CN109958068A - A kind of device for highway bridge crack repairing - Google Patents
A kind of device for highway bridge crack repairing Download PDFInfo
- Publication number
- CN109958068A CN109958068A CN201910281008.2A CN201910281008A CN109958068A CN 109958068 A CN109958068 A CN 109958068A CN 201910281008 A CN201910281008 A CN 201910281008A CN 109958068 A CN109958068 A CN 109958068A
- Authority
- CN
- China
- Prior art keywords
- car body
- agitator tank
- fixed
- highway bridge
- repairing
- 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
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Classifications
-
- 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
- E01C23/0966—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 filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0973—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 filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of devices for highway bridge crack repairing, it is related to construction machinery technical field, the car body, headstock and the hairbrush transfer roller for being mounted on vehicle bottom of traveling wheel are installed including bottom, agitator tank is fixed on car body, vehicle bottom is equipped with the drainage conduit being connected to agitator tank, rabbling mechanism is equipped in agitator tank, rabbling mechanism includes the swivel mount being rotatably installed in agitator tank, agitating shaft surface is evenly equipped with several stirring blades, the vehicle bottom is hinged with adjusting rod, and adjusting rod lower end is elasticly connected with pressure roller；The present invention can adequately stir the pitch in agitator tank by rabbling mechanism before laying mends a split, improve the mobility of pitch, so that discharge velocity when pitch mends a split is faster, it can enter in crack faster, and the pressure roller being arranged can be smooth to the crack progress after repairing with the movement of car body, road surface after repairing is more smooth, ensure that the repairing quality in crack.
Description
Technical field
The present invention relates to construction machinery technical field, specifically a kind of device for highway bridge crack repairing.
Background technique
Construction refers to the production activity of engineering construction implementation phase, is the building course of all kinds of buildings, can also be with
It says it is various lines on design drawing, in specified place, becomes process in kind.It includes basic engineering construction, master
Body structure construction, roof construction, decorative engineering construction etc..The place of construction operation is known as " construction site " or cries
" construction site ", is also named building site.
During the construction operation of highway bridge, it is often necessary to which fracture is repaired in time, to guarantee road surface
It is smooth, a kind of dress for highway bridge crack repairing is disclosed in the patent application that application publication number is CN108589563A
It sets, including fixed plate, cleaning roller, the first material guide device and the second material guide device, the device is for highway bridge crack repairing
Device, crack are cleaned out, and are conducive to subsequent highway bridge crack repairing, but above-mentioned apparatus is dripped when carrying out crack repairing
Blueness lacks sufficient agitation, and mobility is poor, is unfavorable for promoting repair efficiency, for this purpose, now providing a kind of for highway
The device of Bridge Crack repairing, to solve the above technical problems.
Summary of the invention
The purpose of the present invention is to provide a kind of devices for highway bridge crack repairing, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of device for highway bridge crack repairing, including car body and headstock, car body are equipped with bottom and have discharge
The agitator tank of pipe, agitator tank is interior to be equipped with rabbling mechanism, and the rabbling mechanism includes the swivel mount being rotatably installed in agitator tank, rotation
Rotary type is set there are two planetary gear on pivoted frame, and stirring chamber interior wall is fixed with the ring gear engaged with planetary gear, planetary gear
On be coaxially fixed with agitating shaft, agitating shaft surface is evenly equipped with several stirring blades, and the vehicle bottom is hinged with adjusting rod, adjust
Pole lower end is elasticly connected with pressure roller, and vehicle bottom rotary type is equipped with hairbrush transfer roller.
As an improvement of the present invention: the car body is equipped with output shaft and is arranged the motor for being fixed with driving gear,
Agitator tank surface is arranged the outer gear ring for being fixed with and engaging with driving gear.
As an improvement of the present invention: the output by pulley mechanism and motor is fixed on the swivel mount
Axis transmission connection.
As an improvement of the present invention: the vehicle bottom is fixed with servo motor, the output shaft of servo motor
It is fixed with threaded rod, thread bush block is arranged on threaded rod, bridging, the installation of hairbrush transfer roller are hinged on thread bush block and car body
In bridging lower end.
As an improvement of the present invention: being hinged with electric pushrod between the car body and adjusting rod.
As an improvement of the present invention: the adjusting rod lower end is fixed with back-shaped frame, and sliding is worn in back-shaped frame
There is connecting shaft, connecting shaft is coaxially fixed with pressure roller.
As an improvement of the present invention: being slidably fitted with the arc slid against with connecting shaft in the back-shaped frame
Sliding block is fixed with limit spring between arc shaped slider and back-shaped frame.
As an improvement of the present invention: the vehicle bottom is fixed with delivery pump, the input end of delivery pump and goes out
Mouth end is connected to agitator tank and drainage conduit respectively.
Compared with prior art, the beneficial effects of the present invention are:
The present invention can adequately stir the pitch in agitator tank by rabbling mechanism before laying mends a split,
The mobility of pitch is improved, so that discharge velocity when pitch mends a split is faster, can be entered in crack faster, and is set
The pressure roller set can be smooth to the crack progress after repairing with the movement of car body, and the road surface after repairing is more smooth, ensure that and splits
The repairing quality of seam.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the enlarged diagram in the portion A in Fig. 1；
Fig. 3 is the connection schematic diagram of pressure roller and back-shaped frame in the present invention；
Fig. 4 is the connection schematic top plan view of planetary gear and ring gear in the present invention.
In figure: 1- car body, 2- headstock, 3- ring gear, 4- agitator tank, 5- planetary gear, 6- swivel mount, 7- driven shaft, 8-
Pulley mechanism, 9- stirring blade, 10- agitating shaft, 11- drive gear, 12- motor, 13- adjusting rod, 14- electric pushrod, 15-
Pressure roller, 16- delivery pump, 17- drainage conduit, 18- hairbrush transfer roller, 19- limit spring, 20- outer gear ring, 21- threaded rod, 22- servo
Motor, 23- thread bush block, 24- bridging, the back-shaped frame of 25-, 26- arc shaped slider, 27- connecting shaft.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment:
Embodiment 1
Fig. 1-4, a kind of device for highway bridge crack repairing, including a kind of highway bridge crack that is used for is please referred to repair
The device of benefit, including car body 1 and headstock 2, car body 1 are equipped with the agitator tank 4 that bottom has drainage conduit 17, are equipped in agitator tank 4
Rabbling mechanism, the rabbling mechanism include the swivel mount 6 being rotatably installed in agitator tank 4, there are two rotary type is set on swivel mount 6
Planetary gear 5,4 inner wall of agitator tank are fixed with the ring gear 3 engaged with planetary gear 5, are coaxially fixed with stirring on planetary gear 5
Axis 10,10 surface of agitating shaft are evenly equipped with several stirring blades 9, and 1 bottom of car body is hinged with adjusting rod 13, under adjusting rod 13
End is elasticly connected with pressure roller 15, and 1 lower rotation formula of car body is equipped with hairbrush transfer roller 18.
Rabbling mechanism is equipped in agitator tank 4, rabbling mechanism includes the swivel mount 6 being rotatably installed in agitator tank 4, swivel mount
Rotary type is set there are two planetary gear 5 on 6, and 4 inner wall of agitator tank is fixed with the ring gear 3 engaged with planetary gear 5, planetary gear
Agitating shaft 10 is coaxially fixed on 5,10 surface of agitating shaft is evenly equipped with several stirring blades 9, and the rotational energy of swivel mount 6 drives row
Star gear 5 rotates synchronously, and planetary gear 5 and 3 engaged transmission of ring gear realize rotation, and then realize agitating shaft 10 with rotation
Rotation while pivoted frame 6 rotates, the stirring blade 9 on agitating shaft 10 greatly promote the mixing effect of pitch in agitator tank 4, drip
Green mobility is higher, and convenient for flowing out from drainage conduit 17, pitch is also easier to be flowed into realization filling and repairing effect in crack, mentions
The effect of repairing is risen.
It is hinged with adjusting rod 13 in 1 bottom of car body, 13 lower end of adjusting rod is elasticly connected with pressure roller 15,1 lower rotation of car body
Formula is equipped with hairbrush transfer roller 18, and the inside that the hairbrush transfer roller 18 of setting is used for the fracture before pitch fills crack, which cleans, to be made
With improving crack repairing quality so that the sundries in crack is cleared away.
In addition, car body 1, which is equipped with output shaft, is arranged the motor 12 for being fixed with driving gear 11,4 surface of agitator tank is arranged fixation
There is the outer gear ring 20 engaged with driving gear 11, is fixed on swivel mount 6 and is passed by the output shaft of pulley mechanism 8 and motor 12
Dynamic connection.
Motor 12 can drive driving gear 11 to rotate, and driving gear 11 is driven by the rotation of outer gear ring 20 being engaged with and stirred
4 own rotation of case is mixed, the rotation of internal pitch is realized, further improves asphalt mixing effect, and motor 12 can pass through skin
Belt wheel mechanism 8 drives driven shaft 7 that swivel mount 6 is driven to rotate, and swivel mount 6 drives the direction of the rotation of agitating shaft 10 and 4 turns of agitator tank
Move it is contrary, asphalt mixing more sufficiently, comprehensively.
Embodiment 2
On the basis of embodiment 1, it in order to promote the cleaning effect of sundries in fracture, is fixed with and watches in 1 bottom of car body
Motor 22 is taken, the output shaft of servo motor 22 is fixed with threaded rod 21, and thread bush block 23, thread bush block are arranged on threaded rod 21
23 and car body 1 on be hinged with bridging 24, hairbrush transfer roller 18 is mounted on 24 lower end of bridging.
Servo motor 22 can drive threaded rod 21 to rotate, and threaded rod 21 drives the thread bush block 23 being threadedly coupled therewith laterally
Mobile, bridging 24 is extensible at this time or compresses, so that the upper and lower position of hairbrush transfer roller 18 is adjusted, adapts to different depth
Crack inside clean, guarantee adequately clean effect.
Electric pushrod 14 is hinged between car body 1 and adjusting rod 13,13 lower end of adjusting rod is fixed with back-shaped frame 25, back-shaped frame
Sliding is equipped with connecting shaft 27, connecting shaft 27 and the coaxial fixation of pressure roller 15 in 25, is slidably fitted in back-shaped frame 25 and connecting shaft
27 arc shaped sliders 26 slid against, are fixed with limit spring 19 between arc shaped slider 26 and back-shaped frame 25.
After pitch was filled in crack, the mobile of car body 1 can drive adjusting rod 13 mobile, at this time on 15 fracture of pressure roller
Pitch is rolled, and be ensure that the smooth of crack peripheral region and is ensured the consolidation of pitch in crack after repairing.
The angle of adjusting rod 13 can be adjusted in electric pushrod 14, to realize pressure roller 15 and repair the abutting in face, guarantee
Enough rolling dynamics, during 15 rolled asphalt of pressure roller, elastic reaction of the setting arc shaped slider 26 in limit spring 19
Under slide along back-shaped frame 25 and abutted with connecting shaft 27, on the one hand play buffering and damping effect, on the other hand guarantee pressure roller 15
Realize that fitting does not separate with the repairing face in crack, so that it is guaranteed that crack is smooth.
Be fixed with delivery pump 16 in 1 bottom of car body, the inlet end and an outlet end of delivery pump 16 respectively with agitator tank 4 and discharge
Pipe 17 is connected to, and delivery pump 16 conveys the pitch in agitator tank 4, to accelerate the flowing of pitch and be discharged from drainage conduit 17,
Convenient for the quickly discharging to pitch.
In conclusion the present invention can carry out the pitch in agitator tank 4 by rabbling mechanism before laying mends a split
Adequately stirring, improves the mobility of pitch, so that discharge velocity when pitch mends a split is faster, can enter faster
In crack, and the pressure roller 15 being arranged can be smooth to the crack progress after repairing with the movement of car body 1, and the road surface after repairing is more
It is smooth, it ensure that the repairing quality in crack.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where 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
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
It should be strongly noted that although this specification is described in terms of embodiments, but not each embodiment
It only contains an independent technical solution, this description of the specification is merely for the sake of clarity, those skilled in the art
It should consider the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms art technology
The other embodiments that personnel are understood that, the preferred embodiment of the technical program above described embodiment only expresses,
Describe more specific and detailed, but it cannot be understood as the limitations to the technical program the scope of the patents.It should be understood that
It is that for those of ordinary skill in the art, without departing from the inventive concept of the premise, several changes can also be made
Shape, improvement and substitution, these belong to the protection scope of the technical program.Therefore, the protection scope of the technical program patent is answered
It is determined by the appended claims.
Claims (8)
1. a kind of device for highway bridge crack repairing, including car body (1) and headstock (2), car body (1) is equipped with bottom belt
There is the agitator tank (4) of drainage conduit (17), be equipped with rabbling mechanism in agitator tank (4), which is characterized in that the rabbling mechanism includes turning
The dynamic swivel mount (6) being mounted in agitator tank (4), rotary type sets that there are two planetary gear (5), agitator tanks (4) on swivel mount (6)
Inner wall is fixed with the ring gear (3) engaged with planetary gear (5), is coaxially fixed with agitating shaft (10) on planetary gear (5), stirring
Axis (10) surface is evenly equipped with several stirring blades (9), and car body (1) bottom is hinged with adjusting rod (13), adjusting rod (13)
Lower end is elasticly connected with pressure roller (15), and car body (1) lower rotation formula is equipped with hairbrush transfer roller (18).
2. the device according to claim 1 for highway bridge crack repairing, which is characterized in that the car body (1) sets
There is output shaft to be arranged the motor (12) for being fixed with driving gear (11), agitator tank (4) surface, which is arranged, to be fixed with and driving gear
(11) outer gear ring (20) engaged.
3. the device according to claim 2 for highway bridge crack repairing, which is characterized in that the swivel mount (6)
On be fixed with and be sequentially connected by the output shaft of pulley mechanism (8) and motor (12).
4. the device according to claim 1 for highway bridge crack repairing, which is characterized in that car body (1) bottom
Portion is fixed with servo motor (22), and the output shaft of servo motor (22) is fixed with threaded rod (21), and threaded rod is arranged on (21)
It is hinged with bridging (24) on thread bush block (23), thread bush block (23) and car body (1), hairbrush transfer roller (18) is mounted on bridging
(24) lower end.
5. the device according to claim 1 for highway bridge crack repairing, which is characterized in that the car body (1) with
Electric pushrod (14) are hinged between adjusting rod (13).
6. being used for the device of highway bridge crack repairing according to claim 1 or 5, which is characterized in that the adjusting rod
(13) lower end is fixed with back-shaped frame (25), and sliding is equipped with connecting shaft (27) in back-shaped frame (25), connecting shaft (27) and pressure roller
(15) coaxial fixed.
7. the device according to claim 6 for highway bridge crack repairing, which is characterized in that the back-shaped frame (25)
It is inside slidably fitted with the arc shaped slider (26) slid against with connecting shaft (27), it is solid between arc shaped slider (26) and back-shaped frame (25)
Surely there are limit spring (19).
8. the device according to claim 1 for highway bridge crack repairing, which is characterized in that car body (1) bottom
Portion is fixed with delivery pump (16), and the inlet end and an outlet end of delivery pump (16) is connected to agitator tank (4) and drainage conduit (17) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910281008.2A CN109958068A (en) | 2019-04-09 | 2019-04-09 | A kind of device for highway bridge crack repairing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910281008.2A CN109958068A (en) | 2019-04-09 | 2019-04-09 | A kind of device for highway bridge crack repairing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109958068A true CN109958068A (en) | 2019-07-02 |
Family
ID=67025901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910281008.2A Pending CN109958068A (en) | 2019-04-09 | 2019-04-09 | A kind of device for highway bridge crack repairing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109958068A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305086A (en) * | 2020-02-22 | 2020-06-19 | 王井辉 | Bridge support column repair equipment for engineering |
| CN111389834A (en) * | 2020-04-17 | 2020-07-10 | 新沂市弘扬果谷工艺品有限公司 | Glass tube cleaning device for manufacturing high borosilicate glass container |
| CN111495890A (en) * | 2020-04-17 | 2020-08-07 | 新沂市赛立科石英制品有限公司 | Continuous type belt cleaning device of U type quartz capsule |
| CN111778829A (en) * | 2020-08-05 | 2020-10-16 | 张盼盼 | Asphalt highway construction method |
| CN111851237A (en) * | 2020-08-09 | 2020-10-30 | 杜东升 | Road maintenance structure and construction method thereof |
| CN112176841A (en) * | 2020-09-27 | 2021-01-05 | 吴皎阳 | Asphalt road repairing device capable of filling bending cracks |
| CN112726361A (en) * | 2020-12-29 | 2021-04-30 | 台州佳沃科技有限公司 | Pouring machine material spraying pipe auxiliary device that highway construction was used |
| CN113026500A (en) * | 2021-03-24 | 2021-06-25 | 广西交科集团有限公司 | Road engineering pavement repairing device and using method thereof |
| CN113322764A (en) * | 2021-05-18 | 2021-08-31 | 豫新华通路桥集团有限公司 | Pavement crack repairing device for highway engineering |
| CN113684747A (en) * | 2021-09-08 | 2021-11-23 | 郝艳阳 | Road and bridge crack reinforcing apparatus |
| CN113775198A (en) * | 2021-09-10 | 2021-12-10 | 中国十七冶集团有限公司 | Width measurement repairing device for preventing and treating large-volume concrete cracks and operation method |
| CN114369989A (en) * | 2022-02-14 | 2022-04-19 | 李耀光 | A crack repair flattening device for highway maintenance |
| CN114808712A (en) * | 2022-04-19 | 2022-07-29 | 江苏瑞沃建设集团有限公司 | Highway is road surface paving device for bridge construction |
| CN115014977A (en) * | 2022-06-02 | 2022-09-06 | 无锡市城市道桥科技有限公司 | Steel slag and asphalt mixture water stability testing process |
| CN115094733A (en) * | 2022-06-17 | 2022-09-23 | 刘渊博 | Highway pavement repairing process |
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| CN109129923A (en) * | 2018-08-24 | 2019-01-04 | 郑州艾莫弗信息技术有限公司 | A kind of construction sand material mixing arrangement |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305086A (en) * | 2020-02-22 | 2020-06-19 | 王井辉 | Bridge support column repair equipment for engineering |
| CN111389834A (en) * | 2020-04-17 | 2020-07-10 | 新沂市弘扬果谷工艺品有限公司 | Glass tube cleaning device for manufacturing high borosilicate glass container |
| CN111495890A (en) * | 2020-04-17 | 2020-08-07 | 新沂市赛立科石英制品有限公司 | Continuous type belt cleaning device of U type quartz capsule |
| CN111778829A (en) * | 2020-08-05 | 2020-10-16 | 张盼盼 | Asphalt highway construction method |
| CN111851237A (en) * | 2020-08-09 | 2020-10-30 | 杜东升 | Road maintenance structure and construction method thereof |
| CN112176841A (en) * | 2020-09-27 | 2021-01-05 | 吴皎阳 | Asphalt road repairing device capable of filling bending cracks |
| CN112726361A (en) * | 2020-12-29 | 2021-04-30 | 台州佳沃科技有限公司 | Pouring machine material spraying pipe auxiliary device that highway construction was used |
| CN113026500A (en) * | 2021-03-24 | 2021-06-25 | 广西交科集团有限公司 | Road engineering pavement repairing device and using method thereof |
| CN113322764A (en) * | 2021-05-18 | 2021-08-31 | 豫新华通路桥集团有限公司 | Pavement crack repairing device for highway engineering |
| CN113322764B (en) * | 2021-05-18 | 2023-12-05 | 豫新华通路桥集团有限公司 | Pavement crack repairing device for highway engineering |
| CN113684747A (en) * | 2021-09-08 | 2021-11-23 | 郝艳阳 | Road and bridge crack reinforcing apparatus |
| CN113775198A (en) * | 2021-09-10 | 2021-12-10 | 中国十七冶集团有限公司 | Width measurement repairing device for preventing and treating large-volume concrete cracks and operation method |
| CN114369989A (en) * | 2022-02-14 | 2022-04-19 | 李耀光 | A crack repair flattening device for highway maintenance |
| CN114369989B (en) * | 2022-02-14 | 2023-09-08 | 陕西中悦建设工程有限公司 | Crack repairing and flattening device for highway maintenance |
| CN114808712A (en) * | 2022-04-19 | 2022-07-29 | 江苏瑞沃建设集团有限公司 | Highway is road surface paving device for bridge construction |
| CN115014977A (en) * | 2022-06-02 | 2022-09-06 | 无锡市城市道桥科技有限公司 | Steel slag and asphalt mixture water stability testing process |
| CN115014977B (en) * | 2022-06-02 | 2023-11-28 | 无锡市城市道桥科技有限公司 | Water stability testing process for steel slag asphalt mixture |
| CN115094733A (en) * | 2022-06-17 | 2022-09-23 | 刘渊博 | Highway pavement repairing process |
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Application publication date: 20190702 |