CN109407334B - On-orbit blocking mirror assembling device - Google Patents
On-orbit blocking mirror assembling device Download PDFInfo
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- CN109407334B CN109407334B CN201811482345.XA CN201811482345A CN109407334B CN 109407334 B CN109407334 B CN 109407334B CN 201811482345 A CN201811482345 A CN 201811482345A CN 109407334 B CN109407334 B CN 109407334B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
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- Optics & Photonics (AREA)
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Abstract
The invention relates to an assembling device for an on-orbit splitting mirror, belongs to the technical field of precision mechanical engineering, and relates to a high-precision and high-reliability quick-assembly interface applicable to the on-orbit assembling splitting mirror of a remote sensor, which can be applied to on-orbit assembling of the remote sensor and can also be applied to on-orbit assembling of other products with high precision and high reliability. Under the installation mode, the six-degree-of-freedom complete constraint of the product can be realized, and the phenomena of statics and indeterminacy cannot be generated. The invention can solve the interface problem of on-track assembly, and has the characteristics of novel structure, simple and efficient assembly mode, high precision and high stability compared with the traditional remote sensor connection mode.
Description
Technical Field
The invention relates to an assembling device for an on-orbit splitting mirror, belongs to the technical field of precision mechanical engineering, and relates to a high-precision and high-reliability quick-assembly interface applicable to the on-orbit assembling splitting mirror of a remote sensor, which can be applied to on-orbit assembling of the remote sensor and can also be applied to on-orbit assembling of other products with high precision and high reliability.
Background
At present, the means for improving the spatial resolution of the space optical remote sensor mainly comprises increasing the focal length and the aperture of the light, but the increase of the focal length and the aperture also means the increase of the volume of the remote sensor, and the corresponding increase of the manufacturing cost, the product adjustment and the emission cost of the remote sensor. Therefore, dividing the remote sensor into parts and launching the parts into rails, and using the mechanical arm to assemble the parts on the rails is one direction of future development. The traditional assembly and adjustment modes are carried out on the ground, the influence of the gravity of the earth needs to be overcome, the mounting interfaces of all parts of the remote sensor are basically in a connection mode that screw holes and unthreaded holes depend on fasteners such as through screws, the flatness of a mounting surface needs to be repaired before mounting, a large amount of time cost and labor cost are consumed, and over-constraint and assembly stress are inevitably generated after mounting. Along with the gradual increase of the caliber of the remote sensor, the sensitivity of the optical lens to the assembly stress is gradually increased, and the excessive assembly stress can directly influence the surface shape of the mirror surface, thereby influencing the imaging quality of the remote sensor. Therefore, the conventional assembly mode is difficult to adapt to the assembly requirement of the ultra-large-caliber optical remote sensor, the in-orbit assembly becomes a necessary direction for the development of the ultra-large-caliber remote sensor in the future, and the in-orbit assembly mode is adapted to the fast-assembling interface automatically assembled in the in-orbit environment and becomes a key technology which must be broken through in the in-orbit assembly.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the assembling device can be used for assembling the partitioned mirror on the rail by utilizing a space mechanical arm, adopts guiding positioning, provides initial pretightening force by using a magnet, adopts two locking mechanisms to complete determination of the final pretightening force, has a compact structure, is easy to install, and effectively solves the problem of butt joint interface of the mechanical arm of the optical remote sensor during the rail installation.
The technical solution of the invention is as follows:
a block mirror is used in the rail assembly device, the assembly device includes eight connecting pieces and two locking mechanisms; the eight connecting pieces are respectively a first connecting piece, a second connecting piece, a third connecting piece, a fourth connecting piece, a fifth connecting piece, a sixth connecting piece, a seventh connecting piece and an eighth connecting piece;
the first connecting piece comprises a ball head and a first cylinder, the ball head and the first cylinder are of an integrally formed structure, and the ball head is connected to one end of the first cylinder; the first cylinder is provided with an external thread;
the second connecting piece is a boss marked as a first boss, and the top end of the first boss is a point rather than a surface;
the third connecting piece is a round table;
the fourth connecting piece is a boss marked as a second boss, and the top end of the second boss is a point rather than a surface;
the fifth connecting piece comprises two cylinders with different outer diameters, namely a second cylinder and a third cylinder, the second cylinder and the third cylinder are of an integrally formed structure, the outer diameter of the second cylinder is larger than that of the third cylinder, the second cylinder is provided with a cavity, the second cylinder is connected to one end of the third cylinder, the cavity is matched with the ball head of the first connecting piece, and the third cylinder is provided with external threads;
the sixth connecting piece is a flat plate;
the seventh connecting piece is two square plates, the opposite surfaces of the two square plates are wedge surfaces, the two wedge surfaces form a V-shaped groove, and the V-shaped groove is matched with the side surface of the circular table of the third connecting piece; (namely, the two square plates are both trapezoidal plates, the bevel edges of the two trapezoidal plates are oppositely arranged to form a V-shaped groove, and the V-shaped groove is matched with the side surface of the circular truncated cone of the third connecting piece);
the eighth connecting piece is a flat plate;
two blocked mirrors to be assembled are respectively marked as a blocked mirror A and a blocked mirror B;
four vertexes of the mounting surface of the blocking mirror A are respectively marked as a first vertex, a second vertex, a third vertex and a fourth vertex, and four vertexes of the mounting surface of the blocking mirror B are respectively marked as a fifth vertex, a sixth vertex, a seventh vertex and an eighth vertex;
the first connecting piece is fixedly connected to the first top point through a first cylinder, and a ball head of the first connecting piece is matched with a cavity on a second cylinder of the fifth connecting piece;
the second connecting piece is fixedly connected to the second vertex;
the third connecting piece is fixedly connected to the third vertex;
the fourth connecting piece is fixedly connected to the fourth vertex;
the fifth connecting piece is fixedly connected to the fifth vertex through a third cylinder;
the sixth connecting piece is fixedly connected to the sixth vertex;
the seventh connecting piece is fixedly connected to the seventh vertex;
the eighth connecting piece is fixedly connected to the eighth vertex;
the extension line of the central line of the V-shaped groove passes through the central shaft of the first connecting piece;
the locking mechanism is used for providing pretightening force of the mounting surface of the blocking mirror A and the mounting surface of the blocking mirror B in the normal direction, the locking mechanism comprises two support plates and a connecting bolt, one support plate is fixedly connected to the mounting surface of the blocking mirror A, the other support plate is fixedly connected to the mounting surface of the blocking mirror B, and the connecting bolt is used for fixedly connecting the two support plates. The pre-tightening force range is 20 kg-30 kg.
The eight connecting pieces can be used as a guiding and positioning module.
Compared with the prior art, the invention has the advantages that:
(1) the device has better adaptivity to the static constraint of the block mirror assembly, is simple and easy to assemble and operate, and has no high requirement on the flatness of the installation surface.
(2) The device of the invention provides final unidirectional pretightening force by the locking mechanism to form a static system. The locking process of the locking mechanism only needs the screwing of the mechanical arm, no redundant fasteners are needed, and the operation is simple.
(3) An assembling device for an on-track assembling block mirror assembly can realize high-precision on-track guiding positioning, mounting and locking of a remote sensor block mirror assembly. The device utilizes the dynamics principle, flexibly installs and positions through the guide positioning module, and applies final pretightening force between the assembly block mirror assemblies through the locking mechanism. The quick-assembly device consists of a guide positioning module and a locking mechanism, wherein the guide positioning module consists of a ball socket locking interface, a V-shaped positioning groove and a ball plane interface; under the installation mode, the six-degree-of-freedom complete constraint of the product can be realized, and the phenomena of statics and indeterminacy cannot be generated. The invention can solve the interface problem of on-track assembly, and has the characteristics of novel structure, simple and efficient assembly mode, high precision and high stability compared with the traditional remote sensor connection mode.
Drawings
FIG. 1 is a schematic structural view of a first connecting member;
FIG. 2 is a schematic structural view of a second connector;
FIG. 3 is a schematic structural view of a third connecting member;
FIG. 4 is a schematic structural view of a fourth connecting member;
FIG. 5 is a schematic structural view of a fifth link;
FIG. 6 is a schematic structural view of a seventh connecting member;
FIG. 7 is a schematic view of a segmented mirror assembly utilizing the assembly apparatus for attachment;
FIG. 8 is a schematic view of the assembly device of the present invention on a mounting surface of a segmented mirror;
fig. 9 is a schematic view of the installation of the guide positioning module.
Detailed Description
As shown in fig. 7-9, the assembly device of the present invention is composed of a guide positioning module 2 and a locking mechanism 4. The guiding and positioning module 2 is composed of a first connector ball 204, a second connector ball socket 202, a third connector ball head plate 206, a V-shaped groove 203, a ball head rod 205 and a flat plate 201. The locking mechanism 4 is composed of a positioning hole 401 and a locking knob 402.
Each object has six degrees of freedom, i.e. translation and rotation along three orthogonal axes, irrespective of the deformations of the structure itself, and if it is made statically determinate, it is exactly constrained to the six degrees of freedom, otherwise it assumes a statically indeterminate instability state or a hyperstatic overconstrained state, both of which are unacceptable for the assembly of remote sensors. According to the invention, a universal hinge is formed by the ball head 204 and the ball socket 202, the translational degrees of freedom in 3 directions are restrained, the ball head plate 206, the V-shaped groove 203 and the locking mechanism 4 restrain the rotational degrees of freedom in the direction perpendicular to the axis of the V-shaped groove, the ball head rod 205 flat plate 201 and the locking mechanism 4 provide restraint on the last degree of freedom, and finally, the accurate assembly between the block mirrors is realized.
The ball head 204 and the ball socket 202 can be machined by titanium alloy parts, the assembling accuracy is ensured, the V-shaped groove 203 of the ball head plate 206 and the flat plate 201 of the ball head rod 205 are made of stainless steel, the sufficient rigidity is ensured, the locking mechanism is reconstructed by purchased parts, and the stainless steel is used as the material.
This device is installed direction and location with 2 connected modes, and during the installation, V-arrangement groove 203 extending direction need with the coincidence of bulb 204 ball socket 202 central point, and locking mechanism 4 is inside to be constituteed by spring, locking knob, butt joint interface, and the knob cooperates with the spring, has certain flexibility, can provide the pretightning force of unilateral, and the cold welding processing is prevented on the surface, can be used to vacuum environment.
The layout adopted by the invention is a ball head and ball socket combination at one position, a ball head V groove combination at 1 position and a ball head flat plate combination at 2 positions, so that the static system can be satisfied, and no redundant assembly stress is generated, and the mechanical arm on-rail assembly of the block mirror assembly can be applied.
Examples
A block mirror is used in the rail assembly device, the assembly device includes eight connecting pieces and two locking mechanisms; the eight connecting pieces are respectively a first connecting piece, a second connecting piece, a third connecting piece, a fourth connecting piece, a fifth connecting piece, a sixth connecting piece, a seventh connecting piece and an eighth connecting piece;
as shown in fig. 1, the first connecting member includes a ball head and a first cylinder, the ball head and the first cylinder are of an integrally formed structure, and the ball head is connected to one end of the first cylinder; the first cylinder is provided with an external thread;
as shown in fig. 2, the second connecting member is a boss, which is marked as a first boss, and the top end of the first boss is a point rather than a surface;
as shown in fig. 3, the third connecting member is a circular truncated cone;
as shown in fig. 4, the fourth connecting member is a boss, which is marked as a second boss, and the top end of the second boss is a point rather than a surface;
as shown in fig. 5, the fifth connecting member includes two cylinders with different outer diameters, which are respectively a second cylinder and a third cylinder, the second cylinder and the third cylinder are of an integrally formed structure, the outer diameter of the second cylinder is larger than that of the third cylinder, the second cylinder has a cavity, the second cylinder is connected to one end of the third cylinder, the cavity is matched with the ball head of the first connecting member, and the third cylinder has an external thread;
the sixth connecting piece is a flat plate;
as shown in fig. 6, the seventh connecting piece is two square plates, the opposite surfaces of the two square plates are both wedge surfaces, the two wedge surfaces form a V-shaped groove, and the V-shaped groove is matched with the side surface of the circular truncated cone of the third connecting piece; (namely, the two square plates are both trapezoidal plates, the bevel edges of the two trapezoidal plates are oppositely arranged to form a V-shaped groove, and the V-shaped groove is matched with the side surface of the circular truncated cone of the third connecting piece);
the eighth connecting piece is a flat plate;
two blocked mirrors to be assembled are respectively marked as a blocked mirror A and a blocked mirror B;
four vertexes of the mounting surface of the blocking mirror A are respectively marked as a first vertex, a second vertex, a third vertex and a fourth vertex, and four vertexes of the mounting surface of the blocking mirror B are respectively marked as a fifth vertex, a sixth vertex, a seventh vertex and an eighth vertex;
the first connecting piece is fixedly connected to the first top point through a first cylinder, and a ball head of the first connecting piece is matched with a cavity on a second cylinder of the fifth connecting piece;
the second connecting piece is fixedly connected to the second vertex;
the third connecting piece is fixedly connected to the third vertex;
the fourth connecting piece is fixedly connected to the fourth vertex;
the fifth connecting piece is fixedly connected to the fifth vertex through a third cylinder;
the sixth connecting piece is fixedly connected to the sixth vertex;
the seventh connecting piece is fixedly connected to the seventh vertex;
the eighth connecting piece is fixedly connected to the eighth vertex;
the extension line of the central line of the V-shaped groove passes through the central shaft of the first connecting piece;
the locking mechanism is used for providing pretightening force of the mounting surface of the blocking mirror A and the mounting surface of the blocking mirror B in the normal direction, the locking mechanism comprises two support plates and a connecting bolt, one support plate is fixedly connected to the mounting surface of the blocking mirror A, the other support plate is fixedly connected to the mounting surface of the blocking mirror B, and the connecting bolt is used for fixedly connecting the two support plates. The pre-tightening force range is 20 kg-30 kg.
In order to ensure accurate positioning and assembling micro stress of butt joint installation of the segmented mirrors, a locker is matched with an installation interface, the heights of the round tables of the two third connecting pieces are adjustable, pre-positioning and adjustment can be performed during initial assembly, and the locking device can be fastened through high-strength glue after being adjusted in place, so that the assembling precision is ensured. The flexible mounting only produces radial confining force, can not produce the extra confining force of other directions, by 5 degrees of freedom of installation product, the degree of freedom of locker restraint installation face normal direction forms the statically determinate system after the installation, can not cause the excess restraint.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Claims (3)
1. The utility model provides a blocking mirror is with in-orbit assembly device which characterized in that: the assembling device comprises eight connecting pieces and two locking mechanisms; the eight connecting pieces are respectively a first connecting piece, a second connecting piece, a third connecting piece, a fourth connecting piece, a fifth connecting piece, a sixth connecting piece, a seventh connecting piece and an eighth connecting piece;
the first connecting piece comprises a ball head and a first cylinder, the ball head and the first cylinder are of an integrally formed structure, and the ball head is connected to one end of the first cylinder; the first cylinder is provided with an external thread;
the second connecting piece is a boss marked as a first boss, and the top end of the first boss is a point rather than a surface; the fourth connecting piece is a boss marked as a second boss, and the top end of the second boss is a point rather than a surface;
the third connecting piece is a round table;
the fifth connecting piece comprises two cylinders with different outer diameters, namely a second cylinder and a third cylinder, the second cylinder and the third cylinder are of an integrally formed structure, the outer diameter of the second cylinder is larger than that of the third cylinder, the second cylinder is provided with a cavity, the second cylinder is connected to one end of the third cylinder, the cavity is matched with the ball head of the first connecting piece, and the third cylinder is provided with external threads;
the sixth connecting piece is a flat plate, and the eighth connecting piece is a flat plate;
the seventh connecting piece is two square plates, the opposite surfaces of the two square plates are wedge surfaces, the two wedge surfaces form a V-shaped groove, and the V-shaped groove is matched with the side surface of the circular table of the third connecting piece;
two blocked mirrors to be assembled are respectively marked as a blocked mirror A and a blocked mirror B;
four vertexes of the mounting surface of the blocking mirror A are respectively marked as a first vertex, a second vertex, a third vertex and a fourth vertex, and four vertexes of the mounting surface of the blocking mirror B are respectively marked as a fifth vertex, a sixth vertex, a seventh vertex and an eighth vertex;
the first connecting piece is fixedly connected to the first top point through a first cylinder, and a ball head of the first connecting piece is matched with a cavity on a second cylinder of the fifth connecting piece;
the second connecting piece is fixedly connected to the second vertex;
the third connecting piece is fixedly connected to the third vertex;
the fourth connecting piece is fixedly connected to the fourth vertex;
the fifth connecting piece is fixedly connected to the fifth vertex through a third cylinder;
the sixth connecting piece is fixedly connected to the sixth vertex;
the seventh connecting piece is fixedly connected to the seventh vertex;
the eighth connecting piece is fixedly connected to the eighth vertex;
the extension line of the central line of the V-shaped groove passes through the central shaft of the first connecting piece.
2. The on-track assembling device for a block mirror according to claim 1, wherein: the locking mechanism is used for providing pretightening force of the mounting surface of the blocking mirror A and the mounting surface of the blocking mirror B in the normal direction, the locking mechanism comprises two support plates and a connecting bolt, one support plate is fixedly connected to the mounting surface of the blocking mirror A, the other support plate is fixedly connected to the mounting surface of the blocking mirror B, and the connecting bolt is used for fixedly connecting the two support plates.
3. The on-track assembling device for a block mirror according to claim 2, wherein: the pretightening force range is 20 kg-30 kg, and the eight connecting pieces are used as guiding and positioning modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482345.XA CN109407334B (en) | 2018-12-05 | 2018-12-05 | On-orbit blocking mirror assembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811482345.XA CN109407334B (en) | 2018-12-05 | 2018-12-05 | On-orbit blocking mirror assembling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109407334A CN109407334A (en) | 2019-03-01 |
| CN109407334B true CN109407334B (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811482345.XA Active CN109407334B (en) | 2018-12-05 | 2018-12-05 | On-orbit blocking mirror assembling device |
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| CN (1) | CN109407334B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236288A (en) * | 2007-11-30 | 2008-08-06 | 北京空间机电研究所 | Spatial observation optical remote sensing equipment very large diameter expansible primary mirror precision locking apparatus |
| KR20120125100A (en) * | 2011-05-06 | 2012-11-14 | 주식회사 톤 | Connection implement guard rail for balustrade post |
| CN204262094U (en) * | 2014-11-19 | 2015-04-15 | 天水锻压机床(集团)有限公司 | A kind of mechanical rotary press head |
| CN204628262U (en) * | 2015-04-03 | 2015-09-09 | 上汽通用五菱汽车股份有限公司 | A kind of automobile swing arm ball pin |
| CN108213898A (en) * | 2018-01-12 | 2018-06-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of in-orbit assembling docking facilities |
-
2018
- 2018-12-05 CN CN201811482345.XA patent/CN109407334B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236288A (en) * | 2007-11-30 | 2008-08-06 | 北京空间机电研究所 | Spatial observation optical remote sensing equipment very large diameter expansible primary mirror precision locking apparatus |
| KR20120125100A (en) * | 2011-05-06 | 2012-11-14 | 주식회사 톤 | Connection implement guard rail for balustrade post |
| CN204262094U (en) * | 2014-11-19 | 2015-04-15 | 天水锻压机床(集团)有限公司 | A kind of mechanical rotary press head |
| CN204628262U (en) * | 2015-04-03 | 2015-09-09 | 上汽通用五菱汽车股份有限公司 | A kind of automobile swing arm ball pin |
| CN108213898A (en) * | 2018-01-12 | 2018-06-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of in-orbit assembling docking facilities |
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| Publication number | Publication date |
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| CN109407334A (en) | 2019-03-01 |
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