CN114043171B - Manufacturing method of curve cable tower steel anchor box - Google Patents
Manufacturing method of curve cable tower steel anchor box Download PDFInfo
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- CN114043171B CN114043171B CN202111338315.3A CN202111338315A CN114043171B CN 114043171 B CN114043171 B CN 114043171B CN 202111338315 A CN202111338315 A CN 202111338315A CN 114043171 B CN114043171 B CN 114043171B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 64
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 238000003466 welding Methods 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 38
- 238000003754 machining Methods 0.000 claims abstract description 30
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 244000179970 Monarda didyma Species 0.000 description 1
- 235000010672 Monarda didyma Nutrition 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
-
- 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
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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
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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- Civil Engineering (AREA)
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- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a manufacturing method of a curve cable tower steel anchor box, which comprises the following steps of sequentially manufacturing the curve cable tower steel anchor box to achieve the aim of improving manufacturing precision: the method comprises the steps of manufacturing a single element, assembling and welding a first side pull plate and an anchor head unit, assembling and welding a baffle plate unit and a second side pull plate, assembling and welding an end bearing plate, assembling and welding a horizontal connecting plate and a vertical rib plate, assembling and bolting end components and end face processing, assembling and bonding a sliding pair. The manufacturing method of the curve cable tower steel anchor box is beneficial to improving the manufacturing precision of a curve structure, reasonable assembly sequence ensures welding quality and anchor box angle control, and end face machining and trial assembly are adopted to ensure the overall manufacturing precision of the steel anchor box. The section size precision of the steel anchor box, the angle control of the anchor box and the contact surface adherence are improved, and the whole manufacturing precision and engineering quality of the steel anchor box are ensured. Is worth popularizing and using in a large area.
Description
Technical Field
The invention relates to the technical field of manufacturing of steel anchor boxes, in particular to a manufacturing method of a curve cable tower steel anchor box.
Background
The steel anchor box manufacturing technology is an important technology in bridge structure industry, particularly a curve cable tower, the cable tower is outstanding in landscape effect and high in manufacturing difficulty, the curve cable tower is special in steel anchor box form, special lofting check is needed, anchor points of the cable tower steel anchor boxes are in one-to-one correspondence with anchor points of steel box girders, two sides of the steel anchor boxes are respectively a bolting end and a non-bolting end, upper steel anchor box girders Duan Mi and lower steel anchor box girders Duan Mi are attached and are in bolting structure forms, and higher requirements are put forward on manufacturing precision.
The cable tower steel anchor box is in a curve shape, the manufacturing difficulty is high, in order to solve the problem of controlling the manufacturing precision of the curve cable tower steel anchor box structure, the manufacturing precision of the steel anchor box needs to be controlled in advance, otherwise, the anchor box sections cannot be positioned and assembled accurately.
The prior art is mainly characterized in that the anchor boxes are directly assembled and then are directly assembled and welded. The method is difficult to control the section size precision and the anchor box angle, and the integral linear precision of the anchor box cannot be ensured without adopting end face machining and trial assembly.
Disclosure of Invention
The invention provides a manufacturing method of a curved cable tower steel anchor box.
The invention provides the following scheme:
the manufacturing method of the curve cable tower steel anchor box comprises the following steps of sequentially manufacturing the curve cable tower steel anchor box so as to achieve the aim of improving manufacturing precision:
the method comprises the steps of manufacturing a single element, assembling and welding a first side pull plate and an anchor head unit, assembling and welding a baffle plate unit and a second side pull plate, assembling and welding an end bearing plate, assembling and welding a horizontal connecting plate and a vertical rib plate, assembling and bolting end components and end face processing, assembling and bonding a sliding pair.
Preferably: the single element comprises a partition plate unit, a stay cable sleeve unit and an anchor head unit; the unit piece manufacturing includes:
placing the anchor box block on a scribing platform, and scribing a machining line of steel gaskets at two sides of the anchor box and a machining line of an anchor plate; and machining the top surface of the anchor box anchor plate and two sides of the anchor box web anchor plate and boring after the scribing inspection is qualified.
Preferably: the assembly welding first side pulling plate and the anchor head unit comprise:
adopting a side mounting method to assemble an anchor head unit according to the central line of the inhaul cable, the web plate and the anchor backing plate positioning line on the first side pull plate; when the anchor is assembled, the edge of the first side pulling plate is closely attached to the tire type blocking angle, a leveling rule is adopted to detect and adjust the plane extension line of the anchor backing plate to coincide with the anchor head positioning line on the first side pulling plate, the error is controlled to be +/-0.5 mm, an anchor hole centering tool is adopted to detect the center distance of an anchor hole in cooperation with an angle square and a steel tape, and the error is controlled to be +/-2 mm.
Preferably: the assembly welding baffle unit and the second side pull plate comprise:
scribing and assembling a diaphragm plate unit, wherein the positioning welding of the diaphragm plate unit and the first side pull plate is not allowed to be performed within a range of 1000mm from the anchor head unit; assembling a second side pulling plate, firstly, closely attaching the second side pulling plate to a tire type baffle angle, and simultaneously checking the superposition condition of an extension line of the plane of an anchor backing plate and an anchor head positioning line on the second side pulling plate by using a flat rule, and adjusting to control the error within a range of not more than 1 mm; and measuring the center distance of the anchor holes again, and completing the welding of the second side pulling plate and the welding seams of the anchor head unit and the diaphragm plate unit by using a method of symmetrically welding by using CO2 gas shielded welding after the detection and the confirmation are qualified.
Preferably: the assembly welding end bearing plate comprises:
and (3) erecting a part of the welded anchor box by adopting a normal installation method, ensuring plumb of a pulling plate at the side surface of the anchor box, scribing and assembling an end bearing plate on a platform, and assembling and ensuring concentricity of a rope hole by taking the system central line of the end bearing plate as a reference during assembling.
Preferably: the assembly welding horizontal connecting plate and the vertical rib plate comprise:
scribing and assembling a horizontal connecting plate and a vertical rib plate, wherein the central line of the horizontal connecting plate is coincident with the central line of the end bearing plate, and the error is ensured to be less than or equal to 2 mm; drilling part of hole groups on the first side pulling plate and the second side pulling plate by the clamping sample plate; drilling a horizontal connecting plate hole group on the anchor box by using the clamping template; and scribing and assembling the sleeve unit on the platform, measuring and adjusting the axial angle deviation of the sleeve by using a special centering tool during assembling, and positioning and welding after the axial angle deviation meets the requirements.
Preferably: the assembling bolting end component and the end surface processing comprises the following steps:
splicing the bolting end component with the assembled anchor box on the platform, throwing a first side pull plate bolt hole of the anchor box by using a splice plate, and scribing an upper end surface machining line and a lower end surface machining line by taking a horizontal girth of the first side pull plate of the anchor box as a reference; and after disassembly, drilling a first side pulling plate and a second side pulling plate bolt hole group by the clamping template, and machining the upper end face and the lower end face.
Preferably: the trial assembly and bonding sliding pair comprises:
the number of the trial assembly sections is not less than 6, one section is reserved for next trial assembly, the anchor box section trial assembly is used for casting the bolt holes of the lower part of the anchor box of one section by taking the group of the holes of the upper part of the anchor box as the standard, and after marking, the bolt holes of the connecting plate are disassembled and drilled; when the sliding pair is bonded, the control and the adjacent connecting plates are in the same plane.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
according to the invention, the method for manufacturing the curved cable tower steel anchor box can be realized, and in one implementation mode, the method can comprise the following steps of sequentially manufacturing the curved cable tower steel anchor box so as to achieve the aim of improving the manufacturing precision: the method comprises the steps of manufacturing a single element, assembling and welding a first side pull plate and an anchor head unit, assembling and welding a baffle plate unit and a second side pull plate, assembling and welding an end bearing plate, assembling and welding a horizontal connecting plate and a vertical rib plate, assembling and bolting end components and end face processing, assembling and bonding a sliding pair. The manufacturing method of the curve cable tower steel anchor box is beneficial to improving the manufacturing precision of a curve structure, reasonable assembly sequence ensures welding quality and anchor box angle control, and end face machining and trial assembly are adopted to ensure the overall manufacturing precision of the steel anchor box. The section size precision of the steel anchor box, the angle control of the anchor box and the contact surface adherence are improved, and the whole manufacturing precision and engineering quality of the steel anchor box are ensured. Is worth popularizing and using in a large area.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the assembly sequence of units of a method for manufacturing a steel anchor box of a curved cable tower according to an embodiment of the present invention;
FIG. 2 is a sequential diagram of a continuous trial assembly provided by an embodiment of the present invention;
fig. 3 is a schematic structural view of a curved cable tower steel anchor box provided by an embodiment of the invention.
In the figure: the anchor head unit comprises a first side pull plate 1, an anchor head unit 2, a partition plate unit 3, a second side pull plate 4, an end bearing plate 5, a horizontal connecting plate 6, a vertical rib plate 7 and a bolting end component 8.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
Examples
Referring to fig. 1, fig. 2, and fig. 3, a method for manufacturing a curved cable tower steel anchor box according to an embodiment of the present invention, as shown in fig. 1, fig. 2, and fig. 3, may include:
the manufacturing of the curve cable tower steel anchor box is sequentially carried out according to the following steps to achieve the purpose of improving the manufacturing precision:
the method comprises the steps of manufacturing single elements, assembling and welding a first side pull plate 1, an anchor head unit 2, assembling and welding a baffle plate unit 3, a second side pull plate 4, assembling and welding an end bearing plate 5, assembling and welding a horizontal connecting plate 6, a vertical rib plate 7, assembling and bolting end components 8, and end face machining, trial assembling and bonding a sliding pair.
The manufacturing method of the curve cable tower steel anchor box is beneficial to improving the manufacturing precision of a curve structure, reasonable assembly sequence ensures welding quality and anchor box angle control, and end face machining and trial assembly are adopted to ensure the overall manufacturing precision of the steel anchor box.
Specifically, the unit element comprises a partition plate unit, a stay cable sleeve unit and an anchor head unit; the unit piece manufacturing includes:
placing the anchor box block on a scribing platform, and scribing a machining line of steel gaskets at two sides of the anchor box and a machining line of an anchor plate; and machining the top surface of the anchor box anchor plate and two sides of the anchor box web anchor plate and boring after the scribing inspection is qualified.
The assembly welding first side pulling plate and the anchor head unit comprise:
adopting a side mounting method to assemble an anchor head unit according to the central line of the inhaul cable, the web plate and the anchor backing plate positioning line on the first side pull plate; when the anchor is assembled, the edge of the first side pulling plate is closely attached to the tire type blocking angle, a leveling rule is adopted to detect and adjust the plane extension line of the anchor backing plate to coincide with the anchor head positioning line on the first side pulling plate, the error is controlled to be +/-0.5 mm, an anchor hole centering tool is adopted to detect the center distance of an anchor hole in cooperation with an angle square and a steel tape, and the error is controlled to be +/-2 mm.
The assembly welding baffle unit and the second side pull plate comprise:
scribing and assembling a diaphragm plate unit, wherein the positioning welding of the diaphragm plate unit and the first side pull plate is not allowed to be performed within a range of 1000mm from the anchor head unit; assembling a second side pulling plate, firstly, closely attaching the second side pulling plate to a tire type baffle angle, and simultaneously checking the superposition condition of an extension line of the plane of an anchor backing plate and an anchor head positioning line on the second side pulling plate by using a flat rule, and adjusting to control the error within a range of not more than 1 mm; measuring the center distance of the anchor holes again, and using CO after passing the detection and confirmation 2 And the gas shielded welding is used for finishing the welding seam welding of the second side pulling plate and the anchor head unit and the diaphragm plate unit by a symmetrical welding method.
The assembly welding end bearing plate comprises:
and (3) erecting a part of the welded anchor box by adopting a normal installation method, ensuring plumb of a pulling plate at the side surface of the anchor box, scribing and assembling an end bearing plate on a platform, and assembling and ensuring concentricity of a rope hole by taking the system central line of the end bearing plate as a reference during assembling.
The assembly welding horizontal connecting plate and the vertical rib plate comprise:
scribing and assembling a horizontal connecting plate and a vertical rib plate, wherein the central line of the horizontal connecting plate is coincident with the central line of the end bearing plate, and the error is ensured to be less than or equal to 2 mm; drilling part of hole groups on the first side pulling plate and the second side pulling plate by the clamping sample plate; drilling a horizontal connecting plate hole group on the anchor box by using the clamping template; and scribing and assembling the sleeve unit on the platform, measuring and adjusting the axial angle deviation of the sleeve by using a special centering tool during assembling, and positioning and welding after the axial angle deviation meets the requirements.
The assembling bolting end component and the end surface processing comprises the following steps:
splicing the bolting end component with the assembled anchor box on the platform, throwing a first side pull plate bolt hole of the anchor box by using a splice plate, and scribing an upper end surface machining line and a lower end surface machining line by taking a horizontal girth of the first side pull plate of the anchor box as a reference; and after disassembly, drilling a first side pulling plate and a second side pulling plate bolt hole group by the clamping template, and machining the upper end face and the lower end face.
The trial assembly and bonding sliding pair comprises:
the number of the trial assembly sections is not less than 6, one section is reserved for next trial assembly, the anchor box section trial assembly is used for casting the bolt holes of the lower part of the anchor box of one section by taking the group of the holes of the upper part of the anchor box as the standard, and after marking, the bolt holes of the connecting plate are disassembled and drilled; when the sliding pair is bonded, the control and the adjacent connecting plates are in the same plane.
The measurement using the process of the prior art gives a set of test data, which is compared with the measurement using the process provided herein, as shown in table 1 below:
table 1 Steel Anchor box manufacturing tolerance comparison table (mm)
And finally, the manufacturing precision is higher by adopting the process method provided by the application through the comparison of the two groups of data.
The method for manufacturing the curved cable tower steel anchor box provided by the embodiment of the application is used for describing the application of the curved cable tower steel anchor box in the Fulong Xijiang super bridge project in the city of bergamot in detail.
1. The cable tower steel anchor box with the section number of M4 (Y) -1 is manufactured by adopting the method provided by the embodiment of the application, and the main assembly manufacturing method comprises the following steps: manufacturing single elements; secondly, assembling and welding the side plates and the anchor heads; assembling and welding the partition plate and the side plate; assembling and welding an end bearing plate; fifthly, assembling and welding the connecting plates and the rib plates; assembling the bolting end and processing the end face; and (5) assembling and bonding the sliding pair in a trial way. The invention has the advantages that: the manufacturing method of the steel anchor box of the curve cable tower is beneficial to improving the manufacturing precision of the curve structure, reasonable assembly sequence ensures welding quality and angle control of the anchor box, and end face machining and trial assembly are adopted to ensure the overall manufacturing precision of the steel anchor box. Further, the unit cell manufacturing includes: and manufacturing a partition plate unit, a stay cable sleeve unit, an anchor head unit and the like.
The manufacturing method of the steel anchor box comprises the following steps:
manufacturing of single elements: the manufacturing precision of the single element is ensured, and the manufacturing precision of the finished box is key and is divided into a baffle plate unit, a stay cable sleeve unit and an anchor head unit. And placing the anchor box block on a scribing platform, and precisely scribing machining lines of steel gaskets at two sides of the anchor box and machining lines of anchor plates. Care is taken to ensure parallelism of the two sides of the anchor box during scribing. And machining the top surface of the anchor box anchor plate and two sides of the anchor box web anchor plate and boring after the scribing inspection is qualified.
Side plate and anchor head are welded in the group: and assembling the anchor head unit according to the central line of the inhaul cable, the web plate and the anchor backing plate positioning line on the side pulling plate by adopting a side mounting method. When in assembly, the edge of the side pulling plate is closely attached to the tire type blocking angle, and a leveling rule is used for detection and adjustment, so that the plane extension line of the anchor backing plate is overlapped with the anchor head positioning line on the side pulling plate, and the error is controlled to be +/-0.5 mm. And detecting the center distance of the anchor holes by using an anchor hole centering tool in combination with an angle square and a steel tape, wherein the error is controlled to be +/-2 mm.
Welding the partition plate and the side plates: and scribing and assembling the diaphragm plate, wherein the positioning welding of the diaphragm plate and the side pull plate is not allowed to be performed within the range of 1000mm from the anchor head unit. The upper side pulling plate is assembled, the side pulling plate is closely attached to the tire type blocking angle, meanwhile, the plane extension line of the anchor backing plate is checked by a flat ruler to be overlapped with the anchor head positioning line on the side pulling plate, and the fine adjustment is carried out to control the error within the range of not more than 1 mm. And ensuring the accurate relative positions of the two side pull plates, measuring the center distance of the anchor holes again, and completing the welding of the side pull plates, the anchor head unit and the baffle plate unit by using a CO2 gas shielded welding method in a symmetrical welding method after the side pull plates are qualified through special inspection. And (5) after the weld joint is qualified, transferring to a finishing process. And assembling and welding an anchor backing plate.
Fourth, assembling and welding end bearing plates: and (3) erecting the anchor box by adopting a normal installation method, ensuring plumb of the anchor box side pulling plate, scribing and assembling the end bearing plate on the platform, and assembling by taking the system central line of the end bearing plate as a reference during assembling. Care was taken to ensure cord concentricity.
Fifthly, assembling and welding the connecting plates and the rib plates: the horizontal connecting plate and the vertical rib plates (comprising part of shear nails) are assembled by scribing, the center line of the horizontal connecting plate is coincident with the center line of the end bearing plate, and the error is less than or equal to 2mm. Drilling part of hole groups on the side pulling plate by using the clamping template; the clamping sample plate is drilled into the upper connecting plate hole group and the lower connecting plate hole group of the anchor box. And scribing and assembling the sleeve unit on the platform, measuring and adjusting the axial angle deviation of the sleeve by using a special centering tool during assembling, and positioning and welding after the axial angle deviation meets the requirements.
Sixthly, assembling a bolting end and processing an end face: and assembling and welding the bolting end component, and drilling a web clamping template finished product. Assembling the bolting end component with the anchor box on the platform, splicing the bolt holes of the side pull plates of the anchor box, and scribing the machining lines of the upper end face and the lower end face by taking the horizontal girth of the side pull plates of the anchor box as a reference. And after disassembly, drilling a side pulling plate bolt hole group by the clamping template, and machining the upper end face and the lower end face.
And (3) trial assembly and bonding of sliding pairs: in order to ensure the overall dimensional accuracy and the bolt hole superposition rate of the steel anchor box, the steel anchor box is integrally pre-assembled, the number of pre-assembled sections is not less than 6, one section is reserved for next trial assembly, the section of the anchor box is subjected to trial assembly, the plate hole group of the upper part of the anchor box is taken as the standard to throw the bolt hole of the lower part of the anchor box of the section, and after marking, the steel anchor box is disassembled and the bolt hole of the connecting plate is drilled. And (3) bonding the stainless steel of the sliding pair, wherein the control and the adjacent connecting plates are in the same plane during bonding.
2. The cable tower steel anchor box with the segment number of M4 (Z) -1 is manufactured by adopting the method in the prior art.
The quality of the cable tower steel anchor box manufactured by the method provided by the application and the method in the prior art is detected, and the obtained detection results are shown in tables 2 and 3.
TABLE 2
TABLE 2
In a word, the manufacturing method of the curve cable tower steel anchor box is beneficial to improving the manufacturing precision of a curve structure, reasonable assembly sequence ensures welding quality and anchor box angle control, and end face machining and trial assembly are adopted to ensure the overall manufacturing precision of the steel anchor box. The section size precision of the steel anchor box, the angle control of the anchor box and the contact surface adherence are improved, and the whole manufacturing precision and engineering quality of the steel anchor box are ensured. Is worth popularizing and using in a large area.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (1)
1. The manufacturing method of the curve cable tower steel anchor box is characterized by comprising the following steps of sequentially manufacturing the curve cable tower steel anchor box to achieve the aim of improving manufacturing precision:
manufacturing a single element, assembling and welding a first side pull plate and an anchor head unit, assembling and welding a baffle plate unit and a second side pull plate, assembling and welding an end bearing plate, assembling and welding a horizontal connecting plate and a vertical rib plate, assembling and bolting an end component and end face processing, assembling and bonding a sliding pair; the single element comprises a partition plate unit, a stay cable sleeve unit and an anchor head unit; the unit piece manufacturing includes:
placing the anchor box block on a scribing platform, and scribing a machining line of steel gaskets at two sides of the anchor box and a machining line of an anchor plate; machining the top surface of the anchor box anchor plate and two sides of the anchor box web anchor plate and boring after the scribing inspection is qualified;
the assembly welding first side pulling plate and the anchor head unit comprise:
adopting a side mounting method to assemble an anchor head unit according to the central line of the inhaul cable, the web plate and the anchor backing plate positioning line on the first side pull plate; when the anchor is assembled, the edge of the first side pulling plate is closely attached to a tire type baffle angle, a leveling rule is adopted to detect and adjust the plane extension line of the anchor backing plate to coincide with an anchor head positioning line on the first side pulling plate, the error is controlled to be +/-0.5 mm, an anchor hole centering tool is adopted to detect the center distance of an anchor hole in cooperation with an angle square and a steel tape, and the error is controlled to be +/-2 mm;
the assembly welding baffle unit and the second side pull plate comprise:
scribing and assembling a diaphragm plate unit, wherein the positioning welding of the diaphragm plate unit and the first side pull plate is not allowed to be performed within a range of 1000mm from the anchor head unit; assembling a second side pulling plate, firstly, closely attaching the second side pulling plate to a tire type stop angle, simultaneously checking the superposition condition of an extension line of the plane of an anchor backing plate and an anchor head positioning line on the second side pulling plate by using a flat rule, and adjusting to control the error of the extension line to be in a range ofNot more than 1 mm; measuring the center distance of the anchor holes again, and using CO after passing the detection and confirmation 2 The gas shielded welding is used for completing the welding seam welding of the second side pulling plate and the anchor head unit and the diaphragm plate unit by a symmetrical welding method;
the assembly welding end bearing plate comprises:
the method comprises the steps of erecting a part of the welded anchor box by adopting a normal installation method, ensuring plumb of a pulling plate at the side surface of the anchor box, scribing and assembling an end bearing plate on a platform, and assembling and ensuring concentricity of a rope hole by taking the system central line of the end bearing plate as a reference during assembling;
the assembly welding horizontal connecting plate and the vertical rib plate comprise:
scribing and assembling a horizontal connecting plate and a vertical rib plate, wherein the central line of the horizontal connecting plate is coincident with the central line of the end bearing plate, and the error is ensured to be less than or equal to 2 mm; drilling part of hole groups on the first side pulling plate and the second side pulling plate by the clamping sample plate; drilling a horizontal connecting plate hole group on the anchor box by using the clamping template; scribing and assembling the stay cable sleeve unit on a platform, and positioning and welding after the angle deviation of the sleeve axis is measured and adjusted to meet the requirement by using a special centering tool during assembling;
the assembling bolting end component and the end surface processing comprises the following steps:
splicing the bolting end component with the assembled anchor box on the platform, throwing a first side pull plate bolt hole of the anchor box by using a splice plate, and scribing an upper end surface machining line and a lower end surface machining line by taking a horizontal girth of the first side pull plate of the anchor box as a reference; after disassembly, drilling a first side pulling plate and a second side pulling plate bolt hole group by the clamping template, and machining upper and lower end surfaces;
the trial assembly and bonding sliding pair comprises:
the number of the trial assembly sections is not less than 6, one section is reserved for next trial assembly, the anchor box section trial assembly is used for casting the bolt holes of the lower part of the anchor box of one section by taking the group of the holes of the upper part of the anchor box as the standard, and after marking, the bolt holes of the connecting plate are disassembled and drilled; when the sliding pair is bonded, the control and the adjacent connecting plates are in the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111338315.3A CN114043171B (en) | 2021-11-12 | 2021-11-12 | Manufacturing method of curve cable tower steel anchor box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111338315.3A CN114043171B (en) | 2021-11-12 | 2021-11-12 | Manufacturing method of curve cable tower steel anchor box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114043171A CN114043171A (en) | 2022-02-15 |
| CN114043171B true CN114043171B (en) | 2024-03-01 |
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| CN115351447B (en) * | 2022-09-15 | 2024-01-23 | 中国五冶集团有限公司 | Welding forming method for cable tower steel anchor box |
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