MPP cable protection pipe structure

Abstract

The utility model discloses an MPP cable protection tube structure, which comprises a protection tube main body, the protection tube main body comprises an MPP protection joint, an outer protection shaft tube and an inner protection leather sheath, the MPP protection joint is internally provided with a cable sheath, the cable sheath is internally provided with a cable core main body, and the MPP protection joint is internally provided with an outer protection shaft tube and an inner protection leather sheath. The cable sheath comprises a flame-retardant protective sheath, a heat-insulating protective sheath and an insulating protective sheath, the MPP protective joint comprises a modified polypropylene sleeve, a high-density polyethylene sleeve and a polyurethane protective sleeve, and the inner wrapping protective leather sheath comprises a wear-resistant protective leather sheath, an MPP high-temperature-resistant leather sheath and an elastic rubber leather sheath. According to the utility model, the MPP cable protection tube structure is arranged outside the cable core main body, layer-by-layer safety protection design is carried out on the interior of the protection tube, and pressure-resistant and tensile design protection is carried out on the joint part, so that the joint part can be prevented from being broken and damaged, and meanwhile, wear-resistant, high-temperature-resistant and high-elastic insulation protection is carried out on the tube body main body, so that the service life of the cable core main body is prolonged. And the use safety of the internal cable core is further protected.

Description

Technical Field

[0001] The utility model relates to the technical field of cable protection structures, and particularly relates to an MPP cable protection pipe structure. Background Technique

[0002] The cable protection pipe is also known as cable pipe, power cable pipe, cement cable pipe, power cable duct, power cable protection pipe, etc. The cable protection pipe is mainly installed in the section where the communication cable crosses the power line to prevent the power line from breaking and causing a short - circuit accident, causing the communication cable and the steel wire rope to be electrified, so as to protect the cable, switch, circuit board, and even the whole machine from being burned out, and also play a certain role in isolating the magnetic field interference of the power line.

[0003] The Chinese authorized patent document with the publication number CN219018347U discloses an MPP cable protection pipe structure, belonging to the technical field of MPP cables. An MPP cable protection pipe structure includes a protection pipe. A limiting rod is installed on the side wall of the protection pipe. The limiting rod is close to the end of the protection pipe. The number of limiting rods is four. The four limiting rods are divided into two groups in pairs. The two groups of limiting rods are respectively located at both ends of the protection pipe. A threaded sleeve is arranged on the side wall of the protection pipe. A first rubber pad is installed inside the protection pipe. The end of the protection pipe is connected with a docking component. The docking component includes a docking head and a hose arranged on the docking head. A sealing groove and a sliding groove are opened at one end of the docking head close to the protection pipe. Threads are opened on the outer wall of the docking head. Through the setting of the docking component, while protecting the MPP cable, the placement angle of the MPP cable can be adjusted according to the needs of the staff.

[0004] The above - mentioned MPP cable protection pipe structure in the prior art cannot provide good safety protection for the joint part of the cable pipe, and it is easy to cause deformation and pressure damage at the joint part. Therefore, it is necessary to develop a new type of MPP cable protection pipe structure. Content of the Utility Model

[0005] The purpose of the utility model is to provide an MPP cable protection pipe structure to solve the problem that the MPP cable protection pipe structure in the prior art in the above - mentioned background technique cannot provide good safety protection for the joint part of the cable pipe, and it is easy to cause deformation and pressure damage at the joint part.

[0006] To achieve the above object, the present utility model provides the following technical solutions: An MPP cable protection pipe structure, including a protection pipe main body, the protection pipe main body includes an MPP protection joint, an outer protection shaft pipe, and an inner protection leather sleeve. Inside the MPP protection joint, a cable sheath is installed, and inside the cable sheath, a cable core main body is installed. The cable sheath includes a flame retardant protection sleeve, a heat insulation protection sleeve, and an insulation protection sleeve. The MPP protection joint includes a modified polypropylene sleeve, a high-density polyethylene sleeve, and a polyurethane protection sleeve. The inner protection leather sleeve includes a wear-resistant protection leather sleeve, an MPP high-temperature leather sleeve, and an elastic rubber leather sleeve.

[0007] Preferably, joint slot structures are provided at both ends of the surface of the MPP protection joint.

[0008] Preferably, the flame retardant protection sleeve, the heat insulation protection sleeve, and the insulation protection sleeve are tightly adhered and fixed through an adhesive.

[0009] Preferably, the flame retardant protection sleeve is wrapped on the outer surface of the heat insulation protection sleeve, and the insulation protection sleeve is arranged on the inner surface of the heat insulation protection sleeve.

[0010] Preferably, the modified polypropylene sleeve is arranged on the outer surface of the high-density polyethylene sleeve, and the high-density polyethylene sleeve is arranged on the outer surface of the polyurethane protection sleeve.

[0011] Preferably, the outer protection shaft pipe is wrapped on the outer surface of the inner protection leather sleeve, and anti-slip texture structures are provided on the surface of the outer protection shaft pipe.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] By arranging an MPP cable protection pipe structure outside the cable core main body, through layer-by-layer safety protection design inside the protection pipe, and compressive and tensile design protection at the joint part, the phenomenon of fracture and pressure damage at the joint can be prevented. At the same time, wear resistance, high temperature resistance, and high-elastic insulation protection are carried out on the main body of the pipe to further protect the use safety of the internal cable core, thereby improving the service life of the internal cable core. The entire MPP cable protection pipe structure has the advantages of high structural strength and not being easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 It is the front view of the present utility model;

[0016] Figure 3 It is a schematic diagram of the structural composition of the cable sheath of the present utility model;

[0017] Figure 4Schematic diagram of the composition structure of the MPP protection joint of the present utility model;

[0018] Figure 5 Schematic diagram of the composition structure of the inner protective leather sheath of the present utility model.

[0019] In the figure: 1. MPP protection joint; 2. Cable sheath; 3. Outer protective shaft tube; 4. Inner protective leather sheath; 5. Cable core body; 6. Joint card slot structure; 7. Protection tube body; 8. Flame-retardant protective sleeve; 9. Heat-insulating protective sleeve; 10. Insulating protective sleeve; 11. Modified polypropylene sleeve; 12. High-density polyethylene sleeve; 13. Polyurethane protective sleeve; 14. Wear-resistant protective leather sheath; 15. MPP high-temperature resistant leather sheath; 16. Elastic rubber leather sheath. Specific implementation manners

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0021] Please refer to Figures 1-5 , an embodiment provided by the present utility model: A structure of an MPP cable protection tube includes a protection tube body 7. The protection tube body 7 includes an MPP protection joint 1, an outer protective shaft tube 3, and an inner protective leather sheath 4. A cable sheath 2 is installed inside the MPP protection joint 1, and a cable core body 5 is installed inside the cable sheath 2. The cable sheath 2 includes a flame-retardant protective sleeve 8, a heat-insulating protective sleeve 9, and an insulating protective sleeve 10. The MPP protection joint 1 includes a modified polypropylene sleeve 11, a high-density polyethylene sleeve 12, and a polyurethane protective sleeve 13. The inner protective leather sheath 4 includes a wear-resistant protective leather sheath 14, an MPP high-temperature resistant leather sheath 15, and an elastic rubber leather sheath 16.

[0022] Furthermore, joint card slot structures 6 are provided at both ends of the surface of the MPP protection joint 1. The provision of the joint card slot structures 6 facilitates the clamping and fixing of the MPP protection joint 1 to the equipment.

[0023] Furthermore, the flame-retardant protective sleeve 8, the heat-insulating protective sleeve 9, and the insulating protective sleeve 10 are tightly adhered and fixed through an adhesive, which facilitates the quick connection of the flame-retardant protective sleeve 8, the heat-insulating protective sleeve 9, and the insulating protective sleeve 10 into an integral structure.

[0024] Furthermore, the flame-retardant protective sleeve 8 is wrapped on the outer surface of the heat-insulating protective sleeve 9, and the insulating protective sleeve 10 is provided on the inner surface of the heat-insulating protective sleeve 9.

[0025] Furthermore, the modified polypropylene sleeve 11 is disposed on the outer surface of the high-density polyethylene sleeve 12, and the high-density polyethylene sleeve 12 is disposed on the outer surface of the polyurethane protective sleeve 13. The modified polypropylene sleeve 11 has good tensile and compressive properties as well as electrical insulation properties. The high-density polyethylene sleeve 12 has high-strength compressive properties, enabling the entire protective sleeve to withstand the external pressure during underground laying. The polyurethane protective sleeve 13 has good tensile protection properties.

