CN203687952U - Assembly fixture for sensitive gauge head of hemispherical resonance gyroscope - Google Patents
Assembly fixture for sensitive gauge head of hemispherical resonance gyroscope Download PDFInfo
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- CN203687952U CN203687952U CN201320797313.5U CN201320797313U CN203687952U CN 203687952 U CN203687952 U CN 203687952U CN 201320797313 U CN201320797313 U CN 201320797313U CN 203687952 U CN203687952 U CN 203687952U
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Abstract
The utility model discloses an assembly fixture for a sensitive gauge head of a hemispherical resonance gyroscope. The assembly fixture comprises a base, a hollow cylinder, a positioning pin screw rod, a plurality of support posts and a plurality of micrometer depth gauges, wherein the hollow cylinder is arranged at the central position of the base, and is perpendicular to a plane where the base is positioned; the support posts are uniformly arranged on the outer side of the base, and are perpendicular to the plane where the base is positioned; one micrometer depth gauge is vertically arranged on each support post, and the micrometer depth gauges are positioned on the same horizontal plane; a horizontal plane where the micrometer depth gauges are positioned is higher than a horizontal plane where the top end of the hollow cylinder is positioned; the positioning pin screw rod is arranged on the side wall of the hollow cylinder, and is perpendicular to the side wall of the hollow cylinder. The assembly fixture is easy to operate. By adopting the assembly fixture, the assembly time can be shortened, micro-displacement adjustment can be performed accurately, and the assembly efficiency is increased greatly.
Description
Technical field
The utility model relates to a kind of assembling jig for the responsive gauge outfit of hemispherical reso nance gyroscope.
Background technology
Hemispherical reso nance gyroscope has larger difference with classical gyro in structure and principle.Hemispherical reso nance gyroscope is to utilize the warp-wise stationary wave vibration of hemispherical Shell antelabium to survey a kind of oscillation gyro of pedestal rotation, there is not high speed rotor and movable supporting, there is the unique advantages such as volume is little, lightweight, low in energy consumption, start-up time is short, antijamming capability is strong, be subject in recent years the great attention of inertial technology circle.
The responsive gauge outfit of hemispherical reso nance gyroscope is by encouraging cover 100, reading pedestal 200 and hemispherical resonator 300 amounts to three parts precisions and is assembled, as shown in Figure 1, described hemispherical resonator 300 is encouraging cover 100 and is reading between pedestal 200, and between the surface of described hemispherical resonator 300 and excitation cover 100 and read and respectively there is a little gap between pedestal 200 and hemispherical resonator 300, the outside surface of described hemispherical resonator 300 forms little electric capacity with encouraging 16 exciting electrodes 110 set on the inside surface of cover 100, the inside surface of described hemispherical resonator 300 with read eight read-out electrodes 220 set on the outside surface of pedestal 200 and form little electric capacity.By apply corresponding voltage on exciting electrode 110, utilize electrostatic force to drive hemispherical resonator 300 to produce vibration.By reading the variation of the electric capacity between pedestal 200 and hemispherical resonator 300, the displacement of detection hemi-sphere harmonic oscillator 300, extracts the control signal such as amplitude, phase place, frequency of hemispherical resonator 300.
Due to the unique shape of hemispherical resonator 300, in assembling process, the center-pole two ends of described hemispherical resonator 300 are firmly welded on excitation cover 100 and read in the axis hole of pedestal 200, and the lip of described excitation cover 100 is along welding with the end face of reading pedestal 200.Described excitation cover 100, hemispherical resonator 300 and read quality that pedestal 200 assembles and directly affect the overall performance of gyro.
Existing excitation cover with read pedestal assembly detection system and generally all adopt screw rod to position, to there is following shortcoming in structure so in the time that reality is used: the precision that screw rod is adjusted is inadequate, can not carry out the adjustment of microdisplacement, the adjustment period of gap between adjust repeatedly, efficiency is lower; Adjusting screw(rod) does not have lock function, and having adjusted rear screw rod has the trace of part to move, and causes the gap of adjusting to occur again larger deviation; There is larger error in screw rod adjustment, coarse adjustment and fine setting are difficult for holding, and cause gap error larger, and unevenness probability is larger, adjusts result inaccurate; The inhomogeneous direct exciting electrode of gyro and the capacitance of detecting electrode of affecting in fit-up gap, the phase error of detection signal and the range error of signal that are embodied in gyro output are larger.
Utility model content
The utility model embodiment technical matters to be solved is, provide a kind of simple to operate, can shorten installation time, can accurately carry out the adjustment of micrometric displacement and greatly improve efficiency of assembling and assembly yield the responsive gauge outfit of hemispherical reso nance gyroscope excitation cover with read pedestal assembling jig.
The utility model provides a kind of assembling jig for the responsive gauge outfit of hemispherical reso nance gyroscope, comprise base, hollow cylinder, register pin screw rod, some strut rod and some micrometric depth gauges, described hollow cylinder is arranged at the center of base and perpendicular with the plane at base place, described some strut rod are evenly arranged at the outside of base and all perpendicular with the plane at base place, in each strut rod, be vertically installed with a micrometric depth gauge, and described some micrometric depth gauges are positioned in same level, the surface level at described some micrometric depth gauges place is higher than the surface level at the place, top of hollow cylinder, described register pin screw rod is installed on the sidewall of hollow cylinder and is perpendicular with the sidewall of described hollow cylinder.
Wherein, described base is rounded, and the center of circle of described base and hollow cylinder is positioned in same point.
Wherein, described some strut rod are evenly installed on the excircle of base, and the circle that forms of described some strut rod and the center of circle of base and hollow cylinder are positioned on same vertical line.
Wherein, the center of circle of the intersection point of the extended line of the sounding rod of described some micrometric depth gauges and the top end face of hollow cylinder is positioned on same vertical line.
Wherein, the quantity of described strut rod and micrometric depth gauge is four.
Above-mentioned assembling jig has following beneficial effect: in the time that assembling detects, according to the size of adjusting play size, above-mentioned micrometric depth gauge can carry out coarse adjustment and fine setting to hemispherical resonator, and the homogeneity adjustment in gap can settle at one go, high conformity, all products need not be readjusted and without technique phenomenon repeatedly, accuracy and yield rate are high.Meanwhile, cover and read in the assembling process of pedestal in excitation, reading pedestal by register pin locked with bolts excitation cover and by the locking device locking of micrometric depth gauge, guaranteeing gap homogeneity, reducing fabrication error.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing;
Fig. 1 is the three-dimensional exploded view of the responsive gauge outfit of hemispherical reso nance gyroscope.
Fig. 2 is the functional-block diagram of the utility model for the assembly detection system of the responsive gauge outfit of hemispherical reso nance gyroscope.
Fig. 3 is the structural drawing of accurate assembling jig in Fig. 2.
Fig. 4 is the functional-block diagram of dynamic detection system in Fig. 2.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Should be understood that, although can use the term such as " first ", " second " to describe various elements herein, these elements should not limited by these terms.These terms are only used for distinguishing an element and another element.Therefore " first " element of, below discussing also can be called as " second " element and not depart from instruction of the present utility model.Should be understood that, in the time mentioning an element " connection " or " connection " to another element, it can directly connect or directly be connected to another element or also can have intermediary element.On the contrary, in the time mentioning that an element " directly connects " or " directly connecting " arrives another element, there is not intermediary element.
Term is only not intended to conduct to restriction of the present utility model for describing the object of concrete embodiment as used herein.As used herein, unless context clearly point out in addition, singulative intention also comprises plural form.
It should be further understood that, when using in this manual term " to comprise " and/or when " including ", these terms have indicated the existence of described feature, entirety, step, operation, element and/or parts, but also do not get rid of the existence of above other features, entirety, step, operation, element, parts and/or its group and/or add.
Refer to Fig. 2, the utility model comprises accurate assembling jig 80 and dynamic detection system 90 for the preferred embodiments of the assembly detection system of the responsive gauge outfit of hemispherical reso nance gyroscope, described accurate assembling jig 80, as shown in Figure 3, described accurate assembling jig comprises base 1, hollow cylinder 2, register pin screw rod 3, some strut rod 5 and some micrometric depth gauges 6.Described hollow cylinder 2 is arranged at the center of base 1 and perpendicular with the plane at base 1 place, described some strut rod 5 are evenly arranged at the outside of base 1 and all perpendicular with the plane at base 1 place, in each strut rod 5, be vertically installed with a micrometric depth gauge 6, and described some micrometric depth gauges 6 are positioned in same level, the surface level at described some micrometric depth gauges 6 places is higher than the surface level at the place, top of hollow cylinder 2.Described register pin screw rod 3 is installed on the sidewall of hollow cylinder 2 and is perpendicular with the sidewall of described hollow cylinder 2.
In present embodiment, described base 1 is rounded, and described base 1 is positioned in same point with the center of circle of hollow cylinder 2.The quantity of described strut rod 5 and micrometric depth gauge 6 is four, and described first to fourth strut rod 5 is evenly installed on the excircle of base 1, and the circle that forms of described first to fourth strut rod 5 and the center of circle of base 1 and hollow cylinder 2 are positioned on same vertical line.The center of circle of the top end face of the intersection point of the extended line of described first to fourth micrometric depth gauge 6 and hollow cylinder 2 is positioned on same vertical line.
In above-mentioned accurate assembling jig 80, described hollow cylinder 2 is for placing mounted hemispherical resonator and excitation cover, and by the register pin screw rod 3 being arranged on the sidewall of hollow cylinder 2, excitation cover is fixed.In described accurate assembling jig, other element will describe follow-up.
Shown in Fig. 4, described dynamic detection system 90 comprises signal source 91, some signals collecting sensors 93, data processor 95 and display 97, described signal source 91 for output drive signal to hemispherical resonator, described signals collecting sensor 93 is connected with the read-out electrode of reading pedestal, to gather the output signal of hemispherical reso nance gyroscope, described data processor 95 and display 97 are all connected with signals collecting sensor 93, to receive the signal being collected from signals collecting sensor 93.In present embodiment, the quantity of described signals collecting sensor 93 is four, and its correspondence is installed on four read-out electrodes reading pedestal.Described display 97 is for showing the test value of reading four read-out electrode places on pedestal, described data processor 95 is for collected four output signals and standard value are compared to computing, and continues to be demonstrated and read adjustment direction and the adjusted value of pedestal four positions by display 97.To make simple explanation to how to adjust with a simple example below.
Such as, in the time of assembling, through going out after coarse regulation, the test value at four read-out electrode places (being below designated as respectively primary importance to the four positions) that display 97 shows is 2.28V, 2.05V, 2.10V and 2.30V respectively, wherein primary importance and the 3rd position coincide with a straight line (being called for short A straight line), the second place and the 4th position coincide with another straight line (being called for short B straight line), and mutually vertical with A straight line.Be the milscale 6 at corresponding primary importance place by the micrometric depth gauge 6(adjusting on A straight line) and B straight line on micrometric depth gauge 6(be the milscale 6 at corresponding second place place) reduce first and the test value of the 4th position, and increase the test value of the second place and the 3rd position, so that the test value of first on A straight line and the 3rd position reaches (2.28+2.10)/2=2.19, the test value of second on B straight line and the 4th position reaches (2.05+2.30)/2=2.18.
To how realize assembling to above-mentioned assembly detection system below simply describes:
The first step: take compared with the face of cylinder of big circumference as workbench (being base 1), hollow cylinder 2 is installed in center at base 1, in four strut rod 5 of circumferential edges at right angle setting of base 1, four strut rod 5 are uniformly distributed on same circumference, and concentric with the center of circle of base 1, hollow cylinder 2, the micrometric depth gauge 6 of four models of the same race is vertically mounted on respectively in four strut rod 5, and be positioned in same level, the intersection point that the sounding rod of described four micrometric depth gauges 6 extends and the center of circle of base 1 are positioned on same vertical line.In the circle wall of described hollow cylinder, locking device is installed, i.e. register pin screw rod 3.
Second step: the hemispherical resonator assembling and excitation cover are placed on to the top of hollow cylinder 2, and lock and encourage cover with register pin screw rod 3.
The 3rd step: pedestal is read in assembling, will read central shaft hole on pedestal and aim at the lower end of the center-pole of hemispherical resonator, the mark line of reading pedestal and aim at the mark line of excitation cover, wherein said periphery of reading base sleeve and be located at hollow cylinder 2.
The 4th step: connect signal source 91, four signals collecting sensors 93, display 97 and data processors 95, wherein said signal source 91 is connected with the high-pressure side of exciting electrode, described four signals collecting sensor 93 correspondences are connected with contiguous four micrometric depth gauges 6 and along four read-out electrodes of even circumferential distribution, described four signals collecting sensors are all connected with display 97 and data processor 95, put into scolder at weld afterwards, heating is with melting solder.Wherein, described weld comprises that the two ends of the center-pole of hemispherical resonator are respectively welded to excitation cover and read in the axis hole of pedestal, and the lip of described excitation cover is along welding mutually with the end face of reading pedestal.
The 5th step: the sounding rod of four micrometric depth gauges 6 is contacted with the face of cylinder of reading pedestal, adjust micrometric depth gauge 6 according to the demonstration result of display 97, until the data of output basically identical (in present embodiment be degree of error be less than or equal to 0.02V) between the data of four read-out electrode places output, figure is almost complete when overlapping, the locking device of locking micrometric depth gauge 6, the assembling detection that completes the excitation cover of the responsive gauge outfit of hemispherical reso nance gyroscope and read pedestal.In the time that the data of described four read-out electrode institute output terminals are basically identical, show described hemispherical resonator and read gap between pedestal comparatively even.
Above-mentioned assembly detection system is compared existing assembly detection system and is had following beneficial effect: whole assembly detection system adopts integrated, energy automatic data collection, and according to analysis of data collected comparison, provide concrete adjustment mode and method, technique is simple, easy to operate; And, in the time that assembling detects, according to the size of adjusting play size, above-mentioned micrometric depth gauge can carry out coarse adjustment and fine setting to hemispherical resonator, and the homogeneity adjustment in gap can settle at one go, high conformity, all products need not be readjusted and without technique phenomenon repeatedly, accuracy and yield rate are high.Meanwhile, cover and read in the assembling process of pedestal in excitation, reading pedestal by register pin locked with bolts excitation cover and by the locking device locking of micrometric depth gauge, guaranteeing gap homogeneity, reducing fabrication error.
Operated and learnt by practical set, the fit-up gap error of existing assembly detection system is generally 30%, and installation time is 15～20 minutes, and the installation time of assembly detection system of the present utility model is for being less than 5 minutes, and fit-up gap error is for being less than 5%.The responsive gauge outfit of gyro that adopts assembly detection system of the present utility model to assemble out can meet the requirement of Gyro Precision and engineering application completely.
The innovative point of the utility model assembly detection system is in the fine setting and locking judgement in gap, pass through the micro-tensioning system of micrometric depth gauge and the homogeneity of register pin bolt adjusting play, and can be adjusted intuitively mode by data processor and display.The utility model assembly detection system can be adjusted micrometric depth gauge on one side, watches display on one side, therefore can once be seated, avoids repeatedly assembling, repeatedly adjusts, repeatedly detects, and efficiency is high, precision good.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (5)
1. the assembling jig for the responsive gauge outfit of hemispherical reso nance gyroscope, it is characterized in that: described assembling jig comprises base, hollow cylinder, register pin screw rod, some strut rod and some micrometric depth gauges, described hollow cylinder is arranged at the center of base and perpendicular with the plane at base place, described some strut rod are evenly arranged at the outside of base and all perpendicular with the plane at base place, in each strut rod, be vertically installed with a micrometric depth gauge, and described some micrometric depth gauges are positioned in same level, the surface level at described some micrometric depth gauges place is higher than the surface level at the place, top of hollow cylinder, described register pin screw rod is installed on the sidewall of hollow cylinder and is perpendicular with the sidewall of described hollow cylinder.
2. the assembling jig for the responsive gauge outfit of hemispherical reso nance gyroscope as claimed in claim 1, it is characterized in that: described base is rounded, and the center of circle of described base and hollow cylinder is positioned in same point.
3. the assembling jig for the responsive gauge outfit of hemispherical reso nance gyroscope as claimed in claim 2, it is characterized in that: described some strut rod are evenly installed on the excircle of base, and the circle that forms of described some strut rod and the center of circle of base and hollow cylinder are positioned on same vertical line.
4. the assembling jig for the responsive gauge outfit of hemispherical reso nance gyroscope as claimed in claim 3, is characterized in that: the center of circle of the intersection point of the extended line of the sounding rod of described some micrometric depth gauges and the top end face of hollow cylinder is positioned on same vertical line.
5. the assembling jig for the responsive gauge outfit of hemispherical reso nance gyroscope as claimed in claim 4, is characterized in that: the quantity of described strut rod and micrometric depth gauge is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797313.5U CN203687952U (en) | 2013-12-05 | 2013-12-05 | Assembly fixture for sensitive gauge head of hemispherical resonance gyroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797313.5U CN203687952U (en) | 2013-12-05 | 2013-12-05 | Assembly fixture for sensitive gauge head of hemispherical resonance gyroscope |
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| CN203687952U true CN203687952U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320797313.5U Withdrawn - After Issue CN203687952U (en) | 2013-12-05 | 2013-12-05 | Assembly fixture for sensitive gauge head of hemispherical resonance gyroscope |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109238308A (en) * | 2018-10-31 | 2019-01-18 | 中国船舶重工集团公司第七0七研究所 | A kind of the high-accuracy modal test system and test method of metal tubular resonant gyroscope |
| CN118293897A (en) * | 2024-06-06 | 2024-07-05 | 四川图林科技有限责任公司 | Hemispherical resonant gyro with integrated structure |
-
2013
- 2013-12-05 CN CN201320797313.5U patent/CN203687952U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN109238308A (en) * | 2018-10-31 | 2019-01-18 | 中国船舶重工集团公司第七0七研究所 | A kind of the high-accuracy modal test system and test method of metal tubular resonant gyroscope |
| CN118293897A (en) * | 2024-06-06 | 2024-07-05 | 四川图林科技有限责任公司 | Hemispherical resonant gyro with integrated structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20160203 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |