CN111021216A - An airport asphalt pavement maintenance method - Google Patents
An airport asphalt pavement maintenance method Download PDFInfo
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- CN111021216A CN111021216A CN201911404499.1A CN201911404499A CN111021216A CN 111021216 A CN111021216 A CN 111021216A CN 201911404499 A CN201911404499 A CN 201911404499A CN 111021216 A CN111021216 A CN 111021216A
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- asphalt pavement
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- maintaining
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- 239000010426 asphalt Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012423 maintenance Methods 0.000 title abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 61
- 239000004575 stone Substances 0.000 claims abstract description 58
- 239000000839 emulsion Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 230000007480 spreading Effects 0.000 claims abstract description 8
- 238000003892 spreading Methods 0.000 claims abstract description 8
- 239000012466 permeate Substances 0.000 claims abstract description 6
- 230000008859 change Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 23
- 238000003860 storage Methods 0.000 claims description 19
- 230000001360 synchronised effect Effects 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 241001417527 Pempheridae Species 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 230000000754 repressing effect Effects 0.000 claims description 6
- 238000010408 sweeping Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 8
- 239000007921 spray Substances 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000002199 base oil Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical group 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000007903 penetration ability Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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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
- 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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention discloses a method for maintaining an airport asphalt pavement, which comprises the following steps: s1: marking a plurality of circles with equal areas on the damaged asphalt pavement in sequence; s2: injecting engineering emulsions with different proportions into the circle; s3: observing the change of the asphalt pavement in each circle, and selecting the optimal spreading amount; s4: quantitatively and uniformly spraying the engineering emulsion on the surface of the asphalt pavement; s5: standing for 20-30min to make the engineering emulsion completely permeate into the asphalt pavement; s6: uniformly spreading fine stones on the surface of the asphalt pavement; s7: rolling fine stone materials, fully filling capillary cracks, and simultaneously wrapping and absorbing redundant engineering emulsion; s8: and cleaning the fine stone material which has absorbed the emulsion by using a cleaning device. The invention has the following advantages and effects: by spraying the engineering emulsion, the light fraction is supplemented for the aged asphalt, the net crack self-healing of the asphalt pavement is realized, the construction period is shortened, and the maintenance and construction process is easier and more convenient.
Description
Technical Field
The invention relates to the field of pavement maintenance, in particular to a method for maintaining an asphalt pavement of an airport.
Background
During the use of the road, the road surface is affected by rolling, impact, abrasion, weather change and the like of the running vehicles, so that defects and damages are often generated, and the defects and the damages are collectively called as road surface damages. In order to prevent road surface damage and maintain good road surface technical conditions, maintenance work is usually required to be regularly carried out on the road surface.
The conventional airport pavement is usually asphalt pavement, when the asphalt pavement is in use, the crack phenomenon often occurs, at the moment, the whole asphalt pavement is usually removed, and then a new asphalt pavement is paved again. The maintenance method has long construction period, and the maintenance construction process is inconvenient and needs to be improved.
Disclosure of Invention
The invention aims to provide an airport asphalt pavement maintenance method which has the effect of conveniently maintaining a pavement.
The technical purpose of the invention is realized by the following technical scheme: an airport asphalt pavement maintenance method comprises the following steps:
s1: marking a plurality of circles with equal areas on the damaged asphalt pavement in sequence;
s2: injecting engineering emulsions with different proportions into the circle;
s3: observing the change of the asphalt pavement in each circle, and selecting the optimal spreading amount;
s4: quantitatively and uniformly spraying the engineering emulsion on the surface of the asphalt pavement;
s5: standing for 20-30min to make the engineering emulsion completely permeate into the asphalt pavement;
s6: uniformly spreading fine stones on the surface of the asphalt pavement;
s7: rolling fine stone materials, fully filling capillary cracks, and simultaneously wrapping and absorbing redundant engineering emulsion;
s8: and cleaning the fine stone material which has absorbed the emulsion by using a cleaning device.
By adopting the technical scheme, when the road surface is repaired, the engineering emulsion reducing agent is sprayed on the road surface, so that the engineering emulsion permeates into the road surface, light fractions are supplemented for aged asphalt, and simultaneously the whitened and oil-deficient asphalt road surface recovers the moist and full texture. And then rolling the asphalt surface to realize the self-healing of the network cracks of the asphalt pavement and eliminate the network cracks or crazing of the asphalt pavement. Therefore, the construction period is greatly shortened, and the maintenance construction process is easier and more convenient.
The invention is further provided with: step S7 includes the following steps:
s71: primary pressing, namely performing primary pressing on the fine stone by using a rubber wheel type road roller;
s72: repressing, namely repressing the fine stone by using a rubber wheel type road roller;
s73: and final pressing, namely performing final pressing on the fine stone by using a double-wheel rubber wheel type road roller.
By adopting the technical scheme, the rubber wheel type road roller and the double-wheel rubber wheel type road roller are adopted to continuously perform initial pressure, secondary pressure and final pressure on fine stone materials and fully fill capillary cracks, so that the net cracks or cracks of the asphalt pavement are thoroughly eliminated, the surface of the asphalt pavement is firmer and more compact, and the structural strength and the rolling resistance of the asphalt pavement are improved.
The invention is further provided with: the cleaning device comprises a sweeper, a cleaning box with an opening at the lower end is arranged in front of the sweeper, rotating shafts are horizontally and rotatably connected to the inner walls of two ends of the cleaning box, rotating wheels are arranged at the front ends of a pair of the rotating shafts, a synchronous belt is wound between the pair of the rotating wheels, and a plurality of sweeping brushes are arranged on the outer surface of the synchronous belt at intervals; the side wall of one end of the cleaning box is provided with a collecting box, the side wall of the front end of the collecting box is provided with a feeding hole and a collecting plate which are aligned with the sweeping brush, the collecting plate is arranged in an inclined downward shape, the upper end of the collecting plate is flush with the bottom wall of the feeding hole, and two sides of the collecting plate are provided with barrier strips.
Through adopting above-mentioned technical scheme, when cleaning unnecessary fine stone material, utilize the motor sweeper drive to clean the case along the slow motion of rectilinear direction, the surface on road surface is contradicted to brush and collecting board this moment. And when the motor sweeper marchd, the control pivot drives and rotates the wheel rotation, rotates the wheel this moment and drives hold-in range synchronous motion, and the hold-in range drives a plurality of brush synchronous motion afterwards, and the brush moves towards the collecting board direction this moment to clean the thin building stones to the collecting board on, later under inertial effect, the thin building stones will be in landing to the collecting box, realize the quick clearance of thin building stones. Consequently through setting up high automation to the cleaning device that the course of work is stable realizes thoroughly cleaning on road surface, consequently makes cleaning on road surface cleaner and tidier and more thorough.
The invention is further provided with: the inner wall of one end of the cleaning box, which is far away from the driving wheel, is horizontally provided with a storage box, a connecting pipe communicated with the tail end of the collecting box is arranged on the storage box, the connecting pipe is arranged in an inclined manner, one end of the connecting pipe, which is close to the collecting box, is higher than the other end of the connecting pipe, and a cleaning mechanism is arranged in the collecting box.
Through adopting above-mentioned technical scheme, after cleaning the thin building stones to the containing box in, utilize to clean the thin building stones of mechanism drive collecting box and move towards the connecting pipe direction, later the thin building stones slide to the containing box along the connecting pipe in, realize accomodating of thin building stones. Consequently through setting up containing box and cleaning device, realize cleaning often and collecting of fine building stones in the collecting box, guarantee the collection ability of collecting box to avoid fine building stones to appear back to spill the phenomenon, realize the stable collection of fine building stones.
The invention is further provided with: the cleaning mechanism comprises transmission shafts arranged on the inner walls of two ends of the collecting box, transmission wheels are arranged on the outer walls of the transmission shafts, a pair of transmission wheels are wound on the outer walls of the transmission wheels, a plurality of cleaning brushes for abutting against the bottom wall and the side walls of two sides of the collecting box are arranged on the outer walls of the transmission belts at intervals, and bevel gears meshed with each other are arranged between the front end of the rotating shaft and the transmission shafts positioned at the front end.
Through adopting above-mentioned technical scheme, when the pivot is rotatory, through bevel gear's cooperation, the synchronous rotation of drive transmission shaft, the transmission shaft drives drive wheel and drive belt synchronous motion this moment, the drive belt drives a plurality of cleaning brush synchronous motion afterwards, can utilize the cleaning brush to carry to the connecting pipe position with the thin building stones propelling movement in the collecting box afterwards, realize the real-time clearance and the continuous clearance of thin building stones in the collecting box, realize the quick collection and the stable collection of thin building stones promptly.
The invention is further provided with: the water injection type storage box is characterized in that a water spray pipe is horizontally arranged on the top wall of the storage box, a plurality of nozzles are simply arranged on the lower end face of the water spray pipe, a water tank is arranged on the upper end face of the storage box, a water injection pipe communicated with the water spray pipe is arranged at one end of the water tank, and a pressurizing device is arranged in the water tank.
Through adopting above-mentioned technical scheme, when the thin building stones dropped to the containing box in, utilize pressure device to the water tank pressurization, water in the water tank was along water injection pipe flow to spray pipe this moment to along the nozzle blowout, realize the automatic dust fall of thin building stones in the containing box, avoid appearing flying dust or flying dust phenomenon.
The invention is further provided with: pressure device including vertical set up in clamp plate in the water tank, and contradict all around of clamp plate the inside wall of water tank, the clamp plate deviates from the one end terminal surface level of water injection pipe is provided with the actuating lever, it has the confession to run through on the water tank the drive hole that the actuating lever slided, the lower terminal surface of actuating lever is provided with the rack, and is close to the drive hole be provided with driven gear in the pivot, the inner wall that cleans the case be provided with a plurality of with driven gear with rack engaged with's reduction gear group.
Through adopting above-mentioned technical scheme, when the pivot rotated, the pivot drove driven gear synchronous revolution, and driven gear drove reduction gear group synchronous motion this moment, and reduction gear group drove rack synchronous motion afterwards. When the rack moves, the rack drives the driving rod to move synchronously, and the driving rod pushes the pressing plate to be close to the water injection pipe, so that the automatic pressurization and the continuous pressurization of the clear water are realized. Therefore, the clear water can be ensured to be stably sprayed in the storage box at a constant speed, and the stable dust removal of fine stones in the storage box is realized.
The invention is further provided with: the side wall of the lower end of the containing box is provided with a strip-shaped air suction cover, the upper end face of the containing box is provided with a fan, and the fan is provided with a feeding pipe communicated with the air suction cover and a discharging pipe communicated with the containing box.
Through adopting above-mentioned technical scheme, when cleaning case during operation, start the fan to in inhaling the inlet tube with remaining thin building stones through the cover that induced drafts, in recycling the discharging pipe later and discharging thin building stones to the collecting box, realize thoroughly cleaning and collecting of thin building stones.
The invention is further provided with: the lower end face of the cleaning box is provided with a circle of cloth cover.
Through adopting above-mentioned technical scheme, establish the lower extreme that cleans the case through the cloth cover, the phenomenon of splashing appears when avoiding the fine stone material to clean, avoids producing the smoke and dust simultaneously and causes secondary pollution.
In conclusion, the invention has the following beneficial effects:
1. the light fraction is supplemented for the aged asphalt by spraying an engineering emulsion reducing agent, and the self-healing of the network cracks of the asphalt pavement is realized after rolling, so that the network cracks or crazing of the asphalt pavement are eliminated, the construction period is shortened, and the maintenance construction process is easier and more convenient;
2. the fine stone materials are subjected to continuous initial pressing, secondary pressing and final pressing, and the capillary cracks are fully filled, so that the network cracks or crazing of the asphalt pavement are thoroughly eliminated, the surface of the asphalt pavement is firmer and more compact, and the structural strength and the rolling resistance of the asphalt pavement are improved;
3. the cleaning device with high automation and stable working process is arranged to realize the thorough cleaning of the road surface, so that the road surface is cleaned more neatly and thoroughly;
4. by arranging the storage box and the efficient cleaning device, the fine stone materials in the collecting box can be cleaned and collected at any time, the collecting capacity of the collecting box is ensured, and the back sprinkling phenomenon of the fine stone materials is avoided;
5. clear water is sprayed into the containing box through the nozzle, so that automatic dust falling of fine stones in the containing box is realized, and flying ash or flying dust is avoided.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic view of the internal structure of the cleaning tank of the embodiment;
FIG. 3 is a schematic view of the internal structure of the collection box of the embodiment;
fig. 4 is a schematic view of the internal structure of the storage box and the water tank of the embodiment.
Reference numerals: 1. a sweeper; 2. cleaning the box; 21. a cloth cover; 22. a reduction gear set; 3. a rotating shaft; 31. a rotating wheel; 32. a synchronous belt; 33. brushing; 34. a moving gear; 4. a collection box; 41. a feed inlet; 42. a collection plate; 43. blocking strips; 5. a storage box; 51. a connecting pipe; 52. an air suction hood; 53. a fan; 54. a feed pipe; 55. a discharge pipe; 56. a water spray pipe; 57. a nozzle; 6. a cleaning mechanism; 61. a drive shaft; 62. a driving wheel; 63. a bevel gear; 64. a transmission belt; 65. a cleaning brush; 7. a water tank; 71. a water injection pipe; 72. a drive aperture; 8. a pressurizing device; 81. pressing a plate; 82. a drive rod; 83. a rack.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
An airport asphalt pavement maintenance method comprises the following steps:
s1: marking a plurality of circles with equal areas on the damaged asphalt pavement in sequence;
s2: injecting engineering emulsions with different proportions into the circle;
s3: observing the change of the asphalt pavement in each circle, and selecting the optimal spreading amount;
s4: quantitatively and uniformly spraying the engineering emulsion on the surface of the asphalt pavement;
s5: standing for 20-30min to make the engineering emulsion completely permeate into the asphalt pavement;
s6: uniformly spreading fine stones on the surface of the asphalt pavement;
s7: rolling fine stone materials, fully filling capillary cracks, and simultaneously wrapping and absorbing redundant engineering emulsion;
wherein the step S7 includes the steps of:
s71: primary pressing, namely performing primary pressing on the fine stone by using a rubber wheel type road roller;
s72: repressing, namely repressing the fine stone by using a rubber wheel type road roller;
s73: and final pressing, namely performing final pressing on the fine stone by using a double-wheel rubber wheel type road roller.
S8: and cleaning the fine stone material which has absorbed the emulsion by using a cleaning device.
When the road surface is repaired, the engineering emulsion reducing agent is sprayed on the road surface, so that the engineering emulsion permeates into the road surface, light fractions are supplemented for aged asphalt, and simultaneously the whitened and oil-deficient asphalt road surface recovers the moist and full texture.
The engineering emulsion mainly comprises naphthenic base oil, water, an emulsifier, a stabilizer and a modifier. The naphthenic base oil has little residue on the road surface due to its very low viscosity and good penetration ability, and is perfectly blended with the asphalt in the original road surface after demulsification.
And because naphthenic base oils contain many components of asphalt pavement that are easily lost during ordinary use, such as secondary acids, primary acids, gums, and the like. These substances are generally polar molecules, and the molecular weight of the substances is small, so that the adhesive force and the softness of the asphalt pavement can be ensured, and the cracking phenomenon of the asphalt pavement is avoided.
And then, a rubber wheel type road roller and a double-wheel rubber wheel type road roller are adopted to carry out continuous initial pressing, re-pressing and final pressing on the fine stone material, and the capillary cracks are fully filled, so that the web cracks or cracks of the asphalt pavement are thoroughly eliminated, the surface of the asphalt pavement is tighter and more compact, and the structural strength and the rolling resistance of the asphalt pavement are improved.
As shown in fig. 1 and 2, the cleaning device includes a sweeper truck 1, a cleaning tank 2 having an open lower end is provided in front of the sweeper truck 1, and a cloth cover 21 is provided at a lower end surface of the cleaning tank 2.
As shown in fig. 1 and 2, the inner walls of both ends of the cleaning box 2 are horizontally and rotatably connected with the rotating shafts 3, the rotating wheels 31 are arranged at the front ends of the pair of rotating shafts 3, the synchronous belt 32 is wound between the pair of rotating wheels 31, and a plurality of wipers 33 are arranged on the outer surface of the synchronous belt 32 at intervals.
As shown in FIGS. 2 and 3, the collection box 4 is provided on one side wall of the cleaning box 2, and the front side wall of the collection box 4 is provided with a feed port 41 and a collection plate 42 aligned with the brush 33.
As shown in fig. 2 and 3, the collecting plate 42 is disposed in an inclined downward manner, the upper end of the collecting plate 42 is flush with the bottom wall of the feed port 41, and the two sides of the collecting plate 42 are provided with the barrier ribs 43.
When cleaning the surplus fine stone material, the cleaning tank 2 is driven by the sweeper truck 1 to move slowly in a linear direction, and at this time the sweeper brush 33, the cloth cover 21 and the collecting plate 42 abut against the surface of the road surface. When the sweeper 1 is moving slowly, the speed reducer (not shown) is used to control the rotating shaft 3 to drive the rotating wheel 31 to rotate, and at this time, the rotating wheel 31 drives the synchronous belt 32 to move synchronously.
When the synchronous belt 32 works, the synchronous belt 32 drives the plurality of wipers 33 to move synchronously, and at the moment, the wipers 33 move towards the collecting plate 42 and clean the fine stone materials onto the collecting plate 42. Then, under the action of inertia, the fine stones slide into the collecting box 4, so that the fine stones can be quickly cleaned.
As shown in fig. 2, a containing box 5 is horizontally arranged on the inner wall of one end of the cleaning box 2 away from the driving wheel 62, a connecting pipe 51 communicated with the tail end of the collecting box 4 is arranged on the containing box 5, the connecting pipe 51 is arranged in an inclined manner, and one end of the connecting pipe close to the collecting box 4 is higher than the other end.
As shown in fig. 2, a strip-shaped air suction hood 52 is disposed on a side wall of a lower end of the storage box 5, a fan 53 is disposed on an upper end face of the storage box, and a feeding pipe 54 communicated with the air suction hood 52 and a discharging pipe 55 communicated with the storage box 5 are disposed on the fan 53.
As shown in fig. 2 and 3, the collection box 4 is internally provided with a cleaning mechanism 6, the cleaning mechanism 6 comprises transmission shafts 61 arranged on the inner walls of the two ends of the collection box 4, the outer wall of each transmission shaft 61 is provided with a transmission wheel 62, and bevel gears 63 which are meshed with each other are arranged between the front end of the rotating shaft 3 and the transmission shaft 61 positioned at the front end.
As shown in fig. 2 and 3, a belt 64 is wound around the outer walls of the pair of driving wheels 62, and a plurality of cleaning brushes 65 for abutting against the bottom wall and the side walls of the collection container 4 are provided at intervals on the outer walls of the belt 64.
When the rotating shaft 3 rotates, the transmission shaft 61 is driven to rotate synchronously through the matching of the bevel gear 63, at the moment, the transmission shaft 61 drives the transmission wheel 62 and the transmission belt 64 to move synchronously, and then the transmission belt 64 drives the plurality of cleaning brushes 65 to move synchronously.
At this moment, the cleaning brush 65 can be used for pushing the fine stone materials in the collecting box 4 to the position of the connecting pipe 51, so that the real-time cleaning and the continuous cleaning of the fine stone materials in the collecting box 4 are realized.
Meanwhile, the fan 53 is started, and the residual fine stone materials are sucked into the feeding pipe 54 through the suction hood 52, and then discharged into the collecting box 4 by the discharging pipe 55, so that the fine stone materials are thoroughly cleaned and collected.
As shown in fig. 2 and 4, a water spray pipe 56 is horizontally provided on the top wall of the storage box 5, and a plurality of nozzles 57 are simply provided on the lower end surface of the water spray pipe 56. The upper end face of the storage box 5 is provided with a water tank 7, one end of the water tank 7 is provided with a water injection pipe 71 communicated with the water spray pipe 56, and the water tank 7 is internally provided with a pressurizing device 8.
When the fine stone material falls into the storage box 5, the water tank 7 is pressurized by the pressurizing device 8, and at the moment, water in the water tank 7 flows to the water spraying pipe 56 along the water injection pipe 71 and is sprayed out along the nozzle 57, so that automatic dust falling of the fine stone material in the storage box 5 is realized, and the flying ash or flying dust phenomenon is avoided.
As shown in fig. 2 and 4, the pressurizing device 8 includes a pressing plate 81 vertically disposed in the water tank 7, and the periphery of the pressing plate 81 abuts against the inner sidewall of the water tank 7. A driving rod 82 is horizontally arranged on the end face of one end of the water tank 7, which is far away from the water injection pipe 71, and a driving hole 72 for the driving rod 82 to slide is penetrated through the water tank 7.
As shown in fig. 2 and 4, a rack 83 is provided on a lower end surface of the driving rod 82, wherein a driven gear 34 is provided on the rotation shaft 3 adjacent to the driving hole 72, and a plurality of reduction gear sets 22 engaged with the driven gear 34 and the rack 83 are provided on an inner wall of the cleaning tank 2.
When the rotating shaft 3 rotates, the rotating shaft 3 drives the driven gear 34 to rotate synchronously, at this time, the driven gear 34 drives the reduction gear set 22 to move synchronously, and then the reduction gear set 22 drives the rack 83 to move synchronously. When the rack 83 moves, the rack 83 drives the driving rod 82 to move towards the water injection pipe 71, and at the moment, the driving rod 82 pushes the pressing plate 81 to be close to the water injection pipe 71, so that the automatic pressurization and the continuous pressurization of the clean water are realized.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. A method for maintaining an airport asphalt pavement is characterized by comprising the following steps: the method comprises the following steps:
s1: marking a plurality of circles with equal areas on the damaged asphalt pavement in sequence;
s2: injecting engineering emulsions with different proportions into the circle;
s3: observing the change of the asphalt pavement in each circle, and selecting the optimal spreading amount;
s4: quantitatively and uniformly spraying the engineering emulsion on the surface of the asphalt pavement;
s5: standing for 20-30min to make the engineering emulsion completely permeate into the asphalt pavement;
s6: uniformly spreading fine stones on the surface of the asphalt pavement;
s7: rolling fine stone materials, fully filling capillary cracks, and simultaneously wrapping and absorbing redundant engineering emulsion;
s8: and cleaning the fine stone material which has absorbed the emulsion by using a cleaning device.
2. The method for maintaining an asphalt pavement of an airport according to claim 1, wherein: step S7 includes the following steps:
s71: primary pressing, namely performing primary pressing on the fine stone by using a rubber wheel type road roller;
s72: repressing, namely repressing the fine stone by using a rubber wheel type road roller;
s73: and final pressing, namely performing final pressing on the fine stone by using a double-wheel rubber wheel type road roller.
3. The method for maintaining an asphalt pavement of an airport according to claim 1, wherein: the cleaning device comprises a sweeper (1), a cleaning box (2) with an opening at the lower end is arranged in front of the sweeper (1), rotating shafts (3) are horizontally and rotatably connected to the inner walls of two ends of the cleaning box (2), rotating wheels (31) are arranged at the front ends of a pair of the rotating shafts (3), a synchronous belt (32) is wound between the pair of the rotating wheels (31), and a plurality of sweeping brushes (33) are arranged on the outer surface of the synchronous belt (32) at intervals;
the side wall of one end of the cleaning box (2) is provided with a collecting box (4), the side wall of the front end of the collecting box (4) is provided with a feeding hole (41) and a collecting plate (42) which are aligned with the sweeping brush (33), the collecting plate (42) is arranged in an inclined downward manner, the upper end of the collecting plate (42) is flush with the bottom wall of the feeding hole (41), and two sides of the collecting plate (42) are provided with blocking strips (43).
4. The method for maintaining an asphalt pavement of an airport according to claim 3, wherein: the inner wall of one end, deviating from the driving wheel (62), of the cleaning box (2) is horizontally provided with a storage box (5), a connecting pipe (51) communicated with the tail end of the collecting box (4) is arranged on the storage box (5), the connecting pipe (51) is arranged in an inclined mode, one end, close to the collecting box (4), of the connecting pipe is higher than the other end of the connecting pipe, and a cleaning mechanism (6) is arranged in the collecting box (4).
5. The method for maintaining an asphalt pavement of an airport according to claim 4, wherein: the cleaning mechanism (6) comprises transmission shafts (61) arranged on the inner walls of two ends of the collecting box (4), transmission wheels (62) are arranged on the outer walls of the transmission shafts (61), a transmission belt (64) is wound on the outer walls of a pair of the transmission wheels (62), a plurality of cleaning brushes (65) used for abutting against the bottom wall and the side walls of two sides of the collecting box (4) are arranged on the outer walls of the transmission belt (64) at intervals, and bevel gears (63) which are meshed with each other are arranged between the front end of the rotating shaft (3) and the transmission shaft (61) positioned at the front end.
6. The method for maintaining an asphalt pavement of an airport according to claim 5, wherein: the water spraying device is characterized in that a water spraying pipe (56) is horizontally arranged on the top wall of the containing box (5), a plurality of nozzles (57) are simply arranged on the lower end face of the water spraying pipe (56), a water tank (7) is arranged on the upper end face of the containing box (5), a water injection pipe (71) communicated with the water spraying pipe (56) is arranged at one end of the water tank (7), and a pressurizing device (8) is arranged in the water tank (7).
7. The method for maintaining an asphalt pavement of an airport according to claim 6, wherein: pressure device (8) including vertical set up in clamp plate (81) in water tank (7), and contradict all around of clamp plate (81) the inside wall of water tank (7), clamp plate (81) deviate from the one end terminal surface level of water injection pipe (71) is provided with actuating lever (82), it has the confession to run through on water tank (7) actuating hole (72) that actuating lever (82) slided, the lower terminal surface of actuating lever (82) is provided with rack (83), and is close to actuating hole (72) be provided with driven gear (34) on pivot (3), the inner wall of cleaning case (2) be provided with a plurality ofly with driven gear (34) with gear reduction set (22) that rack (83) engaged with.
8. The method for maintaining an asphalt pavement of an airport according to claim 4, wherein: the side wall of the lower end of the containing box (5) is provided with a long-strip-shaped air suction cover (52), the upper end face of the containing box is provided with a fan (53), and the fan (53) is provided with a feeding pipe (54) communicated with the air suction cover (52) and a discharging pipe (55) communicated with the containing box (5).
9. The method for maintaining an asphalt pavement of an airport according to claim 8, wherein: the lower end face of the cleaning box (2) is provided with a circle of cloth cover (21).
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| CN201911404499.1A CN111021216A (en) | 2019-12-31 | 2019-12-31 | An airport asphalt pavement maintenance method |
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| CN201911404499.1A CN111021216A (en) | 2019-12-31 | 2019-12-31 | An airport asphalt pavement maintenance method |
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| CN112832105A (en) * | 2021-02-07 | 2021-05-25 | 安徽省合通交通工程有限公司 | Road pavement maintenance mechanism and construction method thereof |
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Effective date of registration: 20210512 Address after: Room 511, building 6, fuhanyuan, Xinbei District, Changzhou City, Jiangsu Province Applicant after: Jiangsu ruiwendell Transportation Technology Co.,Ltd. Address before: 213000 room 310, innovation and Research Center, No.8, Yanzheng West Avenue, Niutang Town, Wujin District, Changzhou City, Jiangsu Province Applicant before: Jiangsu Adolf highway special maintenance Engineering Co.,Ltd. |
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Application publication date: 20200417 |