一种网架煤棚延长加固结构

Abstract

本实用新型公开了一种网架煤棚延长加固结构，包括原有网架、新建网架和加强桁架；原有网架为上弦支撑网架或下弦支撑网架；新建网架为与原有网架对应的上弦支撑网架或下弦支撑网架；加强桁架置于原有网架和新建网架之间，包括桁架基础、桁架上弦杆、桁架下弦杆和桁架腹杆；桁架上弦杆或桁架下弦杆锚固在桁架基础上；桁架腹杆两端分别与桁架上弦杆和原有网架、新建网架上弦杆以及桁架下弦杆和原有网架、新建网架下弦杆焊接或栓接固定。本实用新型通过加强桁架连接原有网架和新建网架，原有网架和新建网架的结构形式相同，利用加强桁架对原有网架进行延长加固，对于钢结构网架改造工程，无需对原有网架拆除重建，大大提高了经济效益。

Claims

1. A kind of net frame coal shed extension reinforcing structure, it is characterized in that, It includes the existing space frame (1), the newly built space frame (2), and the reinforced truss (3); The original space frame (1) is an upper chord supported space frame or a lower chord supported space frame; the newly built space frame (2) is an upper chord supported space frame or a lower chord supported space frame corresponding to the original space frame (1); The reinforcing truss (3) is placed between the original space frame (1) and the newly built space frame (2); the reinforcing truss (3) includes a truss foundation (31), a truss upper chord (32), a truss lower chord (33) and a truss web member (34); the truss upper chord (32) or the truss lower chord (33) is anchored to the truss foundation (31); the two ends of the truss web member (34) are respectively welded or bolted to the truss upper chord (32) and the upper chord (6) of the original space frame (1) and the newly built space frame (2), and the truss lower chord (33) and the lower chord (7) of the original space frame (1) and the newly built space frame (2).

2. The extended reinforcing structure of a space truss coal shed according to claim 1, characterized in that, The truss has two upper chord members (32), one lower chord member (33), and multiple web members (34). The two ends of the multiple web members (34) are welded or bolted to the walls of the two upper chord members (32) and the lower chord member (33) to form a triangular upper chord reinforced truss.

3. The extended reinforcing structure of a space truss coal shed according to claim 1, characterized in that, The truss has one upper chord (32), two lower chords (33), and multiple web members (34). The two ends of the multiple web members (34) are respectively welded or bolted to the upper chord (32) and the two lower chords (33) to form a triangular lower chord reinforced truss.

4. The extended reinforcing structure of a space truss coal shed according to claim 2 or 3, characterized in that, A stiffening plate (35) is welded between the outer wall of the truss web member (34) and the outer wall of the truss upper chord member (32) or the truss lower chord member (33).

5. The extended reinforcing structure of a space truss coal shed according to claim 4, characterized in that, The thickness of the stiffening plate (35) is not less than 1 cm.

6. The extended reinforcing structure of a space truss coal shed according to claim 1, wherein, The top of the original space frame (1), the newly built space frame (2) and the reinforcing truss (3) are fixed with color steel plates (4).

7. The extended reinforcing structure of a space truss coal shed according to claim 1, wherein, A connecting web member (8) is fixed between the upper chord (6) and the lower chord (7).

8. The extended reinforcing structure of a space truss coal shed according to claim 1, characterized in that, The truss foundation (31) includes piles, pile caps, connecting columns and retaining walls anchored sequentially from top to bottom.

9. The extended reinforcing structure of a space truss coal shed according to claim 8, characterized in that, The structure of the new space frame (2) foundation (5) and the truss foundation (31) are the same as that of the original space frame (1) foundation (5).

10. The extended reinforcing structure of a space truss coal shed according to claim 8, wherein, Both the original space frame (1) and the newly built space frame (2) are equipped with longitudinal walkways.

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