Enclosed portal-type flat space frame factory building in steel plant area with confined space

Abstract

The present invention relates to an enclosed portal-type flat space frame factory building in a steel plant area with a confined space. The enclosed portal-type flat space frame factory building comprises a vertical load-bearing component and a roof space frame, wherein the vertical load-bearing component is divided into a lower section comprising a steel column, and an upper section comprising a space frame structure composed of connecting rod members and bolted spherical joints; the space frame structure is arranged above the steel column by means of a connecting support; the roof space frame is formed by connecting rod members being connected to bolted spherical joints; and the space frame structure is connected to the roof space frame by means of the bolted spherical joints and steel structural rod members. The beneficial effects of the present invention lie in that: the use of a load-bearing mode of combining a single steel column with a space frame structure solves the problem of insufficient load-bearing capacity of a single steel column and the problem of it not being possible to provide two steel columns in a limited space; and the structure of the steel-structure factory building is more compact, the load borne by the steel column is reduced, the volume and depth of the buried foundation are correspondingly reduced, the interference with surrounding buildings and structures is reduced, the construction cost is lowered, and the enclosed portal-type flat panel space frame factory building is suitable for construction in sites with a confined space.

Description

Door type flat net rack enclosed factory building under limited space of steel plant area TECHNICAL FIELD

[0001] The present application relates to the field of steel structure factory building engineering, in particular to a door type flat net rack enclosed factory building under limited space of steel plant area. BACKGROUND

[0002] There are many steel structure factory buildings in the steel plant area, and the door type flat net rack structure is generally used in the occasion where the single span is not more than 50m. When the net clearance is more than 20m, the door type flat net rack uses double support columns according to the span, net clearance height and load required by the factory building. The double support column has large bearing capacity, but occupies large area, requires large buried base volume and depth, and occupies large space.

[0003] When the door type flat net rack is in a limited space, such as multiple train tracks at the edge of the column, the foundation of the double column will conflict with the train tracks, occupy the train track position, and affect the train passing. In the limited space, the steel structure factory building with large span, high net clearance and large load is set, the volume of the building to be supported is large, and the surrounding buildings and structures are seriously interfered, causing the load of the surrounding buildings or structures to be damaged, affecting the use of the surrounding buildings and structures, and also limiting the use conditions of the steel structure factory building and increasing the construction cost of the steel structure factory building. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the present application provides a door type flat net rack enclosed factory building under limited space of steel plant area. The upper section of the vertical bearing is connected with the roof net rack composed of connecting rods and bolt balls through the net rack structure composed of connecting rods and bolt balls, to form a net rack structure factory building composed of connecting rods and bolt balls. The net rack structure shares the load of the steel structure factory building, reduces the load of the lower section of the steel column, supports the whole steel structure factory building by using a single steel column, and the steel structure factory building structure is more compact, the bearing capacity of the steel column is reduced, the buried base volume and depth are correspondingly reduced, the interference between the surrounding buildings and structures is avoided, the construction cost is reduced, and it is suitable for construction in a space-limited site.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] A door type flat net rack enclosed factory building under limited space of steel plant area, comprising vertical bearing and roof net rack, the vertical bearing is divided into upper and lower sections, the lower section is a steel column, and the upper section is a net rack structure composed of connecting rods and bolt balls. The net rack structure is arranged on the upper surface of the steel column through a connecting support. The roof net rack is connected by connecting rods and bolt balls. The net rack structure and the roof net rack are connected by bolt balls and connecting rods.

[0007] Further, the steel column is internally grouted with concrete.

[0008] Further, the bottom end outer wall of the steel column is welded with shear bolts, and longitudinal reinforcement and stirrups are arranged outside the steel column.

[0009] Further, the longitudinal reinforcement and the stirrups are grouted together with the steel column to form a concrete outer short column.

[0010] Further, the roof net rack is provided with a horse path.

[0011] Further, the closed factory building is closed around by profiled steel plates.

[0012] Further, the roof frame is closed by glass fiber polyester fire-retardant light plates.

[0013] Further, wind-resistant columns are arranged between the steel columns.

[0014] Further, the wind-resistant columns are made of H-shaped steel.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] The single steel column is combined with the net rack structure in a stress mode, the vertical bearing is completed by the steel column and the net rack structure together, the net rack structure bears the bearing of the steel column, the problem of insufficient bearing capacity of the single steel column is solved, the problem of limited space unable to set double steel columns for bearing is solved, the steel structure factory building structure is more compact, the bearing capacity of the steel column is reduced, the volume and depth of the foundation are correspondingly reduced, the interference between surrounding buildings and structures is avoided, the construction cost is reduced, and it is suitable for construction in a space-limited site. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a front view of the closed factory building of the portal flat plate net rack under the limited space of the steel factory area according to the present application.

[0018] Fig. 2 is a side view of the closed factory building of the portal flat plate net rack under the limited space of the steel factory area according to the present application.

[0019] Fig. 3 is a schematic view of the connection between the vertical bearing and the roof net rack according to the present application.

[0020] Fig. 4 is a partial schematic view of the connection between the vertical bearing and the roof net rack according to the present application.

[0021] Fig. 5 is a schematic view of the steel column structure according to the present application.

[0022] Fig. 6 is a schematic view of the connection between the steel column and the connecting support according to the present application.

[0023] Fig. 7 is a schematic view of the connecting support according to the present application.

[0024] Figure 8 is a schematic view of the connecting support according to the present application.

[0025] Figure 9 is a schematic view of the steel column according to the present application.

[0026] Figure 10 is a schematic view of the concrete-encased short column according to the present application.

[0027] Figure 11 is a schematic view of the positioning bolt connection according to the present application.

[0028] Figure: 1, steel column; 2, grid structure; 3, roof grid; 4-1, steel pad; 4-2, adjusting pad; 4-3, positioning steel plate; 5-1, positioning bolt; 5-2, nut; 6, concrete; 7, steel column stiffener; 8, vent hole; 9, steel column concrete pouring port; 10, column top rib plate; 11, steel column top plate; 12, support bottom plate; 13, support rib plate; 14, support ball; 15, connecting support; 16, connecting bar; 17, bolt ball; 18, horse path; 19, wind-resistant column; 20, concrete-encased short column; 21, shear bolt; 22, longitudinal reinforcement; 23, stirrup. DETAILED DESCRIPTION

[0029] The specific embodiments of the present application are further described below:

[0030] As shown in Figures 1-11, a portal flat plate grid closed factory building under a limited space in a steel plant includes vertical load-bearing and roof grid, the vertical load-bearing is divided into two sections, the lower section is two columns of steel columns 1, and the upper section is a grid structure 2 composed of connecting bars 16 and bolt balls 17, the grid structure 2 is arranged on the upper part of the steel columns 1 through the connecting supports 15, the roof grid 3 is connected and composed by connecting bars 16 and bolt balls 17, the grid structure 2 and the roof grid 3 are connected through bolt balls 17 and connecting bars 16, and a single steel column 1 is combined with the vertical grid structure 2 in a stress mode, which solves the problem of insufficient load-bearing capacity of a single steel column 1 and the problem of limited space that cannot set double steel columns for load-bearing.

[0031] Further, the steel column 1 is poured with concrete 6 inside to enhance the weight and compression resistance of the steel column 1.

[0032] Further, the bottom end outer wall of the steel column 1 is welded with shear bolts 21, and the outer side of the steel column 1 is provided with longitudinal reinforcement 22 and stirrups 23.

[0033] Further, the longitudinal reinforcement 22 and stirrups 23 are poured together with the steel column 1 into a concrete-encased short column 20, and the outer surface of the steel column 1 is provided with shear bolts 21 and longitudinal reinforcement 22 at the lower part to increase the friction between the steel column 1 and the concrete 6.

[0034] Further, the roof grid is provided with a horse path 18.

[0035] Further, the closed factory is closed around by profiled steel plates.

[0036] Further, the roof net rack is closed by glass fiber polyester fire-retardant light plates.

[0037] Further, the wind-resistant columns 19 are arranged between the steel columns 1.

[0038] Further, the wind-resistant columns 19 are made of H-shaped steel.

[0039] The above description is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical solution and concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0040] The following examples are implemented on the premise of the technical solution of the present application, and the detailed implementation mode and specific operation process are given, but the protection scope of the present application is not limited to the following examples, and the methods used in the following examples are all conventional methods unless otherwise specified.

[0041]

Embodiment

[0042] As shown in FIGS. 1-11, a plurality of rows and columns of shear bolts 21 are welded on the lower surface of the steel column 1, and the positioning bolts 5-1 are embedded when the ground beam steel bars are bound. In order to ensure the accurate position of the positioning bolts 5-1, the positioning steel plates 4-3 are welded on the upper surface of the pile cap beam steel bars, the positioning steel plates 4-3 are provided with bolt pre-holes around, the positioning bolts 5-1 pass through the adjusting backing plates 4-2, the upper and lower nuts 5-2 of the positioning bolts 5-1 are tightened, the steel backing plates 4-1, the adjusting backing plates 4-2 and the positioning steel plates 4-3 are tightly attached, and the position of the positioning bolts 5-1 is accurate.

[0043] The positioning bolts 5-1 are fixed with the concrete 6, a circle of longitudinal steel bars 22 is arranged outside the steel column 1, a plurality of stirrups 23 are arranged outside the longitudinal steel bars 22, after the outer longitudinal steel bars 22 and the stirrups 23 are bound and the bottom positioning bolts 5-1 are fixed, the steel column 1 is welded with the positioning steel plates 4-3, the steel column 1 is accurately welded and positioned, the formwork is arranged outside the longitudinal steel bars 22, the concrete 6 is poured, the concrete outer short column 20 is formed, the concrete outer short column 20 completely wraps the longitudinal steel bars 22 and the stirrups 23, the steel column stiffener 7 and the steel column concrete pouring port 9 are reserved when the steel column 1 is manufactured, the air hole 8 is reserved in the middle of the steel column stiffener 7, after the concrete outer short column 20 of the steel column 1 is poured, the concrete 6 is continuously poured into the steel column 1 through the steel column concrete pouring port 9, and the weight and compression resistance of the steel column 1 are enhanced.

[0044] After the concrete 6 in the steel column 1 is poured, the pouring opening 9 is welded, the top plate 11 and the rib plate 10 of the column are welded, the support bottom plate 12 is welded above the top plate 11 of the steel column, the support rib plate 13 is welded above the support bottom plate, the support ball 14 is welded above the support rib plate 13, and the support bottom plate 12, the support rib plate 13 and the support ball 14 form the connecting support 15 of the steel column 1 and the grid structure.

[0045] The vertical load-bearing upper section is composed of the connecting rod 16 and the bolt ball 17, the connecting rod 16 of the grid structure 2 is connected to the connecting ball 14 of the connecting support 15, the grid structure 2 is connected to the steel column 1, the height of the single steel column 1 and the grid structure 2 accounts for half of the total height of the grid factory building, the grid structure 2 is connected to the roof grid 3 through the connecting rod 16 and the bolt ball 17, the grid structure 2 bears the load of the factory building, reduces the load of the steel column 1, and a single steel column 1 can bear a large-span, high-clearance and large-load factory building.

[0046] The wind-resistant column 19 is arranged between the two steel columns 1, and the maintenance horse path 18 is arranged below the roof grid 3.

Claims

1. A closed factory building of portal flat net rack under the limited space of a steel factory area, comprising vertical bearing and roof net rack, characterized in that, The vertical load bearing is divided into two sections, the lower section is a steel column, the upper section is a grid structure composed of connecting rods and bolt balls, the grid structure is arranged on the steel column through connecting supports, the roof grid is connected by connecting rods and bolt balls, and the grid structure and the roof grid are connected through bolt balls and connecting rods.

2. The enclosed factory building with a portal flat webbed truss in a confined space of a steel plant area according to claim 1, characterized in that, The steel column is internally poured with concrete.

3. The steel plant area limited space under the gate type flat plate net rack closed factory building according to claim 1, characterized in that, The bottom end outer wall of the steel column is welded with shear bolts, and the outer side of the steel column is provided with longitudinal steel bars and stirrups.

4. The steel plant area limited space under the gate type flat net rack closed factory building according to claim 3, characterized in that, The longitudinal steel bars and the stirrups are poured into concrete together with the steel column to form a short column.

5. The enclosed steel plant building of claim 1, wherein, The roof grid is provided with a horse path.

6. The enclosed steel plant building of claim 1, wherein, The closed factory building is closed around by profiled steel plates.

7. The steel plant area restricted space under the gate type flat plate net rack closed factory building according to claim 1, characterized in that, Glass fiber polyester flame-retardant daylighting boards are arranged on the roof frame to be closed.

8. The steel plant area limited space under the gate type flat net rack closed factory building according to claim 1, characterized in that, Wind-resistant columns are arranged between the steel columns.

9. The steel plant area limited space under the gate type flat net rack closed factory building according to claim 8, characterized in that, The wind-resistant columns adopt H-shaped steel.

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