CN204086051U - The charger of torture test power - Google Patents

The charger of torture test power Download PDF

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Publication number
CN204086051U
CN204086051U CN201420602866.5U CN201420602866U CN204086051U CN 204086051 U CN204086051 U CN 204086051U CN 201420602866 U CN201420602866 U CN 201420602866U CN 204086051 U CN204086051 U CN 204086051U
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China
Prior art keywords
hydraulic cylinder
servo hydraulic
fixed
charger
power
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Withdrawn - After Issue
Application number
CN201420602866.5U
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Chinese (zh)
Inventor
吴国雄
仝宁可
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SUZHOU DONGLING VIBRATION TESTING INSTRUMENT CO Ltd
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SUZHOU DONGLING VIBRATION TESTING INSTRUMENT CO Ltd
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Priority to CN201420602866.5U priority Critical patent/CN204086051U/en
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Abstract

The utility model discloses a kind of charger of torture test power, by servo hydraulic cylinder, composite force is applied to cross reinforcing dish, thus realize the loading of test specimen power; Force application apparatus mainly comprises load maintainer: the afterburning dish of cross, the first servo hydraulic cylinder, the second servo hydraulic cylinder, first servo hydraulic cylinder is fixed on fixed head, its piston rod attachment force sensor, and be fixed on the upper surface of cross reinforcing dish, second servo hydraulic cylinder is fixed on the inner side edge of fixed frame, its piston rod attachment force sensor, and the side being fixed on cross reinforcing dish.Power to be put on cross reinforcing dish thus the loading realized test specimen power by servo hydraulic cylinder by the utility model, due to servo hydraulic cylinder exert oneself greatly, volume is little, control accuracy is high, and reliability is higher, thus overcomes the deficiencies in the prior art.

Description

The charger of torture test power
Technical field
The utility model relates to fatigue test technology scope, particularly relates to a kind of charger of torture test power.
Background technology
Fatigue refers to that material or the structure damage accumulation under alternate load ringing is until the phenomenon of destruction.Fatigue behaviour, according to the load cycle cycle occurred needed for fatigure failure, is divided into low-cycle fatigue (circulation cycle is less than 105), high cycle fatigue (circulation cycle is between 105 to 107) and super high cycle fatigue (circulation cycle is more than 107).
Such as aircraft engine fan shaft is one of vital part of aircraft, and it operates under the condition of high speed, high temperature, stressed complexity, and its quality and performance directly has influence on engine performance, life and reliability.In order to ensure the quality and performance of engine spindle, it operationally must possess enough fatigue strength.Usually, main power is tested to torture test and comprise axial force, moment of torsion, moment of flexure etc.
The loading of common torture test power is by stepper motor or servomotor or common electric machine is equipped with acceleration and deceleration case and auxiliary body realizes.But when moment of torsion loaded value is larger, stepper motor or servomotor usually do not reach requirement of exerting oneself; Adopt common electric machine to be equipped with the mode loading force of acceleration and deceleration case, its whole mechanism volume is comparatively large, control accuracy is lower, and can to realize high Zhou Xunhuan.Thus, the device of above loading force all has some limitations.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide that a kind of volume is little, control accuracy is high, and the charger of the higher torture test power of reliability.
To achieve these goals, technical solutions of the utility model are as follows:
A kind of charger of torture test power, comprise base, guide pillar, stationary platform, power load maintainer, four described guide pillars are fixedly arranged on described base symmetrically, the top ends of those guide pillars is connected on a lamina tecti, the below described guide pillar being positioned at described lamina tecti is also arranged with a fixed head and fixed frame successively, described stationary platform is fixedly arranged on described base, is provided with the fixation kit for fixing test specimen, and described stationary platform is positioned at the centre of those guide pillars;
Described power load maintainer comprises and is positioned at the afterburning dish of cross above described fixation kit, the first servo hydraulic cylinder, the second servo hydraulic cylinder, described first servo hydraulic cylinder is vertically fixed on described fixed head through web member, its piston rod attachment force sensor, and the upper surface of described cross reinforcing dish is fixed on through web member, described second servo hydraulic cylinder is fixed on through web member on the inner side edge of described fixed frame, its piston rod attachment force sensor, and the side being fixed on described cross reinforcing dish through web member.
As one of preferred version of the present utility model, described first servo hydraulic cylinder comprises and one is fixedly arranged on the axial force distribution servo hydraulic cylinder of described cross reinforcing dish upper surface zone line, is positioned at a pair moment of flexure force servo hydraulic cylinder of axial force distribution servo hydraulic cylinder both sides, and described second servo hydraulic cylinder comprises a pair moment of torsion force servo hydraulic cylinder being fixed on described cross reinforcing dish side.
As one of preferred version of the present utility model, this charger also comprises one for regulating the hoisting gear of height of specimen, described hoisting gear comprises two regulators be fixedly arranged on symmetrically on described base, and the piston rod of described regulator is connected mutually with described fixed frame.
As one of preferred version of the present utility model, described fixation kit comprises and is fixedly arranged on bearing in described stationary platform and bearing seat.
As one of preferred version of the present utility model, described web member comprises a spherical linkage.
As one of preferred version of the present utility model, the two ends of described base are installed with side plate respectively, and the top end face of described side plate is connected mutually with described lamina tecti.
Compared with prior art, advantage of the present utility model is at least: by servo hydraulic cylinder, power is put on cross reinforcing dish thus the loading realized test specimen power, due to servo hydraulic cylinder exert oneself greatly, volume is little, control accuracy is high, and reliability is higher, thus overcomes the deficiencies in the prior art.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model architectural feature and technical essential, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Fig. 1 is the structural representation of the charger of a kind of torture test power disclosed in the utility model embodiment;
Fig. 2 is the front view of the charger of a kind of torture test power disclosed in the utility model embodiment;
Fig. 3 is the vertical view of the charger of a kind of torture test power disclosed in the utility model embodiment;
Fig. 4 is the structural representation of the fixation kit disclosed in the utility model embodiment;
The structural representation that Fig. 5 is connected with servo hydraulic cylinder for the web member disclosed in the utility model embodiment;
Fig. 6 is the fatigue test system frame diagram disclosed in the utility model embodiment;
Fig. 7 is the loading schematic diagram of the composite force disclosed in the utility model embodiment.
Description of reference numerals: 11-base, 12-guide pillar, 13-stationary platform, 14-lamina tecti, 15-fixed head, 16-fixed frame, 17-cross reinforcing dish, 181-axial force distribution servo hydraulic cylinder, 182-moment of flexure force servo hydraulic cylinder, 19-moment of torsion force servo hydraulic cylinder, 20-web member, 21-regulator, 22-fixation kit, 23-side plate, 24-test specimen.
Embodiment
Below in conjunction with the accompanying drawing in the present embodiment, carry out specifically, clearly and completely describing to the technical scheme in embodiment.
Shown in Fig. 1-5, a kind of charger of torture test power, comprise base 11, guide pillar 12, stationary platform 13, power load maintainer, four guide pillars 12 are fixedly arranged on base 11 symmetrically, the top ends of those guide pillars 12 is fixedly arranged on a lamina tecti 14, below guide pillar 12 being positioned at lamina tecti 14 is also arranged with a fixed head 15 and fixed frame 16 successively, stationary platform 13 is fixedly arranged on base 11, be provided with for locating and the fixation kit 22 of fixing test specimen 24, and stationary platform 13 is positioned at the centre of those guide pillars 12;
Power load maintainer comprises the cross reinforcing dish the 17, first servo hydraulic cylinder, the second servo hydraulic cylinder that are positioned at above fixation kit 22, first servo hydraulic cylinder is vertically fixed on fixed head 15 through web member 20, its piston rod attachment force sensor, and the upper surface of cross reinforcing dish 17 is fixed on through web member 20, second servo hydraulic cylinder is fixed on the inner side edge of fixed frame 16 through web member 20, its piston rod attachment force sensor, and the side being fixed on cross reinforcing dish 17 through web member 20.The two ends of base 11 are installed with side plate 23 respectively, and the top end face of side plate 23 is connected mutually with lamina tecti 14.
Concrete, shown in Figure 1, the first servo hydraulic cylinder comprises and one is fixedly arranged on the axial force distribution servo hydraulic cylinder 181 of cross reinforcing dish 17 upper surface zone lines, is positioned at a pair moment of flexure force servo hydraulic cylinder 182 of axial force distribution servo hydraulic cylinder 181 both sides.Second servo hydraulic cylinder comprises the moment of torsion force servo hydraulic cylinder 19 being located at cross reinforcing dish 17 sides for a pair.Wherein, axial force is loaded by axial force distribution servo hydraulic cylinder 181 and realizes, and loading force is pulling force; Two rightabout pulling force that moment of flexure is loaded by a pair moment of flexure force servo hydraulic cylinder 182 and thrust realize, and load(ing) point also can adjust according to actual needs.Two rightabout pulling force that moment of torsion is loaded by a pair moment of torsion force servo hydraulic cylinder 19 and thrust realize.
This charger also comprises one for regulating the hoisting gear of test specimen 24 height, preferably, hoisting gear comprises the regulator 21 that two are fixedly arranged on fixed frame 16 bottom symmetrically, when the piston rod of regulator 21 extends, fixed frame 16 moves upward, so the shorter fan shaft originally placed can be taken off, change longer fan shaft.Otherwise applicable equally, so, by hoisting gear, this device can be adapted to the fan shaft of different length.
Shown in Figure 4, fixation kit 22 comprises and is fixedly arranged on bearing in stationary platform 13 and bearing seat.When fixation kit 22 can ensure to apply power on cross reinforcing dish 17, fan shaft there will not be the phenomenon of rocking.
Shown in Figure 5, the two ends of all servo hydraulic cylinders are all connected with web member 20, and web member 20 is a spherical linkage, in order to compensation torque and moment test deflection angle.
Shown in Figure 1, be provided with axle sleeve in fixed head 15 and fixed frame 16, guide pillar 12 is arranged in axle sleeve, is convenient to guiding.
The charger of this composite force, also need in use to be connected with known mechanism and system, concrete fatigue test system frame diagram as shown in Figure 6, servo hydraulic cylinder is connected with hydraulic power unit with hydraulic efficiency servo-valve successively, force snesor is connected with computer data processing system with acquisition control system successively, and acquisition control system is also connected with hydraulic efficiency servo-valve.
Principle of work of the present utility model is as follows:
(1) test specimen 24 is fixedly arranged on the bottom of cross reinforcing dish 17, by servo hydraulic cylinder, composite force is applied, to act on test specimen 24(aircraft engine fan shaft to cross reinforcing dish 17) on, the concrete composite force applied comprises:
A. the upper surface of axial force distribution servo hydraulic cylinder 181 pairs of cross reinforcing dishes 17 applies tensile force f 4 vertically upward;
B. the longitudinal direction of the upper surface of moment of flexure force servo hydraulic cylinder 182 pairs of cross reinforcing dishes 17 applies a pair contrary, equal-sized tensile force f 1 in direction and thrust F1' symmetrically;
C. the lateral symmetry ground of the upper surface of moment of flexure force servo hydraulic cylinder 182 pairs of cross reinforcing dishes 17 applies a pair contrary, equal-sized tensile force f 2 in direction and thrust F2';
D. moment of torsion force servo hydraulic cylinder 19 pairs of cross reinforcing dish transverse directions of 17 or the side of longitudinal direction apply a pair contrary, equal-sized tensile force f 3 in direction and thrust F3' symmetrically, for the loading schematic diagram of composite force as shown in Figure 7, the side of the longitudinal direction of moment of torsion force servo hydraulic cylinder 19 pairs of cross reinforcing dishes 17 applies a pair contrary, equal-sized tensile force f 3 in direction and thrust F3' symmetrically;
(2) each power be applied in step (1) on cross reinforcing dish 17 acts on test specimen 24 respectively, the axial force that then test specimen 24 bears is F4, the tensile force f 1 that test specimen 24 bears and thrust F1' push away a form of drawing with one and form moment M 1, M1=F1*L1, or M1=F1'*L1, the tensile force f 2 that test specimen 24 bears and thrust F2' push away a form of drawing with one and form moment M 2, M2=F2*L2, or M2=F2'*L2, the tensile force f 3 that test specimen 24 bears and thrust F3' push away a form of drawing with one and form moment of torsion M3, M3=F3*L3, wherein, L1, L2, L3 is the arm of force of counter stress, the loading schematic diagram of composite force as shown in Figure 7, L3=L1, then M3=F3*L1,
(3) moment M 1 becomes 90 degree of intersections with the direction of moment M 2, moment M 1 is sinusoidal variations moment of flexure, M2 is varies with cosine moment of flexure, when moment M 1 and moment M 2 apply simultaneously, and when frequency is identical, according to lissajous figures theorem, orthogonal two harmonic signals of direction of motion can the movement locus of synthesizing stable, and its movement locus is oval, then the movement locus that moment M 1 and moment M 2 can synthesize circulation moment M 0, M0 according to lissajous figures theorem is oval.
When the amplitude of M1 and M2 is equal, the movement locus of M0 is circular, and namely the amplitude of M0 equals the amplitude of M1 and M2.
The each power be applied in step (1) on cross reinforcing dish 17 is responded to by force snesor, force signal is converted to electric signal by force snesor, and by electrical signal transfer to being attached thereto the acquisition control system connect, acquisition control system converts the electrical signal to digital signal, and pass to the computer data processing system be attached thereto, computer data processing system processes digital signal and calculates, directly to draw the value of F1, M1, M2, M3, M0.
The utility model realizes loading to test specimen power by servo hydraulic cylinder to cross reinforcing dish applying power, due to servo hydraulic cylinder exert oneself greatly, volume is little, control accuracy is high, and reliability is higher, thus overcomes the deficiencies in the prior art.In addition, the utility model is also applicable to other similar axial workpiece, and thus the scope of application of the present utility model has certain popularity.
Above-mentioned embodiment; be only and technical conceive of the present utility model and architectural feature are described; object is to allow the stakeholder being familiar with technique implement according to this; but above said content does not limit protection domain of the present utility model; every any equivalence done according to Spirit Essence of the present utility model changes or modifies, and all should fall within protection domain of the present utility model.

Claims (6)

1. the charger of a torture test power, it is characterized in that, comprise base, guide pillar, stationary platform, power load maintainer, four described guide pillars are fixedly arranged on described base symmetrically, the top ends of those guide pillars is connected on a lamina tecti, and the below described guide pillar being positioned at described lamina tecti is also arranged with a fixed head and fixed frame successively, and described stationary platform is fixedly arranged on described base, be provided with the fixation kit for fixing test specimen, and described stationary platform is positioned at the centre of those guide pillars;
Described power load maintainer comprises and is positioned at the afterburning dish of cross above described fixation kit, the first servo hydraulic cylinder, the second servo hydraulic cylinder, described first servo hydraulic cylinder is vertically fixed on described fixed head through web member, its piston rod attachment force sensor, and the upper surface of described cross reinforcing dish is fixed on through web member, described second servo hydraulic cylinder is fixed on through web member on the inner side edge of described fixed frame, its piston rod attachment force sensor, and the side being fixed on described cross reinforcing dish through web member.
2. the charger of torture test power according to claim 1, it is characterized in that, described first servo hydraulic cylinder comprises and one is fixedly arranged on the axial force distribution servo hydraulic cylinder of described cross reinforcing dish upper surface zone line, is positioned at a pair moment of flexure force servo hydraulic cylinder of axial force distribution servo hydraulic cylinder both sides, and described second servo hydraulic cylinder comprises a pair moment of torsion force servo hydraulic cylinder being fixed on described cross reinforcing dish side.
3. the charger of torture test power according to claim 1, it is characterized in that, this charger also comprises one for regulating the hoisting gear of height of specimen, described hoisting gear comprises two regulators be fixedly arranged on symmetrically on described base, and the piston rod of described regulator is connected mutually with described fixed frame.
4. the charger of torture test power according to claim 1, is characterized in that, described fixation kit comprises and is fixedly arranged on bearing in described stationary platform and bearing seat.
5. the charger of torture test power according to claim 1, is characterized in that, described web member comprises a spherical linkage.
6. the charger of torture test power according to claim 1, is characterized in that, the two ends of described base are installed with side plate respectively, and the top end face of described side plate is connected mutually with described lamina tecti.
CN201420602866.5U 2014-10-17 2014-10-17 The charger of torture test power Withdrawn - After Issue CN204086051U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104266910A (en) * 2014-10-17 2015-01-07 苏州东菱振动试验仪器有限公司 Method and device for loading fatigue test force
CN105352732A (en) * 2015-12-08 2016-02-24 中国飞机强度研究所 Aeroengine fan shaft composite static force and fatigue tester
CN106053272A (en) * 2016-08-16 2016-10-26 苏州东菱振动试验仪器有限公司 Broadband fatigue testing machine
CN106124295A (en) * 2016-06-24 2016-11-16 潘荣琼 A kind of durable charger for rigidity test and using method thereof
CN109060321A (en) * 2018-06-11 2018-12-21 哈尔滨工程大学 A kind of flexible body fatigue property test platform

