CN220330236U - Super high vertical frame structure - Google Patents
Super high vertical frame structure Download PDFInfo
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- CN220330236U CN220330236U CN202321568566.5U CN202321568566U CN220330236U CN 220330236 U CN220330236 U CN 220330236U CN 202321568566 U CN202321568566 U CN 202321568566U CN 220330236 U CN220330236 U CN 220330236U
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Abstract
The utility model belongs to the technical field of automated assembly and welding of large storage tanks of carrier rockets, and particularly relates to an ultrahigh vertical type frame structure. In the ultrahigh vertical frame structure, the upper surface of a foundation base is fixedly connected with a plurality of main upright posts, and connection points of the main upright posts and the foundation base are respectively positioned at four corners of a rectangle; two main upright posts positioned on the wide side of each side of the rectangle are fixedly connected through a plurality of square structural members, and two main upright posts positioned on the long side of one side of the rectangle are fixedly connected through a plurality of arc structural members; one surface of each main upright column facing the inner side of the C-shaped structure is vertically connected with a plurality of guide rail mounting plates and a plurality of rack mounting plates, each linear guide rail is fixedly connected to one guide rail mounting plate, and each driving rack is fixedly connected to one rack mounting plate; a driving rack is arranged between every two guide rails, a plurality of sliding blocks are arranged on each guide rail, and each guide rail and the driving rack are matched and used for lifting a box body to be welded, so that stable lifting of products in the vertical direction is realized.
Description
Technical Field
The utility model belongs to the technical field of automated assembly and welding of large storage tanks of carrier rockets, and particularly relates to an ultrahigh vertical frame structure.
Background
The superelevation of the present disclosure may be expressed as a height greater than 30 m. In the related art, the horizontal friction stir welding is suitable for welding of a tank product that is short (e.g., less than 20 m), but for a tank product that is large in diameter and long in overall length (e.g., greater than 20 m), the horizontal friction stir welding has the following drawbacks.
(1) The horizontal state of the axis of the cylindrical product, namely the horizontal state, the product with a larger diameter is horizontally subjected to the action of gravity, and when the length of the product is long, the middle section of the product is easily deformed under the action of gravity, so that the dimensional accuracy of the product is not easily ensured.
(2) The diameter size of the product is large, the size of the functional part of the horizontal equipment is large, the rigidity is poor, the deformation is large under the influence of gravity, and the size precision of the product is directly influenced. In the welding process of the horizontal friction stir welding, a welding executing mechanism is not moved, two parts to be welded need to synchronously rotate, the product size and the length are large, the difficulty of realizing the function of the equipment is large, and the accuracy of synchronous rotation is not easy to ensure.
In view of the foregoing, there is a need for suitable assembly and transport structures to address the assembly welding problems of large diameter and long length tank products.
Disclosure of Invention
In order to overcome the problems in the related art, an ultrahigh vertical frame structure is provided.
According to an aspect of the embodiments of the present disclosure, there is provided an ultra-high vertical type rack structure including: the device comprises a foundation seat, a plurality of main upright posts, a plurality of square structural members, a plurality of arc structural members, a plurality of linear guide rails and a plurality of driving racks;
the upper surface of the foundation seat is fixedly connected with a plurality of main upright posts, and the connection points of the main upright posts and the foundation seat are respectively positioned at four corners of the rectangle;
two main upright posts positioned on the wide side of each side of the rectangle are fixedly connected through a plurality of square structural members, and two main upright posts positioned on the long side of one side of the rectangle are fixedly connected through a plurality of arc structural members;
the plurality of main upright posts, the plurality of square structural members and the plurality of arc structural members are mutually matched to enable the horizontal cross section of the ultra-high vertical frame structure to be C-shaped;
one surface of each main upright column facing the inner side of the C-shaped structure is vertically connected with a plurality of guide rail mounting plates and a plurality of rack mounting plates, each linear guide rail is fixedly connected to one guide rail mounting plate, and each driving rack is fixedly connected to one rack mounting plate;
a driving rack is arranged between every two guide rails, a plurality of sliding blocks are arranged on each guide rail, the guide rails and the driving racks are matched and used for lifting a box body to be welded, and rated static moment of each sliding block is not smaller than 45.6 KN.m.
In one possible implementation manner, each main upright comprises a plurality of module structures fixedly connected from top to bottom, and each module structure comprises a plurality of support columns, a plurality of transverse pipes and a plurality of inclined support ribs;
in each module structure, every two support columns are fixedly connected through a plurality of horizontally arranged transverse pipes, and an inclined support rib is fixedly connected in a rectangular frame between each two transverse pipes and each support column to form a triangular support;
the horizontal cross section of each module structure is trapezoid, and the side face of the main upright column where the lower bottom of the trapezoid is located is fixedly connected with the arc-shaped structural member.
In one possible implementation manner, connecting plates are arranged at the top end and the bottom end of each supporting column in each module structure, a plurality of reinforcing rib plates are uniformly arranged at the joint of each connecting plate and the corresponding supporting column, and each module structure is fixedly connected with other module structures through the connecting plates;
in one possible implementation, the side of each support column in each module structure is provided with a connecting plate, and each module structure is fixedly connected with the square structural member or the arc structural member through the connecting plate.
In one possible implementation, the straightness of each linear guide is greater than 0.02mm/m.
In one possible implementation, the parallelism between each two linear guides is greater than 0.02mm/m.
In one possible implementation, the parallelism of the mounting surface of each linear guide rail and the positioning surface of the corresponding drive rack is greater than 0.02mm/m.
In one possible implementation, the parallelism between each linear guide rail and each drive rack locating surface is greater than 0.05mm/m.
In one possible implementation, the deformation amount at the maximum deformation of the ultra-high vertical type frame structure is not more than 1mm.
In one possible implementation, the axle center of the super high vertical frame structure is not offset by more than 1.5mm.
The beneficial effects of the present disclosure are: with the development of aerospace industry in China, higher requirements are put forward on the carrying capacity of a carrier rocket, so that the structure scale of the carrier rocket has a remarkable trend of gradual upsizing. In the vertical assembly welding mode, the axial direction of the product is in a vertical state, so that the phenomena of horizontal deformation and dislocation of a horizontal welding interface caused by the gravity of the product are avoided, and the welding method has obvious advantages in terms of product quality and process for welding a large storage box body. The ultrahigh vertical frame structure is a very key structure for solving vertical welding, realizes stable lifting of products in the vertical direction, and can be widely applied to a subsequent rocket tank friction stir welding system.
Drawings
Fig. 1 is a schematic view of a vertical-type rack structure according to an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating an application environment for a vertical type rack structure according to an exemplary embodiment.
Fig. 3 is a schematic view of a main column of a vertical-type rack structure according to an exemplary embodiment.
Fig. 4 is a schematic view showing a modular structure of a main column according to an exemplary embodiment.
In the figure:
1-a vertical frame structure; 2-a base; 10-a main upright post; 14-square structural member;
15-arc structural members; 16-a linear guide rail; 17-driving racks; 18-a first layer module structure;
19-a second layer module structure; 20-a third layer module structure; 21-a fourth layer module structure;
23-connecting plates; 29-support columns; 30-a transverse tube; 34-inclined support ribs;
36-a guide rail mounting plate; 37-a rack mounting plate; 38-reinforcing rib plate.
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings and specific examples.
The ultra-high vertical frame structure of the present disclosure may be used in friction stir welding systems for common-bottom tank body girth. The lifting system is arranged on the inner side of the ultrahigh vertical frame structure, the friction stir welding system for the circumferential seam of the tank body of the common-bottom storage tank adopts a vertical assembly welding mode, the tank body is fixed in the welding process, the welding actuating mechanism rotates around the tank body to finish the welding of the circumferential seam, the tank body of the welding completion part is lifted vertically upwards through the lifting system, the feeding device sends the tank body to be assembled and welded on the next section to the lower outer enclasping assembly for enclasping fixation, the upper outer enclasping assembly and the lifting system synchronously drive the tank body of the part and the tank body of the lower enclasping assembly for butt joint, the welding of the next welding seam is implemented, and the welding of a plurality of annular welding seams of the storage tank product is finished according to the cycle. From this process, it can be seen that the welding of the ultra-long storage tank product is completed, and the lifting system is required to continuously drive the welding completion part of the tank body to climb along the vertical direction until the height from the ground is greater than 60 m. The lifting system is driven by a gear rack and runs along the linear guide rail, and the maximum storage box product reaches 37m, so that an ultrahigh vertical type frame provided with the precise linear guide rail and the rack is needed.
Fig. 1 is a schematic view of a vertical type frame structure according to an exemplary embodiment, and fig. 2 is a schematic view of an application environment of a vertical type frame structure according to an exemplary embodiment, as shown in fig. 1 and 2, the horizontal cross section of the ultra-high vertical type frame structure 1 of the present disclosure is a C-type structure, so that a lifting system and a product can smoothly complete lifting and in-out type frame movement. The super high vertical frame comprises 4 main uprights 10, the bottom of each main upright 10 is fixedly connected with a foundation base 2 through bolts and pins, the 4 main supporting uprights are similar in structure, the connecting points of the main uprights 10 and the foundation base 2 are respectively located at four corners of a rectangle, two main uprights 10 located on the broadside of each side of the rectangle are fixedly connected through a plurality of square structural members 14, and two main uprights 10 located on the long side of one side of the rectangle are fixedly connected through a plurality of arc structural members 15. The square structural member 14, the arc structural member 15 and the main upright post 10 are connected by bolts, and the square structural member 14 and the arc structural member 15 are mainly formed by welding square steel pipe profiles.
Each main column 10 is provided with 2 linear guides 16 and 1 driving rack 17 (the driving rack 17 may be, for example, a high-precision driving rack 17) in the entire height range, and each linear guide 16 and driving rack 17 are respectively mounted on a linear guide 16 mounting plate and a rack mounting plate inside the main column 10 by screws. The linear guide 16 may be, for example, a heavy-duty roller linear guide 16, and the model is GZB85AAL, wherein the rated static moment of each sliding block is not less than 45.6kn·m, and 3 sliding blocks are arranged on each guide. The drive rack 17 may have a modulus of 16 and is screwed to the rack mounting plate.
After the linear guide rail 16 and the rack are well adjusted and the lifting system runs smoothly, the main upright post 10 and the foundation seat 2 are fastened by bolts, the internally threaded cylindrical pin is installed, and the main upright post 10, the square structural member 14 and the arc structural member 15 are fastened by bolts, and the cylindrical pin is installed. A cylindrical pin is arranged between the main upright post 10 and the driving rack 17.
Fig. 3 is a schematic view of a main column of a vertical-type frame structure according to an exemplary embodiment, and as shown in fig. 3, the main column may be divided into four layers (a first layer module structure 18, a second layer module structure 19, a third layer module structure 20, and a fourth layer module structure 21) in an axial direction, each layer being a steel profile welding structure, the four layers being similar, and the four layers being connected by bolts. After the welding of each layer of module structural part of the main upright post is finished, ageing treatment is carried out for at least two times, so that the precision of subsequent processing is ensured, and the long-term use is ensured to be stable and reliable. After each module structure layer is connected by bolts, the module structure layers are positioned by cylindrical pins, and then the linear guide rail mounting plate 36 and the rack mounting plate 37 are processed within the whole height range, so that corresponding dimensional tolerance and form and position tolerance are ensured.
Fig. 4 is a schematic view of a module structure of a main upright, as shown in fig. 4, where each main upright includes a plurality of module structures fixedly connected from top to bottom, each module structure includes a plurality of support columns 29, a plurality of transverse tubes 30, and a plurality of diagonal brace bars 34, in each module structure, each support column 29 is fixedly connected through a plurality of horizontally arranged transverse tubes 30, one diagonal brace bar 34 is fixedly connected in a rectangular frame between each transverse tube 30 and the support column 29 to form a triangular support, a horizontal cross section of each module structure is trapezoidal, and a side surface of the main upright where a lower bottom of the trapezoid is located is fixedly connected with an arc-shaped structural member.
The top and bottom ends of each support column 29 in each module structure are provided with connecting plates 23, the connecting parts of each connecting plate 23 and the corresponding support column 29 are uniformly provided with a plurality of reinforcing rib plates 38, and each module structure is fixedly connected with other module structures through the connecting plates 23; the side of each support column 29 in each module structure is provided with a connecting plate 23, and each module structure is fixedly connected with a square structural member or an arc structural member through the connecting plate 23. The section bar of the main upright post can be, for example, 400X400X10 square steel pipes, and each transverse pipe 30 and each inclined support rib 34 are square steel pipes, so that the strength and the rigidity of the whole welding structure are ensured.
In one example of application, the overall height of the ultra-high vertical frame structure may be 45600mm, the full travel straightness after installation of the linear guide rail (length about 45 m) is 0.2mm, and the levelness is 0.2mm. The length straightness of the guide rail is 0.02mm/m, the parallelism between each group of two guide rails is 0.02mm/m, and the parallelism between the guide rail mounting plate and the rack positioning surface is 0.02mm/m. The parallelism between the 8 guide rails and the positioning surface of the rack ensures 0.05mm/m.
The design of the ultra-high vertical type frame structure ensures that the deformation of the maximum deformation part of the frame structure is not more than 1mm and the axial deviation of the frame is not more than 1.5mm in the running process of the lifting ring on the frame.
The foregoing description of the embodiments of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The utility model provides an superelevation vertical frame structure which characterized in that, superelevation vertical frame structure includes: the device comprises a foundation seat, a plurality of main upright posts, a plurality of square structural members, a plurality of arc structural members, a plurality of linear guide rails and a plurality of driving racks;
the upper surface of the foundation seat is fixedly connected with a plurality of main upright posts, the connection points of the main upright posts and the foundation seat are respectively positioned at four corners of the rectangle, two main upright posts positioned on the wide side of each side of the rectangle are fixedly connected through a plurality of square structural members, and two main upright posts positioned on the long side of one side of the rectangle are fixedly connected through a plurality of arc structural members;
the plurality of main upright posts, the plurality of square structural members and the plurality of arc structural members are mutually matched to enable the horizontal cross section of the ultra-high vertical frame structure to be C-shaped;
one surface of each main upright column facing the inner side of the C-shaped structure is vertically connected with a plurality of guide rail mounting plates and a plurality of rack mounting plates, each linear guide rail is fixedly connected to one guide rail mounting plate, and each driving rack is fixedly connected to one rack mounting plate;
a driving rack is arranged between every two guide rails, a plurality of sliding blocks are arranged on each guide rail, the guide rails and the driving racks are matched and used for lifting a box body to be welded, and rated static moment of each sliding block is not smaller than 45.6 KN.m.
2. The ultra-high vertical frame structure according to claim 1, wherein each main upright comprises a plurality of module structures fixedly connected from top to bottom, each module structure comprising a plurality of support columns, a plurality of transverse pipes and a plurality of diagonal bracing ribs;
in each module structure, every two support columns are fixedly connected through a plurality of horizontally arranged transverse pipes, and an inclined support rib is fixedly connected in a rectangular frame between each two transverse pipes and each support column to form a triangular support;
the horizontal cross section of each module structure is trapezoid, and the side face of the main upright column where the lower bottom of the trapezoid is located is fixedly connected with the arc-shaped structural member.
3. The ultra-high vertical type frame structure according to claim 2, wherein connecting plates are arranged at the top end and the bottom end of each supporting column in each module structure, a plurality of reinforcing rib plates are uniformly arranged at the connection part of each connecting plate and the corresponding supporting column, and each module structure is fixedly connected with other module structures through the connecting plates.
4. The ultra-high vertical type frame structure according to claim 2, wherein a connecting plate is arranged on the side face of each supporting column in each module structure, and each module structure is fixedly connected with the square structural member or the arc structural member through the connecting plate.
5. The ultra-high vertical frame structure of claim 1, wherein the straightness of each linear guide rail is greater than 0.02mm/m.
6. The ultra-high vertical type rack structure according to claim 1, wherein the parallelism between each two linear guide rails is greater than 0.02mm/m.
7. The ultra-high vertical type rack structure according to claim 1, wherein the parallelism of the mounting surface of each linear guide rail and the positioning surface of the corresponding driving rack is greater than 0.02mm/m.
8. The ultra-high vertical rack structure of claim 1, wherein the parallelism between each linear rail and each drive rack locating surface is greater than 0.05mm/m.
9. The ultra-high vertical type shelf structure according to claim 1, wherein the maximum deformation of the ultra-high vertical type shelf structure is not more than 1mm.
10. The ultra-high vertical frame structure of claim 1, wherein the axis of the ultra-high vertical frame structure is offset by no more than 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321568566.5U CN220330236U (en) | 2023-06-19 | 2023-06-19 | Super high vertical frame structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321568566.5U CN220330236U (en) | 2023-06-19 | 2023-06-19 | Super high vertical frame structure |
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| Publication Number | Publication Date |
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| CN220330236U true CN220330236U (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321568566.5U Active CN220330236U (en) | 2023-06-19 | 2023-06-19 | Super high vertical frame structure |
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| Country | Link |
|---|---|
| CN (1) | CN220330236U (en) |
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- 2023-06-19 CN CN202321568566.5U patent/CN220330236U/en active Active
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