CN211547238U - Road surface marking line removing and repairing device - Google Patents
Road surface marking line removing and repairing device Download PDFInfo
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- CN211547238U CN211547238U CN201922483160.7U CN201922483160U CN211547238U CN 211547238 U CN211547238 U CN 211547238U CN 201922483160 U CN201922483160 U CN 201922483160U CN 211547238 U CN211547238 U CN 211547238U
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Abstract
The utility model provides a pavement marking line cleaning and repairing device, which comprises a walking vehicle body, wherein a liftable planing and milling device is arranged on the walking vehicle body; and a refrigerant nozzle is arranged in front of the planing and milling device and connected with a refrigerant storage tank, and the refrigerant nozzle is used for spraying a refrigerant to cool the pavement of the pavement marker to be processed. The scheme that the road surface mark is embrittled by spraying low-temperature air flow through the refrigerant nozzle is convenient for planing, milling and clearing, cutter sticking in the construction process is avoided, and clearing efficiency can be greatly improved due to the adoption of the structure of the multi-saw-blade roller. In the repairing construction process, the scheme of firstly heating the road surface and refilling the repairing material is adopted, so that the bonding strength between the repairing material and the original road surface can be improved, and the repairing effect is improved. The utility model discloses not only can be used for the road surface marking line to clear away, can also be used for the repair of asphalt concrete road surface defect, for example the cleaing away and the repair of defects such as swell, indentation and crack.
Description
Technical Field
The utility model relates to a bituminous concrete pavement construction field, especially a road surface marking line clears away patching device.
Background
Asphalt concrete pavement is a very widely used road pavement, which is usually provided with pavement marking lines, and the pavement marking lines are easy to wear after being used for a period of time, or have modification, and the marking lines are often required to be repaired or modified. The existing asphalt concrete pavement for municipal engineering is generally finished manually, firstly, a worker chisels out the damaged part of the asphalt pavement and the surrounding part together by using tools such as a rake, a chisel and the like and cleans the chiseled part, then, asphalt concrete is laid manually, asphalt is melted and leveled by using a hot-pressing device, and finally, the asphalt is dried; however, the above steps are performed manually, and many people are needed to cooperate with each other, which consumes much labor. And the existing repairing scheme needs to cut off the whole asphalt concrete block, so that the waste is large. For example, chinese patent document CN 109537424 a discloses an asphalt pavement patching device for municipal works. CN 110184876 a describes a method for repairing cracks on asphalt road pavement, which also adopts the method of repairing cracks after grooving. Chinese patent document CN 209508777U describes an integrated milling device of a road milling machine, which utilizes the rotation of the milling drum 3 to cut the road surface. However, the technical problem is also greater in the scheme, because the viscosity of asphalt in the asphalt concrete is higher, the cutter is easy to stick in the cutting process, the subsequent milling efficiency is affected, and particularly in the scheme of only cutting a small amount of asphalt concrete, the construction scheme needs to be stopped frequently to clean the cutter. There are also solutions that use grinding wheels for grinding, but this solution is less efficient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a road surface marking line removes patching device is provided, can improve the efficiency that road surface marking line was clear away by a wide margin, in the preferred scheme, can realize once only accomplishing and clear away and the process of repairing.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a pavement marking line removing and repairing device comprises a walking vehicle body, wherein a lifting planing and milling device is arranged on the walking vehicle body;
and a refrigerant nozzle is arranged in front of the planing and milling device and connected with a refrigerant storage tank, and the refrigerant nozzle is used for spraying a refrigerant to cool the pavement of the pavement marker to be processed.
In the preferred scheme, a fan is also arranged on the walking vehicle body;
the refrigerant nozzle is a three-way nozzle, a straight-through inlet is communicated with an air outlet of the fan, a lateral inlet is communicated with an outlet of the refrigerant storage tank, and a pressure reducing valve is arranged at the outlet of the refrigerant storage tank;
the nozzle of the cooling medium nozzle faces the road surface sign, and the nozzle is a section of pipeline with gradually reduced through-flow section.
In a preferred embodiment, the planing and milling device has the following structure: one end of the swing frame is pivoted with the walking vehicle body, and the other end of the swing frame is provided with a planing and milling roller;
the milling driving motor is fixedly arranged on the swing frame and is connected with the milling roller through a transmission mechanism so as to drive the milling roller to rotate;
a swing frame lifting device is also arranged between the swing frame and the walking vehicle body.
In a preferred embodiment, the planing and milling device has the following structure: one end of the swing frame is pivoted with the walking vehicle body, and the other end of the swing frame is provided with a first saw blade roller;
one end of the second swing frame is pivoted with the walking vehicle body, and the other end of the second swing frame is provided with a second saw blade roller;
the swing frame is connected with the second swing frame through a connecting frame, and the walking vehicle body, the swing frame, the connecting frame and the second swing frame form a quadrilateral mechanism;
a planning and milling driving motor is also arranged on the swing frame or the second swing frame and is connected with the first saw blade roller or the second saw blade roller through a transmission mechanism,
the first saw blade roller is connected with the second saw blade roller through a second transmission mechanism;
to drive the first saw blade roller and the second saw blade roller to rotate;
a swing frame lifting device is also arranged between the swing frame or the second swing frame and the walking vehicle body.
In a preferred scheme, the first saw blade roller and the second saw blade roller are formed by installing a plurality of saw blades on a shaft, a gasket is arranged between the saw blades, and the saw blades on the first saw blade roller and the second saw blade roller are arranged in a staggered mode, namely, gaps between the saw blades on the second saw blade roller and the saw blades of the first saw blade roller are aligned.
In a preferred scheme, the structure of the swing frame lifting device is as follows: the second connecting rod is arranged on the walking vehicle body, the first connecting rod is arranged on the swing frame, and the rotating seat is sleeved with the second connecting rod and can rotate relatively;
the rotating seat is fixedly connected with the lifting motor, an output shaft of the lifting motor is fixedly connected with the screw rod, and the rotating threaded sleeve is sleeved with the first connecting rod and can rotate relatively;
the screw rod is in threaded connection with the threaded sleeve.
In the preferred scheme, a closed vertical curtain is arranged around the planing and milling device, and the area enclosed by the closed vertical curtain is connected with the residue collecting and separating device through a pipeline;
the residue collecting and separating device is internally provided with a negative pressure suction device and a gas-solid separating device so as to suck the planing and milling residues and separate the planing and milling residues from air.
In the preferred scheme, a road surface heating device is further arranged and is positioned behind the planning and milling device and used for heating the planned and milled road surface, and in the road surface heating device, a fuel storage tank is connected with a heating nozzle through a pipeline.
In the preferred scheme, the road surface repairing device is further arranged, the repairing material supply box is connected with the repairing material nozzle through a pipeline, a heating device is arranged in the repairing material supply box, and an insulating layer is arranged on the outer wall of the repairing material supply box;
the patching material comprises asphalt concrete or hot-melt marking paint which has the same color with the ground.
A construction method adopting the pavement marking line removing and repairing device comprises the following steps:
s1, positioning the walking vehicle body and the road surface mark to enable the planing and milling device to be aligned with the road surface mark;
s2, starting the walking vehicle body to start walking, starting a refrigerant nozzle to blow and cool the pavement marker, and locally cooling the pavement marker to be below 4 ℃;
s3, the road surface mark is removed by the planing and milling device through the road surface mark, and the swing frame lifting device controls the removing height of the planing and milling device;
s4, carrying out same-color repairing on the road surface after being removed;
the pavement marking line removing and repairing construction is realized through the steps.
The utility model provides a pair of pavement marking line clears away patching device makes the scheme of pavement marking embrittlement through adopting refrigerant nozzle blowout low temperature air current to dig and mill and clear away, avoid gluing the sword in the work progress, the structure of the many saw bit rollers of adoption also can improve by a wide margin and clear away efficiency. In the repairing construction process, the scheme of firstly heating the road surface and refilling the repairing material is adopted, so that the bonding strength between the repairing material and the original road surface can be improved, and the repairing effect is improved. The utility model discloses not only can be used for the road surface marking line to clear away, can also be used for the repair of asphalt concrete road surface defect, for example the cleaing away and the repair of defects such as swell, indentation and crack.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic front view of another preferred structure of the present invention.
Fig. 3 is a schematic structural view of the middle planing and milling device of the present invention.
Fig. 4 is a schematic top view of the middle milling device of the present invention.
Fig. 5 is a schematic top view of another preferred structure of the middle milling device of the present invention.
Fig. 6 is a schematic structural view of a preferred planing and milling device according to the present invention.
Fig. 7 is a schematic top view of another preferred structure of the middle milling device of the present invention.
Fig. 8 is a schematic top view of the repairing device of the present invention.
Fig. 9 is a schematic structural view of the refrigerant nozzle of the present invention.
Fig. 10 is a schematic view of the construction process of the present invention.
Fig. 11 is a schematic view of another preferred structure of the planing and milling device of the present invention.
In the figure: the device comprises a walking vehicle body 1, a residue collecting and separating device 2, a power device 3, a generator 4, a refrigerant storage tank 5, a fan 6, a milling device 7, a lifting seat 70, a milling driving motor 71, a swing frame 72, a transmission mechanism 73, a milling roller 74, a second swing frame 75, a first saw blade roller 76, a second saw blade roller 77, a connecting frame 78, a second transmission mechanism 79, a swing frame lifting device 8, a rotating seat 81, a lifting motor 82, a screw 83, a rotating threaded sleeve 84, a first connecting rod 85, a second connecting rod 86, a refrigerant nozzle 9, a through inlet 91, a lateral inlet 92, a nozzle 93, a repair material supply box 10, a pavement heating device 11, a heating nozzle 111, a control handle 12, a repair material nozzle 13, a pavement marker 14, a closed vertical curtain 15 and a pressure reducing valve 16.
Detailed Description
Example 1:
as shown in fig. 1 to 9, a pavement marking line removing and repairing device includes a traveling vehicle body 1, in this example, the traveling vehicle body 1 is a traveling device driven by a motor, a power device 3 is provided on the traveling vehicle body 1, the power device 3 preferably employs a diesel engine, the power device 3 is connected with a generator 4 through a transmission mechanism, and the generator 4 is connected with a storage battery. The electric energy of the storage battery is used for driving the walking device to walk. Or to drive other mechanisms such as fans and planing and milling equipment.
A lifting planing and milling device 7 is arranged on the walking vehicle body 1;
a cooling medium nozzle 9 is arranged in front of the planing and milling device 7, the cooling medium nozzle 9 is connected with the cooling medium storage tank 5, and the cooling medium nozzle 9 is used for ejecting cooling medium to cool the road surface of the road surface mark 14 to be processed. After the pavement marker 14 is cooled through the refrigerant nozzle 9, the pavement marker 14 is converted into a brittle material through a viscous elastic material, the cutting performance is greatly improved, a cutter cannot be stuck, the non-stop working time of the cutter is greatly prolonged, the working efficiency is improved, the cutting thickness can be accurately controlled through the liftable scheme, materials required by the subsequent repairing process are reduced, and the workload is reduced. The refrigerant storage tank 5 adopts a liquid nitrogen or liquid carbon dioxide storage tank.
In a preferred scheme, as shown in fig. 1, a fan 6 is further arranged on the walking vehicle body 1; in this case, a centrifugal fan is preferably used.
As shown in fig. 9, the refrigerant nozzle 9 is a three-way nozzle, the through inlet 91 is communicated with the air outlet of the blower 6, the lateral inlet 92 is communicated with the outlet of the refrigerant storage tank 5, and the outlet of the refrigerant storage tank 5 is provided with a pressure reducing valve 16; in the refrigerant nozzle 9, natural wind and liquid nitrogen or liquid carbon dioxide of the refrigerant storage tank 5 are fully mixed, and in the injection process, heat is absorbed, so that the local temperature of the road surface at the position of the road surface mark 14 is reduced.
The nozzle 93 of the cooling medium nozzle 9 faces the pavement marker 14, and the nozzle 93 is a pipeline with gradually reduced through-flow section. With this structure, an air flow of about 0 to-10 ℃ is ejected from the nozzle 93 to cool the road surface.
In a preferred embodiment, as shown in fig. 3 and 5, the milling device 7 has the following structure: one end of the swing frame 72 is pivoted with the walking vehicle body 1, and the other end of the swing frame 72 is provided with a planing and milling roller 74;
the milling driving motor 71 is fixedly arranged on the swing frame 72, and the milling driving motor 71 is connected with the milling roller 74 through a transmission mechanism 73 so as to drive the milling roller 74 to rotate; the planing and milling driving motor 71 is preferably a variable frequency motor, and the transmission mechanism 73 is one of a belt transmission mechanism, a chain transmission mechanism or a gear transmission mechanism. The planning and milling driving motor 71 adopts two schemes, one is used for installing the planning and milling driving motor 71 on the same shaft of the swing frame 72 connected with the walking vehicle body 1, as shown in fig. 4, the planning and milling driving motor 71 at the position is preferably a punching motor, so as to save the installation space. Alternatively, the milling drive motor 71 can be mounted directly on the carriage 72. With the above arrangement, the length of the transmission mechanism 73 does not need to be adjusted during the lifting and lowering of the milling roller 74.
A swing frame lifting device 8 is also arranged between the swing frame 72 and the walking vehicle body 1. With this structure, the swing frame lifting device 8 adjusts the working height of the milling roller 74, and the milling driving motor 71 drives the milling roller 74 to rotate through the transmission mechanism 73, thereby realizing the operation of milling the pavement marker 14. The thickness of the pavement marker 14 is usually 1cm or less, and usually 3 to 8 mm. It is therefore desirable to control the elevation of the milling roller 74 with a high degree of precision so as not to damage the road surface.
In a preferred embodiment, as shown in fig. 6 and 7, the milling device 7 has a structure that: one end of the swing frame 72 is pivoted with the walking vehicle body 1, and the other end of the swing frame 72 is provided with a first saw blade roller 76;
one end of the second swing frame 75 is pivoted with the walking vehicle body 1, and the other end of the second swing frame 75 is provided with a second saw blade roller 77;
the swing frame 72 is connected with the second swing frame 75 through a connecting frame 78, and the walking vehicle body 1, the swing frame 72, the connecting frame 78 and the second swing frame 75 form a quadrilateral mechanism;
a planning and milling driving motor 71 is also arranged on the swing frame 72 or the second swing frame 75, the planning and milling driving motor 71 is connected with a first saw blade roller 76 or a second saw blade roller 77 through a transmission mechanism 73,
the first blade roller 76 is connected with the second blade roller 77 through a second transmission mechanism 79;
to drive the first blade roller 76 and the second blade roller 77 to rotate; in this embodiment, the first saw blade roller 76 and the second saw blade roller 77 are adopted to replace the previous planing and milling roller 74, and this structure can further improve the processing efficiency, and because the saw blades are mass-produced products, compared with the customized products of the planing and milling roller, the cost can be further reduced.
A swing frame lifting device 8 is further provided between the swing frame 72 or the second swing frame 75 and the traveling vehicle body 1.
In a preferred embodiment, as shown in fig. 7, the first blade roller 76 and the second blade roller 77 are composed of a plurality of blades mounted on a shaft, a spacer is disposed between the blades, and the blades on the first blade roller 76 and the second blade roller 77 are arranged in a staggered manner, i.e., the blades on the second blade roller 77 are aligned with the gaps between the blades of the first blade roller 76. With this structure, each saw blade cuts only a small range, so that the machining efficiency is improved.
The preferable scheme is as shown in figures 3-6, the structure of the swing frame lifting device 8 is as follows: a second connecting rod 86 is arranged on the walking vehicle body 1, a first connecting rod 85 is arranged on the swing frame 72, and the rotating seat 81 is sleeved with the second connecting rod 86 and can rotate relatively;
the rotating seat 81 is fixedly connected with the lifting motor 82, the output shaft of the lifting motor 82 is fixedly connected with the screw 83, and the rotating threaded sleeve 84 is sleeved with the first connecting rod 85 and can rotate relatively;
the screw 83 is threadedly connected to a threaded sleeve 84. With the structure, the machining heights of the milling roller 74 or the first saw blade roller 76 and the second saw blade roller 77 can be conveniently controlled by controlling the rotating angle of the lifting motor 82, and the swing frame lifting device 8 can realize self-locking to maintain the current work or the storage height.
In another alternative, as shown in fig. 11, a vertical lifting scheme may also be adopted, a planing and milling device 7 or a first saw blade roller 76 and a second saw blade roller 77 are arranged on the lifting seat 70, the lifting seat 70 is connected with the walking vehicle body 1 through a slide rail, the lifting device is connected with the lifting seat 70, and the lifting device at this position also adopts a screw and nut mechanism driven by a motor to realize lifting.
In a preferred scheme, as shown in fig. 1 and 2, a closed draped curtain 15 is further arranged around the planing and milling device 7, and the area enclosed by the closed draped curtain 15 is connected with the residue collecting and separating device 2 through a pipeline; the closing curtain 15 preferably consists of a plurality of rubber sheets, the individual rubber sheet holders overlapping one another to form a substantially closed cavity around the milling device 7. With this configuration, the efficiency of collecting the cutting residue is improved, and the surface to be processed can be kept clean.
The residue collecting and separating device 2 is internally provided with a negative pressure suction device and a gas-solid separating device so as to suck the planing and milling residue and separate the planing and milling residue from air. In the embodiment, a negative pressure fan is preferably adopted to be connected with the cyclone dust collector, a pipeline communicated with a cavity formed by the closed vertical curtain 15 is connected with a side tangential inlet of the cyclone dust collector, a top outlet of the cyclone dust collector is connected with an air inlet of the negative pressure fan, and a collecting box is arranged at the bottom of the cyclone dust collector. In another alternative scheme, a combination of a negative pressure fan and a bag-type dust collector can be used as the residue collecting and separating device 2.
Preferably, as shown in fig. 2, a road surface heating device 11 is further provided, the road surface heating device 11 is located behind the milling device 7, as shown in fig. 2, on the right side of fig. 2, i.e. the road surface is first milled and then heated for heating the milled road surface, and in the road surface heating device 11, the fuel storage tank is connected with the heating nozzle 111 through a pipeline. The fuel storage tank is preferably heated by jet heating using liquefied petroleum gas or butane gas. The heating nozzle 111 is commercially available and has an auto-ignition and auxiliary air intake function.
In the preferred scheme, a pavement repairing device is further arranged, the repairing material supply box 10 is connected with a repairing material nozzle 13 through a pipeline, a heating device is arranged in the repairing material supply box 10, and an insulating layer is arranged on the outer wall of the repairing material supply box 10;
the patching material comprises asphalt concrete or hot-melt marking paint which has the same color with the ground. For repairing the defects of the road surface, asphalt concrete repairing materials are adopted and then rolled. For the removal of only the pavement marker 14, a hot melt marking paint of the same color as the ground may be used.
Example 2:
a construction method adopting the pavement marking line removing and repairing device comprises the following steps:
s1, positioning the walking vehicle body 1 and the pavement marker 14 to enable the planing and milling device 7 to be aligned with the pavement marker 14;
s2, starting the traveling vehicle body 1 to travel, starting the refrigerant nozzle 9 to blow and cool the pavement marker 14, and locally cooling the pavement marker 14 to be below 4 ℃;
s3, the swing frame lifting device 8 controls the milling device 7 to descend to be in contact with the pavement marker 14, the milling device 7 removes the pavement marker 14 through the pavement marker 14, and the swing frame lifting device 8 controls the removing height of the milling device 7 and usually only removes the pavement marker 14;
collect separator 2 through the residue and collect the residue clean up of processing, owing to have the airtight curtain 15 structure that hangs down of jetting cooling operation cooperation, the residue is adsorbed in separator 2 is collected to the residue very easily.
S4, carrying out same-color repairing on the road surface after being removed;
and starting the heating nozzle 111, blowing and heating the cleaned road surface to melt the asphalt on the road surface base, and then spraying the repairing material at the repairing position by the repairing material nozzle 13 to finish the repairing operation.
The pavement marking line removing and repairing construction is realized through the steps.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be regarded as limitations of the present invention, and on the premise of non-conflict, various technical features described in the present invention can be combined with each other. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (8)
1. The utility model provides a road surface marking line clears away patching device, includes walking automobile body (1), characterized by: a lifting planing and milling device (7) is arranged on the walking vehicle body (1);
a cooling medium nozzle (9) is arranged in front of the planing and milling device (7), the cooling medium nozzle (9) is connected with the cooling medium storage tank (5), and the cooling medium nozzle (9) is used for ejecting cooling medium to cool the pavement of the pavement mark (14) to be processed.
2. The pavement marking line removing and repairing apparatus according to claim 1, wherein: a fan (6) is also arranged on the walking vehicle body (1);
the refrigerant nozzle (9) is a three-way nozzle, a straight-through inlet (91) is communicated with an air outlet of the fan (6), a lateral inlet (92) is communicated with an outlet of the refrigerant storage tank (5), and a pressure reducing valve (16) is arranged at the outlet of the refrigerant storage tank (5);
the nozzle (93) of the cooling medium nozzle (9) faces the road surface sign (14), and the nozzle (93) is a pipeline with gradually reduced through-flow section.
3. The pavement marking line removing and repairing apparatus according to claim 1, wherein: the planing and milling device (7) is structurally characterized in that: one end of the swing frame (72) is pivoted with the walking vehicle body (1), and the other end of the swing frame (72) is provided with a milling roller (74);
the milling driving motor (71) is fixedly arranged on the swing frame (72), and the milling driving motor (71) is connected with the milling roller (74) through a transmission mechanism (73) so as to drive the milling roller (74) to rotate;
a swing frame lifting device (8) is also arranged between the swing frame (72) and the walking vehicle body (1).
