CN217281883U - Insulating pull rod for protecting live-wire stringing - Google Patents
Insulating pull rod for protecting live-wire stringing Download PDFInfo
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- CN217281883U CN217281883U CN202122159897.0U CN202122159897U CN217281883U CN 217281883 U CN217281883 U CN 217281883U CN 202122159897 U CN202122159897 U CN 202122159897U CN 217281883 U CN217281883 U CN 217281883U
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- electric pole
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Abstract
The utility model relates to an insulating pull rod for protecting live wire tightening, which comprises an insulating rod, an electric pole connecting part and a wire fixing part; the insulating rod comprises an inner rod and an outer rod which are coaxially arranged and can move mutually; the electric pole connecting part comprises a connecting rod connected with the insulating rod, one end of the connecting rod is fixedly connected with the insulating rod through a connector, and the other end of the connecting rod is provided with a semicircular ring fixedly connected with the electric pole; the wire fixing part comprises an anti-falling metal hook arranged at the tail end of the insulating rod and a wire clamping device arranged on the anti-falling metal hook. The utility model has the advantages that: the electric pole connecting part adopts a semicircular design and is firmly connected with the electric pole under the action of downward acting force; the wire fixing part and the wire tightener can realize quick assembly and disassembly, and the length of the insulating rod can be freely adjusted by the insulating rod; after the insulator string is electrified and disconnected, even if the insulation tightener fails, the insulation pull rod can completely play a role in insulating against the ground and tensioning the lead.
Description
Technical Field
The utility model relates to a join in marriage hot-line work in net live working live-line work live-line operation instrument, especially an insulating pull rod of electrified stringing protection usefulness.
Background
At present, distribution network live-line work is already used as a main means for overhauling a distribution network, and live replacement of a strain insulator string by an insulating glove work method is a more conventional work item in live-line work. According to the existing operation mode, after the strain insulator string is replaced in an electrified way by an insulating glove operation method and is shielded in an insulating way, an insulating tightener is adopted to take up an electrified wire, and an insulating jack rope sleeve and a wire clamping device are used for setting backup protection of a wire tightening, so that the phenomenon that the electrified wire falls off to cause a line short circuit accident after the insulating tightener breaks down is prevented. However, on-site first-line workers have deviation when selecting the section specification of the insulating rope sleeve, the selected section is small, once the backup protection mainly bears the tension of the live wire, the situation of breakage can occur, and finally the live wire of the lead slips to cause personal and power grid accidents.
SUMMERY OF THE UTILITY MODEL
The utility model aims to reach the purpose just provide an insulating pull rod of electrified stringing protection usefulness, avoid appearing the deviation and causing the accident of the person and electric wire netting when selecting for use the cross-section specification of insulating rope sling to operating efficiency and security have been improved greatly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an insulating pull rod for protecting live wire stringing comprises an insulating rod, an electric pole connecting part and a wire fixing part, wherein the electric pole connecting part is arranged at the head of the insulating rod and used for connecting an electric pole, and the wire fixing part is arranged at the tail end of the insulating rod and used for fixing a wire; the insulating rod comprises an inner rod and an outer rod which are coaxially arranged and can move mutually; the electric pole connecting part comprises a connecting rod connected with the insulating rod, one end of the connecting rod is fixedly connected with the insulating rod through a connector, and the other end of the connecting rod is provided with a semicircular ring fixedly connected with the electric pole; the wire fixing part comprises an anti-falling metal hook arranged at the tail end of the insulating rod and a wire clamping device arranged on the anti-falling metal hook.
Preferably, the connector is provided with a jack, the jack is provided with a bolt, and the insulating rod is inserted into the jack and fixed through the bolt.
Preferably, the connector, the connecting rod and the semicircular ring are integrally formed.
Preferably, the insulating rod is made of epoxy resin.
Preferably, the inner rod and the outer rod are both of hollow structures, and the inner rod is in threaded connection with the outer rod.
Preferably, the inner rod is provided with a metal screw, the metal screw is arranged in the outer rod, and the outer rod is provided with a threaded hole matched with the metal screw.
Preferably, the diameter of the insulating rod is D, and D is more than or equal to 22mm and less than or equal to 26 mm.
Preferably, the length of the metal screw is L1, and L1 is more than or equal to 30cm and less than or equal to 50 cm.
Preferably, the length of the insulating rod is L2, and L2 is more than or equal to 1.2m and less than or equal to 1.5 m.
After the technical scheme is adopted, the utility model has the advantages of as follows:
the electric pole connecting part is adapted to the conventional electric pole specification, adopts a semicircular ring design and is matched with a taper-shaped cement electric pole (long cone), is convenient to install and use, is not easy to fall off, and is connected and fastened with the electric pole under the action of downward acting force; the wire fixing part and the wire grip can be quickly assembled and disassembled, wherein the wire grip is made of metal, the tail end of the wire grip is a round hole, the tail end of the insulating rod is an anti-falling metal hook, an anti-falling safety buckle is arranged on the wire grip, the wire grip is arranged on the anti-falling metal hook through the round hole and is convenient to be matched with wire grips with different specifications for use, and the wire grip can be quickly assembled and disassembled with wires with different sections, so that hot-line work and carrying are convenient; the insulating rod is made of epoxy resin materials and has high electrical insulation performance and mechanical performance; the middle part of the insulating rod is internally provided with a 40 cm-length metal screw rod, one end of the insulating rod is rotated by hand to have a 30cm stroke for adjustment, the length of the insulating rod can be freely adjusted within the range of 1.2m-1.5m, and the insulating rod is suitable for all 10kThe diameter range of the V-20kV electric pole device and the insulating pull rod is 22mm-26mm, and the cross section of the electric pole device can be ensured to be 240mm 2 And the tension action of the following overhead conductors is achieved, so that after the insulator string is electrified and disconnected, even if the insulating tightener fails, the insulating pull rod can completely play the roles of insulation and conductor tension relative to the ground, and the safety, convenience and operation efficiency of operation are greatly improved.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a connection head according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals:
1. an insulating rod; 11. an inner rod; 12. an outer rod; 13. a metal screw; 2. an electric pole connecting part; 21. a connecting rod; 22. a connector; 23. a semicircular ring; 24. a jack; 25. a bolt; 3. a wire fixing portion; 31. an anti-drop metal hook; 32. a wire clamping device.
Detailed Description
In order to explain the overall concept of the present invention more clearly, the present invention will be further explained with reference to the attached drawings and specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.
Example one
An insulating pull rod for protecting live stringing is shown in fig. 1 and 2, and comprises an insulating rod 1, a pole connecting part 2 arranged at the head of the insulating rod 1 and used for connecting an electric pole, and a lead fixing part 3 arranged at the tail end of the insulating rod 1 and used for fixing a lead.
The insulating rod 1 is made of epoxy resin and has strong electrical insulating property and mechanical property; the insulating rod 1 comprises an inner rod 11 and an outer rod 12 which are coaxially arranged and can move mutually; the inner rod 11 and the outer rod 12 are both of a hollow structure, and the inner rod 11 is in threaded connection with the outer rod 12. Through the one end of the rotatory insulator spindle 1 of hand, can freely adjust insulator spindle 1 length, satisfy the demand of different length insulator spindles 1.
The design of the semi-circular ring 23 is adopted, the semi-circular ring 23 is adapted to the specification of a conventional electric pole, and is matched with a taper-shaped cement electric pole (long cone), so that the installation and the use are convenient, the electric pole is not easy to fall off, and the electric pole is connected and fastened when being acted by a downward acting force; the connector 22 is provided with a jack 24, the jack 24 is provided with a bolt 25, the insulating rod 1 is inserted into the jack 24 and fixed through the bolt 25, and the insulating rod 1 is convenient to mount and dismount; the connector 22, the connecting rod 21 and the semicircular ring 23 are integrally formed, and the processing and the manufacturing are convenient.
The wire fixing part 3 includes a separation preventing metal hook 31 provided at the rear end of the insulating rod 1, and a wire clamper 32 provided on the separation preventing metal hook 31. Fixing-line device 32 adopts the metal to make, and fixing-line device 32 tail end is the round hole, and anticreep metal hook 31 is fixed at 1 tail end of insulator spindle, is equipped with the anticreep insurance on it and detains, and fixing-line device 32 installs on anticreep metal hook 31 through the round hole, is convenient for use with the fixing-line device 32 cooperation of different specifications, and fixing-line device 32 can install fast with the wire of different cross-sections and dismantle, makes things convenient for live working and carries.
The diameter of the insulating rod 1 is D, and D is more than or equal to 22mm and less than or equal to 26 mm. It is understood that the diameter D of the insulating rod 1 may be 22mm, 24mm, 26mm, etc. as appropriate. One end of the insulating rod 1 is rotated by hands, so that the stroke can be adjusted, the length of the insulating rod 1 can be freely adjusted within the range of 1.2m-1.5m, and the electric pole device is suitable for all 10kV-20kV electric pole devices.
The length of the insulating rod 1 is L2, and L2 is more than or equal to 1.2m and less than or equal to 1.5 m. It is understood that the length L2 of the insulating rod 1 can be set to other reasonable lengths such as 1.22m, 1.27m, 1.3m, 1.34m, 1.4m, 1.45m, etc. Can ensure the cross section to be 240mm 2 And the tension action of the following overhead conductors, after the insulator string is electrified and disconnected, even if the insulation tightener fails, the insulation pull rod can completely play the roles of insulation relative to the ground and tension of the conductors.
Example two
Different from the first embodiment, as shown in fig. 3, the inner rod 11 is provided with a metal screw 13, the metal screw 13 is embedded in the outer rod 12, and the outer rod 12 is provided with a threaded hole adapted to the metal screw 13. The length of the metal screw 13 is L1, and L1 is more than or equal to 30cm and less than or equal to 50 cm. The metal screw 13 is wear-resistant and not easy to break, and the action safety is further improved.
It is understood that the length L1 of the metal screw 13 can be set to be 33cm, 35cm, 38cm, 41cm, 43cm, 45cm, 47cm, 48cm or other reasonable lengths.
Other contents not described in this embodiment can refer to embodiment one.
In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.
Claims (9)
1. The utility model provides an insulating pull rod of protection usefulness of live-line tight line which characterized in that: the insulation pole comprises an insulation pole, a pole connecting part arranged at the head of the insulation pole and used for connecting a pole, and a lead fixing part arranged at the tail end of the insulation pole and used for fixing a lead; the insulating rod comprises an inner rod and an outer rod which are coaxially arranged and can move mutually; the electric pole connecting part comprises a connecting rod connected with the insulating rod, one end of the connecting rod is fixedly connected with the insulating rod through a connector, and the other end of the connecting rod is provided with a semicircular ring fixedly connected with the electric pole; the wire fixing part comprises an anti-falling metal hook arranged at the tail end of the insulating rod and a wire clamping device arranged on the anti-falling metal hook.
2. The insulated pull rod for protecting the live stringing according to claim 1, wherein: the connector is provided with a jack, the jack is provided with a bolt, and the insulating rod is inserted into the jack and fixed through the bolt.
3. The insulated pull rod for protecting the live stringing according to claim 2, wherein: the connector, the connecting rod and the semicircular ring are integrally formed.
4. The insulated pull rod for protecting the live stringing according to claim 1, wherein: the insulating rod is made of epoxy resin.
5. The insulated pull rod for protecting the live stringing according to claim 4, wherein: the inner rod and the outer rod are both of hollow structures, and the inner rod is in threaded connection with the outer rod.
6. The insulated pull rod for protecting the live stringing according to claim 5, wherein: the inner rod is provided with a metal screw, the metal screw is arranged in the outer rod, and the outer rod is provided with a threaded hole matched with the metal screw.
7. The insulated tension rod for live-wire protection according to any one of claims 1 to 6, wherein: the diameter of the insulating rod is D, and D is more than or equal to 22mm and less than or equal to 26 mm.
8. The insulated pull rod for protecting the live stringing according to claim 6, wherein: the length of the metal screw is L1, and L1 is more than or equal to 30cm and less than or equal to 50 cm.
9. The insulated pull rod for live-wire protection according to claim 7, wherein: the length of the insulating rod is L2, and L2 is more than or equal to 1.2m and less than or equal to 1.5 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122159897.0U CN217281883U (en) | 2021-09-07 | 2021-09-07 | Insulating pull rod for protecting live-wire stringing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122159897.0U CN217281883U (en) | 2021-09-07 | 2021-09-07 | Insulating pull rod for protecting live-wire stringing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217281883U true CN217281883U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122159897.0U Active CN217281883U (en) | 2021-09-07 | 2021-09-07 | Insulating pull rod for protecting live-wire stringing |
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| Country | Link |
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| CN (1) | CN217281883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116345350A (en) * | 2023-03-14 | 2023-06-27 | 海南电网有限责任公司乐东供电局 | Insulator replacement device for power distribution network |
-
2021
- 2021-09-07 CN CN202122159897.0U patent/CN217281883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116345350A (en) * | 2023-03-14 | 2023-06-27 | 海南电网有限责任公司乐东供电局 | Insulator replacement device for power distribution network |
| CN116345350B (en) * | 2023-03-14 | 2024-04-19 | 海南电网有限责任公司乐东供电局 | Insulator replacement device for power distribution network |
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