Inner supporting device for sealing girth of 5M-grade storage tank
A storage tank and girth seam technology, which is applied in the field of storage tank girth seam welding inner support device, can solve the problems of large volume, complex function and structure of the sealing girth seam inner support device, etc.
Active Publication Date: 2015-05-27
CHINA ACAD OF LAUNCH VEHICLE TECH +2
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Problems solved by technology
[0006] For this reason, the embodiment of the present invention provides a 5M-class storage tank sealing girth internal support device, which can solve the problem of the existing sealing girth internal support device with complex functional structure and large volume; and the whole device is detachable , light weight, good rigidity, suitable for sealing girth seam welding of 5M large-diameter thin-walled storage tanks
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[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0035] figure 1 It is a schematic diagram of the overall structure of the annular seam inner support device of the tank provided by the embodiment of the present invention. Such as figure 1 As shown, the annular seam inner support device of the tank section includes: an inner support ring A, an outer support ring B and a plurality of support mechanisms C; structure, the outer support ring B is an annular structure composed of a plurality of outer ring circum...
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The embodiment of the invention discloses an inner supporting device for a sealing girth of a 5M-grade storage tank. The inner supporting device is used for rounding the sealing girth of the storage tank, is suitable for inner support during welding of the sealing girth of the large-diameter storage tank, and is lighter in weight and is convenient for detaching. The inner supporting device for the sealing girth of the 5M-grade storage tank comprises an inner supporting ring A, an outer supporting ring B and a plurality of supporting mechanisms C, wherein the inner supporting ring A is of an annular structure formed by a plurality of inner ring circumferential connecting rods (3); the outer supporting ring B is of an annular structure formed by a plurality of outer ring circumferential connecting rods (4); the inner supporting ring A and the outer supporting ring B are connected by a plurality of radial connecting rods (5); the supporting mechanisms (C) are arranged in the circumferential direction of the outer supporting ring B and are used for providing a radial supporting force from the inside to the outside for the sealing girth.
Description
technical field [0001] The invention relates to the field of internal support devices for welding the circular seam of storage tanks, in particular to a 5M-level storage tank sealing circular seam internal support device. Background technique [0002] The storage tank is the largest structural component in the launch vehicle body structure, and it is a pressure vessel used to store liquid hydrogen / liquid oxygen propellant. At the same time, the storage tank is the main load-bearing structure of the rocket and plays a role in supporting the thermal protection system (that is, the thermal insulation protection Layer) and provide installation foundation and space for other system equipment. Generally speaking, the storage tank is welded by the front bottom, the front short shell, the middle cylinder section, the rear bottom and the rear short shell. The welding sequence is the welding of the front short shell and the front bottom (the frame is removed after welding, called the...
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Login to View More IPC IPC(8): B23K37/053
CPCB23K37/053
Inventor 孟凡新李义鹏白景彬邱龙刘京威褚晓斌马康
Owner CHINA ACAD OF LAUNCH VEHICLE TECH