CN114934428B

CN114934428B - Concrete pavement maintenance device

Info

Publication number: CN114934428B
Application number: CN202210497147.0A
Authority: CN
Inventors: 田晓明
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2023-08-22
Anticipated expiration: 2042-05-09
Also published as: CN114934428A

Abstract

The invention aims at solving the problem that in the prior art, when a concrete pavement is cured, the operation of workers is complicated, and provides a concrete pavement curing device which comprises a frame body, a covering material laying mechanism and a spraying mechanism, wherein the frame body comprises a side frame I, a side frame II, a frame and a telescopic frame, and the side frame I and the side frame II are arranged in a two-to-two mode and are respectively connected with two ends of the telescopic frame; the covering material laying mechanism comprises two prismatic inserted bars and a covering coiled material, the two inserted bars are respectively connected to the two side frames in a rotating mode, a scroll is arranged at one end of the covering coiled material, and slots matched with the inserted bars in shape are respectively formed at two ends of the scroll; the spraying mechanism comprises a flexible spraying pipe, one end of the spraying pipe is a blind end and is arranged on the first side frame, the other end of the spraying pipe is fixedly connected to the second side frame, and a plurality of water outlets which are uniformly distributed along the length direction of the pipe are formed in the pipe wall of the spraying pipe. The covering coiled materials are conveniently and regularly paved and collected, and the workload required by workers in paving can be reduced.

Description

Concrete pavement maintenance device

Technical Field

The invention relates to the field of concrete pavement construction, in particular to a concrete pavement maintenance device.

Background

And the concrete pavement needs maintenance after finishing the pavement or the soft-work anti-slip structure. The various concrete pavements, bridge decks and access boards which are paved mechanically are preferably cured by spraying curing agents and simultaneously preserving moisture and covering. The water sprinkling wet maintenance mode of covering the moisturizing film, the geotechnical felt, the geotechnical cloth, the gunny bag, the grass curtain and the like can be adopted.

When spraying water or curing agent and laying covering coiled materials, manual operation is often needed and is carried out separately, and the operation of workers is complex. When the covering coiled material is retracted after curing, the coiled material is difficult to retract regularly, and the workload of the ending stage of construction is increased.

Disclosure of Invention

The invention aims to solve the problem that the operation of workers is complicated when the concrete pavement is maintained in the prior art, and provides a concrete pavement maintenance device.

The technical aim of the invention is realized by the following technical scheme:

the concrete pavement maintenance device comprises a frame body, a covering material laying mechanism and a spraying mechanism, wherein the frame body comprises a first side frame, a second side frame, a frame and a telescopic frame, the frame is respectively arranged at the bottom ends of the two side frames, the telescopic frame stretches in the horizontal direction, and the first side frame and the second side frame are arranged in a two-to-two mode and are respectively connected with two ends of the telescopic frame; the covering material laying mechanism comprises two prismatic inserted bars and a covering coiled material, the two inserted bars are respectively connected to the two side frames in a rotating mode, the geometric axes and the rotating axes of the two inserted bars are coincident and parallel to the extending and contracting direction of the extending and contracting frame, a reel is arranged at one end of the covering coiled material, and slots matched with the shapes of the inserted bars are respectively formed at two ends of the reel; the spraying mechanism comprises a flexible spraying pipe, one end of the spraying pipe is a blind end and is arranged on the first side frame, the other end of the spraying pipe is provided with a connecting pipe head used for connecting a water supply device, the connecting pipe head is fixedly connected to the second side frame, and the pipe wall of the spraying pipe is provided with a plurality of water outlets uniformly distributed along the length direction of the pipe.

By adopting the technical scheme, the side frame and the telescopic frame are utilized to form the gate-type frame body with adjustable width, when the frame body is erected on a road surface, the spraying mechanism and the covering material paving mechanism can be suspended above the road surface, the covering coiled material is rotated to loosen along with the movement of the frame body along the length direction of the road surface, the material can be uniformly paved on the road surface, meanwhile, water or curing agent is uniformly sprayed on the road surface and the covering material through the water outlet holes on the spraying pipes, so that the required workload of workers for paving can be greatly reduced, when the covering material is recycled after curing is completed, the winding of the covering material can be realized by only connecting the scroll to the frame body, moving the frame body in the opposite direction and rotating the inserting rod, the covering coiled material is conveniently folded, the workload of workers is further reduced, the recycling of the covering coiled material is also convenient, in addition, the friction between the road surface and the material and the spraying pipes in the movement process can be reduced, and the spraying pipes can be protected, and the service life of the spraying pipes can be prolonged. The telescopic frame is adopted to adapt to pavement with different widths and covering coiled materials with corresponding widths, and the inserting rod and the scroll can be separated or spliced by extending or shortening the telescopic frame, so that the covering coiled materials can be conveniently installed and disassembled; in addition, the expansion bracket is shortened to the shortest time, so that the occupied area of the equipment can be greatly reduced, and the equipment is convenient to transport and store.

Preferably, the spraying mechanism further comprises a winding pipe barrel, the winding pipe barrel is rotatably connected to the first side frame, the blind end of the spraying pipe is fixedly connected to the circumferential wall of the winding pipe barrel, and the length of the spraying pipe is not smaller than the length of the telescopic frame when the telescopic frame is extended to the longest.

By adopting the technical scheme, the length of the spray pipe between the two side frames can be adjusted according to the length of the telescopic frame, and the redundant spray pipe is wound on the winding pipe barrel, so that the spray pipe is prevented from being excessively long to contact with a road surface and is placed in disorder.

Preferably, the shower pipe also comprises a stop mechanism arranged between the blind end of the shower pipe and the connecting pipe head, the stop mechanism comprises a fixed seat fixedly connected to the first side frame and a clamping rod fixedly connected to the fixed seat in a sliding manner, and the shower pipe is positioned between the fixed seat and the clamping rod; the fixing seat is fixedly connected with two parallel arrangement's support slide bars, the support slide bar is kept away from the fixed limiting plate that is provided with of one end of fixing seat, rotates between fixing seat and the limiting plate and is provided with the lead screw, the axis of rotation and the bracing piece of lead screw are parallel, set up on the clamp lever with support slide bar looks adaptation's slide hole and support the slide bar and be located the slide hole, the clamp lever with lead screw threaded connection.

By adopting the technical scheme, the spray pipe can be clamped or discharged by utilizing the fixing and sliding of the clamping rod, and the clamping part can seal the spray pipe, so that part of the spray pipe wound on the winding pipe barrel is not communicated with water, thereby avoiding water leakage in the area where the spray pipe is not hovered above the road surface, and reducing waste. The supporting slide rod is used for supporting the clamping rod to slide, the clamping rod can move up and down and be fixed through the self-locking function of the screw rod, and the limiting plate is used for supporting the screw rod, stably supporting the slide rod and preventing the clamping rod from slipping.

Preferably, the expansion bracket comprises two parallel shearing fork mechanisms which are arranged side by side, the two shearing fork mechanisms are connected through a plurality of shaft rods, the shaft rods are fixedly arranged at the hinge shaft parts of the end parts of the shearing fork arms, and the spray pipe penetrates through between the two shearing fork mechanisms and is lapped on the shaft rods.

By adopting the technical scheme, the telescopic function of the telescopic frame is realized by utilizing the shearing fork mechanisms, the two shearing fork mechanisms are arranged to ensure that the rigidity of the telescopic frame is better, the structure is more stable, the spray pipe is lapped on the shaft lever, and the shaft lever can be utilized to support the spray pipe.

Preferably, the ground engaging device further comprises a driving mechanism for driving the inserted link to rotate, the driving mechanism comprises a wheel frame which is slidably connected on the side frame in the vertical direction, a travelling wheel which is rotatably connected on the wheel frame, a synchronous assembly and a compression spring, the rotation axis of the travelling wheel is parallel to that of the inserted link, the travelling wheel and the inserted link are connected through the synchronous assembly and synchronously rotate, the compression spring is arranged in the vertical direction, two ends of the compression spring are respectively connected with the wheel frame and the side frame, and the wheel frame and the travelling wheel on the compression spring are pressed downwards by the compression spring so that the travelling wheel is tightly attached to the ground.

By adopting the technical scheme, the travelling wheel is pressed on the ground through the compression spring, so when the frame body is moved, the travelling wheel rotates under the action of friction force, the inserting rod and the travelling wheel synchronously rotate through the synchronous assembly, the reel is driven to rotate, the winding and unwinding of the covering material laying mechanism can be realized only by moving the frame body, the operation is further simplified, and the workload of a user is reduced. The compression spring can increase the friction force between the travelling wheel and the ground, avoid or reduce the skidding of the travelling wheel, and can ensure the contact between the travelling wheel and the ground on the uneven ground, thereby being more suitable for the environment of a construction site.

Preferably, the synchronous assembly comprises a first gear coaxially fixedly connected with the inserted link, a second gear rotationally connected with the side frame and meshed with the first gear, a second synchronous belt pulley coaxially fixedly connected with the second gear, a first synchronous belt pulley coaxially fixedly connected with the travelling wheel and a synchronous belt meshed with the first synchronous belt pulley and the second synchronous belt pulley; the circumference of the travelling wheel is provided with an annular groove coaxial with the travelling wheel, and the first synchronous belt wheel is arranged in the annular groove.

By adopting the technical scheme, the synchronous belt is used for transmission, so that the transmission efficiency is guaranteed, and the synchronous belt can adapt to a small amount of up-and-down displacement of the travelling wheels on the uneven road surface. The first synchronous belt pulley is arranged in the annular groove, so that the stress balance at the two ends of the travelling wheel is facilitated.

Preferably, the circumference of the travelling wheel is provided with an anti-skid groove.

By adopting the technical scheme, the friction coefficient between the travelling wheel and the ground is increased, and the slipping of the travelling wheel is further avoided or reduced.

Preferably, the covering material laying mechanism is arranged in parallel, the covering material laying mechanism further comprises a suspension piece detachably connected to the telescopic frame, a connecting rod groove is formed in the suspension piece, and one end of the scroll can be lapped in the connecting rod groove.

By adopting the technical scheme, two covering material laying mechanisms are arranged, two rolls of covering coiled materials can be laid simultaneously, two narrower covering coiled materials can be spliced and covered on wider pavements, and one end of the covering coiled materials, which is not contacted with the side frame, is supported by the suspension frame.

Preferably, a plurality of rollers are rotatably arranged in the connecting rod groove, the rollers are distributed along the circumferential direction of the inserted rod, the rotation axes of the rollers are parallel to the rotation axis of the inserted rod, and the rollers are contacted with the circumferential surface of each roller when the scroll is positioned in the connecting rod groove.

By adopting the technical scheme, the roller is arranged, so that the resistance of the reel in the connecting rod groove to rotate can be reduced.

Preferably, the side frame is rotatably connected with the frame, the rotation axis is vertical, and a plurality of wheels with parallel axes are rotatably arranged on the frame.

By adopting the technical scheme, the translation direction of the side frames can be locked by rotating the frame and utilizing the wheels with parallel axes, so that the side frames can be prevented from being deviated in the process of moving along the length direction of the road, the relative distance between the two side frames is changed or the whole frame body deviates from a reserved track, and the frame can be rotated when the expansion frame is required to be lengthened or shortened, so that the rotation axes of the wheels are perpendicular to the expansion direction of the expansion frame, and the two side frame members are convenient to approach or separate from each other.

The invention has the following beneficial effects:

the covering coiled material can be conveniently and regularly paved on a road surface or packed up, meanwhile, the spraying of water or curing agent can be completed in the process of paving the covering material, the workload required by workers in paving can be greatly reduced, the covering coiled material can be conveniently recycled, the service life of the covering coiled material can be prolonged, the occupied area of equipment is small, and the transportation and the storage are convenient.

Drawings

FIG. 1 is a schematic view of an embodiment of a concrete pavement maintenance apparatus according to the present invention;

FIG. 2 is a schematic side view of a concrete pavement maintenance apparatus;

FIG. 3 is a schematic view of a concrete pavement maintenance apparatus with a telescoping frame shortened;

FIG. 4 is a schematic view of a concrete pavement maintenance apparatus with two cover material laying mechanisms;

fig. 5 is an enlarged view at a in fig. 4;

fig. 6 is a schematic structural view of the suspension.

