CN110618034A - Rock tensile creep experiment test instrument - Google Patents
Rock tensile creep experiment test instrument Download PDFInfo
- Publication number
- CN110618034A CN110618034A CN201910996809.7A CN201910996809A CN110618034A CN 110618034 A CN110618034 A CN 110618034A CN 201910996809 A CN201910996809 A CN 201910996809A CN 110618034 A CN110618034 A CN 110618034A
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- Prior art keywords
- rock
- shell
- control cabinet
- test instrument
- stretching device
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- 239000011435 rock Substances 0.000 title claims abstract description 59
- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000002474 experimental method Methods 0.000 title claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/04—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring the deformation in a solid, e.g. by vibrating string
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0071—Creep
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0658—Indicating or recording means; Sensing means using acoustic or ultrasonic detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a rock tension creep experiment testing instrument which comprises a shell, a groove, a control cabinet, a button, a computer, a connector, a displacement sensor, an ultrasonic detector, a pressure chamber, a transverse tensioner, a longitudinal tensioner, a vertical tensioner, a pressurizing contactor, a piston rod, a power cylinder, a piston and a power regulator. Horizontal tensioning ware is being controlled to the button above the switch board, vertical tensioning ware and vertical tensioning ware, and displacement sensor and ultrasonic detector also control through the button, advance and retreat through the button control piston above the switch board, thereby carry out the loading to the pressure of device, the better creep to the rock of help experimenter is tested, the recess sets up the intermediate position department at the casing, and the inside of recess is provided with the rock, the inside at the recess is placed to the rock cutting that will test, be convenient for the device carries out adding of pressure to the rock and holds, and then the creep variable of rock tensioning is analyzed out through the computer, the creep precision of rock is improved.
Description
Technical Field
The invention relates to a creep device, in particular to a rock tension creep experiment testing instrument.
Background
The rock-soil mechanics test system is test and detection equipment commonly used for scientific research and engineering detection of rocks in the current rock-soil field, and mainly relates to a pressure chamber structure of a triaxial pressure tester, aiming at simulating and researching the change condition of the rocks under the stress condition of a prototype, wherein the tester can finish the damage forms of the rocks such as strength test, relaxation test, creep test, overall process damage test and the like under a uniaxial state and a triaxial state, including pulling damage and shearing damage. The rock is compression-resistant and tensile-resistant, and the overall stability of the rock engineering is controlled by the pulling damage. The existing rock tensile failure and creep failure experiments are mainly realized by a press machine, and in industry, a triaxial rock creep tester is used for testing the creep of rocks so as to meet the rock creep tests in industrial application, but no experimental instrument specially aiming at tensile creep failure exists.
Therefore, aiming at the problems, the rock tensile creep experimental testing instrument is provided.
Disclosure of Invention
The invention aims to solve the problems and provide a rock tensile creep experiment testing instrument.
The invention realizes the purpose through the following technical scheme: a rock tension creep experiment testing instrument comprises a shell, a control cabinet and a computer, wherein a groove is formed in the middle of the shell, a connecting body is arranged in the middle of the outer portion of the shell, a vertical tension device is arranged in the middle of the upper surface of the connecting body, a pressure chamber is arranged in the middle of the vertical tension device, a power regulator and a piston are arranged inside the pressure chamber, transverse tension devices are arranged on the left side and the right side of the shell, a longitudinal tension device is arranged in front of the shell, the transverse tension device, the longitudinal tension device and the vertical tension device are all composed of a pressurizing contactor, a piston rod and a power cylinder, and the pressure chamber is connected to the control cabinet;
the positive front end of the control cabinet is provided with a button, the control cabinet is connected to a computer, and the control cabinet is respectively connected with the displacement sensor and the ultrasonic detector.
Preferably, the displacement sensors are arranged on the transverse position and the vertical position of the shell, and the displacement sensors adopt infrared ray displacement sensors.
Preferably, three pressurizing contactors are provided with ultrasonic detectors, and the ultrasonic detectors are connected to a control cabinet.
Preferably, the connecting plates are arranged on the front outer side and the rear outer side of the shell, and the connecting plates are of an inverted U-shaped structure.
Preferably, the piston rod passes through the piston and is connected to the power cylinder, and the front end of the power cylinder is provided with the power controller.
Preferably, the button on the control cabinet controls the transverse stretching device, the longitudinal stretching device and the vertical stretching device, and the displacement sensor and the ultrasonic detector are also controlled by the button.
Preferably, the computer is connected to the control cabinet through a transmission line, and the computer can be set to be remotely controlled.
Preferably, the groove is provided at a middle position of the housing, and a rock is provided inside the groove.
The invention has the beneficial effects that: the rock tension creep experiment test instrument is reasonable in design, the displacement sensors are arranged on the transverse position and the vertical position of the shell, the displacement sensors adopt infrared displacement sensors, the pressurizing distance of the rock can be calculated through a computer, the creep precision can be better analyzed, the three pressurizing contactors are respectively provided with an ultrasonic detector which is connected to the control cabinet, the deformation in the vertical direction and the deformation in the horizontal direction can be measured through the ultrasonic detectors, the test effect of the test instrument is improved, the connecting plates are arranged on the front outer side and the rear outer side of the shell and are of an inverted U-shaped structure, the vertical tension device is convenient to install in the vertical direction, meanwhile, the instrument can be helped to measure the tension creep in each direction, the piston rod penetrates through the piston to be connected to the power cylinder, and the front end of the power cylinder is provided with the power controller, the power controller is used for controlling the pressure applied to the rock, the stress condition of the rock in each direction can be ensured, the button on the control cabinet controls the transverse stretching device, the longitudinal stretching device and the vertical stretching device, the displacement sensor and the ultrasonic detector are also controlled by buttons, the advance and retreat of the piston are controlled by the buttons on the control cabinet, thereby loading the pressure of the device and helping experimenters to better test the creep of the rock, the computer is connected on the control cabinet through a transmission line, and the computer can set up to remote control, and the recess setting is in the intermediate position department of casing, and the inside of recess is provided with the rock, and the rock that will test is cut and is placed in the inside of recess, and the device of being convenient for carries out the pressure to the rock and holds with, and then comes the creep deformation volume of assay out the rock tension through the computer, improves the creep accuracy of rock.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the power cell of the present invention;
in the figure: 1. a housing; 2. a groove; 3. a control cabinet; 4. a button; 5. a computer; 6. a linker; 7. a displacement sensor; 8. an ultrasonic detector; 9. a pressure chamber; 10. a lateral stretching device; 11. a longitudinal stretching device; 12. a vertical stretching device; 13. a pressurizing contactor; 14. a piston rod; 15. a power cylinder; 16. a piston; 17. a power regulator.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a rock tensile creep experiment testing instrument comprises a shell 1, a control cabinet 3 and a computer 5, wherein a groove 2 is arranged in the middle of the shell 1, a connecting body 6 is arranged in the middle of the outer part of the shell 1, a displacement sensor 7 is arranged at the transverse position and the vertical position of the shell 1, the displacement sensor 7 adopts an infrared displacement sensor, the pressurizing distance of each rock can be calculated through the computer, the creep precision of the rock can be better analyzed, a vertical tension device 12 is arranged at the middle position of the upper surface of the connecting body 6, a pressure chamber 9 is arranged in the middle of the vertical tension device 12, three pressurizing contactors 13 are respectively provided with an ultrasonic detector 8, the ultrasonic detectors 8 are connected to the control cabinet 3, and the deformation in the vertical direction and the deformation in the horizontal direction can be measured through the ultrasonic detectors, the testing effect of the testing instrument is improved, a power regulator 17 and a piston 16 are arranged in the pressure chamber 9, the left side and the right side of the shell 1 are provided with a transverse stretching device 10, the front of the shell 1 is provided with a longitudinal stretching device 11, the transverse stretching device 10, the longitudinal stretching device 11 and the vertical stretching device 12 are all composed of a pressurizing contactor 13, a piston rod 14 and a power cylinder 5, the connecting plate 6 is arranged on the front side and the rear side of the shell 1, the connecting plate 6 is arranged in an inverted U-shaped structure, so that the vertical stretching device can be conveniently installed in the vertical direction, meanwhile, the instrument can be helped to measure the stretching creep in each direction, the piston rod 14 penetrates through the piston 16 to be connected onto the power cylinder 15, the front end of the power cylinder 15 is provided with the power controller 17, the pressure applied to the rock is controlled through the power controller 17, and the stress condition of the rock in each direction can be, the pressure chamber 9 is connected to the control cabinet 3, a button 4 is arranged at the front end of the control cabinet 3, the control cabinet 3 is connected to a computer 5, the button 4 on the control cabinet 3 controls the transverse stretching device 10, the longitudinal stretching device 111 and the vertical stretching device 12, the displacement sensor 7 and the ultrasonic detector 8 are also controlled by the button 4, the piston is controlled to advance and retreat by the button on the control cabinet, so that the pressure of the device is loaded, an experimenter is helped to better test the creep deformation of rocks, the control cabinet 3 is respectively connected with the displacement sensor 7 and the ultrasonic detector 8, the computer 5 is connected to the control cabinet 3 through a transmission line, the computer 5 can be set to be remotely controlled, the groove 2 is arranged at the middle position of the shell 1, and rocks are arranged inside the groove 2, the rock that will test is cut and is placed in the inside of recess, and the device of being convenient for carries out the pressure to the rock and holds, and then goes out the creep deformation volume that the rock was stretched through the computer analysis, improves the creep precision of rock.
The working principle is as follows: when using this rock tensile creep experiment test instrument, firstly, the rock that will need the test is cut into suitable shape size, place in recess 2, make the rock just in time fix at recess 2, through button 4 control power cylinder 15 above the switch board 3 make horizontal tensioner 10, vertical tensioner 11 and vertical tensioner 12 can pressurize to the rock, secondly, in order to verify the creep condition of rock, can change every axial pressure through pressure controller 17, with the pressure generation pull, test out data by ultrasonic detector 8 and displacement sensor 7 simultaneously, transmit the enterprising line analysis of computer 5 through the transmission line, finally obtain the creep effect that the rock was tensioned.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a rock tensile creep experiment test instrument, includes casing (1), switch board (3) and computer (5), its characterized in that: the middle of the shell (1) is provided with a groove (2), the middle of the outer part of the shell (1) is provided with a connecting body (6), the middle position of the upper surface of the connecting body (6) is provided with a vertical stretching device (12), the middle of the vertical stretching device (12) is provided with a pressure chamber (9), the inside of the pressure chamber (9) is provided with a power regulator (17) and a piston (16), the left side and the right side of the shell (1) are provided with transverse stretching devices (10), the front of the shell (1) is provided with a longitudinal stretching device (11), each of the transverse stretching devices (10), the longitudinal stretching device (11) and the vertical stretching device (12) consists of a pressurizing contactor (13), a piston rod (14) and a power cylinder (15), and the pressure chamber (9) is connected to the control cabinet (3);
the ultrasonic wave detector is characterized in that a button (4) is arranged at the front end of the control cabinet (3), the control cabinet (3) is connected to a computer (5), and the control cabinet (3) is connected with a displacement sensor (7) and an ultrasonic detector (8) respectively.
2. The rock tensile creep test instrument of claim 1, wherein: the displacement sensor (7) is arranged on the transverse position and the vertical position of the shell (1), and the displacement sensor (7) adopts an infrared displacement sensor.
3. The rock tensile creep test instrument of claim 1, wherein: all be provided with ultrasonic detector (8) on three pressurization contactor (13), just ultrasonic detector (8) are connected to on switch board (3).
4. The rock tensile creep test instrument of claim 1, wherein: the connecting plates (6) are arranged on the two sides of the front outer side and the rear outer side of the shell (1), and the connecting plates (6) are of an inverted U-shaped structure.
5. The rock tensile creep test instrument of claim 1, wherein: the piston rod (14) penetrates through the piston (16) to be connected to the power cylinder (15), and the front end of the power cylinder (15) is provided with a power controller (17).
6. The rock tensile creep test instrument of claim 1, wherein: the horizontal stretching device (10), the longitudinal stretching device (11) and the vertical stretching device (12) are controlled by a button (4) on the control cabinet (3), and the displacement sensor (7) and the ultrasonic detector (8) are also controlled by the button (4).
7. The rock tensile creep test instrument of claim 1, wherein: the computer (5) is connected to the control cabinet (3) through a transmission line, and the computer (5) can be set to be remotely controlled.
8. The rock tensile creep test instrument of claim 1, wherein: the groove (2) is arranged in the middle of the shell (1), and rocks are arranged in the groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996809.7A CN110618034A (en) | 2019-10-19 | 2019-10-19 | Rock tensile creep experiment test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996809.7A CN110618034A (en) | 2019-10-19 | 2019-10-19 | Rock tensile creep experiment test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110618034A true CN110618034A (en) | 2019-12-27 |
Family
ID=68926155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910996809.7A Pending CN110618034A (en) | 2019-10-19 | 2019-10-19 | Rock tensile creep experiment test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110618034A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589989A (en) * | 2012-02-10 | 2012-07-18 | 重庆大学 | Single-shaped pulling-pressing double-function creepmeter |
| CN102621012A (en) * | 2012-03-31 | 2012-08-01 | 重庆大学 | Multifunctional true triaxial rock creepmeter |
| CN104897467A (en) * | 2015-07-01 | 2015-09-09 | 山东理工大学 | True-triaxial loading and unloading rock stress relaxation test device and test method |
| US20160054211A1 (en) * | 2013-03-27 | 2016-02-25 | Shandong University | Device and method for measuring true triaxial creep of geotechnical engineering test block |
| CN105403468A (en) * | 2015-12-29 | 2016-03-16 | 华中科技大学 | Creep testing machine |
| CN105987848A (en) * | 2016-06-28 | 2016-10-05 | 辽宁工程技术大学 | Rock tension creep experiment test instrument |
-
2019
- 2019-10-19 CN CN201910996809.7A patent/CN110618034A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589989A (en) * | 2012-02-10 | 2012-07-18 | 重庆大学 | Single-shaped pulling-pressing double-function creepmeter |
| CN102621012A (en) * | 2012-03-31 | 2012-08-01 | 重庆大学 | Multifunctional true triaxial rock creepmeter |
| US20160054211A1 (en) * | 2013-03-27 | 2016-02-25 | Shandong University | Device and method for measuring true triaxial creep of geotechnical engineering test block |
| CN104897467A (en) * | 2015-07-01 | 2015-09-09 | 山东理工大学 | True-triaxial loading and unloading rock stress relaxation test device and test method |
| CN105403468A (en) * | 2015-12-29 | 2016-03-16 | 华中科技大学 | Creep testing machine |
| CN105987848A (en) * | 2016-06-28 | 2016-10-05 | 辽宁工程技术大学 | Rock tension creep experiment test instrument |
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Application publication date: 20191227 |
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| RJ01 | Rejection of invention patent application after publication |