plate, a second inserting cavity, a fastening bolt, a baffle plate, a first side protection plate and a second side protection plate, wherein the second sleeving plate is inlaid on the upper side inside the baffle plate; the second penetrating cavity is formed in the second sleeving and connecting plate; the fastening bolts are respectively in threaded connection with the right sides of the front side and the rear side of the second sleeving connection plate; the first side guard plate and the second side guard plate are integrally arranged at the front part and the rear part of the right side of the baffle respectively.

Preferably, the protective maintenance box structure comprises a shielding cover, a shielding cavity, a through hole, a sealing door, a PLC (programmable logic controller), a switch, a placing box and a placing cavity, wherein the shielding cover is welded around the upper surface of the workbench; the shielding cavity is arranged in the shielding cover; the through insertion holes are respectively formed in the left side and the right side of the upper side in the shielding cover and the lower part of the front surface; the sealing door hinge is arranged on the right side of the shielding cover; the PLC bolt is arranged on the right side of the sealing door; the switch is embedded on the right surface of the PLC; the placing box is glued on the right side of the inner wall of the shielding cavity; the placing cavity is arranged in the placing box.

Preferably, the lower parts of the first expansion plate and the second expansion plate are respectively provided with a brush barrel, and the inner sides of the first expansion plate and the second expansion plate are arranged on two sides of the first sleeving plate.

Preferably, the first positioning bolt and the second positioning bolt respectively penetrate through the first telescopic plate and are connected with the first telescopic plate and the second telescopic plate.

Preferably, the right side of the second expansion plate is provided with an aluminum alloy vertical plate and is connected with a left bolt and a left nut of the connecting plate.

Preferably, the first expansion plate and the second expansion plate are respectively provided with a through hole inside, and are respectively inserted with an output shaft of the rotating motor and a brush barrel.

Preferably, the baffle is made of a PVC plastic plate and is arranged on the left side of the sprinkler head.

Preferably, the first side guard plate and the second side guard plate are respectively arranged at the front side and the rear side of the brush barrel.

Preferably, two fastening bolts are arranged on the second sleeving plate, and the second inserting cavity is sleeved on the first expansion plate and fixed through the fastening bolts.

Preferably, the shielding cover adopts a stainless steel box and is arranged on the outer sides of the electric hydraulic cylinder, the water storage tank and the water pump.

Preferably, the left side of the sealing door corresponds to the placing box.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, first expansion plate and second expansion plate lower part be provided with a brush section of thick bamboo respectively, first expansion plate and the inboard both sides that set up at first expansion plate, before the use, the interval that stimulates first expansion plate and second expansion plate and can make between a brush section of thick bamboo and the brush section of thick bamboo is in suitable length, and the cover of being convenient for carries out the work of clearance on the guardrail of different widths, and then has increased the effect of clearance.

2. The utility model discloses in, first positioning bolt and second positioning bolt pass first fishplate bar respectively to be connected with first expansion plate and second expansion plate, after the regulation of accomplishing first expansion plate and second expansion plate, can fix through first positioning bolt and second positioning bolt, and be convenient for use.

3. The utility model discloses in, second expansion plate right side be provided with the aluminum alloy riser, and be connected with the left side bolt and nut of connecting plate, and then convenient installation or dismantlement, and be convenient for change and the work of maintenance.

4. The utility model discloses in, first expansion plate and second expansion plate inside seted up the through-hole respectively to peg graft respectively and have a rotating electrical machines's output shaft and a brush section of thick bamboo, be convenient for cooperate a rotating electrical machines and a brush section of thick bamboo to connect, and carry out the work of using.

5. The utility model discloses in, the baffle adopt the PVC plastic slab, the baffle setting in the left side of sprinkler head, at the in-process of spraying water, can shelter from to avoid spun water, reach distance far away, influence the people of walking around the guardrail.

6. The utility model discloses in, first side backplate and second side backplate set up both sides around a brush section of thick bamboo respectively, can shelter from the protection to a brush section of thick bamboo thereupon, and avoid this brush section of thick bamboo of rotatory to make a large amount of water stains position department of splashing easily.

7. The utility model discloses in, the second cover joint plate on fastening bolt be provided with two, the second interlude chamber cup joint on first expansion plate to fix through fastening bolt, be convenient for install or dismantle, also be convenient for adjust and use simultaneously.

8. The utility model discloses in, the housing adopts the stainless steel case to the setting is in the outside of electric hydraulic cylinder, storage water tank and water pump, can be convenient protect, and avoid making electric hydraulic cylinder and water pump receive the damage easily.

9. The utility model discloses in, sealing door left side correspond with placing the box, after opening sealing door, can take thereupon and place the instrument of intracavity to the convenience is maintained electric hydraulic cylinder and water pump, and is convenient for maintain.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the adjustable extension plate frame structure of the present invention.

Fig. 3 is the structural schematic diagram of the auxiliary shielding plate frame structure of the present invention.

Fig. 4 is a schematic structural view of the protective maintenance box structure of the present invention.

Fig. 5 is a schematic structural diagram of the electric appliance wiring of the present invention.

In the figure:

1. a work table; 2. a support frame; 3. a moving wheel; 4. a support; 5. a water storage tank; 6. a sealing cover; 7. a water pump; 8. a first connecting seat; 9. a pole frame; 10. a second connecting seat; 11. a vertical pipe; 12. a protective cover; 13. a sprinkler head; 14. a connecting hose; 15. an electric hydraulic cylinder; 16. a connecting plate; 17. processing the slices; 18. adjusting the structure of the extension plate frame; 181. a first socket plate; 182. a first penetration cavity; 183. a first positioning bolt; 184. a second positioning bolt; 185. a first expansion plate; 186. a second expansion plate; 19. a protective shell; 20. a rotating electric machine; 21. a U-shaped steel plate; 22. a rotating bearing; 23. a brush barrel; 24. an auxiliary shielding plate frame structure; 241. a second socket plate; 242. a second cavity; 243. fastening a bolt; 244. a baffle plate; 245. a first side guard plate; 246. a second side guard plate; 25. a protective maintenance box structure; 251. a shield cover; 252. a shielding cavity; 253. inserting holes; 254. a sealing door; 255. a PLC; 256. a switch; 257. placing the box; 258. a placement chamber; 26. a pushing handle; 27. u type cup joints grillage.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in fig. 1 and 2, a road guardrail cleaning machine convenient for maintenance comprises a workbench 1, a support frame 2, a moving wheel 3, a support 4, a water storage tank 5, a sealing cover 6, a water pump 7, a first connecting seat 8, a rod frame 9, a second connecting seat 10, a vertical pipe 11, a protective cover 12, a sprinkler 13, a connecting hose 14, an electric hydraulic cylinder 15, a connecting plate 16, a processing sheet 17, an adjusting extension plate frame structure 18, a protective shell 19, a rotating motor 20, a U-shaped steel plate 21, a rotating bearing 22, a brush barrel 23, an auxiliary shielding plate frame structure 24, a protective maintenance box structure 25, a pushing handle 26 and a U-shaped sleeving plate frame 27, wherein the support frame 2 is welded at four corners of the lower part of the workbench 1; the moving wheel 3 is connected with the lower part of the outer side of the supporting frame 2 in a shaft way; the bracket 4 is welded on the right side of the upper surface of the workbench 1; the water storage tank 5 is welded at the upper end of the bracket 4; the sealing cover 6 is in threaded connection with the upper end of the water storage tank 5; the water pump 7 is mounted on the middle right side of the upper surface of the workbench 1 through bolts; the first connecting seat 8 is welded on the left side of the upper surface of the workbench 1; one end of the rod frame 9 is connected with the first connecting seat 8 through bolts and nuts, and the other end of the rod frame is connected with the second connecting seat 10 through bolts and nuts; the second connecting seat 10 is welded in the middle of the right end of the vertical pipe 11; the protective cover 12 is in threaded connection with the upper end of the vertical pipe 11; the sprinkler head 13 is connected to the left end of the vertical pipe 11 in a threaded manner; one end of the connecting hose 14 is sleeved on the lower part of the vertical pipe 11, and the other end of the connecting hose passes through the protective maintenance box structure 25 and is sleeved on the left side of the water pump 7; the electric hydraulic cylinder 15 is mounted on the middle left side of the upper surface of the workbench 1 through a bolt; the connecting plate 16 is mounted on an output shaft of the electric hydraulic cylinder 15 through bolts; the processing sheets 17 are respectively welded on the left side and the right side of the lower surface of the connecting plate 16; the adjusting extension plate frame structure 18 is arranged at the left side of the connecting plate 16; the protective shells 19 are respectively welded at the left side and the right side of the upper part of the adjusting extension plate frame structure 18; the rotating motor 20 is mounted on the inner wall of the protective shell 19 through bolts; the U-shaped steel plates 21 are respectively welded at the left side and the right side of the lower part of the adjusting extension plate frame structure 18; the rotary bearings 22 are respectively embedded in the upper part and the lower part of the inner wall of the U-shaped steel plate 21; the brush barrel 23 is coupled in the rotary bearing 22, and the upper end of the brush barrel is coupled with an output shaft of the rotary motor 20; the auxiliary shielding plate frame structure 24 is arranged at the left side of the adjusting extension plate frame structure 18; the protective maintenance box structure 25 is arranged on the outer side of the upper part of the workbench 1; the push handle 26 is welded at the rear end of the workbench 1; the U-shaped sleeve plate frame 27 is welded in the middle of the front end of the workbench 1; the adjustable extension plate frame structure 18 comprises a first sleeving plate 181, a first inserting cavity 182, a first positioning bolt 183, a second positioning bolt 184, a first expansion plate 185 and a second expansion plate 186, wherein the first inserting cavity 182 is formed inside the first sleeving plate 181; the first positioning bolt 183 and the second positioning bolt 184 are respectively in threaded connection with the left side and the right side of the upper part of the first sleeving plate 181; the first expansion plate 185 and the second expansion plate 186 are respectively inserted into the first insertion cavity 182; the upper ends of the first telescopic plate 185 and the second telescopic plate 186 are respectively welded with a protective shell 19, and the lower ends are respectively welded with a U-shaped steel plate 21.

In the above embodiment, as shown in fig. 3, in particular, the auxiliary shutter frame structure 24 includes a second receiving plate 241, a second inserting cavity 242, a fastening bolt 243, a baffle plate 244, a first side guard plate 245 and a second side guard plate 246, wherein the second receiving plate 241 is embedded in the baffle plate 244 on the upper side; the second inserting cavity 242 is formed inside the second sleeving plate 241; the fastening bolts 243 are respectively screwed on the right sides of the front and rear sides of the second sleeving plate 241; the first side guard plate 245 and the second side guard plate 246 are integrally provided at the front and rear portions of the right side of the baffle 244, respectively.

In the above embodiment, as shown in fig. 4, specifically, the protective maintenance box structure 25 includes a shielding cover 251, a shielding cavity 252, a through hole 253, a sealing door 254, a PLC255, a switch 256, a placing box 257 and a placing cavity 258, and the shielding cover 251 is welded around the upper surface of the workbench 1; the shielding cavity 252 is arranged inside the shielding cover 251; the insertion holes 253 are respectively arranged at the left side and the right side of the upper side in the shielding cover 251 and at the lower part of the front surface; the sealing door 254 is hinged on the right side of the shielding cover 251; the PLC255 is installed on the right side of the sealing door 254 through bolts; the switch 256 is embedded on the right surface of the PLC 255; the placing box 257 is glued on the right side of the inner wall of the shielding cavity 252; the placing cavity 258 is opened inside the placing box 257.

In the above embodiment, specifically, the lower portions of the first expansion plate 185 and the second expansion plate 186 are respectively provided with the brush cylinder 23, the inner sides of the first expansion plate 185 and the second expansion plate 186 are arranged at two sides of the first expansion plate 181, before the brush cylinder 23 is used, the distance between the brush cylinder 23 and the brush cylinder 23 can be in a proper length by pulling the first expansion plate 185 and the second expansion plate 186, and the brush cylinder is convenient to be sleeved on guardrails with different widths for cleaning, so that the cleaning effect is increased.

In the above embodiment, specifically, the first positioning bolt 183 and the second positioning bolt 184 respectively penetrate through the first sheathing plate 181 and are connected to the first expansion plate 185 and the second expansion plate 186, and after the first expansion plate 185 and the second expansion plate 186 are adjusted, the first positioning bolt 183 and the second positioning bolt 184 can be fixed, and the use is convenient.

In the above embodiment, specifically, the right side of the second expansion plate 186 is provided with an aluminum alloy vertical plate, and is connected with the left bolt and nut of the connecting plate 16, so that the installation or the disassembly is convenient, and the replacement and maintenance work is convenient.

In the above embodiment, specifically, the first extension plate 185 and the second extension plate 186 are respectively provided with a through hole therein, and are respectively inserted with the output shaft of the rotating motor 20 and the brush cylinder 23, so as to be conveniently connected with the rotating motor 20 and the brush cylinder 23 for use.

In the above embodiment, specifically, the baffle 244 is made of a PVC plastic plate, and the baffle 244 is disposed on the left side of the sprinkler head 13, so that the water can be shielded during the water sprinkling process, and the water can be prevented from reaching a long distance and affecting people walking around the guardrail.

In the above embodiment, specifically, the first side guard plate 245 and the second side guard plate 246 are respectively disposed at the front side and the rear side of the brush barrel 23, so as to shield and protect the brush barrel 23, and prevent a large amount of water stain from being splashed to other positions by the rotating brush barrel 23.

In the above embodiment, specifically, two fastening bolts 243 are arranged on the second socket plate 241, and the second insertion cavity 242 is sleeved on the first expansion plate 185 and fixed by the fastening bolts 243, so that the installation or the disassembly is facilitated, and the adjustment and the use are also facilitated.

In the above embodiment, specifically, the shielding cover 251 adopts a stainless steel box and is arranged outside the electric hydraulic cylinder 15, the water storage tank 5 and the water pump 7, so that the protection can be conveniently performed, and the problem that the electric hydraulic cylinder 15 and the water pump 7 are easily damaged is avoided.

In the above embodiment, specifically, the left side of the sealing door 254 corresponds to the placing box 257, and after the sealing door 254 is opened, the tool in the placing cavity 258 can be taken along with the sealing door 254, and the electric hydraulic cylinder 15 and the water pump 7 are repaired, so that the maintenance is facilitated.

In the above embodiment, the water pump 7 is a 100DF/S-15 water pump.

In the above embodiment, specifically, the electric hydraulic cylinder 15 is a CTY-type electric hydraulic cylinder.

In the above embodiment, the rotating electrical machine 20 is a model ZYT 24.

In the above embodiment, specifically, the PLC255 is a PLC of model FX 2N-48.

In the above embodiment, specifically, the switch 256 is electrically connected to an input terminal of the PLC255, the water pump 7 is electrically connected to an output terminal of the PLC255, the electric hydraulic cylinder 15 is electrically connected to an output terminal of the PLC255, and the rotating electrical machine 20 is electrically connected to an output terminal of the PLC 255.

Principle of operation

The utility model discloses a theory of operation: when the guardrail cleaning device is used, the first expansion plate 185 and the second expansion plate 186 are moved left and right to reach proper positions according to the width of a guardrail, then the first positioning bolt 183 and the second positioning bolt 184 are respectively screwed and fixed, after the fixing is completed, the electric hydraulic cylinder 15 is started and drives the connecting plate 16, the second expansion plate 186, the first expansion plate 185, the U-shaped steel plate 21 and the brush cylinder 23 to rise, then the workbench 1 is moved, the U-shaped steel plate 21 and the brush cylinder 23 are positioned at the upper end of the guardrail, the electric hydraulic cylinder 15 is contracted along with the U-shaped steel plate, the brush cylinder 23 is sleeved on the guardrail, after the initial installation is completed, the rotating motor 20 is started and drives the brush cylinder 23 to rotate, meanwhile, the water pump 7 is started to enter the vertical pipe 11 through the connecting hose 14 and sprayed onto the guardrail from the spray head 13, and finally the push hand 26 to move through the moving wheel 3, so that the guardrail cleaning work can be performed, spun water can shelter from and prevent to spray position department far away through baffle 244, first side backplate 245 and second side backplate 246 in the work, in the use, when needing to cooperate the car to use, overlaps U type socket plate frame 27 at the rear portion of car, then screws up the bolt fastening of U type socket plate frame 27 lower part thereupon and live, can drive workstation 1 through the car like this and remove to the work of supplementary clearance.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. A road guardrail cleaning machine convenient to maintain is characterized by comprising a workbench (1), a support frame (2), a movable wheel (3), a support (4), a water storage tank (5), a sealing cover (6), a water pump (7), a first connecting seat (8), a rod frame (9), a second connecting seat (10), a vertical pipe (11), a protective cover (12), a sprinkler head (13), a connecting hose (14), an electric hydraulic cylinder (15), a connecting plate (16), a processing sheet (17), an adjusting and extending plate frame structure (18), a protective shell (19), a rotating motor (20), a U-shaped steel plate (21), a rotating bearing (22), a brush barrel (23), an auxiliary shielding plate frame structure (24), a protective maintenance box structure (25), a push handle (26) and a U-shaped sleeve plate frame (27), the support frame (2) is welded at four corners of the lower part of the workbench (1); the moving wheel (3) is coupled to the lower part of the outer side of the support frame (2) in a shaft way; the bracket (4) is welded on the right side of the upper surface of the workbench (1); the water storage tank (5) is welded at the upper end of the bracket (4); the sealing cover (6) is in threaded connection with the upper end of the water storage tank (5); the water pump (7) is arranged on the middle right side of the upper surface of the workbench (1) through bolts; the first connecting seat (8) is welded on the left side of the upper surface of the workbench (1); one end of the rod frame (9) is connected with the first connecting seat (8) through a bolt and a nut, and the other end of the rod frame is connected with the second connecting seat (10) through a bolt and a nut; the second connecting seat (10) is welded in the middle of the right end of the vertical pipe (11); the protective cover (12) is in threaded connection with the upper end of the vertical pipe (11); the sprinkler head (13) is in threaded connection with the left end of the vertical pipe (11); one end of the connecting hose (14) is sleeved at the lower part of the vertical pipe (11), and the other end of the connecting hose passes through the protective maintenance box structure (25) and is sleeved at the left side of the water pump (7); the electric hydraulic cylinder (15) is arranged on the middle left side of the upper surface of the workbench (1) through a bolt; the connecting plate (16) is mounted on an output shaft of the electric hydraulic cylinder (15) through bolts; the processing sheets (17) are respectively welded on the left side and the right side of the lower surface of the connecting plate (16); the adjusting extension plate frame structure (18) is arranged on the left side of the connecting plate (16); the protective shells (19) are respectively welded on the left side and the right side of the upper part of the adjusting extension plate frame structure (18); the rotating motor (20) is mounted on the inner wall of the protective shell (19) through bolts; the U-shaped steel plates (21) are respectively welded at the left side and the right side of the lower part of the adjusting extension plate frame structure (18); the rotary bearings (22) are respectively embedded in the upper part and the lower part of the inner wall of the U-shaped steel plate (21); the brush barrel (23) is coupled in the rotary bearing (22), and the upper end of the brush barrel is coupled with an output shaft coupling of the rotary motor (20); the auxiliary shielding plate frame structure (24) is arranged on the left side of the adjusting extension plate frame structure (18); the protective maintenance box structure (25) is arranged on the outer side of the upper part of the workbench (1); the push handle (26) is welded at the rear end of the workbench (1); the U-shaped socket plate frame (27) is welded in the middle of the front end of the workbench (1); the adjustable extension plate frame structure (18) comprises a first sleeving plate (181), a first inserting cavity (182), a first positioning bolt (183), a second positioning bolt (184), a first expansion plate (185) and a second expansion plate (186), wherein the first inserting cavity (182) is formed in the first sleeving plate (181); the first positioning bolt (183) and the second positioning bolt (184) are respectively in threaded connection with the left side and the right side of the upper part of the first sleeving plate (181); the first expansion plate (185) and the second expansion plate (186) are respectively inserted into the first inserting cavity (182); the upper ends of the first expansion plate (185) and the second expansion plate (186) are respectively welded with a protective shell (19), and the lower ends of the first expansion plate and the second expansion plate are respectively welded with a U-shaped steel plate (21).

2. The road guardrail cleaning machine convenient for maintenance of claim 1, wherein the auxiliary shield plate frame structure (24) comprises a second sheathing plate (241), a second insertion cavity (242), a fastening bolt (243), a baffle plate (244), a first side guard plate (245) and a second side guard plate (246), the second sheathing plate (241) is embedded at the upper side of the inside of the baffle plate (244); the second inserting cavity (242) is formed in the second sleeving plate (241); the fastening bolts (243) are respectively in threaded connection with the right sides of the front side and the rear side of the second sleeving plate (241); the first side guard plate (245) and the second side guard plate (246) are respectively and integrally arranged at the front part and the rear part of the right side of the baffle plate (244).

3. The road guardrail cleaning machine convenient for maintenance of claim 1, characterized in that the protective maintenance box structure (25) comprises a shielding cover (251), a shielding cavity (252), a through hole (253), a sealing door (254), a PLC (255), a switch (256), a placing box (257) and a placing cavity (258), wherein the shielding cover (251) is welded around the upper surface of the workbench (1); the shielding cavity (252) is arranged inside the shielding cover (251); the through holes (253) are respectively arranged at the left side and the right side of the upper side in the shielding cover (251) and at the lower part of the front surface; the sealing door (254) is hinged on the right side of the shielding cover (251); the PLC (255) is installed on the right side of the sealing door (254) through bolts; the switch (256) is embedded on the right surface of the PLC (255); the placing box (257) is glued on the right side of the inner wall of the shielding cavity (252); the placing cavity (258) is arranged inside the placing box (257).

4. The road guardrail cleaning machine convenient for maintenance as claimed in claim 1, wherein the lower parts of the first expansion plate (185) and the second expansion plate (186) are respectively provided with a brush barrel (23), and the inner sides of the first expansion plate (185) and the second expansion plate (186) are arranged at two sides of the first sleeving plate (181).

5. The road guardrail cleaning machine convenient for maintenance of claim 1, wherein the first positioning bolt (183) and the second positioning bolt (184) respectively pass through the first sheathing plate (181) and are connected with the first stretching plate (185) and the second stretching plate (186).

6. The road guardrail cleaning machine convenient for maintenance of claim 1, characterized in that the right side of the second expansion plate (186) is provided with an aluminum alloy vertical plate and is connected with a left bolt and a left nut of the connecting plate (16).

7. The road guardrail cleaning machine convenient for maintenance of claim 1, wherein the first expansion plate (185) and the second expansion plate (186) are respectively provided with through holes inside and are respectively inserted with an output shaft of the rotating motor (20) and the brush barrel (23).

8. The maintenance-facilitating road guardrail cleaning machine of claim 2, wherein the barrier (244) is made of a PVC plastic plate, and the barrier (244) is disposed at a left side of the sprinkler head (13).

9. The maintenance-convenient road guardrail cleaning machine of claim 2, wherein the first side guard plate (245) and the second side guard plate (246) are respectively arranged at the front and rear sides of the brush cylinder (23).

10. The road guardrail cleaning machine convenient for maintenance as claimed in claim 3, wherein the shielding cover (251) is a stainless steel box and is arranged outside the electric hydraulic cylinder (15), the water storage tank (5) and the water pump (7).