CN2522985Y - Flexible electric cable - Google Patents
Flexible electric cable Download PDFInfo
- Publication number
- CN2522985Y CN2522985Y CN 01279758 CN01279758U CN2522985Y CN 2522985 Y CN2522985 Y CN 2522985Y CN 01279758 CN01279758 CN 01279758 CN 01279758 U CN01279758 U CN 01279758U CN 2522985 Y CN2522985 Y CN 2522985Y
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- CN
- China
- Prior art keywords
- cable
- flexible
- heart yearn
- core
- electric cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a flexible cable, belonging to a technical field of cable manufacture. The flexible cable consists of a conductor, an insulation layer and a protection layer. The utility model is characterized in that a reinforced fiber heart wire is arranged in the middle, and a durable plastic core wire which is extruded on the outside of an un-insulated conductor exactly twisted in bundles is arranged around the reinforced fiber heart wire, and a core wire group is formed through twisting. And the groups are twisted around the reinforced fiber heart wire by a short section distance and a low torque to form a cable core, and a protection layer which is durable, low-sticky and high-flexible is extruded on the outside of the cable core. The utility model has the advantages that the flexible cable can do a high speed, continuous and circulatory movement, and can carry out a bending movement under a small radius; the flexible cable has long service life; spiral distortion, core crack, damage of the outer protection layer and shield layer are rare to occur.
Description
Technical field
The utility model belongs to the cables manufacturing technical field, particularly relates to a kind of technology of preparing of Flexible electric cable.
Background technology
At present known need be at the Flexible electric cable of shuttling movement or bending motion continuously at a high speed or under the minor radius, generally the flexible cable by ordinary construction replaces, this cable is through the following situation of long period the time: (1) stretches simultaneously or shrinks.(2) there are relative friction (3) and other cable or cable inside to have friction (4) to bear crooked fast, the motion of reversing and rotate with cable carrying cross bar.Be easy to generate lead twist into spirality, cable rise revolve, heart yearn cracking or failure phenomenons such as fracture, screen breakage or oversheath damage, not only can not satisfy dragging or the servo-actuated requirement, and can cause regular serious stopping production.
Summary of the invention
The utility model provides a kind of Flexible electric cable for solving the problem that existing known technology exists.This Flexible electric cable can be at shuttling movement or bending motion continuously at a high speed or under the minor radius, and life cycle is long.
The utility model purpose is achieved in that increases strengthening core in the middle of the cable, is made up of fortifying fibre, not only overcome the steel wire strengthening core owing to the flexural fatigue fracture of wire to the damage of core on every side, and alleviated the cable own wt, improved flexibility.Be used to drag or during servo-actuated for fear of knotting with guarantee that heart yearn has high bending strength, core line diameter and pitch have been done optimization process, and essence is twisted into bundle.Wear-resistant plastic not only has very high mechanical performance and electrical property, and the insulation of extruding is close to and prevents on the lead that it from turning round and round.In order to improve pliability and flexing resistance, overcome heart yearn cracking, rise and phenomenon such as revolve, core is twisted into bundle by short pitch, and bundle and bundle are again round powerful ground of fortifying fibre heart line short pitch, the stranded cable core that forms in low moment of torsion ground, add lubricant when stranded, guarantee the slide relative between the bundle group between the heart yearn.That cable core is extruded outward is wear-resisting especially, adhesiveness is little and flexible very high oversheath, forms when filling and gusset that twisted wire cooperates extruding, can guarantee well like this oversheath can slow down because drag, bending and the influence that causes to twisted wire.
The utility model adopts following technical scheme:
Flexible electric cable is made up of lead, insulating barrier, overcoat, fortifying fibre heart line is arranged in the middle of being characterized in, extrude the heart yearn of wear-resistant plastic all around outward for the flexible conductor of stranded bunchy, heart yearn is twisted into the heart yearn group, group and group be again round the stranded formation cable core of fortifying fibre heart line, and cable core outer is extrude wear-resisting, adhesiveness is little and flexible high sheath.
The utility model can also adopt following technical measures:
Above-mentioned Flexible electric cable, the heart yearn group that the plain conductor that is characterized in stranded bunchy is extruded wear-resistant plastic outward is evenly arranged in around the fortifying fibre heart line.
Above-mentioned Flexible electric cable has wear-resisting lubricating layer between the heart yearn group and between heart yearn, as polymer film.Between the assurance group and the slip between heart yearn.
Above-mentioned Flexible electric cable is characterized in that the cable core outer jacket is the Polyurethane sheath.
Description of drawings
Fig. 1 is a Flexible electric cable cross section structure schematic diagram.
Advantage and the good effect that the utlity model has are: (1) can be under high speed continuously Shuttling movement. (2) can be at bending motion under the minor radius, the running hours bending radius is 5～10 times external diameter. (3) life cycle is long, can finish 1000000 times circulation. (4) Cable is being stretched simultaneously or is shrinking, with cable carrying cross bar relative friction and other are arranged When there are the motions such as rubbing and bears fast bending, reverses and rotate cable or cable inside, Can not produce phenomenons such as twisting into spirality, heart yearn cracking, oversheath damage and screen layer breakage. Be drag or servomechanism in, be used for the best cable of electric power transfer and signal controlling.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following example now, and conjunction with figs. is described in detail as follows:
Embodiment
With reference to accompanying drawing 1, fortifying fibre heart line 1 is arranged in the middle of the Flexible electric cable, be the smart bare copper wire 2 outer heart yearns of extruding wear-resistant plastic insulating barrier 4 that are twisted into bundle all around, be twisted into heart yearn bundle 3 by short pitch, bundle and bundle are again round the stranded cable core that forms of the powerful ground of fortifying fibre heart line short pitch, low torque, add lubricant when stranded, guarantee the slide relative between the heart yearn, that extrude the outside of cable core is wear-resisting, adhesiveness is little and flexible high Polyurethane sheath 5.
Claims (4)
1. Flexible electric cable is made up of lead, insulating barrier, overcoat, it is characterized in that: there is the fortifying fibre heart line centre, extrude the heart yearn of wear-resistant plastic all around outward for the flexible conductor of stranded bunchy, heart yearn is twisted into the heart yearn group, group and group be again round the stranded formation cable core of fortifying fibre heart line, and cable core outer is extrude wear-resisting, adhesiveness is little and flexible high sheath.
2. Flexible electric cable according to claim 1 is characterized in that: the heart yearn bundle that the plain conductor of stranded bunchy is extruded wear-resistant plastic outward is evenly arranged in around the fortifying fibre heart line.
3. Flexible electric cable according to claim 1 is characterized in that: between the heart yearn group and between heart yearn wear-resisting lubricating layer is arranged.
4. Flexible electric cable according to claim 1 is characterized in that: the cable core outer jacket is the Polyurethane sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01279758 CN2522985Y (en) | 2001-12-30 | 2001-12-30 | Flexible electric cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01279758 CN2522985Y (en) | 2001-12-30 | 2001-12-30 | Flexible electric cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2522985Y true CN2522985Y (en) | 2002-11-27 |
Family
ID=33682923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01279758 Expired - Fee Related CN2522985Y (en) | 2001-12-30 | 2001-12-30 | Flexible electric cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2522985Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100375203C (en) * | 2002-12-18 | 2008-03-12 | 住友电气工业株式会社 | Protective tube for communication cable and communication wire |
| CN101308712B (en) * | 2007-05-17 | 2012-05-30 | 上海长顺电梯电缆有限公司 | Cable for elevator door machine |
-
2001
- 2001-12-30 CN CN 01279758 patent/CN2522985Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100375203C (en) * | 2002-12-18 | 2008-03-12 | 住友电气工业株式会社 | Protective tube for communication cable and communication wire |
| CN101308712B (en) * | 2007-05-17 | 2012-05-30 | 上海长顺电梯电缆有限公司 | Cable for elevator door machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |