CN202324658U - Device for installing large-span roof truss - Google Patents
Device for installing large-span roof truss Download PDFInfo
- Publication number
- CN202324658U CN202324658U CN2011204696470U CN201120469647U CN202324658U CN 202324658 U CN202324658 U CN 202324658U CN 2011204696470 U CN2011204696470 U CN 2011204696470U CN 201120469647 U CN201120469647 U CN 201120469647U CN 202324658 U CN202324658 U CN 202324658U
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- China
- Prior art keywords
- roof truss
- truss
- moulding bed
- roof
- installation
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Abstract
The utility model relates to a device for installing a large-span roof truss; the roof truss is overhead and is provided with a top glass curtain wall; the device for installing the large-span roof truss comprises a jig frame used for supporting the roof truss; the jig frame is arranged at the bottom of the position on which the roof truss is designed, and is vertical to the longitudinal direction of the roof truss; and the two ends of the jig frame are arranged in a building wall body. The device for installing the large-span roof truss is convenient for the installation of the large-span roof truss, and is capable of saving steel and shortening the construction period.
Description
Technical field
The utility model relates to the steel work technology in the building field; Relate in particular to a kind of device that the large span roof truss is installed that is used for.
Background technology
In the building,, use curtain wall more and more in modern times for pursuing daylighting effect and good looking appearance.And since building generally than higher, the roof truss of top glass curtain wall soars aloft again; Like this, the installation of the roof truss of top glass curtain wall then has certain degree of difficulty.
In the prior art, generally there are three kinds of mount schemes:
1, the complete roof truss that makes is directly once lifted the installation site;
2, all round victory scaffold supports, installs roof truss;
3, upright supports, installation roof truss.
Yet all there is defective in above-mentioned three kinds of schemes, can't adapt to different construction actual conditions.
1, directly once lift roof truss, the column that is applicable to roof truss has been accomplished and the ability of crane gear can satisfy the situation of steel roof truss lifting needs.But for some overhead higher engineering (such as being higher than 100m), then can only adopt existing tower crane lifting, and because roof truss weight is bigger, thus the scarce capacity of tower crane with once with the roof truss rigging out, must roof truss be carried out segmental hoisting.Therefore directly once lift and be not suitable for this situation.
2, all round victory scaffold begins to set up scaffold exactly from ground, takes near the roof truss position always, with scaffold on the roof truss segmental hoisting, carries out the segmentation welding fabrication then.This method must labor tube material, (structure build up after) gone to transport, set up, removes to the manpower of labor, therefore just causes the shortcoming that speed of application is slow and cost is high.
3, upright supports is set up several interim columns than the architectural design structure exactly, then with the roof truss segmentation, with crane gear the roof truss segmentation is hung on the column and (comprises interim column), treat that the roof truss assembly unit is accomplished after, the interim column of dismantling again.But for some engineering, such as: 22 layers to 11 layers below the roof truss are complete empty, if do interim column at 11 floor faces, then the floor below 11 layers all will be reinforced, and makes speed of application slow, and the material consumption of auxiliary usefulness increases.And this method must labor tube material, and speed of application is slow, cost is high.
For this reason, a kind of improved device that the large span roof truss is installed that is used for need be provided.
Summary of the invention
The purpose of the utility model is to provide a kind of device that the large span roof truss is installed that is used for, and it can be applicable to the situation that building is higher, and auxiliary materials are few, can not cause the steel waste, and speed of application is fast, and it is low to make frame.
For achieving the above object, the utility model adopts following technical scheme:
Be used for the device that the large span roof truss is installed; Be used to install the top glass curtain wall on the high up in the air and said roof truss of said roof truss; It is characterized in that: the said device that is used for the installation of large span roof truss comprises the moulding bed that is used for supporting said roof truss; Said moulding bed is arranged at the bottom of said roof truss design attitude and perpendicular to the longitudinal direction of said roof truss, the two ends of said moulding bed are installed in the building.
Preferably, said moulding bed is a truss, and said truss comprises upper and lower chord member and is arranged at the oblique web member between the said upper and lower chord member.
The beneficial effect of this utility model is: the device that the large span roof truss is installed that is used for that utilizes the utility model; When making up the shelf daylighting roof truss; Especially under the building condition with higher; Can the roof truss of segmentation be lifted the installation site respectively, be installed on the moulding bed of this device then respectively and link together above that; Treat whole roof truss installation, then remove moulding bed.This device that is used for the installation of large span roof truss is faster with respect to all round victory scaffold and upright supports speed of application, and auxiliary materials are still less saved steel.
Description of drawings
Fig. 1 has shown that the utility model is used for the user mode of an embodiment of the device that the large span roof truss installs.
Fig. 2 has shown the structure of moulding bed among Fig. 1.
The specific embodiment
To combine accompanying drawing below, introduce the preferred embodiment of the utility model in detail.
In the engineering that this embodiment relates to; The vertical view of building is as shown in Figure 1; Wherein dash area 11,12 is a concrete wall, and concrete wall 11, the part between 12 are the Zhongting shelf daylighting, and its top is a curtain wall; Curtain wall is also installed in the side, and mark 13,14 is the installation steelframe of side glass curtain wall among Fig. 1.The whole span of the top glass curtain wall of Zhongting shelf daylighting is 84m to the maximum; Whole building is 22 layers; Be building entirely below 11 layers; But below shelf daylighting, be designed to sky from 11 layers to 22 layers, therefore the installation process of the wide span steel roof frame of whole shelf daylighting top glass curtain wall needs to face idle job at roof fully and accomplishes.
As shown in Figure 1, the top steel roof truss is divided into vertical section between first traversing section (zone 21), second traversing section (zone 22) and two traversing sections (two concrete wall 11, the zone between 12).These three sections roof trusses are installed respectively, and wherein the whole span of vertical section is shorter, and therefore directly the installation site is arrived in integral hoisting, is installed between the body of wall to get final product.First traversing section, the second traversing section span are all longer; Integral hoisting is difficulty very; Therefore it all is divided into three sections branch roof trusses, and first traversing section is provided with moulding bed 41,42, the second traversing sections in two junctions of three sections branch roof trusses and in two junctions of three sections branch roof trusses moulding bed 31,32 is set.These four moulding beds 31,32,41,42 all are arranged on the bottom of roof truss design attitude; Separately perpendicular to the longitudinal direction of its pairing roof truss; The two ends of four moulding beds are mounted on respectively in building masonry wall, the side glass curtain wall steelframe; Rely on their support forces, these moulding beds can support the branch roof truss.Certainly, in other embodiment of the utility model, according to the actual conditions of building, the two ends of these moulding beds also can all be fixed in the building masonry wall.
Preferably, moulding bed is the cuboid truss, and said truss comprises upper and lower chord member 311,312 and is arranged at the oblique web member 313 between the upper and lower chord member and the rod member 314 of putting more energy into.Oblique web member can strengthen moulding bed whole stability and shear resistance with the rod member of putting more energy into, and not before the moulding, can guarantee to have accomplished the stability of truss in integral body.
During construction, earlier each moulding bed is put in place according to design and installation, lifting divides roof truss respectively then, will divide roof truss to be installed on the moulding bed, and two fens roof trusses are connected on moulding bed.After treating whole roof truss installation, then remove each moulding bed.
Be used for the device that the large span roof truss is installed shown in this embodiment, can realize the Fast Installation of large span roof truss, the auxiliary material that use in the work progress are few, and this device can disassemble after having constructed, and can not cause the waste of steel, and cost is low.
What more than introduce only is the preferred embodiment of the utility model, and any equivalents and replacement for the utility model technical scheme are all within the protection domain of the utility model.
Claims (2)
1. be used for the device that the large span roof truss is installed; Be used to install the top glass curtain wall on the high up in the air and said roof truss of said roof truss; It is characterized in that: the said device that is used for the installation of large span roof truss comprises the moulding bed that is used for supporting said roof truss; Said moulding bed is arranged at the bottom of said roof truss design attitude and perpendicular to the longitudinal direction of said roof truss, the two ends of said moulding bed are installed in the building.
2. the device that is used for the installation of large span roof truss as claimed in claim 1, it is characterized in that: said moulding bed is a truss, said truss comprises upper and lower chord member and is arranged at the oblique web member between the said upper and lower chord member.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204696470U CN202324658U (en) | 2011-11-23 | 2011-11-23 | Device for installing large-span roof truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204696470U CN202324658U (en) | 2011-11-23 | 2011-11-23 | Device for installing large-span roof truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202324658U true CN202324658U (en) | 2012-07-11 |
Family
ID=46436638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204696470U Expired - Lifetime CN202324658U (en) | 2011-11-23 | 2011-11-23 | Device for installing large-span roof truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202324658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615047A (en) * | 2013-12-09 | 2014-03-05 | 广州建筑股份有限公司 | Method for installing daylighting roof steel truss and curtain wall in air |
| CN106522588A (en) * | 2015-09-11 | 2017-03-22 | 李殿义 | Structure net rib honeycomb concrete intervening building |
-
2011
- 2011-11-23 CN CN2011204696470U patent/CN202324658U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615047A (en) * | 2013-12-09 | 2014-03-05 | 广州建筑股份有限公司 | Method for installing daylighting roof steel truss and curtain wall in air |
| CN106522588A (en) * | 2015-09-11 | 2017-03-22 | 李殿义 | Structure net rib honeycomb concrete intervening building |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |