CN210066513U - Jig frame system for assembling upper chord and lower chord of steel truss girder - Google Patents
Jig frame system for assembling upper chord and lower chord of steel truss girder Download PDFInfo
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- CN210066513U CN210066513U CN201920586222.4U CN201920586222U CN210066513U CN 210066513 U CN210066513 U CN 210066513U CN 201920586222 U CN201920586222 U CN 201920586222U CN 210066513 U CN210066513 U CN 210066513U
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- truss girder
- chord
- bottom plate
- jig frame
- upper chord
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Abstract
The utility model relates to a steel truss roof beam upper chord is assembled with lower chord and is used bed-jig system, its characterized in that: comprises a jig frame structure and a truss girder structure; the jig frame structure and the truss girder structure are arranged on the jig frame for assembly; the utility model meets the requirements of the assembly strength and stability of the broken-line truss girder structure by adopting the assembly jig frame of the special broken-line truss girder structure, avoids shielding the welding position during assembly, and has simpler structure and higher stability; in addition, the pre-camber setting of the truss girder can be realized after the truss girder structure of the broken line type is assembled, so that the truss girder structure can be conveniently installed with an embedded and repaired segmented structure of a bridge floor, and the pre-camber requirement required by a bridge is met while the installation efficiency is higher.
Description
Technical Field
The utility model relates to a structure field is assembled to the steel bridge, especially relates to a steel truss roof beam upper chord is assembled with lower chord and is used bed-jig system.
Background
The general assembly on the steel truss beam is assembled on the jig frame, and the general jig frame structure supports the truss beam structure in a supporting block mode according to the shapes of two trusses, so that one riveting hole and the welding position are shielded, and the later welding assembly is inconvenient; in addition, aiming at the common linear steel truss girder, the problem that the support frame on the support bottom plate is not perpendicular to the side edge of the steel truss girder is easy to cause the phenomenon of uneven stress when the steel truss girder is laid; in addition, the assembly of the general steel truss is a linear structure, and the broken line type assembly structure is connected with the embedding subsections at the positions of the bridge deck where the pre-camber is needed, so that the bent steel truss girder structure is needed to realize the assembly welding.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a steel truss roof beam upper chord and lower chord assemble and use bed-jig system, can also can solve the steel truss roof beam structure that needs the degree of arching in advance when solving the assembling problem of the truss girder structure of novel broken line type and realize inlaying the requirement that the welding of mending the segmentation satisfies the degree of arching in advance.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a steel truss roof beam upper chord assembles with bed-jig system with lower chord, its innovation point lies in: comprises a jig frame structure and a truss girder structure; the jig frame structure and the truss girder structure are arranged on the jig frame for assembly;
the jig frame structure comprises a supporting bottom plate and a supporting frame; the supporting bottom plate is horizontally arranged, and a side outline structure of a truss girder structure is scribed on one plane of the supporting bottom plate; the supporting frames are laid in a door-shaped structure along the side outline of the truss girder on the supporting bottom plate in equal height, and the supporting frames are connected to the supporting bottom plate through anchoring parts;
the truss girder structure comprises an upper chord member, a lower chord member and a connecting web member; the upper chord and the lower chord are of a broken line type structure and form pre-camber; the upper chord member at least comprises four chord member sections which are sequentially welded and connected, and a bottom plate unit is spliced on the outer side of the upper chord member; the lower chord comprises at least four chord sections which are sequentially welded and connected, and an included angle structure of less than 180 degrees is formed between two chords at two ends and the rest chord sections; the upper chord member and the lower chord member are provided with a bull foot structure matched with the connecting web member, and a reinforcing plate is arranged in the bull foot structure; the connecting web members are connected to the cow foot structures of the upper chord member and the lower chord member in an inclined and alternate manner.
Furthermore, a plurality of U ribs are arranged on the bottom plate unit at equal intervals along the extension direction of the bottom plate unit; and a plurality of reinforcing rib plate structures are arranged on the U rib and are perpendicular to the U rib and the bottom plate unit.
Furthermore, the supporting frames are arranged on the supporting base plate at equal intervals, and the side edges of the supporting frames are perpendicular to the outline of the truss girder structure on the supporting base plate connected with the supporting frames for scribing.
Furthermore, the bull's foot structure of connecting web member and upper chord member and the bull's foot structure of lower chord member adopt the penetration welding between.
The utility model has the advantages that:
1) the utility model meets the requirements of the assembly strength and stability of the broken-line truss girder structure by adopting the assembly jig frame of the special broken-line truss girder structure, avoids shielding the welding position during assembly, and has simpler structure and higher stability; in addition, the pre-camber setting of the truss girder can be realized after the truss girder structure of the broken line type is assembled, so that the truss girder structure can be conveniently installed with an embedded and repaired segmented structure of a bridge floor, and the pre-camber requirement required by a bridge is met while the installation efficiency is higher.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the utility model discloses a steel truss roof beam upper chord is assembled with lower chord and is used bed-jig drawing.
Fig. 2 is the utility model discloses a steel truss roof beam upper chord is assembled with lower chord and is used bed-jig system assembly drawing.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and fig. 2, the jig system for assembling the upper chord member and the lower chord member of the steel truss girder comprises a jig structure 1 and a truss girder structure 2; the jig frame structure 1 and the truss girder structure 2 are arranged on a jig frame for assembly.
The jig frame structure 1 comprises a supporting bottom plate 11 and a supporting frame 12; the supporting bottom plate 11 is horizontally arranged, and a plane of the supporting bottom plate 11 is provided with a side profile structure of the truss girder structure 2 in a scribing way; the supporting frames 12 are laid in a door-shaped structure along the side contour of the truss girder on the supporting base plate 11 at the same height, and the supporting frames 12 are connected to the supporting base plate 11 through anchoring parts.
The truss girder structure 2 includes an upper chord 21, a lower chord 22 and a connecting web member 23; the upper chord 21 and the lower chord 22 are of a broken line type structure, and the upper chord 21 and the lower chord 22 form pre-camber; the upper chord 21 at least comprises four chord sections which are sequentially welded and connected, and a bottom plate unit 25 is spliced on the outer side of the upper chord 21; the lower chord 22 at least comprises four chord sections which are sequentially welded and connected, and an included angle structure of less than 180 degrees is formed between two chords at two ends and the rest chord sections; the upper chord 21 and the lower chord 22 are provided with a bull foot structure 24 matched with the connecting web member 23, and a reinforcing plate is arranged in the bull foot structure 25; the connecting web members 23 are connected to the leg structures 24 of the upper and lower chords 21 and 22 in an inclined alternating manner.
A plurality of U ribs are arranged on the bottom plate unit 25 at equal intervals along the extension direction of the bottom plate unit; and a plurality of reinforcing rib plate structures are arranged on the U rib and perpendicular to the U rib and the bottom plate unit 25.
The support frames 23 are arranged at equal intervals on the support base plate 23 and the sides of the support frames 12 are scribed perpendicular to the outline of the truss beam structure on the support base plate 23 to which they are connected.
Fusion welding is used between the connecting web member 23 and the upper chord 24 and the lower chord 22 24.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a steel truss roof beam upper chord assembles with bed-jig system with lower chord, its characterized in that: comprises a jig frame structure and a truss girder structure; the jig frame structure and the truss girder structure are arranged on the jig frame for assembly;
the jig frame structure comprises a supporting bottom plate and a supporting frame; the supporting bottom plate is horizontally arranged, and a side outline structure of a truss girder structure is scribed on one plane of the supporting bottom plate; the supporting frames are laid in a door-shaped structure along the side outline of the truss girder on the supporting bottom plate in equal height, and the supporting frames are connected to the supporting bottom plate through anchoring parts;
the truss girder structure comprises an upper chord member, a lower chord member and a connecting web member; the upper chord and the lower chord are of a broken line type structure and form pre-camber; the upper chord member at least comprises four chord member sections which are sequentially welded and connected, and a bottom plate unit is spliced on the outer side of the upper chord member; the lower chord comprises at least four chord sections which are sequentially welded and connected, and an included angle structure of less than 180 degrees is formed between two chords at two ends and the rest chord sections; the upper chord member and the lower chord member are provided with a bull foot structure matched with the connecting web member, and a reinforcing plate is arranged in the bull foot structure; the connecting web members are connected to the cow foot structures of the upper chord member and the lower chord member in an inclined and alternate manner.
2. The jig frame system for assembling the upper chord and the lower chord of the steel truss girder according to claim 1, wherein: a plurality of U ribs are arranged on the bottom plate unit at equal intervals along the extension direction of the bottom plate unit; and a plurality of reinforcing rib plate structures are arranged on the U rib and are perpendicular to the U rib and the bottom plate unit.
3. The jig frame system for assembling the upper chord and the lower chord of the steel truss girder according to claim 1, wherein: the supporting frames are arranged on the supporting base plate at equal intervals, and the side edges of the supporting frames are perpendicular to the outline of the truss girder structure on the supporting base plate connected with the supporting frames for scribing.
4. The jig frame system for assembling the upper chord and the lower chord of the steel truss girder according to claim 1, wherein: and the cattle foot structure of the connecting web member and the upper chord member and the cattle foot structure of the lower chord member are welded through fusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586222.4U CN210066513U (en) | 2019-04-26 | 2019-04-26 | Jig frame system for assembling upper chord and lower chord of steel truss girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920586222.4U CN210066513U (en) | 2019-04-26 | 2019-04-26 | Jig frame system for assembling upper chord and lower chord of steel truss girder |
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| CN210066513U true CN210066513U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920586222.4U Active CN210066513U (en) | 2019-04-26 | 2019-04-26 | Jig frame system for assembling upper chord and lower chord of steel truss girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989352A (en) * | 2019-04-26 | 2019-07-09 | 江苏京沪重工有限公司 | A kind of Steel Truss Beam top boom and lower boom assembly moulding bed and splicing structure |
-
2019
- 2019-04-26 CN CN201920586222.4U patent/CN210066513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989352A (en) * | 2019-04-26 | 2019-07-09 | 江苏京沪重工有限公司 | A kind of Steel Truss Beam top boom and lower boom assembly moulding bed and splicing structure |
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