CN210239062U - Heat preservation structure of rectangular air pipe - Google Patents
Heat preservation structure of rectangular air pipe Download PDFInfo
- Publication number
- CN210239062U CN210239062U CN201920951709.8U CN201920951709U CN210239062U CN 210239062 U CN210239062 U CN 210239062U CN 201920951709 U CN201920951709 U CN 201920951709U CN 210239062 U CN210239062 U CN 210239062U
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- air pipe
- rectangular
- frame
- rectangular air
- connecting rod
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- 238000004321 preservation Methods 0.000 title description 12
- 238000009413 insulation Methods 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000005452 bending Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 6
- 239000010962 carbon steel Substances 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 15
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000003292 glue Substances 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A heat insulation structure of a rectangular air pipe comprises a fixed frame assembly and a heat insulation plate; the fixed frame component comprises a rectangular frame and a flanging; the rectangular frame is formed by bending a steel belt; the two ends of the steel belt are respectively bent outwards to form the turned edges, and the turned edges at the two ends are attached; the lower part of the flanging is correspondingly provided with a through hole, and a connecting bolt is arranged in the through hole; the upper parts of the two flanges are bent towards the same side to form an occlusion joint; the rectangular frame is provided with connecting rods and connecting holes at intervals; the connecting rods are arranged at intervals along the frame edge of the rectangular frame; the connecting holes are spaced on the frame edge of the rectangular frame; the rectangular frame is fixed with the rectangular air pipe through a fixing piece penetrating through the connecting hole; the tip of connecting rod surpasss the surface of heated board to the heated board is pressed through the dop that sets up at the connecting rod tip and is established on the rectangle tuber pipe. The utility model provides a receive environmental impact during traditional insulation construction big, construction condition be difficult to realize, insulation quality is difficult to guarantee, environmental protection and fire behavior are poor and the shorter technical problem of structural life.
Description
Technical Field
The utility model belongs to the building engineering field, especially a heat preservation structure of rectangle tuber pipe.
Background
A certain project is the sports management center integrated training hall project in winter, this project is because the fire prevention requirement is higher, the thermal-insulated and speed slip of prevention and exhaust system fire prevention, skating, the air conditioning system insulation material in the sky above the curling ground chooses the rock wool board for use, because of this project social influence is big, fire prevention and energy-conserving efficiency require highly, green requires highly, adopt rock wool board or glass panels heat retaining tuber pipe, its fixed mode is that the heat preservation nail that adopts glue to paste passes the heated board and passes through the heat preservation preforming fixedly usually, its shortcoming mainly has: 1. the glued heat-insulating nail is greatly influenced by the limitation of the construction environment temperature of more than 5 ℃; 2. the curing time of the glue is as long as more than 12 hours, and the construction conditions are difficult to realize; 3. the heat preservation quality is difficult to guarantee, the heat preservation plate often bulges and falls off, condensed water seeps out, and energy is lost; 4. the glue is not environment-friendly when being stuck; 5. the adhesive is not fireproof; 6. the adhesive glue is easy to age, and the heat preservation effect is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a insulation construction of rectangle tuber pipe receives environmental impact when solving traditional insulation construction and is big, construction condition is difficult to realize, thermal insulation quality is difficult to guarantee, environmental protection and fire behavior are poor and the shorter technical problem of structural life.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A heat insulation structure of a rectangular air pipe is arranged on the outer surface of the rectangular air pipe; comprises a fixed frame component and a heat insulation board; the group of fixed frame assemblies are sleeved on the rectangular air pipe in parallel at intervals along the long axis direction of the rectangular air pipe; the fixed frame component comprises a rectangular frame and a flanging; the rectangular frame is formed by bending a steel belt, and the size of the rectangular frame is adapted to the size of the cross section of the rectangular air pipe; the flanges are formed by respectively bending two ends of the steel belt outwards, and the flanges at the two ends are mutually attached; the lower parts of the two flanges are correspondingly provided with through holes, and connecting bolts penetrate through the through holes; the upper parts of the two flanges are bent towards the same side to form an occlusion joint; connecting rods and connecting holes are arranged on the frame edge of the rectangular frame at intervals; the connecting rods are arranged in a group and are arranged at intervals along four frame edges of the rectangular frame; each connecting rod is perpendicular to the corresponding frame edge; the connecting holes are divided into a group and are arranged on four frame edges of the rectangular frame at intervals; the rectangular frame is fixed with the rectangular air pipe through a fixing piece penetrating through the connecting hole; four insulation boards are correspondingly laid on four side faces of the rectangular air pipe; a through hole penetrating through the connecting rod is formed in the surface of the heat insulation plate; the end part of the connecting rod exceeds the outer surface of the heat-insulating plate, and the heat-insulating plate is pressed on the rectangular air pipe through a clamping head arranged at the end part of the connecting rod.
Preferably, the rectangular air pipe is formed by splicing a group of rectangular air pipe units; and two adjacent rectangular air pipe units are detachably connected.
Preferably, the distance between the fixed frame assembly on the outermost side and the end part of the rectangular air duct is less than or equal to 150mm, and the distance between two adjacent fixed frame assemblies is less than or equal to 300 mm.
Preferably, the fixed frame assembly is made of galvanized steel plates or carbon steel, and the width of the frame edge of the rectangular frame is not less than 20 mm.
Preferably, the connecting rod is made of lead wires or aluminum wires and is connected with the rectangular frame in a welding mode; the distance between adjacent connecting rods is not more than 200 mm.
Preferably, the length of the part of the connecting rod, which exceeds the heat-insulating plate, is not less than 10mm, and the clamping head is formed by bending the part of the connecting rod, which exceeds the heat-insulating plate.
Preferably, a pressing sheet is arranged on the connecting rod and between the heat insulation plate and the clamping head.
Compared with the prior art, the utility model has the following characteristics and beneficial effect.
1. The utility model discloses a heat preservation structure adopts fixed frame subassembly, and the connecting rod welding that is connected with the heated board is on fixed frame subassembly, not with the welding of tuber pipe main part, and this kind of connected mode utilizes the quality dispersion of fixed frame subassembly with the heated board, and is not direct to be connected heated board and tuber pipe main part to be difficult to destroy main part tuber pipe surface course, and the connecting rod adopts the welding form to be connected with fixed frame subassembly, makes tuber pipe and heated board fixed firm, and the heated board is difficult for droing, has guaranteed the permanent quality and the efficiency of heated board.
2. The utility model discloses a fixed frame subassembly is fixed the heated board on the rectangle tuber pipe to welded connection pole on fixed frame subassembly, the fixed heated board of connecting rod does not receive the environmental impact, and the material acquisition mode of connecting rod is simple, does not receive material intermittent time requirement, guarantees the construction progress.
3. The utility model provides an adopt the welding mode to be connected heat preservation nail and fixed frame subassembly, replace glue and paste the form, the fastness of the connection of improvement has prolonged life, and makes the construction pollution-free, prevent fires, has guaranteed construction safety.
4. The utility model provides a fixed frame subassembly can adopt the leftover bits of preparation tuber pipe, save material's expense to practice thrift the project cost, fixed frame subassembly also can mill the prefabrication, can make at any time, is favorable to the assurance of construction progress.
5. The two ends of the rectangular frame are provided with the flanges, the flanges are connected through the connecting bolts which are arranged in a penetrating way, the upper parts of the flanges are bent at the same time to form hook-shaped occlusion joints, and the end parts of the occlusion joints are pressed on the heat insulation board; the utility model discloses a this kind of attach fitting not only makes the link more firm, and when the construction, the tip of interlock joint can not be towards the outside, cause the injury to constructor moreover, has improved the security of construction.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic front view of the heat insulating structure of the present invention.
Figure 2 is the utility model discloses be provided with the structural schematic of connecting rod on the fixed frame subassembly.
Figure 3 is the structure schematic diagram of the middle fixing frame assembly of the utility model.
Fig. 4 is a schematic structural view of the medium snap joint of the present invention.
Fig. 5 is a schematic structural view of the middle flange of the present invention with through holes.
Fig. 6 is a schematic structural view of the connecting rod and the connecting hole arranged on the middle rectangular frame of the present invention.
Fig. 7 is a schematic structural view of the thermal insulation plate of the present invention.
Fig. 8 is a schematic structural view of the present invention, wherein flange joints are disposed at two ends of the rectangular air pipe unit.
Fig. 9 is a schematic structural view of the pressing sheet of the present invention.
Reference numerals: 1-rectangular air pipe, 1.1-rectangular air pipe unit, 2-fixed frame component, 2.1-rectangular frame, 2.2-flanging, 2.2.1-snap joint, 3-heat preservation plate, 4-perforation, 5-connecting bolt, 6-connecting rod, 7-connecting hole, 8-fixing piece, 9-through hole, 10-clamping head, 11-flange joint, 11.1-flange vertical joint, 11.2-flange transverse joint, 12-pressing piece and 13-groove.
Detailed Description
As shown in fig. 1-9, the heat preservation structure of the rectangular air duct is arranged on the outer surface of the rectangular air duct 1; comprises a fixed frame component 2 and an insulation board 3; the fixed frame assemblies 2 are provided in a group, and the group of fixed frame assemblies 2 are sleeved on the rectangular air pipe 1 in parallel at intervals along the long axis direction of the rectangular air pipe 1; the fixed frame component 2 comprises a rectangular frame 2.1 and a flanging 2.2; the rectangular frame 2.1 is formed by bending a steel strip, and the size of the rectangular frame 2.1 is matched with the size of the cross section of the rectangular air pipe 1; the flanges 2.2 are formed by respectively bending two ends of the steel belt outwards, and the flanges 2.2 at the two ends are mutually attached; the lower parts of the two flanges 2.2 are correspondingly provided with through holes 4, and connecting bolts 5 penetrate through the through holes 4; the upper parts of the two flanges 2.2 are bent towards the same side to form an occlusal joint 2.2.1, and the end part of the occlusal joint 2.2.1 is pressed on the heat insulation board 3; the frame edge of the rectangular frame 2.1 is provided with connecting rods 6 and connecting holes 7 at intervals; the connecting rods 6 are arranged in a group and are arranged at intervals along four frame edges of the rectangular frame 2.1; wherein each connecting rod 6 is arranged vertically to the corresponding frame edge; the connecting holes 7 are divided into a group and are arranged on four frame edges of the rectangular frame 2.1 at intervals; the rectangular frame 2.1 is fixed with the rectangular air pipe 1 through a fixing piece 8 arranged in the connecting hole 7 in a penetrating manner; four insulation boards 3 are correspondingly laid on four side surfaces of the rectangular air pipe 1; a through hole 9 penetrating through the connecting rod 6 is formed on the surface of the heat insulation plate 3; the end of the connecting rod 6 exceeds the outer surface of the heat-insulating plate 3, and the heat-insulating plate 3 is pressed on the rectangular air pipe 1 through a clamping head 10 arranged at the end of the connecting rod 6.
In this embodiment, the fixing member 8 is a heat-insulating nail, and the heat-insulating nail is welded to the rectangular air pipe 1.
In the embodiment, the rectangular air pipe 1 is formed by splicing a group of rectangular air pipe units 1.1; two adjacent rectangular air pipe units 1.1 are detachably connected.
In this embodiment, the distance between the outermost fixed frame assembly 2 and the end of the rectangular air duct 1 is less than or equal to 150mm, and the distance between two adjacent fixed frame assemblies 2 is less than or equal to 300 mm.
In the embodiment, the fixing frame component 2 is made of galvanized steel plates or carbon steel, and the width of the frame edge of the rectangular frame 2.1 is not less than 20 mm; when carbon steel is used, the outer surface of the fixed frame component 2 is subjected to anticorrosion treatment.
In this embodiment, the connecting rod 6 is made of lead wire or aluminum wire, and the connecting rod 6 is welded to the rectangular frame 2.1; the distance between adjacent connecting rods 6 is not more than 200 mm.
In this embodiment, the length of the part of the connecting rod 6 exceeding the heat insulation board 3 is not less than 10mm, and the dop 10 is formed by bending the part of the connecting rod 6 exceeding the heat insulation board 3.
In this embodiment, a pressing sheet 12 is disposed on the connecting rod 6 and between the thermal insulation board 3 and the chuck 10.
The construction method of the heat insulation structure of the rectangular air pipe comprises the following steps.
The method comprises the following steps: the cross section size of the rectangular air pipe 1, the length of the rectangular air pipe unit 1.1 and the connection mode of the adjacent rectangular air pipe units 1.1 are determined according to a design drawing.
Step two: lofting the steel strip for manufacturing the fixed frame assembly 2: cutting a 20mm wide steel strip with the thickness of delta 0.75 mm-delta 1.2mm, wherein the steel strip is made of a galvanized steel plate or carbon steel, and when the carbon steel is adopted, the outer surface of the steel strip is subjected to anticorrosion treatment; lofting the steel belt according to a design drawing, reserving a flanging 2.2 with the length not less than 20mm at one end of the steel belt, and reserving a flanging 2.2 with the length not less than 25mm at the other end of the steel belt; and when the length of the steel strip is not enough, lengthening by welding.
Step three: the position of the connecting rod 6 is marked on the steel strip by using a colorfast mark, and the arrangement principle of the connecting rod 6 on the steel strip is as follows: the distance between the connecting rods 6 positioned on the transverse edge of the top of the rectangular frame 2.1 and the folding line on the corresponding side is not more than 100mm, and the distance between the adjacent connecting rods 6 is not more than 200 mm; the distance between the connecting rods 6 positioned on the vertical edges at the two sides of the rectangular frame 2.1 and the folding line at the corresponding side is not more than 100mm, and the distance between the adjacent connecting rods 6 is not more than 150 mm; the distance between the connecting rods 6 on the transverse edge of the bottom of the rectangular frame 2.1 and the folding line on the corresponding side is not more than 100mm, and the distance between the adjacent connecting rods 6 is not more than 100 mm.
Step four: and punching through holes 4 on reserved flanges 2.2 at two ends of the steel strip, wherein the distance between each through hole 4 and the end part of the corresponding end of the steel strip is not less than 10 mm.
Step five: connecting holes 7 are punched in the steel belt, and the positions and the number of the connecting holes 7 are as follows.
When the length of the vertical edges at the two sides of the rectangular frame 2.1 is less than or equal to 500mm, a connecting hole 7 is drilled in the middle of each vertical edge; when the length of the vertical edges at two sides of the rectangular frame 2.1 is more than 500mm, two or more than two connecting holes 7 are punched on the vertical edges at intervals, and the distance between every two adjacent connecting holes 7 is not more than 500 mm;
when the length of the bottom transverse edge of the rectangular frame 2.1 is less than or equal to 400mm, a connecting hole 7 is drilled in the middle of the bottom transverse edge, when the length of the bottom transverse edge of the rectangular frame 2.1 is greater than 400mm, two or more connecting holes 7 are drilled on the bottom transverse edge at intervals, and the distance between every two adjacent connecting holes 7 is not greater than 400 mm.
Step six: and bending the steel belt according to the marked folding line, enabling one side surface marked with the position of the connecting rod 6 to face outwards, enabling the bent end part of the steel belt to be positioned at the top of the rectangular frame 2.1, upwards bending the end part of the steel belt by 90 degrees according to the folding line of the flanging 2.2, and enabling the through holes 4 on the flanging 2.2 at the two sides to correspond.
Step seven: the connecting bolt 5 is inserted into the through hole 4, and the flanges 2.2 at the two sides are connected.
Step eight: and shearing the easily-folded and easily-welded lead wire or aluminum wire into the connecting rod 6, so that the length of the connecting rod 6 exceeding the heat-insulating plate 3 is not less than 10 mm.
Step nine: the connecting bolts 5 are removed, and a group of rectangular frames 2.1 are hooped on the rectangular air pipe 1 in parallel at intervals; the upper parts of the flanges 2.2 at the two ends of the rectangular frame 2.1 are bent towards the same side for primary occlusion.
Step ten: the fixing piece 8 penetrates through the connecting hole 7 in the rectangular frame 2.1, and the rectangular frame 2.1 and the rectangular air pipe 1 are fixed through the fixing piece 8.
Step eleven: and (3) penetrating a connecting bolt 5 into the through hole 4 for screwing, and bending the upper parts of the flanges 2.2 at the two ends of the rectangular frame 2.1 towards the same side again to ensure that the seaming ends are occluded and locked to form an occlusion joint 2.2.1.
Step twelve: manufacturing a heat insulation plate 3: and (4) blanking the heat insulation board 3 according to the size of each side face of the rectangular air pipe unit 1.1.
Step thirteen: pass heated board 3 and hug closely on the side that rectangle tuber pipe unit 1.1 corresponds one side through connecting rod 6 to set gradually preforming 12 and dop 10 on connecting rod 6 surpasss the position of heated board 3, fix heated board 3.
Fourteen steps: and arranging a corrosion-proof heat-insulating layer and a fireproof layer on the outer side of the heat-insulating plate 3 according to design requirements, and finishing construction.
In this embodiment, in the first step, the adjacent rectangular air duct units 1.1 are connected by flanges, and the specification of the flange joint 11 is determined.
In this embodiment, in the ninth step, the distance between the rectangular frame 2.1 and the end of the rectangular air duct unit 1.1 is less than or equal to 150mm, and the distance between two adjacent rectangular frames 2.1 is less than or equal to 300 mm.
In the thirteenth embodiment, in the step thirteen, the pressing piece 12 is inserted into the connecting rod 6, the portion of the connecting rod 6 beyond the heat insulation board 3 is bent to form the chuck 10, and the end of the bent connecting rod 6 is pressed against the pressing piece 12.
In this embodiment, the flanges 2.2 are formed by bending two ends of the steel strip outwards at 90 degrees respectively.
In this embodiment, the upper portions of the two flanges 2.2 are bent horizontally toward the same side and are bent vertically to form a hook-shaped snap joint 2.2.1.
In this embodiment, the flange joint 11 includes a flange vertical interface 11.1 and a flange horizontal pressure interface 11.2; the flange horizontal pressure port 11.2 is annular and is sleeved at the end part of the rectangular air pipe unit 1.1 and is in surface contact with the rectangular air pipe unit 1.1; the flange vertical connector 11.1 is annular and is arranged on the outer surface of the flange horizontal pressure port 11.2 and at the position corresponding to the end part of the rectangular air pipe unit 1.1; the vertical flange joint 11.1 is perpendicular to the horizontal flange joint 11.2.
In the embodiment, a groove 13 is formed in the inner side surface of the heat insulation plate 3 at a position corresponding to the connection position of the adjacent rectangular air pipe units 1.1; the flange vertical interface 11.1 of the flange joint 11 is inserted in the groove 13.
In this embodiment, the diameter of the connecting rod 6 is 2-4 mm.
In this embodiment, the fixing member is a heat-insulating nail.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate, but not limit the scope of the present invention, and all applications coming from the simple changes of the present invention fall within the scope of the present invention.
Claims (7)
1. A heat insulation structure of a rectangular air pipe is arranged on the outer surface of a rectangular air pipe (1); the method is characterized in that: comprises a fixed frame component (2) and a heat insulation plate (3); the fixed frame assemblies (2) are provided with one group, and the fixed frame assemblies (2) are sleeved on the rectangular air pipe (1) in parallel at intervals along the long axial direction of the rectangular air pipe (1); the fixed frame component (2) comprises a rectangular frame (2.1) and a flanging (2.2); the rectangular frame (2.1) is formed by bending a steel strip, and the size of the rectangular frame (2.1) is adapted to the size of the cross section of the rectangular air pipe (1); the flanges (2.2) are formed by respectively bending two ends of the steel belt outwards, and the flanges (2.2) at the two ends are mutually attached; the lower parts of the two flanges (2.2) are correspondingly provided with through holes (4), and connecting bolts (5) penetrate through the through holes (4); the upper parts of the two flanges (2.2) are bent towards the same side to form a snap joint (2.2.1); the frame edge of the rectangular frame (2.1) is provided with connecting rods (6) and connecting holes (7) at intervals; the connecting rods (6) are arranged in a group and are arranged at intervals along four frame edges of the rectangular frame (2.1); wherein each connecting rod (6) is vertically arranged with the corresponding frame edge; the connecting holes (7) are divided into a group and are arranged on four frame edges of the rectangular frame (2.1) at intervals; the rectangular frame (2.1) is fixed with the rectangular air pipe (1) through a fixing piece (8) arranged in the connecting hole (7) in a penetrating mode; four insulation boards (3) are correspondingly laid on four side surfaces of the rectangular air pipe (1); a through hole (9) which penetrates through the connecting rod (6) is formed on the surface of the heat insulation plate (3); the end part of the connecting rod (6) exceeds the outer surface of the heat-insulating plate (3), and the heat-insulating plate (3) is pressed on the rectangular air pipe (1) through a clamping head (10) arranged at the end part of the connecting rod (6).
2. The insulation structure of the rectangular air pipe according to claim 1, wherein: the rectangular air pipe (1) is formed by splicing a group of rectangular air pipe units (1.1); two adjacent rectangular air pipe units (1.1) are detachably connected.
3. The insulation structure of the rectangular air pipe according to claim 1, wherein: the distance between the fixed frame component (2) on the outermost side and the end part of the rectangular air pipe (1) is less than or equal to 150mm, and the distance between two adjacent fixed frame components (2) is less than or equal to 300 mm.
4. The insulation structure of the rectangular air pipe according to claim 1, wherein: the fixed frame component (2) is made of galvanized steel plates or carbon steel, and the width of the frame edge of the rectangular frame (2.1) is not less than 20 mm.
5. The insulation structure of the rectangular air pipe according to claim 1, wherein: the connecting rod (6) is made of lead wires or aluminum wires, and the connecting rod (6) is connected with the rectangular frame (2.1) in a welding mode; the distance between the adjacent connecting rods (6) is not more than 200 mm.
6. The insulation structure of the rectangular air pipe according to claim 5, wherein: the length of the part of the connecting rod (6) exceeding the heat-insulating plate (3) is not less than 10mm, and the dop (10) is formed by bending the part of the connecting rod (6) exceeding the heat-insulating plate (3).
7. The insulation structure of the rectangular air pipe according to claim 1, wherein: and a pressing sheet (12) is arranged on the connecting rod (6) and between the heat insulation plate (3) and the clamping head (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951709.8U CN210239062U (en) | 2019-06-24 | 2019-06-24 | Heat preservation structure of rectangular air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951709.8U CN210239062U (en) | 2019-06-24 | 2019-06-24 | Heat preservation structure of rectangular air pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210239062U true CN210239062U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920951709.8U Expired - Fee Related CN210239062U (en) | 2019-06-24 | 2019-06-24 | Heat preservation structure of rectangular air pipe |
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| CN (1) | CN210239062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185233A (en) * | 2019-06-24 | 2019-08-30 | 中建二局第三建筑工程有限公司 | A kind of insulation construction and its construction method of rectangular air duct |
-
2019
- 2019-06-24 CN CN201920951709.8U patent/CN210239062U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185233A (en) * | 2019-06-24 | 2019-08-30 | 中建二局第三建筑工程有限公司 | A kind of insulation construction and its construction method of rectangular air duct |
| CN110185233B (en) * | 2019-06-24 | 2024-01-05 | 中建二局第三建筑工程有限公司 | Insulation structure of rectangular air pipe and construction method thereof |
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Granted publication date: 20200403 |