CN104493773A - Mounting precision adjusting tool for inertial navigation unit - Google Patents
Mounting precision adjusting tool for inertial navigation unit Download PDFInfo
- Publication number
- CN104493773A CN104493773A CN201410784451.9A CN201410784451A CN104493773A CN 104493773 A CN104493773 A CN 104493773A CN 201410784451 A CN201410784451 A CN 201410784451A CN 104493773 A CN104493773 A CN 104493773A
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- CN
- China
- Prior art keywords
- base plate
- adjusting
- nevigation apparatus
- inertial nevigation
- installing plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
- Connection Of Plates (AREA)
Abstract
The invention provides a mounting precision adjusting tool for an inertial navigation unit. The mounting precision adjusting tool functions in limiting the mounting and adjusting of the inertial navigation unit, thus uncontrollability is decreased for the operator during operation, and multiple assembly consistency of batch products is improved. The mounting precision adjusting tool mainly comprises a base plate, mounting plate fixing bolts, two supports, supporting fasteners, adjusting bolts, locking springs and protection gaskets. The mounting precision adjusting tool is used in the manner that a mounting plate is fixed on the base plate through the mounting plate fixing bolts, the supports are adjusted to slide in open slots in the base plate and fixed by the support fasteners, and the adjusting bolts are screwed to fixedly position the inertial navigation unit for mounting precision measurement; in case of out-of-tolerance product, according to the measurement result, the corresponding adjusting bolts are sequentially screwed to adjust mounting precision in clockwise or anticlockwise adjusting direction and angle around the X axis. During adjusting, according to the distances from joints, of the adjusting bolts and the inertial navigation unit, to the circular center, screwing length of each adjusting bolt is calculated.
Description
Technical field
The present invention relates to a set of inertial nevigation apparatus installation accuracy adjustment frock, in installation process, carry out installation accuracy adjustment according to measurement result for certain guided missile inertial nevigation apparatus.
Background technology
Inertial nevigation apparatus is the nucleus equipment of STT missile part, and the relative position in its assembling process and between the first-class equipment of guiding is directly connected to the flight Mass Control of whole guided missile, must meet specific index request.Certain product inertial nevigation apparatus 14 is evenly distributed on the vertical through hole of housing surrounding 10 and installing plate screwed hole 13 by 4 and carries out being spirally connected fixing, without structures such as alignment pins, installation accuracy is ensured, installation and debugging can only be carried out by the repetitive process measured, manually adjust, measure again, adjust again, this process adjusting amount is controlled by operating personnel's experience, feel completely, quantitatively cannot adjust, waste time and energy and the uniformity that batch products is repeatedly assembled cannot be ensured.
Installation accuracy adjustment process: use two the vertical dowel holes 12 of Three-Coordinate Measuring Arm on a mounting board on horizontal plane 11 and installing plate to be benchmark, simulate the coordinate system O of installing plate
0x
0y
0z
0; With the vertical installation surface 9 two orthogonal of four of inertial nevigation apparatus horizontal mounting surfaces 8 and prism for benchmark, simulate the coordinate system OgXgYgZg of inertial nevigation apparatus, require reference axis angular displacement≤2 ˊ of 2 coordinate systems.After measurement result meets the requirements, use 4 groups of securing members inertial nevigation apparatus and installing plate to be secured together, complete assembling process; After as overproof in undesirable index, then by gap between adjustment 4 hold-down screws and inertial nevigation apparatus screw hole, the adjustment work of installation accuracy to be realized.
Direction defines: installing plate is YOZ plane, and X-direction is perpendicular to installing plate plane; Inertial nevigation apparatus four horizontal mounting surfaces are YOZ plane, and prism installed surface is XOY plane.
Summary of the invention
Installing plate is 2 Ф 8 pin-and-holes 12 in Ф 370 disc structures ± Z-direction, circumferentially uniform 4 Ф 7 installing plate fixed vias 15, and the column structure of uniform 4 high 20 Ф 15 in middle position is M6 tapped through hole 13 in cylinder; Inertial nevigation apparatus full-size 178mm × 180mm4 limit shape structure,-X-direction bottom surface there is the polished surface 8 of 4 external diameter Ф 28, be Ф 7 inertial nevigation apparatus fixed via 10 in the middle of polished surface, XOY plane inertial nevigation apparatus Z-direction being equipped with its Z-direction edge of prism structure is polished surface 9, size 81mm × 11mm; The polished surface of installation process inertial nevigation apparatus 4 external diameter Ф 28 directly contacts with the column structure of 4 of installing plate high 20 Ф 15, uses standard component to fix; With installing plate upper horizontal surface 11 and vertical dowel hole 12 matching installing plate coordinate system during measurement, with the horizontal polished surface 8 of inertial nevigation apparatus 4 and prism structure polished surface 9 matching inertial nevigation apparatus coordinate system, according to the measurement result adjustment inertial nevigation apparatus installation site on a mounting board of Two coordinate system reference axis angle, finally meet index request.
The invention provides a set of inertial nevigation apparatus installation accuracy adjustment frock, the installation of inertial nevigation apparatus, adjustment process are retrained, realize the control of installation accuracy regulated quantity, reduce the uncontrollability in human users's process, improve the uniformity that batch products is repeatedly assembled.
Concrete structure is as follows:
Inertial nevigation apparatus installation accuracy adjustment frock mainly comprises: base plate 1, installing plate set bolt 2, support 3, bracket fasteners 4, adjusting bolt 5, locking spring 6, protection pad 7.Base plate 1 side of being plate, size is greater than installing plate maximum outside diameter, prevailing thread hole on base plate 1, and installing plate to be fixed on base plate in corresponding region through preset screwed hole on base plate 1 by installing plate set bolt 2; Support 3 is that inverted U is abnormally-structured, single rack beam and base plate parallel direction there are 2 cantilever beams respectively, two supports 3 are fixed on base plate 1 by bracket fasteners 4, and 2 cantilever beams and crossbeam form U-shaped structure and inertial nevigation apparatus can be wrapped up middle and leave certain interval; The crossbeam of 2 U-shaped knot parcel inertial nevigation apparatus that 2 supports 3 are formed, cantilever beam arrange screwed hole respectively, and adjusting bolt 5 is through screwed hole, and adjusting bolt 5 stretches out the reach of support 3 by screwing adjustment, clamp, inertial nevigation apparatus with conjunction measuring; Protection pad 7 is pasted on adjusting bolt 5 screw tip, directly contacts with product; Locking spring 6 is between adjusting bolt 5 and support 3 upper screwed hole, prevents adjusting bolt 5 from loosening;
Further, base plate 1 both sides have open slot, and two legs of support 3 inverted U stretch into and stretch in both-side opening groove respectively, and open slot slides on base plate for support, fixing;
Further, the U-shaped structural beams of support 3 flushes with inertial nevigation apparatus polished surface 8;
During use: used by installing plate installing plate set bolt 2 to be fixed to base plate 1 middle position, inertial nevigation apparatus is placed horizontally at the correspondence position on installing plate, inertial nevigation apparatus polished surface 8 and inertial nevigation apparatus fixed via 10 one_to_one corresponding on installing plate, 2 supports 3 are regulated to slide in base plate open slot, bracket fasteners 4 is used to be fixed by support 3, tighten adjusting bolt 5 and fix inertial nevigation apparatus position, carry out installation accuracy measurement, time as overproof in product, the direction of inertial navigation mounting and adjusting is drawn according to measurement result, determine around the clockwise or counterclockwise adjustment direction of X-axis and adjusting angle, the adjusting bolt screwing correspondence position successively realizes the adjustment of installation accuracy.In adjustment process, can show that each bolt regulated screws length according to adjusting bolt 5 and inertial nevigation apparatus contact point to the distance transform in the center of circle.
This inertial navigation installation accuracy adjustment frock, can carry out specific aim adjustment to installation accuracy, avoids the uncontrollable situation of personnel's manual operations regulated quantity; For batch product, after the adjustment of inertial navigation installation accuracy is fixing, the adjustment state of this adjustment frock is fixed, and directly can apply the assembling of other inertial navigation, ensures the uniformity of batch products installment state.
Accompanying drawing explanation
Fig. 1 is inertial nevigation apparatus upward view;
Fig. 2 is inertial nevigation apparatus front view;
Fig. 3 is inertial nevigation apparatus left view;
Fig. 4 a is installing plate top view;
Fig. 4 b is installing plate front view;
Fig. 5 is inertial navigation installation accuracy adjustment frock schematic diagram;
Fig. 6 is inertial nevigation apparatus installation accuracy adjustment frock A-A generalized section.
1-base plate, 2-installing plate set bolt, 3-support, 4-bracket fasteners, 5-adjusting bolt, 6-locking spring, 7-protection pad, 8-inertial nevigation apparatus horizontal mounting surface, 9-prism vertical installation surface, 10-inertial nevigation apparatus installing hole, 11-upper horizontal plane, 12-dowel hole, 13-installing plate tapped through hole; 14-inertial nevigation apparatus; 15-installing plate fixed via.
Detailed description of the invention
The invention provides a set of inertial nevigation apparatus installation accuracy adjustment frock, the installation of inertial nevigation apparatus, adjustment process are retrained, realize the control of installation accuracy regulated quantity, reduce the uncontrollability in human users's process, improve the uniformity that batch products is repeatedly assembled.
Installing plate is 2 Ф 8 pin-and-holes 12 in Ф 370 disc structures ± Z-direction, circumferentially uniform 4 Ф 7 installing plate fixed vias 15, and the column structure of uniform 4 high 20 Ф 15 in middle position is M6 tapped through hole 13 in cylinder; Inertial nevigation apparatus full-size 178mm × 180mm4 limit shape structure,-X-direction bottom surface there is the polished surface 8 of 4 external diameter Ф 28, be Ф 7 inertial nevigation apparatus fixed via 10 in the middle of polished surface, XOY plane inertial nevigation apparatus Z-direction being equipped with its Z-direction edge of prism structure is polished surface 9, size 81mm × 11mm; The polished surface of installation process inertial nevigation apparatus 4 external diameter Ф 28 directly contacts with the column structure of 4 of installing plate high 20 Ф 15, uses standard component to fix; With installing plate upper horizontal surface 11 and vertical dowel hole 12 matching installing plate coordinate system during measurement, with the horizontal polished surface 8 of inertial nevigation apparatus 4 and prism structure polished surface 9 matching inertial nevigation apparatus coordinate system, according to the measurement result adjustment inertial nevigation apparatus installation site on a mounting board of Two coordinate system reference axis angle, finally meet index request.
Concrete structure is as follows:
Inertial nevigation apparatus installation accuracy adjustment frock mainly comprises: base plate 1, installing plate set bolt 2, support 3, bracket fasteners 4, adjusting bolt 5, locking spring 6, protection pad 7.Base plate 1 size 450mm × 450mm is greater than installing plate maximum outside diameter, thickness 20mm, both sides have wide 20 high 20 open slots of long 400mm apart from marginal position 5mm, slide on base plate for support, fix, dozen screwed hole is joined by Ф on installing plate 7 installing plate fixed via 15 position in base plate 1 middle position, fixing for installing plate, installing plate set bolt 2 four, selects by clear size of opening on installing plate, support 3 is that inverted U is abnormally-structured, in the jag-X-direction of both sides, height 80mm is fixedly connected with by bracket fasteners 4 with base plate open slot, after U-shaped structural beams is connected with base plate, height flushes with inertial nevigation apparatus polished surface 8, in single rack beam Z-direction, outstanding 2, in-line structure is parallel with base plate, 2 in-line structures and crossbeam form U-shaped structure and inertial nevigation apparatus can be wrapped up middle, each limit and inertial nevigation apparatus stay 10mm gap simultaneously, for screwing of adjusting bolt 5, support 3 is all joined with each limit of inertial nevigation apparatus rigging angle clamp Angle Position and beats screwed hole, install for adjusting bolt 5, two supports 3 are fixed in base plate 1 both-side opening groove by bracket fasteners 4, form hollow inertial nevigation apparatus is wrapped in centre position with bottom edge, prevailing thread hole on base plate, installing plate to be fixed on base plate in corresponding region through preset screwed hole on base plate 1 by installing plate set bolt 2, adjusting bolt 5, locking spring 6 size press adjusting pole corresponding screwed hole position apolegamy, and protection pad 7 size is consistent with adjusting bolt 5 end of thread, totally 8 covers.2 supports 3 slide in the ellipsoid groove of base plate 1X direction, and support 3 is fixed from base plate 1Z direction ellipsoid groove by bracket fasteners 4, and 2 supports 3 form 4 right angles and inertial nevigation apparatus can be included, and expose measuring surface; 2 supports 3 form 4 right angles and inertial nevigation apparatus can be included, the part that 2 supports 3 wrap up plumbing installation arranges through hole, and adjusting bolt 5 is through through hole, and adjusting bolt 5 stretches out the reach of support 3 by screwing adjustment, inertial nevigation apparatus is clamped, with conjunction measuring; Ensure that the position of installing plate in measurement, adjustment process is fixed.Protection pad 7 is pasted on adjusting bolt 5 screw thread one end, directly contacts with product; Locking spring 6 is between adjusting bolt 5 and support 3 upper screwed hole, prevents adjusting bolt 5 from loosening;
During use: used by installing plate installing plate set bolt 2 to be fixed to base plate 1 middle position, inertial nevigation apparatus is placed horizontally at the correspondence position on installing plate, inertial nevigation apparatus polished surface 8 and inertial nevigation apparatus fixed via 10 one_to_one corresponding on installing plate, 2 supports 3 are regulated to slide in base plate open slot, bracket fasteners 4 is used to be fixed by support 3, tighten adjusting bolt 5 and fix inertial nevigation apparatus position, carry out installation accuracy measurement, time as overproof in product, the direction of inertial navigation mounting and adjusting is drawn according to measurement result, determine around the clockwise or counterclockwise adjustment direction of X-axis and adjusting angle, the adjusting bolt screwing correspondence position successively realizes the adjustment of installation accuracy.In adjustment process, can show that each bolt regulated screws length according to adjusting bolt 5 and inertial nevigation apparatus contact point to the distance transform in the center of circle.
This inertial navigation installation accuracy adjustment frock, can carry out specific aim adjustment to installation accuracy, avoids the uncontrollable situation of personnel's manual operations regulated quantity; For batch product, after the adjustment of inertial navigation installation accuracy is fixing, the adjustment state of this adjustment frock is fixed, and directly can apply the assembling of other inertial navigation, ensures the uniformity of batch products installment state.
Claims (3)
1. an inertial nevigation apparatus installation accuracy adjustment frock, is characterized in that, mainly comprise: base plate, installing plate set bolt, support, bracket fasteners, adjusting bolt, locking spring, protection pad; The base plate side of being plate, size is greater than installing plate maximum outside diameter, prevailing thread hole on base plate, and installing plate to be fixed on base plate in corresponding region through preset screwed hole on base plate by installing plate set bolt; Support is that inverted U is abnormally-structured, and single rack beam and base plate parallel direction have 2 cantilever beams respectively, and two supports are fixed on base plate by bracket fasteners, and 2 cantilever beams and crossbeam form U-shaped structure and wrapped up by inertial nevigation apparatus middle and leave certain interval; 2 support cantilever beams and crossbeam 2 of being formed are U-shaped tie wrap up inertial nevigation apparatus crossbeam, cantilever beam arranges screwed hole respectively, adjusting bolt is through screwed hole; Protection pad is pasted on adjusting bolt screw tip; Locking spring is between adjusting bolt 5 and support 3 upper screwed hole.
2. inertial nevigation apparatus installation accuracy adjustment frock as claimed in claim 1, it is characterized in that, base plate both sides have open slot, and two legs of support inverted U stretch into and stretch into respectively in both-side opening groove.
3. inertial nevigation apparatus installation accuracy adjustment frock as claimed in claim 2, it is characterized in that, the U-shaped structural beams upper surface of support flushes with inertial nevigation apparatus polished surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410784451.9A CN104493773B (en) | 2014-12-16 | 2014-12-16 | A kind of inertial nevigation apparatus installation accuracy is adjusted frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410784451.9A CN104493773B (en) | 2014-12-16 | 2014-12-16 | A kind of inertial nevigation apparatus installation accuracy is adjusted frock |
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| Publication Number | Publication Date |
|---|---|
| CN104493773A true CN104493773A (en) | 2015-04-08 |
| CN104493773B CN104493773B (en) | 2016-05-25 |
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| CN201410784451.9A Active CN104493773B (en) | 2014-12-16 | 2014-12-16 | A kind of inertial nevigation apparatus installation accuracy is adjusted frock |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396884A (en) * | 2018-10-19 | 2019-03-01 | 成都航利航空科技有限责任公司 | A kind of tooling and processing method of multistation processing fuel nozzle shell |
| CN109470273A (en) * | 2018-12-14 | 2019-03-15 | 中国船舶重工集团公司第七0七研究所 | Strapdown inertial navigation system inertance element dismounts non-calibrating method |
| CN110836780A (en) * | 2019-11-21 | 2020-02-25 | 中国汽车工程研究院股份有限公司 | Inertial navigation frame of automatic driving test equipment |
Citations (7)
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| US5133214A (en) * | 1990-05-18 | 1992-07-28 | New Sd, Inc. | Adjustment of scale factor linearity in a servo accelerometer |
| CN102431656A (en) * | 2011-09-01 | 2012-05-02 | 中国航空工业第六一八研究所 | Locking device for fastening inertial navigation system and mounting bracket |
| US8214148B2 (en) * | 2008-11-14 | 2012-07-03 | Honeywell International Inc. | Adaptive mounting within an inertial navigation system |
| CN202304839U (en) * | 2011-09-26 | 2012-07-04 | 九江中船仪表有限责任公司（四四一厂） | Gyroscope mounting device |
| CN103714864A (en) * | 2013-12-20 | 2014-04-09 | 河北汉光重工有限责任公司 | Leveling mechanism for inertial navigation apparatus |
| CN203638101U (en) * | 2013-12-19 | 2014-06-11 | 北京航天时代激光导航技术有限责任公司 | Aviation inertial navigation bracket based on support nails |
| CN204450377U (en) * | 2014-12-16 | 2015-07-08 | 北京航天新风机械设备有限责任公司 | A kind of inertial nevigation apparatus installation accuracy adjustment frock |
-
2014
- 2014-12-16 CN CN201410784451.9A patent/CN104493773B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5133214A (en) * | 1990-05-18 | 1992-07-28 | New Sd, Inc. | Adjustment of scale factor linearity in a servo accelerometer |
| US8214148B2 (en) * | 2008-11-14 | 2012-07-03 | Honeywell International Inc. | Adaptive mounting within an inertial navigation system |
| CN102431656A (en) * | 2011-09-01 | 2012-05-02 | 中国航空工业第六一八研究所 | Locking device for fastening inertial navigation system and mounting bracket |
| CN202304839U (en) * | 2011-09-26 | 2012-07-04 | 九江中船仪表有限责任公司（四四一厂） | Gyroscope mounting device |
| CN203638101U (en) * | 2013-12-19 | 2014-06-11 | 北京航天时代激光导航技术有限责任公司 | Aviation inertial navigation bracket based on support nails |
| CN103714864A (en) * | 2013-12-20 | 2014-04-09 | 河北汉光重工有限责任公司 | Leveling mechanism for inertial navigation apparatus |
| CN204450377U (en) * | 2014-12-16 | 2015-07-08 | 北京航天新风机械设备有限责任公司 | A kind of inertial nevigation apparatus installation accuracy adjustment frock |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396884A (en) * | 2018-10-19 | 2019-03-01 | 成都航利航空科技有限责任公司 | A kind of tooling and processing method of multistation processing fuel nozzle shell |
| CN109470273A (en) * | 2018-12-14 | 2019-03-15 | 中国船舶重工集团公司第七0七研究所 | Strapdown inertial navigation system inertance element dismounts non-calibrating method |
| CN110836780A (en) * | 2019-11-21 | 2020-02-25 | 中国汽车工程研究院股份有限公司 | Inertial navigation frame of automatic driving test equipment |
| CN110836780B (en) * | 2019-11-21 | 2020-11-03 | 中国汽车工程研究院股份有限公司 | Inertial navigation frame of automatic driving test equipment |
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| Publication number | Publication date |
|---|---|
| CN104493773B (en) | 2016-05-25 |
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