CN109387325A - Dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand - Google Patents
Dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand Download PDFInfo
- Publication number
- CN109387325A CN109387325A CN201811179415.4A CN201811179415A CN109387325A CN 109387325 A CN109387325 A CN 109387325A CN 201811179415 A CN201811179415 A CN 201811179415A CN 109387325 A CN109387325 A CN 109387325A
- Authority
- CN
- China
- Prior art keywords
- oleo
- dynamometry
- test
- testing stand
- dynamometer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 137
- 238000009434 installation Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 19
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000010931 gold Substances 0.000 claims abstract description 23
- 229910052737 gold Inorganic materials 0.000 claims abstract description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000007689 inspection Methods 0.000 claims description 2
- 241001148715 Lamarckia aurea Species 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000003137 locomotive effect Effects 0.000 description 6
- 238000013016 damping Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
Abstract
The present invention relates to a kind of dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand, which includes braced frame, a thousand pieces of gold top and standard force-measuring meter；Braced frame includes pedestal, pillar and crossbeam, and pillar is set on pedestal, and crossbeam is set on pillar；A thousand pieces of gold top is set to the lower section on pedestal and being located at crossbeam, and a thousand pieces of gold is very useful in test dynamometer application active force；Under align mode, test dynamometer is placed on jack, standard force-measuring meter is placed on test dynamometer and withstands crossbeam, and standard force-measuring meter obtains the calibration value of jack pair test dynamometer force, calibrated according to reading of the calibration value to test dynamometer.The dynamometry calibrating installation obtains calibration value by a thousand pieces of gold top to the pressurization and pressure release of test dynamometer and by standard force-measuring meter, can be used for the daily calibration of oleo-gear testing stand, guarantees the accuracy of oleo-gear testing stand detection.
Description
Technical field
The present invention relates to a kind of dynamometry calibrating installations and dynamometry calibration method for oleo-gear testing stand.
Background technique
It is shock mitigation system that oleo-gear, which is the one of locomotive, two, is rushed from route to locomotive sprung mass for alleviating
It hits and vibrates, keep locomotive more steady reliable in high-speed cruising.Vibration in locomotive high-speed cruising, from route to locomotive
It drives the piston of oleo-gear to generate reciprocating motion with impact, makes to close the thin-walled that in-oil cylinder hydraulic oil passes through cylinder barrel bottom
Throttle orifice in throttle orifice and piston generates certain damping, by adjusting the adjustable oleo-gear resistance of size of throttle orifice
The size of Buddhist nun's coefficient.The damping factor range of oleo-gear used by the locomotive of each model is different, it is ensured that
Every trolley oleo-gear reaches defined technical requirements, must just test each oleo-gear.
Oleo-gear testing stand is exactly the device for detecting oleo-gear damped coefficient.Pass through oleo-gear testing stand
Test experience data are obtained, experimental data accurately and reliably just can guarantee the accurate and reliable of testing result.In order to obtain accurate inspection
Survey result, it is necessary to periodically calibrate to the dynamometry part of damper testing stand.However, the survey on oleo-gear testing stand
Power meter is linked together with testing stand, drives oleo-gear work by the reciprocating motion of connecting rod, can not be in testing stand
On the dynamometer of testing stand detected, calibrated.
Summary of the invention
For the technical problems in the prior art, the dynamometer for providing a kind of pair of damper testing stand carries out the present invention
The dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand of calibration, to guarantee oleo-gear testing stand
Measuring accuracy.
The technical scheme to solve the above technical problems is that
There is test to use for a kind of dynamometry calibrating installation for oleo-gear testing stand, the oleo-gear testing stand
Dynamometer, the dynamometry calibrating installation by oleo-gear testing stand include based on braced frame, a thousand pieces of gold top and standard force-measuring；
The braced frame includes pedestal, pillar and crossbeam, and the pillar is set on the pedestal, and the crossbeam is set to institute
It states on pillar；
A thousand pieces of gold top is set to the lower section on the pedestal and being located at the crossbeam, and described a thousand pieces of gold is very useful in the test
Apply active force with dynamometer；
Under align mode, the test dynamometer is placed on the jack, and the standard force-measuring meter is placed in the examination
It tests on dynamometer, and the top of the standard force-measuring meter and the lower surface of the crossbeam are inconsistent, the standard force-measuring meter obtains
The calibration value for taking test dynamometer described in the jack pair to exert a force, according to the calibration value to the test dynamometer
Reading is calibrated.
The beneficial effects of the present invention are:
Dynamometry calibrating installation for oleo-gear testing stand of the invention is surveyed by braced frame, a thousand pieces of gold top and standard
Power meter matches setting, obtains calibration to the pressurization and pressure release of test dynamometer and by standard force-measuring meter by a thousand pieces of gold top
Value can be used for the daily calibration of oleo-gear testing stand, guarantee the accuracy of oleo-gear testing stand detection.
Based on the above technical solution, the present invention can also be improved as follows.
In one of the embodiments, there are two the pillars, two pillars are respectively arranged on the both ends of the crossbeam.
A thousand pieces of gold top is hydraulic a thousand pieces of gold top or screw jack in one of the embodiments,.
The dynamometry calibrating installation for oleo-gear testing stand further includes for filling out in one of the embodiments,
Fill the connecting column between the jack and the test dynamometer or between the standard pressure gauge and the crossbeam.
The fixed structure for fixing the jack is additionally provided on the pedestal in one of the embodiments,.
The pillar is retractable supports column in one of the embodiments,.
A kind of dynamometry calibration method for oleo-gear testing stand, is subtracted using described in any of the above embodiments for oil pressure
The dynamometry calibrating installation of device testing stand is shaken, the calibration method includes the following steps:
The test dynamometer is placed on the jack by S1, and the standard force-measuring meter is placed in the test and is used
On dynamometer, and the top of the standard force-measuring meter and the lower surface of the crossbeam are inconsistent；
S2 is pressurizeed using test dynamometer described in the jack pair, and the standard force-measuring meter is made to reach default
Corrected value, read the reading of the test dynamometer, the reading of the corrected value and the test dynamometer carried out
Compare:
If the difference of the two meets error range requirement, show the test dynamometer Pass Test requirement；
If the difference of the two calibrates the test dynamometer beyond error range requirement, then by the jack pressure release,
Repressurization is carried out using test dynamometer described in the jack pair, repeats step S2, until the test dynamometer
Stable reading, accurate.
The above-mentioned dynamometry calibration method for oleo-gear testing stand can be used for the daily of oleo-gear testing stand
Calibration guarantees the accuracy of oleo-gear testing stand detection.
The dynamometry calibration method further includes being chosen using step S2 to test dynamometer in one of the embodiments,
The step of multiple test points are successively calibrated, to further increase the accuracy to the calibration of oleo-gear testing stand.
The test point has 4~6 in one of the embodiments, is calibrated with guarantee to oleo-gear testing stand
Accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the oleo-gear testing stand calibrating installation of an embodiment.
In attached drawing, parts list represented by the reference numerals are as follows:
1, test dynamometer, 110, pedestal, 120, pillar, 130, crossbeam, 140, connecting column, 200, jack, 300,
Standard force-measuring meter.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.The principle and features of the present invention will be described below with reference to the accompanying drawings, and example is only used
In explaining the present invention, it is not intended to limit the scope of the present invention.It should be noted that when an element is considered as that " connection " is another
One element, it can be directly to another element or may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Incorporated by reference to Fig. 1, the dynamometry calibrating installation for oleo-gear testing stand of an embodiment, oleo-gear examination
Platform is tested with test dynamometer 1, the dynamometry calibrating installation for oleo-gear testing stand includes braced frame, a thousand pieces of gold top
200 and standard force-measuring meter 300.
In the present embodiment, braced frame includes pedestal 110, pillar 120 and crossbeam 130, and pillar 120 is set to pedestal
On 110, crossbeam 130 is set on pillar 120.A thousand pieces of gold top 200 is set to the lower section on pedestal 110 and being located at crossbeam 130, a thousand pieces of gold top
200 for applying active force to test dynamometer 1.Under align mode, test dynamometer 1 is placed on jack 200, standard
Dynamometer 300 is placed on test dynamometer 1 and withstands crossbeam 130, and standard force-measuring meter 300 obtains 200 pairs of tests of jack and uses
The calibration value that dynamometer 1 exerts a force, is calibrated according to reading of the calibration value to test dynamometer 1.
The dynamometry calibrating installation for oleo-gear testing stand of present embodiment passes through braced frame, a thousand pieces of gold top 200
Setting is matched with standard force-measuring meter 300, pressurization and pressure release are carried out to test dynamometer 1 by a thousand pieces of gold top 200, pass through standard
Dynamometer 300 measures calibration value, can be used for the daily calibration of oleo-gear testing stand, to guarantee oleo-gear testing stand
Dynamometry precision, and then guarantee oleo-gear testing stand detection accuracy.
Specifically, in the present embodiment, there are two pillars 120, two pillars 120 are respectively arranged on the both ends of crossbeam 130.
Further, pillar 120 be preferably retractable supports column, such as fluid pressure type retractable supports column or helicitic texture cooperation branch
Dagger etc..In addition, a thousand pieces of gold top 200 preferably uses hydraulic a thousand pieces of gold top or screw jack, convenient for carrying out pressurization and pressure release manually, just
In operation.Preferably, the fixed structure for fixing jack 200, such as wood block, boss, card slot are additionally provided on pedestal 110
Deng the structure convenient for being limited to jack 200.
It further, in the present embodiment, further include being used for for the dynamometry calibrating installation of oleo-gear testing stand
The connecting column 140 that is filled between jack 200 and test dynamometer 1 or between standard pressure gauge 300 and crossbeam 130 or
Backing plate, in order to firm test dynamometer 1 and standard force-measuring meter 300.
Further, in other embodiments, further include for the dynamometry calibrating installation of oleo-gear testing stand
Baffle, baffle are set on crossbeam 130 and extend towards the direction on a thousand pieces of gold top 200, test dynamometer when preventing calibration test
1, standard force-measuring meter 300 and connecting column are fallen, and improve safety.
In addition, in other embodiments, the dynamometry calibrating installation for oleo-gear testing stand further includes for depositing
The container of standard force-measuring meter is put, container is fixedly arranged on crossbeam 130, convenient for the test dynamometry to oleo-gear testing stand
Meter 1 is calibrated, and prevents from losing.
A kind of dynamometry calibration method for oleo-gear testing stand is used for oleo-gear using any of the above-described
The dynamometry calibrating installation of testing stand, calibration method include the following steps:
Test dynamometer 1 is placed on jack 200 by S1, and standard force-measuring meter 300 is placed on test dynamometer 1,
And the top of standard force-measuring meter 300 and the lower surface of crossbeam 130 are inconsistent.
S2 pressurizes to test dynamometer 1 using jack 200, standard force-measuring meter 300 is made to reach preset correction
Value reads the reading of test dynamometer 1, corrected value is compared with the reading of test dynamometer:
If the difference of the two meets error range requirement, show 1 Pass Test requirement of test dynamometer.
If the difference of the two is beyond error range requirement, calibration test dynamometer 1, then by 200 pressure release of jack, uses
Jack 200 carries out repressurization to test dynamometer 1, repeats step S2, until the stable reading of test dynamometer 1,
Accurately.
The above-mentioned dynamometry calibration method for oleo-gear testing stand can be used for the daily of oleo-gear testing stand
Calibration guarantees the accuracy of oleo-gear testing stand detection.
It further include in one of the embodiments, using step S2 for the dynamometry calibration method of oleo-gear testing stand
The step of multiple test points are successively calibrated is chosen to test dynamometer 1, oleo-gear is tested with further increasing
The accuracy of platform calibration.Test point is 5, it is preferable that test point can have 4~6, can be for guarantee to oleo-gear
The accuracy of testing stand calibration.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of dynamometry calibrating installation for oleo-gear testing stand, the oleo-gear testing stand has test survey
Power meter, which is characterized in that the dynamometry calibrating installation for oleo-gear testing stand includes braced frame, a thousand pieces of gold top and mark
Quasi- dynamometer；
The braced frame includes pedestal, pillar and crossbeam, and the pillar is set on the pedestal, and the crossbeam is set to the branch
On column；
A thousand pieces of gold top is set to the lower section on the pedestal and being located at the crossbeam, and described a thousand pieces of gold is very useful in test survey
Power meter applies active force；
Under align mode, the test dynamometer is placed on the jack, and the standard force-measuring meter is placed in the test and uses
On dynamometer, and the top of the standard force-measuring meter and the lower surface of the crossbeam are inconsistent, and the standard force-measuring meter obtains institute
The calibration value for stating the force of test dynamometer described in jack pair, according to the calibration value to the reading of the test dynamometer
It is calibrated.
2. the dynamometry calibrating installation according to claim 1 for oleo-gear testing stand, which is characterized in that the branch
There are two columns, and two pillars are respectively arranged on the both ends of the crossbeam.
3. the dynamometry calibrating installation according to claim 2 for oleo-gear testing stand, which is characterized in that described thousand
Goldentop is hydraulic a thousand pieces of gold top or screw jack.
4. the dynamometry calibrating installation according to any one of claims 1 to 3 for oleo-gear testing stand, feature exist
In the dynamometry calibrating installation for oleo-gear testing stand further includes for being filled in the jack and the test
With the connecting column between dynamometer or between the standard pressure gauge and the crossbeam.
5. the dynamometry calibrating installation according to any one of claims 1 to 3 for oleo-gear testing stand, feature exist
In being additionally provided with the fixed structure for fixing the jack on the pedestal.
6. the dynamometry calibrating installation according to any one of claims 1 to 3 for oleo-gear testing stand, feature exist
In the pillar is retractable supports column.
7. a kind of dynamometry calibration method for oleo-gear testing stand, which is characterized in that any using claim 1 to 6
The dynamometry calibrating installation for oleo-gear testing stand described in, the calibration method include the following steps:
The test dynamometer is placed on the jack by S1, and the standard force-measuring meter is placed in the test dynamometry
On meter, and the top of the standard force-measuring meter and the lower surface of the crossbeam are inconsistent；
S2 is pressurizeed using test dynamometer described in the jack pair, and the standard force-measuring meter is made to reach preset school
Positive value reads the reading of the test dynamometer, and the corrected value is compared with the reading of the test dynamometer:
If the difference of the two meets error range requirement, show the test dynamometer Pass Test requirement；
If the difference of the two calibrates the test dynamometer, then by the jack pressure release, then adopt beyond error range requirement
The test dynamometer described in the jack pair carries out repressurization, repeats step S2, until the test dynamometer
It is stable reading, accurate.
8. the dynamometry calibration method according to claim 7 for oleo-gear testing stand, which is characterized in that the survey
Force calibration method further includes the steps that choosing multiple test points to test dynamometer using step S2 successively calibrates.
9. the dynamometry calibration method according to claim 8 for oleo-gear testing stand, which is characterized in that the inspection
Measuring point has 4~6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179415.4A CN109387325A (en) | 2018-10-10 | 2018-10-10 | Dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179415.4A CN109387325A (en) | 2018-10-10 | 2018-10-10 | Dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand |
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| Publication Number | Publication Date |
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| CN109387325A true CN109387325A (en) | 2019-02-26 |
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| CN201811179415.4A Pending CN109387325A (en) | 2018-10-10 | 2018-10-10 | Dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879393A (en) * | 2020-07-29 | 2020-11-03 | 梧州学院 | Method and system for repairing weighing sensor |
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| CN209214833U (en) * | 2018-10-10 | 2019-08-06 | 襄阳奇竞特机电制造有限责任公司 | Dynamometry calibrating installation for oleo-gear testing stand |
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2018
- 2018-10-10 CN CN201811179415.4A patent/CN109387325A/en active Pending
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| KR19980031692A (en) * | 1996-10-31 | 1998-07-25 | 양재신 | 고정 Fixing jig for absorber performance test |
| RU2506550C1 (en) * | 2012-07-20 | 2014-02-10 | Федеральное государственное унитарное предприятие "Центральный аэрогидродинамический институт имени профессора Н.Е. Жуковского" (ФГУП "ЦАГИ") | Method to calibrate force sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879393A (en) * | 2020-07-29 | 2020-11-03 | 梧州学院 | Method and system for repairing weighing sensor |
| CN111879393B (en) * | 2020-07-29 | 2022-05-31 | 梧州学院 | Method and system for repairing weighing sensor |
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