CN110130192A - A kind of small-sized asphalt paving pusher gear of uniform blanking - Google Patents
A kind of small-sized asphalt paving pusher gear of uniform blanking Download PDFInfo
- Publication number
- CN110130192A CN110130192A CN201910439067.8A CN201910439067A CN110130192A CN 110130192 A CN110130192 A CN 110130192A CN 201910439067 A CN201910439067 A CN 201910439067A CN 110130192 A CN110130192 A CN 110130192A
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- Prior art keywords
- asphalt
- asphalt tank
- small
- asphalt paving
- tank
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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
- E01C19/48—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 laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4866—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 laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The present invention relates to asphalt paving technical fields, specifically disclose a kind of small-sized asphalt paving pusher gear of uniform blanking, it there is the asphalt tank in blanking portion and is fixedly mounted on the portion that rolls of another side bottom of the support platform including being fixed at support platform side and bottom, rotation is equipped with the rabbling mechanism for being mixed to asphaltene in asphalt tank along its central axes in the asphalt tank；It links between the rabbling mechanism and blanking portion；The bottom end of the asphalt tank is uncovered structure, and the blanking portion includes the refining plate that rotary seal is set at the uncovered structure of the asphalt tank bottom end, and the refining plate is equipped with the different feed opening of multiple moving radius.The present invention is designed by the linkage of blanking portion and rabbling mechanism, is solved the problems, such as in the prior art can not uniformly fall to the ground asphaltene during asphalt paving, be ensure that the quality of asphalt paving.
Description
Technical field
The present invention relates to asphalt paving technical field, the small-sized asphalt paving pusher gear of specifically a kind of uniform blanking.
Background technique
The dark brown complex mixture that pitch is made of the hydrocarbon and its non metallic derivatives of different molecular weight,
It is in a liquid, semi-solid or solid state, it is a kind of waterproof and dampproof and corrosion-resistant organic cementitious material.For works such as coating, plastics, rubber
Industry and surfacing etc..
During asphalt paving, a part is laid with manually to be manually laid with, time-consuming and laborious, in order to save
Labour's pays, and substantially uses laying apparatus, and existing laying apparatus, in process of deployment, asphalt mixing is not enough,
Asphaltene often focuses on a position, pitch is easy to cause to accumulate when falling on the ground, influences the laying efficiency of pitch
With laying quality.
Summary of the invention
The purpose of the present invention is to provide a kind of small-sized asphalt paving pusher gears of uniform blanking, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of small-sized asphalt paving pusher gear of uniform blanking, including it is fixed at support platform side and under bottom has
The asphalt tank in material portion and be fixedly mounted on another side bottom of the support platform roll portion, the pitch object being discharged through blanking portion
After material is fallen to the ground, the asphaltene on ground is compacted by the portion of rolling, to realize the laying to pitch；
Along its central axes, rotation is equipped with the rabbling mechanism for being mixed to asphaltene in asphalt tank in the asphalt tank；Institute
It states and links between rabbling mechanism and blanking portion；
The bottom end of the asphalt tank is uncovered structure, and the blanking portion includes that rotary seal is set to the asphalt tank bottom end opening
Refining plate at structure, the refining plate are equipped with the different feed opening of multiple moving radius, and in each described feed opening
It is equipped with solenoid valve.
As a further solution of the present invention: the rabbling mechanism includes the central axes rotation setting along the asphalt tank
Stirring shaft and the multiple stirring rods being fixedly mounted on the stirring shaft；
The rabbling mechanism further includes the stirring motor for driving the stirring shaft rotation.
As a further solution of the present invention: be additionally provided in the lower lumen of the asphalt tank under the stirring shaft
The upper support bar that portion plays a supportive role；The bottom inner cavity of the asphalt tank is additionally provided with for playing a supportive role to the support shaft
Lower support bar.
As a further solution of the present invention: the bottom end of the stirring shaft is fixedly installed with drive bevel gear；It is described even
The interior lateral edge of flitch is wherein fixedly installed support shaft on axis, and the top of the support shaft is fixedly installed with and the master
The identical driven wheel of differential of dynamic bevel gear structure.
As a further solution of the present invention: be also equipped on the lower lumen side wall of the asphalt tank for pushing linkage
Bevel gear moves to the transverse electric telescoping cylinder engaged simultaneously with drive bevel gear and driven wheel of differential.
As a further solution of the present invention: the quantity of the feed opening is two, and two feed openings are located at refining
On the third sub-path of plate radius.
As a further solution of the present invention: leakproofness when to improve refining plate and the rotation of asphalt tank bottom end open-mouth,
The bottom end bottom surface of the asphalt tank, which is integrally formed, is equipped with T-type sliding block, and the outer end top surface of the refining plate offers sliding with the T-type
The T-type sliding slot that block matches, and the first gasket ring is equipped in the T-type sliding slot.
As a further solution of the present invention: being fixedly installed seal receptacle on cavity wall in the bottom of the asphalt tank, institute
The outer top surface for stating refining plate is integrally formed the sealing ring for being equipped with and matching with the annular groove of the seal receptacle bottom, and the ring
The second gasket ring is equipped in shape slot.
As a further solution of the present invention: the portion of rolling includes the rolling wheel for being separately positioned on lifter plate two sides bottom surface
It is taken turns with smoothing out, the outer ring for smoothing out wheel is equipped with heating ring, and is additionally provided on the lifter plate for pushing scraper block to move
To the electric pushrod being in contact with the surface for smoothing out wheel；The portion of rolling further includes being fixedly mounted in support platform and for pushing away
The vertical electric expansion cylinder that dynamic lifter plate moves up and down.
As a further solution of the present invention: for convenience of the movement of the asphalt paving push-off device, the support platform
Two side bottoms are provided with traveling wheel, and are provided with driving motor on one of traveling wheel, and the driving motor used the power on drives
Dynamic traveling wheel rotation improves the laying efficiency of pitch to reduce the labor intensity of Manual-pushing push-off device walking.
As a further solution of the present invention: for the solidification for avoiding asphaltene in asphalt tank, also being set in the asphalt tank
There is electrically heated rod, to make it keep flow regime for heating to the asphaltene in asphalt tank.
Compared with prior art, in the small-sized asphalt paving pusher gear of uniform blanking provided in an embodiment of the present invention,
The driving motor driving traveling wheel rotation of energization improves pitch to reduce the labor intensity of Manual-pushing push-off device walking
Laying efficiency, after the asphaltene being discharged through blanking portion is uniformly fallen to the ground, by the portion of rolling to the asphaltene on ground
It is compacted, to realize the laying to pitch；Wherein, the present invention also utilizes rabbling mechanism under treatment fluid state in asphalt tank
Pitch be stirred mixing, for the uniform blanking effect for realizing asphaltene in asphalt tank, open the electricity in corresponding discharge port
After magnet valve, the asphaltene in asphalt tank passes through the discharge port discharge for having opened solenoid valve, at this point, when rabbling mechanism operating,
The stirring shaft of rotation can drive drive bevel gear to rotate, the refining under the transmission effect of linkage bevel gear, in blanking portion
Plate rotation, at this point, the asphaltene in asphalt tank passes through the feed opening row after opening solenoid valve during refining plate rotates
Out, and since feed opening is around the rotation of the central axes of refining plate, enable to the asphaltene being discharged through feed opening uniform at this time
It falls on the ground of pitch to be laid.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment.
Fig. 1 is the structural schematic diagram of the small-sized asphalt paving pusher gear of uniform blanking provided in an embodiment of the present invention.
Fig. 2 is the enlarged structure schematic diagram of part A in Fig. 1.
Fig. 3 is a visual angle of refining disk in the small-sized asphalt paving pusher gear of the uniform blanking of the embodiment of the present invention
Figure.
Fig. 4 is another visual angle of refining disk in the small-sized asphalt paving pusher gear of the uniform blanking of the embodiment of the present invention
Figure.
In figure: 1- asphalt tank, 2- driver's cabin, 3- support platform, 4- traveling wheel, 5- driving motor, the vertical electric expansion of 6-
Cylinder, 7- lifter plate, 8- rolling wheel, 9- smooth out wheel, 10- scraper block, 11- electric pushrod, 12- heating ring, 13- electrically heated rod, 14-
Stirring shaft, 15- feeding port, 16- stirring motor, 17- stirring rod, 18- upper support bar, 19- drive bevel gear, 20- linkage cone
Gear, 21- refining plate, 22- lower support bar, 23- transverse electric telescoping cylinder, 24- driven wheel of differential, 25- support shaft, 26-T type
Sliding block, the first gasket ring of 27-, 28-T type sliding slot, 29- seal receptacle, 30- sealing ring, the second gasket ring of 31-, 32- blanking
Mouthful, 33- solenoid valve.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, in one embodiment provided by the invention, a kind of small-sized asphalt paving cart dress of uniform blanking
It sets, there is the asphalt tank 1 in blanking portion and is fixedly mounted on the support including being fixed at 3 side of support platform and bottom
Another side bottom of platform 3 rolls portion, after the asphaltene being discharged through blanking portion is fallen to the ground, by the portion of rolling on ground
Asphaltene is compacted, to realize the laying to pitch；Further, for convenience of the movement of the asphalt paving push-off device,
Two side bottoms of the support platform 3 are provided with traveling wheel 4, and driving motor 5 is provided on one of traveling wheel 4, benefit
It drives traveling wheel 4 to rotate with the driving motor 5 of energization, to reduce the labor intensity of Manual-pushing push-off device walking, improves
The laying efficiency of pitch；
In embodiments of the present invention, driver's cabin 2 is additionally provided at the top of the other side of the support platform 3.
Specifically, in embodiments of the present invention, the top of the asphalt tank 1 is equipped with feeding port 15, and asphaltene passes through throwing
Material mouth 15 is added in asphalt tank 1, and along its central axes, rotation is equipped with for pitch object in asphalt tank 1 in the asphalt tank 1
Expect mixed rabbling mechanism, for the solidification for avoiding asphaltene in asphalt tank 1, is additionally provided with electric heating in the asphalt tank 1
Stick 13, to make it keep flow regime for heating to the asphaltene in asphalt tank 1.
Further, please continue to refer to Fig. 1, in rabbling mechanism provided in an embodiment of the present invention, the rabbling mechanism packet
It includes the stirring shaft 14 of central axes rotation setting along the asphalt tank 1 and is fixedly mounted on more on the stirring shaft 14
A stirring rod 17, and the rabbling mechanism further includes the stirring motor 16 for driving the stirring shaft 14 to rotate, wherein it stirs
It mixes and is drivingly connected between the output shaft of motor 16 and the top of stirring shaft 14 by shaft coupling (not shown)；It is stirred to improve
The stability of mechanism is mixed, is additionally provided in the lower lumen of the asphalt tank 1 and plays a supportive role to the lower part of the stirring shaft 14
Upper support bar 18, wherein be rotatablely connected between the bottom of stirring shaft 14 and the middle part of the upper support bar 18；In this implementation
In example, the stirring motor 16 used the power on drives stirring shaft 14 to rotate, and the stirring shaft 14 of rotation drives 17 pairs of stirring rod drips
Pitch in green tank 1 under treatment fluid state is stirred mixing.
It as shown in Figs 1-4, is the uniform blanking effect for realizing asphaltene in asphalt tank 1, the bottom end of the asphalt tank 1 is
Uncovered structure, and the blanking portion includes the refining plate 21 that rotary seal is set at the 1 bottom end uncovered structure of asphalt tank, it is described
Refining plate 21 is equipped with the different feed opening 32 of multiple moving radius, and is equipped with solenoid valve in each described feed opening 32
33；After opening the solenoid valve 33 in corresponding discharge port 32, the asphaltene in asphalt tank 1 passes through the discharging for having opened solenoid valve 33
Mouth 32 is discharged, and is at this time the single complete asphaltogenic discharging of discharge method.
It for the effect for realizing the uniform blanking of asphaltene, links between the rabbling mechanism and blanking portion, the stirring turns
The bottom end of axis 14 is fixedly installed with drive bevel gear 19；The interior lateral edge of the refining plate 21 is wherein fixedly installed support on axis
The top of shaft 25, the support shaft 25 is fixedly installed with driven wheel of differential identical with 19 structure of drive bevel gear
24；It is also equipped on the lower lumen side wall of the asphalt tank 1 for pushing linkage bevel gear 20 to move to and drive bevel gear
19 and the transverse electric telescoping cylinder 23 that engages simultaneously of driven wheel of differential 24, at this point, the stirring of rotation turns when rabbling mechanism operating
Axis 14 can drive drive bevel gear 19 to rotate, and under the transmission effect of linkage bevel gear 20, the refining plate 21 in blanking portion revolves
Turn, at this point, the asphaltene in asphalt tank 1 passes through the feed opening 32 after opening solenoid valve 33 during refining plate 21 rotates
Discharge, and since feed opening 32 is around the rotation of the central axes of refining plate 21, the pitch object being discharged through feed opening 32 is enabled at this time
Material is uniformly fallen on the ground of pitch to be laid.
Further, the bottom inner cavity of the asphalt tank 1 is additionally provided with for supporting shaft 25 to play a supportive role to described
Lower support bar 22, wherein be rotatablely connected between the top and the lower support bar 22 of support shaft 25.
Preferably, in another embodiment provided by the invention, the quantity of the feed opening 32 is two, two feed openings
32 are located on the third sub-path of 21 radius of refining plate.
Leakproofness when further, to improve refining plate 21 and the rotation of 1 bottom end open-mouth of asphalt tank, the asphalt tank
1 bottom end bottom surface, which is integrally formed, is equipped with T-type sliding block 26, and the outer end top surface of the refining plate 21 offers and the T-type sliding block 26
The T-type sliding slot 28 matched, and the first gasket ring 27 is equipped in the T-type sliding slot 28；Moreover, the bottom of the asphalt tank 1
Seal receptacle 29 is fixedly installed on interior cavity wall, the outer top surface of the refining plate 21, which is integrally formed, to be equipped with and the seal receptacle 29
The sealing ring 30 that the annular groove of bottom matches, and the second gasket ring 31 is equipped in the annular groove.
As shown in Figure 1, the portion of rolling includes being separately positioned on lifter plate in another embodiment provided by the invention
The rolling wheel 8 and floating wheel 9 of 7 two sides bottom surface, the outer ring for smoothing out wheel 9, which is equipped with, heats ring 12, and also sets on the lifter plate 7
It is equipped with the electric pushrod 11 being in contact for pushing scraper block 10 to move to the surface for smoothing out wheel 9；The portion of rolling further includes
It is fixedly mounted on the vertical electric expansion cylinder 6 in support platform 3 and for pushing lifter plate 7 to move up and down, to realize to stone roller
Pinch roller 8 and the adjusting for smoothing out 9 height in the vertical direction of wheel, to adapt to the requirement of different-thickness asphalt paving；The floating wheel 9
For carrying out floating processing to bituminous sheaths；The scraper block 10 is used to root out the pitch for smoothing out adhesion on wheel 9；The rolling wheel
8 for doing compaction treatment to the bituminous sheaths of floating.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.In the description of the present invention unless specifically defined or limited otherwise, term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of small-sized asphalt paving pusher gear of uniform blanking, which is characterized in that including being fixed at support platform (3)
Side and bottom have the asphalt tank (1) in blanking portion and are fixedly mounted on rolling for the support platform (3) another side bottom
Portion；
Along its central axes, rotation is equipped with the stirring for being mixed to asphalt tank (1) interior asphaltene in the asphalt tank (1)
Mechanism；It links between the rabbling mechanism and blanking portion；
The bottom end of the asphalt tank (1) is uncovered structure, and the blanking portion includes that rotary seal is set to the asphalt tank (1) bottom
The refining plate (21) at uncovered structure is held, the refining plate (21) is equipped with the different feed opening (32) of multiple moving radius, and
Solenoid valve (33) are equipped in each described feed opening (32).
2. the small-sized asphalt paving pusher gear of uniform blanking according to claim 1, which is characterized in that the blender
Structure includes the stirring shaft (14) being arranged along the interior central axes rotation of the asphalt tank (1) and is fixedly mounted on the stirring shaft
(14) multiple stirring rods (17) on；
The rabbling mechanism further includes the stirring motor (16) for driving the stirring shaft (14) to rotate.
3. the small-sized asphalt paving pusher gear of uniform blanking according to claim 2, which is characterized in that the stirring turns
The bottom end of axis (14) is fixedly installed with drive bevel gear (19)；The interior lateral edge of the refining plate (21) is wherein fixedly installed on axis
Have support shaft (25), the top of support shaft (25) is fixedly installed with identical with the drive bevel gear (19) structure
Driven wheel of differential (24)；
It is also equipped on the lower lumen side wall of the asphalt tank (1) for pushing linkage bevel gear (20) to move to and initiative taper
The transverse electric telescoping cylinder (23) that gear (19) and driven wheel of differential (24) engage simultaneously.
4. the small-sized asphalt paving pusher gear of uniform blanking according to claim 3, which is characterized in that the asphalt tank
(1) upper support bar (18) to play a supportive role to the lower part of the stirring shaft (14) is additionally provided in lower lumen；The drip
The bottom inner cavity of green tank (1) is additionally provided with the lower support bar (22) for playing a supportive role to support shaft (25).
5. the small-sized asphalt paving pusher gear of uniform blanking according to claim 1 to 4, which is characterized in that described
The quantity of feed opening (32) is two, and two feed openings (32) are located on the third sub-path of refining plate (21) radius.
6. the small-sized asphalt paving pusher gear of uniform blanking according to claim 2, which is characterized in that the asphalt tank
(1) bottom end bottom surface, which is integrally formed, is equipped with T-type sliding block (26), and the outer end top surface of the refining plate (21) offers and the T-type
The T-type sliding slot (28) that sliding block (26) matches, and the first gasket ring (27) are equipped in the T-type sliding slot (28).
7. the small-sized asphalt paving pusher gear of uniform blanking according to claim 6, which is characterized in that the asphalt tank
(1) it is fixedly installed on cavity wall in bottom seal receptacle (29), the outer top surface integrated molding of the refining plate (21) is equipped with
The sealing ring (30) matched with the annular groove of the seal receptacle (29) bottom, and the second gasket ring is equipped in the annular groove
(31).
8. according to claim 1, the small-sized asphalt paving pusher gear of uniform blanking described in 2,3,4,6 or 7, feature exist
In the portion of rolling includes being separately positioned on the rolling wheel (8) of lifter plate (7) two sides bottom surface and smoothing out wheel (9), and the floating is taken turns
(9) outer ring is equipped with heating ring (12), and is additionally provided on the lifter plate (7) for pushing scraper block (10) to move to and smear
The electric pushrod (11) that the surface of flat wheel (9) is in contact；
The portion of rolling further includes being fixedly mounted on support platform (3) and for pushing the vertical of lifter plate (7) up and down motion
Electric expansion cylinder (6).
9. the small-sized asphalt paving pusher gear of uniform blanking according to claim 8, which is characterized in that the support is flat
Two side bottoms of platform (3) are provided with traveling wheel (4), and driving motor (5) are provided on one of traveling wheel (4).
10. the small-sized asphalt paving pusher gear of uniform blanking according to claim 1 to 3, which is characterized in that institute
It states in asphalt tank (1) and is additionally provided with electrically heated rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439067.8A CN110130192B (en) | 2019-05-24 | 2019-05-24 | Small-size asphalt paving cart device capable of achieving uniform blanking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439067.8A CN110130192B (en) | 2019-05-24 | 2019-05-24 | Small-size asphalt paving cart device capable of achieving uniform blanking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110130192A true CN110130192A (en) | 2019-08-16 |
| CN110130192B CN110130192B (en) | 2021-02-09 |
Family
ID=67572999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910439067.8A Expired - Fee Related CN110130192B (en) | 2019-05-24 | 2019-05-24 | Small-size asphalt paving cart device capable of achieving uniform blanking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110130192B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484228A (en) * | 2020-06-01 | 2020-08-04 | 王子腾 | Sludge drying device |
| CN111576152A (en) * | 2020-05-19 | 2020-08-25 | 安徽三建工程有限公司 | Frame for laying precast concrete pavement and using method thereof |
| CN113026491A (en) * | 2021-03-25 | 2021-06-25 | 江为志 | A pitch is spread old device for highway maintenance |
| CN114622463A (en) * | 2020-12-14 | 2022-06-14 | 深圳市卓宝科技股份有限公司 | Defoaming all-in-one is laid to pitch |
| CN115434216A (en) * | 2020-12-14 | 2022-12-06 | 深圳市卓宝科技股份有限公司 | Asphalt paving defoaming method |
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| CN208600450U (en) * | 2018-05-22 | 2019-03-15 | 广东全美花卉科技有限公司 | A kind of soil remediation medicament sowing apparatus |
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| JPH09279509A (en) * | 1996-04-10 | 1997-10-28 | Nikko Co Ltd | Asphalt cooker vehicle |
| WO2007035982A1 (en) * | 2005-09-28 | 2007-04-05 | Herbert Johann Trimborn | Method and apparatus for applying hot mix for tar sealed roads |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576152A (en) * | 2020-05-19 | 2020-08-25 | 安徽三建工程有限公司 | Frame for laying precast concrete pavement and using method thereof |
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| CN114622463A (en) * | 2020-12-14 | 2022-06-14 | 深圳市卓宝科技股份有限公司 | Defoaming all-in-one is laid to pitch |
| CN115434216A (en) * | 2020-12-14 | 2022-12-06 | 深圳市卓宝科技股份有限公司 | Asphalt paving defoaming method |
| CN115434216B (en) * | 2020-12-14 | 2024-03-12 | 深圳市卓宝科技股份有限公司 | Asphalt paving defoaming method |
| CN114622463B (en) * | 2020-12-14 | 2024-03-12 | 深圳市卓宝科技股份有限公司 | Asphalt paving and defoaming integrated machine |
| CN113026491A (en) * | 2021-03-25 | 2021-06-25 | 江为志 | A pitch is spread old device for highway maintenance |
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| Publication number | Publication date |
|---|---|
| CN110130192B (en) | 2021-02-09 |
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