CN109066567B - Watertight connection method for vulcanization of tail cable - Google Patents
Watertight connection method for vulcanization of tail cable Download PDFInfo
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- CN109066567B CN109066567B CN201810797643.1A CN201810797643A CN109066567B CN 109066567 B CN109066567 B CN 109066567B CN 201810797643 A CN201810797643 A CN 201810797643A CN 109066567 B CN109066567 B CN 109066567B
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- cable
- sleeve
- watertight
- bearing head
- vulcanized rubber
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
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- Cable Accessories (AREA)
Abstract
The invention discloses a watertight connection method for tail cable vulcanization, which is characterized in that an armored cable is led in from a small port of a bearing head, part of armored steel wires of the armored cable are cut off, and a core cable of the armored cable is stripped and led out from a large port of the bearing head; sleeving a sleeve on the surface of the core cable, pouring resin glue in an inner cavity of the bearing head, and wrapping scattered armor steel wires in the resin glue; tin soldering is carried out between core cable end and the watertight connector tail cable, and the first vulcanizes the glue film of welding point department pouring, and including first vulcanizes the glue film with the sleeve pipe is close to the one end parcel of welding point, the second vulcanizes the glue film of resin glue surface pouring, the sleeve pipe is close to the one end of bearing head and extends to in the second vulcanizes the glue film. The method utilizes good viscosity between the sleeve and the vulcanized rubber to replace the mode that the vulcanized rubber directly wraps the welding point to realize water tightness, solves the problem of poor water tightness reliability caused by poor adhesion between the surface of the core cable and the vulcanized rubber, and meets the requirement of long-term deepwater operation; simple structure and easy operation.
Description
Technical Field
The invention belongs to the field of armored cable connecting devices, and particularly relates to a watertight connection method for tail cable vulcanization.
Background
Currently, an underwater armored cable is generally connected with underwater equipment through a watertight connector, and in order to ensure good water tightness, a waterproof sealing design needs to be carried out on the connection mode of the armored cable and the watertight connector.
In the prior art, for example, patent No. 201520247124.X "a cable sealing device for a submersible electric pump" uses a junction box to complete the connection and sealing of cables. The box of the junction box is sealed with the box bucket through a rubber sealing ring, the stripped cable core cable is subjected to tin sealing, the cable core cable and the outgoing line of the submersible motor are welded through a copper joint, a vulcanized rubber outer sheath is arranged outside the copper joint, a waterproof adhesive tape is coated outside the vulcanized rubber outer sheath, and silicon rubber is poured at the opening of the junction box bucket of the outgoing line of the submersible motor for sealing. The mode needs to additionally arrange a junction box, and the junction box has poor pressure resistance and is not suitable for the armored cable for deep sea operation. For example, the patent "201420847873.1" discloses a watertight connector for underwater cable joints, which utilizes a watertight locking structure between an outer cylinder and an inner cylinder, and a rubber ring extrusion device, and further seals the outer cylinder by injecting glue. The device has a complex structure, can meet the requirement of large-depth underwater operation of thousands of meters, has a large size, and has special requirements on the size of a connection part of equipment when being matched with underwater equipment. Further, when the adhesion between the cable sheath material and the sealing adhesive used in the above-mentioned device is not satisfactory, the joint portion thereof cannot be watertight or may be cracked after a short period of use to fail to achieve watertight.
Disclosure of Invention
In order to solve the problems, the invention provides a vulcanized watertight connection method for a tail cable. The method can effectively ensure the waterproof sealing performance of the core cable of the tail cable and the tail cable of the watertight connector, is particularly suitable for long-time and deep marine environment operation, and has the following specific technical scheme:
s1, leading an armored cable into a small opening of a bearing head, cutting off part of armored steel wires of the armored cable, stripping out core cables of the armored cable, leading the core cables out of a large opening of the bearing head, and enabling the armored steel wires to be scattered and then to be left in an inner cavity of the bearing head;
s2, sleeving a sleeve on the core cable, pouring resin glue into the inner cavity of the bearing head, and wrapping scattered armor steel wires in the resin glue;
s3, soldering the tail end of the core cable and the tail cable of the watertight connector, pouring a first vulcanized rubber layer at the welding point, and wrapping one end, close to the welding point, of the sleeve by the first vulcanized rubber layer;
s4, pouring a second vulcanized rubber layer on the surface of the resin rubber at the large opening of the bearing head, wherein one end, close to the bearing head, of the sleeve extends into the second vulcanized rubber layer.
According to the method, the bearing head is filled with the resin adhesive to wrap the armored steel wire of the armored cable tail cable, the first vulcanized adhesive layer and the second vulcanized adhesive layer are used for wrapping the two ends of the sleeve respectively, and a watertight cavity is formed inside the sleeve and at the welding point. Compared with a method for directly bonding the surface of the core cable with the vulcanized rubber, the sleeve made of a proper material is selected as a transition, so that the vulcanized rubber has more reliable adhesion when being combined with the sleeve, a more stable and reliable watertight effect is achieved, and the core cable is not limited and influenced by the material of the surface of the core cable of the armored cable.
In order to further improve the adhesion and the sealing property of the sleeve, resin glue and vulcanized rubber, the following optimization and improvement are carried out on the basis of the watertight connecting method.
Preferably, in step S2, the sleeve is a PVC mesh hose. The aim is that the adhesion between the PVC reticulate pattern hose and vulcanized rubber is very excellent; the reticulate pattern can further improve the strength of the sleeve and more effectively protect the core cable; has various standardized commodity products, is cheap and easy to obtain.
More preferably, in step S2, an insulating oil is further filled between the sleeve and the core cable.
Preferably, in step S3, a waterproof tape is attached to the surface of the first vulcanized rubber layer.
Preferably, in step S3, a waterproof bluetooth glue layer is further disposed between the first vulcanized glue layer and the welding point, and the welding point is wrapped by the waterproof bluetooth glue layer.
Preferably, in step S4, one end of the sleeve near the bearing head extends into the resin glue.
The invention provides a watertight connection method for tail cable vulcanization, which is characterized in that:
due to the flexible selection of the material of the sleeve, the sleeve made of proper material can effectively ensure good adhesion between the sleeve and vulcanized rubber, solve the problem of poor system watertight reliability caused by poor adhesion between the sheath of the core cable and the vulcanized rubber, and meet the requirement of long-term underwater operation, especially deep sea operation; the structure is simple, the installation difficulty is small, and the operation is easy; the sleeve with a proper form is selected, and the core cable of the originally naked armored cable can be effectively protected.
Drawings
FIG. 1 is a schematic structural view of a core cable and a watertight connector connection of an armored cable obtained by a watertight connection method for vulcanization of a tail cable according to example 1;
fig. 2 is a schematic structural view of the connection between the core cable and the watertight connector of the armored cable obtained by the watertight connection method for vulcanization of the tail cable in embodiment 2.
The numbers in the figures are as follows:
1. an armored cable; 101. a core cable; 102. armouring steel wires; 2. a load bearing head; 201. a small opening; 202. a large opening; 3. a sleeve; 4. resin glue; 5. a first vulcanized rubber layer; 6. a watertight connector tail cable; 7. a welding point; 8. a second glue disulfide layer; 9. and (4) insulating oil.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. It is to be noted that all the figures are exemplary representations. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Example 1
The watertight connection method for the vulcanization of the tail cable provided by the embodiment comprises the following specific steps:
s1, leading in an armored cable 1 from a small opening 201 of a bearing head 2, cutting off part of armored steel wires 102 of the armored cable 1, and leading out a core cable 101 stripped out of the armored cable 1 from a large opening 202 of the bearing head 2, so that the armored steel wires 102 are scattered and left in an inner cavity of the bearing head 2;
s2, sleeving a sleeve 3 outside the core cable 101, pouring resin glue 4 into the inner cavity of the bearing head 2, and wrapping the scattered armor steel wires 102 in the resin glue 4;
s3, soldering the tail end of the core cable 101 and the watertight connector tail cable 6, pouring a first vulcanized rubber layer 5 at the welding point 7, and wrapping one end, close to the welding point 7, of the sleeve 3 by the first vulcanized rubber layer 5;
s4, pouring a second vulcanized rubber layer on the surface of the resin rubber at the large opening of the bearing head, wherein one end, close to the bearing head, of the sleeve extends into the second vulcanized rubber layer.
The resulting structure is shown in fig. 1.
According to the method adopted by the embodiment, the first vulcanized rubber layer and the second vulcanized rubber layer are used for respectively wrapping the two ends of the sleeve, so that a watertight cavity is formed inside the sleeve and at the welding point. Compared with a method for directly bonding the surface of the core cable with the vulcanized rubber, the sleeve made of a proper material is selected as a transition, so that the vulcanized rubber has more reliable adhesion when being combined with the sleeve, a more stable and reliable watertight effect is achieved, and the core cable is not limited and influenced by the material of the surface of the core cable of the armored cable.
Example 2
The watertight connection method for the vulcanization of the tail cable provided by the embodiment comprises the following specific steps:
s1, leading in an armored cable 1 from a small opening 201 of a bearing head 2, cutting off part of armored steel wires 102 of the armored cable 1, and leading out a core cable 101 stripped out of the armored cable 1 from a large opening 202 of the bearing head 2, so that the armored steel wires 102 are scattered and left in an inner cavity of the bearing head 2;
s2, sleeving a sleeve 3 outside the core cable 101, pouring resin glue 4 into the inner cavity of the bearing head 2, wrapping the scattered armor steel wires 102 by the resin glue 4, and extending one end of the sleeve 3 close to the bearing head 2 into the resin glue 4;
s3, soldering the tail end of the core cable 101 and the watertight connector tail cable 6, filling insulating oil 9 between the sleeve 3 and the core cable 101, pouring a first vulcanized rubber layer 5 at the welding point 7, and wrapping one end, close to the welding point 7, of the sleeve 3 by the first vulcanized rubber layer 5;
s4, pouring a second glue disulfide layer 8 on the surface of the resin adhesive 4 at the large opening 202 of the bearing head 2.
The resulting structure is shown in fig. 2.
Through the optimization and improvement, the provided watertight connection method for the vulcanization of the tail cable has better water tightness.
The above examples describe the practice of the present invention in detail, however, the present invention is not limited to the specific details in the above embodiments. Within the scope of the claims and the technical idea of the invention, a number of simple modifications and changes can be made to the technical solution of the invention, and these simple modifications are within the scope of protection of the invention.
Claims (6)
1. A watertight connection method for vulcanization of a tail cable is characterized by comprising the following steps:
s1, leading an armored cable into a small opening of a bearing head, cutting off part of armored steel wires of the armored cable, stripping out core cables of the armored cable, leading the core cables out of a large opening of the bearing head, and enabling the armored steel wires to be scattered and then to be left in an inner cavity of the bearing head;
s2, sleeving a sleeve on the core cable, pouring resin glue into the inner cavity of the bearing head, and wrapping scattered armor steel wires in the resin glue;
s3, soldering the tail end of the core cable and the tail cable of the watertight connector, pouring a first vulcanized rubber layer at the welding point, and wrapping one end, close to the welding point, of the sleeve by the first vulcanized rubber layer;
s4, pouring a second vulcanized rubber layer on the surface of the resin rubber at the large opening of the bearing head, wherein one end, close to the bearing head, of the sleeve extends into the second vulcanized rubber layer.
2. The watertight tail cable vulcanization connection method according to claim 1, wherein in step S2, the sleeve is a PVC mesh hose.
3. The watertight pigtail cable vulcanization connection method according to claim 1 or 2, wherein in step S2, an insulating oil is further filled between the sleeve and the core cable.
4. The watertight tail cable vulcanization connection method according to claim 1, wherein in step S3, a waterproof tape is applied to a surface of the first vulcanized rubber layer.
5. The watertight connection method for the vulcanized tail cable according to claim 1, wherein in step S3, a waterproof sealant layer is further disposed between the first vulcanized rubber layer and the welding point, and the waterproof sealant layer covers the welding point.
6. The watertight tail cable vulcanization connection method according to claim 1 or 2, wherein in step S4, one end of the sleeve near the load head extends into the resin adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810797643.1A CN109066567B (en) | 2018-07-19 | 2018-07-19 | Watertight connection method for vulcanization of tail cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797643.1A CN109066567B (en) | 2018-07-19 | 2018-07-19 | Watertight connection method for vulcanization of tail cable |
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| Publication Number | Publication Date |
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| CN109066567A CN109066567A (en) | 2018-12-21 |
| CN109066567B true CN109066567B (en) | 2020-02-18 |
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| CN201810797643.1A Active CN109066567B (en) | 2018-07-19 | 2018-07-19 | Watertight connection method for vulcanization of tail cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110729694B (en) * | 2019-10-21 | 2020-10-23 | 中国科学院声学研究所 | Device and method for sealing end part of cable outer sheath |
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| DE102009002838A1 (en) * | 2009-05-06 | 2010-11-25 | Airbus Deutschland Gmbh | Adhesive holder for holding cable in aircraft, has adhesive film arranged on bottom of pad for gluing bottom on structure of aircraft, and projection mechanism arranged on bottom to adjust thickness of film between bottom and structure |
| CN205646699U (en) * | 2016-04-29 | 2016-10-12 | 武汉浩瀚机电设备有限公司 | Watertight crossing cabin load -bearing device |
| CN206678284U (en) * | 2017-04-10 | 2017-11-28 | 武汉浩瀚机电设备有限公司 | A kind of watertight cable sulfurizing mould |
| CN207489545U (en) * | 2017-10-31 | 2018-06-12 | 天津远讯科技有限公司 | Cable watertight connector and undersea detection system |
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