CN104052012B - A kind of preventer at cable ground connection position - Google Patents
A kind of preventer at cable ground connection position Download PDFInfo
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- CN104052012B CN104052012B CN201410308380.5A CN201410308380A CN104052012B CN 104052012 B CN104052012 B CN 104052012B CN 201410308380 A CN201410308380 A CN 201410308380A CN 104052012 B CN104052012 B CN 104052012B
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Abstract
Originally the invention discloses the preventer at a kind of cable ground connection position, including guard shield, guard shield includes the opposite outer end guard shield and the opposite intervening guard shell that are coaxially disposed, outer end guard shield and intervening guard shell involutory after be respectively formed both ends open, the cable passing cavity of side-closed, outer end guard shield includes the first outer end guard shield, intervening guard shell is axially movable formula and is socketed within the first outer end guard shield or the formula that is axially movable is socketed in outside the first outer end guard shield, outer end guard shield is arranged on the cable sheath outside outer end, cable ground connection position when using, when intervening guard shell uses, relative first outer end guard shield moves axially, and cover and expose cable ground connection position；This present configuration is simple, easy to use, construction safety, it is possible to long-term safety protection cable ground connection position, it is to avoid the wasting of resources。
Description
Technical field
The present invention relates to power supply technology, be specifically related to the preventer at a kind of cable ground connection position。
Background technology
Ensureing that power network safety operation is particularly significant, cable connection processes bad, can produce to people, live and bring a lot of puzzlement, even there is potential safety hazard。The existing cable with sheath is when ground connection, need to by its sheath strip off or puncture, carry out ground connection, and only cable ground connection position is carried out after ground connection simple waterproof, damp-proof treatment, as being simply coated with electrical adhesive tape, can be hardening during low temperature, become fragile, high temperature is deliquescing then, the impact expanded with heat and contract with cold, not only waterproof, moisture effect is bad, and owing to electrical adhesive tape uses the meeting of time length aging, thus causing that cable ground connection position is perishable, affect its electric conductivity, the service life allowing cable shortens, in order to overcome these defects, invent a series of for cable ground protection device, such as the earlier application that the patent No. is, the waterproof of these ground protection devices, moistureproof, antioxidant effect is good, highly versatile, safety is good, problem remain, however, that
1, existing preventer or structure are simple not, or use easy not, and production, use cost height cause the waste of certain human and material resources。
The involutory protecting crust majority covering ground connection position when 2, using all needs to open, and just can expose ground connection position, and when closing protecting crust, then need point shell Guan Bi manually will opened, be not easy to operation, and people and the grounding parts distance of positions are from close to too, working security reduces, and threatens the life security of workmen。
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, easy to use, construction safety, it is possible to long-term safety protection cable ground connection position, it is to avoid the preventer at the cable ground connection position of the wasting of resources。
The present invention is achieved through the following technical solutions:
A kind of preventer at cable ground connection position, including guard shield, it is characterized in that: described guard shield includes the opposite outer end guard shield and the opposite intervening guard shell that are coaxially disposed, outer end guard shield and intervening guard shell involutory after be respectively formed both ends open, the cable passing cavity of side-closed, outer end guard shield includes the first outer end guard shield, intervening guard shell is axially movable formula and is socketed within the first outer end guard shield or the formula that is axially movable is socketed in outside the first outer end guard shield, outer end guard shield is arranged on the cable sheath outside outer end, cable ground connection position when using, when intervening guard shell uses, relative first outer end guard shield moves axially, and cover and expose cable ground connection position, namely can covering cable line ground connection position when intervening guard shell stretches out, intervening guard shell can expose cable ground connection position when retracting。
The further improvement project of the present invention includes:
Described intervening guard casing is connected on outside described first outer end guard shield, and the outer surface thread of intervening guard inner surface of outer cover and the first outer end guard shield connects, shape projection or thread-like groove can be threaded at intervening guard inner surface of outer cover, be threaded shape groove or screw-like projection accordingly at the outer surface of the first outer end guard shield；When cable installs preventer, first the first outer end guard shield is arranged on the cable sheath outside outer end, cable ground connection position, intervening guard casing is connected on the first guard shield periphery, outer end again, then execute and turn intervening guard shell, until by complete in cladding for the dew part at cable ground connection position, cable ground connection position can be protected, when overhauling circuit, workmen only need to execute in distance one end farther out, cable ground connection position and turn intervening guard shell, intervening guard shell just can be made to retract to the first guard shield periphery, outer end and expose cable ground connection position, to connect earth lead, work progress need not be opened point shell of guard shield, use more easy。
Described first outer end guard shield includes at least two to be fixed the first outer end of connection and divides shell, one the first outer end divides the side of shell to be provided with first protruding and/or the first shrinkage pool, first outer end adjacent thereto divides the corresponding side surface of shell to be provided with the first matched shrinkage pool and/or the first projection, first protruding setting makes adjacent first outer end divide shell involutory fixing in corresponding first shrinkage pool, and constitutes the first involutory outer end guard shield。This kind of structure is advantageous in that, although the first outer end guard shield is butted structure, but its outer surface is smooth structure, intervening guard shell its periphery smoothly can be made to move, it alternate manner can certainly be adopted to connect the first outer end and to divide shell, as long as can be preferred for making the first outer end guard shield smooth outer surface。Intervening guard shell now includes at least two to be fixed the centre of connection and divides shell, the fixing connections of mode such as can passing through that hinge/buckle/docking is buckled between shell is divided in adjacent centre, intervening guard enclosure closed it is fixed also by other retaining mechanism, as long as can be made。
Preferably the first outer end guard shield is more than the half of grounding parts bit length, the axial length of intervening guard shell is equal to or more than the length at cable ground connection position, the length sum at the first outer end guard shield and cable ground connection position is more than the length of intervening guard shell, first outer end guard shield is completely covered on the cable sheath outside outer end, ground connection position, this kind of structure, first outer end guard shield can consolidate and be arranged on cable sheath, and after the retraction of intervening guard shell, longer ground connection position can be exposed, in order to connect earth lead。
Described intervening guard casing is connected within described first outer end guard shield, and the outside of intervening guard shell is provided with tooth bar, and the first outer end guard shield and tooth bar corresponding position are provided with tooth bar guide groove, and tooth bar guide groove is provided with a guiding groove hole；Preventer also includes fixing, with the first outer end guard shield, the geared system being connected, geared system includes toothed disc and gear shaft, toothed disc side is connected through guiding groove hole and tooth bar, and geared system drives intervening guard shell to move axially along the first outer end guard shield and cover and expose described cable ground connection position。
Described first outer end guard shield is provided with projecting apertures, and described gear shaft is arranged on to be fixed with the first outer end guard shield in projecting apertures。Preferred geared system also includes controlling the handle that described toothed disc rotates around described gear shaft, the setting of handle can ensure that the farther relative first outer end guard shield of position control intervening guard shell in builder distance cable ground connection position is displaced outwardly and covering cable line ground connection position, or relative first outer end guard shield moves inward and exposes cable ground connection position, increase working security。
Described intervening guard shell includes at least two to be fixed the centre of connection and divides shell, one centre divides the side of shell to be provided with intermediate projections and/or middle shrinkage pool, centre adjacent thereto divides the corresponding side surface of shell to be provided with matched middle shrinkage pool and/or intermediate projections, intermediate projections arranges and makes adjacent centre divide shell involutory fixing in corresponding middle shrinkage pool, and constitutes involutory intervening guard shell。This kind of structure is advantageous in that, although intervening guard shell is butted structure, but its outer surface is smooth structure, can move in the first outer end guard shield smoothly, it alternate manner can certainly be adopted to connect middle point shell, as long as can be preferred that intervening guard outer surface of outer cover can be made smooth。The first outer end guard shield now includes at least two to be fixed the first outer end of connection and divides shell, the fixing connections of mode such as can passing through that hinge/buckle/docking is buckled between shell is divided in adjacent first outer end, the first outer end guard shield it is fixed also by other retaining mechanism, as long as can be made to remain closed。
The internal diameter away from the one end at described cable ground connection position of described first outer end guard shield is little, one end internal diameter near cable ground connection position is big, form an internal diameter gradient, the big side of internal diameter arranges intervening guard shell in it, the side that internal diameter is little is used for fixing with cable sheath, save material on the one hand, also allow for the water-proofing treatment between the first outer end guard shield and cable sheath on the other hand。
Described outer end guard shield also includes the second outer end guard shield, when the relatively described first outer end guard shield of described intervening guard shell moves to greatest extent, its one end is socketed within the second outer end guard shield or is socketed on outside the second outer end guard shield, and described cable ground connection position is covered by the first outer end guard shield, the second outer end guard shield and the intervening guard shell that is arranged between completely。
Preferably the second outer end guard shield inside dimension near one end of intervening guard shell or external dimensions and intervening guard shell are suitable, enable the second outer end guard shield and intervening guard shell tight fit connection。
Preferably the second outer end guard shield includes at least two and fixes the second outer end of connection and divide shell, the fixing connections of mode such as can passing through that hinge/buckle/docking is buckled between shell is divided in adjacent second outer end, it is fixed also by other retaining mechanism, locks as long as the second outer end guard shield can be made to remain closed。
Described second outer end guard shield includes at least two to be fixed the second outer end of connection and divides shell, adjacent described first outer end is divided between shell, adjacent second outer end is divided between shell, adjacent described centre is divided between shell and is provided with sealing joint strip between the termination of the termination of described intervening guard shell and described outer end guard shield, after involutory, outer end guard shield, intervening guard shell and sealing joint strip constitute both ends open, the preventer at the cable ground connection dew place of side seal, preferably at apposition position, connecting end and cooperative end part etc. is not that integrative-structure relates to the position in gap and all arranges sealing joint strip。
Before cable arranges the preventer at a kind of cable ground connection position, preferably cable ground connection position is carried out anti-water pretreatment, anti-water pretreatment includes at cable ground connection position coated metal paper tinsel, between metal forming termination and cable sheath, it is wound around adhesive tape, metal forming termination and cable sheath close with it is covered simultaneously。
Fixing for ease of intervening guard shell, it is possible to arranging involutory outer end protection inner shell between centre guard shield and the cable of the inside of the first outer end guard shield, the external diameter of outer end protection inner shell adapts with the internal diameter of intervening guard shell, and both are connected。
Present invention have the advantage that the preventer at a kind of cable ground connection position includes outer end guard shield and intervening guard shell; ground connection position is protected by both in cooperation; simple in construction, easy to use, construction safety; and point shell of each guard shield need not folding when maintenance; will not wear and tear, deform; long-term safety can protect cable ground connection position, it is possible to avoid the wasting of resources。
Accompanying drawing explanation
Fig. 1 is one of the structural representation of preventer at a kind of cable ground connection of present invention position；
Fig. 2 is the A-A profile of Fig. 1；
Fig. 3 is that the blast of Fig. 1 is with reference to figure；
Fig. 4 is structural representation during preventer protection cable (earth-free) in Fig. 1；
Fig. 5 is the two of the structural representation of the preventer at a kind of cable ground connection of present invention position；
Fig. 6 is the structural representation looking up direction of Fig. 5；
Fig. 7 is the B-B profile of Fig. 5；
Fig. 8 is the partial enlarged drawing at Fig. 6 C place；
Fig. 9 is structural representation during preventer protection cable (earth-free) in Fig. 5；
Wherein: wherein: 1-intervening guard shell, 11-tooth bar, point shell, 13-intermediate projections in the middle of 12-, shrinkage pool in the middle of 14-, 2-the first outer end guard shield, 21-divides the first outer end shell, and 22-first is protruding, 23-the first shrinkage pool, 24-tooth bar guide groove, 241-guiding groove hole, 25-projecting apertures, 3-ground connection position, 4-cable sheath, 5-geared system, 51-toothed disc, 52-handle, 6-the second outer end guard shield, 61-divides the second outer end shell, 7-outer end protection inner shell。
Detailed description of the invention
Embodiment 1
As shown in the figure, the invention discloses the preventer at a kind of cable ground connection position, including guard shield, guard shield includes the opposite outer end guard shield and the opposite intervening guard shell 1 that are coaxially disposed, outer end guard shield and intervening guard shell 1 involutory after be respectively formed both ends open, the cable passing cavity of side-closed, outer end guard shield includes the first outer end guard shield 2, intervening guard shell 1 is axially movable formula and is socketed within the first outer end guard shield 2 or the formula that is axially movable is socketed in outside the first outer end guard shield 2, outer end guard shield is arranged on the cable sheath 4 outside outer end, cable ground connection position 3 when using, intervening guard shell 1 when using relative first outer end guard shield 2 move axially, and cover and expose cable ground connection position 3, namely can covering cable line ground connection position 3 when intervening guard shell 1 stretches out, cable ground connection position 3 can be exposed when intervening guard shell 1 is retracted。
As shown in Figures 1 to 4, preferred intervening guard shell 1 is socketed in outside the first outer end guard shield 2, and the outer surface thread of intervening guard shell 1 inner surface and the first outer end guard shield 2 connects, shape projection or thread-like groove can be threaded at intervening guard shell 1 inner surface, be threaded shape groove or screw-like projection accordingly at the outer surface of the first outer end guard shield 2；When cable installs preventer, first the first outer end guard shield 2 is arranged on the cable sheath 4 outside outer end, cable ground connection position 3, intervening guard shell 1 is socketed in the first outer end guard shield 2 periphery again, then execute and turn intervening guard shell 1, until by complete in cladding for the dew part at cable ground connection position 3, cable ground connection position 3 can be protected, when overhauling circuit, workmen only need to execute in distance one end farther out, cable ground connection position 3 and turn intervening guard shell 1, intervening guard shell 1 just can be made to retract to the first outer end guard shield 2 periphery and expose cable ground connection position 3, to connect earth lead, work progress need not be opened point shell of guard shield, use more easy。
Preferably the first outer end guard shield 2 includes at least two and fixes the first outer end of connection and divide shell 21, one the first outer end divides the side of shell 21 to be provided with the first protruding 22 and/or first shrinkage pool 23, first outer end adjacent thereto divides the corresponding side surface of shell 21 to be provided with the first matched shrinkage pool 23 and/or the first projection 22, first protruding 22 settings make adjacent first outer end divide shell 21 involutory fixing in corresponding first shrinkage pool 23, and constitute the first involutory outer end guard shield 2。This kind of structure is advantageous in that, although the first outer end guard shield 2 is butted structure, but its outer surface is smooth structure, intervening guard shell 1 its periphery smoothly can be made to move, it alternate manner can certainly be adopted to connect the first outer end and to divide shell 21, as long as can be preferred for making the first outer end guard shield 2 smooth outer surface。Intervening guard shell 1 now includes at least two to be fixed the centre of connection and divides shell 12, the fixing connections of mode such as can passing through that hinge/buckle/docking is buckled between shell 12 is divided in adjacent centre, intervening guard shell 1 it is fixed also by other retaining mechanism, as long as can be made to close。
Preferably the first outer end guard shield 2 is more than the half of grounding parts bit length, the axial length of intervening guard shell 1 is equal to or more than the length at cable ground connection position 3, the length sum at the first outer end guard shield 2 and cable ground connection position 3 is more than the length of intervening guard shell 1, first outer end guard shield 2 is completely covered on the cable sheath 4 outside outer end, ground connection position 3, this kind of structure, first outer end guard shield 2 can consolidate and be arranged on cable sheath 4, and after intervening guard shell 1 retraction, longer ground connection position can be exposed, in order to connect earth lead。
Preferred outer end guard shield also includes the second outer end guard shield 6, when the relative first outer end guard shield 2 of intervening guard shell 1 moves to greatest extent, its one end is socketed within the second outer end guard shield 6 or is socketed on outside the second outer end guard shield 6, and cable ground connection position 3 is covered by first outer end guard shield the 2, second outer end guard shield 6 and the intervening guard shell 1 that is arranged between completely。
Preferably the second outer end guard shield 6 inside dimension near one end of intervening guard shell 1 or external dimensions and intervening guard shell 1 are quite, make the second outer end guard shield 6 can with intervening guard shell 1 tight fit connection。
Preferably the second outer end guard shield 6 includes at least two and fixes the second outer end of connection and divide shell 61, the fixing connections of mode such as can passing through that hinge/buckle/docking is buckled between shell 61 is divided in adjacent second outer end, it is fixed also by other retaining mechanism, locks as long as the second outer end guard shield 6 can be made to remain closed。
Preferably the second outer end guard shield includes at least two and fixes the second outer end of connection and divide shell 61, adjacent first outer end is divided between shell 21, adjacent second outer end is divided between shell 61, adjacent centre is divided between shell 12 and between termination inner surface and the termination outer surface of the first outer end guard shield of intervening guard shell 1, it is provided with sealing joint strip between termination outer surface or the inner surface of the termination inner surface of intervening guard shell 1 or outer surface and the first matched outer end guard shield, after involutory, outer end guard shield, intervening guard shell 1 and sealing joint strip constitute both ends open, the preventer at the cable ground connection dew place of side seal, preferably at apposition position, connecting end and cooperative end part etc. is not that integrative-structure relates to the position in gap and all arranges sealing joint strip。
Before cable arranges the preventer at a kind of cable ground connection position, preferably cable ground connection position is carried out anti-water pretreatment, anti-water pretreatment includes at cable ground connection position 3 coated metal paper tinsel, between metal forming termination and cable sheath 4, it is wound around adhesive tape, metal forming termination and cable sheath 4 close with it is covered simultaneously。
Embodiment 2:
The present embodiment has carried out following improvement on the basis of embodiment 1:
As shown in Figures 5 to 9, intervening guard shell 1 is socketed within the first outer end guard shield 2, the outside of intervening guard shell 1 is provided with tooth bar 11, and the first outer end guard shield 2 is provided with tooth bar guide groove 24 with tooth bar 11 corresponding position, and tooth bar guide groove 24 is provided with a guiding groove hole 241；Preventer also includes and the first fixing geared system 5 being connected of outer end guard shield 2, geared system 5 includes toothed disc 51 and gear shaft, toothed disc 51 side is connected through guiding groove hole 241 and tooth bar 11, and geared system 5 drives intervening guard shell 1 to move axially along the first outer end guard shield 2 and cover and expose cable ground connection position 3。
Preferably the first outer end guard shield 2 is provided with projecting apertures 25, and gear shaft is arranged in projecting apertures 25 and the first outer end guard shield 2 is fixed。Preferred geared system 5 also includes controlling the handle 52 that toothed disc 51 rotates around gear shaft, the setting of handle 52 can ensure that the farther relative first outer end guard shield 2 of position control intervening guard shell 1 in builder distance cable ground connection position 3 is displaced outwardly and covering cable line ground connection position 3, or relative first outer end guard shield 2 moves inward and exposes cable ground connection position 3, increase working security。
Preferred intervening guard shell 1 includes at least two to be fixed the centre of connection and divides shell 12, one centre divides the side of shell 12 to be provided with intermediate projections 13 and/or middle shrinkage pool 14, centre adjacent thereto divides the corresponding side surface of shell 12 to be provided with matched middle shrinkage pool 14 and/or intermediate projections 13, intermediate projections 13 arranges and makes adjacent centre divide shell 12 involutory fixing in corresponding middle shrinkage pool 14, and constitutes involutory intervening guard shell 1。This kind of structure is advantageous in that, although intervening guard shell 1 is butted structure, but its outer surface is smooth structure, can be mobile in the first outer end guard shield 2 smoothly, it alternate manner can certainly be adopted to connect middle point shell 12, as long as can be preferred for making intervening guard shell 1 smooth outer surface。The first outer end guard shield 2 now includes at least two to be fixed the first outer end of connection and divides shell 21, the fixing connections of mode such as can passing through that hinge/buckle/docking is buckled between shell 21 is divided in adjacent first outer end, the first outer end guard shield 2 it is fixed also by other retaining mechanism, as long as can be made to remain closed。
Preferably the internal diameter away from the one end at cable ground connection position 3 of the first outer end guard shield 2 is little, one end internal diameter near cable ground connection position 3 is big, form an internal diameter gradient, the big side of internal diameter arranges intervening guard shell 1 in it, the side that internal diameter is little is used for fixing with cable sheath 4, save material on the one hand, also allow for the water-proofing treatment between the first outer end guard shield 2 and cable sheath 4 on the other hand。
Preferably the second outer end guard shield includes at least two and fixes the second outer end of connection and divide shell 61, adjacent first outer end is divided between shell 21, adjacent second outer end is divided between shell 61, adjacent centre is divided between shell 12, it is provided with sealing joint strip between outer surface and the termination inner surface of the first outer end guard shield of the termination of intervening guard shell 1 and between the termination outer surface of intervening guard shell 1 or termination outer surface or the inner surface of inner surface and the first matched outer end guard shield, after involutory, outer end guard shield, intervening guard shell 1 and sealing joint strip constitute both ends open, the preventer at the cable ground connection dew place of side seal, preferably at apposition position, connecting end and cooperative end part etc. is not that integrative-structure relates to the position in gap and all arranges sealing joint strip。
Fixing for ease of intervening guard shell, involutory outer end protection inner shell 7 also can be set between centre guard shield 1 and the cable of the inside of the first outer end guard shield 2, the external diameter of outer end protection inner shell 7 adapts with the internal diameter of intervening guard shell 1, and both are connected。
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (7)
1. the preventer at a cable ground connection position, including guard shield, it is characterized in that: described guard shield includes the opposite outer end guard shield and opposite intervening guard shell (1) that are coaxially disposed, outer end guard shield and intervening guard shell (1) involutory after be respectively formed both ends open, the cable passing cavity of side-closed, outer end guard shield includes the first outer end guard shield (2), intervening guard shell (1) formula of being axially movable is socketed within the first outer end guard shield (2), outer end guard shield is arranged on the cable sheath (4) outside cable ground connection position (3) outer end when using, when intervening guard shell (1) uses, relative first outer end guard shield (2) moves axially, and cover and expose cable ground connection position (3)；The outside of intervening guard shell (1) is provided with tooth bar (11), and the first outer end guard shield (2) and tooth bar (11) corresponding position are provided with tooth bar guide groove (24), and tooth bar guide groove (24) is provided with a guiding groove hole (241)；Preventer also includes the geared system (5) that be connected fixing with the first outer end guard shield (2), geared system (5) includes toothed disc (51) and gear shaft, toothed disc (51) side is connected through guiding groove hole (241) and tooth bar (11), and geared system (5) drives intervening guard shell (1) to move axially along the first outer end guard shield (2) and cover and expose cable ground connection position (3)。
2. the preventer at cable ground connection position according to claim 1, it is characterized in that: described intervening guard shell (1) includes at least two and fixes the centre of connection and divide shell (12), one centre divides the side of shell (12) to be provided with intermediate projections (13) and/or middle shrinkage pool (14), centre adjacent thereto divides the corresponding side surface of shell (12) to be provided with matched middle shrinkage pool (14) and/or intermediate projections (13), intermediate projections (13) arranges and makes adjacent centre divide shell (12) involutory fixing in corresponding middle shrinkage pool (14), and constitute involutory intervening guard shell (1)。
3. the preventer at a kind of cable ground connection position according to claim 1, it is characterized in that: the internal diameter away from one end of described cable ground connection position (3) of described first outer end guard shield (2) is little, one end internal diameter near cable ground connection position (3) is big。
4. the preventer at a kind of cable ground connection position according to claim 1, it is characterized in that: described first outer end guard shield (2) is provided with projecting apertures (25), described gear shaft is arranged in projecting apertures (25) and the first outer end guard shield (2) is fixed。
5. the preventer at a kind of cable ground connection position according to claim 1, it is characterised in that: described geared system (5) also includes controlling the handle (52) that described toothed disc (51) rotates around described gear shaft。
6. the preventer at a kind of cable ground connection position according to any claim in claim 1-5, it is characterized in that: described outer end guard shield also includes the second outer end guard shield (6), when the relatively described first outer end guard shield (2) of described intervening guard shell (1) moves to greatest extent, its one end is socketed within the second outer end guard shield (6) or is socketed on outside the second outer end guard shield (6), and the first outer end guard shield (2), described cable ground connection position (3) is covered by the second outer end guard shield (6) and the intervening guard shell (1) being arranged between completely。
7. the preventer at a kind of cable ground connection position according to claim 6, it is characterized in that: described first outer end guard shield (2) includes at least two to be fixed the first outer end of connection and divide shell (21), and adjacent first outer end divides fixing connection between shell (21) that the first outer end guard shield (2) can be made to remain closed；
Described intervening guard shell (1) includes at least two and fixes the centre of connection and divide shell (12), and adjacent centre divide intervening guard shell (1) smooth outer surface being formed by fixedly connecting between shell (12) and can be mobile in the first outer end guard shield (2) smoothly；
Described second outer end guard shield (6) includes at least two to be fixed the second outer end of connection and divides shell (61)；
Adjacent first outer end is divided between shell (21), adjacent second outer end is divided between shell (61), adjacent centre is divided between shell (12) and is provided with sealing joint strip between the termination of intervening guard shell (1) and the termination of outer end guard shield, after involutory, outer end guard shield, intervening guard shell (1) and sealing joint strip constitute the preventer at the cable ground connection dew place of both ends open, side seal。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308380.5A CN104052012B (en) | 2014-07-01 | 2014-07-01 | A kind of preventer at cable ground connection position |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308380.5A CN104052012B (en) | 2014-07-01 | 2014-07-01 | A kind of preventer at cable ground connection position |
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| CN104052012A CN104052012A (en) | 2014-09-17 |
| CN104052012B true CN104052012B (en) | 2016-06-22 |
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| CN201410308380.5A Active CN104052012B (en) | 2014-07-01 | 2014-07-01 | A kind of preventer at cable ground connection position |
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| CN109830817A (en) * | 2019-03-10 | 2019-05-31 | 珠海市中力电力设备有限公司 | The anti-down power supply unit of slidingtype |
| CN112072538A (en) * | 2020-07-20 | 2020-12-11 | 广东电网有限责任公司 | Anti-falling power supply device and method |
| CN112820496B (en) * | 2021-01-05 | 2022-09-06 | 山西华兴铝业有限公司 | Transformer power cord seal protection subassembly |
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| CN103094775A (en) * | 2013-01-31 | 2013-05-08 | 广州番禺电缆集团有限公司 | Protective device and waterproof and humidity-proof processing mechanism used for cable ground exposing position |
| CN203135095U (en) * | 2013-01-31 | 2013-08-14 | 广州番禺电缆集团有限公司 | Waterproof and moistureproof apparatus for grounding position of cable conductor |
| CN204012627U (en) * | 2014-07-01 | 2014-12-10 | 广州番禺电缆集团有限公司 | The protector at cable ground connection position |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104052012A (en) | 2014-09-17 |
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