CN218731793U

CN218731793U - Hydraulic monitoring cable extension structure

Info

Publication number: CN218731793U
Application number: CN202223058137.1U
Authority: CN
Inventors: 李华; 吴恒友; 刘怀林; 胡君
Original assignee: Guizhou Survey and Design Research Institute for Water Resources and Hydropower
Current assignee: Guizhou Survey and Design Research Institute for Water Resources and Hydropower
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-24
Anticipated expiration: 2032-11-17

Abstract

The embodiment of the utility model provides a hydraulic monitoring cable structure of lengthening relates to hydraulic cable technical field, through the connection back at the heart yearn one-to-one of first cable and second cable, then again the oversheath of first cable with the outer winding of the oversheath of second cable has insulating adhesive tape winding insulating adhesive tape to the first waterproof adhesive tape of winding outside insulating adhesive tape, just first waterproof adhesive tape is hugged closely the oversheath of first cable with the oversheath of second cable from this is lengthening monitoring cable, improves the water pressure resistance and the waterproof nature of joint department, in order to prevent that joint department from seeping water and receive destruction, guarantees the equipment survival rate.

Description

Hydraulic monitoring cable extension structure

Technical Field

The utility model belongs to the technical field of the hydraulic cable technique and specifically relates to a hydraulic monitoring cable extension structure is related to.

Background

In the safety monitoring of dams or side slopes of hydraulic and hydroelectric engineering, most monitoring equipment cannot be replaced and maintained once being installed and buried.

According to the installation standard of dam safety monitoring instruments (SL 531-2012), the connection method of the lengthened signal cable of the safety monitoring instruments and equipment in the water conservancy and hydropower engineering comprises a heat-shrinkable sleeve method, a special joint method and a vulcanization method, wherein the heat-shrinkable sleeve method and the special joint method are suitable for PVC outer sheath type cables with wider application. The professional joint method is simple to operate and high in water pressure resistance, but the joint is large in size and inconvenient to protect again by sleeving; the traditional heat-shrinkable sleeve method has low water pressure resistance and poor waterproofness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic monitoring cable structure of lengthening improves the water pressure resistance and the waterproof nature of joint department to prevent that joint department from seeping water and receive destruction, guarantee the equipment survival rate.

In a first aspect, the utility model provides a hydraulic monitoring cable structure of lengthening, including first cable and second cable, the heart yearn of first cable with the heart yearn one-to-one's of second cable connection, the oversheath of first cable with the outer winding of the oversheath of second cable has insulating adhesive tape, the winding has first waterproof adhesive tape outside the insulating adhesive tape, just first waterproof adhesive tape is hugged closely the oversheath of first cable with the oversheath of second cable.

In an alternative embodiment, a first heat shrink tube wraps the first waterproof tape and is positioned against the outer jacket of the first cable and the outer jacket of the second cable.

In an optional embodiment, a butane air gun is used for heating the first heat shrink tube with the hot melt adhesive, so that the first heat shrink tube shrinks to wrap the first waterproof adhesive tape and is tightly attached to the outer sheath of the first cable and the outer sheath of the second cable.

In an alternative embodiment, a second waterproof tape is wound around one end of the first heat shrinkable tube and outside the outer sheath of the first cable, and the other end of the first heat shrinkable tube and outside the outer sheath of the second cable.

In an alternative embodiment, a second heat-shrinkable tube wraps the second waterproof tape and the first heat-shrinkable tube and is in close proximity to the outer sheath of the first cable and the outer sheath of the second cable.

In an optional embodiment, a butane air gun is used to heat the second heat-shrinkable tube with the hot melt adhesive, so that the second heat-shrinkable tube shrinks to wrap the second waterproof adhesive tape and the first heat-shrinkable tube, and is tightly attached to the outer sheath of the first cable and the outer sheath of the second cable.

In an alternative embodiment, the core wire of the first cable and the core wire of the second cable are sealed by sheathing a core wire heat-shrinkable tube.

In an alternative embodiment, the core of the first cable and the core of the second cable are a twisted connection.

In an alternative embodiment, the core wire of the first electrical cable and the core wire of the second electrical cable are reinforced by soldering.

In an alternative embodiment, the tensile wires of the first cable and the tensile wires of the second cable are kinked.

The utility model discloses beneficial effect includes:

after the core wires of the first cable and the second cable are connected in a one-to-one correspondence mode, the insulating rubberized fabric wound on the outer sheath of the first cable and the outer sheath of the second cable is wound, the first waterproof rubberized fabric is wound on the outer side of the insulating rubberized fabric, and the first waterproof rubberized fabric is tightly attached to the outer sheath of the first cable and the outer sheath of the second cable, so that the monitored cable is lengthened, the water pressure resistance and the waterproofness of a joint are improved, the joint is prevented from being damaged due to water seepage, and the survival rate of equipment is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a hydraulic monitoring cable lengthening structure according to an embodiment of the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

Icon: 1-a first cable; 2-a second cable; 3-insulating rubberized fabric; 4-a first waterproof adhesive tape; 5-a first heat shrink tube; 6-a second waterproof adhesive tape; 7-a second heat shrink tube; 8-core wire heat shrink tubing; 9-tensile wire.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to fig. 1 and 2. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The embodiment of the utility model provides a hydraulic monitoring cable extension structure, including first cable 1 and second cable 2, the heart yearn of first cable 1 and the heart yearn one-to-one's of second cable 2 are connected, and the oversheath of first cable 1 and the oversheath of second cable 2 outer winding have insulating adhesive tape 3, and the winding has first waterproof adhesive tape 4 outside insulating adhesive tape 3, and first waterproof adhesive tape 4 hugs closely the oversheath of first cable 1 and the oversheath of second cable 2.

In the embodiment, after the core wires of the first cable 1 and the second cable 2 are connected in a one-to-one correspondence manner, the insulating rubberized fabric 3 is wound around the outer sheath of the first cable 1 and the outer sheath of the second cable 2, the first waterproof rubberized fabric 4 is wound around the outer sheath of the insulating rubberized fabric 3, and the first waterproof rubberized fabric 4 is tightly attached to the outer sheath of the first cable 1 and the outer sheath of the second cable 2, so that the monitored cable is lengthened, the water pressure resistance and the water resistance of the joint are improved, the joint is prevented from being damaged due to water seepage, and the survival rate of equipment is ensured.

It should be noted that, one of the first cable 1 and the second cable 2 may be a section of cable that needs to be lengthened originally, the other is a new section of cable that is connected, and the first cable 1 and the second cable 2 are connected to realize the lengthening of the whole detection cable.

The core wire of the first cable 1 and the core wire of the second cable 2 are connected by a kink and are reinforced by soldering, so that the core wire of the first cable 1 and the core wire of the second cable 2 are connected.

The core wire heat shrink tube 8 is sleeved between the core wires of the first cable 1 and the second cable 2 for sealing so as to avoid short circuit among a plurality of core wires.

The tensile wires 9 of the first cable 1 and the tensile wires 9 of the second cable 2 are twisted to ensure that the first cable 1 and the second cable 2 have sufficient connection reliability, wherein the tensile wires 9 are made of steel.

The first heat-shrinkable tube 5 wraps the first waterproof adhesive tape 4 and is tightly attached to the outer sheath of the first cable 1 and the outer sheath of the second cable 2. The first waterproof adhesive tape 4 has high toughness, high compactness and certain brittleness, so that high-strength winding is performed to ensure the pressure-resistant and waterproof performance of the joint.

Adopt the butane air gun to heat first pyrocondensation pipe 5 that has the hot melt adhesive to make first pyrocondensation pipe 5 shrink and wrap up first waterproof adhesive tape 4, and hug closely the oversheath of first cable 1 and the oversheath of second cable 2, thereby make first pyrocondensation pipe and first waterproof adhesive tape 4 closely combine, eliminate the interfacial clearance, guaranteed the sealed of kneck between the both ends of first waterproof adhesive tape 4 and the oversheath.

And a second waterproof adhesive tape 6 is wound outside one end of the first heat-shrinkable tube 5 and the outer sheath of the first cable 1, and outside the other end of the first heat-shrinkable tube 5 and the outer sheath of the second cable 2, and the material of the second waterproof adhesive tape 6 is basically the same as that of the first waterproof adhesive tape 4, so that the pressure-resistant and waterproof performances are further improved.

The second heat-shrinkable tube 7 wraps the second waterproof adhesive tape 6 and the first heat-shrinkable tube 5 and is tightly attached to the outer sheath of the first cable 1 and the outer sheath of the second cable 2. Wherein, adopt the butane air gun to heat second pyrocondensation pipe 7 that has the hot melt adhesive to make second pyrocondensation pipe 7 shrink and wrap up second waterproof adhesive tape 6 and first pyrocondensation pipe 5, and hug closely the oversheath of first cable 1 and the oversheath of second cable 2, guarantee to combine closely, eliminate the interfacial clearance, guarantee the leakproofness between second waterproof adhesive tape 6 and the oversheath.

To sum up, the embodiment of the utility model provides a hydraulic monitoring cable extension structure, after the connection through the heart yearn one-to-one at first cable 1 and second cable 2, then the winding has 3 winding insulating rubberized fabric 3 of insulating rubberized fabric outside the oversheath of first cable 1 and second cable 2, and wind first waterproof rubberized fabric 4 outside insulating rubberized fabric 3, and first waterproof rubberized fabric 4 hugs closely the oversheath of first cable 1 and second cable 2's oversheath, from this at monitoring cable extension, improve the water pressure resistance and the waterproof nature of joint department, in order to prevent that joint department infiltration and receive destruction, guarantee the equipment survival rate.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The hydraulic monitoring cable lengthening structure is characterized by comprising a first cable and a second cable, wherein core wires of the first cable and core wires of the second cable are connected in a one-to-one correspondence mode, an outer sheath of the first cable and an outer sheath of the second cable are wound with insulating rubberized fabric, a first waterproof rubberized fabric is wound outside the insulating rubberized fabric, and the first waterproof rubberized fabric is tightly attached to the outer sheath of the first cable and the outer sheath of the second cable.

2. The hydraulic monitoring cable extension structure of claim 1, wherein a first heat shrink tube wraps the first waterproof tape and is in close proximity to an outer sheath of the first cable and an outer sheath of the second cable.

3. The hydraulic monitoring cable extension structure according to claim 2, wherein the first heat-shrinkable tube with the hot melt adhesive is heated by a butane air gun, so that the first heat-shrinkable tube shrinks to wrap the first waterproof adhesive tape and is tightly attached to the outer sheath of the first cable and the outer sheath of the second cable.

4. The hydraulic monitoring cable extension structure of claim 2, wherein a second waterproof tape is wound around one end of the first heat shrinkable tube and outside the outer sheath of the first cable, and the other end of the first heat shrinkable tube and outside the outer sheath of the second cable.

5. The hydraulic monitoring cable extension structure of claim 4, wherein a second heat-shrinkable tube wraps the second waterproof tape and the first heat-shrinkable tube and is tightly attached to the outer sheath of the first cable and the outer sheath of the second cable.

6. The hydraulic monitoring cable extension structure of claim 5, wherein the second heat shrink tube with the hot melt adhesive is heated by a butane air gun, so that the second heat shrink tube shrinks to wrap the second waterproof adhesive tape and the first heat shrink tube and is tightly attached to the outer sheath of the first cable and the outer sheath of the second cable.

7. The hydraulic monitoring cable extension structure of claim 1, wherein the core wire of the first cable and the core wire of the second cable are sealed by sleeving a core wire heat-shrinkable tube.

8. The hydraulic monitoring cable extension structure of claim 1, wherein a twisted connection is formed between the core of the first cable and the core of the second cable.

9. The hydraulic monitoring cable extension structure according to claim 8, wherein the core wire of the first cable and the core wire of the second cable are reinforced by soldering.

10. The hydraulic monitoring cable extension structure of claim 1, wherein the tensile wires of the first cable and the tensile wires of the second cable are kinked.