CN114963896A - Vibration clamp with two-in-one-drag-spring - Google Patents
Vibration clamp with two-in-one-drag-spring Download PDFInfo
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- CN114963896A CN114963896A CN202210476505.XA CN202210476505A CN114963896A CN 114963896 A CN114963896 A CN 114963896A CN 202210476505 A CN202210476505 A CN 202210476505A CN 114963896 A CN114963896 A CN 114963896A
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- support
- vibration
- vibration test
- cover plate
- test piece
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- 238000012360 testing method Methods 0.000 claims abstract description 101
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a one-to-two vibration clamp structure, which relates to the field of missile vibration testing and comprises a base, a first support, a second support, a T-shaped block and a cover plate. The embodiment of the invention is as follows: the base is connected with the vibration table, so that the vibration test is controlled by the vibration table; placing the vibration test piece on the curved surfaces of the first support and the second support, and connecting the first support and the second support with the cover plate through the T-shaped block, so as to fix two vibration test pieces at the same time and carry out vibration test; through dismantling T type piece for first support and second support are separated with the apron, change vibration test piece direction, accomplish the vibration test of three directions of vibration test piece. The invention can simultaneously fix two vibration test pieces, carry out vibration tests in different directions and improve the test efficiency.
Description
Technical Field
The invention relates to the field of missile vibration testing, in particular to a one-to-two vibration clamp structure.
Background
The missile test is an important work item in the process of missile development, production and use, is used for checking and verifying the function and main technical performance of a missile system, positioning faults, adjusting unqualified parameters or replacing faulty components under the necessary and allowable conditions, and ensures that the technical performance of the missiles produced in a factory meets the requirements and the missiles used by a department are in a good standby state. In order to test whether the missile meets the performance requirement, the missile needs to be fixed by a vibration clamp on the ground for vibration test. In order to save the vibration test cost, two missile vibration test pieces are hopefully tested at one time, and the technology of the invention is developed.
Disclosure of Invention
Aiming at the problem that the simulated missile vibration needs to be clamped on the ground, the invention designs a vibration clamp structure with one driving two, which can simultaneously clamp two vibration test pieces during vibration test, simulate the vibration environment of the vibration test pieces, and test whether the vibration test pieces meet the vibration performance requirements of the three directions of x, y and z by changing the placing direction of the vibration test pieces.
The invention is realized by the following steps:
the vibration clamp for the one-drag-two-bullet is characterized by comprising a base, wherein a first support and a second support are arranged above the base, and are mirror images, so that vibration tests in multiple directions are realized; the first bracket and the second bracket are provided with four corresponding curved surfaces on the whole body; a cover plate is arranged above the first bracket and the second bracket; the cover plate is of a central axis symmetric structure, four curved surfaces are arranged on the symmetric structure, the curved surfaces of the cover plate are matched with the curved surfaces of the first support and the second support, and the curved surfaces of the cover plate, the curved surfaces of the first support and the curved surfaces of the second support are combined together to meet the overall dimension of a vibration test.
Furthermore, the first bracket and the second bracket are installed together with the cover plate through the T-shaped block, and the vibration test piece is fixed through the first bracket, the second bracket and the cover plate so as to carry out vibration test; the top ends of the first support and the second support are in a dovetail groove form, so that the first support and the second support are connected with the cover plate conveniently.
Further, the top end part of the cover plate is hollowed; reinforcing ribs are added on two sides of the cover plate. In order to reduce the mass of the one-driving-two vibration clamp, the top end part of the cover plate is hollowed; in order to improve the first-order natural frequency, reinforcing ribs are added to two sides of the cover plate.
Further, the material of the T-block is chosen to be steel, making it more resistant to wear, considering that the support and cover plate must often be separated to replace the vibration test piece.
Furthermore, the base is connected with the vibration table through screws, so that the vibration test of the vibration test piece is controlled by the vibration table. The base is respectively connected with the first bracket and the second bracket through screws; the first support and the second support are connected with the cover plate at the top through the T-shaped blocks respectively, and the first support and the second support are combined with the cover plate to fix the vibration test piece and prevent the vibration test piece from moving during vibration test.
Furthermore, in order to facilitate the assembly and connection of the cover plate and the first and second supports through the T-shaped block, the T-shaped block is in interference fit with a pin rod with a positioning effect, and the pin rod blocks the T-shaped block from further penetrating during assembly, so that the bolt hole of the cover plate is aligned with the hole position of the bolt hole of the T-shaped block.
Further, the working mode of the vibration clamp is as follows: the base is connected with the vibration table, so that the vibration test is controlled by the vibration table; placing the vibration test piece on the curved surfaces of the first support and the second support, and connecting the first support and the second support with the cover plate through the T-shaped block, so as to fix two vibration test pieces at the same time and carry out vibration test; through dismantling T type piece for first support and second support are separated with the apron, change vibration test piece direction, accomplish the vibration test of vibration test piece x, y, the three direction of z, the vibration press from both sides the vibration test who realizes vibration test piece x, y, the three direction of z, specifically do: the T-shaped block is disassembled, so that the first support and the second support are separated from the cover plate, the direction of the vibration test piece can be changed, and the direction of the base of the one-to-two vibration clamp and the direction of the vibration table do not need to be changed; when the x direction of the vibration test piece is superposed with the y direction of the one-driving-two vibration clamp, the vibration test of the x direction and the y direction of the vibration test piece can be realized; when the x direction of the vibration test piece is coincident with the x direction of the one-drag-two vibration fixture, the z-direction vibration test of the vibration test piece can be realized.
The beneficial effects of the invention and the prior art are as follows:
the invention relates to a vibration clamp which can simultaneously and fixedly clamp two vibration test pieces and can carry out vibration tests in multiple directions. The support and the cover plate in the one-driving-two vibration clamp can bear two vibration test pieces together, and the bottom plate in the one-driving-two vibration clamp is connected with the vibration table, so that the vibration test of the vibration test pieces is controlled by the vibration table.
Drawings
FIG. 1 is a general schematic view of a one-to-two vibrating clamp configuration of the present invention;
FIG. 2 is a front view of a one-to-two vibrating clamp configuration of the present invention;
FIG. 3 is a solid block diagram of the T-block and pin in a one-to-two vibrating clamp configuration of the present invention;
FIG. 4 is an overall solid view of the base in a one-to-two vibration fixture configuration of the present invention;
FIG. 5 is an overall solid view of a bracket in a one-to-two vibrating clamp configuration of the present invention;
FIG. 6 is an overall solid view of the cover plate in a one-to-two vibrating fixture configuration of the present invention;
FIG. 7 is a schematic diagram of a one-to-two vibration jig structure for mounting two vibration test pieces (x, y directions) according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a one-to-two vibration jig structure for mounting two vibration test pieces (z-direction) according to an embodiment of the present invention;
the device comprises a cover plate 1, a T-shaped block 2, a first support 3, a second support 4, a base 5 and a pin rod 6.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention more clear, the present invention is further described in detail by referring to the following examples. It should be noted that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in FIGS. 1 to 6, the present invention comprises a cover plate 1, a T-shaped block 2, a first bracket 3, a second bracket 4 and a base 5. The first bracket 3 and the second bracket 4 of the invention are arranged on the base 5, the vibration test piece is placed on the curved surface of the first bracket 3 and the second bracket 4, and the first bracket 3 and the second bracket 4 are arranged together with the cover plate 1 through the T-shaped block 2 to fix the vibration test piece so as to carry out vibration test.
The base of the invention is provided with the hole site size of the base according to the interface requirement of the vibration table, and 82 holes are symmetrically distributed on two axes of the plane, as shown in figure 4. For the connection with the first bracket 3 and the second bracket 4, two sets of hole sites are designed, which are mirrored along the plane axis. The first support 3 and the second support 4 are mirror images, and are provided with 4 corresponding curved surfaces according to the size information of a vibration test piece for realizing vibration tests in multiple directions; and in order to enable the first bracket 3 and the second bracket 4 to be connected with the cover plate 1, the top ends of the first bracket and the second bracket are designed into a dovetail groove form. In order to connect the cover plate 1 with the two brackets, the cover plate is designed to be symmetrical about the central axis, and 4 curved surfaces are arranged on two sides of the cover plate respectively, so that the curved surfaces of the cover plate and the curved surfaces of the brackets are combined together to meet the overall dimension of the vibration test piece.
The base 5 is connected with the vibration table through screws, so that the vibration test of the vibration test piece is controlled by the vibration table. The base 5 is respectively connected with the first bracket 3 and the second bracket 4 through screws; first support 3 and second support 4, respectively through T type piece 2 and top apron 1 be connected, first support 3 and second support 4 with apron 1 be in the same place, it is fixed to test the piece with the vibration, vibration test piece removal when preventing vibration test.
In order to facilitate the assembly and connection of the cover plate and the first support 3 and the second support 4 through the T-shaped block 2, the T-shaped block is in interference fit with a pin 6 with a positioning effect, and the pin 6 blocks the T-shaped block 2 from further penetrating during assembly, so that a bolt hole of the cover plate is aligned with a hole position of a bolt hole of the T-shaped block.
For vibration test, be connected base 5 and shaking table, the combination focus of one drag two vibration anchor clamps and vibration test piece coincide with shaking table center, the deviation is not more than 10mm, and behind the two pieces of vibration test pieces of clamping, the frequency response deviation of two pieces of vibration test piece same positions is within 10%.
For realizing the vibration test of the three directions of vibration test piece, only need dismantle T type piece 2 for first support 3 and second support 4 part with apron 1, alright change vibration test piece direction, need not to change the direction of one drags two vibration anchor clamps base 5 and shaking table. When the x-direction of the vibration test piece coincides with the y-direction mounting of the one-drag-two vibration jig, the vibration test of the vibration test piece in the x-direction and the y-direction can be realized, as shown in fig. 7. When the x direction of the vibration test piece coincides with the x direction of the one-drag-two vibration jig, a vibration test of the vibration test piece in the z direction can be realized, as shown in fig. 8.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (8)
1. The vibration clamp for one-to-two bombs is characterized by comprising a base (5), wherein a first support (3) and a second support (4) are arranged above the base (5), and the first support (3) and the second support (4) are mirror images, so that vibration tests in multiple directions are realized; the first bracket (3) and the second bracket (4) are provided with four corresponding curved surfaces on the whole body;
a cover plate (1) is arranged above the first support (3) and the second support (4);
apron (1) be axis symmetrical structure, and symmetrical structure also all sets up four curved surfaces, apron (1) curved surface and the curved surface looks adaptation of first support (3) and second support (4), the curved surface combination of apron (1) curved surface and first support (3) and second support (4) satisfy the overall dimension of vibration test piece together.
2. A vibration clamp for a two-drag bomb according to claim 1, wherein the first support (3) and the second support (4) are mounted with the cover plate (1) through a T-shaped block (2), and a vibration test piece is fixed through the first support (3), the second support (4) and the cover plate (1) so as to perform vibration test; the top ends of the first support (3) and the second support (4) are in a dovetail groove form, so that the first support and the second support are connected with the cover plate conveniently.
3. A vibration clamp for two-in-one ammunition according to claim 2, wherein the top end of the cover plate (1) is hollowed; reinforcing ribs are added on two sides of the cover plate (1).
4. A two-drag-spring vibration jig according to claim 2 wherein the material of the T-shaped block is selected from steel.
5. A vibration clamp for two-in-one bombs according to claim 1, wherein the base (5) is connected with the vibration table by screws, so that the vibration test is controlled by the vibration table; the base is connected with the first support and the second support through screws respectively.
6. A vibration clamp for two-in-one bombs according to claim 1, wherein the T-shaped block is in interference fit with a pin (6) with positioning function, and the pin blocks the T-shaped block from further going deep during assembly, so that the bolt hole of the cover plate is aligned with the hole site of the bolt hole of the T-shaped block, and the cover plate is conveniently connected with the first support and the second support through the T-shaped block.
7. The vibration clamp for two-in-one bombs according to claim 1, wherein the vibration clamp works in the following way: the base is connected with the vibration table, so that the vibration test is controlled by the vibration table; placing the vibration test piece on the curved surfaces of the first support and the second support, and connecting the first support and the second support with the cover plate through the T-shaped block, so as to fix two vibration test pieces at the same time and carry out vibration test; through dismantling T type piece for first support and second support are separated with the apron, change vibration test piece direction, accomplish the vibration test of three directions of vibration test piece x, y, z.
8. The vibration clamp for two-in-one bombs according to claim 1, wherein the vibration clamp realizes vibration tests of a vibration test piece in three directions of x, y and z, and specifically comprises: the T-shaped block (2) is disassembled, so that the first support (3) and the second support (4) are separated from the cover plate (1), the direction of a vibration test piece can be changed, and the direction of the base (5) of the one-to-two vibration clamp and the direction of the vibration table do not need to be changed; when the x direction of the vibration test piece is superposed with the y direction of the one-driving-two vibration clamp, the vibration test of the vibration test piece in the x direction and the y direction can be realized; when the x direction of the vibration test piece is coincident with the x direction of the one-driving-two vibration clamp, the z-direction vibration test of the vibration test piece can be realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210476505.XA CN114963896A (en) | 2022-04-29 | 2022-04-29 | Vibration clamp with two-in-one-drag-spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210476505.XA CN114963896A (en) | 2022-04-29 | 2022-04-29 | Vibration clamp with two-in-one-drag-spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114963896A true CN114963896A (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210476505.XA Pending CN114963896A (en) | 2022-04-29 | 2022-04-29 | Vibration clamp with two-in-one-drag-spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114963896A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5042306A (en) * | 1990-03-21 | 1991-08-27 | The United States Of America As Represented By The Department Of Energy | Multiple direction vibration fixture |
| US20080203637A1 (en) * | 2007-02-28 | 2008-08-28 | Shenzhen Futaihong Precision Industry Co., Ltd. | Clamping device for portable electronic device |
| RU2395784C1 (en) * | 2009-02-09 | 2010-07-27 | Открытое акционерное общество "Акционерная Компания "Туламашзавод" | Device to test ammunition for vibration resistance |
| CN205138749U (en) * | 2015-11-10 | 2016-04-06 | 上海无线电设备研究所 | Cylindrical radio equipment vibration device |
| US20170350787A1 (en) * | 2015-01-05 | 2017-12-07 | Zhejiang University | Three-dimensional standard vibrator based on aerostatic gas-floating decoupling device |
| CN109489926A (en) * | 2018-11-15 | 2019-03-19 | 北京航空航天大学 | A kind of guided missile segmented vibration test fixture and system |
| US20190316652A1 (en) * | 2018-04-11 | 2019-10-17 | Raytheon Company | Metal Isolator with Tunable Resonant Frequencies |
| CN112611529A (en) * | 2020-11-20 | 2021-04-06 | 南京航空航天大学 | Vibration test ability promotes anchor clamps |
| CN114166450A (en) * | 2021-10-25 | 2022-03-11 | 河北汉光重工有限责任公司 | Vibration tool and method for improving screening test efficiency of to-be-tested object |
-
2022
- 2022-04-29 CN CN202210476505.XA patent/CN114963896A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5042306A (en) * | 1990-03-21 | 1991-08-27 | The United States Of America As Represented By The Department Of Energy | Multiple direction vibration fixture |
| US20080203637A1 (en) * | 2007-02-28 | 2008-08-28 | Shenzhen Futaihong Precision Industry Co., Ltd. | Clamping device for portable electronic device |
| RU2395784C1 (en) * | 2009-02-09 | 2010-07-27 | Открытое акционерное общество "Акционерная Компания "Туламашзавод" | Device to test ammunition for vibration resistance |
| US20170350787A1 (en) * | 2015-01-05 | 2017-12-07 | Zhejiang University | Three-dimensional standard vibrator based on aerostatic gas-floating decoupling device |
| CN205138749U (en) * | 2015-11-10 | 2016-04-06 | 上海无线电设备研究所 | Cylindrical radio equipment vibration device |
| US20190316652A1 (en) * | 2018-04-11 | 2019-10-17 | Raytheon Company | Metal Isolator with Tunable Resonant Frequencies |
| CN109489926A (en) * | 2018-11-15 | 2019-03-19 | 北京航空航天大学 | A kind of guided missile segmented vibration test fixture and system |
| CN112611529A (en) * | 2020-11-20 | 2021-04-06 | 南京航空航天大学 | Vibration test ability promotes anchor clamps |
| CN114166450A (en) * | 2021-10-25 | 2022-03-11 | 河北汉光重工有限责任公司 | Vibration tool and method for improving screening test efficiency of to-be-tested object |
Non-Patent Citations (1)
| Title |
|---|
| 李根成等: "空空导弹可靠性试验振动应力研究", 《振动、测试与诊断》 * |
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Application publication date: 20220830 |