CN217281361U - High-voltage cable joint structure with good corrosion resistance - Google Patents

High-voltage cable joint structure with good corrosion resistance Download PDF

Info

Publication number
CN217281361U
CN217281361U CN202220358329.5U CN202220358329U CN217281361U CN 217281361 U CN217281361 U CN 217281361U CN 202220358329 U CN202220358329 U CN 202220358329U CN 217281361 U CN217281361 U CN 217281361U
Authority
CN
China
Prior art keywords
sleeve
stress cone
ring
stress
cover
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
Application number
CN202220358329.5U
Other languages
Chinese (zh)
Inventor
陶建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Xuanyuan Electric Co ltd
Original Assignee
Nanjing Xuanyuan Electric Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Xuanyuan Electric Co ltd filed Critical Nanjing Xuanyuan Electric Co ltd
Priority to CN202220358329.5U priority Critical patent/CN217281361U/en
Application granted granted Critical
Publication of CN217281361U publication Critical patent/CN217281361U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

Landscapes

  • Cable Accessories (AREA)

Abstract

The utility model discloses a high tension cable joint structure that corrosion resisting property is good relates to high tension cable technical field, for solving the current poor problem of cable joint waterproof nature. The anti-skidding stress cone cover is characterized in that a second stress cone is installed on one side of the rear end inside the first sleeve, a first sealing ring is installed on one side, close to the first sleeve, of the outer portion of the second stress cone, the first sealing ring is fixedly connected with the first sleeve, a rubber sealing inner ring is installed on one side of the inner portion of the second stress cone, the rubber sealing inner ring is fixedly connected with the second stress cone, a second stress cone cover is installed on the outer portion of the second stress cone, the second stress cone cover is connected with the first sleeve in a threaded matching mode, an anti-skidding sleeve is installed on the outer portion of the second stress cone cover, and the anti-skidding sleeve is fixedly connected with the second stress cone cover.

Description

High-voltage cable joint structure with good corrosion resistance
Technical Field
The utility model relates to a high tension cable technical field specifically is a high tension cable joint design that corrosion resisting property is good.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply in industrial and mining enterprises and power transmission lines under river-crossing seawater. A high voltage cable is a kind of power cable, which is used for transmitting power between 1kv and 1000kv, and is widely used for power transmission and distribution. The basic structure of the power cable is composed of four parts, namely a wire core, an insulating layer, a shielding layer and a protective layer.
However, when the existing cable is connected with an electric box or other objects, a sleeve is generally adopted for connection, the sealing performance is poor, so that water flow infiltration causes danger, the existing requirements are not met, and a high-voltage cable joint structure with good corrosion resistance is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high tension cable joint structure that corrosion resisting property is good to solve the poor problem of cable joint waterproof nature that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high tension cable joint design that corrosion resisting property is good, includes first sleeve pipe, the second stress awl is installed to one side of the inside rear end of first sleeve pipe, the outside first sealing washer of being close to first sheathed tube one side of second stress awl is installed, and first sealing washer and first sleeve pipe fixed connection, the sealed inner ring of rubber is installed to the inside one side of second stress awl, and the sealed inner ring of rubber and second stress awl fixed connection, the externally mounted of second stress awl has second stress awl cover, and second stress awl cover passes through screw-thread fit with first sleeve pipe and is connected, the externally mounted of second stress awl cover has anti-skidding cover, and anti-skidding cover and second stress awl cover fixed connection.
Preferably, the external thread lantern ring is installed to one side that the second stress cone was kept away from to first sleeve inside, and the external thread lantern ring passes through screw-thread fit with first sleeve and is connected, be provided with spacing inner ring between external thread lantern ring and the first sleeve, and spacing inner ring and first sleeve fixed connection, the outside one side of spacing inner ring is provided with fixed inner ring, and fixed inner ring and first sleeve integrated into one piece.
Preferably, a first stress cone cover is arranged inside the external thread sleeve ring, a third sealing ring is arranged between the first stress cone cover and the external thread sleeve ring, and a second sealing ring is arranged between the first stress cone cover and the limiting inner ring.
Preferably, a first stress cone and a cone support are arranged in the first stress cone cover.
Preferably, a second sleeve is installed on one side of the outer portion of the external thread sleeve ring, the second sleeve is connected with the external thread sleeve ring in a threaded fit mode, and a fourth sealing ring is arranged between the external thread sleeve ring and the second sleeve.
Preferably, the first sleeve is provided with a corrosion-resistant layer inside.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model converts the rotary motion into the linear motion by installing the second stress cone cover outside the second stress cone and rotating the second stress cone cover through the anti-skid sleeve, the second stress cone cover and the first sleeve are matched by the screw thread, so that the second stress cone cover moves outwards to be away from the second stress cone, the stress of the inner wall of the second stress cone cover on the second stress cone is cancelled, one end of the cable passes through the second stress cone cover and the second stress cone to be inserted into the first sleeve, then the anti-skidding sleeve is rotated to enable the second stress cone cover to be combined with the second stress cone, the second stress cone cover generates stress on the outer part of the second stress cone to enable the second stress cone cover to be stressed and deformed, thereby make the sealed inner ring atress compression deformation of rubber of inside one side of second stress awl fill up the space between second stress awl and the cable, improved the leakproofness, and then improved waterproof nature, prevent that rivers from getting into along the outside of cable.
2. The utility model discloses a pass the awl with the one end of cable and hold in the palm and first stress awl, install the external screw thread lantern ring in the outside of first stress awl cover, rotate the external screw thread lantern ring, the external screw thread lantern ring produces the effort to first stress awl cover under screw-thread fit, and simultaneously, fixed inner ring holds in the palm production reaction force to the awl, thereby promote the outside removal of first stress awl, the outer wall of first stress awl receives the inside effort atress of first stress awl cover and takes place to deform, thereby with the cable centre gripping, so that the fixed of cable is more stable.
3. The utility model discloses a be provided with corrosion-resistant layer in first sheathed tube inside, corrosion-resistant layer adopts the graphite powder to make, and graphite has good chemical stability. The graphite processed specially has the characteristics of corrosion resistance, good heat conductivity, low permeability and the like, so that the corrosion resistance of the first sleeve is improved.
Drawings
FIG. 1 is a schematic view of the whole internal structure of the present invention;
fig. 2 is an external schematic view of the present invention;
fig. 3 is a sectional side view of the first sleeve according to the present invention.
In the figure: 1. a first sleeve; 2. a first seal ring; 3. a second stress cone; 4. a second stress cone cover; 5. an anti-slip sleeve; 6. sealing an inner ring with rubber; 7. fixing the inner ring; 8. a limiting inner ring; 9. a first stress cone cover; 10. a cone support; 11. a second seal ring; 12. a third seal ring; 13. an externally threaded collar; 14. a fourth seal ring; 15. a first stress cone; 16. a second sleeve; 17. a corrosion resistant layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: a high-voltage cable joint structure with good corrosion resistance comprises a first sleeve 1, a second stress cone 3 is arranged on one side of the rear end inside the first sleeve 1, a first sealing ring 2 is arranged on one side, close to the first sleeve 1, of the outside of the second stress cone 3, the first sealing ring 2 is fixedly connected with the first sleeve 1, a rubber sealing inner ring 6 is arranged on one side inside the second stress cone 3, the rubber sealing inner ring 6 is fixedly connected with the second stress cone 3, a second stress cone cover 4 is arranged on the outside of the second stress cone 3, the second stress cone cover 4 is connected with the first sleeve 1 in a threaded fit mode, an anti-slip sleeve 5 is arranged on the outside of the second stress cone cover 4, the anti-slip sleeve 5 is fixedly connected with the second stress cone cover 4, the rubber sealing inner ring 6 on one side inside the second stress cone 3 is compressed and deformed under stress to fill up a gap between the second stress cone 3 and a cable, and the sealing performance is improved, thereby improving the water resistance.
Further, the external thread lantern ring 13 is installed to the inside one side of keeping away from second stress cone 3 of first sleeve pipe 1, and the external thread lantern ring 13 passes through screw-thread fit with first sleeve pipe 1 to be connected, is provided with spacing inner ring 8 between the external thread lantern ring 13 and the first sleeve pipe 1, and spacing inner ring 8 and first sleeve pipe 1 fixed connection, and the outside one side of spacing inner ring 8 is provided with fixed inner ring 7, and fixed inner ring 7 and first sleeve pipe 1 integrated into one piece.
Further, a first stress cone cover 9 is arranged inside the external thread sleeve ring 13, a third sealing ring 12 is arranged between the first stress cone cover 9 and the external thread sleeve ring 13, a second sealing ring 11 is arranged between the first stress cone cover 9 and the limiting inner ring 8, and the sealing performance of the third sealing ring 12 and the second sealing ring 11 is improved.
Further, a first stress cone 15 and a cone support 10 are installed inside the first stress cone cover 9, and the cone support 10 is used for pushing the first stress cone 15.
Further, a second sleeve 16 is installed on one side of the outer portion of the external thread sleeve ring 13, the second sleeve 16 is connected with the external thread sleeve ring 13 in a threaded matching mode, a fourth sealing ring 14 is arranged between the external thread sleeve ring 13 and the second sleeve 16, and the sealing performance of the external thread sleeve ring 13 when being connected with the second sleeve 16 is improved through the fourth sealing ring 14.
Further, the corrosion-resistant layer 17 is arranged inside the first sleeve 1, the corrosion-resistant layer 17 is made of graphite powder, and the graphite has good chemical stability. The graphite processed specially has the characteristics of corrosion resistance, good heat conductivity, low permeability and the like, so that the corrosion resistance of the first sleeve is improved.
The working principle is as follows: when the cable is used, the second stress cone cover 4 is arranged outside the second stress cone 3, the second stress cone cover 4 is rotated through the anti-slip sleeve 5, the second stress cone cover 4 and the first sleeve 1 convert the rotary motion into the linear motion under the thread fit, so that the second stress cone cover 4 moves outwards to be away from the second stress cone 3, the stress generated by the inner wall of the second stress cone 3 to the second stress cone 3 is cancelled, one end of the cable penetrates through the second stress cone cover 4 and the second stress cone 3 to be inserted into the first sleeve 1, then the anti-slip sleeve 5 is rotated to enable the second stress cone cover 4 to be combined with the second stress cone 3, the second stress cone cover 4 generates stress to the outside of the second stress cone 3 to enable the cable to be stressed and deformed, and therefore the rubber sealing inner ring 6 on one side inside the second stress cone 3 is stressed and deformed to fill the gap between the second stress cone 3 and the cable, the sealing performance is improved, and the waterproofness is further improved, the one end of cable is passed and is connect awl support 10 and first stress awl 15, install the outside at first stress awl cover 9 with the external screw thread lantern ring 13, rotate the external screw thread lantern ring 13, external screw thread lantern ring 13 produces the effort to first stress awl cover 9 under screw-thread fit, simultaneously, fixed inner ring 7 holds in the palm 10 production reaction force to the awl, thereby promote the outside removal of first stress awl 15, the outer wall of first stress awl 15 receives the inside effort atress of first stress awl cover 9 and takes place to deform, thereby with the cable centre gripping.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a high tension cable joint design that corrosion resistance is good, includes first sleeve pipe (1), its characterized in that: the anti-skidding stress cone is characterized in that a second stress cone (3) is installed on one side of the inner rear end of the first sleeve (1), a first sealing ring (2) is installed on one side, close to the first sleeve (1), of the outer portion of the second stress cone (3), the first sealing ring (2) is fixedly connected with the first sleeve (1), a rubber sealing inner ring (6) is installed on one side of the inner portion of the second stress cone (3), the rubber sealing inner ring (6) is fixedly connected with the second stress cone (3), a second stress cone cover (4) is installed on the outer portion of the second stress cone (3), the second stress cone cover (4) is connected with the first sleeve (1) in a threaded fit mode, an anti-skidding sleeve (5) is installed on the outer portion of the second stress cone cover (4), and the anti-skidding sleeve (5) is fixedly connected with the second stress cone cover (4).
2. The high-voltage cable joint structure with good corrosion resistance of claim 1, wherein: the stress cone fixing structure is characterized in that an external thread sleeve ring (13) is installed on one side, far away from a second stress cone (3), of the interior of the first sleeve (1), the external thread sleeve ring (13) is connected with the first sleeve (1) in a thread matching mode, a limiting inner ring (8) is arranged between the external thread sleeve ring (13) and the first sleeve (1), the limiting inner ring (8) is fixedly connected with the first sleeve (1), a fixed inner ring (7) is arranged on one side of the exterior of the limiting inner ring (8), and the fixed inner ring (7) and the first sleeve (1) are integrally formed.
3. The high-voltage cable joint structure with good corrosion resistance of claim 2, wherein: the internal mounting of external screw thread lantern ring (13) has first stress cone cover (9), install third sealing washer (12) between first stress cone cover (9) and the external screw thread lantern ring (13), install second sealing washer (11) between first stress cone cover (9) and spacing inner ring (8).
4. The high-voltage cable joint structure with good corrosion resistance of claim 3, wherein: the first stress cone cover (9) is internally provided with a first stress cone (15) and a cone support (10).
5. The high-voltage cable joint structure with good corrosion resistance of claim 2, wherein: a second sleeve (16) is installed on one side of the outer portion of the external thread sleeve ring (13), the second sleeve (16) is connected with the external thread sleeve ring (13) in a threaded fit mode, and a fourth sealing ring (14) is arranged between the external thread sleeve ring (13) and the second sleeve (16).
6. The high-voltage cable joint structure with good corrosion resistance of claim 1, wherein: the first sleeve (1) is internally provided with a corrosion-resistant layer (17).
CN202220358329.5U 2022-02-22 2022-02-22 High-voltage cable joint structure with good corrosion resistance Expired - Fee Related CN217281361U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220358329.5U CN217281361U (en) 2022-02-22 2022-02-22 High-voltage cable joint structure with good corrosion resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220358329.5U CN217281361U (en) 2022-02-22 2022-02-22 High-voltage cable joint structure with good corrosion resistance

Publications (1)

Publication Number Publication Date
CN217281361U true CN217281361U (en) 2022-08-23

Family

ID=82856366

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220358329.5U Expired - Fee Related CN217281361U (en) 2022-02-22 2022-02-22 High-voltage cable joint structure with good corrosion resistance

Country Status (1)

Country Link
CN (1) CN217281361U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117741203A (en) * 2024-02-20 2024-03-22 辽宁沈鹏电力科技有限公司 Quick test device for 10-35kV cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117741203A (en) * 2024-02-20 2024-03-22 辽宁沈鹏电力科技有限公司 Quick test device for 10-35kV cable
CN117741203B (en) * 2024-02-20 2024-05-07 辽宁沈鹏电力科技有限公司 Quick test device for 10-35kV cable

Similar Documents

Publication Publication Date Title
CN217281361U (en) High-voltage cable joint structure with good corrosion resistance
CN207319763U (en) A kind of shielding wire cable easy to fixation
CN201554961U (en) Sealing structure of inlet cables of electronic box
CN204538871U (en) A kind of stove connection box for motor
CN204089140U (en) A kind of 138 kilovolts of pre-fabricated dry cable terminations
CN210866532U (en) Line repair device
CN208142364U (en) A kind of cable connection structure
CN203907038U (en) Stuffing box
CN204361389U (en) The socket of water-proof function is had in industry connector
CN216289000U (en) Based on transmission line is with ground connection downlead device
CN203589676U (en) Cable waterproof device
CN201234012Y (en) Diving electric cable sealing apparatus
CN216086049U (en) CPVC high voltage electricity pipe
CN205509458U (en) Awl plug -in terminal in 35kV
CN207234369U (en) One kind ± 500kV direct current cables outdoor terminals
CN201936666U (en) Low-carbon environment-friendly gas insulated power cable
CN214589433U (en) High-strength corrosion-resistant insulation piercing connector
CN213845660U (en) Oil end sealing current-carrying structure of dry oil-SF 6 casing pipe
CN220673328U (en) Wall bushing with transformer device
CN211237942U (en) Secondary outlet structure of multi-pulse rectifier transformer
CN201360056Y (en) Socket assembly for solar photovoltaic electricity generating system
CN205335807U (en) Direct current track special cable termination connect
CN211456620U (en) Flexible tubular busbar connecting device and tubular busbar mounting structure
CN212458758U (en) Pressure transmitter for deep water
CN214013267U (en) Sealing joint for extra-high voltage cable cabin penetration

Legal Events

Date Code Title Description
GR01 Patent grant
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: 20220823