CN111472235A - Asphalt concrete preparation processing equipment - Google Patents
Asphalt concrete preparation processing equipment Download PDFInfo
- Publication number
- CN111472235A CN111472235A CN202010295741.2A CN202010295741A CN111472235A CN 111472235 A CN111472235 A CN 111472235A CN 202010295741 A CN202010295741 A CN 202010295741A CN 111472235 A CN111472235 A CN 111472235A
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- frame
- sliding
- asphalt concrete
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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
- E01C19/02—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 preparing the materials
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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
- E01C19/02—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 preparing the materials
- E01C19/05—Crushing, pulverising or disintegrating apparatus; Aggregate screening, cleaning, drying or heating apparatus; Dust-collecting arrangements specially adapted therefor
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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
- E01C19/02—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 preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
- E01C19/104—Mixing by means of movable members in a non-rotating mixing enclosure, e.g. stirrers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention relates to asphalt concrete manufacturing and processing equipment which comprises a bottom plate, a stirring device and a feeding device, wherein mounting holes are uniformly formed in the bottom plate, the stirring device is arranged in the middle of the upper end of the bottom plate, a through groove is formed in the upper end of the stirring device, and the feeding device is arranged in the through groove. The invention can solve the problems that when the existing equipment is used for preparing and processing asphalt concrete, the crushed stone materials cannot be effectively screened, so that massive crushed stones are easily mixed in the mixed finished product material, the subsequent processing and use of the finished product material are influenced, and when the existing equipment is used for preparing and processing the asphalt concrete, the crushed stones usually easily block meshes of the screen, the screen cannot be cleaned in time, so that the filtering efficiency of the screen is low, the preparation efficiency of the asphalt concrete is influenced, and the like.
Description
Technical Field
The invention relates to the field of asphalt concrete processing, in particular to equipment for manufacturing and processing asphalt concrete.
Background
The asphalt concrete is a mixture prepared by manually selecting mineral aggregate, broken stone mineral powder and the like with a certain gradation composition and mixing the mineral aggregate, broken stone mineral powder and the like with a certain proportion of road asphalt material under strictly controlled conditions, and is economic and safe.
At present, the existing asphalt concrete generally has the following defects in the manufacturing and processing process: 1. when the existing equipment is used for preparing and processing asphalt concrete, the crushed stone materials cannot be effectively screened, so that large blocky crushed stones are easily mixed in the mixed finished product materials, and the subsequent processing and use of the finished product materials are influenced; 2. when the existing equipment is used for preparing and processing asphalt concrete, broken stones usually easily block meshes of the screen, and the screen cannot be cleaned in time, so that the filtering efficiency of the screen is low, and the preparation effect of the asphalt concrete is influenced.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that when the existing equipment is used for preparing and processing asphalt concrete, the crushed stone materials cannot be effectively screened, so that massive crushed stones are easily mixed in the mixed finished product material, the subsequent processing and use of the finished product material are influenced, and when the existing equipment is used for preparing and processing the asphalt concrete, the crushed stones usually easily block meshes of the screen, the screen cannot be cleaned in time, so that the filtering efficiency of the screen is low, the preparation efficiency of the asphalt concrete is influenced, and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the asphalt concrete manufacturing and processing equipment comprises a bottom plate, a stirring device and a feeding device, wherein mounting holes are uniformly formed in the bottom plate, the stirring device is arranged in the middle of the upper end of the bottom plate, a through groove is formed in the upper end of the stirring device, and the feeding device is arranged in the through groove.
Agitating unit include agitator tank, actuating mechanism and agitator, the agitator tank be cylindrical hollow structure, the agitator tank right side is provided with actuating mechanism, the actuating mechanism lower extreme is installed at the bottom plate, the agitator is evenly installed in the actuating mechanism left side, the agitator is located the agitator tank, during concrete work, actuating mechanism can drive the even stirring of agitator for the rubble can mix mutually with molten state's pitch fully.
The feeding device comprises a fixed barrel, a feeding frame, a screening mechanism, a cleaning mechanism, a sealing mechanism and a rotating mechanism, wherein the fixed barrel is arranged in a through groove, the feeding frame is arranged at the upper end of the fixed barrel, the section of the feeding frame is of a conical structure, sliding grooves are symmetrically arranged in the fixed barrel, the screening mechanism is connected in the sliding grooves in a sliding fit mode, the rotating mechanism is arranged in the fixed barrel and is arranged at the upper end of the rotating mechanism, the cleaning mechanism is uniformly arranged between the rotating mechanism and the screening mechanism, the sealing mechanism is arranged in the middle of the rotating mechanism, the outer side of the sealing mechanism is connected with the fixed barrel in a sliding fit mode, when the feeding device works, broken stones are gradually filled into the fixed barrel manually, when the weight of the broken stones is gradually increased, the rotating mechanism rotates after being meshed with a driving mechanism after moving downwards, the rotating mechanism drives the screening mechanism to effectively select the larger broken stones in, the cleaning mechanism can prevent the gravel from blocking the meshes of the screening mechanism, and after the gravel is fed, the sealing mechanism can seal the lower end of the fixed barrel.
The screening mechanism comprises a moving frame, a sliding frame, a wave frame, a connecting spring, a partition plate and a screen, wherein the moving frame is of a U-shaped circular structure in cross section, the outer side of the moving frame is connected with a sliding groove in a sliding fit manner, the connecting spring is arranged between the lower end of the moving frame and the sliding groove, the wave frame is arranged at the lower end inside the moving frame, the sliding frame is arranged at the upper end inside the moving frame and is connected with the wave frame in a sliding fit manner, the sliding frame is of a circular structure, the partition plate is uniformly arranged between the sliding frame and a rotating mechanism, the screen is arranged between adjacent partition plates, when the weight of crushed stones is gradually increased during specific work, the moving frame is stressed to move downwards, the moving frame drives the rotating mechanism to be meshed with a driving mechanism, the rotating mechanism can further drive the sliding frame to rotate, and, the screen cloth in the carriage can realize carrying out the function of screening to the rubble.
Clearance mechanism include link, slide bar, expanding spring and clearance board, the link install between screening mechanism and slewing mechanism upper end, evenly be provided with the through-hole on the link, be connected with the slide bar through sliding fit's mode in the through-hole, the slide bar is T style of calligraphy structure, be provided with expanding spring on the slide bar, the clearance board is installed to the slide bar lower extreme, concrete during operation, when screening mechanism rotates, the slide bar drives the clearance board and contacts with screening mechanism all the time, and then can clear up screening mechanism upper end, prevent that the rubble from blockking up the mesh of screening mechanism, do benefit to the use.
Preferably, actuating mechanism include support, driving motor, speed reducer and axis of rotation, bottom plate upper end right side install the support, driving motor is installed through the motor cabinet in support upper end right side, be connected with the speed reducer on driving motor's the output shaft, the speed reducer is installed in support upper end left side, the speed reducer is connected with the axis of rotation, the axis of rotation is connected with the agitator tank through the bearing.
Preferably, sealing mechanism include closing plate, stopper, slider and reset spring, the closing plate be connected with slewing mechanism through the bearing, the closing plate outside evenly is provided with the stopper, the inside symmetry of fixed bucket is provided with the spread groove, be connected with the slider through sliding fit's mode in the spread groove, the slider is connected with the stopper through the connecting rod, be provided with reset spring on the connecting rod, concrete during operation, when closing plate upper end rubble weight is less, reset spring drives the closing plate upward movement, closing plate and fixed bucket lower extreme sealing connection, the leakproofness of guaranteeing to connect prevents that the heat from scattering and disappearing.
Preferably, slewing mechanism include pivot, bearing housing, rotor plate, driving gear and driven gear, the pivot be connected with sealing mechanism through the bearing, the bearing housing is installed through installing to the pivot upper end, the rotor plate is evenly installed at the pivot middle part, driven gear is installed to the pivot lower extreme, driven gear meshing has the driving gear, the driving gear is installed in agitating unit, concrete during operation, when the pivot downstream, driven gear and the driving gear of pivot lower extreme mesh mutually, the driving gear drives the pivot through gear drive's mode and rotates.
Preferably, the lower end face of the cleaning plate is uniformly provided with bristles, and the bristles are made of wear-resistant rubber materials.
(III) advantageous effects
1. According to the asphalt concrete manufacturing and processing equipment provided by the invention, the screening mechanism can effectively clean large-block impurities in the crushed stones, so that the influence of the large-block crushed stones on the use effect of finished products is avoided;
2. according to the asphalt concrete manufacturing and processing equipment provided by the invention, the cleaning mechanism can effectively clean the surface of the screen, so that broken stones are prevented from blocking the meshes, continuous screening processing of the screen is facilitated, the filtering efficiency of the screen is improved, and the preparation effect of asphalt concrete is ensured;
3. according to the asphalt concrete manufacturing and processing equipment provided by the invention, the sealing mechanism can automatically seal the lower end of the fixed barrel after the feeding is finished, so that the heat loss in the stirring device is reduced, and the asphalt concrete manufacturing and processing equipment is beneficial to the processing of asphalt concrete.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic sectional structure of the feeding device;
FIG. 3 is a schematic cross-sectional view of the stationary barrel, the screening mechanism, the cleaning mechanism, the rotating shaft and the bearing housing of the present invention;
FIG. 4 is a schematic cross-sectional view of the sealing mechanism, the shaft, the rotating plate and the driven gear of the present invention;
FIG. 5 is a schematic diagram of the structure between the moving frame, the sliding frame, the partition and the screen.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 5, an asphalt concrete manufacturing and processing device comprises a bottom plate 1, a stirring device 2 and a feeding device 3, wherein mounting holes are uniformly formed in the bottom plate 1, the stirring device 2 is arranged in the middle of the upper end of the bottom plate 1, a through groove is formed in the upper end of the stirring device 2, and the feeding device 3 is arranged in the through groove.
Agitating unit 2 include agitator tank 21, actuating mechanism 22 and agitator 23, agitator tank 21 be cylindrical hollow structure, agitator tank 21 right side is provided with actuating mechanism 22, the lower extreme of actuating mechanism 22 is installed at bottom plate 1, agitator 23 is evenly installed in actuating mechanism 22 left side, agitator 23 is located agitator tank 21, during concrete work, actuating mechanism 22 can drive agitator 23 and evenly stir for the rubble can mix mutually with the pitch of molten condition fully.
The driving mechanism 22 comprises a support 221, a driving motor 222, a speed reducer 223 and a rotating shaft 224, the support 221 is installed on the right side of the upper end of the bottom plate 1, the driving motor 222 is installed on the right side of the upper end of the support 221 through a motor base, the speed reducer 223 is connected to an output shaft of the driving motor 222, the speed reducer 223 is installed on the left side of the upper end of the support 221, the speed reducer 223 is connected with the rotating shaft 224, and the rotating shaft 224 is connected with the stirring tank 21 through a bearing.
The feeding device 3 comprises a fixed barrel 31, a feeding frame 32, a screening mechanism 33, a cleaning mechanism 34, a sealing mechanism 35 and a rotating mechanism 36, the fixed barrel 31 is arranged in a through groove, the feeding frame 32 is arranged at the upper end of the fixed barrel 31, the section of the feeding frame 32 is of a conical structure, sliding grooves are symmetrically arranged in the fixed barrel 31, the screening mechanism 33 is connected in the sliding grooves in a sliding fit mode, the rotating mechanism 36 is arranged in the fixed barrel 31, the screening mechanism 33 is arranged at the upper end of the rotating mechanism 36, the cleaning mechanism 34 is uniformly arranged between the rotating mechanism 36 and the screening mechanism 33, the sealing mechanism 35 is arranged in the middle of the rotating mechanism 36, the outer side of the sealing mechanism 35 is connected with the fixed barrel 31 in a sliding fit mode, during specific work, broken stones are gradually filled into the fixed barrel 31 manually, when the weight is gradually increased, the rotating mechanism 36 rotates after being meshed with the driving mechanism 22 after moving downwards, slewing mechanism 36 drives screening mechanism 33 and can effectually select great rubble in the rubble, and clearance mechanism 34 can prevent that the rubble from blockking up screening mechanism 33's mesh, and after the rubble feeding finished, sealing mechanism 35 can seal fixed bucket 31 lower extreme.
The screening mechanism 33 comprises a moving frame 331, a sliding frame 332, a wave frame 333, a connecting spring 334, a clapboard 335 and a screen 336, wherein the moving frame 331 is of a U-shaped circular structure in cross section, the outer side of the moving frame 331 is connected with a sliding chute in a sliding fit manner, the connecting spring 334 is arranged between the lower end of the moving frame 331 and the sliding chute, the wave frame 333 is arranged at the lower end inside the moving frame 331, the sliding frame 332 is arranged at the upper end inside the moving frame 331, the sliding frame 332 is connected with the wave frame 333 in a sliding fit manner, the sliding frame 332 is of a circular structure, the clapboard 335 is uniformly arranged between the sliding frame 332 and the rotating mechanism 36, the screen 336 is arranged between the adjacent clapboards 335, during specific work, when the weight of crushed stones is gradually increased, the moving frame 331 is stressed to move downwards, the moving frame 331 drives the rotating mechanism 36 to be meshed with the driving mechanism 22, and, the sliding frame 332 may move up and down on the wave frame 333, and the screen 336 inside the sliding frame 332 may perform a function of screening crushed stones.
The rotating mechanism 36 comprises a rotating shaft 361, a bearing sleeve 362, a rotating plate 363, a driving gear 364 and a driven gear 365, the rotating shaft 361 is connected with the sealing mechanism 35 through a bearing, the bearing sleeve 362 is mounted at the upper end of the rotating shaft 361, the rotating plate 363 is uniformly mounted in the middle of the rotating shaft 361, the driven gear 365 is mounted at the lower end of the rotating shaft 361, the driving gear 364 is meshed with the driven gear 365, the driving gear 364 is mounted in the stirring device 2, during specific work, when the rotating shaft 361 moves downwards, the driven gear 365 at the lower end of the rotating shaft 361 is meshed with the driving gear 364, and the driving gear 364 drives the rotating shaft 361 to rotate in a gear transmission.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an asphalt concrete preparation processing equipment, includes bottom plate (1), agitating unit (2) and feed arrangement (3), its characterized in that: mounting holes are uniformly formed in the bottom plate (1), a stirring device (2) is mounted in the middle of the upper end of the bottom plate (1), a through groove is formed in the upper end of the stirring device (2), and a feeding device (3) is mounted in the through groove; wherein:
the stirring device (2) comprises a stirring tank (21), a driving mechanism (22) and a stirring frame (23), wherein the stirring tank (21) is of a cylindrical hollow structure, the driving mechanism (22) is arranged on the right side of the stirring tank (21), the lower end of the driving mechanism (22) is installed on the bottom plate (1), the stirring frame (23) is uniformly installed on the left side of the driving mechanism (22), and the stirring frame (23) is located in the stirring tank (21);
the feeding device (3) comprises a fixed barrel (31), a feeding frame (32), a screening mechanism (33), a cleaning mechanism (34), a sealing mechanism (35) and a rotating mechanism (36), the automatic grading machine is characterized in that the fixed barrel (31) is arranged in the through groove, the upper end of the fixed barrel (31) is provided with the feeding frame (32), the section of the feeding frame (32) is of a conical structure, sliding grooves are symmetrically formed in the fixed barrel (31), the screening mechanisms (33) are connected in the sliding grooves in a sliding fit mode, the rotating mechanisms (36) are arranged in the fixed barrel (31), the screening mechanisms (33) are arranged at the upper end of the rotating mechanisms (36), cleaning mechanisms (34) are uniformly arranged between the rotating mechanisms (36) and the screening mechanisms (33), the middle parts of the rotating mechanisms (36) are provided with sealing mechanisms (35), and the outer sides of the sealing mechanisms (35) are connected with the fixed barrel (31) in a sliding fit mode;
the screening mechanism (33) comprises a moving frame (331), a sliding frame (332), a wave frame (333), a connecting spring (334), a partition plate (335) and a screen (336), the moving frame (331) is of a circular ring structure with a U-shaped section, the outer side of the moving frame (331) is connected with a sliding chute in a sliding fit mode, the connecting spring (334) is installed between the lower end of the moving frame (331) and the sliding chute, the wave frame (333) is installed at the lower end inside the moving frame (331), the sliding frame (332) is arranged at the upper end inside the moving frame (331), the sliding frame (332) is connected with the wave frame (333) in a sliding fit mode, the sliding frame (332) is of a circular ring structure, the partition plates (335) are evenly installed between the sliding frame (332) and the rotating mechanism (36), and the screen (336) is installed between adjacent;
clearance mechanism (34) including link (341), slide bar (342), expanding spring (343) and clearance board (344), link (341) install between screening mechanism (33) and slewing mechanism (36) upper end, evenly be provided with the through-hole on link (341), be connected with slide bar (342) through sliding fit's mode in the through-hole, slide bar (342) are T style of calligraphy structure, be provided with expanding spring (343) on slide bar (342), clearance board (344) are installed to slide bar (342) lower extreme.
2. The asphalt concrete manufacturing and processing equipment according to claim 1, wherein: the drive mechanism (22) comprises a support (221), a drive motor (222), a speed reducer (223) and a rotating shaft (224), the support (221) is installed on the right side of the upper end of the base plate (1), the drive motor (222) is installed on the right side of the upper end of the support (221) through a motor base, the speed reducer (223) is connected to an output shaft of the drive motor (222), the speed reducer (223) is installed on the left side of the upper end of the support (221), the speed reducer (223) is connected with the rotating shaft (224), and the rotating shaft (224) is connected with the stirring tank (21) through a bearing.
3. The asphalt concrete manufacturing and processing equipment according to claim 1, wherein: the sealing mechanism (35) comprises a sealing plate (351), a limiting block (352), a sliding block (353) and a return spring (354), the sealing plate (351) is connected with the rotating mechanism (36) through a bearing, the limiting block (352) is evenly arranged on the outer side of the sealing plate (351), connecting grooves are symmetrically formed in the fixed barrel (31), the sliding block (353) is connected in the connecting grooves in a sliding fit mode, the sliding block (353) is connected with the limiting block (352) through a connecting rod, and the return spring (354) is arranged on the connecting rod.
4. The asphalt concrete manufacturing and processing equipment according to claim 1, wherein: slewing mechanism (36) including pivot (361), bearing housing (362), rotor plate (363), driving gear (364) and driven gear (365), pivot (361) be connected with sealing mechanism (35) through the bearing, pivot (361) upper end is through installing bearing housing (362), pivot (361) middle part evenly installs rotor plate (363), driven gear (365) are installed to pivot (361) lower extreme, driven gear (365) have meshing driving gear (364), driving gear (364) are installed in agitating unit (2).
5. The asphalt concrete manufacturing and processing equipment according to claim 1, wherein: the lower end face of the cleaning plate (344) is uniformly provided with bristles, and the bristles are made of wear-resistant rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295741.2A CN111472235B (en) | 2020-04-15 | 2020-04-15 | Asphalt concrete preparation processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295741.2A CN111472235B (en) | 2020-04-15 | 2020-04-15 | Asphalt concrete preparation processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111472235A true CN111472235A (en) | 2020-07-31 |
| CN111472235B CN111472235B (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010295741.2A Active CN111472235B (en) | 2020-04-15 | 2020-04-15 | Asphalt concrete preparation processing equipment |
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| Country | Link |
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| CN (1) | CN111472235B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012079A (en) * | 2020-09-02 | 2020-12-01 | 薛飞 | Highway engineering is with multi-functional asphalt paving machine |
| CN112473896A (en) * | 2020-11-03 | 2021-03-12 | 安庆皖塑化工科技有限公司 | Preparation method of chloroprene rubber asphalt waterproof coating |
| CN113089422A (en) * | 2021-04-25 | 2021-07-09 | 合肥昆暖建筑材料有限公司 | Preparation method of recycled asphalt concrete |
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| CN108842571A (en) * | 2018-07-06 | 2018-11-20 | 陈发军 | A kind of bituminous concrete agitating device |
| CN109109158A (en) * | 2018-09-06 | 2019-01-01 | 福建坪方数建筑材料有限公司 | A kind of recycled aggregate prepares the process units and its production technology of premixing dry-mixed mortar |
| CN209348445U (en) * | 2019-01-09 | 2019-09-06 | 江苏狮腾工程材料有限公司 | A kind of preparation facilities of bituminous concrete composite fibre |
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Patent Citations (5)
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| CN104209261A (en) * | 2014-09-10 | 2014-12-17 | 徐州三信环保科技有限公司 | Dual-rotation speed roller screen type concrete reclaiming equipment |
| CN205088545U (en) * | 2015-10-23 | 2016-03-16 | 福建南方路面机械有限公司 | Fine aggregate is asphalt mixing plant of system of sieving again |
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| CN109109158A (en) * | 2018-09-06 | 2019-01-01 | 福建坪方数建筑材料有限公司 | A kind of recycled aggregate prepares the process units and its production technology of premixing dry-mixed mortar |
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| CN112012079A (en) * | 2020-09-02 | 2020-12-01 | 薛飞 | Highway engineering is with multi-functional asphalt paving machine |
| CN112473896A (en) * | 2020-11-03 | 2021-03-12 | 安庆皖塑化工科技有限公司 | Preparation method of chloroprene rubber asphalt waterproof coating |
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| Publication number | Publication date |
|---|---|
| CN111472235B (en) | 2021-11-26 |
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Effective date of registration: 20211110 Address after: 322205 No. 6, lemen Avenue, Baima Town, Pujiang County, Jinhua City, Zhejiang Province Applicant after: Pujiang asphalt mixing Co., Ltd Address before: 211800 Nanjing University of technology, No. 30 Puzhu South Road, Pukou District, Nanjing, Jiangsu Province Applicant before: CuoJue |
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