CN-121988987-A - Modularized manufacturing method of radial gate

CN121988987ACN 121988987 ACN121988987 ACN 121988987ACN-121988987-A

Abstract

The invention discloses a modularized manufacturing method of a radial gate, which relates to the technical field of radial gate manufacturing and comprises the steps of carrying out primary correction on each workpiece according to primary deviation detection results to obtain a primary corrected workpiece group, scanning the primary corrected workpiece group to obtain a workpiece group three-dimensional model, simulating and assembling the workpiece group three-dimensional model according to the workpiece group three-dimensional model to form a single-section door leaf group three-dimensional model, carrying out secondary deviation detection on the single-section door leaf group three-dimensional model according to each single-section door leaf design model, carrying out tertiary deviation detection on the single-section door leaf three-dimensional model according to the single-section door leaf structure design model, assembling the corrected single-section door leaf group to form a single-section door leaf structure, carrying out radian detection on the assembled single-section door leaf structure, and conveying the standard single-section door leaf group subjected to radian detection to a construction site for arc gate assembly. The invention has the advantages of simpler field welding construction process, high production efficiency and high construction accuracy of the radial gate.

Inventors

TIAN WENHENG
WANG CHENG
QIU JIANPING
XU KE
ZHOU JULAN
LI YAHU
YU GUANGYONG
LI YONG
HU MIN
WANG YU

Assignees

中国水利水电第十工程局有限公司

Dates

Publication Date: 20260508
Application Date: 20260127

Claims (10)

1. A method of modular fabrication of a radial gate comprising: Cutting and blanking the steel plate through a numerical control cutting machine to finish single piece cutting of each workpiece according to the design size; assembling and welding the materials into a main beam and a longitudinal separation beam according to the cut materials; assembling the panel and the transverse secondary beams according to the cut material and the designed corresponding radian, and then welding to obtain a panel transverse secondary beam structure; Scanning all the welded main beams, the longitudinal separation beams and the transverse secondary beam structures of the panel to obtain three-dimensional models of all the workpieces, carrying out primary deviation detection on the three-dimensional models of all the workpieces according to the design models of all the workpieces, and carrying out primary correction on all the workpieces according to primary deviation detection results to obtain a primary corrected workpiece group; scanning the once-corrected workpiece group to obtain a three-dimensional model of the workpiece group, splicing the three-dimensional model of the single-section door leaf group according to the three-dimensional model of the workpiece group, wherein the single-section door leaf group comprises a first single-section door leaf and a second single-section door leaf, the first single-section door leaf consists of a main beam, a panel transverse secondary beam structure and a longitudinal beam separation group, the second single-section door leaf consists of a panel transverse secondary beam structure and a longitudinal beam separation group, performing secondary deviation detection on the three-dimensional model of the single-section door leaf group according to the design model of each single-section door leaf, and performing secondary correction on the workpiece group according to a secondary deviation detection result to obtain a twice-corrected workpiece group; assembling and welding the workpiece groups subjected to secondary correction according to the designed corresponding radian to obtain a single-section door leaf group; scanning the single-section door leaf group to obtain a corresponding three-dimensional model, splicing the three-dimensional model of the single-section door leaf group into a three-dimensional model of a single-section door leaf structure, detecting three deviations of the three-dimensional model of the single-section door leaf structure according to the design model of the single-section door leaf structure, and correcting the deviations according to the three deviation detection results to obtain a corrected single-section door leaf group; And splicing the corrected single-section door leaf group into a single-leaf door leaf structure according to the designed corresponding radian, detecting the radian of the spliced single-leaf door leaf structure, and conveying the standard single-section door leaf group detected by the radian to a construction site for field assembly of the radial gate.
2. The method of claim 1, wherein assembling the panels and the transverse sub-beams according to the cut materials and the designed corresponding radians, and then welding, to obtain a plurality of panel transverse sub-beam structures, comprises: Rolling the cut panel into an arc-shaped panel by a plate rolling machine according to the designed corresponding radian; Placing the arc-shaped panel on an arc-shaped template of an arc profiling device, transversely arranging the arc-shaped template, wherein the radian of the arc-shaped template is a corresponding designed radian, and the arc-shaped template can be replaced according to the required radian to tightly attach the arc-shaped panel to the arc-shaped template; Drawing an assembling datum line on the arc-shaped panel, and assembling each transverse secondary beam on the arc-shaped panel in sequence to obtain a single panel transverse secondary beam structure; And (5) hoisting the assembled single panel transverse secondary beam structure to a welding platform to finish welding.
3. The method for modular fabrication of an arcuate gate according to claim 2, wherein a plurality of arcuate templates are provided on the arcuate template assembly, and wherein assembly of a plurality of panel transverse secondary beam structures is performed on the arcuate template assembly.
4. A modular manufacturing method of radial gate according to claim 3, wherein assembling and welding the workpiece group after the secondary correction according to the designed corresponding radian to obtain a single-section gate blade group comprises: placing the panel transverse secondary beam structures on an arc profiling device in sequence, and adjusting the arc panels of the panel transverse secondary beam structures to be attached to corresponding arc templates, wherein the arc templates are of L-shaped structures, and the side surfaces of the panel transverse secondary beam structures are abutted against the vertical plates of the L-shaped structures; welding the spliced welding seams between adjacent panel secondary beam modules to form a single-section door leaf panel secondary beam structure; assembling the main beam, the longitudinal separation beam and the secondary beam structure of the single-section door leaf panel to form a first single-section door leaf structure; Assembling the longitudinal separation beam and the secondary beam structure of the single-section door leaf panel to form a second single-section door leaf structure; Hanging the assembled first single-section door leaf structure and the assembled second single-section door leaf structure on a welding platform to finish welding; The first single-section door leaf structure and the second single-section door leaf structure are arranged according to the gravity center position to turn over and hoist lifting lugs; The suspended overturning and hoisting technology is adopted to finish the overturning of the single-section door leaf structure, so that all welding seams are welded at the flat welding position.
5. The modularized manufacturing method of the radial gate according to claim 1, wherein the first deviation detection, the second deviation detection and the third deviation detection are unified by the following steps: Stably placing a workpiece block to be detected on a support bracket, and then adopting a three-dimensional laser scanner to complete 360-degree full-circle scanning of the module to obtain a three-dimensional model of the workpiece to be detected; Identifying deviation between a three-dimensional model of a workpiece to be detected and a three-dimensional model of a design pattern through collision detection in three-dimensional software; And detecting the size of the workpiece to be detected according to the deviation to obtain a detection result.
6. The method of claim 1, wherein the corrected single-leaf door assembly is placed on an arc detection device, the arc detection device comprises a plurality of lifting devices, an arc detection template and a PLC control system, the top of each lifting device is connected with the bottom support of the arc detection template, the PLC control system is connected with the lifting devices, the corrected single-leaf door assembly is assembled into a single-leaf door structure on the arc detection device, and the arc detection is performed on the assembled single-leaf door structure, and the method comprises the following steps: obtaining the design radian of a single door leaf structure through a PLC control system; controlling the lifting height of each lifting device according to the design radian of the single door leaf structure until the radian of the current arc detection template is adjusted to the design radian of the single door leaf structure; the corrected single-section door leaves are assembled into a single-leaf door leaf structure on the adjusted arc detection template; And the arc detection is carried out on the assembled single door leaf structure by checking the gap between the arc panel of the single door leaf structure and the arc detection template.
7. The modularized manufacturing method of the radial gate according to claim 6, wherein the lifting device comprises an oil cylinder protecting sleeve, a lifting oil cylinder, a hydraulic pump station and a hydraulic oil pipe, the oil cylinder protecting sleeve is embedded in underground concrete, an upper opening is flush with the ground, the bottom end of the oil cylinder protecting sleeve is sealed, a flange is arranged at the top end, the lifting oil cylinder is placed in the oil cylinder protecting sleeve, the outer diameter of the lifting oil cylinder body is equal to the diameter of an inner hole of the oil cylinder protecting sleeve, the bottom end of the lifting oil cylinder body is supported on the lower end face in an oil cylinder protecting sleeve hole, the top end of the lifting oil cylinder body is provided with the flange, the flange at the top end of the lifting oil cylinder body is fixedly connected with the flange at the top end of the oil cylinder protecting sleeve through bolts, the hydraulic pump station is connected with the lifting oil cylinder through the hydraulic oil pipe, the PLC control system automatically stretches out to a set position through a piston rod of the lifting oil cylinder, and the end of the piston rod is connected with the bottom face of the radial detection template through bolts.
8. The method of claim 6, wherein the radius of the inner arc of the arc detection template is equal to the radius of the outer arc of the single leaf structure.
9. A radial gate modular manufacturing method as defined in claim 6, characterized by further comprising: The detection of the dislocation and the gap between adjacent single-section door leaf structures is completed on the arc-shaped detection device, and the detection of the overall size of the structure of the single-section door leaf structure is completed; Measuring and marking a longitudinal central line, a longitudinal central line and a transverse central line of a main beam of a single leaf structure on the single leaf structure, and arranging a centering device between adjacent single leaf structures; and splitting the single door leaf structure into a first single-section door leaf structure and a second single-section door leaf structure from the arc-shaped detection device to obtain the standard single-section door leaf group.
10. The method of claim 9, wherein correcting each workpiece once based on the primary deviation detection results comprises correcting the deviation of the radian and straightness of the panel transverse secondary beam structure welded by the bridge correction device.

Description

Modularized manufacturing method of radial gate Technical Field The invention relates to the technical field of radial gate manufacturing, in particular to a radial gate modularized manufacturing method. Background In the manufacture of the radial gate, the traditional manufacturing method is that the integral assembly and integral welding of the radial gate structure are realized by the traditional manufacturing method, namely, all parts of the radial gate panel, the main beam, the middle beam, the transverse secondary beam, the side separation beam and other gate structures are assembled into a whole on an arc platform of a construction site, and the welding seam of the corresponding welding seam is completed in the integral state due to the characteristics of large outline dimension of the radial gate, small number of main beams, poor transverse rigidity of single-section gate leaves, asymmetric distribution of welding seams and the like. The traditional manufacturing method is completed on the arc-shaped tire membrane, multiple persons are needed to cooperatively work, particularly welding is performed, vertical welding and overhead welding are large in quantity, welding efficiency is low, a plurality of to ten more welders are needed to symmetrically distribute and cooperatively weld in order to reduce welding deformation, the time required from assembly to welding is long from beginning to completion, the linear construction period is occupied, the large-area occupied space is long, the working face is single, working procedure circulation is slow, production efficiency is low, operators work back and forth between each beam grid, auxiliary time is long, and unsafe factors are many. Accordingly, a radial gate modular fabrication method has been developed to address the above-described problems. Disclosure of Invention The invention provides a modularized manufacturing method of an arc gate, which aims to solve the problems of complex field welding construction procedures, low production efficiency and low construction accuracy of the existing arc gate. The invention realizes the above purpose through the following technical scheme: The invention discloses a modularized manufacturing method of an arc gate, which comprises the following steps: Cutting and blanking the steel plate through a numerical control cutting machine to finish single piece cutting of each workpiece according to the design size; assembling and welding the materials into a main beam and a longitudinal separation beam according to the cut materials; assembling the panel and the transverse secondary beams according to the cut material and the designed corresponding radian, and then welding to obtain a panel transverse secondary beam structure; Scanning all the welded main beams, the longitudinal separation beams and the transverse secondary beam structures of the panel to obtain three-dimensional models of all the workpieces, carrying out primary deviation detection on the three-dimensional models of all the workpieces according to the design models of all the workpieces, and carrying out primary correction on all the workpieces according to primary deviation detection results to obtain a primary corrected workpiece group; scanning the once-corrected workpiece group to obtain a three-dimensional model of the workpiece group, splicing the three-dimensional model of the single-section door leaf group according to the three-dimensional model of the workpiece group, wherein the single-section door leaf group comprises a first single-section door leaf and a second single-section door leaf, the first single-section door leaf consists of a main beam, a panel transverse secondary beam structure and a longitudinal beam separation group, the second single-section door leaf consists of a panel transverse secondary beam structure and a longitudinal beam separation group, performing secondary deviation detection on the three-dimensional model of the single-section door leaf group according to the design model of each single-section door leaf, and performing secondary correction on the workpiece group according to a secondary deviation detection result to obtain a twice-corrected workpiece group; assembling and welding the workpiece groups subjected to secondary correction according to the designed corresponding radian to obtain a single-section door leaf group; scanning the single-section door leaf group to obtain a corresponding three-dimensional model, splicing the three-dimensional model of the single-section door leaf group into a three-dimensional model of a single-section door leaf structure, detecting three deviations of the three-dimensional model of the single-section door leaf structure according to the design model of the single-section door leaf structure, and correcting the deviations according to the three deviation detection results to obtain a corrected single-section door leaf group; And splicing the corrected single-section door