CN110611178A - Automatic cable grounding device and using method thereof - Google Patents
Automatic cable grounding device and using method thereof Download PDFInfo
- Publication number
- CN110611178A CN110611178A CN201810614881.4A CN201810614881A CN110611178A CN 110611178 A CN110611178 A CN 110611178A CN 201810614881 A CN201810614881 A CN 201810614881A CN 110611178 A CN110611178 A CN 110611178A
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- CN
- China
- Prior art keywords
- cable
- grounding
- drill
- rechargeable electric
- electric drill
- 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
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000006698 induction Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses an automatic cable grounding device and a using method thereof, and the automatic cable grounding device comprises a rechargeable electric drill, a cable fixing clamp, a fixing plate and an electroscope, wherein a drill bit is arranged at the bottom of the rechargeable electric drill, a sliding block is arranged on one side of the rechargeable electric drill, the electroscope is arranged on the other side of the rechargeable electric drill, a guide rail is arranged on one side of the fixing plate, the rechargeable electric drill is connected with the fixing plate in a sliding mode through the sliding block and the guide rail, the cable fixing clamp is arranged at the bottom of the fixing plate, a drilling hole located right below the drill bit is formed in the top of the cable fixing clamp, a bearing is. The automatic grounding device for the cable solves the problem that a human body cannot keep a specified safety distance with the cable and grounding equipment when the cable to be disconnected needs to be grounded in actual work, and personal safety is guaranteed.
Description
Technical Field
The invention relates to a grounding device, in particular to an automatic cable grounding device and a using method thereof, and belongs to the technical field of power equipment.
Background
When a cable line is in fault or other reasons need to be subjected to cable disconnection treatment, protective measures of power failure, electricity testing and grounding must be carried out on a cable to be disconnected in sequence. The traditional electricity testing and grounding method comprises the following steps: after the instrument is used to confirm that the cable has no voltage, the grounded iron drill rod with the insulating handle is nailed into the cable core, and a person holding the insulating handle should wear the insulating gloves and stand on the insulating pad, and take the measure of preventing burn. When the method is adopted, once the cable line is not powered off due to various reasons, a human body approaches to the electrified body, the specified safety distance cannot be ensured, and personal danger is easily caused.
Disclosure of Invention
The invention aims to overcome the defects that when a cable line is not powered off due to various reasons during electric power overhaul, a human body approaches an electrified body, a specified safety distance cannot be ensured, and personal danger is easily caused, and provides an automatic grounding device for cables and a using method thereof.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides an automatic grounding device for a cable and a using method thereof, and the automatic grounding device comprises a rechargeable electric drill, a cable fixing clamp, a fixing plate and an electroscope, wherein a drill bit is arranged at the bottom of the rechargeable electric drill, a sliding block is arranged at one side of the rechargeable electric drill, the electroscope is arranged at the other side of the rechargeable electric drill, a guide rail is arranged at one side of the fixing plate, the rechargeable electric drill is in sliding connection with the fixing plate through the sliding block and the guide rail, the cable fixing clamp is arranged at the bottom of the fixing plate, a drilling hole located right below the drill bit is arranged at the top of the cable fixing clamp, a bearing is arranged on the drill bit, the excircle of the bearing.
According to a preferable technical scheme, an infrared signal receiver is arranged inside the rechargeable electric drill, and the rechargeable electric drill is in signal connection with a remote controller through the infrared signal receiver.
As a preferable technical scheme of the invention, a balancing weight is installed at the top of the rechargeable electric drill.
As a preferable technical scheme of the invention, one side of the fixing plate is provided with a vertical downward scale marking.
As a preferred technical scheme of the invention, the electroscope is an acousto-optic electroscope.
As a preferable technical scheme of the invention, the drill bit and the bearing are both made of metal materials.
As a preferable technical solution of the present invention, the ground wire is a soft copper wire.
As a preferred technical scheme of the invention, the grounding step is as follows:
the method comprises the following steps: testing the cable line by using a voltage induction instrument through an indirect method to confirm that the cable line has no voltage;
step two: nailing the grounding drill 9 into the ground or other grounding parts meeting the requirements;
step three: the device is fixed on a cable to be grounded through a cable fixing clamp 2;
step four: after an operator and other people keep a specified safety distance from an operation point, a remote controller switch is pressed, the device starts to work, and after the nailing depth is judged to meet the requirement through the scale marking line, the device is closed through the remote controller;
step five: at this time, if the electroscope 4 does not generate an alarm, it can be determined that the cable line is really free of voltage, and the worker can start working.
The invention has the following beneficial effects: an operator controls the switch of the device through the remote controller, so that the human body is far away from the equipment which is possibly electrified, the required safety distance is met, the operation safety is improved, and the personal safety is ensured; the cable meets different types and wire diameters; the requirement of the grounding resistance is met, and the grounding resistor has the function of electricity testing; the rechargeable electric drill is adopted to replace the traditional combination of an iron drill and a big hammer, so that the operation is simplified and safe; the cable line is indirectly tested through the voltage induction instrument, and the cable line is directly tested through the acousto-optic electroscope, so that the reliability of testing electricity is improved, and the safety of operation is improved; the comprehensive cost is low, in the traditional method, the insulating hammer needs to repeatedly beat the insulating handle of the iron drill, the insulating layers of the insulating hammer and the insulating handle of the iron drill are damaged easily, tools are damaged and scrapped, the insulating material has the characteristic of easy aging, and the insulating material needs to be replaced regularly even if the use frequency is low. The device has low requirement on the insulation degree because the operator is far away from the working place, and can be repeatedly used to reduce the cost.
In conclusion, the automatic grounding device for the cable solves the problem that a human body cannot keep a specified safety distance with the cable and grounding equipment when the cable to be disconnected needs to be grounded in actual work, and ensures personal safety.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
figure 2 is a cross-sectional view of the power drill of the present invention;
in the figure: 1. a rechargeable electric drill; 2. a cable retaining clip; 3. a fixing plate; 4. an electroscope; 5. a counterweight; 6. a drill bit; 7. a bearing; 8. a ground line; 9. and (7) a grounding conductor.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-2, the invention provides an automatic cable grounding device and a use method thereof, the automatic cable grounding device comprises a rechargeable electric drill 1, a cable fixing clamp 2, a fixing plate 3 and an electroscope 4, a drill bit 6 is arranged at the bottom of the rechargeable electric drill 1, a sliding block is arranged on one side of the rechargeable electric drill 1, the electroscope 4 is arranged on the other side of the rechargeable electric drill 1, a guide rail is arranged on one side of the fixing plate 3, the rechargeable electric drill 1 is connected with the fixing plate 3 in a sliding mode through the sliding block and the guide rail, the cable fixing clamp 2 is arranged at the bottom of the fixing plate 3, a drill hole located right below the drill bit 6 is arranged at the top of the cable fixing clamp 2, a bearing 7 is arranged on the drill bit.
The rechargeable electric drill 1 is internally provided with an infrared signal receiver, and the rechargeable electric drill 1 is in signal connection with a remote controller through the infrared signal receiver. The top of rechargeable electric drill 1 is installed balancing weight 5. One side of the fixed plate 3 is provided with a vertical downward scale marking. The electroscope 4 is an acousto-optic electroscope. The drill bit 6 and the bearing 7 are made of a metal material. The ground line 8 is a soft copper wire.
Specifically, the wiring steps are as follows:
the method comprises the following steps: testing the cable line by using a voltage induction instrument through an indirect method to confirm that the cable line has no voltage;
step two: nailing the grounding drill 9 into the ground or other grounding parts meeting the requirements;
step three: the device is fixed on a cable to be grounded through a cable fixing clamp 2;
step four: after an operator and other people keep a specified safety distance from an operation point, a remote controller switch is pressed, the device starts to work, the rechargeable electric drill 1 drives the drill bit 6, meanwhile, the rechargeable electric drill 1 is pressed down under the action of self gravity and the counterweight 5, the drill bit 6 is driven into a cable, after judging that the driving depth meets the requirement through the scale mark line on the fixing plate 3, the device is closed through the remote controller, and at the moment, the cable is electrically connected with the electroscope 4 and the grounding drill 9 through the drill bit 6, the bearing 7 and the grounding wire 8;
step five: at this time, if the electroscope 4 does not generate an alarm, it can be determined that the cable line is really free of voltage, and the worker can start working.
The invention has the following beneficial effects: an operator controls the switch of the device through the remote controller, so that the human body is far away from the equipment which is possibly electrified, the required safety distance is met, the operation safety is improved, and the personal safety is ensured; the cable meets different types and wire diameters; the requirement of the grounding resistance is met, and the grounding resistor has the function of electricity testing; the rechargeable electric drill is adopted to replace the traditional combination of an iron drill and a big hammer, so that the operation is simplified and safe; the cable line is indirectly tested through the voltage induction instrument, and the cable line is directly tested through the acousto-optic electroscope, so that the reliability of testing electricity is improved, and the safety of operation is improved; the comprehensive cost is low, in the traditional method, the insulating hammer needs to repeatedly beat the insulating handle of the iron drill, the insulating layers of the insulating hammer and the insulating handle of the iron drill are damaged easily, tools are damaged and scrapped, the insulating material has the characteristic of easy aging, and the insulating material needs to be replaced regularly even if the use frequency is low. The device has low requirement on the insulation degree because the operator is far away from the working place, and can be repeatedly used to reduce the cost.
In conclusion, the automatic grounding device for the cable solves the problem that a human body cannot keep a specified safety distance with the cable and grounding equipment when the cable to be disconnected needs to be grounded in actual work, and ensures personal safety.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An automatic cable grounding device comprises a rechargeable electric drill (1), a cable fixing clamp (2), a fixing plate (3) and an electroscope (4), it is characterized in that a drill bit (6) is arranged at the bottom of the rechargeable electric drill (1), one side of the rechargeable electric drill (1) is provided with a sliding block, the other side is provided with an electroscope (4), one side of the fixed plate (3) is provided with a guide rail, the rechargeable electric drill (1) is connected with the fixed plate (3) in a sliding way through a sliding block and the guide rail, the bottom of the fixed plate (3) is provided with a cable fixing clamp (2), the top of the cable fixing clamp (2) is provided with a drill hole positioned right below the drill bit (6), a bearing (7) is arranged on the drill bit (6), the excircle of the bearing (7) is connected with a grounding wire (8), and the grounding wire (8) is electrically connected with the electroscope (4) and the grounding drill (9) respectively.
2. The automatic grounding device for the cable according to claim 1, wherein an infrared signal receiver is arranged inside the rechargeable electric drill (1), and the rechargeable electric drill (1) is in signal connection with a remote controller through the infrared signal receiver.
3. An automatic cable grounding device as claimed in claim 2, wherein a counterweight (5) is mounted on the top of the rechargeable electric drill (1).
4. An automatic cable earthing device according to claim 3, characterized in that one side of the fixing plate (3) is provided with a vertical downward scale marking.
5. An automatic cable earthing device according to claim 4, characterized in that said electroscope (4) is an acousto-optic electroscope.
6. An automatic cable earthing device according to claim 5, characterized in that, the drill bit (6) and the bearing (7) are made of metal material.
7. An automatic cable earthing device according to claim 6, characterized in that, the earthing wire (8) is a soft copper wire.
8. The use method of the automatic cable grounding device according to claim 1, characterized in that the grounding step is:
the method comprises the following steps: testing the cable line by using a voltage induction instrument through an indirect method to confirm that the cable line has no voltage;
step two: nailing the grounding drill rod (9) into the ground or other grounding parts meeting the requirements;
step three: the device is fixed on a cable to be grounded through a cable fixing clamp (2);
step four: after an operator and other people keep a specified safety distance from an operation point, a remote controller switch is pressed, the device starts to work, and after the nailing depth is judged to meet the requirement through the scale marking line, the device is closed through the remote controller;
step five: at the moment, if the electroscope (4) does not generate an alarm, the cable line can be judged to be powered on, and a worker can start working.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810614881.4A CN110611178A (en) | 2018-06-14 | 2018-06-14 | Automatic cable grounding device and using method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810614881.4A CN110611178A (en) | 2018-06-14 | 2018-06-14 | Automatic cable grounding device and using method thereof |
Publications (1)
Publication Number | Publication Date |
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CN110611178A true CN110611178A (en) | 2019-12-24 |
Family
ID=68887599
Family Applications (1)
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CN201810614881.4A Pending CN110611178A (en) | 2018-06-14 | 2018-06-14 | Automatic cable grounding device and using method thereof |
Country Status (1)
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0972938A (en) * | 1995-09-01 | 1997-03-18 | Kawasoo Tekuseru Kk | Grounding-cable discriminating method and automatic grounding apparatus using the method |
CN202142651U (en) * | 2011-06-28 | 2012-02-08 | 上海梅山钢铁股份有限公司 | Safe grounding device of power cable |
CN104701782A (en) * | 2015-02-12 | 2015-06-10 | 浙江大有实业有限公司电缆工程分公司 | High-voltage cable puncturing device and puncturing method |
CN204720589U (en) * | 2015-06-11 | 2015-10-21 | 广西地凯科技有限公司 | A kind of earthed device of automatic puncturing insulating cement cable |
CN205594059U (en) * | 2016-05-10 | 2016-09-21 | 淄博齐林电力工程有限公司开发区分公司 | Power cable voltage detection device |
CN206223850U (en) * | 2016-11-10 | 2017-06-06 | 国网浙江省电力公司绍兴供电公司 | A kind of rush-harvesting and rush-planting cable puncture device |
CN208674399U (en) * | 2018-06-14 | 2019-03-29 | 国网辽宁省电力有限公司营口供电公司 | A kind of cable automatic earthing device |
-
2018
- 2018-06-14 CN CN201810614881.4A patent/CN110611178A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0972938A (en) * | 1995-09-01 | 1997-03-18 | Kawasoo Tekuseru Kk | Grounding-cable discriminating method and automatic grounding apparatus using the method |
CN202142651U (en) * | 2011-06-28 | 2012-02-08 | 上海梅山钢铁股份有限公司 | Safe grounding device of power cable |
CN104701782A (en) * | 2015-02-12 | 2015-06-10 | 浙江大有实业有限公司电缆工程分公司 | High-voltage cable puncturing device and puncturing method |
CN204720589U (en) * | 2015-06-11 | 2015-10-21 | 广西地凯科技有限公司 | A kind of earthed device of automatic puncturing insulating cement cable |
CN205594059U (en) * | 2016-05-10 | 2016-09-21 | 淄博齐林电力工程有限公司开发区分公司 | Power cable voltage detection device |
CN206223850U (en) * | 2016-11-10 | 2017-06-06 | 国网浙江省电力公司绍兴供电公司 | A kind of rush-harvesting and rush-planting cable puncture device |
CN208674399U (en) * | 2018-06-14 | 2019-03-29 | 国网辽宁省电力有限公司营口供电公司 | A kind of cable automatic earthing device |
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