CN100427917C - Indoor asphalt mixture rotating and vibrating compactor - Google Patents
Indoor asphalt mixture rotating and vibrating compactor Download PDFInfo
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- CN100427917C CN100427917C CNB2005100430301A CN200510043030A CN100427917C CN 100427917 C CN100427917 C CN 100427917C CN B2005100430301 A CNB2005100430301 A CN B2005100430301A CN 200510043030 A CN200510043030 A CN 200510043030A CN 100427917 C CN100427917 C CN 100427917C
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Abstract
The present invention relates to an indoor asphalt mixture rotating and vibrating compactor. Guide rods or slide rails are arranged on the left and the right of a machine frame, wherein vibrating systems are arranged on the guide rods; each vibrating system comprises an upper vehicle mechanism and a lower vehicle mechanism connected with the upper vehicle mechanism. The upper end of the machine frame is provided with a hand wheel shaft of which the upper end is connected with a hand wheel and the lower end is connected with a hook; both ends of a wire rope are fixedly connected with the upper vehicle mechanism, and the middle part is hung with the hook; a motor frame and a support post connected with a rotary chassis is arranged at the bottom of the machine frame; a motor is arranged on the motor frame and is connected with the rotary chassis through a transmission mechanism; a test piece mould base with a test piece mould is arranged on the rotary chassis; a support rod for a heat insulating sleeve cylinder is arranged on the machine frame; a heat insulating sleeve cylinder arranged on the support rod for a heat insulating sleeve cylinder is arranged outside the test piece mould. The present invention has the advantages of reasonable design, high efficiency, the same structure of made asphalt mixture test pieces and asphalt roads, etc. The present invention can be used for making asphalt mixture test pieces in the design test for the asphalt roads.
Description
Technical field
The invention belongs to the making in road or other similar structures paving, machine, instrument or the utility appliance technical field of reparation usefulness, be specifically related to indoor asphalt mixture rotating and vibrating compactor.
Background technology
Bituminous pavement is the main type of China's highways at different levels, and to the end of the year 2003, the highway in China total kilometrage has been broken through 1,800,000 kilometers, and wherein bituminous pavement reaches 1,300,000 kilometers.In the design process of bituminous pavement, need combination, each Laminate construction thickness between each structural material composition of consideration asphalt roads, the structural sheet, to guarantee that asphalt roads has enough load-bearing capacitys under various environmental baselines, to satisfy the requirement of traffic load.Wherein the reasonable material mixture ratio of asphalt directly has influence on the overall performance and the serviceable life of asphalt roads.Asphalt is made of pitch, different-grain diameter building stones and adjuvant, wherein the proportion of composing of the kind of asphaltic nature, building stones and various materials has a significant impact the pavement performance of asphalt, and well behaved asphalt is the important component part of bituminous pavement.Usually before surfacing, need determine the optimal material proportioning of asphalt by shop experiment.The method of determining is behind the test specimen of indoor moulding different materials proportioning, by its physical and mechanical property of experimental study, finally determines the various aspects of performance best proportioning of asphalt preferably.
Usually main employing vibroll rolls asphalt in the practice of construction of bituminous pavement, and the vibration frequency of vibroll, amplitude, exciting force etc. play a major role to the compaction rate of asphalt.In whole shop experiment process, the making of bitumen mixture specimen has a direct impact test findings, the making of desirable bitumen mixture specimen should be able to be simulated in the practice of construction process vibroll as much as possible to the compaction state of asphalt, makes in the bitumen mixture specimen of indoor making and the practice of construction process to be consistent through the asphalt after the street roller compacting.
Domestic extensive employing marshall compaction instrument is at indoor making bitumen mixture specimen at present.Specifically be that the asphalt behind the heating mix is put into punching block, after the compaction hammer of fixed weight risen to the height of 453.2mm ± 1.5mm, it is freely fallen along guide pole asphalt is hit reality, pro and con respectively hits real 50 times or 70 times, be made into cylindrical bitumen mixture specimen, be used to test the various performances of bitumen mixture specimen, determine the best proportioning of asphalt.But the vibrating compacting of the method for making of this bitumen mixture specimen and practice of construction process is inequality fully, can't simulate actual vibration street roller vibration frequency, amplitude and exciting force variation compacting process to asphalt, also can't the analog vibration facilitation closely knit to asphalt, the textural difference of asphalt is bigger after test specimen inner structure after the shaping and the practice of construction.In addition, in making the test specimen process, the repeated stock compacting will cause the building stones fragmentation in the asphalt, make predetermined aggregate grading change.In addition, the temperature when asphalt is shaped the also forming quality influence to test specimen is bigger, and the marshall compaction instrument does not possess the heat insulation function in the asphalt forming process.When adopting this bitumen mixture specimen to test, can not determine the best proportioning of asphalt.
At present, also has a kind of indoor asphalt mixture compacting equipment that is referred to as rotary compactor, this equipment adopts pneumatic vertical to load, pressure head can be with certain anglec of rotation and rotational speed rotation, and consolidation effect is better than the marshall compaction instrument, but this machine complex structure, belong to the foreign patent product, and cost an arm and a leg, domestic seldom use, and be import.
Summary of the invention
Technical matters to be solved by this invention mainly is to overcome the shortcoming of above-mentioned bitumen mixture specimen making apparatus, provide a kind of reasonable in design, simple in structure, efficient is high, energy consumption is low, the bitumen mixture specimen indoor asphalt mixture rotating and vibrating compactor identical with the asphalt roads structure of easy to use, low price, automaticity height, made.
The technical scheme that solves the problems of the technologies described above employing is: be provided with guide pole or slide rail in the left and right sides of frame, the vibrational system that can move up and down along guide pole or slide rail is set on two guide poles or slide rail, this vibrational system comprise mechanism of car and with the joining down mechanism of car of last mechanism of car, being provided with the upper end in the upper end of frame connects with handwheel, the hand wheel shaft that the lower end connects with hook, the two ends of wire rope are fixedly connected on last mechanism of car, the middle part hangs on the hook, the pillar that is provided with motor frame and connects in the bottom of frame with swivel base, motor frame is provided with motor, motor links by gear train and swivel base, the test piece mould base that test piece mould is installed is set on swivel base, frame is provided with insulation sleeve support bar, and the insulation sleeve that is installed on the insulation sleeve support bar is arranged on the test piece mould periphery.
The mechanism of car of going up of the present invention is: the upper end of pitman shaft is arranged on the spring bearer plate upper and lower end and links with following mechanism of car, be arranged on and be provided with 1 on the last counterweight block of pitman shaft at least and go up balancing weight, between last counterweight block and the spring bearer plate, on be respectively arranged with impact damper between counterweight block and the following mechanism of car.Mechanism of car down of the present invention is: the vibrating motor frame that connects with the pitman shaft lower end is provided with the variant-frequency vibration motor, be arranged with the seaming chuck that the lower end connects with push-down head at the vibrating motor frame, at least be provided with 1 following balancing weight on the seaming chuck, vibrating motor frame and frame are provided with displacement indicator.
Displacement indicator of the present invention comprises and is arranged on the mark post on the vibrating motor frame and is arranged on scale on the frame that the direction of arrow of mark post is pointed to scale.
Seaming chuck of the present invention is the steel seaming chuck.Push-down head of the present invention is nylon or plastics or bakelite flexible material push-down head.
Impact damper of the present invention is a spring.
Gear train of the present invention is a belt or for speed-changing gear box or for the sprocket chain strip transmission mechanism.
The present invention adopts the vibrating compacting principle that asphalt is carried out compacting, the work progress of simulation asphalt roads carries out compacting by vibroll to asphalt in the compacting process, the rotation of employing punching block, the weight of regulating balancing weight realizes adjusting amplitude and the vibration frequency in the vibration processes, and muff can guarantee to make the temperature-resistant of bitumen mixture specimen process medium pitch compound.That the present invention has is reasonable in design, simple in structure, efficient is high, energy consumption is low, the bitumen mixture specimen and the equal mutually advantage of asphalt roads structure of easy to use, low price, automaticity height, made, is used in the design experiment of asphalt roads and makes bitumen mixture specimen.
Description of drawings.
Fig. 1 is the one embodiment of the invention front view.
Fig. 2 is the left view of Fig. 1.
Embodiment
The present invention is described in more detail below in conjunction with drawings and Examples, but the invention is not restricted to these embodiment.
At Fig. 1, in 2, the indoor asphalt mixture rotating and vibrating compactor of present embodiment is by handwheel 1, hook 2, wire rope 3, spring bearer plate 4, spring 5, last balancing weight 6, vibrating motor frame 7, variant-frequency vibration motor 8, mark post 9, scale 10, following balancing weight 11, seaming chuck 12, test piece mould 13, test piece mould base 14, swivel base 15, motor 16, pillar 17, motor frame 18, frame 19, belt 20, insulation sleeve support bar 21, insulation sleeve 22, push-down head 23, last counterweight block 24, guide pole 25, pitman shaft 26, hand wheel shaft 27, driving pulley 28 connects formation.
In the left and right sides of frame 19 guide pole 25 is installed, also slide rail can be installed, upper end in frame 19 is equipped with hand wheel shaft 27 by thread connection, on the hand wheel shaft 27 with the screw threads for fastening connector handwheel 1 that has been fixedly connected, hook 2 is installed in the lower end of hand wheel shaft 27, the middle part of wire rope 3 hangs on the hook 2, and the two ends of wire rope 3 and last mechanism of car link.The last mechanism of car of present embodiment is by spring bearer plate 4, spring 5, last balancing weight 6, last counterweight block 24, pitman shaft 26 connects formation, the two ends of spring bearer plate 4 are sleeved on outside the guide pole, spring bearer plate 4 can move up and down along guide pole 25, the two ends of wire rope 3 are fixedly connected on the spring bearer plate 4, the upper end of pitman shaft 26 is fixedly connected on the center of spring bearer plate 4 with the screw threads for fastening connector, the lower end links by screw thread and following mechanism of car, in the outer cover of pitman shaft 26 counterweight block 24 is housed, last counterweight block 24 can move up and down in pitman shaft 26 outsides, on last counterweight block 24, be placed with balancing weight 6, between last balancing weight 6 and spring bearer plate 4, pitman shaft 26 outer putting are equipped with spring 5 between last balancing weight 6 and the following mechanism of car, spring 5 is used for the damping of mechanism of car on the analog vibration street roller, spring 5 is an embodiment of impact damper, also other impact dampers can be installed, as bydraulic buffers, pneumatic buffer, vibration damper steel plate.The following mechanism of car of present embodiment is by vibrating motor frame 7, variant-frequency vibration motor 8, mark post 9, scale 10, following balancing weight 11, seaming chuck 12, push-down head 23 connects formation, vibrating motor frame 7 usefulness screw threads for fastening connectors are fixedly connected in the lower end of pitman shaft 26, be fixedly connected with the screw threads for fastening connector on the vibrating motor frame 7 variant-frequency vibration motor 8 is installed, variant-frequency vibration motor 8 is used to produce the exciting force of different sizes, right side on vibrating motor frame 7 is fixedly connected with the screw threads for fastening connector mark post 9 is installed, the direction of arrow of mark post 9 is pointed to the scale 10 that is installed on the frame 19, mark post 9 and scale 10 constitute the displacement indicator of present embodiments, also available other displacement indicator, move indicator as digit order number, displacement indicator is used to indicate the height of the bitumen mixture specimen of made, be fixedly connected with the screw threads for fastening connector on vibrating motor frame 7 times seaming chuck 12 is installed, the seaming chuck 12 of present embodiment is the steel seaming chuck, on seaming chuck 12, can fix balancing weight 11 down, the weight of last balancing weight 6 and following balancing weight 11 and number should be determined according to the required static pressure size of test, the last balancing weight 6 of present embodiment is 4, following balancing weight 11 is 3, on the lower surface of seaming chuck 12, be fixedly connected push-down head 23 is installed with the screw threads for fastening connector, the push-down head 23 of present embodiment is a flexible nylon material push-down head, also available plastics, vulcanie or bakelite push-down head, push-down head 23 makes and is unlikely to the crushing of the building stones in the asphalt is helped simulating the kneading action of actual vibration street roller to asphalt when making bitumen mixture specimen.Last mechanism of car, following mechanism of car connect formation vibrational system of the present invention.Rotate handwheel 1, hand wheel shaft 27 moves up and down, hand wheel shaft 27 by link up with 2 and wire rope 3 pulling vibrational systems move up and down along guide pole 25.Being fixedly connected with the screw threads for fastening connector in the bottom of frame 19 is equipped with motor frame 18, is installed with pillar 17 in the bottom of frame 19 by thread connection, and swivel base 15 is installed on the pillar 17.On motor frame 18, be fixedly connected motor 16 is installed with the screw threads for fastening connector, be fixedly connected with connector on the output shaft of motor 16 driving pulley 28 is installed, belt 20 is installed on driving pulley 28 and the swivel base 15, motor 16 rotations, by belt 20 driven rotary chassis, 15 rotations, driving pulley 28 and belt 20 constitute belt gear, also available speed-changing gear box or the transmission of sprocket chain strip transmission mechanism.Test piece mould base 14 is installed on swivel base 15, be installed with test piece mould 13 on the test piece mould base 14, test piece mould 13 is used to make bitumen mixture specimen, test piece mould 13 is driven by belt gear by motor 16 and rotates, simulation actual vibration street roller is to the kneading action of asphalt, in addition the consistance of height on the gyratory compaction cylindrical bitumen mixture specimen all directions that help guaranteeing to be compacted.Frame 19 inboard being fixedly connected insulation sleeve support bar 22 is installed with the screw threads for fastening connector, on the insulation sleeve support bar 22 heat-preservation cylinder 21 is installed, heat-preservation cylinder 21 is positioned at the periphery of test piece mould 13, and heat-preservation cylinder 21 is used in shaping bitumen mixture specimen process asphalt being incubated.
In the present embodiment, last counterweight block 24 is provided with balancing weight 6 on 1, is placed with 1 following balancing weight 11 on seaming chuck 12.The connecting relation of other parts and parts is identical with embodiment 1.
The course of work of the present invention is as follows:
By rotating handwheel 1 vibrational system is risen to certain height, take off test piece mould 13 and test piece mould base 14.
When making bitumen mixture specimen, the operator packs the asphalt (130～140 ℃) that mixes in the test piece mould 13, and asphalt, mould 13, test piece mould base 14 are placed on the swivel base 15.Connect insulation sleeve 22 circuit, the asphalt in 22 pairs of test piece moulds of insulation sleeve 13 carries out heat tracing.
Vibration frequency, adjustments of setting vibrating motor 8 according to the forming requirements of bitumen mixture specimen go up balancing weight 6, down balancing weight 11 quantity and pass through the decrement of the screw element adjustment spring 5 on the regulating spring pressing plate 4.The quantity of last balancing weight 6, following balancing weight 11 and the decrement of spring 5 can change static pressure and the amplitude in the vibrating compaction process.Rotate handwheel 1 vibrational system descended, until push-down head 23 touch the asphalt in the test piece mould 13 and will link up with 2 and wire rope 3 unclamp.
After no problem on inspection, connect the circuit of variant-frequency vibration motor 8, variant-frequency vibration motor 8 produces vibration according to certain frequency, owing to be subjected to the constraint of guide pole 25, the vibration of vibrating motor frame 7 in the vertical directions makes seaming chuck 12 and push-down head 18 produce vibration, and asphalt vibrating compacting is become bitumen mixture specimen, in vibration processes, the vibration frequency of seaming chuck 12 and push-down head 18 can change by the frequency of regulating variant-frequency vibration motor 8.
After vibrating compacting begins, connect the circuit of motor 16, motor 16 entrys into service are rotated by belt 20 driven rotary chassis 15, and swivel base 15 drives 14 rotations of test piece mould base makes test piece mould 13 rotate.The height of test specimen can be determined with the relative position of scale 10 by the mark post 9 of vibrational system in the vibrating compaction process, examine the mark post 9 of vibrational system and the relative position of scale 10 in the vibration processes, after determining that bitumen mixture specimen reaches the compacting height, close motor 16 earlier, swivel base 15 is stopped the rotation, close variant-frequency vibration motor 8 switches then and stop vibrating compacting.
After bitumen mixture specimen is made, the operator turns handwheel 1, vibrational system is promoted to certain altitude, take off insulation sleeve 22 earlier, again mould 13, test piece mould base 14 are together unloaded together with the good bitumen mixture specimen that is shaped, behind the mold removal 13, bitumen mixture specimen is deviate from stripper.
The present invention produces rotation and insulation by vibration frequency, amplitude and static pressure and the asphalt of regulating in the vibrating compaction process in vibrating compaction process, simulated of the compaction of actual vibration street roller effectively to asphalt, avoided in the bitumen mixture specimen forming process building stones crushed, make indoor shaping bitumen mixture specimen inner structure as much as possible with the compacting of actual vibration street roller after asphalt be consistent, make laboratory test results more representative, asphalt mixture material is formed proportion design have vital role.
Claims (5)
1, a kind of indoor asphalt mixture rotating and vibrating compactor, it is characterized in that: be provided with guide pole (25) or slide rail in the left and right sides of frame (19), the vibrational system that can move up and down along guide pole (25) or slide rail is set on two guide poles (25) or slide rail, this vibrational system comprise mechanism of car and with the joining down mechanism of car of last mechanism of car, being provided with the upper end in the upper end of frame (19) connects with handwheel (1), the hand wheel shaft (27) that the lower end connects with hook (2), the two ends of wire rope (3) are fixedly connected on last mechanism of car, the middle part hangs on the hook (2), the pillar (17) that is provided with motor frame (18) in the bottom of frame (19) and connects with swivel base (15), motor frame (18) is provided with motor (16), motor (16) links by gear train and swivel base (15), go up the test piece mould base (14) that setting is equipped with test piece mould (13) at swivel base (15), frame (19) is provided with insulation sleeve support bar (21), and the insulation sleeve (22) that is installed on the insulation sleeve support bar (21) is arranged on test piece mould (13) periphery;
Above-mentioned last mechanism of car is: the upper end of pitman shaft (26) is arranged on spring bearer plate (4) upper and lower end and links with following mechanism of car, be arranged on and be provided with 1 on the last counterweight block (24) of pitman shaft (26) at least and go up balancing weight (6), between last counterweight block (24) and the spring bearer plate (4), be respectively arranged with impact damper between last counterweight block (24) and the following mechanism of car; Said mechanism of car down is: the vibrating motor frame (7) that connects with pitman shaft (26) lower end is provided with variant-frequency vibration motor (8), be arranged with the seaming chuck (12) that the lower end connects with push-down head (23) at vibrating motor frame (7), at least be provided with 1 following balancing weight (11) on the seaming chuck (12), vibrating motor frame (7) and frame (19) are provided with displacement indicator.
2, according to the described indoor asphalt mixture rotating and vibrating compactor of claim 1, it is characterized in that: said displacement indicator comprises the mark post (9) that is arranged on the vibrating motor frame (7) and is arranged on scale (10) on the frame (19) that the direction of arrow of mark post (9) is pointed to scale (10).
3, according to the described indoor asphalt mixture rotating and vibrating compactor of claim 1, it is characterized in that: said seaming chuck (12) is the steel seaming chuck; Said push-down head (23) is nylon or plastics or bakelite flexible material push-down head.
4, according to the described indoor asphalt mixture rotating and vibrating compactor of claim 1, it is characterized in that: said impact damper is spring (5).
5, according to the described indoor asphalt mixture rotating and vibrating compactor of claim 1, it is characterized in that: said gear train is a belt (20) or for speed-changing gear box or for the sprocket chain strip transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100430301A CN100427917C (en) | 2005-07-29 | 2005-07-29 | Indoor asphalt mixture rotating and vibrating compactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100430301A CN100427917C (en) | 2005-07-29 | 2005-07-29 | Indoor asphalt mixture rotating and vibrating compactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1731129A CN1731129A (en) | 2006-02-08 |
| CN100427917C true CN100427917C (en) | 2008-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100430301A Expired - Fee Related CN100427917C (en) | 2005-07-29 | 2005-07-29 | Indoor asphalt mixture rotating and vibrating compactor |
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| CN (1) | CN100427917C (en) |
Families Citing this family (14)
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| CN101299039B (en) * | 2008-04-16 | 2012-01-11 | 河南高远公路养护设备股份有限公司 | Asphalt mixture die setting molding experiment instrument |
| CN101750271B (en) * | 2008-12-17 | 2011-06-29 | 交通部公路科学研究院 | Coarse aggregate void test equipment |
| CN101587037B (en) * | 2009-07-06 | 2012-11-28 | 招商局重庆交通科研设计院有限公司 | Ejection mechanism of asphalt mixture rotary compactors |
| CN101620040B (en) * | 2009-07-06 | 2014-06-25 | 招商局重庆交通科研设计院有限公司 | Gyratory compactor for fabricating test piece of asphalt road material |
| CN103134712B (en) * | 2013-02-06 | 2015-06-24 | 长安大学 | Vertical vibrating forming method applicable to bituminous mixture test piece with aggregate nominal maximum particle size less than 26.5mm |
| CN103162999B (en) * | 2013-02-06 | 2015-06-24 | 长安大学 | Vertical vibration thermoforming method suitable for bituminous mixture test piece with maximum particle size of aggregate indicated larger than or equal to 26.5mm |
| CN105666582A (en) * | 2014-08-27 | 2016-06-15 | 朱保生 | Dumbbell piece for wires and cables and production method of dumbbell piece |
| CN105619512A (en) * | 2014-08-27 | 2016-06-01 | 朱保生 | Dumbbell sheet for electric wires and cables and manufacturing method thereof |
| CN104729898B (en) * | 2015-03-07 | 2017-10-20 | 盐城工学院 | Asphalt vibrates rotary compactor |
| CN105538769B (en) * | 2016-01-15 | 2017-03-22 | 广西交通职业技术学院 | Vibrating and rotary compacting tester for preparing semi-flexible composite pavement structural test piece |
| CN105424447B (en) * | 2016-01-24 | 2018-06-29 | 吉林大学 | A kind of soil compaction device |
| CN105954076B (en) * | 2016-04-28 | 2019-02-12 | 西安科技大学 | A kind of modelling system for physical simulation experiment |
| CN107631922B (en) * | 2017-10-19 | 2024-02-27 | 长安大学 | Cold regeneration bituminous mixture pressure health preserving case |
| CN110793828A (en) * | 2019-11-19 | 2020-02-14 | 桂林理工大学 | Road material rotary vibration compaction instrument |
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| JPH07239329A (en) * | 1994-02-25 | 1995-09-12 | Nikken Kk | Device for producing test sample of asphalt mixture |
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| CN1731129A (en) | 2006-02-08 |
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