CN110904801A - Construction tool and method for repairing asphalt pavement of highway - Google Patents
Construction tool and method for repairing asphalt pavement of highway Download PDFInfo
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- CN110904801A CN110904801A CN201911161512.5A CN201911161512A CN110904801A CN 110904801 A CN110904801 A CN 110904801A CN 201911161512 A CN201911161512 A CN 201911161512A CN 110904801 A CN110904801 A CN 110904801A
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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
- E01C23/0906—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 cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
- E01C23/0926—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 cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
- E01C23/0933—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 cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters
- E01C23/094—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 cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters about vertical or inclined axes, e.g. for core sampling
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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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/187—Repairing bituminous covers, e.g. regeneration of the covering material in situ, application of a new bituminous topping
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Road Repair (AREA)
Abstract
The invention relates to a construction tool for repairing a highway asphalt pavement, which comprises a drilling machine and a support, wherein the support comprises a first transverse rod, a second transverse rod and a plurality of vertical rods, the first transverse rod is vertically connected with the second transverse rod, the vertical rods are respectively vertical to the first transverse rod and the second transverse rod, the first transverse rod and the second transverse rod are respectively provided with a first sliding groove along the length direction thereof, the first sliding groove of the first transverse rod and the first sliding groove of the second transverse rod are mutually communicated, the first sliding groove is connected with a sleeve for sleeving the drilling machine in a sliding manner through a first sliding block, the first sliding block penetrates out of the first sliding groove and is provided with a second sliding groove for the sleeve to slide along the direction parallel to the vertical rods, and a second sliding block is connected in the second sliding groove in a sliding manner and penetrates out of the second sliding groove to be connected. The milling groove depth determination device has the effect of facilitating determination of milling groove range and depth.
Description
Technical Field
The invention relates to the technical field of pavement repair, in particular to a construction tool and a construction method for repairing a highway asphalt pavement.
Background
At present, with the construction and development of highway pavements, asphalt pavements become common highway paving modes, meanwhile, the phenomena of asphalt pavement maintenance are caused by cracks, damages and subsidence of the asphalt pavements, if the asphalt is damaged and is not filled and repaired in time, impurities are easy to enter a structural layer along the cracks, and the damage of the pavements is accelerated.
In the prior art, chinese patent publication No. CN109403192A discloses a method for repairing a pit of an asphalt pavement, which includes the following steps: 1. dividing a disease range according to the disease condition, and repairing contour line slots along the divided pit slots by using a cutting machine; 2. and determining the depth of the milling and planing groove according to the severity of the disease, cleaning the groove bottom and then drying.
The above prior art solutions have the following drawbacks: when the disease range is determined, a cutting machine is used for marking, then the milling groove depth is determined according to the disease severity, multiple machines are used, and the method is quite troublesome and low in efficiency.
Disclosure of Invention
The invention aims to provide a construction tool for repairing a road asphalt pavement, which has the advantage of being convenient for determining the range and the depth of a milling groove.
The above object of the present invention is achieved by the following technical solutions:
a construction tool for repairing a road asphalt pavement comprises a drilling machine and a support, wherein the support comprises a first cross rod, a second cross rod and a plurality of vertical rods, the first cross bar is vertically connected with the second cross bar, the vertical bar is respectively vertical to the first cross bar and the second cross bar, the first cross bar and the second cross bar are both provided with a first sliding chute along the length direction, the first sliding groove of the first cross bar is communicated with the first sliding groove of the second cross bar, the first sliding groove is connected with a sleeve for sleeving the drilling machine in a sliding manner through a first sliding block, the first sliding block penetrates out of the first sliding groove, a second sliding groove for the sleeve to slide is arranged in the direction parallel to the vertical rod, and a second sliding block is connected in the second sliding groove in a sliding manner, penetrates out of the second sliding groove and is connected with the sleeve.
When the technical scheme is implemented, when the repairing area of the damaged pavement pit is determined, the support is moved to the position of the damaged range of the pavement, the drilling machine is arranged in the sleeve in a penetrating mode, the area of the repairing range is determined according to the area of the damaged range, the repairing range is a rectangular local area which is larger than the area of the pit, so that the length and the width of the repairing range are obtained, the pit digging depth is determined according to the severity of the disease, the drilling machine is used for drilling a hole to the pit digging depth, then according to the length of the repairing range, the sleeve is slid along the length direction of the first sliding groove on the second cross bar and drives the drilling machine to move, the length contour line of the repairing range is planed and milled, then the sleeve is slid along the length direction of the first sliding groove on the first cross bar and drives the drilling machine to move, the width contour line of the repairing range is planed and, the milling groove depth measuring device has the advantage of being convenient to determine the milling groove range and depth.
The invention is further provided that the first cross bar is provided with a third sliding groove parallel to the first sliding groove, and the second cross bar is connected with the third sliding groove in a sliding manner through a third sliding block.
By implementing the technical scheme, the sleeve is slid along the length direction of the first sliding chute on the second cross bar and drives the drilling machine to move, planing and milling the first length contour line of the repairing range, sliding the sleeve along the length direction of the first sliding chute on the first cross rod and driving the drilling machine to move, planing and milling the first width contour line in the repairing range, sliding the second cross bar along the length direction of the third sliding chute to enable the second cross bar to slide to the position of the sleeve on the first cross bar, then the sleeve slides along the first sliding groove on the second cross bar, so as to plane and mill the second length contour line of the repair range, and finally slides along the length direction of the third sliding groove towards the first length contour line, and planning and milling the second width contour line of the repairing range so as to plan and mill the rectangular shape of the repairing range.
The invention is further provided that the first slide block is provided with a first fastening bolt which is abutted with the first slide groove through the first slide groove, the second slide block is provided with a second fastening bolt which is abutted with the second slide groove through the second slide groove, and the third slide block is provided with a third fastening bolt which is abutted with the third slide groove through the third slide groove.
Implement above-mentioned technical scheme, slide first slider to the assigned position back of first spout, rotate first fastening bolt, make first fastening bolt and the surface looks butt of first spout, thereby fix the position of first slider, slide the second slider to the assigned position back of second spout, rotate second fastening bolt, make the surface looks butt of second fastening bolt and second spout, thereby fix the position of second slider, slide the third slider to the assigned position back of third spout, rotate third fastening bolt, make the surface looks butt of third fastening bolt and third spout, thereby fix the position of third slider.
The invention is further provided that the first chute and the second chute are provided with graduated scales along the length direction thereof.
Implement above-mentioned technical scheme for constructor is convenient for confirm the sleeve and slide the distance on first horizontal pole and second horizontal pole respectively according to the length and the width of the repair scope area of confirming through being provided with the scale.
The invention is further provided that the lower end of each vertical rod is rotatably connected with a universal wheel with a self-locking function.
Implement above-mentioned technical scheme, through being provided with the universal wheel, be convenient for remove the support, remove the support to the assigned position after, lock the universal wheel through the self-locking function of universal wheel to fix the support.
The second purpose of the invention is to provide a construction method for repairing the asphalt pavement of the highway, which has the advantages of recycling and green construction.
The second purpose of the invention is realized by the following technical scheme:
a construction method for repairing a road asphalt pavement comprises the following steps:
moving the support to a road surface damage range, penetrating a drilling machine into the sleeve, and determining the area of a repair range according to the area of the damage range, wherein the area of the repair range is larger than that of the damage range, the contour line of the repair range is parallel to or perpendicular to the central line of the road surface and is arranged 10-15 cm outside the damage range, and the contour line of the repair range is rectangular along the road direction;
secondly, determining the pit digging depth according to the severity of the disease, starting a drilling machine to dig and mill the repairing area, sliding a sleeve along the length direction of a second sliding chute according to a graduated scale on the second sliding chute, drilling a hole to the pit digging depth through the drilling machine, and fixing the position of a second sliding block in the second sliding chute through a second fastening bolt;
thirdly, sliding the sleeve through the first sliding chute and driving the drilling machine to move along the length direction of the first cross bar and the length direction of the second cross bar respectively, planing and milling the length contour line and the width contour line of the repairing range, determining the repairing range, and then planing the pit through the drilling machine to form a pit slot;
step four, cleaning the pit and groove, and collecting the old aggregate of the original pavement;
mixing the collected old aggregate and graded aggregate, wherein the graded aggregate adopts the grading of the proportioning aggregate corresponding to the grade label of the asphalt for repairing the pavement, and the old aggregate and the graded aggregate are mixed to form a repaired asphalt concrete material;
and step six, paving the repairing asphalt concrete material into the pit groove, and rolling and compacting the asphalt concrete material to finish the pavement repairing.
According to the technical scheme, the support is fixed on the damage range, the rectangular shape of the repairing range is planed and milled through the drilling machine, the pitch in the rectangular range is planed and milled through the drilling machine to form the pit groove, the planed and milled old aggregate is mixed with the graded aggregate to form the repairing asphalt concrete material, the repairing asphalt concrete material is paved into the pit groove, the asphalt concrete material is compacted through rolling, the pavement repairing is completed, the asphalt pavement in-situ thermal regeneration construction method is adopted, the old aggregate in the pit groove can be treated and recycled, the repairing asphalt concrete material is mixed with the graded aggregate and then is used in the asphalt pavement dispersing pit groove, materials are saved, the repairing time can be shortened, the pollution is little, and the repairing method has the advantages of recycling and green construction.
The invention is further set that in the fifth step, when the collected old aggregate and the graded aggregate are mixed, the mixing temperature needs to reach 200 ℃, the stirring and heating time is not less than 5 min, and hot asphalt is added when the mixed material is stirred and cooled to 170 ℃.
By implementing the technical scheme, the mixing temperature is set to 200 ℃, so that the mixing effect of the old aggregate and the graded aggregate is better, and the adhesion of the repaired asphalt concrete material formed after mixing is improved.
The invention is further arranged that in the sixth step, after the asphalt concrete material is compacted, the joint between the repaired road surface and the old road surface is processed, and the periphery of the repaired road surface is ditched by hot asphalt.
By implementing the technical scheme, the joint of the repaired road surface and the old road surface is treated by adding hot asphalt, so that the repaired road surface and the old road surface form a whole, and the connection strength of the repaired road surface and the old road surface is enhanced.
In conclusion, the invention has the following beneficial effects:
firstly, moving a support to a pavement damage range, penetrating a drilling machine into a sleeve, determining the area of a repair range according to the area of the damage range, wherein the repair range is a rectangular local area larger than the area of a pit groove, so that the length and width of the repair range are obtained, determining the pit digging depth according to the disease severity, drilling a hole to the pit digging depth through the drilling machine, sliding the sleeve along the length direction of a first sliding groove on a second cross bar according to the length of the repair range, driving the drilling machine to move, digging and milling the length contour line of the repair range, sliding the sleeve along the length direction of the first sliding groove on the first cross bar, driving the drilling machine to move, digging and milling the width contour line of the repair range, and after determining the repair range, digging the pit through the drilling machine to form the pit groove, so that the milling groove range and the milling depth can be conveniently determined;
fixing the support on a damaged range, planing and milling a rectangular shape in a repairing range through a drilling machine to form a pit groove, then planing and milling the asphalt in the rectangular range through the drilling machine to form a pit groove, mixing the planed old aggregate with the graded aggregate to form a repairing asphalt concrete material, paving the repairing asphalt concrete material into the pit groove in the repairing range, rolling and compacting the asphalt concrete material to complete pavement repairing, and adopting an asphalt pavement on-site thermal regeneration construction method to treat and recycle the old aggregate in the pit groove, and mixing the repairing asphalt concrete material with the graded aggregate to be applied to the asphalt pavement dispersing pit groove, so that the material is saved, the repairing time can be shortened, the pollution is less, and the method has the advantages of recycling and green construction.
Drawings
FIG. 1 is a schematic illustration of a damaged area and a repaired area in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of a construction tool for repairing a road asphalt pavement according to an embodiment of the present invention;
FIG. 3 is an exploded view of a construction tool for repairing a bituminous pavement of a road according to an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
Reference numerals: 1. a drilling machine; 2. a support; 21. a first cross bar; 22. a second cross bar; 23. a vertical rod; 3. a first chute; 4. a first slider; 5. a sleeve; 6. a second chute; 7. a second slider; 8. a third chute; 9. a third slider; 10. a first fastening bolt; 11. a second fastening bolt; 12. a third fastening bolt; 13. a graduated scale; 14. a universal wheel; 15. (ii) a damage range; 16. and (5) repairing the range.
Detailed Description
The technical solutions of the embodiments of the present invention will be described below with reference to the accompanying drawings.
Examples
As shown in FIG. 1, the area of the damaged area 15 and the repaired area 16 of the asphalt pavement is schematically shown, the area of the repaired area 16 is larger than that of the damaged area 15, the contour line of the repaired area 16 is parallel or vertical to the central line of the pavement and is arranged 10-15 cm outside the damaged area 15, and the shape of the repaired area is rectangular along the road
Referring to fig. 2 and 3, a construction tool for repairing a road asphalt pavement comprises a drilling machine 1 and a support 2. The support 2 includes first horizontal pole 21, second horizontal pole 22 and three montants 23, and two montants 23 weld respectively in the lower surface of first horizontal pole 21, and a montant 23 welds in the lower surface of second horizontal pole 22. The lower end of each vertical rod 23 is rotatably connected with a universal wheel 14 with a self-locking function, and after the support 2 is moved to a specified position, the position of the support 2 can be fixed through the self-locking function of the universal wheel 14.
Referring to fig. 3 and 4, the first rail 21 and the second rail 22 are provided with the first sliding grooves 3 along the length direction thereof, and the first sliding grooves 3 of the first rail 21 and the first sliding grooves 3 of the second rail 22 are communicated with each other. First spout 3 wears out first spout 3 through first slider 4 and has second spout 6 along being on a parallel with the welding of 23 directions of montant, in this embodiment, first slider 4 sets up to the arc with the butt surface of first spout 3, be convenient for first slider 4 slides at the junction of first spout 3 of first horizontal pole 21 and second spout 6 of second horizontal pole 22, first slider 4 wears out first spout 3 and is provided with the first fastening bolt 10 with 3 looks butt of first spout, all set up the fluting that supplies first fastening bolt 10 to pass on first horizontal pole 21 and the second horizontal pole 22. The first chute 3 is provided with a graduated scale 13 along the length direction thereof, so that the constructor can conveniently measure and position.
Referring to fig. 3 and 4, a second sliding block 7 is slidably connected in the second sliding groove 6, and the second sliding block 7 penetrates through the second sliding groove 6 and is welded with a sleeve 5 for sleeving the drilling machine 1. The second sliding block 7 penetrates through the second sliding groove 6 and is in threaded connection with a second fastening bolt 11, and the tail end of the second fastening bolt 11 is abutted to the second sliding groove 6 and used for fixing the second sliding block 7. The second chute 6 is provided with a graduated scale 13 along the length direction thereof, so that the constructor can conveniently measure and position. The first cross bar 21 is provided with a third sliding chute 8 parallel to the first sliding chute 3, and the second cross bar 22 is connected with the third sliding chute 8 in a sliding manner through a third sliding block 9. The third slide block 9 penetrates through the third sliding groove 8 and is provided with a third fastening bolt 12 which is abutted against the third sliding groove 8, and the first cross rod 21 is provided with a groove for the third fastening bolt 12 to penetrate through.
The embodiment also discloses a construction method for repairing the asphalt pavement of the road, which comprises the following steps:
firstly, moving a support 2 to a road surface damage range 15 through a universal wheel 14, then penetrating a drilling machine 1 into a sleeve 5, determining the area of a repair range 16 according to the area of the damage range 15, wherein the area of the repair range 16 is larger than that of the damage range 15, the contour line of the repair range 16 is parallel to or perpendicular to the central line of the road surface and is arranged 10-15 cm outside the damage range 15, the contour line of the repair range 16 is rectangular in the direction along the road, the length and the width of the repair range 16 are determined according to the area of the repair range 16, and marks are respectively made on a first chute 3 scale 13 on a first cross rod 21 and a first chute 3 scale 13 on a second cross rod 22;
secondly, determining pit digging depth according to disease severity, making marks on the graduated scale 13 on the second sliding chute 6, moving the sleeve 5 to the mark position of the graduated scale 13 on the second cross rod 22 along the first sliding chute 3, fixing the third sliding block 9 in the third sliding chute 8 through the third fastening bolt 12, starting the drilling machine 1, sliding the sleeve 5 along the length direction of the second sliding chute 6 to drive the drilling machine 1 to move downwards and move to the graduated scale 13 on the second sliding chute 6 so as to drill holes to the pit digging depth, and fixing the position of the second sliding block 7 in the second sliding chute 6 through the second fastening bolt 11;
step three, sliding the sleeve 5 along the length direction of the first chute 3 of the second cross bar 22, driving the drilling machine 1 to move to the joint of the second cross bar 22 and the first cross bar 21, completing the planning and milling of the first width contour line of the repair range 16, then sliding the sleeve 5 along the length direction of the first chute 3 of the first cross bar 21, driving the drilling machine 1 to move to the mark of the graduated scale 13 on the first cross bar 21, completing the planning and milling of the first length contour line of the repair range 16, then unscrewing the third fastening bolt 12, sliding the second cross bar 22 to the sleeve 5 along the third chute 8, sliding the sleeve 5 into the first chute 3 of the second cross bar 22, driving the drilling machine 1 to move to the mark of the graduated scale 13 on the second cross bar 22 through the sleeve 5, planning and milling the second width contour line of the repair range 16, and then sliding the second cross bar 22 along the length direction of the third chute 8, driving the drilling machine 1 to move towards the first width contour line through the sleeve 5, so as to plane and mill the second length contour line, connecting the second length contour line with the first width contour line, completing the plane and milling of the rectangular contour of the repairing range 16, finally, performing pit planing through the drilling machine 1 in the rectangular contour of the repairing range 16, and finally forming a pit slot;
collecting old aggregates after the original pavement is planed and milled, removing loose parts, dust and impurities of the bottom and the wall of the groove, blowing air to the pit groove through an air blower, and cleaning the pit groove;
step five, mixing the collected old aggregate and the graded aggregate, wherein the aggregate proportion is required before the mixture is mixed, and the proportion is as follows (weight ratio): adding 1 part of graded aggregate into 3 parts of old aggregate, removing the old aggregate by milling or pit slot chiseling, grading the aggregate by adopting the grading of the proportioning aggregate corresponding to the grade mark of asphalt for repairing the pavement, wherein the temperature of the mixture is required to reach 200 ℃ when the mixture is stirred and heated for not less than 5 min, adding hot asphalt (the asphalt temperature is 155-165 ℃) when the mixture is stirred and cooled to 170 ℃, adding 5 kg of asphalt)/100 kg of the mixture, stirring the mixture for not less than 3 min, and controlling the discharging temperature to be 145-165 ℃ to finally form the asphalt concrete repairing material;
step five, before paving the asphalt concrete material, spraying binding oil, particularly spraying the binding oil outside stubbles at the periphery of a pit groove, wherein the binding oil must be uniform and proper, the binding oil is sprayed when water and soil are strictly forbidden in the pit groove, when two layers are paved in a layered mode, the binding oil is sprayed between the layers, and the binding material is carried out by adopting hot asphalt;
paving the repaired asphalt concrete material, wherein the repaired asphalt concrete material is uniform in appearance and uniform in color, has no obvious oil mass, white spots or scorching phenomenon, is paved by buckling a shovel, is suitable for paving, is suitable for being at an atmospheric temperature of more than 10 ℃ when being paved, is suitable for low-temperature construction, controls the area of a filling groove, is not more than 1m2, and is required to be more than 1.05 times of the required filling groove amount when being stirred, ensures that the filling groove molding is finished once, ensures that the paving temperature of the asphalt concrete material is not lower than 130 ℃, controls the paving coefficient of manual paving to be 1.25-1.50, and ensures that the surface of a virtual square after paving is finished is flat and uniform without concentration or segregation of coarse and fine materials;
step seven, rolling the repairing asphalt concrete material by a small road roller, wherein the rolling temperature is controlled between 100 ℃ and 130 ℃, the rolling needs to be uniform, a rolling wheel needs to be clean, the compacted repairing asphalt concrete material meets the requirements of compactness and flatness, the compactness is not less than 98%, and the flatness error is not more than 5 mm;
step eight, after the asphalt concrete material is compacted, the asphalt concrete material is closely and smoothly jointed with the old pavement without obvious traces, when the peripheral edge of the pit groove is low, the repairing asphalt concrete material is used for flattening and leveling, and pressing smoothly, when the pit groove is high, the repairing asphalt concrete material is used for leveling in time, and after the asphalt concrete material is compacted, the periphery of the repairing position is subjected to furrow irrigation by hot asphalt; during the leveling, the surface of the pit groove needs to be leveled by grinding and thinned, a broom is used for sweeping off redundant loose particles, the surface of the pit groove after the grinding is finished needs to be flat and solid, the pit groove is not required to be fallen off, slag, cracks or obvious wheel tracks, and the tolerance error of the flatness is +/-5 mm.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a construction tool that highway bituminous paving was repaired, a serial communication port, including drilling machine (1) and support (2), support (2) include first horizontal pole (21), second horizontal pole (22) and a plurality of montant (23), first horizontal pole (21) with second horizontal pole (22) link to each other perpendicularly, montant (23) respectively with first horizontal pole (21) with second horizontal pole (22) are mutually perpendicular, first horizontal pole (21) along its length direction with second horizontal pole (22) all are provided with first spout (3) along its length direction, first spout (3) of first horizontal pole (21) with first spout (3) of second horizontal pole (22) communicate each other, first spout (3) have through first slider (4) sliding connection and are used for the cover to establish sleeve (5) of drilling machine (1), first slider (4) are worn out first spout (3) are along being on a parallel with the direction of montant (23) is established A second sliding groove (6) for the sleeve (5) to slide is arranged, a second sliding block (7) is connected in the second sliding groove (6) in a sliding mode, and the second sliding block (7) penetrates through the second sliding groove (6) to be connected with the sleeve (5).
2. The tool for repairing a bituminous pavement according to claim 1, wherein the first cross bar (21) is provided with a third sliding groove (8) parallel to the first sliding groove (3), and the second cross bar (22) is slidably connected with the third sliding groove (8) through a third sliding block (9).
3. The construction tool for repairing the asphalt pavement of the highway according to claim 2, wherein the first slide block (4) penetrates through the first sliding groove (3) and is provided with a first fastening bolt (10) abutting against the first sliding groove (3), the second slide block (7) penetrates through the second sliding groove (6) and is provided with a second fastening bolt (11) abutting against the second sliding groove (6), and the third slide block (9) penetrates through the third sliding groove (8) and is provided with a third fastening bolt (12) abutting against the third sliding groove (8).
4. The tool for repairing a road asphalt pavement according to claim 1, wherein the first runner (3) and the second runner (6) are provided with scales (13) along the length direction thereof.
5. The tool for repairing a bituminous pavement of a road according to claim 1, wherein the lower end of each vertical rod (23) is rotatably connected with a universal wheel (14) having a self-locking function.
6. The construction method for repairing the asphalt pavement of the highway is characterized by comprising the following steps of:
moving a support (2) to a road surface damage range (15), penetrating a drilling machine (1) into a sleeve (5), determining the area of a repair range (16) according to the area of the damage range (15), wherein the area of the repair range (16) is larger than the area of the damage range (15), the contour line of the repair range (16) is parallel to or perpendicular to the center line of the road surface and is arranged 10-15 cm outside the damage range (15), and the shape of the repair range is a rectangle in the following direction;
secondly, determining the pit digging depth according to the severity of the disease, starting a drilling machine (1) to dig and mill the repaired area, sliding a sleeve (5) along the length direction of a second sliding chute (6) according to a graduated scale (13) on the second sliding chute (6), drilling a hole to the pit digging depth through the drilling machine (1), and fixing the position of a second sliding block (7) in the second sliding chute (6) through a second fastening bolt (11);
thirdly, sliding the sleeve (5) along the first sliding groove (3) and driving the drilling machine (1) to move along the length direction of the first cross rod (21) and the length direction of the second cross rod (22) respectively, planing and milling the length contour line and the width contour line of the repairing range (16) so as to determine the repairing range (16), and then planing the pit through the drilling machine (1) to form a pit slot;
step four, cleaning the pit and groove, and collecting the old aggregate of the original pavement;
mixing the collected old aggregate and graded aggregate, wherein the graded aggregate adopts the grading of the proportioning aggregate corresponding to the grade label of the asphalt for repairing the pavement, and the old aggregate and the graded aggregate are mixed to form a repaired asphalt concrete material;
and step six, paving the repairing asphalt concrete material into the pit groove, and rolling and compacting the asphalt concrete material to finish the pavement repairing.
7. The construction method for repairing the asphalt pavement of the highway according to claim 6, wherein in the fifth step, when the collected old aggregate and the graded aggregate are mixed, the mixing temperature needs to reach 200 ℃, the stirring and heating time is not less than 5 min, and hot asphalt is added when the mixed aggregate is stirred and cooled to 170 ℃.
8. The construction method for repairing the asphalt pavement of the highway according to claim 6, wherein in the sixth step, after the asphalt concrete material is compacted, the joint between the repaired pavement and the old pavement is treated, and the periphery of the repaired pavement is ditched by hot asphalt.
Priority Applications (1)
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