CN110011081A - A kind of temporary earthing device and earthing method - Google Patents
A kind of temporary earthing device and earthing method Download PDFInfo
- Publication number
- CN110011081A CN110011081A CN201910408412.1A CN201910408412A CN110011081A CN 110011081 A CN110011081 A CN 110011081A CN 201910408412 A CN201910408412 A CN 201910408412A CN 110011081 A CN110011081 A CN 110011081A
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- contact
- spring
- earth plate
- electric wire
- spring contact
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 238000007373 indentation Methods 0.000 claims description 12
- 241000883990 Flabellum Species 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
-
- 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
-
- 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
- H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
-
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
-
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
- H01R4/4863—Coil spring
-
- 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
- H01R43/007—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for elastomeric connecting elements
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Cable Installation (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present invention relates to a kind of temporary earthing device and earthing methods, belong to power ground equipment technical field.Technical solution is: bayonet unit is pressed to annular portion direction, after the elastic card (21) of cylindrical body (22) lower end passes through annular portion (81), it restores to the original state since the elastic force of its own acts on, and the lower end surface Elastic Contact with earth plate (9), simultaneously, annular sidewall (13) lower end of nut cap (1) is contacted with opening annulus upper surface, so that nut cap (1), terminal (8) and earth plate (9) are fixed together;Spring contact two (32) passes through slot and is in contact with earth plate, and spring contact one is in contact with the conductor portion of electric wire;At this time if earth plate is good with line contacts, indicate indicator is shown normally, to be otherwise further processed to terminal or earth plate, until indicate indicator is shown normally.The configuration of the present invention is simple, it is easy to use, it can be realized the rapid grounding of electric wire, and can indicate earthing effect.
Description
Technical field
The present invention relates to a kind of temporary earthing device and earthing methods, belong to power ground equipment technical field.
Background technique
At present in operation and the inspection maintenance of power equipment, ground connection operation is crucial, and existing ground connection is mainly
It is connected devices on earth plate, usually terminal is fixed on earth plate by bolt, but bolt is solid by ground line
It in fixed process, needs to be tightened bolt with spanner, the process is time-consuming and laborious, particularly with needing that more piece-root graftings are ground wire grounded
In operation, the problem is especially prominent, in addition, earth plate, terminal are all metal manufacture, the time is long, and metal surface gets rusty easily,
It is also possible to be not fastened to position due to artificial origin during bolt fastening, these factors, which all may cause, sees electricity on surface
Line realizes ground connection, but actually not formed effective electrical connection, it is most likely that causes greatly to pacify to next operation
Full hidden danger.
Summary of the invention
The object of the present invention is to provide a kind of temporary earthing device and earthing methods, can release security risk, realize fast
Quick access, and earthing effect can be indicated, solve the above problem existing for background technique.
The technical scheme is that
A kind of temporary earthing device includes bayonet unit, control module, indicate indicator, power supply, electric wire, terminal and earth plate;
The terminal includes annular portion, conductive copper sheet and clamp, and annular portion is made of opening annulus and boss, is set on the annulus that is open
There is perforative slot, opening annulus is equipped with arc-shaped boss in the lower end surface close to inner ring, and conductive copper sheet is connected to opening annulus
On, electric wire is fixed on conductive copper sheet by clamp;
Earth plate is arranged below terminal, and earth plate is equipped with ground hole, and the arc cam matching of annular portion is inserted into ground connection
In hole, opening annulus lower end surface is in contact with earth plate;
Bayonet unit is arranged above terminal, and comprising nut cap, buckle column, spring contact one and spring contact two, nut cap is by circle
Upper cover and the annular sidewall composition that circular upper cover lower end surface is arranged in, annular sidewall are equipped with notch, gap position and opening annulus
Aperture position be arranged in a staggered manner;The lower end surface of circular upper cover is respectively equipped with buckle column, spring contact one and spring contact two;Buckle
Column is made of cylindrical body and elastic card, and the bottom end of cylindrical body is arranged in elastic card, and cylindrical body upper end is fixed on circular upper cover
Lower end surface, cylindrical body lower end pass through annular portion after, the elastic card positioned at cylindrical body bottom end is fastened on earth plate lower end surface;Bullet
Spring contact one is located at the indentation, there of annular sidewall, and one upper end of spring contact is fixed on the lower end surface of circular upper cover, and electric wire is extend into
The indentation, there of annular sidewall, one lower end of spring contact are in contact with electric wire;Spring contact two is located at the top of slot, spring contact two
Upper end is fixed on the lower end surface of circular upper cover, and two lower end of spring contact is in contact after passing through slot with earth plate;
Be additionally provided with power supply, control module and indicate indicator in nut cap, control module by conducting wire respectively with spring contact one and
Spring contact two is connected, and power supply, control module and indicate indicator are sequentially connected.
The spring contact one includes spring one, contact pilotage one and cylinder one, and cylinder one is fixed under circular upper cover
End face, cylinder one is interior to be equipped with spring one, and the upper end of spring one is fixed on the lower end surface of circular upper cover, and the lower end of spring one is equipped with touching
Needle one, contact pilotage one are in contact with electric wire;The spring contact two includes spring two, contact pilotage two and cylinder two, and the fixation of cylinder two is set
It sets and is equipped with spring two in the lower end surface of circular upper cover, cylinder two, the upper end of spring two is fixed on the lower end surface of circular upper cover, bullet
The lower end of spring two is equipped with contact pilotage two, and contact pilotage two is in contact with earth plate.
The electric wire includes conductor portion and covering portion, and covering portion is coated on outside conductor portion, after conductor portion stretches out covering portion, is stretched
Enter to annular sidewall indentation, there, the contact pilotage one of spring contact one is in contact with conductor portion inserting end.
The clamp includes the first clamp and the second clamp, and the first clamp is clamped on the extension end of conductor portion, the second folder
Body is held in covering portion.
The slot is arc groove.
The length of the spring contact one is less than the length of spring contact two.
One end that the contact pilotage one is connect with spring one is equipped with flange one, and flange one is in contact with one inner wall of cylinder;Contact pilotage
Two one end connecting with spring two are equipped with flange two, and flange two is in contact with two inner wall of cylinder.
The length of the spring one is less than the length of spring two.
The inside of the circular upper cover is equipped with cavity, and control module and power supply are arranged in cavity, and cavity is equipped with door, with
The connection type of the replacement of realization control module or power supply, door and circular upper cover upper surface is known, such as is buckled.
The indicate indicator is indicator light or buzzer.
The quantity of the elastic card is two or more, around the lower end surface that cylindrical body is arranged in, cylindrical body with
Elastic card is an integral molding structure, and when elastic card passes through annular portion, elastic card is shunk to the direction close to cylindrical body,
After elastic card passes through annular portion, is flicked according to natural resiliency to far from cylindrical body, be stuck in earth plate lower end surface.
The gap width of the annular sidewall is greater than the width of electric wire.
The opening width of the opening annulus is 0.5-2cm, with the internal diameter and outer diameter of realization opening annulus in certain model
Enclose interior adjustment.
The position of the boss is staggeredly located out with opening annulus opening.
The indicator light is LED light.
A kind of temporary grounding method, using above-mentioned earthing or grounding means, steps are as follows:
First step: preparing electric wire and terminal, and part covering portion is removed in electric wire one end, leaks out part conductor portion;Electric wire is put
It sets on conductive copper sheet, the part conductor portion that the clamping of the first clamp leaks out, the second clamp clamps covering portion;
Second step: the boss of annular portion is aligned with the ground hole on earth plate, is inserted into boss in ground hole, open circles
Ring and flabellum lower end surface are in contact with earth plate;
Third step: preparing bayonet unit, bayonet unit be aligned with annular portion, adjusts the direction of bayonet unit, and setting is made to exist
The spring contact one of annular sidewall indentation, there is aligned with the part conductor portion that electric wire leaks out, and spring contact two and setting are in open circles
Slot alignment on ring;Bayonet unit is pressed to annular portion direction, after the elastic card of cylindrical body bottom end passes through annular portion, due to
Its own elastic force, which acts on, to restore to the original state, and the lower end surface Elastic Contact with earth plate, meanwhile, the side wall lower ends face of nut cap with open
Mouth annulus upper end face contact, so that nut cap, terminal and earth plate are fixed together;Spring contact two passes through slot and earth plate phase
Contact, spring contact one are in contact with the part conductor portion that electric wire leaks out;At this time if earth plate is good with line contacts, instruction
Component is shown normally, to be otherwise further processed to terminal or earth plate, until indicate indicator is shown normally.
It further include by adjusting the size of opening annulus opening, to adjust the diameter of opening annulus, in turn in second step
The radian of the arc cam of opening annulus lower end surface is arranged in adjustment, fits arc cam and the ground hole of earth plate mutually
It answers.
Further, terminal or earth plate are further processed as derusting to terminal or earth plate in third step
Processing.
Advantages of the present invention:
Relatively rapidly electric wire and the present invention can be linked together, not have to the tools such as spanner, bolt, also eliminate spanner rotation
The time of tight bolt.Earthing effect can be indicated, prevent the generation of imperfect earth.The opening annulus of annular portion can have
Effect increases the contact area of terminal and earth plate.The opening design of opening annulus can adjust the internal diameter and outer diameter of opening annulus,
Arc cam is set to match with ground hole, to increase the adaptability of terminal.
The positive effect of the present invention: structure is simple, easy to use, can be realized the rapid grounding of electric wire, and can be right
Earthing effect is indicated.
Detailed description of the invention
Fig. 1 is the attachment structure schematic diagram of terminal of the present invention and electric wire;
Fig. 2 is schematic cross-sectional view of the present invention;
Fig. 3 is bayonet unit schematic cross-sectional view of the present invention;
Fig. 4 is circuit diagram of the present invention;
In figure: nut cap 1, circular upper cover 12, annular sidewall 13, buckle column 2, elastic card 21, cylindrical body 22, spring contact one
31, spring contact 2 32, spring 1, contact pilotage 1, cylinder 1, spring 2 321, contact pilotage 2 322, cylinder 2 323,
Control module 4, indicate indicator 5, power supply 6, electric wire 7, conductor portion 71, covering portion 72, terminal 8, annular portion 81, the first clamp 82,
Second clamp 83, conductive copper sheet 84, opening annulus 811, boss 812, slot 813, earth plate 9, ground hole 91.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples:
A kind of temporary earthing device includes bayonet unit, control module 4, indicate indicator 5, power supply 6, electric wire 7, terminal 8 and ground connection
Plate 9;
The terminal 8 includes annular portion 81, conductive copper sheet 84 and clamp, and annular portion 81 is by opening annulus 811 and 812 groups of boss
At opening annulus is equipped with perforative slot 813, and opening annulus is equipped with arc-shaped boss 812 in the lower end surface close to inner ring, leads
Electrolytic copper piece 84 is connected on opening annulus 811, and electric wire 7 is fixed on conductive copper sheet by clamp;
Earth plate 9 is arranged below terminal 8, and earth plate is equipped with ground hole 91, and the matching of arc cam 812 of annular portion 81 is inserted
Enter into ground hole 91, opening annulus lower end surface is in contact with earth plate 9;
Bayonet unit is arranged above terminal 8, includes nut cap 1, buckle column 2, spring contact 1 and spring contact 2 32, nut cap
1 is made of circular upper cover 12 with the annular sidewall 13 that 12 lower end surface of circular upper cover is arranged in, and annular sidewall 13 is equipped with notch, notch
Position and the aperture position of opening annulus are arranged in a staggered manner;The lower end surface of circular upper cover 12 is respectively equipped with buckle column 2, spring contact one
31 and spring contact 2 32;Buckle column 2 is made of cylindrical body 22 and elastic card 21, and cylindrical body 22 is arranged in elastic card 21
Bottom end, 22 upper end of cylindrical body is fixed on the lower end surface of circular upper cover 12, after 22 lower end of cylindrical body passes through annular portion 81, is located at cylinder
The elastic card 21 of 22 bottom end of body is fastened on 9 lower end surface of earth plate;Spring contact 1 is located at the indentation, there of annular sidewall 13, bullet
One 31 upper end of spring contact is fixed on the lower end surface of circular upper cover 12, and electric wire 7 extend into the indentation, there of annular sidewall 13, spring contact
One 31 lower ends are in contact with electric wire 7;Spring contact 2 32 is located at the top of slot 813, and 2 32 upper end of spring contact is fixed on circle
The lower end surface of upper cover 12,2 32 lower end of spring contact are in contact after passing through slot 813 with earth plate 9;
Be additionally provided with power supply 6, control module 4 and indicate indicator 5 in nut cap 1, control module 4 by conducting wire respectively with spring contact
One 31 are connected with spring contact 2 32, and power supply 6, control module 4 and indicate indicator 5 are sequentially connected.
The spring contact 1 includes spring 1, contact pilotage 1 and cylinder 1, and cylinder 1 is fixedly installed
In the lower end surface of circular upper cover 12, spring 1 is equipped in cylinder 1, the upper end of spring 1 is fixed on circular upper cover 12
Lower end surface, the lower end of spring 1 is equipped with contact pilotage 1, and contact pilotage 1 is in contact with electric wire 7;The spring contact 2 32
Comprising spring 2 321, contact pilotage 2 322 and cylinder 2 323, cylinder 2 323 is fixed at the lower end surface of circular upper cover 12, cylinder
Spring 2 321 is equipped in 2 323, the upper end of spring 2 321 is fixed on the lower end surface of circular upper cover 12, the lower end of spring 2 321
Equipped with contact pilotage 2 322, contact pilotage 2 322 is in contact with earth plate 9.
The electric wire 7 includes conductor portion 71 and covering portion 72, and covering portion 72 is coated on outside conductor portion 71, and conductor portion 71 is stretched out
After covering portion 72, it is extend into 13 indentation, there of annular sidewall, the contact pilotage 1 of spring contact 1 connects with 71 inserting end of conductor portion
Touching.
The clamp includes the first clamp 82 and the second clamp 83, and the first clamp 82 is clamped in the extension end of conductor portion 71
On, the second clamp 83 is held in covering portion 72.
The slot 813 is arc groove.
The length of the spring contact 1 is less than the length of spring contact 2 32.
The length of the spring one is less than the length of spring two.
One end that the contact pilotage 1 is connect with spring one is equipped with flange one, and flange one connects with one 313 inner wall of cylinder
Touching;One end that contact pilotage 2 322 is connect with spring two is equipped with flange two, and flange two is in contact with 2 323 inner wall of cylinder.
The inside of the circular upper cover 12 is equipped with cavity, and control module 4 and power supply 6 are arranged in cavity, and cavity is equipped with
Door, to realize the replacement of control module or power supply.The connection type of door and circular upper cover upper surface is known, such as is buckled.
The indicate indicator 5 is indicator light or buzzer.
The gap width of the annular sidewall 13 is greater than the width of electric wire.
The quantity of the elastic card is two or more, around the lower end surface that cylindrical body is arranged in, cylindrical body with
Elastic card is an integral molding structure, and when elastic card passes through annular portion, elastic card is shunk to the direction close to cylindrical body,
After elastic card passes through annular portion, is flicked according to natural resiliency to far from cylindrical body, be stuck in earth plate lower end surface.
The gap width of the annular sidewall is greater than the width of electric wire.
The opening width of the opening annulus is 0.5-2cm, with the internal diameter and outer diameter of realization opening annulus in certain model
Enclose interior adjustment.
The position of the boss is staggeredly located out with opening annulus opening.
The indicator light is LED light.
A kind of temporary grounding method, using above-mentioned earthing or grounding means, steps are as follows:
First step: preparing electric wire 7 and terminal 8, and part covering portion 72 is removed in 7 one end of electric wire, leaks out part conductor portion 71;It will
Electric wire 7 is placed on conductive copper sheet 84, and the part conductor portion that the clamping of the first clamp leaks out, the second clamp clamps covering portion;
Second step: the boss 812 of annular portion is aligned with the ground hole 91 on earth plate 9, boss 812 is made to be inserted into ground hole
In 91, opening annulus 811 and 85 lower end surface of flabellum are in contact with earth plate 9;
Third step: preparing bayonet unit, bayonet unit be aligned with annular portion, adjusts the direction of bayonet unit, and setting is made to exist
The spring contact one of annular sidewall indentation, there is aligned with the part conductor portion that electric wire leaks out, and spring contact 2 32 is being open with setting
Slot 813 on annulus is aligned;Bayonet unit is pressed to annular portion direction, the elastic card 21 of 22 bottom end of cylindrical body passes through annulus
Behind portion 81, restore to the original state since the elastic force of its own acts on, and the lower end surface Elastic Contact with earth plate 9, meanwhile, nut cap 1
13 lower end surface of annular sidewall is contacted with opening annulus upper surface, so that nut cap 1, terminal 8 and earth plate 9 are fixed together;Bullet
Spring contact 2 32 passes through slot 813 and is in contact with earth plate, and spring contact 1 is in contact with the part conductor portion that electric wire leaks out;This
Shi Ruguo earth plate and line contacts are good, and indicate indicator is shown normally, to be otherwise further processed to terminal or earth plate, directly
It is shown normally to indicate indicator.
It further, further include the size being open by adjusting opening annulus 811 in second step, to adjust opening annulus
811 diameter, and then the radian that the arc cam 812 of opening 811 lower end surface of annulus is set is adjusted, make arc cam
812 is adaptable with the ground hole of earth plate.
Further, terminal or earth plate are further processed as derusting to terminal or earth plate in third step
Processing.
As shown in Figures 2 and 3, circular upper cover 12, annular sidewall 13, cylinder 1 and cylinder 2 323 can be integrally formed
Structure, cylinder 1 are equipped with circular hole one far from one end of circular upper cover 12, and spring 1 is located in cylinder one, contact pilotage 1
For cone, conical bottom surface is connect with spring one, and bottom surface is equipped with flange one, which is in contact with one inner wall of cylinder,
Prevent contact pilotage 1 from deviating from from cylinder one.Cylinder 2 323 far from circular upper cover 12 one end be equipped with circular hole two, 2 321, spring
In in cylinder two, contact pilotage 2 322 is cone, and bottom surface is connect with spring 2 321, and bottom surface is equipped with flange two, the flange two and circle
Two inner walls of cylinder are in contact, and prevent contact pilotage 2 322 from deviating from from cylinder.Buckling column 2 includes cylindrical body 22 and elastic card 21, elastic card
The end of cylindrical body 22 is arranged in 21 one end of piece, and the other end is stretched out to the direction of nut cap 1, is fastened on earth plate, elastic card
Quantity be two or more.Power supply 6, control module 4 and indicator light are additionally provided in nut cap 1, control module 4 is by leading
One end that line is equipped with flange one and flange two with contact pilotage 1 and contact pilotage 2 322 respectively is connected, when contact pilotage 1 and contact pilotage two
322 when being connected, and control module 4 issues control signal to indicator light 5, and indicator light 5 is lighted, be additionally provided in nut cap 1 for for
The power supply 6 that control module 4 and indicator light 5 are powered.
As shown in Figure 1, annular portion 81 includes opening annulus 811 and boss 812, arc is additionally provided on opening annulus 811
The slot 813 of shape, slot 813 is corresponding with spring contact one, and boss 812 can be embedded in the ground hole of earth plate 9, and be open annulus
811 can increase the contact area of terminal Yu earth plate 9, and annular portion 81 is equipped with conductive copper sheet 84, one end of electric wire 7 is removed
Part covering portion 72 leaks out part conductor portion 71, and the first clamp 82 is held in the conductor portion 71 of leakage, to realize 8 He of terminal
The electrical connection of electric wire 7, the second clamp 83 are held in covering portion 72, to realize the fixation of terminal and electric wire.First clamp, 82 He
Second clamp 83 is linked together by conductive copper sheet 84, and the opening annulus 811 of annular portion 81 is inc circular ring shape, opening
Annulus 811 is equipped with opening in one end far from electric wire 7, and opening has certain width, so that the internal diameter of opening annulus 811
Change in a certain range with external diameter.
Further include earth plate 9, ground hole 91 is provided on earth plate, ground hole is circular hole, and earth plate can be special
Earthing or grounding means is also possible to earthing or grounding means on electrical equipment.
Claims (10)
1. a kind of temporary earthing device, it is characterised in that: include bayonet unit, control module (4), indicate indicator (5), power supply
(6), electric wire (7), terminal (8) and earth plate (9);
The terminal (8) includes annular portion (81), conductive copper sheet (84) and clamp, annular portion (81) by opening annulus (811) and
Boss (812) composition, opening annulus are equipped with perforative slot (813), and opening annulus is equipped with circular arc in the lower end surface close to inner ring
The boss (812) of shape, conductive copper sheet (84) are connected in opening annulus (811), and electric wire (7) is fixed on conductive copper sheet by clamp
On;
Earth plate (9) setting is below terminal (8), and earth plate is equipped with ground hole (91), the arc cam of annular portion (81)
(812) matching is inserted into ground hole (91), and opening annulus lower end surface is in contact with earth plate (9);
Bayonet unit setting includes nut cap (1), buckle column (2), spring contact one (31) and spring contact above terminal (8)
Two (32), nut cap (1) are made of circular upper cover (12) and the annular sidewall (13) being arranged in circular upper cover (12) lower end surface, annular
Side wall (13) is equipped with notch, and gap position and the aperture position of opening annulus (811) are arranged in a staggered manner;The lower end of circular upper cover (12)
Face is respectively equipped with buckle column (2), spring contact one (31) and spring contact two (32);Column (2) are buckled by cylindrical body (22) and bullet
Property card (21) form, elastic card (21) be arranged in the bottom end of cylindrical body (22), cylindrical body (22) upper end is fixed in circle
The lower end surface of (12) is covered, after cylindrical body (22) lower end passes through annular portion (81), is located at the elastic card of cylindrical body (22) bottom end
(21) it is fastened on earth plate (9) lower end surface;Spring contact one (31) is located at the indentation, there of annular sidewall (13), spring contact one
(31) upper end is fixed on the lower end surface of circular upper cover (12), and electric wire (7) extend into the indentation, there of annular sidewall (13), spring contact
One (31) lower end is in contact with electric wire (7);Spring contact two (32) is located at the top of slot (813), spring contact two (32) upper end
It is fixed on the lower end surface of circular upper cover (12), spring contact two (32) lower end passes through slot (813) and is in contact afterwards with earth plate (9);
Power supply (6), control module (4) and indicate indicator (5) are additionally provided in nut cap (1), control module (4) is distinguished by conducting wire
It is connected with spring contact one (31) and spring contact two (32), power supply (6), control module (4) and indicate indicator (5) successively connect
It connects.
2. a kind of temporary earthing device according to claim 1, it is characterised in that: the spring contact one (31) includes bullet
Spring one (311), contact pilotage one (312) and cylinder one (313), cylinder one (313) are fixed at the lower end surface of circular upper cover (12),
Spring one (311) is equipped in cylinder one (313), the upper end of spring one (311) is fixed on the lower end surface of circular upper cover (12), spring
The lower end of one (311) is equipped with contact pilotage one (312), and contact pilotage one (312) is in contact with electric wire (7);Spring contact two (32) packet
Containing spring two (321), contact pilotage two (322) and cylinder two (323), cylinder two (323) is fixed under circular upper cover (12)
End face, cylinder two (323) is interior to be equipped with spring two (321), and the upper end of spring two (321) is fixed on the lower end of circular upper cover (12)
The lower end in face, spring two (321) is equipped with contact pilotage two (322), and contact pilotage two (322) is in contact with earth plate (9).
3. a kind of temporary earthing device according to claim 2, it is characterised in that: the electric wire (7) includes conductor portion
(71) and covering portion (72), covering portion (72) are coated on conductor portion (71) outside, after conductor portion (71) stretches out covering portion (72), protrude into
Contact pilotage one (312) to annular sidewall (13) indentation, there, spring contact one (31) is in contact with conductor portion (71) inserting end.
4. a kind of temporary earthing device according to claim 3, it is characterised in that: the clamp includes the first clamp (82)
With the second clamp (83), the first clamp (82) is clamped on the extension end of conductor portion (71), and the second clamp (83) is held on cladding
In portion (72).
5. a kind of temporary earthing device according to claim 2, it is characterised in that: the contact pilotage one (312) and spring one
One end of connection is equipped with flange one, and flange one is in contact with cylinder one (313) inner wall;Contact pilotage two (322) is connect with spring two
One end is equipped with flange two, and flange two is in contact with cylinder two (323) inner wall.
6. a kind of temporary earthing device according to claim 1, it is characterised in that: the inside of the circular upper cover (12) is set
There is cavity, control module (4) and power supply (6) are arranged in cavity.
7. a kind of temporary earthing device according to claim 1, it is characterised in that: the indicate indicator (5) is indicator light
Or buzzer.
8. a kind of temporary grounding method, using earthing or grounding means described in claim 1-7 any one, it is characterised in that following step
It is rapid:
First step: preparing electric wire (7) and terminal (8), electric wire (7) one end removed part covering portion (72), leaks out part and leads
Body portion (71);Electric wire (7) is placed on conductive copper sheet (84), the part conductor portion that the clamping of the first clamp leaks out, the second clamp
Clamp covering portion;
Second step: the boss (812) of annular portion is aligned with the ground hole (91) on earth plate (9), is inserted into boss (812)
In to ground hole (91), opening annulus (811) and flabellum (85) lower end surface is in contact with earth plate (9);
Third step: preparing bayonet unit, bayonet unit be aligned with annular portion, adjusts the direction of bayonet unit, and setting is made to exist
The spring contact one (31) of annular sidewall indentation, there is aligned with the part conductor portion that electric wire leaks out, spring contact two (32) and setting
Slot (813) alignment on opening annulus;Bayonet unit is pressed to annular portion direction, the elastic card of cylindrical body (22) bottom end
(21) it after passing through annular portion (81), restores to the original state since the elastic force of its own acts on, and the lower end surface elastic connecting with earth plate (9)
Touching, meanwhile, annular sidewall (13) lower end surface of nut cap (1) is contacted with opening annulus upper surface, thus by nut cap (1), terminal (8)
It is fixed together with earth plate (9);Spring contact two (32) passes through slot (813) and is in contact with earth plate, spring contact one (31)
The part conductor portion leaked out with electric wire is in contact;At this time if earth plate is good with line contacts, indicate indicator is shown normally, no
Then terminal or earth plate are further processed, until indicate indicator is shown normally.
9. a kind of temporary grounding method according to claim 8, it is characterised in that: further include in second step by adjusting
The size for annulus (811) opening that is open to adjust the diameter of opening annulus (811), and then adjusts setting in opening annulus (811)
The radian of the arc cam (812) of lower end surface is adapted the ground hole of arc cam (812) and earth plate.
10. a kind of temporary grounding method according to claim 8 or claim 9, it is characterised in that: to terminal or connect in third step
Floor is further processed as to terminal or earth plate progress processing of rust removing.
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