CN108360907B - 10kV line dual-power hand-in-hand connection structure and installation and use method thereof - Google Patents
10kV line dual-power hand-in-hand connection structure and installation and use method thereof Download PDFInfo
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- CN108360907B CN108360907B CN201810329903.2A CN201810329903A CN108360907B CN 108360907 B CN108360907 B CN 108360907B CN 201810329903 A CN201810329903 A CN 201810329903A CN 108360907 B CN108360907 B CN 108360907B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 title claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910052742 iron Inorganic materials 0.000 claims abstract description 33
- 230000009194 climbing Effects 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000011218 segmentation Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 3
- 101100272667 Xenopus laevis ripply2.2 gene Proteins 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012212 insulator Substances 0.000 description 13
- 230000009977 dual effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
Abstract
The invention relates to a 10kV line dual-power hand-in-hand contact structure and an installation and use method thereof, and belongs to the technical field of power line operation safety. The technical proposal is as follows: when the circuit needs hand-in-hand contact power supply, the double power supply pole of wire separation section, the mistake of installation double power supply pole is prevented climbing structure, and its structure is: the two anchor ear (5) are fixed on the first electric pole (1) through the penetrating nails (9), the framework (6) is semicircular, the framework is arranged on the outer side of the anchor ear (5) in a surrounding mode, and two ends of the framework are welded on the mounting lugs of the anchor ear (5) to form a semicircular main frame structure; the iron plate is fixed in the semi-circular main frame structure in a matching way, and a warning slogan (8) is arranged below the iron plate (7). The double-power pole climbing prevention structure is simple in structure and convenient to connect and operate, and the double-power pole climbing prevention structure is arranged on the double-power pole of the wire separation section, so that climbing of pole climbing personnel can be effectively prevented, electric shock casualties caused by mistakenly climbing the double-power pole tower are avoided, and intrinsic safety effect of preventing personal risks is achieved.
Description
Technical Field
The invention relates to a 10kV line dual-power hand-in-hand contact structure and an installation and use method thereof, and belongs to the technical field of power line operation safety.
Background
In order to improve the passing rate of the 10kV line N-1, a sectional connection structure on a trunk line is generally adopted, and the sectional connection structure has the advantages of flexible connection and simple operation, but the traditional connection structure is too simple, two power supplies are erected on the same pole, and two sides of the same pole in the same line direction are not one power supply. Most of the bow lines exist in the form of a tension pole, and when the bow lines are not connected, the bow lines on the two sides of the flower beam are disconnected. To make it clear that the tower is double powered, a "double powered" warning sign is typically suspended. However, when the line is cleaned and replaced, under the condition that the safety consciousness of constructors is poor and the spirit is not concentrated, the rod number plate and the warning sign are not carefully verified, and the electric shock casualties are caused by mistakenly logging on the electric pole.
Disclosure of Invention
The invention aims to provide a 10kV line double-power hand-in-hand connection structure and an installation and use method thereof, wherein the structure is provided with three sections of connection, and when the line is in a normal running state, a double-power rod is not arranged on the line, so that the risk of mistakenly climbing a live pole tower by a constructor is prevented. When the circuit needs hand in hand contact power supply, the dual supply pole of wire separation section, the mistake of installing a dual supply pole is prevented climbing the structure, this structure is two semicircle discs, install in pole 3 meters eminence, 360 degrees dual supply "warning slogans face ground on the disc, pole personnel can clearly see to play the warning effect, even constructor mistake climbs dual supply pole, also can not cross this structure and continue climbing upwards, from having solved constructor mistake and climb the risk of electrified pole tower in essence, solve the above-mentioned problem that background art exists.
The technical scheme of the invention is as follows:
a10 kV line dual-power hand-in-hand connection structure consists of a connection structure and a dual-power segmentation structure;
the contact structure comprises a first contact section, a second contact section and a third contact section;
the first connecting section comprises a second electric pole, a second flower beam, a first insulator, a first strain clamp, a third circuit, a fourth circuit, a first isolating switch and a first lead; the top end of the second pole is provided with a flower beam II, one end of the flower beam II is provided with a line III, the other end of the flower beam II is provided with a line IV, the line III is connected with a transformer substation, one end of the first isolating switch is connected with the line three-phase through a lead I, and the other end of the first isolating switch is connected with the line IV through the lead I;
the connecting section comprises an electric pole III, a flower beam III, a line V, a circuit breaker and a lead II; the top end of the electric pole III is provided with a flower beam III, one end of the flower beam III is connected with a line IV, the other end of the flower beam III is provided with a line V, one end of the circuit breaker is connected with the line IV through a lead II, and the other end of the circuit breaker is connected with the line V through the lead II;
the third connecting section comprises a fourth electric pole, a fourth flower beam, a sixth line, a second isolating switch and a third lead; the top end of the electric pole IV is provided with a flower beam IV, one end of the flower beam IV is connected with a line V, the other end of the flower beam IV is provided with a line V, one end of the isolating switch II is connected with the line V through a lead III, and the other end of the isolating switch II is connected with the line V through the lead III;
the dual-power-supply segmented structure comprises a lead separation section and a dual-power-supply rod anti-false climbing structure;
the wire separation section comprises a first electric pole, a first flower beam, a first circuit and a second circuit, the first flower beam is arranged at the top end of the electric pole, the first circuit is arranged at one end of the first flower beam, the second circuit is arranged at the other end of the first flower beam, the first circuit is connected with the sixth circuit, and the second circuit is connected with another transformer substation; the double-power-supply-pole mistaken climbing prevention structure comprises two anchor clamps, a framework, iron plates, warning marks and through nails, wherein the anchor clamps are fixed on an electric pole I through the through nails; the iron plate is fan-shaped or semicircular, is matched and fixed in the semicircular main frame structure, and a warning slogan is arranged below the iron plate.
The anchor ear is a semicircular anchor ear and is formed by enclosing galvanized iron plates with the width of 5cm, the length of 925mm and the thickness of 0.5 cm.
The framework is formed by enclosing galvanized round steel with the diameter of 12mm and the length of 1256 mm.
The iron plate is made of galvanized iron plate with the thickness of 1 mm.
The penetrating nails are galvanized bolts with the diameter of 16mm and the length of 45 cm.
The breaker is an intelligent load switch, and can set breaking fixed value and breaking circuit with load.
The electric pole I, the electric pole II, the electric pole III and the electric pole IV are linear tension-resistant rods, the stay wires are left and right stay wires along a line, and the distance between the connecting section I, the connecting section II and the connecting section III is 10 meters.
The installation method of the 10kV line dual-power hand-in-hand connection structure adopts the power hand-in-hand connection structure and comprises the following steps:
the first step: selecting a flat ground, and standing the second electric pole, the third electric pole and the fourth electric pole one by one at a distance of 10 meters;
and a second step of: a second flower beam, a third flower beam and a fourth flower beam are respectively assembled on the second electric pole, the third electric pole and the fourth electric pole;
and a third step of: connecting one end of a third line with a transformer substation, and hanging the other end of the third line and one end of a fourth line on two sides of the flower beam respectively; the other end and the fifth end of the line are respectively hung on the three sides of the flower beam; hanging the other end of the line five and one end of the line six on the two sides of the flower beam four;
fourth step: the electric pole is provided with a first isolating switch and a second isolating switch respectively, the first isolating switch is connected with a third circuit and a fourth circuit through a first lead wire, and the second isolating switch is connected with a fifth circuit and a sixth circuit through a third lead wire;
fifth step: a breaker is arranged on the third pole and is connected with the fourth line and the fifth line through a second lead;
sixth step: erecting a first electric pole, assembling a first flower beam on the first electric pole, connecting a first circuit and a second circuit on two sides of the first flower beam respectively, connecting the first circuit with the other end of the sixth circuit, and connecting the second circuit with another transformer substation;
seventh step: enclosing galvanized iron plates into semicircular hoops, arranging mounting lugs on two side walls of each hoop, and punching two holes in each mounting lug;
eighth step: enclosing the galvanized round steel into a semicircle, and welding the galvanized round steel with the mounting lugs of the U-shaped anchor ear;
ninth step: processing a galvanized iron plate into a fan shape, riveting the galvanized iron plate with the anchor ear and the framework, and spraying warning slogans on one surface;
tenth step: the pole is climbed to a position of three meters, and two anchor bolts are fixed together by using penetrating nails.
The application method of the 10kV line dual-power hand-in-hand connection structure adopts the dual-power hand-in-hand connection structure and comprises the following steps:
when the circuit is in a normal running state, the isolating switch I on the electric pole II and the isolating switch II on the electric pole IV are in a pulling-off position, the circuit breaker is in a separating position, and the connection structure is in a disconnection state; at this time, the first line and the second line are in a connection state, and the first electric pole is not a dual-power pole;
when the line needs to be powered by a hand, a first isolating switch on the second electric pole and a second isolating switch on the fourth electric pole are positioned at a closing position, a circuit breaker is positioned at a closing position, a connecting structure is positioned in a connecting state, a bow line of a flower beam I at the upper end of the first electric pole is disconnected, the first line and the second line are in a disconnecting state, and then the first electric pole is a double-power-supply rod;
at this time, the staff climbs pole one, fixes two staple bolts together with the through-pin, prevents the mistake with the dual supply pole and climbs the structure and install.
The invention has the positive effects that: simple structure, connection convenient operation, three segmentation connection have not dual supply pole on the circuit when circuit normal operating condition, have prevented constructor's mistake and have climbed electrified pole tower's risk. When the circuit needs hand-in-hand contact power supply, the double-power pole of wire separation section is installed to the double-power pole and prevents the mistake from climbing the structure, can prevent effectively that climbing pole personnel from climbing upwards, has stopped the mistake and has stepped on the emergence that double-power pole tower caused the electric shock casualties accident, has played the intrinsically safe effect of preventing personal risk.
Drawings
FIG. 1 is a schematic diagram of a dual power segment architecture of the present invention;
FIG. 2 is a schematic diagram of a communication structure according to the present invention;
FIG. 3 is a schematic diagram of the overall structure of the present invention;
in the figure: the electric pole comprises a first electric pole 1, a first flower beam 2, a first line 3, a second line 4, a hoop 5, a framework 6, an iron plate 7, a warning sign 8, a penetrating nail 9, a second electric pole 10, a first stay wire 11, a second flower beam 12, an insulator 13, a first strain clamp 14, a third line 15, a fourth line 16, a first disconnecting switch 17, a first lead 18, a third electric pole 19, a second stay wire 20, a third flower beam 21, a second insulator 22, a second strain clamp 23, a circuit breaker 24, a second lead 25, a fourth electric pole 26, a third stay wire 27, a fourth flower beam 28, a third insulator 29, a third strain clamp 30, a fifth line 31, a sixth line 32, a second disconnecting switch 33 and a third lead 34.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
A10 kV line dual-power hand-in-hand connection structure consists of a connection structure and a dual-power segmentation structure, wherein the connection structure and the dual-power segmentation structure are connected with each other;
the contact structure comprises a first contact section, a second contact section and a third contact section;
the first connecting section comprises a second electric pole 10, a second flower beam 12, a first insulator 13, a first strain clamp 14, a third line 15, a fourth line 16, a first isolating switch 17 and a first lead 18; the top end of the second electric pole 10 is provided with a second flower beam 12, one end of the second flower beam 12 is provided with a third line 15, the other end of the second flower beam 12 is provided with a fourth line 16, the third line 15 is connected with a transformer substation, one end of a first disconnecting switch 17 is connected with the third line 15 through a first lead 18, and the other end of the disconnecting switch is connected with the fourth line 16 through the first lead 18;
the connecting section comprises a third electric pole 19, a third flower beam 21, a second insulator 22, a second strain clamp 23, a fifth circuit 31, a breaker 24 and a second lead 25; the top end of the electric pole III 19 is provided with a flower beam III 21, one end of the flower beam III 21 is connected with the line IV 16, the other end of the flower beam III 21 is provided with a line V31, one end of the circuit breaker 24 is connected with the line IV 16 through a lead II 25, and the other end of the circuit breaker 24 is connected with the line V31 through a lead II 25;
the third connecting section comprises a fourth electric pole 26, a fourth flower beam 28, a third insulator 29, a third strain clamp 30, a sixth line 32, a second isolating switch 33 and a third lead 34; the top end of the electric pole IV 26 is provided with a flower beam IV 28, one end of the flower beam IV 28 is connected with a line IV 31, the other end of the flower beam IV 28 is provided with a line VI 32, one end of the isolating switch II 33 is connected with the line IV 31 through a lead III 34, and the other end of the isolating switch II is connected with the line VI 32 through the lead III 34;
the dual-power-supply segmented structure comprises a lead separation section and a dual-power-supply rod anti-false climbing structure;
the wire separation section comprises a first electric pole 1, a first flower beam 2, a first circuit 3 and a second circuit 4, wherein the first flower beam 2 is arranged at the top end of the first electric pole 1, the first circuit 3 is arranged at one end of the first flower beam 2, the second circuit 4 is arranged at the other end of the first flower beam, the first circuit 3 is connected with the sixth circuit 32, and the second circuit 4 is connected with another transformer substation; the dual-power-supply-pole mistaken climbing prevention structure comprises two U-shaped hoops 5, two skeletons 6, two iron plates 7, two warning banners 8 and two through nails 9, wherein the two hoops 5 are fixed on a pole I1 through the through nails 9, the skeletons 6 are semicircular and are arranged on the outer sides of the hoops 5 in a surrounding mode, and two ends of each skeleton are welded on mounting lugs of the hoops 5 to form a semicircular main frame structure; the iron plate 7 is fan-shaped or semicircular, is matched and fixed in the semicircular main frame structure, and a warning slogan 8 is arranged below the iron plate 7.
The anchor ear 5 is a semicircular anchor ear and is formed by enclosing galvanized iron plates with the width of 5cm, the length of 925mm and the thickness of 0.5 cm.
The framework 6 is formed by enclosing galvanized round steel with the diameter of 12mm and the length of 1256 mm.
The iron plate 7 is made of a galvanized iron plate 1mm thick.
The penetrating nails 9 are galvanized bolts with the diameter of 16mm and the length of 45 cm.
The breaker 24 is an intelligent load switch, and can set breaking fixed value and breaking line with load.
The first pole 1, the second pole 10, the third pole 19 and the fourth pole 26 are linear tension-resistant poles, and the distance among the first connecting section, the second connecting section and the third connecting section is 10 meters.
The installation method of the 10kV line dual-power hand-in-hand connection structure adopts the power hand-in-hand connection structure and comprises the following steps:
the first step: selecting a flat ground between the two connecting wires, and standing the second pole 10, the third pole 19 and the fourth pole 26 one by one at a distance of 10 meters;
and a second step of: a second set of flower beam 12, a third flower beam 21 and a fourth flower beam 28 are respectively assembled on the second electric pole 10, the third electric pole 19 and the fourth electric pole 26, an insulator 13, an insulator 22 and an insulator 29 are respectively hung on two sides of the second flower beam 12, the third flower beam 21 and the fourth flower beam 28, and a first stay wire 11, a second stay wire 20 and a third stay wire 27 are respectively arranged on the second electric pole 10, the third electric pole 19 and the fourth electric pole 26;
and a third step of: one end of a third line 15 is connected with a transformer substation, and the other end of the third line 15 and one end of a fourth line 16 are respectively hung on a first insulator 13 on two sides of a second flower beam 12; the other end of the line IV 16 and one end of the line V31 are respectively hung on the insulators II 22 on the two sides of the flower beam III 21; the other end of the line five 31 and one end of the line six 32 are hung on the insulator three 29 on the two sides of the flower beam four 28;
fourth step: a first isolating switch 17 and a second isolating switch 33 are respectively arranged on the second electric pole 10 and the fourth electric pole 26, the first isolating switch 17 is connected with the third line 15 and the fourth line 16 through a first lead 18, and the second isolating switch 33 is connected with the fifth line 31 and the sixth line 32 through a third lead 34;
fifth step: a breaker 24 is arranged on the third pole 19, and the breaker 24 is connected with the fourth line 16 and the fifth line 31 through a second lead 25;
sixth step: erecting a first electric pole 1, assembling a first flower beam 2 on the first electric pole, connecting a first line 3 and a second line 4 on two sides of the first flower beam 2 respectively, connecting the first line 3 with the other end of a sixth line 32, and connecting the second line 4 with another transformer substation;
seventh step: a galvanized iron plate with the width of 5cm, the length of 925mm and the thickness of 0.5cm is enclosed into a hoop with the semi-circular arc diameter of 220mm, mounting lugs are arranged on two sides of the circular arc, and two holes with the diameter of 17mm are drilled on the mounting lugs;
eighth step: galvanized round steel with the diameter of 12mm and the length of 1256mm is enclosed into a semicircle and welded with the mounting lug of the U-shaped anchor ear 5;
ninth step: processing a galvanized iron plate with the thickness of 1mm into a fan shape, riveting the galvanized iron plate with the anchor ear 5 and the framework 6, and spraying a warning sign language 8 on one side;
tenth step: the pole is stepped on to a position of three meters, and two anchor bolts 5 are fixed together by using penetrating nails 9.
The application method of the 10kV line dual-power hand-in-hand connection structure adopts the dual-power hand-in-hand connection structure and comprises the following steps:
in the normal running condition of the circuit, the disconnecting switch I17 on the second electric pole 10 and the disconnecting switch II 33 on the fourth electric pole 26 are in the open position, the circuit breaker 24 is in the separated position, and the connection structure is in the open state; at the moment, the first line 3 and the second line 4 are in a connection state, and the first pole 1 is not a double-power pole, so that the risk of mistakenly climbing a live pole tower by a constructor is prevented;
when the line needs to be supplied with power by hand, a first disconnecting switch 17 on a second electric pole 10 and a second disconnecting switch 33 on a fourth electric pole 26 are positioned at a closing position, a circuit breaker 24 is positioned at a closing position, a connecting structure is positioned in a connecting state, a bow sub-line of a first flower beam 2 at the upper end of the first electric pole 1 is disconnected, a first line 3 and a second line 4 are in a disconnecting state, and the first electric pole 1 is a double-power-supply rod;
at this time, the staff climbs pole one 1, fixes two staple bolts 5 together with cross pin 9, prevents with the dual supply pole mistake and climbs the structure and install, has prevented constructor mistake and has climbed the risk of electrified shaft tower.
Claims (8)
1. The installation method of the 10kV line dual-power hand-in-hand connection structure is characterized by comprising the following steps of: the 10kV line dual-power hand-in-hand connection structure consists of a connection structure and a dual-power segmentation structure;
the contact structure comprises a first contact section, a second contact section and a third contact section;
the first connecting section comprises a second electric pole (10), a second flower beam (12), a third line (15), a fourth line (16), a first disconnecting switch (17) and a first lead (18); the top end of the electric pole II (10) is provided with a flower beam II (12), one end of the flower beam II (12) is provided with a line III (15), the other end of the flower beam II is provided with a line IV (16), the line III (15) is connected with a transformer substation, one end of a disconnecting switch I (17) is connected with the line III (15) through a lead I (18), and the other end of the disconnecting switch I is connected with the line IV (16) through the lead I (18);
the connecting section comprises an electric pole three (19), a flower beam three (21), a line five (31), a circuit breaker (24) and a lead two (25); the top end of the electric pole III (19) is provided with a flower beam III (21), one end of the flower beam III (21) is connected with a line IV (16), the other end of the flower beam III is provided with a line V (31), one end of the circuit breaker (24) is connected with the line IV (16) through a lead II (25), and the other end of the circuit breaker is connected with the line V (31) through the lead II (25);
the third connecting section comprises a fourth electric pole (26), a fourth flower beam (28), a sixth line (32), a second disconnecting switch (33) and a third lead (34); the top end of the electric pole IV (26) is provided with a flower beam IV (28), one end of the flower beam IV (28) is connected with a line IV (31), the other end of the flower beam IV is provided with a line VI (32), one end of a disconnecting switch II (33) is connected with the line IV (31) through a lead III (34), and the other end of the disconnecting switch II is connected with the line VI (32) through the lead III (34);
the dual-power-supply segmented structure comprises a lead separation section and a dual-power-supply rod anti-false climbing structure;
the wire separation section comprises a first electric pole (1), a first flower beam (2), a first circuit (3) and a second circuit (4), the first flower beam (2) is arranged at the top end of the first electric pole (1), the first circuit (3) is arranged at one end of the first flower beam (2), the second circuit (4) is arranged at the other end of the first flower beam (2), the first circuit (3) is connected with the sixth circuit (32), and the second circuit (4) is connected with another transformer substation; the dual-power-supply-pole anti-misoperation climbing structure comprises two U-shaped hoops (5), two frameworks (6), two iron plates (7), two warning targets (8) and two penetrating nails (9), wherein the two hoops (5) are fixed on a first electric pole (1) through the penetrating nails (9), the frameworks (6) are semicircular, are arranged on the outer side of the hoops (5) in a surrounding mode, and two ends of each framework are welded on mounting lugs of the hoops (5) to form a semicircular main frame structure; the iron plate (7) is fan-shaped or semicircular, is matched and fixed in the semicircular main frame structure, and a warning slogan (8) is arranged below the iron plate (7);
the installation steps are as follows:
the first step: selecting a flat ground, and standing the second electric pole (10), the third electric pole (19) and the fourth electric pole (26) one by one at intervals of 10 meters;
and a second step of: a second set of flower beams (12), a third flower beam (21) and a fourth flower beam (28) are respectively assembled on the second electric pole (10), the third electric pole (19) and the fourth electric pole (26);
and a third step of: one end of a third line (15) is connected with a transformer substation, and the other end of the third line (15) and one end of a fourth line (16) are respectively hung on two sides of a second flower beam (12); the other end of the line IV (16) and one end of the line V (31) are respectively hung on the two sides of the flower beam III (21); hanging the other end of the line five (31) and one end of the line six (32) on two sides of the flower beam four (28);
fourth step: a first disconnecting switch (17) and a second disconnecting switch (33) are respectively arranged on the second electric pole (10) and the fourth electric pole (26), the first disconnecting switch (17) is connected with the third circuit (15) and the fourth circuit (16) through a first lead (18), and the second disconnecting switch (33) is connected with the fifth circuit (31) and the sixth circuit (32) through a third lead (34);
fifth step: a breaker (24) is arranged on the pole III (19), and the breaker (24) is connected with a line IV (16) and a line V (31) through a lead II (25);
sixth step: erecting a first electric pole (1), assembling a first flower beam (2) on the first electric pole, connecting a first circuit (3) and a second circuit (4) on two sides of the first flower beam (2), connecting the first circuit (3) with the other end of a sixth circuit (32), and connecting the second circuit (4) with another transformer substation;
seventh step: enclosing galvanized iron plates into semicircular hoops, arranging mounting lugs on two side walls of each hoop, and punching two holes in each mounting lug;
eighth step: enclosing the galvanized round steel into a semicircle, and welding the galvanized round steel with the mounting lugs of the anchor ear (5);
ninth step: processing a galvanized iron plate into a fan shape, riveting the galvanized iron plate with the anchor ear (5) and the framework (6), and spraying a warning sign (8) on one side;
tenth step: the two anchor bolts (5) are fixed together by penetrating nails (9) when the electric pole is climbed to a position of one three meters.
2. The method for installing the 10kV line dual-power hand-in-hand connection structure according to claim 1, wherein the method comprises the following steps: the anchor ear (5) is a semicircular anchor ear and is formed by encircling galvanized iron plates with the width of 5cm, the length of 925mm and the thickness of 0.5 cm.
3. The method for installing the 10kV line dual-power hand-in-hand connection structure according to claim 1, wherein the method comprises the following steps: the framework (6) is formed by enclosing galvanized round steel with the diameter of 12mm and the length of 1256 mm.
4. The method for installing the 10kV line dual-power hand-in-hand connection structure according to claim 1, wherein the method comprises the following steps: the iron plate (7) is made of galvanized iron plate with the thickness of 1 mm.
5. The method for installing the 10kV line dual-power hand-in-hand connection structure according to claim 1, wherein the method comprises the following steps: the penetrating nails (9) are galvanized bolts with the diameter of 16mm and the length of 45 cm.
6. The method for installing the 10kV line dual-power hand-in-hand connection structure according to claim 1, wherein the method comprises the following steps: the breaker (24) is an intelligent load switch, and can set breaking fixed value and breaking circuits with load.
7. The method for installing the 10kV line dual-power hand-in-hand connection structure according to claim 1, wherein the method comprises the following steps: the electric pole I (1), the electric pole II (10), the electric pole III (19) and the electric pole IV (26) are linear tension-resistant rods, and the distance among the connecting section I, the connecting section II and the connecting section III is 10 meters.
8. The application method of the 10kV line dual-power hand-in-hand contact structure is characterized by comprising the following steps of: the 10kV line dual-power hand-in-hand connection structure consists of a connection structure and a dual-power segmentation structure;
the contact structure comprises a first contact section, a second contact section and a third contact section;
the first connecting section comprises a second electric pole (10), a second flower beam (12), a third line (15), a fourth line (16), a first disconnecting switch (17) and a first lead (18); the top end of the electric pole II (10) is provided with a flower beam II (12), one end of the flower beam II (12) is provided with a line III (15), the other end of the flower beam II is provided with a line IV (16), the line III (15) is connected with a transformer substation, one end of a disconnecting switch I (17) is connected with the line III (15) through a lead I (18), and the other end of the disconnecting switch I is connected with the line IV (16) through the lead I (18);
the connecting section comprises an electric pole three (19), a flower beam three (21), a line five (31), a circuit breaker (24) and a lead two (25); the top end of the electric pole III (19) is provided with a flower beam III (21), one end of the flower beam III (21) is connected with a line IV (16), the other end of the flower beam III is provided with a line V (31), one end of the circuit breaker (24) is connected with the line IV (16) through a lead II (25), and the other end of the circuit breaker is connected with the line V (31) through the lead II (25);
the third connecting section comprises a fourth electric pole (26), a fourth flower beam (28), a sixth line (32), a second disconnecting switch (33) and a third lead (34); the top end of the electric pole IV (26) is provided with a flower beam IV (28), one end of the flower beam IV (28) is connected with a line IV (31), the other end of the flower beam IV is provided with a line VI (32), one end of a disconnecting switch II (33) is connected with the line IV (31) through a lead III (34), and the other end of the disconnecting switch II is connected with the line VI (32) through the lead III (34);
the dual-power-supply segmented structure comprises a lead separation section and a dual-power-supply rod anti-false climbing structure;
the wire separation section comprises a first electric pole (1), a first flower beam (2), a first circuit (3) and a second circuit (4), the first flower beam (2) is arranged at the top end of the first electric pole (1), the first circuit (3) is arranged at one end of the first flower beam (2), the second circuit (4) is arranged at the other end of the first flower beam (2), the first circuit (3) is connected with the sixth circuit (32), and the second circuit (4) is connected with another transformer substation; the dual-power-supply-pole anti-misoperation climbing structure comprises two U-shaped hoops (5), two frameworks (6), two iron plates (7), two warning targets (8) and two penetrating nails (9), wherein the two hoops (5) are fixed on a first electric pole (1) through the penetrating nails (9), the frameworks (6) are semicircular, are arranged on the outer side of the hoops (5) in a surrounding mode, and two ends of each framework are welded on mounting lugs of the hoops (5) to form a semicircular main frame structure; the iron plate (7) is fan-shaped or semicircular, is matched and fixed in the semicircular main frame structure, and a warning slogan (8) is arranged below the iron plate (7);
the using steps are as follows:
when the circuit is in a normal running state, the disconnecting switch I (17) on the electric pole II (10) and the disconnecting switch II (33) on the electric pole IV (26) are in a pulling-off position, the circuit breaker (24) is in a separating position, and the connecting structure is in a disconnecting state; at this time, the first line (3) and the second line (4) are in a connection state, and the first electric pole (1) is not a dual-power pole;
when the line needs to be supplied with power by hand, a disconnecting switch I (17) on a pole II (10) and a disconnecting switch II (33) on a pole IV (26) are positioned at a closing position, a circuit breaker (24) is positioned at a closing position, a connecting structure is positioned in a connecting state, a bow line of a flower beam I (2) at the upper end of a pole I (1) is disconnected, a line I (3) and a line II (4) are positioned in a disconnected state, and then the pole I (1) is a double-power-supply pole;
at the moment, a worker climbs to the first electric pole (1), fixes the two anchor clamps (5) together by using the through nails (9), and installs the double-power-supply-pole anti-misoperation climbing structure.
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| CN109577734A (en) * | 2019-01-22 | 2019-04-05 | 吉林吉大通信设计院股份有限公司长春分院 | A kind of tower body bracing means and tubular structure tower |
| CN110323833B (en) * | 2019-07-03 | 2022-11-08 | 国网冀北电力有限公司唐山供电公司 | 10kV line dual-power hand-in-hand intelligent contact structure and method |
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