阅读说明：本技术 一种道路伸缩缝维修加固方法 (Road expansion joint maintenance and reinforcement method ) 是由 不公告发明人 于 2020-05-18 设计创作，主要内容包括：本发明公开了一种道路伸缩缝维修加固方法,包括以下步骤：步骤一、中止交通流；步骤二、拆除伸缩缝内的原有装置；步骤三、保留锚固件并紧固；步骤四、伸缩缝底端设置弹性连接板；步骤五、伸缩缝内设置与锚固件连接的第一固定部和第二固定部；X型板设置在第一固定部和第二固定部之间；步骤六、在第一固定部和第二固定部之间的设置弹性支撑板,弹性支撑板上设置模板；步骤七、模板的外侧浇筑水泥混凝土,养护后铺设固定压板、磁性盖板；步骤八、磁性盖板的两端对称设置可移动推板,可移动推板的上端设置吸尘系统。本发明剔除原有装置,从根本上进行维修加固,减少以后的维修次数,避免多次加固的麻烦,保证了伸缩缝形变的稳定性。(The invention discloses a method for maintaining and reinforcing a road expansion joint, which comprises the following steps: step one, stopping traffic flow; step two, dismantling the original device in the expansion joint; step three, retaining and fastening the anchoring piece; fourthly, arranging an elastic connecting plate at the bottom end of the expansion joint; fifthly, arranging a first fixing part and a second fixing part connected with the anchoring part in the expansion joint; the X-shaped plate is arranged between the first fixing part and the second fixing part; sixthly, arranging an elastic supporting plate between the first fixing part and the second fixing part, wherein a template is arranged on the elastic supporting plate; step seven, pouring cement concrete on the outer side of the template, and laying a fixed pressing plate and a magnetic cover plate after curing; and step eight, symmetrically arranging movable push plates at two ends of the magnetic cover plate, and arranging a dust collection system at the upper end of each movable push plate. The invention eliminates the original device, fundamentally carries out maintenance and reinforcement, reduces the subsequent maintenance times, avoids the trouble of multiple reinforcement and ensures the stability of the expansion joint deformation.)

1. A method for maintaining and reinforcing road expansion joints comprises the following steps:

step one, setting a warning board and terminating the traffic flow of the expansion joint maintenance road section;

secondly, removing the top end structure of the expansion joint, and chiseling off the pavement structures on two sides of the expansion joint through mechanical equipment until the whole original device in the expansion joint is exposed;

step three, removing the original device in the expansion joint, moving the expansion joint out, retaining the anchoring parts on the two original side walls of the expansion joint, fastening the anchoring parts, cleaning residues in the expansion joint, and arranging waterproof layers at the side end and the bottom end of the expansion joint;

fourthly, arranging an elastic connecting plate at the position, 2-3 cm away from the bottom end of the expansion joint, of the two side walls, wherein the elastic connecting plate is buckled with the anchoring piece through the buckles at the two sides, so that the elastic connecting plate is fixed in the expansion joint and is as long as the expansion joint;

fifthly, arranging a first fixing part connected with the anchoring part in the expansion joint, wherein the first fixing part is parallel to the side wall, fixing one end of an X-shaped plate on the first fixing part, arranging a second fixing part at a position symmetrical to the first fixing part, fixing the other end of the X-shaped plate on the second fixing part, the first fixing part and the second fixing part are equal in height and are uniformly distributed along the longitudinal direction of the expansion joint, and the first fixing part and the second fixing part are arranged on the opposite anchoring part;

arranging an elastic support plate between the first fixing part and the second fixing part, wherein the top end of the elastic support plate is flush with the top ends of the first fixing part and the second fixing part and is equal to the expansion joint in length; two sides of the elastic support plate are provided with templates which are vertical to the elastic support plate and have the same length with the expansion joint;

seventhly, pouring cement concrete to a position 5-8 cm away from the highway pavement on the outer side of the template, paving a pressing plate above the cement concrete after tamping, leveling and maintaining, and fixing the pressing plate through a fixing piece; laying a magnetic cover plate on the top ends of the pressing plate and the expansion joint; a rubber cushion layer is arranged between the magnetic cover plate and the elastic support plate;

step eight, symmetrically arranging movable push plates at the two longitudinal ends of the magnetic cover plate, arranging a dust collection system at the upper end of each movable push plate, wherein the movement of each movable push plate and the dust collection system are controlled by a control system, and a vehicle vibration detection module is arranged in the control system and used for detecting whether vehicles pass through the two sides of the expansion joint;

in the fifth step, the structures and the mounting and fixing modes of the first fixing part and the second fixing part are the same; the anchoring part is the edge the U type spare that falls of expansion joint both sides longitudinal separation range, anchoring part is parallel around, and fix on the road bed, first fixed part set up into with the U type structure that falls of anchoring part adaptation runs through anchor part around through the reinforcing bar, and will reinforcing bar, anchoring part and first fixed part/second fixed part fixed connection.

Wherein, the diameter of the buckle in the fourth step is set to be 5-8 cm; when the elastic connecting plate is completely and horizontally arranged in the expansion joint, the center of the ring buckle is positioned at the inner side of the anchoring piece; the elastic connecting plate is arranged on two sides of the elastic part symmetrically, the elastic part comprises two ends connected with the hard springs of the connecting steel plates respectively, and connected with the connecting steel plates, and the two ends are arranged on the top ends of the hard springs and the flexible cover plates at the bottom ends of the hard springs respectively.

2. The method for repairing and reinforcing a road expansion joint according to claim 1, wherein in the fifth step, the X-shaped plate is composed of symmetrical U-shaped structural members, a plurality of spring members are connected between the U-shaped structural members, and rubber sleeves wrapping the spring members are sleeved outside the spring members and surrounding the middle parts of the two U-shaped structural members;

the X-shaped plate is arranged in a plurality of holes, the positions, close to the fixed end, of the X-shaped plate are symmetrically provided with string holes, and a plurality of columns connected with the X-shaped plate are arranged in the string holes. The magnetic cover plate in the seventh step comprises a main plate, a sub plate and a top plate, wherein the first end of the main plate and the first end of the sub plate are both arranged above the pressing plate, the second end of the main plate is provided with a hollow cavity, and the second end of the sub plate is arranged in the hollow cavity and is matched with the hollow cavity; the length of the main board is equal to that of the expansion joint, and the depth of the hollow cavity is matched with the second end of the daughter board, which is not fixed; the top plate is buckled above the daughter board on the road surface, so that the top end of the top plate is flush with the top end of the main board, and the top plate is a magnetic plate magnetically attracted above the daughter board.

Technical Field

The invention relates to the technical field of road expansion joint reinforcement, in particular to a method for maintaining and reinforcing a road expansion joint.

Background

The road expansion joint is used for meeting the requirement of bridge deck deformation, and is usually arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of a bridge, namely, the expansion joint is arranged for preventing the influence on the structure after the weather change expands with heat and contracts with cold, so that the expansion joint cannot influence the quality of the structure and cannot generate cracks at the same time; in general, expansion joints should have good durability, good water resistance, and ease of repair. In the expansion joint in use at present, if the expansion joint made of zinc-iron sheet is easy to age and fall off, the expansion joint cannot deform freely, the steel plate expansion joint is not anchored strongly, and the girder is easy to freeze and corrode, so that the maintenance and reinforcement method for the road expansion joint is necessary for ensuring the durability of the expansion joint and reducing the maintenance frequency.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

The invention also aims to provide a method for maintaining and reinforcing the road expansion joint, which eliminates the original device, fundamentally maintains and reinforces, reduces the subsequent maintenance times, avoids the trouble of repeated reinforcement and ensures the stability of the deformation of the expansion joint.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a method for repairing and reinforcing a road expansion joint, comprising the steps of:

step one, setting a warning board and stopping the traffic flow of the expansion joint maintenance road section.

And step two, removing the top end structure of the expansion joint, and chiseling off the pavement structures on two sides of the expansion joint through mechanical equipment until the whole original device in the expansion joint is exposed.

And step three, dismantling the original device in the expansion joint, moving out the expansion joint, retaining the anchoring parts on the two original side walls of the expansion joint, fastening the anchoring parts, cleaning residues in the expansion joint, and arranging waterproof layers at the side end and the bottom end of the expansion joint.

And fourthly, arranging an elastic connecting plate at the position, 2-3 cm away from the bottom end of the expansion joint, of the two side walls, wherein the elastic connecting plate is buckled with the anchoring piece through the buckles at the two sides, so that the elastic connecting plate is fixed in the expansion joint and is as long as the expansion joint.

And fifthly, arranging a first fixing part connected with the anchoring part in the expansion joint, wherein the first fixing part is parallel to the side wall, fixing one end of the X-shaped plate on the first fixing part, arranging a second fixing part at a position symmetrical to the first fixing part, fixing the other end of the X-shaped plate on the second fixing part, ensuring that the first fixing part and the second fixing part are equal in height and are longitudinally and uniformly distributed along the expansion joint, and ensuring that the first fixing part and the second fixing part are arranged on the anchoring part oppositely.

Sixthly, arranging an elastic support plate between the first fixing part and the second fixing part, wherein the top end of the elastic support plate is flush with the top ends of the first fixing part and the second fixing part and is as long as the expansion joint; and templates which are vertical to the elastic supporting plate and have the same length with the expansion joint are arranged on two sides of the elastic supporting plate.

Seventhly, pouring cement concrete to a position 5-8 cm away from the road surface on the outer side of the template, paving a pressing plate above the cement concrete after tamping, leveling and maintaining, and fixing the pressing plate through a fixing piece; laying a magnetic cover plate on the top ends of the pressing plate and the expansion joint; and a rubber cushion layer is arranged between the magnetic cover plate and the elastic support plate.

Step eight, the vertical both ends symmetry of magnetic cover plate sets up portable push pedal, the upper end of portable push pedal sets up dust collecting system, the removal of portable push pedal and dust collecting system all is controlled by control system, set up vehicle vibration detection module in the control system for detect whether there is the vehicle to pass through in expansion joint both sides.

Preferably, in the fifth step, the first fixing part and the second fixing part have the same structure and are mounted and fixed in the same manner; the anchoring part is the edge the U type spare that falls of expansion joint both sides longitudinal separation range, anchoring part is parallel around, and fix on the road bed, first fixed part set up into with the U type structure that falls of anchoring part adaptation runs through anchor part around through the reinforcing bar, and will reinforcing bar, anchoring part and first fixed part/second fixed part fixed connection.

Preferably, the diameter of the buckle in the fourth step is set to be 5-8 cm; when the elastic connecting plate is completely and horizontally arranged in the expansion joint, the center of the ring buckle is positioned at the inner side of the anchoring piece; the elastic connecting plate is arranged on two sides of the elastic part symmetrically, the elastic part comprises two ends connected with the hard springs of the connecting steel plates respectively, and connected with the connecting steel plates, and the two ends are arranged on the top ends of the hard springs and the flexible cover plates at the bottom ends of the hard springs respectively.

Preferably, in the fifth step, the X-shaped plate is composed of symmetrical U-shaped structural members, a plurality of spring pieces are connected between the U-shaped structural members, and the spring pieces are sleeved and wrapped outside the spring pieces and surround the rubber sleeves in the middle of the two U-shaped structural members;

the X-shaped plate is arranged in a plurality of holes, the positions, close to the fixed end, of the X-shaped plate are symmetrically provided with string holes, and a plurality of columns connected with the X-shaped plate are arranged in the string holes.

Preferably, the magnetic cover plate in the seventh step includes a main plate, a sub-plate and a top plate, the main plate and the sub-plate are symmetrically arranged, the first end of the main plate and the first end of the sub-plate are both arranged above the pressing plate, the second end of the main plate is provided with a hollow cavity, and the second end of the sub-plate is arranged in the hollow cavity and is matched with the hollow cavity; the length of the main board is equal to that of the expansion joint, and the depth of the hollow cavity is matched with the second end of the daughter board, which is not fixed; the top plate is buckled above the road pavement, so that the top end of the top plate is flush with the top end of the main board, and the top plate is a magnetic plate magnetically attracted above the daughter board.

Preferably, in the eighth step, the movable push plate comprises a moving part and a main push plate, the main push plate is arranged at the front end of the moving part, the moving part comprises a bottom plate and a wheel body arranged at the bottom end of the bottom plate, the main push plate is of a triangular structure with an inwardly concave arc-shaped top surface, two sides of the main push plate are respectively provided with a cavity matched with the main push plate in shape, a sub push plate which is connected with a first cylinder and a second cylinder and is matched with the cavity is arranged in the cavity, so that the sub push plate moves up and down left and right, and the bottom end of the sub push plate is attached to the top end of the sub plate when the sub push plate operates; the front end of the main push plate is arranged into a shovel-shaped structure attached to the daughter board; the control system further comprises a distance measuring module which is arranged on the movable push plate to measure the width of the daughter board right above the expansion joint, so that the operation of the first air cylinder and the second air cylinder is controlled.

Preferably, in the eighth step, the dust suction system is arranged above the bottom plate, and the dust suction system comprises a mini-type dust collector, and a suction opening of the mini-type dust collector faces to the top end of the main push plate.

Preferably, the both sides of road are located the position at expansion joint is provided with the storehouse of charging, the opening and close of storehouse front end door plant of charging is controlled by control system, control system includes electric quantity monitoring module, its power that is used for monitoring the wheel body and go forward and dust collecting system's electric quantity information, in order to control portable push pedal removes, makes dust collecting system arranges in charge in the storehouse.

The invention at least comprises the following beneficial effects:

the whole original device in the expansion joint is removed and replaced, and the troubles of poor reinforcing effect and frequent maintenance of the original device in the expansion joint are eliminated; meanwhile, the original anchoring piece is reserved, the operation cost is reduced, and meanwhile, the expansion joint is reinforced by installing an elastic connecting plate at the bottom end of the expansion joint and fixedly connecting the ring buckle and the anchoring piece in a reinforcing device of the expansion joint; the first fixing part and the second fixing part are arranged in the expansion joint to form a supporting structure of the X-shaped plate, so that the deformation of the X-shaped plate is favorably ensured when the expansion joint is deformed, and meanwhile, the two ends of the first fixing part and the second fixing part are fixed on the anchoring part, and the expansion joint is further reinforced; through the setting of elastic support board, protect the X template, when avoiding album dirt, also can not hinder the deformation at expansion joint.

Through setting up cement concrete placement, make anchor assembly and road surface form integral connection, be favorable to strengthening anchor assembly and the stability of the component of being connected with anchor assembly, through setting up clamp plate and magnetism apron to guarantee the planarization on road surface, the setting of clamp plate more does benefit to the fixed of strengthening the magnetism apron, the magnetism apron sets up in the top at the expansion joint, has avoided impurity to get into in the expansion joint, being provided with of rubber cushion does benefit to and forms the support to the magnetism apron, guarantees the vehicle and goes out-of-date stationarity.

Whether a vehicle is about to approach or not is detected by the vehicle vibration detection module within the operation time of the movable push plate on the road at the two sides of the expansion joint so as to ensure the safe operation of the movable push plate and ensure the driving safety of the vehicle; through setting up portable push pedal at the both ends of magnetism apron, the portable push pedal relative operation of both sides of being convenient for carries out quick clearance to impurity on the magnetism apron, has guaranteed the high efficiency of expansion joint clearance.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a flow chart of a method for repairing and reinforcing a road expansion joint according to the present invention;

FIG. 2 is a schematic view of the structure of the reinforced expansion joint of the present invention;

FIG. 3 is a schematic structural view of a movable push plate according to the present invention;

fig. 4 is a schematic structural diagram of the movable push plate during the operation of the sub-push plate of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-2, the present invention provides a method for maintaining and reinforcing a road expansion joint, comprising the following steps:

step one, setting a warning board and stopping the traffic flow of the expansion joint maintenance road section.

And step two, removing the top end structure of the expansion joint, and chiseling off the pavement structures on two sides of the expansion joint through mechanical equipment until the whole original device in the expansion joint is exposed.

And step three, dismantling the original device in the expansion joint, moving out the expansion joint, retaining the anchoring parts 10 on the two original side walls of the expansion joint, fastening the anchoring parts 10, cleaning residues in the expansion joint, and arranging waterproof layers at the side end and the bottom end of the expansion joint.

And fourthly, arranging an elastic connecting plate 11 at the position, 2-3 cm away from the bottom end of the expansion joint, of the two side walls, wherein the elastic connecting plate 11 is buckled with the anchoring piece 10 through the ring buckles 12 at the two sides, so that the elastic connecting plate 11 is fixed in the expansion joint and is equal to the expansion joint in length.

Step five, a first fixing part 13 connected with the anchoring part 10 is arranged in the expansion joint, the first fixing part 13 is parallel to the side wall, one end of the X-shaped plate 1 is fixed on the first fixing part 13, a second fixing part 14 is arranged at a position symmetrical to the first fixing part 13, the other end of the X-shaped plate 1 is fixed on the second fixing part 14, the first fixing part 13 and the second fixing part 14 are equal in height and are evenly distributed along the expansion joint in the longitudinal direction, and the first fixing part 13 and the second fixing part 14 are arranged on the anchoring part 10 in an opposite mode.

Sixthly, arranging an elastic support plate 15 between the first fixing part 13 and the second fixing part 14, wherein the top end of the elastic support plate 15 is flush with the top ends of the first fixing part 13 and the second fixing part 14 and is as long as the expansion joint; and templates 16 which are perpendicular to the elastic support plate 15 and have the same length as the expansion joints are arranged on two sides of the elastic support plate 15.

Seventhly, pouring cement concrete to a position 5-8 cm away from the road surface on the outer side of the template 16, compacting, leveling and maintaining, paving a pressing plate 17 above the cement concrete, and fixing the pressing plate 17 through a fixing piece; laying a magnetic cover plate 18 on the top ends of the pressure plate 17 and the expansion joint; a rubber cushion layer 19 is arranged between the magnetic cover plate 18 and the elastic support plate 15.

Step eight, the vertical both ends symmetry of magnetic cover 18 sets up portable push pedal 20, the upper end of portable push pedal 20 sets up dust collecting system 21, portable push pedal 20 the removal and dust collecting system 21 all is controlled by control system, set up vehicle vibration detection module in the control system for detect whether there is the vehicle in expansion joint both sides to pass through.

In the scheme, the whole original device in the expansion joint is removed and replaced, and the troubles of poor reinforcing effect and frequent maintenance of the original device in the expansion joint are eliminated; meanwhile, the original anchoring piece 10 is reserved, the operation cost is reduced, and meanwhile, the expansion joint is reinforced by installing an elastic connecting plate 11 at the bottom end of the expansion joint and fixedly connecting a ring buckle 12 with the anchoring piece 10 in a reinforcing device of the expansion joint; the first fixing part 13 and the second fixing part 14 are arranged in the expansion joint to form a supporting structure of the X-shaped plate 1, so that the deformation of the X-shaped plate 1 is favorably ensured when the expansion joint deforms, meanwhile, the two ends of the first fixing part 13 and the two ends of the second fixing part 14 are fixed on the anchoring part 10, the expansion joint is further reinforced, and the first fixing part 13 and the second fixing part 14 are located at positions which do not cause obstruction to the deformation of the expansion joint and are an important supporting structure for reinforcing the expansion joint; through the setting of resilient support board 15, protect X template 1, when avoiding album dirt, also can not hinder the deformation at expansion joint, wherein, resilient support board 15 is in by block rubber and symmetry setting the plate of block rubber both sides constitutes.

Through setting up cement concrete pouring, make anchor assembly 10 and road surface form integral connection, be favorable to strengthening anchor assembly 10 and the stability of the component of being connected with anchor assembly 10, through setting up clamp plate 17 and magnetic cover plate 18 to guarantee the planarization on road surface, the setting of clamp plate 17 more does benefit to the fixed of strengthening magnetic cover plate 18, magnetic cover plate 18 sets up in the top at the expansion joint, has avoided impurity to get into in the expansion joint, 19 being provided with of rubber cushion do benefit to the support that forms magnetic cover plate 18, guarantee the vehicle and travel the past stationarity.

Whether a vehicle is about to approach or not in the operation time of the movable push plate 20 on the road at the two sides of the expansion joint is detected through the vehicle vibration detection module so as to ensure the safe operation of the movable push plate 20 and ensure the driving safety of the vehicle; through setting up portable push pedal 20 at the both ends of magnetism apron 18, the portable push pedal 20 relative operation of both sides of being convenient for carries out quick clearance to impurity on the magnetism apron 18, has guaranteed the high efficiency of expansion joint clearance.

In a preferred embodiment, in the fifth step, the first fixing portion 13 and the second fixing portion 14 have the same structure and are mounted and fixed in the same manner; anchor member 10 is for following the U type spare that falls of expansion joint both sides longitudinal separation range, anchor member 10 is parallel around, and fix on the road bed, first fixed part 13 set up into with anchor member 10 adaptation's the U type structure of falling, through anchor member 10 around reinforcing bar 22 runs through, and will reinforcing bar 22, anchor member 10 and first fixed part 13/second fixed part 14 fixed connection.

In the above scheme, the first fixing portion 13 and the anchoring member 10 are both of an inverted U-shaped structure, and have adaptive sizes, so as to facilitate the fixed connection between the two; meanwhile, the front and the back of the plurality of anchoring parts 10 and the first fixing parts 13 are connected in series and fixed through the reinforcing steel bars 22, the integrity of connection is built, the uniformity during deformation is guaranteed, the reinforcing effect of the whole structure is doubled, the installation is simple, and the second fixing parts 14 are opposite to the structure and the installation mode of the first fixing parts 13 and are symmetrically arranged.

In a preferable scheme, the diameter of the buckle 12 in the fourth step is set to be 5-8 cm; when the elastic connecting plate 11 is completely arranged in the expansion joint, the center of the ring buckle 12 is positioned at the inner side of the anchoring piece 10; the elastic connecting plate 11 is composed of an elastic part and connecting steel plates 111 symmetrically arranged on two sides of the elastic part, the elastic part comprises a hard spring 110 with two ends respectively connected with the connecting steel plates 111, and a flexible cover plate 112 connected with the connecting steel plates 111 and respectively arranged at the top end and the bottom end of the hard spring 110.

In the above scheme, the reinforced connection between the elastic connection plate 11 and the anchoring member 10 is established in a manner that the ring buckle 12 is buckled on one side of the anchoring member 10, the elastic connection plate 11 is fixed at the bottom end of the expansion joint, the bottom end of the expansion joint is subjected to waterproof treatment, and the state of the ring buckle 12 when being buckled with the anchoring member 10 is favorable for ensuring the deformation range of the elastic connection plate 11, wherein the deformation range comprises the buckling cross amount of the ring buckle 12 and the anchoring member 10 and the deformation amount of the hard spring 110 between the connecting steel plates 111, and the hard spring 110 is covered above the hard spring 110 through the flexible cover plate 112, so that a certain protection effect is exerted on the hard spring 110, and the service life of the hard spring 110 is ensured.

In a preferable scheme, in the fifth step, the X-shaped plate 1 is composed of symmetrical U-shaped structural members, a plurality of spring members 100 are connected between the U-shaped structural members, and rubber sleeves 101 wrapping the spring members 100 and surrounding the middle parts of the two U-shaped structural members are sleeved outside the plurality of spring members 100;

the X-shaped plate 1 is arranged in a plurality of holes, the positions, close to the fixed end, of the X-shaped plate 1 are symmetrically provided with string holes, and a plurality of columns 102 connected with the X-shaped plate 1 are arranged in the string holes.

In the above scheme, the X-shaped plate 1 is a stressed plate for mainly deforming the expansion joint, and the U-shaped structural members which are transversely butted are connected together through the spring member 100 and the rubber sleeve 101, when the expansion joint deforms, the X-shaped plate 1 deforms or stretches or moves inwards relatively at the middle position along with the deformation of the expansion joint, and the expansion joint is reinforced by the spring member 100 and the rubber sleeve 101, and the deformation of the expansion joint is not adversely affected; through the cylinder 102 of a plurality of X template 1 of establishing ties, be as an organic whole with the deformation connection of a plurality of X template 1, be favorable to guaranteeing the stability of whole device to consolidate whole device, when guaranteeing the expansion joint deformation, the unity that X template 1 warp.

In a preferable scheme, the magnetic cover plate 18 in the seventh step includes a main plate 180, a sub plate 181 and a top plate 182, the main plate 180 and the sub plate 181 are symmetrically arranged, a first end of the main plate 180 and a first end of the sub plate 181 are both arranged above the pressure plate 17, a hollow cavity is arranged at a second end of the main plate 180, and a second end of the sub plate 181 is arranged in the hollow cavity and is adapted to the hollow cavity; the length of the main board 180 is equal to that of the expansion joint, and the depth of the hollow cavity is matched with the second end of the sub board 181 which is not fixed; the top plate 182 is buckled the daughter board 181 is located above the road surface, so that the top end of the top plate 182 is flush with the top end of the main board 180, and the top plate 182 is a magnetic plate magnetically attracted above the daughter board 181.

In the above scheme, the main plate 180 and the first end of the sub plate 181 are fixed above the pressure plate 17, so that the whole structure fixed below the pressure plate 17 is firmer, meanwhile, the main plate 180 and the sub plate 181 are fixed above the pressure plate 17 more firmly, the second end of the sub plate 181 is inserted into the second end of the main plate 180, and a certain margin is left in the hollow cavity of the main plate 180, so that when the expansion joint is deformed, the sub plate 181 can move in the hollow cavity along with the deformation of the expansion joint, the deformation of the expansion joint cannot be influenced, meanwhile, the sub plate 181 and the plate of the main plate 180 are built above the expansion joint, impurities entering the expansion joint are completely avoided, and the impurities on the road surface only can enter the gap between the top plate 182 and the main plate 180, so that the clearance of the expansion joint is limited in the range easy to be cleaned, and the quick clearance is facilitated; the roof 182 lock has guaranteed the parallel and level nature on expansion joint both sides top in the top of daughter board 181, avoids the vehicle to travel unstably, the fixed mode that roof 182 magnetism was inhaled does benefit to the installation and dismantles, and is simple laborsaving, and wherein, both sides clamp plate 17 height is different, and daughter board 181 adds with the thickness of its below clamp plate 17, equals with the thickness sum of mainboard 180 and the clamp plate 17 of its below.

In a preferable scheme, in the eighth step, the movable push plate 20 includes a moving portion and a main push plate 201, the main push plate 201 is disposed at the front end of the moving portion, the moving portion includes a bottom plate 202 and a wheel body 203 disposed at the bottom end of the bottom plate 202, the main push plate 201 is configured to be a triangular structure with a concave arc top surface, two sides of the main push plate 201 are both provided with a cavity adapted to the shape of the main push plate 201, a sub push plate 204 connected by a first cylinder and a second cylinder and adapted to the cavity is disposed in the cavity, so that the sub push plate 204 moves up and down left and right, and when the sub push plate 204 operates, the bottom end of the sub push plate 204 is attached to the top end of the sub plate 181; the front end of the main push plate 201 is arranged to be a shovel-shaped structure attached to the sub-plate 181; the control system further comprises a distance measuring module which is arranged on the movable push plate 20 to measure the width of the sub plate 181 right above the expansion joint, so as to control the operation of the first cylinder and the second cylinder.

In the above solution, as shown in fig. 3-4, when the vehicle vibration detection module detects that no vehicle passes through in a short time, the control system controls the operation of the movable push plate 20, where the short time refers to the time for the movable push plate 20 to move from one end of the expansion joint to the other end and return to its original position; the width of the sub-plate 181 right above the expansion joint, namely the width of the range in which the movable push plate 20 needs to operate, is obtained through the distance measuring module, so that whether the operation of the sub-push plate 204 is adjusted or not is determined, the operation width of the sub-push plate 204 is determined, the cleaning width formed by the main push plate 201/the main push plate 201 and the sub-push plate 204 is matched with the detected distance, the primary cleaning is ensured to be in place, the problem of secondary cleaning is avoided, the operation efficiency of the movable push plate 20 is improved more efficiently, the first air cylinder and the second air cylinder respectively control the left and right movement and the up and down movement of the sub-push plate 204, the sub-push plate 204 is stored when not used, the distance is matched and the sub-plate 181 is attached to shovel impurities when used, and the cleaning efficiency is greatly improved; the wheel body 203 drives the main push plate 201 to move forwards, so that the front end of the main push plate 201 attached to the upper portion of the sub plate 181 cleans up the garbage above the sub plate 181.

In a preferable scheme, in the eighth step, the dust suction system 21 is arranged above the bottom plate 202, and the dust suction system 21 comprises a mini-type dust collector, and a suction port of the mini-type dust collector faces to the top end of the main push plate 201.

In the above scheme, the miniature dust collector is arranged above the bottom plate 202, so that the dust collection system 21 can be conveniently mounted on the bottom plate 202 and used for cleaning the expansion joint, and the direction of the suction port faces the main push plate 201, so that impurities in the expansion joint scooped up by the main push plate 201 can be cleaned in the first time, and the cleaning efficiency is ensured.

In a preferred scheme, the two sides of the road are located at the position of the expansion joint, the charging bin 23 is arranged, the opening and closing of the door plate at the front end of the charging bin 23 are controlled by the control system, and the control system comprises an electric quantity monitoring module which is used for monitoring the power of the forward movement of the wheel body 203 and the electric quantity information of the dust collection system 21 so as to control the movement of the movable push plate 20, so that the dust collection system 21 is arranged in the charging bin 23 for charging.

In the above scheme, the charging bins 23 are arranged at the two ends of the expansion joint and are charged with the dust collection system 21 in time, so that when no vehicle passes through and the movable push plate 20 is taken out of the bin for cleaning, the cleaning efficiency is ensured, meanwhile, the rotation of the wheel body 203 is driven by the micro driving motor, and the driving motor is also charged in the charging bins 23; the electric quantity monitoring module in the control system can monitor the electric quantity of the micro driving motor and the dust collection system 21 at any time, so that the electric quantity of the movable push plate 20 and the dust collection system 21 is sufficient and available during operation, and the high efficiency of cleaning on the daughter board 181 is ensured

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.