CN115533457A - A Processing Technology of Flower Basket Type Large Diameter Circular Bridge Deck - Google Patents

Abstract

The invention relates to a basket type large-diameter circular bridge deck processing technology which is characterized by comprising the following steps of: the specific processing technology is as follows: s1: processing a bridge deck support plate; s2: processing a bridge deck; s3: integrally assembling and welding the bridge deck; the bridge deck supporting plate is divided into a plurality of sections, and the U-shaped rib grooves and the stiffening plate grooves on the bridge deck supporting plate unit are directly cut together during cutting and blanking, so that the overall processing efficiency is improved; in addition, the processing of the bridge deck plate adopts a sectional processing mode, the perforated deck plate unit area is independently discharged for blanking cutting and assembly welding, the main deck plate unit is independently processed, and the main deck plate unit are integrally assembled and welded after being processed; the problems that the whole panel is inconvenient to cut and low in efficiency due to the conventional mode of firstly assembling and welding and then cutting the holes are solved.

Description

A Processing Technology of Flower Basket Type Large Diameter Circular Bridge Deck

technical field

The invention relates to the technical field of large-diameter circular bridge deck processing, in particular to a flower basket type large-diameter circular bridge deck processing technology.

Background technique

There are some structural differences between the flower-basket-type large-diameter bridge deck and the conventional bridge deck. The top of the bridge deck support plate is a flat structure and the bottom is an arc-shaped structure; The circular hole structure is used for the installation of the subsequent anchor box structure. Therefore, in the process of processing the large-diameter bridge deck of the flower basket type, the processing of the bridge deck is the same as that of the conventional integral bridge deck. Different, on the one hand, it is necessary to separately process the panel with the circular hole area, and on the other hand, it is necessary to ensure the strength requirements of the panel assembly welding in the circular hole area; therefore, a new processing technology is needed to solve the large diameter circular bridge deck of the flower basket. processing needs.

Contents of the invention

The technical problem to be solved by the present invention is to provide a flower basket-type large-diameter circular bridge deck processing technology, which solves the problem that the conventional bridge deck processing technology cannot meet the processing requirements of the flower-basket type large-diameter circular bridge deck with more circular hole areas The problem.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a flower basket type large-diameter circular bridge deck processing technology, and its innovative point is that the specific processing technology is as follows:

S1: Processing of bridge deck support plate:

S1.1: Bridge deck support plate unit processing: The bridge deck support plate is made of several bridge deck support plate units tailor-welded, each unit of the bridge deck support plate is marked on the plate, and the cutting of the bridge deck support plate unit is drawn Contour lines, U-shaped rib groove lines, and stiffener groove lines; cut and blank the deck support plate units according to the contour lines of each segment, and mark the numbering sequence of the positions; divide the bridge deck support plate units from two Welding starts at the end, and finally welds the middle splicing position to realize the overall tailor welding of the bridge deck support plate unit;

S1.2: Processing of curved bottom plate: the curved bottom plate is set on the bottom end of the bridge deck support plate unit, the curved bottom plate is formed by tailor welding of several curved bottom plate units; the curved bottom plate is cut out of the plate Units, and the arc-shaped bottom plate units are sequentially welded to form an arc-shaped bottom plate, and then the completed arc-shaped bottom plate is welded on the bottom end of the bridge deck support plate unit, and the weld position between the arc-shaped bottom plate units and the bridge deck The position of the welding seam between the support plate units is staggered to realize the processing of the bridge deck support plate;

S2: Processing of bridge deck:

S2.1: Processing of the main panel: Cut and blank the plate according to the size of the main panel unit, weld the cut and blanked main panel unit to form a whole main panel, and draw a U on the back of the whole main panel In the welding area of the ribs, the completed U-shaped ribs are welded on the back of the entire main panel;

S2.2: Processing of perforated panel unit: cutting and blanking the plate according to the size of the perforated panel unit, and completing the outer contour cutting of the perforated area on the perforated panel unit at the same time during cutting and blanking; the cutting and blanking will be completed The perforated panel unit is assembled and welded into a rectangular structure, and a circular hole and a semicircular hole are formed on the edge of the tailor-welded perforated panel unit, and then the circular hole position and the semicircular hole of the perforated panel unit are formed. The hoop is welded at the position of the hole; finally, the U-shaped rib and the stiffener are welded on the back of the bridge deck unit with the hole;

S3: Overall assembly and welding of the bridge deck:

S3.1: The whole bridge deck is welded in the reverse way, and the completed bridge deck is turned over and placed on the tire frame, and the U-shaped rib on the back of the bridge deck is located above the tire frame; Buckle on the back of the bridge deck, and the U-shaped rib groove and stiffener plate groove on the bridge deck support plate correspond to the U-shaped rib and stiffener plate on the back of the bridge deck respectively, and fix the bridge deck support plate with tooling, and complete After fixing, the bridge deck support plate and the bridge deck are welded to complete the overall welding of the bridge deck.

Further, after the overall tailor welding of the bridge deck support plate unit is completed, stiffeners are welded on both sides of the bridge deck support plate unit, and the two ends of the stiffeners are respectively welded to the arc-shaped bottom plate and the bridge deck during subsequent welding. on the back.

The advantages of the present invention are:

1) In the present invention, the bridge deck support plate is divided into several segments, and the U-shaped rib groove and the stiffener plate groove on the bridge deck support plate unit are directly cut together when cutting and blanking, which improves the overall processing efficiency , the bridge deck support plate unit is welded from both ends to the middle, which improves the welding accuracy; in addition, the bridge deck is processed in sections, and the panel unit area with holes is separated for cutting and cutting. Assembling and welding, the main panel unit is processed separately, and then the overall assembly and welding is performed after the two are completed; it avoids the inconvenience and low efficiency of the overall panel cutting caused by the conventional method of first assembling and welding and then cutting holes.

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a processing flow chart of a flower basket type large-diameter circular bridge deck of the present invention.

Fig. 2 to Fig. 5 are state diagrams of processing the bridge deck support plate of a flower basket type large-diameter circular bridge deck of the present invention.

Fig. 6 to Fig. 8 are state diagrams of bridge deck processing of a flower basket type large-diameter circular bridge deck according to the present invention.

9 to 10 are state diagrams of the overall assembly and welding process of a turnbuckle-type large-diameter circular bridge deck of the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in Figures 1 to 10, a flower basket-type large-diameter circular bridge deck processing technology, the specific processing technology is as follows:

S1: Processing of bridge deck support plate:

S1.1: Bridge deck support plate unit processing: The bridge deck support plate is made of several bridge deck support plate units tailor-welded, each unit of the bridge deck support plate is marked on the plate, and the cutting of the bridge deck support plate unit is drawn Contour lines, U-shaped rib groove lines, and stiffener groove lines; cut and blank the deck support plate units according to the contour lines of each segment, and mark the numbering sequence of the positions; divide the bridge deck support plate units from two Welding starts at the end, and finally welds the middle splicing position to realize the overall tailor welding of the bridge deck support plate unit;

S1.2: Processing of curved bottom plate: the curved bottom plate is set on the bottom end of the bridge deck support plate unit, the curved bottom plate is formed by tailor welding of several curved bottom plate units; the curved bottom plate is cut out of the plate Units, and the arc-shaped bottom plate units are sequentially welded to form an arc-shaped bottom plate, and then the completed arc-shaped bottom plate is welded on the bottom end of the bridge deck support plate unit, and the weld position between the arc-shaped bottom plate units and the bridge deck The position of the welding seam between the support plate units is staggered to realize the processing of the bridge deck support plate;

S2: Processing of bridge deck:

S2.1: Processing of the main panel: Cut and blank the plate according to the size of the main panel unit, weld the cut and blanked main panel unit to form a whole main panel, and draw a U on the back of the whole main panel In the welding area of the ribs, the completed U-shaped ribs are welded on the back of the entire main panel;

S2.2: Processing of perforated panel unit: cutting and blanking the plate according to the size of the perforated panel unit, and completing the outer contour cutting of the perforated area on the perforated panel unit at the same time during cutting and blanking; the cutting and blanking will be completed The perforated panel unit is assembled and welded into a rectangular structure, and a circular hole and a semicircular hole are formed on the edge of the tailor-welded perforated panel unit, and then the circular hole position and the semicircular hole of the perforated panel unit are formed. The hoop is welded at the position of the hole; finally, the U-shaped rib and the stiffener are welded on the back of the bridge deck unit with the hole;

S3: Overall assembly and welding of the bridge deck:

S3.1: The whole bridge deck is welded in the reverse way, and the completed bridge deck is turned over and placed on the tire frame, and the U-shaped rib on the back of the bridge deck is located above the tire frame; Buckle on the back of the bridge deck, and the U-shaped rib groove and stiffener plate groove on the bridge deck support plate correspond to the U-shaped rib and stiffener plate on the back of the bridge deck respectively, and fix the bridge deck support plate with tooling, and complete After fixing, the bridge deck support plate and the bridge deck are welded to complete the overall welding of the bridge deck.

After the overall tailor welding of the bridge deck support plate unit is completed, stiffeners are welded on both sides of the bridge deck support plate unit, and the two ends of the stiffener are respectively welded to the arc-shaped bottom plate and the back of the bridge deck during subsequent welding.

Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (2)

1. A processing technology of a flower basket type large-diameter circular bridge deck is characterized in that: the specific processing technology is as follows:

s1: processing of the bridge deck supporting plate:

s1.1: processing a bridge deck support plate unit: the bridge deck supporting plate is formed by welding a plurality of bridge deck supporting plate units together, the marking of each unit of the bridge deck supporting plate is carried out on the plate, and the cutting contour line, the U-shaped rib groove line and the stiffening plate groove line of the bridge deck supporting plate unit are marked; cutting and blanking the bridge deck support plate units according to the contour lines of all the segments, and marking the numbering sequence of the positions; welding the bridge deck supporting plate units from two ends, and finally welding the middle splicing position to realize the integral splice welding of the bridge deck supporting plate units;

s1.2: processing the arc-shaped bottom plate: the arc-shaped bottom plate is arranged at the bottom end of the bridge deck support plate unit and is formed by welding a plurality of arc-shaped bottom plate units; cutting arc-shaped bottom plate units on a plate, sequentially welding and connecting the arc-shaped bottom plate units to form an arc-shaped bottom plate, welding the finished arc-shaped bottom plate on the bottom end of the bridge deck support plate unit, and staggering the positions of welding seams between the arc-shaped bottom plate units and the positions of welding seams between the bridge deck support plate units to realize the processing of the bridge deck support plate;

s2: processing the bridge deck:

s2.1: processing of the main panel: cutting and blanking the plate according to the size of the main panel unit, welding the main panel unit subjected to cutting and blanking to form a whole main panel, scribing a welding area of a U-shaped rib on the back of the whole main panel, and welding the processed U-shaped rib on the back of the whole main panel;

s2.2: processing the perforated panel unit: cutting and blanking the plate according to the size of the perforated panel unit, and finishing the outer contour cutting of the perforated area on the perforated panel unit during cutting and blanking; splicing and welding the cut and blanked perforated panel units into a rectangular structure, forming a circular hole and a semi-circular hole at the edge position on the spliced and welded perforated panel units, and then welding anchor ears at the circular hole position and the semi-circular hole position of the perforated panel units; finally, welding U-shaped ribs and stiffening plates on the back of the perforated bridge deck unit;

s3: integrally assembling and welding the bridge deck:

s3.1: welding the whole bridge deck in a reverse splicing mode, turning the processed bridge deck and placing the front side of the processed bridge deck on a jig frame, wherein U-shaped ribs on the back side of the bridge deck are positioned above the jig frame; the bridge deck supporting plate which is to be processed is reversely buckled on the back surface of the bridge deck plate, the U-shaped rib grooves and the stiffening plate grooves in the bridge deck supporting plate respectively correspond to the U-shaped ribs and the stiffening plates at the back surface of the bridge deck plate, the bridge deck supporting plate is fixed by a tool, the bridge deck supporting plate and the bridge deck plate are welded after the bridge deck supporting plate is fixed, and the whole assembling and welding of the bridge deck plate are completed.

2. The machining process of the flower basket type large-diameter circular bridge deck as claimed in claim 1, wherein the machining process comprises the following steps: after the bridge floor support plate unit is integrally welded, stiffening ribs are welded on two side faces of the bridge floor support plate unit, and two ends of each stiffening rib are respectively welded on the back faces of the arc-shaped bottom plate and the bridge deck in subsequent welding.

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