CN215669070U - Auxiliary device for splicing steel box girders - Google Patents
Auxiliary device for splicing steel box girders Download PDFInfo
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- CN215669070U CN215669070U CN202122255379.9U CN202122255379U CN215669070U CN 215669070 U CN215669070 U CN 215669070U CN 202122255379 U CN202122255379 U CN 202122255379U CN 215669070 U CN215669070 U CN 215669070U
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- box girder
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Abstract
The utility model provides an auxiliary device for splicing two adjacent sections of steel box girders, which is used for assisting the splicing of the two adjacent sections of steel box girders along the axial direction and comprises a plurality of first matching parts, a plurality of second matching parts and a plurality of positioning parts, wherein the first matching parts and the second matching parts are respectively arranged on the two sections of steel box girders and are in one-to-one correspondence, a plurality of positioning holes are correspondingly arranged on the first matching parts and the second matching parts, and the positioning parts penetrate through the corresponding positioning holes on the first matching parts and the second matching parts along the axial direction parallel to the steel box girders. Whether the first matching piece is aligned with the positioning hole in the second matching piece or not is judged through the installation positioning piece, and then whether the installation position of the steel box girder meets the design line type and the precision requirement or not is judged, the adjustment difficulty in the assembling process of the steel box girder sections is reduced, the assembling and butt joint precision is improved, the construction process is optimized, and the construction efficiency is effectively improved.
Description
Technical Field
The utility model relates to the technical field of steel structure construction, in particular to an auxiliary device for splicing steel box girders.
Background
The steel structure is taken as a representative of green buildings, the whole structure is light in weight, the construction speed is high, the anti-seismic performance and the safety performance are excellent, all components are prefabricated in factories, the construction progress is high, and the comprehensive cost advantage is more obvious. Under the existing technical conditions, the large-scale steel structure bridge engineering inevitably involves the process of sectionally installing the steel box girder, and the sectionally installing process needs to ensure that the installed steel box girder meets the design line type and precision requirements.
Aiming at the assembly precision adjustment of the traditional steel box girder, a measuring instrument is generally erected in advance, and the position deviation correction is carried out by measuring in real time in the assembly process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an auxiliary device for splicing a steel box girder, which reduces the adjustment difficulty during the splicing of steel box girder segments, improves the precision of splicing and butt joint, optimizes the construction process and effectively improves the construction efficiency.
In order to achieve the above purpose, the utility model provides an auxiliary device for splicing two adjacent sections of steel box girders, which is used for assisting the splicing of the two adjacent sections of steel box girders along the axial direction, and comprises a plurality of first matching parts, a plurality of second matching parts and a plurality of positioning parts, wherein the first matching parts and the second matching parts are respectively arranged on the two sections of steel box girders and are in one-to-one correspondence, a plurality of positioning holes are correspondingly arranged on the first matching parts and the second matching parts, and the positioning parts penetrate through the corresponding positioning holes on the first matching parts and the second matching parts along the axial direction parallel to the steel box girders.
Optionally, the number of the first matching pieces and the number of the second matching pieces are at least two, and the first matching pieces and the second matching pieces are arranged at the corresponding end portions of the steel box girder along an axial direction perpendicular to the steel box girder.
Optionally, the first matching piece and the second matching piece are distributed at equal intervals along an axial direction perpendicular to the steel box girder.
Optionally, a space is formed between the first matching piece and the second matching piece and the splicing seam of the two sections of steel box girders.
Optionally, the first matching piece and the second matching piece are correspondingly arranged at least one of the top, the bottom and the side wall of the steel box girder.
Optionally, the first matching piece and the second matching piece have the same structure, the first matching piece includes a side plate and a bottom plate which are perpendicular to each other, the bottom plate is welded to the steel box girder, and the positioning hole is formed in the side plate.
Optionally, at least two positioning holes are formed in the same side plate.
Optionally, the first matching member further includes a plurality of stiffening ribs arranged in the axial direction of the steel box girder, and the stiffening ribs are connected to the side plates and the bottom plate.
Optionally, the stiffening rib is an isosceles right triangle, and the two right-angle sides of the stiffening rib are respectively connected with the side plate and the bottom plate in a welding manner.
Optionally, the positioning element includes a fastening element and a nut, and the fastening element penetrates through the corresponding positioning hole on the first matching piece and the second matching piece along the axial direction parallel to the steel box girder and then is connected with the nut.
The utility model provides an auxiliary device for splicing two adjacent sections of steel box girders, which is used for assisting the splicing of the two adjacent sections of steel box girders along the axial direction and comprises a plurality of first matching parts, a plurality of second matching parts and a plurality of positioning parts, wherein the first matching parts and the second matching parts are respectively arranged on the two sections of steel box girders and are in one-to-one correspondence, a plurality of positioning holes are correspondingly arranged on the first matching parts and the second matching parts, and the positioning parts penetrate through the corresponding positioning holes on the first matching parts and the second matching parts along the axial direction parallel to the steel box girders. Whether the first matching piece is aligned with the positioning hole in the second matching piece or not is judged through the installation positioning piece, and then whether the installation position of the steel box girder meets the design line type and the precision requirement or not is judged, the adjustment difficulty in the assembling process of the steel box girder sections is reduced, the assembling and butt joint precision is improved, the construction process is optimized, and the construction efficiency is effectively improved.
Drawings
It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the utility model and do not constitute any limitation to the scope of the utility model. Wherein:
fig. 1 is a front view of an auxiliary device for splicing a steel box girder according to an embodiment of the present invention;
FIG. 2 is a top view of an auxiliary device for splicing steel box girders according to an embodiment of the utility model;
in the drawings:
1-steel box girder; 2-a first mating member; 3-a second mating piece; 4-a positioning element;
21-side plate; 22-a base plate; stiffener 23.
Detailed Description
To further clarify the objects, advantages and features of the present invention, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It is to be noted that the drawings are in greatly simplified form and are not to scale, but are merely intended to facilitate and clarify the explanation of the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.
As used in this application, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this disclosure, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise. As used in this disclosure, the term "plurality" is generally employed in its sense including "at least one" unless the content clearly dictates otherwise. As used in this disclosure, the term "at least two" is generally employed in a sense including "two or more" unless the content clearly dictates otherwise. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or at least two of the features.
Referring to fig. 1 to 2, fig. 1 is a front view of an auxiliary device for splicing a steel box girder according to an embodiment of the present invention, and fig. 2 is a top view of the auxiliary device for splicing a steel box girder according to an embodiment of the present invention. This embodiment provides an auxiliary device for steel box girder concatenation for supplementary two sections adjacent steel box girders 1 (only schematically shown steel box girder 1's outer wall in fig. 1) splice along the axial, including a plurality of first matching pieces 2, a plurality of second matching pieces 3 and a plurality of setting element 4, first matching pieces 2 with second matching pieces 3 set up respectively in two sections steel box girder 1 is last and the one-to-one, first matching pieces 2 with it is provided with a plurality of locating holes to correspond on the second matching pieces 3, setting element 4 along being on a parallel with steel box girder 1's axial runs through the correspondence first matching pieces 2 with locating hole on the second matching pieces 3.
Whether the first matching part 2 is aligned with the positioning hole in the second matching part 3 or not is judged through the installation positioning part 4, and then whether the installation position of the steel box girder 1 meets the design line type and the precision requirement or not is judged, the adjustment difficulty in assembling the sections of the steel box girder 1 is reduced, the assembling and butt joint precision is improved, the construction process is optimized, and the construction efficiency is effectively improved.
Furthermore, the number of the first matching pieces 2 and the number of the second matching pieces 3 are at least two, and the first matching pieces 2 and the second matching pieces 3 are arranged at the corresponding end parts of the steel box girder 1 along the axial direction perpendicular to the steel box girder 1. Through along perpendicular to the axial of steel box girder 1 sets up a plurality ofly first matching piece 2 with second matching piece 3, the alignment accuracy of two sections steel box girder 1 that can further improve improves the efficiency of construction.
Furthermore, the first matching pieces 2 and the second matching pieces 3 are distributed at equal intervals along the axial direction perpendicular to the steel box girder 1. The attractiveness is improved on the premise of ensuring the alignment accuracy of the steel box girder 1. It should be understood that, the number of the first matching pieces 2 and the second matching pieces 3 is the same and corresponds to one another, and the number of the first matching pieces 2 and the second matching pieces 3 is not limited in the present application, and may be one, or two or more, and may be selected according to specific construction conditions.
In this embodiment, a gap is formed between the first matching piece 2 and the second matching piece 3 and the splicing seam of the two sections of steel box girders 1. The auxiliary device for splicing the steel box girder provided by the embodiment is used for splicing and aligning, after the line type of the steel box girder 1 is confirmed to be correct, the full-section circular welding seam of the steel box girder 1 needs to be carried out, namely, the splicing seam is welded to form a welding seam. Therefore, a sufficient welding distance needs to be reserved between the first matching piece 2 and the second matching piece 3 and the splicing seams of the two sections of the steel box girder 1 so as not to affect the welding of the steel box girder 1.
Further, the first matching piece 2 and the second matching piece 3 are correspondingly arranged on at least one of the top, the bottom and the side wall of the steel box girder 1. That is, the first matching member 2 and the second matching member 3 may be disposed only on the top, the bottom, or the side walls of the steel box girder 1, or may be disposed on at least two of the top, the bottom, and the side walls of the steel box girder 1 at the same time, which is not limited in this application. Of course, for the concatenation precision that improves steel box girder 1, can follow the outer wall circumference of steel box girder 1 evenly sets up first matching piece 2 with second matching piece 3.
In this embodiment, the first matching member 2 and the second matching member 3 have the same structure, the first matching member 2 includes a side plate 21 and a bottom plate 22 that are perpendicular to each other, the bottom plate 22 is welded to the steel box girder 1, and the positioning hole is disposed on the side plate 21. First matching piece 2 with second matching piece 3 can adopt two steel sheet welded forming, just first matching piece 2 with second matching piece 3 can be in mill directly prefabricate after welded fastening steel case roof beam 1, simultaneously be in reserve the locating hole on the curb plate 21, treat steel case roof beam 1 transports the job site after, only need combine the adjustment of setting element 4 to aim at first matching piece 2 with the locating hole that corresponds on the second matching piece 3 can, adjustment convenient and fast has greatly improved the efficiency of assembling of steel case roof beam 1.
Of course, the first matching member 2 and the second matching member 3 may also be other structures, such as a column, or a box, which is not limited in this application.
Preferably, there are at least two positioning holes on the same side plate 21. It should be understood that when the number of the first matching parts 2 and the second matching parts 3 is only one, the number of the positioning holes on the same side plate 21 is at least two, so as to ensure the matching precision of two sections of the steel box girder 1. When the number of the first matching pieces 2 and the second matching pieces 3 is more than one, the same positioning holes can be formed in the side plates 21, and the number of the positioning holes can be one or more than one, and the number of the positioning holes is not limited by the application.
Further, referring to fig. 1-2, the first matching member 2 further includes a plurality of stiffening ribs 23 disposed along a direction perpendicular to the axial direction of the steel box girder 1, and the stiffening ribs 23 are connected to the side plates 21 and the bottom plate 22. Similarly, the first matching member 2 and the second matching member 3 have the same structure, so the second matching member 3 further comprises a plurality of stiffening ribs 23 arranged along the direction perpendicular to the axial direction of the steel box girder 1, and the stiffening ribs 23 are connected with the side plates 21 and the bottom plate 22. The strength and rigidity of the first mating member 2 and the second mating member 3 can be further improved by the stiffener 23.
In this embodiment, the stiffening rib 23 is an isosceles right triangle, and two right-angle sides of the stiffening rib 23 are respectively connected to the side plate 21 and the bottom plate 22 by welding.
Referring to fig. 1-2, the positioning element 4 includes a fastening element and a nut, and the fastening element penetrates through the positioning holes of the first matching member 2 and the second matching member 3 along an axial direction parallel to the steel box girder 1 and then is connected to the nut. The fastener can be structures such as bolt, screw rod, and this application does not do any restriction to this, can select for use according to particular case. For example, when the first matching member 2 and the second matching member 3 are closely spaced, the connection can be made by bolts. When the positioning holes on the first matching piece 2 and the second matching piece 3 are far away from each other, a screw rod can be selected for connection, and then nuts are screwed into two ends of the screw rod.
In this embodiment, the auxiliary device for splicing the steel box girder is used for installing a special-shaped steel structure bridge, the total length of the bridge is designed to be 194.449m, the full width of the bridge deck is 6.0m, the net width is 5.4m, the steel box girder is made of Q345qC, the height of the steel box girder is 1.5m, the width of the steel box girder is 6.0m, and two sides of the steel box girder are respectively provided with a 1.5m wide cantilever. The auxiliary device for splicing the steel box girder provided by the embodiment has the following concrete steps:
the first step is as follows: dividing the special-shaped steel structure bridge into 14 sections of steel box girders 1 through a design drawing, and determining the installation positions of a first matching piece 2 and a second matching piece 3;
the second step is that: manufacturing a steel box girder 1 in a factory, simultaneously welding the first matching piece 2 and the second matching piece 3 by adopting 2 square steel plates of 40 multiplied by 20 multiplied by 1cm and 1 triangular steel plate of 20 multiplied by 1cm, and respectively welding the two ends of the steel box girder 1 along the axial direction after welding;
the third step: and (3) hoisting the steel box girder 1 sections on site, and determining the installation position of the steel box girder 1 by observing the butt joint condition of the positioning holes of the first matching part 2 and the second matching part 3 between the adjacent sections. If the butt joint positions of the positioning holes are matched, the positioning piece 4 can smoothly pass through the positioning holes for fixing, and the segment positions are proved to meet the requirements; otherwise, fine adjustment is continuously carried out until the butt joint positions of the positioning holes are matched.
The fourth step: and after the positioning piece 4 is installed, and after the line type of the steel beam is confirmed to be correct, carrying out full-section circular seam welding on the steel box beam 1.
To sum up, the embodiment of the utility model provides an auxiliary device for splicing two adjacent sections of steel box girders, which is used for assisting the splicing of the two adjacent sections of steel box girders along the axial direction, and comprises a plurality of first matching parts, a plurality of second matching parts and a plurality of positioning parts, wherein the first matching parts and the second matching parts are respectively arranged on the two sections of steel box girders and are in one-to-one correspondence, a plurality of positioning holes are correspondingly arranged on the first matching parts and the second matching parts, and the positioning parts penetrate through the corresponding positioning holes on the first matching parts and the second matching parts along the axial direction parallel to the steel box girders. Whether the first matching piece is aligned with the positioning hole in the second matching piece or not is judged through the installation positioning piece, and then whether the installation position of the steel box girder meets the design line type and the precision requirement or not is judged, the adjustment difficulty in the assembling process of the steel box girder sections is reduced, the assembling and butt joint precision is improved, the construction process is optimized, and the construction efficiency is effectively improved.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides an auxiliary device is used in steel box girder concatenation for supplementary two sections adjacent steel box girders splice along the axial, its characterized in that, including a plurality of first matching pieces, a plurality of second matching pieces and a plurality of setting element, first matching pieces with second matching pieces sets up respectively in two sections on the steel box girder and one-to-one, first matching pieces with correspond on the second matching pieces and be provided with a plurality of locating holes, the setting element along being on a parallel with the axial of steel box girder runs through the correspondence first matching pieces with locating hole on the second matching pieces.
2. The auxiliary device for splicing the steel box girder according to claim 1, wherein the number of the first matching member and the second matching member is at least two, and the first matching member and the second matching member are disposed at the end portions of the corresponding steel box girder in an axial direction perpendicular to the steel box girder.
3. An auxiliary device for splicing a steel box girder according to claim 2, wherein the first matching member and the second matching member are equally spaced apart from each other in an axial direction perpendicular to the steel box girder.
4. An auxiliary device for splicing a steel box girder according to claim 1, wherein the first matching member and the second matching member are spaced apart from the splicing seams of two sections of the steel box girder.
5. The auxiliary device for splicing the steel box girder according to claim 1, wherein the first matching member and the second matching member are correspondingly disposed at least one of the top, the bottom and the side walls of the steel box girder.
6. The auxiliary device for splicing the steel box girder according to claim 1, wherein the first matching member and the second matching member have the same structure, the first matching member comprises a side plate and a bottom plate which are perpendicular to each other, the bottom plate is welded to the steel box girder, and the positioning holes are formed in the side plate.
7. An auxiliary device for splicing a steel box girder according to claim 6, wherein the number of the positioning holes on the same side plate is at least two.
8. An auxiliary device for splicing a steel box girder according to claim 6, wherein the first matching member further comprises a plurality of reinforcing ribs arranged in a direction perpendicular to an axial direction of the steel box girder, and the reinforcing ribs are connected to the side plates and the bottom plate.
9. An auxiliary device for splicing a steel box girder according to claim 8, wherein the stiffening rib is in the shape of an isosceles right triangle, and two right-angled sides of the stiffening rib are respectively welded to the side plates and the bottom plate.
10. The auxiliary device for splicing the steel box girder according to claim 1, wherein the positioning member comprises a fastening member and a nut, and the fastening member penetrates through the positioning holes of the corresponding first matching member and the second matching member in the axial direction parallel to the steel box girder and then is connected with the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122255379.9U CN215669070U (en) | 2021-09-16 | 2021-09-16 | Auxiliary device for splicing steel box girders |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122255379.9U CN215669070U (en) | 2021-09-16 | 2021-09-16 | Auxiliary device for splicing steel box girders |
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| Publication Number | Publication Date |
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| CN215669070U true CN215669070U (en) | 2022-01-28 |
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| CN202122255379.9U Active CN215669070U (en) | 2021-09-16 | 2021-09-16 | Auxiliary device for splicing steel box girders |
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- 2021-09-16 CN CN202122255379.9U patent/CN215669070U/en active Active
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