CN209508893U

CN209508893U - A kind of highway guardrail cleaning equipment

Info

Publication number: CN209508893U
Application number: CN201920146672.1U
Authority: CN
Inventors: 袁捍卫; 何宁波; 金景顺; 夏会钦
Original assignee: Lankao Denon Engineering Machinery Co Ltd
Current assignee: Lankao Denon Engineering Machinery Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2019-10-18
Anticipated expiration: 2029-01-29

Abstract

The utility model is specifically related to a kind of highway guardrail cleaning equipment, including first support plate, the outer wall level of first support is equipped with support fixed link, the both ends of support fixed link are symmetrically set with fixed rod set, fixed rod set is weldingly fixed on the outer wall of the first support plate, fixed sleeve-board is set in support fixed link, the outside upright of fixed sleeve-board is equipped with sliding fixed plate, the outside upright for sliding fixed plate is equipped with cantilever support beam, cantilever support beam passes through the first pin shaft group and sliding fixed plate articulated connection, cantilever extensible canopy is set at the top of cantilever support beam, cantilever extensible canopy is equipped with first hydraulic cylinder, the top of first hydraulic cylinder is equipped with breast board cleaning device.The utility model provides one kind convenient for adjusting, and easy to operate, cleaning guardrail is clean, the high-efficient highway guardrail cleaning equipment of cleaning guardrail.

Description

A kind of highway guardrail cleaning equipment

Technical field

The utility model relates to highway guardrail cleaning technique fields, and in particular to a kind of highway guardrail cleaning equipment.

Background technique

Guardrail is mainly used in the occasions such as house, highway, shopping centre, public place the guarantor to personal safety and installations and facilities Shield and protection, the guardrail used on a highway be play the role of to ride safety of automobile it is very important, in order to mention The vehicle back and forth travelled of waking up pays attention to driving path and driving safety, and guardrail should be kept completely, so that participant position is just In observing farther away guardrail, but guardrail is in use for some time, and surface can be accompanying by dust, especially on guardrail After guard rail lamp is adhered to by dust, to bring certain hidden danger to driving, therefore the dust on periodic cleaning guardrail surface is needed, so It afterwards, is a breakneck thing using artificial cleaning guardrail in high speed.

Currently, washing guardrail in high-speed supernatant generally uses existing guard rail cleaning machine, but not due to guardrail height everywhere Same and distance apart from road is different, often influences the effect of guard rail cleaning machine cleaning guardrail, guardrail is caused not wash clean clearly； And in order to clean up, generally require the cleaning height of the manual de-regulation guard rail cleaning machine of cleaning personnel and the spacing with guardrail From to increase the work difficulty of cleaning personnel, and influencing the normally travel of high speed, or even danger can be caused to staff

Therefore, one kind is produced convenient for adjusting, easy to operate, use is safe, and cleaning guardrail is clean, and cleaning guardrail is high-efficient, It is satisfied with the highway guardrail cleaning equipment of cleaning personnel needs, there are extensive market prospects.

Summary of the invention

In view of the deficiencies of the prior art, the utility model provides one kind convenient for adjusting, and easy to operate, use is safe, cleaning Guardrail is clean, and cleaning guardrail is high-efficient, the highway guardrail cleaning equipment of cleaning personnel needs is satisfied with, for overcoming the prior art Middle defect.

The technical solution adopted in the utility model are as follows: a kind of road guard plate cleaning equipment, including first support Plate, the outer wall level of the first support are equipped with support fixed link, the both ends of fixed link are supported symmetrically to be set with fixed rod set, fixed link Set is weldingly fixed on the outer wall of the first support plate, supports and is set with fixed sleeve-board in fixed link, and the outside upright of fixed sleeve-board is set There is sliding fixed plate, the outside upright for sliding fixed plate is equipped with cantilever support beam, and cantilever support beam passes through the first pin shaft group and cunning Dynamic fixed plate is articulated and connected, and cantilever extensible canopy is set at the top of cantilever support beam, and cantilever extensible canopy is equipped with first hydraulic cylinder, The top of first hydraulic cylinder is equipped with breast board cleaning device.

