CN209016557U - A kind of power line tension insulator gap bridge - Google Patents

A kind of power line tension insulator gap bridge Download PDF

Info

Publication number
CN209016557U
CN209016557U CN201821976272.5U CN201821976272U CN209016557U CN 209016557 U CN209016557 U CN 209016557U CN 201821976272 U CN201821976272 U CN 201821976272U CN 209016557 U CN209016557 U CN 209016557U
Authority
CN
China
Prior art keywords
crossbeam
hole
setting
power line
wire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821976272.5U
Other languages
Chinese (zh)
Inventor
韩庆军
徐嘉明
史宏伟
贵童
魏小宁
段学福
刘继怀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhoukou Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
Zhoukou Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhoukou Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical Zhoukou Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority to CN201821976272.5U priority Critical patent/CN209016557U/en
Application granted granted Critical
Publication of CN209016557U publication Critical patent/CN209016557U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of power line tension 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, 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

A kind of power line tension insulator gap bridge
Technical field
The utility model relates to electric power overhaul technical fields, pass a bridge more particularly, to a kind of power line tension 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.
Utility model content
In view of this, the purpose of this utility model is in view of the deficiencies of the prior art, it is exhausted to provide a kind of power line tension Edge is passed a bridge, and device design is reasonable, structure is simple, easy to operate, safe and reliable, small in size, light-weight, and in operation It can remain the original horizontality of insulator chain, it is ensured that safety, stability in operation process, reliability.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of power line tension insulator gap bridge, including horizontally disposed two crossbeams, the crossbeam are hollow structure, Beam pipe is stepped in setting among the crossbeam, and setting ground line in one crossbeam, the ground line both ends are respectively from crossbeam both ends Through-hole one and through-hole two draw, it is described be grounded drawn from the through-hole one one end setting copper wire nose, from the through-hole One end setting ground terminal card drawn in two, the crossbeam are linked up with close to copper wire nose one end setting side of wire, the crossbeam Far from copper wire nose one end, two steel wire loops are set.
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.
The beneficial effects of the utility model are:
1, the utility model discloses a kind of power line tension insulator and passes a bridge, and middle cross beam and steps on beam pipe and is all made of epoxy Resin material, it is highly-safe, and ground line is additionally provided in crossbeam, it can be achieved that ground state when operation, avoids induced electricity from hurting People.
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 the service life of the utility model.
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 utility model is designed reasonably, structure are simple, easy to operate, safe and reliable, small in size, light-weight, and are 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 power line tension insulator of the utility model embodiment 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 utility model embodiment 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 utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1-3, a kind of power line tension insulator is passed a bridge, including horizontally disposed two crossbeams 1, wherein horizontal Beam 1 is hollow structure, and beam pipe 2 is stepped in setting 5 among crossbeam 1, crossbeam 1 and to step on 2 material of beam pipe be epoxy resin material;Step on beam M12 silk 3 is worn in pipe 2, i.e. M12 silk 3 is threadedly coupled with beam pipe 2 is stepped on, and the M12 both ends for passing through crossbeam 1 are bolted, It is fixed on crossbeam 1 to which beam pipe 2 will be stepped on, M12 silk 3 and 1 contact position of crossbeam are disposed with iron pad 4 and rubber pad from outside to inside 5, for protecting 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 hook tail bifurcated is connect by band iron 13 with ladder beam M12 silk 3, side of wire hook 11 tail ends, two band irons 13 of welding, on band iron 13 It is provided with through-hole, M12 pass through through-hole and band iron 13 is fixed on crossbeam 1;The fixed flat copper 14 in 11 inside of side of wire hook, flat copper 14 connect with copper wire nose 8.
Steel wire loop 15 is arranged far from 8 one end of copper wire nose in crossbeam 1, for tying up the utility model left end in cross-arm.Separately Outer the utility model is also arranged in pairs or groups using Di Nima material protection rope for conductor, is used cooperatively with the utility model.
When being passed a bridge using the power line tension insulator of the utility model, 1 left end of crossbeam in Fig. 1 is known as cross-arm-end, Right end is known as conductor wire end, specifically used method are as follows: is securely stuck in the ground terminal card 10 that left side ground line 6 is drawn on cross-arm, enlightening Nima material protection rope for conductor is hung over first on the right side of terraced beam, is stood simultaneously by two people and is operated power line tension insulator on cross-arm Overbridge device, a human hand held ladder beam left side, another people control Di Nima protection rope for conductor (control action from when mounting gap bridge) To control the direction passed a bridge and horizontality, cooperates in double harness and insulator gap bridge side of wire hook 11 is articulated in conducting wire On.At this point, conducting wire is connected on steel tower cross-arm by the flat copper 14 of 11 inside of side of wire hook by ground line 6, realize good Ground connection, avoidable induced electricity are hurted sb.'s feelings, and being finally fixed on the utility model left end on cross-arm by steel wire loop 15 keeps this practical It is novel to be maintained at horizontality.Then, a people is moved to right side along the utility model, and Di Nima protection rope for conductor is articulated in connection On plate (fitting that yoke plate is connecting insulator and conducting wire) (insulator → yoke plate → conducting wire), another people is by Di Nima wire-protecting Rope is articulated on cross-arm, is prevented conducting wire is de- from running, is played 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 1300mm long wirerope 17 on pipe collar, pipe collar are connect by two M8*20 bolts with 1300mm long wirerope, long wirerope 17 Top is arranged rope sling and elongates ring 12, and the steel wire loop structure is simple, the utility model left end firmly can be fixed on cross-arm On, safe ready.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.

Claims (5)

1. a kind of power line tension insulator is passed a bridge, it is characterised in that: including horizontally disposed two crossbeams (1), the cross Beam (1) is hollow structure, and setting is stepped on beam pipe (2) among the crossbeam (1), setting ground line (6) in one crossbeam (1), Described ground line (6) both ends respectively from the through-hole one (7) and through-hole two (9) at crossbeam (1) both ends draw, the ground line (6) from Copper wire nose (8) are arranged in the one end drawn in the through-hole one (7), and ground terminal is arranged from the one end drawn in the through-hole two (9) Block (10), the 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 described Two steel wire loops (15) are arranged in copper wire nose (8) one end.
2. a kind of power line tension insulator according to claim 1 is passed a bridge, it is characterised in that: described to step on beam pipe (2) Interior setting M12 (3), M12 described (3) pass through the crossbeam (1) both ends be bolted, M12 (3) with it is described Crossbeam (1) contact position is disposed with iron pad (4) and rubber pad (5) from outside to inside.
3. a kind of power line tension insulator according to claim 1 is passed a bridge, it is characterised in that: the side of wire hook (11) tail end fixes two band irons (13), and the band iron (13) is fixed on the crossbeam (1) by M12 (3).
4. a kind of power line tension insulator according to claim 1 is passed a bridge, it is characterised in that: the side of wire hook (11) inside is fixed flat copper (14), and the flat copper (14) connect with the copper wire nose (8).
5. a kind of power line tension insulator according to claim 1 is passed a bridge, it is characterised in that: the steel wire loop It (15) include pipe collar (16) and the long wirerope (17) being fixed on the pipe collar, rope sling is arranged in long wirerope (17) top It elongates ring (12).
CN201821976272.5U 2018-11-28 2018-11-28 A kind of power line tension insulator gap bridge Active CN209016557U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821976272.5U CN209016557U (en) 2018-11-28 2018-11-28 A kind of power line tension insulator gap bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821976272.5U CN209016557U (en) 2018-11-28 2018-11-28 A kind of power line tension insulator gap bridge

Publications (1)

Publication Number Publication Date
CN209016557U true CN209016557U (en) 2019-06-21

Family

ID=66843233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821976272.5U Active CN209016557U (en) 2018-11-28 2018-11-28 A kind of power line tension insulator gap bridge

Country Status (1)

Country Link
CN (1) CN209016557U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111564789A (en) * 2020-05-29 2020-08-21 中国南方电网有限责任公司超高压输电公司大理局 Bridge-crossing device and method for crossing barrier between strain tower and ground wire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111564789A (en) * 2020-05-29 2020-08-21 中国南方电网有限责任公司超高压输电公司大理局 Bridge-crossing device and method for crossing barrier between strain tower and ground wire

Similar Documents

Publication Publication Date Title
CN209016557U (en) A kind of power line tension insulator gap bridge
WO2015078195A1 (en) Live overhaul process for ± 500 kv double-loop dc power transmission line on same tower
CN102420401A (en) Triangular insulating hanging fulcrum bar
CN206546747U (en) A kind of wind-deviation insulator chain
CN201146346Y (en) Portable insulation maintenance gap bridge
WO2016023141A1 (en) Process for live replacement of tension hard-tube bus-bar jumper insulator of +/- 800kv ultra-high-voltage dc transmission line
CN103840396A (en) Method for replacing lightning conductor on high-voltage iron towers
CN208337014U (en) A kind of charged for replacement Voltage for Insulators on HV Lines lifting block hanging point heightening device
CN107069562B (en) Replacing insulator under electrified method and load transfer device
CN101752806A (en) Connecting plate for replacing 220kV double bundle conductor strain insulator with centricity and method thereof
CN203859248U (en) Short circuit grounding device used for overhead line maintenance
CN201440584U (en) Ground potential replacement device for tension tower insulators and accessories in power transmission line
CN205882560U (en) Special circulation cord rack device of distribution live working earth potential
CN207677364U (en) A kind of 10kV tension-resistant rods drainage thread insulated isolated device
CN201893186U (en) Windproof inclined composite insulator
CN209948529U (en) Live lifting mechanism for three-phase lead of straight-line section of 10kV distribution network line
CN206293856U (en) A kind of copper-alloy stranded conductor bracing cable is pressed from both sides
CN204884721U (en) 110kV transmission line equalizer ring insulator chain
CN209168833U (en) A kind of railway traction net optimization improvement insulator
CN207234360U (en) A kind of ultra-high-tension power transmission line wind deflection preventive
CN206685794U (en) A kind of device of 10kV circuits earth potential live replacing tension-resistant rod insulator
CN205335800U (en) Wire insulated supporting plate device
CN206489913U (en) High-voltage power transmission tower insulator bird-proof device
CN104752996A (en) Method for live replacement of tension duplex whole-string insulators of 330kV power transmission line
CN202353100U (en) Triangular insulation lifting strut

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant