CN111119020A - Asphalt pavement repairing equipment and repairing method thereof - Google Patents

Asphalt pavement repairing equipment and repairing method thereof Download PDF

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Publication number
CN111119020A
CN111119020A CN202010083268.1A CN202010083268A CN111119020A CN 111119020 A CN111119020 A CN 111119020A CN 202010083268 A CN202010083268 A CN 202010083268A CN 111119020 A CN111119020 A CN 111119020A
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China
Prior art keywords
cutting blade
asphalt
vehicle body
storage box
asphalt pavement
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CN202010083268.1A
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Chinese (zh)
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CN111119020B (en
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王朝锋
刘素丽
温利
刘俊华
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Kaifeng University
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Kaifeng University
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Publication of CN111119020A publication Critical patent/CN111119020A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/09Devices 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
    • E01C23/096Devices 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 asphalt pavement repair equipment, which comprises a vehicle body, wherein a binder storage box and an asphalt storage box are arranged on the vehicle body, a cutting blade is arranged at the head of the vehicle body, an air heater is arranged at the bottom of the vehicle body, and a compression roller is arranged at the tail of the vehicle body; one side of the cutting blade is sleeved on the hollow shaft in a sliding manner, the other side of the cutting blade is connected with the first motor through the driving shaft, a plurality of discharge holes communicated with the surface of the cutting blade are distributed in the cutting blade, the hollow shaft is communicated with the binder storage box through the first discharge pipe, a discharge hole is formed in the bottom edge of the hollow shaft, and different discharge holes are sequentially communicated with the discharge hole in the rotating process of the cutting blade; the asphalt storage box is connected with a second discharge pipe, and the second discharge pipe is arranged between the cutting blade and the air heater. The invention can improve the defects of the prior art, has high integration level and improves the repairing effect of the asphalt pavement.

Description

Asphalt pavement repairing equipment and repairing method thereof
Technical Field
The invention relates to the technical field of road maintenance, in particular to asphalt pavement repairing equipment and a repairing method thereof.
Background
The asphalt pavement has low manufacturing cost, high flatness and short construction period, and is a pavement form widely applied in China. However, since the asphalt material has poor durability, the asphalt pavement has problems such as cracks and collapse after a period of use, and needs to be repaired. The Chinese patent 201810142259.8 discloses a maintenance repair device for asphalt pavement cracks, which realizes the repair of asphalt pavements through the processes of cutting, filling, rolling and the like. However, the parts repaired by the equipment have different mechanical properties of the new and old asphalt, so that the problems of secondary deformation and cracking are easy to occur.
Disclosure of Invention
The invention aims to provide asphalt pavement repairing equipment and a repairing method thereof, which can overcome the defects of the prior art, have high integration level and improve the repairing effect of asphalt pavements.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
An asphalt pavement repairing device comprises a vehicle body, wherein a binder storage box and an asphalt storage box are mounted on the vehicle body, a cutting blade is mounted at the head of the vehicle body, an air heater is mounted at the bottom of the vehicle body, and a compression roller is mounted at the tail of the vehicle body; one side of the cutting blade is sleeved on the hollow shaft in a sliding manner, the other side of the cutting blade is connected with the first motor through the driving shaft, a plurality of discharge holes communicated with the surface of the cutting blade are distributed in the cutting blade, the hollow shaft is communicated with the binder storage box through the first discharge pipe, a discharge hole is formed in the bottom edge of the hollow shaft, and different discharge holes are sequentially communicated with the discharge hole in the rotating process of the cutting blade; the asphalt storage box is connected with a second discharge pipe, and the second discharge pipe is arranged between the cutting blade and the air heater.
Preferably, the communication end of the discharge hole and the surface of the cutting blade is provided with an arc-shaped flange close to the circle center of the cutting blade, and a diversion trench is arranged between adjacent arc-shaped flanges.
Preferably, one side of the arc-shaped flange, which is close to the discharge hole, is connected with a tooth-shaped cutter head through a metal elastic sheet, and a support frame is fixed at one end of the metal elastic sheet, which is back to the rotating direction of the cutting blade.
Preferably, the outer side edge of the cutting blade is provided with a plurality of blind holes, and a shield is arranged above the cutting blade.
Preferably, one side of the compression roller is connected with the rotating shaft, the rotating shaft is connected with the vehicle body through a hydraulic rod, the other side of the compression roller is provided with a groove, a second motor is arranged in the groove, the second motor is connected with a pressure head through an eccentric wheel, the pressure head is in periodic contact with the inner wall of the groove, and the second motor is fixedly connected with the vehicle body.
Preferably, a scraper is arranged outside the press roll.
Preferably, the vehicle body is connected with a buckle through a universal joint, and the tail end of the second discharge pipe is clamped on the buckle.
The method for repairing the asphalt pavement repairing equipment comprises the following steps:
A. injecting a binder into the binder storage box, and injecting an asphalt raw material into the asphalt storage box;
the binder comprises 10-15 wt% of diisooctyl phthalate, 0.5-1 wt% of trioxymethylene, 20-30 wt% of ethoxylated octadecylamine, 3-5 wt% of cetylpyridinium bromide and the balance of coal tar pitch;
the asphalt raw material comprises 13-15 wt% of styrene butadiene rubber, 1.5-2 wt% of sodium dodecyl sulfate, 5-10 wt% of polyurethane, 5-10 wt% of mineral powder and the balance coal tar asphalt;
B. cutting the part to be repaired by a cutting blade, and simultaneously injecting a binder into a cutting gap;
C. spraying the asphalt raw material on the part to be repaired through a second discharge pipe;
D. the hot air blower heats and solidifies the part to be repaired;
