A magnetic ring positioning mechanism and a loading chamber

Abstract

The application belongs to the technical field of particle accelerators, and discloses a magnetic ring positioning mechanism and a loading chamber. The magnetic ring positioning mechanism comprises a supporting plate, an adjusting piece and a pressing piece. The supporting plate comprises a supporting plane for supporting the magnetic ring. The adjusting piece comprises an abutting sidewall for abutting with the outer peripheral wall of the magnetic ring. The adjusting piece is connected to the supporting plate, and the relative position of the adjusting piece and the supporting plate is adjustable along the radial direction of the magnetic ring. The pressing piece is connected to the supporting plate. The pressing piece comprises a pressing plane for pressing against the end face of the magnetic ring. Along the axial direction of the magnetic ring, the supporting plane and the pressing plane jointly clamp the fixed magnetic ring. The relative position of the pressing piece and the supporting plate is adjustable along the axial direction of the magnetic ring. The magnetic ring positioning mechanism realizes positioning in the axial direction and the radial direction of the magnetic ring, guarantees the reliability of the positioning and support of the magnetic ring, and has good adaptability.

Description

Technical Field

[0001] This invention relates to the field of particle accelerator technology, and in particular to a magnetic ring positioning mechanism and a loading chamber. Background Technology

[0002] The loading chamber is a crucial device for beam power enhancement, and the magnetic ring is its core component. During operation, the magnetic ring needs to be installed within the chamber body, and its reliable positioning within the chamber is essential for safe and stable operation. Current positioning mechanisms cannot achieve stable positioning of the magnetic ring in all directions within the chamber body, resulting in poor reliability. Furthermore, they cannot accommodate thickness and diameter errors in the magnetic ring, leading to poor adaptability.

[0003] Therefore, there is an urgent need for a magnetic ring positioning mechanism and a loading chamber to solve the above problems. Summary of the Invention

[0004] The purpose of this invention is to provide a magnetic ring positioning mechanism and a loading chamber to achieve positioning of the magnetic ring in the axial and radial directions, ensure the reliability of the magnetic ring positioning support, and improve the adaptability of the magnetic ring positioning mechanism.

[0005] To achieve this objective, the present invention adopts the following technical solution: A magnetic ring positioning mechanism, comprising: A support plate, the support plate including a support plane for supporting a magnetic ring; An adjusting member includes an abutting sidewall for abutting against the outer peripheral wall of the magnetic ring, the adjusting member is connected to the support plate, and the relative position of the adjusting member and the support plate is adjustable along the radial direction of the magnetic ring; A pressing member is connected to the supporting plate. The pressing member includes a pressing plane for pressing against the end face of the magnetic ring. Along the axial direction of the magnetic ring, the supporting plane and the pressing plane together clamp and fix the magnetic ring. The relative position of the pressing member and the supporting plate is adjustable along the axial direction of the magnetic ring.

[0006] Alternatively, the adjusting member is located between the supporting plate and the pressing member. The supporting plate includes a first adjusting slope along the radial direction of the magnetic ring. The first adjusting slope is inclined toward the pressing member or the supporting plate from one end near the supporting plane to the end away from the supporting plane. The adjusting member includes a second adjusting slope that fits against the first adjusting slope and is movable along the first adjusting slope.

[0007] As an optional solution, the magnetic ring positioning mechanism further includes: The first leveling assembly includes at least two first leveling bolts, which are spaced apart on the pressure member. Each first leveling bolt is threadedly connected to the pressure member, and one end of each first leveling bolt is screwed through the pressure member and abuts against the support plate.

[0008] As an optional solution, the magnetic ring positioning mechanism further includes: A first locking member is threadedly connected to the pressing member, and the first locking member passes through the pressing member and is threadedly connected to the supporting plate.

[0009] As an optional solution, the magnetic ring positioning mechanism further includes: The second leveling assembly includes at least two second leveling bolts, which are spaced apart on the adjusting member. Each second leveling bolt is threaded to the adjusting member, and one end of each second leveling bolt is screwed through the adjusting member and abuts against the supporting plate.

[0010] As an optional feature, the adjusting member has an elongated hole that extends radially along the magnetic ring. The magnetic ring positioning mechanism further includes: The second locking member passes through the elongated hole and is threadedly connected to the support plate.

[0011] As an optional solution, the pressing member is provided with a positioning groove, the bottom of the positioning groove is used to support the guide plate, and along the axial direction of the magnetic ring, the pressing plane and the bottom of the groove are respectively located on opposite sides of the pressing member.

[0012] As an optional solution, the supporting plate, the adjusting member, and the pressing member are all made of high-density polyethylene.

[0013] A loading chamber includes a chamber body, a magnetic ring, and a plurality of magnetic ring positioning mechanisms as described above. The magnetic ring and the plurality of magnetic ring positioning mechanisms are all located within the chamber body, and the plurality of magnetic ring positioning mechanisms are arranged at intervals along the circumferential direction of the magnetic ring.

[0014] As an optional embodiment, the loading chamber includes a plurality of magnetic rings, which are arranged sequentially at intervals along the axial direction of the magnetic rings within the chamber body. Each magnetic ring is provided with a plurality of magnetic ring positioning mechanisms at intervals in the circumferential direction. The supporting plate is mounted on the bottom plate of the chamber body or on the pressing member of the magnetic ring positioning mechanism located in the lower layer.

[0015] The beneficial effects of this invention are: The magnetic ring positioning mechanism provided by this invention comprises a support plate and a pressing member. The support plate has a support plane for supporting the magnetic ring, and the pressing member has a pressing plane for pressing against the end face of the magnetic ring. Along the axial direction of the magnetic ring, the support plane and the pressing plane together clamp and fix the magnetic ring, thereby achieving axial positioning support for the magnetic ring. Furthermore, this magnetic ring positioning mechanism includes an adjusting member, whose abutting sidewall abuts against the outer peripheral wall of the magnetic ring, thereby achieving radial positioning of the magnetic ring. In addition, the relative position of the pressing member and the support plate is adjustable along the axial direction of the magnetic ring, thereby compensating for errors in the thickness direction of the magnetic ring, and the relative position of the adjusting member and the support plate is adjustable along the radial direction of the magnetic ring, thereby compensating for errors in the diameter direction of the magnetic ring. This not only ensures the reliability of the magnetic ring positioning support but also improves the adaptability of the magnetic ring positioning mechanism.

[0016] The loading chamber provided by the present invention achieves positioning of the magnetic ring in the axial and radial directions by applying the above-mentioned magnetic ring positioning mechanism, thus ensuring the reliability of the magnetic ring positioning support. Attached Figure Description

[0017] Figure 1 This is a first structural schematic diagram of the magnetic ring positioning mechanism provided in an embodiment of the present invention; Figure 2 This is a schematic diagram of the second structure of the magnetic ring positioning mechanism provided in an embodiment of the present invention; Figure 3 This is a schematic diagram of the third structure of the magnetic ring positioning mechanism provided in an embodiment of the present invention; Figure 4 This is a structural cross-sectional view of the magnetic ring positioning mechanism provided in an embodiment of the present invention; Figure 5 This is a partial structural cross-sectional view of the loading chamber (a magnetic ring is disposed inside the chamber body) provided in an embodiment of the present invention; Figure 6 This is a schematic diagram of the loading chamber provided in an embodiment of the present invention; Figure 7 This is a partial structural cross-sectional view of the loading chamber (with multiple magnetic rings disposed within the chamber body) provided in an embodiment of the present invention.

[0018] In the picture: 100. Magnetic ring positioning mechanism; 200. Magnetic ring; 300. Guide plate; 400. Chamber body; 410. Base plate; 1. Support plate; 11. Support plane; 12. First adjusting slope; 2. Adjusting component; 21. Abutting side wall; 22. Second adjusting slope; 23. Long slot hole; 3. Pressing component; 31. Pressing plane; 32. Positioning groove; 33. Groove bottom; 4. First leveling assembly; 41. First leveling bolt; 5. First locking component; 6. Second leveling assembly; 61. Second leveling bolt; 7. Second locking component; 8. Third locking component. Detailed Implementation

[0019] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar components or components 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.

[0020] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or 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.

[0021] In the description of this invention, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0022] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0023] The magnetic ring positioning mechanism in the related technology cannot achieve stable positioning of the magnetic ring in all directions within the cavity body, resulting in poor reliability. Furthermore, it cannot coordinate the thickness and diameter errors of the magnetic ring, leading to poor adaptability.

[0024] To solve the above problems, such as Figures 1-5As shown, this embodiment provides a magnetic ring positioning mechanism 100, which includes a support plate 1, an adjusting member 2, and a pressing member 3. The support plate 1 includes a support plane 11 for supporting the magnetic ring 200. The adjusting member 2 includes an abutting side wall 21 for abutting against the outer peripheral wall of the magnetic ring 200. The adjusting member 2 is connected to the support plate 1, and the relative position between the adjusting member 2 and the support plate 1 is adjustable along the radial direction of the magnetic ring 200. The pressing member 3 is connected to the support plate 1 and includes a pressing plane 31 for abutting against the end face of the magnetic ring 200. Along the axial direction of the magnetic ring 200, the support plane 11 and the pressing plane 31 together clamp and fix the magnetic ring 200, and the relative position between the pressing member 3 and the support plate 1 is adjustable along the axial direction of the magnetic ring 200. The magnetic ring positioning mechanism 100 provided in this embodiment, by setting a supporting plate 1 and a pressing member 3, allows the supporting plane 11 and the pressing plane 31 to jointly clamp and fix the magnetic ring 200 along the axial direction of the magnetic ring 200, thereby achieving positioning support for the magnetic ring 200 in the axial direction. Furthermore, by setting an adjusting member 2, the abutting sidewall 21 of the adjusting member 2 abuts against the outer peripheral wall of the magnetic ring 200, thereby achieving positioning of the magnetic ring 200 in the radial direction. In addition, the relative position of the pressing member 3 and the supporting plate 1 is adjustable along the axial direction of the magnetic ring 200, thereby coordinating errors in the thickness direction of the magnetic ring 200, and the relative position of the adjusting member 2 and the supporting plate 1 is adjustable along the radial direction of the magnetic ring 200, thereby coordinating errors in the diameter direction of the magnetic ring 200. This not only ensures the reliability of the positioning support for the magnetic ring 200 but also improves the adaptability of the magnetic ring positioning mechanism 100.

[0025] Optionally, in this embodiment, as Figure 5 and Figure 6As shown, both the magnetic ring positioning mechanism 100 and the magnetic ring 200 are located within the chamber body 400, enabling the magnetic ring positioning mechanism 100 to provide positioning support for the magnetic ring 200 within the chamber body 400. Optionally, the magnetic ring positioning mechanism 100 is located in the gap between the chamber body 400 and the magnetic ring 200, allowing the magnetic ring positioning mechanism 100 to provide positioning support for the magnetic ring 200 within the confined space of the chamber body 400. Optionally, the chamber body 400 is annular, and the magnetic ring 200 is coaxially arranged with the chamber body 400. The side of the magnetic ring positioning mechanism 100 near the inner peripheral wall of the chamber body 400 is arc-shaped, and the side of the magnetic ring positioning mechanism 100 near the outer peripheral wall of the magnetic ring 200 is also arc-shaped. This allows the magnetic ring positioning mechanism 100 to adapt to the gap between the inner wall of the chamber body 400 and the magnetic ring 200, ensuring that the magnetic ring positioning mechanism 100 can achieve positioning and support of the magnetic ring 200 within the narrow space of the chamber body 400. Specifically, in this embodiment, the sides of the supporting plate 1, the adjusting member 2, and the pressing member 3 near the inner peripheral wall of the chamber body 400 are arc-shaped, and the sides of the supporting plate 1, the adjusting member 2, and the pressing member 3 near the outer peripheral wall of the magnetic ring 200 are also arc-shaped. Optionally, the abutting sidewall 21 is arc-shaped to ensure the tightness of the abutting sidewall 21 against the outer peripheral wall of the magnetic ring 200 and to ensure the positioning effect of the abutting sidewall 21 on the magnetic ring 200.

[0026] Optionally, such as Figure 6 As shown, multiple magnetic ring positioning mechanisms 100 are spaced apart circumferentially on the magnetic ring 200. These multiple positioning mechanisms 100 work together to position and support the magnetic ring 200, further ensuring the reliability of its positioning and support. Optionally, in this embodiment, four magnetic ring positioning mechanisms 100 are spaced apart circumferentially on the magnetic ring 200. In other embodiments, three, five, or more magnetic ring positioning mechanisms 100 are spaced apart circumferentially on the magnetic ring 200. The specific number and arrangement of the magnetic ring positioning mechanisms 100 can be set according to requirements.

[0027] In this embodiment, the supporting plate 1, the adjusting member 2, and the pressing member 3 are all made of high-density polyethylene (HDPE). HDPE has the advantage of high strength, ensuring the stability of the support for the magnetic ring 200. Furthermore, HDPE has a certain degree of elasticity, making it less likely to damage the magnetic ring 200, thus improving the protection of the magnetic ring 200. In other embodiments, the supporting plate 1, the adjusting member 2, and the pressing member 3 can also be made of other materials with high structural strength and less likely to scratch the magnetic ring 200.

[0028] Optionally, in this embodiment, as Figures 1-4As shown, the adjusting member 2 is located between the supporting plate 1 and the pressing member 3. The supporting plate 1 includes a first adjusting slope 12, which slopes towards the pressing member 3 from one end near the supporting plane 11 to the end away from the supporting plane 11 along the radial direction of the magnetic ring 200. The adjusting member 2 includes a second adjusting slope 22, which fits against the first adjusting slope 12 and can move along the first adjusting slope 12, thereby adjusting the position of the adjusting member 2 along the radial direction of the magnetic ring 200. The above arrangement makes the structure of the entire magnetic ring positioning mechanism 100 more compact and facilitates the adjustment of the position of the adjusting member 2 within the small space of the chamber body 400. In this embodiment, when the second adjusting slope 22 moves along the first adjusting slope 12 toward the pressing member 3, the adjusting member 2 moves away from the magnetic ring 200 in the radial direction of the magnetic ring 200. When the second adjusting slope 22 moves along the first adjusting slope 12 toward the supporting plate member 1, the adjusting member 2 moves closer to the magnetic ring 200 in the radial direction of the magnetic ring 200. Optionally, in this embodiment, the end of the first adjusting slope 12 near the supporting plane 11 is connected to the supporting plane 11, making the structure of the entire magnetic ring positioning mechanism 100 more compact and reasonable. In other embodiments, the first adjusting slope 12 is inclined toward the supporting plate member 1 from the end near the supporting plane 11 to the end away from the supporting plane 11, as long as the second adjusting slope 22 fits and conforms to the first adjusting slope 12.

[0029] In this embodiment, as Figure 1 and Figure 2 As shown, the magnetic ring positioning mechanism 100 also includes a first leveling component 4, which includes at least two first leveling bolts 41. These bolts are spaced apart on the pressing member 3, and each bolt is threadedly connected to the pressing member 3. One end of each bolt is screwed through the pressing member 3 and abuts against the supporting plate member 1. By adjusting the screwing depth of each bolt in the pressing member 3, the position of the pressing member 3 along the axial direction of the magnetic ring 200 can be adjusted, making the relative position of the pressing member 3 and the supporting plate member 1 adjustable along the axial direction of the magnetic ring 200 to match the thickness error of the magnetic ring 200. Furthermore, the levelness of the pressing member 3 can be adjusted to ensure the tightness of the pressure surface 31 against the end face of the magnetic ring 200. In addition, by designing the first leveling component 4 in the form of a first leveling bolt 41, the structure is simple, the operation is convenient, and leveling operations are easily performed within the confined space of the chamber body 400. Optionally, in this embodiment, the first leveling component 4 includes two first leveling bolts 41 arranged at intervals. In other embodiments, the specific number of first leveling bolts 41 can be set according to requirements.

[0030] In this embodiment, as Figure 1 and Figure 2As shown, the magnetic ring positioning mechanism 100 also includes a first locking member 5, which is threadedly connected to the pressing member 3 and passes through the pressing member 3 to be threadedly connected to the support plate member 1. By setting the first locking member 5, a stable connection between the pressing member 3 and the support plate member 1 is achieved. When it is necessary to adjust the relative position of the pressing member 3, the first locking member 5 can be loosened; after the position adjustment of the pressing member 3 is completed, the first locking member 5 can be tightened, making operation convenient and easy to perform within the confined space of the chamber body 400. Optionally, the first locking member 5 is a locking bolt. Optionally, in this embodiment, the magnetic ring positioning mechanism 100 includes two spaced-apart first locking members 5; in other embodiments, the specific number of first locking members 5 can be set according to requirements.

[0031] In this embodiment, as Figure 1 and Figure 2 As shown, the magnetic ring positioning mechanism 100 also includes a second leveling component 6. The second leveling component 6 includes at least two second leveling bolts 61, which are spaced apart on the adjusting member 2. Each second leveling bolt 61 is threadedly connected to the adjusting member 2, and one end of each second leveling bolt 61 is screwed through the adjusting member 2 and abuts against the support plate member 1. By adjusting the screwing depth of each second leveling bolt 61 in the adjusting member 2, the levelness of the adjusting member 2 can be adjusted. In addition, by designing the second leveling component 6 in the form of second leveling bolts 61, the structure is simple, the operation is convenient, and it is also convenient to perform leveling operations in the narrow space within the chamber body 400. Optionally, in this embodiment, the second leveling component 6 includes two spaced second leveling bolts 61. In other embodiments, the specific number of second leveling bolts 61 can be set according to requirements.

[0032] In this embodiment, as Figure 2 As shown, the adjusting member 2 has an elongated hole 23 extending radially along the magnetic ring 200. The magnetic ring positioning mechanism 100 also includes a second locking member 7, which passes through the elongated hole 23 and is threadedly connected to the support plate 1. By setting the second locking member 7, the connection position between the adjusting member 2 and the support plate 1 is adjustable along the radial direction of the magnetic ring 200, ensuring a stable connection between the adjusting member 2 and the support plate 1, and the structure is simple. When it is necessary to adjust the relative position of the adjusting member 2, the second locking member 7 is loosened, allowing the adjusting member 2 to move along the first adjusting inclined surface 12 and the second locking member 7. After the position adjustment of the adjusting member 2 is completed, the second locking member 7 is tightened, making the operation convenient and easy to operate in the narrow space within the chamber body 400. Optionally, the second locking member 7 is a locking bolt. Optionally, in this embodiment, the magnetic ring positioning mechanism 100 includes two spaced-apart second locking members 7. In other embodiments, the specific number of second locking members 7 can be set according to requirements.

[0033] Optionally, such as Figure 1 , Figure 3 , Figure 5 and Figure 6 As shown, the pressing member 3 is provided with a positioning groove 32. The bottom 33 of the positioning groove 32 is used to support the guide plate 300. Along the axial direction of the magnetic ring 200, the pressing plane 31 and the bottom 33 are located on opposite sides of the pressing member 3. By providing the positioning groove 32, the guide plate 300 is supported and positioned, and a suitable gap is ensured between the guide plate 300 and the magnetic ring 200 along the axial direction of the magnetic ring 200, thus ensuring the cooling effect of the guide plate 300 on the magnetic ring 200.

[0034] In this embodiment, as Figure 1 and Figure 2 As shown, the magnetic ring positioning mechanism 100 also includes a third locking member 8. The third locking member 8 passes through the support plate 1 and is threadedly connected to the installation position, thereby positioning the magnetic ring positioning mechanism 100 at the installation position. When it is necessary to disassemble or adjust the position of the magnetic ring positioning mechanism 100, the third locking member 8 can be loosened. When the magnetic ring positioning mechanism 100 is installed in the chamber body 400, the third locking member 8 can be tightened, making operation convenient and easy to operate in the confined space within the chamber body 400. Optionally, the third locking member 8 is a locking bolt. Optionally, in this embodiment, the magnetic ring positioning mechanism 100 includes two spaced-apart third locking members 8. In other embodiments, the specific number of third locking members 8 can be set according to requirements.

[0035] like Figures 5-7 As shown, this embodiment also provides a loading chamber, which includes a chamber body 400, a magnetic ring 200, and a plurality of the aforementioned magnetic ring positioning mechanisms 100. The magnetic ring 200 and the plurality of magnetic ring positioning mechanisms 100 are all located within the chamber body 400, and the plurality of magnetic ring positioning mechanisms 100 are arranged at intervals along the circumferential direction of the magnetic ring 200. The loading chamber provided in this embodiment, by applying the aforementioned magnetic ring positioning mechanisms 100, achieves positioning of the magnetic ring 200 in both the axial and radial directions, ensuring the reliability of the positioning support for the magnetic ring 200.

[0036] Optionally, the chamber body 400 is annular, and the magnetic ring 200 is coaxially arranged with the chamber body 400.

[0037] Optionally, such as Figure 7As shown, the loading chamber includes multiple magnetic rings 200, which are arranged sequentially at intervals along the axial direction of the magnetic rings 200 within the chamber body 400. Multiple magnetic ring positioning mechanisms 100 are arranged at intervals along the circumferential direction of each magnetic ring 200. The supporting plate 1 is mounted on the bottom plate 410 of the chamber body 400 or on the pressing member 3 of the lower-level magnetic ring positioning mechanism 100. Specifically, the supporting plate 1 in the lowest-level magnetic ring positioning mechanism 100 is mounted on the bottom plate 410 of the chamber body 400 via a third locking member 8, while the supporting plate 1 in other layers of magnetic ring positioning mechanisms 100 is mounted on the pressing member 3 of the lower-level magnetic ring positioning mechanism 100 via the third locking member 8. It should be noted that... Figure 7 The number of magnetic rings 200 shown is for illustrative purposes only; the specific number of magnetic rings 200 can be adjusted according to requirements.

[0038] It should be noted that the loading chamber also includes a guide plate 300. A guide plate 300 is provided above each layer of magnetic rings 200. The positioning groove 32 on the pressing member 3 is used to support the guide plate 300, thereby achieving positioning support for the guide plate 300. It should also be noted that during operation, the magnetic rings 200 are stacked in multiple layers, and the inside of the magnetic rings 200 is filled with cooling water. The guide plate 300 guides the flow of cooling water, thus ensuring the cooling effect of the cooling water on the magnetic rings 200. Furthermore, the magnetic ring positioning mechanism 100 in this embodiment ensures the precise position of the magnetic rings 200 by positioning them in the axial and radial directions, ensuring the safe and stable operation of the magnetic rings 200.

[0039] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A magnetic ring positioning mechanism, characterized in that, include: Support plate (1), the support plate (1) includes a support plane (11) for supporting the magnetic ring (200). Adjustment member (2), the adjustment member (2) includes an abutting sidewall (21) for abutting against the outer peripheral wall of the magnetic ring (200), the adjustment member (2) is connected to the support plate (1), and the relative position of the adjustment member (2) and the support plate (1) is adjustable along the radial direction of the magnetic ring (200); The pressing member (3) is connected to the supporting plate (1). The pressing member (3) includes a pressing plane (31), which is used to press against the end face of the magnetic ring (200). Along the axial direction of the magnetic ring (200), the supporting plane (11) and the pressing plane (31) together clamp and fix the magnetic ring (200). The relative position of the pressing member (3) and the supporting plate (1) is adjustable along the axial direction of the magnetic ring (200).

2. The magnetic ring positioning mechanism according to claim 1, characterized in that, The adjusting member (2) is located between the supporting plate (1) and the pressing member (3). The supporting plate (1) includes a first adjusting slope (12) which is inclined towards the pressing member (3) or the supporting plate (1) from one end near the supporting plane (11) to the other end away from the supporting plane (11) along the radial direction of the magnetic ring (200). The adjusting member (2) includes a second adjusting slope (22) which fits against the first adjusting slope (12) and is movable along the first adjusting slope (12).

3. The magnetic ring positioning mechanism according to claim 1, characterized in that, The magnetic ring positioning mechanism further includes: The first leveling assembly (4) includes at least two first leveling bolts (41), which are spaced apart on the pressing member (3). Each first leveling bolt (41) is threadedly connected to the pressing member (3), and one end of each first leveling bolt (41) is screwed through the pressing member (3) and abuts against the supporting plate (1).

4. The magnetic ring positioning mechanism according to any one of claims 1 to 3, characterized in that, The magnetic ring positioning mechanism further includes: The first locking member (5) is threadedly connected to the pressing member (3), and the first locking member (5) passes through the pressing member (3) and is threadedly connected to the supporting plate member (1).

5. The magnetic ring positioning mechanism according to any one of claims 1 to 3, characterized in that, The magnetic ring positioning mechanism further includes: The second leveling assembly (6) includes at least two second leveling bolts (61), which are spaced apart on the adjusting member (2). Each second leveling bolt (61) is threaded to the adjusting member (2), and one end of each second leveling bolt (61) is screwed through the adjusting member (2) and abuts against the supporting plate (1).

6. The magnetic ring positioning mechanism according to any one of claims 1 to 3, characterized in that, The adjusting member (2) has an elongated hole (23) extending along the radial direction of the magnetic ring (200). The magnetic ring positioning mechanism further includes: The second locking member (7) passes through the elongated hole (23) and is threadedly connected to the support plate (1).

7. The magnetic ring positioning mechanism according to any one of claims 1 to 3, characterized in that, The pressing member (3) is provided with a positioning groove (32), the bottom (33) of the positioning groove (32) is used to support the guide plate (300), and along the axial direction of the magnetic ring (200), the pressing plane (31) and the bottom (33) are respectively located on opposite sides of the pressing member (3).

8. The magnetic ring positioning mechanism according to any one of claims 1 to 3, characterized in that, The supporting plate (1), the adjusting member (2), and the pressing member (3) are all made of high-density polyethylene.

9. A loading chamber, characterized in that, The loading chamber includes a chamber body (400), a magnetic ring (200), and a plurality of magnetic ring positioning mechanisms according to any one of claims 1 to 8. The magnetic ring (200) and the plurality of magnetic ring positioning mechanisms are all located within the chamber body (400), and the plurality of magnetic ring positioning mechanisms are arranged at intervals along the circumferential direction of the magnetic ring (200).

10. The loading chamber according to claim 9, characterized in that, The loading chamber includes a plurality of magnetic rings (200), which are arranged sequentially at intervals along the axial direction of the magnetic rings (200) within the chamber body (400). Each magnetic ring (200) is provided with a plurality of magnetic ring positioning mechanisms at intervals in the circumferential direction. The supporting plate (1) is mounted on the bottom plate (410) of the chamber body (400) or on the pressing member (3) of the magnetic ring positioning mechanism located in the lower layer.

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