CN210926950U - MPP cable protection pipe - Google Patents

Abstract

The utility model relates to an MPP cable protection tube, an inner tube body is sleeved in an outer tube body, a plurality of elastic supporting components which are axially and uniformly distributed are arranged between the inner tube body and the outer tube body, a protective sleeve is sleeved on the outer side of the outer tube body, and a waterproof layer is arranged between the outer tube body and the protective sleeve; the utility model discloses offer the circular-arc draw-in groove that is used for the joint to fix on the body to set up in the matching fixture block that circular-arc draw-in groove corresponds at the offside of body. When two or more than two MPP pipes are connected, the matching clamping block of the first MPP pipe is clamped to the arc-shaped clamping groove of the second MPP pipe, so that the assembly is completed, and the MPP pipe is convenient and fast. After the clamping connection is finished, the space occupied by the assembly of the two MPP pipes is only the space occupied by the two MPP pipes and one matching clamping block, and the occupied space is small; the utility model discloses crushing resistance is strong, and sound construction can effectually prevent that the body from damaging to the thermal diffusivity is strong, and the effectual cable that prevents is ageing.

Description

MPP cable protection pipe

Technical Field

The utility model relates to a MPP manages production facility technical field, concretely relates to MPP cable protection pipe.

Background

The MPP pipe is also called MPP power cable protection pipe and is divided into excavation type and non-excavation type, and the MPP non-excavation pipe is also called MPP pipe or support stay pipe. The MPP pipe adopts modified polypropylene as a main raw material. The high-voltage transmission line cable duct has the characteristics of high temperature resistance and external pressure resistance, and is suitable for cable duct pipes of high-voltage transmission lines of more than 10 kV. When the existing MPP pipe is used, the heat dissipation performance is poor, and the MPP pipe is not easy to maintain. Simultaneously in prior art, can have the condition that stacks a plurality of MPP pipes simultaneously, what adopt under most circumstances is that the mode of MPP pipe pillow realizes. However, this approach may result in the MPP tube occupying a large space.

Therefore, in view of the above problems, it is an urgent technical problem in the art to provide an MPP cable protection tube that reduces the space occupied by assembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a MPP cable protection pipe to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a MPP cable protection pipe, includes the outer body, the body endotheca is equipped with interior body outside, is equipped with a plurality of axial evenly distributed's elastic support subassembly between interior body and the outer body, the protective sheath has been cup jointed in the outside of outer body, be provided with the waterproof layer between outer body and the protective sheath, offer on the protective sheath and be used for the fixed circular-arc draw-in groove of joint to set up in the matching fixture block that circular-arc draw-in groove corresponds in the offside of protective sheath, protective sheath and matching fixture block integrated into one piece.

Preferably, circular-arc draw-in groove include circular arc opening and circular arc joint portion, circular arc joint portion set up in inside the protective sheath, circular arc joint portion forms the joint inner wall at the terminal surface that is close to the inside pipe wall, and circular arc joint portion forms the joint outer wall at the terminal surface that keeps away from the inside pipe wall, circular arc opening communicates circular arc joint portion and protective sheath outside, and the interior terminal surface and the joint outer wall of circular arc opening suit promptly, the outer terminal surface and the outside pipe wall of circular arc opening suit.

Preferably, the matching fixture block include joint piece and connecting block, the connecting block is located one side of joint piece, joint piece and connecting block integrated into one piece, the joint piece with circular-arc draw-in groove shape matches, the connecting block is with joint piece and outer wall of pipe connection, the connecting block divide into two parts from top to bottom, joint piece itself can be connected with outer wall of pipe.

Preferably, the elastic support assembly comprises at least three elastic members uniformly distributed in the circumferential direction, the outer ends of the elastic members abut against the inner wall of the outer pipe body and are connected with the outer pipe body through a first detachable structure, and the inner ends of the elastic members abut against the inner wall of the inner pipe body and are connected with the inner pipe body through a second detachable structure.

Preferably, the first detachable structure comprises a first convex groove axially formed in the inner wall of the outer tube body, and the outer end of the elastic piece is fixed on a first strip-shaped convex plate capable of being matched with the first convex groove; the second detachable structure comprises a second convex groove axially formed in the outer wall of the inner pipe body, the inner end of the elastic piece is fixed to a second strip-shaped convex plate matched with the second convex groove, and the elastic piece is a supporting spring.

Preferably, a plurality of vent holes are arranged on the inner tube body in a penetrating manner.

Compared with the prior art, the utility model relates to a MPP cable protection pipe offers on the body and is used for the fixed circular-arc draw-in groove of joint to set up in the matching fixture block that circular-arc draw-in groove corresponds at the offside of body. When two or more than two MPP pipes are connected, the matching clamping block of the first MPP pipe is clamped to the arc-shaped clamping groove of the second MPP pipe, so that the assembly is completed, and the MPP pipe is convenient and fast. After the clamping connection is finished, the space occupied by the assembly of the two MPP pipes is only the space occupied by the two MPP pipes and one matching clamping block, and the occupied space is small; the utility model discloses crushing resistance is strong, and sound construction can effectually prevent that the body from damaging to the thermal diffusivity is strong, and the effectual cable that prevents is ageing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of an MPP cable protection tube according to the present invention;

fig. 2 is the utility model relates to a protective sheath mounting structure sketch map among MPP cable protection pipe.

In the drawings:

1. an outer tubular body; 11. a first detachable structure; 12. a first convex groove; 2. an inner tube body; 21. a second detachable structure; 22. a second convex groove; 23. a vent hole; 3. an elastic support member; 31. an elastic member; 32. a first bar-shaped convex plate; 33. a second bar-shaped convex plate; 4. a protective sleeve; 41. an outer wall of the tube; 42. clamping the outer wall; 43. clamping the inner wall; 44. the inner wall of the pipe; 5. a waterproof layer; 6. an arc-shaped clamping groove; 61. an arc opening part; 62. an arc clamping part; 7. matching the fixture block; 71. a clamping block; 72. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a MPP cable protection pipe, includes outer body 1, and the body 2 is equipped with in outer body 1 endotheca, is equipped with a plurality of axial evenly distributed's elastic support subassembly 3 between interior body 2 and the outer body 1, protective sheath 4 has been cup jointed in the outside of outer body 1, be provided with waterproof layer 5 between outer body 1 and protective sheath 4, waterproof layer 3 is formed by the preparation of polyurethane material, has good oil resistance, solvent resistance, water proofness and refractiveness, prevents to have water to get into the cable, takes place dangerously, has strengthened the security, offers on protective sheath 4 to be used for the fixed circular-arc draw-in groove 6 of joint to set up in the offside of protective sheath 4 in the matching fixture block 7 that circular-arc draw-in groove 6 corresponds, protective sheath 4 and matching fixture block 7 integrated. When two or more than two MPP pipes are required to be connected, the matching clamping block 7 of the first MPP pipe is clamped to the arc-shaped clamping groove 6 of the second MPP pipe, so that the assembly is completed, and the MPP pipe is convenient and fast. And after the clamping is finished, the space occupied by the assembly of the two MPP pipes is only the space occupied by the two MPP pipes and one matching clamping block 7, and the occupied space is small.

Circular-arc draw-in groove 6 include circular arc opening 61 and circular arc joint portion 62, circular arc joint portion 62 sets up inside protective sheath 4, circular arc joint portion 62 forms joint inner wall 43 at the terminal surface that is close to inside pipe wall 44, and circular arc joint portion 62 forms joint outer wall 42 at the terminal surface of keeping away from inside pipe wall 44, circular arc opening 61 suits circular arc joint portion 62 and protective sheath 4 outside UNICOM, and the interior terminal surface of circular arc opening 61 suits with joint outer wall 42 promptly, and the outer terminal surface of circular arc opening 61 suits with pipe outer wall 41.

The matching fixture block 7 comprises a clamping block 71 and a connecting block 72, the connecting block 72 is positioned on one side of the clamping block 71, the clamping block 71 and the connecting block 72 are integrally formed, and the clamping block 71 is matched with the arc-shaped clamping groove 6 in shape; the connecting block 72 connects the clamping block 71 with the outer wall 41 of the pipe, the connecting block 72 is divided into an upper part and a lower part, and the clamping block 71 is connected with the outer wall 41 of the pipe.

The elastic support assembly 3 in this embodiment includes at least three elastic members 31 uniformly distributed in the circumferential direction, the outer ends of the elastic members 31 abut against the inner wall of the outer tube 1 and are connected to the outer tube 1 through the first detachable structure 11, and the inner ends of the elastic members 31 abut against the inner wall of the inner tube 2 and are connected to the inner tube 2 through the second detachable structure 21. The elastic supporting component 3 can enable the inner pipe body 2 to be arranged in the middle of the channel of the outer pipe body 1, a gap is formed between the inner pipe body 2 and the outer pipe body 1, so that the inner pipe body 2 can be conveniently ventilated to dissipate heat, and the elastic supporting component 3 can also increase the pressure resistance of the MPP pipe; due to the first detachable structure 11 and the second detachable structure 21, the inner pipe body 2 can be conveniently mounted or dismounted.

More specifically, the first detachable structure 11 comprises a first convex groove 12 axially formed on the inner wall of the outer tube body 1, and the outer end of the elastic element 31 is fixed on a first strip-shaped convex plate 32 capable of being matched with the first convex groove 12; the second detachable structure 21 includes a second convex groove 22 axially formed on the outer wall of the inner tube 2, the inner end of the elastic member 31 is fixed on a second strip-shaped convex plate 33 capable of being matched with the second convex groove 22, and the elastic member 31 is a supporting spring. A plurality of vent holes 23 are arranged on the inner tube body 2 in a penetrating mode, and the vent holes 23 can improve the heat dissipation efficiency of the inner tube body 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a MPP cable protection pipe, includes outer body (1), body (2) in body (1) endotheca is equipped with outside, interior body (2) and outer body (1) between be equipped with a plurality of axial evenly distributed's elastic support subassembly (3), its characterized in that: protective sheath (4) have been cup jointed in the outside of outer body (1), be provided with waterproof layer (5) between outer body (1) and protective sheath (4), offer on protective sheath (4) and be used for the fixed circular-arc draw-in groove of joint (6) to set up in matching fixture block (7) that circular-arc draw-in groove (6) correspond at the offside of protective sheath (4), protective sheath (4) and matching fixture block (7) integrated into one piece.

2. The MPP cable protection tube of claim 1, wherein: circular-arc draw-in groove (6) include circular arc opening (61) and circular arc joint portion (62), circular arc joint portion (62) are seted up in protective sheath (4) are inside, circular arc joint portion (62) are forming joint inner wall (43) at the terminal surface that is close to inside pipe wall (44), and circular arc joint portion (62) are forming joint outer wall (42) at the terminal surface of keeping away from inside pipe wall (44), circular arc opening (61) are with circular arc joint portion (62) and protective sheath (4) outside intercommunication, the interior terminal surface of circular arc opening (61) suits with joint outer wall (42) promptly, the outer terminal surface of circular arc opening (61) suits with outside pipe wall (41).

3. The MPP cable protection tube of claim 1, wherein: match fixture block (7) including joint piece (71) and connecting block (72), connecting block (72) are located one side of joint piece (71), joint piece (71) and connecting block (72) integrated into one piece, joint piece (71) with circular-arc draw-in groove (6) shape matching, connecting block (72) are connected joint piece (71) and tub outer wall (41), connecting block (72) divide into two parts from top to bottom, joint piece (71) itself can be connected with tub outer wall (41).

4. The MPP cable protection tube of claim 1, wherein: the elastic support assembly (3) comprises at least three elastic pieces (31) which are uniformly distributed in the circumferential direction, the outer ends of the elastic pieces (31) are abutted against the inner wall of the outer pipe body (1) and are connected with the outer pipe body (1) through a first detachable structure (11), and the inner ends of the elastic pieces (31) are abutted against the inner wall of the inner pipe body (2) and are connected with the inner pipe body (2) through a second detachable structure (21).

5. The MPP cable protection tube of claim 4, wherein: the first detachable structure (11) comprises a first convex groove (12) axially formed in the inner wall of the outer pipe body (1), and the outer end of the elastic piece (31) is fixed on a first strip-shaped convex plate (32) capable of being matched with the first convex groove (12); the second detachable structure (21) comprises a second convex groove (22) axially formed in the outer wall of the inner tube body (2), the inner end of the elastic piece (31) is fixed to a second strip-shaped convex plate (33) capable of being matched with the second convex groove (22), and the elastic piece (31) is a supporting spring.

6. The MPP cable protection tube of claim 1, wherein: a plurality of vent holes (23) are arranged on the inner tube body (2) in a penetrating way.

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