Adjusting device and assembling method of annular limiting stopper

Abstract

The invention relates to the field of nuclear fusion devices, and discloses an adjusting device and an assembling method of an annular limiter, the adjusting device comprises a base, a moving part, a limiting part, a second adjusting part and a third adjusting part, the moving part is movably arranged on the base along a first direction; the multiple limiting parts are arranged on the moving part, are arranged at intervals in the first direction and are used for limiting the annular limiter, each limiting part comprises a support and a first adjusting part, and the first adjusting parts are arranged on the supports and can move in the first direction; the second adjusting piece is arranged on the moving piece, the height of the second adjusting piece in the vertical direction is adjustable, the vertical direction is perpendicular to the first direction, and the second adjusting piece is used for supporting the annular limiting stopper; the third adjusting piece is arranged on the base and can drive the moving piece to move in the first direction. According to the invention, accurate position adjustment can be carried out on the annular limiter which has the advantages of large size, heavy weight, multi-direction precision requirement, high installation precision, narrow adjustment space and difficulty in clamping, and the installation reliability of the annular limiter is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of nuclear fusion devices, and in particular to an adjusting device and an assembly method of a toroidal limiter. Background Art

[0002] The Dewar base is a key component for the installation of a nuclear fusion device, and it is the support and installation foundation for all important equipment in the main system of the nuclear fusion device. The deformation of the Dewar base during transportation has an important impact on the installation of the main structure and important components. A toroidal limiter is required during the installation of the Dewar base. The toroidal limiter can play a role in adjusting the position of the Dewar base and at the same time has the function of limiting the Dewar base.

[0003] Due to the large size (1.3m×0.4m×0.4m), weight of 600 kg, high installation accuracy in multiple directions (adjustment accuracy is 0.5 mm), and narrow installation space (bottom adjustment space is 50 mm) of the toroidal limiter, higher requirements are put forward for the adjusting tooling and method to ensure that the toroidal limiter can adjust its position according to the on-site measurement data during the installation process and meet the position requirements after installation. For conventional adjustment methods, the adjusting tooling basically does not need to be fixed, has a large adjustment space, low accuracy requirements in a single direction, low installation accuracy, and does not require guidance. When there are requirements for adjusting components with large size, heavy weight, high accuracy requirements in multiple directions, high installation accuracy, narrow adjustment space, and difficult clamping, the conventional adjusting tools and methods cannot meet the accuracy requirements of the components during adjustment. Summary of the Invention

[0004] The present invention aims to at least solve one of the technical problems existing in the prior art. For this reason, an object of the present invention is to provide an adjusting device, which can adjust the position of a toroidal limiter with large size, heavy weight, high accuracy requirements in multiple directions, high installation accuracy, narrow adjustment space, and difficult clamping.

[0005] The present invention also aims to provide an assembly method of a toroidal limiter to apply the above-mentioned adjusting device.

[0006] An adjusting device according to an embodiment of the present invention is used to adjust a circumferential limiter, and the circumferential limiter is used to fix the cryostat base of a nuclear fusion device. The adjusting device includes: a base; a moving member movably arranged on the base along a first direction; a plurality of limiting members arranged on the moving member and spaced apart along the first direction for limiting the circumferential limiter. The limiting member includes a support and a first adjusting member, and the first adjusting member is arranged on the support and movable in the first direction; a second adjusting member arranged on the moving member and height-adjustable in a vertical direction perpendicular to the first direction, and the second adjusting member is used to support the circumferential limiter; a third adjusting member arranged on the base and capable of driving the moving member to move along the first direction.

[0007] For the adjusting device according to an embodiment of the present invention, the circumferential limiter can be fixed on the moving member by the limiting member and the second adjusting member, and the circumferential limiter can be leveled and vertically adjusted. Moreover, the third adjusting member can drive the moving member to move along the first direction, thereby being able to adjust the position of the circumferential limiter in the horizontal direction, improving the installation accuracy of the circumferential limiter, and thus enhancing the installation reliability of the cryostat base.

[0008] In some embodiments of the present invention, the support includes a first part and a second part. The first part is arranged on the moving member, and the second part is detachably arranged on the first part and is provided with the first adjusting member. The height of the second part is less than the minimum height of the second adjusting member.

[0009] In some embodiments of the present invention, the first part includes a first plate body, a second plate body, and a third plate body. The second plate body and the third plate body are arranged on the same side of the first plate body and spaced apart along a second direction perpendicular to the first direction and the vertical direction. The first plate body, the second plate body, and the third plate body are all connected to the moving member. Among them, the first plate body is detachably connected to the second part.

[0010] In some embodiments of the present invention, the second part is in a flat plate shape and is arranged on the other side of the first plate body away from the second plate body and the third plate body. The bottom of the second part is attached to the upper surface of the moving member; among them, the first adjusting member is a threaded adjusting member and is screwed to the second part.

