CN219175015U - Detachable connection structure of temporary steel box girder support frame - Google Patents
Detachable connection structure of temporary steel box girder support frame Download PDFInfo
- Publication number
- CN219175015U CN219175015U CN202223172397.1U CN202223172397U CN219175015U CN 219175015 U CN219175015 U CN 219175015U CN 202223172397 U CN202223172397 U CN 202223172397U CN 219175015 U CN219175015 U CN 219175015U
- Authority
- CN
- China
- Prior art keywords
- supporting
- adjusting column
- steel pipe
- box girder
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
A detachable connection structure of a temporary steel box girder support frame comprises a steel pipe support frame combination, a support distribution girder and an adjusting column; the steel pipe support combination is fixedly connected with the supporting distribution beam and the supporting distribution beam is fixedly connected with the adjusting column through the connecting sleeve, so that the original welding connection is changed into detachable connection; when one steel structure bridge is constructed, the steel pipe bracket combination, the supporting distribution beam and the adjusting column keep the integrity of the original structure through disassembly, so that the steel pipe bracket combination, the supporting distribution beam and the adjusting column can be repeatedly used for the construction requirements of other steel structure bridges, and the construction cost of the temporary steel box girder supporting frame is greatly reduced; in addition, after the connecting sleeve structure is adopted, in the connecting structure of the adjusting column and the supporting and distributing beam, the connecting strength of the adjusting column and the supporting and distributing beam can be enhanced by the reinforcing plate, so that the problem of construction safety risk faced by the welding connecting structure between the supporting and distributing beam and the adjusting column when the welding connecting structure is applied to the construction of the extra-large bridge in a windy zone is solved.
Description
Technical Field
The utility model relates to the technical field of steel box girder temporary support frames for steel structure bridge construction, in particular to a detachable connection structure of a steel box girder temporary support frame.
Background
In the construction process of the steel structure bridge, a large amount of steel box girder temporary supporting frames are used, the struts, the supporting distribution beams and the adjusting columns of the existing temporary supporting frames are usually connected by welding, and after the construction of one steel structure bridge is completed, the struts, the supporting distribution beams and the adjusting columns are cut and removed, so that part of materials cannot be reused, and the construction cost of the steel box girder temporary supporting frames is greatly increased; in addition, the existing adjusting column is fixedly connected to the supporting and distributing beam through welding, and can meet the use conditions for the steel box beam with smaller volume and weight; however, for the steel box girder with larger volume and weight, the adjusting column welded with the supporting and distributing girder cannot increase the connection strength through the rib plates due to the limitation of the leg width of the supporting and distributing girder, when the transverse load transmitted by the wind load of the steel box girder is encountered, the shearing stress and the tensile stress born by the welding seam between the supporting and distributing girder and the adjusting column may exceed the maximum design requirement, and the risk of tearing the welding seam occurs, so that the construction safety risk is greatly increased when the construction of the extra-large bridge is carried out in a windy zone.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model discloses a detachable connection structure of a temporary steel box girder support frame, which is characterized in that the connection structure among a steel pipe support frame combination, a support distribution beam and an adjusting column is changed from original welding connection to fixed connection through a connecting sleeve; after the connecting sleeve is adopted, the connection structure among the steel pipe support combination, the supporting distribution beam and the adjusting column is changed into detachable connection, and after the construction of the steel structure bridge is completed, the steel pipe support combination, the supporting distribution beam and the adjusting column keep the integrity of the original structure through detachment, so that the steel pipe support combination, the supporting distribution beam and the adjusting column can be reused; in addition, after the connecting sleeve structure is adopted, in the connecting structure of the adjusting column and the supporting and distributing beam, the connecting strength of the adjusting column and the supporting and distributing beam can be enhanced by the reinforcing plate, so that the problem of construction safety risk faced by the welding connecting structure between the supporting and distributing beam and the adjusting column when the welding connecting structure is applied to the construction of the extra-large bridge in a windy zone is solved.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: a detachable connection structure of a temporary steel box girder support frame comprises a steel pipe support frame combination, a support distribution girder and an adjusting column; the steel pipe support combination is fixedly connected with the supporting distribution beam and the supporting distribution beam is fixedly connected with the adjusting column through the connecting sleeve; the connecting sleeve is a detachable connecting structure connected through bolts, and after the connecting sleeve is adopted, the welding fixed connection among the steel pipe support combination, the support distribution beam and the adjusting column of the traditional steel box girder temporary support frame is changed into the detachable fixed connection with the connecting sleeve.
Further, the connecting sleeve comprises a connecting plate and supporting blocks, the two supporting blocks are symmetrically arranged between the two connecting plates and fixedly connected through welding, and hollow supporting and distributing beam holes are formed between the connecting plates and the supporting blocks; the connecting sleeve is fixedly connected with the supporting and distributing beam through a hollow supporting and distributing beam hole; the connecting plate is used for being combined with the steel pipe support and fixedly connected with the adjusting column.
Further, the steel pipe support combination comprises a plurality of steel pipe supports, and the steel pipe supports are fixedly connected into a truss support structure through a plurality of rod pieces; the two ends of the steel pipe support are fixedly provided with steel pipe support flanges, the connecting sleeve is fixedly arranged and connected to the top of the steel pipe support flanges, and the steel pipe support flanges are fixedly connected with the connecting plates of the connecting sleeve through bolts and nuts; or the steel pipe support flange is fixedly connected with the support block of the connecting sleeve through bolts.
Further, the supporting and distributing beam is of a double-spliced I-steel structure; the supporting distribution beam is arranged in a supporting distribution beam hole of the connecting sleeve, a connecting bolt is laterally arranged on a supporting block of the connecting sleeve, and the end part of the connecting bolt is tightly propped against the waist of the supporting distribution beam, so that the supporting distribution beam is fixedly connected with the connecting sleeve.
Further, the adjusting column comprises an adjusting column body and an adjusting column base plate, and the adjusting column body is fixedly arranged in the middle of the upper part of the adjusting column base plate; reinforcing ribs are fixedly arranged between the adjusting column body and the adjusting column backing plate; the adjusting column backing plate of the adjusting column is fixedly connected with the connecting plate of the connecting sleeve through bolts and nuts; or the adjusting column backing plate of the adjusting column is fixedly connected with the supporting block of the connecting sleeve through bolts.
Further, the outer side surface of the supporting block is lower than the corresponding side edge of the connecting plate; or the outer side surface of the supporting block is flush with the corresponding side edge of the connecting plate, so that the bolts laterally arranged on the supporting block can be locked by the tool more conveniently.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects: the utility model discloses a detachable connection structure of a temporary steel box girder support frame, which comprises a steel pipe support frame combination, a support distribution girder and an adjusting column; the steel pipe support combination is fixedly connected with the supporting distribution beam and the supporting distribution beam is fixedly connected with the adjusting column through connecting sleeves; after the connecting sleeve is adopted, the original welding connection is changed into the detachable connection, and after the construction of the steel structure bridge is completed, the steel pipe support combination, the supporting distribution beam and the adjusting column keep the integrity of the original structure through the disassembly, so that the steel pipe support combination, the supporting distribution beam and the adjusting column can be reused, and the construction cost of the temporary steel box girder supporting frame is greatly reduced; in addition, after the connecting sleeve structure is adopted, in the connecting structure of the adjusting column and the supporting and distributing beam, the connecting strength of the adjusting column and the supporting and distributing beam can be enhanced by the reinforcing plate, so that the problem of construction safety risks faced when the connecting structure is applied to construction of extra-large bridges in multiple wind zones is solved.
Drawings
FIG. 1 is a schematic view of a temporary support frame structure of a steel box girder;
FIG. 2 is a schematic diagram of a connecting sleeve structure;
FIG. 3 is a schematic cross-sectional view of a support distribution beam;
FIG. 4 is a schematic view of a steel pipe bracket combined structure;
FIG. 5 is a schematic view of a connection structure of a steel pipe bracket assembly and a supporting distribution beam;
FIG. 6 is a schematic view of the appearance of the adjusting column;
FIG. 7 is a schematic diagram of the connection structure of the adjusting column and the connecting sleeve;
fig. 8 is a schematic diagram of a connecting sleeve structure of a second embodiment;
fig. 9 is a schematic structural view of a temporary steel box girder supporting frame according to the second embodiment;
fig. 10 is a schematic view of a connection structure between a steel pipe bracket assembly and a supporting distribution beam in the second embodiment;
FIG. 11 is a schematic diagram showing a connection structure between an adjusting column and a connecting sleeve according to the second embodiment;
fig. 12 is a schematic view of a connecting sleeve structure of the third embodiment.
In the figure: 1. combining steel pipe brackets; 1.1, a steel pipe support; 1.2, a steel pipe support flange; 2. supporting the distribution beam; 3. an adjusting column; 3.1, adjusting the column body; 3.2, adjusting a column backing plate; 3.3, reinforcing ribs; 4. connecting sleeves; 4.1, connecting the plates; 4.2, supporting blocks; 4.3, supporting the distribution beam holes; 4.4, I-shaped steel leg grooves.
Detailed Description
The utility model will be explained in more detail by the following examples, the purpose of which is to protect all technical improvements within the scope of the utility model.
Embodiment one:
detachable connecting structure of temporary steel box girder supporting frame is shown in the accompanying drawings 1 and 9 in the specification: comprises a steel pipe bracket combination 1, a supporting and distributing beam 2, an adjusting column 3 and a connecting sleeve 4; see fig. 4 of the specification: the steel pipe support combination 1 comprises four steel pipe supports 1.1, and the four steel pipe supports 1.1 are fixedly connected into a truss support structure through a plurality of rod pieces; the two ends of the steel pipe support 1.1 are fixedly provided with steel pipe support flanges 1.2 through welding, and the steel pipe support flanges 1.2 are provided with connecting through holes; see fig. 2 of the specification: the connecting sleeve 4 comprises connecting plates 4.1 arranged up and down and supporting blocks 4.2 arranged left and right, the two supporting blocks 4.2 are symmetrically and fixedly arranged between the two connecting plates 4.1, the outer side surface of each supporting block 4.2 is lower than the corresponding side edge of each connecting plate 4.1, supporting and distributing beam holes 4.3 are formed between the connecting plates 4.1 and the supporting blocks 4.2, and I-shaped steel leg grooves 4.4 are formed in four corners of each supporting and distributing beam hole 4.3; the connecting plate 4.1 is provided with a connecting through hole, and the outer side surface of the supporting block 4.2 is provided with a locking threaded hole; connection of the connecting sleeve 4 and the steel pipe support combination 1 is shown in fig. 5 of the specification: the connecting plate 4.1 at the lower part of the connecting sleeve 4 is arranged at the upper part of the steel pipe support flange 1.2 of the steel pipe support combination 1, the connecting plate 4.1 corresponds to the connecting through holes of the steel pipe support flange 1.2, and the connecting sleeve 4 is fixedly connected at the upper part of the steel pipe support combination 1 through bolts and nuts;
the supporting and distributing beam 2 is of a double-spliced I-steel structure, and is shown in figure 3 of the specification; the connection of the support distribution beam 2 to the connection sleeve 4 is seen in fig. 5 of the description: the supporting distribution beam 2 is arranged in a supporting distribution beam hole 4.3 of the connecting sleeve 4, and is locked at the waist of the supporting distribution beam 2 by the end part of a bolt through locking threaded holes on the outer side surfaces of the supporting blocks 4.2 at the two sides, so that the supporting distribution beam 2 is fixedly connected with the connecting sleeve 4;
see fig. 6 of the specification: the adjusting column 3 comprises an adjusting column body 3.1 and an adjusting column base plate 3.2, the adjusting column body 3.1 is fixedly arranged in the middle of the upper part of the adjusting column base plate 3.2 through welding, and as the size of the adjusting column base plate 3.2 is far larger than the width of the leg of the supporting and distributing beam 2, a reinforcing rib 3.3 can be fixedly arranged between the adjusting column body 3.1 and the adjusting column base plate 3.2 through welding, and the welding connection strength between the adjusting column body 3.1 and the adjusting column base plate 3.2 is reinforced through the reinforcing rib 3.3, so that the connection structure strength of the adjusting column body 3.1 is ensured when the steel box girder temporary supporting frame is used for constructing extra-large bridges in windy areas; the adjusting column backing plate 3.2 of the adjusting column 3 is provided with a connecting through hole; when the adjusting column 3 is required to be fixedly connected with the supporting and distributing beam 2, the connecting sleeve 4 is fixedly connected to the supporting and distributing beam 2, the adjusting column base plate 3.2 of the adjusting column 3 is arranged on the connecting plate 4.1 at the upper part of the connecting sleeve 4, the connecting plate 4.1 and the connecting through holes of the adjusting column base plate 3.2 are corresponding, and the adjusting column 3 is fixedly connected to the upper part of the connecting sleeve 4 through bolts and nuts.
Embodiment two:
see fig. 8 of the specification: in the embodiment, the outer side surface of the supporting block 4.2 of the connecting sleeve 4 is flush with the corresponding side edge of the connecting plate 4.1, and the connecting sleeve 4 with the structure is more convenient to use a tool to lock a locking bolt laterally arranged on the supporting block 4.2 in the use process; in the embodiment, the support blocks 4.2 of the connecting sleeve 4 are provided with fixing threaded holes corresponding to the connecting through holes of the connecting plates 4.1 on the upper end face and the lower end face; when the connecting sleeve 4 is fixedly connected with the steel pipe support combination 1, referring to fig. 10 of the specification, a connecting plate 4.1 at the lower part of the connecting sleeve 4 is arranged at the upper part of a steel pipe support flange 1.2 of the steel pipe support combination 1, a fixing threaded hole of a supporting block 4.2 corresponds to a connecting through hole of the steel pipe support flange 1.2, and the connecting sleeve 4 is directly and fixedly connected at the upper part of the steel pipe support combination 1 through a bolt; when the adjusting column 3 is fixedly connected with the connecting sleeve 4, referring to fig. 11 of the specification, an adjusting column base plate 3.2 of the adjusting column 3 is arranged on a connecting plate 4.1 at the upper part of the connecting sleeve 4, a fixing threaded hole of the supporting block 4.2 corresponds to a connecting through hole of the adjusting column base plate 3.2, and the adjusting column base plate 3.2 of the adjusting column 3 is directly fixedly connected at the upper part of the connecting sleeve 4 through a bolt.
Embodiment III:
see fig. 12 of the specification: in this embodiment, in the supporting and distributing beam hole 4.3 formed between the connecting plate 4.1 and the supporting block 4.2, the i-steel leg grooves 4.4 at four corners of the supporting and distributing beam hole 4.3 are omitted, so that the inner side surface of the supporting block 4.2 is of a planar structure, and the processing of the supporting block 4.2 is more convenient.
The utility model is not described in detail in the prior art.
Claims (6)
1. A detachable connection structure of a temporary steel box girder support frame comprises a steel pipe support frame combination (1), a support distribution girder (2) and an adjusting column (3); the method is characterized in that: the steel pipe support combination (1) is fixedly connected with the supporting distribution beam (2) and the supporting distribution beam (2) is fixedly connected with the adjusting column (3) through the connecting sleeve (4).
2. The detachable connection structure of the temporary steel box girder supporting frame according to claim 1, wherein: the connecting sleeve (4) comprises connecting plates (4.1) and supporting blocks (4.2), the two supporting blocks (4.2) are symmetrically and fixedly arranged between the two connecting plates (4.1), and supporting distribution beam holes (4.3) are formed between the connecting plates (4.1) and the supporting blocks (4.2).
3. The detachable connection structure of the temporary steel box girder supporting frame according to claim 2, characterized in that: the steel pipe support combination (1) comprises a plurality of steel pipe supports (1.1), steel pipe support flanges (1.2) are fixedly arranged at two ends of each steel pipe support (1.1), and connecting sleeves (4) are fixedly arranged and connected to the tops of the steel pipe support flanges (1.2).
4. A steel box girder temporary supporting frame detachable connection structure according to claim 3, characterized in that: the supporting and distributing beam (2) is of a double-spliced I-steel structure; the supporting and distributing beam (2) is arranged in a supporting and distributing beam hole (4.3) of the connecting sleeve (4) and is fixedly connected with the connecting sleeve (4).
5. The detachable connection structure of the temporary steel box girder supporting frame according to claim 4, wherein: the adjusting column (3) comprises an adjusting column body (3.1) and an adjusting column base plate (3.2), and the adjusting column body (3.1) is fixedly arranged in the middle of the upper part of the adjusting column base plate (3.2); a reinforcing rib (3.3) is fixedly arranged between the adjusting column body (3.1) and the adjusting column base plate (3.2); the adjusting column (3) is fixedly connected with the connecting sleeve (4) through an adjusting column base plate (3.2).
6. The detachable connection structure of the temporary steel box girder supporting frame according to claim 4, wherein: the outer side surface of the supporting block (4.2) is lower than the corresponding side edge of the connecting plate (4.1); or the outer side surface of the supporting block (4.2) is flush with the corresponding side edge of the connecting plate (4.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223172397.1U CN219175015U (en) | 2022-11-29 | 2022-11-29 | Detachable connection structure of temporary steel box girder support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223172397.1U CN219175015U (en) | 2022-11-29 | 2022-11-29 | Detachable connection structure of temporary steel box girder support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219175015U true CN219175015U (en) | 2023-06-13 |
Family
ID=86675778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223172397.1U Active CN219175015U (en) | 2022-11-29 | 2022-11-29 | Detachable connection structure of temporary steel box girder support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219175015U (en) |
-
2022
- 2022-11-29 CN CN202223172397.1U patent/CN219175015U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11105084B1 (en) | Dry connection prefabricated assembly steel-concrete composite beam | |
| CN110206144B (en) | Construction method of steel reinforced column beam column joint | |
| CN103015329A (en) | I-section steel girder reinforcement small box girder structure | |
| CN213953079U (en) | Defect shear force wall bilateral support underpins structure | |
| CN101881029B (en) | Detachable tower foundation | |
| CN219175015U (en) | Detachable connection structure of temporary steel box girder support frame | |
| CN216184761U (en) | Adjustable transportation bed-jig of steel case roof beam | |
| KR101454888B1 (en) | Circle steel girder having horizontal support and girder bridge | |
| CN205295915U (en) | Wave form steel web nose girder | |
| CN108755438B (en) | Y-shaped pier continuous beam construction pi-shaped support and installation construction method thereof | |
| CN112878508A (en) | Repairable assembly type reinforced concrete column-steel beam column joint and construction method thereof | |
| CN210177367U (en) | Weak support system suitable for installation of steel structure of high tower steel-concrete combined beam | |
| CN210002576U (en) | connection structure of oblique steel skeleton column and oblique steel skeleton beam | |
| CN202248510U (en) | Transversely arranged brace rod type bailey | |
| CN210482048U (en) | Bent cap construction bracket | |
| KR101214531B1 (en) | A lifting apparatus of upper structure of bridge and lifting method of upper structure of bridge by using | |
| CN201704698U (en) | Detachable tower footing | |
| CN218233124U (en) | Truss girder for support-free strong-superposition steel-concrete superposed beam | |
| JPH047214Y2 (en) | ||
| CN217760228U (en) | Jacking tool for jig frame supporting system | |
| CN220150058U (en) | Connecting structure of corrugated steel web and reinforced concrete box girder | |
| CN220619795U (en) | Support for pushing steel box beam | |
| CN218147803U (en) | Support arrangement for bent cap construction | |
| CN218712139U (en) | Cast-in-place box girder | |
| CN217149911U (en) | Novel parallel-connection diagonal bracing truss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |