A clamp and docking system suitable for installation of components of large nuclear fusion devices

Abstract

The application discloses a clamp and butt joint system suitable for large nuclear fusion device component installation, and relates to the field of nuclear fusion device assembly design, which comprises a clamp block and a clamp plate, wherein the clamp block and the clamp plate are detachably connected through a first adjusting part; the opposite surfaces of the clamp block and the clamp plate are provided with clamping ends capable of clamping towards each other; the clamping end of the clamp block is provided with a detachable second pad plate; the clamping end of the clamp plate is provided with a detachable third pad plate; a flange connecting block is placed on the flange edge surface of a second installation component, and the flange connecting block is detachably connected with the flange edge surface through flange studs on the flange edge; and the flange connecting block is detachably connected with the clamp plate through a second adjusting part. The assembly clamp can complete the assembly of different functional components of a large nuclear fusion device, and the adjusting capacity of the clamp can achieve good installation precision.

Description

Technical Field

[0001] This invention relates to the field of nuclear fusion device assembly design, and specifically to a clamp and docking system suitable for installing components of large nuclear fusion devices. Background Technology

[0002] With the advancement of fusion science research, large-scale nuclear fusion devices and commercial fusion reactors are currently being developed and designed internationally. The plasma operating parameters for large-scale fusion devices and commercial fusion reactors are demanding, while simultaneously balancing economic efficiency and stability. The main components of these devices (such as vacuum chambers and magnets) are large in size and weight, with individual components weighing tens, hundreds, or even thousands of tons, such as Dewar flares and vacuum chambers. Traditional fusion devices are primarily for scientific research and are relatively small in scale. Their assembly methods often involve connecting components into functional units through welding or bolting before hoisting the entire unit. If this method were used for the installation of large-scale fusion devices and commercial fusion reactors, it would place extremely stringent requirements on cranes, lifting equipment, and other tooling. Therefore, the assembly design for large-scale fusion devices increasingly adopts a method of first assembling multiple functional components into smaller, lighter modules based on the smallest repeating units. These modules are then hoisted to their assembly location, and finally welded or bolted together to form a single unit.

[0003] In the assembly and integration of different functional components among large components of future nuclear fusion devices, the challenge of assembling adjacent surfaces of large functional components to be welded and bolted will arise. For example, the assembly of components such as Dewars, vacuum chambers, and cold shields requires fixing the component to be bolted to the component to be welded, adjusting the relative positions of the components, and then hoisting the entire assembly to its final position for welding or bolting. This necessitates the design of an installation fixture that can fix the components to be welded and bolted to the components while also providing adjustment capabilities.

[0004] The compactness of large-scale nuclear fusion devices, especially commercial fusion reactors, has a significant impact on their economic viability, as the assembly spacing between components is small. This necessitates that the mounting fixture be small in size and highly flexible. Since many components of magnetic confinement fusion devices have curved or surface designs, the mating surfaces between large component modules are often D-shaped, O-shaped, or S-shaped. This requires the mounting fixture to be capable of accommodating multi-curvature mating while maintaining a stable load-bearing capacity of tens to hundreds of tons. Currently, mounting fixtures for large components are mostly designed for specific purposes; a single fixture can only be applied to a specific location and lacks adjustability, or it cannot meet the assembly requirements of curved or surface designs.

[0005] Therefore, it is essential to design a compact, flexible, adjustable, and stable load-bearing installation fixture to address the problem of assembling adjacent surfaces for welding and bolted connections when different components are assembled. This is crucial for the assembly of large nuclear fusion devices and commercial fusion reactors. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention aims to provide a fixture and docking system suitable for installing components of large-scale nuclear fusion devices. This assembly fixture enables the assembly of different functional components of a large-scale nuclear fusion device, and its adjustability achieves good installation accuracy. Furthermore, the fixture is adaptable to assemblies with various sizes and curvatures of mating surfaces, exhibiting good flexibility.

[0007] This invention is achieved through the following technical solution:

[0008] A fixture for mounting components of a large nuclear fusion device, comprising:

[0009] The clamping block and the clamping plate are detachably connected by a first adjusting member, and the distance between their opposing surfaces is variable; the opposing surfaces of the clamping block and the clamping plate have clamping ends that can clamp each other; the clamping end of the clamping block has a detachable second pad, and the clamping end of the clamping plate has a detachable third pad; the second pad and the third pad are used to clamp the protruding butt welding edge on the first mounting component.

[0010] A flange connecting block is placed on the flange edge surface of the second mounting component, and the flange connecting block is detachably connected to the flange edge surface via flange studs on the flange edge; the flange connecting block is detachably connected to the clamping plate via a second adjusting member.

[0011] The opposing surfaces between the second and third pads are clamping surfaces adapted to the profiles on both sides of the welding eaves; the bottom surface of the flange connecting block is a placement surface adapted to the shape of the flange edge surface.

[0012] Compared to existing technologies, which often suffer from small assembly spacing between components in nuclear fusion devices and whose components are mostly curved or surface-designed, resulting in a single fixture being applicable only to a specific location and lacking adjustability, or failing to meet the requirements of adjacent assembly for curved or surface-designed devices, this invention provides a fixture and docking system suitable for installing components in large nuclear fusion devices. The fixture is compact and highly flexible, enabling the assembly of different functional components of large nuclear fusion devices, and its adjustability achieves good installation accuracy. Furthermore, the fixture can adapt to the assembly of docking surfaces of various sizes and curvatures, exhibiting excellent flexibility. In this invention, the longitudinal direction refers to the platform thickness direction of the clamping block, the polar direction refers to the platform length direction of the clamping block, and the transverse direction refers to the platform width direction of the clamping block; the welding eaves are arc-shaped or planar elongated structures, and the flange edges are arc-shaped or planar elongated structures. The specific solution includes a clamping block, a clamping plate, and a flange connecting block. The clamping block has a cuboid structure, and the clamping plate has a rectangular plate structure. The clamping block and clamping plate clamp and fix the welding eaves on the first mounting component under the adjustment of the first adjusting component, that is, they clamp each other through the clamping ends. The flange connecting block is placed directly on the flange edge surface of the second mounting component and is connected with the flange studs on the flange edge to achieve fixation. Finally, the flange connecting block and the clamping plate are connected by the second adjusting component, which can complete the flexible assembly of the assembly fixture and quickly complete the adjacent assembly of the welding surface and the bolting surface of the large functional component with a small assembly gap. The opposing surfaces of the second and third gaskets can be machined and designed according to the specific shape of the welding eaves on the first mounting component to fit the corresponding profile, thus ensuring better installation and fixation with the welding eaves. Similarly, the bottom surface shape of the flange connecting block can be machined and designed according to the specific shape of the flange face on the second mounting component to fit the corresponding profile, thus ensuring better installation and fixation with the flange face. This allows the second and third gaskets and flange connecting blocks to be prefabricated in various shapes and sizes. During actual assembly, the appropriate second and third gaskets and flange connecting blocks can be selected according to different profiles, quickly adapting to different curvatures and dimensions on the mounting surface, resulting in high assembly flexibility. Therefore, with this method, for different curvatures and dimensions on the mounting surface, it is not necessary to replace the entire fixture; only some parts need to be replaced to complete the installation and fixation. Thus, this assembly fixture is both adjustable and has stable load-bearing capacity.

[0013] To further optimize the assembly of the clamping block and the clamping plate, the clamping block has a first platform and a third platform at its two ends in the lateral direction facing the inner side of the clamping plate. The first platform is a clamping end, and the third platform extends toward the clamping plate and is used to abut against the inner side of the clamping plate facing the clamping block.

[0014] The first adjusting component is an adjusting bolt, which is located between the first platform and the third platform. In this design, the thickness of the third platform is greater than that of the first platform, and it extends towards the clamping plate to abut against the surface of the clamping plate. The adjusting bolt is located between the first platform and the third platform, and there are several of them along the polar direction. Thus, by screwing the adjusting bolt into its thread, the clamping distance can be adjusted and a stable connection can be achieved. While the two clamping ends are clamping each other, the third platform simultaneously acts on the clamping plate, forming a force balance.

[0015] Furthermore, the clamping block has a second platform on its inner side facing the clamping plate. The second platform is located between the first platform and the third platform, and the height of the second platform is between the first platform and the third platform.

[0016] The second platform has several countersunk holes running longitudinally and penetrating the inner and outer sides of the clamping block. The clamping plate has several first threaded holes running longitudinally and penetrating its own inner and outer sides. The second countersunk holes and the first threaded holes correspond one-to-one and are coaxially arranged. The adjusting bolt is used to connect the second countersunk holes and the first threaded holes in sequence. In this design, by designing the second platform, the connection thickness of the adjusting bolt is increased and adjusted. The adjusting bolt passes through the second countersunk holes and the first threaded holes, and stable clamping can be achieved by tightening the adjusting bolt.

[0017] To further optimize the system and avoid hard contact between the clamping block and the clamping plate, and to compensate for the gap between them, a first pad is also provided between the third platform and the clamping plate.

[0018] To further optimize the design and enable detachable connection of each pad, the clamping end of the clamping block has several first countersunk through holes that pass through it, and the second pad has several third threaded holes that are compatible with the first countersunk through holes.

[0019] The clamping end of the clamping plate has several third countersunk through holes that pass through it, and the third pad has several fourth threaded holes that are adapted to the third countersunk through holes.

[0020] The clamping plate has several fourth countersunk holes that penetrate itself at one end away from the clamping end, and the first pad has several fifth threaded holes that are adapted to the fourth countersunk holes.

[0021] The first countersunk hole and the third threaded hole, the third countersunk hole and the fourth threaded hole, and the fourth countersunk hole and the fifth threaded hole are all connected by fastening bolts, and the tail of each fastening bolt does not penetrate the third, fourth, or fifth threaded hole. In this design, the length of the fastening bolts should be reasonably selected, and the screw tip should not protrude from the surface of the washer plate while ensuring stable fixation of the washer plate. All three washer plates are cuboid structures, and the length and width in the polar direction of the three washer plates are consistent.

[0022] To further optimize the design and prevent stress concentration that could deform the first pad, the third platform is tilted away from the clamping plate on the side facing the clamping end. In this design, because the adjusting bolt is closer to the third platform than the two ends of the clamping block, when the second and third pads are clamped together by tightening the adjusting bolt, the clamping block tends to tilt towards the clamping end. Therefore, the third platform has a small-angle inclined surface that tilts towards the second platform. This ensures that after clamping, the inclined surface maintains surface contact between the third platform and the first pad, preventing stress concentration and deformation.

[0023] To further optimize the installation, in order to adjust the installation distance and height gap to adapt to different installation requirements, the clamping plate has lugs on both sides along its own polar direction, and the lugs have a first waist-shaped hole that penetrates itself, and the length direction of the first waist-shaped hole is set in the transverse direction.

[0024] The flange connecting block has a second threaded hole penetrating itself on both sides along its own polar direction.

[0025] The second adjusting component is a screw, one end of which passes through the first oblong hole and is threadedly connected to the second threaded hole; a first nut is screwed onto both sides of the screw on the clamping plate. In this design, lugs are provided on both sides of the clamping plate, and the first oblong hole is provided on the lug and extends longitudinally through the lug, so as to form a compact size while forming lateral and longitudinal adjusting components on both sides. In this way, the assembly position can be adjusted along the length direction of the first oblong hole; in addition, the second adjusting component is a screw, and the assembly height clearance can be adjusted by adjusting the two first nuts on the screw.

[0026] To further optimize the design and allow for more clamping end faces while forming a compact clamp, the clamping plate has a narrow end and a wide end at its two ends along its lateral direction, and the distance from the narrow end to the lug is less than the distance from the wide end to the lug.

[0027] To further optimize the connection and increase the thickness between the screw and the second threaded hole, the flange connecting block has steps on both sides along its own polar direction, and the steps protrude toward the clamping plate; the second threaded hole is disposed on the steps.

[0028] To further optimize the design, in order to adjust the lateral position between the flange connecting block and the second mounting component, the flange connecting block has a second oblong hole that connects to the flange stud, and a second nut is fitted onto one end of the flange stud that passes through the second oblong hole;

[0029] The flange connecting block has a number of second waist-shaped holes in sequence along its own polar direction, and the length direction of the second waist-shaped holes is arranged laterally.

[0030] To further optimize the structure and improve the structural strength of the flange connecting block, a rib is provided on the side of the flange connecting block facing the clamping end. The rib and the flange connecting block are integrally formed.

[0031] To further optimize the design and avoid hard contact, a first soft pad is provided on the surface of the second pad relative to the third pad; a second soft pad is provided on the surface of the third pad relative to the second pad; and a third soft pad is provided on the placement surface of the flange connecting block.

[0032] To further optimize the process, several lifting holes are provided on the outer surface of the clamping block to facilitate the hoisting of the weighted clamping block to the designated assembly position.

[0033] Furthermore, the present invention provides a docking system, including several clamps suitable for installing components of large nuclear fusion devices; the butt welding edge of the first mounting component and the flange edge of the second mounting component are connected by several clamps.

[0034] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0035] 1. This invention provides a fixture suitable for installing components in large nuclear fusion devices. Multiple fixtures at different positions stably fix two components to be installed together, thereby completing the adjacent assembly of a first component to be welded and a second component to be bolted together. By adjusting the height difference of the three platforms of the clamping blocks, it can accommodate different thicknesses of the welding eaves of the components to be installed. The bottom surface of the pad or flange connecting block can be machined into various shapes and sizes to accommodate different curvatures and dimensions of the mounting surfaces of the components to be installed, providing good flexibility. By adjusting the position of the stud and the first nut, it can accommodate different gap requirements between the two components to be installed, and with the help of measuring tools, high installation accuracy can be achieved.

[0036] 2. This invention provides a fixture suitable for installing components of large-scale nuclear fusion devices. Since large-scale nuclear fusion devices are extremely rare, and some are still in the design or construction phase, especially future commercial fusion reactors which are in the conceptual design stage, there is currently limited international experience in engineering installation schemes for large components of large-scale nuclear fusion devices, with few reference options. Therefore, this invention provides an installation solution for the adjacent assembly of welding and bolting surfaces of large functional components. By flexibly adjusting the number and distribution of fixtures, the connection stability between assembled components can be increased. Furthermore, compared to the large components of large-scale nuclear fusion devices, this fixture has a relatively small size, and the bolting method is simple to operate. Therefore, the fixture proposed in this invention, suitable for installing components of large-scale nuclear fusion devices, enables adjacent assembly of welding and bolting surfaces of different functional components of large-scale nuclear fusion devices, achieving better stability and installation accuracy between the components. It can also adapt to the assembly of mating surfaces of various sizes and curvatures between large components. Attached Figure Description

[0037] To more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of the present invention and should not be considered as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort. In the drawings:

[0038] Figure 1 This is a schematic diagram of the clamp provided by the present invention during the clamping process;

[0039] Figure 2 A schematic diagram of the axial side of the fixture provided by the present invention;

[0040] Figure 3 This is a schematic diagram of another axial side of the clamp provided by the present invention.

[0041] The attached diagram shows the markings and corresponding component names:

[0042] 1-Clamping block, 2-Clamping plate, 3-Flange connecting block, 4-First nut, 5-First mounting component, 6-Butt welding flange, 7-Second mounting component, 8-Flange stud, 11-Lifting hole, 12-First countersunk through hole, 13-First platform, 14-Second countersunk through hole, 15-Second platform, 16-Third platform, 21-Lug, 22-First slotted hole, 23-First threaded hole, 24-Third countersunk through hole, 25-Third threaded hole, 31-Second slotted hole, 32-Step, 33-Rib, 34-Second threaded hole, 41-First pad, 42-Second pad, 43-Third pad, 44-First soft pad, 45-Second soft pad, 46-Third soft pad, 47-Second adjusting component, 48-First adjusting component, 49-Fasting bolt. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of the present invention are only used to explain the present invention and are not intended to limit the present invention.

[0044] Example 1:

[0045] This embodiment 1 provides a fixture suitable for installing components of a large nuclear fusion device, such as... Figures 1-3 As shown, it includes:

[0046] The clamping block 1 and the clamping plate 2 are detachably connected by a first adjusting member 48, and the distance between their opposing surfaces is variable; the opposing surfaces of the clamping block 1 and the clamping plate 2 have clamping ends that can clamp each other; the clamping end of the clamping block 1 is equipped with a detachable second pad 42, and the clamping end of the clamping plate 2 is equipped with a detachable third pad 43; the second pad 42 and the third pad 43 are used to clamp the protruding butt welding eaves 6 on the first mounting component 5.

[0047] Flange connecting block 3 is placed on the flange edge surface of the second mounting component 7, and the flange connecting block 3 is detachably connected to the flange edge surface via flange studs 8 on the flange edge; the flange connecting block 3 is detachably connected to the clamping plate 2 via the second adjusting component 47.

[0048] The opposing surfaces between the second pad 42 and the third pad 43 are clamping surfaces adapted to the profiles on both sides of the welding eaves 6; the bottom surface of the flange connecting block 3 is a placement surface adapted to the shape of the flange edge surface.

[0049] Compared to existing technologies, which often suffer from small assembly spacing between components in nuclear fusion devices and whose components are mostly curved or surface-designed, resulting in a single fixture being applicable only to a specific location and lacking adjustability, or failing to meet the requirements of adjacent assembly for curved or surface-designed components, this invention provides a fixture and docking system suitable for installing components in large nuclear fusion devices. The fixture is compact and highly flexible, enabling the assembly of different functional components of large nuclear fusion devices. Its adjustability allows for good installation accuracy. Furthermore, the fixture can adapt to the assembly of docking surfaces of various sizes and curvatures, exhibiting excellent flexibility. In this invention, the longitudinal direction refers to the platform thickness direction of clamping block 1, the polar direction refers to the platform length direction of clamping block 1, and the transverse direction refers to the platform width direction of clamping block 1; the welding eaves 6 are arc-shaped or planar elongated structures, and the flange edges are arc-shaped or planar elongated structures. The specific solution includes a clamping block 1, a clamping plate 2, and a flange connecting block 3. The clamping block 1 has a cuboid structure, and the clamping plate 2 has a rectangular plate structure. The clamping block 1 and the clamping plate 2 clamp and fix the butt welding eaves 6 on the first mounting component 5 under the adjustment of the first adjusting member 48, that is, they clamp each other through the clamping ends. The flange connecting block 3 is placed directly on the flange edge surface of the second mounting component 7 and is connected with the flange studs 8 on the flange edge to achieve fixation. Finally, the flange connecting block 3 and the clamping plate 2 are connected by the second adjusting member 47, which can complete the flexible assembly of the assembly fixture and quickly complete the adjacent assembly of the welding surface and the bolting surface of the large functional component with a small assembly gap. The opposing surfaces of the second pad 42 and the third pad 43 can be machined and designed according to the specific shape of the welding eaves 6 on the first mounting component 5 to fit the corresponding profile, thereby achieving better installation and fixation with the welding eaves 6. Similarly, the bottom surface shape of the flange connecting block 3 can be machined and designed according to the specific shape of the flange face on the second mounting component 7 to fit the corresponding profile, thereby achieving better installation and fixation with the flange face. In this way, the second pad 42, the third pad 43, and the flange connecting block 3 can be prefabricated into various shapes and sizes. During actual assembly and use, the appropriate second pad 42, the third pad 43, and the flange connecting block 3 can be selected according to different profiles, thereby quickly adapting to different curvatures and dimensions on the mounting surface, resulting in high assembly flexibility. Therefore, through this method, for different curvatures and dimensions on the mounting surface, it is not necessary to replace the entire fixture; only some parts need to be replaced to complete the installation and fixation. Thus, this assembly fixture is both adjustable and has stable load-bearing capacity.

[0050] In this embodiment, in order to stably assemble the clamping block 1 and the clamping plate 2, the clamping block 1 has a first platform 13 and a third platform 16 at both ends of the inner side of the clamping plate 2 in the lateral direction. The first platform 13 is the clamping end, and the third platform 16 extends toward the clamping plate 2 and is used to abut against the inner side of the clamping plate 2 toward the clamping block 1.

[0051] The first adjusting component 48 is an adjusting bolt, and the adjusting bolt is located between the first platform 13 and the third platform 16. In this design, the thickness of the third platform 16 is greater than the thickness of the first platform 13, and it extends towards the clamping plate 2 to abut against the surface of the clamping plate 2; the adjusting bolt is located between the first platform 13 and the third platform 16, and there are several of them along the polar direction. In this way, the clamping distance can be adjusted and a stable connection can be achieved by screwing the adjusting bolt into the thread; while the two clamping ends are clamped towards each other, the third platform 16 simultaneously acts on the clamping plate 2, forming a force balance.

[0052] In this embodiment, the clamping block 1 also has a second platform 15 on its inner side facing the clamping plate 2. The second platform 15 is located between the first platform 13 and the third platform 16, and the height of the second platform 15 is between the first platform 13 and the third platform 16.

[0053] The second platform 15 has several countersunk holes 14 extending longitudinally and penetrating the inner and outer sides of the clamping block 1. The clamping plate 2 has several first threaded holes 23 extending longitudinally and penetrating its own inner and outer sides. The second countersunk holes 14 and the first threaded holes 23 correspond one-to-one and are coaxially arranged. The adjusting bolt is used to connect the second countersunk holes 14 and the first threaded holes 23 in sequence. In this solution, by designing the second platform 15, the connection thickness of the adjusting bolt is increased and adjusted. The adjusting bolt passes through the second countersunk holes 14 and the first threaded holes 23 for connection, and stable clamping can be achieved by tightening the adjusting bolt.

[0054] In this embodiment, in order to avoid hard contact between the clamping block 1 and the clamping plate 2 and to compensate for the gap between them, a first pad 41 is also provided between the third platform 16 and the clamping plate 2.

[0055] In this embodiment, in order to achieve detachable connection of each pad, the clamping end of the clamping block 1 is provided with a number of first countersunk through holes 12 that pass through itself, and the second pad 42 is provided with a number of third threaded holes 25 that are adapted to the first countersunk through holes 12.

[0056] The clamping end of the clamping plate 2 has several third countersunk through holes 24 that pass through itself, and the third pad 43 has several fourth threaded holes that are adapted to the third countersunk through holes 24.

[0057] The clamping plate 2 has several fourth countersunk holes that pass through it at one end away from the clamping end, and the first pad 41 has several fifth threaded holes that are adapted to the fourth countersunk holes.

[0058] The first countersunk hole 12 and the third threaded hole 25, the third countersunk hole 24 and the fourth threaded hole, and the fourth countersunk hole and the fifth threaded hole are all connected by fastening bolts 49, and the tail of each fastening bolt 49 does not penetrate the third threaded hole 25, the fourth threaded hole, or the fifth threaded hole. In this design, the length of the fastening bolt 49 should be reasonably selected, and its screw tip should not protrude from the surface of the washer plate while ensuring stable fixation of the washer plate. All three washer plates are cuboid structures, and the length and width in the polar direction of the three washer plates are consistent.

[0059] In this embodiment, to avoid stress concentration and deformation of the first pad 41, the third platform 16 is tilted away from the clamping plate 2 on the side facing the clamping end. In this design, since the adjusting bolt is closer to the third platform 16 than the two ends of the clamping block 1, when the adjusting bolt is tightened to clamp the second pad 42 and the third pad 43 towards each other, the clamping block 1 tends to tilt towards the clamping end. Therefore, the third platform 16 has a small-angle inclined surface that tilts towards the second platform 15. This ensures that after clamping, the inclined surface maintains surface contact between the third platform 16 and the first pad 41, preventing stress concentration and deformation.

[0060] In this embodiment, in order to adjust the installation distance and height gap to adapt to different installation requirements, the clamping plate 2 has lugs 21 on both sides along its own polar direction, and the lugs 21 have a first waist-shaped hole 22 that penetrates itself, and the length direction of the first waist-shaped hole 22 is set in the transverse direction.

[0061] The flange connecting block 3 has a second threaded hole 34 penetrating through itself on both sides along its own polar direction;

[0062] The second adjusting component 47 is a screw, one end of which passes through the first oblong hole 22 and is threadedly connected to the second threaded hole 34; the screw is screwed with first nuts 4 on both sides of the clamping plate 2. In this design, lugs 21 are provided on both sides of the clamping plate 2, and the first oblong hole 22 is provided on the lugs 21 and extends longitudinally through the lugs 21, so as to form a compact size while forming horizontal and vertical adjusting components on both sides. In this way, the assembly position can be adjusted along the length direction of the first oblong hole 22; in addition, the second adjusting component 47 is a screw, and the assembly height gap can be adjusted by adjusting the two first nuts 4 on the screw.

[0063] In this embodiment, in order to form a compact clamp while reserving more clamping end faces, the two ends of the clamping plate 2 along its own lateral direction are a narrow end and a wide end, respectively. The distance from the narrow end to the lug 21 is less than the distance from the wide end to the lug 21.

[0064] In this embodiment, in order to increase the connection thickness between the screw and the second threaded hole 34, the flange connecting block 3 has steps 32 on both sides along its own polar direction, and the steps 32 protrude toward the clamping plate 2; the second threaded hole 34 is disposed on the steps 32.

[0065] In this embodiment, in order to adjust the lateral position between the flange connecting block 3 and the second mounting component 7, the flange connecting block 3 has a second oblong hole 31 that connects to the flange stud 8, and a second nut is fitted at one end of the flange stud 8 that passes through the second oblong hole 31.

[0066] The flange connecting block 3 has a plurality of second waist-shaped holes 31 along its own polar direction, and the length direction of the second waist-shaped holes 31 is arranged laterally.

[0067] In this embodiment, to improve the structural strength of the flange connecting block 3, the flange connecting block 3 has a rib 33 on the side facing the clamping end. The rib 33 and the flange connecting block 3 are integrally formed.

[0068] In this embodiment, to avoid hard contact, a first soft pad 44 is provided on the surface of the second pad 42 relative to the surface of the third pad 43; a second soft pad 45 is provided on the surface of the third pad 43 relative to the surface of the second pad 42; and a third soft pad 46 is provided on the placement surface of the flange connecting block 3.

[0069] In this embodiment, in order to facilitate the hoisting of the clamping block 1 with a certain weight to the designated assembly position, a number of hoisting holes 11 are also provided on the outer side of the clamping block 1.

[0070] Example 2:

[0071] This embodiment 2 also provides a docking system, including several clamps suitable for installing components of large nuclear fusion devices; the butt welding edge 6 of the first mounting component 5 and the flange edge of the second mounting component 7 are connected by several clamps.

[0072] Specific examples:

[0073] Taking the welding eaves 6 of the first mounting component 5 as an example, with a thickness of 40mm and the weight of the second mounting component 7 being approximately 25 tons, and a gap of 110mm between the two components, a special example is provided. Both components are D-shaped sector segments, with their adjacent mounting surfaces being the adjacent edges of the D-shaped loops on both sides of the sector segment. In this example, 20 of these fixtures are used on each side, intermittently distributed along the D-shaped loops. The thicknesses of the three platforms of the clamping block 1 are 30mm, 50mm, and 90mm, respectively. The angle between the third platform 16 and the bottom surface of the clamping block 1 is 2°. The first countersunk hole 12 of the clamping block 1 has a diameter of 24-28mm, preferably 26mm; the first bolt has a diameter of 24mm and a length of 130mm; the second bolt has a diameter of 8mm and a length of 30mm; the first pad 41 has a width of 45mm, the second pad 42 has a width of approximately 40mm, and the third pad 43 has a width of approximately 80mm, with the first, second, and third pads all having a thickness of 12mm; the screw has a diameter of 24mm and a length of 130mm; the clamping plate 2 has a thickness of 30mm; the first oblong hole 22 has an adjustable length of 70mm; the flange connecting block 3 has four second oblong holes 31, a bottom thickness of 10mm, and a step 32 height of 15mm. The first mounting component 5 is a fixed component, while the second mounting component 7 is temporarily placed in the installation position using a crane or other installation tools. The second mounting component 7 must be assembled adjacent to the first mounting component 5 using this clamp, and then the crane or other installation tools must be disassembled for subsequent installation procedures.

[0074] Working principle:

[0075] When using this invention to assemble weldable surfaces and bolted surfaces of different functional components in a large nuclear fusion device in close proximity, the dimensions and shapes of the second pad 42 and the third pad 43 can be flexibly designed to accommodate the dimensions and shapes of the welding eaves on the first mounting component 5. First, the clamping block 1, clamping plate 2, pad, bolts, screws, flange connecting block 3, and nuts of the lifting fixture are pre-assembled together. The lifting screws are installed in the lifting holes 11 of the clamping block 1, and the entire fixture is moved to the vicinity of the installation position using a crane. Then, the fixture installation begins. The welding eaves of the component to be installed are clamped using the clamping block 1 and the bolts of the fixture. The clamping tightness can be adjusted by adjusting the tightness of the first bolt. The clamping block 1 and clamping plate 2 are fixed to the first mounting component 5. Insulating pads are placed between the second pad 42, the third pad 43, and the first mounting component 5 to protect the component surface. Next, the flange connecting block 3 is installed by matching four nuts with the flange studs 8 of the second mounting component 7, thereby fixing the flange connecting block 3 to the second mounting component 7. Finally, insert the screw into the first oblong hole 22 and the nut on the clamping plate 2, adjust the position of the first oblong hole 22, screw the screw into the second threaded hole 34 of the flange connecting block 3 and tighten it. Adjust the two nuts on the screw to secure the screw to the clamping plate 2, completing the installation of a single clamp. Similarly, complete the installation of multiple clamps at other locations to completely fix the second mounting component 7 to the first mounting component 5, completing the adjacent installation of the two components.

[0076] This fixture can adapt well to components of different sizes and shapes by adjusting the size and shape of the pad. Simultaneously, the different designs of the clamping block 1 platform height can accommodate the installation of welding edges of varying thicknesses, offering high flexibility. The matching of the screw and the slotted hole accommodates different edge spacings between components, and the adjustment of the nut and screw accommodates the assembly of components with different longitudinal clearances. It also assists in the flexible adjustment of measuring tools to achieve high installation accuracy. Compared to large components, this fixture is relatively small in size and easy to install. The number and installation position of the fixtures can be flexibly configured to ensure high stability of the installed components.

[0077] This design is not limited to the installation of different functional components in large nuclear fusion devices; it can also be used for other large components with adjacent welding and bolting surfaces. Furthermore, by scaling down the fixture proportionally, it can be applied to the installation of smaller components.

[0078] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A clamp suitable for installing components of a large nuclear fusion device, characterized in that, include: The clamping block (1) and the clamping plate (2) are detachably connected by a first adjusting member (48), and the distance between their opposing surfaces is variable; the opposing surfaces of the clamping block (1) and the clamping plate (2) have clamping ends that can clamp each other; the clamping end of the clamping block (1) is equipped with a detachable second pad (42), and the clamping end of the clamping plate (2) is equipped with a detachable third pad (43); the second pad (42) and the third pad (43) are used to clamp the protruding butt welding eaves (6) on the first mounting component (5); A flange connecting block (3) is placed on the flange edge surface of the second mounting component (7), and the flange connecting block (3) is detachably connected to the flange edge surface via flange studs (8) on the flange edge; the flange connecting block (3) is detachably connected to the clamping plate (2) via a second adjusting component (47); The opposing surfaces between the second pad (42) and the third pad (43) are clamping surfaces adapted to the profiles on both sides of the butt weld eaves (6); the bottom surface of the flange connecting block (3) is a placement surface adapted to the shape of the flange edge surface; The clamping block (1) has a first platform (13) and a third platform (16) at its two ends in the lateral direction facing the inner side of the clamping plate (2). The first platform (13) is the clamping end, and the third platform (16) extends towards the clamping plate (2) and is used to abut against the inner side of the clamping plate (2) facing the clamping block (1). The first adjusting member (48) is an adjusting bolt, and the adjusting bolt is located between the first platform (13) and the third platform (16); The clamping block (1) also has a second platform (15) on its inner side facing the clamping plate (2). The second platform (15) is located between the first platform (13) and the third platform (16), and the height of the second platform (15) is between the first platform (13) and the third platform (16). The second platform (15) has several second countersunk holes (14) along the longitudinal direction and penetrating the inner and outer sides of the clamping block (1). The clamping plate (2) has several first threaded holes (23) along the longitudinal direction and penetrating its own inner and outer sides. The second countersunk holes (14) and the first threaded holes (23) correspond one to one and are coaxially arranged. The adjusting bolt is used to connect the second countersunk holes (14) and the first threaded holes (23) in sequence.

2. The fixture for installing components of a large nuclear fusion device according to claim 1, characterized in that, A first pad (41) is also provided between the third platform (16) and the clamping plate (2).

3. A fixture for installing components of a large nuclear fusion device according to claim 2, characterized in that, The clamping end of the clamping block (1) has several first countersunk through holes (12) that pass through itself, and the second pad (42) has several third threaded holes (25) that are adapted to the first countersunk through holes (12). The clamping end of the clamping plate (2) has several third countersunk through holes (24) that pass through itself, and the third pad (43) has several fourth threaded holes that are adapted to the third countersunk through holes (24). The clamping plate (2) has several fourth countersunk holes that pass through itself at one end away from the clamping end, and the first pad (41) has several fifth threaded holes that are adapted to the fourth countersunk holes. The first countersunk through hole (12) and the third threaded hole (25), the third countersunk through hole (24) and the fourth threaded hole, and the fourth countersunk through hole and the fifth threaded hole are all connected by fastening bolts (49), and the tail of the fastening bolts (49) does not penetrate the third threaded hole (25), the fourth threaded hole and the fifth threaded hole.

4. A fixture for installing components of a large nuclear fusion device according to claim 1, characterized in that, The third platform (16) is tilted toward the clamping end on one side, away from the clamping plate (2).

5. A clamp for installing components of a large nuclear fusion device according to any one of claims 1 to 4, characterized in that, The clamp (2) has lugs (21) on both sides along its own polar direction, and the lugs (21) have a first waist-shaped hole (22) that penetrates itself. The length direction of the first waist-shaped hole (22) is arranged in the transverse direction. The flange connecting block (3) has a second threaded hole (34) through itself on both sides along its own polar direction. The second adjusting component (47) is a screw, one end of which is used to pass through the first waist-shaped hole (22) and be threaded to the second threaded hole (34); the screw is screwed with a first nut (4) on both sides of the clamp plate (2).

6. A clamp for installing components of a large nuclear fusion device according to claim 5, characterized in that, The clamp (2) has a narrow end and a wide end at its two ends along its own transverse direction, and the distance from the narrow end to the lug (21) is less than the distance from the wide end to the lug (21).

7. A fixture for installing components of a large nuclear fusion device according to claim 5, characterized in that, The flange connecting block (3) has steps (32) on both sides along its own polar direction, and the steps (32) protrude towards the clamping plate (2); the second threaded hole (34) is provided on the steps (32).

8. A clamp for installing components of a large nuclear fusion device according to any one of claims 1 to 4, characterized in that, The flange connecting block (3) has a second waist-shaped hole (31) that connects to the flange stud (8), and a second nut is fitted on one end of the flange stud (8) that passes through the second waist-shaped hole (31); The flange connecting block (3) has a number of second waist-shaped holes (31) in sequence along its own polar direction, and the length direction of the second waist-shaped holes (31) is arranged in the transverse direction.

9. A clamp for installing components of a large nuclear fusion device according to any one of claims 1 to 4, characterized in that, The flange connecting block (3) has a rib (33) on the side facing the clamping end.

10. A fixture for installing components of a large nuclear fusion device according to any one of claims 1 to 4, characterized in that, The second pad (42) has a first soft pad (44) disposed on its surface relative to the third pad (43); The third pad (43) has a second soft pad (45) disposed on its surface relative to the second pad (42); A third soft pad (46) is provided on the placement surface of the flange connecting block (3).

11. A clamp for installing components of a large nuclear fusion device according to any one of claims 1 to 4, characterized in that, Several lifting holes (11) are also provided on the outer side of the clamp (1).

12. A docking system, characterized in that, Includes several clamps for mounting components of large nuclear fusion devices as described in any one of claims 1 to 11; The butt weld edge of the first mounting component (5) and the flange edge of the second mounting component (7) are connected by several clamps.

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