CN107872024A - A kind of low tension switch hotline maintenance instrument - Google Patents

A kind of low tension switch hotline maintenance instrument Download PDF

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Publication number
CN107872024A
CN107872024A CN201711381254.2A CN201711381254A CN107872024A CN 107872024 A CN107872024 A CN 107872024A CN 201711381254 A CN201711381254 A CN 201711381254A CN 107872024 A CN107872024 A CN 107872024A
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CN
China
Prior art keywords
plate
phases
phase
low tension
tension switch
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.)
Pending
Application number
CN201711381254.2A
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Chinese (zh)
Inventor
王福菊
沈晓峰
徐友刚
刘小榕
赵斯韦
王建高
傅铭
李建宁
顾华
巨国娇
马晔辉
陈依
王兴亮
黄冀华
吴继建
梅欣
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State Grid Shanghai Electric Power Co Ltd
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State Grid Shanghai Electric Power 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 State Grid Shanghai Electric Power Co Ltd filed Critical State Grid Shanghai Electric Power Co Ltd
Priority to CN201711381254.2A priority Critical patent/CN107872024A/en
Publication of CN107872024A publication Critical patent/CN107872024A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Distribution Board (AREA)

Abstract

The invention discloses a kind of low tension switch hotline maintenance instrument, including the first three phase isolated baffle plate, the second three phase isolated baffle plate, BC phases insulation barrier, C phases insulation barrier, single-phase insulation barrier and insulation operation spanner;The first left plate and the first right plate of first three phase isolated baffle plate are arranged with three bus slots, and the second left plate and the second right plate of the second three phase isolated baffle plate are arranged with three bus slots;The 3rd left plate and the 3rd right plate of BC phase insulation barriers are arranged with two bus slots;The 4th left plate and the 4th right plate of C phase insulation barriers are arranged with a bus slot;Single-phase insulation barrier is one flat plate, provided with a horizontal slot.It has the technical effect that:The security of operation is can ensure that, ensures the personal safety of operating personnel;The power failure range that power failure area becomes from original whole case is reduced to the power failure range in the low tension switch loop for needing to overhaul, test or change.

Description

A kind of low tension switch hotline maintenance instrument
Technical field
The present invention relates to a kind of low tension switch hotline maintenance instrument in electrician tool field.
Background technology
Case becomes in the process of running because of a variety of causes, and low tension switch occurs that failure needs to overhaul, test or change.It is and traditional Maintenance, experiment or to change the method for low tension switch be that the high pressure inlet wire for becoming case has a power failure, case becomes overall and had a power failure, then maintenance, Low tension switch is changed in experiment, recovers power transmission again after maintenance, experiment or replacing low tension switch.The drawbacks of this method, is aobvious and easy See:Increase maintenance, experiment and early stage and the later stage work amount of changing low tension switch, are related to 10kV line outages, power off time Length, power failure area are big, influence user power utilization quality.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, there is provided a kind of low tension switch hotline maintenance instrument, its The security of operation is can ensure that, ensures the personal safety of operating personnel;The power failure range that power failure area becomes from original whole case subtracts Few power failure range to the low tension switch loop for needing to overhaul, test or change.
Realizing a kind of technical scheme of above-mentioned purpose is:A kind of low tension switch hotline maintenance instrument, including the first three-phase are exhausted Edge baffle plate, the second three phase isolated baffle plate, BC phases insulation barrier, C phases insulation barrier, single-phase insulation barrier and insulation operation spanner;
The first three phase isolated baffle plate is made up of the first left plate, the first right plate, the first top plate and the first front side board, First left plate and first right plate are arranged with three bus slots;
The second three phase isolated baffle plate is made up of the second left plate, the second right plate, the second top plate and the second front side board, Second left plate and second right plate are arranged with three bus slots;
The BC phases insulation barrier is made up of the 3rd left plate, the 3rd right plate, the 3rd top plate and the 3rd front side board, described 3rd left plate and the 3rd right plate are arranged with two bus slots;
The C phases insulation barrier is made up of the 4th left plate, the 4th right plate, the 4th top plate and the 4th front side board, described 4th left plate and the 4th right plate are arranged with a bus slot;
The single-phase insulation barrier is one flat plate, provided with a horizontal slot.
Further, the first top plate of the first three phase isolated baffle plate be provided with can be with the zero line lead-in line row of low tension switch The zero line lead-in line row neck of clamping;
3rd top plate of the BC phases insulation barrier is provided with can be with the A phase inlet wires of the A phase lead-in line row clampings of low tension switch Arrange neck;
4th top plate of the C phases insulation barrier is provided with can be with the B phase lead-in line rows of the B phase lead-in line row clampings of low tension switch Neck.
Further, the first three phase isolated baffle plate and the second three phase isolated baffle plate are contour, and the BC phases insulate The height of baffle plate is less than the height of the first three phase isolated baffle plate, and the height of the C phases insulation barrier is exhausted less than the BC phases The height of edge baffle plate.
Further, the first three phase isolated baffle plate, the second three phase isolated baffle plate, the BC phases insulation barrier, The C phases insulation barrier and the single-phase insulation barrier are made by transparent insulating materials.
Further, the insulation operation spanner is the first insulation operation spanner or the second insulation operation spanner;
The first insulation operation spanner includes being used for the sleeve part for operating low tension switch, for rotating the sleeve part Rotating part, pass through the connection axis connection coaxial with the sleeve part between the rotating part and the sleeve part;
The second insulation operation spanner includes being used for the wrench body for operating low tension switch, and is connected to the spanner The Handheld Division of body tail end.
Employ a kind of technical scheme of low tension switch hotline maintenance instrument of the present invention, including the first three phase isolated gear Plate, the second three phase isolated baffle plate, BC phases insulation barrier, C phases insulation barrier, single-phase insulation barrier and insulation operation spanner;It is described First three phase isolated baffle plate is made up of the first left plate, the first right plate, the first top plate and the first front side board, first left side Plate and first right plate are arranged with three bus slots;The second three phase isolated baffle plate is by the second left plate, second Right plate, the second top plate and the second front side board composition, second left plate and second right plate are arranged with three mothers Line slot;The BC phases insulation barrier is made up of the 3rd left plate, the 3rd right plate, the 3rd top plate and the 3rd front side board, described 3rd left plate and the 3rd right plate are arranged with two bus slots;The C phases insulation barrier is by the 4th left plate, Four right plates, the 4th top plate and the 4th front side board composition, the 4th left plate and the 4th right plate are arranged with one Bus slot;The single-phase insulation barrier is one flat plate, provided with a horizontal slot.It has the technical effect that:It can ensure that operation Security, ensure the personal safety of operating personnel;The power failure range that power failure area becomes from original whole case be reduced to need maintenance, Experiment or the power failure range in the low tension switch loop changed.
Brief description of the drawings
Fig. 1 is a kind of the first three phase isolated baffle arrangement schematic diagram of low tension switch hotline maintenance instrument of the present invention.
Fig. 2 is a kind of the second three phase isolated baffle arrangement schematic diagram of low tension switch hotline maintenance instrument of the present invention.
Fig. 3 is a kind of BC phase insulation barrier structural representations of low tension switch hotline maintenance instrument of the present invention.
Fig. 4 is a kind of C phase insulation barrier structural representations of low tension switch hotline maintenance instrument of the present invention.
Fig. 5 is a kind of single-phase insulation barrier structural representation of low tension switch hotline maintenance instrument of the present invention.
Fig. 6 is a kind of the first insulation operation spanner structural representation of low tension switch hotline maintenance instrument of the present invention.
Fig. 7 is a kind of the second insulation operation spanner structural representation of low tension switch hotline maintenance instrument of the present invention.
Fig. 8 is that a kind of low tension switch hotline maintenance instrument of the present invention uses schematic diagram before A phase lead-in line rows are dismantled.
Fig. 9 is that a kind of low tension switch hotline maintenance instrument of the present invention uses schematic diagram after B phase lead-in line rows are dismantled.
Embodiment
Refer to Fig. 1 to Fig. 9, the present inventor in order to preferably understand technical scheme, It is described in detail below by specifically embodiment, and with reference to accompanying drawing:
Low tension switch 9 includes horizontal A phases bus 91, B phases bus 92 and C phases bus 93.A phases bus 91, B phases bus 92 The first A phases lead-in line row 911, the first B phase lead-in line rows being vertically arranged in groups are sequentially provided between C phases bus 93 and input terminal 921 and the first C phases lead-in line row 931, the 2nd A phases lead-in line row 912, the 2nd B phases lead-in line row 922 and the 2nd C being vertically arranged in groups Phase lead-in line row 932, the 3rd A phases lead-in line row 913, the 3rd B phases lead-in line row 923 and the 3rd C phase lead-in line rows being vertically arranged in groups 933, and one perpendicular with the first A phases lead-in line row 911, the first B phases lead-in line row 921 and the position correspondence of the first C phases lead-in line row 931 Straight zero line lead-in line row 94.
A kind of low tension switch hotline maintenance instrument of the present invention, including the first three phase isolated baffle plate 1, the second three phase isolated gear Plate 2, BC phases insulation barrier 3, C phases insulation barrier 4, single-phase insulation barrier 5, and the first insulation operation spanner 6 and second insulate Operation spanner 7.
First three phase isolated baffle plate 1 is by the first left plate 11, the first right plate 12, the first top plate 13 and the first front side board 14 Form, three first bus slots 15 are arranged with the first left plate 11 and on the first right plate 12, corresponding to low tension switch 9 A phases bus 91, B phases bus 92 and C phases bus 93.Three first buses on first left plate 11 and on the first right plate 12 Slot 15 be arranged in parallel.First top plate 13 of the first three phase isolated baffle plate 1 is provided with corresponding with zero line lead-in line row 94 Zero line lead-in line row neck 16.
Second three phase isolated baffle plate 2 is by the second left plate 21, the second right plate 22, the second top plate 23 and the second front side board 24 Form, three second bus slots 25 are arranged with the second left plate 21 and on the second right plate 22, corresponding to low tension switch 9 A phases bus 91, B phases bus 92 and C phases bus 93.Three second buses on second left plate 21 and on the second right plate 22 Slot 25 be arranged in parallel.
BC phases insulation barrier 3 is by the 3rd left plate 31, the 3rd right plate 32,34 groups of the 3rd top plate 33 and the 3rd front side board Into symmetrically having two triple bus-bar slots 35 on the 3rd left plate 31 and the 3rd right plate 32, corresponding to the B phases of low tension switch 9 Bus 92 and C phases bus 93.With two triple bus-bar slots 35 on the 3rd right plate 32 it is parallel on 3rd left plate 31 Set.3rd top plate 33 is provided with the A phase lead-in line rows neck 36 corresponding to the 2nd A phases lead-in line row 912.
C phases insulation barrier 4 is included by the 4th left plate 41, the 4th right plate 42, the 4th top plate 43 and the 4th front side board 44 Form, a 4th bus slot 45 is arranged with the 4th left plate 41 and on the 4th right plate 42, corresponding to low tension switch 9 C phases bus 93.4th top plate 43 of C phases insulation barrier 4 is provided with the B phase lead-in line row cards corresponding to the 2nd B phases lead-in line row 922 Groove 46.
Single-phase insulation barrier 5 is one flat plate, provided with can with the A phases bus 91 of low tension switch 9, B phases bus 92 is horizontal inserts The horizontal slot 51 connect.
First three phase isolated baffle plate 1, the second three phase isolated baffle plate 2, BC phases insulation barrier 3, C phases insulation barrier 4 and single-phase Insulation barrier 5 is made by transparent insulating materials, such as lucite.The height h1 of first three phase isolated baffle plate 1 is equal to the The height h3 of height h2, the BC phase insulation barrier 3 of two three phase isolated baffle plates 92 is less than the height h1, C of the first three phase isolated baffle plate 1 The height h4 of phase insulation barrier 4 is less than the height h3 of BC phases insulation barrier 3, adapts to the needs of installation in low tension switch 9.
First insulation operation spanner 6 includes being used for the sleeve part 61 for operating low tension switch 9, the rotation for turnbarrel portion 61 Transfer part 62, it is connected between rotating part 62 and sleeve part 61 by the connecting shaft 63 coaxial with sleeve part 61.
Second insulation operation spanner 7 includes being used for the wrench body 71 for operating low tension switch 9, and is connected to wrench body The Handheld Division 72 of 71 tail ends.
During use:
As shown in figure 8, three first bus slots 15 on the first left plate 11 of the first three phase isolated baffle plate 1, and Three first bus slots 15 on first right plate 12 are corresponding with A phases bus 91, B phases bus 92 and C phases bus 93 horizontal slotting Connect, including the first A phases lead-in line row 911, the first B phases lead-in line row 921 and the insulation protection of the first C phases lead-in line row 931, the first A phases Lead-in line row 911, the first B phases lead-in line row 921 and the first C phases lead-in line row 931 are close to the first front side board 13.Zero line lead-in line row 94 is caught in In zero line lead-in line row neck 16, and it is close to the bottom land of zero line lead-in line row neck 16.
Three second bus slots 25 on second left plate 21 of the second three phase isolated baffle plate 2, and the second right plate Three second bus slots 25 and the 93 corresponding horizontal grafting of A phases bus 91, B phases bus 92 and C phases bus on 22, by the 3rd A Including phase lead-in line row 913, the 3rd B phases lead-in line row 923 and the insulation protection of the 3rd C phases lead-in line row 933, the 3rd A phases lead-in line row 913, 3rd B phases lead-in line row 923 and the 3rd C phases lead-in line row 933 are close to the second front side board 23.
It has been achieved in that the both ends of A phases bus 91, B phases bus 92 and C phases bus 93 and isolating for charging member.
Two triple bus-bar slots 35 on 3rd left plate 31 of BC phases insulation barrier 3, and on the 3rd right plate 32 Two triple bus-bar slot 35 and B phases buses 92 and C phases bus 93 horizontal grafting, by the 2nd B phases lead-in line row 922 and second Including the insulation protection of C phases lead-in line row 932, the 2nd B phases lead-in line row 922 and the 2nd C phases lead-in line row 932 are close to the 3rd front side board 33. 2nd A phases lead-in line row 912 is caught in A phase lead-in line rows neck 36, is close to the bottom land of A phase lead-in line rows neck 36.Thus achieve A phases Bus 91 and B phases bus 92, C phases bus 93 are isolated.Then the first insulation insulation operation spanner of operation spanner 6 or second is utilized 7 remove the 2nd A phases lead-in line row 912.
As shown in figure 9, after the 2nd A phases lead-in line row 912 is removed, the 4th on the 4th left plate 41 of C phases insulation barrier 3 is female The horizontal grafting of triple bus-bar slot 45 and C phases bus 93 on line slot 45, and the 4th right plate 44, the 2nd C phases are entered Including line arranges 932 insulation protections, the 2nd C phases lead-in line row 932 is close to the 4th front side board 43.2nd B phases lead-in line row 922 is caught in B phases In lead-in line row neck 46, and it is close to the bottom land of B phase lead-in line rows neck 46.Meanwhile the horizontal slot 51 of single-phase insulation barrier 5 is The top of two B phases lead-in line rows 922 and the 91 horizontal grafting of A phases bus, are achieved in A phase buses, female with B phases bus 92 and C phases Line 93 is isolated with live part, and the 2nd B phases lead-in line row 922 of low tension switch is removed.Then in the 2nd C phases lead-in line row 932 Top, the grafting of horizontal slot 51 and B phases bus 92 of single-phase insulation barrier 5, by the 2nd C phases lead-in line row 932 of low tension switch Remove.
Then overhaul, test or change low tension switch, after the completion of low tension switch and corresponding phase are installed in the opposite order Lead-in line row.
A kind of low tension switch hotline maintenance instrument of the present invention, the high of dielectric strength can reach more than 20kV/min, meet band The safety requirements of electric operation, European-type box change is widely used in, it is in light weight, carry, be easy for installation, using simple.
The present invention a kind of low tension switch hotline maintenance instrument, the first three phase isolated baffle plate 1, the second three phase isolated baffle plate 2, BC phases insulation barrier 3, C phases insulation barrier 4, single-phase insulation barrier 5, installation is simple, can guarantee that effective safe distance, security It is stronger, simultaneously because it belongs to rigid insulation shading tool, service life length, usually 8-10, it is not required to during to low tension switch 9 Application, which has a power failure, to be planned, and power failure area and power off time are greatly decreased.
A kind of low tension switch hotline maintenance instrument of the present invention, it can be ensured that the security of operation, ensure the people of operating personnel Body safety;The power failure range that power failure area becomes from original whole case is reduced to the low tension switch for needing to overhaul, test or change and returned Road power failure range, maintenance, the early stage of experiment and later stage work are reduced, without applying for 10 kilovolts of power failure plans.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention, And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above Change, modification will all fall in the range of claims of the present invention.

Claims (5)

  1. A kind of 1. low tension switch hotline maintenance instrument, it is characterised in that:Kept off including the first three phase isolated baffle plate, the second three phase isolated Plate, BC phases insulation barrier, C phases insulation barrier, single-phase insulation barrier and insulation operation spanner;
    The first three phase isolated baffle plate is made up of the first left plate, the first right plate, the first top plate and the first front side board, described First left plate and first right plate are arranged with three bus slots;
    The second three phase isolated baffle plate is made up of the second left plate, the second right plate, the second top plate and the second front side board, described Second left plate and second right plate are arranged with three bus slots;
    The BC phases insulation barrier is made up of the 3rd left plate, the 3rd right plate, the 3rd top plate and the 3rd front side board, and the described 3rd Left plate and the 3rd right plate are arranged with two bus slots;
    The C phases insulation barrier is made up of the 4th left plate, the 4th right plate, the 4th top plate and the 4th front side board, and the described 4th Left plate and the 4th right plate are arranged with a bus slot;
    The single-phase insulation barrier is one flat plate, provided with a horizontal slot.
  2. A kind of 2. low tension switch hotline maintenance instrument according to claim 1, it is characterised in that:First three phase isolated First top plate of baffle plate is provided with can be with the zero line lead-in line row neck of the zero line lead-in line row clamping of low tension switch;
    3rd top plate of the BC phases insulation barrier is provided with can be with the A phase lead-in line row cards of the A phase lead-in line row clampings of low tension switch Groove;
    4th top plate of the C phases insulation barrier is provided with can be with the B phase lead-in line row cards of the B phase lead-in line row clampings of low tension switch Groove.
  3. A kind of 3. low tension switch hotline maintenance instrument according to claim 1, it is characterised in that:First three phase isolated Baffle plate and the second three phase isolated baffle plate are contour, and the height of the BC phases insulation barrier is less than the first three phase isolated baffle plate Height, the height of the C phases insulation barrier is less than the height of the BC phases insulation barrier.
  4. A kind of 4. low tension switch hotline maintenance instrument according to claim 1, it is characterised in that:First three phase isolated Baffle plate, the second three phase isolated baffle plate, the BC phases insulation barrier, the C phases insulation barrier and the single-phase insulation barrier It is made by transparent insulating materials.
  5. A kind of 5. low tension switch hotline maintenance instrument according to claim 1, it is characterised in that:The insulation operation spanner For the first insulation operation spanner or the second insulation operation spanner;
    The first insulation operation spanner includes being used for the sleeve part for operating low tension switch, for rotating the rotation of the sleeve part Portion, pass through the connection axis connection coaxial with the sleeve part between the rotating part and the sleeve part;
    The second insulation operation spanner includes being used for the wrench body for operating low tension switch, and is connected to the wrench body The Handheld Division of tail end.
CN201711381254.2A 2017-12-20 2017-12-20 A kind of low tension switch hotline maintenance instrument Pending CN107872024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711381254.2A CN107872024A (en) 2017-12-20 2017-12-20 A kind of low tension switch hotline maintenance instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711381254.2A CN107872024A (en) 2017-12-20 2017-12-20 A kind of low tension switch hotline maintenance instrument

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CN107872024A true CN107872024A (en) 2018-04-03

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN111668053A (en) * 2020-05-22 2020-09-15 国网浙江东阳市供电有限公司 Insulating shielding cover for low-voltage knife switch and low-voltage knife switch

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CN206575081U (en) * 2017-02-16 2017-10-20 国网宁夏电力公司银川供电公司 Overhead transmission line insulated isolated device
CN206558940U (en) * 2017-02-28 2017-10-13 广西电网有限责任公司桂林供电局 A kind of anti-misoperation protective cover of relay protection outlet pressing plate
CN106684741A (en) * 2017-03-07 2017-05-17 国网浙江省电力公司检修分公司 Demounting auxiliary tool for substation screen-top miniature bus and application method of demounting auxiliary tool
CN207625172U (en) * 2017-12-20 2018-07-17 国网上海市电力公司 A kind of low tension switch hotline maintenance tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111668053A (en) * 2020-05-22 2020-09-15 国网浙江东阳市供电有限公司 Insulating shielding cover for low-voltage knife switch and low-voltage knife switch
CN111668053B (en) * 2020-05-22 2024-03-12 国网浙江东阳市供电有限公司 Insulating shielding cover for low-voltage knife switch and low-voltage knife switch

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Application publication date: 20180403