CN209150654U

CN209150654U - A kind of anticollision MPP power cable protecting pipe

Info

Publication number: CN209150654U
Application number: CN201822217561.3U
Authority: CN
Inventors: 喻国深
Original assignee: Zhejiang Qianda Pipe Industry Co Ltd
Current assignee: Zhejiang Qianda Pipe Industry Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2019-07-23
Anticipated expiration: 2028-12-27

Abstract

The utility model discloses a kind of anticollision MPP power cable protecting pipes, including interior tube body and outer tube, and hollow layer is equipped between said inner tube body and outer tube, is filled in the hollow layer and reinforces buffer structure.Outside the advantages that MPP pipe inherits high electric insulation, proof to external pressure, by the setting of π type buffer structure and elastic overcoat pipe, the impact resistance and heat-insulating capability of tubing are effectively enhanced, improves tubing for the protective capability of cable；And the setting of elastic overcoat pipe reduces operation difficulty, improves efficiency so that tubing flattens smooth when installing and putting at stress.

Description

A kind of anticollision MPP power cable protecting pipe

Technical field

The utility model relates to a kind of plastic pipe, in particular to a kind of MPP power cable protecting pipes.

Background technique

MPP power cable protecting pipe is the tubing that a kind of modified polypropene is main material, with it is good it is electrical absolutely The advantages that edge, resistant to high temperatures, proof to external pressure, it is widely used as the protection tubing of high-voltage power transmission cable.But traditional MPP Guan Yuqi Its tubing is the same in the case where considering production difficulty and cost, selects the simple bellows of structure or solid wall pipe structure, so that The anticollision impact resistance of MPP pipe is undesirable, is still easy to appear a certain proportion of rupture in actual use, and in storage and transportation With need to reduce efficiency by certain auxiliary fixing device, improve cost in installation process.

Utility model content

The purpose of this utility model is to provide for a kind of anticollision MPP power cable protecting pipe, which inherits high electricity Draw last breath edge, proof to external pressure the advantages that outside, by the setting of π type buffer structure and elastic overcoat pipe, effectively enhance the anti-impact of tubing Ability and heat-insulating capability are hit, improves tubing for the protective capability of cable；And the setting of elastic overcoat pipe is so that tubing It flattens at stress when installing and putting smooth, reduces operation difficulty, improve efficiency.

In order to achieve the above object, the utility model provides following technical solution: a kind of anticollision MPP power cable protection Pipe, including interior tube body and outer tube are equipped with hollow layer, are filled with and reinforce in the hollow layer between said inner tube body and outer tube Buffer structure, the buffer structure of reinforcing includes several along the extension of tube body axial length and circumferentially distributed π type buffer structure, institute Stating π type buffer structure includes bearing plate, left elastic supporting plate, right elastic supporting plate, the bearing plate, left elastic supporting plate and the right side The inside of elastic supporting plate is equipped with V-type stiffening plate, is equipped with wedge block between the adjacent bearing plate.

It is further preferred that the π type buffer structure is adhered to the inner wall of outer tube, the outer wall of interior tube body is abutted.

It is further preferred that the V-type stiffening plate tip abut bearing plate inside, both ends respectively with left resilient support Plate, right elastic supporting plate are mutually fixed.

It is further preferred that the radian of the bearing plate is identical as outer tube.

It is bent in an arc shape it is further preferred that the left elastic supporting plate is equipped with outside left increasing cunning, the right resilient support Plate is equipped with outside right increasing cunning and is bent in an arc shape.

The utility model has the beneficial effects that outside the advantages that MPP pipe inherits high electric insulation, proof to external pressure, it is slow by π type Rush the setting of structure and elastic overcoat pipe, effectively enhance the impact resistance and heat-insulating capability of tubing, improve tubing for The protective capability of cable；And setting smooth, reduction so that tubing flattens at stress when installing and putting of elastic overcoat pipe Operation difficulty, improves efficiency.

Detailed description of the invention

Attached drawing 1 is the cross-sectional view of the protection pipe.

Attached drawing 2 is the schematic diagram of the π type buffer structure.

Attached drawing 3 is the connection status figure between the π type buffer structure.

Marginal data: 1, interior tube body；2, outer tube；3, hollow layer；4, reinforce buffer structure；5, π type buffer structure；51, Bearing plate；52, left elastic supporting plate；53, right elastic supporting plate；54, V-type stiffening plate；55, wedge block；521, left increasing slip circle shape Bending；531, right increasing cunning is bent in an arc shape；541, tip；542, both ends.

Specific embodiment

We do further a kind of anticollision MPP power cable protecting pipe described in the utility model in conjunction with attached drawing below Explanation.

As shown in Figure 1 to Figure 3, a kind of anticollision MPP power cable protecting pipe of the present embodiment, including interior tube body 1 and outer Casing 2 is equipped with hollow layer 3, is filled in the hollow layer 3 and reinforces buffer structure 4, institute between said inner tube body 1 and outer tube 2 It states and reinforces buffer structure 4 including several along the extension of tube body axial length and circumferentially distributed π type buffer structure 5, the π type buffering Structure 5 includes bearing plate 51, left elastic supporting plate 52, right elastic supporting plate 53, the bearing plate 51,52 and of left elastic supporting plate The inside of right elastic supporting plate 53 is equipped with V-type stiffening plate 54, is equipped with wedge block 55 between the adjacent bearing plate 51.The π Type buffer structure 5 is adhered to the inner wall of outer tube 2, abuts the outer wall of interior tube body 1.The tip 541 of the V-type stiffening plate 54 abuts The inside of bearing plate 51, both ends 542 are fixed with left elastic supporting plate 52,53 phase of right elastic supporting plate respectively.The bearing plate 51 Radian it is identical as outer tube 2.The left elastic supporting plate 52 is equipped with outside left increasing cunning and is bent in an arc shape 521, the right elasticity Support plate 53 is equipped with outside right increasing cunning and is bent in an arc shape 531.

The service condition of the protection pipe is as follows: interior tube body 1, outer tube 2 and reinforcement buffer structure 4 are individually produced respectively Afterwards, after outer tube 2 being set in outside interior tube body 1, buffer structure 4 will be reinforced and be inserted into hollow layer 3, tubing combination is completed； Reinforcement buffer structure 4 can also be first passed through the modes such as viscous to be connected with outer tube 2, then total is set in interior tube body 1 outside.The MPP power cable protecting pipe of conventional structure is after being impacted, the tube wall meeting indent of shock point, if impact force It is excessive, then it can be more than that the power limit of tube wall cause tube wall to rupture, in the case that the stress point of especially tube wall is less than normal, pressure can be compared with Greatly；By outer tube 2 and reinforce the setting of buffer structure 4, after tube wall is by impact force, be outer tube 2 first to stress into The certain buffering of row, then impact force is transmitted to π type buffer structure 5,51 stress of bearing plate, impact force elastic supporting plate 52 to the left It being transmitted with right elastic supporting plate 53, left elastic supporting plate 52 unloads power to left dislocation, and right elastic supporting plate 53 is displaced unloads power to the right, from And reduce the pressure that interior tube body 1 is subject to, and the impact force that point is subject to expands face, the pressure that unit area is subject to is reduced, thus The probability for reducing tubing rupture, improves anticollision, protecting against shock performance；And bearing plate can be improved in the setting of V-type stiffening plate 54 51 bearing capacity avoids beat of middle position stress more and fractures, and both ends 542 are separately connected fixed left increasing cunning and are bent in an arc shape 521 531 are bent in an arc shape with right increasing cunning, is conducive to for the impact force that bearing plate 51 is subject to being transmitted to and unloads power position.Wherein, outer tube 2 can With using materials such as flexible plastic or rubber, π type buffer structure 5 can use metal material or plastic material, and bearing plate 51 Thickness be greater than left elastic supporting plate 52 and right elastic supporting plate 53, convenient for the receiving and transmitting of impact force, left increasings cunning curved bend Folding 521 and it is right increase it is sliding be bent in an arc shape 531 and can add the sliding coating of increasing or metal gasket, ceramic gasket with the junction of interior tube body 1, Reduce the friction with interior tube body 1, improves displacement and unload power effect.Interior tube body 1 uses MPP material.

The protection scope of the utility model is not limited to above embodiments and its transformation.Those skilled in that art are with this implementation Conventional modification and replacement are carried out based on the content of example, belong to the protection category of the utility model.

Claims

1. a kind of anticollision MPP power cable protecting pipe, it is characterised in that: including interior tube body and outer tube, said inner tube body and outer It is equipped with hollow layer between casing, is filled in the hollow layer and reinforces buffer structure, the reinforcement buffer structure includes several edges Tube body axial length extends and circumferentially distributed π type buffer structure, the π type buffer structure include bearing plate, left resilient support Plate, right elastic supporting plate, the inside of the bearing plate, left elastic supporting plate and right elastic supporting plate is equipped with V-type stiffening plate, described Wedge block is equipped between adjacent bearing plate.

2. a kind of anticollision MPP power cable protecting pipe according to claim 1, it is characterised in that: the π type buffer structure It is adhered to the inner wall of outer tube, abuts the outer wall of interior tube body.

3. a kind of anticollision MPP power cable protecting pipe according to claim 1, it is characterised in that: the V-type stiffening plate Tip abuts the inside of bearing plate, and both ends are mutually fixed with left elastic supporting plate, right elastic supporting plate respectively.

4. a kind of anticollision MPP power cable protecting pipe according to claim 1, it is characterised in that: the arc of the bearing plate It spends identical as outer tube.

5. a kind of anticollision MPP power cable protecting pipe according to claim 1, it is characterised in that: the left resilient support Plate is equipped with outside left increasing cunning and is bent in an arc shape, and the right elastic supporting plate is equipped with outside right increasing cunning and is bent in an arc shape.