CN103267477A - Adjustable variable-resistance structural surface three-dimensional shape measuring device - Google Patents
Adjustable variable-resistance structural surface three-dimensional shape measuring device Download PDFInfo
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- CN103267477A CN103267477A CN2013102404151A CN201310240415A CN103267477A CN 103267477 A CN103267477 A CN 103267477A CN 2013102404151 A CN2013102404151 A CN 2013102404151A CN 201310240415 A CN201310240415 A CN 201310240415A CN 103267477 A CN103267477 A CN 103267477A
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Abstract
The invention provides an adjustable variable-resistance structural surface three-dimensional shape measuring device, comprising an adjustable base support and variable-resistance measuring probes, wherein a probe base is arranged in the adjustable base support; an insulating housing, which is composed of an insulating sleeve and a built-in insulating sleeve, is arranged in each variable-resistance measuring probe, a conductive steel ball ring is transversely arranged on each insulating sleeve, a separator is arranged at the lower end of each insulating sleeve, and the upper end of each built-in insulating sleeve is fastened into the lower end of the corresponding insulating sleeve; a probe shaft slideway is axially arranged on each insulating housing; a probe shaft is located in each probe shaft slideway and the point of each probe extends out of the corresponding built-in insulating sleeve; an insulating rod, which is mounted at the upper part of the corresponding probe shaft and coaxial with the corresponding probe shaft, is arranged in the corresponding insulating sleeve; a resistance wire coil winds the corresponding insulating rod and passes through an inner hole of the corresponding conductive steel ball ring to be in contact with a conductive steel ball; an output lead is arranged at the upper part of each conductive steel ball ring, while an input lead is arranged at the top of each resistance wire coil; and clamping teeth matched with probe clamping seats on the probe base are formed on the lower parts of the insulating sleeves. The adjustable variable-resistance structural surface three-dimensional shape measuring device is simple in structure, convenient to operate, high in working efficiency, low in manufacture cost, and high in practicability.
Description
Technical field:
The present invention relates to a kind of rock mass discontinuity 3 d surface topography measurement mechanism, particularly be a kind ofly to regulate the rheostat structure and apparatus for measuring three-dimensional profile.
Background technology:
The influence of structural plane is to make the rock mass mechanics different in kind in the basic reason of complete rock mass.It is research rock mass deformation and strength characteristic that the real topography of structural plane is accurately measured, the prerequisite of evaluation structure face rock stability.The structural plane degree of roughness is one of key mechanics parameter of solid structure face, yet the structural plane surface is that coarse fluctuating is rough, and its coarse fluctuating quantity is ever-changing, and it is a difficult problem that its real topography is accurately measured always.Measurement mostly is its roughness section curve of measurement to structural plane in reality, its three-dimensional appearance is considered not enough, yet itself complexity of rock mass discontinuity is difficult to simply represent with several groups of profile lines, must take into full account its three-dimensional appearance, and its three-dimensional appearance is accurately measured.At present in this field, the 3 D measuring method of structural plane is mainly contained two big classes, namely optical method and Mechanical Method are two kinds.Though current have the part optical instrument can carry out precision measurement, but be used for indoor measurement research more, and optical measuring apparatus requires harsh to operating environment, need standard rock section test specimen, can not use in the open air well, sometimes because factors such as structural plane surface weathering and underground water infiltration, insufficient light, dust enrichment can influence result of use (for example underground chamber construction of surveying instrument, adit, the vertical shaft of dam phase of exploration excavation, actual engineerings such as highway, the construction of railway tunnel).Thereby cause it in production and research work, to be difficult to generally promote the use.Mainly be to utilize dial gauge to measure the roughness parameter of structural plane in the insertion of structural plane spaced surface during the conventional mechanical method is worked in the open air, obtain indirectly, its measuring accuracy and render speed are all undesirable, the labour intensity height, and be subjected to the influence of working environment bigger, practicality is relatively poor in engineering practice.
Summary of the invention:
The objective of the invention is in order to overcome the deficiency that at present existing rock mass discontinuity surface figure measuring device exists, provide a kind of simple in structure, easy to operate, high efficiency, cost economic, practical, satisfy the rheostat the regulated structural plane three-dimensional surface shape measurement mechanism of the needs of engineering construction and scientific research.
The object of the present invention is achieved like this:
The present invention can regulate rheostat structural plane apparatus for measuring three-dimensional profile, adjustable base seat support is arranged in this device, the rheostat measuring probe, control box, can regulate outer hold-down support is arranged in the base seat support, the middle rod support that rotates, interior mobile rod support, probe base, the middle rod support that rotates is arranged in outer hold-down support, two horizontal rotating shafts are contained on outer fixedly rod support two corresponding sides respectively and rotate the rod support corresponding edge in passing respectively and rotate rod support in making and fix around the rotation of two horizontal rotating shafts and by fixture, the middle rotation on the relative two sides of rod support has the horizontal concrete chute that is parallel to two horizontal rotating shaft axis respectively, mobile rod support slided along horizontal concrete chute and also can fix by fixture in mobile rod support corresponding end drove in two upper ends that are contained in the transverse slider in two horizontal concrete chutes were respectively passed respectively, on the interior mobile rod support the vertical chute vertical with two horizontal concrete chutes arranged, probe base be contained on vertical chute and longitudinally chute slide and can fix, at least one probe deck is arranged on the probe base, in the rheostat measuring probe by by the insulation shell that built-in insulation sleeve pipe that conduction steel ball ring and lower end insulating sleeve and the upper end by dividing plate snap in the insulation tube lower end is formed laterally is housed, insulation shell has the probe shaft slideway vertically, probe shaft is arranged in the probe shaft slideway and needle point stretches out outside the built-in external insulation casing pipe, in the built-in insulation sleeve pipe spring cavity is arranged, be positioned at first spring housing of spring cavity on probe shaft, have in the insulating sleeve be contained in probe shaft top and with the insulation rod of probe shaft coaxial cable, be wound with resistance wire coil on the insulation rod and be through on the conduction steel ball ring endoporus and contact with the conduction steel ball, on conduction steel ball ring top output lead is arranged, input lead is arranged at the resistance wire coil top, thereby electric current forms the closed-loop path from resistance wire coil top input from the output of conduction steel ball ring, and the latch that cooperates with probe deck on the probe base is arranged at built-in insulation sleeve pipe bottom.
Be positioned at the position equipped amount hornwork of horizontal rotating shaft on the above-mentioned outer hold-down support, there is horizontal rule the position of relative horizontal concrete chute on the middle rotating stand, and there is vertical rule the position of vertical relatively chute on the interior mobile rod support.
Between above-mentioned insulation rod upper end and insulating sleeve top second spring is housed.
Probe deck on the above-mentioned probe base is three, and the rheostat measuring probe is three, is contained on three probe decks respectively.
In the above-mentioned probe base base is arranged, be arranged in the longitudinal sliding block that stretches into vertical chute of base bottom, base-mounted two slide bars, the compression spring is housed respectively on two slide bars, the seat of honour is contained on two slide bars by the slide opening that cooperates with two slide bars respectively, deck is positioned on the seat of honour, slide bar be positioned between base and the seat of honour on, the suction sheet is housed respectively on the upper/lower positions, magnet, electromagnet is controlled by electro-magnet control switch by lead, electromagnet energising back contacts with the suction sheet, thereby the compression spring on the compression slide bar drives probe and moves downward, behind the turn-off current, electromagnet breaks away from the suction sheet, and the rheostat probe returns original height by the compression springback.
The level that is equipped with respectively around the above-mentioned outer hold-down support is regulated studdle, is regulated the adjusting hold-down nut that studdle cooperates with level, on the outer hold-down support spirit-leveling instrument is housed.
Measurement mechanism of the present invention can be measured the structural plane (0-60 °) of low-angle dip in the open air.Lay measurement mechanism at the low-angle dip structural plane and need use spirit-leveling instrument, spirit-leveling instrument is lain on the outer hold-down support frame upper surface, four studdles of regulating device, make the exterior fixing rack frame horizontal, rotate rod support in rotating again, rotational angle is the structural plane inclination angle, makes inserting tube all the time perpendicular to structural plane, tightens each nut after adjustment is finished.Select an appropriate point as initial point on the structural plane surface, begin to measure from this point.Interior mobile rod support and probe base are moved to zero place on the rule, at the steady rheostat inserting tube of the upper strata of pedestal card, start electromagnet and attract the pedestal upper strata, make the pedestal upper strata drive inserting tube integral body to the lower compression spring, and be fixed on a highly constant position, at this moment, probe tip touches rock surface, and be pressed into inserting tube inside, and change the length of inserting tube internal resistance silk, cause that electric current changes, electric current is through the numerical value conversion, demonstrate the length of probe indentation at display screen, because the height of inserting tube is fixed, the length of probe indentation has just been represented the relative relief of this point of rock surface.For reducing workload, improving and measure efficient, three identical inserting tubes are placed on the probe base side by side, so just can three points of one-shot measurement.Because the probe tip of three inserting tubes is 25mm at interval, so measurement data will be recorded on the record sheet according to certain rules.
After a measuring point is finished, close electro-magnet switch, the spring pedestal of upspringing, line on line on the probe base and the interior mobile rod support is snapped to another scale place, and displacement is decided by required, and displacement is more little, measured result is also just more accurate, and displacement is more big, and degree of accuracy but descends.The minimum displacement of this instrument is 1mm, according to experience that practice obtains, recommends displacement 5,10,15,20mm,
Apparatus of the present invention overcome the deficiency that at present existing rock mass discontinuity 3 d surface topography measurement mechanism exists, be that a cover is easy to operate, cost economic, practical, can improve and adopt point efficiency, and be convenient to dismounting and carry, also can its fluctuating discrepancy in elevation of vertical survey to structural plane that low inclination angle is arranged, be suitable for open-air the utilization and also be suitable for indoor measurement research.The also cooperating but rheostat measuring probe of the present invention, these two parts of adjustable base seat support can work alone; Use existing data collector to become figure software (MATLAB/SURFER) cooperating simultaneously, parameter acquiring and the three-dimensional visualization on implementation structure face surface with digital three-dimensional in addition.
Description of drawings:
Fig. 1 is structural representation of the present invention.
Fig. 2 is for can regulate the base seat support structural representation.
Fig. 3 is rheostat measuring probe structural representation.
Fig. 4 is conduction steel ball ring and the resistance coil location drawing.
Fig. 5 is conduction steel ball ring structure synoptic diagram.
Fig. 6 is the probe base structural representation.
Fig. 7 is rheostat measuring probe fundamental diagram.
Fig. 8 is apparatus of the present invention work synoptic diagram.
Embodiment:
Referring to Fig. 1～Fig. 7, present embodiment can be regulated rheostat structural plane apparatus for measuring three-dimensional profile, and adjustable base seat support 1, rheostat measuring probe 2, control box 3 are arranged in this device.Can regulate has outer hold-down support 4 in the base seat support, middle rotation rod support 5, interior mobile rod support 6, probe base 7.The level that is equipped with respectively around the outer hold-down support is regulated studdle 8, regulates the adjusting hold-down nut 9 that studdle cooperates with level.On the outer hold-down support spirit-leveling instrument is housed.In rotate rod support and be arranged in outer hold-down support, two horizontal rotating shafts 10 be contained on outer fixedly rod support two corresponding sides respectively and rotate in passing respectively the rod support corresponding edge make in the rotation rod support fix with the rotation of two horizontal rotating shafts and by nut.With horizontal rotating shaft be the both sides of axis of symmetry have respectively can be inserted in outside horizontal fixed latch 11 in the hole on hold-down support and the middle rotation rod support relevant position.The middle rotation on the relative two sides of rod support has the horizontal concrete chute 12 that is parallel to two horizontal rotating shaft axis respectively.Mobile rod support slided along horizontal concrete chute and also can fix by nut in mobile rod support corresponding end drove in two upper ends that are contained in the transverse slider 13 in two horizontal concrete chutes were respectively passed respectively.On the interior mobile rod support the vertical chute 14 vertical with two horizontal concrete chutes arranged.Probe base 7 be contained on vertical chute and longitudinally chute slide and can fix.Three probe decks 15 are arranged on the probe base.In the rheostat measuring probe by by the insulation shell 20 that built-in insulation sleeve pipe 19 that conduction steel ball ring 16 and lower end insulating sleeve 18 and the upper end by dividing plate 17 snap in the insulating sleeve lower end is formed laterally is housed.Insulation shell has probe shaft slideway 21 vertically.Probe shaft 22 is arranged in the probe shaft slideway and needle point stretches out outside the built-in insulation sleeve pipe.Spring cavity 23 is arranged in the built-in insulation sleeve pipe.First spring 24 that is positioned at spring cavity is enclosed within on the probe shaft.Have in the insulating sleeve be contained in probe shaft top and with the insulation rod 25 of probe shaft coaxial cable.Be wound with resistance wire coil 26 on the insulation rod and be through on the conduction steel ball ring endoporus and contact with conduction steel ball 27.On conduction steel ball ring top output lead 28 is arranged, input lead 29 is arranged at the resistance wire coil top, thereby electric current forms the closed-loop path from the input of resistance wire coil top from the output of conduction steel ball ring.The latch 30 that cooperates with probe deck on the probe base is arranged at built-in insulation sleeve pipe bottom.Between insulation rod upper end and insulating sleeve top second spring 31 is housed.Sequence number 43 is conductive metal sheet among Fig. 4, Fig. 5.
Referring to Fig. 1, be positioned at the position equipped amount hornwork 32 of horizontal rotating shaft on the outer hold-down support, there is horizontal rule 33 position of relative horizontal concrete chute on the middle rotating stand.There is vertical rule 34 position of vertical relatively chute on the interior mobile rod support.
Referring to Fig. 1, Fig. 6, base 35 is arranged in the probe base, be arranged in the longitudinal sliding block that stretches into vertical chute 36 of base bottom, base-mounted two slide bars 37.Compression spring 38 is housed respectively on two slide bars.The seat of honour 39 is contained on two slide bars by the slide opening that cooperates with two slide bars respectively.Deck 15 is positioned on the seat of honour.On slide bar is positioned at upper and lower position between base and the seat of honour, be equipped with respectively and inhale sheet 40, electromagnet 41.It is HZ10-10P/3) control that electromagnet is subjected to electro-magnet control switch 44(model by lead.Thereby electromagnet energising back contact compression spring on the compression slide bar and drives probe and move downward with inhaling sheet, and behind the turn-off current, electromagnet and the disengaging of suction sheet, the rheostat probe returns original height by compressing springback.
The probe base effect is that the rheostat measuring probe is fixed on the support, probe base can slidably reciprocate in vertical chute of interior mobile rod support, simultaneously, in mobile rod support can do horizontal slippage perpendicular to probe base direction of motion at middle rotation rod support, and middle rotation rod support can drive probe base and interior mobile rod support rotates around horizontal rotating shaft, as Fig. 1.
Interior mobile rod support is mainly used in the X-direction coordinate of supporting probe pedestal and definite tested point, and it is marked with millimeter rule range and also is 300mm, is 300mm * 300mm thereby the measurement range of whole surveying instrument is arranged.
The middle rod support that rotates is the framework that a rigidity is welded, and it is the millimeter rule of 300mm that range is installed.In mobile rod support slide in can horizontal concrete chute thereon and the scale that coincide by ruling is fixed on the optional position; On outer hold-down support, the middle rotation rod support horizontal rotating shaft is installed in addition, the rod support center is rotated in the hold-down support outside in the horizontal rotating shaft position, the rod support horizontal rotating shaft of can having mercy on rotates, when measurement one has inclination angle rock mass discontinuity 45 wavinesses, can make on it probe perpendicular to the structural plane surface, thereby reach accurate more measurement result (as Fig. 1, Fig. 7, Fig. 8).
Referring to Fig. 3～Fig. 7, the rheostat measuring probe is that the main composition of this device has one of original paper, main principle of work is to contact with the structural plane surface by probe, the structural plane fluctuating drives probe shaft and moves up and down, make the length generation conversion of twining resistance wire on the insulated conduit of the axle outside, thereby resistance value is changed, and resistance value R changes according to formula under rated voltage: I=U/R drives current value I thereupon and changes, and the variation of electric current is exported by screen.
As shown in Figure 7, in measurement, the rheostat probe produces the difference Δ H that rises and falls with the structure millet cake contact of different wavinesses, the Δ L thereby the length of drive resistance wire changes, thus obtain corresponding electric current changing value Δ Ι by sensitive galvanometer.Sequence number 26-1,26-2,46 is respectively not conducting parts sub-resistance silk, conducting parts sub-resistance silk, reference field among Fig. 7.
Referring to Fig. 3～Fig. 5, steel ball is embedded in the conducting ring and contacts with the conductive resistance silk is accurate in the conduction steel ball ring, electrical current is through forming the closed-loop path with the conduction steel ball behind the resistance wire, the steel ball that conducts electricity this moment is similar to electrified wire, therefore it is isolated that the steel ball ring of conducting electricity is conducted electricity resistance wire and the bottom resistance wire of not switching on top, and electric current is by conduction steel ball and external wire outflow.The conduction steel ball ring is whole by card 42 in the ring-type, is fixed in the inboard of probe case.Thereby whole the rolling with the resistance wire generation of conduction steel ball ring and probe case contacted.
It is 50mm that this rheostat measuring probe designs effective operating resistance wire coil length, and operating voltage can be regulated by voltage regulator.The maximum effective resistance value 214.798 of probe; Minimum effective resistance 75.319 Ω; Measure structure structure face waviness scope (0-50mm), device adopts DC current, by existing friendship the direct current changeover plug carry out current conversion; Operating voltage range (precision of instrument is for 1.5V-30v), electric current maximum changing value (55.864-159.324) ± (1%+2), the traverse measurement of horizontal unit is 1mm at interval.
[displacement Hi computation process is reference point for selecting initial point, if the surveying instrument initial reading is I1, Moving Unit distance (Io=1mm) back instrument readings is I2, and then the electric current difference of twice reading is Δ I=I2-I1, and then displacement becomes Δ Hi=Δ I*K (K is design factor) .]
The following advantage of steel ball ring tool is conducted electricity in the present invention:
(1) can contact comparatively closely with resistor, plastic yield and excessive fatigue deformation can not take place.
Steel ball can rotate with the motion of axle when (2) the electronic resistance wire rod of probe shaft moved up and down, can farthest reduce the friction of itself and resistance wire like this, thereby the consumption that reduces resistance wire prolongs its serviceable life, can also reduce the systematic error that causes because of the resistance wire loss simultaneously.
(3) simple in structure, material is easy to get, and has reduced difficulty of processing.
As shown in Figure 1, by lead probe and data collector CPD/94 type digital display current instruments 3 are become figure software (MATLAB/SURFER) and computing machine cooperating simultaneously with digital three-dimensional, implementation structure and parameter acquiring and the three-dimensional visualization on surface.
Above-described embodiment is that foregoing of the present invention is further described, but this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to above-described embodiment.All technology that realizes based on foregoing all belong to scope of the present invention.
Claims (6)
1. can regulate rheostat structural plane apparatus for measuring three-dimensional profile, adjustable base seat support is arranged, the rheostat measuring probe, control box, can regulate outer hold-down support is arranged in the base seat support, the middle rod support that rotates, interior mobile rod support, probe base, the middle rod support that rotates is arranged in outer hold-down support, two horizontal rotating shafts are contained on outer fixedly rod support two corresponding sides respectively and rotate the rod support corresponding edge in passing respectively and rotate rod support in making and fix with the rotation of two horizontal rotating shafts and by fixture, the middle rotation on the relative two sides of rod support has the horizontal concrete chute that is parallel to two horizontal rotating shaft axis respectively, mobile rod support slided along horizontal concrete chute and also can fix by fixture in mobile rod support corresponding end drove in two upper ends that are contained in the transverse slider in two horizontal concrete chutes were respectively passed respectively, on the interior mobile rod support the vertical chute vertical with two horizontal concrete chutes arranged, probe base be contained on vertical chute and longitudinally chute slide and can fix, at least one probe deck is arranged on the probe base, in the rheostat measuring probe by by the insulation shell that built-in insulation sleeve pipe that conduction steel ball ring and lower end insulating sleeve and the upper end by dividing plate snap in the insulating sleeve lower end is formed laterally is housed, insulation shell has the probe shaft slideway vertically, probe shaft is arranged in the probe shaft slideway and needle point stretches out outside the built-in insulation sleeve pipe, in the built-in insulation sleeve pipe spring cavity is arranged, be positioned at first spring housing of spring cavity on probe shaft, have in the insulating sleeve be contained in probe shaft top and with the insulation rod of probe shaft coaxial cable, be wound with resistance wire coil on the insulation rod and be through on the conduction steel ball ring endoporus and contact with the conduction steel ball, on conduction steel ball ring top output lead is arranged, input lead is arranged at the resistance wire coil top, thereby electric current forms the closed-loop path from resistance wire coil top input from the output of conduction steel ball ring, and the latch that cooperates with probe deck on the probe base is arranged at the insulating sleeve bottom.
2. the rheostat structural plane three-dimensional appearance determinator of regulating as claimed in claim 1, it is characterized in that being positioned on the outer hold-down support position equipped amount hornwork of horizontal rotating shaft, there is horizontal rule the position of relative horizontal concrete chute on the middle rotating stand, and there is vertical rule the position of vertical relatively chute on the interior mobile rod support.
3. the rheostat structural plane three-dimensional appearance determinator of regulating as claimed in claim 1 or 2 is characterized in that between insulation rod upper end and insulating sleeve top second spring being housed.
4. the rheostat structural plane three-dimensional appearance determinator of regulating as claimed in claim 1 or 2 is characterized in that the probe deck on the probe base is three, and the rheostat measuring probe is three, is contained on three probe decks respectively.
5. the rheostat structural plane three-dimensional appearance determinator of regulating as claimed in claim 1 or 2, it is characterized in that base is arranged in the probe base, be arranged in the longitudinal sliding block that stretches into vertical chute of base bottom, base-mounted two slide bars, the compression spring is housed respectively on two slide bars, the seat of honour is contained on two slide bars by the slide opening that cooperates with two slide bars respectively, deck is positioned on the seat of honour, slide bar be positioned between base and the seat of honour on, the suction sheet is housed respectively on the upper/lower positions, electromagnet, electromagnet is controlled by electro-magnet control switch by lead, electromagnet energising back contacts with the suction sheet, thereby the compression spring on the compression slide bar drives probe and moves downward, behind the turn-off current, electromagnet breaks away from the suction sheet, and the rheostat probe returns original height by the compression springback.
6. the rheostat structural plane three-dimensional appearance determinator of regulating as claimed in claim 1 or 2, it is characterized in that around the outer hold-down support level adjusting studdle being housed respectively, regulating the adjusting hold-down nut that studdle cooperates with level, on the outer hold-down support spirit-leveling instrument is housed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310240415.1A CN103267477B (en) | 2013-06-18 | 2013-06-18 | Adjustable rheostat structural plane apparatus for measuring three-dimensional profile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310240415.1A CN103267477B (en) | 2013-06-18 | 2013-06-18 | Adjustable rheostat structural plane apparatus for measuring three-dimensional profile |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501762A (en) * | 2014-12-18 | 2015-04-08 | 太原理工大学 | Intelligent feature measuring instrument for structural surface of rock mass |
| 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 |
| CN104849558A (en) * | 2015-05-28 | 2015-08-19 | 东莞华贝电子科技有限公司 | Impedance measuring component, impedance measuring device and impedance measuring method |
| CN105333813A (en) * | 2015-11-09 | 2016-02-17 | 适新科技（苏州）有限公司 | Separator planar contour detection device |
| CN106767659A (en) * | 2016-12-20 | 2017-05-31 | 武汉钢铁股份有限公司 | Automatic coarseness measuring apparatus |
| CN110081801A (en) * | 2019-04-30 | 2019-08-02 | 北京师范大学 | A kind of tidal creek microrelief develops in-situ monitoring device and method |
| CN112342851A (en) * | 2020-11-09 | 2021-02-09 | 中南大学 | Roughness measuring device and roughness measuring method for spreading layer of plate-type track |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501762A (en) * | 2014-12-18 | 2015-04-08 | 太原理工大学 | Intelligent feature measuring instrument for structural surface of rock mass |
| CN104501762B (en) * | 2014-12-18 | 2016-06-29 | 太原理工大学 | A kind of intelligent rock mass discontinuity topography measurement instrument |
| 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 |
| CN104849558A (en) * | 2015-05-28 | 2015-08-19 | 东莞华贝电子科技有限公司 | Impedance measuring component, impedance measuring device and impedance measuring method |
| CN105333813A (en) * | 2015-11-09 | 2016-02-17 | 适新科技（苏州）有限公司 | Separator planar contour detection device |
| CN105333813B (en) * | 2015-11-09 | 2017-12-29 | 适新科技（苏州）有限公司 | Separate sheet face profile detection means |
| CN106767659A (en) * | 2016-12-20 | 2017-05-31 | 武汉钢铁股份有限公司 | Automatic coarseness measuring apparatus |
| CN110081801A (en) * | 2019-04-30 | 2019-08-02 | 北京师范大学 | A kind of tidal creek microrelief develops in-situ monitoring device and method |
| CN112342851A (en) * | 2020-11-09 | 2021-02-09 | 中南大学 | Roughness measuring device and roughness measuring method for spreading layer of plate-type track |
| CN112342851B (en) * | 2020-11-09 | 2021-11-02 | 中南大学 | Roughness measuring device and roughness measuring method for spreading layer of plate-type track |
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|---|---|
| CN103267477B (en) | 2015-08-05 |
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