CN203178135U - Device for monitoring deformation of test piece in liquid confining pressure in real time in non-contact manner - Google Patents
Device for monitoring deformation of test piece in liquid confining pressure in real time in non-contact manner Download PDFInfo
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- CN203178135U CN203178135U CN 201320105654 CN201320105654U CN203178135U CN 203178135 U CN203178135 U CN 203178135U CN 201320105654 CN201320105654 CN 201320105654 CN 201320105654 U CN201320105654 U CN 201320105654U CN 203178135 U CN203178135 U CN 203178135U
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Abstract
The utility model relates to a device for monitoring the deformation of a test piece in liquid confining pressure in real time in a non-contact manner, which comprises a confining pressure cylinder; a water injection hole is arranged at the lower end of the confining pressure cylinder; a piston is arranged at the upper end of the confining pressure cylinder; a test piece cushion block for bearing the test piece is arranged in the confining pressure cylinder; a plurality of laser measurement sensors for monitoring the deformation of the test piece are also arranged on the inner wall of the confining pressure cylinder; and the laser measurement sensors are connected with a data receiving device and a data processing device through a data wire. The device for monitoring the deformation of the test piece in liquid confining pressure in real time in a non-contact manner disclosed by the utility model is capable of measuring the transverse deformation of the test piece in a non-contact manner in the liquid confining pressure through the arranged laser measurement sensors. The method disclosed by the utility model is capable of collecting data of the transverse deformation of the test piece in the liquid confining pressure in real time and monitoring automatic warming. The device disclosed by the utility model is high in measurement precision, free from external influence and simple and convenient for operation.
Description
Technical field
The utility model relates to native stone deformation monitoring field, particularly test specimen deformation real-time monitoring device and method in a kind of contactless liquid confined pressure.
Background technology
Deformation monitoring is exactly to utilize special-purpose instrument and method that the metaboly of deformable body is continued observation, deformable body distortion condition is analyzed, every work that the developing state that deformable body is out of shape is predicted etc.Its task is to determine under various loads and external force effect, the shape of deformable body, size, and spatiality and the temporal characteristics of change in location.
Deformation monitoring method commonly used mainly is to load in the tube in the triaxial test confined pressure in the testing laboratory, make the vertical deformation that moves up and down to reflect test specimen of piston in the confined pressure tube by loading, not having especially effectively, way monitors the transverse deformation of test specimen under the confined pressure environment in the confined pressure tube.By commonsense method deformable body is monitored arrangement, record data, displacement super-limit prewarning in a period of time scope, the misoperation or the error in judgement that exist personnel's subjectivity, objective factor to cause, can not long-term, round-the-clockly monitor by factors such as environment, time, mass data to deposit and handle the monitoring personnel also be a kind of trouble.
For example Chinese patent 200910062902.7 discloses a kind ofly, and triaxial creep tester of unsaturated soil also exists this can only monitor vertical displacement, can not monitor the problem of transversal displacement.Therefore be necessary to research and develop a kind of real time data acquisition of test specimen deformation in liquid confined pressure environment, the monitoring device of robotization early warning, have very great help for solving existing issue.
Summary of the invention
Technical problem to be solved in the utility model provides test specimen deformation real-time monitoring device in a kind of contactless liquid confined pressure, can monitor the transverse deformation of test specimen in the liquid confined pressure in non-contacting mode, and obtain data fast.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: test specimen deformation real-time monitoring device in a kind of contactless liquid confined pressure
,Comprise the confined pressure tube, confined pressure tube lower end is provided with water injection hole, and confined pressure tube upper end is provided with piston, is provided with the test specimen cushion block for the carrying test specimen in the confined pressure tube, also is provided with a plurality of laser measurement sensors for the deformation of monitoring test specimen at confined pressure tube inwall.
Described laser measurement sensor is connected with data processing equipment with data sink by data line.
Described piston top also is provided with locking device.
Described confined pressure tube has jacking gear.
A kind of method that adopts above-mentioned device to carry out the real-time monitoring of test specimen deformation may further comprise the steps:
One, test specimen is put into the confined pressure tube, the test specimen two ends arrange the test specimen cushion block, and place the piston below;
Two, will seal the confined pressure tube and move to triaxial tester loading place, by the water filling in the confined pressure tube of external forcing pump, until test confined pressure value, state keep-ups pressure;
Three, open laser measurement sensor, data sink, data processing equipment switch, will make zero about distance terms data between laser measurement sensor and the test specimen;
Four, by triaxial tester jacking gear is risen, promoting confined pressure tube and test specimen rises, until contacting with piston, the locked device of piston this moment is spacing, gives the piston load application by the rising of jacking gear, continues to keep test confined pressure value and load, transversely deforming or displacement by laser measurement sensor measurement test specimen, and will sending data sink and data processing equipment to after the signal processing, the vertical displacement by the displacement of piston is measured test specimen destroys until test specimen;
Realize that by above-mentioned steps test specimen deformation is monitored in real time in the contactless liquid confined pressure.
When the displacement of test specimen was transfinited, data processing equipment was reported to the police.
Test specimen deformation real-time monitoring device in a kind of contactless liquid confined pressure that the utility model provides, by the laser measurement sensor that arranges, can be in liquid confined pressure state, the transversely deforming of measuring test specimen in non-contacting mode.Method of the present utility model has realized the real time data acquisition of test specimen transverse deformation in the liquid confined pressure environment and the monitoring of robotization early warning.The utility model measuring accuracy height is not influenced by external cause, and is easy and simple to handle.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is one-piece construction synoptic diagram of the present utility model.
Among the figure: laser measurement sensor 1, laser beam 2, piston 3, test specimen cushion block 4, test specimen 5, confined pressure tube 6, data sink 7, data processing equipment 8, data line 9, jacking gear 10, water injection hole 11, locking device 12.
Embodiment
In Fig. 1, test specimen deformation real-time monitoring device in a kind of contactless liquid confined pressure
,Comprise confined pressure tube 6, confined pressure tube 6 lower ends are provided with water injection hole 11, and confined pressure tube 6 upper ends are provided with piston 3, are provided with the test specimen cushion block 4 for carrying test specimen 5 in confined pressure tube 6, also are provided with a plurality of laser measurement sensors 1 for 5 deformation of monitoring test specimen at confined pressure tube 6 inwalls.The laser measurement sensor 1 that adopts in this example adopts and can bear the optical measurement type sensor of design pressure, and range ability is 0 ~ 500mm, and precision is 0.001mm, is fixed in confined pressure tube inboard.Major function is the distance of 2 perception and test specimen 5 of giving off laser beam.
Described laser measurement sensor 1 is connected with data processing equipment 8 with data sink 7 by data line 9.
Described piston 3 tops also are provided with locking device 12.Described confined pressure tube 6 has jacking gear 10.
Described laser measurement sensor 1 is connected with data processing equipment 8 with data sink 7 by data line 9.Data sink 7 main by data line interface, data processing chip, communication chip, have power supply to join agreeable to the taste adjunct circuit to constitute.Major function is identification signal, and gives data processing equipment with digital signal transfers.Data processing equipment can be selected conventional computing machine, and the monitoring software of working out by computer programming language is installed in the computing machine.Major function is receiving digital signals and recovers and handle, with it with diagrammatic form record intuitively with preserve, in order to carry out more profound Treatment Analysis.
A kind of described device that adopts carries out the test specimen deformation method of monitoring in real time, may further comprise the steps:
One, test specimen 5 is put into confined pressure tube 6, the test specimen 5 in this example adopts the shape of diameter 300mm, high 600mm, and test specimen 5 two ends arrange test specimen cushion block 4, and place between piston 3 and the jacking gear 10;
Two, will seal confined pressure tube 6 and move to triaxial tester loading place, by the water filling in the confined pressure tube 6 of external forcing pump, until test confined pressure value, state keep-ups pressure;
Three, open laser measurement sensor 1, data sink 7, data processing equipment 8 switches, will make zero about distance terms data between laser measurement sensor 1 and the test specimen 5;
Four, by triaxial tester jacking gear 10 is risen, promote test specimen cushion block 4 and test specimen 5 risings, until contacting with piston 3, give piston 3 load applications by locking device 12, continue to keep test confined pressure value and load, by transversely deforming or the displacement of laser measurement sensor 1 measurement test specimen 5, and will send data sink 7 and data processing equipment 8 to after the signal processing, vertical displacement by the displacement of piston 3 is measured test specimen 5 destroys until test specimen 5;
Realize that by above-mentioned steps test specimen deformation is monitored in real time in the contactless liquid confined pressure.
When the displacement of position test specimen 5 was transfinited, data processing equipment 8 was reported to the police.
Claims (4)
1. test specimen deformation real-time monitoring device in the contactless liquid confined pressure
,Comprise confined pressure tube (6), confined pressure tube (6) lower end is provided with water injection hole (11), confined pressure tube (6) upper end is provided with piston (3), it is characterized in that: in confined pressure tube (6), be provided with the test specimen cushion block (4) for carrying test specimen (5), also be provided with a plurality of laser measurement sensors (1) for the deformation of monitoring test specimen (5) at confined pressure tube (6) inwall.
2. test specimen deformation real-time monitoring device in a kind of contactless liquid confined pressure according to claim 1
,It is characterized in that: described laser measurement sensor (1) is connected with data processing equipment (8) with data sink (7) by data line (9).
3. test specimen deformation real-time monitoring device in a kind of contactless liquid confined pressure according to claim 1
,It is characterized in that: described piston (3) top also is provided with locking device (12).
4. according to test specimen deformation real-time monitoring device in each described a kind of contactless liquid confined pressure of claim 1-3
,It is characterized in that: described confined pressure tube (6) has jacking gear (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105654 CN203178135U (en) | 2013-03-08 | 2013-03-08 | Device for monitoring deformation of test piece in liquid confining pressure in real time in non-contact manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105654 CN203178135U (en) | 2013-03-08 | 2013-03-08 | Device for monitoring deformation of test piece in liquid confining pressure in real time in non-contact manner |
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| CN203178135U true CN203178135U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320105654 Expired - Fee Related CN203178135U (en) | 2013-03-08 | 2013-03-08 | Device for monitoring deformation of test piece in liquid confining pressure in real time in non-contact manner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181931A (en) * | 2015-09-08 | 2015-12-23 | 大连理工大学 | Continuous measurement equipment for displacement/water absorption capacity of test sample in super-large triaxial test |
| CN109142667A (en) * | 2018-09-05 | 2019-01-04 | 西安近代化学研究所 | Explosive column axis radial deformation contactless measurement under a kind of temperature loading environment |
| CN110441157A (en) * | 2019-08-08 | 2019-11-12 | 中国地质大学（武汉） | A kind of rock confining pressure loading device for laser drilling experiment |
| CN112710549A (en) * | 2020-12-15 | 2021-04-27 | 西南交通大学 | Non-contact type rock-soil triaxial test piece body strain testing device |
| CN114323967A (en) * | 2020-10-12 | 2022-04-12 | 中国石油天然气股份有限公司 | Cement stone mechanical parameter measuring system and measuring method |
-
2013
- 2013-03-08 CN CN 201320105654 patent/CN203178135U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181931A (en) * | 2015-09-08 | 2015-12-23 | 大连理工大学 | Continuous measurement equipment for displacement/water absorption capacity of test sample in super-large triaxial test |
| CN109142667A (en) * | 2018-09-05 | 2019-01-04 | 西安近代化学研究所 | Explosive column axis radial deformation contactless measurement under a kind of temperature loading environment |
| CN109142667B (en) * | 2018-09-05 | 2021-02-26 | 西安近代化学研究所 | Non-contact measurement method for axial and radial deformation of explosive column under temperature loading condition |
| CN110441157A (en) * | 2019-08-08 | 2019-11-12 | 中国地质大学（武汉） | A kind of rock confining pressure loading device for laser drilling experiment |
| CN110441157B (en) * | 2019-08-08 | 2024-01-30 | 中国地质大学（武汉） | Rock confining pressure loading device for laser drilling experiment |
| CN114323967A (en) * | 2020-10-12 | 2022-04-12 | 中国石油天然气股份有限公司 | Cement stone mechanical parameter measuring system and measuring method |
| CN112710549A (en) * | 2020-12-15 | 2021-04-27 | 西南交通大学 | Non-contact type rock-soil triaxial test piece body strain testing device |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20130904 Termination date: 20140308 |