CN211790421U - Live working potential transfer device on tension string of extra-high voltage transmission tower - Google Patents
Live working potential transfer device on tension string of extra-high voltage transmission tower Download PDFInfo
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- CN211790421U CN211790421U CN202020161425.1U CN202020161425U CN211790421U CN 211790421 U CN211790421 U CN 211790421U CN 202020161425 U CN202020161425 U CN 202020161425U CN 211790421 U CN211790421 U CN 211790421U
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Abstract
The application provides a live working potential transfer device on strain insulator-string of extra-high voltage transmission tower, belongs to power supply machinery technical field. Live working potential transfer device on special high voltage transmission tower strain insulator-string includes: the shielding clothes rack comprises a shell, wherein a shielding clothes interface and an opening are arranged on the shell; the rotating shaft is rotatably connected in the shell; one side of the spring piece is connected to the rotating shaft and is wound on the rotating shaft in a rotating manner; one end of the metal wire is connected to the spring plate, and the other end of the metal wire penetrates through the buckle of the shell and is connected with a metal hook; each worker is connected with a potential transfer device, and the metal hooks on each potential transfer device are connected to realize potential transfer. The application provides an live working potential transfer device on special high voltage transmission tower strain insulator-string has advantages such as portable and easy-to-use, when two or more staff carry out the operation on special high voltage point tower strain insulator-string, prevents the circumstances such as shielding clothes arcing, scaling loss, guarantees live working personnel's safety.
Description
Technical Field
The utility model belongs to the technical field of power supply machine tool, concretely relates to potential transfer device about manual live working on special high voltage transmission tower strain insulator-string.
Background
With the rapid development of socioeconomic of China, the demand of electric power is getting bigger and bigger. With the western energy strategy of China moving, the development of energy in the western region of China will be further enhanced, and the large energy bases are far from the load center in the east, so an extra-high voltage direct-current transmission technology is needed, and the extra-high voltage direct-current transmission technology has the advantages of long economic transmission distance, strong single-circuit line transmission capacity, low transmission loss, strong large-range resource allocation capacity, remarkable driving effect on the electrical equipment industry and the like. The ultra-high voltage power grid in China has the characteristics of long-distance and high-capacity power transmission.
The extra-high voltage direct current transmission project has the characteristics of high voltage level, large tower structure size, large lead section, heavy load and the like, the tension string adopts a large-tonnage insulator, a single insulator exceeds 30 kilograms, and if the outer layer is coated with paint, the weight of the tension string is heavier. If the traditional method for the live working of the ultra-high voltage strain insulator-string is adopted, only one live working person works and is difficult to bear the high-intensity working content, the labor load of the working person is too large, the physical strength is reduced, the safety of the live working person is directly threatened, and the accuracy and the efficiency of the working work are also influenced, so that two persons and more persons are basically adopted for the joint working.
However, when two operators work together, the two operators are located at different positions of the tension string and are affected by high field intensity, so that potential difference occurs between the two live operators, and if the two operators work together, electric arcs and burning damage occur between the shielding clothes or between the shielding clothes and the tools, and the operation of the operators is affected by frightening, inattention and the like, so that the safety of the operators cannot be guaranteed. The shielding clothes can be damaged for a long time, and the life safety of live working personnel is seriously threatened.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an live working potential transfer device on special high voltage transmission tower strain insulator-string to when solving the operation of the last multiple personnel of special high voltage transmission tower strain insulator-string that exists among the prior art, the potential difference appears between the operation personnel, influences personnel's operation and life safety scheduling problem.
The application provides live working potential transfer device on special high voltage transmission tower strain insulator-string includes:
the shielding clothes rack comprises a shell, wherein a shielding clothes interface and an opening are arranged on the shell;
the rotating shaft is rotatably connected in the shell;
one side of the spring piece is connected to the rotating shaft and is wound on the rotating shaft in a rotating manner;
one end of the metal wire is connected to the spring plate, and the other end of the metal wire penetrates through the buckle of the shell and is connected with a metal hook;
the potential transfer devices are connected to the workers, the metal hooks on the potential transfer devices are connected to achieve potential transfer, and the two metal hooks are connected to achieve a conductive effect.
Preferably, the shell is formed by butting two metal shells, and the two metal shells are connected through a bolt.
Preferably, two ends of the rotating shaft are respectively and rotatably connected to the metal shells.
Preferably, the shielding clothes interface is detachably connected to the shielding clothes.
Preferably, the shielding clothes interface is a closed ring structure, and the shielding clothes interface is clamped or connected to the shielding clothes through a lead.
Preferably, the length of the metal wire is 1 meter or more.
Preferably, the metal hook is a spring hook;
the metal hook comprises a bent metal rod, a spring part and a right-angle rod, the spring part is sleeved on the right-angle rod, one end of the right-angle rod is hinged to one end of the bent metal rod, and the other end of the right-angle rod is clamped on the spring part at the other end of the bent metal rod.
Preferably, an insulating handle is sleeved at one end of the metal wire connected with the metal hook.
Preferably, the length of the insulated handle is greater than or equal to 5 cm.
Preferably, a sliding groove is formed in the shell close to the opening, a limiting button is arranged on the sliding groove in a sliding clamping mode, and the limiting button is pushed to extrude the metal wire so that the metal wire is fixed.
The application has the following beneficial effects:
the application provides an live working potential transfer device on special high voltage transmission tower strain insulator-string has advantages such as portable and easy-to-use, when two or more staff carry out the operation on special high voltage point tower strain insulator-string, prevents the circumstances such as shielding clothes arcing, scaling loss, guarantees live working personnel's safety.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic half-sectional view of a potential transfer device according to an embodiment of the present invention;
fig. 2 is a schematic view of a split structure of a potential transfer device according to an embodiment of the present invention;
fig. 3 and 4 are diagrams illustrating two working positions of two workers on a tension string according to an embodiment of the present invention.
The novel shielding clothes comprise a shell 1, a metal wire 2, a spring piece 3, a rotating shaft 4, a shielding clothes interface 5, a metal hook 6 and an insulating handle 7.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
As shown in fig. 3, two workers are on the same strain insulator-string and separated by 4 strain insulators, as shown in fig. 4, two workers are on different strain insulators and separated by one strain insulator-string. After the working personnel enter a working area, the potential difference between the two live working personnel can reach 115KV at most, and if the two live working personnel are in direct contact or in contact through a metal working tool, instantaneous discharge is inevitably caused, the normal work of the working personnel is seriously influenced, even a shielding clothes is damaged, and serious safety accidents are caused.
In order to solve the above problems, as shown in fig. 1 and fig. 2, the present application provides a potential transfer device (referred to as "potential transfer device") for live working on a tension string of an extra-high voltage transmission tower, including: the shielding device comprises a shell 1, wherein a shielding clothes interface 5 and an opening are arranged on the shell 1; the rotating shaft 4 is rotatably connected in the shell 1; a spring plate 3, one side of which is connected to the rotating shaft 4 and is rotatably wound on the rotating shaft 4; one end of the metal wire 2 is connected to the spring piece 3, and the other end of the metal wire passes through the buckle of the shell 1 and is connected with a metal hook 6; when the potential transfer devices are used, each worker is connected with one potential transfer device, and the metal hooks 6 on each potential transfer device are connected to realize potential transfer.
When two at least staff carry out the operation on extra-high voltage transmission tower, install the potential transfer device of this application on the shielding clothes that the staff body wore, make potential transfer device and shielding clothes be connected, can play electrically conductive effect, 6 interconnect of metal hook with the potential transfer device on two staff's own body, play electrically conductive effect, make two staff's electric potential keep unanimous on one's body, avoided appearing two staff's different potential differences that produce in position, thereby electric arc scheduling problem appears between the two has been solved.
In this embodiment, the housing 1 is formed by abutting two metal shells, and the two metal shells are connected by a bolt. It should be understood that one of the metal shells is provided with a threaded hole, and a suitable bolt or screw is inserted through the other metal shell and screwed into the threaded hole, so that the whole shell 1 is mounted.
In this embodiment, two ends of the rotating shaft 4 are respectively rotatably connected to the metal shells. Preferably, the rotating shaft 4 is arranged in the middle of the shell 1, so that a large space for accommodating the metal wire 2 and the spring piece 3 is ensured in the shell 1.
In this embodiment, the shielding clothes interface 5 is detachably connected to the shielding clothes. The shielding clothes interface 5 is a closed annular structure, and the shielding clothes interface 5 is clamped or connected to the shielding clothes through a lead. The shielding clothes interface 5 can be wound with a lead on the shielding clothes, or the lead passes through the shielding clothes interface 5, so that the potential transfer device is connected to the shielding clothes through the shielding clothes interface 5, and the two workers are connected through the potential transfer device, and the consistency of the potentials between the two workers is realized.
In this embodiment, the length of the metal wire 2 is greater than or equal to 1 meter, specifically, the length of the metal wire 2 may be 1.5 meters or 2 meters, so as to satisfy the distance between the two.
In this embodiment, the metal hook 6 is a spring hook; the metal hook 6 comprises a bent metal rod, a spring part and a right-angle rod, the spring part is sleeved on the right-angle rod, one end of the right-angle rod is hinged to one end of the bent metal rod, and the other end of the right-angle rod is clamped on the other end of the bent metal rod. When two different personnel on the body metal couple 6 connect together, through pressing one right angle pole on the metal couple 6 makes right angle pole extrusion the spring part for metal couple 6 has had the opening, and makes the spring part receive oppression storage energy, will another metal couple 6 is hung on having open-ended metal couple 6, makes two metal couple 6 link to each other, then releases the right angle pole, and the right angle pole is under the energy release of spring part, reverts to original position, and two metal couple 6's of matter connection has been avoided droing between the two.
In this embodiment, an insulating handle 7 is sleeved on one end of the metal wire 2 connected to the metal hook 6, and the length of the insulating handle 7 is greater than or equal to 5 cm. The hand-held device is convenient for operators to hold.
In this embodiment, casing 1 is last to be close to a spout has been seted up to the opening part, the card is equipped with a limit button on the spout, promotes limit button makes limit button extrudees metal wire 2 makes metal wire 2 is fixed. When the positions of two workers are unchanged, the metal wire 2 can be fixed and limited through the limiting button, and the problem that the metal wire 2 of the two potential transfer devices is pulled by the two workers under the action of the spring piece 3 is solved.
The application provides an live working potential transfer device on special high voltage transmission tower strain insulator-string has advantages such as portable and easy-to-use, when two or more staff carry out the operation on special high voltage point tower strain insulator-string, prevents the circumstances such as shielding clothes arcing, scaling loss, guarantees live working personnel's safety.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (10)
1. The utility model provides an live working potential transfer device on special high voltage transmission tower strain insulator-string which characterized in that includes:
the shielding clothes rack comprises a shell, wherein a shielding clothes interface and an opening are arranged on the shell;
the rotating shaft is rotatably connected in the shell;
one side of the spring piece is connected to the rotating shaft and is wound on the rotating shaft in a rotating manner;
one end of the metal wire is connected to the spring plate, and the other end of the metal wire penetrates through the buckle of the shell and is connected with a metal hook.
2. The live-line work potential transfer device on the tension string of the extra-high voltage transmission tower according to claim 1, wherein the shell is formed by butt joint of two metal shells, and the two metal shells are connected through a bolt.
3. The live-line work potential transfer device on the tension string of the extra-high voltage transmission tower as claimed in claim 2, wherein two ends of the rotating shaft are respectively rotatably connected to the metal shells.
4. The live-line work potential transfer device on the tension string of the extra-high voltage transmission tower according to claim 1, wherein the shielding clothes interface is detachably connected to the shielding clothes.
5. The live-line work potential transfer device on the tension string of the extra-high voltage transmission tower as claimed in claim 4, wherein the shielding clothes interface is a closed ring structure, and the shielding clothes interface is clamped or connected to the shielding clothes through a conducting wire.
6. The live-line work potential transfer device on the tension string of the extra-high voltage transmission tower according to claim 1, wherein the length of the metal wire is greater than or equal to 1 meter.
7. The live-line work potential transfer device on the tension string of the extra-high voltage transmission tower according to claim 1, wherein the metal hook is a spring hook;
the metal hook comprises a bent metal rod, a spring part and a right-angle rod, the spring part is sleeved on the right-angle rod, one end of the right-angle rod is hinged to one end of the bent metal rod, and the other end of the right-angle rod is clamped on the spring part at the other end of the bent metal rod.
8. The live-line work potential transfer device on the tension string of the extra-high voltage transmission tower according to claim 1, wherein an insulating handle is sleeved at one end of the metal wire connected with the metal hook.
9. The live-line work potential transfer device on the tension string of the extra-high voltage transmission tower according to claim 8, wherein the length of the insulating handle is greater than or equal to 5 cm.
10. The live-line work potential transfer device on the tension string of the extra-high voltage transmission tower according to claim 1, wherein a sliding groove is formed in the shell close to the opening, a limiting button is arranged on the sliding groove in a sliding and clamping mode, and the limiting button is pushed to extrude the metal wire so that the metal wire is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020161425.1U CN211790421U (en) | 2020-02-11 | 2020-02-11 | Live working potential transfer device on tension string of extra-high voltage transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020161425.1U CN211790421U (en) | 2020-02-11 | 2020-02-11 | Live working potential transfer device on tension string of extra-high voltage transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211790421U true CN211790421U (en) | 2020-10-27 |
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ID=72904326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020161425.1U Active CN211790421U (en) | 2020-02-11 | 2020-02-11 | Live working potential transfer device on tension string of extra-high voltage transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211790421U (en) |
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2020
- 2020-02-11 CN CN202020161425.1U patent/CN211790421U/en active Active
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