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CN102305246A - Dynamic tuned gyroscope bearing assembly fixture and method - Google Patents

Dynamic tuned gyroscope bearing assembly fixture and method Download PDF

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Publication number
CN102305246A
CN102305246A CN201110266693A CN201110266693A CN102305246A CN 102305246 A CN102305246 A CN 102305246A CN 201110266693 A CN201110266693 A CN 201110266693A CN 201110266693 A CN201110266693 A CN 201110266693A CN 102305246 A CN102305246 A CN 102305246A
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Prior art keywords
end surface
bearing
counterweight
lower clamp
inner ring
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CN201110266693A
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CN102305246B (en
Inventor
江文
陆志东
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No 618 Research Institute of China Aviation Industry
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No 618 Research Institute of China Aviation Industry
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  • Manufacture Of Motors, Generators (AREA)

Abstract

The invention belongs to a gyroscope assembly technology, and relates to improvement on a dynamic tuned gyroscope bearing assembly fixture and a dynamic tuned gyroscope bearing assembly method. The operating requirement of a low-precision flexibility gyroscope is met, the assembling process of a motor bearing is greatly simplified, the assembly fixture is simple, the fixture machining accuracy is not high, the assembly efficiency is improved, and part waste is reduced. Through detection, a flexible gyroscope motor bearing assembled by the fixture and the method completely meets the use requirement of the gyroscope.

Description

Dynamic tuned gyroscope bab bitting jig and assembly method
Technical field
The invention belongs to the gyro mounting technology, relate to improvement dynamic tuned gyroscope bab bitting jig and assembly method.
Background technique
The mechanical gyro middle (center) bearing is one of crucial parts, and the life-span of bearing directly has influence on the life-span of gyro.The load mode of correct choice bearing can improve the running accuracy of bearing, reduces because the non-normal working of the bearing that the assembling link causes improves efficiency of assembling and bearing life.Usually bearing be loaded with that nut loads, counterweight loads and lining loads three kinds of methods, but before the dual mode loading accuracy lower, generally requiring lower occasion to use.And in the loading of high accuracy gyroscope motor bearings, all adopt the lining loading usually or overlap the method that the complicated loading anchor clamps of highi degree of accuracy load with one in order to improve loading accuracy.Lining loads the length difference that utilizes neck bush [15] external bushing [16] and comes to load to bearing, in order to reduce the amount of grinding of lining, often need be equipped with the neck bush [15] of a plurality of sizes at the external bushing [16] of a fixed dimension down, causes a large amount of wastes of lining part.And this load mode needs the assembly crewman and the accurate detecting instrument of higher abrasive levels, and assembly period is long.
Summary of the invention
The objective of the invention is: it is short, easy and simple to handle to propose a kind of assembly period, need not the assembly crewman of higher abrasive levels and the dynamic tuned gyroscope bab bitting jig and the assembly method of accurate detecting instrument.
Technical solution of the present invention is: comprise a lower clamp, go up anchor clamps, load counterweight, counterweight locating stud and loading disc; Lower clamp, last anchor clamps, loading counterweight, counterweight locating stud and loading disc are formed load maintainer; A lower clamp axle is arranged on lower clamp, and electric machine rotational axis is installed on this lower clamp axle, and the lower end surface of lower clamp axle and lower clamp locating face are close to; Housing is installed on the lower clamp locating face, and the lower end surface of housing and lower clamp locating face are close to; Last anchor clamps are fixed on housing on the lower clamp; The counterweight locating stud withstands on the electric machine rotational axis; Loading disc is enclosed within on the counterweight locating stud; Loading counterweight is positioned on the loading disc.
Installation step is following:
(1) assembling
(1.1) lower clamp is placed on the worktable, electric machine rotational axis is set on the lower clamp axle, electric machine rotational axis lower end surface and lower clamp locating face are close to;
(1.2) housing is put on the lower clamp locating face, the lower end surface of housing and lower clamp locating face are close to, and use anchor clamps housing is fixed on the lower clamp;
(1.3) on lower bearing inner ring inner headed face and lower bearing outer ring periphery, coat adhesive glue, the lower bearing inner ring is set on the electric machine rotational axis, the lower end surface of lower bearing inner ring is located by the boss on the electric machine rotational axis;
(1.4) on the lower bearing outer ring, putting external bushing, fits in external bushing lower end surface and upper-end surface, lower bearing outer ring;
(1.5) coating adhesive glue at upper bearing (metal) inner ring inner headed face and upper bearing (metal) outer ring periphery, the upper bearing (metal) inner ring is set on the electric machine rotational axis, fits in the lower end surface of upper bearing (metal) outer ring and the upper-end surface of external bushing;
(1.6) loading disc is put on the upper bearing (metal) inner ring upper-end surface, fit in loading disc lower end surface and upper bearing (metal) inner ring upper-end surface, the counterweight locating stud is put on the electric machine rotational axis center hole, will load counterweight and be put on the loading disc;
(2) solidify drying
The anchor clamps that assemble are placed in the baking oven, oven temperature is elevated to 120 ± 5 ℃, be incubated 4~4.5 hours, then cool to room temperature;
(3) anchor clamps are taken out from baking oven, take off and load counterweight, counterweight locating stud, counterweight loading disc, unload anchor clamps, housing is taken out;
(4) energising inspection bearing load condition.
The described adhesive glue that on lower bearing inner ring inner headed face, lower bearing outer ring periphery and upper bearing (metal) inner ring inner headed face, upper bearing (metal) outer ring periphery, is coated with is the metal adhesive glue.
Advantage of the present invention is: when guaranteeing to satisfy low precision flexible gyroscope usage requirement, the assembly process of motor bearings is greatly simplified, assembly fixture is simple, and the anchor clamps machining accuracy is not high, has improved efficiency of assembling, has reduced the part waste.Through check, the flexible gyroscope motor bearings that uses anchor clamps of the present invention and method to assemble satisfies the usage requirement of gyro fully.
Description of drawings
Fig. 1 is existing lining assembly fixture and assembling condition schematic representation.
Fig. 2 is assembly fixture of the present invention and assembling condition schematic representation.
Embodiment
Explain further details in the face of the present invention down.Referring to Fig. 2, it comprises a lower clamp 1, loads counterweight 9, counterweight locating stud 10 and loading disc 11, and electric machine rotational axis 13 is enclosed within downwards on the lower clamp axle 4, and the lower end surface of electric machine rotational axis 13 is positioned on the locating face 3 of lower clamp 1.Lower bearing inner ring 2 is placed on the electric machine rotational axis 13; Housing 6 is placed on the lower clamp; Housing 6 lower end surfaces and lower clamp locating face 3 are fitted, and the lower end surface of lower bearing inner ring 2 is by the location of the boss on the electric machine rotational axis 13, and lower bearing outer ring 14 is placed on the inner ring 2 of lower bearing with retainer ball assembly; External bushing 5 is placed on the lower bearing outer ring 2; Fit in the upper-end surface of the lower end surface of external bushing 5 and lower bearing outer ring 2, upper bearing (metal) inner ring 7, retainer ball assembly and upper bearing (metal) outer ring 12 are enclosed within on the electric machine rotational axis 13, fits in the upper-end surface of the lower end surface of upper bearing (metal) outer ring 12 and external bushing 5.Between the faying surface of lower bearing inner ring 2 and electric machine rotational axis 13, be coated with adhesive glue; Between the faying surface of upper bearing (metal) inner ring 7 and electric machine rotational axis 13, be coated with adhesive glue; Corresponding position in housing 6 two ends and lower bearing outer ring 14 and 12 applyings of upper bearing (metal) outer ring applies adhesive glue; Loading disc 11 is placed on the gyro upper bearing (metal) inner ring 7; Counterweight locating stud 10 is put on electric machine rotational axis 13 center holes, fits in the upper-end surface of the lower end surface of loading disc 11 and upper bearing (metal) inner ring 7, puts at the upper surface of loading disc 11 and loads counterweight 9.The anchor clamps that assemble are sent into the assembling that baking oven carries out promptly accomplishing after the drying bearing.
Use the method for assembly fixture assembling gyroscope bearing as described above, its installation step is following:
1, assembling;
1.1, lower bearing inner ring 2 is placed on the electric machine rotational axis 13; Housing 6 is placed on the lower clamp; Housing 6 lower end surfaces and lower clamp locating face 3 are fitted, and the lower end surface of lower bearing inner ring 2 is by the location of the boss on the electric machine rotational axis 13, and lower bearing outer ring 14 is placed on the inner ring 2 of lower bearing with retainer ball assembly; External bushing 5 is placed on the lower bearing outer ring 2; Fit in the upper-end surface of the lower end surface of external bushing 5 and lower bearing outer ring 2, upper bearing (metal) inner ring 7, retainer ball assembly and upper bearing (metal) outer ring 12 are enclosed within on the electric machine rotational axis 13, fits in the upper-end surface of the lower end surface of upper bearing (metal) outer ring 12 and external bushing 5.Between the faying surface of lower bearing inner ring 2 and electric machine rotational axis 13, be coated with adhesive glue; Between the faying surface of upper bearing (metal) inner ring 7 and electric machine rotational axis 13, be coated with adhesive glue, coat adhesive glue with the corresponding position of fitting in upper bearing (metal) outer ring 12 at housing 6 two ends and lower bearing outer ring 14.
1.2, bearing loads;
Loading disc 11 being placed on the upper bearing (metal) inner ring 7, counterweight locating stud 10 is put on electric machine rotational axis 13 center holes, fits in the upper-end surface of the lower end surface of loading disc 11 and upper bearing (metal) inner ring 7, puts at the upper surface of loading disc 11 and loads counterweight 9.
2, solidify drying;
The anchor clamps that assemble are placed in the baking oven, oven temperature is elevated to 120 ± 5 ℃, be incubated 4~4.5 hours, then cool to room temperature;
3, anchor clamps are taken out from baking oven, take off and load counterweight 9, counterweight locating stud 10, counterweight loading disc 11, unload anchor clamps 8, housing 6 is taken out;
4, energising inspection bearing load condition.
Embodiment:
Example 1 is at first assembled.Carrying out bearing then loads; Loading disc 11 being placed on the upper bearing (metal) inner ring 7, counterweight locating stud 10 is put on electric machine rotational axis 13 center holes, fits in the upper-end surface of the lower end surface of loading disc 11 and upper bearing (metal) inner ring 7, adds the loading counterweight 9 of 500g weight at the upper surface of loading disc 11.Oven temperature is elevated to 120 ℃, is incubated 4.0 hours, then cool to room temperature.Anchor clamps are taken out from baking oven, take off and load counterweight 9, counterweight locating stud 10, counterweight loading disc 11, unload anchor clamps 8, housing 6 is taken out; Energising testing of electric motors inertia working time.
Example 2 is at first assembled.Carrying out bearing then loads; Loading disc 11 being placed on the upper bearing (metal) inner ring 7, counterweight locating stud 10 is put on electric machine rotational axis 13 center holes, fits in the upper-end surface of the lower end surface of loading disc 11 and upper bearing (metal) inner ring 7, adds the loading counterweight 9 of 700g weight at the upper surface of loading disc 11.Oven temperature is elevated to 120 ℃, is incubated 4.0 hours, then cool to room temperature.Anchor clamps are taken out from baking oven, take off and load counterweight 9, counterweight locating stud 10, counterweight loading disc 11, unload anchor clamps 8, housing 6 is taken out; Energising testing of electric motors inertia working time.
Example 3 is at first assembled.Carrying out bearing then loads; Loading disc 11 being placed on the upper bearing (metal) inner ring 7, counterweight locating stud 10 is put on electric machine rotational axis 13 center holes, fits in the upper-end surface of the lower end surface of loading disc 11 and upper bearing (metal) inner ring 7, adds the loading counterweight 9 of 900g weight at the upper surface of loading disc 11.Oven temperature is elevated to 120 ℃, is incubated 4.0 hours, then cool to room temperature.Anchor clamps are taken out from baking oven, take off and load counterweight 9, counterweight locating stud 10, counterweight loading disc 11, unload anchor clamps 8, housing 6 is taken out; Energising testing of electric motors inertia working time.

Claims (3)

1. dynamic tuned gyroscope bab bitting jig; It is characterized in that; Comprise a lower clamp [1], go up anchor clamps [8], load counterweight [9], counterweight locating stud [10] and loading disc [11], lower clamp [1], go up anchor clamps [8], load counterweight [9], counterweight locating stud [10] and loading disc [11] composition load maintainer.A lower clamp axle [4] is arranged on lower clamp [1]; Electric machine rotational axis [13] is installed on this lower clamp axle [4]; The lower end surface of lower clamp axle [4] and lower clamp locating face [3] are close to, and housing [6] is installed on the lower clamp locating face [3], and the lower end surface of housing [6] and lower clamp locating face [3] are close to; Last anchor clamps [8] are fixed on housing [6] on the lower clamp [1]; Counterweight locating stud [10] withstands on the electric machine rotational axis [13]; Loading disc [11] is enclosed within on the counterweight locating stud [10]; Loading counterweight [9] is positioned on the loading disc [11].
2. use the assembly method of the described dynamic tuned gyroscope bab bitting jig of claim 1, it is characterized in that installation step is following:
(1) assembling
(1.1) lower clamp [1] is placed on the worktable, electric machine rotational axis [13] is set on the lower clamp axle [4], electric machine rotational axis [13] lower end surface and lower clamp locating face [3] are close to;
(1.2) housing [6] is put on the lower clamp locating face [3], the lower end surface of housing [6] and lower clamp locating face [3] are close to, and use anchor clamps [8] housing [6] is fixed on the lower clamp [1];
(1.3) on lower bearing inner ring [2] inner headed face and lower bearing outer ring [14] periphery, coat adhesive glue, lower bearing inner ring [2] is set on the electric machine rotational axis [13], the lower end surface of lower bearing inner ring [2] is located by the boss on the electric machine rotational axis [13];
(1.4) on lower bearing outer ring [14], putting external bushing [5], fits in external bushing [5] lower end surface and upper-end surface, lower bearing outer ring [14];
(1.5) coating adhesive glue at upper bearing (metal) inner ring [7] inner headed face and upper bearing (metal) outer ring [12] periphery, upper bearing (metal) inner ring [7] is set on the electric machine rotational axis [13], fits in the upper-end surface of the lower end surface of upper bearing (metal) outer ring [12] and external bushing [5];
(1.6) loading disc [11] is put on upper bearing (metal) inner ring [7] upper-end surface, fit in loading disc [11] lower end surface and upper bearing (metal) inner ring [7] upper-end surface, counterweight locating stud [10] is put on electric machine rotational axis [13] center hole, will load counterweight [9] and be put on the loading disc [11];
(2) solidify drying
The anchor clamps that assemble are placed in the baking oven, oven temperature is elevated to 120 ± 5 ℃, be incubated 4~4.5 hours, then cool to room temperature;
(3) anchor clamps are taken out from baking oven, take off and load counterweight [9], counterweight locating stud [10], counterweight loading disc [11], unload anchor clamps [8], housing [6] is taken out;
(4) energising inspection bearing load condition.
3. the assembly method of dynamic tuned gyroscope bab bitting jig according to claim 2; It is characterized in that the described adhesive glue that on lower bearing inner ring [2] inner headed face, lower bearing outer ring [14] periphery and upper bearing (metal) inner ring [7] inner headed face, lower bearing outer ring [12] periphery, is coated with is the metal adhesive glue.
CN 201110266693 2011-09-01 2011-09-01 Dynamic tuned gyroscope bearing assembly fixture and method Active CN102305246B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN102305246B CN102305246B (en) 2012-12-12

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102944231A (en) * 2012-11-06 2013-02-27 北京航天时代光电科技有限公司 Optical path assembly auxiliary device of three-axis integral optical fiber gyroscope
CN103644901A (en) * 2013-12-05 2014-03-19 中国电子科技集团公司第二十六研究所 Assembly fixture and assembly detection system for sensitive meter of hemispherical resonator gyro
CN104283379A (en) * 2013-11-12 2015-01-14 西安励致科技有限公司 Assembling method for weight loading bearings of precision motor and drive mechanism
CN105004333A (en) * 2015-07-16 2015-10-28 陕西华燕航空仪表有限公司 Miniature dynamically tuned gyroscope
CN105300409A (en) * 2015-11-03 2016-02-03 北京自动化控制设备研究所 Lining loading method
CN106225981A (en) * 2016-07-01 2016-12-14 重庆天箭惯性科技有限公司 A kind of batch production detects the method that the assembling of dynamic tuned gyroscope bearing is the most qualified
CN106363408A (en) * 2016-11-25 2017-02-01 沈阳黎明航空发动机(集团)有限责任公司 Assembling process method for aircraft engine bearing
CN107014617A (en) * 2017-06-19 2017-08-04 沈阳飞机工业(集团)有限公司 The detection fixture of the shaped grooved self-lubricating bearing assembling of outer shroud

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020085780A1 (en) * 2000-12-06 2002-07-04 Hiromitsu Muraki Rolling bearing unit
US6560856B1 (en) * 2000-06-26 2003-05-13 International Business Machines Corporation Self-aligning fixture for pre-loading and aligning pivot bearing assemblies
CN2849303Y (en) * 2004-12-21 2006-12-20 洛阳轴研科技股份有限公司 Combined structure of integrated shaft jointing bearing
CN101969253A (en) * 2010-10-08 2011-02-09 洛阳轴研科技股份有限公司 Simple assembly method of end cover bearing of micro-gyro motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6560856B1 (en) * 2000-06-26 2003-05-13 International Business Machines Corporation Self-aligning fixture for pre-loading and aligning pivot bearing assemblies
US20020085780A1 (en) * 2000-12-06 2002-07-04 Hiromitsu Muraki Rolling bearing unit
CN2849303Y (en) * 2004-12-21 2006-12-20 洛阳轴研科技股份有限公司 Combined structure of integrated shaft jointing bearing
CN101969253A (en) * 2010-10-08 2011-02-09 洛阳轴研科技股份有限公司 Simple assembly method of end cover bearing of micro-gyro motor

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102944231B (en) * 2012-11-06 2015-08-19 北京航天时代光电科技有限公司 A kind of three-axis integrative fiber-optic gyroscope light path assembling servicing unit
CN102944231A (en) * 2012-11-06 2013-02-27 北京航天时代光电科技有限公司 Optical path assembly auxiliary device of three-axis integral optical fiber gyroscope
CN104283379A (en) * 2013-11-12 2015-01-14 西安励致科技有限公司 Assembling method for weight loading bearings of precision motor and drive mechanism
CN103644901B (en) * 2013-12-05 2016-02-03 中国电子科技集团公司第二十六研究所 For assembling jig and the assembly detection system of the responsive gauge outfit of hemispherical reso nance gyroscope
CN103644901A (en) * 2013-12-05 2014-03-19 中国电子科技集团公司第二十六研究所 Assembly fixture and assembly detection system for sensitive meter of hemispherical resonator gyro
CN105004333A (en) * 2015-07-16 2015-10-28 陕西华燕航空仪表有限公司 Miniature dynamically tuned gyroscope
CN105300409A (en) * 2015-11-03 2016-02-03 北京自动化控制设备研究所 Lining loading method
CN105300409B (en) * 2015-11-03 2018-09-18 北京自动化控制设备研究所 A kind of method of bushing load
CN106225981A (en) * 2016-07-01 2016-12-14 重庆天箭惯性科技有限公司 A kind of batch production detects the method that the assembling of dynamic tuned gyroscope bearing is the most qualified
CN106225981B (en) * 2016-07-01 2019-03-01 重庆天箭惯性科技有限公司 In a kind of batch production the assembly of detection dynamic tuned gyroscope bearing whether He Ge method
CN106363408A (en) * 2016-11-25 2017-02-01 沈阳黎明航空发动机(集团)有限责任公司 Assembling process method for aircraft engine bearing
CN106363408B (en) * 2016-11-25 2019-12-13 中国航发沈阳黎明航空发动机有限责任公司 assembly process method of aeroengine bearing
CN107014617A (en) * 2017-06-19 2017-08-04 沈阳飞机工业(集团)有限公司 The detection fixture of the shaped grooved self-lubricating bearing assembling of outer shroud
CN107014617B (en) * 2017-06-19 2023-04-18 沈阳飞机工业(集团)有限公司 Detection clamp for assembling outer ring grooved self-lubricating bearing

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