CN110295534B - Road surface scarifier - Google Patents
Road surface scarifier Download PDFInfo
- Publication number
- CN110295534B CN110295534B CN201910652613.6A CN201910652613A CN110295534B CN 110295534 B CN110295534 B CN 110295534B CN 201910652613 A CN201910652613 A CN 201910652613A CN 110295534 B CN110295534 B CN 110295534B
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- CN
- China
- Prior art keywords
- milling
- milling drum
- frame
- road surface
- spraying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000003801 milling Methods 0.000 claims abstract description 136
- 238000005507 spraying Methods 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 239000010426 asphalt Substances 0.000 claims abstract description 18
- 239000012492 regenerant Substances 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000007704 transition Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- 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
- E01C23/065—Recycling in place or on the road, i.e. hot or cold reprocessing of paving in situ or on the traffic surface, with or without adding virgin material or lifting of salvaged material; Repairs or resurfacing involving at least partial reprocessing of the existing paving
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Repair (AREA)
Abstract
A road surface scarifier belongs to the field of highway engineering machinery. Solves the problems of poor heat preservation, uneven milling and spraying and difficult transition of the existing equipment. A heat-insulating board for preventing heat loss of road surface is installed under the front end of machine frame. A hot air heating system capable of heating the pavement is arranged in the middle of the frame. Two milling drums for milling the heated road surface are arranged between the hot air heating system and the rear axle of the traveling system below the frame. An intermediate milling drum for milling the heated road surface is arranged below the rear end of the frame. Asphalt and regenerant spraying devices are arranged between the middle milling drum and the two side milling drums; the cab is rotatable through 360 °. The pavement quality after the construction has the advantages of good heat preservation performance, high heating efficiency, capability of completing pulling or traction transportation by self lifting, capability of mixing and adding various additives, uniform spraying of milling and planing materials and effective improvement of pavement quality after construction. The pavement scarification device is suitable for pavement scarification operation for maintenance of various highway pavements.
Description
Technical Field
The invention belongs to the field of highway engineering machinery, and mainly relates to a pavement scarifier capable of milling a maintenance pavement and recycling milling materials.
Background
The existing scarifier is limited by the overall dimension of the whole machine, and can only be transported in a pulling mode during transportation, and the transportation mode needs to be matched with a crane, and the scarifier is lifted to a certain height to be connected with a trailer, so that two rows of lanes are occupied, and traffic jam and traffic accidents are easily caused. The operation of the scarifier is limited by the width of the road surface, so that the flexibility of the construction operation is poor. The hot air heating system of the scarifier is arranged at the middle position of the whole vehicle, so that a certain distance is formed between the hot air heating system and the road surface heated by the heater, the distance can increase the heat dissipation of the road surface heated by the heater, and the construction efficiency is reduced. The regenerant spraying mechanism of the existing scarifier is a transverse pipe for spraying, so that uneven spraying is easily caused due to the reasons of inclination of a vehicle or manufacturing errors and the like. In addition, the asphalt pipe is directly sprayed to the ground, new asphalt can only be sprayed locally, and the new asphalt and the old materials are unevenly mixed, so that the difficulty for stirring at the back is increased.
Disclosure of Invention
The invention aims to provide a pavement scarifier, which is a novel multifunctional scarifier, has the advantages of good heat preservation performance, high heating efficiency and flexible construction operation, and can automatically lift to finish self-loading transportation or traction transportation.
The invention is realized by the following technical scheme, comprising a frame, a power system, a traveling system, a hot air heating system, a milling drum, a cab and lifting support legs; the power system is arranged above the front end of the frame, the cab is arranged above the rear end of the frame, and the front axle and the rear axle of the traveling system are arranged below the frame; the method is characterized in that: a heat-insulating board for preventing the heat loss of the pavement is arranged below the front end of the frame; a hot air heating system capable of heating the road surface is arranged in the middle of the frame; two milling drums for milling the heated pavement are arranged between the hot air heating system and the rear axle of the traveling system below the frame; a middle milling drum for milling the heated road surface is arranged below the rear end of the frame; asphalt and regenerant spraying devices are arranged between the middle milling drum and the two side milling drums; the cab is a rotary cab which can rotate 360 degrees and is convenient to watch construction conditions at any time.
The heat-insulating board is a hollow heat-insulating board made of double-layer materials, is detachably connected with the frame, and is covered with heat-insulating cloth.
The hot air heating system is a hot air circulation type heating system, is connected with the rack through a guide post and is driven to lift by a lifting oil cylinder; an air outlet of the circulating fan is connected with the hot blast stove, an air inlet is communicated with the heater through an air suction pipe, the lower surface of the hot blast stove is communicated with the heater, and the burner is arranged at one end of the hot blast stove; the operation width of the heater can be adjusted according to the width of the road surface to be heated.
The milling drum at two sides is arranged on the frame through a milling drum bracket A and a milling drum lifting cylinder A for controlling the lifting of the milling drum at two sides; the two milling drum frames A are respectively connected with the milling drum bracket A through a sliding seat rod and a sliding seat and can stretch and retract to two sides along the sliding seat; the two milling drum shafts A are arranged on the two milling drum frames A and are respectively connected with the hydraulic motor A through a chain wheel transmission device A; the milling drum shafts A are provided with milling cutter heads A which are arranged in a spiral mode, and the spiral directions of the milling cutter heads A on the two milling drum shafts A are opposite.
The middle milling drum is arranged on the frame through a milling drum bracket B and a milling drum lifting cylinder B for controlling the lifting of the middle milling drum; the milling drum frame B is connected with the milling drum bracket B, and the milling drum shaft B is arranged on the milling drum frame B and is connected with the hydraulic motor B through the chain wheel transmission device B; the milling drum shaft B is provided with milling cutter heads B which are arranged in a spiral way, and the spiral directions of the milling cutter heads B at the two ends of the milling drum shaft B are opposite.
The spraying device is a throwing disc type spraying device, the spraying hydraulic motor is arranged on the spraying seat, the throwing disc is positioned below the spraying seat, and the throwing disc is connected with the rotating shaft of the spraying hydraulic motor; the regenerant input pipe and the asphalt input pipe are connected with the spraying seat.
The lifting support legs are hydraulic support legs which are arranged on two sides of the frame and realize the extension and lifting of the support legs through hydraulic driving; a traction device for realizing traction and transportation of the trailer is arranged at the lower part of the front end of the frame; the front axle and the rear axle of the traveling system are respectively provided with a hydraulic steering device.
Locking devices are respectively arranged among the hot air heating system, the milling drums at two sides and the middle milling drum and the frame.
When the road surface scarifier walks, the heat preservation and insulation board positioned in front can effectively preserve heat of the heated road surface, reduces cold and hot air exchange, prevents heat loss of the road surface, and improves overall construction efficiency. Meanwhile, the hot air heating system on the milling machine heats the pavement to enable the pavement to reach the standard working temperature of the milling machine; the heating system is a hot air circulation heating system, and hot air from the hot air furnace enters the hot air furnace through a circulating fan after the road surface is heated by the heater. The width of the operation is adjusted by the milling drums at the two sides, and the pavement is milled; milling cutter heads with opposite rotation directions on the milling drum shafts at two sides mill the road surface and draw the milled materials towards the middle to form a material ridge. The spraying device inputs the adjusted proportion of asphalt and regenerant into the spraying seat according to the material requirement of milling, and starts the hydraulic motor to uniformly spray the asphalt and the regenerant flowing onto the throwing disc onto the material ridge. The middle milling drum works at the back, and the materials which are milled by the two side milling drums and are sprayed with asphalt and regenerant are uniformly mixed with the milled materials to serve as raw materials for paving the pavement when the middle pavement is milled. The hot air heating system, the milling drums at the two sides and the middle milling drum can be driven to lift to a proper height by respective hydraulic motors for operation; after the operation is completed, the hydraulic motor is used for lifting the hydraulic motor; when the scarifier does not work or transfers, the scarifier is locked with the frame through the locking devices. The front axle and the rear axle provided with the hydraulic steering device can lead the movement operation of the scarifier to be flexible and the travel to be convenient. When the transfer is needed, the turning machine is lifted up through the telescopic lifting support legs, or the traction device of the turning machine is in butt joint with the trailer, or the whole machine is placed on the plate trailer, so that the transfer can be performed.
The multifunctional scarifier has the beneficial effects that the scarifier is novel and compact in structure, small in appearance and convenient to transfer. The pavement heating and milling efficiency is high and the quality is good. The front axle and the rear axle of the traveling system are provided with steering functions controlled by hydraulic cylinders, so that the position of the vehicle can be quickly adjusted in the construction process, the turning radius can be reduced in the transition transportation turning process, and the passing efficiency of the vehicle is improved. The spraying device effectively solves the problem of uneven spraying of asphalt and regenerant, the device can not only independently spray asphalt or regenerant, but also can spray asphalt and regenerant in a mixed manner, and the spraying speed can be adjusted according to the construction running speed. The pavement quality after the construction has the advantages of good heat preservation performance, high heating efficiency, capability of completing pulling or traction transportation by self lifting, capability of mixing and adding various additives, uniform spraying of milling and planing materials and effective improvement of pavement quality after construction. The pavement scarification device is suitable for pavement scarification operation for maintenance of various highway pavements.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of a hot air heating system;
FIG. 3 is a schematic view of the structure of a two-sided milling drum;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic view of the structure of an intermediate milling drum;
FIG. 6 is a left side view of FIG. 5;
fig. 7 is a schematic view of the structure of the spraying device.
In the figure, a heat insulation board 1, a traction device 2, a lifting support leg 3, a traveling system front axle 4, a hot air heating system 5, two side milling drums 6, a traveling system rear axle 7, a spraying device 8, a middle milling drum 9, a cab 10, a fuel tank 11, an asphalt tank 12, a regenerant tank 13, a hydraulic oil tank 14, a power system 15 and a frame 16 are shown as a drawing; 5-1 is a hot blast stove, 5-2 is a circulating fan, 5-3 is an air suction pipe, 5-4 is a guide pillar, 5-5 is a lifting cylinder, 5-6 is a heater, and 5-7 is a burner; 6-1 is a milling drum bracket A, 6-2 is a milling drum lifting oil cylinder A, 6-3 is a hydraulic motor A, 6-4 is a chain wheel transmission device A, 6-5 is a milling cutter head A, 6-6 is a sliding seat rod, 6-7 is a milling drum shaft A, 6-8 is a milling drum frame A, and 6-9 is a milling drum sliding seat; 9-1 is a milling drum bracket B, 9-2 is a milling drum lifting oil cylinder B, 9-3 is a hydraulic motor B, 9-4 is a milling drum frame B, 9-5 is a sprocket transmission device B, 9-6 is a milling drum shaft B, and 9-7 is a milling cutter head B;8-1 is a spraying hydraulic motor, 8-2 is a spraying seat, 8-3 is a regenerant input pipe, 8-4 is an asphalt input pipe, and 8-5 is a throwing disc.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings:
Comprises a frame 16, a power system 15, a traveling system, a hot air heating system 5, a milling drum, a cab 10 and a lifting supporting leg 3; the power system 15 is arranged above the front end of the frame 16, the cab 10 is arranged above the rear end of the frame 16, and the front axle 4 and the rear axle 7 of the travelling system are arranged below the frame 16. A heat preservation and insulation board 1 for preventing the heat loss of the road surface is arranged below the front end of the frame 16; a hot air heating system 5 capable of heating the road surface is arranged in the middle of the frame 16; two milling drums 6 for milling the heated pavement are arranged between the hot air heating system 5 and the traveling system rear axle 7 below the frame 16; below the rear end of the frame 16, an intermediate milling drum 9 is mounted for milling the heated road surface; an asphalt and regenerant spraying device 8 is arranged between the middle milling drum 9 and the two side milling drums 6; the cab 10 is a rotary cab which can rotate 360 degrees and is convenient for watching construction conditions at any time. The heat-insulating board 1 is a detachable hollow heat-insulating board made of double-layer materials, and heat-insulating cloth is covered on the heat-insulating board.
The hot air heating system 5 is a hot air circulation type heating system, and is connected with the rack 16 through a guide post 5-4, and is driven to lift by a lifting oil cylinder 5-5; an air outlet of the circulating fan 5-2 is connected with the hot blast stove 5-1, an air inlet is communicated with the heater 5-6 through an air suction pipe 5-3, the lower surface of the hot blast stove 5-1 is communicated with the heater 5-6, and a burner 5-7 is arranged at one end of the hot blast stove 5-1; the operation width of the heater 5-6 can be adjusted according to the width of the road surface to be heated.
The milling drum 6 at the two sides is arranged on the frame 16 through a milling drum bracket A6-1 and a milling drum lifting cylinder A6-2 for controlling the lifting of the milling drum 6 at the two sides; the two milling drum frames A6-8 are respectively connected with the milling drum bracket A6-1 through a slide seat rod 6-6 and a slide seat 6-9 and can stretch and retract to two sides along the slide seat 6-9; the two milling drum shafts A6-7 are arranged on the two milling drum frames A6-8 and are respectively connected with the hydraulic motor A6-3 through a sprocket transmission device A6-4; the milling drum shafts A6-7 are provided with milling cutter heads A6-5 which are arranged in a spiral mode, and the spiral directions of the milling cutter heads A6-5 on the two milling drum shafts A6-7 are opposite in the spiral mode.
The middle milling drum 9 is arranged on the frame 16 through a milling drum bracket B9-1 and a milling drum lifting cylinder B9-2 for controlling the lifting of the middle milling drum 9; the milling drum frame B9-4 is connected with the milling drum bracket B9-1, and the milling drum shaft B9-6 is arranged on the milling drum frame B9-4 and is connected with the hydraulic motor B9-3 through the chain wheel transmission device B9-5; the milling drum shaft B9-6 is provided with milling cutter heads B9-7 which are arranged in a spiral mode, and the spiral directions of the milling cutter heads B9-7 at the two ends of the milling drum shaft B9-6 are opposite.
The spraying device 8 is a throwing disc type spraying device, the spraying hydraulic motor 8-1 is arranged on the spraying seat 8-2, the throwing disc 8-5 is positioned below the spraying seat 8-2 and is connected with the rotating shaft of the spraying hydraulic motor 8-1; the regenerant input pipe 8-3 and the asphalt input pipe 8-4 are connected with the spray socket 8-2.
The lifting support legs 3 are hydraulic support legs which are arranged on two sides of the frame 16 and realize the extension and lifting of the support legs through hydraulic driving; a traction device 2 for realizing traction and transportation of the trailer is arranged at the lower part of the front end of the frame 16; the front axle 4 and the rear axle 7 of the running system are provided with hydraulic steering devices. Locking devices are respectively arranged among the hot air heating system 5, the milling drums 6 at the two sides, the middle milling drum 9 and the frame 16.
Claims (3)
1. The road surface scarifier comprises a frame (16), a power system (15), a traveling system, a hot air heating system (5), a milling drum, a cab (10) and lifting support legs (3); the power system (15) is arranged on the front end of the frame (16), the cab (10) is arranged on the rear end of the frame (16), and the front axle (4) and the rear axle (7) of the running system are arranged below the frame (16); the method is characterized in that: a heat-insulating board (1) for preventing the heat loss of the pavement is arranged below the front end of the frame (16); a hot air heating system (5) capable of heating the road surface is arranged in the middle of the frame (16); two milling drums (6) on two sides for milling a heated road surface are arranged between the hot air heating system (5) and the rear axle (7) of the traveling system below the frame (16); an intermediate milling drum (9) for milling the heated road surface is arranged below the rear end of the frame (16); asphalt and regenerant spraying devices (8) are arranged between the middle milling drum (9) and the two side milling drums (6); the cab (10) is a rotary cab which can rotate 360 degrees and is convenient for watching construction conditions at any time;
The heat-insulating board (1) is a hollow heat-insulating board made of double-layer materials, is detachably connected with the frame (16), and is covered with heat-insulating cloth;
The hot air heating system (5) is a hot air circulation type heating system, is connected with the rack (16) through the guide post (5-4), and is driven to lift by the lifting oil cylinder (5-5); an air outlet of the circulating fan (5-2) is connected with the hot blast stove (5-1), an air inlet is communicated with the heater (5-6) through an air suction pipe (5-3), the lower surface of the hot blast stove (5-1) is communicated with the heater (5-6), and a burner (5-7) is arranged at one end of the hot blast stove (5-1); the operation width of the heater (5-6) can be adjusted according to the width of the road surface to be heated;
The milling drum (6) at two sides is arranged on a frame (16) through a milling drum bracket A (6-1) and a milling drum lifting cylinder A (6-2) for controlling the lifting of the milling drum (6) at two sides; the two milling drum frames A (6-8) are respectively connected with the milling drum bracket A (6-1) through a sliding seat rod (6-6) and a sliding seat (6-9) and can stretch and retract to two sides along the sliding seat (6-9); the two milling drum shafts A (6-7) are arranged on the two milling drum frames A (6-8) and are respectively connected with the hydraulic motor A (6-3) through a chain wheel transmission device A (6-4); the milling drum shafts A (6-7) are provided with milling cutter heads A (6-5) which are arranged in a spiral way, and the spiral directions of the milling cutter heads A (6-5) on the two milling drum shafts A (6-7) are opposite;
The middle milling drum (9) is arranged on the frame (16) through a milling drum bracket B (9-1) and a milling drum lifting cylinder B (9-2) for controlling the lifting of the middle milling drum (9); the milling drum frame B (9-4) is connected with the milling drum bracket B (9-1), and the milling drum shaft B (9-6) is arranged on the milling drum frame B (9-4) and is connected with the hydraulic motor B (9-3) through the chain wheel transmission device B (9-5); milling cutter heads B (9-7) which are arranged in a spiral manner are arranged on the milling drum shaft B (9-6), and the rotation directions of the milling cutter heads B (9-7) at the two ends of the milling drum shaft B (9-6) are opposite in the spiral manner;
The spraying device (8) is a throwing disc type spraying device, the spraying hydraulic motor (8-1) is arranged on the spraying seat (8-2), the throwing disc (8-5) is positioned below the spraying seat (8-2) and is connected with the rotating shaft of the spraying hydraulic motor (8-1); the regenerant input pipe (8-3) and the asphalt input pipe (8-4) are connected with the spraying seat (8-2).
2. The road surface scarifier according to claim 1, characterized in that: the lifting support legs (3) are hydraulic support legs which are arranged on two sides of the frame (16) and realize the extension and lifting of the support legs through hydraulic driving; a traction device (2) for realizing traction and transportation of the trailer is arranged at the lower part of the front end of the frame (16); the front axle (4) and the rear axle (7) of the traveling system are respectively provided with a hydraulic steering device.
3. The road surface scarifier according to claim 1, characterized in that: locking devices are respectively arranged among the hot air heating system (5), the milling drums (6) at the two sides, the middle milling drum (9) and the frame (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910652613.6A CN110295534B (en) | 2019-07-19 | 2019-07-19 | Road surface scarifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910652613.6A CN110295534B (en) | 2019-07-19 | 2019-07-19 | Road surface scarifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110295534A CN110295534A (en) | 2019-10-01 |
| CN110295534B true CN110295534B (en) | 2024-06-04 |
Family
ID=68031434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910652613.6A Active CN110295534B (en) | 2019-07-19 | 2019-07-19 | Road surface scarifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110295534B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115058949A (en) * | 2022-05-27 | 2022-09-16 | 江苏集萃道路工程技术与装备研究所有限公司 | Hot-blast temperature machine in place |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372360Y (en) * | 1999-06-07 | 2000-04-05 | 陕西秦川畅通公路机械开发有限公司 | Multifunctional maintenance carriage for asphalt paving |
| CN204491380U (en) * | 2015-03-19 | 2015-07-22 | 山东省路桥集团有限公司 | Sheet pavement in-situ heat regeneration all-in-one |
| EP2993268A1 (en) * | 2014-09-08 | 2016-03-09 | Carl Ungewitter Trinidad Lake Asphalt GmbH & Co. KG | Transportable asphalt heating device for heating and keeping warm asphalt granulate |
| CN105442422A (en) * | 2015-12-25 | 2016-03-30 | 鞍山森远路桥股份有限公司 | Heating-milling machine for asphalt pavements |
| CN210458884U (en) * | 2019-07-19 | 2020-05-05 | 鞍山森远路桥股份有限公司 | Road surface scarifier |
-
2019
- 2019-07-19 CN CN201910652613.6A patent/CN110295534B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372360Y (en) * | 1999-06-07 | 2000-04-05 | 陕西秦川畅通公路机械开发有限公司 | Multifunctional maintenance carriage for asphalt paving |
| EP2993268A1 (en) * | 2014-09-08 | 2016-03-09 | Carl Ungewitter Trinidad Lake Asphalt GmbH & Co. KG | Transportable asphalt heating device for heating and keeping warm asphalt granulate |
| CN204491380U (en) * | 2015-03-19 | 2015-07-22 | 山东省路桥集团有限公司 | Sheet pavement in-situ heat regeneration all-in-one |
| CN105442422A (en) * | 2015-12-25 | 2016-03-30 | 鞍山森远路桥股份有限公司 | Heating-milling machine for asphalt pavements |
| CN210458884U (en) * | 2019-07-19 | 2020-05-05 | 鞍山森远路桥股份有限公司 | Road surface scarifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110295534A (en) | 2019-10-01 |
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