CN104947574A - Multifunctional asphalt pavement maintenance vehicle - Google Patents
Multifunctional asphalt pavement maintenance vehicle Download PDFInfo
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- CN104947574A CN104947574A CN201510256822.0A CN201510256822A CN104947574A CN 104947574 A CN104947574 A CN 104947574A CN 201510256822 A CN201510256822 A CN 201510256822A CN 104947574 A CN104947574 A CN 104947574A
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- asphalt
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- flusher
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- heated bitumen
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Abstract
The invention discloses a multifunctional asphalt pavement maintenance vehicle and belongs to the technical field of road maintenance and construction equipment. The multifunctional asphalt pavement maintenance vehicle comprises a vehicle chassis and further comprises an auxiliary power system (2), a direct combustion type fuel oil hot blast heater (3), a rotary stock bin (4), a feeding device (5), an asphalt pavement hot air type heating wall (6), an emulsified asphalt spraying system (7), a dust and smoke removing device (8), a hot asphalt spraying device, an auxiliary tool and a control system (9). All the devices are mounted on the vehicle so that the maintenance vehicle is multifunctional; ground surface heating type or patching type pit slot repairing can be realized; crack pouring repairing of a newly-built pavement, and spraying of emulsified asphalt or hot asphalt on a lower sealing layer, a sticking layer and an upper sealing layer of the partial newly-built pavement can also be considered; and a special maintenance tool is driven by hydraulic and power output so that the construction efficiency is effectively improved.
Description
Technical field
The present invention relates to a kind of pavement maintenance truck, particularly a kind of Multifunctional asphalt pavement maintenance truck, belong to road maintenance construction equipment field.
Background technology
Pavement maintenance truck is of a great variety, form is multifarious, as pull-type combined maintenance truck, with the combined maintenance truck of swing roller, with the combined maintenance truck of incubator, the combined maintenance truck of band insulation hopper and asphalt tank, with the combined maintenance truck of swing roller and asphalt tank, electrical heating combined maintenance truck, with the multifunctional freeway maintenance of infrared heating device, injecting type multifunctional freeway maintenance etc., it is mainly used for the such as hole groove that Reparation of Bituminous Pavement in use produces, crack, gather around bag, gnaw limit, pitted skin, decortication, the various disease such as loose, if above-mentioned disease can not get timely process, constantly clash into under sleet erosion at vehicle, these diseases can expand rapidly, have a strong impact on the normal traveling of vehicle.Asphalt pavement maintanance truck is a kind of engineering machinery being exclusively used in these damage of bituminous pavement parts of repairing in time, as the Multifunctional special tool car of the daily light maintenance maintenance of asphalt highway, current asphalt pavement maintanance truck has become the important supporting Maintenance Machinery of highway maintenance management department.
Existing asphalt pavement maintanance truck, generally can only carry out ground heated type or digging type pit repairing, function ratio is more single, the cementation of fissures can not taking into account face of newly repairing the roads is repaired, can not to local newly the Sub-sealing Course of the mulseal that carries out of the face of repairing the roads or heated bitumen, adhesion coating and upper sealing spray, can not export and drive proprietary maintenance instrument by realizing hydraulic pressure and electric power in addition.
Summary of the invention
For above-mentioned prior art Problems existing, the invention provides a kind of Multifunctional asphalt pavement maintenance truck, ground heated type or digging type pit repairing can be realized, the cementation of fissures can also taking into account face of newly repairing the roads is repaired, and newly the Sub-sealing Course of the mulseal that carries out of the face of repairing the roads or heated bitumen, adhesion coating and upper sealing spray in local, and hydraulic pressure and electric power can export, drive proprietary maintenance instrument, effectively improve efficiency of construction.
To achieve these goals, a kind of Multifunctional asphalt pavement maintenance truck that the present invention adopts, comprise automobile chassis, also comprise the accessory power system be arranged on vehicle, direct-fired warm air oil furnace, merry-go-round type bunker, feeding device, flexible pavement hot blast formula heating pad wall, mulseal sprinkling system, except cloud of dust device, heated bitumen flusher, aid and control system;
Described accessory power system is provided with hydraulic pump and generating set, and described hydraulic pump is connected with control system respectively with generating set;
Described direct-fired warm air oil furnace comprises horn mouth, flap, hot blast body of heater, burner, platinum resistance thermometer sensor, hot blast backwind tube, blast fan and infrared radiation whirlwind screen cloth, air outlet on the body of heater end face of described direct-fired warm air oil furnace and merry-go-round type bunker adopt flap to be tightly connected, described infrared radiation whirlwind screen cloth, horn mouth and platinum resistance thermometer sensor, are arranged on the port of export of direct-fired warm air oil furnace, burner is connected with hot blast body of heater, and hot blast backwind tube is connected on hot blast body of heater by blast fan;
The elevating hopper that described feeding device comprises stock shelf, tool box and is arranged in tool box, feeding device is arranged on rear side of merry-go-round type bunker, described tool box is positioned on rear side of automobile chassis below afterbody vehicle frame, is also provided with the cyclone dust removal cigarette device be connected with feed bin in the side of merry-go-round type bunker;
Described flexible pavement hot blast formula heating pad wall comprises hydraulic jack, upset position-limit mechanism, roll over stand, slippage frame, sliding and position limitation mechanism and heating pad wall unit, described flexible pavement hot blast formula heating pad wall is arranged at the afterbody of automobile chassis, control hot air type heating pad wall by hydraulic jack and realize upset, slippage and lifting action, the quantity of described heating pad wall unit is two, be separately positioned on the left and right sides of flexible pavement hot blast formula heating pad wall, each heating pad wall unit includes warm air oil furnace, temperature measuring equipment, air ducting, homogenizing plate and heating clamber;
Described mulseal sprinkling system comprises emulsified asphalt dispensing device, diesel cleaning device and electric heater unit, and described mulseal sprinkling system is arranged at the box house of afterbody on the left of automobile chassis;
Described heated bitumen flusher comprises heated bitumen spray gun, tube connector, conduction oil temperature pick up, pitch speed probe, asphalt temperature sensor, bitumen level pointer, the low liquid level sensor of pitch, fuel outlet valve, asphalt tank and burner, described heated bitumen spray gun is connected on asphalt tank by tube connector, described pitch speed probe, asphalt temperature sensor is arranged on the upper end of asphalt tank respectively, described conduction oil temperature pick up is arranged on the thermal conductive oil pipeline thermal treatment zone on asphalt tank, described bitumen level pointer is arranged on asphalt tank, the lower left side of pointer and scale is provided with the low liquid level sensor of pitch, described fuel outlet valve is arranged on bottom asphalt tank, described burner is diesel type burner, burner is arranged on one end of asphalt tank, described heated bitumen flusher is arranged at the right side central of automobile chassis,
Described aid comprises road roller, cutting machine, purging machine, plate compactor and Hydraulic pick, road roller is arranged at the forward right side of automobile chassis, be positioned at above vehicle frame, the lifting of road roller is realized by switching mechanism, cutting machine is positioned at the top of mulseal case, realize it by vehicle-mounted euphroe to fix, described plate compactor is fixed in the middle of accessory power system and swing roller, and the tool box that described purging machine and Hydraulic pick are fixed on the right side of automobile chassis above afterbody vehicle frame is inner.
As a further improvement on the present invention, described heated bitumen flusher is also provided with the heater for the conduction oil that burns and the electric heater unit for tube connector.
As a further improvement on the present invention, this heated bitumen flusher can realize integral installation location swap with cementation of fissures device.
As a further improvement on the present invention, in described heated bitumen flusher, the outside of fuel outlet valve is provided with the protective cover for the protection of fuel outlet valve.
As a further improvement on the present invention, the tube connector in described heated bitumen flusher is pitch flexible pipe.
Compared with existing asphalt pavement maintanance truck, the present invention by installing accessory power system on vehicle, direct-fired warm air oil furnace, merry-go-round type bunker, feeding device, flexible pavement hot blast formula heating pad wall, mulseal sprinkling system, except cloud of dust device, heated bitumen flusher, cementation of fissures device, aid and control system make asphalt pavement maintanance truck have several functions, ground heated type or digging type pit repairing can be realized, the cementation of fissures can also taking into account face of newly repairing the roads is repaired, and the Sub-sealing Course of the local newly mulseal that carries out of the face of repairing the roads or heated bitumen, adhesion coating and upper sealing spray, and can hydraulic pressure and electric power export, drive proprietary maintenance instrument, effectively improve efficiency of construction.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is left view of the present invention;
Fig. 3 is the structural representation of accessory power system in the present invention;
Fig. 4 is the structural representation of intermediate fuel oil hot-blast stove of the present invention;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the structural representation of feeding device in the present invention;
Fig. 7 is the structural representation of hot air type heating pad wall in the present invention;
Fig. 8 is the structural representation of mulseal sprinkling system in the present invention;
Fig. 9 is the structural representation of heated bitumen flusher in the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below by accompanying drawing and embodiment, the present invention is further elaborated.But should be appreciated that, specific embodiment described herein, only in order to explain the present invention, is not limited to scope of the present invention.To "front", "rear", "left", "right" described in invention, using the direction that vehicle advances as " front ", be " left side " with the left side of vehicle forward direction.
As shown in Figure 1 and Figure 2, a kind of Multifunctional asphalt pavement maintenance truck, comprise automobile chassis 1, also comprise the accessory power system 2 be arranged on vehicle, direct-fired warm air oil furnace 3, merry-go-round type bunker 4, feeding device 5, flexible pavement hot blast formula heating pad wall 6, mulseal sprinkling system 7, except cloud of dust device 8, heated bitumen flusher 10, aid 11 and control system 9;
As shown in Figure 3, described accessory power system 2 is provided with hydraulic pump 21 and generating set 22, and described hydraulic pump 21 is connected with control system 9 respectively with generating set 22, can be exported the control of function of carrying out caring the car by hydraulic pressure and electric power; Can external electric percussion drill, electric slicer, electric hammer, beacon, Hydraulic Pressure Percussion Drill, the instruments such as hydraulic rammer use, and drive proprietary maintenance instrument, effectively improve efficiency of construction;
As Fig. 4, shown in Fig. 5, described direct-fired warm air oil furnace 3 comprises horn mouth 31, flap 32, hot blast body of heater 33, burner 34, platinum resistance thermometer sensor, 35, hot blast backwind tube 36, blast fan 37 and infrared radiation whirlwind screen cloth 38, air outlet on the body of heater end face of described direct-fired warm air oil furnace 3 and merry-go-round type bunker 4 adopt flap 32 to be tightly connected, described infrared radiation whirlwind screen cloth 38, horn mouth 31 and platinum resistance thermometer sensor, 35 are arranged on the port of export of direct-fired warm air oil furnace 3, burner 34 is connected with hot blast body of heater 33, hot blast backwind tube 36 is connected on hot blast body of heater 33 by blast fan 37,
As shown in Figure 6, the elevating hopper 52 that described feeding device 5 comprises stock shelf 51, tool box 53 and is arranged in tool box 53, feeding device 5 is arranged on rear side of merry-go-round type bunker 4, described tool box 53 is positioned on rear side of automobile chassis 1 below afterbody vehicle frame, is also provided with the cyclone dust removal cigarette device 8 be connected with feed bin in the side of merry-go-round type bunker 4;
As shown in Figure 7, described flexible pavement hot blast formula heating pad wall 6 comprises hydraulic jack 61, upset position-limit mechanism 62, roll over stand 63, slippage frame 64, sliding and position limitation mechanism 65 and heating pad wall unit 66, described flexible pavement hot blast formula heating pad wall 6 is arranged at the afterbody of automobile chassis 1, control hot air type heating pad wall by hydraulic jack 61 and realize upset, slippage and lifting action, the quantity of described heating pad wall unit 66 is two, be separately positioned on the left and right sides of flexible pavement hot blast formula heating pad wall 6, each heating pad wall unit 66 includes warm air oil furnace, temperature measuring equipment, air ducting, homogenizing plate and heating clamber,
As shown in Figure 8, described mulseal sprinkling system 7 comprises emulsified asphalt dispensing device 71, diesel cleaning device 72 and electric heater unit 73, and described mulseal sprinkling system 7 is arranged at the box house of afterbody on the left of automobile chassis 1;
As shown in Figure 9, described heated bitumen flusher 10 comprises heated bitumen spray gun 101, tube connector 102, conduction oil temperature pick up 103, pitch speed probe 104, asphalt temperature sensor 105, bitumen level pointer 106, the low liquid level sensor 107 of pitch, fuel outlet valve 108, asphalt tank 109 and burner 110, described heated bitumen spray gun 101 is connected on asphalt tank 109 by tube connector 102, described pitch speed probe 104, asphalt temperature sensor 105 is arranged on the upper end of asphalt tank 109 respectively, described conduction oil temperature pick up 103 is arranged on the thermal conductive oil pipeline thermal treatment zone on asphalt tank 109, described bitumen level pointer 106 is arranged on asphalt tank 11, the lower left side of pointer and scale is provided with the low liquid level sensor 107 of pitch, described fuel outlet valve 108 is arranged on bottom asphalt tank 109, described burner 110 is diesel type burner, burner 110 is arranged on one end of asphalt tank 109, described heated bitumen flusher 10 is arranged at the right side central of automobile chassis 1,
Described aid 11 comprises road roller, cutting machine, purging machine, plate compactor and Hydraulic pick, road roller is arranged at the forward right side of automobile chassis, be positioned at above vehicle frame, the lifting of road roller is realized by switching mechanism, cutting machine is positioned at the top of mulseal case, realize it by vehicle-mounted euphroe to fix, described plate compactor is fixed in the middle of accessory power system 2 and swing roller, and the tool box that described purging machine and Hydraulic pick are fixed on the right side of automobile chassis 1 above afterbody vehicle frame is inner.
The course of work: when road surface needs ground heated type maintenance, automobile chassis 1 walks to disease place, accessory power system 2 is provided with hydraulic pump 21 and generating set 22 works, the hydraulic jack 61 that described hydraulic pump 21 output hydraulic pressure controls by control system 9, realize the upset of flexible pavement hot blast formula heating pad wall 6, slippage and lifting, heating pad wall unit 66 and disease place is made to realize being combined completely, described generating set 22 exports the unlatching of the left and right sides heating pad wall unit 66 of the flexible pavement hot blast formula heating pad wall 6 that electric energy is controlled by control system 9, heated asphalt pavement disease place temperature is to the setting value of control system 9, heating is stopped to remove heating pad wall, rake pine is carried out to by heating ground, add virgin material and compacting, pack up roadblock to be open to traffic.
When road surface needs the maintenance of digging type pit repairing, automobile chassis walks to disease place, described aid 11 cutting machine, to disease, place excises, described accessory power system 2 is provided with hydraulic pump 21 and generating set 22 works, the Hydraulic pick that described hydraulic pump 21 output hydraulic pressure controls by control system 9, realize the fragmentation in joint-cutting disease district and excavate, described aid 11 purging machine carries out removing dust to groove place, disease hole, described mulseal sprinkling system 7 carries out the Sub-sealing Course of mulseal to hole groove, adhesion coating and upper sealing spray, or described heated bitumen flusher 10 carries out the Sub-sealing Course of heated bitumen to hole groove, adhesion coating and upper sealing spray, described feeding device 5 is by inner to merry-go-round type bunker 4 on the waste material of flexible pavement fragmentation or the new prefabricated cold burden of pitch, by described generating set 22 export electric energy to be controlled by control system 9 described in direct-fired warm air oil furnace 3 pairs of inner asphalt materials of merry-go-round type bunker 4 heat, heated asphalt material temperature degree is to the setting value of control system 9, heating merry-go-round type bunker 4 is stopped to reverse afterbody discharging to the groove place, hole of having sprayed pitch, carry out paving levelling, compacting, pack up roadblock to be open to traffic.
Described mulseal sprinkling system 7 newly to local is carried out the Sub-sealing Course of mulseal, adhesion coating and upper sealing and is sprayed in the face of repairing the roads, or described heated bitumen flusher 10 newly to local carries out the Sub-sealing Course of heated bitumen, adhesion coating and upper sealing and sprays in the face of repairing the roads, two kinds of devices all have electrical heating, can realize the construction of extremely trembling with fear area, winter.
One as embodiment is improved, described heated bitumen flusher 10 is also provided with for the heater of the conduction oil that burns and the electric heater unit for tube connector 102, the normal use of heated bitumen flusher 10 can be ensured better, safeguard work efficiency by above-mentioned heater.
One as embodiment is improved, this heated bitumen flusher 10 can realize integral installation location swap with cementation of fissures device, is installed on automobile chassis 1 by the function of cementation of fissures device and heated bitumen flusher 10 alternative, easy for installation, rationally distributed, effectively meet the installation requirements of vehicle.
