CN105406399A - Tool and method for replacing phase insulator string in 500kV compact type circuit on live line - Google Patents
Tool and method for replacing phase insulator string in 500kV compact type circuit on live line Download PDFInfo
- Publication number
- CN105406399A CN105406399A CN201510946578.0A CN201510946578A CN105406399A CN 105406399 A CN105406399 A CN 105406399A CN 201510946578 A CN201510946578 A CN 201510946578A CN 105406399 A CN105406399 A CN 105406399A
- Authority
- CN
- China
- Prior art keywords
- single connection
- connection hole
- hole
- insulator string
- aluminum alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The invention discloses a tool for replacing a phase insulator string in a 500kV compact type circuit on live line. The tool comprises a flower-shaped clamp, the first end of the flower-shaped clamp is a dual-connection hole fork structure, the second end of the flower-shaped clamp is connected with the first end of a hydraulic lead screw, the second end of the hydraulic lead screw is connected with the first end of an insulation pull-rod, the second of the insulation pull-rod is connected with the first end of an aluminum alloy joint component, the second end of the aluminum alloy joint component is connected with the first end of a construction hole joint, the second end of the construction hole joint is a single connection hole holder structure. The invention further discloses a method for replacing the phase insulator string in the 500kV compact type circuit on live line. The method comprises the steps of replacing the phase insulator string in the 500kV compact type circuit after entering a phase conductor side equal-potential operation position through the adoption of above tool and matching with a mode of swinging in through an insulating flexible ladder.
Description
Technical field
The present invention relates to a kind of replacing insulator string instrument, particularly relate to a kind of phase insulator string instrument and method in charged for replacement 500kV compact line.
Background technology
In recent years, along with the quickening of urban construction paces, the contradiction of land resource and power transmission line corridor construction will become increasingly conspicuous.500kV compact transmission line not only can reduce land area, reduces engineering cost, but also can increase transmission line capability, occupy epochmaking status in extra high voltage network.
Because 500kV compact transmission line occupies extremely important status in extra high voltage network, and in power grid construction process, adopt the compact transmission line load that transmits electric power also will be a kind of trend, therefore, the defect adopting the mode of live line working to eliminate extra high voltage network will become a kind of means of routine.But due to 500kV compact transmission line the height of the conductors densification, so the size ratio routine of the triangle yoke plate at insulator string two ends and middle phase suspension centre yoke plate is much smaller, like this, the tool and method of conventional live line working uses and cannot meet job requirements on 500kV compact transmission line, thus original replacing insulator string instrument will be caused not to be suitable for the maintenance of this 500kV compact transmission line.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, providing a kind of and being exclusively used in phase insulator string instrument and method in the charged for replacement 500kV compact line of 500kV compact transmission line.
In order to realize above object, phase insulator string instrument in a kind of charged for replacement 500kV compact line provided by the invention, comprise colored shape jig, hydraulic screw rod, insulation pull-rod, aluminum alloy joint and construction hole connector, the first end of described colored shape jig is the dual link hole fork configuration matched with the triangle yoke plate in 500kV compact transmission line, second end of described colored shape jig is the single connection hole board plug structure matched with the first end of described hydraulic screw rod, the first end of described hydraulic screw rod and the second end are single connection hole fork configuration, the first end of described insulation pull-rod is the single connection hole board plug structure matched with the second end of described hydraulic screw rod, second end of described insulation pull-rod is single connection hole fork configuration, the first end of described aluminum alloy joint is single connection hole board plug structure, second end of described aluminum alloy joint is single connection hole fork configuration, aluminum alloy joint described in several joins end to end and is spliced into aluminum alloy joint assembly, the first end of described construction hole connector is single connection hole board plug structure, second end of described construction hole connector be with in described 500kV compact transmission line in the single connection hole insertion tube structure that matches of phase suspension centre yoke plate, described single connection hole board plug structure matches with described single connection hole fork configuration, second end of described colored shape jig is connected with the first end of described hydraulic screw rod with described single connection hole fork configuration by the described single connection hole board plug structure cooperatively interacted, second end of described hydraulic screw rod is connected with the first end of described insulation pull-rod with described single connection hole board plug structure by the described single connection hole fork configuration cooperatively interacted, second end of described insulation pull-rod is connected with the first end of described aluminum alloy joint assembly with described single connection hole board plug structure by the described single connection hole fork configuration cooperatively interacted, second end of described aluminum alloy joint assembly is connected with the first end of described construction hole connector with described single connection hole board plug structure by the described single connection hole fork configuration cooperatively interacted.
By the triangle yoke plate adopting the colored shape jig of application specific architecture to coordinate special construction size, and also adopt the construction hole connector of application specific architecture to coordinate the middle phase suspension centre yoke plate of special construction size, so just, the hydraulic screw rod of general structure and insulation pull-rod can be used to carry out replacing operation to phase insulator string in 500kV compact transmission line, and structure is simple and easy to operate; Meanwhile, by aluminum alloy joint is designed to splicing construction, varying number aluminum alloy joint can be selected according to the different length of phase insulator string in 500kV compact transmission line like this, to adapt to various line requirements, thus improve the applicability of this instrument.
In such scheme, the axis of the connecting hole of the single connection hole board plug structure on the axis of the connecting hole of the dual link hole fork configuration on described colored shape jig and described colored shape jig is parallel to each other.Be parallel to each other by the axis of the connecting hole of the single connection hole board plug structure on the axis designs Cheng Yuhua shape jig of the connecting hole by the dual link hole fork configuration on flower shape jig, connection and the adjustment of flower shape jig can be convenient to like this.
In such scheme, the axis of the connecting hole of the single connection hole fork configuration at described hydraulic screw rod two ends is mutually vertical.Become mutually vertical by the axis designs of the connecting hole of the single connection hole fork configuration by hydraulic screw rod two ends, linearity when this instrument uses can be ensured like this, thus convenient operation.
In such scheme, the axis of the connecting hole of the single connection hole board plug structure on described insulation pull-rod is mutually vertical with the axis of the connecting hole of the single connection hole fork configuration on described insulation pull-rod.Become mutually vertical with the axis of the connecting hole of the single connection hole fork configuration on insulation pull-rod by the axis designs of the connecting hole by the single connection hole board plug structure on insulation pull-rod, linearity when this instrument uses can be ensured like this, thus convenient operation.
In such scheme, the axis of the connecting hole of the single connection hole fork configuration on the axis of the connecting hole of the single connection hole board plug structure on described aluminum alloy joint and described aluminum alloy joint is parallel to each other.Become by the axis designs of the connecting hole by the single connection hole board plug structure on aluminum alloy joint and be parallel to each other with the axis of the connecting hole of the single connection hole fork configuration on aluminum alloy joint, be convenient to like this adjust linearity when this instrument uses, thus convenient operation.
In such scheme, the axis of the connecting hole of the single connection hole board plug structure on described construction hole connector is mutually vertical with the axis of the connecting hole of the single connection hole insertion tube structure on described construction hole connector.Become mutually vertical with the axis of the connecting hole of the single connection hole insertion tube structure on construction hole connector by the axis designs of the connecting hole by the single connection hole board plug structure on construction hole connector, linearity when this instrument uses can be ensured like this, thus convenient operation.
In such scheme, the quantity of described aluminum alloy joint is at least two.
In such scheme, the length of described aluminum alloy joint is 15 ~ 30cm.
In such scheme, the width of the dual link hole fork configuration on described colored shape jig is greater than the width of the single connection hole board plug structure on described colored shape jig, and the axis of the connecting hole of the single connection hole board plug structure on described colored shape jig is positioned at the vertical bisector plane of the two connecting hole lines of centres of the dual link hole fork configuration on described colored shape jig.By becoming to be greater than the width of the single connection hole board plug structure on colored shape jig by the width design of the dual link hole fork configuration on flower shape jig, flower shape jig and the reliability be connected between triangle yoke plate can be ensured like this; Simultaneously, become to be positioned at the vertical bisector plane of the two connecting hole lines of centres of the dual link hole fork configuration on colored shape jig by the axis designs of the connecting hole by the single connection hole board plug structure on flower shape jig, the stressed more balance of flower shape jig can be made so evenly.
Present invention also offers a kind of method adopting phase insulator string in above-mentioned tool belt charged renewal 500kV compact line, comprise the following steps:
Determine the quantity needed for described aluminum alloy joint according to the length of phase insulator string in 500kV compact transmission line, and described colored shape jig, hydraulic screw rod, insulation pull-rod, aluminum alloy joint are connected with construction hole connector order;
Operating personnel steps on tower and on tower, earth potential operating personnel completes the installment work that rope and corner block are transmitted in insulation, and insulated flexible ladder is hung on the position directly over middle phase conductor;
Equal potential working position, phase conductor side during the mode that equal potential working personnel adopt insulated flexible ladder to swing under the cooperation of tower body side operating personnel enters;
The described instrument assembled is delivered to the conductor wire end in described 500kV compact transmission line by ground staff, the colored shape jig of described instrument is fixed in the centre position of the triangle yoke plate in described 500kV compact transmission line by equal potential working personnel by bolt lock, directly over wire in described 500kV compact transmission line, the construction hole connector of described instrument is fixed in the centre position in phase suspension centre yoke plate construction hole in described 500kV compact transmission line by the earth potential working personnel at cross-arm place by construction hole bolt lock, and tightens the nut of construction hole bolt;
Equal potential working personnel tighten up the hydraulic screw rod of described instrument, implement the operation of loose insulator string tension force;
Insulator string unclamps and delivers to ground and changes by equal potential working personnel and earth potential working personnel, and meanwhile, ground staff is by new insulator string lifting lift-off;
Equal potential working personnel and earth potential working personnel install new insulator string;
Hydraulic screw rod described in equal potential working PERSONNEL RECOVERY, is recovered the described instrument of rear dismounting, namely completes phase insulator string operation in charged for replacement 500kV compact transmission line.
By adopting specific purpose tool, and coordinating the mode adopting insulated flexible ladder to swing in enter equal potential working position, middle phase conductor side, very conveniently can change phase insulator string in 500kV compact transmission line quickly like this.
The beneficial effect that technical scheme of the present invention is brought is:
1, the triangle yoke plate by adopting the colored shape jig of application specific architecture to coordinate special construction size, and also adopt the construction hole connector of application specific architecture to coordinate the middle phase suspension centre yoke plate of special construction size, so just, the hydraulic screw rod of general structure and insulation pull-rod can be used to carry out replacing operation to phase insulator string in 500kV compact transmission line, and structure is simple and easy to operate;
2, by aluminum alloy joint is designed to splicing construction, varying number aluminum alloy joint can be selected according to the different length of phase insulator string in 500kV compact transmission line like this, to adapt to various line requirements, thus improve the applicability of this instrument;
3, be parallel to each other by the axis of the connecting hole of the single connection hole board plug structure on the axis designs Cheng Yuhua shape jig of the connecting hole by the dual link hole fork configuration on flower shape jig, connection and the adjustment of flower shape jig can be convenient to like this;
4, by the axis designs of the connecting hole of the single connection hole fork configuration at hydraulic screw rod two ends being become mutually vertical, linearity when this instrument uses can be ensured like this, thus convenient operation;
5, become mutually vertical with the axis of the connecting hole of the single connection hole fork configuration on insulation pull-rod by the axis designs of the connecting hole by the single connection hole board plug structure on insulation pull-rod, linearity when this instrument uses can be ensured like this, thus convenient operation;
6, be parallel to each other with the axis of the connecting hole of the single connection hole fork configuration on aluminum alloy joint by the axis designs one-tenth of the connecting hole by the single connection hole board plug structure on aluminum alloy joint, be convenient to like this adjust linearity when this instrument uses, thus convenient operation;
7, become mutually vertical with the axis of the connecting hole of the single connection hole insertion tube structure on construction hole connector by the axis designs of the connecting hole by the single connection hole board plug structure on construction hole connector, linearity when this instrument uses can be ensured like this, thus convenient operation;
8, by becoming to be greater than the width of the single connection hole board plug structure on colored shape jig by the width design of the dual link hole fork configuration on flower shape jig, flower shape jig and the reliability be connected between triangle yoke plate can be ensured like this;
9, become to be positioned at the vertical bisector plane of the two connecting hole lines of centres of the dual link hole fork configuration on colored shape jig by the axis designs of the connecting hole by the single connection hole board plug structure on flower shape jig, the stressed more balance of flower shape jig can be made so evenly;
10, by adopting specific purpose tool, and coordinating the mode adopting insulated flexible ladder to swing in enter equal potential working position, middle phase conductor side, very conveniently can change phase insulator string in 500kV compact transmission line quickly like this.
The present invention is compared with the prior art, and fully its superiority of display is: structure is simple, cost is low, construction safety is convenient, operating efficiency is high and applicability is wide etc.
Accompanying drawing explanation
Fig. 1 is using state structural representation of the present invention;
Fig. 2 is the structural representation of flower shape jig in the present invention;
Fig. 3 is the side-looking structural representation of Fig. 2;
Fig. 4 is the structural representation of aluminum alloy joint in the present invention;
Fig. 5 is the structural representation of hole connector of constructing in the present invention.
In figure: flower shape jig 1, hydraulic screw rod 2, insulation pull-rod 3, aluminum alloy joint 4, construction hole connector 5, triangle yoke plate 6, middle phase suspension centre yoke plate 7.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
Embodiment 1:
Phase insulator string instrument in a kind of charged for replacement 500kV compact line, comprise colored shape jig 1, hydraulic screw rod 2, insulation pull-rod 3, aluminum alloy joint 4 and construction hole connector 5, the first end of described colored shape jig 1 is the dual link hole fork configuration matched with the triangle yoke plate 6 in 500kV compact transmission line, second end of described colored shape jig 1 is the single connection hole board plug structure matched with the first end of described hydraulic screw rod 2, the first end of described hydraulic screw rod 2 and the second end are single connection hole fork configuration, the first end of described insulation pull-rod 3 is the single connection hole board plug structure matched with the second end of described hydraulic screw rod 2, second end of described insulation pull-rod 3 is single connection hole fork configuration, the first end of described aluminum alloy joint 4 is single connection hole board plug structure, second end of described aluminum alloy joint 4 is single connection hole fork configuration, aluminum alloy joint 4 described in several joins end to end and is spliced into aluminum alloy joint assembly, the first end of described construction hole connector 5 is single connection hole board plug structure, second end of described construction hole connector 5 be with in described 500kV compact transmission line in the single connection hole insertion tube structure that matches of phase suspension centre yoke plate 7, described single connection hole board plug structure matches with described single connection hole fork configuration, second end of described colored shape jig 1 is connected with the first end of described hydraulic screw rod 2 with described single connection hole fork configuration by the described single connection hole board plug structure cooperatively interacted, second end of described hydraulic screw rod 2 is connected with the first end of described insulation pull-rod 3 with described single connection hole board plug structure by the described single connection hole fork configuration cooperatively interacted, second end of described insulation pull-rod 3 is connected with the first end of described aluminum alloy joint assembly with described single connection hole board plug structure by the described single connection hole fork configuration cooperatively interacted, second end of described aluminum alloy joint assembly is connected with the first end of described construction hole connector 5 with described single connection hole board plug structure by the described single connection hole fork configuration cooperatively interacted.
By the triangle yoke plate 6 adopting the colored shape jig 1 of application specific architecture to coordinate special construction size, and also adopt the construction hole connector 5 of application specific architecture to coordinate the middle phase suspension centre yoke plate 7 of special construction size, so just, phase insulator string in the hydraulic screw rod 2 of general structure and insulation pull-rod 3 pairs of 500kV compact transmission lines can be used to carry out replacing operation, and structure is simple and easy to operate; Meanwhile, by aluminum alloy joint 4 is designed to splicing construction, varying number aluminum alloy joint 4 can be selected according to the different length of phase insulator string in 500kV compact transmission line like this, to adapt to various line requirements, thus improve the applicability of this instrument.
The axis of the connecting hole of the single connection hole board plug structure on the axis of the connecting hole of the dual link hole fork configuration on above-mentioned colored shape jig 1 and described colored shape jig 1 is parallel to each other.Be parallel to each other by the axis of the connecting hole of the single connection hole board plug structure on the axis designs Cheng Yuhua shape jig 1 of the connecting hole by the dual link hole fork configuration on flower shape jig 1, connection and the adjustment of flower shape jig 1 can be convenient to like this.The axis of the connecting hole of the single connection hole fork configuration at described hydraulic screw rod 2 two ends is mutually vertical.Become mutually vertical by the axis designs of the connecting hole of the single connection hole fork configuration by hydraulic screw rod 2 two ends, linearity when this instrument uses can be ensured like this, thus convenient operation.The axis of the connecting hole of the single connection hole board plug structure on described insulation pull-rod 3 is mutually vertical with the axis of the connecting hole of the single connection hole fork configuration on described insulation pull-rod 3.Become mutually vertical with the axis of the connecting hole of the single connection hole fork configuration on insulation pull-rod 3 by the axis designs of the connecting hole by the single connection hole board plug structure on insulation pull-rod 3, linearity when this instrument uses can be ensured like this, thus convenient operation.
The axis of the connecting hole of the single connection hole fork configuration on the axis of the connecting hole of the single connection hole board plug structure on above-mentioned aluminum alloy joint 4 and described aluminum alloy joint 4 is parallel to each other.Become by the axis designs of the connecting hole by the single connection hole board plug structure on aluminum alloy joint 4 and be parallel to each other with the axis of the connecting hole of the single connection hole fork configuration on aluminum alloy joint 4, be convenient to like this adjust linearity when this instrument uses, thus convenient operation.The axis of the connecting hole of the single connection hole board plug structure on described construction hole connector 5 is mutually vertical with the axis of the connecting hole of the single connection hole insertion tube structure on described construction hole connector 5.Become mutually vertical with the axis of the connecting hole of the single connection hole insertion tube structure on construction hole connector 5 by the axis designs of the connecting hole by the single connection hole board plug structure on construction hole connector 5, linearity when this instrument uses can be ensured like this, thus convenient operation.
The quantity of above-mentioned aluminum alloy joint 4 is at least two.The length of described aluminum alloy joint 4 is 15 ~ 30cm.The width of the dual link hole fork configuration on described colored shape jig 1 is greater than the width of the single connection hole board plug structure on described colored shape jig 1, and the axis of the connecting hole of the single connection hole board plug structure on described colored shape jig 1 is positioned at the vertical bisector plane of the two connecting hole lines of centres of the dual link hole fork configuration on described colored shape jig 1.By becoming to be greater than the width of the single connection hole board plug structure on colored shape jig 1 by the width design of the dual link hole fork configuration on flower shape jig 1, flower shape jig 1 and the reliability be connected between triangle yoke plate 6 can be ensured like this; Simultaneously, become to be positioned at the vertical bisector plane of the two connecting hole lines of centres of the dual link hole fork configuration on colored shape jig 1 by the axis designs of the connecting hole by the single connection hole board plug structure on flower shape jig 1, the stressed more balance of flower shape jig 1 can be made so evenly.
The triangle yoke plate 6 of the present embodiment by adopting the colored shape jig 1 of application specific architecture to coordinate special construction size, and also adopt the construction hole connector 5 of application specific architecture to coordinate the middle phase suspension centre yoke plate 7 of special construction size, so just, phase insulator string in the hydraulic screw rod 2 of general structure and insulation pull-rod 3 pairs of 500kV compact transmission lines can be used to carry out replacing operation, and structure is simple and easy to operate; By aluminum alloy joint 4 is designed to splicing construction, varying number aluminum alloy joint 4 can be selected according to the different length of phase insulator string in 500kV compact transmission line like this, to adapt to various line requirements, thus improve the applicability of this instrument; Be parallel to each other by the axis of the connecting hole of the single connection hole board plug structure on the axis designs Cheng Yuhua shape jig 1 of the connecting hole by the dual link hole fork configuration on flower shape jig 1, connection and the adjustment of flower shape jig 1 can be convenient to like this; Become mutually vertical by the axis designs of the connecting hole of the single connection hole fork configuration by hydraulic screw rod 2 two ends, linearity when this instrument uses can be ensured like this, thus convenient operation; Become mutually vertical with the axis of the connecting hole of the single connection hole fork configuration on insulation pull-rod 3 by the axis designs of the connecting hole by the single connection hole board plug structure on insulation pull-rod 3, linearity when this instrument uses can be ensured like this, thus convenient operation; Become by the axis designs of the connecting hole by the single connection hole board plug structure on aluminum alloy joint 4 and be parallel to each other with the axis of the connecting hole of the single connection hole fork configuration on aluminum alloy joint 4, be convenient to like this adjust linearity when this instrument uses, thus convenient operation; Become mutually vertical with the axis of the connecting hole of the single connection hole insertion tube structure on construction hole connector 5 by the axis designs of the connecting hole by the single connection hole board plug structure on construction hole connector 5, linearity when this instrument uses can be ensured like this, thus convenient operation; By becoming to be greater than the width of the single connection hole board plug structure on colored shape jig 1 by the width design of the dual link hole fork configuration on flower shape jig 1, flower shape jig 1 and the reliability be connected between triangle yoke plate 6 can be ensured like this; Become to be positioned at the vertical bisector plane of the two connecting hole lines of centres of the dual link hole fork configuration on colored shape jig 1 by the axis designs of the connecting hole by the single connection hole board plug structure on flower shape jig 1, the stressed more balance of flower shape jig 1 can be made so evenly.
Embodiment 2:
Adopt a method for phase insulator string in the tool belt charged renewal 500kV compact line in embodiment 1, comprise the following steps:
Determine the quantity needed for described aluminum alloy joint 4 according to the length of phase insulator string in 500kV compact transmission line, and described colored shape jig 1, hydraulic screw rod 2, insulation pull-rod 3, aluminum alloy joint 4 are connected with construction hole connector 5 order;
Operating personnel steps on tower and on tower, earth potential operating personnel completes the installment work that rope and corner block are transmitted in insulation, and insulated flexible ladder is hung on the position directly over middle phase conductor;
Equal potential working position, phase conductor side during the mode that equal potential working personnel adopt insulated flexible ladder to swing under the cooperation of tower body side operating personnel enters;
The described instrument assembled is delivered to the conductor wire end in described 500kV compact transmission line by ground staff, the colored shape jig 1 of described instrument is fixed in the centre position of the triangle yoke plate 6 in described 500kV compact transmission line by equal potential working personnel by bolt lock, directly over wire in described 500kV compact transmission line, the construction hole connector 5 of described instrument is fixed in phase suspension centre yoke plate 7 in described 500kV compact transmission line by construction hole bolt lock and constructs the centre position in hole by the earth potential working personnel at cross-arm place, and tightens the nut of construction hole bolt;
Equal potential working personnel tighten up the hydraulic screw rod 2 of described instrument, implement the operation of loose insulator string tension force;
Insulator string unclamps and delivers to ground and changes by equal potential working personnel and earth potential working personnel, and meanwhile, ground staff is by new insulator string lifting lift-off;
Equal potential working personnel and earth potential working personnel install new insulator string;
Hydraulic screw rod 2 described in equal potential working PERSONNEL RECOVERY, is recovered the described instrument of rear dismounting, namely completes phase insulator string operation in charged for replacement 500kV compact transmission line.
By adopting specific purpose tool, and coordinating the mode adopting insulated flexible ladder to swing in enter equal potential working position, middle phase conductor side, very conveniently can change phase insulator string in 500kV compact transmission line quickly like this.
The present embodiment by adopting specific purpose tool, and coordinates the mode adopting insulated flexible ladder to swing in enter equal potential working position, middle phase conductor side, very conveniently can change phase insulator string in 500kV compact transmission line quickly like this.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. phase insulator string instrument in a charged for replacement 500kV compact line, it is characterized in that, comprise colored shape jig (1), hydraulic screw rod (2), insulation pull-rod (3), aluminum alloy joint (4) and construction hole connector (5), the first end of described colored shape jig (1) is the dual link hole fork configuration matched with the triangle yoke plate (6) in 500kV compact transmission line, second end of described colored shape jig (1) is the single connection hole board plug structure matched with the first end of described hydraulic screw rod (2), the first end of described hydraulic screw rod (2) and the second end are single connection hole fork configuration, the first end of described insulation pull-rod (3) is the single connection hole board plug structure matched with the second end of described hydraulic screw rod (2), second end of described insulation pull-rod (3) is single connection hole fork configuration, the first end of described aluminum alloy joint (4) is single connection hole board plug structure, second end of described aluminum alloy joint (4) is single connection hole fork configuration, aluminum alloy joint described in several (4) joins end to end and is spliced into aluminum alloy joint assembly, the first end of described construction hole connector (5) is single connection hole board plug structure, second end of described construction hole connector (5) be with in described 500kV compact transmission line in the single connection hole insertion tube structure that matches of phase suspension centre yoke plate (7), described single connection hole board plug structure matches with described single connection hole fork configuration, second end of described colored shape jig (1) is connected with the first end of described hydraulic screw rod (2) with described single connection hole fork configuration by the described single connection hole board plug structure cooperatively interacted, second end of described hydraulic screw rod (2) is connected with the first end of described single connection hole board plug structure with described insulation pull-rod (3) by the described single connection hole fork configuration cooperatively interacted, second end of described insulation pull-rod (3) is connected with the first end of described aluminum alloy joint assembly with described single connection hole board plug structure by the described single connection hole fork configuration cooperatively interacted, second end of described aluminum alloy joint assembly is connected with the first end of described single connection hole board plug structure with described construction hole connector (5) by the described single connection hole fork configuration cooperatively interacted.
2. phase insulator string instrument in charged for replacement 500kV compact line as claimed in claim 1, it is characterized in that, the axis of the connecting hole of the single connection hole board plug structure on the axis of the connecting hole of the dual link hole fork configuration on described colored shape jig (1) and described colored shape jig (1) is parallel to each other.
3. phase insulator string instrument in charged for replacement 500kV compact line as claimed in claim 1, it is characterized in that, the axis of the connecting hole of the single connection hole fork configuration at described hydraulic screw rod (2) two ends is mutually vertical.
4. phase insulator string instrument in charged for replacement 500kV compact line as claimed in claim 1, it is characterized in that, the axis of the connecting hole of the single connection hole board plug structure on described insulation pull-rod (3) is mutually vertical with the axis of the connecting hole of the single connection hole fork configuration on described insulation pull-rod (3).
5. phase insulator string instrument in charged for replacement 500kV compact line as claimed in claim 1, it is characterized in that, the axis of the connecting hole of the single connection hole fork configuration on the axis of the connecting hole of the single connection hole board plug structure on described aluminum alloy joint (4) and described aluminum alloy joint (4) is parallel to each other.
6. phase insulator string instrument in charged for replacement 500kV compact line as claimed in claim 1, it is characterized in that, the axis of the connecting hole of the single connection hole board plug structure on described construction hole connector (5) is mutually vertical with the axis of the connecting hole of the single connection hole insertion tube structure on described construction hole connector (5).
7. phase insulator string instrument in charged for replacement 500kV compact line as claimed in claim 1, it is characterized in that, the quantity of described aluminum alloy joint (4) is at least two.
8. phase insulator string instrument in charged for replacement 500kV compact line as claimed in claim 1, it is characterized in that, the length of described aluminum alloy joint (4) is 15 ~ 30cm.
9. phase insulator string instrument in charged for replacement 500kV compact line as claimed in claim 1, it is characterized in that, the width of the dual link hole fork configuration on described colored shape jig (1) is greater than the width of the single connection hole board plug structure on described colored shape jig (1), and the axis of the connecting hole of the single connection hole board plug structure on described colored shape jig (1) is positioned at the vertical bisector plane of the two connecting hole lines of centres of the dual link hole fork configuration on described colored shape jig (1).
10. adopt the method for phase insulator string in tool belt charged renewal 500kV compact line as claimed in claim 1, it is characterized in that, comprise the following steps:
Determine the quantity needed for described aluminum alloy joint (4) according to the length of phase insulator string in 500kV compact transmission line, and described colored shape jig (1), hydraulic screw rod (2), insulation pull-rod (3), aluminum alloy joint (4) are connected with construction hole connector (5) order;
Operating personnel steps on tower and on tower, earth potential operating personnel completes the installment work that rope and corner block are transmitted in insulation, and insulated flexible ladder is hung on the position directly over middle phase conductor;
Equal potential working position, phase conductor side during the mode that equal potential working personnel adopt insulated flexible ladder to swing under the cooperation of tower body side operating personnel enters;
The described instrument assembled is delivered to the conductor wire end in described 500kV compact transmission line by ground staff, the colored shape jig (1) of described instrument is fixed in the centre position of the triangle yoke plate (6) in described 500kV compact transmission line by equal potential working personnel by bolt lock, directly over wire in described 500kV compact transmission line, the construction hole connector (5) of described instrument is fixed in the centre position in middle phase suspension centre yoke plate (7) the construction hole in described 500kV compact transmission line by the earth potential working personnel at cross-arm place by construction hole bolt lock, and tighten the nut of construction hole bolt,
Equal potential working personnel tighten up the hydraulic screw rod (2) of described instrument, implement the operation of loose insulator string tension force;
Insulator string unclamps and delivers to ground and changes by equal potential working personnel and earth potential working personnel, and meanwhile, ground staff is by new insulator string lifting lift-off;
Equal potential working personnel and earth potential working personnel install new insulator string;
Hydraulic screw rod (2) described in equal potential working PERSONNEL RECOVERY, is recovered the described instrument of rear dismounting, namely completes phase insulator string operation in charged for replacement 500kV compact transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946578.0A CN105406399A (en) | 2015-12-16 | 2015-12-16 | Tool and method for replacing phase insulator string in 500kV compact type circuit on live line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946578.0A CN105406399A (en) | 2015-12-16 | 2015-12-16 | Tool and method for replacing phase insulator string in 500kV compact type circuit on live line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105406399A true CN105406399A (en) | 2016-03-16 |
Family
ID=55471724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510946578.0A Pending CN105406399A (en) | 2015-12-16 | 2015-12-16 | Tool and method for replacing phase insulator string in 500kV compact type circuit on live line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105406399A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505467A (en) * | 2016-12-07 | 2017-03-15 | 中国南方电网有限责任公司超高压输电公司百色局 | 500 last insulator special replacement tools of KV transmission line tangent tower V-type string and using method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377402A (en) * | 1993-10-27 | 1995-01-03 | Semple, Jr.; Alan R. | Electrical insulator change-out tool |
| CN201263063Y (en) * | 2008-07-21 | 2009-06-24 | 云南电网公司曲靖供电局 | Tool for replacing straight-line simply connected double-string overhang insulator |
| CN101651308A (en) * | 2009-08-12 | 2010-02-17 | 安徽送变电工程公司 | Tension resistant four-serial string whole composite insulator replacing device |
| CN103825223A (en) * | 2014-03-25 | 2014-05-28 | 国家电网公司 | Tool and working method for live change of 220KV narrow base tower strain insulator string |
| CN203813335U (en) * | 2014-03-25 | 2014-09-03 | 国家电网公司 | Triangular yoke plate clamp for live exchange of 220 kV strain insulator string |
| CN205355667U (en) * | 2015-12-16 | 2016-06-29 | 国家电网公司 | Change with electricity looks insulator chain's in 500kV compact circuit instrument |
-
2015
- 2015-12-16 CN CN201510946578.0A patent/CN105406399A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5377402A (en) * | 1993-10-27 | 1995-01-03 | Semple, Jr.; Alan R. | Electrical insulator change-out tool |
| CN201263063Y (en) * | 2008-07-21 | 2009-06-24 | 云南电网公司曲靖供电局 | Tool for replacing straight-line simply connected double-string overhang insulator |
| CN101651308A (en) * | 2009-08-12 | 2010-02-17 | 安徽送变电工程公司 | Tension resistant four-serial string whole composite insulator replacing device |
| CN103825223A (en) * | 2014-03-25 | 2014-05-28 | 国家电网公司 | Tool and working method for live change of 220KV narrow base tower strain insulator string |
| CN203813335U (en) * | 2014-03-25 | 2014-09-03 | 国家电网公司 | Triangular yoke plate clamp for live exchange of 220 kV strain insulator string |
| CN205355667U (en) * | 2015-12-16 | 2016-06-29 | 国家电网公司 | Change with electricity looks insulator chain's in 500kV compact circuit instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505467A (en) * | 2016-12-07 | 2017-03-15 | 中国南方电网有限责任公司超高压输电公司百色局 | 500 last insulator special replacement tools of KV transmission line tangent tower V-type string and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20170338633A1 (en) | Quick connect and disconnect cable junction box | |
| CN203481774U (en) | Cable joint | |
| CN205355667U (en) | Change with electricity looks insulator chain's in 500kV compact circuit instrument | |
| CN206673533U (en) | A kind of novel high-pressure transmission line of electricity angle pole mounting structure | |
| CN201893536U (en) | Cable branch box | |
| CN105406399A (en) | Tool and method for replacing phase insulator string in 500kV compact type circuit on live line | |
| CN105428841A (en) | Cable grounding device | |
| CN202534890U (en) | Adapter | |
| CN208489502U (en) | A kind of cable elbow-shaped head grounding wire device | |
| CN203150997U (en) | Tool for live replacement of middle-phase vertical string insulator of power transmission line | |
| CN210858200U (en) | Single-loop multipurpose tower | |
| CN205039268U (en) | Electrode connecting plate | |
| CN101728701B (en) | Mine flameproof high-voltage cable connector | |
| CN203813320U (en) | Tool for live exchange of 220 kV narrow base tower strain insulator string | |
| CN103825222A (en) | Tool for changing 220kV narrow base tower strain insulator string with charges | |
| CN104810119B (en) | A kind of insulator | |
| CN103825223A (en) | Tool and working method for live change of 220KV narrow base tower strain insulator string | |
| CN105206951A (en) | Electrode connecting plate | |
| CN210918435U (en) | T-joint steel pipe pole with special-shaped cross arm | |
| CN205319485U (en) | Signal cable coupling assembling of nai mode of vibration | |
| CN105356370A (en) | Wire abandoning and pole protecting device for distribution circuit under nature disaster exceeding designed condition | |
| CN203895640U (en) | Grounding point switching device of voltage transformer secondary neutral grounding wire | |
| CN204516511U (en) | A kind of insulator | |
| CN108107295A (en) | A kind of cable flexible joint test tool and method | |
| CN110056244B (en) | Single-loop multipurpose pole tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160316 |
|
| RJ01 | Rejection of invention patent application after publication |