CN112460447A - Large-angle flexible supporting device - Google Patents
Large-angle flexible supporting device Download PDFInfo
- Publication number
- CN112460447A CN112460447A CN202011225481.8A CN202011225481A CN112460447A CN 112460447 A CN112460447 A CN 112460447A CN 202011225481 A CN202011225481 A CN 202011225481A CN 112460447 A CN112460447 A CN 112460447A
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- Prior art keywords
- side ring
- supporting
- supporting component
- support device
- angle flexible
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 63
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 229910000639 Spring steel Inorganic materials 0.000 claims description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a large-angle flexible supporting device which comprises a first side ring, a second side ring and a triangular frame, wherein three first supporting assemblies are arranged on the inner surface of the circumference of the first side ring, three second supporting assemblies are arranged on the inner surface of the circumference of the second side ring, and a first sliding head of each first supporting assembly is connected to a second sliding head of each second supporting assembly through the triangular frame, so that the first side ring and the second side ring are connected. The invention has the advantages of no lubrication, less component parts, good heat dissipation and the like, and can effectively provide a supporting function for space rotation motion.
Description
Technical Field
The invention belongs to the field of supporting devices, and particularly relates to a large-angle flexible supporting device.
Background
With the development of aerospace technology, more and more satellites are loaded with effective loads with rotation characteristics, the effective loads do not have a movement function, and generally are installed on a working platform with rotation characteristics, the rotation platforms drive the effective loads to move within a certain range, and the coverage range of the effective loads is enlarged, so that the design of the rotation platform suitable for complex environments becomes the key direction of current research. The design supporting component of the current rotating platform completely adopts bearing parts, the bearing parts can well meet the supporting effect during rotating work, the rotating friction coefficient is extremely low, but the bearing parts need to be lubricated by using a lubricant, and the use environment of the rotating platform in space is considered, so that great challenges are provided for the design of the bearing parts.
Disclosure of Invention
In view of the above, the present invention is directed to provide a large-angle flexible supporting device, which overcomes the defects that the conventional bearing parts need to be lubricated and cooled, and can provide a large-angle flexible supporting function for the rotation motion, thereby meeting the use requirements of the rotating platform.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a flexible strutting arrangement of wide-angle, includes side ring, No. two side rings and triangle frame, and a side ring circumference internal surface is equipped with three supporting component No. one, and No. two side ring circumference internal surfaces are equipped with three supporting component No. two, and a sliding head of three supporting component is connected to No. two sliding heads of three supporting component No. two through triangle frame, realizes the connection between a side ring and No. two side rings.
Furthermore, the first side ring and the second side ring are identical in structure, three arc-shaped grooves are formed in the outer circumferential surfaces of the first side ring and the second side ring, three separating blocks are formed among the three arc-shaped grooves, and the three separating blocks are spaced by 120 degrees in pairs.
Furthermore, a supporting component and No. two supporting components structure is the same, and a supporting component includes slider, loose blade, stationary vane and an arc connecting plate No. one, and arc connecting plate one side is through a fixed connection board fixed connection to the circumference internal surface of a side ring No. one, and an arc connecting plate opposite side is connected to slider through a swing joint board, and slider sets up with the circumference internal surface contact of a side ring No. one.
Further, the angle separating the first movable blade and the first fixed blade is 60 degrees.
Furthermore, the angle of the three first supporting assemblies at intervals is 60 degrees, and three first fixed blades in the inner surface of the circumference of the first side wheel are in one-to-one correspondence with the positions of the three separating blocks.
Furthermore, the combination of the three first arc-shaped connecting plates of the three first supporting assemblies can form a perfect circle.
Furthermore, three first sliding heads of three first supporting components are provided with two first fixing screw holes, and three second sliding heads of three second supporting components are provided with two second fixing screw holes.
Furthermore, the triangular frame is of an equilateral triangle structure, three corners of the triangular frame correspond to three first sliding heads one by one respectively, each corner of the triangular frame is provided with two stud bolts corresponding to two second fixing screw holes, and the three first sliding heads are connected to the three second sliding heads through the stud bolts respectively to realize connection among the first side ring, the second side ring and the triangular frame.
Furthermore, the first fixed blade, the first movable blade, the second fixed blade and the second movable blade are all made of spring steel.
Compared with the prior art, the large-angle flexible supporting device has the following advantages:
(1) the large-angle flexible supporting device provided by the invention utilizes the characteristics of the bending mechanism and combines the flexible supporting principle, is mainly used for space application of aerospace products, can effectively overcome the defect that the traditional rotary support, such as a ball bearing and the like, needs lubrication, and simultaneously utilizes the multi-blade bending structure to replace the action of bearing balls in a certain angle range to form the flexible supporting device with low friction coefficient and high supporting rigidity.
(2) According to the large-angle flexible supporting device, the design principle of the bending mechanism is adopted, and the design of uniformly distributing a plurality of movable blades is added, so that the working range, namely the rotating angle, of the bending mechanism is greatly increased, the defect that the bending angle is small when the original bending mechanism is designed is overcome, the bending mechanism is innovatively applied to the design of the rotary supporting mechanism, the characteristic of the changeability of the bending mechanism is utilized, the local vibration reduction performance is provided, and the rotary positioning precision of the device is improved.
(3) The large-angle flexible supporting device can replace the conventional rotating supporting devices such as the original ball bearing and the like, and the novel device has a certain energy storage effect, so that on one hand, the rotating output torque of the device can be linearly output, and the phenomenon of jumping of the device is avoided during operation; on the other hand, the novel device has the characteristic of storing elastic potential energy, the initial position of the device can be kept unchanged, the device is always kept at a certain fixed position, and high positioning precision is provided.
(4) According to the large-angle flexible supporting device, the spring steel blades are uniformly distributed, so that the interior of the whole structure is in a hollow shape.
(5) When the large-angle flexible supporting device works, the first side ring and the second side ring perform relative rotary motion, so that the movable blades are driven to approach to the immovable blades, the axial rotary rigidity of the device is gradually increased in the range of the rotatable motion of the device, and the safety of the device in use is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a large-angle flexible supporting device according to an embodiment of the present invention;
FIG. 2 is an exploded view of a wide angle flexible support device according to an embodiment of the present invention;
fig. 3 is a schematic view of a working state of the large-angle flexible supporting device according to the embodiment of the present invention.
Description of reference numerals:
11. side ring number one; 111. an arc-shaped groove; 112. a separation block; 12. side loop II; 13. a triangular frame; 131. a stud bolt; 14. a first support assembly; 141. a first sliding head; 142. a first movable leaf; 143. a first fixed blade; 144. a first arc-shaped connecting plate; 145. a first fixing screw hole; 15. support assembly No. two.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The utility model provides a flexible strutting arrangement of wide-angle, includes side ring 11, No. two side rings 12 and triangular frame 13, and No. one 11 circumference internal surfaces of side ring are equipped with three supporting component 14 No. one, and No. two 12 circumference internal surfaces of side ring are equipped with three supporting component 15 No. two, and a slider 141 of three supporting component 14 is connected to No. two sliders of three supporting component 15 No. two through triangular frame 13, realizes the connection between a side ring 11 and No. two side rings 12.
The first side ring 11 and the second side ring 12 are identical in structure, three arc-shaped grooves 111 are formed in the outer circumferential surfaces of the first side ring 11 and the second side ring 12, three separating blocks 112 are formed between the three arc-shaped grooves 111, the three separating blocks 112 are spaced at intervals of 120 degrees, and the arc-shaped grooves 111 are arranged so that the first side ring 11 and the second side ring 12 are integrally higher in rigidity.
The first support component 14 and the second support component 15 have the same structure, the first support component 14 comprises a first sliding head 141, a first movable blade 142, a first fixed blade 143 and a first arc-shaped connecting plate 144, one side of the first arc-shaped connecting plate 144 is fixedly connected to the inner circumferential surface of the first side ring 11 through the first fixed connecting plate, the other side of the first arc-shaped connecting plate 144 is connected to the first sliding head 141 through the first movable connecting plate, the first sliding head 141 is in contact with the inner circumferential surface of the first side ring 11, the contact surface of the first sliding head 141 and the inner circumferential surface of the first side ring 11 is matched, the first support component is of an arc-shaped structure, the sliding surface of the inner circumferential surface is polished by adopting a grinding process, the smoothness of the contact surface is ensured, and the friction coefficient is reduced, and, in order to ensure a good support characteristic, the contact surface contacting the sliding head 105 is designed with a large abutting surface, the position of the first sliding head 141 can be changed in the first side ring 11 more conveniently.
The angle that a movable blade 142 and a fixed blade 143 were separated by is 60, three group's supporting component 14 includes a three movable blade 142 and a three fixed blade 143, foretell movable blade and fixed blade two liang are separated by 60, even distribution is at the circumference internal surface of a side ring 11, the structure is more symmetrical, adopt spring steel blade equipartition design, make the inside fretwork shape that is of overall structure, this kind of design can be fine when the device high speed operation, effectively dispel the heat, do benefit to the clearance of its fretwork simultaneously, observe whether its inner structure normally works.
The angle between every two three first supporting assemblies 14 is 60 degrees, and three first fixed blades 143 in the inner surface of the circumference of the first side wheel are respectively in one-to-one correspondence with the positions of the three separating blocks 112.
The combination of the three first arc-shaped connecting plates 144 of the three first supporting assemblies 14 can form a perfect circle, in the initial state, the three first arc-shaped connecting plates 144 are separated from each other, in the working state, the three first arc-shaped connecting plates 144 gradually get close to the center, and finally the three first arc-shaped connecting plates 144 are in the closed state.
Three first sliding head 141 of three first supporting component 14 all is equipped with two fixed screw holes 145 No. one, and three second sliding head of three second supporting component 15 all is equipped with two fixed screw holes No. two, sets up fixed screw hole 145 and two fixed screw holes No. two, is when carrying out fixed connection for through stud 131, increases the stability of integrated device.
The triangular frame 13 is in an equilateral triangle structure, three corners of the triangular frame 13 correspond to three first sliding heads 141 one by one, each corner of the triangular frame 13 is provided with two stud bolts 131 corresponding to two second fixing screw holes, and the three first sliding heads 141 are connected to three second sliding heads through the stud bolts 131 respectively to realize connection among the first side ring 11, the second side ring 12 and the triangular frame 13.
The first fixed blade 143, the first movable blade 142, the second fixed blade and the second movable blade are all made of spring steel, and the material of the spring steel has certain flexibility and energy storage effect, so that on one hand, the rotary output torque of the device can be linearly output, and the phenomenon of jumping of the device is avoided during operation; on the other hand, the novel device has the characteristic of storing elastic potential energy, the initial position of the device can be kept unchanged, the device is always kept at a certain fixed position, and high positioning precision is provided.
A large-angle flexible supporting device is based on the working principle that when the large-angle flexible supporting device is used for operation, a first side ring 11 is connected with an external fixed support, and a second side ring 12 is connected with a supporting product. When supporting product rotary motion, drive a side ring 11, No. two side rings 12 and carry out relative rotary motion to make movable blade be close to fixed blade, fixed blade promotes three arc connecting plate 144 and draws close to the center at this in-process, and the gap between three arc connecting plate 144 diminishes gradually. When the gap spacing is zero, the maximum rotational angular position of the device is reached.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A wide-angle flexible supporting device is characterized in that: including a side ring, No. two side rings and triangle frame, a side ring circumference internal surface is equipped with three supporting component No. one, and No. two side ring circumference internal surfaces are equipped with three supporting component No. two, and a sliding head of three supporting component is connected to No. two sliding heads of three No. two supporting component through triangle frame, realizes the connection between a side ring and No. two side rings.
2. The high angle flexible support device of claim 1, wherein: the first side ring and the second side ring are identical in structure, three arc-shaped grooves are formed in the outer circumferential surfaces of the first side ring and the second side ring, three separating blocks are formed between the three arc-shaped grooves, and the three separating blocks are spaced by 120 degrees in pairs.
3. The high angle flexible support device of claim 1, wherein: a supporting component is the same with the supporting component structure No. two, and a supporting component includes slider, movable blade, stationary vane and arc connecting plate No. one, and arc connecting plate one side is connected to the circumference internal surface of side ring No. one through fixed connection board fixed connection, and arc connecting plate opposite side is connected to slider through a movable connection board, and slider sets up with the circumference internal surface contact of side ring No. one.
4. The high angle flexible support device of claim 3, wherein: the angle between the first movable blade and the first fixed blade is 60 degrees.
5. The high angle flexible support device of claim 3, wherein: the angle between every two of the three first supporting assemblies is 60 degrees, and three first fixed blades in the inner surface of the circumference of the first side wheel are in one-to-one correspondence with the positions of the three separating blocks.
6. The high angle flexible support device of claim 3, wherein: the combination of the three first arc-shaped connecting plates of the three first supporting assemblies can form a perfect circle.
7. The high angle flexible support device of claim 3, wherein: three first sliding head of three first supporting component all is equipped with two fixed screw, and three No. two sliding head of three No. two supporting components all is equipped with two fixed screw.
8. The high angle flexible support device of claim 1, wherein: the triangular frame is of an equilateral triangle structure, three corners of the triangular frame correspond to three first sliding heads one by one respectively, each corner of the triangular frame is provided with two stud bolts corresponding to two second fixing screw holes, and the three first sliding heads are connected to the three second sliding heads through the stud bolts respectively to achieve connection among the first side ring, the second side ring and the triangular frame.
9. The high angle flexible support device of claim 1, wherein: the first fixed blade, the first movable blade, the second fixed blade and the second movable blade are all made of spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011225481.8A CN112460447A (en) | 2020-11-05 | 2020-11-05 | Large-angle flexible supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011225481.8A CN112460447A (en) | 2020-11-05 | 2020-11-05 | Large-angle flexible supporting device |
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| Publication Number | Publication Date |
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| CN112460447A true CN112460447A (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011225481.8A Pending CN112460447A (en) | 2020-11-05 | 2020-11-05 | Large-angle flexible supporting device |
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| CN (1) | CN112460447A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112596198A (en) * | 2020-12-28 | 2021-04-02 | 中国科学院长春光学精密机械与物理研究所 | Curvature error adjusting device and method for large-diameter spliced reflector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267363B1 (en) * | 1998-07-20 | 2001-07-31 | Csem Centre Suisse D'electronique Et De Microtechnique Sa | Flexible pivot with internal pivoting axis |
| US20100296862A1 (en) * | 2009-05-19 | 2010-11-25 | Thales | Through-Pivot with Flexible Elements and Spacecraft Comprising Such a Pivot |
| CN103629229A (en) * | 2013-11-18 | 2014-03-12 | 华南理工大学 | Large-flexibility rotary hinge with annularly and uniformly distributed semi-ring sheets |
| CN106224480A (en) * | 2016-08-08 | 2016-12-14 | 太原理工大学 | A kind of big stroke flexible rotating based on four-bar mechanism cuts with scissors |
| US20180319517A1 (en) * | 2015-11-06 | 2018-11-08 | Almatech Sa | Large angle flexible pivot |
| US20190120287A1 (en) * | 2017-10-24 | 2019-04-25 | Csem Centre Suisse D'electronique Et De Microtechnique Sa - Recherche Et Developpement | Pivot mechanism with flexible elements for large-amplitude rotation guiding and pivot assembly comprising a plurality of said pivot mechanism |
-
2020
- 2020-11-05 CN CN202011225481.8A patent/CN112460447A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267363B1 (en) * | 1998-07-20 | 2001-07-31 | Csem Centre Suisse D'electronique Et De Microtechnique Sa | Flexible pivot with internal pivoting axis |
| US20100296862A1 (en) * | 2009-05-19 | 2010-11-25 | Thales | Through-Pivot with Flexible Elements and Spacecraft Comprising Such a Pivot |
| CN103629229A (en) * | 2013-11-18 | 2014-03-12 | 华南理工大学 | Large-flexibility rotary hinge with annularly and uniformly distributed semi-ring sheets |
| US20180319517A1 (en) * | 2015-11-06 | 2018-11-08 | Almatech Sa | Large angle flexible pivot |
| CN106224480A (en) * | 2016-08-08 | 2016-12-14 | 太原理工大学 | A kind of big stroke flexible rotating based on four-bar mechanism cuts with scissors |
| US20190120287A1 (en) * | 2017-10-24 | 2019-04-25 | Csem Centre Suisse D'electronique Et De Microtechnique Sa - Recherche Et Developpement | Pivot mechanism with flexible elements for large-amplitude rotation guiding and pivot assembly comprising a plurality of said pivot mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112596198A (en) * | 2020-12-28 | 2021-04-02 | 中国科学院长春光学精密机械与物理研究所 | Curvature error adjusting device and method for large-diameter spliced reflector |
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