CN207662587U - A kind of clamp for vibration test of Gas-tank for shuttles - Google Patents
A kind of clamp for vibration test of Gas-tank for shuttles Download PDFInfo
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- CN207662587U CN207662587U CN201721536843.9U CN201721536843U CN207662587U CN 207662587 U CN207662587 U CN 207662587U CN 201721536843 U CN201721536843 U CN 201721536843U CN 207662587 U CN207662587 U CN 207662587U
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- gas
- shuttles
- tank
- vibration
- plate
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Abstract
The utility model discloses a kind of clamp for vibration test of Gas-tank for shuttles, including hollow jig main body, the top plate of circular ring shape and the bottom plate of circular ring shape are respectively provided at the top and bottom of the jig main body；The bottom plate is connected with a shake table stage body；Circular cover board there are one being fixedly connected at the top of the top plate；Adapter there are one being fixedly connected at the top of the cover board；There are one mounting plates be mutually parallel with the bottom plate, circular for the jig main body lower inside surface fixed setting, and the position between the mounting plate and the adapter is used to place the Gas-tank for shuttles for needing to be clamped.The utility model all can grip Gas-tank for shuttles securely on axially and radially, meet clamping demand when carrying out axial vibration experiment and radial vibration experiment to Gas-tank for shuttles, and the ability that can allow user that Gas-tank for shuttles is reliably examined to bear axial vibration and radial vibration environment.
Description
Technical field
The utility model is related to vibration test technical fields, are pressed from both sides more particularly to a kind of vibration test of Gas-tank for shuttles
Tool.
Background technology
Currently, Gas-tank for shuttles is mainly used in the propulsion system of spacecraft, fluid management system etc., function be for
High pressure gas is stored and provided to different system.
In order to examine whether Gas-tank for shuttles has the ability of various vibration environments of bearing, need to carry out vibration test to it,
Ensure its reliability and stability during use.
Currently, for cylindrical Gas-tank for shuttles, the vibration test of progress is mainly horizontal test, i.e. the axis of Gas-tank for shuttles
Line is oriented parallel to the table top of shake table, at the trial, is individually fixed in the rear and front end of Gas-tank for shuttles by vibration tong
On vibration table surface.
It is vertical state when user requires its vibration test sometimes, due to the boat having but for existing Gas-tank for shuttles
Its gas cylinder is up to 1600mm, and therefore, corresponding test fixture design size is accordingly higher, leads to traditional L-shaped vibration test
With fixture since rigidity is very weak, user is cannot be satisfied when carrying out vibration test, and the single order proposed to the fixture of Gas-tank for shuttles shakes
Dynamic frequency must not be less than the requirement of default vibration test frequency (such as 300Hz), and therefore, the fixture of existing Gas-tank for shuttles can not
The ability for allowing user that Gas-tank for shuttles is reliably examined to bear axial vibration and radial vibration environment.
Utility model content
It, can be in view of this, the purpose of this utility model is to provide a kind of clamp for vibration test of Gas-tank for shuttles
All Gas-tank for shuttles is gripped securely on axially and radially, meets and axial vibration experiment and diameter is carried out to Gas-tank for shuttles
Clamping demand when to vibration test, and user can be allowed reliably Gas-tank for shuttles to be examined to bear axial vibration and radial vibration
The ability of environment is conducive to widely apply, be of great practical significance.
For this purpose, the utility model provides a kind of clamp for vibration test of Gas-tank for shuttles, including hollow jig main body,
The top plate of circular ring shape and the bottom plate of circular ring shape are respectively provided at the top and bottom of the jig main body；
The bottom plate is connected with a shake table stage body；
Circular cover board there are one being fixedly connected at the top of the top plate；
Adapter there are one being fixedly connected at the top of the cover board；
There are one installations be mutually parallel with the bottom plate, circular for the jig main body lower inside surface fixed setting
Plate, the position between the mounting plate and the adapter are used to place the Gas-tank for shuttles for needing to be clamped.
Wherein, the center of the cover board has annular portion embedded hole；
Accordingly, the adapter includes flange portion and annular portion, and the annular portion is located at the bottom surface of the flange portion simultaneously
And be embedded into the annular portion embedded hole, it is fixedly connected at the top of the flange portion and the cover board；
It is fixedly connected with the bottom of the Gas-tank for shuttles at the top of the mounting plate, the annular portion is placed on the Gas-tank for shuttles
Top cylindrical face on.
Wherein, the surrounding outer wall of the jig main body is arranged at intervals with multiple circular holes from top to bottom.
Wherein, multiple reinforcing ribs are distributed with along spaced radial in the mounting plate.
Wherein, when needing to carry out radial vibration experiment to Gas-tank for shuttles, the bottom plate is mounted on a horizontal slide unit
Slide plate top surface, the left end of the slide plate is connected with the vibration output end of the shake table stage body；
The vibration output end of the shake table stage body is located at the front-left of the bottom plate；
The slide plate can left and right horizontal be slidably arranged in the slide unit main body that horizontal slide unit lower part has.
Wherein, when needing to carry out axial vibration experiment to Gas-tank for shuttles, the bottom of the bottom plate by an expanding table with
The vibration output end of the shake table stage body is connected；
The vibration output end of the shake table stage body is located at the underface of the bottom plate.
By the above technical solution provided by the utility model as it can be seen that compared with prior art, the utility model provides
It is solid all can to carry out clamping securely on axially and radially to Gas-tank for shuttles for a kind of clamp for vibration test of Gas-tank for shuttles
It is fixed, meet clamping demand when carrying out axial vibration experiment and radial vibration experiment to Gas-tank for shuttles, and can allow user can
The ability that Gas-tank for shuttles bears axial vibration and radial vibration environment is examined by ground, is conducive to widely apply, is had great
Production practices meaning.
Description of the drawings
Fig. 1 is a kind of front view of the clamp for vibration test of Gas-tank for shuttles provided by the utility model；
Fig. 2 is that a kind of clamp for vibration test of Gas-tank for shuttles provided by the utility model is not including cover board and adapter
When dimensional structure diagram；
Fig. 3 is a kind of upward view of the clamp for vibration test of Gas-tank for shuttles provided by the utility model；
Fig. 4 is right side when a kind of longitudinal direction of the clamp for vibration test of Gas-tank for shuttles provided by the utility model is splitted
The dimensional structure diagram divided；
Fig. 5 is a kind of stereochemical structure signal of clamp for vibration test cover plate of Gas-tank for shuttles provided by the utility model
Figure；
Fig. 6 is that the stereochemical structure of adapter in a kind of clamp for vibration test of Gas-tank for shuttles provided by the utility model is shown
It is intended to；
Fig. 7 is a kind of space flight being clamped required for a kind of clamp for vibration test of Gas-tank for shuttles provided by the utility model
The dimensional structure diagram of gas cylinder；
Fig. 8 is a kind of clamp for vibration test of Gas-tank for shuttles provided by the utility model after clamping Gas-tank for shuttles,
Coordinate front view when carrying out radial vibration experiment with shake table stage body；
Fig. 9 is a kind of clamp for vibration test of Gas-tank for shuttles provided by the utility model after clamping Gas-tank for shuttles,
Coordinate front view when carrying out axial vibration experiment with shake table stage body；
In figure, 1 is jig main body, and 10 be bottom plate, and 11 be top plate, and 12 be circular hole；
2 be cover board, and 20 be annular portion embedded hole；
3 be adapter, and 31 be flange portion, and 32 be annular portion, and 4 be Gas-tank for shuttles, and 5 be shake table stage body, and 7 be expanding table；
6 be horizontal slide unit, and 60 be slide plate, and 61 be slide unit main body；
8 be mounting plate, and 80 be reinforcing rib.
Specific implementation mode
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and embodiment
The utility model is described in further detail.
Referring to Fig. 1 to Fig. 9, the utility model provides a kind of clamp for vibration test of Gas-tank for shuttles, is mainly used for
All Gas-tank for shuttles is gripped securely on axially and radially, meets and axial vibration experiment and diameter is carried out to Gas-tank for shuttles
Clamping demand when to vibration test.The fixture includes hollow jig main body 1, the top and bottom point of the jig main body 1
It Ju You not the top plate 11 of circular ring shape and the bottom plate 10 of circular ring shape；
The bottom plate 10 is connect with shake table stage body 5；
The top of the top plate 11 is fixedly connected there are one circular cover board 2；
The top of the cover board 2 is fixedly connected there are one adapter 3；
Installation that the fixed setting of 1 lower inside surface of the jig main body is mutually parallel there are one the bottom plate 10, circular
Plate 8, the position between the mounting plate 8 and the adapter 3 are used to place the Gas-tank for shuttles 4 for needing to be clamped.
It should be noted that since the bottom plate 10 is connect with shake table stage body 5, by bottom plate 10, can will shake
The vibrating machine energy of dynamic 5 output of platform stage body passes to the Gas-tank for shuttles 4 placed in jig main body 1.
In the present invention, in specific implementation, together referring to Fig. 5, Fig. 6, the center of the cover board 2 has annulus
Portion's embedded hole 20；
Accordingly, the adapter 3 includes flange portion 31 and annular portion 32, and the annular portion 32 is located at the flange portion 31
Bottom surface and be embedded into the annular portion embedded hole 20, the flange portion 31 be fixedly connected with the top of the cover board 2 (tool
Body is the connection that is screwed)；
8 top of the mounting plate is fixedly connected with the bottom of the Gas-tank for shuttles 4, and the annular portion 32 is placed on the space flight
On the top cylindrical face of gas cylinder 4, i.e., the described Gas-tank for shuttles 4 is located at the position between 8 top of the mounting plate and the annular portion 32
It sets.
It should be noted that shape, the size phase of the shape of the annular portion 32, size and 4 top of the Gas-tank for shuttles
Therefore Corresponding matching can play Gas-tank for shuttles 4 guiding and be made for the utility model by the annular portion 32 of adapter 3
With can ensure the verticality of Gas-tank for shuttles 4, ensure that Gas-tank for shuttles 4 is disposed vertically.
In addition, due to being fixedly connected with the bottom of the Gas-tank for shuttles 4 at the top of the mounting plate 8, the utility model
Reliably fixed and constraint can be carried out to the Gas-tank for shuttles 4 of vertical mode.In the present invention, in specific implementation, together
Referring to Fig. 2, the surrounding outer wall of the jig main body 1 is arranged at intervals with four circular holes 12 from top to bottom.It, can be with by the circular hole 12
The case where observing Gas-tank for shuttles 4 in jig main body 1, and realize the test cable of measuring point connection and outside on Gas-tank for shuttles 4
Vibration controller, the cabling between deformeter.
It should be noted that the shape of the circular hole 12, size and number can accordingly be adjusted according to the needs of user
It is whole.
In the present invention, in specific implementation, together referring to Fig. 3, the mounting plate 8 is distributed with more along spaced radial
A reinforcing rib 80, to which by reinforcing rib 80, the rigidity of mounting plate 8 can be improved, and then improve the fixture of the utility model
Overall stiffness.
In order to which the technical solution of the utility model is more clearly understood, illustrate space flight gas provided by the utility model below
The main body installation process of the clamp for vibration test of bottle, it is specific as follows：
First, jig main body 1 is erected, then vertically hangs in Gas-tank for shuttles 4 in jig main body 1 by vertical state；
Then, from the lower section of jig main body 1, the flange in the bottom of Gas-tank for shuttles 4 and mounting plate 8 are subjected to the company of being screwed
It connects；
Then, cover board 2 is mounted on the top plate 11 of vibration test fixture 1；
Then, then by adapter 3 it is placed on the cylindrical surface at the top of Gas-tank for shuttles 4, and by the bottom edge of adapter 3
It is screwed and connect with cover board 2；
Finally, jig main body 1 is lifted to together with cover board 2, adapter 3, Gas-tank for shuttles 4 near shake table stage body 5.This
When, it can correspondingly carry out radially or axially vibration test according to shown in Fig. 8, Fig. 9.
In the present invention, in specific implementation, together referring to Fig. 8, when needing to carry out radial vibration examination to Gas-tank for shuttles 4
When testing, the bottom plate 10 is mounted on 60 top surface of slide plate of a horizontal slide unit 6, the left end of the slide plate 60 and the shake table
The vibration output end of stage body 5 is connected；At this point, the vibration output end of the shake table stage body 5 is located at a positive left side for the bottom plate 10
Side；
The slide plate 60 can left and right horizontal be slidably arranged in the slide unit main body 61 that 6 lower part of horizontal slide unit has
(such as the hydrostatic bearing that the bottom of slide plate 60 is distributed by horizontal cross is connected with the top surface of the slide unit main body 61).
In the present invention, in specific implementation, together referring to Fig. 9, when needing to carry out axial vibration examination to Gas-tank for shuttles 4
When testing, the bottom of the bottom plate 10 is connected by an expanding table 7 with the vibration output end of the shake table stage body 5, at this point,
The vibration output end of the shake table stage body 5 is located at the underface of the bottom plate 10.
It should be noted that the vibration output end of the shake table stage body 5 can be adjusted according to the needs of user towards position
It sets, carries out the adjustment of horizontality or plumbness.
In specific implementation, the shake table stage body 5 can be it is existing any one disclosure satisfy that 10 installation dimension of bottom plate
And experiment thrust, can horizontality or plumbness adjustment testing stand.For example, the shake table stage body 5 can be
The electrodynamic vibration shaker of the model H3580A of Beijing Space Xi Er measuring technologies Co., Ltd production.
It should be noted that for cylindrical Gas-tank for shuttles, stock size is larger, such as can be up to 1600mm
(millimeter), at this time, if using traditional L-type fixture of corresponding size, the rigidity of traditional L-type fixture is very weak, Wu Faman
Grip demand of the foot when carrying out axial vibration experiment and radial vibration experiment to Gas-tank for shuttles (carries out axis to Gas-tank for shuttles
When being tested to vibration test and radial vibration, it is desirable that the single order vibration frequency of fixture reaches 300 hertz, and the one of L-shaped fixture
Rank vibration frequency is usually no more than 150 hertz).And fixture provided by the utility model, due to using bevel-type fixed form come pair
Cylindrical Gas-tank for shuttles upper and lower ends are fixed, and rigidity is high, all can carry out jail to Gas-tank for shuttles on axially and radially
Admittedly be clamped, its final single order vibration frequency can reach 300 hertz, meet user when carrying out vibration test, to space flight gas
The single order vibration frequency that the fixture of bottle proposes must not be less than the requirement of default vibration test frequency (such as 300Hz).
For the clamp for vibration test of Gas-tank for shuttles provided by the utility model, the very high (example of size can be suitable for
Such as larger than be equal to 1600 millimeters) Gas-tank for shuttles vibration test, and rigid high, the power in terms of being vibrated well
Learn environmental performance experiment.
In conclusion compared with prior art, a kind of vibration test folder of Gas-tank for shuttles provided by the utility model
Tool, all can grip Gas-tank for shuttles securely on axially and radially, meet and carried out axially to Gas-tank for shuttles
Clamping demand when vibration test and radial vibration are tested, and can allow user that Gas-tank for shuttles is reliably examined to bear axial shake
Dynamic and radial vibration environment ability, is conducive to widely apply, be of great practical significance.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of clamp for vibration test of Gas-tank for shuttles, which is characterized in that including hollow jig main body (1), the fixture
The top plate (11) of circular ring shape and the bottom plate (10) of circular ring shape are respectively provided at the top and bottom of main body (1)；
The bottom plate (10) is connected with a shake table stage body (5)；
Circular cover board (2) there are one being fixedly connected at the top of the top plate (11)；
Adapter (3) there are one being fixedly connected at the top of the cover board (2)；
There are one peaces be mutually parallel with the bottom plate (10), circular for jig main body (1) the lower inside surface fixed setting
Loading board (8), the position between the mounting plate (8) and the adapter (3) are used to place the Gas-tank for shuttles (4) for needing to be clamped.
2. the clamp for vibration test of Gas-tank for shuttles as described in claim 1, which is characterized in that the center of the cover board (2)
Position has annular portion embedded hole (20)；
Accordingly, the adapter (3) includes flange portion (31) and annular portion (32), and the annular portion (32) is located at the flange
The bottom surface in portion (31) and it is embedded into the annular portion embedded hole (20), the top of the flange portion (31) and the cover board (2)
Portion is fixedly connected；
It is fixedly connected with the bottom of the Gas-tank for shuttles (4) at the top of the mounting plate (8), the annular portion (32) is placed on the boat
On the top cylindrical face of its gas cylinder (4).
3. the clamp for vibration test of Gas-tank for shuttles as described in claim 1, which is characterized in that the jig main body (1)
Surrounding outer wall is arranged at intervals with multiple circular holes (12) from top to bottom.
4. the clamp for vibration test of Gas-tank for shuttles as claimed any one in claims 1 to 3, which is characterized in that the peace
Multiple reinforcing ribs (80) are distributed with along spaced radial in loading board (8).
5. the clamp for vibration test of Gas-tank for shuttles as claimed any one in claims 1 to 3, which is characterized in that work as needs
When carrying out radial vibration experiment to Gas-tank for shuttles (4), the bottom plate (10) is mounted on the slide plate (60) of a horizontal slide unit (6)
Top surface, the left end of the slide plate (60) are connected with the vibration output end of the shake table stage body (5)；
The vibration output end of the shake table stage body (5) is located at the front-left of the bottom plate (10)；
The slide plate (60) can left and right horizontal be slidably arranged in the slide unit main body (61) that horizontal slide unit (6) lower part has
On.
6. the clamp for vibration test of Gas-tank for shuttles as described in claim 1, which is characterized in that need to Gas-tank for shuttles (4)
When carrying out axial vibration experiment, the bottom of the bottom plate (10) is shaken by an expanding table (7) and shake table stage body (5)
Dynamic output end is connected；
The vibration output end of the shake table stage body (5) is located at the underface of the bottom plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721536843.9U CN207662587U (en) | 2017-11-17 | 2017-11-17 | A kind of clamp for vibration test of Gas-tank for shuttles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721536843.9U CN207662587U (en) | 2017-11-17 | 2017-11-17 | A kind of clamp for vibration test of Gas-tank for shuttles |
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| Publication Number | Publication Date |
|---|---|
| CN207662587U true CN207662587U (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721536843.9U Active CN207662587U (en) | 2017-11-17 | 2017-11-17 | A kind of clamp for vibration test of Gas-tank for shuttles |
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| CN (1) | CN207662587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907288A (en) * | 2017-11-17 | 2018-04-13 | 天津航天瑞莱科技有限公司 | A kind of clamp for vibration test of Gas-tank for shuttles |
-
2017
- 2017-11-17 CN CN201721536843.9U patent/CN207662587U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907288A (en) * | 2017-11-17 | 2018-04-13 | 天津航天瑞莱科技有限公司 | A kind of clamp for vibration test of Gas-tank for shuttles |
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