CN214999886U - Galvanized rectangular air pipe reinforcing structure - Google Patents

Abstract

The utility model belongs to the technical field of the installation of rectangle tuber pipe, specifically disclose a zinc-plated rectangle tuber pipe reinforced structure, including zinc-plated rectangle tuber pipe and several zinc-plated screw rods, both sides are provided with symmetrical drilling about the rectangle tuber pipe, and zinc-plated screw rod passes drilling and is connected with the rectangle tuber pipe through the fastener, the fastener includes a plurality of nut, first reinforcing washer, second reinforcing washer and rubber packing ring, the diameter of first reinforcing washer is the twice of second reinforcing washer, the utility model discloses it is economical and effective, support in with flat steel in, the steel pipe and compare, support the cost in the zinc-plated screw rod lower, it is littleer to warm logical operation in-process windage simultaneously, and the operating stability to warm logical system influences lessly. Compared with angle steel reinforcement, the galvanized screw reinforcement has smaller impression quality, and if the angle steel is not treated in place, the electrochemical corrosion phenomenon is easy to occur, so that the service life of the air pipe system is shortened.

Description

Galvanized rectangular air pipe reinforcing structure

Technical Field

The utility model belongs to the technical field of the installation of rectangle tuber pipe, concretely relates to zinc-plated rectangle tuber pipe reinforced structure.

Background

According to GB 50243-plus 2016 (Standard for quality inspection and acceptance of construction of Ventilation and air-conditioning engineering), the side length of the rectangular air pipe is more than 630mm, or the side length of the rectangular heat-insulating air pipe is more than 800mm, and the length of the pipe section is more than 1250 mm; or unilateral planar area of low pressure tuber pipe is greater than 1.2m, well, high-pressure tuber pipe is greater than 1.0m, all have the reinforcement measure. The reinforcing form of the air pipe comprises a plurality of modes such as rib pressing, vertical seaming reinforcing, angle steel reinforcing, angle folding reinforcing, crossed ribs, flat steel inner supports, steel pipe inner supports and the like; meanwhile, air pipe reinforcement is also an important component in an air pipe manufacturing process, the air pipe reinforcement mode is reasonably and scientifically selected, the air pipe reinforcement quality is ensured, a plurality of factors such as construction cost reduction and the like are considered, in a plurality of air pipe reinforcement modes, the galvanized screw inner support is a method which can meet the reinforcement quality requirement and can meet the requirement of low economic cost, and according to the actual construction experience of a project, the method for supporting the galvanized screw inner support in the repeated practice is summarized.

Disclosure of Invention

The invention mainly aims to provide a galvanized rectangular air pipe reinforcing structure which meets the construction requirements of mounting of full groups of rectangular air pipes.

In order to achieve the above purpose, the invention provides the following technical scheme:

a galvanized rectangular air pipe reinforcing structure comprises a galvanized rectangular air pipe and a plurality of galvanized screw rods, wherein drill holes are formed in the upper side and the lower side of the rectangular air pipe, the galvanized screw rods penetrate through the drill holes and are connected with the rectangular air pipe through fasteners, the fasteners comprise a plurality of nuts, first reinforcing gaskets, second reinforcing gaskets and rubber gaskets, the diameter of the first reinforcing gaskets is twice that of the second reinforcing gaskets, and when the rectangular air pipe is a positive-pressure air pipe, the fasteners are sequentially outer nuts, first reinforcing gaskets, one-side rectangular air pipe, second reinforcing gaskets of the rubber gaskets and inner nuts along the arrangement mode of the outer side of the rectangular air pipe to the inner side; when the rectangle tuber pipe is negative pressure tuber pipe, the fastener is outer nut, second reinforcement packing ring, rubber packing ring, one side rectangle tuber pipe, first reinforcement packing ring, interior nut along the inboard arrangement in proper order in the rectangle tuber pipe outside.

Furthermore, the width of the galvanized rectangular air pipe is b, when b is more than 630mm and less than or equal to 1000mm, a galvanized screw is used for reinforcement, and the drilling point is arranged in the center of the wide surface of the rectangular air pipe.

Furthermore, the width of the galvanized rectangular air pipe is b, when b is more than 1000mm and less than or equal to 1500mm, three galvanized screws are sequentially arranged along the central axis of the wide surface of the rectangular air pipe for reinforcement, a drilling point is arranged at the center of the center, and a drilling point is respectively arranged at a distance of 50mm from the openings at the two ends of the rectangular air pipe.

Furthermore, the width of the galvanized rectangular air pipe is b, when b is larger than 1500mm, the galvanized screw is adopted to carry out inner support reinforcement at the center of the wide surface of the rectangular air pipe, the drilling points are distributed in a cross shape, five galvanized screws are used to carry out inner support reinforcement, a drilling point is arranged at the axis of the rectangular air pipe, the distance between the two longitudinal drilling points and the openings at the two ends is 100-150 mm, and the distance between the two transverse drilling points and the edge of the rectangular air pipe is 100-150 mm.

Furthermore, after the galvanized rectangular air pipe reinforcing structure is installed, the glass cement is used for plugging the gaps at the opening of the rectangular air pipe.

The utility model has the advantages of it is following:

the operation is simple: the galvanized screw is used as an air pipe inner support carrier, a nut, a steel washer and a rubber washer are matched for fixation, and after the rectangular air pipe is assembled, reinforcement can be performed, and reinforcement can be performed only by using a handheld electric tool.

Is economical and effective: compared with a flat steel inner support and a steel pipe inner support, the galvanized screw inner support is lower in cost, and meanwhile, the wind resistance is smaller in the heating and ventilation operation process, and the influence on the operation stability of the heating and ventilation system is smaller. Compared with angle steel reinforcement, the galvanized screw reinforcement has smaller impression quality, and if the angle steel is not treated in place, the electrochemical corrosion phenomenon is easy to occur, so that the service life of the air pipe system is shortened.

And (3) reducing system operation noise: the system is in the operation in-process, and the tuber pipe can produce certain vibration, and the processing of pressing the muscle is handled and is only handled the tuber pipe surface reinforcement, does not have internal support, and the tuber pipe can produce certain vibration when the operation of middling pressure and above system, and the noise is great, adopts the interior support of galvanized screw rod can effectively reduce the noise.

Drawings

FIG. 1 is a schematic view of a positive pressure rectangular duct reinforcement;

FIG. 2 is a schematic view of a reinforcing method of a negative pressure rectangular air duct;

FIG. 3630 is a schematic diagram of a drilling point when b is more than or equal to 1000 mm;

the schematic diagram of the drilling points when b is more than 41000 mm and less than or equal to 1500mm is shown;

FIG. 51500 mm < b drill point schematic;

wherein: 1. a galvanized screw; 2. a rectangular air duct; 2-1, one side of a rectangular air pipe; 2-2, drilling holes; 3. a fastener; 3-1, external screw cap; 3-2, a first reinforcing gasket; 3-3, a rubber gasket; 3-4, a second reinforcing gasket; 3-5, and an internal nut.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1-5, a galvanized rectangular air pipe reinforcing structure comprises a galvanized rectangular air pipe 2 and a plurality of galvanized screws 1, wherein holes are formed in the rectangular air pipe 2, the galvanized screws 1 penetrate through the holes and are connected with the rectangular air pipe 2 through fasteners 3, the fasteners 3 comprise a plurality of screw caps, first reinforcing gaskets 3-2, second reinforcing gaskets 3-4 and rubber gaskets 3-3, and the diameter of the first reinforcing gaskets 3-2 is twice that of the second reinforcing gaskets 3-4.

The galvanized screw internal support reinforcement combines the deformation principle of positive and negative pressure air pipes, and meets the strength requirement of the air pipe by locally reinforcing the air pipe.

As shown in FIG. 1, when the rectangular air duct 2 is a positive pressure air duct, the fastener 3 sequentially comprises an outer nut 3-1, a first reinforcing washer 3-2, a rectangular air duct 2-1 on one side, a rubber washer 3-3, a second reinforcing washer 3-4 and an inner nut 3-5 along the arrangement mode of the outer side of the rectangular air duct 2 to the inner side; as shown in FIG. 2, when the rectangular air duct 2 is a negative pressure air duct, the fastening members 3 are sequentially arranged along the outside of the rectangular air duct 2 to the inside, as an external nut 3-1, a second reinforcing washer 3-4, a rubber washer 3-3, a rectangular air duct 2-1 on one side, a first reinforcing washer 3-2, and an internal nut 3-5.

As shown in figure 3, when the width (b) of the air pipe is larger than 630 and smaller than or equal to 1000mm, a 10# galvanized screw 1 is adopted to perform inner support reinforcement at the center of the wide surface of a rectangular air pipe 2, one galvanized screw is used for reinforcement, and a drilling point 2-2 is arranged at the center of the wide surface of the rectangular air pipe.

As shown in figure 4, when the width (b) of the rectangular air pipe is larger than 1000mm and smaller than or equal to 1500mm, the 10# galvanized screw rods 1 are adopted to perform inner support reinforcement on the center of the wide surface of the rectangular air pipe, three galvanized screw rods are sequentially arranged along the axis of the air pipe to perform reinforcement, a drilling point is arranged in the middle, and the distance between the other two drilling points and the openings at the two ends of the rectangular air pipe is 50mm respectively.

As shown in fig. 5, when the width (b) of the rectangular air pipe is (1500 mm < b), the 10# galvanized screw 1 is adopted to perform inner support reinforcement at the center of the wide surface of the air pipe, the drilling points are arranged in a cross shape, five galvanized screws are used to perform inner support reinforcement, the axis of the rectangular air pipe is provided with one drilling point 2-2, the distance between the two longitudinal drilling points and the openings at the two ends of the rectangular air pipe is 100-150 mm, and the distance between the two transverse drilling points and the edge of the rectangular air pipe is 100-150 mm.

The concrete operation steps

1. Drilling point positioning drill hole

After the rectangular galvanized air pipe is manufactured, strength and tightness tests are qualified, and appearance detection is qualified, reinforcement measures are required for the rectangular air pipe with the side length larger than 630mm according to the ventilation and air conditioning engineering construction quality acceptance standard. According to the different side lengths of the rectangular air pipes, drilling points are located on the air pipes needing to be reinforced, marks are made, electric drills are used for drilling the drilling points, and holes are formed in the drilling holes according to the diameters of the galvanized screws used for reinforcement.

2. Discharging galvanized screw

And cutting the galvanized screw for later use according to the size of the air pipe, the size of the washer, the size of the nut and the length of the reserved screw.

3. Galvanized screw treatment

And (4) performing fillet treatment on the cut galvanized screw by using a grinding machine, and performing anti-corrosion treatment on the cut surface.

4. Screw rod opposite-penetrating air pipe

And (4) penetrating the galvanized screw rod subjected to blanking treatment into the air pipe along the reinforcing hole, and extending the corresponding length of the galvanized screw rod out of the air pipe to meet the requirements of a nut, a gasket and a reserved length, wherein the reserved length is controlled to be 2-3 circles of screw threads. The tuber pipe is consolidated to zinc-plated screw rod, rely on the support of nut, all use the nut fastening in the inboard outside of drilling point tuber pipe, consequently when the screw rod is to wearing the tuber pipe, just need to penetrate the inside nut of tuber pipe and packing ring together, wear the tuber pipe from one side drilling point with the screw rod earlier, then penetrate the screw rod with inside nut of tuber pipe drilling point and gasket at tuber pipe internal operation, adjust nut and gasket, wear out the screw rod from the drilling point that corresponds in addition.

5. Seal with additional gasket

After the galvanized screw penetrates into the air pipe, the inner side and the outer side of the corresponding air pipe are provided with gaskets. When the air pipe is a positive pressure air pipe, a 30mm diameter steel reinforcing gasket and a 3mm thick rubber gasket are used on the inner side, and a 60mm diameter steel reinforcing gasket is used on the outer side of the air pipe; when the air pipe is a negative pressure air pipe, a 30mm diameter reinforced steel gasket and a 3mm thick rubber gasket are used on the outer side, and a 60mm diameter steel gasket is used on the inner side of the air pipe.

6. Internal and external nut fixation

After the outer washer penetrates into the air duct, the outer nut penetrates into the screw rod, the positions of the inner nut and the outer nut are adjusted, the interior of the air duct is not sunken or protruded, the size of the air duct is checked, and the reinforcing work of the air duct is basically completed.

7. Glass cement sealing treatment

After the reinforcing screw, the fixing washer and the screw cap are installed, the glass cement is used for blocking the gap at the opening of the air pipe, so that the gap can be effectively blocked, and meanwhile, the screw cap and the screw cap can be tightly combined without loosening.

8. Air duct hoisting

After the air pipe is manufactured and reinforced, the installation operation of the air pipe can be started, and the quality control and the finished product protection work can be noticed in the construction process.

Claims (5)

1. A galvanized rectangular air pipe reinforcing structure is characterized by comprising a galvanized rectangular air pipe and a plurality of galvanized screw rods, wherein symmetrical drilling holes are formed in the upper side and the lower side of the rectangular air pipe, the galvanized screw rods penetrate through the drilling holes and are connected with the rectangular air pipe through fasteners, the fasteners comprise a plurality of nuts, first reinforcing gaskets, second reinforcing gaskets and rubber gaskets, the diameter of the first reinforcing gaskets is twice that of the second reinforcing gaskets, and when the rectangular air pipe is a positive-pressure air pipe, the fasteners are sequentially an outer nut, the first reinforcing gaskets, a one-side rectangular air pipe, the rubber gaskets, the second reinforcing gaskets and an inner nut along the arrangement mode that the outer side of the rectangular air pipe faces towards the inner side; when the rectangle tuber pipe is negative pressure tuber pipe, the fastener is outer nut, second reinforcement packing ring, rubber packing ring, one side rectangle tuber pipe, first reinforcement packing ring, interior nut along the inboard arrangement in proper order in the rectangle tuber pipe outside.

2. The reinforcing structure for the galvanized rectangular air pipe as claimed in claim 1, wherein the width of the galvanized rectangular air pipe is b, when b is more than 630mm and less than or equal to 1000mm, a galvanized screw is used for reinforcing, and the drilling point is arranged at the center of the wide surface of the rectangular air pipe.

3. The reinforcing structure for the galvanized rectangular air pipe as claimed in claim 1, wherein the width of the galvanized rectangular air pipe is b, when b is more than 1000mm and less than or equal to 1500mm, three galvanized screws are sequentially arranged along the central axis of the wide surface of the rectangular air pipe for reinforcing, a drilling point is arranged at the center of the center, and a drilling point is arranged 50mm away from the openings at the two ends of the rectangular air pipe.

4. The reinforcing structure for the galvanized rectangular air pipe as claimed in claim 1, wherein the width of the galvanized rectangular air pipe is b, when b is greater than 1500mm, the galvanized rectangular air pipe is internally supported and reinforced by a galvanized screw at the center of the wide surface of the rectangular air pipe, the drilling points are arranged in a cross shape, the five galvanized screws are used for internally supporting and reinforcing, one drilling point is arranged at the axis of the rectangular air pipe, two drilling points in the longitudinal direction are 100-150 mm away from the openings at the two ends of the rectangular air pipe, and two drilling points in the transverse direction are 100-150 mm away from the edge of the rectangular air pipe.

5. The galvanized rectangular air pipe reinforcing structure according to claim 1, 2, 3 or 4, wherein after the galvanized rectangular air pipe reinforcing structure is installed, glass cement is used for blocking gaps at the reinforcing opening of the rectangular air pipe.

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