CN111431103B - Electrified dismouting insulator arrangement of low-voltage meter - Google Patents
Electrified dismouting insulator arrangement of low-voltage meter Download PDFInfo
- Publication number
- CN111431103B CN111431103B CN202010112464.7A CN202010112464A CN111431103B CN 111431103 B CN111431103 B CN 111431103B CN 202010112464 A CN202010112464 A CN 202010112464A CN 111431103 B CN111431103 B CN 111431103B
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- top seat
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- 239000012212 insulator Substances 0.000 title description 4
- 230000000875 corresponding Effects 0.000 claims abstract description 3
- 238000009413 insulation Methods 0.000 claims description 13
- 230000000149 penetrating Effects 0.000 claims description 2
- 239000002585 base Substances 0.000 description 35
- 238000010030 laminating Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000001360 synchronised Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000002965 rope Substances 0.000 description 1
Images
Classifications
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
Abstract
The invention discloses an electrified dismounting and insulating device of a low-voltage meter, which comprises a device body, wherein the device body comprises a top seat and a base which are correspondingly arranged, wire clamping grooves are correspondingly arranged on the base and the top seat, the top seat is connected with the base through a limiting part, the limiting part is of a fold type telescopic structure, a bundling groove is arranged on the limiting part corresponding to the wire clamping grooves, and calipers for clamping and connecting a connector are arranged between the limiting part and the base. Spacing portion cooperation calliper of formula of fold through the telescopic is spacing and is restrainted the end of a thread, has realized covering fast to the electrified line end, and then improves technical staff's work efficiency, and can effectively protect its personal safety.
Description
Technical Field
The invention relates to the technical field of electric power maintenance tools, in particular to an electrified dismounting and insulating device for a low-voltage meter.
Background
The improvement of the household electric meters by a power grid company is increased, more than 10 electric meters need to be replaced by each person every day on average by the current workers, the electric meters in residential areas are uniformly installed in meter boxes, the installation density is high, the operation space is small, the power failure operation can influence the domestic electricity consumption of residents in large areas, the live operation has high danger coefficient, the time consumption is long, and the like, and finally the work progress cannot be completed on time. The current electric meter is divided into a single-phase meter and a three-phase meter, wherein the single-phase meter is provided with 4 wire ends, the three-phase meter is provided with 8 wire ends, during the operation of electrification, the insulation treatment of the disassembled live wire head takes a lot of time, the insulation operation is mainly to wind the live wire head by using an insulating rubberized fabric at present, the electric shock risk is large, the time consumption is long, the current use of the cutting device matched with the insulating tape is improved, for example, a "cutter for electrical tape" disclosed in chinese patent literature, the utility model has the technical scheme that the utility model is characterized in that the publication number 'CN 204431306U' comprises a cut-off box body, wherein an electrical insulation tape is arranged in the cut-off box body, the cut-off box body comprises a first cut-off box body and a second cut-off box body, a ferrule is arranged at the top of the first cut-off box body and is connected with a hanging rope, a cavity is arranged at the front end of the first cut-off box body, a slot is arranged in the cavity, a blade is; first, the second cuts the outside of box body and all is equipped with a plurality of bolt holes, the second cuts the inside cavity that is of box body, the inside channel that is equipped with of cavity, first cut the box body and insert the channel and remove, this kind of structure is through first, the second cuts joining in marriage each other between the box body, make its channel be suitable for the width of electrician's insulating tape, first cut the box body and be equipped with the blade that cuts the adhesive tape, be used for cutting the adhesive tape, although bring certain convenient operation to technical staff, but the device of the kind still can not solve winding live wire end consuming time power and have risky problem.
Disclosure of Invention
Aiming at the problems of long time consumption and high risk in the prior art that the insulation tape is used for winding the live wire end, the invention provides the electrified dismounting insulation device of the low-voltage meter.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an electrified dismouting insulator arrangement of low-voltage meter, includes the device body, the device body is including corresponding footstock and the base that sets up, it is provided with the card wire casing to correspond on base and the footstock, footstock and base are connected through spacing portion, spacing portion is fold formula extending structure, it is provided with the receipts and restraints the groove to correspond the card wire casing in spacing portion, be provided with the calliper of block connecting terminal between spacing portion and the base. When the device body is not in use, the top seat and the base seat are arranged in a fitting manner, and the structure is convenient for technicians to carry; the limiting portion is evenly provided with folding wrinkles along the direction parallel to the base, when a technician needs to use the device body, the top seat and the base can be pulled open at any time to complete shaping of the limiting portion, the bundling grooves formed in the clamping groove on the top seat and the base and matched with the limiting portion can enable the technician to rapidly complete bundling and limiting of the live wire head, the live wire head is limited in the bundling grooves of the limiting portion, the calipers can clamp the unexposed portion of the live wire head after the live wire head reaches the bundling grooves, the relative position of the base and the live wire head is fixed, and finally the distance between the top seat and the base is adjusted according to the length of the exposed portion of the live wire head, so that the bundling grooves can fully wrap and limit the live wire head.
Preferably, a plurality of support rods are arranged on the base at equal intervals, the support rods are perpendicular to the base and are connected to the top seat in a penetrating mode, the support rod laminating limiting portions are arranged, and the wire clamping grooves are located between the adjacent support rods. The supporting rod is used for improving the structural rigidity of the unfolded device body, and the limit part is prevented from contracting due to external factors such as collision after being unfolded, so that the stability of the device body for bundling the live wire terminals is improved.
Preferably, the supporting rod is of a multi-section telescopic structure, a limiting piece is arranged at the top of the supporting rod, and the limiting piece is fixedly connected with the top of the top seat. The utility model discloses a device for fixing a device on a supporting rod, including bracing piece, footstock, spacing piece in bracing piece top is connected with the footstock, when the technical staff pulled open the footstock, spacing piece was along with the footstock synchronous motion, the multistage formula extending structure of bracing piece was elongated, the bracing piece possesses certain rigidity in flexible spacing portion relatively, needs sufficient pulling force or pressure just to make its length change, consequently can improve the anti deformability of device body under the operating condition in the certain degree.
Preferably, the limiting part is of a double-layer structure and comprises a first limiting layer and a second limiting layer which are arranged in an abutted mode, the bundling groove is formed in the first limiting layer, the top of the first limiting layer is fixedly connected with the top seat, and the bottom of the first layer is fixedly connected with the base; the top seat and the base are correspondingly provided with sliding grooves, and two ends of the second limiting layer are connected with the top seat and the base in a sliding mode through the sliding grooves. First spacing layer is used for binding up electrified end of a thread, and its binding up groove is side direction notch structure with calliper, card wire casing, can block electrified end of a thread fast, improves the work efficiency that technical staff wrapped up the isolated electrified end of a thread, second spacing layer is the same with spacing layer material, and the difference is that its sliding connection is in footstock and base, accomplishes binding up spacing back to electrified end of a thread when first spacing layer, and second spacing layer accessible spout is slided to the opposite face of first spacing layer working face by the first spacing layer position of laminating, accomplishes the cover to card wire casing, binding up the groove for binding up electrified end of a thread of inslot and being wrapped up completely between first spacing layer and second spacing layer.
Preferably, one end of the second limiting layer in the width direction is provided with a telescopic traction strip, two ends of the telescopic traction strip slide along the sliding groove, and the top of the telescopic traction strip is clamped with the sliding groove of the top seat. The second limiting layer can cover the working face of the limiting portion with the bundling groove under the traction of the telescopic traction strip, so that a technician can completely cover the surface of the bundling groove after bundling the electrified wire end, the wrapping covering capacity of the device body for the electrified wire end is further improved, the safety of the technician during electrified operation is improved, and the danger of the alternate short circuit of the electrified wire end is avoided. The top block of telescopic strip of pulling is in the spout of footstock for telescopic strip of pulling can stretch and contract along with the footstock in vertical direction, also can pull the horizontal slip of second spacing layer in the spout on the horizontal direction.
Preferably, the spout sets up along the outer profile line of footstock and forms the annular structure, the spout girth is L, the two card wire casing distances of the most distal end are a in the device body, the length of second spacing layer is greater than an, and is less than L-a. The spout is the annular structure, can ensure that the second limit layer is perpendicular freely to slide between footstock and base, and then can ensure that the second limit layer covers a plurality of card wire casing and inside receipts band electric wire end completely, improves the security of device body. The length of the second limiting layer is larger than a, so that all the wire clamping grooves can be completely covered in the working state, and the length of the second limiting layer is smaller than L-a, so that the interference on the beam collecting work of the wire clamping grooves can be avoided in the non-working state.
Preferably, the distance between the groove bottom of the wire clamping groove and the sliding groove is larger than the diameter of the live wire head installed inside the wire clamping groove. The depth of the wire clamping groove still cannot interfere the sliding groove when the wire clamping groove contains a live wire end, so that the second limiting layer is ensured to move smoothly in the sliding groove, and then the covering of all the wire clamping grooves is completed.
Preferably, one side of the first limiting layer, which is far away from the telescopic traction strip along the width direction, is provided with a clamping hook, the telescopic traction strip is provided with a via hole, and the clamping hook is connected with the via hole hanging clamp. Because of first spacing layer and the equal fixed connection of footstock and base, the pothook can be used for guaranteeing that the second spacing layer can remain the position stability after covering card wire casing and inside electrified end of a thread, can not cause the cover inefficacy because of outside atress with the via hole cooperation.
Therefore, the invention has the following beneficial effects: (1) the retractable fold type limiting part is matched with the calipers to limit and tighten the wire end, so that the quick covering of the charged wire end is realized, the working efficiency of technicians is improved, and the personal safety of the technicians can be effectively protected; (2) the supporting rod is used for improving the structural rigidity of the unfolded device body, and avoiding the contraction of the limiting part due to external factors such as collision and the like after the limiting part is unfolded, so that the stability of the device body in bundling the live wire terminals is improved; (3) after the first limiting layer finishes the bundling limiting of the live wire ends, the second limiting layer can slide to the opposite surface of the working surface of the first limiting layer from the position where the first limiting layer is attached through the sliding groove to finish the covering of the wire clamping groove and the bundling groove, so that the live wire ends in the bundling groove are completely wrapped between the first limiting layer and the second limiting layer; (4) the meter mounting and mounting speed of technicians is effectively improved, and the working efficiency of power maintenance is improved; (5) the bunching grooves in the device body are arranged in sequence, and technicians can arrange the positions of the live wire ends of different interfaces according to the position characteristics of the bunching grooves, so that confusion is avoided and memory is facilitated; (6) the electrified dismounting and mounting insulation device for the low-voltage meter can be repeatedly used, and compared with the one-time use of an insulation tape in the traditional technology, the electrified dismounting and mounting insulation device for the low-voltage meter can save the maintenance cost of an electric power system and is green and environment-friendly.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the non-operating state of the present invention.
Fig. 3 is a schematic view of the working state of the present invention.
In the figure: 1. the device body, 101, electrified stub, 2, footstock, 3, base, 4, card wire casing, 41, calliper, 5, spacing portion, 51, first spacing layer, 52, the spacing layer of second, 53, pothook, 6, bracing piece, 61, spacing piece, 7, spout, 8, telescopic draw the strip, 81, via hole, 9, receipts restraint groove.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
As shown in fig. 2, an electrified dismouting insulator arrangement of low-voltage meter, including device body 1, the device body is including footstock 2 and the base 3 that corresponds the setting, it is provided with card wire casing 4 to correspond on base and the footstock, footstock and base pass through spacing portion 5 and connect, spacing portion is fold formula extending structure, it is provided with receipts bundle groove 9 to correspond card wire casing in the spacing portion, be provided with the calliper 41 of block connecting terminal between spacing portion and the base. When the device body is not in use, the top seat and the base seat are arranged in a fitting manner, and the structure is convenient for technicians to carry; folding wrinkles are uniformly arranged on the limiting portion in the direction parallel to the base, when a technician needs to use the device body, the top seat and the base can be pulled open at any time to complete shaping of the limiting portion, the bundling grooves of the clamping groove matched with the limiting portion and arranged on the top seat and the base can enable the technician to rapidly complete bundling and limiting on the live wire head 101, the live wire head is limited in the bundling grooves of the limiting portion, the calipers can clamp the unexposed portion of the live wire head after the live wire head reaches the bundling grooves, the relative position of the base and the live wire head is fixed, and finally the distance between the top seat and the base is adjusted according to the length of the exposed portion of the live wire head, so that the bundling grooves can fully wrap and limit the live wire head. In this embodiment, the limiting portion is made of a foldable polyvinyl chloride sheet, has the characteristics of high toughness, oil resistance, acid and alkali resistance and wear resistance, and can perform insulation protection on both a gel coat portion of a live wire end and a lead portion exposed outside.
As shown in fig. 1, the equidistance is provided with a plurality of bracing pieces 6 on the base, the perpendicular base setting of bracing piece and through connection in footstock, the spacing portion of bracing piece laminating sets up, the card wire casing is located between the adjacent bracing piece. The supporting rod is used for improving the structural rigidity of the unfolded device body, and the limit part is prevented from contracting due to external factors such as collision after being unfolded, so that the stability of the device body for bundling the live wire terminals is improved. The support rod is of a multi-section telescopic structure, a limiting piece 61 is arranged at the top of the support rod, and the limiting piece is fixedly connected with the top of the top seat. The utility model discloses a device for fixing a device on a supporting rod, including bracing piece, footstock, spacing piece in bracing piece top is connected with the footstock, when the technical staff pulled open the footstock, spacing piece was along with the footstock synchronous motion, the multistage formula extending structure of bracing piece was elongated, the bracing piece possesses certain rigidity in flexible spacing portion relatively, needs sufficient pulling force or pressure just to make its length change, consequently can improve the anti deformability of device body under the operating condition in the certain degree. The limiting part is of a double-layer structure and comprises a first limiting layer 51 and a second limiting layer 52 which are arranged in an abutted mode, the bundling groove is formed in the first limiting layer, the top of the first limiting layer is fixedly connected with the top seat, and the bottom of the first limiting layer is fixedly connected with the base; the top seat and the base are correspondingly provided with sliding grooves 7, and two ends of the second limiting layer are connected with the top seat and the base in a sliding mode through the sliding grooves. First spacing layer is used for binding up electrified end of a thread, and its binding up groove is side direction notch structure with calliper, card wire casing, can block electrified end of a thread fast, improves the work efficiency that technical staff wrapped up the isolated electrified end of a thread, second spacing layer is the same with spacing layer material, and the difference is that its sliding connection is in footstock and base, accomplishes binding up spacing back to electrified end of a thread when first spacing layer, and second spacing layer accessible spout is slided to the opposite face of first spacing layer working face by the first spacing layer position of laminating, accomplishes the cover to card wire casing, binding up the groove for binding up electrified end of a thread of inslot and being wrapped up completely between first spacing layer and second spacing layer.
As shown in fig. 3, one end of the second limiting layer in the width direction is provided with a telescopic traction strip 8, and two ends of the telescopic traction strip slide along the sliding groove. The second limiting layer can cover the working face of the limiting portion with the bundling groove under the traction of the telescopic traction strip, so that a technician can completely cover the surface of the bundling groove after bundling the electrified wire end, the wrapping covering capacity of the device body for the electrified wire end is further improved, the safety of the technician during electrified operation is improved, and the danger of the alternate short circuit of the electrified wire end is avoided. The spout sets up along the outer contour line of footstock and forms the annular structure, the length of second spacing layer is greater than the half of spout girth. The spout sets up along the outer profile line of footstock and forms the annular structure, the spout girth is L, this internal two card wire casing distances of furthest of device are a, the length of second spacing layer is greater than an, and is less than L-a. The spout is the annular structure, can ensure that the second limit layer is perpendicular freely to slide between footstock and base, and then can ensure that the second limit layer covers a plurality of card wire casing and inside receipts band electric wire end completely, improves the security of device body. The length of the second limiting layer is larger than a, so that all the wire clamping grooves can be completely covered in the working state, and the length of the second limiting layer is smaller than L-a, so that the interference on the beam collecting work of the wire clamping grooves can be avoided in the non-working state. The distance between the groove bottom of the wire clamping groove and the sliding groove is larger than the diameter of the live wire head arranged in the wire clamping groove. The depth of the wire clamping groove still cannot interfere the sliding groove when the wire clamping groove contains a live wire end, so that the second limiting layer is ensured to move smoothly in the sliding groove, and then the covering of all the wire clamping grooves is completed.
One side that the telescopic strip that pulls is kept away from along width direction on first spacing layer is provided with pothook 53, the telescopic strip that pulls is provided with via hole 81, the pothook hangs the card with the via hole and is connected. Because of first spacing layer and the equal fixed connection of footstock and base, the pothook can be used for guaranteeing that the second spacing layer can remain the position stability after covering card wire casing and inside electrified end of a thread, can not cause the cover inefficacy because of outside atress with the via hole cooperation.
It should be noted that, in the present embodiment, four converging groove type first limiting layers are adopted, the first limiting layer of the structure is matched with the single-phase meter with four live wire terminals, and meanwhile, when the device body disclosed by the present invention is produced, the four converging grooves can be respectively coated with different colors to help the working personnel to memorize different live wire terminals installed in different grooves, for example, a live wire incoming end and a live wire outgoing end in the single-phase meter can be respectively converged in the first converging groove and the third converging groove, so that the first converging groove is coated with red color, and the third converging groove is coated with yellow color; the zero line incoming end and the zero line outgoing end can be respectively bundled in the second bundling groove and the fourth bundling groove, correspondingly, the second bundling groove is coated to be green, the fourth bundling groove is coated to be blue, and therefore workers can be assisted in memorizing the types of the live wire ends installed in each bundling groove through the cold and warm tones, and the accident situation caused by wiring errors can be effectively reduced for common technicians, particularly new technicians.
In addition to the above embodiments, the technical features of the present invention can be re-selected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention which are not described in detail should be regarded as the specific embodiments of the present invention and are within the protection scope of the present invention.
Claims (7)
1. The electrified dismounting and insulating device for the low-voltage meter comprises a device body (1) and is characterized in that the device body (1) comprises a top seat (2) and a base (3) which are correspondingly arranged, a plurality of wire clamping grooves (4) are correspondingly arranged on the top seat (2) and the base (3), the top seat (2) and the base (3) are connected through a limiting part (5), the limiting part (5) is of a fold type telescopic structure, a bundling groove (9) is arranged on the limiting part (5) corresponding to the wire clamping grooves (4), and calipers (41) for clamping and connecting wire ends are arranged on two sides of a notch of each wire clamping groove (4); the limiting part (5) is of a double-layer structure and comprises a first limiting layer (51) and a second limiting layer (52) which are arranged in an abutted mode, the bundling groove (9) is formed in the first limiting layer (51), the top of the first limiting layer (51) is fixedly connected with the top seat (2), and the bottom of the first limiting layer is fixedly connected with the base (3); the top seat (2) and the base (3) are correspondingly provided with sliding grooves (7), and two ends of the second limiting layer (52) are connected with the top seat (2) and the base (3) in a sliding mode through the sliding grooves (7).
2. The electrified dismounting insulation device of the low-voltage meter according to claim 1, characterized in that a plurality of support rods (6) are equidistantly arranged on the base (3), the support rods (6) are perpendicular to the base (3) and are connected to the top base (2) in a penetrating manner, the support rods (6) are attached to the limiting parts (5), and the wire clamping grooves (4) are located between the adjacent support rods (6).
3. The electrified dismounting and insulating device for the low-voltage meter according to claim 2, characterized in that the supporting rod (6) is of a multi-section telescopic structure, a limiting piece (61) is arranged at the top of the supporting rod (6), and the limiting piece (61) is fixedly connected with the top of the top base (2).
4. The electrified insulation device for dismounting and mounting the low-voltage meter according to claim 1, wherein a telescopic traction strip (8) is arranged at one end of the second limiting layer (52) in the width direction, two ends of the telescopic traction strip (8) slide along the sliding groove (7), and the top of the telescopic traction strip (8) is clamped with the sliding groove (7) of the top seat (2).
5. The electrified insulation device for the low-voltage meter gauge according to claim 4, wherein the sliding groove (7) is arranged along the outer contour line of the top seat (2) to form a ring groove structure, the circumference of the sliding groove (7) is L, the distance between the two farthest wire clamping grooves (4) in the device body (1) is a, and the length of the second limiting layer (52) is greater than a and less than L-a.
6. The insulation device for the electrified dismounting of the low-voltage meter gauge according to the claim 4 is characterized in that the distance between the groove bottom of the wire clamping groove (4) and the sliding groove (7) is larger than the diameter of the electrified wire head installed inside the wire clamping groove (4).
7. The electrified dismounting insulation device of the low-voltage meter gauge according to claim 4, characterized in that a hook (53) is arranged on one side of the first limiting layer (51) far away from the telescopic traction strip (8) along the width direction, a through hole (81) is arranged on the telescopic traction strip (8), and the hook (53) is connected with the through hole (81) in a hanging and clamping manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112464.7A CN111431103B (en) | 2020-02-24 | 2020-02-24 | Electrified dismouting insulator arrangement of low-voltage meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112464.7A CN111431103B (en) | 2020-02-24 | 2020-02-24 | Electrified dismouting insulator arrangement of low-voltage meter |
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| Publication Number | Publication Date |
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| CN111431103A CN111431103A (en) | 2020-07-17 |
| CN111431103B true CN111431103B (en) | 2021-06-01 |
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| CN203993720U (en) * | 2014-07-27 | 2014-12-10 | 国网山东齐河县供电公司 | Charged for replacement single-phase meter instrument |
| CN204431306U (en) * | 2015-02-12 | 2015-07-01 | 国家电网公司 | A kind of cropper of electric insulation adhesive plaster |
| JP2017026318A (en) * | 2015-07-15 | 2017-02-02 | 中国電力株式会社 | Short circuit prevention tool and short circuit prevention method |
| CN107800062A (en) * | 2016-08-31 | 2018-03-13 | 国网山东省电力公司淄博供电公司 | Simple type is powered to change the anti-short circuit isolation device of table |
| CN206389063U (en) * | 2016-12-29 | 2017-08-08 | 国网浙江余姚市供电公司 | Wiring geometrical clamp |
| CN208142662U (en) * | 2018-05-15 | 2018-11-23 | 广东电网有限责任公司 | A kind of electricity box livewire work lead insulation protecting device |
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| CN111431103A (en) | 2020-07-17 |
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