CN109655995A - A kind of heavy caliber primary mirror elevating mechanism - Google Patents
A kind of heavy caliber primary mirror elevating mechanism Download PDFInfo
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- CN109655995A CN109655995A CN201910067730.6A CN201910067730A CN109655995A CN 109655995 A CN109655995 A CN 109655995A CN 201910067730 A CN201910067730 A CN 201910067730A CN 109655995 A CN109655995 A CN 109655995A
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- primary mirror
- elevating mechanism
- positioning component
- heavy caliber
- cylinder
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/183—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors specially adapted for very large mirrors, e.g. for astronomy, or solar concentrators
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- Life Sciences & Earth Sciences (AREA)
- Astronomy & Astrophysics (AREA)
- Sustainable Development (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
Heavy caliber primary mirror elevating mechanism provided by the invention, the hoisting screw (1) is fixedly connected with the top of lifting cylinder (2), the top of the transition cylinder (3) is fixedly connected with the lower part of lifting cylinder (2), the lower part of the transition cylinder (3) is installed on the bottom transition plate (8), the radial positioning component (4) is mounted on the excircle of the transition cylinder (3), and the radial positioning component (4) can move up and down along the transition cylinder (3), the bottom plectane (7) is installed on the bottom transition plate (8), and the bottom plectane (7) is arranged around the excircle of the transition cylinder (3), the bottom positioning component (6) is fixedly installed in the bottom of the bottom plectane (7), heavy caliber primary mirror elevating mechanism provided by the invention, utilize primary mirror Centre bore and the center edge of bottom realize the lifting process of primary mirror, it is compact-sized, and the outer edge of primary mirror will not be occupied, be widely used.
Description
Technical field
The present invention relates to technical field of optical instrument, in particular to a kind of heavy caliber primary mirror elevating mechanism.
Background technique
In technical fields such as space exploration, astronomical observations, in order to improve the mouth that resolution ratio needs to increase photoelectric detection equipment
Diameter causes the outer dimension of its primary mirror, weight to steeply rise, and cost is sufficiently expensive.Since the material of primary mirror has fragility
Frangible characteristic causes the operating process such as its lifting, installation, carrying along with great risk.If in above process,
The interference such as excessive, the vibration overload of local stress may cause primary mirror and the irreversible destruction such as chipping, broken, fracture occur, this will
Development and service life to entire photoelectric detection equipment bring greatly that delay and cost sharply increase.Therefore, have
Necessity designs the elevating mechanism of primary mirror that is a kind of safe and reliable and having certain stationkeeping ability, for primary mirror lifting and remove
Fortune, and for guaranteeing positioning and installation after primary mirror is packed into primary mirror cell.
Existing primary mirror elevating mechanism has the following characteristics that the outer edge that primary mirror is dispersed in a large amount of support construction, benefit
The support force to primary mirror is realized with a fairly large number of supporting point.It is limited to the uncontrollable factors such as design level, machining accuracy and operation
Interference, cause the support force of each supporting point that can not determine, cannot exclude to primary mirror locally generate excessive stresses risk, deposit
In security risk.Another defect of this structure is that need the outer edge of primary mirror be regular, and can be used for installing support branch
Point.If there are special shape, this conventional primary mirror elevating mechanisms not just to be available at the edge of primary mirror.How primary mirror is improved
The safety of lifting process carries out aforesaid operations using simply installed equipment, guarantees the science of lifting process, installation process
Property, safety, the equipment for designing a kind of novel lifting for being able to achieve heavy caliber primary mirror there is certain necessity.
Summary of the invention
Have in view of that, it is necessary in view of the defects existing in the prior art, it is extensive to provide a kind of safe and reliable and applicability
Heavy caliber primary mirror elevating mechanism.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of heavy caliber primary mirror elevating mechanism, comprising: hoisting screw (1), lifting cylinder (2), transition cylinder (3), radial direction
Positioning component (4), bottom positioning component (6), bottom plectane (7) and bottom transition plate (8)；Wherein:
The hoisting screw (1) is fixedly connected with the top of lifting cylinder (2), the top of the transition cylinder (3)
It is fixedly connected with the lower part of lifting cylinder (2), the lower part of the transition cylinder (3) is installed on the bottom transition plate (8)
On, the radial positioning component (4) is mounted on the excircle of the transition cylinder (3), and the radial positioning component (4) can edge
The transition cylinder (3) moves up and down, and the bottom plectane (7) is installed on the bottom transition plate (8), and bottom circle
Plate (7) is arranged around the excircle of the transition cylinder (3), and the bottom positioning component (6) is fixedly installed in the bottom plectane
(7) bottom.
It in some preferred embodiments, further include polytetrafluoroethylene (PTFE) planchet (5), polytetrafluoroethylene (PTFE) planchet (5) peace
Loaded on bottom plectane (7) upper surface.
In some preferred embodiments, the hoisting screw (1) is connected through a screw thread with the lifting cylinder (2).
In some preferred embodiments, the transition cylinder (3) is fixedly connected with lifting cylinder (2) by screw.
In some preferred embodiments, the radial positioning component (4) include polytetrafluoroethylene (PTFE) locating piece (4-1), it is embedding
Enter the internal round strong magnet (4-2) of the polytetrafluoroethylene (PTFE) locating piece (4-1) and the fixed polytetrafluoroethylene (PTFE) locating piece
The mounting screw (4-3) of (4-1) and strong magnet, radial positioning component (4) inside and transition cylinder (3) lateral surface are tight
Patch, the outside of the radial positioning component (4) and the mesopore surface of the heavy caliber primary mirror are close to.
In some preferred embodiments, several counter sinks are distributed in the polytetrafluoroethylene (PTFE) planchet (5), and screw passes through
The counter sink realization is fixedly connected with bottom plectane (7) of bottom.
In some preferred embodiments, the bottom plectane (7) is dispersed with aperture in bottom cylindrical week, by described small
Being fixedly connected for the bottom plectane and the positioning component (6) may be implemented in hole；The bottom inner periphery of the bottom plectane point
It is furnished with threaded hole, can be realized by the threaded hole and be fixedly connected with bottom transition plate (8).
In some preferred embodiments, reinforcing rib is distributed in (7) bottom of the bottom plectane.
In some preferred embodiments, the bottom positioning includes bindiny mechanism (6-1), by being threaded into connection machine
The guiding pointed cone (6-2) of structure (6-1), described guiding bottom pointed cone (6-2) also include the pointed cone of taper.
In some preferred embodiments, the bottom positioning component (6) totally three groups and is symmetrically distributed in bottom plectane (7)
Bottom.
The present invention by adopting the above technical scheme the advantages of be:
Heavy caliber primary mirror elevating mechanism provided by the invention, the top of the hoisting screw (1) and lifting cylinder (2)
It is fixedly connected, the top of the transition cylinder (3) is fixedly connected with the lower part of lifting cylinder (2), the transition cylinder (3)
Lower part be installed on the bottom transition plate (8), the radial positioning component (4) is mounted on the outer of the transition cylinder (3)
Circumference, and the radial positioning component (4) can be moved up and down along the transition cylinder (3), the bottom plectane (7) is installed on institute
It states on bottom transition plate (8), and the bottom plectane (7) is arranged around the excircle of the transition cylinder (3), the bottom positioning
Component (6) is fixedly installed in the bottom of the bottom plectane (7), and heavy caliber primary mirror elevating mechanism provided by the invention utilizes master
The centre bore of mirror and the center edge of bottom realize the lifting process of primary mirror, compact-sized, and will not occupy the outer edge of primary mirror,
It is widely used；Heavy caliber primary mirror elevating mechanism provided by the invention, due to utilize be primary mirror internal control, by primary mirror size
Influence it is smaller, can be adapted for the lifting process of the primary mirror of the large telescope of various bores, avoiding problems every time for not
The large-scale primary mirror of similar shape difference bore will separately design its derricking gear, avoid the waste of time and money, cost
It is lower.
In addition, this heavy caliber primary mirror elevating mechanism provided by the invention, utilizes radial positioning component (4) and bottom positioning group
(6) two groups of location structures of part realize radial positioning of the elevating mechanism relative to primary mirror and primary mirror cell respectively, by means of lifting machine
This intermediary of structure delivers the coaxial positioning datum of primary mirror and primary mirror cell, and primary mirror may be implemented to be had in loading primary mirror cell's process
Higher radial positioning precision, avoids the blindness of installation process.
In addition, heavy caliber primary mirror elevating mechanism provided by the invention, the lifting process of primary mirror is realized using the inner hole of primary mirror,
Since the mass center of primary mirror is equally in the rotary shaft of primary mirror, the elevating mechanism just by primary mirror mass center, therefore protect
Having demonstrate,proved lifting process can be more steady, ensure that the safety and reliability of lifting process.
In addition, heavy caliber primary mirror elevating mechanism provided by the invention, using being embedded into the radial positioning component (4)
Magnet realizes freely moving up and down for positioning mechanism, completely can be with without the positioning mechanism of artificial disassembly primary mirror bore
Just the positioning mechanism is taken apart from mesoporous using the free movement of elevating mechanism, whole operation process is simple and reliable, protects
The safety of operating process is demonstrate,proved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the assembling schematic diagram of heavy caliber primary mirror and elevating mechanism provided in an embodiment of the present invention；
Fig. 2 is the assembling schematic diagram (removing primary mirror) of heavy caliber primary mirror provided in an embodiment of the present invention and elevating mechanism；
Fig. 3 is the structural schematic diagram of radial positioning component provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of bottom positioning component provided in an embodiment of the present invention.
Wherein: 1, hoisting screw, 2, lifting cylinder, 3, transition cylinder, 4, radial positioning component, 5, polytetrafluoroethylene (PTFE) circle
Pad, 6, bottom positioning component, 7, bottom plectane, 8, bottom transition plate, 9, primary mirror, 4-1, polytetrafluoroethylene (PTFE) locating piece, 4-2, circle
Shape strong magnet, 4-3 mounting screw, 6-1, bindiny mechanism, 6-2, guiding pointed cone.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 is please referred to, is the structural schematic diagram of heavy caliber primary mirror elevating mechanism provided in an embodiment of the present invention, packet
It includes: hoisting screw (1), lifting cylinder (2), transition cylinder (3), radial positioning component (4), bottom positioning component (6), bottom circle
Plate (7) and bottom transition plate (8).
The hoisting screw (1) is fixedly connected with the top of lifting cylinder (2), the top of the transition cylinder (3)
It is fixedly connected with the lower part of lifting cylinder (2), the lower part of the transition cylinder (3) is installed on the bottom transition plate (8)
On, the radial positioning component (4) is mounted on the excircle of the transition cylinder (3), and the radial positioning component (4) can edge
The transition cylinder (3) moves up and down, and the bottom plectane (7) is installed on the bottom transition plate (8), and bottom circle
Plate (7) is arranged around the excircle of the transition cylinder (3), and the bottom positioning component (6) is fixedly installed in the bottom plectane
(7) bottom.
Heavy caliber primary mirror elevating mechanism provided by the invention realizes master using the centre bore of primary mirror and the center edge of bottom
The lifting process of mirror, it is compact-sized, and the outer edge of primary mirror will not be occupied, it is widely used；Heavy caliber primary mirror provided by the invention
Elevating mechanism, due to utilize be primary mirror internal control, influenced by primary mirror size smaller, can be adapted for various bores
The lifting process of the primary mirror of large telescope, avoiding problems the large-scale primary mirrors every time for different shape difference bore to distinguish
The derricking gear for designing it avoids the waste of time and money, and cost is relatively low.
The specific structure and connection type of all parts described further below.
Specifically, the hoisting screw (1) is connected through a screw thread with the lifting cylinder (2).It is appreciated that hoisting screw
1 rise and descent for entire elevating mechanism can be attached for the transmitting of power by playing suspender belt and crane,
In order to improve the stability of whole system, the hoisting screw (1) and the position of lifting cylinder (2) and the center phase of primary mirror
It is corresponding, and the position of the hoisting screw (1) and lifting cylinder (2) will keep vertical state in primary mirror lifting process, into
And guarantee that the mass center of primary mirror is located on the straight line, stable lifting process may be implemented in this way, without introducing biggish topple
Power.
Further, lifting cylinder 2 accepts component as transition, and upper part is fixedly connected with hoisting screw 1, the lifting
The lower part of cylinder (2) is fixedly connected with the transition cylinder 3, due to consideration that bearing capacity is larger, will lift by crane cylinder 2 in practice
Lower part be designed to the shape of large flange, the upper surface of the bottom disc of large flange can abut against the top of transition cylinder (3)
The lower surface of disk, and being completely fixed for the two is realized by a symmetrical screw of circle circumference again.
It is understood that skeleton of the transition cylinder (3) as entire elevating mechanism, has born entire lifting process
The weight of primary mirror, and radial positioning component (4) are mounted with outside it, it is also responsible for taking part in wanting for positioning while undertaking power
It asks, is the core component of entire elevating mechanism, the shape by transition cylinder 3 is that top has flange shape, lower part is hollow circle
The rotational symmetry structure of column is easy to implement above-mentioned function.
Referring to Fig. 2, the radial positioning component (4) includes polytetrafluoroethylene (PTFE) locating piece (4-1), the insertion polytetrafluoro
The internal round strong magnet (4-2) of ethylene locating piece (4-1) and the fixed polytetrafluoroethylene (PTFE) locating piece (4-1) and strong magnet
Mounting screw (4-3), be close on the inside of the radial positioning component (4) with transition cylinder (3) lateral surface, the radial direction is fixed
The mesopore surface of the outside of hyte part (4) and the heavy caliber primary mirror is close to.
It is appreciated that polytetrafluoroethylene (PTFE) locating piece 4-1 gos deep into from primary mirror bore from lower part, therefore by its top design at tool
There is certain oblique angle, facilitates the rough guiding during being divided into.After oblique angle is transitioned into arc-shaped surface, it is achieved that positioning needs
It asks, external arc and primary mirror bore are completed to position, and complete the radial positioning of primary mirror and elevating mechanism by means of 3 points of circumference uniform distribution.
In some preferred embodiments, totally three groups of the radial positioning component (4), and any one group of radial positioning component
(4) it is circumferentially symmetrically distributed in the excircle of transition cylinder 3, excircle is used for and the location fit of primary mirror bore.
It is appreciated that being matched by radial positioning component 4 internal and external circumference respectively at transition cylinder 3 and with primary mirror bore
It closes, divides equally distributing installation around transition cylinder 3 in three directions, it is ensured that the excircle of transition cylinder 3 and the inner hole of primary mirror
Meet higher concentricity, meets the radial positioning demand to primary mirror elevating mechanism.
It is appreciated that radial positioning component 4 limits the freedom degree of primary mirror radial direction as security protection simultaneously, avoid
Lifting process primary mirror occurs lateral shift and then vibration and impact occurs with remaining component, avoids local stress and crosses havoc master
Mirror improves the safety of operation.
Specifically, radial positioning component 4 is primarily subjected to primary mirror in the pressure of radial direction, passes through polytetrafluoroethylene (PTFE) locating piece
4-1 is transmitted on internal transition cylinder 3, and is then not subject to any power along primary mirror optical axis direction at it.In view of primary mirror is gone up and down
Radial positioning component 4 is dismantled after process, and in its inner hole for being located at primary mirror, either still from the upper surface of primary mirror
Lower surface can not all be dismantled, and using the particularity of its stress condition, be designed into utilizing its internal round strong magnet
4-2 realizes the fixed function with transition cylinder 3, can not only limit its position and fix, but also can use strong magnet characteristic along transition
Cylinder 3 directly skids off primary mirror bore and is adsorbed on the upper surface of transition cylinder 3, and the difficulty encountered in disassembly process has been solved perfectly
Topic, greatly simplifies elevating mechanism disassembly process, has biggish promotion to safety.
It is appreciated that the outer dimension of radial positioning component 4 can be adjusted, by re-working three groups of polytetrafluoroethyl-nes
Alkene locating piece 4-1 can be suitable for the lifting process of the primary mirror of different inner holes, on the one hand can greatly reduce cost in this way, separately
On the one hand the lifting process that can be realized as the primary mirror of different bores by switching several groups of polytetrafluoroethylene (PTFE) locating piece 4-1, guarantees
The present invention has higher applicability, and avoiding problems the large-scale primary mirrors every time for different shape difference bore to distinguish
The derricking gear for designing it avoids the waste of time and money, there is very high economic value.
Referring to Fig. 4, totally three groups of bottom positioning component 6, it is circumferentially symmetrically distributed in the bottom of bottom plectane 7, it is any one
Bottom positioning component includes bindiny mechanism 6-1, the guiding pointed cone 6-2 by being threaded into bindiny mechanism 6-1.
Further, the guiding bottom pointed cone 6-2 includes the pointed cone of a taper, for being inserted into the location hole of primary mirror cell
Interior, a trapezoidal groove is arranged at the top of pointed cone, and cooperation spanner realizes bindiny mechanism 6-1 and is oriented to being threadedly engaged for pointed cone 6-2.
It is appreciated that when heavy caliber primary mirror elevating mechanism is gradually drop in primary mirror cell, positioned at the guiding of its lowest part
Pointed cone 6-2 is initially entered in the positioning round orifice of primary mirror cell upper surface, with the gradually importing of wedge angle by primary mirror together with elevating mechanism
It slowly falls into primary mirror cell, and realizes radial positioning.
It is appreciated that heavy caliber primary mirror elevating mechanism provided by the invention, is positioned using radial positioning component (4) and bottom
Component (6) realizes radial positioning of the elevating mechanism relative to primary mirror and primary mirror cell respectively, by means of elevating mechanism among this
Medium delivers the coaxial positioning datum of primary mirror and primary mirror cell, and primary mirror, which may be implemented, in loading primary mirror cell's process higher radial direction
Positioning accuracy avoids the blindness of installation process.
In some preferred embodiments, the bottom plectane (7) is dispersed with aperture in bottom cylindrical week, by described small
Being fixedly connected for the bottom plectane and the positioning component (6) may be implemented in hole；The bottom inner periphery of the bottom plectane point
It is furnished with threaded hole, can be realized by the threaded hole and be fixedly connected with bottom transition plate (8).
Specifically, symmetrical six threaded holes of circumference be distributed below bottom plectane 7, pass through these threaded holes and setting
Bottom transition plate 8 in its bottom realizes connection；Bottom transition plate 8 is dispersed with two groups of symmetrical unthreaded holes of circumference, wherein outer ring
One group is used to complete connection with bottom plectane 7, and internal unthreaded hole then realizes connection with transition cylinder 3, by means of bottom transition
Plate 8 realizes the connection function from external bottom plectane 7 and internal transition cylinder 3.
Further, for the support stiffness of reinforced bottom plectane, 7 bottom of bottom plectane is dispersed with six groups of circumference pair
The reinforcing rib of title ensure that the safety of support process under the premise of reducing the quality of bottom plectane.
Further, the heavy caliber primary mirror elevating mechanism further includes polytetrafluoroethylene (PTFE) planchet (5), the polytetrafluoroethylene (PTFE)
Planchet (5) is installed on bottom plectane (7) upper surface, it will be understood that poly- four are arranged between bottom plectane and primary mirror bottom surface
Vinyl fluoride planchet (5) prevents local stress is excessive from causing to cause damages to primary mirror for guaranteeing that support force is uniformly distributed.
Preferably, several counter sinks are distributed in the polytetrafluoroethylene (PTFE) planchet (5), and screw is realized across the counter sink
With being fixedly connected for bottom plectane (7) of bottom.
Specifically, the polytetrafluoroethylene (PTFE) planchet (5) distribution is there are six the symmetrical counter sink of circumference, realized by screw and
The bottom plectane 7 of bottom is fixedly connected, and prevents the polytetrafluoroethylene (PTFE) planchet 5 from being shaken at random on bottom plectane 7.
It is appreciated that by polytetrafluoroethylene (PTFE) planchet 5 by the bottom plectane 7 of the weight transmitting of primary mirror to bottom, bottom
Plectane 7 is then transmitted on internal transition cylinder (3) by bottom transition plate 8, and transition cylinder (3) passes through the lifting circle on top again
Column (2) is transmitted on the hoisting screw (1) at top, completes the transmittance process of power, and then implement the lifting process of primary mirror.
It is appreciated that bottom plectane 7 is used as and accepts component, directly the total weight of receiving primary mirror, and the bottom plectane 7
Bottom is dispersed with six groups of symmetrical reinforcing ribs of circumference, not only ensure that the support stiffness of bottom plectane, but also be unlikely to bring excessive
Quality burden, brings interference to entire elevating mechanism.Bottom plectane 7 while and bottom positioning component 6, bottom transition plate 8, poly- four
Vinyl fluoride planchet 5 realizes connection, while carry weight transfer and positioning transmitting is the key that entire elevating mechanism skeleton.
In some preferred embodiments, the installation process of heavy caliber primary mirror elevating mechanism provided by the invention are as follows:
Polytetrafluoroethylene (PTFE) planchet 5 is mounted on to the top of bottom plectane 7 first, is installed and is fixed by screw；Then it will rise
The inside that cylinder 2 is embedded into transition cylinder 3 is hung, is fixed by screw；Then bottom plectane 7 is mounted to the outer of transition cylinder 3
Then bottom transition plate 8 is installed in bottom by portion, and simultaneously and bottom plectane 7 and transition cylinder 3 complete company by bottom transition plate
It connects；Again, radial positioning component 4 and bottom positioning component 6 are separately mounted at transition cylinder 3 and bottom plectane 7；Finally,
Hoisting screw 1 is mounted on to the top of transition cylinder 2, completes the installation process of whole elevating mechanisms.
It is appreciated that in practice the detailed process of installation can be adjusted according to all parts actual conditions.The present invention provides
Heavy caliber primary mirror elevating mechanism, the hoisting screw (1) with it is described lifting cylinder (2) top be fixedly connected, the transition
The top of cylinder (3) is fixedly connected with the lower part of lifting cylinder (2), and the lower part of the transition cylinder (3) is installed on described
On bottom transition plate (8), the radial positioning component (4) is mounted on the excircle of the transition cylinder (3), and the radial direction is fixed
Hyte part (4) can be moved up and down along the transition cylinder (3), and the bottom plectane (7) is installed on the bottom transition plate (8)
On, and the bottom plectane (7) is arranged around the excircle of the transition cylinder (3), the bottom positioning component (6) is fixedly mounted
In the bottom of the bottom plectane (7), heavy caliber primary mirror elevating mechanism provided by the invention, centre bore and bottom using primary mirror
Center edge realize the lifting process of primary mirror, it is compact-sized, and the outer edge of primary mirror will not be occupied, be widely used；The present invention
The heavy caliber primary mirror elevating mechanism of offer, due to utilize be primary mirror internal control, influenced by primary mirror size it is smaller, can be with
The lifting process of the primary mirror of large telescope suitable for various bores, avoiding problems every time for different shape difference bore
Large-scale primary mirror will separately design its derricking gear, avoid the waste of time and money, cost is relatively low.
In addition, this heavy caliber primary mirror elevating mechanism provided by the invention, utilizes radial positioning component (4) and bottom positioning group
(6) two groups of location structures of part realize radial positioning of the elevating mechanism relative to primary mirror and primary mirror cell respectively, by means of lifting machine
This intermediary of structure delivers the coaxial positioning datum of primary mirror and primary mirror cell, and primary mirror may be implemented to be had in loading primary mirror cell's process
Higher radial positioning precision, avoids the blindness of installation process.
Certainly heavy caliber primary mirror elevating mechanism of the invention can also have a variety of transformation and remodeling, it is not limited to above-mentioned reality
Apply the specific structure of mode.In short, protection scope of the present invention should include that those show to those skilled in the art
And the transformation or substitution that are clear to and remodeling.
Claims (10)
1. a kind of heavy caliber primary mirror elevating mechanism characterized by comprising hoisting screw (1), lifting cylinder (2), transition cylinder
(3), radial positioning component (4), bottom positioning component (6), bottom plectane (7) and bottom transition plate (8)；Wherein:
The hoisting screw (1) is fixedly connected with the top of lifting cylinder (2), the top of the transition cylinder (3) and institute
The lower part for stating lifting cylinder (2) is fixedly connected, and the lower part of the transition cylinder (3) is installed on the bottom transition plate (8), institute
The excircle that radial positioning component (4) is mounted on the transition cylinder (3) is stated, and the radial positioning component (4) can be along described
Transition cylinder (3) moves up and down, and the bottom plectane (7) is installed on the bottom transition plate (8), and the bottom plectane
(7) it is arranged around the excircle of the transition cylinder (3), the bottom positioning component (6) is fixedly installed in the bottom plectane (7)
Bottom.
2. heavy caliber primary mirror elevating mechanism as described in claim 1, which is characterized in that it further include polytetrafluoroethylene (PTFE) planchet (5),
The polytetrafluoroethylene (PTFE) planchet (5) is installed on bottom plectane (7) upper surface.
3. heavy caliber primary mirror elevating mechanism as described in claim 1, which is characterized in that the hoisting screw (1) and described
Cylinder (2) is hung to be connected through a screw thread.
4. heavy caliber primary mirror elevating mechanism as described in claim 1, which is characterized in that the transition cylinder (3) and lifting circle
Column (2) is fixedly connected by screw.
5. heavy caliber primary mirror elevating mechanism as described in claim 1, which is characterized in that the radial positioning component (4) includes
The internal round strong magnet (4-2) of polytetrafluoroethylene (PTFE) locating piece (4-1), the insertion polytetrafluoroethylene (PTFE) locating piece (4-1) and
The mounting screw (4-3) of fixed the polytetrafluoroethylene (PTFE) locating piece (4-1) and strong magnet, radial positioning component (4) inside
It is close to transition cylinder (3) lateral surface, the outside of the radial positioning component (4) and the mesoporous table of the heavy caliber primary mirror
It is close in face.
6. heavy caliber primary mirror elevating mechanism as described in claim 1, which is characterized in that the polytetrafluoroethylene (PTFE) planchet (5) point
It is furnished with several counter sinks, screw, which passes through the counter sink, to be realized and to be fixedly connected with bottom plectane (7) of bottom.
7. heavy caliber primary mirror elevating mechanism as described in claim 1, which is characterized in that outside the bottom of the bottom plectane (7)
Circle distribution aperture, being fixedly connected for the bottom plectane and the positioning component (6) may be implemented by the aperture；Institute
Threaded hole is distributed in the bottom inner periphery for stating bottom plectane, can be realized and the bottom transition plate (8) by the threaded hole
It is fixedly connected.
8. heavy caliber primary mirror elevating mechanism as described in claim 1, which is characterized in that (7) bottom of the bottom plectane point
It is furnished with reinforcing rib.
9. heavy caliber primary mirror elevating mechanism as described in claim 1, which is characterized in that the bottom positioning includes bindiny mechanism
(6-1), the guiding pointed cone (6-2) by being threaded into bindiny mechanism (6-1), guiding pointed cone (6-2) bottom also include cone
The pointed cone of shape.
10. heavy caliber primary mirror elevating mechanism as claimed in claim 9, which is characterized in that the bottom positioning component (6) totally three
Group and the bottom for being symmetrically distributed in bottom plectane (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067730.6A CN109655995B (en) | 2019-01-24 | 2019-01-24 | Large-diameter primary mirror lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067730.6A CN109655995B (en) | 2019-01-24 | 2019-01-24 | Large-diameter primary mirror lifting mechanism |
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| CN109655995A true CN109655995A (en) | 2019-04-19 |
| CN109655995B CN109655995B (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067730.6A Active CN109655995B (en) | 2019-01-24 | 2019-01-24 | Large-diameter primary mirror lifting mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267869A (en) * | 2021-05-14 | 2021-08-17 | 汕头大学 | Large-diameter reflector lifting device capable of being automatically assembled |
| CN115469428A (en) * | 2022-10-11 | 2022-12-13 | 中国工程物理研究院激光聚变研究中心 | Auxiliary mounting device for reflection mirror frame |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974556A (en) * | 2016-07-22 | 2016-09-28 | 湖南科技大学 | Supporting and adjusting structure of dish solar concentrator mirror surface unit |
| CN107264407A (en) * | 2016-03-31 | 2017-10-20 | 株式会社村上开明堂 | The visuognosis angle-adjusting mechanism of visuognosis device |
-
2019
- 2019-01-24 CN CN201910067730.6A patent/CN109655995B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107264407A (en) * | 2016-03-31 | 2017-10-20 | 株式会社村上开明堂 | The visuognosis angle-adjusting mechanism of visuognosis device |
| CN105974556A (en) * | 2016-07-22 | 2016-09-28 | 湖南科技大学 | Supporting and adjusting structure of dish solar concentrator mirror surface unit |
Non-Patent Citations (1)
| Title |
|---|
| 孙敬伟，等: "4m SiC主镜起吊装置结构设计与分析", 《红外与激光工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267869A (en) * | 2021-05-14 | 2021-08-17 | 汕头大学 | Large-diameter reflector lifting device capable of being automatically assembled |
| CN115469428A (en) * | 2022-10-11 | 2022-12-13 | 中国工程物理研究院激光聚变研究中心 | Auxiliary mounting device for reflection mirror frame |
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| CN109655995B (en) | 2020-10-13 |
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