CN110011164A - A kind of 10KV large capacity overhead transmission line lead new Butt Method - Google Patents
A kind of 10KV large capacity overhead transmission line lead new Butt Method Download PDFInfo
- Publication number
- CN110011164A CN110011164A CN201910329502.1A CN201910329502A CN110011164A CN 110011164 A CN110011164 A CN 110011164A CN 201910329502 A CN201910329502 A CN 201910329502A CN 110011164 A CN110011164 A CN 110011164A
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- China
- Prior art keywords
- conducting wire
- transmission line
- overhead transmission
- insulator
- large capacity
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
-
- 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
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
Abstract
The invention discloses a kind of 10KV large capacity overhead transmission line lead new Butt Methods, comprising the following steps: S1: the preparation before docking；S2: conducting wire and parallel groove clamp pretreatment；S3: lead docking, lead are passed through parallel groove clamp, are connect lead, downlead with main traverse line transition respectively using parallel groove clamp, are not bound later together with insulator；Binding method includes bind method, fork-join method and crimping；The strict control of the present invention 10KV large capacity overhead transmission line lead new Butt Method, by being pre-processed to conductive line surfaces and parallel groove clamp slot, the oxidation film and burr of removal docking contact surface, can reduce contact resistance in docking, save the electric energy loss of overhead transmission line, conducting wire uses three kinds of binding methods, it can be selected according to different wire type and specification, docking is easy to use, and lead docking is firm, without stranded, twisting and dog leg, joint quality ensure that.
Description
Technical field
The present invention relates to overhead transmission line technical field, specially a kind of new side of 10KV large capacity overhead transmission line lead docking
Method.
Background technique
Overhead transmission line refers mainly to aerial line, is erected on ground, is to be fixed on transmission pressure uprightly with insulator
In the transmission line of electricity for transmitting electric energy on the shaft tower on ground.Set up and repair more convenient, cost is relatively low, but is easy by meteorology
Influence with environment (such as strong wind, lightning stroke, filth, ice and snow) and cause failure, while entire transmission of electricity corridor land occupation area
It is more, electromagnetic interference easily is caused to surrounding enviroment.The main component of overhead transmission line has: conducting wire and lightning conducter (aerial earth wire), bar
Tower, insulator, fitting, pole and tower foundation, bracing wire and earthing or grounding means etc..
For 10KV large capacity overhead transmission line when lead docks, the contact surface resistivity of traditional interconnection method is larger, leads to electricity
Energy loss ratio is more serious, and the stability and quality that dock also are difficult to ensure.
Summary of the invention
The purpose of the present invention is to provide a kind of 10KV large capacity overhead transmission line lead new Butt Methods, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: a kind of 10KV large capacity overhead transmission line lead docks
New method, comprising the following steps:
S1: insulator is installed in the preparation before docking at overhead transmission line lead docking location, and the insulator is mounted on iron
On cross-arm and form insulator chain, the insulator chain fair line direction and horizontal path direction can flexible rotating, it is specific to walk
It is rapid as follows:
The tip-tilted angle in iron cross arm end is 5-10 °；
The insulator is pin insulator, is vertically mounted on iron cross arm, and spring washer is arranged or uses double nut
It is fixed with anti-loose；
And/or the insulator be full porcelain-arm insulator, on iron cross arm install when install rubber sheet gasket additional, prevent because
Friction causes full porcelain-arm insulator surface damage.
S2: conducting wire and parallel groove clamp pretreatment, the specific steps are as follows:
A: by conductive line surfaces and parallel groove clamp slot metal burr and oxidation film dispose；
B: wiping clearly the greasy dirt in conductive line surfaces and parallel groove clamp slot on contact surface using absolute alcohol or acetone liquid, will be oily
It is dirty fully erased clean；
C: uniform coated with multiple layer electric force compounded grease on the contact surface, coating thickness 0.15-0.25mm, wherein every layer of electric power
Complex liped with a thickness of 0.8-0.1mm, the electric force compounded grease is composite conducting cream, and the electric force compounded grease makes the contact
The resistivity in face reduces 35-95%；
S3: lead docks in the slot of the parallel groove clamp, parallel groove clamp by lead, downlead respectively with conducting wire transition
Connection is not bound later together with the insulator；The lead of crossing is described for connecting terminal (or end) at two
For downlead for guiding ground connection, the conducting wire can select bind method, fork-join method, crimping according to different conductor model and specification
One of bound.
Preferably, in the step S2, the coating method of the electric force compounded grease is to precoat the conduction with wire brush
It is wiped on the contact surface of cream, then with the conductive paste on the applied contact surface of clean cotton yarn；The electric force compounded grease makes the contact
The temperature increase rate in face reduces 35-85%.
Preferably, the electric force compounded grease is to make base oil with mineral oil, synthesis lipid oil, silicone oil, is added conductive, anti-
Oxygen, anti-rotten, suppression arc additive, ground, dispersion, it is modified purified made of soft shape composite conducting cream.
Preferably, the bind method the following steps are included:
A: first by the connector of two conducting wires and good, bind length is 150-200mm；
B: use again with conducting wire with model single cord as wiring, wind from centre to two sides, when twining to the end and conducting wire
The end of a thread twists into plait ending；
C: it is finally that wire tail is curved good, prevent conducting wire to be drawn out.
Preferably, the fork-join method the following steps are included:
A: first 1/2 sequence of terminal length is dismantled and is straightened, the dirt on surface is removed, is made into the appearance of " umbrella frame "；
B: two umbrella frames being crossed one another every one and are inserted into bottom, the line being plugged is held together together, is compressed with electricians' plier, is used
With conducting wire, the same single cord is in mid-wrap 40-60mm, and wiring head, which is curved right angle, after complete draws close on conducting wire；
C: pushing down wiring head with the single cord of conducting wire itself again, and gradually winds to both ends, around complete after one, then with another
Remaining preceding strand tail is pressed in the following, continuing to wind, until around complete by strand head；
D: after last one twines the rooms at the sides of or facing the principal rooms, plait ending is twisted into the end of a thread that front is pushed down, connector coats neutral electricity after connecting
Power complex liped, to reduce the generation of oxidation film.
Preferably, the crimping the following steps are included:
A: it is sawed again after two terminals for preparing connection are tightened with wiring neat；
B: aluminium aluminium hydraulic pressed connecting pipe appropriate and pincers press mold are selected according to wire gauge；
C: the surface of aluminium crimping inside pipe wall and connection portion intraphase conductor is cleaned with gasoline, and applies one layer of electric power in conductive line surfaces
Complex liped；
D: the connector of two conducting wires of connection is penetrated in clamper tube, and terminal, which exposes pipe outer portion, cannot be less than
20mm, in the clamper tube of steel-cored aluminium strand, accompanying an aluminium backing between two conducting wires, increasing the attachment force of connector and making connector
Well；
E: extruding a certain number of pits by crimping sequence with Press Plier, and each load mould should have been pressed once, halfway cannot between
It is disconnected, it is different according to the model of conducting wire, extrude the load mould of different depth, crimping length 500-600mm.
Preferably, after being installed between the conducting wire and bracing wire, electric pole or framework of route when the lead docking of the step S3
Clearance is not less than 200mm.
Preferably, the parallel groove clamp quantity in the step S3 is no less than 2, and parallel groove clamp joint face is smooth, bright and clean.
Preferably, the conducting wire connection length of fork-join method is 200-300mm in the step S4, and sectional area of wire is less than
35mm2。
Preferably, the electric force compounded grease used is no less than one layer.
Compared with prior art, the beneficial effects of the present invention are: the strict control of the present invention 10KV large capacity overhead transmission line
Lead new Butt Method, by being pre-processed to conductive line surfaces and parallel groove clamp slot, the oxidation film of removal docking contact surface and
Burr can reduce contact resistance in docking, save the electric energy loss of overhead transmission line；Meanwhile conducting wire is using three kinds of bindings
Method can be selected according to different wire type and specification, and docking is easy to use, and lead docking is firm, without disconnected
Stock, twisting and dog leg, ensure that joint quality.
Detailed description of the invention
Fig. 1 is insulator scheme of installation of the invention；
Fig. 2 is that parallel groove clamp of the invention and lead dock schematic view of the front view；
Fig. 3 is that parallel groove clamp of the invention and lead dock overlooking structure diagram.
In figure: 1 electric pole, 2 cross-arms, 3 insulators, 4 parallel groove clamps, 5 conducting wires, 6 leads.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
As shown in Figure 1, several insulators 3 are mounted on the scheme of installation on the cross-arm 2 of 1 upper end of electric pole, the insulator 3
For pin insulator or (complete) porcelain-arm insulator, for fixing conducting wire in high-tension overhead line, conducting wire is bound using binding, is made
It is fixed in the slot of insulator end, and makes to keep insulation between conducting wire and conducting wire, conducting wire and cross-arm, conducting wire and electric pole；It is described
Cross-arm 2 is wood, iron cross arm, for installing insulator, fixed switchgear, reactor and arrester etc., with enough machinery
Intensity and length.
As Figure 2-3, the connection schematic diagram of parallel groove clamp 4 and conducting wire 5 and lead 6, the parallel groove clamp 4 are non-bearing
Splicing fitting, for docking for lead and conducting wire.
Embodiment 1
A kind of 10KV large capacity overhead transmission line lead new Butt Method, comprising the following steps:
S1: insulator is installed in the preparation before docking at overhead transmission line lead docking location, and the insulator is mounted on iron
On cross-arm and form insulator chain, the insulator chain fair line direction and horizontal path direction can flexible rotating, it is specific to walk
It is rapid as follows:
The tip-tilted angle in iron cross arm end is 5 °, prevents conducting wire or lead from slipping；
The insulator is pin insulator, is vertically mounted on iron cross arm, and spring washer is arranged or uses double nut
It is fixed with anti-loose；
And/or the insulator be full porcelain-arm insulator, on iron cross arm install when install rubber sheet gasket additional, prevent because
Friction causes full porcelain-arm insulator surface damage.
S2: conducting wire and parallel groove clamp pretreatment, the specific steps are as follows:
A: by conductive line surfaces and parallel groove clamp slot metal burr and oxidation film dispose；
B: wiping clearly the greasy dirt in conductive line surfaces and parallel groove clamp slot on contact surface using absolute alcohol or acetone liquid, will be oily
It is dirty fully erased clean；
C: coating two layers of electric force compounded grease on the contact surface, is wiped on the contact surface of pre- coating conductive paste with wire brush, then
With the conductive paste on the applied contact surface of clean cotton yarn, electric force compounded grease with a thickness of 0.16mm；
S3: lead docks in the slot of the parallel groove clamp, parallel groove clamp by lead, downlead respectively with conducting wire transition
Connection is not bound later together with the insulator；The lead of crossing is described for connecting terminal (or end) at two
For downlead for guiding ground connection, the conducting wire can select bind method, fork-join method, crimping according to different conductor model and specification
One of bound.
A: bind method, steps are as follows:
A: first by the connector of two conducting wires and good, bind length is 150mm；
B: use again with conducting wire with model single cord as wiring, wind from centre to two sides, when twining to the end and conducting wire
The end of a thread twists into plait ending；
C: it is finally that wire tail is curved good, prevent conducting wire to be drawn out；
B: fork-join method, steps are as follows:
A: first 1/2 sequence of terminal length is dismantled and is straightened, the dirt on surface is removed, is made into the appearance of " umbrella frame "；
B: two umbrella frames being crossed one another every one and are inserted into bottom, the line being plugged is held together together, is compressed with electricians' plier, is used
With conducting wire, the same single cord is in mid-wrap 40mm, and wiring head, which is curved right angle, after complete draws close on conducting wire；
C: pushing down wiring head with the single cord of conducting wire itself again, and gradually winds to both ends, around complete after one, then with another
Remaining preceding strand tail is pressed in the following, continuing to wind, until around complete by strand head；
D: after last one twines the rooms at the sides of or facing the principal rooms, plait ending is twisted into the end of a thread that front is pushed down, connector coats neutral electricity after connecting
Power complex liped, to reduce the generation of oxidation film；
C: crimping, steps are as follows:
A: it is sawed again after two connectors for preparing connection are tightened with wiring neat；
B: aluminium aluminium hydraulic pressed connecting pipe appropriate and pincers press mold are selected according to wire gauge；
C: the surface of aluminium crimping inside pipe wall and connection portion intraphase conductor is cleaned with gasoline, and applies one layer of electric power in conductive line surfaces
Complex liped；
D: the connector of two conducting wires of connection is penetrated in clamper tube, and terminal, which exposes pipe outer portion, cannot be less than
20mm, in the clamper tube of steel-cored aluminium strand, accompanying an aluminium backing between two conducting wires, increasing the attachment force of connector and making connector
Well；
E: extruding a certain number of pits by crimping sequence with Press Plier, and each load mould should have been pressed once, halfway cannot between
It is disconnected, it is different according to the model of conducting wire, extrude the load mould of different depth, crimping length 500-600mm.
Wherein, net after being installed between the conducting wire and bracing wire, electric pole or framework of route when the lead docking of the step S3
Ullage is from not less than 200mm；
Parallel groove clamp quantity is no less than 2 in the step S3, and parallel groove clamp joint face is smooth, bright and clean；
The conducting wire connection length of the fork-join method is 200mm, and sectional area of wire is less than 35mm2；
The electric force compounded grease makes the resistivity of the contact surface reduce by 35% (the electric force compounded grease contact resistance
Reduced rate be 35%), the electric force compounded grease make the contact surface temperature increase rate reduce by 35% (drop temperature rise rate be
35%), the electric force compounded grease is conductive paste, makees base oil with mineral oil, synthesis lipid oil, silicone oil, be added conduction, antioxygen,
Anti- rotten, suppression arc additive, ground, dispersion, it is modified purified made of soft shape conductive paste.
Embodiment 2
A kind of 10KV large capacity overhead transmission line lead new Butt Method, comprising the following steps:
S1: insulator is installed in the preparation before docking at overhead transmission line lead docking location, and the insulator is mounted on iron
On cross-arm and form insulator chain, the insulator chain fair line direction and horizontal path direction can flexible rotating, it is specific to walk
It is rapid as follows:
The tip-tilted angle in iron cross arm end is 7.5 °, prevents conducting wire or lead from slipping；
The insulator is pin insulator, is vertically mounted on iron cross arm, and spring washer is arranged or uses double nut
It is fixed with anti-loose；
And/or the insulator be full porcelain-arm insulator, on iron cross arm install when install rubber sheet gasket additional, prevent because
Friction causes full porcelain-arm insulator surface damage.
S2: conducting wire and parallel groove clamp pretreatment, the specific steps are as follows:
A: by conductive line surfaces and parallel groove clamp slot metal burr and oxidation film dispose；
B: the greasy dirt in conductive line surfaces and parallel groove clamp slot contact surface is wiped clearly using absolute alcohol or acetone liquid, by greasy dirt
It is fully erased clean；
C: coating two layers of electric force compounded grease on the contact surface, is wiped on the contact surface of pre- coating conductive paste with wire brush, then
With the conductive paste on the applied contact surface of clean cotton yarn, electric force compounded grease with a thickness of 0.2mm；
S3: lead docks in the slot of the parallel groove clamp, parallel groove clamp by lead, downlead respectively with conducting wire transition
Connection is not bound later together with the insulator；The lead of crossing is described for connecting terminal (or end) at two
For downlead for guiding ground connection, the conducting wire can select bind method, fork-join method, crimping according to different conductor model and specification
One of bound.
A: bind method, steps are as follows:
A: first by the connector of two conducting wires and good, bind length is 175mm；
B: use again with conducting wire with model single cord as wiring, wind from centre to two sides, when twining to the end and conducting wire
The end of a thread twists into plait ending；
C: it is finally that wire tail is curved good, prevent conducting wire to be drawn out；
B: fork-join method, steps are as follows:
A: first 1/2 sequence of terminal length is dismantled and is straightened, the dirt on surface is removed, is made into the appearance of " umbrella frame "；
B: two umbrella frames being crossed one another every one and are inserted into bottom, the line being plugged is held together together, is compressed with electricians' plier, is used
With conducting wire, the same single cord is in mid-wrap 50mm, and wiring head, which is curved right angle, after complete draws close on conducting wire；
C: pushing down wiring head with the single cord of conducting wire itself again, and gradually winds to both ends, around complete after one, then with another
Remaining preceding strand tail is pressed in the following, continuing to wind, until around complete by strand head；
D: after last one twines the rooms at the sides of or facing the principal rooms, plait ending is twisted into the end of a thread that front is pushed down, connector coats neutral electricity after connecting
Power complex liped, to reduce the generation of oxidation film；
C: crimping, steps are as follows:
A: it is sawed again after two connectors for preparing connection are tightened with wiring neat；
B: aluminium aluminium hydraulic pressed connecting pipe appropriate and pincers press mold are selected according to wire gauge；
C: the surface of aluminium crimping inside pipe wall and connection portion intraphase conductor is cleaned with gasoline, and applies one layer of electric power in conductive line surfaces
Complex liped；
D: the connector of two conducting wires of connection is penetrated in clamper tube, and terminal, which exposes pipe outer portion, cannot be less than
20mm, in the clamper tube of steel-cored aluminium strand, accompanying an aluminium backing between two conducting wires, increasing the attachment force of connector and making connector
Well；
E: extruding a certain number of pits by crimping sequence with Press Plier, and each load mould should have been pressed once, halfway cannot between
It is disconnected, it is different according to the model of conducting wire, extrude the load mould of different depth, crimping length 500-600mm.
Wherein, net after being installed between the conducting wire and bracing wire, electric pole or framework of route when the lead docking of the step S3
Ullage is from not less than 200mm；
Parallel groove clamp quantity is no less than 2 in the step S3, and parallel groove clamp joint face is smooth, bright and clean；
The conducting wire connection length of the fork-join method is 250mm, and sectional area of wire is less than 35mm2；
The reduced rate of the electric force compounded grease contact resistance is 65%, and drop temperature rise rate is 60%, and the electric force compounded grease is
Conductive paste makees base oil with mineral oil, synthesis lipid oil, silicone oil, conduction, antioxygen, anti-rotten, suppression arc additive is added, through grinding
Soft shape conductive paste made of grinding, dispersing, is modified purified.
Embodiment 3
A kind of 10KV large capacity overhead transmission line lead new Butt Method, comprising the following steps:
S1: insulator is installed in the preparation before docking at overhead transmission line lead docking location, and the insulator is mounted on iron
On cross-arm and form insulator chain, the insulator chain fair line direction and horizontal path direction can flexible rotating, it is specific to walk
It is rapid as follows:
The tip-tilted angle in iron cross arm end is 10 °, prevents conducting wire or lead from slipping；
The insulator is pin insulator, is vertically mounted on iron cross arm, and spring washer is arranged or uses double nut
It is fixed with anti-loose；
And/or the insulator be full porcelain-arm insulator, on iron cross arm install when install rubber sheet gasket additional, prevent because
Friction causes full porcelain-arm insulator surface damage.
S2: conducting wire and parallel groove clamp pretreatment, the specific steps are as follows:
A: by conductive line surfaces and parallel groove clamp slot metal burr and oxidation film dispose；
B: the greasy dirt in conductive line surfaces and parallel groove clamp slot contact surface is wiped clearly using absolute alcohol or acetone liquid, by greasy dirt
It is fully erased clean；
C: coating three layers of electric force compounded grease on the contact surface, is wiped on the contact surface of pre- coating conductive paste with wire brush, then
With the conductive paste on the applied contact surface of clean cotton yarn, electric force compounded grease with a thickness of 0.25mm；
S3: lead docks in the slot of the parallel groove clamp, parallel groove clamp by lead, downlead respectively with conducting wire transition
Connection is not bound later together with the insulator；The lead of crossing is described for connecting terminal (or end) at two
For downlead for guiding ground connection, the conducting wire can select bind method, fork-join method, crimping according to different conductor model and specification
One of bound.
A: bind method, steps are as follows:
A: first by the connector of two conducting wires and good, bind length is 200mm；
B: use again with conducting wire with model single cord as wiring, wind from centre to two sides, when twining to the end and conducting wire
The end of a thread twists into plait ending；
C: it is finally that wire tail is curved good, prevent conducting wire to be drawn out；
B: fork-join method, steps are as follows:
A: first 1/2 sequence of terminal length is dismantled and is straightened, the dirt on surface is removed, is made into the appearance of " umbrella frame "；
B: two umbrella frames being crossed one another every one and are inserted into bottom, the line being plugged is held together together, is compressed with electricians' plier, is used
With conducting wire, the same single cord is in mid-wrap 60mm, and wiring head, which is curved right angle, after complete draws close on conducting wire；
C: pushing down wiring head with the single cord of conducting wire itself again, and gradually winds to both ends, around complete after one, then with another
Remaining preceding strand tail is pressed in the following, continuing to wind, until around complete by strand head；
D: after last one twines the rooms at the sides of or facing the principal rooms, plait ending is twisted into the end of a thread that front is pushed down, connector coats neutral electricity after connecting
Power complex liped, to reduce the generation of oxidation film；
C: crimping, steps are as follows:
A: it is sawed again after two connectors for preparing connection are tightened with wiring neat；
B: aluminium aluminium hydraulic pressed connecting pipe appropriate and pincers press mold are selected according to wire gauge；
C: the surface of aluminium crimping inside pipe wall and connection portion intraphase conductor is cleaned with gasoline, and applies one layer of electric power in conductive line surfaces
Complex liped；
D: the connector of two conducting wires of connection is penetrated in clamper tube, and terminal, which exposes pipe outer portion, cannot be less than
20mm, in the clamper tube of steel-cored aluminium strand, accompanying an aluminium backing between two conducting wires, increasing the attachment force of connector and making connector
Well；
E: extruding a certain number of pits by crimping sequence with Press Plier, and each load mould should have been pressed once, halfway cannot between
It is disconnected, it is different according to the model of conducting wire, extrude the load mould of different depth, crimping length 500-600mm.
Wherein, net after being installed between the conducting wire and bracing wire, electric pole or framework of route when the lead docking of the step S3
Ullage is from not less than 200mm；
Parallel groove clamp quantity is no less than 2 in the step S3, and parallel groove clamp joint face is smooth, bright and clean；
The conducting wire connection length of the fork-join method is 300mm, and sectional area of wire is less than 35mm2；
The reduced rate of the electric force compounded grease contact resistance is 95%, and drop temperature rise rate is 85%, and the electric force compounded grease is
Conductive paste makees base oil with mineral oil, synthesis lipid oil, silicone oil, conduction, antioxygen, anti-rotten, suppression arc additive is added, through grinding
Soft shape conductive paste made of grinding, dispersing, is modified purified.
In a kind of 10KV large capacity overhead transmission line lead new Butt Method of the invention, the bind of binding method corresponding lead
Or fork-join length and specific embodiment data are as follows:
In summary: the strict control of the present invention 10KV large capacity overhead transmission line lead new Butt Method, by conducting wire
Surface and parallel groove clamp slot are pre-processed, and the oxidation film and burr of removal docking contact surface can reduce contact in docking
Resistance has saved the electric energy loss of overhead transmission line, and conducting wire uses three kinds of binding methods, can be according to different wire types and rule
Lattice are selected, and docking is easy to use, and lead docking is firm, without stranded, twisting and dog leg, ensure that joint quality.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of 10KV large capacity overhead transmission line lead new Butt Method, it is characterised in that: the following steps are included:
S1: insulator is installed in the preparation before docking at overhead transmission line lead docking location, and the insulator is mounted on iron cross arm
Insulator chain is gone up and is formed, the insulator chain can flexible rotating in fair line direction and horizontal path direction；
S2: conducting wire and parallel groove clamp pretreatment, the specific steps are as follows:
A: by conductive line surfaces and parallel groove clamp slot metal burr and oxidation film dispose；
B: using absolute alcohol or acetone liquid gently wipe conductive line surfaces and its with the greasy dirt on contact surface in parallel groove clamp slot, will be oily
It is dirty fully erased clean；
C: uniform coated with multiple layer electric force compounded grease, coating thickness 0.15-0.25mm on the contact surface, wherein every layer of electric power is compound
Rouge with a thickness of 0.8-0.1mm, the electric force compounded grease is composite conducting cream, and the electric force compounded grease makes the contact surface
Resistivity reduces 35-95%；
S3: lead docks in the slot of the parallel groove clamp, and parallel groove clamp connects lead, downlead with conducting wire transition respectively
Connect, do not bound later with the insulator together, the conducting wire can be selected according to different conductor model and specification bind method,
One of fork-join method, crimping are bound.
2. a kind of 10KV large capacity overhead transmission line lead new Butt Method according to claim 1, it is characterised in that:
In the step S1, the tip-tilted angle in iron cross arm end is 5-10 °；
The insulator is pin insulator, is vertically mounted on iron cross arm, and spring washer is arranged or is carried out using double nut
It is fixed against and loosens；
And/or the insulator is full porcelain-arm insulator, installs rubber sheet gasket additional when installing on iron cross arm, is prevented because of friction
Cause full porcelain-arm insulator surface damage.
3. a kind of 10KV large capacity overhead transmission line lead new Butt Method according to claim 1 or 2, it is characterised in that:
In the step S2, the coating method of the electric force compounded grease is, with wire brush in the contact surface for precoating the conductive paste
Upper wiping, then with the conductive paste on the applied contact surface of clean cotton yarn；
The electric force compounded grease makes the temperature increase rate of the contact surface reduce 35-85%.
4. a kind of 10KV large capacity overhead transmission line lead new Butt Method according to claim 1-3, feature
It is:
In the step S2, the electric force compounded grease is to make base oil with mineral oil, synthesis lipid oil, silicone oil, is added conductive, anti-
Oxygen, anti-rotten, suppression arc additive, ground, dispersion, it is modified purified made of soft shape composite conducting cream.
5. a kind of 10KV large capacity overhead transmission line lead new Butt Method according to claim 1-4, feature
It is:
The bind method the following steps are included:
A: first by the connector of two conducting wires and good, bind length is 150-200mm；
B: use again with conducting wire with model single cord as wiring, wound from centre to two sides, when twining to the end and the end of a thread of conducting wire
Twist into plait ending；
C: it is finally that wire tail is curved good, prevent conducting wire to be drawn out.
6. a kind of 10KV large capacity overhead transmission line lead new Butt Method according to claim 1-4, feature
It is:
The fork-join method the following steps are included:
A: first 1/2 sequence of terminal length is dismantled and is straightened, the dirt on surface is removed, is made into the appearance of " umbrella frame "；
B: two umbrella frames being crossed one another every one and are inserted into bottom, the line being plugged is held together together, is compressed with electricians' plier, is led with same
Wiring head is curved right angle after complete and drawn close on conducting wire in mid-wrap 40-60mm by the same single cord of line；
C: pushing down wiring head with the single cord of conducting wire itself again, and gradually winds to both ends, around complete after one, then with another strand
Remaining preceding strand tail is pressed in the following, continuing to wind, until around complete by head；
D: after last one twines the rooms at the sides of or facing the principal rooms, plait ending is twisted into the end of a thread that front is pushed down, connector coats neutral electric power after connecting multiple
Rouge is closed, to reduce the generation of oxidation film.
7. a kind of 10KV large capacity overhead transmission line lead new Butt Method according to claim 1-4, feature
It is:
The crimping the following steps are included:
A: it is sawed again after two terminals for preparing connection are tightened with wiring neat；
B: aluminium aluminium hydraulic pressed connecting pipe appropriate and pincers press mold are selected according to wire gauge；
C: the surface of aluminium crimping inside pipe wall and connection portion intraphase conductor is cleaned with gasoline, and compound in conductive line surfaces one layer of electric power of painting
Rouge；
D: the connector of two conducting wires of connection is penetrated in clamper tube, and terminal, which exposes pipe outer portion, cannot be less than 20mm, is used
In the clamper tube of steel-cored aluminium strand, an aluminium backing is accompanied between two conducting wires, is increased the attachment force of connector and is kept connector good；
E: a certain number of pits are extruded by crimping sequence with Press Plier, each load mould should have been pressed once, cannot be interrupted halfway, root
It is different according to the model of conducting wire, extrude the load mould of different depth, crimping length 500-600mm.
8. a kind of 10KV large capacity overhead transmission line lead new Butt Method according to claim 1-4, feature
It is:
Clearance after installing between the conducting wire and bracing wire, electric pole or framework of route when the lead docking of the step S3 is not small
In 200mm.
9. a kind of 10KV large capacity overhead transmission line lead new Butt Method according to claim 1-4, feature
It is:
The quantity of parallel groove clamp is no less than 2 in the step S3, and the joint face of parallel groove clamp is smooth, bright and clean.
10. a kind of 10KV large capacity overhead transmission line lead new Butt Method according to claim 6, it is characterised in that:
The conducting wire connection length of the fork-join method is 200-300mm, and sectional area of wire is less than 35mm2。
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| CN201910329502.1A CN110011164B (en) | 2019-04-24 | 2019-04-24 | Novel 10kV high-capacity overhead line lead butt joint method |
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| CN110011164B CN110011164B (en) | 2020-06-09 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463242A (en) * | 1994-05-03 | 1995-10-31 | General Electric Company | Thin film circuits with high density connector |
| CN101546669A (en) * | 2009-04-28 | 2009-09-30 | 徐殿成 | Method and device for connecting drop switch leads of 10kv transformer |
| CN202872259U (en) * | 2012-11-06 | 2013-04-10 | 湖南省电力公司长沙电业局 | Branching line support frame for replacement of isolating switch in 10 kV distribution line |
| CN103280744A (en) * | 2013-05-09 | 2013-09-04 | 国家电网公司 | Method for temporarily wiring 35kV medium voltage cables for narrow space |
| CN104682276A (en) * | 2013-12-03 | 2015-06-03 | 国家电网公司 | Electrified drainage wire disconnection method, connection device and power drainage wire |
| CN104752848A (en) * | 2015-04-14 | 2015-07-01 | 国家电网公司 | High-current live down lead component of overhead line and operating mechanism of high-current live down lead component |
| CN204481402U (en) * | 2015-04-14 | 2015-07-15 | 国家电网公司 | The charged downlead component of overhead transmission line small area analysis and operating mechanism thereof |
| CN105428828A (en) * | 2015-12-24 | 2016-03-23 | 国家电网公司 | High-stability H-type cable clamp and electrical connecting and crimping method for non-tension lines |
| CN105680262A (en) * | 2016-03-09 | 2016-06-15 | 国家电网公司 | Connection structure for aerial optical fiber composite phase line and conventional wire and circuit connection method |
| DE102015120824A1 (en) * | 2015-12-01 | 2017-06-01 | Hesse Gmbh | Operating method for an ultrasonic wire bonder |
-
2019
- 2019-04-24 CN CN201910329502.1A patent/CN110011164B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463242A (en) * | 1994-05-03 | 1995-10-31 | General Electric Company | Thin film circuits with high density connector |
| CN101546669A (en) * | 2009-04-28 | 2009-09-30 | 徐殿成 | Method and device for connecting drop switch leads of 10kv transformer |
| CN202872259U (en) * | 2012-11-06 | 2013-04-10 | 湖南省电力公司长沙电业局 | Branching line support frame for replacement of isolating switch in 10 kV distribution line |
| CN103280744A (en) * | 2013-05-09 | 2013-09-04 | 国家电网公司 | Method for temporarily wiring 35kV medium voltage cables for narrow space |
| CN104682276A (en) * | 2013-12-03 | 2015-06-03 | 国家电网公司 | Electrified drainage wire disconnection method, connection device and power drainage wire |
| CN104752848A (en) * | 2015-04-14 | 2015-07-01 | 国家电网公司 | High-current live down lead component of overhead line and operating mechanism of high-current live down lead component |
| CN204481402U (en) * | 2015-04-14 | 2015-07-15 | 国家电网公司 | The charged downlead component of overhead transmission line small area analysis and operating mechanism thereof |
| DE102015120824A1 (en) * | 2015-12-01 | 2017-06-01 | Hesse Gmbh | Operating method for an ultrasonic wire bonder |
| CN105428828A (en) * | 2015-12-24 | 2016-03-23 | 国家电网公司 | High-stability H-type cable clamp and electrical connecting and crimping method for non-tension lines |
| CN105680262A (en) * | 2016-03-09 | 2016-06-15 | 国家电网公司 | Connection structure for aerial optical fiber composite phase line and conventional wire and circuit connection method |
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| Publication number | Publication date |
|---|---|
| CN110011164B (en) | 2020-06-09 |
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