CN211958727U

CN211958727U - Buried power cable protection device

Info

Publication number: CN211958727U
Application number: CN202020619659.6U
Authority: CN
Inventors: 田海涛; 王璐; 李晓光; 田松震; 袁琳华; 马飞; 崔佳佳; 毕智勇; 边俊霞; 马丽; 赵双峰
Original assignee: State Grid Henan Electric Power Company Yanling County Power Supply Co
Current assignee: State Grid Henan Electric Power Company Yanling County Power Supply Co
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-17
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a buried electric power cable protection device, including the cable conductor, still including cup jointing the outer protective housing that sets up on the cable conductor outer wall, be provided with the support on the outer wall of outer protective housing, the outside of support is fixed and is provided with the exocuticle, evenly nested a plurality of fixed frame on the outer wall of exocuticle, set up the recess with support looks adaptation on the inner wall of fixed frame, the support can be in the joint in the recess, the inner circle both ends of fixed frame are provided with fixed eaves, fixed frame nestification is after on the exocuticle, be provided with the pyrocondensation pipe between two adjacent fixed eaves on two fixed frames, the outer wall of fixed eaves is fixed; generally, the utility model has the advantages of the protecting effect is good, be convenient for maintain, reduce labour cost.

Description

Buried power cable protection device

Technical Field

The utility model belongs to the technical field of the cable protection, concretely relates to bury formula power cable protection device.

Background

In the installation process of the buried power cable, because the problems of overlarge overall span, smaller tensile strength, easy corrosion under the ground and the like exist, the internal cable is easily damaged, so that the communication interruption condition is easy to occur, and great troubles are caused for daily life, and in the existing buried power protective sleeve with the application number of CN201821847578.0, the integrally built-in protective sleeve is adopted to protect the cable, but the integrally built-in design adopted by the protective sleeve is not only very inconvenient, but also after the condition of external damage occurs, the maintenance and replacement of the internal components are very difficult, so that the buried power cable protection device is necessary to solve the problems and improve the protection effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bury formula power cable protection device to solve the problem of how to improve the protection effect to the cable that proposes among the above-mentioned background art.

The purpose of the utility model is realized like this: the utility model provides a bury formula power cable protection device, includes the cable conductor, still including cup jointing the outer protective housing of setting on the cable conductor outer wall, be provided with the support on the outer wall of outer protective housing, the fixed exocuticle that is provided with in the outside of support, the nested fixed frame that has a plurality of on the outer wall of exocuticle, set up the recess with support looks adaptation on the inner wall of fixed frame, the support can the joint in the recess, the inner circle both ends of fixed frame are provided with fixed eaves, fixed frame nestification is provided with the pyrocondensation pipe on two fixed frames between two adjacent fixed eaves, the outer wall of the fixed eaves of pyrocondensation pipe fixed connection.

The support can set up on the outer wall of outer protective housing with integrated into one piece, and can set up to four to evenly distributed is on the outer wall of outer protective housing.

The outer protective shell and the outer skin can adopt PE pipes.

The fixed frame can adopt the fixed frame of rubber system, the inside cavity that is provided with of fixed frame, be provided with the triangle-shaped support frame in the cavity, the triangle-shaped support frame can be for even setting up in the cavity, with fixed frame integrated into one piece's rubber support frame.

The outer wall of the fixed eave is bonded with a hot melt adhesive layer, and the heat shrink tube is bonded with the fixed eave through the hot melt adhesive layer.

The inner wall of the fixed brim is provided with a snap ring, and the outer wall of the outer skin is provided with a clamping groove matched with the snap ring.

The utility model has the advantages that:

(1) the utility model discloses in through with cable conductor and outer protective housing built-in to be equipped with the support and cup jointed the ectoderm in the outside of outer protective housing, improve the cable conductor protection effect to inside, simultaneously, press from both sides tightly inboard cable conductor through external fixed frame cooperation support, thereby realize sectional type's supporting effect, improved the tensile strength of cable, and reduce the speed that the inboard is corroded, prolong the life of cable conductor, and wholly external, be convenient for restore the damaged position of outer wall, avoided inboard device to appear damaging the inconvenient problem of maintenance emergence that leads to;

(2) the utility model discloses an outmost pyrocondensation pipe that is equipped with when realizing pyrocondensation fixed seal and protection effect through the pyrocondensation pipe, extrude its inboard external fixation frame and support to the atress to the cable conductor has been driven, thereby has guaranteed that the fixed frame is the boundary outside the cable conductor, realizes the tensile dynamics of every section cable conductor self, improves the protecting effect, and it is external, be convenient for maintain and change.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic structural view of the fixing frame of the present invention.

In the figure: 1. the cable comprises a cable 2, an outer protective shell 3, a support 4, an outer skin 5, a fixing frame 6, a fixing brim 7, a heat shrinkable tube 8 and a triangular support frame.

Detailed Description

The technical scheme of the utility model is further explained in detail with the attached drawings.

As shown in fig. 1, fig. 2 and fig. 3, a buried power cable protection device includes a cable 1 and further includes an outer protection shell 2 sleeved on the outer wall of the cable 1, before the power cable is buried, the cable 1 needs to be penetrated through the outer protection shell 2, and the cable 1 is normally assembled and protected under the protection effect of the outer protection shell 2.

Wherein, be provided with the support 3 on the outer wall of outer protective housing 2, support 3 can set up on the outer wall of outer protective housing 2 with integrated into one piece, and can set up to four, and evenly distributed on the outer wall of outer protective housing 2, and four sides all around on the outer wall of outer protective housing 2 are integrated into one piece have support 3, the outside of support 3 is fixed and is provided with outer skin 4, outer skin 4 can be fixed on the outer wall of support 3 through the bonding, preferably, outer protective housing 2 and outer skin 4 can adopt the PE pipe to realize, nested a plurality of fixed frame 5 on the outer wall of outer skin 4, seted up the recess with support 3 looks adaptation on the inner wall of fixed frame 5, support 3 can the joint in the recess, when fixed frame 5 is fixed, through moving and rotating fixed frame 5, adjust its position on outer skin 4, make recess and support 3 matching joint on its inner wall, wherein, preferably, there is convex contact at the top integrated into one piece of support 3, fixed frame 5 carries out the adaptation joint through the recess of seting up on it and the convex contact on the support 3 when the installation, thereby accomplish the fixed connection to fixed frame 5, and played the clamping action to exocuticle 4 simultaneously, the atress of exocuticle 4 and cable conductor 1 self has been improved, the tensile dynamics of cable conductor 1 and exocuticle 4 self has also been improved, the service life is prolonged, when dismantling, also can cut the dismantlement by the manual work.

Wherein, the two ends of the inner ring of the fixing frame 5 are provided with fixing eaves 6, the fixing frame 5 is nested on the outer skin 4, a heat shrink tube 7 is arranged between two adjacent fixing eaves 6 on the two fixing frames 5, the heat shrink tube 7 is fixedly connected with the outer wall of the fixing eaves 6, so as to realize the clamping and fixing effect on the fixing eaves 6 and the fixing frame 5, thereby improving the tensile strength of the segmented cable 1 after the cable 1 is stressed, prolonging the service life of the whole body and improving the protection effect, the outer wall of the fixing eaves 6 is bonded with a hot melt adhesive layer, the heat shrink tube 7 is bonded with the fixing eaves 6 through the hot melt adhesive layer, further improving the connecting and fixing strength among the fixing frames 5, the fixing eaves 6 and the heat shrink tube, preferably, a clamping ring is arranged on the inner wall of the fixing eaves 6, a clamping groove matched with the clamping ring is arranged on the outer wall of the outer skin 4, through the setting of the snap ring on the fixed eaves 6 and the draw-in groove on the outer skin 4, can improve the counterpoint precision between fixed frame 5 and the support 3, avoid appearing the deviation and lead to the supporting effect to descend.

Wherein, fixed frame 5 can adopt the fixed frame 5 of rubber system, the inside cavity that is provided with of fixed frame 5, be provided with triangle-shaped support frame 8 in the cavity, triangle-shaped support frame 8 can be for even setting up in the cavity, with fixed frame 5 integrated into one piece's rubber support frame, preferred, still be provided with friction portion on fixed frame 5's outer wall, realize supporting fixed effect to through fixed frame 5 of rubber system, be convenient for transmit the elimination to stress, improve the protection effect, and when burying, improve fixed dynamics through friction portion.

When the utility model is implemented, firstly the cable 1 is penetrated in the outer protective shell 2, the fixing frame 5 is moved and rotated, the position of the cable on the outer surface 4 is adjusted, the groove on the inner wall is matched and clamped with the bracket 3, thereby the fixed connection of the fixing frame 5 is completed, and the outer surface 4 is clamped at the same time, the thermal shrinkage pipe 7 is fixed on the fixed eave 6 under the action of high temperature, in the deformation process, the fixing frame 5 is driven to deform by extrusion, the force is transmitted by the bracket 3, the cable 1 and the outer protective shell 2 are supported and fixed in a sectional type, and the tensile strength between each section of cable 1 is improved by improving the fixing strength, thereby the overall protection effect of the cable 1 is improved, and by adopting the thermal shrinkage pipe 7, the cable has the advantages of insulation, corrosion prevention, wear resistance and the like, after being damaged, the thermal shrinkage pipe piece is convenient to wrap up through the, and the damaged position is repaired by means of bonding and the like, so that the situation that the protective equipment is completely arranged in the protective equipment is avoided, large-scale cutting and maintenance are not needed after the protective equipment is damaged, and the labor cost is effectively reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a bury formula power cable protection device, includes cable conductor (1), its characterized in that: still including cup jointing outer protective housing (2) of setting on cable conductor (1) outer wall, be provided with support (3) on the outer wall of outer protective housing (2), the fixed outer skin (4) that is provided with in the outside of support (3), the fixed frame (5) of a plurality of have nested on the outer wall of outer skin (4), set up the recess with support (3) looks adaptation on the inner wall of fixed frame (5), support (3) can the joint in the recess, the inner circle both ends of fixed frame (5) are provided with fixed eaves (6), fixed frame (5) nestification back on outer skin (4), are provided with pyrocondensation pipe (7) on two fixed frames (5) between two adjacent fixed eaves (6), the outer wall of the fixed eaves (6) of pyrocondensation pipe (7) fixed connection.

2. A buried power cable protection device as claimed in claim 1, wherein: the support (3) can be arranged on the outer wall of the outer protective shell (2) in an integrated forming mode, can be arranged to be four, and is uniformly distributed on the outer wall of the outer protective shell (2).

3. A buried power cable protection device as claimed in claim 1, wherein: the outer protective shell (2) and the outer skin (4) can adopt PE pipes.

4. A buried power cable protection device as claimed in claim 1, wherein: fixed frame (5) can adopt the fixed frame of rubber system, the inside cavity that is provided with of fixed frame (5), be provided with triangle-shaped support frame (8) in the cavity, triangle-shaped support frame (8) can be for even setting up in the cavity, with fixed frame (5) integrated into one piece's rubber support frame.

5. A buried power cable protection device as claimed in claim 1, wherein: the outer wall of the fixed eave (6) is bonded with a hot melt adhesive layer, and the heat shrink tube (7) is bonded with the fixed eave (6) through the hot melt adhesive layer.

6. A buried power cable protection device as claimed in claim 1, wherein: the inner wall of the fixed eave (6) is provided with a clamping ring, and the outer wall of the outer skin (4) is provided with a clamping groove matched with the clamping ring.