CN109944869A - Adapt to the heavy caliber bellows universal joint integral component of vacuum deformation - Google Patents
Adapt to the heavy caliber bellows universal joint integral component of vacuum deformation Download PDFInfo
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- CN109944869A CN109944869A CN201910227267.7A CN201910227267A CN109944869A CN 109944869 A CN109944869 A CN 109944869A CN 201910227267 A CN201910227267 A CN 201910227267A CN 109944869 A CN109944869 A CN 109944869A
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- bellows
- heavy caliber
- universal joint
- support
- support frame
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Abstract
The present invention discloses a kind of heavy caliber bellows universal joint integral component, including heavy caliber bellows, support frame, pin shaft and support ring, connection bolt, the heavy caliber bellows is welded by two flanges with thin-walled hydraulic-formed bellows, two flanges are respectively welded at the both ends of bellows, two of them flange is connect by the way of interior external welding with corrugated tube end, inside be sealing welding to guarantee to vacuumize when vacuum leakproofness, outside be discontinuous welding to guarantee enough bonding strengths.The present invention is for solving in large space environment comprehensive simulation test, and the direction for irradiating line is accurate, and guarantee test index plays a significant role.
Description
Technical field
The invention belongs to spatial synthesis environmental-test facility technical fields, specifically, the present invention relates to a kind of use
In the equipment for the heavy caliber bellows universal joint for adapting to vacuum deformation.
Background technique
Spacecraft needs to carry out before transmission reliability of the sufficient space environment test to verify spacecraft.Space is comprehensive
It closes environmental simulation and carries out mould mainly for the vacuum in space environment, heat sink, high/low temperature/thermal cycle, charged particle radiation environment
It is quasi-, realize material, device and all kinds of space environment effect researchs of system-level parts.
Currently, mature space environment simulation equipment can be realized in a vacuum tank vacuum, heat sink, high/low temperature/
The simulation of the space environments such as thermal cycle then needs to build a set of if necessary to realize the simulation of universe charged particle radiation environment
Line pipeline connect to generate universe charged particle line, then by line pipeline with vacuum tank, by universe charged particle line
It imports inside vacuum tank, to obtain the spatial synthesis environment such as vacuum, heat sink, high/low temperature/thermal cycle, charged particle irradiation.
But the connection of line pipeline and container is but more difficult, because it is vacuum state that vacuum tank is internal at work, in outside
Under atmospheric pressure effect, container can generate certain deformation, and this requires the junctions of line pipeline and container to be required to fit
This deformation is answered, the stress for otherwise easily causing junction is excessive and leads to vacuum leak.
For this purpose, the equipment that a kind of heavy caliber bellows universal joint for adapting to vacuum deformation is highly desirable in reality, with can be real
The flexible connection of existing line pipeline and vacuum tank, the component are able to bear pressure axial when vacuumizing, while can be adaptive
Distortion of vessel when should vacuumize solves the problems, such as that heavy-caliber pipeline is connect with vacuum tank.
Summary of the invention
The purpose of the present invention is to provide it is a kind of connect for heavy-caliber pipeline with vacuum tank when required bellows ten thousand
To section integral component, which is able to bear when vacuumizing axial pressure, while container when can adaptively vacuumize
Deformation.
Object of the present invention is to what is be achieved through the following technical solutions:
Heavy caliber bellows universal joint integral component, including heavy caliber bellows, support frame, pin shaft and support ring, company
Connecting bolt, the heavy caliber bellows are welded by two flanges with thin-walled hydraulic-formed bellows, and two flanges are respectively welded at
The both ends of bellows, two of them flange are connect by the way of interior external welding with corrugated tube end, inside be sealing welding with
Guarantee vacuum leakproofness when vacuumizing, outside is discontinuous welding to guarantee enough bonding strengths.
Further, the end face outside of two flanges is sealing surface, is connect respectively with line pipeline, vacuum tank；Support
Frame is welded by flanged joint ring and two support otic placodes, has threaded hole on flanged joint ring, support frame and flange (are welded
Connect the flange in bellows two sides) fixation is bolted.
Further, supporting on otic placode has pin hole, is connect with the pin hole in support ring by pin shaft, is connect with support ring
Afterwards, support frame can be around the two pin shaft axially bored line supported on otic placode rotations.
Wherein, support ring is a circular ring structure, and cover has 4 pin shaft holes on the outer ring of bellows, support ring.
Further, two support frame intersecting vertical arrangements, one of support hinged by four pin shafts and support ring
Frame connect with a pair of of support ring pin shaft hole, then the support frame can rotate around the axis of a pair of of pin shaft hole, another support frame with separately
A pair of of support ring pin shaft hole connection, then the support frame can be rotated around the axis of another pair pin shaft hole, in this way, two support frames and branch
Pushing out ring constitutes the component of a universal joint with both direction rotating function, this cardan universal joint component is connected by bracing frame flange
The flanged joint of ring Yu bellows both ends is connect, can not only be played a supporting role in the axial direction to heavy caliber bellows, but also has two
The rotational freedom in a direction adapts to the local inclination deformation of the line pipeline and vacuum tank of two sides connection when vacuumizing.
Preferably, the wall thickness of hydraulic-formed bellows is 0.8mm-1.5mm.
Preferably, support frame and the wall thickness of support ring are 15mm-20mm.
Preferably, the latus rectum of heavy caliber bellows universal joint integral component is 1000mm-1500mm.
The latus rectum maximum of heavy caliber bellows universal joint integral component of the invention is up to 1500mm；And side there are two having
To rotational freedom, be adapted to the relative deformation when vacuumizing of line pipeline and vacuum tank of two sides connection.For
It solves in large space environment comprehensive simulation test, the direction for irradiating line is accurate, and guarantee test index plays a significant role.This
Outside, this structure is for guaranteeing that the axial direction docking property of large-scale pipeline has positive effect in engineering.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the heavy caliber bellows universal joint integral component of an embodiment of the present invention.
Wherein, 1- heavy caliber bellows；2- support frame；3- pin shaft；4- support ring.
Fig. 1-1 is the C direction view of Large diameter bellows universal joint integral component of the present invention.
Fig. 2 is the schematic cross-section of the bellows in the present invention.
Wherein, 11- flange；12- hydraulic-formed bellows.
Fig. 2-1 is the partial enlargement A view that flange is connect with bellows in the present invention.
Fig. 3 is the schematic cross-section of the support frame in the present invention.
Fig. 3-1 is the B of support frame in the present invention to cross-sectional view.
Fig. 4 is the schematic cross-section of the support ring in the present invention.
Fig. 4-1 is the D of support ring in the present invention to cross-sectional view.
Specific embodiment:
Introduced below is the specific embodiment as the content of present invention, below by specific embodiment to the present invention
Content work further illustrates.Certainly, description following detailed description is only the content of example different aspect of the invention, and
It should not be construed as limiting the invention range.
It is heavy caliber bellows universal joint integral component structural schematic diagram of the invention referring to Fig. 1, Fig. 1.Wherein, this is big
Bore bellows universal joint integral component, including heavy caliber bellows 1, support frame 2, pin shaft 3, support ring 4.Fig. 1-1 is this
The C direction view of invention Large diameter bellows universal joint integral component.Wherein, support ring is a circular ring structure, is covered in ripple
There are 4 pin shaft holes in the outer ring of pipe in support ring.
Referring to fig. 2, Fig. 2 shows the schematic cross-section of the bellows in the present invention, wherein heavy caliber bellows 1 is by two
A flange 11 is welded with thin-walled hydraulic-formed bellows 12, and the end face outsides of two flanges 11 is sealing surface, is respectively used to and beam
Flow tube line is connected with vacuum tank, and the maximum diameter size of heavy caliber bellows is up to 1500mm.Referring to fig. 2-1, Fig. 2-1 is this
The partial enlargement A view that flange is connect with bellows in invention, wherein two flanges and corrugated tube end are using interior external welding
Mode connects, inside be sealing welding to guarantee to vacuumize when vacuum leakproofness, outside be discontinuous welding to guarantee enough companies
Connect intensity.
Referring to Fig. 3,3-1,4,4-1, Fig. 3 show the schematic cross-section of the support frame in the present invention.Fig. 3-1 is the present invention
The B of middle support frame is to cross-sectional view.Fig. 4 shows the schematic cross-section of the support ring in the present invention.Fig. 4-1 is to support in the present invention
The D of ring is to cross-sectional view.Wherein, between two flanges 11, the outside of thin-walled hydraulic-formed bellows 12, intersect two support frames of installation
2, support frame 2 crosses four pin shafts 3 and support ring 4 is hinged, constitutes a universal joint.Universal joint passes through support frame 2 and heavy caliber wave
Two flanges 11 of line pipe 1 connect, and the supporting role on axial to heavy caliber bellows 1 are played when vacuumizing, and there are two tools
The rotational freedom in direction is adapted to the bending deformation of heavy caliber bellows 1.
To make thin-walled hydraulic-formed bellows have enough flexibilities, when deformation, will not generate excessive bending stress, in addition for
Make support frame and support ring weight as far as possible light axially can support bellows while, using finite element method to ripple
The structure of thickness of pipe wall, back-up environment and support ring carries out force analysis.Establish the bellows universal joint one of Different structural parameters
Change the geometrical model of component and carry out grid dividing, its mechanical property parameters is obtained by simulation calculation and using finite element method
The structural parameters of bellows wall thickness, back-up environment and support ring are optimized, finally determining bellows universal joint one
Body modular construction parameter is as follows: the wall thickness of hydraulic-formed bellows be 0.8mm-1.5mm, support frame, support ring wall thickness be 15mm-
20mm, the latus rectum of heavy caliber bellows universal joint integral component are 1000mm-1500mm.
Although giving detailed description and explanation to specific implementation of the patent mode above, it should be noted that
We can carry out various equivalent changes and modification to above embodiment according to the conception of this patent, and generated function is made
It, should all be within the protection scope of this patent when with the spirit still covered without departing from specification and attached drawing.
Claims (8)
1. heavy caliber bellows universal joint integral component, including heavy caliber bellows, support frame, pin shaft and support ring, connection
Bolt, the heavy caliber bellows are welded by two flanges with thin-walled hydraulic-formed bellows, and two flanges are respectively welded at wave
The both ends of line pipe, wherein two flanges are connect by the way of interior external welding with corrugated tube end, and inside is sealing welding to protect
Vacuum leakproofness when card vacuumizes, outside are discontinuous welding to guarantee enough bonding strengths.
2. heavy caliber bellows universal joint integral component as described in claim 1, wherein the end face outside of two flanges is
Sealing surface is connect with line pipeline, vacuum tank respectively；Support frame is welded by flanged joint ring and two support otic placodes,
There is threaded hole on flanged joint ring, support frame and flange (being welded on the flange of bellows two sides) is bolted solid
It is fixed.
3. heavy caliber bellows universal joint integral component as claimed in claim 2, wherein there is pin hole on support otic placode, with
Pin hole in support ring is connected by pin shaft, after being connect with support ring, pin shaft axially bored line of the support frame on two support otic placodes
Rotation.
4. heavy caliber bellows universal joint integral component as described in claim 1, wherein support ring is a circular ring structure,
Cover has 4 pin shaft holes on the outer ring of bellows, support ring.
5. heavy caliber bellows universal joint integral component as described in claim 1, wherein two support frame intersecting vertical cloth
It sets, hinged by four pin shafts and support ring, one of support frame is connect with a pair of of support ring pin shaft hole, then the support frame can
Axis around a pair of of pin shaft hole rotates, another support frame is connect with another pair support ring pin shaft hole, then the support frame can be around another
The axis of a pair of of pin shaft hole rotates, in this way, two support frames and support ring constitute ten thousand with both direction rotating function
To the component of section, this cardan universal joint component passes through the flanged joint of bracing frame flange connection ring and bellows both ends, both can be
It plays a supporting role on axial to heavy caliber bellows, and the rotational freedom with both direction, adapts to the beam of two sides connection
The local inclination deformation of flow tube line and vacuum tank when vacuumizing.
6. heavy caliber bellows universal joint integral component as described in claim 1, wherein the wall thickness of heavy caliber bellows is
0.8mm-1.5mm。
7. heavy caliber bellows universal joint integral component as described in claim 1, wherein the wall thickness of support frame and support ring
For 15mm-20mm.
8. heavy caliber bellows universal joint integral component as described in claim 1, wherein heavy caliber bellows universal joint one
The latus rectum of body component is 1000mm-1500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227267.7A CN109944869A (en) | 2019-03-25 | 2019-03-25 | Adapt to the heavy caliber bellows universal joint integral component of vacuum deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227267.7A CN109944869A (en) | 2019-03-25 | 2019-03-25 | Adapt to the heavy caliber bellows universal joint integral component of vacuum deformation |
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| CN109944869A true CN109944869A (en) | 2019-06-28 |
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| CN201910227267.7A Pending CN109944869A (en) | 2019-03-25 | 2019-03-25 | Adapt to the heavy caliber bellows universal joint integral component of vacuum deformation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116861745A (en) * | 2023-07-11 | 2023-10-10 | 辽宁工业大学 | Non-uniform wall thickness corrugated pipe index thinning calculation model under displacement load effect |
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| JP2001263563A (en) * | 2000-03-22 | 2001-09-26 | Toshiba Corp | Expansion joint |
| CN101520814A (en) * | 2009-04-13 | 2009-09-02 | 清华大学 | Method for equivalence hinged corrugated pipe by coupled variable cross-section beam |
| CN201739695U (en) * | 2010-04-30 | 2011-02-09 | 中国科学院等离子体物理研究所 | Low-temperature superconducting transmission pipeline compensator |
| CN104607766A (en) * | 2015-01-27 | 2015-05-13 | 招商局重工（江苏）有限公司 | Welding device capable of double-side automatic welding for pipe and flange |
| CN104696659A (en) * | 2013-12-07 | 2015-06-10 | 太原航空仪表有限公司 | Bellows joint |
| CN107228249A (en) * | 2017-05-17 | 2017-10-03 | 洛阳双瑞特种装备有限公司 | It is a kind of to prevent the hinge type expansion joint of material abrasion bellows |
| CN108180087A (en) * | 2017-12-28 | 2018-06-19 | 西安航天动力研究所 | A kind of pump after-burning feeding swing device for holding high pressure |
-
2019
- 2019-03-25 CN CN201910227267.7A patent/CN109944869A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001263563A (en) * | 2000-03-22 | 2001-09-26 | Toshiba Corp | Expansion joint |
| CN101520814A (en) * | 2009-04-13 | 2009-09-02 | 清华大学 | Method for equivalence hinged corrugated pipe by coupled variable cross-section beam |
| CN201739695U (en) * | 2010-04-30 | 2011-02-09 | 中国科学院等离子体物理研究所 | Low-temperature superconducting transmission pipeline compensator |
| CN104696659A (en) * | 2013-12-07 | 2015-06-10 | 太原航空仪表有限公司 | Bellows joint |
| CN104607766A (en) * | 2015-01-27 | 2015-05-13 | 招商局重工（江苏）有限公司 | Welding device capable of double-side automatic welding for pipe and flange |
| CN107228249A (en) * | 2017-05-17 | 2017-10-03 | 洛阳双瑞特种装备有限公司 | It is a kind of to prevent the hinge type expansion joint of material abrasion bellows |
| CN108180087A (en) * | 2017-12-28 | 2018-06-19 | 西安航天动力研究所 | A kind of pump after-burning feeding swing device for holding high pressure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116861745A (en) * | 2023-07-11 | 2023-10-10 | 辽宁工业大学 | Non-uniform wall thickness corrugated pipe index thinning calculation model under displacement load effect |
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Application publication date: 20190628 |