One as embodiment is improved, in described heated bitumen flusher 10, the outside of fuel outlet valve 108 is provided with the protective cover for the protection of fuel outlet valve 108, avoids the damage of fuel outlet valve 108, the effective guarantee normal work of heated bitumen flusher 10.
One as embodiment is improved, and the tube connector 102 in described heated bitumen flusher 10 is pitch flexible pipe, and switching performance is reliable, well meets user demand.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a Multifunctional asphalt pavement maintenance truck, comprise automobile chassis (1), it is characterized in that, also comprise be arranged on the accessory power system (2) on vehicle, direct-fired warm air oil furnace (3), merry-go-round type bunker (4), feeding device (5), flexible pavement hot blast formula heating pad wall (6), mulseal sprinkling system (7), except cloud of dust device (8), heated bitumen flusher (10), aid (11) and control system (9);
Described accessory power system (2) is provided with hydraulic pump (21) and generating set (22), and described hydraulic pump (21) is connected with control system (9) respectively with generating set (22);
Described direct-fired warm air oil furnace (3) comprises horn mouth (31), flap (32), hot blast body of heater (33), burner (34), platinum resistance thermometer sensor, (35), hot blast backwind tube (36), blast fan (37) and infrared radiation whirlwind screen cloth (38), air outlet on the body of heater end face of described direct-fired warm air oil furnace (3) and merry-go-round type bunker (4) adopt flap (32) to be tightly connected, described infrared radiation whirlwind screen cloth (38), horn mouth (31) and platinum resistance thermometer sensor, (35) are arranged on the port of export of direct-fired warm air oil furnace (3), burner (34) is connected with hot blast body of heater (33), hot blast backwind tube (36) is connected on hot blast body of heater (33) by blast fan (37),
The elevating hopper (52) that described feeding device (5) comprises stock shelf (51), tool box (53) and is arranged in tool box (53), feeding device (5) is arranged on merry-go-round type bunker (4) rear side, described tool box (53) is positioned at below automobile chassis (1) rear side afterbody vehicle frame, is also provided with the cyclone dust removal cigarette device (8) be connected with feed bin in the side of merry-go-round type bunker (4);
Described flexible pavement hot blast formula heating pad wall (6) comprises hydraulic jack (61), upset position-limit mechanism (62), roll over stand (63), slippage frame (64), sliding and position limitation mechanism (65) and heating pad wall unit (66), described flexible pavement hot blast formula heating pad wall (6) is arranged at the afterbody of automobile chassis (1), control hot air type heating pad wall by hydraulic jack (61) and realize upset, slippage and lifting action, the quantity of described heating pad wall unit (66) is two, be separately positioned on the left and right sides of flexible pavement hot blast formula heating pad wall (6), each heating pad wall unit (66) includes warm air oil furnace, temperature measuring equipment, air ducting, homogenizing plate and heating clamber,
Described mulseal sprinkling system (7) comprises emulsified asphalt dispensing device (71), diesel cleaning device (72) and electric heater unit (73), and described mulseal sprinkling system (7) is arranged at the box house of automobile chassis (1) left side afterbody;
Described heated bitumen flusher (10) comprises heated bitumen spray gun (101), tube connector (102), conduction oil temperature pick up (103), pitch speed probe (104), asphalt temperature sensor (105), bitumen level pointer (106), the low liquid level sensor of pitch (107), fuel outlet valve (108), asphalt tank (109) and burner (110), described heated bitumen spray gun (101) is connected on asphalt tank (109) by tube connector (102), described pitch speed probe (104), asphalt temperature sensor (105) is arranged on the upper end of asphalt tank (109) respectively, described conduction oil temperature pick up (103) is arranged on the thermal conductive oil pipeline thermal treatment zone on asphalt tank (109), described bitumen level pointer (106) is arranged on asphalt tank (11), the lower left side of pointer and scale is provided with the low liquid level sensor of pitch (107), described fuel outlet valve (108) is arranged on asphalt tank (109) bottom, described burner (110) is diesel type burner, burner (110) is arranged on one end of asphalt tank (109), described heated bitumen flusher (10) is arranged at the right side central of automobile chassis (1),
Described aid (11) comprises road roller, cutting machine, purging machine, plate compactor and Hydraulic pick, road roller is arranged at the forward right side of automobile chassis, be positioned at above vehicle frame, the lifting of road roller is realized by switching mechanism, cutting machine is positioned at the top of mulseal case, realize it by vehicle-mounted euphroe to fix, described plate compactor is fixed in the middle of accessory power system (2) and swing roller, and the tool box that described purging machine and Hydraulic pick are fixed on above the afterbody vehicle frame of automobile chassis (1) right side is inner.
2. a kind of Multifunctional asphalt pavement maintenance truck according to claim 1, it is characterized in that, described heated bitumen flusher (10) is also provided with for the heater of the conduction oil that burns and the electric heater unit for tube connector (102).
3. a kind of Multifunctional asphalt pavement maintenance truck according to claim 1 and 2, is characterized in that, this heated bitumen flusher (10) can realize integral installation location swap with cementation of fissures device.
4. a kind of Multifunctional asphalt pavement maintenance truck according to claim 1; it is characterized in that, in described heated bitumen flusher (10), the outside of fuel outlet valve (108) is provided with the protective cover for the protection of fuel outlet valve (108).
5. a kind of Multifunctional asphalt pavement maintenance truck according to claim 1, is characterized in that, the tube connector (102) in described heated bitumen flusher (10) is pitch flexible pipe.
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| CN201510256822.0A CN104947574B (en) | 2015-05-19 | 2015-05-19 | Multifunctional asphalt pavement maintenance vehicle |
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| CN201510256822.0A CN104947574B (en) | 2015-05-19 | 2015-05-19 | Multifunctional asphalt pavement maintenance vehicle |
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| CN105672106A (en) * | 2016-03-24 | 2016-06-15 | 广东易山重工股份有限公司 | Trailer drum-type thermal regeneration repair machine |
| CN105699634A (en) * | 2016-01-13 | 2016-06-22 | 河海大学 | Emulsified asphalt demulsification speed testing device and method based on current value |
| CN105699435A (en) * | 2016-01-31 | 2016-06-22 | 河海大学 | Testing device and method for emulsion breaking time of emulsified asphalt based on resistance value |
| CN105908604A (en) * | 2016-05-03 | 2016-08-31 | 徐州徐工筑路机械有限公司 | Conduction oil heating device for pavement maintenance equipment |
| CN106120638A (en) * | 2016-08-24 | 2016-11-16 | 葛洲坝集团项目管理有限公司 | A kind of dike, the asphaltic concrete core wall on dam quickly remove equipment and method |
| CN107254827A (en) * | 2017-08-07 | 2017-10-17 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of microwave in-place regeneration formula asphalt pavement maintanance truck and construction method |
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| CN105699634A (en) * | 2016-01-13 | 2016-06-22 | 河海大学 | Emulsified asphalt demulsification speed testing device and method based on current value |
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| CN106120638A (en) * | 2016-08-24 | 2016-11-16 | 葛洲坝集团项目管理有限公司 | A kind of dike, the asphaltic concrete core wall on dam quickly remove equipment and method |
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| CN108277730B (en) * | 2016-10-25 | 2024-04-26 | 宝鸡文理学院 | Multifunctional highway maintenance vehicle capable of automatically conveying materials |
| CN107254827A (en) * | 2017-08-07 | 2017-10-17 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of microwave in-place regeneration formula asphalt pavement maintanance truck and construction method |
| CN107254827B (en) * | 2017-08-07 | 2022-11-25 | 江苏集萃道路工程技术与装备研究所有限公司 | Microwave in-situ regeneration type asphalt pavement maintenance vehicle and construction method |
| CN107447637A (en) * | 2017-08-10 | 2017-12-08 | 周荣生 | Surge bin, road surface welding machine and restorative procedure |
| CN108457162A (en) * | 2018-05-14 | 2018-08-28 | 长沙学院 | A kind of asphalt pavement crack hot repair device and method |
| CN108867288B (en) * | 2018-06-27 | 2020-09-08 | 徐州徐工养护机械有限公司 | Multi-functional maintenance car suitable for bituminous paving repairs |
| CN108867288A (en) * | 2018-06-27 | 2018-11-23 | 徐州徐工养护机械有限公司 | A kind of Multifunctional curing vehicle suitable for asphalt pavement repairing |
| CN109306653A (en) * | 2018-11-22 | 2019-02-05 | 上海大学 | A kind of highway maintenance asphalt paving device |
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