CN203520935U - Power supply transmission tow chain cable - Google Patents
Power supply transmission tow chain cable Download PDFInfo
- Publication number
- CN203520935U CN203520935U CN201320598869.1U CN201320598869U CN203520935U CN 203520935 U CN203520935 U CN 203520935U CN 201320598869 U CN201320598869 U CN 201320598869U CN 203520935 U CN203520935 U CN 203520935U
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- cable
- transmission
- chain cable
- transmission units
- power supply
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Abstract
The utility model relates to the field of cable technologies, and particularly to a power supply transmission tow chain cable. The tow chain cable includes a sheath layer and transmission units which are arranged from outside to inside. The tow chain cable is characterized in that each the transmission unit is formed by extruding an insulating layer at the periphery of a conducting layer, the plurality of same transmission units are twisted together to form a cable core, and a plurality of filling strips are arranged in gaps among the transmission units and at the periphery of the plurality of transmission units, to achieve symmetry, concentricity and positioning of the plurality of transmission units. By adjusting the novel practical structure, adopting novel material and modifying corresponding technology, not only the transmission characteristic of a power supply is kept, but also full application of the tow chain cable in a mechanical and automatic power supply transmission system is achieved, and the range of application of a PVC flexible cable is greatly developed, to make a structure of power supply transmission to be more stable under frequent movement, raise the service life of the tow chain cable, save the cost of that a mobile power supply needs to be installed a system to run, and achieve good economic benefit.
Description
[technical field]
The utility model relates to cable technology field, particularly a kind of power delivery drag chain cable.
[background technology]
Common power delivery PVC flexible cable cross section structure as shown in Figure 1.Conductive layer adopts that flexible conductor is stranded to be formed; insulating barrier adopts the flexible PVC extruding, and two to five core transmission unit collection are combined together, and forms each transfer function of power supply; for each unit of power delivery of protecting conductive layer and insulating barrier to form, the peripheral restrictive coating that extrudes again one deck flexible PVC.The power delivery cable of this structure connecting circuit equipment stationary curved install and once in a while mobile place often also can meet just and use.
But in the power delivery system of mechanical automation, electric equipment can frequently move often, this just needs the PVC flexible cable of connecting circuit device power supply (DPS) transmission, also need the equipment of following frequently mobile and crooked together, because it is mechanical automation, so it is all complicated and multifarious that each equipment unit is controlled, so need to have many different qualities circuits controls, in order to make the line coordination action of many controls, often these circuit unifications are placed on to motion together in a drag chain, this just needs these circuits not tangle, do not twist together, Stability Analysis of Structures, stand the wearing and tearing of drag chain inwall and electric property is stable, be adapted to various industrial environments simultaneously.
And common power delivery PVC flexible cable as shown in Figure 1, because adopting ordinary soft PVC(, insulating barrier meets easily curved needs), power delivery unit is when stranding set, because of laying tension inhomogeneous, make each unit of symmetrical transmission, two cores or multicore are combined closely together, two cores or multicore are in addition separated from each other, cause the serious asymmetric of each unit and depart from center, structural instability, after sheathing, cause jacket thickness inhomogeneous, distortion when cable is laid, be difficult to unfold, put into drag chain system, inhomogeneous because of folding s tress, tangle on other circuit, destroy the power delivery of whole system.Because making its useful life, seriously reduces its unstable structure simultaneously.
[summary of the invention]
For overcome conventional P VC flexible cable in the power delivery system of mechanical automation, frequent crooked mobile under, structure unstability causes technical deficiency, improve the reliability of its electrical property transmission and in drag chain mobile useful life, design with manufacture a kind of frequently crooked power delivery cable moving become in the urgent need to.
For completing above-mentioned purpose, design a kind of power delivery drag chain cable, described drag chain cable is followed successively by restrictive coating from outside to inside, transmission unit, it is characterized in that forming after described single transmission unit extrudes a layer insulating by conductive layer surrounding, cable core of the stranded composition of described some identical transmission units, some packings are placed respectively with intermediate gaps by the surrounding of described some transmission units, realize with one heart symmetrical between some transmission units and location, also the slip in the time of can preventing each unit stranding and pitch evenly, thereby structure is more rationally with stable, meet stranded rule, consistency of thickness during sheathing, stressed even when crooked, straight unfolding when cable is laid, do not tangle, do not twist together, thereby while being frequent crooked mobile the creation of electrical property transmitting condition.
Described packing can comprise outer packing and interior packing, and some transmission units are arranged in array around described interior packing place circumference, and the surrounding array of described some transmission units is placed some outer packings.
Described restrictive coating, insulating barrier and packing all adopt the elasticity mixing PVC with memory recovery to make; memory recovery while thering is frequent crooked movement; physical property is higher than ordinary soft PVC; the resistance to wear oil resistance also with rubber, thus particularly suitable is in the signal transmission of drag chain system and various industrial environment protection whole piece circuit.
Described conductive layer is by stranded the forming of single copper wire of soft level, the frequent movement under crooked of particularly suitable.
By the adjustment of above bady structure and the application of new material, seeing through corresponding technology improves, both kept power delivery characteristic, make again this kind of novel drag chain cable be used fully in the power delivery system of mechanical automation, greatly open up the scope of application of having wiped PVC flexible cable to sop up liquid, just the structure of power delivery under frequent movement is more stable, improves its useful life.Save the cost of portable power source installation system operation, created good economic benefit.
[accompanying drawing explanation]
Fig. 1 is the cross section structure schematic diagram of prior art;
Fig. 2 is cross section structure schematic diagram of the present utility model;
1. restrictive coatings in figure; 2. conductive layer; 3. insulating barrier; 4. transmission unit; 5. packing.
[embodiment]
For making architectural feature of the present utility model easy to understand more, below in conjunction with accompanying drawing, to this practicality is novel, be further elaborated:
Fig. 2 is the power delivery drag chain cable schematic diagram after improving, as shown in the figure: drag chain cable is followed successively by restrictive coating 1, some transmission units 4 and packing 5 from outside to inside.
First, conductive layer 2 is by stranded the forming of single copper wire of soft level, the frequent movement under crooked of particularly suitable; What outside conductive layer 2, extrude is the insulating barrier 3 that a kind of PVC of mixing elastomeric material forms, and forms a single transmission unit 4; The softness of the existing PVC of mixing PVC elastomeric material selecting has crooked rear resilience physical property simultaneously, props up continuously overfill protection inner conducting layer when frequent crooked extruding, main transmission power supply is continued stable;
Secondly; by many with cable core of the stranded composition of feature transmission unit 4; in the surrounding of each transmission unit 4, place the packing 5 with insulation material with intermediate gaps simultaneously; specifically some transmission units 4 are arranged in array around an interior packing place circumference; and place some outer packings at the surrounding array of some transmission units; make the symmetrical concentric and location of transmission unit, prevent from when transmission unit from moving sliding, protection cable core structure is stablized.
Finally, the restrictive coating 1 that extrude at outermost layer consolidation that one deck is wear-resisting, oil resistant, high temperature resistant, resistance to ozone, chemical resistant, high-intensity PVC mixing elastomeric material forms, meet the application of sort signal transmission cable under drag chain and industrial environment, realize stable power delivery and high useful life.
Below be to the greatest extent the novel preferred embodiment of this practicality, other each composition is similar with it, but it does not limit the novel usage range of this practicality, does not depart from authority of the present utility model and requires institute as equivalent variations, is all protection model of the present utility model and covers.
Claims (4)
1. a power delivery drag chain cable, described drag chain cable is followed successively by restrictive coating, transmission unit from outside to inside, it is characterized in that forming after described single transmission unit extrudes a layer insulating by conductive layer surrounding, cable core of the stranded composition of described some identical transmission units, some packings are placed respectively with intermediate gaps by the surrounding of described some transmission units, realize with one heart symmetrical between some transmission units and location.
2. a kind of power delivery drag chain cable as claimed in claim 1, it is characterized in that described packing comprises outer packing and interior packing, some transmission units are arranged in array around described interior packing place circumference, and the surrounding array of described some transmission units is placed some outer packings.
3. a kind of power delivery drag chain cable as claimed in claim 1 or 2, is characterized in that described restrictive coating, insulating barrier and packing all adopt the elasticity mixing PVC with memory recovery to make.
4. a kind of power delivery drag chain cable as claimed in claim 1, is characterized in that described conductive layer is by stranded the forming of single copper wire of soft level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598869.1U CN203520935U (en) | 2013-09-26 | 2013-09-26 | Power supply transmission tow chain cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598869.1U CN203520935U (en) | 2013-09-26 | 2013-09-26 | Power supply transmission tow chain cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203520935U true CN203520935U (en) | 2014-04-02 |
Family
ID=50379827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320598869.1U Expired - Fee Related CN203520935U (en) | 2013-09-26 | 2013-09-26 | Power supply transmission tow chain cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203520935U (en) |
-
2013
- 2013-09-26 CN CN201320598869.1U patent/CN203520935U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20160926 |