CN106677033A - Bionic road roller steel wheel and operation method thereof - Google Patents
Bionic road roller steel wheel and operation method thereof Download PDFInfo
- Publication number
- CN106677033A CN106677033A CN201710134820.3A CN201710134820A CN106677033A CN 106677033 A CN106677033 A CN 106677033A CN 201710134820 A CN201710134820 A CN 201710134820A CN 106677033 A CN106677033 A CN 106677033A
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- China
- Prior art keywords
- steel wheel
- bionical
- wheel
- road roller
- end cap
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- 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.)
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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
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
-
- 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
- E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
- E01C19/286—Vibration or impact-imparting means; Arrangement, mounting or adjustment thereof; Construction or mounting of the rolling elements, transmission or drive thereto, e.g. to vibrator mounted inside the roll
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a bionic road roller steel wheel and an operation method thereof. The bionic road roller steel wheel comprises a steel wheel, a bionic compaction device, a fixed end cover, an electromagnetic positioning column and a polygon drawing prism. According to the bionic road roller steel wheel and the operation method thereof, the bionic compaction device carries out rough surface rolling on a rigid-flexible combined surface of cement-stabilized soil by using a bionic technology; and the steel wheel carries out plane compaction on a pavement. The bionic road roller steel wheel can be applicable to rolling of a plane and a rough surface at the same time, a user is greatly facilitated, the practical range is improved, and the bionic road roller steel wheel has the advantages of being simple in structure, convenient to disassemble and assemble, reasonable in setting and low in cost.
Description
Technical field
The invention belongs to road traffic field of mechanical technique, more particularly to a kind of bionical road roller steel wheel and its operation side
Method.
Background technology
Road roller belongs to the category of road furniture in engineering machinery, is widely used in high-grade highway, railway, airport race
The embankment compacting operation of the Larger Engineering Projects such as road, dam, stadium, can roll sand, half viscosity and clayed soil, roadbed
Stable soil and Colophonium mixed mud supercrust.
With the mechanical action of gravity of itself, it is adaptable to various compacting operations, make to be rolled layer and produce permanent deformation and closely knit.
It is divided into steel wheel formula and the class of rubber-tyred two again.Muller is configured with light stone roller, groove stone roller and sheep-foot roller etc..Light grinds application most generally, main to use
In top course compacting.Using being mechanically or hydraulically driven, can concentrate strength on being compacted jut, compacting flatness is high, is suitable to drip
Blue or green pavement compaction operation.Single shaft single-wheel, twin shaft two-wheel, twin shaft three-wheel and three axle three-wheels etc. are disposed with by wheel shaft to plant.With internal combustion engine
For power, using machine driving or hydraulic drive.General front-wheel steer, mobility is good, rear wheel drive.In present road composition
In, cement pavement and bituminous paving are the principal modes on road surface, are referred to as rigid pavement and flexible pavement.Bituminous paving be
The flexible pavement that certain thickness asphalt makees surface layer is laid on soil cement base, compared with rigid cement pavement,
Based on the bituminous paving surfacing seamless of soil cement base, the driving little, noise of vibration is low, open to traffic is fast, maintenance
It is easy so that cement stabilized soil adds the structure of asphalt surface course to already take up China's express highway pavement more than 85%.But, it is this
The pavement structure of cement stabilized soil rigid flexible system also brings hidden danger to pavement quality, Colophonium cutting optimal and soil cement base it
Between the skimble-scamble problem of deformation so that the anastomosis of contact surface large losses, and, substantial amounts of research confirms that cement is steady
The bonding of fixed native hard and soft interlayer generally existing is not tightly to cause pavement destruction, the short-life major reason of contracting.
The adhesion strength deficiency on road surface not only causes huge maintenance cost, and extreme influence Pavement Condition and driving
Safety, causes the double loss of economic benefit and social benefit.Therefore, the bonding of cement stabilized soil surface rigid flexible system layer is increased
Power, improves pavement construction quality, extends pavement life, significant to nation-building and national economy.Meanwhile, existing
The pressure roller species of road roller is different in technology, and all each advantageous in use, is all separately mounted on different road rollers, one
As be difficult to be changed, therefore for same road roller can not simultaneously be suitable for multi-functional pressure roller, to user inconvenience is brought.
The content of the invention
It is an object of the invention to provide a kind of bionical road roller steel wheel and its operational approach, firm to solve cement stabilized soil
The not tight problem that bonds of soft interlayer generally existing.
For achieving the above object, the present invention is employed the following technical solutions：
A kind of bionical road roller steel wheel, including steel wheel, bionical compaction apparatus, fixed end cap, electromagnetic location post and polygon
Withdrawing pattern prism；Steel wheel is cylindric, and steel wheel axis is provided with some electromagnetic location posts on the side of steel wheel；Fixed end cap
For circle, the two ends of steel wheel are fixedly installed with one heart fixed end cap, and the area of fixed end cap more than the area of steel wheel end；
The two ends of electromagnetic location post are fixed on fixing end lid；Bionical compaction apparatus be arc, the number and electromagnetism of bionical compaction apparatus
The number of locating dowel is identical, the electromagnetism matched with electromagnetic location post is provided with the arc-shaped concave of each bionical compaction apparatus and is determined
Position post draw-in groove, bionical compaction apparatus are stuck on electromagnetic location post, and bionical compaction apparatus are capable of the outer surface of fully wrapped around steel wheel；It is imitative
Some polygon withdrawing pattern prisms are evenly arranged with raw compaction apparatus arc convex surface.
Further, steel wheel includes interior steel wheel and outer steel wheel, and outer firm wheel is co-axially located at the outside of interior steel wheel, interior steel wheel edge
Axis is provided with rotary sleeve hole；The sealing two ends of interior steel wheel and outer firm wheel, between interior steel wheel and outer firm wheel closing space is formed.
Further, some shanks of bolt are circumferentially evenly arranged with the both ends of the surface of steel wheel；One end of steel wheel is additionally provided with
Lead to feeding hole and the peep-hole of closing space.
Further, the end cap locating dowel draw-in groove for Motionless electromagnetic locating dowel is provided with the excircle of fixed end cap；
The end cap fixing hole matched with shank of bolt is additionally provided with fixing end lid, end cap fixing hole is enclosed within shank of bolt, by nut
It is fixed.
Further, polygon withdrawing pattern prism is regular hexagon withdrawing pattern prism；The number of electromagnetic location post is 4.
Further, a kind of operational approach based on bionical road roller steel wheel, the bionical road roller steel wheel include steel wheel,
Bionical compaction apparatus, fixed end cap, electromagnetic location post and polygon withdrawing pattern prism；Steel wheel is cylindric, is put down on the side of steel wheel
Row is provided with some electromagnetic location posts in steel wheel axis；Fixed end cap is circle, and the two ends of steel wheel are fixedly installed with one heart
Fixed end lid, and the area of fixed end cap is more than the area of steel wheel end；The two ends of electromagnetic location post are fixed on fixing end lid；It is imitative
Raw compaction apparatus are arc, and the number of bionical compaction apparatus is identical with the number of electromagnetic location post, each bionical compaction apparatus
The electromagnetic location post draw-in groove matched with electromagnetic location post is provided with arc-shaped concave, bionical compaction apparatus are stuck in electromagnetic location post
On, bionical compaction apparatus are capable of the outer surface of fully wrapped around steel wheel；It is evenly arranged with bionical compaction apparatus arc convex surface some many
Side shape withdrawing pattern prism；
Steel wheel includes interior steel wheel and outer steel wheel, and outer firm wheel is co-axially located at the outside of interior steel wheel, and interior steel wheel is arranged along axis
There is rotary sleeve hole；The sealing two ends of interior steel wheel and outer firm wheel, between interior steel wheel and outer firm wheel closing space is formed；The one of steel wheel
End is additionally provided with the feeding hole and peep-hole for leading to closing space；
The operational approach based on bionical road roller steel wheel, comprises the following steps：
1) the bionical compaction apparatus that there is hexagon withdrawing pattern prism on surface are arranged on the surface of steel column, by consolidating for steel column two ends
Fixed end lid is tightened by bolt, electromagnetic location post is powered so that it has ferromagnetism and firmly adsorbs in steel wheel and bionical compacting
Between device；
2) road roller steel wheel of this device is arranged on road roller, by feeding hole to filling flowing in road roller steel wheel
Property material, increase road roller steel wheel counterweight, while by peep-hole observe steel wheel inside inventory；
3) start road roller, roughness processing carried out to cement stabilized soil rigid flexible system face by this device, when need into
During row plane compaction, bionical compaction apparatus are dismantled, road pavement carries out plane compaction.
Compared with prior art, the present invention has following technique effect:
A kind of bionical road roller steel wheel of the present invention and its operational approach, bionical compaction apparatus utilize bionics techniques pair
Cement stabilized soil rigid flexible system face carries out matsurface roll-in；Described steel wheel road pavement carries out plane compaction；Can be suitable for simultaneously
The pressure roller of plane and matsurface type, significantly facilitates user, improves usage range, and with simple structure, easy accessibility, set
Put the reasonable, advantage of low cost；Road surface after bionical compaction apparatus roll-in can improve cement stabilized soil rigid flexible system face
Roughness and frictional force, the packing interaction that maximum is reached after Colophonium of being easy to pave avoids producing sliding, greatly reinforces cement stabilizing
Native rigid flexible system interlayer adhesion.
Description of the drawings
Fig. 1 is the front view of device of the present invention；
Fig. 2 is the left view of device of the present invention；
Fig. 3 is the full sectional view of device of the present invention；
Fig. 4 is the steel wheel structural representation of device of the present invention；
Fig. 5 is the bionical compaction apparatus structural representation of device of the present invention；
Fig. 6 is the fixed end cap structural representation of device of the present invention；
Fig. 7 is regular hexagon withdrawing pattern prism structure schematic diagram.
Wherein：The bionical compaction apparatus of 2-, 3- steel wheels, 4- fix end cap, 5- end cap fixing holes, 6- end cap locating dowel draw-in grooves,
7- rotary sleeves hole, 8- feedings hole, 9- electromagnetic location posts, 10- peep-holes, 11- electromagnetic location post draw-in grooves, 12- polygon withdrawing patterns
Steel wheel, 14- outer steel wheel, 15- fixing bolts in prism, 13-.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described：
Refer to Fig. 1 to Fig. 7, a kind of bionical road roller steel wheel, including steel wheel 3, bionical compaction apparatus 2, fixed end cap 4,
Electromagnetic location post 9 and polygon withdrawing pattern prism 12；Steel wheel 3 is cylindric, is arranged parallel to the axis of steel wheel 3 on the side of steel wheel 3
There are some electromagnetic location posts 9；Fixed end cap 4 is circle, and the two ends of steel wheel 3 are fixedly installed with one heart fixed end cap 4, and fixed
Area of the area of end cap 4 more than the end of steel wheel 3；The two ends of electromagnetic location post 9 are fixed on fixed end cap 4；Bionical compacting dress
2 are put for arc, the number of bionical compaction apparatus 2 is identical with the number of electromagnetic location post 9, the arc of each bionical compaction apparatus 2
The electromagnetic location post draw-in groove 11 matched with electromagnetic location post 9 is provided with concave surface, bionical compaction apparatus 2 are stuck in electromagnetic location post
On 9, bionical compaction apparatus 2 are capable of the outer surface of fully wrapped around steel wheel 3；If being evenly arranged with the arc convex surface of bionical compaction apparatus 2
Dry polygon withdrawing pattern prism 12.
Steel wheel 3 includes interior steel wheel 13 and outer steel wheel 14, and outer firm wheel 14 is co-axially located at the outside of interior steel wheel 13, interior steel wheel 13
Axis is provided with rotary sleeve hole 7；The sealing two ends of interior steel wheel 13 and outer firm wheel 14, shape between interior steel wheel 13 and outer firm wheel 14
Into closing space.
Some shanks of bolt 15 are circumferentially evenly arranged with the both ends of the surface of steel wheel 3；One end of steel wheel 3 is additionally provided with leads to envelope
Close feeding hole 8 and the peep-hole 10 in space.
The end cap locating dowel draw-in groove 6 for Motionless electromagnetic locating dowel 9 is provided with the excircle of fixed end cap 4；Fixing end
The end cap fixing hole 5 matched with shank of bolt 15 is additionally provided with lid 4, end cap fixing hole 5 is enclosed within shank of bolt 15, by nut
It is fixed.
Polygon withdrawing pattern prism 12 is regular hexagon withdrawing pattern prism；The number of electromagnetic location post 9 is 4.
The operational approach based on bionical road roller steel wheel, comprises the following steps：
1) the bionical compaction apparatus 2 that there is hexagon withdrawing pattern prism on surface are arranged on the surface of steel column 3, by the two ends of steel column 3
Fixed end cap 4 tightened by bolt, electromagnetic location post 9 is powered so that it have ferromagnetism and firmly adsorb steel wheel 3 with it is imitative
Between raw compaction apparatus 2；
2) road roller steel wheel of this device is arranged on road roller, by feeding hole 8 to filling stream in road roller steel wheel
Dynamic property material, increases the counterweight of road roller steel wheel, while the inventory observed inside steel wheel 3 by peep-hole 10；
3) start road roller, roughness processing carried out to cement stabilized soil rigid flexible system face by this device, when need into
During row plane compaction, bionical compaction apparatus 2 are dismantled, road pavement carries out plane compaction.
Claims (6)
1. a kind of bionical road roller steel wheel, it is characterised in that including steel wheel (3), bionical compaction apparatus (2), fixed end cap (4),
Electromagnetic location post (9) and polygon withdrawing pattern prism (12)；Steel wheel (3) is cylindric, parallel to steel wheel on the side of steel wheel (3)
(3) axis is provided with some electromagnetic location posts (9)；Fixed end cap (4) is circle, and the two ends of steel wheel (3) are fixedly installed with one heart
There are fixed end cap (4), and the area of fixed end cap (4) more than the area of steel wheel (3) end；The two ends of electromagnetic location post (9) are consolidated
It is scheduled on fixed end cap (4)；Bionical compaction apparatus (2) are arc, the number and electromagnetic location post (9) of bionical compaction apparatus (2)
Number it is identical, the electromagnetism matched with electromagnetic location post (9) is provided with the arc-shaped concave of each bionical compaction apparatus (2) and is determined
Position post draw-in groove (11), bionical compaction apparatus (2) are stuck on electromagnetic location post (9), and bionical compaction apparatus (2) being capable of fully wrapped around steel
The outer surface of wheel (3)；Some polygon withdrawing pattern prisms (12) are evenly arranged with bionical compaction apparatus (2) arc convex surface.
2. a kind of bionical road roller steel wheel according to claim 1, it is characterised in that steel wheel (3) includes interior steel wheel (13)
With outer steel wheel (14), outer firm wheel (14) is co-axially located at the outside of interior steel wheel (13), and interior steel wheel (13) is provided with rotation along axis
Axle sleeve hole (7)；Interior steel wheel (13) and the sealing two ends of outer firm wheel (14), form closing between interior steel wheel (13) and outer firm wheel (14)
Space.
3. a kind of bionical road roller steel wheel according to claim 2, it is characterised in that along circle in the both ends of the surface of steel wheel (3)
It is evenly arranged with some shanks of bolt (15) week；One end of steel wheel (3) is additionally provided with the feeding hole (8) of leading to closing space and spies on
Hole (10).
4. a kind of bionical road roller steel wheel according to claim 3, it is characterised in that on the excircle of fixed end cap (4)
It is provided with end cap locating dowel draw-in groove (6) for Motionless electromagnetic locating dowel (9)；It is additionally provided with and shank of bolt on fixed end cap (4)
(15) the end cap fixing hole (5) for matching, end cap fixing hole (5) is enclosed within shank of bolt (15), is fixed by nut.
5. a kind of bionical road roller steel wheel according to claim 1, it is characterised in that polygon withdrawing pattern prism (12) is for just
Hexagon withdrawing pattern prism；The number of electromagnetic location post (9) is 4.
6. a kind of operational approach based on bionical road roller steel wheel, it is characterised in that the bionical road roller steel wheel includes steel wheel
(3), bionical compaction apparatus (2), fixed end cap (4), electromagnetic location post (9) and polygon withdrawing pattern prism (12)；Steel wheel (3) is circle
Column, some electromagnetic location posts (9) are provided with the side of steel wheel (3) parallel to steel wheel (3) axis；Fixed end cap (4) is circle
Shape, the two ends of steel wheel (3) are fixedly installed with one heart fixed end cap (4), and the area of fixed end cap (4) is held more than steel wheel (3)
The area in portion；The two ends of electromagnetic location post (9) are fixed on fixed end cap (4)；Bionical compaction apparatus (2) are arc, bionical pressure
The number that actual load puts (2) is identical with the number of electromagnetic location post (9), arranges on the arc-shaped concave of each bionical compaction apparatus (2)
There is electromagnetic location post draw-in groove (11) matched with electromagnetic location post (9), bionical compaction apparatus (2) are stuck in electromagnetic location post (9)
On, bionical compaction apparatus (2) are capable of the outer surface of fully wrapped around steel wheel (3)；It is uniformly arranged on bionical compaction apparatus (2) arc convex surface
There are some polygon withdrawing pattern prisms (12)；
Steel wheel (3) includes interior steel wheel (13) and outer steel wheel (14), and outer firm wheel (14) is co-axially located at the outside of interior steel wheel (13), interior
Steel wheel (13) is provided with rotary sleeve hole (7) along axis；Interior steel wheel (13) and the sealing two ends of outer firm wheel (14), interior steel wheel (13)
Closing space is formed and outer firm wheel (14) between；One end of steel wheel (3) is additionally provided with the feeding hole (8) of leading to closing space and peeps
Window (10)；
The operational approach based on bionical road roller steel wheel, comprises the following steps：
1) surface is had the bionical compaction apparatus (2) of hexagon withdrawing pattern prism installed in the surface of steel column (3), by steel column (3) two
The fixed end cap (4) at end is tightened by bolt, electromagnetic location post (9) is powered so that it has ferromagnetism and firmly adsorbs in steel
Between wheel (3) and bionical compaction apparatus (2)；
2) road roller steel wheel of this device is arranged on road roller, by feeding hole (8) to filling flowing in road roller steel wheel
Property material, increase the counterweight of road roller steel wheel, while observing the internal inventory of steel wheel (3) by peep-hole (10)；
3) road roller is started, roughness processing is carried out to cement stabilized soil rigid flexible system face by this device, when needs are put down
Face pressure in real time, bionical compaction apparatus (2) is dismantled, and road pavement carries out plane compaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134820.3A CN106677033A (en) | 2017-03-07 | 2017-03-07 | Bionic road roller steel wheel and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134820.3A CN106677033A (en) | 2017-03-07 | 2017-03-07 | Bionic road roller steel wheel and operation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106677033A true CN106677033A (en) | 2017-05-17 |
Family
ID=58828592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710134820.3A Pending CN106677033A (en) | 2017-03-07 | 2017-03-07 | Bionic road roller steel wheel and operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106677033A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761521A (en) * | 2017-10-12 | 2018-03-06 | 长安大学 | The steady soil surface roughness processing road roller and method of a kind of bituminous paving |
| CN109137682A (en) * | 2018-10-10 | 2019-01-04 | 泉州台商投资区长芳设计有限公司 | A kind of bridge construction road roller using gravity and magnetic force double action |
| CN112900201A (en) * | 2019-12-04 | 2021-06-04 | 哈姆股份公司 | Ground processing roller |
| CN113699857A (en) * | 2021-09-27 | 2021-11-26 | 秦皇岛路桥建设开发有限公司 | Supercharging device for asphalt pavement hardening construction |
| CN113792441A (en) * | 2021-09-28 | 2021-12-14 | 徐工集团工程机械股份有限公司道路机械分公司 | Method for establishing digital model of road roller vibration system |
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| CN201351256Y (en) * | 2008-10-21 | 2009-11-25 | 一拖(洛阳)建筑机械有限公司 | Thin skin bumping wheel for vibrating drum of smooth-wheel roller |
| CN102518023A (en) * | 2012-01-12 | 2012-06-27 | 长安大学 | Bump split wheel sleeve for steel rolling wheel |
| CN105401509A (en) * | 2015-12-14 | 2016-03-16 | 湖南三一路面机械有限公司 | Steel wheel type road roller and rolling wheel thereof |
| CN206607483U (en) * | 2017-03-07 | 2017-11-03 | 长安大学 | A kind of bionical road roller steel wheel |
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2017
- 2017-03-07 CN CN201710134820.3A patent/CN106677033A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201351256Y (en) * | 2008-10-21 | 2009-11-25 | 一拖(洛阳)建筑机械有限公司 | Thin skin bumping wheel for vibrating drum of smooth-wheel roller |
| CN102518023A (en) * | 2012-01-12 | 2012-06-27 | 长安大学 | Bump split wheel sleeve for steel rolling wheel |
| CN105401509A (en) * | 2015-12-14 | 2016-03-16 | 湖南三一路面机械有限公司 | Steel wheel type road roller and rolling wheel thereof |
| CN206607483U (en) * | 2017-03-07 | 2017-11-03 | 长安大学 | A kind of bionical road roller steel wheel |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761521A (en) * | 2017-10-12 | 2018-03-06 | 长安大学 | The steady soil surface roughness processing road roller and method of a kind of bituminous paving |
| CN109137682A (en) * | 2018-10-10 | 2019-01-04 | 泉州台商投资区长芳设计有限公司 | A kind of bridge construction road roller using gravity and magnetic force double action |
| CN109137682B (en) * | 2018-10-10 | 2021-06-08 | 青岛巨源建工集团有限公司 | Road roller for bridge construction by using dual effects of gravity and magnetic force |
| CN112900201A (en) * | 2019-12-04 | 2021-06-04 | 哈姆股份公司 | Ground processing roller |
| CN112900201B (en) * | 2019-12-04 | 2023-01-31 | 哈姆股份公司 | Ground processing roller |
| CN113699857A (en) * | 2021-09-27 | 2021-11-26 | 秦皇岛路桥建设开发有限公司 | Supercharging device for asphalt pavement hardening construction |
| CN113792441A (en) * | 2021-09-28 | 2021-12-14 | 徐工集团工程机械股份有限公司道路机械分公司 | Method for establishing digital model of road roller vibration system |
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Application publication date: 20170517 |