[0026] Furthermore, the outer protective shaft tube 3 is wrapped around the outer surface of the inner protective leather sleeve 4, and the surface of the outer protective shaft tube 3 is provided with an anti-slip texture structure, facilitating the picking up and placing of the protection tube body 7.

[0027] Working principle: During use, the protection tube body 7 includes an MPP protection joint 1, an outer protective shaft tube 3, and an inner protective leather sleeve 4. A cable sheath 2 is installed inside the MPP protection joint 1, and a cable core body 5 is installed inside the cable sheath 2. By providing the MPP protection joint 1, good safety protection can be provided for the joint part of the cable core body 5. The MPP protection joint 1 includes a modified polypropylene sleeve 11, a high-density polyethylene sleeve 12, and a polyurethane protective sleeve 13. The modified polypropylene sleeve 11 is disposed on the outer surface of the high-density polyethylene sleeve 12, and the high-density polyethylene sleeve 12 is disposed on the outer surface of the polyurethane protective sleeve 13. The modified polypropylene sleeve 11 has good tensile and compressive properties as well as electrical insulation properties. The high-density polyethylene sleeve 12 has high-strength compressive properties, enabling the entire protective sleeve to withstand the external pressure during underground laying. The polyurethane protective sleeve 13 has good tensile protection properties. The cable sheath 2 includes a flame-retardant protective sleeve 8, a heat-insulating protective sleeve 9, and an insulating protective sleeve 10. The cable sheath 2 can be used to further provide flame-retardant, heat-insulating, and insulating safety protection for the cable core. Through the layered safety protection design of the inside of the protection tube and the compressive and tensile design protection of the joint part, the occurrence of fracture and pressure loss at the joint can be prevented. At the same time, wear-resistant, high-temperature-resistant, and highly elastic insulation protection is provided for the main body of the tube, further protecting the use safety of the internal cable core.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including", or any other variation thereof is intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or device.

[0029] The standard parts used in this application document can all be purchased from the market. The specific connection methods of each part are all connected by conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. Moreover, the machinery, parts, and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, no specific description will be made here.

[0030] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An MPP cable protection tube structure, comprising a protection tube body (7), characterized in that: The protective tube body (7) comprises an MPP protective joint (1), an outer protective shaft tube (3) and an inner protective sheath (4); a cable sheath (2) is installed inside the MPP protective joint (1); a cable core body (5) is installed inside the cable sheath (2); the cable sheath (2) comprises a flame retardant protective sheath (8), a heat insulation protective sheath (9) and an insulating protective sheath (10); the MPP protective joint (1) comprises a modified polypropylene sleeve (11), a high-density polyethylene sleeve (12) and a polyurethane protective sleeve (13); and the inner protective sheath (4) comprises a wear-resistant protective sheath (14), an MPP high-temperature resistant sheath (15) and an elastic rubber sheath (16).

2. The MPP cable protection tube structure according to claim 1, characterized in that: Joint slot structures (6) are provided at both ends of the surface of the MPP protective joint (1).

3. The MPP cable protection tube structure according to claim 1, characterized in that: The flame retardant protective sleeve (8), the heat insulation protective sleeve (9) and the insulating protective sleeve (10) are tightly bonded and fixed to each other by means of an adhesive.

4. The MPP cable protection tube structure according to claim 1, characterized in that: The flame retardant protective sleeve (8) is wrapped and arranged on the outer surface of the heat insulating protective sleeve (9), and the insulating protective sleeve (10) is arranged on the inner surface of the heat insulating protective sleeve (9).

5. The MPP cable protection tube structure according to claim 1, characterized in that: The modified polypropylene sleeve (11) is arranged on the outer surface of the high-density polyethylene sleeve (12), and the high-density polyethylene sleeve (12) is arranged on the outer surface of the polyurethane protective sleeve (13).

6. The MPP cable protection tube structure according to claim 1, characterized in that: The outer protective shaft tube (3) is wrapped around the outer surface of the inner protective leather sleeve (4), and the surface of the outer protective shaft tube (3) is provided with an anti-slip texture structure.

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