CN113089424B - Asphalt pavement leveling device for highway engineering - Google Patents
Asphalt pavement leveling device for highway engineering Download PDFInfo
- Publication number
- CN113089424B CN113089424B CN202110391260.6A CN202110391260A CN113089424B CN 113089424 B CN113089424 B CN 113089424B CN 202110391260 A CN202110391260 A CN 202110391260A CN 113089424 B CN113089424 B CN 113089424B
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- frame
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- fixing
- mounting
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- 239000010426 asphalt Substances 0.000 title claims description 15
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 abstract description 8
- 230000003746 surface roughness Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- 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
- E01C19/12—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 distributing granular or liquid materials
- E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
-
- 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
- E01C19/12—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 distributing granular or liquid materials
- E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
- E01C19/187—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect solely for spreading-out or striking-off deposited mixtures, e.g. spread-out screws, strike-off boards
-
- 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
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a bituminous pavement leveling device for highway engineering, which comprises a moving frame, wherein a mounting frame for leveling a pavement is fixedly arranged on the moving frame, a fixed block for fixing the mounting frame is fixedly arranged on the moving frame, a fixed frame for pushing surplus materials on the pavement is fixedly arranged on the moving frame, symmetrically distributed insert blocks are arranged on the moving frame, symmetrically distributed vertical plates are fixedly arranged on the moving frame, symmetrically distributed slide rails are arranged on one side of each vertical plate, handrails are fixedly arranged on the other side of each vertical plate, symmetrically distributed through holes and first sliding grooves are formed in the vertical plates, an installation block is fixedly arranged on one side of each vertical plate, a straight plate is fixedly arranged on the other side of each vertical plate, and an installation groove for fastening the fixed frame is formed in each installation block. This practical leveling device, push pedal clearance clout, swinging plate reciprocating motion, the flattening road surface removes the removal frame, and the swash plate is strickleed off the road surface, spirit level monitoring road surface roughness, simple structure, simple to operate, easy to operate alleviates workman's amount of labour.
Description
Technical Field
The invention relates to a road paving device, in particular to an asphalt pavement leveling device for highway engineering.
Background
Asphalt pavement refers to various types of pavement that are made by incorporating into mineral materials a road asphalt material. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, and enables the pavement to be smooth, less in dust, impermeable and durable. Accordingly, asphalt pavement is one of the most widely used high-grade pavements in road construction. Traditional pitch highway all is the road roller flattening, perhaps manual operation machine flattening, and the pitch road surface construction degree of difficulty is big, and the workman is under construction troublesome, and the pitch road surface roughness after the construction is not high, and workman working strength is big, and the unable clearance of pitch clout is troublesome.
To above-mentioned current problem, a bituminous paving leveling device for highway engineering is now designed.
Disclosure of Invention
The invention aims to provide an asphalt pavement leveling device for highway engineering, which is simple in structure, convenient to install, easy to operate and capable of reducing labor amount of workers.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a bituminous paving leveling device for highway engineering, leveling device is including removing the frame, removes the frame and sets firmly the mounting bracket that is used for the road surface flattening, removes the frame and sets firmly the fixed block that is used for fixed mounting bracket, removes the fixed mount that is equipped with on the frame and is used for promoting the road surface clout, removes the inserted block that is equipped with the symmetric distribution on the frame.
The fixed riser that is equipped with the symmetric distribution on the removal frame, riser one side is equipped with the slide rail of symmetric distribution, and the fixed handrail that is equipped with of opposite side is equipped with the through-hole and the first spout of symmetric distribution on the riser, and riser one side is fixed and is equipped with the installation piece, and the opposite side is fixed and is equipped with straight board, is equipped with the mounting groove that is used for fastening the mount on the installation piece.
Riser one side fastening is equipped with the spirit level, and the fixed bracing piece that is equipped with in straight board one side, bracing piece one end and straight board fastening connection, the other end and mounting panel fastening connection remove and put up one side and be equipped with the swash plate that is used for the flattening road surface, remove and put up and be equipped with the square groove that is used for fixed mounting frame.
Be equipped with the installed part of array distribution on the mounting bracket, be equipped with the third spout of array distribution on the mounting bracket, be equipped with the mounting on the mounting bracket, fixedly between the installed part be equipped with the guide arm, slide on the guide arm and be equipped with the swing board, the U-shaped frame that symmetric distribution was fastened firmly on the swing board.
Further, be equipped with hand wheel and first spring on the mounting panel, be equipped with the gag lever post on the mounting panel, be equipped with the handle on the gag lever post, be equipped with first stopper and second stopper on the gag lever post, first spring one end and first stopper fastening connection, the other end and mounting panel fastening connection, mounting panel one side is rotated and is equipped with first gear and second gear, second gear and hand wheel fastening connection, one side fastening of first gear is equipped with the turning block, be equipped with array distribution's mating holes on the turning block, the fixed gyro wheel that is equipped with array distribution in one side of turning block.
Furthermore, the first gear is matched with the second gear, and the limiting rod is matched with the matching hole.
Further, it is equipped with the circle axle to rotate between the U-shaped frame, and the epaxial fixed lug that is equipped with of circle, the fixed first motor that is equipped with in U-shaped frame one side, and the output of first motor runs through U-shaped frame and circle axle fastening connection, fixedly between the mounting is equipped with the dead lever, and the fixed limiting plate that is equipped with in dead lever one side, the both sides of limiting plate are equipped with array distribution's second spring, and second spring one end and limiting plate fastening connection, the other end and swing board fastening connection.
Furthermore, a sliding block is fixedly arranged on the fixing block, a threaded hole is formed in the fixing block, and a fixing angle used for fixing the mounting frame is fixedly arranged on the fixing block.
Furthermore, the sliding block is matched with the first sliding groove, and the screw rod penetrates through the through hole to be matched with the threaded hole.
Furthermore, the fixing frame is provided with symmetrically distributed open slots, a push plate is arranged in the fixing frame in a rotating mode, a second motor is fixedly arranged on one side of the fixing frame, and the output end of the second motor penetrates through the fixing frame and is tightly connected with the push plate.
Furthermore, a top plate is arranged on the insertion block, and a through groove is formed in the insertion block.
Furthermore, the fixing frame is matched with the mounting groove, and the insertion block penetrates through the mounting groove to be matched with the open groove.
The invention has the beneficial effects that:
1. according to the leveling device, the push plate cleans excess materials, the excess materials are uniform, subsequent leveling is facilitated, the oscillating plate reciprocates, asphalt on the pavement is leveled, the moving frame is moved, the inclined plate scrapes the asphalt pavement, the leveller monitors the flatness of the asphalt pavement, and operation is facilitated;
2. the leveling device has the advantages of simple structure, convenience in installation and easiness in operation, and the labor amount of workers is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the construction of the screed apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the mobile frame of the present invention;
FIG. 3 is a side view of the mobile frame of the present invention;
FIG. 4 is a schematic view of the construction of the mount of the present invention;
FIG. 5 is a schematic view of the fixed block of the present invention;
FIG. 6 is a schematic view of the structure of the fixing frame of the present invention;
FIG. 7 is a schematic diagram of the structure of the insert block of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a bituminous paving leveling device for highway engineering, as shown in figure 1, leveling device is including removing frame 1, removes to put up 1 and sets firmly the mounting bracket 2 that is used for the road surface flattening, removes to put up 1 and sets firmly fixed block 3 that is used for fixed mounting bracket 2, removes to put up 1 and goes up the fixed mount 4 that is equipped with and is used for promoting the surplus material in road surface, removes the inserted block 5 that is equipped with symmetric distribution on putting up 1.
As shown in fig. 2 and 3, a vertical plate 11 with symmetrical distribution is fixed on a movable frame 1, a sliding rail 12 with symmetrical distribution is arranged on one side of the vertical plate 11, a handrail 111 is fixed on the other side, a through hole 14 and a first sliding groove 13 with symmetrical distribution are arranged on the vertical plate 11, an installation block 15 is fixed on one side of the vertical plate 11, a straight plate 113 is fixed on the other side, an installation groove 16 for fastening a fixed frame 4 is arranged on the installation block 15, a level meter 112 is arranged on one side of the vertical plate 11, a supporting rod 114 is fixed on one side of the straight plate 113, one end of the supporting rod 114 is fixedly connected with the straight plate 113, the other end is fixedly connected with an installation plate 115, an inclined plate 100 for leveling a road surface is arranged on one side of the movable frame 1, and a square groove 1000 for fixing the installation frame 2 is arranged on the movable frame 1.
Be equipped with hand wheel 10 and first spring 173 on the mounting panel 115, be equipped with gag lever post 17 on the mounting panel 115, be equipped with handle 171 on the gag lever post 17, be equipped with first stopper 172 and second stopper 174 on the gag lever post 17, first spring 173 one end and first stopper 172 fastening connection, the other end and mounting panel 115 fastening connection, mounting panel 115 one side is rotated and is equipped with first gear 18 and second gear 19, second gear 19 and hand wheel 10 fastening connection, the fastening of one side of first gear 18 is equipped with turning block 117, be equipped with the mating holes 119 of array distribution on the turning block 117, the fixed gyro wheel 118 that is equipped with the array distribution in one side of turning block 117.
The first gear 18 is engaged with the second gear 19, and the stopper rod 17 is engaged with the engaging hole 119.
As shown in fig. 4, the mounting member 21 with array distribution is arranged on the mounting frame 2, the third sliding groove 22 with array distribution is arranged on the mounting frame 2, the fixing member 25 is arranged on the mounting frame 2, the guide rod 23 is fixedly arranged between the mounting members 21, the swing plate 24 is slidably arranged on the guide rod 23, the U-shaped frame 241 with symmetric distribution is fixedly arranged on the swing plate 24, the circular shaft 242 is rotatably arranged between the U-shaped frame 241, the convex block 243 is fixedly arranged on the circular shaft 242, the first motor 240 is fixedly arranged on one side of the U-shaped frame 241, the output end of the first motor 240 penetrates through the U-shaped frame 241 and is fixedly connected with the circular shaft 242, the fixing rod 26 is fixedly arranged between the fixing members 25, the limiting plate 27 is fixedly arranged on one side of the fixing rod 26, the second springs 28 with array distribution are arranged on two sides of the limiting plate 27, one end of the second springs 28 is fixedly connected with the limiting plate 27, and the other end is fixedly connected with the swing plate 24.
As shown in fig. 5, a sliding block 31 is fixedly arranged on the fixing block 3, a threaded hole 32 is arranged on the fixing block 3, and a fixing angle 33 for fixing the mounting frame 2 is fixedly arranged on the fixing block 3.
The slide block 31 is matched with the first sliding chute 13, and the screw rod passes through the through hole 14 to be matched with the threaded hole 32.
As shown in fig. 6, the fixing frame 4 is provided with symmetrically distributed open slots 41, a push plate 42 is rotatably disposed in the fixing frame 4, a second motor 43 is fixedly disposed at one side of the fixing frame 4, and an output end of the second motor 43 penetrates through the fixing frame 4 and is fixedly connected with the push plate 42.
As shown in fig. 7, the insert block 5 is provided with a top plate 51, and the insert block 5 is provided with a through groove 52.
The fixing frame 4 is matched with the mounting groove 16, and the inserting block 5 penetrates through the mounting groove 16 to be matched with the open groove 41.
When the road surface leveling device is used, the mounting frame 2 is fixed on the moving frame 1, the handle 171 is pulled to separate the limiting rod 17 from the matching hole 119, the hand wheel 10 is rotated to adjust the angle of the roller 118 to enable the roller 118 to be perpendicular to the road surface, the handle 171 is loosened, the first spring 173 pulls the limiting rod 17 to match with the matching hole 119 to fix the roller 118, the second motor 43 is started to adjust the angle of the push plate 42 to enable the push plate 42 to be attached to the road surface, then the first motor 240 is started to rotate the lug 243 to move the swing plate 24, the swing plate 24 is reciprocated by the second spring 28, the road surface is leveled by the swing plate 24, a worker pushes the handrail 111 to move the moving frame 111 to level the road surface, and the inclined plate 100 scrapes and shapes the road surface.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. The asphalt pavement leveling device for the highway engineering is characterized by comprising a moving frame (1), wherein a mounting frame (2) for leveling the pavement is fixedly arranged on the moving frame (1), a fixing block (3) for fixing the mounting frame (2) is fixedly arranged on the moving frame (1), a fixing frame (4) for pushing excess pavement is fixedly arranged on the moving frame (1), and inserting blocks (5) which are symmetrically distributed are arranged on the moving frame (1);
the movable rack (1) is fixedly provided with symmetrically distributed vertical plates (11), one side of each vertical plate (11) is provided with symmetrically distributed sliding rails (12), the other side of each vertical plate (11) is fixedly provided with a handrail (111), the vertical plates (11) are provided with symmetrically distributed through holes (14) and first sliding grooves (13), one side of each vertical plate (11) is fixedly provided with an installation block (15), the other side of each vertical plate (11) is fixedly provided with a straight plate (113), and the installation blocks (15) are provided with installation grooves (16) for fastening the fixed rack (4);
a level gauge (112) is fixedly arranged on one side of the vertical plate (11), a support rod (114) is fixedly arranged on one side of the straight plate (113), one end of the support rod (114) is fixedly connected with the straight plate (113), the other end of the support rod is fixedly connected with the mounting plate (115), an inclined plate (100) used for leveling a road surface is arranged on one side of the movable frame (1), and a square groove (1000) used for fixing the mounting frame (2) is formed in the movable frame (1);
the mounting frame (2) is provided with mounting pieces (21) distributed in an array manner, the mounting frame (2) is provided with third sliding chutes (22) distributed in an array manner, the mounting frame (2) is provided with fixing pieces (25), guide rods (23) are fixedly arranged between the mounting pieces (21), the guide rods (23) are provided with swinging plates (24) in a sliding manner, and the swinging plates (24) are fixedly and tightly provided with symmetrically distributed U-shaped frames (241);
a hand wheel (10) and a first spring (173) are arranged on the mounting plate (115), a limiting rod (17) is arranged on the mounting plate (115), a handle (171) is arranged on the limiting rod (17), a first limiting block (172) and a second limiting block (174) are arranged on the limiting rod (17), one end of the first spring (173) is fixedly connected with the first limiting block (172), the other end of the first spring is fixedly connected with the mounting plate (115), a first gear (18) and a second gear (19) are rotatably arranged on one side of the mounting plate (115), the second gear (19) is fixedly connected with the hand wheel (10), a rotating block (117) is fixedly arranged on one side of the first gear (18), matching holes (119) distributed in an array are formed in the rotating block (117), and rollers (118) distributed in an array are fixedly arranged on one side of the rotating block (117);
a round shaft (242) is rotatably arranged between the U-shaped frames (241), a bump (243) is fixedly arranged on the round shaft (242), a first motor (240) is fixedly arranged on one side of each U-shaped frame (241), the output end of the first motor (240) penetrates through the U-shaped frames (241) to be fixedly connected with the round shaft (242), a fixing rod (26) is fixedly arranged between the fixing pieces (25), a limiting plate (27) is fixedly arranged on one side of the fixing rod (26), second springs (28) distributed in an array mode are arranged on two sides of the limiting plate (27), one end of each second spring (28) is fixedly connected with the limiting plate (27), and the other end of each second spring is fixedly connected with the swinging plate (24);
the fixing frame (4) is provided with symmetrically distributed open grooves (41), a push plate (42) is arranged in the fixing frame (4) in a rotating mode, a second motor (43) is fixedly arranged on one side of the fixing frame (4), and the output end of the second motor (43) penetrates through the fixing frame (4) and is fixedly connected with the push plate (42).
2. The asphalt pavement leveling device for road engineering according to claim 1, wherein the first gear (18) is engaged with the second gear (19), and the stopper rod (17) is engaged with the engaging hole (119).
3. The device for leveling the asphalt pavement for the road engineering according to claim 1, wherein a sliding block (31) is fixedly arranged on the fixing block (3), a threaded hole (32) is formed in the fixing block (3), and a fixing angle (33) for fixing the mounting frame (2) is fixedly arranged on the fixing block (3).
4. A device for levelling a bituminous pavement for road engineering according to claim 3, characterized in that said slider (31) cooperates with the first runner (13) and the screw cooperates with the threaded hole (32) through the through hole (14).
5. A road-engineering bituminous pavement levelling apparatus as claimed in claim 1, wherein the insert (5) is provided with a top plate (51), and the insert (5) is provided with a through groove (52).
6. The asphalt pavement leveling device for road engineering according to claim 5, wherein the fixing frame (4) is fitted with the mounting groove (16), and the insert block (5) is fitted with the open groove (41) through the mounting groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110391260.6A CN113089424B (en) | 2021-04-13 | 2021-04-13 | Asphalt pavement leveling device for highway engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110391260.6A CN113089424B (en) | 2021-04-13 | 2021-04-13 | Asphalt pavement leveling device for highway engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113089424A CN113089424A (en) | 2021-07-09 |
| CN113089424B true CN113089424B (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110391260.6A Active CN113089424B (en) | 2021-04-13 | 2021-04-13 | Asphalt pavement leveling device for highway engineering |
Country Status (1)
| Country | Link |
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| CN (1) | CN113089424B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115266290A (en) * | 2022-08-15 | 2022-11-01 | 陈佳 | Mold device for detecting ductility of asphalt for highway engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1759744C3 (en) * | 1968-06-01 | 1979-05-10 | Joseph Voegele Ag, 6800 Mannheim | Road paver for paving concrete |
| AU3604878A (en) * | 1977-05-17 | 1979-11-15 | Integrated Tech Ltd | Paving machines |
| DE19811741C1 (en) * | 1998-03-18 | 1999-09-09 | Korupp | Screed leveler for road bed |
| JP2004333182A (en) * | 2003-05-01 | 2004-11-25 | Daiwa Kenko Kk | Automatic measuring/recording device of amount of deflection in road surface |
| CN103603257B (en) * | 2013-11-29 | 2015-10-07 | 中联重科股份有限公司 | Paver |
| CN204097843U (en) * | 2014-10-22 | 2015-01-14 | 中石化胜利建设工程有限公司 | A kind of highway pavement regional area planeness continuous detection apparatus |
| CN107938471B (en) * | 2017-12-11 | 2021-03-16 | 合肥霞康电子商务有限公司 | Cement spreading device for road repairing |
| CN108486999B (en) * | 2018-03-26 | 2020-04-17 | 刚增军 | Suspension type road surface paving device |
| CN108625260B (en) * | 2018-06-13 | 2020-07-28 | 江西龙正科技发展有限公司 | Municipal construction is with concrete terrace device that levels |
| CN108560370A (en) * | 2018-07-02 | 2018-09-21 | 广西广厦环保科技有限公司 | A kind of mobile mechanism of asphalt-spreader |
| CN208762929U (en) * | 2018-07-11 | 2019-04-19 | 黄山路之梦交通工程有限责任公司 | A kind of bitumen recovery vehicle |
| CN209353199U (en) * | 2018-11-30 | 2019-09-06 | 浙江正方交通建设有限公司 | A kind of gardens bitumen construction apparatus for leveling |
| CN109944139A (en) * | 2019-04-08 | 2019-06-28 | 深圳市市政工程总公司 | Bitumen pavement construction equipment |
| CN210596945U (en) * | 2019-07-20 | 2020-05-22 | 四川玖壹建设工程有限公司 | Road surface flatness inspection device |
| CN210621404U (en) * | 2019-07-29 | 2020-05-26 | 武汉天衣新材料有限公司 | Leveling device is used in production of compound mortar concrete bed course |
| CN211227974U (en) * | 2019-10-16 | 2020-08-11 | 汪飞龙 | Leveling device after paving road engineering asphalt |
| CN212582357U (en) * | 2020-03-03 | 2021-02-23 | 中国建筑第二工程局有限公司 | Highway bituminous paving leveling device |
| CN111794050A (en) * | 2020-06-28 | 2020-10-20 | 陈秀兰 | Cement leveling vehicle for road construction |
| CN212742098U (en) * | 2020-07-07 | 2021-03-19 | 杭州顺帆体育发展有限公司 | Paver for plastic track |
| CN112626973A (en) * | 2021-01-15 | 2021-04-09 | 上海康筘实业有限公司 | Construction device for leveling road roller |
-
2021
- 2021-04-13 CN CN202110391260.6A patent/CN113089424B/en active Active
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|---|---|
| CN113089424A (en) | 2021-07-09 |
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