MPP cable protection pipe with heat dissipation structure

Abstract

The utility model discloses an MPP cable protection tube with a heat dissipation structure, which relates to the technical field of cable protection tubes, and comprises a main tube body and a connecting tube, the main tube body is divided into a plurality of partitions in an array, mutually symmetrical sliding cavities are fixedly arranged at the partitions, the sliding cavities are annular cavities protruding out of the main tube body, inclined support walls are arranged at the front ends of the sliding cavities, and the inclined support walls are connected with the connecting tube. The inclined supporting wall inclines inwards and is provided with air filling openings in a circumferential array, a supporting ring is fixedly arranged on the side, facing the connecting pipe, of the inclined supporting wall, supporting sliding blocks in a circumferential array are fixedly arranged on the inner wall of the supporting ring, the supporting sliding blocks are slidably connected with the connecting pipe, a flaring pipe is fixedly arranged on the side, located in the sliding cavity, of the connecting pipe, and the flaring pipe expands outwards from the connecting pipe. A gap is formed between the opening wall of the flared pipe and the inner wall of the sliding cavity. The pipeline is simple in structure, the heat dissipation mechanism is arranged, the ventilation mechanism can be opened for heat dissipation when the pipeline is externally arranged, the waterproof performance is good, the ventilation mechanism can be closed conveniently when the pipeline is buried, practicability is high, and the pipeline is suitable for popularization.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable protection tubes, and in particular relates to an MPP cable protection tube with a heat dissipation structure. Background Art

[0002] MPP cable protection conduit is widely used in power systems. As a protective structure for cables, it is a crucial component during cable laying operations. It comes in both trenchless and non-trench types. MPP non-trench conduit is also known as MPP jacking conduit or drag conduit. MPP conduit is primarily made of modified polypropylene and is resistant to high temperatures and external pressures.

[0003] When laying an MPP cable protection pipe, multiple cables are laid inside. The cables are prone to heat up when energized. The cables piled up in the closed pipe are not easy to dissipate heat. The openings on the protection pipe are prone to water ingress, and debris is easily introduced in an excavation-type working environment. Utility Model Content

[0004] The purpose of the utility model is to provide an MPP cable protection tube with a heat dissipation structure. The tube has a simple structure and is provided with a heat dissipation mechanism. When the pipeline is installed outside, the ventilation mechanism can be opened for heat dissipation. The tube has good waterproof performance and is convenient to close the ventilation mechanism when the pipeline is buried. The tube is highly practical and suitable for promotion.

[0005] The utility model provides the following technical solution: an MPP cable protection tube with a heat dissipation structure, comprising a main body and a connecting tube, wherein the main body is divided into a plurality of partitions in an array, and mutually symmetrical sliding cavities are fixedly provided at the partitions, and the sliding cavity is an annular cavity protruding from the main body;

[0006] The front end of the sliding cavity is provided with an inclined support wall, which is inclined inward and has a circumferential array of air inlets. A support ring is fixedly provided on the side of the inclined support wall facing the connecting pipe, and a circumferential array of support sliders is fixedly provided on the inner wall of the support ring. The support sliders are slidably connected to the connecting pipe.

[0007] A flared tube is fixedly provided on one side of the connecting tube located in the sliding cavity. The flared tube expands outward from the connecting tube, and a gap is formed between the opening wall of the flared tube and the inner wall of the sliding cavity.

[0008] Preferably, a docking ring is provided at the top end of the sliding cavity outside the oblique supporting wall, and the docking rings on both sides of the same connecting pipe are symmetrical to each other, and the opposite side surfaces are flat.

[0009] Preferably, the opening of the air filling port extends to the inner wall of the sliding cavity.

[0010] Preferably, the length of the sliding cavity is such that when the expanded tube is pressed against the inner wall of the sliding cavity away from the connecting tube, the two docking rings fit together, and a clamping ring and a clamping groove are respectively provided on opposite sides of the two docking rings.

[0011] The beneficial effects of the utility model are as follows: the structure is simple, a heat dissipation mechanism is provided, the ventilation mechanism can be opened for heat dissipation when the pipeline is installed externally, and the utility model has good waterproof performance. When the pipeline is buried, the ventilation mechanism can be easily closed, and the utility model has strong practicality. The specific effects are as follows:

[0012] (1) The utility model is provided with a sliding cavity. When the pipeline is laid outside, the sliding cavity is pulled open from the middle of the connecting pipe to both sides by pulling the main body. When the expansion pipe contacts the support slider of the sliding cavity and presses against the inner side of the support slider, a channel is formed in the sliding cavity and the main body. The airflow enters the sliding cavity from the air inlet and the support slider, passes over the expansion pipe, and enters the main body to dissipate heat. When it rains, the inwardly inclined supporting wall can block rainwater, and when water flows into the air inlet, it is blocked by the expansion pipe, flows to the bottom of the sliding cavity, and is discharged from the air inlet below. The pipeline is erected on the ground through the sliding cavity, which can prevent accumulated water from entering the pipeline.

[0013] (2) The utility model is provided with a docking ring. When the pipeline is directly buried underground, the docking ring is pushed to close the docking rings on both sides of the connecting pipe, so that the clamping grooves and clamping rings are connected. At this time, the expanded pipe is also pressed against the inner wall of the sliding cavity to form two sealed layers, so that the pipeline is sealed and soil is prevented from entering during burial. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is an overall schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is an enlarged view of point A of the present utility model;

[0018] Figure 4 It is an enlarged view of point b of the present utility model;

[0019] The markings in the figure are: 1. main body; 2. sliding cavity; 3. connecting pipe; 4. inclined support wall; 5. air filling port; 6. support ring; 7. support slider; 8. flared pipe; 9. docking ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0022] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean 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 an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0023] The structural features of the present invention are now described in detail with reference to the accompanying drawings.

[0024] See also Figure 1-2 An MPP cable protection tube with a heat dissipation structure includes a main body 1 and a connecting tube 3. The main body 1 is divided into a plurality of partitions in an array, and symmetrical sliding cavities 2 are fixed at the partitions. The sliding cavity 2 is an annular cavity protruding from the main body 1. The main body 1 is supported by the sliding cavity 2 to form a heat dissipation channel.

[0025] See also Figure 2-4The front end of the sliding cavity 2 is provided with an inclined support wall 4, which is inclined inwardly to prevent rainwater from entering, and is provided with a circular array of air filling ports 5. The openings of the air filling ports 5 extend to the inner wall of the sliding cavity 2. After water enters the sliding cavity 2, it flows out from the air filling ports 5 at the bottom. A support ring 6 is fixedly provided on the inclined support wall 4 toward one side of the connecting pipe 3. A supporting slider 7 in a circumferential array is fixed on the inner wall of the support ring 6. The supporting slider 7 is slidably connected to the connecting pipe 3 so that the sliding cavity 2 can be pulled open from the middle of the connecting pipe 3 to both sides. A docking ring 9 is provided at the top end of the sliding cavity 2 located on the outside of the inclined support wall 4. The docking rings 9 on both sides of the same connecting pipe 3 are symmetrical to each other, and the opposite side is a plane. A clamping ring and a clamping groove are respectively provided on the opposite sides of the two docking rings 9. When the two docking rings 9 are closed, the clamping groove and the clamping ring are connected to form a sealed layer.

[0026] See also Figure 2 、 4 A flared tube 8 is fixedly provided on one side of the connecting tube 3 located in the sliding cavity 2. The flared tube 8 expands outward from the connecting tube 3. When the water flows into the air inlet 5, it is blocked by the flared tube 8. There is a gap between the opening wall of the flared tube 8 and the inner wall of the sliding cavity 2 to form an air flow channel. The length of the sliding cavity 2 is sufficient when the flared tube 8 presses against the inner wall of the sliding cavity 2 away from the connecting tube 3. The two docking rings 9 fit together, so that when the docking ring 9 is closed, the flared tube 8 presses against the inner wall of the sliding cavity 2 to form two sealed areas, and the two sliding cavities 2 are located in the middle of the connecting tube 3.

[0027] The MPP cable protection tube with a heat dissipation structure of the utility model has a simple structure and is provided with a heat dissipation mechanism. When the pipeline is installed outside, the ventilation mechanism can be opened for heat dissipation. It has good waterproof performance and is easy to close the ventilation mechanism when the pipeline is buried. It is highly practical and suitable for promotion.

[0028] When using it specifically, refer to Figure 1-4 When the pipe is laid outside, the sliding cavity 2 is pulled open from the middle of the connecting pipe 3 to both sides by pulling the main body 1. When the flared pipe 8 contacts the support slider 7 of the sliding cavity 2 and presses against the inner side of the support slider 7, a channel is formed in the sliding cavity 2 and the main body 1. The air flows into the sliding cavity 2 from the air inlet 5 and the support slider 7, passes over the flared pipe 8, and enters the main body 1 for heat dissipation. When it rains, the inwardly inclined inclined support wall 4 can block rainwater. When the water flows into the air inlet 5, it is blocked by the flared pipe 8 and flows to the bottom of the sliding cavity 2 and is discharged from the air inlet 5 below. The pipe is erected on the ground through the sliding cavity 2 to prevent accumulated water from entering the pipe. When the pipe is directly buried underground, the docking ring 9 on both sides of the connecting pipe 3 is closed by pushing the docking ring 9 so that its clamping groove and clamping ring are connected. At this time, the flared pipe 8 also presses against the inner wall of the sliding cavity 2, forming two sealed layers, making the pipe airtight and preventing mud from entering.

[0029] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An MPP cable protection tube with a heat dissipation structure, comprising a main body (1) and a connecting tube (3), characterized in that: The main body (1) is divided into a plurality of partitions in an array, and mutually symmetrical sliding cavities (2) are fixedly provided at the partitions, and the sliding cavities (2) are annular cavities protruding from the main body (1); The front end of the sliding cavity (2) is provided with an inclined support wall (4), the inclined support wall (4) is inclined inwardly and is provided with a circumferential array of air injection ports (5), the inclined support wall (4) is fixedly provided with a support ring (6) on the side facing the connecting pipe (3), the inner wall of the support ring (6) is fixedly provided with a circumferential array of support sliders (7), and the support sliders (7) are slidably connected to the connecting pipe (3); A flared tube (8) is fixedly provided on one side of the connecting tube (3) located in the sliding cavity (2). The flared tube (8) expands outward from the connecting tube (3), and a gap exists between the opening wall of the flared tube (8) and the inner wall of the sliding cavity (2).

2. The MPP cable protection tube with a heat dissipation structure according to claim 1, characterized in that: The top end of the sliding cavity (2) outside the oblique support wall (4) is provided with a docking ring (9). The docking rings (9) on both sides of the same connecting pipe (3) are symmetrical to each other, and the opposite side surfaces are flat.

3. The MPP cable protection tube with a heat dissipation structure according to claim 1, characterized in that: The opening of the air filling port (5) extends to the inner wall of the sliding cavity (2).

4. The MPP cable protection tube with a heat dissipation structure according to claim 2, characterized in that: The length of the sliding cavity (2) is such that when the expanded tube (8) presses against the inner wall of the sliding cavity (2) away from the connecting tube (3), the two docking rings (9) fit together, and a clamping ring and a clamping groove are respectively provided on opposite sides of the two docking rings (9).

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