CN107688220B - A kind of adjusting platform - Google Patents
A kind of adjusting platform Download PDFInfo
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- CN107688220B CN107688220B CN201710735917.XA CN201710735917A CN107688220B CN 107688220 B CN107688220 B CN 107688220B CN 201710735917 A CN201710735917 A CN 201710735917A CN 107688220 B CN107688220 B CN 107688220B
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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
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Abstract
The invention discloses a kind of adjusting platforms, comprising: the upper mounting plate and lower platform being oppositely arranged；At least three thick grades of driving legs, the thick grade driving leg include torque motor, the lead screw shaft being fixedly connected with the rotor of the torque motor and the moving sleeve being threadedly coupled with the lead screw shaft；At least three smart grade driving legs, the essence grade driving leg includes the relatively-stationary connection sleeve of stator of linear motor and the linear motor and is set to the elastic piece connected in sleeve, the first position of the elastic piece is fixedly connected with the mover of the linear motor, and the second position of the elastic piece is fixedly connected with the connection sleeve.The structure design of the adjusting platform, which can efficiently solve, solves the problems, such as that adjusting platform mass size is larger and precision is low.
Description
Technical field
The present invention relates to optical component regulation technology fields, more specifically to a kind of adjusting platform.
Background technique
With being constantly progressive for space technology, the requirement to space optics load pointing accuracy is also higher and higher.Optics carries
The pointing technology of lotus is to improve observation and sphere of action, guarantees the key technology of good image quality, and effect includes two aspects:
First is that increasing the sphere of action of optics load；Second is that stablizing optical axis, the optical axis as caused by the factors such as satellite platform vibration is compensated
It is directed toward shake, improves image quality.Ideal space optics load pointing technology needs to have following features: adjusting range is big,
Pointing accuracy is high, stability is good etc..In addition, also it is excellent to have compact-sized, light weight etc. for requirement to meet space application demand
Point.
Currently, the pointing technology that space optics load is taken in the world has quality and size larger, rigidity is lower, control
The disadvantages of bandwidth and not high precision processed.
It is current ability in conclusion how to efficiently solve the problem for adjusting that platform mass size is larger and precision is low
Field technique personnel's urgent problem.
Summary of the invention
In view of this, the structure design of the adjusting platform can have the purpose of the present invention is to provide a kind of adjusting platform
Effect ground solves the problems, such as that solution adjusting platform mass size is larger and precision is low.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of adjusting platform, comprising:
The upper mounting plate and lower platform being oppositely arranged；
At least three thick grades of driving legs, both ends pass through flexural pivot respectively and connect with the upper mounting plate and lower platform, described thick
Grade driving leg is obliquely installed relative to the vertical line between the upper mounting plate and lower platform, and the thick grade driving leg includes torque electricity
Machine, the lead screw shaft being fixedly connected with the rotor of the torque motor and the moving sleeve being threadedly coupled with the lead screw shaft；
At least three smart grade driving legs, both ends pass through flexural pivot respectively and connect with the upper mounting plate and lower platform, the essence
Grade driving leg is obliquely installed relative to the vertical line between the upper mounting plate and lower platform, and the essence grade driving leg includes straight-line electric
The elastic piece stator of machine and the linear motor relatively-stationary connection sleeve and be set in the connection sleeve, it is described
The first position of elastic piece is fixedly connected with the mover of the linear motor, the second position of the elastic piece and the connector sleeve
Cylinder inner wall is fixedly connected.
Preferably, in above-mentioned adjusting platform, the thick grade driving leg further includes be set on the outside of the torque motor
One shell and the flange being fixedly connected with the first shell, the rotor of the torque motor and the lead screw shaft pass through deep-groove ball
Bearing guarantees the concentricity of the two.
Preferably, in above-mentioned adjusting platform, the first shell is protruded into one end of the lead screw shaft and the other end stretches out institute
First shell is stated, the lead screw shaft is connect with the rotor of the torque motor by shaft coupling, the lead screw shaft and described first
Shell is connected by angular contact ball bearing.
Preferably, in above-mentioned adjusting platform, the end for protruding into moving sleeve of the lead screw shaft is provided with limit baffle, with
The end of the lead screw shaft is prevented to be detached from the moving sleeve.
Preferably, it in above-mentioned adjusting platform, is provided on the upper mounting plate and/or lower platform for being driven with the thick grade
The mounting surface of leg connection, and there is angle between the mounting surface and the upper mounting plate and the table top of lower platform.
Preferably, in above-mentioned adjusting platform, the polycyclic hollow out radially arranged along it, every ring are provided on the elastic piece
The hollow out includes the multiple arcs through-hole being uniformly distributed circumferentially.
Preferably, in above-mentioned adjusting platform, the connection sleeve is internally provided with for limiting the elastic piece displacement
Limit film.
Preferably, in above-mentioned adjusting platform, the first position is the middle part of the elastic piece, and the second position is institute
State the edge of elastic piece.
Preferably, in above-mentioned adjusting platform, the quantity of the thick grade driving leg is three, any one described thick grade driving leg
Circumferentially the installation site of another thick grade driving leg can be obtained in rotation one third circumference；
The quantity of the essence grade driving leg is three, any one described smart grade driving leg circumferentially rotates one third circle
The installation site of another smart grade driving leg can be obtained week.
Preferably, in above-mentioned adjusting platform, basic circle one and basic circle two are all had on the upper mounting plate and lower platform, and
The diameter of the basic circle one is greater than the basic circle two, the link position of the upper mounting plate and the thick grade driving leg and described
The link position of lower platform and the thick grade driving leg is respectively positioned on the basic circle one, and the upper mounting plate and the smart grade drive
The link position of the link position of leg and the lower platform and the smart grade driving leg is respectively positioned on the basic circle two.
When using adjusting platform provided by the invention, after optical element is placed on upper mounting plate, progress coarse adjustment first, slightly
The torque motor driving lead screw shaft of grade driving leg is rotated, and moving sleeve and lead screw shaft are rotatablely connected, and then realize movable sleeving
Cylinder will be converted into axial linear motion along the axial movement of lead screw shaft, by the flexible reality for adjusting thick grade driving leg
Now to a wide range of adjustment of upper mounting plate, the distance between the both ends of smart grade driving leg are remained unchanged in coarse tuning process, pass through change
The rotational angle of flexural pivot cooperates the stroke alteration of thick grade driving leg above and below smart grade driving leg.When accurate adjustment, the mover band of linear motor
The first position of dynamic elasticity piece is mobile, and then realizes the fine tuning to upper mounting plate, and compensation is caused due to factors such as satellite platform vibrations
Optical element optical jitter, thick grade driving leg length remains unchanged during accurate adjustment, passes through and changes thick grade driving leg flexural pivot
Rotational angle cooperates the stroke alteration of smart grade driving leg.From the foregoing, it will be observed that can first coarse adjustment reality using regulating platform provided by the present application
The fine tuning to upper mounting plate now is realized to a wide range of adjustment of upper mounting plate, then accurate adjustment, substantially increases degree of regulation, in addition the application
The regulating platform size and quality of offer are smaller, are more convenient to operate.
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
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram provided in an embodiment of the present invention for adjusting platform；
Fig. 2 is the cross-sectional view of thick grade driving leg provided in an embodiment of the present invention；
Fig. 3 is the cross-sectional view of smart grade driving leg provided in an embodiment of the present invention；
Fig. 4 is the bottom view of upper mounting plate provided in an embodiment of the present invention；
Fig. 5 is the top view of lower platform provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of elastic piece provided in an embodiment of the present invention.
In figs. 1-6:
The thick grade driving leg of 1-, 1a- first shell, 1b- flange, 1c- deep groove ball bearing, the rotor of 1d- torque motor, 1e-
Stator, 1f- angular contact ball bearing, 1g- lead screw shaft, 1h- moving sleeve, the 1i- of torque motor limit baffle, 2- upper mounting plate, 3-
Lower platform, 4- essence grade driving leg, 4a- connection sleeve, 4b- connecting column, the mover of 4c- linear motor, 4d- linear motor are determined
Son, 4g- elastic piece, 4g1- arc-shaped through-hole, 4f- limit film, A- basic circle two, B- basic circle one.
Specific embodiment
The purpose of the present invention is to provide a kind of adjusting platform, the structure design of the adjusting platform can efficiently solve solution
Certainly adjust the problem that platform mass size is larger and precision is low.
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 every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", " left side " and " right side " etc. refer to
The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplifies
Description, rather than the position of indication or suggestion meaning or element must have particular orientation, be constituted and operated with specific orientation,
Therefore it should not be understood as limitation of the invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance.
Fig. 1-Fig. 6 is please referred to, adjusting platform provided in an embodiment of the present invention includes upper mounting plate 2, lower platform 3, the driving of thick grade
Leg 1 and smart grade driving leg 4.Wherein, upper mounting plate 2 and lower platform 3 are oppositely arranged, and thick grade driving leg 1 and smart grade driving leg 4 are respectively positioned on
Between upper mounting plate 2 and lower platform 3.The quantity of thick grade driving leg 1 is at least three, and the both ends of thick grade driving leg 1 pass through ball respectively
Hinge is connect with upper mounting plate 2 and lower platform 3, i.e., the upper end of thick grade driving leg 1 is connect by flexural pivot with upper mounting plate 2, thick grade driving leg 1
Lower end connect with lower platform 3 by flexural pivot.Thick grade driving leg 1 is set relative to the vertical line inclination between upper mounting plate 2 and lower platform 3
It sets, wherein the vertical line between upper mounting plate 2 and lower platform 3 is the not only straight line perpendicular to upper mounting plate 2 but also perpendicular to lower platform 3, slightly
There is angle between vertical line between the line and upper mounting plate 2 and lower platform 3 at 1 both ends of grade driving leg.Specifically, thick grade driving leg
1 include torque motor, with the rotor 1d of the torque motor lead screw shaft 1g being fixedly connected and the movement being threadedly coupled with lead screw shaft 1g
Sleeve 1h drives lead screw shaft 1g rotation when the rotor 1d of such torque motor is rotated, lead screw shaft 1g is rotated and then realization movable sleeving
The axial movement of cylinder 1h, and then realize and adjust the distance between thick 1 both ends of grade driving leg.One end of thick grade driving leg 1 and torque
The stator 1e of motor is relatively fixed, and the other end and moving sleeve 1h are relatively fixed.
The quantity of smart grade driving leg 4 is at least three, and the both ends of smart grade driving leg 4 pass through respectively flexural pivot and it is described on
Platform 2 and lower platform 3 connect, i.e., the upper end of smart grade driving leg 4 is connect by flexural pivot with upper mounting plate 2, the lower end of smart grade driving leg 4
It is connect by flexural pivot with lower platform 3.Smart grade driving leg 4 is obliquely installed relative to the vertical line between upper mounting plate 2 and lower platform 3,
Vertical line between middle upper mounting plate 2 and lower platform 3 is that not only the straight line perpendicular to upper mounting plate 2 but also perpendicular to lower platform 3, smart grade had driven
There is angle between vertical line between the line and upper mounting plate 2 and lower platform 3 at 4 both ends of leg.Smart grade driving leg 4 includes straight-line electric
The elastic piece 4g stator 4d of machine and linear motor relatively-stationary connection sleeve 4a and be set in connection sleeve 4a, elasticity
The first position of piece 4g is fixedly connected with the mover 4c of linear motor, and the second position of elastic piece 4g is consolidated with sleeve 4a inner wall is connect
Fixed connection.In this way, since the second position of elastic piece 4g and the stator 4d for connecting sleeve 4a and linear motor are relatively fixed, when straight
When the mover 4c of line motor drives the first position of elastic piece 4g mobile, there is the restriction effect of connection sleeve 4a, linear motor
Mover 4c can only generate the displacement of very little, and then realize accurate adjustment.One end of smart grade driving leg 4 and the mover 4c of linear motor are opposite
Fixed, the stator 4d of the other end and linear motor is relatively fixed.
When using adjusting platform provided by the invention, after optical element is placed on upper mounting plate 2, progress coarse adjustment first,
The torque motor driving lead screw shaft 1g of thick grade driving leg 1 is rotated, and moving sleeve 1h and lead screw shaft 1g are rotatablely connected, Jin Ershi
Existing moving sleeve 1h will be converted into axial linear motion along the axial movement of lead screw shaft 1g, be driven by adjusting thick grade
A wide range of adjustment of the flexible realization of leg 1 to upper mounting plate 2 is moved, the distance between the both ends of smart grade driving leg 4 are protected in coarse tuning process
Hold constant, the rotational angle by changing smart about 4 flexural pivot of grade driving leg cooperates the stroke alteration of thick grade driving leg 1.When accurate adjustment,
The mover 4c of linear motor drives the first position of elastic piece 4g mobile, and then realizes the fine tuning to upper mounting plate 2, compensates due to defending
Optical element optical jitter caused by the factors such as star Platform Vibration, thick 1 length of grade driving leg remains unchanged during accurate adjustment, passes through
The rotational angle for changing thick 1 flexural pivot of grade driving leg cooperates the stroke alteration of smart grade driving leg 4.From the foregoing, it will be observed that being mentioned using the application
The regulating platform of confession can first coarse adjustment realize that the fine tuning to upper mounting plate 2 is realized in a wide range of adjustment to upper mounting plate 2, then accurate adjustment, significantly
Degree of regulation is improved, in addition regulating platform size and quality provided by the present application are smaller, are more convenient to operate.
Wherein, thick grade driving leg 1 can also include the first shell 1a and and first shell being set on the outside of torque motor
The flange 1b that 1a is fixedly connected, i.e. the stator 1e of torque motor and rotor are respectively positioned in first shell 1a, flange 1b and first shell
The inner wall of body 1a is fixedly connected.The rotor 1d or lead screw shaft 1g of torque motor are connect with flange 1b by bearing, specifically torque
The rotor 1d and lead screw shaft 1g of motor are connected by shaft coupling, and the two meets turning for torque motor by deep groove ball bearing 1c
Concentricity between sub- 1d and stator.It wherein, can be by lead screw shaft 1g and flange if lead screw shaft 1g is protruded into first shell 1a
1b is connected by angular contact ball bearing 1f, can be turned torque motor if the rotor 1d of torque motor stretches out first shell 1a
Sub- 1d is connect with flange 1b by angular contact ball bearing 1f, is not limited thereto.
Further, rotor can be entirely located in first shell 1a, one end of lead screw shaft 1g protrude into first shell 1a and
The other end stretches out first shell 1a, and lead screw shaft 1g protrudes into the part of first shell 1a and passes through shaft coupling with the rotor 1d of torque motor
Connection.Also, lead screw shaft 1g is connect with first shell 1a by angular contact bearing 1f, i.e. lead screw shaft 1g passes through angular contact ball bearing
1f support, to realize the positioning of lead screw shaft 1g.
One end that lead screw shaft 1g is located on the outside of first shell 1a is extend into moving sleeve 1h, and lead screw shaft 1g is realized when rotating
Moving sleeve 1h and then realizes the length adjustment of thick grade driving leg 1, i.e., thick grade driving leg 1 along the axial movement of lead screw shaft 1g
Both ends the distance between adjust.It is detached from moving sleeve 1h when lead screw shaft 1g is rotated in order to prevent, it can also be lead screw shaft 1g's
When protruding into the end setting limit baffle 1i, such moving sleeve 1h of moving sleeve 1h along lead screw shaft 1g axial movement, limit
Then moving sleeve 1h just cannot be mobile relative to lead screw shaft 1g again when the inner wall of baffle 1i and moving sleeve 1h offsets, and then realizes
The axial limiting of moving sleeve 1h.
Nut can be fixedly installed inside the moving sleeve 1h of thick grade driving leg 1, nut is threadedly engaged with lead screw shaft 1g, into
And realize the relative rotation and axial movement of moving sleeve 1h Yu lead screw shaft 1g.
As shown in Figure 1, in order to increase the rotational angle of the flexural pivot of the top and bottom of thick grade driving leg 1 connection, Ke Yi
Be provided with the mounting surface for connecting with thick grade driving leg 1 on upper mounting plate 2 and/or lower platform 3, and mounting surface and upper mounting plate 2 and
There is angle between the table top of lower platform 3, i.e., there is angle between the vertical line between mounting surface and upper lower platform 3.
It is also provided with mechanical encoder in the first shell 1a of thick grade driving leg 1, mechanical encoder can recorde power
The turnning circle of the rotor 1d of torque motor obtains the moving displacement of moving sleeve 1h in turn, and is fed back to realize accurate control
System.
Preferably, the quantity of thick grade driving leg 1 is three, any one thick grade driving leg 1 circumferentially rotates one third
The installation site of another thick grade driving leg 1 can be obtained in circumference.I.e. three thick grade driving legs 1 are circumferentially uniformly distributed, with
Realize more stable support.
As shown in figure 4, being wherein provided on elastic piece 4g and radially being arranged along it to enhance the axial rigidity of elastic piece 4g
The polycyclic hollow out of cloth, every ring hollow out include the multiple arcs through-hole 4g1 being uniformly distributed circumferentially.Specifically, every ring hollow out can wrap
Include six arc-shaped through-hole 4g1 being uniformly distributed circumferentially.Elastic piece 4g is processed using chemical etching, without macroscopical cutting force, is disappeared
In addition to being machined bring residual stress, material uses beryllium copper.
For each essence grade driving leg 4 with there are two elastic piece 4g, radial rigidity is much larger than axial rigidity, can straight limit electricity
Motor-driven son can only move axially so.
In order to which the mover 4c to linear motor is limited, the connection sleeve 4a of smart grade driving leg 4, which is internally provided with, to be used for
Limit the limit film 4f of elastic piece 4g displacement.As each smart 4 elastic piece 4g with there are two of grade driving leg, then it is located at upside elasticity
The lower section of piece 4g and limit film 4f is provided with above the elastic piece 4g of downside.It can also be arranged in certain limit film 4f
Its position, is not limited thereto.
Second shell can be set in smart grade driving leg 4, and linear motor is located in second shell, the mover 4c of linear motor with
Elastic piece 4g is fixedly connected by connecting column 4b.Linear motor can be specially voice coil motor, be not limited thereto.
Specifically, first position is the middle part of elastic piece 4g, and the second position is the edge of elastic piece 4g.That is elastic piece 4g's
The mover 4c of middle part and linear motor is relatively fixed, the edge of elastic piece 4g with to connect sleeve 4a relatively fixed, connect sleeve 4a
It is relatively fixed with the stator 4d of linear motor.It can so guarantee being more uniformly stressed for elastic piece 4g, when adjusting is more stable.
Certainly, first position may be the edge of elastic piece 4g, and the second position is the middle part of elastic piece 4g, be not limited thereto.
Preferably, the quantity of smart grade driving leg 4 is three, any one smart grade driving leg 4 circumferentially rotates one third
The installation site of another smart grade driving leg 4 can be obtained in circumference.Three smart grade driving legs 4 are uniformly distributed also along circumferential, with
Realize more stable support.Three smart grade driving legs 4 and three thick grade driving legs 1 can be staggered arrangement, and three essence grades drives
Dynamic leg 4 is located at the inside for the circumference that three thick grade driving legs 1 surround.
Three thick grade driving legs 1 can be sorted using odd number, and three smart grade driving legs 4 can be sorted using even number.Certainly,
Three thick grade driving leg 1 can also perhaps alphanumeric arrangement three smart grade driving legs 4 be arranged using odd number or letter using even number
Column, are not limited thereto.
As shown in Figures 3 and 4, two A of one B of basic circle and basic circle, and one B of basic circle are all had on upper mounting plate 2 and lower platform 3
Diameter be greater than two A of basic circle.The link position of upper mounting plate 2 and thick grade driving leg 1 is located on one B of basic circle of upper mounting plate 2, under
The link position of platform 3 and thick grade driving leg 1 is located on one B of basic circle of lower platform 3.The company of upper mounting plate 2 and smart grade driving leg 4
It connects position to be located on two A of basic circle of upper mounting plate 2, the link position of lower platform 3 and smart grade driving leg 4 is located at the base of lower platform 3
On two A of director circle.The link position of upper mounting plate 2 and lower platform 3 passes through flexural pivot and connect with thick grade driving leg 1 or smart grade driving leg 4.
I.e. smart grade driving leg 4 is located at the inside of thick grade driving leg 1, smart grade driving leg 4 than thick grade driving leg 1 closer to upper mounting plate 2 and under
The center of platform 3.One B of basic circle and two A of basic circle on upper mounting plate 2 and lower platform 3 are concentric circles.
The upper end of thick grade driving leg 1 and the upper end of smart grade driving leg 4 are connect with upper mounting plate 2 by flexural pivot, in use process
The rotation in three directions of the flexural pivot that the middle flexural pivot connected using thick 1 upper end of grade driving leg is connected with smart 4 upper end of grade driving leg is certainly
By spending.
Lower platform 3 can be fixed on disturbing source or micro-vibration platform, be not limited thereto.It can be placed on upper mounting plate 2
Optical element, by the adjustment of thick grade driving leg 1 and smart grade driving leg 4, upper mounting plate 2 and the optics being placed on upper mounting plate 2 member
The translational degree of freedom in three directions and the rotational freedom in three directions can be achieved in part.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of adjusting platform, including the upper mounting plate (2) and lower platform (3) being oppositely arranged, which is characterized in that further include:
At least three thick grades of driving legs (1), both ends pass through flexural pivot respectively and connect with the upper mounting plate (2) and lower platform (3), institute
It states thick grade driving leg (1) to be obliquely installed relative to the vertical line between the upper mounting plate (2) and lower platform (3), the thick grade driving
Leg (1) include torque motor, the lead screw shaft (1g) being fixedly connected with the rotor (1d) of the torque motor and with the lead screw shaft
The moving sleeve (1h) that (1g) is threadedly coupled；
At least three smart grade driving legs (4), both ends pass through flexural pivot respectively and connect with the upper mounting plate (2) and lower platform (3), institute
It states smart grade driving leg (4) to be obliquely installed relative to the vertical line between the upper mounting plate (2) and lower platform (3), the essence grade driving
Leg (4) includes the relatively-stationary connection sleeve (4a) of stator (4d) of linear motor and the linear motor and is set to described
The elastic piece (4g) in sleeve (4a) is connected, the first position of the elastic piece (4g) and the mover (4c) of the linear motor are solid
Fixed connection, the second position of the elastic piece (4g) is fixedly connected with connection sleeve (4a) inner wall.
2. adjusting platform according to claim 1, which is characterized in that the thick grade driving leg (1) further includes being set to institute
The flange (1b) stating the first shell (1a) on the outside of torque motor and being fixedly connected with the first shell (1a), the torque electricity
The rotor (1d) and the lead screw shaft (1g) of machine guarantee the concentricity of the two by deep groove ball bearing (1c).
3. adjusting platform according to claim 2, which is characterized in that one end of the lead screw shaft (1g) protrudes into described first
Shell (1a) and the other end stretch out the first shell (1a), and the lead screw shaft (1g) and the rotor (1d) of the torque motor are logical
Shaft coupling connection is crossed, the lead screw shaft (1g) is connect with the first shell (1a) by angular contact bearing (1f).
4. adjusting platform according to claim 1, which is characterized in that the lead screw shaft (1g) protrudes into moving sleeve (1h)
End be provided with limit baffle (1i), to prevent the end of the lead screw shaft (1g) to be detached from the moving sleeve (1h).
5. adjusting platform according to claim 1, which is characterized in that set on the upper mounting plate (2) and/or lower platform (3)
It is equipped with the mounting surface for connecting with the thick grade driving leg (1), and the mounting surface and the upper mounting plate (2) and lower platform
(3) there is angle between table top.
6. adjusting platform according to claim 1, which is characterized in that be provided on the elastic piece (4g) along its radial direction
The polycyclic hollow out of arrangement, hollow out described in every ring includes the multiple arcs through-hole (4g1) being uniformly distributed circumferentially.
7. adjusting platform according to claim 1, which is characterized in that the connection sleeve (4a) is internally provided with for limiting
Make the limit film (4f) of the elastic piece (4g) displacement.
8. adjusting platform according to claim 7, which is characterized in that the first position is in the elastic piece (4g)
Portion, the second position are the edge of the elastic piece (4g).
9. adjusting platform according to claim 1, which is characterized in that the quantity of the thick grade driving leg (1) is three, is appointed
One thick grade driving leg (1), which circumferentially rotates one third circumference, can be obtained another thick grade driving leg (1)
Installation site；
The quantity of the essence grade driving leg (4) is three, any one described smart grade driving leg (4) circumferentially rotates one third
The installation site of another smart grade driving leg (4) can be obtained in circumference.
10. adjusting platform according to claim 1 to 9, which is characterized in that the upper mounting plate (2) and lower platform
(3) basic circle one (B) and basic circle two (A) are all had on, and the diameter of the basic circle one (B) is greater than the basic circle two
(A), the link position and the lower platform (3) and the thick grade driving leg of the upper mounting plate (2) and the thick grade driving leg (1)
(1) link position is respectively positioned on the basic circle one (B), the connection position of the upper mounting plate (2) and the smart grade driving leg (4)
It sets and is respectively positioned on the basic circle two (A) with the link position of the lower platform (3) and the smart grade driving leg (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710735917.XA CN107688220B (en) | 2017-08-24 | 2017-08-24 | A kind of adjusting platform |
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|---|---|---|---|
| CN201710735917.XA CN107688220B (en) | 2017-08-24 | 2017-08-24 | A kind of adjusting platform |
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| CN107688220A CN107688220A (en) | 2018-02-13 |
| CN107688220B true CN107688220B (en) | 2019-08-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113238254B (en) * | 2021-04-12 | 2022-12-13 | 上海卫星工程研究所 | Piezoelectric hydraulic high-precision positioning platform device |
| CN113531074B (en) * | 2021-06-29 | 2023-03-10 | 中国科学院长春光学精密机械与物理研究所 | Displacement actuator |
| CN114081794B (en) * | 2021-12-17 | 2022-12-09 | 中国科学院长春光学精密机械与物理研究所 | Ankle joint rehabilitation robot |
| CN114354110B (en) * | 2021-12-30 | 2023-03-24 | 中国科学院长春光学精密机械与物理研究所 | Multidimensional micro-vibration simulator |
| CN114608775B (en) * | 2022-03-15 | 2024-04-30 | 中国科学院长春光学精密机械与物理研究所 | Landing leg type multidimensional micro-vibration simulator based on coarse and fine level driving assembly |
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| CN107688220A (en) | 2018-02-13 |
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