In-pile components and their application fixing device and processing method

Abstract

The present application discloses an in-pile component and a fixing device and processing method for its application. The in-pile component includes a lower in-pile assembly having an interior containing a cavity. The in-pile component also includes a shroud embedded in the shroud. The in-pile component also includes a first fixing assembly and a second fixing assembly. The first fixing assembly is used to fix the relative position of the lower in-pile assembly and the shroud in a first direction during the pinning and fixing of the lower in-pile assembly and the shroud, and the second fixing assembly is used to fix the relative position of the lower in-pile assembly and the shroud in a second direction and / or limit the rotation of the shroud relative to the lower in-pile assembly. In other words, the in-pile component of the present application fixes the lower in-pile assembly and the shroud via the first fixing assembly and the second fixing assembly, and can fix the lower in-pile assembly and the shroud to each other during the pinning and fixing of the lower in-pile assembly and the shroud.

Description

Technical Field

[0001] The present application relates to the technical field of nuclear reactor components, and in particular to a nuclear reactor internal component and a fixing device and a processing method thereof. Background Art

[0002] In-core components are components within the pressure vessel of a pressurized water reactor (PWR) other than the fuel assembly and its related components. The metal shroud is an important component of the in-core components. During assembly, the metal shroud must be hoisted into the hanging basket of the in-core component, with the lower end face of the metal shroud placed on the lower core plate. After the metal shroud and the lower core plate are positioned using a light target, a circle of equally spaced pin holes must be made around the metal shroud and the hanging basket, and then the metal shroud and the hanging basket are fixed together by pins. However, relative movement between the metal shroud and the hanging basket is likely to occur during the pin hole making process, adversely affecting the pin hole making process. Summary of the Invention

[0003] The present application provides an in-pile component and a fixing device and a processing method thereof, which can fix the lower in-pile component and the shroud to each other during the pinning and fixing process of the lower in-pile component and the shroud.

[0004] The present application provides an in-pile component. The in-pile component is defined by a first direction and a second direction that are perpendicular to each other. The in-pile component includes an upper in-pile assembly. The in-pile component also includes a lower in-pile assembly, which is docked with the upper in-pile assembly along the first direction, wherein the lower in-pile assembly has an accommodating cavity inside. The in-pile component also includes a shroud, which is embedded in the accommodating cavity. The in-pile component also includes a first fixing assembly, which is used to fix the relative position of the lower in-pile assembly and the shroud in the first direction during the process of pinning the lower in-pile assembly and the shroud. The in-pile component also includes a second fixing assembly, which is used to fix the relative position of the lower in-pile assembly and the shroud in the second direction and / or limit the rotation of the shroud relative to the lower in-pile assembly during the process of pinning the lower in-pile assembly and the shroud.

[0005] In one embodiment of the present application, the lower in-core assembly includes: a hanging basket cylinder, which is docked with the upper in-core assembly along a first direction; and a lower core plate, which is connected to the end of the hanging basket cylinder away from the upper in-core assembly, and the lower core plate and the hanging basket cylinder are cooperated to form an accommodating cavity; the first fixing assembly includes: a fixing member, which abuts against the end of the shroud away from the lower core plate; and a tie rod structure, and the fixing member is connected to the lower core plate through the tie rod structure, so that the fixing member and the lower core plate cooperate to clamp the shroud in the first direction to fix the position of the shroud in the first direction.

[0006] In one embodiment of the present application, the lower in-core assembly includes: a hanging basket cylinder, which is docked with the upper in-core assembly along a first direction; and a lower core plate, which is connected to the end of the hanging basket cylinder away from the upper in-core assembly, and the lower core plate and the hanging basket cylinder are cooperated to form an accommodating cavity; the second fixed assembly includes: a support member, which is fixed to the lower core plate; and at least two supporting members, which are arranged on the support member; wherein, the at least two supporting members are configured to support the inner wall of the shroud in two opposite directions to fix the position of the shroud in the second direction; and / or, the at least two supporting members are configured to support the inner wall of the shroud in two directions perpendicular to each other to limit the rotation of the shroud.

[0007] In one embodiment of the present application, the second direction includes a first sub-direction and a second sub-direction perpendicular to each other; the second fixing assembly includes: a first top support member group, including two top supports arranged back to back along the first sub-direction, and the top supports of the first top support member group are used to fix the position of the surrounding tube in the first sub-direction; and a second top support member group, including two top supports arranged back to back along the second sub-direction, and the top supports of the second top support member group are used to fix the position of the surrounding tube in the second sub-direction, and the top supports of the second top support member group also cooperate with the top supports of the first top support member group to limit the rotation of the surrounding tube.

[0008] In one embodiment of the present application, the support member includes: a support plate fixed to the lower plate of the core; and a support tube fixed to the support plate; wherein the top support member is movably embedded in the support tube, the top support member can move toward the inner wall of the shroud to support the inner wall of the shroud, and the top support member can also move in a direction away from the inner wall of the shroud.

[0009] In one embodiment of the present application, the support member further includes: a connecting structure, which is provided on the support tube, wherein the top support member is also embedded in the connecting structure and threadedly engaged with the connecting structure.

[0010] In one embodiment of the present application, the supporting member includes: a main body, which is provided on the supporting member; and a supporting portion, which is provided on the main body, wherein the supporting portion is a flexible structure and is used to support the inner wall of the surrounding tube.

[0011] In one embodiment of the present application, the lower plate of the core is provided with a flow hole connected to the accommodating cavity, and the support member is provided with a fixing hole; the second fixing assembly also includes: a fastener, which is passed through the flow hole and the fixing hole to fix the support member to the lower plate of the core.

[0012] Correspondingly, the present application also provides a fixing device for an in-pile component, wherein the in-pile component is defined with a first direction and a second direction perpendicular to each other, the in-pile component includes an upper in-pile component and a lower in-pile component connected along the first direction, and the in-pile component also includes a shroud embedded in the lower in-pile component; the fixing device includes: a first fixing component, which is used to fix the relative position of the lower in-pile component and the shroud in the first direction during the pin-connection and fixation of the lower in-pile component and the shroud; and a second fixing component, which is used to fix the relative position of the lower in-pile component and the shroud in the second direction and / or limit the rotation of the shroud relative to the lower in-pile component during the pin-connection and fixation of the lower in-pile component and the shroud.

[0013] Correspondingly, the present application also provides a processing method for an in-pile component, which is based on the in-pile component described in the above embodiment, and the processing method includes: positioning the lower in-pile component and the shroud of the in-pile component; fixing the relative position of the lower in-pile component and the shroud in a first direction by a first fixing component, and fixing the relative position of the lower in-pile component and the shroud in a second direction by a second fixing component and / or limiting the rotation of the shroud relative to the lower in-pile component; and pinning the lower in-pile component to the shroud.

[0014] The beneficial effects of the present application are as follows: Different from the prior art, the present application provides an in-pile component and a fixing device and a processing method for its application. The in-pile component includes a lower in-pile assembly, the interior of which has a receiving cavity. The in-pile component also includes a shroud, which is embedded in the receiving cavity. The in-pile component also includes a first fixing assembly and a second fixing assembly. The first fixing assembly is used to fix the relative position of the lower in-pile assembly and the shroud in a first direction during the pinning and fixing of the lower in-pile assembly and the shroud, and the second fixing assembly is used to fix the relative position of the lower in-pile assembly and the shroud in a second direction and / or limit the rotation of the shroud relative to the lower in-pile assembly. In other words, the in-pile component of the present application fixes the lower in-pile assembly and the shroud via the first fixing assembly and the second fixing assembly, and can fix the lower in-pile assembly and the shroud to each other during the pinning and fixing of the lower in-pile assembly and the shroud. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a schematic top view of the structure of an embodiment of the in-pile component of the present application without the upper in-pile assembly;

[0017] Figure 2 yes Figure 1 A schematic diagram of an embodiment of a cross-sectional structure of a pile internal component in the AA direction is shown;

[0018] Figure 3 yes Figure 1 A schematic diagram of another embodiment of the cross-sectional structure of the in-core component in the AA direction is shown;

[0019] Figure 4 This is a structural diagram of an embodiment of the second fixing assembly of the present application;

[0020] Figure 5 yes Figure 3 The schematic diagram of the structure of the B area of ​​the pile internal component is shown;

[0021] Figure 6 It is a flow chart of an embodiment of a method for processing a pile internal component of the present application.

[0022] Description of reference numerals:

[0023] 10 in-core components; 11 lower in-core components; 111 accommodating cavity; 112 hanging basket cylinder; 113 lower core plate; 1131 flow hole; 12 surrounding cylinder; 20 first fixing assembly; 21 fixing member; 22 tie rod structure; 23 protective member; 30 second fixing assembly; 31 supporting member; 311 supporting plate; 312 supporting pipe; 313 connecting structure; 314 fixing hole; 315 limiting member; 32 top support member; 321 main body; 322 top support part; 323 limiting groove; 33 first top support member group; 34 second top support member group; 35 fastener; 36 protective sleeve. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, unless otherwise specified, the directional words used, such as "up", "down", "left", and "right", generally refer to the up, down, left, and right of the device in actual use or working state, specifically the drawing direction in the accompanying drawings.

[0025] In this application, unless otherwise specified or limited, terms such as "connected," "connected," and "stacked" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integration; they may refer to direct connections or indirect connections through an intermediate medium; they may refer to internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0026] This application provides a stack internal component and its application fixing device and processing method, which are described in detail below. It should be noted that the order of description of the following embodiments does not limit the preferred order of the embodiments of this application. In addition, the description of each embodiment in the following embodiments has its own focus. For parts not detailed in one embodiment, please refer to the relevant description of other embodiments.

[0027] To address the technical issue in the prior art of relative movement between the metal shroud and the basket barrel during the pin hole formation process, one embodiment of the present application provides an in-pile component. The in-pile component defines a first and second perpendicular direction. The in-pile component includes an upper in-pile assembly. The in-pile component also includes a lower in-pile assembly, which interfaces with the upper in-pile assembly along the first direction, wherein the lower in-pile assembly has an interior containing a cavity. The in-pile component also includes a shroud embedded in the cavity. The in-pile component also includes a first fixing assembly, which is used to fix the relative position of the lower in-pile assembly and the shroud in the first direction during the pinning process. The in-pile component also includes a second fixing assembly, which is used to fix the relative position of the lower in-pile assembly and the shroud in the second direction during the pinning process and / or to limit the rotation of the shroud relative to the lower in-pile assembly. This is described in detail below.

[0028] See also Figures 1 to 3 , Figure 1 This is a schematic top view of an embodiment of the in-pile component of the present application without the upper in-pile assembly. Figure 2 yes Figure 1 The schematic diagram of an embodiment of the cross-sectional structure of the in-core component in the AA direction is shown. Figure 3 yes Figure 1 The schematic diagram of another embodiment of the cross-sectional structure of the in-core component in the AA direction is shown. Figure 2 The second fixing component 30 is omitted. Figure 3 The first fixing assembly 20 is omitted.

[0029] In one embodiment, the internals 10 define a first direction perpendicular to each other (e.g. Figure 2 and Figure 3The in-core component 10 includes an upper in-core assembly and a lower in-core assembly 11, which are docked with the lower in-core assembly 11 along the first direction. When the in-core component 10 is applied to a pressure vessel, the upper in-core assembly may include components such as the pressure vessel top cover and the upper cylinder, and the lower in-core assembly 11 may include components such as the hanging basket cylinder 112 and the lower core plate 113, which will be described in detail below.

[0030] The internal component 10 further includes a shroud 12 . The lower internal component 11 has an interior with an accommodating cavity 111 , and the shroud 12 is embedded in the accommodating cavity 111 .

[0031] The in-core component 10 further includes a first fixing assembly 20 , which is used to fix the relative positions of the lower in-core component 11 and the shroud 12 in a first direction during the pinning and fixing of the lower in-core component 11 and the shroud 12 .

[0032] The in-pile component 10 also includes a second fixing assembly 30, which is used to fix the relative position of the lower in-pile component 11 and the shroud 12 in the second direction and / or limit the rotation of the shroud 12 relative to the lower in-pile component 11 during the pinning and fixing of the lower in-pile component 11 and the shroud 12.

