CN201707952U - High-pressure-resistance hydraulic observation cable - Google Patents
High-pressure-resistance hydraulic observation cable Download PDFInfo
- Publication number
- CN201707952U CN201707952U CN2010202360009U CN201020236000U CN201707952U CN 201707952 U CN201707952 U CN 201707952U CN 2010202360009 U CN2010202360009 U CN 2010202360009U CN 201020236000 U CN201020236000 U CN 201020236000U CN 201707952 U CN201707952 U CN 201707952U
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- water
- cable core
- waterstop
- 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
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to a high-pressure-resistance hydraulic observation cable, which comprises a cable core and a protecting sleeve sheathed outside the cable core, wherein the cable core is formed by twisting more than two wire cores with shielding layers or without shielding layers, the wire cores are formed by pairwise twisting copper wire beams coated with insulation layers, and the protecting sleeve comprises a water-blocking tape covering layer and a urethane outer protecting sleeve which are sequentially coated at the outer side of the cable core from inside to outside. The utility model is characterized in that a moisture-proof shielding comprehensive waterproof layer consisting of a metal shielding layer and a polythene protecting sleeve is arranged between the water-blocking tape covering layer and the urethane outer protecting sleeve, the thickness of the urethane outer protecting sleeve is greater than 2mm, copper wires are tin-plating copper wires, and water-blocking paste is filled in the water-blocking tape covering layer. The utility model has the advantages that the utility model effectively solves the problem to realize moisture permeation prevention at high water pressure, prevents moisture corrosion on copper conductors, obviously improves the performance of the cable for resisting the hydrolysis and resisting the erosion of sea water or lake microbes, and can be used for a long time at the water pressure of 10MPa (like a high dam of 1000m).
Description
Technical field
The utility model relates to a kind of instrument and equipment cable that in hydraulic engineering the running status of hydraulic structure is managed and monitors, and relates in particular to a kind ofly to be applicable to that instrument and equipment that the running status to the large-scale dam of high hydraulic pressure manages and monitor is with high pressure resistant hydraulic observation cable.
Background technology
Water is the indispensable valuable source of human survival and human social development, and in modern society, people are on the one hand utilizing the water energy, as diversion irrigation, and reservoir impoundment power generation; Taking precautions against flood again on the other hand, the flood fighting water drainage.But no matter be to utilize or strick precaution, all want fill to build the dam, build hydraulic engineering.The safety of dam firmly is directly connected to the safety of people's lives and properties, is related to the stable development of economic construction, and the dam quality is people's questions of common concern.For in time grasping the operating state of dam engineering, must carry out hydraulic observation, promptly in the dam body project implementing process, to bury the necessary cable that is used for instrument, transducer and transmission signals under water in advance underground, the signal of dykes and dams ruuning situation and variation is sent to checkout gear, engineering works is carried out system observe chronically and monitor, the hourly observation data, and carry out finishing analysis, the running status report is regularly proposed.
But at present, the poor-performing that is used for the cable hydraulic pressure resistance, waterproof of hydraulic observation, wear-resisting, hydrolysis, sea water resistance or lake water microbial attack, can not bear the environment for use of height high hydraulic pressure dam more than 300m for a long time, useful life is short, directly influences the normal operation of the hydraulic observation business of the large-scale dam of high hydraulic pressure.
The utility model content
Main purpose of the present utility model is at the problems referred to above, and a kind of high pressure resistant hydraulic observation cable that can use for a long time under high hydraulic pressure environment is provided.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of high pressure resistant hydraulic observation cable comprises cable core and is sleeved on the sheath of cable core outside, and described cable core is by band screen more than two or do not form with the core of screen is stranded, and described core is that the copper wire wire harness multiple twin by the coated insulation layer forms; Described sheath comprises waterstop belting layer and the polyurethane oversheath that is coated on the cable core outside from the inside to the outside successively; It is characterized in that between waterstop belting layer and polyurethane oversheath, being provided with moistureproof shielding comprehensive waterproof layer; The thickness of described polyurethane oversheath is more than the 2mm.
Described moistureproof shielding comprehensive waterproof layer is made of coated metal screen layer and polyethylene sheath in waterstop belting layer outside successively.
Described metal screen layer adopts aluminium-plastic tape or composite steel-plastic belt.
The copper wire of described copper wire wire harness is a tinned copper wire.
Fill waterproof paste in the described waterstop belting layer.
The beneficial effects of the utility model are: protection against the tide shields the setting of synthetic layer, has significantly improved the performance of cable moistureproof impervious under high hydraulic pressure; The thickness that above-mentioned polyurethane oversheath adopts is more than the twice of existing polyurethane oversheath thickness, effectively improves the performance of hydrolysis, sea water resistance or the lake water microbial attack of cable.Copper wire adopts tinned copper wire, effectively prevents the corrosion of moisture to copper conductor; Filling waterproof paste in the waterstop belting layer can stop moisture further to permeate.The performance of hydraulic pressure resistance of the present utility model, waterproof, wear-resisting, hydrolysis, sea water resistance or lake water microbial attack significantly improves, can under 10Mpa (being equivalent to the 1000m high dam) hydraulic pressure, use for a long time, for the normal operation of the hydraulic observation business of the large-scale dam of high hydraulic pressure provides reliable guarantee.
Description of drawings
Fig. 1 is a section structure schematic diagram of the present utility model.
Among the figure: 1 copper wire wire harness, 2 insulating barriers, 3 band shielding cores, 4 waterproof pastes, 5 waterstop belting layers, 6 screens, 71 metal screen layers, 72 polyethylene sheaths, 8 polyurethane oversheaths.
Below in conjunction with drawings and Examples the utility model is described in detail.
Embodiment
Fig. 1 illustrates a kind of high pressure resistant hydraulic observation cable, comprise cable core and be sleeved on the sheath of cable core outside, above-mentioned cable core is by being with screen or not forming with the core of screen is stranded more than two, cable core has adopted the core 3 stranded formation of 7 band screens 6 in the present embodiment; Above-mentioned core 3 is that copper wire wire harness 1 multiple twin by coated insulation layer 2 forms, and insulating barrier 2 has adopted electric property superior, and water absorption rate is extremely low, the high-density polyethylene material that mechanical strength is higher.Above-mentioned sheath comprises waterstop belting layer 5 and the polyurethane oversheath 8 that is coated on the cable core outside from the inside to the outside successively; It is characterized in that between waterstop belting layer 5 and polyurethane oversheath 8, being provided with moistureproof shielding comprehensive waterproof layer, above-mentioned moistureproof shielding comprehensive waterproof layer is made of coated metal screen layer 71 and polyethylene sheath 72 in waterstop belting layer 5 outsides successively, and metal screen layer can adopt aluminium-plastic tape or composite steel-plastic belt.The setting of moistureproof shielding synthetic layer makes cable prevent that under high hydraulic pressure the performance of moisture infiltration from significantly improving; Waterstop belting layer 5 is arranged on moistureproof shielding synthetic layer inboard, in case there is moisture to invade, the partial volume that the waterstop belting layer absorbs moisture expands rapidly, becomes the jelly of thickness simultaneously, can stop moisture further to permeate.The thickness of polyurethane oversheath is more than the twice of existing polyurethane oversheath thickness more than 2mm, plays the effect of effective hydraulic pressure resistance, waterproof, wear-resisting, hydrolysis, sea water resistance or lake water microbial attack.In addition, it is bonding that oversheath adopts the polyurethane material to stick with glue agent easily, during use, in the junction or the joint can realize excellent sealing, this uses extremely important for water conservancy project.
The copper wire of above-mentioned copper wire wire harness adopts tinned copper wire, at the copper wire surface-coated moistureproof metal material tin more bold and vigorous than work in copper, can effectively prevent the corrosion of moisture to copper conductor.In above-mentioned waterstop belting layer 5, fill waterproof paste 4, the gap of cable core inside is filled by waterproof paste fully, can effectively prevent entering of sealing.Greasy for preventing water adopts commercially available ZLT-28A greasy for preventing water, and good electric property is arranged, and has guaranteed the electric property requirement of cable.Above-mentioned aluminium-plastic tape, composite steel-plastic belt is the commercially available prod, and the waterstop band adopts ZSD type commercially available prod.
Above-mentioned polyurethane oversheath adopts the EU material, and this material is high strength, non-swelling, corrosion resistant waterproof material, is commonly used for the sheath of ocean cable, but high water pressure resistant.
Facts have proved that through use the utility model can use for a long time under 10Mpa (being equivalent to the 1000m high dam) hydraulic pressure, for the normal operation of the hydraulic observation business of the large-scale dam of high hydraulic pressure provides reliable guarantee.
The above only is a preferred embodiment of the present utility model, is not shape material of the present utility model and structure are done any pro forma restriction.Every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. high pressure resistant hydraulic observation cable comprises cable core and is sleeved on the sheath of cable core outside, and described cable core is by band screen more than two or do not form with the core of screen is stranded, and described core is that the copper wire wire harness multiple twin by the coated insulation layer forms; Described sheath comprises waterstop belting layer and the polyurethane oversheath that is coated on the cable core outside from the inside to the outside successively; It is characterized in that between waterstop belting layer and polyurethane oversheath, being provided with moistureproof shielding comprehensive waterproof layer; The thickness of described polyurethane oversheath is more than the 2mm.
2. high pressure resistant hydraulic observation cable according to claim 1 is characterized in that described moistureproof shielding comprehensive waterproof layer is made of coated metal screen layer and polyethylene sheath in waterstop belting layer outside successively.
3. high pressure resistant hydraulic observation cable according to claim 2 is characterized in that described metal screen layer adopts aluminium-plastic tape or composite steel-plastic belt.
4. according to claim 1,2 or 3 described high pressure resistant hydraulic observation cables, the copper wire that it is characterized in that described copper wire wire harness is a tinned copper wire.
5. high pressure resistant hydraulic observation cable according to claim 4 is characterized in that filling waterproof paste in described waterstop belting layer.
6. high pressure resistant hydraulic observation cable according to claim 1 is characterized in that filling waterproof paste in described waterstop belting layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202360009U CN201707952U (en) | 2010-06-24 | 2010-06-24 | High-pressure-resistance hydraulic observation cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202360009U CN201707952U (en) | 2010-06-24 | 2010-06-24 | High-pressure-resistance hydraulic observation cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707952U true CN201707952U (en) | 2011-01-12 |
Family
ID=43445107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202360009U Expired - Fee Related CN201707952U (en) | 2010-06-24 | 2010-06-24 | High-pressure-resistance hydraulic observation cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201707952U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629499A (en) * | 2012-04-20 | 2012-08-08 | 安徽天星光纤通信设备有限公司 | Hydraulic observation cable |
| CN103366870A (en) * | 2013-07-10 | 2013-10-23 | 安徽华生仪表线缆有限公司 | Cable for hydraulic observation |
| CN106941025A (en) * | 2017-04-10 | 2017-07-11 | 安徽凌宇电缆科技有限公司 | A kind of harbour anti-interference computer instrument cable that blocks water that resists cold |
| CN107195366A (en) * | 2017-06-30 | 2017-09-22 | 江苏华亚电缆有限公司 | A kind of antifreeze suspension type water pump Plastic-sheathed Cable of waterproof |
| CN107230528A (en) * | 2017-06-22 | 2017-10-03 | 安徽电缆股份有限公司 | Floating nuclear power plant cable |
-
2010
- 2010-06-24 CN CN2010202360009U patent/CN201707952U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629499A (en) * | 2012-04-20 | 2012-08-08 | 安徽天星光纤通信设备有限公司 | Hydraulic observation cable |
| CN103366870A (en) * | 2013-07-10 | 2013-10-23 | 安徽华生仪表线缆有限公司 | Cable for hydraulic observation |
| CN106941025A (en) * | 2017-04-10 | 2017-07-11 | 安徽凌宇电缆科技有限公司 | A kind of harbour anti-interference computer instrument cable that blocks water that resists cold |
| CN107230528A (en) * | 2017-06-22 | 2017-10-03 | 安徽电缆股份有限公司 | Floating nuclear power plant cable |
| CN107195366A (en) * | 2017-06-30 | 2017-09-22 | 江苏华亚电缆有限公司 | A kind of antifreeze suspension type water pump Plastic-sheathed Cable of waterproof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201707952U (en) | High-pressure-resistance hydraulic observation cable | |
| CN104851512B (en) | A kind of photoelectricity for hydrophone system is combined towrope | |
| CN102364600A (en) | Split-phase lead-coated submarine cable | |
| CN102881359B (en) | Reservoir optoelectrical cable | |
| CN105161207A (en) | Composite combined armored composite rosslinked polyethylene insulation steel band and steel wire fiber submarine cable | |
| CN103117126A (en) | Low-smoke halogen-free flame retardant longitudinal watertight longitudinal airtight power cable and manufacturing method thereof | |
| CN106772845A (en) | A kind of heavy in section submarine optical fiber cable | |
| CN202584881U (en) | 220KV crosslinked polyethylene insulated optical fiber composite submarine cable | |
| CN202796225U (en) | Waterproof anticorrosion power cable | |
| CN202394580U (en) | Split-phase lead-coated submarine cable | |
| CN203721267U (en) | Water-proof cable | |
| CN107274985B (en) | Z-shaped copper wire armored photoelectric composite submarine cable | |
| CN203300267U (en) | Photoelectric composite submarine cable | |
| CN203102996U (en) | Low-smoke zero-halogen flame retardant longitudinal watertight and airtight power cable | |
| CN202930077U (en) | High-strength self-floating oil, gas and power main line soft comprehensive cable used in water | |
| CN202711831U (en) | Three-core photoelectric composite submarine cable | |
| CN202473346U (en) | Bearing cable for offshore platform | |
| CN106782799A (en) | Wrinkle copper sheathing wrinkle steel bushing steel wire armoured ocean cable | |
| CN206516382U (en) | Wrinkle copper sheathing wrinkle steel bushing steel wire armoured ocean cable | |
| CN209708698U (en) | A kind of polyvinyl chloride insulation steel-tape armouring polyvinyl chloride boot power cable | |
| CN208368210U (en) | A kind of submarine cable | |
| CN202352379U (en) | Special environment-friendly compound floating cable for seas and rivers | |
| CN208298599U (en) | Jewelling alloy cable in a kind of waterproof gear tidal stencils | |
| CN2605644Y (en) | TS901 self-propelled submarine cable burying machine deck cable | |
| CN202839121U (en) | Marine watertight cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-pressure-resistance hydraulic observation cable Effective date of registration: 20110819 Granted publication date: 20110112 Pledgee: Shenzhen Development Bank Co.Ltd Tianjin branch Pledgor: Tianjin Lifu Optical Cable Development Co., Ltd. Registration number: 2011990000320 |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 300385 Tianjin city Xiqing District of Xiqing Economic Development Zone Three Saida Avenue No. 8 Patentee after: Tianjin Li Fu photoelectric Polytron Technologies Inc Address before: 300385 Tianjin city Xiqing District of Xiqing Economic Development Zone Three Saida Avenue No. 8 Patentee before: Tianjin Lifu Optical Cable Development Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20180624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |