Assembly tool for fusion device dewar bellows

Abstract

The application discloses an assembling tool for a fusion device Dewar bellows, comprising: a guide beam extending along a first direction; an adjusting assembly and a support frame, the adjusting assembly is arranged on the guide beam, the support frame is annular and is sleeved on the adjusting assembly, the guide beam is arranged on the radial inner side of the support frame, the support frame is used for supporting the Dewar bellows, the adjusting assembly is configured to drive the support frame to move in the first direction, the second direction and the third direction relative to the guide beam, and to drive the support frame to rotate around the guide beam, and the first direction, the second direction and the third direction intersect with each other. According to the assembling tool for the fusion device Dewar bellows, the position and the angle of the Dewar bellows can be adjusted during the Dewar bellows assembling process, and the constraint degree of the adjusting process by the assembling space is lower, so that the assembling difficulty of the Dewar bellows can be reduced, and the assembling precision is improved.

Description

Technical Field

[0001] This invention relates to the field of nuclear fusion technology, and in particular to an assembly tooling for a Dewar corrugated tube in a fusion device. Background Technology

[0002] Magnetic confinement fusion energy is considered the most promising way to solve humanity's energy crisis. The tokamak device is one of the most effective methods for studying magnetic confinement fusion energy. Its main components include a divertor, blanket, vacuum chamber, Dewar flask, cold shield, and magnets. The vacuum chamber window, Dewar flask window, biological shield window, and Dewar flask window are all connected to Dewar bellows. Their main function is to ensure the vacuum tightness of the fusion reactor's window positions and compensate for relative displacement of the window positions under various operating conditions; they are one of the important safety components of the fusion reactor device.

[0003] Existing technologies typically employ hoisting to assemble Dewar corrugated pipes. However, this method is constrained by the limited assembly space, making it difficult to adjust the position and angle of the Dewar corrugated pipes and thus significantly complicating the assembly process. Summary of the Invention

[0004] The present invention aims to at least solve one of the technical problems existing in the prior art. To this end, the present invention provides an assembly fixture for a Dewar bellows for a fusion device, which can reduce the assembly difficulty of the Dewar bellows.

[0005] The assembly fixture for a Dewar bellows tube in a fusion device according to the present invention includes: a guide beam extending along a first direction; an adjustment assembly and a support frame, the adjustment assembly being disposed on the guide beam, the support frame being annular and sleeved on the adjustment assembly, the guide beam being disposed radially inside the support frame, the support frame being used to support the Dewar bellows tube, the adjustment assembly being configured to drive the support frame to move relative to the guide beam in the first direction, a second direction, and a third direction, and to drive the support frame to rotate about the guide beam, wherein the first direction, the second direction, and the third direction intersect each other.

[0006] According to the assembly fixture for the Dewar bellows of a fusion device of the present invention, the position and angle of the Dewar bellows can be adjusted during the assembly process, and the adjustment process is less constrained by the assembly space, thereby reducing the assembly difficulty of the Dewar bellows and improving the assembly accuracy of the Dewar bellows.

[0007] According to some embodiments of the present invention, the adjustment assembly includes: a first load-bearing member, one of the first load-bearing member and the guide beam having a first guide rail, and the other having a first slider, the first guide rail extending along a first direction, the first slider being movably engaged with the first guide rail along the first direction, and the support frame being supported on the first load-bearing member.

[0008] According to some embodiments of the present invention, the adjustment assembly further includes: a first drive member that is telescopic in the first direction, the first drive member being connected between the first load member and the guide beam to drive the first load member to move relative to the guide beam in the first direction.

[0009] According to some embodiments of the present invention, the first load-bearing member is formed with a guide groove extending through the first load-bearing member in the first direction, the guide beam is disposed in the guide groove, the guide beam is provided with a plurality of first guide rails in the circumferential direction, and the inner wall of the guide groove is provided with a plurality of first sliders, the plurality of first sliders being respectively connected to the plurality of first guide rails.

[0010] According to some embodiments of the present invention, the adjustment assembly further includes: a second load-bearing member, one of the first load-bearing member and the second load-bearing member being provided with a second guide rail, and the other being provided with a second slider, the second guide rail extending along the second direction, the second slider being movably engaged with the second guide rail along the second direction, and the support frame being supported on the second load-bearing member.

[0011] According to some embodiments of the present invention, the adjustment assembly further includes: a second drive member that is retractable in the second direction, the second drive member being connected between the first load member and the second load member to drive the second load member to move relative to the first load member in the second direction.

[0012] According to some embodiments of the present invention, the adjustment assembly further includes: an adjustment bracket and a third drive member, the third drive member being extendable in the third direction, the third drive member being connected between the adjustment bracket and the second load member to drive the adjustment bracket to move in the third direction relative to the second load member, and the support frame being supported on the adjustment bracket.

[0013] According to some embodiments of the present invention, the third driving member is rotatably connected to the adjusting bracket, the second load member is provided with a first connecting portion, the adjusting bracket is provided with a second connecting portion, the first connecting portion and the second connecting portion are arranged at intervals in the second direction, and the adjusting assembly further includes: a fourth driving member that is telescopic along the length direction, the fourth driving member being connected between the first connecting portion and the second connecting portion to drive the adjusting bracket to rotate relative to the third driving member.

[0014] According to some embodiments of the present invention, there are multiple first connecting portions and multiple second connecting portions, and each corresponding to the other. The multiple fourth driving members are respectively disposed on both sides of the third driving member in the second direction.

[0015] According to some embodiments of the present invention, the assembly fixture for the Dewar bellows of the fusion device further includes: a support frame and a support rail, wherein the guide beam is fixed on the support frame, one end of the guide beam having the adjustment component extends out of the support frame in the first direction, and the support frame is movably disposed on the support rail along the first direction.

[0016] According to some embodiments of the present invention, the assembly fixture for the Dewar bellows of the fusion device further includes: a counterweight block, the counterweight block being connected to the support frame.

[0017] According to some embodiments of the present invention, the assembly fixture for the Dewar bellows of the fusion device further includes: a first support beam, a second support beam, and a tie rod. The first support beam extends along a first direction, the second support beam extends along a second direction, the first support beam is disposed on the support frame, the guide beam is provided with the first support beam on both sides of the second direction, the second support beam is connected to the first support beam, the counterweight is connected to the second support beam through the tie rod, and the counterweight is located below the guide beam.

[0018] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of an assembly fixture for a Dewar bellows tube for a fusion device and a nuclear fusion device according to an embodiment of the present invention.

[0020] Figure 2 This is a schematic diagram of an assembly fixture for a Dewar bellows tube for a fusion device according to an embodiment of the present invention.

[0021] Figure 3 yes Figure 2A schematic diagram of the support frame, adjustment assembly, and guide beam shown;

[0022] Figure 4 yes Figure 3 A schematic diagram of the support frame, adjustment assembly, and guide beam shown from another angle.

[0023] Figure label:

[0024] 100. Assembly fixtures for Dewar bellows tubes in fusion devices;

[0025] 10. Guide beam; 11. First guide rail; 12. Limiting block;

[0026] 20. Adjustment component; 21. First load-bearing component; 211. First slider; 212. First driving component; 213. Second guide rail; 214. Guide groove; 22. Second load-bearing component; 221. Second slider; 222. Second driving component; 223. First connecting part; 23. Adjustment bracket; 231. Third driving component; 232. Second connecting part; 233. Support plate; 234. Fourth driving component;

[0027] 30. Support frame;

[0028] 40. Support frame; 41. Support rail; 42. Frame slider;

[0029] 50. Counterweight;

[0030] 60. First support beam; 61. Second support beam; 62. Tie rod;

[0031] 200. Nuclear fusion device; 210. Biological shielding layer window; 220. Dewar corrugated pipe. Detailed Implementation

[0032] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0033] The following is for reference. Figures 1-4 An assembly fixture 100 for a Dewar bellows tube for a fusion device is described according to an embodiment of the present invention.

[0034] like Figure 1 and Figure 2 As shown, the assembly fixture 100 for the Dewar bellows of a fusion device according to an embodiment of the present invention includes: a guide beam 10, an adjustment assembly 20, and a support frame 30.

[0035] Specifically, the guide beam 10 is along a first direction (e.g., Figure 2 Extending in the front-to-back direction shown, the adjusting assembly 20 is mounted on the guide beam 10, and the support frame 30 is annular and sleeved on the adjusting assembly 20. The guide beam 10 is located radially inside the support frame 30, and the support frame 30 is used to support the Dewar bellows 220. The adjusting assembly 20 is configured to drive the support frame 30 relative to the guide beam 10 in a first direction and a second direction (e.g., the front-to-back direction shown). Figure 2 The left and right directions shown) and third directions (e.g.) Figure 2 The support frame 30 moves in the up and down directions shown in the diagram and is used to drive the support frame 30 to rotate around the guide beam 10. The first direction, the second direction, and the third direction intersect each other.

[0036] During the assembly of the Dewar corrugated tube 220 onto the nuclear fusion device 200, the Dewar corrugated tube 220 is first fitted onto the support frame 30, and then the support frame 30 is fitted onto the adjustment component 20. Subsequently, the Dewar corrugated tube 220 is extended into the assembly channel through the guide beam 10. Then, the relative position of the support frame 30 with respect to the guide beam 10 in the first, second, and third directions, as well as the angle of the support frame 30 and the guide beam 10, are adjusted through the adjustment component 20, thereby adjusting the relative position and angle of the Dewar corrugated tube 220 and the assembly channel.

[0037] Therefore, during the assembly of the Dewar corrugated pipe 220, the difficulty of adjusting the position and angle of the Dewar corrugated pipe 220 can be reduced. At the same time, in some smaller assembly spaces, compared with the prior art of adjusting the position and angle of the suspended Dewar corrugated pipe 220, the adjustment of the position and angle of the Dewar corrugated pipe 220 by operating the adjustment component 20 is less constrained by the assembly space.

[0038] The assembly channel can be a channel connecting the biological shielding layer window 210 and the Dewar window, or it can be a channel connecting the Dewar window and the vacuum chamber window. The adjustment component 20 can be equipped with a driving component to adjust the position and angle of the Dewar bellows 220, or the adjustment component 20 can be manually operated to adjust the position and angle of the Dewar bellows 220.

[0039] According to an embodiment of the present invention, the assembly fixture 100 for the Dewar bellows of a fusion device can adjust the position and angle of the Dewar bellows 220 during the assembly process, and the adjustment process is less constrained by the assembly space, thereby reducing the assembly difficulty of the Dewar bellows 220 and improving the assembly accuracy of the Dewar bellows 220.

[0040] In some embodiments of the present invention, such as Figure 3 and Figure 4As shown, the adjustment assembly 20 includes a first load-bearing component 21. One of the first load-bearing component 21 and the guide beam 10 is provided with a first guide rail 11, and the other is provided with a first slider 211. The first guide rail 11 extends along a first direction, and the first slider 211 is movably fitted onto the first guide rail 11 along the first direction. The support frame 30 is supported on the first load-bearing component 21. Therefore, during the assembly of the Dewar corrugated tube 220, by moving the first slider 211 along the first guide rail 11 in the first direction, the support frame 30 can drive the Dewar corrugated tube 220 to move in the first direction, thereby adjusting the position of the Dewar corrugated tube 220 in the first direction. Furthermore, the structure of the first guide rail 11 and the first slider 211 is relatively simple, which can reduce the design difficulty of the adjustment assembly 20.

[0041] Preferably, the support frame 30 is supported on the first load member 21 via the adjusting bracket 23, the third driving member 231, and the second load member 22. Specifically, the support frame 30 is supported on the adjusting bracket 23, the adjusting bracket 23 is supported on the second load member 22 via the third driving member 231, and the second load member 22 is supported on the first load member 21.

[0042] Preferably, the guide beam 10 is provided with two limiting blocks 12 arranged at intervals in the first direction. The first load member 21 moves between the two limiting blocks 12. In this way, the limiting blocks 12 can restrict the displacement path of the first load member 21 and prevent the first load member 21 from slipping off the guide beam 10.

[0043] In some embodiments of the present invention, such as Figure 3 and Figure 4 As shown, the adjustment assembly 20 further includes a first drive member 212 that is telescopic in a first direction. The first drive member 212 is connected between the first load member 21 and the guide beam 10 to drive the first load member 21 to move relative to the guide beam 10 in the first direction. This reduces the difficulty of adjusting the position of the Dewar bellows 220 in the first direction and improves the accuracy of the position adjustment of the Dewar bellows 220 in the first direction. Preferably, the first drive member 212 is a hydraulic push rod, and the adjustment accuracy of the first drive member 212 is ±0.5mm.

[0044] In some embodiments of the present invention, such as Figure 3 and Figure 4 As shown, the first load-bearing component 21 has a guide groove 214 extending through the first load-bearing component 21 in a first direction. The guide beam 10 is disposed in the guide groove 214. The guide beam 10 is provided with a plurality of first guide rails 11 in the circumferential direction. For example, there can be two or four first guide rails 11. The inner wall of the guide groove 214 is provided with a plurality of first sliders 211, and the plurality of first sliders 211 are respectively connected to the plurality of first guide rails 11.

[0045] Preferably, a first guide rail 11 is connected to a plurality of first sliders 211. In this way, each group of first sliders 211 and the first guide rail 11 can guide and support the first load-bearing component 21. Furthermore, the distribution of the first sliders 211 on the first load-bearing component 21 is more uniform, and the supporting force of the guide beam 10 on the first load-bearing component 21 is more uniformly distributed, thereby improving the stability of the first load-bearing component 21 moving on the guide beam 10 and the reliability of the connection.

[0046] In some embodiments of the present invention, such as Figure 3 and Figure 4 As shown, the adjustment assembly 20 also includes: a second load-bearing component 22, one of the first load-bearing component 21 and the second load-bearing component 22 is provided with a second guide rail 213, and the other is provided with a second slider 221. The second guide rail 213 extends along a second direction, and the second slider 221 is movably fitted onto the second guide rail 213 along the second direction. The support frame 30 is supported on the second load-bearing component 22.

[0047] Therefore, during the assembly of the Dewar bellows 220, the second load 22 can be moved in the second direction by the second slider 221 moving along the second direction on the second guide rail 213, thereby enabling the support frame 30 to drive the Dewar bellows 220 to move in the second direction, thus achieving the adjustment of the position of the Dewar bellows 220 in the second direction. Furthermore, the structure of the second guide rail 213 and the second slider 221 is relatively simple, which can reduce the design difficulty of the adjustment component 20.

[0048] The support frame 30 is supported on the first load-bearing member 21 by the second load-bearing member 22. When the first load-bearing member 21 moves relative to the guide beam 10 in the first direction, the first load-bearing member 21 can drive the second load-bearing member 22 to move in the first direction, thereby driving the support frame 30 and the Dewar corrugated pipe 220 to move in the first direction. Preferably, the support frame 30 is supported on the second load-bearing member 22 by the adjusting bracket 23 and the third driving member 231.

[0049] In some embodiments of the present invention, such as Figure 3 and Figure 4 As shown, the adjustment assembly 20 further includes a second drive member 222 that is telescopic in a second direction. The second drive member 222 is connected between the first load member 21 and the second load member 22 to drive the second load member 22 to move relative to the first load member 21 in the second direction. This reduces the difficulty of adjusting the position of the Dewar bellows 220 in the second direction and improves the accuracy of the position adjustment. Preferably, the second drive member 222 is a hydraulic push rod, and the adjustment accuracy of the second drive member 222 is ±0.5mm.

[0050] In some embodiments of the present invention, such as Figure 3 and Figure 4 As shown, the adjustment assembly 20 also includes an adjustment bracket 23 and a third drive member 231. The third drive member 231 is retractable in the third direction and is connected between the adjustment bracket 23 and the second load member 22 to drive the adjustment bracket 23 to move in the third direction relative to the second load member 22. The support frame 30 is supported on the adjustment bracket 23.

[0051] Therefore, during the assembly of the Dewar bellows 220, the adjustment bracket is driven to move in the third direction by the third driving component 231, which in turn enables the support frame 30 to move the Dewar bellows 220 in the third direction, thereby adjusting the position of the Dewar bellows 220 in the third direction. The third driving component 231 reduces the difficulty of adjusting the Dewar bellows 220 in the third direction and improves the accuracy of this adjustment. Preferably, the third driving component 231 is a hydraulic push rod with an adjustment accuracy of ±0.5mm. The adjustment bracket 23 is equipped with a support plate 233, and the third driving component 231 is connected to the support plate 233.

[0052] The support frame 30 is supported on the first load 21 by the adjusting bracket 23 and the second load 22. When the first load 21 moves in the first direction and the second load 22 moves in the second direction, the adjusting bracket 23 can drive the support frame 30 and the Dewar corrugated pipe 220 to move synchronously.

[0053] In some embodiments of the present invention, such as Figure 3 and Figure 4 As shown, the third driving member 231 is rotatably connected to the adjusting bracket 23. The second load member 22 is provided with a first connecting part 223, and the adjusting bracket 23 is provided with a second connecting part 232. The first connecting part 223 and the second connecting part 232 are arranged at intervals in the second direction. The adjusting assembly 20 also includes a fourth driving member 234 that is telescopic along the length direction. The fourth driving member 234 is connected between the first connecting part 223 and the second connecting part 232 to drive the adjusting bracket 23 to rotate relative to the third driving member 231.

[0054] During the assembly of the Dewar corrugated tube 220, when the angle of the Dewar corrugated tube 220 needs to be fixed, the fourth drive member 234 can provide support between the first connecting part 223 and the second connecting part 232, so that the Dewar corrugated tube 220 does not rotate relative to the third drive member 231. When the angle of the Dewar corrugated tube 220 needs to be adjusted, the fourth drive member 234 extends and retracts, thereby driving the adjusting bracket 23 to rotate relative to the third drive member 231. Thus, the support frame 30 can rotate around the guide beam 10, thereby realizing the adjustment of the angle of the Dewar corrugated tube 220.

[0055] By incorporating a fourth driving component 234, the difficulty of adjusting the angle of the Dewar bellows 220 can be reduced, and the accuracy of the angle adjustment can be improved. Preferably, the fourth driving component 234 is a hydraulic push rod, and the adjustment accuracy of the fourth driving component 234 is ±0.5mm. The third driving component 231 and the adjusting bracket 23 are rotatably connected via a spherical bearing.

[0056] In some embodiments of the present invention, such as Figure 3 and Figure 4 As shown, there are multiple first connecting parts 223 and two connecting parts 232, each corresponding to the other. For example, there can be four, six, or eight first connecting parts 223. Multiple fourth driving members 234 are respectively located on both sides of the third driving member 231 in the second direction. Thus, when the angle of the Dewar bellows 220 needs to be fixed, the fourth driving members 234 can support the adjusting bracket 23 on both sides of the third driving member 231, thereby improving the stability of the adjusting bracket. When the angle of the Dewar bellows 220 needs to be adjusted, the fourth driving member 234 on one side of the third driving member 231 extends, while the fourth driving member 234 on the other side retracts. This improves the stability and accuracy of the angle adjustment process of the Dewar bellows 220.

[0057] In some embodiments of the present invention, such as Figure 2 As shown, the assembly fixture 100 for the Dewar bellows of a fusion device further includes a support frame 40 and a support rail 41. A guide beam 10 is fixed to the support frame 40, and one end of the guide beam 10, equipped with an adjustment component 20, extends out of the support frame 40 in a first direction. The support frame 40 is movably mounted on the support rail 41 along the first direction. During the assembly of the Dewar bellows 220, the support frame 40 and the support rail 41 are moved to a set position, and then the support frame 40 is moved in the first direction. The support frame 30 and the Dewar bellows 220 are then inserted into the assembly channel via the guide beam 10. This reduces the difficulty of moving the guide beam 10 and further lowers the operational difficulty during the assembly of the Dewar bellows 220.

[0058] Preferably, a frame slider 42 is provided on the lower side of the support frame 40, and the support frame 40 is movably mounted on the support guide rail 41 along the first direction via the frame slider 42.

[0059] In some embodiments of the present invention, such as Figure 2As shown, the assembly fixture 100 for the Dewar bellows of the fusion device also includes a counterweight 50, which is connected to the support frame 40. It is understood that the guide beam 10 extends out of the support frame 40, and the centers of gravity of the adjusting assembly 20, the support frame 30, and the Dewar bellows 220 are located outside the support frame 40. The gravity of these components acting on the support frame 40 generates a rotational torque, affecting the stability and reliability of the support frame 40. By setting the counterweight 50, the torque generated by the gravity of the counterweight 50 can counteract the aforementioned rotational torque, thereby improving the stability of the Dewar bellows 220 during assembly and the reliability of the support frame 40 in supporting the guide beam 10.

[0060] In some embodiments of the present invention, such as Figure 2 As shown, the assembly fixture 100 for the Dewar bellows of the fusion device further includes: a first support beam 60, a second support beam 61, and a tie rod 62. The first support beam 60 extends along a first direction, and the second support beam 61 extends along a second direction. The first support beam 60 is mounted on the support frame 40. The guide beam 10 has first support beams 60 on both sides in the second direction. The second support beam 61 is connected to the first support beam 60. The counterweight 50 is connected to the second support beam 61 via the tie rod 62, and the counterweight 50 is located below the guide beam 10. This allows for the connection between the counterweight 50 and the support frame 40. Preferably, there are two first support beams 60 and two second support beams 61. The second support beam 61 is located above the guide beam 10. Multiple hydraulic rods are provided between the first support beam 60 and the support frame 40. These hydraulic rods are used to adjust the support height of the first support beam 60, thereby leveling the support surface of the first support beam 60.

[0061] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0062] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying 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 this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0063] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0064] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0065] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An assembly fixture for a Dewar bellows tube in a fusion device, characterized in that, include: A guide beam extending along a first direction; An adjusting assembly and a support frame are provided. The adjusting assembly is mounted on the guide beam, and the support frame is annular and sleeved on the adjusting assembly. The guide beam is located radially inside the support frame, and the support frame is used to support the Dewar corrugated pipe. The adjustment component is configured to drive the support frame to move relative to the guide beam in the first direction, the second direction, and the third direction, and to drive the support frame to rotate about the guide beam, wherein the first direction, the second direction, and the third direction intersect each other; The adjustment assembly includes: a first load-bearing component, one of the first load-bearing component and the guide beam having a first guide rail, and the other having a first slider, the first guide rail extending along the first direction, the first slider being movably engaged with the first guide rail along the first direction, and the support frame being supported on the first load-bearing component; The adjustment assembly further includes: a second load-bearing component, one of the first load-bearing component and the second load-bearing component is provided with a second guide rail, and the other is provided with a second slider. The second guide rail extends along the second direction, and the second slider is movably engaged with the second guide rail along the second direction. The support frame is supported on the second load-bearing component. The adjustment assembly further includes an adjustment bracket and a third drive member, the third drive member being extendable in the third direction, the third drive member being connected between the adjustment bracket and the second load member to drive the adjustment bracket to move in the third direction relative to the second load member, and the support frame being supported on the adjustment bracket.

2. The assembly fixture for the Dewar bellows of a fusion device according to claim 1, characterized in that, The adjustment assembly further includes: a first drive member that is retractable in the first direction, the first drive member being connected between the first load member and the guide beam to drive the first load member to move relative to the guide beam in the first direction.

3. The assembly fixture for the Dewar bellows of a fusion device according to claim 1, characterized in that, The first load-bearing component has a guide groove that extends through the first load-bearing component in the first direction. The guide beam is disposed in the guide groove. The guide beam is provided with a plurality of first guide rails in its circumferential direction. The inner wall of the guide groove is provided with a plurality of first sliders. The plurality of first sliders are respectively connected to the plurality of first guide rails.

4. The assembly fixture for a Dewar bellows tube in a fusion device according to claim 1, characterized in that, The adjustment assembly further includes a second drive member that is retractable in the second direction, the second drive member being connected between the first load member and the second load member to drive the second load member to move relative to the first load member in the second direction.

5. The assembly fixture for a Dewar bellows tube in a fusion device according to claim 1, characterized in that, The third driving member is rotatably connected to the adjusting bracket. The second load-bearing member is provided with a first connecting part, and the adjusting bracket is provided with a second connecting part. The first connecting part and the second connecting part are arranged at intervals in the second direction. The adjusting assembly further includes a fourth driving member that is telescopic along the length direction. The fourth driving member is connected between the first connecting part and the second connecting part to drive the adjusting bracket to rotate relative to the third driving member.

6. The assembly fixture for a Dewar bellows tube in a fusion device according to claim 5, characterized in that, Both the first connecting part and the second connecting part are multiple and correspond one-to-one, and the multiple fourth driving members are respectively disposed on both sides of the third driving member in the second direction.

7. The assembly fixture for a Dewar bellows tube in a fusion device according to any one of claims 1-6, characterized in that, Also includes: A support frame and a support rail are provided. The guide beam is fixed on the support frame. One end of the guide beam, which is equipped with the adjustment component, extends out of the support frame in the first direction. The support frame is movably disposed on the support rail along the first direction.

8. The assembly fixture for a Dewar bellows tube in a fusion device according to claim 7, characterized in that, Also includes: A counterweight block, which is connected to the support frame.

9. The assembly fixture for a Dewar bellows tube in a fusion device according to claim 8, characterized in that, Also includes: A first support beam, a second support beam, and a tie rod are provided. The first support beam extends along the first direction, and the second support beam extends along the second direction. The first support beam is disposed on the support frame. The guide beam is provided with the first support beam on both sides of the second direction. The second support beam is connected to the first support beam. The counterweight is connected to the second support beam through the tie rod, and the counterweight is located below the guide beam.

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