Turnover tool and method for general assembly of superconducting magnet and application

Abstract

The invention belongs to the field of superconducting magnet assembly. The invention particularly relates to an overturning tool and method for general assembly of a superconducting magnet and application. Comprising an upper supporting plate, a circular rotating shaft, a pressing screw rod, a lower supporting plate, a pipeline positioning tool and a hanging rod. The upper supporting plate and the lower supporting plate are connected with the two circular rotating shafts into a whole in a screwed mode, the pipeline positioning tool is fixed to the upper supporting plate in a screwed mode, the pressing screw rod presses and fixes the inner Dewar assembly in a screwed mode, and the hanging rod is connected and fixes the inner Dewar assembly in a screwed mode. The tool is simple in structure and convenient to install, has very high reliability, fully considers the fixing reliability of the inner Dewar assembly and the convenience of disassembling the tool in the assembling process, achieves positioning and overturning of the magnet in the assembling process, and can effectively improve the assembling efficiency.

Description

Technical Field

[0001] This invention relates to the field of superconducting magnet assembly; specifically, it relates to a flipping fixture, method, and application for the final assembly of superconducting magnets. Background Technology

[0002] The description of the background art in this invention pertains to related technologies and is used merely for illustration and to facilitate understanding of the invention. It should not be construed as the applicant explicitly believing or presuming that the invention was prior art on the filing date of the first application.

[0003] A superconducting magnet is an electromagnet made of superconducting materials and is a core component of maglev trains, providing stable magnetic field support for the train's levitation, propulsion, and guidance. A typical superconducting magnet consists of two sets of inner Dewar assemblies. The manufacturing process of a superconducting magnet involves numerous and complex procedures, particularly the piping and electrical connections between the two sets of inner Dewar assemblies, which places high demands on the assembly tooling. Summary of the Invention

[0004] The purpose of this invention is to provide a flipping fixture, method, and application for the assembly of superconducting magnets. Its structure is simple, easy to install, and highly reliable. It fully considers the reliability of the inner Dewar assembly fixation during assembly and the ease of disassembling the fixture, realizing the positioning and flipping of the magnet during assembly, effectively improving assembly efficiency.

[0005] An assembly and flipping fixture for superconducting magnet assembly includes an upper support plate, a circular rotating shaft, a clamping screw, a lower support plate, a pipeline positioning fixture, and a lifting rod. The upper and lower support plates are connected to two circular rotating shafts by screws to form a whole. The pipeline positioning fixture is fixed to the upper support plate by screws. The clamping screw clamps and fixes the inner Dewar assembly by screws. The lifting rod is connected and fixed to the inner Dewar assembly by screws.

[0006] Furthermore, the upper and lower support plates are welded together from rectangular steel pipes and connecting blocks to support the inner Dewar assembly.

[0007] Furthermore, the circular shaft is welded together from a cylindrical shaft and a rectangular steel tube, and is used to achieve the flipping of the tooling.

[0008] Furthermore, the number of the circular rotating shafts is two, with the two circular rotating shafts respectively set at both ends of the upper support plate and the lower support plate.

[0009] Furthermore, the clamping screw includes a first sleeve, a screw, and a second sleeve; the first sleeve and the second sleeve are respectively sleeved on both ends of the screw; used to fix the upper and lower support plates and clamp the inner Dewar assembly.

[0010] Furthermore, the pipeline positioning fixture is machined from rectangular steel pipes and steel plates, and is used for interface positioning during the welding of internal Dewar pipelines.

[0011] Furthermore, the lifting rods are directly machined and used to connect the inner Dewar assembly for hoisting into the outer Dewar.

[0012] A method for using a final assembly flipping fixture for superconducting magnet assembly, characterized by employing the aforementioned flipping fixture; comprising the following steps:

[0013] The inner Dewar assembly is supported by an upper and lower support plate, and fixed by a clamping screw. Rotation is achieved by rotating a circular shaft. During rotation, operations on the top and back of the inner Dewar assembly are performed. A pipe positioning fixture is used to position the interfaces during the welding of the inner Dewar pipes. The inner Dewar assembly is hoisted into the outer Dewar using a lifting rod.

[0014] Furthermore, the method for using the assembly flipping fixture for superconducting magnet assembly includes the following steps:

[0015] (1) The upper support plate is screwed together with the first and second circular shafts, and the circular shafts are connected and fixed to the turntable;

[0016] (2) Rotate the upper support plate to the downward position, hoist the two inner Dewars onto the upper support plate, and press and fix the inner Dewars with 8 sets of clamping screws 3;

[0017] (3) Secure the pipeline positioning fixture to the upper support plate by screwing it in place;

[0018] (4) Perform front-side assembly and pipe welding operations on the inner duwa;

[0019] (5) After the assembly operation is completed, remove the 8 sets of clamping screws;

[0020] (6) Screw the lower support plate together with the first and second circular shafts, and reinstall the 8 sets of clamping screws;

[0021] (7) Rotate the turntable 180 degrees, with the lower support plate facing downwards. Remove the 8 sets of clamping screws, remove the screws that fix the upper support plate to the first and second circular shafts, and hoist and remove the upper support plate.

[0022] (8) Install 8 sets of clamping screws and perform the assembly operation on the back of the inner Dewar;

[0023] (9) After the assembly operation is completed, remove the 8 sets of clamping screws;

[0024] (10) Screw the upper support plate together with the first and second circular shafts, and reinstall the 8 sets of clamping screws;

[0025] (11) Secure the four sets of hangers to the inner Dewar assembly with screws;

[0026] (12) Rotate the turntable 180 degrees, with the upper support 1 in the downward position. Remove 8 sets of clamping screws, remove the screws that fix the lower support plate to the first and second circular shafts, and lift and remove the lower support plate.

[0027] (13) Install 8 sets of clamping screws and perform the assembly operation on the back of the inner Dewar;

[0028] (14) After the assembly operation is completed, the turntable rotates 180 degrees, the upper support plate is in the upward position, and the 8 sets of clamping screws 3 are removed.

[0029] (15) Use a hook to suspend the upper support plate and remove the screws that fix the upper support plate to the first and second circular shafts;

[0030] (16) At this time, the upper support plate is connected to the two sets of inner Dewar components through 4 sets of lifting rods, and the upper support plate and the two sets of inner Dewar components are hoisted into the outer Dewar using hooks;

[0031] (17) Remove the four sets of lifting rods that connect the upper support plate to the two sets of inner Dewar components, and lift the upper support plate with the hook;

[0032] (18) Complete the assembly of the two sets of inner Dewar components and outer Dewar.

[0033] The aforementioned assembly and flipping fixture for superconducting magnet assembly is applied to the assembly of the inner Dewar assembly and the outer Dewar assembly.

[0034] The embodiments of the present invention have the following beneficial effects:

[0035] The superconducting magnet assembly flipping fixture provided by this invention has a simple structure, is easy to install, and has high reliability. It fully considers the reliability of fixing the inner Dewar assembly during assembly and the convenience of disassembling the fixture, which can effectively improve assembly efficiency. Attached Figure Description

[0036] Fig. 1 Schematic diagram of the superconducting magnet assembly flipping fixture structure;

[0037] Fig. 2 Schematic diagram of the clamping screw structure;

[0038] Fig. 3 Assembly drawing of the final assembly flip tooling and inner Dewar assembly. Detailed Implementation

[0039] The present application will be further described below with reference to the embodiments.

[0040] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, in the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Different embodiments can be substituted or combined, and for those skilled in the art, other implementation methods can be obtained based on these embodiments without creative effort.

[0041] The superconducting magnet contains two sets of inner Dewar assemblies. The inner Dewars are connected by tubing for fluid delivery and venting. Operations on the inner Dewars include attaching aluminum foil to the front and back, SI wrapping, and laying cables. All of these operations require the inner Dewar assemblies to be in both front and back states during assembly.

[0042] Combined with appendix Figs. 1-3 An assembly and flipping fixture for superconducting magnet assembly includes an upper support plate, a circular rotating shaft, a clamping screw, a lower support plate, a pipeline positioning fixture, and a lifting rod. The upper and lower support plates are connected to two circular rotating shafts by screws to form a whole. The pipeline positioning fixture is fixed to the upper support plate by screws. The clamping screw clamps and fixes the inner Dewar assembly by screws. The lifting rod is connected and fixed to the inner Dewar assembly by screws.

[0043] The clamping screw includes a first sleeve 31, a screw 32, and a second sleeve 33; the first sleeve 31 and the second sleeve 33 are respectively sleeved on both ends of the screw 32; used to fix the upper and lower support plates and clamp the inner Dewar assembly.

[0044] The specific operating steps are as follows:

[0045] 1. Screw the upper support plate 1 together with the circular rotating shaft 2 and the circular rotating shaft 6, and connect and fix the circular rotating shaft to the turntable;

[0046] 2. Rotate the upper support plate 1 to the downward position, hoist the two inner Dewars onto the lower support plate 1, and press and fix the inner Dewars with 8 sets of clamping screws 3;

[0047] 3. Secure the pipeline positioning fixture 5 to the upper support plate 1 by screwing it in place;

[0048] 4. Perform front-side assembly and pipe welding operations on the inner duwa;

[0049] 5. After the assembly operation is completed, remove the 8 sets of clamping screws 3;

[0050] 6. Screw the lower support plate 4 together with the circular shaft 2 and the circular shaft 6, and reinstall the 8 sets of clamping screws 3;

[0051] 7. Rotate the turntable 180 degrees, with the lower support plate 4 facing downwards. Remove the 8 sets of clamping screws 3, remove the screws that fix the upper support plate 1 to the circular shaft 2 and the circular shaft 6, and hoist and remove the upper support plate 1.

[0052] 8. Install 8 sets of clamping screws and perform the assembly operation on the back of the inner Dewar;

[0053] 9. After the assembly operation is completed, remove the 8 sets of clamping screws 3;

[0054] 10. Screw the upper support plate 1 together with the circular shaft 2 and the circular shaft 6, and reinstall the 8 sets of clamping screws 3;

[0055] 11. Secure the four sets of hangers 7 to the inner Dewar assembly using screws;

[0056] 12. Rotate the turntable 180 degrees, with the upper support 1 facing downwards. Remove the 8 sets of clamping screws 3, remove the screws that fix the lower support plate 4 to the circular shaft 2 and the circular shaft 6, and hoist and remove the lower support plate 4.

[0057] 13. Install 8 sets of clamping screws and perform the assembly operation on the back of the inner Dewar;

[0058] 14. After the assembly operation is completed, rotate the turntable 180 degrees so that the upper support plate 1 is in the upward position, and remove the 8 sets of clamping screws 3;

[0059] 15. Use a hook to suspend the upper support plate 1 and remove the screws that fix the upper support plate 1 to the circular shaft 2 and the circular shaft 6;

[0060] 16. At this time, the upper support plate 1 is connected to the two sets of inner Dewar assemblies through 4 sets of lifting rods 7, and the upper support plate 1 and the two sets of inner Dewar assemblies are hoisted into the outer Dewar using hooks;

[0061] 17. Remove the four sets of lifting rods 7 that connect the upper support plate 1 to the two sets of inner Dewar assemblies, and lift the upper support plate 1 with the hook;

[0062] 18. Complete the assembly of the two sets of inner Dewar components and outer Dewar.

[0063] The superconducting magnet assembly and flipping fixture of the present invention has a simple structure, is easy to install, and has high reliability. It fully considers the reliability of fixing the inner Dewar assembly during assembly and the convenience of disassembling the fixture, realizing the positioning and flipping of the magnet during the assembly process, which can effectively improve the assembly efficiency.

[0064] It should be noted that the above embodiments can be freely combined as needed. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A final assembly flipping fixture for assembling superconducting magnets, characterized in that, It includes an upper support plate, a circular rotating shaft, a clamping screw, a lower support plate, a pipeline positioning fixture, and a hanger rod; the upper and lower support plates are connected to the two circular rotating shafts as a whole by screwing, the pipeline positioning fixture is fixed to the upper support plate by screwing, the clamping screw is clamped to fix the inner Dewar assembly by screwing, and the hanger rod is connected to fix the inner Dewar assembly by screwing.

2. The assembly and flipping fixture for superconducting magnet assembly according to claim 1, characterized in that, The upper and lower support plates are welded together from rectangular steel pipes and connecting blocks, and are used to support the inner Dewar assembly.

3. The assembly and flipping fixture for superconducting magnet assembly according to claim 1, characterized in that, The circular shaft is welded from a cylindrical shaft and a rectangular steel tube, and is used to achieve the flipping of the tooling.

4. The assembly and flipping fixture for superconducting magnet assembly according to claim 3, characterized in that, The number of the circular rotating shafts is 2, and the two circular rotating shafts are respectively set at both ends of the upper support plate and the lower support plate.

5. The assembly and flipping fixture for superconducting magnet assembly according to claim 1, characterized in that, The clamping screw includes a first sleeve, a screw, and a second sleeve; the first sleeve and the second sleeve are respectively sleeved on both ends of the screw; used to fix the upper and lower support plates and clamp the inner Dewar assembly.

6. The assembly and flipping fixture for superconducting magnet assembly according to claim 1, characterized in that, The pipeline positioning fixture is machined from rectangular steel pipes and steel plates and is used for interface positioning during the welding of internal Dewar pipelines.

7. The assembly and flipping fixture for superconducting magnet assembly according to claim 1, characterized in that, The lifting rod is directly machined and used to connect the inner Dewar assembly for hoisting into the outer Dewar.

8. A method of using a final assembly flipping fixture for assembling superconducting magnets, characterized in that, The process is completed using the reversing fixture described in any one of claims 1-7, comprising the following steps: The inner Dewar assembly is supported by an upper and lower support plate, and fixed by a clamping screw. Rotation is achieved by rotating a circular shaft. During rotation, operations on the top and back of the inner Dewar assembly are performed. A pipe positioning fixture is used to position the interfaces during the welding of the inner Dewar pipes. The inner Dewar assembly is hoisted into the outer Dewar using a lifting rod.

9. The method of using the assembly flipping fixture for superconducting magnet assembly according to claim 8, characterized in that, Includes the following steps: (1) The upper support plate is screwed together with the first and second circular shafts, and the circular shafts are connected and fixed to the turntable; (2) Rotate the upper support plate to the downward position, hoist the two inner Dewars onto the upper support plate, and press and fix the inner Dewars with 8 sets of clamping screws 3; (3) Secure the pipeline positioning fixture to the upper support plate by screwing it in place; (4) Perform front-side assembly and pipe welding operations on the inner duwa; (5) After the assembly operation is completed, remove the 8 sets of clamping screws; (6) Screw the lower support plate together with the first and second circular shafts, and reinstall the 8 sets of clamping screws; (7) Rotate the turntable 180 degrees, with the lower support plate facing downwards. Remove the 8 sets of clamping screws, remove the screws that fix the upper support plate to the first and second circular shafts, and hoist and remove the upper support plate. (8) Install 8 sets of clamping screws and perform the assembly operation on the back of the inner Dewar; (9) After the assembly operation is completed, remove the 8 sets of clamping screws; (10) Screw the upper support plate together with the first and second circular shafts, and reinstall the 8 sets of clamping screws; (11) Secure the four sets of hangers to the inner Dewar assembly with screws; (12) Rotate the turntable 180 degrees, with the upper support 1 in the downward position. Remove 8 sets of clamping screws, remove the screws that fix the lower support plate to the first and second circular shafts, and lift and remove the lower support plate. (13) Install 8 sets of clamping screws and perform the assembly operation on the back of the inner Dewar; (14) After the assembly operation is completed, the turntable rotates 180 degrees, the upper support plate is in the upward position, and the 8 sets of clamping screws 3 are removed. (15) Use a hook to suspend the upper support plate and remove the screws that fix the upper support plate to the first and second circular shafts; (16) At this time, the upper support plate is connected to the two sets of inner Dewar components through 4 sets of lifting rods, and the upper support plate and the two sets of inner Dewar components are hoisted into the outer Dewar using hooks; (17) Remove the four sets of lifting rods that connect the upper support plate to the two sets of inner Dewar components, and lift the upper support plate with the hook; (18) Complete the assembly of the two sets of inner Dewar components and outer Dewar.

10. The assembly and flipping fixture for superconducting magnet assembly according to any one of claims 1-7 is applied to the assembly of the inner Dewar assembly and the outer Dewar.

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