E. and compacting the asphalt raw material by a compression roller.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: before the asphalt pavement is repaired, firstly, a repairing part is cut, and a binder is injected into a cutting gap by utilizing a discharge hole on a cutting blade while cutting; and then spraying the asphalt raw material on the repaired part, and realizing good combination of the asphalt raw material and the repaired part through heating, curing and compacting while the asphalt raw material permeates into the cutting gap. Through the full combination of the binder, the cut asphalt fragments and the asphalt raw materials in the cutting gap, the combination degree of the repaired part and the new asphalt raw materials is effectively improved, and the stress and the deformation uniformity of the repaired part are improved. The arc-shaped flange is used for preventing the adhesive from directly seeping out of the gap, and the adhesive blocked by the arc-shaped flange flows to two sides and is uniformly distributed in the gap through the diversion trench. The tooth-shaped cutter head is used for carrying out secondary cutting and crushing on the asphalt at the binder spraying position, so that the binder and asphalt scraps can be fully mixed. The support frame has improved the rigidity of metal shrapnel installation end to make metal shrapnel's different positions have different elastic deformation ability, the one end that elastic deformation ability is strong at first contacts with the pitch surface, can avoid profile of tooth tool bit jamming to appear, the powerful cutting effect of profile of tooth tool bit to the pitch surface can be guaranteed to the one end of installing the support frame simultaneously. The blind holes on the cutting blade are used for temporarily storing asphalt scraps generated in the cutting process, and the shield is used for reducing the splashing of the asphalt scraps so as to ensure that the asphalt scraps are fully combined with the adhesive. In the process of compacting the asphalt, the traditional rolling mode is not adopted, but the impact pressing on the asphalt surface is realized through the periodic motion of the pressing head on the basis of rolling. Moreover, the impact pressing is realized through the rotating compression roller, and compared with the independent impact pressing, the pressing uniformity of the asphalt surface can be improved by utilizing the pressing roller. The buckle is used for realizing the regulation to pitch spraying angle.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
Fig. 2 is a block diagram of a discharge opening in an embodiment of the present invention.
Fig. 3 is a block diagram of a serrated tool bit in an embodiment of the present invention.
Fig. 4 is a view showing the structure of the inside of a groove in an embodiment of the present invention.
FIG. 5 is an enlarged view of a portion of the blind hole location in one embodiment of the present invention.
In the figure: 1. a vehicle body; 2. a binder storage box; 3. an asphalt storage tank; 4. a cutting blade; 5. a first motor; 6. a hot air blower; 7. a compression roller; 8. a hollow shaft; 9. a drive shaft; 10. a discharge hole; 11. a first discharge pipe; 12. a discharge port; 13. a second discharge pipe; 14. an arcuate flange; 15. a diversion trench; 16. a metal spring sheet; 17. a toothed cutter head; 18. a support frame; 19. blind holes; 20. a shield; 21. a rotating shaft; 22. a hydraulic lever; 23. a groove; 24. a second motor; 25. an eccentric wheel; 26. a pressure head; 27. a squeegee; 28. a universal joint; 29. buckling; 30. and (4) a notch.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1-5, one embodiment of the invention comprises a vehicle body 1, wherein a binder storage tank 2 and an asphalt storage tank 3 are arranged on the vehicle body 1, a cutting blade 4 is arranged at the head of the vehicle body 1, a hot air blower 6 is arranged at the bottom of the vehicle body 1, and a compression roller 7 is arranged at the tail of the vehicle body 1; one side of a cutting blade 4 is sleeved on a hollow shaft 8 in a sliding mode, the other side of the cutting blade 4 is connected with a first motor 5 through a driving shaft 9, a plurality of discharge holes 10 communicated with the surface of the cutting blade 4 are distributed in the cutting blade 4, the hollow shaft 8 is communicated with a binder storage box 2 through a first discharge pipe 11, a discharge hole 12 is formed in the bottom edge of the hollow shaft 8, and different discharge holes 10 are sequentially communicated with the discharge hole 12 in the rotating process of the cutting blade 4; the asphalt storage tank 3 is connected with a second discharging pipe 13, and the second discharging pipe 13 is arranged between the cutting blade 4 and the hot air blower 6.
The method for repairing the asphalt pavement repairing equipment comprises the following steps:
A. injecting a binder into the binder storage box 2, and injecting an asphalt raw material into the asphalt storage box 3;
the binder comprises 12wt% of diisooctyl phthalate, 0.5wt% of trioxymethylene, 25wt% of ethoxylated octadecylamine, 4wt% of cetylpyridinium bromide and the balance of coal tar pitch;
the asphalt raw material comprises 15wt% of styrene butadiene rubber, 2wt% of sodium dodecyl sulfate, 5wt% of polyurethane, 6wt% of mineral powder and the balance coal tar asphalt;
B. the cutting blade 4 cuts the part to be repaired, and simultaneously, the adhesive is injected into a cutting gap;
C. spraying the asphalt raw material on the part to be repaired through a second discharge pipe 13;
D. the hot air blower 6 heats and solidifies the part to be repaired;
E. the press roll 7 compacts the asphalt material.
Before the asphalt pavement is repaired, firstly, a repairing part is cut, and simultaneously, a binder is injected into a cutting gap by utilizing a discharge hole 10 on a cutting blade 4; and then spraying the asphalt raw material on the repaired part, and realizing good combination of the asphalt raw material and the repaired part through heating, curing and compacting while the asphalt raw material permeates into the cutting gap. Through the full combination of the binder, the cut asphalt fragments and the asphalt raw materials in the cutting gap, the combination degree of the repaired part and the new asphalt raw materials is effectively improved, and the stress and the deformation uniformity of the repaired part are improved.
The communication end of the discharge hole 10 and the surface of the cutting blade 4 is provided with an arc flange 14 close to the circle center of the cutting blade 4, and a diversion trench 15 is arranged between the adjacent arc flanges 14. The arc-shaped flanges 14 are used for preventing the adhesive from directly seeping out of the gap, and the adhesive blocked by the arc-shaped flanges 14 flows to both sides and is uniformly distributed in the gap through the diversion grooves 15. One side of the arc-shaped flange 14 close to the discharge hole 10 is connected with a tooth-shaped cutter head 17 through a metal elastic sheet 16, and one end of the metal elastic sheet 16, which is back to the rotating direction of the cutting blade 4, is fixed with a support frame 18. The tooth-shaped cutter head 17 is used for carrying out secondary cutting and crushing on the asphalt at the binder spraying position, so that the binder and asphalt scraps can be fully mixed. Support frame 18 has improved the rigidity of metal shrapnel 16 installation end to make metal shrapnel 16's different positions have different elastic deformation ability, the one end that elastic deformation ability is strong at first contacts with the pitch surface, can avoid profile of tooth tool bit 17 jamming to appear, the powerful cutting effect of profile of tooth tool bit 17 to the pitch surface can be guaranteed to the one end of installing support frame 18 simultaneously. The outer edge of the cutting blade 4 is provided with a plurality of blind holes 19, and a shield 20 is arranged above the cutting blade 4. The blind holes 19 in the cutting blade 4 serve to temporarily store asphalt debris generated during the cutting process, and the shield 20 serves to reduce the splashing of the asphalt debris and to sufficiently bind the asphalt debris with the adhesive. One side of the compression roller 7 is connected with a rotating shaft 21, the rotating shaft 21 is connected with the vehicle body 1 through a hydraulic rod 22, the other side of the compression roller 7 is provided with a groove 23, a second motor 24 is arranged in the groove 23, the second motor 24 is connected with a pressure head 26 through an eccentric wheel 25, the pressure head 26 is periodically contacted with the inner wall of the groove 23, and the second motor 24 is fixedly connected with the vehicle body 1. A scraper 27 is arranged outside the press roll 7. In the process of compacting the asphalt, a traditional rolling mode is not adopted, and the impact pressing on the asphalt surface is realized through the periodic movement of the pressing head 26 on the basis of rolling. Moreover, the impact pressing is realized by the rotating compression roller 7, and compared with the single impact pressing, the pressing roller 7 can be utilized to improve the uniformity of the punching on the asphalt surface. The vehicle body 1 is connected with a buckle 29 through a universal joint 28, and the tail end of the second discharge pipe 13 is clamped on the buckle 29. The snap 29 is used to effect adjustment of the angle of the asphalt spray.
In addition, a notch 30 is arranged at the top edge of the blind hole 19, and the notch 30 is communicated with any one of the diversion trenches 15. Asphalt fragments temporarily stored in the blind holes 19 flow out through the gaps 30 and preferentially contact with the adhesive in the diversion trench 15, so that the asphalt fragments in the cutting gaps can be fully mixed with the adhesive.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. 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 (8)

1. The utility model provides an asphalt pavement repair equipment, includes automobile body (1), its characterized in that: the adhesive storage box (2) and the asphalt storage box (3) are mounted on the vehicle body (1), the head of the vehicle body (1) is provided with a cutting blade (4), the bottom of the vehicle body (1) is provided with an air heater (6), and the tail of the vehicle body (1) is provided with a compression roller (7); one side of each cutting blade (4) is sleeved on the hollow shaft (8) in a sliding mode, the other side of each cutting blade (4) is connected with the first motor (5) through the driving shaft (9), a plurality of discharge holes (10) communicated with the surface of each cutting blade (4) are formed in each cutting blade (4), the hollow shaft (8) is communicated with the binder storage box (2) through the first discharge pipe (11), a discharge hole (12) is formed in the bottom edge of the hollow shaft (8), and different discharge holes (10) are sequentially communicated with the discharge hole (12) in the rotating process of each cutting blade (4); the asphalt storage tank (3) is connected with a second discharge pipe (13), and the second discharge pipe (13) is arranged between the cutting blade (4) and the hot air blower (6).
2. The asphalt pavement restoration apparatus according to claim 1, characterized in that: the discharge opening (10) and the end that communicates on cutting blade (4) surface are close to cutting blade (4) centre of a circle one side and are provided with arc flange (14), are provided with guiding gutter (15) between adjacent arc flange (14).
3. The asphalt pavement restoration apparatus according to claim 2, characterized in that: one side of the arc-shaped flange (14) close to the discharge hole (10) is connected with a tooth-shaped tool bit (17) through a metal elastic sheet (16), and one end of the metal elastic sheet (16) back to the rotating direction of the cutting blade (4) is fixed with a support frame (18).
4. The asphalt pavement restoration apparatus according to claim 3, characterized in that: the outer side edge of the cutting blade (4) is provided with a plurality of blind holes (19), and a protective cover (20) is arranged above the cutting blade (4).
5. The asphalt pavement restoration apparatus according to claim 1, characterized in that: one side of the compression roller (7) is connected with the rotating shaft (21), the rotating shaft (21) is connected with the vehicle body (1) through the hydraulic rod (22), the other side of the compression roller (7) is provided with a groove (23), a second motor (24) is arranged in the groove (23), the second motor (24) is connected with a pressure head (26) through an eccentric wheel (25), the pressure head (26) is in periodic contact with the inner wall of the groove (23), and the second motor (24) is fixedly connected with the vehicle body (1).
6. The asphalt pavement restoration apparatus according to claim 5, characterized in that: and a scraper (27) is arranged on the outer side of the compression roller (7).
7. The asphalt pavement restoration apparatus according to claim 1, characterized in that: the car body (1) is connected with a buckle (29) through a universal joint (28), and the tail end of the second discharge pipe (13) is clamped on the buckle (29).
8. A repairing method of the asphalt pavement repairing apparatus according to any one of claims 1 to 7, characterized by comprising the steps of:
A. injecting a binder into the binder storage box (2), and injecting an asphalt raw material into the asphalt storage box (3);
the binder comprises 10-15 wt% of diisooctyl phthalate, 0.5-1 wt% of trioxymethylene, 20-30 wt% of ethoxylated octadecylamine, 3-5 wt% of cetylpyridinium bromide and the balance of coal tar pitch;
the asphalt raw material comprises 13-15 wt% of styrene butadiene rubber, 1.5-2 wt% of sodium dodecyl sulfate, 5-10 wt% of polyurethane, 5-10 wt% of mineral powder and the balance coal tar asphalt;
B. the cutting blade (4) cuts the part to be repaired, and simultaneously injects the binder into the cutting gap;
C. spraying the asphalt raw material on the part to be repaired through a second discharge pipe (13);
D. the hot air blower (6) heats and solidifies the part to be repaired;
E. the compression roller (7) compacts the asphalt raw material.
CN202010083268.1A 2020-02-08 2020-02-08 Asphalt pavement repairing equipment and repairing method thereof Active CN111119020B (en)

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Application Number Priority Date Filing Date Title
CN202010083268.1A CN111119020B (en) 2020-02-08 2020-02-08 Asphalt pavement repairing equipment and repairing method thereof

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Application Number Priority Date Filing Date Title
CN202010083268.1A CN111119020B (en) 2020-02-08 2020-02-08 Asphalt pavement repairing equipment and repairing method thereof

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CN111119020A true CN111119020A (en) 2020-05-08
CN111119020B CN111119020B (en) 2021-05-25

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JPH07328926A (en) * 1994-06-06 1995-12-19 Nippon Daiyamondo Kk Grinding wheel for grooving and grooving device
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CN2730926Y (en) * 2004-07-23 2005-10-05 武汉科技大学 Vibration road tamping roller
JP2011211883A (en) * 2010-03-26 2011-10-20 Kcl:Kk Protector against underground installed article
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CN207891703U (en) * 2017-12-25 2018-09-21 海森环保科技有限公司 A kind of heating scarifier tool-apron structure
CN207973978U (en) * 2018-01-15 2018-10-16 南通鸿基市政工程有限公司 A kind of Multifunctional asphalt road surface repair machine
CN208586497U (en) * 2018-07-19 2019-03-08 张恒 A kind of highway asphalt repair machine
CN109944146A (en) * 2019-03-25 2019-06-28 重庆大学 A kind of bituminous pavement flattening device
CN209243543U (en) * 2018-11-22 2019-08-13 喻雷 A kind of highway pavement crushing device
CN110184887A (en) * 2019-06-17 2019-08-30 中交第三公路工程局有限公司 Asphalt pavement construction method
CN110485248A (en) * 2019-09-12 2019-11-22 沃杰(北京)科技有限公司 Highway waste asphalt, which is rejected, regenerates construction integrated device
CN210086012U (en) * 2019-06-03 2020-02-18 河南万里交通科技集团股份有限公司 Quick processing apparatus of bituminous paving slight crack

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* Cited by examiner, † Cited by third party
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US2354586A (en) * 1940-01-26 1944-07-25 Albert C Fischer Method of and machine for treating and laying strip material from packages
DE3050821C2 (en) * 1980-06-16 1987-10-22 Reinhard 5461 Windhagen De Wirtgen
JPH07328926A (en) * 1994-06-06 1995-12-19 Nippon Daiyamondo Kk Grinding wheel for grooving and grooving device
US6394080B1 (en) * 2000-02-03 2002-05-28 Marking Specialist Corp Road surface cutting system and method for performing same
CN2592706Y (en) * 2002-08-27 2003-12-17 鞍山森远高等级公路养护机械制造有限公司 Multifunctional road surface repairing machine
CN2730926Y (en) * 2004-07-23 2005-10-05 武汉科技大学 Vibration road tamping roller
JP2011211883A (en) * 2010-03-26 2011-10-20 Kcl:Kk Protector against underground installed article
CN103864374A (en) * 2012-12-10 2014-06-18 中国石油天然气股份有限公司 Semi-flexible pavement base material and preparation method thereof
CN105273420A (en) * 2014-07-11 2016-01-27 中国石油化工股份有限公司 Emulsified asphalt with high softening point, and preparation method thereof
CN204097850U (en) * 2014-09-02 2015-01-14 中交西安筑路机械有限公司 A kind of cold asphalt rehabilitation device be assemblied on flexible pavement cold milling and planing machine
CN205347951U (en) * 2016-02-16 2016-06-29 田俊涛 Pavement cutting machine
KR101671684B1 (en) * 2016-03-15 2016-11-03 (주)우암시스템 Apparatus for cuttinng the Road surface to refair a manhole and manhole repairing method using the same
CN206298815U (en) * 2016-12-22 2017-07-04 山东科技大学 A kind of Novel cutting blade of road cutting machine
CN207891703U (en) * 2017-12-25 2018-09-21 海森环保科技有限公司 A kind of heating scarifier tool-apron structure
CN207973978U (en) * 2018-01-15 2018-10-16 南通鸿基市政工程有限公司 A kind of Multifunctional asphalt road surface repair machine
CN208586497U (en) * 2018-07-19 2019-03-08 张恒 A kind of highway asphalt repair machine
CN209243543U (en) * 2018-11-22 2019-08-13 喻雷 A kind of highway pavement crushing device
CN109944146A (en) * 2019-03-25 2019-06-28 重庆大学 A kind of bituminous pavement flattening device
CN210086012U (en) * 2019-06-03 2020-02-18 河南万里交通科技集团股份有限公司 Quick processing apparatus of bituminous paving slight crack
CN110184887A (en) * 2019-06-17 2019-08-30 中交第三公路工程局有限公司 Asphalt pavement construction method
CN110485248A (en) * 2019-09-12 2019-11-22 沃杰(北京)科技有限公司 Highway waste asphalt, which is rejected, regenerates construction integrated device

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