CN213774620U - Temporary support system for inverse installation of steel truss hanging structure - Google Patents
Temporary support system for inverse installation of steel truss hanging structure Download PDFInfo
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- CN213774620U CN213774620U CN202120883903.4U CN202120883903U CN213774620U CN 213774620 U CN213774620 U CN 213774620U CN 202120883903 U CN202120883903 U CN 202120883903U CN 213774620 U CN213774620 U CN 213774620U
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Abstract
The utility model discloses a temporary support system for inverse installation of a steel truss hanging structure, wherein the hanging structure is installed before a steel truss through the temporary support system, the hanging structure comprises a hanging upright post and a hanging cross beam, and the temporary support system comprises a track support, a transition cross beam, a support point and a tie bar; the transition beam is vertically arranged at the top of the track support and fixedly connected with a flange steel plate at the top of the track support and connected into a whole through a tie bar, and the transition beam is provided with a supporting point. The utility model discloses a set up interim support system and changed conventional construction order to realize suspended structure's contrary installation, need not the construction restriction of waiting for the steel truss installation, one-step earlier establishes interim support system, accomplishes suspended structure's installation, has shortened construction cycle greatly, has reduced the construction technology degree of difficulty.
Description
Technical Field
The utility model relates to a steel truss suspended structure installs technical field, especially relates to a steel truss suspended structure installs and uses support system.
Background
Along with the development of the building field in China, the change of the building structure form is changed day by day, and in a large-space steel structure, when a hanging type steel structure appears, great construction difficulty is brought to the site. Installation of steel truss suspended structure, the conventionality is many after constructing upper portion major structure earlier, installs the continuous construction order of suspended structure again, and it faces following construction problem: the steel truss hanging type structure is difficult to construct, installation precision and deflection control are difficult, the rear-mounted hanging structure influences the downward deflection deformation of the upper steel truss, construction progress is slow, and construction safety risk is high.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel truss suspended structure is against installing with interim support system, it can solve prior art's above-mentioned problem.
In order to achieve the purpose, the utility model provides a temporary support system for inverse installation of a steel truss hanging structure, wherein the hanging structure is installed before a steel truss through the temporary support system, the hanging structure comprises a hanging upright post and a hanging cross beam, and the temporary support system comprises a track support, a transition cross beam, a support point and a tie bar; the transition beam is vertically arranged at the top of the track support and fixedly connected with a flange steel plate at the top of the track support and connected into a whole through a tie bar, and the transition beam is provided with a supporting point.
In one or more embodiments, the rail support is a cylindrical structure, a support bottom plate is arranged at the bottom of the rail support, the support bottom plate is an annular structure, the support bottom plate is closely attached to an embedded plate supporting the embedded part, and the support bottom plate is fixed through a plurality of fixing plates.
In one or more embodiments, the number of the fixing plates is eight, the eight fixing plates are uniformly arranged at intervals along the circumferential direction of the supporting base plate, the fixing plates are L-shaped steel plates, one end of each fixing plate is fixedly connected with the supporting embedded part, and the other end of each fixing plate is fixedly connected with the rail support.
In one or more embodiments, the supporting embedded parts and the fixing plates are double-sided fillet welds, and the height of the welds is 10 mm.
In one or more embodiments, the supporting points include a main supporting point and a secondary supporting point, the main supporting point is arranged at a supporting position of the vertical hanging structure, a rectangular square box is formed by assembling and welding steel plates, three reinforcing vertical plates are arranged in each direction outside the rectangular square box, two steel plates are butt-welded on two sides of the upper flange of the transition beam at the position of the main supporting point, three oblique stiffening ribs are respectively arranged on two sides of the web, the secondary supporting point is arranged below the horizontal hanging structure and is welded and connected with the transition beam, and the web of the transition beam is provided with the stiffening ribs of the transition beam at the position of the secondary supporting point.
In one or more embodiments, the rail support is made of a steel pipe with a diameter of 609-620 mm and a wall thickness of 16-18 mm, the thickness of the flange steel plate is 20mm, and the specification of the fixing plate is 20 x 100 x 130 mm.
In one or more embodiments, the transition cross beam is made of HW400 x 400 section steel, and the transition cross beam is welded with a flange steel plate and is integrally connected through a tie rod of phi 133x4 mm.
In one or more embodiments, a steel strip is arranged between the supporting bottom plate and the embedded plate of the supporting embedded part along the circumference of the supporting bottom plate.
Compared with the prior art, according to the utility model discloses a contrary installation of steel truss suspended structure is with interim braced system has following advantage: the utility model discloses a set up interim support system and changed conventional construction order to realize suspended structure's contrary installation, need not the construction restriction of waiting for the steel truss installation, one step earlier establishes interim support system, accomplishes suspended structure's installation, is supporting the installation of accomplishing the steel truss through suspended structure self and interim, has shortened construction cycle greatly, has reduced the construction technology degree of difficulty, and effective control installation accuracy and amount of deflection warp are out of shape, reduce construction safety risk.
Drawings
Fig. 1 is a schematic elevation view of a steel truss hanging structure and a temporary supporting system according to a preferred embodiment of the present invention.
Fig. 2 is a schematic side elevation view of a steel truss hanging structure and a temporary support system according to a preferred embodiment of the present invention.
Figure 3 is a schematic elevational view of the track support foot attachment of the preferred embodiment of the present invention.
Figure 4 is a schematic plan view of the track support foot attachment of the preferred embodiment of the present invention.
Fig. 5 is a schematic elevational view of a support point in accordance with a preferred embodiment of the present invention.
FIG. 6 is a schematic side elevational view of a preferred embodiment of the support point of the present invention.
Description of the main reference numerals:
1-hanging upright columns; 2-hanging the beam; 3-steel truss bottom chord; 4-steel truss straight web members; 5-steel truss diagonal web members; 6-steel truss upper chord; 7-rail support; 8-a transition beam; 9-main support point; 10-secondary support points; 11-a tie bar; 12-supporting the embedment; 13-flanged steel plate; 14-transition beam stiffener; 15-reinforcing plate.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Example 1
As shown in figures 1 to 6, the utility model provides a contrary installation of steel truss suspended structure is with interim support system, suspended structure takes the construction method of sectional type high altitude normal position installation to install earlier than the steel truss through interim support system. The hanging structure comprises hanging columns 1 and hanging beams 2, and the temporary support system comprises track supports 7, transition beams 8, support points and tie bars 11. A plurality of supporting embedded parts 12 are arranged at intervals before concrete pouring of a lower floor slab of the hanging structure, after pouring is finished and installation conditions are met and the positions are determined through measuring and paying off, track supports 7 are respectively installed on the supporting embedded parts 12, transition cross beams 8 are vertically arranged at the tops of the track supports 7, the transition cross beams 8 are fixedly connected with flange steel plates 13 at the tops of the track supports 7 and are connected into a whole through tie bars 11, and supporting points are arranged on the transition cross beams 8.
Further, track support 7 is cylindric structure, and the bottom of track support 7 is provided with supporting baseplate, and supporting baseplate is the annular structure, and supporting baseplate closely laminates with the built-in panel that supports built-in fitting 12, has the space, uses the lath to fill up the internal clearance to fill up along supporting baseplate periphery, and fix supporting baseplate through polylith fixed plate 15.
Furthermore, the number of the fixing plates 15 is eight, the eight fixing plates 15 are uniformly arranged along the circumferential direction of the supporting base plate at intervals, the fixing plates 15 are L-shaped steel plates, one end of each fixing plate 15 is fixedly connected with the supporting embedded part 12, and the other end of each fixing plate 15 is fixedly connected with the track support 7. The supporting embedded part 12 and the fixing plate 15 are fillet welds with two sides and the height of the welds is 10 mm.
Further, the strong point includes main strong point 9 and inferior strong point 10, main strong point 9 sets up in vertical suspended structure support position, adopt the steel sheet assembly welding to become the rectangle square box, every direction is provided with three and strengthens the riser outside the rectangle square box, under main strong point 9 positions, two steel sheets of transition crossbeam 8 upper flange both sides butt joint welding, and the web both sides respectively are provided with three oblique stiffening ribs, inferior strong point 10 sets up under horizontal suspended structure to with transition crossbeam 8 welded connection, and transition crossbeam 8 web is provided with transition crossbeam stiffening rib 14 under inferior strong point 10.
Furthermore, the rail support 7 is made of a steel pipe with the diameter of 609-620 mm and the wall thickness of 16-18 mm, the thickness of the flange steel plate 13 is 20mm, and the specification of the fixing plate 15 is 20 multiplied by 100 multiplied by 130 mm. The transition beam 8 is made of HW400 x 400 section steel, the transition beam 8 is connected with a flange steel plate 13 in a welding mode and is connected into a whole through a tie rod 11 with phi 133x4 mm.
Example 2
Adopt the utility model discloses a contrary installation method of steel truss suspension type structure of interim support system includes following step:
the method comprises the following steps: and installing a temporary support system. Specifically, as shown in fig. 3-4, a supporting embedded part 12 is arranged before concrete pouring of a lower floor slab of a hanging structure, a steel plate with the specification of-20 × 900 × 900mm is adopted, after the pouring is finished and the installation condition is determined through measurement and paying-off, a track support 7 is arranged on the supporting embedded part 12, the track support 7 is a steel pipe with the diameter of 609-620 mm, the wall thickness is 16-18 mm, upper and lower bolts are connected with flange steel plates 13 with the thickness of 20mm, the surface of the footing supporting embedded part 12 of the track support 7 is smooth, a supporting bottom plate is tightly attached to the embedded plate, if gaps exist, steel plate strips are used for filling up the internal gaps, and the supporting bottom plate is padded tightly along the periphery of the supporting bottom plate. Then, the feet of the track supports 7 are fixed by using L-shaped steel plates, eight fixing plates 15 are used for reinforcing the feet of each track support 7, the specification of each fixing plate 15 is 20 multiplied by 100 multiplied by 130mm, the supporting embedded parts 12 and the fixing plates 15 are fillet welds with two sides, and the height of each weld is 10 mm.
Furthermore, the transition beam 8 is arranged at the top of the track support 7, the section steel with the specification of HW400 multiplied by 400 is connected with a flange steel plate 13 with the thickness of 20mm at the top of the track support 7 in a welding way, after the elevation position is adjusted, the transition beam 8 is connected into a whole by using a tie bar 11 with the diameter phi of 133x4mm, and then a supporting point is arranged on the transition beam 8.
As shown in fig. 5-6, the main supporting point 9 is set at the supporting position of the vertical hanging structure, 20mm thick steel plates are welded to form an 800 × 800mm square box, three 20mm thick reinforced vertical plates are set in each direction outside the square box, at the same time, two-20 × 300 × 1000mm steel plates are butt-welded at both sides of the upper flange of the transition beam 8 under the position of the main supporting point 9, and three oblique stiffening ribs are set at both sides of the web, the secondary supporting point 10 is set under the horizontal hanging structure, and is welded with the transition beam 8 by a phi 400 × 16mm round tube, and the transition beam stiffening rib 14 is added at the web of the transition beam 8 under the secondary supporting point 10.
Step two: and a hanging structure is arranged on the support system, and the construction of the hanging structure adopts a construction method of sectional high-altitude in-situ installation.
Specifically, wholly install to both sides order by the middle part, install earlier and hang crossbeam 2 that links to each other with the major structure, install again and hang stand 1, then install the opposite side and the continuous crossbeam 2 that hangs of major structure forms wholly, hang stand 1 and will draw during the installation and establish and hold the wind rope, after the crossbeam installation adjustment was accomplished, accomplish the butt welding at the high altitude.
Step three: and installing a main body structure on the periphery of the steel truss above the hanging structure.
Step four: and arranging temporary supports required by installation on the hanging structure according to design requirements and construction calculation results.
Step five: and (5) installing a steel truss structure. The construction sequence is that the lower chord 3 of the middle steel truss is installed → the lower chord 3 of the steel truss installed to the two sides → the straight web member 4 of the steel truss is installed → the upper chord 6 of the steel truss and the connecting beam between the trusses are installed → the diagonal web member 5 of the truss is installed.
Further, before the lower chord 3 of the steel truss is installed, temporary supports required for installation are arranged on the hanging structure, the steel truss above the hanging structure is pre-arched, the temporary supports also adopt rail supports 7, the bottom feet of the rail supports are welded with the hanging structure, and secondary support points 10 of the hanging structure are arranged at the top of the rail supports 7 and used for unloading the steel truss.
Step six: and unloading the steel truss and the hanging structure.
Specifically, after the steel truss and the hoisting structure are completely installed and welded and the upper load of the steel truss is applied, the steel truss is sequentially unloaded layer by layer from top to bottom, then the steel truss is suspended, the temporary supporting points on the suspended structure are synchronously removed, the track support 7 upper supporting points 10 are removed at a speed of 10mm each time until the temporary supporting system is completely separated from the structure, the suspended structure is sequentially unloaded from the middle to two ends, and the main supporting points 9 and the secondary supporting points 10 on the transition beam 8 are removed at a speed of 10mm each time.
Step seven: and (4) dismantling the support system, wherein the dismantling sequence is the same as the unloading sequence.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (8)
1. The temporary support system for the inverse installation of the steel truss hanging structure is characterized in that the hanging structure is installed before a steel truss through the temporary support system, wherein the hanging structure comprises hanging upright columns (1) and hanging cross beams (2), and the temporary support system comprises a track support (7), transition cross beams (8), support points and tie bars (11);
the system comprises a hanging structure, a plurality of supporting embedded parts (12) are arranged at intervals before concrete pouring of a lower floor slab of the hanging structure, track supports (7) are fixedly mounted on the supporting embedded parts (12) respectively, transition cross beams (8) are vertically arranged at the tops of the track supports (7), the transition cross beams (8) are fixedly connected with flange steel plates (13) at the tops of the track supports (7) and are connected into a whole through tie bars (11), and supporting points are arranged on the transition cross beams (8).
2. The temporary support system for the inverse installation of the steel truss hanging structure according to claim 1, wherein the rail support (7) is a cylindrical structure, a support bottom plate is arranged at the bottom of the rail support (7), the support bottom plate is an annular structure, the support bottom plate is tightly attached to the embedded plate of the support embedded part (12), and the support bottom plate is fixed through a plurality of fixing plates (15).
3. The temporary support system for the inverse installation of the steel truss hanging structure according to claim 2, wherein the number of the fixing plates (15) is eight, the eight fixing plates (15) are uniformly arranged along the circumferential direction of the support base plate at intervals, the fixing plates (15) are L-shaped steel plates, one end of each fixing plate (15) is fixedly connected with the support embedded part (12), and the other end of each fixing plate (15) is fixedly connected with the track support (7).
4. The temporary support system for the inverse installation of the steel truss hanging structure according to claim 3, wherein the support embedded parts (12) and the fixing plates (15) are double-sided fillet welds, and the height of the welds is 10 mm.
5. The temporary support system for inverse installation of a steel truss hanging structure according to claim 4, wherein the support points comprise a main support point (9) and a secondary support point (10), the main support point (9) is arranged at a vertical hanging structure support position, a rectangular square box is formed by assembling and welding steel plates, three reinforced vertical plates are arranged outside the rectangular square box in each direction, two steel plates are butt-welded on two sides of an upper flange of the transition beam (8) under the position of the main support point (9), three oblique stiffening ribs are respectively arranged on two sides of a web plate, the secondary support point (10) is arranged under a horizontal hanging structure and is welded with the transition beam (8), and a transition beam stiffening rib (14) is arranged on the web plate of the transition beam (8) under the secondary support point (10).
6. The temporary support system for the inverse installation of the steel truss hanging structure according to claim 5, wherein the rail support (7) is a steel pipe with a diameter of 609-620 mm and a wall thickness of 16-18 mm, the thickness of the flange steel plate (13) is 20mm, and the specification of the fixing plate (15) is 20 x 100 x 130 mm.
7. The temporary support system for the inverse installation of the steel truss hanging structure as claimed in claim 6, wherein the transition beam (8) is made of HW400 x 400 section steel, and the transition beam (8) is welded with the flange steel plate (13) and is connected into a whole through a tie bar (11) with phi 133x4 mm.
8. The temporary support system for inverse installation of a steel truss suspended structure according to claim 7, wherein a steel strip is provided between the support base plate and the embedded plate of the support embedded part (12) along the circumference of the support base plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883903.4U CN213774620U (en) | 2021-04-27 | 2021-04-27 | Temporary support system for inverse installation of steel truss hanging structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120883903.4U CN213774620U (en) | 2021-04-27 | 2021-04-27 | Temporary support system for inverse installation of steel truss hanging structure |
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| CN213774620U true CN213774620U (en) | 2021-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086781A (en) * | 2021-12-09 | 2022-02-25 | 北京建工集团有限责任公司 | Independently-walking high and large space sliding platform and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086781A (en) * | 2021-12-09 | 2022-02-25 | 北京建工集团有限责任公司 | Independently-walking high and large space sliding platform and construction method thereof |
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