CN117102721A - Saddle-shaped tower crown manufacturing process - Google Patents
Saddle-shaped tower crown manufacturing process Download PDFInfo
- Publication number
- CN117102721A CN117102721A CN202311306471.0A CN202311306471A CN117102721A CN 117102721 A CN117102721 A CN 117102721A CN 202311306471 A CN202311306471 A CN 202311306471A CN 117102721 A CN117102721 A CN 117102721A
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- Prior art keywords
- plate
- rib plates
- welding
- assembling
- shaped
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- Pending
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 53
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 39
- 238000005520 cutting process Methods 0.000 claims description 18
- 230000035515 penetration Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a saddle-type tower crown manufacturing process, which is characterized by comprising the following steps of: the specific manufacturing process is as follows: s1: manufacturing and assembling the wallboard; s2: manufacturing and assembling a surface web; s3: manufacturing and assembling special-shaped rib plates; s4: manufacturing and assembling a partition plate unit; s5: the bottom longitudinal rib plate is arranged; s6: manufacturing and assembling a top panel; s7: assembling a tower crown; the tower crown sections adopt a modularized assembly mode, each part which completes blanking manufacture is sequentially hung on a jig frame, and the parts are assembled on the jig frame; then, assembling from the wall plate, and assembling the bottom panel, the web plate, the rib plates, the partition plate and the top panel; according to the assembly process, the manufacture of the half saddle type tower crown can be completed rapidly, the whole tower crown is divided into two sections for symmetrical manufacture, parts can be simultaneously formed and processed, and the processing efficiency and the assembly efficiency are improved.
Description
Technical Field
The invention relates to the technical field of bridge tower manufacturing processes, in particular to a saddle type tower crown manufacturing process.
Background
The middle and side main towers of the bridge are all of steel-concrete combined structures, and the tower columns are divided into three sections of an upper tower column, a middle tower column and a lower tower column, wherein the upper tower column adopts a steel structure, and the middle and lower tower columns adopt a concrete structure; dividing the steel column into segments again according to the requirement of hoisting erection capacity so as to determine on-site hoisting blocks; in addition, when the weight and the external dimension of the hoisting block exceed the crane capacity in a workshop, the transportation capacity of a girder transporting flat car and the like, the hoisting block needs to be subdivided. The overall principle is to enlarge the overall dimension of the block as much as possible and reduce the number of the block according to various limit indexes in the production and erection processes of the steel tower;
the tower crown is positioned at the top of the bridge steel tower structure, and the manufacturing and the installation of the tower crown also should follow the increase of the outline dimension of the blocks and the reduction of the number of the blocks.
Disclosure of Invention
The invention aims to solve the technical problem of providing a saddle-shaped tower crown manufacturing process which can solve the problems of multiple segments of a common bridge tower crown, complex processing and manufacturing process redundancy and low production efficiency.
In order to solve the technical problems, the technical scheme of the invention is as follows: the saddle-shaped tower crown manufacturing process has the innovation points that: the specific manufacturing process is as follows:
s1: manufacturing and assembling the wallboard: blanking the plate A which is convex and curved in an arc shape, and welding a rectangular plate B on the end part of the plate A to form a convex plate; blanking a concave plate C in an arc bending shape, vertically welding a rectangular plate D at the end part of the plate C, and welding a plate E which is vertical to the plate C and the plate D on the side surfaces of the plate C and the plate D to form a concave plate; finally, embedding the convex plate into the concave plate integrally and welding and fixing the convex plate to form a wallboard;
s2: manufacturing and assembling a surface web plate: cutting and blanking a bottom panel and a pair of webs, wherein the bottom panel is vertically arranged on the side surface of the wallboard, and the pair of webs comprise arc-shaped webs and rectangular webs; the rectangular web is vertically arranged at one end of the wallboard and is simultaneously vertical to the bottom panel, and the arc-shaped web is connected to one side surface of the rectangular web and is vertical to the bottom panel;
s3: manufacturing and assembling the special-shaped rib plates: cutting and blanking the first group of special-shaped transverse rib plates according to the design requirement, and vertically welding the first group of special-shaped transverse rib plates on the inner side of the wallboard and the inner side of the rectangular web plate; cutting and blanking the special-shaped longitudinal rib plates according to the design requirement, and buckling the special-shaped longitudinal rib plates on the wallboard and matching the special-shaped longitudinal rib plates with the first group of special-shaped transverse rib plates; then, the second group of special-shaped transverse rib plates and the special-shaped longitudinal rib plates are matched and are perpendicular to the web plate and the inner wall of the wallboard;
s4: manufacturing and assembling a partition plate unit: cutting, blanking and welding the partition plate according to the design requirement, then vertically arranging the side end and the surface of the partition plate at the position of the second group of special-shaped transverse rib plates, and vertically arranging the bottom end on the bottom panel;
s5: the bottom longitudinal rib plate is provided with: cutting and blanking the bottom longitudinal rib plates according to the design requirement, sequentially passing through the partition plate units, connecting the end parts of the bottom longitudinal rib plates to the longitudinal rib plates, and welding the bottom longitudinal rib plates perpendicular to the bottom panel;
s6: manufacturing and assembling a top panel: cutting and blanking the top panel according to the design requirement, and welding and fixing the top panel, the partition plate unit, the web plate and the wall plate; finally, the back surface of the top panel is welded with a top longitudinal rib plate to finish the manufacture of half saddle-shaped crown;
s7: and (3) assembling a tower crown: and (3) repeating the steps S1-S6 to finish the manufacture of the other half saddle-shaped crown, and finally, finishing the manufacture of the crown by symmetrical assembly welding.
Furthermore, the butt welding seam between the plate A and the plate B in the S1 is full penetration welding, and a root cleaning welding groove form is adopted; the fillet weld among the plates C, D and E is required to be a penetration weld, and the penetration depth is detected to be 16mm; and adopting a single-sided 40-DEG root-reserving 2mm groove form, and carrying out back electric welding sealing treatment.
The invention has the advantages that:
according to the invention, the tower crown section adopts a modularized assembly mode, and all the parts which finish blanking manufacture are sequentially hung on a jig frame, and are assembled on the jig frame; then, assembling from the wall plate, and assembling the bottom panel, the web plate, the rib plates, the partition plate and the top panel; according to the assembly process, the manufacture of the half saddle type tower crown can be completed rapidly, the whole tower crown is divided into two sections for symmetrical manufacture, parts can be simultaneously formed and processed, and the processing efficiency and the assembly efficiency are improved.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of a saddle-type crown of the present invention.
Fig. 2 to 8 are assembled state views of a saddle-type crown manufacturing process according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The manufacturing process of the saddle-shaped tower crown shown in fig. 1 to 8 comprises the following specific manufacturing processes:
s1: manufacturing and assembling the wallboard: blanking the plate A which is convex and curved in an arc shape, and welding a rectangular plate B on the end part of the plate A to form a convex plate; blanking a concave plate C in an arc bending shape, vertically welding a rectangular plate D at the end part of the plate C, and welding a plate E which is vertical to the plate C and the plate D on the side surfaces of the plate C and the plate D to form a concave plate; finally, embedding the convex plate into the concave plate integrally and welding and fixing the convex plate to form a wallboard;
s2: manufacturing and assembling a surface web plate: cutting and blanking a bottom panel and a pair of webs, wherein the bottom panel is vertically arranged on the side surface of the wallboard, and the pair of webs comprise arc-shaped webs and rectangular webs; the rectangular web is vertically arranged at one end of the wallboard and is simultaneously vertical to the bottom panel, and the arc-shaped web is connected to one side surface of the rectangular web and is vertical to the bottom panel;
s3: manufacturing and assembling the special-shaped rib plates: cutting and blanking the first group of special-shaped transverse rib plates according to the design requirement, and vertically welding the first group of special-shaped transverse rib plates on the inner side of the wallboard and the inner side of the rectangular web plate; cutting and blanking the special-shaped longitudinal rib plates according to the design requirement, and buckling the special-shaped longitudinal rib plates on the wallboard and matching the special-shaped longitudinal rib plates with the first group of special-shaped transverse rib plates; then, the second group of special-shaped transverse rib plates and the special-shaped longitudinal rib plates are matched and are perpendicular to the web plate and the inner wall of the wallboard;
s4: manufacturing and assembling a partition plate unit: cutting, blanking and welding the partition plate according to the design requirement, then vertically arranging the side end and the surface of the partition plate at the position of the second group of special-shaped transverse rib plates, and vertically arranging the bottom end on the bottom panel;
s5: the bottom longitudinal rib plate is provided with: cutting and blanking the bottom longitudinal rib plates according to the design requirement, sequentially passing through the partition plate units, connecting the end parts of the bottom longitudinal rib plates to the longitudinal rib plates, and welding the bottom longitudinal rib plates perpendicular to the bottom panel;
s6: manufacturing and assembling a top panel: cutting and blanking the top panel according to the design requirement, and welding and fixing the top panel, the partition plate unit, the web plate and the wall plate; finally, the back surface of the top panel is welded with a top longitudinal rib plate to finish the manufacture of half saddle-shaped crown;
s7: and (3) assembling a tower crown: and (3) repeating the steps S1-S6 to finish the manufacture of the other half saddle-shaped crown, and finally, finishing the manufacture of the crown by symmetrical assembly welding.
S1, performing full penetration welding on a butt welding seam between a plate A and a plate B, and adopting a root cleaning welding groove mode; the fillet weld among the plates C, D and E is required to be a penetration weld, and the penetration depth is detected to be 16mm; and adopting a single-sided 40-DEG root-reserving 2mm groove form, and carrying out back electric welding sealing treatment.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A saddle-type tower crown manufacturing process is characterized in that: the specific manufacturing process is as follows:
s1: manufacturing and assembling the wallboard: blanking the plate A which is convex and curved in an arc shape, and welding a rectangular plate B on the end part of the plate A to form a convex plate; blanking a concave plate C in an arc bending shape, vertically welding a rectangular plate D at the end part of the plate C, and welding a plate E which is vertical to the plate C and the plate D on the side surfaces of the plate C and the plate D to form a concave plate; finally, embedding the convex plate into the concave plate integrally and welding and fixing the convex plate to form a wallboard;
s2: manufacturing and assembling a surface web plate: cutting and blanking a bottom panel and a pair of webs, wherein the bottom panel is vertically arranged on the side surface of the wallboard, and the pair of webs comprise arc-shaped webs and rectangular webs; the rectangular web is vertically arranged at one end of the wallboard and is simultaneously vertical to the bottom panel, and the arc-shaped web is connected to one side surface of the rectangular web and is vertical to the bottom panel;
s3: manufacturing and assembling the special-shaped rib plates: cutting and blanking the first group of special-shaped transverse rib plates according to the design requirement, and vertically welding the first group of special-shaped transverse rib plates on the inner side of the wallboard and the inner side of the rectangular web plate; cutting and blanking the special-shaped longitudinal rib plates according to the design requirement, and buckling the special-shaped longitudinal rib plates on the wallboard and matching the special-shaped longitudinal rib plates with the first group of special-shaped transverse rib plates; then, the second group of special-shaped transverse rib plates and the special-shaped longitudinal rib plates are matched and are perpendicular to the web plate and the inner wall of the wallboard;
s4: manufacturing and assembling a partition plate unit: cutting, blanking and welding the partition plate according to the design requirement, then vertically arranging the side end and the surface of the partition plate at the position of the second group of special-shaped transverse rib plates, and vertically arranging the bottom end on the bottom panel;
s5: the bottom longitudinal rib plate is provided with: cutting and blanking the bottom longitudinal rib plates according to the design requirement, sequentially passing through the partition plate units, connecting the end parts of the bottom longitudinal rib plates to the longitudinal rib plates, and welding the bottom longitudinal rib plates perpendicular to the bottom panel;
s6: manufacturing and assembling a top panel: cutting and blanking the top panel according to the design requirement, and welding and fixing the top panel, the partition plate unit, the web plate and the wall plate; finally, the back surface of the top panel is welded with a top longitudinal rib plate to finish the manufacture of half saddle-shaped crown;
s7: and (3) assembling a tower crown: and (3) repeating the steps S1-S6 to finish the manufacture of the other half saddle-shaped crown, and finally, finishing the manufacture of the crown by symmetrical assembly welding.
2. The saddle-type crown making process according to claim 1, wherein: the butt welding seam between the plate A and the plate B in the S1 is full penetration welding, and a root-clearing welding groove form is adopted; the fillet weld among the plates C, D and E is required to be a penetration weld, and the penetration depth is detected to be 16mm; and adopting a single-sided 40-DEG root-reserving 2mm groove form, and carrying out back electric welding sealing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311306471.0A CN117102721A (en) | 2023-10-10 | 2023-10-10 | Saddle-shaped tower crown manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311306471.0A CN117102721A (en) | 2023-10-10 | 2023-10-10 | Saddle-shaped tower crown manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117102721A true CN117102721A (en) | 2023-11-24 |
Family
ID=88804137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311306471.0A Pending CN117102721A (en) | 2023-10-10 | 2023-10-10 | Saddle-shaped tower crown manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117102721A (en) |
-
2023
- 2023-10-10 CN CN202311306471.0A patent/CN117102721A/en active Pending
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