CN107288116A - A kind of depression value detection device of non-contact hand-held hammer-falling deflectometer - Google Patents
A kind of depression value detection device of non-contact hand-held hammer-falling deflectometer Download PDFInfo
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- CN107288116A CN107288116A CN201710494409.7A CN201710494409A CN107288116A CN 107288116 A CN107288116 A CN 107288116A CN 201710494409 A CN201710494409 A CN 201710494409A CN 107288116 A CN107288116 A CN 107288116A
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- depression value
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/08—Investigation of foundation soil in situ after finishing the foundation structure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer, including hand-held hammer-falling deflectometer depression value detecting system (1), remote sensing electronic control module (2), signal processing module (3) and Automated library system module (4), the hand-held hammer-falling deflectometer depression value detecting system (1) of ultrasound has the photoelectric sensor probe (1 2) installed in detection platform (1 1) and detection platform (1 1), the hand-held hammer-falling deflectometer depression value detecting system (1) of ultrasound will detect that signal is transferred to ultrasonic signal processing module (3) and handled, ultrasonic remote sensing electronic control module (2) sends remote sensing automatically controlled signal to ultrasonic dynamic deformation modulus tester depression value detecting system (1), detection trigger, real-time communication between ultrasonic computer integration module (4) and ultrasonic remote sensing electronic control module (2) and ultrasonic signal processing module (3), carry out data transmission and handle.The device of noncontact and intellectualized detection depression value causes measurement result more accurate, and continuous recurrence rate is improved.
Description
Technical field
The present invention relates to metering field, the depression value detection technique of particularly a kind of non-contact hand-held hammer-falling deflectometer.
Background technology
Hand-held hammer-falling deflectometer is a kind of dynamic measuring instrument device, is become for monitor and detection ground dynamic characteristic index-dynamic
A kind of foundation special construction quality measurement instrument that shape modulus is put, is widely used in railway, highway, high ferro, airport, urban transportation
Foundation construction quality monitoring detection, be particularly suitable for use in narrow space location detection, such as road-bridge transition section, existing line base.
After process of measurement starts, will carry out depression analyzer after three Secondary Shocks tests, every Secondary Shocks can show depression value.One
After test loop terminates, it can be deduced that average depression value and dynamic deformation module value are simultaneously shown on liquid crystal display.It is hand-held to drop hammer curved
Heavy instrument is made up of loading device, depression analyzer and loading plate, and the depression value detection difficulty of wherein depression analyzer is larger, dynamic
The assay calibration of measuring instrument, is a difficult point of length metering detection, and traditional hand-held hammer-falling deflectometer detection means is being led
Annulus is provided with to the front end of bar fixed mount, the bottom of column is provided with tangent displacement sensor fixed mount, so that multiple in action
Existing a certain standard depression value, but this mode operating procedure is complicated, feeler is easily separated from detected instrument, produces inspection
Dendrometry is true, and later stage calculation processes are complicated, and detection quality and efficiency are constrained significantly.
In addition, the mechanism of hand-held hammer-falling deflectometer is studied at present and few, to hand-held hammer-falling deflectometer school such as middle iron
Standard apparatus is studied, and still hand-held hammer-falling deflectometer depression value is detected using tangent displacement sensor, it is impossible to real
, there is data distortion, it is impossible to accurately measure the error of indication of hand-held hammer-falling deflectometer in existing quick response；In hand over to the collective or the state department
Study application of the hand-held hammer-falling deflectometer on the Ah's Roadbed Construction of storehouse；North China University of Tech is studied on railway bed
Compaction quality Testing index and the teaching and research research of correlation of depression value, but do not study the problem of tracing to the source of depression value.
Therefore the mode of substitution touch sensor measurement, improves depression value reproducibility, hand-held hammer-falling deflectometer depression
Continuously reproduction is still Research Challenges to value.
The content of the invention
It is an object of the invention to provide a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer, including hand
Hammer-falling deflectometer depression value detecting system, remote sensing electronic control module, signal processing module and Automated library system module are held, it is described hand-held
Hammer-falling deflectometer depression value detecting system has the photoelectric sensor probe installed in detection platform and detection platform, the hand
Holding hammer-falling deflectometer depression value detecting system will detect that signal is transferred to the signal processing module and handled, the remote sensing electricity
Control module and send remote sensing automatically controlled signal, detection trigger, the meter to the dynamic deformation modulus tester depression value detecting system
Real-time communication between calculation machine integration module and the remote sensing electronic control module and the signal processing module, carry out data transmission and
Processing.
It is preferred that, the hand-held hammer-falling deflectometer depression value detecting system has the spacing demarcation calibration of angular distribution light beam
Block, complex optics three calibrating coordinates of the measured uncertainty of calibration block better than 0.05 micron are demarcated.
It is preferred that, the hand-held hammer-falling deflectometer depression value detecting system using the two-frequency laser interferometer of certain precision as
Length standard, demarcates calibration block as reference using the spacing of angular distribution light beam, has to the gauge head light beam of hand-held hammer-falling deflectometer
Effect spacing is demarcated.
It is preferred that, the photoelectric sensor probe is laser photoelectricity sensor probe.
It is preferred that, the photoelectric sensor probe carries out linear calibration using second-class gauge block.
It is preferred that, the signal processing module includes laser, signal processing unit and ambient compensation unit.
It is preferred that, the laser is trigonometry laser.
It is preferred that, the ambient compensation unit includes temperature compensation unit and pressure compensation unit.
It is preferred that, the Automated library system module has human-computer interaction interface, realizes to photoelectric sensor probe position
Control ＆ data acquisition, storage and display in real time are carried out by the mathematical modeling of structure to the depression value measurement data of reproduction.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.The target and feature of the present invention is considered to will be apparent from below in conjunction with the description of accompanying drawing,
In accompanying drawing：
Fig. 1 is the depression value detection device structural representation of the non-contact hand-held hammer-falling deflectometer according to the embodiment of the present invention
Figure.
Embodiment
Referring to accompanying drawing 1, a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer, including the hand-held flexure that drops hammer
Instrument depression value detecting system 1, remote sensing electronic control module 2, signal processing module 3 and Automated library system module 4, it is described hand-held to drop hammer curved
Heavy instrument depression value detecting system 1 has the photoelectric sensor probe 1-2 installed in detection platform 1-1 and detection platform, hand-held
Hammer-falling deflectometer depression value detecting system 1 will detect that signal is transferred to signal processing module 3 and handled, remote sensing electronic control module 2
Remote sensing automatically controlled signal, detection trigger, Automated library system module 4 are sent to dynamic deformation modulus tester depression value detecting system 1
The real-time communication between remote sensing electronic control module 2 and signal processing module 3, carries out data transmission and handles.The hand-held flexure that drops hammer
Instrument depression value detecting system 1 has spacing demarcation the calibration block 1-3, calibration block 1-3 of angular distribution light beam measured uncertain
Complex optics three calibrating coordinates of the degree better than 0.05 micron are demarcated.Cleaning Principle is hand-held hammer-falling deflectometer depression value detecting system
1 using the two-frequency laser interferometer of 0.5ppm precision as length standard, is made with the spacing demarcation calibration block 1-3 of angular distribution light beam
For reference, the effective spacing of gauge head light beam to hand-held hammer-falling deflectometer is demarcated, 200.0261 millimeters of calibration result position, photoelectricity
Sensor probe uses laser photoelectricity sensor probe, naturally it is also possible to which use can be equal to precision micrometer and carry out three
Angle is distributed other photoelectric sensor probes of spacing, and photoelectric sensor probe carries out linear calibration using second-class gauge block.At signal
Managing module 3 includes laser 3-1, signal processing unit 3-2 and ambient compensation unit 3-3, and wherein laser 3-1 swashs for trigonometry
Light device, naturally it is also possible to use other similar lasers, ambient compensation unit 3-3 includes temperature compensation unit 3-3-1 and pressure
Force compensating unit 3-3-2 (not shown)s.Automated library system module 4 has human-computer interaction interface, realizes to photoelectric sensor
The Control ＆ data acquisition of probe positions, storage is carried out and real by the mathematical modeling of structure to the depression value measurement data of reproduction
When show, Software for Design mainly use Visual C++ environment, using .NET exploitation control man-machine interface, set up hardware communications machine
System.
Displacement transducer gauge head, the method for intellectualized detection depression value, measurement knot are replaced using non-contacting photoelectricity gauge head
Fruit is more accurate, and continuous recurrence rate is improved.
Although the present invention is described by reference to specific illustrative embodiment, will not be by these embodiments
Restriction and only limited by accessory claim.It should be understood by those skilled in the art that can be without departing from the present invention's
Embodiments of the invention can be modified and be changed in the case of protection domain and spirit.
Claims (9)
1. a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer, it is characterised in that：Including the hand-held flexure that drops hammer
Instrument depression value detecting system (1), remote sensing electronic control module (2), signal processing module (3) and Automated library system module (4), the hand
Hammer-falling deflectometer depression value detecting system (1) is held with the photoelectric transfer installed in detection platform (1-1) and detection platform (1-1)
Sensor is popped one's head in (1-2), and the hand-held hammer-falling deflectometer depression value detecting system (1) will detect that signal is transferred to the signal transacting
Module (3) is handled, and the remote sensing electronic control module (2) is to the dynamic deformation modulus tester depression value detecting system (1)
Send remote sensing automatically controlled signal, detection trigger, the Automated library system module (4) and the remote sensing electronic control module (2) and described
Real-time communication between signal processing module (3), carries out data transmission and handles.
2. a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer according to claim 1, its feature exists
In：Spacing demarcation calibration block (1- of the hand-held hammer-falling deflectometer depression value detecting system (1) also with angular distribution light beam
3), complex optics three calibrating coordinates of the measured uncertainty of the calibration block (1-3) better than 0.05 micron are demarcated.
3. a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer according to claim 2, its feature exists
In：The hand-held hammer-falling deflectometer depression value detecting system (1) using the two-frequency laser interferometer of certain precision as length standard,
Spacing demarcation calibration block (1-3) using the angular distribution light beam has as reference to the gauge head light beam of hand-held hammer-falling deflectometer
Effect spacing is demarcated.
4. a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer according to claim 1, its feature exists
In：The photoelectric sensor probe (1-2) is laser photoelectricity sensor probe.
5. a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer according to claim 1, its feature exists
In：The photoelectric sensor probe (1-2) carries out linear calibration using second-class gauge block.
6. a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer according to claim 1, its feature exists
In：The signal processing module (3) includes laser (3-1), signal processing unit (3-2) and ambient compensation unit (3-3).
7. a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer according to claim 6, its feature exists
In：The laser (3-1) is trigonometry laser.
8. a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer according to claim 6, its feature exists
In：The ambient compensation unit (3-3) includes temperature compensation unit (3-3-1) and pressure compensation unit (3-3-2).
9. a kind of depression value detection device of non-contact hand-held hammer-falling deflectometer according to claim 1, its feature exists
In：The Automated library system module (4) has human-computer interaction interface, realizes the control to photoelectric sensor probe position and data
Collection, storage and display in real time are carried out by the mathematical modeling of structure to the depression value measurement data of reproduction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494409.7A CN107288116A (en) | 2017-06-26 | 2017-06-26 | A kind of depression value detection device of non-contact hand-held hammer-falling deflectometer |
| PCT/CN2017/090473 WO2019000260A1 (en) | 2017-06-26 | 2017-06-28 | Sinking value detecting device of non-contact handheld drop hammer deflectograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494409.7A CN107288116A (en) | 2017-06-26 | 2017-06-26 | A kind of depression value detection device of non-contact hand-held hammer-falling deflectometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107288116A true CN107288116A (en) | 2017-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710494409.7A Pending CN107288116A (en) | 2017-06-26 | 2017-06-26 | A kind of depression value detection device of non-contact hand-held hammer-falling deflectometer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107288116A (en) |
| WO (1) | WO2019000260A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472243A (en) * | 2020-04-22 | 2020-07-31 | 重庆交通大学 | Method for testing comprehensive dynamic modulus of roadbed and pavement structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106822B (en) * | 2021-04-17 | 2022-05-20 | 南京熙赢测控技术有限公司 | Harmful vibration isolation system and method for drop hammer type deflectometer |
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| CN1758018A (en) * | 2005-09-30 | 2006-04-12 | 中国海洋大学 | Multi visual angle laser measuring head and its calibration method |
| CN101205700A (en) * | 2006-12-22 | 2008-06-25 | 南京理工大学 | Laser rapid detecting system for pavement deflection |
| JP2016023537A (en) * | 2014-07-24 | 2016-02-08 | 国立研究開発法人土木研究所 | Deflection measurement method and deflection measurement device |
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| US5753808A (en) * | 1995-09-11 | 1998-05-19 | Quest Integrated, Inc. | Self-compensating rolling weight deflectometer |
| CN2445317Y (en) * | 2000-10-18 | 2001-08-29 | 盛安连 | Laser pavement deflection investigating instrument |
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| WO2013163618A1 (en) * | 2012-04-26 | 2013-10-31 | Quest Integrated, Inc. | Rolling weight deflectometer |
| CN103954296B (en) * | 2013-09-05 | 2017-03-15 | 北京今谷神箭测控技术研究所 | A kind of FWD laser calibrating equipment |
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- 2017-06-28 WO PCT/CN2017/090473 patent/WO2019000260A1/en active Application Filing
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| CN1758018A (en) * | 2005-09-30 | 2006-04-12 | 中国海洋大学 | Multi visual angle laser measuring head and its calibration method |
| CN101205700A (en) * | 2006-12-22 | 2008-06-25 | 南京理工大学 | Laser rapid detecting system for pavement deflection |
| JP2016023537A (en) * | 2014-07-24 | 2016-02-08 | 国立研究開発法人土木研究所 | Deflection measurement method and deflection measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472243A (en) * | 2020-04-22 | 2020-07-31 | 重庆交通大学 | Method for testing comprehensive dynamic modulus of roadbed and pavement structure |
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| WO2019000260A1 (en) | 2019-01-03 |
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