CN114122760A - Temporary grounding wire power connection clamp device and use method - Google Patents
Temporary grounding wire power connection clamp device and use method Download PDFInfo
- Publication number
- CN114122760A CN114122760A CN202111340321.2A CN202111340321A CN114122760A CN 114122760 A CN114122760 A CN 114122760A CN 202111340321 A CN202111340321 A CN 202111340321A CN 114122760 A CN114122760 A CN 114122760A
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- China
- Prior art keywords
- joint screw
- buckle
- butt
- grounding wire
- butt joint
- 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 7
- 210000001503 joint Anatomy 0.000 claims abstract description 43
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 19
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000001125 extrusion Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/027—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting conductors by clips
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
Abstract
The invention discloses a temporary grounding wire power connection clamp device and a use method thereof, wherein the grounding wire power connection clamp comprises a power connection clamp, a butt joint screw buckle and an insulating handle; the butt-joint screw thread comprises a butt-joint screw thread female thread and a butt-joint screw thread male thread; the power receiving clamp is arranged on the butt joint screw buckle female buckle, the butt joint screw buckle female buckle is in threaded connection with the butt joint screw buckle male buckle, and the butt joint screw buckle male buckle is connected with the insulating handle. The grounding wire connecting clamp disclosed by the invention can be used for rapidly installing the grounding wire in a narrow space when a generator and a transformer are overhauled.
Description
Technical Field
The invention relates to the field of safety tools in the power industry, in particular to a temporary grounding wire power connection clamp device and a using method thereof.
Background
The grounding wire is a safety barrier for protecting electric power overhaul personnel, can prevent the damage to the human body caused by sudden incoming calls, is an important electrical safety technical measure, and is used for ensuring safety when the grounding wire is used for overhauling a circuit or transformer equipment and preventing electrostatic induction electric shock or false switching-on generated by an adjacent charged body. When the grounding clamp is used, the equipment to be overhauled is powered off, the grounding clamp of the grounding wire is fastened on the grounding electrode, and then the power connection clamp is firmly and fixedly connected to the conductor of the overhauling equipment.
The existing grounding wire connection clamp mostly adopts a clamp hook type or an extrusion plate type connection clamp, equipment such as a bus and a transformer is overhauled mostly by adopting the extrusion plate type connection clamp, a rotating cavity is arranged in an extrusion plate, and the extrusion plate and an overhauling equipment conductor are clamped tightly through a threaded rod.
The voltage transformer at the outlet of the large-scale generator and the lightning arrester at the low-voltage side of the transformer adopt a box type closed shell, a cabinet door with a slide rail is arranged at the front end of the box body, a bracket connected with the cabinet door is arranged at the inner side of the cabinet door, the lightning arrester or the voltage transformer is arranged on the bracket, the cabinet door is pulled out or closed through a rail, the lightning arrester or the voltage transformer can be connected with and disconnected from a contact arranged on a leading-out conductor of electrical equipment through a grounding wire clip, when the generator or the transformer is overhauled, a grounding wire is required to be arranged on a bus at the outlet of the generator and the low-voltage side of the transformer for grounding, only the grounding wire grounding end is required to be arranged on the contact arranged on the leading-out conductor of corresponding overhauling equipment in the box body, but because the extrusion plate type grounding clip is adopted, when an operator installs the grounding wire, part of the body and arms are required to enter the box body, the mounting clip can be realized due to the narrow operation space, the copper grounding wire connected with the power connection clamp is heavy in weight, labor-consuming and time-consuming in the installation process, and has certain requirements on body shapes and strength of personnel.
Disclosure of Invention
The invention aims to provide a temporary grounding wire power connection clamp device which can be used for rapidly installing a grounding wire in a narrow space when a generator and a transformer are overhauled.
In order to achieve the above object, the present invention provides the following technical solutions.
A temporary grounding wire power connection clamp device comprises a power connection clamp, a butt connection screw fastener and an insulation handle; the butt-joint screw thread comprises a butt-joint screw thread female thread and a butt-joint screw thread male thread;
the power receiving clamp is arranged on the butt joint screw buckle female buckle, the butt joint screw buckle female buckle is in threaded connection with the butt joint screw buckle male buckle, and the butt joint screw buckle male buckle is connected with the insulating handle.
As a further improvement of the invention, the power connection clamp is made of an isolation disconnecting link static contact and is provided with a clamping opening for clamping the flat hard conductor; the electric clip is provided with a threaded hole for connecting with the butt-joint screw buckle female buckle.
As a further improvement of the invention, a plurality of round holes are arranged on the static contact of the isolation switch.
As a further improvement of the invention, a bolt of the butt-joint screw buckle female buckle is screwed into a threaded hole of the power connection clamp, a copper wire nostril is sleeved on the bolt and connected with a conductor end of a copper soft strand of the grounding wire, and the copper wire nostril is fastened through a nut.
As a further improvement of the invention, the butt-joint screw fastener is sleeved at one end of the insulating handle and fixed by a rivet.
As a further improvement of the invention, the insulated handle comprises an insulated rod and an insulated grip; one end of the insulating rod is connected with the insulating handle, and the other end of the insulating rod is connected with the butt joint screw fastener.
As a further improvement of the invention, the insulating rod is made of a long saturated epoxy resin glass fiber reinforced plastic insulating rod, one end of the insulating rod is sleeved with a PVC insulating grip, and the other end of the insulating rod is riveted with a butt joint screw fastener.
A use method of a temporary grounding wire power connection clamp device comprises the following steps:
connecting and screwing the butt-joint screw buckle female buckle with the power connection clamp;
connecting the insulating handle with the power connection clamp through a butt joint screw buckle female buckle and a butt joint screw buckle male buckle;
sleeving the copper wire nostrils at the conductor end of the copper soft strand of the grounding wire into the butt-joint screw fastener and fastening the copper wire nostrils by using nuts;
when the electric connector is used, the grounding end of the grounding wire is firstly connected, then the insulating handle is held by hand, and the electric connector clamp opening is inserted into the leading-out conductor of the maintenance equipment through the insulating handle.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to a temporary grounding wire power connection clamp device, which comprises a power connection clamp, a butt joint screw buckle and an insulating handle; the butt-joint screw thread comprises a butt-joint screw thread female thread and a butt-joint screw thread male thread; simple structure, easy operation, reliability. And the installation personnel restriction conditions are small for the installation site. Light weight and convenient carrying. The electric clip is connected with the insulating handle through a butt joint screw fastener. The power connection clamp adopts a clamping opening type and a plug-in mounting mode. The temporary grounding wire installation device is simple in structure, simple and convenient to assemble and operate, safe and reliable to use, and capable of meeting the task of installing the temporary grounding wire in a narrow space.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. In the drawings:
FIG. 1 is a schematic view of a grounding wire clip according to the present invention;
FIG. 2 is a three-view diagram of the combination of the grounding wire clip and the butt-joint screw button, (a) is a right-side view, (b) is a front view, and (c) is a top view;
wherein: 1. connecting an electric clip; 2. butt-joint screw buckle female buckles; 3. butting the screw buckles; 4. riveting; 5. an insulating rod; 6. an insulated handle.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the temporary grounding wire electric connection clamp device of the present invention includes an electric connection clamp 1, a butt connection screw fastener, and an insulation handle; the screw thread comprises a butt joint screw thread female buckle 2 and a butt joint screw thread male buckle 3, and the insulating handle comprises an insulating rod 5 and an insulating handle 6.
The power receiving clamp 1 is arranged on the butt joint screw buckle female buckle 2, the butt joint screw buckle female buckle 2 is in threaded connection with the butt joint screw buckle male buckle 3, and the butt joint screw buckle male buckle 3 is connected with the insulating handle.
The bolt 21 screw in of butt joint screw thread box 2 connects in the screw hole of electricity clamp 1, the cover is equipped with copper line nostril on the bolt 21, and copper line nostril is connected with earth connection copper strand conductor end, and the copper line nostril passes through the nut fastening. The butt joint screw fastener 3 is sleeved into one end of the insulating handle and fixed by a rivet.
The insulating handle comprises an insulating rod 5 and an insulating grip 6; one end of an insulating rod 5 is connected with an insulating handle 6, and the other end of the insulating rod 5 is connected with a butt joint screw fastener 3.
The insulating rod 5 is made of a long saturated epoxy resin glass fiber reinforced plastic insulating rod, one end of the insulating rod is sleeved with a PVC insulating grip 6, and the other end of the insulating rod is riveted with a butt joint screw fastener 3.
As shown in fig. 2, as a preferred embodiment, the power connection clip 1 is made of an isolation switch stationary contact, and the power connection clip 1 has a clamping mouth for clamping a flat type hard conductor; the electric clamp 1 is provided with a threaded hole for connecting with the butt-joint screw thread female buckle 2.
And a plurality of round holes 11 are formed in the static contact of the isolation switch.
In a specific embodiment, the power connection clamp 1 is made of an isolation disconnecting link static contact with a rated current of 600A, the width of a clamping opening of the power connection clamp 1 is 3mm, a flat hard conductor with the thickness of 4 mm-6 mm can be clamped, and a threaded hole is formed in the flat hard conductor.
In the device, the electric clamp 1, the butt joint screw fastener and the insulating handle are connected, namely, the electric clamp device is combined into a temporary grounding wire.
The electric clamp 1 is provided with a threaded hole with the same diameter as the bolt on the butt-joint screw thread female buckle 2, and after the bolt of the butt-joint screw thread female buckle 2 is screwed into the threaded hole of the electric clamp 1 to be fastened, the bolt can sleeve the copper wire nostril at the conductor end of the copper soft strand of the grounding wire into the butt-joint screw thread female buckle bolt and fasten the copper wire nostril by a nut.
One end of the insulating rod 5 is tightly sleeved on the insulating handle 6, and the other end is riveted with the butt joint screw fastener 3 by the rivet 4 to form the insulating handle.
And the butt joint screw buckle male buckle 3 on the insulating handle, the butt joint screw buckle female buckle 2 and the power connection clamp are combined to complete the assembly, namely the temporary grounding wire power connection clamp device.
A bolt is welded at the top of the butt joint screw thread female buckle 2 and is matched with a threaded hole of the power connection clamp 1; the butt joint screw fastener 3 is sleeved into one end of the insulating handle and fixed by a rivet.
The insulating handle is made of a 50cm long saturated epoxy resin glass fiber reinforced plastic insulating rod, one end of the insulating handle is sleeved with a PVC insulating grip, and the other end of the insulating handle is riveted with a butt joint screw fastener 3.
A method for installing and using a temporary grounding wire power connection clamp device comprises the following steps:
installation: 1. connecting and screwing the butt-joint screw buckle female buckle bolt and the threaded hole of the power connection clamp 1; 2. connecting the insulating handle with the power receiving clamp 1 through a butt joint screw fastener and a female fastener; 3. the copper wire nostril of the conductor end of the copper soft strand of the grounding wire is sleeved in the butt-joint screw fastener fastening bolt and is fastened by a nut;
when the electric clamp is used, the grounding end of the grounding wire is firstly connected, then the insulating handle is held by a hand, and the clamping opening of the electric clamp 1 is inserted into the leading-out conductor of the maintenance equipment through the insulating handle.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego such subject matter, nor should the applicant consider that such subject matter is not considered part of the disclosed subject matter.
Claims (8)
1. A temporary grounding wire power connection clamp device is characterized by comprising a power connection clamp (1), a butt joint screw fastener and an insulating handle; the butt-joint screw thread comprises a butt-joint screw thread female buckle (2) and a butt-joint screw thread male buckle (3);
the power receiving clamp (1) is arranged on the butt joint screw buckle female buckle (2), the butt joint screw buckle female buckle (2) is in threaded connection with the butt joint screw buckle sub-buckle (3), and the butt joint screw buckle sub-buckle (3) is connected with the insulating handle.
2. The electrical clamping device for temporary ground wire connection according to claim 1, wherein the electrical clamping device (1) is made of an isolating disconnecting link static contact, and the electrical clamping device (1) has a clamping mouth for clamping a flat type hard conductor; the electric clamp (1) is provided with a threaded hole for connecting with the butt joint screw thread female buckle (2).
3. The electrical clamping device for temporary grounding wire according to claim 2, wherein the isolating switch static contact is provided with a plurality of round holes (11).
4. The temporary grounding wire power connection clamp device according to claim 2, wherein a bolt (21) of the butt-joint screw-thread female buckle (2) is screwed into a threaded hole of the power connection clamp (1), a copper wire nostril is sleeved on the bolt (21), the copper wire nostril is connected with a copper soft strand conductor end of the grounding wire, and the copper wire nostril is fastened through a nut.
5. The electrical clip device for temporary grounding wire connection according to claim 1, wherein the butt-joint screw clip (3) is sleeved on one end of the insulating handle and fixed by a rivet.
6. A temporary ground wire connection clip device according to claim 1, wherein said insulated handle comprises an insulated rod (5) and an insulated grip (6); one end of an insulating rod (5) is connected with the insulating grip (6), and the other end of the insulating rod (5) is connected with the butt joint screw fastener (3).
7. The electrical clamping device for temporary grounding wire connection according to claim 1, wherein the insulation rod (5) is made of long saturated epoxy resin glass fiber reinforced plastic insulation rod, one end of which is sleeved with an insulation handle (6) made of PVC material, and the other end of which is riveted with a butt-joint screw fastener (3).
8. The use method of a temporary grounding wire connection clamp device according to any one of claims 1 to 7, comprising the steps of:
connecting and screwing the butt joint screw buckle female buckle (2) and the power connection clamp (1);
connecting the insulating handle with the power receiving clamp (1) through a butt joint screw buckle female buckle (2) and a butt joint screw buckle male buckle (3);
sleeving the copper wire nostrils at the conductor end of the copper soft strand of the grounding wire on the butt-joint screw fastener (3) and fastening by using nuts;
when the electric connector is used, the grounding end of a grounding wire is firstly connected, then the insulating handle is held by a hand, and the clamping opening of the electric connector (1) is inserted into the leading-out conductor of the maintenance equipment through the insulating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111340321.2A CN114122760A (en) | 2021-11-12 | 2021-11-12 | Temporary grounding wire power connection clamp device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111340321.2A CN114122760A (en) | 2021-11-12 | 2021-11-12 | Temporary grounding wire power connection clamp device and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114122760A true CN114122760A (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111340321.2A Pending CN114122760A (en) | 2021-11-12 | 2021-11-12 | Temporary grounding wire power connection clamp device and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114122760A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203942037U (en) * | 2014-05-05 | 2014-11-12 | 国家电网公司 | A kind of clamping-groove type grounding wire erecting device |
| CN110108944A (en) * | 2019-06-04 | 2019-08-09 | 云南电网有限责任公司德宏供电局 | A kind of line insulation test grounding wire device and its line insulation test method |
| CN113067208A (en) * | 2021-04-08 | 2021-07-02 | 国网湖北省电力有限公司宜昌供电公司 | Plug-in type grounding wire device for enclosed bus |
| CN113097753A (en) * | 2021-04-12 | 2021-07-09 | 国网湖北省电力有限公司神农架供电公司 | Enclosed bus grounding wire device |
-
2021
- 2021-11-12 CN CN202111340321.2A patent/CN114122760A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203942037U (en) * | 2014-05-05 | 2014-11-12 | 国家电网公司 | A kind of clamping-groove type grounding wire erecting device |
| CN110108944A (en) * | 2019-06-04 | 2019-08-09 | 云南电网有限责任公司德宏供电局 | A kind of line insulation test grounding wire device and its line insulation test method |
| CN113067208A (en) * | 2021-04-08 | 2021-07-02 | 国网湖北省电力有限公司宜昌供电公司 | Plug-in type grounding wire device for enclosed bus |
| CN113097753A (en) * | 2021-04-12 | 2021-07-09 | 国网湖北省电力有限公司神农架供电公司 | Enclosed bus grounding wire device |
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