Large-diameter water pressure flange cover

Abstract

The utility model discloses a large-diameter water pressure flange cover which comprises a cover body, a reinforcing assembly and a butt joint assembly. A plurality of bolt holes are evenly distributed in the periphery of the cover body, bolts are arranged on the bolt holes, and the cover body is fixed to the pipeline through the bolts. The reinforcing assembly is arranged on the side, opposite to the pipeline opening, of the cover body and comprises a main rib plate and a plurality of auxiliary rib plates, the main rib plate is in a circular ring shape and is fixedly welded to the cover body, the main rib plate and the cover body are coaxially arranged, the auxiliary rib plates are evenly arranged on the periphery of the main rib plate in the circumferential direction, and the auxiliary rib plates are fixedly welded to the main rib plate and the cover body; the butt-joint assembly is arranged on the side, facing the pipeline opening, of the cover body and used for accurately aligning the pipeline opening with the cover body. According to the large-diameter water pressure flange cover, the strength of the flange cover can be enhanced without increasing the overall thickness of the cover body through the matching of the main rib plate and the auxiliary rib plate, so that the thickness of the flange is reduced as much as possible on the basis of ensuring the strength of the flange cover, the cost is reduced, the weight of the flange is greatly reduced, and the subsequent disassembly and assembly work of the flange plate is facilitated.

Description

Technical Field

[0001] The utility model relates to flange technology, in particular to a large-diameter water pressure flange cover. Background Art

[0002] Blind plate, also known as flange cover, is also called blind flange or pipe plug. It is a flange without a hole in the middle, used to block the pipe opening.

[0003] The standard does not give specific parameters for flange covers with high pressure values ​​and large pipe diameters. Generally, when designing flange covers, the thickness of the flange is increased to ensure strength, but this will lead to a significant increase in material consumption, high production costs, and excessive weight of a single flange, making disassembly and assembly extremely inconvenient. Utility Model Content

[0004] In order to solve the defects of the above-mentioned prior art, the utility model provides a large-diameter hydraulic flange cover, which enhances the strength of the flange cover through rib plates, reduces the flange thickness, reduces costs, and greatly reduces the flange weight, making subsequent disassembly and assembly of the flange convenient.

[0005] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: a large-diameter hydraulic flange cover, installed on the pipe mouth, including a cover body, a reinforcement assembly and a docking assembly; the cover body is evenly distributed with a plurality of bolt holes, the bolt holes are provided with bolts, and the bolts fix the cover body to the pipe; the reinforcement assembly is arranged on the side of the cover body opposite to the pipe mouth, the reinforcement assembly includes a main rib plate and a plurality of secondary rib plates, the main rib plate is in a circular ring shape, the main rib plate is welded and fixed to the cover body, the main rib plate is coaxially arranged with the cover body, the secondary rib plates are circumferentially evenly arranged on the outer periphery of the main rib plate, and the secondary rib plates are welded and fixed to the main rib plate and the cover body; the docking assembly is arranged on the side of the cover body facing the pipe mouth for accurately aligning the pipe mouth and the cover body.

[0006] Preferably, the cover body is provided with at least two lifting ears, and the lifting ears are uniformly welded to the side of the cover body opposite to the pipe opening.

[0007] Preferably, the docking assembly includes a limit block, the limit block is cylindrical, the limit block and the cover body are integrally formed, and the outer diameter of the limit block is consistent with the inner diameter of the pipe opening.

[0008] Preferably, the outer periphery of the limit block faces the guide surface.

[0009] Preferably, a groove is provided in the limit block, the groove is circular, a plurality of reinforcing plates are provided in the groove, the reinforcing plates are welded together in a crisscross pattern, and the ends of the reinforcing plates are welded and fixed to the groove wall.

[0010] In summary, the utility model has achieved the following technical effects:

[0011] The large-diameter hydraulic flange cover of the utility model can enhance the strength of the flange cover by cooperating with the main rib plate and the secondary rib plate without increasing the overall thickness of the cover body, thereby reducing the flange thickness as much as possible on the basis of ensuring the strength of the flange cover, reducing costs, and greatly reducing the weight of the flange, making it convenient for the subsequent disassembly and assembly of the flange. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a top view of a large-diameter hydraulic flange cover of the utility model;

[0013] Figure 2 yes Figure 1 AA section view;

[0014] Figure 3 It is a bottom view of a large-diameter hydraulic flange cover of the utility model;

[0015] Explanation of the reference numerals in the accompanying drawings in the specification: 1. cover body; 2. main rib plate; 3. secondary rib plate; 4. lifting ear; 5. bolt hole; 6. bolt; 7. limit block; 8. guide surface; 9. reinforcement plate. DETAILED DESCRIPTION

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0017] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0022] Embodiment 1:

[0023] like Figure 1 As shown in Figure 3, a large-diameter hydraulic flange cover is installed on the pipe mouth, including a cover body 1, a reinforcement assembly and a docking assembly; the cover body 1 is evenly distributed with a plurality of bolt holes 5, and the bolt holes 5 are provided with bolts 6, and the bolts 6 fix the cover body 1 to the pipe; the reinforcement assembly is arranged on the side of the cover body 1 opposite to the pipe mouth, and the reinforcement assembly includes a main rib plate 2 and a plurality of secondary rib plates 3, the main rib plate 2 is annular, the main rib plate 2 is welded and fixed to the cover body 1, the main rib plate 2 is coaxially arranged with the cover body 1, the secondary rib plates 3 are circumferentially evenly arranged on the outer periphery of the main rib plate 2, and the secondary rib plates 3 are welded and fixed to the main rib plate 2 and the cover body 1; the docking assembly is arranged on the side of the cover body 1 facing the pipe mouth for accurately aligning the pipe mouth and the cover body 1.

[0024] The thickness of the cover body 1 is greater than or equal to 30 mm, the thickness of the limit block 7 is greater than or equal to 5 mm, and the area of ​​the cover body 1 located outside the limit block 7 and facing the pipe opening is the contact sealing area with the pipe opening. The surface roughness of this area is 12.5 to ensure the sealing performance between it and the pipe opening.

[0025] At least two lifting ears 4 are provided on the cover body 1, and the lifting ears 4 are evenly welded to the side of the cover body 1 opposite to the pipe opening; wherein the lifting ears 4 can be welded and fixed to two auxiliary rib plates 3 located on the same straight line, so as to facilitate the welding of the lifting ears 4; and the provision of the lifting ears 4 facilitates the lifting of the cover body 1 and facilitates the disassembly and assembly work.

[0026] The docking assembly includes a limit block 7, which is cylindrical and is integrally formed with the cover body 1. The outer diameter of the limit block 7 is consistent with the inner diameter of the pipe opening.

[0027] The outer periphery of the limit block 7 faces the guide surface 8; the setting of the guide surface 8 can guide the limit block 7 to quickly and accurately dock with the pipeline opening, thereby improving the alignment speed of the cover body 1 and the pipeline opening.

[0028] A groove is provided in the limit block 7, and the groove is circular. A plurality of reinforcing plates 9 are provided in the groove, and the reinforcing plates 9 are welded together in a criss-cross shape. The ends of the reinforcing plates 9 are welded and fixed to the groove wall. The setting of the groove further reduces the weight, and the setting of the reinforcing plates 9 ensures the strength of the limit block 7 and the cover body 1.

[0029] The large-diameter hydraulic flange cover of this embodiment can enhance the strength of the flange cover through the cooperation of the main rib plate 2 and the secondary rib plate 3 without increasing the overall thickness of the cover body 1, thereby reducing the flange thickness as much as possible on the basis of ensuring the strength of the flange cover, reducing costs, and greatly reducing the weight of the flange, which facilitates the subsequent disassembly and assembly of the flange.

[0030] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A large diameter hydraulic flange cover, installed at the pipe opening, characterized in that: include A cover body, wherein a plurality of bolt holes are evenly distributed around the cover body, and bolts are arranged on the bolt holes, and the bolts fix the cover body to the pipeline; A reinforcement assembly is arranged on the side of the cover body opposite to the pipe opening, the reinforcement assembly includes a main rib plate and a plurality of secondary rib plates, the main rib plate is in a circular shape, the main rib plate is welded and fixed to the cover body, the main rib plate is coaxially arranged with the cover body, the secondary rib plates are circumferentially uniformly arranged on the outer periphery of the main rib plate, and the secondary rib plates are welded and fixed to the main rib plate and the cover body; The docking assembly is arranged on the side of the cover body facing the pipe opening and is used for accurately aligning the pipe opening and the cover body.

2. A large diameter hydraulic flange cover according to claim 1, characterized in that: The cover body is provided with at least two lifting ears, and the lifting ears are uniformly welded to a side of the cover body opposite to the pipe opening.

3. The large diameter hydraulic flange cover according to claim 1, characterized in that: The docking assembly comprises a limit block, which is cylindrical and integrally formed with the cover body, and the outer diameter of the limit block is consistent with the inner diameter of the pipe opening.

4. A large diameter hydraulic flange cover according to claim 3, characterized in that: The outer periphery of the limit block faces the guide surface.

5. The large diameter hydraulic flange cover according to claim 3, characterized in that: A groove is arranged in the limit block, the groove is circular, a plurality of reinforcing plates are arranged in the groove, the reinforcing plates are welded together in a tic-tac-toe shape, and the ends of the reinforcing plates are welded and fixed to the groove wall.

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