CN203745256U - Bituminous mixture Marshall specimen demolding device based on universal tester - Google Patents
Bituminous mixture Marshall specimen demolding device based on universal tester Download PDFInfo
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- CN203745256U CN203745256U CN201420047283.0U CN201420047283U CN203745256U CN 203745256 U CN203745256 U CN 203745256U CN 201420047283 U CN201420047283 U CN 201420047283U CN 203745256 U CN203745256 U CN 203745256U
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- demoulding
- testing machine
- cushion cap
- universal testing
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Abstract
The utility model relates to a bituminous mixture Marshall specimen demolding device based on a universal tester. The bituminous mixture Marshall specimen demolding device comprises an upper pressing plate and cylindrical bearing tables, wherein through holes are formed in the upper pressing plate; the diameter of each through hole is larger than or equal to that of each specimen and is smaller than the outer diameter of each test mold; the diameter of each bearing table is smaller than or equal to the inner diameter of each test mold; the specimens to be demolded are arranged on the bearing tables and below the upper pressing plate, and the specimens are ejected out by the bearing tables due to the effect of the universal tester and then penetrate out of the through holes in the upper pressing plate. The bituminous mixture Marshall specimen demolding device is designed based on the universal tester serving as a force application device, is simple in structure and low in manufacturing cost and can be used for demolding a plurality of bituminous mixture Marshall specimens simultaneously.
Description
Technical field
The utility model relates to asphalt marshal piece stripper apparatus, is specifically related to a kind of asphalt marshal piece demoulding utensil based on universal testing machine.
Background technology
The making of bitumen mixture specimen is to be hammered into shape the asphalt in Marshall die trial is hit to reality by marshall compaction, and test specimen hits real complete and after cooling, then by stripper, the compound test specimen in die trial is taken out.
The conventional stripper in laboratory has two kinds of the electronic demouldings of hand-stripping.
Hand-stripping device is simple in structure, takes up an area the less and low price in space, but operation wastes time and energy, and demoulding efficiency is low.Testing crew is in the time carrying out hand-stripping operation, need to ceaselessly regulate the horizontal direction of force application apparatus-lifting jack, making to be placed on die trial wall on lifting jack and the anti-circular hole edge that pushes away on stripper top matches, disturb with the lateral compression of avoiding compound test specimen to be subject to stripper, affect the mensuration of the indexs such as test specimen degree of stability and flow valuve.Meanwhile, when the test specimen demoulding, need testing crew manually to control lifting jack, and the cohesive force of cooled asphalt and die trial wall is larger, and stripping operation is comparatively required great effort.
Electronic stripper generally adopts hydraulic pressure force application apparatus, the level that operating process does not need to regulate force application apparatus to, demoulding efficiency is higher, but compares hand-stripping device, it is larger that electronic stripper takes up an area space, and price is more expensive.
Summary of the invention
The defect or the deficiency that exist for prior art, the invention provides a kind of asphalt marshal piece demoulding utensil based on universal testing machine.
For this reason, the asphalt marshal piece demoulding utensil based on universal testing machine that the utility model provides comprises:
Top board, offers through hole on top board, the diameter that the diameter of this through hole is more than or equal to test specimen is less than the external diameter of die trial; With,
Cushion cap, cushion cap is column, and its diameter is less than or equal to die trial internal diameter;
Treat that demoulding test specimen is placed on cushion cap and is positioned at top board below, under the effect of universal testing machine cushion cap test specimen is ejected after through hole from top board pass.
Preferably, the diameter of described through hole equates with die trial internal diameter.
Preferably, described through hole below is provided with limit casing, and this limit casing moves during in the demoulding for limiting until demoulding test specimen.
Preferably, the described asphalt marshal piece demoulding based on universal testing machine also comprises lower platen with utensil, and described cushion cap is arranged on lower platen.
Preferably, described cushion cap comprises cushion cap and lower cushion cap, and the diameter of described lower cushion cap is less than the diameter of cushion cap, treats that demoulding test specimen is placed on cushion cap.
Preferably, on described top board, offer four through holes; Four cushion caps are installed on described lower platen.
Preferably, described lower platen bottom is provided with mount pad, and this mount pad is for being arranged on universal testing machine by lower platen.
Preferably, described lower platen is provided with top board balance stem is installed.
The utility model is the asphalt marshal piece demoulding utensil designing as force application apparatus based on universal testing machine, and this utensil structure is simple, cost is low, and can carry out the demoulding to multiple asphalt marshal pieces simultaneously.
Brief description of the drawings
Below in conjunction with accompanying drawing and embodiment, the utility model is further explained to explanation.
Fig. 1 is the structure reference view of top board of the present utility model;
Fig. 2 is the structure reference view of top board of the present utility model bottom
Fig. 3 is the structure reference view of cushion cap of the present utility model;
Fig. 4 is the structure reference view of cushion cap of the present utility model bottom;
Fig. 5 is the asphalt marshal piece knockout course schematic diagram based on universal testing machine of the present utility model.
Embodiment
The asphalt marshal piece demoulding based on universal testing machine of the present utility model refers to taking universal testing machine as device for exerting with utensil, utensil of the present utility model is arranged on universal testing machine, to treat that demoulding test specimen is arranged on utensil of the present utility model simultaneously, by universal testing machine exert pressure and the relevant work of this utensil realizes the demoulding for the treatment of demoulding test specimen.
With reference to figure 1 and Fig. 2, the marshal piece demoulding of the present utility model comprises top board 1 and cushion cap 2 with utensil, on top board 1, offer through hole 11, the diameter that the diameter of this through hole 11 is more than or equal to test specimen is less than the external diameter of die trial, cushion cap 2 is column, for test specimen is ejected from die trial, its diameter is less than or equal to the diameter of test specimen.
For convenience of fitting together with universal testing machine, utensil of the present utility model also comprises a lower platen 21, and cushion cap 2 is arranged on lower platen 21, and lower platen 21 can directly be arranged on universal testing machine by the mount pad 23 of its bottom.
Through-hole diameter of the present utility model preferably equates with die trial internal diameter, and when ensureing the demoulding, die trial wall is pushed down by top board, i.e. die trial and top board do not produce relative displacement, and test specimen in die trial just in time can pass through hole.
The related internal diameter of the utility model refers to inside diameter, and external diameter refers to outer dia.
Embodiment:
Follow the technical solution of the utility model, the demoulding of this embodiment comprises top board 1, cushion cap 2 and lower platen 21 with utensil, top board 1 is square, on it, offer the through hole 11 of four equal diameters, as shown in Figure 1, correspondingly, lower platen 21 is provided with four cushion caps 2, every cushion cap 2 comprises the upper cushion cap on top and the lower cushion cap of bottom, and the diameter of lower cushion cap is less than the diameter of cushion cap, treats that demoulding test specimen is placed on cushion cap.The below of each through hole 11 is provided with limit casing 12, and the internal diameter of this limit casing 12 is more than or equal to the external diameter of die trial, and the effect of limit casing 12 is the horizontal shifts of entangling die trial and prevent die trial.
With reference to figure 5, the step that the demoulding in application universal testing machine and above-described embodiment is carried out the demoulding with utensil to asphalt marshal piece is as follows:
(1) by the method for T0702 in JTG E20-2011 " highway engineering pitch and Asphalt Mixture Experiment code ", the asphalt mixing is put into Marshall die trial and hit reality, place cooling by hitting real complete test specimen.
(2) lower platen of this device 2 is fixed on the platen 32 of universal testing machine 3, more cooledly treats that demoulding test specimen is placed on respectively on four cushion caps 21 by four, then the top board of this device 1 is aimed to top board and balance stem 22 is installed is placed on die trial.
(3) guarantee die trial top be all enclosed within the sleeve pipe 12 of superstructure interior after, open universal testing machine 3, exert pressure by depression bar 31, the depression bar 31 of universal testing machine contacts with top board, and with this, pressure is passed to top board 1, and act in die trial 5, in die trial simultaneously, test specimen 4 bottoms are subject to the upwards thrust of cushion cap 2, make to produce relative slippage between test specimen 4 and die trial 5, finally make test specimen 4 depart from die trial 5.
(4), when the compound test specimen in die trial departs from die trial completely, stop immediately universal testing machine 3 and work.
(5) now take off four bitumen mixture specimens on pressure head 21, carry out next group demoulding.
Claims (8)
1. the asphalt marshal piece demoulding utensil based on universal testing machine, is characterized in that, this utensil comprises:
Top board, offers through hole on top board, the diameter that the diameter of this through hole is more than or equal to test specimen is less than the external diameter of die trial; With,
Cushion cap, cushion cap is column, and its diameter is less than or equal to die trial internal diameter;
Treat that demoulding test specimen is placed on cushion cap and is positioned at top board below, under the effect of universal testing machine cushion cap test specimen is ejected after through hole from top board pass.
2. the asphalt marshal piece demoulding utensil based on universal testing machine as claimed in claim 1, is characterized in that, the diameter of described through hole equates with die trial internal diameter.
3. the asphalt marshal piece demoulding utensil based on universal testing machine as claimed in claim 1, is characterized in that, described through hole below is provided with limit casing, and this limit casing moves during in the demoulding for limiting until demoulding test specimen.
4. the asphalt marshal piece demoulding utensil based on universal testing machine as claimed in claim 1, it is characterized in that, the described asphalt marshal piece demoulding based on universal testing machine also comprises lower platen with utensil, and described cushion cap is arranged on lower platen.
5. the asphalt marshal piece demoulding utensil based on universal testing machine as claimed in claim 4, is characterized in that, described lower platen bottom is provided with mount pad, and this mount pad is for being arranged on universal testing machine by lower platen.
6. the asphalt marshal piece demoulding utensil based on universal testing machine as claimed in claim 1, it is characterized in that, described cushion cap comprises cushion cap and lower cushion cap, and the diameter of described lower cushion cap is less than the diameter of cushion cap, treats that demoulding test specimen is placed on cushion cap.
7. the asphalt marshal piece demoulding utensil based on universal testing machine as claimed in claim 4, is characterized in that, offers four through holes on described top board; Four cushion caps are installed on described lower platen.
8. the asphalt marshal piece demoulding utensil based on universal testing machine as claimed in claim 4, is characterized in that, described lower platen is provided with top board balance stem is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047283.0U CN203745256U (en) | 2014-01-25 | 2014-01-25 | Bituminous mixture Marshall specimen demolding device based on universal tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047283.0U CN203745256U (en) | 2014-01-25 | 2014-01-25 | Bituminous mixture Marshall specimen demolding device based on universal tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745256U true CN203745256U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420047283.0U Expired - Fee Related CN203745256U (en) | 2014-01-25 | 2014-01-25 | Bituminous mixture Marshall specimen demolding device based on universal tester |
Country Status (1)
| Country | Link |
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| CN (1) | CN203745256U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546457A (en) * | 2016-09-30 | 2017-03-29 | 长安大学 | A kind of rut plate test specimen ingot stripper and die trial |
| CN107991158A (en) * | 2018-01-29 | 2018-05-04 | 山东交通学院 | The asphalt marshall compaction instrument and test method of controllable compaction temperature |
| CN109624090A (en) * | 2018-12-17 | 2019-04-16 | 重庆三峡学院 | A kind of compass laboratory foam precisely adds device and application method |
| CN109991058A (en) * | 2019-04-15 | 2019-07-09 | 安徽理工大学 | A kind of similar material mixture sample stripper apparatus |
| CN110954390A (en) * | 2019-11-26 | 2020-04-03 | 扬州大学 | Semi-automatic demolding all-in-one machine and demolding method for large and small Marshall test pieces |
-
2014
- 2014-01-25 CN CN201420047283.0U patent/CN203745256U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546457A (en) * | 2016-09-30 | 2017-03-29 | 长安大学 | A kind of rut plate test specimen ingot stripper and die trial |
| CN106546457B (en) * | 2016-09-30 | 2019-05-10 | 长安大学 | A kind of track plate test specimen ingot stripper and die trial |
| CN107991158A (en) * | 2018-01-29 | 2018-05-04 | 山东交通学院 | The asphalt marshall compaction instrument and test method of controllable compaction temperature |
| CN107991158B (en) * | 2018-01-29 | 2021-11-12 | 山东交通学院 | Bituminous mixture Marshall compaction instrument capable of controlling compaction temperature and test method |
| CN109624090A (en) * | 2018-12-17 | 2019-04-16 | 重庆三峡学院 | A kind of compass laboratory foam precisely adds device and application method |
| CN109624090B (en) * | 2018-12-17 | 2023-10-27 | 重庆三峡学院 | Precise foam adulterant for compass type laboratory and use method |
| CN109991058A (en) * | 2019-04-15 | 2019-07-09 | 安徽理工大学 | A kind of similar material mixture sample stripper apparatus |
| CN110954390A (en) * | 2019-11-26 | 2020-04-03 | 扬州大学 | Semi-automatic demolding all-in-one machine and demolding method for large and small Marshall test pieces |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20160125 |
|
| EXPY | Termination of patent right or utility model |