CN106677018A - Anti-skid road roller for constructional engineering - Google Patents
Anti-skid road roller for constructional engineering Download PDFInfo
- Publication number
- CN106677018A CN106677018A CN201510767904.1A CN201510767904A CN106677018A CN 106677018 A CN106677018 A CN 106677018A CN 201510767904 A CN201510767904 A CN 201510767904A CN 106677018 A CN106677018 A CN 106677018A
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- China
- Prior art keywords
- roller
- wheel
- pedal
- fuselage
- rear wheel
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Classifications
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- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
- E01C19/24—Rollers therefor; Such rollers usable also for compacting soil hand propelled
-
- 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
- E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses an anti-skid road roller for constructional engineering. The anti-skid road roller for constructional engineering comprises a roller body, a front roller wheel and a rear roller wheel, wherein the front roller wheel and the rear roller wheel are arranged below the roller body and are identical in size. A handrail is arranged on the roller body. A sun shield is arranged on the roller body and located over the handrail. A pedal is arranged on the roller body and located under the handrail. A supporting wheel is arranged below the pedal. The length of the supporting wheel is identical to that of the rear roller wheel. The upper surface of the pedal is full of anti-skid protruding points. The anti-skid road roller for constructional engineering has the beneficial effects that the pedal is arranged under the handrail of the road roller and used for a driver to stand, the labor intensity is reduced, and the labor efficiency is improved; the supporting wheel is arranged below the pedal, so that the phenomenon that the pedal is broken due to the fact that the pedal supports the driver for a long time is avoided; and the anti-skid protruding points are arranged on the pedal face of the pedal, the driver is protected, and the phenomenon that dust exists on the pedal face, and the driver slips when getting on and off the pedal is avoided.
Description
Technical field
The present invention relates to building field, mainly road roller, especially relate to a kind of anti-skidding road roller of architectural engineering.
Background technology
Road roller belongs to the category of road furniture in engineering machinery, the embankment compacting operation of the Larger Engineering Projects such as high-grade highway, railway, airfield runway, dam, stadium is widely used in, sand, half viscosity and clayed soil, subgrade stability soil and asphalt concrete pavement layer can be rolled.
Mention road roller, have to do the development of compact technique one simple introduction, the hoof once using drove is trampled enough to soil early in period in time immemorial people, crumple and consolidate to process the ground in house, compacting dam and river levee, before in the middle of the 19th century, based on the road engineering in west is paved the way with blinding, compacting is rolled naturally mainly by vehicle, invent after stone rolling machine until 1858, promote the development of macadam pavement, just to engender and carry out compacting work with the cylinder of horse traction, this is earliest road roller blank, steam-roller is occurred in that in France within 1860, further promote and improve the construction technology and quality of macadam pavement, accelerate progress.In 20 beginnings of the century, generally acknowledge that macadam pavement is road surface most excellent at that time and is extended to the whole world in the world, the concept of compacting is gradually known, and road roller is also occurred in therewith on each road construction building site, in the middle of the 19th century, the invention of internal combustion engine brings huge life to the development of compacting equipment.The oil-engine driven road roller of First was born in 20 beginnings of the century.Subsequent occurrences of is rubber-tyred roller, sheep-foot roller road roller is almost produced simultaneously with smooth-wheeled roller, people are studied the consolidation effect of quiet road roller, it is believed that increasing the weight of road roller increases can the line pressure of road roller, so as to improve consolidation effect.Then, within the quite a long time, people are devoted to developing large-tonnage road roller, and maximum rubber-tyred roller once weighed more than 200 tons, but in this period, the change of road roller is still mainly reflected in the improvement of power and profile.
Road roller is with the mechanical Action of Gravity Field of itself, it is adaptable to various compacting operations, makes to be rolled layer and produces permanent deformation and closely knit.It is divided to steel wheel formula and the class of rubber-tyred two again.The muller of road roller is configured with light stone roller, groove stone roller and sheep-foot roller etc..Light grinds application most generally, is mainly used in top course compacting, using being mechanically or hydraulically driven, can concentrate strength on being compacted jut, and compacting flatness height is suitable to effecting HMA compaction operation.
Road roller is disposed with single shaft single-wheel, twin shaft two-wheel, twin shaft three-wheel and three axle three-wheels etc. and plants by wheel shaft.With internal combustion engine as power, using machine driving or hydraulic drive.General front-wheel steer, mobility is good, rear wheel drive.To improve steering and rolling performance, preferably using articulated steering structure and a11wheel drive.Front-wheel framework and frame are hinged, and are swung with reducing fuselage during Uneven road.Trailing wheel and frame are rigid attachment.Turn to using hydraulic operation, with hydraulic cylinder control.In front and back muller is respectively arranged with scraper plate to remove adhesive on muller.Water injection system is also equipped with, during for compacting asphalt, to muller watering in case asphalt adhesion.The increasing ballast such as iron, sand, water can be also installed additional in muller to increase active force.
Existing road roller is all single-wheel, preposition compaction plate, and this road roller is where very flat using having no problem, but when acclive place uses, it is difficult to operate, because being single-wheel, climbing capacity is excessively poor, need staff to promote to go up a slope, very expend strength, operating difficulties, and when tamping ground under the reinforcement mechanism of existing road roller, aftershock is had, many dusts easily occurs, it is unfavorable to the health of staff etc..
Jing is often glutinous on the wheel face of the wheel of road roller is stained with soil, when particularly ground is wetter, after foundry loam soil is sticked on wheel wheel face so that ground grading poor effect.
Existing road roller facilitates staff to stand because arranging pedal, but machine is accomplished by just to be operated after driver's lower plate when turning, and the process of such lower plate upper plate such as has after dust, it is possible to so that driver falls down on plate.
The content of the invention
It is an object of the invention to overcome the shortcoming and defect of above-mentioned prior art, there is provided a kind of anti-skidding road roller of architectural engineering, mainly solve that the climbing of existing road roller is poor, easily ram out the defect that easy clay, upper plate easily slip on dust, wheel face.
The purpose of the present invention is achieved through the following technical solutions：The anti-skidding road roller of architectural engineering, including fuselage, the of the same size front wheel and rear wheel being arranged on below fuselage, described rear wheel is hollow cylindrical, both sides are all respectively equipped with a disk being fixed on the port of rear wheel, afterwards the arbor of wheel is i.e. through the center of two disks, afterwards wheel is internally provided with an eccentric block, eccentric block is fixed on arbor, the two ends of described arbor are pivotally connected on fuselage, the rotating shaft of described front wheel and the arbor of rear wheel are all connected on motor by belt and are rotated, the two ends of described arbor are both provided with roller, roller cannot be moved on the bearing of trend of arbor, roller Jing elastic rods are fixed on fuselage, described elastic rod includes the guide post of the connecting rod of connection roller and connection fuselage, described guide post is in hollow form, and upper end closed, lower ending opening, connecting rod is inserted into guide post from guide post openend, spring is provided with guide post, spring one end is fixed in the inner top wall of guide post, the other end is fixedly attached in connecting rod, a cleaning shoe is both provided with above described front wheel and rear wheel, the length of cleaning shoe is consistent with the length of rear wheel, it is arranged on the installing plate of fuselage, cleaning shoe is parallel more than installing plate, two screw rods are provided with installing plate, two strip holes corresponding with screw position are provided with cleaning shoe, strip hole width is consistent with screw diameter, bearing of trend of its length direction perpendicular to cleaning shoe, handrail is provided with described fuselage, sunshading board is being arranged above on described fuselage positioned at handrail, it is located on described fuselage immediately below handrail and is provided with pedal, support wheel is provided with below described pedal, the length of support wheel is consistent with the length of rear wheel, the upper surface of described pedal is covered with anti-skidding salient point.
In this device, front wheel and rear wheel are all rotated by motor, and both rolling speeds are consistent, and when rear wheel is rolled, its internal eccentric block is driven to rotate so that afterwards wheel is driven vertical tremor.The fritter that wheel is used on rolling road surface before this device, general heavier, rear wheel is used for vibration hammer face on the spot.Because being two-wheel, with the frictional force on ground i.e. than larger, two-wheeled cooperation, just it is more prone to during climbing.
Rear wheel in this device is connected on fuselage by an elastic device, and the two ends of the arbor of rear wheel are both provided with roller, and roller cannot be moved on the bearing of trend of arbor, and roller Jing elastic rods are fixed on fuselage.The effect of the mainly fixed arbor of roller, roller does not only affect the rotation of arbor, but also secures arbor in the vertical.In elastic rod, connecting rod is used to connect roller, and guide post is that spring is to provide elasticity, when front wheel shakes, the follow-up vibrations of front wheel is prevented, so as to reduce the dust for having rammed for ensureing to be connected to vertical direction motion.
Place arranges cleaning shoe to this device above correspondence wheel on the fuselage, and cleaning shoe also fits to wheel face, after so affixing soil on front wheel or rear wheel, i.e., scraped off by cleaning shoe, it is ensured that wheel face it is clean, it is ensured that the effect of smooth-riding surface.
The cleaning shoe of this device is retractably installed on fuselage, and two strip holes are arranged specifically on cleaning shoe, and strip hole is enclosed within the screw rod of installing plate, two plate overlappings are installed, the length of strip hole more than screw rod diameter, so cleaning shoe can be perpendicular to the movement of its bearing of trend, you can with away from near wheel, nut is screwed on screw rod and secures cleaning shoe, cleaning shoe occur wear and tear, it is impossible to effectively scrape after mud very well, will cleaning shoe decline, again fit wheel face, ensure that and scrape mud effect.
Handrail is provided with the fuselage of this device, facilitate operated by personnel, for controlling the moving direction of machine, because this device is a handrail-type, pilot control direction is needed, so in outdoor, unscreened environment, there is sunshine driver work to tire out very much, so being provided with the sunshading board for keeping the sun off.
Pedal is set, for the standing of driver so that driver's work is more laborsaving, reduces labour intensity, improves efficiency immediately below the handrail of this device.And pedal lower section is provided with support wheel; for supporting pedal; because pedal patch ground is certainly not all right; in this way vacantly; pedal is accomplished by supporting driver, it is easy to fracture, so being provided with support wheel to protect pedal; and because support wheel length is as wheel above, ground will not be caused the phenomenon of groove occur.And anti-skidding salient point is provided with pedal, when pilot control is turned, upper plate and lower plate all without because on pedal again dust and slip, it is to avoid some accidents and danger.
Further, the handle of a circle is provided with above-mentioned handrail, it is convenient that circular handle causes staff to hold.
Further, rubber layer is covered with above-mentioned handle, one is anti-skidding, and when preventing staff from turning, handle skids off hand；Two are to increase feel, and staff holds the easy hand pain of handle of hard, there is one layer of soft rubber layer, protects the hand of staff.
Further, above-mentioned roller is arranged above a baffle plate, and baffle plate is fixed on elastic rod.Baffle plate is for preventing dust from falling in roller.
The invention has the beneficial effects as follows：This device employs dicycly road roller, front-wheel crushing small clod, way of escape vibrations compacting ground, and dicycly, strengthens climbing capacity；
The compacting wheel of this device is connected to fuselage by an elastic device, thus in compacting wheel vibrations, then there is aftershock, i.e., elastic device will contradict the aftershock of compacting wheel, so avoiding because impact of the dust to human pilot occurs in follow-up aftershock；
This device arranges cleaning shoe above wheel, it is ensured that wheel wheel face it is clean, it is ensured that the smooth effect of device road pavement；
The cleaning shoe of this device can be moved up and down, and after there is abrasion, can be moved down cleaning shoe so that press close to wheel face very well again, it is ensured that scrape mud effect；
This device is provided with a sunshading board above driver, so in pilot control, blocks sunlight, optimizes the working environment of driver；
Pedal is set immediately below the handrail of this device, for the standing of driver, labour intensity is reduced, efficiency is improve；Support wheel is set below pedal, it is to avoid the phenomenon that pedal fractures because of long term support driver；Anti-skidding salient point is set in the plate face of pedal, driver is protected, it is to avoid dust again in plate face, when driver is in upper plate lower plate the phenomenon that slips occur.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the dispersed structure schematic diagram of rear wheel；
Fig. 3 is the fractionation schematic diagram of elastic rod；
Fig. 4 is the scheme of installation of installing plate and cleaning shoe；
In figure, 1- fuselages, wheel before 2-, wheel after 3-, 4- eccentric blocks, 5- handrails, 6- elastic rods, 7- sunshading boards, 8- pedals, 101- cleaning shoes, 102- installing plates, 103- screw rods, 104- strip holes, 301- ports, 302- disks, 303- arbors, 304- rollers, 305- baffle plates, 601- connecting rods, 602- guide posts, 603- springs, 801- support wheels, 802- anti-skidding salient points.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but the structure of the present invention is not limited only to following examples.
Embodiment
As Figure 1-Figure 4, the anti-skidding road roller of architectural engineering, including fuselage 1, it is arranged on the of the same size front wheel 2 and rear wheel 3 of the lower section of fuselage 1, described rear wheel 3 is hollow cylindrical, both sides are all respectively equipped with a disk 302 being fixed on the port 301 of rear wheel 3, afterwards the arbor 303 of wheel 3 is i.e. through the center of two disks 302, afterwards wheel 3 is internally provided with an eccentric block 4, eccentric block 4 is fixed on arbor 303, the two ends of described arbor 303 are pivotally connected on fuselage 1, the rotating shaft of described front wheel 2 and the arbor 303 of rear wheel 3 are all connected on motor by belt and are rotated, the two ends of described arbor 303 are both provided with roller 304, roller 304 cannot be moved on the bearing of trend of arbor 303, the Jing elastic rods 6 of roller 304 are fixed on the fuselage 1, described elastic rod 6 includes the guide post 602 of the connecting rod 601 of connection roller 304 and connection fuselage 1, described guide post 602 is in hollow form, and upper end closed, lower ending opening, connecting rod 601 is inserted into guide post 602 from the openend of guide post 602, spring 603 is provided with guide post 602, the one end of spring 603 is fixed in the inner top wall of guide post 602, the other end is fixedly attached in connecting rod 601, described front wheel 2 and the top of rear wheel 3 is both provided with a cleaning shoe 101, the length of cleaning shoe 101 is consistent with the length of rear wheel 3, it is arranged on the installing plate 102 of fuselage 1, the cleaning shoe 101 of installing plate more than 102 is parallel, two screw rods 103 are provided with installing plate 102, two strip holes 104 corresponding with the position of screw rod 103 are provided with cleaning shoe 101, the width of strip hole 104 is consistent with the diameter of screw rod 103, bearing of trend of its length direction perpendicular to cleaning shoe 101, handrail 5 is provided with described fuselage 1, sunshading board 7 is being arranged above on described fuselage 1 positioned at handrail 5, underface on described fuselage 1 positioned at handrail 5 is provided with pedal 8, the lower section of described pedal 8 is provided with support wheel 801, the length of support wheel 801 is consistent with the length of rear wheel 3, the upper surface of described pedal 8 is covered with anti-skidding salient point 802.
In this device, front wheel 2 and rear wheel 3 are all rotated by motor, and both rolling speeds are consistent, and when rear wheel 3 is rolled, its internal eccentric block 4 is driven to rotate so that afterwards wheel 3 is driven vertical tremor.The fritter that wheel 2 is used on rolling road surface before this device, general heavier, rear wheel 3 is used for vibration hammer face on the spot.Because being two-wheel, with the frictional force on ground i.e. than larger, two-wheeled cooperation, just it is more prone to during climbing.
Rear wheel in this device is connected on fuselage by an elastic device, and the two ends of the arbor 303 of rear wheel are both provided with roller 304, and roller 304 cannot be moved on the bearing of trend of arbor 303, and the Jing elastic rods 6 of roller 304 are fixed on the fuselage 1.The effect of the mainly fixed arbor 303 of roller 304, roller 304 does not only affect the rotation of arbor 303, but also secures arbor 303 in the vertical.In elastic rod 6, connecting rod 601 is used to connect roller, and guide post 602 is that spring 603 is to provide elasticity, when front wheel 3 shakes, the follow-up vibrations of front wheel 3 is prevented, so as to reduce the dust for having rammed for ensureing to be connected to vertical direction motion.
Place arranges cleaning shoe 101 to this device above correspondence wheel on the fuselage, and cleaning shoe 101 also fits to wheel face, after so affixing soil on front wheel 2 or rear wheel 3, i.e., is scraped off by cleaning shoe 101, it is ensured that wheel face it is clean, it is ensured that the effect of smooth-riding surface.
The cleaning shoe 101 of this device is retractably installed on fuselage 1, two strip holes 104 are set specifically on cleaning shoe 101, strip hole 104 is enclosed within the screw rod 103 of installing plate 102, two plate overlappings are installed, diameter of the length of strip hole 104 more than screw rod 103, so cleaning shoe 104 can be perpendicular to its bearing of trend movement, may be located remotely from and near wheel, nut is screwed on screw rod 103 and secures cleaning shoe 101, occur wearing and tearing in cleaning shoe 101, cannot effectively scrape very well after mud, will cleaning shoe 101 decline, again fit wheel face, ensure that and scrape mud effect.
Handrail 5 is provided with the fuselage 1 of this device, facilitate operated by personnel, for controlling the moving direction of machine, because this device is a handrail-type, pilot control direction is needed, so in outdoor, unscreened environment, there is sunshine driver work to tire out very much, so being provided with the sunshading board 7 for keeping the sun off.
Pedal 8 is set immediately below the handrail 5 of this device, for the standing of driver, labour intensity is reduced, efficiency is improve；Driver stands on pedal 8 usually when taking the air line, and when turning, that is, needs pedal 8 under driver, just can be turned.And the lower section of pedal 8 is provided with support wheel 801; for supporting pedal 8; because the patch of pedal 8 ground is certainly not all right; in this way vacantly; pedal 8 is accomplished by supporting driver, it is easy to fracture, so being provided with support wheel 801 to protect pedal 8; and because the length of support wheel 801 is as wheel above, ground will not be caused the phenomenon of groove occur.And anti-skidding salient point 802 is provided with pedal 8, when pilot control is turned, upper plate and lower plate all without because on pedal 8 again dust and slip, it is to avoid some accidents and danger.
Further, the handle 501 of a circle is provided with above-mentioned handrail 5, circular handle 501 causes staff to hold convenient.
Further, rubber layer is covered with above-mentioned handle 501, one is anti-skidding, when preventing staff from turning, handle 501 skids off hand；Two are to increase feel, and staff holds the easy hand of handle 501 pain of hard, there is one layer of soft rubber layer, protects the hand of staff.
Further, above-mentioned roller 304 is arranged above a baffle plate 305, and baffle plate 305 is fixed on elastic rod 6.Baffle plate 305 is for preventing dust from falling in roller 304.
Claims (4)
1. the anti-skidding road roller of architectural engineering, it is characterised in that including fuselage（1）, it is arranged on fuselage（1）The of the same size front wheel of lower section（2）With rear wheel（3）, described rear wheel（3）For hollow cylindrical, both sides are all respectively equipped with one and are fixed on rear wheel（3）Port（301）On disk（302）, rear wheel（3）Arbor（303）Pass through two disks（302）Center, rear wheel（3）Be internally provided with an eccentric block（4）, eccentric block（4）It is fixed on arbor（303）On, described arbor（303）Two ends be pivotally connected to fuselage（1）On, described front wheel（2）Rotating shaft and rear wheel（3）Arbor（303）All it is connected on motor by belt and is rotated, described arbor（303）Two ends be both provided with roller（304）, roller（304）In arbor（303）Bearing of trend on cannot move, roller（304）Jing elastic rods（6）It is fixed on fuselage（1）On, described elastic rod（6）Including connection roller（304）Connecting rod（601）With connection fuselage（1）Guide post（602）, described guide post（602）In hollow form, and upper end closed, lower ending opening, connecting rod（601）From guide post（602）Openend is inserted into guide post（602）It is interior, guide post（602）Inside it is provided with spring（603）, spring（603）One end is fixed on guide post（602）Inner top wall on, the other end is fixedly attached to connecting rod（601）On, described front wheel（2）With rear wheel（3）Top be both provided with a cleaning shoe（101）, cleaning shoe（101）Length and rear wheel（3）Length it is consistent, it is arranged on fuselage（1）Installing plate（102）On, installing plate（102）Remaining cleaning shoe（101）It is parallel, installing plate（102）On be provided with two screw rods（103）, cleaning shoe（101）On be provided with two and screw rod（103）The corresponding strip hole in position（104）, strip hole（104）Width and screw rod（103）Diameter is consistent, and its length direction is perpendicular to cleaning shoe（101）Bearing of trend, described fuselage（1）On be provided with handrail（5）, described fuselage（1）On positioned at handrail（5）Be arranged above sunshading board（7）, described fuselage（1）It is upper to be located at handrail（5）Underface be provided with pedal（8）, described pedal（8）Lower section be provided with support wheel（801）, support wheel（801）Length and rear wheel（3）Consistent, the described pedal of length（8）Upper surface be covered with and have anti-skidding salient point（802）.
2. the anti-skidding road roller of architectural engineering according to claim 1, it is characterised in that described handrail（5）On be provided with the handle of a circle（501）.
3. the anti-skidding road roller of architectural engineering according to claim 2, it is characterised in that described handle（501）On be covered with rubber layer.
4. the anti-skidding road roller of architectural engineering according to claim 1, it is characterised in that described roller（304）Be arranged above a baffle plate（305）, baffle plate（305）It is fixed on elastic rod（6）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510767904.1A CN106677018A (en) | 2015-11-11 | 2015-11-11 | Anti-skid road roller for constructional engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510767904.1A CN106677018A (en) | 2015-11-11 | 2015-11-11 | Anti-skid road roller for constructional engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106677018A true CN106677018A (en) | 2017-05-17 |
Family
ID=58864930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510767904.1A Pending CN106677018A (en) | 2015-11-11 | 2015-11-11 | Anti-skid road roller for constructional engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106677018A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740314A (en) * | 2017-08-23 | 2018-02-27 | 安徽兴宇轨道装备有限公司 | A kind of smooth roller arrangement for trackless intelligent paver |
| CN111549624A (en) * | 2020-04-22 | 2020-08-18 | 张秀金 | Cement road surface impression rectangle molding device |
| CN111560820A (en) * | 2020-05-26 | 2020-08-21 | 青岛建工路桥集团有限公司 | Road device is pressed in vibrations of highway construction usefulness |
-
2015
- 2015-11-11 CN CN201510767904.1A patent/CN106677018A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740314A (en) * | 2017-08-23 | 2018-02-27 | 安徽兴宇轨道装备有限公司 | A kind of smooth roller arrangement for trackless intelligent paver |
| CN107740314B (en) * | 2017-08-23 | 2023-12-12 | 安徽兴宇轨道装备有限公司 | Leveling roller device for trackless intelligent paver |
| CN111549624A (en) * | 2020-04-22 | 2020-08-18 | 张秀金 | Cement road surface impression rectangle molding device |
| CN111560820A (en) * | 2020-05-26 | 2020-08-21 | 青岛建工路桥集团有限公司 | Road device is pressed in vibrations of highway construction usefulness |
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Application publication date: 20170517 |