CN216615629U - Guardrail washs car round brush anticollision warning and dodges device - Google Patents

Abstract

The utility model discloses a guardrail cleaning vehicle rolling brush anti-collision alarm avoiding device, which comprises an outer rolling brush assembly, an outer rolling brush fixing pipe, an inner rolling brush assembly, an inner rolling brush fixing pipe, a left limit nut, a guide rail upper wing plate, a guide rail lower wing plate, a left approach switch, a left compression spring, a right approach switch, a right compression spring, a right limit nut and an anti-collision avoidance resetting mechanism, wherein the anti-collision avoidance resetting mechanism is arranged at the outer side of the inner rolling brush fixing pipe, so that the inner rolling brush and the outer rolling brush can automatically adjust and compensate the deviated distance relative to a vehicle in the case of deviation of the driving direction, the left approach switch and the right approach switch are arranged in the mechanism and can be connected with a controller in a guardrail cleaning vehicle, and a driver can be prompted to deviate from the driving direction through the approach switch and the controller, and the anti-collision alarm avoiding device of the rolling brush of the guardrail cleaning vehicle can effectively protect the collision deformation and the abrasion of a rolling brush driving shaft when the vehicle deviates from the driving direction, the service life of the rolling brush is prolonged.

Description

Guardrail washs car round brush anticollision warning and dodges device

Technical Field

The utility model relates to the relevant field of municipal sanitation equipment, in particular to an anti-collision alarm avoiding device for a rolling brush of a guardrail cleaning vehicle.

Background

For driving safety, the relevant road in the present domestic city and other relevant places all are equipped with isolation barrier, the road is the place that produces the dust easily, long-pending long-term, isolation barrier surface can be amassed dust, it is clean and tidy to have influenced the city appearance, this just needs regularly to clear up the guardrail, in the past, isolation barrier is by artifical clearance, the operating efficiency is low, isolation barrier generally sets up in road central authorities in addition, artifical washing guardrail has great safe risk, therefore the ready-made main equipment for urban road isolation barrier of guardrail cleaning special operation car.

The existing guardrail cleaning device is moved and used, and the rolling brush is easy to collide with the isolation guardrail, so that the guardrail cleaning device is damaged.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the defects, the utility model provides an anti-collision alarm avoidance device for a rolling brush of a guardrail cleaning vehicle.

The utility model is realized in such a way that an anti-collision alarm avoiding device for a guardrail cleaning vehicle rolling brush is constructed, the device comprises an outer rolling brush assembly, the outer rolling brush assembly is hinged to the left end part of an outer rolling brush fixing pipe, an inner rolling brush assembly is oppositely arranged on the inner side of the outer rolling brush assembly, the inner rolling brush assembly is fixed on the left lower part of the inner rolling brush fixing pipe, the outer rolling brush fixing pipe is nested in the inner rolling brush fixing pipe, a guide rail upper wing plate and a guide rail lower wing plate are respectively arranged on the front outer side surface and the rear outer side surface of the inner rolling brush fixing pipe, mounting holes of a left proximity switch and a right proximity switch are respectively arranged on the left side and the right side of the guide rail upper wing plate from the end part, the left proximity switch and the right proximity switch are mounted in the mounting holes, a left spring support and a right spring support are respectively arranged between the left end and the right end of the guide rail upper wing plate and the guide rail lower wing plate, a left spring support and a right spring support are respectively arranged between the guide rail upper wing plate, the guide rail lower wing plate, a left spring support and a right end of the guide rail lower wing plate, Left spring support and right spring support with interior round brush fixed tube forms wholly, left compression spring left end nestification with the right flank contact on the outer face of cylinder of left spring support right side boss, right compression spring right side nestification with the left side contact on the outer face of cylinder of right spring support left side boss, and left spring support center is equipped with the guiding hole of installation left spring guide bar seat, and right spring support center is equipped with the guiding hole of installation right spring guide bar seat, the guardrail outside is arranged in to the inside round brush of outer round brush assembly and interior round brush assembly.

Preferably, the left end of the left spring guide rod seat is a stud, the middle of the left spring guide rod seat is a polished rod, the right end of the left spring guide rod seat is a support plate, the left side face of the support plate is provided with an annular groove, the right end face of the left compression spring is supported at the bottom of the annular groove of the support plate of the left spring guide rod seat, the polished rod in the middle of the left spring guide rod seat is supported in a central guide hole of the left spring support, and a left limit nut is installed on threads at the left end of the left spring guide rod seat.

Preferably, the right spring guide rod seat structure is the same as the left spring guide rod seat structure, the two groups of structures are arranged oppositely, the left end face of the right compression spring is supported at the bottom of the annular groove of the right spring guide rod seat support plate, a polish rod in the middle of the right spring guide rod seat is supported in a central guide hole of the right spring support, a right limiting nut is installed on the right end thread of the right spring guide rod seat, and the left end face of the right limiting nut is in contact with the right side face of the right spring support.

Preferably, the front side and the rear side of the inner rolling brush fixing pipe are connected with an anti-collision avoidance resetting mechanism.

Preferably, the collision avoidance resetting mechanism comprises a supporting vertical pipe, a lower supporting plate, a supporting articulated shaft, an upper supporting plate, a bolt assembly, a guide wheel supporting seat, a locking nut, a guide wheel shaft, a tapered roller bearing, a guide wheel, a screw articulated shaft, an articulated screw and an adjusting nut, wherein the lower part of the lower supporting plate is connected with the top of the supporting vertical pipe to form a whole, the left lower part of the upper supporting plate is articulated with the left upper part of the lower supporting plate through the supporting articulated shaft, the guide wheel supporting seat is connected and fixed on the front side and the rear side of the inner rolling brush fixing pipe through the bolt assembly and the upper supporting plate, the tapered roller bearing is embedded in the guide wheel, the inner ring of the tapered roller bearing is supported on the guide wheel shaft, three groups of guide wheels on the front side and the rear side are fixed on the front and rear supporting seats through the guide wheel shaft and the locking nut, the upper and lower side surfaces of the guide rails on the front side and the rear side of the inner rolling brush fixing pipe are in contact with the upper and lower side surfaces of the lower wing plates of the guide rails, and support the fixed pipe of interior round brush, left side spring guide rod seat support plate right flank and left side the guide pulley contact, right side spring guide rod seat support plate left flank and right side the guide pulley contact, both sides around, the guide pulley supporting seat left end is equipped with the screw rod articulated shaft respectively, both sides are equipped with waist type hole respectively under the screw rod articulated shaft corresponds around the bottom suspension fagging left end, articulated screw rod upper portion is connected with the screw rod articulated shaft is articulated through the hinge cover, and the lower part runs through in the waist type hole of bottom suspension fagging, adjusts the left and right inclination of the fixed pipe of fixed interior round brush through adjusting nut from top to bottom.

Preferably, the left proximity switch and the right proximity switch are in butt joint with a controller of the external guardrail cleaning vehicle, and the controller is in butt joint with a loudspeaker inside the external guardrail cleaning vehicle.

Preferably, the outer rolling brush fixing pipe is controlled by a hydraulic cylinder to enable the inner rolling brush fixing pipe to stretch and retract so as to adjust the distance between the inner rolling brush and the outer rolling brush.

Preferably, the right end face of the left limiting nut is in contact with the left side face of the left spring support, and the pretightening force of the left compression spring can be adjusted by adjusting the left limiting nut.

Preferably, the pretightening force of the right compression spring can be adjusted by adjusting the right limiting nut.

Preferably, the guide wheel is of a train wheel structure, and the wheel rim of the guide wheel is respectively contacted with the front side surfaces of the upper wing plate of the front guide rail and the lower wing plate of the guide rail, and the rear side surfaces of the upper wing plate of the rear guide rail and the lower wing plate of the guide rail.

The utility model has the following advantages: the utility model provides a collision avoidance alarm device for a rolling brush of a guardrail cleaning vehicle, which is improved by the following steps compared with the same type of equipment:

according to the anti-collision alarm avoiding device for the rolling brush of the guardrail cleaning vehicle, the anti-collision avoiding reset mechanism is arranged on the outer side of the inner rolling brush fixing pipe, so that the rolling brush can automatically adjust and compensate the deviation distance relative to a vehicle in the process of cleaning the inner rolling brush and the outer rolling brush on the outer side of the guardrail under the condition of deviation of the running direction, the left proximity switch and the right proximity switch are arranged in the mechanism and can be connected with the controller in the guardrail cleaning vehicle, a driver can be prompted to run in the deviation direction through the proximity switches and the controller, and the anti-collision alarm avoiding device for the rolling brush of the guardrail cleaning vehicle can effectively protect the collision deformation and the brush wear of the driving shaft of the rolling brush when the vehicle runs in the deviation direction, so that the service life of the rolling brush is prolonged.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of an A-A collision avoidance repositioning mechanism of the present invention;

FIG. 3 is a schematic cross-sectional view of a collision avoidance repositioning mechanism B-B of the present invention;

FIG. 4 is a schematic view showing a rightward deviation state of the cleaning cart according to the present invention;

figure 5 is a schematic view of the utility model of a guardrail cleaning vehicle deviating leftwards.

Wherein: an outer rolling brush assembly-1, an outer rolling brush fixing pipe-2, an inner rolling brush assembly-3, an inner rolling brush fixing pipe-4, a left limit nut-5, a left spring support-6, a guide rail upper wing plate-7, a guide rail lower wing plate-8, a left proximity switch-9, a left compression spring-10, a left spring guide rod seat-11, a right proximity switch-12, a right compression spring-13, a right spring support-14, a right spring guide rod seat-15, a right limit nut-16, an anti-collision avoidance resetting mechanism-17, a support vertical pipe-171, a lower support plate-172, a support articulated shaft-173, an upper support plate-174, a bolt assembly-175, a guide wheel support seat-176, a locking nut-177, a guide wheel shaft-178, a tapered roller bearing-179, a tapered roller bearing, Guide wheel-1710, screw rod articulated shaft-1711, articulated screw rod-1712, adjusting nut-1713 and guardrail-a.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 4 and 5, the utility model provides an anti-collision alarm avoiding device for a guardrail cleaning vehicle roller brush by improvement, which comprises an outer roller brush assembly 1, wherein the outer roller brush assembly 1 is hinged at the left end part of an outer roller brush fixing tube 2, an inner roller brush assembly 3 is oppositely arranged at the inner side of the outer roller brush assembly 1, the inner roller brush assembly 3 is fixed at the left lower part of the inner roller brush fixing tube 4, the outer roller brush fixing tube 2 is nested at the inner side of the inner roller brush fixing tube 4, a guide rail upper wing plate 7 and a guide rail lower wing plate 8 are respectively arranged at the front and rear outer side surfaces of the inner roller brush fixing tube 4, mounting holes of a left approach switch 9 and a right approach switch 12 are respectively arranged at the positions of the left side and the right side of the guide rail upper wing plate 7 from the end part, the left approach switch 9 and the right approach switch 12 are arranged in the mounting holes, a left spring support 6 and a right spring support 14 are respectively arranged between the left end and the right end of the guide rail upper wing plate 7 and the guide rail lower wing plate 8, the guide rail upper wing plate 7, the guide rail lower wing plate 8, the left spring support 6 and the right spring support 14 are integrated with the inner rolling brush fixing tube 4, the left end of a left compression spring 10 is nested on the outer cylindrical surface of a boss on the right side of the left spring support 6 to be contacted with the right side surface, the right side of a right compression spring 13 is nested on the outer cylindrical surface of a boss on the left side of the right spring support 14 to be contacted with the left side surface, the center of the left spring support 6 is provided with a guide hole for installing a left spring guide rod seat 11, the center of the right spring support 14 is provided with a guide hole for installing a right spring guide rod seat 15, and the inner rolling brushes of the outer rolling brush assembly 1 and the inner rolling brush assembly 3 are arranged on the outer side of the guardrail a; the left end of the left spring guide rod seat 11 is a stud, the middle part of the left spring guide rod seat is a polished rod, the right end of the left spring guide rod seat is a support plate, the left side surface of the support plate is provided with an annular groove, the right end surface of a left compression spring 10 is supported at the bottom of the annular groove of the support plate of the left spring guide rod seat 11, the polished rod in the middle of the left spring guide rod seat 11 is supported in a central guide hole of a left spring support 6, and a left limit nut 5 is installed on the left end thread of the left spring guide rod seat 11; the structure of the right spring guide rod seat 15 is the same as that of the left spring guide rod seat 11, and two groups of structures are oppositely arranged, the left end face of a right compression spring 13 is supported at the bottom of an annular groove of a support plate of the right spring guide rod seat 15, a polish rod in the middle of the right spring guide rod seat 15 is supported in a central guide hole of a right spring support 14, a right limiting nut 16 is installed on the right end thread of the right spring guide rod seat 15, and the left end face of the right limiting nut 16 is in contact with the right side face of the right spring support 14; the front side and the rear side of the inner rolling brush fixing tube 4 are connected with an anti-collision avoidance reset mechanism 17, the left proximity switch 9 and the right proximity switch 12 are in butt joint with an external guardrail cleaning vehicle controller, and the controller is in butt joint with an internal loudspeaker of the external guardrail cleaning vehicle, so that rapid alarm is facilitated; the outer rolling brush fixing pipe 2 is controlled by a hydraulic cylinder to enable the inner rolling brush fixing pipe 4 to stretch and retract so as to adjust the distance between the inner rolling brush and the outer rolling brush, so that the rolling brushes can move left and right stably; the right end face of the left limiting nut 5 is contacted with the left side face of the left spring support 6; the pretightening force of the left compression spring 10 can be adjusted by adjusting the left limiting nut 5; the left end surface of the right limiting nut 16 is contacted with the right side surface of the right spring support 14. The pretension of the right compression spring 13 can be adjusted by adjusting the right stop nut 16.

Referring to fig. 2 and 3, the utility model provides an anti-collision alarm avoidance device for a rolling brush of a guardrail cleaning vehicle by improvement, wherein an anti-collision avoidance resetting mechanism 17 comprises a support vertical pipe 171, a lower support plate 172, a support hinge shaft 173, an upper support plate 174, a bolt assembly 175, a guide wheel support seat 176, a lock nut 177, a guide wheel shaft 178, a tapered roller bearing 179, a guide wheel 1710, a screw hinge shaft 1711, a hinge screw 1712 and an adjusting nut 1713, the lower part of the lower support plate 172 is connected with the top of the support vertical pipe 171 to form a whole, the left lower part of the upper support plate 174 is hinged with the left upper part of the lower support plate 172 through the support hinge shaft 173, the guide wheel support seat 176 is connected and fixed on the front and rear sides of an inner rolling brush fixing pipe 4 through the bolt assembly 175, the tapered roller bearing 179 is embedded in the guide wheel 1710, the inner ring of the tapered roller bearing 179 is supported on the guide wheel shaft 178, three groups of guide wheels on the front and rear sides are fixed on the front and rear guide wheel support seat 176 through the guide wheel shaft 178 and the lock nut 177, the lower sides of upper guide rail wing plates 7 on the front side and the rear side of the front and the rear three groups of guide wheels and the inner rolling brush fixing pipe 4 are contacted with the upper side of a lower guide rail wing plate 8 and support the inner rolling brush fixing pipe 4, the right side of a support plate of a left spring guide rod seat 11 is contacted with a left guide wheel 1710, the left side of a support plate of a right spring guide rod seat 15 is contacted with the right guide wheel 1710, the left ends of the support plates 176 on the front side and the rear side are respectively provided with a screw rod articulated shaft 1711, the positions of the front side and the rear side of the left end of a lower support plate 172, which correspond to the screw rod articulated shaft 1711, right lower parts of the front side and the rear side of the articulated screw rod 1712 are respectively provided with waist-shaped holes, the lower parts of the articulated screw rod 1711 penetrate through the waist-shaped holes of the lower support plate 172, and the left and right inclination angles of the inner rolling brush fixing pipe 4 are adjusted and fixed through an up and down adjusting nut 1713; the guide wheel 1710 is a train wheel structure, and the rims of the guide wheel 1710 are respectively contacted with the front side surfaces of the front guide rail upper wing plate 7 and the guide rail lower wing plate 8, and the rear guide rail upper wing plate 7 and the rear side surface of the guide rail lower wing plate 8.

The utility model provides an anti-collision alarm avoiding device for a rolling brush of a guardrail cleaning vehicle through improvement, which has the following working principle;

firstly, when a guardrail cleaning vehicle deviates to the right relative to an isolation guardrail, as shown in fig. 4, under the action of the driving resistance of a rolling brush, an inner rolling brush fixing tube 4 overcomes the resistance of a right compression spring 13 and moves horizontally to the left along a guide wheel 1710, when a left end supporting seat of a right spring guide rod seat 15 moves below a right proximity switch 12, the right proximity switch 12 transmits a sensing signal to a controller, the signal is transmitted to a loudspeaker to send out right deviation through signal conversion of the controller, a voice alarm prompt of returning to the left is given, in the process of returning to the right to a driving route by a driver, the inner rolling brush fixing tube 4 follows the guide wheel under the thrust of the right compression spring 13 and moves back to the right along the guide wheel 1710, and an inner rolling brush and an outer rolling brush return to the right relative to the isolation guardrail;

second, when the relative isolation guardrail of guardrail washing car leaned on left, as shown in fig. 5, under the effect of round brush driving resistance, interior round brush fixed tube 4 overcome left compression spring 10 resistance and move along guide pulley 1710 flat right, when left spring guide bar seat 11 right-hand member supporting seat removed left proximity switch 9 below, left proximity switch 9 was with inductive signal transmission to controller, through controller signal conversion, convey to the speaker and send "left deviation you", please return right "audio alert and remind. During the process of rightwards returning to the driving route of a driver, the inner rolling brush fixing tube 4 moves leftwards to the middle along the guide wheel 26 under the thrust of the left compression spring 10, and the inner rolling brush and the outer rolling brush return to the right relative to the isolation guardrail.

The utility model provides a guardrail cleaning vehicle roller brush anti-collision alarm avoiding device through improvement, an anti-collision avoidance resetting mechanism 17 is arranged on the outer side of an inner roller brush fixing pipe 4, so that the roller brush can automatically adjust and compensate the deviating distance relative to a vehicle in the process of cleaning the inner roller brush and the outer roller brush on the outer side of the guardrail under the condition of deviating the driving direction, a left proximity switch and a right proximity switch are arranged in the mechanism and can be connected with a controller in the guardrail cleaning vehicle, so that a driver can be prompted to drive in the deviating direction through the proximity switches and the controller, and the guardrail cleaning vehicle roller brush anti-collision alarm avoiding device can effectively protect the collision deformation of a roller brush driving shaft and the abrasion of brush hairs when the vehicle drives in the deviating direction, and prolong the service life of the roller brush.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above, and the standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, the specific connection mode of each part adopts the conventional means of bolt, rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a guardrail washs car round brush anticollision warning and dodges device which characterized in that: the structure of the device comprises an outer rolling brush assembly (1), wherein the outer rolling brush assembly (1) is hinged to the left end part of an outer rolling brush fixing pipe (2), the inner side of the outer rolling brush assembly (1) is relatively provided with an inner rolling brush assembly (3), the inner rolling brush assembly (3) is fixed to the left lower part of an inner rolling brush fixing pipe (4), the outer rolling brush fixing pipe (2) is nested in the inner rolling brush fixing pipe (4), the front outer side and the rear outer side of the inner rolling brush fixing pipe (4) are respectively provided with an upper guide rail wing plate (7) and a lower guide rail wing plate (8), the left side and the right side of the upper guide wing plate (7) are respectively provided with mounting holes of a left proximity switch (9) and a right proximity switch (12) from the end parts, the left proximity switch (9) and the right proximity switch (12) are mounted in the mounting holes, a left spring support (6) and a right spring support (14) are respectively arranged between the left end part and the right end part of the upper guide wing plate (7) and the lower guide rail wing plate (8), pterygoid lamina (7), guide rail lower wing board (8), left spring support (6) and right spring support (14) and interior round brush fixed tube (4) form wholly, and left compression spring (10) left end nestification is with the right flank contact on the outer face of cylinder of left spring support (6) right side boss, and right compression spring (13) right side nestification is with the left side face contact on the outer face of cylinder of right spring support (14) left side boss, and left spring support (6) center is equipped with the guiding hole of installation left spring guide bar seat (11), and right spring support (14) center is equipped with the guiding hole of installation right spring guide bar seat (15), guardrail (a) outside is arranged in to outer round brush assembly (1) and the inside round brush of interior round brush assembly (3).

2. The guardrail cleaning vehicle roller brush anti-collision alarm avoiding device as claimed in claim 1, wherein: the left end of the left spring guide rod seat (11) is a stud, the middle of the left spring guide rod seat is a polished rod, the right end of the left spring guide rod seat is a support plate, the left side face of the support plate is provided with an annular groove, the right end face of the left compression spring (10) is supported at the bottom of the annular groove of the support plate of the left spring guide rod seat (11), the polished rod in the middle of the left spring guide rod seat (11) is supported in a central guide hole of the left spring support seat (6), and a left limit nut (5) is installed on threads at the left end of the left spring guide rod seat (11).

3. The guardrail cleaning vehicle roller brush anti-collision alarm avoiding device as claimed in claim 2, wherein: the right spring guide rod seat (15) is structurally the same as the left spring guide rod seat (11), two groups of structures are arranged oppositely, the left end face of the right compression spring (13) is supported at the bottom of an annular groove of a support plate of the right spring guide rod seat (15), a polish rod in the middle of the right spring guide rod seat (15) is supported in a central guide hole of the right spring support seat (14), a right limit nut (16) is installed on the right end thread of the right spring guide rod seat (15), and the left end face of the right limit nut (16) is in contact with the right side face of the right spring support seat (14).

4. The rolling brush anti-collision alarm avoiding device of the guardrail cleaning vehicle as claimed in claim 1 or 2, wherein: the front side and the rear side of the inner rolling brush fixing pipe (4) are connected with an anti-collision avoidance resetting mechanism (17).

5. The guardrail cleaning vehicle roller brush anti-collision alarm avoiding device as claimed in claim 4, wherein: the collision avoidance resetting mechanism (17) comprises a supporting vertical pipe (171), a lower supporting plate (172), a supporting hinged shaft (173), an upper supporting plate (174), a bolt component (175), a guide wheel supporting seat (176), a locking nut (177), a guide wheel shaft (178), a tapered roller bearing (179), a guide wheel (1710), a screw hinged shaft (1711), a hinged screw (1712) and an adjusting nut (1713), wherein the lower part of the lower supporting plate (172) is connected with the top of the supporting vertical pipe (171) to form a whole, the left lower part of the upper supporting plate (174) is hinged with the left upper part of the lower supporting plate (172) through the supporting hinged shaft (173), the guide wheel supporting seat (176) is connected and fixed on the front side and the rear side of an inner rolling brush fixing pipe (4) through the bolt component (175) and the upper supporting plate (174), a tapered roller bearing (179) is embedded in the guide wheel (1710), and the inner ring of the tapered roller bearing (179) is supported on the guide wheel shaft (178), the guide wheels of the front and rear sides are respectively fixed on a front and rear guide wheel supporting seat (176) through a guide wheel shaft (178) and a locking nut (177), the guide wheels of the front and rear groups are in contact with the lower side surface of an upper wing plate (7) of the guide rail at the front and rear sides of an inner rolling brush fixing pipe (4) and support the inner rolling brush fixing pipe (4), the right side surface of a supporting plate of a left spring guide rod seat (11) is in contact with the guide wheel (1710) at the left side, the left side surface of a supporting plate of a right spring guide rod seat (15) is in contact with the guide wheel (1710) at the right side, the left ends of the guide wheel supporting seat (176) at the front and rear sides are respectively provided with a screw rod articulated shaft (1711), the front and rear sides of the left end of a lower supporting plate (172) are respectively provided with a kidney-shaped hole at the position under the position corresponding to the screw rod articulated shaft (1711), and the upper part of the articulated screw rod (1712) is articulated with the screw rod articulated shaft (1711) through an articulated sleeve, the lower part of the lower support plate (172) penetrates through a waist-shaped hole, and the left and right inclination angles of the inner rolling brush fixing pipe (4) are adjusted and fixed through an up-down adjusting nut (1713).

6. The guardrail cleaning vehicle roller brush anti-collision alarm avoiding device as claimed in claim 1, wherein: the left proximity switch (9) and the right proximity switch (12) are in butt joint with a controller of the external guardrail cleaning vehicle, and the controller is in butt joint with a loudspeaker in the external guardrail cleaning vehicle.

7. The guardrail cleaning vehicle roller brush anti-collision alarm avoiding device as claimed in claim 1, wherein: the outer rolling brush fixing pipe (2) is controlled by a hydraulic cylinder to enable the inner rolling brush fixing pipe (4) to stretch and retract so as to adjust the distance between the inner rolling brush and the outer rolling brush.

8. The guardrail cleaning vehicle roller brush anti-collision alarm avoiding device as claimed in claim 2, wherein: the right end face of the left limiting nut (5) is in contact with the left side face of the left spring support (6), and the pretightening force of the left compression spring (10) can be adjusted by adjusting the left limiting nut (5).

9. The guardrail cleaning vehicle roller brush anti-collision alarm avoiding device as claimed in claim 3, wherein: the pretightening force of the right compression spring (13) can be adjusted by adjusting the right limiting nut (16).

10. The guardrail cleaning vehicle roller brush anti-collision alarm avoiding device as claimed in claim 5, wherein: the guide wheel (1710) is of a train wheel structure, and the wheel rim of the guide wheel (1710) is respectively contacted with the front side surface of the front guide rail upper wing plate (7) and the guide rail lower wing plate (8) and the rear side surface of the rear guide rail upper wing plate (7) and the guide rail lower wing plate (8).

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