CN214789536U - Novel multi-channel low-temperature transmission pipeline - Google Patents
Novel multi-channel low-temperature transmission pipeline Download PDFInfo
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- CN214789536U CN214789536U CN202120594089.4U CN202120594089U CN214789536U CN 214789536 U CN214789536 U CN 214789536U CN 202120594089 U CN202120594089 U CN 202120594089U CN 214789536 U CN214789536 U CN 214789536U
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- convex strip
- cold
- cylinder
- screen cylinder
- cold shield
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
- F16L9/19—Multi-channel pipes or pipe assemblies
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/70—Cooling of pipes or pipe systems
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
Abstract
The utility model discloses a novel multi-channel low-temperature transmission pipeline, which comprises a cold screen cylinder, a first raised line, a positioning component and a second raised line; a first convex strip and a second convex strip are fixed on the cylinder body of the cold screen cylinder along the length direction of the cold screen cylinder; the first convex strip and the second convex strip are respectively symmetrical about the axis of the cold screen cylinder; the lengths of the first convex strip and the second convex strip are equal to the length of the cold screen cylinder; the starting and stopping ends of the first convex strip and the second convex strip are aligned with the starting and stopping ends of the cold screen cylinder; a plurality of positioning assemblies which are uniformly distributed along the length direction of the second raised line are fixed on the second raised line; the utility model has the advantages that: through the local prominent form greatly increased cold shield section of thick bamboo mechanical strength, effectively reduced the thickness of a cold shield section of thick bamboo simultaneously, realized cold shield section of thick bamboo lightweight under the prerequisite that satisfies mechanical strength to reduce the cost of material, improved the production interest rate.
Description
Technical Field
The utility model relates to a multichannel pipeline's cryogenic transfer technical field specifically is a new multichannel cryogenic transfer pipeline.
Background
The large scientific device relates to the field of low-temperature superconduction, and is used as a key device for low-temperature superconduction low-temperature fluid medium transmission, namely a multi-channel low-temperature transmission pipeline, mainly comprises a vacuum outer pipe, forms a plurality of temperature areas or transmission of different fluid media, has the advantage of low heat leakage, and is similar to cable resistance, the larger the cable resistance is, the larger the electric quantity transmission loss is, in other words, the larger the heat leakage of a multi-channel per se is, and the lower the effective transmission efficiency of the pipeline is. The heat leakage of the multi-channel pipeline is about 20 percent of that of the common single-channel pipeline, and the multi-channel pipeline has obvious cryogenic fluid conveying advantages. The same cold transmission is higher than the space utilization rate of a single pipeline, the occupied space of equipment is greatly saved, and the external layout is more compact through national-road integrated processing. The requirement of multiple channels at the present stage is still very limited because the large scientific devices are in the pilot stage at present, the multiple channels are only applied to a small amount of applications in the early pre-research of the devices or the construction of test platforms at the present stage, but the requirement of the multiple channel pipeline will increase in a blowout manner along with the continuous formal construction of the large scientific devices at the later stage.
Because of condition limitation, the prior multi-channel cold screen is manufactured by processing and manufacturing an aluminum plate roll and aluminum welding. And rewinding after welding the cylinder body to ensure that the cylindricity meets the requirement. This manufacturing process suffers from the following disadvantages: the multi-channel cold shield has certain requirements on the strength of the cold shield, the thickness of the rolled plate is generally thicker, the material cost is increased, and the manufacturing difficulty is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the novel multi-channel low-temperature transmission pipeline with the small cold shield weight under the condition of meeting the strength condition is provided.
In order to solve the technical problem, the utility model provides a following technical scheme: a novel multi-channel low-temperature transmission pipeline comprises a cold shield cylinder, a first convex strip, a positioning assembly and a second convex strip; a first convex strip and a second convex strip are fixed on the cylinder body of the cold screen cylinder along the length direction of the cold screen cylinder; the first convex strip and the second convex strip are respectively symmetrical about the axis of the cold screen cylinder; the lengths of the first convex strip and the second convex strip are equal to the length of the cold screen cylinder; the starting and stopping ends of the first convex strip and the second convex strip are aligned with the starting and stopping ends of the cold screen cylinder; and a plurality of positioning assemblies which are uniformly distributed along the length direction of the second raised lines are fixed on the second raised lines.
A first bulge and a second bulge are added on the outer side of the cold shield cylinder; through the local prominent form greatly increased cold shield section of thick bamboo mechanical strength, effectively reduced the thickness of a cold shield section of thick bamboo simultaneously, realized cold shield section of thick bamboo lightweight under the prerequisite that satisfies mechanical strength to reduce the cost of material, improved the production interest rate.
Preferably, the positioning assembly comprises a connecting seat and a ball head; the connecting seat is fixed on the side wall of the second convex strip; the bulb is rotatably connected to the connecting seat.
Preferably, the positioning assembly further comprises a bottom plate, a gasket and a base; the connecting seat is fixed on the bottom plate; a plurality of layers of gaskets are arranged between the bottom plate and the outer wall of the cold screen cylinder; the bottom plate penetrates through the bolt and penetrates into the cold shield cylinder; and is fixed in the base through screw threads; the base is fixed on the inner wall of the cold shield cylinder.
Preferably, the new multi-channel cryogenic transfer line further comprises a cooling tube; the outer edge of the cooling pipe is fixedly provided with a connecting plate; the cylinder body of the cold shield cylinder is provided with a gap which is communicated with the inside and the outside along the length direction; the notch also penetrates through the upper end face and the lower end face of the cold shield cylinder; the connecting plates are fixed at two ends of the notch at the outer side of the cold shield cylinder; the cooling pipe is embedded in the notch; the axis of the cooling pipe is parallel to the axis of the cold screen cylinder.
Preferably, the connecting plate is arc-shaped; the arc radius of the connecting plate is the same as the radius of the cold shield cylinder; the connecting plate is internally tangent with the edge of the cooling pipe.
Preferably, the edges of the two ends of the connecting plate are clamped between two adjacent second convex strips.
Preferably, the connecting plate is welded on the outer side wall of the cold shield cylinder.
Preferably, the first protruding strip and the second protruding strip are integrally formed with the outer wall of the cold screen cylinder.
A first bulge and a second bulge are added on the outer side of the cold shield cylinder; the mechanical strength of the cold shield cylinder is greatly improved through a local protrusion form, the thickness of the cold shield cylinder is effectively reduced, the lightweight of the cold shield cylinder is realized on the premise of meeting the mechanical strength, the material cost is reduced, and the production interest rate is improved; the connecting plate welded on the cooling pipe is clamped between the two adjacent second bulges; the positioning between the cooling pipe and the cold shield cylinder is effectively realized, the assembly precision is improved, and the assembly difficulty is reduced; and the positioning assembly is arranged outside the cold shield cylinder, and when the cold shield cylinder is arranged in the vacuum tube, the ball head rolls on the inner wall of the vacuum tube, so that the mounting difficulty is reduced, and the mounting precision is improved.
Compared with the prior art, the beneficial effects of the utility model are that:
A. a first bulge and a second bulge are added on the outer side of the cold shield cylinder; the mechanical strength of the cold shield cylinder is greatly improved through a local protrusion form, the thickness of the cold shield cylinder is effectively reduced, the lightweight of the cold shield cylinder is realized on the premise of meeting the mechanical strength, the material cost is reduced, and the production interest rate is improved;
B. the connecting plate welded on the cooling pipe is clamped between the two adjacent second bulges; the positioning between the cooling pipe and the cold shield cylinder is effectively realized, the assembly precision is improved, and the assembly difficulty is reduced; and the positioning assembly is arranged outside the cold shield cylinder, and when the cold shield cylinder is arranged in the vacuum tube, the ball head rolls on the inner wall of the vacuum tube, so that the mounting difficulty is reduced, and the mounting precision is improved.
Drawings
FIG. 1 is a schematic axial side structure diagram of the cold shield cylinder of the present invention;
FIG. 2 is an end elevation view of the cold shield cylinder of the present invention;
FIG. 3 is an enlarged view of the area A in FIG. 2 according to the present invention;
fig. 4 is an enlarged view of the area B in fig. 2 according to the present invention.
