CN110174280A - A method of calibrating telescopic device calibration system - Google Patents
A method of calibrating telescopic device calibration system Download PDFInfo
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- CN110174280A CN110174280A CN201910442916.5A CN201910442916A CN110174280A CN 110174280 A CN110174280 A CN 110174280A CN 201910442916 A CN201910442916 A CN 201910442916A CN 110174280 A CN110174280 A CN 110174280A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of methods for examining and determine telescopic device calibration system.Disclosed method includes: that test item to be examined and determine, test parameter to be examined and determine, the corresponding value up to standard of test parameter to be examined and determine is arranged；The test parameter to be examined and determine for treating verification test item is tested, and the corresponding test value of test parameter to be examined and determine is obtained；Determine test value whether within the scope of value up to standard, wherein, test item includes at least one of following: hardness determination, test force detection, the test parameter of hardness determination includes the hardness number for loading platen, and the test parameter of test force detection includes at least one of following: test force is with respect to resolving power, test force null offset, test force allowable error.Disclosed method ensure that telescopic device calibration system can provide accurate detection result always in use.
Description
Technical field
The present invention relates to the test of telescopic device calibration system more particularly to a kind of sides for examining and determine telescopic device calibration system
Method.
Background technique
Expansion Units for Highway Bridges is the need for allowing the vehicle to smoothly pass bridge floor, and meeting bridge superstructure deformation
It wants, the general name for the various devices being arranged at expansion joint.The working performance of Expansion Units for Highway Bridges and travel safety and easypro
Adaptive etc. is directly related.
In order to accurately test the indices of Expansion Units for Highway Bridges, usually require using telescopic device calibration system
To test it.Telescopic device calibration system is that Expansion Units for Highway Bridges detects essential equipment, is generally included
The structure members such as hydraulic device, rack, device for measuring force, control device, data acquisition device, safety device.
In order to guarantee that telescopic device calibration system is capable of providing accurate detection as a result, it is desirable to periodically examine and determine it.
It is, therefore, desirable to provide corresponding calibration method.
Summary of the invention
The method of calibrating telescopic device calibration system according to the present invention, comprising:
Test item to be examined and determine, test parameter to be examined and determine, the corresponding value up to standard of test parameter to be examined and determine are set；
The test parameter to be examined and determine for treating verification test item is tested, and the corresponding test of test parameter to be examined and determine is obtained
Value；
Determine test value whether within the scope of value up to standard,
Wherein, test item includes at least one of following: hardness determination, test force detection, the test ginseng of hardness determination
Number includes the hardness number of load platen, and the test parameter of test force detection includes at least one of following: opposite point of test force
Distinguish power, test force null offset, test force allowable error.
It is according to the present invention calibrating telescopic device calibration system method, test force allowable error include in following extremely
Few one kind: test force relative error of indicating value, test force relative error of repeatability in the indicating value, test force relative tolerance between forward and backward in indicating value,
Test force zero point relative error.
The method of calibrating telescopic device calibration system according to the present invention, hardness number, the test force for loading platen are opposite
Resolving power, test force null offset, test force relative error of indicating value, test force relative error of repeatability in the indicating value, test force indicating value
Into backhaul relative error, test force zero point relative error value up to standard be respectively as follows: not less than 55HRC, no more than 0.5%, ±
Between 0.2%, between ± 1.0%, no more than between 1.0%, ± 1.5%, between ± 0.1%.
The method of calibrating telescopic device calibration system according to the present invention, further includes:
Whether detection environmental condition reaches the environmental condition value up to standard for executing calibrating operation,
Wherein, environmental condition value up to standard includes: that environment temperature is, envionmental humidity is not more than between 23 DEG C ± 5 DEG C
65%RH.
The method of calibrating telescopic device calibration system according to the present invention, further includes:
Whether the parameter of auxiliary implement of the detection for executing calibrating operation reaches value up to standard,
Wherein, the value up to standard of the parameter of auxiliary implement includes at least one of following: the measurement accuracy of standard dynamometer
Not less than 0.3 grade, the range of standard Rockwell apparatus 20HRC between 70HRC, the range of standard stopwatch is not less than 30 minutes
And scale division value is not more than 0.1.
The method of calibrating telescopic device calibration system according to the present invention, further includes:
Whether the parameter for detecting standard specimen to be examined and determine reaches value up to standard,
Wherein, standard specimen includes at least one of comb-tooth-type standard specimen and modulus type standard specimen, standard specimen
The value up to standard of parameter include at least one of following: maximal dilation amount is that the length of the comb-tooth-type standard specimen of 400mm is big
It is more than or equal to 4000mm, maximal dilation amount in being equal to 2000mm, maximal dilation amount for the length of the modulus type standard specimen of 400mm
For the comb-tooth-type standard specimen of 800mm and the length of modulus type standard specimen is more than or equal to 6500mm, maximal dilation amount is
The comb-tooth-type standard specimen of 1200mm and the length of modulus type standard specimen are more than or equal to 6500mm.
Above-mentioned technical proposal according to the present invention ensure that telescopic device calibration system always can in use
Accurate detection result is provided.
Detailed description of the invention
It is incorporated into specification and the attached drawing for constituting part of specification shows the embodiment of the present invention, and with
Relevant verbal description principle for explaining the present invention together.In the drawings, similar appended drawing reference is for indicating class
As element.Drawings in the following description are some embodiments of the invention, rather than whole embodiments.It is common for this field
For technical staff, without creative efforts, other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 schematically illustrates the schematic flow diagram of the method for calibrating telescopic device calibration system according to the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.It needs
It is noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can mutual any combination.
Fig. 1 schematically illustrates the schematic flow diagram of the method for calibrating telescopic device calibration system according to the present invention.
As shown in Figure 1, the method for calibrating telescopic device calibration system according to the present invention, comprising:
Step S102: test item to be examined and determine, test parameter to be examined and determine, the corresponding value up to standard of test parameter to be examined and determine are set；
Step S104: the test parameter to be examined and determine for treating verification test item is tested, and test parameter pair to be examined and determine is obtained
The test value answered；
Step S106: determine test value whether within the scope of value up to standard,
Wherein, test item includes at least one of following: hardness determination, test force detection, the test ginseng of hardness determination
Number includes the hardness number of load platen, and the test parameter of test force detection includes at least one of following: opposite point of test force
Distinguish power, test force null offset, test force allowable error.
Load platen is the working face treated calibrating telescopic device and apply test force.For example, Rockwell apparatus can be used
To obtain the hardness number of load platen.
It is, for example, possible to use following methods to obtain test force with respect to resolving power.
If last figure, which changes, is not more than an increment, then it is assumed that its resolving power is an increment；Otherwise, it should be indicating value change
The half of dynamic range adds an increment.Opposite resolving power is calculated by formula (1):
Wherein, r is the resolving power (kN) of indicator, FNFor the maximum value (kN) of pilot strength measurement range.
It is, for example, possible to use following methods to obtain test force null offset.
1) it tests (son) system warm-up 20 minutes, is at good working order；
2) test (son) system has adjusted separately zero point in the minimum range of power, detects null offset in 15 minutes,
Null offset is calculated by formula (2):
Wherein, FodFor the drift value (kN) of zero point instruction, FLFor pilot strength measurement lower range limit (kN).
It is according to the present invention calibrating telescopic device calibration system method, test force allowable error include in following extremely
Few one kind: test force relative error of indicating value, test force relative error of repeatability in the indicating value, test force relative tolerance between forward and backward in indicating value,
Test force zero point relative error.
It is, for example, possible to use following methods to obtain above-mentioned various test force allowable errors.
1) standard dynamometer is connect with device for measuring force, and applied maximum test force 3 times；
2) test point should examine and determine at no less than 10 points of point, and be evenly distributed as much as possible since the 10% of maximum test force；
3) it after withered to device for measuring force and standard dynamometer, is tested point by point by test force incremental order, until maximum
Test force.Successively decreasing again by test force, sequence is point-by-point to carry out backhaul test, until the complete removal of test force, read zero point after about 30 seconds
Value；
4) it repeats step 3) 3 times, is subject to device for measuring force indicator, when reading on standard dynamometer, test force indicating value
Relative error, relative error of repeatability in the indicating value, relative tolerance between forward and backward in indicating value, zero point relative error press respectively formula (3), (4),
(5) it is calculated with (6).
Test force relative error of indicating value:
Test force relative error of repeatability in the indicating value:
Test force relative tolerance between forward and backward in indicating value:
Test force zero (point) relative error:
Wherein, F is standard dynamometer measured value (kN),For the arithmetic mean of instantaneous value (kN) of standard dynamometer measured value, FiFor instruction
The process indicating value (kN) of device, FimaxFor the maximum value (kN) of pilot strength measurement value, FiminFor the minimum value of pilot strength measurement value
(kN), FiFor the backhaul indicating value (kN) of indicator,For same measurement point 3 times measurement in, indicator process indicating value FiCalculation
Art average value (kN), FioFor the variable quantity (kN) of indicator zero point indicating value, FNFor the maximum value (kN) of pilot strength measurement range.
The method of calibrating telescopic device calibration system according to the present invention, hardness number, the test force for loading platen are opposite
Resolving power, test force null offset, test force relative error of indicating value, test force relative error of repeatability in the indicating value, test force indicating value
Into backhaul relative error, test force zero point relative error value up to standard be respectively as follows: not less than 55HRC, no more than 0.5%, ±
Between 0.2%, between ± 1.0%, no more than between 1.0%, ± 1.5%, between ± 0.1%.
The method of calibrating telescopic device calibration system according to the present invention, further includes:
Step S108: whether detection environmental condition reaches the environmental condition value up to standard for executing calibrating operation,
Wherein, environmental condition value up to standard includes: that environment temperature is, envionmental humidity is not more than between 23 DEG C ± 5 DEG C
65%RH.
The method of calibrating telescopic device calibration system according to the present invention, further includes:
Step S110: whether the parameter of auxiliary implement of the detection for executing calibrating operation reaches value up to standard,
Wherein, the value up to standard of the parameter of auxiliary implement includes at least one of following: the measurement accuracy of standard dynamometer
Not less than 0.3 grade, the range of standard Rockwell apparatus 20HRC between 70HRC, the range of standard stopwatch is not less than 30 minutes
And scale division value is not more than 0.1.
The method of calibrating telescopic device calibration system according to the present invention, further includes:
Step S112: whether the parameter for detecting standard specimen to be examined and determine reaches value up to standard,
Wherein, standard specimen includes at least one of comb-tooth-type standard specimen and modulus type standard specimen, standard specimen
The value up to standard of parameter include at least one of following: maximal dilation amount is that the length of the comb-tooth-type standard specimen of 400mm is big
It is more than or equal to 4000mm, maximal dilation amount in being equal to 2000mm, maximal dilation amount for the length of the modulus type standard specimen of 400mm
For the comb-tooth-type standard specimen of 800mm and the length of modulus type standard specimen is more than or equal to 6500mm, maximal dilation amount is
The comb-tooth-type standard specimen of 1200mm and the length of modulus type standard specimen are more than or equal to 6500mm.
Above-mentioned technical proposal according to the present invention ensure that telescopic device calibration system always can in use
Accurate detection result is provided.
Descriptions above can combine implementation individually or in various ways, and these variants all exist
Within protection scope of the present invention.
It will appreciated by the skilled person that whole or certain steps, system, dress in method disclosed hereinabove
Functional module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment,
Division between the functional module/unit referred in the above description not necessarily corresponds to the division of physical assemblies；For example, one
Physical assemblies can have multiple functions or a function or step and can be executed by several physical assemblies cooperations.Certain groups
Part or all components may be implemented as by processor, such as the software that digital signal processor or microprocessor execute, or by
It is embodied as hardware, or is implemented as integrated circuit, such as specific integrated circuit.Such software can be distributed in computer-readable
On medium, computer-readable medium may include computer storage medium (or non-transitory medium) and communication media (or temporarily
Property medium).As known to a person of ordinary skill in the art, term computer storage medium is included in for storing information (such as
Computer readable instructions, data structure, program module or other data) any method or technique in the volatibility implemented and non-
Volatibility, removable and nonremovable medium.Computer storage medium include but is not limited to RAM, ROM, EEPROM, flash memory or its
His memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic holder, tape, disk storage or other
Magnetic memory apparatus or any other medium that can be used for storing desired information and can be accessed by a computer.This
Outside, known to a person of ordinary skill in the art to be, communication media generally comprises computer readable instructions, data structure, program mould
Other data in the modulated data signal of block or such as carrier wave or other transmission mechanisms etc, and may include any information
Delivery media.
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；
And these are modified or replaceed, the spirit of the technical solution for various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
And range.
Claims (6)
1. a kind of method for examining and determine telescopic device calibration system characterized by comprising
Test item to be examined and determine, test parameter to be examined and determine, the corresponding value up to standard of the test parameter to be examined and determine are set；
The test parameter to be examined and determine of the test item to be examined and determine is tested, the corresponding survey of the test parameter to be examined and determine is obtained
Examination value；
Determine the test value whether within the scope of the value up to standard,
Wherein, the test item includes at least one of following: hardness determination, test force detection, the survey of the hardness determination
Examination parameter includes loading the hardness number of platen, and the test parameter of the test force detection includes at least one of following: test
Power is with respect to resolving power, test force null offset, test force allowable error.
2. the method for calibrating telescopic device calibration system as described in claim 1, which is characterized in that the test force allows to miss
Difference includes at least one of following: test force relative error of indicating value, test force relative error of repeatability in the indicating value, test force indicating value
Into backhaul relative error, test force zero point relative error.
3. the method for calibrating telescopic device calibration system as claimed in claim 2, which is characterized in that described to load the hard of platen
Angle value, the test force are with respect to resolving power, test force null offset, test force relative error of indicating value, test force indicating value repeatability
Relative error, test force relative tolerance between forward and backward in indicating value, test force zero point relative error value up to standard be respectively as follows: and be not less than
55HRC, no more than between 0.5%, ± 0.2%, between ± 1.0%, no more than between 1.0%, ± 1.5%, ± 0.1% it
Between.
4. the method for calibrating telescopic device calibration system as claimed in claim 1 or 2, which is characterized in that further include:
Whether detection environmental condition reaches the environmental condition value up to standard for executing calibrating operation,
Wherein, environmental condition value up to standard includes: that environment temperature is, envionmental humidity is not more than between 23 DEG C ± 5 DEG C
65%RH.
5. the method for calibrating telescopic device calibration system as claimed in claim 1 or 2, which is characterized in that further include:
Whether the parameter of auxiliary implement of the detection for executing calibrating operation reaches value up to standard,
Wherein, the value up to standard of the parameter of the auxiliary implement includes at least one of following: the measurement accuracy of standard dynamometer
Not less than 0.3 grade, the range of standard Rockwell apparatus 20HRC between 70HRC, the range of standard stopwatch is not less than 30 minutes
And scale division value is not more than 0.1.
6. the method for calibrating telescopic device calibration system as claimed in claim 1 or 2, which is characterized in that further include:
Whether the parameter for detecting standard specimen to be examined and determine reaches value up to standard,
Wherein, the standard specimen includes at least one of comb-tooth-type standard specimen and modulus type standard specimen, the standard
The value up to standard of the parameter of test specimen includes at least one of following: maximal dilation amount is the length of the comb-tooth-type standard specimen of 400mm
The length for the modulus type standard specimen that degree is more than or equal to 2000mm, maximal dilation amount is 400mm is more than or equal to 4000mm, maximum is stretched
The length of comb-tooth-type standard specimen and modulus type standard specimen that contracting amount is 800mm is more than or equal to 6500mm, maximal dilation amount is
The comb-tooth-type standard specimen of 1200mm and the length of modulus type standard specimen are more than or equal to 6500mm.
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| CN201910442916.5A CN110174280A (en) | 2019-05-26 | 2019-05-26 | A method of calibrating telescopic device calibration system |
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| CN201910442916.5A CN110174280A (en) | 2019-05-26 | 2019-05-26 | A method of calibrating telescopic device calibration system |
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| CN104762874A (en) * | 2015-04-08 | 2015-07-08 | 杨皓玮 | Joint expansion and contraction device for assembled bridge and mounting method of joint expansion and contraction device |
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| CN109680605A (en) * | 2019-01-29 | 2019-04-26 | 杨胜 | A kind of comb-tooth-type bridge extension joint |
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2019
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| CN1926426A (en) * | 2003-12-03 | 2007-03-07 | 海军秘书处代表的美国政府 | Multiparameter system for environmental monitoring |
| JP2012173001A (en) * | 2011-02-17 | 2012-09-10 | Taisei Corp | Estimation method of damaged part |
| CN104762874A (en) * | 2015-04-08 | 2015-07-08 | 杨皓玮 | Joint expansion and contraction device for assembled bridge and mounting method of joint expansion and contraction device |
| CN108956006A (en) * | 2018-08-20 | 2018-12-07 | 云南省计量测试技术研究院 | Small value force measuring instrument rapid verification calibration system |
| CN109680605A (en) * | 2019-01-29 | 2019-04-26 | 杨胜 | A kind of comb-tooth-type bridge extension joint |
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Application publication date: 20190827 |