CN102507358B - Calibrating device of dynamic deformation modulus tester - Google Patents
Calibrating device of dynamic deformation modulus tester Download PDFInfo
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- CN102507358B CN102507358B CN 201110399490 CN201110399490A CN102507358B CN 102507358 B CN102507358 B CN 102507358B CN 201110399490 CN201110399490 CN 201110399490 CN 201110399490 A CN201110399490 A CN 201110399490A CN 102507358 B CN102507358 B CN 102507358B
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- dynamic deformation
- displacement transducer
- deformation module
- fixed mount
- module tester
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Abstract
The invention discloses a calibrating device of a dynamic deformation modulus tester, and the calibrating device comprises a stand column and a bearing pedestal, wherein a guide rod fixing frame is arranged at the upper part of the stand column and a circular ring is arranged at the front end of the guide rod fixing frame; a displacement sensor fixing frame is arranged at the lower part of the stand column and a displacement sensor is fixedly arranged at the front end of the displacement sensor fixing frame; the bearing pedestal is provided with a coupling plate and the coupling plate is provided with a bearing plate; the bearing plate is provided with a force sensor and the lower end of the displacement sensor is contacted with the bearing plate; a guide rod at the upper end of a dynamic deformation modulus tester to be calibrated is inserted into the circular ring and the lower end of the dynamic deformation modulus tester to be calibrated is pressed on the force sensor; the force sensor and the displacement sensor are connected with a data processing device, so that the calibrating device can be applicable to calibration requirements of the dynamic deformation modulus testers with different settlement values and different heights; and the calibrating device provided by the invention has the advantages of convenience for operation and capabilities of reducing the labor intensity and improving the calibration efficiency.
Description
Technical field
The present invention relates to a kind of checkout equipment, relate in particular to a kind of dynamic deformation module (Evd) tester calibrating installation.
Background technology
The dynamic deformation module tester is used for the dynamic bearing capacity that monitoring detects roadbed, is high-speed railway subgrade compaction quality major control index.For guaranteeing accuracy and the reliability of dynamic deformation module tester, need the dynamic deformation module tester is calibrated.
In the prior art, to the calibration of dynamic deformation module tester, also do not have a kind of calibrating installation of special use, be difficult for guaranteeing that data are accurate, and labour intensity is big, calibration efficiency is low.
Summary of the invention
The purpose of this invention is to provide a kind of dynamic deformation module tester calibrating installation, this device can adapt to the dynamic deformation module tester alignment requirements of different depression values, differing heights, and easy to operate, can reduce labour intensity, improve calibration efficiency.
The objective of the invention is to be achieved through the following technical solutions:
Dynamic deformation module tester calibrating installation of the present invention, comprise column, carrying pedestal, the top of described column is provided with the guide pole fixed mount, the front end of described guide pole fixed mount is provided with annulus, the bottom of described column is provided with the displacement transducer fixed mount, and the front end of described displacement transducer fixed mount fixedly has displacement transducer;
Described carrying pedestal is provided with coupling plate, and described coupling plate is provided with loading plate, and described loading plate is provided with the power sensor, and the lower end of described displacement transducer contacts with described loading plate;
The guide pole of dynamic deformation module tester to be calibrated upper end is inserted in the described annulus, and the lower end of dynamic deformation module tester to be calibrated is pressed on the described power sensor;
Described power sensor and displacement transducer are connected with data processing equipment.
As seen from the above technical solution provided by the invention, dynamic deformation module tester calibrating installation provided by the invention, owing to comprise column, carrying pedestal, the top of column is provided with the guide pole fixed mount, the front end of guide pole fixed mount is provided with annulus, the bottom of column is provided with the displacement transducer fixed mount, and the front end of displacement transducer fixed mount fixedly has displacement transducer; The carrying pedestal is provided with coupling plate, and coupling plate is provided with loading plate, and loading plate is provided with the power sensor, and the lower end of displacement transducer contacts with loading plate; The guide pole of dynamic deformation module tester to be calibrated upper end is inserted in the annulus, and the lower end of dynamic deformation module tester to be calibrated is pressed on the power sensor; Power sensor and displacement transducer are connected with data processing equipment, can adapt to the dynamic deformation module tester alignment requirements of different depression values, differing heights, and easy to operate, can reduce labour intensity, improve calibration efficiency.
Description of drawings
The structural representation of the dynamic deformation module tester calibrating installation that Fig. 1 provides for the embodiment of the invention.
Among the figure: 1, guide pole fixed mount, 2, the displacement transducer fixed mount, 3, the power sensor, 4, displacement transducer, 5, data processing equipment, 6, coupling plate, 7, load pedestal, 8, lifting jack, 9, hand oil pump, 10, concrete foundation, 11, vibration isolate ditch, 12, column, 13, dynamic deformation module tester to be calibrated, 14, loading plate.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
Dynamic deformation module (E of the present invention
Vd) the tester calibrating installation, the embodiment that it is preferable:
Comprise column, carrying pedestal, the top of described column is provided with the guide pole fixed mount, the front end of described guide pole fixed mount is provided with annulus, and the bottom of described column is provided with the displacement transducer fixed mount, and the front end of described displacement transducer fixed mount fixedly has displacement transducer;
Described carrying pedestal is provided with coupling plate, and described coupling plate is provided with loading plate, and described loading plate is provided with the power sensor, and the lower end of described displacement transducer contacts with described loading plate;
The guide pole of dynamic deformation module tester to be calibrated upper end is inserted in the described annulus, and the lower end of dynamic deformation module tester to be calibrated is pressed on the described power sensor;
Described power sensor and displacement transducer are connected with data processing equipment.
The bottom of described coupling plate is provided with lifting jack, and described lifting jack is connected with hand oil pump.
Described displacement transducer has 3, and 3 displacement transducers circumferentially are mutually 120 ° of front ends that are arranged in described displacement transducer fixed mount.
Be provided with the lengthwise position regulating device between described guide pole fixed mount and the described column.
Described column is steel structure column or wall.
The bottom of described carrying pedestal is provided with concrete foundation, is provided with vibration isolate ditch between described concrete foundation and the described column.
Dynamic deformation module tester calibrating installation of the present invention can adapt to the Evd tester alignment requirements of different depression values, differing heights, and easy to operate, can reduce labour intensity, improve calibration efficiency.
Specific embodiment:
As shown in Figure 1, comprising: guide pole fixed mount, displacement transducer fixed mount, lifting jack, hand oil pump, load pedestal, coupling plate, power sensor, displacement transducer, data processing equipment etc.
Described guide pole fixed mount is connected with dynamic deformation module tester guide pole by the front end annulus, is used for fixing test instrument position, makes it keep plumbness.Can calibrate with the dynamic deformation module tester that adapts to different drop heights by the height of regulating the guide pole fixed mount simultaneously.
Described displacement transducer fixed mount is connected with three displacement transducers, and displacement transducer is installed in three circular holes that are mutually 120 ° on the displacement transducer fixed mount by bolt.And can make sensor adapt to the depression value calibration of different-thickness rubber blanket by the height of regulating the displacement transducer fixed mount.
The loading plate of described displacement transducer bottom and dynamic deformation module tester bottom is close to, and the depression value that rubber blanket produces when being used for gathering the work of dynamic deformation module tester can pass to data processing equipment with signal simultaneously and handle.
Described power sensor top is connected with the dynamic deformation module tester, and the bottom is fixed on the loading plate.Be used for gathering the impulsive force that the dynamic deformation module tester produces, simultaneously signal passed to data processing equipment and handle.
Described coupling plate top is connected with loading plate, and the bottom is fixed by bolt and lifting jack top.Lifting jack is installed in the middle of the load pedestal, and the top is connected with coupling plate, and the bottom is fixed to load pedestal bottom.
In impulsive force when calibration of carrying out the dynamic deformation module tester, coupling plate is close to and is put off on the load pedestal.
When carrying out dynamic deformation module depression value calibration, pressurize the jack-up coupling plate to lifting jack by hand oil pump.Add the rubber blanket of different-thickness between the coupling plate of jack-up and load pedestal, shed the pressure in the oil cylinder after the adding, rubber blanket is close between coupling plate and the load pedestal fully.
Beneficial effect of the present invention mainly comprises following three aspects:
(1) the guide pole fixed mount is used for fixedly E
VdThe guide pole of tester makes guide pole perpendicular to surface level, to guarantee E
VdDropping hammer of tester can freely falling body; When carrying out impulsive force and depression value calibration, by regulating the height of guide pole fixed mount, can adapt to the E of differing heights
VdTester;
(2) during the depression value calibration, by hand oil pump lifting jack is pressurizeed the lifting of control coupling plate.When the calibration impulsive force, coupling plate directly is fixed on the load pedestal; During calibration depression value, below coupling plate, lay the rubber blanket of different-thickness, make E
VdTester produces different depression values;
(3) during the depression value calibration, by regulating the support bracket fastened height of displacement transducer, can adapt to E
VdTester carries out the calibration of different depression values.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (6)
1. dynamic deformation module tester calibrating installation, it is characterized in that, comprise column, carrying pedestal, the top of described column is provided with the guide pole fixed mount, the front end of described guide pole fixed mount is provided with annulus, the bottom of described column is provided with the displacement transducer fixed mount, and the front end of described displacement transducer fixed mount fixedly has displacement transducer;
Described carrying pedestal is provided with coupling plate, and described coupling plate is provided with loading plate, and described loading plate is provided with the power sensor, and the lower end of described displacement transducer contacts with described loading plate;
The guide pole of dynamic deformation module tester to be calibrated upper end is inserted in the described annulus, and the lower end of dynamic deformation module tester to be calibrated is pressed on the described power sensor;
Described power sensor and displacement transducer are connected with data processing equipment.
2. dynamic deformation module tester calibrating installation according to claim 1 is characterized in that the bottom of described coupling plate is provided with lifting jack, and described lifting jack is connected with hand oil pump.
3. dynamic deformation module tester calibrating installation according to claim 1 is characterized in that, described displacement transducer has 3, and 3 displacement transducers circumferentially are mutually 120 ° of front ends that are arranged in described displacement transducer fixed mount.
4. according to claim 1,2 or 3 described dynamic deformation module tester calibrating installations, it is characterized in that, be provided with the lengthwise position regulating device between described guide pole fixed mount and the described column.
5. dynamic deformation module tester calibrating installation according to claim 4 is characterized in that, described column is steel structure column or wall.
6. dynamic deformation module tester calibrating installation according to claim 5 is characterized in that the bottom of described carrying pedestal is provided with concrete foundation, is provided with vibration isolate ditch between described concrete foundation and the described column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110399490 CN102507358B (en) | 2011-12-05 | 2011-12-05 | Calibrating device of dynamic deformation modulus tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110399490 CN102507358B (en) | 2011-12-05 | 2011-12-05 | Calibrating device of dynamic deformation modulus tester |
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| Publication Number | Publication Date |
|---|---|
| CN102507358A CN102507358A (en) | 2012-06-20 |
| CN102507358B true CN102507358B (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110399490 Active CN102507358B (en) | 2011-12-05 | 2011-12-05 | Calibrating device of dynamic deformation modulus tester |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697877A (en) * | 2015-02-11 | 2015-06-10 | 中铁第五勘察设计院集团有限公司 | Method for automatically checking foundation coefficient tester |
| CN104713793A (en) * | 2015-04-01 | 2015-06-17 | 中铁第五勘察设计院集团有限公司 | Roadbed filling quality detector |
| CN106990013A (en) * | 2017-05-24 | 2017-07-28 | 中铁第五勘察设计院集团有限公司 | A kind of dynamic bearing ratio tester deflection calibrating installation |
| CN107132135A (en) * | 2017-06-26 | 2017-09-05 | 深圳市樊溪电子有限公司 | A kind of depression value detecting system of non-contact hand-held hammer-falling deflectometer |
| CN108333072A (en) * | 2018-01-17 | 2018-07-27 | 交通运输部公路科学研究所 | A kind of road surface dynamic deflection calibration method and device based on respondent behavior reconstruct |
| CN110319760A (en) * | 2018-03-30 | 2019-10-11 | 中国石油天然气股份有限公司 | Rock deformation extensometer caliberating device and scaling method |
| CN111413492A (en) * | 2020-04-30 | 2020-07-14 | 山东大学 | Method and system for detecting novel coronavirus COVID-2019 pneumonia |
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|---|---|---|---|---|
| JP2000035393A (en) * | 1998-07-15 | 2000-02-02 | Akashi Corp | Apparatus for evaluating dynamic characteristics of sample |
| CN1916595A (en) * | 2006-09-01 | 2007-02-21 | 莱州市电子仪器有限公司 | Method for testing accuracy of measuring dynamical force value of brute force instrument, and equipment for generating force value |
| CN102435718A (en) * | 2011-09-22 | 2012-05-02 | 铁道第三勘察设计院集团有限公司 | Common digital display detection calibrating device for soil test instrument pressure measurement |
| CN202362221U (en) * | 2011-12-05 | 2012-08-01 | 中铁第五勘察设计院集团有限公司 | Calibration device for dynamic deformation modulus tester |
-
2011
- 2011-12-05 CN CN 201110399490 patent/CN102507358B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000035393A (en) * | 1998-07-15 | 2000-02-02 | Akashi Corp | Apparatus for evaluating dynamic characteristics of sample |
| CN1916595A (en) * | 2006-09-01 | 2007-02-21 | 莱州市电子仪器有限公司 | Method for testing accuracy of measuring dynamical force value of brute force instrument, and equipment for generating force value |
| CN102435718A (en) * | 2011-09-22 | 2012-05-02 | 铁道第三勘察设计院集团有限公司 | Common digital display detection calibrating device for soil test instrument pressure measurement |
| CN202362221U (en) * | 2011-12-05 | 2012-08-01 | 中铁第五勘察设计院集团有限公司 | Calibration device for dynamic deformation modulus tester |
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| CN102507358A (en) | 2012-06-20 |
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