CN202084876U - Cable fixing device for power distribution room - Google Patents
Cable fixing device for power distribution room Download PDFInfo
- Publication number
- CN202084876U CN202084876U CN2011200352074U CN201120035207U CN202084876U CN 202084876 U CN202084876 U CN 202084876U CN 2011200352074 U CN2011200352074 U CN 2011200352074U CN 201120035207 U CN201120035207 U CN 201120035207U CN 202084876 U CN202084876 U CN 202084876U
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- cable
- screw thread
- external screw
- piece type
- conical external
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- Expired - Fee Related
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- Installation Of Indoor Wiring (AREA)
Abstract
The utility model discloses a cable fixing device for a distribution cabinet in a power distribution room, which is suitable for fixing cables in power distribution rooms. The device comprises four-unit tapered externally-threaded pipes and single-phase cable fastening nuts. Three-phase cables which pass through the four-unit tapered externally-threaded pipes are lifted and fixed by screw engagement between the four-unit tapered externally-threaded pipes and the single-phase cable fastening nuts. A rubber gasket is arranged inside each four-unit tapered externally-threaded pipe and designed to have a thick outer ring and a thin inner ring, so as to ensure that the single-phase cable of the four-unit tapered externally-threaded pipe can conveniently pass through and seal the space surrounding the single-phase cable. Two four-unit tapered externally-threaded pipes are connected and a split chassis is fixed through half-connecting sheets and half-connecting sheet fastening bolts. The split chassis is fixed to improve the seal performance of a cable hole which is formed at the bottom of a cable room.
Description
Technical field
The utility model relates to switchgear house power distribution cabinet cable fixed network, is exactly the cable fixture of a kind of cable after entering the switchgear house power distribution cabinet along cable trough (cable testing bridge) specifically, is applicable to various use switchgear house cable fixed place.
Background technology
When cable when cable trough (cable testing bridge) enters switchgear house switch cubicle bottom and is connected with cable vault's connecting terminal block, need can guarantee that just cable enters the cable vault smoothly and is connected with its connecting terminal block in the bottom perforate of power distribution cabinet cable vault.In the practice of construction process because the cable physical length, always there are certain difference in power distribution cabinet position and design drawing in cable trough (cable testing bridge) and the switchgear house, therefore often produce the problem of following two aspects: the one, cable from cable trough (cable testing bridge) when below, cable vault tapping enters the cable vault and is connected with its back panel wiring terminal board, because of having the fixture of lifting, cable directly is not crimped on cable vault's connecting terminal block, the long-term unsettled use of cable can cause taking place between the cable nose of crimping cable and the cable conductor loosening like this, stop sending electric frequent occasion at circuit simultaneously, because it is loosening that cable fixing bolt and connecting terminal block also take place easily in the effect of electronic stress, and then cause the contact resistance of the two to increase, come in contact a sparking, the heating phenomenon causes that finally the accident that cable or power consumption equipment burn takes place.The 2nd, in cable perforation place ubiquity gap problem bigger than normal, make the rubber guard ring can't bring into play the effect of sealing power distribution cabinet cable vault, toy climbs into power distribution cabinet from gap location easily so on the one hand influences safety utilization of electric power, the big sealing effectiveness difference in gap is used under the natural environment harsh conditions on the other hand, electric components and metal cabinet, busbar in the power distribution cabinet are corroded easily, influence its normal useful life.
At present, the scheme that overcomes the above problems is as follows: enter along cable trough (cable testing bridge) at cable and guarantee that as far as possible cable termination has enough surpluses when switchgear house switch cubicle bottom is connected with cable vault's connecting terminal block, by in the cable vault with behind the cable end piece coil, to alleviate of the influence of cable self gravitation to cable vault's binding post.This scheme has increased the cable materials on the one hand, has improved the project cost cost, on the other hand by in the cable vault with the cable coil to alleviate the DeGrain of cable self gravitation to cable vault's connecting terminal block influence.Next is that the cable termination surplus increases, and makes to install behind the cable terminal to the workmen and brings operational difficulty.When solving cable perforation place gap this problem of sealing effectiveness difference bigger than normal, generally adopt the way of around big gap, filling anti-guncotton.Because anti-guncotton is ventilative easily, under the bigger environment of humidity, use Corrosion Protection not good enough.Before the utility model design is finished, do not see the switchgear house cable fixture identical and in daily production, use with the utility model structure, do not see the device identical and sell with the utility model structure.
Summary of the invention
The purpose of this utility model is to provide a kind of switchgear house cable fixture, after practical this fixture by screwing mating reaction and can play fixing between fFour piece type conical external screw thread pipe and the single-phase cable clamp nut, promote the effect of cable, and then alleviate because of the effect of cable self gravitation cause taking place loosening between the cable nose of crimping cable and the cable conductor and because of electronic stress to the influence of cable fixing bolt with the loosening generation of cable fixed terminal row, improved the cable reliability of operation, avoided cable vault's internal cause cable conductor to contact unreliable and sparking that resistance that cause produces after increasing with cable fixed terminal row is loosening with cable nose and cable fixing bolt, the generation of heating phenomenon.The double formula design on chassis, cable vault and the effect of single-phase the two common sealing of cable Rubber washer simultaneously improved the airtight performance of cable vault greatly.
For achieving the above object, the utility model has adopted following technical scheme:
A kind of switchgear house cable fixture, comprise fFour piece type conical external screw thread pipe, single-phase cable clamp nut, Rubber washer, half leaf brace, half leaf brace fastening bolt, two halves formula chassis and two halves formula chassis set bolt, said fFour piece type conical external screw thread pipe, single-phase cable clamp nut screws mating reaction and will pass through the threephase cable of fFour piece type conical external screw thread pipe and promote respectively by the two, fixing, said Rubber washer is arranged on fFour piece type conical external screw thread pipe inside, owing to adopt the outer ring thick in design, the thin design of inner ring, can guarantee conveniently to pass through by the single-phase cable of fFour piece type conical external screw thread pipe, and play the effect in space around the single-phase cable of sealing, said half leaf brace, half leaf brace fastening bolt plays connection two halves fFour piece type conical external screw thread pipe and fixedly two halves formula chassis effect, and said two halves formula chassis and two halves formula chassis set bolt can play the purpose of bottom, the hermetically-sealed cable chamber cable aperture of opening.In specific implementation process, at first Rubber washer is passed the threephase cable terminals that reason nearby finishes, crimping cable nose and the cable terminal in cable nose and cable vault row is connected and fixed on the threephase cable terminals then, the two halves formula chassis that will have fFour piece type conical external screw thread pipe is thereafter inserted in the cable vault, with single-phase cable clamp nut threephase cable is fixed after putting on threephase cable by manpower, and then connect fixedly two halves formula chassis of half leaf brace, finally realized the lifting of cable, the purpose of fixing and hermetically-sealed cable chamber.
The utility model has more following effects and good effect:
A kind of switchgear house cable fixture, practical this device can promote with the cable that cable vault's connecting terminal block is connected entering switchgear house switch cubicle bottom along cable trough (cable testing bridge), fixing, with alleviate because of the effect of cable self gravitation cause taking place loosening between the cable nose of crimping cable and the cable conductor and because of electronic stress to the influence of cable fixing bolt with the loosening generation of cable fixed terminal row, improved the cable reliability of operation, avoided that cable vault's internal cause cable conductor and cable nose and cable fixing bolt and cable fixed terminal row are loosening contact unreliablely, and caused contact resistance to increase the sparking of back generation, the generation of heating phenomenon.The double formula design on chassis, cable vault and the effect of single-phase the two common sealing of cable Rubber washer simultaneously improved the airtight performance of cable vault greatly.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described in detail:
Fig. 1 is this device front view;
Fig. 2 is this device vertical view.
Reference numeral: 1, cable fixing bolt; 2, cable nose; 3, cable fixed terminal row; 4, cable; 5, half leaf brace fastening bolt; 6, two halves formula chassis; 7, single-phase cable clamp nut; 8, fFour piece type conical external screw thread pipe; 9, half leaf brace; 10, Rubber washer; 11, two halves formula chassis set bolt.
Embodiment
Embodiment 1:
See Fig. 1, Fig. 2
A kind of switchgear house cable fixture, comprise fFour piece type conical external screw thread pipe (8), single-phase cable clamp nut (7), Rubber washer (10), half leaf brace (9), half leaf brace fastening bolt (5), two halves formula chassis (6) and two halves formula chassis set bolt (11), said fFour piece type conical external screw thread pipe (8), single-phase cable clamp nut (7) screws mating reaction and will pass through the threephase cable (4) of fFour piece type conical external screw thread pipe (8) and promote respectively by the two, fixing, said Rubber washer (10) is arranged on fFour piece type conical external screw thread pipe (8) inside, owing to adopt the outer ring thick in design, the thin design of inner ring, can guarantee conveniently to pass through by the single-phase cable (4) of fFour piece type conical external screw thread pipe (8), and play the effect in space around the single-phase cable of sealing () 4, said half leaf brace (9), half leaf brace fastening bolt (5) plays connection two halves fFour piece type conical external screw thread pipes (8) and fixedly two halves formula chassis (6) effect, and said two halves formula chassis (6) and two halves formula chassis set bolt (11) can play the purpose of bottom, the hermetically-sealed cable chamber cable aperture of opening.
Claims (1)
1. switchgear house cable fixture, it is characterized in that it comprises fFour piece type conical external screw thread pipe (8), single-phase cable clamp nut (7), Rubber washer (10), half leaf brace (9), half leaf brace fastening bolt (5), two halves formula chassis (6) and two halves formula chassis set bolt (11), said fFour piece type conical external screw thread pipe (8), single-phase cable clamp nut (7) screws mating reaction and will pass through the threephase cable (4) of fFour piece type conical external screw thread pipe (8) and promote respectively by the two, fixing, said Rubber washer (10) is arranged on fFour piece type conical external screw thread pipe (8) inside, owing to adopt the outer ring thick in design, the thin design of inner ring, can guarantee conveniently to pass through by the single-phase cable (4) of fFour piece type conical external screw thread pipe (8), and play sealing single-phase cable (4) effect in space all around, said half leaf brace (9), half leaf brace fastening bolt (5) plays connection two halves fFour piece type conical external screw thread pipes (8) and fixedly two halves formula chassis (6) effect, and said two halves formula chassis (6) and two halves formula chassis set bolt (11) can play the purpose of bottom, the hermetically-sealed cable chamber cable aperture of opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200352074U CN202084876U (en) | 2011-01-26 | 2011-01-26 | Cable fixing device for power distribution room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200352074U CN202084876U (en) | 2011-01-26 | 2011-01-26 | Cable fixing device for power distribution room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202084876U true CN202084876U (en) | 2011-12-21 |
Family
ID=45345493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200352074U Expired - Fee Related CN202084876U (en) | 2011-01-26 | 2011-01-26 | Cable fixing device for power distribution room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202084876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451320A (en) * | 2016-11-24 | 2017-02-22 | 国网新疆电力公司物资公司 | Electric power connection device |
| CN108988191A (en) * | 2018-09-30 | 2018-12-11 | 聂刚 | A kind of Cubicle Gas-Insulated Switchgear of novel environment friendly |
-
2011
- 2011-01-26 CN CN2011200352074U patent/CN202084876U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451320A (en) * | 2016-11-24 | 2017-02-22 | 国网新疆电力公司物资公司 | Electric power connection device |
| CN108988191A (en) * | 2018-09-30 | 2018-12-11 | 聂刚 | A kind of Cubicle Gas-Insulated Switchgear of novel environment friendly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20130126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |