Poloidal field coil support device and jacking method for poloidal field coils

Abstract

The application relates to the technical field of nuclear fusion device installation, and discloses a poloidal field coil supporting device and a jacking method of the poloidal field coil. The poloidal field coil supporting device comprises a base, a vertical adjusting part and a horizontal adjusting part, the horizontal adjusting part, the vertical adjusting part and the base are arranged along a vertical direction; the horizontal adjusting part comprises a first base, a horizontal supporting seat, a first adjusting mechanism and a second adjusting mechanism, the first base is connected with the vertical adjusting part; the horizontal supporting seat is movably arranged on the first base along a first direction and a second direction; the first adjusting mechanism is arranged on the first base and drives the horizontal supporting seat to move along the first direction; and the second adjusting mechanism is arranged on the first base and drives the horizontal supporting seat to move along the second direction. The poloidal field coil supporting device can accurately adjust the position of the poloidal field coil in the vertical direction and the circumferential direction, and meets the installation requirements of the poloidal field coil at the bottom of the nuclear fusion device.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of a nuclear fusion device installation, in particular to a poloidal field coil supporting device and a jacking method of a poloidal field coil. BACKGROUND

[0002] A PF magnet system is a core component of a nuclear fusion device, which generates a strong magnetic field to accelerate and maintain a nuclear fusion reaction on a plasma, and is crucial for realizing controllable nuclear fusion. A bottom poloidal field coil is an important component of the PF magnet system, and the installation process, temporary placement tooling, jacking tooling design and installation method of the bottom poloidal field coil have an important influence on the installation position accuracy of the bottom poloidal field coil.

[0003] Due to the large overall size (PF6: 6.5*4m, PF7: 4.5*4.2m), large weight (the weight of the PF6 coil is about 85 tons, and the weight of the PF7 coil is about 55 tons), high installation accuracy (±0.5mm) of the bottom poloidal field coil, and the fact that the surface insulation of the poloidal field coil cannot be damaged during temporary placement and jacking, and the overall levelness of the magnet needs to be controlled within 2mm during jacking, higher requirements are put forward for the temporary placement tooling and jacking tooling, so as to ensure that the bottom poloidal field coil is adjusted in position according to the measurement data during temporary placement and jacking, and the PF6 coil and the PF7 coil are in a horizontal state during hoisting. At the same time, when the bottom poloidal field coil is installed in position, the position of the bottom poloidal field coil is adjusted according to the measurement data, so as to ensure that the bottom poloidal field coil meets the installation accuracy requirements, and at the same time, the position of the superconducting joint is within the design position deviation, which leads to the fact that the temporary placement tooling and jacking tooling need to be designed into a structure with multiple supporting points, multiple adjusting mechanisms and large weight according to the size, weight, tooling design position, space limitation and adjustment position (X direction, Y direction, Z direction) requirements of the bottom poloidal field coil magnet.

[0004] In related technologies, the conventional temporary placement and jacking tooling is fixed according to the component interface and the temporary supporting platform, and is adjusted in a single direction through a lead screw, a motor or a hydraulic cylinder, and is fixed when adjusted to the installation position, without the need for accurate adjustment and positioning in the circumferential direction. However, there is still a blank in the design and installation of the temporary placement and jacking tooling for large size, heavy load, narrow installation space, high installation accuracy, multiple jacking and accurate adjustment and positioning in the circumferential direction in the nuclear fusion device, mainly because of the high installation accuracy and the need for multiple jacking and accurate adjustment and positioning in the circumferential direction. The conventional temporary placement and jacking tooling has a single function and low installation accuracy, and it is difficult to meet the installation requirements of the bottom poloidal field coil of the nuclear fusion device. SUMMARY

[0005] The present application aims to solve the problem that there is no reliable poloidal field coil support device in the prior art to meet the installation requirements of the bottom poloidal field coil of a nuclear fusion device. To this end, one object of the present application is to provide a poloidal field coil support device that can accurately adjust the position of the poloidal field coil in the vertical direction and the circumferential direction to meet the installation requirements of the bottom poloidal field coil of a nuclear fusion device.

[0006] The present application also aims to provide a jacking method for a poloidal field coil to apply the above-mentioned poloidal field coil support device.

[0007] The poloidal field coil support device according to the embodiments of the present application is used to support the poloidal field coil of the PF magnet system of a nuclear fusion device, and comprises a base, a vertical adjusting part and a horizontal adjusting part. The horizontal adjusting part, the vertical adjusting part and the base are arranged along the vertical direction, one of the horizontal adjusting part and the vertical adjusting part is connected to the other, and one of them is provided on the base. The horizontal adjusting part comprises a first base connected to the vertical adjusting part, a horizontal support seat movably provided on the first base along a first direction and a second direction, the first direction being perpendicular to the second direction, and the first direction and the second direction being perpendicular to the vertical direction. A first adjusting mechanism is provided on the first base and drives the horizontal support seat to move along the first direction. The first adjusting mechanism comprises two first adjusting members provided at both ends of the horizontal support seat in the first direction and extendable along the first direction. A second adjusting mechanism is provided on the first base and drives the horizontal support seat to move along the second direction. The second adjusting mechanism comprises two second adjusting members provided at both ends of the horizontal support seat in the second direction and extendable along the second direction. The horizontal adjusting part comprises a first displacement detection member and a second displacement detection member. Each first adjusting member is provided with a corresponding first displacement detection member, and the first displacement detection member is used to detect the extension stroke of the corresponding first adjusting member. Each second adjusting member is provided with a corresponding second displacement detection member, and the second displacement detection member is used to detect the extension stroke of the corresponding second adjusting member. The horizontal adjusting part comprises a locking mechanism for locking or unlocking the horizontal support seat and the first base.

[0008] The poloidal field coil support device according to the embodiment of the application can adjust the position of the poloidal field coil in the vertical direction through the vertical adjusting part, and can adjust the position of the poloidal field coil in the circumferential direction through the horizontal adjusting part which is provided in the structure including the first base, the horizontal support base, the first adjusting mechanism and the second adjusting mechanism, thereby ensuring the position accuracy and pose of the poloidal field coil during temporary support and jacking, and meeting the installation requirements of the poloidal field coil with large weight, large size and high position accuracy.

[0009] In some embodiments of the application, the extension directions of the two first adjusting members are opposite; and the extension directions of the two second adjusting members are opposite.

[0010] In some embodiments of the application, the horizontal support base includes a base body, an upper seat body and an adapter plate, the upper seat body and the base body are connected through the adapter plate, the adapter plate is provided protruding relative to the bottom of the upper seat body and the base body, the first adjusting mechanism, the second adjusting mechanism, the first locking mechanism and the second locking mechanism act on the base body; the horizontal adjusting part includes a bearing plate and a pressing plate, the bearing plate is arranged on the first base and is attached to the bottom of the base body, and the pressing plate is connected to the first base and is attached to the protruding part of the adapter plate.

[0011] In some embodiments of the application, the locking mechanism includes two first locking bolts and two second locking bolts, the two first locking bolts are arranged at the two ends of the base body in the third direction, and the two second locking bolts are arranged at the two ends of the base body in the fourth direction; wherein the third direction is perpendicular to the fourth direction, and the third direction and the fourth direction are both perpendicular to the vertical direction.

[0012] In some embodiments of the application, the vertical adjusting part includes a second base connected to the base or the first base, a connecting column arranged on the second base and provided with a plurality of columns around the circumference of the second base, a fixed plate arranged at one end of the connecting column away from the second base and provided with an avoiding hole, a vertical support base arranged on one side of the fixed plate away from the second base, a first guide column arranged on the second base and penetrating the avoiding hole and the vertical support base for guiding cooperation, the first guide column being provided with a plurality of columns around the circumference of the second base, a second guide column arranged on the fixed plate and guiding cooperation with the vertical support base, the second guide column being provided with a plurality of columns around the circumference of the vertical support base, and a hydraulic lifting member arranged on the second base and connected to the vertical support base through the avoiding hole.

[0013] In some embodiments of the application, the vertical adjusting part includes a third displacement detection member for detecting the lifting stroke of the hydraulic lifting member.

[0014] In some embodiments of the present application, the vertical adjusting part comprises a plurality of adjusting pads, which are detachably connected in sequence along the vertical direction, and the vertical support base is connected to the first base or used to support the poloidal field coil through the plurality of adjusting pads.

[0015] According to the jacking method of the poloidal field coil, the center column tool and the poloidal field coil support device according to any one of the preceding embodiments are used, the center column tool comprises a center column body, a plurality of support crossbeams arranged around the circumference of the center column body, and a support bottom column arranged below the support crossbeams, and the method comprises the following steps: arranging a plurality of poloidal field coil support devices around the circumference of the center column according to the installation position of the poloidal field coil, and mounting the bases on the corresponding support crossbeams, and supporting each base through the support bottom column; connecting the magnet clamping plate of the poloidal field coil to the poloidal field coil support device at the corresponding position; adjusting the height of the poloidal field coil through the vertical adjusting parts of the plurality of poloidal field coil support devices; and adjusting the position of the poloidal field coil in the circumferential direction through the horizontal adjusting parts of the plurality of poloidal field coil support devices.

[0016] According to the jacking method of the poloidal field coil, the center column tool and the poloidal field coil support device according to any one of the preceding embodiments are used, the center column tool comprises a center column body, a plurality of support crossbeams arranged around the circumference of the center column body, and a support bottom column arranged below the support crossbeams, and the method comprises the following steps: arranging a plurality of poloidal field coil support devices around the circumference of the center column according to the installation position of the poloidal field coil, and mounting the bases on the corresponding support crossbeams, and supporting each base through the support bottom column; connecting the magnet clamping plate of the poloidal field coil to the poloidal field coil support device at the corresponding position; adjusting the height of the poloidal field coil through the vertical adjusting parts of the plurality of poloidal field coil support devices; and adjusting the position of the poloidal field coil in the circumferential direction through the horizontal adjusting parts of the plurality of poloidal field coil support devices.

[0017] Additional aspects and advantages of the present application will be made apparent from the following description, which provides merely some embodiments of the present application. The aspects and advantages of the present application can be realized and obtained by means of the instrumentalities particularly pointed out in the appended claims. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and be more readily understood through consideration of the following description, taken in conjunction with the accompanying drawings, in which:

[0019] Figure 1 A schematic view of a poloidal field coil support device provided by some embodiments of the present application supporting a poloidal field coil;

[0020] Figure 2 A structural schematic view of a poloidal field coil support device provided by some embodiments of the present application;

[0021] Figure 3 A front view of a horizontal adjusting part provided by some embodiments of the present application;

[0022] Figure 4 A Figure 3 A sectional view taken along A-A;

[0023] Figure 5 A sectional view of the horizontal adjusting part provided for some embodiments of the present application;

[0024] Figure 6 A structural schematic view of the vertical adjusting part provided for some embodiments of the present application;

[0025] Figure 7 A sectional view of the vertical adjusting part provided for some embodiments of the present application;

[0026] Figure 8 A sectional view of the partial structure of the vertical adjusting part provided for some embodiments of the present application Figure 1 ;

[0027] Figure 9 A sectional view of the partial structure of the vertical adjusting part provided for some embodiments of the present application Figure 2 ;

[0028] Figure 10 A schematic view of the poloidal field coil support device and the center column tooling provided for some embodiments of the present application;

[0029] Figure 11 A sectional view of the poloidal field coil support device supporting the poloidal field coil on the Dewar base provided for some embodiments of the present application;

[0030] Figure 12 A structural schematic view of the poloidal field coil temporarily placed in the building provided for some embodiments of the present application;

[0031] Figure 13 A flow chart of the jacking method of the poloidal field coil of some embodiments of the present application.

[0032] Reference signs:

[0033] 100, poloidal field coil support device;

[0034] 10, base;

[0035] 20, vertical adjusting part; 21, second base; 22, connecting column; 23, fixed plate; 23a, avoiding hole; 24, vertical support seat; 25, first guide column; 26, second guide column; 27, hydraulic lifting piece; 28, adjusting pad block; 29, third displacement detection piece;

[0036] 30, horizontal adjusting part;

[0037] 31, first base;

[0038] 32, horizontal support seat; 321, base body; 322, upper seat body; 323, adapter plate;

[0039] 33, first adjusting mechanism; 331, first adjusting member;

[0040] 34, second adjusting mechanism; 342, second adjusting member;

[0041] 35, locking mechanism; 351, first locking bolt; 352, second locking bolt; 36, first displacement detecting member; 37, bearing plate; 371, first plate body; 372, second plate body; 38, pressing plate; 39, second displacement detecting member;

[0042] 200, center column assembly; 210, center column body; 220, support beam; 230, support column; 300, poloidal field coil; 310, first poloidal field coil; 320, second poloidal field coil; 3201, second magnet clamping plate; 400, Dewar base; 500, building. DETAILED DESCRIPTION

[0043] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like reference numerals and characters designate the same or like components throughout the drawing figures. The embodiments described below are exemplary, and are not intended to be limiting of the present application unless otherwise explicitly indicated herein.

[0044] In the description of the present application, it is to be understood that the orientations or positional relationships indicated by 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" and the like are based on the orientations or positional relationships shown in the drawings, and are merely for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0045] In addition, the features defined as "first", "second" can explicitly or implicitly include one or more of the features, for distinguishing the description of the features, without order, without light and heavy.

[0046] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0047] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "linking" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] The polar field coil support device 100 of the embodiment of the present application will be described below with reference to Figures 1-9

[0049] As shown in Figures 1 to 3 , the polar field coil support device 100 of the embodiment of the present application is used for supporting the polar field coil 300 of the PF magnet system of the nuclear fusion device, and the polar field coil support device 100 comprises a base 10, a vertical adjusting part 20 and a horizontal adjusting part 30, the horizontal adjusting part 30, the vertical adjusting part 20 and the base 10 are arranged along a vertical direction, and the horizontal adjusting part 30 and the vertical adjusting part 20 are connected and one of them is arranged on the base 10.

[0050] The horizontal adjusting part 30 comprises a first base 31, a horizontal support seat 32, a first adjusting mechanism 33 and a second adjusting mechanism 34. The first base 31 is connected to the vertical adjusting part 20. The horizontal support seat 32 is movably arranged on the first base 31 along a first direction and a second direction, the first direction is perpendicular to the second direction, and the first direction and the second direction are perpendicular to the vertical direction. The first adjusting mechanism 33 is arranged on the first base 31 and drives the horizontal support seat 32 to move along the first direction. The second adjusting mechanism 34 is arranged on the first base 31 and drives the horizontal support seat 32 to move along the second direction.

[0051] The base 10 can refer to a component for mounting and supporting the vertical adjusting part 20 and the horizontal adjusting part 30, and can be, but is not limited to, alloy steel, stainless steel, aluminum alloy, composite material and the like. The base 10 can be, but is not limited to, a frame structure, a plate structure or a beam structure and the like.

[0052] The vertical adjusting part 20 can refer to a component or mechanism for adjusting the position of the polar field coil 300 in the vertical direction, as shown in Figure 1 and Figure 2 , the vertical direction can be the up-down direction in the figure. The horizontal adjusting part 30 can refer to a mechanism for adjusting the position of the polar field coil 300 in the circumferential direction. The horizontal adjusting part 30, the vertical adjusting part 20 and the base 10 are arranged along the vertical direction, and the horizontal adjusting part 30 and the vertical adjusting part 20 are connected. Alternatively, the horizontal adjusting part 30 can be arranged on the base 10, and the vertical adjusting part 20 is arranged on the top of the horizontal adjusting part 30. Alternatively, with reference to Figure 2 ​The vertical adjusting part 20 can be arranged on the base 10, and the horizontal adjusting part 30 is arranged on the top of the vertical adjusting part 20.

[0053] In the above technical solution, the horizontal adjusting part 30 comprises a first base 31, a horizontal support seat 32, a first adjusting mechanism 33 and a second adjusting mechanism 34. The first base 31 can be a component connected with the vertical adjusting part 20, which can be but is not limited to a frame structure, a plate structure or a beam structure, etc. The connection mode of the first base 31 and the vertical adjusting part 20 can be but is not limited to clamping, bolt connection, riveting mode, etc. The horizontal support seat 32 can be a component that can move in the first direction and the second direction, which can be but is not limited to alloy steel, stainless steel, aluminum alloy and composite material, etc. The first adjusting mechanism 33 can be a component connected with the first base 31 and having an adjusting stroke in the first direction. The second adjusting mechanism 34 can be a component connected with the second base 21 and having an adjusting stroke in the second direction. The first adjusting mechanism 33 and the second adjusting mechanism 34 can be but are not limited to a hydraulic cylinder, an air cylinder, an electric push rod and a wedge-shaped block adjusting mechanism, etc. Exemplarily, referring to Figures 2 to 4 The first direction can be the left-right direction, and the second direction can be the front-rear direction.

[0054] For the convenience of understanding the poloidal field coil support device 100 of the embodiment of the present application, the use scene of the poloidal field coil support device 100 of the embodiment of the present application is described in combination with Figures 1 to 12 In the installation process of the nuclear fusion device, the Dewar base 400 is placed in the foundation pit of the building 500, the center column assembly 200 is installed at the center of the Dewar base 400, the center column assembly 200 comprises a center column body 210, a plurality of support cross beams 220 and a support bottom column 230, the support cross beams 220 are arranged at intervals around the circumference of the center column body 210, each support cross beam 220 is supported on the Dewar base 400 through the support bottom column 230, and the poloidal field coil 300 is temporarily supported and jacked on the center column assembly 200 by the poloidal field coil support device 100.

[0055] The poloidal field coil 300 can comprise a first poloidal field coil 310 and a second poloidal field coil 320, the first poloidal field coil 310 and the second poloidal field coil 320 are annular structures with an inner cavity, the first poloidal field coil 310 is arranged inside the second poloidal field coil 320, wherein the first poloidal field coil 310 can be a PF7 coil, and the second poloidal field coil 320 can be a PF6 coil. When supporting the poloidal field coil 300, the first poloidal field coil 310 and the second poloidal field coil 320 can be temporarily supported and jacked by a plurality of poloidal field coil support devices 100.

[0056] Taking the temporary support and jacking of the second poloidal field coil 320 as an example for description:

[0057] When the second poloidal field coil 320 is needed, a plurality of poloidal field coil support devices 100 are arranged in the circumferential direction of the second poloidal field coil 320, wherein the vertical adjusting part 20 can be arranged on the base 10, and the horizontal adjusting part 30 is arranged on the top of the vertical adjusting part 20. The horizontal adjusting part 30 is supported on the second magnet clamping plate 3201 of the second poloidal field coil 320, so that the poloidal field coil support device 100 can avoid contacting the insulating layer on the surface of the second poloidal field coil 320, and the damage of the insulating layer can be prevented to cause the insulation failure of the second poloidal field coil 320. The vertical adjusting part 20 of the plurality of poloidal field coil support devices 100 can cooperate to adjust the position of the second poloidal field coil 320 in the vertical direction. When the second poloidal field coil 320 needs to be adjusted in the circumferential direction, the first adjusting mechanism 33 of each horizontal adjusting part 30 drives the horizontal support base 32 to fine adjust in the first direction, and the second adjusting mechanism 34 drives the horizontal support base 32 to fine adjust in the second direction. The horizontal adjusting part 30 of the plurality of poloidal field coil support devices 100 can cooperate to adjust the position of the poloidal field coil 300 in the circumferential direction.

[0058] Similarly, the adjustment mode of the first poloidal field coil 310 is referred to the adjustment of the second poloidal field coil 320. When the first poloidal field coil 310 is adjusted by the plurality of poloidal field coil support devices 100, the first poloidal field coil 310 is located on the inner side, the space is relatively narrow, and the operation is relatively troublesome. In the poloidal field coil support device 100 used, the horizontal adjusting part 30 is arranged on the base 10, and the vertical adjusting part 20 is arranged on the top of the horizontal adjusting part 30. The vertical adjusting part 20 is supported on the first magnet clamping plate of the corresponding first poloidal field coil 310.

[0059] When the first poloidal field coil 310 or the second poloidal field coil 320 is supported and jacked up, the number of poloidal field coil support devices 100 can be, but is not limited to, two, three, four, five, six, seven, eight, and the like.

[0060] According to the poloidal field coil support device 100 of the embodiment of the application, the vertical adjusting part 20 can adjust the position of the poloidal field coil 300 in the vertical direction. The horizontal adjusting part 30 can adjust the position of the poloidal field coil 300 in the circumferential direction by being arranged in the structure including the first base 31, the horizontal support base 32, the first adjusting mechanism 33, and the second adjusting mechanism 34. Thus, the position precision and pose of the poloidal field coil 300 during temporary support and jacking up can be ensured, and the installation requirements of the poloidal field coil 300 with large weight, large size, and high position precision can be met.

[0061] In some embodiments of the application, the poloidal field coil support device 100 is arranged as follows: Figure 2 ,Figure 3 and Figure 4 The first adjusting mechanism 33 comprises two first adjusting members 331 arranged at two ends of the first direction of the horizontal support seat 32 and being retractable in the first direction, and the retracting directions of the two first adjusting members 331 are opposite; the second adjusting mechanism 34 comprises two second adjusting members 342 arranged at two ends of the second direction of the horizontal support seat 32 and being retractable in the second direction, and the retracting directions of the two second adjusting members 342 are opposite.

[0062] In the above technical solution, the two first adjusting members 331 can act on the two ends of the first direction of the horizontal support seat 32, so that the two ends of the first direction of the horizontal support seat 32 are subjected to adjusting forces, which can improve the stability and reliability of the horizontal support seat 32 in the first direction adjustment, and the two second adjusting members 342 can act on the two ends of the second direction of the horizontal support seat 32, so that the two ends of the second direction of the horizontal support seat 32 are subjected to adjusting forces, which can improve the stability and reliability of the horizontal support seat 32 in the second direction adjustment, thereby improving the high-precision adjustment of the horizontal adjusting part 30 in the first direction and the second direction.

[0063] In some embodiments of the present application, with reference to Figure 3 The horizontal adjusting part 30 comprises a first displacement detection member 36 and a second displacement detection member 39, each first adjusting member 331 is provided with a corresponding first displacement detection member 36, and the first displacement detection member 36 is used for detecting the retracting stroke of the corresponding first adjusting member 331; each second adjusting member 342 is provided with a corresponding second displacement detection member 39, and the second displacement detection member 39 is used for detecting the retracting stroke of the corresponding second adjusting member 342.

[0064] The first displacement detection member 36 and the second displacement detection member 39 can be, but are not limited to, a laser displacement sensor, a grating displacement sensor, an inductive displacement sensor, etc.

[0065] In the above technical solution, the first displacement detection member 36 and the second displacement detection member 39 can detect the moving stroke of the first adjusting member 331 and the second adjusting member 342 in real time, so that when the plurality of poloidal field coil support devices 100 cooperatively adjust the circumferential direction position of the poloidal field coil 300, the plurality of horizontal support seats 32 are synchronously adjusted to move the same displacement in the first direction and the second direction, if the first adjusting member 331 or the second adjusting member 342 fails to adjust, the first displacement detection member 36 and the second displacement detection member 39 can immediately report an error or a fault, so that the poloidal field coil support device 100 can be immediately stopped for adjustment, and the first adjusting member 331 or the second adjusting member 342 can be ensured to be synchronously adjusted and subjected to uniform force during the horizontal adjustment, thereby avoiding the damage of the poloidal field coil 300 during the adjustment process and improving the reliability of the poloidal field coil support device 100.

[0066] In some embodiments of the present application, with reference to Figure 2 , Figure 3 and Figure 4 , the horizontal adjusting part 30 comprises a locking mechanism 35 for locking or unlocking the horizontal support base 32 and the first base 31.

[0067] In the above technical solution, the locking mechanism 35 can limit the displacement of the horizontal support base 32 in the first direction and the second direction, avoid the position in the first direction and the second direction from deviating after the adjustment of the poloidal field coil 300 is completed, and improve the position accuracy of the poloidal field coil 300 in the circumferential direction.

[0068] In some embodiments of the present application, with reference to Figure 4 and Figure 5 , the horizontal support base 32 comprises a base body 321, an upper seat body 322, and an adapter plate 323, the upper seat body 322 and the base body 321 are connected through the adapter plate 323, the adapter plate 323 is protrusively arranged relative to the bottom of the upper seat body 322 and the base body 321, the first adjusting mechanism 33, the second adjusting mechanism 34, and the locking mechanism 35 act on the base body 321; the horizontal adjusting part 30 comprises a bearing plate 37 and a pressing plate 38, the bearing plate 37 is arranged on the first base 31 and is attached to the bottom of the base body 321, and the pressing plate 38 is connected to the first base 31 and is attached downward to the protruding part of the adapter plate 323.

[0069] In the above technical solution, the bearing plate 37 can bear the weight of the horizontal support base 32, the adapter plate 323 is protrusively arranged relative to the bottom of the upper seat body 322 and the base body 321, and the pressing plate 38 can be connected to the first base 31 and attached downward to the protruding part of the adapter plate 323 to limit the displacement of the horizontal support base 32 in the vertical direction, avoid the horizontal support base 32 from falling off or tilting on the first base 31, improve the stability of the horizontal support base 32, and further improve the structural stability of the horizontal adjusting part 30.

[0070] In some embodiments of the present application, with reference to Figure 4 , the bearing plate 37 can comprise a first plate body 371 and a second plate body 372, the second plate body 372 is detachably arranged on the first plate body 371 and supported on the base body 321, and the surface roughness of the second plate body 372 is smaller than that of the first plate body 371. Since the weight of the poloidal field coil 300 is relatively large, and the weight of the horizontal support base 32 is also relatively large, by arranging the second plate body 372 as a plate with smaller roughness, the friction during the movement and adjustment of the horizontal support base 32 can be reduced, and the adjustment difficulty can be reduced. The second plate body 372 and the first plate body 371 are detachably connected, which is convenient for subsequent replacement and maintenance, and reduces the use cost.

[0071] In some embodiments of the present application, with reference to Figure 4 The locking mechanism 35 includes two first locking bolts 351 and two second locking bolts 352, the two first locking bolts 351 abut the two ends of the third direction of the base body 321, and the two second locking bolts 352 abut the two ends of the fourth direction of the base body 321; wherein the third direction is perpendicular to the fourth direction, and the third direction and the fourth direction are both perpendicular to the vertical direction.

[0072] The first direction, the second direction, the third direction, and the fourth direction can be in a plane, and the first direction, the second direction, the third direction, and the fourth direction are arranged at intervals, and the interval angle can be consistent or inconsistent. For example, with reference to Figure 3 The first direction and the third direction are arranged at an angle of 45 degrees, and the fourth direction and the second direction are arranged at an angle of 45 degrees.

[0073] In the above technical solution, by designing the first locking bolt 351 and the second locking bolt 352, uniform constraint force can be provided to the circumferential direction of the horizontal support seat 32, better limiting effect can be provided to the poloidal field coil 300, position change of the poloidal field coil 300 after adjustment is avoided, and the adjustment accuracy of the poloidal field coil support device 100 is improved. At the same time, by setting the locking mechanism 35 to include two first locking bolts 351 and two second locking bolts 352, the structure is simple, and operation and maintenance are convenient.

[0074] In some embodiments of the present application, with reference to Figures 6 to 9 The vertical adjustment part 20 includes a second base 21, a connecting column 22, a fixed plate 23, a vertical support seat 24, a first guide column 25, a second guide column 26, and a hydraulic lifting piece 27, the second base 21 is connected to the base 10 or the first base 31; the connecting column 22 is provided on the second base 21 and a plurality of connecting columns 22 are arranged around the circumference of the second base 21; the fixed plate 23 is arranged at one end of the connecting column 22 away from the second base 21, and is provided with a avoiding hole 23a; the vertical support seat 24 is arranged on one side of the fixed plate 23 away from the second base 21; the first guide column 25 is arranged on the second base 21 and is guided and matched with the avoiding hole 23a and the vertical support seat 24, and a plurality of first guide columns 25 are arranged around the circumference of the second base 21; the second guide column 26 is arranged on the fixed plate 23 and is guided and matched with the vertical support seat 24, and a plurality of second guide columns 26 are arranged around the circumference of the vertical support seat 24; the hydraulic lifting piece 27 is arranged on the second base 21 and is connected to the vertical support seat 24 through the avoiding hole 23a.

[0075] The number of the connecting column 22, the first guide column 25, and the second guide column 26 can be, but is not limited to, two, three, four, five, etc. The hydraulic lifting piece 27 can be, but is not limited to, a hydraulic cylinder, a hydraulic motor + a mechanical conversion mechanism, a hydraulic jack, etc.

[0076] In the technical scheme, the hydraulic lifting member 27 is arranged at the center of the second base 21 and is used to provide a jacking action at the center of the vertical support seat 24. Based on this, the first guide column 25 can provide a guiding action at the central area of the vertical support seat 24 and the movement of the hydraulic lifting member 27 by connecting the second base 21 and the vertical support seat 24, thereby improving the lifting stability of the vertical support seat 24 and the hydraulic lifting member 27. The second guide column 26 can provide a guiding action at the outer circumferential side of the vertical support seat 24 by connecting the vertical support seat 24 and the fixed plate 23, thereby further improving the lifting stability of the vertical support seat 24, thereby improving the working reliability of the vertical adjusting part 20 and ensuring that the poloidal field coil 300 does not deviate and is eccentric during the lifting process, and ensuring the installation position precision of the poloidal field coil 300.

[0077] In some embodiments of the present application, with reference to Figures 7 to 9 , the connecting column 22 is arranged obliquely with the fixed plate 23, and the top end of the connecting column 22 is farther away from the hydraulic lifting member 27 than the bottom end; the top ends of the plurality of connecting columns 22 form a first projection on a horizontal plane, the plurality of first projections extend in a circumferential direction to form an annular structure, and the second guide column 26 forms a second projection on the horizontal plane, and the second projection and the first projection at least partially overlap in the radial direction of the annular structure.

[0078] In the technical scheme, the connecting column 22 is arranged obliquely with the fixed plate 23, and the connecting column 22 actively bears most of the lateral load, and the force ultimately transmitted to the second base 21 is mainly an axial force, thereby protecting the precise and fragile hydraulic lifting member 27, making the hydraulic lifting member 27 almost only bear a pure axial force, and prolonging the service life and reliability of the hydraulic lifting member 27. The second projection and the first projection at least partially overlap, so that the second guide column 26 is supported below the first guide column 25, thereby optimizing the stress structure of the fixed plate 23, avoiding damage to the fixed plate 23, and prolonging the service life and reliability of the fixed plate 23.

[0079] In some embodiments of the present application, with reference to Figure 7 , the vertical adjusting part 20 comprises a third displacement detection member 29, and the third displacement detection member 29 is used to detect the lifting stroke of the hydraulic lifting member 27.

[0080] The third displacement detection member 29 can also detect the lifting stroke of the hydraulic lifting member 27. The third displacement detection member 29 can be, but is not limited to, a laser displacement sensor, a grating displacement sensor, an inductive displacement sensor, and the like.

[0081] In the technical scheme, the third displacement detection member 29 can detect the lifting stroke of the hydraulic lifting member 27 in real time, so that when the plurality of poloidal field coil support devices 100 cooperatively adjust the vertical position of the poloidal field coil 300, the plurality of vertical adjusting portions 20 are synchronously adjusted to move the same displacement in the vertical direction. If the lifting strokes of the plurality of vertical adjusting portions 20 are inconsistent, the third displacement detection member 29 can immediately report an error or a fault, so that the poloidal field coil support device 100 is immediately stopped for adjustment, thereby avoiding damage to the poloidal field coil 300 during the adjustment process and improving the reliability of the poloidal field coil support device 100. In addition, the third displacement detection member 29 can also detect the pressure received by the hydraulic lifting member 27, so that the poloidal field coil 300 does not deviate or tilt during the jacking process, and the plurality of poloidal field coil support devices 100 can also avoid the situation that the hydraulic lifting member 27 is unevenly stressed or not stressed during the process of the poloidal field coil 300, which is beneficial to ensure that the poloidal field coil 300 is smoothly jacked to the installation position.

[0082] In some embodiments of the present application, with reference to Figure 2 The vertical adjusting portion 20 includes a plurality of adjusting pads 28, and the plurality of adjusting pads 28 are detachably connected in sequence in the vertical direction. The vertical support seat 24 is connected to the first base 31 or used to support the poloidal field coil 300 through the plurality of adjusting pads 28.

[0083] The number of adjusting pads 28 can be, but is not limited to, two, three, four, five, etc. For example, with reference to Figure 2 The number of adjusting pads 28 can be fifteen, and the adjusting pads 28 are connected to the first base 31. Any two adjacent adjusting pads 28 in the plurality of adjusting pads 28 can be connected by a bolt, and the plurality of adjusting pads 28 can be connected in series by a rod.

[0084] It can be understood that a plurality of poloidal field coil support devices 100 are arranged below the poloidal field coil 300. After the poloidal field coil 300 is lifted to a certain height by the plurality of hydraulic lifting members 27, one hydraulic lifting member 27 is lowered, and the number of adjusting pads 28 of the lowered hydraulic lifting member 27 is increased, and so on. The same number of adjusting pads 28 is added to each vertical adjusting portion 20, so that the lifting range of the vertical adjusting portion 20 can be increased. The lowered hydraulic lifting member 27 is lifted again to the lower side of the poloidal field coil 300, and the poloidal field coil 300 is continuously lifted. Through multiple cycles, the poloidal field coil 300 can be lifted to the installation position. In this way, the small-stroke high-precision hydraulic lifting member 27 can realize a larger lifting stroke, and the height of the poloidal field coil 300 can be slowly adjusted, so that the height adjustment precision of the poloidal field coil 300 can be improved.

[0085] In the above technical solution, by gradually increasing the number of adjusting pads 28, the lifting range of the vertical adjusting part 20 can be increased, avoiding the problem of poor stability and reliability caused by the large lifting height of the hydraulic lifting part 27 during large lifting stroke adjustment, and being conducive to improving the height adjustment reliability of the vertical adjusting part 20 to the poloidal field coil 300. At the same time, the above scheme is also conducive to installation and disassembly in a limited space at the bottom, and the position of the bottom adjusting pad 28 is adjusted by the adjusting pad 28, so as to ensure the installation position accuracy and the safety during lifting.

[0086] Reference Figure 1 、 Figures 10 to 12 According to the jacking method of the poloidal field coil 300, the center column tool 200 and the poloidal field coil support device 100 according to any one of the above embodiments are used. The center column tool 200 includes a center column body 210, a plurality of support cross beams 220 arranged around the circumference of the center column body 210, and a support bottom column 230 arranged below the support cross beams 220.

[0087] Reference Figure 13 The jacking method of the poloidal field coil 300 according to the embodiment of the present application comprises:

[0088] Step S1, according to the installation position of the poloidal field coil 300, a plurality of poloidal field coil support devices 100 are arranged around the circumferential direction of the center column, and the base 10 is installed on the corresponding position of the support cross beam 220, and the bottom of each base 10 is supported by the support bottom column 230 on the Dewar base 400.

[0089] Step S2, the magnet clamping plate of the poloidal field coil 300 is connected to the corresponding position of the poloidal field coil support device 100;

[0090] Step S3, the height of the poloidal field coil 300 is adjusted by the vertical adjusting parts 20 of the plurality of poloidal field coil support devices 100 cooperating with each other.

[0091] Step S4, the position of the poloidal field coil 300 in the circumferential direction is adjusted by the horizontal adjusting parts 30 of the plurality of poloidal field coil support devices 100 cooperating with each other.

[0092] The support bottom column 230 is supported on the Dewar base 400, which can improve the structural strength and torsional resistance of the support cross beam 220. In addition, one or more spacers can be arranged between the support bottom column 230 and the Dewar base 400 to ensure that the support bottom column 230 and the Dewar base 400 can abut, and to ensure that the Dewar base 400 can provide support force to the support bottom column 230.

[0093] The lifting method of the poloidal field coil 300 in the above embodiment of the present invention can be specifically referred to the description of the poloidal field coil support device 100 above. The poloidal field coil 300 may include a first poloidal field coil 310 and a second poloidal field coil 320. The first poloidal field coil 310 may be temporarily supported and lifted by multiple poloidal field coil support devices 100, and the second poloidal field coil 320 may also be temporarily supported and lifted by multiple poloidal field coil support devices 100.

[0094] According to the lifting method of the poloidal field coil 300 of the present invention, the position of the poloidal field coil 300 in the vertical direction and the circumferential direction can be precisely adjusted by the poloidal field coil support device 100 to meet the installation requirements of the poloidal field coil 300 at the bottom of the nuclear fusion device.

[0095] The following is combined Figures 1 to 9 This describes a specific embodiment of the poloidal field coil support device 100 of the present invention supporting a poloidal field coil 300.

[0096] The poloidal field coil 300 includes a first poloidal field coil 310 and a second poloidal field coil 320. The diameter of the first poloidal field coil 310 is smaller than that of the second poloidal field coil 320, and it is located inside the second poloidal field coil 320. The first poloidal field coil 310 is supported on the central column fixture 200 by multiple poloidal field coil support devices 100, and the second poloidal field coil 320 is also supported on the central column fixture 200 by multiple poloidal field coil support devices 100. Specifically, a first magnet clamp below the first poloidal field coil 310 is supported on a corresponding poloidal field coil support device 100, and a second magnet clamp 3201 of the second poloidal field coil 320 is supported on a corresponding poloidal field coil support device 100.

[0097] Among them, the poloidal field coil support device 100 corresponding to the second poloidal field coil 320 includes a base 10, a vertical adjustment part 20 and a horizontal adjustment part 30, and the horizontal adjustment part 30, the vertical adjustment part 20 and the base 10 are arranged in the vertical direction.

[0098] The vertical adjustment unit 20 includes a second base 21, a connecting column 22, a fixing plate 23, a vertical support 24, a first guide column 25, a second guide column 26, a hydraulic lifting component 27, a third displacement detection component, and multiple adjusting pads 28.

[0099] The second base 21 is connected to the base 10. The connecting column 22 is arranged on the second base 21 and is arranged in plurality around the circumference of the second base 21. The fixing plate 23 is arranged at the end of the connecting column 22 away from the second base 21 and is provided with the avoiding hole 23a. The vertical support seat 24 is arranged at the side of the fixing plate 23 away from the second base 21. The first guide column 25 is arranged on the second base 21 and is arranged in plurality around the circumference of the vertical adjusting part. The second guide column 26 is arranged on the fixing plate 23 and is arranged in plurality around the circumference of the second base 21. The hydraulic lifting part 27 is arranged on the second base 21 and is connected to the vertical support seat 24 through the avoiding hole 23a. The third displacement detection part 29 is used for detecting the lifting stroke of the hydraulic lifting part 27. The plurality of adjusting pads 28 are connected in sequence along the vertical direction and are detachable. The vertical support seat 24 is connected to the first base 31 or is used for supporting the second polar field coil 320 through the plurality of adjusting pads 28.

[0100] The horizontal adjusting part 30 includes the first base 31, the horizontal support seat 32, the first adjusting mechanism 33, the second adjusting mechanism 34, the locking mechanism 35, the first displacement detection part, the second displacement detection part, the bearing plate 37 and the pressing plate 38. The first base 31 is connected to the plurality of adjusting pads 28 at the uppermost end of the plurality of adjusting pads 28.

[0101] The horizontal support seat 32 includes the base body 321, the upper seat body 322 and the adapter plate 323. The upper seat body 322 and the base body 321 are connected through the adapter plate 323. The adapter plate 323 is protruded relative to the bottom of the upper seat body 322 and the base body 321. The first adjusting mechanism 33, the second adjusting mechanism 34 and the locking mechanism 35 act on the base body 321.

[0102] The first adjusting mechanism 33 includes two first adjusting parts 331. The two first adjusting parts 331 are hydraulic cylinders and are arranged at the two ends of the first direction of the horizontal support seat 32 and are retractable along the first direction. The retracting directions of the two first adjusting parts 331 are opposite. The second adjusting mechanism 34 includes two second adjusting parts 342. The two second adjusting parts 342 are hydraulic cylinders and are arranged at the two ends of the second direction of the horizontal support seat 32 and are retractable along the second direction. The retracting directions of the two second adjusting parts 342 are opposite. The first direction is perpendicular to the second direction. The first direction and the second direction are perpendicular to the vertical direction.

[0103] The locking mechanism 35 comprises two first locking bolts 351 and two second locking bolts 352, the two first locking bolts 351 are arranged at the two ends of the third direction of the base body 321, and the two second locking bolts 352 are arranged at the two ends of the fourth direction of the base body 321. The third direction and the first direction are arranged at an angle of 45 degrees, and the fourth direction and the second direction are arranged at an angle of 45 degrees. Each first adjusting member 331 is provided with a first displacement detection member 36 corresponding thereto, and the first displacement detection member 36 is used for detecting the telescopic stroke of the corresponding first adjusting member 331. Each second adjusting member 342 is provided with a second displacement detection member 39 corresponding thereto, and the second displacement detection member 39 is used for detecting the telescopic stroke of the corresponding second adjusting member 342.

[0104] The bearing plate 37 is arranged on the first base 31 and is attached to the bottom of the base body 321. The pressing plate 38 is connected to the first base 31 and is attached to the protruding part of the adapter plate 323 downward.

[0105] In the description of the present specification, the description of the terms "some embodiments", "optionally", "further", or "some examples" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiments or examples are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0106] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A poloidal field coil support device for supporting a poloidal field coil of a PF magnet system of a nuclear fusion device, characterized by, The poloidal field coil support device comprises a base, a vertical adjusting part and a horizontal adjusting part, the horizontal adjusting part, the vertical adjusting part and the base are arranged along a vertical direction, one of the horizontal adjusting part and the vertical adjusting part is connected and the other is arranged on the base; the horizontal adjusting part comprises: a first base connected to the vertical adjusting part; a horizontal support seat movably arranged on the first base along a first direction and a second direction, the first direction being perpendicular to the second direction, the first direction and the second direction being perpendicular to the vertical direction; a first adjusting mechanism arranged on the first base and driving the horizontal support seat to move along the first direction, the first adjusting mechanism comprising two first adjusting members, the two first adjusting members being arranged at two ends of the horizontal support seat along the first direction and being retractable along the first direction; a second adjusting mechanism arranged on the first base and driving the horizontal support seat to move along the second direction, the second adjusting mechanism comprising two second adjusting members, the two second adjusting members being arranged at two ends of the horizontal support seat along the second direction and being retractable along the second direction; the horizontal adjusting part comprising a first displacement detection member and a second displacement detection member, each of the first adjusting members being provided with the first displacement detection member corresponding thereto, the first displacement detection member being used for detecting the retractable stroke of the corresponding first adjusting member; each of the second adjusting members being provided with the second displacement detection member corresponding thereto, the second displacement detection member being used for detecting the retractable stroke of the corresponding second adjusting member; the horizontal adjusting part comprising a locking mechanism for locking or unlocking the horizontal support seat and the first base.

2. The poloidal field coil support apparatus according to claim 1, characterized by, The retractable directions of the two first adjusting members are opposite; the retractable directions of the two second adjusting members are opposite.

3. The poloidal field coil support apparatus according to claim 1, characterized by, The horizontal support seat comprises a base body, an upper seat body and an adapter plate, the upper seat body and the base body being connected through the adapter plate, the adapter plate being protrudingly arranged relative to the bottom of the upper seat body and the base body, the first adjusting mechanism, the second adjusting mechanism and the locking mechanism acting on the base body; the horizontal adjusting part comprising a bearing plate and a pressing plate, the bearing plate being arranged on the first base and being attached to the bottom of the base body, the pressing plate being connected to the first base and being attached downward to the protruding part of the adapter plate.

4. The poloidal field coil support apparatus according to claim 3, characterized by The locking mechanism comprises two first locking bolts and two second locking bolts, the two first locking bolts being abutted at two ends of a third direction of the base body, the two second locking bolts being abutted at two ends of a fourth direction of the base body; wherein the third direction is perpendicular to the fourth direction, the third direction and the fourth direction being both perpendicular to the vertical direction.

5. The poloidal field coil support apparatus according to claim 1, characterized by, The vertical adjusting part comprises: a second base connected to the base or the first base; a connecting column arranged on the second base and provided with a plurality of columns around the circumference of the second base; a fixed plate arranged at one end of the connecting column away from the second base and provided with a clearance hole; a vertical support seat arranged on one side of the fixed plate away from the second base; A first guide post is arranged on the second base and is guided through the avoiding hole and the vertical support seat, and the first guide post is arranged in multiple around the circumference of the second base; A second guide post is arranged on the fixed plate and is guided through the vertical support seat, and the second guide post is arranged in multiple around the circumference of the vertical support seat; A hydraulic lifting member is arranged on the second base and is connected with the vertical support seat through the avoiding hole.

6. The poloidal field coil support apparatus according to claim 5, characterized in that, The vertical adjusting part comprises a third displacement detection member for detecting the lifting stroke of the hydraulic lifting member.

7. The poloidal field coil support arrangement according to claim 5 or 6, characterized in that The vertical adjusting part comprises multiple adjusting pads which are detachably connected in sequence along the vertical direction, and the vertical support seat is connected with the first base or is used for supporting the poloidal field coil through the multiple adjusting pads.

8. A method of jacking a poloidal field coil, characterized by, A method for installing a poloidal field coil using a central column tool and a poloidal field coil support device as claimed in any one of claims 1 to 7, the central column tool comprising a central column body, multiple support beams arranged around the circumference of the central column body, and a support base column arranged below the support beams, the method comprising: Arranging multiple poloidal field coil support devices around the circumference of the central column according to the installation position of the poloidal field coil, and mounting the base on the support beam at the corresponding position, and supporting the base below each poloidal field coil support device through the support base column and the Dewar base; Connecting the magnet clamping plate of the poloidal field coil with the poloidal field coil support device at the corresponding position; Adjusting the height of the poloidal field coil through the vertical adjusting parts of the multiple poloidal field coil support devices; Adjusting the position of the poloidal field coil in the circumferential direction through the horizontal adjusting parts of the multiple poloidal field coil support devices.

Images