CN104359619A - Dynamic calibration device and method for box-type balance for embedded cabin door force measurement test - Google Patents

Dynamic calibration device and method for box-type balance for embedded cabin door force measurement test Download PDF

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Publication number
CN104359619A
CN104359619A CN201410722226.2A CN201410722226A CN104359619A CN 104359619 A CN104359619 A CN 104359619A CN 201410722226 A CN201410722226 A CN 201410722226A CN 104359619 A CN104359619 A CN 104359619A
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calibration
loading
steel wire
type balance
frame
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CN201410722226.2A
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CN104359619B (en
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张洋
赵长辉
李小刚
赵晓光
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AVIC Shenyang Aerodynamics Research Institute
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AVIC Shenyang Aerodynamics Research Institute
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Abstract

The invention discloses a dynamic calibration device and method for a box-type balance for an embedded cabin door force measurement test. At present, the box-type balance is adopted in most of embedded cabin door force measurement tests, only the box-type balance needs to be statically calibrated before a test, only the static index of the balance is inspected, and no dynamic calibration is carried out. The dynamic calibration device for the box-type balance for the embedded cabin door force measurement test comprises a calibration console body (1), wherein the calibration console body is internally provided with a lifting unit; the top of the calibration console body is provided with a calibration base (2); the calibration base is provided with the box-type balance on which a loading mechanism is arranged; and the box-type balance (3), the calibration base and a loading head are integrated, and are fixedly arranged on the calibration console body through a locating pin hole and a mounting screw hole. The dynamic calibration device and method are applied to dynamic calibration of aviation embedded cabin door force measurement test balances.

Description

Inside bury hatch door dynamometer check box type balance dynamic calibration apparatus and calibration steps
technical field:
the present invention relates in one and bury hatch door dynamometer check box type balance dynamic calibration apparatus and calibration steps, this device can produce the dynamic step force source of six direction, can realize the sextuple unit dynamic calibration test of hatch door test box type balance.
background technology:
bury hatch door dynamometer check at present and substantially all adopt box type balance, only static calibration is carried out to box type balance before test, only investigated the Static State Index of balance, do not carried out dynamic calibration.And dynamic calibration is as investigation sensor dynamic performance index the most effective way, sextuple dynamic calibration is not carried out to box type balance, just can not grasp the dynamic performance index of each unit of box type balance, whether the dynamic property of uncertain box type balance meets dynamic hatch door Test Condition Requirements comprehensively.If box type balance dynamic property is poor in such cases, the working band of balance own is lower than the frequency of tested load signal, the dynamic response of balance must be caused delayed, the output of balance truly can not be reflected and transient state load in hatch door rapid movement process cause very large dynamic error.
summary of the invention:
the object of this invention is to provide in one and bury hatch door dynamometer check box type balance dynamic calibration apparatus and calibration steps.
above-mentioned object is realized by following technical scheme:
hatch door dynamometer check box type balance dynamic calibration apparatus is buried in one, its composition comprises: calibration stage body, in described calibration stage body, lifting unit is housed, be arranged on described calibration stage body top calibration base to be housed, described calibration base is equipped with box type balance, described box type balance is equipped with load maintainer, described box type balance, described calibration base and described loading head three are as a whole, are fixed on calibration stage body by described dowel hole and described installation screw.
hatch door dynamometer check box type balance dynamic calibration apparatus is buried in described, described load maintainer comprises loading head, loading frame and auxiliary pulley frame, described loading head, loading frame and auxiliary pulley frame arrange fixed pulley respectively, and the v groove of pulley is for being wound around loading steel wire; The screw of loading head three power unit load(ing) points connects steel wire, and by auxiliary pulley frame carry counterweight, the mode of manually cutting off steel wire realizes the dynamically step calibration test of three power units; Pulley blocks winding steel wire on loading head, steel wire one end is fixed on loading frame, and the other end hangs counterweight by auxiliary pulley frame, and the mode of manually cutting off steel wire realizes three dynamic step calibration tests of moment unit.
bury hatch door dynamometer check box type balance dynamic calibration apparatus in described, described elevating mechanism comprises bottom spiral lifting mechanism, described calibration stage body linear grating chi is housed; Described linear grating chi is connected with decussation roller unit; Described calibration stage body top is processed with one group of dowel hole and installation screw, and described calibration stage body is fixed on described calibration stage body by described dowel hole, described installation screw and auxiliary pulley frame, loading frame.
hatch door dynamometer check box type balance dynamic calibration apparatus is buried in described, described loading head two ends are provided with the balancing weight of different quality, and described loading head forms complete box type balance dynamic calibration apparatus by steel wire winding through the fixed pulley on described loading frame and described steel wire counterweight.
bury a calibration steps for hatch door dynamometer check box type balance dynamic calibration apparatus in described, upper lower box realizes elevating function by spiral lifting mechanism, decussation roller unit and linear grating chi, and calibration stage body is fixing after being adjusted to suitable loading height; Loading head, loading frame and auxiliary pulley frame arrange fixed pulley respectively, and the v groove of pulley is for being wound around loading steel wire; The screw of loading head three power unit load(ing) points connects steel wire, and by auxiliary pulley frame carry counterweight, the mode of manually cutting off steel wire realizes the dynamically step calibration test of three power units; Pulley blocks winding steel wire on loading head, steel wire one end is fixed on loading frame, and the other end hangs counterweight by auxiliary pulley frame, and the mode of manually cutting off steel wire realizes three dynamic step calibration tests of moment unit.
beneficial effect of the present invention:
1. the balancing weight of different quality can be fixed in loading head two ends of the present invention, the dynamic calibration test that different hatch door models carries out balance can be simulated, different hatch door tests is avoided to change different loading heads, calibration stage body possesses elevating function, each test can be adjusted to suitable height stage body as required, handled easily and loading; Calibration platform possesses enough rigidity, in dynamic load process, can reduce the disturbing effect of platform body structure vibration to calibration result.
hatch door test boxlike balance design is buried in the present invention be directed to, this device good rigidity, disturb little, facilitate load operation, the dynamic step force source of six direction can be produced, device completes box type balance dynamic calibration test before wind tunnel test whereby, can each first dynamic performance index of comprehensive and accurate investigation balance.
the present invention produces the dynamic step force source of six direction by this device, realize hatch door box type balance six-dimensional force/moment unit dynamic calibration test, the dynamic performance index that each unit of comprehensive investigation box type balance is whole, further, the dynamic calibration test of balance can be carried out by the hatch door model that unit simulation is different.
hatch door test boxlike balance design is buried in the present invention be directed to, device completes box type balance dynamic calibration test before wind tunnel test whereby, the each first dynamic performance index of comprehensive and accurate investigation balance, finally also can provide important evidence for balance dynamic error correction and compensation.
the present invention can realize the dynamic step calibration test in box type balance 3 power units and the whole direction of three moment unit.And the load range of dynamic calibration can cover the balance range that wind tunnel test requires; Balance loading head can realize counterweight and barycenter is adjustable, the dynamic calibration test that different hatch door models carries out balance can be simulated, different hatch door tests is avoided to change different loading heads, experimentation cost can be reduced, loading frame and auxiliary pulley frame do not take separately installation site, laboratory, all be fixed on calibration stage body in plane, compact conformation, saves space.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present invention.
accompanying drawing 2 is that X unit dynamic load shows that structure is intended to.
accompanying drawing 3 is that Y unit dynamic load shows that structure is intended to.
accompanying drawing 4 is that Z unit dynamic load shows that structure is intended to.
accompanying drawing 5 is Mx unit dynamically dynamic load structural representations.
accompanying drawing 6 is My unit dynamically dynamic load structural representations.
accompanying drawing 7 is Mz unit dynamically dynamic load structural representations.
embodiment:
embodiment 1:
hatch door dynamometer check box type balance dynamic calibration apparatus is buried in one, its composition comprises: calibration stage body 1, in described calibration stage body, lifting unit is housed, be equipped with at described calibration stage body top on calibration base 2, described calibration base and box type balance 3 is housed, described box type balance is equipped with load maintainer, described box type balance, described calibration base and described loading head three are as a whole, are fixed on calibration stage body by described dowel hole and described installation screw.
embodiment 2:
hatch door dynamometer check box type balance dynamic calibration apparatus is buried in described in embodiment 1, described load maintainer comprises loading head 4, loading frame and auxiliary pulley frame, described loading head, loading frame and auxiliary pulley frame arrange fixed pulley respectively, and the v groove of pulley is for being wound around loading steel wire;
the screw of loading head three power unit load(ing) points connects steel wire, and by auxiliary pulley frame carry counterweight, the mode of manually cutting off steel wire realizes the dynamically step calibration test of three power units;
pulley blocks winding steel wire on loading head, steel wire one end is fixed on loading frame 5, and the other end hangs counterweight 8 by auxiliary pulley frame 7, and the mode of manually cutting off steel wire realizes three dynamic step calibration tests of moment unit.
embodiment 3:
bury hatch door dynamometer check box type balance dynamic calibration apparatus in described in embodiment 1 or 2, described elevating mechanism comprises bottom spiral lifting mechanism 9, described calibration stage body linear grating chi 10 is housed; Described linear grating chi is connected with decussation roller unit 11; Described calibration stage body top is processed with one group of dowel hole and installation screw, and described calibration stage body is fixed on described calibration stage body by described dowel hole, described installation screw and auxiliary pulley frame, loading frame.
embodiment 4:
hatch door dynamometer check box type balance dynamic calibration apparatus is buried according to embodiment 1 or 2, described loading head two ends are provided with the balancing weight 6 of different quality, and described loading head forms complete box type balance dynamic calibration apparatus by steel wire winding through the fixed pulley on described loading frame and described steel wire counterweight.
embodiment 4:
the calibration steps of hatch door dynamometer check box type balance dynamic calibration apparatus is buried in described in a kind of embodiment 1-4, the method comprises the steps: that lower box realizes elevating function by spiral lift, decussation roller unit and linear grating chi, and calibration stage body is fixing after being adjusted to suitable loading height; Loading head, loading frame and auxiliary pulley frame arrange fixed pulley respectively, and the v groove of pulley is for being wound around loading steel wire; The screw of loading head three power unit load(ing) points connects steel wire, and by auxiliary pulley frame carry counterweight, the mode of manually cutting off steel wire realizes the dynamically step calibration test of three power units; Pulley blocks winding steel wire on loading head, steel wire one end is fixed on loading frame, and the other end hangs counterweight by auxiliary pulley frame, and the mode of manually cutting off steel wire realizes three dynamic step calibration tests of moment unit.

Claims (5)

1. bury hatch door dynamometer check box type balance dynamic calibration apparatus in one kind, its composition comprises: calibration stage body, it is characterized in that: in described calibration stage body, lifting unit is housed, be equipped with at described calibration stage body top on calibration base, described calibration base and box type balance is housed, described box type balance is equipped with load maintainer, described box type balance, described calibration base and described loading head three are as a whole, are fixed on calibration stage body by described dowel hole and described installation screw.
2. according to claim 1, bury hatch door dynamometer check box type balance dynamic calibration apparatus, it is characterized in that: described load maintainer comprises loading head, loading frame and auxiliary pulley frame, described loading head, loading frame and auxiliary pulley frame arrange fixed pulley respectively, and the v groove of pulley is for being wound around loading steel wire; The screw of loading head three power unit load(ing) points connects steel wire, and by auxiliary pulley frame carry counterweight, the mode of manually cutting off steel wire realizes the dynamically step calibration test of three power units; Pulley blocks winding steel wire on loading head, steel wire one end is fixed on loading frame, and the other end hangs counterweight by auxiliary pulley frame, and the mode of manually cutting off steel wire realizes three dynamic step calibration tests of moment unit.
3. bury hatch door dynamometer check box type balance dynamic calibration apparatus according to claim 1 and 2, it is characterized in that: described elevating mechanism comprises bottom spiral lifting mechanism, described calibration stage body linear grating chi is housed; Described linear grating chi is connected with decussation roller unit; Described calibration stage body top is processed with one group of dowel hole and installation screw, and described calibration stage body is fixed on described calibration stage body by described dowel hole, described installation screw and auxiliary pulley frame, loading frame.
4. according to claim 2, bury hatch door dynamometer check box type balance dynamic calibration apparatus, it is characterized in that: described loading head two ends are provided with the balancing weight of different quality, described loading head forms complete box type balance dynamic calibration apparatus by steel wire winding through the fixed pulley on described loading frame and described steel wire counterweight.
5. in described in a claim 1-4, bury the calibration steps of hatch door dynamometer check box type balance dynamic calibration apparatus, it is characterized in that: upper lower box realizes elevating function by spiral lifting mechanism, decussation roller unit and linear grating chi, calibration stage body is fixing after being adjusted to suitable loading height; Loading head, loading frame and auxiliary pulley frame arrange fixed pulley respectively, and the v groove of pulley is for being wound around loading steel wire; The screw of loading head three power unit load(ing) points connects steel wire, and by auxiliary pulley frame carry counterweight, the mode of manually cutting off steel wire realizes the dynamically step calibration test of three power units; Pulley blocks winding steel wire on loading head, steel wire one end is fixed on loading frame, and the other end hangs counterweight by auxiliary pulley frame, and the mode of manually cutting off steel wire realizes three dynamic step calibration tests of moment unit.
CN201410722226.2A 2014-12-03 2014-12-03 Inside bury hatch door dynamometer check box type balance dynamic calibration apparatus and calibration method Active CN104359619B (en)

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CN105092148A (en) * 2015-09-14 2015-11-25 江西洪都航空工业集团有限责任公司 Micro-force value dynamometer compression metering device
CN105115661A (en) * 2015-09-14 2015-12-02 江西洪都航空工业集团有限责任公司 Pulling force metering device for micro-force value measuring instrument
CN105372036A (en) * 2015-12-17 2016-03-02 西北工业大学 Multi freedom balance calibration device and balance calibration method
CN111473947A (en) * 2020-05-07 2020-07-31 中国科学院力学研究所 Single-vector dynamic calibration method for pulse wind tunnel force measurement system
CN112629813A (en) * 2021-03-11 2021-04-09 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

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Publication number Priority date Publication date Assignee Title
CN105092148A (en) * 2015-09-14 2015-11-25 江西洪都航空工业集团有限责任公司 Micro-force value dynamometer compression metering device
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CN105372036A (en) * 2015-12-17 2016-03-02 西北工业大学 Multi freedom balance calibration device and balance calibration method
CN111473947A (en) * 2020-05-07 2020-07-31 中国科学院力学研究所 Single-vector dynamic calibration method for pulse wind tunnel force measurement system
CN112629813A (en) * 2021-03-11 2021-04-09 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
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

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