CN103628400A - Integrated device for cleaning and repairing cement concrete pavement cracks - Google Patents
Integrated device for cleaning and repairing cement concrete pavement cracks Download PDFInfo
- Publication number
- CN103628400A CN103628400A CN201310659020.5A CN201310659020A CN103628400A CN 103628400 A CN103628400 A CN 103628400A CN 201310659020 A CN201310659020 A CN 201310659020A CN 103628400 A CN103628400 A CN 103628400A
- Authority
- CN
- China
- Prior art keywords
- cement concrete
- repaired
- integrated apparatus
- motor
- concrete cracks
- 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.)
- Granted
Links
Images
Landscapes
- Road Repair (AREA)
Abstract
The invention relates to an integrated device for cleaning and repairing cement concrete pavement cracks. The integrated device comprises a bodywork, wherein a milling part, a material recycling part, a washing tool, a mixing and filling part and a vibrating ramming part are sequentially arranged on the bodywork from the front part to the rear part; the milling part is used for carrying out milling treatment on the damaged parts of a concrete pavement; the material recycling part is used for collecting concrete wastes which are produced after the milling treatment; the washing tool is used for clearing a milled zone and clearing deposited water in the milled zone away; the mixing and filling part is used for preparing concrete which is designed according to a ratio and pouring the concrete to the milled zone; the vibrating ramming part is used for processing the filled part. The integrated device has the benefits of reasonability in design, integration of the procedures and equipment of milling, material recycling, washing, mixing, filling and vibrating ramming, compact structure, ordered construction, environmental protection, energy saving and high practical value.
Description
Technical field
The invention belongs to pavement construction machinery technology, highway construction equipment technology, cement concrete pavement maintenance and repair apparatus technology, integrated apparatus is repaired in especially a kind of cement concrete cracks cleaning.
Background technology
Rigid pavement has that intensity is high, good stability, good endurance, maintenance costs are few, economic benefit advantages of higher, with domestic infrastructure construction paces, accelerate, but cement concrete is due to aspects reasons such as construction wrong, reloading, climatic effect and material agings, cause road surface local damage, should repair in time, with further spreading of breakage-proof, and then the effect that extends pavement life.
The continuous increase of common, speedway, makes the demand of highway maintenance equipment also increasing.Traditional method for repairing and mending is to utilize groover road pavement destruction place fluting, with blast fan or hand sweeping, manually vibrate and easily cause the serious mass defects such as inhomogeneous, the closely knit depth as shallow of road surface compactness, surface evenness be poor, exist on the whole waste of manpower, material resources, inefficiency, dedusting not thoroughly, the shortcoming such as pavement patching is of poor quality.Meanwhile, highway maintenance equipment, particularly scene used is mixed or single plane milling, repair apparatus exist complex procedures now, is connected execute-in-place problem improperly, and existing pavement maintenance truck exists big for environment pollutionly simultaneously, can not meet the requirement of energy-conserving and environment-protective.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, provides reasonable, the economical and practical cement concrete cracks cleaning of a kind of compact conformation to repair integrated apparatus.
The present invention solves the technical scheme that its technical problem adopts: integrated apparatus is repaired in this cement concrete cracks cleaning, comprises vehicle body, before and after vehicle body, is provided with successively: plane milling parts, for destruction position, rigid pavement being dug to milling, process; Feed back parts, for collecting the concrete waste material producing after plane milling is processed; Scrub apparatus, for Dui Paoxi district, clear up, its inner ponding is removed clean; Stir packing elements, for the preparation of the concrete of pressing proportion design, and blanking Zhi Paoxi district; And the compacting parts that vibrate, for filler position is processed.
Described plane milling parts comprise motor, and motor is connected with the plane milling facility that are positioned on chassis frame by gearbox, and top, plane milling facility front side is provided with the nozzle being connected with water tank.
Described feed back parts comprise prime mover, the rigidity chip suction pipe of suction are provided by prime mover, and rigidity chip suction pipe is connected with debris collection.As preferably, the opening part of described rigidity chip suction pipe is discoid, has expanded the absorption scope of chip, and better Dui Paoxi clears up in district.
Describedly scrub the rotating brushes that apparatus comprises motor and power is provided by motor.As preferably, between described motor and rotating brushes, by expansion link, be connected, according to the degree of depth in Pao Xi district, can regulate, guarantee the removing of bottom, Pao Xi district ponding.
Described stirring packing elements comprises material lifting device and mixing drum, and mixing drum is connected with blanking tube.As preferably, in described mixing drum, adopt the above pea gravel concreten of C40, mixing time is controlled in 3min.
The described compacting parts that vibrate comprise vibration motor, the vibration-type vibrator of power are provided by vibration motor, and vibration-type vibrator rear side is provided with the pressure roller being connected with vehicle body by pressing roller holder.As preferably, the time of vibrating by vibration-type vibrator is no more than 30s, with concrete, no longer sinks, and does not occur bubble, surperficial bleeding and having an even surface as good.
Inventing useful effect is: the present invention is reasonable in design, integrates plane milling, feed back, cleaning, stirring filler, vibrate compacting operation and equipment, compact conformation, and in order, environmental protection and energy saving, have very high practical value in construction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Description of reference numerals: plane milling facility 1, motor 2, gearbox 3, water tank 4, nozzle 5, rigidity chip suction pipe 6, prime mover 7, debris collection 8, rotating brushes 9, expansion link 10, motor 11, material lifting device 12, mixing drum 13, blanking tube 14, vibration-type vibrator 15, vibration motor 16, pressing roller holder 17, pressure roller 18.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
Embodiment: as Fig. 1, plant cement concrete cracks cleaning and repair integrated apparatus, comprise vehicle body, before and after vehicle body, be provided with successively: dig milling parts, feed back parts, scrub apparatus, stir packing elements and the compacting parts that vibrate, for filler position is processed.
Described plane milling parts comprise motor 2, and motor 2 is connected with the plane milling facility 1 that are positioned on chassis frame by gearbox 3, and plane milling facility 1 top, front side is provided with the nozzle 5 being connected with water tank 4.
Described feed back parts comprise prime mover 7, the rigidity chip suction pipe 6 of suction are provided by prime mover 7, and rigidity chip suction pipe 6 is connected with debris collection 8.
Describedly scrub the rotating brushes 9 that apparatus comprises motor 11 and power is provided by motor 11, between motor 11 and rotating brushes 9, by expansion link 10, be connected.
Described stirring packing elements comprises material lifting device 12 and mixing drum 13, and mixing drum 13 is connected with blanking tube 14.
The described compacting parts that vibrate comprise vibration motor 16, the vibration-type vibrator 15 of power are provided by vibration motor 16, and vibration-type vibrator 15 rear sides are provided with the pressure roller 18 being connected with vehicle body by pressing roller holder 17.
This system and device is assemblied on work car by working procedure, and plane milling facility 1 are suspended on chassis vehicle frame, by plane milling, milling is dug in destruction position, rigid pavement and processes, and in plane milling process, with nozzle 5 water outlets, to plane milling apparatus 1, carries out in real time cooling; Concrete waste material after processing is collected by the suction inlet dish of plane milling apparatus 1 rear rigidity chip suction pipe 6 front ends, utilizes prime mover 7, enters in debris collection 8, then clear up by the washing device Dui Paoxi district of hypomere through rigidity chip suction pipe 6; In mixing drum 13, prepare the concrete by proportion design, through blanking tube, fall within Pao Xi district 14 times, then filler position is processed with compacting equipment by vibrating.The present invention integrates plane milling, feed back, cleaning, filler, compacting operation and equipment, and compact conformation is reasonable, and multi-functional, high efficiency can be promoted the use of in Cement Concrete Pavement Maintenance.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (10)
1. an integrated apparatus is repaired in cement concrete cracks cleaning, comprises vehicle body, it is characterized in that: before and after vehicle body, be provided with successively:
Plane milling parts, process for destruction position, rigid pavement being dug to milling;
Feed back parts, for collecting the concrete waste material producing after plane milling is processed;
Scrub apparatus, for Dui Paoxi district, clear up, its inner ponding is removed clean;
Stir packing elements, for the preparation of the concrete of pressing proportion design, and blanking Zhi Paoxi district;
And the compacting parts that vibrate, for filler position is processed.
2. integrated apparatus is repaired in cement concrete cracks cleaning according to claim 1, it is characterized in that: described plane milling parts comprise motor (2), motor (2) is connected with the plane milling facility (1) that are positioned on chassis frame by gearbox (3), and top, plane milling facility (1) front side is provided with the nozzle (5) being connected with water tank (4).
3. integrated apparatus is repaired in cement concrete cracks cleaning according to claim 1, it is characterized in that: described feed back parts comprise prime mover (7), the rigidity chip suction pipe (6) of suction is provided by prime mover (7), and rigidity chip suction pipe (6) is connected with debris collection (8).
4. integrated apparatus is repaired in cement concrete cracks cleaning according to claim 3, it is characterized in that: the opening part of described rigidity chip suction pipe (6) is discoid.
5. integrated apparatus is repaired in cement concrete cracks according to claim 1 cleaning, it is characterized in that: described in scrub the rotating brushes (9) that apparatus comprises motor (11) and power is provided by motor (11).
6. integrated apparatus is repaired in cement concrete cracks cleaning according to claim 5, it is characterized in that: between described motor (11) and rotating brushes (9), by expansion link (10), be connected.
7. integrated apparatus is repaired in cement concrete cracks cleaning according to claim 1, it is characterized in that: described stirring packing elements comprises material lifting device (12) and mixing drum (13), and mixing drum (13) is connected with blanking tube (14).
8. integrated apparatus is repaired in cement concrete cracks cleaning according to claim 7, it is characterized in that: in described mixing drum (13), adopt the above pea gravel concreten of C40, mixing time is controlled in 3min.
9. integrated apparatus is repaired in cement concrete cracks cleaning according to claim 1, it is characterized in that: described in the compacting parts that vibrate comprise vibration motor (16), the vibration-type vibrator (15) of power be provided by vibration motor (16), vibration-type vibrator (15) rear side is provided with the pressure roller (18) being connected with vehicle body by pressing roller holder (17).
10. integrated apparatus is repaired in cement concrete cracks cleaning according to claim 9, it is characterized in that: the time of vibrating by vibration-type vibrator (15) is no more than 30s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310659020.5A CN103628400B (en) | 2013-12-06 | Integrated apparatus is repaired in a kind of cement concrete cracks cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310659020.5A CN103628400B (en) | 2013-12-06 | Integrated apparatus is repaired in a kind of cement concrete cracks cleaning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103628400A true CN103628400A (en) | 2014-03-12 |
| CN103628400B CN103628400B (en) | 2016-11-30 |
Family
ID=
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863041A (en) * | 2015-06-15 | 2015-08-26 | 郝志付 | Multi-functional road maintenance device |
| CN105002812A (en) * | 2015-05-22 | 2015-10-28 | 柳州博实唯汽车科技有限公司 | Milling and planing machine vehicle body chassis |
| CN105297601A (en) * | 2015-11-20 | 2016-02-03 | 长安大学 | Small multi-function asphalt pavement repair machine |
| CN105442421A (en) * | 2014-08-11 | 2016-03-30 | 宝马格有限公司 | Ground milling machine, and method for dismounting and mounting milling device |
| CN106958185A (en) * | 2017-04-19 | 2017-07-18 | 临沂大学 | A kind of small-sized highway is broken to repair all-in-one |
| CN107083739A (en) * | 2017-05-27 | 2017-08-22 | 芜湖思科生产力促进中心有限公司 | A kind of sandstone filling car of road surface temporary repair |
| CN107881899A (en) * | 2017-11-30 | 2018-04-06 | 储茂松 | A kind of silicate concrete road surface cleaning repairing integration apparatus |
| CN107938487A (en) * | 2017-11-30 | 2018-04-20 | 倪立秧 | A kind of bridge concrete road plays sand road intelligence repairing construction system |
| CN107938486A (en) * | 2017-11-30 | 2018-04-20 | 王国超 | A kind of cement concrete road road surface automates prosthetic appliance |
| CN107988883A (en) * | 2017-11-30 | 2018-05-04 | 王国超 | A kind of fiber concrete road high efficiency maintenance construction is intelligently equipped |
| CN107988889A (en) * | 2017-11-30 | 2018-05-04 | 吴传江 | One kind is used for bituminous concrete and plays sand road system for automatic marker making and mobile cleaning machinery |
| CN108004901A (en) * | 2017-11-30 | 2018-05-08 | 倪敏芳 | A kind of plaster concrete plays sand road and intelligently restores integrated construction machine |
| CN108004889A (en) * | 2017-11-30 | 2018-05-08 | 吴传江 | A kind of polymer cement concrete pavement face intelligent maintenance robot of system for automatic marker making |
| CN108867291A (en) * | 2018-08-20 | 2018-11-23 | 国诚集团有限公司 | Municipal administration pavement patching equipment and method for repairing and mending |
| CN109024193A (en) * | 2018-08-20 | 2018-12-18 | 国诚集团有限公司 | Town road pitch one laydown machine |
| CN110080077A (en) * | 2019-05-20 | 2019-08-02 | 枣庄学院 | For carrying out the device and method of minimally invasive improvement to potential road frost boiling disaster |
| CN110106768A (en) * | 2019-04-22 | 2019-08-09 | 安徽信睦信息科技有限公司 | It is a kind of to fill the municipal works road gap-grouting device mended according to crack radian |
| CN110983920A (en) * | 2019-12-24 | 2020-04-10 | 尹健雄 | Cement road surface accelerated solidification leveling machine |
| CN111287063A (en) * | 2020-02-28 | 2020-06-16 | 安庆米锐智能科技有限公司 | Method for quickly repairing concrete road pavement cracks |
| CN111996928A (en) * | 2020-09-03 | 2020-11-27 | 侯小柱 | Bridge crack repairing method |
| CN112012085A (en) * | 2020-09-14 | 2020-12-01 | 徐政涛 | Quick prosthetic devices of road |
| CN112176841A (en) * | 2020-09-27 | 2021-01-05 | 吴皎阳 | Asphalt road repairing device capable of filling bending cracks |
| CN112458856A (en) * | 2020-11-17 | 2021-03-09 | 尚福涛 | Road and bridge construction road surface concrete patching device |
| CN113417198A (en) * | 2021-07-15 | 2021-09-21 | 神华北电胜利能源有限公司 | Road repairing machine |
| CN114016364A (en) * | 2021-12-11 | 2022-02-08 | 浙江广誉建设有限公司 | Pavement repairing equipment for municipal engineering and construction method |
| CN114319451A (en) * | 2021-12-30 | 2022-04-12 | 青岛卓航睿智信息科技有限公司 | High-efficient well lid demolishs device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1485496A (en) * | 2002-09-29 | 2004-03-31 | 孙祖望 | Heat mending process for asphalt pavement pit and apparatus for mending pit |
| US20040175234A1 (en) * | 2003-03-06 | 2004-09-09 | Wayne Michael Lee | Pavement recycling machine and method of recycling pavement |
| CN101942795A (en) * | 2009-07-09 | 2011-01-12 | 胡宗甫 | Intelligent road repair automobile |
| CN102154975A (en) * | 2011-02-18 | 2011-08-17 | 招商局重庆交通科研设计院有限公司 | Intelligent car for repairing pits in asphalt roads |
| CN102518033A (en) * | 2012-01-06 | 2012-06-27 | 长安大学 | Asphalt pavement round pit milling-planing equipment capable of automatically recycling milling-planing particles |
| CN203625756U (en) * | 2013-12-06 | 2014-06-04 | 浙江建设职业技术学院 | Integrated device for clearing and repairing cement concrete pavement cracks |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1485496A (en) * | 2002-09-29 | 2004-03-31 | 孙祖望 | Heat mending process for asphalt pavement pit and apparatus for mending pit |
| US20040175234A1 (en) * | 2003-03-06 | 2004-09-09 | Wayne Michael Lee | Pavement recycling machine and method of recycling pavement |
| CN101942795A (en) * | 2009-07-09 | 2011-01-12 | 胡宗甫 | Intelligent road repair automobile |
| CN102154975A (en) * | 2011-02-18 | 2011-08-17 | 招商局重庆交通科研设计院有限公司 | Intelligent car for repairing pits in asphalt roads |
| CN102518033A (en) * | 2012-01-06 | 2012-06-27 | 长安大学 | Asphalt pavement round pit milling-planing equipment capable of automatically recycling milling-planing particles |
| CN203625756U (en) * | 2013-12-06 | 2014-06-04 | 浙江建设职业技术学院 | Integrated device for clearing and repairing cement concrete pavement cracks |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442421A (en) * | 2014-08-11 | 2016-03-30 | 宝马格有限公司 | Ground milling machine, and method for dismounting and mounting milling device |
| CN105442421B (en) * | 2014-08-11 | 2018-06-05 | 宝马格有限公司 | Ground milling machine and the method for removing and being mounted thereto milling equipment |
| CN105002812A (en) * | 2015-05-22 | 2015-10-28 | 柳州博实唯汽车科技有限公司 | Milling and planing machine vehicle body chassis |
| CN104863041B (en) * | 2015-06-15 | 2018-03-13 | 郝志付 | All-purpose road curing means |
| CN104863041A (en) * | 2015-06-15 | 2015-08-26 | 郝志付 | Multi-functional road maintenance device |
| CN105297601A (en) * | 2015-11-20 | 2016-02-03 | 长安大学 | Small multi-function asphalt pavement repair machine |
| CN106958185A (en) * | 2017-04-19 | 2017-07-18 | 临沂大学 | A kind of small-sized highway is broken to repair all-in-one |
| CN107083739A (en) * | 2017-05-27 | 2017-08-22 | 芜湖思科生产力促进中心有限公司 | A kind of sandstone filling car of road surface temporary repair |
| CN107881899A (en) * | 2017-11-30 | 2018-04-06 | 储茂松 | A kind of silicate concrete road surface cleaning repairing integration apparatus |
| CN107938487A (en) * | 2017-11-30 | 2018-04-20 | 倪立秧 | A kind of bridge concrete road plays sand road intelligence repairing construction system |
| CN107938486A (en) * | 2017-11-30 | 2018-04-20 | 王国超 | A kind of cement concrete road road surface automates prosthetic appliance |
| CN107988883A (en) * | 2017-11-30 | 2018-05-04 | 王国超 | A kind of fiber concrete road high efficiency maintenance construction is intelligently equipped |
| CN107988889A (en) * | 2017-11-30 | 2018-05-04 | 吴传江 | One kind is used for bituminous concrete and plays sand road system for automatic marker making and mobile cleaning machinery |
| CN108004901A (en) * | 2017-11-30 | 2018-05-08 | 倪敏芳 | A kind of plaster concrete plays sand road and intelligently restores integrated construction machine |
| CN108004889A (en) * | 2017-11-30 | 2018-05-08 | 吴传江 | A kind of polymer cement concrete pavement face intelligent maintenance robot of system for automatic marker making |
| CN109024193A (en) * | 2018-08-20 | 2018-12-18 | 国诚集团有限公司 | Town road pitch one laydown machine |
| CN109024193B (en) * | 2018-08-20 | 2020-08-18 | 国诚集团有限公司 | Integrative laying machine of town road pitch |
| CN108867291B (en) * | 2018-08-20 | 2020-11-03 | 国诚集团有限公司 | Municipal road surface repairing equipment and repairing method |
| CN108867291A (en) * | 2018-08-20 | 2018-11-23 | 国诚集团有限公司 | Municipal administration pavement patching equipment and method for repairing and mending |
| CN110106768B (en) * | 2019-04-22 | 2020-12-04 | 无锡市鸣腾建设工程股份有限公司 | Can irritate road cementation of fissures device for municipal works of benefit according to crack radian |
| CN110106768A (en) * | 2019-04-22 | 2019-08-09 | 安徽信睦信息科技有限公司 | It is a kind of to fill the municipal works road gap-grouting device mended according to crack radian |
| CN110080077A (en) * | 2019-05-20 | 2019-08-02 | 枣庄学院 | For carrying out the device and method of minimally invasive improvement to potential road frost boiling disaster |
| CN110983920A (en) * | 2019-12-24 | 2020-04-10 | 尹健雄 | Cement road surface accelerated solidification leveling machine |
| CN111287063A (en) * | 2020-02-28 | 2020-06-16 | 安庆米锐智能科技有限公司 | Method for quickly repairing concrete road pavement cracks |
| CN111287063B (en) * | 2020-02-28 | 2020-10-30 | 山西同创建筑工程有限公司 | Method for quickly repairing concrete road pavement cracks |
| CN111996928A (en) * | 2020-09-03 | 2020-11-27 | 侯小柱 | Bridge crack repairing method |
| CN112012085A (en) * | 2020-09-14 | 2020-12-01 | 徐政涛 | Quick prosthetic devices of road |
| CN112176841A (en) * | 2020-09-27 | 2021-01-05 | 吴皎阳 | Asphalt road repairing device capable of filling bending cracks |
| CN112458856A (en) * | 2020-11-17 | 2021-03-09 | 尚福涛 | Road and bridge construction road surface concrete patching device |
| CN113417198A (en) * | 2021-07-15 | 2021-09-21 | 神华北电胜利能源有限公司 | Road repairing machine |
| CN114016364A (en) * | 2021-12-11 | 2022-02-08 | 浙江广誉建设有限公司 | Pavement repairing equipment for municipal engineering and construction method |
| CN114319451A (en) * | 2021-12-30 | 2022-04-12 | 青岛卓航睿智信息科技有限公司 | High-efficient well lid demolishs device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203625756U (en) | Integrated device for clearing and repairing cement concrete pavement cracks | |
| CN103643623B (en) | Integral system device is repaired in a kind of bituminous paving plane milling | |
| CN204608578U (en) | A kind of asphalt pavement repairing is cared the car | |
| CN203668805U (en) | Milling and repairing integrated system device for bituminous pavements | |
| CN208235286U (en) | A kind of pavement damage quick repairing machine | |
| CN107447638A (en) | A kind of municipal road surface quick-restoring device | |
| CN107366216A (en) | A kind of town road cuts joint filling device | |
| CN204690551U (en) | A kind of Portable broken-stone material distributing machine for road pavement defect treatment | |
| CN107351244B (en) | A kind of construction concrete mix device | |
| CN215104552U (en) | Highway is cementation of fissures device for bituminous paving maintenance | |
| CN112176844A (en) | Quick-repair type municipal road filling and repairing engineering vehicle on site | |
| CN111041957B (en) | Road surface crack patching device is used in traffic engineering construction | |
| CN113399072B (en) | Multistage crushing, filtering and converting recycling processing device for shield slag soil | |
| CN205420986U (en) | Integral type bituminous paving digs and mills restoration car | |
| CN215976717U (en) | Road surface compaction device that municipal works were used | |
| CN103628400A (en) | Integrated device for cleaning and repairing cement concrete pavement cracks | |
| CN103628400B (en) | Integrated apparatus is repaired in a kind of cement concrete cracks cleaning | |
| CN108867295A (en) | A kind of adjustable-width asphalt concrete pavement Slice by slice cutting recycling machine | |
| CN109750587A (en) | A kind of multi-faceted asphalt concrete pavement Slice by slice cutting recycling machine | |
| CN205236358U (en) | Few stone recovery unit is remained in filtration | |
| CN106049244A (en) | Pavement thermal regeneration method | |
| CN204325886U (en) | A kind of road quick-restoring device | |
| CN205000219U (en) | Ceramic tile is laid ground and is scraped flat -bed machine | |
| CN215887858U (en) | Pavement crack repairing device for highway maintenance | |
| CN210238249U (en) | Bituminous paving patching device for municipal works |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20201206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |