CN212849569U - Quick power restoration device for breakdown rush repair of drop-out fuse - Google Patents
Quick power restoration device for breakdown rush repair of drop-out fuse Download PDFInfo
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- CN212849569U CN212849569U CN202021852112.7U CN202021852112U CN212849569U CN 212849569 U CN212849569 U CN 212849569U CN 202021852112 U CN202021852112 U CN 202021852112U CN 212849569 U CN212849569 U CN 212849569U
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Abstract
The utility model relates to a drop out fuse trouble is salvageed and is restored electric installation fast, include: the device comprises a fixing bracket, a quick ratchet tightener, a temporary drop-out fuse, a high-voltage insulated flexible cable lead and a quick monkey head assembling and disassembling wire clamp; the quick ratchet tightener is sleeved on the electric pole and fixed; the device fixing support is connected with the quick ratchet tightener, is fixedly contacted with the electric pole, and is connected with the temporary drop-out fuse; one ends of the two high-voltage insulated flexible cable leads are respectively connected with two pile heads of the temporary drop-out fuse, and the other ends of the two high-voltage insulated flexible cable leads are respectively connected with the quick monkey head assembly and disassembly wire clamp; the quick hericium erinaceus assembly and disassembly wire clamp can be fixedly connected with an electrified wire in a hanging mode. The device does not influence the normal operation of the line, does not need to be powered off, does not need to contact a fault part, is convenient to carry and quick to use, avoids the expansion of a power failure area, and accelerates the efficiency of power restoration and rush repair.
Description
Technical Field
The utility model relates to an electric power auxiliary assembly technical field especially relates to a quick compound electric device of drop out fuse breakdown voltage rush-repair.
Background
The drop-out fuse, which is an important device playing roles in protection, equipment switching and switching on the primary side of a 10 kV line and a distribution transformer, is widely applied to the construction of a power distribution network due to the characteristics of economy, convenience in operation, strong adaptability to outdoor environment and the like, and the equipment base number is huge, so that the operation pressure and the service pressure caused by faults are also huge every year. However, the rush-repair personnel at the operation and maintenance station of the power company can only perform simple fault treatment such as fuse blowing, fuse down-lead disconnection and the like; for complex faults of live parts such as replacement of a drop-out fuse body, blowout of an upper lead, fastening of important contacts and the like, under the condition of permission of road conditions, processing can be carried out by means of live working personnel and an insulating bucket arm vehicle; in areas where the terrain is complex and the insulating bucket arm vehicle cannot reach, the whole line can only be powered off first and then processed and then powered back on, so that the pole climbing processing is performed, time and labor are consumed, the power outage area and the power outage time are further expanded, and the service commitment of a power enterprise to uninterrupted power supply of customers is seriously violated. Therefore, for guaranteeing the reliable power consumption of the vast resident users, how to deal with the influence of complex terrains reduces the duration of the fault maintenance of the drop-out fuse, improves the power recovery efficiency, and reduces the safety risk, which is to solve the problem of urgent need in the distribution network rush-repair work.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick compound power device is salvageed to drop out fuse trouble to the not enough of prior art. The device can not influence the normal operation of circuit, and simple to use, dependable performance, security are strong, and popularization and application are respond well, and it provides powerful helping hand to the operation and maintenance class station self-processing drop out fuse complex fault, promotes the efficiency of repowering.
For the above-mentioned technical purpose of experiment, the utility model discloses take following technical scheme to realize:
the utility model provides a drop out fuse trouble is salvageed and is restored electric installation fast, includes: the device comprises a fixing bracket, a quick ratchet tightener, a temporary drop-out fuse, a high-voltage insulated flexible cable lead and a quick monkey head assembling and disassembling wire clamp;
the quick ratchet tightener is sleeved on the electric pole and fixed; the device fixing support is connected with the quick ratchet tightener, the device fixing support is fixedly contacted with the electric pole, and the temporary drop-out fuse is connected with the device fixing support; one ends of the two high-voltage insulated flexible cable leads are respectively connected with two pile heads of the temporary drop-out fuse, and the other ends of the two high-voltage insulated flexible cable leads are respectively connected with one rapid monkey head assembly and disassembly wire clamp; the quick hericium erinaceus assembly and disassembly wire clamp is used for being fixedly connected with an electrified wire in a hanging mode.
Optionally, the device fixing support comprises a transverse back plate, a steel beam, pole supporting irons and a triangular hollow plate, the transverse back plate is connected with the steel beam to form a T-shaped structure, the reverse side of the transverse back plate is connected with the two spaced pole supporting irons, and screw holes for mounting the temporary drop-out fuse are drilled at the front end of the steel beam; the long edges on the two sides of the steel beam are connected with the triangular hollow-out plates respectively by taking the back plate as a foot-falling point.
Optionally, the quick ratchet tightener comprises a polyester belt and a tightening mechanism, one side of the tightening mechanism is connected with one end of the polyester belt in a sealing manner, and the other end of the polyester belt penetrates through the device fixing support and then is connected with a movable tightening handle on the other side of the tightening mechanism.
Optionally, the temporary drop-out fuse is a silicon rubber high-voltage drop-out fuse, and the temporary drop-out fuse is connected with the screw hole of the device fixing support.
Optionally, the high-voltage insulated flexible cable lead is made of a multi-strand copper core high-voltage insulated cable.
Optionally, the opening radian of the wire clamp of the rapid monkey head assembly and disassembly wire clamp meets 35-500mm2And (5) fixedly hanging and connecting the lead.
Optionally, the quick monkey head assembling and disassembling wire clamp comprises a wire clamp body, wherein the top end of the wire clamp body is provided with an insulating rod lifting hole, and the lower end of the wire clamp body is provided with a double-bolt pressing groove for fixing a high-voltage insulating flexible cable lead; the clamp body is composed of a hook-shaped hanging part and a fastening screw rod, the upper end of the fastening screw rod is connected with a movable pressing lever piece, the lower end of the fastening screw rod is welded with a fastening buckle, and the movable pressing lever piece is driven to move upwards through the knob fastening buckle to be used for fixing the live wire.
The utility model has the advantages of it is following and beneficial effect:
the utility model discloses to rapid processing drop out fuse trouble, play timely compound electricity effect. Through a large amount of experimental demonstrations and on-the-spot practical application discovery, the utility model relates to a this kind of quick compound power device who uses flexible insulated cable and interim drop out fuse as essential element of preparation utilizes cable lead and the regional power supply side of trouble and load side reliable connection, can reach the quick isolation to trouble drop out fuse, substitute the operation and resume the power supply effect once the installation. The combined installation and insulation rod type power-assisted device is operated through the combined installation and the insulation rod, is not limited by landforms and rod types, does not influence normal operation of a line, is simple to use, reliable in performance, strong in safety, good in popularization and application effects, and provides strong power assistance for automatically processing complex faults of the drop-out fuse in an operation and maintenance class station and improving the power recovery efficiency. The device is a power recovery tool which is applied to complex distribution network lines which are complex in terrain, especially complex distribution network lines which can not be reached by insulating bucket arm vehicles such as hilly slopes and field ground heads, and is used for quickly isolating fault drop-out fuses to replace operation. The device can firmly fix the temporary drop-out fuse on electric poles with different diameters by depending on a steel triangular structure base and a quick ratchet tightener, and effectively short-circuits the power supply side and the load side of the fault drop-out fuse by utilizing a high-voltage insulated cable, so that the fault drop-out fuse is quickly isolated and effectively replaced, and finally, the purpose of avoiding a fault area and timely carrying out power restoration is achieved. The device adopts the earth potential uninterrupted operation mode to carry out installation operation, avoids direct contact of personnel to fault points, and changes a series of difficult problems that the existing drop-out fuse has complex faults and has large implementation difficulty, low power recovery efficiency, long operation time, large labor intensity of personnel, high electric shock risk level and the like when the emergency repair is carried out by depending on the power failure mode. The device has the advantages of convenient storage and transportation, quick assembly and disassembly, safety and reliability, meets the performance requirement of the fault drop-out fuse in replacement operation, and has the characteristics of being capable of being used once for installation and being removed once for disassembly when the device is used for emergency repair and power restoration and planned power failure equipment replacement.
Drawings
Fig. 1 is a schematic diagram of a fault emergency repair quick power restoration device of a drop-out fuse.
Fig. 2 is a schematic view of a quick monkey head mounting and dismounting clamp.
Detailed Description
In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments, and do not limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
The problem that this device will be solved is in the difficult distribution network line that reachs of topography complicacy, insulating bucket arm car, if take place drop out fuse trouble, mainly exist when needing in time to salvage the repower: complex faults of electrified parts such as the overall replacement of a fuse, the burning of an upper lead, the fastening of a heating contact and the like cannot be processed by rush repair personnel at a general operation and maintenance station, and bottleneck restriction exists in quick power restoration; complex fault processing is carried out by adopting a mode of first power failure, second processing and later power restoration of a line, and because the power failure process and safety measure setting are strictly executed, the implementation difficulty is high, the power restoration efficiency is low, and the power failure area and the power failure time are further expanded; personnel step on the pole and handle intensity of labour big, the electric shock risk is high, and change equipment weight is big, and required material is numerous, and inconvenient transport is consuming time hard.
In order to solve the above problem, the utility model discloses specific manufacture scheme is as follows:
as shown in fig. 1 and 2, the fast power restoration device mainly comprises 5 parts: the device comprises a fixing bracket 1, a quick ratchet tightener 2, a temporary drop-out fuse 3, a high-voltage insulated flexible cable lead 4 multiplied by 2 and a quick monkey head assembly and disassembly wire clamp 5 multiplied by 2.
The quick ratchet tightener 2 is sleeved on the electric pole 7 and fixed; the device fixing support 1 is connected with the quick ratchet tightener 2, the device fixing support 1 is fixedly contacted with an electric pole 7, and the temporary drop-out fuse 3 is connected with the device fixing support 1; one ends of the two high-voltage insulated flexible cable leads 4 are respectively connected with two pile heads 31 of the temporary drop-out fuse 3, and the other ends of the two high-voltage insulated flexible cable leads 4 are respectively connected with one rapid monkey head assembly and disassembly wire clamp 5; the quick hericium erinaceus assembly and disassembly wire clamp 5 can be fixedly connected with the live wire 6 in a hanging mode.
The specific structure of the parts is as follows:
1. the device fixing support 1 mainly adopts a piece of steel material with the thickness of 0.25m multiplied by 0.05m as a device transverse back plate 12, a steel beam 13 with the thickness of 0.25m multiplied by 0.05m is welded in the front side, and the two are integrally in a T-shaped structure; wherein the back surface of the back plate 11 is provided with two electric pole supporting irons 11 with the interval of 0.1m, two sides of the back plate are connected with a quick ratchet tightener 2 in a punching and penetrating way, and the front end of a steel beam 13 is drilled with two screw holes for installing the temporary drop-out fuse 3; the long edges on the two sides of the steel beam 13 take the back plate 11 as a foot point, and a 0.25m × 0.25m steel triangular hollow plate 14 is welded to each long edge, so that the effect of stably connecting the back plate 11 and the steel beam 13 is achieved; in addition, the surfaces of all steel structures of the bracket are sprayed with antirust paint.
2. The quick ratchet tightener 2 is mainly made of a high-strength polyester belt 22 with the thickness of 25mm and a colorful zinc tightening mechanism 21, one end of the tightening mechanism 21 is connected with the left side of the device fixing support 1 in a closed mode through the polyester belt 22 with the fixed length, the other end of the tightening mechanism is connected with the right side of the device fixing support 1 through the polyester belt 22 with the adjustable length and a front end hook, a tightening handle is movably arranged, the tightening or loosening effect on the polyester belt 22 can be achieved, and when the quick ratchet tightener is sleeved on the electric pole 7 to be fastened, the tightener can bear the maximum tensile force of 800 kg.
3. The temporary drop-out fuse 3 mainly adopts silicon rubber high-voltage drop-out fuses of HRW-13/200A type, HRW11-10/100A type and the like commonly used in the market, has a light structure, is easy to install and detach, has good hydrophobicity, strong anti-pollution capability and stable performance, and can be butted and installed with a screw hole at the front end of a steel beam 13 of a fixed support.
4. The high-voltage insulated flexible cable lead 4 mainly adopts two 50mm leads with the length of 7-10 meters2The light multi-strand copper core high-voltage insulated cable is manufactured, one end of a lead is fixed on an equipment wire clamp of an upper/lower pile head 31 of the temporary drop-out fuse 3, the other end of the lead is connected in a quick hericium erinaceus assembly and disassembly wire clamp 5, and the quick hericium erinaceus assembly and disassembly wire clamp 5 is lifted through an insulating rod to drive the cable lead to be in live connection with a lead.
5. The quick monkey head assembly and disassembly wire clamp 5 mainly adopts a YZ-3 type monkey head wire clamp commonly used in the market, is arranged at the lap joint end of two high-voltage insulated flexible cable leads 4, and the opening radian of the wire clamp is suitable for LGJ35-500mm2The lead is fixedly hung, the top end of the lead is provided with an insulating rod lifting hole 53, and the lower end of the lead is provided with a double-bolt pressing groove 50 for fixing a high-voltage insulated flexible cable lead; the working part of the wire clamp consists of a hook-shaped hanging part 55 and a fastening screw rod 54, the upper end of the screw rod is connected with a movable pressure lever piece 51, the lower end of the screw rod is welded with a fastening buckle 52, and the pressure lever piece 51 can be driven to move upwards by fastening the buckle 52 through a knob, so that the effect of fixing the hanging of the conducting wire 6 is achieved.
Adopt the utility model discloses an operating procedure as follows:
1. an operator steps on a proper position below the fault drop-out fuse, the quick ratchet tightener 2 is utilized to install the power recovery device fixing support 1 on the electric pole 7, the temporary drop-out fuse 3 is installed at the front end of the support, and the fusion tube is pulled open;
2. an operator firmly installs two high-voltage insulated flexible cable leads 4 on an upper pile head/a lower pile head 31 of the temporary drop-out fuse 3 through an equipment wire clamp, and then adjusts a quick monkey head assembling and disassembling wire clamp 5 at the other end of the cable lead to be provided with an opening and hangs the cable lead on a proper position of a bracket;
3. the operator adjusts the station position, keeps a safety distance of more than 0.4m with the pile head 31 on the temporary drop-out fuse 3, uses an insulating operating rod to lift and hang the quick monkey head assembling and disassembling wire clamp 5, respectively hangs the upper and lower leads of the high-voltage flexible cable on the power supply side and the load side lead of the fault drop-out fuse, and screws the ring buckle 52;
4. the operator adjusts the station again, so that the operating rod is suitable for flexible work, the operating rod is used for closing the fusion tube of the temporary drop-out fuse 3, and the compound power device is put into operation;
5. when the line is scheduled to be subjected to power failure maintenance, if the fault drop-out fuse is required to be replaced formally, the power recovery device can be disassembled and brought back according to the reverse sequence of the steps under the condition that the line is not loaded or the power failure is completely realized.
At present, the device is subjected to electrical and mechanical tests, and actual outdoor tests show that the device can provide effective support for timely emergency repair and restoration of the fault of the drop-out fuse in a distribution network line with complex terrain and inaccessible insulating bucket arm vehicle, and has stable performance. Meanwhile, the risk of repeated power failure is avoided, and the pole climbing height, the labor intensity and the electric shock risk of rush repair personnel are reduced.
Adopt the utility model discloses a technical advantage that device has as follows:
the advantage one, it is convenient to use: the device is convenient to install and recover, small in size, light in weight, simple in structure, firm and durable, can be applied to distribution network lines with complex terrain and inaccessible to an insulating bucket arm vehicle, can be used for quickly isolating and quickly restoring the power of a drop-out fuse, has a good popularization and application effect in an operation and maintenance station, and is worth being widely popularized;
advantage two, the performance is high-efficient: all parts of the device are made of high-quality materials or finished elements, so that the device has high insulating strength and strong through-flow, bearing and environment adaptability, and meets the performance requirements of fault isolation and power restoration operation;
advantage three, safe and reliable: the device steps on pole installation and insulator spindle through personnel and operates, need not to have a power failure, need not to contact trouble position, has greatly reduced the compound electricity degree of difficulty to and personnel's intensity of labour and electric shock risk have played the acceleration effect to the complicated trouble of safe effective handling drop out fuse.
The above description is provided for the purpose of describing the present invention in more detail with reference to the specific preferred embodiments, and it should not be construed that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in various forms without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a drop out fuse trouble is salvageed and is restored electric installation fast which characterized in that includes: the device comprises a fixing support (1), a quick ratchet tightener (2), a temporary drop-out fuse (3), a high-voltage insulated flexible cable lead (4) and a quick monkey head assembling and disassembling wire clamp (5);
the rapid ratchet tightener (2) is sleeved on the electric pole (7) and fixed; the device fixing support (1) is connected with the quick ratchet tightener (2), the device fixing support (1) is fixedly contacted with an electric pole (7), and the temporary drop-out fuse (3) is connected with the device fixing support (1); one ends of the two high-voltage insulated flexible cable leads (4) are respectively connected with two pile heads (31) of the temporary drop-out fuse (3), and the other ends of the two high-voltage insulated flexible cable leads (4) are respectively connected with one rapid monkey head assembly and disassembly wire clamp (5); the quick hericium erinaceus assembling and disassembling wire clamp (5) is used for being fixedly connected with an electrified lead (6).
2. The drop-out fuse rush-repair rapid power restoration device according to claim 1, wherein the device fixing support (1) comprises a transverse back plate (12), a steel beam (13), pole supporting irons (11) and a triangular hollow plate (14), the transverse back plate (12) and the steel beam (13) are connected to form a T-shaped structure, the reverse side of the transverse back plate (12) is connected with the two pole supporting irons (11) at intervals, and screw holes for mounting the temporary drop-out fuse (3) are drilled at the front end of the steel beam (13); the long edges on the two sides of the steel beam (13) are respectively connected with the triangular hollow-out plates (14) by taking the transverse back plate (12) as a foot-falling point.
3. The drop-out fuse fault rush-repair rapid restoration device according to claim 1, wherein the rapid ratchet tightener (2) comprises a terylene tape (22) and a tightening mechanism (21), one side of the tightening mechanism (21) is hermetically connected with one end of the terylene tape (22), and the other end of the terylene tape (22) is connected with a movable tightening handle on the other side of the tightening mechanism (21) after passing through the device fixing support (1).
4. The drop-out fuse fault rush-repair rapid power restoration device according to claim 1, wherein the temporary drop-out fuse (3) is a silicon rubber high-voltage drop-out fuse, and the temporary drop-out fuse (3) is connected with the device fixing support (1) through a screw hole.
5. The drop-out fuse fault rush-repair rapid power restoration device according to claim 1, wherein the high-voltage insulated flexible cable lead (4) is made of a multi-strand copper core high-voltage insulated cable.
6. The drop-out fuse fault first-aid repair rapid power restoration device according to claim 1, wherein the radian of the wire clamp opening of the rapid hericium erinaceus assembly and disassembly wire clamp (5) meets 35-500mm2And (5) fixedly hanging and connecting the lead.
7. The drop-out fuse fault rush-repair rapid re-electrifying device according to claim 1, wherein the rapid hericium erinaceus assembly and disassembly wire clamp (5) comprises a wire clamp body, the top end of the wire clamp body is provided with an insulating rod lifting hole (53), and the lower end of the wire clamp body is provided with a double-bolt pressing groove (50) for fixing a high-voltage insulated flexible cable lead (4); the wire clamp body is composed of a hook-shaped hanging part (55) and a fastening screw rod (54), the upper end of the fastening screw rod (54) is connected with a movable pressure lever piece (51), the lower end of the fastening screw rod (54) is welded with a fastening ring buckle (52), and the movable pressure lever piece (51) is driven to move upwards through the fastening ring buckle (52) of the knob to be used for fixing the live wire (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021852112.7U CN212849569U (en) | 2020-08-28 | 2020-08-28 | Quick power restoration device for breakdown rush repair of drop-out fuse |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021852112.7U CN212849569U (en) | 2020-08-28 | 2020-08-28 | Quick power restoration device for breakdown rush repair of drop-out fuse |
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| CN212849569U true CN212849569U (en) | 2021-03-30 |
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| CN202021852112.7U Active CN212849569U (en) | 2020-08-28 | 2020-08-28 | Quick power restoration device for breakdown rush repair of drop-out fuse |
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