CN110983930A - Road surface marking line clearing device - Google Patents
Road surface marking line clearing device Download PDFInfo
- Publication number
- CN110983930A CN110983930A CN201911414914.1A CN201911414914A CN110983930A CN 110983930 A CN110983930 A CN 110983930A CN 201911414914 A CN201911414914 A CN 201911414914A CN 110983930 A CN110983930 A CN 110983930A
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- Prior art keywords
- swing frame
- milling
- roller
- saw blade
- nozzle
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- 238000003801 milling Methods 0.000 claims abstract description 95
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 239000003507 refrigerant Substances 0.000 claims abstract description 27
- 238000010276 construction Methods 0.000 claims abstract description 7
- 239000003550 marker Substances 0.000 claims description 17
- 239000002826 coolant Substances 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 11
- 239000011384 asphalt concrete Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007373 indentation Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 7
- 239000010426 asphalt Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
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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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/085—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using power-driven tools, e.g. vibratory tools
- E01C23/088—Rotary tools, e.g. milling drums
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention provides a pavement marking line clearing device, which comprises a swing frame, a milling roller arranged on the swing frame, a driving device used for driving the milling roller to rotate, and a swing frame lifting device used for adjusting the feeding of the milling roller; one end of the swing frame is pivoted with the walking vehicle body, the other end of the swing frame is provided with a rotatable milling roller, and the axis of the milling roller is parallel to the ground; a planing and milling driving motor is arranged on the walking vehicle body or the swing frame and is connected with the planing and milling roller through a transmission mechanism; a swing frame lifting device is arranged between the walking vehicle body and the swing frame. 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 removing, cutter sticking in the construction process is avoided, and the removing efficiency can be further greatly improved by adopting the structure of the multi-saw-blade roller. The invention can be used for removing the pavement marking line and defects of the asphalt concrete pavement, such as bulges, indentations, cracks and the like.
Description
Technical Field
The invention relates to the field of asphalt concrete pavement construction, in particular to a pavement marking line clearing 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.
Disclosure of Invention
The invention aims to provide a pavement marking line clearing device, which can greatly improve the clearing efficiency of pavement marking lines and avoid the problem of cutter sticking.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a pavement marking line clearing device comprises a swing frame, a milling roller arranged on the swing frame, a driving device used for driving the milling roller to rotate, and a swing frame lifting device used for adjusting the feeding of the milling roller;
one end of the swing frame is pivoted with the walking vehicle body, the other end of the swing frame is provided with a rotatable milling roller, and the axis of the milling roller is parallel to the ground;
a planing and milling driving motor is arranged on the walking vehicle body or the swing frame and is connected with the planing and milling roller through a transmission mechanism;
a swing frame lifting device is arranged between the walking vehicle body and the swing frame.
In the preferred scheme, the milling driving motor is fixedly arranged at a position coaxial with the rotating axis of the swing frame, and the milling driving motor is connected with the milling roller through a belt transmission mechanism, a chain transmission mechanism or a gear transmission mechanism.
In the preferred scheme, the swing frame is rotatably connected with the walking vehicle body through a rotating shaft, the planing and milling driving motor is a through motor, and the rotating shaft penetrates through the planing and milling driving motor.
In a preferable scheme, the milling driving motor is fixedly arranged on the swing frame and moves along with the swing frame, and the milling driving motor is connected with the milling roller through a belt transmission mechanism, a chain transmission mechanism or a gear transmission mechanism.
In the preferred scheme, still be equipped with cold wind blowing device, cold wind blowing device's structure is: the coolant nozzle is arranged at the position of at least one end of the coolant nozzle facing the road surface before the planing and milling roller, and the coolant nozzle is communicated with the coolant storage tank through a pressure reducing valve, so that the road surface mark is cooled before planing and milling construction.
In the preferred scheme, 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, the nozzle faces the pavement marker, and the nozzle is a pipeline with a gradually reduced through-flow section;
two refrigerant nozzles are arranged at the two ends of the milling roller.
In the preferred scheme, a second swing frame is further arranged, one end of the second swing frame is pivoted with the walking vehicle body, and a second saw blade roller is arranged at the other end of the second swing frame;
the planing and milling roller is a first 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 planing and milling driving motor is further arranged on the walking vehicle body, 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 the preferred scheme, still be equipped with cold wind blowing device, cold wind blowing device's structure is: the refrigerant nozzle is arranged at the position of at least one end of the front of the first saw blade roller or the second saw blade roller facing the road surface;
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 through a pressure reducing valve, the nozzle faces a road sign, and the nozzle is a pipeline with a gradually reduced through-flow section.
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 or the second 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.
According to the pavement marking line clearing device provided by the invention, the scheme that the pavement marking is embrittled by low-temperature air flow sprayed by the refrigerant nozzle is adopted, so that the pavement marking line is convenient to plane, mill and clear, cutter sticking in the construction process is avoided, and the clearing efficiency can be further greatly improved by adopting a multi-saw-blade roller structure. The invention can be used for removing the pavement marking line and defects of the asphalt concrete pavement, such as bulges, indentations, cracks and the like.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic view of another alternative configuration of the present invention.
Fig. 4 is a schematic top view of another alternative configuration of the present invention.
Fig. 5 is a schematic top view of the present invention.
Fig. 6 is a schematic structural view of a refrigerant nozzle according to the present invention.
FIG. 7 is a schematic view of the construction process 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 direct inlet 91, a lateral inlet 92, a nozzle 93, a closed vertical curtain 10, a pressure reducing valve 11 and a pavement marker 12.
Detailed Description
Example 1:
as shown in fig. 1 to 6, a pavement marking line removing device comprises a swing frame 72, a milling roller 74 mounted on the swing frame 72, a driving device for driving the milling roller 74 to rotate, and a swing frame lifting device 8 for adjusting the feeding of the milling roller 74;
one end of the swing frame 72 is pivoted with the walking vehicle body 1, the other end of the swing frame 72 is provided with a rotatable milling roller 74, and the axis of the milling roller 74 is parallel to the ground;
a planning and milling driving motor 71 is arranged on the walking vehicle body 1 or the swing frame 72, and the planning and milling driving motor 71 is connected with a planning and milling roller 74 through a transmission mechanism;
a swing frame lifting device 8 is arranged between the walking vehicle body 1 and the swing frame 72. 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 12. The thickness of the pavement marker 12 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. 3, the milling driving motor 71 is fixedly installed at a position coaxial with the rotation axis of the swing frame 72, and the milling driving motor 71 is connected to the milling roller 74 through a belt transmission mechanism, a chain transmission mechanism or a gear transmission mechanism.
In a preferred scheme, as shown in fig. 3, the swing frame 72 is rotatably connected with the walking vehicle body 1 through a rotating shaft, the planning and milling driving motor 71 is a through motor, and the rotating shaft penetrates through the planning and milling driving motor 71.
In a preferred embodiment, as shown in fig. 4, the milling drive motor 71 is fixedly mounted on a swing frame 72, and the milling drive motor 71 is connected to the milling roller 74 through a belt transmission mechanism, a chain transmission mechanism or a gear transmission mechanism as the swing frame 72 moves.
The preferable scheme is as in fig. 2 and 6, and the cold air blowing device is further provided with a structure as follows: the coolant nozzle 9 is provided at a position at least one end of which faces the road surface before the milling roller 74, and the coolant nozzle 9 is communicated with the coolant tank 5 through a pressure reducing valve 11 so as to cool the road surface marker 12 before the milling operation. Avoiding sticking during cutting of the milling roller 74, the first blade roller 76 or the second blade roller 77.
In a preferred scheme, as shown in fig. 6, the refrigerant nozzle 9 is a three-way nozzle, the through inlet 91 is communicated with an air outlet of the fan 6, the lateral inlet 92 is communicated with an outlet of the refrigerant storage tank 5, the nozzle 93 faces the pavement marker 12, and the nozzle 93 is a section of pipeline with gradually reduced through-flow section;
two coolant nozzles 9 are provided at both ends of the milling roller 74. In the refrigerant nozzle 9, natural wind and liquid nitrogen or liquid carbon dioxide of the refrigerant storage tank 5 are fully mixed, air flow with the temperature of about 0 to-10 ℃ is sprayed out from the nozzle 93, and heat is absorbed in the spraying process, so that the local temperature of the pavement at the position of the pavement marker 12 is reduced.
In a preferred scheme, as shown in fig. 1 and 5, a second swing frame 75 is further provided, 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 planing and milling roller 74 is a first saw blade roller 76;
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 further arranged on the walking vehicle body 1, the swing frame 72 or the second swing frame 75, and 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;
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. The first saw blade roller 76 and the second saw blade roller 77 are adopted, so that the processing efficiency can be further improved, and the saw blades are produced in batch, so that the cost can be further reduced compared with a customized product of the milling roller.
In the preferred scheme, still be equipped with cold wind blowing device, cold wind blowing device's structure is: the refrigerant nozzle 9 is arranged at a position where at least one end of the refrigerant nozzle faces the road surface before the first saw blade roller 76 or the second saw blade roller 77;
the refrigerant nozzle 9 is a three-way nozzle, the straight-through inlet 91 is communicated with an air outlet of the fan 6, the lateral inlet 92 is communicated with an outlet of the refrigerant storage tank 5 through a pressure reducing valve 11, the nozzle 93 faces the pavement marker 12, and the nozzle 93 is a pipeline with a gradually reduced through-flow section. More preferably, the refrigerant nozzles 9 are provided at both ends of the first blade roller 76 or the second blade roller 77.
In a preferred embodiment, the first blade roller 76 and the second blade roller 77 are formed by installing a plurality of blades on a shaft, a spacer is arranged 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.
In a preferred scheme, 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 or the second swing frame 75, 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. The lift motor 82 in this example is preferably a stepper motor or a servo motor.
In a preferred scheme, as shown in fig. 2, a closed draped curtain 10 is further arranged around the milling device 7, and the area enclosed by the closed draped curtain 10 is connected with the residue collecting and separating device 2 through a pipeline; the closed drapery 10 preferably uses a plurality of rubber sheets, the individual rubber sheet holders overlapping each other to form a substantially closed cavity around the milling unit 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 10 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.
When in use, the walking vehicle body 1 and the pavement marker 12 are positioned, and the planing and milling device 7 is aligned with the pavement marker 12;
starting the traveling vehicle body 1 to travel, starting the refrigerant nozzle 9 to blow and cool the pavement marker 12, and locally cooling the pavement marker 12 to be below 4 ℃; preferably, to below-15 ℃. Making the pavement marker 12 brittle and easy to cut.
The swing frame lifting device 8 controls the milling device 7 to descend to be in contact with the pavement marker 12, the milling device 7 cleans the pavement marker 12, and the swing frame lifting device 8 controls the cleaning height of the milling device 7 and usually only removes the pavement marker 12;
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the technical features described in the present invention can be combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. A pavement marking line clearing device is characterized in that: the device comprises a swing frame (72), a milling roller (74) arranged on the swing frame (72), a driving device used for driving the milling roller (74) to rotate, and a swing frame lifting device (8) used for adjusting the feeding of the milling roller (74);
one end of the swing frame (72) is pivoted with the walking vehicle body (1), the other end of the swing frame (72) is provided with a rotatable milling roller (74), and the axis of the milling roller (74) is parallel to the ground;
a planning and milling driving motor (71) is arranged on the walking vehicle body (1) or the swing frame (72), and the planning and milling driving motor (71) is connected with a planning and milling roller (74) through a transmission mechanism;
a swing frame lifting device (8) is arranged between the walking vehicle body (1) and the swing frame (72).
2. The pavement marking line removing apparatus as claimed in claim 1, wherein: the planing and milling driving motor (71) is fixedly arranged at a position coaxial with the rotating axis of the swing frame (72), and the planing and milling driving motor (71) is connected with the planing and milling roller (74) through a belt transmission mechanism, a chain transmission mechanism or a gear transmission mechanism.
3. The pavement marking line removing apparatus as claimed in claim 2, wherein: the swing frame (72) is rotatably connected with the walking vehicle body (1) through a rotating shaft, the planing and milling driving motor (71) is a through motor, and the rotating shaft penetrates through the planing and milling driving motor (71).
4. The pavement marking line removing apparatus as claimed in claim 1, wherein: the planing and milling driving motor (71) is fixedly arranged on the swing frame (72) and moves along with the swing frame (72), and the planing and milling driving motor (71) is connected with the planing and milling roller (74) through a belt transmission mechanism, a chain transmission mechanism or a gear transmission mechanism.
5. The pavement marking line removing apparatus as claimed in claim 1, wherein: still be equipped with cold wind jetting device, cold wind jetting device's structure is: the refrigerant nozzle (9) is arranged at a position, at least one end of which faces the road surface, in front of the planning and milling roller (74), and the refrigerant nozzle (9) is communicated with the refrigerant storage tank (5) through a pressure reducing valve (11) so as to cool the road surface mark (12) before planning and milling construction.
6. The pavement marking line removing apparatus as claimed in claim 5, wherein: the cooling medium 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 cooling medium storage tank (5), the nozzle (93) faces the pavement marker (12), and the nozzle (93) is a pipeline with a gradually reduced through-flow section;
two refrigerant nozzles (9) are arranged at the two ends of the milling roller (74).
7. The pavement marking line removing apparatus as claimed in claim 1, wherein: a second swing frame (75) is further arranged, one end of the second swing frame (75) is pivoted with the walking vehicle body (1), and a second saw blade roller (77) is arranged at the other end of the second swing frame (75);
the planing and milling roller (74) is a first saw blade roller (76);
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 further arranged on the walking vehicle body (1), the swing frame (72) or the second swing frame (75), and 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).
8. The pavement marking line removing apparatus as claimed in claim 7, wherein: still be equipped with cold wind jetting device, cold wind jetting device's structure is: the refrigerant nozzle (9) is arranged at the position of at least one end of the refrigerant nozzle facing the road surface in front of the first saw blade roller (76) or the second saw blade roller (77);
the cooling medium 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 cooling medium storage tank (5) through a pressure reducing valve (11), the nozzle (93) faces to the road surface sign (12), and the nozzle (93) is a pipeline with a gradually reduced through-flow section.
9. The pavement marking line removing apparatus as claimed in claim 7, 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.
10. The vehicle for removing and repairing a road marking line according to any one of claims 1 to 9, 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) or the second swing frame (75), 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911414914.1A CN110983930A (en) | 2019-12-31 | 2019-12-31 | Road surface marking line clearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911414914.1A CN110983930A (en) | 2019-12-31 | 2019-12-31 | Road surface marking line clearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110983930A true CN110983930A (en) | 2020-04-10 |
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ID=70079866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911414914.1A Withdrawn CN110983930A (en) | 2019-12-31 | 2019-12-31 | Road surface marking line clearing device |
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| CN (1) | CN110983930A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832820A (en) * | 2021-09-22 | 2021-12-24 | 济南金宇公路产业发展有限公司 | Ground marking line repairing device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113832820A (en) * | 2021-09-22 | 2021-12-24 | 济南金宇公路产业发展有限公司 | Ground marking line repairing device and method |
| CN113832820B (en) * | 2021-09-22 | 2022-10-11 | 山东金宇信息科技集团有限公司 | Ground marking line repairing device and method |
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Application publication date: 20200410 |