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A trapezoidal bridge and its manufacturing method

A bridge and trapezoidal technology, applied in the field of trapezoidal bridge and its production, can solve the problems of unusable design scheme, cumbersome assembly operation, difficult process realization, etc., and achieve the effect of ingenious structural design, good visual effect and convenient use

Active Publication Date: 2018-10-26
科梦风电设备唐山有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, most manufacturers basically use the structural design of thin steel plate forming due to problems such as cost and inherent viewpoints. This design takes up space, so this design cannot be used in the relatively cramped space in the wind power tower.
Subsequently, products with relatively simple structures also appeared in the industry, but the process was difficult to realize and the cost was high, resulting in worrying applications
In addition, most of the connections between beams and longitudinal beams are connected by independent parts, nuts, bolts and other components, but when they are insufficient, the assembly is cumbersome, the operation is more delicate, wastes time, and requires specialized personnel to assemble, and the labor cost is high

Method used

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  • A trapezoidal bridge and its manufacturing method
  • A trapezoidal bridge and its manufacturing method
  • A trapezoidal bridge and its manufacturing method

Examples

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Effect test

Embodiment 1

[0041] A kind of trapezoidal bridge frame described in the embodiment of the present invention, such as Figure 1~3 As shown, it includes two bridge longitudinal beams 1 and some bridge beams 2 connected between the two bridge longitudinal beams 1; There is a melting pole 3, and the bridge beam 2 is fixedly connected with the bridge longitudinal beam 1 through the melting pole 3, such as Figure 4 shown;

[0042] The melting pole 3 is at least one connection bump 31 protruding from the bridge beam 2, and the connection bump 31 is arranged on the connection end 21, such as Figure 5 shown.

[0043] As a further preferred embodiment, such as Image 6 As shown, the section of the bridge beam 2 is a hollow rectangle, and one side of the rectangle is provided with an opening 22, which is similar to a "C" shape, and the size of the opening can be determined according to actual use requirements; the hollow rectangular groove is provided with an opening structure Design, the weigh...

Embodiment 2

[0056] A method for manufacturing a trapezoidal bridge, the method comprising:

[0057] ①Manufacture of bridge beam 2

[0058] A. make bridge beam 2 hollow structure, its section is rectangle, and opening 22 is set on one side of rectangle, opening size can be decided according to actual application situation;

[0059] B. Several through holes 23 are arranged on the bottom edge 24 of the bridge beam 2. The through holes are preferably elliptical structures, and their size can be: 0.8~3cm in long diameter and 0.5~1.5cm in short diameter, specific size It can be determined according to the actual application;

[0060] C. the bottom edge 24 of the connecting end 21 of every bridge beam 2 is made into an inwardly concave arc 25 structure, and the depth of the depression can be 1~3mm, preferably 1.5~2mm;

[0061] D. on the connecting end of every bridge beam 2, several connecting bumps 31 protruding from the bridge beam 2 are set as melting poles 3. The preferred 4 connecting bum...

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Abstract

The invention relates to a trapezoid bridge frame and a manufacturing method thereof. The trapezoid bridge frame comprises two bridge frame longitudinal beams and a plurality of bridge frame transverse beams connected between the two bridge frame longitudinal beams. The two ends, connected with the bridge frame longitudinal beams, of the bridge frame transverse beams are connecting ends, the connecting ends are provided with consumable electrodes, and the bridge frame transverse beams are fixedly connected with the bridge frame longitudinal beams through the consumable electrodes; the consumable electrodes are at least one connecting salient point protruding out of the bridge frame transverse beams, and the connecting salient points are arranged on the connecting ends. The bridge frame transverse beams and the bridge frame longitudinal beams are welded through the multiple connecting salient points, connection is firm and stable, and grooves or protrusions are prevented from being designed on the bridge frame longitudinal beams, so that processing is easier, and the processing cost is low.

Description

technical field [0001] The invention relates to a bridge frame in the mechanical field, in particular to a trapezoidal bridge frame mainly used in wind power towers and a manufacturing method thereof. Background technique [0002] The trapezoidal bridge is a relatively commonly used device. At present, it is mainly used in wind power towers. In this field, the existing mesh bridges and their connection methods are different for each manufacturer or user. [0003] However, due to problems such as cost and inherent viewpoints, most manufacturers basically use the structural design of thin steel plate forming. This design takes up space, so this design cannot be used in the relatively cramped space in the wind power tower. Subsequently, products with a relatively simple structure appeared in the industry, but the process was difficult to realize and the cost was high, which caused worrying application. In addition, most of the connections between beams and longitudinal beams a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G3/04
CPCH02G3/0456
Inventor 李铮温贤
Owner 科梦风电设备唐山有限公司
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