CN115149451A - Special insulating operating rod for live working of lightning arrester and working method thereof - Google Patents
Special insulating operating rod for live working of lightning arrester and working method thereof Download PDFInfo
- Publication number
- CN115149451A CN115149451A CN202111533263.5A CN202111533263A CN115149451A CN 115149451 A CN115149451 A CN 115149451A CN 202111533263 A CN202111533263 A CN 202111533263A CN 115149451 A CN115149451 A CN 115149451A
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- ratchet wheel
- outer shell
- groove
- inner hexagonal
- toggle switch
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims description 17
- 238000009434 installation Methods 0.000 abstract description 13
- 239000012212 insulator Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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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
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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- Insulators (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention relates to an insulating operating rod special for live working of a lightning arrester and a working method thereof, and is characterized in that: the special insulating operating rod for live working of the arrester comprises a ratchet wheel assembly, an inner hexagonal sleeve and a shifting lever, wherein the inner hexagonal sleeve and the shifting lever are fixedly connected to the outer shell of the ratchet wheel assembly; the invention realizes the live-line installation of post-type equipment such as a lightning arrester, an insulator and the like; and a special electrode sleeve is configured, so that the equipment with the ball head electrode is installed in an electrified way.
Description
The technical field is as follows:
the invention relates to an insulating operating rod special for live working of a lightning arrester and a working method thereof.
Background art:
the installation of the line arrester applied to the current market needs to be carried out in a power failure mode or can be carried out in a live mode after an electrified steep arm vehicle is used for carrying out insulation shielding, but the installation by utilizing a live working vehicle is limited by a site and is difficult to carry out on a large scale, and the power supply reliability can be influenced when the power failure is arranged; the insulating operating rod is used for live working, requirements on technical personnel are low, safety is high, but the traditional insulating operating rod can only process simple operations such as disconnecting link breaking, grounding wire hanging, measurement test and the like, and operations such as bolt fastening, equipment rotating and the like cannot be completed.
Disclosure of Invention
The invention aims to provide an insulating operating rod special for live working of an arrester and a working method thereof.
The invention relates to an insulating operating rod special for live working of a lightning arrester, which is characterized in that: comprises a ratchet wheel component, an inner hexagonal sleeve and a shifting lever which are fixedly connected on the outer shell of the ratchet wheel component, the lower part of the ratchet wheel component is connected with a connecting rod which drives the ratchet wheel component to act,
the inner hexagonal sleeve comprises a cylindrical pipe body and a pair of open grooves formed in the upper portion of the cylindrical pipe body, each open groove comprises a vertical groove and an inflection groove formed in the bottom of the vertical groove, and the lower portion of the cylindrical pipe body is fixed to the outer shell of the ratchet wheel assembly;
the outer shell of the ratchet wheel component is internally provided with an accommodating cavity, the accommodating cavity is rotatably hinged with a driving rotating shaft and a ratchet wheel fixed on the driving rotating shaft, the lower end part of the driving rotating shaft extends out of the outer shell and is detachably connected with the connecting rod,
the holding intracavity still is equipped with the local toggle switch who exposes the shell body, toggle switch's upper and lower fixed surface is equipped with the lug pin, has the spacing groove of location lug pin in the shell body, and this spacing groove has two spacing trench to make toggle switch moved when receiving external force in two spacing trench, toggle switch's lateral part is equipped with the ratchet with ratchet interact.
Furthermore, the shifting lever comprises a vertical rod and a cross rod, wherein the vertical rod is vertically fixed at the outer end part of the upper surface of the outer shell, and the end part of the cross rod is fixed at the upper end part of the vertical rod.
Furthermore, an electrode sleeve is arranged on the inner hexagonal sleeve and comprises a cylinder body with an inner hexagonal hole groove and a fixing shaft fixed on the lower surface of the cylinder body, a pair of pins are transversely arranged on the fixing shaft, a spring is arranged at the bottom of the fixing shaft, and the pins are limited in the groove.
Further, be provided with parallel groove clamp on the above-mentioned hexagon socket head cap, parallel groove clamp's sub-unit connection has the optical axis, it has a pair of pin to violently cross on the optical axis, and the pin is spacing in the fluting, and the bottom of optical axis has the spring.
Furthermore, the lower part of the parallel groove clamp is provided with a through hole, an optical axis penetrates through the through hole, and a knob for locking the optical axis is arranged on the parallel groove clamp.
The invention relates to a working method of an insulating operating rod special for live working of a lightning arrester, which is characterized in that: the special insulating operating rod for live working of the lightning arrester comprises a ratchet wheel assembly, an inner hexagonal sleeve and a shifting lever, wherein the inner hexagonal sleeve and the shifting lever are fixedly connected to the outer shell of the ratchet wheel assembly, the lower part of the ratchet wheel assembly is connected with a connecting rod for driving the ratchet wheel assembly to act,
the inner hexagonal sleeve comprises a cylindrical pipe body and a pair of open grooves formed in the upper portion of the cylindrical pipe body, each open groove comprises a vertical groove and an inflection groove formed in the bottom of the vertical groove, and the lower portion of the cylindrical pipe body is fixed to the outer shell of the ratchet wheel assembly;
the outer shell of the ratchet wheel component is internally provided with an accommodating cavity, the accommodating cavity is rotationally hinged with a driving rotating shaft and a ratchet wheel fixed on the driving rotating shaft, the lower end part of the driving rotating shaft extends out of the outer shell and is detachably connected with the connecting rod,
the accommodating cavity is also internally provided with a toggle switch partially exposed out of the outer shell, the upper surface and the lower surface of the toggle switch are fixedly provided with convex pins, the outer shell is internally provided with a limiting groove for positioning the convex pins, the limiting groove is provided with two limiting groove positions so that the toggle switch is shifted when external force is applied to the two limiting groove positions, the side part of the toggle switch is provided with ratchets interacting with the ratchet wheel, and an overhead spring is arranged between the toggle switch and the outer shell;
when the line arrester is installed, a supporting plate on the line arrester needs to be firstly turned by 90 degrees, then the bolt is screwed, in order to realize the actions, during work, a toggle switch is turned to a station, so that a poking piece can be connected with an outer shell and a connecting rod into a whole, the driving force is provided, an operator holds the connecting rod, firstly, an inner hexagonal sleeve is sleeved into the bolt, and when the connecting rod is driven to rotate, the outer shell and the poking piece can drive the supporting plate to rotate by 90 degrees, and meanwhile, the bolt can be screwed in the bolt screwing direction by a certain angle; then the inner hexagonal sleeve is pulled out of the bolt, the connecting rod rotates in the opposite direction for an angle, then the inner hexagonal sleeve is inserted into the bolt to be screwed, and the operation is repeated for a plurality of times, so that the bolt can be screwed down; the toggle switch is turned by loosening the bolt, and the operation is repeated for a plurality of times in the opposite direction.
The invention relates to a special insulating operating rod for live working of a lightning arrester and a working method thereof, which have the following specific beneficial effects: (1) The length of the connecting rod or the connecting rod connected with the connecting rod is 2-20 meters, so that the safety distance of an operator to a 10kV line can be ensured; (2) The joint formed by the ratchet wheel assembly is configured, so that bolt fastening can be completed under the condition of no power failure, and the live installation of post-type equipment such as a lightning arrester, an insulator and the like is realized; (3) A special electrode sleeve is configured to realize the live installation of the equipment with the ball head electrode; (4) The invention is mainly used for the live installation of the line arrester, but the conversion joint (an electrode sleeve, a parallel groove clamp and the like) can also process the live installation of equipment such as insulators, hardware fittings, wires and the like.
Description of the drawings:
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a second embodiment of the present invention;
FIG. 3 is a perspective view of the first embodiment of the present invention;
FIG. 4 is a schematic perspective view of a third embodiment of the present invention;
FIG. 5 is a schematic view of the partial configuration of FIG. 4;
fig. 6 and 7 are sectional construction diagrams of the ratchet assembly in two working states.
The specific implementation mode is as follows:
in order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
The special insulating operating rod for live working of the arrester comprises a ratchet wheel component 1, an inner hexagonal sleeve 2 and a shifting rod 3, wherein the inner hexagonal sleeve 2 and the shifting rod 3 are fixedly connected to the outer shell of the ratchet wheel component 1, the lower part of the ratchet wheel component is connected with a connecting rod 4 for driving the ratchet wheel component to act, the inner hexagonal sleeve 2 is a cylinder body with an inner hexagonal counter bore, namely a sleeve used for screwing the existing nut,
the hexagon socket head cap sleeve includes cylindrical body and establishes a pair of fluting 5 on cylindrical body upper portion, the fluting includes vertical groove 501 and establishes the inflection groove 502 in vertical tank bottom portion, the lower part of cylindrical body is fixed on ratchet assembly's shell body 101, and the inflection groove 502 symmetry setting of two fluting 5 to make the pin rotatory certain angle can be spacing in inflection groove 502 after optical axis or fixed axis block income hexagon socket head cap counter bore.
The outer shell of the ratchet wheel component is internally provided with an accommodating cavity 102, the accommodating cavity is rotatably hinged with a driving rotating shaft 103 and a ratchet wheel 104 fixed on the driving rotating shaft, the lower end part of the driving rotating shaft extends out of the outer shell and is detachably connected with the connecting rod 6,
the accommodating cavity 102 is also internally provided with a toggle switch 7 with a part exposed out of the shell body, the upper surface and the lower surface of the toggle switch are fixedly provided with convex pins 701, the shell body is internally provided with a limiting groove for positioning the convex pins, the limiting groove is provided with two limiting groove positions so that the toggle switch is shifted when being subjected to external force in the two limiting groove positions, the side part of the toggle switch is provided with ratchets 8 interacting with the ratchet wheel, and an overhead spring can be arranged or not arranged between the toggle switch and the shell body.
The above-mentioned spacing groove has two spacing groove positions, which means that the spacing groove has two stations (as shown in fig. 6 and 7), one station makes the ratchet wheel cooperate with the ratchet wheel, so that the ratchet wheel component has driving force only in the first direction, and no driving force is provided in the opposite direction, and the other station makes the ratchet wheel cooperate with the ratchet wheel, so that the ratchet wheel component has driving force only in the opposite direction, and no driving force is provided in the first direction.
The ratchet assembly can be purchased and modified from the market, for example, sharp-tail ratchet wrenches can be purchased from silver dragon island hardware flagship shops and deston hardware flagship shops in Taobao, tail parts are cut by the purchased sharp-tail ratchet wrenches, only the parts with ratchet teeth on the head parts are reserved, and the reserved parts are the ratchet assembly.
Further, in order to realize the shifting of the support plate 14, the above-mentioned shifting lever 3 includes a vertical rod 301 fixed vertically at the outer end of the upper surface of the outer housing and a horizontal rod 302 fixed at the upper end of the vertical rod, and the horizontal rod of the shifting lever shifts the support plate 14 to rotate when the driving shaft, the outer housing and the shifting lever rotate together.
According to another use scenario, the electrode sleeve 9 is arranged on the inner hexagonal sleeve 2, the electrode sleeve comprises a cylinder body with an inner hexagonal hole groove and a fixing shaft fixed on the lower surface of the cylinder body, a pair of pins 10 are transversely arranged on the fixing shaft, a spring 11 is arranged at the bottom of the fixing shaft, the pins are limited in the groove, the electrode sleeve 9 and the inner hexagonal sleeve 2 can be fixed relatively through the fixing shaft and the pins, and accordingly live installation of the ball head electrode equipment is achieved.
According to another use scenario, the inner hexagonal sleeve is provided with a parallel groove clamp 12, the lower portion of the parallel groove clamp is connected with an optical axis 16, a pair of pins 10 transversely penetrate through the optical axis, the pins are limited in the grooves, a spring 11 is arranged at the bottom of the optical axis, the parallel groove clamp 12 and the inner hexagonal sleeve 2 can be fixed relatively through the optical axis and the pins, and therefore the requirement for live installation of insulators, hardware fittings, wires and other devices is met.
For reasonable design, the lower part of the parallel groove clamp is provided with a through hole, an optical axis 12 is arranged in the through hole in a penetrating mode, and a knob 13 for locking the optical axis is arranged on the parallel groove clamp.
The invention relates to a working method of an insulating operating rod special for live working of a lightning arrester, which is characterized in that: the special insulating operating rod for live working of the lightning arrester comprises a ratchet wheel assembly, an inner hexagonal sleeve and a shifting lever, wherein the inner hexagonal sleeve and the shifting lever are fixedly connected to the outer shell of the ratchet wheel assembly, the lower part of the ratchet wheel assembly is connected with a connecting rod for driving the ratchet wheel assembly to act,
the inner hexagonal sleeve comprises a cylindrical pipe body and a pair of open grooves formed in the upper portion of the cylindrical pipe body, each open groove comprises a vertical groove and an inflection groove formed in the bottom of the vertical groove, and the lower portion of the cylindrical pipe body is fixed to the outer shell of the ratchet wheel assembly;
the outer shell of the ratchet wheel component is internally provided with an accommodating cavity, the accommodating cavity is rotatably hinged with a driving rotating shaft and a ratchet wheel fixed on the driving rotating shaft, the lower end part of the driving rotating shaft extends out of the outer shell and is detachably connected with the connecting rod,
the accommodating cavity is also internally provided with a toggle switch partially exposed out of the outer shell, the upper surface and the lower surface of the toggle switch are fixedly provided with convex pins, the outer shell is internally provided with a limiting groove for positioning the convex pins, the limiting groove is provided with two limiting groove positions so that the toggle switch is shifted when being subjected to external force in the two limiting groove positions, the side part of the toggle switch is provided with ratchets which interact with a ratchet wheel, and an overhead spring is arranged between the toggle switch and the outer shell;
when the line arrester is installed, a supporting plate on the line arrester needs to be firstly turned by 90 degrees, then the bolt 15 needs to be screwed, in order to realize the actions, during work, the toggle switch is turned to a station, so that the poking piece can be connected with the outer shell and the connecting rod into a whole, the driving force is provided, an operator holds the connecting rod, firstly, the inner hexagonal sleeve is sleeved into the bolt, and when the driving rotation is carried out, the outer shell and the poking piece can drive the supporting plate to rotate by 90 degrees, and meanwhile, the bolt can be screwed by a certain angle in the bolt screwing direction; then pulling out the inner hexagonal sleeve from the bolt, inserting the inner hexagonal sleeve into the bolt for screwing after the connecting rod rotates for an angle in the opposite direction, and repeating the operation for several times to realize bolt screwing; the toggle switch is turned by loosening the bolt, and the operation is repeated for a plurality of times in the opposite direction.
The invention relates to a special insulating operating rod for live working of a lightning arrester and a working method thereof, which have the following specific beneficial effects: (1) The length of the connecting rod or the connecting rod connected with the connecting rod is 2-20 meters, so that the safety distance of an operator to a 10kV line can be ensured; (2) The joint formed by the ratchet wheel assembly is configured, so that bolt fastening can be completed under the condition of no power failure, and the live installation of post-type equipment such as a lightning arrester, an insulator and the like is realized; (3) A special electrode sleeve is configured to realize the live installation of the equipment with the ball head electrode; (4) The invention is mainly used for the live installation of the line arrester, but the conversion joint (an electrode sleeve, a parallel groove clamp and the like) can also process the live installation of equipment such as insulators, hardware fittings, wires and the like.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (6)
1. The utility model provides a dedicated insulating bar of arrester live working which characterized in that: comprises a ratchet wheel component, an inner hexagonal sleeve and a shifting lever which are fixedly connected on the outer shell of the ratchet wheel component, the lower part of the ratchet wheel component is connected with a connecting rod which drives the ratchet wheel component to act,
the inner hexagonal sleeve comprises a cylindrical pipe body and a pair of open grooves formed in the upper portion of the cylindrical pipe body, each open groove comprises a vertical groove and an inflection groove formed in the bottom of the vertical groove, and the lower portion of the cylindrical pipe body is fixed to the outer shell of the ratchet wheel assembly;
the outer shell of the ratchet wheel component is internally provided with an accommodating cavity, the accommodating cavity is rotatably hinged with a driving rotating shaft and a ratchet wheel fixed on the driving rotating shaft, the lower end part of the driving rotating shaft extends out of the outer shell and is detachably connected with the connecting rod,
the holding intracavity still is equipped with the local toggle switch who exposes the shell body, toggle switch's upper and lower fixed surface is equipped with the lug pin, has the spacing groove of location lug pin in the shell body, and this spacing groove has two spacing trench to make toggle switch moved when receiving external force in two spacing trench, toggle switch's lateral part is equipped with the ratchet with ratchet interact.
2. The insulated operating rod special for live working of the arrester according to claim 1, wherein: the deflector rod comprises a vertical rod and a cross rod, wherein the vertical rod is vertically fixed at the outer end part of the upper surface of the outer shell, and the end part of the cross rod is fixed at the upper end part of the vertical rod.
3. The insulated operating rod special for live working of a lightning arrester according to claim 1 or 2, characterized in that: the electrode sleeve is arranged on the inner hexagonal sleeve and comprises a cylinder body with an inner hexagonal hole groove and a fixing shaft fixed on the lower surface of the cylinder body, a pair of pins are transversely arranged on the fixing shaft, a spring is arranged at the bottom of the fixing shaft, and the pins are limited in the groove.
4. The insulated operating rod special for live working of the arrester according to claim 1 or 2, characterized in that: the inner hexagonal sleeve is provided with a parallel groove clamp, the lower portion of the parallel groove clamp is connected with an optical axis, a pair of pins transversely penetrates through the optical axis, the pins are limited in the grooves, and a spring is arranged at the bottom of the optical axis.
5. The insulated operating rod special for live working of the arrester according to claim 4, wherein: the lower part of the parallel groove clamp is provided with a through hole, an optical axis penetrates through the through hole, and a knob for locking the optical axis is arranged on the parallel groove clamp.
6. A working method of an insulating operating rod special for live working of a lightning arrester is characterized by comprising the following steps: the special insulating operating rod for live working of the arrester comprises a ratchet wheel assembly, an inner hexagonal sleeve and a deflector rod, wherein the inner hexagonal sleeve and the deflector rod are fixedly connected to the outer shell of the ratchet wheel assembly, the lower part of the ratchet wheel assembly is connected with a connecting rod for driving the ratchet wheel assembly to act,
the inner hexagonal sleeve comprises a cylindrical pipe body and a pair of open grooves formed in the upper portion of the cylindrical pipe body, each open groove comprises a vertical groove and an inflection groove formed in the bottom of the vertical groove, and the lower portion of the cylindrical pipe body is fixed to the outer shell of the ratchet wheel assembly;
the outer shell of the ratchet wheel component is internally provided with an accommodating cavity, the accommodating cavity is rotatably hinged with a driving rotating shaft and a ratchet wheel fixed on the driving rotating shaft, the lower end part of the driving rotating shaft extends out of the outer shell and is detachably connected with the connecting rod,
the accommodating cavity is also internally provided with a toggle switch partially exposed out of the outer shell, the upper surface and the lower surface of the toggle switch are fixedly provided with convex pins, the outer shell is internally provided with a limiting groove for positioning the convex pins, the limiting groove is provided with two limiting groove positions so that the toggle switch is shifted when external force is applied to the two limiting groove positions, the side part of the toggle switch is provided with ratchets interacting with the ratchet wheel, and an overhead spring is arranged between the toggle switch and the outer shell;
when the line arrester is installed, a supporting plate on the line arrester needs to be firstly turned by 90 degrees, then the bolt is screwed, in order to realize the actions, during work, a toggle switch is turned to a station, so that a poking piece can be connected with an outer shell and a connecting rod into a whole, the driving force is provided, an operator holds the connecting rod, firstly, an inner hexagonal sleeve is sleeved into the bolt, and when the connecting rod is driven to rotate, the outer shell and the poking piece can drive the supporting plate to rotate by 90 degrees, and meanwhile, the bolt can be screwed in the bolt screwing direction by a certain angle; then the inner hexagonal sleeve is pulled out of the bolt, the connecting rod rotates in the opposite direction for an angle, then the inner hexagonal sleeve is inserted into the bolt to be screwed, and the operation is repeated for a plurality of times, so that the bolt can be screwed down; the toggle switch is turned when the bolt is loosened, and the operation is repeated for a plurality of times in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111533263.5A CN115149451B (en) | 2021-12-15 | 2021-12-15 | Special insulating operating rod for live working of lightning arrester and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111533263.5A CN115149451B (en) | 2021-12-15 | 2021-12-15 | Special insulating operating rod for live working of lightning arrester and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115149451A true CN115149451A (en) | 2022-10-04 |
| CN115149451B CN115149451B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111533263.5A Active CN115149451B (en) | 2021-12-15 | 2021-12-15 | Special insulating operating rod for live working of lightning arrester and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115149451B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388011Y (en) * | 1999-08-30 | 2000-07-19 | 利益得股份有限公司 | Ratchet wrench |
| CN102001070A (en) * | 2009-09-03 | 2011-04-06 | 胡厚飞 | Ratchet wrench |
| CN203843753U (en) * | 2014-04-23 | 2014-09-24 | 国家电网公司 | Unidirectional cranked-handle wrench for live removal of arrester stud bolts |
| JP2015042035A (en) * | 2013-08-20 | 2015-03-02 | 中国電力株式会社 | Arrester connector attachment/detachment tool |
| CN105313051A (en) * | 2014-08-04 | 2016-02-10 | 豪越股份有限公司 | Reversing device of ratchet wrench |
| CN205212294U (en) * | 2015-12-25 | 2016-05-04 | 国网浙江省电力公司培训中心 | Multi -functional insulating sleeve action bars |
| CN106911103A (en) * | 2017-03-27 | 2017-06-30 | 国网福建省电力有限公司 | A kind of livewire work bolt fastening and replacement operation instrument |
| CN207459549U (en) * | 2017-06-09 | 2018-06-05 | 国网山东省电力公司五莲县供电公司 | Earth potential live job mix instrument |
| CN208571440U (en) * | 2018-07-25 | 2019-03-01 | 云南电网有限责任公司带电作业分公司 | A kind of dedicated ratchet turning handle of plum blossom hair style insulating bar |
-
2021
- 2021-12-15 CN CN202111533263.5A patent/CN115149451B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388011Y (en) * | 1999-08-30 | 2000-07-19 | 利益得股份有限公司 | Ratchet wrench |
| CN102001070A (en) * | 2009-09-03 | 2011-04-06 | 胡厚飞 | Ratchet wrench |
| JP2015042035A (en) * | 2013-08-20 | 2015-03-02 | 中国電力株式会社 | Arrester connector attachment/detachment tool |
| CN203843753U (en) * | 2014-04-23 | 2014-09-24 | 国家电网公司 | Unidirectional cranked-handle wrench for live removal of arrester stud bolts |
| CN105313051A (en) * | 2014-08-04 | 2016-02-10 | 豪越股份有限公司 | Reversing device of ratchet wrench |
| CN205212294U (en) * | 2015-12-25 | 2016-05-04 | 国网浙江省电力公司培训中心 | Multi -functional insulating sleeve action bars |
| CN106911103A (en) * | 2017-03-27 | 2017-06-30 | 国网福建省电力有限公司 | A kind of livewire work bolt fastening and replacement operation instrument |
| CN207459549U (en) * | 2017-06-09 | 2018-06-05 | 国网山东省电力公司五莲县供电公司 | Earth potential live job mix instrument |
| CN208571440U (en) * | 2018-07-25 | 2019-03-01 | 云南电网有限责任公司带电作业分公司 | A kind of dedicated ratchet turning handle of plum blossom hair style insulating bar |
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| Publication number | Publication date |
|---|---|
| CN115149451B (en) | 2024-04-09 |
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