CN204404996U - A kind of rock mass discontinuity waviness measuring instrument - Google Patents
A kind of rock mass discontinuity waviness measuring instrument Download PDFInfo
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- CN204404996U CN204404996U CN201520110785.8U CN201520110785U CN204404996U CN 204404996 U CN204404996 U CN 204404996U CN 201520110785 U CN201520110785 U CN 201520110785U CN 204404996 U CN204404996 U CN 204404996U
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- rock mass
- measuring instrument
- mass discontinuity
- chip microcomputer
- waviness
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Abstract
The utility model discloses a kind of rock mass discontinuity waviness measuring instrument, comprise matrix probe, pillar, panel, D/A, code translator, single-chip microcomputer, display.Measuring instrument is positioned on rock mass discontinuity by pillar, described pillar is fixed with panel, matrix probe contacts with rock mass discontinuity through panel, resistance value corresponding to described matrix probe waviness difference is delivered to single-chip microcomputer by D/A, code translator, and is shown collection result by display.The utility model energy is automatic, batch capture rock mass discontinuity waviness data, and each collection result is all directly presented on screen, very clear, does not need aided solving.And can according to the height of different object adjustment test panel, very easy to use, can reflect accurately and quickly rock mass soft/undulation in hard structure face, rough pattern, degree of roughness, measure its roughness and Undulating angle.
Description
Technical field
The utility model relates to a kind of rock mass structure measurement mechanism, relates in particular to a kind of rock mass discontinuity waviness measuring instrument.
Background technology
The configuration of surface of rock mass discontinuity and its mechanical property closely related, and then determine mechanical property and the Evaluation of Rock Mass Quality index of rock mass.That is, in the shearing principle model and experimental formula of structural plane, only comprise the actual mechanical behavior in the correct reflect structure face of structural plane waviness correlation parameter ability.So, indoor and outdoor carries out fine description and mensuration to rock mass discontinuity configuration of surface, have very high scientific research value and practical implementation demand, being the basis of the mechanical mechanism such as research structure facial disfigurement and intensity, is also the condition precedent setting up its corresponding geology-mechanical model.
In general, the measurement of rock mass discontinuity oscillating curves has laser method and Mechanical Method two kinds.Laser method measuring accuracy is higher, but surveying instrument is complicated and need key rock section, becomes the bottleneck that it is applied on a large scale, can not apply in the wild well.Sometimes, due to factor impacts such as rock mass discontinuity surface weathering, the result of use of laser method surveying instrument is not ideal.The conventional method in field mainly utilizes dial gauge to insert measure waviness numerical value at rock mass discontinuity spaced surface, its measuring accuracy and the speed of drafting all undesirable.And for hand dipping instrument, its speed is comparatively slow, especially when working environment is poor, as insufficient light location etc. in the measurement of vertical structural plane, rich groundwater location, tunnel, be difficult to application.
Utility model content
For the above-mentioned technical matters existing for prior art, the utility model is to provide that a kind of structure is simple, easy to operate, measuring speed is fast, the rock mass discontinuity waviness measuring instrument of reliable results.
The technical scheme that the utility model solves the problems of the technologies described above is: a kind of rock mass discontinuity waviness measuring instrument, comprise detection metal needle, pillar, panel, single-chip microcomputer, D/A, photoelectrical coupler, silicon controlled rectifier, power supply, programmable amplifier, analog switch, frequency divider, display, 485 telecommunication circuits, PC, storer, measuring instrument is placed on rock mass discontinuity by pillar, described pillar is fixed with panel, detection metal needle contacts with rock mass discontinuity through panel, single-chip microcomputer passes through photoelectrical coupler, silicon controlled rectifier is connected with described detection metal needle, described detection metal needle is connected with described single-chip microcomputer by analog switch, described analog switch passes through programmable amplifier, D/A is connected with described single-chip microcomputer, described single-chip microcomputer is connected with PC by 485 telecommunication circuits, collection result is stored in storer by described single-chip microcomputer, and by display, collection result is shown.
Described single-chip microcomputer is STM32F103RB.
Described D/A is DAC0832.
Described detection metal needle is the matrix probe of 19 × 19.
Described measuring instrument also comprises the hummer that can send alerting signal, and matrix probe is if any non-conducting, and hummer will send buzzing alerting signal.
Described pillar is scalable, can according to the height of different rock mass discontinuity rolling shape adjustment measuring instrument panel.
The utility model adopts robotization rock mass discontinuity waviness measuring instrument, enrolls the calculation procedure of robotization, batch capture rock mass discontinuity waviness data, thoroughly solves the single reading of image data, the single problem solved.Each collection result is all directly presented on screen, very clear, do not need aided solving, and can according to the height of different rock mass discontinuity adjustment measuring instrument panel, very easy to use, can reflect accurately and quickly rock mass soft/undulation in hard structure face, rough pattern, degree of roughness, measure its roughness and Undulating angle.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model measuring instrument;
Fig. 2 is the vertical view of the utility model measuring instrument;
Fig. 3 is the right view of the utility model measuring instrument;
Fig. 4 is the electrical block diagram of the utility model measuring instrument;
Fig. 5 is the integrated circuit structure figure of the utility model measuring instrument.
Embodiment
As Fig. 1, 2, shown in 3, rock mass discontinuity waviness measuring instrument of the present utility model, comprise the matrix probe 1 of 19 × 19, panel 2, change-over switch 3, LCD liquid crystal display screen 4, pin clamp 5, telescopic pillar 6, rock mass sample 7, matrix probe receptacle 8, steel frame 9, panel 2 is integrated with D/A DAC0832, code translator 74LS138, single-chip microcomputer STM32F103RB, hummer, measuring instrument is placed on rock mass sample 7 structural plane by pillar 6, panel 2 is fixed on pillar 6, matrix probe 1 contacts with rock mass sample 7 structural plane through panel 2, resistance value corresponding to matrix probe 1 waviness difference is by D/A DAC0832, code translator 74LS138 is delivered to single-chip microcomputer STM32F103RB through RS-485 serial communication bus, and the coordinate figure passing through LCD liquid crystal display screen 4 display spy point is poor with fluctuating.During measurement, when matrix probe 1 has non-conducting, utilize the communication port of STM32F103RB to be connected with matrix probe 1, send sense command to it and accept resistance data; Matrix probe is if any non-conducting, and hummer will send buzzing alerting signal.
As shown in Figure 4, single-chip microcomputer is connected with detection metal needle by photoelectrical coupler, silicon controlled rectifier, detection metal needle is connected with described single-chip microcomputer by analog switch, analog switch is connected with single-chip microcomputer by programmable amplifier, D/A, single-chip microcomputer is connected with PC by 485 telecommunication circuits, collection result is stored in storer by single-chip microcomputer, and is shown collection result by display.
Matrix probe 1 operationally, is carry out key range according to the level value of line and alignment point of crossing, visits point, only need m+n position I/O port for m × n.The present embodiment adopt be 19 × 19 matrix probe 1.For the keyboard of 19 × 19=361 key, as long as adopt matrix-style 19 lead-in wires just to complete being connected of probe with 28 bit ports.
DAC0832 is a D/A(digital-to-analog that National Semiconductor produces) converter, it adopts CMOS technology and R-2RT shape resistance decoding network, and transformation result is exported by pair of differential electric current I 01 and I02.The digital signal being mainly used to be squeezed into by switch is in the present embodiment converted to corresponding simulating signal.
As shown in Figure 5,74LS138 is used for SL0 ~ SL2 being locked the signal determined is translated into matrix keyboard row selection line through code translator in the present embodiment.
Using panel 2 and rock mass sample 7 bottom surface as reference plane, matrix probe 1 is used to record the resistance difference of rock mass sample 7 structural plane difference fluctuating along shear direction, the distance of rock mass sample 7 structural plane and panel 2 is drawn, the waviness of final statistics shear surface according to R=ρ L/S.
The size of measuring instrument needs to cover field and takes sample cutting (comprising concrete) in interior rock mass discontinuity or indoor among a small circle, and it is 40 × 40cm that length and width are got in comprehensive indoor and outdoor scientific research and engineering practice
2, internal placement 19 round, often arranges 19, and the scope covered is as the criterion with the size of reality test rock mass sample.As shown in Figure 1, the panel 2 of measuring instrument is of a size of: 4 columns are the cylindrical wooden unit of diameter phi 20mm, high 10mm, connect as one with the aluminum pin of diameter phi 8mm; Consider the difference of rock mass specimen height, be processed with the annular wooden unit of 4 diameter phi 20mm, high 10mm in addition, inner ring size is consistent with the diameter of pin, can penetrate in pin, to adjust the height of plank.
The utility model instead of manual measurement in the past by electronic control mode, utilizes the resistance variations of matrix probe 1 to react the fluctuating of probe, thus indirectly show that the fluctuating on rock mass surface is poor.By adopting universal 64 pin STM32 microcontrollers, peripheral circuit is equipped with analog-digital chip DAC0832, digital-to-analog conversion is carried out to the resistance signal collected, adopt LCD liquid crystal display screen as terminal demonstration, use RS-485 serial communication, and be equipped with No. 0-No. 18 detection channels, each passage has 19 measuring points, gather the resistance information of measuring point, obtained the variable signal risen and fallen by resistivity formula R=ρ L/S, R-detects metal needle resistance; ρ-detection metal needle resistivity; L-detects metal needle length; S-detects metal needle cross sectional area.
The process using the utility model to carry out measuring is as follows:
(1) logical 5V direct current, opens measuring instrument, system initialization;
(2) instrument self checking is started, monitoring matrix probe 1 whether conducting, if any non-conducting, hummer will send buzzing alerting signal;
(3) relevant informations such as engineering name, testing location, testDate, tester are inputted;
(4) confirm the height arranging reference field parameter and telescopic prop 6 after instrument normally, pillar 6 is highly not more than the twice of rock mass sample 7 thickness, by matrix keyboard input basic side parameter, and starts to measure by confirmation;
(5) test pattern is selected, and test pattern is divided into single and composite mode;
Single admission passage is selected to select interface, such as, 19 probes of No. 0, passage are pressed until contact with rock mass discontinuity, end of operation by No. 0, selector channel, probe parameter is selected to return, LCD liquid crystal display screen 4 is by poor with the fluctuating of the form of rectangular coordinate display probe, and horizontal ordinate is for visiting some numbering, and ordinate is that the fluctuating of probe is poor, after confirmation, click data is preserved;
Composite mode and single class of operation seemingly, such as, select No. 0 to No. 10 passage, the passage selected conducting simultaneously, presses probe return data, just shows in LCD liquid crystal display screen 4 successively by change-over switch 3 data, click data is preserved, and data will be kept in built-in removable SD card;
(6) observed data, enters SD card data management, such as, selects engineering 1, derived data, observable engineering 1 data, and also can carry out deletion management, STM32 onboard flash memory is 128kB, so will regularly manage, or pours outside SD card into;
(7) close instrument, remove SD card and be communicated with personal PC machine, data are jpg form, and available pictures software is opened and observed, and are not supported on PC and carry out the process of spy point coordinate data.
Claims (6)
1. a rock mass discontinuity waviness measuring instrument, it is characterized in that, comprise detection metal needle, pillar, panel, single-chip microcomputer, D/A, photoelectrical coupler, silicon controlled rectifier, power supply, programmable amplifier, analog switch, frequency divider, display, 485 telecommunication circuits, PC, storer, measuring instrument is positioned on rock mass discontinuity by pillar, described pillar is fixed with panel, detection metal needle contacts with rock mass discontinuity through panel, single-chip microcomputer passes through photoelectrical coupler, silicon controlled rectifier is connected with described detection metal needle, described detection metal needle is connected with described single-chip microcomputer by analog switch, described analog switch passes through programmable amplifier, D/A is connected with described single-chip microcomputer, described single-chip microcomputer is connected with PC by 485 telecommunication circuits, collection result is stored in storer by described single-chip microcomputer, and by display, collection result is shown.
2. rock mass discontinuity waviness measuring instrument as claimed in claim 1, it is characterized in that, described single-chip microcomputer is STM32F103RB.
3. rock mass discontinuity waviness measuring instrument as claimed in claim 1, it is characterized in that, described D/A is DAC0832.
4. rock mass discontinuity waviness measuring instrument as claimed in claim 1, it is characterized in that, described detection metal needle is the matrix probe of 19 × 19.
5. rock mass discontinuity waviness measuring instrument as claimed in claim 1, it is characterized in that, described measuring instrument also comprises the hummer that can send alerting signal.
6. rock mass discontinuity waviness measuring instrument as claimed in claim 1, it is characterized in that, described pillar is scalable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520110785.8U CN204404996U (en) | 2015-02-15 | 2015-02-15 | A kind of rock mass discontinuity waviness measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520110785.8U CN204404996U (en) | 2015-02-15 | 2015-02-15 | A kind of rock mass discontinuity waviness measuring instrument |
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| Publication Number | Publication Date |
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| CN204404996U true CN204404996U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520110785.8U Expired - Fee Related CN204404996U (en) | 2015-02-15 | 2015-02-15 | A kind of rock mass discontinuity waviness measuring instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613864A (en) * | 2015-02-15 | 2015-05-13 | 湖南科技大学 | Rock mass structure surface relief amplitude measuring instrument and measuring method using measuring instrument |
| CN108709531A (en) * | 2018-06-01 | 2018-10-26 | 上海航天设备制造总厂有限公司 | The flexible apparatus of the measurement of planeness |
-
2015
- 2015-02-15 CN CN201520110785.8U patent/CN204404996U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613864A (en) * | 2015-02-15 | 2015-05-13 | 湖南科技大学 | Rock mass structure surface relief amplitude measuring instrument and measuring method using measuring instrument |
| CN104613864B (en) * | 2015-02-15 | 2017-04-26 | 湖南科技大学 | Rock mass structure surface relief amplitude measuring instrument and measuring method using measuring instrument |
| CN108709531A (en) * | 2018-06-01 | 2018-10-26 | 上海航天设备制造总厂有限公司 | The flexible apparatus of the measurement of planeness |
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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: 20150617 Termination date: 20200215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |