CN114406401A - Method for manufacturing anchor pipe hole of cable-stayed bridge anchoring structure - Google Patents
Method for manufacturing anchor pipe hole of cable-stayed bridge anchoring structure Download PDFInfo
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- CN114406401A CN114406401A CN202210038869.XA CN202210038869A CN114406401A CN 114406401 A CN114406401 A CN 114406401A CN 202210038869 A CN202210038869 A CN 202210038869A CN 114406401 A CN114406401 A CN 114406401A
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- pipe hole
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- stayed bridge
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000004873 anchoring Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 82
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 3
- 238000005498 polishing Methods 0.000 abstract description 4
- 230000009897 systematic effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- 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
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
-
- 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
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The method for manufacturing the anchor pipe hole of the cable-stayed bridge anchoring structure comprises the following steps: three-dimensional modeling lofting, calculating common ellipse and blanking, preparing a profile modeling cutting device, and numerically controlling and cutting the intersecting tangent angle of the anchor pipe hole. The method solves the problem that the manufacturing precision of the anchor pipe hole of the cable-stayed bridge anchoring structure is difficult to ensure; the cutting precision is high, and the quality is good; the operation is simple and convenient; the polishing and repairing amount is reduced, and the cost is saved; economical and practical, systematic strong, suitable for popularization and use.
Description
Technical Field
The invention belongs to the technical field of cable-stayed bridges for fixed buildings, and particularly relates to a manufacturing method of an anchor pipe hole of an anchoring structure of a cable-stayed bridge.
Background
The installation of an anchor pipe in an anchoring structure of a cable-stayed bridge is always a difficult point of cable-stayed bridge construction, and the installation precision of the anchor pipe directly influences the arrangement stress state of a stay cable and the smooth installation of a shock absorber between the anchor pipe and the stay cable. The manufacturing precision of the anchor pipe hole is one of the key links for ensuring the installation precision of the anchor pipe. In the past, the lofting of the position of an anchor pipe hole is mostly calculated manually, and the plane position is difficult to ensure; the processing has no special equipment, only manual flame cutting can be adopted, manual polishing is uniform and smooth after the flame cutting, the polishing workload is large, and the precision is difficult to ensure; in addition, the inclination angle of the anchor pipe at the lower end of the cable tower is larger, the machining is more difficult, and even if the machining is adopted, the efficiency is low and the cost is high. In view of this, the following improvement is proposed.
Disclosure of Invention
The technical problems solved by the invention are as follows: the method for manufacturing the anchor pipe hole of the cable-stayed bridge anchoring structure solves the technical problem of how to accurately manufacture the anchor pipe hole of the cable-stayed bridge anchoring structure.
The technical scheme adopted by the invention is as follows: the manufacturing method of the anchor pipe hole of the cable-stayed bridge anchoring structure comprises the following steps:
s001, three-dimensional modeling and lofting: modeling and lofting the whole cable-stayed bridge through three-dimensional software;
s002, calculating a public ellipse and blanking: calculating the common ellipse of the anchor pipe hole, and numerically controlling to cut the common ellipse when the steel plate is blanked;
s003, preparing a copying cutting device: the position of the copying cutting equipment is accurately positioned by utilizing the public ellipse, and the angle of the cutting tip is adjusted;
s004, numerically controlling cutting of the intersecting cutting angle of the anchor pipe hole: and (4) importing the programming data into a profile modeling cutting device, and numerically controlling and cutting the intersecting tangent angle of the anchor pipe hole by the profile modeling cutting device to ensure the manufacturing quality of the anchor pipe hole.
In the above technical solution, further: in step S001, the three-dimensional software is AutoCAD.
In the above technical solution, further: and S001, during modeling and lofting, according to the influence of the pre-camber of the steel beam and the sag of the stay cable on the anchoring structure of the cable-stayed bridge, ensuring the accuracy of the plane position of the anchoring pipe hole of the anchoring structure of the cable-stayed bridge.
9. In the above technical solution, further: in the step S002, the calculated common ellipse of the anchor pipe hole has a major axis and b minor axis; the difference between the major axis a and the design value of the common ellipse (6) is the intersecting angle delta in fig. 3; the minor axis b differs from the design value of the common ellipse (6) by "0" (coinciding with each other).
10. In the above technical solution, further: in step S003, the starting position of the cutting tip of the copying cutting apparatus coincides with the positioning reference of the common ellipse.
In the above technical solution, further: in step S003, the angle of the cutting tip is consistent with the angle of inclination of the anchor tube hole.
In the above technical solution, further: the profiling cutting equipment is a flame cutting machine.
In the above technical solution, further: the profiling cutting equipment consists of a guide rail, a controller, a cross beam and a cutting tip; the guide rail is provided with a sliding chute, and the controller linearly reciprocates along the sliding chute; the controller imports programming data, converts the programming data into instructions and controls the cutting tip to cut according to the instructions through the instructions; the cutting nozzle head linearly reciprocates along the cross beam; the beam is perpendicular to the guide rail space.
Compared with the prior art, the invention has the advantages that:
1. the invention lofts the whole cable-stayed bridge through three-dimensional software, and the influence of the pre-camber of the steel beam and the sag of the stay cable needs to be considered during lofting, so that the plane position of the hole of the anchor pipe is ensured.
2. The common ellipse position of the anchor pipe hole is cut out together when the part is subjected to numerical control blanking; and the intersecting cutting angle is cut out in a numerical control mode through programming of a profile modeling cutting device, so that the flame cutting quality of the hole of the anchor pipe is guaranteed.
3. The invention has high systematicness and practicability and simple operation, and can ensure the manufacturing precision; the problem that the manufacturing precision of the anchor pipe hole is difficult to guarantee is solved, and the anchor pipe hole manufacturing method is suitable for popularization and wide use.
Drawings
FIG. 1 is a lofting view of the integral modeling of a cable-stayed bridge according to the present invention;
FIG. 2 is a schematic view of common elliptical blanking of anchor pipe holes in accordance with the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of a profile cutting apparatus;
FIG. 5 is a flow chart of a method of making the present invention;
in the figure: 1-profile cutting equipment, 2-guide rail, 3-controller, 3, 4-beam, 5-cutting tip, 6-common ellipse.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 5 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
(as shown in fig. 5) the method for manufacturing the anchor pipe hole of the cable-stayed bridge anchoring structure comprises the following steps:
and step S001, three-dimensional modeling lofting (shown in FIG. 1). And (4) performing overall modeling and lofting on the cable-stayed bridge through three-dimensional software.
In the above embodiment, further: the three-dimensional software is AutoCAD. And the AutoCAD is selected so as to be effectively fused with the numerical control blanking cutting of the flame cutting machine in the subsequent steps, the programming steps are simplified, and the processing efficiency is improved.
In the above embodiment, further: and during modeling and lofting, according to the influence of the pre-camber of the steel beam and the sag of the stay cable on the anchoring structure of the cable-stayed bridge, the accuracy of the plane position of the anchoring pipe hole of the anchoring structure of the cable-stayed bridge is ensured.
It should be noted that: to ensure the planar position of the anchor tube bore: during lofting, consider the girder steel degree of camber and cable sag influence in advance, relevant adjustment parameter content includes: in order to ensure that the steel beam is in a bridge line shape, pre-raising delta is carried out on the elevation of the steel beam during manufacturing and erection; under the influence of dead weight, the stay cable is not a straight line after being tensioned, but is similar to a catenary, and the plane position of the anchor pipe hole is necessarily influenced.
(as shown in fig. 2 and 3) step S002, calculating the common ellipse 6 and blanking.
And calculating the common ellipse 6 of the anchor pipe hole, and numerically controlling to cut the common ellipse 6 when the steel plate is blanked.
In the above embodiment, further: and calculating to obtain the anchor tube hole common ellipse 6 by means of a modeling lofting result of three-dimensional software AutoCAD, wherein the long axis of the calculated common ellipse 6 is a, and the short axis of the calculated common ellipse is b. And (3) cutting a public ellipse 6 with a major axis a and a minor axis b in a numerical control manner during steel plate blanking.
11. In the above embodiment, further: in step S002, the difference between the major axis a and the design value of the common ellipse (6) is the intersecting angle δ in fig. 3; the minor axis b differs from the design value of the common ellipse (6) by "0" (coinciding with each other).
Step S003, the copying cutting machine 1 is prepared.
The position of the copying cutting equipment 1 is accurately positioned by utilizing the public ellipse 6, and the angle of the cutting tip 5 is adjusted to meet the cutting process requirement of the public ellipse 6.
12. In the above embodiment, further: the position of the profiling cutting device 1 is accurately positioned by means of the common ellipse 6 so that the starting position of the cutting tip 5 of the profiling cutting device 1 coincides with the common ellipse positioning reference. In the above embodiment, further: in step S003, the angle of the cutting tip 5 is made to coincide with the anchor hole chamfer angle inclination angle.
And S004, cutting the intersecting tangent angle of the anchor pipe hole in a numerical control manner.
(as shown in fig. 4), programming data is imported into a controller of the profile modeling cutting device 1, and the controller 3 of the profile modeling cutting device 1 numerically controls and cuts the intersecting cutting angles of the anchor pipe holes, so that the manufacturing quality of the anchor pipe holes is guaranteed.
Therefore, the position of the common ellipse 6 of the anchor pipe hole is cut out together when the part is subjected to numerical control blanking; the intersecting cutting angle is cut out in a programmed numerical control mode through the profile modeling cutting equipment 1, and the flame cutting quality of the anchor pipe hole is guaranteed.
In the above embodiment, further: the profile cutting device 1 is a flame cutting machine. Any flame cutting machine is suitable for the scheme.
In the above embodiment, further: the profile modeling cutting equipment 1 is composed of a guide rail 2, a controller 3, a cross beam 4 and a cutting tip 5, and is simple in structure, small in occupied area and accurate in numerical control cutting.
A sliding groove is formed in the guide rail 2, and the controller 3 linearly reciprocates along the sliding groove; the controller 3 imports programming data, converts the programming data into instructions and controls the cutting tip 5 to cut according to the instructions through the instructions; the cutting tip 5 linearly reciprocates along the cross beam 4; the cross beam 4 is spatially perpendicular to the guide rail 2.
The working principle of the invention is as follows: when the part is subjected to numerical control blanking, a common ellipse 6 of the anchor pipe hole is cut out, and an anchor pipe hole cutting numerical control program is compiled according to the lofting pattern; accurately positioning the copying cutting equipment 1 by taking the common ellipse 6 as a reference, and adjusting the angle of the cutting tip 5; and (5) introducing a program, and cutting out the intersecting cutting angle of the anchor pipe hole by utilizing profile modeling cutting equipment.
From the above description it can be found that: firstly, the invention lofts the whole cable-stayed bridge through three-dimensional software, and the influence of the pre-camber of the steel beam and the sag of the stay cable is considered during lofting, so that the plane position of the anchor pipe hole is ensured.
Secondly, the common ellipse position of the anchor pipe hole is cut out together when the part is subjected to numerical control blanking; and the intersecting cutting angle is cut out in a numerical control mode through programming of a profile modeling cutting device, so that the flame cutting quality of the hole of the anchor pipe is guaranteed.
Moreover, the invention has high systematicness and practicability, is simple to operate and can ensure the manufacturing precision; the problem that the manufacturing precision of the anchor pipe hole is difficult to guarantee is solved, and the anchor pipe hole manufacturing method is suitable for popularization and wide use.
In conclusion, the cutting precision is high, and the quality is good; the operation is simple and convenient; the polishing and repairing amount is reduced, and the cost is saved; economical and practical, and is suitable for popularization.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. The manufacturing method of the anchor pipe hole of the cable-stayed bridge anchoring structure is characterized by comprising the following steps of:
s001, three-dimensional modeling and lofting: modeling and lofting the whole cable-stayed bridge through three-dimensional software;
s002, calculating a public ellipse and blanking: calculating a common ellipse (6) of the anchor pipe hole, and numerically controlling to cut the common ellipse (6) when the steel plate is blanked;
s003, preparing the copying cutting device (1): the position of the copying cutting equipment (1) is accurately positioned by utilizing the common ellipse (6), and the angle of the cutting tip (5) is adjusted;
s004, numerically controlling cutting of the intersecting cutting angle of the anchor pipe hole: and programming data is imported into the profile modeling cutting equipment (1), and the profile modeling cutting equipment (1) cuts the intersecting cutting angle of the anchor pipe hole in a numerical control manner, so that the manufacturing quality of the anchor pipe hole is ensured.
2. The method for manufacturing the anchor pipe hole of the cable-stayed bridge anchoring structure according to claim 1, wherein the method comprises the following steps: the three-dimensional software in the step S001 is AutoCAD.
3. The method for manufacturing the anchor pipe hole of the cable-stayed bridge anchoring structure according to claim 1, wherein the method comprises the following steps: and S001, during modeling and lofting, according to the influence of the pre-camber of the steel beam and the sag of the stay cable on the anchoring structure of the cable-stayed bridge, ensuring the accuracy of the plane position of the anchoring pipe hole of the anchoring structure of the cable-stayed bridge.
4. The method for manufacturing the anchor pipe hole of the cable-stayed bridge anchoring structure according to claim 1, wherein the method comprises the following steps: in the step S002, the calculated common ellipse (6) of the anchor pipe hole has a major axis a and a minor axis b; the difference between the major axis a and the design value of the common ellipse (6) is the intersecting angle delta in fig. 3; the minor axis b differs from the design value of the common ellipse (6) by "0" (coinciding with each other).
5. The method for manufacturing the anchor pipe hole of the cable-stayed bridge anchoring structure according to claim 1, wherein the method comprises the following steps: in step S003, the starting position of the cutting tip (5) of the copying cutting apparatus (1) coincides with the positioning reference of the common ellipse.
6. The method for manufacturing the anchor pipe hole of the cable-stayed bridge anchoring structure according to claim 1, wherein the method comprises the following steps: in step S003, the angle of the cutting tip (5) is consistent with the cutting angle inclination angle of the anchor pipe hole.
7. The method for manufacturing the anchor pipe hole of the cable-stayed bridge anchoring structure according to claim 1, wherein the method comprises the following steps: the profile modeling cutting equipment (1) is a flame cutting machine.
8. The method for manufacturing the anchor pipe hole of the cable-stayed bridge anchoring structure according to the claim 1 or 7, wherein the method comprises the following steps: the profile modeling cutting equipment (1) consists of a guide rail (2), a controller (3), a cross beam (4) and a cutting tip (5); a sliding groove is formed in the guide rail (2), and the controller (3) linearly reciprocates along the sliding groove; the controller (3) imports programming data, converts the programming data into instructions and controls the cutting tip (5) to cut according to the instructions through the instructions; the cutting nozzle head (5) linearly reciprocates along the cross beam (4); the cross beam (4) is spatially vertical to the guide rail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210038869.XA CN114406401B (en) | 2022-01-13 | 2022-01-13 | Manufacturing method of anchor pipe hole of cable-stayed bridge anchoring structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210038869.XA CN114406401B (en) | 2022-01-13 | 2022-01-13 | Manufacturing method of anchor pipe hole of cable-stayed bridge anchoring structure |
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| CN114406401A true CN114406401A (en) | 2022-04-29 |
| CN114406401B CN114406401B (en) | 2024-04-05 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066570A (en) * | 2007-05-18 | 2007-11-07 | 云南大为化工装备制造有限公司 | Numerically controlled process of cutting spatial curved surface for inserting inclined pipe to barrel |
| CN101823175A (en) * | 2010-04-30 | 2010-09-08 | 武汉一冶钢结构有限责任公司 | Improved semiautomatic flame cutting machine |
| CN101913064A (en) * | 2010-08-23 | 2010-12-15 | 中冶建工有限公司 | Tapping method of Y-type steel anchor box cableway pipe of cable-stayed bridge |
| CN106238937A (en) * | 2016-08-31 | 2016-12-21 | 北京永鑫盟堆焊科技有限公司 | One passes through part profile modeling welding-cutting control system mutually |
| CN206169446U (en) * | 2016-09-26 | 2017-05-17 | 海洋石油工程（青岛）有限公司 | Portable intersecting line cutting machine |
| CN110449750A (en) * | 2019-08-09 | 2019-11-15 | 上海发那科机器人有限公司 | A kind of round tube cutting process method and system based on six-shaft industrial robot |
-
2022
- 2022-01-13 CN CN202210038869.XA patent/CN114406401B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101066570A (en) * | 2007-05-18 | 2007-11-07 | 云南大为化工装备制造有限公司 | Numerically controlled process of cutting spatial curved surface for inserting inclined pipe to barrel |
| CN101823175A (en) * | 2010-04-30 | 2010-09-08 | 武汉一冶钢结构有限责任公司 | Improved semiautomatic flame cutting machine |
| CN101913064A (en) * | 2010-08-23 | 2010-12-15 | 中冶建工有限公司 | Tapping method of Y-type steel anchor box cableway pipe of cable-stayed bridge |
| CN106238937A (en) * | 2016-08-31 | 2016-12-21 | 北京永鑫盟堆焊科技有限公司 | One passes through part profile modeling welding-cutting control system mutually |
| CN206169446U (en) * | 2016-09-26 | 2017-05-17 | 海洋石油工程（青岛）有限公司 | Portable intersecting line cutting machine |
| CN110449750A (en) * | 2019-08-09 | 2019-11-15 | 上海发那科机器人有限公司 | A kind of round tube cutting process method and system based on six-shaft industrial robot |
Non-Patent Citations (1)
| Title |
|---|
| 周宇娟: "港珠澳大桥青州航道桥钢锚箱制作工艺" * |
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Inventor after: Zhang Hongwei Inventor after: Xue Hongqiang Inventor after: Tan Xiaohui Inventor after: Ren Xiao Inventor after: Cui Wen Inventor before: Zhang Hongwei Inventor before: Xue Hongqiang Inventor before: Tan Xiaohui Inventor before: Ren Xiao Inventor before: Cui Wen |