CN108943004A - A kind of space multiple degrees of freedom flexural pivot joint and its support device - Google Patents
A kind of space multiple degrees of freedom flexural pivot joint and its support device Download PDFInfo
- Publication number
- CN108943004A CN108943004A CN201810607198.8A CN201810607198A CN108943004A CN 108943004 A CN108943004 A CN 108943004A CN 201810607198 A CN201810607198 A CN 201810607198A CN 108943004 A CN108943004 A CN 108943004A
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- CN
- China
- Prior art keywords
- ball hinge
- preceding ball
- flexural pivot
- pivot joint
- freedom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J17/00—Joints
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The present invention provides a kind of space multiple degrees of freedom flexural pivot joint and its support devices.Preceding ball hinge (2) adds cutter or installation part to be connected by flange or other structures with by test model or machine, and preceding ball hinge (2) is cooperated on connected and rear ball hinge (3) by preceding ball hinge lid (4);In order to realize the multivariant variation in ball hinged supporting space, the space random angle variation of the two is driven with pitching driving mechanism (5), yaw drive mechanism (6) and the anti-rotation mechanism for wind of vibration proof (7) between preceding ball hinge (2) and rear ball hinge (3).Due to the limitation of flexural pivot angle change, in space when any wide-angle variations, the multiple groups that can connect ball hinged supporting device (1) is realized.
Description
Technical field
The present invention relates to fluid conveying ball hinged supporting engineering device technique fields, and in particular to a kind of space multiple degrees of freedom flexural pivot pass
Section and its support device.
Background technique
Aircraft, automobile, engine, sensor, submarine, ship are blown in wind-tunnel, container, water hole and environmental test
The equipment of wind test is a closed loop or open loop access, bears positive pressure and negative pressure, and section is round/ellipse or polygon
Shape, the section tested are placed on inside test section, and test section is mostly polygonized structure, open rectangle door in side, convenient
The replacement of testpieces.When carrying out spatial attitude test, test section removes or opens test section door, and space multiple degrees of freedom is flat
Ball hinged supporting place on the fixed support siding of test section or bracket, and by testpieces and mating vent line and support device phase
It connects, realizes the performance test of aircraft, automobile, engine, sensor, submarine, ship etc..
It is realized in processing or installation, fire-fighting and engineering machinery in mechanical arm, passes through processed or installation part spatial attitude
The processing or installation of any position are realized in variation, and carry out cooling work piece, processing stage property, in real time cleaning by fluid conveying
Work piece/installation part sundries, fire-fighting domain trandfer fluid carry out fire-fighting fire extinguishing, and such as coagulation pump truck conveys coagulation in engineering machinery
Soil etc..
The country is in wind-tunnel, container, water hole and environmental test, machining or installation, engineering machinery and fire-fighting space-time at present
Between attitude angle test and ventilation mainly by relatively independent planar motion mechanism and facade movement mechanism combination realize space
The test at angle, ventilatory function are carried out by other pipelines, this causes to realize that spatial attitude angle can only be in the pitch angle in plane
Variation is to realize, there are discontinuity zones for Space Angle, and corresponding redundancy pipeline increases air-flow/fluid flow obstructions ratio and space row
Cloth;And multiple degrees of freedom flat ball hinged supporting in space overcomes well and solves this problem.
Summary of the invention
Present invention aims at: it is logical that a kind of space multiple degrees of freedom is devised for deficiency present in above-mentioned existing apparatus
Gas/liquid ball hinged supporting device, the purpose is to make the support device have the logical gas/liquid of pressure and load, load to lead to gas/liquid or without pressure shape
Spatial attitude variation under state.Any variation of 360 ° of space position is realized by multiple logical gas/liquid ball hinged supporting series connection.
Technical solution:
Purpose to realize the present invention, the present invention provides a kind of space multiple degrees of freedom flexural pivot joint, including preceding ball hinge, after
Ball hinge and the capping of preceding ball hinge;
Preceding ball hinge and rear ball hinge are the hollow structure of both ends open, and one end of preceding ball hinge forms Internal Spherical Surface and opens
Mouthful, and Internal Spherical Surface opening aperture is hemisphere, open end internal diameter is Internal Spherical Surface diameter, and the other end of preceding ball hinge forms snorkel
Interface;
One end of ball hinge forms spherical outside surface opening afterwards, and the inner end diameter of spherical outside surface opening is less than spherical outside surface diameter, after
The other end of ball hinge forms ventilation interface tube;
Preceding ball hinge capping is annular element, and one side end face of annular element is spherical cambered surface, and end face opening inside diameter is spherical cambered surface
Diameter;
The Internal Spherical Surface of preceding ball hinge is from preceding square set on the spherical outside surface of rear ball hinge, and preceding ball hinge capping is from rear square set rear
On the spherical outside surface of ball hinge;And the Internal Spherical Surface of preceding ball hinge is identical as the radius of spherical cambered surface of preceding ball hinge capping set, preceding flexural pivot
Seat is fixedly connected with the capping of preceding ball hinge;Preceding ball hinge and the capping of preceding ball hinge just encase rear ball hinge;
The Internal Spherical Surface of preceding ball hinge is adapted simultaneously with the spherical outside surface of rear ball hinge with the spherical cambered surface of preceding ball hinge capping set
Formation is slidingly sealed;
Preceding ball hinge and preceding ball hinge cover relative to rear ball hinge can space multiple degrees of freedom rotate, and preceding ball hinge with
The hollow structure connection of ball hinge afterwards.
Further, sealing ring is provided between the Internal Spherical Surface and spherical outside surface.
Further, preceding ball hinge is covered with preceding ball hinge and is fixedly connected by fastener.
Further, at least one is set between the preceding ball hinge and rear ball hinge and makees moving cell, ball hinge before realizing
Cover rotation relative to rear ball hinge with preceding ball hinge, make moving cell both ends pass through before universal joint is linked to respectively ball hinge with
Ball hinge afterwards.
It is furthermore preferred that three are arranged between the preceding ball hinge and rear ball hinge makees moving cell, three are made moving cell with after
The link position of ball hinge is spaced from each other at least 1/4 circular arc, and two of them make moving cell and the link position of preceding ball hinge is leaned on
Together, so that two of them are not at parastate as moving cell.
Above-mentioned three make moving cell as pitching driving mechanism, yaw drive mechanism and the anti-rotation mechanism for wind of vibration proof to drive
Both dynamic space random angle variation
Invention further provides a kind of ventilatory support devices with space multiple degrees of freedom flexural pivot joint, including at least
One space multiple degrees of freedom ventilation flexural pivot joint and ventilatory support seat;It is described to the end logical from first ventilation flexural pivot joint
Balloon hinge passes sequentially through snorkel orifice between joint;
Ventilatory support seat includes gas-guide tube and support base, and gas-guide tube is fixed on support base, gas-guide tube upper port and last
Another snorkel orifice in one space multiple degrees of freedom ventilation flexural pivot joint;First space multiple degrees of freedom ventilation flexural pivot closes
Another ventilation interface tube of section with Aviation Test model air intake duct end for being connected to.
Invention effect: structure is simple, realizes the fluid conveying of load, pose adjustment is convenient, high reliablity.
Detailed description of the invention
The attached drawing for constituting the application is used to provide further understanding of the present invention.
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is top view of the invention;
Fig. 3 is the enlarged drawing in space multiple degrees of freedom flexural pivot joint
Wherein: ball hinge capping, 4 gas-guide tubes, 5 Aviation Test model air intake ducts are last before ball hinge, 3 behind ball hinge, 2 before 1
Moving cell, 7 support bases, 8 sealing rings, 9 fasteners are made in end, 6.
Specific embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.
Specifically provide a kind of space multiple degrees of freedom flexural pivot joint, including preceding ball hinge, rear ball hinge and preceding ball hinge envelope
Lid;
Preceding ball hinge and rear ball hinge are the hollow structure of both ends open, and one end of preceding ball hinge forms Internal Spherical Surface and opens
Mouthful, and Internal Spherical Surface opening aperture is hemisphere, open end internal diameter is Internal Spherical Surface diameter, and the other end of preceding ball hinge forms snorkel
Interface;
One end of ball hinge forms spherical outside surface opening afterwards, and the inner end diameter of spherical outside surface opening is less than spherical outside surface diameter, after
The other end of ball hinge forms ventilation interface tube;
Preceding ball hinge capping is annular element, and one side end face of annular element is spherical cambered surface, and end face opening inside diameter is spherical cambered surface
Diameter;
The Internal Spherical Surface of preceding ball hinge is from preceding square set on the spherical outside surface of rear ball hinge, and preceding ball hinge capping is from rear square set rear
On the spherical outside surface of ball hinge;And the Internal Spherical Surface of preceding ball hinge is identical as the radius of spherical cambered surface of preceding ball hinge capping set, preceding flexural pivot
Seat is fixedly connected with the capping of preceding ball hinge;Preceding ball hinge and the capping of preceding ball hinge just encase rear ball hinge;
The Internal Spherical Surface of preceding ball hinge is adapted simultaneously with the spherical outside surface of rear ball hinge with the spherical cambered surface of preceding ball hinge capping set
Formation is slidingly sealed;
Preceding ball hinge and preceding ball hinge cover relative to rear ball hinge can space multiple degrees of freedom rotate, and preceding ball hinge with
The hollow structure connection of ball hinge afterwards.
