CN218779665U

CN218779665U - Steel member and steel casting splicing welding seam reinforcing node

Info

Publication number: CN218779665U
Application number: CN202220815668.1U
Authority: CN
Inventors: 关巧英; 刘伯顺; 赵妍; 许宏成; 李旭东; 马国润
Original assignee: Tianjin Southeast Steel Structure Co ltd
Current assignee: Tianjin Southeast Steel Structure Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2023-03-31
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses a node is consolidated with steel casting concatenation welding seam to steel member, including steel member, reinforcement welt, stopper welding seam, steel casting, welding seam backing plate and concatenation welding seam, the inside reinforcement welt that has cup jointed of steel member. The utility model discloses it has the plug weld to open at the interior welt of reinforcement, during the use in the workshop preparation interior welt and with the steel member through the plug weld welding together, interior welt plug weld non-open end and steel member tip align, the steel member wall thickness is 1t, reinforcement interior welt thickness is t2, then open a cut in t1+ t2 thickness within range, handle after accomplishing with the welding seam backing plate transport to the scene and through concatenation welding seam and the cast steel member welding of having installed, will splice the welding seam after the welding is accomplished and polish levelly and smoothly, this reinforcement interior welt makes concatenation department welding seam bearing capacity improve, eliminated because of the low potential safety hazard that brings of concatenation welding seam department intensity reduction of cast steel material, because interior welt of reinforcement is inside the steel member, the planarization of component outward appearance has also been guaranteed, make the range of application wider.

Description

Steel member and steel casting splicing welding seam reinforcing node

Technical Field

The utility model relates to a steel member technical field specifically is a node is consolidated with steel casting concatenation welding seam to steel member.

Background

With the continuous development of social economy, steel structures are applied in numerous industrial fields. In the process of applying the steel structure in a building, cast steel nodes are indispensable. Because the cast steel node has the characteristics of diversified structure, attractive appearance, short construction period and the like and good practicability, the cast steel node is mostly adopted in the complex connection of large-span top structures such as large-scale stadiums, theaters, exhibition halls and the like in recent years, and is gradually popularized and applied in bridge engineering. However, as is well known, the strength of the steel casting material is low, the steel casting material is generally made of steel materials above Q355, and in order to achieve the strength equal to that of the steel casting, the wall thickness of the steel casting is thick, so that at the joint, even if the welding material is a welding material matched with the high strength grade of the steel casting, the size of the contact surface between the welding seam and the steel casting is determined by the wall thickness of the steel casting, so that the welding seam connection strength is lower than the strength of the rod piece, and potential safety hazards exist at the weak position formed at the welding seam. At present, the method for reinforcing the welding seam of the steel casting also exists, but certain influence is caused on the appearance, the smoothness of the appearance cannot be ensured, and a plurality of problems or defects exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a node is consolidated with steel casting concatenation welding seam to connect the not good problem that has the potential safety hazard, cause the influence to the appearance of bearing capacity when solving the use that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a node is consolidated with steel casting concatenation welding seam to steel member, includes steel member, reinforcement inside lining board, stopper welding seam, steel casting, welding seam backing plate and concatenation welding seam, the inside reinforcement inside lining board that has cup jointed of steel member, the steel member contains reinforcement inside lining board and steel casting and connects through the concatenation welding seam at the scene concatenation welding seam bottom is provided with the welding seam backing plate.

Preferably, the cross-sectional shape of the steel member can be various types such as circular shape, rectangular shape and the like, and the adaptability is stronger.

Preferably, lining plate endotaxy steel member axial direction is opened in the reinforcement has a plurality of plug weld joints, through the plug weld joint in the reinforcement the welding of liner plate and steel member together, plug weld joint length and width are according to the poor definite of welding seam department intensity of tip steel member and steel casting when not reinforcing, the plug weld joint does not open at the tip thoroughly, and the distance is 50mm, guarantees the integrality of concatenation welding seam.

Preferably, the reinforcing inner liner plate is attached to the inside of the steel member, and has no influence on the external shape.

Preferably, the thickness of the reinforcing inner lining plate is determined according to the strength difference of the welding seams of the end steel member and the steel casting when not reinforcing.

Preferably, welding materials matched with the strength of the steel castings can be still adopted during the welding of the splicing welding seams.

Preferably, the non-open end of the plug weld of the reinforcement lining plate is aligned with the end of the steel member, the wall thickness of the steel member is t1, the thickness of the reinforcement lining plate is t2, and then the end is notched within the thickness range of t1+ t 2.

Compared with the prior art, the beneficial effects of the utility model are that: this steel member and steel casting concatenation welding seam reinforcement node is rational in infrastructure, has following advantage:

(1) The bearing capacity of the splicing welding line is improved by sleeving the reinforcing lining plate in the steel member to increase the contact surface of the splicing welding line with the steel casting, and the potential safety hazard of low strength of the splicing welding line caused by low material quality of the cast steel is eliminated;

(2) The reinforcing lining plate is arranged on the inner side of the steel member, so that the appearance is not influenced and the method is superior to a conventional node reinforcing method;

(3) The splicing welding seam can still adopt welding materials matched with the strength of the steel casting, and the ductility of the splicing welding seam is ensured.

Drawings

Fig. 1 is a schematic front view of the three-dimensional structure of the present invention;

FIG. 2 is a perspective view of the reinforcing lining plate of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of a top view of a partial section structure of the reinforcing lining plate of the present invention.

Fig. 5 is the detailed view of the splicing welding seam of the utility model.

In the figure: 1. a steel member; 2. a reinforcing inner liner plate; 3. plugging a weld; 4. casting steel; 5. a weld backing plate; 6. and (6) splicing the welding seams.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a steel member and steel casting splicing weld joint reinforcing node comprises a steel member 1, a reinforcing inner lining plate 2, a plug weld joint 3, a steel casting 4, a weld joint backing plate 5 and a splicing weld joint 6, wherein the reinforcing inner lining plate 2 is sleeved in the steel member 1, the steel member 1 comprises the reinforcing inner lining plate 2 and the steel casting 4 which are connected through the splicing weld joint 6 on site, and the weld joint backing plate 5 is arranged at the bottom of the splicing weld joint 6;

the cross section of the steel member 1 can be in various shapes such as a circle, a rectangle and the like, and the adaptability is stronger;

the axial direction of a steel member 1 extending in a reinforcing lining plate 2 is provided with a plurality of plug welding seams 3, the plug welding seams 3 are arranged on the reinforcing lining plate 2, the reinforcing lining plate 2 is manufactured in a workshop and is welded with the steel member 1 through the plug welding seams 3 when the steel member is used, the non-open end of the reinforcing lining plate 2 is aligned with the end part of the steel member 1, the wall thickness of the steel member is t1, the thickness of the reinforcing lining plate is t2, then an opening is formed in the thickness range of t1+ t2, after the treatment is finished, the reinforcing lining plate and a welding seam backing plate 5 are transported to the site and are welded with an installed steel casting 4 through a splicing welding seam 6, and the splicing welding seam 6 is polished to be flat after the welding is finished, the strength of the splicing welding seam 6 is improved by the mode, the strength of the splicing welding seam can be as strong as the strength of the steel member 1, and the potential safety hazard of the strength reduction at the splicing welding seam 6 caused by low material of cast steel is eliminated;

the inner lining plate 2 and the steel member 1 are welded together through the plug welding seam 3, the length and the width of the plug welding seam 3 are determined according to the strength difference of the welding seams of the end steel member 1 and the steel casting 4 when the steel is not reinforced, the plug welding seam 3 is not opened through at the end part, the distance is 50mm, and the integrity of the splicing welding seam 6 is ensured. By sleeving the reinforcing inner lining plate 2 on the inner side of the steel member 1, the arrangement has no influence on the appearance and is superior to the conventional node reinforcing method.

The working principle is as follows: during the use, at first in the workshop preparation reinforcement interior bushing plate 2 and with steel member 1 through filling in the welding seam 3 welding together, the non-open end of interior bushing plate 2 of reinforcement aligns with 1 tip of steel member, 1 wall thickness of steel member is t1, 2 thickness in the reinforcement interior bushing plate is t2, then open cut in t1+ t2 thickness within range, handle the completion back and weld backing plate 5 transport to the scene and through concatenation welding seam 6 and the welding of cast steel member 4 that has installed, it is smooth to polish to splice welding seam 6 after the welding completion, the setting up of interior bushing plate 2 of reinforcement makes concatenation welding seam 6 intensity improve, and can reach and steel member intensity equal strength.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a node is consolidated with steel casting concatenation welding seam to steel member, includes steel member (1), reinforcement inside lining board (2), stopper welding seam (3), steel casting (4), welding seam backing plate (5) and concatenation welding seam (6), its characterized in that: inside bushing plate (2) in the reinforcement of having cup jointed of steel member (1), steel member (1) contains bushing plate (2) in the reinforcement and steel casting (4) and connects through concatenation welding seam (6) on the scene concatenation welding seam (6) bottom is provided with welding seam backing plate (5).

2. The steel member and steel casting splicing weld reinforcement node as claimed in claim 1, is characterized in that: the cross-sectional shape of the steel member (1) is circular or rectangular.

3. The steel member and steel casting splicing weld reinforcement node as claimed in claim 1, is characterized in that: prolong steel member (1) axial direction in bushing plate (2) in the reinforcement and open and have a plurality of stopper welding seam (3), through stopper welding seam (3) bushing plate (2) and steel member (1) welding together in the reinforcement, stopper welding seam (3) length and width are according to the poor definite of welding seam department intensity of tip steel member (1) and steel casting (4) when not reinforcing, stopper welding seam (3) do not open at the tip thoroughly, and the distance is 50mm, guarantees the integrality of concatenation welding seam (6).

4. The steel member and steel casting splicing weld reinforcement node as claimed in claim 1, is characterized in that: inside reinforcement inside lining board (2) paste steel member (1), there is not the influence to outside molding.

5. The steel member and steel casting splicing weld reinforcement node as claimed in claim 1, is characterized in that: the thickness of the reinforcing inner lining plate (2) is determined according to the strength difference of the welding seam of the end steel member (1) and the steel casting (4) when the steel is not reinforced.

6. The steel member and steel casting splicing weld reinforcement node as claimed in claim 1, is characterized in that: the splicing welding seam (6) can still adopt welding materials matched with the strength of the steel casting (4) during welding.

7. The steel member and steel casting splicing weld reinforcement node as claimed in claim 1, is characterized in that: the non-open end of plug weld (3) of bushing plate (2) in the reinforcement aligns with steel member (1) tip, steel member (1) wall thickness is t1, bushing plate (2) thickness in the reinforcement is t2, and then the tip is at t1+ t2 within range of thickness division opening.