CN110492385B - Combined tool for live replacement of 10kV strain insulator and operation method - Google Patents
Combined tool for live replacement of 10kV strain insulator and operation method Download PDFInfo
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- CN110492385B CN110492385B CN201910810909.6A CN201910810909A CN110492385B CN 110492385 B CN110492385 B CN 110492385B CN 201910810909 A CN201910810909 A CN 201910810909A CN 110492385 B CN110492385 B CN 110492385B
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- 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
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention discloses a combination tool for replacing 10kV strain insulators in a charged mode, which comprises a pair of supporting rods which are arranged in parallel along the vertical direction, wherein arc plates which are attached to the arc surfaces of the outer sides of 10kV wire rods are arranged on the outer sides of the lower ends of the supporting rods, a pair of cross rods are arranged between the upper portions of the supporting rods through fastening components, the distance between the cross rods is smaller than the diameter of the 10kV strain insulator to be replaced, connecting rods are arranged between the right ends of the cross rods and right above the arc plates, a hook groove is formed in each of the left ends of the cross rods, a pull rope is arranged between the hook grooves and used for hooking a pull wire, and mounting rings are arranged at the two ends of each pull rope; according to the invention, the strain insulator can be replaced by lifting the operator to the upper part of the upper end of the 10kV pole and downwards for long-distance operation by using the aerial live working vehicle, so that the traditional short-distance replacement mode of shielding the wire by using an insulating blanket is thoroughly changed, the operation efficiency is improved, and the safety of the operator is greatly protected.
Description
Technical Field
The invention belongs to the technical field of live-line work tools, and particularly relates to a combined tool for live-line replacement of a 10kV strain insulator and a working method.
Background
With the continuous development of the economy of China, the live-line work of the domestic 10kV line is rapidly developed and strengthened, and the importance of the live-line work is commonly recognized by more and more people. When urban network construction and transformation are planned, maintenance-free equipment and power distribution system automation are adopted as main measures for guaranteeing power supply reliability and reducing faults, the power failure area can be greatly reduced even if the equipment environment is improved, the overall operation level of a network is improved, but practical and effective means still need to be adopted due to unsafe factors in aspects such as external force damage, natural aging of line equipment, construction quality and the like, and the safe and economic operation of the power distribution network is guaranteed. With the continuous opening of the electric power market, the replacement of the traditional power failure maintenance by live working is a development direction of the maintenance of the 10kV power distribution network in the future.
The traditional method for replacing the 10kV line tension insulator in an electrified way is that an electrified operator in an aerial live working vehicle installs one end of a wire tightener and one end of a protection rope on a cross arm, then operates an insulating bucket to leave the cross arm, removes the insulating shielding of a wire and a tension clamp, and then fixes the other ends of the wire tightener and the protection rope on the wire; after the insulated wire tightener is operated to tighten the wire, the pin connected with the insulator and the wire clamp is pulled out to enable the insulator to be separated from the wire, and the phase wire and the strain clamp are shielded in an insulated mode again; then, after the live working personnel in the high-altitude live working vehicle removes the insulation shielding of the insulator, the tension insulator is replaced and then is shielded again; then live working personnel in the high-altitude live working vehicle removes the strain insulator wire clamp insulation shield and connects the insulator with the wire; then live working personnel in the high-altitude live working vehicle operate the insulated tightener to loosen the lead to the original position, and remove the protection rope and one end of the insulated tightener at the lead side; then shielding the lead and the strain clamp by live working personnel in the overhead live working truck; and finally, operating the bucket arm vehicle to get close to the cross arm by live working personnel in the high-altitude live working vehicle, and dismantling the protection rope and the insulating tightener to complete the operation.
Although the traditional operation method can complete the live replacement of the 10kV strain insulator, a large amount of insulating shielding blankets are required to shield in the operation process, and the operators need to enter the wires to detach the wires in a close distance, so that the operation efficiency and the safety are not high. Therefore, it is very important to research a new insulator for replacing 10kV strain insulator in a live manner.
Chinese utility model patent that the bulletin number of authorizing is CN207074824U discloses a device for changing strain insulator, including the closed fixture that is used for changing the wing section fixture that strain insulator string used and is used for changing monolithic strain insulator string usefulness, wing section fixture include with the strain insulator string cross arm end traction plate erection joint's that is changed cross arm end card and with the strain insulator string wire end parallel hanging plate erection joint's that is changed wire end card, cross arm end card and wire end card are two wing structures, and connect through telescopic machanism respectively between the corresponding wing of cross arm end card and wire end card. The utility model discloses a strain insulator string is changed to collection, monolithic strain insulator, the first strain insulator of cross arm end and the first strain insulator of wire end are complete sets of instrument, have not only alleviateed operator's working strength, and the instrument of being convenient for transports moreover and preserves. However, the utility model discloses a still need closely carry out live working, need carry out insulating blanket simultaneously and shield the wire, the operating efficiency and the security improve a little.
The invention application with publication number CN108879469A discloses an operation method for replacing a 35kV strain insulator string in a charged manner, which is implemented by adopting an intermediate potential method and utilizing an insulating bucket arm vehicle and a special tool for replacing the 35kV strain insulator string in a charged manner; the method comprises the operation steps of entering and insulating shielding of an operation electrician in an insulator bucket, installing a special tool for live replacement of the 35kV strain insulator string for the operation electrician in the bucket, taking down the insulator string to be replaced by using the special tool, replacing a new insulator string by using the special tool, removing the special tool for live replacement of the 35kV strain insulator string, removing the insulating shielding and the like. The invention can realize the charged replacement of the 35kV strain insulator string without providing large torque. However, the method is not suitable for replacing the 10kV strain insulator, and meanwhile, the working method still needs to use a large amount of insulating blankets to shield the wires in the working process, so that the efficiency improvement is limited.
Disclosure of Invention
In view of the above, the present invention provides a special tool and an operation method for replacing a 10kV tension insulator in a live-line manner, in which an aerial live-line operation vehicle is used to lift an operator to a position above and below the upper end of a 10kV mast for performing a long-distance operation, so as to replace the tension insulator, thereby completely changing a conventional short-distance replacement manner in which an insulating blanket is used to shield a wire, and greatly protecting the safety of the operator while improving the operation efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a combination tool for replacing 10kV strain insulators in a charged mode comprises a pair of supporting rods which are arranged in parallel in a vertical direction, wherein an arc-shaped plate which is attached to the arc surface of the outer side of a 10kV wire rod is arranged on the outer side of the lower end of each supporting rod, a pair of cross rods are mounted between the upper portions of the supporting rods through fastening assemblies, the distance between the cross rods is smaller than the diameter of the 10kV strain insulator to be replaced, a connecting rod is arranged between the right ends of the cross rods and is located right above the arc-shaped plate, a hook groove is formed in each of the left ends of the cross rods, a pull rope is arranged between the hook grooves and used for hooking a wire puller, mounting rings are arranged at two ends of the pull rope respectively, the mounting rings are fastened in the hook grooves in corresponding positions, and the cross rods and the supporting rods which are located on the same side are connected through inclined supporting rods; the pair of support rods, the pair of cross rods and the two inclined support rods are all made of insulating materials.
Furthermore, a row of mounting holes are formed in the supporting rod along the length direction, and the mounting heights of the pair of cross rods are adjusted by selecting the mounting holes with different heights.
Further, still include a reserve protection rope, the side of a pair of horizontal pole all is provided with an elastic fixation ring, the reserve protection rope by the 10kV pole outside around just the both ends of reserve protection rope are gone into after folding the card in the elastic fixation ring of relevant position.
Furthermore, the elastic fixing ring is a rubber ring or an annular rubber band.
Further, a first rubber layer is arranged on the connecting rod.
Further, a second rubber layer is arranged on the inner arc surface of the arc plate.
Further, the fastening component is a bolt and nut component or a screw and nut component or a pin.
Further, an insulating operating rod is vertically installed on the outer side of one of the pair of supporting rods.
Furthermore, an elastic ring is arranged on the connecting rod, and the backup protection rope penetrates through the elastic ring.
Further, the elastic ring is a rubber ring or an annular rubber band.
Further, the invention also provides an operation method for replacing the combination tool of the 10kV strain insulator in an electrified way, which comprises the following steps:
s1, completing the assembly of the combination tool for replacing the 10kV strain insulator in an electrified way;
s2, lifting a live working worker to the top of the 10kV pole by using an aerial live working vehicle, installing the assembled combined tool for live replacement of the 10kV tension insulator on the 10kV pole by using an insulating operating rod, and ensuring that the lower ends of a pair of supporting rods are positioned on an installation hoop of a cross arm of the 10kV pole, an arc-shaped plate is attached to the outer side arc surface of the 10kV pole, and a pair of cross rods are just positioned below the middle-phase tension insulator to be replaced;
s3, fixing one end of a wire puller on a lead of the 10kV strain insulator to be replaced by the hot-line worker through the overhead hot-line worker, and hooking the other end of the wire puller on a pull rope to perform wire tightening operation;
s4, drawing out two end parts of a backup protection rope sleeved on the outer side of the 10kV pole from the elastic fixing ring, and fastening the two end parts on a lead of a 10kV tension insulator to be replaced to serve as a backup protection wire;
s5, disassembling the 10kV strain insulator to be replaced by live working personnel, dropping the 10kV strain insulator which is completely disassembled on a pair of cross rods, then recovering the disassembled 10kV strain insulator, and installing a new 10kV strain insulator;
s6, after the new 10kV strain insulator is installed, the combined tool for replacing the 10kV strain insulator in an electrified mode is detached from the 10kV pole, and operation is completed.
The invention has the beneficial effects that:
the traditional method for replacing 10kV line tension insulators in an electrified way comprises a wire tightener method and a trolley group method. The wire tightener method comprises the following steps: a live working worker in the high-altitude live working vehicle installs one end of the wire grip and the protection rope on the cross arm, then operates the insulation bucket to leave the cross arm, removes the insulation shielding of the wire and the strain clamp, and fixes the other ends of the wire grip and the protection rope on the wire; after the insulated wire tightener is operated to tighten the wire, the pin connected with the insulator and the wire clamp is pulled out to enable the insulator to be separated from the wire, and the phase wire and the strain clamp are shielded in an insulated mode again; then, after the live working personnel in the high-altitude live working vehicle removes the insulation shielding of the insulator, the tension insulator is replaced and then is shielded again; then live working personnel in the high-altitude live working vehicle removes the strain insulator wire clamp insulation shield and connects the insulator with the wire; then live working personnel in the high-altitude live working vehicle operate the insulated tightener to loosen the lead to the original position, and remove the protection rope and one end of the insulated tightener at the lead side; then shielding the lead and the strain clamp by live working personnel in the overhead live working truck; and finally, operating the bucket arm vehicle to get close to the cross arm by live working personnel in the high-altitude live working vehicle, and dismantling the protection rope and the insulating tightener to complete the operation.
The method for replacing the 10kV strain insulator by adopting the pulley group method comprises the following steps: firstly, an electrician in the bucket ties an insulating rope at a proper position of a phase-changing cross arm, and a middle phase system is at a proper position of an electric pole below a middle phase lead; then an electrician in the hopper is matched with the electrician on the ground to transfer the insulating pulley group to the rod by using an insulating rope, one section of the insulating pulley group is hung in the insulating rope sleeve, and the other end of the insulating pulley group is connected with the lead chuck to be fixed at a proper position of the lead; then an electrician in the bucket ties an insulating protection rope on the lead, and reserves a proper length to fix the insulating protection rope on the electric pole; then the ground electrician tightens up the insulating pulley block to enable the tension insulator to be loose; then an electrician in the hopper pulls out the pin connected with the insulator and the wire clamp to separate the insulator from the wire, and the phase wire and the strain clamp are shielded in an insulating way again; then the ground electrician properly loosens the insulating pulley block to enable the charged strain clamp to be far away from the strain insulator as far as possible; then, after the electrician in the hopper removes the insulation shielding of the insulator, the tension insulator is replaced and then is shielded again; then the ground electrician tightens up the insulating pulley group, the electrician in the bucket removes the clamp insulation shielding of the strain insulator, the insulator is connected with the lead, the ground electrician loosens the insulating pulley group, and the electrician in the bucket removes the safety rope and one end of the lead side of the insulating pulley group after the strain insulator is stressed; then an electrician in the hopper shields the lead and the strain clamp; then an electrician in the bucket operates the bucket arm vehicle to be close to the cross arm, the protection rope and the insulation pulley set are removed, and the electrician in the bucket cooperates with the electrician on the ground to place the insulation pulley set on the ground. After all the operations are finished, the cross arm shielding cover, the insulator shielding cover and the wire shielding cover are sequentially removed from far to near, and after the safety distance between the body and the electrified component is kept during removal, the electrician in the bucket returns to the ground, and cleans tools and the site.
Although the two traditional operation methods can complete the live replacement of the 10kV strain insulator, a large amount of insulating shielding blankets are required to shield in the operation process, and the operators need to enter the wires to detach the wires in a close distance, so that the operation efficiency and the safety are not high. Meanwhile, other technical schemes similar to the concept of the invention do not exist in the field at present, so that the safety risks caused by the fact that a large amount of insulating blankets are used for shielding and short-distance live working are thoroughly changed from the aspect of the operation method.
The invention aims at the problems, and provides a combination tool for replacing 10kV strain insulators in a charged manner, which comprises a pair of supporting rods which are arranged in parallel along the vertical direction, wherein arc plates which are attached to the arc surfaces of the outer sides of 10kV wire rods are arranged on the outer sides of the lower ends of the pair of supporting rods, a pair of cross rods are arranged between the upper parts of the pair of supporting rods through a fastening assembly, the distance between the pair of cross rods is smaller than the diameter of the 10kV strain insulator to be replaced, a connecting rod is arranged between the right ends of the pair of cross rods and right above the arc plates, a hook groove is formed in each of the left ends of the pair of cross rods, a pull rope is arranged between the pair of hook grooves and used for hooking a wire puller, mounting rings are respectively arranged at the two ends of the pull rope, the mounting rings are buckled in the hook grooves at the corresponding positions, and the cross rods and the supporting rods which are positioned on the same side are connected through inclined supporting rods; the pair of support rods, the pair of cross rods and the two inclined support rods are all made of insulating materials.
In addition, in order to adjust the mounting height of the pair of cross rods, a row of mounting holes are formed in the supporting rod along the length direction, and the mounting height of the pair of cross rods is adjusted by selecting the mounting holes with different heights. In addition, in order to ensure that the stay cord is more safe when the stay cord is hooked by the wire puller and avoid breaking accidents, the invention also comprises a backup protection rope, wherein the side surfaces of the pair of cross rods are respectively provided with an elastic fixing ring, the backup protection rope is wound by the outer side of the 10kV wire rod, and the two ends of the backup protection rope are clamped into the elastic fixing rings at corresponding positions after being folded, so that the two ends of the backup protection rope can be pulled out from the elastic fixing rings when in use, and meanwhile, only the end part of the backup protection rope is folded and hooped in the elastic fixing rings when not in use, and the end part of the backup protection rope can be tightened and fixed due to the elastic force of the elastic fixing rings.
In addition, in order to ensure that the wire pole is not damaged when the connecting rod and the arc-shaped plate are attached to the 10kV wire pole, a first rubber layer is arranged on the connecting rod, and a second rubber layer is arranged on the inner arc surface of the arc-shaped plate. In addition, in order to facilitate the installation and the disassembly of the combined tool, an insulating operating rod is vertically arranged on one outer side of the pair of supporting rods.
In addition, in order to fix the middle part of the backup protection rope, an elastic ring is arranged on the connecting rod, the backup protection rope penetrates through the elastic ring to be fixed, the backup protection rope can be in close contact with a 10kV wire pole when being fixed on a wire of a 10kV tension insulator to be replaced, and the backup protection rope can be automatically tightened under the action of the elastic force of the elastic ring when being in a non-use state.
In addition, the invention can not use the insulating operating rod, and can be used as a wire grip at the moment.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
FIG. 1 is a schematic front view of the structure of a first embodiment of the present invention;
FIG. 2 is a schematic top view of the structure of the first embodiment of the present invention;
FIG. 3 is a schematic front view of the structure of a second embodiment of the present invention;
FIG. 4 is a schematic top view of the structure of a second embodiment of the present invention;
FIG. 5 is a schematic top view of the structure of a third embodiment of the present invention;
FIG. 6 is a schematic front view of the structure of a fourth embodiment of the present invention;
FIG. 7 is a schematic top view of the structure of a fourth embodiment of the present invention;
fig. 8 is a schematic top view of the fifth embodiment of the present invention.
Detailed Description
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. It should be understood that, for the sake of clarity, the terms "front, back, left, right, up, down" and the like used herein refer to the orientation terms with respect to fig. 1, and the orientation terms are not changed by the conversion of the drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
Example 1:
as shown in fig. 1 and 2, a combination tool for replacing 10kV strain insulator in a charged manner comprises a pair of supporting rods 1 which are vertically arranged in parallel, an arc plate 2 which is attached to the arc surface of the outer side of a 10kV wire rod is arranged on the outer side of the lower end of the pair of supporting rods 1, a pair of cross rods 4 are arranged between the upper parts of the pair of supporting rods 1 through a fastening component 3, the distance between the pair of cross rods 4 is smaller than the diameter of the 10kV strain insulator to be replaced, a connecting rod 5 is arranged between the right ends of the pair of cross rods 4 and at the position right above the arc plate 2, a hook groove 6 is respectively arranged at the left ends of the pair of cross rods 4, a pull rope 7 for hooking a wire puller is arranged between the pair of hook grooves 6, the two ends of the pull rope 7 are respectively provided with a mounting ring 8, the mounting rings 8 are buckled in the hook grooves 6 at corresponding positions, and the cross rods 4 and the support rods 1 which are positioned at the same side are connected through inclined support rods 9; the pair of support rods 1, the pair of cross rods 4 and the two diagonal support rods 9 are made of an insulating material.
A row of mounting holes 10 are formed in the supporting rod 1 along the length direction, and the mounting heights of the pair of cross rods 4 are adjusted by selecting the mounting holes 10 with different heights.
The fastening component 3 is a bolt and nut component.
In this embodiment, in order to facilitate the adjustment of the mounting height of the pair of cross bars, a row of mounting holes are formed in the support rod along the length direction, and the mounting height of the pair of cross bars is adjusted by selecting the mounting holes with different heights. The fastening assembly is not limited to a bolt and nut assembly, but can be other types of fastening assemblies, such as a screw and nut assembly or a pin, and the same fastening effect can be achieved.
Example 2:
as shown in fig. 3 and 4, a combination tool for replacing 10kV strain insulator in a charged manner comprises a pair of supporting rods 1 which are vertically arranged in parallel, an arc plate 2 which is attached to the arc surface of the outer side of a 10kV wire rod is arranged on the outer side of the lower end of the pair of supporting rods 1, a pair of cross rods 4 are arranged between the upper parts of the pair of supporting rods 1 through a fastening component 3, the distance between the pair of cross rods 4 is smaller than the diameter of the 10kV strain insulator to be replaced, a connecting rod 5 is arranged between the right ends of the pair of cross rods 4 and at the position right above the arc plate 2, a hook groove 6 is respectively arranged at the left ends of the pair of cross rods 4, a pull rope 7 for hooking a wire puller is arranged between the pair of hook grooves 6, the two ends of the pull rope 7 are respectively provided with a mounting ring 8, the mounting rings 8 are buckled in the hook grooves 6 at corresponding positions, and the cross rods 4 and the support rods 1 which are positioned at the same side are connected through inclined support rods 9; the pair of support rods 1, the pair of cross rods 4 and the two diagonal support rods 9 are made of an insulating material.
A row of mounting holes 10 are formed in the supporting rod 1 along the length direction, and the mounting heights of the pair of cross rods 4 are adjusted by selecting the mounting holes 10 with different heights.
The fastening component 3 is a bolt and nut component.
Still include a reserve protection rope 11, the side of a pair of horizontal pole 4 all is provided with a solid fixed ring of elasticity 12, reserve protection rope 11 is walked around just by the 10kV line pole outside the solid fixed ring of elasticity 12 of relevant position is gone into to the folding back card in both ends of reserve protection rope 11.
The elastic fixing ring 12 is a rubber ring.
In the embodiment, in order to ensure that the stay cord is hooked by using the wire puller more safely and avoid breaking accidents, the wire puller further comprises a backup protection rope, the elastic fixing rings are arranged on the side surfaces of the pair of cross rods, the backup protection rope is wound around the outer sides of the 10kV wire rods and the two ends of the backup protection rope are clamped into the elastic fixing rings at corresponding positions after being folded, so that the two ends of the backup protection rope can be pulled out from the elastic fixing rings when being used, and meanwhile, only the end part of the backup protection rope needs to be folded and hooped in the elastic fixing rings when not being used, and the end part of the backup protection rope can be tightened and fixed due to the elastic force of the elastic fixing rings. In addition, the elastic fixing ring in the embodiment adopts a rubber ring, and of course, an annular rubber band can also be adopted, and the same effect can be achieved.
Example 3:
as shown in fig. 5, it differs from embodiment 2 in that: the connecting rod 5 is provided with a first rubber layer 13.
And a second rubber layer 14 is arranged on the inner arc surface of the arc-shaped plate 2.
In this embodiment, in order to make connecting rod and arc and 10kV pole when laminating mutually not damage the pole, be provided with the first rubber layer on the connecting rod, be provided with the second rubber layer on the intrados of arc.
Example 4:
as shown in fig. 6 and 7, it is different from embodiment 3 in that: an insulating operation rod 15 is vertically installed on one outer side of the pair of support rods 1.
In this embodiment, in order to facilitate mounting and also to disassemble the present combination tool, an insulating operating rod is vertically mounted on one outer side of a pair of support rods.
Example 5:
as shown in fig. 8, it differs from example 4 in that: an elastic ring 16 is arranged on the connecting rod 5, and the backup protection rope 11 penetrates through the elastic ring 16.
The elastic ring 16 is a rubber ring.
In this embodiment, in order to realize the fixed of reserve protection rope middle part, be provided with the elastic ring on the connecting rod to pass reserve protection rope and realize fixed the time, can realize the in close contact with of reserve protection rope and 10kV pole when fixing reserve protection rope on treating the wire of changing 10kV strain insulator, can tighten up under the elastic force effect of elastic ring when reserve protection rope is in non-use state moreover. In addition, the elastic ring in this embodiment is a rubber ring, and of course, an annular rubber band may be used.
Example 6:
the operation method for live replacement of the combined tool for 10kV strain insulators comprises the following steps:
s1, completing the assembly of the combination tool for replacing the 10kV strain insulator in an electrified way;
s2, lifting a live working worker to the top of the 10kV pole by using an aerial live working vehicle, installing the assembled combined tool for live replacement of the 10kV tension insulator on the 10kV pole by using an insulating operating rod, and ensuring that the lower ends of a pair of supporting rods are positioned on an installation hoop of a cross arm of the 10kV pole, an arc-shaped plate is attached to the outer side arc surface of the 10kV pole, and a pair of cross rods are just positioned below the middle-phase tension insulator to be replaced;
s3, fixing one end of a wire puller on a lead of the 10kV strain insulator to be replaced by the hot-line worker through the overhead hot-line worker, and hooking the other end of the wire puller on a pull rope to perform wire tightening operation;
s4, drawing out two end parts of a backup protection rope sleeved on the outer side of the 10kV pole from the elastic fixing ring, and fastening the two end parts on a lead of a 10kV tension insulator to be replaced to serve as a backup protection wire;
s5, disassembling the 10kV strain insulator to be replaced by live working personnel, dropping the 10kV strain insulator which is completely disassembled on a pair of cross rods, then recovering the disassembled 10kV strain insulator, and installing a new 10kV strain insulator;
s6, after the new 10kV strain insulator is installed, the combined tool for replacing the 10kV strain insulator in an electrified mode is detached from the 10kV pole, and operation is completed.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a combination tool of 10kV strain insulator is changed in electrified, its characterized in that: the tension insulator replacing device comprises a pair of supporting rods which are vertically arranged in parallel, wherein an arc-shaped plate which is attached to the outer arc surface of a 10kV wire rod is arranged on the outer side of the lower end of each supporting rod, a pair of cross rods are arranged between the upper portions of the supporting rods through fastening components, the distance between the cross rods is smaller than the diameter of a 10kV tension insulator to be replaced, a connecting rod is arranged between the right ends of the cross rods and is positioned right above the arc-shaped plate, a hook groove is formed in each of the left ends of the cross rods, a pull rope is arranged between the hook grooves and is used for hooking a wire puller, mounting rings are arranged at two ends of the pull rope respectively and are buckled in the hook grooves at corresponding positions, and the cross rods and the supporting rods which are positioned on the same side are connected through inclined supporting rods; the pair of support rods, the pair of cross rods and the two inclined support rods are all made of insulating materials; a row of mounting holes are formed in the supporting rod along the length direction, and the mounting heights of the pair of cross rods are adjusted by selecting the mounting holes with different heights; and the operator utilizes the combined tool to carry out remote replacement operation on the 10kV strain insulator from the upper part of the upper end of the 10kV wire pole to the lower part.
2. The combination tool for live replacement of 10kV strain insulator according to claim 1, wherein: still include a reserve protection rope, the side of a pair of horizontal pole all is provided with an elastic fixation ring, the reserve protection rope is walked around just by the 10kV pole outside the both ends of reserve protection rope are gone into the elastic fixation intra-annular of relevant position after the folding back card.
3. The combination tool for live replacement of 10kV strain insulator according to claim 2, wherein: the elastic fixing ring is a rubber ring or an annular rubber band.
4. The combination tool for live replacement of 10kV strain insulator according to claim 1, wherein: the connecting rod is provided with a first rubber layer.
5. The combination tool for live replacement of 10kV strain insulator according to claim 1, wherein: and a second rubber layer is arranged on the inner arc surface of the arc plate.
6. The combination tool for live replacement of 10kV strain insulator according to claim 1, wherein: the fastening component is a bolt and nut component or a screw and nut component or a pin.
7. The combination tool for live replacement of 10kV strain insulator according to claim 1, wherein: an insulating operating rod is vertically arranged on one outer side of the pair of supporting rods.
8. The combination tool for replacing 10kV strain insulator in an electrified way according to any one of claims 1 to 7, characterized in that the operation method of the combination tool for replacing 10kV strain insulator in an electrified way comprises the following steps:
s1, completing the assembly of the combination tool for replacing the 10kV strain insulator in an electrified way;
s2, lifting a live working worker to the top of the 10kV pole by using an aerial live working vehicle, installing the assembled combined tool for live replacement of the 10kV tension insulator on the 10kV pole by using an insulating operating rod, and ensuring that the lower ends of a pair of supporting rods are positioned on an installation hoop of a cross arm of the 10kV pole, an arc-shaped plate is attached to the outer side arc surface of the 10kV pole, and a pair of cross rods are just positioned below the middle-phase tension insulator to be replaced;
s3, fixing one end of a wire puller on a lead of the 10kV strain insulator to be replaced by the hot-line worker through the overhead hot-line worker, and hooking the other end of the wire puller on a pull rope to perform wire tightening operation;
s4, drawing out two end parts of a backup protection rope sleeved on the outer side of the 10kV pole from the elastic fixing ring, and fastening the two end parts on a lead of a 10kV tension insulator to be replaced to serve as a backup protection wire;
s5, disassembling the 10kV strain insulator to be replaced by live working personnel, dropping the 10kV strain insulator which is completely disassembled on a pair of cross rods, then recovering the disassembled 10kV strain insulator, and installing a new 10kV strain insulator;
s6, after the new 10kV strain insulator is installed, the combined tool for replacing the 10kV strain insulator in an electrified mode is detached from the 10kV pole, and operation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591814Y (en) * | 2002-09-04 | 2003-12-10 | 山东鲁能智能技术有限公司 | Adjustable supporting device |
| KR101266164B1 (en) * | 2013-01-15 | 2013-05-21 | (주)선운 이앤지 | Measuring system for insuring safety distenance of overhead transmission line and its method for producing 3d simulation |
| CN203242964U (en) * | 2013-05-31 | 2013-10-16 | 广州南方电力集团电安建设有限公司 | Insulated shielding tool for replacing tension insulator on 10kV line in charged state |
| CN204190262U (en) * | 2014-10-15 | 2015-03-04 | 广东电网公司江门供电局 | A kind of top line device of angle pole replacing insulator |
| CN204885994U (en) * | 2015-07-02 | 2015-12-16 | 国家电网公司 | Stockbridge damper appurtenance is changed to strain insulator pole circuit |
| CN105375389A (en) * | 2015-11-30 | 2016-03-02 | 国网北京市电力公司 | Wire fixing device |
-
2019
- 2019-08-30 CN CN201910810909.6A patent/CN110492385B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591814Y (en) * | 2002-09-04 | 2003-12-10 | 山东鲁能智能技术有限公司 | Adjustable supporting device |
| KR101266164B1 (en) * | 2013-01-15 | 2013-05-21 | (주)선운 이앤지 | Measuring system for insuring safety distenance of overhead transmission line and its method for producing 3d simulation |
| CN203242964U (en) * | 2013-05-31 | 2013-10-16 | 广州南方电力集团电安建设有限公司 | Insulated shielding tool for replacing tension insulator on 10kV line in charged state |
| CN204190262U (en) * | 2014-10-15 | 2015-03-04 | 广东电网公司江门供电局 | A kind of top line device of angle pole replacing insulator |
| CN204885994U (en) * | 2015-07-02 | 2015-12-16 | 国家电网公司 | Stockbridge damper appurtenance is changed to strain insulator pole circuit |
| CN105375389A (en) * | 2015-11-30 | 2016-03-02 | 国网北京市电力公司 | Wire fixing device |
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| CN110492385A (en) | 2019-11-22 |
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