CN111648227A - Bridge girder steel structure and welding assembly method thereof - Google Patents
Bridge girder steel structure and welding assembly method thereof Download PDFInfo
- Publication number
- CN111648227A CN111648227A CN202010715320.0A CN202010715320A CN111648227A CN 111648227 A CN111648227 A CN 111648227A CN 202010715320 A CN202010715320 A CN 202010715320A CN 111648227 A CN111648227 A CN 111648227A
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- plate
- side plate
- fixing
- plug
- steel structure
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Abstract
A bridge girder steel structure comprises a right side plate, a top plate, a bottom plate, a left side plate, a fixed plate, a side plate fixed plate and a plug; one side of the top plate and one side of the bottom plate are respectively fixed on the upper side and the lower side of the right side plate, and the left side plate is fixedly arranged on the other side of the top plate and the other side of the bottom plate; the fixed plate is fixedly installed on the top plate and the bottom plate, the side plate fixed plate is fixedly installed on the left side plate and the right side plate, and the plug is fixedly installed between rectangles enclosed by the right side plate, the top plate, the bottom plate and the left side plate. The bridge girder steel structure effectively solves the shearing force problem of bridge girder steel welding, is mainly applied to welding of longer steel girders, and has the characteristics of simple operation, convenient use, good use effect and the like.
Description
Technical Field
The invention belongs to the field of bridge construction, and particularly relates to a bridge girder steel structure and a welding and assembling method thereof.
Background
The bridge is usually made of steel structure, and the high-strength material has the advantages of good homogeneity, easy processing, light components and convenient transportation and erection, thereby being an ideal material for large-span bridges. When the steel structure of the bridge longitudinal beam is welded by the longer steel longitudinal beam, the shearing force is larger, the safety of the bridge cannot be guaranteed, and the service life of the bridge is influenced.
Disclosure of Invention
In order to solve the problems, the invention provides a bridge girder steel structure which comprises a right side plate, a top plate, a bottom plate, a left side plate, a fixing plate, a side plate fixing plate and a plug; one side of the top plate and one side of the bottom plate are respectively fixed on the upper side and the lower side of the right side plate, and the left side plate is fixedly arranged on the other side of the top plate and the other side of the bottom plate; the fixed plate is fixedly installed on the top plate and the bottom plate, the side plate fixed plate is fixedly installed on the left side plate and the right side plate, and the plug is fixedly installed between rectangles enclosed by the right side plate, the top plate, the bottom plate and the left side plate.
Furthermore, the right side plate comprises a first right side plate and a second right side plate, and the left side of the first right side plate and the right side of the second right side plate are spaced and fixedly arranged on the side plate fixing plate; the left side board includes first left side board, second left side board, and first left side board left side and second left side board right side fixed mounting are on the curb plate fixed plate.
Further, the side plate fixing plates comprise a first side plate fixing plate and a second side plate fixing plate; the first side plate fixing plate is fixedly arranged at the joint between the first right side plate and the second right side plate; the second side plate fixing plate is fixedly arranged at the joint between the first left side plate and the second left side plate.
Further, the top plate comprises a first top plate and a second top plate, and the left side of the first top plate and the right side of the second top plate are spaced and fixedly arranged on the fixing plate; the bottom plate includes first bottom plate, second bottom plate, first bottom plate left side and second bottom plate right side fixed mounting are on the fixed plate.
Further, the fixing plate comprises a first fixing plate and a second fixing plate; the first fixing plate is fixedly arranged at the joint between the first top plate and the second top plate; the second fixing plate is fixedly arranged at the joint between the first bottom plate and the second bottom plate.
Furthermore, the plugs comprise a first plug and a second plug; the first plug and the second plug are arranged between rectangular tubes surrounded by the right side plate, the left side plate, the top plate and the bottom plate and are respectively positioned at two ends of the rectangular tubes.
A welding assembly method for a bridge girder steel structure comprises the following steps:
(1) the left side of the first right side plate and the right side of the second right side plate are arranged on the first side plate fixing plate at intervals and are welded;
(2) the left side of the first left side plate and the right side of the second left side plate are arranged on the second side plate fixing plate and are welded;
(3) the left side of the first top plate and the right side of the second top plate are arranged on the first fixing plate at intervals and are welded;
(4) the left side of the first bottom plate and the right side of the second bottom plate are arranged on the second fixing plate and are welded;
(5) screwing the parts welded in the steps (1), (2), (3) and (4) by using screws, and welding the welded parts after enclosing the welded parts into a rectangle;
(6) and (5) welding the first plug and the second plug at two ends of the part finally welded in the step (5).
Compared with the prior art, the bridge girder steel structure and the welding and assembling method thereof have the beneficial effects that:
1. the welding seams are not in the same line by increasing the contact area of welding and staggering the welding seams, and the problem of large shearing force is effectively solved by using the modes of increasing the strength of the bridge through screw connection and the like.
2. The welding device is used for welding longer steel longitudinal beams, and has the characteristics of simplicity in operation, convenience in use, good use effect and the like.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of an embodiment of a steel structure of a bridge girder according to the present invention;
FIG. 2 is another perspective view of an embodiment of a bridge stringer steel structure according to the present invention;
FIG. 3 is an enlarged schematic view of the side plate fixing plate at a in FIG. 1;
FIG. 4 is an enlarged schematic view of the stationary plate at a in FIG. 1;
fig. 5 is an enlarged view of a portion of the plug of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, an embodiment of a steel structure for a bridge girder includes a right side plate 1, a top plate 2, a bottom plate 3, a left side plate 4, a fixing plate 5, a side plate fixing plate 6, and a plug 7; one side of the top plate 2 and one side of the bottom plate 3 are respectively fixed on the upper side and the lower side of the right side plate 1, and the left side plate 4 is fixedly arranged on the other side of the top plate 2 and the other side of the bottom plate 3; the fixed plate 5 is fixedly installed on the top plate 2 and the bottom plate 3, the side plate fixed plate 6 is fixedly installed on the left side plate and the right side plate, and the plug is fixedly installed between rectangles enclosed by the right side plate 1, the top plate 2, the bottom plate 3 and the left side plate 4.
The right side plate 1 comprises a first right side plate 101 and a second right side plate 102, wherein in the embodiment, the first right side plate 101 is 12m long, and the second right side plate 102 is 16m long; the right side of the second right side plate 101 and the left side of the first right side plate 102 are spaced by 20mm, and then fixedly mounted on the first side plate fixing plate 601.
The top plate 2 comprises a first top plate 201 and a second top plate 202, wherein in the embodiment, the first top plate 201 is 12m long, and the second top plate 202 is 16m long; the left side of the first top plate 201 and the left side of the second top plate 202 are spaced apart by 20mm and then fixedly mounted on the first fixing plate 501.
The base plate 3 comprises a first base plate 301 and a second base plate 302, in this embodiment, the first base plate 201 has a length of 12m, and the second base plate 202 has a length of 16 m; the right side of the first base plate 301 and the left side of the second base plate 302 are fixedly mounted on the second fixing plate 502.
The left side plate 4 comprises a first left side plate 401 and a second left side plate 402, wherein in the embodiment, the first left side plate 201 is 12m long, and the second left side plate 202 is 16m long; the right side of the first left side plate 401 and the left side of the second left side plate 402 are fixedly mounted on the second side plate fixing plate 602.
The fixing plate 5 comprises a first fixing plate 501 and a second fixing plate 502; the first fixing plate 501 is fixedly installed at the joint between the first top plate 201 and the second top plate 202; a second fixing plate 502 is fixedly installed at the junction between the first base plate 301 and the second base plate 302.
The side plate fixing plates 6 comprise a first side plate fixing plate 601 and a second side plate fixing plate 602; the first side plate fixing plate 601 is fixedly installed at the joint between the first right side plate 101 and the second right side plate 102; the second side plate fixing plate 602 is fixedly installed at the joint between the first left side plate 401 and the second left side plate 402.
The plug 7 comprises a first plug 701 and a second plug 702; the first plug 701 is fixedly installed between rectangles surrounded by the first right side plate 101, the first left side plate 401, the first top plate 201 and the first bottom plate 301; the second plug 702 is fixedly installed between the rectangles enclosed by the second right side plate 102, the second left side plate 402, the second top plate 202 and the second bottom plate 302.
A welding assembly method for a bridge girder steel structure comprises the following steps:
(1) the left side of the first right side plate 101 and the right side of the second right side plate 102 are fixedly arranged on the first side plate fixing plate 601 at an interval of 20mm for welding;
(2) the left side of the first left side plate 401 and the right side of the second left side plate 402 are fixedly arranged on the second side plate fixing plate 602 to be welded;
(3) the left side of the first top plate 201 and the right side of the second top plate 202 are fixedly arranged on the first fixing plate 501 at an interval of 20mm for welding;
(4) the left side of the first bottom plate 301 and the right side of the second bottom plate 302 are fixedly arranged on the second fixing plate 502 for welding;
(5) screwing the parts welded in the steps (1), (2), (3) and (4) by using screws, and welding the parts after the parts are surrounded into a rectangle;
(6) and (3) welding the first plug 701 and the second plug 702 on the finally welded component in the step (5).
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A bridge girder steel structure comprises a right side plate, a top plate, a bottom plate, a left side plate, a fixed plate, a side plate fixed plate and a plug; the method is characterized in that: one side of the top plate and one side of the bottom plate are respectively fixed on the upper side and the lower side of the right side plate, and the left side plate is fixedly arranged on the other side of the top plate and the other side of the bottom plate; the fixed plate is fixedly installed on the top plate and the bottom plate, the side plate fixed plate is fixedly installed on the left side plate and the right side plate, and the plug is fixedly installed between rectangles enclosed by the right side plate, the top plate, the bottom plate and the left side plate.
2. The bridge girder steel structure of claim 1, wherein: the right side plate comprises a first right side plate and a second right side plate, and the left side of the first right side plate and the right side of the second right side plate are spaced and fixedly arranged on the side plate fixing plate; the left side board includes first left side board, second left side board, and first left side board left side and second left side board right side fixed mounting are on the curb plate fixed plate.
3. The bridge girder steel structure of claim 2, wherein: the side plate fixing plates comprise a first side plate fixing plate and a second side plate fixing plate; the first side plate fixing plate is fixedly arranged at the joint between the first right side plate and the second right side plate; the second side plate fixing plate is fixedly arranged at the joint between the first left side plate and the second left side plate.
4. The bridge girder steel structure of claim 1, wherein: the top plate comprises a first top plate and a second top plate, and the left side of the first top plate and the right side of the second top plate are spaced and fixedly arranged on the fixing plate; the bottom plate includes first bottom plate, second bottom plate, first bottom plate left side and second bottom plate right side fixed mounting are on the fixed plate.
5. The bridge girder steel structure of claim 4, wherein: the fixing plate comprises a first fixing plate and a second fixing plate; the first fixing plate is fixedly arranged at the joint between the first top plate and the second top plate; the second fixing plate is fixedly arranged at the joint between the first bottom plate and the second bottom plate.
6. The bridge girder steel structure of claim 1, wherein: the plugs comprise a first plug and a second plug; the first plug and the second plug are arranged between rectangular tubes surrounded by the right side plate, the left side plate, the top plate and the bottom plate and are respectively positioned at two ends of the rectangular tubes.
7. A welding assembly method for a bridge girder steel structure is characterized by comprising the following steps:
(1) the left side of the first right side plate and the right side of the second right side plate are arranged on the first side plate fixing plate at intervals and are welded;
(2) the left side of the first left side plate and the right side of the second left side plate are arranged on the second side plate fixing plate and are welded;
(3) the left side of the first top plate and the right side of the second top plate are arranged on the first fixing plate at intervals and are welded;
(4) the left side of the first bottom plate and the right side of the second bottom plate are arranged on the second fixing plate and are welded;
(5) screwing the parts welded in the steps (1), (2), (3) and (4) by using screws, and welding the welded parts after enclosing the welded parts into a rectangle;
(6) and (5) welding the first plug and the second plug at two ends of the part finally welded in the step (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010715320.0A CN111648227A (en) | 2020-07-22 | 2020-07-22 | Bridge girder steel structure and welding assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010715320.0A CN111648227A (en) | 2020-07-22 | 2020-07-22 | Bridge girder steel structure and welding assembly method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111648227A true CN111648227A (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010715320.0A Pending CN111648227A (en) | 2020-07-22 | 2020-07-22 | Bridge girder steel structure and welding assembly method thereof |
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| Country | Link |
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| CN (1) | CN111648227A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040074411A (en) * | 2003-02-18 | 2004-08-25 | 주식회사 제일엔지니어링 | Bridge for prestressed concrete beam joint |
| KR20070066521A (en) * | 2005-12-22 | 2007-06-27 | 재단법인 포항산업과학연구원 | Slab supporter with welded splice plate |
| CN101215912A (en) * | 2008-01-10 | 2008-07-09 | 同济大学 | Double corrugated web plate steel box girder |
| CN103343507A (en) * | 2013-07-03 | 2013-10-09 | 中铁大桥勘测设计院集团有限公司 | Composite structure of three main trusses, longitudinal beams, transverse beams and concrete slabs |
| CN208594471U (en) * | 2018-06-26 | 2019-03-12 | 中铁大桥勘测设计院集团有限公司 | A kind of bondbeam that bolt weldering is mixed |
| CN110424242A (en) * | 2019-07-26 | 2019-11-08 | 甘肃路桥建设集团有限公司 | Assembled Wavelike steel webplate steel reinforced concrete composite beam bridge and construction method |
-
2020
- 2020-07-22 CN CN202010715320.0A patent/CN111648227A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040074411A (en) * | 2003-02-18 | 2004-08-25 | 주식회사 제일엔지니어링 | Bridge for prestressed concrete beam joint |
| KR20070066521A (en) * | 2005-12-22 | 2007-06-27 | 재단법인 포항산업과학연구원 | Slab supporter with welded splice plate |
| CN101215912A (en) * | 2008-01-10 | 2008-07-09 | 同济大学 | Double corrugated web plate steel box girder |
| CN103343507A (en) * | 2013-07-03 | 2013-10-09 | 中铁大桥勘测设计院集团有限公司 | Composite structure of three main trusses, longitudinal beams, transverse beams and concrete slabs |
| CN208594471U (en) * | 2018-06-26 | 2019-03-12 | 中铁大桥勘测设计院集团有限公司 | A kind of bondbeam that bolt weldering is mixed |
| CN110424242A (en) * | 2019-07-26 | 2019-11-08 | 甘肃路桥建设集团有限公司 | Assembled Wavelike steel webplate steel reinforced concrete composite beam bridge and construction method |
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Application publication date: 20200911 |