A 5m-level storage tank sealing ring seam internal support device
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: 2017-01-25
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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[0024] 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.
[0025] 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 barrel section includes: an inner support ring A, an outer support ring B and a plurality of support mechanisms C; a plurality of single-hinge quick release mechanisms 6 are arranged on the circumference of the in...
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The embodiment of the invention discloses a 5M class storage tank sealing circular seam inner supporting device. The device is used for supporting the circle of a tank sealing circular seam of a storage tank and suitable for inner supporting in the large-diameter storage tank sealing circular seam welding process, low in weight and convenient to detach. The 5M class storage tank sealing circular seam inner supporting device comprises an inner supporting ring A, an outer supporting ring B and multiple supporting mechanisms C. Multiple single-hinge quickly-detaching mechanisms (6) are arranged on the periphery of the inner supporting ring A, the outer supporting ring B is of an annular structure composed of multiple outer ring peripheral supporting plates (4), and every two adjacent outer ring peripheral supporting plates (4) are peripherally connected through a multi-hinge quickly-detaching mechanism (3). One radial end of each multi-hinge quickly-detaching mechanism (3) is connected with one single-hinge quickly-detaching mechanism (6) through a radial connecting rod (5), and the other radial end is connected with one supporting mechanism C. The supporting mechanisms C are used for providing radial supporting force from inside to outside for the tank sealing circular seam.
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...
Claims
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IPC IPC(8): B23K37/053
CPCB23K37/053
Inventor 王国庆孟凡新李义鹏白景彬邱龙刘京威褚晓斌王湃
Owner CHINA ACAD OF LAUNCH VEHICLE TECH