CN105139993A - Suspension device for superconducting magnet - Google Patents
Suspension device for superconducting magnet Download PDFInfo
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- CN105139993A CN105139993A CN201510611943.2A CN201510611943A CN105139993A CN 105139993 A CN105139993 A CN 105139993A CN 201510611943 A CN201510611943 A CN 201510611943A CN 105139993 A CN105139993 A CN 105139993A
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- room temperature
- superconducting magnet
- temperature container
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- suspension apparatus
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Abstract
The invention discloses a suspension device for a superconducting magnet. The suspension device comprises a room temperature container, a cold mass part, supporting rods and pre-tightening rods. The cold mass part is arranged in the room temperature container, a vacuum layer is arranged between the cold mass part and the room temperature container, at least two room temperature container reinforcing parts are symmetrically arranged on the inner surface of the room temperature container, the ends of the two supporting rods are connected to the lower portions of the room temperature container reinforcing parts, and the other ends of the two supporting rods penetrate the vacuum layer slantly downwards to be connected with the cold mass part, the ends of the two pre-tightening rods are connected to the upper portions of the room temperature container reinforcing parts, and the other ends of the pre-tightening rods penetrate the vacuum layer slantly upwards to be connected with the cold mass part. The suspension device is simple in structure and convenient to assemble, is stressed evenly and is high in reliability and low in cost.
Description
Technical field
The present invention relates to magnetic resonance imaging arts, particularly relate to a kind of suspension apparatus of superconducting magnet.
Background technology
In the superconducting magnet of MRI, superconducting coil is enclosed in low temperature cavity, and low temperature cavity forms vacuum interlayer with between room temperature cavity, and superconducting magnet suspension system realizes the translation of superconducting magnet and the restriction of rotation through vacuum interlayer, reaches instructions for use.In current embodiment, superconducting magnet is suspended in be had on the room temperature cavity of beam structure, suspending rod can be carbon fiber, glass fibre, stainless steel, the Drag link of titanium alloy or annular pull rod, this structure needs in axis, or have larger axis that pull bar is set to the direction of component, to increase superconducting magnet in the rigidity along vertical axes, the feature of these suspension systems is that four or more suspending rod bear the weight of magnet above, and below four or more suspending rod apply pretightning force; Such structure needs on room temperature outer housing, arrange four or more hole, and to facilitate the installation of suspension system, there is complex structure, reliability is not high, the shortcoming that economy is bad.
Summary of the invention
The present invention aims to provide a kind of suspension apparatus of superconducting magnet, and structure is simple, and easy to assembly, uniform force, reliability is high, and cost is lower.
For achieving the above object, the technical solution used in the present invention is as follows:
The suspension apparatus of a kind of superconducting magnet disclosed by the invention, comprise room temperature container, cold quality, support bar and pretension bar, described cold quality is located at room temperature internal tank, be provided with vacuum layer between cold quality and room temperature container, described room temperature inner surface of container is provided with the reinforcement of at least two room temperature containers symmetrically; Two support bar one end are connected to room temperature container reinforcement bottom, and the other end is connected with cold quality through vacuum layer obliquely; Two pretension bar one end are connected to room temperature container reinforcement top, and the other end is connected with cold quality through vacuum layer obliquely; Support bar mainly bears the weight of cold quality, and cold quality is fixed on room temperature internal tank; Pretension bar mainly adjusts the relative position of cold quality in room temperature container, and retrains the degree of freedom of cold quality.
Further, describedly coldly cold quality reinforcement is provided with support bar and pretension bar junction qualitatively.
Further, described support bar and pretension bar are symmetrical relative to the trunnion axis face of room temperature container reinforcement.
Further, described two support bars and two pretension bars symmetrical relative to the vertical axis face of room temperature container reinforcement.
Further, described cold quality reinforcement is symmetrical arranged relative to the horizontal plane of room temperature container reinforcement axis, vertical plane and the middle vertical plane perpendicular to axis.
Further, described support bar and pretension bar are Drag link or annular pull rod.
Further, described support bar and pretension bar material are carbon fiber, glass fibre, stainless steel or titanium alloy.
Further, described cold quality comprises low-temperature (low temperature) vessel, is provided with cryogenic substance and superconducting magnet in low-temperature (low temperature) vessel.
Further, described cryogenic substance is liquid helium.
Further, the outer surface of described low-temperature (low temperature) vessel is provided with thermal radiation screen.
The present invention has following beneficial effect:
Structure is simple, and easy to assembly, uniform force, reliability is high, and cost is lower, and can retrain the motion of cold quality very well.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
In figure: 1-room temperature container, the cold quality of 2-, 3-vacuum layer, 4-support bar, 5-pretension bar, the reinforcement of 6-room temperature container, the cold quality reinforcement of 7-.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.
As shown in Figure 1 and Figure 2, the suspension apparatus of a kind of superconducting magnet disclosed by the invention, comprise room temperature container 1, cold quality 2, support bar 4 and pretension bar 5, it is inner that cold quality 2 is located at room temperature container 1, be provided with vacuum layer 3 between cold quality 2 and room temperature container 1, room temperature container 1 inner surface is provided with at least two room temperature containers reinforcement 6 symmetrically; Two support bar 4 one end are connected to room temperature container reinforcement 6 bottom, and the other end is connected with cold quality 2 through vacuum layer 3 obliquely; Two pretension bar 5 one end are connected to room temperature container reinforcement 6 top, the other end is connected with cold quality 2 through vacuum layer 3 obliquely, support bar 4 and pretension bar 5 are symmetrical relative to the trunnion axis face of room temperature container reinforcement 6, two support bars 4 and two pretension bars 5 symmetrical relative to the vertical axis face of room temperature container reinforcement 6, cold quality 2 is provided with cold quality reinforcement 7 with support bar 4 and pretension bar 5 junction, and cold quality reinforcement 7 is symmetrical arranged relative to the horizontal plane of room temperature container reinforcement 6 axis, vertical plane and the middle vertical plane perpendicular to axis.
Preferably, the reinforcement of described room temperature container is two, has 4 support bars and 4 pretension bars, due to the symmetry of the support bar on 8 directions and pretension bar, pulling force resultant direction is contrary, effectively can limit the translation of superconducting magnet in cartesian coordinate system on three directions; At cold qualitative 8 reinforcement point places, suffered pulling force is at horizontal plane, middle vertical plane and decompose perpendicular on the middle vertical plane of axis, all can obtain contrary, the equal-sized moment in direction in cartesian coordinate system, so just limit the rotation of magnet along three coordinates.
Support bar 4 and pretension bar 5 are the Drag link or annular pull rod that length is equal, and material is carbon fiber, glass fibre, stainless steel or titanium alloy.
Cold quality 2 comprises low-temperature (low temperature) vessel, is provided with cryogenic substance and superconducting magnet in low-temperature (low temperature) vessel, and cryogenic substance is liquid helium, and the outer surface of low-temperature (low temperature) vessel is provided with thermal radiation screen.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (10)
1. the suspension apparatus of a superconducting magnet, it is characterized in that: comprise room temperature container (1), cold quality (2), support bar (4) and pretension bar (5), it is inner that described cold quality (2) is located at room temperature container (1), be provided with vacuum layer (3) between cold quality (2) and room temperature container (1), described room temperature container (1) inner surface is provided with at least two room temperature containers reinforcement (6) symmetrically; Two support bar (4) one end connect room temperature container reinforcement (6) bottom, and the other end is connected with cold quality (2) through vacuum layer (3) obliquely; Two pretension bar (5) one end are connected to room temperature container reinforcement (6) top, and the other end is connected with cold quality (2) through vacuum layer (3) obliquely.
2. the suspension apparatus of superconducting magnet according to claim 1, is characterized in that: the upper and support bar (4) of described cold quality (2) and pretension bar (5) junction are provided with cold quality reinforcement (7).
3. the suspension apparatus of superconducting magnet according to claim 1, is characterized in that: described support bar (4) and pretension bar (5) are symmetrical relative to the trunnion axis face of room temperature container reinforcement (6).
4. the suspension apparatus of superconducting magnet according to claim 1, is characterized in that: described two support bars (4) and two pretension bars (5) symmetrical relative to the vertical axis face of room temperature container reinforcement (6).
5. the suspension apparatus of superconducting magnet according to claim 2, is characterized in that: described cold quality reinforcement (7) is symmetrical arranged relative to the horizontal plane of room temperature container reinforcement (6) axis, vertical plane and the middle vertical plane perpendicular to axis.
6. the suspension apparatus of superconducting magnet according to claim 1, is characterized in that: described support bar (4) and pretension bar (5) are Drag link or annular pull rod.
7. the suspension apparatus of superconducting magnet according to claim 1, is characterized in that: described support bar (4) and pretension bar (5) material are carbon fiber, glass fibre, stainless steel or titanium alloy.
8. the suspension apparatus of superconducting magnet according to claim 1, is characterized in that: described cold quality (2) comprises low-temperature (low temperature) vessel, is provided with cryogenic substance and superconducting magnet in low-temperature (low temperature) vessel.
9. the suspension apparatus of superconducting magnet according to claim 8, is characterized in that: described cryogenic substance is liquid helium.
10. the suspension apparatus of superconducting magnet according to claim 8, is characterized in that: the outer surface of described low-temperature (low temperature) vessel is provided with thermal radiation screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510611943.2A CN105139993B (en) | 2015-09-23 | 2015-09-23 | A kind of suspension apparatus of superconducting magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510611943.2A CN105139993B (en) | 2015-09-23 | 2015-09-23 | A kind of suspension apparatus of superconducting magnet |
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| CN105139993A true CN105139993A (en) | 2015-12-09 |
| CN105139993B CN105139993B (en) | 2017-08-04 |
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| CN201510611943.2A Active CN105139993B (en) | 2015-09-23 | 2015-09-23 | A kind of suspension apparatus of superconducting magnet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939324A (en) * | 2018-08-29 | 2018-12-07 | 合肥中科离子医学技术装备有限公司 | A kind of pull rod pre-tightening mechanism for cyclotron superconducting magnet |
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| JP2000357822A (en) * | 1998-12-30 | 2000-12-26 | General Electric Co <Ge> | Superconducting magnet suspension assembly |
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| CN104251980A (en) * | 2013-06-26 | 2014-12-31 | 通用电气公司 | Superconducting magnet suspension system |
| CN204946635U (en) * | 2015-09-23 | 2016-01-06 | 奥泰医疗系统有限责任公司 | A kind of suspension apparatus of superconducting magnet |
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2015
- 2015-09-23 CN CN201510611943.2A patent/CN105139993B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000357822A (en) * | 1998-12-30 | 2000-12-26 | General Electric Co <Ge> | Superconducting magnet suspension assembly |
| JP2004047712A (en) * | 2002-07-11 | 2004-02-12 | Sumitomo Heavy Ind Ltd | Superconducting magnet device |
| CN201141912Y (en) * | 2007-12-29 | 2008-10-29 | 西门子（中国）有限公司 | Shock-absorbing device for magnetic resonance system |
| CN201177660Y (en) * | 2008-02-29 | 2009-01-07 | 西门子（中国）有限公司 | Hanging device for superconducting magnet heat shield |
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| CN102062843A (en) * | 2010-11-23 | 2011-05-18 | 中国科学院电工研究所 | Open type superconductivity MRI (magnetic resonance imaging) magnet system with iron core and capable of cancelling electromagnetic force by self |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108939324A (en) * | 2018-08-29 | 2018-12-07 | 合肥中科离子医学技术装备有限公司 | A kind of pull rod pre-tightening mechanism for cyclotron superconducting magnet |
| CN108939324B (en) * | 2018-08-29 | 2023-07-18 | 合肥中科离子医学技术装备有限公司 | Pull rod pre-tightening mechanism for cyclotron superconducting magnet |
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| Publication number | Publication date |
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| CN105139993B (en) | 2017-08-04 |
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