Cylinder segment welding device and welding method

Abstract

The present application relates to the field of cylinder manufacturing, and discloses a cylinder sectional welding device and a welding method, the cylinder sectional welding device comprising: a base assembly, a pressing assembly, a first limiting component and a second limiting component, the base assembly comprising a bottom plate, an inclined web, a partition plate and a vertical web, the bottom plate having a first direction and a second direction perpendicular to each other; the pressing assembly comprising a pressing plate and a plurality of pressing components, the two ends of the pressing plate in the second direction being connected to the inclined web, the plurality of pressing components being arranged on the pressing plate; the first limiting component being arranged at the two ends of the base assembly in the second direction; and the second limiting component being arranged at the two ends of the base assembly in the first direction. The cylinder sectional welding device can fix the positions of the cylinder wall plates and the stiffeners, and can vertically weld the cylinder wall plates and the stiffeners, thereby avoiding the deformation of the cylinder wall plates in the welding process, and improving the reliability of the cylinder section.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cylinder manufacturing, and particularly relates to a cylinder segment welding device and a welding method. BACKGROUND

[0002] At present, for large-scale cylinders, due to the limitation of production operation space, the cylinders need to be divided into several segments, and the segmented manufacturing is completed in a workshop, and then the overall assembly is carried out in a total assembly site. In nuclear fusion and other devices, since the number of similar cylinder segments is usually several and the size is large, the realization of operation standardization becomes a key problem to be solved in the present technology. The primary problem to be solved in the manufacturing process is the control of welding deformation, and therefore, it is of great significance to study the cylinder welding anti-deformation tool. The control of cylinder welding deformation mainly reflects the deformation control of the cylinder butt weld, and there is no targeted solution for the deformation control of the cylinder segment stiffener weld. Therefore, when the cylinder segment wall plate is welded with the stiffener, the welding of the stiffener will cause the welding shrinkage deformation of the wall plate on the side welded with the stiffener, thereby causing the deformation of the wall plate with the trend of increasing curvature. SUMMARY

[0003] The present application aims to at least solve one of the technical problems in the prior art. To this end, one object of the present application is to provide a cylinder segment welding device which can fix the positions of the cylinder wall plate and the stiffener, better control the deformation control of the weld between the cylinder wall plate and the stiffener, and further improve the reliability of the cylinder segment.

[0004] The present application also aims to provide a welding method for the cylinder segment, so as to apply the above-mentioned cylinder segment welding device.

[0005] The barrel segment welding device according to the embodiment of the present application comprises: a base assembly comprising a bottom plate, an inclined web plate, a partition plate and a vertical web plate, the bottom plate having a first direction and a second direction perpendicular to each other, the vertical web plate being connected to the bottom plate perpendicularly and extending along the first direction, the partition plate being arranged at both ends of the vertical web plate in the second direction and arranged in multiple along the first direction, the inclined web plate being arranged at both ends of the bottom plate in the second direction and extending along the first direction and connected to the adjacent multiple partition plates, the inclined web plate, the vertical web plate, the partition plate and the inclined web plate away from the surface of the bottom plate jointly forming an arc-shaped supporting surface; a pressing assembly, the pressing assembly being multiple and arranged on the side of the base assembly where the arc-shaped supporting surface is located, the multiple pressing assemblies being spaced in the first direction, and comprising a pressing plate and multiple pressing-down components, both ends of the pressing plate in the second direction being connected to the inclined web plate, the multiple pressing-down components being arranged on the pressing plate and spaced in the direction of the arc of the arc-shaped supporting surface, the pressing-down component comprising a limiting piece and a telescopic piece, the limiting piece being arranged on the pressing plate and provided with a limiting groove, the telescopic piece being arranged on the limiting piece and being telescopic along the direction perpendicular to the arc-shaped supporting surface; a first limiting component arranged at both ends of the base assembly in the second direction and configured to limit both ends of the arc-shaped supporting surface in the second direction; and a second limiting component arranged at both ends of the base assembly in the first direction and configured to limit both ends of the arc-shaped supporting surface in the first direction.

[0006] The barrel segment welding device according to the embodiment of the present application can better fix the barrel wall plate through the cooperation of the arc-shaped supporting surface on the base assembly and the first limiting component and the second limiting component, can position the reinforcing rib and tightly press the reinforcing rib on the barrel wall plate through the arrangement of the pressing assembly comprising the pressing plate and the multiple pressing-down components and the arrangement of the pressing-down component comprising the limiting piece and the telescopic piece, can ensure that the reinforcing rib is perpendicular to the barrel wall plate during the welding process and can well control the deformation of the weld joint between the barrel wall plate and the reinforcing rib, thereby avoiding the deformation of the barrel wall plate with the trend of increasing curvature during the welding process and improving the reliability of the barrel segment welding.

[0007] In some embodiments of the present application, the limiting piece comprises a fixed plate and a first wedge block, the fixed plate being arranged on the pressing plate and provided with a groove open to the side of the arc-shaped supporting surface, the telescopic piece being arranged in the groove, and the first wedge block being arranged in the groove and located at both ends of the groove in the second direction, the first wedge blocks at both ends of the groove in the second direction jointly defining the limiting groove.

[0008] In some embodiments of the present application, the first wedge is position adjustable on the fixed plate in the first direction, and in the first direction, the thickness of the first wedge in the direction of the circular arc of the arc-shaped support surface gradually decreases.

[0009] In some embodiments of the present application, the two ends of the second direction of the pressing plate are connected with the corresponding inclined web plates through detachable assemblies.

[0010] In some embodiments of the present application, the detachable assembly comprises a hinged seat and a connecting pin, the hinged seat is arranged on the inclined web plate, the pressing plate is provided with a mounting hole, the connecting pin is arranged in the hinged seat and the mounting hole, and the connecting pin is locked to the pressing plate and the hinged seat through a nut.

[0011] In some embodiments of the present application, the first limiting component comprises a positioning plate, a pressing plate and a second wedge, the positioning plate is arranged on the inclined web plate and is parallel to the inclined web plate, the pressing plate is connected to the positioning plate perpendicularly and is located between the arc-shaped support surface and the pressing plate, and the second wedge is arranged on one side of the pressing plate close to the arc-shaped support surface.

[0012] In some embodiments of the present application, the second limiting component is a plate and is arranged on the inclined web plate, the second limiting component is provided with a positioning surface on one side close to the inclined web plate, and in the direction in which the arc-shaped support surface points to the pressing plate, the distance between the positioning surface and the end surface of the inclined web plate gradually increases.

[0013] In some embodiments of the present application, the number of the partition plates at the two ends of the second direction of the vertical web plate is equal to the number of the pressing plates and corresponds to the pressing plates one by one, and the orthographic projection of each pressing plate and the corresponding partition plate on the bottom plate at least partially overlaps.

[0014] In some embodiments of the present application, the orthographic projection of the limiting groove, the telescopic component and the vertical web plate on the bottom plate is concentric.

[0015] According to the method for welding cylinder segments of the embodiments of the present application, any one of the foregoing methods for welding cylinder segments is used, the cylinder segment comprises a cylinder wall plate and a reinforcing rib, the reinforcing rib is arranged in a plurality along the direction of the circular arc of the cylinder wall plate, each reinforcing rib extends in the first direction, and the method comprises:

[0016] Step S1, placing the cylinder wall plate on the arc-shaped support surface, limiting the two ends of the cylinder wall plate in the direction of the circular arc through the first limiting component, and limiting the two ends of the cylinder wall plate in the length direction through the second limiting component, and then driving the telescopic component to press and fit the cylinder wall plate and the arc-shaped support surface;

[0017] Step S2, the first limiting component is used to press and adhere the two ends of the circular arc direction of the cylinder wall plate to the arc-shaped supporting surface;

[0018] Step S3, one of the reinforcing ribs is placed at the middle position of the cylinder wall plate, and the reinforcing rib is limited by the limiting groove of the limiting component, then the telescopic component is driven to vertically press the reinforcing rib on the cylinder wall plate, and the reinforcing rib and the cylinder wall plate are fixed by spot welding;

[0019] Step S4, the positioning block is made according to the position of the two adjacent reinforcing ribs, another reinforcing rib is placed on the cylinder wall plate by the positioning block, and the remaining reinforcing ribs are sequentially installed according to the steps of step S3;

[0020] Step S5, the cylinder wall plate and all the reinforcing ribs are welded together.

[0021] According to the welding method of the cylinder segment provided by the embodiment of the application, the cylinder wall plate can be limited by the arc-shaped supporting surface, the first limiting component and the second limiting component, the reinforcing rib can be limited by the limiting component and the telescopic component, the reinforcing rib can be sequentially fixed by spot welding, and the position relationship between the reinforcing ribs can be accurately positioned by the positioning block, so that the vertical welding of the cylinder wall plate and the reinforcing rib can be realized, the welding seam between the cylinder wall plate and the reinforcing rib can be well deformed, the deformation trend of the cylinder wall plate with increasing curvature in the welding process can be avoided, the structural strength of the connection between the cylinder wall plate and the reinforcing rib can be improved, and the reliability of the cylinder segment can be improved.

[0022] Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will become apparent to those skilled in the art upon examination of the following and / or can be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and / or additional aspects and advantages of the application will become apparent and be readily understood by considering the following detailed description, including the accompanying drawings, in which:

[0024] Figure 1 A perspective view of a cylinder segment welding device provided for some embodiments of the application is shown in the figure;

[0025] Figure 2 A perspective view of a cylinder segment welding device and cylinder segment cooperation provided for some embodiments of the application is shown in the figure;

[0026] Figure 3 A top view of a cylinder segment welding device and cylinder segment cooperation provided for some embodiments of the application is shown in the figure;

[0027] Figure 4 A side view of a cylinder segment welding device and cylinder segment cooperation provided for some embodiments of the application is shown in the figure;

[0028] Figure 5 A structure schematic diagram of the cylinder segment provided for some embodiments of the present application;

[0029] Figure 6 A front view of the cylinder segment welding device and the cylinder segment provided for some embodiments of the present application;

[0030] Figure 7 A structure schematic diagram of the pressing part and the reinforcing rib provided for some embodiments of the present application;

[0031] Figure 8 A partial schematic diagram of the cylinder segment welding device and the cylinder segment provided for some embodiments of the present application Figure 1 ;

[0032] Figure 9 A partial schematic diagram of the cylinder segment welding device and the cylinder segment provided for some embodiments of the present application Figure 2 ;

[0033] Figure 10 A flow chart of the welding method of the cylinder segment provided for some embodiments of the present application.

[0034] Reference signs:

[0035] 100, cylinder segment welding device;

[0036] 10, base assembly; 10a, arc-shaped support surface; 11, bottom plate; 12, inclined web plate; 13, partition plate; 14, vertical web plate;

[0037] 20, pressing assembly; 21, pressing plate; 22, pressing part; 221, limiting piece; 221a, limiting groove; 2211, fixed plate; 2211a, groove; 2212, first wedge block; 222, telescopic piece; 23, detachable assembly; 231, hinged seat; 232, connecting pin;

[0038] 30, first limiting part; 31, positioning plate; 32, pressing plate; 33, second wedge block;

[0039] 40, second limiting part; 40a, positioning surface;

[0040] 200, cylinder segment; 210, cylinder wall plate; 220, reinforcing rib. DETAILED DESCRIPTION

[0041] Embodiments of the present application are described below in the detailed description and illustrated in the accompanying drawings by which like or similar elements, e.g., 100, are indicated with the same or similar reference numerals throughout the several views. The embodiments described are illustrative of the present application but are not meant to limit the scope of the application as set forth in the claims.

[0042] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0043] In addition, the features defined as "first", "second" can explicitly or implicitly include one or more of the features, for distinguishing the description of the features, without order, without light and heavy.

[0044] In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0045] In the description of the present application, it needs to be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] The barrel segment welding device 100 of the embodiments of the present application is described below with reference to Figures 1-9

[0047] As Figures 1 to 7 ​As shown, the barrel segment welding device 100 of the embodiment of the present application comprises a base assembly 10, a pressing assembly 20, a first limiting component 30 and a second limiting component 40. The base assembly 10 comprises a bottom plate 11, an inclined web plate 12, a partition plate 13 and a vertical web plate 14, the bottom plate 11 has a first direction and a second direction perpendicular to each other, the vertical web plate 14 is connected to the bottom plate 11 perpendicularly and extends along the first direction, the partition plate 13 is arranged at both ends of the vertical web plate 14 in the second direction and is arranged in multiple along the first direction, the inclined web plate 12 is arranged at both ends of the bottom plate 11 in the second direction and extends along the first direction, and is connected to the adjacent multiple partition plates 13, the inclined web plate 12, the vertical web plate 14, the partition plate 13 and the surface of the inclined web plate 12 away from the bottom plate 11 jointly form an arc-shaped support surface 10a; the pressing assembly 20 is arranged on the side of the base assembly 10 where the arc-shaped support surface 10a is located, and is multiple, the multiple pressing assemblies 20 are spaced in the first direction, and comprise a pressing plate 21 and multiple pressing-down components 22, both ends of the pressing plate 21 in the second direction are connected to the inclined web plate 12, the multiple pressing-down components 22 are arranged on the pressing plate 21 and are spaced in the direction of the circular arc of the arc-shaped support surface 10a, the pressing-down component 22 comprises a limiting piece 221 and a telescopic piece 222, the limiting piece 221 is arranged on the pressing plate 21 and is provided with a limiting groove 221a, and the telescopic piece 222 is arranged on the limiting piece 221 and is telescopic in the direction perpendicular to the arc-shaped support surface 10a; the first limiting component 30 is arranged at both ends of the base assembly 10 in the second direction and protrudes relative to the arc-shaped support surface 10a; the second limiting component 40 is arranged at both ends of the base assembly 10 in the first direction and protrudes relative to the arc-shaped support surface 10a.

[0048] The base assembly 10 can refer to an assembly for supporting the barrel, and can be but is not limited to alloy steel, stainless steel, aluminum alloy, composite material and the like. In the above technical solution, the base assembly 10 comprises the bottom plate 11, the inclined web plate 12, the partition plate 13 and the vertical web plate 14, and the connection mode between the bottom plate 11, the inclined web plate 12, the partition plate 13 and the vertical web plate 14 can be but is not limited to welding, bolt connection, riveting and the like. The bottom plate 11 can refer to a plate for providing a mounting platform for other components, the inclined web plate 12 can refer to a plate arranged at both ends of the bottom plate 11 in the second direction, the vertical web plate 14 can refer to a plate connected to the bottom plate 11 perpendicularly, and the partition plate 13 can refer to a plate connecting the bottom plate 11, the inclined web plate 12 and the vertical web plate 14, thereby improving the structural strength of the bottom plate 11, the inclined web plate 12 and the vertical web plate 14. The base assembly 10 composed of the bottom plate 11, the inclined web plate 12, the vertical web plate 14 and the partition plate 13 constitutes a frame structure as a whole, has high structural strength, can save materials, reduce the overall weight, and is convenient for transportation and use.

[0049] The partition plate 13 is an arc-shaped plate, and the bottom plate 11, the inclined web plate 12, the partition plate 13 and the vertical web plate 14 jointly form an arc-shaped supporting surface 10a away from the surface of the bottom plate 11, the curvature of the arc-shaped supporting surface 10a matches the outer arc surface of the cylinder segment 200 to be welded, and the cylinder segment 200 can be arranged on the arc-shaped supporting surface 10a, thereby forming accurate and stable support for the cylinder segment 200, and the partition plate 13 is arranged in multiple in the first direction, and the number of the partition plate 13 can be, but is not limited to, two, three, four, five, six, seven, eight, nine and the like. Among them, referring to Figure 2 , the first direction refers to the front-rear direction, and the second direction can refer to the left-right direction.

[0050] In the embodiments of the present application, referring to Figure 5 , the cylinder segment 200 includes a cylinder wall plate 210 and a reinforcing rib 220, the pressing assembly 20 can be a component for limiting the displacement of the reinforcing rib 220, the pressing assembly 20 can limit the pose of the reinforcing rib 220 during welding, and the pressing assembly 20 is arranged in multiple in the first direction, which increases the pressing position of the reinforcing rib 220 and the cylinder wall plate 210, and improves the stability and reliability of the pressing assembly 20 for pressing the reinforcing rib 220 and the cylinder wall plate 210. The number of the pressing assembly 20 can be, but is not limited to, two, three, four, five and the like.

[0051] In the above technical solution, the pressing assembly 20 can include a pressing plate 21 and multiple pressing components 22, the second direction of the pressing plate 21 is connected to the inclined web plate 12, and the multiple pressing components 22 are arranged on the pressing plate 21 and are spaced in the direction of the circular arc of the arc-shaped supporting surface 10a, and the number of the pressing components 22 can be, but is not limited to, two, three, four, five and the like. The pressing plate 21 can provide mounting positions for the multiple pressing components 22, and can provide a downward pressing action, and the multiple pressing components 22 can be matched with multiple reinforcing ribs 220 to provide a good downward pressing action on the reinforcing rib 220. The pressing component 22 includes a limiting piece 221 and an extension piece 222, the limiting piece 221 can be a component for limiting the displacement of the reinforcing rib 220 along the arc tangent direction of the cylinder wall plate 210, the limiting piece 221 is arranged on the pressing plate 21 and is provided with a limiting groove 221a, and the reinforcing rib 220 is partially arranged in the limiting groove 221a, and the extension piece 222 can be a component for extending and contracting in the radial direction of the cylinder wall plate 210, and the extension piece 222 can be, but is not limited to, a hydraulic jack, a hydraulic cylinder, a hydraulic rod, an electric push rod, an electric cylinder, a lead screw and the like, and the extension piece 222 can be, for example, a hydraulic jack providing a force of 5 tons. Among them, the extension piece 222 is controlled to press the reinforcing rib 220 against the cylinder wall plate 210, limit the displacement of the reinforcing rib 220 in the radial direction of the cylinder wall plate 210, and lock the pose of the reinforcing rib 220 together with the limiting piece 221 to ensure that the reinforcing rib 220 is perpendicular to the cylinder wall plate 210.

[0052] The first limiting component 30 can refer to a component for limiting displacement of the cylinder wall plate 210 in the second direction, and the second limiting component 40 can refer to a component for limiting displacement of the cylinder wall plate 210 in the first direction. The first limiting component 30 is arranged at both ends of the base assembly 10 in the second direction, and the second limiting component 40 is arranged at both ends of the base assembly 10 in the first direction. The first limiting component 30 and the second limiting component 40 avoid blocking the upper side of the arc-shaped support surface 10a, and facilitate placement of the cylinder wall plate 210 on the arc-shaped support surface 10a by hoisting or the like.

[0053] Reference Figure 5 The reinforcing rib 220 is arranged in a plurality along the arc direction of the cylinder wall plate 210 and extends along the axial direction of the cylinder wall plate 210. In related technologies, the cylinder wall plate 210 and the reinforcing rib 220 are prone to deformation when being welded, which can easily cause the reinforcing rib 220 to be not perpendicular to the cylinder wall plate 210, and reduce the structural strength of the reinforcing rib 220 for reinforcing the cylinder wall plate 210. In the above technical solution, the cylinder wall plate 210 is placed on the arc-shaped support surface 10a by hoisting, the first limiting component 30 and the second limiting component 40 are used to limit displacement of the cylinder wall plate 210 in the first direction and the second direction, the reinforcing rib 220 is partially placed in the limiting groove 221a, the extension of the telescopic member 222 is controlled to move the reinforcing rib 220 along the radial direction of the cylinder wall plate 210, the reinforcing rib 220 is pressed against the cylinder wall plate 210, the displacement of the reinforcing rib 220 in the radial direction is limited, and the limiting member 221 limits the displacement of the reinforcing rib 220 along the arc tangent direction of the cylinder wall plate 210, so as to limit the pose of the reinforcing rib 220. In the whole welding process, the reinforcing rib 220 can be tightly pressed against the cylinder wall plate 210, and the cylinder wall plate 210 can be tightly pressed against the arc-shaped support surface 10a, so as to ensure that the reinforcing rib 220 is perpendicular to the cylinder wall plate 210 during welding, and realize good deformation control between the cylinder wall plate 210 and the reinforcing rib 220. The base assembly 10 adopts a frame structure composed of the bottom plate 11, the inclined web plate 12, the vertical web plate 14, and the partition plate 13, and is in line contact with the cylinder wall plate 210 instead of large-area contact. On the one hand, the lower part of the cylinder wall plate 210 is not in contact with the base assembly 10, which facilitates nondestructive testing of the cylinder wall plate 210 by the testing personnel after welding is completed. On the other hand, the cylinder wall plate 210 can be well attached to the arc-shaped support surface 10a.

[0054] The barrel segment welding device 100 according to the embodiment of the present application can better fix the barrel wall plate 210 through the arc-shaped supporting surface 10a on the base assembly 10 and the cooperation of the first limiting component 30 and the second limiting component 40, can limit the reinforcing rib 220 and tightly press the reinforcing rib 220 on the barrel wall plate 210 through the arrangement of the pressing assembly 20 including the pressing plate 21 and the plurality of pressing components 22 and the arrangement of the pressing component 22 including the limiting piece 221 and the telescopic piece 222, can ensure that the barrel wall plate 210 is tightly attached to the arc-shaped supporting surface 10a for shape retention, can ensure that the reinforcing rib 220 is perpendicular to the barrel wall plate 210 during the welding process, and can well control the deformation of the welding seam between the barrel wall plate 210 and the reinforcing rib 220, thereby avoiding the deformation of the barrel wall plate 210 with the trend of increasing curvature during the welding process, and further improving the reliability of the barrel segment 200 welding.

[0055] In some embodiments of the present application, with reference to Figure 7 The limiting piece 221 includes a fixed plate 2211 and a first wedge 2212, the fixed plate 2211 is arranged on the pressing plate 21 and is provided with a groove 2211a which is open to one side of the arc-shaped supporting surface 10a, the telescopic piece 222 is arranged in the groove 2211a, and the first wedge 2212 is arranged in the groove 2211a and located at both ends of the second direction of the groove 2211a, and the first wedges 2212 located at both ends of the second direction of the groove 2211a jointly define a limiting groove 221a.

[0056] In the above technical solution, the first wedges 2212 located at both ends of the second direction of the groove 2211a jointly define the limiting groove 221a, the size of the limiting groove 221a is matched with the thickness of the reinforcing rib 220, the reinforcing rib 220 can be limited, the reinforcing rib 220 can be prevented from being inclined during the welding process, the reinforcing rib 220 can be ensured to be perpendicular to the barrel wall plate 210, and the reliability of the barrel segment 200 welding is improved. Meanwhile, the first wedges 2212 are arranged in the groove 2211a, the space utilization of the limiting piece 221 can be improved, and the first wedges 2212 can be protected.

[0057] In some embodiments of the present application, the first wedges 2212 are adjustable in position on the fixed plate 2211 in the first direction, and in the first direction, the thickness of the first wedges 2212 in the direction of the arc of the arc-shaped supporting surface 10a gradually decreases.

[0058] In the technical scheme, the first wedge block 2212 is position-adjustable on the fixed plate 2211 in the first direction, so that the width of the limiting groove 221a in the first direction can be adjusted according to the actual width of the reinforcing rib 220, thereby more stably pressing the reinforcing rib 220 and facilitating deformation control of the reinforcing rib 220 and the cylinder wall plate 210 during welding. Meanwhile, in the first direction, the thickness of the first wedge block 2212 gradually decreases in the direction of the circular arc of the arc-shaped supporting surface 10a, and an inclined guide surface is formed on the side of the first wedge block 2212 facing the arc-shaped supporting surface 10a, so that when the reinforcing rib 220 is placed in the limiting groove 221a, the inclined guide surface can guide the placement of the reinforcing rib 220, so that the reinforcing rib 220 can be more easily and accurately placed in the limiting groove 221a, thereby reducing the operation difficulty and improving the installation efficiency of the reinforcing rib 220.

[0059] In some embodiments of the present application, with reference to Figure 9 The two ends of the second direction of the pressing plate 21 are connected with the corresponding inclined web plates 12 through the detachable assembly 23. In the technical scheme, the two ends of the second direction of the pressing plate 21 are connected with the corresponding inclined web plates 12 through the detachable assembly 23, so that the cylinder segment 200 on the arc-shaped supporting surface 10a can be conveniently adjusted or placed and taken, thereby improving the operation flexibility and the working efficiency of the cylinder segment welding device 100.

[0060] In some embodiments of the present application, with reference to Figure 9 The detachable assembly 23 comprises a hinged seat 231 and a connecting pin 232, the hinged seat 231 is arranged on the inclined web plate 12, the pressing plate 21 is provided with a mounting hole, the connecting pin 232 is arranged through the hinged seat 231 and the mounting hole and is locked to the pressing plate 21 and the hinged seat 231 through a nut.

[0061] In the technical scheme, when the pressing plate 21 needs to be detached, the connecting pin 232 is only pulled out, so that the pressing plate 21 can be turned up and opened or completely detached around the hinge point, which is simple and convenient in operation and improves the working efficiency of the detachable assembly 23. Meanwhile, the hinged structure also enables the pressing plate 21 to be stably connected with the base assembly 10 in the non-detached state, ensures the structural rigidity during the operation of the pressing assembly 20 and improves the reliability of the pressing assembly 20.

[0062] In some embodiments of the present application, with reference to Figure 9 The first limiting component 30 comprises a positioning plate 31, a pressing plate 32 and a second wedge block 33, the positioning plate 31 is arranged on the inclined web plate 12 and is parallel to the inclined web plate 12, the pressing plate 32 is perpendicularly connected with the positioning plate 31 and is located between the arc-shaped supporting surface 10a and the pressing plate 21, and the second wedge block 33 is arranged on the side of the pressing plate 32 close to the arc-shaped supporting surface 10a.

[0063] In the technical scheme, the positioning plate 31 is parallel to the inclined web plate 12, and the pressing plate 32 is vertically connected to the positioning plate 31; when the cylinder wall plate 210 is placed in position, the pressing plate 32 is adjusted to move along the radial direction of the cylinder wall plate 210, so that the second wedge block 33 presses the cylinder wall plate 210, and the displacement of the cylinder wall plate 210 in the radial direction is limited; the positioning plate 31 limits the displacement of the cylinder wall plate 210 in the second direction, so that the cylinder wall plate 210 can keep accurate position during welding, the welding deviation caused by the movement of the cylinder wall plate 210 is avoided, and the reliability of the cylinder segment welding device 100 is improved, thereby improving the reliability of the cylinder segment 200.

[0064] In some embodiments of the present application, with reference to Figure 8 , the second limiting component 40 is a plate and is arranged on the inclined web plate 12; the second limiting component 40 is provided with a positioning surface 40a close to one side of the inclined web plate 12; and the distance between the positioning surface 40a and the end surface of the inclined web plate 12 gradually increases in the direction in which the arc-shaped supporting surface 10a points to the pressing plate 21.

[0065] In the technical scheme, the distance between the positioning surface 40a and the end surface of the inclined web plate 12 gradually increases, which can guide the cylinder wall plate 210 and facilitate the placement of the cylinder wall plate 210 on the arc-shaped supporting surface 10a from above the arc-shaped supporting surface 10a, so that the cylinder wall plate 210 is prevented from colliding with the second limiting component 40 during installation, and the reliability of the cylinder segment welding device 100 is improved.

[0066] In some embodiments of the present application, with reference to Figure 2 , the number of the partition plates 13 at the two ends of the second direction of the vertical web plate 14 is equal to the number of the pressing plates 21 and corresponds to the pressing plates 21 one by one; and the orthographic projection of each pressing plate 21 and the corresponding partition plate 13 on the bottom plate 11 at least partially overlaps. In the technical scheme, the upward supporting force of the vertical web plate 14, the downward pressure of the pressing plate 21 and the downward pressure of the downward pressing component 22 are all on the same vertical line, which can reduce the dispersion of the force, make the force on the cylinder wall plate 210 more uniform and consistent, and thus the base assembly 10 can stably support the cylinder segment 200, the vertical web plate 14 and the inclined web plate 12 are prevented from being deformed or damaged due to excessive force, and the reliability of the base assembly 10 is improved.

[0067] In some embodiments of the present application, with reference to Figure 2 , the orthographic projections of the limiting groove 221a, the telescopic component 222 and the vertical web plate 14 on the bottom plate 11 are concentric. In the technical scheme, the force on the reinforcing rib 220 and the cylinder wall plate 210 can be ensured to be on the same line when the reinforcing rib 220 and the cylinder wall plate 210 are matched, so that the reinforcing rib 220 and the cylinder wall plate 210 are subjected to normal pressure, the effect of supporting and limiting the cylinder segment 200 is improved, and thus the reliability of the cylinder segment welding device 100 is improved.

[0068] The present application will be described below in conjunction with Figures 2 to 9 , describes a specific embodiment of the barrel segment welding device 100.

[0069] The barrel segment welding device 100 comprises a base assembly 10, a pressing assembly 20, a first limiting component 30 and a second limiting component 40.

[0070] The base assembly 10 comprises a base plate 11, an inclined web plate 12, a partition plate 13 and a vertical web plate 14, the base plate 11 has a first direction and a second direction perpendicular to each other, the vertical web plate 14 is connected to the base plate 11 perpendicularly and extends along the first direction, the partition plate 13 is arranged at both ends of the vertical web plate 14 in the second direction and is arranged in multiple along the first direction, the inclined web plate 12 is arranged at both ends of the base plate 11 in the second direction and extends along the first direction, and is connected to the adjacent multiple partition plates 13, the inclined web plate 12, the vertical web plate 14, the partition plate 13 and the surface of the inclined web plate 12 away from the base plate 11 jointly form an arc-shaped supporting surface 10a. The number of the partition plates 13 at both ends of the vertical web plate 14 in the second direction is equal to the number of the pressing plates 21 and one-to-one correspondence, and the orthogonal projection of each pressing plate 21 and the corresponding partition plate 13 on the base plate 11 overlaps.

[0071] The pressing assembly 20 comprises a pressing plate 21 and multiple pressing-down components 22, both ends of the pressing plate 21 in the second direction are connected to the base assembly 10, and the multiple pressing-down components 22 are arranged on the pressing plate 21 and are spaced in the direction of the circular arc of the arc-shaped supporting surface 10a. The pressing-down component 22 comprises a limiting piece 221 and a telescopic piece 222, the limiting piece 221 comprises a fixed plate 2211 and a first wedge block 2212, the fixed plate 2211 is arranged on the pressing plate 21 and is provided with a groove 2211a open to one side of the arc-shaped supporting surface 10a, the telescopic piece 222 is arranged in the groove 2211a, the telescopic piece 222 is telescopic in the direction perpendicular to the arc-shaped supporting surface 10a, and the first wedge block 2212 is arranged in the groove 2211a and located at both ends in the second direction of the groove 2211a, the first wedge blocks 2212 located at both ends in the second direction of the groove 2211a jointly define a limiting groove 221a. The position of the first wedge block 2212 on the fixed plate 2211 in the first direction is adjustable, and in the first direction, the thickness of the first wedge block 2212 in the circular arc direction of the arc-shaped supporting surface 10a gradually decreases. The centers of the orthogonal projections of the limiting groove 221a, the telescopic piece 222 and the vertical web plate 14 on the base plate 11 coincide. Both ends of the pressing plate 21 in the second direction are connected to the corresponding inclined web plate 12 through a detachable assembly 23, the detachable assembly 23 comprises a hinged seat 231 and a connecting pin 232, the hinged seat 231 is arranged on the inclined web plate 12, the pressing plate 21 is provided with a mounting hole, the connecting pin 232 is arranged through the hinged seat 231 and the mounting hole, and is locked to the pressing plate 21 and the hinged seat 231 through a nut.

[0072] The first limiting component 30 includes a positioning plate 31, a pressing plate 32, and a second wedge 33. The positioning plate 31 is disposed on the inclined web plate 12 and parallel to the inclined web plate 12. The pressing plate 32 is vertically connected to the positioning plate 31 and is located between the arc-shaped support surface 10a and the pressure plate 21. The second wedge 33 is disposed on the side of the pressing plate 32 near the arc-shaped support surface 10a.

[0073] The second limiting component 40 is a plate and is provided on the inclined web plate 12. The second limiting component 40 is provided with a positioning surface 40a on the side of the inclined web plate 12. In the direction from the arc-shaped support surface 10a to the pressure plate 21, the distance between the positioning surface 40a and the end face of the inclined web plate 12 gradually increases.

[0074] like Figure 10 As shown, in the welding method of the cylindrical section 200 according to an embodiment of the present invention, using the welding method of the cylindrical section 200 of any of the preceding embodiments, multiple reinforcing ribs 220 are provided along the arc direction of the cylindrical wall plate 210, and each reinforcing rib 220 extends along a first direction. The welding method of the cylindrical section 200 of the present invention includes:

[0075] Step S1: Place the cylindrical wall panel 210 on the arc-shaped support surface 10a. The first limiting component 30 limits the two ends of the cylindrical wall panel 210 in the arc direction, and the second limiting component 40 limits the two ends of the cylindrical wall panel 210 in the length direction. Then, drive the telescopic component 222 to press the cylindrical wall panel 210 and the arc-shaped support surface 10a tightly together. In this step, the telescopic component 222 can initially act directly on the cylindrical wall panel 210, first tightly fitting the cylindrical wall panel 210 and the arc-shaped support surface 10a, thereby ensuring the shape of the cylindrical wall panel 210.

[0076] Step S2: The first limiting component 30 presses the two ends of the cylindrical wall panel 210 in the arc direction against the arc-shaped support surface 10a. After completing step S1, the middle area of ​​the cylindrical wall panel 210 is pressed and bound. At this time, the first limiting component 30 presses the edge of the cylindrical wall panel 210 to ensure that the edge of the cylindrical wall panel 210 does not warp, and further ensures that the cylindrical wall panel 210 can be completely attached to the arc-shaped support surface 10a.

[0077] Step S3: Place a reinforcing rib 220 in the middle of the cylindrical wall panel 210 and limit the reinforcing rib 220 by the limiting groove 221a of the limiting member 221. Then drive the telescopic member 222 to vertically press the reinforcing rib 220 onto the cylindrical wall panel 210 and then spot weld the reinforcing rib 220 and the cylindrical wall panel 210 together.

[0078] Step S4, a positioning block is made according to the position of the two adjacent reinforcing ribs 220, another reinforcing rib 220 is placed on the cylinder wall plate 210 through the positioning block, and the remaining reinforcing ribs 220 are sequentially installed according to the steps of step S3. In this step, the positioning block can be a plate member capable of positioning the position between the two adjacent reinforcing ribs 220. After the reinforcing rib 220 in the middle position is fixed, the position of the remaining reinforcing ribs 220 can be accurately positioned by means of the positioning block, and the position accuracy is provided for the pressing component 22 to press the reinforcing ribs 220, so as to ensure the position accuracy of the reinforcing ribs 220 on the cylinder wall plate 210.

[0079] Step S5, the cylinder wall plate 210 and all the reinforcing ribs 220 are welded together. That is, the front reinforcing ribs 220 and the cylinder wall plate 210 are first positioned by spot welding, and finally the reinforcing ribs 220 and the cylinder wall plate 210 are completely welded together.

[0080] According to the welding method of the cylinder segment 200 of the embodiment of the present application, the cylinder wall plate 210 can be positioned by the arc-shaped supporting surface 10a, the first limiting component 30 and the second limiting component 40, the reinforcing ribs 220 can be positioned by the limiting member 221 and the telescopic member 222, the reinforcing ribs 220 are sequentially fixed by spot welding, and the position relationship between the reinforcing ribs 220 is accurately positioned by the positioning block, so that the vertical welding of the cylinder wall plate 210 and the reinforcing ribs 220 can be realized, the deformation of the cylinder wall plate 210 with the trend of increasing curvature during the welding process can be avoided, the structural strength of the connection between the cylinder wall plate 210 and the reinforcing ribs 220 is improved, and the reliability of the cylinder segment 200 is further improved.

[0081] In the description of the present specification, the description of the terms "some embodiments", "optionally", "further", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0082] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A cylindrical section welding device, characterized in that, include: A base assembly includes a base plate, an inclined web plate, partitions, and a vertical web plate. The base plate has a first direction and a second direction that are perpendicular to each other. The vertical web plate is perpendicularly connected to the base plate and extends along the first direction. The partitions are provided at both ends of the vertical web plate in the second direction and are provided in multiple ways along the first direction. The inclined web plate is provided at both ends of the base plate in the second direction and extends along the first direction, and is connected to the adjacent multiple partitions. The surfaces of the inclined web plate, the vertical web plate, the partitions, and the inclined web plate away from the base plate together form an arc-shaped support surface. A clamping assembly, comprising multiple clamping assemblies disposed on one side of the arc-shaped support surface of the base assembly, wherein the multiple clamping assemblies are spaced apart in the first direction and include a pressure plate and multiple pressing components, wherein the two ends of the pressure plate in the second direction are connected to the inclined web plate, and the multiple pressing components are disposed on the pressure plate and spaced apart in the arc direction of the arc-shaped support surface, wherein each pressing component includes a limiting member and a telescopic member, wherein the limiting member is disposed on the pressure plate and has a limiting groove, and the telescopic member is disposed on the limiting member and is telescopic in a direction perpendicular to the arc-shaped support surface; A first limiting component is disposed at both ends of the base assembly in the second direction and is configured to limit the two ends of the arcuate support surface in the second direction. The second limiting component is disposed at both ends of the base assembly in the first direction and is configured to limit the two ends of the arcuate support surface in the first direction.

2. The cylindrical segment welding device according to claim 1, characterized in that, The limiting member includes a fixing plate and a first wedge. The fixing plate is disposed on the pressure plate and has a groove that opens to one side of the arc-shaped support surface. The telescopic member is disposed in the groove. The first wedge is disposed in the groove and located at both ends of the groove in the second direction. The first wedges located at both ends of the groove in the second direction together define the limiting groove.

3. The cylindrical section welding device according to claim 2, characterized in that, The position of the first wedge on the fixed plate in the first direction is adjustable, and in the first direction, the thickness of the first wedge gradually decreases in the arc direction of the arc-shaped support surface.

4. The cylindrical section welding device according to claim 1, characterized in that, The two ends of the pressure plate in the second direction are connected to the corresponding inclined web plate by detachable components.

5. The cylindrical section welding device according to claim 4, characterized in that, The detachable component includes a hinge seat and a connecting pin. The hinge seat is disposed on the inclined web plate, the pressure plate is provided with a mounting hole, and the connecting pin passes through the hinge seat and the mounting hole and is locked to the pressure plate and the hinge seat by a nut.

6. The cylindrical section welding device according to claim 1, characterized in that, The first limiting component includes a positioning plate, a pressing plate, and a second wedge. The positioning plate is disposed on the inclined web and parallel to the inclined web. The pressing plate is perpendicularly connected to the positioning plate and is located between the arc-shaped support surface and the pressing plate. The second wedge is disposed on the side of the pressing plate near the arc-shaped support surface.

7. The cylindrical section welding device according to claim 1, characterized in that, The second limiting component is a plate and is provided on the inclined web. The second limiting component has a positioning surface on the side near the inclined web. In the direction from the arc-shaped support surface to the pressure plate, the distance between the positioning surface and the end face of the inclined web gradually increases.

8. The cylindrical section welding device according to claim 1, characterized in that, The number of partitions and the number of pressure plates at both ends of the vertical web in the second direction are equal and correspond one-to-one, and the orthographic projections of each pressure plate and the corresponding partition on the bottom plate at least partially overlap.

9. The cylindrical section welding device according to claim 1, characterized in that, The centers of the limiting groove, the telescopic member, and the vertical web plate on the base plate coincide.

10. A method for welding sections of a cylindrical body, characterized in that, Using the cylinder segment welding apparatus as described in any one of claims 1 to 9, the cylinder segment includes a cylinder wall plate and reinforcing ribs, wherein multiple reinforcing ribs are provided along the arc direction of the cylinder wall plate, and each reinforcing rib extends along the first direction, the method comprising: Step S1: Place the cylindrical wall panel on the arc-shaped support surface, limit the two ends of the cylindrical wall panel in the arc direction by the first limiting component, and limit the two ends of the cylindrical wall panel in the length direction by the second limiting component, and then drive the telescopic component to press the cylindrical wall panel and the arc-shaped support surface tightly together. Step S2: Press the two ends of the cylindrical wall panel in the arc direction against the arc-shaped support surface using the first limiting component; Step S3: Place one of the reinforcing ribs in the middle of the cylindrical wall panel and limit the reinforcing ribs by the limiting groove of the limiting member. Then drive the telescopic member to vertically press the reinforcing ribs onto the cylindrical wall panel and spot weld the reinforcing ribs and the cylindrical wall panel to fix them. Step S4: Make a positioning block according to the positions of two adjacent reinforcing ribs, place another reinforcing rib on the cylinder wall panel through the positioning block, and then install the remaining reinforcing ribs in sequence according to the steps of step S3; Step S5: Weld the cylinder wall panel and all the reinforcing ribs together.

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