CN204577206U - A kind of superconducting magnet suspension strut structure - Google Patents

Abstract

A superconducting magnet suspension support structure, including a room temperature component, a low temperature component, and a suspension support; the room temperature component is a vacuum longitudinal annular container, including an upper end cover, a lower end cover, an outer cylinder wall, and an inner cylinder wall; the low temperature component is located in the room temperature component The suspension support includes an axial support rod and a radial support rod, the axial support rod connects the upper end cover of the room temperature component and the low temperature component, and the radial support rod connects the cylinder wall of the room temperature component and the low temperature component. The superconducting magnet suspension support structure of the utility model is aimed at the superconducting magnet whose axis is perpendicular to the horizontal plane, can meet higher assembly tolerance requirements, has good structural dynamic performance, less heat leakage in low-temperature systems, high strength, and good impact resistance. Superconducting magnets can be in a safe state under various complex working conditions.

Description

A superconducting magnet suspension support structure

technical field

The utility model relates to a suspension support structure of a superconducting magnet.

Background technique

A superconducting magnet consists of a room temperature part, a low temperature part placed inside the room temperature part, and a suspension support structure connecting the two. The low temperature part provides an extremely low temperature environment, such as a liquid helium temperature zone or a liquid nitrogen temperature zone, and the room temperature part is in contact with the atmospheric environment, and the temperature difference between the two is large, requiring less heat leakage from the suspension support structure. During the service period, superconducting magnets will bear different loads according to different usage scenarios. Vehicle-mounted, ship-borne or airborne superconducting magnets will withstand relatively large shocks and vibrations, which requires the superconducting magnet suspension support structure to have good Excellent impact and vibration resistance. Therefore, the installation of superconducting magnets has almost strict assembly relations between the low temperature part and the room temperature part, such as parallelism and coaxiality, etc., requiring the suspension support structure to have very good rigidity and stability, and convenient and flexible assembly and adjustment functions. Most of the current superconducting magnets are of horizontal structure, and the rigidity and stability of the suspension support structure are poor, and they cannot withstand large shocks and vibrations.

Utility model content

The utility model aims to provide a superconducting magnet suspension support structure, which has good rigidity and stability, can withstand relatively high impact and vibration, is easy to adjust the assembly relationship between the low temperature part and the room temperature part, and has less heat leakage in the low temperature part.

The technical scheme of the utility model is: a superconducting magnet suspension support structure, including room temperature components, low temperature components, and suspension supports; the room temperature components are vacuum longitudinal annular containers, including upper end caps, lower end caps, outer cylinder walls, and inner cylinder walls The low temperature component is located in the room temperature component; the suspension support includes an axial support rod and a radial support rod, the axial support rod connects the upper end cover of the room temperature component and the low temperature component, and the radial support rod connects the cylinder of the room temperature component walls and cryogenic parts.

Further, the upper part of the cryogenic component has an axial support block, the inner side of the upper end cover of the room temperature component is provided with a support block, and the axial support rod connects the axial support block of the low temperature component and the support block inside the upper end cover of the room temperature component.

Further, a seal pretensioner is provided outside the upper end cover of the room temperature component, and the axial support rod passes through the upper end cover and is connected with the seal pretensioner.

Further, there are at least two axial support rods, which are evenly distributed along the circumferential direction.

Further, the cryogenic component has radial support lugs, and the radial support rods are connected to the radial support lugs.

Further, the upper and lower ends of the cryogenic component are provided with radial support rods.

Further, there are at least two radial support rods at the upper and lower ends of the cryogenic component, which are evenly distributed along the circumferential direction.

Further, the radial support rod is provided with an adjustment block at the low temperature end.

Further, both ends of the radial support rods have spherical structures, such as spherical nuts or spherical washers, which are used to relieve stress during the cooling process.

Further, the radial support rod is connected with the inner cylinder wall of the room temperature component.

Further, the radial support rods are connected with the outer cylinder wall of the room temperature component.

Further, the cryogenic component may be a cryogenic container with a built-in superconducting coil, such as a liquid helium container or a liquid nitrogen container, or may be a cold shield structure, or may be a superconducting coil.

Further, the materials of the axial support rods and radial support rods are metals with low thermal conductivity, such as stainless steel and titanium alloy.

Further, the material of the axial support rod and the radial support rod is a composite material with low thermal conductivity, such as GFRP, CFRP boron fiber or Kevlar.

The superconducting magnet suspension support structure of the utility model is aimed at the superconducting magnet whose axis is perpendicular to the horizontal plane, can meet higher assembly tolerance requirements, has good structural dynamic performance, less heat leakage in low-temperature systems, high strength, and good impact resistance. Superconducting magnets can be in a safe state under various complex working conditions.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is A-A sectional view among Fig. 1;

Fig. 3 is a schematic diagram of another structural form of radial support;

Fig. 4 is a schematic diagram of another structural form of the axial support.

In the figure: 1-lower end cover, 2-inner cylinder wall, 3-outer cylinder wall, 4-upper end cover, 5-axial support rod, 6-support block, 7-axial support block, 8-low temperature component, 9 - Radial support lugs, 10 - inner cylinder support block, 11 - radial support rod, 12 - adjustment block, 13 - sealing pretensioner, 14 - room temperature components.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 and 2, a superconducting magnet suspension support structure of the utility model includes a room temperature component 14, a low temperature component 8, and a suspension support; the room temperature component 14 is a vacuum longitudinal annular container, including an upper end cover 4 and a lower end cover 1 , the outer cylinder wall 3, the inner cylinder wall 2; the low temperature component 8 is located in the room temperature component 14; the suspension support includes an axial support rod 5 and a radial support rod 11, and the axial support rod 5 is connected to the upper end of the room temperature component 14 The cover 4 and the low temperature component 8 , the radial support rod 11 connects the cylinder wall of the room temperature component 14 and the low temperature component 8 . The axial support rod 5 is parallel to the axis of the room temperature component 14 , and the radial support rod 11 is located on the radial line of the room temperature component 14 .

Further, there is an axial support block 7 on the upper part of the low temperature component 8, a support block 6 is provided inside the upper end cover 4 of the room temperature component 14, and an axial support rod 5 connects the axial support block 7 of the low temperature component 8 and the room temperature component 14 The support block 6 on the inner side of the upper end cover 4.

Further, the outer side of the upper end cover 4 of the room temperature component 14 is provided with a sealing pretensioning member 13, the axial support rod 5 passes through the upper end cover 4 and is connected to the sealing pretensioning member 13, and the sealing pretensioning member 13 has a sealing and an axial position Adjusted dual function.

Further, there are at least two axial support rods 5, which are evenly distributed along the circumferential direction.

Further, the cryogenic component 8 has radial support lugs 9 , and the radial support rods 11 are connected to the radial support lugs 9 .

Further, the upper and lower ends of the cryogenic component 8 are provided with radial support rods 11 .

Further, there are at least two radial support rods 11 at the upper and lower ends of the cryogenic component 8, which are evenly distributed along the circumferential direction.

Further, the radial support rod 11 is provided with an adjustment block 12 at the low temperature end, which is used for applying pretightening force and concentric adjustment.

Further, both ends of the radial support rod 11 have spherical structures, such as spherical nuts or spherical washers, for relieving and releasing the stress during the cooling process.

Further, the radial support rod 11 is connected with the inner cylinder wall 2 of the room temperature component.

Further, the radial support rods 11 are connected to the outer cylinder wall 3 of the room temperature component.

Further, the cryogenic component 8 may be a cryogenic container with a built-in superconducting coil, such as a liquid helium container or a liquid nitrogen container, or it may be a cold shield structure, or it may be a superconducting coil.

Further, the material of the axial support rod 5 and the radial support rod 11 is metal with low thermal conductivity, such as stainless steel and titanium alloy.

Further, the material of the axial support rod 5 and the radial support rod 11 is a composite material with low thermal conductivity, such as GFRP, CFRP boron fiber or Kevlar.

Certainly, the utility model also can have other various embodiments, under the situation of not departing from the spirit and essence of the utility model, those skilled in the art can make various corresponding changes and distortions according to the utility model, but these Corresponding changes and deformations should all belong to the scope of protection of the appended claims of the utility model.

Claims (10)

1. a superconducting magnet suspension strut structure, is characterized in that: comprise room temperature parts (14), low-temperature components (8), suspension strut; Described room temperature parts (14) are the longitudinal toroidal container of vacuum, comprise upper end cover (4), bottom end cover (1), outer tube wall (3), inner tube wall (2); Low-temperature components (8) is arranged in room temperature parts (14); Described suspension strut comprises axial support bar (5) and radial strut (11), described axial support bar (5) connects upper end cover (4) and the low-temperature components (8) of room temperature parts (14), and described radial strut (11) connects barrel and the low-temperature components (8) of room temperature parts (14).

2. superconducting magnet suspension strut structure according to claim 1, it is characterized in that: axial support block (7) is arranged at described low-temperature components (8) top, upper end cover (4) inner side of described room temperature parts (14) is provided with back-up block (6), and axial support bar (5) connects the axial support block (7) of low-temperature components (8) and the back-up block (6) of room temperature parts (14) upper end cover (4) inner side.

3. superconducting magnet suspension strut structure according to claim 1, it is characterized in that: upper end cover (4) arranged outside of described room temperature parts (14) has sealing preload piece (13), axial support bar (5) is connected with sealing preload piece (13) through upper end cover (4).

4. superconducting magnet suspension strut structure according to claim 1, is characterized in that: described axial support bar (5) has two at least, is along the circumferential direction uniformly distributed.

5. superconducting magnet suspension strut structure according to claim 1, it is characterized in that: described low-temperature components (8) has radial support hanger (9), described radial strut (11) is connected with radial support hanger (9).

6. superconducting magnet suspension strut structure according to claim 1, is characterized in that: the upper/lower terminal of described low-temperature components (8) is provided with radial strut (11).

7. superconducting magnet suspension strut structure according to claim 6, is characterized in that: the radial strut (11) of described low-temperature components (8) upper/lower terminal has two respectively at least, is along the circumferential direction uniformly distributed.

8. superconducting magnet suspension strut structure according to claim 1, is characterized in that: described radial strut (11) is provided with regulating block (12) in low-temperature end.

9. superconducting magnet suspension strut structure according to claim 1, is characterized in that: there is spherical structure at described radial strut (11) two ends.

10. superconducting magnet suspension strut structure according to claim 1, is characterized in that: described low-temperature components (8) is the low-temperature (low temperature) vessel of built-in superconducting coils, cold screen structure or superconductivity wire circle.