CN209800609U - two-dimensional vibration reduction platform - Google Patents
two-dimensional vibration reduction platform Download PDFInfo
- Publication number
- CN209800609U CN209800609U CN201822271245.4U CN201822271245U CN209800609U CN 209800609 U CN209800609 U CN 209800609U CN 201822271245 U CN201822271245 U CN 201822271245U CN 209800609 U CN209800609 U CN 209800609U
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- platform
- hole
- vibration
- ball groove
- damping
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- 238000013016 damping Methods 0.000 claims abstract description 51
- 230000035939 shock Effects 0.000 claims abstract description 33
- 239000006096 absorbing agent Substances 0.000 claims abstract description 31
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Abstract
the utility model relates to a damping technical field, concretely relates to two dimension damping platform. The utility model provides a pair of two dimension damping platform, include: the first platform is suitable for mounting vibration-isolated equipment and is provided with at least one first through hole, and a vibration absorber is arranged in each first through hole; the second platform is arranged at the lower part of the first platform and is provided with at least one second through hole; the connecting structure is provided with at least one connecting structure, and is used for penetrating through the shock absorber and the second through hole and connecting the first platform with the second platform; the ball encircles the axis of each first through-hole and is the circle setting, including setting up the first circle ball between the upper surface of first platform and connection structure to and set up the second circle ball between the lower surface of first platform and the upper surface of second platform. Through set up the shock absorber in first platform is inside, can guarantee to transmit the vibration on the plane of first platform all directly by the shock absorber damping, the damping is more timely, and the damping effect is better.
Description
Technical Field
The utility model relates to a damping technical field, concretely relates to two dimension damping platform.
Background
at present, a plurality of optical cameras or telescopes, especially applied products on satellites, need to have high precision in one direction, and vibration reduction can be realized in the other two directions, but the application environment is not considered in the design of a plurality of optical devices, so that interface products applied to the optical cameras and the satellites or other special environments are lacked, and the vibration reduction products based on the field are still insufficient.
The linear two-dimensional shockproof platform is designed through a linear sliding mechanism in two directions, namely, a sliding block in the X direction or the Y direction and a sliding rail are matched with a spring to realize shock absorption of seismic oscillation, but when the structure resists the two-dimensional shock, the displacement needs to be decomposed into the shock in the X direction and the Y direction, the shock absorption needs to be realized through the sliding of the sliding block on the sliding rail and the telescopic matching of the spring when the shock is applied temporarily, the whole shock on the two-dimensional plane cannot be eliminated in time, and the shock absorption effect is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the poor defect of two-dimensional damping platform damping effect among the prior art to a two-dimensional damping platform that the damping is effectual is provided.
a two-dimensional vibration damping platform comprising:
The vibration isolation device comprises a first platform, a second platform and a vibration isolation device, wherein the first platform is suitable for mounting vibration isolation equipment, at least one first through hole is formed in the first platform, and a vibration absorber is arranged in each first through hole;
The second platform is arranged at the lower part of the first platform, and at least one second through hole is formed in the second platform;
the connecting structure is provided with at least one connecting structure, and is used for penetrating through the shock absorber and the second through hole and connecting the first platform with the second platform;
the ball encircles each the axis of first through-hole is the circle and sets up, including setting up the upper surface of first platform with first round ball between the connection structure, and set up the lower surface of first platform with the second circle ball between the upper surface of second platform.
The first through holes are four and are respectively arranged at four corners of the first platform, and the second through holes are correspondingly provided with four.
The connection structure includes:
The connecting part is provided with an end plate and a shaft part, one end of the shaft part is connected with the end plate and is suitable for penetrating through the shock absorber, and the shaft part is provided with a connecting hole;
And the fastening piece penetrates through the second through hole and the connecting hole to connect the first platform with the second platform.
the connecting hole is a through hole, the fastener is a bolt, and the nut is connected with the bolt in a matched mode.
The lower surface of the end plate is provided with an annular first ball groove, the corresponding position of the upper surface of the first platform is provided with an annular second ball groove, and the first circle of balls are limited between the first ball groove and the second ball groove.
The connecting structure further comprises a base, the base is arranged on the upper portion of the second platform, a third through hole is formed in the base and is coaxial with the second through hole, an annular third ball groove is formed in the lower surface of the first platform, an annular fourth ball groove is formed in the corresponding position of the base, and the second ring of balls are limited between the third ball groove and the fourth ball groove.
The connecting structure further comprises a top plate, the top plate comprises a top and a side portion, the side portion extends downwards from the end portion of the top, the end plate is arranged inside the top plate, a fourth through hole is formed in the top, the fastener penetrates through the second through hole, the third through hole, the connecting hole and the fourth through hole to enable the first platform, the second platform, the base and the top plate to be connected.
The vibration damper is an annular metal vibration damper.
And the first platform is also provided with a connecting device for connecting the vibration-isolated equipment.
The vibration-isolated equipment is an optical camera or a telescope.
The utility model discloses technical scheme has following advantage:
1. The utility model provides a pair of two dimension damping platform, include: the vibration isolation device comprises a first platform, a second platform and a vibration isolation device, wherein the first platform is suitable for mounting vibration isolation equipment, at least one first through hole is formed in the first platform, and a vibration absorber is arranged in each first through hole; the second platform is arranged at the lower part of the first platform, and at least one second through hole is formed in the second platform; the connecting structure is provided with at least one connecting structure, and is used for penetrating through the shock absorber and the second through hole and connecting the first platform with the second platform; the ball encircles each the axis of first through-hole is the circle and sets up, including setting up the upper surface of first platform with first round ball between the connection structure, and set up the lower surface of first platform with the second circle ball between the upper surface of second platform. Through set up the shock absorber in first platform is inside, can guarantee that the vibration that transmits to on the plane of first platform place all can directly be damped by the shock absorber, the damping is more timely, and the damping effect is better, and then has guaranteed to install on first platform by the timely damping of vibration isolation equipment, through all setting up the ball with the upper and lower surface of first platform, has guaranteed the rigidity of damping platform in another side in space, and makes first platform can remove on the plane at its place, guarantees the certain degree of freedom of horizontal direction.
2. The utility model provides a pair of two-dimensional damping platform, first through-hole is four, sets up respectively four angle departments of first platform, the second through-hole correspondence should be equipped with four. Through all setting up first through-hole and second through-hole in four corners departments of platform, both make the vibration that transmits to on the first platform can be even fall by the shock absorber damping, guarantee better damping effect, make the weight of whole damping platform lighter again.
3. The utility model provides a pair of two-dimensional damping platform, connection structure includes: the connecting part is provided with an end plate and a shaft part, one end of the shaft part is connected with the end plate and is suitable for penetrating through the shock absorber, and the shaft part is provided with a connecting hole; and the fastening piece penetrates through the second through hole and the connecting hole to connect the first platform with the second platform. The connecting part penetrating through the shaft part is arranged in the shock absorber, so that the vibration transmitted to the shock absorber can be resisted by the connecting part when the shock absorber deforms, the vibration displacement on the plane where the first platform is located cannot be too large, and a better shock absorption effect is further ensured; the first platform and the second platform are connected together through the fasteners, so that the whole vibration reduction platform is compact in structure.
4. the utility model provides a pair of two-dimensional damping platform, the lower surface of end plate is equipped with annular first ball groove, the corresponding position department of the upper surface of first platform is equipped with annular second ball groove, first round ball is spacing first ball groove with between the second ball groove. Carry on spacingly with the ball through setting up the ball groove, guarantee in the damping, the ball can not run in disorder, and then guarantees the ascending rigidity demand in another side in space.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an assembly structure of a two-dimensional vibration damping platform and a vibration-isolated device according to the present invention;
FIG. 2 is a sectional view of the assembly structure of the two-dimensional vibration damping platform and the vibration isolation device of the present invention;
Fig. 3 is an exploded view of the assembly of the two-dimensional vibration damping platform and the vibration isolation device of the present invention.
Description of reference numerals:
1-a first platform; 2-a second platform; 3-a linking structure; 4-first ring of balls; 5-second ring of balls; 6-a first via; 7-a second via; 8-a shock absorber; 9-an end plate; 10-shaft part; 11-a fastener; 12-a first ball groove; 13-a second ball groove; 14-a third ball groove; 15-a fourth ball groove; 16-a base; 17-top disk; 18-a connecting means; 19-equipment to be vibration isolated.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 3, the present embodiment provides a two-dimensional vibration damping platform, including: first platform 1, second platform 2, connection structure 3 and ball.
The vibration isolation device comprises a first platform 1, a vibration isolation device 19, a vibration absorber 8 and a vibration isolation device, wherein the first platform 1 is suitable for being provided with the vibration isolation device, at least one first through hole 6 is formed in the first platform 1, and the vibration absorber 8 is arranged in each first through hole 6; the second platform 2 is arranged at the lower part of the first platform 1, and at least one second through hole 7 is formed in the second platform; the connecting structure 3 is provided with at least one connecting structure, is used for penetrating through the shock absorber 8 and the second through hole 7 and connecting the first platform 1 with the second platform 2; the balls are arranged in a ring around the axis of each first through hole 6 and comprise a first ring of balls 4 arranged between the upper surface of the first platform 1 and the connecting structure 3 and a second ring of balls 5 arranged between the lower surface of the first platform 1 and the upper surface of the second platform 2. Through at the inside shock absorber 8 that sets up of first platform 1, can guarantee to transmit the vibration on the plane of first platform 1 place all directly by the shock absorber 8 damping, the damping is more timely, and the damping effect is better, and then guaranteed to install on first platform 1 by the timely damping of vibration isolation equipment 19, all set up the ball through the upper and lower surface with first platform 1, guaranteed the rigidity of damping platform in another side in space, and make first platform 1 can remove on the plane at its place, guarantee the certain degree of freedom of horizontal direction.
Specifically, the number of the first through holes 6 in this embodiment is four, and the first through holes are respectively disposed at four corners of the first platform 1, the number of the second through holes 7 is four, and the number of the connecting structures 3 is four. Through all setting up first through-hole 6 and second through-hole 7 in four corners departments of platform, both make the vibration that transmits to on the first platform 1 can be even fall by 8 damping of shock absorbers, guarantee better damping effect, make the weight of whole damping platform lighter again. As an alternative embodiment, the first through hole 6 may be a through hole extending outward as much as possible with the center of the first platform 1 as the center of the circle; or, the number of the first through holes 6 is two, three, or more, that is, as long as the first through holes 6 are uniformly distributed on the first platform 1, the vibration on the first platform 1 can be uniformly damped, and a good damping effect is ensured.
The connection structure 3 in the present embodiment includes: a connecting part having an end plate 9 and a shaft part 10 having one end connected to the end plate 9 and adapted to pass through the damper 8, the shaft part 10 being provided with a connecting hole; and the fastener 11 passes through the second through hole 7 and the connecting hole to connect the first platform 1 with the second platform 2. The connecting part penetrating through the shaft part 10 is arranged in the shock absorber 8, so that the vibration transmitted to the shock absorber 8 can be resisted by the connecting part when the shock absorber 8 deforms, the vibration displacement on the plane where the first platform 1 is located is not too large, and a good shock absorption effect is further ensured; the first platform 1 and the second platform 2 are connected together through the fasteners 11, so that the whole vibration damping platform is compact in structure.
specifically, the connection hole in this embodiment is a through hole, the fastening member 11 is a bolt, and a nut that is connected to the bolt in a fitting manner is further included. In an alternative embodiment, the fastening member 11 may be a screw, and may further include a nut coupled to the screw.
In this embodiment, the lower surface of the end plate 9 is provided with an annular first ball groove 12, the corresponding position of the upper surface of the first platform 1 is provided with an annular second ball groove 13, and the first ring of balls 4 is limited between the first ball groove 12 and the second ball groove 13. Carry on spacingly with the ball through setting up the ball groove, guarantee in the damping, the ball can not run in disorder, and then guarantees the ascending rigidity demand in another side in space.
the connecting structure 3 in this embodiment further includes a base 16, the base 16 is disposed on the upper portion of the second platform 2, a third through hole coaxially disposed with the second through hole 7 is disposed on the base 16, an annular third ball groove 14 is disposed on the lower surface of the first platform 1, an annular fourth ball groove 15 is disposed at a position corresponding to the base 16, and the second ring of balls 5 is limited between the third ball groove 14 and the fourth ball groove 15. As an alternative embodiment, the connection structure 3 does not include the base 16, but a groove is provided on the upper surface of the second platform 2, the groove is coaxially provided with the second through hole 7, and the groove is provided with an annular fourth ball groove 15.
The connecting structure 3 in this embodiment further includes a top plate 17, the top plate 17 includes a top portion and a side portion extending downward from an end of the top portion, the end plate 9 is disposed inside the top plate 17, the top portion is provided with a fourth through hole, and the fastener 11 penetrates through the second through hole 7, the third through hole, the connecting hole and the fourth through hole to connect the first platform 1, the second platform 2, the base and the top plate 17. Set up the top dish 17 through connection structure 3's top, the bottom sets up base 16, all sets up connecting portion, bumper shock absorber and ball between top dish 17 and base 16, has both played and has connected each part as a holistic effect, has guaranteed the pleasing to the eye degree of outward appearance again. As an alternative embodiment, the connection structure 3 may not comprise the top plate 17.
Specifically, the damper 8 in this embodiment is an annular metal damper, the first platform 1 and the second platform 2 are metal plates, and the connecting portion is made of a metal material. As an alternative embodiment, the damper 8 may also be another damper in the form of a ring.
in this embodiment, the first platform 1 is further provided with connecting devices 18 for connecting devices 19 to be vibration isolated, the connecting devices 18 are arranged at four corners of the first platform 1 and are adjacent to the first through holes 6, and the two-dimensional vibration attenuation platform and the devices 19 to be vibration isolated are connected into a whole through the connecting devices 18.
Specifically, the vibration-isolated device 19 in the present embodiment is an optical camera, and preferably, the vibration-isolated device is an optical camera applied to a satellite, and when the device is used in outer space, the device is subjected to vibration from the bottom, and vibration attenuation of the vibration-isolated device 19 mounted on the two-dimensional vibration attenuation platform in the horizontal direction and vibration transmission in the vertical direction are ensured through vibration attenuation of the two-dimensional vibration attenuation platform. As an alternative embodiment, the device 19 to be isolated may be a telescope, in particular a telescope used in a satellite, or a product used in other special environments, which product needs to have a certain stiffness in one direction and to be able to achieve vibration damping in another two-dimensional direction.
When the two-dimensional vibration reduction platform is applied to an optical product on a satellite, the two-dimensional vibration reduction platform can meet the requirement of certain rigidity in the vertical direction, the two-dimensional plane in the horizontal direction can realize vibration reduction, the horizontal direction and the vertical direction are respectively realized by adopting independent mechanisms, the horizontal direction is matched with a metal vibration reducer, the vibration displacement is controlled, meanwhile, additional damping meets the performance requirement, the displacement is limited by a positioning ball in the vertical direction, and the one-to-one transmission of vibration is ensured.
when the two-dimensional vibration reduction platform is applied to an optical camera on a satellite, the structure can be customized according to satellite optical equipment, the maximum platform size can be 150mm x 30mm, in performance, the vertical vibration displacement amount is 0.01 mm-0.02 mm, the vibration displacement amount in two horizontal directions is 0.5mm, the weight can be very small, the weight of a single platform can be smaller than 1kg, and the minimum weight can reach 0.5 kg.
it should be understood that the above examples are only for clarity of illustration 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 can be made without departing from the scope of the invention.
Claims (10)
1. A two-dimensional vibration damping platform, comprising:
The vibration isolation device comprises a first platform (1), a vibration isolation device (19) and a vibration absorber, wherein the first platform (1) is suitable for being provided with the vibration isolation device, at least one first through hole (6) is formed in the first platform (1), and a vibration absorber (8) is arranged in each first through hole (6);
The second platform (2) is arranged at the lower part of the first platform (1) and is provided with at least one second through hole (7);
The connecting structure (3) is provided with at least one connecting structure, penetrates through the shock absorber (8) and the second through hole (7) and is used for connecting the first platform (1) and the second platform (2);
The balls are arranged in a ring mode around the axis of each first through hole (6) and comprise a first ring of balls (4) arranged between the upper surface of the first platform (1) and the connecting structure (3) and a second ring of balls (5) arranged between the lower surface of the first platform (1) and the upper surface of the second platform (2).
2. A two-dimensional vibration damping platform according to claim 1, wherein said first through holes (6) are four and are respectively arranged at four corners of said first platform (1), and said second through holes (7) are correspondingly four.
3. Two-dimensional vibration damping platform according to claim 1, characterized in that said connection structure (3) comprises:
The connecting part is provided with an end plate (9) and a shaft part (10) with one end connected with the end plate (9) and suitable for penetrating through the shock absorber (8), and a connecting hole is arranged on the shaft part (10);
And the fastener (11) penetrates through the second through hole (7) and the connecting hole to connect the first platform (1) and the second platform (2).
4. A two-dimensional vibration damping platform according to claim 3, wherein said attachment holes are through holes and said fasteners (11) are bolts, further comprising nuts for mating attachment to the bolts.
5. A two-dimensional vibration damping platform according to claim 3, characterized in that the lower surface of the end plate (9) is provided with an annular first ball groove (12), and the corresponding position of the upper surface of the first platform (1) is provided with an annular second ball groove (13), and the first ring of balls (4) is limited between the first ball groove (12) and the second ball groove (13).
6. A two-dimensional vibration damping platform according to claim 3, wherein the connecting structure (3) further comprises a base (16), the base (16) is arranged on the upper portion of the second platform (2), a third through hole coaxial with the second through hole (7) is arranged on the base (16), an annular third ball groove (14) is arranged on the lower surface of the first platform (1), an annular fourth ball groove (15) is arranged at a corresponding position of the base (16), and the second ring of balls (5) are limited between the third ball groove (14) and the fourth ball groove (15).
7. The two-dimensional vibration damping platform according to claim 6, wherein the connecting structure (3) further comprises a top plate (17), the top plate (17) comprises a top portion and a side portion extending downward from the end portion of the top portion, the end plate (9) is arranged inside the top plate (17), a fourth through hole is arranged on the top portion, and the fastener (11) penetrates through the second through hole (7), the third through hole, the connecting hole and the fourth through hole to connect the first platform (1), the second platform (2), the base (16) and the top plate (17).
8. A two-dimensional damping platform according to claim 1, characterized in that the damper (8) is an annular metal damper.
9. A two-dimensional vibration damping platform according to any of claims 1-8, wherein the first platform (1) is further provided with connection means (18) for connection to a device (19) to be vibration isolated.
10. A two-dimensional vibration-damped platform according to claim 9, wherein the vibration-isolated device (19) is an optical camera or a telescope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271245.4U CN209800609U (en) | 2018-12-29 | 2018-12-29 | two-dimensional vibration reduction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271245.4U CN209800609U (en) | 2018-12-29 | 2018-12-29 | two-dimensional vibration reduction platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800609U true CN209800609U (en) | 2019-12-17 |
Family
ID=68819393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822271245.4U Withdrawn - After Issue CN209800609U (en) | 2018-12-29 | 2018-12-29 | two-dimensional vibration reduction platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578502A (en) * | 2018-12-29 | 2019-04-05 | 北京星际荣耀空间科技有限公司 | Two-dimentional vibration reduction platform |
-
2018
- 2018-12-29 CN CN201822271245.4U patent/CN209800609U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578502A (en) * | 2018-12-29 | 2019-04-05 | 北京星际荣耀空间科技有限公司 | Two-dimentional vibration reduction platform |
| CN109578502B (en) * | 2018-12-29 | 2024-04-02 | 北京星际荣耀空间科技股份有限公司 | Two-dimensional vibration reduction platform |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100045 1-14-214, 2nd floor, 136 Xiwai street, Xicheng District, Beijing Patentee after: Beijing Star glory Space Technology Co.,Ltd. Address before: 100176 329, 3rd floor, building 1, No. 9, Disheng South Street, Yizhuang Economic and Technological Development Zone, Daxing District, Beijing Patentee before: BEIJING I-SPACE TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191217 Effective date of abandoning: 20240402 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191217 Effective date of abandoning: 20240402 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |