CN206161411U - Marshall examination mould based on road surface interface performance test - Google Patents
Marshall examination mould based on road surface interface performance test Download PDFInfo
- Publication number
- CN206161411U CN206161411U CN201621146696.XU CN201621146696U CN206161411U CN 206161411 U CN206161411 U CN 206161411U CN 201621146696 U CN201621146696 U CN 201621146696U CN 206161411 U CN206161411 U CN 206161411U
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- CN
- China
- Prior art keywords
- arc
- road surface
- surface interface
- interface performance
- performance test
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a marshall examination mould based on road surface interface performance test device, including the tube -shape centre form, still be equipped with the base, have a central point on this base and put, the tube -shape centre form is become by four arc hoardings, and each arc centers on central point puts and arranges, is equipped with four guide ways that directional central point put and radiated the distribution on the base, and each arc sliding fit is on the guide way that corresponds, and each arc has mutual draw -around's compound die state and a mold opened state who keeps away from each other, the base is equipped with the lead screw mechanism of each arc motion of drive. The utility model discloses marshall examination mould device adopts split type tube -shape centre form, can realize the side direction die sinking, can avoid guaranteeing smooth die sinking through the cooperation of lifting pressure plate and test piece pressure head simultaneously at drawing of patterns in -process damage test piece.
Description
Technical field
This utility model is related to a kind of mould for preparing bitumen mixture specimen, more particularly to a kind of Marshall die trial.
Background technology
In highway in China web frame, due to bituminous paving, to have that ride comfort, noise are low, maintenance is convenient etc. excellent
Point, each standard highway is mostly using bituminous paving as form of mainly mating formation.China《Asphalt highway construction technology is advised
Model》Regulation asphalt is designed using marshall' mechanic characteristic value, using marshall compaction instrument shaping asphalt test specimen.
Asphalt is a kind of composite, and the mechanical property of asphalt is also differed under different temperatures.Therefore,
Mixing and stirring and compaction temperature for strict control asphalt, has material impact to the Research on Mechanical Properties of asphalt.
The Chinese patent literature of such as Publication No. CN205426610U discloses a kind of Marshall with heat insulation function
Die trial, including base, insulation die trial and insulation sleeve, the insulation die trial includes inner hollow, the punching block A of cylindrical shape,
Heat-insulation layer shell A is provided with outside punching block A, raising up at the top of punching block A has connection protuberance A of the cross section in toroidal, steel
The bottom of mould A is downwardly convex connection protuberance B of the cross section in toroidal；The base top is provided with matches somebody with somebody with connection protuberance B
Close the cannelure of grafting；The insulation sleeve includes inner hollow, the punching block B of cylindrical shape, and outside punching block B heat-insulation layer is provided with
The bottom up depression of shell B, punching block B has the inserting groove for coordinating grafting with connection protuberance A.
The Chinese patent literature of such as Publication No. CN205538379U discloses a kind of new Marshall die trial mould bag
The tubular Resistance Heating Film being arranged outside test specimen die trial and test specimen die trial is included, tubular Resistance Heating Film outer wrap has heat-insulation layer,
Test specimen die trial, tubular Resistance Heating Film and heat-insulation layer are respectively arranged at two ends with heat-preserving cover plate.
The Chinese patent literature of such as Publication No. CN204116115U discloses one kind and can keep asphalt mixture warm
The Marshall Die tester of degree stability, including Marshall internal model is machined with insertion side on the side wall of described Marshall internal model
The louvre of wall, the outside of described Marshall internal model is also cased with the open heat-preservation cylinder in a top and bottom, heat-preservation cylinder and
The plugging mechanism corresponding with radiating hole site is provided with space between Marshall internal model, plugging mechanism is fixedly arranged at heat-preservation cylinder
On inwall.
In prior art, the bitumen mixture specimen generally existing demoulding difficult problem in Marshall die trial, despite when
Demoulding equipment can be adopted, but also easily causes the damage of test specimen, sometimes even with tapping hand-stripping, it is easier to cause test specimen
Damage.
Utility model content
This utility model provides a kind of Marshall Die tester for being easy to the demoulding, can avoid damaging examination during demoulding
Part.
A kind of Marshall Die tester tested based on road surface interface performance, including tubular internal model, are additionally provided with pedestal, the base
There is a center, the tubular internal model is surrounded by four pieces of arcs, and each arc is arranged around the center on seat,
Four gathering sills for pointing to center and radiation profiles are provided with pedestal, each arc is slidably fitted in corresponding gathering sill
On, each arc has the matched moulds state mutually crowded around and the die opening state being located remotely from each other, and the pedestal is provided with and drives each
The screw mechanism of arc motion.
The switching of matched moulds state and die opening state is realized in this utility model by the corresponding arc of screw drive mechanism,
Tubular internal model is diametrically molded, and can avoid being difficult to detached problem when test specimen is axially separated in prior art.
Preferably, each arc bottom is fixed with slide block, the basal sliding of slide block is inlaid in corresponding gathering sill.
Stability when can improve arc intensity and motion by slide block.
The screw mechanism includes：
The nut seat being fixed on pedestal；
The leading screw coordinated with the nut seat screw thread；
Installed in the handwheel of leading screw one end, the other end of the leading screw is rotatably assorted on corresponding slide block.
Slide block horizontal movement, and leading screw is rotated, therefore slide block is rotatably assorted with leading screw, and can axial limiting, prevent the two
Depart from.
Used as another optimal way, the screw mechanism includes leading screw of the motor to link with the motor,
Screwed hole is carried on slide block, the leading screw penetrates screwed hole and screw thread coordinates.Motor drive leading screw can be passed through in this scheme, after
And band movable slider and corresponding arc are moved.
Because arc has certain altitude, in order to prevent top dislocation or rock, preferably, the top of the pedestal
Bracing frame is provided with, it is vertically-mounted on bracing frame to have drive cylinder, lifting pressing plate is connected with the piston rod of drive cylinder, the lifting
Pressing plate is provided with for the circular hole at the top of each arc under banding matched moulds state.
I.e. under matched moulds state, circular hole is enclosed within tubular internal model top edge just, to fix four pieces of arcs.
As further, preferably, the internal diameter of the circular hole is gradually reduced from the bottom to top.
Such pushing with lifter plate, circular-hole internal-wall can further banding tubular internal model top edge.
Preferably, vertically-mounted on support frame as described above have lower air cylinder, it is connected with the piston rod of lower air cylinder
The corresponding test specimen pressure head in heart position.
The lifting of test specimen pressure head both can as needed be compacted test specimen, it is also possible to compress test specimen in die sinking, prevent test specimen
Rock or topple over.
This utility model Marshall Die tester, using split type tubular internal model, it is possible to achieve side action molds, can avoid
Test specimen is damaged during demoulding, while ensureing smoothly die sinking by lifting the cooperation of pressing plate and test specimen pressure head.
Description of the drawings
Fig. 1 is the schematic diagram of this utility model Marshall Die tester die opening state；
Fig. 2 is the schematic diagram of this utility model Marshall Die tester matched moulds state.
Specific embodiment
Referring to Fig. 1 and Fig. 2, a kind of Marshall Die tester tested based on road surface interface performance in the present embodiment, including
Pedestal 1, has a center on pedestal 1, the tubular internal model for forming die cavity is surrounded by four pieces of arcs of Split type structure,
Visible arc 2a, arc 2b and arc 2c in figure.
Each arc is arranged around the center, is provided with the top surface of pedestal and points to center and radiation profiles
Four gathering sills, a visible gathering sill 11 therein in Fig. 1.
Four gathering sills arrange that each arc bottom is fixed with slide block, and such as arc 2a bottoms are fixed with cross
Slide block 3.The basal sliding of each slide block is inlaid in corresponding gathering sill.
Each arc has the matched moulds state mutually crowded around and the die opening state being located remotely from each other, in order to drive slide block and
Arc, pedestal 1 is provided with screw mechanism to drive slide block.
Screw mechanism includes the nut seat being fixed on pedestal 1；The leading screw 4 coordinated with nut seat screw thread；Installed in leading screw 4
Handwheel 5a in the handwheel of one end, such as figure, and the handwheel 5b being fixed on another leading screw, the other end of leading screw 4 is rotated matches somebody with somebody
Close on slide block 3.
In order to prevent each arc from misplacing or rocking under matched moulds state, the top of pedestal 1 is provided with bracing frame 6, supports
It is vertically-mounted on frame 6 to have drive cylinder 8, lifting pressing plate 7 is connected with the piston rod of drive cylinder 8, the lifting pressing plate 7 is provided with
For the circular hole at the top of each arc under banding matched moulds state.
In Fig. 2, under matched moulds state, circular hole is enclosed within tubular internal model top edge just, to fix four pieces of arcs.The internal diameter of circular hole
It is gradually reduced from the bottom to top, so pushing with lifter plate, circular-hole internal-wall can further banding tubular internal model top edge.
It is vertically-mounted on bracing frame 6 to have lower air cylinder 9, it is connected with the piston rod of lower air cylinder 9 corresponding with center
Test specimen pressure head 10.The lifting of test specimen pressure head 10 both can as needed be compacted test specimen, it is also possible to compress test specimen in die sinking, prevent
Only test specimen is rocked or toppled over.
This utility model Marshall Die tester, using split type tubular internal model, it is possible to achieve side action molds, can avoid
Test specimen is damaged during demoulding, while ensureing smoothly die sinking by lifting the cooperation of pressing plate and test specimen pressure head.
Claims (7)
1. a kind of Marshall Die tester tested based on road surface interface performance, including tubular internal model, it is characterised in that be additionally provided with
Pedestal, has a center on the pedestal, the tubular internal model is surrounded by four pieces of arcs, and each arc surrounds the center
Location arrangements, are provided with four gathering sills for pointing to center and radiation profiles on pedestal, and it is right that each arc is slidably fitted in
On the gathering sill answered, each arc has the matched moulds state mutually crowded around and the die opening state being located remotely from each other, and the pedestal sets
There is the screw mechanism for driving each arc motion.
2. described in claim 1 based on road surface interface performance test Marshall Die tester, it is characterised in that each arc
Bottom is fixed with slide block, and the basal sliding of slide block is inlaid in corresponding gathering sill.
3. described in claim 2 based on road surface interface performance test Marshall Die tester, it is characterised in that the leading screw
Mechanism includes：
The nut seat being fixed on pedestal；
The leading screw coordinated with the nut seat screw thread；
Installed in the handwheel of leading screw one end, the other end of the leading screw is rotatably assorted on corresponding slide block.
4. described in claim 2 based on road surface interface performance test Marshall Die tester, it is characterised in that the leading screw
Mechanism includes leading screw of the motor to link with the motor, and screwed hole is carried on slide block, and the leading screw penetrates screw thread
Hole and screw thread cooperation.
5. described in claim 2 based on road surface interface performance test Marshall Die tester, it is characterised in that the pedestal
Top be provided with bracing frame, it is vertically-mounted on bracing frame to have drive cylinder, lifting pressing plate is connected with the piston rod of drive cylinder,
The lifting pressing plate is provided with for the circular hole at the top of each arc under banding matched moulds state.
6. described in claim 5 based on road surface interface performance test Marshall Die tester, it is characterised in that the circular hole
Internal diameter be gradually reduced from the bottom to top.
7. described in claim 6 based on road surface interface performance test Marshall Die tester, it is characterised in that the support
It is vertically-mounted on frame to have lower air cylinder, test specimen pressure head corresponding with center is connected with the piston rod of lower air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146696.XU CN206161411U (en) | 2016-10-21 | 2016-10-21 | Marshall examination mould based on road surface interface performance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146696.XU CN206161411U (en) | 2016-10-21 | 2016-10-21 | Marshall examination mould based on road surface interface performance test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161411U true CN206161411U (en) | 2017-05-10 |
Family
ID=58655788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621146696.XU Expired - Fee Related CN206161411U (en) | 2016-10-21 | 2016-10-21 | Marshall examination mould based on road surface interface performance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161411U (en) |
-
2016
- 2016-10-21 CN CN201621146696.XU patent/CN206161411U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20191021 |