CN201167227Y - Cable termination for buried cable distribution device - Google Patents
Cable termination for buried cable distribution device Download PDFInfo
- Publication number
- CN201167227Y CN201167227Y CNU2008200552613U CN200820055261U CN201167227Y CN 201167227 Y CN201167227 Y CN 201167227Y CN U2008200552613 U CNU2008200552613 U CN U2008200552613U CN 200820055261 U CN200820055261 U CN 200820055261U CN 201167227 Y CN201167227 Y CN 201167227Y
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- CN
- China
- Prior art keywords
- cable
- sleeve
- buried
- cable joint
- termination
- 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
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Abstract
The utility model relates to a sealing technology of a cable termination, which is used for sealing the cable termination of a buried cable distribution device or a buried transformer connected with a cable in power system. A cable termination for the buried cable distribution device comprises an insulated sleeve and a cable splice. The insulated sleeve comprises an upper base, a lower base, a sleeve body, a conducting rod and a bolt, the lower base is connected with the device, the sleeve body is arranged on the upper base, and the conducting rod and the bolt are installed inside the sleeve body. The cable splice comprises a cable splice body, an insulated cap and a cable bonding head, the insulated cap is installed on the cable splice body, a cable bonding head penetrates deeply inside the cable splice body, and a pore canal is formed inside the cable splice body to match the sleeve body and the upper base. A waterproof groove is formed on the outer ring of the insulated sleeve and the upper base, a water groove is formed on the outer ring of the upper base of the insulated sleeve, a convex rib is arranged in corresponding the position of the inner hole of the cable termination body, and the waterproof groove is matched with the convex rib. The sealing technology can meet the requirements for reliable and safe operation under ground of the buried power equipment and cable.
Description
Technical field
The utility model relates to the Sealing Technology of cable termination, is used for the cable termination sealing that buried cable tapping device of electric power system or buried transformer are connected with cable.
Background technology
At present, being connected of 12kV cable branch box or transformer and cable adopted detachable cable termination in a large number both at home and abroad, this cable termination adopts silicon rubber insulation, referring to Fig. 1, it comprises the insulating sleeve 1 on the equipment of being installed on, the cable joint 2 of stube cable, insulating sleeve 1 comprises pedestal, sleeve body 13, conducting rod 14 and special bolt 15, pedestal is made up of top base 12 and bottom base 11, bottom base 11 is connected on the equipment, sleeve body 13 places on the top base 12, and conducting rod 14 and bolt 15 are housed in the sleeve body 13; Cable joint 2 comprises cable joint body 21, insulator cap 22 and cable crimp head 23, insulator cap 22 is housed on the cable joint body 21, cable joint body 21 1 side stube cables 24, cable crimp head 23 is connected in cable 24 terminations, cable crimp head 23 deeply to cable joint body 21, has the duct and matches with sleeve body 13 and top base 12 in the cable joint body 21.Cable joint 2 is inserted in insulating sleeve 1, utilizes bolt 15 that cable crimp head 23 reliably is connected with the conducting rod 14 of insulating sleeve 1, solved the Insulation Problems and the current-carrying problem of power equipment preferably.The development of building along with urban distribution network in order to satisfy requirement that city cable goes into the ground engineering to reach the effect of environmental beauty, coordination, need be imbedded these power equipments underground.And these equipment are medium-term and long-term reliable at the subsurface wet environment, one of the technological difficulties of safe operation are exactly the sealing problem of equipment and cable junction.
The utility model content
The purpose of this utility model is to provide a kind of buried cable tapping device cable termination, and this cable termination can guarantee that buried cable tapping device or buried transformer reliably are connected safe operation with cable in the subsurface wet environment.
The utility model is achieved in that a kind of buried cable tapping device cable termination, comprise insulating sleeve and cable joint, insulating sleeve comprises pedestal, sleeve body, conducting rod and bolt, pedestal is made up of top base and bottom base, bottom base is connected on the equipment, sleeve body places on the top base, and conducting rod and bolt are housed in the sleeve body; Cable joint comprises cable joint body, insulator cap and cable crimp head, on the cable joint body insulator cap is housed, and the cable crimp head deeply to the cable joint body, has the duct and matches with sleeve body and top base in the cable joint body; Outer ring at the insulating sleeve top base has capillary groove, is equipped with a convex tendon in the corresponding positions of cable joint body endoporus, and capillary groove matches with convex tendon.
Described convex tendon material is a silicon rubber.
Contact-making surface lengthening between the insulator cap of described cable joint and cable joint body.
The utility model adopts to have capillary groove and increase convex tendon at the cable joint endoporus on the insulating sleeve top base and matches with it, increases the length and the pressure of anti-water termination; And, improve water resistance by with the lengthening of the contact-making surface between insulator cap and cable joint body.Like this by after the multi-sealed technology, buried cable tapping device cable termination of the present utility model can buried contentedly power equipment and cable is reliable at subsurface, the needs of safe operation.
Description of drawings
Fig. 1 is existing cable distribution device cable termination structural representation;
The buried cable tapping device of Fig. 2 the utility model cable termination structural representation.
Among the figure: 1 insulating sleeve, 2 cable joints, 11 bottom bases, 12 top bases, 13 sleeve body, 14 conducting rods, 15 bolts, 16 capillary grooves, 21 cable joint bodies, 22 insulator caps, 23 cable crimp head, 24 cables, 25 convex tendons.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 2, a kind of buried cable tapping device cable termination comprises insulating sleeve 1 and cable joint 2.Insulating sleeve 1 comprises pedestal, sleeve body 13, conducting rod 14 and special bolt 15, pedestal is made up of top base 12 and bottom base 11, bottom base 11 is connected on the equipment, as buried cable distribution box or buried transformer, sleeve body 13 places on the top base 12, and conducting rod 14 and bolt 15 are housed in the sleeve body 13.Cable joint 2 comprises cable joint body 21, insulator cap 22 and cable crimp head 23, insulator cap 22 is housed on the cable joint body 21, cable crimp head 23 deeply to cable joint body 21, has the duct and matches with sleeve body 13 and top base 12 in the cable joint body 21; Outer ring at insulating sleeve 1 top base 12 has capillary groove 16, increase by a convex tendon 25 in the relevant position of cable joint body 21 endoporus, capillary groove 16 matches with convex tendon 25, and described convex tendon 25 materials are silicon rubber, can increase the length and the pressure of the anti-water termination of cable termination like this.Simultaneously, with the contact-making surface lengthening of 21 of the insulator cap 22 of cable joint 2 and cable joint bodies, to improve water resistance.
After the utility model adopts this double Sealing Technology, with the utility model cable termination of connecting after keeping test in 72 hours under the depth of water 3m, its insulation property meet the related request of national standard and power department, can buried contentedly power equipment and cable is reliable at subsurface, the needs of safe operation.
Claims (3)
1. buried cable tapping device cable termination, comprise insulating sleeve and cable joint, insulating sleeve comprises pedestal, sleeve body, conducting rod and bolt, pedestal is made up of top base and bottom base, bottom base is connected on the equipment, sleeve body places on the top base, and conducting rod and bolt are housed in the sleeve body; Cable joint comprises cable joint body, insulator cap and cable crimp head, on the cable joint body insulator cap is housed, and the cable crimp head deeply to the cable joint body, has the duct and matches with sleeve body and top base in the cable joint body; It is characterized in that: the outer ring at the insulating sleeve top base has capillary groove, is equipped with a convex tendon in the corresponding positions of cable joint body endoporus, and capillary groove matches with convex tendon.
2. buried cable tapping device cable termination according to claim 1, it is characterized in that: described convex tendon material is a silicon rubber.
3. buried cable tapping device cable termination according to claim 1 and 2 is characterized in that: the contact-making surface lengthening between the insulator cap of cable joint and cable joint body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200552613U CN201167227Y (en) | 2008-01-31 | 2008-01-31 | Cable termination for buried cable distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200552613U CN201167227Y (en) | 2008-01-31 | 2008-01-31 | Cable termination for buried cable distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201167227Y true CN201167227Y (en) | 2008-12-17 |
Family
ID=40192617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200552613U Expired - Fee Related CN201167227Y (en) | 2008-01-31 | 2008-01-31 | Cable termination for buried cable distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201167227Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795190A (en) * | 2015-05-14 | 2015-07-22 | 吴华林 | Electric cable tail end terminal insulating protective disk |
| CN107437677A (en) * | 2016-05-25 | 2017-12-05 | 广东长牛电气股份有限公司 | A kind of high-current low-voltage cable terminal |
-
2008
- 2008-01-31 CN CNU2008200552613U patent/CN201167227Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795190A (en) * | 2015-05-14 | 2015-07-22 | 吴华林 | Electric cable tail end terminal insulating protective disk |
| CN107437677A (en) * | 2016-05-25 | 2017-12-05 | 广东长牛电气股份有限公司 | A kind of high-current low-voltage cable terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20120131 |