CN105846382A - Full-insulated 35kV cable climbing pole device - Google Patents
Full-insulated 35kV cable climbing pole device Download PDFInfo
- Publication number
- CN105846382A CN105846382A CN201610374599.4A CN201610374599A CN105846382A CN 105846382 A CN105846382 A CN 105846382A CN 201610374599 A CN201610374599 A CN 201610374599A CN 105846382 A CN105846382 A CN 105846382A
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- Prior art keywords
- cable
- insulating boot
- bound edge
- cross
- section
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Insulators (AREA)
Abstract
The invention relates to a full-insulated 35kV cable climbing pole device. The full-insulated 35kV cable climbing pole device comprises an electric pole and a three-phase cable; the three-phase cable is fixedly arranged on the electric pole in a bridging manner through a strain clamp covered by a strain clamp insulation cover; a cross arm bracket of the lower lead of the three-phase cable is arranged on the electric pole; the cross arm bracket comprises a cross arm insulator; the lower lead of the three-phase cable sleeved by an insulation sleeve is in lap joint through the cross arm insulator and electrically connected with a cross-umbrella type cable joint covered by a cable joint insulation cover; the insulation sleeve comprises a plurality of insulation sleeve units connected end to end; a transverse arrester is arranged on the electric pole over the cross-umbrella type cable joint; the transverse arrester comprises a grounding end of the arrester and a high-voltage end of the arrester covered by an arrester insulation cover; and a grounding suspension ring covered by a grounding suspension ring insulation cover is arranged on the upper lead of the cross-umbrella type cable joint. According to the full-insulated 35kV cable climbing pole device disclosed by the invention, the insulation safety of a high-voltage circuit is improved in a manner of covering the insulation covers on the high-voltage circuit; and the full-insulated 35kV cable climbing pole device has the characteristics of being full-insulated in circuit and high in high-voltage power transmission insulation safety.
Description
Technical field
The present invention relates to a kind of 35kV cable rod rising device, particularly to a kind of all insulation 35kV cable
Rod rising device, belongs to high tension cable rod rising device field.
Background technology
35kV overhead transmission line is vast in territory, conveying power is big, is the backbone of distribution transmission of electricity.Due to
35kV electric pressure wire rated voltage is high, uses 10kV insulated conductor manufacturing process naked as same
Conductive line surfaces adds insulating barrier, and wire weight will be doubled and redoubled, cause electric transmission line isolator bending strength,
Electric pole tensile strength synchronizes to be doubled and redoubled, thus causes current overhead transmission line line structure to carry
State.Just because of above many reasons, so up to the present, whole nation 35kV and above transmission of electricity frame
Ceases to be busy road the most still uses bare conductor.Along with Rural Urbanization Construction constantly advances, former 35kV makes somebody a mere figurehead defeated
Electric line branch now a large amount of road capital constructions, construction site and skyscraper, thus cause in recent years
Due to the collision 35kV overhead bare conductor such as construction equipment, high-rise parabolic, kite, balloon cause electric shock,
The accident of the impact person such as short circuit, tripping operation and transmission of electricity safety happens occasionally.Pacify to people's lives and electrical network
Entirely bring significant damage.
At present, 35kV cable is stepped on bar conventional equipment structure and is: masthead is upper ground wire, is the most down three
Phase overhead bare conductor, exposed lower lead-in wire, cross-arm support, insulator, spark gap and mounting platform thereof and
Buried cable splices fixed mount.Electric power is transmitted from mains side by three-phase overhead bare conductor, passes through
Wire clamp, exposed lower lead-in wire are connected to cable connector, buried cable, are finally transported to user.In order to really
Protecting power supply safety, centre must be supported with insulator plays insulation and interconnection function, also must simultaneously
Must configure spark gap, pre-anti-overvoltage plays the infringement of cable over the ground.In terms of this organization plan, 35kV electricity
The connected mode that cable is stepped between bar overhead transmission line and buried cable belongs to unenclosed construction.This open type electricity
It is relatively near that cable rod rising device is liftoff, and this traditional structure is for high-rise parabolic, kite, balloon, Serpentis class etc.
Protective capacities poor, also easily cause the binding post of exposed lower lead-in wire and common pole type lightning protection device because of
Foreign body short and cause short circuit tripping operation, thus affect the safe and reliable operation of transmission line of electricity, and due to
Article one, 35kV overhead transmission line need to be transmitted electricity to a plurality of 10kV transmission line of electricity, so an once 35kV
The impaired meeting of transmission line of electricity causes social and economic extreme influence.
Summary of the invention
All insulation 35kV cable rod rising device of the present invention discloses new scheme, uses at high-tension line
The mode of insulating boot of setting upper bag improves the insulation safety of high-tension line, solves existing 35kV and makes somebody a mere figurehead
Circuit uses bare conductor unenclosed construction insulation safety poor, the problem easily sending out security incident.
All insulation 35kV cable rod rising device of the present invention includes electric pole and threephase cable, and threephase cable leads to
Crossing strain clamp fixed mount to be located on electric pole, on strain clamp, bag is provided with strain clamp insulating boot, electric pole
Upper end to lower end be sequentially provided with under threephase cable lead-in wire cross-arm support, cross-arm support includes that cross-arm is exhausted
Edge and cross-arm pony sill, cross-arm pony sill is fixed on electric pole, and cross arm insulator is fixed at the bottom of cross-arm
On mounting, go between under threephase cable and electrically connected with across umbellate form cable connector by cross arm insulator overlap joint,
Electrically connect with load end cable across umbellate form cable connector, under threephase cable, on lead-in wire, be arranged with insulated sleeve,
Insulated sleeve includes the insulated sleeve unit of some tandem arrays, is provided with cable across umbellate form cable connector bag
Splice insulation cover, the electric pole above umbellate form cable connector is provided with pressure-bearing type support for installation of lighning arrestor,
Pressure-bearing type support for installation of lighning arrestor is provided with and the pressure-bearing type spark gap going between corresponding under threephase cable, horizontal
The formula spark gap of putting includes arrester ground end and spark gap high-pressure side, and pressure-bearing type spark gap passes through spark gap
Earth terminal and pressure-bearing type support for installation of lighning arrestor form pressure-bearing type spark gap and put shape from horizontal state to hanging down
The rotation of state can fasten hinged, and the outside cladding of spark gap high-pressure side is provided with lightning arrester insulation cover, horizontal
Formula spark gap is electrically connected to form and across umbellate form cable with lead-in wire under threephase cable by spark gap high-pressure side
The electric connection mode that joint is in parallel, goes between on umbellate form cable connector and is provided with ground connection link, ground connection
On link, bag is provided with ground connection link insulating boot.
All insulation 35kV cable rod rising device of the present invention uses bag on high-tension line to set the side of insulating boot
Formula improves the insulation safety of high-tension line, has circuit all insulation, high voltage power transmission insulation safety performance
High feature.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of all insulation 35kV cable rod rising device of the present invention.
Fig. 2 is the schematic diagram of insulated sleeve.
Fig. 2-1 is the first linkage section A-A generalized section of insulated sleeve in Fig. 2.
Fig. 2-2 is the casing section B-B generalized section of insulated sleeve in Fig. 2.
Fig. 2-3 is the tail linkage section C-C generalized section of insulated sleeve in Fig. 2.
Fig. 3 is the cross-sectional schematic under lightning arrester insulation cover confined state.
Fig. 3-1 is the schematic diagram in Fig. 3 under lightning arrester insulation cover modified model confined state.
Fig. 3-2 is A-A generalized section under lightning arrester insulation cover modified model confined state in Fig. 3-1.
Fig. 4 is the cross-sectional schematic under strain clamp insulating boot confined state.
Fig. 4-1 is A-A generalized section under strain clamp insulating boot confined state in Fig. 4.
Fig. 5 is the cross-sectional schematic under cable connector insulating boot confined state.
Fig. 5-1 is A-A generalized section under cable connector insulating boot confined state in Fig. 5.
Fig. 6 is the cross-sectional schematic under ground connection link insulating boot confined state.
Fig. 6-1 is A-A generalized section under ground connection link insulating boot confined state in Fig. 6.
Wherein, 100 is strain clamp insulating boot, and 110 is strain clamp insulating boot bound edge first, and 120 are
Strain clamp insulating boot bound edge second, 130 is locking bar buckle structure E, and 140 is locking bar buckle structure F,
200 is insulated sleeve, and 210 is first linkage section, and 211 is tail linkage section binding structure slot chamber, 212
Being locking through-hole structure, 220 is casing section, and 221 is reinforcing rib ring, and 230 is tail linkage section, 240
Being insulated sleeve unit entirety bound edge first, 250 is insulated sleeve unit entirety bound edge second, and 260 is anti-
Pine bar buckle structure A, 270 is locking bar buckle structure B, and 300 is lightning arrester insulation cover, and 310 is across umbrella
End insulating boot, 320 is downlead end insulating boot, and 330 is to connect eaves limit first, 340 downlead end insulation
The connection eaves limit second of cover outer end portion, 350 is locking bar buckle structure C, and 360 is locking bar buckle structure D,
400 is cable connector insulating boot, and 410 is lead wire insulation cover under cable, and 420 is across umbrella section insulating boot,
430 is cable connector insulating boot entirety bound edge first, and 440 is cable connector insulating boot entirety bound edge second,
450 is locking bar buckle structure G, and 460 is locking bar buckle structure H, and 500 is ground connection link insulating boot,
510 is lead wire insulation cover under cable, and 520 is link insulating boot, and 530 is lead wire insulation cover bag under cable
Limit first, 540 is lead wire insulation cover bound edge second under cable, and 550 is locking bar buckle structure I, and 560 is anti-
Pine bar buckle structure J.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As it is shown in figure 1, the schematic diagram of all insulation 35kV cable rod rising device of the present invention.All insulation 35kV
Cable rod rising device includes electric pole and threephase cable, and threephase cable is located at electricity by strain clamp fixed mount
On bar, on strain clamp, bag is provided with strain clamp insulating boot, and the upper end of electric pole is sequentially provided with three to lower end
The cross-arm support of lead-in wire under phase cable, cross-arm support includes cross arm insulator and cross-arm pony sill, cross-arm
Pony sill is fixed on electric pole, and cross arm insulator is fixed on cross-arm pony sill, goes between under threephase cable
Electrically connected with across umbellate form cable connector, across umbellate form cable connector and load end by cross arm insulator overlap joint
Cable electrically connects, and is arranged with insulated sleeve under threephase cable on lead-in wire, and insulated sleeve includes some head and the tail
The insulated sleeve unit of linking, is provided with cable connector insulating boot across umbellate form cable connector bag, across umbellate form electricity
Electric pole above cable joint is provided with pressure-bearing type support for installation of lighning arrestor, pressure-bearing type support for installation of lighning arrestor
The pressure-bearing type spark gap being provided with and go between corresponding under threephase cable, pressure-bearing type spark gap includes spark gap
Earth terminal and spark gap high-pressure side, pressure-bearing type spark gap is by arrester ground end and pressure-bearing type spark gap
Mounting bracket forms pressure-bearing type spark gap and can fasten hinged from horizontal state to the rotation of vertical configuration state, keeps away
The outside cladding of thunder device high-pressure side is provided with lightning arrester insulation cover, and pressure-bearing type spark gap passes through spark gap high pressure
Hold and be electrically connected to form the electric connection mode in parallel with across umbellate form cable connector with lead-in wire under threephase cable, across
Going between on umbellate form cable connector and be provided with ground connection link, on ground connection link, bag is provided with the insulation of ground connection link
Cover.Such scheme is on the basis of tradition bare conductor, by high voltage cable and on associated components
Set up all standing insulating element, reach to improve the purpose of device integral insulation performance, have employed horizontal stroke simultaneously
Put rotatable also installs the spark gap across umbrella insulating boot additional, solves 35kV and above high-tension line is exhausted
The problem of edge poor performance, simultaneously facilitates device and safeguards, it is to avoid the security incident that thus causes.
Overhead transmission line insulating concept has been proposed for the long period, at 10kV power transmission and distribution overhead transmission line
On be widely applied, also achieve more satisfactory effect, but make somebody a mere figurehead in 35kV power transmission and distribution
Application on circuit is also in the stage of fumbling.This is primarily due to 10kV power transmission and distribution overhead transmission line
The insulating boot of conventional structure pattern has several difficult point when 35kV power transmission and distribution overhead transmission line is applied: one is
Due to the raising of working voltage, will reach safe insulating properties, the thickness of insulating boot will increase,
The thing followed is exactly the increase of cost and increasing considerably of overhead transmission line weight, causes a series of
Contingency question.Two risings being as voltage, occur the probability of edge flashing to be far longer than and puncture sudden strain of a muscle
Network, the insulating boot of conventional structure can not meet the requirement of this respect.Existing 10kV overhead transmission line makes
Insulated sleeve be the cross section split coupling structure in " Ω " shape, by the pin of opening part
Screw locking.This structure applies the distinct issues on 35kV transmission overhead line to be exactly
The scrap (bridge) of insulated sleeve is shorter, is susceptible to edge flashing.In order to solve this problem, this programme is adopted
With " returning " shape labyrinth type insulated sleeve.
As in figure 2 it is shown, the solution of this programme insulated sleeve, i.e. insulated sleeve unit include first company
The section of connecing, casing section and tail linkage section, first linkage section, casing section is the most seamless with tail linkage section connects shape
Become insulated sleeve unit overall.Insulated sleeve unit entirety is the sleeve structure of side opening vertically,
The one end of the lateral opening that insulated sleeve unit is overall is provided with insulated sleeve unit entirety bound edge first, insulation
The other end of the lateral opening that tube unit is overall is provided with insulated sleeve unit entirety bound edge second, insulation sleeve
Pipe unit entirety bound edge second is coated on insulation sleeve along the edge fold of insulated sleeve unit entirety bound edge first
" returning " shape labyrinth type insulated sleeve unit entirety bound edge knot is formed on pipe unit entirety bound edge first outer surface
Structure.Insulated sleeve unit entirety bound edge second combines with insulated sleeve unit entirety bound edge first outer surface cladding
Surface be provided with nail pressing bar structure A that the cross section axially extended is horse-shoe shaped, insulated sleeve unit
Overall bound edge first outer surface is provided with heavy pit structure A that the cross section axially extended is horse-shoe shaped, pressure
Nailing strip structure A and heavy pit structure A pressing form locking bar buckle structure A.Insulated sleeve unit is overall
The casing section of the casing section of bound edge second and tail linkage section part and insulated sleeve unit entirety bound edge first and
It is horse-shoe shaped that the surface that the inner surface of tail linkage section part combines is provided with the cross section axially extended
Nail pressing bar structure B, the casing section of insulated sleeve unit entirety bound edge first and the interior table of tail linkage section part
Face is provided with heavy pit structure B that the cross section axially extended is horse-shoe shaped, and nail pressing bar structure B is with heavy
Pit structure B pressing forms locking bar buckle structure B.As shown in Fig. 2-1,2,3, above-mentioned " time "
Shape labyrinth type binding structure specifically side bound edge (longer sides) turns down opposite side bound edge (shorter edge)
Clip pack wherein thus forms the faying face of revolution, and this binding structure is not limited to shown in figure one
Layer clip pack, it is also possible to be the structure again folding on the basis of one layer of clip pack and forming multilamellar clip pack, i.e.
Above-mentioned " time " shape insulated covering edge structure is folded again formation multilamellar labyrinth type binding structure.Above-mentioned " time "
Shape binding structure adds insulated sleeve inner surface length, thus extends edge flashing length, effectively
Improve the security performance of insulated sleeve, but also overcome existing 10kV overhead transmission line insulated sleeve
At lock structure pin hole stress concentrate thus reduce structural-mechanical property and cause insulated sleeve easily to be opened
The problem split.It is disposable that above-mentioned " time " shape insulated covering edge structure can use insulating cement bonding to be formed
Enclosed construction, but this structure maintainability is poor, it is impossible to demolition and maintenance, ask to solve this
Topic, this programme discloses above-mentioned locking bar buckle structure to realize the strong bonded of bound edge, this seriality
Pressing structure make insulated sleeve encapsulation operation approximation slide fastener process, both there is operation convenience,
Improve again the sealing of encapsulation, encapsulating structure is stably difficult to crack come off simultaneously, thus improves " returning "
The maintainability of shape labyrinth type insulated covering edge structure so that mount and dismount the most more convenient, and do not have
Change the sleeve body structure of insulated sleeve.
In order to meet the insulation all standing requirement of 35kV transmission overhead line, the insulated sleeve of this programme
Have employed the scheme of standard pipe socket, i.e. use the side of the insulated sleeve mutually head and the tail socket of many standards
Formula realizes all standing of cable.In order to realize above-mentioned technical purpose, the insulated sleeve of this programme is designed to
Can the nested scheme of head and the tail, the internal diameter of i.e. first linkage section is more than the internal diameter of tail linkage section, insulated sleeve
The first linkage section part of unit entirety bound edge second and the first linkage section of insulated sleeve unit entirety bound edge first
It is provided with tail linkage section binding structure slot chamber, tail linkage section binding structure slot chamber between the inner surface of part
Overall with the interior segment dislocation head linkage section inner chamber of the first linkage section part of insulated sleeve unit, insulation sleeve
The free end that the free end of the tail linkage section part of pipe unit can be inserted into first linkage section inner chamber overall is formed
Seal the connected structure of connection.This connected structure makes the insulated sleeve can be the most unlimited
Extend, easy accessibility, improve the maintainability of overall circuit insulated sleeve.In actual use,
Due to the impact of external environmental factor, such as strong wind, precipitation etc., aerial cable is in unsteadiness
Duty, sleeve structure based on above-mentioned grafting easily in disordered motion frequently produce loosen
Even departing from, in order to solve this problem, this programme also discloses the scheme strengthening splicing stability,
The i.e. first linkage section part of insulated sleeve unit entirety bound edge first is provided with locking through-hole structure, and locking is logical
Being provided with lock screw in pore structure, lock screw is internally formed internal and external threads with locking through-hole structure and is connected,
Lock screw is threaded in or out tail linkage section binding structure slot chamber, locking screw by locking through-hole structure
Silk screw-in tail linkage section binding structure slot chamber pushes against and is plugged on tail linkage section binding structure slot intracavity
Tail linkage section part formed locking mechanism, lock screw screw out tail linkage section binding structure slot chamber take off
Dismountable grafting is formed from the tail linkage section part being plugged on tail linkage section binding structure slot intracavity
Structure.The introducing of locking through-hole structure strengthens the connective stability of the insulation tube of adjacent socket, simultaneously
Readily accessible, and the locking member of this programme is not limited to the fit system of screw and screw thread, also may be used
In the way of using pin to fasten.
Existing 10kV overhead transmission line insulated sleeve and its remodeling apply 35kV transmit electricity aerial line
The internal surface of sleeve pipe of the similar-type products on road is directly to contact with bare conductor, disturbing in applied external force
Under Dong, cable produces irregular swing, causes insulated sleeve inwall to produce frequently with bare conductor surface
Friction, thus produce and even ftracture from the internal abrasion started of insulated sleeve, ultimately resulting in insulation and losing
Effect.In order to solve this problem, this programme is provided with cyclic reinforcing rib inside insulation tube, such as Fig. 2
Shown in 2-2, i.e. it is provided with some reinforcing rib rings vertically on the casing section inwall of insulated sleeve unit,
The internal diameter of reinforcing rib ring is more than the external diameter of bare conductor.The some reinforcements of this employing entangle the side of bare conductor
Case not only strengthens the mechanical performance of insulation tube itself, and is isolated with insulated sleeve inwall by bare conductor,
Make to produce between insulation tube inwall and bare conductor gap, not only prevent friction between the two, but also
Be conducive to the cross-ventilation heat radiation in gap.In order to meet the requirement of cable insulation, take into account erection simultaneously
The ability to bear of structure, the material of composition and the size of product have been carried out excellent by the insulated sleeve of this programme
Change, i.e. the material of 35kV transmission overhead line labyrinth type insulated sleeve is that thickness is more than or equal to 2.5mm
Silastic material.The dielectric strength of silicone rubber is the highest, and silicone rubber thick for 1mm just can bear 20kV's
Pressure test, as long as experiment proves that the thickness of silicon rubber insulation cover is designed to more than 2.5mm just can expire
The needs that foot is actually used, and this thickness is equivalent to 10kV insulation thickness.
High-voltage arrester generally uses metal zinc oxide lightning arrester (MOA), is a kind of overvoltage protection dress
Putting, it is composed in series by the some nonlinear resistor valve sheets being encapsulated in insulator, and its valve block is with zinc oxide
For primary raw material, and it is equipped with other metal-oxide.At present, in 35kV power system, the most greatly
The metal oxide arrester (hereinafter referred to as spark gap) that part linked network uses, has plenty of the end of insulating
Seat, as the column spark gap of pedestal, has plenty of the suspension type connected using earth terminal as mechanical suspension
Spark gap.Column spark gap, is generally mounted to below aerial line, it is desirable to have one at least by double horizontal strokes
What load was constituted installs and uses platform, although its structure is simple, but must build a horizontal plane and dispose vertical
Pole type lightning protection device, takes up room bigger, it is easier to cause high-altitude to hook thing, provides to broken etc. outside circuit
The platform grown, due to closer to ground, or produces hidden danger.Suspended-type surge arrester, hangs on built on stilts
Line upper end, although shared high empty position avoids the contact of animal etc., but also makes manual maintenance keep away
The work such as thunder device become more to bother.In order to solve the problems referred to above, this programme have employed above-mentioned horizontal
Rotatable and install the spark gap across umbrella insulating boot additional, as it is shown on figure 3, specifically include cross-arm mounting bracket,
Spark gap is installed underframe, lightning arrester body and spark gap and is arranged on across umbrella insulating boot, cross-arm mounting bracket
In pole arm, spark gap is installed underframe and can be fastened hinged with the formation of cross-arm mounting bracket, and spark gap is originally
Body includes arrester ground end and spark gap high-pressure side, and it is solid that underframe installed by arrester ground end and spark gap
Fixed connection, lightning arrester body is installed underframe by spark gap and is formed lightning arrester body with cross-arm mounting bracket
Can fasten hinged from horizontal state to the rotation of vertical configuration state, arrester ground end is provided with arrester ground
Electrode, arrester ground electrode is electrically connected with cross-arm chassis ground end by disconnector, on this circuit also
Can connect lightning arrestor movement monitoring device, grasp the duty of spark gap, spark gap high-pressure side
Being provided with spark gap high tension terminal, the outside cladding of spark gap high-pressure side is provided with spark gap across umbrella insulating boot,
Aerial line downlead electrically connects with the formation of spark gap high tension terminal through spark gap across umbrella insulating boot.On
State horizontal spark gap and simplify the cross-arm platform structure of column spark gap, can utilize and can revolve simultaneously
Horizontal spark gap is adjusted to vertical position by the structure turned when safeguarding, it is simple to operation, and keeps away
Thunder device high-pressure side have employed across umbrella insulating boot, improves the security performance of spark gap.
The spark gap of this programme operationally uses horizontal mode, and the high tension terminal of spark gap is direct
It is connected with descending aerial line downlead, in order to improve safety, increases insulation area coverage, even
The position connect is additionally arranged across umbrella insulating boot, across umbrella insulating boot by the portion of downlead with high tension terminal conducting
Position coated insulation, as it is shown on figure 3, specifically lightning arrester insulation cover includes across umbrella end insulating boot with under drawing
Line end insulating boot, forms tee-joint sleeve structure across umbrella end insulating boot with the downlead seamless split of end insulating boot,
Go between under threephase cable and intersect with the high tension terminal of spark gap high-pressure side through downlead end insulating boot
Electrical connection, tee-joint sleeve structure includes the half three-way body structure first and half three fastened along middle section symmetry
Logical shell structure second, half three-way body structure first edge is provided with connection eaves limit first, connects and set in the first of eaves limit
There are some connection through holes, half three-way body structure second edge to be provided with connection eaves limit second, connect in the second of eaves limit
It is provided with some connection through holes, the above-mentioned symmetrical half three-way body structure first fastened and half three-way body structure
Second is fixedly connected to form tee-joint sleeve structure by corresponding connection through hole.Above-mentioned fastened group by two parts
The insulating boot easy accessibility become, difficult drop-off.
The spark gap of this programme will be with high-voltage line when being applied on 35kV and above overhead transmission line
Cable is directly connected to, owing to the probability of 35kV overhead transmission line generation edge flashing is bigger, in order to keep away
Exempt from security incident, coordinate requirement and the feature of 35kV overhead transmission line transmission of electricity, it is to avoid occur along face
Flashover, the insulating boot of this programme is improved, such as Fig. 3-1 on the side body that downlead passes
Shown in, the specifically second edge, eaves limit that connects of the outer end portion of downlead end insulating boot connects the limit of eaves limit first
Edge folding bag overlays on and forms " returning " shape binding structure on the first outer surface of connection eaves limit.Downlead end insulate
The connection eaves limit second of cover outer end portion is provided with edge with the surface being connected the first outer surface cladding combination of eaves limit
Axially extended cross section is the nail pressing bar structure C of horse-shoe shaped, connects eaves limit first outer surface and is provided with along axle
It is the heavy pit structure C of horse-shoe shaped to the cross section extended, nail pressing bar structure C and heavy pit structure C pressure
Close and form locking bar buckle structure C.The connection eaves limit second of downlead end insulating boot outer end portion be connected eaves
The surface that limit first inner surface combines is provided with nail pressing bar structure D that the cross section axially extended is horse-shoe shaped,
Connect eaves limit first inner surface and be provided with heavy pit structure D that the cross section axially extended is horse-shoe shaped, pressure
Nailing strip structure D and heavy pit structure D pressing form locking bar buckle structure D.As shown in figure 3-2, on
State " returning " shape binding structure specifically side bound edge (longer sides) to turn down opposite side bound edge (shorter edge)
Clip pack wherein thus forms the faying face of revolution, and this binding structure is not limited to shown in figure one
Layer clip pack, it is also possible to be the structure again folding on the basis of one layer of clip pack and forming multilamellar clip pack, i.e.
Above-mentioned " time " shape insulated covering edge structure is folded again formation multilamellar labyrinth type binding structure.Above-mentioned " time "
Shape binding structure adds insulated sleeve inner surface length, thus extends edge flashing length, effectively
Improve the security performance of insulated sleeve.Equally, above-mentioned " time " shape insulated covering edge structure can use
Insulating cement bonding forms disposable enclosed construction, but this structure maintainability is poor, it is impossible to tear open
Unloading maintenance, in order to solve this problem, this programme discloses above-mentioned locking bar buckle structure to realize bound edge
Strong bonded, this successional pressing structure make insulating boot encapsulation operation approximation slide fastener process,
Both having had operation convenience, and improve again the sealing of encapsulation, encapsulating structure is stably difficult to crack simultaneously
Come off, thus improve the maintainability of " returning " shape labyrinth type insulated covering edge structure so that install and
Dismantle the most more convenient, and do not change insulating boot body construction.
In order to meet spark gap installation, the convenient requirement of demolition and maintenance, this programme have employed spark gap work
Make in horizontal state under state, and when safeguarding dismounting, be the design of vertical configuration state, therefore spark gap
In most of the cases arrange in horizontal state, in order to be further ensured that spark gap is in working order
Under stability, it is to avoid it produces under self gravitation effect that pine is sliding thus the most lower turn of deviation, our
Case can fasten hinged place at spark gap installation underframe with the formation of cross-arm mounting bracket and be additionally arranged locking member,
As it is shown on figure 3, can fasten hinged is the internal and external threads coordinated with internal thread through hole by locking bolt
Connect the fixed anglec of rotation hinged formed, when spark gap is horizontal, only need to tighten lock
Only bolt can play the requirement of fixing horizontal state.But in electrical network actual moving process will faced by
The external factor of various complexity, such as strong wind, precipitation etc., cable is frequent under the effect of external factor
Irregular rocking vibration, therefore drives spark gap to occur the probability loosened to increase, in order to avoid above-mentioned
Problem, this programme is also additionally arranged other locking component on the basis of above-mentioned fastening schemes, such as Fig. 3 institute
Show, i.e. spark gap is installed underframe and is provided with rotary locking through hole I, and cross-arm mounting bracket is provided with rotation
Locking through hole II, lightning arrester body under horizontal state by being located at rotary locking through hole I and rotation lock
The position of the lock pin locking lightning arrester body in the II of stop-pass hole.Locking bolt and the combination of lock pin
Use and thoroughly avoid spark gap loosening under horizontal state, serve good fastening effect.Base
In above structure, the rotation dismounting mechanism of spark gap is by cross-arm mounting bracket, locking bolt, locking
Pin and spark gap install what underframe four part was constituted, and wherein lock pin rotates to level horizontal as spark gap
Locking fastening point during dress, and locking bolt acts primarily as fixing when spark gap at ordinary times is horizontally mounted operation
Fastening point effect, when needs dismounting and change spark gap, dismounting spark gap, across umbrella insulating boot, is untied and is kept away
The high pressure downlead that thunder device high tension terminal connects, unscrews as rotatably supported locking bolt, and tears open
Unloading lock pin, spark gap rotates to vertically downward from the horizontal dress of level, carries out more changing jobs of spark gap.
Strain clamp is for fixing wire, to bear wire tension, and hangs wire to strain insulator-string group
Or the gold utensil on shaft tower, it is used for corner, continues, and the connection of terminal.When electric pressure is higher,
The insulating properties of strain clamp are required the highest.In order to meet the high-tension line insulation to strain clamp
Performance requirement, prevents edge flashing, and this programme is additionally arranged insulating boot on strain clamp.Such as Fig. 4 institute
Showing, specifically strain clamp insulating boot is the elbow of the side being packaged on strain clamp opening vertically
Sleeve structure, one end of the lateral opening of strain clamp insulating boot is provided with strain clamp insulating boot bound edge first,
The other end of the lateral opening of strain clamp insulating boot is provided with strain clamp insulating boot bound edge second, resistance to bracing cable
It is exhausted that folder insulating boot bound edge second is coated on strain clamp along the edge fold of strain clamp insulating boot bound edge first
" returning " shape labyrinth type binding structure is formed on the outer surface of edge cover bound edge first.Strain clamp insulating boot bag
The surface that limit second and strain clamp insulating boot bound edge first outer surface cladding combine is provided with and axially extends
Cross section be nail pressing bar structure E of horse-shoe shaped, strain clamp insulating boot bound edge first outer surface is provided with edge
Axially extended cross section is heavy pit structure E of horse-shoe shaped, nail pressing bar structure E and heavy pit structure E
Pressing forms locking bar buckle structure E.Strain clamp insulating boot bound edge second and strain clamp insulating boot bound edge
The surface that first inner surface cladding combines is provided with the nail pressing bar knot that the cross section axially extended is horse-shoe shaped
Structure F, it is horse-shoe shaped that strain clamp insulating boot bound edge first inner surface is provided with the cross section axially extended
Heavy pit structure F, nail pressing bar structure F and heavy pit structure F pressing form locking bar buckle structure F.
Above-mentioned all standing formula Insulation Scheme is effectively increased the integral insulation performance of strain clamp, prevents simultaneously
Birds and Serpentis class harass the outside damage caused.Equally, above-mentioned " time " shape labyrinth type binding structure tool
Body is that opposite side bound edge (shorter edge) clip pack wherein thus is formed by side bound edge (longer sides) turnover
Revolution faying face, this binding structure is not limited to shown in figure layer clip pack, it is also possible to be
The structure forming multilamellar clip pack is again folded on the basis of one layer of clip pack, will the insulation of above-mentioned " time " shape
Binding structure folds formation multilamellar labyrinth type binding structure again.Above-mentioned " time " shape binding structure increases
Insulating boot inner surface length, thus extend edge flashing length, effectively improve insulating boot application
Security performance on 35kV and above high-tension overhead line.Equally, above-mentioned " time " shape insulating bag
Limit structure can use insulating cement bonding to form disposable enclosed construction, but this structure can be safeguarded
Property is poor, it is impossible to demolition and maintenance, in order to solve this problem, this programme discloses above-mentioned locking bar button
Structure realizes the strong bonded of bound edge, and this successional pressing structure makes the encapsulation of insulating boot grasp
Make approximation slide fastener process, both there is operation convenience, improve again the sealing of encapsulation, encapsulate simultaneously
Stability Analysis of Structures is difficult to crack and comes off, thus improves tieing up of " returning " shape labyrinth type insulated covering edge structure
Protecting property so that mount and dismount the most more convenient, and do not change insulating boot body construction.
The cable connector of this programme is formed with lead-in wire under threephase cable and directly electrically connects, therefore at high pressure
Insulating boot also should be set at the wiring of circuit, prevent edge flashing, as it is shown in figure 5, specifically electricity
Cable joint insulating boot includes under cable lead wire insulation cover and across umbrella section insulating boot, lead wire insulation cover under cable
It is coated under cable on lead-in wire and cable connector end, is coated on cable connector full skirt portion across umbrella section insulating boot
On, lead wire insulation cover and to form cable connector insulating boot across the umbrella seamless split of section insulating boot overall under cable.
Cable connector insulating boot entirety is the sleeve structure of side opening vertically, and cable connector insulating boot is overall
One end of lateral opening be provided with cable connector insulating boot entirety bound edge first, cable connector insulating boot is overall
The other end of lateral opening be provided with cable connector insulating boot entirety bound edge second, cable connector insulating boot is whole
Body bound edge second is coated on cable connector insulation along the edge fold of cable connector insulating boot entirety bound edge first
" returning " shape labyrinth type binding structure is formed on the outer surface of the overall bound edge first of cover.Cable connector insulating boot
The surface that overall bound edge second combines with cable connector insulating boot entirety bound edge first outer surface cladding is provided with
The cross section axially extended is nail pressing bar structure G of horse-shoe shaped, cable connector insulating boot entirety bound edge first
Outer surface is provided with heavy pit structure G that the cross section axially extended is horse-shoe shaped, nail pressing bar structure G
Locking bar buckle structure G is formed with heavy pit structure G pressing.Cable connector insulating boot entirety bound edge second with
The surface that cable connector insulating boot entirety bound edge first inner surface cladding combines is provided with and axially extends
Cross section is nail pressing bar structure H of horse-shoe shaped, and cable connector insulating boot entirety bound edge first inner surface is provided with
The cross section axially extended is heavy pit structure H of horse-shoe shaped, nail pressing bar structure H and heavy pit structure
H pressing forms locking bar buckle structure H.Equally, above-mentioned " time " shape labyrinth type binding structure is specifically
Opposite side bound edge (shorter edge) clip pack wherein thus is formed revolution by side bound edge (longer sides) turnover
Faying face, this binding structure is not limited to shown in figure layer clip pack, it is also possible to be at one layer
The structure forming multilamellar clip pack is again folded on the basis of clip pack, will above-mentioned " time " shape insulated covering edge
Structure folds formation multilamellar labyrinth type binding structure again.Above-mentioned " time " shape binding structure adds absolutely
Edge cover inner surface length, thus extend edge flashing length, effectively improve insulating boot and apply
Security performance on 35kV and above high-tension overhead line.Equally, above-mentioned " time " shape insulated covering edge knot
Structure can use insulating cement bonding to form disposable enclosed construction, but this structure maintainability is relatively
Difference, it is impossible to demolition and maintenance, in order to solve this problem, this programme discloses above-mentioned locking bar buckle structure
Realizing the strong bonded of bound edge, the encapsulation operation that this successional pressing structure makes insulating boot is near
Like slide fastener process, both there is operation convenience, improve again the sealing of encapsulation, simultaneously encapsulating structure
Stably being difficult to cracks comes off, thus improves the maintainability of " returning " shape labyrinth type insulated covering edge structure,
Make to mount and dismount the most more convenient, and do not change insulating boot body construction.It is coated on cable
The umbrella-shaped structure insulating surfaces across the formation of umbrella section insulating boot in joint full skirt portion adds edge flashing
Distance, applies and has more preferable insulation safety performance on 35kV and above high-tension line.
The ground connection link of this programme is to facilitate to hang the parts that grounding hook uses, this programme in overhaul process
In order to meet 35kV and the insulating requirements of above high-tension line, prevent edge flashing, at ground connection link
Outside is also additionally arranged insulating boot, and as shown in Figure 6, specifically ground connection link insulating boot draws under including cable
Line insulating boot and link insulating boot, under cable, lead wire insulation cover is coated under cable lead-in wire and link parts
Connection end on, link insulating boot is coated on link parts, and under cable, lead wire insulation cover and link are exhausted
It is overall that split that edge cover is seamless forms ground connection link insulating boot.Under cable lead wire insulation cover be side vertically
The sleeve structure of opening, under cable, one end of the lateral opening of lead wire insulation cover is provided with under cable lead-in wire absolutely
Edge cover bound edge first, under cable, the other end of the lateral opening of lead wire insulation cover is provided with lead wire insulation under cable
Cover bound edge second, under cable, lead wire insulation cover bound edge second is along the edge folding of lead wire insulation cover bound edge first under cable
Folded being coated under cable forms " returning " shape labyrinth type bound edge knot on the outer surface of lead wire insulation cover bound edge first
Structure.Under cable, lead wire insulation cover bound edge second combines with lead wire insulation cover bound edge first outer surface cladding under cable
Surface be provided with the nail pressing bar structure I that the cross section axially extended is horse-shoe shaped, under cable, lead-in wire is absolutely
Edge cover bound edge first outer surface is provided with the heavy pit structure I that the cross section axially extended is horse-shoe shaped, pressure
Nailing strip structure I and heavy pit structure I pressing form locking bar buckle structure I.Lead wire insulation cover under cable
The surface that bound edge second combines with lead wire insulation cover bound edge first inner surface cladding under cable is provided with vertically
The cross section extended is nail pressing bar structure J of horse-shoe shaped, under cable on lead wire insulation cover bound edge first inner surface
It is provided with heavy pit structure J that the cross section axially extended is horse-shoe shaped, nail pressing bar structure J and heavy pit
The pressing of structure J forms locking bar buckle structure J.Above-mentioned all standing formula Insulation Scheme is effectively increased ground connection
The integral insulation performance of link, prevents birds and Serpentis class to harass the outside damage caused simultaneously.Equally,
Above-mentioned " time " shape labyrinth type binding structure specifically side bound edge (longer sides) turns down opposite side bound edge
(shorter edge) clip pack wherein thus forms the faying face of revolution, and this binding structure is not limited in figure
The one layer of clip pack illustrated, it is also possible to again fold on the basis of one layer of clip pack and form multilamellar clip pack
Structure, above-mentioned " time " shape insulated covering edge structure will fold formation multilamellar labyrinth type binding structure again.
Above-mentioned " time " shape binding structure adds insulating boot inner surface length, thus it is long to extend edge flashing
Degree, effectively improves insulating boot and applies the security performance on 35kV and above high-tension overhead line.
Equally, above-mentioned " time " shape insulated covering edge structure can use insulating cement bonding to form disposable closing
Structure, but this structure maintainability is poor, it is impossible to demolition and maintenance, in order to solve this problem,
This programme discloses above-mentioned locking bar buckle structure to realize the strong bonded of bound edge, this successional pressure
Close structure and make the encapsulation operation approximation slide fastener process of insulating boot, both there is operation convenience, improved again
The sealing of encapsulation, encapsulating structure is stably difficult to crack come off simultaneously, thus improve " returning " shape
The maintainability of labyrinth type insulated covering edge structure so that mount and dismount the most more convenient, and do not have
Change insulating boot body construction.
The novel all insulation 35kV cable rod rising device of this programme uses at 35kV and above high-tension line
The mode of insulating boot of setting upper bag improves the insulation safety of high-tension line, prevents edge flashing, specifically
Use " returning " shape labyrinth type insulated sleeve to improve the insulating properties of high voltage cable, use horizontal revolving
Turn and install the spark gap across umbrella insulating boot additional and simplify the structure of arrester device, improve its maintainable and
Safety, uses " returning " shape labyrinth type lightning arrester insulation cover to improve the insulating properties of spark gap simultaneously,
Use " returning " shape labyrinth type strain clamp insulating boot to improve the insulating properties of strain clamp, use " returning "
Shape labyrinth type cable connector insulating boot improves the insulating properties of cable connector, uses " returning " shape labyrinth type
Ground connection link insulating boot improves the insulating properties of ground connection link, and above transmission of electricity parts are whole as one
The scheme of the device integral high pressure anti-edge flashing all insulation that body realizes.Based on above feature, this programme
Novel all insulation 35kV cable rod rising device compare currently existing scheme there is prominent substantive distinguishing features
With the most progressive.
The all insulation 35kV cable rod rising device of this programme is not limited to disclosed in detailed description of the invention
Content, the technical scheme occurred in embodiment can be with individualism, it is also possible to mutually comprise, this area
Technical staff combines, according to this programme, the simple alternative that common knowledge makes and falls within this programme
Scope.
Claims (10)
1. all insulation 35kV cable rod rising device, is characterized in that including electric pole and threephase cable, described threephase cable
Being located on described electric pole by strain clamp fixed mount, on described strain clamp, bag is provided with strain clamp insulating boot, institute
Upper end to the lower end stating electric pole is sequentially provided with under threephase cable the cross-arm support of lead-in wire, and described cross-arm support includes cross-arm
Insulator and cross-arm pony sill, described cross-arm pony sill is fixed on described electric pole, and described cross arm insulator is fixed on
On described cross-arm pony sill, go between under described threephase cable and connect with across umbellate form cable by described cross arm insulator overlap joint
Head electrical connection, described electrically connect with load end cable across umbellate form cable connector, and going between under described threephase cable, it is the most sheathed to go up
There are insulated sleeve, described insulated sleeve to include the insulated sleeve unit of some tandem arrays, described connect across umbellate form cable
Head bag is provided with cable connector insulating boot, and described described electric pole above umbellate form cable connector is provided with pressure-bearing type and takes shelter from the thunder
Device mounting bracket, described pressure-bearing type support for installation of lighning arrestor be provided with go between under described threephase cable corresponding horizontal
Formula spark gap, described pressure-bearing type spark gap includes arrester ground end and spark gap high-pressure side, and described pressure-bearing type is taken shelter from the thunder
Device by described arrester ground end and described pressure-bearing type support for installation of lighning arrestor formed described pressure-bearing type spark gap from
Horizontal state can fasten hinged to the rotation of the configuration state that hangs down, and the outside cladding of described spark gap high-pressure side is provided with spark gap
Insulating boot, described pressure-bearing type spark gap electrically connects shape by described spark gap high-pressure side with lead-in wire under described threephase cable
Becoming and the described electric connection mode in parallel across umbellate form cable connector, described lead-in wire on umbellate form cable connector is provided with
Ground connection link, on described ground connection link, bag is provided with ground connection link insulating boot.
All insulation 35kV cable rod rising device the most according to claim 1, it is characterised in that described insulation
Tube unit includes that first linkage section, casing section and tail linkage section, described first linkage section, casing section and tail linkage section depend on
It is overall that secondary seamless connection forms insulated sleeve unit；
Described insulated sleeve unit entirety is the sleeve structure of side opening vertically, and described insulated sleeve unit is overall
One end of lateral opening be provided with insulated sleeve unit entirety bound edge first, the side opening that described insulated sleeve unit is overall
Mouthful the other end be provided with insulated sleeve unit entirety bound edge second, described insulated sleeve unit entirety bound edge second along described absolutely
The edge fold of edge tube unit entirety bound edge first is coated on described insulated sleeve unit entirety bound edge first outer surface
Form " returning " shape labyrinth type insulated sleeve unit entirety binding structure；
Described insulated sleeve unit entirety bound edge second and described insulated sleeve unit entirety bound edge first outer surface cladding knot
The surface closed is provided with nail pressing bar structure A that the cross section axially extended is horse-shoe shaped, and described insulated sleeve unit is whole
Body bound edge first outer surface is provided with heavy pit structure A that the cross section axially extended is horse-shoe shaped, and described nail pressing bar is tied
Structure A and heavy pit structure A pressing form locking bar buckle structure A；
The casing section of described insulated sleeve unit entirety bound edge second and tail linkage section part and described insulated sleeve unit
The surface that the casing section of overall bound edge first and the inner surface of tail linkage section part combine is provided with cutting of axially extending
Face is nail pressing bar structure B of horse-shoe shaped, the casing section of described insulated sleeve unit entirety bound edge first and tail linkage section portion
The inner surface divided is provided with heavy pit structure B that the cross section axially extended is horse-shoe shaped, described nail pressing bar structure B
Locking bar buckle structure B is formed with heavy pit structure B pressing.
All insulation 35kV cable rod rising device the most according to claim 2, it is characterised in that described head is even
The internal diameter of the section of connecing is more than the internal diameter of described tail linkage section, the first linkage section portion of described insulated sleeve unit entirety bound edge second
Point and described insulated sleeve unit entirety bound edge first first linkage section part inner surface between be provided with tail linkage section bound edge
The first linkage section part of structure slot chamber, described tail linkage section binding structure slot chamber and described insulated sleeve unit
Interior segment dislocation head linkage section inner chamber is overall, and the free end of the tail linkage section part of described insulated sleeve unit can be inserted into
The connected structure of the free end formation sealing connection that described first linkage section inner chamber is overall.
All insulation 35kV cable rod rising device the most according to claim 3, it is characterised in that described insulation
The first linkage section part of tube unit entirety bound edge first is provided with locking through-hole structure, sets in described locking through-hole structure
Have lock screw, described lock screw to be internally formed internal and external threads with described locking through-hole structure to be connected, described locking
Screw is threaded in or out described tail linkage section binding structure slot chamber, described locking screw by described locking through-hole structure
The described tail linkage section binding structure slot chamber of silk screw-in pushes against and is plugged on described tail linkage section binding structure slot intracavity
Tail linkage section part formed locking mechanism, described lock screw screw out described tail linkage section binding structure slot chamber take off
Dismountable connected structure is formed from the tail linkage section part being plugged on described tail linkage section binding structure slot intracavity.
5., according to all insulation 35kV cable rod rising device according to any one of claim 2 to 4, its feature exists
In, the casing section inwall of described insulated sleeve unit is provided with some reinforcing rib rings vertically, described reinforcing rib ring
Internal diameter is more than the external diameter of bare conductor.
All insulation 35kV cable rod rising device the most according to claim 1, it is characterised in that described lightning-arrest
Device insulating boot includes across umbrella end insulating boot and downlead end insulating boot, described across umbrella end insulating boot and described downlead end
Split that insulating boot is seamless forms tee-joint sleeve structure, goes between through described downlead end insulating boot under described threephase cable
Intersect electrical connection with the high tension terminal of described spark gap high-pressure side, described tee-joint sleeve structure includes along middle section pair
Claiming half three-way body structure first and the half three-way body structure second fastened, described half three-way body structure first edge is provided with
Connecting eaves limit first, described connection eaves limit first is provided with some connection through holes, and described half three-way body structure second edge sets
Having connection eaves limit second, described connection eaves limit second is provided with some connection through holes, described symmetrical half three-way body fastened
Structure first and half three-way body structure second are fixedly connected to form described tee-joint sleeve structure by corresponding connection through hole.
All insulation 35kV cable rod rising device the most according to claim 6, it is characterised in that described in draw under
The described connection eaves limit second of the outer end portion of line end insulating boot is coated on institute along the edge fold of described connection eaves limit first
State and form " returning " shape binding structure on the first outer surface of connection eaves limit；
The connection eaves limit second of described downlead end insulating boot outer end portion is connected eaves limit first outer surface cladding knot with described
The surface closed is provided with the nail pressing bar structure C that the cross section axially extended is horse-shoe shaped, described connection eaves limit first appearance
Face is provided with the heavy pit structure C that the cross section axially extended is horse-shoe shaped, described nail pressing bar structure C and heavy pit
Structure C pressing forms locking bar buckle structure C；
The connection eaves limit second of described downlead end insulating boot outer end portion is combined with described connection eaves limit first inner surface
Surface is provided with nail pressing bar structure D that the cross section axially extended is horse-shoe shaped, on the first inner surface of described connection eaves limit
It is provided with heavy pit structure D that the cross section axially extended is horse-shoe shaped, described nail pressing bar structure D and heavy pit structure
D pressing forms locking bar buckle structure D.
All insulation 35kV cable rod rising device the most according to claim 1, it is characterised in that described strain insulator
Wire clamp insulating boot is the elbow union structure of the side being packaged on strain clamp opening vertically, described strain clamp
One end of the lateral opening of insulating boot is provided with strain clamp insulating boot bound edge first, the side of described strain clamp insulating boot
The other end of opening is provided with strain clamp insulating boot bound edge second, and described strain clamp insulating boot bound edge second is along described strain insulator
The edge fold of wire clamp insulating boot bound edge first is coated on the outer surface of described strain clamp insulating boot bound edge first formation
" return " shape labyrinth type binding structure；
Described strain clamp insulating boot bound edge second combines with described strain clamp insulating boot bound edge first outer surface cladding
Surface is provided with nail pressing bar structure E that the cross section axially extended is horse-shoe shaped, described strain clamp insulating boot bound edge
First outer surface is provided with heavy pit structure E that the cross section axially extended is horse-shoe shaped, described nail pressing bar structure E with
Heavy pit structure E pressing forms locking bar buckle structure E；
Described strain clamp insulating boot bound edge second and the surface that described strain clamp insulating boot bound edge first inner surface is combined
It is provided with nail pressing bar structure F that the cross section axially extended is horse-shoe shaped, in described strain clamp insulating boot bound edge first
Surface is provided with heavy pit structure F that the cross section axially extended is horse-shoe shaped, described nail pressing bar structure F and heavy hole
Groove structure F pressing forms locking bar buckle structure F.
All insulation 35kV cable rod rising device the most according to claim 1, it is characterised in that described cable
Splice insulation cover includes under cable lead wire insulation cover and across umbrella section insulating boot, and under described cable, lead wire insulation cover is coated on
Under cable on lead-in wire and cable connector end, described it is coated in cable connector full skirt portion across umbrella section insulating boot, described electricity
Lead wire insulation cover and to form cable connector insulating boot across the umbrella seamless split of section insulating boot overall under cable；
Described cable connector insulating boot entirety is the sleeve structure of side opening vertically, described cable connector insulating boot
One end of overall lateral opening is provided with cable connector insulating boot entirety bound edge first, and described cable connector insulating boot is overall
The other end of lateral opening be provided with cable connector insulating boot entirety bound edge second, described cable connector insulating boot entirety bag
It is whole that limit second is coated on described cable connector insulating boot along the edge fold of described cable connector insulating boot entirety bound edge first
" returning " shape labyrinth type binding structure is formed on the outer surface of body bound edge first；
Described cable connector insulating boot entirety bound edge second and described cable connector insulating boot entirety bound edge first appearance bread
The surface covering combination is provided with nail pressing bar structure G that the cross section axially extended is horse-shoe shaped, and described cable connector is exhausted
Edge cover entirety bound edge first outer surface is provided with heavy pit structure G that the cross section axially extended is horse-shoe shaped, described pressure
Nailing strip structure G and heavy pit structure G pressing form locking bar buckle structure G；
Described cable connector insulating boot entirety bound edge second is tied with described cable connector insulating boot entirety bound edge first inner surface
The surface closed is provided with nail pressing bar structure H that the cross section axially extended is horse-shoe shaped, described cable connector insulating boot
Overall bound edge first inner surface is provided with heavy pit structure H that the cross section axially extended is horse-shoe shaped, described nail pressing bar
Structure H and heavy pit structure H pressing form locking bar buckle structure H.
All insulation 35kV cable rod rising device the most according to claim 1, it is characterised in that described ground connection
Link insulating boot includes lead wire insulation cover and link insulating boot under cable, and under described cable, lead wire insulation cover is coated on electricity
Under cable on the connection end of lead-in wire and link parts, described link insulating boot is coated on link parts, under described cable
It is overall that lead wire insulation cover and the seamless split of link insulating boot form ground connection link insulating boot；
Under described cable, lead wire insulation cover is the sleeve structure of side opening vertically, lead wire insulation cover under described cable
One end of lateral opening be provided with lead wire insulation cover bound edge first under cable, the side opening of lead wire insulation cover under described cable
The other end of mouth is provided with lead wire insulation cover bound edge second under cable, and under described cable, lead wire insulation cover bound edge second is along described electricity
Under cable, the edge fold of lead wire insulation cover bound edge first is coated on the outer surface of lead wire insulation cover bound edge first under described cable
Shape labyrinth type binding structure " is returned " in upper formation；
Lead wire insulation cover bound edge second and lead wire insulation cover bound edge first outer surface cladding knot under described cable under described cable
The surface closed is provided with the nail pressing bar structure I that the cross section axially extended is horse-shoe shaped, lead wire insulation under described cable
Cover bound edge first outer surface is provided with the heavy pit structure I that the cross section axially extended is horse-shoe shaped, and described nail pressing bar is tied
Structure I and heavy pit structure I pressing form locking bar buckle structure I；
Under described cable, lead wire insulation cover bound edge second lead wire insulation cover bound edge first inner surface under described cable is combined
Surface is provided with nail pressing bar structure J that the cross section axially extended is horse-shoe shaped, lead wire insulation cover bag under described cable
Limit first inner surface is provided with heavy pit structure J that the cross section axially extended is horse-shoe shaped, described nail pressing bar structure J
Locking bar buckle structure J is formed with heavy pit structure J pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374599.4A CN105846382B (en) | 2016-05-31 | 2016-05-31 | All insulation 35kV cable rod rising devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374599.4A CN105846382B (en) | 2016-05-31 | 2016-05-31 | All insulation 35kV cable rod rising devices |
Publications (2)
| Publication Number | Publication Date |
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| CN105846382A true CN105846382A (en) | 2016-08-10 |
| CN105846382B CN105846382B (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610374599.4A Active CN105846382B (en) | 2016-05-31 | 2016-05-31 | All insulation 35kV cable rod rising devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279326A (en) * | 2018-04-13 | 2018-07-13 | 国家电网公司 | Electrical test neutral point gap earth protective device special isolation cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204012599U (en) * | 2014-07-18 | 2014-12-10 | 开平市翰联电力设计有限公司 | A kind of tower apparatus of stepping on based on dry-type cable terminal |
| CN204343772U (en) * | 2014-12-09 | 2015-05-20 | 国家电网公司 | Narrow base cable shoe steel tube tower under four return cable |
| CN204645808U (en) * | 2015-05-27 | 2015-09-16 | 苏文电能科技有限公司 | Bar stepped on by cement pole cable |
| CN205116866U (en) * | 2015-11-06 | 2016-03-30 | 江苏省电力公司苏州供电公司 | Device is down drawn to transmission line cable termination solid |
| CN205791410U (en) * | 2016-05-31 | 2016-12-07 | 上海电瓷厂有限公司 | All insulation 35kV cable rod rising device |
-
2016
- 2016-05-31 CN CN201610374599.4A patent/CN105846382B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204012599U (en) * | 2014-07-18 | 2014-12-10 | 开平市翰联电力设计有限公司 | A kind of tower apparatus of stepping on based on dry-type cable terminal |
| CN204343772U (en) * | 2014-12-09 | 2015-05-20 | 国家电网公司 | Narrow base cable shoe steel tube tower under four return cable |
| CN204645808U (en) * | 2015-05-27 | 2015-09-16 | 苏文电能科技有限公司 | Bar stepped on by cement pole cable |
| CN205116866U (en) * | 2015-11-06 | 2016-03-30 | 江苏省电力公司苏州供电公司 | Device is down drawn to transmission line cable termination solid |
| CN205791410U (en) * | 2016-05-31 | 2016-12-07 | 上海电瓷厂有限公司 | All insulation 35kV cable rod rising device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279326A (en) * | 2018-04-13 | 2018-07-13 | 国家电网公司 | Electrical test neutral point gap earth protective device special isolation cover |
| CN108279326B (en) * | 2018-04-13 | 2024-02-06 | 国家电网公司 | Special insulating cover for neutral point gap grounding protection device for electrical test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105846382B (en) | 2017-12-26 |
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