CN113864648A - Wide-temperature-range large-section straight-through type air valve pipeline for airplane test - Google Patents

Wide-temperature-range large-section straight-through type air valve pipeline for airplane test Download PDF

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Publication number
CN113864648A
CN113864648A CN202111473609.7A CN202111473609A CN113864648A CN 113864648 A CN113864648 A CN 113864648A CN 202111473609 A CN202111473609 A CN 202111473609A CN 113864648 A CN113864648 A CN 113864648A
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China
Prior art keywords
pipe body
pipeline
external
built
vertical
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CN202111473609.7A
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Chinese (zh)
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CN113864648B (en
Inventor
曹琦
成竹
陆国杰
马建军
都亚鹏
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AVIC Aircraft Strength Research Institute
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AVIC Aircraft Strength Research Institute
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Publication of CN113864648B publication Critical patent/CN113864648B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00Pipe-line systems
    • F17D1/02Pipe-line systems for gases or vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F5/00Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
    • B64F5/60Testing or inspecting aircraft components or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L43/00Bends; Siphons
    • F16L43/001Bends; Siphons made of metal
    • F16L43/003Bends; Siphons made of metal having a rectangular cross-section
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/07Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/028Composition or method of fixing a thermally insulating material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/029Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/003Rigid pipes with a rectangular cross-section
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M9/00Aerodynamic testing; Arrangements in or on wind tunnels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass
    • G01M99/005Testing of complete machines, e.g. washing-machines or mobile phones

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Insulation (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The invention relates to the technical field of airplane testing, in particular to a wide-temperature-range large-section straight-through type air valve pipeline for airplane testing, which comprises a vertical pipeline and a horizontal pipeline, wherein the horizontal pipeline can be connected with the vertical pipeline; the vertical pipeline comprises a vertical pipe body, an internal frame which is arranged inside the vertical pipe body and used for supporting the vertical pipe body, and an external frame which is arranged outside the vertical pipe body and used for fastening the vertical pipe body; the horizontal pipeline comprises a horizontal pipe body, a valve arranged in the horizontal pipe body and a mounting rack arranged on the horizontal pipe body and used for connecting the top of a building; the vertical pipeline ventilation device is reasonable in structural design, the internal frame and the external frame are utilized to support the inside and the outside of the vertical pipeline in a bidirectional mode, so that expansion caused by heat and contraction caused by cold can be effectively restrained under the condition that the pipeline is severely alternated with heat and cold, the straight-through structure can meet the experimental requirement of large air volume in actual use, and rapid ventilation can be achieved.

Description

Wide-temperature-range large-section straight-through type air valve pipeline for airplane test
Technical Field
The invention relates to the technical field of airplane testing, in particular to a wide-temperature-range large-section straight-through type air valve pipeline for airplane testing.
Background
As one of the most important inventions in the beginning of the 20 th century, airplanes are classified into two major categories, i.e., military machines and civil machines, according to their purposes. Although the aircraft manufacturing capability in China is still in a certain gap with the advanced level in the world, particularly, the key technology of aircraft manufacturing needs to be broken through, the risk is high, the fund shortage and the like are serious, and the further development and the quality improvement of the industry are restricted. But through the development of half a century, the development of aircraft manufacturing technology has been fully pulled by the continuous progress of basic research, application research and product development.
In the airplane test engineering, when a laboratory climate environment test is carried out in a comprehensive airplane laboratory, the temperature in the laboratory is controlled to rise and fall and is uniformly distributed by adopting a method of raising and lowering the temperature of circulating air through a heat exchanger, so an air supply pipeline needs to be arranged outside the laboratory, and the circulating air is sent into the laboratory after being subjected to temperature raising and lowering treatment. The test temperature of the climate environment of the ultra-large climate laboratory is changed from minus 50 ℃ to plus 70 ℃, the phenomenon of expansion with heat and contraction with cold of the air supply pipeline is serious due to the ultra-wide temperature range, and meanwhile, as the volume of the ultra-large climate laboratory is over one hundred thousand cubic meters, the required ventilation volume is huge, and how to ensure the rapid ventilation is a big difficulty.
Disclosure of Invention
Aiming at the problems, the invention provides a wide-temperature-range large-section straight-through type air valve pipeline for airplane test.
The technical scheme of the invention is as follows: a wide-temperature-range large-section straight-through type air valve pipeline for airplane testing comprises a vertical pipeline and a horizontal pipeline which can be connected with the vertical pipeline; the vertical pipeline comprises a vertical pipe body, an internal frame which is arranged inside the vertical pipe body and used for supporting the vertical pipe body, and an external frame which is arranged outside the vertical pipe body and used for fastening the vertical pipe body; the horizontal pipeline comprises a horizontal pipe body, a valve arranged in the horizontal pipe body and a mounting rack arranged on the horizontal pipe body and used for connecting the top of a building;
the vertical pipe body and the horizontal pipe body are both composed of heat preservation pipe plates;
the heat-insulating tube plate sequentially comprises an external protective layer, a first connecting layer, a heat-insulating layer, a second connecting layer and an internal ventilating layer from outside to inside;
the external protective layer is connected with the heat insulation layer through the first connecting layer; the built-in ventilation layer is connected with the heat insulation layer through the second connecting layer; the external protective layer and the internal ventilation layer are both made of metal plates;
the external protective layer can surround to form an external pipe body with a rectangular cross section; the built-in ventilation layer can surround to form a built-in pipe body with a rectangular cross section;
the built-in frame is arranged on the inner wall of the built-in pipe body of the vertical pipeline; the built-in frame comprises four built-in base rods which can be arranged at the inner corners of the built-in pipe body and a plurality of built-in rings which are uniformly arranged between the built-in base rods and used for supporting the built-in base rods;
the external frame is arranged on the outer wall of the external pipe body of the vertical pipeline; the external frame comprises four external base rods which can be arranged at the external corners of the external pipe body and a plurality of external rings which are sleeved between the external base rods and used for limiting the external base rods;
the mounting bracket comprises a bearing ring sleeve which can be sleeved on the outer wall of the external pipe body of the horizontal pipeline and an anchoring piece which is arranged on the bearing ring sleeve and can be suspended at the top of a building.
The protection frame is arranged at the joint of the external pipe body of the vertical pipeline and the external pipe body of the horizontal pipeline and is used for maintaining the vertical state of the horizontal pipeline and the vertical pipeline; the horizontal pipeline and the vertical pipeline can be always kept vertical by utilizing the protective frame, the straight-through performance of the structure is ensured, and air is further ensured to be led to the indoor from the outdoor without interruption.
Further, the protection frame adopts a first protection frame; the first protection frame comprises four first protection rods which can be arranged at the outer corners of the external pipe body of the horizontal pipeline and a plurality of protection rings which are sleeved between the first protection rods and used for limiting the first protection rods; the first guard bar is connectable with the outer base bar.
Further, the protection frame adopts a second protection frame; the second protection frame comprises two second protection rods which can be arranged on the lower surface of the external pipe body of the horizontal pipeline and a protection plate which is arranged between the two second protection rods and used for bearing the horizontal pipeline; the second guard bar is connectable with the outer base bar; the bearing ring sleeve can be sleeved at the lower end of the protection plate.
Furthermore, an air deflector is arranged at the joint of the built-in pipe body of the vertical pipeline and the built-in pipe body of the horizontal pipeline; the wind deflector can effectively improve the smoothness of wind flow at the connecting corner of the vertical pipeline and the horizontal pipeline.
Furthermore, the cross section area of the built-in pipe body of the vertical pipeline is 2500-3000 mm multiplied by 7000-9000 mm; the cross section area of the built-in pipe body of the horizontal pipeline is 1500-1700 mm multiplied by 5500-6500 mm; the large cross section is utilized to increase the ventilation speed and reduce the energy loss of wind in the pipeline.
Further, the thickness ratio of the external protective layer to the insulating layer to the internal ventilating layer is 0.2-0.5: 180-220: 1-3; the heat preservation tube plate structure can bear the intense alternation of cold and heat under a wide temperature range.
Furthermore, the heat-insulating layer is made of phenolic foam materials, glass wool materials or polyurethane materials; the phenolic foam material, the glass wool material and the polyurethane material have the characteristics of easiness in obtaining and low cost, and the overall construction cost can be effectively controlled in actual construction.
Further, a first placing groove capable of placing the built-in ring is formed in the built-in base rod; a second placing groove capable of placing the external ring is formed in the external base rod; the first placing groove and the second placing groove are respectively welded during actual construction, convenience can be brought for construction, and the distance between each built-in ring and each external ring on the external base rod can be effectively controlled by the aid of the first placing groove and the second placing groove.
Furthermore, the built-in base rod and the external base rod are both made of angle steel; the angle steel can be effectively in close contact with the inside and the outside of a pipeline with a rectangular cross section due to the triangular cross section.
Compared with the prior art, the invention has the beneficial effects that: the vertical pipeline bidirectional supporting device is reasonable in structural design, the internal frame and the external frame are utilized to carry out bidirectional supporting on the inside and the outside of the vertical pipeline, the overall strength and the rigidity of the pipeline can be effectively improved, and most importantly, the expansion caused by heat and the contraction caused by cold can be effectively inhibited under the condition of intense alternation of cold and heat; in addition, the straight-through structure is adopted, the experiment requirement of large air volume can be met in actual use, air is continuously input into the laboratory, and quick ventilation can be realized; in addition, the heat preservation tube plate structure can meet the requirement that the air pipeline can endure extreme temperature environment.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is an exploded view of the structure of example 1 of the present invention;
FIG. 3 is a cross-sectional view of an insulating tube sheet of the present invention;
FIG. 4 is a sectional view of embodiment 1 of the present invention;
FIG. 5 is a sectional view of embodiment 2 of the present invention;
FIG. 6 is a sectional view of embodiment 4 of the present invention;
the heat insulation structure comprises a heat insulation tube plate 1, a heat guide plate 10, an external protective layer 11, a first connecting layer 12, a heat insulation layer 13, a second connecting layer 14, an internal ventilation layer 15, an internal frame 2, an internal base rod 21, an internal ring 22, an external frame 3, an external base rod 31, an external ring 32, an installation frame 4, a bearing ring sleeve 41, an anchoring piece 42 and a protection frame 5.
Detailed Description
Example 1
The wide-temperature-range large-section straight-through type air valve pipeline for the airplane test comprises a vertical pipeline and a horizontal pipeline which can be connected with the vertical pipeline, wherein the vertical pipeline is arranged on the horizontal pipeline; the vertical pipe comprises a vertical pipe body, an internal frame 2 which is arranged inside the vertical pipe body and used for supporting the vertical pipe body, and an external frame 3 which is arranged outside the vertical pipe body and used for fastening the vertical pipe body; the horizontal pipeline comprises a horizontal pipe body, a valve arranged in the horizontal pipe body and a mounting rack 4 which is arranged on the horizontal pipe body and is used for connecting the top of a building;
the vertical pipe body and the horizontal pipe body are both composed of heat preservation pipe plates 1;
as shown in fig. 3, the heat-insulating tube plate 1 sequentially comprises an external protective layer 11, a first connecting layer 12, a heat-insulating layer 13, a second connecting layer 14 and an internal ventilation layer 15 from outside to inside;
the external protective layer 11 is connected with the heat-insulating layer 13 through the first connecting layer 12; the built-in ventilation layer 15 is connected with the heat insulation layer 13 through a second connecting layer 14; the external protective layer 11 and the internal ventilation layer 15 are both made of metal plates;
the external protective layer 11 can surround to form an external pipe body with a rectangular cross section; the built-in ventilation layer 15 can surround and form a built-in pipe body with a rectangular cross section;
as shown in fig. 2, the internal frame 2 is installed on the inner wall of the internal pipe body of the vertical pipe; the built-in frame 2 comprises four built-in base rods 21 which can be arranged at the inner corners of the built-in pipe body and a plurality of built-in rings 22 which are uniformly arranged between the built-in base rods 21 and used for supporting the built-in base rods 21;
as shown in fig. 2, the external frame 3 is installed on the outer wall of the external pipe body of the vertical pipe; the external frame 3 comprises four external base rods 31 which can be arranged at the external corners of the external pipe body and a plurality of external rings 32 which are sleeved between the external base rods 31 and used for limiting the external base rods 31;
as shown in fig. 1, the mounting bracket 4 includes a bearing ring 41 capable of being fitted over the outer wall of the external pipe of the horizontal pipe, and an anchor member 42 mounted on the bearing ring 41 and capable of being hung on the top of a building.
Wherein, the built-in ventilation layers 15 are all made of steel plates with the thickness of 2.0 mm; the first connecting layer 12 and the second connecting layer 14 are glue layers, specifically, a commercially available B1 grade rubber-plastic heat-insulating glue is adopted, the external protective layer 11 is a stainless steel plate with the thickness of 0.2mm, and the heat-insulating layer 13 is a polyurethane plate with the thickness of 200 mm;
the cross section area of the built-in pipe body of the vertical pipeline is 2800mm multiplied by 8000mm, and the length is 10 m; the cross section area of the built-in pipe body of the horizontal pipeline is 1620mm multiplied by 6100mm, and the length is 22 m;
the valve is a valve body of a commercial ventilation butterfly valve with the cross section area of 1620mm multiplied by 6100 mm.
The assembling method of the heat preservation air duct pipe in the embodiment specifically comprises the following steps:
s1, splicing two 2800mm multiplied by 10m steel plates and two 8000mm multiplied by 10m steel plates into a built-in pipe body structure of the vertical pipeline, and assembling the built-in frame 2 during splicing;
then cutting a reserved opening with the diameter of 1620mm multiplied by 6100mm on the built-in pipe body structure of the vertical pipeline;
splicing two 1620mm multiplied by 22m steel plates and two 6100mm multiplied by 22m steel plates into a built-in pipe body structure of the horizontal pipeline, and installing a valve in the built-in pipe body structure of the horizontal pipeline; then splicing one end of the built-in pipe body structure of the horizontal pipeline, which is provided with a valve, at the reserved opening;
wherein, the concrete splicing adopts a full-welding mode for fixed connection;
s2, connecting the heat-insulating layer 13 to the internal pipe body through the second connecting layer 14, and connecting the external protective layer 11 to the outer side of the heat-insulating layer 13 through the first connecting layer 12; welding the external protection layer 11 of the vertical pipeline with the external protection layer 11 of the horizontal pipeline;
and S3, assembling the external frame 3 and the mounting frame 4.
It should be noted that: the assembly of the built-in frame 2 is that the built-in base rod 21 and the built-in ring 22 are firstly welded or the built-in base rod 21 and the built-in pipe body structure of the vertical pipeline are firstly welded according to the selection of the actual construction site;
the external frame 3 is assembled by connecting the external base rod 31 with the outer wall of the external pipe body of the vertical pipeline and then sleeving the external ring 32 on the external base rod 31; the external base rod 31 and the external pipe body outer wall of the vertical pipeline can be clamped or welded;
in the case of S1 and S2, it is necessary to perform auxiliary assembly work using a scaffold or a crane, and the scaffold or the crane can be removed after the external frame 3 and the mounting frame 4 are assembled.
Example 2
The difference from example 1 is: as shown in fig. 5, the ventilation device further includes a protection frame 5 disposed at a connection between the external pipe of the vertical pipe and the external pipe of the horizontal pipe and used for maintaining the vertical pipe and the vertical pipe to be vertical;
the protection frame 5 adopts a first protection frame; the first protection frame comprises four first protection rods which can be arranged at the outer corners of the horizontal pipeline external pipe body and a plurality of protection rings which are sleeved between the first protection rods and used for limiting the first protection rods; the first guard bar can be connected with the outer base bar 31.
Wherein, the built-in ventilation layers 15 are all made of steel plates with the thickness of 3.0 mm; the first connecting layer 12 and the second connecting layer 14 are glue layers, specifically, a commercially available B1 grade rubber and plastic heat-insulating glue is adopted, the external protective layer 11 is a stainless steel plate with the thickness of 0.5mm, and the heat-insulating layer 13 is glass wool with the thickness of 180 mm;
the cross section area of the built-in pipe body of the vertical pipeline is 3000mm multiplied by 9000mm, and the length is 8 m; the cross section area of the built-in pipe body of the horizontal pipeline is 1700mm multiplied by 6500mm, and the length is 24 m; the valve is a valve body of a commercial ventilation butterfly valve with the cross section area of 1700mm multiplied by 6500 mm.
The heat preservation air duct pipe of this embodiment assembles protection frame 5 and external frame 3 simultaneously when the assembly.
Example 3
The difference from example 2 is: the protection frame 5 adopts a second protection frame; the second protection frame comprises two second protection rods which can be arranged on the lower surface of the external pipe body of the horizontal pipeline and a protection plate which is arranged between the two second protection rods and used for bearing the horizontal pipeline; the second guard bar can be connected with the outer base bar 31; the bearing ring sleeve 41 can be sleeved at the lower end of the protection plate.
Wherein, the built-in ventilation layers 15 are all made of steel plates with the thickness of 1.0 mm; the external protective layer 11 is a stainless steel plate with the thickness of 0.2mm, and the heat insulation layer 13 is a phenolic foam plate with the thickness of 220 mm;
the cross section area of the built-in pipe body of the vertical pipeline is 2500mm multiplied by 7000mm, and the length is 13 m; the cross section area of the built-in pipe body of the horizontal pipeline is 1500mm multiplied by 5500mm, and the length is 25 m; the valve is a valve body of a commercial ventilation butterfly valve with the cross section area of 1500mm multiplied by 5500 mm.
Example 4
The difference from example 2 is: as shown in fig. 6, an air deflector 10 is disposed at the connection between the built-in pipe body of the vertical duct and the built-in pipe body of the horizontal duct.
In the heat preservation air duct pipe of the embodiment, the air deflector 10 and the built-in pipe body structure of the vertical pipe are assembled simultaneously during assembly.
Example 5
The difference from example 4 is: the built-in base rod 21 is provided with a first placing groove for placing the built-in ring 22; the outer base rod 31 is provided with a second placing groove capable of placing the outer ring 32.
In this embodiment, when the internal frame 2 and the external frame 3 are assembled: the internal base shaft 21 and the internal ring 22 are welded by the first placement groove, and the external base shaft 31 and the external ring 32 are welded by the second placement groove.
Wherein, the built-in base rod 21 and the external base rod 31 both adopt angle steel.

Claims (10)

1. A wide-temperature-range large-section straight-through type air valve pipeline for airplane testing comprises a vertical pipeline and a horizontal pipeline which can be connected with the vertical pipeline; the vertical pipeline is characterized by comprising a vertical pipe body, an internal frame (2) which is arranged inside the vertical pipe body and used for supporting the vertical pipe body, and an external frame (3) which is arranged outside the vertical pipe body and used for fastening the vertical pipe body; the horizontal pipeline comprises a horizontal pipe body, a valve arranged inside the horizontal pipe body and a mounting rack (4) arranged on the horizontal pipe body and used for connecting the top of a building;
the vertical pipe body and the horizontal pipe body are both composed of heat preservation pipe plates (1);
the heat-preservation tube plate (1) sequentially comprises an external protection layer (11), a first connecting layer (12), a heat-preservation layer (13), a second connecting layer (14) and an internal ventilation layer (15) from outside to inside;
the external protective layer (11) is connected with the heat-insulating layer (13) through the first connecting layer (12); the built-in ventilation layer (15) is connected with the heat insulation layer (13) through the second connecting layer (14); the external protective layer (11) and the internal ventilation layer (15) are both made of metal plates;
the external protective layer (11) can surround to form an external pipe body with a rectangular cross section; the built-in ventilation layer (15) can surround and form a built-in pipe body with a rectangular cross section;
the built-in frame (2) is arranged on the inner wall of the built-in pipe body of the vertical pipeline; the built-in frame (2) comprises four built-in base rods (21) which can be arranged at the inner corners of the built-in pipe body and a plurality of built-in rings (22) which are uniformly arranged between the built-in base rods (21) and used for supporting the built-in base rods (21);
the external frame (3) is arranged on the outer wall of the external pipe body of the vertical pipeline; the external frame (3) comprises four external base rods (31) which can be arranged at the external corners of the external pipe body and a plurality of external rings (32) which are sleeved between the external base rods (31) and used for limiting the external base rods (31);
the mounting rack (4) comprises a bearing ring sleeve (41) capable of being sleeved on the outer wall of the external pipe body of the horizontal pipeline and an anchoring piece (42) which is arranged on the bearing ring sleeve (41) and capable of being hung on the top of a building.
2. The wide-temperature-range large-section straight-through type air valve pipeline for the aircraft test according to claim 1, further comprising a protective frame (5) which is arranged at the joint of the external pipe body of the vertical pipeline and the external pipe body of the horizontal pipeline and is used for maintaining the vertical direction of the horizontal pipeline and the vertical pipeline.
3. A wide temperature range large cross-section straight-through type air valve pipeline for airplane test according to claim 2, characterized in that the protection frame (5) is a first protection frame; the first protection frame comprises four first protection rods which can be arranged at the outer corners of the external pipe body of the horizontal pipeline and a plurality of protection rings which are sleeved between the first protection rods and used for limiting the first protection rods; the first guard bar is connectable with the outer base bar (31).
4. A wide temperature range large cross-section straight-through type air valve pipeline for airplane test according to claim 2, characterized in that the protection frame (5) adopts a second protection frame; the second protection frame comprises two second protection rods which can be arranged on the lower surface of the external pipe body of the horizontal pipeline and a protection plate which is arranged between the two second protection rods and used for bearing the horizontal pipeline; the second guard bar being connectable with the outer base bar (31); the bearing ring sleeve (41) can be sleeved at the lower end of the protection plate.
5. The wide-temperature-range large-section straight-through type air valve pipeline for the aircraft test according to claim 1, wherein a wind deflector (10) is arranged at the joint of the built-in pipe body of the vertical pipeline and the built-in pipe body of the horizontal pipeline.
6. The wide-temperature-range large-section straight-through type air valve pipeline for the aircraft test according to claim 1, wherein the cross-sectional area of the built-in pipe body of the vertical pipeline is 2500-3000 mm x 7000-9000 mm; the cross section area of the built-in pipe body of the horizontal pipeline is 1500-1700 mm multiplied by 5500-6500 mm.
7. The wide-temperature-range large-section straight-through type air valve pipeline for the aircraft test as claimed in claim 1, wherein the thickness ratio of the external protection layer (11), the insulation layer (13) and the internal ventilation layer (15) is 0.2-0.5: 180-220: 1 to 3.
8. The wide-temperature-range large-section straight-through type air valve pipeline for the aircraft test as claimed in claim 1, wherein the heat insulation layer (13) is made of phenolic foam material, glass wool material or polyurethane material.
9. The wide-temperature-range large-section straight-through type air valve pipeline for the aircraft test as claimed in claim 1, wherein a first placing groove capable of placing the built-in ring (22) is formed in the built-in base rod (21); the outer base rod (31) is provided with a second placing groove capable of placing the outer ring (32).
10. The wide-temperature-range large-section straight-through type air valve pipeline for the aircraft test as claimed in claim 9, wherein the built-in base rod (21) and the external base rod (31) are both made of angle steel.
CN202111473609.7A 2021-11-30 2021-11-30 Wide-temperature-range large-section straight-through type air valve pipeline for airplane test Active CN113864648B (en)

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CN202111473609.7A CN113864648B (en) 2021-11-30 2021-11-30 Wide-temperature-range large-section straight-through type air valve pipeline for airplane test

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1406601A (en) * 1964-06-09 1965-07-23 Produits Ind Cie Fse Improvements made to ducts for gas circulation
CN2487934Y (en) * 2001-04-14 2002-04-24 江都市绝热节能材料厂 Composite ventilating pipe
DE202009003928U1 (en) * 2009-03-23 2010-10-07 Aersystems Lufttechnik Gmbh Ventilation duct element and ventilation duct
WO2016156467A1 (en) * 2015-03-31 2016-10-06 Lr Marine A/S Insulated hollow structure for high temperature use
CN112113043A (en) * 2020-09-15 2020-12-22 昆山市城乡建设有限公司 Fireproof structure for smoke prevention and exhaust air pipe and installation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1406601A (en) * 1964-06-09 1965-07-23 Produits Ind Cie Fse Improvements made to ducts for gas circulation
CN2487934Y (en) * 2001-04-14 2002-04-24 江都市绝热节能材料厂 Composite ventilating pipe
DE202009003928U1 (en) * 2009-03-23 2010-10-07 Aersystems Lufttechnik Gmbh Ventilation duct element and ventilation duct
WO2016156467A1 (en) * 2015-03-31 2016-10-06 Lr Marine A/S Insulated hollow structure for high temperature use
CN112113043A (en) * 2020-09-15 2020-12-22 昆山市城乡建设有限公司 Fireproof structure for smoke prevention and exhaust air pipe and installation method thereof

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