CN203585317U - Cross-linked unit pipe sealing device - Google Patents
Cross-linked unit pipe sealing device Download PDFInfo
- Publication number
- CN203585317U CN203585317U CN201320721214.9U CN201320721214U CN203585317U CN 203585317 U CN203585317 U CN 203585317U CN 201320721214 U CN201320721214 U CN 201320721214U CN 203585317 U CN203585317 U CN 203585317U
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- CN
- China
- Prior art keywords
- seal
- sealing
- cross
- sealing ring
- sealing device
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses an interconnected unit pipe sealing device. A second seal is fitted between a cross-linked tail pipe (1) and a hydraulic cylinder (5). A first seal comprises a first sealing ring (2), a first steel washer (3) and a retaining plate (4). The second seal comprises a second sealing ring (6), a second steel washer (7) and the retaining plate (4). The cross-linked tail pipe (1) is tightened to the front end of the retaining plate (4) through the first sealing ring (2) and the first steel washer (3) with screws. The rear end of the retaining plate (4) is tightened to a hydraulic cylinder (5) through the second sealing ring (6) and the second steel washer (7) with screws. The cross-linked unit pipe sealing device is simple in structure and easy to operate; the sealing rings can be replaced just by replacing the sealing ring of the second seal with no need of opening the first seal, the original interior gas pressure and water pressure of a unit pipe is maintained, no influence is caused to production, and economic benefit is significant.
Description
Technical field
The utility model relates to a kind of crosslinked unit pipeline sealing device, belongs to mechanical design field.
Background technique
Crosslinking technological from the birth initial stage be applied to low-voltage cable field until pressure developing into afterwards, high pressure so that ultrahigh pressure field, the production of different electric pressure cables, the configuration of different crosslinking method cross-linking production lines are all different.35kV and following crosslinked cable product mainly adopt half dry type explained hereafter, and cable insulation core is crosslinked in nitrogen, adopts water-cooled when cooling, and core is cooling fast, and manufacturing efficiency is higher.Seal arrangement, as an important component part in manufacturing mechanism, all can affect normally carrying out of production in the safe operation of seal ring and working life.Along with the long-time running of equipment, between cable and seal ring, friction for a long time, causes ring wear serious, in addition for a long time under hydraulic pressure and gas pressure, the lower seal end of pipeline there will be seriously leak, gas leak phenomenon, cause nitrogen G&W under-supply, there are quality problems in the product of producing.Change seal ring and need shutdown operation, impact is normally produced; During due to replacing seal ring, open seal arrangement, gas and water leak, and cause crosslinked ducted cable to cancel, until air pressure and hydraulic pressure are filled to the force value of setting, could normally produce.
Summary of the invention
The purpose of this utility model is: a kind of crosslinked unit pipeline sealing device is provided; at crosslinked unit pipeline, set up two road sealings; when the increase along with the unit operation time; when ring wear is serious; change second seal ring, first seal ring still keeps sealing effect, takes not shut down replacing seal ring; the cable of avoiding gas in pipeline and hydraulic pressure all to run off and to cause cancels, cost-saving.
Technical solution of the present utility model is: two road sealings are installed between crosslinked line tail end pipeline and oil hydraulic cylinder, first sealing comprises seal ring, steel pad and baffle plate, second sealing comprises No. two seal rings, No. two steel pads and baffle plate, crosslinked line tail end pipeline screws down on the front end at baffle plate through a seal ring, a steel pad, and No. two, the rear end seal ring of baffle plate, No. two steel pads screw down on oil hydraulic cylinder.
Wherein, on No. two steel pads, establish half embedded step.
When first sealing wear is more serious, enable second sealing, do not need to open first sealing, air in pipeline and cooling water supplement as usual, produce and normally carry out; In process of production, when the ring wear of seal arrangement is more, change the seal ring of second sealing; During due to replacing seal ring, do not need to open first sealing, in unit pipeline, still keep original air pressure and hydraulic pressure, to producing, do not impact.
The utlity model has following effect:
1) avoid a large amount of losses of gas; 2) use manpower and material resources sparingly, gas is filled with and takes time and effort again after all running off; 3) after gas all runs off, tens meters of cables in crosslinked pipeline all cancel, and directly cause a large amount of economic losses, and existing seal arrangement can be avoided above economic loss.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is that No. two steel pads are installed on oil hydraulic cylinder cross-sectional view.
Fig. 3 is No. two steel pad cross-sectional view.
In figure: 1 crosslinked line tail end pipeline, No. 2 seal rings, No. 3 steel pads, 4 baffle plates, 5 oil hydraulic cylinders, 6 No. two seal rings, 7 No. two steel pads.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Figure 1-3, two road sealings are installed between crosslinked line tail end pipeline 1 and oil hydraulic cylinder 5, first sealing comprises seal ring 2, steel pad 3 and a baffle plate 4, second sealing comprises No. two seal rings 6, No. two steel pads 7 and baffle plates 4, crosslinked line tail end pipeline 1 screws down on the front end of baffle plate 4 through seal ring 2, a steel pad 3, and No. two, the rear end seal ring of baffle plate 46, No. two steel pads 7 screw down on oil hydraulic cylinder 5.
Wherein, on No. two steel pads 7, establish half embedded step.
When first sealing wear is more serious, enable second sealing, do not need to open first sealing, air in pipeline and cooling water supplement as usual, produce and normally carry out; In process of production, when the ring wear of seal arrangement is more, change No. two seal rings 6 of second sealing; During due to replacing seal ring, do not need to open first sealing, in unit pipeline, still keep original air pressure and hydraulic pressure, to producing, do not impact.
Claims (2)
1. crosslinked unit pipeline sealing device, it is characterized in that: two road sealings are installed between crosslinked line tail end pipeline (1) and oil hydraulic cylinder (5), first sealing comprises a seal ring (2), a steel pad (3) and baffle plate (4), second sealing comprises No. two seal rings (6), No. two steel pads (7) and baffle plate (4), crosslinked line tail end pipeline (1) screws down on baffle plate (4) front end through a seal ring (2), a steel pad (3), and baffle plate (4) No. two seal rings in rear end (6), No. two steel pads (7) screw down on oil hydraulic cylinder (5).
2. crosslinked unit pipeline sealing device according to claim 1, is characterized in that: on No. two steel pads (7), establish half embedded step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320721214.9U CN203585317U (en) | 2013-11-15 | 2013-11-15 | Cross-linked unit pipe sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320721214.9U CN203585317U (en) | 2013-11-15 | 2013-11-15 | Cross-linked unit pipe sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585317U true CN203585317U (en) | 2014-05-07 |
Family
ID=50583244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320721214.9U Expired - Fee Related CN203585317U (en) | 2013-11-15 | 2013-11-15 | Cross-linked unit pipe sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585317U (en) |
-
2013
- 2013-11-15 CN CN201320721214.9U patent/CN203585317U/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: 20140507 Termination date: 20181115 |