CN106182546A - The former of a kind of gyratory compaction square piece and forming method - Google Patents
The former of a kind of gyratory compaction square piece and forming method Download PDFInfo
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- CN106182546A CN106182546A CN201610534619.XA CN201610534619A CN106182546A CN 106182546 A CN106182546 A CN 106182546A CN 201610534619 A CN201610534619 A CN 201610534619A CN 106182546 A CN106182546 A CN 106182546A
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- Prior art keywords
- former
- gyratory compaction
- pressure plate
- rut
- square piece
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/04—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/04—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
- B29C2043/043—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds rotating on their own axis without linear displacement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The present invention discloses former and the forming method of a kind of gyratory compaction square piece, and bottom is provided with rut mould, is provided with rotary pressure plate on the top of described rut mould, and described rotary pressure plate bottom surface is the plate face of level；Described rotary pressure plate center is double-deck structure that raises up, and bulge-structure upper strata has snap openings, and bulge-structure lower floor has lower snap openings, and described lower snap openings is used for fixing pressure head, connects rotation deflection wheel and hydraulic pressure sleeve pipe in described upper snap openings nesting snap ring；Described rotation deflection wheel top excircle is provided with gear.The former of the gyratory compaction square piece of the present invention is by gyratory compaction molding mode, improve the forming process of square asphalt further, cause, during reducing conventional wheel roller-compaction, the breakage that linearly isolates and gather materials, more accurately control molding thickness i.e. compactness；Surrounding at rut mould uses fillet design, and rotary pressure plate can be avoided to cause stress to concentrate in rubbing forming process.
Description
Technical field
The present invention relates to a kind of former and the method for road engineering asphalt material, particularly relate to a kind of gyratory compaction
The former of square piece and forming method.
Background technology
Along with the increase year by year of traffic density on road, the path problem such as road rut, freeze thawing, Moisture Damage is day by day obvious,
Serious early damage occurs.Research finds that the main cause of these early damages of generation is the raising of standard axle load, the volume of traffic
Quickly increase and the deterioration of weather conditions.In order to reduce the early damage of bituminous paving, improve asphalt pavement condition, launch to adjust
Looking into, research finds that Marshall Asphalt Mixture Design method is difficult to meet the needs of current situation of traffic, it is therefore necessary to mix Colophonium
Close material method for designing and make further research.
Wherein asphalt mixture design uses the forming method of gyratory compaction to become the standard forming mode of superpave, passes through
Can preferably obtain test test specimen to the rubbing of compound is extruded, reason is as follows: 1, rubbing molding simulation road surface is real
Border compacting process；2, rubbing molding can reduce gather materials broken and the gradation differentials that causes；3, molding mode can be more preferable
Control overall compactness.But at present, the forming method of gyratory compaction is only applied to circular test specimen, carries out square test specimen for needs
Test, as more in the molding of high-temperature rutting test, low-temperature bending beam test etc. depends on traditional roller-compaction, easily causes linear
Isolation, edge building stones cracky, directly affect final molding effect.
Because the defect that above-mentioned existing square specimen molding exists, the present inventor is based on being engaged in this type of product design system
Make for many years abundant practical experience and Professional knowledge, and coordinate the utilization of scientific principle, the most in addition research and innovation, to founding one
The former of Novel rotary compacting square piece and forming method.It is made to have more practicality.Through constantly research, design,
And after repeatedly studying sample and improving, finally create the present invention having practical value.
Summary of the invention
Present invention is primarily targeted at, overcome the defect that existing square specimen molding exists, and provide a kind of novel
The former of gyratory compaction square piece and forming method, it is to avoid linearly isolate, edge is easily broken, thus more suitable for reality
With, and there is the value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.Propose according to the present invention
The former of gyratory compaction square piece, bottom is provided with rut mould, and the top of described rut mould is provided with rotation
Pressing plate, described rotary pressure plate bottom surface is the plate face of level；Described rotary pressure plate center is double-deck structure that raises up, protruding knot
Structure upper strata has snap openings, and bulge-structure lower floor has lower snap openings, and described lower snap openings is used for fixing pressure head, described upper card
Rotation deflection wheel and hydraulic pressure sleeve pipe is connect in nesting of healing up snap ring；Described rotation deflection wheel excircle is provided with gear, gear and hydraulic pressure
The shaft shoulder of sleeve pipe (6) is concordant.
Further, the former of aforesaid gyratory compaction square piece, outside the periphery of described rotary pressure plate is provided with
Sheath body, is provided with pin on a diagonal angle of described rotary pressure plate, is provided with spacing on a diagonal angle of described outer shell
Groove, described pin card and in described stopper slot, described outer shell is fixed on rotary pressure plate periphery.
Further, the former of aforesaid gyratory compaction square piece, also set up on the top of described lower snap openings
Pressure head catch, described pressure head catch is had to match with lower snap openings, be fixed in lower snap openings by described pressure head.
Further, the former of aforesaid gyratory compaction square piece, also include displacement transducer, described displacement
Sensor is arranged between described hydraulic pressure sleeve pipe and pressure head, reads the relative distance between hydraulic pressure sleeve pipe and pressure head.
Further, the former of aforesaid gyratory compaction square piece, the yaw motion angle of described rotary pressure plate
It is 0～4 °, is realized the deflection angle of rotary pressure plate by the distance between regulation hydraulic pressure sleeve pipe and pressure head.
The forming method of aforesaid gyratory compaction square piece former, including following operating procedure,
(1) being equipped with asphalt, put in baking oven and be incubated, baking oven preheating put into by rut mould；
(2) ready asphalt is put in rut grinding tool according to the principle in the middle of after first surrounding, present centre
The state that high surrounding is low；
(3) rut mould put in gyratory compaction equipment and decline rotary pressure plate so that rut grinding tool embeds casing
In；
(4) distance between regulation hydraulic pressure sleeve pipe and pressure head, sets the anglec of rotation, simultaneously record pressure head position, if
Putting extraneous jacking apparatus and apply compaction pressure, pneumatic machine starts gyratory compaction circulation；
(5) positional information of displacement transducer real time record pressure head in compacting process, it is achieved gyratory compaction, to rotary pressure plate
Arrive ultimate position；
(6), when rotary pressure plate arrives ultimate position, hydraulic pressure sleeve pipe is pressed down, causes pressure head to shrink, rotary pressure plate
Return to level, complete rut sheet metal forming.
Further, the forming method of aforesaid gyratory compaction square piece former, in described (1), Colophonium mixes
Material holding temperature in an oven is 100～180 DEG C, it is ensured that asphalt takes out during molding from baking oven, unlikely
Decline in temperature and too fast affect gyratory compaction process.
Further, the forming method of aforesaid gyratory compaction square piece former, in described (1), rut grinding tool
Preheating temperature be 110～130 DEG C.
By technique scheme, under the former of the gyratory compaction square piece of the present invention and forming method at least have
Row advantage:
The former of the gyratory compaction square piece of the present invention, by gyratory compaction molding mode, improves square drip further
The forming process of blue or green compound, causes, during reducing roller-compaction, the breakage that linearly isolates and gather materials, more accurately controls into
Type thickness i.e. compactness；Surrounding at rut mould uses fillet design, can avoid rotary pressure plate in rubbing forming process
Stress is caused to concentrate；Casing bottom is spliced mutually with rut grinding tool, prevents asphalt scattering and disappearing in rubbing forming process,
On one of them diagonal of casing, a pair stopper slot is distributed, equipment work process gives rotary pressure plate with suitably
Rotation condition, casing can be that equipment operator provides a preferable safety block simultaneously, can further improve group simultaneously
The rigidity that part is overall；For the square test specimen of molding, not easily causing linear isolation and the breakage of edge building stones, the quality of profiled member obtains
Ensure to effective.The anglec of rotation of rotary pressure plate can realize adjusting constantly, 0～4 ° without pole-change, can complete constant simultaneously
Decline compaction rate and the molding of constant compaction pressure, asphalt moulding process the most widely.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, after describing in detail such as with presently preferred embodiments of the present invention below.
Accompanying drawing explanation
Fig. 1 is rut mould top view；
Fig. 2 is casing perspective view；
Fig. 3 is for rotating deflection wheel perspective view；
Fig. 4 is for rotating deflection wheel front view；
Fig. 5 is rotary pressure plate perspective view；
Fig. 6 is rotary pressure plate front view；
Fig. 7 is pressure head and hydraulic pressure sleeve pipe front view；
Fig. 8 is snap ring perspective view；
Fig. 9 is snap ring front view；
Figure 10 is the former front view of gyratory compaction square piece；
Figure 11 is the former perspective view of gyratory compaction square piece；
Figure 12～15 is gyratory compaction molding process schematic；
Figure 16～18 compacting process schematic diagrams；
Labelling connotation in figure: 1. rut mould, 2. outer shell, 3. stopper slot, 4. rotates deflection wheel, 5. gear, 6. hydraulic sleeve
Pipe, 7. rotary pressure plate, 8. pin, 9. go up snap openings, 10. descend snap openings, 11. plate faces, 12. pressure heads, 13. displacement transducers, 14.
Snap ring, 15. pressure head catch.
Detailed description of the invention
By further illustrating the technological means and effect that the present invention taked by reaching predetermined goal of the invention, to according to this
The former of the gyratory compaction square piece that invention proposes and its detailed description of the invention of forming method, feature and effect thereof, in detail
After illustrating such as.
Embodiment 1
The former of the gyratory compaction square piece of the present invention, structural representation as shown in FIG. 10 and 11, includes rut
Mould 1, outer shell 2, stopper slot 3, rotate deflection wheel 4, gear 5, hydraulic pressure sleeve pipe 6, rotary pressure plate 7, pin 8, upper snap openings 9, under
Snap openings 10, plate face 11, pressure head 12, displacement transducer 13, snap ring 14 and pressure head catch 15.
Wherein the part of asphalt placed when being rut sheet metal forming by rut mould 1, and its top view is as it is shown in figure 1, four
The design of Zhou Caiyong fillet, can avoid rotary pressure plate to cause stress to concentrate in rubbing forming process.
Rut mould 1 is arranged on bottom, be provided with rotary pressure plate 7 on the top of rut mould 1, wherein rotary pressure plate 7
Bottom surface is the horizontal plate face 11 for compacting.
Rotary pressure plate 7 be center be double-deck structure that raises up, bulge-structure upper strata has snap openings 9, protruding knot
The lower floor of structure has lower snap openings 10, and lower snap openings 10 is used for fixing pressure head 12, and the nested snap ring of upper snap openings 9 14 is fixing to be rotated partially
Taking turns the hydraulic pressure sleeve pipe 6 of 4 bottoms, the excircle rotating deflection wheel 4 hydraulic pressure sleeve pipe 6 top is provided with gear 5；Wherein rotary pressure plate 7 is
One of core part of the present invention, major function is to cooperatively form eccentric rotary with snap ring 14 to rub motion, and by this rotation
Rubbing passes to need the asphalt of compacting, the final gyratory compaction process realized functionally.
A diagonal angle of rotary pressure plate 7 is provided with pin 8, a diagonal angle of outer shell 2 is provided with stopper slot
3, blocked and in stopper slot 3 by pin 8, outer shell 2 is fixed on rotary pressure plate 7 periphery.Casing 2 bottom and rut mould
1 phase splicing, primarily serves and prevents asphalt scattering and disappearing, at one of them diagonal angle of casing 2 in rubbing forming process
A pair stopper slot 3 arranged on line, gives rotary pressure plate 7 with suitable rotation condition, casing 2 simultaneously in equipment work process
Can be that equipment operator provides a preferable safety block, can further improve the rigidity that assembly is overall simultaneously.
Be additionally provided with pressure head catch 15 on the top of lower snap openings 10, pressure head catch 15 matches with lower snap openings 10, will
Pressure head 12 is fixed in lower snap openings 10；Displacement transducer 13 is arranged between hydraulic pressure sleeve pipe 6 and pressure head 12, reads hydraulic pressure sleeve pipe
And the relative distance between pressure head.
Pressure head 12 and hydraulic pressure sleeve pipe 6 Main Function are that pressure is transmitted through pressure head by external hydraulic jacking device by hydraulic pressure sleeve pipe
To rotary pressure plate 7, displacement transducer 13 is arranged between hydraulic pressure sleeve pipe 6 and pressure head 12, and the moment reads hydraulic pressure sleeve pipe 6 and pressure head 12
Between relative distance, by the hydraulic oil within hydraulic pressure sleeve pipe 6 flow into and out indirectly control snap ring 14 rotate
Position in deflection wheel 4, thus regulate the rubbing angle of rotary pressure plate 7.Deflection gears 4 nested inside hydraulic pressure sleeve pipe 6, external connection
Snap ring 14, snap ring 14 change of position on hydraulic pressure sleeve pipe 6 can realize the yaw motion of different angles, can realize angle 0～
Electrodeless switching between 4 °.Its nested inside of snap ring 14 rotates deflection wheel 4, and outside matching with rotary pressure plate 7 constitutes spherical hinge about
Bundle, it is achieved the transmission of power.
The forming method of gyratory compaction square piece former, including following operating procedure,
Rut piauzite compound molding is broadly divided into following steps, and quality of asphalt mixtures calculates, asphalt is mixed
With, Colophonium mixing gyratory compaction
A, quality of asphalt mixtures calculate
The selected conventional AC-13 Colophonium mixing of test carries out this test, and specification of gathering materials is as follows, 1# sample: 9.5～
13.2mm；2# sample: 4.75～9.5mm；3# sample: 2.36～4.75mm；4# sample: 0～2.36mm；Colophonium uses SBS to change
Property Colophonium.The various sieve test results gathered materials with breeze are as shown in table 1～3.
Table 1 is various to gather materials and the sieve test result table of breeze
AC-13C mix proportion design and voidage equal-volume index are as follows.
Table 2 aggregate mix proportion and bitumen aggregate ratio
Table 3 optimum oil-stone ratio and density, voidage
Needed for molding, quality of asphalt mixtures M computing formula is as follows:
M=Vc × Gmm×(1-Va)×(1+θ)
In formula: quality of asphalt mixtures needed for M=, kg；
VaSpace percentage rate of the total volume in=compacting compound, can be adjusted according to compactness；
Vc=rut template die plate bulk, general value 0.00446m3；
Gmm=paving mix maximum relative density, g/cm3；
θ=loss factor, general value 2%；
Calculating process is as follows:
M=0.00446 × 2.48 × (1-0.042) × (1+0.02) × 1000=10.8kg
All kinds of raw-material interpolation quality are as shown in the table:
All kinds of raw material qualities needed for shaping test piece
B, asphalt mix and stir
According to mixing of " highway engineering Colophonium and Asphalt Mixture Experiment code " (JTG E20-2011) Asphalt Mixture
Close technique to mix and stir.
(1) will gather materials according to putting into baking oven, aggregate heating temperature 170 DEG C after each raw-material quality weighing.Simultaneously will drip
Green grass or young crops puts into another baking oven, and asphalt heating temperature is 165 DEG C
(2) asphalt agitated kettle is warming up to 165 DEG C.
(3) thickness of heating is gathered materials it is placed in mixer, suitably mix with little scoop；It is subsequently adding the drip needing quantity
Green grass or young crops, starts mixing machine and stirs and make to mix and stir blade and insert mix 1～1.5min in compound；Suspending mix, addition adds
The breeze of heat, continuation mix is to uniformly, and makes asphalt be maintained in the mix temperature range of requirement, during total mix
Between be 3min.
C, Colophonium mixing gyratory compaction
(1) asphalt in mix pot is shoveled out put in pallet and turn, and 160 DEG C of bakings are put in Colophonium mixing
Being incubated 2h in case, 120 DEG C of baking oven preheatings put into by rut grinding tool
(2) mixing of the Colophonium in pallet is put in rut grinding tool according to the principle in the middle of after first surrounding, presents middle Gao Si
The state that week is low.
(3) rut mould put in gyratory compaction equipment and decline rotary pressure plate so that rut grinding tool embeds casing.
(4) distance between regulation hydraulic pressure sleeve pipe and pressure head, is set as 1.25 ° by the anglec of rotation, simultaneously record pressure head institute
In position, arranging extraneous jacking apparatus and apply compaction pressure 700kPa, rotating deflection wheel rotary speed is 30 ± 0.5 revs/min, opens
Movement machine starts gyratory compaction circulation, and cyclic process is as shown in Figure 12～15.
(5) positional information of displacement transducer meeting real time record pressure head in this compacting process, it is possible to achieve two kinds rotate pressure
Real mode, arrives ultimate position with fixing pressure head jacking speed and fixing pressure gyratory compaction to rotary pressure plate.
(6) when arriving ultimate position, hydraulic pressure sleeve pipe is pressed down, causes pressure head to shrink rotary pressure plate and returns to horizontal
State, completes rut plate gyratory compaction process.
The process schematic of whole compacting is as shown in Figure 16～18.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention
Any simple modification, equivalent variations and the modification being made above example, all still falls within the range of technical solution of the present invention.
Claims (8)
1. the former of a gyratory compaction square piece, it is characterised in that: bottom is provided with rut mould (1), at described car
The top of rut mould (1) is provided with rotary pressure plate (7), and described rotary pressure plate (7) bottom surface is the plate face (11) of level；
Described rotary pressure plate (7) center is double-deck structure that raises up, and bulge-structure upper strata has snap openings (9), protruding
Structure bottom has lower snap openings (10), and described lower snap openings (10) is used for fixing pressure head (12), and described upper snap openings (9) is nested
Rotation deflection wheel (4) and hydraulic pressure sleeve pipe (6) is connect in snap ring (14)；Described rotation deflection wheel (4) excircle be provided with gear (5) and with
The shaft shoulder of described hydraulic pressure sleeve pipe (6) is concordant.
The former of gyratory compaction square piece the most according to claim 1, it is characterised in that: at described rotary pressure plate
(7) periphery is provided with outer shell (2), is provided with pin (8), on a diagonal angle of described rotary pressure plate (7) outside described
Being provided with stopper slot (3) on one diagonal angle of sheath body (2), described pin (8) blocks and in described stopper slot (3), outside described
Sheath body (2) is fixed on rotary pressure plate (7) periphery.
The former of gyratory compaction square piece the most according to claim 1 and 2, it is characterised in that: in described lower engaging
The top of mouth (10) is additionally provided with pressure head catch (15), and described pressure head catch (15) is matched, by described with lower snap openings (10)
Pressure head (12) is fixed in lower snap openings (10).
The former of gyratory compaction square piece the most according to claim 1 and 2, it is characterised in that: also include displacement
Sensor (13), institute's displacement sensors (13) is arranged between described hydraulic pressure sleeve pipe (6) and pressure head (12), reads hydraulic pressure sleeve pipe
And the relative distance between pressure head.
The former of gyratory compaction square piece the most according to claim 4, it is characterised in that: described rotary pressure plate (7)
Yaw motion angle be 0 ~ 4 °.
The forming method of gyratory compaction square piece former the most according to claim 1, it is characterised in that: include as follows
Operating procedure,
(1) being equipped with asphalt, put in baking oven and be incubated, baking oven preheating put into by rut mould (1)；
(2) ready asphalt is put in rut grinding tool (1) according to the principle in the middle of after first surrounding, present middle high
The state that surrounding is low；
(3) rut mould (1) put in gyratory compaction equipment and decline rotary pressure plate (7) so that outside rut grinding tool (1) embeds
In valve jacket (2)；
(4) distance between regulation hydraulic pressure sleeve pipe (6) and pressure head (12), sets the anglec of rotation, records pressure head (12) place simultaneously
Position, arranges extraneous jacking apparatus and applies compaction pressure, and pneumatic machine starts gyratory compaction circulation；
(5) positional information of displacement transducer (13) real time record pressure head (12) in compacting process, it is achieved gyratory compaction, to rotating
Pressing plate (7) arrives ultimate position；
(6), when rotary pressure plate (7) arrives ultimate position, hydraulic pressure sleeve pipe (6) is pressed down, causes pressure head (12) to shrink, rotation
Turn pressing plate (7) and return to level, complete rut sheet metal forming.
The forming method of gyratory compaction square piece former the most according to claim 6, it is characterised in that: described (1)
In, asphalt holding temperature in an oven is 100 ~ 180 DEG C.
The forming method of gyratory compaction square piece former the most according to claim 6, it is characterised in that: described (1)
In, the preheating temperature of rut grinding tool (1) is 110 ~ 130 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534619.XA CN106182546B (en) | 2016-07-07 | 2016-07-07 | A kind of former and forming method of gyratory compaction square piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534619.XA CN106182546B (en) | 2016-07-07 | 2016-07-07 | A kind of former and forming method of gyratory compaction square piece |
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| CN106182546B CN106182546B (en) | 2018-07-06 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6026692A (en) * | 1996-10-28 | 2000-02-22 | Brovold; Thomas Emil | Gyratory compaction apparatus for creating compression and shear forces in a sample material |
| US20070017299A1 (en) * | 2003-01-10 | 2007-01-25 | Troxler Electronic Laboratories, Inc. | Gyratory Compactor Apparatus and Associated Devices and Methods |
| CN1945323A (en) * | 2006-09-27 | 2007-04-11 | 泰安市路达公路仪器制造有限公司 | Rotary compactor |
| CN201368821Y (en) * | 2009-03-10 | 2009-12-23 | 彭京武 | Counter-force rotary mechanism with adjustable angle |
| CN102272572A (en) * | 2009-01-09 | 2011-12-07 | 特罗克斯勒电子实验室有限公司 | Gyratory compactor apparatuses and associated methods |
| CN102297812A (en) * | 2011-05-20 | 2011-12-28 | 长安大学 | Torsional shear test device for asphalt pavement material and structure |
| CN104729898A (en) * | 2015-03-07 | 2015-06-24 | 盐城工学院 | Rotary compaction instrument for vibrating asphalt mixture |
| CN105486562A (en) * | 2016-01-18 | 2016-04-13 | 云南公投建设集团有限公司 | Asphalt stabilized cold recycled mixture vibration molding instrument and test piece molding method |
-
2016
- 2016-07-07 CN CN201610534619.XA patent/CN106182546B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6026692A (en) * | 1996-10-28 | 2000-02-22 | Brovold; Thomas Emil | Gyratory compaction apparatus for creating compression and shear forces in a sample material |
| US20070017299A1 (en) * | 2003-01-10 | 2007-01-25 | Troxler Electronic Laboratories, Inc. | Gyratory Compactor Apparatus and Associated Devices and Methods |
| CN1945323A (en) * | 2006-09-27 | 2007-04-11 | 泰安市路达公路仪器制造有限公司 | Rotary compactor |
| CN102272572A (en) * | 2009-01-09 | 2011-12-07 | 特罗克斯勒电子实验室有限公司 | Gyratory compactor apparatuses and associated methods |
| CN201368821Y (en) * | 2009-03-10 | 2009-12-23 | 彭京武 | Counter-force rotary mechanism with adjustable angle |
| CN102297812A (en) * | 2011-05-20 | 2011-12-28 | 长安大学 | Torsional shear test device for asphalt pavement material and structure |
| CN104729898A (en) * | 2015-03-07 | 2015-06-24 | 盐城工学院 | Rotary compaction instrument for vibrating asphalt mixture |
| CN105486562A (en) * | 2016-01-18 | 2016-04-13 | 云南公投建设集团有限公司 | Asphalt stabilized cold recycled mixture vibration molding instrument and test piece molding method |
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| Publication number | Publication date |
|---|---|
| CN106182546B (en) | 2018-07-06 |
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