CN207474079U - A kind of big carrying flexible hinge guiding mechanism - Google Patents
A kind of big carrying flexible hinge guiding mechanism Download PDFInfo
- Publication number
- CN207474079U CN207474079U CN201721246554.5U CN201721246554U CN207474079U CN 207474079 U CN207474079 U CN 207474079U CN 201721246554 U CN201721246554 U CN 201721246554U CN 207474079 U CN207474079 U CN 207474079U
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- China
- Prior art keywords
- flexible hinge
- chain group
- guiding mechanism
- platform
- hinge chain
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Abstract
Flexible hinge guiding mechanism is carried greatly the utility model discloses a kind of, including：Nucleus movement platform (3), rigid support platform (1), the main flexible hinge chain group (2) being separately positioned on different directions and time flexible hinge chain group (401).By the cooperation of main flexible hinge chain group (2) and time flexible hinge chain group (401), effectively prevent nucleus movement platform be driven device opplied moment it is excessive when, the technical issues of nucleus movement platform can not realize expected positioning accuracy.
Description
Technical field
The utility model is related to the technical field of precision movement platform, more particularly, to a kind of big carrying flexible hinge
Guiding mechanism.
Background technology
Due to having the characteristics that flexible hinge has obtained extensively should in precision movement platform design without rubbing, exempting from lubrication
With.In precision movement platform design, flexible hinge is primarily used to guiding mechanism design.
Fig. 1 is existing exemplary flexible hinge guiding mechanism.As shown in Figure 1, nucleus movement platform 3 passes through flexible hinge battle array
Row 2 are connect with rigid support platform 1.It is particularly, described using straight beam type flexible hinge in flexible hinge array 2 shown in FIG. 1
Flexible hinge array 2 may be the flexible hinge array 2a that cut type flexible hinge as shown in Figure 2 is formed.
The operation principle of flexible hinge guide frame shown in FIG. 1 is as shown in Figure 3.Rigid support platform 1 is fixed on engine base
Or on primary motor platform, nucleus movement platform 3 is rigidly connected with driver.Flexible hinge array 2 is issued in driver effect
It is deformed shown in raw Fig. 3 (II), the nucleus movement platform 3 deforms according to the stiffness characteristics rule of flexible hinge array 2, produces
Raw designated displacement.
There are the following problems for existing flexible hinge guiding mechanism shown in fig. 1 or fig. 2：When 3 institute of nucleus movement platform
Be driven device opplied moment it is excessive when, the flexible hinge array 2 there may be as shown in Fig. 4 (I) inoperative direction change
Shape, and then the nucleus movement platform 3 is made to generate the yaw displacement shown in Fig. 4 (I), cause the nucleus movement platform 3 can not
Realize expected positioning accuracy；When the external applied load that the nucleus movement platform 3 is born is larger, the flexible hinge array 2 can
The inoperative Direction distortion as shown in Fig. 4 (II) can be generated, likewise resulting in the nucleus movement platform 3 can not realize that expection is fixed
Position precision.
General air supporting or magnetic suspension supporting way is used to carry out the mode of rigidity enhancing to flexible hinge guiding mechanism can be with
The ability that flexible hinge guiding mechanism resists inoperative Direction distortion is preferably improved, but the major defect of aforesaid way is to make
It makes higher with use cost, limits its use scope.
It is proposed in patent CN201610508540.X soft to enhance with low friction linear bearing and local magnetic support etc.
Property hinge guiding mechanism resist inoperative Direction distortion ability.The shortcomings that main existing for aforesaid way, has：(1) can only slightly increase
Strong load-bearing rigidity and the deformability for resisting inoperative direction, rigidity enhancing effect are limited；(2) it needs using specific criteria zero
Part increases manufacturing cost, and limits structure design degree of freedom.
Invention content
In order to solve nucleus movement platform be driven device opplied moment it is excessive when, flexible hinge array generate inoperative side
To deformation, and then nucleus movement platform is made to generate yaw displacement, cause nucleus movement platform that can not realize expected positioning accuracy
Technical problem, the utility model provide a kind of big carrying flexible hinge guiding mechanism.
The technical solution adopted in the utility model is：A kind of big carrying flexible hinge guiding mechanism, including：Nucleus movement
Platform (3), main flexible hinge chain group (2), rigid support platform (1) and time flexible hinge chain group (401)；
The nucleus movement platform (3) respectively by main flexible hinge chain group (2) and time flexible hinge chain group (401) with it is described just
Property support platform (1) connect；
The main flexible hinge chain group (2) is arranged on the side of the direction of motion of the nucleus movement platform (3)；
The secondary flexible hinge chain group (401) is arranged in the direction of motion of the nucleus movement platform (3)；
The layout direction of the main flexible hinge chain group (2) and the flexible hinge of the secondary flexible hinge chain group (401) is described
It is mutually perpendicular in the direction plane of nucleus movement platform (3) direction of motion, and symmetrical both with respect to the nucleus movement platform (3)
Arrangement.
Preferably, the nucleus movement platform (3) passes through rigid connection portion (402) and the secondary flexible hinge chain group (401)
Connection.
Preferably, the main flexible hinge chain group (2) is propped up with the flexible hinge in time flexible hinge chain group (401) and the rigidity
Platform (1) is supportted to fabricate for integral type.
Preferably, the guiding mechanism further includes Stiff Block (403), the embedded rigid support platform of Stiff Block (403)
(1) it in, and is rigidly connected with the rigid support platform (1), is led with increasing due to processing the secondary flexible hinge chain group (401)
The rigidity of weak part produced by causing the rigid support platform (3).
Preferably, the Stiff Block (403) carries out rigid connect with the rigid support platform (1) by bolt group A (404)
It connects.
Preferably, the secondary flexible hinge chain group includes spring leaf (401a), and the spring leaf (401a) is propped up with the rigidity
Platform (1) is supportted to be rigidly connected.
Preferably, the spring leaf (401a) is rigidly connected by bolt group B (405) and the rigid support platform (1).
Preferably, the secondary flexible hinge chain group further includes link block B (408), and the nucleus movement platform (3) passes through connection
Block B (408) is rigidly connected with the spring leaf (401a).
Preferably, the secondary flexible hinge chain group further includes link block A (407), and the spring leaf (401a) is multi-disc, multi-disc
The middle part of the spring leaf (401a) is rigidly connected by link block A (407).
Preferably, pass through bolt group C between spring leaf described in multi-disc (401a), link block B (408), link block A (407)
(406) it is rigidly connected.
Compared with prior art, the beneficial effects of the utility model are：
1. one group and the flexible hinge array arrangement side in main flexible hinge chain group are provided in load-bearing rigidity enhancing structure
To vertical secondary flexible hinge chain group, bear to carry greatly to increase guiding mechanism using the flexible hinge array in secondary flexible hinge chain group
Lotus and the ability for resisting inoperative Direction distortion；
2. the load-bearing rigidity proposed increases, structure form processing is flexible, and the motion platform for being suitable for different structure size is set
Meter；
3. the processing and manufacturing of big carrying flexible hinge guiding mechanism proposed is at low cost, applied widely.
Description of the drawings
Fig. 1 is straight beam type flexible hinge guiding mechanism schematic diagram in the prior art.
Fig. 2 is cut type flexible hinge guiding mechanism schematic diagram in the prior art.
Fig. 3 is the operation principle schematic diagram of flexible hinge in the prior art.
Fig. 4 is the schematic diagram of problem present in flexible hinge guiding mechanism in the prior art.
Fig. 5 is the schematic diagram of the flexible hinge guiding mechanism comprising rigidity reinforcement structure of embodiment 1.
Fig. 6 is the axis sectional view and partial enlarged view of the guiding mechanism of embodiment 1.
Fig. 7 is the front cross sectional view and partial enlarged view of embodiment 1.
Fig. 8 is the assembly axis sectional view of 1 guiding mechanism of embodiment.
Fig. 9 is the assembly axis side front cross sectional view and partial enlarged view of 1 guiding mechanism of embodiment.
Figure 10 is 2 overall schematic of embodiment.
Figure 11 is the assembly axis sectional view and partial enlarged view of 2 guiding mechanism of embodiment.
Figure 12 is 2 guiding mechanism assembly front cross sectional view of embodiment and partial enlarged view.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；It is attached in order to more preferably illustrate the present embodiment
Scheme certain components to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of position relationship described in attached drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
Embodiment 1.
A kind of embodiment 1 of big carrying flexible hinge guiding mechanism that the utility model is proposed is as shown in Figure 5.Embodiment
The main distinction of guiding mechanism shown in 1 and existing flexible hinge guiding mechanism is in increasing for carrying big load and resistance
Secondary flexible hinge (401) used in inoperative Direction distortion.The operation principle of 1 guiding mechanism of embodiment is：Such as Fig. 6 and Fig. 7 institutes
Show, the nucleus movement platform (3) is propped up respectively by main flexible hinge chain group (2) and time flexible hinge chain group (401) with the rigidity
Platform (1) is supportted to connect.The main flexible hinge chain group (2) is propped up with the flexible hinge in time flexible hinge chain group (401) and the rigidity
It supports platform (1) to fabricate for integral type, the secondary flexible hinge chain group (401) passes through rigid connection portion (402) and the core
Motion platform (3) connects.The main flexible hinge chain group (2) and the main work side of the flexible hinge in time flexible hinge chain group (401)
To the direction of displacement for being the nucleus movement platform (3).The main flexible hinge chain group (2) and the secondary flexible hinge chain group
(401) the layout direction of flexible hinge is mutually perpendicular in the direction plane of nucleus movement platform (3) direction of motion, and
It is arranged symmetrically both with respect to the nucleus movement platform (3), as shown in Figure 7.The master for being mutually perpendicular to arrangement in three dimensions is soft
Property hinge set (2) and the secondary flexible hinge chain group (401) in flexible hinge can mutually strengthen it is mutual bear big load and
Resist the ability of inoperative Direction distortion.
The application of flexible hinge guide frame on the moving platform described in embodiment 1 is as shown in Figure 8 and Figure 9.The core
Motion platform (3) is driven by the linear actuator (5), and the work shift of the nucleus movement platform (3) is passed by pattern displacement
Sensor (6), which measures, to be obtained.Driver described in straight line (5) effect is inclined caused by with the torque on the nucleus movement platform (3)
Indexing is moved is offset by the secondary flexible hinge chain group being arranged symmetrically with the nucleus movement platform (3).The nucleus movement platform (3) is held
When carrying big load, since main flexible hinge chain group (2) motion platform (3) caused by vertical load direction rigidity is relatively low is sunk
The flexibility that displacement is arranged symmetrically by relatively described nucleus movement platform (3) horizontal central plane in the secondary flexible hinge chain group (401)
Hinge is offset.By above-mentioned operation principle, the nucleus movement platform (3) utilizes the rigidity enhancing side of the secondary flexible hinge chain group
Formula can greatly improve the ability that big load resists inoperative Direction distortion of bearing.
Particularly, the rigid support in the utility model embodiment 1 caused by processing time flexible hinge chain group (401) is put down
The weak part of platform (3) can carry out rigidly connected mode to increase by an embedded Stiff Block (403) blending bolt group A (404)
Add the rigidity of rigid support platform (3).
Embodiment 2.
A kind of embodiment 2 for the flexible hinge guiding mechanism that the utility model is proposed is as shown in Figure 10 to Figure 12.Implement
2 guiding mechanism of example and the main difference point of 1 guiding mechanism of embodiment are：The secondary flexible hinge chain group (401) of embodiment 1 using with
The rigid support platform is integrally machined mode and is manufactured, and the secondary flexible hinge chain group described in embodiment 2 is using component assembling
Mode is manufactured.
As is illustrated by figs. 11 and 12, secondary flexible hinge chain group includes spring leaf (401a), bolt group B (405), bolt group C
(406), link block A (407), link block B (408) etc..Wherein, the spring leaf (401a) by bolt group B (405) with it is described
Rigid support platform (1) is rigidly connected, and the nucleus movement platform (3) passes through link block B (408), link block A (407) and spiral shell
The components such as bolt group C (406) in the middle part of the spring leaf (401a) with being rigidly connected.It is assembled by above-mentioned rigid connection, the spring
Piece (401a) can realize the said function with described in embodiment 1 flexible hinge chain group (401).Spring leaf (401a) dress
The secondary flexible hinge assembly that ligand is formed can be used for increasing the nucleus movement platform (3) and bear big load and resist non-
The ability of operative orientation deformation.
Remaining operation principle of embodiment 2 is same as Example 1.Each technical characteristic of embodiment described above can carry out
Arbitrary combination, to make description succinct, combination not all possible to each technical characteristic in above-described embodiment is all retouched
State, as long as however, the combination of these technical characteristics be not present contradiction, be all considered to be this specification record range.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principles of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (9)
1. a kind of big carrying flexible hinge guiding mechanism, which is characterized in that including：Nucleus movement platform (3), main flexible hinge chain group
(2), rigid support platform (1) and time flexible hinge chain group (401)；
The nucleus movement platform (3) is propped up respectively by main flexible hinge chain group (2) and time flexible hinge chain group (401) with the rigidity
Platform (1) is supportted to connect；
The main flexible hinge chain group (2) is arranged on the side of the direction of motion of the nucleus movement platform (3)；
The secondary flexible hinge chain group (401) is arranged in the direction of motion of the nucleus movement platform (3)；
The layout direction of the flexible hinge of the main flexible hinge chain group (2) and the secondary flexible hinge chain group (401) is in the core
It is mutually perpendicular in the direction plane of motion platform (3) direction of motion, and both with respect to the symmetrical cloth of the nucleus movement platform (3)
It puts.
2. big carrying flexible hinge guiding mechanism according to claim 1, it is characterised in that：The guiding mechanism further includes
Rigid connection portion (402), the nucleus movement platform (3) pass through rigid connection portion (402) and the secondary flexible hinge chain group (401)
Connection.
3. big carrying flexible hinge guiding mechanism according to claim 1 or 2, it is characterised in that：The main flexible hinge
Group (2) is fabricated with the flexible hinge in time flexible hinge chain group (401) with the rigid support platform (1) for integral type.
4. big carrying flexible hinge guiding mechanism according to claim 3, it is characterised in that：The guiding mechanism further includes
Stiff Block (403), Stiff Block (403) are embedded in the rigid support platform (1), and rigid with the rigid support platform (1)
Connection, to increase due to the processing secondary flexible hinge chain group (401) and weak point produced by leading to the rigid support platform (3)
The rigidity of position.
5. big carrying flexible hinge guiding mechanism according to claim 4, it is characterised in that：The Stiff Block (403) with
The rigid support platform (1) is rigidly connected by bolt group A (404).
6. big carrying flexible hinge guiding mechanism according to claim 1, it is characterised in that：The secondary flexible hinge chain group packet
Spring leaf (401a) is included, the spring leaf (401a) is rigidly connected with the rigid support platform (1).
7. big carrying flexible hinge guiding mechanism according to claim 6, it is characterised in that：The spring leaf (401a) is logical
Bolt group B (405) is crossed to be rigidly connected with the rigid support platform (1).
8. big carrying flexible hinge guiding mechanism according to claim 6, it is characterised in that：The secondary flexible hinge chain group is also
Including link block A (407), the spring leaf (401a) is multi-disc, and the middle part of spring leaf (401a) passes through link block A described in multi-disc
(407) it is rigidly connected.
9. big carrying flexible hinge guiding mechanism according to claim 8, it is characterised in that：Spring leaf described in multi-disc
It is rigidly connected between (401a), link block B (408), link block A (407) by bolt group C (406).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721246554.5U CN207474079U (en) | 2017-09-26 | 2017-09-26 | A kind of big carrying flexible hinge guiding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721246554.5U CN207474079U (en) | 2017-09-26 | 2017-09-26 | A kind of big carrying flexible hinge guiding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474079U true CN207474079U (en) | 2018-06-08 |
Family
ID=62266238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721246554.5U Withdrawn - After Issue CN207474079U (en) | 2017-09-26 | 2017-09-26 | A kind of big carrying flexible hinge guiding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207474079U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705822A (en) * | 2017-09-26 | 2018-02-16 | 广东工业大学 | A kind of big carrying flexible hinge guiding mechanism |
| CN109648354A (en) * | 2018-12-13 | 2019-04-19 | 广东工业大学 | A kind of the Coupled Rigid-flexible platform and motion platform of intermediate regulations rigidity |
| CN110281034A (en) * | 2019-05-28 | 2019-09-27 | 广东工业大学 | A kind of the Coupled Rigid-flexible platform and motion platform of band enhancing flexible hinge chain group |
| CN110281033A (en) * | 2019-05-28 | 2019-09-27 | 广东工业大学 | A kind of multiaxis Rigid-flexible Coupled Motion platform |
-
2017
- 2017-09-26 CN CN201721246554.5U patent/CN207474079U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705822A (en) * | 2017-09-26 | 2018-02-16 | 广东工业大学 | A kind of big carrying flexible hinge guiding mechanism |
| CN107705822B (en) * | 2017-09-26 | 2022-11-22 | 广东工业大学 | Large-bearing flexible hinge guide mechanism |
| CN109648354A (en) * | 2018-12-13 | 2019-04-19 | 广东工业大学 | A kind of the Coupled Rigid-flexible platform and motion platform of intermediate regulations rigidity |
| CN110281034A (en) * | 2019-05-28 | 2019-09-27 | 广东工业大学 | A kind of the Coupled Rigid-flexible platform and motion platform of band enhancing flexible hinge chain group |
| CN110281033A (en) * | 2019-05-28 | 2019-09-27 | 广东工业大学 | A kind of multiaxis Rigid-flexible Coupled Motion platform |
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Granted publication date: 20180608 Effective date of abandoning: 20221122 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180608 Effective date of abandoning: 20221122 |