CN206490011U - A kind of ground wire isolation switch structure - Google Patents
A kind of ground wire isolation switch structure Download PDFInfo
- Publication number
- CN206490011U CN206490011U CN201720139373.6U CN201720139373U CN206490011U CN 206490011 U CN206490011 U CN 206490011U CN 201720139373 U CN201720139373 U CN 201720139373U CN 206490011 U CN206490011 U CN 206490011U
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- China
- Prior art keywords
- phase
- isolation switch
- ground wire
- insulated columns
- insulated
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- 238000002955 isolation Methods 0.000 title claims abstract description 50
- 239000000725 suspension Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims description 41
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Abstract
The utility model is related to a kind of ground wire isolation switch structure, belongs to power construction security tool technical field.Technical scheme is:Include ground connection isolation switch, insulated sling(6), insulation drawstring(17), electric pole(18), ground wire one(19)With ground wire two(20);The ground wire one(19)It is fixed on binding post(16)On, insulate drawstring(17)It is fixed on combined floodgate draw ring(15)On, A phase insulated columns(2), B phase insulated columns(3)With C phase insulated columns(4)Respectively with corresponding ground wire two(20)It is connected, insulated sling(6)Fasten in suspension ring(5)On, ground connection isolation switch passes through insulated sling(6)Hanging is in electric pole(18)Cross-arm on.Good effect of the present utility model:All the time a kind of safe condition is in during staff's hanging earthing conductor.Even if having very strong induced voltage on the unexpected powered or circuit of circuit, staff is also unlikely to have personal danger.
Description
Technical field
The utility model is related to a kind of ground wire isolation switch structure, belongs to power construction security tool technical field.
Background technology
The ground wire that generally we use is that the grounding connection line of ground wire and each phase conductor is directly linked together, and is used
When first connect earth terminal and be followed by conductor wire end.Although staff's first electrical verification in hanging earthing conductor, just in case tested unexpected line after electricity
Road is powered, or has very strong induced voltage when line parallel, the other voltage levels circuits of intersection, and at this moment hanging earthing conductor is with regard to phase
When in circuit directly band electrical short and ground connection, very big short circuit current flow and arc light are caused, workmen's life security is by very big
Threaten.
Utility model content
The purpose of this utility model is to provide a kind of ground wire isolation switch structure, and the structure is mutually led in ground wire with every
Install a ground connection isolation switch between the grounding connection line of line additional, isolation switch is in released state in hanging earthing conductor, work people
Member hangs up properly ground wire away from a distance closing isolation switch by insulating cord bracing wire after shaft tower.Accordingly even when circuit is powered suddenly
Or have very strong induced voltage on circuit, also it is unlikely to have personal danger during staff's hanging earthing conductor, solves background skill
The above mentioned problem that art is present.
The technical solution of the utility model is:
A kind of ground wire isolation switch structure, includes ground connection isolation switch, insulated sling, insulation drawstring, electric pole, ground connection
Line one and ground wire two;
The ground connection isolation switch includes isolation switch casing, A phases insulated column, B phases insulated column, C phases insulated column, suspension ring, A
Phase static contact, B phases static contact, C phases static contact, movable touch knife, rotating shaft rod, press rods, compression spring, attacker, drawing of closing a floodgate
Ring, binding post and spring anchor block;
It is A phases insulated column, B phases insulated column, C phases insulated column, suspension ring, A phases static contact, B phases static contact, C phases static contact, dynamic
Contact knife, rotating shaft rod, press rods, compression spring, attacker, combined floodgate draw ring, binding post and spring anchor block are arranged at isolation
On disconnecting link casing.Binding post is 3, is arranged on isolation switch bottom half, rotating shaft rod is arranged on the top of binding post.It is dynamic to touch
Knife is 3, and lower end is fixed on rotating shaft rod, and bottom is commonly connected together with binding post.The bottom of press rods is fixed on
On rotating shaft rod, positioned at the avris position of rotating shaft rod.Compression spring fixed block is arranged on the lower section of press rods, compression spring
One end is fixed in press rods, and the other end is fixed on spring anchor block.The rotating shaft of attacker is fixed on isolation switch casing bottom,
Lower end is connected with combined floodgate draw ring, and upper end can tangle press rods, and A phases insulated column, B phases insulated column and C phase insulated columns are successively set on
The top of isolation switch casing.The bottom of A phases insulated column, B phases insulated column and C phase insulated columns match successively provided with A phases static contact,
B phases static contact and C phase static contacts.The upper end of 3 movable touch knifes respectively with A phases static contact, B phases static contact and C phase static contacts
Matching connection, the upper end of isolation switch casing is additionally provided with suspension ring;
Described one end of ground wire one is fixed on binding post and is connected with movable touch knife, and the other end is earth terminal, and insulation is drawn
Rope be fixed on combined floodgate draw ring, the ground wire two be wire connecting line, one end respectively with A phases insulated column, B phases insulated column and C
Phase insulated column correspondence is connected, and the other end is connected with corresponding lead respectively;Insulated sling is fastened on suspension ring, and ground connection isolation switch passes through
Insulated sling is hung on the cross-arm of electric pole.
The outside of the ground wire one and ground wire two is equipped with insulating sheath.
A length of 600mm of the isolation switch casing, a width of 400mm, a height of 400mm.
The A phases insulated column, B phases insulated column and the pressure-resistant 15kV of C phase insulated columns.
The ground wire one is 25 squares of annealed copper wires.
Good effect of the present utility model:Install a kind of remote-controlled grounding isolation switch on this ground wire additional, can be with
All the time a kind of safe condition is in during distant switching-in, staff's hanging earthing conductor.Even if the unexpected powered or circuit of circuit
On have very strong induced voltage, staff is also unlikely to have personal danger.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
In figure:Isolation switch casing 1, A phases insulated column 2, B phases insulated column 3, C phases insulated column 4, suspension ring 5, insulated sling 6, A
Phase static contact 7, B phases static contact 8, C phases static contact 9, movable touch knife 10, rotating shaft rod 11, press rods 12, compression spring 13, buckle
Hand 14, combined floodgate draw ring 15, binding post 16, insulation drawstring 17, electric pole 18, ground wire 1, ground wire 2 20, spring anchor block
21。
Embodiment
The utility model is described further with reference to the accompanying drawings and examples:
A kind of ground wire isolation switch structure, includes ground connection isolation switch, insulated sling 6, insulation drawstring 17, electric pole
18th, ground wire 1 and ground wire 2 20;
The ground connection isolation switch comprising isolation switch casing 1, A phases insulated column 2, B phases insulated column 3, C phases insulated column 4, hang
Ring 5, A phases static contact 7, B phases static contact 8, C phases static contact 9, movable touch knife 10, rotating shaft rod 11, press rods 12, compression spring
13rd, attacker 14, combined floodgate draw ring 15, binding post 16 and spring anchor block 21;
A phases insulated column 2, B phases insulated column 3, C phases insulated column 4, suspension ring 5, A phases static contact 7, B phases static contact 8, C phase stationary contacts
First 9, movable touch knife 10, rotating shaft rod 11, press rods 12, compression spring 13, attacker 14, combined floodgate draw ring 15, binding post 16 and bullet
Spring fixed block 21 is arranged on isolation switch casing 1, and binding post 16 is 3, is arranged on the bottom of isolation switch casing 1, is rotated
Axostylus axostyle 11 is arranged on the top of binding post 16, and movable touch knife 10 is 3, and lower end is fixed on rotating shaft rod 11, bottom and wiring
Post 16 is commonly connected together, and the bottom of press rods 12 is fixed on rotating shaft rod 11, positioned at the avris position of rotating shaft rod 11,
Spring anchor block 21 is arranged on the lower section of press rods 12, and one end of compression spring 13 is fixed in press rods 12, and the other end is fixed
On spring anchor block 21, the rotating shaft of attacker 14 is fixed on the bottom of isolation switch casing 1, and lower end is connected with combined floodgate draw ring 15, on
End can tangle press rods 12, and A phases insulated column 2, B phases insulated column 3 and C phases insulated column 4 are successively set on the top of isolation switch casing 1
End, the bottom of A phases insulated column 2, B phases insulated column 3 and C phases insulated column 4 is matched provided with A phases static contact 7, B phases static contact 8 successively
Matched respectively with A phases static contact 7, B phases static contact 8 and C phases static contact 9 with the upper end of 9,3 movable touch knife 10 of C phases static contact
Connection, the upper end of isolation switch casing 1 is additionally provided with suspension ring 5;
Described one end of ground wire 1 is fixed on binding post 16 and is connected with movable touch knife 10, and the other end is earth terminal,
Insulation drawstring 17 be fixed on combined floodgate draw ring 15, the ground wire 2 20 be wire connecting line, one end respectively with A phases insulated column 2,
B phases insulated column 3 and the correspondence of C phases insulated column 4 are connected, and the other end is connected with corresponding lead respectively;Insulated sling 6 is fastened on suspension ring 5,
Ground connection isolation switch is hung on the cross-arm of electric pole 18 by insulated sling 6.
The outside of the ground wire 1 and ground wire 2 20 is equipped with insulating sheath.
A length of 600mm of the isolation switch casing 1, a width of 400mm, a height of 400mm.
The A phases insulated column 2, B phases insulated column 3 and the pressure-resistant 15kV of C phases insulated column 4.
The ground wire 1, ground wire 2 20 are 25 squares of annealed copper wires.
Implementation process:
1st, compression spring 13 is made to store up pressure the pressure of press rods 12, at this moment the attacker 14 on combined floodgate draw ring closes and clasps pressure automatically
Power bar 12, at this moment also together rotation is opened in released state movable touch knife 10.
2nd, staff first connects the earth terminal of ground wire 1, and then upper boom insulated sling 6 ties down suspension ring 5, will connect
Ground isolation switch hanging is on electric pole 18.Ground wire 2 20 is hung on three-phase conducting wire again, electric pole 18 is then withdrawn, pulled
Insulate drawstring 17, and the meeting appliance for releasing single of movable touch knife 10, which is closed, arrives A phases static contact 7, B phases static contact 8, C phases static contact 9, isolates ground connection
Disconnecting link is in "on" position.
Claims (5)
1. a kind of ground wire isolation switch structure, it is characterised in that:Include ground connection isolation switch, insulated sling(6), insulation draw
Rope(17), electric pole(18), ground wire one(19)With ground wire two(20);
The ground connection isolation switch includes isolation switch casing(1), A phase insulated columns(2), B phase insulated columns(3), C phase insulated columns
(4), suspension ring(5), A phase static contacts(7), B phase static contacts(8), C phase static contacts(9), movable touch knife(10), rotating shaft rod
(11), press rods(12), compression spring(13), attacker(14), combined floodgate draw ring(15), binding post(16)And spring anchor block
(21);
A phase insulated columns(2), B phase insulated columns(3), C phase insulated columns(4), suspension ring(5), A phase static contacts(7), B phase static contacts
(8), C phase static contacts(9), movable touch knife(10), rotating shaft rod(11), press rods(12), compression spring(13), attacker(14)、
Combined floodgate draw ring(15), binding post(16)And spring anchor block(21)It is arranged at isolation switch casing(1)On, binding post(16)For
3, it is arranged on isolation switch casing(1)Bottom, rotating shaft rod(11)It is arranged on binding post(16)Top, movable touch knife(10)
For 3, lower end is fixed on rotating shaft rod(11)On, bottom and binding post(16)It is commonly connected together, press rods(12)Bottom
End is fixed on rotating shaft rod(11)On, positioned at rotating shaft rod(11)Avris position, spring anchor block(21)It is arranged on press rods
(12)Lower section, compression spring(13)One end be fixed on press rods(12)On, the other end is fixed on spring anchor block(21)On,
Attacker(14)Rotating shaft be fixed on isolation switch casing(1)Bottom, lower end and combined floodgate draw ring(15)It is connected, upper end can tangle pressure
Bar(12), A phase insulated columns(2), B phase insulated columns(3)With C phase insulated columns(4)It is successively set on isolation switch casing(1)Top
End, A phase insulated columns(2), B phase insulated columns(3)With C phase insulated columns(4)Bottom match successively provided with A phase static contacts(7), B phases
Static contact(8)With C phase static contacts(9), 3 movable touch knife(10)Upper end respectively with A phase static contacts(7), B phase static contacts(8)
With C phase static contacts(9)Matching connection, isolation switch casing(1)Upper end be additionally provided with suspension ring(5);
The ground wire one(19)One end is fixed on binding post(16)It is upper and sub with movable touch knife(10)It is connected, the other end is ground connection
End, insulate drawstring(17)It is fixed on combined floodgate draw ring(15)On, the ground wire two(20)For wire connecting line, one end respectively with A
Phase insulated column(2), B phase insulated columns(3)With C phase insulated columns(4)Correspondence connection, the other end is connected with corresponding lead respectively;Insulation
Lifting rope(6)Fasten in suspension ring(5)On, ground connection isolation switch passes through insulated sling(6)Hanging is in electric pole(18)Cross-arm on.
2. a kind of ground wire isolation switch structure according to claim 1, it is characterised in that:The ground wire one(19)
With ground wire two(20)Outside be equipped with insulating sheath.
3. a kind of ground wire isolation switch structure according to claim 1, it is characterised in that:The isolation switch casing
(1)A length of 600 mm, a width of 400mm, a height of 400mm.
4. a kind of ground wire isolation switch structure according to claim 1, it is characterised in that:The A phases insulated column
(2), B phase insulated columns(3)With C phase insulated columns(4)Pressure-resistant 15kV.
5. a kind of ground wire isolation switch structure according to claim 1, it is characterised in that:The ground wire one(19)
With ground wire two(20)For 25 squares of annealed copper wires.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720139373.6U CN206490011U (en) | 2017-02-16 | 2017-02-16 | A kind of ground wire isolation switch structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720139373.6U CN206490011U (en) | 2017-02-16 | 2017-02-16 | A kind of ground wire isolation switch structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206490011U true CN206490011U (en) | 2017-09-12 |
Family
ID=59765011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720139373.6U Active CN206490011U (en) | 2017-02-16 | 2017-02-16 | A kind of ground wire isolation switch structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206490011U (en) |
-
2017
- 2017-02-16 CN CN201720139373.6U patent/CN206490011U/en active Active
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