CN212567852U - A device for vibration testing and fatigue testing - Google Patents
A device for vibration testing and fatigue testing Download PDFInfo
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- CN212567852U CN212567852U CN202021525509.5U CN202021525509U CN212567852U CN 212567852 U CN212567852 U CN 212567852U CN 202021525509 U CN202021525509 U CN 202021525509U CN 212567852 U CN212567852 U CN 212567852U
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Abstract
The utility model discloses a device for vibration test and fatigue test, including horizontal vibration test structure, perpendicular fatigue test structure and experimental sharing structure, wherein: the horizontal vibration test structure is used for driving the connected test piece to perform vibration test under the driving action of the test sharing structure; the vertical fatigue test structure is used for driving the connected test piece to perform a fatigue test under the driving action of the test shared structure; the test shared structure is used for correspondingly connecting the horizontal vibration test structure or the vertical fatigue test structure when performing a vibration test or a fatigue test; the test shared structure comprises a base, a servo actuator, a turnover shaft and a support base; the right end of the top of the base is provided with a supporting base; the support base is pivoted with a turnover shaft; the upper surface of the turnover shaft is provided with a servo actuator. The utility model discloses can be used for vibration test, can be used for fatigue test again for the performance examination of structure under vibration environment and fatigue environment.
Description
Technical Field
The utility model relates to a vibration test and fatigue test technical field especially relate to a device for vibration test and fatigue test.
Background
The vibration test and the fatigue test are two test methods commonly used in the strength assessment process of the structure, wherein the vibration test is generally realized by a vibration table or a hydraulic table, and the fatigue test is generally realized by a standard fatigue test tension machine or a hydraulic actuator.
When a product needs both vibration test and fatigue test in the whole life cycle examination, a single vibration test device or fatigue test device cannot completely cover the whole test requirement. At present, manufacturers for producing hydraulic tables on the market do not make standard stretching machines, manufacturers for producing the standard stretching machines do not make the hydraulic tables, the use space and range of standard test equipment are limited, different equipment is used for completing vibration tests and fatigue tests, different clamps and mounting methods also need to be designed in the aspects of tool design and product clamping, and implementation difficulty and workload are increased greatly.
Therefore, at present, a device capable of meeting both the vibration test and the fatigue test is urgently needed to be designed, the functions of non-standard equipment are standardized, the utilization rate of the equipment is favorably improved, and the device has important significance for the examination of the structure in the service life cycle.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device for vibration test and fatigue test to the technical defect that prior art exists.
Therefore, the utility model provides a device for vibration test and fatigue test, including horizontal vibration test structure, perpendicular fatigue test structure and experimental sharing structure, wherein:
the horizontal vibration test structure is used for driving the connected test piece to perform vibration test under the driving action of the test sharing structure;
the vertical fatigue test structure is used for driving the connected test piece to perform a fatigue test under the driving action of the test shared structure;
the test shared structure is used for correspondingly connecting the horizontal vibration test structure or the vertical fatigue test structure when a vibration test or a fatigue test is required;
the test shared structure comprises a base, a servo actuator, a turnover shaft and a support base;
the right end of the top of the base is provided with a supporting base;
the support base is pivoted with a turnover shaft;
the servo actuator is fixedly arranged on the upper surface of the turnover shaft.
The horizontal vibration test structure specifically comprises a sliding plate mounting base, a guide bearing, a sliding plate, a ox head and a support flange;
the sliding plate mounting base is mounted at the top of the base through a bolt;
the guide bearing is fixed on the sliding plate mounting base through a bolt;
the sliding plate is arranged on the guide bearing through a bolt;
one end of the ox head is connected with the sliding plate through a bolt, and the other end of the ox head is connected with the servo actuator;
and the top of the sliding plate is used for mounting a test piece.
Wherein, when the vibration test is carried out, the servo actuator is horizontally arranged;
the bottom of the left end of the servo actuator is provided with a supporting flange;
the supporting flange is installed at the top of the base and used for horizontal supporting of the servo actuator.
The vertical fatigue test structure specifically comprises a lower mounting clamp, an upper mounting clamp and a fatigue test frame;
the fatigue test frame is fixedly arranged at the right end of the top of the base;
the supporting base is positioned in the middle of the inner side of the fatigue test frame;
when a fatigue test is carried out, the servo actuator is vertically arranged;
the top of the servo actuator is connected with the bottom of the lower mounting clamp;
the top of the lower mounting clamp is connected with the lower end of the test piece;
the upper end of the test piece is connected with the inner side face of the top of the fatigue test frame through the upper mounting fixture.
By the above the utility model provides a technical scheme is visible, compares with prior art, the utility model provides a device for vibration test and fatigue test, its structural design science can be used for the vibration test, can be used for the fatigue test again, and it is used for the performance examination of structure under vibration environment and fatigue environment.
The utility model discloses a device both can solve the loading problem of structure vibration environment, can accomplish structure fatigue test's examination again.
Through the utility model discloses an use, can be to the functional standardization of nonstandard equipment, improve equipment's utilization ratio greatly, finally realize the purpose of structural vibration test and fatigue test reliability examination.
Drawings
Fig. 1 is a schematic view of a device for vibration testing and fatigue testing provided by the present invention, when implementing a vibration testing function;
fig. 2 is a schematic diagram of the device for vibration test and fatigue test provided by the present invention when implementing the fatigue test function;
in the figure: 1. a base; 2. a sliding plate mounting base; 3. a guide bearing; 4. a slide plate; 5. cattle heads;
6. a support flange; 7. a servo actuator; 8. a hydraulic servo control valve block; 9. a servo valve; 10. an accumulator;
11. a turning shaft; 12. a support base; 13. a turnover mechanism; 14. a rear support plate; 15. a servo vibration controller;
16. a front support plate; 17. a lower mounting fixture; 18. a test piece; 19. installing a clamp; 20. fatigue test frame.
Detailed Description
In order to make the technical means of the present invention easier to understand, the present application will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In addition, it should be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the term "mounted" and the like should be interpreted broadly, and may be, for example, either fixedly mounted or detachably mounted.
The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
Referring to fig. 1 and 2, the utility model provides a device for vibration test and fatigue test, including horizontal vibration test structure, perpendicular fatigue test structure and experimental sharing structure, wherein:
the horizontal vibration test structure is used for driving the connected test piece to perform vibration test under the driving action of the test sharing structure;
the vertical fatigue test structure is used for driving the connected test piece to perform a fatigue test under the driving action of the test shared structure;
the test shared structure is used for correspondingly connecting the horizontal vibration test structure or the vertical fatigue test structure when a vibration test or a fatigue test is required;
the test shared structure comprises a base 1, a servo actuator 7, a turnover shaft 11 and a support base 12;
the right end of the top of the base 1 is provided with a supporting base 12;
a turnover shaft 11 is pivoted (i.e. rotatably connected) on the supporting base 12;
the servo actuator 7 is fixedly arranged on the upper surface of the turnover shaft 11;
and the servo actuator 7 is used for correspondingly connecting the horizontal vibration test structure or the vertical fatigue test structure when vibration test or fatigue test is required.
In the utility model, for the test shared structure, a hydraulic servo control valve block 8 is installed on the servo actuator 7;
a servo valve 9 is arranged on the hydraulic servo control valve block 8;
and the hydraulic servo control valve block 8 is communicated with an external oil source through an energy accumulator 10 and a connecting pipeline.
It should be noted that the hydraulic servo control valve block 8 is installed on the servo actuator 7 and used for oil inlet and oil return of the hydraulic system; the servo valve 9 is arranged on the hydraulic servo control valve block 8 and used for controlling the movement of the servo actuator 7, and the energy accumulator 10 is used for ensuring the stability of the pressure of the oil source and facilitating the accurate control of the servo valve 9. It should be noted that the design of the connection structure of the servo actuator 7, the hydraulic servo control valve block 8, the servo valve 9 and the accumulator 10 is a conventional design in the existing electro-hydraulic servo system, and is a prior known technology, and is not described herein again.
It should be noted that the foundation base 1 is a foundation for the whole horizontal vibration test and fatigue test, and the servo actuator 7 can realize reciprocating motion.
In particular, when the vibration test is carried out, a rear supporting plate 14 is connected to the right rear side of the servo actuator 7;
the bottom of the back support plate 14 is fixed on top of the base chassis 1.
When the vibration test is performed, the rear support plate 14 is used for positioning the servo actuator 7, and prevents the servo actuator 7 from sliding in the horizontal state.
In particular, when a fatigue test is carried out, a front support plate 16 and a rear support plate 14 are respectively connected to the left front side and the right rear side of the servo actuator 7;
the bottom of the front support plate 16 and the rear support plate 14 are fixed on top of the base chassis 1.
It should be noted that the rear support plate 14 and the front support plate 16 are used for positioning the servo actuator 7 to prevent the servo actuator 7 from sliding in a vertical state when a fatigue test is performed.
In the concrete implementation, the servo actuator 7 is also connected with the servo vibration controller 15 through a data line;
and the servo vibration controller 15 is used for controlling loading of vibration tests and fatigue tests.
In the concrete implementation, a turnover mechanism 13 is arranged on the supporting base 12;
It should be noted that, in the utility model discloses in, upset switching of servo actuator 7 between two states of horizontal state and vertical state can be realized to trip shaft 11 under tilting mechanism 13's effect to realize the device and switch over at vibration test and fatigue test's function.
The utility model discloses in, it is required to explain that tilting mechanism 13 comprises turbine worm structure (including a turbine and a worm of intermeshing), and turbine and worm mesh mutually, and trip shaft 11 passes through key interference fit with the centre bore of the turbine of turbine worm structure to be connected, and in external force (spanner or handle) drive worm motion process, the turbine rotates thereupon and drives trip shaft 11 and overturn together. The worm wheel is transversely and vertically distributed, the worm is vertically distributed, and the surface (such as a side surface) of the worm wheel is meshed and connected with the worm to realize meshing transmission; the turning shaft 11 is connected with a central hole of a turbine of the turbine worm structure in an interference fit mode through keys (longitudinally distributed keys), when the worm is driven to move by external force (a wrench or a handle), the turbine rotates along with the turning shaft (on a transverse vertical plane), and the turning shaft is connected with the central hole of the turbine through the keys, so that the turning shaft can rotate along with the rotation of the turbine under the driving of the turbine. It should be noted that the worm gear structure is the prior art, and is not described herein again.
In the utility model, the horizontal vibration test structure comprises a slide plate mounting base 2, a guide bearing 3, a slide plate 4, a ox head 5 and a support flange 6;
the sliding plate mounting base 2 is mounted on the top of the base 1 through bolts;
the guide bearing 3 is fixed on the sliding plate mounting base 2 through a bolt;
the sliding plate 4 is arranged on the guide bearing 3 through a bolt;
one end of the ox head 5 is connected with the sliding plate 4 through a bolt, and the other end of the ox head is connected with the servo actuator 7;
the top of the slide 4 is used for mounting a test piece 18 to be tested.
It should be noted that, guide bearing 3 passes through the bolt to be installed inside 2 tops of slide installation base, and slide 4 passes through the bolt to be installed on guide bearing 3 surfaces, and on the concrete realization, guide bearing 3 has four, and interval distribution can drive slide 4 along the horizontal direction motion at 2 tops of slide installation base.
In particular, when the vibration test is carried out, the servo actuator 7 is horizontally arranged;
the servo actuator 7 is provided with a supporting flange 6 at the bottom of the left end;
a support flange 6 is mounted on top of the base foundation 1 for horizontal support of the servo actuator 7.
It should be noted that, to the utility model discloses, ox head 5 is used for connecting slide 4 and servo actuator 7, support flange 6 are used for supporting servo actuator, prevent that servo actuator from producing the moment of overturning under the action of gravity.
In the utility model, the vertical fatigue test structure comprises a lower mounting clamp 17, an upper mounting clamp 19 and a fatigue test frame 20;
the fatigue test frame 20 is fixedly arranged at the right end of the top of the base seat 1;
a support base 12 located at the middle of the inner side of the fatigue test frame 20;
when a fatigue test is performed, the servo actuator 7 is vertically placed;
the top of the servo actuator 7 is connected (e.g., snapped) to the bottom of the lower mounting fixture 17;
the top of the lower mounting fixture 17, to which the lower end of the test piece 18 is attached (e.g., snapped);
the upper end of the test piece 18 is connected with the inner side surface of the top of the fatigue test frame 20 through an upper mounting clamp 19.
Note that, in the present invention, the front support plate 16 and the rear support plate 14 are used for positioning the servo actuator, and prevent the servo actuator from sliding in a vertical state. The test piece 18 is fixed between the upper mounting fixture 19 and the lower mounting fixture 17, the upper mounting fixture 17 is fixed on the fatigue test frame 20, and the fatigue test frame 20 is fixed on the foundation base 1.
To the utility model discloses, need explain, the utility model discloses a device is at the vibration test during operation, and test system is the horizontality, and test piece 18 is installed on slide 4, and servo vibration controller 15 controls servo actuator 7 and drives slide 4 and press the vibration spectrum vibration of input to realize the vibration test examination of test piece 18.
To the utility model discloses, the utility model discloses a device is at fatigue test during operation, and test system is the vertical state, and test piece 18 is fixed at last mounting fixture 19 and between mounting fixture 17 down, and servo vibration controller 15 controls servo actuator 7 and carries out fatigue test examination to test piece 18.
In order to understand the technical solution of the present invention more clearly, the following description is made in conjunction with the testing process of the present invention.
For the utility model, when the vibration test is carried out, the foundation base 1 is the bearing foundation of the test system in the test process, the slide plate mounting base 2 is mounted on the foundation base through the bolt, the guide bearing 3 is fixed on the slide plate mounting base 2 through the bolt, the slide plate 4 is mounted on the guide bearing 3 through the bolt, one end of the ox head 5 is connected with the slide plate 4 through the bolt, and the other end is connected with the servo actuator 7; the supporting flange 6 is arranged on the base 1 and used for horizontally supporting the servo actuator 7; the hydraulic servo control valve block 8 is arranged on the servo actuator 7 and used for oil inlet and oil return of a hydraulic system; the servo valve 9 is arranged on the hydraulic servo control valve block 8 and is used for controlling the movement of the servo actuator 7; the accumulator 10 is used to ensure the stability of the pressure of the oil source, and is convenient for the precise control of the servo valve.
The turnover shaft 11 is arranged on the support base 12 and used for mounting the servo actuator 7, and the servo actuator 7 can be turned from a vertical state to a horizontal state under the action of the turnover mechanism 13; the rear support plate 14 is used for positioning the servo actuator 7 to prevent the servo actuator from sliding in a horizontal state, and the servo vibration controller 15 is used for controlling loading of a vibration test.
For the utility model, when fatigue test is carried out, the foundation base 1 is a bearing foundation of a test system in the test process, the servo actuator 7 is arranged on the trip shaft 11, and the hydraulic servo control valve block 8 is arranged on the servo actuator 7 and is used for oil inlet and oil return of a hydraulic system; the servo valve 9 is arranged on the hydraulic servo control valve block 8 and is used for controlling the movement of the servo actuator 7; the energy accumulator 10 is used for ensuring the stability of the pressure of the oil source and facilitating the accurate control of the servo valve;
the turnover shaft 11 is arranged on the support base 12 and used for mounting the servo actuator 7, and the servo actuator 7 can be turned over from a horizontal state to a vertical state under the action of the turnover mechanism 13; furthermore, the rear support plate 14 and the front support plate 16 are used for positioning the servo actuators 7, preventing the servo actuators from sliding in the vertical state; the lower mounting clamp 17 is used for connecting the actuator and the test piece 18, the upper mounting clamp 19 is used for connecting the test piece and the fatigue test frame 20, and the servo vibration controller 15 is used for controlling loading of a fatigue test.
To sum up, compare with prior art, the utility model provides a device for vibration test and fatigue test, its structural design science can be used for the vibration test, can be used for the fatigue test again, and it is used for the performance examination of structure under vibration environment and fatigue environment.
The utility model discloses a device both can solve the loading problem of structure vibration environment, can accomplish structure fatigue test's examination again.
Through the utility model discloses an use, can be to the functional standardization of nonstandard equipment, improve equipment's utilization ratio greatly, finally realize the purpose of structural vibration test and fatigue test reliability examination.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021525509.5U CN212567852U (en) | 2020-07-29 | 2020-07-29 | A device for vibration testing and fatigue testing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021525509.5U CN212567852U (en) | 2020-07-29 | 2020-07-29 | A device for vibration testing and fatigue testing |
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| CN212567852U true CN212567852U (en) | 2021-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098023A (en) * | 2020-07-29 | 2020-12-18 | 天津航天瑞莱科技有限公司 | Device for vibration test and fatigue test |
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2020
- 2020-07-29 CN CN202021525509.5U patent/CN212567852U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098023A (en) * | 2020-07-29 | 2020-12-18 | 天津航天瑞莱科技有限公司 | Device for vibration test and fatigue test |
| CN112098023B (en) * | 2020-07-29 | 2024-11-15 | 天津航天瑞莱科技有限公司 | A device for vibration test and fatigue test |
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