CN111551333A - Composite test device capable of loading tension or pressure and vibration - Google Patents
Composite test device capable of loading tension or pressure and vibration Download PDFInfo
- Publication number
- CN111551333A CN111551333A CN202010536375.5A CN202010536375A CN111551333A CN 111551333 A CN111551333 A CN 111551333A CN 202010536375 A CN202010536375 A CN 202010536375A CN 111551333 A CN111551333 A CN 111551333A
- Authority
- CN
- China
- Prior art keywords
- pressure
- tension
- vibration
- test piece
- base
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a composite test device capable of loading tension or pressure and vibration, which comprises a base, a tension/pressure excitation device and a vibration excitation device, wherein the tension/pressure excitation device is arranged on the base and is used for connecting a test piece, and the vibration excitation device is used for providing a vibration excitation source for the test piece; the tensile force/pressure excitation device is composed of a power device and two connecting mechanisms, the power device is provided with one connecting mechanism which is fixedly arranged at one end of the base, one connecting mechanism is in transmission connection with the power device, the other connecting mechanism is arranged at the other end, corresponding to the power device, of the base, the two connecting mechanisms are mutually symmetrical, and the test piece is rigidly connected between the two connecting mechanisms. The composite test device capable of loading tension or pressure and vibration can load tension or pressure and vibration stress at the same time, can simulate the actual use condition of a product containing pre-tightening tension or pressure in a vibration environment more truly, increases the environment simulation capability of the product, and has stronger function.
Description
Technical Field
The invention relates to the field of vibration tests, in particular to a combined type test device capable of loading tension or pressure and vibration.
Background
The vibration test device simulates the vibration environment stress of a product in the manufacturing, transporting and using processes so as to evaluate the capability of the product in enduring the vibration environment, and is mainly suitable for the industries of aviation, aerospace, military industry, electronics and the like.
The real working environment of some products can not only be influenced by the stress of the vibration environment, but also be influenced by the pre-applied tension or pressure, at the moment, the simple vibration test environment of the traditional vibration table can not simulate the required actual working environment, and the actual use condition of the products can not be predicted.
Disclosure of Invention
The invention aims to solve the technical problem of providing a combined type test device capable of loading tension or pressure and vibration, which can simulate the actual use condition of a product containing pre-tightening tension or pressure in a vibration environment more truly.
In order to solve the technical problems, the invention is realized by the following technical scheme: a combined type test device capable of loading tension or pressure and vibration comprises a base, wherein a tension/pressure excitation device used for connecting a test piece and performing tension or pressure action on the test piece is arranged on the base, and a vibration excitation device connected with the test piece and providing a vibration excitation source for the test piece is arranged outside the tension/pressure excitation device; the tensile force/pressure excitation device is composed of a power device and two connecting mechanisms, the power device is provided with one connecting mechanism which is fixedly arranged at one end of the base, one connecting mechanism is in transmission connection with the power device fixedly arranged on the base, the other connecting mechanism is arranged at the other end, corresponding to the power device, of the base, the two connecting mechanisms are mutually symmetrical, the test piece is rigidly connected between the two symmetrically arranged connecting mechanisms, the power device is used as a power source to drive the connecting mechanism connected with the power device to do telescopic motion, and the position of the other connecting mechanism on the base is unchanged, so that the tensile force or the pressure of the test piece is transmitted, and the vibration excitation device provides vibration excitation for the test piece.
Preferably, the connecting mechanism consists of a connecting rod, a joint bearing and a flange; the joint bearing is sleeved outside the connecting rod, the two flanges are symmetrically arranged, one flange is sleeved outside the joint bearing, the other flange is used for being connected with the end part of the test piece, and the two symmetrically arranged flanges are fixedly connected through bolts.
Preferably, a force sensor is provided between the power unit and the connecting mechanism connected to the power source of the power unit.
Preferably, the base is a transversely arranged frame structure formed by welding steel plates, the tension/pressure excitation device provided with the test piece is transversely arranged on the base close to the top, and the vibration excitation device is arranged right below the test piece.
Preferably, the base is a transversely arranged frame structure formed by welding steel plates, the tension/pressure excitation device provided with the test piece is transversely arranged on the base and close to the top, and the two vibration excitation devices are obliquely downwards connected to the two sides of the test piece in a mirror image mode at a certain angle by taking the test piece as the center.
Preferably, the base is a vertically arranged frame structure and is formed by welding steel plates, the tension/pressure excitation device provided with the test piece is vertically arranged at the central part of the base, and the vibration excitation device is arranged on one side of the base opposite to the test piece.
Preferably, the vibration excitation device is connected to the test piece by a connecting rod or a clamp provided on the vibration excitation source.
Preferably, the power device is a servo motor or a hydraulic motor or a cylinder.
Preferably, the spherical plain bearing is a spherical plain bearing.
Preferably, the vibration exciting means is a conventional vibration table.
Compared with the prior art, the invention has the advantages that: the composite test device capable of loading tension or pressure and vibration can load tension or pressure and vibration stress at the same time, can simulate the actual use condition of a product containing pre-tightening tension or pressure in a vibration environment more truly, increases the environment simulation capability of the product, and has stronger function.
Drawings
Fig. 1-2 are schematic diagrams of the assembly structure of a tension/pressure excitation device and a test piece in a combined type test device capable of loading tension or pressure and vibration;
FIG. 3 is a schematic view of an assembly structure between the tension/compression excitation device and the base and the test piece;
FIG. 4 is an enlarged view of A of FIG. 3;
FIGS. 5-6 are schematic structural diagrams of an embodiment of a composite testing apparatus capable of loading tension or compression and vibration according to the present invention;
FIGS. 7-9 are schematic structural diagrams of a second embodiment of a composite testing apparatus capable of loading tension or compression and vibration according to the present invention;
fig. 10-11 are schematic structural views of two embodiments of a composite testing apparatus capable of loading tension or pressure and vibration according to the present invention.
In the figure: 1. a tension/compression force excitation device; 11. a power plant; 12. a connecting mechanism; 121. a connecting rod; 122. a knuckle bearing; 123. a flange; 13. a force sensor; 2. a test piece; 3. a base; 4. a vibration exciting device.
Detailed Description
The invention is described in detail below with reference to the figures and the detailed description.
A combined type test device capable of loading tension or pressure and vibration comprises a base 3, wherein the base 3 is formed by welding steel plates, provides a mounting platform and a supporting function for the whole set of test device, has enough rigidity, can bear required tension without deformation, is provided with a tension/pressure excitation device 1 for connecting a test piece 2 and performing tension or pressure action on the test piece 2, a vibration excitation device 4 which is connected with the test piece 2 and provides a vibration excitation source for the test piece 2 is arranged outside the tension/pressure excitation device 1, and the vibration excitation device 4 is a traditional vibration table and can be single or multiple in number; as shown in fig. 1 and fig. 2, the tension/pressure excitation device 1 is composed of a power device 11 and a connecting mechanism 12, the power device 11 is fixedly arranged at one end of the base 3, the power device 11 is a servo motor or a hydraulic motor or a cylinder, preferably a servo motor, and the servo motor can convert the rotary motion of the motor into the telescopic motion of a shaft, accurately control the speed and the displacement, and has quick response and large output force; the connecting mechanism 12 has two parts, one of the connecting mechanism 12 is in transmission connection with the power device 11 fixedly arranged on the base 3, a force sensor 13 is arranged between the connecting mechanism 12 and the power device 11 and is used for detecting the force applied to the test piece 2, the other connecting mechanism 12 is arranged on the other end of the base 3 corresponding to the power device 11, the two connecting mechanisms 12 are mutually symmetrical, the test piece 2 is rigidly connected between two symmetrically arranged connecting mechanisms 12, the power device 11 is used as a power source to drive the connecting mechanism 12 connected with the power device to do telescopic motion, the position of the other connecting mechanism 12 on the base 3 is unchanged, thereby realizing the transmission of tensile force or pressure to the test piece 2, the vibration excitation device 4 is connected with the test piece 2 through a connecting rod or a clamp arranged on a vibration excitation source, so that the vibration excitation device 4 provides vibration excitation to the test piece 2.
As shown in fig. 3 and 4, the connecting mechanism 12 is composed of a connecting rod 121, a knuckle bearing 122 and a flange 123, and mainly functions in transmission, detection, feedback and control of tension/pressure; the knuckle bearing 122 is sleeved outside the connecting rod 121, the two flanges 123 are symmetrically arranged, one of the two flanges is sleeved outside the knuckle bearing 122, the other flange is used for being connected with the end part of the test piece 2, and the two symmetrically arranged flanges 123 are fixedly connected through bolts; in the test process, the test piece 2 is influenced by vibration excitation and then generates displacement, in order to adjust the swing of the test piece 2, the joint bearing 122 is a spherical sliding bearing, the sliding contact surface of the spherical sliding bearing is an inner spherical surface and an outer spherical surface, and the spherical sliding bearing can perform inclined motion within a certain angle during motion, so that the influence of the swing displacement of the test piece 2 caused by the vibration excitation on the tension/pressure excitation is solved.
The first embodiment is as follows:
as shown in fig. 5 and 6, the base 3 is a horizontally arranged frame structure, the tension/compression excitation device 1 mounted with the test piece 2 is horizontally arranged on the base 3 near the top, the vibration excitation device 4 has two vibration excitation devices, the two vibration excitation devices are horizontally arranged in parallel under the test piece 2 and near the left and right ends of the test piece 2, respectively, and the connecting rod or clamp arranged on the vibration excitation source of the vibration excitation device 4 is rigidly connected to the test piece 2.
Example two:
as shown in fig. 7 to 9, the base 3 is a horizontally disposed frame structure, the tension/pressure excitation device 1 mounted with the test piece 2 is horizontally disposed on the base 3 near the top, the vibration excitation device 4 has two devices, which are centered on the test piece 2, obliquely downward at a certain angle and connected to two sides of the test piece 2 through a connecting rod or a clamp on the vibration excitation source in a mirror image manner, and an included angle between the two vibration excitation devices 4 is optimal to 90 degrees.
Example three:
as shown in fig. 10 and 11, the base 3 is a vertically arranged frame structure, the tension/pressure excitation device 1 on which the test piece 2 is mounted is vertically arranged at the central part of the base 3, the vibration excitation device 4 is arranged on one side of the base 3 opposite to the test piece 2, and a connecting rod or a clamp on a vibration excitation source of the vibration excitation device 4 is rigidly connected with the test piece 2.
When the device is used, two ends of a test piece 2 are fixedly connected to two symmetrically-arranged connecting mechanisms 12, a vibration excitation source is rigidly connected with the test piece 2 through a connecting rod or a clamp by a vibration excitation device 4, a power device 11 drives a force sensor 13 and the connecting mechanisms 12 connected with the power device to do telescopic motion, the force sensor 13 is used for detecting the force applied to the test piece 2, and when the force sensor 13 detects that the applied force does not reach (or is higher than) a preset value, the power device 11 can be started to increase (reduce) tension/pressure; when the force sensor detects that the stress reaches a preset value 13, the power device 11 stops outputting, so that the closed-loop control of the tension/pressure is realized; meanwhile, the vibration mechanism device 4 rigidly connected to the test piece 2 provides vibration force to the test piece 2 through a vibration excitation source, so that the vibration test requirement of the test piece 2 is met.
The composite test device capable of loading tension or pressure and vibration can load tension or pressure and vibration stress at the same time, can simulate the actual use condition of a product containing pre-tightening tension or pressure in a vibration environment more truly, increases the environment simulation capability of the product, and has stronger function.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a but combined type test device of loading pulling force or pressure and vibration which characterized in that: the device comprises a base (3), wherein a tension/pressure excitation device (1) used for connecting a test piece (2) and performing tension or pressure action on the test piece (2) is arranged on the base (3), and a vibration excitation device (4) connected with the test piece (2) and providing a vibration excitation source for the test piece (2) is arranged outside the tension/pressure excitation device (1); the tension/pressure excitation device (1) consists of a power device (11) and two connecting mechanisms (12), wherein the power device (11) is fixedly arranged at one end of the base (3), one connecting mechanism (12) is in transmission connection with the power device (11) fixedly arranged on the base (3), the other connecting mechanism (12) is arranged at the other end, corresponding to the power device (11), of the base (3), the two connecting mechanisms (12) are symmetrical with each other, the test piece (2) is rigidly connected between the two symmetrically arranged connecting mechanisms (12), the power device (11) is used as a power source to drive the connecting mechanism (12) connected with the power device to do telescopic motion, the position of the other connecting mechanism (12) on the base (3) is unchanged, and therefore the transmission of tension or pressure to the test piece (2) is realized, and the vibration excitation device (4) is used for providing vibration excitation for the test piece (2).
2. The composite test device capable of being loaded with tension or pressure and vibration according to claim 1, wherein: the connecting mechanism (12) consists of a connecting rod (121), a joint bearing (122) and a flange (123); the knuckle bearing (122) is sleeved outside the connecting rod (121), the two flanges (123) are symmetrically arranged, one of the two flanges is sleeved outside the knuckle bearing (122), the other flange is used for being connected with the end part of the test piece (2), and the two symmetrically arranged flanges (123) are fixedly connected through bolts.
3. The composite test device capable of being loaded with tension or pressure and vibration according to claim 1, wherein: and a force sensor (13) is arranged between the connecting mechanism (12) connected to the power source of the power device (11) and the power device (11).
4. The composite test device capable of being loaded with tension or pressure and vibration according to claim 1, wherein: the base (3) is of a transversely-arranged frame structure and is formed by welding steel plates, the tension/pressure excitation device (1) provided with the test piece (2) is transversely arranged on the base (3) and close to the top, and the vibration excitation device (4) is arranged under the test piece (2).
5. The composite test device capable of being loaded with tension or pressure and vibration according to claim 1, wherein: the base (3) is a transversely-arranged frame structure and is formed by welding steel plates, the tension/pressure excitation device (1) provided with the test piece (2) is transversely arranged on the base (3) and close to the top, and the vibration excitation devices (4) are arranged in two directions and are obliquely and downwards connected to the two sides of the test piece (2) in a mirror image mode by taking the test piece (2) as the center.
6. The composite test device capable of being loaded with tension or pressure and vibration according to claim 1, wherein: the base (3) is a vertically arranged frame structure and is formed by welding steel plates, the tension/pressure excitation device (1) provided with the test piece (2) is vertically arranged at the central part of the base (3), and the vibration excitation device (4) is arranged on one side of the base (3) just opposite to the test piece (2).
7. The composite test device capable of being loaded with tension or pressure and vibration according to claim 1, wherein: the vibration excitation device (4) is connected with the test piece (2) through a connecting rod or a clamp arranged on a vibration excitation source.
8. The composite test device capable of being loaded with tension or pressure and vibration according to claim 1, wherein: the power device (11) is a servo motor or a hydraulic motor or a cylinder.
9. The composite test device capable of being loaded with tension or pressure and vibration according to claim 2, wherein: the joint bearing (122) is a spherical sliding bearing.
10. The composite test device capable of being loaded with tension or pressure and vibration according to claim 1, wherein: the vibration exciting device (4) is a traditional vibration table.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536375.5A CN111551333A (en) | 2020-06-12 | 2020-06-12 | Composite test device capable of loading tension or pressure and vibration |
| PCT/CN2020/114730 WO2021248725A1 (en) | 2020-06-12 | 2020-09-11 | Integrated test device capable of loading tension or pressure and vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536375.5A CN111551333A (en) | 2020-06-12 | 2020-06-12 | Composite test device capable of loading tension or pressure and vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111551333A true CN111551333A (en) | 2020-08-18 |
Family
ID=72003489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010536375.5A Pending CN111551333A (en) | 2020-06-12 | 2020-06-12 | Composite test device capable of loading tension or pressure and vibration |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111551333A (en) |
| WO (1) | WO2021248725A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248725A1 (en) * | 2020-06-12 | 2021-12-16 | 苏州苏试试验集团股份有限公司 | Integrated test device capable of loading tension or pressure and vibration |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526995B (en) * | 2022-04-22 | 2022-07-15 | 成都理工大学 | Pipeline magnetization simulation detection system under action of composite load |
| CN115931566B (en) * | 2022-12-29 | 2024-02-06 | 江苏翔晟重工有限公司 | Ship anchor tension testing device and testing method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5913910B2 (en) * | 2011-04-26 | 2016-04-27 | 国際計測器株式会社 | Linear motion actuator and vibration device |
| CN205027503U (en) * | 2015-09-28 | 2016-02-10 | 中国海洋石油总公司 | Submersible connector's vibration testing platform |
| KR101758508B1 (en) * | 2015-12-22 | 2017-07-17 | 주식회사 포스코 | Apparatus for biaxial tention test |
| CN108982212B (en) * | 2018-06-05 | 2020-07-31 | 东北大学 | Composite material shaft tension-compression, bending, torsion and vibration comprehensive performance test platform |
| CN108956077A (en) * | 2018-07-23 | 2018-12-07 | 上汽通用五菱汽车股份有限公司 | Multi-functional screw connection structure pilot system and performance optimization method |
| CN110405235A (en) * | 2019-08-14 | 2019-11-05 | 苏州科技大学 | A kind of push-pull type tangent bend ultrasonic elliptical vibratory cutting device and method |
| CN111551333A (en) * | 2020-06-12 | 2020-08-18 | 苏州苏试试验集团股份有限公司 | Composite test device capable of loading tension or pressure and vibration |
-
2020
- 2020-06-12 CN CN202010536375.5A patent/CN111551333A/en active Pending
- 2020-09-11 WO PCT/CN2020/114730 patent/WO2021248725A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021248725A1 (en) * | 2020-06-12 | 2021-12-16 | 苏州苏试试验集团股份有限公司 | Integrated test device capable of loading tension or pressure and vibration |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021248725A1 (en) | 2021-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111551333A (en) | Composite test device capable of loading tension or pressure and vibration | |
| CN109682563B (en) | Five-degree-of-freedom metamorphic electromagnetic vibration test bed | |
| JP7240021B2 (en) | tire test equipment | |
| AU2019429490B2 (en) | Six-degree-of-freedom series-parallel electromagnetic vibration test stand | |
| CN109264024B (en) | Comprehensive test platform for dynamic performance of aircraft steering engine | |
| CN102175441B (en) | Load simulator based on series-parallel mechanism | |
| JP2011002435A (en) | Wind-tunnel balance calibrator | |
| JP2007510151A6 (en) | Multi-axis universal testing machine | |
| US10620069B2 (en) | Multi-bolt loosening test machine for flange with tension and bending compound loading | |
| CN106610337A (en) | Device for testing torsional fatigue of semi-shaft and transmission shaft of automobile | |
| CN103884495A (en) | Enclosed loading framework for multidimensional bearing test on large-scale structural member | |
| CN212646026U (en) | Composite test device capable of loading tension or pressure and vibration | |
| CN203037544U (en) | Mechanical pushing fatigue testing machine | |
| CN205940960U (en) | Automobile semi -axle and transmission shaft twist reverse fatigue test device | |
| CN107664601B (en) | Variable loading amplitude-frequency coupled vibration tensile test device and control method thereof | |
| CN107192612B (en) | A kind of tension-torsion fatigue test board | |
| CN104406790A (en) | Static load test bench of overload couplers | |
| JPH06103249B2 (en) | Multi-mode fatigue test equipment | |
| CN116754199A (en) | Integrated test device for deflection and torsional rigidity of rubber joint | |
| CN211527807U (en) | Comprehensive mechanical test device for large-scale shaft parts | |
| CN107314751B (en) | Friction lever transmission device | |
| CN205941234U (en) | Tired machine for testing torsion of fluid pressure type | |
| CN210834131U (en) | Torsion angle control device for torsion fatigue test tool | |
| CN111238789A (en) | Comprehensive mechanical test device for large-scale shaft parts | |
| CN220854079U (en) | Loading tool suspension mechanism of hub bearing rigidity testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |