CN211369218U - Arch truss structure for sealing material warehouse - Google Patents

Abstract

The utility model discloses an arched truss structure for closing a material storehouse. The arched truss structure for closing a material storehouse comprises an arched plane truss (1), an outer support column (2) and a middle support column ( 3), the outer support column (2) is located at both ends of the arched plane truss (1), the middle support column (3) is located at the midspan of the arched plane truss (1), and the upper end of the middle support column (3) is connected to the arch. connected by a flat truss (1). The arch truss structure used for silo closing is convenient to manufacture and install, saves investment, and has good market application value.

Description

An arched truss structure for silo closure

technical field

The utility model relates to the field of steel structure building structures, in particular to an arched truss structure used for closing a warehouse.

Background technique

The roof of the existing closed stockyard is usually a triangular structure, for example, Chinese patent CN 206969750 U, published on February 6, 2018, published "A closed stockyard with a combined reclaiming arrangement structure". When the span is large, the wind resistance performance of the triangular roof is poor.

Utility model content

In order to improve the wind resistance performance, the utility model provides an arched truss structure for closing the material storehouse, which is convenient to manufacture and install, saves investment, and has good market application value.

The technical scheme adopted by the utility model to solve the technical problem is as follows: an arched truss structure used for material storehouse closure, comprising an arched plane truss, an outer support column and a middle support column, and the outer support column is located at the end of the arched plane truss. At both ends, the middle support column is located at the midspan of the arched plane truss, and the upper end of the middle support column is connected with the arched plane truss.

The arched plane truss includes an upper chord and a lower chord arranged at an upper and lower interval, the upper chord and the lower chord are arc-shaped, and an inner web is arranged between the upper chord and the lower chord.

The upper chord is T-beam, round steel pipe, square steel pipe, H-beam or I-beam; the lower chord is T-beam, round steel pipe, square steel pipe, H-beam or I-beam; the inner web is round steel pipe, square steel pipe, angle steel, T-beam, H-beam or I-beam.

The inner web consists of a plurality of oblique inner webs and a plurality of radial inner webs. The upper end of the middle support column is connected and fixed with the lower chord, and the connection between the upper end of the middle support column and the lower chord is connected to one at the mid-span. The lower end of the radially inner web rod coincides with the connection of the lower chord.

The inner web includes a plurality of oblique inner webs, the upper end of the middle support column is connected and fixed with the upper chord and the lower chord, and the connection between the upper end of the middle support column and the lower chord is connected with the two oblique inner webs located in the mid-span. The lower end coincides with the connection of the lower chord.

The outer support columns are concrete double-limb columns, concrete independent columns or steel lattice columns.

A skylight frame is arranged at the ridge of the arched plane truss.

The skylight frame includes an outer chord and an outer web, the outer chord is arc-shaped, and the outer chord, the upper chord and the lower chord are located in the same plane.

The outer chord, the upper chord and the lower chord are arranged at intervals from top to bottom, and the outer abdominal rod is located between the outer chord and the upper chord.

The beneficial effects of the utility model are as follows: the shape of the arched truss structure used for silo closure is very good in wind resistance, and its good streamline shape greatly reduces the force of wind load and correspondingly reduces the cost of the structure At the same time, due to the obvious arch effect of the roof shape and the large vertical stiffness, when the bottom adopts concrete columns, it is easy to realize the sliding construction of the roof truss. In addition, it has the advantages of convenient production and low cost; meanwhile, it is convenient for transportation and installation.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention.

Figure 1 is a front view of the connection between the first type of arched plane truss and the first type of outer support column.

Figure 2 is a front view of the connection between the second type of arched plane truss and the first type of outer support column.

Figure 3 is a schematic diagram of the connection between the first type of arched plane truss and the second type of outer support column.

Figure 4 is a schematic diagram of the connection between the second type of arched plane truss and the second type of outer support column.

Figure 5 is a schematic diagram of the connection between the first type of arched plane truss and the third type of outer support column.

Figure 6 is a schematic diagram of the connection between the second type of arched plane truss and the third type of outer support column.

Figure 7 is a schematic view of the first sunroof frame.

Figure 8 is a schematic diagram of a second type of skylight frame.

Figure 9 is a top view of a large-span closed stockyard.

1. Arched plane truss; 2. Outer support column; 3. Middle support column; 4. Skylight frame; 5. Concrete equipment platform; 6. Purlin and support structure;

11. Upper chord; 12. Lower chord; 13. Inner abdominal rod;

131, oblique inner web rod; 132, radial inner web rod;

41. Outer chord; 42. Outer web;

421, oblique outer web rod; 422, radial outer web rod.

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

An arched truss structure used for silo closure, comprising an arched plane truss 1, an outer support column 2 and a middle support column 3, the outer support column 2 is located at both ends of the arched plane truss 1, and the middle support column 3 is located in the arch. The upper end of the middle support column 3 is connected to the arched plane truss 1 at the midspan of the flat truss 1, as shown in Figures 1 to 6.

An arched truss structure used for silo closure contains two outer support columns 2 and one middle support column 3, and the arched plane truss 1 is supported by two outer support columns 2 and one middle support column 3. The end of the plane truss 1 is connected and fixed with the upper end of the outer support column 2 , and the midspan of the arched plane truss 1 is connected and fixed with the upper end of the middle support column 3 .

In this embodiment, the arched plane truss 1 includes an upper chord 11 and a lower chord 12 arranged at intervals up and down. Rod 13. The inner web 13 includes an oblique inner web 131 , or the inner web 13 includes an oblique inner web 131 and a radially inner web 132 .

Specifically, the arched plane truss 1 includes an upper chord 11, a lower chord 12, a plurality of oblique inner webs 131 and a plurality of radial inner webs 132, and the plurality of oblique inner webs 131 are connected end to end to form a zigzag structure , the radially inner web rod 132 is located between two adjacent oblique inner web rods 131 , as shown in FIG. 1 . Alternatively, the arched plane truss 1 includes an upper chord 11 , a lower chord 12 and a plurality of oblique inner webs 131 , which are connected end to end to form a zigzag structure, as shown in FIG. 2 .

When the arched plane truss 1 includes an upper chord 11, a lower chord 12, a plurality of oblique inner webs 131 and a plurality of radial inner webs 132, as shown in FIG. 1, the upper end of the middle support column 3 and the lower chord 12 The connection is fixed, and the connection between the upper end of the middle support column 3 and the lower chord 12 coincides with the connection between the lower end of a radially inner web bar 132 located at the midspan and the lower chord 12 .

When the arched plane truss 1 includes an upper chord 11, a lower chord 12 and a plurality of inclined inner webs 131, as shown in FIG. 2, the upper end of the middle support column 3 is connected to the upper chord 11 and the lower chord 12, and The connection between the upper end of the support column 3 and the lower chord 12 coincides with the connection between the lower ends of the two oblique inner web bars 131 located at the midspan and the lower chord 12 .

In this embodiment, the upper chord 11 can be T-shaped steel, round steel pipe, square steel pipe, H-shaped steel or I-shaped steel. The lower chord 12 can be T-section steel, round steel pipe, square steel pipe, H-section steel or I-beam. The inner web rod 13 can be a round steel pipe, a square steel pipe, an angle steel, a T-shaped steel, an H-shaped steel or an I-shaped steel.

In this embodiment, the outer support column 2 may be a concrete double-limb column, as shown in FIG. 1 and FIG. 2 . The outer support column 2 can also be a concrete independent column, as shown in FIG. 3 and FIG. 4 . The outer support column 2 can also be a steel lattice column, as shown in FIG. 5 and FIG. 6 . That is, in FIGS. 1 and 2 , the outer support column 2 may be a concrete double-limb column. In Figures 3 and 4, the outer support column 2 is a concrete independent column. In Figures 5 and 6, the outer support column 2 is a steel lattice column.

In this embodiment, a skylight frame 4 is provided at the ridge of the arched plane truss 1 . The sunroof frame 4 includes an outer chord 41 and an outer web 42, the outer chord 41 is arc-shaped, and the outer chord 41, the upper chord 11 and the lower chord 12 are located in the same plane. The outer chord 41 , the upper chord 11 and the lower chord 12 are arranged at intervals from top to bottom, and the outer web 42 is located between the outer chord 41 and the upper chord 11 .

The outer web 42 includes an oblique outer web 421 , or the outer web 42 includes an oblique outer web 421 and a radially outer web 422 . For example, the sunroof frame 4 includes an outer chord 41, four oblique outer web rods 421 and two radial outer web rods 422. The four oblique outer web rods 421 are connected end to end in a zigzag structure, and the radially outer web rods 421 are connected end to end in a zigzag structure. The web bars 422 are located between two adjacent oblique outward web bars 421 , as shown in FIG. 7 . Alternatively, the sunroof frame 4 includes an outer chord 41 and four oblique outward web bars 421, and the four oblique outward web bars 421 are connected end to end in a zigzag structure, as shown in FIG. 8 .

The following introduces a large-span closed material yard. In the space rectangular coordinate system with the X, Y, and Z axes as the coordinate axes, the large-span closed material yard includes a plurality of spaced along the Y-axis direction. The arched truss structure, the arched truss structure used for closing the warehouse is the above-mentioned arched truss structure for closing the warehouse, the arched plane truss 1 is parallel to the plane where the X axis and the Y axis are located, and the arched plane is The span direction of the truss 1 is the same as the X-axis direction, a concrete equipment platform 5 is arranged below the middle support column 3 , and the lower end of the middle support column 3 is connected and fixed to the concrete equipment platform 5 .

The middle support column 3 can be a metal column, and the upper chord 11 , the lower chord 12 and the inner web 13 are all parallel to the plane where the X axis and the Y axis are located. In the large-span closed material yard, the distance between two adjacent arch truss structures used for material storage can be 6m to 24m, that is, the two adjacent ones along the Y-axis direction are used for The distance between the closed arched truss structures of the silo can be 6m to 24m. Two adjacent arched plane trusses 1 are connected by purlins and supporting structures 6 to ensure the integrity and stability of the structure, as shown in FIG. 9 . In addition, a roof plate is also provided above the arched planar truss 1, and retaining walls are provided on the left and right sides of the arched planar truss 1 to ensure the sealing of the large-span closed stockyard.

The connection and fixation methods adopted in the present invention can all adopt the existing connection and fixation methods, such as welding, riveting, and bolt connection. The span of the arched plane truss 1 can be 70m-100m, that is, the span of the large-span closed stockyard can be 70m-100m. After calculation, analysis and comparison, compared with the space truss structure and the reticulated shell structure, the cost of the arch truss structure used for silo closure of the large-span closed yard can be reduced by more than 15%.

The above descriptions are only specific examples of the present invention, and cannot limit the scope of implementation of the present invention. Therefore, the replacement of the equivalent components thereof, or the equivalent changes and modifications made according to the scope of the patent protection of the present invention, shall still belong to the scope of the present invention. Scope covered by this patent. In addition, technical features and technical features, technical features and technical solutions, and technical solutions and technical solutions in the present invention can be freely combined and used.

Claims (9)

1. The utility model provides an arch truss structure for feed bin is sealed, characterized in that, an arch truss structure for feed bin is sealed includes arch plane truss (1), outer support column (2) and middle support column (3), and outer support column (2) are located the both ends of arch plane truss (1), and middle support column (3) are located the mid-span position of arch plane truss (1), and the upper end and the arch plane truss (1) of middle support column (3) are connected.

2. The arched truss structure for the silo closure of claim 1, wherein the arched planar truss (1) comprises an upper chord (11) and a lower chord (12) which are arranged at intervals up and down, the upper chord (11) and the lower chord (12) are both arc-shaped, and an inner web member (13) is arranged between the upper chord (11) and the lower chord (12).

3. The arched truss structure for the silo closure of claim 2, wherein the upper chord member (11) is a T-shaped steel, a round steel pipe, a square steel pipe, an H-shaped steel or an i-shaped steel; the lower chord (12) is T-shaped steel, a round steel pipe, a square steel pipe, H-shaped steel or I-shaped steel; the inner web member (13) is a round steel pipe, a square steel pipe, an angle steel, a T-shaped steel, an H-shaped steel or an I-shaped steel.

4. The arched truss structure for the silo closure of claim 2, wherein the inner web member (13) comprises a plurality of oblique inner web members (131) and a plurality of radial inner web members (132), the upper end of the middle support column (3) is fixedly connected with the lower chord member (12), and the connection position of the upper end of the middle support column (3) and the lower chord member (12) coincides with the connection position of the lower end of one radial inner web member (132) located at the midspan position and the lower chord member (12).

5. The arched truss structure for the silo closure of claim 2, wherein the inner web members (13) comprise a plurality of oblique inner web members (131), the upper ends of the middle support columns (3) are fixedly connected with the upper chords (11) and the lower chords (12), and the joints of the upper ends of the middle support columns (3) and the lower chords (12) are overlapped with the joints of the lower ends of the two oblique inner web members (131) and the lower chords (12) at the midspan position.

6. The arched truss structure for the silo closure of claim 1, wherein the outer support columns (2) are concrete double-limb columns, concrete independent columns or steel lattice columns.

7. The arched truss structure for the silo closure of claim 1, wherein a skylight frame (4) is arranged at the ridge of the arched planar truss (1).

8. The arched truss structure for the silo closure of claim 7, wherein the skylight frame (4) comprises an outer chord (41) and an outer web (42), the outer chord (41) is arc-shaped, and the outer chord (41), the upper chord (11) and the lower chord (12) are positioned in the same plane.

9. The arched truss structure for the silo closure of claim 8, wherein the outer chord (41), the upper chord (11) and the lower chord (12) are sequentially arranged at intervals from top to bottom, and the outer web member (42) is located between the outer chord (41) and the upper chord (11).

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