CN205791314U

CN205791314U - A kind of MPP power pipe

Info

Publication number: CN205791314U
Application number: CN201620516616.9U
Authority: CN
Inventors: 朱加荣; 虞敏
Original assignee: RONGCHENG PIPE INDUSTRY Co Ltd
Current assignee: RONGCHENG PIPE INDUSTRY Co Ltd
Priority date: 2016-06-01
Filing date: 2016-06-01
Publication date: 2016-12-07
Anticipated expiration: 2026-06-01

Abstract

The utility model discloses a kind of MPP power pipe, including tube body, the inwall top of described tube body is provided with locating piece, described locating piece is inlaid with ball away from the one side of tube body, being fixedly connected with ring block bottom the inwall of described tube body, and the top of ring block is installed with expansion link, described expansion link is fixedly connected with U-shaped torr away from one end of ring block, the inside of described U-shaped torr is provided with cushion pad, and described tube body includes inner and outer tubes.This MPP power pipe, by the improvement to tube body, improves the fastness of tube body self; effectively cable is protected, the setting of buffer unit, when pull cable; do not only reach the protected effect to tube body, but also reach the protected effect to cable；Locating piece, ball, ring block, expansion link, U-shaped torr and cushion pad with the use of, when pull cable, further up to the protected effect to cable, it is to avoid injury cable caused when pull.

Description

A kind of MPP Power pipe

Technical field

This utility model relates to tubing technical field, is specially a kind of MPP power pipe.

Background technology

MPP power pipe is divided into digging type and no-dig technique type, MPP no-dig technique pipe to be also referred to as MPP push pipe or torr trombone slide.MPP power pipe uses modified polypropene to be main raw material(s).There is the feature of high temperature resistance, proof to external pressure, it is adaptable to more than 10KV high voltage transmission line cable duct bank tubing.In use, heat dispersion is poor for existing MPP power pipe, and is not easy to safeguard.

China's publication, the patent No.: CN 205016979 U, it is proposed that a kind of MPP power pipe, including the body being made up of MMP, axially arranged curved splint it is provided with in the passage of body, it is provided with axially spaced-apart between curved splint outer arc portion and body to arrange and equally distributed resilient support assemblies, resilient support assemblies includes two symmetrically arranged springs, spring lays respectively at curved splint both sides, spring one end is installed in curved splint outer arc portion by firm banking, and the spring other end is connected with body by demountable structure.This power pipe has heat radiation, the prevention aging and measuring body effect of cable, but still there is certain defect in this patent, such as when pull cable, easily causes the breakage of power pipe, can not thoroughly reach the effect that fastness is strong, and easily the surface of cable be damaged when pull cable.

Utility model content

The purpose of this utility model is to provide a kind of MPP power pipe, with the problem solving to propose in above-mentioned background technology.

For achieving the above object, this utility model following technical scheme of offer: a kind of MPP power pipe, including tube body, the inwall top of described tube body is provided with locating piece, described locating piece is inlaid with ball away from the one side of tube body, it is fixedly connected with ring block bottom the inwall of described tube body, and the top of ring block is installed with expansion link, described expansion link is fixedly connected with U-shaped torr away from one end of ring block, the inside of described U-shaped torr is provided with cushion pad, described tube body includes inner and outer tubes, space is left between said inner tube and outer tube, and space is provided with buffer unit, described buffer unit includes upper bush and lower sleeve, connected by buffer bar between described upper bush and lower sleeve, around being provided with damping spring on described buffer bar, the outer surface of described outer tube is installed with layer of rubber particles.

Preferably, described locating piece offering the groove matched with ball, the quantity of described ball is no less than nine, and ball is equidistantly located on locating piece.

Preferably, described expansion link is provided with back-moving spring.

Preferably, the quantity of described buffer unit is no less than eight, and buffer unit is with in the array distribution space between the inner and outer pipe sections of annular.

Preferably, the top of described upper bush is fixing with the inwall of outer tube to be connected, and the bottom of described lower sleeve is fixing with the outer surface of inner tube to be connected.

Compared with prior art; the beneficial effects of the utility model are: this MPP power pipe; simple in construction and there is the effect that fastness is strong; by the improvement to tube body, improve the fastness of tube body self, effectively cable is protected; the setting of buffer unit; when pull cable, do not only reach the protected effect to tube body, but also reached the protected effect to cable；Locating piece, ball, ring block, expansion link, U-shaped torr and cushion pad with the use of, when pull cable, further up to the protected effect to cable, it is to avoid injury cable caused when pull.

Accompanying drawing explanation

Fig. 1 is this utility model structural representation；

Fig. 2 is the structure sectional view of this utility model tube body；

Fig. 3 is the structural representation of this utility model buffer unit.

In figure: 1 tube body, 101 inner tubes, 102 outer tubes, 2 locating pieces, 3 balls, 4 ring blocks, 5 expansion links, 6 U-shaped torr, 7 cushion pads, 8 buffer units, 81 upper bushes, 82 lower sleeves, 83 buffer bars, 84 damping springs, 9 layer of rubber particles.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.

nullRefer to Fig. 1-3，A kind of technical scheme of this utility model offer: a kind of MPP power pipe，Including tube body 1，The inwall top of tube body 1 is provided with locating piece 2，The groove matched with ball 3 is offered on locating piece 2，The quantity of ball 3 is no less than nine，And ball 3 is equidistantly located on locating piece 2，Locating piece 2 is inlaid with ball 3 away from the one side of tube body 1，Ball 3 facilitates the rolling of cable，Ring block 4 it is fixedly connected with bottom the inwall of tube body 1，And the top of ring block 4 is installed with expansion link 5，Expansion link 5 is provided with back-moving spring，Expansion link 5 is fixedly connected with U-shaped torr 6 away from one end of ring block 4，The inside of U-shaped torr 6 is provided with cushion pad 7，Tube body 1 includes inner tube 101 and outer tube 102，Space is left between inner tube 101 and outer tube 102，And space is provided with buffer unit 8，The quantity of buffer unit 8 is no less than eight，And buffer unit 8 is with in the array distribution space between inner tube 101 and outer tube 102 of annular，Buffer unit 8 includes upper bush 81 and lower sleeve 82，Connected by buffer bar 83 between upper bush 81 and lower sleeve 82，Around being provided with damping spring 84 on buffer bar 83，The top of upper bush 81 is fixing with the inwall of outer tube 102 to be connected，The bottom of lower sleeve 82 is fixing with the outer surface of inner tube 101 to be connected，The outer surface of outer tube 102 is installed with layer of rubber particles 9，Layer of rubber particles 9 plays the protected effect to tube body 1.

In sum; this MPP power pipe; simple in construction and there is the effect that fastness is strong; by the improvement to tube body 1, improve the fastness of tube body 1 self, effectively cable is protected; the setting of buffer unit 8; when pull cable, do not only reach the protected effect to tube body 1, but also reached the protected effect to cable；Locating piece 2, ball 3, ring block 4, expansion link 5, U-shaped torr 6 and cushion pad 7 with the use of, when pull cable, further up to the protected effect to cable, it is to avoid injury cable caused when pull.

Embodiment the most of the present utility model, for the ordinary skill in the art, being appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can carry out multiple change, revise, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

null1. a MPP power pipe，Including tube body (1)，It is characterized in that: the inwall top of described tube body (1) is provided with locating piece (2)，Described locating piece (2) is inlaid with ball (3) away from the one side of tube body (1)，Ring block (4) it is fixedly connected with bottom the inwall of described tube body (1)，And the top of ring block (4) is installed with expansion link (5)，Described expansion link (5) is fixedly connected with U-shaped torr (6) away from one end of ring block (4)，The inside of described U-shaped torr (6) is provided with cushion pad (7)，Described tube body (1) includes inner tube (101) and outer tube (102)，Space is left between said inner tube (101) and outer tube (102)，And space is provided with buffer unit (8)，Described buffer unit (8) includes upper bush (81) and lower sleeve (82)，Connected by buffer bar (83) between described upper bush (81) and lower sleeve (82)，Described buffer bar (83) is upper around being provided with damping spring (84)，The outer surface of described outer tube (102) is installed with layer of rubber particles (9).
A kind of MPP power pipe the most according to claim 1, it is characterised in that: offering the groove matched with ball (3) on described locating piece (2), the quantity of described ball (3) is no less than nine, and ball (3) is equidistantly located on locating piece (2).
A kind of MPP power pipe the most according to claim 1, it is characterised in that: described expansion link (5) is provided with back-moving spring.
A kind of MPP power pipe the most according to claim 1, it is characterised in that: the quantity of described buffer unit (8) is no less than eight, and buffer unit (8) is with in space between inner tube (101) and outer tube (102) of the array distribution of annular.
A kind of MPP power pipe the most according to claim 1, it is characterised in that: the top of described upper bush (81) is fixing with the inwall of outer tube (102) to be connected, and the bottom of described lower sleeve (82) is fixing with the outer surface of inner tube (101) to be connected.