Reference numerals: 1. a cold shield cylinder; 2. a first rib; 3. a cooling tube; 31. a connecting plate; 4. a positioning assembly; 41. a base plate; 42. a connecting seat; 43. a ball head; 44. a gasket; 45. a base; 5. a second convex strip.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
The terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, 2 and 4, the present embodiment discloses a new multi-channel low temperature transmission pipeline, which includes a cold shielding cylinder 1, a first protruding strip 2, a positioning assembly 4, and a second protruding strip 5; a first convex strip 2 and a second convex strip 5 are integrally formed on the cylinder body of the cold screen cylinder 1 along the length direction of the cold screen cylinder; the first convex strip 2 and the second convex strip 5 are respectively symmetrical about the axis of the cold screen cylinder 1; the lengths of the first convex strip 2 and the second convex strip 5 are equal to the length of the cold screen cylinder 1; the starting and stopping ends of the first convex strips 2 and the second convex strips 5 are aligned with the starting and stopping ends of the cold screen cylinder 1; the positioning assembly 4 comprises a bottom plate 41, a connecting seat 42, a ball head 43, a gasket 44 and a base 45; a plurality of connecting seats 42 uniformly arranged along the length direction are fixed on the second convex strip 5. The connecting seat 42 is fixed on the side wall of the second convex strip 5; the ball 43 is rotatably connected to the connecting base 42. The connecting seat 42 is fixed on the bottom plate 41; a plurality of layers of gaskets 44 are arranged between the bottom plate 41 and the outer wall of the cold screen cylinder 1; the bottom plate 41 penetrates through a bolt and penetrates into the cold shield cylinder 1; and is fixed in the base 45 by screw threads; the base 45 is fixed on the inner wall of the cold shield cylinder 1.
Referring to fig. 1, 2 and 3, the new multi-channel cryogenic transfer line further comprises a cooling tube 3; the outer edge of the cooling pipe 3 is welded with a connecting plate 31; the tube body of the cold shield tube 1 is provided with a gap which is communicated with the inside and the outside along the length direction; the notch also penetrates through the upper end face and the lower end face of the cold shield cylinder 1; the connecting plates 31 are welded at two ends of the notch at the outer side of the cold shield cylinder 1; the cooling pipe 3 is embedded in the notch; the axis of the cooling tube 3 is parallel to the axis of the cold screen cylinder 1.
Referring to fig. 3, the connecting plate 31 has an arc shape; the arc radius of the connecting plate 31 is the same as the radius of the cold shield cylinder 1; the web 31 is inscribed in the edge of the cooling tube 3.
The edges of the two ends of the connecting plate 31 are clamped between two adjacent second ribs 5.
The working principle of the embodiment is as follows: a first bulge and a second bulge are added on the outer side of the cold shield cylinder 1; the mechanical strength of the cold shield cylinder 1 is greatly improved through a local protrusion form, the thickness of the cold shield cylinder 1 is effectively reduced, the light weight of the cold shield cylinder 1 is realized on the premise of meeting the mechanical strength, the material cost is reduced, and the production interest rate is improved; the connecting plate 31 welded on the cooling pipe 3 is clamped between two adjacent second bulges; the positioning between the cooling tube 3 and the cold shield cylinder 1 is effectively realized, the assembly precision is improved, and the assembly difficulty is reduced; and install locating component 4 outside cold shield section of thick bamboo 1, when packing cold shield section of thick bamboo 1 into the vacuum tube, bulb 43 rolls on the vacuum tube inner wall, reduces the installation degree of difficulty, improves the installation accuracy.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (8)
1. A novel multi-channel cryogenic transfer line, characterized by: the cold shield cylinder comprises a cold shield cylinder, a first convex strip, a positioning assembly and a second convex strip; a first convex strip and a second convex strip are fixed on the cylinder body of the cold screen cylinder along the length direction of the cold screen cylinder; the first convex strip and the second convex strip are respectively symmetrical about the axis of the cold screen cylinder; the lengths of the first convex strip and the second convex strip are equal to the length of the cold screen cylinder; the starting and stopping ends of the first convex strip and the second convex strip are aligned with the starting and stopping ends of the cold screen cylinder; and a plurality of positioning assemblies which are uniformly distributed along the length direction of the second raised lines are fixed on the second raised lines.
2. The novel multi-channel cryogenic transfer line of claim 1, wherein: the positioning assembly comprises a connecting seat and a ball head; the connecting seat is fixed on the side wall of the second convex strip; the bulb is rotatably connected to the connecting seat.
3. A novel multi-channel cryogenic transfer line according to claim 2, wherein: the positioning assembly further comprises a bottom plate, a gasket and a base; the connecting seat is fixed on the bottom plate; a plurality of layers of gaskets are arranged between the bottom plate and the outer wall of the cold screen cylinder; the bottom plate penetrates through the bolt and penetrates into the cold shield cylinder; and is fixed in the base through screw threads; the base is fixed on the inner wall of the cold shield cylinder.
4. The novel multi-channel cryogenic transfer line of claim 1, wherein: the new multi-channel cryogenic transfer line further comprises a cooling tube; the outer edge of the cooling pipe is fixedly provided with a connecting plate; the cylinder body of the cold shield cylinder is provided with a gap which is communicated with the inside and the outside along the length direction; the notch also penetrates through the upper end face and the lower end face of the cold shield cylinder; the connecting plates are fixed at two ends of the notch at the outer side of the cold shield cylinder; the cooling pipe is embedded in the notch; the axis of the cooling pipe is parallel to the axis of the cold screen cylinder.
5. The new multi-channel cryogenic transfer line of claim 4, wherein: the connecting plate is arc-shaped; the arc radius of the connecting plate is the same as the radius of the cold shield cylinder; the connecting plate is internally tangent with the edge of the cooling pipe.
6. The new multi-channel cryogenic transfer line of claim 4, wherein: the edges of the two ends of the connecting plate are clamped between the two adjacent second raised strips.
7. The new multi-channel cryogenic transfer line of claim 4, wherein: the connecting plate is welded on the outer side wall of the cold shield cylinder.
8. The novel multi-channel cryogenic transfer line of claim 1, wherein: the first raised line and the second raised line are integrally formed with the outer wall of the cold screen cylinder.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020213321849 | 2020-07-09 | ||
| CN202021332184 | 2020-07-09 |
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| Publication Number | Publication Date |
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| CN214789536U true CN214789536U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110298101.1A Active CN113217718B (en) | 2020-07-09 | 2021-03-19 | Novel multichannel low-temperature transmission pipeline |
| CN202120594089.4U Active CN214789536U (en) | 2020-07-09 | 2021-03-19 | Novel multi-channel low-temperature transmission pipeline |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110298101.1A Active CN113217718B (en) | 2020-07-09 | 2021-03-19 | Novel multichannel low-temperature transmission pipeline |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2755404Y (en) * | 2004-11-30 | 2006-02-01 | 贾林祥 | Low-temperature fluid pipeline of vacuum sandwich with cold screen |
| WO2011008634A1 (en) * | 2009-07-16 | 2011-01-20 | 3M Innovative Properties Company | Cold shrink article |
| CN203823261U (en) * | 2014-04-22 | 2014-09-10 | 中国科学院等离子体物理研究所 | Low-temperature pipeline return gas cold shieldsystem |
| CN104251367B (en) * | 2014-08-18 | 2016-03-30 | 中国科学院高能物理研究所 | A kind of very low temperature flow transfer line vacuum separation device |
| CN206161226U (en) * | 2016-11-07 | 2017-05-10 | 中国海洋大学 | Measurement device for internal wave horizontal force |
| CN111120781A (en) * | 2019-12-30 | 2020-05-08 | 安徽万瑞冷电科技有限公司 | Cold shield structure for low-temperature transmission pipeline |
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2021
- 2021-03-19 CN CN202110298101.1A patent/CN113217718B/en active Active
- 2021-03-19 CN CN202120594089.4U patent/CN214789536U/en active Active
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| CN113217718A (en) | 2021-08-06 |
| CN113217718B (en) | 2023-09-19 |
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