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104266910A (en) * 2014-10-17 2015-01-07 苏州东菱振动试验仪器有限公司 Method and device for loading fatigue test force
CN105352732A (en) * 2015-12-08 2016-02-24 中国飞机强度研究所 Aeroengine fan shaft composite static force and fatigue tester
CN105352732B (en) * 2015-12-08 2018-11-13 中国飞机强度研究所 A kind of compound static(al) and fatigue tester of aerial engine fan axis
CN106124295A (en) * 2016-06-24 2016-11-16 潘荣琼 A kind of durable charger for rigidity test and using method thereof
CN106053272A (en) * 2016-08-16 2016-10-26 苏州东菱振动试验仪器有限公司 Broadband fatigue testing machine
CN109060321A (en) * 2018-06-11 2018-12-21 哈尔滨工程大学 A kind of flexible body fatigue property test platform

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Loading device for fatigue test force

Effective date of registration: 20151105

Granted publication date: 20150107

Pledgee: China Everbright Bank Suzhou branch

Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd.

Registration number: 2015320010012

Denomination of utility model: Loading device for fatigue test force

Effective date of registration: 20151105

Granted publication date: 20150107

Pledgee: China Everbright Bank Suzhou branch

Pledgor: Suzhou Dongling Vibration Testing Instrument Co., Ltd.

Registration number: 2015320010012

PLDC "enforcement, change and cancellation of contracts on pledge of patent right or utility model"
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20170112

Granted publication date: 20150107

Pledgee: China Everbright Bank Suzhou branch

Pledgor: Suzhou Dongling Vibration Test Instrument Co., Ltd.

Registration number: 2015320010012

Date of cancellation: 20170112

Granted publication date: 20150107

Pledgee: China Everbright Bank Suzhou branch

Pledgor: Suzhou Dongling Vibration Test Instrument Co., Ltd.

Registration number: 2015320010012

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Loading device for fatigue test force

Effective date of registration: 20170119

Granted publication date: 20150107

Pledgee: China Everbright Bank Suzhou branch

Pledgor: Suzhou Dongling Vibration Test Instrument Co., Ltd.

Registration number: 2017320010004

Denomination of utility model: Loading device for fatigue test force

Effective date of registration: 20170119

Granted publication date: 20150107

Pledgee: China Everbright Bank Suzhou branch

Pledgor: Suzhou Dongling Vibration Test Instrument Co., Ltd.

Registration number: 2017320010004

PLDC "enforcement, change and cancellation of contracts on pledge of patent right or utility model"
AV01 Patent right actively abandoned

Granted publication date: 20150107

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Granted publication date: 20150107

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AV01 Patent right actively abandoned

Granted publication date: 20150107

Effective date of abandoning: 20170524

Granted publication date: 20150107

Effective date of abandoning: 20170524

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20201214

Granted publication date: 20150107

Pledgee: China Everbright Bank Co.,Ltd. Suzhou Branch

Pledgor: SUZHOU DONGLING VIBRATION TEST INSTRUMENT Co.,Ltd.

Registration number: 2017320010004