CN114438897B - A steel box girder wing bracket - Google Patents
A steel box girder wing bracket Download PDFInfo
- Publication number
- CN114438897B CN114438897B CN202210162879.4A CN202210162879A CN114438897B CN 114438897 B CN114438897 B CN 114438897B CN 202210162879 A CN202210162879 A CN 202210162879A CN 114438897 B CN114438897 B CN 114438897B
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- bracket
- box girder
- steel box
- plate
- contact plate
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
本发明提供了一种钢箱梁翼板托架，属于桥梁施工技术领域。所述的钢箱梁翼板托架包括一体支架和支撑组件，一体支架的下部安装有支撑组件，上部通过固定螺栓与钢箱梁翼板托板连接。本发明接触板角度可调，接触板能够与钢箱梁腹板始终贴合，确保接触板始终与钢箱梁腹板最大面积接触，既不会引起接触板破裂，同时接触点接触面积大，不会损伤钢箱梁腹板，整个托架的整体支撑稳定性强。设置辅助安装吊装组件，在安装过程中能够辅助安装及固定一体支架，消除高空坠物的风险，通过辅助安装吊装组件适应性的调整一体支架的倾角，保证一体支架的倾角始终与接触板的角度相适应，确保托架的支撑稳定性。
The present invention provides a steel box girder wing bracket, which belongs to the technical field of bridge construction. The steel box girder wing bracket includes an integrated bracket and a support assembly, the lower part of the integrated bracket is equipped with a support assembly, and the upper part is connected to the steel box girder wing bracket by fixing bolts. The contact plate of the present invention has an adjustable angle, and the contact plate can always fit with the steel box girder web, ensuring that the contact plate always contacts with the maximum area of the steel box girder web, which will not cause the contact plate to break. At the same time, the contact point has a large contact area and will not damage the steel box girder web. The overall support stability of the entire bracket is strong. An auxiliary installation hoisting assembly is provided, which can assist in the installation and fixing of the integrated bracket during the installation process, eliminate the risk of falling objects from high altitude, and adaptively adjust the inclination angle of the integrated bracket through the auxiliary installation hoisting assembly to ensure that the inclination angle of the integrated bracket is always adapted to the angle of the contact plate, thereby ensuring the support stability of the bracket.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a steel box girder wing plate bracket.
Background
The steel box girder is generally used for a large-span high pier bridge, a traditional full framing method cannot be adopted to pour wing plates due to overhigh pier parts, and the steel box girder is not suitable for a bailey frame and full framing method due to overlarge spans.
In the existing construction process, the common bracket is generally fixed below the wing plate through a screw fixing support upper structure, the lower end of the support is connected with the support through a screw, and the wood block is used as a cushion block, so that the wood block is attached to a steel box girder web plate, and fixation is realized. The angle of the wood block cannot be adjusted in the fixing mode, if the edges of the wood block are clamped on the web plate of the steel box girder, the wood block is broken, and after the wood is broken, an iron column foot damages the web plate, so that the bottom support is damaged, and the overall stability is affected; in addition, the wood block is generally fixed on the wood block fixer directly through bolts, the wood block is not limited in rotation, if the wood block is damaged, horizontal rotation can occur, and the overall result is greatly influenced in safety. In addition, the wood block is manufactured on site, and the wood block cannot be used for the second time after being generally used, so that waste on resources is caused, different brackets are required to be manufactured aiming at steel box girder webs with different dip angles, and the time and manufacturing cost are high.
When the existing bracket is constructed on site, a worker needs to lift the bracket by adopting a simple lever structure, slowly moves to the lower part of the edge of the box, and lies prone to the edge of the box to adjust the position and the angle of the bracket, so that the bracket reaches the installation position, and a third worker performs anchoring operation, so that the installation needs at least three workers to finish the labor consumption, and the simple lever structure lacks stability, so that the direction and the angle of the lever are difficult to accurately control. When the simple lever is constructed, an operator who adjusts the bracket leans on the edge of the box to work, so that the difficulty is high and the potential safety hazard is great. For convenient operation, the bracket and the simple suspender are only bound by ropes, and the suspended installation and adjustment have the falling danger, so that the suspended installation and adjustment device has great potential safety hazard.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides the steel box girder wing plate bracket, the angle of the contact plate is adjustable, the angle of the contact plate can be adjusted according to the angle of the steel box girder web, the contact plate can be always attached to the steel box girder web, the bracket device can be ensured to stably support the steel box girder web, and the bracket device can be used for assisting in installing an integrated bracket through assisting in installing a hoisting assembly, so that the operation safety is improved.
The technical scheme adopted for solving the technical problems is as follows:
the steel box girder wing plate bracket comprises an integrated bracket and a supporting component, wherein the supporting component is arranged at the lower part of the integrated bracket, and the upper part of the integrated bracket is connected with the steel box girder wing plate bracket by a fixing bolt;
The supporting component comprises a supporting rod, a limiting plate, screw shafts, contact plates and adjusting bolts, wherein the supporting rod is fixedly connected with an integrated support, the limiting plate is fixed on the supporting rod, the upper ends of the contact plates are rotatably arranged on the limiting plate through the screw shafts, the two ends of the screw shafts are locked with the two sides of the limiting plate through nuts, the adjusting bolts for adjusting the angles of the contact plates are arranged in the middle of the limiting plate, the screw out ends of the adjusting bolts are propped against the middle of the contact plates, and the contact plates are attached to a web plate of a steel box girder.
Further, a rubber gasket is arranged on the contact surface of the contact plate, which is contacted with the steel box girder web plate.
Further, the contact plate is of a convex structure, and convex parts at two sides of the bottom of the convex structure are arc-shaped.
Further, the steel box girder wing plate bracket also comprises an auxiliary installation hoisting assembly and a cushion block, wherein the auxiliary installation hoisting assembly is used for auxiliary installation and fixing of the integrated bracket, one end of the auxiliary installation hoisting assembly is fixed with the steel box girder wing plate bracket, the other end of the auxiliary installation hoisting assembly is fixed with the integrated bracket, the cushion block is clamped between the top of the integrated bracket and the steel box girder wing plate bracket, and the cushion block is positioned between the auxiliary installation hoisting assembly and the connection point of the integrated bracket and the connection point of the fixing bolt.
Further, supplementary hoist ware include sliding sleeve, slide rail, joint board, staple bolt and screens bolt, slide rail one end pass through joint board joint on steel case girder pterygoid lamina layer board, the slip cover is equipped with the sliding sleeve on the slide rail, the sliding sleeve outer end is fixed with the staple bolt, the staple bolt is embraced and is detained on integrative support upper portion, all sets up the screens bolt that is used for adjusting integrative support inclination on two semicircle hoop boards of staple bolt.
Further, the number of the clamping bolts is eight, and the front end and the rear end of each semicircular hoop plate of the hoop are respectively provided with two clamping bolts.
The invention has the beneficial effects that:
1. according to the invention, the angle of the contact plate is adjustable, and the angle of the contact plate can be adjusted according to the inclination angle of the steel box girder web, so that the contact plate can be always attached to the steel box girder web, the contact plate is ensured to be always contacted with the steel box girder web in the largest area, the contact plate is not broken, meanwhile, the contact area of the contact point is large, the steel box girder web is not damaged, and the whole support stability of the whole bracket is strong. The steel box girder web plate supporting device is suitable for supporting steel box girder webs with different dip angles, and is wide in application range and reusable.
2. Through screw shaft installation contact plate, the contact plate only can vertical rotation angle regulation, can't the horizontal rotation, can not lead to the fact the influence to whole supporting stability.
3. The contact plate is of a convex structure, the convex parts on two sides of the bottom of the convex structure are arc-shaped, and on one hand, the convex parts can increase the contact area between the contact plate and the steel box girder web plate and improve the bearing capacity of the contact plate; on the other hand, the bracket can be limited to shake randomly in the horizontal direction, so that the support stability of the bracket is further ensured, and the construction safety is ensured.
4. The auxiliary installation hoisting assembly is arranged, the integrated support can be installed and fixed in an auxiliary manner in the installation process, the risk of falling objects at high altitude is eliminated, and an installer can adjust the inclination angle of the integrated support according to the angle of the contact plate in an assembling process, through the auxiliary installation hoisting assembly, the inclination angle of the integrated support is ensured to be always adapted to the angle of the contact plate, and the support stability of the bracket is ensured. Through the inclination of the integrative support of sliding sleeve and slide rail fine setting when the installation, constructor need not to lie prone again in case roof beam edge adjustment pterygoid lamina bracket, eliminates the operation danger.
Drawings
Fig. 1 is a schematic view of the overall installation of the present invention.
Fig. 2 is a front elevational schematic of the overall installation of the present invention.
Fig. 3 is a schematic view of the overall structure of the present invention.
Fig. 4 is a schematic perspective view of a support assembly according to the present invention.
Fig. 5 is a schematic front view of the support assembly of the present invention.
Fig. 6 is a schematic view of the auxiliary installation hoist assembly of the present invention.
In the figure, a 1-integrated bracket, a 2-supporting component, a 3-fixing bolt, a 4-steel box girder wing plate supporting plate, a 5-steel box girder web plate, a 6-auxiliary installation hoisting component, a 7-cushion block, a 21-supporting rod, a 22-limiting plate, a 23-contact plate, a 24-screw shaft, a 25-adjusting bolt, a 26-rubber gasket, a 61-sliding sleeve, a 62-sliding rail, a 63-clamping plate, a 64-hoop and a 65-clamping bolt.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the embodiment and the attached drawings.
As shown in fig. 1-6, a bracket of a steel box girder wing plate supporting plate 4 comprises an integrated bracket 1and a supporting component 2, wherein the integrated bracket 1 is formed by welding two cross bars and two connecting rods, the two cross bars are arranged in an up-down parallel manner, the two connecting rods are welded between the two cross bars to form the integrated bracket 1, the supporting component 2 is arranged on the lower cross bar of the integrated bracket 1, the upper cross bar is connected with the steel box girder wing plate supporting plate 4 through a fixing bolt 3, and a steel box girder web 5 is supported through the supporting component 2.
The supporting component 2 comprises a supporting rod 21, limiting plates 22, screw shafts 24, contact plates 23 and adjusting bolts 25, the supporting rod 21 is fixedly connected with the integrated support 1, the limiting plates 22 are fixedly arranged on the supporting rod 21, the upper ends of the contact plates 23 are rotatably arranged on the limiting plates 22 through screw shafts 24, the two ends of the screw shafts 24 are locked with the two sides of the limiting plates 22 through nuts, the adjusting bolts 25 used for adjusting the angles of the contact plates 23 are arranged in the middle of the limiting plates 22, the screwed-out ends of the adjusting bolts 25 are propped against the middle of the contact plates 23, the contact plates 23 are attached to the steel box girder webs 5, and preferably, the contact plates 23 are made of steel, so that the contact plates 23 are prevented from being broken through by the adjusting bolts 25. According to the angle of the contact plate 23 which can be adjusted according to the inclination angle of the steel box girder web 5, during adjustment, nuts at two ends of the screw shaft 24 are loosened, the screw shaft 24 can drive the contact plate 23 to rotate, then the adjusting bolt 25 is rotated, the unscrewing length of the adjusting bolt 25 is changed, the inclination angle of the contact plate 23 is consistent with the inclination angle of the steel box girder web 5, the contact plate 23 can be always attached to the steel box girder web 5, and after adjustment is completed, the nuts at two ends of the screw shaft 24 are locked. According to the invention, the supporting component 2 is arranged at the lower part of the integrated bracket 1, the angle of the contact plate 23 of the supporting component 2 is adjustable, the contact plate 23 is always attached to the steel box girder web 5, the edge of the contact plate 23 is not clamped on the steel box girder web 5, the contact plate 23 is ensured to be always contacted with the largest area of the steel box girder web 5, the contact plate 23 is not broken, meanwhile, the contact area of the contact point is large, the steel box girder web 5 is not damaged, and the whole bracket has strong overall supporting stability. Meanwhile, the contact plate 23 is installed through the screw shaft 24, the contact plate 23 can only vertically rotate for adjusting the angle and cannot horizontally rotate, and the stability of the whole support cannot be affected. In addition, as the angle of the contact plate 23 is adjustable, the support device can be suitable for supporting the steel box girder web 5 with different inclination angles, has wide application range, can be repeatedly used, avoids material waste, does not need to repeatedly manufacture different brackets, and saves time and manufacturing cost.
The contact plate 23 is of a convex structure, the convex parts on the two sides of the bottom of the convex structure are arc-shaped, and the convex parts can increase the contact area between the contact plate 23 and the steel box girder web 5 on one hand and improve the bearing capacity of the contact plate; on the other hand, the bracket can be limited to shake randomly in the horizontal direction, so that the support stability of the bracket is further ensured, and the construction safety is ensured. The contact surface of the contact plate 23 and the steel box girder web 5 is provided with the rubber gasket 26, each rubber gasket 26 is cut off to 2-3mm, the contact friction force with the steel box girder web 5 is increased, the deformation of the contact part is reduced, and the steel box girder web 5 is prevented from being damaged.
The bracket of the steel box girder wing plate supporting plate 4 further comprises an auxiliary installation lifting assembly 6 and a cushion block 7, wherein the auxiliary installation lifting assembly is used for auxiliary installation and fixing of the integrated bracket 1, one end of the auxiliary installation lifting assembly 6 is fixed with the steel box girder wing plate supporting plate 4, the other end of the auxiliary installation lifting assembly is fixed with the integrated bracket 1, the cushion block 7 is clamped between the top of the integrated bracket 1 and the steel box girder wing plate supporting plate 4 and is positioned between the auxiliary installation lifting assembly 6 and the connection point of the integrated bracket 1 and the connection point of the fixing bolt 3, and the auxiliary installation lifting assembly 6 and the fixing bolt 3 are matched through the cushion block 7 to support the integrated bracket 1 and the steel box girder wing plate supporting plate 4, so that vertical shaking can not occur when the integrated bracket 1 is lifted. The auxiliary hoisting device comprises a sliding sleeve 61, a sliding rail 62, a clamping plate 63, a hoop 64 and a clamping bolt 65, one end of the sliding rail 62 is clamped on the steel box girder wing plate supporting plate 4 through the clamping plate 63, the sliding sleeve 61 is sleeved on the sliding rail 62 in a sliding manner, the hoop 64 is fixed at the outer end of the sliding sleeve 61, the hoop 64 is buckled on the upper portion of the integral support 1, and the auxiliary installation hoisting assembly 6 can be connected with the integral support 1 through the hoop 64, so that adjustment and disassembly are convenient. The two semicircular hoop plates of the hoop 64 are provided with the clamping bolts 65 for adjusting the inclination angle of the integrated bracket 1, as the optimization, the clamping bolts 65 are eight, the front end and the rear end of each semicircular hoop plate of the hoop 64 are respectively provided with two clamping bolts 65, each two clamping bolts 65 are in a group, the upper cross rod of the integrated bracket 1 is locked by matching the upper clamping bolts 65 and the lower clamping bolts 65, the whole angle of the integrated bracket 1 is changed by changing the unscrewing length of the four clamping bolts 65 on the inner side of the hoop plate, and when the angle of the lower contact plate 23 changes due to different angles of the steel box girder webs 5, an installer can adjust the inclination angle of the integrated bracket 1 according to the angle of the contact plate 23 in an adaptive manner, ensure that the inclination angle of the integrated bracket 1 is always matched with the angle of the contact plate 23, and ensure the support stability of the bracket with extremely high safety. Simultaneously set up slide rail 62 and sliding sleeve 61, can adjust the position of holding down of staple bolt 64 through sliding sleeve 61, avoid because of holding down the position too and being close to fixing bolt 3 and lead to integrative support 1 whole to outside slope, guarantee that the support focus is off the inboard all the time, guarantee its supporting stability. Moreover, with auxiliary installation hoist and mount subassembly 6 as the temporary fixing device of pterygoid lamina bracket, when the installation, can finely tune the inclination of integrative support 1 through sliding sleeve 61 and slide rail 62 when the installation, the constructor need not to lie prone again in case roof beam edge adjustment pterygoid lamina bracket, eliminates the operation danger, simultaneously, auxiliary installation hoist and mount subassembly 6 can be fixed to it stably when installing the pterygoid lamina bracket, has eliminated the risk that the bracket falls aloft.
The application process of the invention comprises the following steps:
before installation, the angle of the contact plate 23 is adjusted according to the inclination angle of the steel box girder web 5, during adjustment, nuts at two ends of the screw shaft 24 are loosened, the screw shaft 24 can drive the contact plate 23 to rotate, then the adjusting bolt 25 is rotated, the unscrewing length of the adjusting bolt 25 is changed, the inclination angle of the contact plate 23 is consistent with the inclination angle of the steel box girder web 5, the contact plate 23 can be always attached to the steel box girder web 5, and after adjustment is completed, the nuts at two ends of the screw shaft 24 are locked.
During installation, the integrated support 1 is clasped through the anchor ear 64, then the inclination of the integrated support 1 is adjusted through the clamping bolt 65, the clamping bolt 65 is locked, then the integrated support 1 is hung on the steel box girder wing plate supporting plate 4 through auxiliary installation, the clamping plate 63 is clamped on the inner side of the steel box girder wing plate supporting plate 4, the position of the integrated support 1 is adjusted, the contact plate 23 is attached to the steel box girder web 5, then the cushion block 7 is padded, and the integrated support 1 is fixed through the fixing bolt 3.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the invention, and that, although the invention has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (3)
1. A steel case roof beam pterygoid lamina bracket, its characterized in that: the steel box girder wing plate bracket comprises an integrated bracket and a supporting component, wherein the supporting component is arranged at the lower part of the integrated bracket, and the upper part of the integrated bracket is connected with the steel box girder wing plate bracket through a fixing bolt;
The supporting component comprises a supporting rod, a limiting plate, a screw shaft, a contact plate and an adjusting bolt, wherein the supporting rod is fixedly connected with the integrated bracket, the limiting plate is fixed on the supporting rod, the upper end of the contact plate is rotatably arranged on the limiting plate through the screw shaft, two ends of the screw shaft are locked with two sides of the limiting plate through nuts, the adjusting bolt for adjusting the angle of the contact plate is arranged in the middle of the limiting plate, the unscrewed end of the adjusting bolt props against the middle of the contact plate, and the contact plate is attached to a web plate of a steel box girder;
the steel box girder wing plate bracket also comprises an auxiliary installation hoisting assembly and a cushion block, wherein the auxiliary installation hoisting assembly is used for auxiliary installation and fixing of the integrated bracket, one end of the auxiliary installation hoisting assembly is fixed with the steel box girder wing plate bracket, the other end of the auxiliary installation hoisting assembly is fixed with the integrated bracket, the cushion block is clamped between the top of the integrated bracket and the steel box girder wing plate bracket, and the cushion block is positioned between the connection point of the auxiliary installation hoisting assembly and the integrated bracket and the connection point of the fixing bolt;
The auxiliary installation hoisting assembly comprises a sliding sleeve, a sliding rail, a clamping plate, hoops and clamping bolts, wherein one end of the sliding rail is clamped on a steel box girder wing plate supporting plate through the clamping plate, the sliding rail is sleeved with the sliding sleeve in a sliding manner, the outer end of the sliding sleeve is fixedly provided with the hoops, the hoops are buckled on the upper part of the integral support, and the clamping bolts for adjusting the inclination angle of the integral support are arranged on two semicircular hoop plates of the hoops;
the clamping bolts are eight in number, and the front end and the rear end of each semicircular hoop plate of the hoop are two in number.
2. A steel box girder wing bracket according to claim 1, wherein: and a rubber gasket is arranged on the contact surface of the contact plate, which is contacted with the steel box girder web plate.
3. A steel box girder wing bracket according to claim 1, wherein: the contact plate is of a convex structure, and convex parts at two sides of the bottom of the convex structure are arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162879.4A CN114438897B (en) | 2022-02-22 | 2022-02-22 | A steel box girder wing bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162879.4A CN114438897B (en) | 2022-02-22 | 2022-02-22 | A steel box girder wing bracket |
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| Publication Number | Publication Date |
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| CN114438897A CN114438897A (en) | 2022-05-06 |
| CN114438897B true CN114438897B (en) | 2024-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210162879.4A Active CN114438897B (en) | 2022-02-22 | 2022-02-22 | A steel box girder wing bracket |
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| CN (1) | CN114438897B (en) |
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| CN215052212U (en) * | 2021-06-08 | 2021-12-07 | 尤全章 | Road and bridge T roof beam supporting device for hogging moment |
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| CN202627547U (en) * | 2012-06-08 | 2012-12-26 | 中国核工业第五建设有限公司 | Device for installing penetrating piece sleeving pipe of steel containment for nuclear island of nuclear power station |
| DK3239431T4 (en) * | 2016-04-26 | 2025-04-28 | Leviat GmbH | Support bracket for attaching a cladding to a load-bearing wall |
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| JP7493749B2 (en) * | 2020-02-12 | 2024-06-03 | エヌパット株式会社 | Support structure and connecting member used therein |
| CN212611993U (en) * | 2020-05-14 | 2021-02-26 | 中交一公局集团有限公司 | Flange plate bracket |
| CN212670316U (en) * | 2020-05-17 | 2021-03-09 | 北京市政建设集团有限责任公司 | Boundary beam wing plate support device for concrete pouring of steel-concrete composite beam |
| CN212897498U (en) * | 2020-07-07 | 2021-04-06 | 中国能源建设集团山西电力建设有限公司 | Hanging basket for construction and installation of air-cooled windshield wall panels |
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| CN108193599A (en) * | 2017-12-28 | 2018-06-22 | 中铁十局集团第四工程有限公司 | Structural system and construction method of cantilever support for cast-in-place flange plates of steel-concrete composite beams |
| CN215052212U (en) * | 2021-06-08 | 2021-12-07 | 尤全章 | Road and bridge T roof beam supporting device for hogging moment |
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| CN114438897A (en) | 2022-05-06 |
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