CN113916479B - Triaxial vibration device and method capable of fixing circuit boards with various sizes - Google Patents
Triaxial vibration device and method capable of fixing circuit boards with various sizes Download PDFInfo
- Publication number
- CN113916479B CN113916479B CN202111141969.7A CN202111141969A CN113916479B CN 113916479 B CN113916479 B CN 113916479B CN 202111141969 A CN202111141969 A CN 202111141969A CN 113916479 B CN113916479 B CN 113916479B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012795 verification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- G01M7/06—Multidirectional test stands
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Abstract
The invention provides a triaxial vibration device and a triaxial vibration method capable of fixing circuit boards with various sizes, wherein the triaxial vibration device comprises a first vibration plate and a second vibration plate, four limiting blocks are arranged on the first vibration plate and used for positioning the circuit boards in the length and width directions, and annular limiting blocks are arranged on the first vibration plate and used for fixing the circuit boards; the first circuit board is provided with an annular groove for flexibly adjusting the direction of the circuit board; the second vibration plate is assembled on the first vibration plate which is fixed with the circuit board to be tested and completes the vibration test in the horizontal and vertical directions through the mounting hole; and then the second vibration plate which is provided with the first vibration plate is assembled on the vibration table through the mounting hole corresponding to the vibration table. The device has the advantages of compact structure, light weight, convenient installation and carrying, low manufacturing cost and convenient operation, and can prevent the circuit board from shaking.
Description
Technical Field
The invention relates to the technical field of circuit board auxiliary tools, in particular to a triaxial vibration device and method capable of fixing circuit boards with various sizes.
Background
The circuit board is used as an important component in aerospace products, and the vibration resistance of the circuit board directly determines whether the products can work normally in practical application, so that the vibration resistance of the circuit board is very important.
According to the corresponding standard, the triaxial test verification such as environmental stress screening, random vibration and highway transportation is carried out on the circuit board on the aerospace product.
The existing vibrating table has single thrust direction and only has horizontal direction or vertical direction, so that the single vibrating table can only meet one direction for vibration verification. If vibration needs to be carried out on three directions, the circuit board and the corresponding tool are required to be disassembled and assembled for multiple times. Therefore, labor and financial resources are consumed, the test efficiency is greatly reduced, and the actual production requirements cannot be met. Meanwhile, most devices for fixing the circuit boards can only be assembled with circuit boards of one size, and if the circuit boards of different sizes need to be vibrated, various devices need to be replaced, so that the working efficiency is seriously affected.
Disclosure of Invention
In order to solve the technical problems, the invention provides a triaxial vibration device and a triaxial vibration method capable of fixing circuit boards with various sizes, which are used for solving the technical problems that the three directions cannot be vibrated and the circuit boards with different sizes cannot be vibrated in the prior art and the devices need to be replaced.
According to a first aspect of the present invention, there is provided a triaxial vibration device capable of fixing a plurality of sizes of circuit boards, the triaxial vibration device including:
the first vibration plate is provided with a first limiting block and a second limiting block which are positioned at the same horizontal position; the first limiting block and the second limiting block can be fixed on the first vibrating plate through screws; the first limiting block and the second limiting block are used for positioning and fixing the circuit board to be tested in the width direction;
the first vibration plate is provided with a third limiting block and a fourth limiting block which are mutually perpendicular to the first limiting block and the second limiting block and are positioned at the same horizontal position; the third limiting block and the fourth limiting block can be fixed on the first vibrating plate through screws; the third limiting block and the fourth limiting block are used for positioning and fixing the circuit board to be tested in the length direction;
the first vibration plate is provided with an annular limiting block which can be fixed on the first vibration plate through three screws and is used for limiting and fixing the circuit board to be tested in the length direction;
the first vibration plate is provided with two annular grooves which are symmetrical in center and have a preset depth, the annular grooves are respectively a first annular groove and a second annular groove, and the annular angles of the first annular groove and the second annular groove are 90 degrees;
a third annular groove is formed in the first annular groove, the third annular groove is concentric with and at the same angle as the first annular groove, and the sum of the depth of the third annular groove and the depth of the first annular groove is the thickness of the first vibrating plate;
a fourth annular groove is formed in the second annular groove, the fourth annular groove and the second annular groove are concentric and at the same angle, and the sum of the depth of the fourth annular groove and the depth of the second annular groove is the thickness of the first vibrating plate;
a second vibration plate having a mounting hole corresponding to the first vibration plate and a mounting hole corresponding to the vibration table, the second vibration plate being mounted on the first vibration plate to which a circuit board to be tested is fixed and for which vibration tests are completed in both horizontal and vertical directions through the mounting hole; and then the second vibration plate which is provided with the first vibration plate is assembled on the vibration table through the mounting hole corresponding to the vibration table.
According to a second aspect of the present invention, there is provided a vibration method using the triaxial vibration device as described above, the vibration method including the steps of:
step S101: adjusting a first limiting block, a second limiting block, a third limiting block, a fourth limiting block and an annular limiting block of the first vibrating plate to fix the circuit board to be tested; testing the circuit board to be tested in two directions, namely horizontal and vertical directions;
step S102: and the second vibrating plate is assembled on the first vibrating plate through the reinforcing ribs and the screws, and then the second vibrating plate assembled with the first vibrating plate is assembled on the vibrating table, so that the direction perpendicular to the surface of the circuit board to be tested is tested.
According to the scheme of the invention, circuit boards with different sizes can be fixed, and vibration of the circuit boards in three directions can be completed on the same vibration table. The invention has compact structure, can prevent the circuit board from shaking, has lighter weight, is convenient to install and carry, has low manufacturing cost and is convenient to operate.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, illustrate the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a first vibration plate provided with a device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a stopper according to an embodiment of the present invention;
FIG. 3 is a schematic view of a ring stop according to an embodiment of the present invention;
FIG. 4 is a schematic view of a first vibration plate according to an embodiment of the present invention;
fig. 5 is a schematic view of a second vibration plate equipped with a device according to an embodiment of the present invention.
Reference numerals: 1a, a first limiting block; 1b, a second limiting block; 2a, a third limiting block; 2b, a fourth limiting block; 3, a first vibration plate; 4, an annular limiting block; 5, a circuit board; 6, reinforcing ribs; and 7, a second vibration plate.
Detailed Description
First, a triaxial vibration device capable of fixing a plurality of sizes of circuit boards according to an embodiment of the present invention will be described with reference to fig. 1. As shown in fig. 1, the triaxial vibration device capable of fixing various sizes of circuit boards includes:
the first vibration plate 3 is provided with a first limiting block 1a and a second limiting block 1b which are positioned at the same horizontal position; the first limiting block 1a and the second limiting block 1b can be fixed on the first vibrating plate 3 through screws; the first limiting block 1a and the second limiting block 1b are used for positioning and fixing the circuit board to be tested in the width direction;
the first vibration plate 3 is provided with a third limiting block 2a and a fourth limiting block 2b which are mutually perpendicular to the first limiting block 1a and the second limiting block 1b and are positioned at the same horizontal position; the third limiting block 2a and the fourth limiting block 2b can be fixed on the first vibrating plate 3 through screws; the third limiting block 2a and the fourth limiting block 2b are used for positioning and fixing the circuit board to be tested in the length direction;
the first vibration plate 3 is provided with an annular limiting block 4, and the annular limiting block can be fixed on the first vibration plate 3 through three screws and is used for limiting and fixing the circuit board to be tested in the length direction;
the first vibration plate 3 is provided with two annular grooves which are symmetrical in center and have a preset depth, namely a first annular groove 31a and a second annular groove 31b, and the annular angle of the first annular groove 31a and the second annular groove 31b is 90 degrees;
a third annular groove 32a is formed in the first annular groove 31a, the third annular groove 32a is concentric with and at the same angle as the first annular groove 31a, and the sum of the depth of the third annular groove 32a and the depth of the first annular groove 31a is the thickness of the first vibration plate 3;
a fourth annular groove 32b is formed in the second annular groove 31b, the fourth annular groove 32b is concentric and at the same angle with the second annular groove 31b, and the sum of the depth of the fourth annular groove 32b and the depth of the second annular groove 31b is the thickness of the first vibration plate 3;
a second vibration plate having a mounting hole corresponding to the first vibration plate 3 and a mounting hole corresponding to a vibration table, the second vibration plate being mounted on the first vibration plate to which a circuit board to be tested is fixed and for which vibration tests are completed in both horizontal and vertical directions through the mounting hole; and then the second vibration plate which is provided with the first vibration plate is assembled on the vibration table through the mounting hole corresponding to the vibration table.
Further, the triaxial vibration device capable of fixing the circuit boards with various sizes comprises two reinforcing ribs, threaded holes are formed in the end faces, in contact with the first vibration plate and the second vibration plate, of the reinforcing ribs, and countersunk holes are formed in the corresponding positions of the two vibration plates; through the screw connection, can be together fixed two vibrating plates and strengthening rib. Therefore, structural member deformation caused by vibration test can be reduced, and the mechanical property of the whole device is improved.
In this embodiment, as shown in fig. 2, the limiting blocks include a first limiting block, a second limiting block, a third limiting block and a fourth limiting block, where the first limiting block, the second limiting block, the third limiting block and the fourth limiting block all have two rectangular grooves; the screw passes through the rectangular groove and is fixed on the corresponding threaded hole of the first vibration plate 3, at the moment, a clamping groove is formed between the first limiting block, the second limiting block, the third limiting block and the fourth limiting block and the first vibration plate 3, and the formed clamping groove is used for fixing the circuit board to be tested.
Further, when the circuit boards to be tested with different widths are required to be mounted, the screws are screwed down after the first limiting block and the second limiting block are manually moved left and right to the positions matched with the circuit boards to be tested in a mode of loosening the screws on the first limiting block and the second limiting block. Rectangular grooves are formed in the first limiting block and the second limiting block, and circuit boards with different widths can be fixed by changing the left-right distance between the first limiting block and the second limiting block. When the circuit boards to be tested with different lengths are required to be mounted, the screws are screwed up after the third limiting block and the fourth limiting block are manually moved up and down to the positions matched with the circuit boards to be tested by loosening the screws on the third limiting block and the fourth limiting block. Rectangular grooves are formed in the third limiting block and the fourth limiting block, and circuit boards with different lengths can be fixed by changing the vertical distance between the third limiting block and the fourth limiting block. The circuit boards with different sizes can be fixed by adjusting the left-right distance between the first limiting block and the second limiting block and the upper-lower distance between the third limiting block and the fourth limiting block.
In this embodiment, as shown in fig. 3, the annular limiting block is fixed to the first vibration plate through screw connection, and a clamping groove can be formed to fix and position the circuit board. The first limiting block, the second limiting block, the third limiting block, the fourth limiting block and the annular limiting block can form a clamping groove after being assembled with the first vibrating plate, so that a circuit board can be well fixed, and the circuit board is prevented from shaking. And fixing circuit boards with different sizes is realized. In this embodiment, all the above parts are made of nonconductive pore (also called "sai") material, and the screws for fixing all the above parts are preferably M4 screws, which can perform an insulating function on the premise of ensuring mechanical properties.
In this embodiment, as shown in fig. 4, the predetermined depth of the first annular groove 31a and the second annular groove 31b is a depth that can avoid the protrusion of the nut of the screw from the mounting surface, and prevent the nut of the screw from protruding from the mounting surface, conducting electricity with the circuit board and scratching the circuit board.
In this embodiment, the third annular groove 32a and the fourth annular groove 32b are fixed on the vibration table by two M8 screws. In the vibration test, the first vibration plate 3 with the circuit board is fixed on the vibration table through four M8 screws in the third annular groove 32a and the fourth annular groove 32 b. After the vibration test in one direction is performed, the vibration table is not required to be replaced and the circuit board is not required to be detached, only one screw on the third annular groove 32a and the fourth annular groove 32b is required to be detached, the first vibration plate 3 is rotated along the groove paths of the third annular groove and the fourth annular groove, the first vibration plate is rotated by 90 degrees, the free rotation of the first vibration plate 3 in the horizontal direction and the vertical direction is realized, the detached screw is assembled in the third annular groove 32a and the fourth annular groove 32b respectively, and the first vibration plate 3 with the circuit board is fixed on the vibration table to perform the vibration test in the other direction. Therefore, the vibration of the circuit board in two directions can be completed without disassembling and assembling the circuit board and the vibration device, and the vibration test of the circuit board in two directions can be completed very efficiently.
In this embodiment, as shown in fig. 5, the first vibration plate equipped with the circuit board is assembled to the second vibration by screw connection after the vibration test in both directions is completed, and the two reinforcing ribs are also assembled to the first vibration plate and the second vibration by screw connection. The second vibration and the reinforcing ribs are made of the same pom (also called as Sijin) material as the first vibration plate, so that a good insulating effect is achieved. The purpose of installation strengthening rib is to guarantee when carrying out the vibration test, and the rigidity of whole device satisfies the designing requirement, avoids first vibrating plate to produce great deformation. The second vibration plate is fixed on the same vibration table through four M8 screws, and then a vibration test in the third direction can be performed. Thus, vibration tests of the circuit board in three directions are realized.
A triaxial vibration method capable of fixing a plurality of size circuit boards using the triaxial vibration apparatus capable of fixing a plurality of size circuit boards as described above according to an embodiment of the present invention, the method comprising the steps of:
step S101: adjusting a first limiting block, a second limiting block, a third limiting block, a fourth limiting block and an annular limiting block of the first vibrating plate to fix the circuit board to be tested; testing the circuit board to be tested in two directions, namely horizontal and vertical directions;
step S102: and the second vibrating plate is assembled on the first vibrating plate through the reinforcing ribs and the screws, and then the second vibrating plate assembled with the first vibrating plate is assembled on the vibrating table, so that the direction perpendicular to the surface of the circuit board to be tested is tested.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (6)
1. A triaxial vibration device capable of fixing a plurality of sizes of circuit boards, characterized in that the triaxial vibration device comprises:
the vibration device comprises a first vibration plate (3), wherein a first limiting block (1 a) and a second limiting block (1 b) which are positioned at the same horizontal position are arranged on the first vibration plate (3); the first limiting block (1 a) and the second limiting block (1 b) can be fixed on the first vibrating plate (3) through screws; the first limiting block (1 a) and the second limiting block (1 b) are used for positioning and fixing the circuit board to be tested in the width direction;
the first vibration plate (3) is provided with a third limiting block (2 a) and a fourth limiting block (2 b) which are mutually perpendicular to the first limiting block (1 a) and the second limiting block (1 b) and positioned at the same horizontal position; the third limiting block (2 a) and the fourth limiting block (2 b) can be fixed on the first vibrating plate (3) through screws; the third limiting block (2 a) and the fourth limiting block (2 b) are used for positioning and fixing the circuit board to be tested in the length direction;
the first vibrating plate (3) is provided with an annular limiting block (4), and the annular limiting block can be fixed on the first vibrating plate (3) through three screws and is used for limiting and fixing the circuit board to be tested in the length direction;
the first vibration plate (3) is provided with two annular grooves which are symmetrical in center and have a preset depth, the annular grooves are respectively a first annular groove (31 a) and a second annular groove (31 b), and the annular angles of the first annular groove (31 a) and the second annular groove (31 b) are 90 degrees;
a third annular groove (32 a) is formed in the first annular groove (31 a), the third annular groove (32 a) is concentric with and at the same angle as the first annular groove (31 a), and the sum of the depth of the third annular groove (32 a) and the depth of the first annular groove (31 a) is the thickness of the first vibrating plate (3);
a fourth annular groove (32 b) is formed in the second annular groove (31 b), the fourth annular groove (32 b) is concentric with the second annular groove (31 b) and is at the same angle, and the sum of the depth of the fourth annular groove (32 b) and the depth of the second annular groove (31 b) is the thickness of the first vibrating plate (3);
a second vibration plate having a mounting hole corresponding to the first vibration plate (3) and a mounting hole corresponding to a vibration table, the second vibration plate being mounted on the first vibration plate to which a circuit board to be tested is fixed and for which vibration tests are completed in both horizontal and vertical directions through the mounting hole; and then the second vibration plate which is provided with the first vibration plate is assembled on the vibration table through the mounting hole corresponding to the vibration table.
2. The triaxial vibration device capable of fixing various sizes of circuit boards according to claim 1, wherein the triaxial vibration device capable of fixing various sizes of circuit boards comprises two reinforcing ribs, threaded holes are formed in end faces of the reinforcing ribs, which are in contact with the first vibration plate and the second vibration plate, and counter holes are formed in corresponding positions of the two vibration plates; through the screw connection, can be together fixed two vibrating plates and strengthening rib.
3. The triaxial vibration device capable of fixing various sizes of circuit boards according to claim 2, wherein the first, second, third and fourth stoppers each have two rectangular grooves; the screw passes through the rectangular groove and is fixed on the corresponding threaded hole of the first vibration plate (3), at the moment, a clamping groove is formed between the first limiting block, the second limiting block, the third limiting block and the fourth limiting block and the first vibration plate (3), and the formed clamping groove is used for fixing the circuit board to be tested.
4. The triaxial vibration device capable of fixing circuit boards of various sizes according to claim 3, wherein the first limiting block, the second limiting block, the third limiting block and the fourth limiting block are made of nonconductive racing steel materials.
5. The triaxial vibration device capable of fixing various sizes of circuit boards according to claim 4, wherein the first vibration plate (3) with the circuit boards is fixed on the vibration table through four M8 screws in the third annular groove (32 a) and the fourth annular groove (32 b) when vibration test is performed; after the vibration test in one direction is finished, the vibration table and the circuit board are not required to be replaced, only one screw on the third annular groove (32 a) and the fourth annular groove (32 b) is required to be disassembled, the first vibration plate (3) is rotated along the groove paths of the third annular groove and the fourth annular groove, the first vibration plate is rotated by 90 degrees, namely, the free rotation of the first vibration plate (3) in the horizontal direction and the vertical direction is realized, the disassembled screws are assembled in the third annular groove (32 a) and the fourth annular groove (32 b) respectively, and the first vibration plate (3) with the circuit board is fixed on the vibration table for the vibration test in the other direction.
6. A triaxial vibration method capable of fixing a plurality of sizes of circuit boards using the triaxial vibration apparatus capable of fixing a plurality of sizes of circuit boards according to any one of claims 1 to 5, the method comprising the steps of:
step S101: adjusting a first limiting block, a second limiting block, a third limiting block, a fourth limiting block and an annular limiting block of the first vibrating plate to fix the circuit board to be tested; testing the circuit board to be tested in two directions, namely horizontal and vertical directions;
step S102: and the second vibrating plate is assembled on the first vibrating plate through the reinforcing ribs and the screws, and then the second vibrating plate assembled with the first vibrating plate is assembled on the vibrating table, so that the direction perpendicular to the surface of the circuit board to be tested is tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111141969.7A CN113916479B (en) | 2021-09-28 | 2021-09-28 | Triaxial vibration device and method capable of fixing circuit boards with various sizes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111141969.7A CN113916479B (en) | 2021-09-28 | 2021-09-28 | Triaxial vibration device and method capable of fixing circuit boards with various sizes |
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| Publication Number | Publication Date |
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| CN113916479A CN113916479A (en) | 2022-01-11 |
| CN113916479B true CN113916479B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111141969.7A Active CN113916479B (en) | 2021-09-28 | 2021-09-28 | Triaxial vibration device and method capable of fixing circuit boards with various sizes |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5435533A (en) * | 1993-09-10 | 1995-07-25 | Screening Systems, Inc. | Adjustable clamping fixture for vibrating various sized circuit boards |
| JP2007205846A (en) * | 2006-02-01 | 2007-08-16 | Kitagawa Ind Co Ltd | Three-dimensional shaking table for vibration exhibition |
| CN201892613U (en) * | 2010-11-29 | 2011-07-06 | 宁波菲仕运动控制技术有限公司 | Vibration test equipment of printed circuit boards |
| CN207730414U (en) * | 2017-12-26 | 2018-08-14 | 西安创尼信息科技有限公司 | Vibration test tooling |
| CN208334571U (en) * | 2018-07-03 | 2019-01-04 | 中车株洲电力机车研究所有限公司 | A kind of Reliability of PCB test fixture |
| CN209027752U (en) * | 2018-09-29 | 2019-06-25 | 梅州市奔创电子有限公司 | A kind of printed circuit board vibration-testing apparatus |
| CN110905479A (en) * | 2019-09-10 | 2020-03-24 | 西南石油大学 | Install in inside triaxial vibration measuring device of drill bit |
| CN210834072U (en) * | 2019-11-13 | 2020-06-23 | 广州兴森快捷电路科技有限公司 | Clamping assembly, clamping mechanism and vibration test device |
| CN211121865U (en) * | 2019-12-30 | 2020-07-28 | 长沙万为机器人有限公司 | Universal circuit board clamp for vibration test board |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9354138B2 (en) * | 2013-07-02 | 2016-05-31 | Texas Instruments Incorporated | Fixture for test circuit board reliability testing |
-
2021
- 2021-09-28 CN CN202111141969.7A patent/CN113916479B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5435533A (en) * | 1993-09-10 | 1995-07-25 | Screening Systems, Inc. | Adjustable clamping fixture for vibrating various sized circuit boards |
| JP2007205846A (en) * | 2006-02-01 | 2007-08-16 | Kitagawa Ind Co Ltd | Three-dimensional shaking table for vibration exhibition |
| CN201892613U (en) * | 2010-11-29 | 2011-07-06 | 宁波菲仕运动控制技术有限公司 | Vibration test equipment of printed circuit boards |
| CN207730414U (en) * | 2017-12-26 | 2018-08-14 | 西安创尼信息科技有限公司 | Vibration test tooling |
| CN208334571U (en) * | 2018-07-03 | 2019-01-04 | 中车株洲电力机车研究所有限公司 | A kind of Reliability of PCB test fixture |
| CN209027752U (en) * | 2018-09-29 | 2019-06-25 | 梅州市奔创电子有限公司 | A kind of printed circuit board vibration-testing apparatus |
| CN110905479A (en) * | 2019-09-10 | 2020-03-24 | 西南石油大学 | Install in inside triaxial vibration measuring device of drill bit |
| CN210834072U (en) * | 2019-11-13 | 2020-06-23 | 广州兴森快捷电路科技有限公司 | Clamping assembly, clamping mechanism and vibration test device |
| CN211121865U (en) * | 2019-12-30 | 2020-07-28 | 长沙万为机器人有限公司 | Universal circuit board clamp for vibration test board |
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| CN113916479A (en) | 2022-01-11 |
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