CN205862831U - A kind of high-power Shield-type machinery frequency-changing cable - Google Patents
A kind of high-power Shield-type machinery frequency-changing cable Download PDFInfo
- Publication number
- CN205862831U CN205862831U CN201620900328.3U CN201620900328U CN205862831U CN 205862831 U CN205862831 U CN 205862831U CN 201620900328 U CN201620900328 U CN 201620900328U CN 205862831 U CN205862831 U CN 205862831U
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- conductor
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- shield
- cable
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Abstract
The utility model discloses a kind of high-power Shield-type machinery frequency-changing cable, it is characterized in that three power wire core are that equilateral triangle is positioned at cable center, two control conductor and a supervision core lay respectively in the space, outside between adjacent two power wire core, each core constitutes cable core with the common twisted synthesizing cable of packed layer, setting gradually total screen layer that belting layer, inner restrictive coating and braiding are constituted on cable core from inside to outside, the appearance at total screen layer is extruded with external sheath layer.This utility model can meet the requirement in mechanical performance and electric property of the Frequency Drive electrical circuitry equipment connecting line under Shield-type machinery severe environmental conditions.
Description
Technical field
This utility model relates to a kind of frequency-changing cable, a kind of high-power Shield-type machinery variable-frequency electric
Cable.
Background technology
Variable-frequency control technique has the advantages such as low noise, low energy consumption, speed governing is stable, low cruise is reliable, in every profession and trade
More and more it is applied.Cable for shield machine is one of crucial accessory of its equipment, is shield machine electrical source of power and control letter
Number transmission connecting line.Shield machine starts frequently, speed change is complicated, and cable there are and is stowed, bends, shakes, reverses and Ore
The situations such as impact, running environment is complicated, and safety and Functional Requirement to cable are higher.The rectification of frequency conversion speed-adjusting system and inverse
The higher hamonic wave that power transformation sub-component produces by electromagnetic radiation, conduction and inductively produces interference to cable and periphery components and parts
And destruction.Along with the Mechanization Level of traffic engineering construction improves constantly, the power of shield machine is increasing, for complying with this
One situation, if the cross section specification of service cable being increased therewith, then can reduce Cable Bending Radius, reducing the softness of cable
Property, affect the service life of cable.
Utility model content
This utility model is for avoiding the weak point existing for above-mentioned prior art, it is provided that a kind of high-power Shield-type machinery
With frequency-changing cable, to meet the Frequency Drive electrical circuitry equipment connecting line under Shield-type machinery severe environmental conditions at mechanical performance and electricity
Requirement in gas performance.
This utility model solves technical problem and adopts the following technical scheme that
This utility model high-power Shield-type machinery frequency-changing cable be structurally characterized in that setting:
Power wire core, is to extrude elastomeric insulating material on power wire core conductor to constitute kinetic insulation layer, described dynamic
Weave tinned copper wire on power insulating barrier and silvalin constitutes power sub-shield；
Control conductor, is to extrude elastomeric insulating material on control conductor conductor to constitute control conductor insulating barrier, in institute
State and on control conductor insulating barrier, weave tinned copper wire and silvalin composition control conductor sub-shield；
Monitor core, be to monitor that extruding elastomeric insulating material on core conductor constitutes supervision core insulating barrier, described
Monitor and on core insulating barrier, weave tinned copper wire and silvalin composition supervision core sub-shield；
Described power wire core conductor, control conductor conductor and monitor core conductor be respectively by many tinned copper wires stranded and
Become；Three power wire core are that equilateral triangle is positioned at cable center, and two control conductor and a supervision core lay respectively at phase
In space, outside between adjacent two power wire core；
Described three power wire core, two control conductor and one monitor that core constitutes cable with the common twisted synthesizing cable of packed layer
Core；Described cable core sets gradually from inside to outside be formed by wrapped semi-conductive cloth tape belting layer, extrude formation
Total screen layer that inner restrictive coating and braiding are constituted, the appearance at described total screen layer is extruded with external sheath layer.
The construction features of this utility model high-power Shield-type machinery frequency-changing cable lies also in: described power wire core conductor,
Control conductor conductor and supervision core conductor are the 5th class or the 6th class tinned copper conductor.
The construction features of this utility model high-power Shield-type machinery frequency-changing cable lies also in: described power wire core conductor,
Control conductor conductor and supervision core conductor twist stock strand regular structure for first bundle again, and bundle twists identical with stock strand direction, described dynamic
The outer layer of the bundle strand of line of force core conductor, control conductor conductor and supervision core conductor puts up lapped insulation fiber band.
The construction features of this utility model high-power Shield-type machinery frequency-changing cable lies also in: described power sub-shield is
Tinned copper wire and cellosilk composite shielding, on the cross section of single power wire core, power sub-shield tinned copper wire such as
Total face area is not less than 1/6th of the area of section of single power wire core conductor；Tinned copper wire in described sub-shield and
Filament diameter is identical, number of spindles is identical, and weaving direction is contrary, and count is not less than 90%.
The construction features of this utility model high-power Shield-type machinery frequency-changing cable lies also in: described external sheath layer uses resistance
Combustion type polyurethane elastomer material extrudes formation.
Compared with the prior art, this utility model has the beneficial effect that:
This utility model can meet the Frequency Drive electrical circuitry equipment connecting line under Shield-type machinery severe environmental conditions at machinery
Requirement in performance and electric property, its high voltage withstanding pulse, corrosion-resistant, vibration resistance, resistance to pull, humidity, UV resistant, resistance to
Friction, impact resistant, flexibility also has high conductivity.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model control conductor structure chart；
Fig. 3 is that this utility model monitors core structure figure.
Label in figure: 1 power wire core, 11 power wire core conductors, 12 kinetic insulation layers, 13 power sub-shields, 2 control lines
Core, 21 control conductor conductors, 22 control conductor insulating barriers, 23 control conductor sub-shields, 3 monitor core, and 31 monitor that core is led
Body, 32 supervision core insulating barriers, 33 supervision core sub-shields, 4 packed layers, 5 belting layers, 6 inner restrictive coatings, 7 total screen layers, 8
External sheath layer.
Detailed description of the invention
Seeing Fig. 1, Fig. 2 and Fig. 3, in the present embodiment, the structure of high-power Shield-type machinery frequency-changing cable is set to:
Power wire core 1, is to extrude elastomeric insulating material on power wire core conductor 11 to constitute kinetic insulation layer 12, dynamic
Weave tinned copper wire on power insulating barrier 12 and silvalin constitutes power sub-shield 13, as shown in Figure 1.
Control conductor 2, is to extrude elastomeric insulating material on control conductor conductor 21 to constitute control conductor insulating barrier 22,
Control conductor insulating barrier 22 weaves tinned copper wire and silvalin constitutes control conductor sub-shield 23, as shown in Figure 2.
Monitor core 3, be to monitor that extruding elastomeric insulating material on core conductor 31 constitutes supervision core insulating barrier 32,
Monitor and on core insulating barrier 32, weave tinned copper wire and silvalin composition supervision core sub-shield 33, as shown in Figure 3.
The present embodiment medium power core conductor 11, control conductor conductor 21 and supervision core conductor 31 are by many platings respectively
Stannum copper wire is stranded to be formed；Three power wire core 1 are positioned at cable center in equilateral triangle, two control conductor 2 and a supervision
Core 3 lays respectively in the space, outside between adjacent two power wire core 1.Sub-shield is put at core peripheral hardware, and by each line
Core circumferentially, improves Electro Magnetic Compatibility, has electromagnetic coupled performance more more preferable than quad.
As it is shown in figure 1,1, two control conductor 2 of three power wire core and a supervision core 3 are the most stranded with packed layer 4
Stranding constitutes cable core；Cable core sets gradually from inside to outside be formed by wrapped semi-conductive cloth tape belting layer 5, extrude
Total screen layer 7 that the inner restrictive coating 6 formed and braiding are constituted, the appearance at total screen layer 7 is extruded with external sheath layer 8.
In being embodied as, corresponding structure arranges and also includes:
Power wire core conductor 11, control conductor conductor 21 and monitor that core conductor 31 is the 5th class or the 6th class tin-coated copper is led
Body；Power wire core conductor 11, control conductor conductor 21 and monitor that core conductor 31 twists stock strand regular structure for first bundle again, bundle strand and
Stock strand direction is identical, and the outer layer in power wire core conductor 11, control conductor conductor 21 and the bundle strand monitoring core conductor 31 is put up
Lapped insulation fiber band.Considering cable running environment in the present embodiment, conductor uses the 5th class or the 6th class tinned copper wire, bundle
Strand and stock twist in the same direction, and insulation and restrictive coating all use elastomer material, make cable have stronger mechanical performance, and it is soft and curved
Qu Xingneng is good；Be arranged on bundle strand outer layer puts up lapped insulation fiber band because of kelvin effect, improves the current-carrying capacity of cable, is passing
Under defeated rated power, reduce the cross section of conductor, thus further improve the bending property of cable.
Power sub-shield 13 is tinned copper wire and cellosilk composite shielding, on the cross section of single power wire core 1, dynamic
Total face area of power sub-shield 13 tinned copper wire such as not less than single power wire core conductor 11 area of section six/
One；Tinned copper wire in sub-shield 13 is identical with filament diameter, number of spindles is identical, and weaving direction is contrary, and count is the lowest
In 90%.This form can play good shield effectiveness, can play again the balance of cable overload loop current, it is ensured that cable
Safety.
External sheath layer 8 uses flame-retardant polyurethane elastomer material to extrude formation, has higher mechanical performance and fire-retardant
Performance, meets adverse circumstances and the security requirement of tunnel exploitation engineering.
The total screen layer being knitted to form in this utility model and each sub-shield had both ensured the shielding properties of cable, simultaneously
Ensure cable requirement in bending, softness and tensile property.
Claims (5)
1. a high-power Shield-type machinery frequency-changing cable, is characterized in that arranging:
Power wire core (1), is to extrude elastomeric insulating material on power wire core conductor (11) to constitute kinetic insulation layer (12),
Described kinetic insulation layer (12) upper braiding tinned copper wire and silvalin constitute power sub-shield (13)；
Control conductor (2), is to extrude elastomeric insulating material on control conductor conductor (21) to constitute control conductor insulating barrier
(22), control conductor sub-shield (23) is constituted at described control conductor insulating barrier (22) upper braiding tinned copper wire and silvalin；
Monitor core (3), be to monitor that extruding elastomeric insulating material on core conductor (31) constitutes supervision core insulating barrier (32),
Constitute at described supervision core insulating barrier (32) upper braiding tinned copper wire and silvalin and monitor core sub-shield (33)；
Described power wire core conductor (11), control conductor conductor (21) and supervision core conductor (31) are by many tin-coated coppers respectively
Skein silk closes and forms；Three power wire core (1) are positioned at cable center in equilateral triangle, two control conductor (2) and a supervision
Core (3) lays respectively in the space, outside between adjacent two power wire core (1)；
Described three power wire core (1), two control conductor (2) and one monitor that core (3) is twisted into jointly with packed layer (4)
Cable constitutes cable core；Described cable core sets gradually from inside to outside be formed by wrapped semi-conductive cloth tape belting layer (5),
Extrude inner restrictive coating (6) and total screen layer (7) of braiding composition of formation, outside the appearance of described total screen layer (7) is extruded with
Restrictive coating (8).
High-power Shield-type machinery frequency-changing cable the most according to claim 1, is characterized in that described power wire core conductor
(11), control conductor conductor (21) and supervision core conductor (31) are the 5th class or the 6th class tinned copper conductor.
High-power Shield-type machinery frequency-changing cable the most according to claim 1, is characterized in that described power wire core conductor
(11), control conductor conductor (21) and monitor core conductor (31) for first bundle twist again stock strand regular structure, bundle strand and stock twist direction
Identical, the outer layer in described power wire core conductor (11), control conductor conductor (21) and the bundle strand monitoring core conductor (31) is taken
Lid lapped insulation fiber band.
High-power Shield-type machinery frequency-changing cable the most according to claim 1, is characterized in that described power sub-shield
(13) be tinned copper wire and cellosilk composite shielding, on the cross section of single power wire core (1), power sub-shield (13) as
Tinned copper wire total face area not less than single power wire core conductor (11) area of section 1/6th；Described separated-shielding
Tinned copper wire in layer (13) is identical with filament diameter, number of spindles is identical, and weaving direction is contrary, and count is not less than 90%.
High-power Shield-type machinery frequency-changing cable the most according to claim 1, is characterized in that described external sheath layer (8) uses
Flame-retardant polyurethane elastomer material extrudes formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900328.3U CN205862831U (en) | 2016-08-18 | 2016-08-18 | A kind of high-power Shield-type machinery frequency-changing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900328.3U CN205862831U (en) | 2016-08-18 | 2016-08-18 | A kind of high-power Shield-type machinery frequency-changing cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205862831U true CN205862831U (en) | 2017-01-04 |
Family
ID=57594248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620900328.3U Expired - Fee Related CN205862831U (en) | 2016-08-18 | 2016-08-18 | A kind of high-power Shield-type machinery frequency-changing cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205862831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895604A (en) * | 2017-12-18 | 2018-04-10 | 刘涛 | A kind of resist bending flexible cable |
| CN114709013A (en) * | 2022-03-29 | 2022-07-05 | 远东电缆有限公司 | Cable for medical equipment and production process |
-
2016
- 2016-08-18 CN CN201620900328.3U patent/CN205862831U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895604A (en) * | 2017-12-18 | 2018-04-10 | 刘涛 | A kind of resist bending flexible cable |
| CN114709013A (en) * | 2022-03-29 | 2022-07-05 | 远东电缆有限公司 | Cable for medical equipment and production process |
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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 |
Granted publication date: 20170104 Termination date: 20190818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |