CN104359619B - Inside bury hatch door dynamometer check box type balance dynamic calibration apparatus and calibration method - Google Patents
Inside bury hatch door dynamometer check box type balance dynamic calibration apparatus and calibration method Download PDFInfo
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- CN104359619B CN104359619B CN201410722226.2A CN201410722226A CN104359619B CN 104359619 B CN104359619 B CN 104359619B CN 201410722226 A CN201410722226 A CN 201410722226A CN 104359619 B CN104359619 B CN 104359619B
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Abstract
Inside bury hatch door dynamometer check box type balance dynamic calibration apparatus and calibration method.Hatch door dynamometer check is buried at present and all uses box type balance substantially, and static calibration only is carried out to box type balance before experiment, the Static State Index of balance has only been investigated, has not carried out dynamic calibration.Hatch door dynamometer check box type balance dynamic calibration apparatus is buried in one kind, composition includes：Calibrate stage body（1）, lifting unit is housed in the calibration stage body, is mounted at the top of the calibration stage body equipped with calibration pedestal（2）, box type balance is housed on described calibration pedestal, load maintainer, the box type balance are housed on the box type balance（3）, the described calibration pedestal and the loading head three be an entirety, be fixed on calibration stage body by the dowel hole and the installation screw.The present invention is applied to bury the dynamic calibration of hatch door dynamometer check balance in aviation.
Description
Technical field：
The present invention relates to burying hatch door dynamometer check box type balance dynamic calibration apparatus and calibration method in one kind, this device energy
The dynamic step force source for enough generating six direction can be realized to hatch door experiment box type balance 6 DOF unit dynamic calibration experiment.
Background technology：
Hatch door dynamometer check is buried at present and all uses box type balance substantially, and static school only is carried out to box type balance before experiment
Standard has only investigated the Static State Index of balance, does not carry out dynamic calibration.And dynamic calibration refers to as sensor dynamic property is investigated
Most directly effective method cannot grasp each member of box type balance to mark comprehensively not to the sextuple dynamic calibration of box type balance progress
Dynamic performance index, whether the dynamic property of uncertain box type balance meet dynamic hatch door experimental condition requirement.Such situation
If lower box type balance dynamic property is poor, balance working band itself is less than the frequency of tested load signal, necessarily leads to day
Flat dynamic response lag so that the output of balance cannot really reflect the transient state load in the quick motion process of hatch door, cause
Prodigious dynamic error.
Invention content：
The object of the present invention is to provide hatch door dynamometer check box type balance dynamic calibration apparatus and calibration method are buried in one kind.
Above-mentioned purpose is realized by following technical scheme：
Hatch door dynamometer check box type balance dynamic calibration apparatus is buried in one kind, composition includes：Calibrate stage body, the school
Lifting unit is housed, equipped with calibrating pedestal, fill on the calibration pedestal at the top of the described calibration stage body in quasi- stage body
There is a box type balance, load maintainer is housed on the box type balance, the box type balance, the calibration pedestal and described
Loading head three is an entirety, is fixed on calibration stage body by the dowel hole and the installation screw.
Bury hatch door dynamometer check box type balance dynamic calibration apparatus in described, the load maintainer include loading head,
Loading frame and auxiliary pulley frame are respectively arranged fixed pulley on the loading head, loading frame and auxiliary pulley frame, pulley
V slots are for winding load steel wire；Steel wire is connected on the screw of three power member load(ing) points of loading head, by auxiliary pulley frame carry
Counterweight realizes three power member dynamic step calibration tests by way of cutting steel wire manually；Pulley blocks on loading head twine
Around steel wire, steel wire one end is fixed on loading frame, and the other end hangs counterweight by auxiliary pulley frame, by cutting steel wire manually
Mode realize three torque unit dynamic step calibration tests.
Hatch door dynamometer check box type balance dynamic calibration apparatus is buried in described, the elevating mechanism includes spiral lifting
Mechanism, the calibration stage body bottom are equipped with linear grating ruler；The linear grating ruler is connect with decussation roller unit；It is described
Calibration stage body top be machined with one group of dowel hole and installation screw, the calibration stage body by the dowel hole,
The installation screw is fixed to auxiliary pulley frame, loading frame on the calibration stage body.
Hatch door dynamometer check box type balance dynamic calibration apparatus is buried in described, the loading head both ends are equipped with difference
The clump weight of quality, the loading head pass through fixed pulley and the steel wire on the loading frame by steel wire winding
Counterweight forms complete box type balance dynamic calibration apparatus.
A kind of interior calibration method for burying hatch door dynamometer check box type balance dynamic calibration apparatus, upper and lower box pass through
Spiral lifting mechanism, decussation roller unit and linear grating ruler realize that elevating function, calibration stage body adjust high to suitable load
It is fixed after degree；Fixed pulley is respectively arranged on loading head, loading frame and auxiliary pulley frame, the v slots of pulley are for winding load steel
Silk；Steel wire is connected on the screw of three power member load(ing) points of loading head, by auxiliary pulley frame carry counterweight, by cutting manually
The mode of steel wire realizes three power member dynamic step calibration tests；Pulley blocks winding steel wire on loading head, steel wire one end are solid
It is scheduled on loading frame, the other end hangs counterweight by auxiliary pulley frame, and three power are realized by way of cutting steel wire manually
Square unit dynamic step calibration test.
Beneficial effects of the present invention：
1. loading head both ends of the present invention can fix the clump weight of different quality, different hatch door models can be simulated and carry out day
Flat dynamic calibration experiment avoids different hatch doors from testing and replaces different loading heads, and calibration stage body has elevating function, every time
Experiment can be as needed adjusted stage body to suitable height, be conveniently operated and loaded；Calibration platform has enough rigidity,
During dynamic load, interference effect of the platform body structure vibration to calibration result can be reduced.
The present invention be directed to the interior hatch doors that buries to test boxlike balance design, this device good rigidity, interference is small, load is facilitated to grasp
Make, the dynamic step force source of six direction can be generated, device completes box type balance dynamic calibration examination before wind tunnel test whereby
It tests, it can each first dynamic performance index of comprehensive and accurate investigation balance.
The present invention by this device generate six direction dynamic step force source, realize to hatch door box type balance six-dimensional force/
Torque unit dynamic calibration is tested, and investigates the dynamic performance index of box type balance each unit whole comprehensively, also, can be by device
It simulates different hatch door models and carries out balance dynamic calibration test.
The present invention be directed to the interior hatch doors that buries to test boxlike balance design, and device completes boxlike day before wind tunnel test whereby
Be translatable state calibration test, and each first dynamic performance index of comprehensive and accurate investigation balance, also can be finally balance dynamic error correction
Important evidence is provided with compensation.
The present invention can realize the dynamic step calibration test of 3 power members of box type balance and three moment unit whole direction.And
And the load range of dynamic calibration can cover the balance range of wind tunnel test requirement；Balance loading head can realize counterweight and barycenter
It is adjustable, the dynamic calibration experiment that different hatch door models carries out balance can be simulated, avoids different hatch doors from testing replacement different
Loading head, it is possible to reduce experimentation cost, loading frame and auxiliary pulley frame do not occupy laboratory installation site individually, are all fixed on
It calibrates on stage body in plane, it is compact-sized, save space.
Description of the drawings：
Attached drawing 1 is the structural schematic diagram of the present invention.
Attached drawing 2 is that X member dynamic loads show that structure is intended to.
Attached drawing 3 is that Y member dynamic loads show that structure is intended to.
Attached drawing 4 is that Z member dynamic loads show that structure is intended to.
Attached drawing 5 is Mx member dynamic dynamic load structural schematic diagrams.
Attached drawing 6 is My member dynamic dynamic load structural schematic diagrams.
Attached drawing 7 is Mz member dynamic dynamic load structural schematic diagrams.
Specific implementation mode：
Embodiment 1：
Hatch door dynamometer check box type balance dynamic calibration apparatus is buried in one kind, composition includes：Stage body 1 is calibrated, it is described
It calibrates and lifting unit is housed in stage body, equipped with calibrating pedestal 2, be equipped on the calibration pedestal at the top of the calibration stage body
Box type balance 3, is equipped with load maintainer on the box type balance, the box type balance, the calibration pedestal and described
Loading head three is an entirety, is fixed on calibration stage body by the dowel hole and the installation screw.
Embodiment 2：
Hatch door dynamometer check box type balance dynamic calibration apparatus is buried in described in embodiment 1, the load maintainer includes
Loading head 4, loading frame and auxiliary pulley frame are respectively arranged on the loading head, loading frame and auxiliary pulley frame and determine cunning
Wheel, the v slots of pulley are for winding load steel wire；
Steel wire is connected on the screw of three power member load(ing) points of loading head, by auxiliary pulley frame carry counterweight, passes through hand
The dynamic mode for cutting steel wire realizes three power member dynamic step calibration tests；
Pulley blocks winding steel wire on loading head, steel wire one end are fixed on loading frame 5, and the other end is slided by auxiliary
Wheel carrier 7 hangs counterweight 8, and three torque unit dynamic step calibration tests are realized by way of cutting steel wire manually.
Embodiment 3：
Hatch door dynamometer check box type balance dynamic calibration apparatus, the elevating mechanism packet are buried in described in embodiment 1 or 2
Include spiral lifting mechanism 9, the calibration stage body bottom is equipped with linear grating ruler 10；The linear grating ruler and decussation roller
Unit 11 connects；The calibration stage body top is machined with one group of dowel hole and installation screw, and the calibration stage body passes through
The dowel hole, the installation screw and auxiliary pulley frame, loading frame are fixed on the calibration stage body.
Embodiment 4：
Hatch door dynamometer check box type balance dynamic calibration apparatus, the loading head are buried according in described in embodiment 1 or 2
Both ends are equipped with the clump weight 6 of different quality, and the loading head is passed through by steel wire winding to be determined on the loading frame
Pulley forms complete box type balance dynamic calibration apparatus with the steel wire counterweight.
Embodiment 4：
The calibration method of hatch door dynamometer check box type balance dynamic calibration apparatus is buried in described in a kind of embodiment 1-4, it should
Method includes the following steps：Upper and lower box realizes elevating function by spiral lift, decussation roller unit and linear grating ruler,
It calibrates fixed after stage body is adjusted to suitable load height；It is respectively arranged on loading head, loading frame and auxiliary pulley frame and determines cunning
Wheel, the v slots of pulley are for winding load steel wire；Steel wire is connected on the screw of three power member load(ing) points of loading head, by auxiliary
Pulley yoke carry counterweight realizes three power member dynamic step calibration tests by way of cutting steel wire manually；On loading head
Pulley blocks winding steel wire, steel wire one end is fixed on loading frame, and the other end hangs counterweight by auxiliary pulley frame, passes through hand
The dynamic mode for cutting steel wire realizes three torque unit dynamic step calibration tests.
Claims (1)
1. burying hatch door dynamometer check box type balance dynamic calibration apparatus in one kind, composition includes：Stage body is calibrated, it is characterized in that：
Lifting unit is housed, equipped with calibration pedestal, the calibration pedestal at the top of the calibration stage body in the calibration stage body
It is upper that box type balance is housed, load maintainer is housed on the box type balance, the box type balance, the calibration pedestal with plus
Carrier head three is an entirety, is fixed on calibration stage body by dowel hole and installation screw；
The load maintainer includes loading head, loading frame and auxiliary pulley frame, the loading head, loading frame and auxiliary
Fixed pulley is respectively arranged on pulley yoke, the v slots of pulley are for winding load steel wire；
Steel wire is connected on the screw of three power member load(ing) points of loading head, by auxiliary pulley frame carry counterweight, by cutting manually
The mode of disconnected steel wire realizes three power member dynamic step calibration tests；
Pulley blocks winding steel wire on loading head, steel wire one end are fixed on loading frame, and the other end is by auxiliary pulley frame
Counterweight is hung, three torque unit dynamic step calibration tests are realized by way of cutting steel wire manually；
Elevating mechanism includes spiral lifting mechanism, the calibration stage body bottom equipped with linear grating ruler；The linear grating
Ruler is connect with decussation roller unit；The calibration stage body top is machined with one group of dowel hole and installation screw, auxiliary pulley
Frame, loading frame are fixed to by the dowel hole, the installation screw on the calibration stage body；
The loading head both ends are equipped with the clump weight of different quality, and the loading head is passed through described by steel wire winding
Fixed pulley on loading frame forms complete box type balance dynamic calibration apparatus with steel wire counterweight；
The calibration method that hatch door dynamometer check box type balance dynamic calibration apparatus is buried in described is as described below：Stage body is calibrated to adjust
It is fixed after to suitable load height；Fixed pulley, the v slots of pulley are respectively arranged on loading head, loading frame and auxiliary pulley frame
Steel wire is loaded for winding；Steel wire is connected on the screw of three power member load(ing) points of loading head, by auxiliary pulley frame carry weight
Code, realizes three power member dynamic step calibration tests by way of cutting steel wire manually；Pulley blocks winding on loading head
Steel wire, steel wire one end are fixed on loading frame, and the other end hangs counterweight by auxiliary pulley frame, by cutting steel wire manually
Mode realizes three torque unit dynamic step calibration tests.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410722226.2A CN104359619B (en) | 2014-12-03 | 2014-12-03 | Inside bury hatch door dynamometer check box type balance dynamic calibration apparatus and calibration method |
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| CN201410722226.2A CN104359619B (en) | 2014-12-03 | 2014-12-03 | Inside bury hatch door dynamometer check box type balance dynamic calibration apparatus and calibration method |
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| CN104359619B true CN104359619B (en) | 2018-10-23 |
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Families Citing this family (7)
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| CN105092148B (en) * | 2015-09-14 | 2017-08-25 | 江西洪都航空工业集团有限责任公司 | Small force value dynamometer pressure metering device |
| CN105115661B (en) * | 2015-09-14 | 2017-09-08 | 江西洪都航空工业集团有限责任公司 | Small force value dynamometer pulls to power metering device |
| CN105372036B (en) * | 2015-12-17 | 2017-03-22 | 西北工业大学 | Multi freedom balance calibration device and balance calibration method |
| CN111473947B (en) * | 2020-05-07 | 2021-01-15 | 中国科学院力学研究所 | Single-vector dynamic calibration method for pulse wind tunnel force measurement system |
| CN112629813B (en) * | 2021-03-11 | 2021-06-04 | 中国空气动力研究与发展中心低速空气动力研究所 | Wind-tunnel balance load calibration loading head |
| CN113108971A (en) * | 2021-03-16 | 2021-07-13 | 南京航空航天大学 | Box type balance with pretightening force and measuring method |
| CN115574914B (en) * | 2022-09-26 | 2023-04-14 | 中国航空工业集团公司哈尔滨空气动力研究所 | Calibration device and calibration method for low-speed wind tunnel external air bridge balance |
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