CN113783158A - Power cable sealing device - Google Patents
Power cable sealing device Download PDFInfo
- Publication number
- CN113783158A CN113783158A CN202111033417.4A CN202111033417A CN113783158A CN 113783158 A CN113783158 A CN 113783158A CN 202111033417 A CN202111033417 A CN 202111033417A CN 113783158 A CN113783158 A CN 113783158A
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- CN
- China
- Prior art keywords
- fixed
- sealing
- waterproof
- sleeve
- rings
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Classifications
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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
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
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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
- H02G15/007—Devices for relieving mechanical stress
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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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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Cable Accessories (AREA)
Abstract
The invention discloses a power cable sealing device which comprises two cables, wherein the outer surfaces of the two cables are sleeved with insulating sleeves, a fixing assembly is fixedly arranged between the two cables, a waterproof assembly is fixedly arranged on the outer surface of the fixing assembly, a sealing mechanism is fixedly arranged in the waterproof assembly, and a sealing assembly is fixedly arranged on the outer surface of the sealing mechanism; the fixed subassembly includes first fixed cover and the fixed cover of second, the fixed cover of first fixed cover and second is fixed mounting in the surface of cable conductor. According to the invention, through the arrangement of the fixing component and the sealing mechanism, the fixed connection is simple, and the sealing effect can be increased, the threaded rod is rotated, so that the push ring is driven to move in the installation pipe through the connecting rod, and the installation pipe moves to extrude the second rubber ring to shrink, so that the second rubber ring is more tightly attached to the outer surface of the insulating sleeve, and the sealing effect of the whole device is increased.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a power cable sealing device.
Background
The high-voltage and ultrahigh-voltage power cable is an important link of power transmission, and the performance of the cable is directly related to the safe and stable operation of a power system. The performance of an insulating layer and a buffer layer of the cable plays a decisive role on the cable, but in the transportation, field installation and maintenance processes of the cable, the cable is often affected with damp due to untight sealing, and particularly in the southern city of China, the underground water level is low, rain in four seasons occurs, and the cable is frequently affected with damp. Because the harm that the cable intake was affected with the tide has the disguise, can not cause the breakdown nature trouble in a short time, but under the long-term effect of electric field, the destruction of cable water tree and electric tree to the insulating layer, and the difficult restoration of cable water tree, can only change whole section cable, can bring huge economic loss and serious social influence, but present power cable sealing device is sealed the effect when using relatively poor, and the trouble of installation comparison can waste a large amount of time, and sealed the effect relatively poor, so need new power cable sealing device.
Disclosure of Invention
The invention mainly aims to provide a power cable sealing device which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a power cable sealing device comprises two cables, wherein insulating sleeves are sleeved on the outer surfaces of the two cables, a fixing assembly is fixedly mounted between the two cables, a waterproof assembly is fixedly mounted on the outer surface of the fixing assembly, a sealing mechanism is fixedly mounted inside the waterproof assembly, and a sealing assembly is fixedly mounted on the outer surface of the sealing mechanism;
fixed subassembly includes the fixed cover of first fixed cover and second, the equal fixed mounting of the fixed cover of first fixed cover and second is at the surface of cable conductor, the left end fixed mounting of first fixed cover has the lug, the mounting groove has been seted up to the right-hand member of the fixed cover of second, lug and mounting groove looks block, first fixed cover passes through lug and the fixed cover fixed connection of gim peg and second.
Preferably, the sealing assembly comprises two fixed pipes, two sealing gaskets are fixedly mounted between the fixed pipes, and connecting blocks are fixedly mounted at the left end and the right end of each fixed pipe.
Preferably, the sealing mechanism comprises a waterproof pipe, fixed rings are fixedly mounted at the left end and the right end of the waterproof pipe, sliding grooves are formed in the outer surfaces of the two fixed rings, snap rings are fixedly mounted in the two sliding grooves, mounting pipes are fixedly mounted on the outer surfaces of the two snap rings, a connecting ring is fixedly mounted on one side, close to the center of the waterproof pipe, of the outer surfaces of the two mounting pipes, sealing grooves are formed in the outer surfaces of the two connecting rings, first rubber rings are fixedly mounted in the two sealing grooves, a plurality of threaded rings distributed in an annular array are fixedly mounted on one sides, away from the connecting rings, of the outer surfaces of the two mounting pipes, a second rubber ring is movably mounted in the two mounting pipes, push rings are arranged on one sides, away from the snap rings, of the inner parts of the two mounting pipes, and a plurality of connecting rods distributed in an annular array are fixedly mounted at one ends, away from the snap rings, of the two push rings, a plurality of the connecting rod and the equal fixed mounting in inside of screw ring have the threaded rod, the second rubber circle is located the snap ring and pushes away between the ring.
Preferably, the waterproof assembly comprises a sealing sleeve and a protective net sleeve, the waterproof sleeve is fixedly mounted on the outer surface of the protective net sleeve, and the protective sleeve is fixedly mounted on the outer surface of the waterproof sleeve.
Preferably, the sealing sleeve is fixedly arranged on the outer surfaces of the first fixing sleeve and the second fixing sleeve, and the protective net sleeve is fixedly arranged on the outer surface of the waterproof pipe.
Preferably, the waterproof pipe is fixedly installed on the outer surface of the sealing sleeve, and the two fixing rings are both fixedly installed on the outer surface of the insulating sleeve.
Preferably, two the equal fixed mounting of fixed pipe is at the surface of protective sheath, and two connecting blocks all are located the inside of seal groove.
Preferably, the installation pipe, the second rubber ring and the push ring are all sleeved on the outer surface of the insulation sleeve.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arrangement of the fixing component and the sealing mechanism, the fixed connection is simple, and the sealing effect can be increased, the threaded rod is rotated, so that the push ring is driven to move in the installation pipe through the connecting rod, and the installation pipe moves to extrude the second rubber ring to shrink, so that the second rubber ring is more tightly attached to the outer surface of the insulating sleeve, and the sealing effect of the whole device is increased.
2. According to the invention, through the arrangement of the sealing component and the waterproof component, the two fixing pipes are fixedly arranged on the outer surface of the protective sleeve, the connecting block is fixedly arranged in the sealing groove, the first rubber ring is extruded by the connecting block, so that the sealing effect can be achieved in the fixing pipes, and the sealing gasket can also prevent water from entering the fixing pipes to damage the protective sleeve.
Drawings
Fig. 1 is a schematic view of the overall structure of a power cable sealing device according to the present invention;
FIG. 2 is a schematic view of a connection structure of a power cable sealing device according to the present invention;
FIG. 3 is a schematic view of the overall structure of a fixing member of a power cable sealing device according to the present invention;
FIG. 4 is a schematic view of the internal structure of the sealing assembly of the power cable sealing device according to the present invention;
FIG. 5 is a schematic view of the internal structure of a sealing mechanism in a power cable sealing device according to the present invention;
FIG. 6 is a schematic view of the internal structure of the sealing mechanism of the power cable sealing device according to the present invention;
fig. 7 is a cross-sectional view of a waterproof assembly in a power cable sealing device of the present invention.
In the figure: 1. a cable wire; 2. an insulating sleeve; 3. a sealing mechanism; 31. a waterproof pipe; 32. a fixing ring; 33. a chute; 34. a connecting ring; 35. installing a pipe; 36. a sealing groove; 37. a first rubber ring; 38. a snap ring; 39. a second rubber ring; 311. a threaded ring; 312. a threaded rod; 313. a connecting rod; 314. a push ring; 4. a seal assembly; 41. a fixed tube; 42. connecting blocks; 43. a gasket; 5. a waterproof assembly; 51. sealing sleeves; 52. a protective mesh sleeve; 53. a waterproof jacket; 54. a protective sleeve; 6. a fixing assembly; 61. a first fixing sleeve; 62. a bump; 63. mounting grooves; 64. a second fixing sleeve.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, a power cable sealing device includes two cables 1, wherein the outer surfaces of the two cables 1 are both sleeved with an insulating sleeve 2, a fixing assembly 6 is fixedly mounted between the two cables 1, a waterproof assembly 5 is fixedly mounted on the outer surface of the fixing assembly 6, a sealing mechanism 3 is fixedly mounted inside the waterproof assembly 5, and a sealing assembly 4 is fixedly mounted on the outer surface of the sealing mechanism 3;
fixed subassembly 6 includes first fixed cover 61 and the fixed cover 64 of second, and the equal fixed mounting of first fixed cover 61 and the fixed cover 64 of second is at cable conductor 1's surface, and the left end fixed mounting of first fixed cover 61 has lug 62, and mounting groove 63 has been seted up to the right-hand member of the fixed cover 64 of second, and lug 62 and mounting groove 63 looks block, first fixed cover 61 pass through lug 62 and gim peg and the fixed cover 64 fixed connection of second.
The first fixing sleeve 61 and the second fixing sleeve 64 are respectively and fixedly installed on the outer surface of the cable 1, then a user places the projection 62 in the installation groove 63, then the projection is fixedly connected with the bolt, then the sealing sleeve 51 of the user is sleeved on the outer surfaces of the first fixing sleeve 61 and the second fixing sleeve 64, and then the sealing sleeve 51 of the user is baked by hot air to shrink and cling to the outer surfaces of the first fixing sleeve 61 and the second fixing sleeve 64.
The sealing assembly 4 comprises two fixed pipes 41, a sealing gasket 43 is fixedly mounted between the two fixed pipes 41, connecting blocks 42 are fixedly mounted at the left end and the right end of the two fixed pipes 41, the two fixed pipes 41 are fixedly mounted on the outer surface of a protective sleeve 54, and the two connecting blocks 42 are located inside the sealing groove 36.
It is worth to say that, two fixed pipes 41 are fixedly installed on the outer surface of the protective sleeve 54, the connecting block 42 is fixedly installed in the sealing groove 36, the connecting block 42 extrudes the first rubber ring 37, so that the fixed pipe 41 can achieve a sealing effect, and the sealing gasket 43 can prevent water from entering the fixed pipe 41, so that the protective sleeve 54 is damaged.
The sealing mechanism 3 comprises a waterproof pipe 31, fixed rings 32 are fixedly mounted at the left end and the right end of the waterproof pipe 31, sliding grooves 33 are formed in the outer surfaces of the two fixed rings 32, snap rings 38 are fixedly mounted in the two sliding grooves 33, mounting pipes 35 are fixedly mounted on the outer surfaces of the two snap rings 38, a connecting ring 34 is fixedly mounted on one side, close to the center of the waterproof pipe 31, of the outer surfaces of the two mounting pipes 35, sealing grooves 36 are formed in the outer surfaces of the two connecting rings 34, first rubber rings 37 are fixedly mounted in the two sealing grooves 36, a plurality of threaded rings 311 distributed in an annular array are fixedly mounted on one side, far away from the snap rings 34, of the outer surfaces of the two mounting pipes 35, second rubber rings 39 are movably mounted in the two mounting pipes 35, a push ring 314 is arranged on one side, far away from the snap rings 38, a plurality of connecting rods 313 distributed in an annular array are fixedly mounted at one end, far away from the snap rings 38, of the two push rings 314, the threaded rods 312 are fixedly mounted inside the connecting rods 313 and the threaded rings 311, the second rubber ring 39 is located between the snap ring 38 and the push ring 314, the waterproof pipe 31 is fixedly mounted on the outer surface of the sealing sleeve 51, the two fixing rings 32 are fixedly mounted on the outer surface of the insulating sleeve 2, and the mounting pipe 35, the second rubber ring 39 and the push ring 314 are all sleeved on the outer surface of the insulating sleeve 2.
It should be noted that the waterproof tube 31 is fitted over the outer surface of the sealing sleeve 51, the fixing ring 32 is fixed to the outer surface of the insulating sleeve 2 in the same manner, the waterproof tube 31 is fixed to the outer surface of the sealing sleeve 51, and then the protective net 52 is fixed to the outer surface of the waterproof tube 31 in the same manner.
The waterproof assembly 5 comprises a sealing sleeve 51 and a protective net sleeve 52, a waterproof sleeve 53 is fixedly mounted on the outer surface of the protective net sleeve 52, a protective sleeve 54 is fixedly mounted on the outer surface of the waterproof sleeve 53, the sealing sleeve 51 is fixedly mounted on the outer surfaces of a first fixing sleeve 61 and a second fixing sleeve 64, and the protective net sleeve 52 is fixedly mounted on the outer surface of the waterproof pipe 31.
The protective mesh 52 is mainly a metal mesh to protect the circuit from other current interference.
It should be noted that, the invention is a power cable sealing device, when in use, a user fixedly installs a first fixing sleeve 61 and a second fixing sleeve 64 on the outer surface of a cable 1 respectively, then the user places a projection 62 in an installation groove 63, then fixedly connects with a bolt, then a sealing sleeve 51 of the user is sleeved on the outer surfaces of the first fixing sleeve 61 and the second fixing sleeve 64, then the outer surface of the sealing sleeve 51 is baked with hot air to make the sealing sleeve 51 shrink and cling to the outer surfaces of the first fixing sleeve 61 and the second fixing sleeve 64, then the user sleeves a waterproof pipe 31 on the outer surface of the sealing sleeve 51, a fixing ring 32 is fixed on the outer surface of an insulating sleeve 2 by the same method, a waterproof pipe 31 is fixed on the outer surface of the sealing sleeve 51, then the user fixes a protective net sleeve 52 on the outer surface of the waterproof pipe 31 by the same method, and fixedly installs the waterproof sleeve 53 on the outer surface of the protective net sleeve 52, make protective sheath 54 fixed mounting at the surface of waterproof cover 53, then user's rotatory threaded rod 312 thereby drives push ring 314 through connecting rod 313 and removes in installation pipe 35, and installation pipe 35 removes thereby the shrink of extrusion second rubber circle 39, make second rubber circle 39 hug closely more at the surface of insulating cover 2, thereby increase the sealed effect of whole device, then the user is in the outward appearance with two fixed pipe 41 fixed mounting at protective sheath 54, with connecting block 42 fixed mounting in seal groove 36, and connecting block 42 extrudees first rubber circle 37 and can make and play sealed effect in the fixed pipe 41, and sealed pad 43 also can prevent to have water to enter into fixed pipe 41 thereby lead to protective sheath 54 to destroy.
Claims (8)
1. A power cable sealing device comprises two cable wires (1), and is characterized in that: the outer surfaces of the two cables (1) are respectively sleeved with an insulating sleeve (2), a fixing component (6) is fixedly mounted between the two cables (1) together, a waterproof component (5) is fixedly mounted on the outer surface of the fixing component (6), a sealing mechanism (3) is fixedly mounted inside the waterproof component (5), and a sealing component (4) is fixedly mounted on the outer surface of the sealing mechanism (3);
fixed subassembly (6) include the fixed cover of first fixed cover (61) and second (64), the equal fixed mounting in the surface of cable conductor (1) of the fixed cover of first fixed cover (61) and second (64), the left end fixed mounting of the fixed cover of first (61) has lug (62), mounting groove (63) have been seted up to the right-hand member of the fixed cover of second (64), lug (62) and mounting groove (63) looks block, the fixed cover of first (61) is through lug (62) and the fixed cover of gim peg and second (64) fixed connection.
2. A power cable sealing device according to claim 1, wherein: sealing assembly (4) include two fixed pipes (41), two equal fixed mounting has sealed pad (43), two between fixed pipe (41) the equal fixed mounting in both ends has connecting block (42) about fixed pipe (41).
3. A power cable sealing device according to claim 1, wherein: the sealing mechanism (3) comprises waterproof pipes (31), the left end and the right end of each waterproof pipe (31) are fixedly provided with fixing rings (32), the outer surfaces of the two fixing rings (32) are provided with sliding grooves (33), the insides of the two sliding grooves (33) are fixedly provided with snap rings (38), the outer surfaces of the two snap rings (38) are fixedly provided with mounting pipes (35), the outer surfaces of the two mounting pipes (35) are fixedly provided with connecting rings (34) close to one sides of the centers of the waterproof pipes (31), the outer surfaces of the two connecting rings (34) are provided with sealing grooves (36), the insides of the two sealing grooves (36) are fixedly provided with first rubber rings (37), one sides of the outer surfaces of the two mounting pipes (35) far away from the connecting rings (34) are fixedly provided with a plurality of threaded rings (311) distributed in an annular array, and the insides of the two mounting pipes (35) are movably provided with second rubber rings (39), two one side that snap ring (38) were kept away from in the inside of installation pipe (35) is provided with throw-out collar (314), two the equal fixed mounting in one end that snap ring (38) were kept away from in throw-out collar (314) has connecting rod (313) that a plurality of is the annular array and distributes, a plurality of the equal fixed mounting in inside of connecting rod (313) and threaded ring (311) has threaded rod (312), second rubber circle (39) are located between snap ring (38) and throw-out collar (314).
4. A power cable sealing device according to claim 1, wherein: waterproof subassembly (5) are including seal cover (51) and protection net cover (52), the outer fixed surface of protection net cover (52) installs waterproof cover (53), the outer fixed surface of waterproof cover (53) installs protective sheath (54).
5. A power cable sealing device according to claim 4, wherein: the sealing sleeve (51) is fixedly arranged on the outer surfaces of the first fixing sleeve (61) and the second fixing sleeve (64), and the protective net sleeve (52) is fixedly arranged on the outer surface of the waterproof pipe (31).
6. A power cable sealing device according to claim 3, wherein: the waterproof pipe (31) is fixedly arranged on the outer surface of the sealing sleeve (51), and the two fixing rings (32) are fixedly arranged on the outer surface of the insulating sleeve (2).
7. A power cable sealing device according to claim 2, wherein: two fixed pipe (41) are all fixed mounting in the surface of protective sheath (54), and two connecting blocks (42) all are located the inside of seal groove (36).
8. A power cable sealing device according to claim 3, wherein: the installation pipe (35), the second rubber ring (39) and the push ring (314) are all sleeved on the outer surface of the insulation sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111033417.4A CN113783158B (en) | 2021-09-03 | 2021-09-03 | Power cable sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111033417.4A CN113783158B (en) | 2021-09-03 | 2021-09-03 | Power cable sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113783158A true CN113783158A (en) | 2021-12-10 |
| CN113783158B CN113783158B (en) | 2023-03-03 |
Family
ID=78841014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111033417.4A Active CN113783158B (en) | 2021-09-03 | 2021-09-03 | Power cable sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113783158B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184354A (en) * | 1996-11-29 | 1998-06-10 | 阿尔卡塔尔-阿尔斯托姆通用电气公司 | Cold shrinkable protection element for cable joint |
| CN1575535A (en) * | 2001-09-21 | 2005-02-02 | 3M创新有限公司 | Multi-part insulating cover |
| CN104600656A (en) * | 2014-12-29 | 2015-05-06 | 中海石油（中国）有限公司天津分公司 | Watertight connecting device for underground cable connector |
| CN209497252U (en) * | 2019-03-21 | 2019-10-15 | 邢台市团正橡塑制品有限公司 | A kind of intermediate joint of electric cable sealing device |
-
2021
- 2021-09-03 CN CN202111033417.4A patent/CN113783158B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1184354A (en) * | 1996-11-29 | 1998-06-10 | 阿尔卡塔尔-阿尔斯托姆通用电气公司 | Cold shrinkable protection element for cable joint |
| CN1575535A (en) * | 2001-09-21 | 2005-02-02 | 3M创新有限公司 | Multi-part insulating cover |
| CN104600656A (en) * | 2014-12-29 | 2015-05-06 | 中海石油（中国）有限公司天津分公司 | Watertight connecting device for underground cable connector |
| CN209497252U (en) * | 2019-03-21 | 2019-10-15 | 邢台市团正橡塑制品有限公司 | A kind of intermediate joint of electric cable sealing device |
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| Publication number | Publication date |
|---|---|
| CN113783158B (en) | 2023-03-03 |
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