CN206451539U

CN206451539U - The new skeleton power cable of chain

Info

Publication number: CN206451539U
Application number: CN201720158201.3U
Authority: CN
Inventors: 朱凯
Original assignee: JIANGSU DIHUA CABLE Co Ltd
Current assignee: JIANGSU DIHUA CABLE Co Ltd
Priority date: 2017-02-21
Filing date: 2017-02-21
Publication date: 2017-08-29
Anticipated expiration: 2027-02-21

Abstract

The utility model discloses a kind of new skeleton power cable of chain, belong to field of cable technology, it is low to solve conventional power cable compression strength, easily damaged, the problem of security is low.Mainly include oversheath, cable core, linear backbone is provided between cable core and oversheath, linear backbone is made up of some ring skeletons, and adjacent annular skeleton is flexibly connected using movable connection structure.The utility model structure design is simple and very ingenious, and the compression strength of cable is greatly improved in chain-type skeleton framework, and safety coefficient is high, and service life is long；And the utility model flexibility ratio is high, can arbitrarily convert cable laying direction according to actual geographic environment；The utility model cost of implementation is very low, can be widely applied to technical field of cables.

Description

The new skeleton power cable of chain

Technical field

The utility model belongs to technical field of cables, specifically, more particularly to a kind of skeleton electric power electricity of new chain Cable.

Background technology

Electric wire is the major class electric product for transmitting electric power, transmitting information and realize electromagnetic energy conversion.Electricity Line cable has considerable effect in all economic activities and social activities.It can be said that the place that all someone all living creatures live, All places for having production, traffic and an every activity of economy, all be unable to do without electric wire.According to the statistics made by the departments concerned, in recent years, I The fire that state occurs has half or so by electrically triggering, wherein, the fire ignited by cable fault accounts for electrical fire 40%.It is increasingly sophisticated with civil building engineering distribution system so that the increase of cable consumption, description are numerous and diverse, laying side Formula is varied, further increases cable fault probability.It can be seen that, for reduce civil building engineering in electrical fire generation, Reduce the personal injury and property loss caused by during electric wire burns initiation fire, it is necessary to improve the reliable of electric wire Property.And to be cable be most unable to produced problem for breakage, so cable compression strength is to weigh one of cable reliability major criterion.

At present, to improve cable self-strength, many enterprises are attempted by changing material from the angle of cable material Change the intensity of cable.This improved procedure one side DeGrain, is used for a long time or workman's mounting means is improper, still very Easily cause cable breakdown；The Innovation Input cost of another aspect new material is too high, and output is not directly proportional to input.

The content of the invention

To solve the above problems, the utility model provides a kind of new skeleton power cable of chain.

The utility model is achieved through the following technical solutions：

A kind of skeleton power cable of new chain, it at least includes oversheath and cable core, and the cable core is located at outer In sheath, linear backbone is provided between the cable core and oversheath, the linear backbone is made up of some ring skeletons, and phase Adjacent ring skeleton is flexibly connected using movable connection structure.

Preferably, described be flexibly connected is ball connecting jacket structure, and the ball connecting jacket structure includes spheroid, with opening Spherical shell, preceding skeleton connecting rod, back skeleton connecting rod, one end of the preceding skeleton connecting rod is fixed with previous stage ring skeleton to be connected Connect, the other end is then fixedly connected with the spheroid, and the spheroid is wrapped in the spherical shell, and the spherical shell is through back skeleton connecting rod It is fixedly connected with rear stage ring skeleton.

Preferably, the flexible connection includes prebone frame connector, is connected by bearing pin with the prebone frame connector Back skeleton connector, the head end of the prebone frame connector is fixedly connected with previous stage ring skeleton, the back skeleton connector End be fixedly connected with rear stage ring skeleton.

Preferably, the material of the linear backbone, movable connection structure for low density polyethylene (LDPE) or medium density polyethylene or High density polyethylene (HDPE) or low smoke and zero halogen polyethylene.

Preferably, the cable core is single core type or multi-core type structure.

Preferably, the cable core innermost layer is conductor, and the conductor outer layer is magnetic conduction belt, the magnetic conduction belt outer layer For insulating barrier.

Preferably, the conductor is formed by many one metal wires are stranded.

Preferably, the wire be single bare copper wire or single tinned copper wire or the zinc-plated copper wire of single or single aluminium wire or Single copper-clad aluminum composite wire includes two or more above-mentioned any wire.

Compared with prior art, the beneficial effects of the utility model are：

The utility model structure design is simple and very ingenious, and the anti-of cable is greatly improved in chain-type skeleton framework Compressive Strength, safety coefficient is high, and service life is long；And the utility model flexibility ratio is high, can arbitrarily be converted according to actual geographic environment Cable laying direction；In addition, the utility model cost of implementation is very low, technical field of cables can be widely applied to.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is the utility model chain-like skeletal structure schematic diagram one；

Fig. 3 is enlarged drawing at the utility model Fig. 2 A；

Fig. 4 is the utility model chain-like skeletal structure schematic diagram two；

Fig. 5 is enlarged drawing at the utility model Fig. 4 B.

In figure：1. oversheath；2. cable core；3. linear backbone；4. ring skeleton；5. spheroid；6. spherical shell；7. before skeleton Connecting rod；8. back skeleton connecting rod；9. prebone frame connector；10. back skeleton connector；11. bearing pin.

Embodiment

The utility model is further illustrated below in conjunction with the accompanying drawings：

A kind of skeleton power cable of new chain, it at least includes oversheath 1 and cable core 2, the cable core 2 In in oversheath 1, linear backbone 3 is provided between the cable core 2 and oversheath 1, the linear backbone 3 is by some ring skeletons 4 are constituted, and adjacent annular skeleton 4 is flexibly connected using movable connection structure.

Preferably, described be flexibly connected is ball connecting jacket structure, and the ball connecting jacket structure includes spheroid 5, with opening Spherical shell 6, preceding skeleton connecting rod 7, back skeleton connecting rod 8, one end of the preceding skeleton connecting rod 7 is consolidated with previous stage ring skeleton Fixed connection, the other end is then fixedly connected with the spheroid 5, and the spheroid 5 is wrapped in the spherical shell 6, the bone after of spherical shell 6 Frame connecting rod 8 is fixedly connected with rear stage ring skeleton.

Preferably, the flexible connection includes prebone frame connector 9, connected by bearing pin 11 with the prebone frame connector 9 The back skeleton connector 10 connect, the head end of the prebone frame connector 9 is fixedly connected with previous stage ring skeleton, the back skeleton The end of connector 10 is fixedly connected with rear stage ring skeleton.

Preferably, the material of the linear backbone 3, movable connection structure for low density polyethylene (LDPE) or medium density polyethylene or High density polyethylene (HDPE) or low smoke and zero halogen polyethylene.

Preferably, the cable core 2 is single core type or multi-core type structure.

Preferably, the innermost layer of cable core 2 is conductor, and the conductor outer layer is outside magnetic conduction belt, the magnetic conduction belt Layer is insulating barrier.

Preferably, the conductor is formed by many one metal wires are stranded.

Embodiment 1：

As shown in Figure of description Fig. 1, Fig. 2 and Fig. 3, a kind of new skeleton power cable of chain, it at least includes Oversheath 1 and cable core 2, cable core 2 are located in oversheath 1, and linear backbone 3 is provided between the cable core 2 and oversheath 1, Linear backbone 3 is made up of some ring skeletons 4, and adjacent annular skeleton 4 is flexibly connected using ball connecting jacket structure, and the ball connects Female connector structure includes spheroid 5, the spherical shell 6 with opening, preceding skeleton connecting rod 7, back skeleton connecting rod 8, the preceding skeleton connection One end of bar 7 is fixedly connected with previous stage ring skeleton, and the other end is then fixedly connected with the spheroid 5, and the spheroid 5 is wrapped in In the spherical shell 6, the spherical shell 6 is fixedly connected through back skeleton connecting rod 8 with rear stage ring skeleton.Spheroid 5 is in spherical shell 6 Freedom of movement, and then allow cable according to any adjustment direction of Practical Project laying condition.

Embodiment 2：

As shown in Figure of description 1, Fig. 4 and Fig. 5, a kind of new skeleton power cable of chain, it at least includes outer Sheath 1 and cable core 2, cable core 2 are located in oversheath 1, and linear backbone 3, chain are provided between the cable core 2 and oversheath 1 Shape skeleton 3 is made up of some ring skeletons 4, and adjacent annular skeleton 4 is flexibly connected using movable connection structure, and the activity is even The back skeleton connector 10 that binding structure includes prebone frame connector 9, is connected by bearing pin 11 with the prebone frame connector 9, institute The head end for stating prebone frame connector 9 is fixedly connected with previous stage ring skeleton, the end of the back skeleton connector 10 with it is latter Level ring skeleton is fixedly connected.

Certainly, in any of the above-described embodiment, the linear backbone 3, the material of movable connection structure are low density polyethylene (LDPE) Or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene.

Certainly, in any of the above-described embodiment, the cable core 2 is single core type or multi-core type structure.

Certainly, in any of the above-described embodiment, the innermost layer of cable core 2 is conductor, and the conductor outer layer is magnetic conduction belt, The magnetic conduction belt outer layer is insulating barrier.The conductor is formed by many one metal wires are stranded.The wire is single bare copper wire Or single tinned copper wire or the zinc-plated copper wire of single or single aluminium wire or single copper-clad aluminum composite wire or include above-mentioned any two kinds Or two or more wires.

The utility model structure design is simple and very ingenious, and the anti-of cable is greatly improved in chain-type skeleton framework Compressive Strength, safety coefficient is high；And the utility model flexibility ratio is high, can arbitrarily convert cable laying side according to actual geographic environment To；The utility model cost of implementation is very low, can be widely applied to technical field of cables.

In summary, preferred embodiment only of the present utility model, not implements for limiting the utility model Scope, the equivalent change carried out by all shape, construction, feature and spirit according to described in the utility model right is with repairing Decorations, all should be included in right of the present utility model.

Claims

1. a kind of skeleton power cable of new chain, it at least includes oversheath (1) and cable core (2), the cable core (2) In oversheath (1), it is characterised in that：Linear backbone (3), the chain are provided between the cable core (2) and oversheath (1) Shape skeleton (3) is made up of some ring skeletons (4), and adjacent annular skeleton (4) is flexibly connected using movable connection structure.

2. the skeleton power cable of new chain according to claim 1, it is characterised in that：Described be flexibly connected connects for ball Female connector structure, the ball connecting jacket structure includes spheroid (5), the spherical shell (6) with opening, preceding skeleton connecting rod (7), back skeleton Connecting rod (8), one end of the preceding skeleton connecting rod (7) is fixedly connected with previous stage ring skeleton, the other end then with the ball Body (5) is fixedly connected, and the spheroid (5) is wrapped in the spherical shell (6), and the spherical shell (6) is through back skeleton connecting rod (8) with after One-level ring skeleton is fixedly connected.

3. the skeleton power cable of new chain according to claim 1, it is characterised in that：Before the flexible connection includes Skeleton connector (9), the back skeleton connector (10) being connected by bearing pin (11) with the prebone frame connector (9), it is described before The head end of skeleton connector (9) is fixedly connected with previous stage ring skeleton, the end of the back skeleton connector (10) with it is latter Level ring skeleton is fixedly connected.

4. the skeleton power cable of new chain according to claim 1, it is characterised in that：The linear backbone (3), work The material of dynamic attachment structure is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene.

5. the skeleton power cable of new chain according to claim 1, it is characterised in that：The cable core (2) is single Core type or multi-core type structure.

6. the skeleton power cable of new chain according to claim 1 or 5, it is characterised in that：The cable core (2) is most Internal layer is conductor, and the conductor outer layer is magnetic conduction belt, and the magnetic conduction belt outer layer is insulating barrier.

7. the skeleton power cable of new chain according to claim 6, it is characterised in that：The conductor is by many metals Silk is stranded to be formed.

8. the skeleton power cable of new chain according to claim 7, it is characterised in that：The wire is that single is naked Copper wire or single tinned copper wire or the zinc-plated copper wire of single or single aluminium wire or single copper-clad aluminum composite wire include above-mentioned any Two or more wire.