WO2019000261A1 - Système de détection de valeur d'affaissement de type sans contact pour déflectomètre à masse tombante portable - Google Patents

Système de détection de valeur d'affaissement de type sans contact pour déflectomètre à masse tombante portable Download PDF

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Publication number
WO2019000261A1
WO2019000261A1 PCT/CN2017/090474 CN2017090474W WO2019000261A1 WO 2019000261 A1 WO2019000261 A1 WO 2019000261A1 CN 2017090474 W CN2017090474 W CN 2017090474W WO 2019000261 A1 WO2019000261 A1 WO 2019000261A1
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WO
WIPO (PCT)
Prior art keywords
hand
detecting system
value detecting
drop weight
held
Prior art date
Application number
PCT/CN2017/090474
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English (en)
Chinese (zh)
Inventor
张丛
Original Assignee
深圳市樊溪电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市樊溪电子有限公司 filed Critical 深圳市樊溪电子有限公司
Publication of WO2019000261A1 publication Critical patent/WO2019000261A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight

Definitions

  • the present invention relates to the field of metrology, and in particular to a sinking value detecting system for a non-contact hand-held drop hammer deflection device.
  • the hand-held drop hammer deflection instrument is a dynamic measuring instrument for monitoring and detecting the dynamic characteristics of the foundation - dynamic deformation modulus. It is a special foundation construction quality measuring instrument widely used in railways, highways, high-speed railways, airports. The monitoring and inspection of the quality of foundation construction of urban traffic is especially suitable for the detection of narrow sections of the site, such as the transition section of roads and bridges, and existing line foundations.
  • three impact tests will be performed, and the sinker will display the subsidence value after each impact.
  • the average subsidence value and the dynamic deformation modulus value are obtained and displayed on the LCD screen.
  • the hand-held drop hammer deflection device is composed of a loading device, a sinking tester and a carrier plate.
  • the sinking value of the sinking measuring instrument is difficult to detect, and the calibration of the dynamic measuring instrument is a difficult point of the length measuring and detecting.
  • the hammer deflection detector is provided with a ring at the front end of the guide rod holder, and a contact displacement sensor holder is arranged at the lower portion of the column to reproduce a standard subsidence value in the operation, but the operation steps are complicated.
  • the contact sensor is easily separated from the instrument to be detected, and the detection distortion is generated.
  • the post-calculation process is complicated, which greatly restricts the quality and efficiency of the test.
  • the control system, the platform electronic control system is configured to control the base and the detected hand-held drop weight deflector to perform operations in accordance with the detection condition.
  • the subsidence value detecting system further comprises an optical vibration isolation platform, the measured hand-held hammer sinker is installed at a certain flatness, surface roughness, a fixed range of horizontal and vertical natural frequencies and amplitudes. On a certain range of the optical vibration isolation platform, the detection effect is optimized.
  • the hand-held drop weight sink sinking value detecting system further comprises a pitch calibration calibration block of the triangular distributed beam, and the calibration block is subjected to a composite optical three-coordinate calibration calibration with a measurement uncertainty better than 0.05 micrometer.
  • the handheld drop weight deflection device detection system uses a dual-frequency laser interferometer with a certain precision as a length standard, and the calibration block is used as a reference with the distance of the triangular distribution beam, and the handheld drop hammer deflection instrument The effective distance of the probe beam is calibrated.
  • the photoelectric sensor probe is a laser photoelectric sensor probe.
  • the photosensor probe is linearly calibrated using a second equal amount block.
  • the hand-held drop weight sink sink value detection system further comprises a signal processing module, and the signal processing module comprises a laser, a signal processing unit and an environment compensation unit.
  • the laser is a triangular method laser.
  • the environmental compensation unit comprises a temperature compensation unit and a pressure compensation unit.
  • the hand-held drop weight sink sink value detection system further comprises a computer integrated module having a human-computer interaction interface, realizing control of the position of the photoelectric sensor probe and data acquisition, and reconstructing by using the constructed mathematical model.
  • the sinking value measurement data is stored and displayed.
  • test results are consistent, and the accuracy, efficiency, and operability are significantly superior to those of conventional contact measurement.
  • the non-contact and intelligent detection of the subsidence value makes the measurement results more accurate and the continuous recurrence rate increases.
  • FIG. 1 is a schematic view showing the structure of a sinker value detecting device of a non-contact hand-held drop weight deflector according to an embodiment of the present invention.
  • a sinking value detecting system 1 of a non-contact hand-held drop weight deflector includes a base 2, a hand-held drop weight deflector 3, a photoelectric sensor probe 4, a power supply and a control system. 5 and the platform electronic control system 6, the platform electronic control system 6 is used to control the base 2 and the detected hand-held drop weight deflector 3 to perform operations in accordance with the detection conditions.
  • the subsidence value detecting system 1 further includes an optical vibration isolation platform 9, which is mounted at a certain flatness, surface roughness, a fixed range of horizontal and vertical natural frequencies, and amplitudes in a certain range. The optical vibration isolation platform 9 is used to optimize the detection effect.
  • the hand-held drop hammer deflection sink detection system 1 further includes a pitch calibration calibration block 1-1 of the triangular distribution beam, and the calibration block 1- 1 is subjected to a composite optical coordinate calibration calibration with a measurement uncertainty of better than 0.05 micrometer.
  • the detection principle is that the handheld drop weight deflection device detection system 1 uses a 0.5ppm precision dual-frequency laser interferometer as the length standard, and the calibration of the triangular distribution beam is used to calibrate the calibration block 1-1 as a reference for the handheld drop hammer deflection meter.
  • the effective distance of the probe beam is calibrated, the calibration result is 200.0261 mm, and the photoelectric sensor probe 4 is a laser photoelectric sensor probe.
  • the subsidence value detecting system 1 further includes a signal processing module 7, which includes a laser 7-1, a signal processing unit 7-2 and an environmental compensation unit 7-3, wherein the laser 7-1 is a triangular laser, and of course Using other similar lasers, the environmental compensation unit 7-3 includes a temperature compensation unit 7-3-1 and a pressure compensation unit 7-3-2 (in the figure) Not shown).
  • the handheld drop hammer deflection sink detection system further includes a computer integrated module 8, wherein the computer integrated module 8 has a human-computer interaction interface, realizes control of the position of the photoelectric sensor probe and data acquisition, and reproduces through the constructed mathematical model.
  • the sinking value measurement data is stored and displayed in real time.
  • the software design mainly adopts the Visual C++ environment, and uses the .NET burst to control the human-machine interface to establish a hardware communication mechanism.
  • the environment construction is first required, and the dynamic deformation modulus tester is tested in a laboratory with a constant temperature constant humidity laboratory RH ( ) ⁇ 3 ⁇ 4 in the laboratory.
  • the detector is installed at a flatness of ⁇ 0.051 ⁇ 1 /1 for the installation of anti-vibration, noise-removing, dust-removing and shielding facilities. 1 2, the surface roughness ⁇ 0.8 microns, the vertical natural frequency is 1.2-2Hz, the horizontal natural frequency is the same as the vertical natural frequency and the amplitude is ⁇ 1.2 microns.
  • the experimental results are ideal.
  • the hand-held drop weight deflection device is tested and calibrated to meet the subsidence value of S ⁇ 1.0 mm.
  • the deviation is based on the JJG (railway) hand-held drop hammer deflection tester.
  • Accuracy, efficiency and operability have significantly better than traditional contact measurement instruments, using non-contact photoelectric probes instead of displacement sensor probes, intelligent detection of subsidence values, more accurate measurement results, continuous recurrence rate improve.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

L'invention concerne un système de détection de valeur d'affaissement de type sans contact (1) pour un déflectomètre à masse tombante portable, qui comprend une base (2), un déflectomètre à masse tombante portable détectée (3), une sonde (4) de capteur photoélectrique, un système (5) d'alimentation électrique et de commande et un système (6) de commande électrique de plateforme, le système (6) de commande électrique de plateforme étant utilisé pour commander la base (2) et le déflectomètre à masse tombante portable détectée (3) devant être soumis à une opération conforme aux conditions de détection; et le système de détection de valeur d'affaissement comprenant en outre une plateforme d'isolation de vibration optique (9). Le déflectomètre à masse tombante portable détectée (3) est monté sur la plateforme d'isolation de vibration optique (9) avec une certaine planéité et une certaine rugosité de surface. La plateforme d'isolation de vibration optique (9) a une plage fixe de fréquences naturelles horizontales et verticales, et l'amplitude se situe dans une certaine plage.
PCT/CN2017/090474 2017-06-26 2017-06-28 Système de détection de valeur d'affaissement de type sans contact pour déflectomètre à masse tombante portable WO2019000261A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710494408.2A CN107132135A (zh) 2017-06-26 2017-06-26 一种非接触式手持落锤弯沉仪的沉陷值检测系统
CN201710494408.2 2017-06-26

Publications (1)

Publication Number Publication Date
WO2019000261A1 true WO2019000261A1 (fr) 2019-01-03

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PCT/CN2017/090474 WO2019000261A1 (fr) 2017-06-26 2017-06-28 Système de détection de valeur d'affaissement de type sans contact pour déflectomètre à masse tombante portable

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CN (1) CN107132135A (fr)
WO (1) WO2019000261A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115217018A (zh) * 2022-07-11 2022-10-21 武汉光谷卓越科技股份有限公司 基于滚动载荷作用下变形速度的弯沉盆检测方法及装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113211390B (zh) * 2020-06-03 2022-05-27 德丰电创科技股份有限公司 一种用于控制电动设备运行的系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5753808A (en) * 1995-09-11 1998-05-19 Quest Integrated, Inc. Self-compensating rolling weight deflectometer
CN2445317Y (zh) * 2000-10-18 2001-08-29 盛安连 激光路面弯沉测定仪
CN201306998Y (zh) * 2008-11-28 2009-09-09 沈阳黎明航空发动机(集团)有限责任公司 一种二等量块接触式激光干涉仪
CN101806582A (zh) * 2010-03-29 2010-08-18 天津大学 基于步进电机的量块自动检定装置
CN202329556U (zh) * 2011-11-15 2012-07-11 贵阳新天光电科技有限公司 一种用测长机检定长度大于200mm三等量块的装置
US20130283924A1 (en) * 2012-04-26 2013-10-31 Quest Integrated, Inc. Rolling weight deflectometer
CN103954296A (zh) * 2013-09-05 2014-07-30 北京今谷神箭测控技术研究所 一种落锤式弯沉仪激光校准装置
CN104313987A (zh) * 2014-10-22 2015-01-28 江苏苏科畅联科技有限公司 一种落锤式弯沉仪的移动标定装置及移动标定方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD243338A1 (de) * 1985-12-11 1987-02-25 Univ Ernst Moritz Arndt Verfahren und anordnung zur eichung von wegmessgebern
CN1024046C (zh) * 1991-12-12 1994-03-16 中国人民解放军空军第二研究所 激光道面弯沉测试车
CN2302499Y (zh) * 1997-05-05 1998-12-30 南京理工大学 便携式激光路面弯沉检测仪
CN1396557A (zh) * 2002-08-01 2003-02-12 力捷电脑(中国)有限公司 使用三角形标记进行扫描定位校验的方法
JP3944583B2 (ja) * 2003-10-20 2007-07-11 独立行政法人産業技術総合研究所 光学密着不要なブロックゲージ校正方法および装置
CN100412503C (zh) * 2005-09-30 2008-08-20 中国海洋大学 多视角激光测头及其标定方法
CN100547167C (zh) * 2006-12-22 2009-10-07 南京理工大学 路面弯沉激光高速检测系统
CN102507358B (zh) * 2011-12-05 2013-07-17 中铁第五勘察设计院集团有限公司 动态变形模量测试仪校准装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5753808A (en) * 1995-09-11 1998-05-19 Quest Integrated, Inc. Self-compensating rolling weight deflectometer
CN2445317Y (zh) * 2000-10-18 2001-08-29 盛安连 激光路面弯沉测定仪
CN201306998Y (zh) * 2008-11-28 2009-09-09 沈阳黎明航空发动机(集团)有限责任公司 一种二等量块接触式激光干涉仪
CN101806582A (zh) * 2010-03-29 2010-08-18 天津大学 基于步进电机的量块自动检定装置
CN202329556U (zh) * 2011-11-15 2012-07-11 贵阳新天光电科技有限公司 一种用测长机检定长度大于200mm三等量块的装置
US20130283924A1 (en) * 2012-04-26 2013-10-31 Quest Integrated, Inc. Rolling weight deflectometer
CN103954296A (zh) * 2013-09-05 2014-07-30 北京今谷神箭测控技术研究所 一种落锤式弯沉仪激光校准装置
CN104313987A (zh) * 2014-10-22 2015-01-28 江苏苏科畅联科技有限公司 一种落锤式弯沉仪的移动标定装置及移动标定方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115217018A (zh) * 2022-07-11 2022-10-21 武汉光谷卓越科技股份有限公司 基于滚动载荷作用下变形速度的弯沉盆检测方法及装置

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