Center pipe structure of silo steel structure cone top

Abstract

The utility model discloses a center pipe structure of a steel structure cone top of a silo, and relates to the technical field of center pipes of silos. The multiple out-of-tube truss connecting plates are arranged on the outer wall of the steel circular tube, and the multiple out-of-tube truss connecting plates are welded to the steel truss upper chord and the steel truss lower chord; a plurality of external pipe stiffening ribs, wherein each external pipe stiffening rib is arranged between every two adjacent external pipe truss connecting plates; according to the utility model, only a single steel circular pipe is adopted, so that vertical and annular stiffening ribs do not need to be welded between the traditional inner and outer double pipes, the welding difficulty of the stiffening ribs of the central pipe is reduced, the construction efficiency is improved, and various reinforcing measures are adopted to ensure the reliability of a welding seam and the safety of a component; and therefore, the stability of the inner pipe can be ensured when the diameter of the silo is larger.

Description

TECHNICAL FIELD

[0001] The utility model relates to a silo center tube technical field, concretely is a kind of center tube structure of silo steel structure cone top. BACKGROUND

[0002] The existing silo steel structure cone top is used to connect the center tube of steel truss, adopts inner and outer double tubes nesting and only sets up vertical and ring stiffening rib between double tubes, when the height of outer tube is higher or the interval of vertical stiffening rib is smaller, the stiffening rib welding between double tubes is very difficult, thereby affecting welding quality;When the diameter of silo is larger, with the increase of internal force of truss, the diameter required by inner tube will also increase significantly, only setting up stiffening rib between double tubes cannot effectively guarantee the stability of inner tube, and there is a security risk. SUMMARY

[0003] In view of the deficiencies of prior art, the utility model provides a kind of center tube structure of silo steel structure cone top, only adopts single steel round tube, and then does not need to weld vertical and ring stiffening rib between traditional inner and outer double tubes, to reduce the welding difficulty of center tube stiffening rib, improve the efficiency of construction, adopt multiple reinforcing measures to guarantee the reliability of weld and the safety of component, and then can guarantee the stability of inner tube when the diameter of silo is larger.

[0004] To achieve the above object, the utility model is realized by the following technical scheme: a kind of center tube structure of silo steel structure cone top, comprising: steel round tube;Multiple pipe outer truss connecting plates, multiple the pipe outer truss connecting plates are set on the outer wall of steel round tube, and the pipe outer truss connecting plate is welded with steel truss top chord, steel truss bottom chord;Multiple pipe outer stiffening ribs, each the pipe outer stiffening rib is set between every adjacent two pipe outer truss connecting plates;Two pairs of pipe inner partition plates, two pairs the pipe inner partition plate are set in steel round tube and located the position of corresponding steel truss top chord, steel truss bottom chord.

[0005] Preferably, the upper and lower sides of each the pipe inner partition plate are provided with a plurality of first stiffening channel steels, and the first stiffening channel steels on both sides are vertically arranged.

[0006] Preferably, each pair of the pipe inner partition plates is arranged on the upper and lower sides of the centroid line of the steel truss.

[0007] Preferably, each the pipe outer truss connecting plate is provided with a second stiffening channel steel on both sides.

[0008] Preferably, the second stiffening channel steel is reserved with a spacing of not less than 30mm between the steel truss top chord, the steel truss bottom chord and the steel truss diagonal web member.

[0009] Preferably, the two pairs of pipe outer stiffening ribs are arranged at positions corresponding to the steel truss top chord and the steel truss bottom chord respectively, and the multiple pipe outer stiffening ribs along the height direction of the steel pipe are evenly arranged at intervals not greater than 500mm.

[0010] Preferably, the steel pipe is formed by welding steel plates.

[0011] The utility model provides a kind of center pipe structure of silo steel structure cone top, with the following beneficial effects:

[0012] 1, the utility model only adopts single steel pipe, and then does not need to weld vertical and annular stiffening rib between traditional inner and outer double pipes, to reduce the welding difficulty of center pipe stiffening rib, improves the efficiency of construction, uses multiple reinforcing measures to guarantee the reliability of weld and the safety of component, and then can guarantee the stability of inner pipe when the diameter of silo is larger;

[0013] 2, the multiple first stiffening channel steels vertically arranged on the upper and lower sides of pipe inner partition plate in the utility model can ensure that steel pipe does not deform at the position connected with truss when being stressed;The reserved gap between second stiffening channel steel and steel truss can ensure the stability and safety of structure and the convenience of construction and installation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is Figure 1 the sectional view in A-A direction;

[0016] Figure 3 It is Figure 1 the sectional view in B-B direction;

[0017] Figure 4 It is Figure 1 the plan view of pipe inner partition plate.

[0018] In the drawing: 1, steel pipe; 2, pipe inner partition plate; 2-1, first stiffening channel steel; 3, pipe outer truss connecting plate; 3-1, second stiffening channel steel; 4, pipe outer stiffening rib; 5, steel truss top chord; 6, steel truss bottom chord; 7, steel truss inclined web member; 8, steel truss centroid line. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present utility model.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of silo steel structure cone top's center tube structure, comprising: steel round pipe 1;Multiple pipe outer truss connecting plate 3, multiple pipe outer truss connecting plate 3 are set on the outer wall of steel round pipe 1, pipe outer truss connecting plate 3 are welded with steel truss top chord 5, steel truss bottom chord 6;Multiple pipe outer stiffening rib 4, every piece of pipe outer stiffening rib 4 is set between every adjacent two pieces of pipe outer truss connecting plate 3;Two pairs of pipe inner partition plate 2, two pairs of pipe inner partition plate 2 are set in steel round pipe 1 and are located at the position corresponding to steel truss top chord 5, steel truss bottom chord 6.

[0021] In the embodiment, steel round pipe 1 is vertically set in the center position of silo, multiple pipe outer truss connecting plate 3 are used to connect steel round pipe 1 with multiple steel trusses, multiple pipe outer stiffening rib 4 are set between every adjacent two pieces of pipe outer truss connecting plate 3, for reinforcing pipe outer truss connecting plate 3, two pairs of pipe inner partition plate 2 reinforce the connection position of steel round pipe 1 and truss, to prevent deformation damage, the utility model only uses single steel round pipe 1, and then does not need to weld vertical and ring stiffening ribs between traditional inner and outer double pipes, to reduce the welding difficulty of center tube stiffening rib, improve the efficiency of construction, adopt multiple reinforcing measures to guarantee the reliability of weld and the safety of component, and then can guarantee the stability of inner pipe when the diameter of silo is larger.

[0022] As an embodiment of the utility model, multiple first stiffening channel steels 2-1 are vertically arranged on the upper and lower sides of each pipe inner partition plate 2.

[0023] In the embodiment, the multiple first stiffening channel steels 2-1 vertically arranged on the upper and lower sides of pipe inner partition plate 2 can ensure that steel round pipe 1 does not deform at the position connected with truss when stressed.

[0024] As an embodiment of the utility model, each pair of pipe inner partition plate 2 is arranged on the upper and lower sides of steel truss centroid line 8.

[0025] In the embodiment, pipe inner partition plate 2 is arranged on the upper and lower sides of steel truss centroid line 8, which can further prevent deformation.

[0026] As an embodiment of the utility model, second stiffening channel steel is arranged on each side of each pipe outer truss connecting plate 3.

[0027] In the embodiment, the second stiffening channel steel 3-1 can prevent the pipe outer truss connecting plate 3 from being bent and deformed.

[0028] As an embodiment of the utility model, the reserved space between the second stiffening channel steel 3-1 and the steel truss top chord 5, the steel truss bottom chord 6 and the steel truss diagonal web member 7 is not less than 30mm.

[0029] In the embodiment, the reserved space between the second stiffening channel steel 3-1 and the steel truss can ensure the stability and safety of the structure and the convenience of construction and installation.

[0030] As an embodiment of the utility model, the steel round pipe 1 is formed by welding steel plates.

[0031] In the embodiment, the steel round pipe 1 can be made according to the construction requirements on site, so that the steel round pipe 1 meets the construction requirements.

[0032] In the construction of the utility model, the steel plates are coiled and processed according to the construction requirements and are welded to form a steel round pipe 1 with a diameter meeting the requirements on site, the steel round pipe 1 is vertically arranged at the position of the center line of the silo, a plurality of pipe outer truss connecting plates 3 are welded to the outer wall of the steel round pipe 1, and the pipe outer truss connecting plates 3 are welded together with the steel truss top chord 5 and the steel truss bottom chord 6, so that the steel round pipe 1 and the steel truss form a shape similar to the middle rod of the ribs on an umbrella and the framework, the pipe inner partition plate 2 is welded inside the steel round pipe 1 and is respectively located at the positions of the steel truss top chord 5 and the steel truss bottom chord 6, and a plurality of pipe outer stiffening ribs 4 are welded between every two adjacent pipe outer truss connecting plates 3, and the second stiffening channel steel 3-1 is welded on both sides of the pipe outer truss connecting plate 3.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A central tube structure for a silo steel conical top, characterized in that: include: Steel round tube (1); A plurality of external tube truss connection plates (3), wherein the plurality of external tube truss connection plates (3) are arranged on the outer wall of the steel circular tube (1), and the external tube truss connection plates (3) are welded to the steel truss upper chord (5) and the steel truss lower chord (6); A plurality of external tube stiffening ribs (4), each of the external tube stiffening ribs (4) being arranged between two adjacent external tube truss connecting plates (3); Two pairs of in-tube baffles (2) are arranged in the steel circular tube (1) and are located at positions corresponding to the steel truss upper chord (5) and the steel truss lower chord (6).

2. The central tube structure of the conical top of the silo steel structure according to claim 1 is characterized in that: A plurality of first stiffening channel steels (2-1) are provided on the upper and lower sides of each inner tube partition plate (2), and the first stiffening channel steels (2-1) on both sides are vertically arranged.

3. The central tube structure of the conical top of a silo steel structure according to claim 1 or 2, characterized in that: Each pair of the inner tube partitions (2) is arranged on the upper and lower sides of the steel truss centroid (8).

4. The central tube structure of the conical top of a silo steel structure according to claim 1 is characterized in that: Second reinforcing channel steels (3-1) are respectively provided on both sides of each of the outer tube truss connection plates (3).

5. The central tube structure of the conical top of the silo steel structure according to claim 4 is characterized in that: The reserved spacing between the second reinforcing channel steel (3-1) and the steel truss upper chord (5), the steel truss lower chord (6) and the steel truss diagonal web (7) is not less than 30 mm.

6. The central tube structure of the conical top of a silo steel structure according to claim 1, characterized in that: Two pairs of external tube stiffening ribs (4) are respectively arranged at positions corresponding to the upper chord (5) and lower chord (6) of the steel truss, and multiple external tube stiffening ribs (4) are evenly arranged at intervals of no more than 500 mm along the height direction of the steel circular tube (1).

7. The central tube structure of the conical top of a silo steel structure according to claim 1 is characterized in that: The steel circular tube (1) is formed by welding steel plates.

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