CN218843905U

CN218843905U - Gable truss top bearing structure of large-span steel structure warehouse

Info

Publication number: CN218843905U
Application number: CN202121002563.6U
Authority: CN
Inventors: 方顺生; 泮鑫涛; 时宇航; 陈浩; 伍俣达
Original assignee: Zhejiang Dadi Steel Structure Co ltd
Current assignee: Zhejiang Dadi Steel Structure Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2023-04-11
Anticipated expiration: 2031-05-12

Abstract

The utility model relates to a gable truss top bearing structure in large-span steel construction warehouse satisfies the top bearing stability and the convenience requirement of steel construction building gable truss. This structure main truss includes the wall main truss of both sides and middle roofing main truss, and warehouse length direction sets up vertical gable truss the main truss below that leans on both ends most, the top bearing roofing truss of gable truss, the roofing truss has roofing lower chord, the gable truss has vertical gable truss post, and the top of gable truss post is equipped with vertical first connecting plate, and the below of roofing lower chord holds in the palm the layer board that is equipped with semicircle column face type, and the layer board below is equipped with vertical second connecting plate, the mutual overlap joint of first connecting plate and second connecting plate to two pairs of bolt holes are no less than in the setting of overlap joint section bilateral symmetry. The utility model discloses adopt the layer board switching between the roof lower chord of the top of gable truss and roofing truss, connect reliably, and assembling process convenient and fast.

Description

Gable truss top bearing structure of large-span steel structure warehouse

Technical Field

The utility model belongs to the building field relates to a steel construction building, in particular to gable truss top bearing structure in large-span steel construction warehouse.

Background

Facilities such as large-scale factory buildings and warehouses are generally constructed by steel structure buildings. The steel structure building has high structural strength and good structural stability. Most frame structures of the steel structure building can be prefabricated and formed in a factory and then assembled and constructed on site, construction speed is high, and construction period is short. For large-span storage type steel structure buildings, the occupied area is large generally, a plurality of main trusses are required to be sequentially arranged in parallel in the warehouse of the steel structure building to serve as a supporting frame of the steel structure building, a gable truss is arranged below the main truss which is most close to the end portion of the warehouse to support a vertical face structure of the end face of the warehouse, the bottom end of the gable truss is based on the ground, the top end of the gable truss supports the main truss, and a supporting structure at the top end of the gable truss not only needs to meet the requirement of connection stability, but also needs to be convenient to weld and assemble so as to play the advantage of high construction speed of the steel structure building.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly be to the problem of the top bearing stability and the convenience requirement of steel construction building gable truss, provide a gable truss top bearing structure in large-span steel construction warehouse.

The purpose of the utility model is mainly realized by the following scheme: the utility model provides a gable truss top bearing structure in large-span steel structure warehouse, its characterized in that: set gradually a plurality of pin main trusses along warehouse length direction, main truss includes the wall main truss of both sides and middle roofing main truss, and warehouse length direction sets up vertical gable truss, the top bearing roofing truss of gable truss most by the main truss below at both ends, the roofing truss has roofing lower chord, the gable truss has vertical gable truss post, and the top of gable truss post is equipped with vertical first connecting plate, and the below of roofing lower chord holds in the palm the layer board that is equipped with semi-circular cylindrical surface type, and the layer board below is equipped with vertical second connecting plate, and first connecting plate and the mutual overlap joint of second connecting plate to two pairs of bolt holes are no less than in the bilateral symmetry setting of overlap joint section.

In this scheme, adopt the layer board switching between the roof lower chord of the top of gable truss and roof truss, the layer board is for can laminating the semicircle column face type of winding the lower chord downside, can be fixed with the laminating of roof lower chord, the layer board below sets up the bolt hole that vertical second keysets and the first keysets on the top of gable truss post adopt four at least bilateral symmetry to set up to fix, connect reliably, and assembling process convenient and fast.

As preferred, the wall main truss sets up the both sides at warehouse width direction, the roofing main truss is the A font and erects between the wall main truss top of both sides, and the roofing main truss includes that two slope support arms and level set up the horizontally hoisting platform between two slope support arms, and slope support arm and hoisting platform are truss structure, the roofing lower chord includes support arm lower chord and platform lower chord. The gable truss corresponds to the inclined support arm and the hoisting platform respectively according to the set position.

Preferably, the gable trusses close to two sides below the main truss are supported on inclined support arms of the roof truss, and the supporting plates are obliquely arranged and are attached to lower chord members of the support arms for welding and fixing; the gable truss near the middle part below the main truss is supported on the hoisting platform, and the supporting plate is horizontally arranged and attached to the lower chord of the platform and welded and fixed.

Preferably, the first connecting plate is perpendicular to a plane on which the main truss is located.

Preferably, the top surface of gable truss post is equipped with horizontal support plate, and first connecting plate sets up on horizontal support plate, and the middle part of first connecting plate back to second connecting plate one side is equipped with first reinforcing plate, first reinforcing plate is all perpendicular with horizontal support plate, first connecting plate.

Preferably, a second reinforcing plate is arranged between the middle part of one side of the second connecting plate back to the first connecting plate and the back of the supporting plate, and the second reinforcing plate is perpendicular to the second connecting plate.

Preferably, a plurality of trusses are arranged between the gable trusses. The sub-truss is used for transverse connection of the gable truss.

Preferably, the gable truss is further provided with a web member at a side of the gable truss column.

In another preferable scheme, the bottom surface of the supporting plate is in swing connection with the top of the second connecting plate by adopting a bolt hinge shaft. The supporting plate adopts a swingable structural form, is more flexible to use, can adapt to lower chords with various inclination angles, and is particularly suitable for steel structure buildings with roof truss inclination angles changing along with truss positions.

The utility model discloses adopt the layer board switching between the roof lower chord of the top of gable truss and roofing truss, connect reliably, and assembling process convenient and fast.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is the utility model discloses a steel structure warehouse's frame schematic diagram.

Fig. 2 is a schematic view of the structure of the vertical surface of the gable truss of the present invention.

Fig. 3 is a schematic view of the structure of the gable truss column and the support arm lower chord support of the present invention.

Fig. 4 is a right side schematic view of fig. 3 of the present invention.

Fig. 5 is a schematic view of the structure of the gable truss column and the platform lower chord support of the present invention.

Fig. 6 is a schematic diagram of a second structure of the supporting plate of the present invention.

Illustration of the drawings: 1. the main truss, 2, wall main truss, 3, roofing main truss, 4, gable truss, 41, gable truss post, 42, web member, 5, secondary truss, 6, slope support arm, 61, support arm lower chord, 7, hoisting platform, 71, platform lower chord, 8, horizontal support plate, 9, first connecting plate, 10, first reinforcing plate, 11, layer board, 12, second connecting plate, 13, second reinforcing plate, 14, bolt articulated shaft.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example 1: a supporting structure for the top of a gable truss of a large-span steel structure warehouse, as shown in fig. 2-5. In this embodiment, as shown in fig. 1, a plurality of main trusses 1 are sequentially arranged along the length direction of the warehouse, each main truss includes wall surface main trusses 2 on both sides and a roof surface main truss 3 in the middle, a vertical gable truss 4 is arranged below the main trusses 1 closest to both ends in the length direction of the warehouse, and the top end of the gable truss 4 supports the roof surface truss 3.

As shown in fig. 2, wall main truss 2 sets up the both sides at warehouse width direction, roof main truss 3 is a font and erects between the wall main truss 2 top of both sides, roof main truss 3 includes two slope support arms 6 and horizontal hoisting platform 7 that the level set up the level between two slope support arms, slope support arm and hoisting platform are truss structure, slope support arm 6 has support arm upper chord 61 and support arm lower chord 61, set up the web member between support arm upper chord and the support arm lower chord 61, hoisting platform 7 has platform upper chord and platform lower chord 71, be the web member between platform upper chord and the platform lower chord 71. The gable trusses 4 close to two sides below the main truss are supported on the inclined support arm 6 of the roof truss; the gable truss 4 near the middle part below the main truss is supported on a hoisting platform 7. The gable truss is provided with a vertical gable truss column 41, and a web member 42 is arranged on the side of the gable truss column. And a secondary truss 5 is arranged among the plurality of gable trusses.

As shown in fig. 3 and 4, the gable trusses 4 near both sides below the main truss are supported on the inclined support arm 6 of the roof truss, the top surfaces of the gable truss columns are provided with horizontal support plates 8, the upper surfaces of the horizontal support plates 8 are fixedly provided with vertical first connecting plates 9, the middle parts of the left sides of the first connecting plates 9 are provided with first reinforcing plates 10, and the first reinforcing plates 10 are perpendicular to the horizontal support plates 8 and the first connecting plates 9. The support arm lower chord 61's below holds in the palm and is equipped with the layer board 11 of semi-circular cylindrical surface type, and layer board inclination is unanimous with support arm lower chord inclination, and both laminate welded fastening each other, and the layer board below is equipped with vertical second connecting plate 12, is provided with second reinforcing plate 13 between the middle part on second connecting plate 12 right side and the layer board 11 back, and the second reinforcing plate is perpendicular with the second connecting plate. The right side of the first connecting plate 9 and the left side of the second connecting plate 12 are in lap joint with each other, and two pairs of bolt holes are symmetrically arranged on two sides of a lap joint section.

As shown in fig. 5, the gable truss 4 near the middle part below the main truss is supported on a hoisting platform 7, a horizontal support plate 8 is arranged on the top surface of the gable truss column, a vertical first connecting plate 9 is fixedly arranged on the upper surface of the horizontal support plate 8, a first reinforcing plate 10 is arranged in the middle of the left side of the first connecting plate 9, and the first reinforcing plate 10 is perpendicular to the horizontal support plate 8 and the first connecting plate 9. The support plate 11 that is equipped with the semicircle cylindrical surface type is held in the palm in platform lower chord 71's below, and layer plate and platform lower chord 71 average level set up, and both are laminated welded fastening each other, and the layer board below is equipped with vertical second connecting plate 12, is provided with second reinforcing plate 13 between the middle part on second connecting plate 12 right side and the layer board 11 back, and the second reinforcing plate is perpendicular with the second connecting plate. The right side of the first connecting plate 9 and the left side of the second connecting plate 12 are in lap joint with each other, and two pairs of bolt holes are symmetrically arranged on two sides of a lap joint section.

In this embodiment, roof main truss's support arm lower chord 61 inclination is 42 degrees fixed invariants, and platform lower chord 71 is the level setting, only needs to set up the layer board structure of two kinds of different angles, can satisfy the bearing connection requirement at gable truss top, and simple structure is firm, and it is convenient to be under construction.

Example 2: a gable truss roof support structure for a large span steel structure warehouse, as shown in fig. 6. In this embodiment, the bottom surface of the supporting plate 11 is connected to the top of the second connecting plate 12 through the bolt hinge shaft 14 in a swinging manner, and the second connecting plate is not provided with a second reinforcing plate. The rest of the structure is the same as in example 1. In this example, the angle of the supporting plate 11 can be adjusted by self-adaptive swing along with the angle changes of the lower chord 61 of the supporting arm and the lower chord 71 of the platform, especially when the inclination angle of the lower chord 61 of the supporting arm changes along with the position, the supporting plate of this embodiment can automatically adapt to the change of the supporting angle, the supporting requirements of different angles can be met by using the same set of structure, the processing cost of parts is reduced, and the same part is matched in a flexible way in the construction process, so that the installation is convenient and fast.

Claims

1. The utility model provides a gable truss top bearing structure in large-span steel structure warehouse, its characterized in that: set gradually a plurality of pin main trusses along warehouse length direction, main truss includes the wall main truss of both sides and middle roofing main truss, and warehouse length direction sets up vertical gable truss, the top bearing roofing truss of gable truss most by the main truss below at both ends, the roofing truss has roofing lower chord, the gable truss has vertical gable truss post, and the top of gable truss post is equipped with vertical first connecting plate, and the below of roofing lower chord holds in the palm the layer board that is equipped with semi-circular cylindrical surface type, and the layer board below is equipped with vertical second connecting plate, and first connecting plate and the mutual overlap joint of second connecting plate to two pairs of bolt holes are no less than in the bilateral symmetry setting of overlap joint section.

2. The gable truss roof supporting structure of the large-span steel structure warehouse of claim 1, wherein: the utility model discloses a warehouse, including roofing main truss, support arm lower chord, roofing main truss, roofing lower chord includes support arm lower chord and platform lower chord, the setting of roofing main truss is the A font and erects between the wall main truss top of both sides, and roofing main truss includes that two slope support arms and level set up the horizontally hoisting platform between two slope support arms, and slope support arm and hoisting platform are truss structure, the roofing lower chord includes support arm lower chord and platform lower chord.

3. The gable truss roof supporting structure of the large-span steel structure warehouse of claim 2, wherein: the gable trusses close to two sides below the main truss are supported on the inclined support arm of the roof truss, and the supporting plate is obliquely arranged and is attached to the lower chord of the support arm to be welded and fixed; the gable truss near the middle part below the main truss is supported on the hoisting platform, and the supporting plate is horizontally arranged and attached to the lower chord of the platform and welded and fixed.

4. The gable truss roof supporting structure of a large-span steel structure warehouse of claim 1, 2 or 3, wherein: the first connecting plate is perpendicular to the plane of the main truss.

5. The gable truss roof supporting structure of a large-span steel structure warehouse of claim 1, 2 or 3, wherein: the top surface of gable truss post is equipped with the horizontal support board, and first connecting plate sets up on the horizontal support board, and the middle part of first connecting plate dorsad second connecting plate one side is equipped with first reinforcing plate, first reinforcing plate is all perpendicular with horizontal support board, first connecting plate.

6. The structure for supporting the top of the gable truss of a large-span steel-structured warehouse, according to claim 1, 2, or 3, wherein: a second reinforcing plate is arranged between the middle part of one side of the second connecting plate back to the first connecting plate and the back of the supporting plate, and the second reinforcing plate is perpendicular to the second connecting plate.

7. The gable truss roof supporting structure of a large-span steel structure warehouse of claim 1, 2 or 3, wherein: a plurality of secondary trusses are arranged between the gable trusses.

8. The gable truss roof supporting structure of a large-span steel structure warehouse of claim 1, 2 or 3, wherein: and web members are arranged on the side of the gable truss column of the gable truss.

9. The gable truss roof supporting structure of the large-span steel structure warehouse of claim 2 or 3, wherein: the bottom surface of the supporting plate is connected with the top of the second connecting plate in a swinging mode through a bolt hinged shaft.