CN103712613A - Disc-type micro-mechanical solid fluctuation gyro sealing device with sliding dovetail groove and method - Google Patents
Disc-type micro-mechanical solid fluctuation gyro sealing device with sliding dovetail groove and method Download PDFInfo
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- CN103712613A CN103712613A CN201310687294.5A CN201310687294A CN103712613A CN 103712613 A CN103712613 A CN 103712613A CN 201310687294 A CN201310687294 A CN 201310687294A CN 103712613 A CN103712613 A CN 103712613A
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- fixture
- gyro
- screw
- bracing frame
- dovetail groove
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
- G01C19/5783—Mountings or housings not specific to any of the devices covered by groups G01C19/5607 - G01C19/5719
Abstract
The invention provides a disc-type micro-mechanical solid fluctuation gyro sealing device with a sliding dovetail groove and a method. The disc-type micro-mechanical solid fluctuation gyro sealing device comprises a base with a dovetail groove, an independent supporting frame, a slidable first clamp, a slidable second clamp and a plurality of screws; the upper part of the base is provided with the dovetail groove which is matched with the first clamp and the second clamp, the first clamp and the second clamp slide freely in the dovetail groove, and the first clamp is finally fixed on the base; the supporting frame can be installed on the base or disassembled from the base and is used for fixing a gyro to be tested, and is precisely fixed on the center of the gyro to be tested by utilizing the screw on the top and the screw on the bottom; the screws are used for fixing the first clamp, the second clamp, the supporting frame and the gyro to be tested. By adopting the disc-type micro-mechanical solid fluctuation gyro sealing device and the method, the signal of the gyro to be tested can be precisely outputted, and firmness in fixation can be realized; convenience in machining can be realized, and the machining precision can reach the expected requirement; the application range is wide, and the sealing device is applicable to different disc-type micro-mechanical solid fluctuation gyros in different sizes.
Description
Technical field
The present invention relates to micro electronmechanical and mechanical encapsulation clamp technology field, particularly, relate to disc type micromechanics solid fluctuation gyro packaging system and method that a kind of dovetail groove slides.
Background technology
Micromechanics solid fluctuation gyro is the inertia device based on coriolis effect work, in fields such as attitude control and navigator fixs, has very important effect.During work, gyro, in regular vibrational state, comprises driven-mode and sensed-mode.
For such gyro, during test, need to be arranged in a stationary installation, in order to avoid affect the proper vibration of gyro, cause gyro signal output out of true.Therefore, gyro fixedly had to a strict requirement.During installation, device must be fixed on the vibration nodal point (be fixed point, or gyro top offset being zero point) of gyro.But, while contacting with gyro, can produce supporting damping, the energy loss while causing gyro vibration, and contact point is more, and supporting damping is larger, and the energy loss causing is also just larger, also just more obvious on the impact of gyro output signal.
So the number that reduces point of fixity is a key factor that improves gyro output signal accuracy as far as possible.Yet fixing a gyro at least needs upper and lower two point of fixity, needs to be fixed on the center on the upper and lower surface of gyro.But, how can guarantee to be accurately aligned in gyro center and fixing after guarantee that it is a difficult problem that gyro is in horizontal level; Meanwhile, the complexity of method of operating also must not be an irrespective key factor fixedly time.
Summary of the invention
For defect of the prior art, the object of this invention is to provide disc type micromechanics solid fluctuation gyro packaging system and method that a kind of dovetail groove slides, this device has guaranteed that gyro signal to be tested exports more accurately, and fixed; Be convenient to processing, and machining precision can reach expection requirement; Applicability is wide, is applicable to the disc type micromechanics solid fluctuation gyro of various sizes.
According to an aspect of the present invention, the disc type micromechanics solid fluctuation gyro packaging system that provides a kind of dovetail groove to slide, comprising:
A base with dovetail groove,
An independent bracing frame,
The first fixture slidably,
The second fixture slidably, and
Some screws;
The first fixture, the second fixture can be free to slide in the dovetail groove of base, and the first fixture calculates and need mobile respective distance after measuring the diameter of gyro to be tested, and are finally fixed on base; Bracing frame can be installed on base or take off, for fixing of gyro to be tested; Screw is for fixing support rack, the first fixture, the second fixture and gyro to be tested;
One end of described the first fixture bottom surface is stiff end, and the center of stiff end is provided with screw, and screw is realized the fixing of the first fixture and base by this screw; The upper end edge horizontal direction of the first fixture medial surface is provided with Y type bracing frame; The upper end edge horizontal direction of described the second fixture medial surface is provided with rectangle bracing frame, and the rectangle bracing frame on the Y type bracing frame on described the first fixture and described the second fixture cooperatively interacts, and the two hold up the level of gyro to be tested jointly.
Preferably, the left and right sides on support frame as described above base is provided with a fixed block, on fixed block, be provided with screw, edge, the dovetail groove left and right sides be provided for respectively installing bracing frame and position corresponding screw, screw through the screw on fixed block and the screw on dovetail groove to realize being connected of bracing frame and base; When bracing frame is initial, by screw, be installed on base, after fixing gyro to be tested by mobile the first fixture and the second fixture and tightening for the screw at fixing gyro to be tested top and the screw of bottom, bracing frame is taken off and is installed on testing circuit board.
Preferably, the center of described dovetail groove is provided with circular hole, is convenient to screw easily the screw of bracing frame bottom.The position of center line on the both sides up and down of bracing frame is respectively arranged with screw, the screw of bottom runs through the screw at the circular hole of dovetail groove and the lower screw of bracing frame, top through the upper screw of bracing frame, is accurately fixed on the center of gyro to be tested by tightening the screw at top and the screw of bottom.
According to a further aspect in the invention, the disc type micromechanics solid fluctuation gyro method for packing that provides a kind of dovetail groove to slide, comprises the steps:
(a) base is put on horizontal table, bracing frame and base is fixed, and tightened with holding screw;
(b) the first fixture is slipped in the dovetail groove of base, and the first fixture and bracing frame opposite face are overlapped;
(c) diameter of measuring disc type micromechanics solid fluctuation gyro is d, calculates the distance L that the first fixture need to be moved to the left;
(d) the first fixture is moved to the left to L distance, and is screwed on base;
(e) screw of bottom is installed, is made the supporting surface of screw and the first fixture contour;
(f) place disc type micromechanics solid fluctuation gyro, and the first fixture is installed, be moved to the left disc type micromechanics solid fluctuation gyro-level is clamped;
(g) screw at top is installed, and is screwed to the screw with bottom disc type micromechanics solid fluctuation gyro is firmly fixed;
(h) bracing frame is taken off, fixing on circuit board after for the parameter testing of disc type micromechanics solid fluctuation gyro.
Compared with prior art, the present invention has following beneficial effect:
1, applicability is wide, and the disc type micromechanics solid fluctuation gyro of various sizes all can use this fixture to be fixed.
2, minimum with the contact point of gyro to be tested, only have upper and lower two, thereby greatly reduced the impact of supporting damping, guaranteed that gyro signal to be tested exports more accurately.
3, fixed, can by gyro to be tested firmly level fix.
4, the method that adopts machining, because parts are less, be convenient to processing and fabricating, and machining precision can reach expection requirement.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is one-piece construction schematic diagram of the present invention;
In figure: 1 is the base with dovetail groove, 2 is bracing frame, and 3 is the first fixture, and 4 is the second fixture;
Fig. 2 is the structural representation with dovetail groove base;
Fig. 3 is the structural representation of bracing frame;
Fig. 4 is the structure principle chart of the first fixture;
Fig. 5 is the structural representation of the second fixture;
Fig. 6 is moved to the left the schematic diagram of distance for calculating the first fixture;
Fig. 7 is for installing the screw at top and the screw of bottom schematic diagram afterwards.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the disc type micromechanics solid fluctuation gyro packaging system that the present embodiment provides a kind of dovetail groove to slide, comprising:
A base 1 with dovetail groove,
An independent bracing frame 2,
The first fixture 3 slidably,
The second fixture 4 slidably, and
Some for fixing the screw of the first fixture 3, the second fixture 4, bracing frame 2 and disc type micromechanics solid fluctuation gyro.
As depicted in figs. 1 and 2, the top of described base 1 is dug dovetail groove, and the cutting of dovetail groove middle part has a circular hole; The first fixture 3, the second fixture 4 are free to slide in the dovetail groove of base 1, and the first fixture 3 is finally fixed on base 1.
As shown in figures 1 and 3, support frame as described above 2 can be installed on base 1 or take off, for fixing of disc type micromechanics solid fluctuation gyro, bracing frame 2 utilizes the screw at top and the screw of bottom to be accurately fixed on the center (assembling of two screws as shown in Figure 7) of disc type micromechanics solid fluctuation gyro.
As shown in Figure 4, one end of described the first fixture 3 bottom surfaces is stiff end, and the center of stiff end is provided with screw, and screw is realized the fixing of the first fixture 3 and base 1 by this screw; The upper end edge horizontal direction of described the first fixture 3 medial surface A is provided with Y type bracing frame.
As shown in Figure 5, the upper end edge horizontal direction of described the second fixture 4 medial surfaces is provided with rectangle bracing frame.
Rectangle bracing frame on Y type bracing frame on described the first fixture 3 and described the second fixture 4 cooperatively interacts, and the two hold up the level of gyro to be tested jointly, then utilizes two screws of top on bracing frame 2 and bottom to carry out level and fixes.
Concrete encapsulation operation process is as follows:
(a) base 1 is put in horizontal table top, by bracing frame 2 and base 1 fixing (as shown in Figure 1), and with screw-driving;
(b) the first fixture 3 is slipped in the dovetail groove of base 1, and make the front end face A of the first fixture 3 and the left side B of bracing frame 2 coincidence (as shown in Figure 1);
(c) with the diameter that vernier caliper is measured disc type micromechanics solid fluctuation gyro, be d, calculate the distance L that the first fixture 3 need to be moved to the left, computing method are as follows:
As shown in Figure 6, the interior flex point that calculates Y type bracing frame on the first fixture during fixture in design and the first clamp base slidably distance between front end face (the face A in Fig. 4) are partly c, and the distance that the first fixture 3 need to be moved to the left is:
L=c+d-b-0.5e
Wherein, L is the distance that the first fixture 3 need to be moved to the left;
C is the slidably distance between the front end face (being the face A in Fig. 4) of part of the interior flex point of Y type bracing frame on the first fixture and the first clamp base;
D is the diameter of disc type micromechanics solid fluctuation gyro;
B is that two medial surfaces of Y type bracing frame on the first fixture intersect line afterwards and the distance between interior flex point;
E is half (as shown in Figure 3) of bracing frame 2 bottom fixed block width.
(d) the first fixture 3 is moved to the left to the distance of L, and is screwed on base 1;
(e) screw of bottom is installed, is made the supporting surface of screw and the first fixture 3 contour;
(f) place disc type micromechanics solid fluctuation gyro, and the first fixture 3 is installed, be moved to the left disc type micromechanics solid fluctuation gyro-level is clamped;
(g) screw at top is installed, and is screwed to the screw with bottom disc type micromechanics solid fluctuation gyro is firmly fixed; As shown in Figure 7;
(h) bracing frame 2 is taken off, fixing on circuit board after for the parameter testing of disc type micromechanics solid fluctuation gyro.
In the present embodiment, the material of described base 1 is metal, in order to finally to realize the fixing of disc type micromechanics solid fluctuation gyro.
In the present embodiment, the material of support frame as described above 2 is metal, in order to realize accurately fixing disc type micromechanics solid fluctuation gyro center.
In the present embodiment, the material of described the first fixture 3 and the second fixture 4 is metal, for auxiliary the accurately fixing of disc type micromechanics solid fluctuation gyro of realizing.
In the present embodiment, described screw material is metal.
Applicability of the present invention is wide, and the disc type micromechanics solid fluctuation gyro of various sizes all can use this fixture to be fixed; The contact point of described device and disc type micromechanics solid fluctuation gyro is minimum, thereby has greatly reduced the impact of supporting damping, has guaranteed that disc type micromechanics solid fluctuation gyro signal exports more accurately; Described device is fixed, can by disc type micromechanics solid fluctuation gyro firmly level fix; Described device adopts the method for machining, be convenient to processing and fabricating, and machining precision can reach expection requirement.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (9)
1. the disc type micromechanics solid fluctuation gyro packaging system that dovetail groove slides, is characterized in that, comprising:
A base with dovetail groove,
An independent bracing frame,
The first fixture slidably,
The second fixture slidably, and
Some screws;
The first fixture, the second fixture can be free to slide in the dovetail groove of base, and the first fixture calculates and need mobile respective distance after measuring the diameter of gyro to be tested, and are finally fixed on base; Bracing frame is installed on base or takes off, for fixing of gyro to be tested; Screw is for fixing support rack, the first fixture, the second fixture and gyro to be tested;
One end of described the first fixture bottom surface is stiff end, and the center of stiff end is provided with screw, and screw is realized the fixing of the first fixture and base by this screw; The upper end edge horizontal direction of the first fixture medial surface is provided with Y type bracing frame; The upper end edge horizontal direction of described the second fixture medial surface is provided with rectangle bracing frame, and the rectangle bracing frame on the Y type bracing frame on described the first fixture and described the second fixture cooperatively interacts, and the two hold up the level of gyro to be tested jointly.
2. the disc type micromechanics solid fluctuation gyro packaging system that a kind of dovetail groove according to claim 1 slides, it is characterized in that, the left and right sides on support frame as described above base is provided with a fixed block, on fixed block, be provided with screw, edge, the dovetail groove left and right sides is provided for respectively installing screw corresponding to bracing frame and position, screw through fixed block screw and dovetail groove screw to realize being connected of bracing frame and base; When bracing frame is initial, by screw, be installed on base, until fixing gyro to be tested and tighten after the screw at top and the screw of bottom for fixing gyro to be tested by mobile the first fixture and the second fixture, bracing frame is taken off and is installed on testing circuit board.
3. the disc type micromechanics solid fluctuation gyro packaging system that a kind of dovetail groove according to claim 2 slides, is characterized in that, the center of described dovetail groove is provided with circular hole, for screwing easily the screw of bracing frame bottom; The midline position on the upper and lower both sides of bracing frame is respectively arranged with screw, the screw of bottom runs through the screw at the circular hole of dovetail groove and the lower screw of bracing frame, top through the upper screw of bracing frame, is accurately fixed on the center of gyro to be tested by tightening these two screws.
4. the disc type micromechanics solid fluctuation gyro packaging system sliding according to a kind of dovetail groove described in claim 1-3 any one, is characterized in that, the material of described base is metal.
5. the disc type micromechanics solid fluctuation gyro packaging system sliding according to a kind of dovetail groove described in claim 1-3 any one, is characterized in that, the material of support frame as described above is metal.
6. the disc type micromechanics solid fluctuation gyro packaging system sliding according to a kind of dovetail groove described in claim 1-3 any one, it is characterized in that, the material of described the first fixture, the second fixture is metal, in order to auxiliary the accurately fixing of gyro to be tested of realizing.
7. the disc type micromechanics solid fluctuation gyro packaging system sliding according to a kind of dovetail groove described in claim 1-4 any one, is characterized in that, the material of described screw is metal.
8. a method for packing for gyro packaging system described in claim 1, is characterized in that: comprise the steps:
(a) base is put on horizontal table, bracing frame and base are fixed, and with screw-driving;
(b) the first fixture is slipped in the dovetail groove of base, and the first fixture and bracing frame opposite face are overlapped;
(c) diameter of measuring disc type micromechanics solid fluctuation gyro is d, calculates the distance L that the first fixture need to be moved to the left;
(d) the first fixture is moved to the left to L distance, and is screwed on base;
(e) screw of bottom is installed, is made the supporting surface of screw and the first fixture contour;
(f) place disc type micromechanics solid fluctuation gyro, and the first fixture is installed, be moved to the left disc type micromechanics solid fluctuation gyro-level is clamped;
(g) screw at top is installed, and is screwed to the screw with bottom disc type micromechanics solid fluctuation gyro is firmly fixed;
(h) bracing frame is taken off, fixing on circuit board after for the parameter testing of disc type micromechanics solid fluctuation gyro.
9. method according to claim 8, is characterized in that, described step (c), and the distance L computing method that the first fixture need to be moved to the left are as follows:
The interior flex point that calculates Y type bracing frame on the first fixture during fixture in design and the first clamp base slidably distance between front end face are partly c, and the distance that the first fixture need to be moved to the left is:
L=c+d-b-0.5e
Wherein,
L is the distance that the first fixture need to be moved to the left;
C is the slidably distance between the front end face of part of the interior flex point of Y type bracing frame on the first fixture and the first clamp base;
D is the diameter of disc type micromechanics solid fluctuation gyro;
B is that two medial surfaces of Y type bracing frame on the first fixture intersect line afterwards and the distance between interior flex point;
E is half of bracing frame bottom fixed block width.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310687294.5A CN103712613B (en) | 2013-12-13 | 2013-12-13 | The disc type micromechanics solid fluctuation gyro packaging system that dovetail groove slides and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310687294.5A CN103712613B (en) | 2013-12-13 | 2013-12-13 | The disc type micromechanics solid fluctuation gyro packaging system that dovetail groove slides and method |
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| CN103712613A true CN103712613A (en) | 2014-04-09 |
| CN103712613B CN103712613B (en) | 2016-04-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104287865A (en) * | 2014-10-23 | 2015-01-21 | 中国人民解放军总医院 | Fixing and observing device for living imaging of animal spinal cords |
| CN109538371A (en) * | 2018-09-18 | 2019-03-29 | 天津市巨星祥海机械有限公司 | A kind of engine housing connection structure and connection method |
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| CN102721395A (en) * | 2012-07-09 | 2012-10-10 | 合肥工业大学 | Multi-size camshaft phase angle measuring instrument |
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| CN101261126A (en) * | 2008-04-10 | 2008-09-10 | 上海交通大学 | Micro- solid mode gyroscope |
| CN101275835A (en) * | 2008-05-15 | 2008-10-01 | 北京航空航天大学 | Des-backbone winding ring chucking appliance for optical fiber gyroscope without rise optical fiber ring |
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