CN115262364A - N-shaped decorative steel box on bridge tower and assembling process thereof - Google Patents

Abstract

The invention relates to an N-shaped decorative steel box body on a bridge tower and an assembling process thereof, which are characterized in that: comprises a main panel, a curved plate, a clapboard, a stiffening plate and a side sealing plate; the specific assembly process is as follows: s1: dividing the N-type decorative steel box body; s2: assembling a lower panel; s3: the lower panel is assembled and welded with the partition plate and the stiffening plate; s4: assembling and welding side sealing plates; s5: assembling and welding the upper panel; s6: integrally assembling and welding; through the through hole for accommodating the steel beam to pass through is formed in the middle of the N-shaped decorative steel box body, on one hand, the N-shaped decorative steel box body can completely wrap the steel beam to beautify the steel beam; on the other hand, the connecting area between the two side surfaces of the N-shaped decorative steel box body and the main tower body can be increased, and the connecting strength of the steel beam on the main tower body is increased; the N-shaped decorative steel box body on the bridge tower is divided into three sections of structures along the length direction, the three sections are welded during assembly, the assembly efficiency is higher, the integral integrity of the steel truss beam passing through the area can be guaranteed, and the structural strength is guaranteed.

Description

An N-shaped decorative steel box on a bridge tower and its assembly process

technical field

The invention relates to the technical field of assembling N-shaped decorative steel boxes on bridge towers, in particular to an N-shaped decorative steel box on bridge towers and an assembly process thereof.

Background technique

A general cable-stayed bridge is provided with a main tower structure, and the beams are commonly connected in the main tower structure; usually there are steel box structures of various shapes for beautification and decoration; among them, there are N-shaped steel box bodies connected in Between the main towers; this steel box structure can wrap the entire beam in a decorative N-shaped steel box to beautify the beam and increase the connection area with the main tower.

Contents of the invention

The technical problem to be solved by the present invention is to provide an N-shaped decorative steel box on the bridge pylon and its assembly process, which can solve the problem that the top of the main tower of a general bridge is connected with a beam structure that affects the appearance, and the connection between the main tower and the main tower. The problem that the small connection area affects the connection strength, and the cumbersome assembly process of the overall structure.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: an N-shaped decorative steel box on a bridge pylon, and its innovative point is that it includes a main panel, a curved panel, a partition, a stiffening panel and a side sealing panel;

The main panel includes an upper panel and a lower panel; both the upper panel and the lower panel have an N-shaped structure and are arranged parallel to each other; the curved panel is arranged at the corner position of the upper panel and the corner position of the lower panel, and the curved panel The surface is concave arc-shaped; the two sides of the curved panel are respectively connected to the edge positions of the corners of the main panel;

The partitions have several and are vertically connected to the upper panel and the lower panel; the partitions are laid at equal intervals from the two ends of the main panel to the middle direction, and the total lengths of the respective partitions laid in the direction of the two ends of the main panel are not More than 1/3 of the total length of the main panel; the middle position of the main panel forms a cavity for the passage of the beam, and the inner wall of the main panel at the cavity forms an installation area for installing a stiffener;

The stiffening plates have several and are arranged parallel to the partition; the stiffening plates are respectively vertically arranged on the upper panel and the lower panel;

The side sealing plate is connected to the outer contour of the main panel and the outer contour of the curved panel along the circumferential direction.

An assembly process of N-shaped decorative steel boxes on bridge towers: the innovation point is that the specific assembly process is as follows:

S1: Division of N-shaped decorative steel cabinets: Divide the N-shaped decorative steel cabinets in the length direction according to the partition area and the stiffening plate area, and divide them into three plates, which are the upper partition plate, the stiffening plate plate and the lower partition. Slabs; at the same time, divide the upper and lower baffles into two in the width direction; the stiffening slabs are divided into two symmetrically in the center;

S2: Assembling of the lower panel: On the assembled tire frame, the lower panels of the upper diaphragm plate, the stiffener plate and the lower diaphragm plate are positioned according to the assembled positions on the assembled tire frame, and the lower panels between the three plates are There is an assembly gap between the panels; the curved panel connected to the lower panel is positioned on the assembled tire frame, and the welding between the curved panel and the lower panel is completed at the same time;

S3: Welding partitions and stiffeners on the lower panel: Weld the partitions and stiffeners on the surface of the lower panel according to the designated installation positions of the partitions and stiffeners on the lower panel;

S4: Assembling welding side sealing plate: the side sealing plate first welds the weld seam between the bottom end of the side sealing plate and the lower panel, and then welds the weld seam between the side sealing plate and the partition;

S5: Assembling and welding the upper panel: first place the upper panel of the stiffening plate on the assembled tire frame, and weld the stiffening plate on the upper panel according to the designated position; then use the positioning line on the bridge tower as a reference, Assemble the upper panel unit, focus on controlling the longitudinal position of the transverse base line of each upper panel so that it is on a straight line, monitor the height of the N-shaped decorative box with a level gauge, and complete the upper partition board, stiffening board board and lower partition after passing the inspection The upper panel of the three plates and the weld seam of the clapboard;

S6: Integral assembly and welding: The upper diaphragm plate, the stiffener plate and the lower diaphragm plate are integrally assembled and welded on the tire frame, and trimmed after the welding is completed, and the weld position is polished at the same time.

Further, in the above S3: In assembling and welding the bulkhead and the stiffener on the lower panel, the lower panel is placed on the anti-deformation welding platform for welding.

The advantages of the present invention are:

1) In the present invention, by setting a through hole in the middle of the N-shaped decorative steel box to accommodate the passage of the steel beam, on the one hand, the N-shaped decorative steel box can completely wrap the steel beam to beautify the steel beam; on the other hand The two sides of the N-shaped decorative steel box can increase the connection area with the main tower, and increase the connection strength of the steel beam on the main tower; the N-shaped decorative steel box on the bridge tower is divided into two parts along the length direction The three-section structure is more efficient when it is divided into three sections during assembly, and it can ensure the overall integrity of the steel truss beam passing area and ensure the structural strength.

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 structural state view of an N-shaped decorative steel box on a bridge pylon according to the present invention.

Fig. 2 is an overall structural diagram of an N-shaped decorative steel box on a pylon of the present invention.

Fig. 3 is an internal structure diagram of an N-shaped decorative steel box on a pylon of the present invention.

Fig. 4 to Fig. 7 are state diagrams of the assembling process of an N-shaped decorative steel box body on a bridge pylon according to the present invention.

Detailed ways

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.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that a component is absolutely level or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

An N-shaped decorative steel box on a bridge pylon as shown in FIGS.

The main panel 1 includes an upper panel 11 and a lower panel 12; the upper panel 11 and the lower panel 12 are N-shaped structures and arranged parallel to each other; the curved panel 2 is arranged at the corner position of the upper panel 11 and the corner position of the lower panel 12, and the curved The surface of the panel 2 is in a concave arc shape; the two sides of the curved panel 2 are respectively connected to the edge positions of the corners of the main panel 1 .

The partitions 3 have several and are vertically connected on the upper panel 11 and the lower panel 12; The total length does not exceed 1/3 of the total length of the main panel; the middle position of the main panel 1 forms a cavity for accommodating beams to pass through, and the inner wall of the main panel 1 at the cavity forms an installation area for installing stiffeners.

There are several stiffening plates 4 arranged parallel to the partition 3; the stiffening plates 4 are vertically arranged on the upper panel 11 and the lower panel 12 respectively.

The side sealing plate 5 is connected to the outer contour of the main panel and the outer contour of the curved panel along the circumferential direction.

A kind of assembly process of N-shaped decorative steel box on the bridge tower: the specific assembly process is as follows:

S1: Division of N-shaped decorative steel cabinets: Divide the N-shaped decorative steel cabinets in the length direction according to the partition area and the stiffening plate area, and divide them into three plates, which are the upper partition plate, the stiffening plate plate and the lower partition. Slabs; at the same time, divide the upper and lower baffles into two in the width direction; the stiffening slabs are divided into two symmetrically in the center;

S2: Assembling of the lower panel: On the assembled tire frame, the lower panels of the upper diaphragm plate, the stiffener plate and the lower diaphragm plate are positioned according to the assembled positions on the assembled tire frame, and the lower panels between the three plates are There is an assembly gap between the panels; the curved panel connected to the lower panel is positioned on the assembled tire frame, and the welding between the curved panel and the lower panel is completed at the same time;

S3: Welding partitions and stiffeners on the lower panel: Weld the partitions and stiffeners on the surface of the lower panel according to the designated installation positions of the partitions and stiffeners on the lower panel;

S4: Assembling welding side sealing plate: the side sealing plate first welds the weld seam between the bottom end of the side sealing plate and the lower panel, and then welds the weld seam between the side sealing plate and the partition;

S5: Assembling and welding the upper panel: first place the upper panel of the stiffening plate on the assembled tire frame, and weld the stiffening plate on the upper panel according to the designated position; then use the positioning line on the bridge tower as a reference, Assemble the upper panel unit, focus on controlling the longitudinal position of the transverse base line of each upper panel so that it is on a straight line, monitor the height of the N-shaped decorative box with a level gauge, and complete the upper partition board, stiffening board board and lower partition after passing the inspection The upper panel of the three plates and the weld seam of the clapboard;

S6: Integral assembly and welding: The upper diaphragm plate, the stiffener plate and the lower diaphragm plate are integrally assembled and welded on the tire frame, and trimmed after the welding is completed, and the weld position is polished at the same time.

S3: In the assembly of welding partitions and stiffeners on the lower panel, the lower panel is placed on the anti-deformation welding platform for welding.

The working principle of the present invention is: by setting a through hole in the middle of the N-shaped decorative steel box to accommodate the passage of the steel beam, on the one hand, the N-shaped decorative steel box can completely wrap the steel beam to beautify the steel beam; On the one hand, the two sides of the N-shaped decorative steel box can increase the connection area with the main tower, and increase the connection strength of the steel beam on the main tower; the N-shaped decorative steel box on the bridge tower along the length direction Divided into three-section structure, it is more efficient to divide into three-section welding assembly during assembly, and it can ensure the overall integrity of the steel truss beam passing area and ensure the structural strength.

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 (3)

1. An N-shaped decorative steel box on a bridge pylon, characterized in that: it includes a main panel, a curved panel, a dividing plate, a stiffening plate and a side sealing plate; The main panel includes an upper panel and a lower panel; both the upper panel and the lower panel have an N-shaped structure and are arranged parallel to each other; the curved panel is arranged at the corner position of the upper panel and the corner position of the lower panel, and the curved panel The surface is concave arc-shaped; the two sides of the curved panel are respectively connected to the edge positions of the corners of the main panel; The partitions have several and are vertically connected to the upper panel and the lower panel; the partitions are laid at equal intervals from the two ends of the main panel to the middle direction, and the total lengths of the respective partitions laid in the direction of the two ends of the main panel are not More than 1/3 of the total length of the main panel; the middle position of the main panel forms a cavity for the passage of the beam, and the inner wall of the main panel at the cavity forms an installation area for installing a stiffener; The stiffening plates have several and are arranged parallel to the partition; the stiffening plates are respectively vertically arranged on the upper panel and the lower panel; The side sealing plate is connected to the outer contour of the main panel and the outer contour of the curved panel along the circumferential direction. 2. An assembling process of an N-shaped decorative steel box on a bridge pylon: it is characterized in that: the specific assembling process is as follows: S1: Division of N-shaped decorative steel cabinets: Divide the N-shaped decorative steel cabinets in the length direction according to the partition area and the stiffening plate area, and divide them into three plates, which are the upper partition plate, the stiffening plate plate and the lower partition. Slabs; at the same time, divide the upper and lower baffles into two in the width direction; the stiffening slabs are divided into two symmetrically in the center; S2: Assembling of the lower panel: On the assembled tire frame, the lower panels of the upper diaphragm plate, the stiffener plate and the lower diaphragm plate are positioned according to the assembled positions on the assembled tire frame, and the lower panels between the three plates are There is an assembly gap between the panels; the curved panel connected to the lower panel is positioned on the assembled tire frame, and the welding between the curved panel and the lower panel is completed at the same time; S3: Welding partitions and stiffeners on the lower panel: Weld the partitions and stiffeners on the surface of the lower panel according to the designated installation positions of the partitions and stiffeners on the lower panel; S4: Assembling welding side sealing plate: the side sealing plate first welds the weld seam between the bottom end of the side sealing plate and the lower panel, and then welds the weld seam between the side sealing plate and the partition; S5: Assembling and welding the upper panel: first place the upper panel of the stiffening plate on the assembled tire frame, and weld the stiffening plate on the upper panel according to the designated position; then use the positioning line on the bridge tower as a reference, Assemble the upper panel unit, focus on controlling the longitudinal position of the transverse base line of each upper panel so that it is on a straight line, monitor the height of the N-shaped decorative box with a level gauge, and complete the upper partition board, stiffening board board and lower partition after passing the inspection The upper panel of the three plates and the weld seam of the clapboard; S6: Integral assembly and welding: The upper diaphragm plate, the stiffener plate and the lower diaphragm plate are integrally assembled and welded on the tire frame, and trimmed after the welding is completed, and the weld position is polished at the same time. 3. The assembly process of an N-shaped decorative steel box on a bridge pylon according to claim 2, characterized in that: said S3: the lower panel is assembled and welded in the bulkhead and the stiffener, and the lower panel is placed on the anti-deformation Welding on the welding platform.

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