CN220225737U - Sectional type steel box girder - Google Patents
Sectional type steel box girder Download PDFInfo
- Publication number
- CN220225737U CN220225737U CN202321952585.8U CN202321952585U CN220225737U CN 220225737 U CN220225737 U CN 220225737U CN 202321952585 U CN202321952585 U CN 202321952585U CN 220225737 U CN220225737 U CN 220225737U
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- steel box
- box girder
- steel
- welded
- side wall
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 193
- 239000010959 steel Substances 0.000 title claims abstract description 193
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 6
- 239000002775 capsule Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of steel box girders, in particular to a sectional steel box girder which comprises a first steel box girder and a second steel box girder, wherein the second steel box girder is arranged at one side of the first steel box girder; the tight splice part is penetrated and arranged on the side wall of the first steel box girder and the side wall of the second steel box girder, the tight splice part comprises a screw, and screw threads penetrate and mount the side wall of the first steel box girder and the side wall of the second steel box girder. According to the utility model, the tight splicing part and the reinforcing part are arranged, the nuts are tightly attached to the side wall of the first steel box girder, the clamping plates are tightly attached to the side wall of the second steel box girder, and the nuts and the clamping plates have the function of clamping and splicing the first steel box girder and the second steel box girder, so that the first steel box girder and the second steel box girder are tightly attached, the first steel box girder and the second steel box girder are conveniently welded by subsequent staff, the welding quality is ensured by tightly attaching the first steel box girder and the second steel box girder, and the connection stability of the first steel box girder and the second steel box girder is ensured.
Description
Technical Field
The utility model relates to the technical field of steel box girders, in particular to a sectional steel box girder.
Background
In the installation process of the existing steel box girder, a plurality of steel box girders are generally combined, in the installation process of the steel box girders, a steel box girder section to be installed is lifted by a crane on the installed girder section and placed on a set pile foundation, in the lifting and placing process, the upper surface of the newly lifted steel box girder is flush with the upper surface of the steel box girder fixed on the pile foundation, the distance between the upper surface of the newly lifted steel box girder and the upper surface of the steel box girder is gradually reduced until the steel box girder is attached, then a part of installation personnel enters the inner cavity of the installed steel box girder through an access hole, a part of installation personnel stands on the upper surface of the installed steel box girder, and the inner side and the outer side of an attaching gap of the two steel box girders are welded at the same time, so that fixed connection is realized.
In view of the above related art, in the process of welding two steel box girders, a new steel box girder is placed on a set pile foundation and is welded with an installed steel box girder, and improper operations of a heavy wind and a welder can directly affect a joint gap between the two steel box girders, so that the size of a weld gap between the two steel box girders is uneven, and the connection stability between the two steel box girders is affected, therefore, a sectional steel box girder needs to be designed to solve the above problems.
Disclosure of Invention
The utility model aims to provide a sectional steel box girder, which solves the problems that in the prior art, when a new steel box girder is placed on a set pile foundation and is welded with an installed steel box girder, improper operations of a heavy wind and welding personnel can directly influence a joint gap between the two steel box girders, so that the size of a welding seam gap between the two steel box girders is uneven, and the connection stability between the two steel box girders is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a segmented steel box girder comprising: the first steel box girder and the second steel box girder are arranged on one side of the first steel box girder;
the tight splicing part is arranged on the side wall of the first steel box girder and the side wall of the second steel box girder in a penetrating way, the tight splicing part comprises a screw rod, the screw rod is arranged on the side wall of the first steel box girder and the side wall of the second steel box girder in a penetrating way, one end of the screw rod is fixedly welded with a clamping plate, the screw rod is provided with a nut in a threaded way, the clamping plate is positioned in the second steel box girder, and the nut is positioned in the first steel box girder;
and the reinforcing part is arranged inside the first steel box girder.
Preferably, the front and the back of the first steel box girder and the second steel box girder are welded and fixed with side plates, and the side plates are welded and fixed with inclined plates.
Preferably, the top ends of the first steel box girder and the second steel box girder are provided with lifting parts, the lifting parts comprise positioning plates, the positioning plates are respectively welded and fixed at the top ends of the first steel box girder and the second steel box girder, and the top ends of the positioning plates are welded and fixed with lifting hooks.
Preferably, reinforcing steel bars are welded and fixedly connected between the side plates and the inclined plates.
Preferably, the reinforcement comprises an enclosure fixedly arranged in the first steel box girder.
Preferably, a cylinder clamping piece is welded and fixed on one side of the sealing shell, which is close to the nut, a connecting plate is welded and fixed on one side of the nut, which is close to the cylinder clamping piece, and a circular groove is formed on one side of the connecting plate.
Preferably, a connecting plate is welded and fixed on one side, far away from the nut, of the sealing shell, fastening bolts are installed in the connecting plate and the first steel box girder in a threaded mode, and the sealing shell is fixedly arranged in the first steel box girder through the connecting plate and the fastening bolts.
Preferably, a rubber sleeve is sleeved and fixed on the outer surface of the top of the lifting hook, and anti-skid patterns are uniformly formed on the rubber sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
1. through being provided with inseparable splice and reinforcing part, screw into in the lateral wall of first steel case roof beam and the contact of second steel case roof beam with the screw rod, screw up the screw rod again, the first steel case roof beam lateral wall is hugged closely to the nut that sets up, the lateral wall of second steel case roof beam is hugged closely to the splint, the nut has the effect of pressing from both sides tight concatenation to first steel case roof beam and second steel case roof beam with splint for first steel case roof beam is more inseparable with the laminating of second steel case roof beam, thereby be convenient for follow-up staff welds first steel case roof beam and second steel case roof beam, first steel case roof beam has closely laminated with second steel case roof beam has guaranteed welding quality, thereby guaranteed the connection stability between first steel case roof beam and the second steel case roof beam.
2. Through being provided with the portion of lifting, can lift first steel case roof beam and second steel case roof beam through the lifting hook, facilitate the use, the setting of rubber sleeve makes the lifting hook top more antiskid, conveniently stably lifts up first steel case roof beam and second steel case roof beam, through linking board and the fastening bolt that sets up, the fastening bolt of putting is used for fixing linking board on first steel case roof beam to realized the fixed of capsule, make the capsule use steadily.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a schematic side view of the structure of the present utility model;
FIG. 3 is a schematic elevational, partial cross-sectional view of the structure of the present utility model;
FIG. 4 is an enlarged schematic view of a portion of the structure of FIG. 3A in accordance with the present utility model;
FIG. 5 is a schematic side view of the screw and web structure of the present utility model.
In the figure: 110. a first steel box girder; 111. a second steel box girder; 112. a side plate; 113. a sloping plate; 114. reinforcing steel bars; 200. a tight splice; 210. a screw; 211. a clamping plate; 212. a nut; 300. a reinforcing part; 310. an enclosure; 311. a cylinder clip; 312. a connecting plate; 313. a circular groove; 314. a connecting plate; 315. a fastening bolt; 400. a lifting part; 410. a positioning plate; 411. a lifting hook; 412. a rubber sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-3, an embodiment of the present utility model is provided: a segmented steel box girder comprising: a first steel box girder 110 and a second steel box girder 111, the second steel box girder 111 being provided at one side of the first steel box girder 110;
the tight splice part 200 is arranged on the side wall of the first steel box girder 110 and the side wall of the second steel box girder 111 in a penetrating way, the tight splice part 200 comprises a screw rod 210, the screw rod 210 is arranged on the side wall of the first steel box girder 110 and the side wall of the second steel box girder 111 in a penetrating way in a threaded way, a clamping plate 211 is fixedly welded at one end of the screw rod 210, a nut 212 is arranged on the screw rod 210 in a threaded way, the clamping plate 211 is positioned in the second steel box girder 111, and the nut 212 is positioned in the first steel box girder 110;
the reinforcing part 300 is arranged in the first steel box girder 110, when the device is used, the first steel box girder 110 is hoisted at the top end of a precast pile foundation and fixed by the crane in advance, then the second steel box girder 111 is hoisted by the crane and placed on the precast pile foundation, meanwhile, the end face of the first steel box girder 110 and the end face of the second steel box girder 111 are attached, after the attachment, the screw 210 is screwed into the side wall of the first steel box girder 110, which is contacted with the second steel box girder 111, the nut 212 is screwed onto the screw 210, the nut 212 is tightly attached to the side wall of the first steel box girder 110, the clamping plate 211 is tightly attached to the side wall of the second steel box girder 111, and the nut 212 and the clamping plate 211 have the clamping and splicing function on the first steel box girder 110 and the second steel box girder 111, so that the attachment of the first steel box girder 110 and the second steel box girder 111 is compact, the first steel box girder 110 and the second steel box girder 111 are welded by subsequent workers, and the quality of the first steel box girder 110 and the second steel box girder 111 is tightly attached to the second steel box girder 111 is guaranteed, and the stability of the first steel box girder 110 and the second steel box girder 111 is tightly welded.
Example two
Compared with the first embodiment, referring to fig. 1-3, the front and back sides of the first steel box girder 110 and the second steel box girder 111 are welded and fixed with side plates 112, and inclined plates 113 are welded and fixed on the side plates 112, and the inclined plates 113 extend to the front and back sides respectively and are arranged obliquely, so that the possibility that rainwater enters the first steel box girder 110 and the second steel box girder 111 is reduced.
Further, the lifting parts 400 are arranged at the top ends of the first steel box girder 110 and the second steel box girder 111, the lifting parts 400 comprise positioning plates 410, the positioning plates 410 are respectively welded and fixed at the top ends of the first steel box girder 110 and the second steel box girder 111, lifting hooks 411 are welded and fixed at the top ends of the positioning plates 410, and when the first steel box girder 110 and the second steel box girder 111 need to be lifted, the first steel box girder 110 and the second steel box girder 111 can be lifted through the lifting hooks 411, so that the use is convenient.
Further, reinforcing steel bars 114 are welded and fixedly connected between the side plates 112 and the inclined plates 113, and the arrangement of the reinforcing steel bars 114 has a reinforcing effect on the inclined plates 113, so that the inclined plates 113 are stably used.
Further, cup joint and be fixed with rubber cover 412 on the surface at lifting hook 411 top, evenly offered anti-skidding line on the rubber cover 412, the setting of rubber cover 412 makes lifting hook 411 top more antiskid, conveniently stably hangs first steel case roof beam 110 and second steel case roof beam 111.
Example III
In comparison with the first embodiment, referring to fig. 1-5, the reinforcement 300 includes a shell 310, the shell 310 is fixedly disposed in the first steel box girder 110, and the nut 212 and a part of the screw 210 are shielded, so that the nut 212 and the screw 210 are protected.
Further, a cylindrical clamping member 311 is welded and fixed on one side of the enclosure 310, which is close to the nut 212, a connecting plate 312 is welded and fixed on one side of the nut 212, which is close to the cylindrical clamping member 311, a circular groove 313 is formed in one side of the connecting plate 312, and when the enclosure 310 is fixed, the arranged cylindrical clamping member 311 extends into the circular groove 313 on the connecting plate 312, and has an extrusion fastening function on the nut 212, so that the installation is more stable.
Further, a connecting plate 314 is welded and fixed on one side of the envelope 310 far away from the nut 212, fastening bolts 315 are installed in the connecting plate 314 and the first steel box girder 110 in a threaded manner, the envelope 310 is fixedly arranged in the first steel box girder 110 through the connecting plate 314 and the fastening bolts 315, and the fastening bolts 315 are used for fixing the connecting plate 314 on the first steel box girder 110, so that the fixing of the envelope 310 is realized, and the envelope 310 is stably used.
Working principle: when the device is used, the first steel box girder 110 is hoisted at the top end of a precast pile foundation in advance through the crane and fixed, then the second steel box girder 111 is hoisted through the crane and placed on the precast pile foundation, meanwhile, the end faces of the first steel box girder 110 and the second steel box girder 111 are attached, after the attachment is finished, the screw rod 210 is screwed into the side wall of the first steel box girder 110, which is in contact with the second steel box girder 111, the nut 212 is screwed onto the screw rod 210, the set nut 212 is tightly attached to the side wall of the first steel box girder 110, the clamping plate 211 is tightly attached to the side wall of the second steel box girder 111, the nut 212 and the clamping plate 211 have the clamping and splicing function on the first steel box girder 110 and the second steel box girder 111, so that the attachment of the first steel box girder 110 and the second steel box girder 111 is tight, the first steel box girder 110 and the second steel box girder 111 are welded conveniently, the welding quality is guaranteed by the tight attachment of the following staff, and the stability of the connection between the first steel box girder 110 and the second steel box girder 111 is guaranteed.
Because the capsule 310 is fixedly arranged in the first steel box girder 110, the nuts 212 and part of the screw rods 210 are shielded, the nuts 212 and the screw rods 210 are protected, the fastening bolts 315 are arranged to fix the connecting plate 314 on the first steel box girder 110, so that the capsule 310 is fixed, the capsule 310 is stably used, when the capsule 310 is fixed, the arranged cylinder clamping pieces 311 extend into the circular grooves 313 on the connecting plate 312, the nuts 212 are pressed and fastened, the installation is more stable, when the first steel box girder 110 and the second steel box girder 111 need to be lifted, the first steel box girder 110 and the second steel box girder 111 can be lifted through the lifting hooks 411, the use is convenient, the tops of the lifting hooks 411 are relatively anti-skidding due to the arrangement of the rubber sleeves 412, and the first steel box girder 110 and the second steel box girder 111 are conveniently and stably lifted.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (8)
1. A segmented steel box girder comprising: the first steel box girder (110) and the second steel box girder (111), wherein the second steel box girder (111) is arranged at one side of the first steel box girder (110);
the tight splicing part (200) is arranged on the side wall of the first steel box girder (110) and the side wall of the second steel box girder (111) in a penetrating way, the tight splicing part (200) comprises a screw rod (210), the screw rod (210) is arranged on the side wall of the first steel box girder (110) and the side wall of the second steel box girder (111) in a penetrating way in a threaded way, a clamping plate (211) is fixedly welded at one end of the screw rod (210), a nut (212) is arranged on the screw rod (210) in a threaded way, the clamping plate (211) is positioned in the second steel box girder (111), and the nut (212) is positioned in the first steel box girder (110);
and a reinforcement (300), wherein the reinforcement (300) is arranged inside the first steel box girder (110).
2. A segmented steel box girder according to claim 1, characterized in that: the front and the back of the first steel box girder (110) and the second steel box girder (111) are welded and fixed with side plates (112), and inclined plates (113) are welded and fixed on the side plates (112).
3. A segmented steel box girder according to claim 1, characterized in that: the lifting part (400) is arranged at the top ends of the first steel box girder (110) and the second steel box girder (111), the lifting part (400) comprises a positioning plate (410), the positioning plate (410) is welded and fixed at the top ends of the first steel box girder (110) and the second steel box girder (111) respectively, and a lifting hook (411) is welded and fixed at the top ends of the positioning plate (410).
4. A segmented steel box girder according to claim 2, characterized in that: reinforcing steel bars (114) are fixedly welded between the side plates (112) and the inclined plates (113).
5. A segmented steel box girder according to claim 1, characterized in that: the reinforcement (300) comprises an enclosure (310), the enclosure (310) being fixedly arranged in the first steel box girder (110).
6. A segmented steel box girder according to claim 5, characterized in that: a cylindrical clamping piece (311) is fixedly welded on one side, close to the nut (212), of the sealing shell (310), a connecting plate (312) is fixedly welded on one side, close to the cylindrical clamping piece (311), of the nut (212), and a circular groove (313) is formed in one side of the connecting plate (312).
7. A segmented steel box girder according to claim 5, characterized in that: one side of the envelope (310) far away from the nut (212) is fixedly provided with a connecting plate (314) in a welded mode, fastening bolts (315) are installed in the connecting plate (314) and the first steel box girder (110) in a threaded mode, and the envelope (310) is fixedly arranged in the first steel box girder (110) through the connecting plate (314) and the fastening bolts (315).
8. A segmented steel box girder according to claim 3, characterized in that: the outer surface of the top of the lifting hook (411) is sleeved and fixed with a rubber sleeve (412), and anti-skidding patterns are uniformly formed on the rubber sleeve (412).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321952585.8U CN220225737U (en) | 2023-07-24 | 2023-07-24 | Sectional type steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321952585.8U CN220225737U (en) | 2023-07-24 | 2023-07-24 | Sectional type steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220225737U true CN220225737U (en) | 2023-12-22 |
Family
ID=89189426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321952585.8U Active CN220225737U (en) | 2023-07-24 | 2023-07-24 | Sectional type steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220225737U (en) |
-
2023
- 2023-07-24 CN CN202321952585.8U patent/CN220225737U/en active Active
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