Reference numerals indicate, 100, a frame body; 110. a side frame I; 120. a side frame II; 130. a telescopic frame; 131. a shaft lever; 132. a scissors fork rod; 140. a frame; 150. a tube head fixing seat; 160. a first chute; 170. a second chute; 171. a spool; 200. a cover material laying mechanism; 210. a rod; 220. covering the coiled material; 221. a reel; 222, a step of; a slot; 300. a spraying mechanism; 310. a shower pipe; 311. a connecting tube head; 320. a spool barrel; 400. a stop mechanism; 410. a fixing seat; 420. supporting a slide bar; 430. a screw rod; 440. a clamping rod; 450. a knob; 460. a limiting plate; 500. a driving mechanism; 510. a walking wheel; 520. a wheel carrier; 530. a synchronization component; 531. a first gear; 532. a second gear; 533. a synchronous belt; 534. a second synchronous pulley; 535. a linkage gear; 540. a compression spring; 600. a suspension member; 601. a hook; 602. a link slot; 603. and (3) a roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

A concrete pavement maintenance apparatus, as shown in fig. 1 and 2, comprises a frame body 100, a covering material laying mechanism 200, a spraying mechanism 300, a stopping mechanism 400 and a driving mechanism 500.

As shown in fig. 1, the frame body 100 includes a side frame, a frame 140, and a telescopic frame 130. The side frames are provided with two side frames, namely a side frame I110 and a side frame II 120. The two frames 140 are respectively connected below the two side frames in a rotating way, the rotating axes between the two frames are vertical, and a plurality of wheels with parallel axes are rotatably arranged on the frames 140. The first side frame 110 and the second side frame 120 are arranged opposite to each other, the telescopic frame 130 stretches along the horizontal direction, and two ends of the telescopic frame 130 are respectively connected with the first side frame 110 and the second side frame 120. The telescopic frame 130 comprises two parallel and side-by-side shearing fork mechanisms, each shearing fork mechanism comprises a shearing fork rod 132 and a hinging shaft, the hinging shafts of the two shearing fork mechanisms are in one-to-one correspondence and coaxial, and the hinging shaft at the end part of the shearing fork rod 132 is connected with the corresponding hinging shaft in the other shearing fork mechanism through a shaft lever 131. The shaft rods 131 at two ends of the telescopic frame 130 are connected with the side frames, wherein the shaft rods 131 at the lower positions are fixedly connected with the side frames, the shaft rods 131 at the higher positions are used for sliding connection of the side frames, the side frames are provided with first sliding grooves 160 with the widths matched with the diameters of the shaft rods 131, the first sliding grooves 160 are arranged in the vertical direction, and the end parts of the shaft rods 131 at the higher positions are located in the first sliding grooves 160.

As shown in fig. 1, the cover material placement mechanism 200 includes a plunger 210 and a cover web 220. The two inserting rods 210 are respectively connected to the two side frames in a rotating way, and the geometric axis and the rotating axis of the two inserting rods 210 are coincident and parallel to the telescopic direction of the telescopic frame 130. The covering coiled material 220 comprises a rectangular covering material and a scroll 221, wherein one end of the covering material is fixedly connected with the circumferential surface of the scroll 221 and is rolled on the scroll 221, and in combination with fig. 5, two ends of the scroll 221 are respectively provided with slots 222 which are matched with the shapes of the inserted bars 210, and when in use, the inserted bars 210 on two side frames are respectively inserted into the slots 222 at two ends of the scroll 221. The plunger 210 is prismatic to prevent relative rotation between the spool 221 and the plunger 210. A plurality of cover rolls 220 of different widths may be provided, the width being selected to be appropriate in use according to the width of the pavement to be cured.

As shown in fig. 2, two plungers 210 in the covering material laying mechanism 200 are respectively driven to rotate by one driving mechanism 500. The driving mechanism 500 comprises a wheel frame 520 which is connected to the side frame in a sliding manner, a travelling wheel 510 which is connected to the bottom end of the wheel frame 520 in a rotating manner, a synchronizing assembly 530 and a compression spring 540. As shown in fig. 3, a second vertical sliding chute 170 is formed on the side frame, one end of the wheel frame 520 is matched with the second sliding chute 170 and is positioned in the second sliding chute 170, a vertical sliding column 171 is fixedly arranged in the second sliding chute 170, a through hole matched with the sliding column 171 is formed on the wheel frame 520, and the sliding column 171 is positioned in the through hole. The compression spring 540 is sleeved on the sliding column 171 and is positioned above the wheel frame 520, and two ends of the compression spring 540 are fixedly connected with the top wall of the sliding chute II 170 and the wheel frame 520 respectively; when the hold-down spring 540 is in a natural state, the lowest point of the road wheel 510 is lower than the lowest point of the wheel, so that the hold-down spring 540 is always in a compressed state when the road wheel 510 contacts the ground. The rotation axis of the travelling wheel 510 is parallel to the rotation axis of the plunger 210, the travelling wheel 510 and the plunger 210 are connected through the synchronization assembly 530 and rotate synchronously, the travelling wheel 510 and the ground are rotated relatively by the movement of the frame 100, so that the plunger 210 is driven to rotate, the covering coiled material 220 is wound and unwound, the diameter of the travelling wheel 510 is preferably close to the diameter of the covering coiled material 220, and the winding and unwinding length is close to the length of the equipment passing through the road surface. The synchronizing assembly 530 includes a first gear 531 coaxially fixed to the plunger 210, a second gear 532 rotatably connected to the frame and engaged with the first gear 531, a second synchronizing pulley 534 coaxially fixed to the second gear 532, a first synchronizing pulley coaxially fixed to the traveling wheel 510, and a timing belt 533, wherein the first and second synchronizing pulleys 534 are engaged with the timing belt 533, respectively. The traveling wheel 510 is provided with an annular groove coaxial therewith on a circumferential surface thereof, and the first synchronous pulley is disposed in the annular groove. The traveling wheel 510 is provided with an anti-slip groove pipe head fixing seat 150 on the circumferential surface.

As shown in fig. 1 and 2, the spraying mechanism 300 includes a spraying pipe 310 and a winding pipe barrel 320, the spraying pipe 310 is a flexible pipe, one end of the spraying pipe is a blind end, the other end is an open end, and a plurality of water outlets (not shown in the figure) uniformly distributed along the length direction of the pipe are formed in the pipe wall of the spraying pipe 310. The opening end of the spray pipe 310 is provided with a connecting pipe head 311 for connecting with a water supply device, and the connecting pipe head 311 is fixedly arranged on the side frame two 120 through a pipe head fixing seat 150. The roller tube 320 is rotatably connected to the first side frame 110, the axis of the rotating shaft of the roller tube 320 coincides with the axis of the roller tube, and the blind end of the spray tube 310 is fixedly connected to the circumferential wall of the roller tube 320. The shower pipe 310 passes between the two scissor mechanisms and rides on the lower shafts 131. The water supply device can be arranged on the side frame, for example, a water tank is arranged on the side frame, and a water pump with a water outlet connected with the connecting pipe head 311 is arranged in the water tank; the water supply device can also be a fixed pressure water source and is communicated to the connecting pipe head 311 through a water pipe.

As shown in fig. 2, the stop mechanism 400 is disposed between the blind end of the shower pipe 310 and the connection pipe head 311, and is used for stopping the shower pipe 310, the stop mechanism 400 includes a fixed seat 410 connected to the side frame one 110, two support slide bars 420 vertically and fixedly connected to the fixed seat 410, a limiting plate 460 fixedly connected to the top end of the support slide bars 420, a screw rod 430 rotatably connected between the fixed seat 410 and the limiting plate 460, and a clamping rod 440, the rotation axis of the screw rod 430 is parallel to the support rod, a slide hole adapted to the support slide bars 420 is formed in the clamping rod 440, the support slide bars 420 are located in the slide hole, the clamping rod 440 is in threaded connection with the screw rod, and a knob 450 is disposed at the top of the screw rod so as to rotate the screw rod 430. The shower pipe 310 passes between the fixing base 410 and the clamping bar 440.

When the device is used, firstly, a proper covering coiled material 220 is selected according to the width of a pavement, the device is moved to one end of the pavement to be cured, the telescopic frame 130 is lengthened, the two side frames are respectively positioned at two sides of the pavement, the distance between the two side frames is slightly larger than the length of the scroll 221, the slots 222 at two ends of the scroll 221 are aligned with the inserting rods 210, the distance between the side frames is adjusted, the inserting rods 210 are inserted into the inserting slots 222, the free end of the covering coiled material 220 is pulled out to cover the pavement, the covering coiled material is pressed and fixed by a heavy object, the water supply device is opened, the frame body 100 is moved along the length direction of the pavement, in the process, the covering coiled material 220 is continuously loosened and paved on the pavement, water or curing agent is sprayed until the covering coiled material is moved to the other end of the pavement, the telescopic frame 130 is lengthened, the scroll 221 is taken down, and when the water or the curing agent is needed to be replenished later, the water supply device is opened, and the frame body 100 is moved back and forth. After curing, the frame 100 is moved to the position of the reel 221, the reel 221 is attached to the frame 100, and the cover roll 220 is wound up while moving to the other end of the road surface. It should be noted that the frame 100 may be moved by manpower or may be driven by an existing power device, and in this embodiment, the frame is driven by manpower, and preferably two operators control the movement of two side frames at the same time, so as to ensure that the frame 100 moves stably.

As shown in fig. 1 and fig. 4, the covering material laying mechanism 200 may be provided with one covering material 220 or two covering material 220, when two covering material 220 are provided, two covering material 220 can be wound and unwound simultaneously, and the covering surface staggered opening of the two covering material 220 can cover a reset range with a larger width. The link groove 602 is rotatably provided with a plurality of rollers 603, the rollers 603 being distributed along the circumference of the plunger 210, the rotational axis of the rollers 603 being parallel to the rotational axis of the plunger 210, and the rollers 603 being in contact with the circumferential surface of each roller 603 when the spool 221 is located in the link groove 602 to reduce the resistance to rotation to be overcome. It should be noted that, a linking gear 535 may be disposed between two pins 210 on the same side frame, and the linking gear 535 is engaged with the first gears 531 corresponding to the two pins 210, so as to link the two pins 210. The width of the cover material is preferably less than the length of the spool 221, leaving sufficient space for attachment and positioning of the suspension 600.

This specific example is merely illustrative of the invention and is not intended to be limiting.

Claims

1. A concrete pavement maintenance device is characterized in that: the frame comprises a frame body (100), a covering material laying mechanism (200) and a spraying mechanism (300), wherein the frame body (100) comprises a first side frame (110), a second side frame (120), a frame (140) respectively arranged at the bottom ends of the two side frames and a telescopic frame (130) which stretches in the horizontal direction, and the first side frame (110) and the second side frame (120) are oppositely arranged and are respectively connected with two ends of the telescopic frame (130); the covering material laying mechanism (200) comprises two prismatic inserted bars (210) and a covering coiled material (220), the two inserted bars (210) are respectively connected to the two side frames in a rotating mode, the geometric axes and the rotating axes of the two inserted bars (210) are coincident and parallel to the extending and contracting direction of the extending and contracting frame (130), a scroll (221) is arranged at one end of the covering coiled material (220), and slots (222) matched with the shapes of the inserted bars (210) are respectively formed at two ends of the scroll (221); the spraying mechanism (300) comprises a flexible spraying pipe (310), one end of the spraying pipe (310) is a blind end and is arranged on the first side frame (110), the other end of the spraying pipe is provided with a connecting pipe head (311) for connecting a water supply device, the connecting pipe head (311) is fixedly connected to the second side frame (120), and the pipe wall of the spraying pipe (310) is provided with a plurality of water outlets which are uniformly distributed along the length direction of the pipe; the telescopic frame (130) comprises two parallel and side-by-side shearing fork mechanisms, the two shearing fork mechanisms are connected through a plurality of shaft rods (131), the shaft rods (131) are fixedly arranged at the hinge shafts at the end parts of the shearing fork arms, and the spray pipe (310) passes through the space between the two shearing fork mechanisms and is lapped on the shaft rods (131); the two covering material laying mechanisms (200) are arranged side by side, the covering material laying mechanisms (200) further comprise hanging pieces (600) which are detachably connected to the telescopic frames (130), connecting rod grooves (602) are formed in the hanging pieces (600), one ends of the scroll shafts (221) are arranged in the connecting rod grooves (602), the inserting rods (210) of the two covering material laying mechanisms (200) are not coaxial, first gears (531) are fixedly connected on the inserting rods (210) in a coaxial mode, linkage gears (535) are arranged between the inserting rods (210) of the two covering material laying mechanisms (200) on the same side frame, and the linkage gears (535) are meshed with the first gears (531) corresponding to the two adjacent inserting rods (210); the spraying mechanism (300) further comprises a winding pipe barrel (320), the winding pipe barrel (320) is rotatably connected to the side frame I (110), the blind end of the spraying pipe (310) is fixedly connected to the circumferential wall of the winding pipe barrel (320), and the length of the spraying pipe (310) is not smaller than the length of the telescopic frame (130) when the telescopic frame (130) is extended to the longest.

2. The concrete pavement maintenance apparatus according to claim 1, wherein: the shower pipe comprises a shower pipe body (310), a connecting pipe head (311) and a stopping mechanism (400) arranged between the blind end of the shower pipe body (310) and the connecting pipe head (311), wherein the stopping mechanism (400) comprises a fixed seat (410) fixedly connected to a side frame I (110) and a clamping rod (440) fixedly connected to the fixed seat (410) in a sliding manner, and the shower pipe body (310) is arranged between the fixed seat (410) and the clamping rod (440); two parallel arrangement's support slide bar (420) are fixedly connected with on fixing base (410), support slide bar (420) and keep away from fixing base (410) one end fixedly provided with limiting plate (460), rotate between fixing base (410) and limiting plate (460) and be provided with lead screw (430), the axis of rotation and the bracing piece of lead screw (430) are parallel, set up on clamp lever (440) with support slide bar (420) looks adaptation slide hole and support slide bar (420) and be located the slide hole, clamp lever (440) with lead screw (430) threaded connection.

3. The concrete pavement maintenance apparatus according to claim 1, wherein: still include drive inserted bar (210) pivoted actuating mechanism (500), actuating mechanism (500) are including along wheel carrier (520) on the side frame of vertical direction sliding connection, rotate walking wheel (510) of connecting on wheel carrier (520), synchronization component (530) and hold-down spring (540), the axis of rotation of walking wheel (510) is parallel with the axis of rotation of inserted bar (210), and walking wheel (510) and inserted bar (210) are connected and synchronous rotation through synchronization component (530), hold-down spring (540) set up along vertical direction and its both ends are connected with wheel carrier (520) and side frame respectively, and hold-down spring (540) oppress wheel carrier (520) and last walking wheel (510) thereof downwards and make walking wheel (510) and ground hug closely.

4. A concrete pavement maintenance apparatus according to claim 3, wherein: the synchronous assembly (530) comprises a first gear (531) coaxially fixedly connected with the inserted link (210), a second gear (532) rotationally connected with the side frame and meshed with the first gear (531), a second synchronous pulley (534) coaxially fixedly connected with the second gear (532), a first synchronous pulley coaxially fixedly connected with the travelling wheel (510) and a synchronous belt (533) meshed with the first synchronous pulley and the second synchronous pulley (534); an annular groove coaxial with the traveling wheel (510) is formed in the circumferential surface of the traveling wheel, and the first synchronous belt wheel is arranged in the annular groove.

5. A concrete pavement maintenance apparatus according to claim 3, wherein: the circumference of the travelling wheel (510) is provided with an anti-skid groove.

6. The concrete pavement maintenance apparatus according to claim 1, wherein: the connecting rod groove (602) is rotationally provided with a plurality of rollers (603), the rollers (603) are circumferentially distributed along the inserted rod (210), the rotation axis of the rollers (603) is parallel to the rotation axis of the inserted rod (210), and the rollers (603) are contacted with the circumferential surface of each roller (221) when the scroll (221) is positioned in the connecting rod groove (602).

7. The concrete pavement maintenance apparatus according to claim 1, wherein: the side frames are rotatably connected with the frame (140) and have vertical rotation axes, and a plurality of wheels with parallel axes are rotatably arranged on the frame (140).