CN220797785U - Waterproof mechanism for middle joint of high-voltage cable - Google Patents

Waterproof mechanism for middle joint of high-voltage cable Download PDF

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Publication number
CN220797785U
CN220797785U CN202322485087.3U CN202322485087U CN220797785U CN 220797785 U CN220797785 U CN 220797785U CN 202322485087 U CN202322485087 U CN 202322485087U CN 220797785 U CN220797785 U CN 220797785U
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China
Prior art keywords
waterproof
waterproof sleeve
joint
unit
wall
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CN202322485087.3U
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Chinese (zh)
Inventor
陈昌明
曹流
单嘉诚
徐武兵
王玉兵
王勇
姜东华
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Yancheng Jinniu Power Technology Co ltd
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Yancheng Jinniu Power Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model discloses a waterproof mechanism for a middle joint of a high-voltage cable, which relates to the technical field of middle joints of cables and comprises a first waterproof sleeve unit and a second waterproof sleeve unit, wherein an interface sealing device is arranged on the outer wall of the joint of the first waterproof sleeve unit and the second waterproof sleeve unit, and a cable joint supporting device is fixedly arranged inside each of the first waterproof sleeve unit and the second waterproof sleeve unit. According to the utility model, the interface sealing device is arranged, after the waterproof sleeve I and the waterproof sleeve II are in threaded connection, the sealing ring is sleeved at the joint of the waterproof sleeve I and the waterproof sleeve II in a sliding manner and is fixed through the bolts, so that the sealing performance of the joint of the waterproof sleeve I and the waterproof sleeve II can be further improved, water seepage is avoided, the cable joint supporting device is arranged, the position of the cable intermediate joint can be supported, the joint end is prevented from falling off due to the gravity of the joint, accidents are caused, and the cable joint position is conveniently placed and taken out through the clamping ring and the clamping buckle.

Description

Waterproof mechanism for middle joint of high-voltage cable
Technical Field
The utility model relates to the technical field of cable intermediate connectors, in particular to a waterproof mechanism for a high-voltage cable intermediate connector.
Background
The middle joint refers to a cable middle joint, the middle joint is a cable accessory for middle connection of cross-linked cables or oil-immersed cables with various voltage levels, the main function is to enable a circuit to be smooth, enable the cables to be kept sealed, ensure the insulation level of the cable joint and enable the cable joint to run safely and reliably, the traditional method adopts waterproof adhesive tapes to wind the joint cables one by one, so that winding or unwinding time is long, in addition, the protection effect of the waterproof adhesive tapes on the external environment is poor, and the middle joint is partially damaged.
In the prior art, a Chinese patent document with publication number of CN215897275U and publication date of 2022, 2 and 22 is proposed to solve the above technical problems, and the technical scheme disclosed in the patent document is as follows: the cable intermediate joint with the waterproof structure comprises a first waterproof sleeve and a second waterproof sleeve, wherein an internal thread groove is formed in one end of the inside of the first waterproof sleeve, a corresponding external thread head is fixedly arranged at one end of the second waterproof sleeve, and the external thread head can be matched with the internal thread groove; the waterproof device comprises a waterproof sleeve, a first cable, a second cable, a first stress cone, a second stress cone, a butt joint assembly and a butt joint assembly, wherein the other end of the inside of the waterproof sleeve is fixedly provided with the first stress cone, the first cable is clamped in the first stress cone, the second stress cone is fixedly arranged at the other end of the inside of the second waterproof sleeve, the second cable is clamped in the second stress cone, the butt joint assembly is arranged in the first waterproof sleeve, and the first cable and the second cable can be connected through the butt joint assembly. The utility model can seal and protect the cable well, thus greatly improving the overall waterproof effect.
In order to solve the problem that a waterproof mechanism for protecting a cable intermediate joint can only carry out waterproof protection on one type of cable, the waterproof mechanism for protecting the cable intermediate joint in the prior art is provided with a special waterproof mechanism shell customized according to the diameter of the cable, so that the waterproof mechanism is not applicable to the protection of other types of cables, and the application range is not high.
Disclosure of Invention
The utility model provides a waterproof mechanism for a middle joint of a high-voltage cable, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a waterproof mechanism of high tension cable intermediate head, includes waterproof cover unit and the waterproof cover unit of second, threaded connection between waterproof cover unit of first waterproof cover unit and the waterproof cover unit of second, install interface sealing device on the junction outer wall of waterproof cover unit of first waterproof cover unit and the waterproof cover unit of second, the inside equal fixed mounting of waterproof cover unit of first waterproof cover unit and the waterproof cover unit of second has cable joint strutting arrangement.
The interface sealing device comprises a sealing assembly, wherein the sealing assembly is arranged on the outer wall of the joint of the first waterproof sleeve unit and the second waterproof sleeve unit, and the periphery of the left end of the second waterproof sleeve unit is fixedly connected with a mounting block.
The cable joint supporting device comprises supporting blocks, wherein the supporting blocks are fixedly connected inside the first waterproof sleeve unit and the second waterproof sleeve unit, and fixing assemblies are fixedly connected to the tops of the supporting blocks.
The technical scheme of the utility model is further improved as follows: the waterproof sleeve unit comprises a waterproof sleeve I, mounting grooves are formed in the periphery of the outer surface of the right end of the waterproof sleeve I, and inner threads are formed in the inner wall of the right end of the waterproof sleeve I.
The technical scheme of the utility model is further improved as follows: the waterproof cover unit of second includes waterproof cover two, waterproof cover two left end inner wall fixedly connected with go-between, be provided with the external screw thread on the go-between outer wall, go-between threaded connection is at waterproof cover right-hand member.
The technical scheme of the utility model is further improved as follows: the waterproof sleeve is characterized in that the left end of the waterproof sleeve and the right ends of the waterproof sleeve are fixedly connected with fastening plates, reinforcing lantern rings are fixedly connected to the outer walls of the fastening plates in a sliding mode, and heat shrinkage sealing rings are arranged on the inner walls of the left end of the waterproof sleeve and the inner walls of the right ends of the waterproof sleeve.
In the above technical scheme, the fastening plate and the reinforcement lantern ring that set up can carry out the chucking with the cable both ends that get into waterproof jacket, avoid external cable to drag and lead to the fact the influence to the internal joint position, and the pyrocondensation sealing washer that sets up in addition can seal the both ends of cable intermediate head, prevents that water from oozing in, and can utilize the thermal shrinkage sealing washer of the temperature control of high tension cable epidermis for the cable is hugged closely to the pyrocondensation sealing washer.
The technical scheme of the utility model is further improved as follows: the sealing assembly comprises a sealing ring, the sealing ring is slidably connected to the outer wall of the joint of the waterproof sleeve I and the waterproof sleeve II, mounting holes are formed in the periphery of the sealing ring, bolts are mounted in the mounting holes, and the lower portions of the bolts penetrate through the mounting blocks.
According to the technical scheme, after the waterproof sleeve I and the waterproof sleeve II are in threaded connection, the sealing ring is sleeved at the joint of the waterproof sleeve I and the waterproof sleeve II in a sliding mode, and the sealing performance of the joint of the waterproof sleeve I and the waterproof sleeve II can be further improved through bolt fixation, so that water seepage is avoided.
The technical scheme of the utility model is further improved as follows: the fixed subassembly includes the arc down, arc bottom side and supporting shoe top all fixed connection down, arc upper end articulates there is the arc down.
The technical scheme of the utility model is further improved as follows: the front end of the lower arc plate is movably connected with a clamping ring, the front end of the upper arc plate is fixedly connected with a buckle, and the clamping ring is clamped with the buckle.
Among the above-mentioned technical scheme, can support cable intermediate head's position, avoid because the gravity of joint makes the joint end drop, cause the accident, and through snap ring and buckle, be convenient for place and take out cable head position.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a waterproof mechanism for a middle joint of a high-voltage cable, which is characterized in that an interface sealing device is arranged on the waterproof mechanism, a first waterproof sleeve and a second waterproof sleeve are connected through threads, and then the sealing rings are sleeved at the joint of the first waterproof sleeve and the second waterproof sleeve in a sliding manner and fixed through bolts.
2. The utility model provides a waterproof mechanism for a middle joint of a high-voltage cable, which is characterized in that a cable joint supporting device is arranged on the waterproof mechanism, the position of the middle joint of the cable can be supported through a supporting block, a lower arc-shaped plate, an upper arc-shaped plate, a clamping ring and a buckle, accidents caused by falling off of a joint end due to the gravity of the joint are avoided, and the position of the cable joint is conveniently placed and taken out through the clamping ring and the buckle.
3. The utility model provides a waterproof mechanism for a middle joint of a high-voltage cable, which is provided with a fastening plate and a reinforcing sleeve ring, wherein the two ends of the cable entering the waterproof sleeve can be clamped, the influence of external cable dragging on the position of the inner joint is avoided, the cables with different diameters can be clamped by sliding the reinforcing sleeve ring, the two ends of the middle joint of the cable can be sealed by the aid of the heat-shrinkable sealing ring, water is prevented from seeping in, the heat-shrinkable sealing ring can be controlled by utilizing the temperature of the surface of the high-voltage cable, the heat-shrinkable sealing ring is tightly attached to the cable, and the waterproof effect can be improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the interface seal of FIG. 1 according to the present utility model;
FIG. 3 is an enlarged view of the utility model at A of FIG. 2;
FIG. 4 is a cross-sectional view of FIG. 1 in accordance with the present utility model;
fig. 5 is a schematic structural view of the cable joint supporting device of fig. 4.
In the figure: 1. a first waterproof jacket unit; 2. a second waterproof jacket unit; 3. an interface sealing device; 4. a cable joint support device; 11. the waterproof sleeve I; 12. a mounting groove; 21. a waterproof sleeve II; 22. a connecting ring; a1, a fastening plate; a2, reinforcing the lantern ring; a3, a heat-shrinkable sealing ring; 31. a seal assembly; 32. a mounting block; b1, a sealing ring; b2, mounting holes; b3, a bolt; 41. a support block; 42. a fixing assembly; c1, a lower arc plate; c2, an upper arc plate; c3, clamping rings; and c4, buckling.
Detailed Description
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a waterproof mechanism of high tension cable intermediate head, includes waterproof jacket unit 1 and waterproof jacket unit 2 of second, threaded connection between waterproof jacket unit 1 and the waterproof jacket unit 2 of second, installs interface sealing device 3 on the junction outer wall of waterproof jacket unit 1 and the waterproof jacket unit 2 of second, and waterproof jacket unit 1 of first and the inside equal fixed mounting of waterproof jacket unit 2 of second has cable to connect strutting arrangement 4.
In this embodiment, first waterproof jacket unit 1 includes waterproof jacket one 11, waterproof jacket one 11 right-hand member surface all has offered mounting groove 12 all around, waterproof jacket one 11 right-hand member inner wall is provided with the internal thread, waterproof jacket two 21 are drawn together to waterproof jacket two 21 left end inner wall fixedly connected with go-between 22, be provided with the external screw thread on the go-between 22 outer walls, go-between 22 threaded connection is at waterproof jacket one 11 right-hand member, waterproof jacket one 11 left end and waterproof jacket two 21 right-hand member equal fixedly connected with fastening plate a1, equal sliding connection has the reinforcement lantern ring a2 on the fastening plate a1 outer wall, waterproof jacket one 11 left end inner wall and waterproof jacket two 21 right-hand member inner wall all are provided with pyrocondensation sealing washer a3, the fastening plate a1 that sets up and reinforcement lantern ring a2, can carry out the chucking with the cable both ends that get into waterproof jacket, avoid external cable to drag and cause the influence to the internal joint position, and can seal the cable that can different diameters through the slip reinforcement lantern ring a2, the both ends that set up the pyrocondensation sealing washer a3 can be sealed to the intermediate joint, and the temperature that the pyrocondensation sealing washer a can be used to the high-pressure cable is improved, and the pyrocondensation sealing washer a3 can be controlled to the pyrocondensation effect.
Preferably, the interface sealing device 3 includes seal assembly 31, seal assembly 31 sets up on the outer wall of the junction of first waterproof jacket unit 1 and second waterproof jacket unit 2, the equal fixedly connected with installation piece 32 all around of second waterproof jacket unit 2 left end, seal assembly 31 includes sealing ring b1, sealing ring b1 sliding connection is on the outer wall of waterproof jacket one 11 and waterproof jacket two 21 junction, sealing ring b1 all has offered mounting hole b2 all around, all install bolt b3 in the mounting hole b2, bolt b3 below passes installation piece 32, install interface sealing device 3, through installation piece 32 that sets up, sealing ring b1, mounting hole b2 and bolt b3, after waterproof jacket one 11 and waterproof jacket two 21 threaded connection, with the cover sealing ring b1 in the two junction of sliding mode, and through bolt b3 is fixed, can further improve waterproof jacket one 11 and waterproof jacket two 21 junction's leakproofness, avoid oozing, and can prevent to wear and reduce the effect of connection seal along with the screw thread of waterproof jacket's use junction, play the reinforcement effect, can be convenient to dismantle the middle cable of waterproof jacket inside the joint.
Further alternatively, the cable joint support device 4 comprises a support block 41, the support block 41 is fixedly connected inside the first waterproof sleeve unit 1 and the second waterproof sleeve unit 2, the top of the support block 41 is fixedly connected with a fixing component 42, the fixing component 42 comprises a lower arc plate c1, the bottom side of the lower arc plate c1 is fixedly connected with the top of the support block 41, the upper end of the lower arc plate c1 is hinged with an upper arc plate c2, the front end of the lower arc plate c1 is movably connected with a clamping ring c3, the front end of the upper arc plate c2 is fixedly connected with a clamping buckle c4, the clamping ring c3 is clamped with the clamping buckle c4, the cable joint support device 4 is installed, the position of a cable intermediate joint can be supported through the support block 41, the lower arc plate c2, the clamping ring c3 and the clamping buckle c4 which are arranged, the joint end is prevented from falling off due to the gravity of the joint, and accidents are convenient to place and take out the cable joint position through the clamping ring c3 and the clamping buckle c 4.
The working principle of the waterproof mechanism of the middle joint of the high-voltage cable is specifically described below.
As shown in fig. 1 to 5, a cable sequentially passes through the fastening plate a1, the waterproof sleeve one 11, the lower arc plate c1 and the upper arc plate c2, the waterproof sleeve two 21 and passes out of the fastening plate a1 at the other end, the clamping ring c3 and the clamping buckle c4 are firstly locked, then the connecting ring 22 is arranged at the right end of the waterproof sleeve one 11 in a threaded manner, then the sealing ring b1 is sleeved at the joint of the two in a sliding manner, the bolt b3 passes through the mounting hole b2 and the mounting block 32 to be fixed, the fastening sleeve ring a2 is slid on the fastening plate a1 after the sealing is finished, and the two ends of the cable are fastened.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (7)

1. The utility model provides a waterproof mechanism of high tension cable intermediate head, includes waterproof cover unit (1) and waterproof cover unit (2) of second, threaded connection between waterproof cover unit (1) and the waterproof cover unit (2) of second, its characterized in that: an interface sealing device (3) is arranged on the outer wall of the joint of the first waterproof sleeve unit (1) and the second waterproof sleeve unit (2), and cable connector supporting devices (4) are fixedly arranged inside the first waterproof sleeve unit (1) and the second waterproof sleeve unit (2);
the interface sealing device (3) comprises a sealing assembly (31), the sealing assembly (31) is arranged on the outer wall of the joint of the first waterproof sleeve unit (1) and the second waterproof sleeve unit (2), and the periphery of the left end of the second waterproof sleeve unit (2) is fixedly connected with a mounting block (32);
the cable joint supporting device (4) comprises supporting blocks (41), the supporting blocks (41) are fixedly connected inside the first waterproof sleeve unit (1) and the second waterproof sleeve unit (2), and the tops of the supporting blocks (41) are fixedly connected with fixing assemblies (42).
2. The high voltage cable intermediate head waterproof mechanism of claim 1, wherein: the waterproof sleeve unit (1) comprises a waterproof sleeve I (11), mounting grooves (12) are formed in the periphery of the outer surface of the right end of the waterproof sleeve I (11), and internal threads are formed in the inner wall of the right end of the waterproof sleeve I (11).
3. The high voltage cable intermediate head waterproof mechanism of claim 1, wherein: the waterproof sleeve unit (2) comprises a waterproof sleeve II (21), a connecting ring (22) is fixedly connected to the inner wall of the left end of the waterproof sleeve II (21), external threads are arranged on the outer wall of the connecting ring (22), and the connecting ring (22) is in threaded connection with the right end of the waterproof sleeve I (11).
4. The high voltage cable intermediate head waterproof mechanism of claim 2, wherein: waterproof cover one (11) left end and waterproof cover two (21) right-hand member all fixedly connected with fastening plate (a 1), all sliding connection has on the fastening plate (a 1) outer wall and consolidates lantern ring (a 2), waterproof cover one (11) left end inner wall and waterproof cover two (21) right-hand member inner wall all are provided with pyrocondensation sealing washer (a 3).
5. The high voltage cable intermediate head waterproof mechanism of claim 1, wherein: the sealing assembly (31) comprises a sealing ring (b 1), the sealing ring (b 1) is slidably connected to the outer wall of the joint of the waterproof sleeve I (11) and the waterproof sleeve II (21), mounting holes (b 2) are formed in the periphery of the sealing ring (b 1), bolts (b 3) are mounted in the mounting holes (b 2), and the lower portions of the bolts (b 3) penetrate through the mounting blocks (32).
6. The high voltage cable intermediate head waterproof mechanism of claim 1, wherein: the fixing assembly (42) comprises a lower arc-shaped plate (c 1), the bottom side of the lower arc-shaped plate (c 1) is fixedly connected with the top of the supporting block (41), and the upper end of the lower arc-shaped plate (c 1) is hinged with an upper arc-shaped plate (c 2).
7. The high voltage cable intermediate head waterproof mechanism of claim 6, wherein: the front end of the lower arc plate (c 1) is movably connected with a clamping ring (c 3), the front end of the upper arc plate (c 2) is fixedly connected with a clamping buckle (c 4), and the clamping ring (c 3) is clamped with the clamping buckle (c 4).
CN202322485087.3U 2023-09-13 2023-09-13 Waterproof mechanism for middle joint of high-voltage cable Active CN220797785U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322485087.3U CN220797785U (en) 2023-09-13 2023-09-13 Waterproof mechanism for middle joint of high-voltage cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322485087.3U CN220797785U (en) 2023-09-13 2023-09-13 Waterproof mechanism for middle joint of high-voltage cable

Publications (1)

Publication Number Publication Date
CN220797785U true CN220797785U (en) 2024-04-16

Family

ID=90629935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322485087.3U Active CN220797785U (en) 2023-09-13 2023-09-13 Waterproof mechanism for middle joint of high-voltage cable

Country Status (1)

Country Link
CN (1) CN220797785U (en)

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