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Large curved duct

An arc and air duct technology, applied in the direction of pipes, rigid pipes, pipeline layout, etc., can solve the problems of reduced work efficiency, difficult alignment of air ducts, safety accidents of workers, etc., so as to reduce the occurrence of safety accidents. chance, shortening the time of high-altitude action, and reducing the effect of labor intensity

Active Publication Date: 2019-07-30
CHINA MCC5 GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the installation of ventilation systems inside circular buildings such as large theaters, cinemas, and stadiums, the length and curvature of the indoor air ducts are relatively large, and the traditional air duct ground processing method cannot be lifted to its installation position. Only after the air duct units are lifted in turn can two adjacent units be connected; however, this type of installation method also has certain defects, that is, when workers connect two adjacent air duct units, the two air ducts The centering of the single unit is difficult, and multiple adjustments are required to ensure that there is no gap in the connection of the two air duct units. While reducing work efficiency, it also increases the labor intensity of the workers, and the installation of the air duct is a high-altitude operation. Standing at high altitude for a long time is very likely to cause safety accidents for workers

Method used

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Experimental program
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Effect test

Embodiment 1

[0024] Such as figure 1 and image 3 As shown, this embodiment includes a body adapted to the inner peripheral wall of the building, the body is formed by splicing a plurality of monomers 3, and rectangular frame-shaped connecting plates are arranged on both ends of the monomers 3 2. A plurality of fixing holes 1 are opened on the connecting plate 2 at one end of the monomer 3, and a plurality of connecting holes aligned with the fixing holes 1 are opened on the connecting plate 2 at the other end of the monomer 3, and the fixing holes The aperture of 1 is smaller than the aperture of the connecting hole, and also includes a plurality of screw rods 5 and a plurality of fixing blocks with a T-shaped cross section, and a through hole with the same diameter as the fixing hole 1 is opened inside the fixing block, and the fixing The horizontal section 6 of the block is placed in the connecting hole, the end surface of the vertical section 7 of the fixed block is in contact with th...

Embodiment 2

[0028] Such as figure 1 and figure 2 As shown, on the basis of Embodiment 1, this embodiment also includes a plurality of U-shaped buckles 8, the two vertical parts of the buckles 8 are respectively inclined to the vertical direction, and the The two vertical parts of the buckle 8 are respectively in contact with the opposite side walls of the two adjacent connecting plates 2 . In order to further increase the airtightness between the two connecting plates 2 that are in contact with each other, the applicant is provided with a U-shaped buckle 8 on the opposite side walls of the two connecting plates 2. The stress generated by the deformation of the straight part produces a pressing action on the two connecting plates 2 respectively, so as to ensure that the two connecting plates 2 are tightly fitted together.

[0029] As preferably, when two connecting plates 2 are clamped, the ends of the two vertical parts of the buckle 8 will be in close contact with the outer side walls...

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Abstract

The invention discloses a large arc-shaped ventilation duct. The large arc-shaped ventilation duct comprises a body composed of a plurality of single bodies, connecting plates are arranged on the end faces of the two ends of each single body correspondingly, a plurality of fixing holes are formed in the connecting plate of one end of each single body, a plurality of connecting holes are formed in the connecting plate of the other end of each single body, and the aperture of each fixing hole is smaller than the aperture of each connecting hole; through holes are formed in fixing blocks, horizontal sections of the fixing blocks are placed in the connecting holes, and the end faces of vertical sections of the fixing blocks are in contact with the outer side faces of the connecting plates; and threaded rods penetrate through the fixing holes and the through holes in sequence, and nuts on the threaded rods are screwed to enable two adjacent single bodies to be connected in the assembling process. The arc-shaped ventilation duct specially used for ventilation system installation of a special-shaped building top is designed out by the applicant, the arc-shaped ventilation duct adapts to the inner circumferential wall of a building, it can be ensured that workers assemble the ventilation duct rapidly in high altitude, high-altitude work time of the workers is shortened, and meanwhile the labor density of the workers is relieved.

Description

technical field [0001] The invention relates to the field of building installation engineering, in particular to a large arc-shaped air duct. Background technique [0002] The ventilation path of the indoor ventilation system of a high-rise building has a great influence on the improvement of air quality. The design of the ventilation path should be such that the outdoor fresh air first enters the main activities and rest places such as the bedroom, and then the air from the kitchen or bathroom is relatively The poor place is discharged to the outside. The basic requirement of the ventilation volume of mechanical ventilation is to meet the fresh air volume required by people's daily life. According to the national regulations of our country, the fresh air volume per person per hour is not less than 30 cubic meters. [0003] The indoor temperature and oxygen content can be adjusted by reasonably arranging the air ducts indoors. When laying the air ducts, according to the spe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F13/02F16L9/22
CPCF16L9/22F24F13/0254
Inventor 王涛廖晓涛陈卫
Owner CHINA MCC5 GROUP CORP