阅读说明：本技术 护栏自动清洁装置及护栏清洁方法 (Automatic guardrail cleaning device and guardrail cleaning method ) 是由 田贵祥 于 2021-11-02 设计创作，主要内容包括：本发明公开了一种护栏自动清洁装置及护栏清洁方法,包括机架和安装在机架上的护栏传送带,在护栏传送带左右两侧均设有一安装架,在安装架上固定安装有至少一除锈排刷和除尘辊刷；所述除锈排刷包括横撑和置于横撑两侧,并分别与对应侧安装架固定连接的机座,在横撑的长度方向上间隔设有多个清洁头；所述横撑通过一转轴固定在机座上,所述横撑与转轴固定连接,并通过转轴固定在机座上,所述转轴能够在机座高度方向上移动并旋转后定位；所述清洁头下端的硬质刷毛与除尘辊刷上的柔性毛刷与传送带之间形成护栏清洁通道。(The invention discloses an automatic guardrail cleaning device and a guardrail cleaning method, which comprise a rack and a guardrail conveying belt arranged on the rack, wherein mounting frames are arranged on the left side and the right side of the guardrail conveying belt, and at least one rust removing row brush and a dust removing roller brush are fixedly arranged on the mounting frames; the rust removal row brush comprises a cross brace and a machine base which is arranged on two sides of the cross brace and is fixedly connected with the corresponding side mounting frames respectively, and a plurality of cleaning heads are arranged at intervals in the length direction of the cross brace; the cross brace is fixed on the base through a rotating shaft, the cross brace is fixedly connected with the rotating shaft and fixed on the base through the rotating shaft, and the rotating shaft can move in the height direction of the base and is positioned after rotating; and a guardrail cleaning channel is formed between the hard bristles at the lower end of the cleaning head and the flexible brush on the dust removal roller brush and the conveyor belt.)

1. The automatic guardrail cleaning device comprises a rack and a guardrail conveying belt arranged on the rack, wherein the guardrail conveying belt can continuously convey guardrails along the conveying direction of the conveying belt under the driving of a driving assembly; the device is characterized in that the middle part of the guardrail conveying belt and the left side and the right side of the guardrail conveying belt are respectively provided with a mounting rack, and at least one rust removing row brush and a dust removing roller brush which are arranged along the width direction of the conveying belt are fixedly mounted on the mounting rack; the rust removal row brush comprises a cross brace and a machine base which is arranged on two sides of the cross brace and is fixedly connected with a mounting rack on the corresponding side respectively, a plurality of cleaning heads are arranged at intervals in the length direction of the cross brace, each cleaning head comprises a brush base fixed on the cross brace and a brush rod which is provided with a brush disc at the bottom and can rotate under the drive of a row brush driving device; the brush rod is vertically arranged, and hard bristles are fixed on each brush disc and vertically arranged; the cross brace is fixed on the base through a rotating shaft, the cross brace is fixedly connected with the rotating shaft and fixed on the base through the rotating shaft, and the rotating shaft can move in the height direction of the base and is positioned after rotating; the dust removal roller brush comprises a roller shaft capable of rotating under the driving of a power mechanism and flexible brushes uniformly distributed along the axial direction of the roller shaft; and a guardrail cleaning channel is formed between the hard bristles at the lower end of the cleaning head and the flexible brush on the dust removal roller brush and the conveyor belt.

2. The automatic guardrail cleaning device of claim 1, wherein the guardrail conveyor belt is annular and comprises a plurality of movable plates arranged at intervals, and annular chains fixedly connected with the movable plates are fixedly arranged on two sides of the guardrail conveyor belt; a belt wheel mechanism is arranged on the inner side of the guardrail conveying belt and at the front end and the rear end of the guardrail conveying belt, the belt wheel mechanism comprises two second driven wheels which are respectively matched with the annular chains on the left side and the right side, and a connecting shaft is connected between the two second driven belt wheels; the driving assembly comprises a first motor, a main driving wheel is sleeved on an output shaft of the first motor, a first driven belt wheel is further sleeved and fixed outside a connecting shaft of one belt wheel mechanism, and the main driving wheel is connected with the first driven belt wheel through a chain.

3. The automatic guardrail cleaning device and the guardrail cleaning method according to claim 1 or 2, wherein the machine base comprises mounting seats symmetrically arranged at the left side and the right side of the cross brace, the mounting seats are frame-shaped, two guide rods and positioning rods are arranged in a hollow part formed by each mounting seat, and the guide rods and the positioning rods are vertically arranged; the guide rod is sleeved with a sliding block, and the sliding block can slide along the height direction of the guide rod and is positioned; the left end and the right end of the rotating shaft are respectively connected with the two sliding blocks and can rotate under the action of external force; all be equipped with the screw thread on every locating lever, all be equipped with one on every locating lever, the upper and lower both ends of slider with locating lever screw-thread fit's set nut.

4. The automatic guardrail cleaning device and the guardrail cleaning method according to claim 3, wherein an assembly hole is formed in the middle of each sliding block, a bearing is arranged in each assembly hole, and the left end and the right end of the rotating shaft are respectively sleeved in the bearings on the corresponding sides and extend out of the sliding blocks; the two ends of the rotating shaft are respectively connected with a hand wheel and a rotation stopping disc, and a plurality of threaded through holes are formed in the rotation stopping disc.

5. The automatic guardrail cleaning device and the guardrail cleaning method according to claim 4, wherein a positioning plate is further arranged between the rotation stopping disc and the sliding block on the corresponding side, at least one strip-shaped hole which is vertically arranged and corresponds to the installation seat on the corresponding side is respectively arranged on the left side and the right side of the positioning plate, a positioning hole corresponding to the strip-shaped hole is arranged at the side end of the installation seat, and the positioning plate is fixed with the positioning hole at the side end of the installation seat through threaded fit after passing through the strip-shaped hole through a puller bolt.

6. The automatic guardrail cleaning device and the guardrail cleaning method according to the claims 1, 2, 4 or 5, wherein the brush holders are cubic and closely attached to the cross-brace, each brush holder is provided with a fixing hole perpendicular to the cross-brace, and the cleaning head is fixedly connected with the cross-brace after passing through the fixing holes and the cross-brace through a plurality of bolts.

7. The automatic guardrail cleaning device and the guardrail cleaning method according to claim 6, wherein the lower end of the brush rod of each cleaning head is provided with a threaded blind hole, the upper end of each brush disc is provided with a connecting rod with threads at the upper end, and the brush discs and the brush rods are connected after being in threaded fit through the connecting rods and the threaded blind holes.

8. The automatic guardrail cleaning device and the guardrail cleaning method according to the claims 1, 2, 4 or 5, wherein the cross brace is U-shaped and comprises an upper cross plate, a lower cross plate and a middle vertical plate, a motor mounting seat is fixed on the upper cross plate of the cross brace, a driving motor is arranged on the motor mounting seat, a driving shaft of the driving motor penetrates through the motor mounting seat, and a driving wheel is fixed on the driving shaft; the upper end of each cleaning head is sleeved with two belt wheels which are arranged up and down, the driving wheels correspond to the cleaning heads positioned at the end parts and are connected with the belt wheels on the cleaning heads through belts, and each two adjacent cleaning heads are connected through a belt.

9. A guardrail cleaning method is characterized by comprising the following steps: s1, preparing the automatic guardrail cleaning device as claimed in claim 1, 2, 4, 5 or 6; s2, adjusting the angle and the installation height of the rust removing row brush according to the width and the thickness of the guardrail, rotating the rotating shaft when adjusting the angle of the rust removing row brush, rotating the rust removing row brush along with the rotating shaft, and fixing the rotating shaft after rotating to a required angle; when the installation height of the rust removal row brush is adjusted, the rotating shaft is horizontally moved, and after the rotating shaft is moved to a proper position, the rotating shaft is fixed; and S3, flatly placing the guardrail to be cleaned on the conveyor belt, starting the first motor in the driving assembly, the driving device of the rust removing row brush and the power mechanism of the roller brush, finishing rust removal and dust removal after the placed guardrail runs to the guardrail cleaning channel, and stacking the guardrail to be cleaned beside the braking cleaning device under the conveying of the conveyor belt.

10. The guardrail cleaning method of claim 9, wherein the rust removing row brushes and the roller brushes are respectively positioned in front of and behind the guardrail advancing direction, and the two rust removing row brushes are respectively inclined towards the guardrail starting position and the roller brush direction.

Technical Field

The invention relates to a cleaning device, in particular to an automatic guardrail cleaning device and a guardrail cleaning method.

Background

At present, more temporary guard railings need to be adopted in building construction, the situation of rusting can occur after the guard railings are used, and more sludge is attached to the guard railings due to the fact that the construction environment is severe, and the next use is affected. Therefore, such guardrails need to be cleaned before they can be reused. Aiming at the temporary protective guard, most of cleaning is manually carried out, the working efficiency is lower, and the cleaning is not comprehensive enough. In view of the above circumstances, the applicant considered to design a guardrail cleaning device capable of removing rust and dredging on a guardrail.

At present, a cleaning device capable of removing rust and cleaning a guardrail simultaneously does not exist. And application number is 2018103994055 a guardrail cleaning device and guardrail cleaning machine's the cleaning device that chinese patent is disclosed, including frame and a plurality of roller cleaning brush, the roller cleaning brush distributes in the guardrail both sides that install, sets up about being, is equipped with the displacement drive mechanism that can adjust both sides roller cleaning brush interval on the frame, and during the use, it is rotatory through drive arrangement drive roller cleaning brush, and in rotatory in-process, the brush hair on the roller cleaning brush is exerted pressure to the guardrail, cleans. This cleaning device mainly installs at the car front end for the guardrail of accomplishing is installed to the highway side cleans, and clear guardrail mainly is vertical setting, and is fixed subaerial, can not satisfy the cleanness of removing rust and removing dust to job site or mill's prefabricated guardrail. Based on the problems, the applicant considers that the guardrail is horizontally placed by the conveyor belt and then conveyed to a cleaning position, and then the guardrail is cleaned in all directions by the rust removing and dust removing mechanism arranged above the conveyor belt.

When the guardrail cleaning device is used, the guardrail cleaning device is installed on a vehicle body, the guardrail is cleaned after the two sides of the guardrail are arranged through the hairbrush, and when the guardrail cleaning device is used for cleaning, the guardrail is in a vertical shape and is fixed on the ground, and other guardrails can be cleaned only by continuously advancing the vehicle. For construction sites or factories, however, guardrails tend to rust and cover dust due to long-term standing before they are installed, and the existing cleaning devices apparently cannot meet this requirement. Based on this, the applicant wanted to design a cleaning device that can make the guardrail constantly carry under the clean structure to carry out the rust cleaning of continuation and remove dust to the guardrail.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a cleaning device and a cleaning method which have convenient operation and high automation degree and can remove rust and dust of a guardrail.

In order to solve the technical problems, the invention adopts the following technical scheme:

the automatic guardrail cleaning device comprises a rack and a guardrail conveying belt arranged on the rack, wherein the guardrail conveying belt can continuously convey guardrails along the conveying direction of the conveying belt under the driving of a driving assembly; the device is characterized in that the middle part of the guardrail conveying belt and the left side and the right side of the guardrail conveying belt are respectively provided with a mounting rack, and at least one rust removing row brush and a dust removing roller brush which are arranged along the width direction of the guardrail conveying belt are fixedly mounted on the mounting rack; the rust removal row brush comprises a cross brace and a machine base which is arranged on two sides of the cross brace and is fixedly connected with a mounting rack on the corresponding side respectively, a plurality of cleaning heads are arranged at intervals in the length direction of the cross brace, each cleaning head comprises a brush base fixed on the cross brace and a brush rod which is provided with a brush disc at the bottom and can rotate under the drive of a row brush driving device; the brush rod is vertically arranged, and hard bristles are fixed on each brush disc and vertically arranged; the cross brace is fixed on the base through a rotating shaft, the cross brace is fixedly connected with the rotating shaft and fixed on the base through the rotating shaft, and the rotating shaft can move in the height direction of the base and is positioned after rotating; the dust removal roller brush comprises a roller shaft capable of rotating under the driving of a power mechanism and flexible brushes uniformly distributed along the axial direction of the roller shaft; and a guardrail cleaning channel is formed between the hard bristles at the lower end of the cleaning head and the flexible brush on the dust removal roller brush and the conveyor belt. Therefore, when the guardrail cleaning device is used, the guardrail to be cleaned is conveyed to the lower part of the derusting row brush and the lower part of the dust removing roller brush through the conveying belt, derusting and dedusting are carried out through the bristles of the derusting row brush and the dust removing roller brush in sequence, cleaning is finished until the guardrail completely passes through the cleaning device, and the guardrail is conveyed to the outside of the cleaning device through the conveying belt and stacked. The device degree of automation is high, and compact structure can be applicable to the guardrail level and place the back clean. The row brush that sets up has a plurality of cleaning heads, sets up along conveyer belt width direction interval, and in the use, the angle of cleaning head is adjusted to the mode of directly rotatable pivot, and then adjusts the angle of brush hair, realizes the clear purpose of slant, and cleaning performance is better. The pivot can rotate and fix a position, and after the pivot location, also can realize the location with its fixed stull, can effectively ensure that the cleaning head is fixed after adjusting certain angle. The pivot can fix a position after horizontal migration in the frame height direction to can realize the regulation of stull mounting height, further realize the brush hair apart from the interval of treating the cleaning guardrail.

Furthermore, the guardrail conveying belt is annular and comprises a plurality of movable plates arranged at intervals, and annular chains fixedly connected with the movable plates are fixedly arranged on two sides of the guardrail conveying belt; a belt wheel mechanism is arranged on the inner side of the guardrail conveying belt and at the front end and the rear end of the guardrail conveying belt, the belt wheel mechanism comprises two second driven wheels which are respectively matched with the annular chains on the left side and the right side, and a connecting shaft is connected between the two second driven belt wheels; the driving assembly comprises a first motor, a main driving wheel is sleeved on an output shaft of the first motor, a first driven belt wheel is further sleeved and fixed outside a connecting shaft of one belt wheel mechanism, and the main driving wheel is connected with the first driven belt wheel through a chain. Therefore, when the conveying belt runs, the main driving wheel is driven to rotate through the first motor, the first driven belt wheel and all the second driving belt wheels are sequentially driven to rotate, and after the second driving belt wheels rotate, the conveying belt rotates together with the second driven belt wheels.

Furthermore, the machine base comprises mounting seats symmetrically arranged on the left side and the right side of the cross brace, the mounting seats are in a frame shape, two guide rods and positioning rods are arranged in a hollow part formed by each mounting seat, and the guide rods and the positioning rods are vertically arranged; the guide rod is sleeved with a sliding block, and the sliding block can slide along the height direction of the guide rod and is positioned; the left end and the right end of the rotating shaft are respectively connected with the two sliding blocks and can rotate under the action of external force; all be equipped with the screw thread on every locating lever, all be equipped with one on every locating lever, the upper and lower both ends of slider with locating lever screw-thread fit's set nut. Therefore, two ends of the rotating shaft are respectively connected with the sliding blocks of the corresponding side mounting seats, and when the sliding blocks slide up and down, the rotating shaft can move up and down, so that the cross arm and the cleaning head can move. The guide rod can guide the sliding block, so that the sliding block can slide stably and vertically. After the sliding block slides to a preset position, the sliding block can be clamped and fixed up and down through the matching of the positioning rod and the nut, and the sliding block can be fixed in the mounting seat after sliding to a specified position.

Furthermore, an assembly hole is formed in the middle of each sliding block, a bearing is arranged in each assembly hole, and the left end and the right end of the rotating shaft are respectively sleeved in the bearings on the corresponding sides and extend out of the sliding blocks; the two ends of the rotating shaft are respectively connected with a hand wheel and a rotation stopping disc, and a plurality of threaded through holes are formed in the rotation stopping disc. Therefore, the bearing arranged in the sliding block can ensure that the rotating shaft rotates under the action of external force, the hand wheel arranged at one end of the rotating shaft can facilitate an operator to rotate the rotating shaft, and the rotation stopping disc arranged at the other end of the rotating shaft can be fixed at the side end of the sliding block after being matched with the threaded through hole by using a bolt. Thereby ensuring that the rotating shaft is fixed after being moved to the designated position.

Furthermore, a positioning plate is further arranged between the rotation stopping disc and the sliding block on the corresponding side, at least one strip-shaped hole which is vertically arranged and corresponds to the installation seat on the corresponding side is arranged on the left side and the right side of the positioning plate, a positioning hole corresponding to the strip-shaped hole is arranged at the side end of the installation seat, and the positioning plate is fixed with the positioning hole at the side end of the installation seat in a threaded fit mode after penetrating through the strip-shaped hole through a tightening bolt. Like this, the locating plate that sets up can further fix the locating plate through propping tight bolt after the slider slides to a certain position, and simultaneously, the bolt when the splines are fixed can directly offset the back with the locating plate and fix.

Furthermore, the brush holders are cubic and tightly attached to the cross braces, each brush holder is provided with a fixing hole perpendicular to the cross braces, and the cleaning head is fixedly connected with the cross braces after penetrating through the fixing holes and the cross braces through a plurality of bolts. Like this, the cleaning head passes through the bolt to be fixed with the stull, and it is all comparatively convenient to dismantle and install, should set up the fixed position of also being convenient for adjust the cleaning head according to actual conditions, adjusts the interval between the double-phase adjacent cleaning head.

Further, the brush-holder stud lower extreme of every cleaning head all is equipped with a screw thread blind hole, all is equipped with a connecting rod that the upper end was threaded in every brush dish upper end, be connected through connecting rod and screw thread blind hole screw-thread fit back between brush dish and the brush-holder stud. Like this, can dismantle between the brush dish on every cleaning head and the connecting rod and be connected, and can realize the regulation of mounting height after rotatory, after the brush hair damages, only need change the brush dish can, the maintenance cost is low, and the mounting height of brush dish on every cleaning head is adjustable, can finely tune the brush according to the structure of guardrail, and clean effect is better.

Furthermore, the cross brace is U-shaped and consists of an upper cross plate, a lower cross plate and a middle vertical plate, a motor mounting seat is fixed on the upper cross plate of the cross brace, a driving motor is arranged on the motor mounting seat, a driving shaft of the driving motor penetrates through the motor mounting seat, and a driving wheel is fixed on the driving shaft; the upper end of each cleaning head is sleeved with two belt wheels which are arranged up and down, the driving wheels correspond to the cleaning heads positioned at the end parts and are connected with the belt wheels on the cleaning heads through belts, and each two adjacent cleaning heads are connected through a belt. Therefore, two adjacent cleaning heads are connected through a belt and driven by a motor, and the purpose that one motor drives the brush discs of the plurality of cleaning heads to synchronously rotate is achieved. The motor, the belt wheel and the belt form the driving of the cleaning head, and the whole driving structure is simple.

A guardrail cleaning method is characterized by comprising the following steps: s1, preparing the automatic guardrail cleaning device; s2, adjusting the angle and the installation height of the rust removing row brush according to the width and the thickness of the guardrail, rotating the rotating shaft when adjusting the angle of the rust removing row brush, rotating the rust removing row brush along with the rotating shaft, and fixing the rotating shaft after rotating to a required angle; when the installation height of the rust removal row brush is adjusted, the rotating shaft is horizontally moved, and after the rotating shaft is moved to a proper position, the rotating shaft is fixed; and S3, flatly placing the guardrail to be cleaned on the conveyor belt, starting the first motor in the driving assembly, the driving device of the rust removing row brush and the power mechanism of the roller brush, finishing rust removal and dust removal after the placed guardrail runs to the guardrail cleaning channel, and stacking the guardrail to be cleaned beside the braking cleaning device under the conveying of the conveyor belt. Like this, adjust row brush angle and mounting height before the guardrail is clean, can effectively adjust row brush according to the thickness of guardrail, width isoparametric to when guaranteeing the guardrail cleanness, can not have the dead angle, when clean to the guardrail, only need constantly place the guardrail can, easy operation, convenience.

Furthermore, the rust removal row brushes and the dust removal roller brushes are respectively positioned in the front of the advancing direction of the guardrail and behind the advancing direction of the guardrail, the two rust removal row brushes are arranged, and the two rust removal row brushes are respectively inclined towards the initial position of the guardrail and the direction of the roller brushes. Like this, when clean, rust cleaning earlier, the back removes dust, can ensure to leave the dust on the guardrail after the cleanness, simultaneously, arranges the brush angle difference, inclines around respectively to the guardrail advancing direction, and then can accomplish the multi-angle rust cleaning, ensures once only to the guardrail multiaspect clean, clean effectual.

Drawings

FIG. 1 is a schematic perspective view of an automatic guardrail cleaning device in an embodiment;

FIG. 2 is a schematic view of an installation structure of a row brush in the embodiment;

FIG. 3 is a schematic view of the installation structure of the row brush and the base in the embodiment.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

Example (b):

as shown in fig. 1-3, the automatic guardrail cleaning device and the guardrail cleaning method provided by the embodiment include a frame and a guardrail conveyor belt mounted on the frame, wherein the guardrail conveyor belt can continuously convey guardrails along the conveying direction of the guardrail conveyor belt under the driving of a driving assembly; the middle part of the guardrail conveying belt and the left side and the right side of the guardrail conveying belt are respectively provided with a mounting rack, and at least one rust removal row brush 7 and a dust removal roller brush 10 which are arranged along the width direction of the conveying belt are fixedly arranged on the mounting rack; the rust removal row brush 7 comprises a cross brace 71 and a machine base 9 which is arranged on two sides of the cross brace 71 and is fixedly connected with the corresponding side mounting frames respectively, a plurality of cleaning heads are arranged at intervals in the length direction of the cross brace 71, each cleaning head comprises a brush base 73 fixed on the cross brace 71 and a brush rod 74 which is provided with a brush disc 75 at the bottom and can rotate under the driving of a row brush driving device; the brush rod 74 is vertically arranged, hard bristles 76 are fixed on each brush disc 75, and the hard bristles 76 are vertically arranged; the cross brace 71 is fixed on the base 9 through a rotating shaft 8, the cross brace 71 is fixedly connected with the rotating shaft 8 and fixed on the base 9 through the rotating shaft 8, and the rotating shaft 8 can move in the height direction of the base 9 and can be positioned after rotating; the dust removal roller brush 10 comprises a roller shaft capable of rotating under the driving of a power mechanism and flexible brushes uniformly distributed along the axial direction of the roller shaft; a guardrail cleaning channel is formed between the hard bristles 76 at the lower end of the cleaning head and the flexible brush on the dust removing roller brush 10 and the conveyor belt.

The frame is including establishing the support and a plurality of the reinforcement piece of arranging in between two supports of guardrail conveyer belt both sides to with support inboard fixed connection. The base 9 is detachably mounted on the mounting bracket on the corresponding side.

As shown in fig. 1, the guardrail conveyor belt in the embodiment is annular as a whole, and includes a plurality of movable plates 6 arranged at intervals, and annular chains 5 fixedly connected with the movable plates 6 are fixedly installed on both sides of the guardrail conveyor belt; a belt wheel mechanism is arranged on the inner side of the guardrail conveying belt and at the front end and the rear end of the guardrail conveying belt, the belt wheel mechanism comprises two second driven wheels 4 which are respectively matched with the annular chains on the left side and the right side, and a connecting shaft is connected between the two second driven wheels 4; the driving assembly comprises a first motor 1, a main driving wheel 2 is sleeved on an output shaft of the first motor 1, a first driven belt wheel 3 is further sleeved and fixed outside a connecting shaft of one belt wheel mechanism, and the main driving wheel 2 is connected with the first driven belt wheel 3 through a chain.

The machine base 9 comprises mounting seats 91 symmetrically arranged on the left side and the right side of the cross brace 71, the mounting seats 91 are frame-shaped, two guide rods 92 and positioning rods 94 are arranged in a hollow part formed by each mounting seat 91, and the guide rods 92 and the positioning rods 94 are vertically arranged; a sliding block 93 is sleeved on the guide rod 92, and the sliding block 93 can slide along the height direction of the guide rod 92 and is positioned; the left end and the right end of the rotating shaft 8 are respectively connected with the two sliding blocks 93 and can rotate under the action of external force; each positioning rod 94 is provided with a thread, and each positioning rod 94 and the upper and lower ends of the sliding block 93 are provided with a positioning nut 95 in threaded fit with the positioning rod 94.

An assembly hole is formed in the middle of each sliding block 93, a bearing is arranged in each assembly hole, and the left end and the right end of the rotating shaft 8 are respectively sleeved in the bearings on the corresponding sides and extend out of the sliding blocks 93; a hand wheel 81 and a rotation stopping disk 82 are respectively connected to both ends of the rotating shaft 8, and a plurality of threaded through holes 83 are formed in the rotation stopping disk 82. Still be equipped with a locating plate 96 between the slider 93 of spline 82 and corresponding side, all be equipped with at least one in the left and right sides of locating plate 96 and be vertical setting and with the corresponding bar hole 97 of corresponding side mount pad 91, be equipped with the locating hole corresponding with bar hole 97 at the mount pad 91 side, locating plate 96 passes behind bar hole 97 through the puller bolt, passes through screw-thread fit with the locating hole of mount pad side and fixes.

The brush holders 73 are cubic and are tightly attached to the cross-brace 71, each brush holder 73 is provided with a fixing hole perpendicular to the cross-brace 71, and the cleaning head is fixedly connected with the cross-brace 71 after penetrating through the fixing holes and the cross-brace 71 through a plurality of bolts.

The brush-holder stud 74 lower extreme of every cleaning head all is equipped with a screw thread blind hole, all is equipped with a connecting rod that the upper end was threaded in every brush dish 75 upper end, be connected through connecting rod and screw thread blind hole screw-thread fit back between brush dish 75 and the brush-holder stud 74.

The cross arm 71 is U-shaped and consists of an upper cross plate, a lower cross plate and a middle vertical plate, a motor mounting seat is fixed on the upper cross plate of the cross arm, a driving motor 79 is arranged on the motor mounting seat, a driving shaft of the driving motor 79 penetrates through the motor mounting seat, and a driving wheel is fixed on the driving shaft; two belt wheels 77 which are arranged up and down are sleeved at the upper end of each cleaning head, the driving wheels correspond to the cleaning heads positioned at the end parts and are connected with the belt wheels 77 on the cleaning heads through belts 78, and every two adjacent cleaning heads are connected through a belt 78.

Specifically, the connection structure between the wale 71 and the rotating shaft 8 is as follows: the cross arm 71 is arranged between the cleaning head and the rotating shaft 8, a plurality of sleeve plates 72 are arranged on one side of the cross arm 71 facing the rotating shaft 8 at intervals, a through hole matched with the rotating shaft 8 is formed in the middle of each sleeve plate 72, and the cross arm 71 is sleeved on the rotating shaft 8 through the sleeve plates 72 and fixed between the two mounting seats 91.

The method for cleaning the guardrail by adopting the guardrail cleaning device comprises the following steps: s1, preparing the automatic guardrail cleaning device; s2, adjusting the angle and the installation height of the rust removing row brush according to the width and the thickness of the guardrail, rotating the rotating shaft when adjusting the angle of the rust removing row brush, rotating the rust removing row brush along with the rotating shaft, and fixing the rotating shaft 8 after rotating to a required angle; when the installation height of the rust removal row brush 7 is adjusted, the rotating shaft 8 is horizontally moved, and after the rotating shaft 8 is moved to a proper position, the rotating shaft is fixed; and S3, flatly placing the guardrail to be cleaned on the conveyor belt, starting the first motor in the driving assembly, the driving device of the rust removing row brush and the power mechanism of the roller brush, finishing rust removal and dust removal after the placed guardrail runs to the guardrail cleaning channel, and stacking the guardrail to be cleaned beside the braking cleaning device under the conveying of the conveyor belt.

The rust removal row brushes 7 and the dust removal roller brushes are respectively positioned in the front of the advancing direction of the guardrail and behind the advancing direction of the guardrail, the two rust removal row brushes are arranged, and the two rust removal row brushes are respectively inclined towards the initial position of the guardrail and the direction of the roller brushes.

During specific implementation, a spraying system can be arranged on the machine frame corresponding to the position of the dust removing roller brush 10 for dust removal, or a dust cover (dust leaks out from between two adjacent movable plates 6) is arranged on the machine frame corresponding to the positions of the dust removing roller brush and the dust removing row brush, and a dust collecting box is arranged below the guardrail conveying belt.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the present invention has been described in detail by referring to the preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of the present invention can be made without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.