CN213336697U - Multidirectional vibration test bench - Google Patents
Multidirectional vibration test bench Download PDFInfo
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- CN213336697U CN213336697U CN202022753053.4U CN202022753053U CN213336697U CN 213336697 U CN213336697 U CN 213336697U CN 202022753053 U CN202022753053 U CN 202022753053U CN 213336697 U CN213336697 U CN 213336697U
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Abstract
The utility model belongs to the technical field of vibration test device equipment of part products, in particular to a multidirectional vibration test bed, which comprises a base platform, a square frame type platform and a connecting platform; the square frame type platform is a hollow quadrangle, and the connecting platform is arranged in the middle of the square frame type platform; the left side and the right side of the connecting table are respectively connected with the left inner side and the right inner side of the square frame type table through transverse springs, and the front side and the rear side of the connecting table are respectively connected with the front inner side and the rear inner side of the square frame type table through longitudinal springs; the square frame type platform is connected above the base platform through a vertical spring; the bottom of the connecting table can be connected with a three-dimensional vibrator, so that the connecting table can vibrate relative to the square frame type table and the square frame type table can vibrate relative to the base table; the multidirectional vibration test bed in this scheme can realize the vibration test of three-dimensional direction to vertical, horizontal and horizontal vertical three directions such as have dispose compressible spring respectively, make the vibration test bed can both satisfy the demand of vibration test bed at the vibration resilience performance of three-dimensional direction.
Description
Technical Field
The utility model belongs to the technical field of spare part product vibration test device equipment, concretely relates to multidirectional vibration test platform.
Background
The reliability test of the part product is to evaluate the product in terms of the expected use state of the product in the environment of use, transportation or storage, such as exposing the product to natural or artificial environmental conditions, and the performance of the product in normal or other environmental conditions, including using environmental test equipment to simulate high temperature, low temperature, high temperature and high humidity, temperature change and the like in the climate environment, and accelerating the reaction of the product in the use environment, so as to evaluate the product as a whole and determine the reliability life of the product.
The vibration test is an important link of product reliability test, and is used for simulating the influence of vibration environment on the product in the transportation, installation and use environments and the like and determining the capability of the product for bearing various environmental vibrations; the vibration test refers to a test for evaluating the vibration resistance of a product in an expected use environment to a vibrated object or model; the vibration test is divided into a sinusoidal vibration test and a random vibration test according to the type of the applied vibration load; the sinusoidal vibration test comprises a rated vibration test and a scanning sinusoidal vibration test; the scanning vibration test requires that the vibration frequency be changed according to a certain rule, such as linear change or exponential change. The vibration control test is used for generating a vibration signal and controlling the magnitude of vibration; the vibration control equipment has a sinusoidal vibration control function and a random vibration control function; the vibration test is mainly environment simulation, and the test parameters are frequency range, vibration amplitude and test duration; the effects of vibration on the product are: structural damage such as structural deformation, product cracking or breakage; the product has functional failure or performance over-poor, such as poor contact, relay misoperation and the like, and the damage does not belong to permanent damage, because once the vibration is reduced or stopped, the work can be recovered to be normal; and (4) technological damage, such as loosening of screws or connecting pieces and welding failure.
Although the existing vibration test bed can perform three-dimensional vibration tests, the existing three-dimensional vibration test bed usually provides elastic force for restoration after vibration through a single spring; however, since the spring is produced and manufactured for elastic force restoration in a single direction, for example, a compression spring, the number of times of deformation restoration and the restoring force in the axial direction are often greater than those in the radial direction, and the restoring force of the spring is insufficient, which will greatly affect the test result of the test bed, a three-dimensional vibration test bed capable of providing compression restoring force in multiple directions is lacking in the market.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the restoring force of the vibration test bed device among the prior art is not enough in vertical or level, the utility model provides a multidirectional vibration test bed can set up the spring respectively in upper and lower, front and back, left and right sides equidirectional, has disposed compressible spring respectively in three direction for the vibration test bed can both reach the requirement at the vibration resilience performance of three-dimensional direction.
The utility model discloses the technical scheme who adopts does:
a multidirectional vibration test stand comprises a base stand, a square frame type stand and a connecting stand; the square frame type platform is a hollow quadrangle, and the connecting platform is arranged in the middle of the square frame type platform; the left side and the right side of the connecting table are respectively connected with the left inner side and the right inner side of the square frame type table through transverse springs, and the front side and the rear side of the connecting table are respectively connected with the front inner side and the rear inner side of the square frame type table through longitudinal springs; the square frame type platform is connected above the base platform through a vertical spring; the bottom of the joining table can be connected with a three-dimensional vibrator, so that the joining table can vibrate relative to the square frame type table and the square frame type table can vibrate relative to the base table.
Optionally: vertical guide rods are respectively arranged at four corners of the square frame type platform, and vertical guide sleeves corresponding to the vertical guide rods are arranged on the base platform; the vertical guide rods extend into the corresponding vertical guide sleeves, and the vertical guide rods are coaxial with the vertical guide sleeves and can slide relatively along the axis.
Optionally: the vertical spring sleeve is arranged outside the vertical guide rod, the upper end of the vertical spring is abutted against the square frame type platform, and the lower end of the vertical spring is abutted against the vertical guide sleeve.
Optionally: the side wall of the vertical guide sleeve is provided with a vertical positioning pin, and the vertical positioning pin penetrates through the side wall of the vertical guide sleeve and is used for fixing the vertical guide rod.
Optionally: the left side and the right side of the square frame type table are respectively provided with a plurality of transverse positioning columns, the left side and the right side of the connecting table are respectively provided with a plurality of waist-shaped guide holes, and the transverse positioning columns can be abutted to the corresponding waist-shaped guide holes to limit the left and right movement of the connecting table.
Optionally: tooth-shaped bosses are arranged on the left side and the right side of the connecting table; a plurality of dentate bosses and a plurality of transverse springs are arranged at the left side or the right side of the connecting table at intervals; the kidney-shaped guide hole is positioned on the end surface of the dentate boss.
Optionally: the middle part of the transverse positioning column is provided with an external thread, a plurality of threaded holes are formed in the left side and the right side of the square frame type platform, and the transverse positioning column is in threaded connection with the corresponding threaded holes.
Optionally: the front side and the rear side of the square frame type platform are respectively provided with a plurality of longitudinal positioning columns, the front side and the rear side of the connecting platform are respectively provided with a waist-shaped guide hole, and the longitudinal positioning columns can be abutted against the corresponding waist-shaped guide holes to limit the front and the rear movement of the connecting platform.
Optionally: a plurality of tooth-shaped bosses are arranged on the front side and the rear side of the connecting table; a plurality of dentate bosses and a plurality of transverse springs are arranged at intervals on the front side or the rear side of the connecting table; the kidney-shaped guide hole is positioned on the end surface of the dentate boss.
Optionally: the middle part of the transverse positioning column is provided with an external thread, a plurality of threaded holes are formed in the front side and the rear side of the square frame type platform, and the transverse positioning column is in threaded connection with the corresponding threaded holes.
The utility model has the advantages that:
1. the multidirectional vibration test bed can realize vibration tests in three-dimensional directions, and the compressible springs are respectively arranged in the vertical direction, the horizontal direction, the longitudinal direction and other three directions, so that the vibration resilience performance of the vibration test bed in the three-dimensional directions can meet the requirements of the vibration test bed;
2. in the scheme, the arrangement of the longitudinal positioning column, the transverse positioning column, the vertical positioning pin and other structures enables the vibration direction of the multidirectional vibration table to be limited, for example, after the vibration range in the horizontal direction is restrained, the whole vibration test table can only realize the vibration test in the vertical direction; thereby making it possible to perform a unidirectional vibration test of the vibration test.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a vibration testing stand;
FIG. 2 is a top view side view of the vibration test stand;
FIG. 3 is a structural diagram of a kidney-shaped guide hole on a toothed boss.
In the figure: 1-base station; 2-vertical guide sleeve; 3-a vertical spring; 4-transverse positioning columns; 5-square frame type table; 6-transverse spring; 7-a connecting table; 8-vertical guide rods; 9-longitudinal positioning columns; 10-a toothed boss; 11-a vertical locating pin; 13-a longitudinal spring; 14-kidney-shaped guide hole.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work.
The technical solution provided by the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
In some instances, some embodiments are not described or not in detail, as they are conventional or customary in the art.
Furthermore, the technical features described herein, or the steps of all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments, in addition to the mutually exclusive features and/or steps. It will be readily appreciated by those of skill in the art that the order of the steps or operations of the methods associated with the embodiments provided herein may be varied. Any order in the drawings and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated to be required.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The terms "connected" and "coupled" when used in this application, encompass both direct and indirect connections, and also include both direct and indirect connections, where appropriate and without making any inconsistency.
Example 1
As shown in fig. 1-2, the multi-directional vibration test stand of the present embodiment includes a base 1, a square frame 5, and a connection table 7.
The square frame type platform 5 is of a hollow frame type regular quadrilateral structure, the connecting platform 7 is located in the middle of the square frame type platform 5, the left side and the right side of the connecting platform 7 are respectively connected with the left inner side and the right inner side of the square frame type platform 5 through the transverse springs 6, and the front side and the rear side of the connecting platform 7 are respectively connected with the front inner side and the rear inner side of the square frame type platform 5 through the longitudinal springs 13.
The square frame type table 5 is connected above the base 1 through a vertical spring 3.
The upper end surface of the connecting table 7 is used for connecting parts for fixing belt tests, and the bottom of the connecting table 7 can be connected and fixed with a three-dimensional vibrator; the vibration component force of the three-dimensional vibrator in the transverse direction is mainly provided with elastic force for compression and restoration by a transverse spring 6; the vibration component force of the three-dimensional vibrator in the longitudinal direction is mainly provided with elastic force for compression and restoration by the longitudinal spring 13; the vibration component force of the three-dimensional vibrator in the vertical direction is mainly provided with the elastic force for compression and restoration by the vertical spring; the connection table 7 can vibrate in the horizontal direction with respect to the frame-shaped table 5, and vibrate the frame-shaped table 5 in the vertical direction with respect to the base 1.
Example 2
In addition to the structure of example 1, in order to restrict the vibration of the square frame type base 5 in the horizontal direction, the following structural design was made: vertical guide rods 8 are respectively arranged at four corners of the square frame type table 5, four vertical guide sleeves 2 are arranged on the base table 1, and the vertical guide rods 8 correspond to the vertical guide sleeves 2 one by one; the vertical guide rod 8 extends into the corresponding vertical guide sleeve 2 and is coaxially arranged with the vertical guide sleeve 2, and can slide up and down along the axis of the vertical guide sleeve 2.
The vertical spring 3 is sleeved outside the vertical guide rod 8, the upper end of the vertical spring 3 is abutted against the square frame type table 5, and the lower end of the vertical spring 3 is abutted against the vertical guide sleeve 2; the side wall of the vertical guide sleeve 2 is provided with a vertical positioning pin 11, and the vertical positioning pin 11 penetrates through the side wall of the vertical guide sleeve 2 and is used for fixing the vertical guide rod 8.
Example 3
As shown in fig. 3, in addition to the structure of embodiment 2, in order to restrict the vibration of the connection table 7 in the horizontal lateral direction, the following structural design is made: a plurality of transverse positioning columns 4 are arranged on the left side and the right side of the square frame type table 5, external threads are arranged in the middle of each transverse positioning column 4, a plurality of threaded holes are arranged on the left side and the right side of the square frame type table 5, and the transverse positioning columns 4 are in threaded connection with the corresponding threaded holes; the left side and the right side of the connecting table 7 are both provided with toothed bosses 10, the waist-shaped guide holes 14 are positioned at the end surfaces of the toothed bosses 10, and the plurality of toothed bosses 10 and the plurality of transverse springs 6 are arranged at intervals on the left side or the right side of the connecting table 7; the transverse positioning columns 4 can be abutted against the corresponding waist-shaped guide holes 14 to limit the left and right movement of the connecting table 7; the ends of the transverse positioning columns 4 can slide in the kidney-shaped guide holes 14, so that the connecting table 7 can vibrate in the horizontal longitudinal direction.
Example 4
As shown in fig. 3, in addition to the structure of embodiment 2, in order to limit the vibration of the connecting table 7 in the horizontal longitudinal direction, the following structural design is made: a plurality of longitudinal positioning columns 9 are arranged on the front side and the rear side of the square frame type platform 5, external threads are arranged in the middle of each longitudinal positioning column 9, a plurality of threaded holes are arranged on the front side and the rear side of the square frame type platform 5, and the longitudinal positioning columns 9 penetrate through the corresponding threaded holes and are in threaded fit with the threaded holes; the front side and the rear side of the connecting table 7 are both provided with tooth-shaped bosses 10, the waist-shaped guide holes 14 are positioned at the end surfaces of the tooth-shaped bosses 10, and the tooth-shaped bosses 10 and the longitudinal springs 13 are arranged at intervals on the front side or the rear side of the connecting table 7; the longitudinal positioning columns 9 can abut against the corresponding waist-shaped guide holes 14 to limit the front and back movement of the connecting table 7; the ends of the longitudinal positioning posts 9 can slide in the kidney-shaped guide holes 14, thereby ensuring that the connecting table 7 can vibrate in the horizontal transverse direction.
The above examples are merely examples for clarity of description and are not intended to limit the embodiments; other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a multidirectional vibration test bench which characterized in that: comprises a base platform (1), a square frame type platform (5) and a connecting platform (7); the square frame type platform (5) is a hollow quadrangle, and the connecting platform (7) is arranged in the middle of the square frame type platform (5); the left side and the right side of the connecting table (7) are respectively connected with the left inner side and the right inner side of the square frame type table (5) through transverse springs (6), and the front side and the rear side of the connecting table (7) are respectively connected with the front inner side and the rear inner side of the square frame type table (5) through longitudinal springs (13); the square frame type platform (5) is connected above the base platform (1) through a vertical spring (3); the bottom of the connecting table (7) can be connected with a three-dimensional vibrator, so that the connecting table (7) can vibrate relative to the square frame type table (5) and the square frame type table (5) can vibrate relative to the base table (1).
2. The multidirectional vibration test stand of claim 1, wherein: vertical guide rods (8) are respectively arranged at four corners of the square frame type table (5), and vertical guide sleeves (2) corresponding to the vertical guide rods (8) are arranged on the base table (1); the vertical guide rod (8) extends into the corresponding vertical guide sleeve (2), and the vertical guide rod (8) is coaxial with the vertical guide sleeve (2) and can relatively slide along the axis.
3. The multidirectional vibration test stand of claim 2, wherein: the vertical spring (3) is sleeved outside the vertical guide rod (8), the upper end of the vertical spring (3) is abutted against the square frame type platform (5), and the lower end of the vertical spring (3) is abutted against the vertical guide sleeve (2).
4. The multidirectional vibration test stand of claim 3, wherein: the side wall of the vertical guide sleeve (2) is provided with a vertical positioning pin (11), and the vertical positioning pin (11) penetrates through the side wall of the vertical guide sleeve (2) and is used for fixing the vertical guide rod (8).
5. The multidirectional vibration test stand of one of claims 1 to 4, wherein: the left side and the right side of the square frame type platform (5) are respectively provided with a plurality of transverse positioning columns (4), the left side and the right side of the connecting platform (7) are respectively provided with a plurality of waist-shaped guide holes (14), and the transverse positioning columns (4) can be abutted against the corresponding waist-shaped guide holes (14) to limit the left and right movement of the connecting platform (7).
6. The multidirectional vibration test stand of claim 5, wherein: tooth-shaped bosses (10) are arranged on the left side and the right side of the connecting table (7); a plurality of dentate bosses (10) and a plurality of transverse springs (6) are arranged at intervals on the left side or the right side of the connecting table (7); the kidney-shaped guide hole (14) is positioned at the end surface of the tooth-shaped boss (10).
7. The multidirectional vibration test stand of claim 6, wherein: the middle part of the transverse positioning column (4) is provided with an external thread, the left side and the right side of the square frame type platform (5) are provided with a plurality of threaded holes, and the transverse positioning column (4) is in threaded connection with the corresponding threaded holes.
8. The multidirectional vibration test stand of one of claims 1 to 4, wherein: the front side and the rear side of the square frame type platform (5) are respectively provided with a plurality of longitudinal positioning columns (9), the front side and the rear side of the connecting platform (7) are respectively provided with a waist-shaped guide hole (14), and the longitudinal positioning columns (9) can be abutted against the corresponding waist-shaped guide holes (14) to limit the front and rear movement of the connecting platform (7).
9. The multidirectional vibration test stand of claim 8, wherein: a plurality of dentate bosses (10) are arranged on the front side and the rear side of the connecting table (7); a plurality of dentate bosses (10) and a plurality of transverse springs (6) are arranged at intervals on the front side or the rear side of the connecting table (7); the kidney-shaped guide hole (14) is positioned at the end surface of the tooth-shaped boss (10).
10. The multidirectional vibration test stand of claim 9, wherein: the middle part of the transverse positioning column (4) is provided with an external thread, the front side and the rear side of the square frame type platform (5) are provided with a plurality of threaded holes, and the transverse positioning column (4) is in threaded connection with the corresponding threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022753053.4U CN213336697U (en) | 2020-11-24 | 2020-11-24 | Multidirectional vibration test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022753053.4U CN213336697U (en) | 2020-11-24 | 2020-11-24 | Multidirectional vibration test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213336697U true CN213336697U (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022753053.4U Expired - Fee Related CN213336697U (en) | 2020-11-24 | 2020-11-24 | Multidirectional vibration test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213336697U (en) |
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2020
- 2020-11-24 CN CN202022753053.4U patent/CN213336697U/en not_active Expired - Fee Related
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Granted publication date: 20210601 |