CN215564736U - Temporary supporting system for overweight steel beam - Google Patents
Temporary supporting system for overweight steel beam Download PDFInfo
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- CN215564736U CN215564736U CN202122107962.5U CN202122107962U CN215564736U CN 215564736 U CN215564736 U CN 215564736U CN 202122107962 U CN202122107962 U CN 202122107962U CN 215564736 U CN215564736 U CN 215564736U
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Abstract
The utility model provides a temporary supporting system for an overweight steel beam, which comprises: a bottom conversion support; the bottom conversion beam is arranged at the upper end of the bottom conversion support; the supporting jig frame is arranged at the upper end of the bottom conversion beam; the top conversion beam is arranged at the upper end of the support jig frame; and the hydraulic jack is arranged at the upper end of the top conversion beam. The utility model has the advantages of easy operability of precision control and scheme, is suitable for hoisting construction of the steel structure overweight steel beam with large span, limited hoisting field, insufficient capacity of hoisting and hoisting equipment and high requirement on installation precision, and can reduce and simplify the hoisting and installation difficulty of the steel structure and reduce the overhead operation in installation.
Description
Technical Field
The utility model relates to the technical field of hoisting of overweight steel beams, in particular to a temporary supporting system for the overweight steel beams.
Background
With the continuous development of economy in China, the demands on large-space and ultra-large-space buildings such as sports, leisure, exhibition, hangar and the like are continuously increased, the buildings generally adopt steel structures, and the buildings generally have the characteristics of large span, unique shape, complex stress and the like. In order to meet the requirement of large space use of buildings, a large number of oversized-section components and complex nodes are designed into the structure, so that new challenges and problems are brought to the hoisting and installation of the steel structure.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art, the present invention provides a temporary support system for an overweight steel beam.
The utility model provides a temporary supporting system for an overweight steel beam, which comprises:
a bottom conversion support;
the bottom conversion beam is arranged at the upper end of the bottom conversion support;
the supporting jig frame is arranged at the upper end of the bottom conversion beam;
the top conversion beam is arranged at the upper end of the support jig frame;
and the hydraulic jack is arranged at the upper end of the top conversion beam.
Preferably, the bottom conversion lug is made of H-shaped steel.
Preferably, the bottom converting supports are arranged in six rows, one in front of the other, and three in each row.
Preferably, the bottom transfer beam comprises two cross beams and two longitudinal beams; the two cross beams are respectively arranged on the bottom conversion support bracket of the front row and the bottom conversion support bracket of the rear row, and the two cross beams are connected through the two longitudinal beams.
Preferably, the supporting jig frame is made of a plurality of standard knots, and the standard knots are connected with the standard knots through flanges.
Preferably, the dimensions of the H-shaped steel are 300X 10 mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. the steel beam hoisting device adopts the supporting jig frame to hoist the steel beam, reduces the requirements of hoisting equipment and reduces the construction cost. Adopt the support bed-jig to support as interim in conventional steel construction hoist and mount construction technology, hoist overlength, overweight component segmentation, avoided overweight girder steel integral hoisting to jack-up lifting device's strict requirement, hoist and mount operation is accomplished to the less equipment of usable lifting capacity, can effectual reduction construction cost.
2. According to the utility model, the hydraulic jack is arranged at the top of the jig frame, so that the elevation can be flexibly adjusted, and the installation precision is ensured. Set up small-size hydraulic jack at the support bed-jig top, the girder steel is shelved on the jack after and is finely tuned the girder steel elevation through the jack, can solve and support the bed-jig installation error and lead to the problem that girder steel installation accuracy is not conform to the requirement, ensures steel construction installation accuracy.
3. The utility model is provided with the conversion beam and the conversion support, thereby dispersing concentrated load, improving safety factor, flexibly adjusting height and improving installation precision. The bottom of the supporting jig frame is provided with the conversion beam and the conversion support, so that the load of the upper overweight steel beam and the supporting frame is uniformly transmitted to the foundation or the underlying structure, the adverse effect of overlarge concentrated load on the foundation or the underlying structure is avoided, and the construction safety is ensured; the top conversion beam is arranged on the top plate of the supporting jig frame, the height of the supporting jig frame is flexibly adjusted, the installation elevation of the upper steel member is ensured to meet the design requirement, and the installation precision is ensured.
4. The utility model has the advantages of easy operability of precision control and scheme, is suitable for hoisting construction of the steel structure overweight steel beam with large span, limited hoisting field, insufficient capacity of hoisting and hoisting equipment and high requirement on installation precision, and can reduce and simplify the hoisting and installation difficulty of the steel structure and reduce the overhead operation in installation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a bottom transition lug and a bottom transition beam in an embodiment of the present invention.
Fig. 3 is a schematic structural view illustrating the installation of the overweight steel beam in the embodiment of the present invention.
Wherein, 1, the bottom is supported by a conversion bracket; 2. a bottom transfer beam; 3. supporting the jig frame; 4. a guy rope; 5. a top transfer beam; 6. a hydraulic jack; 7. cantilever section steel beams; 8. a steel beam at the middle section; 9. a substructure steel beam.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific drawings.
Examples
As shown in fig. 1 to 3, a temporary support system for an overweight steel beam includes: the bottom conversion support bracket comprises a bottom conversion support bracket 1, wherein the bottom conversion support bracket 1 is made of H-shaped steel and is arranged in six rows, one row is arranged in front of the other, three rows are arranged at each row, a bottom conversion beam 2 is arranged at the upper end of the bottom conversion support bracket 1, the bottom conversion beam 2 comprises two cross beams and two longitudinal beams, the two cross beams are respectively welded and fixed with the bottom conversion support bracket 1 in the front row and the bottom conversion support bracket 1 in the rear row, and the two cross beams are welded and connected through the two longitudinal beams; the upper end of the bottom conversion beam 2 is provided with a supporting jig frame 3, the upper end of the supporting jig frame 3 is provided with a top conversion beam 5, and the upper end of the top conversion beam 5 is provided with a hydraulic jack 6.
The construction method of the embodiment comprises the following steps:
s1, mounting a bottom conversion bracket: 1) and (3) measurement and paying-off: measuring the positions of bottom conversion supports on a lower-layer structural steel beam 9 according to the arrangement positions of the support formworks, wherein 6 bottom conversion supports are arranged below each support formworks and divided into a front row and a rear row, each row is 3, and the distance between the front row and the rear row is 2.5 m; 2) welding and fixing: an H-shaped steel with the thickness of 300 multiplied by 10mm is adopted as a bottom conversion bracket 1 and is welded and fixed with a lower-layer structural steel beam 9.
S2, mounting a bottom transfer beam: after the bottom conversion bracket 1 is welded and fixed, two bottom conversion beams 2 in longitudinal and transverse directions are arranged on the bottom conversion bracket 1, and the cross section size of each bottom conversion beam 2 is 400 multiplied by 10 mm.
S3, mounting a standard tire-saving frame: after the bottom conversion support bracket 1 and the bottom conversion beam 2 are welded and fixed, a standard knot for supporting a jig frame 3 is arranged on the bottom conversion beam 2.
The standard knot of supporting bed-jig 3 adopts lattice formula bearing structure, the standard knot height divide into two kinds 4m and 6m, the plane size is 2.5 x 2.5m, all steel materials are Q345B, every section bed-jig comprises two structures and the pipe of studding, two structures and the pipe of studding adopt big hexagonal head high strength pressure-bearing type bolted connection, wherein, the supporting main column adopts phi 219 x 8mm steel pipe, the pipe of studding adopts phi 95 x 6mm steel pipe, adopt the ring flange to connect between standard knot and the standard knot, single standard knot bearing capacity can reach 4300kN, the flexible collocation adjustment can be carried out according to upper portion girder steel design elevation to standard knot installation height.
The supporting jig frame is welded with the lower-layer structural steel beam 9 through the bottom conversion support 1, the upper portion of the bottom conversion support 1 is welded with the bottom conversion beam 2, the supporting jig frame is integrally arranged on the bottom conversion beam 2, and the weight of the upper overweight steel beam component and the weight of the supporting jig frame are uniformly dispersed onto the lower-layer structural steel beam 9.
S4, arranging a cable rope: two guy cables 4 are arranged at the mounting height 2/3 of each supporting jig frame, and the guy cables 4 are fixed on steel columns at two sides or fixed pieces welded on steel beams so as to ensure the stability of the supporting jig frames;
s5, installing a hydraulic jack: a top conversion beam 5 is arranged at the upper end of the support jig frame, and a hydraulic jack 6 is arranged on the top conversion beam 5; the type and the number of the hydraulic jacks 6 can be flexibly adjusted according to the specific conditions of the overweight structural steel beam, the segmented steel beam is firstly placed on the hydraulic jacks temporarily during hoisting, and the installation elevation of the steel beam is accurately controlled by adjusting the hydraulic jacks.
S6, mounting the steel beam in sections: 1) installing steel beams 7 at overhanging sections of two sides: after the supporting jig frame and the hydraulic jack 6 are installed, hoisting overhanging section steel beams 7 on two sides in a segmented mode in sequence, placing the overhanging section steel beams 7 on the column side bracket and the hydraulic jack 6, adjusting the elevation to the design requirement by controlling the hydraulic jack 6, welding and connecting the steel beams and the steel column, and loosening and hoisting steel wire ropes after welding; 2) installing a middle section steel beam 8: after the cantilever section steel beams 7 on the two sides are installed, hoisting the middle section steel beams 8.
S7, welding to complete steel beam connection: after the elevation of the middle section steel beam 8 is adjusted to the design requirement, the middle section steel beam 8 and the overhanging section steel beam 7 are connected in a welding mode, and after the welding is finished, a hoisting steel wire rope can be loosened;
s8, removing the jig frame, and finishing the installation: and after the overweight steel beam is welded, the supporting jig frame is dismantled layer by layer from top to bottom.
In the embodiment, the construction method of the assembled supporting jig frame is adopted, the overweight and overlong steel beams are hoisted in sections, the requirements on hoisting equipment can be effectively reduced, and the mechanical lease cost is reduced; the small hydraulic jack is arranged at the top end of the support jig frame, so that the mounting height can be finely adjusted, and the mounting precision of the steel beam is ensured; the supporting jig frame can be used in a turnover mode, is green and environment-friendly, and meets the requirement of sustainable development; the conversion beam and the conversion support not only effectively reduce concentrated load and reduce the influence on the underlying structure, but also can adjust the height to ensure the installation precision of the steel beam.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.
Claims (6)
1. A temporary support system for an overweight steel beam, comprising:
a bottom conversion support;
the bottom conversion beam is arranged at the upper end of the bottom conversion support;
the supporting jig frame is arranged at the upper end of the bottom conversion beam;
the top conversion beam is arranged at the upper end of the support jig frame;
and the hydraulic jack is arranged at the upper end of the top conversion beam.
2. The temporary support system for an overweight steel beam as set forth in claim 1, wherein the bottom conversion bracket is made of H-shaped steel.
3. The temporary support system for an overweight steel beam as set forth in claim 1 or 2, wherein the bottom conversion lugs are provided in six, arranged in two rows one behind the other, three in each row.
4. The temporary support system for a super heavy steel girder according to claim 3, wherein the bottom transfer beam comprises two cross beams and two longitudinal beams; the two cross beams are respectively arranged on the bottom conversion support bracket of the front row and the bottom conversion support bracket of the rear row, and the two cross beams are connected through the two longitudinal beams.
5. A temporary support system for overweight steel beams as claimed in claim 1, wherein the support moulding bed is made of a plurality of standard knots, and the standard knots are connected with each other by flanges.
6. The temporary support system for an overweight steel beam as set forth in claim 2, wherein the size of the H-shaped steel is 300 x 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122107962.5U CN215564736U (en) | 2021-09-02 | 2021-09-02 | Temporary supporting system for overweight steel beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122107962.5U CN215564736U (en) | 2021-09-02 | 2021-09-02 | Temporary supporting system for overweight steel beam |
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| Publication Number | Publication Date |
|---|---|
| CN215564736U true CN215564736U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122107962.5U Active CN215564736U (en) | 2021-09-02 | 2021-09-02 | Temporary supporting system for overweight steel beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438892A (en) * | 2022-02-11 | 2022-05-06 | 中铁四局集团有限公司 | Multifunctional copying pad tool for steel beam assembly |
| CN114482624A (en) * | 2022-03-23 | 2022-05-13 | 中国十七冶集团有限公司 | Back-jacking supporting system for structural slab conversion operation platform and construction method thereof |
-
2021
- 2021-09-02 CN CN202122107962.5U patent/CN215564736U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438892A (en) * | 2022-02-11 | 2022-05-06 | 中铁四局集团有限公司 | Multifunctional copying pad tool for steel beam assembly |
| CN114482624A (en) * | 2022-03-23 | 2022-05-13 | 中国十七冶集团有限公司 | Back-jacking supporting system for structural slab conversion operation platform and construction method thereof |
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