Further, sealing ring is provided between the Internal Spherical Surface and spherical outside surface.
Further, preceding ball hinge is covered with preceding ball hinge and is fixedly connected by fastener.
Further, at least one is set between the preceding ball hinge and rear ball hinge and makees moving cell, ball hinge before realizing
Cover rotation relative to rear ball hinge with preceding ball hinge, make moving cell both ends pass through before universal joint is linked to respectively ball hinge with
Ball hinge afterwards.
It is furthermore preferred that three are arranged between the preceding ball hinge and rear ball hinge makees moving cell, three are made moving cell with after
The link position of ball hinge is spaced from each other at least 1/4 circular arc, and two of them make moving cell and the link position of preceding ball hinge is leaned on
Together, so that two of them are not at parastate as moving cell.
Above-mentioned three make moving cell as pitching driving mechanism, yaw drive mechanism and the anti-rotation mechanism for wind of vibration proof to drive
Both dynamic space random angle variation.
Invention further provides a kind of ventilatory support devices with space multiple degrees of freedom flexural pivot joint, including at least
One space multiple degrees of freedom ventilation flexural pivot joint and ventilatory support seat;It is described to the end logical from first ventilation flexural pivot joint
Balloon hinge passes sequentially through snorkel orifice between joint;
Ventilatory support seat includes gas-guide tube and support base, and gas-guide tube is fixed on support base, gas-guide tube upper port and last
Another snorkel orifice in one space multiple degrees of freedom ventilation flexural pivot joint;First space multiple degrees of freedom ventilation flexural pivot closes
Another ventilation interface tube of section with Aviation Test model air intake duct end for being connected to.
Claims (6)
1. a kind of space multiple degrees of freedom flexural pivot joint, including preceding ball hinge, rear ball hinge and the capping of preceding ball hinge;
Preceding ball hinge and rear ball hinge are the hollow structure of both ends open, and one end of preceding ball hinge forms Internal Spherical Surface opening, and
Internal Spherical Surface is open aperture as hemisphere, and open end internal diameter is Internal Spherical Surface diameter, and the other end of preceding ball hinge forms ventilation interface tube;
One end of ball hinge forms spherical outside surface opening afterwards, and the inner end diameter of spherical outside surface opening is less than spherical outside surface diameter, rear flexural pivot
The other end of seat forms ventilation interface tube;
Preceding ball hinge capping is annular element, and one side end face of annular element is spherical cambered surface, and end face opening inside diameter is spherical cambered surface diameter;
The Internal Spherical Surface of preceding ball hinge is from preceding square set on the spherical outside surface of rear ball hinge, and preceding ball hinge capping is from rear square set in rear flexural pivot
On the spherical outside surface of seat;And the radius of spherical cambered surface of the Internal Spherical Surface of preceding ball hinge and preceding ball hinge capping set is identical, preceding ball hinge with
Preceding ball hinge capping is fixedly connected;Preceding ball hinge and the capping of preceding ball hinge just encase rear ball hinge;
The Internal Spherical Surface of preceding ball hinge is adapted and is formed with the spherical outside surface of rear ball hinge with the spherical cambered surface of preceding ball hinge capping set
It is slidingly sealed;
Preceding ball hinge and preceding ball hinge cover relative to rear ball hinge can space multiple degrees of freedom rotate, and preceding ball hinge and rear ball
The hollow structure of free bearing is connected to.
2. a kind of space multiple degrees of freedom flexural pivot joint as described in claim 1, it is characterised in that: the Internal Spherical Surface and spherical outside surface
Between be provided with sealing ring.
3. a kind of space multiple degrees of freedom flexural pivot joint as described in claim 1, it is characterised in that: preceding ball hinge and preceding ball hinge
Capping is fixedly connected by fastener.
4. a kind of space multiple degrees of freedom flexural pivot joint as described in claim 1, it is characterised in that: the preceding ball hinge and rear ball
At least one is set between free bearing and makees moving cell, realizes that preceding ball hinge and preceding ball hinge cover the rotation relative to rear ball hinge,
Make moving cell both ends and pass through universal joint respectively to be linked to preceding ball hinge and rear ball hinge.
5. a kind of space multiple degrees of freedom flexural pivot joint as claimed in claim 4, it is characterised in that: the preceding ball hinge and rear ball
It is arranged three between free bearing and makees moving cell, three link positions for making moving cell and rear ball hinge is spaced from each other at least 1/4 circle
Arc, two of them make moving cell and the link position of preceding ball hinge is close together, so that two of them are not at as moving cell
Parastate.
6. a kind of ventilatory support device in the space multiple degrees of freedom flexural pivot joint with one of the claims 1-6, including extremely
The ventilation flexural pivot joint of space multiple degrees of freedom described in one few and ventilatory support seat;From first ventilation flexural pivot joint to most
Snorkel orifice is passed sequentially through between the ventilation flexural pivot joint afterwards;
Ventilatory support seat includes gas-guide tube and support base, and gas-guide tube is fixed on support base, gas-guide tube upper port and the last one
Another snorkel orifice in space multiple degrees of freedom ventilation flexural pivot joint;First space multiple degrees of freedom ventilation flexural pivot joint
Another ventilation interface tube with Aviation Test model air intake duct end for being connected to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810607198.8A CN108943004A (en) | 2018-06-13 | 2018-06-13 | A kind of space multiple degrees of freedom flexural pivot joint and its support device |
Applications Claiming Priority (1)
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---|---|---|---|
CN201810607198.8A CN108943004A (en) | 2018-06-13 | 2018-06-13 | A kind of space multiple degrees of freedom flexural pivot joint and its support device |
Publications (1)
Publication Number | Publication Date |
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CN108943004A true CN108943004A (en) | 2018-12-07 |
Family
ID=64488837
Family Applications (1)
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CN201810607198.8A Pending CN108943004A (en) | 2018-06-13 | 2018-06-13 | A kind of space multiple degrees of freedom flexural pivot joint and its support device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110075458A (en) * | 2019-05-22 | 2019-08-02 | 李良杰 | Can dynamic regulation fire extinguisher canvas hose |
CN114486168A (en) * | 2022-04-19 | 2022-05-13 | 中国空气动力研究与发展中心低速空气动力研究所 | Three-degree-of-freedom model flight test angle limiting device |
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GB2158535A (en) * | 1984-05-09 | 1985-11-13 | Gripper Inc | Ball and socket coupling-remote controlled |
US5383738A (en) * | 1992-02-24 | 1995-01-24 | Syron Engineering & Manufacturing Corp. | Ball jointed links |
JP2004092699A (en) * | 2002-08-29 | 2004-03-25 | Waterworks Technology Development Organization Co Ltd | Flexible pipe joint |
CN101576185A (en) * | 2009-05-27 | 2009-11-11 | 嘉利特荏原泵业有限公司 | Universal rotating fluid pipeline |
CN101641497A (en) * | 2006-12-12 | 2010-02-03 | 韦斯珀技术有限公司 | Linear-rotary motion conversion mechanism |
CN103753520A (en) * | 2014-01-17 | 2014-04-30 | 广州中国科学院先进技术研究所 | High-precision heavy-load hexapod parallel robot |
CN105221869A (en) * | 2014-06-15 | 2016-01-06 | 建湖永佳机械有限公司 | A kind of equalization type universal joint |
CN108661656A (en) * | 2018-05-31 | 2018-10-16 | 辽宁三三工业有限公司 | A kind of complete-section tunnel boring machine radial type filling adaptor |
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Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US4180285A (en) * | 1978-05-11 | 1979-12-25 | Reneau Bobby J | Articulated ball connector for use with pipeline |
GB2158535A (en) * | 1984-05-09 | 1985-11-13 | Gripper Inc | Ball and socket coupling-remote controlled |
US5383738A (en) * | 1992-02-24 | 1995-01-24 | Syron Engineering & Manufacturing Corp. | Ball jointed links |
JP2004092699A (en) * | 2002-08-29 | 2004-03-25 | Waterworks Technology Development Organization Co Ltd | Flexible pipe joint |
CN101641497A (en) * | 2006-12-12 | 2010-02-03 | 韦斯珀技术有限公司 | Linear-rotary motion conversion mechanism |
CN101576185A (en) * | 2009-05-27 | 2009-11-11 | 嘉利特荏原泵业有限公司 | Universal rotating fluid pipeline |
CN103753520A (en) * | 2014-01-17 | 2014-04-30 | 广州中国科学院先进技术研究所 | High-precision heavy-load hexapod parallel robot |
CN105221869A (en) * | 2014-06-15 | 2016-01-06 | 建湖永佳机械有限公司 | A kind of equalization type universal joint |
CN108661656A (en) * | 2018-05-31 | 2018-10-16 | 辽宁三三工业有限公司 | A kind of complete-section tunnel boring machine radial type filling adaptor |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110075458A (en) * | 2019-05-22 | 2019-08-02 | 李良杰 | Can dynamic regulation fire extinguisher canvas hose |
CN114486168A (en) * | 2022-04-19 | 2022-05-13 | 中国空气动力研究与发展中心低速空气动力研究所 | Three-degree-of-freedom model flight test angle limiting device |
CN114486168B (en) * | 2022-04-19 | 2022-06-17 | 中国空气动力研究与发展中心低速空气动力研究所 | Three-degree-of-freedom model flight test angle limiting device |
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PB01 | Publication | ||
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RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |