CN209214833U - Dynamometry calibrating installation for oleo-gear testing stand - Google Patents
Dynamometry calibrating installation for oleo-gear testing stand Download PDFInfo
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- CN209214833U CN209214833U CN201821642050.XU CN201821642050U CN209214833U CN 209214833 U CN209214833 U CN 209214833U CN 201821642050 U CN201821642050 U CN 201821642050U CN 209214833 U CN209214833 U CN 209214833U
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- Prior art keywords
- oleo
- jack
- testing stand
- dynamometry
- gear testing
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- 238000012360 testing method Methods 0.000 title claims abstract description 121
- 238000009434 installation Methods 0.000 title claims abstract description 27
- 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
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 230000003137 locomotive effect Effects 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 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
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000007689 inspection Methods 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
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a kind of dynamometry calibrating installation for oleo-gear testing stand, which includes braced frame, jack and standard force-measuring meter；Braced frame includes pedestal, pillar and crossbeam, and pillar is set on pedestal, and crossbeam is set on pillar；Jack is set to the lower section on pedestal and being located at crossbeam, and jack is used to apply active force to test dynamometer；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 the pressurization and pressure release of jack pair 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 utility model relates to a kind of dynamometry calibrating installations 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.
Utility model content
The utility model for the technical problems in the prior art, provides the dynamometer of a kind of pair of damper testing stand
The dynamometry calibrating installation for oleo-gear testing stand calibrated, to guarantee the test essence of oleo-gear testing stand
Degree.
The technical solution that the utility model solves above-mentioned technical problem is as follows:
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 includes based on braced frame, jack 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；
The jack is set to the lower section on the pedestal and being located at the crossbeam, and the jack is used for 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 utility model are:
The dynamometry calibrating installation for oleo-gear testing stand of the utility model passes through braced frame, a thousand pieces of gold top and mark
Quasi- dynamometer matches setting, obtains by the pressurization and pressure release of jack pair test dynamometer and by standard force-measuring meter
Calibration 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 utility model can also do following improvement.
In one of the embodiments, there are two the pillars, two pillars are respectively arranged on the both ends of the crossbeam.
The jack is hydraulic jack 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 principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.The principles of the present invention and feature are retouched below in conjunction with attached drawing
It states, example is served only for explaining the utility model, is not intended to limit the scope of the utility model.It should be noted that working as
One element is considered as " connection " another 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 are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
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, jack
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.Jack 200 is set to the lower section on pedestal 110 and being located at crossbeam 130, jack
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 jack 200, pass through mark
Quasi- dynamometer 300 measures calibration value, can be used for the daily calibration of oleo-gear testing stand, to guarantee that oleo-gear is tested
The dynamometry precision of platform, and then guarantee the accuracy of oleo-gear testing stand detection.
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, jack 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 are additionally provided on pedestal 110
Slot etc. is convenient for the structure 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 of jack 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, adopts
Repressurization is carried out to test dynamometer 1 with jack 200, repeats step S2, until the reading of test dynamometer 1 is steady
It is fixed, 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.
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 above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
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, jack 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；
The jack is set to the lower section on the pedestal and being located at the crossbeam, and the jack is used for 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
Jin top is hydraulic jack 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 connecting column, and the connecting column is for being filled in institute
It states between jack and the test 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821642050.XU CN209214833U (en) | 2018-10-10 | 2018-10-10 | Dynamometry calibrating installation for oleo-gear testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821642050.XU CN209214833U (en) | 2018-10-10 | 2018-10-10 | Dynamometry calibrating installation for oleo-gear testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209214833U true CN209214833U (en) | 2019-08-06 |
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|---|---|---|---|
| CN201821642050.XU Expired - Fee Related CN209214833U (en) | 2018-10-10 | 2018-10-10 | Dynamometry calibrating installation for oleo-gear testing stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387325A (en) * | 2018-10-10 | 2019-02-26 | 襄阳奇竞特机电制造有限责任公司 | Dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand |
-
2018
- 2018-10-10 CN CN201821642050.XU patent/CN209214833U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387325A (en) * | 2018-10-10 | 2019-02-26 | 襄阳奇竞特机电制造有限责任公司 | Dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 |