CN106347717B - Encircling type is adjustable installation pointing accuracy sensor damping frame - Google Patents
Encircling type is adjustable installation pointing accuracy sensor damping frame Download PDFInfo
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- CN106347717B CN106347717B CN201610842110.1A CN201610842110A CN106347717B CN 106347717 B CN106347717 B CN 106347717B CN 201610842110 A CN201610842110 A CN 201610842110A CN 106347717 B CN106347717 B CN 106347717B
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- sensor
- screw rod
- adjusting screw
- support base
- eneireling hoop
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/66—Arrangements or adaptations of apparatus or instruments, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention 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 installation pointing accuracy sensor damping frame, it includes：Eneireling hoop and adjustment bearing；Adjusting bearing includes：Adjusting screw rod, support base with locking nut and anti-avulsion screw；One end of adjusting screw rod is equipped with spanner, and the other end is mounted on by anti-avulsion screw in the annular groove on support base inner face；The outer end face of support base is equipped with silica gel damping pad B；Bearing is adjusted to be mounted on by its adjusting screw rod on the threaded hole of eneireling hoop.The present invention 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 of installation；In the spacecraft accurate measurement stage, it can realize that sensor is directed toward the precision commissioning of axis.
Description
Technical field
The invention 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.
Background technology
With the development of space science technology, the requirement for spacecraft ability level is also higher and higher, especially space flight
Device platform requires the dimension of sensor mounting stability to the improvement for the equipment mechanical environment that installs instruments and to being directed toward with high-precision
Hold ability.Spacecraft inevitably will be through the mechanics such as vibrated, impact and noise in being subjected to ground experiment and emission process
Environment restricts spacecraft platform towards high-precision, high stable row always as the basic constraint of spacecraft structure design
The process of development.To improve spacecraft platform to the dynamic mechanical environment for the equipment that installs instruments, major way is total in spacecraft
The vibratory response for making every effort to inhibit or reduce equipment installation during installing meter resists spacecraft to improve instrument and equipment
The ability of launching phase overload, installation and lineup precision of the better maintenance equipment in the ground general assembly stage.
Inhibit or the method for lowering apparatus vibration equipment response includes mainly：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 inhibiting to drive without extra power, structure design is simple, is easily achieved, reliability height.
Damping frame is the important knot for carrying out instrument and equipment installation vibratory response in spacecraft design and inhibiting and reducing
Configuration formula, the design of existing damping frame is mainly aided with the form of instrument and equipment mounting platform using damping shock absorber, such to subtract
The holder that shakes has good vibration suppressioning effect, large size deployable antenna, spacecraft master in space for the equipment installation of great type
The form of damping shock absorber is mainly used in the design of the damping frame of loaded cylinder and load bearing platform, and is set for miniature instrument
It is standby, Auxiliary support especially is capable of providing to the installation of sensor, and have the damping frame of the commissioning of sensor pointing accuracy,
It there is no specific structure design at present.
Invention content
The purpose of the present invention is：There is provided it is a kind of Auxiliary support can be provided for the installation of spacecraft sensor, and can be real
Existing sensor is directed toward the damping frame of axis precision commissioning.
The technical scheme is that：Encircling type is adjustable installation pointing accuracy sensor damping frame, it includes：It encircles
Clip and adjustment bearing；
Eneireling hoop uses metal material, and silica gel damping pad A is equipped on its interior annular face, circumferential on exterior annular face
Uniformly distributed 4 threaded holes for being used for mounting and adjusting bearing；U-type groove is equipped on one side end face of eneireling hoop；
Adjusting bearing includes：Adjusting screw rod, support base with locking nut and anti-avulsion screw；One end of adjusting screw rod
Equipped with the spanner for making adjusting screw rod be rotated along its own axis, the other end is mounted on support base inner face by anti-avulsion screw
On annular seating in；Anti-avulsion screw prevents adjusting screw rod from being detached with support base, but does not limit adjusting screw rod along its own rotation；It pulls
The both ends of hand are equipped with the split pin for limit；The outer end face of support base is equipped with silica gel damping pad B；
It adjusts bearing to be mounted on by adjusting screw rod on the threaded hole of eneireling hoop, wherein support base is located at eneireling hoop
Outside, locking nut, spanner are located in the U-type groove of eneireling hoop.
Advantageous effect：1, the damping frame in the invention, will be quick by the way of carrying out Auxiliary support to sensor end
Sensor effectively improves the mechanics of sensor installation from the installation boundary that the installation boundary transition of cantilevered fashion is freely-supported form
Environment plays damping effect；
2, traditional damping shock absorber form is not used in the adjustment bearing in the invention, but uses structure type letter
Clamping support single, support reliability is high, stability is strong, support base external pasting silicone rubber pad realize Anti-skid shock-absorbing；
3, adjusting nut is rotated by operation spanner in the invention, you can realize support base and eneireling hoop diametrically
Position, eneireling hoop are circumferentially evenly distributed with four groups of adjustment bearings, by adjusting, and the adjustment that sensor is directed toward axis precision may be implemented.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram that bearing is adjusted in the present invention.
Specific implementation mode
Referring to attached drawing 1：Encircling type is adjustable installation pointing accuracy sensor damping frame, it includes：Eneireling hoop and
Adjust bearing 3；
Eneireling hoop uses metal material, and silica gel damping pad A8 is equipped on its interior annular face, silica gel damping pad A8's
Area coverage is not less than the 85% of eneireling hoop interior annular face area, thickness 3mm-5mm；It is circumferential on exterior annular face
It is laid with 4 threaded holes for mounting and adjusting bearing 3；It is equipped on one side end face of eneireling hoop as inside eneireling hoop
Operation provides the U-type groove in enough spaces；Further, to effectively reduce eneireling hoop center to the trepanning of sensor end
Required precision, and it is easy to implement installation operation of the spacecraft stage to sensor implementation damping frame Auxiliary support, it can incite somebody to action
Eneireling hoop is designed as the upper eneireling hoop 1 connected by bolt 7 and lower eneireling hoop 2；Upper eneireling hoop 1 and under encircle
Clip 2 uses 5A06 aluminium alloy all-in-one machine addition shapes；While meeting support strength, the U-type groove of eneireling hoop, which is equipped with, to be subtracted
Repeated hole carries out light-weight design；U-type groove part junction uses reinforcing rib form, to improve bonding strength；
Referring to attached drawing 2, adjustment bearing 3 includes：Adjusting screw rod 5, support base 4 with locking nut 9 and anti-avulsion screw
10；Annular seating is arranged in the upper surface of support base 4, and annular seating external circumferential symmetrically opens threaded hole, is used for the installation of anti-avulsion screw 10；
5 entire body of adjusting screw rod is fine thread, and one end is equipped with the spanner 6 for making adjusting screw rod 5 be rotated along its own axis, another
End is mounted on by anti-avulsion screw 10 in the annular seating on 4 inner face of support base；Anti-avulsion screw 10 prevents adjusting screw rod 5 and support
Seat 4 detaches, but does not limit adjusting screw rod 5 along its own rotation；The both ends of spanner 6 are equipped with the split pin 11 for limit；It is described
The A12 aluminium alloys that support base 4 selects intensity larger carry out machine and add, and the silica gel damping pad B12 progress that 4mm-6mm is pasted in outside is complete
Covering.
It adjusts on the threaded hole that bearing 3 is mounted on by its adjusting screw rod 5 on eneireling hoop exterior annular face, wherein branch
Support seat 4 is located on the outside of eneireling hoop, and locking nut 9, spanner 6 are located in the U-type groove of eneireling hoop.
After the spacecraft stage, the installation for completing sensor and section structure holder, by upper eneireling hoop 1 and lower ring
Holding card hoop 2 holds sensor end tightly, and both sides are fixed using connection 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, 6 turn adjusting screw rod 5 of slow operation spanner adjusts support base 4 and eneireling hoop
Radial relative position, and realize that sensor is directed toward floating of the axis with respect to spacecraft structure and changes, pass through alternately regulation ring holding card
Four groups of circumferentially uniformly distributed adjustment bearings 3 of hoop make sensor be directed toward axis and are met the requirements with respect to the precision of spacecraft benchmark；Precision commissioning
After, the locking nut 9 of adjustment bearing 3 is screwed, locking nut 9 forms double nut lock with the threaded hole carried on eneireling hoop
Tightly, to ensure that the precision after sensor commissioning will not become again.
Claims (6)
1. encircling type is adjustable installation pointing accuracy sensor damping frame, which is characterized in that it includes：Eneireling hoop and tune
Whole bearing (3)；
The eneireling hoop uses metal material, silica gel damping pad A (8) is equipped on its interior annular face, on exterior annular face
It is circumferential to be evenly distributed with 4 threaded holes for installing the adjustment bearing (3)；U-type groove is equipped on one side end face of the eneireling hoop；
The adjustment bearing (3) includes：Adjusting screw rod (5), support base (4) with locking nut (9) and anti-avulsion screw
(10)；One end of the adjusting screw rod (5) is equipped with the spanner (6) for making adjusting screw rod (5) be rotated along its own axis, another
End is mounted on by the anti-avulsion screw (10) in the annular seating on the support base (4) inner face；The anti-avulsion screw (10)
It prevents the adjusting screw rod (5) from being detached with the support base (4), but does not limit the adjusting screw rod (5) along its own rotation；Institute
The both ends for stating spanner (6) are equipped with the split pin (11) for being used for limit；The outer end face of the support base (4) is equipped with silica gel damping pad
B(12)；
The adjustment bearing (3) is mounted on by the adjusting screw rod (5) on the threaded hole of the eneireling hoop, wherein described
Support base (4) is located on the outside of the eneireling hoop, and the locking nut (9), the spanner (6) are located at the U of the eneireling hoop
In type groove.
2. the sensor damping frame of the adjustable installation pointing accuracy of encircling type as described in claim 1, which is characterized in that described
Eneireling hoop is divided into：The upper eneireling hoop (1) and lower eneireling hoop (2) connected by bolt (7)；The upper eneireling hoop
(1) and the lower eneireling hoop (2) uses 5A06 aluminium alloy all-in-one machine addition shapes.
3. the sensor damping frame of the adjustable installation pointing accuracy of encircling type as claimed in claim 1 or 2, which is characterized in that
It is additionally provided with lightening hole and reinforcing rib in the U-type groove of the eneireling hoop.
4. the sensor damping frame of the adjustable installation pointing accuracy of encircling type as claimed in claim 1 or 2, which is characterized in that
The area coverage of the silica gel damping pad A (8) is not less than the 85% of eneireling hoop interior annular face area, thickness 3mm-
5mm。
5. the sensor damping frame of the adjustable installation pointing accuracy of encircling type as claimed in claim 1 or 2, which is characterized in that
The support base (4) selects A12 aluminium alloys progress machine to add, and the silica gel damping pad B (12) that 4mm-6mm is pasted in outside is covered entirely
Lid.
6. the sensor damping frame of the adjustable installation pointing accuracy of encircling type as claimed in claim 1 or 2, which is characterized in that
Adjusting screw rod (5) entire body is fine thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610842110.1A CN106347717B (en) | 2016-09-22 | 2016-09-22 | Encircling type is adjustable installation pointing accuracy sensor damping frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610842110.1A CN106347717B (en) | 2016-09-22 | 2016-09-22 | Encircling type is adjustable installation pointing accuracy sensor damping frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106347717A CN106347717A (en) | 2017-01-25 |
| CN106347717B true CN106347717B (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610842110.1A Active CN106347717B (en) | 2016-09-22 | 2016-09-22 | Encircling type is adjustable installation pointing accuracy sensor damping frame |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787946B (en) * | 2017-03-07 | 2019-01-18 | 长安大学 | Road vibration energy regenerating power generator and method based on three-dimensional metamaterial |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1239353A3 (en) * | 2001-03-09 | 2004-12-15 | Mitsubishi Heavy Industries, Ltd. | Rotation stabilizing device in a microgravitational rotating apparatus |
| CN103448921B (en) * | 2013-08-08 | 2016-01-06 | 上海卫星工程研究所 | The vibration isolating method of aclinal satellite sensitive load |
| CN103723287B (en) * | 2014-01-03 | 2015-08-05 | 东南大学 | A kind of aerospacecraft in-orbit and launching phase shock attenuation unit |
| CN105333047A (en) * | 2015-09-15 | 2016-02-17 | 浙江吉利汽车研究院有限公司 | Dynamic vibration absorber |
| CN206243513U (en) * | 2016-09-22 | 2017-06-13 | 北京空间飞行器总体设计部 | Encircling type is adjustable install pointing accuracy sensor damping frame |
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| CN106347717A (en) | 2017-01-25 |
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