CN109357607A - A fully automatic vibrating wire strain sensor calibration device - Google Patents
A fully automatic vibrating wire strain sensor calibration device Download PDFInfo
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- CN109357607A CN109357607A CN201811453146.6A CN201811453146A CN109357607A CN 109357607 A CN109357607 A CN 109357607A CN 201811453146 A CN201811453146 A CN 201811453146A CN 109357607 A CN109357607 A CN 109357607A
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- 238000009434 installation Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003068 static effect Effects 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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
本发明公开了一种全自动振弦式应变传感器校准装置，包括底座、在底座的左端固定有左固定座，在底座的右端固定有右固定座，在左固定座与右固定座之间固定有导向滑杆、转动连接有动力丝杠，在左固定座与右固定座之间设有左夹具和右夹具，所述左夹具套设在导向滑杆和动力丝杠的左半部，且左夹具与导向滑杆滑动连接、与动力丝杠螺纹传动连接，所述右夹具套设在导向滑杆和动力丝杠的右半部，且右夹具与动力丝杠滑动连接，右夹具与右固定座顶靠或者固定连接，所述左夹具和右夹具相配合以对振弦式应变传感器进行固定；从而本装置实现了对振弦式应变传感器、振弦式位移计和振弦式测缝计的全自动校准。
The invention discloses a fully automatic vibrating wire strain sensor calibration device, comprising a base, a left fixed seat fixed on the left end of the base, a right fixed seat fixed on the right end of the base, and fixed between the left fixed seat and the right fixed seat There is a guide sliding rod, a power screw is rotatably connected, a left clamp and a right clamp are arranged between the left fixing base and the right fixing base, and the left clamp is sleeved on the left half of the guide sliding rod and the power screw, and The left clamp is slidably connected with the guide slide rod and connected with the power screw thread, the right clamp is sleeved on the right half of the guide slide rod and the power screw, and the right clamp is slidably connected with the power screw, and the right clamp is connected with the right The fixed seat is against or fixedly connected, and the left clamp and the right clamp cooperate to fix the vibrating wire strain sensor; thus the device realizes the vibrating wire strain sensor, vibrating wire displacement gauge and vibrating wire seam measuring device. Fully automatic calibration of the meter.
Description
Technical field
The invention belongs to measurement and calibration equipment technical field more particularly to a kind of full-automatic vibrating string type strain transducer calibrations
Device.
Background technique
Vibrating string type strain transducer is sensor relatively advanced in current stress-strain measurement, this sensor output
Frequency rather than voltage, will not because of conductor resistance variation, temperature fluctuation and cause the obvious decaying of signal, there is structure
Simply, precision height, strong antijamming capability, long distance of signal transmission, good long term stability, can be applied to low temperature, high temperature,
In the adverse circumstances such as height radiation, it is widely used in dam, bridge, heavy construction, subway, shipbuilding, mine, coal mine, foundation pit, water conservancy
In the safe early warning and safety detection in the fields such as water power, petrochemical industry, nuclear power station.
For vibrating string type strain transducer, country has formulated " GB/T 13606-2007 earthwork test Instrument geotechnical engineering
Instrument vibrating string type sensor general technical specifications " and " JJF 1305-2011 linear movement pick-up calibrating standard " propose vibration
The elementary error of string strain transducer and the technical requirements of the linearity and calibration method, but be not specified by using which kind of standard utensil
Guarantee that magnitude is accurate and reliable, is also not specified by unified calibration method and device.Some Domestic mechanism was also according to rule in recent years
Model has devised calibrating installation, such as Chinese patent CN101738157A, discloses a kind of vibrating string type strain transducer calibration cartridge
It sets, is mainly purely mechanical structure, is measured using dial gauge, be primarily present calibration large labor intensity, calibration efficiency
It is low and be difficult obtain repeatability error the problem of.Chinese patent CN107621222A discloses a kind of vibrating string type strain meter calibrating
Device is in a calibration process to measure to tiny length variable quantity, but ask since sensor retained part has sliding
Topic influences calibration result very big；When calibrating to wide range vibrating string type sensor, device can be deformed, and device is rigid
Degree can not meet alignment requirements.
Summary of the invention
It is an object of that present invention to provide a kind of full-automatic calibrating device for vibrating string type strain transducer；In order to achieve the above objectives
It is adopted the technical scheme that:
A kind of full-automatic calibrating device for vibrating string type strain transducer is fixed with left fixing seat including pedestal, in the left end of pedestal,
The right end of pedestal is fixed with right fixing seat, be fixed between left fixing seat and right fixing seat guiding slide bar, be rotatably connected to it is dynamic
Power lead screw, between left fixing seat and right fixing seat be equipped with left fixture and right fixture, the left fixture be set in guiding slide bar and
The left side of power lead screw, and left fixture connect with guiding sliding bar, is sequentially connected with power threads of lead screw, the right fixture
It is set in the right side of guiding slide bar and power lead screw, and right fixture is slidably connected with power lead screw, right fixture and right fixing seat
It abuts against or is fixedly connected, the left fixture and right fixture are matched so that vibrating string type strain transducer to be fixed；
It is fixed with the servo motor for driving power lead screw to rotate in the left end of pedestal, is fixed on pedestal for left fixture
The grating displacement sensor of displacement detection, grating displacement sensor and servo motor constitute closed-loop control.
Preferably, the right fixture is slidably connected with guiding slide bar, power lead screw, and the right fixture and right fixing seat are logical
S type pull pressure sensor is crossed to be fixedly connected.
Preferably, the left fixture includes left slider, and the left slider is set in left the half of guiding slide bar and power lead screw
Portion, and left slider connect with guiding sliding bar, is sequentially connected with power threads of lead screw, and left clamping is fixed on left slider
Head；The right fixture includes right sliding block, the right sliding block be set in guiding slide bar and power lead screw right side, and right sliding block with
Guiding slide bar, power lead screw are slidably connected, and the both ends of S type pull pressure sensor are separately fixed at right sliding block and right fixing seat
On, right clamping head is fixed on right sliding block, the left clamping head and right clamping head are matched to vibrating string type strain transducer
It is fixed.
Preferably, it is equipped with left positioning groove in left clamping head bottom, left installation is equipped with by left positioning groove and is perforated, on a left side
Sliding block is equipped with left positioning protrusion corresponding with left positioning groove, is equipped with by left positioning protrusion corresponding with left installation perforation
Left fixing screwed hole；It is equipped with right positioning groove in right clamping head bottom, right installation is equipped with by right positioning groove and is perforated, on the right side
Sliding block is equipped with right positioning protrusion corresponding with right positioning groove, is equipped with by right positioning protrusion corresponding with right installation perforation
Right fixing screwed hole.
Preferably, left position displacement sensor is fixed on left slider, the left position displacement sensor is located at a left side for left clamping head
Side；Right displacement sensor is fixed on right sliding block, the right displacement sensor is located at the right side of right clamping head；The left dislocation
Sensor and right displacement sensor are matched and are detected with the amount of horizontally slipping to vibrating string type strain transducer.
Preferably, it is fixed with fixed station on left slider, slidably connects slide unit in left-right direction on fixed station, in cunning
Platform is equipped with the fastening bolt for fixing slide unit, and the left clamping for fixing left position displacement sensor is fixed at the top of slide unit
Seat；The right grip slipper for fixing right displacement sensor is fixed on right sliding block.
Preferably, on fixed station be equipped with main scale graduation mark, on slide unit be equipped with vernier scale graduation mark, the fixed station with
Slide unit constitutes vernier caliper structure.
Preferably, the mounting hole in matrix distribution is equipped at the top of slide unit, left grip slipper is fixed by different mounting holes
At the top of the slide unit at different positions.
Preferably, the left grip slipper is equipped with multiple for fixing the left holding holes of left position displacement sensor, the right folder
It holds seat and is equipped with multiple right holding holes for being used to fix right displacement sensor.
Preferably, the left slider and right left slider are vacantly arranged on guiding slide bar and power lead screw, and the guiding is slided
Bar is three, and two of them guiding slide bar is located at the two sides of power lead screw, and third guiding slide bar is located at power lead screw
Lower section.
The advantageous effect of present invention is that: (1) grating displacement sensor and servo motor constitute closed-loop control, it is ensured that
The precision of displacement variable, improves calibration parameter magnitude；(2) right simultaneously by left position displacement sensor and right displacement sensor
Vibrating string type strain transducer left and right ends slippage is detected, and accuracy of measurement is improved, while also can be suffered by real-time detection
Stress variation situation；(3) left position displacement sensor realizes the function of coarse regulation and micro-adjustment by the mating reaction of fixed station, slide unit
Energy；(4) the measurement displacement of left position displacement sensor, right displacement sensor, grating displacement sensor is in the same direction to subtract
Abbe error caused by having lacked because of deformation；(5) present invention realize to vibrating string type strain transducer, type vibration wire displacement meter and
The Full-automatic calibration of vibrating string joint meter, meet national standard " GB/T 18459-2001 sensor dominant static performance indicator
Calculation method ", " GB/T 13606-2007 earthwork test Instrument geotechnical engineering instruments vibrating string type sensor general technical specifications "
" JJF 1305-2011 linear movement pick-up calibrating standard "；(6) three are set by guiding slide bar, two of them guiding
Slide bar is located at the two sides of power lead screw, and third guiding slide bar is located at the lower section of power lead screw, and this reduces the bottom of to
The intensity requirement of seat reduces manufacturing cost using plain cast iron；It ensure that the flat of left slider and right slide block movement simultaneously
Stability improves the accuracy of measurement.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is the schematic enlarged-scale view of left fixture；
Fig. 3 is the schematic enlarged-scale view of right fixture；
Fig. 4 is package structure diagram of the invention.
Specific embodiment
The present invention is further described with reference to the accompanying drawing.
As shown in Figure 1 to Figure 3, a kind of full-automatic calibrating device for vibrating string type strain transducer, including pedestal 8, in pedestal 8
Left end is fixed with left fixing seat 9, is fixed with right fixing seat 6 in the right end of pedestal 8, solid between left fixing seat 9 and right fixing seat 6
Surely there are guiding slide bar 4, the dynamic lead screw 3 of rotation connection, left fixture 1 and right folder are equipped between left fixing seat 9 and right fixing seat 6
Tool 5, the left fixture 1 is set in the left side of guiding slide bar 4 and power lead screw 3, and left fixture 1 and the guiding sliding of slide bar 4 connect
It connects, connect with 3 screw-driven of power lead screw, the right fixture 5 is set in the right side of guiding slide bar 4 and power lead screw 3, and right
Fixture 5 is slidably connected with power lead screw 3, and right fixture 5 is abutted against or is fixedly connected with right fixing seat 6, the left fixture 1 and right folder
Tool 5 is matched so that vibrating string type strain transducer to be fixed；
It is fixed with the servo motor 12 for driving power lead screw 3 to rotate in the left end of pedestal 8, servo motor 12 passes through speed reducer
11 are sequentially connected with power lead screw 3, and the grating displacement sensor 15 for the detection of left 1 displacement of fixture is fixed on pedestal 8,
Grating displacement sensor 15 and servo motor 12 constitute closed-loop control.Common grating displacement sensor 15 mainly include light source,
Reading head can be fixed on left fixture 1 by photocell, grating scale, reading head and sealing strip etc., when use, and grating scale is consolidated
It is scheduled on pedestal 8, grating scale is located at the underface of reading head and is arranged along the motion profile of reading head.
In order to be detected while measuring vibrating string type strain transducer displacement to stress suffered by it, the right fixture
5 are slidably connected with guiding slide bar 4, power lead screw 3, and the right fixture 5 passes through S type pull pressure sensor 504 with right fixing seat 6
It is fixedly connected.
Specifically, the left fixture 1 includes left slider 104, and the left slider 104 is set in guiding slide bar 4 and power silk
The left side of thick stick 3, and left slider 104 is slidably connected with guiding slide bar 4, connect with 3 screw-driven of power lead screw, in left slider
Left clamping head 103 is fixed on 104；The right fixture 5 includes right sliding block 505, and the right sliding block 505 is set in guiding slide bar 4
With the right side of power lead screw 3, and right sliding block 505 is slidably connected with guiding slide bar 4, power lead screw 3, S type pressure sensing
The both ends of device 504 are separately fixed in right sliding block 505 and right fixing seat 6, and right clamping head 501, institute are fixed on right sliding block 502
It states left clamping head 103 and right clamping head 501 is matched so that vibrating string type strain transducer to be fixed.
According to the vibrating string type strain transducer of different size model, clamping head, every set clamping head can be covered with respective production more
Include left clamping head 103 and right clamping head 501, is equipped in the holding holes of left clamping head 103 and right clamping head 501 anti-skidding
Line for the ease of quick-replaceable, is accurately positioned, and is equipped with left positioning groove in left 103 bottom of clamping head, sets by left positioning groove
There is left installation to perforate, left positioning protrusion corresponding with left positioning groove is equipped on left slider 104, is set by left positioning protrusion
There is left fixing screwed hole corresponding with left installation perforation；It is equipped with right positioning groove in right 501 bottom of clamping head, it is recessed in right positioning
It is equipped with right installation by slot to perforate, right positioning protrusion corresponding with right positioning groove is equipped on right sliding block 505, in right convex
It rises other equipped with right fixing screwed hole corresponding with right installation perforation.
As shown in Figures 2 and 3, it is fixed with fixed station 108 on left slider 104, is slided in left-right direction on fixed station 108
It is dynamic to be connected with slide unit 109, the fastening bolt (being overleaf not shown in the figure) for fixing slide unit 109 is equipped on slide unit 109,
The left grip slipper 102 for fixing left position displacement sensor 101 is fixed at the top of slide unit 109, left position displacement sensor 101 is located at left folder
Hold first 103 left side；The right grip slipper 502 for fixing right displacement sensor 503, right displacement are fixed on right sliding block 505
Sensor 503 is located at the right side of right clamping head 501, and the left position displacement sensor 101 and right displacement sensor 503 are matched with right
The amount of horizontally slipping of vibrating string type strain transducer is detected.
Meanwhile main scale graduation mark 106 is equipped on fixed station 108, vernier scale graduation mark 105, institute are equipped on slide unit 109
It states fixed station 108 and slide unit 109 constitutes vernier caliper structure.The mounting hole 1010 in matrix distribution is equipped at the top of slide unit 109,
Left grip slipper 102 is fixed at the different position in 109 top of slide unit by different mounting holes 1010, to be directed to different size
The vibrating string type strain transducer of model, left position displacement sensor 101 can carry out the coarse regulation and high-precision micro-adjustment of big distance.
On the other hand, the left grip slipper 102 is equipped with multiple for fixing the left holding holes of left position displacement sensor 101,
The right grip slipper 502 is equipped with multiple for fixing the right holding holes of right displacement sensor 503.
In order to guarantee the stationarity in motion process, vacantly setting is slided in guiding for the left slider 104 and right left slider 505
On bar 4 and power lead screw 3, the guiding slide bar 4 is three, and two of them are located at the two sides of power lead screw 3, and third is led
It is located at the lower section of power lead screw 3 to slide bar 4.
As shown in figure 4, being equipped with jacket 14 on bottom plate 8, it is equipped on jacket 14 for exposing vibrating string type strain
The opening in pick up calibration region is equipped with levelling shoe 10 at 8 bottom four corners of bottom plate, and is equipped in 8 two sides of bottom plate
Handle 7 is additionally provided with the fast slow-motion switch 13 for controlling 12 movement velocity of servo motor.
In the use of the present invention, being selected suitable left according to the specifications and models of vibrating string type strain transducer to be calibrated first
Clamping head 103 and right clamping head 501, and be separately fixed on left slider 104 and right sliding block 505, then type vibration wire is answered
The both ends for becoming sensor are separately fixed on left clamping head 103 and right clamping head 501；Right displacement sensor 503 is adjusted to vibration
The right side displacement of string formula strain transducer is detected, and reading is zeroed；By adjusting left grip slipper 102 in slide unit 109
On installation site and the micro-shifting of slide unit 109 move to adjust left position displacement sensor 101 with the left end to vibrating string type strain transducer
Face displacement is detected, and reading is zeroed；Then starting servo motor 12 is dynamic with 3 slow-speed of power lead screw, to drive a left side
Sliding block 104 moves right, and in the process of moving, grating displacement sensor detects displacement, S type pull pressure sensor
504 pairs of stress values detect, according to above-mentioned displacement data, in conjunction with the measurement of correlation number of vibrating string type strain transducer itself
According to can evaluate required calibration parameter.
Outrange in order to avoid left slider 104 moves right in measurement process and instrument is caused to damage, on pedestal 8
Equipped with limit switch 2, the limit switch 2 in one of limit switch 2 such as left side can also be fixed on pedestal 8, it will be another
One limit switch 2 is detachable to be fixed on pedestal 8, thus can be according to the range of vibrating string type strain transducer to be calibrated
Adaptively adjust the position of another limit switch 2.Further, another limit switch 2 can be by way of magnet base
It is fixed on pedestal 8 by magnetic attracting force.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
But these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of full-automatic calibrating device for vibrating string type strain transducer, which is characterized in that fixed including pedestal, in the left end of pedestal
Have left fixing seat, be fixed with right fixing seat in the right end of pedestal, be fixed between left fixing seat and right fixing seat guiding slide bar,
It is rotatablely connected dynamic lead screw, left fixture and right fixture are equipped between left fixing seat and right fixing seat, the left fixture is arranged
In the left side of guiding slide bar and power lead screw, and left fixture connect with guiding sliding bar, connects with the transmission of power threads of lead screw
It connects, the right fixture is set in the right side of guiding slide bar and power lead screw, and right fixture is slidably connected with power lead screw, right folder
Tool is abutted against or is fixedly connected with right fixing seat, and the left fixture and right fixture are matched to carry out to vibrating string type strain transducer
It is fixed；
It is fixed with the servo motor for driving power lead screw to rotate in the left end of pedestal, is fixed on pedestal for left fixture
The grating displacement sensor of displacement detection, grating displacement sensor and servo motor constitute closed-loop control.
2. full-automatic calibrating device for vibrating string type strain transducer according to claim 1, which is characterized in that the right fixture
It is slidably connected with guiding slide bar, power lead screw, the right fixture and right fixing seat connect by the way that S type pull pressure sensor is fixed
It connects.
3. full-automatic calibrating device for vibrating string type strain transducer according to claim 1 or 2, which is characterized in that the left side
Fixture includes left slider, and the left slider is set in the left side of guiding slide bar and power lead screw, and left slider and guiding slide bar
It is slidably connected, is sequentially connected with power threads of lead screw, left clamping head is fixed on left slider；The right fixture includes right cunning
Block, the right sliding block is set in the right side of guiding slide bar and power lead screw, and right sliding block and guiding slide bar, power lead screw are sliding
Dynamic connection, the both ends of S type pull pressure sensor are separately fixed on right sliding block and right fixing seat, and right folder is fixed on right sliding block
Head is held, the left clamping head and right clamping head are matched so that vibrating string type strain transducer to be fixed.
4. full-automatic calibrating device for vibrating string type strain transducer according to claim 3, which is characterized in that in left clamping head
Bottom is equipped with left positioning groove, and left installation is equipped with by left positioning groove and is perforated, is equipped with and left positioning groove phase on left slider
Corresponding left positioning protrusion is equipped with left fixing screwed hole corresponding with left installation perforation by left positioning protrusion；In right clamping
Head bottom is equipped with right positioning groove, and right installation is equipped with by right positioning groove and is perforated, is equipped with and right positioning groove on right sliding block
Corresponding right positioning protrusion is equipped with right fixing screwed hole corresponding with right installation perforation by right positioning protrusion.
