CN202692994U - Follow-up frame for inertial platform - Google Patents
Follow-up frame for inertial platform Download PDFInfo
- Publication number
- CN202692994U CN202692994U CN 201220368994 CN201220368994U CN202692994U CN 202692994 U CN202692994 U CN 202692994U CN 201220368994 CN201220368994 CN 201220368994 CN 201220368994 U CN201220368994 U CN 201220368994U CN 202692994 U CN202692994 U CN 202692994U
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- frame
- follow
- angle sensor
- angular transducer
- servo
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Abstract
The utility model belongs to the technical field of inertial navigation and relates to a follow-up frame for an inertial platform. The follow-up frame comprises a frame body, an angle sensor (5) and a torque motor (4), wherein the frame body comprises an inner frame (2), an outer frame (3), a large bearing (1) and a small bearing (6). The follow-up frame is characterized in that the angle sensor (5) and the inner frame (2) as well as the angle sensor (5) and the outer frame (3) are flexibly connected by a silicon rubber layer (7); and the large bearing (1) and the small bearing (6) are supported by a back-to-back manner. According to the follow-up frame disclosed by the utility model, the angle sensor and the inner frame as well as the angle sensor and the outer frame are flexibly connected by the silicon rubber layers, so that the sensitivity of the angle sensor on the temperature is reduced and the precision of the output angle of the follow-up frame is ensured.
Description
Technical field
The utility model belongs to the inertial navigation technology field, relates to a kind of servo-actuated framework for inertial platform.
Background technology
Platform framework formula stable inertia system is full-fledged product, and along with the expansion of application and the use of novel sensor, its lasting accuracy is more and more higher.The application of high-precision angle sensor (sine and cosine resolver) in the servo-actuated frame assembly of inertial platform take magnetically soft alloy as the magnetic property material can be crossed the output angle precision that satisfies servo-actuated frame assembly and be reached the rad level.But its magnetic property of magnetically soft alloy that angular transducer uses is subject to the impact of external stress, adopt the bearing Assembly of the parts of traditional hard connection and aluminium alloy when sensor after, behind bearing temperature stress high temperature+80 ℃, low temperature-55 ℃, its magnetic induction density descends, the perception output voltage descends about 25%, has had a strong impact on the output angle precision of servo-actuated framework.
The utility model content
Technical problem to be solved in the utility model is: a kind of servo-actuated framework for inertial platform is provided, the magnetic property of its angular transducer is avoided in temperature variation, because of the impact that stress is received in the adjacent parts distortion, guarantee the output angle precision of servo-actuated framework.
The technical solution of the utility model is: a kind of servo-actuated framework for inertial platform, comprise frame body, angular transducer 5, torque motor 4, wherein frame body comprises inside casing 2, housing 3, large bearing 1, little bearing 6, flexibly connects by silastic-layer 7 between described angular transducer 5 and inside casing 2, the housing 3; Large bearing 1, little bearing 6 adopt the supporting form of arranging back-to-back.
The beneficial effect that the utlity model has: the utility model is used for the servo-actuated framework of inertial platform, adopt angular transducer and interior housing to flexibly connect by silastic-layer, reduce the susceptibility of angular transducer to temperature, guaranteed the output angle precision of servo-actuated framework.
Description of drawings
Fig. 1 is the servo-actuated framed structure synoptic diagram that the utility model is used for inertial platform;
Fig. 2 is the servo-actuated framework that the utility model is used for inertial platform, guarantees that angular transducer assembles the synoptic diagram of coaxial precision methods;
Wherein, the large bearing of 1-, 2-inside casing, 3-housing, 4-torque motor, 5-angular transducer, the little bearing of 6-, 7-silastic-layer, 8-process screw, 9-inside casing technique screw.
Embodiment
Below in conjunction with Figure of description embodiment of the present utility model is described further.
Referring to Fig. 1, a kind of servo-actuated framework for inertial platform, comprise frame body, angular transducer 5, torque motor 4, wherein frame body comprises inside casing 2, housing 3, large bearing 1, little bearing 6, flexibly connects by silastic-layer 7 between described angular transducer 5 and inside casing 2, the housing 3; Large bearing 1, little bearing 6 adopt the supporting form of arranging back-to-back.
Described silastic-layer 7 thickness are 0.2 ~ 0.5mm.Inside casing 2 and housing 3 are the aluminum alloy part of 1.5 ~ 2.0mm for wall thickness.
Referring to Fig. 2, the utility model is used for the servo-actuated framework of inertial platform, guarantee that angular transducer assembles coaxial precision methods, regulate by the gap between inside casing technique screw 9 and 8 pairs of angular transducers 5 of three process screws and the inside casing 2, and guarantee that in silastic-layer 7 solidification processs the gap is constant.
The assembling concrete operations operation of angular transducer is as follows in the servo-actuated framework of the utility model:
1. clean: clean inside casing 2 inner peripheral surfaces and angular transducer 5 rotor outer circle side faces with acetone;
2. gluing: at inside casing 2 inner peripheral surfaces and the even coating silicon rubber of angular transducer 5 rotor outer circle side faces;
3. assembling: with angular transducer 5 rotors inside casing 2 inner circles of packing into, assembly technology screw 8 is totally three on inside casing technique screw 9;
4. coaxial debugging: by the right alignment between non-cpntact measurement device measuring angular transducer 5 rotor inner circles and inside casing 2 cylindricals, when right alignment satisfies index request, continue subsequent handling; Otherwise, adjusting process screw 8; Measure again right alignment, until right alignment satisfies index request.
5. solidify: assembly is left standstill, be cured according to the silicon rubber solidifying requirements;
6. repetition measurement: decomposition technique screw 8, again repetition measurement right alignment on non-cpntact measurement equipment.
Embodiment
The assembly process of the angular transducer in the servo-actuated framework in orientation of a kind of embodiment X-type inertial platform of the present utility model is as follows:
1. clean: clean inside casing 2 inner peripheral surfaces and angular transducer 5 rotor outer circle side faces with acetone;
2. gluing: evenly apply the silicon rubber that the trade mark is GD414 at inside casing 2 inner peripheral surfaces and angular transducer 5 rotor outer circle side faces;
3. assembling: with angular transducer 5 rotors inside casing 2 inner circles of packing into, assembly technology screw 8 is totally three on inside casing technique screw 9;
4. coaxial debugging: by the right alignment between non-cpntact measurement device measuring angular transducer 5 rotor inner circles and inside casing 2 cylindricals, when right alignment ≯ 0.015, continue subsequent handling; When right alignment＞0.015, adjust three process screws 8 according to eccentric actual conditions; Measure again right alignment, until right alignment satisfies index request.
5. solidify: assembly normal temperature is left standstill twenty four hours;
6. repetition measurement: decompose three process screws 8, again repetition measurement right alignment on non-cpntact measurement equipment.
After the angular transducer of the servo-actuated framework in orientation of X-type inertial platform assembled, output voltage decline phenomenon was not found in the induction output of test angle sensor; After this servo-actuated frame set was dressed up inertial platform, its drift angle, orientation precision met designing requirement.
Claims (2)
1. servo-actuated framework that is used for inertial platform, comprise frame body, angular transducer (5), torque motor (4), wherein frame body comprises inside casing (2), housing (3), large bearing (1), little bearing (6), it is characterized by: flexibly connect by silastic-layer (7) between described angular transducer (5) and inside casing (2), the housing (3); Large bearing (1), little bearing (6) adopt the supporting form of arranging back-to-back.
2. servo-actuated framework according to claim 1, be further characterized in that: described silastic-layer (7) thickness is 0.2 ~ 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220368994 CN202692994U (en) | 2012-07-27 | 2012-07-27 | Follow-up frame for inertial platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220368994 CN202692994U (en) | 2012-07-27 | 2012-07-27 | Follow-up frame for inertial platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202692994U true CN202692994U (en) | 2013-01-23 |
Family
ID=47548602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220368994 Expired - Lifetime CN202692994U (en) | 2012-07-27 | 2012-07-27 | Follow-up frame for inertial platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202692994U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023663A (en) * | 2016-07-15 | 2016-10-12 | 中北大学 | Teaching experiment batch detection system based on stabilized platform |
| CN109786967A (en) * | 2019-03-04 | 2019-05-21 | 大连理工大学 | A kind of ship-board antenna attitude control system of high-precision real-time tracking |
| CN112664577A (en) * | 2020-12-07 | 2021-04-16 | 河北汉光重工有限责任公司 | Stable platform bearing fixing structure and assembling and adjusting method |
-
2012
- 2012-07-27 CN CN 201220368994 patent/CN202692994U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023663A (en) * | 2016-07-15 | 2016-10-12 | 中北大学 | Teaching experiment batch detection system based on stabilized platform |
| CN106023663B (en) * | 2016-07-15 | 2019-05-14 | 中北大学 | A kind of teaching experiment batch inspection system based on stabilized platform |
| CN109786967A (en) * | 2019-03-04 | 2019-05-21 | 大连理工大学 | A kind of ship-board antenna attitude control system of high-precision real-time tracking |
| CN112664577A (en) * | 2020-12-07 | 2021-04-16 | 河北汉光重工有限责任公司 | Stable platform bearing fixing structure and assembling and adjusting method |
| CN112664577B (en) * | 2020-12-07 | 2022-09-02 | 河北汉光重工有限责任公司 | Stable platform bearing fixing structure and assembling and adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |