CN107807000B - Horizontal vacuum shell with tilted conical joint pipe structure - Google Patents
Horizontal vacuum shell with tilted conical joint pipe structure Download PDFInfo
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- CN107807000B CN107807000B CN201610855158.6A CN201610855158A CN107807000B CN 107807000 B CN107807000 B CN 107807000B CN 201610855158 A CN201610855158 A CN 201610855158A CN 107807000 B CN107807000 B CN 107807000B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
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Abstract
The invention discloses a kind of for the horizontal vacuum shell with tilted conical joint pipe structure, cylinder side is obliquely installed optics oblique cone cylinder, wherein, the cone-apex angle of optics oblique cone cylinder is β angle, its range is at 0 °~45 °, end diameter is Φ 420mm, oblique cone cylinder central axis and main cylinder centerlines are off-axis angle α angle, and intersect coplanar, wherein 30 °~90 ° of α angular range, it is three-dimensional space curve that tilted conical adapter tube, which cuts with cylinder and hands over the intersection of aperture, curve forms the plane curve of an egg type in vertical plane rectangular projection, aperture intersection is in the continuous and derivable curve being geometrically made of obtuse angle segmental arc and acute angle segmental arc, there are four characteristic points for egg type curve tool, respectively θ1、θ2、θ3And θ4, compared with prior art, the present invention is applied to engineering practice, significant effect.
Description
Technical field
The invention belongs to spacecraft thermal test vacuum tank technical fields, in particular it relates to a kind of band oblique cone
The horizontal vacuum shell of shape joint pipe structure, for instructing related reinforcement for openings structure.
Background technique
In space environment simulation equipment development, due to system functional requirement, need to stretch out in vacuum tank cylinder various
Joint pipe structure.According to the geometric position for taking over opposite cylinder, orthogonal nozzle, circumferential mitre tube and axial inclined pipe etc. can be divided into.
Since axial inclined pipe structure is in the asymmetrical characteristic of shell transverse direction, the region which intersects with cylinder is identical as having
The orthogonal nozzle of structure is compared, and stress concentration significantly increases.The aperture of adapter tube axis and tubular axis (30 °~90 °) at angle α
It is a kind of aperture that risk is bigger in equipment.It is more than 1000mm for full-size, and the ratio between long axis a and short axle b are greater than
Large opening inclined pipe structure equal to 2, the container design codes of various countries, the ASME BPVC Code including the U.S. do not have at present
There is the design rule of prescribed specific, it is main that its stress distribution is obtained using two methods of experiment measurement and numerical simulation.
The reinforcement form of perforated container, which sums up, is divided into local reinforcement and two kinds of integral reinforcement.The former, which refers to, separately adds reinforcement
Element increases the wall thickness of shell in a certain range at opening in shell, or welds the preceding paragraph in tapping and thicken adapter tube, the latter
It is to reduce the stress near aperture with increasing entire shell wall thickness or improving the method for shell overall stiffness.
Local reinforcement form mainly has pasting board reinforcement, nozzle reinforcement and three kinds of reinforcement by integrated forging piece.
Integral reinforcement form mainly has the reinforcement of shell stiffening ring and overall housing to thicken two kinds of reinforcement.
Comprehensive reinforcement form is the optimum organization of local reinforcement form and integral reinforcement form.
Horizontal vacuum shell with tilted conical joint pipe structure should have enough strength and stiffness, to prevent external pressure from making
Strength Failure and deformation under is exceeded.In engineering practice, tilted conical is taken over the stress caused by cylinder abnormity large opening and is concentrated
Weaken, mating precision optics equipment exceeded more than the installation error that will lead to optics off-axis angle α angle afterwards to a certain degree with rigidity
It can not work normally, even horizontal vacuum container can be made integrally to collapse and serious accident occurs under extreme case.
Summary of the invention
For this purpose, goal of the invention of the invention is to provide a kind of horizontal vacuum shell with tilted conical joint pipe structure,
The cylinder is by structure design and analysis and actual measurement, the horizontal vacuum shell optimized.
Present invention employs the following technical solutions:
Horizontal vacuum shell with tilted conical joint pipe structure of the invention, cylinder side is obliquely installed optics oblique cone
Cylinder, wherein the cone-apex angle of optics oblique cone cylinder is β angle, and for range at 0 °~45 °, end diameter is Φ 420mm, in oblique cone cylinder
Mandrel line and main cylinder centerlines α angle, 30 °~90 ° of range, main cylinder diameter of phi 3000mm~5000mm, oblique cone
It is three-dimensional space curve that shape adapter tube, which cuts with cylinder and hands over the intersection of aperture, and three-dimensional space curve forms one in vertical plane rectangular projection
The plane curve of a egg type, aperture intersection in the continuous and derivable curve being geometrically made of obtuse angle segmental arc and acute angle segmental arc,
There are four characteristic points, respectively θ for the plane curve tool of egg type1、θ2、θ3And θ4, wherein two characteristic point θ1、θ4In the longest axis
With the plane curve intersection of egg type, third feature point θ2Positioned at the plane curve intersection of most short axle and egg type, fourth feature
Point θ3At the transition point of obtuse angle segmental arc and acute angle segmental arc.
Wherein, the obtuse angle side and cylinder that the obtuse angle segmental arc of aperture is taken over by tilted conical, which are cut to hand over, to be formed, and acute angle segmental arc is oblique cone
The acute side of shape adapter tube is cut with cylinder to be handed over.
Wherein, the long axis of the plane curve of egg type is a, and short axle b, long axis is more than 1000mm, long axis and minor axis length it
Than being more than or equal to 2.
Wherein, the plane curve short axle endpoint θ of the egg type2With segmental arc transition point θ3It is not overlapped.
Wherein, the material of shell and tilted conical adapter tube mainly uses stainless steel 0Cr18Ni9.
Wherein, vacuum tank cylinder and tilted conical adapter tube belong to thin-walled rotator shell structure.
Wherein, it is provided with annular stiffening ring on the side wall of tilted conical adapter tube, with reinforced structure.
Wherein, reinforcement pasting board is arranged in the site boundary that cylinder side is contacted with optics oblique cone cylinder.
Wherein, tilted conical adapter tube uses heavy wall Taper Pipe, and pipe thickness is 10mm~16mm.
Compared with traditional vacuum tube structure, the horizontal vacuum shell of the invention with tilted conical joint pipe structure,
Breach bear external pressure, adapter tube axis and 30 ° at angle α~90 ° of tubular axis, full-size be more than 1000mm, and long axis a
2 large opening structure limitation is met or exceeded with the ratio between short axle b, and is successfully applied to engineering practice, significant effect.The present invention
It is successfully used for the space KM3E with solar irradiation analog functuion of Beijing Satellite Environment Engineering Research Institute's autonomous innovation development
Environment simulator.Structure finite element numerical simulation the result shows that the maximum stress at cylinder abnormity large opening by non-application invention
Preceding 237MPa is reduced to 79MP, significantly reduces 66.7%；The experimental measurements of optics oblique cone cylinder off-axis angle α angle installation error
It is 0.3 °, better than 0.5 ° of requirement of technical indicator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the horizontal vacuum shell of the invention with tilted conical joint pipe structure.
Wherein, 1- cylinder 2- optics oblique cone cylinder 3- stiffening ring 4- reinforcement pasting board.
Fig. 2 is that projection line is mutually passed through in the aperture of the horizontal vacuum shell of the invention with tilted conical joint pipe structure.Aperture
The plane curve that projection line is egg type is mutually passed through, long axis a, short axle b, long axis length is more than 1000mm, and long axis and short axle are long
The ratio between degree is more than or equal to 2, has θ1、θ2、θ3And θ4Four characteristic points.
Fig. 3 shows that the structure of the horizontal vacuum shell annular stiffening ring of the invention with tilted conical joint pipe structure is shown
It is intended to.Cylinder annular stiffening ring is the annular hollow component along the continuous whole circle arrangement of horizontal vacuum cylinder lateral wall.
Fig. 4 shows that the structure of reinforcement pasting board in the horizontal vacuum shell of the invention with tilted conical joint pipe structure is shown
It is intended to.Reinforcement faced board structure is the whole circle steel plate member that weldering is closely pasted around cylinder aperture.
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.
The structural representation of the horizontal vacuum shell of the invention with tilted conical joint pipe structure is shown referring to Fig. 1, Fig. 1
Figure.Wherein, the horizontal vacuum shell 1 of the invention with tilted conical joint pipe structure, 1 side of cylinder are obliquely installed optics oblique cone
The material of cylinder 2, shell and tilted conical adapter tube mainly uses stainless steel 0Cr18Ni9.Wherein, the cone-apex angle of optics oblique cone cylinder 2
For β angle, for range at 45 °, end diameter is Φ 420mm, optics oblique cone cylinder central axis and the angle main cylinder centerlines α
Degree, 60 ° of range, main cylinder diameter of phi 3000mm~5000mm, it is three that tilted conical adapter tube, which cuts with cylinder 1 and hands over the intersection of aperture,
Dimension space curve, three-dimensional space curve shape form an egg in vertical plane rectangular projection for example, see Fig. 2, three-dimensional space curve
The plane curve of shape, aperture intersection is in the continuous and derivable curve being geometrically made of obtuse angle segmental arc and acute angle segmental arc, egg type
Plane curve tool there are four characteristic point, respectively θ1、θ2、θ3And θ4, wherein two characteristic point θ1、θ4In the longest axis and egg
The plane curve intersection of shape, third feature point θ2Positioned at the plane curve intersection of most short axle and egg type, fourth feature point θ3Position
At the transition point of obtuse angle segmental arc and acute angle segmental arc.
In a specific embodiment, the obtuse angle side and cylinder that the obtuse angle segmental arc of aperture is taken over by tilted conical, which are cut to hand over, to be formed,
Acute angle segmental arc is that the acute side of tilted conical adapter tube and cylinder section are handed over.
In a specific embodiment, the long axis of the plane curve of egg type is a, and short axle b, long axis is more than 1000mm, long
The ratio between axis and minor axis length are more than or equal to 2.
In a specific embodiment, the plane curve short axle endpoint θ of the egg type2With segmental arc transition point θ3It is not overlapped.
In a specific embodiment, it is provided with annular stiffening ring on the lateral wall of tilted conical adapter tube cylinder, with reinforcement knot
Structure.The annular hollow section stiffening ring along the continuous whole circle arrangement of cylinder lateral wall is shown for example, see Fig. 3, Fig. 3.
In a specific embodiment, reinforcement pasting board is arranged in the site boundary that cylinder side is contacted with optics oblique cone cylinder.Example
As referring to fig. 4, Fig. 4 shows the whole circle steel plate that weldering is pasted around cylinder aperture.Reinforcement pasting board and cylinder are overlapped using fillet
Mode fits closely welding.
Although the detailed description and description of the specific embodiments of the present invention are given above, it should be noted that
We can carry out various equivalent changes and modification to above embodiment according to the concept of the present invention, and generated function is made
It, should all be within protection scope of the present invention when with the spirit still covered without departing from specification and attached drawing.
Claims (9)
1. the horizontal vacuum shell with tilted conical joint pipe structure, the cylinder side is obliquely installed optics oblique cone cylinder, wherein
The cone-apex angle of optics oblique cone cylinder is β angle, and for range at 0 °~45 °, end diameter is Φ 420mm, optics oblique cone cylinder central axis
Line and main cylinder centerlines α angle, 30 °~90 ° of range, main cylinder diameter of phi 3000mm~5000mm, tilted conical connects
It is three-dimensional space curve that pipe, which cuts with main cylinder and hands over the intersection of aperture, and three-dimensional space curve forms one in vertical plane rectangular projection
The plane curve of egg type, aperture intersection is in the continuous and derivable curve being geometrically made of obtuse angle segmental arc and acute angle segmental arc, egg
There are four characteristic points, respectively θ for the plane curve tool of shape1、θ2、θ3And θ4, wherein two characteristic point θ1、θ4In the longest axis with
The plane curve intersection of egg type, third feature point θ2Positioned at the plane curve intersection of most short axle and egg type, fourth feature point θ3
At the transition point of obtuse angle segmental arc and acute angle segmental arc.
2. horizontal vacuum shell as described in claim 1, wherein the obtuse angle segmental arc of aperture intersection is taken over by tilted conical
Obtuse angle side and main cylinder cut to hand over and be formed, acute angle segmental arc is that the acute side of tilted conical adapter tube and main cylinder section are handed over.
3. horizontal vacuum shell as described in claim 1, wherein the long axis of the plane curve of egg type be a, short axle b,
Long axis length is more than 1000mm, and the ratio between long axis and minor axis length are more than or equal to 2.
4. horizontal vacuum shell as described in claim 1, wherein the plane curve short axle endpoint θ of the egg type2And segmental arc
Transition point θ3It is not overlapped.
5. horizontal vacuum shell as described in claim 1, wherein the material master of the shell and tilted conical adapter tube
To use stainless steel 0Cr18Ni9.
6. horizontal vacuum shell as described in claim 1, wherein the vacuum tank cylinder and tilted conical adapter tube belong to
In thin-walled rotator shell structure.
7. horizontal vacuum shell as described in claim 1, wherein the side wall of tilted conical adapter tube and corresponding horizontal vacuum hold
Device cylinder is provided with annular stiffening ring, with reinforced structure.
8. horizontal vacuum shell as described in claim 1, wherein the shell side is contacted with optics oblique cone cylinder
Site boundary be arranged reinforcement pasting board.
9. horizontal vacuum shell as described in claim 1, wherein tilted conical adapter tube uses heavy wall Taper Pipe, tube wall
With a thickness of 10mm~16mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855158.6A CN107807000B (en) | 2016-09-27 | 2016-09-27 | Horizontal vacuum shell with tilted conical joint pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855158.6A CN107807000B (en) | 2016-09-27 | 2016-09-27 | Horizontal vacuum shell with tilted conical joint pipe structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107807000A CN107807000A (en) | 2018-03-16 |
| CN107807000B true CN107807000B (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610855158.6A Active CN107807000B (en) | 2016-09-27 | 2016-09-27 | Horizontal vacuum shell with tilted conical joint pipe structure |
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Citations (7)
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| JP2010099684A (en) * | 2008-10-22 | 2010-05-06 | Origin Electric Co Ltd | Manufacturing method of pressure container, manufacturing apparatus, and pressure container |
| CN201618558U (en) * | 2010-03-04 | 2010-11-03 | 上海理工大学 | Large-opening reinforcing structure of thin-wall pressure container |
| CN202546101U (en) * | 2012-03-25 | 2012-11-21 | 杭州纽创工业设计有限公司 | Fixing mechanism for container and connecting tube of evaporator |
| CN103128420A (en) * | 2013-02-27 | 2013-06-05 | 陕西化建工程有限责任公司 | Construction technology of embedded reinforcing structure for large-orifice pipe of container |
| CN203604987U (en) * | 2013-12-13 | 2014-05-21 | 西南石油大学 | Elliptical reinforcing ring for natural gas buffer tank |
| CN204610820U (en) * | 2015-05-15 | 2015-09-02 | 鞍山钢制压力容器有限公司 | A kind of for large pressurized vessel open bulk reinforcing device |
| CN105775174A (en) * | 2016-03-04 | 2016-07-20 | 北京卫星环境工程研究所 | Sinking type vacuum container used for environment tests |
-
2016
- 2016-09-27 CN CN201610855158.6A patent/CN107807000B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010099684A (en) * | 2008-10-22 | 2010-05-06 | Origin Electric Co Ltd | Manufacturing method of pressure container, manufacturing apparatus, and pressure container |
| CN201618558U (en) * | 2010-03-04 | 2010-11-03 | 上海理工大学 | Large-opening reinforcing structure of thin-wall pressure container |
| CN202546101U (en) * | 2012-03-25 | 2012-11-21 | 杭州纽创工业设计有限公司 | Fixing mechanism for container and connecting tube of evaporator |
| CN103128420A (en) * | 2013-02-27 | 2013-06-05 | 陕西化建工程有限责任公司 | Construction technology of embedded reinforcing structure for large-orifice pipe of container |
| CN203604987U (en) * | 2013-12-13 | 2014-05-21 | 西南石油大学 | Elliptical reinforcing ring for natural gas buffer tank |
| CN204610820U (en) * | 2015-05-15 | 2015-09-02 | 鞍山钢制压力容器有限公司 | A kind of for large pressurized vessel open bulk reinforcing device |
| CN105775174A (en) * | 2016-03-04 | 2016-07-20 | 北京卫星环境工程研究所 | Sinking type vacuum container used for environment tests |
Non-Patent Citations (1)
| Title |
|---|
| 轴向斜接管内压容器***压力的预测;刘芳等;《石油机械》;20090228;第37卷(第2期);第15-18页 |
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| CN107807000A (en) | 2018-03-16 |
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