CN206243513U - Encircling type is adjustable install pointing accuracy sensor damping frame - Google Patents
Encircling type is adjustable install pointing accuracy sensor damping frame Download PDFInfo
- Publication number
- CN206243513U CN206243513U CN201621072468.2U CN201621072468U CN206243513U CN 206243513 U CN206243513 U CN 206243513U CN 201621072468 U CN201621072468 U CN 201621072468U CN 206243513 U CN206243513 U CN 206243513U
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- CN
- China
- Prior art keywords
- screw rod
- adjusting screw
- support base
- eneireling hoop
- hoop
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Vibration Prevention Devices (AREA)
Abstract
The utility model belongs to spacecraft field of structural design, and in particular to the commissioning of spacecraft sensor pointing accuracy and the Auxiliary support and vibration damping of end.Encircling type is adjustable install pointing accuracy sensor damping frame, it includes:Eneireling hoop and adjustment bearing;Adjustment bearing includes:Adjusting screw rod, support base and anti-avulsion screw with locking nut;One end of adjusting screw rod is provided with spanner, and the other end is arranged in the annular groove on support base inner face by anti-avulsion screw;The outer face of support base is provided with silica gel damping pad B;Adjustment bearing is arranged on the screwed hole of eneireling hoop by its adjusting screw rod.The utility model carries out Auxiliary support by the end to sensor, and sensor is changed into the installation form of freely-supported by the installation form of cantilever, to improve sensor mechanical environment, improves the stability installed;In the spacecraft accurate measurement stage, can realize that sensor points to the precision commissioning of axle.
Description
Technical field
The utility model belongs to spacecraft field of structural design, and in particular to the tune of spacecraft sensor pointing accuracy
Survey and the Auxiliary support and vibration damping of end.
Background technology
With the development of space science technology, for requirement also more and more higher, the especially space flight of spacecraft ability level
Device platform requires the dimension of sensor mounting stability to the improvement of the equipment mechanical environment that installs instruments and to being pointed to high accuracy
Hold ability.Spacecraft inevitably will be through mechanics such as vibrated, impact and noises in ground experiment and emission process is undergone
Environment, as the basic constraint of spacecraft structure design, governs spacecraft platform towards high accuracy, high stable row all the time
The process of development.To improve dynamic mechanical environment of the spacecraft platform to the equipment of installing instruments, major way is total in spacecraft
The vibratory response that can suppress or reduction equipment is installed is made every effort to during installing meter, so as to improve instrument and equipment resistance spacecraft
The ability of launching phase overload, installation and lineup precision of the more preferable maintenance equipment in the ground general assembly stage.
Suppress or the method for lowering apparatus vibration equipment response mainly includes:Active vibration suppression, passive vibration suppression
With mixing vibration suppressor mode, and in the Vibration Absorption Designing of spacecraft platform mainly use passive vibration suppression mode.Passively shake
The dynamic energy dissipation mechanism for suppressing to be driven using extra power, structure design is simple, be easily achieved, reliability is high.
Damping frame is to carry out instrument and equipment during spacecraft is designed to install the important knot that vibratory response suppresses and reduces
Configuration formula, the design of existing damping frame is main in the form of damping shock absorber is aided with instrument and equipment mounting platform, this kind of to subtract
The support that shakes is installed for the equipment of great type has good vibration suppressioning effect, large-scale deployable antenna, spacecraft master in space
It is main in the form of damping shock absorber in the damping frame design of loaded cylinder and load bearing platform, and be directed to miniature instrument and set
It is standby, especially to the installation of sensor can provided auxiliary support, and possess the damping frame of the commissioning of sensor pointing accuracy,
Specific structure design is there is no at present.
The content of the invention
The purpose of this utility model is:Offer is a kind of can be supported for the installation provided auxiliary of spacecraft sensor, and energy
Enough realize that sensor points to the damping frame of axle precision commissioning.
The technical solution of the utility model is:Encircling type is adjustable install pointing accuracy sensor damping frame, it includes:
Eneireling hoop and adjustment bearing;
Eneireling hoop uses metal material, and silica gel damping pad A is provided with its interior annular face, circumferential on exterior annular face
Uniform 4 screwed holes for being used for mounting and adjusting bearing;U-type groove is provided with the side end face of eneireling hoop one;
Adjustment bearing includes:Adjusting screw rod, support base and anti-avulsion screw with locking nut;One end of adjusting screw rod
The spanner for making adjusting screw rod be rotated along its own axis is provided with, the other end is arranged on support base inner face by anti-avulsion screw
On annular seating in;Anti-avulsion screw prevents adjusting screw rod from being separated with support base, but does not limit adjusting screw rod along its own rotation;Pull
The two ends of hand are provided with for spacing split pin;The outer face of support base is provided with silica gel damping pad B;
Adjustment bearing is arranged on the screwed hole of eneireling hoop by adjusting screw rod, wherein, support base is located at eneireling hoop
Outside, locking nut, spanner are located in the U-type groove of eneireling hoop.
Beneficial effect:1st, the damping frame in the utility model is to sensor end by the way of Auxiliary support is carried out,
By sensor from the installation border that the installation boundary transition of cantilevered fashion is freely-supported form, sensor installation is effectively improved
Mechanical environment, serves damping effect;
2nd, the adjustment bearing in the utility model is not used traditional damping shock absorber form, but employs structure type
Simply, the clamping support that reliability is high, stability is strong, support base external pasting silicone rubber pad is supported to realize Anti-skid shock-absorbing;
3rd, adjusting nut is rotated by operating spanner in the utility model, you can realize the radial direction of support base and eneireling hoop
Relative position, the circumferentially uniform four groups of adjustment bearings of eneireling hoop, by regulation, can realize that sensor points to the tune of axle precision again
It is whole.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of adjustment bearing in the utility model.
Specific embodiment
Referring to accompanying drawing 1:Encircling type is adjustable install pointing accuracy sensor damping frame, it includes:Eneireling hoop and
Adjustment bearing 3;
Eneireling hoop uses metal material, and silica gel damping pad A8 is provided with its interior annular face, silica gel damping pad A8's
Not less than the 85% of the eneireling hoop interior annular face area, thickness is 3mm-5mm to area coverage;It is circumferential on exterior annular face
It is laid with 4 screwed holes for mounting and adjusting bearing 3;It is provided with as inside eneireling hoop on the side end face of eneireling hoop one
Operation provides the U-type groove in enough spaces;Further, to effectively reduce eneireling hoop center to the perforate of sensor end
Required precision, is easy to implement the installation operation that the spacecraft stage implements damping frame Auxiliary support to sensor again, can be by
Eneireling hoop is designed as the upper eneireling hoop 2 and lower eneireling hoop 3 connected by bolt 7;Upper eneireling hoop 2 and under encircle
Clip 3 uses 5A06 aluminium alloy all-in-one add-on types;While support strength is met, the U-type groove of eneireling hoop is provided with and subtracts
Repeated hole carries out light-weight design;U-type groove part junction uses reinforcement form, to improve bonding strength;
Referring to accompanying drawing 2, adjustment bearing 3 includes:Adjusting screw rod 5, support base 4 and anti-avulsion screw with locking nut 9
10;The upper surface of support base 4 sets annular seating, and annular seating external circumferential symmetrically opens screwed hole, for the installation of anti-avulsion screw 10;
The entire body of adjusting screw rod 5 is fine thread, and its one end is provided with the spanner 6 for making adjusting screw rod 5 be rotated along its own axis, another
End is arranged in the annular seating on the inner face of support base 4 by anti-avulsion screw 10;Anti-avulsion screw 10 prevents adjusting screw rod 5 with support
Seat 4 is separated, but does not limit adjusting screw rod 5 along its own rotation;The two ends of spanner 6 are provided with for spacing split pin 11;It is described
Support base 4 is added from the larger A12 aluminium alloy machines of carrying out of intensity, and the silica gel damping pad B12 that 4mm-6mm is pasted in its outside is carried out entirely
Covering.
Adjustment bearing 3 is arranged on the screwed hole on eneireling hoop exterior annular face by its adjusting screw rod 5, wherein, branch
Support seat 4 is located at eneireling hoop outside, and locking nut 9, spanner 6 are located in the U-type groove of eneireling hoop.
In the spacecraft stage, after completing the installation of sensor and section structure support, by upper eneireling hoop 1 and lower ring
Holding card hoop 2 holds sensor end tightly, and both sides are fixed using connecting bolt 7;Operation spanner 6 drives adjusting screw rod 5 to rotate, and makes support
Seat 4 is contacted with section structure, completes the preliminary installation of damping frame;
In the spacecraft accurate measurement stage, the slow operation turn adjusting screw rod 5 of spanner 6 adjusts support base 4 and eneireling hoop
The relative position of radial direction, and realize that sensor points to axle and changes with respect to the floating of spacecraft structure, by alternately regulation ring holding card
The circumferential four groups of uniform adjustment bearings 3 of hoop, make sensor point to axle and meet requirement with respect to the precision of spacecraft benchmark;Precision commissioning
After finishing, the locking nut 9 of adjustment bearing 3 is screwed, the screwed hole carried on locking nut 9 and eneireling hoop forms double nut lock
Tightly, will not be become again with ensureing the precision after sensor commissioning.
Claims (6)
1. encircling type it is adjustable install pointing accuracy sensor damping frame, it is characterised in that it includes:Eneireling hoop and tune
Whole bearing (3);
The eneireling hoop uses metal material, silica gel damping pad A (8) is provided with its interior annular face, on exterior annular face
Circumferential uniform 4 screwed holes for being used to install adjustment bearing (3);U-type groove is provided with the side end face of the eneireling hoop one;
Adjustment bearing (3) includes:Adjusting screw rod (5), support base (4) and anti-avulsion screw with locking nut (9)
(10);One end of the adjusting screw rod (5) is provided with the spanner (6) for making adjusting screw rod (5) be rotated along its own axis, another
End is by the anti-avulsion screw (10) in the annular seating on the support base (4) inner face;The anti-avulsion screw (10)
Prevent the adjusting screw rod (5) from being separated with the support base (4), but do not limit the adjusting screw rod (5) along its own rotation;Institute
The two ends for stating spanner (6) are provided with for spacing split pin (11);The outer face of the support base (4) is provided with silica gel damping pad
B(12);
It is described to adjust bearing (3) by the adjusting screw rod (5) on the screwed hole of the eneireling hoop, wherein, it is described
Support base (4) positioned at the eneireling hoop outside, the locking nut (9), the spanner (6) positioned at the eneireling hoop U
In type groove.
2. encircling type as claimed in claim 1 it is adjustable install pointing accuracy sensor damping frame, it is characterised in that it is described
Eneireling hoop is divided into:The upper eneireling hoop (2) and lower eneireling hoop (1) connected by bolt (7);The upper eneireling hoop
(2) and the lower eneireling hoop (1) use 5A06 aluminium alloy all-in-one add-on types.
3. encircling type as claimed in claim 1 or 2 it is adjustable install pointing accuracy sensor damping frame, it is characterised in that
Lightening hole and reinforcement are additionally provided with the U-type groove of the eneireling hoop.
4. encircling type as claimed in claim 1 or 2 it is adjustable install pointing accuracy sensor damping frame, it is characterised in that
Not less than the 85% of the eneireling hoop interior annular face area, thickness is 3mm- to the area coverage of the silica gel damping pad A (8)
5mm。
5. encircling type as claimed in claim 1 or 2 it is adjustable install pointing accuracy sensor damping frame, it is characterised in that
The support base (4) is added from the A12 aluminium alloy machines of carrying out, and the silica gel damping pad B (12) that 4mm-6mm is pasted in its outside is covered entirely
Lid.
6. encircling type as claimed in claim 1 or 2 it is adjustable install pointing accuracy sensor damping frame, it is characterised in that
Adjusting screw rod (5) entire body is fine thread.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621072468.2U CN206243513U (en) | 2016-09-22 | 2016-09-22 | Encircling type is adjustable install pointing accuracy sensor damping frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621072468.2U CN206243513U (en) | 2016-09-22 | 2016-09-22 | Encircling type is adjustable install pointing accuracy sensor damping frame |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206243513U true CN206243513U (en) | 2017-06-13 |
Family
ID=58996544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621072468.2U Withdrawn - After Issue CN206243513U (en) | 2016-09-22 | 2016-09-22 | Encircling type is adjustable install pointing accuracy sensor damping frame |
Country Status (1)
Country | Link |
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CN (1) | CN206243513U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106347717A (en) * | 2016-09-22 | 2017-01-25 | 北京空间飞行器总体设计部 | Embraced type sensor vibration reducing bracket with adjustable installing and pointing accuracy |
CN109515766A (en) * | 2018-11-15 | 2019-03-26 | 上海宇航系统工程研究所 | Two-dimensional pointing mechanism |
-
2016
- 2016-09-22 CN CN201621072468.2U patent/CN206243513U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106347717A (en) * | 2016-09-22 | 2017-01-25 | 北京空间飞行器总体设计部 | Embraced type sensor vibration reducing bracket with adjustable installing and pointing accuracy |
CN109515766A (en) * | 2018-11-15 | 2019-03-26 | 上海宇航系统工程研究所 | Two-dimensional pointing mechanism |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170613 Effective date of abandoning: 20180814 |