CN101392495B - Asphalt pavement on-site heat recoveryremixer - Google Patents
Asphalt pavement on-site heat recoveryremixer Download PDFInfo
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- CN101392495B CN101392495B CN200810167185XA CN200810167185A CN101392495B CN 101392495 B CN101392495 B CN 101392495B CN 200810167185X A CN200810167185X A CN 200810167185XA CN 200810167185 A CN200810167185 A CN 200810167185A CN 101392495 B CN101392495 B CN 101392495B
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- asphalt pavement
- segregation
- spreader
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/065—Recycling in place or on the road, i.e. hot or cold reprocessing of paving in situ or on the traffic surface, with or without adding virgin material or lifting of salvaged material; Repairs or resurfacing involving at least partial reprocessing of the existing paving
Abstract
The invention discloses an on-the-spot thermal regenerative asphalt remixer of an asphalt road. A segregation-eliminating device containing a plurality of blades is arranged between a mixing device and a spreading device, and firstly passes the regenerative stock pile and turning over the mixture at the two sides of the stock pile along with the proceeding of the whole machine; the ground clearance of the lower edge of the blade is less than half of the maximum aggregate size of the regenerative mixture to fully actuate the large aggregate at the most bottom of the regenerative stock; the distance between the rear edge of the blade and the spreading device is less than 1m, a spiral distributing device of the spreading device that is adjacent closely after the isolation-removing device enters the regenerative stock pile which eliminates segregation, thus being capable of effectively avoiding that the segregation occurs again to the regenerative stock pile, the segregation of which is eliminated; the segregation-eliminating device is symmetrically arranged at the left side and right side of the longitudinal central line, and the distance between the outer edges at the left side and the right side of the blade is 0.5-3.0m so as to satisfy the requirement of different width of the regenerative stock pile. The segregation-eliminating device of the invention can also be applied to the ordinary spreading machine.
Description
Technical field
The present invention relates to a kind of maintenance of surface machinery, be specifically related to a kind of asphalt pavement on-site heat recoveryremixer.
Background technology
The sheet pavement in-situ heat regeneration construction is meant at damaged flexible pavement scene constructs, heat, harrow pine by road pavement, and in old material, add certain regenerative agent and new bituminous mixture, stir through on-the-spot, the compacting that paves at last forms new regeneration surface layer.This job practices has can 100% utilizes original ground surface material, and speed of application is fast, cost is low and plurality of advantages such as environmental protection and energy saving more, has obtained the approval of maintenance of surface industry.
Existing in-situ heat regeneration form of construction work mainly contains two kinds, a kind of is the one-step method construction, mainly united by road surface preheating machine, asphalt pavement on-site heat recoveryremixer and road roller and fulfil assignment, wherein, asphalt pavement on-site heat recoveryremixer has the rake pine, function stirs and pave.During construction, with the thermoplastic of damaged road surface, harrow pine, stir and pave in the road surface after then will being softened by asphalt pavement on-site heat recoveryremixer by preheating machine in elder generation, and at last by the road roller compacting, the Regeneration and Repair of whole surface layer is finished in once-through operation.Another kind is multistep processes construction, exactly with preheating, rake pine, stir, pave and a plurality of functions such as compacting are finished by different equipment respectively, i.e. and preheating machine, a plurality of heating milling machine, heating remixer, paver and road roller.During construction, earlier by preheating machine with the road surface thermoplastic; Heat the old material that milling obtains heating the rake pine several times by a plurality of heating milling machines then, and add certain regenerative agent; Finish the interpolation of new bituminous mixture and the stirring of reworked material by the heating remixer again; Afterwards reworked material is discharged into and finishes paving of new surface layer on the common paver; Last road surface of newly being repaiied by the road roller compacting.
Based on the diversity of in-situ heat regeneration technology, the requirement of regeneration temperature and the multiple consideration of regenerated road surface quality, present sheet pavement in-situ heat regeneration technology adopts the one-step method construction mostly.In the one-step method form of construction work, rake pine, stirring and the spreader of asphalt pavement on-site heat recoveryremixer order from front to back arranged, and a plurality of functions are concentrated on the equipment, and structure is compact.Mixing plant adopts continous way to stir, endfeed before a mixing bowl, rear end discharging, and the regenerating mixture after the stirring is directly stacked on the ground from the discharging opening at rear portion; Along with advancing of equipment, the reworked material spreader arrives stockpile, and by the spiral distributor in the reworked material spreader reworked material is evenly arranged in the paving width; Afterwards through paved entire job width and form certain thickness regeneration shop layer of screed regenerating mixture.Yet in the stacking process that stirs discharging formation regeneration stockpile, big particle diameter aggregate tumbles (as shown in Figure 1a) to both sides easily, and accumulates in the both sides (shown in Fig. 1 b) of regeneration stockpile bottom; Be subjected to the restriction of spiral distributor structure, the spreader spiral distributor can only be taken away the big grain of the very fraction aggregate at segregation place, bottom, regeneration stockpile both sides in the course of the work, and remaining big grain aggregate is left on two side bottoms of stockpile, therefore, on the layer of regeneration shop, form two significantly segregation bands, the void content of segregation band place shop layer is bigger, permeable easily, thereby reduces the quality of regenerated road surface.
Summary of the invention
At above-mentioned defective, the technical problem that the present invention solves is, a kind of asphalt pavement on-site heat recoveryremixer is provided, and by the improvement design to mechanism, can effectively eliminate the segregation phenomenon that the regeneration stockpile produces, and improves the quality of regenerated road surface.
Asphalt pavement on-site heat recoveryremixer provided by the invention comprises setting gradually from front to back: spike up apparatus is used for damaged road surface rake pine; Mixing plant is used for stirring and the output regenerating mixture; With spreader, be used for that the regeneration stockpile is carried out cloth and pave with spiral distributor; Also comprise being arranged on and eliminate the segregation device between mixing plant and the spreader, described elimination segregation device comprises some blades, along with advancing of complete machine, in the big grain aggregate of some blade incision regeneration stockpiles both sides; The terrain clearance of described blade lower edge is less than 1/2 of maximum diameter of aggrogate in the regenerating mixture, and the distance between the spiral distributor of described trailing edge and described spreader is less than 1m.
Preferably, described elimination segregation device is symmetrical arranged along the longitudinal midline of complete machine is left and right, and the distance between the and arranged on left and right sides outer rim of described blade is 0.5～3.0m.
Further preferably, some blades of described elimination segregation device are connected with frame or spreader.
Described blade is at least two and be divided into left and right two groups; On horizontal plane, the angle between described blade lower edge and the car body longitudinal centre line is 30 °～110 °; On described leaf cross-section, the angle between described front side of vane and the horizontal plane is 30 °～90 °.
Preferably, described elimination segregation device also comprises the bracing frame that is connected with frame or spreader; And described some blades are arranged on the support frame as described above; Along with advancing of complete machine, in the big grain aggregate of some blade incision regeneration stockpiles both sides.
Preferably, described elimination segregation device also is included in support frame as described above and is provided with horizontal guide rail or chute, or one group of transversely arranged a plurality of mounting hole site, can change the lateral attitude of described blade; The lateral attitude of described blade can manually or by the lateral attitude adjusting device that is arranged between support frame as described above and the described blade be adjusted.
Further preferably, described elimination segregation device also comprises bracing frame, drive unit and is arranged on shaft on the bracing frame; Support frame as described above is connected with frame or spreader; Described shaft by drive unit directly or by actuator drives its around self rotational; And described some vanes fixed are arranged on the described shaft, along with advancing of complete machine, in the big grain aggregate of some blade rotation incision regeneration stockpiles both sides.
Preferably, described shaft is at least one and transverse horizontal setting; Described some blades are divided into left and right two groups, every group of blade respectively along the periphery of described shaft in the shape of a spiral shape radially be provided with, and left and right two groups rotation direction is opposite; Described blade is obliquely installed with respect to the axial line of described shaft, and the angle between the work plane of described blade and the axial line of shaft is 30 °～60 °, and the incline direction of left and right two groups of blades is opposite.
Preferably, described shaft is at least two and vertical the setting, and described at least two shafts are divided into left and right two groups, and direction of rotation; Described some blades circumferentially set gradually along described two shafts respectively at least; On each described shaft, 30 °～90 ° of the work plane of each described blade and the angles between the horizontal plane; Each described blade lower edge is that basic point tilts to the rightabout of described shaft rotation direction with its outer end points; Angle outside described blade lower edge and this lower edge between end points and the described shaft centre of gyration line is 10 °～50 °.
Preferably, described elimination segregation device also is included in the frame of support frame as described above or described remixer or guide rail or the chute that spreader is provided with vertical direction, or one group of vertical direction a plurality of mounting hole site of arranging, can change the height and position of described blade or support frame as described above; The height and position of described blade or support frame as described above can be manually or the frame by being arranged on support frame as described above and described remixer or the height and position adjusting device of spreader adjust.
Asphalt pavement on-site heat recoveryremixer of the present invention compared with prior art, existing reworked material that asphalt pavement on-site heat recoveryremixer forms piles up in the stacking process, big grain aggregate tumbles and accumulates in the both sides of regeneration stockpile bottom, form segregation, because existing asphalt pavement on-site heat recoveryremixer is not eliminated the function of this segregation phenomenon, therefore, after the spiral distributor of its spreader is arranged in paving width with reworked material, big grain aggregate can not be spread evenly, on the layer of regeneration shop, can form two significantly segregation bands, thereby reduce the quality of regenerated road surface.Asphalt pavement on-site heat recoveryremixer provided by the present invention has additional eliminates the segregation device, it is arranged between mixing plant and the spreader, in working order, along with advancing of complete machine, described elimination is emanated, and device at first contacts and pass through the regeneration stockpile, the compound of stockpile both sides is stirred again, isolated big grain aggregate is admixed the regeneration stockpile again; The terrain clearance of the blade lower edge of elimination segregation device of the present invention is less than 1/2 of maximum diameter of aggrogate in the regenerating mixture, like this, the big grain aggregate that can drive fully near the stockpile bottommost mixes with the reworked material at middle part again, thereby thoroughly eliminates the segregation that the regeneration stockpile has produced; Distance between the spiral distributor of described trailing edge and described spreader is controlled in the 1m, be adjacent to the spiral distributor of eliminating after the segregation device and enter the regeneration stockpile of eliminating behind the segregation and finish paving of regenerated road surface, can effectively evade the regeneration stockpile of eliminating behind the segregation and occur the phenomenon of emanating once more.Therefore, asphalt pavement on-site heat recoveryremixer of the present invention can effectively improve the quality of regenerated road surface in the construction of in-situ heat regeneration one-step method.
In the preferred version of the present invention, the operation width of described elimination segregation device is designed to 0.5～3.0m, can be used for the construction needs of different regeneration stockpile width, has compliance preferably.
The invention provides two kinds of initiatively preferred versions of working forms, adopt drive unit that the power of rotation is provided for described shaft, shaft in two preferred versions adopts lateral arrangement or vertical arrangement respectively, and is set with the blade of different angle of assembling on shaft.When elimination segregation device of the present invention passes through stockpile, drive unit drives shaft and rotates, drive is fixed on blade on the shaft stockpile of will regenerating and stirs again, thereby eliminate the segregation phenomenon of regeneration stockpile both sides reliably, regenerated road surface after paving can not produce vertical segregation band, can satisfy the quality requirement of regenerated road surface.
In the preferred version of the passive working forms of the present invention, its blade does not have relative motion with respect to frame or its bracing frame, and along with the advancing of complete machine, will the regenerate big grain aggregate of bottom, stockpile both sides of blade is dug and disperseed, and thoroughly eliminates segregation phenomenon during construction.
In the preferred version of another passive working forms of the present invention, set up the lateral attitude adjusting device, be used to regulate the lateral attitude of described blade, can take existing position out of according to segregation during construction and at any time the lateral attitude of described blade be regulated, improved compliance of the present invention.
In another preferred version of the present invention, adopt the height and position adjusting device to adjust the terrain clearance of described blade lower edge, can regulate the working depth of described elimination segregation device at any time during construction, further improve the flexibility of compliance of the present invention and constructing operation.
Description of drawings
To be that existing asphalt pavement on-site heat recoveryremixer is formed have a segregation phenomenon regeneration stockpile schematic diagram to Fig. 1 a;
Fig. 1 b is the vertical view of Fig. 1 a;
Fig. 2 a is the partial structurtes lateral view of asphalt pavement on-site heat recoveryremixer of the present invention;
Fig. 2 b is the partial structurtes vertical view of asphalt pavement on-site heat recoveryremixer of the present invention;
Fig. 3 a is the overall structure schematic diagram of first kind of embodiment of elimination segregation device of the present invention;
Fig. 3 b is that the A of Fig. 3 a is to view;
Fig. 4 a is the overall structure schematic diagram of second kind of embodiment of elimination segregation device of the present invention;
Fig. 4 b is the B-B sectional view of Fig. 4 a;
Fig. 5 a is the overall structure schematic diagram of the third elimination segregation device of elimination segregation device of the present invention;
Fig. 5 b is the C-C sectional view of Fig. 5 a;
Fig. 6 a is a blade 14 of the present invention " front view;
Fig. 6 b is Fig. 6 b cross sectional representation;
Fig. 7 is the structural representation of tooth harrow shape blade of the present invention;
Fig. 8 a and Fig. 8 b show the structural representation of manual adjustment blade lateral attitude respectively.
Among Fig. 2-Fig. 8:
10,10 ', 10 " eliminate the segregation devices; 11,11 ', 11 " bracing frames; 111-guide rail or chute; The 112-mounting hole site; 12,12 '-drive unit; 13,13 '-shaft; 14,14 ', 14 " blades; 141,141 '-linking arm; 142 ', 142 " blade lower edges; 15,15 ', 15 " height and position adjusting devices; 16-lateral attitude adjusting device; The 20-mixing plant; The 30-spreader; 31,31 ' 31 " spiral distributors; The 40-frame.
The specific embodiment
Specify present embodiment below in conjunction with Figure of description.
Present embodiment provides a kind of asphalt pavement on-site heat recoveryremixer, mainly comprise the spike up apparatus (not shown), mixing plant 20, elimination segregation device 10 and the spreader 30 that set gradually from front to back, described elimination segregation device 10 is arranged between described mixing plant 20 and the spreader 30.See also Fig. 2, wherein, Fig. 2 a is the partial structurtes lateral view of asphalt pavement on-site heat recoveryremixer of the present invention; Fig. 2 b is the partial structurtes vertical view of asphalt pavement on-site heat recoveryremixer of the present invention.
Need illustrate that inventive point of the present invention is to eliminate the concrete structure and the position relation thereof of segregation device 10, for clarity sake, Fig. 2 a and Fig. 2 b only show the partial schematic diagram at inventive point place; In addition, the structure of critical piece such as described spike up apparatus, mixing plant, spreader and other is same as the prior art, does not give unnecessary details so give in the present embodiment.
In this programme, described elimination segregation device 10 comprises some blades of the big grain aggregate that is used for cutting regeneration stockpile both sides, along with advancing of complete machine, described elimination segregation device 10 at first contacts and cuts the regeneration stockpile, its blade stirs the big grain aggregate of regeneration stockpile both sides again, eliminates segregation phenomenon; The terrain clearance H of blade lower edge mixes with the reworked material at middle part with the big grain aggregate that drives fully near the stockpile bottommost again less than 1/2 of maximum diameter of aggrogate in the regenerating mixture; Between the spiral distributor of trailing edge and described spreader apart from B less than 1m, the phenomenon of emanating appears once more to avoid eliminating regeneration stockpile behind the segregation; Described elimination segregation device is symmetrical arranged along the longitudinal midline of complete machine is left and right, and the distance between the and arranged on left and right sides outer rim of described blade is 0.5～3.0m, to adapt to the needs of different regeneration stockpile width.The concrete structure and the annexation thereof of three kinds of described elimination segregation devices will be described respectively below.
See also Fig. 3 a and Fig. 3 b, wherein, Fig. 3 a is first kind of overall structure schematic diagram of eliminating segregation device 10, and Fig. 3 b is that the A of Fig. 3 a is to view.
As shown in the figure, described elimination segregation device 10 comprises bracing frame 11, drive unit 12, shaft 13 and some blades 14.
Wherein, support frame as described above 11 is connected with the frame 40 of asphalt pavement on-site heat recoveryremixer, and in fact, this bracing frame 11 also can be connected (not shown) with the spreader at rear, all can realize the reliable location of this device.
Wherein, described shaft 13 is one and is horizontally installed on the bracing frame 11; Need to prove that described shaft 13 can be set to many, horizontally set (not shown) successively from front to back is to realize that the regeneration stockpile is carried out multistage elimination segregation to be handled; Described shaft 13 drives it around self rotational by drive unit 12.Wherein, it is benchmark definition that aforementioned lateral is horizontally disposed with the asphalt pavement on-site heat recoveryremixer, that is, be horizontally disposed with along the left and right directions of asphalt pavement on-site heat recoveryremixer.
Wherein, described drive unit 12 can be selected electricity, liquid or air motor for use, realizes control for the velocity of rotation and the direction of shaft 13 by electricity, liquid or air motor.
Wherein, described some blades 14 are respectively along axially the setting gradually of described shaft 13, and described some blades 14 rotate with shaft 13, push the big grain aggregate of regeneration stockpile both sides to the stockpile middle part; Shown in the figure, each described blade 14 is fixedlyed connected with shaft 13 by linking arm 141, and the relation of fixedlying connected between blade 14 and the shaft 13 is not limited to the linking arm 141 shown in the employing figure and realizes that in fact, any rigid structural member all can; When described shaft 13 rotates, between the spiral distributor 31 of described blade 14 trailing edges and described spreader 30 apart from B
1Less than 1m, described here is the blade 14 that is positioned at the rear; The terrain clearance H of described blade 14 lower edges
1Less than 1/2 of maximum diameter of aggrogate in the regenerating mixture, described here is the blade 14 that is positioned at the below; Distance W between the left side outer rim of left end blade and the right side outer rim of right-hand member blade
1Be 0.5～3.0m.
Further, described some blades 14 are divided into left and right two groups, every group of blade 14 by linking arm 141 respectively along the periphery of described shaft 13 in the shape of a spiral shape radially be provided with, and left and right two groups rotation direction is opposite; Described blade 14 is obliquely installed with respect to the axial line of described shaft 13, and the incline direction of left and right two groups of blades 14 is opposite.Particularly, the angle α between the axial line of the work plane of described blade 14 and shaft 13 is 30 °～60 °.
It should be explicitly made clear at this point that described blade 14 slopes inwardly and is provided with or outward-dipping setting can both reach and stirs the segregation phenomenon that regenerative mixed stockpile both sides are produced again, only the movement locus of regenerating mixture is opposite.
In this programme and since described blade 14 along the periphery of described shaft 13 in the shape of a spiral shape radially be provided with, and blade 14 is for being obliquely installed, therefore, the work plane of described blade 14 is on the spiral trajectory; Be understandable that the angle α between the axial line of the work plane of described blade 14 and shaft 13 is the lead angle of this helix.
In fact, complete helical blade of described several blade 14 usefulness substitutes and also can realize eliminating segregation reliably.But, be to be provided with at interval between some blades in this programme, each blade will be emanated after a big grain aggregate is promoted to certain altitude, will be scattered from the impeller clearance by some big grain aggregate, the movement locus of big grain aggregate is polynary state in eliminating the segregation process, make the big grain aggregate of segregation fully to mix with the aggregate at regeneration stockpile middle part fully, so this programme is a preferred plan.
In addition, the rotation of described shaft 13 can directly be driven by drive unit 12, also can adjust the rotating speed of shaft and turn to (not shown), be used for power transmission with described drive unit to shaft by the transmission device that is arranged between described drive unit and the shaft; Described transmission device is specially gear drive or chain-drive mechanism.Need to prove that because those of ordinary skill in the art can realize drive unit 12 to the transmission that drives power between the shaft 13 fully according to aforementioned schemes, present embodiment is not done further explanation to the concrete structure of transmission device part.
As shown in the figure, described elimination segregation device 10 also comprises the height and position adjusting device 15 that is arranged between support frame as described above 11 and frame 40 or the spreader 30, is used to adjust the terrain clearance H of described some blades 14 lower edges
1Can on the frame of support frame as described above or described remixer or spreader, be provided with the guide rail or the chute (not shown) of vertical direction, chute or the guide rail (not shown) suitable with it are set, to realize the relative slip between two parts on described shaft.Described height and position adjusting device 15 can adopt hydraulically extensible oil cylinder or leading screw screw transmission mechanism.The working depth that the expanding-contracting action of hydraulically extensible oil cylinder or leading screw screw transmission mechanism is used to regulate execution unit is to adapt to the pavement construction of different aggregate sizes.Need to prove that equally those of ordinary skill in the art is according to aforementioned content, can obtain hydraulically extensible oil cylinder or leading screw screw transmission mechanism concrete structure and and this programme in associated components between annexation, so do not repeat them here.
In the course of the work, along with advancing of asphalt pavement on-site heat recoveryremixer, elimination segregation device 10 of the present invention is at first by stockpile, when electricity, liquid or air motor drive shaft 13 rotations, the blade 14 of both sides mixes material on one side, on one side compound is pushed to the stockpile middle part.Like this, the regeneration stockpile stirs again under the effect of blade 14, thereby eliminates the segregation phenomenon of regeneration stockpile both sides reliably, and the regenerated road surface after paving just can not produce vertical segregation band.
See also Fig. 4 a and Fig. 4 b, wherein, Fig. 4 a be second kind eliminate segregation device 10 ' the overall structure schematic diagram; Fig. 4 b is the B-B sectional view of Fig. 4 a.
Present embodiment and first kind of embodiment are initiatively working forms, and the difference of the two is that previous embodiment is that axle horizontal type stirs elimination segregation device, and present embodiment is that the segregation device is eliminated in the vertical shaft type stirring.
Particularly, shown in Fig. 4 a and Fig. 4 b, two of described shafts 13 of present embodiment ' be and vertical setting the, left and right being symmetrical arranged of two shafts 13 ' be.In fact, described shaft 13 ' can be set to many more than two, and many described shafts 13 ' be divided into left and right two groups; Certainly, two groups of shafts 13 about ' be not limited to are symmetrical arranged.Wherein, aforementioned vertical setting is the benchmark definition with the asphalt pavement on-site heat recoveryremixer, that is, and and along the above-below direction setting of asphalt pavement on-site heat recoveryremixer.
Wherein, described some blades 14 ' respectively are along described two shafts 13 ' circumferentially set gradually; Shown in the figure, each described some blade 14 ' by linking arm 141 ' with shaft 13 ' fixedly connected, equally, any rigid structural member all can realize described blade 14 ' with shaft 13 ' between fixedly connected relation; During described shaft 13 ' rotation, the spiral distributor 31 of described blade 14 ' trailing edge and described spreader 30 ' between apart from B
2Less than 1m, the blade 14 that described here is is positioned at the rear '; Described blade 14 ' the terrain clearance H of lower edge
2Less than 1/2 of maximum diameter of aggrogate in the regenerating mixture, described here is be positioned at the blade 14 of below '; Left end blade 14 ' the left side outer rim and right-hand member blade 14 ' the right side outer rim between distance W
2Be 0.5～3.0m.
Wherein, shown in Fig. 4 b, the shaft 13 of described and arranged on left and right sides ' direction of rotation; Each described shaft 13 ' on, each described blade 14 ' work plane and horizontal plane between have an angle β; Each described blade 14 ' lower edge 142 ' being basic point with its outer end points tilts to the rightabout of described shaft 13 ' rotation direction.Particularly, described blade 14 ' work plane and the angle β between the horizontal plane be 30 °～90 °; Described blade lower edge 142 ' and this lower edge outside angle γ between end points and the described shaft 13 ' centre of gyration line be 10 °～50 °.
Equally, described blade 14 ' the tendency of work plane and described blade lower edge 142 ' tendency can be any, only the movement locus of regenerating mixture is opposite; Can reach the goal of the invention of stirring the segregation phenomenon that regenerative mixed stockpile both sides are produced again as long as satisfy above-mentioned requirements.
What specify is that for vertical shaft type stirring elimination segregation device, according to different remixer body actual conditions, each shaft promptly can adopt a drive unit to drive, and also can drive respectively; As long as the blade of both sides will regenerate the big grain aggregate of stockpile both sides to the use needs of stockpile middle part stirring, all in the protection domain of this patent when satisfying construction.
See also Fig. 5 a and Fig. 5 b, wherein, Fig. 5 a is that the third eliminates segregation device 10 " the overall structure schematic diagram; Fig. 5 b is the C-C sectional view of Fig. 5 a.
The difference of present embodiment and aforementioned two kinds of embodiments is that the described elimination segregation of present embodiment device 10 " is passive working method.Shown in Fig. 5 a and Fig. 5 b, this device comprises bracing frame 11 " with some blades 14 ": support frame as described above 11 " is connected with frame 40; On described some blades 14 " are arranged on support frame as described above 11 "; Along with advancing of complete machine, bracing frame 11 " move together, in the big grain aggregate of some blade incision regeneration stockpiles both sides.
Certainly; described some blades 14 " be not limited to passing through shown in the figure bracing frame 11 " are connected with frame 40; also can pass through bracing frame 11 and " be connected with the spreader (not shown); can also directly be connected, use needs all in the protection domain of this patent as long as satisfy with frame or spreader.
Wherein, described blade 14 " is two and left and right being symmetrical arranged; In fact, described two blades 14 " are not limited to being symmetrical arranged shown in the figure.Can certainly be such design, described blade 14 " for plural a plurality of and be divided into left and right two groups, same, about two groups of blades 14 " also be not limited to and be symmetrical arranged.Among the figure, each described blade 14 " by linking arm 141 " " is fixedlyed connected with bracing frame 11; Equally, this relation of being rigidly connected is not limited to described linking arm 141 ".
Wherein, between the described blade 14 " spiral distributor 31 of trailing edge and described spreader 30 " apart from B
3Less than 1m, described blade 14 " the terrain clearance H of lower edge
3Less than 1/2 of maximum diameter of aggrogate in the regenerating mixture, the distance W between the right side outer rim of left end blade 14 " left side outer rim and right-hand member blade 14 "
3Be 0.5～3.0m.
Fig. 6 a and Fig. 6 b show a kind of described blade 14 " concrete structure.
On horizontal plane, " and the angle δ between the car body longitudinal centre line L is 30 °～110 ° in described blade lower edge 142.When angle δ was acute angle, blade 14 " was pushed big grain aggregate to the stockpile middle part; " push a big grain skeletal grain to the stockpile outside, at this moment, as long as a bottom big grain aggregate is touched, the material of stockpile top will landing gets off and mixes with a big grain aggregate, with the elimination segregation phenomenon for when angle δ is the obtuse angle, blade 14.
Further, as shown in Figure 7, described blade 14 " the front portion be tooth harrow shape, and the gap M between each tooth of described tooth harrow is less than 1/2 of maximum diameter of aggrogate in the regenerating mixture.
In the preferred version of the passive working forms of the present invention, there is not relative motion between its blade and the bracing frame, along with advancing of asphalt pavement on-site heat recoveryremixer, to the regenerate big grain aggregate of stockpile both sides bottoms of blade is dug, simultaneously, under the aggregate landing on regeneration stockpile top under the effect of front side of vane, fully mix, thereby thoroughly eliminate segregation phenomenon with big grain aggregate.
In addition, for a change described blade 14 " the lateral attitude; at support frame as described above 11 " on be provided with horizontal guide rail or chute 111, the lateral attitude of linking arm 141 " be provided with chute suitable with it or guide rail; like this; institute's blade 14 " can along support frame as described above 11 " laterally slides, this preferred version can be adjusted blade 14 according to the situation of site operation " guarantees that it acts directly on the position that segregation occurs; Further improved the compliance of present embodiment.Need to prove, described blade 14 " the lateral attitude can manually adjust (shown in Fig. 8 a); also can adjust (shown in Fig. 5 a) by the lateral attitude adjusting device 16 that is arranged between the support frame as described above 11 " and described blade 14 "; wherein, described lateral attitude adjusting device 16 can adopt hydraulically extensible oil cylinder or leading screw screw transmission mechanism.
Certainly, annexation between the described linking arm 141 " and support frame as described above 11 " also can be such design, see also Fig. 8 b, at support frame as described above 11 " on be provided with one group of transversely arranged a plurality of mounting hole site 112; described blade 14 " the lateral attitude be manually adjusted to the position after, utilize threaded fastener to finish fixedlying connected between the linking arm 141 " with bracing frame 11 ", thereby obtain different blades 14 " operating positions.
Equally, present embodiment also comprises and is arranged on support frame as described above 11 " and the frame 40 of asphalt pavement on-site heat recoveryremixer or the height and position adjusting device 15 between the spreader 30 ", is used to adjust described some blades 14 " terrain clearance H of lower edge
3Described height and position adjusting device 15 " can adopt hydraulically extensible oil cylinder or leading screw screw transmission mechanism.
What specify is, among aforementioned three embodiment, the adjustment of the height and position of described blade and described blade or support frame as described above also can be adopted the mode of manual adjustment, roughly the same with the structure of the manual adjustment of aforementioned blade lateral attitude, promptly on the frame of support frame as described above or described remixer or spreader, be provided with or one group of a plurality of mounting hole site (not shown) that vertical direction is arranged, when blade is adjusted to the right place after, adopting threaded fastener to realize fixing of its position; Drive and realize and be not limited to foregoing employing height and position adjusting device, as long as satisfy needs that blade height adjusts all in the protection domain of this patent.
To sum up, the present invention eliminates the segregation device in the arranged in front of spreader spiral distributor, and during construction, this device is both sides by stockpile and stockpile both sides compound is stirred again at first, and big the aggregate that drives regeneration stockpile both sides is stirred in the stockpile again; The spreader spiral distributor enters stockpile subsequently and carries out cloth; For big grain aggregate near the stockpile bottommost, can be by regulating the regeneration construction requirement that the terrain clearance of eliminating the segregation device adapts to different road surfaces, to improve the regenerated road surface quality.
Eliminate the segregation device described in the present embodiment and be not only applicable to asphalt pavement on-site heat recoveryremixer, it also is applicable in the common paver, as long as before it is arranged on the spreader of paver, can eliminate the segregation phenomenon that material spreader exists before entering spreader.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. asphalt pavement on-site heat recoveryremixer comprises setting gradually from front to back:
Spike up apparatus is used for damaged road surface rake pine;
Mixing plant is used for stirring and the output regenerating mixture; With
Spreader with spiral distributor is used for that the regeneration stockpile is carried out cloth and paves; It is characterized in that, also comprise:
Eliminate the segregation device, be arranged between mixing plant and the spreader, described elimination segregation device comprises some blades, along with advancing of complete machine, in the big grain aggregate of some blade incision regeneration stockpiles both sides; The terrain clearance of described blade lower edge is less than 1/2 of maximum diameter of aggrogate in the regenerating mixture, and the distance between the spiral distributor of described trailing edge and described spreader is less than 1m.
2. asphalt pavement on-site heat recoveryremixer according to claim 1 is characterized in that, described elimination segregation device is symmetrical arranged along the longitudinal midline of complete machine is left and right, and the distance between the and arranged on left and right sides outer rim of described blade is 0.5～3.0m.
3. asphalt pavement on-site heat recoveryremixer according to claim 2 is characterized in that,
Some blades of described elimination segregation device are connected with frame or spreader.
4. asphalt pavement on-site heat recoveryremixer according to claim 3 is characterized in that,
Described blade is at least two and be divided into left and right two groups;
On horizontal plane, the angle between described blade lower edge and the car body longitudinal centre line is 30 °～110 °;
On described leaf cross-section, the angle between described front side of vane and the horizontal plane is 30 °～90 °.
5. asphalt pavement on-site heat recoveryremixer according to claim 4 is characterized in that, described elimination segregation device also comprises:
Bracing frame is connected with frame or spreader; And
Described some blades are arranged on the support frame as described above; Along with advancing of complete machine, in the big grain aggregate of some blade incision regeneration stockpiles both sides.
6. asphalt pavement on-site heat recoveryremixer according to claim 5 is characterized in that, described elimination segregation device also comprises:
On support frame as described above, be provided with horizontal guide rail or chute, or one group of transversely arranged a plurality of mounting hole site, can change the lateral attitude of described blade;
The lateral attitude of described blade can manually or by the lateral attitude adjusting device that is arranged between support frame as described above and the described blade be adjusted.
7. asphalt pavement on-site heat recoveryremixer according to claim 2 is characterized in that, described elimination segregation device also comprises:
Bracing frame is connected with frame or spreader;
Drive unit; With
Shaft is arranged on the bracing frame, described shaft by drive unit directly or by actuator drives its around self rotational; And
Described some vanes fixed are arranged on the described shaft, along with advancing of complete machine, in the big grain aggregate of some blade rotation incision regeneration stockpiles both sides.
8. asphalt pavement on-site heat recoveryremixer according to claim 7 is characterized in that,
Described shaft is at least one and transverse horizontal setting;
Described some blades are divided into left and right two groups, every group of blade respectively along the periphery of described shaft in the shape of a spiral shape radially be provided with, and left and right two groups rotation direction is opposite;
Described blade is obliquely installed with respect to the axial line of described shaft, and the angle between the work plane of described blade and the axial line of shaft is 30 °～60 °, and the incline direction of left and right two groups of blades is opposite.
9. asphalt pavement on-site heat recoveryremixer according to claim 7 is characterized in that,
Described shaft is at least two and vertical the setting, and described at least two shafts are divided into left and right two groups, and direction of rotation;
Described some blades circumferentially set gradually along described two shafts respectively at least;
On each described shaft, 30 °～90 ° of the work plane of each described blade and the angles between the horizontal plane; Each described blade lower edge is that basic point tilts to the rightabout of described shaft rotation direction with its outer end points; Angle outside described blade lower edge and this lower edge between end points and the described shaft centre of gyration line is 10 °～50 °.
10. according to the described asphalt pavement on-site heat recoveryremixer of arbitrary claim among the claim 3-9, it is characterized in that described elimination segregation device also comprises:
On the frame of support frame as described above or described remixer or spreader, be provided with the guide rail or the chute of vertical direction, or one group of a plurality of mounting hole site that vertical direction is arranged, can change the height and position of described blade or support frame as described above;
The height and position of described blade or support frame as described above can be manually or the frame by being arranged on support frame as described above and described remixer or the height and position adjusting device of spreader adjust.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810167185XA CN101392495B (en) | 2008-09-28 | 2008-09-28 | Asphalt pavement on-site heat recoveryremixer |
| PCT/CN2008/073711 WO2010034170A1 (en) | 2008-09-28 | 2008-12-25 | A regeneration remixer for asphalt pavement on regeneration material pile |
| DE112008001749.2T DE112008001749B4 (en) | 2008-09-28 | 2008-12-25 | Hot recycling remixer for asphalt surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810167185XA CN101392495B (en) | 2008-09-28 | 2008-09-28 | Asphalt pavement on-site heat recoveryremixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101392495A CN101392495A (en) | 2009-03-25 |
| CN101392495B true CN101392495B (en) | 2010-06-23 |
Family
ID=40492992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810167185XA Expired - Fee Related CN101392495B (en) | 2008-09-28 | 2008-09-28 | Asphalt pavement on-site heat recoveryremixer |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101392495B (en) |
| DE (1) | DE112008001749B4 (en) |
| WO (1) | WO2010034170A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392495B (en) | 2008-09-28 | 2010-06-23 | 长沙中联重工科技发展股份有限公司 | Asphalt pavement on-site heat recoveryremixer |
| CN103342499A (en) * | 2013-06-27 | 2013-10-09 | 南京道润交通科技有限公司 | Novel composite regenerated modifier and heat in-place regenerating method |
| CN105755937A (en) * | 2016-04-12 | 2016-07-13 | 江苏威拓公路养护设备有限公司 | Hot in-place recycling aggregate paving device of asphalt pavement |
| FR3051202B1 (en) | 2016-05-10 | 2019-03-22 | Colas | DEVICE FOR THE IN SITU RECYCLING OF MATERIALS OF A CIRCULATION PAVEMENT AND SPECIALLY ADAPTED CRUSHER |
| CN109976397B (en) * | 2018-08-22 | 2021-06-29 | 大连理工大学 | Laser ranging-based on-site hot-laying unit traveling speed optimization control system |
| CN110593066A (en) * | 2019-08-29 | 2019-12-20 | 嘉鹏再升科技（深圳）股份有限公司 | Temperature raising mixing machine for in-situ heat regeneration of asphalt pavement |
| CN112239986A (en) * | 2020-10-10 | 2021-01-19 | 江苏港通路桥集团有限公司 | Construction device and construction method for ultrathin overlay paving |
| CN114277647B (en) * | 2022-01-14 | 2023-02-17 | 龙建路桥股份有限公司 | Paving equipment for cement stabilized base layer construction based on road construction |
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| AT379626B (en) * | 1980-05-21 | 1986-02-10 | Wirtgen Reinhard | METHOD AND DEVICE FOR REMOVING AND RE-COATING ROAD COVERINGS |
| US4971476A (en) * | 1986-03-10 | 1990-11-20 | Beugnet | Road retreatment plant |
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2008
- 2008-09-28 CN CN200810167185XA patent/CN101392495B/en not_active Expired - Fee Related
- 2008-12-25 WO PCT/CN2008/073711 patent/WO2010034170A1/en active Application Filing
- 2008-12-25 DE DE112008001749.2T patent/DE112008001749B4/en not_active Expired - Fee Related
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| US5342141A (en) * | 1993-03-10 | 1994-08-30 | Close Darrell R | Movable surface paving apparatus and method for using the same |
| US5803661A (en) * | 1995-03-14 | 1998-09-08 | Lemelson; Jerome | Method and apparatus for road hole repair including preparation thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101392495A (en) | 2009-03-25 |
| DE112008001749B4 (en) | 2014-03-13 |
| DE112008001749T5 (en) | 2010-08-12 |
| WO2010034170A1 (en) | 2010-04-01 |
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Address after: 410013 Zhonglian science and Technology Park, No. 361 silver basin South Road, Changsha, Hunan, Yuelu District Patentee after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Address before: 410013 Zhonglian science and Technology Park, No. 361 silver basin South Road, Changsha, Hunan, Yuelu District Patentee before: Chang Sha Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |
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