CN104266910A - Method and device for loading fatigue test force - Google Patents
Method and device for loading fatigue test force Download PDFInfo
- Publication number
- CN104266910A CN104266910A CN201410554034.5A CN201410554034A CN104266910A CN 104266910 A CN104266910 A CN 104266910A CN 201410554034 A CN201410554034 A CN 201410554034A CN 104266910 A CN104266910 A CN 104266910A
- Authority
- CN
- China
- Prior art keywords
- force
- moment
- hydraulic cylinder
- servo hydraulic
- cross reinforcing
- 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.)
- Granted
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a method and a device for loading a fatigue test force. The method comprises the following steps: applying a composite force to a cross force loading plate through servo hydraulic cylinders so as to load the force of a test piece. The force applying device mainly comprises a loading mechanism comprising the cross force loading plate, the first servo hydraulic cylinder and the second servo hydraulic cylinder, wherein the first servo hydraulic cylinder is fixed to a fixing plate, and the piston rod of the first servo hydraulic cylinder is connected with a force sensor and fixed on the upper end surface of the cross force loading plate; the second servo hydraulic cylinder is fixed on the inner side edge of a fixing frame, and the piston rod of the second servo hydraulic cylinder is connected with a force sensor and fixed on one side of the cross force loading plate. According to the method, the force applied to the upper plane of the cross force loading plate is converted into the bending moment, the torque and the circulating bending moment, so that the composite force is loaded. According to the device, the force of the test piece is loaded through the servo hydraulic cylinders, and the deficiencies in the prior art are overcome as the servo hydraulic cylinders are large in output force, small in volume, high in control precision and relatively high in reliability.
Description
Technical field
The invention belongs to mechanical test technical field, be specifically related to the loading method of torture test power, and adopt the device of the method.
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, circulation moment of flexure etc.
The loading method of common torture test power is equipped with by stepper motor or servomotor or common electric machine the loading that acceleration and deceleration case and auxiliary body carry out realizable force.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 method for above loading force all has some limitations.
Summary of the invention
In order to solve the problems of the technologies described above, the object of the present invention is to provide that a kind of volume is little, control accuracy is high, and the loading method of the higher torture test power of reliability and device thereof.
To achieve these goals, technical solution of the present invention is as follows:
A loading method for torture test power, comprises the following steps:
(1) test specimen is fixedly arranged on the bottom of cross reinforcing dish, applies composite force by servo hydraulic cylinder to cross reinforcing dish, to act on test specimen, the concrete composite force applied comprises:
A. the upper surface of axial force distribution servo hydraulic cylinder to cross reinforcing dish applies tensile force f 4 vertically upward;
B. the longitudinal direction of moment of flexure force servo hydraulic cylinder to the upper surface of cross reinforcing dish applies a pair contrary, equal-sized tensile force f 1 in direction and thrust F1' symmetrically;
C. moment of flexure force servo hydraulic cylinder applies a pair contrary, equal-sized tensile force f 2 in direction and thrust F2' to the lateral symmetry of the upper surface of cross reinforcing dish;
D. moment of torsion force servo hydraulic cylinder applies a pair contrary, equal-sized tensile force f 3 in direction and thrust F3' symmetrically to the transverse direction of cross reinforcing dish or the side of longitudinal direction;
(2) each power be applied in step (1) on cross reinforcing dish acts on test specimen respectively, the axial force that then test specimen bears is F4, the tensile force f 1 that test specimen 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 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 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 are the arm of force of counter stress;
(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 described lissajous figures theorem is oval.
As one of preferred version of the present invention, 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.
As one of preferred version of the present invention, the each power be applied in step (1) on described cross reinforcing dish is responded to by force snesor, force signal is converted to electric signal by described 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, described computer data processing system processes digital signal and calculates, directly to draw the value of F1, M1, M2, M3, M0.
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 invention, 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 installed with the moment of flexure force servo hydraulic cylinder at described cross reinforcing dish four angles place, 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 invention, 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 invention, 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 invention, described web member comprises a spherical linkage.
As one of preferred version of the present invention, 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 invention is at least: the loading method of torture test power of the present invention is converted to moment of flexure, moment of torsion, circulation moment of flexure by the power upper plane of cross reinforcing dish applied, thus achieves the loading of torture test composite force; Power is put on cross reinforcing by servo hydraulic cylinder and coils loading that is upper thus that realize test specimen power by the charger of torture test power of the present invention, due to servo hydraulic cylinder exert oneself greatly, volume is little, control accuracy is high, and reliability is higher, thus overcome the deficiencies in the prior art.
Accompanying drawing explanation
In order to be illustrated more clearly in architectural feature of the present invention and technical essential, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Fig. 1 is the structural representation of the charger of a kind of torture test power disclosed in the embodiment of the present invention;
Fig. 2 is the front view of the charger of a kind of torture test power disclosed in the embodiment of the present invention;
Fig. 3 is the vertical view of the charger of a kind of torture test power disclosed in the embodiment of the present invention;
Fig. 4 is the structural representation of the fixation kit disclosed in the embodiment of the present invention;
The structural representation that Fig. 5 is connected with servo hydraulic cylinder for the web member disclosed in the embodiment of the present invention;
Fig. 6 is the fatigue test system frame diagram disclosed in the embodiment of the present invention;
The loading schematic diagram that Fig. 7 is the composite force disclosed in the embodiment of the present invention.
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. 1-7, a kind of loading method of torture test power, comprises the following steps:
(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 loading method of torture test power of the present invention is converted into moment of flexure, moment of torsion, circulation moment of flexure by the power (being namely applied to the power of cross reinforcing dish 17 upper surfaces and side) plane on cross reinforcing dish 17 applied by known force equation and mechanics principle, thus achieves the loading of torture test power.
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.
The present invention is applied power by servo hydraulic cylinder to cross reinforcing dish 17 thus realizes loading to test specimen 24 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 present invention is also applicable to other similar axial workpiece, and thus the scope of application of the present invention has certain popularity.
Above-mentioned embodiment; be only and technical conceive of the present invention 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 the scope of the invention; every any equivalence done according to Spirit Essence of the present invention changes or modifies, and all should fall within protection scope of the present invention.
Claims (9)
1. the loading method of torture test power, is characterized in that, comprises the following steps:
(1) test specimen is fixedly arranged on the bottom of cross reinforcing dish, applies composite force by servo hydraulic cylinder to cross reinforcing dish, to act on test specimen, the concrete composite force applied comprises:
A. the upper surface of axial force distribution servo hydraulic cylinder to cross reinforcing dish applies tensile force f 4 vertically upward;
B. the longitudinal direction of moment of flexure force servo hydraulic cylinder to the upper surface of cross reinforcing dish applies a pair contrary, equal-sized tensile force f 1 in direction and thrust F1' symmetrically;
C. moment of flexure force servo hydraulic cylinder applies a pair contrary, equal-sized tensile force f 2 in direction and thrust F2' to the lateral symmetry of the upper surface of cross reinforcing dish;
D. moment of torsion force servo hydraulic cylinder applies a pair contrary, equal-sized tensile force f 3 in direction and thrust F3' symmetrically to the transverse direction of cross reinforcing dish or the side of longitudinal direction;
(2) each power be applied in step (1) on cross reinforcing dish acts on test specimen respectively, the axial force that then test specimen bears is F4, the tensile force f 1 that test specimen 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 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 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 are the arm of force of counter stress;
(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 described lissajous figures theorem is oval.
2. the loading method of torture test power according to claim 1, is characterized in that, 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.
3. the loading method of torture test power according to claim 1, it is characterized in that, the each power be applied in step (1) on described cross reinforcing dish is responded to by force snesor, force signal is converted to electric signal by described 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, described computer data processing system processes digital signal and calculates, directly to draw the value of F1, M1, M2, M3, M0.
4. 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.
5. the charger of torture test power according to claim 4, 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 installed with the moment of flexure force servo hydraulic cylinder at described cross reinforcing dish four angles place, and described second servo hydraulic cylinder comprises a pair moment of torsion force servo hydraulic cylinder being fixed on described cross reinforcing dish side.
6. the charger of torture test power according to claim 4, 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.
7. the charger of torture test power according to claim 4, is characterized in that, described fixation kit comprises and is fixedly arranged on bearing in described stationary platform and bearing seat.
8. the charger of torture test power according to claim 4, is characterized in that, described web member comprises a spherical linkage.
9. the charger of torture test power according to claim 4, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554034.5A CN104266910B (en) | 2014-10-17 | 2014-10-17 | Method and device for loading fatigue test force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554034.5A CN104266910B (en) | 2014-10-17 | 2014-10-17 | Method and device for loading fatigue test force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104266910A true CN104266910A (en) | 2015-01-07 |
| CN104266910B CN104266910B (en) | 2017-05-24 |
Family
ID=52158451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410554034.5A Active CN104266910B (en) | 2014-10-17 | 2014-10-17 | Method and device for loading fatigue test force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104266910B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675425A (en) * | 2016-03-10 | 2016-06-15 | 宁波拓普集团股份有限公司 | Abrasion testing tool of spherical hinge |
| CN107314904A (en) * | 2017-08-04 | 2017-11-03 | 广西科技大学 | A kind of subframe fatigue test moment of flexure cancellation element |
| CN107345854A (en) * | 2017-06-13 | 2017-11-14 | 中国航发湖南动力机械研究所 | Decelerator full court slow test mounting and positioning device |
| CN108225693A (en) * | 2017-12-21 | 2018-06-29 | 杭州中德传动设备有限公司 | A kind of rotary decelerator rigidity detection device and its detection method |
| CN111044271A (en) * | 2019-08-02 | 2020-04-21 | 中国海洋石油集团公司 | Hydraulic connector composite load test bed device |
| CN112798437A (en) * | 2020-12-28 | 2021-05-14 | 中国航发沈阳发动机研究所 | Intermediate casing test load loading device |
| CN112880993A (en) * | 2021-01-18 | 2021-06-01 | 中国航发沈阳发动机研究所 | Loading device and method for static force and fatigue test load of main shaft of aircraft engine |
| CN113358487A (en) * | 2021-06-06 | 2021-09-07 | 吉林大学 | Device and method for testing high-temperature low-cycle fatigue performance of rotor blade |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5476280A (en) * | 1977-11-30 | 1979-06-18 | Shimadzu Corp | Material tester |
| CN201926587U (en) * | 2010-11-24 | 2011-08-10 | 大连民族学院 | Loading test device for concrete under proportional loading two-axis pressure |
| CN204086051U (en) * | 2014-10-17 | 2015-01-07 | 苏州东菱振动试验仪器有限公司 | The charger of torture test power |
-
2014
- 2014-10-17 CN CN201410554034.5A patent/CN104266910B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5476280A (en) * | 1977-11-30 | 1979-06-18 | Shimadzu Corp | Material tester |
| CN201926587U (en) * | 2010-11-24 | 2011-08-10 | 大连民族学院 | Loading test device for concrete under proportional loading two-axis pressure |
| CN204086051U (en) * | 2014-10-17 | 2015-01-07 | 苏州东菱振动试验仪器有限公司 | The charger of torture test power |
Non-Patent Citations (2)
| Title |
|---|
| YAO JIANYONG ET AL.: ""Nonlinear Adaptive Robust Force Control of Hydraulic Load Simulator"", 《CHINESE JOURNAL OF AERONAUTICS》 * |
| 梁来雨,李维嘉: ""多维力加载试验台液压系统设计"", 《液压与气动》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675425A (en) * | 2016-03-10 | 2016-06-15 | 宁波拓普集团股份有限公司 | Abrasion testing tool of spherical hinge |
| CN105675425B (en) * | 2016-03-10 | 2018-06-22 | 宁波拓普集团股份有限公司 | A kind of wear test tooling of spherical hinge |
| CN107345854A (en) * | 2017-06-13 | 2017-11-14 | 中国航发湖南动力机械研究所 | Decelerator full court slow test mounting and positioning device |
| CN107345854B (en) * | 2017-06-13 | 2019-10-25 | 中国航发湖南动力机械研究所 | Retarder full court slow test mounting and positioning device |
| CN107314904A (en) * | 2017-08-04 | 2017-11-03 | 广西科技大学 | A kind of subframe fatigue test moment of flexure cancellation element |
| CN108225693A (en) * | 2017-12-21 | 2018-06-29 | 杭州中德传动设备有限公司 | A kind of rotary decelerator rigidity detection device and its detection method |
| CN111044271A (en) * | 2019-08-02 | 2020-04-21 | 中国海洋石油集团公司 | Hydraulic connector composite load test bed device |
| CN112798437A (en) * | 2020-12-28 | 2021-05-14 | 中国航发沈阳发动机研究所 | Intermediate casing test load loading device |
| CN112798437B (en) * | 2020-12-28 | 2024-01-02 | 中国航发沈阳发动机研究所 | Intermediate case test load loading device |
| CN112880993A (en) * | 2021-01-18 | 2021-06-01 | 中国航发沈阳发动机研究所 | Loading device and method for static force and fatigue test load of main shaft of aircraft engine |
| CN113358487A (en) * | 2021-06-06 | 2021-09-07 | 吉林大学 | Device and method for testing high-temperature low-cycle fatigue performance of rotor blade |
| CN113358487B (en) * | 2021-06-06 | 2022-11-04 | 吉林大学重庆研究院 | Device and method for testing high-temperature low-cycle fatigue performance of rotor blade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104266910B (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104266910A (en) | Method and device for loading fatigue test force | |
| CN204086051U (en) | The charger of torture test power | |
| CN101216376B (en) | Four-column type rail vehicle bogie rigidity detection system | |
| CN105606357B (en) | A kind of aircraft test of static strength loading device | |
| CN103616128B (en) | Six-dimension force sensor calibration device and loading unit thereof | |
| CN103969107A (en) | High-pressure servo dynamic true triaxial testing machine | |
| CN108100302B (en) | Experimental excitation device of heart characteristic in helicopter tail-rotor hub | |
| CN103063390B (en) | Hoisting device of horizontal modality test | |
| CN204831774U (en) | Loading device | |
| CN106840725B (en) | A kind of servo mechanism torque loading equipemtn | |
| CN102706739A (en) | Glass four-point bending clamp | |
| CN203798658U (en) | High-voltage servo true three-axis testing machine | |
| CN104006920A (en) | Self-balancing type space six-dimensional force/moment loading device | |
| CN104551838B (en) | A kind of combined type camber of spring compensation device | |
| CN109507013A (en) | Microcomputer controlled electro-hydraulic servo coordinates load test system | |
| CN109323941A (en) | Damper comprehensive test system | |
| CN201653822U (en) | Ultrasonic bending fatigue testing device capable of automatically adjusting sample bearing points | |
| CN212110919U (en) | Concrete axle draws testing arrangement | |
| CN201145641Y (en) | System for detecting four-pillar type rail vehicle steering frame rigidity | |
| CN203811459U (en) | Static load test device for concrete beam | |
| CN204758466U (en) | High temperature water under high pressure or steam environment fine motion abrasion tester | |
| CN107356361B (en) | A kind of measurement method of six-dimensional space power | |
| CN206832591U (en) | A kind of hydraulic tube piece production strength testing device | |
| CN202748225U (en) | Electrodynamic force acting load and load analog device | |
| CN204807401U (en) | Wall body plane extra income tie load force transmission frame device that evenly loads |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |