CN217460217U

CN217460217U - Box girder structure with welding channel

Info

Publication number: CN217460217U
Application number: CN202221284478.8U
Authority: CN
Inventors: 徐建军; 陈军; 杨进; 李强; 韩玮伦; 张思博
Original assignee: China Construction Eighth Engineering Division Co Ltd
Current assignee: China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-09-20
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses a box girder structure with welding channels, which comprises a bottom plate (1), side seal supporting pieces (2), a transverse plate (3), a top plate (4), a web plate (5) and side seal plates (6); the pair of web plates are welded at the two side ends of the top of the bottom plate, the pair of side sealing plates are welded at the two side ends of the bottom plate, the top plate is welded at the tops of the bottom plate, the web plates and the side sealing plates, the pair of side sealing supporting pieces are welded at the two ends of the bottom plate, and each side sealing supporting piece is connected with the pair of web plates and the pair of side sealing plates; the diaphragm is established in the case roof beam inner space that a pair of web, roof, bottom plate, a pair of side seal support piece enclose along the case roof beam axial, and a pair of side seal support piece middle part is formed with opening (7), and the diaphragm middle part all is formed with the through-hole, and opening and a plurality of through-hole form passageway (8) in case roof beam inner space. The utility model discloses can keep somewhere the passageway in the case roof beam, the welding jobs between self part and case roof beam and the case roof beam of being convenient for has guaranteed welded joint's structural strength.

Description

Box girder structure with welding channel

Technical Field

The utility model relates to a case roof beam technical field especially relates to a case roof beam structure with welding passageway.

Background

The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on bridges with large span and is called as a steel box girder because the steel box girder is like a box. The box girder is generally formed by connecting a top plate, a bottom plate, a web plate, a transverse clapboard, a longitudinal clapboard, a stiffening rib and the like in an all-welded mode. In the steel box in the prior art, the cross beam is usually fixed in a direct welding mode, but due to the limitation of an operation space, the cross beam has the problem of difficult welding in the welding process, the welding quality is influenced, the overall structural strength of the box beam is poor, and the safety performance is reduced.

Disclosure of Invention

An object of the utility model is to provide a case roof beam structure with welding passageway can keep somewhere the passageway in the case roof beam, and the welding operation has guaranteed welded joint's structural strength between self part and case roof beam and the case roof beam of being convenient for.

The utility model discloses a realize like this:

a box girder structure with welding channels comprises a bottom plate, side seal supporting pieces, a transverse plate, a top plate, a web plate and side seal plates; the pair of web plates are respectively welded at two side ends of the top of the bottom plate, the pair of side sealing plates are respectively welded at two side ends of the bottom plate, and the side sealing plates are of cambered surface structures and are arranged around the outer sides of the web plates; the top plate is welded on the tops of the bottom plate, the pair of web plates and the pair of side sealing plates, the pair of side sealing supporting pieces are respectively welded on two ends of the bottom plate, and each side sealing supporting piece is connected with the end parts of the pair of web plates and the pair of side sealing plates; the transverse plates are arranged in the inner space of the box girder enclosed by the pair of web plates, the top plate, the bottom plate and the pair of side sealing supporting pieces, and the plurality of transverse plates are distributed at intervals along the axial direction of the box girder; the middle part of a pair of side seal support piece is formed with the opening, and the middle part of a plurality of diaphragm all is formed with the through-hole, makes opening and a plurality of through-hole form the passageway in case roof beam inner space.

A manhole is formed on the top plate and communicated with the channel.

The side seal support piece and the bottom of diaphragm all be equipped with a plurality of first slot at an interval, the top surface of bottom plate is equipped with a plurality of first picture peg at an interval, first picture peg can match and insert in first slot, make side seal support piece and diaphragm and bottom plate peg graft and fix.

The top of side seal support piece and diaphragm all the interval be equipped with a plurality of second slot, the interval is equipped with a plurality of second picture peg on the bottom surface of roof, the second picture peg can match and insert in the second slot, make side seal support piece and diaphragm and roof peg graft and fix.

Stress holes are formed in the side seal supporting piece, and the two stress holes are symmetrically arranged on two sides of the through opening.

The side sealing plates, the web plates and the top plate are arranged in a space defined by the side sealing plates, the web plates and the top plate, and the plurality of reinforcing plates are arranged at intervals along the axial direction of the box girder.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses owing to be equipped with passageway and manhole, make things convenient for welding personnel to get into in the passageway to be convenient for accomplish between inside diaphragm of case roof beam and bottom plate, the roof and the welding operation between web and bottom plate, the roof, also be convenient for carry out the internal weld at the tip that steel case roof beam and steel case roof beam, steel case roof beam and steel lid roof beam dock each other, be favorable to improving the welding quality and the welding efficiency of case roof beam.

2. The utility model discloses owing to be equipped with first slot and first picture peg and second slot and second picture peg, it is convenient to peg graft and lay, labour saving and time saving, and cooperation welding process can improve the welding stability and the joint strength of bottom plate, side seal support piece, diaphragm and roof to whole case beam structure's stable in structure has been guaranteed.

Drawings

FIG. 1 is a perspective view of a box girder construction with welded channels according to the present invention;

FIG. 2 is an exploded view of the box beam structure with welded channels of the present invention;

fig. 3 is a schematic structural view of the top plate in the box girder structure with the welding passage of the present invention.

In the figure, 1, a bottom plate; 2. a side seal support; 3. a transverse plate; 4. a top plate; 5. a web; 6. a side sealing plate; 7. a port; 8. a channel; 9. a first slot; 10. a first board insert; 11. a second slot; 12. a second board plug; 13. a manhole; 14. a reinforcing plate; 15. stress holes.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 and 2, a box girder structure with welding channels comprises a bottom plate 1, side seal supports 2, a transverse plate 3, a top plate 4, a web 5 and side seal plates 6; a pair of web plates 5 are respectively welded at two side ends of the top of the bottom plate 1, a pair of side sealing plates 6 are respectively welded at two side ends of the bottom plate 1, and the side sealing plates 6 are of cambered surface structures and surround the outer sides of the web plates 5; the top plate 4 is welded on the tops of the bottom plate 1, the pair of web plates 5 and the pair of side sealing plates 6, the pair of side sealing supports 2 are respectively welded on two ends of the bottom plate 1, and each side sealing support 2 is connected with the ends of the pair of web plates 5 and the pair of side sealing plates 6; the transverse plates 3 are arranged in the inner space of the box girder surrounded by the pair of web plates 5, the top plate 4, the bottom plate 1 and the pair of side sealing support pieces 2, and the plurality of transverse plates 3 are distributed at intervals along the axial direction of the box girder; the middle part of a pair of side seal support piece 2 is formed with opening 7, and the middle part of a plurality of diaphragm 3 all is formed with the through-hole, makes opening 7 and a plurality of through-hole form passageway 8 in case roof beam inner space. Welding personnel accessible through 7 entering passageway 8 to accomplish between bottom plate, the roof in passageway 8, the welding jobs between web and bottom plate, the roof ensures the structural stability of case roof beam, can realize welding jobs at the tip of passageway 8 when case roof beam and case roof beam butt joint, case roof beam and bent cap butt joint simultaneously, guarantee the reliable welding when case roof beam and case roof beam, case roof beam and bent cap butt joint.

Referring to fig. 1 and 3, a manhole 13 is formed on the top plate 4, and the manhole 13 is communicated with the channel 8 to facilitate the entry and exit of people.

Referring to fig. 2, a plurality of first slots 9 are formed at intervals at the bottoms of the side sealing supporting member 2 and the transverse plate 3, a plurality of first inserting plates 10 are formed at intervals on the top surface of the bottom plate 1, and the first inserting plates 10 can be inserted into the first slots 9 in a matching manner, so that the side sealing supporting member 2 and the transverse plate 3 are inserted into and fixed with the bottom plate 1. Through the setting of first slot 9 and second slot 10, can realize the slip grafting between bottom plate 1 and side seal support piece 2 and the diaphragm 3, through welded fastening after the grafting, can improve the joint strength between bottom plate 1 and side seal support piece 2 and the diaphragm 3. The number of the first slots 9 is the same as that of the second slots 10, and the specific number can be determined according to the size of the box girder.

Referring to fig. 2 and fig. 3, a plurality of second slots 11 are formed at intervals on the top of the side sealing supporting member 2 and the top of the horizontal plate 3, a plurality of second inserting plates 12 are formed at intervals on the bottom surface of the top plate 1, and the second inserting plates 12 can be inserted into the second slots 11 in a matching manner, so that the side sealing supporting member 2 and the horizontal plate 3 are inserted into and fixed to the top plate 4. Through the setting of second slot 11 and second picture peg 12, can realize roof 4 and the side seal slip grafting between support piece 2 and the diaphragm 3, through welded fastening after pegging graft, can improve roof 4 and side seal between support piece 2 and the diaphragm 3 joint strength. The number of the second slots 11 is the same as that of the second inserting plates 12, and the specific number can be determined according to the size of the box girder.

Referring to fig. 2, a reinforcing plate 14 is arranged in a space enclosed by the side sealing plates 6, the web 5 and the top plate 4, and a plurality of reinforcing plates 14 are arranged at intervals along the axial direction of the box girder. Can promote side seal board 6's structural stability through setting up of reinforcing plate 14, prevent that cambered surface structure's side seal board 6 atress from warping after, guarantee that cambered surface structure's side seal board 6's appearance is pleasing to the eye.

Referring to fig. 1, the side seal supporting member 2 is formed with two stress holes 15, and the two stress holes 15 are symmetrically disposed on two sides of the through opening 7. The stress hole 15 can release stress generated when the box girder is used or installed, thereby ensuring stability of the entire structure.

Referring to fig. 1 to 3, when the box girder is welded, a welder can conveniently enter the channel 8 by arranging the channel 8 and the manhole 13, so that the inner welding can be conveniently carried out on the butt joint end parts of the box girder and the cover girder, and the welding between the transverse plate 3 and the bottom plate 1 and the top plate 4, and the welding between the web 5 and the bottom plate 1 and the top plate 4. The first inserting plate 10 extends into the first slot 9, the second inserting plate 12 extends into the second slot 11, and the stability and the connection strength of the structure can be improved by matching with a welding process. After the welding is completed, the manhole 13 can be plugged by a sealing plate.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a case roof beam structure with welding passageway, characterized by: comprises a bottom plate (1), side seal supporting pieces (2), a transverse plate (3), a top plate (4), a web plate (5) and side seal plates (6); a pair of web plates (5) are respectively welded at two side ends of the top of the bottom plate (1), a pair of side sealing plates (6) are respectively welded at two side ends of the bottom plate (1), and the side sealing plates (6) are of cambered surface structures and are arranged around the outer sides of the web plates (5); the top plate (4) is welded on the tops of the bottom plate (1), the pair of web plates (5) and the pair of side sealing plates (6), the pair of side sealing supports (2) are respectively welded on two ends of the bottom plate (1), and each side sealing support (2) is connected with the end parts of the pair of web plates (5) and the pair of side sealing plates (6); the transverse plates (3) are arranged in an inner space of the box girder surrounded by the pair of webs (5), the top plate (4), the bottom plate (1) and the pair of side sealing supporting pieces (2), and the plurality of transverse plates (3) are distributed at intervals along the axial direction of the box girder; the middle part of a pair of side seal support piece (2) is formed with opening (7), and the middle part of a plurality of diaphragm (3) all is formed with the through-hole, makes opening (7) and a plurality of through-hole form passageway (8) in case roof beam inner space.

2. The box beam structure with weld channel of claim 1, wherein: a manhole (13) is formed on the top plate (4), and the manhole (13) is communicated with the channel (8).

3. The box beam structure with weld channel of claim 1, wherein: the bottom of side seal support piece (2) and diaphragm (3) all the interval be equipped with first slot (9) of a plurality of, the interval is equipped with a plurality of first picture peg (10) on the top surface of bottom plate (1), first picture peg (10) can match and insert in first slot (9), make side seal support piece (2) and diaphragm (3) peg graft and fix with bottom plate (1).

4. A box beam structure with weld channels as claimed in claim 1 or 3, wherein: the top of side seal support piece (2) and diaphragm (3) all the interval be equipped with a plurality of second slot (11), the interval is equipped with a plurality of second picture peg (12) on the bottom surface of roof (4), second picture peg (12) can match and insert in second slot (11), make side seal support piece (2) and diaphragm (3) peg graft and fix with roof (4).

5. The box beam structure with weld channel of claim 4, wherein: stress holes (15) are formed in the side seal supporting piece (2), and the two stress holes (15) are symmetrically arranged on two sides of the through opening (7).

6. The box beam structure with weld channel of claim 1, wherein: the box girder is characterized in that a reinforcing plate (14) is arranged in a space surrounded by the side sealing plates (6), the web plate (5) and the top plate (4), and the plurality of reinforcing plates (14) are arranged at intervals along the axial direction of the box girder.