CN218911103U - Guide beam quick connecting structure - Google Patents
Guide beam quick connecting structure Download PDFInfo
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- CN218911103U CN218911103U CN202223236593.0U CN202223236593U CN218911103U CN 218911103 U CN218911103 U CN 218911103U CN 202223236593 U CN202223236593 U CN 202223236593U CN 218911103 U CN218911103 U CN 218911103U
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- guide
- butt joint
- guide beam
- connecting part
- box girder
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Abstract
A guide beam quick connection structure comprises a guide beam butt joint section and a box beam butt joint section; the guide beam butt joint section comprises a guide beam connecting part, the guide beam connecting part is connected with a guide beam, a first guide structure is arranged at the top of the guide beam connecting part, a first tensioning structure is arranged at the upper end of the guide beam connecting part below the first guide structure, and a first positioning hole is arranged at the lower end of the guide beam connecting part; the box girder butt joint section comprises a box girder connecting part, the box girder connecting part is connected with a box girder, a second guide structure corresponding to the first guide structure is arranged at the top of the box girder connecting part, a second tensioning structure corresponding to the first tensioning structure is arranged at the upper end of the box girder connecting part, and a second positioning hole corresponding to the first positioning hole is arranged at the lower end of the box girder connecting part. Through the structure, the guide beam can be rapidly guided and rapidly positioned and connected, the problem of difficult positioning during floating crane lifting is solved, and the guide beam has the characteristics of high efficiency and simple control.
Description
Technical Field
The utility model relates to the technical field of bridge foundation construction, in particular to a guide beam quick connecting structure.
Background
For a steel box girder bridge in coastal and sea-crossing engineering, a large-section hoisting method is a main method for installing a prefabricated steel box girder of the current sea-crossing bridge. The large-section hoisting method adopts a large-scale floating crane to hoist the whole section of the steel box girder to the bridge position, then accurately position the steel box girder, and the advantages of industrial manufacture of the steel box girder and high offshore construction speed can be better exerted by selecting large-section hoisting construction. Because large-section construction is adopted, the bridge line shape is basically set in the manufacturing stage, the adjustable range in the bridge site is very limited, and if the line shape is not well controlled, the connection of the on-site steel box girder is difficult. The large-section hoisting method has mature technology and high construction efficiency, but is influenced by structures such as the anchorage and cofferdam, and the like, and the steel box girder is difficult to install; and the installation cost of the large floating crane is higher, the market resources are rare, the workload of dismantling and subsequent recovery is large, the cost is high, the safety risk is high, and the influence on subsequent construction is large. The method for pushing and installing the large section of the anchor steel beam in the cross sea can greatly reduce the temporary measure, and has good economical efficiency, but the guide beam needs to be repeatedly disassembled and assembled after the method, and the guide beam is connected by bolts, so that the problems of complicated disassembly and assembly, high cantilever assembly safety risk and low efficiency exist.
In the prior art, CN 110067202A discloses a method for connecting a steel guide beam and a groove beam, which adopts a mode of welding an anchor box and embedding a steel strand bundle to connect the steel guide beam and the groove beam, and cannot realize quick connection. CN 202688877U discloses a connection mode of steel guide beams and box beams, which is to realize butt joint through pre-buried twisted steel bars. CN 102733308A discloses a method for connecting steel guide beams and box beams, which has complex connecting steps and cannot realize quick connection.
Disclosure of Invention
The utility model aims to solve the technical problems that: the problems existing in the background art are solved, the guide beam quick connecting structure is provided, through the structure, quick guiding and quick positioning connection of the guide beam and the box beam can be completed, the problem of difficult positioning during floating crane lifting is solved, and the guide beam quick connecting structure has the characteristics of high efficiency and simplicity in control.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: a guide beam quick connection structure comprises a guide beam butt joint section and a box beam butt joint section; the guide beam butt joint section comprises a guide beam connecting part, a first guide structure is arranged at the top of the guide beam connecting part, a first tensioning structure is arranged at the upper end of the guide beam connecting part below the first guide structure, and a first positioning hole is formed at the lower end of the guide beam connecting part; the box girder butt joint section comprises a box girder connecting part, a second guide structure corresponding to the first guide structure is arranged at the top of the box girder connecting part, a second tensioning structure corresponding to the first tensioning structure is arranged at the upper end of the box girder connecting part, and a second positioning hole corresponding to the first positioning hole is arranged at the lower end of the box girder connecting part.
The guide beam connecting part and the box beam connecting part comprise butt joint plates and rib plates connected to the butt joint plates, and butt joint holes corresponding to each other are formed in the two butt joint plates.
The first guide structure comprises a first guide seat fixedly connected to the top of the guide beam connecting part, and a conical structure hole is formed in the first guide seat; the second guide structure comprises a second guide seat fixedly connected to the top of the box girder connecting part, and the second guide seat is provided with a connecting hole for connecting a bolt.
The first tensioning structure and the second tensioning structure comprise two vertical plates which are connected to the butt joint plate and are spaced from each other, a cover plate is arranged on each vertical plate, and tensioning holes are formed in the cover plate and the butt joint plate in a coaxial mode respectively.
The first positioning hole and the second positioning hole are respectively positioned on the butt joint plate, and the guide beam butt joint section and the box beam butt joint section are positioned through the inserted pin shaft.
The utility model has the following beneficial effects:
1. through guide structure, stretch-draw structure, the locating hole can accomplish the guide beam and the quick direction of case roof beam and quick location connection, has solved the difficult problem of location when floating crane hoist and mount, has the efficiency height, characteristics simple control.
2. Through first guide structure and second guide structure, be equipped with the toper structure hole in the first guide holder, make guide beam butt joint section and case roof beam butt joint section can the quick direction draw close.
3. And inserting deformed steel bars into the tensioning holes through the first tensioning structure and the second tensioning structure, and tensioning the deformed steel bars through tensioning equipment, so that the guide beam butt joint section and the box beam butt joint section are close.
4. The first positioning hole and the second positioning hole enable the guide beam butt joint section and the box beam butt joint section to be completely aligned, and bolts are conveniently installed in the butt joint holes.
Drawings
Fig. 1 is a schematic view of a structure for connecting a guide beam and a steel box girder by adopting the utility model.
Fig. 2 is a schematic diagram of a front view structure of the present utility model.
Fig. 3 is a schematic side view of the present utility model.
In the figure: the steel box girder comprises a guide girder 1, a steel box girder 2, a guide girder butt joint section 3, a guide girder connecting part 31, a butt joint plate 311, a rib plate 312, a butt joint hole 313, a first guide structure 32, a first guide seat 321, a conical structure hole 322, a first tensioning structure 33, a vertical plate 331, a cover plate 332, a tensioning hole 333 and a first positioning hole 34;
the box girder butt joint section 4, the box girder connecting part 41, the second guide structure 42, the second guide seat 421, the connecting hole 422, the second tensioning structure 43, the second positioning hole 44 and the pin shaft 5.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1-3, a guide beam quick connection structure comprises a guide beam butt joint section 3 and a box beam butt joint section 4; the guide beam butt joint section 3 comprises a guide beam connecting part 31, the guide beam connecting part 31 is connected with the guide beam 1, a first guide structure 32 is arranged at the top of the guide beam connecting part 31, a first tensioning structure 33 is arranged at the upper end of the guide beam connecting part 31 below the first guide structure 32, and a first positioning hole 34 is arranged at the lower end of the guide beam connecting part 31; the box girder butt joint section 4 comprises a box girder connecting part 41, the box girder connecting part 41 is connected with the box girder 2, a second guide structure 42 which is correspondingly guided with the first guide structure 32 is arranged at the top of the box girder connecting part 41, a second tensioning structure 43 which is correspondingly tensioned with the first tensioning structure 33 is arranged at the upper end of the box girder connecting part 41, and a second positioning hole 44 which is correspondingly tensioned with the first positioning hole 34 is arranged at the lower end of the box girder connecting part 41. When the guide beam butt joint section is installed, the first positioning holes 34 are matched with the corresponding second positioning holes 44, so that the lower ends of the guide beam butt joint section 3 and the box beam butt joint section 4 are aligned; the upper ends of the guide beam butt joint section 3 and the box beam butt joint section 4 are aligned by guiding and positioning through the first guiding structure 32 and the second guiding structure 42; the guide beam butt joint section 3 and the box beam butt joint section 4 are tensioned through the first tensioning structure 33 and the second tensioning structure 43, so that the guide beam butt joint section 3 and the box beam butt joint section 4 are close, and after the guide beam butt joint section 3 and the box beam butt joint section 4 are close, the guide beam connecting part 31 and the box beam connecting part 41 are fixedly connected through bolts, so that the quick connection of the guide beam butt joint section 3 and the box beam butt joint section 4 is completed.
Through the structure, the guide beam can be rapidly guided and rapidly positioned and connected, the problem of difficult positioning during floating crane lifting is solved, and the guide beam has the characteristics of high efficiency and simple control.
The first guide structure 32 and the second guide structure 42 may be positioning guide structures in which concave portions and convex portions are matched, or circular holes may be formed in the first guide structure 32 and the second guide structure 42, respectively, and guide may be performed by inserting pins into the circular holes. The first tension structure 33 and the second tension structure 43 may be round holes provided in the guide beam connecting portion 31 and the box beam connecting portion 41, and are drawn together by long bolts; alternatively, steel bars can be inserted into the round holes, and tensioning equipment is used for tensioning, so that the guide beam butt joint section 3 and the box beam butt joint section 4 are close. Preferably, the first and second tension structures 33 and 43 are four sets and the first and second locating holes 34 and 44 are two sets.
Referring to fig. 2, the guide beam connecting portion 31 and the box beam connecting portion 41 each include an abutment plate 311 and a rib 312 connected to the abutment plate 311, and the two abutment plates 311 are provided with mutually corresponding abutment holes 313. The butt plate 311 is used for the guide beam butt section 3 and the box beam butt section 4 to be close and butt-jointed, the rib plates 312 strengthen the structural strength of the beam connecting part 31 and the box beam connecting part 41, the butt holes 313 are positioned between the rib plates 312, and a space for installing bolts is reserved between the rib plates 312. And finally, when the guide beam is closed, the guide beam butt joint section 3 and the box beam butt joint section 4 are fixedly connected through installing bolts in the butt joint holes 313 on the butt joint plates 311 at the two sides.
Referring to fig. 2, the first guide structure 32 includes a first guide seat 321 fixedly connected to the top of the guide beam connecting portion 31, and a tapered structure hole 322 is formed in the first guide seat 321. The tapered structure holes 322 may be tapered blind holes or tapered through holes. The second guide structure 42 includes a second guide seat 421 fixedly connected to the top of the box girder connection portion 41, and the second guide seat 421 is provided with a connection hole 422 for a connection bolt. By installing the tapered locating pin in the connection hole 422, the tapered head of the locating pin extends toward the tapered structural hole 322, thereby aligning the pilot beam abutment section 3 with the box beam abutment section 4 during installation. A conical structure hole 322 is arranged to enable the guide beam butt joint section 3 and the box beam butt joint section 4 to be quickly guided close.
Referring to fig. 2, the first tension structure 33 and the second tension structure 43 each include two spaced vertical plates 331 connected to the butt plate 311, cover plates 332 are disposed on the two vertical plates 331, and Zhang Lakong 333 are disposed coaxially on the cover plates 332 and the butt plate 311, respectively. When the box girder tensioning device is used, the threaded steel is inserted into the tensioning hole 333, and the threaded steel is tensioned through tensioning equipment, so that the guide girder butt joint section 3 and the box girder butt joint section 4 are close.
Referring to fig. 2, the first positioning hole 34 and the second positioning hole 44 are respectively located on the abutment plate 311, and the guide beam abutment section 3 and the box beam abutment section 4 are positioned by inserting the pin shaft 5, so that the guide beam abutment section 3 and the box beam abutment section 4 are completely aligned, and the bolts are conveniently mounted in the abutment holes 313.
The working process and principle of the utility model are as follows:
s1, welding a butt joint section: welding the guide beam 1 and the guide beam butt joint section 3 in a factory;
s2, welding a connecting section: welding a steel box girder 2 (a segmental girder) to be pushed and a box girder connecting section 3 on site;
s3, a quick positioning stage: the pin shaft 5 passes through the second positioning hole 44, and the conical structure tip of the pin shaft 5 is utilized to rapidly position the first positioning hole 34;
s4, a rapid guiding stage: aligning the welded guide beam butt joint section 3 with the welded box beam connecting section 4 by using a floating crane, penetrating the connecting hole 422 by using a positioning pin (such as a pin shaft 5) with a cone shape, and rapidly guiding by using the cone-shaped structure hole 322 and the first guiding structure 32;
s5, stretching and positioning: connecting and positioning by using deformed steel bars to pass through tensioning holes 333 of the first tensioning structure 33 and the second tensioning structure 43, and tensioning by using tensioning equipment;
s6, a full connection stage: bolts are installed in the butt holes 313 of the butt plates 311, so that the guide beam butt joint sections 3 and the box beam butt joint sections 4 are connected, and the quick connection of the guide beam 1 and the box beam 2 is completed.
Claims (5)
1. Guide beam quick connect structure, its characterized in that: comprises a guide beam butt joint section (3) and a box beam butt joint section (4); the guide beam butt joint section (3) comprises a guide beam connecting part (31), a first guide structure (32) is arranged at the top of the guide beam connecting part (31), a first tensioning structure (33) is arranged at the upper end of the guide beam connecting part (31) below the first guide structure (32), and a first positioning hole (34) is formed at the lower end of the guide beam connecting part (31); the box girder butt joint section (4) comprises a box girder connecting portion (41), a second guide structure (42) corresponding to the first guide structure (32) is arranged at the top of the box girder connecting portion (41), a second tensioning structure (43) corresponding to the first tensioning structure (33) in tensioning mode is arranged at the upper end of the box girder connecting portion (41), and a second positioning hole (44) corresponding to the first positioning hole (34) is formed in the lower end of the box girder connecting portion (41).
2. The guide beam quick connect structure of claim 1, wherein: the guide beam connecting part (31) and the box beam connecting part (41) comprise butt joint plates (311) and rib plates (312) connected to the butt joint plates (311), and butt joint holes (313) corresponding to each other are formed in the two butt joint plates (311).
3. The guide beam quick connect structure of claim 1, wherein: the first guide structure (32) comprises a first guide seat (321) fixedly connected to the top of the guide beam connecting part (31), and a conical structure hole (322) is formed in the first guide seat (321); the second guide structure (42) comprises a second guide seat (421) fixedly connected to the top of the box girder connecting portion (41), and the second guide seat (421) is provided with a connecting hole (422) for connecting a bolt.
4. The guide beam quick connect structure of claim 1, wherein: the first tensioning structure (33) and the second tensioning structure (43) comprise two vertical plates (331) which are connected to the butt joint plate (311) and are spaced from each other, a cover plate (332) is arranged on each vertical plate (331), and Zhang Lakong (333) which are coaxially arranged on each cover plate (332) and each butt joint plate (311) are arranged.
5. The guide beam quick connect structure of claim 1, wherein: the first positioning hole (34) and the second positioning hole (44) are respectively positioned on the butt plate (311), and the guide beam butt joint section (3) and the box beam butt joint section (4) are positioned through the inserted pin shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223236593.0U CN218911103U (en) | 2022-12-05 | 2022-12-05 | Guide beam quick connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223236593.0U CN218911103U (en) | 2022-12-05 | 2022-12-05 | Guide beam quick connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218911103U true CN218911103U (en) | 2023-04-25 |
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ID=86042791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223236593.0U Active CN218911103U (en) | 2022-12-05 | 2022-12-05 | Guide beam quick connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218911103U (en) |
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2022
- 2022-12-05 CN CN202223236593.0U patent/CN218911103U/en active Active
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