[0011] In some embodiments of the present invention, there are at least two second adjusting members, and the second adjusting members are lifting members that can be lifted and lowered along the vertical direction.

[0012] In some embodiments of the present invention, the third adjusting members are arranged at both ends of the moving member in the first direction.

[0013] In some embodiments of the present invention, the third adjusting member includes a first connecting seat, a second connecting seat, and a driving member. The first connecting seat is provided on the base, the second connecting seat is provided on the moving member, and the second connecting seat is connected to the first connecting seat by the driving member. The driving member can drive the second connecting seat to move relative to the first connecting seat along the first direction.

[0014] In some embodiments of the present invention, the moving member is in the shape of a flat plate extending along the first direction. The base is provided with two groups of guiding columns. The two groups of guiding columns are spaced apart along the second direction. Each group of guiding columns is provided with a plurality of them along the first direction. Wherein, the second direction is perpendicular to the first direction and the vertical direction, and the moving member is arranged between the two groups of guiding columns.

[0015] In some embodiments of the present invention, the adjusting device further includes a gasket. The gasket is provided between the moving member and the base. The gasket includes a copper matrix and a coating covering the copper matrix. Wherein, the first connecting seat and the two groups of guiding columns both abut against the edge of the gasket to limit the gasket.

[0016] According to the assembly method of the circumferential limiter according to the embodiments of the present invention, it includes the adjusting device of any one of the foregoing. The circumferential limiter is installed on the wall. The wall is provided with bolt holes. The circumferential limiter is provided with a strip hole and a limiting slot; the method includes: fixing the base of the adjusting device on the wall, supporting the bottom of the circumferential limiter on the second adjusting member, and matching the limiting slot of the circumferential limiter with a plurality of the limiting members, and at the same time abutting one side of the circumferential limiter against the wall; passing a fixing bolt through the strip hole of the circumferential limiter and installing it in the bolt hole of the wall, and leaving an adjustment margin between the fixing bolt and the circumferential limiter; adjusting the second adjusting member and the first adjusting members of the plurality of the limiting members to level the circumferential limiter; adjusting the third adjusting member to move the circumferential limiter along the first direction to adjust the circumferential limiter to a target position in the first direction; continuing to screw the fixing bolt to fix the circumferential limiter on the wall to eliminate the adjustment margin.

[0017] According to the assembly method of the circumferential limiter according to the embodiments of the present invention, there is an adjustment margin between the fixing bolt and the circumferential limiter, which can limit the circumferential limiter to a certain extent and prevent the circumferential limiter from detaching from the wall. By adjusting the second adjusting member and the first adjusting members of the plurality of limiting members, the circumferential limiter is leveled, and the position accuracy of the circumferential limiter in the horizontal direction is improved. Adjusting the third adjusting member causes the circumferential limiter to move in the first direction, improving the position accuracy of the circumferential limiter in the first direction. Finally, by screwing the fixing bolt, the circumferential limiter can be further fixed to the wall, improving the reliability of the circumferential limiter.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention. Description of the Drawings

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and be readily understood from the following description of the embodiments in conjunction with the accompanying drawings, where: Figure 1 It is a structural diagram of the adjusting device, the circumferential limiter and the wall used in combination according to some embodiments of the present invention; Figure 2 is Figure 1 a partial enlarged view of I; Figure 3 It is a three-dimensional structural diagram of the adjusting device according to some embodiments of the present invention; Figure 4 It is a structural diagram of the adjusting device and the circumferential limiter used in combination according to some embodiments of the present invention; Figure 5 It is a top view of the adjusting device according to some embodiments of the present invention; Figure 6 It is a front view of the adjusting device according to some embodiments of the present invention; Figure 7 It is a sectional view of the adjusting device according to some embodiments of the present invention; Figure 8 is Figure 7 a partial enlarged view of II; Figure 9 It is a flowchart of the assembly method of the circumferential limiter according to some embodiments of the present invention.

[0020] Reference Signs: 100, adjusting device; 10, base; 101, guide post; 10a, mounting hole; 20, moving member; 30. Limiting component; 31. Support; 311. First part; 3111. First plate body; 3112. Second plate body; 3113. Third plate body; 312. Second part; 32. First adjusting member; 40. Second adjusting member; 50. Third adjusting member; 51. First connecting seat; 52. Second connecting seat; 53. Driving member; 60. Gasket; 61. Copper matrix; 62. Coating; 70. Insulating member; 200. Circumferential limiter; 210. Strip-shaped hole; 211. Fixed bolt; 220. Limiting card slot; 300. Wall; 310. PIT foundation pit. Detailed implementation mode

[0021] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where 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 drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

[0023] In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features, which are used to distinguish and describe features, without order or importance.

[0024] In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more. In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] like Figure 1 and Figure 2 As shown, the adjustment device 100 of the embodiment of the present invention is used to adjust the annular stopper 200, which is a component used to fix the dewar base of a nuclear fusion device. The annular stopper 200 is provided on a wall 300, wherein the wall 300 can be referred to as a biological shielding wall in the field of nuclear fusion devices. The annular stopper 200 can be arranged in a plurality of circumferential directions within the wall 300. The dewar base can be arranged in a PIT foundation pit 310 of the wall 300 and cooperate with the plurality of annular stoppers 200 for positional limitation.

[0026] Reference below Figures 3 - 8 , describing the adjustment device 100 according to an embodiment of the present invention.

[0027] like Figure 3 and Figure 4 As shown, the adjusting device 100 of the embodiment of the present invention includes: a base 10, a moving member 20, a limiting member 30, a second adjusting member 40 and a third adjusting member 50. The moving member 20 is movably arranged on the base 10 along the first direction; a plurality of limiting members 30 are arranged on the moving member 20 and are spaced apart along the first direction, and are used to limit the annular limiter 200. The limiting member 30 includes a support 31 and a first adjusting member 32. The first adjusting member 32 is arranged on the support 31 and is movable in the first direction; the second adjusting member 40 is arranged on the moving member 20 and is height-adjustable in the vertical direction. The vertical direction is perpendicular to the first direction. The second adjusting member 40 is used to support the annular limiter 200; the third adjusting member 50 is arranged on the base 10 and can drive the moving member 20 to move along the first direction.

[0028] The base 10 may refer to a basic supporting structure for the adjustment device 100 and may be made of, but not limited to, alloy steel, stainless steel, aluminum alloy, composite material, etc. The base 10 may be made of, but not limited to, a plate, a block, etc.

[0029] The moving member 20 may refer to a component provided on the base 10 and movable along the first direction, and may be, but not limited to, a plate, a block, etc. Figure 3 , the “first direction” may refer to the left-right direction.

[0030] The limiting component 30 may refer to a component for limiting the annular limiter 200. The connection between the limiting component 30 and the moving member 20 may be, but is not limited to, welding, bolt connection, riveting, etc. The limiting components 30 are arranged on the moving member 20 and spaced apart along the first direction. The number of the limiting components 30 may be, but is not limited to, two, three, four, etc. For example, referring to Figure 3 , there can be two limiting components 30.

[0031] In the above solution, the limiting member 30 may include a support 31 and a first adjusting member 32. The support 31 may refer to a member for supporting the first adjusting member 32. The first adjusting member 32 may refer to a member provided on the support 31 and having an adjustment stroke in the first direction, which may be, but is not limited to, a screw, a setscrew, a bolt, a hydraulic cylinder, a pneumatic cylinder, an electric push rod, and a wedge block adjusting mechanism, etc.

[0032] Optionally, referring to Figure 4 , the circumferential limiter 200 may be provided with two limiting slots 220 arranged face to face, and the limiting member 30 may be used to cooperate in the limiting slots 220 to limit the circumferential limiter 200. For example, the first adjusting member 32 may abut against the groove wall of the limiting slot 220 in the first direction to play a limiting role.

[0033] The second adjusting member 40 may refer to a member provided on the moving member 20 and having an adjustable height in the vertical direction. The second adjusting member 40 may be, but is not limited to, a screw, a setscrew, a bolt, a hydraulic cylinder, a pneumatic cylinder, an electric push rod, and a wedge block adjusting mechanism, etc. Referring to Figure 3 , the "vertical direction" may refer to the up and down direction, and the adjustment range of the second adjusting member 40 in the vertical direction may be 0 mm to 11 mm.

[0034] The third adjusting member 50 may refer to a member provided on the base 10 and capable of driving the moving member 20 to move in the first direction, and can adjust the position of the circumferential limiter 200 in the first direction. The adjustment range of the third adjusting member 50 in the first direction may be 0 mm to 79 mm.

[0035] In the above technical solution, since the limiting member 30 includes the support 31 and the first adjusting member 32, the first adjusting member 32 can be adjusted on the support 31, which is convenient for matching the circumferential limiter 200 with the limiting member 30, and then the circumferential limiter 200 can be horizontally limited by adjusting the first adjusting member 32. The second adjusting member 40 can support the circumferential limiter 200 in the vertical direction. At the same time, since the second adjusting member 40 can be adjusted in height in the vertical direction, the precise position of the circumferential limiter 200 in the vertical direction can be adjusted. Then, by driving the moving member 20 to move in the first direction through the third adjusting member 50, the position of the circumferential limiter 200 relative to the wall 300 in the horizontal direction can be adjusted, thereby realizing the precise installation of the circumferential limiter 200 on the wall 300.

[0036] According to the adjusting device 100 of the embodiment of the present invention, the circumferential limiter 200 can be fixed on the moving member 20 through the limiting member 30 and the second adjusting member 40, and the circumferential limiter 200 can be leveled and vertically adjusted. And through the third adjusting member 50, the moving member 20 can be driven to move along the first direction. It can be applied to the position adjustment of the circumferential limiter 200 with large size, heavy weight, high precision requirements in multiple directions, high installation precision, narrow adjustment space and difficult clamping, and can adjust the position of the circumferential limiter 200 in the horizontal direction, improve the installation precision of the circumferential limiter 200, and thus improve the installation reliability of the Dewar base.

[0037] In some embodiments of the present invention, referring to Figure 3 and Figure 4 , an insulating member 70 is provided on the first adjusting member 32 and the second adjusting member 40. The insulating member 70 can be, but is not limited to, a glass fiber resin material, a ceramic insulating sheet, a polytetrafluoroethylene material member, and the like.

[0038] Since the nuclear fusion device has high requirements for the internal environment during the installation process, in the above technical solution, by providing the insulating member 70 on the first adjusting member 32 and the second adjusting member 40, the insulating member 70 can not only play an insulating role to avoid the generation of secondary electric fields, but also prevent the first adjusting member 32 and the second adjusting member 40 from directly contacting the circumferential limiter 200, reduce the risk of the circumferential limiter 200 being scratched, and reduce the risk of generating debris, thereby reducing material contamination.

[0039] In some embodiments of the present invention, referring to Figures 3 - 5 , the support 31 includes a first part 311 and a second part 312. The first part 311 is provided on the moving member 20, and the second part 312 is detachably provided on the first part 311 and is provided with the first adjusting member 32. The height of the first part 311 is less than the minimum height of the second adjusting member 40.

[0040] [[ID=ID=18]]The connection manner between the first part 311 and the second part 312 can be, but is not limited to, a snap connection, a bolt connection, and the like. For example, referring to Figure 4 , the connection manner between the first part 311 and the second part 312 can be a bolt connection.

[0041] In the above technical solution, the second part 312 is detachably provided on the first part 311. When the second part 312 or the first adjusting member 32 is worn or damaged, the second part 312 or the first adjusting member 32 can be disassembled and replaced, so as to avoid scrapping the entire adjusting device 100 due to a single component failure. At the same time, the second part 312 is detachably provided on the first part 311, and the height of the first part 311 is less than the minimum height of the second adjusting member 40. After the adjusting device 100 finishes working, the first part 311 can also be disassembled, and then the adjusting device 100 can be pulled out from below the circumferential limiter 200, which is convenient for the use of the entire device.

[0042] In some embodiments of the present invention, referring to Figure 6 , the first part 311 includes a first plate body 3111, a second plate body 3112, and a third plate body 3113. The second plate body 3112 and the third plate body 3113 are provided on the same side of the first plate body 3111 and are arranged at intervals along a second direction. The second direction is perpendicular to the first direction and the vertical direction. The first plate body 3111, the second plate body 3112, and the third plate body 3113 are all connected to the moving member 20. Among them, the first plate body 3111 is detachably connected to the second part 312.

[0043] It can be understood that the "second direction" can refer to Figure 4 the front-back direction.

[0044] The first plate body 3111, the second plate body 3112, and the third plate body 3113 can be in a plate-like structure. The connection manners of the first plate body 3111, the second plate body 3112, and the third plate body 3113 can be, but are not limited to, welding, integral forming, riveting, etc. Among them, the angles between the first plate body 3111 and the third plate body 3113 and the second plate body 3112 can be 90°, or can be greater than or less than 90°. For example, referring to Figure 6 , the angles between the first plate body 3111 and the third plate body 3113 and the second plate body 3112 are 90°. The first plate body 3111, the second plate body 3112, and the third plate body 3113 form a U-shaped rigid frame (see Figure 3 and Figure 4 ), which can effectively resist forces and torques from different directions, avoid deformation of the first part 311 due to uneven stress, and improve the reliability of the first part 311.

[0045] In the above technical solution, the first plate body 3111 serves as the core bearing plate, which is directly fixedly connected to the moving member 20 and is detachably connected to the second part 312 at the same time. By using the frame structure composed of the first plate body 3111, the second plate body 3112, and the third plate body 3113, the structural strength of the second part 312 can be improved, and the second part 312 can be prevented from deforming under force. The second plate body 3112 and the third plate body 3113 are located on the same side of the first plate body 3111 and are arranged at intervals along the second direction. Both are fixedly connected to the moving member 20 to form a support frame, which can improve the structural strength of the first plate body 3111, further improve the structural strength of the second part 312, and thus improve the overall structural strength of the support 31. It can also improve the limiting reliability of the limiting member 30 for the circumferential limiter 200 and ensure the reliability of the adjusting device 100. At the same time, the structures of the first plate body 3111, the second plate body 3112, and the third plate body 3113 are simple, which can save the materials of the adjusting device 100, reduce the weight of the adjusting device 100, and facilitate the adjustment of the circumferential limiter 200.

[0046] In some embodiments of the present invention, referring to Figures 4 - 7 , the second part 312 is in a flat plate shape and is provided on the other side of the first plate body 3111 away from the second plate body 3112 and the third plate body 3113. The bottom of the second part 312 is attached to the upper surface of the moving member 20; wherein, the first adjusting member 32 is a threaded adjusting member and is screwed to the second part 312.

[0047] It can be understood that the first adjusting member 32 can be, but is not limited to, a screw rod, a bolt, a setscrew, etc. The second part 312 is provided with a threaded hole cooperating with the first adjusting member 32. Rotating the first adjusting member 32 can move along the first direction on the second part 312, so that one end of the first adjusting member 32 abuts against the circumferential limiter 200, thereby limiting the circumferential limiter 200 in the first direction.

[0048] In the above technical solution, the second part 312 is in a flat plate shape, with a simple structure, easy to process and assemble, which can reduce the manufacturing cost. The bottom of the second part 312 is attached to the upper surface of the moving member 20 and is arranged on both sides of the first plate body 3111 with the second plate body 3112 and the third plate body 3113. This can further improve the structural strength of the support 31 and thus improve the limiting reliability for the circumferential limiter 200. The first adjusting member 32 is a threaded adjusting member, with a simple structure and a small occupied space volume, which can improve the space utilization rate and facilitate the positioning operation in a narrow space.

[0049] In some embodiments of the present invention, referring to Figures 4 - 7 , there are at least two second adjusting members 40, and the second adjusting members 40 are lifting members that can be lifted and lowered along the vertical direction.

[0050] The second adjusting member 40 can be, but is not limited to, a jack, an electric push rod, a cylinder, a hydraulic cylinder, a pneumatic adjusting column, etc. The number of the second adjusting members 40 can be, but is not limited to, two, three, four, etc. For example, referring to Figure 4 , the number of the second adjusting members 40 can be two, and they can be jacks, which have super load-bearing capacity and can better support the circumferential limiter 200.

[0051] In the above technical solution, there are at least two second adjusting members 40, which can form a stable support mechanism, avoid the risk of skewing of the circumferential limiter 200, improve the support stability of the circumferential limiter 200 in the vertical direction, and can also evenly disperse the gravity load of the circumferential limiter 200 to the moving member 20, avoiding local deformation caused by single-point force. The second adjusting member 40 is a lifting member that can be lifted and lowered in the vertical direction, and each lifting member can be lifted and lowered independently, performing local adjustment for the non-uniform deformation or support surface deviation of the circumferential limiter, improving the reliability of the adjusting device 100.

[0052] In some embodiments of the present invention, referring to Figures 4 - 7 , third adjusting members 50 are provided at both ends of the moving member 20 in the first direction.

[0053] In the above technical solution, the third adjusting members 50 at both ends of the moving member 20 in the first direction can achieve independent or coordinated adjustment at both ends, enabling precise calibration of the position of the moving member 20 in the first direction and improving the adjustment efficiency of the third adjusting member 50. At the same time, setting the third adjusting members 50 at both ends can make the force distribution of the moving member 20 in the first direction more uniform, reduce the pressure and compound of each end adjustment, reduce the adjustment difficulty, and improve the adjustment efficiency.

[0054] In some embodiments of the present invention, referring to Figures 4 - 7 , the third adjusting member 50 includes a first connecting seat 51, a second connecting seat 52, and a driving member 53. The first connecting seat 51 is provided on the base 10, the second connecting seat 52 is provided on the moving member 20, and the second connecting seat 52 is connected to the first connecting seat 51 through the driving member 53. The driving member 53 can drive the second connecting seat 52 to move relative to the first connecting seat 51 in the first direction.

[0055] It can be understood that the first connecting seat 51 and the second connecting seat 52 can be plate-shaped components, block-shaped components, etc., and can be made of, but are not limited to, materials such as steel, aluminum alloy, and fiber-reinforced composite materials. The connection method between the first connecting seat 51 and the second connecting seat 52 and the base 10 can be, but is not limited to, welding, bolt connection, riveting, etc.

[0056] The driving member 53 can be, but is not limited to, a bolt, a screw, a set screw, an electric lead screw drive, a hydraulic cylinder or a pneumatic drive, etc. For example, referring to Figure 4, the driving member 53 is an adjusting bolt, which has a simple structure, is convenient for operation and saves costs. Moreover, by using an adjusting bolt, the adjustment accuracy can be controlled by the number of turns of rotation. For example, when the adjusting bolt rotates one circle, the moving member 20 can be driven to move 1 mm in the first direction.

[0057] In the above technical solution, by adopting the structure of the first connecting seat 51, the second connecting seat 52 and the driving member 53, the structure of the third adjusting member 50 is relatively simple, easy to manufacture, and has high working reliability. It can avoid deformation during the operation of the third adjusting member 50, ensure the reliability of the adjustment accuracy of the adjusting device 100, and is also beneficial to extending the service life.

[0058] In some embodiments of the present invention, referring to Figures 4 - 7 , the moving member 20 is in the shape of a flat plate extending in the first direction. The base 10 is provided with two groups of guide posts 101. The two groups of guide posts 101 are arranged at intervals in the second direction. Each group of guide posts 101 is provided with a plurality of them in the first direction. Among them, the second direction is perpendicular to the first direction and the vertical direction, and the moving member 20 is arranged between the two groups of guide posts 101.

[0059] It can be understood that the moving member 20 is in the shape of a flat plate, and its size in the vertical direction is small, which is beneficial to reducing the height size of the entire adjusting device 100, is beneficial to adapting to the operation in the narrow space below the circumferential limiter 200, can also reduce the weight, and is convenient for moving, installing or disassembling the adjusting device 100.

[0060] The guide post 101 can be, but is not limited to, a bolt, a pin column, etc. For example, referring to Figure 4 , the guide post 101 can be a bolt, which has a simple structure, saves materials, reduces the weight of the adjusting device 100, and reduces costs. The number of the two groups of guide posts 101 can be the same or different. When the number of the two groups of guide posts 101 is the same, they can be arranged in the same way or in different ways in the first direction. The number of each group of guide posts 101 can be, but is not limited to, two, three, four, etc.

[0061] In the above technical solution, the two groups of guide posts 101 are arranged at intervals in the second direction, which can provide a guiding function for the movement of the moving member 20. By adopting the two groups of guide posts 101 as the guiding structure, the structure is simple and the reliability is good, which is beneficial to improving the reliability of the adjusting device 100. Each group of guide posts 101 is provided with a plurality of them along the movement direction to form a linear support array, which disperses the load of the moving member 20 to each guide post 101, avoids the bending of the guide post 101 caused by single-point overload, and the multi-column support can also reduce stress, further improving the reliability of the adjusting device 100.

[0062] In some embodiments of the present invention, referring to Figures 5 - 8, the adjusting device 100 further includes a gasket 60. The gasket 60 is disposed between the moving member 20 and the base 10. The gasket 60 includes a copper matrix 61 and a coating 62 coated on the copper matrix 61. Among them, the first connecting seat 51 and the two groups of guide posts 101 are both abutted against the edge of the gasket 60 to limit the gasket 60.

[0063] The coating 62 can be, but is not limited to, nickel plating, chrome plating, PTFE plating, etc.

[0064] In the above technical solution, the gasket 60 is disposed between the moving member 20 and the base 10, which can reduce the friction force of the moving member 20, facilitate the movement of the moving member 20 in the first direction, and improve the reliability of the moving member 20. The gasket 60 includes a copper matrix 61 and a coating 62 coated on the copper matrix 61. Copper has good ductility and strength, and as a matrix, it can support the load between the moving member 20 and the base 10, avoiding the decrease in adjustment accuracy caused by the deformation of the gasket 60 due to force. The coating 62 can improve the wear resistance, corrosion resistance and anti-friction performance of the gasket 60, and improve the reliability of the gasket 60. Using the gasket 60 with the above structure can also prevent the moving member 20 and the base 10 from contacting and generating debris, reduce the risk of material contamination, and ensure that the installation environment of the Dewar base remains in the expected clean condition.

[0065] Both the first connecting seat 51 and the two groups of guide posts 101 are abutted against the edge of the gasket 60, so that the gasket 60 can be limited in the first direction and the second direction, avoiding the movement of the gasket 60, ensuring that the moving member 20 always moves on the gasket 60, and improving the reliability of the adjusting device 100.

[0066] In some embodiments of the present invention, refer to Figures 3 - 7 , the base 10 is in a flat plate shape. That is to say, the base 10 is a thin plate member. Adopting this method can reduce the thickness of the base 10, and further reduce the height of the entire adjusting device 100 in the vertical direction, which is beneficial to be installed in the narrow space below the circumferential limiter 200.

[0067] In some embodiments of the present invention, refer to Figure 5 As shown, the base 10 is provided with one or more mounting holes 10a. The mounting holes 10a can be used to install bolts, so that the base 10 can be fixed on the wall 300 by bolts, so as to play a role in fixing the entire adjusting device 100. Adopting this connection method has a simple structure and can reduce costs.

[0068] Refer to Figures 1 - 8, The assembly method of the circumferential limiter 200 according to an embodiment of the present invention includes the adjusting device 100 of any of the foregoing embodiments. The circumferential limiter 200 is installed on the wall body 300. The wall body 300 is provided with bolt holes, and the circumferential limiter 200 is provided with a strip hole 210 and a limit card slot 220. Among them, the strip hole 210 can extend along a first direction, and there can be two limit card slots 220, which are oppositely arranged in the first direction.

[0069] Referring to Figure 9 , the assembly method of the circumferential limiter 200 includes: Step S1: Fix the base 10 of the adjusting device 100 on the wall body 300, support the bottom of the circumferential limiter 200 on the second adjusting member 40, and cooperate the limit card slot 220 of the circumferential limiter 200 with a plurality of limit members 30, and at the same time abut one side of the circumferential limiter 200 against the wall body 300; Step S2: Install the fixing bolt 211 through the strip hole 210 of the circumferential limiter 200 into the bolt hole of the wall body 300, and leave an adjustment margin between the fixing bolt 211 and the circumferential limiter 200; Step S3: Adjust the second adjusting member 40 and the first adjusting member 32 of the plurality of limit members 30 to level the circumferential limiter 200; Step S4: Adjust the third adjusting member 50 to move the circumferential limiter 200 along the first direction so as to adjust the circumferential limiter 200 to a target position in the first direction; Step S5: Continue to screw the fixing bolt 211 to fix the circumferential limiter 200 on the wall body 300 to eliminate the adjustment margin.

[0070] Among them, the length of the limit card slot 220 in the second direction is greater than that of the second part 312, so that the second part 312 can be smoothly withdrawn from the limit card slot 220.

[0071] The "wall body 300" may refer to a biological shielding wall. A biological shielding wall is a functional barrier system used to isolate, control or protect against biological hazards (such as pathogens, harmful organisms, biological toxins, etc.). Its core purpose is to prevent the spread of biological hazard factors through physical, biological or chemical means, and protect personnel, the environment or specific areas from biological risks. The wall body 300 is provided with a PIT foundation pit 310. The PIT foundation pit 310 generally refers to a temporary pit-shaped space excavated during engineering construction to meet the construction of underground structures, and is used to install other components of nuclear fusion devices such as Dewar bases.

[0072] According to the assembly method of the circumferential limiter 200 according to an embodiment of the present invention, the above method can level and vertically adjust the circumferential limiter 200, and can be applicable to the position adjustment of the circumferential limiter 200 with large size, heavy weight, high precision requirements in multiple directions, high installation precision, narrow adjustment space and difficult clamping, and can adjust the position of the circumferential limiter 200 in the horizontal direction, improve the installation precision of the circumferential limiter 200, and thus improve the installation reliability of the Dewar base.

[0073] The following will describe a specific embodiment of the adjusting device 100 of the present invention in conjunction with Figures 4 - 8 ,

[0074] The adjusting device 100 includes a base 10, a moving member 20, a limiting member 30, a second adjusting member 40, a third adjusting member 50, a gasket 60 and an insulating member 70.

[0075] The base 10 is in the shape of a flat plate and is provided with two groups of guide posts 101. The two groups of guide posts 101 are arranged at intervals in the second direction. Each group of guide posts 101 is arranged in three in the first direction. Among them, the second direction is perpendicular to the first direction and the vertical direction, and the moving member 20 is arranged between the two groups of guide posts 101.

[0076] The moving member 20 is in the shape of a flat plate extending in the first direction and is movably arranged on the base 10 in the first direction.

[0077] There are two limiting members 30, which are arranged on the moving member 20 at intervals in the first direction. The limiting member 30 includes a support 31 and a first adjusting member 32. The first adjusting member 32 is arranged on the support 31 and is movable in the first direction.

[0078] The support 31 includes a first part 311 and a second part 312. The first part 311 is arranged on the moving member 20. The second part 312 is detachably arranged on the first part 311 and is provided with the first adjusting member 32. The height of the first part 311 is less than the minimum height of the second adjusting member 40.

[0079] The first part 311 includes a first plate body 3111, a second plate body 3112 and a third plate body 3113. The second plate body 3112 and the third plate body 3113 are vertically arranged on the same side of the first plate body 3111 and are arranged at intervals in the second direction. The second direction is perpendicular to the first direction and the vertical direction. The first plate body 3111, the second plate body 3112 and the third plate body 3113 are all connected to the moving member 20. Among them, the first plate body 3111 is detachably connected to the second part 312.

[0080] The second part 312 is plate-shaped and is provided on the other side of the first plate body 3111 away from the second plate body 3112 and the third plate body 3113. The bottom of the second part 312 is attached to the upper surface of the moving member 20. Among them, the first adjusting member 32 is a bolt and is screwed to the second part 312.

[0081] There are two second adjusting members 40, and the second adjusting members 40 are provided on the moving member 20 as lifting members that can be lifted and lowered in the vertical direction. The vertical direction is perpendicular to the first direction, and the second adjusting members 40 are jacks.

[0082] The third adjusting member 50 is provided at both ends of the moving member 20 in the first direction and can drive the moving member 20 to move in the first direction. The third adjusting member 50 includes a first connecting seat 51, a second connecting seat 52 and a driving member 53. The first connecting seat 51 is provided on the base 10, the second connecting seat 52 is provided on the moving member 20, and the second connecting seat 52 is connected to the first connecting seat 51 through the driving member 53. The driving member 53 is an adjusting bolt and can drive the second connecting seat 52 to move relative to the first connecting seat 51 in the first direction.

[0083] The gasket 60 is provided between the moving member 20 and the base 10. The gasket 60 includes a copper matrix 61 and a plating layer 62 coated on the copper matrix 61. Among them, the first connecting seat 51 and the two groups of guide posts 101 are both abutted against the edge of the gasket 60 to limit the gasket 60. The insulating member 70 is provided on the ends of the first adjusting member 32 and the second adjusting member 40 that are in contact with the circumferential limiter 200.

[0084] In the description of this specification, the description with reference to terms such as "some embodiments", "optionally", "further" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0085] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and purposes of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. An adjusting device, the adjusting device is used to adjust a circumferential limiter, and the circumferential limiter is used to fix the cryostat base of a nuclear fusion device, characterized in that, The adjusting device includes: a base; a moving member movably disposed on the base along a first direction; a plurality of limiting members disposed on the moving member and spaced along the first direction for limiting the circumferential limiter. The limiting member includes a support and a first adjusting member, and the first adjusting member is disposed on the support and movable in the first direction; a second adjusting member disposed on the moving member and adjustable in height in a vertical direction perpendicular to the first direction, and the second adjusting member is used for supporting the circumferential limiter; a third adjusting member disposed on the base and capable of driving the moving member to move along the first direction.

2. The adjusting device according to claim 1, wherein The support includes a first part and a second part. The first part is disposed on the moving member, and the second part is detachably disposed on the first part and is provided with the first adjusting member. The height of the first part is less than the minimum height of the second adjusting member.

3. The adjusting device according to claim 2, characterized in that, The first part includes a first plate body, a second plate body, and a third plate body. The second plate body and the third plate body are disposed on the same side of the first plate body and spaced along a second direction perpendicular to the first direction and the vertical direction. The first plate body, the second plate body, and the third plate body are all connected to the moving member. Among them, the first plate body is detachably connected to the second part.

4. The adjusting device according to claim 3, characterized in that The second part is in a flat plate shape and is disposed on the other side of the first plate body away from the second plate body and the third plate body. The bottom of the second part is attached to the upper surface of the moving member. Among them, the first adjusting member is a threaded adjusting member and is screwed to the second part.

5. The adjusting device according to claim 1, characterized in that, There are at least two second adjusting members, and the second adjusting member is a lifting member that can be lifted and lowered along the vertical direction.

6. The adjusting device according to claim 1, characterized in that The third adjusting members are disposed at both ends of the moving member in the first direction.

7. The adjusting device according to claim 1 or 6, characterized in that The third adjusting member includes a first connecting seat, a second connecting seat, and a driving member. The first connecting seat is disposed on the base, the second connecting seat is disposed on the moving member, and the second connecting seat is connected to the first connecting seat through the driving member. The driving member can drive the second connecting seat to move relative to the first connecting seat along the first direction.

8. The adjusting device according to claim 7, characterized in that, The moving member is in a flat plate shape extending along the first direction. The base is provided with two groups of guide posts spaced along the second direction. Each group of guide posts is provided with a plurality of them along the first direction. Among them, the second direction is perpendicular to the first direction and the vertical direction, and the moving member is disposed between the two groups of guide posts.

9. The adjusting device according to claim 8, characterized in that, The adjusting device further includes a gasket disposed between the moving member and the base. The gasket includes a copper matrix and a coating covering the copper matrix. Among them, the first connecting seat and the two groups of guide posts are all abutted against the edge of the gasket to limit the gasket.

10. An assembly method of a circumferential limiter, characterized in that, Including the adjusting device according to any one of claims 1 to 9, the circumferential limiter is installed on a wall. The wall is provided with a bolt hole, and the circumferential limiter is provided with a strip hole and a limiting slot; The method includes: Fix the base of the adjusting device on the wall, support the bottom of the circumferential limiter on the second adjusting member, cooperate the limiting card slots of the circumferential limiter with a plurality of the limiting members, and at the same time abut one side of the circumferential limiter against the wall; Install the fixing bolt through the strip hole of the circumferential limiter in the bolt hole of the wall, and leave an adjustment margin between the fixing bolt and the circumferential limiter; Adjust the second adjusting member and the first adjusting members of a plurality of the limiting members to level the circumferential limiter; Adjust the third adjusting member to move the circumferential limiter along the first direction so as to adjust the circumferential limiter to a target position in the first direction; Continue to screw the fixing bolt to fix the circumferential limiter on the wall to eliminate the adjustment margin.

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