The breast board cleaning device includes roller protection board, and one end of first hydraulic cylinder passes through the second pin shaft group and roller The outer wall of protection board is articulated and connected, and the top of roller protection board is equipped with spring cylinder, and the bottom end of roller protection board is equipped with the second support Plate, one end of spring cylinder and the top of roller protection board are welded and fixed, and the other end of spring cylinder is equipped with roller fixed plate, and roller is solid Hydraulic motor is equipped with above fixed board, for the output end of hydraulic motor towards roller fixed plate, hydraulic motor is welded on roller fixed plate Top surface, the output end of hydraulic motor is equipped with drum rotation axis, and the top of drum rotation axis and the extension end of hydraulic motor are welded Fixed, the bottom end of drum rotation axis, which is located at, to be had in the second support plate, and the bottom end of drum rotation axis connects with there is the second support plate activity It connects, cleaning roller is set on drum rotation axis.

The spring cylinder uses two, and two spring cylinder bilateral symmetries are located at roller fixed plate two sides, two spring cylinders The equal roller fixed plate in top be welded and fixed, the roller protection board use symmetrical arc-shaped plate structure, roller protect The inner wall of backplate is equipped with water spray support tube, and cleaning roller is located on the outside of water spray support tube, if water spray support tube is evenly arranged with Dry water spray halter, towards cleaning roller, several water spray halter bilateral symmetries are welded at the water spray end of several water spray halters It sprays water on support tube, water spray support tube is connected with water spray halter.

The corresponding drum rotation axis of roller fixed plate offers through-hole, which stays on drum rotation axis, should The aperture of through-hole is matched with the diameter of drum rotation axis, and drum rotation axis is flexibly connected with roller fixed plate, and described has The corresponding drum rotation axis of two support plates offers movement limiting groove, and movement limiting groove is past using corresponding limitation drum rotation axis straight line The rectangle groove-like structure moved again, the diameter of the groove width and drum rotation axis that move limiting groove match, the side of drum rotation axis Wall is flexibly connected with movement limiting groove, and the bottom surface of drum rotation axis is flexibly connected with the bottom surface of movement limiting groove.

First support plate uses H font plate structure, and the first support plate is by two symmetrical vertical plates and a water Plate composition, the quantity of the support fixed link use two, two support fixed links first support plates symmetrical above and below of being located at It is horizontal between two support fixed links to be equipped with second hydraulic cylinder on the lateral surface of one of vertical plate, the one of second hydraulic cylinder End is hinged on the side wall of sliding fixed plate by the first body cradle, and the other end of second hydraulic cylinder is hinged by the second body cradle On the side wall of one of vertical plate of the first support plate, the top surface of the level board of first support plate is equipped with tune vertically Fixed link is saved, fixed link is adjusted and is welded in the first support plate, adjust and be set with adjusting set at the top of fixed link, adjust fixed link Diameter and the internal diameter of adjusting set match, adjust fixed link and be flexibly connected with adjusting set, the sidewall horizontal of adjusting set is equipped with rolling Ballscrew, ball-screw include screw rod, nut, steel ball, pre- tabletting, reverser, dust excluder, one end of ball-screw and adjusting set Top be welded to connect, the other end of ball-screw is logical to be weldingly fixed on cantilever support beam.

First body cradle is combined by connecting shaft and two level boards symmetrical above and below, the connecting shaft of the first body cradle Top be welded on the reverser bottom end of ball-screw.

The cantilever support beam uses L-shaped tubular structure, and cantilever extensible canopy is hanged using L-shaped tubular structure is inverted The vertical pipe of arm supporting beam is sleeved in the vertical pipe of cantilever extensible canopy, the internal diameter of cantilever support beam and the outer diameter of cantilever extensible canopy It matches, cantilever extensible canopy is flexibly connected with cantilever support beam, the horizontal tube of cantilever support beam and the horizontal tube of cantilever extensible canopy Between be equipped with third hydraulic cylinder vertically, the bottom end of third hydraulic cylinder is weldingly fixed on the horizontal tube of cantilever support beam, third liquid The top of cylinder pressure is weldingly fixed on the horizontal tube of cantilever extensible canopy, and the other end of first hydraulic cylinder is welded on cantilever extensible canopy In horizontal ends.

The corresponding drum rotation axis of cleaning roller offers through-hole, which is sleeved on drum rotation axis, this is logical The aperture in hole is matched with the diameter of drum rotation axis, and cleaning roller is fixedly connected by key and keyway in drum rotation axis On, roller is cleaned between roller fixed plate and the second support plate, and the cleaning roller uses cylindrical barrel structure, clearly The outer wall for washing roller is equipped with hairbrush layer, and hairbrush layer is bonded in cleaning roller, and the brush length of hairbrush layer is 15mm to 30mm.

The utility model beneficial effect is: firstly, a kind of road guard plate cleaning equipment of the utility model, including described First support plate, the outer wall level of the first support are equipped with support fixed link, the both ends of fixed link are supported symmetrically to be set with fixed link Set, fixed rod set are weldingly fixed on the outer wall of the first support plate, support and are set with fixed sleeve-board in fixed link, outside fixed sleeve-board Side is equipped with sliding fixed plate vertically, and the outside upright for sliding fixed plate is equipped with cantilever support beam, and cantilever support beam passes through the first pin Axis group and sliding fixed plate articulated connection, are set with cantilever extensible canopy at the top of cantilever support beam, and cantilever extensible canopy is equipped with the The top of one hydraulic cylinder, first hydraulic cylinder is equipped with breast board cleaning device, realizes guardrail by cleaning device and is cleaned, and cleans Device is equipped with spring cylinder, thus buffered cleaning device and when guardrail contacts between active force, prevent damage guardrail, and mention The efficiency of height cleaning guardrail；Secondly, this is practical equipped with first hydraulic cylinder, second hydraulic cylinder and third hydraulic cylinder, pass through control Making three hydraulic cylinders realizes the up and down motion of cleaning device, side-to-side movement and elastic, so that the utility model It is suitble to the guardrail of cleaning Suresh Kumar；Again, this is practical equipped with ball-screw, realizes cleaning dress by controlling ball-screw That sets swings；Finally, the utility model is equipped with water spray support tube and several water spray halters, pass through support tube of spraying water And several water spray halters spray water to cleaning roller, to further increase cleaning guardrail working efficiency, have fine Social and economic benefit, be the product easy to spread used.

Detailed description of the invention

Fig. 1 is the entirety perspective view of the utility model.

Fig. 2 is the schematic perspective view for not installing cleaning roller of the utility model.

Fig. 3 is the overlooking structure diagram for not installing cleaning roller of the utility model.

Fig. 4 is the schematic view of the front view for not installing cleaning roller of the utility model.

Fig. 5 is the left view structural representation for not installing cleaning roller of the utility model.

Specific embodiment

As shown in Fig. 1,2,3,4,5, a kind of road guard plate cleaning equipment, including first support plate 1, first The outer wall level of support is equipped with support fixed link 2, and the both ends of support fixed link 2 are symmetrically set with fixed rod set 3, and fixed rod set 3 is welded The outer wall for being fixed on the first support plate 1 is connect, supports and is set with fixed sleeve-board 5 in fixed link 2, the outside upright of fixed sleeve-board 5 is set There is sliding fixed plate 4, the outside upright of sliding fixed plate 4 is equipped with cantilever support beam 7, and cantilever support beam 7 passes through the first pin shaft group 6 It is articulated and connected with sliding fixed plate 4, the top of cantilever support beam 7 is set with cantilever extensible canopy 8, and cantilever extensible canopy 8 is equipped with the The top of one hydraulic cylinder 9, first hydraulic cylinder 9 is equipped with breast board cleaning device.

The breast board cleaning device includes roller protection board 10, and one end of first hydraulic cylinder 9 passes through the second pin shaft group 11 It is articulated and connected with the outer wall of roller protection board 10, the top of roller protection board 10 is equipped with spring cylinder 12, the bottom of roller protection board 10 End is equipped with the second support plate 15, and one end of spring cylinder 12 and the top of roller protection board 10 be welded and fixed, spring cylinder 12 it is another End is equipped with roller fixed plate 13, is equipped with hydraulic motor 14 above roller fixed plate 13, and the output end of hydraulic motor 14 is towards roller Fixed plate 13, hydraulic motor 14 are welded on the top surface of roller fixed plate 13, and the output end of hydraulic motor 14 is equipped with drum rotation axis 16, the top of drum rotation axis 16 and the extension end of hydraulic motor 14 are welded and fixed, and the bottom end of drum rotation axis 16, which is located at, the In two support plates 15, the bottom end of drum rotation axis 16 is flexibly connected with there is the second support plate 15, is set on drum rotation axis 16 Clean roller 17.The spring cylinder 12 uses two, and two 12 bilateral symmetries of spring cylinder are located at 13 two sides of roller fixed plate, and two The equal roller fixed plate 13 in the top of a spring cylinder 12 is welded and fixed, and the roller protection board 10 uses symmetrical arc-shaped plate Shape structure, the inner wall of roller protection board 10 are equipped with water spray support tube 18, and cleaning roller 17 is located at 18 outside of water spray support tube, spray Water support tube 18 is evenly arranged with several water spray halters 19, and the water spray end direction of several water spray halters 19 cleans roller 17, Several water spray 19 bilateral symmetries of halter are welded on water spray support tube 18, and water spray support tube 18 is connected with water spray halter 19. The corresponding drum rotation axis 16 of roller fixed plate 13 offers through-hole, which stays on drum rotation axis 16, this is logical The aperture in hole is matched with the diameter of drum rotation axis 16, and drum rotation axis 16 is flexibly connected with roller fixed plate 13, described There is the corresponding drum rotation axis 16 of the second support plate 15 to offer movement limiting groove 20, movement limiting groove 20 is using corresponding limitation roller The rectangle groove-like structure of 16 straight reciprocating motion of rotation axis moves the groove width and the diameter phase of drum rotation axis 16 of limiting groove 20 Match, the side wall of drum rotation axis 16 is flexibly connected with movement limiting groove 20, the bottom surface of drum rotation axis 16 and movement limiting groove 20 Bottom surface be flexibly connected.

First support plate 1 uses H font plate structure, and the first support plate 1 is by two symmetrical vertical plates and one The quantity of level board composition, the support fixed link 2 uses two, and two support fixed links 2 are symmetrical above and below to be located at the first support It is horizontal between two support fixed links 2 to be equipped with second hydraulic cylinder 21, the second liquid on the lateral surface of one of vertical plate of plate 1 One end of cylinder pressure 21 is hinged on the side wall of sliding fixed plate 4 by the first body cradle 22, and the other end of second hydraulic cylinder 21 is logical It crosses on the side wall for one of vertical plate that the second body cradle 23 is hinged on the first support plate 1, the water of first support plate 1 The top surface of plate is equipped with vertically adjusts fixed link 24, adjusts fixed link 24 and is welded in the first support plate 1, adjusts fixed link 24 Top is set with adjusting set 26, and the internal diameter of the diameter and adjusting set 26 that adjust fixed link 24 matches, and adjusts fixed link 24 and adjusts Section set 26 is flexibly connected, and the sidewall horizontal of adjusting set 26 is equipped with ball-screw 25, ball-screw 25 include screw rod, nut, steel ball, The top of pre- tabletting, reverser, dust excluder, one end of ball-screw 25 and adjusting set 26 is welded to connect, ball-screw 25 it is another One end is logical to be weldingly fixed on cantilever support beam 7.First body cradle 22 and the second body cradle 23 is by connecting shaft and two A level board symmetrical above and below is combined into, and the connecting shaft and second hydraulic cylinder 21 of the first body cradle 22 are welded to connect, the first body cradle 22 level board is connect with the sidewall weld of sliding fixed plate 21, and the connecting shaft and second hydraulic cylinder 21 of the second body cradle 23 are welded Connection, the level board of the second body cradle 23 are connect with the sidewall weld of one of vertical plate of the first support plate 1, and first is hinged The top of the connecting shaft of frame 22 is welded on the reverser bottom end of ball-screw 25.

The cantilever support beam 7 uses L-shaped tubular structure, and cantilever extensible canopy 8, which uses, is inverted L-shaped tubular structure, The vertical pipe of cantilever support beam 7 is sleeved in the vertical pipe of cantilever extensible canopy 8, the internal diameter and cantilever extensible canopy 8 of cantilever support beam 7 Outer diameter match, cantilever extensible canopy 8 is flexibly connected with cantilever support beam 7, the horizontal tube of cantilever support beam 7 and cantilever extensible canopy Third hydraulic cylinder 27 is equipped between 8 horizontal tube vertically, the bottom end of third hydraulic cylinder 27 is weldingly fixed on the water of cantilever support beam 7 On flat pipe, the top of third hydraulic cylinder 27 is weldingly fixed on the horizontal tube of cantilever extensible canopy 8, the other end of first hydraulic cylinder 9 It is welded in the horizontal ends of cantilever extensible canopy 8.The corresponding drum rotation axis 16 of cleaning roller 17 offers through-hole, the through-hole It is sleeved on drum rotation axis 16, the aperture of the through-hole is matched with the diameter of drum rotation axis 16, and cleaning roller 17 passes through key Be fixedly connected on drum rotation axis 16 with keyway, cleaning roller 17 be located at roller fixed plate 13 and the second support plate it Between, the cleaning roller 17 uses cylindrical barrel structure, and the outer wall of cleaning roller 17 is equipped with hairbrush layer 28, and hairbrush layer 28 is viscous It connects in cleaning roller 17, the brush length of hairbrush layer 28 is 15mm to 30mm.

This product is mounted on the front-axle beam of corresponding cleaning water storage work car, the front-axle beam of cleaning water storage work car is located at the Between the level board bottom surface of one support plate 1 and two symmetrical vertical plate medial surfaces of the first support plate 1, pass through several standing screws First support plate 1 is fixed on cleaning water storage work car by group；Support tube 18 of spraying water passes through connecting tube and cleaning water storage work car On water tank be connected, be correspondingly provided with solenoid valve controller in connecting tube, the control switch of solenoid valve controller is located at cleaning On the workbench of water storage work car；The extension and contraction control switch of first hydraulic cylinder 9, second hydraulic cylinder 21 and third hydraulic cylinder 27 is equal On the workbench of cleaning water storage work car；The rolling switch of ball-screw 25 is located at the workbench of cleaning water storage work car On；And hydraulic motor 14 and cleaning water storage work car power supply are electrically connected, the control switch of hydraulic motor 14 is located at cleaning storage On the workbench of water work car.

This product application method is as follows: as shown in Fig. 1,2,3,4,5, firstly, cleaning personnel will adjust three hydraulic cylinders Three extension and contraction control switches will clean roller 17 and adjust in the position for being suitble to cleaning；Then, the control for adjusting hydraulic motor 14 is opened It closes, so that drum rotation axis 16 is rotated, and cleaning roller 17 is driven to be moved；Subsequently, when being cleaned When guardrail, the control switch of solenoid valve controller will be opened, so that water spray halter 19 sprays water, to cleaning roller 17 and shield Column carries out spraying-rinsing, and is switched according to three extension and contraction controls of three hydraulic cylinders of the position control of guardrail, to accordingly adjust Clean the position of roller 17；Finally, cleaning personnel close all kinds of corresponding switches on workbench after the completion of cleaning railing.

The utility model provides one kind convenient for adjusting, and easy to operate, use is safe, and cleaning guardrail is clean, and cleaning guardrail is imitated Rate is high, is satisfied with the highway guardrail cleaning equipment of cleaning personnel needs, has extensive market prospects.

Claims

1. a kind of highway guardrail cleaning equipment, it is characterised in that: including the first support plate (1), the outer wall of the first support plate is horizontal Equipped with support fixed link (2), supports and be symmetrically set with fixed rod set (3) on the both ends of fixed link (2), fixed rod set (3) welding It is fixed on the outer wall of the first support plate (1), is set with fixed sleeve-board (5) in support fixed link (2), the outside of fixed sleeve-board (5) Vertical to be equipped with sliding fixed plate (4), the outside upright of sliding fixed plate (4) is equipped with cantilever support beam (7), cantilever support beam (7) By the first pin shaft group (6) and sliding fixed plate (4) articulated connection, cantilever support beam is set with cantilever extensible canopy at the top of (7) (8), cantilever extensible canopy (8) is equipped with first hydraulic cylinder (9), and one end of first hydraulic cylinder (9) is equipped with breast board cleaning device.

2. highway guardrail cleaning equipment according to claim 1, it is characterised in that: the breast board cleaning device includes rolling One end of cylinder protection board (10), first hydraulic cylinder (9) is hinged by the second pin shaft group (11) and the outer wall of roller protection board (10) The top of connection, roller protection board (10) is equipped with spring cylinder (12), and the bottom end of roller protection board (10) is equipped with the second support plate (15), one end of spring cylinder (12) and the top of roller protection board (10) are welded and fixed, and the other end of spring cylinder (12) is equipped with rolling Cylinder fixed plate (13) is equipped with hydraulic motor (14) above roller fixed plate (13), and the output end of hydraulic motor (14) is towards roller Fixed plate (13), hydraulic motor (14) are welded on the top surface of roller fixed plate (13), and the output end of hydraulic motor (14) is equipped with rolling Cylinder rotation axis (16), the top of drum rotation axis (16) and the extension end of hydraulic motor (14) are welded and fixed, drum rotation axis (16) bottom end, which is located at, to be had on the second support plate (15), and the bottom end of drum rotation axis (16) connects with there is the second support plate (15) activity It connects, cleaning roller (17) is set on drum rotation axis (16).

3. highway guardrail cleaning equipment according to claim 2, it is characterised in that: the spring cylinder (12) uses two A, two spring cylinders (12) are symmetrically located at roller fixed plate (13) two sides, and the equal roller in top of two spring cylinders (12) is solid Fixed board (13) is welded and fixed, and the roller protection board (10) uses symmetrical arc-shaped plate structure, roller protection board (10) inner wall is equipped with water spray support tube (18), and cleaning roller (17) is located on the outside of water spray support tube (18), support tube of spraying water (18) several water sprays halter (19) are evenly arranged with, the water spray end direction of several water sprays halter (19) cleans roller (17), Several water sprays halter (19) are symmetrically welded on water spray support tube (18), water spray support tube (18) and water spray halter (19) It is connected.

4. highway guardrail cleaning equipment according to claim 2, it is characterised in that: the roller fixed plate (13) is corresponding Drum rotation axis (16) offers through-hole, which stays on drum rotation axis (16), and the aperture of the through-hole and roller rotate The diameter of axis (16) matches, and drum rotation axis (16) is flexibly connected with roller fixed plate (13), and described has the second support plate (15) corresponding drum rotation axis (16) offers movement limiting groove (20), and movement limiting groove (20) is using corresponding limitation roller rotation The rectangle groove-like structure of axis (16) straight reciprocating motion moves the groove width and the diameter phase of drum rotation axis (16) of limiting groove (20) The side wall of matching, drum rotation axis (16) is flexibly connected with movement limiting groove (20), the bottom surface of drum rotation axis (16) and movement The bottom surface of limiting groove (20) is flexibly connected.

5. highway guardrail cleaning equipment according to claim 1, it is characterised in that: first support plate (1) uses H Font plate structure, the first support plate (1) are made of two symmetrical vertical plates and a level board, the support fixed link (2) Quantity use two, two support fixed link (2) one of vertical plates symmetrical above and below for being located at the first support plate (1) it is outer Horizontal between two support fixed links (2) to be equipped with second hydraulic cylinder (21) on side, one end of second hydraulic cylinder (21) passes through the One body cradle (22) is hinged on the side wall of sliding fixed plate (4), and the other end of second hydraulic cylinder (21) passes through the second body cradle (23) it is hinged on the side wall of one of vertical plate of the first support plate (1), the level board of first support plate (1) Top surface is equipped with vertically adjusts fixed link (24), adjusts fixed link (24) and is welded on the first support plate (1), adjusts fixed link (24) Top be set with adjusting set (26), the diameter and the internal diameter of adjusting set (26) for adjusting fixed link (24) match, and adjust fixation Bar (24) is flexibly connected with adjusting set (26), and the sidewall horizontal of adjusting set (26) is equipped with ball-screw (25), ball-screw (25) Including screw rod, nut, steel ball, pre- tabletting, reverser, dust excluder, one end of ball-screw (25) and the top of adjusting set (26) It is welded to connect, the other end of ball-screw (25) is logical to be weldingly fixed on cantilever support beam (7).

6. highway guardrail cleaning equipment according to claim 5, it is characterised in that: first body cradle (22) is by even Spindle and two level boards symmetrical above and below are combined into, and the top of the connecting shaft of the first body cradle (22) is welded on ball-screw (25) Reverser bottom end on.

7. highway guardrail cleaning equipment according to claim 1, it is characterised in that: the cantilever support beam (7) uses L Font tubular structure, using L-shaped tubular structure is inverted, the vertical pipe of cantilever support beam (7) is sleeved on outstanding cantilever extensible canopy (8) In the vertical pipe of arm extensible canopy (8), the internal diameter of cantilever support beam (7) is matched with the outer diameter of cantilever extensible canopy (8), and cantilever is flexible Beam (8) is flexibly connected with cantilever support beam (7), between the horizontal tube of cantilever support beam (7) and the horizontal tube of cantilever extensible canopy (8) Third hydraulic cylinder (27) are equipped with vertically, the bottom end of third hydraulic cylinder (27) is weldingly fixed on the horizontal tube of cantilever support beam (7), The top of third hydraulic cylinder (27) is weldingly fixed on the horizontal tube of cantilever extensible canopy (8), the other end weldering of first hydraulic cylinder (9) It connects in the horizontal ends of cantilever extensible canopy (8).

8. highway guardrail cleaning equipment according to claim 2, it is characterised in that: the cleaning roller (17) accordingly rolls Cylinder rotation axis (16) offers through-hole, which is sleeved on drum rotation axis (16), the aperture of the through-hole and drum rotation axis (16) diameter matches, and cleaning roller (17) is fixedly connected on drum rotation axis (16) by key and keyway, cleans Roller (17) is located between roller fixed plate (13) and the second support plate, and the cleaning roller (17) uses cylindrical barrel knot The outer wall of structure, cleaning roller (17) is equipped with hairbrush layer (28), and hairbrush layer (28) is bonded in cleaning roller (17), hairbrush set, hair The brush length of brush layer (28) is 15mm to 30mm.