CN201421757Y - Improved low-temperature constant-temperature drum - Google Patents
Improved low-temperature constant-temperature drum Download PDFInfo
- Publication number
- CN201421757Y CN201421757Y CN2009201482203U CN200920148220U CN201421757Y CN 201421757 Y CN201421757 Y CN 201421757Y CN 2009201482203 U CN2009201482203 U CN 2009201482203U CN 200920148220 U CN200920148220 U CN 200920148220U CN 201421757 Y CN201421757 Y CN 201421757Y
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- tube
- drum
- temperature
- cryogenic thermostat
- liquid helium
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Abstract
The utility model discloses an improved low-temperature constant-temperature drum, which is formed in a manner that a liquid helium low-temperature constant-temperature drum, a low-temperature thermalinsulation drum and a liquid helium drum are mutually concentrically sleeved. The drum is characterized in that the liquid helium low-temperature constant-temperature drum, the low-temperature thermal insulation drum and the liquid helium drum are respectively formed by an upper sealing head, a lower sealing head and a hollow cylindrical central drum; a plurality of suspension points are arrangedalong circumference on the outer surface of each upper sealing head and each lower sealing head of the liquid helium low-temperature constant-temperature drum and the low-temperature thermal insulation drum; pores for a pull rod to pass through are arranged on the each upper sealing head and each lower sealing head of the low-temperature thermal insulation drum and the liquid helium drum near central positions corresponding to the suspension points, a plurality of traction heads are disposed at the pore positions on the outer surfaces of the sealing heads; the drum is connected between each pair of the suspension point and the traction head via a hard pull rod or a soft pull rod. The improved low-temperature constant-temperature drum leads low-temperature constant-temperature drums with different diameters to be concentrically fixed mutually, magnets to be carried without lowering magnetic fields, and simultaneously heat insulation property among the drums to be not damaged.
Description
Technical field
The utility model belongs to a kind of improvement technology of cryogenic thermostat tube.
Background technology
The cryogenic thermostat tube is the necessary building block in the manufacturing process of superconducting magnet.The magnet of a High-Field generally all has several cryogenic thermostat tubes to be nested with together with one heart mutually.This mode of being nested with is exactly the suspension of magnet.
In magnet manufacturing process, need several low temperature tubes.They are respectively liquid helium cryogenic thermostat tubes, and therefore tube contains liquid helium so tube remains on the temperature of liquid helium.Second is the outside that the heat insulation tube of low temperature is configured in the liquid helium tube, plays heat-blocking action.The 3rd is the liquid nitrogen tube, gains the name because of liquid nitrogen is housed, and this keeps the temperature of liquid nitrogen.
Traditional cryogenic thermostat tube, especially liquid helium tube are suspended on two or three stainless steel tubes of urceolus by the welding of liquid helium input pipe.During magnet work, the suspention that each low temperature tube is absolute.So magnet definitely can not rock, otherwise can damage magnet.For avoiding connecting breaking of point of suspension, when carrying, need fix each low temperature tube could carry.This wherein needs to fall the field, and special tool(s) is with fixing low temperature tube, and setting tool is removed in carrying, rises an a series of process again.The important point is in this process, and vacuum has been broken, and need rebulid vacuum.This is a job that takes time and effort very much, needs the time about one month altogether.Traditional in addition magnet low temperature tube overhangs out two and has the stainless steel tube of suitable thickness and be welded on the stainless steel tube of urceolus, causes the volatilization of volume liquid helium owing to relatively large heat conduction.
Summary of the invention
The purpose of this invention is to provide a kind of improved cryogenic thermostat tube, the cryogenic thermostat tube of different-diameter is fixed together with one heart, thereby make magnet can fall a carrying, do not damage the problem of the heat insulation characteristics between each simultaneously with solution.
A kind of improved cryogenic thermostat tube described in the utility model, this cryogenic thermostat tube are to be nested with together with one heart mutually by liquid helium cryogenic thermostat tube, the heat insulation tube of low temperature and liquid nitrogen tube to constitute; Heat insulation tube of described liquid helium cryogenic thermostat tube, low temperature and liquid nitrogen tube are by two end sockets and hollow cylindrical central tube constitute up and down; The bottom head outer surface is provided with some hitch points along periphery on each of the heat insulation tube of liquid helium cryogenic thermostat tube, low temperature; Bottom head has the aperture of passing for pull bar near the corresponding above-mentioned some hitch points in centre on each of the heat insulation tube of low temperature, liquid nitrogen tube, at the place, described aperture of end socket outer surface some drawing heads is set; Pull bar by hardware or software is connected between above-mentioned every pair of hitch point and the drawing head.
Be nested with one heart mutually when constituting the cryogenic thermostat tube by liquid helium cryogenic thermostat tube and liquid nitrogen tube, the bottom head outer surface is provided with some hitch points along periphery on each of liquid helium cryogenic thermostat tube together; Bottom head has the aperture of passing for pull bar near the corresponding above-mentioned some hitch points in centre on each of liquid nitrogen tube, at the place, described aperture of end socket outer surface some drawing heads is set; Pull bar by hardware or software is connected between above-mentioned every pair of hitch point and the drawing head.
Described hitch point and corresponding drawing head certain angle that staggers diametrically.
Described hitch point is the parts with circular convex edge shape that are welded on the cylindrical shell, has fixing aperture, suitable pull bar outer end on the described drawing head, the outer end of described pull bar has one section external screw thread, and this externally threaded length should satisfy the pull bar outer end and pass behind the aperture of drawing head and to cooperate the requirement that screws this pull bar with hold-down nut.
Described hitch point and drawing head are on four pairs of end socket outer surfaces that are symmetrically distributed in heat insulation tube of liquid helium cryogenic thermostat, low temperature and liquid nitrogen tube.
The utility model provides a kind of making and installation method that can hang heat insulation tube of fixing cryogenic thermostat tube, low temperature and liquid nitrogen tube mutually, has the magnet of making and can fall a carrying, does not damage the effect of the heat insulation characteristics between each simultaneously.Because after carrying, do not need to fall, rise and rebulid vacuum and, so very time saving and energy saving, improved operating efficiency.
Description of drawings
Fig. 1 is a suspension point structure front view of the present utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the distribution schematic diagram of four hitch points of end socket outer surface of cryogenic thermostat tube of the present utility model.
Fig. 4 is the end view of Fig. 3.
Fig. 5 is the distribution schematic diagram of four drawing heads of end socket outer surface of the heat insulation tube of low temperature of the present utility model.
Fig. 6 is the end view of Fig. 5.
Fig. 7 is the structural front view of drawing head of the present utility model.
Fig. 8 is the right view of Fig. 7.
Fig. 9 is the vertical view of Fig. 7.
Figure 10 is pull bar example structure figure of the present utility model.
Figure 11 is the vertical view of Fig. 8.
Figure 12 is that heat insulation tube of cryogenic thermostat tube of the present utility model, low temperature and liquid nitrogen tube are nested with syndeton schematic diagram together mutually with one heart.
Embodiment
Concrete structure of the present utility model is referring to accompanying drawing.The hitch point structure of each the end socket outer surface that is mounted in liquid helium cryogenic thermostat tube, the heat insulation tube of low temperature shown in Fig. 1, Fig. 2.The base 2 of hitch point is welded on each end socket outer surface of liquid helium cryogenic thermostat tube, the heat insulation tube of low temperature, and the top 1 of hitch point is the convex edge shape, and is fixed thereon with the ring-type the inner that makes things convenient for pull bar.Described hitch point is distributed in distribution mode on each end socket outer surface of the heat insulation tube of liquid helium cryogenic thermostat tube, low temperature referring to Fig. 3, and the stability for fixing has four hitch points 31,32,33,34 to be evenly distributed on the periphery place on end socket 4 surfaces in Fig. 3.Fig. 4 is the end view of end socket 4.
Corresponding with hitch point is drawing head, and they are corresponding one by one.Drawing head is distributed in each end socket outer surface of the heat insulation tube of low temperature, liquid nitrogen tube near the end socket central part, corresponding above-mentioned some hitch points place.Shown in Fig. 5 is four drawing heads 71,72,73,74 that are symmetrically distributed near the end socket middle part.On the end socket 5 at drawing head 71,72,73,74 places, have the aperture of passing for pull bar 61,62,63,64, has fixing aperture, suitable pull bar outer end on the facade of described drawing head, the outer end of described pull bar has one section external screw thread, and this externally threaded length should satisfy the pull bar outer end and pass behind the aperture of drawing head and to cooperate the requirement that screws this pull bar with hold-down nut.Fig. 6 is the end view of end socket.
Described hitch point and corresponding drawing head certain angle that staggers diametrically so that pull bar produces a horizontal tightening force between two cylindrical shells, prevents to relatively rotate between each cylindrical shell.
The structure of described drawing head can be referring to Fig. 7, Fig. 8 and Fig. 9.Drawing head has a facade structures 14, is provided with the aperture of passing for pull bar 15 on this facade structures 14.Firm for what connect, this facade structures should comprise two supporting surfaces 13,16 connected vertically with it.
The structure of described pull bar is referring to Figure 10, Figure 11.In Figure 10, Figure 11, provide the embodiment of a pull bar.This pull bar 18 can adopt glass fibre or titanium alloy to make the curved flat cyclic structure in two ends, the one end is fixed on the hitch point, the other end is fixed on an end of connector 19, the connecting portion of the other end of described connector 19 and bolt 20 fixes, this bolt 20 passes the aperture 15 on the facade 14 of drawing head, fixes with nut.By the position of adjusting nut on bolt, with the pulling force size of control pull rod.
Figure 12 is that heat insulation tube of cryogenic thermostat tube, low temperature and liquid nitrogen tube are nested with syndeton schematic diagram together mutually with one heart.In Figure 12, the 8th, liquid nitrogen tube, the 9th, liquid nitrogen interlayer, the 10th, heat insulation tube, the 11st, liquid helium tube, the 12nd, pull bar.
Cryogenic thermostat tube described in the utility model also can be nested with one heart mutually by liquid helium cryogenic thermostat tube and liquid nitrogen tube and constitute the cryogenic thermostat tube together, and this moment, the bottom head outer surface was provided with some hitch points along periphery on each of liquid helium cryogenic thermostat tube; Bottom head has the aperture of passing for pull bar near the corresponding above-mentioned some hitch points in centre on each of liquid nitrogen tube, at the place, described aperture of end socket outer surface some drawing heads is set; Pull bar by hardware or software is connected between above-mentioned every pair of hitch point and the drawing head.
Claims (5)
1, a kind of improved cryogenic thermostat tube, this cryogenic thermostat tube are to be nested with together with one heart mutually by liquid helium cryogenic thermostat tube, the heat insulation tube of low temperature and liquid nitrogen tube to constitute; It is characterized in that heat insulation tube of described liquid helium cryogenic thermostat tube, low temperature and liquid nitrogen tube are by two end sockets and hollow cylindrical central tube constitute up and down; The bottom head outer surface is provided with some hitch points along periphery on each of the heat insulation tube of liquid helium cryogenic thermostat tube, low temperature; Bottom head has the aperture of passing for pull bar near the corresponding above-mentioned some hitch points in centre on each of the heat insulation tube of low temperature, liquid nitrogen tube, at the place, described aperture of end socket outer surface some drawing heads is set; Pull bar by hardware or software is connected between above-mentioned every pair of hitch point and the drawing head.
2, a kind of improved cryogenic thermostat tube as claimed in claim 1, it is characterized in that: be nested with one heart mutually when constituting the cryogenic thermostat tube by liquid helium cryogenic thermostat tube and liquid nitrogen tube, the bottom head outer surface is provided with some hitch points along periphery on each of liquid helium cryogenic thermostat tube together; Bottom head has the aperture of passing for pull bar near the corresponding above-mentioned some hitch points in centre on each of liquid nitrogen tube, at the place, described aperture of end socket outer surface some drawing heads is set; Pull bar by hardware or software is connected between above-mentioned every pair of hitch point and the drawing head.
3, a kind of improved cryogenic thermostat tube as claimed in claim 1 or 2 is characterized in that: hitch point and corresponding drawing head certain angle that staggers diametrically.
4, as claim 1,2 or 3 described a kind of improved cryogenic thermostat tubes, it is characterized in that: described hitch point is the parts with circular convex edge shape that are welded on the cylindrical shell, has fixing aperture, suitable pull bar outer end on the described drawing head, the outer end of described pull bar has one section external screw thread, and this externally threaded length should satisfy the pull bar outer end and pass behind the aperture of drawing head and to cooperate the requirement that screws this pull bar with hold-down nut.
5, as claim 1,2 or 3 described a kind of improved cryogenic thermostat tubes, it is characterized in that: described hitch point and drawing head are on four pairs of end socket outer surfaces that are symmetrically distributed in heat insulation tube of liquid helium cryogenic thermostat, low temperature and liquid nitrogen tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201482203U CN201421757Y (en) | 2009-03-30 | 2009-03-30 | Improved low-temperature constant-temperature drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201482203U CN201421757Y (en) | 2009-03-30 | 2009-03-30 | Improved low-temperature constant-temperature drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201421757Y true CN201421757Y (en) | 2010-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201482203U Expired - Fee Related CN201421757Y (en) | 2009-03-30 | 2009-03-30 | Improved low-temperature constant-temperature drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201421757Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226953A (en) * | 2011-03-30 | 2011-10-26 | 中国科学院电工研究所 | Pull rod for spatial superconducting magnets |
| CN104251980A (en) * | 2013-06-26 | 2014-12-31 | 通用电气公司 | Superconducting magnet suspension system |
| CN107397544A (en) * | 2017-07-21 | 2017-11-28 | 中国科学院上海微系统与信息技术研究所 | Biological magnetic chart instrument probe and magnetocardiograph |
| CN108447644A (en) * | 2018-05-29 | 2018-08-24 | 潍坊新力超导磁电科技有限公司 | A kind of Magnetic resonance imaging superconducting magnet for acra imaging |
-
2009
- 2009-03-30 CN CN2009201482203U patent/CN201421757Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226953A (en) * | 2011-03-30 | 2011-10-26 | 中国科学院电工研究所 | Pull rod for spatial superconducting magnets |
| CN104251980A (en) * | 2013-06-26 | 2014-12-31 | 通用电气公司 | Superconducting magnet suspension system |
| CN104251980B (en) * | 2013-06-26 | 2019-03-08 | 通用电气公司 | A kind of superconducting magnet suspension |
| CN107397544A (en) * | 2017-07-21 | 2017-11-28 | 中国科学院上海微系统与信息技术研究所 | Biological magnetic chart instrument probe and magnetocardiograph |
| CN108447644A (en) * | 2018-05-29 | 2018-08-24 | 潍坊新力超导磁电科技有限公司 | A kind of Magnetic resonance imaging superconducting magnet for acra imaging |
| CN108447644B (en) * | 2018-05-29 | 2024-01-26 | 潍坊新力超导磁电科技有限公司 | Nuclear magnetic resonance imaging superconducting magnet for limb end imaging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20130330 |