CN220731260U - Sealing water connection pressing sleeve in CCV crosslinking production process - Google Patents
Sealing water connection pressing sleeve in CCV crosslinking production process Download PDFInfo
- Publication number
- CN220731260U CN220731260U CN202322113155.3U CN202322113155U CN220731260U CN 220731260 U CN220731260 U CN 220731260U CN 202322113155 U CN202322113155 U CN 202322113155U CN 220731260 U CN220731260 U CN 220731260U
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- Prior art keywords
- sleeve
- hole
- ccv
- production process
- connection
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- 238000003825 pressing Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000004132 cross linking Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 title claims abstract description 13
- 238000002955 isolation Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000012466 permeate Substances 0.000 description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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- Cable Accessories (AREA)
Abstract
The utility model discloses a water sealing connection pressing sleeve in the CCV crosslinking production process, which comprises a pressing sleeve body, a first connection sleeve hole, a second connection sleeve hole and an isolating layer, wherein the first connection sleeve hole is formed in one end of the pressing sleeve body, the second connection sleeve hole is formed in the other end of the pressing sleeve body, the isolating layer separates the first connection sleeve hole from the second connection sleeve hole, the pressing sleeve body is internally provided with a first inner sleeve pipe in the first connection sleeve hole, the connection surface between the first inner sleeve pipe and the pressing sleeve body is arranged in an inner inclined manner, the pressing sleeve body is internally provided with a second inner sleeve pipe in the first connection sleeve hole, and clamping fit is formed between the second inner sleeve pipe and the pressing sleeve body; the sealing water connection pressing sleeve in the CCV crosslinking production process enables the conductor to avoid water inflow during production, reduces cost and energy consumption, and reduces labor intensity of staff.
Description
Technical Field
The utility model relates to a water sealing connection pressure sleeve in the CCV crosslinking production process.
Background
At present, 10Kv crosslinked cables are produced, and the first cable is produced in the CCV production line by pulling the conductor into the vulcanization tube with a lead wire. The connection method comprises the following steps: the conductors on both sides of the sleeve extend into the sleeve by a sleeve with a through hole and are connected by hydraulic press fit. The inner screen, the insulation and the outer screen which are extruded by the extruder are coated on the conductor, but the circulating water of the cooling section of the vulcanizing tube can always permeate the water into the cable through the twisting gap of the conductor, and the material produced by the cable is copper, so that the water permeates the conductor, the conductor is easy to change color and even blacken. Therefore, in normal production, after the extruded and encapsulated conductor leads exit the vulcanizing tube, water is fed into the vulcanizing tube, water is installed for sealing, and nitrogen is injected. The extrusion molding lead used in the period of time is about 350 meters, so that the product can be normally produced.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the sealing water connection pressing sleeve in the CCV crosslinking production process, which can prevent the conductor from water inflow during production, reduce the cost and the energy consumption and reduce the labor intensity of staff.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a pressure cover is connected to sealing water in CCV crosslinked production process, including pressing the cover body, and set up the first connection sleeve hole that is located pressure cover body one end, and set up the second connection sleeve hole that is located pressure cover body other end, and with first connection sleeve hole and the spaced isolation layer of second connection sleeve hole, this pressure cover body is equipped with first interior sleeve pipe in first connection sleeve hole, the connection between this first interior sleeve pipe and the pressure cover body is personally submitted the internal slope and is set up, this pressure cover body is equipped with the second interior sleeve pipe in first connection sleeve hole, form the card and hold the cooperation between this second interior sleeve pipe and the pressure cover body.
Preferably, the outer tube surfaces of the first inner tube and the second inner tube are both reducing outer tubes with narrow upper portions and wide lower portions.
Preferably, the inner tube surfaces of the first inner tube and the second inner tube are both straight tubes.
Preferably, the surfaces of the first inner sleeve and the second inner sleeve are respectively provided with a plurality of connecting convex points.
Preferably, the connection bumps are distributed in an array on the surfaces of the first inner sleeve and the second inner sleeve.
Preferably, the connecting bumps are provided on the surfaces of the first inner sleeve and the second inner sleeve in a size proportional to the depth into the first connecting sleeve hole and the second connecting sleeve hole.
Preferably, the inner hole surfaces of the first connecting sleeve hole and the second connecting sleeve hole are reducing inner holes matched with the outer pipe surfaces of the first inner sleeve and the second inner sleeve.
Preferably, the first connecting sleeve hole and the second connecting sleeve hole are symmetrically arranged with the isolation layer as a midpoint.
The beneficial effects of the utility model are as follows:
when the connecting sleeve is produced, two ends are provided with holes, the isolating layer is reserved in the middle, one hole is connected with a lead wire, one hole is connected with a normal conductor and clamped by a hydraulic pressing machine, after a sizing material is extruded, a vulcanizing pipe can be directly closed, nitrogen gas is filled and water is filled, the eccentricity is adjusted, and due to the isolating layer in the middle of the connecting sleeve, when a cable enters a cooling section, water only can permeate into the lead wire section and cannot permeate into the cable product, meanwhile, the problem of pressure increase of the vulcanizing pipe end caused by blocking of the isolating sleeve is solved, and the connecting firmness of the double-layer sleeve is improved by adopting a limiting structure of the double-layer sleeve.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a water seal connection jacket in the CCV crosslinking production process of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of a water seal connection jacket in the CCV crosslinking production process of the present utility model;
fig. 3 is a top view of a water seal connection jacket in the CCV crosslinking process of the present utility model.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Examples
Referring to fig. 1-3, a water sealing connection pressing sleeve in a CCV crosslinking production process comprises a pressing sleeve body 1, a first connection sleeve hole 2 formed in one end of the pressing sleeve body 1, a second connection sleeve hole 3 formed in the other end of the pressing sleeve body 1, and an isolation layer 4 separating the first connection sleeve hole 2 from the second connection sleeve hole 3, wherein the pressing sleeve body 1 is provided with a first inner sleeve 5 in the first connection sleeve hole 2, the connection surface between the first inner sleeve 5 and the pressing sleeve body 1 is arranged in an inner inclined manner, the pressing sleeve body 1 is provided with a second inner sleeve 6 in the first connection sleeve hole 2, and the second inner sleeve 6 and the pressing sleeve body 1 form clamping fit.
The water sealing connection is realized by using the water sealing connection pressing sleeve, the pressing sleeve body 1 and the connection sleeve hole and the isolation layer 4 to separate the connection sleeve hole, and the connection mode can effectively prevent water or other liquid from penetrating into the connection part; the connecting surface between the pressing sleeve body 1 and the first inner sleeve 5 is arranged in an inner inclined way, so that the contact area of the connection can be increased, the tightness and the reliability of the connection are improved, and the connection loosening is prevented; the second inner sleeve 6 is arranged in the first connecting sleeve hole 2 and forms clamping fit with the pressing sleeve body 1, so that the connection firmness can be improved, the inner sleeve can be prevented from loosening or falling off, and the connection tightness is maintained.
The scheme adopts the design of the inner sleeve and the clamping fit, so that the structure of the connecting part is more compact, the compact structure not only occupies small space, but also can simplify the production process, improve the production efficiency and reduce the production cost.
The outer tube surfaces of the first inner tube 5 and the second inner tube 6 are diameter-variable outer tubes with narrow upper part and wide lower part, the inner tube surfaces of the first inner tube 5 and the second inner tube 6 are straight tubes, the surfaces of the first inner tube 5 and the second inner tube 6 are provided with a plurality of connecting convex points 7, and the connecting convex points 7 are distributed on the surfaces of the first inner tube 5 and the second inner tube 6 in an array.
The outer tube surfaces of the first inner tube 5 and the second inner tube 6 adopt a diameter-variable design with narrow upper part and wide lower part, the design can provide better sealing effect, ensure the waterproof performance of the connecting part, and simultaneously, the diameter-variable outer tube can also increase the stability and the tensile strength of the connection, so that the connection is firmer and more reliable; the surfaces of the first inner sleeve 5 and the second inner sleeve 6 are provided with a plurality of connecting convex points 7 which are distributed in an array, the connecting convex points 7 can increase the connecting area and provide firmer clamping fit, the connecting convex points 7 can also uniformly distribute load, the stress concentration of single points is reduced, and the strength and the durability of connection are improved.
The connecting protruding points 7 are arranged on the surfaces of the first inner sleeve 5 and the second inner sleeve 6 in a size proportional to the depth of the connecting protruding points into the first connecting sleeve hole 2 and the second connecting sleeve hole 3, the inner hole surfaces of the first connecting sleeve hole 2 and the second connecting sleeve hole 3 are reducing inner holes matched with the outer pipe surfaces of the first inner sleeve 5 and the second inner sleeve 6, and the first connecting sleeve hole 2 and the second connecting sleeve hole 3 are symmetrically arranged by taking the isolating layer 4 as a midpoint.
The size of the connecting convex point 7 is in direct proportion to the depth of the connecting sleeve hole. The design can be adjusted according to specific conditions, and the connection requirements of different sizes and depths are met, so that the scheme has strong universality and adaptability and can be suitable for various connection scenes; the inner hole surfaces of the first connecting sleeve hole 2 and the second connecting sleeve hole 3 are matched with the outer pipe surfaces of the first inner sleeve pipe 5 and the second inner sleeve pipe 6, and a reducing inner hole design is adopted, so that the closer matching can be realized, the firmness and the stability of connection are improved, and meanwhile, the reducing inner hole can also reduce the stress concentration of a connecting part and reduce the abrasion and damage caused by the stress.
The first connecting sleeve hole 2 and the second connecting sleeve hole 3 are symmetrically arranged by taking the isolating layer 4 as a midpoint, the symmetrical arrangement can enable the force distribution of the connecting part to be more uniform, reduce the risks of connection looseness, breakage or arc generation, and the symmetrical arrangement can also improve the stability and reliability of connection and prolong the service life of the connecting part.
The beneficial effects of the utility model are as follows:
when the connecting sleeve is produced, two ends are provided with holes, the isolating layer is reserved in the middle, one hole is connected with a lead wire, one hole is connected with a normal conductor and clamped by a hydraulic pressing machine, after a sizing material is extruded, a vulcanizing pipe can be directly closed, nitrogen gas is filled and water is filled, the eccentricity is adjusted, and due to the isolating layer in the middle of the connecting sleeve, when a cable enters a cooling section, water only can permeate into the lead wire section and cannot permeate into the cable product, meanwhile, the problem of pressure increase of the vulcanizing pipe end caused by blocking of the isolating sleeve is solved, and the connecting firmness of the double-layer sleeve is improved by adopting a limiting structure of the double-layer sleeve.
The above-mentioned embodiments of the present utility model are not intended to limit the scope of the present utility model, and the embodiments of the present utility model are not limited thereto, and all kinds of modifications, substitutions or alterations made to the above-mentioned structures of the present utility model according to the above-mentioned general knowledge and conventional means of the art without departing from the basic technical ideas of the present utility model shall fall within the scope of the present utility model.
Claims (8)
1. The utility model provides a sealing water connection pressure cover in CCV crosslinked production process which characterized in that: the pressing sleeve comprises a pressing sleeve body, a first connecting sleeve hole formed in one end of the pressing sleeve body, a second connecting sleeve hole formed in the other end of the pressing sleeve body, and an isolating layer separating the first connecting sleeve hole from the second connecting sleeve hole, wherein the pressing sleeve body is provided with a first inner sleeve in the first connecting sleeve hole, the connection surface between the first inner sleeve and the pressing sleeve body is arranged in an inner inclined manner, the pressing sleeve body is provided with a second inner sleeve in the first connecting sleeve hole, and clamping and holding fit is formed between the second inner sleeve and the pressing sleeve body.
2. The water seal connection jacket in a CCV crosslinking production process according to claim 1, wherein: the outer tube surfaces of the first inner tube and the second inner tube are variable-diameter outer tubes with narrow upper part and wide lower part.
3. The water seal connection jacket in a CCV crosslinking production process according to claim 2, wherein: the inner tube surfaces of the first inner tube and the second inner tube are straight tubes.
4. A water seal connection jacket in a CCV crosslinking production process according to claim 3, wherein: the surfaces of the first inner sleeve and the second inner sleeve are provided with a plurality of connecting convex points.
5. The water seal connection jacket in CCV crosslinking production process of claim 4, wherein: the connecting convex points are distributed on the surfaces of the first inner sleeve and the second inner sleeve in an array mode.
6. The water seal connection jacket in CCV crosslinking production process of claim 5, wherein: the size of the connecting salient point arranged on the surfaces of the first inner sleeve and the second inner sleeve is in direct proportion to the depth of the connecting salient point entering the first connecting sleeve hole and the second connecting sleeve hole.
7. The water seal connection jacket in CCV crosslinking production process of claim 6, wherein: the inner hole surfaces of the first connecting sleeve hole and the second connecting sleeve hole are reducing inner holes matched with the outer pipe surfaces of the first inner sleeve and the second inner sleeve.
8. The water seal connection jacket in a CCV crosslinking production process according to any one of claims 1 to 7, wherein: the first connecting sleeve hole and the second connecting sleeve hole are symmetrically arranged by taking the isolation layer as a midpoint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322113155.3U CN220731260U (en) | 2023-08-07 | 2023-08-07 | Sealing water connection pressing sleeve in CCV crosslinking production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322113155.3U CN220731260U (en) | 2023-08-07 | 2023-08-07 | Sealing water connection pressing sleeve in CCV crosslinking production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220731260U true CN220731260U (en) | 2024-04-05 |
Family
ID=90488155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322113155.3U Active CN220731260U (en) | 2023-08-07 | 2023-08-07 | Sealing water connection pressing sleeve in CCV crosslinking production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220731260U (en) |
-
2023
- 2023-08-07 CN CN202322113155.3U patent/CN220731260U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |