CN107511613B - Hydropower station radial gate leaf reverse assembling method and special tool - Google Patents

Hydropower station radial gate leaf reverse assembling method and special tool Download PDF

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Publication number
CN107511613B
CN107511613B CN201710938745.6A CN201710938745A CN107511613B CN 107511613 B CN107511613 B CN 107511613B CN 201710938745 A CN201710938745 A CN 201710938745A CN 107511613 B CN107511613 B CN 107511613B
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supporting
connecting plate
platform
support platform
reverse
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CN107511613A (en
Inventor
廖志文
陈文善
许文奎
李贺威
张世磊
唐海
王志栋
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China Hydro Power 4 Bureau Xiangyun Machinery Energy Equipment Co ltd
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China Hydro Power 4 Bureau Xiangyun Machinery Energy Equipment Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0461Welding tables
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Abstract

The invention discloses a hydropower station radial gate leaf reverse assembly method and a special tool, wherein the special tool comprises a rooting foundation and a reverse assembly supporting platform fixed on the rooting foundation, and the reverse assembly supporting platform is used for supporting a main beam, a cross beam and a top beam on a leaf and promoting the main beam, the cross beam and the top beam to correspond to a central line on a ground sample, so that the quality of leaf assembly is guaranteed; the reverse assembling method comprises the following steps: a. b, preprocessing parts, b, placing a ground sample, c, building a reverse splicing support table, d, reversely splicing, e, welding door leaves, f, correcting the door leaves and eliminating stress, and g, processing a panel; the quality of the radial gate leaves is ensured through the positioning property of the reverse splicing platform and the limitation property of ground sample projection; the reverse splicing platform has reasonable structural design, convenient manufacture, less material consumption and low cost; the reverse splicing method has the characteristics of simplicity, convenience, flexibility, simplified working procedures, cost saving and high production efficiency.

Description

Hydropower station radial gate leaf reverse assembling method and special tool
Technical Field
The invention relates to the field of installation and construction of radial gate, in particular to a method for reversely assembling gate leaves of a hydropower station radial gate and a special tool.
Background
The hydropower station radial gate is an indispensable part of a hydropower station as a hydroelectric gate, and is an important part in the manufacturing of the current large-scale steel structure. The arc gate is more difficult to manufacture than a plane gate and other steel structures and strict requirements are met, and the assembling of the gate leaves is difficult and important for manufacturing the whole arc gate, so that the well-controlled assembling quality of the gate leaves of the arc gate is very important.
The traditional radial gate leaf assembly adopts horizontal assembly, and the assembly technology is mature. The assembling method can well solve the conventional problems of radian radius of the arc door leaf panel, assembling and lofting operability, door leaf key size measurement, regulation and control and the like; however, the assembling method has disadvantages, especially the arc door panel requires processing, the door leaf and the support arm must be disassembled and transported to a special processing field, then the door leaf and the support arm are connected and then processed by a special tool (large arm) matched with a door machine, if the tool capable of horizontal processing is adopted, the door leaf needs to be turned over and then supported, so that the manufacturing process of the door leaf is complicated, the manufacturing process is time-consuming and labor-consuming, the production efficiency is low, and meanwhile, the arc assembling table adopted by the horizontal assembling method consumes a large amount of materials during manufacturing, and the manufacturing cost is increased.
Disclosure of Invention
The invention aims to provide a hydropower station radial gate leaf reverse assembly method and a special tool aiming at the defects in the prior art; the problems that the existing radial gate leaf horizontal type assembling method is complex in manufacturing process, inconvenient to process panels, low in production efficiency and large in consumption of tool materials adopted during manufacturing can be solved.
In order to achieve the purpose, the invention adopts the technical scheme that:
a special tool for a hydropower station radial gate leaf reverse assembly method comprises a rooting foundation and a reverse assembly support platform fixed on the rooting foundation, wherein the reverse assembly support platform comprises an internode connecting plate support platform, a main beam support platform, a cross beam support platform and a top beam support platform;
further, the rooting foundation is made of steel plates and is square as a whole;
furthermore, the internode connecting plate supporting tables comprise first supporting vertical plates arranged in parallel and first supporting transverse plates fixed at the tops of the first supporting vertical plates, and the number of the internode connecting plate supporting tables is three from top to bottom at intervals;
further, the main beam support platform comprises a connecting plate support frame and a main beam support frame, the connecting plate support frame comprises a second supporting vertical plate and a large supporting transverse plate, the second supporting vertical plate is arranged in parallel, the large supporting transverse plate is fixed to the top of the second supporting vertical plate, the main beam support frame comprises a third supporting vertical plate and a small supporting transverse plate, the third supporting vertical plate is arranged in parallel, the small supporting transverse plate is fixed to the top of the third supporting vertical plate, and the two connecting plate support frames are respectively positioned on the upper side and the lower side of the main beam support frame;
further, the beam support platform comprises an upper beam support platform, a middle beam support platform and a lower beam support platform, the upper beam support platform, the middle beam support platform and the lower beam support platform are sequentially arranged at intervals from top to bottom, and the upper beam support platform, the middle beam support platform and the lower beam support platform are all formed by a plurality of first vertical plates vertically fixed on a rooting base;
further, the top beam supporting platform is composed of a plurality of second vertical plates which are vertically fixed on a rooting base;
a hydropower station radial gate leaf reverse assembly method comprises the following steps:
a. pretreatment of parts: blanking and beveling according to the process requirements, controlling the size deviation, numbering the similar parts, and storing in a classified manner; independently installing and welding the main beam, the secondary beam, the cross beam, the lifting lug and the side wheel support with independence;
b. placing a sample on the ground: on the basis of rooting, a door leaf is put out according to a process diagram and is reversely spliced into a ground sample, and the ground sample is hammered and punched after being verified to be correct;
c. and (3) erecting an inverse splicing support table: b, further releasing a large sample of the anti-splicing support platform on the ground sample in the step b according to the process drawing, and setting up the anti-splicing support platform according to requirements after rechecking;
d. reverse assembling: assembling door leaves to two sides on the reverse assembling support platform by taking the center as a reference;
e. door leaf welding: after the integral assembly of the door leaf is finished, the door leaf is qualified through inspection, and reinforcement positioning welding is carried out; welding at symmetrical positions by taking the longitudinal central line of the door leaf as a symmetrical line; the welding seam with the length more than 1m adopts sectional backing welding;
f. door leaf correction and stress relief: flame correction is carried out on the welded door leaf, and stress relief is carried out by using an aging stress machine after the correction is finished;
g. panel processing: processing the panel according to the process requirements;
further, the step of reversely assembling in the step d comprises the following steps:
(1) installing an internode connecting plate: positioning the internode connecting plate on the internode connecting plate supporting platform, enabling the central line of the internode connecting plate to correspond to the central line of the ground sample, and then welding positioning blocks on the internode connecting plate supporting platform and on two sides of the internode connecting plate to relatively fix the internode connecting plate;
(2) main beam installation: arranging a main beam on the main beam support platform, and aligning the main beam with a central line on the ground sample;
(3) mounting a cross beam: arranging a cross beam on the cross beam support platform to align the cross beam with a central line on the ground sample, and fixing two ends of the cross beam with the main beam and the internode connecting plate respectively through spot welding after aligning;
(4) top beam installation: arranging a top beam on the top beam support platform, and fixing the top beam with the main beam and the internode connecting plate in a spot welding manner;
(5) and (3) supporting and mounting side wheels: spot welding and fixing the side wheel supports outside the main beam;
(6) mounting a secondary beam: arranging a secondary beam on the side wheel support and the cross beam, aligning the secondary beam with a central line on the ground sample, and fixing the secondary beam with the side wheel support and the cross beam by spot welding;
(7) panel installation: arranging the panels on the secondary beam and the main beam, and fixing by spot welding;
(8) mounting a lifting lug: and the lifting lugs are fixed on the outer side of the top beam in a spot welding manner.
The beneficial effects of the invention are:
the invention improves the door leaf assembly method, adopts a reverse assembly mode, is greatly different from the traditional horizontal assembly method, abandons the conventional arc-shaped assembly platform, is provided with a reverse assembly support platform, and realizes breakthrough in the aspects of production efficiency, quality control, cost control and the like; the invention solves the problem of complex panel processing caused by the traditional assembly method, reduces the manufacturing procedures and optimizes the design process from the process perspective; the special tool has the advantages of simple structure, easy manufacture, less material consumption and low cost, and can effectively support and position the radial gate leaves in the reverse assembling process of the radial gate leaves, thereby facilitating the rapid assembly of the radial gate leaves; the quality of the radial gate leaves is ensured through the positioning property of the reverse splicing platform and the limitation property of ground sample projection; therefore, the invention has the characteristics of simplicity, convenience, flexibility, simplified working procedures, cost saving and high production efficiency.
Drawings
FIG. 1 is a schematic top view of the special tool of the present invention;
FIG. 2 is a schematic side view of the special tool of the present invention;
FIG. 3 is a schematic view of the structure of a door leaf according to the present invention;
FIG. 4 is another schematic view of the door leaf of the present invention;
FIG. 5 is a schematic view of a door leaf reverse-split sample according to the present invention.
Wherein: 1-rooting foundation; 2-internode connecting plate supporting platform; 3-a main beam support platform; 4-a beam support table; 5-a top beam support table; 6-a first supporting vertical plate; 7-a first supporting transverse plate; 8-a second supporting vertical plate; 9-large supporting transverse plate; 10-a third supporting vertical plate; 11-small supporting transverse plate; 12-a first riser; 13-a second vertical plate; 14-a main beam; 15-a cross beam; 16-a top beam; 17-internode connection plate; 18-secondary beam; 19-side wheel support; 20-a door leaf connecting plate; 21-lifting lugs; 22-a panel; 23-internode web centerline; 24-secondary beam centerline; 25-main beam centerline; 26-upper beam center line; 27-center beam centerline; 28-lower beam centerline.
Detailed Description
The following description of specific embodiments of the invention refers to the accompanying drawings in which:
as shown in fig. 1 to 5, a special tool for a hydropower station radial gate leaf reverse assembly method comprises a rooting foundation 1 and a reverse assembly support platform fixed on the rooting foundation 1, wherein the reverse assembly support platform comprises an internode connecting plate support platform 2, a main beam support platform 3, a cross beam support platform 4 and a top beam support platform 5, the main beam support platforms 3 are symmetrically arranged at two sides of the internode connecting plate support platform 2, the cross beam support platform 4 is arranged between the internode connecting plate support platform 2 and the main beam support platform 3, and the top beam support platform 5 is arranged above the internode connecting plate support platform 2 and the main beam support platform 3; the rooting foundation 1 is made of steel plates and is integrally square, and a support frame is arranged between the rooting foundation 1 and the ground so as to separate the rooting foundation from the ground; the internode connecting plate supporting tables 2 comprise first supporting vertical plates 6 which are arranged in parallel and first supporting transverse plates 7 which are fixed at the tops of the first supporting vertical plates 6, the internode connecting plate supporting tables 2 are arranged at intervals from top to bottom, the internode connecting plate supporting tables 2 are used for supporting internode connecting plates 17, and the first supporting transverse plates 7 support the lower edges of the internode connecting plates 17 and are matched with the lower edges of the internode connecting plates 17 in shape; the main beam support platform 3 comprises a connecting plate support frame and a main beam support frame, the connecting plate support frame comprises second supporting vertical plates 8 arranged in parallel and a large supporting transverse plate 9 fixed at the tops of the second supporting vertical plates 8, the main beam support frame comprises third supporting vertical plates 10 arranged in parallel and small supporting transverse plates 11 fixed at the tops of the third supporting vertical plates 10, the connecting plate support frame is provided with two supporting transverse plates 20 which are respectively positioned at the upper side and the lower side of the main beam support frame, the main beam support frame supports the middle part of a main beam 14, the connecting plate support frame supports the door leaf connecting plates 20 on the main beam 14, each main beam 14 is provided with two door leaf connecting plates 20, the door leaf connecting plates 20 are used for being connected with supporting arms, the large supporting transverse plate 9 corresponds to the door leaf connecting plates 20, the small supporting transverse plates 11 are used for supporting the middle part of the main beam 14, and the size of the small supporting transverse plates 11 is smaller than that of the large supporting transverse plate 9 for saving materials; the beam support platform 4 comprises an upper beam support platform, a middle beam support platform and a lower beam support platform, the upper beam support platform, the middle beam support platform and the lower beam support platform are sequentially arranged at intervals from top to bottom, the upper beam support platform, the middle beam support platform and the lower beam support platform are all composed of a plurality of first vertical plates 12 vertically fixed on the rooting foundation 1, the beam support platform 4 is used for supporting a beam 15, and the beam 15 is generally provided with three beams as shown in figure 3, so that the design of the upper beam support platform, the middle beam support platform and the lower beam support platform is realized; the top beam supporting platform 5 is composed of a plurality of second vertical plates 13 vertically fixed on the rooting foundation 1;
a hydropower station radial gate leaf reverse assembly method comprises the following steps:
a. pretreatment of parts: blanking and beveling according to the process requirements, controlling the size deviation, numbering the similar parts, and storing in a classified manner; independently welding the main beam 14, the secondary beam 18, the cross beam 15, the lifting lugs 21 and the side wheel supports 19; the pretreatment process of the parts has the same requirements as the existing horizontal assembling process;
b. placing a sample on the ground: discharging a door leaf reversely spliced ground sample on a rooting foundation 1 according to a process diagram, and smashing the ground sample to punch the hole after the ground sample is verified to be correct; the sample mainly comprises an internode connecting plate central line 23, a main beam central line 25, a secondary beam central line 24, a side beam central line, an upper beam central line 26, a middle beam central line 27 and a lower beam central line 28, wherein the side beam corresponding to the side beam central line is a secondary beam 18, is defined as a side beam because the side beam is positioned at the edge of the panel 22 in the width direction, is still shown as the secondary beam central line 24 in figure 5, and the secondary beam 18 comprises the secondary beam 18 corresponding to the side beam central line when being mentioned in the invention; the ground sample standard on the process diagram is established according to the actually manufactured door leaf;
c. and (3) erecting an inverse splicing support table: b, further releasing a large sample of the anti-splicing support platform on the ground sample in the step b according to the process drawing, and setting up the anti-splicing support platform according to requirements after rechecking; the reverse splicing support table is used for supporting the door leaf, and the door leaf is assembled by depending on the ground sample in the step b, so that the reverse splicing support table is required to be carried out on the basis of the ground sample in the step b, and the manufactured door leaf can meet the size requirement;
d. reverse assembling: assembling door leaves to two sides on the reverse assembling support platform by taking the center as a reference; the concrete reverse assembling steps are as follows:
(1) and (4) installing an internode connecting plate 17: hoisting the internode connecting plate 17 to the upper part of the internode connecting plate supporting platform 2 by using a crown block, positioning the internode connecting plate 17 on the internode connecting plate supporting platform 2, enabling the central line of the internode connecting plate 17 to correspond to the central line 23 of the internode connecting plate on the ground sample, and then welding positioning blocks on the internode connecting plate supporting platform 2 and two sides of the internode connecting plate 17 to relatively fix the internode connecting plate 17; the positioning block can be cut off after the integral spot welding or integral welding of the door leaf;
(2) installing a main beam 14: hoisting the main beam 14 to the main beam support platform 3 by using a crown block, enabling the door leaf connecting plate 20 on the main beam 14 to correspond to the large support transverse plate 9, supporting the middle part of the main beam on a main beam support frame, realizing the arrangement of the main beam 14 on the main beam support platform 3, and then aligning the main beam 14 with a main beam central line 25 on a ground sample; in the invention, the main beam 14 can be a box beam consisting of wing plates and web plates;
(3) and (3) mounting the cross beam 15: arranging a cross beam 15 on the cross beam support platform 4, aligning the cross beam 15 with a cross beam central line on a ground sample, wherein the cross beam central line comprises an upper cross beam central line 26, a middle cross beam central line 27 and a lower cross beam central line 28, and fixing two ends of the cross beam 15 with a main beam 14 and an internode connecting plate 17 respectively in a spot welding manner after aligning;
(4) the top beam 16 is installed: arranging a top beam 16 on the top beam support platform 5, and fixing the top beam 16 with the main beam 14 and the internode connecting plate 17 in a spot welding manner; the top beam 16 of the present invention may be a T-beam formed by a web and a wing;
(5) the side wheel supports 19 are mounted: fixing the side wheel supports 19 on the outer side of the main beam 14 in a spot welding mode; in the invention, six side wheel supports 19 are arranged;
(6) secondary beam 18 installation: arranging a secondary beam 18 on the side wheel supports 19 and the cross beam 15, aligning the secondary beam 18 with a secondary beam central line 24 on the ground sample, and fixing the secondary beam 18 with the side wheel supports 19 and the cross beam 15 in a spot welding mode; before the panel 22 is installed, the channel steel can be transversely arranged to detect the radian of the secondary beam 18 and the radian of the main beam 14, and transition polishing treatment is carried out on parts which do not meet the radian requirement, so that the panel is prevented from being propped by the local protrusion; the secondary beam 18 in the present invention may be a T-beam consisting of a web and a wing;
(7) panel 22 mounting: arranging the panels 22 on the secondary beams 18 and the primary beams 14, and fixing by spot welding; punching and smashing central lines of each main beam, each secondary beam and each cross beam by using a sample before the panel 22 is rolled, adjusting a sample punching line to align with the centers of the corresponding samples during assembly, and performing spot welding reinforcement after no error exists;
(8) the installation of the lifting lug 21: the lifting lugs 21 are fixed on the outer side of the top beam 16 in a spot welding mode; the center line corresponding to the lifting lug 21 corresponds to the center line 23 of the internode connecting plate;
the installation sequence of the panel 22 and the lifting lug 21 can be changed because the interference is not generated;
e. door leaf welding: after the integral assembly of the door leaf is finished, the door leaf is qualified through inspection, and reinforcement positioning welding is carried out; welding at symmetrical positions by taking the center line 23 of the internode connecting plate as a symmetrical line; the welding seam with the length more than 1m adopts sectional backing welding;
f. door leaf correction and stress relief: flame correction is carried out on the welded door leaf, and stress relief is carried out by using an aging stress machine after the correction is finished;
g. processing the panel 22: processing the panel 22 according to the process requirements; the panel 22 meets the flatness requirements; because the assembled panel 22 faces upwards, the panel 22 is easy to process, and the panel 22 faces downwards in the conventional horizontal assembling method, the panel 22 needs to be disassembled in a conventional mode during processing, and if the horizontal processing is adopted, the door leaf needs to be turned, so that the door leaf is large in size, and the turning operation wastes time and labor.
Compared with the existing horizontal assembly, the reverse assembly is characterized in that the panel 22 is laid preferentially during assembly, the internode connecting plate 17, the secondary beam 18, the main beam 14, the cross beam 15 and other components are arranged, the arc top of the panel 22 faces downwards during assembly, and related components are reversely assembled by using the support of a special tool during assembly, and a conventional arc-shaped assembly table is abandoned; the invention solves the problem of complex panel processing brought by the traditional assembly method, the panel is directly upward after being assembled, the special tool effectively supports the door leaf, and the panel can be directly processed; the procedures of door leaf overturning, supporting and the like can be reduced, the design process is optimized, and the door leaf production efficiency is favorably improved; the special tool is simple in structure and easy to manufacture, only the main beam 14, the internode connecting plate 17, the cross beam 15 and the top beam 16 of the gate leaf need to be supported, the material consumption is low, the cost is low, the gate leaf can be effectively supported and positioned in the reverse assembling process of the gate leaf of the radial gate, and the rapid assembly of the gate leaf of the radial gate is facilitated; the invention effectively ensures the assembly quality of the radial gate leaves through the positioning property of the reverse assembly platform and the limitation property of ground sample projection.

Claims (3)

1. A hydropower station radial gate leaf reverse assembly method is characterized in that a special tool for the hydropower station radial gate leaf reverse assembly method comprises a rooting foundation and a reverse assembly support platform fixed on the rooting foundation, wherein the reverse assembly support platform comprises an internode connection plate support platform, a main beam support platform, a cross beam support platform and a top beam support platform;
the internode connecting plate supporting tables comprise first supporting vertical plates arranged in parallel and first supporting transverse plates fixed at the tops of the first supporting vertical plates, and the internode connecting plate supporting tables are arranged at intervals from top to bottom;
the main beam supporting platform comprises a connecting plate supporting frame and a main beam supporting frame, the connecting plate supporting frame comprises second supporting vertical plates arranged in parallel and a large supporting transverse plate fixed at the tops of the second supporting vertical plates, the main beam supporting frame comprises third supporting vertical plates arranged in parallel and a small supporting transverse plate fixed at the tops of the third supporting vertical plates, and the two connecting plate supporting frames are respectively positioned at the upper side and the lower side of the main beam supporting frame;
the beam supporting platform comprises an upper beam supporting platform, a middle beam supporting platform and a lower beam supporting platform, the upper beam supporting platform, the middle beam supporting platform and the lower beam supporting platform are sequentially arranged at intervals from top to bottom, and the upper beam supporting platform, the middle beam supporting platform and the lower beam supporting platform are all formed by a plurality of first vertical plates vertically fixed on a rooting base;
the hydropower station radial gate leaf reverse assembly method comprises the following steps:
a. pretreatment of parts: blanking and beveling according to the process requirements, controlling the size deviation, numbering the similar parts, and storing in a classified manner; independently installing and welding a main beam, a secondary beam, a cross beam, a lifting lug and a side wheel support with independence;
b. placing a sample on the ground: on the basis of rooting, a door leaf is put out according to a process diagram and is reversely spliced into a ground sample, and the ground sample is hammered and punched after being verified to be correct;
c. the anti-supporting bench of piecing together sets up: b, further releasing a large sample of the anti-splicing support platform on the ground sample in the step b according to the process drawing, and setting up the anti-splicing support platform according to requirements after rechecking;
d. reverse assembling: assembling door leaves to two sides on the reverse assembling support platform by taking the center as a reference;
e. door leaf welding: after the integral assembly of the door leaf is finished, the door leaf is qualified through inspection, and reinforcement positioning welding is carried out; taking the longitudinal central line of the door leaf as a symmetrical line, and welding symmetrical positions; the welding seam with the length more than 1m adopts sectional backing welding;
f. door leaf correction and stress relief: flame correction is carried out on the welded door leaf, and stress relief is carried out by using an aging stress machine after the correction is finished;
g. panel processing: processing the panel according to the process requirement;
the step of reverse assembling in the step d comprises the following steps:
(1) installing an internode connecting plate: positioning the internode connecting plate on the internode connecting plate supporting platform, enabling the central line of the internode connecting plate to correspond to the central line of the ground sample, and then welding positioning blocks on the internode connecting plate supporting platform and on two sides of the internode connecting plate to relatively fix the internode connecting plate;
(2) main beam installation: arranging a main beam on the main beam support platform, and aligning the main beam with a central line on a ground sample;
(3) mounting a cross beam: arranging a cross beam on the cross beam support platform to align the cross beam with a central line on a ground sample, and fixing two ends of the cross beam with the main beam and the internode connecting plate respectively in a spot welding manner after aligning;
(4) top beam installation: arranging a top beam on the top beam support platform, and fixing the top beam with the main beam and the internode connecting plate in a spot welding manner;
(5) and (3) supporting and mounting side wheels: fixing the side wheel supports on the outer side of the main beam in a spot welding manner;
(6) mounting a secondary beam: arranging a secondary beam on the side wheel support and the cross beam, aligning the secondary beam with a central line on a ground sample, and fixing the secondary beam with the side wheel support and the cross beam through spot welding;
(7) panel installation: arranging the panels on the secondary beam and the main beam, and fixing by spot welding;
(8) mounting a lifting lug: and the lifting lugs are fixed on the outer side of the top beam in a spot welding manner.
2. The method for reversely assembling the blades of the radial gate of the hydropower station as claimed in claim 1, wherein the rooting base is made of a steel plate and is square as a whole.
3. The method for reversely assembling the blades of the sluice gate of the hydropower station as claimed in claim 1, wherein the top beam supporting platform is composed of a plurality of second vertical plates vertically fixed on a rooting base.
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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110722317B (en) * 2019-10-31 2023-06-23 中国铁建重工集团股份有限公司 Block assembly tool and method for block type steel pipe ring
CN113042981B (en) * 2021-04-21 2022-02-01 中国水利水电第十工程局有限公司 End column structure assembling tool and rigid water-stopping herringbone gate manufacturing method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917200B1 (en) * 1970-03-07 1974-04-27
CN102049646B (en) * 2010-12-23 2013-08-14 唐山轨道客车有限责任公司 Tool supporting plate, assembly welding tool and radian profile welding method
CN202539653U (en) * 2012-04-16 2012-11-21 葛洲坝集团机电建设有限公司 Horizontal type machining device for ultra-large arc-shaped gate panel
CN204366315U (en) * 2014-12-10 2015-06-03 广州电力机车有限公司 A kind of electric power wheel self-discharging vehicle front frame assembling mounting tool
CN105458506B (en) * 2015-11-30 2017-05-31 湖北三江航天红阳机电有限公司 The laser welding frock and forming method of thin-wall complicated curved surface nacelle
CN106736138B (en) * 2016-11-29 2018-08-21 中车长江车辆有限公司 A kind of the group mounted welder and assembly welding technique method of the splicing of arc aluminium alloy extrusions
CN107052608B (en) * 2017-06-27 2019-10-22 山东核电设备制造有限公司 A kind of section is the welding method of the arc-shaped welding pieces of L-type

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