CN104729898B - Asphalt vibrates rotary compactor - Google Patents

Abstract

The present invention provides a kind of asphalt vibration rotary compactor, and a kind of asphalt vibrates rotary compactor, including：The seaming chuck and push-down head for extruding asphalt in cylinder mould from upper and lower surfaces respectively are provided with cylinder mould for holding asphalt, cylinder mould；The seaming chuck is connected with the upper drive device that driving seaming chuck moves up and down, depression bar by depression bar and is additionally provided with the exciting device for driving seaming chuck vibration；The device that rotates and knead that driving cylinder mould does circumference tilt rotary motion is installed below the cylinder mould.The present invention carries out Excitation Compaction with suitable amplitude and frequency to the asphalt in cylinder mould, and to form the standard specimen of certain compactness, the standard cylinder test specimen of shaping can enter the mechanical property tests such as line density, porosity, stability, cleavage strength.

Description

Asphalt vibrates rotary compactor

Technical field

The present invention relates to mechanical field, more particularly to a kind of asphalt vibration rotary compactor.

Background technology

Currently, bituminous paving turns into the main road surface form of high-grade highway and urban road, and conditional Area's also preferred bituminous paving form on secondary grade road, main reason is that the construction period of bituminous paving is short, attractive in appearance, vehicle Ride comfort, without seam and easy to maintenance.According to《Standard specification for construction and acceptance of highway asphalt pavement》(JTG F40-2004's) will Ask, should be compacted in time after bituminous pavement paving, including first pressing, multiple pressure and three processes of final pressure, multiple pressure is to form asphalt road The key link of face structural behaviour and endurance quality is, it is necessary to ensure that asphalt surface course has enough compactness, and this not only needs to close That manages rolls mode and enough Compaction Efforts, also depends on rational asphalt mixture gradation composition and asphalt content.Indoor examination The main Asphalt Mixture Performance checking included in Bitumen Mix Design and production process is tested, this needs and applied The pavement compaction pattern at work scene matches, and such laboratory test results could preferably instruct site operation.At present, construct existing Field generally carries out the first pressing of bituminous paving using vibration steel road road roller and early stage is pressed again, and exciting, which is acted on, to be caused under the condition of high temperature The aggregate system of asphalt is coordinated rapidly, embedded squeezing and filling；And the rubber-tyred roller then carried out roll belong to the later stage answer Journey is pressed through, the flexibility of rolling wheel is acted on asphalt formation rubbing with reference to more than 30 tons of pressure, further squeezes surface layer In space.

Asphalt standard specimen shaping be Asphalt Mixture Performance test the first step, be also committed step it One.Existing Asphalt Mixture Experiment code defines Marshall compaction method, the rolling method of forming and rubbing compaction moulding method, and crumples Compacting mainly has gyratory compaction method and the rotational shear method of forming.Marshall compaction method relies on the compound that weight is hit in real die trial, Coarse aggregate in broken compound, with the vibration steel roller and the mechanism of action phase of rubber-tyred roller used in job site Go very far, it is actual that compacting process lags significantly behind construction.Rubbing compacting can simulate the compacting of rubber-tyred roller as defined in code Journey, but the exciting effect of vibrated roller is not considered.And many equipment development and experimental study work at present be based only on rubbing or The single mode of action of vibration, but have the Excitation Compaction and wheel tire pressure of vibration steel roller in construction process of asphalt pavement concurrently The rubbing compacting process of road machine, the vibrating compacting of actually steel roller has made asphalt be improved into compactness The multiple pressure stage.Therefore, consider exciting to act on rubbing, live effecting HMA compaction process is fitted as far as possible, phase is developed Shop test equipment is closed, experimental result could preferably instruct site operation.

Both at home and abroad the R＆D work of vibratory compaction molding asphalt equipment and technique is carried out, and demonstrate at present Vibration formation method is more suitable for large stone asphalt mixture and framework compact type compound.But the work that will be crumpled and vibrate The instrument and equipment and corresponding asphalt moulding process integrated and developed with pattern are still rarely reported.

The content of the invention

The defect existed it is an object of the invention to solve above-mentioned prior art incorporates exciting there is provided one kind and rubbing is made With the compacting process of the steel roller and rubber-tyred roller at, construction simulation scene to asphalt, design mechanism it is simple, The straightforward asphalt former of easy to maintenance, low cost, compaction pattern.

A kind of asphalt vibrates rotary compactor, including：Set in cylinder mould for holding asphalt, cylinder mould There are the seaming chuck and push-down head for extruding asphalt in cylinder mould from upper and lower surfaces respectively；The seaming chuck passes through depression bar It is connected with the upper drive device that driving seaming chuck moves up and down, depression bar and is additionally provided with the exciting device for driving seaming chuck vibration； The device that rotates and knead that driving cylinder mould does circumference tilt rotary motion is installed below the cylinder mould.

Further, asphalt vibration rotary compactor as described above, the upper drive device includes：Cylinder, One end connection of cylinder and depression bar, its other end is fixedly connected with seaming chuck.

Further, asphalt vibration rotary compactor as described above, the exciting device includes：Entablature, The entablature is socketed on depression bar, the block glided for preventing entablature from continuing is fixed with depression bar, on entablature Vibrating motor is fixed with, the vibrating motor is distributed the both sides for being fixed on entablature by symmetry axis of depression bar, the two of entablature End is respectively arranged with directive wheel, and two directive wheels can be slided up and down respectively along long rails.

Further, asphalt vibration rotary compactor as described above, the device that rotates and knead includes：It is fixed It is provided with below spinning chassis below cylinder mould, the spinning chassis and is capable of the edge on pushing tow spinning chassis and does circumferentially The rotary lifting device of periodic undulations.

Further, asphalt vibration rotary compactor as described above, the rotary lifting device includes：Middle horizontal stroke Beam, spinning chassis, spherical end pull bar, roller, swing bolster, spring；

The two ends of wherein the middle cross beam are fixed on the both sides of reaction frame, a circular hole are provided with the center of middle cross beam, with this Centered on circular hole, some first tie rod holes are circumferentially evenly distributed with middle cross beam, first tie rod hole includes a semicircle Connected in star and the through hole for being arranged on semi-circular recesses bottom；

The spinning chassis include bottom plate, centering connection steel cylinder, top pressure ring, the bottom plate be provided centrally with support rod set Hole；The centering connection steel cylinder is removably secured installed in the center of bottom plate, and top pressure ring is arranged on the top that centering connects steel cylinder Portion edge and centering；Provided circumferentially about in bottom plate has the second tie rod hole corresponding with the first pull bar hole site；

The centering connection steel cylinder bottom on the spinning chassis is fixedly connected after passing through the circular hole of middle cross beam with bottom plate；Top pressure ring Inner side be provided with internal thread, the bottom of cylinder mould is provided with external screw thread, and cylinder mould lower external thread is screwed with top pressure ring internal thread, from And realize cylinder mould and be fixed together with spinning chassis；

Be cased with spring spherical end pull bar by first tie rod hole and the second tie rod hole be connected to middle cross beam with Between spinning chassis；

The support rod is fixedly connected after passing through the supporting rod set hole on the spinning chassis with push-down head；The swing bolster The lower section on spinning chassis is arranged on, roller is fixed on one end of swing bolster, and the wheel contact of the roller is on spinning chassis side On the bottom surface of edge, roller moves in a circle with the rotation of swing bolster.

Further, driving is fixed with below asphalt vibration rotary compactor as described above, swing bolster Its rotating mechanism rotated, rotating mechanism is socketed in support rod by the first needle bearing, the lower periphery circle of rotating mechanism Teeth groove is provided with week, the teeth groove is engaged with the chain wheel of worm decelerating machine, and worm decelerating machine is driven by motor.

Further, asphalt vibration rotary compactor as described above, in addition to be arranged on below swing bolster Jacking apparatus, the jacking apparatus includes：Jacking device, sleeve, chain, slow speed motor；

The jacking device is arranged on below rotating mechanism and is socketed in by the second needle bearing in support rod, jacking device Thrust ball bearing is provided between rotating mechanism；

The bottom of jacking device is provided with external screw thread, sleeve in being provided with the round boss provided with round boss Screw thread, the external screw thread of round boss is engaged in the internal thread of sleeve；

Sleeve is fixed on sill；

The top peripheral of jacking device is provided with chain wheel, chain is engaged with the chain wheel of jacking device periphery, chain is by electric at a slow speed Machine drives it to be driven.

Further, asphalt vibration rotary compactor as described above, is provided with first pressure meter on depression bar With the 3rd pressure gauge, the first pressure meter is arranged between entablature and seaming chuck, for the perseverance for measuring and controlling cylinder to apply The exciting force that constant-pressure and vibrating motor apply；3rd pressure gauge is arranged on reaction frame, the vertical position for measuring depression bar Shifting amount.

Further, asphalt vibration rotary compactor as described above, is set respectively at the two ends on spinning chassis First displacement meter, second displacement meter, first displacement meter, second displacement meter spinning chassis it is same diametrically, for surveying Calculate the inclination angle that cylinder mould is produced.

Further, asphalt vibration rotary compactor as described above, is provided with based on below roller Calculate the second pressure meter of asphalt suffered horizontal shear force in tilting procedure；It is provided with the side of roller for recording Roller is turn-taked several counters.

Asphalt that the present invention is provided vibration rotary compactor, by the upper drive device that is connected with depression bar to driving Seaming chuck is done from above extruding to the asphalt in cylinder mould, by being arranged on depression bar exciting device to the drip in cylinder mould Blue or green compound carries out exciting；The asphalt in cylinder mould is squeezed from bottom surface by the lower drive device being connected with support rod Pressure, is rubbed the asphalt in cylinder mould by the device that rotates and knead installed below cylinder mould, it is achieved thereby that this instrument Device carries out exciting to the asphalt in cylinder mould with appropriate amplitude and frequency and rubs compacting, to form the mark of certain compactness Quasi- cylinder test specimen, the standard cylinder test specimen of shaping can enter the physical mechanicses such as line density, porosity, stability, cleavage strength Performance test.

Brief description of the drawings

Fig. 1 is that asphalt of the present invention vibrates rotary compactor structural representation；

The partial enlarged drawing that Fig. 2 is A in Fig. 1；

Fig. 3 is spinning chassis of the present invention cross-sectional view；

Fig. 4 is state diagram of the rotary lifting device of the present invention when spinning chassis is tilted；

Fig. 5 is Fig. 3 top view；

Fig. 6 is the fragmentary perspective view overlooked downwards from middle cross beam；

Fig. 7 is the lower drive device structural scheme of mechanism of the present invention；

Fig. 8 is middle cross beam cross-sectional view of the present invention；

Fig. 9 is seaming chuck profile of the present invention；

Figure 10 is seaming chuck top view of the present invention.

Reference：

1- control systems, 2- reaction frames, 3- cylinders, 4- vibrating motors, 5- first pressure meters, 6- seaming chucks, 61- pressure heads Connecting rod, 62- pressure head panels, 63- pressure head cover plates, 7- cylinder moulds, 8- movable floors, 9- push-down heads, the displacement meters of 10- first, 11- Two displacement meters, 12- spinning chassis, 121- bottom plates, 122- centerings connection steel cylinder, 123- top pressure rings, 124- supporting rod sets hole, 125- Second tie rod hole, 13- rotating mechanisms, the needle bearings of 131- first, 14- second pressure meters, 15- rollers, 16- counters, 17- electricity Machine, 18- worm decelerating machines, 19- slow speed motors, 20- jacking devices, 201- chain wheels, the needle bearings of 202- second, 203- thrust ball axles Hold, 204- round boss, 21- sleeves, 22- chains, 23- pulleys, 24- directive wheels, 25- incubators, 26- entablatures, it is horizontal in 27- Beam, 2721- semi-circular recesses, 2722- through holes, 28- air pumps, 29- depression bars, 30- swing bolsters, 31- springs, 32- blocks, 33- Support rod, 34- annular retaining rings, 35- spherical end pull bars, 36- triple motion meters, 37- sills.

Embodiment

To make the object, technical solutions and advantages of the present invention clearer, below technical scheme in the present invention carry out it is clear Chu, it is fully described by, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

Fig. 1 is that asphalt of the present invention vibrates rotary compactor structural representation, as shown in figure 1, what the present invention was provided Asphalt vibration rotary compactor includes：It is provided with cylinder mould 7 for holding asphalt, cylinder mould 7 for distinguishing The seaming chuck 6 and push-down head 9 of asphalt in cylinder mould 7 are extruded from upper and lower surfaces；The seaming chuck 6 is connected by depression bar 29 Have and be additionally provided with the exciting device for driving seaming chuck 6 to vibrate on the upper drive device that driving seaming chuck 6 moves up and down, depression bar 29； The lower section of cylinder mould 7 is provided with the device that rotates and knead that driving cylinder mould 7 does circumference tilt rotary motion.

The upper drive device that seaming chuck 6 is connected by depression bar 29 is extruded from top the asphalt in cylinder mould 7, The exciting device set on depression bar 29 carries out exciting to the asphalt in cylinder mould 7, so that asphalt coarse-fine aggregate Preliminary embedded squeezing and compacting；A movable floor 8 is provided with the cylinder mould 7, push-down head 9 is by movable floor 8 in cylinder mould 7 Asphalt extruded from bottom, the device that rotates and knead that the lower section of cylinder mould 7 is installed can be such that cylinder mould 7 occurs circumferentially Wave, the extruding of seaming chuck and push-down head and the circumference of cylinder mould produce rubbing to the asphalt in cylinder mould and made to waving With, it is achieved thereby that this instrument carries out Excitation Compaction with appropriate amplitude and frequency to the asphalt in cylinder mould, and with proper When inclination angle rubbing compacting is carried out to asphalt in cylinder mould, should so as to ultimately form the standard specimen of certain compactness The standard cylinder test specimen of shaping can enter the mechanical property tests such as line density, porosity, stability, cleavage strength.

Further, as above asphalt vibrates rotary compactor, and the upper drive device includes：Cylinder 3, cylinder 3 It is connected with one end of depression bar 29, the other end of depression bar 29 is fixedly connected with the pressure head connecting rod 61 of seaming chuck 6.

Specifically, depression bar 29 is driven to move downward by cylinder 3, depression bar 29, which is moved downward, just drives seaming chuck in cylinder mould Asphalt extruded.

Further, as above asphalt vibrates rotary compactor, and the exciting device includes：Entablature 26, it is described Entablature 26 is socketed on depression bar 29, the block 32 glided for preventing entablature 26 from continuing is fixed with depression bar 29, upper Vibrating motor 4 is fixed with crossbeam 26, the vibrating motor 4 is that symmetry axis distribution is fixed on the two of entablature 26 with depression bar 29 Side, directive wheel 24 is respectively arranged with the two ends of entablature 26, and two directive wheels 24 can be slided up and down respectively along long rails, Long rails are two side walls of reaction frame 2 herein.

Specifically, a block 32 is fixed with depression bar 29, the entablature 26 is socketed on depression bar 29, and passes through gear Block 32 supports entablature 26 that (i.e. in the perforation that is provided centrally with of entablature 26, the upper end of the depression bar 29 was through should It is fixedly connected after perforation with cylinder 3, the cross-sectional area of block 32 is more than the perforation hole area of the entablature 26, and block 32 is upper The supported underneath of crossbeam 26 entablature 26).Start vibration when the vibrating motor 4 of left and right two starts, just drive on entablature 26 Lower vibration, the downward vibration displacement of entablature 26 is prevented by block 32 and transmits downward exciting to depression bar 29 by block 32 Power, depression bar 29 continues exciting force being transferred to seaming chuck 6, and final realize is acted on the exciting of the asphalt in cylinder mould 7.

First pressure meter 5 and triple motion meter 36 are installed on depression bar 29, the first pressure meter 5 is arranged on entablature 26 Between seaming chuck 6, the exciting force that constant pressure and vibrating motor 4 for measuring and controlling the application of cylinder 3 apply；3rd Move meter 36 be arranged on reaction frame 2 on, the vertical displacement for measuring depression bar 29, when the vertical displacement of unit interval depression bar 29 ( The vertical compression of test specimen i.e. in cylinder mould 7) it is less than setting value, illustrate that test specimen reaches certain compactness, at this moment make by exciting It is little with consolidation effect, accordingly, it would be desirable to determine the need for continuing Vibration on Start-up electricity by the measured value of triple motion meter 36 Machine 4.

Further, as above asphalt vibrates rotary compactor, and the device that rotates and knead includes：It is fixed on cylinder mould The spinning chassis 12 of 7 lower sections, the lower section on the spinning chassis 12, which is provided with, is capable of the edge on pushing tow spinning chassis 12 and does circumferentially To the rotary lifting device of periodic undulations.

Specifically, the effect on the spinning chassis 12 is exactly to drive cylinder mould 7 fixed thereto periodically to do circumference Oscillating motion, is done by cylinder mould 7 and periodically does circumference oscillating motion, makes the asphalt in cylinder mould 7 in seaming chuck with Kneading action is produced under the extruding of pressure head.

A kind of specific rotary lifting device is provided below and is rubbed to realize to produce the asphalt in cylinder mould 7, institute Stating rotary lifting device includes：Middle cross beam 27, spinning chassis 12, spherical end pull bar 35, roller 15, swing bolster 30, spring 31；

The two ends of wherein the middle cross beam 27 are fixed on the both sides of reaction frame 2, with reference to as shown in Fig. 6 and Fig. 8, in middle cross beam 27 Center be provided with a circular hole 271, centered on the circular hole 271, some first are circumferentially evenly distributed with middle cross beam 27 Tie rod hole, first tie rod hole includes a semi-circular recesses 2721 and is arranged on the through hole of the bottom of semi-circular recesses 2721 2722；

With reference to such as Fig. 3 and Fig. 5, the spinning chassis 12 includes bottom plate 121, centering connection steel cylinder 122, top pressure ring 123, institute That states bottom plate 121 is provided centrally with supporting rod set hole 124；The centering connection steel cylinder 122 is removably secured installed in bottom plate 121 center, top pressure ring 123 be arranged on centering connection steel cylinder 122 top and centering (so-called centering is exactly top pressure ring 123 The center of circle that the center of circle is connected steel cylinder 122 with centering is overlapped)；Provided circumferentially about in bottom plate 121 has and the first pull bar hole site Corresponding second tie rod hole 125；

Centering connection steel cylinder 122 bottom on the spinning chassis 12 is fixed after passing through the circular hole of middle cross beam 27 with bottom plate 121 Connection；

The inner side of top pressure ring 123 is provided with internal thread, and the bottom of cylinder mould 7 is provided with external screw thread, the lower external thread of cylinder mould 7 with The internal thread of top pressure ring 123 is screwed, so as to realize that cylinder mould 7 is fixed together with spinning chassis 12；

The spherical end pull bar 35 for being cased with spring 31 is connected to middle horizontal stroke by first tie rod hole and the second tie rod hole 125 Between beam 27 and spinning chassis 12；

As shown in Figures 2 and 4, the support rod 33 through the spinning chassis 12 supporting rod set hole 124 after with pushing First 9 are fixedly connected；The swing bolster 30 is arranged on the lower section on spinning chassis 12, and roller 15 is fixed on the one of swing bolster 30 End, the wheel contact of the roller 15 is on the bottom surface at the edge of spinning chassis 12, and roller 15 does circle with the rotation of swing bolster 30 Zhou Yundong.

Specifically, the operation principle of the rotary lifting device is as follows：As shown in figure 4, due to the thrusting action of roller 15, rotation At the same time the one end at the pressure edge of chassis 12, can therewith be compressed by jack-up by the spring 31 of one end of jack-up, now, spinning Chassis 12 is in skewed shown in Fig. 4, and when roller 15 is rotated with swing bolster 30, roller 15 just moves in a circle therewith, when Roller 15 is rolled across behind the place that initial spring is compressed, and the spring 31 compressed again can be by spinning chassis 12 in the presence of elastic force Resetted by one end of jack-up, therefore, spring 31 plays a part of resetting spinning chassis 12 in the present invention, and roller 15 continues During rolling, circumferential spring will be compressed successively, then and successively in the presence of elastic force by spinning chassis 12 One end resets, and so circulation makes roller 15 move in a circle again and again, then spinning chassis 12 begins to do periodically Circumference oscillating motion, while the cylinder mould 7 fixed with spinning chassis 12 also begins to do circumference oscillating motion.

Especially, present invention design has a diameter larger than the first tie rod hole set on middle cross beam 27 its through hole 2722 spherical Ball appearance and size on the diameter of termination pull bar 35, and semi-circular recesses 2721 and spherical end pull bar 35 is adapted, so Just it can guarantee that when spinning chassis 12 is under the pushing tow of roller 15 and the elastic force of spring 31, being capable of successfully run-off the straight and multiple Position, otherwise can be stuck；

Further, since when 12 run-off the straight of spinning chassis, cylinder mould 7 is also tilted therewith, but now, seaming chuck and push Head in the presence of depression bar and support bar be always maintained at it is horizontal, therefore, in order to ensure seaming chuck and push-down head in cylinder mould 7 Interior normal extrusion asphalt is without occurring stuck phenomenon, it is necessary that seaming chuck and push-down head have certain level To the free degree.So-called level is to the free degree, and specifically, as shown in Figure 9, Figure 10, seaming chuck 6 includes pressure head connecting rod 61, pressure head Panel 62, pressure head cover plate 63, pressure head panel 62 are provided centrally with a circular groove, and the bottom of pressure head connecting rod 61 inserts this Pressure head connecting rod 61 is linked together in circular groove and with pressure head panel 62 with bolt by pressure head cover plate 63；Pressure head is connected Gap is formed between the bottom of bar 61 and pressure head panel 62, pressure head cover plate 63, lubrication has been filled with the gap Grease；The structure of push-down head 9 of the present invention is identical with seaming chuck 6, and here is omitted.The pressure head connecting rod 61 of seaming chuck 6 It is fixedly connected behind the end for inserting depression bar 29 with depression bar 29, similarly, the pressure head connecting rod of push-down head 9 is also the end from support bar 33 Connection is secured to after portion's insertion, in this way, pressure head connecting rod just can have certain water to move flat in pressure head panel, so that Ensure that cylinder mould 7, in run-off the straight, will not be stuck.

Meanwhile, a raised annular retaining ring 34, annular gear are provided with the edge of the center hole of wherein the middle cross beam 27 It is much and make whole floating that circle 34 and the collective effect of top pressure ring 123 are used to limiting the angle of inclination in location free procedure of spinning chassis 12 Device is stuck.Further, the inclined structure of splaying of the outer rim of the top pressure ring 123, i.e. annular retaining ring 34 and top pressure ring 123 The certain angle of marginal existence, its purpose is to make spinning chassis 12 to have certain float angle in location free procedure, And be unlikely to be stuck.

Further, Fig. 2 and Fig. 7 is referred to, asphalt as described above vibrates rotary compactor, swing bolster 30 Lower section be fixed with the rotating mechanism 13 of its rotation of driving, rotating mechanism 13 is socketed on support rod by the first needle bearing 131 On 33, the lower periphery of rotating mechanism 13 is provided circumferentially about teeth groove, and the teeth groove is engaged with the chain wheel of worm decelerating machine 18, rotation Crossbeam 30 drives worm decelerating machine 18 to drive rotating mechanism 13 to rotate by motor 17.

Specifically, the rotation of swing bolster 30 rotates to realize by the rotating mechanism 13 of welding thereunder, motor 17 Worm decelerating machine 18 is driven, worm decelerating machine 18 drives rotating mechanism 13 to rotate, the rotation of rotating mechanism 13 is welded on so as to drive Swing bolster 30 thereon rotates, and swing bolster 30 rotates the circular motion for being achieved that roller 15.

Further, asphalt vibration rotary compactor as described above, refers to Fig. 2, Fig. 7, in rotating mechanism 13 lower section is provided with jacking apparatus, and the jacking apparatus includes：Jacking device 20, sleeve 21, chain 22, slow speed motor 19；

The jacking device 20 is arranged on the lower section of rotating mechanism 13 and is socketed in support rod 33 by the second needle bearing 202 On, thrust ball bearing 203 is provided between jacking device 20 and rotating mechanism 13；

The bottom of jacking device 20 is provided with a round boss 204, the round boss 204 and is provided with external screw thread, sleeve 21 On be provided with internal thread, the external screw thread of round boss 204 is engaged in the internal thread of sleeve 21；

Sleeve 21 is fixed on sill 37；

The top peripheral of jacking device 20 is provided with chain wheel 201, chain 22 is engaged with the chain wheel 201 of the periphery of jacking device 20, Chain 22 drives it to be driven by slow speed motor 19.

Specifically, from figure 7 it can be seen that support rod 33 runs through swing bolster 30, rotating mechanism 13, jacking device 20, then Its end is fixed on sill 37.The drive chain 22 of slow speed motor 19 is driven, and the transmission of chain 22 allows for jacking device 20 and set Cylinder 21 is relatively rotated, and because sleeve 21 is fixed on sill 37, therefore, jacking device 20 rotates rising gradually, so as to drive rotation Rotation mechanism 13 rises, and rotating mechanism 13, which rises, just drives swing bolster 30 to rise, and swing bolster 30, which rises, allows for 15 pairs of roller The angle of inclination on spinning chassis 12 further increases.At the two ends on spinning chassis 12, the first displacement meter 10, second are set respectively Move meter 11, first displacement meter 10, second displacement meter 11 spinning chassis 12 it is same diametrically, pass through the first displacement meter 10th, the inclination angle that the displacement difference measuring and calculating cylinder mould 7 of second displacement meter 11 is produced.It is provided with the lower section of roller 15 for calculating pitch The second pressure meter 14 of compound suffered horizontal shear force in tilting procedure；It is provided with the side of roller 15 for recording rolling The counter 16 that wheel 15 is turn-taked several.

The overall operation principle of the system is：The process that electric control system 1 is run to equipment carries out Programmed control, and The first displacement meter 10 of display in real time and record, second displacement meter 11, triple motion meter 36, first pressure meter 5, second pressure meter 14th, the test data of counter 16, carries out test parameters analysis and determines follow-up compacting step.Cylinder 3 provides gas by air pump 28 Source, applies pressure, cylinder 3 can lift the upper of exciting unit simultaneously by the pressure values of design, by depression bar 29 to test specimen seaming chuck 6 Crossbeam 26, to provide operating space for die trial assembly and disassembly.Exciting device is by 26 groups of two vibrating motors being arranged symmetrically 4, entablature Into the vibrating motor side force being arranged symmetrically is cancelled out each other, and reduces double swerve, farthest reducing noise and complete machine are shaken Dynamic, the vibration frequency of motor is adjusted by control system 1, and the frequency determined is tested according to parameter optimization and is configured.Entablature two There is directive wheel 24 at end, thus limit the level of excitation system to displacement, can only make vertically movable along the side groove of reaction frame 2.Pressure The exciting force of the pressure of force snesor real-time Transmission cylinder 3 and vibrating motor 4, controls to refer to for experiment parameter.

Asphalt of the present invention vibrates the rotary compactor course of work：Start incubator 25, according to set time and Temperature is incubated to seaming chuck 6, push-down head 9 and cylinder mould 7；Booster air pump 28, makes in cylinder 3 stable gas pressure in design load；Take out and protect Cylinder mould 7 after temperature, it is rapid and uniformly load asphalt, plug and pound stipulated number with tamper；Cylinder mould 7 is screwed in into spinning chassis 12 It is suitable for reading, push-down head 9 is propped up movable floor 8 completely, shut insulation chamber door；Start cylinder 3, seaming chuck 6 is pressed into cylinder mould 7 It is interior, and asphalt upper surface is pushed down, if the initial pressure value that first pressure meter 5 is measured is less than design load, control program Air pressure in automatic start air pump 28, increase cylinder 3, until meeting asphalt initial pressure requirement；Control program, which starts, shakes Dynamic motor 4, and adjust automatically excited frequency, make the exciting pressure peak that first pressure meter 5 is measured reach design load；Triple motion The measuring staff of meter 36 is connected to the catch being fixed on depression bar 29, when its asphalt compression ratio measured is less than setting value, control Processing procedure sequence closes vibrating motor 4 automatically；Start slow speed motor 19, the rotate counterclockwise of jacking device 20, jacking are driven by chain 22 The lower external thread of device 20 is engaged with the internal thread for the sleeve 21 being fixed on machine frame, jacking device 20 with rotate counterclockwise to It is raised, so that pushing tow rotating mechanism 13 and swing bolster fixed thereon 30 and roller 15 rise together；Roller jack-up spinning Circumference is prevented outside the jack-up point of roller 15 to uniform high strong spring between the edge on chassis 12, but spinning chassis 12 and crossbeam 27 Position lift so that the first displacement meter 10 and second displacement meter 11 produce difference, program calculates spinning chassis 12 accordingly The inclination angle that the cylinder mould 7 of upper fixation is produced, as shown in the gyratory compaction schematic diagram of accompanying drawing 2, when inclination angle reaches setting value, controls journey Sequence is automatically stopped slow speed motor 19；Motor 17 starts immediately, drives rotating mechanism 13 to rotate by worm decelerating machine 18, makes roller 15 make circumference to rolling along the bottom surface outer rim of spinning chassis 12, so that spinning chassis 12 circumferentially rises and falls up and down, are socketed thereon Cylinder mould 7 is circumferentially waved；Due to seaming chuck 6 and push-down head 9 in level to there is certain free degree, but vertically constrain cylinder mould The vertical deformation of asphalt in 7, so that waving for cylinder mould 7 makes asphalt be acted on by enforceable rubbing；Rolling Take turns 15 rolling circumference number of times and recorded by counting 16, reach that control program is automatically stopped motor 17 after setting number of times；Program immediately Start slow speed motor 19 make the dextrorotation of jacking device 20 transfer decline, spinning chassis 12 spring compression restoring force effect under by Gradually recover level, stop slow speed motor 19 when the first displacement meter 10 is equal with the measured value of second displacement meter 11；Asphalt mark Quasi- specimen molding terminates, and rotates cylinder mould 7 and takes out, and is stripped, is tested for Specifications after after test specimen cooling.

Standard specimen size as defined in the related code of the dimension reference of cylinder mould 7, it is plasticOr's Asphalt cylinder test specimen, its Fabrication parameter can refer to《Highway engineering pitch and Asphalt Mixture Experiment code》(JTG E20-2011 T0736 relevant regulations in).Seaming chuck 6 as shown in Figure 9, Figure 10, has two kinds of sizes with specimen size, detachable In grease injection in the lower end of depression bar 29, the cavity on pressure head chassis, depression bar has certain horizontal sliding free degree in the cavity of chassis, by This, in spinning compacting process, cylinder mould 7 is integral inclined (as shown in Figure 4), and seaming chuck can maintain test specimen upper surface level, while energy Suitable level is to the need for displacement；Push-down head 9 has the construction similar to seaming chuck 6.Seaming chuck 6, movable floor 8, push-down head 9 And cylinder mould 7 is manufactured using steel, Rockwell hardness is preferably HRC48-HRC57, and it should smooth (roughness with compound contact surface Ra0.4μm)。Die trial internal diameter is 149.90~150.00mm,Die trial internal diameter is 99.90~100.00mm, Highly it is not less than 250mm.Seaming chuck 6, movable floor 8, the outer diameter dimension of push-down head 9 be 149.50~ 149.75mm,Seaming chuck 6, movable floor 8, the outer diameter dimension of push-down head 9 are 99.50~99.75mm.With cylinder mould 7 Spring 31 of the spinning chassis 12 of socket by be uniformly distributed along the circumference 8 or more than 8 is hung on middle cross beam 27, stainless steel spring Compression restoring force cause spinning chassis 12 to recover initial position, and the first displacement meter of position 10 and the measured displacement of second displacement meter 11 Inclination angle for calculating die trial in spinning process.

Motor 17 drives worm decelerating machine 18, and the teeth groove of the bottom institute band of rotating mechanism 13 is meshed with reductor chain wheel. Support rod 33 is through the middle part of swing bolster 30 and connects push-down head 9, and second pressure meter 14 and roller are installed in the one end of swing bolster 30 15.Rotating mechanism bottom is socketed on jacking device 20, and the lower external thread of jacking device 20 is connected with female sleeve 21, sleeve 21 are connected by chain 22 with slow speed motor 19, and jacking process drives by slow speed motor, relative with sleeve 21 by jacking device 20 Rotate and top lift is provided, the start and stop of jacking process survey data by the first displacement meter 10, second displacement meter 11 and calculate control.Rolling Wheel 15 is circled with rotating mechanism, and jacking spinning chassis 12 makes die trial run-off the straight, and lift-up pressure is by second pressure meter 14 tests, thus calculate the gyratory compaction shearing force suffered by test specimen.

The incubator 25 has heating and function of temperature control, has glass window, it is ensured that in asphalt forming process Without temperature loss.

The present invention, to the mechanism of action of bituminous paving, integrates exciting with rubbing with the hands based on vibration steel roller and rubber-tyred roller Rub and act on and design asphalt vibration rotary compactor of the present invention；With rotating mechanism and jacking device, to spinning chassis Tilted with cylinder mould formation circumferential cycle, and recover spinning chassis position by spring, this mechanism can produce rubbing effect to sample, Mechanism is constituted and operation logic is simple and clear；Spinning process can maintain the stable anglec of rotation, and can test the spinning suffered by test specimen Shearing force, is easy to evaluate different pitches compound mechanical property.

The present invention is comprehensive based on the mechanism that rolls that steel roller and rubber-tyred roller are vibrated in construction process of asphalt pavement Exciting is acted on rubbing, and takes into account the pressure in test specimen compacting process, rotational shear and anglec of rotation control, its institute's band insulating box Temperature requirement in energy effective guarantee asphalt forming process；The vibrating motor side force being arranged symmetrically is cancelled out each other, and is subtracted Small double swerve, farthest reducing noise and complete machine oscillation；Compacting process is controlled by director demon, by pressure, Excited frequency, rotational shear, anglec of rotation etc. survey the optimization and integration of parameter, conscientiously the compacting process of fitting job site.

The live steel roller of energy construction simulation and rubber-tyred roller of the invention are to asphalt exciting and the pressure of rubbing Real forming process, the standard cylinder test specimen of shaping can enter the physical mechanics properties such as line density, porosity, stability, cleavage strength Can experiment.

Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic； And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (8)

1. a kind of asphalt vibrates rotary compactor, it is characterised in that including：Cylinder mould for holding asphalt (7), be provided with cylinder mould (7) for respectively from upper and lower surfaces extrude cylinder mould (7) interior asphalt seaming chuck (6) and under Pressure head (9)；The seaming chuck (6) is connected with the upper drive device that driving seaming chuck (6) moves up and down, depression bar by depression bar (29) (29) exciting device for driving seaming chuck (6) vibration is additionally provided with；Driving cylinder mould (7) is installed below the cylinder mould (7) to do The device that rotates and knead of circumference tilt rotary motion；The exciting device includes：Entablature (26), entablature (26) socket On depression bar (29), the block (32) glided for preventing entablature (26) from continuing is fixed with depression bar (29), in entablature (26) vibrating motor (4) is fixed with, the vibrating motor (4) is that symmetry axis distribution is fixed on entablature (26) with depression bar (29) Both sides, directive wheel (24) is respectively arranged with the two ends of entablature (26), two directive wheels (24) are respectively along long rails It can slide up and down；The upper drive device includes：Cylinder (3), cylinder (3) is connected with one end of depression bar (29), its other end with Seaming chuck (6) is fixedly connected.

2. asphalt according to claim 1 vibrates rotary compactor, it is characterised in that the device that rotates and knead Including：It is fixed on that be provided with below the spinning chassis (12) below cylinder mould (7), the spinning chassis (12) being capable of pushing tow spinning Do the rotary lifting device of circumferentially periodic undulations in the edge on chassis (12).

3. asphalt according to claim 2 vibrates rotary compactor, it is characterised in that the rotary lifting device Including：Middle cross beam (27), spinning chassis (12), spherical end pull bar (35), roller (15), swing bolster (30), spring (31)；

The two ends of wherein the middle cross beam (27) are fixed on the both sides of reaction frame (2), and a circle is provided with the center of middle cross beam (27) Hole (271), centered on the circular hole (271), is circumferentially evenly distributed with some first tie rod holes on middle cross beam (27), and this One tie rod hole includes a semi-circular recesses (2721) and is arranged on the through hole (2722) of semi-circular recesses (2721) bottom；

The spinning chassis (12) includes bottom plate (121), centering connection steel cylinder (122), top pressure ring (123), the bottom plate (121) Be provided centrally with support rod set hole (124)；The centering connection steel cylinder (122) is removably secured installed in bottom plate (121) Center, top pressure ring (123) be arranged on centering connection steel cylinder (122) top edge and centering；On the circumference of bottom plate (121) It is provided with the second tie rod hole (125) corresponding with the first pull bar hole site；

The spinning chassis (12) centering connection steel cylinder (122) bottom through middle cross beam (27) circular hole after with bottom plate (121) It is fixedly connected；Internal thread is provided with the inside of top pressure ring (123), the bottom of cylinder mould (7) is provided with external screw thread, cylinder mould (7) bottom External screw thread is screwed with top pressure ring (123) internal thread, so as to realize that cylinder mould (7) is fixed together with spinning chassis (12)；

The spherical end pull bar (35) for being cased with spring (31) is connected to by first tie rod hole with the second tie rod hole (125) Between middle cross beam (27) and spinning chassis (12)；Support rod (33) passes through the supporting rod set hole (124) of the spinning chassis (12) It is fixedly connected afterwards with push-down head (9)；The swing bolster (30) is arranged on the lower section of spinning chassis (12), and roller (15) is fixed on One end of swing bolster (30), the wheel contact of the roller (15) is on the bottom surface at spinning chassis (12) edge, roller (15) Moved in a circle with the rotation of swing bolster (30).

4. asphalt according to claim 3 vibrates rotary compactor, it is characterised in that under swing bolster (30) Side is fixed with the rotating mechanism (13) of its rotation of driving, and rotating mechanism (13) is socketed on supporting by the first needle bearing (131) On bar (33), the lower periphery of rotating mechanism (13) is provided circumferentially about teeth groove, the chain wheel of the teeth groove and worm decelerating machine (18) Occlusion, worm decelerating machine (18) is driven by motor (17).

5. asphalt according to claim 4 vibrates rotary compactor, it is characterised in that also including being arranged on rotation Jacking apparatus below crossbeam (30), the jacking apparatus includes：Jacking device (20), sleeve (21), chain (22), slow speed motor (19)；

The jacking device (20) is arranged on below rotating mechanism (13) and is socketed in support rod by the second needle bearing (202) (33) on, thrust ball bearing (203) is provided between jacking device (20) and rotating mechanism (13)；

The bottom of jacking device (20) is provided with a round boss (204), the round boss (204) and is provided with external screw thread, sleeve (21) internal thread is provided with, the external screw thread of round boss (204) is engaged in the internal thread of sleeve (21)；

Sleeve (21) is fixed on sill (37)；

The top peripheral of jacking device (20) is provided with chain wheel (201), chain (22) and the chain wheel (201) of jacking device (20) periphery Engagement, chain (22) drives it to be driven by slow speed motor (19).

6. rotary compactor is vibrated according to any described asphalts of claim 1-5, it is characterised in that in depression bar (29) On first pressure meter (5) and the 3rd pressure gauge (36) are installed, the first pressure meter (5) be arranged on entablature (26) and seaming chuck (6) between, the exciting force that constant pressure and vibrating motor (4) for measuring and controlling cylinder (3) application apply；3rd pressure Count (36) to be arranged on reaction frame (2), the vertical displacement amount for measuring depression bar (29).

7. asphalt according to claim 6 vibrates rotary compactor, it is characterised in that in spinning chassis (12) Two ends set the first displacement meter (10), second displacement meter (11) respectively, and first displacement meter (10), second displacement meter (11) exist Spinning chassis (12) it is same diametrically, for calculate cylinder mould (7) generation inclination angle.

8. asphalt according to claim 6 vibrates rotary compactor, it is characterised in that the lower section in roller (15) It is provided with by calculating asphalt in tilting procedure based on the second pressure of suffered horizontal shear force (14)；In roller (15) Side be provided with for recording the counter (16) that roller (15) is turn-taked several.