CN209545056U

CN209545056U - A kind of high protective MPP pipe

Info

Publication number: CN209545056U
Application number: CN201920421184.7U
Authority: CN
Inventors: 赵付强
Original assignee: HANGZHOU HAOFEI PIPE Co Ltd
Current assignee: HANGZHOU HAOFEI PIPE Co Ltd
Priority date: 2019-03-30
Filing date: 2019-03-30
Publication date: 2019-10-25
Anticipated expiration: 2029-03-30

Abstract

The utility model discloses a kind of high protective MPP pipes, and the utility model relates to a kind of jack, and in particular to a kind of high protective MPP pipe.The benefit of the utility model: the utility model uses fixed ring, and 2-section pipe body is inserted into fixed ring respectively, so that in the second fastener merging annular groove, second fastener and the first fastener mutually block, to realize the connection of tube body, which stablizes, and installs simple；The inner tube of the utility model is provided with several cable aperture, places cable in cable aperture, to realize the separated layout of cable, can be avoided the winding of cable, preferably protects cable, and inner tube structure is simple, stablizes；The outer surface of the outer tube of the utility model is provided with convex sets, and after tube body is embedded to underground, the protrusion of convex sets is inserted into soil, increases the contact area of tube body and soil, so that increasing friction force, ensure that tube body in buried stability, protects cable.

Description

A kind of high protective MPP pipe

Technical field

The utility model relates to MPP pipes, and in particular to a kind of high protective MPP pipe.

Background technique

MPP pipe is also known as MPP power cable protecting pipe, is divided into digging type and no-dig technique type, MPP no-dig technique pipe is also referred to as MPP Push pipe or support trombone slide.MPP pipe uses modified polypropene for main raw material(s).Have the characteristics that resistant to high temperatures, proof to external pressure, is suitable for 10KV or less high voltage transmission line cable duct bank tubing.

Existing MPP pipe still has some problems when in use: (1) since cable at a distance transmit electric energy, because This needs to meet the length of cable to the length of MPP pipe, is to be attached more piece MPP pipe in actual use, to reach Required length, existing connection type generally uses hot-melt adhesive paste, but needs centreline correction before hot-melt adhesive paste, ability Machining accuracy is improved, and the time that centreline correction needs is longer, connection is unstable, and this adds increased when the connection of MPP pipe Between, reduce work task efficiency.(2) existing MPP pipe is usually an independent hollow body, therefore is managed in a MPP A plurality of cable is placed, affects the decentralization of next cable when storing several cables in pipeline, while when extracting wherein one When bar cable, due to the concentration of other cables, the extraction of cable is affected.There is also novel MPP pipes at present, i.e., in MPP pipe Partition, the components such as grid are set, multiple spaces will be divided into pipe, then places cable in each space, but partition, lattice The modular constructions such as grid are simple, and after the MPP pipe range time being embedded to underground, and the feelings such as fracture, corrosion easily occur for partition, grid Condition causes the effect of partition, grid etc. to be failed, and in actual production process, the components such as setting partition, grid in MPP is managed And it is extremely cumbersome and inconvenient, improve production cost.(3) existing MPP pipe is general cylindrical, the outer surface of MPP pipe compared with Be it is smooth, cause MPP pipe be embedded to underground after, stability is lower, it may occur that offset, rotation situations such as so that the cable in pipe is same Situations such as step shifts, rotates, to destroy cable.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of high protective MPP pipe.

A kind of high protective MPP pipe, including tube body, spring net network layers, cable aperture, fixed ring, waterproofing protection casing, institute The tube body stated includes outer tube, inner tube, and the outer surface of outer tube is provided with several convex sets, and the protrusion of the convex sets is around outer tube week To being uniformly distributed, outer tube is internally provided with spring net network layers, and the spring net network layers include multiple branches, the end part of branch Not Lian Jie the inner wall of outer tube and the outer wall of waterproofing protection casing, the waterproofing protection casing is internally provided with inner tube, it is described in Several cable aperture are provided in pipe, bevelled first fastener is arranged in the outer tube end, and the side of the first fastener is provided with annular groove, Bevelled second fastener is arranged in the two sides of the fixed ring, and second fastener is adapted with the first fastener, in fixed ring Between position be equipped with sealing ring.

Preferably, the protrusion of the convex sets is in coniform.

Preferably, the side of the sealing ring is adapted with the inclined-plane of the first fastener.

Preferably, talcum powder is uniformly coated in the cable aperture.

The good effect of the utility model is as follows:

1. the utility model uses fixed ring, 2-section pipe body is inserted into fixed ring respectively, so that the second fastener is placed in In annular groove, the second fastener and the first fastener are mutually blocked, to realize the connection of tube body, which stablizes, and installs Simply.

2. the inner tube of the utility model is provided with several cable aperture, cable is placed in cable aperture, to realize point of cable Layout is opened, can be avoided the winding of cable, preferably protects cable, and inner tube structure is simple, stablizes.

3. the outer surface of the outer tube of the utility model is provided with convex sets, after tube body is embedded to underground, the protrusion of convex sets It is inserted into soil, increases the contact area of tube body and soil, so that increasing friction force, ensure that tube body buried steady It is qualitative, protect cable.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is structural schematic diagram when the utility model connects

Fig. 3 is the structural schematic diagram of the utility model tube body cross section.

Fig. 4 is the structural schematic diagram in the utility model fixed ring section.

In figure: outer tube 1, inner tube 2, spring net network layers 3, cable aperture 4, fixed ring 5, convex sets 6, waterproofing protection casing 7, One fastener 11, annular groove 12, the second fastener 51, sealing ring 52.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It please refers to shown in Fig. 1-4, a kind of high protective MPP pipe, including tube body, spring net network layers 3, cable aperture 4, fixation Ring 5, waterproofing protection casing 7, the tube body include outer tube 1, inner tube 2, and the outer surface of outer tube 1 is provided with several convex sets 6, The protrusion of the convex sets 6 is circumferentially uniformly distributed around outer tube 1, and outer tube 1 is internally provided with spring net network layers 3, when tube body is received When to external force, spring net network layers 3 can absorb external force and carry out deformation, to protect tube body, the spring net network layers 3 include multiple Branch, the end of branch are separately connected the inner wall of outer tube 1 and the outer wall of waterproofing protection casing 7, the waterproofing protection casing 7 it is interior Portion is provided with inner tube 2, and after tube body is embedded to underground for a period of time, when leak occurs for outer tube 1, waterproofing guaranteeding jacket 7 being capable of effective protection Inner tube 2 is provided with several cable aperture 4 in said inner tube 2, and for cable aperture 4 for placing cable, 1 end of outer tube is provided with inclined-plane The first fastener 11, the side of the first fastener 11 is provided with annular groove 12, the two sides setting bevelled second of the fixed ring 5 Fastener 51, second fastener 51 are adapted with the first fastener 11, and 2-section pipe body is inserted into the two sides of fixed ring 5 respectively, so that the Two fasteners 51 are placed in annular groove 12, and the second fastener 51 and the first fastener 11 mutually block, thus realize the connection of tube body, Gu The intermediate position for determining ring 5 is equipped with sealing ring 52, and the two sides of sealing ring 52 connect outer tube 1, play position-limiting action to outer tube 1, and And sealing ring 52 can play sealing function, improve the sealing performance of 1 junction of outer tube, thus the hair for situations such as avoiding leak It is raw.

As a kind of technical optimization scheme of the utility model, the protrusions of the convex sets 6 is in coniform, when tube body buries After entering underground, the protrusion of convex sets 6 is inserted into soil, increases the contact area of tube body and soil, so that increasing friction force, is protected Tube body has been demonstrate,proved in buried stability, has protected cable.

As a kind of technical optimization scheme of the utility model, the side of the sealing ring 52 is oblique with the first fastener 11 Face is adapted.

As a kind of technical optimization scheme of the utility model, it is uniformly coated with talcum powder in the cable aperture 4, it is described Talcum powder can be improved the smoothness of cable aperture 4, to prevent cable surface when cable pull to be worn, to protect cable.

When the utility model is used, a section tube body is inserted into fixed ring 5 first, pass through the first fastener 11 and the second card The inclined-plane of part 51 cooperates, meanwhile, spring net network layers 3 are carried out recessed deformation by external force, so that the first fastener 11 is caught in In fixed ring 7, the second fastener 51 is placed in annular groove 12, meanwhile, sealing ring 52 plays position-limiting action to the first fastener 11, real The clamping of existing fixed ring 7 and tube body realizes the connection of 2-section pipe body in the other side that another section tube body is caught in fixed ring 7；

After tube body is attached according to actual needs, it is passed through cable in 2 cable aperture 4 in pipe, in the present embodiment There are four cable aperture 4 for setting, can be respectively placed in a plurality of cable in four cable aperture, can be avoided the winding of a plurality of cable, Protect cable；

After tube body is embedded to underground, the protrusion of the convex sets 6 on 1 surface of outer tube is inserted into soil, increases tube body and soil Contact area ensure that tube body in buried stability thus increasing friction force, protect cable, in the present embodiment, One section tube body is equipped with two groups of convex sets 6.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims

1. a kind of high protective MPP pipe, which is characterized in that including tube body, spring net network layers (3), cable aperture (4), fixed ring (5), waterproofing protection casing (7), the tube body include outer tube (1), inner tube (2), and the outer surface of outer tube (1) is provided with several convex It rises group (6), the protrusion of the convex sets (6) is circumferentially uniformly distributed around outer tube (1), and outer tube (1) is internally provided with spring net Network layers (3), the spring net network layers (3) include multiple branches, and the end of branch is separately connected the inner wall of outer tube (1) and waterproof is protected The outer wall of protecting pipe (7), being internally provided with inner tube (2) for the waterproofing protection casing (7), is provided with several in said inner tube (2) Bevelled first fastener (11) is arranged in cable aperture (4), outer tube (1) end, and the side of the first fastener (11) is provided with annular Bevelled second fastener (51), second fastener (51) and the first fastener is arranged in the two sides of slot (12), the fixed ring (5) (11) it is adapted, the intermediate position of fixed ring (5) is equipped with sealing ring (52).

2. a kind of high protective MPP pipe according to claim 1, it is characterised in that: the protrusion of the convex sets (6) In coniform.

3. a kind of high protective MPP pipe according to claim 1, it is characterised in that: the side of the sealing ring (52) Face is adapted with the inclined-plane of the first fastener (11).

4. a kind of high protective MPP pipe according to claim 1, it is characterised in that: in the cable aperture (4) uniformly It is coated with talcum powder.