5. full-automatic calibrating device for vibrating string type strain transducer according to claim 3, which is characterized in that on left slider
It is fixed with left position displacement sensor, the left position displacement sensor is located at the left side of left clamping head；Right displacement is fixed on right sliding block
Sensor, the right displacement sensor are located at the right side of right clamping head；The left position displacement sensor and right displacement sensor match
Conjunction is detected with the amount of horizontally slipping to vibrating string type strain transducer.
6. full-automatic calibrating device for vibrating string type strain transducer according to claim 5, which is characterized in that on left slider
It is fixed with fixed station, slidably connects slide unit in left-right direction on fixed station, is equipped on slide unit for fixing the tight of slide unit
Fixing bolt is fixed with the left grip slipper for fixing left position displacement sensor at the top of slide unit；It is fixed on right sliding block for solid
The right grip slipper of fixed right displacement sensor.
7. full-automatic calibrating device for vibrating string type strain transducer according to claim 6, which is characterized in that on fixed station
Equipped with main scale graduation mark, vernier scale graduation mark is equipped on slide unit, the fixed station and slide unit constitute vernier caliper structure.
8. full-automatic calibrating device for vibrating string type strain transducer according to claim 6 or 7, which is characterized in that in slide unit
Top is equipped with the mounting hole in matrix distribution, and left grip slipper is fixed on position different at the top of slide unit by different mounting holes
Place.
9. full-automatic calibrating device for vibrating string type strain transducer according to claim 6 or 7, which is characterized in that the left side
Grip slipper is equipped with multiple left holding holes for being used to fix left position displacement sensor, and the right grip slipper is equipped with multiple for fixing
The right holding holes of right displacement sensor.
10. full-automatic calibrating device for vibrating string type strain transducer according to claim 3, which is characterized in that the left cunning
Block and right left slider are vacantly arranged on guiding slide bar and power lead screw, and the guiding slide bar is three, and two of them guiding is slided
Bar is located at the two sides of power lead screw, and third guiding slide bar is located at the lower section of power lead screw.
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| CN201811453146.6A CN109357607B (en) | 2018-11-30 | 2018-11-30 | Full-automatic vibrating wire type strain sensor calibration device |
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| CN201811453146.6A CN109357607B (en) | 2018-11-30 | 2018-11-30 | Full-automatic vibrating wire type strain sensor calibration device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111288940A (en) * | 2020-03-07 | 2020-06-16 | 中国计量科学研究院 | Automatic vibrating wire strain sensor calibration device |
| CN111288939A (en) * | 2020-03-07 | 2020-06-16 | 中国计量科学研究院 | A fully automatic vibrating wire strain sensor calibration device |
| CN117606337A (en) * | 2024-01-24 | 2024-02-27 | 威海双丰物探设备股份有限公司 | Strain measuring device for strain ring |
| CN119642757A (en) * | 2025-02-18 | 2025-03-18 | 中国计量科学研究院 | Vibrating wire type strain gauge automatic calibration device and method with force value monitoring function |
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| 张勇;梁平;张玉珍;陈伟琪;黄敏晗;: "振弦应变传感器校准装置的设计", 工业仪表与自动化装置, no. 04 * |
| 王豪;郑德智;邢维巍;: "基于光电检测的振弦式应变传感器的设计与实现", 传感技术学报, no. 12 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288940A (en) * | 2020-03-07 | 2020-06-16 | 中国计量科学研究院 | Automatic vibrating wire strain sensor calibration device |
| CN111288939A (en) * | 2020-03-07 | 2020-06-16 | 中国计量科学研究院 | A fully automatic vibrating wire strain sensor calibration device |
| CN117606337A (en) * | 2024-01-24 | 2024-02-27 | 威海双丰物探设备股份有限公司 | Strain measuring device for strain ring |
| CN119642757A (en) * | 2025-02-18 | 2025-03-18 | 中国计量科学研究院 | Vibrating wire type strain gauge automatic calibration device and method with force value monitoring function |
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