Cryogenic medium flexible heat insulation pipeline

Abstract

The utility model discloses a cryogenic medium flexible heat insulation pipeline which comprises a pipeline assembly, and the pipeline assembly comprises an outer pipe. The limiting assembly comprises a supporting ring, a fixed block, a rotating shaft, a movable column, a telescopic spring and a supporting column; the supporting rings sleeve the two ends of the outer pipe, the fixing blocks are fixedly connected to the outer sides of the supporting rings, the rotating shafts are fixedly connected to the interiors of the fixing blocks, the movable columns and the supporting columns sleeve the outer surfaces of the rotating shafts respectively, and the two ends of the telescopic springs are fixedly connected to the outer ends of the movable columns and the interiors of the supporting columns respectively. The utility model solves the problems that when an existing flexible pipeline is used for transporting cryogenic media, although the flexible pipeline can be obviously deformed under the action of an external load, the failure of the flexible pipeline is usually caused by deformation rather than the damage of the pipe wall, and when the bending angle of the flexible pipeline is too large, the flexible pipeline is damaged, and the service life of the flexible pipeline is prolonged. And the problem is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cryogenic medium transportation, in particular to a cryogenic medium flexible thermal insulation pipeline. Background Art

[0002] Cryogenic medium generally refers to medium in the temperature range of 233K-77K. When transporting it, it is usually transported by flexible insulated pipes. Flexible insulated pipes are generally a combination of a flexible outer pipe and a flexible inner pipe, and the space between the flexible outer pipe and the flexible inner pipe is evacuated for insulation.

[0003] However, it still has the following disadvantages in actual use:

[0004] When existing flexible pipes are used to transport cryogenic media, although the flexible pipes can deform significantly under external loads, the failure of the flexible pipes is usually caused by deformation rather than damage to the pipe wall. When the bending angle of the flexible pipe is too large, the flexible pipe will be damaged and need to be replaced. Utility Model Content

[0005] The purpose of the utility model is to provide a flexible insulated pipeline for cryogenic media, so as to solve the problem in the above-mentioned background technology that when the existing flexible pipeline is transporting cryogenic media, although the flexible pipeline can be deformed significantly under the action of external load, the failure of the flexible pipeline is usually caused by deformation rather than damage to the pipe wall. When the bending angle of the flexible pipeline is too large, the flexible pipeline will be damaged and needs to be replaced.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a cryogenic medium flexible heat-insulating pipeline, comprising:

[0008] A pipe assembly, the pipe assembly comprising an outer pipe;

[0009] A limit assembly, the limit assembly comprising a support ring, a fixed block, a rotating shaft, a movable column, a telescopic spring and a support column;

[0010] The support ring is sleeved on both ends of the outer tube, the fixed block is fixedly connected to the outer side of the support ring, the rotating shaft is fixedly connected to the inner side of the fixed block, the movable column and the support column are respectively sleeved on the outer surface of the rotating shaft, and the two ends of the telescopic spring are respectively fixedly connected to the outer end of the movable column and the inner side of the support column.

[0011] Further, the pipeline assembly also includes an inner tube;

[0012] The inner tube is located at the central position inside the outer tube, and the outer tube and the inner tube are made of flexible materials.

[0013] Furthermore, the fixed block is a U-shaped structure, and the movable column and the supporting column are located inside the fixed block.

[0014] Furthermore, the front end of the movable column is located inside the support column, and the movable column and the support column are located outside the outer tube.

[0015] Furthermore, it also includes a heat insulation component, which includes a heat preservation board, a heat insulation board, an air inlet pipe and an air outlet pipe;

[0016] The insulation board is fixedly connected to the inner surface of the outer tube, the heat insulation board is fixedly connected to the outer surface of the outer tube, the air inlet pipe is fixedly connected to one side of one end of the insulation board, and the air outlet pipe is fixedly connected to the other side of the other end of the insulation board.

[0017] Furthermore, the air inlet pipe and the air outlet pipe respectively penetrate the outer pipe and extend inward, and the heat preservation board and the heat insulation board are cylindrical structures.

[0018] Compared with the prior art, the advantages of the present invention are:

[0019] 1. The utility model provides a limit assembly. When the pipe assembly is bent, the support ring at one end of the outer pipe rotates with the outer pipe. The support ring drives the movable column to rotate through the fixed block and the rotating shaft. The movable column moves toward the inside of the support column and drives the telescopic spring to be compressed. As the bending angle increases, the elastic force generated by the compression of the telescopic spring becomes larger and larger, thereby limiting the bending angle and avoiding damage to the pipe assembly caused by excessive bending.

[0020] 2. Based on beneficial effect 1, by setting up a heat-insulating component, the gas between the outer tube and the inner tube is discharged to the outside through the outlet pipe, and the cold air is passed between the outer tube and the inner tube through the inlet pipe. Since the inner and outer sides of the outer tube are respectively fixed with insulation plates and heat insulation plates, the outside temperature will not be transmitted to between the outer tube and the inner tube. By keeping the temperature of the cold air warm, the deep cold medium inside the inner tube will not absorb heat from the outside.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is the front view of the utility model;

[0024] Figure 2 This is a structural diagram of the pipeline assembly of the utility model;

[0025] Figure 3 This is a structural diagram of the limit assembly of the utility model;

[0026] Figure 4 This is a structural diagram of the thermal insulation component of the utility model.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 11. Outer tube; 12. Inner tube; 21. Support ring; 22. Fixed block; 23. Rotating shaft; 24. Movable column; 25. Telescopic spring; 26. Support column; 31. Insulation board; 32. Heat insulation board; 33. Inlet pipe; 34. Outlet pipe. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0031] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0032] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] See also Figure 1-3 As shown, this embodiment is a cryogenic medium flexible insulated pipeline, comprising:

[0034] A pipeline assembly, the pipeline assembly includes an outer pipe 11;

[0035] The limiting assembly includes a support ring 21, a fixed block 22, a rotating shaft 23, a movable column 24, a telescopic spring 25 and a support column 26;

[0036] The support ring 21 is sleeved at both ends of the outer tube 11, the fixed block 22 is fixedly connected to the outer side of the support ring 21, the rotating shaft 23 is fixedly connected to the inner side of the fixed block 22, the movable column 24 and the support column 26 are sleeved at the outer surface of the rotating shaft 23 respectively, and the two ends of the telescopic spring 25 are fixedly connected to the outer end of the movable column 24 and the inner side of the support column 26 respectively;

[0037] The support ring 21 is used to support the fixed block 22, the fixed block 22 is used to support the rotating shaft 23, the rotating shaft 23 is used to drive the movable column 24 and the supporting column 26 to rotate, and the telescopic spring 25 is used to apply an outward elastic force to the movable column 24;

[0038] The pipeline assembly also includes an inner tube 12;

[0039] The inner tube 12 is located at the center of the outer tube 11, and the outer tube 11 and the inner tube 12 are made of flexible materials;

[0040] The outer tube 11 is used to protect and insulate the inner tube 12, and the inner tube 12 is used to transport the cryogenic medium;

[0041] The fixed block 22 is a U-shaped structure, and the movable column 24 and the support column 26 are located inside the fixed block 22;

[0042] When the fixed block 22 moves, the movable column 24 and the supporting column 26 are driven to move through the rotating shaft 23;

[0043] The front end of the movable column 24 is located inside the support column 26, and the movable column 24 and the support column 26 are located outside the outer tube 11;

[0044] The movable column 24 can move inside the support column 26, and the movement of the movable column 24 will drive the telescopic spring 25 to deform;

[0045] Working principle: When the outer tube 11 and the inner tube 12 are bent, the support ring 21 at one end of the outer tube 11 rotates driven by the outer tube 11, and the rotation of the support ring 21 drives the fixed block 22 to rotate, and the rotation of the fixed block 22 drives the rotating shaft 23 to rotate, and the rotating shaft 23 drives the movable column 24 and the support column 26 to rotate respectively. At this time, the movable column 24 rotates toward the inside of the support column 26 and drives the telescopic spring 25 to be compressed. The telescopic spring 25 is compressed to generate elastic force. As the bending angle of the outer tube 11 increases, the moving distance of the movable column 24 increases, and the elastic force of the telescopic spring 25 increases, thereby limiting the bending angle of the outer tube 11.

[0046] See also Figure 4 As shown, this embodiment is based on the above embodiment and also includes:

[0047] A heat insulation component, the heat insulation component includes a heat preservation board 31, a heat insulation board 32, an air inlet pipe 33 and an air outlet pipe 34;

[0048] The heat preservation plate 31 is fixedly connected to the inner surface of the outer tube 11, the heat insulation plate 32 is fixedly connected to the outer surface of the outer tube 11, the air inlet pipe 33 is fixedly connected to one side of one end of the heat preservation plate 31, and the air outlet pipe 34 is fixedly connected to the other side of the other end of the heat preservation plate 31;

[0049] The heat preservation board 31 is used to keep the air temperature inside the outer tube 11 warm, the heat insulation board 32 is used to isolate the heat outside the outer tube 11, the air inlet pipe 33 is used to discharge the cold air into the inner part of the outer tube 11, and the air outlet pipe 34 is used to discharge the air inside the outer tube 11 to the outside;

[0050] The air inlet pipe 33 and the air outlet pipe 34 respectively penetrate the outer pipe 11 and extend inward, and the heat insulation board 31 and the heat insulation board 32 are cylindrical structures;

[0051] The heat preservation board 31 and the heat insulation board 32 are respectively bonded to the outer surface of the outer tube 11. When the outer tube 11 is bent, the heat preservation board 31 and the heat insulation board 32 are also bent.

[0052] Working principle: When the cryogenic medium needs to be insulated, the air inside the outer tube 11 is discharged to the outside through the outlet pipe 34, and the cold air is discharged into the outer tube 11 from the inlet pipe 33. Since the insulation board 32 isolates the external heat from the outside of the outer tube 11, and the cold air is insulated by the insulation board 31, the inner tube 12 cannot absorb heat from the outside, that is, the cryogenic medium cannot absorb heat, thereby completing the insulation of the cryogenic medium.

[0053] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cryogenic medium flexible insulated pipeline, characterized in that: include: A pipeline assembly, the pipeline assembly comprising an outer tube (11); A limiting assembly, the limiting assembly comprising a support ring (21), a fixed block (22), a rotating shaft (23), a movable column (24), a telescopic spring (25) and a support column (26); The support ring (21) is sleeved on both ends of the outer tube (11); the fixed block (22) is fixedly connected to the outer side of the support ring (21); the rotating shaft (23) is fixedly connected to the inner side of the fixed block (22); the movable column (24) and the support column (26) are respectively sleeved on the outer surface of the rotating shaft (23); and the two ends of the telescopic spring (25) are respectively fixedly connected to the outer end of the movable column (24) and the inner side of the support column (26).

2. A cryogenic medium flexible insulated pipeline according to claim 1, characterized in that: The pipeline assembly also includes an inner tube (12); The inner tube (12) is located at a central position inside the outer tube (11), and the outer tube (11) and the inner tube (12) are made of flexible materials.

3. The cryogenic medium flexible insulated pipeline according to claim 1, characterized in that: The fixed block (22) is a U-shaped structure, and the movable column (24) and the supporting column (26) are located inside the fixed block (22).

4. The cryogenic medium flexible insulated pipeline according to claim 1, characterized in that: The front end of the movable column (24) is located inside the support column (26), and the movable column (24) and the support column (26) are located outside the outer tube (11).

5. The cryogenic medium flexible insulated pipeline according to claim 1, characterized in that: It also includes a heat insulation component, which includes a heat preservation board (31), a heat insulation board (32), an air inlet pipe (33) and an air outlet pipe (34); The heat preservation plate (31) is fixedly connected to the inner surface of the outer tube (11), the heat insulation plate (32) is fixedly connected to the outer surface of the outer tube (11), the air inlet pipe (33) is fixedly connected to one side of one end of the heat preservation plate (31), and the air outlet pipe (34) is fixedly connected to the other side of the other end of the heat preservation plate (31).

6. A cryogenic medium flexible insulated pipeline according to claim 5, characterized in that: The air inlet pipe (33) and the air outlet pipe (34) respectively penetrate the outer pipe (11) and extend inwards, and the heat preservation plate (31) and the heat insulation plate (32) are cylindrical structures.

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