CN203798668U - Asphalt mixture Marshall tester - Google Patents
Asphalt mixture Marshall tester Download PDFInfo
- Publication number
- CN203798668U CN203798668U CN201420067722.4U CN201420067722U CN203798668U CN 203798668 U CN203798668 U CN 203798668U CN 201420067722 U CN201420067722 U CN 201420067722U CN 203798668 U CN203798668 U CN 203798668U
- Authority
- CN
- China
- Prior art keywords
- lining tile
- push
- down head
- seaming chuck
- press head
- Prior art date
- 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
Links
Abstract
The utility model provides an asphalt mixture Marshall tester which comprises a Marshall test piece press head, a pressure sensor, a displacement sensor, a stand column, a case and a support cross beam, wherein the Marshall test piece press head is divided into an upper press head and a lower press head; the upper press head is provided with an upper lining tile jointed with the upper press head; the lower press head is provided with a lower lining tile jointed with the lower press head; two upper hanging rods respectively extend outside the two sides of the upper lining tile, and two lower hanging rods respectively extend outside the two sides of the lower lining tile; the upper hanging rods are connected with the lower hanging rods by springs, so that a Marshall test piece can be clamped by the upper lining tile and the lower lining tile. Compared with bolt connection, the spring connection is capable of reducing the influence degree of connection on a test. The Marshall test piece is isolated from the upper press head and the lower press head by the upper lining tile and the lower lining tile, so that the influence of the upper press head and the lower press head on the temperature of the Marshall test piece can be greatly reduced.
Description
technical field
The utility model relates to a kind of examination instrument in highway engineering, is specifically related to a kind of asphalt Marshall Test instrument.
background technology
Asphalt Marshall Test instrument is mainly used in measuring the stability of asphalt and the ability of plasticity_resistant deformation, measure degree of stability and flow valuve, be applicable to asphalt degree of stability mensuration, asphalt mixture stability testing, for the quality control in formation design of asphalt mixture or construction process of asphalt pavement provides foundation.Asphalt Marshall Test instrument is mainly made up of marshal piece pressure head, pressure transducer, displacement transducer, column, cabinet, supporting traverse etc., and marshal piece pressure head is divided into seaming chuck and push-down head.In use, in discovery, the bolt connecting mode of lining tile and lower lining tile is large to the influence degree of test.
summary of the invention
The technical problems to be solved in the utility model is to provide a kind of asphalt Marshall Test instrument.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
A kind of asphalt Marshall Test instrument, comprise marshal piece pressure head, pressure transducer, displacement transducer, column, cabinet and supporting traverse, marshal piece pressure head is divided into seaming chuck and push-down head, seaming chuck is provided with the upper lining tile fitting with seaming chuck, push-down head is provided with the lower lining tile fitting with push-down head, upper lining tile both sides are projected with upper hanging rod, lower lining tile both sides are projected with lower peg, and upper hanging rod is connected to realize upper lining tile with upper hanging rod by extension spring and lower lining tile clamps marshal piece.
Above-mentioned asphalt Marshall Test instrument, the middle part of seaming chuck and upper lining tile surface of contact has an axially extended trapezoid cross section groove, accordingly, the middle part of upper lining tile and seaming chuck surface of contact has an axially extended trapezoid cross section fin, when seaming chuck and the assembling of upper lining tile, trapezoid cross section fin coordinates with trapezoid cross section groove; The middle part of push-down head and lower lining tile surface of contact has an axially extended trapezoid cross section groove, accordingly, the middle part of lower lining tile and push-down head surface of contact has an axially extended trapezoid cross section fin, and when push-down head and the assembling of lower lining tile, trapezoid cross section fin coordinates with trapezoid cross section groove.
Above-mentioned asphalt Marshall Test instrument, displacement transducer is arranged in seaming chuck sidepiece, in push-down head part under displacement transducer, have the threaded hole that runs through up and down push-down head, in this threaded hole, screw is adjusted in installing, adjust the upper end of screw and stretch out push-down head connection bit displacement sensor contact base, displacement transducer contact base center has the blind hole of flat and upper end open, and blind hole is held displacement transducer lower end, has the gap arriving at the bottom of hole on displacement transducer contact base perisporium.
Above-mentioned asphalt Marshall Test instrument, seaming chuck slidably connects the guide rod to downward-extension, guide rod passes push-down head sidepiece and is slidably matched with push-down head, lower end of the guide rod portion is provided with screw thread, in cabinet part under guide rod, be fixed with screw rod, screw rod is connected by the female sleeve of tool with lower end of the guide rod portion.
Before testing, use lining tile and lower lining tile is embraced marshal piece, then the two ends of extension spring are hung on peg, in realization, lining tile and lower lining tile clamp marshal piece, then their entirety is put into the tank that reaches standard temperature, then entirety is taken out to be placed between seaming chuck and push-down head and is tested.Spring connects compared with bolt and connects, and can reduce the influence degree connecting test.Upper lining tile and lower lining tile have been realized the isolation of marshal piece and seaming chuck and push-down head, have greatly reduced the impact on marshal piece temperature of seaming chuck and push-down head.
brief description of the drawings
Below in conjunction with accompanying drawing to further detailed explanation of the utility model:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the part schematic diagram of Fig. 1.
Fig. 3 is the structural representation of adjusting screw.
In figure: 1 trapezoid cross section fin, lining tile on 2,3 seaming chucks, 4 upper hanging rods, 5 displacement transducers, 6 adjust screws, 7 guide rods, 8 sleeves, 9 screw rods, 10 cabinets, 11 push-down heads, 12 times lining tiles, 13 displacement sensor contact bases, 14 gap.
Embodiment
As shown in Figure 1 to Figure 3, asphalt Marshall Test instrument comprises marshal piece pressure head, pressure transducer, displacement transducer 5, column, cabinet 10 and supporting traverse.Marshal piece pressure head is divided into seaming chuck 3 and push-down head 11, seaming chuck is provided with the upper lining tile 2 fitting with seaming chuck, push-down head is provided with the lower lining tile 12 fitting with push-down head, upper lining tile both sides are projected with upper hanging rod 4, lower lining tile both sides are projected with lower peg, and upper hanging rod is connected to realize upper lining tile with upper hanging rod by extension spring and lower lining tile clamps marshal piece.
The middle part of seaming chuck and upper lining tile surface of contact has an axially extended trapezoid cross section groove, accordingly, the middle part of upper lining tile and seaming chuck surface of contact has an axially extended trapezoid cross section fin 1, and when seaming chuck and the assembling of upper lining tile, trapezoid cross section fin coordinates with trapezoid cross section groove.The middle part of push-down head and lower lining tile surface of contact has an axially extended trapezoid cross section groove, accordingly, the middle part of lower lining tile and push-down head surface of contact has an axially extended trapezoid cross section fin, and when push-down head and the assembling of lower lining tile, trapezoid cross section fin coordinates with trapezoid cross section groove.Fin coordinates with groove, can ensure that the precision of lining tile and pressure head assembling is with firm.
Displacement transducer is arranged in seaming chuck sidepiece, in push-down head part under displacement transducer, have the threaded hole that runs through up and down push-down head, in this threaded hole, screw 6 is adjusted in installing, adjust the upper end of screw and stretch out push-down head connection bit displacement sensor contact base 13, displacement transducer contact base center has the blind hole of flat and upper end open, and blind hole is held displacement transducer lower end.Adjust screw by adjustment, the position of adjusted position displacement sensor contact base, before Preparatory work of experiment is started, at the bottom of correcting contact displacement sensor contact base hole, ensures the accuracy of displacement sensor in experiment under displacement transducer.On displacement transducer contact base perisporium, have the gap 14 arriving at the bottom of hole, be convenient to observe displacement transducer lower end and contacting at the bottom of displacement transducer contact base hole.
Seaming chuck slidably connects the guide rod 7 to downward-extension, guide rod passes push-down head sidepiece and is slidably matched with push-down head, lower end of the guide rod portion is provided with screw thread, in the cabinet part under guide rod, is fixed with screw rod 9, and screw rod is connected by the female sleeve 8 of tool with lower end of the guide rod portion.Guide rod is connected on cabinet, has realized location and the guiding of seaming chuck and push-down head.
Claims (4)
1. an asphalt Marshall Test instrument, it is characterized in that: comprise marshal piece pressure head, pressure transducer, displacement transducer, column, cabinet and supporting traverse, marshal piece pressure head is divided into seaming chuck and push-down head, seaming chuck is provided with the upper lining tile fitting with seaming chuck, push-down head is provided with the lower lining tile fitting with push-down head, upper lining tile both sides are projected with upper hanging rod, lower lining tile both sides are projected with lower peg, and upper hanging rod is connected to realize upper lining tile with upper hanging rod by extension spring and lower lining tile clamps marshal piece.
2. asphalt Marshall Test instrument according to claim 1, it is characterized in that: the middle part of seaming chuck and upper lining tile surface of contact has an axially extended trapezoid cross section groove, accordingly, the middle part of upper lining tile and seaming chuck surface of contact has an axially extended trapezoid cross section fin, when seaming chuck and the assembling of upper lining tile, trapezoid cross section fin coordinates with trapezoid cross section groove; The middle part of push-down head and lower lining tile surface of contact has an axially extended trapezoid cross section groove, accordingly, the middle part of lower lining tile and push-down head surface of contact has an axially extended trapezoid cross section fin, and when push-down head and the assembling of lower lining tile, trapezoid cross section fin coordinates with trapezoid cross section groove.
3. asphalt Marshall Test instrument according to claim 1, it is characterized in that: displacement transducer is arranged in seaming chuck sidepiece, in push-down head part under displacement transducer, have the threaded hole that runs through up and down push-down head, in this threaded hole, screw is adjusted in installing, adjust the upper end of screw and stretch out push-down head connection bit displacement sensor contact base, displacement transducer contact base center has the blind hole of flat and upper end open, blind hole is held displacement transducer lower end, has the gap arriving at the bottom of hole on displacement transducer contact base perisporium.
4. asphalt Marshall Test instrument according to claim 1, it is characterized in that: seaming chuck slidably connects the guide rod to downward-extension, guide rod passes push-down head sidepiece and is slidably matched with push-down head, lower end of the guide rod portion is provided with screw thread, in cabinet part under guide rod, be fixed with screw rod, screw rod is connected by the female sleeve of tool with lower end of the guide rod portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420067722.4U CN203798668U (en) | 2014-02-17 | 2014-02-17 | Asphalt mixture Marshall tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420067722.4U CN203798668U (en) | 2014-02-17 | 2014-02-17 | Asphalt mixture Marshall tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798668U true CN203798668U (en) | 2014-08-27 |
Family
ID=51380873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420067722.4U Expired - Fee Related CN203798668U (en) | 2014-02-17 | 2014-02-17 | Asphalt mixture Marshall tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798668U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016051345A1 (en) * | 2014-09-30 | 2016-04-07 | Universidad De La Salle | Device and method for determining unconfined compressive strength in disc-shaped samples of rock or other materials subjected to diametral loading |
| CN107328562A (en) * | 2017-07-25 | 2017-11-07 | 中汽研（天津）汽车工程研究院有限公司 | A kind of General fixing seat for connecting rod performance detection |
| 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 |
-
2014
- 2014-02-17 CN CN201420067722.4U patent/CN203798668U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016051345A1 (en) * | 2014-09-30 | 2016-04-07 | Universidad De La Salle | Device and method for determining unconfined compressive strength in disc-shaped samples of rock or other materials subjected to diametral loading |
| CN107328562A (en) * | 2017-07-25 | 2017-11-07 | 中汽研（天津）汽车工程研究院有限公司 | A kind of General fixing seat for connecting rod performance detection |
| 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 |
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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: 20140827 Termination date: 20150217 |
|
| EXPY | Termination of patent right or utility model |