CN102011362B - Hot in-place recycling ultrathin overlaying machine of bituminous pavement and construction method thereof - Google Patents
Hot in-place recycling ultrathin overlaying machine of bituminous pavement and construction method thereof Download PDFInfo
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- CN102011362B CN102011362B CN2010102478804A CN201010247880A CN102011362B CN 102011362 B CN102011362 B CN 102011362B CN 2010102478804 A CN2010102478804 A CN 2010102478804A CN 201010247880 A CN201010247880 A CN 201010247880A CN 102011362 B CN102011362 B CN 102011362B
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Abstract
The invention provides a hot in-place recycling ultrathin overlaying machine of a bituminous pavement and a construction method thereof. The hot in-place recycling ultrathin overlaying machine of the bituminous pavement comprises an automobile chassis, an integral power device, an electric control system, a diesel tank, a receiving and transporting device, a material transfer hopper, a horizontal transporting device, a heating device, a hydraulic system, a recycling agent spraying system, a harrowing device, a distributing spiral device, a paving screed device, a cab, and an electric control operating floor, wherein the automobile chassis is a special automobile chassis. The hot in-place recycling ultrathin overlaying machine of the bituminous pavement finishes the continuous overlay repair work of the pavement through a series of processes such as receiving the materials, feeding the materials quantitatively, transporting the materials horizontally, spraying the recycling agent, harrowing, heating, distributing and paving the materials, ironing, and grinding and the like, and has the advantage of carrying out one-time maintenance on the defects such as loose, shallow vertical and horizontal cracks, track, slight crack, bituminous aging, pavement seepage and the like of a functional layer of the pavement. By adopting the invention, the antiskid resistance of the pavement is restored, the profile of the pavement is corrected, the appearance and the evenness of the pavement are improved, the pavement strength of the pavement is increased, the traffic noise is reduced, and the service life of the pavement is prolonged.
Description
Technical field
The invention belongs to the sheet pavement in-situ heat regeneration Large Scale and Continuous and overlay the surface equipment technical field, especially relate to ultra-thin cover machine of a kind of sheet pavement in-situ heat regeneration and job practices thereof.
Background technology
Road surface preventive maintenance (Pavement Preventive Maintenance) notion is that the U.S. proposed in early 1990s.Being a kind of periodic pressure maintain measure, is sufficient at pavement structural strength, only under the situation of function of surface decay, for recovering a kind of maintenance measure that the road surface service function is taked.Basic concept is: (1) lets approach system in good condition keep the longer time, delays following destruction, under the prerequisite that does not increase structural-load-carrying capacity, improves the function status of system; (2), the measure that is suitable for is applied on the suitable road surface at reasonable time.The core of preventive maintenance is the maintenance measure that the optimum cost benefit is adopted in requirement, stresses the planned of maintenance management.
The measure that is used for the flexible pavement preventive maintenance at present mainly contains: the mist seal; Screening seal coat; Ultra-thin cold mixing seal (slurry seal, little table place, open general seal), thin layer and ultra-thin heated bitumen cover (dense-graded mix, OGFC open gradation wearing layer, road surface, porous crack, SMA, the ultra-thin bonding wearing layer of Novachip, joint seal) etc.
Thin-layer bituminous concrete pavement is the hot mixed asphaltic concrete of individual layer construction, and representative thickness is 15～30mm.By thickness thin-layer bituminous concrete pavement is classified: thin asphalt concrete pavement is 25～30mm, and very thin asphalt concrete pavement is 20～25mm, and ultra-thin asphalt concrete pavement is 15～20mm.
Because thin-layer bituminous concrete thinner thickness, can reduce construction costs greatly, on functions of use such as waterproof, antiskid, smooth, noise abatement, good performance is arranged simultaneously, thereby extensive use abroad.Want bearing course with semi-rigid type base as road base in China, asphalt surface course uses as functional layer, and ultra-thin asphalt concrete layer is very suitable functional layer.
See that from the pavement design angle ultra-thin skin coat surface is more coarse.Therefore can prevent the formation of road surface moisture film, so its cling property is better than common density concrete.Thin overlay provides a brand-new surface for the protobitumen road surface as a preventive maintenance technology,
In the last few years, along with the high speed development of China's road traffic cause, heavy traffic and heavily loaded phenomenon were on the rise, and the various functions of surface of flexible pavement all decay very fast, directly have influence on the driving safety and the comfortableness of automobile.For this reason, how to improve the function of use of having built high-grade highway, like the how the shortest time, the road surface of the good original breakage of minimum material reparation, and to reach good construction effect be the highway maintenance question of common concern.
At present domestic aspect the construction of repairing the damaged road surface of pitch, following several kinds of situation are arranged:
1) mode that paves of manual work: be often used for the job step of small size, its shortcoming is: the bituminous mixture layer that manual work paves exists the possibility of defective big, and the bed of material is uneven, and seam is too much, and degree of compaction is inconsistent etc., directly influences the performance on road surface, reduces application life.
2) the portable car of repairing of machinery:
Mostly the portable car of repairing of machinery generally be with automobile traveling, and utilize original frame chassis and driving, control system.Chinese patent 20050099967.6 discloses a kind of mobile bitumen maintenance of surface and has pulled machine, and it comprises building stones heated roller and motor and transmission device, Asphaltum heating pot, flusher, traveling vehicle frame, air compressor and gasholder etc.Have functions such as roasting material, spice, sprinkling, the cementation of fissures.The defective of this form of construction work has: 1. only limit to the new bituminous mixture that will replenish the road surface is once heated, stirs.Flusher is just cleared up dust and is sprayed pitch original road surface, and original damaged road surface is had no treatment measures, and the virgin material and the road surface temperature difference are bigger, is difficult to guarantee the binding ability between new and old material, and significantly seam is exactly inevitable.2. the volume of building stones heated roller, Asphaltum heating pot is always limited, once adds to be difficult to adapt to large-area repairing road surface, and 3. work progress needs driver and operator two people at least.
Chinese patent 200810050663.9 discloses a kind of self-unloading asphalt pavement and has repaired car; It comprises car body, self-cleaning car railway carriage or compartment, members such as ironing squeeze board, infrared rays roaster and console, has go and work two kinds of speed, discharging voluntarily, ironing, compacting and infrared rays toasting performance, this job practices; Increased to the baking on defective road surface with to laying the ironing and the compacting operation of material; Make through the road surface deliquescing of heat treated defective, improved the binding ability on new bituminous mixture and defective road surface, but had following problem: 1. to the large tracts of land redeck; Only the defective road surface has been carried out baking heat treatment; The raising of temperature helps the combination of virgin material, but is difficult to eliminate the stratification of new and old material, has the weak seam between the new and old bed of material.2. to the small size redeck, do not do heat treated, add just that ironing, compacting get final product behind the virgin material, the combination problem of so new and old material does not still solve, if the depression on defective road surface is shallow, and the just more difficult combination of that new and old material.3. self-cleaning car railway carriage or compartment discharging automatically, the feeding system that do not follow up automatically can not carry out continuous construction operation.
Chinese patent 200620090543.8 discloses a kind of sheet pavement in-situ heat regeneration milling machine; It comprises chassis, motor and transfer case, heating system, milling and planing drum, hydraulic system, electric meter system etc.; Have to the thermoplastic → road surface on damaged road surface functions such as the accumulation of old material after the milling → milling after softening → old material the is sprayed accumulation of the mixing of regenerative agent → old material and regenerative agent → once more; The efficiency of heating surface of this job practices road pavement is than higher, and is more thorough to the processing of damaged supercrust, to the collection of old material, reproduction ratio than science; Operating automation degree is high; But it has only accomplished a part of repairing the roads, and the old material of postorder is handled, mixed and stir, and paves, ironing, compacting etc. must be accomplished by its corresponding apparatus.
Chinese patent 200620090542.3 discloses a kind of asphalt pavement on-site heat recoveryremixer; It comprises motor and transfer case, chassis, hopper, gather materials spiral and inclined transporter, agitated kettle, hydraulic system, electric meter system etc.; Having virgin material spreading → new and old material mixing paves → heats → functions such as the conveying → agitated kettle mixing stirring of gathering materials to tilt; This job practices has solved new and old material mixing, stirring, regeneration problem, and heating system adopts the higher hot air circulation heating system of thermal efficiency ratio, but the bituminous mixture after stirring still must could road pavement pave through paver; Promptly increase equipment, it is serious that material temperature is run off.
In sum, there are following problem in these construction equipments and method:
1) equipment is many in the construction, and unit is tediously long, and close traffic distance is big, and long construction period influences the utilization rate of highway.
2) in order to reach the flexible pavement function, the material thickness that paves can not be lower than 50mm, wastes raw material.
3) the mobile bitumen maintenance of surface of the patent No. 20050099967.6 is pulled a performance completion of the self-unloading asphalt pavement reparation car ability road surface repair of the machine and the patent No. 200810050663.9; But because not science, not thorough is not handled or handled to road pavement; Its repairing quality can not guarantee; Application life is short, and maintenance cycle shortens.
4) asphalt pavement on-site heat recoveryremixer of the sheet pavement in-situ heat regeneration milling machine of the patent No. 200620090543.8 and the patent No. 200620090542.3; Solved reclamation of old material; New and old material mixes stirring, difficult problems such as road surface heating, but every equipment is also just accomplished a part of repairing the roads; All can not accomplish disposable, continuous repair, rehabilitation cost is strengthened damaged road surface.
Summary of the invention
The purpose of this invention is to provide the ultra-thin cover machine of a kind of sheet pavement in-situ heat regeneration.
Another object of the present invention provides a kind of job practices that adopts the ultra-thin cover machine of sheet pavement in-situ heat regeneration.
Adopt ultra-thin cover machine equipment of sheet pavement in-situ heat regeneration and job practices thereof can realize the unit operation; Independent new material transporting, the heat tracing accomplished; Operations such as old pavement heating, regenerative agent (bonding agent) spray, rake is loose, the bituminous concrete thin layer paves, productivity ratio is high.Car load is realized programme-control in the work progress, and automaticity is high, and road surface defectives such as loose, the more shallow crackle in length and breadth that can the road pavement functional layer occurs, rut, slight be full of cracks, ageing of asphalt, road surface infiltration are keeped in repair.Recover the sliding resistance on road surface, proofread and correct the profile on road surface, improve road surface outward appearance, planeness, increase pavement strength, reduce the driving noise, improve the comfortableness and the safety of driving, prolonged the application life of road.
The objective of the invention is to realize like this: the ultra-thin cover machine of this sheet pavement in-situ heat regeneration comprises that the bottom has the automobile chassis of pre-walking mechanism, rear walking mechanism; Therewith the car load power set, electrical control system, the diesel fuel tanks that are connected of automobile chassis, receive material conveying device, material transporting bucket, horizontal feed device, heating system, hydraulic system, regenerative agent sprinkling system, spike up apparatus, cloth screw, screed device and be located at the electric control operation platform in the driver's cabin paves; It is characterized in that the framework that described automobile chassis is connected with described rear walking mechanism with described pre-walking mechanism respectively by the bottom; Be located at the slope conveyor oscillating oil cylinder hinged-support and the slope conveyor revolution hinged-support of said framework front end; Be located at the diesel fuel tanks installing rack of said slope conveyor oscillating oil cylinder hinged-support and slope conveyor revolution hinged-support top; Be located at the material transporting bucket support at said diesel fuel tanks installing rack rear portion; Be located at said material transporting bucket support rear side and be installed in the preceding heating system link on the described framework successively; Regenerative agent container bearing, hydraulic system link, engine bearer; Back heating system link; Driver's cabin gyroaxis and the cabin mount frame that is rotationally connected with said driver's cabin gyroaxis, the rear end through draft arm oscillating oil cylinder and articulated linkage mechanism and said framework is hinged tows draft arm, is located at described cabin mount frame below and is fixed on the cloth link of said framework two sides; Be located at said regenerative agent container bearing and hydraulic system link below and be fixed on the screed device guide pin bushing that paves of described framework both sides; Be located at the inner and horizontal conveyer underframe that be positioned at the longitudinal center position of described framework and form, described draft arm oscillating oil cylinder is connected with described hydraulic system
Described diesel fuel tanks is connected with described diesel fuel tanks installing rack,
The described material receiving device that receives material conveying device to have support wheel by the bottom; Middle part and the hinged slope conveyor of described slope conveyor revolution hinged-support; One end and said slope conveyor are hinged, the other end and the hinged oscillating oil cylinder of described slope conveyor oscillating oil cylinder hinged-support are formed; Described slope conveyor is provided with material receiving end, discharge end and one group of hopper; Material receiving end on the said slope conveyor is located at the below of described material receiving device, and described slope conveyor oscillating oil cylinder is connected with described hydraulic system
Described material transporting bucket is connected with described material transporting bucket support, and is located at the below of the discharge end of described slope conveyor,
Described horizontal feed device is connected with described horizontal feed device underframe, and this horizontal feed device comprises the material input section that is located at described material transporting bucket below, mass transport section and the material deferent segment that is located at described cloth link top,
Described heating system is by the heating and heat-insulating device that is located at described slope conveyor hopper top; The preceding heating system that is connected with described preceding heating system link is formed with the back heating system that is connected with described back heating system link; Hot-blast stove device and the preceding road heater that is connected with hot-blast stove device before this through air outlet before heating system comprises before described; Road heater is located at the below of described framework before said; The hot-blast stove device is located at the top at described horizontal feed device middle part before described; Described back heating system comprises back hot-blast stove device and the back road heater that is connected with said back hot-blast stove device through air outlet; Said back road heater is located at the below of described framework, and described back hot-blast stove device is located at the top of the material deferent segment on the described horizontal feed device
Described regenerative agent sprinkling system comprises the regenerative agent sprinkler that the regenerative agent container that is connected with described regenerative agent container bearing is connected with regenerative agent container therewith, said regenerative agent sprinkler be located at described before the rear side of road heater,
Described spike up apparatus be fixed on the bottom of described framework and be located at described regenerative agent sprinkler and described back road heater between,
Described cloth screw is connected with described cloth link, and said cloth screw comprises the cloth spiral organ and the cloth baffle plate that is located at said cloth spiral organ front side of the bottom that is located at described framework,
The described screed device that paves is by the levelling gear that is slidingly connected with the described screed device guide pin bushing that paves; Front end is the hinged big arm of swing of levelling gear therewith, swings the screed that paves that big arm rear end is fixedly connected therewith, and an end is swung the hinged screed hoist cylinder that paves in big arm rear end therewith and formed; The other end of the described screed hoist cylinder that paves and described framework are compared and are connect; The described screed that paves is located at the rear side of described cloth screw, and the said screed two ends that pave are provided with striker plate, and this striker plate and described cloth baffle plate are formed the groove that paves; The described screed hoist cylinder that paves is connected with described hydraulic system
Described driver's cabin is connected with described cabin mount frame,
Described car load power set, receive material conveying device, horizontal feed device, heating system, hydraulic system, regenerative agent sprinkling system, spike up apparatus, cloth screw, pave the screed device and the electric control operation platform that is located in the driver's cabin all is connected with described electrical control system.
Be equipped with up-down guide pillar device on road heater, the back road heater before described, this up-down guide pillar device all is connected with described hydraulic system.
Heating system, back heating system all adopt the heated air circulation type heating system that has the hot-blast stove air return system before described, and said preceding road heater, back road heater all adopt both sides to have the road heater of telescoping mechanism.
Described spike up apparatus is by the suspension fixed mount that is connected with the bottom of described framework; Hang one group of hinged swing connecting bar of fixed mount therewith; One group of swing span that swing connecting bar is hinged therewith; One end is hinged, the other end of swing span and the hinged rake pine oscillating oil cylinder of described suspension fixed mount therewith, and the loose mechanism of the rake that is fixedly connected with described swing span forms, and the loose oscillating oil cylinder of described rake is connected with described hydraulic system.
Described car load power set comprise the motor that is connected with described engine bearer, the oil pump group that is connected with transfer case therewith of the transfer case that is connected of motor therewith, and described hydraulic system oil pump group therewith is connected.
The loose mechanism of described rake is made up of loose mechanism of fixing rake and the hinged loose mechanism of folding rake in two ends of the loose mechanism of the fixing therewith rake of difference; The loose mechanism of described fixedly rake is by the rake pine body frame that is fixedly connected with described swing span; Evenly being located at this harrows on the loose body frame one group and harrows loose unit and form; The loose mechanism of described folding rake is located at this rake pine unit of harrowing on the loose folding stand and is formed by the rake pine folding stand hinged with the loose body frame side of said rake.
The loose unit of described rake is by the rake pine unit frame hinged with the loose body frame of described rake or described rake pine folding stand; It is hinged and be fixed on the loose body frame of described rake or the unit cylinder on the loose folding stand of described rake through cylinder connection piece to harrow loose unit frame therewith; Rake pine device through unit rotating shaft and spacer pin are connected with frame rear and front end, the loose unit of described rake is respectively formed; The rotating shaft of described unit is rotationally connected with the loose unit of rake frame; Described spacer pin is slidingly connected with the loose unit of rake frame, and described unit cylinder is connected with described motor through air compressor.
The job practices of the ultra-thin cover machine of above-mentioned sheet pavement in-situ heat regeneration comprises the steps:
1) the ultra-thin cover machine of sheet pavement in-situ heat regeneration is started working from the initiating terminal in the highway section of needs reparation; At first accept and store new bituminous mixture by material receiving device; After material receiving device is received the feed instruction from the electric control operation platform; Just begin feed, new bituminous mixture is delivered in the hopper at material receiving end place on the slope conveyor.
2) slope conveyor just begins the material containing operation after accepting new bituminous mixture; The heating and heat-insulating device that meanwhile is located on the slope conveyor is also started working; New bituminous mixture in constantly advancing has carried out the heat tracing processing, and the new bituminous mixture of process heat tracing is transported in the material transporting bucket through slope conveyor.
3) complete machine begins traveling; The material transporting bucket offers the horizontal feed device according to the instruction of electric control operation platform with new bituminous mixture; This horizontal feed device is transported to the deferent segment of horizontal feed device with new bituminous mixture, with new bituminous mixture deliver to wait to pave on.
4) according to the instruction of electric control operation platform, when operation was carried in the material containing of horizontal feed device, preceding heating system was started working; Preceding hot-blast stove device in the preceding heating system produces hot air and enters into preceding road heater; Flexible pavement to the below heats, and the road surface is heated to 130 ℃～160 ℃, and temperature is at 90～110 ℃ apart from ground surface 20mm depths; Operating personnel are located at the telescoping mechanism on the road heater according to the width of roadway adjustment of need heating, to adapt to the requirement of actual width of heating.
5) the original relatively road surface, road surface after the heating can become softer; Along with advancing of complete machine; The regenerative agent sprinkler of road heater rear side arrives the operating position before being located at, and under programme-control, the regenerative agent sprinkler begins vaporific regenerative agent is sprayed on the road surface after the heating; Make the pitch function regeneration of the aging layer in road surface, the sprinkling amount is controlled at 0.2～0.5kg/m
2
6) spike up apparatus that is located at regenerative agent sprinkler rear side is along with advancing of complete machine arrives the road surface of also having sprayed regenerative agent through heating; Control through electric control operation platform and electrical control system; Rake pine device on the spike up apparatus drops to the road surface, the shallow-layer that the road surface after the heating implements to be staggered front to back, laterally to be interrupted is harrowed pine, the spacing 10～40mm of rake pine or scarifying; Harrow the loose degree of depth 10～30mm, this process of harrowing loose road surface also is the process that road surface raw material and regenerative agent carry out mix.
7) complete machine continues to advance; Arrive the deferent segment of horizontal feed device when new bituminous mixture after; Back heating system is started working, and the soft flexible pavement reheat of back road heater to crossing through rake pine, mix reaches pave 130 ℃～170 ℃ of temperature of regeneration to guarantee the pavement asphalt compound.
8) just be scattering into immediately in the groove that paves on the road surface when the new bituminous mixture on the running horizontal feed device breaks away from the material deferent segment, this moment, the cloth screw was evenly shared this new bituminous mixture to the whole groove that paves to both sides through the cloth spiral organ.
9) being positioned at the aftermost screed that paves of complete machine evenly shares the ironing that paves of good bituminous mixture to preceding working procedure and handles; Form ultra-thin skin coat; Roll through professional road roller, the thickness that thin layer is paved after the compacting is 10～30mm, can recover or improve original surface feature again.
10) complete machine is constantly advanced, and above-mentioned operation constantly repeats, and the route spacing that complete machine was walked is from being the length that repaired on the road surface.
Advantage of the present invention is:
1) unit of the present invention has been realized the purpose that material transporting, heat tracing, the regeneration of old material function, thin layer pave and construct in the pavement construction.Series of processes such as independent and ruly completion material feeding → quantitative feed → horizontal feed material → sprinkling regenerative agent → rake pine → heating → cloth paves → presses, car load is realized artificial and programme-control combines, each procedure connection accurately puts in place, high efficiency.Can be disposable the maintenance work of road surface defectives such as loose, the more shallow crackle in length and breadth that occurs of completion road pavement functional layer, rut, slight be full of cracks, ageing of asphalt, road surface infiltration.Recover the sliding resistance on road surface, proofread and correct the profile on road surface, improve road surface outward appearance, planeness, increase pavement strength, reduce the driving noise, improve the comfortableness and the safety of driving, prolonged the application life of road.Owing to be disposable unit operation, therefore, needn't close a road to traffic fully or suspend traffic, so very little to the influence of public transport, construction speed is fast, short construction period, but construction section open to traffic at any time after completion.
2) the present invention has the asphalt overlay function of hot superthin layer; And can accurately control paving layer thickness. because former road surface is passed through heating and is harrowed loose preliminary treatment; The road surface old asphalt mixture is reached pave temperature and be in loose condition (of surface), only need to add a small amount of new bituminous mixture above that, can accomplish the hot ultra-thin cover construction on former relatively road surface; Its thickness is merely 1/4～1/3 of plain asphalt concrete pavement layer, and its construction cost can be saved and reach more than 30%.Min. ground uses new material, can save new bituminous mixture 30～60%, thus resource conservation and environment, and also ultra-thin skin coat can prevent the formation of road surface moisture film, so its cling property is more better than common density concrete.Thin overlay provides a brand-new surface for the protobitumen road surface as a preventive maintenance technology, and improved road structure can bear stronger traffic loading; Improve the planeness on road surface simultaneously, reduce noise, recover the sliding resistance on road surface; Proofread and correct the profile on road surface, improve the road surface outward appearance.Improve the comfortableness of driving; Increase traveling security; Prolonged road application life.
3) heating system and other operations that adopt of the present invention carried out synchronously, with regard to new bituminous mixture, is heating while transport, both remedied loss, the saving heat time heating time of heat, improves haul speed again, assurance cloth temperature.With regard to the heating of road surface; Because it is softening to heat the back top course, both be convenient to the rake pine, also promote the mixed regeneration of the old material of regenerative agent and road surface and the mutual fusion of new bituminous mixture and road surface mixed regeneration material, mutual bonding; Can obtain darker construction depth when guaranteeing decking and rolling; The longitudinal cracking of avoiding the track seam to be produced has fully effectively solved the bonding problem on new shop functional layer and original road surface, combines good between each deck; Avoid overlaying the breaks down phenomenon that the back occurs, improve the performance and the supporting capacity of surface feature layer.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1 of the present invention.
Fig. 3 is the sectional view of Fig. 1 of the present invention along the A-A line.
Fig. 4 is the structural representation of a kind of spike up apparatus among Fig. 1 of the present invention.
Fig. 5 is the structural representation of a kind of automobile chassis among Fig. 1 of the present invention.
Fig. 6 is the vertical view of Fig. 5 of the present invention.
Among the figure ← expression automobile direction of advance.
Sequence number explanation among the figure: 1 diesel fuel tanks; 2 conveyer oscillating oil cylinders; 3 conveyer gyroaxises; 4 discharge ends; 5 material transporting buckets; Heating system before 6; 7 up-down guide pillar devices; 8 regenerative agent containers; 9 motors; 10 back hot-blast stove devices; 11 electrically controlled manipulation platforms; 12 driver's cabins; 13 draft arm rotating shafts; 14 cloth screws; 15 cloth baffle plates; 16 heated air circulation type heating systems; 17 telescoping mechanisms; 18 screeds that pave; 19 cloth spiral organs; 20 back road heaters; The big arm of 21 swings; 22 spike up apparatus; 23 rear walking mechanisms; 24 levelling gears; 25 regenerative agent sprinklers; 26 automobile chassises; Road heater before 27; Hot-blast stove device before 28; 29 horizontal feed devices; 30 pre-walking mechanisms; 31 materials input section; 32 slope conveyors; 33 heating and heat-insulating devices; 34 support wheels; 35 material receiving devices; 36 material receiving ends; 37 hydraulic systems; 38 car load power set; 39 transfer cases; 40 oil pump groups.
22-1 unit cylinder; 22-2 harrows loose body frame; 22-3 hangs fixed mount; 22-4 harrows loose oscillating oil cylinder; The 22-5 swing span; The 22-6 swing connecting bar; 22-7 harrows loose unit frame; 22-8 harrows loose folding stand; 22-10 harrows loose device; The rotating shaft of 22-11 unit; The 22-12 spacer pin.
26-1 slope conveyor oscillating oil cylinder hinged-support; 26-2 slope conveyor revolution hinged-support; 26-3 diesel fuel tanks installing rack; 26-4 material transporting bucket support; Heating system link before the 26-5; 26-6 regenerative agent container bearing; The 26-7 engine bearer; Heating system link behind the 26-8; 26-9 driver's cabin gyroaxis; 26-10 cabin mount frame; 26-11 tows draft arm; 26-12 articulated linkage mechanism; 26-13 draft arm oscillating oil cylinder; 26-14 cloth link; The 26-15 screed device guide pin bushing that paves; The 26-16 framework; 26-17 horizontal conveyer underframe; 26-18 hydraulic system link.
The specific embodiment
Below in conjunction with the description of drawings specific embodiment of the present invention.
Like Fig. 1,2,5, shown in 6; The ultra-thin cover machine of this sheet pavement in-situ heat regeneration comprises that the bottom has the automobile chassis 26 of pre-walking mechanism 30, rear walking mechanism 23; Therewith the car load power set that are connected of automobile chassis 26 38 with electrical control system, diesel fuel tanks 1, receive material conveying device, material transporting bucket 5, horizontal feed device 29, heating system, hydraulic system 37, regenerative agent sprinkling system, spike up apparatus 22, cloth screw 14, screed device and be located at the electric control operation platform 11 in the driver's cabin 12 paves; It is characterized in that the framework 26-16 that described automobile chassis 26 is connected with described rear walking mechanism 23 with described pre-walking mechanism 30 respectively by the bottom; Be located at the slope conveyor oscillating oil cylinder hinged-support 26-1 and the slope conveyor revolution hinged-support 26-2 of the front end of this framework 26-16; Be located at the diesel fuel tanks installing rack 26-3 of this slope conveyor oscillating oil cylinder hinged-support 26-1 and slope conveyor revolution hinged-support 26-2 top; Be located at the material transporting bucket support 26-4 at this diesel fuel tanks installing rack 26-3 rear portion; Be located at this material transporting bucket support 26-4 rear side and be installed in the preceding heating system link 26-5 on the described framework 26-16 successively; Regenerative agent container bearing 26-6; Hydraulic system link 26-18; Engine bearer 26-7; Back heating system link 26-8, driver's cabin gyroaxis 26-9 and the cabin mount frame 26-10 that is rotationally connected of driver's cabin gyroaxis 26-9 therewith, the rear end through draft arm oscillating oil cylinder 26-13 and 26-12 of articulated linkage mechanism and described framework 26-16 is hinged tows draft arm 26-11; Be located at described cabin mount frame 26-10 below and be fixed on the cloth link 26-14 of described framework 26-16 two sides; Be located at said regenerative agent container bearing 26-6 and hydraulic system link 26-18 below and be fixed on the screed device guide pin bushing 26-15 that paves of described framework 26-16 both sides, the horizontal conveyer underframe 26-17 that is located at the inner longitudinal center position of described framework 26-16 forms, and described draft arm oscillating oil cylinder 26-13 is connected with described hydraulic system 37.
Like Fig. 1, shown in 5, described diesel fuel tanks 1 is connected with described diesel fuel tanks installing rack 26-3, makes the diesel fuel tanks stow away from heat, and is safe and reliable.
Like Fig. 1, shown in 5; The described material receiving device 35 that receives material conveying device to have support wheel 34 by the bottom; Middle part and the hinged slope conveyor 32 of described slope conveyor revolution hinged-support 26-2; One end is 32 hinged, the other end of slope conveyor and hinged 2 compositions of oscillating oil cylinder of described slope conveyor oscillating oil cylinder hinged-support therewith, and described slope conveyor 32 is provided with material receiving end 36, discharge end 4 and one group of hopper, and this hopper is used for carrying the material that dress material receiving device 35 provides; Material receiving end 36 on the said slope conveyor is located at the below of described material receiving device 35; The hopper at material receiving end 36 places just upwards moves with slope conveyor after receiving material, and until the discharge end that outreaches 4, described slope conveyor oscillating oil cylinder 2 is connected with described hydraulic system 37.
Like Fig. 1, shown in 5, described material transporting bucket 5 is connected with described material transporting bucket support 26-4, and is located at the below of the discharge end 4 of described slope conveyor 32, the described material transporting bucket 5 responsible materials that provide from said discharge end 4.
Like Fig. 1, shown in 5; Described horizontal feed device 29 is connected with described horizontal feed device underframe 26-17; Said horizontal feed device 29 comprises the material input section 31 that is located at described material transporting bucket below; Mass transport section and the material deferent segment that is located at described cloth link 26-14 top, said material deferent segment is delivered to the road surface with new bituminous mixture.
Like Fig. 1, shown in 5; Described heating system is by the heating and heat-insulating device 33 that is located at described slope conveyor 32 hoppers top; The preceding heating system 6 that is connected with described preceding heating system link 26-5 is formed with the back heating system that is connected with described back heating system link 26-8; Hot-blast stove device 28 and the preceding road heater 27 that is connected with hot-blast stove device 28 before this through air outlet before heating system 6 comprises before described; Road heater 27 is located at the below of described framework 26-16 before said; Be convenient to the road surface of below is heated, described preceding hot-blast stove device 28 is located at the top at described horizontal feed device 29 middle parts, and described back heating system comprises back hot-blast stove device 10 and the back road heater 20 that is connected with thereafter heat wind furnace device 10 through air outlet; Said back road heater 20 is located at the below of described framework 26-16; So that old material continues heating on the road pavement, described back hot-blast stove device 10 is located at the top of the material deferent segment on the described horizontal feed device 29
Like Fig. 1, shown in 5; Described regenerative agent sprinkling system comprises the regenerative agent sprinkler 25 that the regenerative agent container 8 that is connected with described regenerative agent container bearing 26-6 is connected with regenerative agent container therewith, said regenerative agent sprinkler 25 be located at described before the rear side of road heater 27.
Like Fig. 1, shown in 5; Described spike up apparatus 22 be fixed on the bottom of described framework 26-16 and be located at described regenerative agent sprinkler 25 and described back road heater 20 between; Be convenient to be after heat on the road surface rake pine under the soft state, rake pine back is owing to temperature leak needs by back road heater supplementary heating.
Like Fig. 1, shown in 5; Described cloth screw 14 is connected with described cloth link 26-14; Said cloth screw 14 comprises the cloth spiral organ 19 and the cloth baffle plate 15 that is located at said cloth spiral organ 19 front sides of the bottom that is located at described framework 26-16
Like Fig. 1,2, shown in 5; The described screed device that paves is by the levelling gear 24 that is slidingly connected with the described screed device guide pin bushing 26-15 that paves; Front end is the hinged big arm 21 of swing of levelling gear 24 therewith, swings hinged 13 compositions of screed hoist cylinder that pave of screed 18, one ends and the big arm of said swing rear end that pave that big arm 21 rear ends are fixedly connected therewith; The other end of the described screed hoist cylinder 13 that paves and described framework 26-16 compare and connect; The described screed 18 that paves is located at 14 rear sides of described cloth screw, and these screed two ends that pave are provided with striker plate, and this striker plate and described cloth baffle plate 15 are formed the groove that paves; The described screed hoist cylinder 13 that paves is connected with described hydraulic system 37
Like Fig. 1, shown in 5, described driver's cabin 12 is connected with described cabin mount frame 26-10, and said driver's cabin 12 is located at the rear end of car load, is convenient to observation and control to each operation of front.
Described car load power set 38, receive material conveying device, horizontal feed device 29, heating system, hydraulic system 37, regenerative agent sprinkling system, spike up apparatus 22, cloth screw 14, pave the screed device and the electric control operation platforms 11 that are located in the driver's cabin 12 all are connected with described electrical control system; The action button of each operation all concentrates on the electric control operation platform 11, can realize the automatic linking between the operation.
Like Fig. 1, shown in 2, be equipped with up-down guide pillar device 7 on described preceding road heater 27, the back road heater 20, said up-down guide pillar device 7 all is connected with described hydraulic system 37.
Like Fig. 1, shown in 3; Heating system, back heating system all adopt the heated air circulation type heating system that has hot-blast stove air return system 16 before described; The hot blast utilization rate is high; Road heater 27, back road heater 20 all adopt both sides to have the road heater of telescoping mechanism 17 before described, are convenient to adjust according to width of roadway the width of heating of road heater.
Like Fig. 1,2, shown in 4; The suspension fixed mount 22-3 that described spike up apparatus 22 is connected by the bottom with described framework 26-16; Hang one group of hinged swing connecting bar 22-6 of fixed mount 22-3 therewith; One group of swing span 22-5 that swing connecting bar is hinged therewith; One end is hinged, the other end of swing span 22-5 and the hinged rake pine oscillating oil cylinder 22-4 of described suspension fixed mount 22-3 therewith, and the loose mechanism of the rake that is fixedly connected with described swing span 22-5 forms, and the loose oscillating oil cylinder 22-4 of described rake is connected with described hydraulic system 37.
Like Fig. 1,2, shown in 5; Described car load power set 38 comprise the motor 9 that is connected with described engine bearer 26-7; The oil pump group 40 that is connected with transfer case 39 therewith of the transfer case 39 that is connected of motor 9 therewith, described hydraulic system 37 oil pump group 40 therewith is connected.
As shown in Figure 4; The loose mechanism of described rake is made up of loose mechanism of fixing rake and the hinged loose mechanism of folding rake in two ends of the loose mechanism of the fixing therewith rake of difference; The loose mechanism of described fixedly rake is by the rake pine body frame 22-2 that is fixedly connected with described swing span 22-5; Evenly be located at this and harrow on the loose body frame 22-2 one group and harrow loose unit and form, the loose mechanism of described folding rake is located at this rake pine unit of harrowing on the loose folding stand 22-8 and is formed by the rake pine folding stand 22-8 hinged with the loose body frame 22-2 of said rake side.
As shown in Figure 4; The loose unit of described rake is by the rake pine unit frame 22-7 hinged with the loose body frame 22-2 of described rake or described rake pine folding stand 22-8; Harrow therewith loose unit frame 22-7 hinged and through cylinder connection piece 22-9 be fixed on that the loose body frame 22-2 of described rake goes up or the loose folding stand 22-8 of described rake on unit cylinder 22-1; The rake pine device 22-10 that is connected with frame 22-7 rear and front end, the loose unit of described rake respectively through unit rotating shaft 22-11 and spacer pin 22-12 forms; Described unit rotating shaft 22-11 and the loose unit of said rake frame 22-7 are rotationally connected; Described spacer pin 22-12 and the loose unit of said rake frame 22-7 are slidingly connected, and the loose device of rake can be rotated in rotating shaft, by the loose device rotational angle of spacer pin restriction rake around the unit; Guarantee that loose device work plane of rake and contour of road surface coincide, described unit cylinder 22-1 is connected with described motor 9 through air compressor.
Embodiment 1
The job practices of the ultra-thin cover machine of sheet pavement in-situ heat regeneration of the present invention comprises the steps:
1) the ultra-thin cover machine of sheet pavement in-situ heat regeneration is started working from the initiating terminal in the highway section of needs reparation; At first accept and store new bituminous mixture by material receiving device 35; After material receiving device 35 is received the feed instruction from electric control operation platform 11; Just begin feed, new bituminous mixture is delivered in the hopper at material receiving end 36 places on the slope conveyor 32; Described slope conveyor 32 can adopt drag conveyor.
2) slope conveyor 32 just begins the material containing operation after accepting new bituminous mixture; The heating and heat-insulating device 33 that meanwhile is located on the slope conveyor 32 is also started working; New bituminous mixture in constantly advancing has carried out the heat tracing processing, and the new bituminous mixture of process heat tracing is transported in the material transporting bucket 5 through slope conveyor.
3) complete machine begins traveling; The material transporting bucket offers horizontal feed device 29 according to the instruction of electric control operation platform 11 with new bituminous mixture; This horizontal feed device 29 is transported to the deferent segment of horizontal feed device with new bituminous mixture, with new bituminous mixture deliver to wait to pave on; Described horizontal feed device 29 also can adopt drag conveyor.
4) according to the instruction of electric control operation platform, when operation was carried in the material containing of horizontal feed device, preceding heating system 6 was started working; Preceding hot-blast stove device 28 in the preceding heating system 6 produces hot airs and enters into preceding road heater 27; Flexible pavement to the below heats, and the road surface is heated to 140 ℃, and temperature is at 100 ℃ apart from ground surface 20mm depths; Operating personnel are located at the telescoping mechanism 17 on the road heater 27 according to the width of roadway adjustment of need heating, to adapt to the requirement of actual width of heating.
5) the original relatively road surface, road surface after the heating can become softer; Along with advancing of complete machine; The regenerative agent sprinkler 25 arrival operating positions of road heater 27 rear sides before being located at, under programme-control, regenerative agent sprinkler 25 begins vaporific regenerative agent is sprayed on the road surface after the heating; Make the pitch function regeneration of the aging layer in road surface, the sprinkling amount is controlled at 0.2～0.5kg/m
2
6) spike up apparatus that is located at regenerative agent sprinkler 25 rear sides is along with advancing of complete machine arrives the road surface of also having sprayed regenerative agent through heating; Control through electric control operation platform 11 and electrical control system; Rake pine device 22-10 on the spike up apparatus drops to the road surface, the shallow-layer that the road surface after the heating implements to be staggered front to back, laterally to be interrupted is harrowed pine, the spacing 30mm of rake pine or scarifying; Harrow loose degree of depth 20mm, this process of harrowing loose road surface also is the process that road surface raw material and regenerative agent carry out mix.
7) complete machine continues to advance; Arrive the deferent segment of horizontal feed device 29 when new bituminous mixture after; Back heating system is started working; The soft flexible pavement reheat that 20 pairs of back road heaters are crossed through rake pine, mix reach pave 130 ℃～170 ℃ of temperature of regeneration to guarantee the pavement asphalt compound;
8) just be scattering into immediately in the groove that paves on the road surface when the new bituminous mixture on the running horizontal feed device 29 breaks away from the material deferent segment, this moment, cloth screw 14 was evenly shared this new bituminous mixture through cloth spiral organ 19 to both sides.
9) be positioned at the aftermost 18 pairs of preceding working procedures of screed that pave of complete machine and evenly share the ironing that paves of good bituminous mixture and handle, form ultra-thin skin coat, roll through professional road roller again, can recover or improve original surface feature.
10) complete machine is constantly advanced, and above-mentioned operation constantly repeats, and the route spacing that complete machine was walked is from being the length that repaired on the road surface.
Adopt above-mentioned process conditions and method, effectively utilized the regeneration function of the old pitch material in former road surface, make the use amount of new pitch material save 40%.
Embodiment 2
When the road surface being heated to 160 ℃, temperature is harrowed the spacing 30mm of pine or scarifying at 110 ℃ apart from ground surface 20mm depths; Harrow loose degree of depth 30mm; The thickness that thin layer paves after the compacting is 20mm, when other operation and embodiment 1 are identical, can make the use amount of new pitch material save 50-60%.
Claims (6)
1. ultra-thin cover machine of sheet pavement in-situ heat regeneration; Comprise that the bottom has the automobile chassis of pre-walking mechanism, rear walking mechanism; Therewith the car load power set, electrical control system, the diesel fuel tanks that are connected of automobile chassis, receive material conveying device, material transporting bucket, horizontal feed device, heating system, hydraulic system, regenerative agent sprinkling system, spike up apparatus, cloth screw, screed device and be located at the electric control operation platform in the driver's cabin paves; It is characterized in that the framework that described automobile chassis is connected with described rear walking mechanism with described pre-walking mechanism respectively by the bottom; Be located at the slope conveyor oscillating oil cylinder hinged-support and the slope conveyor revolution hinged-support of said framework front end; Be located at the diesel fuel tanks installing rack of said slope conveyor oscillating oil cylinder hinged-support and slope conveyor revolution hinged-support top; Be located at the material transporting bucket support at said diesel fuel tanks installing rack rear portion, be located at said material transporting bucket support rear side and be installed in the preceding heating system link on the described framework, regenerative agent container bearing successively; The hydraulic system link; Engine bearer, back heating system link, driver's cabin gyroaxis and the cabin mount frame that is rotationally connected with said driver's cabin gyroaxis; Rear end through draft arm oscillating oil cylinder and articulated linkage mechanism and said framework is hinged tows draft arm; Be located at described cabin mount frame below and be fixed on the cloth link of said framework two sides, be located at said regenerative agent container bearing and hydraulic system link below and be fixed on the screed device guide pin bushing that paves of described framework both sides, the horizontal conveyer underframe that is located at described framework inside and is positioned at the longitudinal center position is formed; Described draft arm oscillating oil cylinder is connected with described hydraulic system
Described diesel fuel tanks is connected with described diesel fuel tanks installing rack,
The described material receiving device that receives material conveying device to have support wheel by the bottom; Middle part and the hinged slope conveyor of described slope conveyor revolution hinged-support; One end and said slope conveyor are hinged, the other end and the hinged oscillating oil cylinder of described slope conveyor oscillating oil cylinder hinged-support are formed; Described slope conveyor is provided with material receiving end, discharge end and one group of hopper; Material receiving end on the said slope conveyor is located at the below of described material receiving device, and described slope conveyor oscillating oil cylinder is connected with described hydraulic system
Described material transporting bucket is connected with described material transporting bucket support, and is located at the below of the discharge end of described slope conveyor,
Described horizontal feed device is connected with described horizontal feed device underframe, and said horizontal feed device comprises the material input section that is located at described material transporting bucket below, mass transport section and the material deferent segment that is located at described cloth link top,
Described heating system is by the heating and heat-insulating device that is located at described slope conveyor hopper top; The preceding heating system that is connected with described preceding heating system link is formed with the back heating system that is connected with described back heating system link; Hot-blast stove device and the preceding road heater that is connected with hot-blast stove device before this through air outlet before heating system comprises before described; Road heater is located at the below of described framework before said; The hot-blast stove device is located at the top at described horizontal feed device middle part before described; Described back heating system comprises back hot-blast stove device and the back road heater that is connected with said back hot-blast stove device through air outlet; Said back road heater is located at the below of described framework, and described back hot-blast stove device is located at the top of the material deferent segment on the described horizontal feed device
Described regenerative agent sprinkling system comprises the regenerative agent sprinkler that the regenerative agent container that is connected with described regenerative agent container bearing is connected with regenerative agent container therewith, said regenerative agent sprinkler be located at described before the rear side of road heater,
Described spike up apparatus be fixed on the bottom of described framework and be located at described regenerative agent sprinkler and described back road heater between,
Described cloth screw is connected with described cloth link, and said cloth screw comprises the cloth spiral organ and the cloth baffle plate that is located at said cloth spiral organ front side of the bottom that is located at described framework,
The described screed device that paves is by the levelling gear that is slidingly connected with the described screed device guide pin bushing that paves; Front end is the hinged big arm of swing of levelling gear therewith, swings the screed that paves that big arm rear end is fixedly connected therewith, and an end is swung the hinged screed hoist cylinder that paves in big arm rear end therewith and formed; The other end of the described screed hoist cylinder that paves and described framework are compared and are connect; The described screed that paves is located at the rear side of described cloth screw, and the said screed two ends that pave are provided with striker plate, and this striker plate and described cloth baffle plate are formed the groove that paves; The described screed hoist cylinder that paves is connected with described hydraulic system
Described driver's cabin is connected with described cabin mount frame,
Described car load power set, receive material conveying device, horizontal feed device, heating system, hydraulic system, regenerative agent sprinkling system, spike up apparatus, cloth screw, pave the screed device and the electric control operation platform that is located in the driver's cabin all is connected with described electrical control system
Be equipped with up-down guide pillar device on road heater, the back road heater before described, this up-down guide pillar device all is connected with described hydraulic system,
Heating system, back heating system all adopt the heated air circulation type heating system that has the hot-blast stove air return system before described, and said preceding road heater, back road heater all adopt both sides to have the road heater of telescoping mechanism.
2. the ultra-thin cover machine of sheet pavement in-situ heat regeneration according to claim 1; It is characterized in that described spike up apparatus is by the suspension fixed mount that is connected with the bottom of described framework; Hang one group of hinged swing connecting bar of fixed mount therewith; One group of swing span that swing connecting bar is hinged therewith; One end is hinged, the other end of swing span and the hinged rake pine oscillating oil cylinder of described suspension fixed mount therewith, and the loose mechanism of the rake that is fixedly connected with described swing span forms, and the loose oscillating oil cylinder of described rake is connected with described hydraulic system.
3. the ultra-thin cover machine of sheet pavement in-situ heat regeneration according to claim 1; It is characterized in that described car load power set comprise the motor that is connected with described engine bearer; The oil pump group that is connected with transfer case therewith of the transfer case that is connected of motor therewith, described hydraulic system is connected with said oil pump group.
4. the ultra-thin cover machine of sheet pavement in-situ heat regeneration according to claim 2; It is characterized in that the loose mechanism of described rake is made up of loose mechanism of fixing rake and the hinged loose mechanism of folding rake in two ends of the loose mechanism of the fixing therewith rake of difference; The loose mechanism of described fixedly rake is by the rake pine body frame that is fixedly connected with described swing span; Evenly being located at this harrows on the loose body frame one group and harrows loose unit and form; The loose mechanism of described folding rake is located at this rake pine unit of harrowing on the loose folding stand and is formed by the rake pine folding stand hinged with the loose body frame side of said rake.
5. the ultra-thin cover machine of sheet pavement in-situ heat regeneration according to claim 4; It is characterized in that the loose unit of described rake is by the rake pine unit frame hinged with the loose body frame of described rake or described rake pine folding stand; It is hinged and be fixed on the loose body frame of described rake or the unit cylinder on the loose folding stand of described rake through cylinder connection piece to harrow loose unit frame therewith; Rake pine device through unit rotating shaft and spacer pin are connected with frame rear and front end, the loose unit of described rake is respectively formed; Rotating shaft of described unit and the loose unit of said rake frame are rotationally connected; Described spacer pin and the loose unit of said rake frame are slidingly connected, and described unit cylinder is connected with described motor through air compressor.
6. a job practices that adopts the ultra-thin cover machine of the described sheet pavement in-situ heat regeneration of claim 1 is characterized in that comprising the steps:
1) the ultra-thin cover machine of sheet pavement in-situ heat regeneration is started working from the initiating terminal in the highway section of needs reparation; At first accept and store new bituminous mixture by material receiving device; After material receiving device is received the feed instruction from the electric control operation platform; Just begin feed, new bituminous mixture is delivered in the hopper at material receiving end place on the slope conveyor
2) slope conveyor just begins the material containing operation after accepting new bituminous mixture; The heating and heat-insulating device that meanwhile is located on the slope conveyor is also started working; New bituminous mixture in constantly advancing has carried out the heat tracing processing; New bituminous mixture through heat tracing is transported in the material transporting bucket through slope conveyor
3) complete machine begins traveling; The material transporting bucket offers the horizontal feed device according to the instruction of electric control operation platform with new bituminous mixture; This horizontal feed device is transported to the deferent segment of horizontal feed device with new bituminous mixture, with new bituminous mixture deliver to wait to pave on
4) according to the instruction of electric control operation platform, when operation was carried in the material containing of horizontal feed device, preceding heating system was started working; Before preceding hot-blast stove device in the heating system produce hot air and enter into preceding road heater, the flexible pavement of below is heated, the road surface is heated to 130 ℃～160 ℃; Temperature is at 90～110 ℃ apart from ground surface 20mm depths; Operating personnel are located at the telescoping mechanism on the road heater according to the width of roadway adjustment of need heating, to adapt to the requirement of actual width of heating
5) the original relatively road surface, road surface after the heating can become softer; Along with advancing of complete machine; The regenerative agent sprinkler of road heater rear side arrives the operating position before being located at, and under programme-control, the regenerative agent sprinkler begins vaporific regenerative agent is sprayed on the road surface after the heating; Make the pitch function regeneration of the aging layer in road surface, the sprinkling amount is controlled at 0.2～0.5kg/m
2,
6) spike up apparatus that is located at regenerative agent sprinkling system rear side is along with advancing of complete machine arrives the road surface of also having sprayed regenerative agent through heating; Through the control of electric control operation platform and electrical control system, the rake pine device on the spike up apparatus drops to the road surface, the road surface after the heating is implemented the shallow-layer rake pine that is staggered front to back, laterally is interrupted; Spacing 10～the 40mm of rake pine or scarifying; Harrow the loose degree of depth 10～30mm, this process of harrowing loose road surface also is the process that road surface raw material and regenerative agent carry out mix
7) complete machine continues to advance; Arrive the deferent segment of horizontal feed device when new bituminous mixture after, back heating system is started working, the soft flexible pavement reheat of back road heater to crossing through rake pine, mix; To guarantee that the pavement asphalt compound reaches pave 130 ℃～170 ℃ of temperature of regeneration
8) just be scattering into immediately in the groove that paves on the road surface when the new bituminous mixture on the running horizontal feed device breaks away from the material deferent segment, this moment, the cloth screw was evenly shared this new bituminous mixture to the whole groove that paves to both sides through the cloth spiral organ,
9) being positioned at the aftermost screed that paves of complete machine evenly shares the ironing that paves of good bituminous mixture to preceding working procedure and handles; Form ultra-thin skin coat, roll through professional road roller, the thickness that thin layer is paved after the compacting is 10～30mm; Can recover or improve original surface feature
10) complete machine is constantly advanced, and above-mentioned operation constantly repeats, and the route spacing that complete machine was walked is from being the length that repaired on the road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102478804A CN102011362B (en) | 2010-08-03 | 2010-08-03 | Hot in-place recycling ultrathin overlaying machine of bituminous pavement and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102478804A CN102011362B (en) | 2010-08-03 | 2010-08-03 | Hot in-place recycling ultrathin overlaying machine of bituminous pavement and construction method thereof |
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| CN102011362A CN102011362A (en) | 2011-04-13 |
| CN102011362B true CN102011362B (en) | 2012-01-04 |
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| CN2010102478804A Expired - Fee Related CN102011362B (en) | 2010-08-03 | 2010-08-03 | Hot in-place recycling ultrathin overlaying machine of bituminous pavement and construction method thereof |
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| CN102912707B (en) * | 2012-11-12 | 2015-02-25 | 河南万里路桥集团有限公司 | Crack seamless cold-welding construction technology for semi-rigid base asphalt pavement |
| CN102900015B (en) * | 2012-11-12 | 2015-09-09 | 河南万里路桥集团有限公司 | The seamless thermal weld construction technology in semi-rigid asphalt pavement crack |
| CN104110410A (en) * | 2014-07-07 | 2014-10-22 | 中联重科股份有限公司 | Hydraulic system of vehicle-mounted aerial work platform and vehicle-mounted aerial work platform |
| CN105113365B (en) * | 2015-07-21 | 2017-10-27 | 吉林省嘉鹏集团有限公司 | Leveled heating rake pine and the sheet pavement in-situ heat regeneration construction method of mobile mix |
| CN105350430B (en) * | 2015-09-28 | 2017-06-13 | 吉林省嘉鹏集团有限公司 | A kind of sheet pavement in-situ heat regeneration leveled heating method |
| CN105155391B (en) * | 2015-09-30 | 2017-09-26 | 无锡锡通工程机械有限公司 | Hot blast for road surface hot recycling is layered reheating locomotive |
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| CN106868983A (en) * | 2017-01-13 | 2017-06-20 | 吉林省嘉鹏集团有限公司 | Sheet pavement in-situ heat regeneration construction method |
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| CN108195645B (en) * | 2017-12-28 | 2020-04-10 | 山东交通学院 | Micro-surfacing paving device for rotary road surface accelerated loading rut test piece and operation method |
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