CN102305246B - Dynamic tuned gyroscope bearing assembly fixture and method - Google Patents
Dynamic tuned gyroscope bearing assembly fixture and method Download PDFInfo
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- CN102305246B CN102305246B CN 201110266693 CN201110266693A CN102305246B CN 102305246 B CN102305246 B CN 102305246B CN 201110266693 CN201110266693 CN 201110266693 CN 201110266693 A CN201110266693 A CN 201110266693A CN 102305246 B CN102305246 B CN 102305246B
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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
Technical field
The invention belongs to the gyro mounting technology, relate to improvement dynamic tuned gyroscope bab bitting jig and assembly method.
Background technology
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 high 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 alignment pin and loading disc; Lower clamp, last anchor clamps, loading counterweight, counterweight alignment pin 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 surface of lower clamp axle and lower clamp locating surface are close to; Housing is installed on the lower clamp locating surface, and the lower surface of housing and lower clamp locating surface are close to; Last anchor clamps are fixed on housing on the lower clamp; The counterweight alignment pin withstands on the electric machine rotational axis; Loading disc is enclosed within on the counterweight alignment pin; Loading counterweight is positioned on the loading disc.
Installation step is following:
(1) assembling
(1.1) lower clamp is placed on the workbench, electric machine rotational axis is set on the lower clamp axle, electric machine rotational axis lower surface and lower clamp locating surface are close to;
(1.2) housing is put on the lower clamp locating surface, the lower surface of housing and lower clamp locating surface 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 bonded adhesives, the lower bearing inner ring is set on the electric machine rotational axis, the lower 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 surface and upper surface, lower bearing outer ring;
(1.5) coating bonded adhesives 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 surface of upper bearing (metal) outer ring and the upper surface of external bushing;
(1.6) loading disc is put on the upper bearing (metal) inner ring upper surface, fit in loading disc lower surface and upper bearing (metal) inner ring upper surface, the counterweight alignment pin 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 alignment pin, counterweight loading disc, unload anchor clamps, housing is taken out;
(4) energising inspection bearing load condition.
The described bonded adhesives 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 bonded adhesives.
Advantage of the present invention is: when guaranteeing to satisfy low precision flexible gyroscope instructions for use, the assembling process of motor bearings is greatly simplified, assembling jig 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 instructions for use of gyro fully.
Description of drawings
Fig. 1 is existing lining assembling jig and confined state sketch map.
Fig. 2 is assembling jig of the present invention and confined state sketch map.
The specific 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 alignment pin 10 and loading disc 11, and electric machine rotational axis 13 is enclosed within downwards on the lower clamp axle 4, and the lower surface of electric machine rotational axis 13 is positioned on the locating surface 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 surfaces and lower clamp locating surface 3 are fitted, and the lower 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 surface of the lower 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 surface of the lower surface of upper bearing (metal) outer ring 12 and external bushing 5.Between the binding face of lower bearing inner ring 2 and electric machine rotational axis 13, be coated with bonded adhesives; Between the binding face of upper bearing (metal) inner ring 7 and electric machine rotational axis 13, be coated with bonded adhesives; Correspondence position in housing 6 two ends and lower bearing outer ring 14 and 12 applyings of upper bearing (metal) outer ring applies bonded adhesives; Loading disc 11 is placed on the gyro upper bearing (metal) inner ring 7; Counterweight alignment pin 10 is put on electric machine rotational axis 13 center holes, fits in the upper surface of the lower 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 assembling jig 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 surfaces and lower clamp locating surface 3 are fitted, and the lower 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 surface of the lower 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 surface of the lower surface of upper bearing (metal) outer ring 12 and external bushing 5.Between the binding face of lower bearing inner ring 2 and electric machine rotational axis 13, be coated with bonded adhesives; Between the binding face of upper bearing (metal) inner ring 7 and electric machine rotational axis 13, be coated with bonded adhesives, coat bonded adhesives with the correspondence 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 alignment pin 10 is put on electric machine rotational axis 13 center holes, fits in the upper surface of the lower 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 alignment pin 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 alignment pin 10 is put on electric machine rotational axis 13 center holes, fits in the upper surface of the lower 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 alignment pin 10, counterweight loading disc 11, unload anchor clamps 8, housing 6 is taken out; Energising testing of electric motors inertia running 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 alignment pin 10 is put on electric machine rotational axis 13 center holes, fits in the upper surface of the lower 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 alignment pin 10, counterweight loading disc 11, unload anchor clamps 8, housing 6 is taken out; Energising testing of electric motors inertia running 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 alignment pin 10 is put on electric machine rotational axis 13 center holes, fits in the upper surface of the lower 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 alignment pin 10, counterweight loading disc 11, unload anchor clamps 8, housing 6 is taken out; Energising testing of electric motors inertia running 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 alignment pin [10] and loading disc [11], lower clamp [1], go up anchor clamps [8], load counterweight [9], counterweight alignment pin [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]; Electric machine rotational axis [13] lower surface and lower clamp locating surface [3] are close to, and housing [6] is installed on the lower clamp locating surface [3], and the lower surface of housing [6] and lower clamp locating surface [3] are close to; Last anchor clamps [8] are fixed on housing [6] on the lower clamp [1]; Counterweight alignment pin [10] withstands on the electric machine rotational axis [13]; Loading disc [11] is enclosed within on the counterweight alignment pin [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 workbench, electric machine rotational axis [13] is set on the lower clamp axle [4], electric machine rotational axis [13] lower surface and lower clamp locating surface [3] are close to;
(1.2) housing [6] is put on the lower clamp locating surface [3], the lower surface of housing [6] and lower clamp locating surface [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 bonded adhesives, lower bearing inner ring [2] is set on the electric machine rotational axis [13], the lower 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 surface and upper surface, lower bearing outer ring [14];
(1.5) coating bonded adhesives 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 surface of the lower 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 surface; Fit in loading disc [11] lower surface and upper bearing (metal) inner ring [7] upper surface; Counterweight alignment pin [10] is put on electric machine rotational axis [13] center hole, will loads 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 alignment pin [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 the described dynamic tuned gyroscope bab bitting jig of use claim 1 according to claim 2; It is characterized in that the described bonded adhesives 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, upper bearing (metal) outer ring [12] periphery, is coated with is the metal bonded adhesives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110266693 CN102305246B (en) | 2011-09-01 | 2011-09-01 | Dynamic tuned gyroscope bearing assembly fixture and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110266693 CN102305246B (en) | 2011-09-01 | 2011-09-01 | Dynamic tuned gyroscope bearing assembly fixture and method |
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| CN102305246A CN102305246A (en) | 2012-01-04 |
| CN102305246B true CN102305246B (en) | 2012-12-12 |
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| 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 |
| 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 |
| CN105004333A (en) * | 2015-07-16 | 2015-10-28 | 陕西华燕航空仪表有限公司 | Miniature dynamically tuned gyroscope |
| 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 |
| 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 |
| 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 |
| 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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| US6560856B1 (en) * | 2000-06-26 | 2003-05-13 | International Business Machines Corporation | Self-aligning fixture for pre-loading and aligning pivot bearing assemblies |
| US6709162B2 (en) * | 2000-12-06 | 2004-03-23 | Nsk Ltd. | 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 |
| CN101969253B (en) * | 2010-10-08 | 2012-09-26 | 洛阳轴研科技股份有限公司 | Simple assembly method of end cover bearing of micro-gyro motor |
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