MPP cable protection pipe convenient to overhaul

Abstract

The utility model discloses an MPP cable protection tube convenient for maintenance, which comprises an MPP lower tube body, an MPP upper tube body and a fixing assembly, the top of the MPP lower tube body is connected with the MPP upper tube body through the fixing assembly, one side of the MPP upper tube body close to the MPP lower tube body is provided with a positioning assembly, and one side of the bottom of the MPP lower tube body close to the MPP upper tube body is fixedly provided with a lower clamping plate. According to the MPP cable protection pipe convenient to overhaul, when a cable is protected, multiple groups of MPP lower pipe bodies and MPP upper pipe bodies are fixedly connected according to the length of the cable, and the adjacent MPP lower pipe bodies and MPP upper pipe bodies are respectively fixed and detachably arranged through the arranged fixing assemblies; the MPP lower pipe body and the MPP upper pipe body are convenient to maintain in the later period, when the outside is abraded, only the corresponding MPP lower pipe body or the corresponding MPP upper pipe body needs to be replaced, the whole body does not need to be replaced, the arranged MPP lower pipe body and the arranged MPP upper pipe body are designed in a combined and detachable mode, and mounting and dismounting are more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of cable protection tubes, in particular to an MPP cable protection tube which is easy to repair. Background Art

[0002] MPP pipe, also known as MPP power cable protection pipe, is available in trenchless and trenchless types. MPP trenchless pipe is also known as MPP jacking pipe or dragging pipe. MPP pipe is primarily made of modified polypropylene. It is resistant to high temperatures and external pressures and is suitable for medium and low voltage transmission line cable conduit up to 10 kV.

[0003] The patent document with application number CN212991863U discloses an anti-collision type MPP power cable protection tube, comprising an outer tube, a buffer mechanism is arranged inside the outer tube, the buffer mechanism comprises an inner tube, the inner tube is inside the outer tube, a limiting block is arranged on one side of the inner tube, a connecting block is arranged on one side of the limiting block, a limiting groove is provided on the outer side of the inner wall of the connecting block at one end of the limiting block, and a spring is arranged at one end of the limiting block; compared with the prior art, the anti-collision type MPP power cable protection tube, by designing a buffer mechanism, can effectively unload the impact force, reduce the probability of tube rupture, improve the anti-collision and anti-impact performance, effectively protect the internal cable, and at the same time increase the service life of the tube.

[0004] The inner tube and outer tube in the above-mentioned related technology are structurally integrated. When one section of the outer tube is worn, the entire MMP cable protection tube needs to be replaced. When the entire tube is removed from the outside of the cable, one end of the cable needs to be removed, which is inconvenient to operate. To address the above problems, we have introduced an MPP cable protection tube that is easy to maintain. Utility Model Content

[0005] The utility model discloses an MPP cable protection tube which is easy to maintain, and is intended to solve the technical problem in the related art that the inner tube and the outer tube are structurally integrated, and when a section of the outer tube is worn, the entire MMP cable protection tube needs to be replaced, and when the entire tube is disassembled from the outside of the cable, one end of the cable needs to be removed, which is inconvenient to operate.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] An MPP cable protection tube that is easy to maintain, comprising an MPP lower tube body, an MPP upper tube body, and a fixing assembly. The top of the MPP lower tube body is connected to the MPP upper tube body via the fixing assembly. A positioning assembly is provided on the side of the MPP upper tube body close to the MPP lower tube body. A lower clamping plate is fixedly installed on the bottom of the MPP lower tube body close to the MPP upper tube body.

[0008] The fixing assembly includes a fixing block, which is symmetrically fixed on the side where the MPP lower tube body and the MPP upper tube body are close to each other. One end of the MPP lower tube body and the MPP upper tube body is fixedly installed with an external fixing plate. The end of the MPP lower tube body and the MPP upper tube body away from the external fixing plate is provided with an external fixing groove. The sides where the two external fixing plates are close to each other are fixedly installed with a clamping strip, and the sides where the two external fixing grooves are away from each other are provided with a clamping groove. The inside of the external fixing plates is threaded with a fixing bolt, and the inside of the external fixing groove is provided with a fixing hole.

[0009] When protecting the cable, multiple groups of MPP lower tubes and MPP upper tubes are fixedly connected according to the length of the cable, and the MPP lower tube and MPP upper tube are fixed to both sides of the cable through fixing blocks with bolts and nuts. When fixing and installing multiple groups of MPP lower tubes and MPP upper tubes, the external fixing plate on one side of one MPP lower tube is extended to the inside of the external fixing groove on one side of the other MPP lower tube, the clamping strip is extended into the inside of the clamping groove, and fixed by the provided fixing bolts and fixing holes. The detachable setting is conducive to the later inspection and maintenance of the MPP lower tube and the MPP upper tube. When wear occurs on the outside, only the corresponding MPP lower tube or the MPP upper tube needs to be replaced without replacing the entire body. The MPP lower tube and the MPP upper tube are combined with a detachable design, which makes installation and disassembly more convenient.

[0010] In a preferred embodiment, the positioning assembly includes a movable groove, which is equidistantly arranged inside the top of the MPP upper tube body, and the movable groove is threadedly connected to a threaded rod. The top of the MPP upper tube body and both sides of the movable groove are symmetrically penetrated and slidably connected with a sliding rod, the bottom of the sliding rod is connected through an upper splint, and the bottom end of the threaded rod extends to the inside of the upper splint and is rotatably connected to the upper splint.

[0011] By setting the cable on the top of the lower clamping plate inside the MPP lower tube body, the MPP upper tube body is fixed on the top of the MPP lower tube body, and the upper clamping plate is pushed downward by rotating the threaded rod to fix and clamp the cable. This is conducive to fixing cables of different diameters. At the same time, the protection of the cable by the lower clamping plate and the upper clamping plate is conducive to strengthening the protection effect of the cable.

[0012] In a preferred solution, a support base is symmetrically fixedly installed on the bottom of the MPP lower tube body, and mounting holes are symmetrically opened on both sides of the support base bottom plate.

[0013] Providing a support seat helps to strengthen the bottom support of the MPP lower tube body, making it more stable to use.

[0014] In a preferred solution, the adjacent sides of the upper and lower splints are both made of elastic material and are symmetrical arc-shaped structures.

[0015] The upper and lower clamping plates are used in conjunction with each other, which is beneficial for fixing the cable. The side where the upper and lower clamping plates are close to each other is an arc-shaped structure and is made of elastic material, which is beneficial for strengthening the protection of the cable.

[0016] In a preferred solution, sealing grooves are symmetrically provided on both sides of the top of the MPP lower tube body, and a sealing strip is fixedly installed on one side of the MPP upper tube body close to the sealing groove, and the sealing strip extends into the inside of the sealing groove.

[0017] By providing a sealing strip extending into the sealing groove, it is helpful to strengthen the sealing performance of the MPP lower tube body and the MPP upper tube body, and the installation is more secure.

[0018] In a preferred solution, a sealing ring is fixedly mounted on one end of the MPP lower tube body and the MPP upper tube body away from the outer fixing plate.

[0019] When fixing the protective tubes formed by multiple MPP lower tubes and MPP upper tubes, the provided sealing rings are helpful to strengthen the sealing between the various protective tubes, thereby facilitating the protection of the internal cables.

[0020] The utility model provides an MPP cable protection tube that is easy to maintain and has the following advantages:

[0021] First, when protecting the cable, multiple groups of MPP lower tubes and MPP upper tubes are fixedly connected according to the length of the cable, and the MPP lower tube and MPP upper tube are fixed to both sides of the cable through fixing blocks with bolts and nuts. When fixing the multiple groups of MPP lower tubes and MPP upper tubes, the external fixing plate on one side of one MPP lower tube is extended to the inside of the external fixing groove on one side of the other MPP lower tube, the clamping strip is extended into the inside of the clamping groove, and fixed by the provided fixing bolts and fixing holes. The detachable setting is conducive to the later inspection and maintenance of the MPP lower tube and the MPP upper tube. When the external wear occurs, only the corresponding MPP lower tube or the MPP upper tube needs to be replaced, without replacing the entire body. The set MPP lower tube and the MPP upper tube are combined with a detachable design, which makes installation and disassembly more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model is a three-dimensional schematic diagram of an MPP cable protection tube that is easy to maintain.

[0023] Figure 2 This is a schematic diagram of a three-dimensional disassembly of an MPP cable protection tube for easy maintenance proposed in the utility model.

[0024] Figure 3The utility model provides a three-dimensional split cross-sectional schematic diagram of an MPP cable protection tube that is easy to repair.

[0025] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0026] In the accompanying drawings: 1. MPP lower tube body; 11. Sealing groove; 2. MPP upper tube body; 21. Sealing strip; 3. Lower splint; 4. Positioning assembly; 41. Moving groove; 42. Threaded rod; 43. Sliding rod; 44. Upper splint; 5. Fixing assembly; 51. Fixing block; 52. External fixing plate; 53. External fixing groove; 54. Clip strip; 55. Clip groove; 56. Fixing bolt; 57. Fixing hole; 6. Support seat. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application generally described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work fall within the scope of protection of the present application.

[0028] The utility model discloses an MPP cable protection tube that is easy to maintain and is mainly used in cable protection scenarios.

[0029] Reference Figure 1 and Figure 2 An MPP cable protection tube that is easy to maintain includes: an MPP lower tube body 1, an MPP upper tube body 2, and a fixing assembly 5. The top of the MPP lower tube body 1 is connected to the MPP upper tube body 2 via the fixing assembly 5. A positioning assembly 4 is provided on the side of the MPP upper tube body 2 close to the MPP lower tube body 1. A lower clamping plate 3 is fixedly installed on the side of the bottom of the MPP lower tube body 1 close to the MPP upper tube body 2.

[0030] The fixing assembly 5 includes a fixing block 51, which is symmetrically fixed on the side where the MPP lower tube body 1 and the MPP upper tube body 2 are close to each other. An external fixing plate 52 is fixedly installed on one end of the MPP lower tube body 1 and the MPP upper tube body 2. An external fixing groove 53 is provided on the end of the MPP lower tube body 1 and the MPP upper tube body 2 away from the external fixing plate 52. A clamping strip 54 is fixedly installed on the side where the two external fixing plates 52 are close to each other, and a clamping groove 55 is provided on the side where the two external fixing grooves 53 are away from each other. A fixing bolt 56 is threadedly connected to the inside of the external fixing plate 52, and a fixing hole 57 is provided inside the external fixing groove 53.

[0031] Among them, sealing grooves 11 are symmetrically opened on both sides of the top of the MPP lower tube body 1, and a sealing strip 21 is fixedly installed on the side of the MPP upper tube body 2 close to the sealing groove 11, and the sealing strip 21 extends to the inside of the sealing groove 11; by setting the sealing strip 21 to extend to the inside of the sealing groove 11, it is beneficial to strengthen the sealing of the fixed MPP lower tube body 1 and the MPP upper tube body 2, and the installation is more secure.

[0032] Among them, the MPP lower tube body 1 and the MPP upper tube body 2 are fixedly installed with a sealing ring at one end away from the external fixing plate 52; when the protective tubes formed by multiple MPP lower tube bodies 1 and MPP upper tube bodies 2 are fixed together, the provided sealing ring is conducive to strengthening the sealing between each protective tube, thereby facilitating the protection of the internal cables.

[0033] In this embodiment, when protecting the cable, multiple groups of MPP lower tube bodies 1 and MPP upper tube bodies 2 are fixedly connected according to the length of the cable, and the MPP lower tube body 1 and the MPP upper tube body 2 are fixed to both sides of the cable through the fixing block 51 with bolts and nuts. When fixing the multiple groups of MPP lower tube bodies 1 and the MPP upper tube bodies 2, the outer fixing plate 52 on one side of one MPP lower tube body 1 is extended to the inner part of the outer fixing groove 53 on one side of the other MPP lower tube body 1, and the clamping strip 54 is extended to the inner part of the clamping groove 55, and fixed by the provided fixing bolt 56 and fixing hole 57. The detachable setting is conducive to the later maintenance of the MPP lower tube body 1 and the MPP upper tube body 2. When the external part is worn, only the corresponding MPP lower tube body 1 or the MPP upper tube body 2 needs to be replaced without replacing the entire body. The MPP lower tube body 1 and the MPP upper tube body 2 are combined with a detachable design, which makes installation and disassembly more convenient.

[0034] Among them, a support seat 6 is symmetrically fixedly installed at the bottom of the MPP lower tube body 1, and mounting holes are symmetrically opened on both sides of the bottom plate of the support seat 6; the provision of the support seat 6 is conducive to strengthening the bottom support of the MPP lower tube body 1, making it more stable to use.

[0035] In the above technical solution, considering the problem of fixing cables with different diameters, in order to solve such problems, the specific operations are as follows:

[0036] Reference Figure 1 and Figure 4 In a preferred embodiment, the positioning assembly 4 includes a moving groove 41, which is equidistantly arranged inside the top of the MPP upper tube 2. Threaded rods 42 are threadedly connected inside the moving grooves 41. Sliding rods 43 are symmetrically penetrated and slidably connected on both sides of the top of the MPP upper tube 2 and located on both sides of the moving grooves 41. The bottom of the sliding rod 43 is connected through an upper clamping plate 44. The bottom end of the threaded rod 42 extends into the interior of the upper clamping plate 44 and is rotatably connected to the upper clamping plate 44.

[0037] In this embodiment, after placing the cable on the top of the lower clamping plate 3 inside the MPP lower tube 1, the MPP upper tube 2 is fixed on the top of the MPP lower tube 1, and the upper clamping plate 44 is pushed downward by rotating the threaded rod 42 to fix the cable. This is beneficial for fixing cables of different diameters. At the same time, the protection of the cable by the lower clamping plate 3 and the upper clamping plate 44 is beneficial to enhance the protection effect of the cable.

[0038] Among them, the side where the upper splint 44 and the lower splint 3 are close to each other is set to an elastic material, and is a mutually symmetrical arc structure; by setting the upper splint 44 and the lower splint 3 to be used in coordination, it is beneficial to fix the cable, and the side where the upper splint 44 and the lower splint 3 are close to each other is an arc structure and is made of elastic material, which is beneficial to strengthen the protection of the cable.

[0039] Working principle: During use, when protecting the cable, multiple groups of MPP lower tube bodies 1 and MPP upper tube bodies 2 are fixedly connected according to the length of the cable, and the MPP lower tube body 1 and the MPP upper tube body 2 are fixed to both sides of the cable through the fixing block 51 with bolts and nuts. When fixing the multiple groups of MPP lower tube bodies 1 and the MPP upper tube bodies 2, the outer fixing plate 52 on one side of one MPP lower tube body 1 is extended to the inner part of the outer fixing groove 53 on one side of the other MPP lower tube body 1, and the clamping strip 54 is extended to the inner part of the clamping groove 55, and fixed by the provided fixing bolt 56 and fixing hole 57. The detachable setting is conducive to the later inspection and maintenance of the MPP lower tube body 1 and the MPP upper tube body 2. When the external wear occurs, only the corresponding MPP lower tube body 1 or the MPP upper tube body 2 needs to be replaced without replacing the entire body. The MPP lower tube body 1 and the MPP upper tube body 2 are combined with a detachable design, which makes installation and disassembly more convenient.

[0040] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. The replacements described may be partial structures, devices, or method steps, or they may be complete technical solutions. Any equivalent replacements or modifications based on the technical solution and the concept of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. An MPP cable protection tube that is easy to maintain, comprising an MPP lower tube body (1), an MPP upper tube body (2) and a fixing assembly (5), characterized in that: The top of the MPP lower tube body (1) is connected to the MPP upper tube body (2) via a fixing assembly (5); a positioning assembly (4) is provided on the side of the MPP upper tube body (2) close to the MPP lower tube body (1); and a lower clamping plate (3) is fixedly installed on the side of the bottom of the MPP lower tube body (1) close to the MPP upper tube body (2); The fixing assembly (5) comprises a fixing block (51), wherein the fixing block (51) is symmetrically fixedly mounted on the side where the MPP lower tube body (1) and the MPP upper tube body (2) are close to each other; one end of the MPP lower tube body (1) and the MPP upper tube body (2) are both fixedly mounted with an external fixing plate (52); one end of the MPP lower tube body (1) and the MPP upper tube body (2) away from the external fixing plate (52) are both provided with an external fixing groove (53); a clamping strip (54) is fixedly mounted on the side where the two external fixing plates (52) are close to each other; a clamping groove (55) is provided on the side where the two external fixing grooves (53) are away from each other; a fixing bolt (56) is threadedly connected inside the external fixing plate (52); and a fixing hole (57) is provided inside the external fixing groove (53).

2. The MPP cable protection tube that is easy to maintain according to claim 1 is characterized in that: The positioning assembly (4) comprises a movable groove (41), wherein the movable groove (41) is equidistantly arranged inside the top of the MPP upper tube body (2), and the movable groove (41) is threadedly connected with a threaded rod (42), and the top of the MPP upper tube body (2) and both sides of the movable groove (41) are symmetrically penetrated and slidably connected with a sliding rod (43), and the bottom of the sliding rod (43) is connected through an upper clamping plate (44), and the bottom end of the threaded rod (42) extends to the inside of the upper clamping plate (44) and is rotatably connected to the upper clamping plate (44).

3. The MPP cable protection tube that is easy to maintain according to claim 1 is characterized in that: A support seat (6) is symmetrically fixedly mounted on the bottom of the MPP lower tube body (1), and mounting holes are symmetrically provided on both sides of the bottom plate of the support seat (6).

4. The MPP cable protection tube for easy maintenance according to claim 2 is characterized in that: The sides of the upper clamping plate (44) and the lower clamping plate (3) that are close to each other are both made of elastic material and are symmetrical arc-shaped structures.

5. The MPP cable protection tube for easy maintenance according to claim 1 is characterized in that: The top of the MPP lower tube body (1) is symmetrically provided with sealing grooves (11), and a sealing strip (21) is fixedly installed on one side of the MPP upper tube body (2) close to the sealing groove (11), and the sealing strip (21) extends into the interior of the sealing groove (11).

6. The MPP cable protection tube for easy maintenance according to claim 1 is characterized in that: A sealing ring is fixedly mounted on one end of the MPP lower tube body (1) and the MPP upper tube body (2) away from the outer fixing plate (52).

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