[0033] Through the above-mentioned method, pin holes are required between the lower in-core assembly 11 and the shroud 12 in this embodiment for pinning and fixing. Therefore, the in-core component 10 in this embodiment secures the lower in-core assembly 11 and the shroud 12 via the first fixing assembly 20 and the second fixing assembly 30. This allows the lower in-core assembly 11 and the shroud 12 to be fixed to each other during the pinning and fixing process. Furthermore, the first fixing assembly 20 and the second fixing assembly 30 in this embodiment are safe, reliable, and easy to assemble and disassemble.

[0034] In one embodiment, the lower in-core assembly 11 includes a basket cylinder 112 and a core lower plate 113. The basket cylinder 112 is docked with the upper in-core assembly along a first direction. The core lower plate 113 is connected to the end of the basket cylinder 112 away from the upper in-core assembly, and the core lower plate 113 and the basket cylinder 112 cooperate to form a receiving cavity 111.

[0035] It should be noted that the outer wall of the shroud 12 and the inner wall of the basket cylinder 112 must be appropriately filled to ensure a 5 mm gap between them. Similarly, the end surface of the shroud 12 facing the lower core plate 113 must also be appropriately filled to ensure a 5 mm gap between them.

[0036] In one embodiment, the first fixing assembly 20 includes a fixing member 21 and a tie rod structure 22. The fixing member 21 abuts against the end of the shroud 12 away from the lower core plate 113 and is connected to the lower core plate 113 via the tie rod structure 22. The fixing member 21 cooperates with the lower core plate 113 to clamp the shroud 12 in the first direction, thereby fixing the position of the shroud 12 in the first direction.

[0037] One end of the tie rod structure 22 can be fastened to the fixing member 21 by bolts or the like, and the other end can be fastened to the lower core plate 113 by bolts or the like. The locking force at both ends of the tie rod structure 22 applies opposing pulling forces to the fixing member 21 and the lower core plate 113, respectively, thereby enabling the fixing member 21 and the lower core plate 113 to cooperate and clamp the shroud 12 in the first direction. It will be appreciated that by unlocking the bolts, the first fixing assembly 20 can be easily disassembled.

[0038] Furthermore, the fixing members 21 are arranged across the opposite sides of the circumference tube 12, such as Figure 1 The fixing member 21 extends in a direction perpendicular to the first direction, and both ends of the fixing member 21 abut against the end of the shroud 12 away from the lower core plate 113. In this way, the fixing member 21 can more stably abut the shroud 12 against the lower core plate 113, thereby facilitating the fixing of the shroud 12 in the first direction.

[0039] Furthermore, the first fixing assembly 20 also includes a protective member 23. The protective member 23 is sandwiched between the fixing member 21 and the shroud 12. The protective member 23 serves a protective function and can reduce the risk of the fixing member 21 scratching the shroud 12. Optionally, the protective member 23 can be a flexible material, such as wool felt, plastic pads, etc., which are not limited here. It is understandable that a protective member 23 such as wool felt, plastic pads, etc. can also be provided between the bolts of the locking rod structure 22 and the lower core plate 113 to reduce the risk of scratching the lower core plate 113.

[0040] It should be noted that the core lower plate 113 is provided with a flow hole 1131 communicating with the accommodating chamber 111. This flow hole 1131 is used to pass reactor coolant. The tie rod structure 22 and / or the bolts used to lock the tie rod structure 22 are passed through the flow hole 1131 to secure the tie rod structure 22 to the core lower plate 113. In other words, this embodiment reuses the flow hole 1131 on the core lower plate 113 for passing reactor coolant to secure the tie rod structure 22, avoiding the need for an additional hole structure in the core lower plate 113 and minimizing the impact on the original structure of the internal components 10.

[0041] For example, the fixing member 21 may be a rectangular steel section. Both ends of the fixing member 21 overlap the end surface of the shroud 12 away from the lower core plate 113. The tie rod structure 22 tensions the fixing member 21 and the lower core plate 113, allowing the fixing member 21 and the lower core plate 113 to cooperate in clamping the shroud 12 in the first direction, preventing the shroud 12 from moving in the first direction. There may be at least two sets of first fixing assemblies 20, with each set of first fixing assemblies 20 spaced apart from each other and cooperating to secure the position of the shroud 12 in the first direction. Figure 2 The example shows a case where the number of groups of the first fixing components 20 is two.

[0042] Please also refer to Figure 4 , Figure 4 It is a structural diagram of an embodiment of the second fixing component of the present application.

[0043] In one embodiment, the second fixing assembly 30 includes a support member 31 and at least two supporting members 32. The support member 31 is fixed to the lower core plate 113, and the at least two supporting members 32 are disposed on the support member 31. The at least two supporting members 32 are configured to support the inner wall of the shroud 12 in two opposing directions to fix the position of the shroud 12 in the second direction. And / or, the at least two supporting members 32 are configured to support the inner wall of the shroud 12 in two mutually perpendicular directions to restrict the rotation of the shroud 12.

[0044] Specifically, the second direction includes mutually perpendicular first sub-directions (such as Figure 4 Indicated by the arrow X in the middle, the same below) and the second sub-direction (as shown in Figure 4 (indicated by arrow Y in the middle, the same below). The second fixing assembly 30 includes a first supporting member group 33. The first supporting member group 33 includes two supporting members 32 arranged in opposite directions along a first sub-direction. The supporting members 32 of the first supporting member group 33 are used to fix the position of the surrounding tube 12 in the first sub-direction. That is, the supporting members 32 of the first supporting member group 33 can respectively support the inner wall of the surrounding tube 12 in two opposite directions.

[0045] The second fixing assembly 30 also includes a second supporting member group 34. The second supporting member group 34 includes two supporting members 32 arranged in opposite directions along the second sub-direction. The supporting members 32 of the second supporting member group 34 are used to fix the position of the circumference tube 12 in the second sub-direction, that is, the supporting members 32 of the second supporting member group 34 can respectively support the inner wall of the circumference tube 12 in two opposite directions, and the supporting members 32 of the second supporting member group 34 also cooperate with the supporting members 32 of the first supporting member group 33 to limit the rotation of the circumference tube 12.

[0046] In this embodiment, the supporting members 32 of the first supporting member group 33 fix the position of the shroud 12 in the first sub-direction, and the supporting members 32 of the second supporting member group 34 fix the position of the shroud 12 in the second sub-direction, that is, fix the position of the shroud 12 in the second direction. In addition, because the shroud 12 is a cylindrical structure with a square interior, the supporting members 32 of the first supporting member group 33 and the supporting members 32 of the second supporting member group 34 can respectively support the inner wall of the shroud 12 in two directions perpendicular to each other (i.e., the first sub-direction and the second sub-direction), thereby limiting the rotation of the shroud 12 relative to the lower in-stack assembly 11.

[0047] For example, Figure 4 The second fixing assembly 30 is shown as an example, comprising two first supporting member groups 33 and two second supporting member groups 34. The two first supporting member groups 33 are sequentially spaced along the second sub-direction, while the two second supporting member groups 34 are sequentially spaced along the first sub-direction. These two first supporting member groups 33 and two second supporting member groups 34 respectively tighten against the four sides of the surrounding tube 12, providing good fastening and reliable operation.

[0048] Further, please also refer to Figure 5 The support member 31 includes a support plate 311 and a support tube 312. The support plate 311 is fixed to the lower core plate 113, and the support tube 312 is fixed to the support plate 311. The top support member 32 is movably embedded in the support tube 312. The top support member 32 can move toward the inner wall of the shroud 12 to support the inner wall of the shroud 12, and the top support member 32 can also move in a direction away from the inner wall of the shroud 12. When the shroud 12 needs to be fixed, the top support member 32 moves toward the inner wall of the shroud 12 to support the inner wall of the shroud 12; and after the lower in-core assembly 11 is pinned and fixed to the shroud 12, the top support member 32 moves in a direction away from the inner wall of the shroud 12 to release the shroud 12, thereby facilitating the disassembly of the second fixing assembly 30.

[0049] Furthermore, the support member 31 further includes a connecting structure 313, which is disposed on the support tube 312. The top support member 32 is also embedded in the connecting structure 313 and threadedly engaged with the connecting structure 313. By screwing the top support member 32, the top support member 32 can be moved toward the inner wall of the shroud 12 or away from the inner wall of the shroud 12.

[0050] It should be noted that the support member 31 can be a welded member. The support tube 312 is first welded to the support plate 311, and then the inner hole of the support tube 312 and the connecting structure 313 are machined. When installing the second fixing assembly 30, the top support member 32 is tightened so that it presses against the inner wall of the shroud 12, and the support plate 311 is locked and fixed to the lower core plate 113.

[0051] In one embodiment, the supporting member 32 includes a main body 321 and a supporting portion 322. The main body 321 is disposed on the support member 31, and the supporting portion 322 is disposed on the main body 321. The supporting portion 322 is a flexible structure and is used to support the inner wall of the shroud 12, thereby minimizing the risk of the supporting member 32 scratching the inner wall of the shroud 12.

[0052] Optionally, the supporting portion 322 may be a flexible structure such as a nylon sleeve, a silicone sleeve, etc., and the supporting portion 322 may be connected to the main body 321 by a latch pin.

[0053] It should be noted that one of the support tube 312 and the supporting member 32 is provided with a limiter 315, and the other is provided with a limiter slot 323. The limiter slot 323 extends along the direction of movement of the supporting member 32, and the limiter 315 is embedded in the limiter slot 323. The limiter 315 and the limiter slot 323 cooperate to limit the maximum travel of the supporting member 32 toward the inner wall of the shroud 12, thereby preventing the supporting member 32 from falling out of the support tube 312. Figure 5 The example in which the support tube 312 is provided with the limiting member 315 and the supporting member 32 is provided with the limiting groove 323 is shown, and is not limited here.

[0054] In one embodiment, the support member 31 is provided with a fixing hole 314. The second fixing assembly 30 further includes a fastener 35. The fastener 35 is passed through the flow hole 1131 and the fixing hole 314 on the lower core plate 113 to fix the support member 31 to the lower core plate 113. Specifically, the fixing hole 314 is provided in the support plate 311, and a protective sleeve 36 is provided between the support plate 311 and the lower core plate 113. The protective sleeve 36 is sleeved on the outer periphery of the fastener 35. The protective sleeve 36 is used to space the support plate 311 and the lower core plate 113 to reduce the risk of the support plate 311 scratching the lower core plate 113. The protective sleeve 36 also lifts the support member 31 through the support plate 311 so that the support member 32 is at the same height as the pin hole to be made later, and can reliably support the shroud 12 during the pin hole making process.

[0055] The fasteners 35 can be bolts, etc. In this embodiment, the fasteners 35 are inserted through the flow holes 1131 to secure the support member 31 to the lower core plate 113. In other words, this embodiment reuses the flow holes 1131 on the lower core plate 113 for the reactor coolant to secure the support member 31, avoiding the need for additional holes in the lower core plate 113 and minimizing the impact on the original structure of the internal components 10. Furthermore, protective members 23 such as wool felt, plastic blocks, or nylon blocks can be placed between the fasteners 35 and the lower core plate 113 to reduce the risk of the fasteners 35 scratching the lower core plate 113.

[0056] In one embodiment, a fixing device for an in-piles component 10 is provided. The in-piles component 10 is defined by a first direction and a second direction perpendicular to each other. The in-piles component 10 includes an upper in-piles component and a lower in-piles component 11 that are butted together along the first direction. The in-piles component 10 also includes a shroud 12 embedded in the lower in-piles component 11. The fixing device includes a first fixing assembly 20 and a second fixing assembly 30. The first fixing assembly 20 is used to fix the relative position of the lower in-piles component 11 and the shroud 12 in the first direction during the pinning process of the lower in-piles component 11 and the shroud 12. The second fixing assembly 30 is used to fix the relative position of the lower in-piles component 11 and the shroud 12 in the second direction and / or limit the rotation of the shroud 12 relative to the lower in-piles component 11 during the pinning process of the lower in-piles component 11 and the shroud 12.

[0057] It should be noted that the internal component 10 , the first fixing assembly 20 and the second fixing assembly 30 of this embodiment have been described in detail in the above embodiments and will not be repeated here.

[0058] See also Figure 6 , Figure 6 The process diagram of one embodiment of the method for processing the in-pile component of the present application is shown in FIG. The method for processing the in-pile component of this embodiment is based on the in-pile component 10 described in the above embodiment, and will not be described in detail here.

[0059] S101: Positioning the lower in-pile assembly of the in-pile components and the shroud.

[0060] In this embodiment, the lower internal assembly 11 of the internals 10 is first positioned with the shroud 12, and then the first fixing assembly 20 and the second fixing assembly 30 are installed. Specifically, positioning holes are provided in the lower core plate 113 and the shroud 12. Optical target positioning is performed through the positioning holes in the lower core plate 113 and the shroud 12 to achieve positioning of the lower internal assembly 11 of the internals 10 with the shroud 12.

[0061] S102: Fixing the relative positions of the lower in-stack component and the shroud in a first direction by a first fixing assembly, and fixing the relative positions of the lower in-stack component and the shroud in a second direction by a second fixing assembly and / or restricting the shroud from rotating relative to the lower in-stack component.

[0062] In this embodiment, the relative positions of the lower in-stack component 11 and the shroud 12 in a first direction are fixed by the first fixing assembly 20, and the relative positions of the lower in-stack component 11 and the shroud 12 in a second direction are fixed by the second fixing assembly 30 and / or the rotation of the shroud 12 relative to the lower in-stack component 11 is restricted, thereby achieving the fixation of the lower in-stack component 11 and the shroud 12 to each other.

[0063] S103: Pin and fix the lower in-pile assembly to the shroud.

[0064] In this embodiment, after the lower in-pile assembly 11 and the shroud 12 are fixed to each other, the lower in-pile assembly 11 and the shroud 12 are fixed by pinning. Specifically, pin holes need to be provided between the lower in-pile assembly 11 and the shroud 12 for pinning.

[0065] In summary, the present application provides an in-pile component and a fixing device and a processing method for its application. The in-pile component includes a lower in-pile assembly, and the interior of the lower in-pile assembly has an accommodating cavity. The in-pile component also includes a shroud, which is embedded in the accommodating cavity. The in-pile component also includes a first fixing assembly and a second fixing assembly. The first fixing assembly is used to fix the relative position of the lower in-pile assembly and the shroud in a first direction during the pin-connection and fixation of the lower in-pile assembly and the shroud, and the second fixing assembly is used to fix the relative position of the lower in-pile assembly and the shroud in a second direction and / or limit the rotation of the shroud relative to the lower in-pile assembly. In other words, the in-pile component of the present application fixes the lower in-pile assembly and the shroud through the first fixing assembly and the second fixing assembly, and can fix the lower in-pile assembly and the shroud to each other during the pin-connection and fixation of the lower in-pile assembly and the shroud.

[0066] Especially for the case where the in-pile components of the present application have high requirements for processing accuracy, the present application fixes the lower in-pile components and the shroud through the first fixing assembly and the second fixing assembly, which is conducive to ensuring the accuracy of the pin holes.

[0067] The above is a detailed introduction to the in-pile components provided by the present application and the fixing devices and processing methods used therefor. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for those skilled in the art, according to the ideas of the present application, there may be changes in the specific implementation methods and application scopes. In summary, the contents of this specification should not be understood as limiting the present application.

Claims

1. A stack internal component, characterized in that: The internal component is defined with a first direction and a second direction perpendicular to each other, and the internal component includes: Upper in-pile components; a lower in-stack component docked with the upper in-stack component along the first direction, wherein the lower in-stack component has an accommodating cavity therein; A surrounding cylinder, embedded in the accommodating cavity; a first fixing assembly, configured to fix the relative positions of the lower in-pile assembly and the shroud in the first direction during the pinning and fixing of the lower in-pile assembly and the shroud; and a second fixing assembly, configured to fix the relative position of the lower in-stack assembly and the shroud in the second direction and / or restrict the shroud from rotating relative to the lower in-stack assembly during the pinning and fixing of the lower in-stack assembly and the shroud; The lower in-core assembly includes: a hanging basket cylinder, docked with the upper in-core assembly along the first direction; and a core lower plate, connected to the end of the hanging basket cylinder away from the upper in-core assembly, and the core lower plate and the hanging basket cylinder cooperate to form the accommodating cavity; The first fixing assembly includes: a fixing member abutting against an end of the shroud away from the lower core plate; and a tie rod structure, wherein the fixing member is connected to the lower core plate via the tie rod structure, so that the fixing member and the lower core plate cooperate to clamp the shroud in the first direction to fix the position of the shroud in the first direction; The second fixing assembly includes: a support member fixed to the lower plate of the core; and at least two supporting members provided on the support member; wherein the at least two supporting members are configured to support the inner wall of the shroud in two opposite directions to fix the position of the shroud in the second direction; and / or, the at least two supporting members are configured to support the inner wall of the shroud in two directions perpendicular to each other to limit the rotation of the shroud.

2. The internal component according to claim 1, characterized in that: The second direction includes a first sub-direction and a second sub-direction that are perpendicular to each other; The second fixing assembly includes: a first supporting member group, comprising two supporting members arranged opposite to each other along the first sub-direction, wherein the supporting members of the first supporting member group are used to fix the position of the circumferential tube in the first sub-direction; and The second top support member group includes two top support members arranged back to back along the second sub-direction. The top support members of the second top support member group are used to fix the position of the circumference tube in the second sub-direction, and the top support members of the second top support member group also cooperate with the top support members of the first top support member group to limit the rotation of the circumference tube.

3. The internal component according to claim 2, characterized in that: The support member comprises: a support plate fixed to the core lower plate; and a support tube, fixed to the support plate; The supporting member is movably embedded in the supporting tube, and the supporting member can move toward the inner wall of the surrounding tube to support the inner wall of the surrounding tube, and the supporting member can also move in a direction away from the inner wall of the surrounding tube.

4. The internal component according to claim 3, characterized in that: The support member further comprises: The connecting structure is provided on the supporting tube, wherein the supporting member is also embedded in the connecting structure and threadedly matched with the connecting structure.

5. The internal component according to claim 3, characterized in that: The top support member comprises: a main body, provided on the support member; and The supporting portion is provided on the main body, wherein the supporting portion is a flexible structure and is used to support the inner wall of the surrounding tube.

6. The internal component according to claim 3, characterized in that: The core lower plate is provided with a flow hole communicating with the accommodating cavity, and the support member is provided with a fixing hole; The second fixing assembly further includes: A fastener is provided through the flow hole and the fixing hole to fix the support member to the core lower plate.

7. A fixing device for a component in a pile, characterized in that: The in-pile component according to any one of claims 1 to 6 defines a first direction and a second direction perpendicular to each other, the in-pile component comprising an upper in-pile assembly and a lower in-pile assembly butted along the first direction, and the in-pile component further comprising a shroud embedded in the lower in-pile assembly; The fixing device comprises: a first fixing assembly, configured to fix the relative positions of the lower in-pile assembly and the shroud in the first direction during the pinning and fixing of the lower in-pile assembly and the shroud; and The second fixing assembly is used to fix the relative position of the lower in-stack assembly and the shroud in the second direction and / or limit the rotation of the shroud relative to the lower in-stack assembly during the pinning and fixing of the lower in-stack assembly and the shroud.

8. A method for processing a pile internal component, characterized in that: The processing method is based on the in-pile component according to any one of claims 1 to 7, and the processing method includes: Positioning the lower in-pile assembly of the in-pile component and the shroud; Fixing the relative position of the lower in-stack component and the shroud in a first direction by a first fixing assembly, and fixing the relative position of the lower in-stack component and the shroud in a second direction by a second fixing assembly and / or restricting the shroud from rotating relative to the lower in-stack component; The lower in-pile assembly is fixed to the shroud by pinning.

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