Non-excavation repairing structure of underground heat supply pipe network

By adjusting the distance between connectors and setting up isolation and protection structures, the problems of adapting to different spacings and preventing corrosion in trenchless repair structures for underground heating pipe networks were solved, achieving efficient and safe pipe repair results.

CN223909117UActive Publication Date: 2026-02-13王美娟
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Patent Information

Application Number
CN202520795586.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-02-13
Estimated Expiration
2035-04-25

AI Technical Summary

Technical Problem

Existing trenchless repair structures for underground heating pipe networks are difficult to adapt to pipe repairs with different spacings, and the repair locations are susceptible to corrosion from external impurities, affecting service life and safety.

Method used

The system employs a combination structure of a first connector, a second connector, and a first screw. The distance between the connectors is adjusted according to the pipe spacing, and isolation and protection are provided through the upper shell, lower shell, and insert plate to enhance connection strength and sealing.

Benefits of technology

It enables repairs to adapt to various pipe spacings, reduces operational difficulty, improves connection strength and sealing, prevents corrosion, extends service life, and ensures safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a non-excavation repairing structure of an underground heat supply pipe network. The non-excavation repairing structure comprises a first pipeline, a second pipeline, a first connecting piece, a second connecting piece, a first screw rod, a first sealing gasket and a second sealing gasket, a second pipeline is arranged on one side of the first pipeline, a first connecting piece of a cylindrical structure is connected to one side of the first pipeline in a sleeving mode, a second connecting piece of a cylindrical structure is connected to the inner wall of the first connecting piece in a threaded mode, and one side of the second connecting piece is connected to the outer wall of the second pipeline in a sleeving mode. The sides, away from each other, of the first connecting piece and the second connecting piece are fixedly connected with protruding bases, the multiple protruding bases are of a trapezoidal structure, and the inner walls of the multiple protruding bases are in threaded connection with first threaded rods. The underground heat supply pipe network trenchless repair structure is improved, so that the underground heat supply pipe network trenchless repair structure has the advantages of meeting various repair lengths and carrying out isolation protection on repair positions, and the problems and the defects in the existing device are effectively solved and overcome.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of urban facilities more specifically, especially relates to a kind of underground heat pipe network trenchless repair structure. BACKGROUND

[0002] Urban facilities refer to the various infrastructure and public service facilities constructed to ensure normal operation of city, meet the needs of residents' life and promote social development, they constitute the basis of city function, directly affect the quality of life of residents, economic vitality and city sustainable development, heat pipe network (heat supply pipe network) is an important part of urban infrastructure, belongs to the energy supply system in municipal public facilities, and city road, water supply and drainage, electric power, gas, communication and so on jointly constitute the basic support network of city operation.

[0003] However, for the existing underground heat pipe network trenchless repair structure, such as the length of repair structure can be adjusted according to the interval of the pipeline to be repaired, the application range can be greatly improved, a adjusting assembly or auxiliary structure can be provided to realize the repair work of different interval pipelines, and the repair site can also be isolated and protected.

[0004] Therefore, the existing problems are studied and improved, and the underground heat pipe network trenchless repair structure is provided, which aims to solve the problems and improve the practical value through the technology. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of underground heat pipe network trenchless repair structure to solve the problems and deficiencies of the pipeline repair of different interval being inconvenient in the above background.

[0006] To achieve the above object, the utility model provides a kind of underground heat pipe network trenchless repair structure, by following specific technical means is achieved:

[0007] The utility model provides a kind of underground heat pipe network trenchless repair structure, including: first pipeline, second pipeline, first connecting piece, second connecting piece, first screw rod, first gasket, second gasket, lower shell, upper shell, third gasket, reinforcing rib, boss, plugboard, friction pad, second screw rod;The side of the first pipeline is provided with second pipeline, the side of the first pipeline is sleeved with the first connecting piece of cylindrical structure, the inner wall of the first connecting piece is threadedly connected with the second connecting piece of cylindrical structure, the side of the second connecting piece is sleeved on the outer wall of second pipeline, the side of the first connecting piece and second connecting piece away from each other is fixedly connected with boss, and multiple bosses are trapezoidal structure, the inner wall of multiple bosses is threadedly connected with first screw rod, and the outer wall of multiple first screw rods is respectively threadedly connected with the inner wall of first connecting piece and second connecting piece, and the outer wall of multiple first screw rods is respectively abutted with the outer wall of first pipeline and second pipeline;The connecting place of the first connecting piece and second connecting piece with first pipeline and second pipeline is provided with the first gasket of circular ring structure, and the inner wall of the second connecting piece is fixedly connected with the second gasket that is attached to the inner wall of first connecting piece.

[0008] As further optimization of the technical solution, the utility model discloses an underground heat pipe network trenchless repair structure, and the outer wall of the first pipeline and the second pipeline is abutted with the upper shell, the bottom of the upper shell is abutted with the lower shell that is abutted with the outer wall of the first pipeline and the second pipeline, the connecting place of the upper shell and the lower shell with the first pipeline and the second pipeline is fixedly connected with the third gasket, and the inner wall of the upper shell and the lower shell is fixedly connected with the reinforcing rib.

[0009] As further optimization of the technical solution, the utility model discloses an underground heat pipe network trenchless repair structure, and the inner wall of the two sides of the upper shell and the lower shell is inserted with two plugboards, multiple plugboards are curved structure, the inner wall of multiple plugboards is threadedly connected with the second screw rod, and the outer wall of multiple second screw rods is respectively threadedly connected with the inner wall of the upper shell and the lower shell.

[0010] As further optimization of the technical solution, the utility model discloses an underground heat pipe network trenchless repair structure, and the outer wall of multiple plugboards is fixedly connected with the friction pad, and the outer wall of multiple friction pads is respectively interference fit with the inner wall of the upper shell and the lower shell.

[0011] Due to the use of the above technical solution, the utility model has the following advantages compared with the prior art:

[0012] 1. The utility model discloses a first connecting piece, second connecting piece and the first screw rod can be set up according to the interval of two repair pipelines, and the distance of first connecting piece and second connecting piece can be adjusted, thereby can satisfy various different operating conditions, and also can greatly reduce the operating difficulty of staff, improve the overall operating efficiency, and also can adjust the length according to the repair condition, so that the underground heat pipe network trenchless repair structure and pipeline are in full contact, thereby improve the connection strength.

[0013] 2. The utility model discloses the setting of upper casing, lower casing, plugboard and second screw rod can isolate and protect the repair position, thereby can avoid that outside impurity contacts repair position for a long time, causes the repair position to corrode and be damaged, thereby can guarantee the service life of repair position, and also guarantee the use safety.

[0014] 3. The utility model discloses the improvement of underground heat pipe network trenchless repair structure has the advantages that can satisfy various different repair lengths and isolate and protect repair position, thereby effectively solve the problems and the insufficient of prior art device. DRAWINGS

[0015] The drawings constituting a part of this application are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation to the utility model. In the drawings:

[0016] Fig. 1 It is the structure schematic diagram of the utility model;

[0017] Fig. 2 It is the sectional view structure schematic diagram of the utility model;

[0018] Fig. 3 It is the structure schematic diagram of upper casing, first pipeline and first connecting piece of the utility model;

[0019] Fig. 4 It is the structure schematic diagram of first connecting piece, second connecting piece and upper casing of the utility model.

[0020] In the drawing: 1, first pipeline;2, second pipeline;3, first connecting piece;4, second connecting piece;5, first screw rod;6, first sealing gasket;7, second sealing gasket;8, lower casing;9, upper casing;10, third sealing gasket;11, reinforcing rib;12, boss;13, plugboard;14, friction pad;15, second screw rod. DETAILED DESCRIPTION

[0021] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0022] It should be noted that in the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0023] In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] Meanwhile, in the description of the utility model, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please see Figs. 1 to 4 The utility model provides a kind of concrete technical implementation scheme of underground heat pipe network trenchless repair structure:

[0026] The utility model provides a kind of underground heat pipe network trenchless repair structure, comprising: first pipeline 1, second pipeline 2, first connecting piece 3, second connecting piece 4, first screw 5, first gasket 6, second gasket 7, lower shell 8, upper shell 9, third gasket 10, reinforcing rib 11, boss 12, plugboard 13, friction pad 14, second screw 15;One side of first pipeline 1 is provided with second pipeline 2, one side of first pipeline 1 is sleeved with the first connecting piece 3 of cylindrical structure, the inner wall of first connecting piece 3 is threadedly connected with the second connecting piece 4 of cylindrical structure, one side of second connecting piece 4 is sleeved on the outer wall of second pipeline 2, the side of first connecting piece 3 and second connecting piece 4 away from each other is fixedly connected with boss 12, and multiple bosses 12 are trapezoidal structure, the inner wall of multiple bosses 12 is threadedly connected with first screw 5, and the outer wall of multiple first screws 5 is respectively threadedly connected with the inner wall of first connecting piece 3 and second connecting piece 4, and the outer wall of multiple first screws 5 is respectively abutted with the outer wall of first pipeline 1 and second pipeline 2;First screw 5 can abut and fix first pipeline 1 and second pipeline 2 with first connecting piece 3 and second connecting piece 4, to guarantee stability when using, by changing the position between first connecting piece 3 and second connecting piece 4, it can be suitable for the connection condition of first pipeline 1 and second pipeline 2 with different intervals.

[0027] The connecting place of first connecting piece 3 and second connecting piece 4 with first pipeline 1 and second pipeline 2 is provided with the first gasket 6 of circular ring structure, and the inner wall of second connecting piece 4 is fixedly connected with the second gasket 7 that is attached to the inner wall of first connecting piece 3;First gasket 6 and second gasket 7 can improve the sealing performance when using, and the specific material is not limited, and it is subject to the technical features of the case.

[0028] The outer wall of first pipeline 1 and second pipeline 2 is abutted with the upper shell 9 above, the bottom of upper shell 9 is abutted with the lower shell 8 that is abutted with the outer wall of first pipeline 1 and second pipeline 2 below, the connecting place of upper shell 9 and lower shell 8 with first pipeline 1 and second pipeline 2 is fixedly connected with third gasket 10, and the inner wall of upper shell 9 and lower shell 8 is fixedly connected with reinforcing rib 11;Reinforcing rib 11 can improve the use intensity of upper shell 9 and lower shell 8, third gasket 10 can improve the connection sealing property of upper shell 9, lower shell 8, first pipeline 1 and second pipeline 2, to avoid the phenomenon of leakage, and the specific material is not limited, and it is subject to the technical features of the case, and upper shell 9 and lower shell 8 are abutted and positioned with first pipeline 1 and second pipeline 2 by bolt, to avoid the moving phenomenon of upper shell 9 and lower shell 8.

[0029] The two side inner walls of the upper shell 9 and the lower shell 8 are inserted with two insertion plates 13, the plurality of insertion plates 13 are curved structures, the inner walls of the plurality of insertion plates 13 are threadedly connected with second screws 15, and the outer walls of the plurality of second screws 15 are respectively threadedly connected with the inner walls of the upper shell 9 and the lower shell 8; the insertion plates 13 can be inserted and limited for the upper shell 9 and the lower shell 8, and the second screws 15 are used for auxiliary fixing, so as to ensure the stability during use.

[0030] The outer walls of the plurality of insertion plates 13 are fixedly connected with friction pads 14, and the outer walls of the plurality of friction pads 14 are respectively in interference fit with the inner walls of the upper shell 9 and the lower shell 8; the friction pads 14 can improve the friction when the insertion plates 13 are connected with the upper shell 9 and the lower shell 8, thereby improving the use stability, and the specific material is not limited, and is subject to the technical features of the case.

[0031] Specifically, it can be understood that the upper shell 9, the lower shell 8, the first pipeline 1 and the second pipeline 2 can be fixed and limited by bolts, which is only one implementation way of fixing and limiting the upper shell 9 and the lower shell 8 and the first pipeline 1 and the second pipeline 2, and is not all embodiments, and other structures can also be used in the specific implementation process, and the specific structure can be reasonably designed according to the actual situation.

[0032] Specific implementation steps:

[0033] In use, the worker sleeves the second connecting piece 4 on the outer wall of the second pipeline 2, then twists the first connecting piece 3, and fixes the second connecting piece 4 with the hand, at this time the first connecting piece 3 can move along the outer wall of the first pipeline 1, when the inner wall of the first connecting piece 3 is tightly contacted with the outer wall of the first pipeline 1, the first connecting piece 3, the second connecting piece 4, the first pipeline 1 and the second pipeline 2 can be fixed and limited by the first screw 5, then the upper shell 9 and the lower shell 8 are sleeved on the outer sides of the first connecting piece 3 and the second connecting piece 4, then the upper shell 9 and the lower shell 8 are inserted and limited by the insertion plates 13, then the upper shell 9 and the lower shell 8 are fixed and limited by the second screws 15, then the upper shell 9, the lower shell 8, the first pipeline 1 and the second pipeline 2 are fixed and limited by the bolts.

[0034] In summary: the underground heat pipe network trenchless repair structure, through the first connecting piece, the second connecting piece and the first screw rod, can adjust the distance of the first connecting piece and the second connecting piece according to the interval of the two repair pipes, and then can satisfy various different operation conditions, and also can greatly reduce the operation difficulty of the workers, and also improves the overall operation efficiency, and also can adjust the length according to the repair condition, so that the underground heat pipe network trenchless repair structure is fully contacted with the pipe, and then the connection strength is improved, the upper shell, the lower shell, the plug and the second screw rod can isolate and protect the repair position, and then can avoid that the outside impurities contact the repair position for a long time, and cause the repair position to be corroded and damaged, and then can guarantee the service life of the repair position, and also guarantees the use safety, the underground heat pipe network trenchless repair structure is improved, has the advantages that different repair lengths and isolation protection of the repair position can be satisfied, thereby effectively solving the problems and defects in the prior art.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A trenchless rehabilitation structure for an underground thermal conduit, comprising: A first pipeline (1), a second pipeline (2), a first connecting piece (3), a second connecting piece (4), a first screw rod (5), a first sealing pad (6), a second sealing pad (7), a lower shell (8), an upper shell (9), a third sealing pad (10), a reinforcing rib (11), a boss (12), a plug plate (13), a friction pad (14), a second screw rod (15); characterized by: the first pipeline (1) is provided with a second pipeline (2) on one side, the first pipeline (1) is sleeved with a first connecting piece (3) in a cylindrical structure on one side, the inner wall of the first connecting piece (3) is threadedly connected with a second connecting piece (4) in a cylindrical structure, the second connecting piece (4) is sleeved on the outer wall of the second pipeline (2) on one side, the first connecting piece (3) and the second connecting piece (4) are fixedly connected with bosses (12) on the sides away from each other, and a plurality of bosses (12) are in a trapezoidal structure, the inner walls of a plurality of bosses (12) are threadedly connected with first screw rods (5), and the outer walls of a plurality of first screw rods (5) are respectively threadedly connected with the inner walls of the first connecting piece (3) and the second connecting piece (4), and the ends of a plurality of first screw rods (5) are respectively abutted against the outer walls of the first pipeline (1) and the second pipeline (2).

2. A trenchless rehabilitation structure for an underground thermal conduit according to claim 1, characterized in that: The connecting parts of the first connecting piece (3) and the second connecting piece (4) with the first pipeline (1) and the second pipeline (2) are provided with first sealing pads (6) in a circular ring structure, and the inner wall of the second connecting piece (4) is fixedly connected with a second sealing pad (7) fitted with the inner wall of the first connecting piece (3).

3. A trenchless rehabilitation structure for an underground thermal conduit according to claim 1, wherein: The outer walls of the first pipeline (1) and the second pipeline (2) are abutted against an upper shell (9) above, the bottom of the upper shell (9) is abutted against a lower shell (8) abutted against the outer walls of the first pipeline (1) and the second pipeline (2) below, the connecting parts of the upper shell (9) and the lower shell (8) with the first pipeline (1) and the second pipeline (2) are fixedly connected with third sealing pads (10), and the inner walls of the upper shell (9) and the lower shell (8) are fixedly connected with reinforcing ribs (11).

4. The underground thermal conduit non-excavation repair structure of claim 1, wherein: The inner walls of the upper shell (9) and the lower shell (8) on both sides are inserted with two plug plates (13), a plurality of plug plates (13) are in a curved structure, the inner walls of a plurality of plug plates (13) are threadedly connected with second screw rods (15), and the outer walls of a plurality of second screw rods (15) are respectively threadedly connected with the inner walls of the upper shell (9) and the lower shell (8).

5. The underground thermal conduit non-excavation repair structure of claim 1, wherein: The outer walls of a plurality of plug plates (13) are fixedly connected with friction pads (14), and the outer walls of a plurality of friction pads (14) are respectively in interference fit with the inner walls of the upper shell (9) and the lower shell (8).