4. The pavement marking line removing and repairing apparatus according to claim 1, wherein: the planing and milling device (7) is structurally characterized in that: one end of the swing frame (72) is pivoted with the walking vehicle body (1), and the other end of the swing frame (72) is provided with a first saw blade roller (76);
one end of the second swing frame (75) is pivoted with the walking vehicle body (1), and the other end of the second swing frame (75) is provided with a second saw blade roller (77);
the swing frame (72) is connected with the second swing frame (75) through a connecting frame (78), and the walking vehicle body (1), the swing frame (72), the connecting frame (78) and the second swing frame (75) form a quadrilateral mechanism;
a planning and milling driving motor (71) is also arranged on the swing frame (72) or the second swing frame (75), the planning and milling driving motor (71) is connected with the first saw blade roller (76) or the second saw blade roller (77) through a transmission mechanism (73),
the first saw blade roller (76) is connected with the second saw blade roller (77) through a second transmission mechanism (79);
to drive the first blade roller (76) and the second blade roller (77) to rotate;
a swing frame lifting device (8) is also arranged between the swing frame (72) or the second swing frame (75) and the walking vehicle body (1).
5. The pavement marking line removing and repairing apparatus according to claim 4, wherein: the first saw blade roller (76) and the second saw blade roller (77) are formed by installing a plurality of saw blades on a shaft, gaskets are arranged between the saw blades, the saw blades on the first saw blade roller (76) and the second saw blade roller (77) are arranged in a staggered mode, namely, gaps between the saw blades on the second saw blade roller (77) and the saw blades of the first saw blade roller (76) are aligned.
6. The pavement marking line removing and repairing apparatus according to any one of claims 3 to 5, wherein: the structure of the swing frame lifting device (8) is as follows: a second connecting rod (86) is arranged on the walking vehicle body (1), a first connecting rod (85) is arranged on the swing frame (72), and the rotating seat (81) is sleeved with the second connecting rod (86) and can rotate relatively;
the rotating seat (81) is fixedly connected with the lifting motor (82), the output shaft of the lifting motor (82) is fixedly connected with the screw rod (83), and the rotating threaded sleeve (84) is sleeved with the first connecting rod (85) and can rotate relatively;
the screw rod (83) is in threaded connection with the threaded sleeve (84).
7. The pavement marking line removing and repairing apparatus according to claim 1, wherein: a closed vertical curtain (15) is arranged around the planing and milling device (7), and the area enclosed by the closed vertical curtain (15) is connected with the residue collecting and separating device (2) through a pipeline;
a negative pressure suction device and a gas-solid separation device are arranged in the residue collection and separation device (2) to suck the planing and milling residues and separate the planing and milling residues from air.
8. The pavement marking line removing and repairing apparatus according to claim 1, wherein: the road surface heating device (11) is arranged behind the planning and milling device (7) and used for heating the planned and milled road surface, and in the road surface heating device (11), the fuel storage tank is connected with the heating nozzle (111) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483160.7U CN211547238U (en) | 2019-12-31 | 2019-12-31 | Road surface marking line removing and repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483160.7U CN211547238U (en) | 2019-12-31 | 2019-12-31 | Road surface marking line removing and repairing device |
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| CN211547238U true CN211547238U (en) | 2020-09-22 |
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| CN201922483160.7U Active CN211547238U (en) | 2019-12-31 | 2019-12-31 | Road surface marking line removing and repairing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041955A (en) * | 2019-12-31 | 2020-04-21 | 湖北益通建设股份有限公司 | Pavement marking line removing and repairing vehicle and construction method |
| CN113373778A (en) * | 2021-06-07 | 2021-09-10 | 张文分 | Road surface grain cutting device |
| CN114411475A (en) * | 2022-01-11 | 2022-04-29 | 中国路桥工程有限责任公司 | Quick repairing method for asphalt pavement |
-
2019
- 2019-12-31 CN CN201922483160.7U patent/CN211547238U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041955A (en) * | 2019-12-31 | 2020-04-21 | 湖北益通建设股份有限公司 | Pavement marking line removing and repairing vehicle and construction method |
| CN113373778A (en) * | 2021-06-07 | 2021-09-10 | 张文分 | Road surface grain cutting device |
| CN114411475A (en) * | 2022-01-11 | 2022-04-29 | 中国路桥工程有限责任公司 | Quick repairing method for asphalt pavement |
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