CN108086120A - A kind of multi-functional road repair device - Google Patents

A kind of multi-functional road repair device Download PDF

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Publication number
CN108086120A
CN108086120A CN201711417236.5A CN201711417236A CN108086120A CN 108086120 A CN108086120 A CN 108086120A CN 201711417236 A CN201711417236 A CN 201711417236A CN 108086120 A CN108086120 A CN 108086120A
Authority
CN
China
Prior art keywords
roller
car body
agitator tank
brill
movable plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711417236.5A
Other languages
Chinese (zh)
Inventor
李欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Tianshun Electronic Technology Co Ltd
Original Assignee
Zhengzhou Tianshun Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Tianshun Electronic Technology Co Ltd filed Critical Zhengzhou Tianshun Electronic Technology Co Ltd
Priority to CN201711417236.5A priority Critical patent/CN108086120A/en
Publication of CN108086120A publication Critical patent/CN108086120A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • E01C23/12Devices 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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
    • E01C23/122Devices 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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
    • E01C23/127Devices 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 taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus rotary, e.g. rotary hammers
    • 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
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/46Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing and placing the materials, e.g. slurry seals
    • E01C19/47Hydraulic cement concrete mixers combined with distributing means specially adapted for road building
    • 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
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E01C19/4806Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely rollers for consolidating or finishing

Abstract

The invention discloses a kind of multi-functional road repair devices, including car body and bore roller and agitator tank;Movable plate is equipped in the car body, brill roller is arranged on movable plate;The car body, which is located on the right side of the first driving motor, is equipped with agitator tank, and auger roller is equipped in agitator tank;The agitator tank bottom is communicated with discharge nozzle;Scraper bowl is equipped on the right side of the brill roller.The present invention is crushed by being equipped with the brill roller of lifting, road pavement;By being equipped with rotatable scraper bowl, broken disintegrating slag is cleared up;By being equipped with agitator tank, to mating formation, raw material is stirred, and the mobility of raw material of mating formation is kept, convenient for mating formation;By being equipped with compression roll, green road surface is compacted;The present invention integrates broken, mats formation, compacting functions, improves the efficiency of construction, easy to remove, has preferable promotional value.

Description

A kind of multi-functional road repair device
Technical field
The present invention relates to municipal machinery fields, are specifically a kind of multi-functional road repair device.
Background technology
Road is the blood vessel in city, adds the exchange and trade in city, and road surface is present with breakage over time, , it is necessary to timely be repaired, traditional repairing method needs to also need to manually grasp using a variety of machineries pit one by one for appearance Make;Need using hand-held broken road machine will pit it is broken nearby, form concordant seam, ensure repair efficiency, it is necessary to concrete or Person's asphalt stirring device is mated formation, it is necessary to manually compression roll is promoted to be compacted, more using machinery, mechanical transport and Using all more bothering, efficiency is to be improved;When needing to repair multiple pits, it is necessary to repeatedly transport multiple equipment and instrument, It is very bothersome.
The content of the invention
It is an object of the invention to provide a kind of multi-functional road repair device, to solve to propose in above-mentioned background technology The problem of.
To achieve the above object, the present invention provides following technical solution:
A kind of multi-functional road repair device including car body and bores roller and agitator tank;Movable plate is equipped in the car body, it is mobile Brill roller is arranged on plate;The brill roller both sides are equipped with multigroup driven brill roller, bore and are fixedly connected with the first driving motor at the top of roller;Institute It states movable plate both sides and is threaded with screw, screw extends to above car body and is connected with the second driving electricity;Between the screw It is connected by the second driving belt;The forward and backward side of movable plate, which abuts, coulisse;The car body is located at the first driving motor right side Side is equipped with agitator tank, and auger roller is equipped in agitator tank, and auger roller is equipped with helical blade;The auger roller extension To car body top and it is connected with the 3rd driving motor;The agitator tank bottom is communicated with discharge nozzle, and discharge nozzle is extended under car body Square and abutting has sealing plate;The first electric expansion cylinder is connected with by piston rod on the right side of the sealing plate;The agitator tank upper end connection There is feed pipe;Scraper bowl is equipped on the right side of the brill roller, scraper bowl is hinged with installing plate;The installing plate is hinged with the second electric expansion Cylinder, the second drive telescoping cylinder are hinged with scraper bowl by piston rod;Front end is equipped with idler wheel on the left of the car body, and pressure is equipped on the right side of car body Real roller;Push rod is fixedly connected on the right side of the car body.
As further embodiment of the present invention:The car body is hollow body structure.
As further embodiment of the present invention:The brill roller is rotatablely connected by bearing holder (housing, cover) and movable plate.
As further embodiment of the present invention:Multigroup driven brill roller longitudinal arrangement linear with boring roller, Duo Zucong Dynamic bore is connected between roller and brill roller by the first driving belt.
As further embodiment of the present invention:First driving motor is fixedly connected by supporting item with movable plate.
As further embodiment of the present invention:Second driving motor has been bolted to connection fixed plate, fixed Plate is fixedly connected with car body upper surface.
As further embodiment of the present invention:The feed pipe is extended to above car body.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention is carried out by being equipped with the brill roller of lifting, road pavement It is broken;By being equipped with rotatable scraper bowl, broken disintegrating slag is cleared up;By being equipped with agitator tank, to mating formation, raw material carries out Stirring keeps the mobility of raw material of mating formation, convenient for mating formation;By being equipped with compression roll, green road surface is compacted;Present invention collection Crush, mat formation, compacting functions are in one, improve the efficiency of construction, easy to remove, there is preferable promotional value.
Description of the drawings
Fig. 1 is the structure diagram of multi-functional road repair device;
Fig. 2 is that roller left view is bored in multi-functional road repair device;
Fig. 3 is the overlooking the structure diagram of movable plate in multi-functional road repair device.
In figure:1- car bodies;2- movable plates;3- bores roller;The first driving motors of 4-;The driven brill rollers of 5-;The first driving belts of 6-; 7- screws;8- coulisses;The second driving motors of 9-;10- fixed plates;The second driving belts of 11-;12- agitator tanks;13- spirals are stirred Mix roller;The 3rd driving motors of 14-;15- discharge nozzles;16- sealing plates;17- the first electric expansion cylinders;18- scraper bowls;19- second is electronic Telescoping cylinder;20- installing plates;21- front wheels;22- compression rolls;23- push rods;24- feed pipes.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment belongs to the scope of protection of the invention.
Please refer to Fig.1~3, in the embodiment of the present invention, a kind of multi-functional road repair device including car body 1 and bores roller 3 With agitator tank 12;The car body 1 is hollow body structure, and movable plate 2 is equipped in car body 1, is arranged on movable plate 2 and bores roller 3, 3 road pavement of roller is bored to be crushed;The brill roller 3 is rotatablely connected by bearing holder (housing, cover) and movable plate 2;3 both sides of the brill roller are equipped with more The driven brill roller 5 of group, multigroup driven brill roller 5 longitudinal arrangement linear with boring roller 3;Between multigroup driven brill roller 5 and brill roller 3 It is connected by the first driving belt 6, bores 3 top of roller and be fixedly connected with the first driving motor 4, the first driving motor 4 passes through support Part is fixedly connected with movable plate 2, and the first driving motor 4 is electrically connected with external power supply;2 both sides of movable plate are threaded with Screw 7, screw 7 extend to 1 top of car body and are connected with the second driving electricity 9, and the second driving motor 9 has been bolted to connection Fixed plate 10, fixed plate 10 are fixedly connected with 1 upper surface of car body;Second driving motor 9 is electrically connected with external power supply, silk It is connected between bar 7 by the second driving belt 11;The 2 forward and backward side of movable plate, which abuts, coulisse 8, movable plate 2 and coulisse 8 are slidably connected, and 8 both ends of coulisse are vertical with 1 inner wall of car body to be fixedly connected;The car body 1 is located at 4 right side of the first driving motor and sets There is agitator tank 12, auger roller 13 is equipped in agitator tank 12, auger roller 13 is equipped with helical blade, to pitch or coagulation Soil is stirred;The auger roller 13 extends to 1 top of car body and is connected with the 3rd driving motor 14, the 3rd driving motor 14 are fixedly connected by bolt with 1 upper surface of car body, and the 3rd driving motor 14 is electrically connected with external power supply;The agitator tank 12 Bottom is communicated with discharge nozzle 15, and discharge nozzle 15, which extends to 1 lower section of car body and abuts, sealing plate 16, and sealing plate 16 carries out discharge nozzle 15 Sealing;16 right side of sealing plate is connected with the first electric expansion cylinder 17, the first electric expansion cylinder 17 and external electrical by piston rod Source is electrically connected, and the first electric expansion cylinder 17 is fixedly connected with 1 bottom of car body, and the first electric expansion cylinder 17 is driven by piston rod 16 transverse shifting of sealing plate controls the opening and closing of discharge nozzle 15;12 upper end of agitator tank is communicated with feed pipe 24, and feed pipe 24 extends To 1 top of car body;3 right side of brill roller is equipped with scraper bowl 18, and scraper bowl 18 is hinged with installing plate 20, installing plate 20 and 1 bottom of car body Vertically it is fixedly connected;The installing plate 20 is hinged with the second electric expansion cylinder 19, and the second drive telescoping cylinder 19 is cut with scissors by piston rod Scraper bowl 18 is connected to, the second electric expansion cylinder 18 is electrically connected with external power supply, and the second electric expansion cylinder 19 is driven by piston rod Scraper bowl 18 rotates, and broken disintegrating slag is cleared up;The 1 left side front end of car body is equipped with idler wheel 21, and 1 right side of car body is equipped with compression roll 22, compression roll 22 is compacted to being newly laid with road surface;1 right side of car body is fixedly connected with push rod 23, is moved easily car body 1.
The present invention operation principle be:Concrete or pitch are added in by feed pipe 24 in agitator tank 12, start the Three driving motors 14, the 3rd driving motor 14 drive helical blade roller 13 to rotate, and helical blade carries out pitch or concrete Stirring makes it keep mobility, convenient for paved road;The pit for by push rod 23 car body 1 being promoted to be moved to road, is opened Dynamic first driving motor 4 and the second driving motor 9, the second driving motor 9 drive symmetrical screw 7 to rotate so that 2 band of movable plate Dynamic brill roller 3 and driven brill roller 5 move down, while the first driving motor 4 drives brill roller 3 and multigroup driven brill roller 5 to rotate, to recessed The road surface on hole and periphery is crushed, and promotes push rod so that roller 3 and multigroup driven brill 5 transverse shifting of roller is bored, at pothole Rectangular pit slot is broken off, starts the second electric expansion cylinder 19, the second electric expansion cylinder 19 drives scraper bowl 18 by piston rod It rotates counterclockwise so that scraper bowl 18 enters in pit slot, closes the second electric expansion cylinder 19, promotes push rod 23 so that scraper bowl 18 will Disintegrating slag is cleared from the pit slot of rectangle, then so that discharge nozzle 15 is directed at rectangle pit slot, starts the first electronic complaint cylinder 17, By piston rod sealing plate 16 is driven to move to the right, concrete or pitch are poured into from discharge nozzle 15 in rectangle pit slot, continue to push away Dynamic push rod 23 so that the concrete or pitch that compression roll 22 mats formation to pit slot are compacted.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (7)

1. a kind of multi-functional road repair device, including car body(1)With brill roller(3)And agitator tank(12);It is characterized in that, institute State car body(1)It is interior to be equipped with movable plate(2), movable plate(2)On be arranged with brill roller(3);The brill roller(3)Both sides are equipped with multigroup driven Bore roller(5), bore roller(3)Top is fixedly connected with the first driving motor(4);The movable plate(2)Both sides are threaded with screw (7), screw(7)Extend to car body(1)Top is simultaneously connected with the second driving electricity(9);The screw(7)Between pass through second transmission Belt(11)Connection;The movable plate(2)Forward and backward side, which abuts, coulisse(8);The car body(1)Positioned at the first driving motor (4)Right side is equipped with agitator tank(12), agitator tank(12)It is interior to be equipped with auger roller(13), auger roller(13)Equipped with helical-blade Piece;The auger roller(13)Extend to car body(1)Top is simultaneously connected with the 3rd driving motor(14);The agitator tank(12) Bottom is communicated with discharge nozzle(15), discharge nozzle(15)Extend to car body(1)Lower section and abut have sealing plate(16);The sealing plate(16) Right side is connected with the first electric expansion cylinder by piston rod(17);The agitator tank(12)Upper end is communicated with feed pipe(24);Institute State brill roller(3)Right side is equipped with scraper bowl(18), scraper bowl(18)It is hinged with installing plate(20);The installing plate(20)It is hinged with the second electricity Dynamic telescoping cylinder(19), second drives telescoping cylinder(19)Scraper bowl is hinged with by piston rod(18);The car body(1)Left side front end is set There is idler wheel(21), car body(1)Right side is equipped with compression roll(22);The car body(1)Right side is fixedly connected with push rod(23).
A kind of 2. multi-functional road repair device according to claim 1, which is characterized in that the car body(1)For sky The body structure of the heart.
A kind of 3. multi-functional road repair device according to claim 1, which is characterized in that the brill roller(3)Pass through Bearing holder (housing, cover) and movable plate(2)Rotation connection.
A kind of 4. multi-functional road repair device according to claim 1, which is characterized in that multigroup driven brill roller (5)With boring roller(3)Linear longitudinal arrangement, multigroup driven brill roller(5)With boring roller(3)Between pass through the first driving belt(6) Connection.
A kind of 5. multi-functional road repair device according to claim 1, which is characterized in that first driving motor (4)Pass through supporting item and movable plate(2)It is fixedly connected.
A kind of 6. multi-functional road repair device according to claim 1, which is characterized in that second driving motor (9)It has been bolted to connection fixed plate(10), fixed plate(10)With car body(1)Upper surface is fixedly connected.
A kind of 7. multi-functional road repair device according to claim 1, which is characterized in that the feed pipe(24)Prolong Extend car body(1)Top.
CN201711417236.5A 2017-12-25 2017-12-25 A kind of multi-functional road repair device Pending CN108086120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711417236.5A CN108086120A (en) 2017-12-25 2017-12-25 A kind of multi-functional road repair device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711417236.5A CN108086120A (en) 2017-12-25 2017-12-25 A kind of multi-functional road repair device

Publications (1)

Publication Number Publication Date
CN108086120A true CN108086120A (en) 2018-05-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711417236.5A Pending CN108086120A (en) 2017-12-25 2017-12-25 A kind of multi-functional road repair device

Country Status (1)

Country Link
CN (1) CN108086120A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108867290A (en) * 2018-08-16 2018-11-23 王爱军 A kind of road engineering asphalt paving device
CN109024210A (en) * 2018-09-19 2018-12-18 袁福英 A kind of municipal administration working method of pavement patching device
CN109056465A (en) * 2018-09-19 2018-12-21 袁福英 A kind of municipal administration pavement patching device
CN109056487A (en) * 2018-08-28 2018-12-21 孙同娟 A kind of compact road repair apparatus convenient for operation
CN109112932A (en) * 2018-09-10 2019-01-01 郑州靓岛建筑设计有限公司 A kind of asphalt paving device for building
CN109183575A (en) * 2018-11-07 2019-01-11 杜红东 A kind of construction asphalt paving device
CN111364328A (en) * 2020-03-31 2020-07-03 陈贵明 Multi-functional road surface equipment of laying for building
CN112211115A (en) * 2020-10-31 2021-01-12 姚云生 Bridge maintenance system convenient to adjust position
CN112227168A (en) * 2020-09-09 2021-01-15 杭州金知科技有限公司 Broken trimming equipment of road
CN112323579A (en) * 2020-11-05 2021-02-05 广东宏骏建筑工程有限公司 Rubble roadbed construction equipment
CN113349150A (en) * 2021-07-20 2021-09-07 中国水产科学研究院东海水产研究所 Transport ship for pseudosciaena crocea relay culture
CN115094736A (en) * 2022-07-16 2022-09-23 河南省中州公路工程有限公司 Repairing device for asphalt pavement

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203807923U (en) * 2014-02-26 2014-09-03 浙江海洋学院 Road asphalt scraping equipment
US20160024727A1 (en) * 2012-04-19 2016-01-28 Wirtgen Gmbh Runner Segment For An Edge Guard Of A Road Milling Machine, And Edge Guard For A Road Milling Machine
CN205474771U (en) * 2016-04-08 2016-08-17 郑州煤矿机械制造技工学校 Damaged pavement patching machine of pitch
CN206646385U (en) * 2017-03-19 2017-11-17 李秀丽 A kind of asphalt highway pit repairing car
CN107447638A (en) * 2017-08-30 2017-12-08 卢杰 A kind of municipal road surface quick-restoring device
CN107489087A (en) * 2017-09-06 2017-12-19 丁建丽 A kind of bituminous paving for asphalt concrete road automates repair apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160024727A1 (en) * 2012-04-19 2016-01-28 Wirtgen Gmbh Runner Segment For An Edge Guard Of A Road Milling Machine, And Edge Guard For A Road Milling Machine
CN203807923U (en) * 2014-02-26 2014-09-03 浙江海洋学院 Road asphalt scraping equipment
CN205474771U (en) * 2016-04-08 2016-08-17 郑州煤矿机械制造技工学校 Damaged pavement patching machine of pitch
CN206646385U (en) * 2017-03-19 2017-11-17 李秀丽 A kind of asphalt highway pit repairing car
CN107447638A (en) * 2017-08-30 2017-12-08 卢杰 A kind of municipal road surface quick-restoring device
CN107489087A (en) * 2017-09-06 2017-12-19 丁建丽 A kind of bituminous paving for asphalt concrete road automates repair apparatus

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108867290A (en) * 2018-08-16 2018-11-23 王爱军 A kind of road engineering asphalt paving device
CN109056487A (en) * 2018-08-28 2018-12-21 孙同娟 A kind of compact road repair apparatus convenient for operation
CN109112932A (en) * 2018-09-10 2019-01-01 郑州靓岛建筑设计有限公司 A kind of asphalt paving device for building
CN109024210A (en) * 2018-09-19 2018-12-18 袁福英 A kind of municipal administration working method of pavement patching device
CN109056465A (en) * 2018-09-19 2018-12-21 袁福英 A kind of municipal administration pavement patching device
CN109183575A (en) * 2018-11-07 2019-01-11 杜红东 A kind of construction asphalt paving device
CN111364328A (en) * 2020-03-31 2020-07-03 陈贵明 Multi-functional road surface equipment of laying for building
CN112227168A (en) * 2020-09-09 2021-01-15 杭州金知科技有限公司 Broken trimming equipment of road
CN112211115A (en) * 2020-10-31 2021-01-12 姚云生 Bridge maintenance system convenient to adjust position
CN112211115B (en) * 2020-10-31 2021-07-16 姚云生 Bridge maintenance system convenient to adjust position
CN112323579A (en) * 2020-11-05 2021-02-05 广东宏骏建筑工程有限公司 Rubble roadbed construction equipment
CN113349150A (en) * 2021-07-20 2021-09-07 中国水产科学研究院东海水产研究所 Transport ship for pseudosciaena crocea relay culture
CN115094736A (en) * 2022-07-16 2022-09-23 河南省中州公路工程有限公司 Repairing device for asphalt pavement
CN115094736B (en) * 2022-07-16 2024-04-09 河南省中州公路工程有限公司 Repairing device for asphalt pavement

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Application publication date: 20180529

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