CN108999133B - Highway pavement repairing method - Google Patents
Highway pavement repairing method Download PDFInfo
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- CN108999133B CN108999133B CN201810892921.1A CN201810892921A CN108999133B CN 108999133 B CN108999133 B CN 108999133B CN 201810892921 A CN201810892921 A CN 201810892921A CN 108999133 B CN108999133 B CN 108999133B
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- road surface
- steel needle
- frame
- repairing
- leveling plate
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 64
- 239000010959 steel Substances 0.000 claims abstract description 64
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000010426 asphalt Substances 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910001029 Hf alloy Inorganic materials 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000012492 regenerant Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000003449 preventive effect Effects 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 8
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000011384 asphalt concrete Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 238000005498 polishing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
- E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/096—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating and filling
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F11/00—Road engineering aspects of Embedding pads or other sensitive devices in paving or other road surfaces, e.g. traffic detectors, vehicle-operated pressure-sensitive actuators, devices for monitoring atmospheric or road conditions
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Road Repair (AREA)
- Road Paving Machines (AREA)
Abstract
The invention belongs to the field of pavement restoration, and particularly relates to a highway pavement restoration method, which comprises a vibrator, a connecting block, a frame, a handle, an electromagnetic coil, a steel needle and a leveling plate, wherein two adjacent spliced frames are connected by the connecting block; a vibrator is arranged above the connecting block; an electromagnetic coil is arranged below the frame and connected with the steel needle; the electromagnetic coil is used for heating the steel needle; the steel needle is positioned below the electromagnetic coil; the bottom of the frame is provided with a leveling plate connected with a spring; the leveling plate is provided with a through hole, and the lifting modules are arranged between the two sides of the leveling plate and the frame and used for realizing the up-and-down movement of the leveling plate; the pavement repairing device used in the invention can realize preventive repair of the pavement by using the splicing type leveling plate to match with the high-frequency heating steel needle.
Description
Technical Field
The invention belongs to the field of pavement repair, and particularly relates to a highway pavement repair method.
Background
According to statistics of relevant data, the manufacturing cost of the asphalt concrete pavement accounts for 1/4-1/3 of the total manufacturing cost of the highway, most of the maintenance cost is applied to the pavement, and the common technical and quality problems of the asphalt concrete pavement are mainly two points. Firstly, the durability is poor, and the longer life of domestic asphalt concrete road surface is 8 ~ 12 years at present, and the universal shortfall is in design life 15 ~ 20 years, and because of natural environment and running condition are bad, some road surfaces need whole renovation transformation even 3 ~ 5 years promptly. Secondly, the early damage of the road surface is serious. Some new roads are required to be maintained 1-3 years after being opened and 6-8 years after being opened due to defects of pit grooves, cracks, tracks, insufficient anti-skid performance and the like. Preventive maintenance is a systematic method that employs a series of maintenance measures during the life cycle of the asphalt concrete road. Preventive maintenance measures can improve road conditions, improve driving quality, prolong the service life of the road surface and reduce life cycle cost, and an economical and effective mode is used for prolonging the service life of the road surface and improving the performance of a road system.
Also some road surface prosthetic devices have appeared among the prior art, and some chinese patents of going into application number 2017201106036 disclose a road surface prosthetic device, including frame and the roller of polishing, fixed surface installs the fan on the front end of frame, fan fixed connection is in the tuber pipe, the last fixed surface of frame is connected in the bottom of branch, the top fixed connection of branch is in the limiting plate, the locating lever has been cup jointed in the middle of the limiting plate in the slip, locating lever fixed connection is in the support, the bottom swing joint of support is in the both ends of pivot on the roller of polishing, the one end fixedly connected with of the roller of polishing is from the driving wheel, connect in the action wheel through the drive belt from the driving wheel, action wheel fixed connection is in the output pivot of motor, the lower fixed surface of frame installs the thermal-arrest cover, fixedly connected with electric plate. The technical scheme can solve the problem of repairing the road surface, but the planed asphalt wastes resources and pollutes the environment.
The invention provides a highway pavement repairing method, and the pavement repairing device in the method can realize preventive repair of the pavement by using a splicing leveling plate and matching a high-frequency heating steel needle.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a highway pavement repairing method, wherein a pavement repairing device used in the method pushes the device to the position above a pavement to be repaired through a handle, and the splicing number of frames and leveling plates to be spliced is selected according to the size of the pavement to be repaired; after splicing is completed, a power supply of the device is started, the electromagnetic coil is electrified to heat the steel needle at high frequency, the heated steel needle penetrates through a through hole formed in the leveling plate to melt asphalt within a contact range, and meanwhile, the leveling plate moves up and down through the lifting module to realize leveling and repairing of the asphalt pavement by the leveling plate; the cam among the lifting module passes through motor drive and takes place to rotate to the gyro wheel of extrusion and cam contact makes connecting rod left end reciprocating motion from top to bottom, thereby drives and connecting rod articulated lifter reciprocating motion from top to bottom, and then drives the periodic extrusion bituminous paving of flattening board, makes the prosthetic planarization in road surface improve.
The technical scheme adopted by the invention for solving the technical problems is as follows: a highway pavement repairing method comprises the following steps:
the method comprises the following steps: cleaning dirt and dust on the road surface to be repaired by using high-pressure water by using a water gun;
step two: after cleaning a road surface, heating the road surface by using a road surface repairing device, and primarily repairing the road surface;
step three: after the pavement is heated in the step two, spraying an asphalt regenerant;
step four: after spraying in the third step is finished and is kept for a period of time, the pavement is finally repaired by using a pavement repairing device;
the pavement repairing device comprises a vibrator, a connecting block, a frame, a handle, an electromagnetic coil, a steel needle and a leveling plate, wherein the two adjacent spliced frames are connected by the connecting block; walking wheels are arranged on two sides of the frame positioned on the outer side, and a vibrator is arranged above the connecting block; an electromagnetic coil is arranged below the frame and connected with the steel needle; the electromagnetic coil is used for heating the steel needle; the steel needle is positioned below the electromagnetic coil; the bottom of the frame is provided with a leveling plate connected with a spring; the leveling plate is provided with a through hole, and the through hole can accommodate a steel needle to pass through; a lifting module is arranged between the leveling plate and the frame and is used for realizing the up-and-down movement of the leveling plate; handles are arranged at two ends of the frame. When the device is used, the device is pushed to the position above a road surface to be repaired through the handle, and the splicing number of the frame and the leveling plate to be spliced is selected according to the size of the road surface to be repaired; after the concatenation is accomplished, the power of opening device, solenoid circular telegram high frequency heating steel needle, the steel needle after the heating passes the through-hole that sets up on the flattening board and melts the pitch in the contact range, makes the flattening board up-and-down motion through lifting module simultaneously, realizes that the flattening board is restoreed to bituminous paving's flattening.
Preferably, the lifting module comprises a lifting rod, a first connecting rod, a second connecting rod and a cam, a through groove is formed in the frame, one end of the lifting rod, which penetrates through the through groove, is connected with the leveling plate, and the other end of the lifting rod is hinged to the right end of the first connecting rod; the middle part of the first connecting rod is hinged with the end of the second connecting rod, and the bottom of the second connecting rod is fixedly connected to the frame; the left end of the first connecting rod is hinged with a roller; the roller is in contact with a cam below, the cam is oval, and the cam is driven by an output shaft of the motor. During the use, the cam passes through motor drive and takes place to rotate to the gyro wheel of extrusion and cam contact makes connecting rod left end reciprocating motion from top to bottom, thereby drives and connecting rod articulated lifter reciprocating motion from top to bottom, and then drives the periodic extrusion bituminous paving of flattening board, makes the prosthetic planarization in road surface improve.
Preferably, the lifting rod is sleeved with a limiting plate, and the bottom of the limiting plate is fixedly connected with the first spring. During the use, when the lifter during downstream under the effect of connecting rod, limiting plate on the lifter can compress first spring, and when the lifter returned the position after descending, first spring returned the bullet and made its faster reply to increase the whereabouts number of times in the unit interval of flattening board, and then improve the efficiency that the road surface was restoreed to the device.
Preferably, a high-temperature-resistant elastic sleeve is arranged in the through hole. During the use, the steel needle after solenoid heats passes the through-hole of flattening board and melts the pitch of contact range, sets up in the through-hole elastic sleeve on the one hand and can avoid the pitch after melting to crowd in the through-hole, and on the other hand can be to its cleanness when the steel needle passes the elastic sleeve.
Preferably, fine needles are circumferentially and uniformly distributed in the through hole, and the tail parts of the fine needles are connected to the inner wall of the through hole through springs. When in use, the fine needles which are uniformly distributed in the circumferential direction are elastically arranged in the through hole, so that the through hole can be sealed when the steel needle passes through the through hole; meanwhile, the fine needle can clean the steel needle in the up-and-down movement process of the leveling plate.
Preferably, the section of the steel needle is pentagonal. During the use, the area of contact that steel needle and pitch can be increased to the cross-section of steel needle establishes to pentagon for the pitch in steel needle contact range is faster melts, thereby improves road surface prosthetic efficiency.
Preferably, the material of the fine needle is one of hafnium alloy or graphite. When the fine needle is used, the fine needle made of hafnium alloy or graphite has the advantages of high melting point and good heat resistance, so that the fine needle is prevented from being heated and deformed when contacting with a heated steel needle, and the service life of the fine needle is prolonged.
Preferably, the inner wall of the through hole is provided with a temperature sensor, and the temperature sensor is connected with the controller. When the electromagnetic heating device is used, the optimal temperature range of the steel needle heated by electrifying the electromagnetic coil is 130-200 ℃, when the temperature exceeds the upper limit of the range, the sensor feeds back to the controller, and the controller controls the electromagnetic coil to be powered off and stopped, so that energy is saved; the melting point of the asphalt is 485 ℃, and when the electromagnetic coil heats the steel needle to 130-200 ℃, the asphalt achieves the best plastic effect.
The invention has the following beneficial effects:
1. the invention relates to a highway pavement repairing method, wherein a pavement repairing device used in the method pushes the device to the position above a pavement to be repaired through a handle, and the splicing number of frames and leveling plates to be spliced is selected according to the size of the pavement to be repaired; after splicing is completed, a power supply of the device is started, the electromagnetic coil is electrified to heat the steel needle at high frequency, the heated steel needle penetrates through a through hole formed in the leveling plate to melt asphalt within a contact range, and meanwhile, the leveling plate moves up and down through the lifting module to realize leveling and repairing of the asphalt pavement by the leveling plate; the cam among the lifting module passes through motor drive and takes place to rotate to the gyro wheel of extrusion and cam contact makes connecting rod left end reciprocating motion from top to bottom, thereby drives and connecting rod articulated lifter reciprocating motion from top to bottom, and then drives the periodic extrusion bituminous paving of flattening board, makes the prosthetic planarization in road surface improve.
2. According to the method for repairing the pavement of the expressway, the limiting plate and the first spring are arranged in the pavement repairing device, when the lifting rod moves downwards under the action of the first connecting rod, the limiting plate on the lifting rod can compress the first spring, and when the lifting rod returns to the position after descending, the first spring rebounds to enable the lifting rod to return faster, so that the falling frequency of the leveling plate in unit time is increased, and the pavement repairing efficiency of the device is improved.
3. According to the highway pavement repairing method, the elastic sleeve or the uniformly distributed fine needles are arranged in the through hole, when the steel needle heated by the electromagnetic coil penetrates through the through hole of the leveling plate to melt asphalt within a contact range, the elastic sleeve or the uniformly distributed fine needles can prevent the melted asphalt from being extruded into the through hole on one hand, and can clean the steel needle when the steel needle penetrates through the elastic sleeve on the other hand.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a front view of a pavement restoration device used in the present invention;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a partial enlarged view of the elastic sleeve at A in FIG. 2;
FIG. 5 is a partially enlarged view of the portion A in FIG. 2 and a schematic structural view of the fine needle;
FIG. 6 is a cross-sectional view B-B of FIG. 5;
in the figure: the device comprises a vibrator 1, a connecting block 2, a frame 3, a handle 4, an electromagnetic coil 5, a steel needle 6, a leveling plate 7, a through hole 71, a lifting module 8, a lifting rod 81, a first connecting rod 82, a second connecting rod 83, a cam 84, a roller 85, a limiting plate 86, a first spring 87, an elastic sleeve 9 and a fine needle 10.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the method for repairing a highway pavement according to the present invention comprises the following steps:
the method comprises the following steps: cleaning dirt and dust on the road surface to be repaired by using high-pressure water by using a water gun;
step two: after cleaning a road surface, heating the road surface by using a road surface repairing device, and primarily repairing the road surface;
step three: after the pavement is heated in the step two, spraying an asphalt regenerant;
step four: after spraying in the third step is finished and is kept for a period of time, the pavement is finally repaired by using a pavement repairing device;
the pavement repairing device comprises a vibrator 1, a connecting block 2, a frame 3, a handle 4, an electromagnetic coil 5, a steel needle 6 and a leveling plate 7, wherein the two adjacent spliced frames 3 are connected by the connecting block 2; the two sides of the frame 3 positioned at the outer side are provided with walking wheels; a vibrator 1 is arranged above the connecting block 2; an electromagnetic coil 5 is arranged below the frame 3, and the electromagnetic coil 5 is connected with a steel needle 6; the electromagnetic coil 5 is used for heating the steel needle 6; the steel needle 6 is positioned below the electromagnetic coil 5; the bottom of the frame 3 is provided with a leveling plate 7 connected with a spring; the leveling plate 7 is provided with a through hole 71, and the through hole 71 can accommodate the steel needle 6 to pass through; the lifting module 8 is arranged between the two sides of the leveling plate 7 and the frame 3, and the lifting module 8 is used for realizing the up-and-down movement of the leveling plate 7; and handles 4 are arranged at two ends of the frame 3. When in use, the device is pushed to the position above the road surface to be repaired through the handle 4, and the splicing number of the frame 3 and the leveling plate 7 to be spliced is selected according to the size of the road surface to be repaired; after the concatenation is accomplished, the power of opening device, solenoid 5 circular telegram high frequency heating steel needle 6, the steel needle 6 after the heating passes through the through-hole 71 that sets up on the flattening board 7 and melts the pitch in the contact range, makes flattening board 7 up-and-down motion through lifting module 8 simultaneously, realizes that flattening board 7 is restoreed the flattening of bituminous paving.
As an embodiment of the present invention, the lifting module 8 includes a lifting rod 81, a first connecting rod 82, a second connecting rod 83 and a cam 84, a through slot is provided on the frame 3, one end of the lifting rod 81 passing through the through slot is connected to the leveling plate 7, and the other end of the lifting rod 81 is hinged to the right end of the first connecting rod 82; the middle part of the first connecting rod 82 is hinged with the end of the second connecting rod 83, and the bottom of the second connecting rod 83 is fixedly connected to the frame 3; the left end of the first connecting rod 82 is hinged with a roller 85; the roller 85 is in contact with a lower cam 84, the cam 84 is oval, and the cam 84 is driven by the motor output shaft. During the use, cam 84 passes through motor drive and takes place to rotate to the gyro wheel 85 of extrusion and cam 84 contact makes a connecting rod 82 left end reciprocating motion from top to bottom, thereby drives and a connecting rod 82 articulated lifter 81 reciprocating motion from top to bottom, and then drives screed 7 periodic extrusion bituminous paving, makes the prosthetic planarization in road surface improve.
As an embodiment of the present invention, a limiting plate 86 is sleeved on the lifting rod 81, and the bottom of the limiting plate 86 is fixedly connected with a first spring 87. During the use, when the lifter 81 moves down under the effect of connecting rod 82, the limiting plate 86 on the lifter 81 can compress first spring 87, when the lifter 81 descends the back and returns the position, first spring 87 returns the bullet and makes its faster recovery to increase the whereabouts number of times of screed 7 in the unit interval, and then improve the efficiency that the road surface was restoreed to the device.
In one embodiment of the present invention, a high temperature resistant elastic sleeve 9 is disposed in the through hole 71. When the device is used, when the steel needle 6 heated by the electromagnetic coil 5 penetrates through the through hole 71 of the leveling plate 7 to melt asphalt within a contact range, the elastic sleeve 9 is arranged in the through hole 71, so that the melted asphalt can be prevented from being extruded into the through hole 71, and the steel needle 6 can be cleaned when penetrating through the elastic sleeve 9.
As an embodiment of the invention, fine needles 10 are uniformly distributed in the circumferential direction in the through hole 71, and the tail parts of the fine needles 10 are connected to the inner wall of the through hole 71 through springs. When in use, the thin needles 10 which are uniformly distributed in the circumferential direction are elastically arranged in the through hole 71, so that the through hole 71 can be sealed when the steel needle 6 passes through the through hole 71; at the same time, the fine needle 10 can clean the steel needle 6 during the up-and-down movement of the screed 7.
In one embodiment of the present invention, the cross-sectional shape of the steel needle 6 is pentagonal. During the use, the area of contact that steel needle 6 and pitch can be increased to pentagonal is established to the cross-section of steel needle 6 for the pitch of steel needle 6 contact range is faster to be melted, thereby improves road surface prosthetic efficiency.
In an embodiment of the present invention, the material of the fine needle 10 is one of hafnium alloy or graphite. When in use, the fine needle 10 made of hafnium alloy or graphite has the advantages of high melting point and good heat resistance, thereby avoiding the fine needle 10 from deforming when contacting the heated steel needle 6, and further prolonging the service life of the fine needle 10.
In one embodiment of the present invention, a temperature sensor is disposed on an inner wall of the through hole 71, and the temperature sensor is connected to the controller. When the electromagnetic heating device is used, the electromagnetic coil 5 is electrified to heat the steel needle 6 to the optimal temperature range of 130-200 ℃, when the temperature exceeds the upper limit of the range, the sensor feeds back to the controller, and the controller controls the electromagnetic coil 5 to be powered off and stopped, so that energy is saved. The melting point of the asphalt is 485 ℃, and when the electromagnetic coil 5 heats the steel needle 6 to 130-200 ℃, the optimal plastic effect of the asphalt is achieved.
When in use, the device is pushed to the position above the road surface to be repaired through the handle 4, and the splicing number of the frame 3 and the leveling plate 7 to be spliced is selected according to the size of the road surface to be repaired; after splicing is completed, a power supply of the device is started, the electromagnetic coil 5 is electrified to heat the steel needle 6 at high frequency, the heated steel needle 6 penetrates through a through hole 71 formed in the leveling plate 7 to melt asphalt within a contact range, and meanwhile, the leveling plate 7 moves up and down through the lifting module 8 to realize leveling and repairing of the asphalt pavement by the leveling plate 7; the cam 84 in the lifting module 8 is driven by a motor to rotate, so that the roller 85 in contact with the cam 84 is extruded, the left end of the first connecting rod 82 reciprocates up and down, the lifting rod 81 hinged with the first connecting rod 82 is driven to reciprocate up and down, the leveling plate 7 is driven to periodically extrude the asphalt pavement, and the pavement repairing smoothness is improved; meanwhile, when the lifting rod 81 moves downwards under the action of the first connecting rod 82, the limiting plate 86 on the lifting rod 81 compresses the first spring 87, and when the lifting rod 81 returns to the position after descending, the first spring 87 rebounds to restore the position more quickly, so that the falling frequency of the leveling plate 7 in unit time is increased, and the pavement repairing efficiency of the device is improved; when the steel needle 6 heated by the electromagnetic coil 5 passes through the through hole 71 of the leveling plate 7 to melt asphalt within the contact range, the elastic sleeve 9 or the uniformly distributed fine needles 10 arranged in the through hole 71 can prevent the melted asphalt from being extruded into the through hole 71 on one hand, and can clean the steel needle 6 when the steel needle passes through the elastic sleeve 9 on the other hand; meanwhile, the fine needle 10 made of hafnium alloy or graphite has the advantages of high melting point and good heat resistance, so that the fine needle 10 is prevented from deforming when being heated when contacting the heated steel needle 6, and the service life of the fine needle 10 is prolonged; the cross section of the steel needle 6 is pentagonal, so that the contact area of the steel needle 6 and asphalt can be increased, and the pavement repairing efficiency is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A highway pavement repairing method is characterized by comprising the following steps:
the method comprises the following steps: cleaning dirt and dust on the road surface to be repaired by using high-pressure water by using a water gun;
step two: after cleaning a road surface, heating the road surface by using a road surface repairing device, and primarily repairing the road surface;
step three: after the pavement is heated in the step two, spraying an asphalt regenerant;
step four: after spraying in the third step is finished and is kept for a period of time, the pavement is finally repaired by using a pavement repairing device;
the pavement repairing device comprises a vibrator (1), a connecting block (2), a frame (3), a handle (4), an electromagnetic coil (5), a steel needle (6) and a leveling plate (7), wherein the two adjacent spliced frames (3) are connected through the connecting block (2); walking wheels are arranged on two sides of the frame (3) positioned on the outer side, and a vibrator (1) is arranged above the connecting block (2); an electromagnetic coil (5) is arranged below the frame (3), and the electromagnetic coil (5) is connected with a steel needle (6); the electromagnetic coil (5) is used for heating the steel needle (6); the steel needle (6) is positioned below the electromagnetic coil (5); the bottom of the frame (3) is provided with a leveling plate (7) connected with a spring; the leveling plate (7) is provided with a through hole (71), and the through hole (71) can accommodate a steel needle (6) to pass through; a lifting module (8) is arranged between the leveling plate (7) and the frame (3), and the lifting module (8) is used for realizing the up-and-down movement of the leveling plate (7); handles (4) are arranged at two ends of the frame (3).
2. The method for repairing a road surface of an expressway according to claim 1, wherein: the lifting module (8) comprises a lifting rod (81), a first connecting rod (82), a second connecting rod (83) and a cam (84), a through groove is formed in the frame (3), the lifting rod (81) penetrates through one end of the through groove to be connected with the leveling plate (7), and the other end of the lifting rod (81) is hinged to the right end of the first connecting rod (82); the middle part of the first connecting rod (82) is hinged with the end of the second connecting rod (83), and the bottom of the second connecting rod (83) is fixedly connected to the frame (3); the left end of the first connecting rod (82) is hinged with a roller (85); the roller (85) is in contact with a lower cam (84), the cam (84) is oval, and the cam (84) is driven by an output shaft of the motor;
a limiting plate (86) is sleeved on the lifting rod (81), and the bottom of the limiting plate (86) is fixedly connected with a first spring (87).
3. The method for repairing a road surface of an expressway according to claim 1, wherein: a high-temperature resistant elastic sleeve (9) is arranged in the through hole (71).
4. The method for repairing a road surface of an expressway according to claim 1, wherein: be equipped with thin needle (10) of circumference equipartition in through-hole (71), thin needle (10) afterbody passes through spring coupling on through-hole (71) inner wall.
5. The method for repairing a road surface of an expressway according to claim 1, wherein: the section of the steel needle (6) is pentagonal.
6. The method for repairing a road surface of an expressway according to claim 4, wherein: the material of the fine needle (10) is one of hafnium alloy or graphite.
7. The method for repairing a road surface of an expressway according to claim 1, wherein: and a temperature sensor is arranged on the inner wall of the through hole (71), and the temperature sensor is connected with the controller.
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| CN110258248A (en) * | 2019-06-21 | 2019-09-20 | 张唤裕 | A kind of system on expressway pavement maintenance pitch prosthetic device |
| CN112502003B (en) * | 2020-10-12 | 2021-12-10 | 苏超群 | Road bridge roadbed maintenance device with cleaning and repairing functions |
| CN114395967B (en) * | 2022-02-23 | 2023-05-12 | 中铁十九局集团第三工程有限公司 | Cold joint sequential heating device for asphalt pavement |
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| US5080524A (en) * | 1989-11-03 | 1992-01-14 | Lee Chin | Asphalt road resurfacing machine |
| CN201144384Y (en) * | 2007-12-29 | 2008-11-05 | 张�诚 | Asphalt pavement regenerate repairer |
| CN103015303B (en) * | 2012-12-13 | 2015-06-03 | 华南理工大学 | Construction method for restoring surface structure and cracks on asphalt pavement |
| CN104452533B (en) * | 2014-12-01 | 2016-08-24 | 长安大学 | A raking device that heats up old asphalt concrete at the same time |
| CN106245508B (en) * | 2016-08-04 | 2018-07-20 | 浙江胜元环境建设有限公司 | A kind of free removal structural destruction bituminous paving restorative procedure |
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