CN204613070U - A kind of CT real time scan charger of ground surface material testing permeability system - Google Patents
A kind of CT real time scan charger of ground surface material testing permeability system Download PDFInfo
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- CN204613070U CN204613070U CN201520268880.0U CN201520268880U CN204613070U CN 204613070 U CN204613070 U CN 204613070U CN 201520268880 U CN201520268880 U CN 201520268880U CN 204613070 U CN204613070 U CN 204613070U
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- pressure
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- surface material
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- material testing
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Abstract
The utility model provides a kind of CT real time scan charger of ground surface material testing permeability system, comprise for the pressure-applying unit of the test specimen imposed load in road pavement material permeability test macro and the pressure transducer for detecting pressure-applying unit loaded load, described pressure-applying unit comprises casting die and piece under pressure, described piece under pressure is on the loading pressure head be located at above test specimen, and described pressure transducer is pressed between described upper casting die and piece under pressure.It is simple that this utility model has easy to operate, structure, ensure that test specimen carries out CT real time scan advantage when external force condition is constant.
Description
Technical field
The utility model relates to ground surface material testing permeability technical field, particularly relates to a kind of CT real time scan charger of ground surface material testing permeability system.
Background technology
Existing ground surface material experimental provision and pertinent instruments, after the relevant Mechanics Performance Testing carrying out a period of time, need carry out CT scan to test specimen, to obtain test specimen microscopic structural parameters.At present, CT layer scanning technology has become the strongest ground surface material fatigue behaviour meso-mechanical analyses means.But due to condition restriction, as test unit cannot move or too both bulk, cannot be placed in Industrial CT Machine, make to have difficulties to test specimen CT scan; And if test specimen pulled down carry out CT surface sweeping, stress and the corresponding boundary condition of test specimen will change, and cannot realize the dynamic in real time meso-mechanical analyses of test specimen.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, there is provided a kind of easy to operate, structure simple, ensure that test specimen carries out the CT real time scan charger of the ground surface material testing permeability system of CT real time scan when external force condition is constant.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is:
A kind of CT real time scan charger of ground surface material testing permeability system, comprise for the pressure-applying unit of the test specimen imposed load in road pavement material permeability test macro and the pressure transducer for detecting pressure-applying unit loaded load, described pressure-applying unit comprises casting die and piece under pressure, described piece under pressure is on the loading pressure head be located at above test specimen, and described pressure transducer is pressed between described upper casting die and piece under pressure.
Further improvement as technique scheme:
Described pressure transducer upper end is provided with sensing pressure head, and described upper casting die is provided with the groove coordinated with sensing pressure head, is provided with rubber protection pad in described groove.
Described piece under pressure is provided with for the location and installation groove to pressure transducer circumference location, and described pressure transducer is installed in described location and installation groove.
Described piece under pressure is provided with and the projection loading pressure head and coordinate.
Described pressure-applying unit also comprises connecting screw rod and is bolted in the pressurization nut on connecting screw rod, and described connecting screw rod is connected with ground surface material testing permeability system, and described upper casting die is sheathed on connecting screw rod also by pressurizeing nut compressing on pressure transducer.
Described connecting screw rod is connected with ground surface material testing permeability system by coupling nut.
Described connecting screw rod is arranged with the spring washer for preventing pressurization nut from loosening.
Described pressure transducer is connected with digital display equipment.
Compared with prior art, the utility model has the advantage of:
Charger of the present utility model comprises piece under pressure and pressure transducer, and casting die directly loads in testing permeability system,
Pressure transducer detection display loaded load numerical value, the CT scan of test specimen can be realized when its load value is identical with the former load value of ground surface material testing permeability system, it is easy to operate, structure is simple, ensure that test specimen carries out CT real time scan when suffered external force condition (test specimen stress and corresponding boundary condition) is constant, achieve the Real-time Obtaining of the microscopic structural parameters of material for test inside, test findings is reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of ground surface material testing permeability system.
Fig. 3 is the utility model structural representation in a particular application.
In figure, each label represents:
1, pressure-applying unit; 11, upper casting die; 111, groove; 12, piece under pressure; 121, location and installation groove; 13, connecting screw rod; 14, pressurize nut; 15, coupling nut; 16, spring washer; 2, pressure transducer; 21, sensing pressure head; 3, test specimen; 4, pressure head is loaded; 5, rubber protection pad; 6, digital display equipment.
Embodiment
Under will be described in further details the utility model in conjunction with Figure of description and specific embodiment.
As shown in Figure 1 to Figure 3, the CT real time scan charger of the ground surface material testing permeability system of the present embodiment, comprise pressure-applying unit 1 and pressure transducer 2, pressure-applying unit 1 is for test specimen 3 imposed load in road pavement material permeability test macro, pressure transducer 2 is for detecting pressure-applying unit 1 loaded load, pressure-applying unit 1 comprises casting die 11 and piece under pressure 12, piece under pressure 12 is on the loading pressure head 4 be located at above test specimen 3, pressure transducer 2 is pressed between casting die 11 and piece under pressure 12, and described pressure transducer 2 is connected with digital display equipment 6.Pressure-applying unit 1 of the present utility model directly loads in testing permeability system, pressure transducer 2 detection display loaded load numerical value, until pressure transducer 2 detect load value identical with the former load value of ground surface material testing permeability system time can realize the CT scan of test specimen 3, it is easy to operate, structure is simple, ensure that test specimen 3 carries out CT real time scan when suffered external force condition (stress and corresponding boundary condition) is constant, achieve the Real-time Obtaining of the microscopic structural parameters of test specimen 3 material internal, test findings is reliable.
In the present embodiment, pressure transducer 2 upper end is provided with sensing pressure head 21, and upper casting die 11 is provided with the groove 111 coordinated with sensing pressure head 21, is provided with rubber protection pad 5 in groove 111; Piece under pressure 12 is provided with location and installation groove 121, and location and installation groove 121 is for locating pressure transducer 2 circumference, and the circumferential location and installation of pressure transducer 2 is in location and installation groove 121.
Piece under pressure 12 is provided with and the projection loading pressure head 4 and coordinate.The utility model on casting die 11 apply external force time, upper casting die 11 realizes test specimen 3 by pressure transducer 2 power transmission to piece under pressure 12 and loads, and now pressure transducer 2 detects loaded load value.
In the present embodiment, pressure-applying unit 1 also comprises connecting screw rod 13 and pressurization nut 14, pressurization nut 14 is bolted on connecting screw rod 13, connecting screw rod 13 is connected with ground surface material testing permeability system by coupling nut 15, and upper casting die 11 is sheathed on connecting screw rod 13 and is also pressed on pressure transducer 2 by pressurization nut 14; Connecting screw rod 13 is arranged with spring washer 16, spring washer 16 is located between pressurization nut 14 and upper casting die 11, loosens for preventing pressurization nut 14.According to the size of test specimen 3 load added by loading procedure, can pressurize to test specimen 3 by screwing pressurization nut 14, observe pressure transducer 2 numerical value until load numerical value when institute's load application reaches test, and wait for that a load numeral is stable, can CT scan be carried out.
In the present embodiment, as shown in Figure 2 and Figure 3, the installation procedure of CT real time scan charger is: after the ground surface material testing permeability system test stage terminates, MTS pressure head in testing permeability system and hinge ball are taken away, connecting screw rod 13 in CT real time scan charger can be connected with the screw rod in ground surface material testing permeability system, piece under pressure 12 is positioned in the groove 111 of loading pressure head 4 upper end in ground surface material testing permeability system by protruding, easy to operate.Then pressure transducer 2 is positioned in the mounting groove of piece under pressure 12; rubber protection pad 5 is put on the sensing pressure head 21 of pressure transducer 2; upper casting die 11 is positioned on pressure transducer 2 through connecting screw rod 13; the sensing pressure head 21 of connecting screw rod 13 is positioned in the groove 111 of casting die 11; spring washer 16 is padded on upper casting die 11 through connecting screw rod 13, then pressurization nut 14 is screwed on spring washer 16.According to the size of test specimen 3 load added by loading procedure, pressurizeing by screwing pressurization nut 14 pairs of test specimens 3, observing the reading of digital display equipment 6, until load numerical value when institute's load application reaches test, and wait for that a load numeral is stable, the scanning of CT dynamic realtime can be carried out to test specimen 3.
Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (8)
1. the CT real time scan charger of a ground surface material testing permeability system, it is characterized in that, comprise for the pressure-applying unit (1) of test specimen (3) imposed load in road pavement material permeability test macro and the pressure transducer (2) for detecting pressure-applying unit (1) loaded load, described pressure-applying unit (1) comprises casting die (11) and piece under pressure (12), described piece under pressure (12) is on the loading pressure head (4) being located at test specimen (3) top, and described pressure transducer (2) is pressed between described upper casting die (11) and piece under pressure (12).
2. the CT real time scan charger of ground surface material testing permeability system according to claim 1; it is characterized in that; described pressure transducer (2) upper end is provided with sensing pressure head (21); described upper casting die (11) is provided with the groove (111) coordinated with sensing pressure head (21), is provided with rubber protection pad (5) in described groove (111).
3. the CT real time scan charger of ground surface material testing permeability system according to claim 1, it is characterized in that, described piece under pressure (12) is provided with for the location and installation groove (121) to pressure transducer (2) circumference location, and described pressure transducer (2) is installed in described location and installation groove (121).
4. the CT real time scan charger of ground surface material testing permeability system according to claim 3, is characterized in that, described piece under pressure (12) is provided with and the projection loading pressure head (4) and coordinate.
5. the CT real time scan charger of the ground surface material testing permeability system according to Claims 1-4 any one, it is characterized in that, described pressure-applying unit (1) also comprises connecting screw rod (13) and is bolted in the pressurization nut (14) on connecting screw rod (13), described connecting screw rod (13) is connected with ground surface material testing permeability system, described upper casting die (11) be sheathed on connecting screw rod (13) go up and pass through pressurization nut (14) be pressed on pressure transducer (2).
6. the CT real time scan charger of ground surface material testing permeability system according to claim 5, is characterized in that, described connecting screw rod (13) is connected with ground surface material testing permeability system by coupling nut (15).
7. the CT real time scan charger of ground surface material testing permeability system according to claim 5, is characterized in that, described connecting screw rod (13) is arranged with the spring washer (16) for preventing pressurization nut (14) from loosening.
8. the CT real time scan charger of ground surface material testing permeability system according to Claims 1-4 any one, it is characterized in that, described pressure transducer (2) is connected with digital display equipment (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520268880.0U CN204613070U (en) | 2015-04-29 | 2015-04-29 | A kind of CT real time scan charger of ground surface material testing permeability system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520268880.0U CN204613070U (en) | 2015-04-29 | 2015-04-29 | A kind of CT real time scan charger of ground surface material testing permeability system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204613070U true CN204613070U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520268880.0U Expired - Fee Related CN204613070U (en) | 2015-04-29 | 2015-04-29 | A kind of CT real time scan charger of ground surface material testing permeability system |
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|---|---|
| CN (1) | CN204613070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060852A (en) * | 2018-08-24 | 2018-12-21 | 中国科学院寒区旱区环境与工程研究所 | A kind of osmosis device and the real time scan device for cooperating Medical CT |
| CN113447503A (en) * | 2021-06-28 | 2021-09-28 | 哈尔滨工业大学 | Road surface and rubber contact area measuring method and system based on X-ray CT scanning image |
-
2015
- 2015-04-29 CN CN201520268880.0U patent/CN204613070U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060852A (en) * | 2018-08-24 | 2018-12-21 | 中国科学院寒区旱区环境与工程研究所 | A kind of osmosis device and the real time scan device for cooperating Medical CT |
| CN109060852B (en) * | 2018-08-24 | 2020-06-09 | 中国科学院寒区旱区环境与工程研究所 | Pressurization and permeation device and real-time scanning device matched with medical CT |
| CN113447503A (en) * | 2021-06-28 | 2021-09-28 | 哈尔滨工业大学 | Road surface and rubber contact area measuring method and system based on X-ray CT scanning image |
| CN113447503B (en) * | 2021-06-28 | 2022-04-26 | 哈尔滨工业大学 | Road surface and rubber contact area measuring method and system based on X-ray CT scanning image |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 |