CN219336576U - Vertical type assembly welding tool for rocket storage tank - Google Patents
Vertical type assembly welding tool for rocket storage tank Download PDFInfo
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- CN219336576U CN219336576U CN202223600357.2U CN202223600357U CN219336576U CN 219336576 U CN219336576 U CN 219336576U CN 202223600357 U CN202223600357 U CN 202223600357U CN 219336576 U CN219336576 U CN 219336576U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to the technical field of rocket storage tank design and manufacture, in particular to a rocket storage tank vertical type assembly welding tool which comprises a welding tool and an inner supporting tool, wherein the welding tool is arranged on the periphery of a cylinder body; the welding fixture can do rectilinear motion along the axial direction of the cylinder body so as to weld the longitudinal seam of the cylinder body, and the welding fixture can rotate along the circumferential direction of the cylinder body so as to weld the circumferential seam of the cylinder body. Compared with the traditional horizontal type assembly welding, the assembly welding tool for the rocket tank friction stir welding reduces the manufacturing difficulty, can better maintain the roundness, reduces the deformation after welding by adopting friction stir welding compared with the traditional fusion welding, and has higher efficiency.
Description
Technical Field
The utility model relates to the technical field of rocket storage tank design and manufacture, in particular to a vertical type rocket storage tank welding tool.
Background
The weight of the rocket storage tank accounts for most of the total weight of the rocket structure, so the weight reduction of the rocket storage tank has great significance for improving the carrying capacity of the rocket, and the rocket storage tank needs to be made as small as possible under the condition of meeting the requirement of the service performance of the rocket storage tank. In the process of assembling and welding the thin-wall container, the diameter of the rocket storage tank is large, the wall is thin, the cylinder is difficult to form, the roundness of the cylinder is difficult to ensure, the rigidity after forming is poor, the material dead weight can cause larger deformation, the deviation exists between the actual roundness and the theoretical roundness, the larger dislocation exists during welding, the welding process is influenced, and the bearing capacity of the welding seam is further reduced.
In the general welding mode, the welding method mainly comprises two welding modes of horizontal welding and vertical welding. The horizontal type welding device is large in difficulty, auxiliary supports needed in horizontal type manufacturing are large, the conventional welding device is mainly a conventional welding fixture, the conventional welding fixture does not have an adjusting function, and in some cases, the conventional welding fixture is poor in clamping effect, so that the manufacturing difficulty is increased intangibly, and the manufacturing cost is increased.
And in the welding method, more traditional fusion welding is generally adopted. The bottom and the barrel section of the rocket tank welded by the traditional fusion welding method are large in deformation after welding, and the workload of workers is large, and many welding seams are needed to be welded, so that the manufacturing quality after welding cannot be ensured.
Disclosure of Invention
Aiming at the problems of large stress, easy deformation, inconvenient operation, severe working environment, difficult control of weld quality, low welding efficiency and the like in the existing rocket tank welding process, the utility model provides the rocket tank vertical type welding tool which can realize the friction stir welding of the longitudinal circular seam of the rocket tank, combines the friction stir welding with the vertical type welding, improves the efficiency, reduces the welding deformation and saves the cost.
The utility model provides a rocket storage tank vertical type assembly welding tool which comprises a welding tool and an internal supporting tool, wherein the welding tool is arranged on the periphery of a cylinder body; the welding fixture can do rectilinear motion along the axial direction of the cylinder body so as to weld the longitudinal seam of the cylinder body, and the welding fixture can rotate along the circumferential direction of the cylinder body so as to weld the circumferential seam of the cylinder body.
Preferably, the support assembly comprises an intermediate shaft and a radial support rod, wherein the intermediate shaft is arranged in the cylinder and extends along the axis of the cylinder, the radial support rod is arranged around the intermediate shaft, one end of the radial support rod is fixed on the intermediate shaft, and the other end of the radial support rod is fixed on the inner side of the support ring.
Preferably, the radial support rod piece comprises a telescopic main shaft and a sliding block, one end of the telescopic main shaft is arranged on the middle shaft, the other end of the telescopic main shaft is provided with the sliding block, and the outer side of the sliding block is fixed on the inner side of the support ring.
Preferably, the radial support rod piece further comprises a limiting rod, the limiting rod is located on two sides of the telescopic main shaft, one end of the limiting rod is fixed to the intermediate shaft, and the other end of the limiting rod is arranged on the inner side of the support ring and close to the sliding block.
Preferably, the support ring is provided with a hole pin, and the sliding block is fixed on the inner side of the support ring and positioned through the hole pin.
Preferably, the outside of the cylinder is provided with a longitudinal guide rail and a longitudinal driving piece, the longitudinal guide rail extends along the axial direction of the cylinder, and the longitudinal driving piece can drive the welding tool to do linear motion along the axial direction of the cylinder so as to weld the longitudinal seam of the cylinder.
Preferably, the outside of barrel is provided with annular guide rail and annular driving piece, and annular guide rail circumference sets up in the outside of barrel, and welder installs in annular guide rail, and annular driving piece can drive welding frock along annular guide rail around the circumferential direction rotation of barrel in order to weld the girth of barrel.
Preferably, the circumferential guide rail is slidably disposed on the longitudinal guide rail.
Preferably, the welding fixture comprises a stirring head and a shape-preserving structure, the shape-preserving structure is arranged on the annular guide rail, the inner side wall of the shape-preserving structure is in butt joint with the outer side wall of the cylinder, and the surface curvature of the inner side wall of the shape-preserving structure is identical with the surface curvature of the outer side wall of the cylinder.
Preferably, the surface of the inner side wall of the conformal structure is provided with a flexible material.
The beneficial effects of the utility model are as follows:
1. compared with the traditional horizontal type assembly welding, the assembly welding tool for the rocket tank friction stir welding reduces the manufacturing difficulty, can better maintain the roundness, reduces the deformation after welding by adopting friction stir welding compared with the traditional fusion welding, and has higher efficiency.
2. The utility model realizes high-quality high-efficiency intelligent green welding of longitudinal girth integration through friction stir welding.
3. The supporting tool has high structural strength and rigidity, can be adjusted according to the diameter of the storage tank by adopting pneumatic control, has high adjustment precision, is connected with an internal supporting structure by a shaft, can be freely adjusted by a supporting device, and has strong applicability, and the locking device can be suitable for different barrel section lengths; the vertical type welding structure is more suitable for welding thin-wall materials than the horizontal type welding structure, and space can be saved.
4. The device provided by the utility model is simple and compact in arrangement, easy to operate and capable of being popularized in a large area.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a rocket tank vertical type welding tool.
Fig. 2 is a top view of a welding tool in the rocket tank vertical type welding tool according to the utility model.
Fig. 3 is a top view of an internal support tool in the rocket tank vertical type welding tool according to the utility model.
In the figure: 1. barrel, 2, welding frock, 3, longitudinal rail, 4, ring direction guide rail, 5, circumferential seam, 6, stirring head, 7, conformal structure, 8, longitudinal seam, 9, flexible main shaft, 10, jackshaft, 11, gag lever post, 12, inside support frock, 13, slider, 14, support ring.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
As shown in fig. 1 to 3, in the present embodiment, the present utility model provides a rocket tank vertical type welding tool, which includes a welding tool 2 and an inner supporting tool 12, wherein the welding tool 2 is disposed at the periphery of a cylinder 1, the inner supporting tool 12 is disposed at the inner side of the cylinder 1, the inner supporting tool 12 includes a supporting component and a supporting ring 14, the supporting component is disposed inside the cylinder 1, the inner side of the supporting ring 14 is fixed with the supporting component, and the outer side of the supporting ring 14 abuts against the inner side wall of the cylinder 1; the welding fixture 2 can make a linear motion along the axial direction of the cylinder 1 to weld the longitudinal seam 8 of the cylinder 1, and the welding fixture 2 can rotate along the circumferential direction of the cylinder 1 to weld the circumferential seam 5 of the cylinder 1.
Specifically, as shown in fig. 3, the support assembly includes an intermediate shaft 10 and a radial support rod, the intermediate shaft 10 is disposed inside the cylinder 1 and extends along the axis of the cylinder 1, the radial support rod is disposed around the intermediate shaft 10, and one end of the radial support rod is fixed to the intermediate shaft 10, and the other end is fixed to the inner side of the support ring 14. The radial support rod piece comprises a telescopic main shaft 9 and a sliding block 13, one end of the telescopic main shaft 9 is arranged on the intermediate shaft 10, the other end of the telescopic main shaft is provided with the sliding block 13, the outer side of the sliding block 13 is fixed on the inner side of the support ring 14, and the telescopic main shaft 9 has a self-locking function to realize radial adjustment and support inside the cylinder body 1. The radial support rod piece further comprises a limiting rod 11, the limiting rod 11 is located on two sides of the telescopic main shaft 9, one end of the limiting rod 11 is fixed to the intermediate shaft 10, the other end of the limiting rod 11 is arranged on the inner side of the support ring 14 and close to the sliding block 13, the limiting rod 12 can ensure that the sliding block 13 keeps consistent in the radial direction, and the fact that the force directions of output forces are inconsistent to cause the fact that the force components of the inner support are different is avoided. The supporting circular ring 14 is provided with a hole pin, the sliding block 13 is fixed on the inner side of the supporting circular ring 14 and positioned through the hole pin, and the sliding block 13 is detachable and convenient to clean and replace; the intermediate shaft 10 is provided with a plurality of limiting devices, so that different supports are arranged at the required positions, and the requirements of different barrel section lengths can be met.
As shown in fig. 1, a longitudinal guide rail 3 and a longitudinal driving member are arranged on the outer side of the cylinder 1, the longitudinal guide rail 3 extends along the axial direction of the cylinder 1, and the longitudinal driving member can drive the welding tool 2 to perform linear motion along the axial direction of the cylinder 1 so as to weld a longitudinal seam 8 of the cylinder 1. The outside of barrel 1 is provided with annular guide rail 4 and annular driving piece, and annular guide rail 4 circumference sets up in the outside of barrel 1, and welding frock 2 sets up in annular guide rail 4, and annular driving piece can drive welding frock 2 along annular guide rail 4 around the circumferential direction rotation of barrel 1 in order to weld the girth 5 of barrel 1. The annular guide rail 4 is slidably arranged to the longitudinal guide rail 3. And in the welding of the circumferential weld 4, a pressing tool can be used, the pressing is realized on the vertical welding platform by using a bolt, and the friction stir welding tool 2 rotates under the driving of a motor, so that the welding of the circumferential weld 4 is realized.
As shown in fig. 2, the welding fixture 2 includes a stirring head 6 and a shape-preserving structure 7, the shape-preserving structure 7 is disposed on the annular guide rail 4, the inner side wall of the shape-preserving structure 7 is abutted with the outer side wall of the cylinder 1, and the surface curvature of the inner side wall of the shape-preserving structure 7 is the same as the surface curvature of the outer side wall of the cylinder 1. Wherein the stirring head 6 is a rotary main shaft, and a keyhole is left at the terminal end due to the friction stir welding. Typically, the keyhole may be cut away or sealed by other welding methods. Aiming at the key hole problem, the main shaft of the stirring head is designed to be a back-drawing stirring head, and a welding key hole is not left after welding; the surface of the inner side wall of the conformal structure 7 is provided with a flexible material, so that the damage to the outer side wall of the cylinder 1 can be avoided, and the good surface roughness of the material can be maintained; the shape-retaining structure 7 is a hydraulic telescopic integrated supporting structure, the surface curvature of the structure is the same as that of the cylinder body 1 to be supported, and a pressure sensor is arranged in the structure, so that the requirement of friction stir welding force can be met.
The working principle of the vertical type rocket storage tank welding tool is as follows:
the vertical type assembly welding tool realizes friction stir welding of the longitudinal circular seam, the barrel section can be hoisted by a crane and placed in a vertical type assembly welding platform, in the whole assembly welding process of the storage tank, the integrity of the barrel section is kept, the high precision of the size is kept for reducing the stress, the deformation is prevented, the welding of the longitudinal seam 8 can be firstly carried out, and finally the welding of the circular seam 5 is completed.
The inner side of the cylinder body is provided with a pneumatic integrated rigid inner support tool 12, a precise structure is used for ensuring that the inner support tool 12 is tightly adhered to the inner wall of the bottom of a box or a cylinder section and realizing rigid compression, the inner support tool 12 is a pneumatic and dynamic compression device, the compression force is adjustable, and the dynamic adjustment can be realized according to the pressure required in the welding process. In the barrel section, the internal support tool 12 can assist in maintaining the overall shape of the barrel section, and the outside of the barrel section is subjected to pressure by the vertical type assembly welding tool to maintain the roundness of the barrel section, so that welding is completed.
The vertical type welding tool takes the friction stir welding process as the leading part, combines key technologies such as a friction stir welding supporting tool, an internal dynamic supporting tool, a box bottom compacting tool and the like, ensures to meet the high-quality, high-efficiency and low-cost intelligent manufacturing requirements, and realizes the green intelligent manufacturing of the rocket storage tank.
The beneficial effects of the utility model are as follows from the above embodiments:
1. compared with the traditional horizontal type assembly welding, the assembly welding tool for the rocket tank friction stir welding reduces the manufacturing difficulty, can better maintain the roundness, reduces the deformation after welding by adopting friction stir welding compared with the traditional fusion welding, and has higher efficiency.
2. The utility model realizes high-quality high-efficiency intelligent green welding of longitudinal girth integration through friction stir welding.
3. The supporting tool has high structural strength and rigidity, can be adjusted according to the diameter of the storage tank by adopting pneumatic control, has high adjustment precision, is connected with an internal supporting structure by a shaft, can be freely adjusted by a supporting device, and has strong applicability, and the locking device can be suitable for different barrel section lengths; the vertical type welding structure is more suitable for welding thin-wall materials than the horizontal type welding structure, and space can be saved.
4. The device provided by the utility model is simple and compact in arrangement, easy to operate and capable of being popularized in a large area.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The vertical type rocket storage tank assembly welding tool comprises a welding tool and an internal supporting tool, wherein the welding tool is arranged on the periphery of a cylinder body, and the internal supporting tool is arranged on the inner side of the cylinder body; the welding fixture can do rectilinear motion along the axial direction of the cylinder body so as to weld the longitudinal seam of the cylinder body, and the welding fixture can rotate along the circumferential direction of the cylinder body so as to weld the circumferential seam of the cylinder body.
2. A rocket tank vertical welding tool according to claim 1 wherein the support assembly comprises an intermediate shaft and a radial support rod, the intermediate shaft is disposed inside the barrel and extends along the axis of the barrel, the radial support rod is disposed around the intermediate shaft, one end of the radial support rod is fixed to the intermediate shaft, and the other end is fixed to the inner side of the support ring.
3. The rocket storage tank vertical type welding tool according to claim 2, wherein the radial support rod piece comprises a telescopic main shaft and a sliding block, one end of the telescopic main shaft is arranged on the intermediate shaft, the other end of the telescopic main shaft is provided with the sliding block, and the outer side of the sliding block is fixed on the inner side of the support circular ring.
4. A rocket tank vertical welding tool according to claim 3 wherein the radial support bars further comprise limit bars, wherein the limit bars are located on two sides of the telescopic main shaft, one end of each limit bar is fixed to the intermediate shaft, and the other end of each limit bar is arranged on the inner side of the support ring and close to the sliding block.
5. A rocket tank vertical welding fixture according to claim 3 wherein the support ring is provided with a hole pin, and the slider is fixed to the inner side of the support ring and positioned by the hole pin.
6. The rocket tank vertical welding tool according to claim 1, wherein a longitudinal guide rail and a longitudinal driving member are arranged on the outer side of the cylinder body, the longitudinal guide rail extends along the axial direction of the cylinder body, and the longitudinal driving member can drive the welding tool to move linearly along the axial direction of the cylinder body so as to weld the longitudinal seam of the cylinder body.
7. The rocket tank vertical type welding tool according to claim 6, wherein a circumferential guide rail and a circumferential driving piece are arranged on the outer side of the cylinder body, the circumferential guide rail is circumferentially arranged on the outer side of the cylinder body, the welding tool is arranged on the circumferential guide rail, and the circumferential driving piece can drive the welding tool to rotate around the circumferential direction of the cylinder body along the circumferential guide rail so as to weld a circumferential seam of the cylinder body.
8. A rocket tank vertical welding fixture according to claim 7 wherein the circumferential guide rail is slidably disposed on the longitudinal guide rail.
9. The rocket tank vertical welding tool according to claim 7, wherein the welding tool comprises a stirring head and a shape-preserving structure, the shape-preserving structure is arranged on the annular guide rail, the inner side wall of the shape-preserving structure is abutted with the outer side wall of the barrel, and the surface curvature of the inner side wall of the shape-preserving structure is the same as the surface curvature of the outer side wall of the barrel.
10. A rocket tank vertical welding fixture according to claim 9 wherein the surface of the inner sidewall of the conformal structure is provided with a flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223600357.2U CN219336576U (en) | 2022-12-30 | 2022-12-30 | Vertical type assembly welding tool for rocket storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223600357.2U CN219336576U (en) | 2022-12-30 | 2022-12-30 | Vertical type assembly welding tool for rocket storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219336576U true CN219336576U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223600357.2U Active CN219336576U (en) | 2022-12-30 | 2022-12-30 | Vertical type assembly welding tool for rocket storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219336576U (en) |
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2022
- 2022-12-30 CN CN202223600357.2U patent/CN219336576U/en active Active
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