CN205420986U - Integral type bituminous paving digs and mills restoration car - Google Patents
Integral type bituminous paving digs and mills restoration car Download PDFInfo
- Publication number
- CN205420986U CN205420986U CN201620251860.7U CN201620251860U CN205420986U CN 205420986 U CN205420986 U CN 205420986U CN 201620251860 U CN201620251860 U CN 201620251860U CN 205420986 U CN205420986 U CN 205420986U
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- car
- car body
- bituminous paving
- integral type
- plane milling
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- 238000003801 milling Methods 0.000 claims abstract description 44
- 230000003028 elevating effect Effects 0.000 claims abstract description 16
- 239000010426 asphalt Substances 0.000 claims description 42
- 238000007599 discharging Methods 0.000 claims description 40
- 238000002156 mixing Methods 0.000 claims description 30
- 239000007921 spray Substances 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 6
- 210000003462 vein Anatomy 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 12
- 239000010410 layer Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 239000002245 particle Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
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- 238000010276 construction Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 208000037063 Thinness Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 206010048828 underweight Diseases 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Road Repair (AREA)
Abstract
The utility model provides an integral type bituminous paving digs and mills restoration car, it includes the automobile body, installs at the automobile body front end and digs milling cutter, digs milling cutter through an elevating system and car connection, install the power shovel at bottom of the car body, the power shovel cooperatees with the hopper, and the hopper docks with the bottom feed inlet of conveyer belt, and the conveyer belt slant is installed on the automobile body, and the conveyer belt communicates with mixed material barrel's first feed inlet, mixed material barrel fixes at vehicle body upper part, still installs pitch agitator tank, the discharge gate of pitch agitator tank and mixed material barrel's second feed inlet intercommunication at vehicle body upper part, still install ejection of compact shower nozzle at bottom of the car body, ejection of compact shower nozzle passes through the discharge gate intercommunication on conveying pipe and the mixed material barrel, ejection of compact shower nozzle is located the rear of hopper, and the bottom of the car body at ejection of compact shower nozzle rear installs the pinch roller. The utility model provides a damaged bituminous paving's on -call repairing problem and the handling problem of old pitch layer crushed aggregates, reduced the equipment quantity of restoreing the road surface to can not cause the influence to the road surface of newly laying.
Description
Technical field
This utility model relates to the special reparation car of a kind of asphalt road surface, and especially a kind of integral type bituminous paving plane milling is repaired car, belonged to mechanical equipment technical field.
Background technology
Along with the fast development of highway construction, bituminous paving because of its good water permeability, structural strength advantages of higher, has become as urban road and ground surface material that highway is generally selected.Along with popularizing of bituminous paving, the maintenance to bituminous paving also becomes the important ring that road upkeep works.Now at present in the crack processing bituminous paving, during the problems such as breakage, operate considerably complicated, owing to new asphalt material is typically to valuate by each car, therefore in the case of for needed for small-sized crack or reparation road surface, Colophonium amount does not reaches a car, after what a lot of places were taked is to continue with waiting that road surface breakage is more serious, repair again, in the meantime would generally be by after the bitumen layer milling on damaged portion road surface, form the foundation pit of a piece a piece, when the quantity of foundation pit reaches carload Colophonium amount, carry out again repairing laying, and in the meantime, the foundation ditch of a lot of square blocks will be formed on road, this can have a strong impact on vehicle pass-through, the most on a highway, also traffic safety can be brought hidden danger.For solving the problems referred to above, the Chinese patent of Publication No. CN102787548A discloses one " sheet pavement in-situ thermal regeneration is cared the car ", it is by installing melted heater, pitch agitating device etc., can be real-time quickly repair the road surface small-sized crack occur, has thus reached the effect of timely reparation.But, this repair mode is owing to being to use new Colophonium to fill out and be poured in crack, play the effect enriched in crack and connect, but after a period of time, owing to the section of Slit bottom is to exist all the time, therefore its surface still there will be new crack, and holding time of the most this mode is relatively short, it is impossible to reaches the effect effected a permanent cure.And for example the Chinese patent of Publication No. CN103643623A discloses " integral system device is repaired in a kind of bituminous paving plane milling ", it is to be provided with plane milling parts, feed back particle parts, microwave stirring and blanking parts and compacting parts on car body, this device is by reclaiming after the bitumen layer on existing damage road surface is dug milling, it is stirred for again filling out being taped against road surface, the most both can solve the reparation problem on road surface, also solve the transportation problem of original bitumen layer disintegrating slag.But, this device yet suffers from following defect: it is when reclaiming the Colophonium particle after digging milling, use rigidity sucker, this sucker is typically only capable to the object of sucking weight and small volume, granule this for asphalt macadam be relatively big and the object of heavier-weight, is extremely difficult to theoretic effect during operation, so make electromotor power will very big, energy consumption is very big, unlikely realizes in reality；And its compacting parts use the structure of push rod and shock plate, the impulsive force of this structure is very limited, the effect of compacting is poor, and due to the effect of rear wheel, after the asphaltene formation that will newly spread of compacting parts, bitumen layer can be impacted by rear wheel, causes bitumen layer to be scattered, and affects the smooth degree on road surface.
Utility model content
For above-mentioned deficiency of the prior art, main purpose of the present utility model is to solve the most at present when repairing road asphalt, the problem that the recovery of old bitumen layer particle and the laying of new bitumen layer are difficult to carry out by existing equipment simultaneously, and the equipment of needs causes the problem that working performance is low, engineering cost is huge too much when repairing bitumen layer, and provide a kind of reparation that can disposably solve bituminous paving and the process of old pavement rubble, and car is repaired in the plane milling of repairing effect preferable integral type bituminous paving.
The technical solution of the utility model: car is repaired in the plane milling of integral type bituminous paving, and including car body, it is characterised in that be provided with the plane milling cutter for crushing pavement asphalt in described vehicle bottom front end, described plane milling cutter is connected with car body by the first elevating mechanism；Vehicle bottom at described plane milling cutter rear is provided with the power shovel for collecting broken pavement asphalt, described power shovel matches with the hopper being arranged on below car body, the discharging opening of described hopper docks with the bottom charging aperture of conveyer belt, described conveyer belt is diagonally-installed on car body, and the discharging opening on conveyer belt top connects with the first charging aperture of mixing machine；Described mixing machine is fixed on vehicle body upper portion, is also equipped with asphalt mixing case at vehicle body upper portion, and the discharging opening of described asphalt mixing case connects with the second charging aperture of mixing machine；Being also equipped with discharging spray nozzle at described vehicle bottom, described discharging spray nozzle is connected with the discharging opening on mixing machine by feed pipe；Described discharging spray nozzle is positioned at the rear of hopper, and the vehicle bottom at discharging spray nozzle rear is provided with pinch roller.
Reparation car of the present utility model is first based on pavement of road reparation quick, disposable, complicated mode of operation by traditional many equipment of multiple operation, change into single integrated equipment to complete, shorten the process flow repaired needed for road surface greatly, improve efficiency of construction；Moreover, operation in repair process is also optimized by reparation car of the present utility model, such as improve the recovery to broken asphalt macadam by the cooperation of conveyer belt and power shovel, again with new Colophonium, broken bitumen recovery being mixed to prepare asphalt pave the way, the recycling for a large amount of waste asphalt rubbles also provides good solution.Operationally, the power supply of its equipment is provided reparation car of the present utility model by mobile generator.First it be, by plane milling cutter, the road surface having crackle is carried out cutting and crushing, with power shovel, broken asphalt stone collection is poured in hopper again, metaling recovery is sent in mixing machine by the conveyer belt by being connected with hopper again, metaling old in mixing machine and new asphalt material mix and blend form the raw material of new bituminous paving, this raw material by discharging spray nozzle be routed to cleaned after roadbed on, finally by pinch roller compacting form new bituminous paving.
Optimally, lithotrite, the discharging opening of described lithotrite and the inner space of mixing machine are installed inside the first charging aperture of described mixing machine.This utility model passes through lithotrite by the broken further dispersion and fining of Bituminous concrete surface rubble so that it is can reach to lay the diameter fine granularity needed for road surface.As required, the lithotrite of multiple series connection can be set, so so that the asphalt macadam precision after Fen Suiing is higher.
Optimally, being provided with rear wheel at described rear vehicle, described rear wheel is connected with car body by the second elevating mechanism.This utility model emphasis considers the underweight problem of common pinch roller, want to be compacted bitumen layer, need to provide bigger pressure, ground will be lifted away from back wheels of vehicle here by the second elevating mechanism, make pinch roller as the support of whole body rear end, so weight of car body has been pressed onto on pinch roller with regard to major part, so that pinch roller obtains bigger pressure.
Optimally, in described discharging spray nozzle, vibrator is installed.Here by installing vibrator, the asphalt material of the laying mobility in discharging spray nozzle can be improved, it is to avoid the situation of local stoppages occurs, but also so that discharging is more uniform.
Optimally, described conveyer belt is provided with anti-slip veins.Owing to conveyer belt is to be obliquely installed, the problem therefore likely glided in course of conveying in view of rubble, therefore increase friction and resistance here by arranging anti-slip veins, improve overall reliability.
Optimally, the first described elevating mechanism uses hydraulic cylinder transmission, the second described elevating mechanism to use hinge transmission.Here the structure using hydraulic cylinder is conducive to increasing the motility of milling cutter, it is simple to flexible, during operation, response speed is the most very fast；Use the chaindriven structure of hinge to be then conducive to increasing driving torque, for the parts that weight this for wheel is bigger, there is more preferable traction effect.
Optimally, the discharging opening of described discharging spray nozzle is the rectangular aperture of horizontally set, and the width of described rectangular aperture is identical with the width of pinch roller.Being employed herein the nozzle arrangements of horizontal rectangular configuration, on the one hand can increase coverage during asphalt, on the other hand it is also possible that improve with the ability to provide the auxiliary items of pinch roller, efficiency during laying construction is the highest.
Optimally, being provided with at least three at described vehicle bottom and plane milling cutter, described plane milling cutter are all enclosed within the rotating shaft of horizontally set, the width of described rotating shaft is identical with the width of pinch roller.In this utility model, using the structure of the plane milling cutter group of formula laterally side by side, so can disposably complete a bulk of Colophonium crushing operation, efficiency is higher, and digs milling cutter group and can reduce broken difficulty, and the gravel particle of segmentation is the thinnest.
Optimally, the vehicle bottom between described power shovel and hopper is provided with the laser scanner for scanning broken bituminous paving.This utility model innovation by install laser scanner, detection that can be real-time needs whether the road bituminous layers rubble repaired or change is cleaned, avoid the occurrence of omission and affect the laying of follow-up new bitumen layer, owing to the precision of laser scanner is higher, therefore precision controlling effect is higher.
Optimally, described power shovel uses enclosed conically shaped structure, and the A/F of described power shovel is less than the A/F of hopper.Here power shovel uses pyramidal structure to be easy to collect rubble and do not fall after rise, and enclosed structure is also beneficial to increase the inside storage space of power shovel.
Relative to prior art, this utility model has the advantages that
1, the timely reparation problem of worn pavement is solved: problematic road surface can be repaired by reparation car of the present utility model at any time, without waiting for, response rapidly, improves the maintenance efficiency of road.
2, the number of devices on reparation road surface is decreased: this utility model only needs an equipment can complete from particle, be stirred to asphalt paving, the whole flow operations of last smooth-riding surface, the effect that before disposably completing, a lot of equipment common operational can be only achieved, greatly improve the efficiency of road rehabilitation, shorten the engineering time, impact on traffic when reducing maintenance road surface to greatest extent, Construction Cost is also greatly lowered.
3, transport and the process problem of Bituminous concrete surface layer particle are solved, by directly Bituminous concrete surface layer being blended and as the base material of new bitumen layer, new asphalt mixing is coordinated to form paving underfill material again, the most both the transport of old particle and a difficult problem for process had been solved, also reduce the usage amount of virgin material, also help reduction cost.
4, efficiency when particle reclaims is solved, this utility model uses conveyer belt and the cooperation of power shovel, particle can be transported to stir storehouse easily, powerful, and abrasion to vehicle is less, need not be equipped with powerful driven by engine so that whole flow process is more light, and easily realizes.
5, roll remarkably productive: first this utility model has carried out lifting process to rear wheel, then utilize pinch roller as the strong point of vehicle, so so that the weight of whole vehicle all concentrates on pinch roller, make it have huge pressure, so when being compacted bitumen layer, there is extraordinary effect, be difficult to loose, bounce-back, and need not provide extra power drive, simply practical, it is often more important that the new road surface laid will not be impacted by rear wheel.
Accompanying drawing explanation
Fig. 1 is the structural representation that car is repaired in the plane milling of this utility model integral type bituminous paving.
In figure, 1-car body, 2-digs milling cutter, 3-the first elevating mechanism, 4-power shovel, 5-hopper, 6-conveyer belt, 7-mixing machine, 71-the first charging aperture, 72-the second charging aperture, 8-asphalt mixing case, 9-discharging spray nozzle, 10-feed pipe, 11-pinch roller, 12-lithotrite, 13-rear wheel, 14-the second elevating mechanism, 15-vibrator, 16-rotating shaft, 17-laser scanner.
Detailed description of the invention
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, car is repaired in integral type bituminous paving of the present utility model plane milling, including car body 1, car body 1 here can use traditional body construction, is i.e. made up of headstock and vehicle body, and in this case, unification is referred to as car body.Being provided with the plane milling cutter 2 for crushing pavement asphalt in described car body 1 bottom front, described plane milling cutter 2 is connected with car body 1 by the first elevating mechanism 3, and the first described elevating mechanism 3 uses hydraulic cylinder transmission.In order to improve the crushing effect to damaged road surface, bottom described car body 1, it is provided with at least three plane milling cutter 2, described plane milling cutter 2 are all enclosed within the rotating shaft 16 of horizontally set.Being provided with the power shovel 4 for collecting broken pavement asphalt bottom the car body 1 at described plane milling cutter 2 rear, described power shovel 4 matches with the hopper 5 being arranged on below car body 1.Described power shovel 4 uses enclosed conically shaped structure, and the A/F of described power shovel 4 is less than the A/F of hopper 5.Laser scanner 17 for scanning broken bituminous paving is installed bottom the car body 1 between described power shovel 4 and hopper 5, the effect of laser scanner 17 is to be scanned identifying to damaged road surface, simultaneously to whether there being rubble residue to be identified on roadbed, assist the cleaning of rubble with this.The discharging opening of described hopper 5 docks with the bottom charging aperture of conveyer belt 6, and described conveyer belt 6 is diagonally-installed on car body 1, is provided with anti-slip veins on described conveyer belt 6.The discharging opening on conveyer belt 6 top connects with the first charging aperture 71 of mixing machine 7；Described mixing machine 7 is fixed on car body 1 top, and angularly disposed；Lithotrite 12, the discharging opening of described lithotrite 12 and the inner space of mixing machine 7 are installed inside the first charging aperture 71 of described mixing machine 7.Being also equipped with asphalt mixing case 8 on car body 1 top, be preinstalled with the new asphalt material prepared in asphalt mixing case 8, the discharging opening of described asphalt mixing case 8 connects with the second charging aperture 72 of mixing machine 7.Being also equipped with discharging spray nozzle 9 bottom described car body 1, described discharging spray nozzle 9 is connected with the discharging opening 73 on mixing machine 7 by feed pipe 10；The rectangular aperture that discharging opening is horizontally set of described discharging spray nozzle 9, the width of described rectangular aperture is identical with the width of pinch roller 11.In described discharging spray nozzle 9, vibrator 15 is installed.Described discharging spray nozzle 9 is positioned at the rear of hopper 5, is provided with pinch roller 11 bottom the car body 1 at discharging spray nozzle 9 rear, and the width of described rotating shaft 16 is identical with the width of pinch roller 11.Be provided with rear wheel 13 at described car body 1 rear portion, described rear wheel 13 is connected with car body 1 by the second elevating mechanism 14, and the second described elevating mechanism 14 uses hinge transmission.
Integral type bituminous paving of the present utility model plane milling is repaired car reparation and replacing to bituminous paving from process flow and has been carried out changing thoroughly, it is no longer necessary to the coordination of multidisciplinary many equipment and coordinates, only need an equipment can complete all process steps, time saving and energy saving, and efficiency is obviously improved, further the easiest, for complete equipment in construction stage operation, cost is relatively cheap, is suitable for extensively application and promotes.
It should be noted that, above example is only in order to illustrate technical solutions of the utility model rather than restriction technologies scheme, although this utility model is explained in detail by applicant with reference to preferred embodiment, it will be understood by those within the art that, those amendments that technical solutions of the utility model are carried out or equivalent, objective and the scope of the technical program can not be departed from, all should contain in the middle of this utility model right.
Claims (10)
1. car is repaired in the milling of integral type bituminous paving plane, including car body (1), it is characterized in that, being provided with the plane milling cutter (2) for crushing pavement asphalt in described car body (1) bottom front, described plane milling cutter (2) is connected with car body (1) by the first elevating mechanism (3)；Car body (1) bottom at described plane milling cutter (2) rear is provided with the power shovel (4) for collecting broken pavement asphalt, described power shovel (4) matches with the hopper (5) being arranged on car body (1) lower section, the discharging opening of described hopper (5) docks with the bottom charging aperture of conveyer belt (6), described conveyer belt (6) is diagonally-installed on car body (1), and the discharging opening on conveyer belt (6) top connects with first charging aperture (71) of mixing machine (7)；Described mixing machine (7) is fixed on car body (1) top, be also equipped with asphalt mixing case (8) on car body (1) top, the discharging opening of described asphalt mixing case (8) connects with second charging aperture (72) of mixing machine (7)；Being also equipped with discharging spray nozzle (9) in described car body (1) bottom, described discharging spray nozzle (9) is connected with the discharging opening (73) on mixing machine (7) by feed pipe (10)；Described discharging spray nozzle (9) is positioned at the rear of hopper (5), and car body (1) bottom at discharging spray nozzle (9) rear is provided with pinch roller (11).
Car is repaired in integral type bituminous paving the most according to claim 1 plane milling, it is characterized in that, the inner space of lithotrite (12), the discharging opening of described lithotrite (12) and mixing machine (7) is installed in the first charging aperture (71) inner side of described mixing machine (7).
Car is repaired in integral type bituminous paving the most according to claim 2 plane milling, it is characterized in that, be provided with rear wheel (13) at described car body (1) rear portion, described rear wheel (13) is connected with car body (1) by the second elevating mechanism (14).
Car is repaired in integral type bituminous paving the most according to claim 3 plane milling, it is characterised in that be provided with vibrator (15) in described discharging spray nozzle (9).
Car is repaired in integral type bituminous paving the most according to claim 4 plane milling, it is characterised in that be provided with anti-slip veins on described conveyer belt (6).
Car is repaired in integral type bituminous paving the most according to claim 5 plane milling, it is characterised in that described the first elevating mechanism (3) uses hydraulic cylinder transmission, described the second elevating mechanism (14) to use hinge transmission.
Car is repaired in integral type bituminous paving the most according to claim 6 plane milling, it is characterised in that the rectangular aperture that discharging opening is horizontally set of described discharging spray nozzle (9), the width of described rectangular aperture is identical with the width of pinch roller (11).
Car is repaired in integral type bituminous paving the most according to claim 7 plane milling, it is characterized in that, it is provided with at least three plane milling cutter (2) in described car body (1) bottom, described plane milling cutter (2) is all enclosed within the rotating shaft (16) of horizontally set, and the width of described rotating shaft (16) is identical with the width of pinch roller (11).
Car is repaired in integral type bituminous paving the most according to claim 8 plane milling, it is characterized in that, car body (1) bottom between described power shovel (4) and hopper (5) is provided with the laser scanner (17) for scanning broken bituminous paving.
Car is repaired in integral type bituminous paving the most according to claim 9 plane milling, it is characterized in that, described power shovel (4) uses enclosed conically shaped structure, and the A/F of described power shovel (4) is less than the A/F of hopper (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620251860.7U CN205420986U (en) | 2016-03-18 | 2016-03-18 | Integral type bituminous paving digs and mills restoration car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620251860.7U CN205420986U (en) | 2016-03-18 | 2016-03-18 | Integral type bituminous paving digs and mills restoration car |
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| Publication Number | Publication Date |
|---|---|
| CN205420986U true CN205420986U (en) | 2016-08-03 |
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ID=56521843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620251860.7U Withdrawn - After Issue CN205420986U (en) | 2016-03-18 | 2016-03-18 | Integral type bituminous paving digs and mills restoration car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205420986U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696448A (en) * | 2016-03-18 | 2016-06-22 | 薛金波 | Integrated asphalt road surface planing and milling repair vehicle |
| CN107012774A (en) * | 2017-06-06 | 2017-08-04 | 李建云 | A kind of road and bridge construction road surface cutter device |
| CN110983935A (en) * | 2019-11-22 | 2020-04-10 | 胡拴紧 | Integrative device of regeneration construction is rejected to old and useless pitch of highway |
| CN114277649A (en) * | 2021-12-22 | 2022-04-05 | 山西路桥第八工程有限公司 | Basic unit plastic detection device of highway construction |
-
2016
- 2016-03-18 CN CN201620251860.7U patent/CN205420986U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105696448A (en) * | 2016-03-18 | 2016-06-22 | 薛金波 | Integrated asphalt road surface planing and milling repair vehicle |
| CN105696448B (en) * | 2016-03-18 | 2017-09-12 | 薛金波 | Car is repaired in the plane milling of integral type bituminous paving |
| CN107012774A (en) * | 2017-06-06 | 2017-08-04 | 李建云 | A kind of road and bridge construction road surface cutter device |
| CN110983935A (en) * | 2019-11-22 | 2020-04-10 | 胡拴紧 | Integrative device of regeneration construction is rejected to old and useless pitch of highway |
| CN114277649A (en) * | 2021-12-22 | 2022-04-05 | 山西路桥第八工程有限公司 | Basic unit plastic detection device of highway construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160803 Effective date of abandoning: 20170908 |
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| AV01 | Patent right actively abandoned |