CN103712613B - The disc type micromechanics solid fluctuation gyro packaging system that dovetail groove slides and method - Google Patents

The disc type micromechanics solid fluctuation gyro packaging system that dovetail groove slides and method Download PDF

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Publication number
CN103712613B
CN103712613B CN201310687294.5A CN201310687294A CN103712613B CN 103712613 B CN103712613 B CN 103712613B CN 201310687294 A CN201310687294 A CN 201310687294A CN 103712613 B CN103712613 B CN 103712613B
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China
Prior art keywords
fixture
screw
gyro
bracing frame
dovetail groove
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CN201310687294.5A
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CN103712613A (en
Inventor
张卫平
刘亚东
邹阳
许仲兴
成宇翔
唐健
汪濙海
张弓
孙殿竣
陈文元
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/56Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
    • G01C19/5783Mountings or housings not specific to any of the devices covered by groups G01C19/5607 - G01C19/5719

Abstract

The invention provides disc type micromechanics solid fluctuation gyro packaging system and the method for the slip of a kind of dovetail groove, comprising: a base with dovetail groove, an independent bracing frame, slidably first, second fixture and some screws; Wherein: the top of base is dug the dovetail groove matched with the first fixture, the second fixture, and the first fixture, the second fixture are free to slide in dovetail groove, and the first fixture is finally fixed on base; Bracing frame can be installed on base or take off, and fixing for gyro to be tested, utilizes the screw of the screw at top and bottom to be accurately fixed on the center of gyro to be tested; Screw is used for fixing the first fixture, the second fixture, bracing frame and gyro to be tested.This invention ensures 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.

Description

The disc type micromechanics solid fluctuation gyro packaging system that dovetail groove slides and method
Technical field
The present invention relates to micro electronmechanical and mechanical encapsulation clamp art, particularly, relate to disc type micromechanics solid fluctuation gyro packaging system and the method for a kind of dovetail groove slip.
Background technology
Micromechanics solid fluctuation gyro is the inertia device based on coriolis effect work, has very important effect in the field such as gesture stability and navigator fix.During work, gyro is 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 to export out of true.Therefore, strict requirement is fixedly had to gyro.During installation, device must be fixed on the vibration nodal point (i.e. fixed point, or gyro top offset is the point of zero) of gyro.But can produce supporting damping when contacting with gyro, cause energy loss during gyroscopic vibration, and contact point is more, supporting damping is larger, and the energy loss caused is also larger, also more obvious on the impact of gyro output signals.
So the number reducing point of fixity is the key factor improving gyro output signals precision as far as possible.But fixing a gyro at least needs upper and lower two point of fixity, namely needs the center being fixed on the upper and lower surface of gyro.But, how can ensure accurately to be aligned in gyro center and fixing after to ensure that gyro is in horizontal level be a difficult problem; Meanwhile, time fixing, the complexity of method of operating also must not be an irrespective key factor.
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 the method for a kind of dovetail groove slip, this device ensure 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 providing a kind of dovetail groove to slide, comprising:
A base with dovetail groove,
An independent bracing frame,
Slidably the first fixture,
Slidably the second fixture, and
Some screws;
First fixture, the second fixture can be free to slide in the dovetail groove of base, and the first fixture calculates the respective distance needing movement after the diameter measuring gyro to be tested, and are finally fixed on base; Bracing frame can be installed on base or take off, fixing for gyro to be tested; Screw is used for fixing support rack, the first fixture, the second fixture and gyro to be tested;
One end of described first fixture bottom surface is stiff end, and the center of stiff end is provided with screw, and screw realizes 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 second fixture medial surface is provided with rectangle bracing frame, and the rectangle bracing frame on the Y type bracing frame on described first fixture and described second fixture cooperatively interacts, and the two common horizontal holds up gyro to be tested.
Preferably, the left and right sides on support frame as described above base is provided with a fixed block, fixed block is provided with screw, edge, the dovetail groove left and right sides arrange respectively for bracing frame is installed and position corresponding screw, screw through the screw on fixed block and the screw on dovetail groove to realize the connection of bracing frame and base; Be installed on base by screw when bracing frame is initial, until fixing gyro to be tested by mobile first fixture and the second fixture and tightening after for the fixing screw at gyro top to be tested 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 the screw screwed easily bottom bracing frame.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 lower screw of the circular hole of dovetail groove and bracing frame, the screw at top through the upper screw of bracing frame, is accurately fixed on the center of gyro to be tested by the screw of the screw and bottom of tightening top.
According to a further aspect in the invention, the disc type micromechanics solid fluctuation gyro method for packing providing a kind of dovetail groove to slide, comprises the steps:
A base is put on horizontal table by (), bracing frame and base are fixed, and tightens with holding screw;
B first fixture slips in the dovetail groove of base by (), and the first fixture and bracing frame opposite face are overlapped;
C diameter that () measures disc type micromechanics solid fluctuation gyro is d, calculates the distance L that the first fixture needs to be moved to the left;
D first fixture is moved to the left L distance by (), and be screwed on base;
E () installs the screw of bottom, make the supporting surface of screw and the first fixture contour;
F () places disc type micromechanics solid fluctuation gyro, and install the first fixture, is moved to the left disc type micromechanics solid fluctuation gyro horizontal-clamping;
G () installs the screw at top, and screw to the screw with bottom and disc type micromechanics solid fluctuation gyro firmly fixed;
H bracing frame takes off by (), for the parameter testing of disc type micromechanics solid fluctuation gyro after fixing on circuit boards.
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, thus greatly reduce the impact of supporting damping, ensure that gyro signal to be tested exports more accurately.
3, fixed, can by gyro to be tested firmly level fix.
4, adopt the method for 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 done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
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 of band 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 the schematic diagram that calculating first fixture is moved to the left distance;
Fig. 7 installs the schematic diagram after the screw at top and the screw of bottom.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.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,
Slidably the first fixture 3,
Slidably the second fixture 4, and
Some screws for fixing the first fixture 3, 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 in the middle part of dovetail groove, cutting has a circular hole; First fixture 3, second fixture 4 is 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, fixing for disc type micromechanics solid fluctuation gyro, bracing frame 2 utilizes the screw of the screw at top and 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 first fixture 3 bottom surface is stiff end, and the center of stiff end is provided with screw, and screw realizes the fixing of the first fixture 3 and base 1 by this screw; The upper end edge horizontal direction of described 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 second fixture 4 medial surface is provided with rectangle bracing frame.
Rectangle bracing frame on Y type bracing frame on described first fixture 3 and described second fixture 4 cooperatively interacts, and the two common horizontal holds up gyro to be tested, then utilizes two screws of the 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 (), by bracing frame 2 and base 1 fixing (as shown in Figure 1), and with screw-driving;
B first fixture 3 slips in the dovetail groove of base 1 by (), and make the front end face A of the first fixture 3 and left side B of bracing frame 2 overlap (as shown in Figure 1);
C () is d with the diameter that disc type micromechanics solid fluctuation gyro measured by vernier caliper, calculate the distance L that the first fixture 3 needs to be moved to the left, computing method are as follows:
As shown in Figure 6, calculating on the first fixture the distance slidably between front end face (the face A in Fig. 4) partly of flex point and the first clamp base in Y type bracing frame when designing fixture is c, then the first fixture 3 needs the distance be moved to the left to be:
L=c+d-b-0.5e
Wherein, L is the distance that the first fixture 3 needs to be moved to the left;
C is the distance between the front end face (the face A namely in Fig. 4) of the interior flex point of Y type bracing frame on the first fixture and the first clamp base slidably part;
D is the diameter of disc type micromechanics solid fluctuation gyro;
B is line after two medial surfaces of Y type bracing frame on the first fixture intersect and the distance between interior flex point;
E is the half (as shown in Figure 3) of fixed block width bottom bracing frame 2.
D first fixture 3 is moved to the left the distance of L by (), and be screwed on base 1;
E () installs the screw of bottom, make the supporting surface of screw and the first fixture 3 contour;
F () places disc type micromechanics solid fluctuation gyro, and install the first fixture 3, is moved to the left disc type micromechanics solid fluctuation gyro horizontal-clamping;
G () installs the screw at top, and screw to the screw with bottom and disc type micromechanics solid fluctuation gyro firmly fixed; As shown in Figure 7;
H bracing frame 2 takes off by (), for the parameter testing of disc type micromechanics solid fluctuation gyro after fixing on circuit boards.
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 first fixture 3 and the second fixture 4 is metal, realizes the accurately fixing of disc type micromechanics solid fluctuation gyro for auxiliary.
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, thus greatly reduces the impact of supporting damping, ensure 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 is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.

Claims (9)

1. a disc type micromechanics solid fluctuation gyro packaging system for dovetail groove slip, is characterized in that, comprising:
A base with dovetail groove,
An independent bracing frame,
Slidably the first fixture,
Slidably the second fixture, and
Some screws;
First fixture, the second fixture can be free to slide in the dovetail groove of base, and the first fixture calculates the respective distance needing movement after the diameter measuring gyro to be tested, and are finally fixed on base; Bracing frame is installed on base or takes off, fixing for gyro to be tested; Screw is used for fixing support rack, the first fixture, the second fixture and gyro to be tested;
One end of described first fixture bottom surface is stiff end, and the center of stiff end is provided with screw, and screw realizes 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 second fixture medial surface is provided with rectangle bracing frame, and the rectangle bracing frame on the Y type bracing frame on described first fixture and described second fixture cooperatively interacts, and the two common horizontal holds up gyro to be tested.
2. the disc type micromechanics solid fluctuation gyro packaging system of a kind of dovetail groove slip according to claim 1, it is characterized in that, the left and right sides on support frame as described above base is provided with a fixed block, fixed block is provided with screw, edge, the dovetail groove left and right sides arranges for installing bracing frame and screw corresponding to position respectively, screw through fixed block screw and dovetail groove screw to realize the connection of bracing frame and base; Be installed on base by screw when bracing frame is initial, until fixing gyro to be tested by mobile first fixture and the second fixture and tightening after for the screw at top of fixing gyro to be tested and the screw of bottom, bracing frame is taken off and is installed on testing circuit board.
3. the disc type micromechanics solid fluctuation gyro packaging system of a kind of dovetail groove slip according to claim 2, it is characterized in that, the center of described dovetail groove is provided with circular hole, for screwing the screw bottom bracing frame easily; 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 lower screw of the circular hole of dovetail groove and bracing frame, the screw at 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 that a kind of dovetail groove according to any one of claim 1-3 slides, it is characterized in that, the material of described base is metal.
5. the disc type micromechanics solid fluctuation gyro packaging system that a kind of dovetail groove according to any one of claim 1-3 slides, it is characterized in that, the material of support frame as described above is metal.
6. the disc type micromechanics solid fluctuation gyro packaging system that a kind of dovetail groove according to any one of claim 1-3 slides, it is characterized in that, the material of described first fixture, the second fixture is metal, realizes the accurately fixing of gyro to be tested in order to auxiliary.
7. the disc type micromechanics solid fluctuation gyro packaging system that a kind of dovetail groove according to any one of claim 1-3 slides, it 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 by (), bracing frame and base are fixed, and with screw-driving;
B first fixture slips in the dovetail groove of base by (), and the first fixture and bracing frame opposite face are overlapped;
C diameter that () measures disc type micromechanics solid fluctuation gyro is d, calculates the distance L that the first fixture needs to be moved to the left;
D first fixture is moved to the left L distance by (), and be screwed on base;
E () installs the screw of bottom, make the supporting surface of screw and the first fixture contour;
F () places disc type micromechanics solid fluctuation gyro, and install the first fixture, is moved to the left disc type micromechanics solid fluctuation gyro horizontal-clamping;
G () installs the screw at top, and screw to the screw with bottom and disc type micromechanics solid fluctuation gyro firmly fixed;
H bracing frame takes off by (), for the parameter testing of disc type micromechanics solid fluctuation gyro after fixing on circuit boards.
9. method according to claim 8, is characterized in that, described step (c), and the first fixture needs the distance L computing method that are moved to the left as follows:
Distance between the front end face calculating on the first fixture the slidably part of flex point and the first clamp base in Y type bracing frame when designing fixture is c, then the first fixture needs the distance be moved to the left to be:
L=c+d-b-0.5e
Wherein,
L is the distance that the first fixture needs to be moved to the left;
C is the distance between the front end face of the interior flex point of Y type bracing frame on the first fixture and the first clamp base slidably part;
D is the diameter of disc type micromechanics solid fluctuation gyro;
B is line after two medial surfaces of Y type bracing frame on the first fixture intersect and the distance between interior flex point;
E is the half of fixed block width bottom bracing frame.
CN201310687294.5A 2013-12-13 2013-12-13 The disc type micromechanics solid fluctuation gyro packaging system that dovetail groove slides and method Active CN103712613B (en)

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CN104287865B (en) * 2014-10-23 2016-11-09 中国人民解放军总医院 A kind of animal spinal cord living imaging Orientation observation device

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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
CN102095346A (en) * 2010-11-26 2011-06-15 大连机床集团有限责任公司 Lead screw thread pitch detector
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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JP2011139024A (en) * 2009-12-04 2011-07-14 Seiko Epson Corp Package and vibrating device using the same
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Publication number Priority date Publication date Assignee Title
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
CN102095346A (en) * 2010-11-26 2011-06-15 大连机床集团有限责任公司 Lead screw thread pitch detector
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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