CN109467769A - A kind of strain insulator gap bridge - Google Patents
A kind of strain insulator gap bridge Download PDFInfo
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- CN109467769A CN109467769A CN201811435361.3A CN201811435361A CN109467769A CN 109467769 A CN109467769 A CN 109467769A CN 201811435361 A CN201811435361 A CN 201811435361A CN 109467769 A CN109467769 A CN 109467769A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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- 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
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/04—Chains; Multiple chains
-
- 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
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/12—Special features of strain insulators
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention discloses a kind of strain insulator gap bridge, including horizontally disposed two crossbeams, the crossbeam is hollow structure, beam pipe is stepped in setting among the crossbeam, setting ground line in one crossbeam, it is drawn respectively from the through-hole one and through-hole two at crossbeam both ends at the ground line both ends, it is described to be grounded one end setting copper wire nose drawn from the through-hole one, one end setting ground terminal card drawn from the through-hole two, the crossbeam is linked up with close to copper wire nose one end setting side of wire, and two steel wire loops are arranged far from copper wire nose one end in the crossbeam.Device design is reasonable, structure is simple, easy to operate, safe and reliable, small in size, light-weight, and can remain the original horizontality of insulator chain in operation, it is ensured that safety, stability in operation process, reliability.
Description
Technical field
The present invention relates to electric power overhaul technical fields, pass a bridge more particularly, to a kind of strain insulator.
Background technique
Silicon rubber compound insulator from 1989 since Henan Province's operation of power networks, 27 years as long as so far, the product from
It is applied topically to the external insulating level mode of the operation of full electric network Composite, ends Henan Province's power grid in 2014 and has fully achieved
Full Composite transmission line of electricity, up to 360,000 silicon rubber compound insulator hanging net operations, since its is light-weight, intensity is high, is not easy
It is broken, resistance to pollution flashover performance is strong, manufacture the features such as convenient for installation and maintenance, human resources and maintenance cost be greatly saved, it has also become
The chief component of Henan Province's power grid external insulating level.However in use, due to high voltage electric field, day with high temperature photograph, evil
The collective effect of the factors such as bad climatic environment and acid rain, over time, the full skirt of composite insulator is gradually old
The phenomenon that changing, hydrophobic sexual involution be presented.The degeneration of hydrophobicity performance will seriously affect the insulation performance of composite insulator, increase flashover
The probability that phenomenon occurs, so needing that underproof composite insulator string is overhauled and safeguarded.
Composite insulator must not be climbed during installation, maintenance, detection test according to regulation regulation, to avoid artificial damage
Hurt insulator.And existing check man's appliance operation is cumbersome, structure is complicated and has a single function, and is not able to satisfy existing a variety of defeated
The requirement of electric wire line pole tower maintenance, while shapes different in operation and maintenance, replacement, technological transformation, defect processing etc. can not be met
Demand under state.
Chinese patent literature (notification number CN201868790U) discloses a kind of insulating gap bridge for Electric Power Line Overhaul, packet
Gap bridge main body is included, gap bridge main body is made of insulating materials, and gap bridge main body one end sets cross arm of tower and has contact with, and the gap bridge main body other end is set
There is hook, gap bridge main body is made of internal box and outer case, and outer case is sheathed on internal box periphery, and outer case one end passes through cuff
Have contact with equipped with cross arm of tower, cross arm of tower has contact with is equipped with rotatable pin shaft between cuff, and internal box one end is set by cuff
Hook, is equipped with rotatable pin shaft between cuff and hook, the outer case other end is sheathed on internal box periphery.But this is practical new
Ground line and protective device are not provided in type.
Chinese patent literature (notification number CN201146346Y) discloses a kind of Portable insulation maintenance gap bridge, includes
Bridge main body, in which: gap bridge main body is made of high-strength insulation material；The tail end of gap bridge main body is connected with bar by the second Reinforced Hoop
Tower cross-arm fixes device, in order to connect with insulator cross arm of tower；The head end of gap bridge main body is connected with by the first Reinforced Hoop
Hook, hook can hang over insulator front end；Gap bridge main body has pars contractilis, and pars contractilis is socketed in gap bridge main body, and can basis
It needs to stretch or be retracted；It is equipped between gap bridge main body and pars contractilis and adjusts pin.Hook is conductor in the utility model, is not provided with
Ground line has security risk.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of strain insulator gap bridge, the dress
Install meter rationally, structure it is simple, easy to operate, safe and reliable, small in size, light-weight, and can remain in operation exhausted
The original horizontality of edge substring, it is ensured that safety, stability in operation process, reliability.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of strain insulator is passed a bridge, including horizontally disposed two crossbeams, and the crossbeam is hollow structure, among the crossbeam
Beam pipe is stepped in setting, setting ground line in one crossbeam, and the ground line both ends are respectively from the through-hole one at crossbeam both ends and logical
Hole two is drawn, described to be grounded one end setting copper wire nose drawn from the through-hole one, one drawn from the through-hole two
End setting ground terminal card, the crossbeam are linked up with close to copper wire nose one end setting side of wire, and the crossbeam is far from the copper wire
Two steel wire loops are arranged in nose one end.
Further, described to step on setting M12 in beam pipe, the both ends for passing through the crossbeam described M12 pass through bolt
Fixed, M12 are disposed with iron pad and rubber pad with the crossbeam contact position from outside to inside.
Further, the side of wire hook tail end fixes two band irons, and the band iron is fixed on the cross by M12
Liang Shang.
Further, the fixed flat copper in side of wire hook inside, the flat copper are connect with the copper wire nose.
Further, the steel wire loop includes pipe collar and the long wirerope that is fixed on the pipe collar, the long steel wire
Top setting rope sling of restricting elongates ring.
Further, the rubber pad is prepared from the following raw materials in parts by weight: 38-45 parts of nitrile rubber, EPDM
30-35 parts of rubber, 5-8 parts of silicon rubber, 3-8 parts of EVA lotion, 3-6 parts of palmitinic acid, 2-5 parts of magnesia, 1-3 parts of stearic acid, boric acid
It is 2-5 parts of al whisker, 1-2 parts of nano hydrotalcite, 2-5 parts of diatomite, 6-10 parts of white carbon black, 2-4 parts of vulcanizing agent, 3-5 parts of rosin, micro-
Brilliant wax 2-5 parts and anti-aging agent 2-4 parts.
The beneficial effects of the present invention are:
1, the present invention disclose a kind of strain insulator and passes a bridge, middle cross beam with step on beam pipe and be all made of epoxy resin material, safety
Height, and ground line is additionally provided in crossbeam, it can be achieved that ground state when operation, avoids induced electricity from hurting sb.'s feelings.
Side of wire is articulated on conducting wire when in use, and steel wire loop, which is fixed on cross-arm, keeps holding of the present invention horizontal,
It can remain the original horizontality of insulator chain.
2, M12 are disposed with iron pad and rubber pad with crossbeam contact position from outside to inside, and protection can be played to crossbeam
Effect, increases service life of the invention.
Side of wire hook is formed by whole bar bending, and hook tail bifurcated is connect by band iron with the M12 silk of terraced beam；Pipe collar is logical
It crosses two M8*20 bolts to connect with long wirerope, overall structure is simple, and cost is relatively low, convenient to carry out.
3, it in the specific use process, is also used cooperatively with Di Nima material protection rope for conductor, prevents conducting wire is de- from running, have
Protective action.
4, the present invention improves the material of rubber pad, its protective action to crossbeam can be greatly increased, to increase
Add service life of the invention.Wherein rubber pad uses nitrile rubber, ethylene propylene diene rubber and mixing silicon rubber, wherein butyronitrile rubber
Glue oil resistivity, abrasion resistance, heat resistance are preferable, and bonding force is strong, but its elasticity is low；It is blended with ethylene propylene diene rubber and silicon rubber,
The elasticity of product can be improved, a small amount of EVA lotion (vinyl acetate is added when increasing shockproof, wear-resisting and ageing-resistant performance, and being kneaded
Content be 20-25%), to improve the toughness and shock resistance of rubber.
The application helps to submit the degree of cross linking of rubber, heat resistance and ageing-resistant using stearic acid, magnesia as activator
Performance；Also added with aluminium borate whisker, nano hydrotalcite, diatomite, white carbon black as supporting material, wherein aluminium borate whisker is straight
Diameter is 0.5-1 μm, and length is 5-10 μm, the crosslink density and intensity that can increase rubber in rubber is distributed in, to increase rubber
Mechanical performance；And nano hydrotalcite partial size is 10-50nm, itself and rubbery network can effectively be enhanced by being dispersed in rubber
Interaction between network, to improve the mechanical strength of rubber.In addition specific surface area of diatomite is big, can improve the wear-resisting of product
Performance, and active high white carbon black can improve the intensity of rubber in conjunction with rubber cross.
Rosin and microwax can move to the surface of rubber in compounding rubber, form protective film, can enhance rubber
Anti-aging property.
5, structure of the invention design is reasonable, structure is simple, easy to operate, safe and reliable, small in size, light-weight, and is operating
The original horizontality of insulator chain can be remained in the process, it is ensured that safety, stability in operation process, reliability,
And simplified operation process, construction efficiency is improved, DL/T 741-2001 " overhead transmission line operating standard " and " electric power are complied fully with
Safety work order " as defined in quality standard.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that 1 strain insulator of the embodiment of the present invention is passed a bridge；
Fig. 2 is to step on beam pipe partial enlarged view in Fig. 1；
Fig. 3 is the partial enlarged view of side of wire hook in Fig. 1；
Fig. 4 is the structural schematic diagram of steel wire loop in the embodiment of the present invention 2.
In figure: 1- crossbeam, 2- step on beam pipe, and 3-M12,4- iron pad, 5- rubber pad, 6- ground line, 7- through-hole one, 8- copper wire
Nose, 9- through-hole two, 10- ground terminal card, 11- side of wire hook, 12- rope sling elongate ring, 13- band iron, 14- flat copper, 15- wirerope
Set, 16- pipe collar, 17- long wirerope.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1-3, a kind of strain insulator is passed a bridge, including horizontally disposed two crossbeams 1, middle cross beam 1 is hollow knot
Structure, beam pipe 2 is stepped in setting 5 among crossbeam 1, crossbeam 1 and to step on 2 material of beam pipe be epoxide resin material；It steps in beam pipe 2 and wears
M12 silk 3, i.e. M12 silk 3 are threadedly coupled with beam pipe 2 is stepped on, and the M12 both ends for passing through crossbeam 1 are bolted, to will step on
Beam pipe 2 is fixed on crossbeam 1, and M12 silk 3 and 1 contact position of crossbeam are disposed with iron pad 4 and rubber pad 5 from outside to inside, for preventing
Protect crossbeam 1.
Setting ground line 6 in one crossbeam 1,6 both ends of ground line are drawn from the through-hole 1 and through-hole 29 at 1 both ends of crossbeam respectively
Out, wherein through-hole 1 is apart from 1 proximal end 100mm of crossbeam, and through-hole 29 is apart from 1 proximal end 500mm of crossbeam, and ground line 6 is from through-hole 1
Copper wire nose 8 is arranged in one end of extraction, one end setting ground terminal card 10 drawn from through-hole 29.
Crossbeam 1 close to 8 one end of copper wire nose setting side of wire link up with 11, side of wire hook 11 by whole 10 bar bending of φ and
At side of wire links up with 11 tail ends and welds two band irons 13, and through-hole is provided on band iron 13, and M12 pass through through-hole and consolidate band iron 13
It is scheduled on crossbeam 1；The fixed flat copper 14 in 11 inside of side of wire hook, flat copper 14 are connect with copper wire nose 8.
Two steel wire loops 15 are arranged far from 8 one end of copper wire nose in crossbeam 1, for left end of the present invention to be fixed on cross-arm；
In addition the present invention also collocation uses Di Nima material protection rope for conductor, increases protective action.
When being passed a bridge using strain insulator of the invention, specifically used method are as follows: the ground terminal for drawing left side ground line 6
Card 10 is securely stuck on cross-arm, and Di Nima material protection rope for conductor is hung over first on the right side of terraced beam, is stood on cross-arm simultaneously by two people
Strain insulator Overbridge device, a human hand held ladder beam left side are operated, another people controls Di Nima protection rope for conductor and (passes a bridge in mounting
When from control action) with control pass a bridge direction and horizontality, cooperate in double harness by insulator gap bridge side of wire link up with
11 are articulated on conducting wire.At this point, conducting wire is connected to steel tower cross-arm by ground line 6 by the flat copper 14 of 11 inside of side of wire hook
On, realize that good earth, avoidable induced electricity are hurted sb.'s feelings, being finally fixed on left end of the present invention on cross-arm by steel wire loop 15 makes
The present invention is maintained at horizontality.Then, a people is moved to right side along the present invention, and Di Nima protection rope for conductor is articulated in yoke plate
On (fitting that yoke plate is connecting insulator and conducting wire) (insulator → yoke plate → conducting wire), another people is by Di Nima protection rope for conductor
It is articulated on cross-arm, prevents conducting wire is de- from running, play a protective role.
Embodiment 2
Embodiment 2 difference from example 1 is that: as shown in figure 4, steel wire loop 15 includes pipe collar 16 and being fixed on pipe collar
On 1300mm long long wirerope 17, pipe collar 16 connect by two M8*20 bolts with 1300mm long wirerope, long wirerope
17 tops are arranged rope sling and elongate ring 12, and the steel wire loop structure is simple, and firmly left end of the present invention can be fixed on cross-arm,
Safe ready.
Rubber pad 5 in the present embodiment is prepared from the following raw materials in parts by weight: 38 parts of nitrile rubber, ethylene propylene diene rubber
35 parts, 5 parts of silicon rubber, 8 parts of EVA lotion, 3 parts of palmitinic acid, 5 parts of magnesia, 1 part of stearic acid, 5 parts of aluminium borate whisker, nanometer water
1 part of talcum, 2 parts of diatomite, 10 parts of white carbon black, 2 parts of vulcanizing agent, 5 parts of rosin, 2 parts of microwax and 2 parts of anti-aging agent.Wherein vulcanize
Agent is sulphur, and anti-aging agent is antioxidant MB.
Rubber pad is prepared from the following steps:
(1) premix is obtained in palmitinic acid, aluminium borate whisker, nano hydrotalcite, diatomite and white carbon black high-speed stirred 20min, i.e.,
First aluminium borate whisker, nano hydrotalcite, diatomite and white carbon black and palmitinic acid are premixed, increase these inorganic constituents and rubber
Compatibility；(2) nitrile rubber, ethylene propylene diene rubber, silicon rubber, EVA lotion, magnesia and stearic acid are added in mixer to plasticate
It after 3min, is subsequently added into anti-aging agent and is kneaded 3min, premix is then added and is kneaded 5min, obtains mixing materials, wherein melting temperature
It is 120 DEG C；(2) rosin and microwax heat refining 5min is added in open mill in mixing materials, and vulcanizing agent is added later, continues heat refining
5min, Bao Tong 5 times, slice, wherein cooking temperature is 80 DEG C；(3) by film on vulcanizing agent sulfidization molding, obtain product.
Embodiment 3
Embodiment 3 and embodiment 2 the difference is that: rubber pad 5 is prepared from the following raw materials in parts by weight: nitrile rubber 39
Part, 33 parts of ethylene propylene diene rubber, 6 parts of silicon rubber, 7 parts of EVA lotion, 4 parts of palmitinic acid, 4 parts of magnesia, 1.5 parts of stearic acid, boric acid
4 parts of al whisker, 1.2 parts of nano hydrotalcite, 3 parts of diatomite, 9 parts of white carbon black, 2.5 parts of vulcanizing agent, 4.5 parts of rosin, 3 parts of microwax
With 2.5 parts of anti-aging agent.
Embodiment 4
Embodiment 4 and embodiment 2 the difference is that: rubber pad 5 is prepared from the following raw materials in parts by weight: nitrile rubber 40
Part, 32 parts of ethylene propylene diene rubber, 6 parts of silicon rubber, 6 parts of EVA lotion, 5 parts of palmitinic acid, 3 parts of magnesia, 2 parts of stearic acid, aluminium borate
3 parts of whisker, 1.5 parts of nano hydrotalcite, 4 parts of diatomite, 8 parts of white carbon black, 3 parts of vulcanizing agent, 4 parts of rosin, 4 parts of microwax and anti-old
3 parts of agent.
Embodiment 5
Embodiment 5 and embodiment 2 the difference is that: rubber pad 5 is prepared from the following raw materials in parts by weight: nitrile rubber 42
Part, 31 parts of ethylene propylene diene rubber, 7 parts of silicon rubber, 5 parts of EVA lotion, 5 parts of palmitinic acid, 2 parts of magnesia, 2.5 parts of stearic acid, boric acid
3 parts of al whisker, 1.8 parts of nano hydrotalcite, 4 parts of diatomite, 7 parts of white carbon black, 3.5 parts of vulcanizing agent, 3.5 parts of rosin, 5 parts of microwax
With 3.5 parts of anti-aging agent.
Embodiment 6
Embodiment 6 and embodiment 2 the difference is that: rubber pad 5 is prepared from the following raw materials in parts by weight: nitrile rubber 45
Part, 30 parts of ethylene propylene diene rubber, 8 parts of silicon rubber, 3 parts of EVA lotion, 6 parts of palmitinic acid, 2 parts of magnesia, 3 parts of stearic acid, aluminium borate
2 parts of whisker, 2 parts of nano hydrotalcite, 5 parts of diatomite, 6 parts of white carbon black, 4 parts of vulcanizing agent, 3 parts of rosin, 4 parts of microwax and anti-aging agent
4 parts.
Performance detection
The physical property of the product of testing example 2-6 preparation, wherein tensile property is measured according to GB/T 528-2009, wear-resisting
Property is characterized using Akron abrasion value, and test result is shown in Table 1.
1 performance test data of table
The product tensile strength of 2-6 of embodiment of the present invention preparation is 24-32MPa, elongation rate of tensile failure 510-600%, wearability mill
Consumption value is 0.08-0.15cm3/ 1.61Km, and after 150 DEG C × 500h hot-air, elongation rate of tensile failure and tensile strength variation
It is less, illustrate that the rubber pad product of the application preparation is wear-resisting, ageing-resistant performance is excellent, and mechanical property is good, can increase and decrease rubber
The protective action to crossbeam is padded, to increase service life of the invention.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (6)
1. a kind of strain insulator is passed a bridge, it is characterised in that: including horizontally disposed two crossbeams (1), during the crossbeam (1) is
Hollow structure, the intermediate setting of the crossbeam (1) are stepped on beam pipe (2), setting ground line (6), the ground line in one crossbeam (1)
(6) both ends are drawn from the through-hole one (7) and through-hole two (9) at crossbeam (1) both ends respectively, and the ground line (6) is from the through-hole one
(7) copper wire nose (8) are arranged in the one end drawn in, and ground terminal card (10) are arranged from the one end drawn in the through-hole two (9), described
Crossbeam (1) links up with (11) close to described copper wire nose (8) one end setting side of wire, and the crossbeam (1) is far from the copper wire nose (8) one
Two steel wire loops (15) of end setting.
2. a kind of strain insulator according to claim 1 is passed a bridge, it is characterised in that: M12 is arranged in described step in beam pipe (2)
Silk (3), the both ends that M12 described (3) pass through the crossbeam (1) are bolted, and M12 (3) connect with the crossbeam (1)
Synapsis is disposed with iron pad (4) and rubber pad (5) from outside to inside.
3. a kind of strain insulator according to claim 1 is passed a bridge, it is characterised in that: the side of wire links up with (11) tail end
Two band irons (13) are fixed, the band iron (13) is fixed on the crossbeam (1) by M12 (3).
4. a kind of strain insulator according to claim 1 is passed a bridge, it is characterised in that: on the inside of the side of wire hook (11)
Fixed flat copper (14), the flat copper (14) connect with the copper wire nose (8).
5. a kind of strain insulator according to claim 1 is passed a bridge, it is characterised in that: the steel wire loop (15) includes pipe
Hoop (16) and the long wirerope (17) being fixed on the pipe collar, long wirerope (17) the top setting rope sling elongate ring
(12).
6. a kind of strain insulator according to claim 2 is passed a bridge, it is characterised in that: the rubber pad (5) is by following heavy
The raw material of amount number is made: 38-45 parts of nitrile rubber, 30-35 parts of ethylene propylene diene rubber, 5-8 parts of silicon rubber, EVA lotion 3-8
Part, 3-6 parts of palmitinic acid, 2-5 parts of magnesia, 1-3 parts of stearic acid, 2-5 parts of aluminium borate whisker, 1-2 parts of nano hydrotalcite, diatomite
2-5 parts, 6-10 parts of white carbon black, 2-4 parts of vulcanizing agent, 3-5 parts of rosin, 2-5 parts of microwax and 2-4 parts of anti-aging agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435361.3A CN109467769B (en) | 2018-11-28 | 2018-11-28 | Tension insulator gap bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435361.3A CN109467769B (en) | 2018-11-28 | 2018-11-28 | Tension insulator gap bridge |
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| Publication Number | Publication Date |
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| CN109467769A true CN109467769A (en) | 2019-03-15 |
| CN109467769B CN109467769B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811435361.3A Active CN109467769B (en) | 2018-11-28 | 2018-11-28 | Tension insulator gap bridge |
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| CN106147239A (en) * | 2016-07-01 | 2016-11-23 | 国网山东省电力公司莱芜供电公司 | A kind of electric power damping conductive rubber pad |
| CN209016557U (en) * | 2018-11-28 | 2019-06-21 | 国网河南省电力公司周口供电公司 | A kind of power line tension insulator gap bridge |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090158571A1 (en) * | 2007-12-24 | 2009-06-25 | Haverfield International Incorporated | Method of replacing insulators on a tower and insulator support and transport assembly therefor |
| CN201146346Y (en) * | 2007-12-28 | 2008-11-05 | 河南省电力公司郑州供电公司 | Portable insulation maintenance gap bridge |
| CN201868790U (en) * | 2010-12-06 | 2011-06-15 | 河南省电力公司濮阳供电公司 | Insulating gap bridge for repairing power lines |
| CN104804258A (en) * | 2015-04-21 | 2015-07-29 | 青岛承天伟业机械制造有限公司 | Rubber gasket |
| CN204886004U (en) * | 2015-07-30 | 2015-12-16 | 国家电网公司 | Type of easily hanging work platform that passes a bridge |
| CN105406402A (en) * | 2015-12-29 | 2016-03-16 | 李海龙 | Foldable and lightweight single-string output type strain insulator string device |
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| CN109467769B (en) | 2023-04-28 |
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