CN109827705B - Calibration device for detecting performance of bending moment sensor - Google Patents
Calibration device for detecting performance of bending moment sensor Download PDFInfo
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- CN109827705B CN109827705B CN201910276753.8A CN201910276753A CN109827705B CN 109827705 B CN109827705 B CN 109827705B CN 201910276753 A CN201910276753 A CN 201910276753A CN 109827705 B CN109827705 B CN 109827705B
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Abstract
The invention discloses a calibration device for detecting the performance of a bending moment sensor, which is vertically installed and comprises a calibration rod vertically arranged, a dial for measuring the deformation of the bending moment sensor under different bending moment loads in the calibration process, and a force loading mechanism for applying horizontal forces with different magnitudes to the calibration rod. The upper end of the calibration rod is fixedly connected with the bending moment sensor; the lower end of the calibration rod is used for indicating on the dial, and measuring the deformation of the bending moment sensor under different bending moment loads; according to the invention, through different horizontal acting forces of the force loading mechanism on the calibration rod, then the calibration rod and the dial are matched to simulate different bending moment loads, and output values of the bending moment sensor under the different bending moment loads are obtained, so that performance calibration of the bending moment sensor is realized; the dial and the calibration rod can conveniently measure the deformation of the sensor in the loading process so as to correct the calibration coefficient of the sensor.
Description
Technical Field
The invention belongs to the technical field of sensor detection, and particularly relates to a calibration device for detecting the performance of a bending moment sensor.
Background
The bending moment sensor can be used for measuring stress load of the cantilever support structure, such as stress condition of a cutter when cutting soil body, transverse load of a certain cantilever structure in a liquid pipeline when receiving fluid, and the like. After the bending moment sensor is developed, the bending moment sensor can be put into use after performance detection and calibration. As for the bending moment sensor, the data research shows that no calibrating mechanism and no disclosed calibrating equipment for calibrating and detecting the sensor exist at home.
In order to solve the problems, a calibration device for detecting the performance of the bending moment sensor is developed.
Disclosure of Invention
The invention aims to solve the problems and provide a calibration device for detecting the performance of a bending moment sensor.
The invention realizes the above purpose through the following technical scheme:
a calibration device for bending moment sensor performance detection, bending moment sensor vertical installation, calibration device includes:
a calibration rod vertically arranged; the upper end of the calibration rod is fixedly connected with the bending moment sensor;
the dial is used for measuring the deformation of the bending moment sensor under different bending moment loads in the calibration process; the lower end of the calibration rod is used for indicating on the dial, and measuring the deformation of the bending moment sensor under different bending moment loads;
and the force loading mechanism is used for applying horizontal forces with different magnitudes to the calibration rod.
The invention has the beneficial effects that:
the invention relates to a calibration device for detecting the performance of a bending moment sensor, which comprises a calibration device, a calibration device and a calibration device, wherein the calibration device is used for detecting the performance of the bending moment sensor:
different bending moment loads can be simulated through the matching of the calibration rod and the dial plate through different horizontal acting forces of the force loading mechanism on the calibration rod, and the output value of the bending moment sensor under the different bending moment loads is obtained, so that the performance calibration of the bending moment sensor is realized; the dial and the calibration rod can conveniently measure the deformation of the sensor in the loading process so as to correct the calibration coefficient of the sensor.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a schematic structural view of a force loading mechanism in the present invention.
In the figure: 1. a bending moment sensor; 2. a mounting bracket; 3. calibrating a rod; 4. a force loading mechanism; 41. a pulley; 42. a bearing; 43. a shaft; 44. a pull rope; 45. a support frame; 46. a weight; 47. a screw; 5. a dial; 51. a scale pointer; 6. and (5) a base.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1, as shown in fig. 1:
a calibration device for bending moment sensor 1 performance detection, bending moment sensor 1 vertical installation, calibration device includes:
a calibration rod 3 arranged vertically; the upper end of the calibration rod 3 is fixedly connected with the bending moment sensor 1;
a dial 5 for measuring the deformation of the bending moment sensor 1 under different bending moment loads during calibration; the lower end of the calibration rod 3 is used for indicating on the dial 5 and measuring the deformation of the bending moment sensor 1 under different bending moment loads; the dial 5 and the calibration rod 3 can conveniently measure the deformation of the sensor in the loading process so as to correct the calibration coefficient of the sensor;
a force loading mechanism 4 for applying different levels of force to the calibration rod 3. The force loading mechanism 4 is used for generating bending moment load on the bending moment sensor 1 by matching with the calibration rod 3;
the basic principle of the calibration device is that different bending moment loads are applied to the bending moment sensor 1 so as to obtain the output values of the sensor under the different bending moment loads, and the calibration parameters of the sensor can be obtained after mathematical treatment, so that the performance detection and calibration of the bending moment sensor 1 are realized.
The calibration device can realize bending moment loading in one horizontal direction, and can also realize bending moment loading in two mutually perpendicular horizontal directions.
The upper end of the calibration rod 3 is provided with a threaded hole and is connected with a connecting plate of the bending moment sensor 1 through a screw; a horizontal force loading hole is generally arranged in the middle of the calibration rod 3 and is used for connecting the force loading mechanism 4;
example 2, as shown in fig. 1:
this embodiment differs from embodiment 1 in that: the calibration rod 3 further comprises a scale pointer 51 provided at its lower end for indication on the scale disk 5.
The lower end of the calibration rod 3 is provided with a threaded hole, so that the calibration pointer 51 is convenient to install. The scale pointer 51 is designed to more accurately measure values in conjunction with the scale 5.
Example 3, as shown in fig. 1:
this embodiment differs from embodiment 1 in that: the calibrating device comprises a mounting bracket 2, the bending moment sensor 1 is fixed on the mounting bracket 2, the upper end of the calibrating rod 3 is connected with a connecting plate at the lower end of the bending moment sensor 1, and the lower end of the calibrating rod 3 is suspended; the dial 5 is mounted at the inner bottom of the mounting bracket 2, and the force loading mechanism 4 is mounted on the mounting bracket 2.
Example 4, as shown in fig. 1:
this embodiment differs from embodiment 3 in that: a base 6 for lifting the height of the mounting bracket 2 is arranged at the bottom of the mounting bracket 2, and the upper end of the base 6 is connected with the lower end of the mounting bracket 2. The base 6 and the mounting bracket 2 are designed in a separated mode, the base 6 and the mounting bracket 2 are formed by adopting four supporting legs to support the upper flange plate and the lower flange plate, and the structure is simple.
Example 5, as shown in fig. 2:
this example differs from any of examples 1-4 in that: the force loading mechanism 4 includes:
a force steering mechanism for converting a vertical direction force into a horizontal direction force to the calibration lever 3;
weights 46 of different weights for providing different amounts of vertical force;
the weight 46 generates a horizontal force to the calibration rod 3 through a force steering mechanism. The weights 46 with different weights or the measures of reducing the superposition of the weights 46 can be selected to change the magnitude of the horizontal acting force generated on the calibration rod 3. The design of the force steering mechanism may enable the present embodiment to apply a weight 46 to create a horizontal force on the calibration rod 3.
Example 6, as shown in fig. 2:
this embodiment differs from embodiment 5 in that: the force steering mechanism includes:
a support frame 45; the support frame 45 is of a U-shaped structure, the bottom of the support frame 45 is arranged on the mounting bracket 2, and U-shaped grooves are formed in the two protruding tops of the support frame 45;
a shaft 43; two ends of the shaft 43 are respectively placed in the U-shaped grooves, and a bearing 42 is sleeved on the shaft 43; the bearing 42 rotates about the shaft 43;
a pulley 41; pulley 41 is sleeved on bearing 42; the inner ring of the pulley 41 is fixed on the outer ring of the bearing 42;
a pull cord 44; one end of the pull rope 44 is connected with the calibration rod, the pull rope 44 extends downwards after being contacted and wound around the pulley 41, and the other end of the pull rope 44 is connected with the weight 46.
In this embodiment, the two protruding tops of the support frame 45 may be two laterally disposed holes into which the shaft 43 can be placed;
example 7, as shown in fig. 2:
this embodiment differs from embodiment 6 in that: the pull cord 44 extends downwardly through the bottom of the support bracket 45.
The structure of the supporting frame 45 does not affect the installation and operation of the pull rope 44 and the weight 46.
Example 8, as shown in fig. 2:
this embodiment differs from embodiment 6 in that: the contact department of installing support 2 and support frame 45 is provided with a plurality of screw thread through-holes, and a plurality of adjusting screw upwards screw in respectively from the bottom of a plurality of screw thread through-holes is used for the ejector support frame, and the installation gesture of ejector support frame adjustable support frame on the installing support.
During specific adjustment, the screw 47 can be rotated to adjust the height of the contact position between the support frame 45 and the head of the screw 47, and the support frame 45 can be obliquely mounted to a certain side by adjusting the heights of different position points of the support frame 45, so that the contact height between the pull rope 44 and the pulley 41 can be adjusted, and further the levelness and the height of the pull rope 44 are adjusted.
In example 9 the process was carried out,
the force loading mechanism 4 may be a hydraulic system, a motor system, or the like capable of controlling the output of the force.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and their equivalents.
Claims (5)
1. A calibration device for bending moment sensor performance detection, bending moment sensor vertical installation, its characterized in that, calibration device includes:
a calibration rod vertically arranged; the upper end of the calibration rod is fixedly connected with the bending moment sensor;
the dial is used for measuring the deformation of the bending moment sensor under different bending moment loads in the calibration process; the lower end of the calibration rod is used for indicating on the dial, and measuring the deformation of the bending moment sensor under different bending moment loads;
the force loading mechanism is used for applying horizontal forces with different magnitudes to the calibration rod;
the calibration rod also comprises a scale pointer arranged at the lower end of the calibration rod and used for indicating on a dial;
the calibration device comprises a mounting bracket, the bending moment sensor is fixed on the mounting bracket, the upper end of the calibration rod is connected with a connecting plate at the lower end of the bending moment sensor, and the lower end of the calibration rod is suspended; the dial is arranged at the inner bottom of the mounting bracket, and the force loading mechanism is arranged on the mounting bracket;
the force loading mechanism includes:
the force steering mechanism is used for converting the acting force in the vertical direction into the acting force in the horizontal direction on the calibration rod;
weights of different weights for providing forces of different magnitudes in the vertical direction; the weight generates horizontal acting force to the calibration rod through the force steering mechanism.
2. A calibration device for bending moment sensor performance detection according to claim 1, wherein: the bottom of the mounting bracket is provided with a base for lifting the height of the mounting bracket, and the upper end of the base is connected with the lower end of the mounting bracket.
3. A calibration device for bending moment sensor performance detection as recited in claim 1, wherein the force steering mechanism comprises:
a support frame; the support frame is of a U-shaped structure, the bottom of the support frame is arranged on the mounting bracket, and U-shaped grooves are formed in the two protruding tops of the support frame;
a shaft; two ends of the shaft are respectively placed in the U-shaped grooves, and a bearing is sleeved on the shaft;
a pulley; the pulley is sleeved on the bearing;
a pull rope; one end of the pull rope is connected with the calibration rod, the pull rope extends downwards after contacting around the pulley, and the other end of the pull rope is connected with the weight.
4. A calibration device for bending moment sensor performance detection according to claim 3, wherein: the pull cord extends downward through the bottom of the support frame.
5. A calibration device for bending moment sensor performance detection according to claim 3, wherein: the contact department of installing support and support frame is provided with a plurality of screw thread through-holes, and a plurality of adjusting screw upwards screw in and be used for the ejector support frame from the bottom of a plurality of screw thread through-holes respectively, and the installation gesture of ejector support frame on the installing support is adjustable to the support frame.
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| CN201910276753.8A CN109827705B (en) | 2019-04-08 | 2019-04-08 | Calibration device for detecting performance of bending moment sensor |
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| CN201910276753.8A CN109827705B (en) | 2019-04-08 | 2019-04-08 | Calibration device for detecting performance of bending moment sensor |
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| CN109827705B true CN109827705B (en) | 2023-10-03 |
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Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664551A (en) * | 2005-03-26 | 2005-09-07 | 东风汽车有限公司 | Method for measuring dynamic bending moment |
| CN101464201A (en) * | 2009-01-05 | 2009-06-24 | 大连理工大学 | Calibration apparatus for six-dimension heavy force sensor |
| CN101470041A (en) * | 2007-12-25 | 2009-07-01 | 中国北方车辆研究所 | Pure torque loading apparatus for single-point force exertion |
| CN101571442A (en) * | 2008-05-01 | 2009-11-04 | 中国科学院合肥物质科学研究院 | Calibration method for six-dimension force sensor calibration device with medium measurement range |
| CN102749168A (en) * | 2012-07-26 | 2012-10-24 | 哈尔滨工业大学 | Combined calibration device of no-coupling six-dimensional force sensor |
| CN103018006A (en) * | 2012-12-24 | 2013-04-03 | 中国船舶重工集团公司第七○二研究所 | Device and method for bending moment calibration of measurement beam for ship model wave load test |
| CN103528755A (en) * | 2013-10-31 | 2014-01-22 | 哈尔滨工业大学 | Calibration device for six-dimensional force sensor |
| CN103852211A (en) * | 2012-11-28 | 2014-06-11 | 江苏金风科技有限公司 | Bending moment sensor calibration device and calibration method |
| CN104165723A (en) * | 2013-05-16 | 2014-11-26 | 中国计量科学研究院 | Full-automatic micro torque standard device |
| JP2015001149A (en) * | 2013-06-18 | 2015-01-05 | ディガードエンジニアリング株式会社 | Guard fence |
| CN105043664A (en) * | 2015-08-21 | 2015-11-11 | 中国工程物理研究院总体工程研究所 | Calibration device for special high-temperature force measurement sensor |
| CN105043661A (en) * | 2015-05-20 | 2015-11-11 | 上海应用技术学院 | Net weight type torque sensor calibrating apparatus |
| JP2015200158A (en) * | 2014-04-10 | 2015-11-12 | 株式会社横河住金ブリッジ | Steel concrete composite structure of using sandwich type composite pile cap |
| JP2015222216A (en) * | 2014-05-23 | 2015-12-10 | 株式会社豊田中央研究所 | Force sensor testing device |
| CN106153248A (en) * | 2016-08-09 | 2016-11-23 | 浙江大学 | A kind of high accuracy static three-dimensional force sensor caliberating device |
| CN106353183A (en) * | 2016-11-14 | 2017-01-25 | 安徽工程大学 | Internal force measuring and calibration device and calibration method thereof |
| CN106568550A (en) * | 2016-10-13 | 2017-04-19 | 同济大学 | Six-dimension force sensor calibration device and calibration method thereof |
| CN106595950A (en) * | 2016-12-19 | 2017-04-26 | 中国科学院长春光学精密机械与物理研究所 | Force loading apparatus for calibrating force sensor |
| CN206709812U (en) * | 2017-03-14 | 2017-12-05 | 中国航发商用航空发动机有限责任公司 | A kind of device of strain gauge demarcation |
| CN109141745A (en) * | 2018-10-15 | 2019-01-04 | 山东大学 | A kind of six-dimensional force/torque sensor caliberating device and scaling method |
| CN209400135U (en) * | 2019-04-08 | 2019-09-17 | 中国工程物理研究院总体工程研究所 | A kind of caliberating device for the detection of moment of flexure sensor performance |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2498076A1 (en) * | 2011-03-11 | 2012-09-12 | Hexagon Technology Center GmbH | Wear-Monitoring of a Gearbox in a Power Station |
| EP2841898A1 (en) * | 2012-04-27 | 2015-03-04 | ETH Zurich | Force sensor device |
-
2019
- 2019-04-08 CN CN201910276753.8A patent/CN109827705B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664551A (en) * | 2005-03-26 | 2005-09-07 | 东风汽车有限公司 | Method for measuring dynamic bending moment |
| CN101470041A (en) * | 2007-12-25 | 2009-07-01 | 中国北方车辆研究所 | Pure torque loading apparatus for single-point force exertion |
| CN101571442A (en) * | 2008-05-01 | 2009-11-04 | 中国科学院合肥物质科学研究院 | Calibration method for six-dimension force sensor calibration device with medium measurement range |
| CN101464201A (en) * | 2009-01-05 | 2009-06-24 | 大连理工大学 | Calibration apparatus for six-dimension heavy force sensor |
| CN102749168A (en) * | 2012-07-26 | 2012-10-24 | 哈尔滨工业大学 | Combined calibration device of no-coupling six-dimensional force sensor |
| CN105547586A (en) * | 2012-11-28 | 2016-05-04 | 江苏金风科技有限公司 | Calibration device of bending moment sensor |
| CN103852211A (en) * | 2012-11-28 | 2014-06-11 | 江苏金风科技有限公司 | Bending moment sensor calibration device and calibration method |
| CN103018006A (en) * | 2012-12-24 | 2013-04-03 | 中国船舶重工集团公司第七○二研究所 | Device and method for bending moment calibration of measurement beam for ship model wave load test |
| CN104165723A (en) * | 2013-05-16 | 2014-11-26 | 中国计量科学研究院 | Full-automatic micro torque standard device |
| JP2015001149A (en) * | 2013-06-18 | 2015-01-05 | ディガードエンジニアリング株式会社 | Guard fence |
| CN103528755A (en) * | 2013-10-31 | 2014-01-22 | 哈尔滨工业大学 | Calibration device for six-dimensional force sensor |
| JP2015200158A (en) * | 2014-04-10 | 2015-11-12 | 株式会社横河住金ブリッジ | Steel concrete composite structure of using sandwich type composite pile cap |
| JP2015222216A (en) * | 2014-05-23 | 2015-12-10 | 株式会社豊田中央研究所 | Force sensor testing device |
| CN105043661A (en) * | 2015-05-20 | 2015-11-11 | 上海应用技术学院 | Net weight type torque sensor calibrating apparatus |
| CN105043664A (en) * | 2015-08-21 | 2015-11-11 | 中国工程物理研究院总体工程研究所 | Calibration device for special high-temperature force measurement sensor |
| CN106153248A (en) * | 2016-08-09 | 2016-11-23 | 浙江大学 | A kind of high accuracy static three-dimensional force sensor caliberating device |
| CN106568550A (en) * | 2016-10-13 | 2017-04-19 | 同济大学 | Six-dimension force sensor calibration device and calibration method thereof |
| CN106353183A (en) * | 2016-11-14 | 2017-01-25 | 安徽工程大学 | Internal force measuring and calibration device and calibration method thereof |
| CN106595950A (en) * | 2016-12-19 | 2017-04-26 | 中国科学院长春光学精密机械与物理研究所 | Force loading apparatus for calibrating force sensor |
| CN206709812U (en) * | 2017-03-14 | 2017-12-05 | 中国航发商用航空发动机有限责任公司 | A kind of device of strain gauge demarcation |
| CN109141745A (en) * | 2018-10-15 | 2019-01-04 | 山东大学 | A kind of six-dimensional force/torque sensor caliberating device and scaling method |
| CN209400135U (en) * | 2019-04-08 | 2019-09-17 | 中国工程物理研究院总体工程研究所 | A kind of caliberating device for the detection of moment of flexure sensor performance |
Non-Patent Citations (1)
| Title |
|---|
| 《固定结构下的两向力及弯矩传感器设计》;屈川;《实验力学》;全文 * |
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