CN102966301B - Live working sliding board - Google Patents
Live working sliding board Download PDFInfo
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- CN102966301B CN102966301B CN201210456287.XA CN201210456287A CN102966301B CN 102966301 B CN102966301 B CN 102966301B CN 201210456287 A CN201210456287 A CN 201210456287A CN 102966301 B CN102966301 B CN 102966301B
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- 238000009413 insulation Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000004080 punching Methods 0.000 claims description 19
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 3
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008029 eradication Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
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- Ladders (AREA)
Abstract
The invention discloses a live working sliding board. The live working sliding board comprises an insulation ladder which is erected between a pole tower and a lead wire; the insulation ladder comprises two main posts which are arranged in parallel, and a plurality of insulation crosspieces, the end parts of which are fixedly connected with the main posts through penetrating bolts A, are uniformly arranged between the two main posts; the end part of the main post at the lead wire side of the insulation ladder is provided with a hook latch for hanging the lead wire, and the middle part of the main pos is in sliding fit with a sliding table for positioning; and the pole tower side of the insulation ladder is also provided with a steering gear which is used for being clamped with a cross arm of the pole tower, and one end of the steering gear is fixedly arranged on a steel tube which is arranged between the two main posts through a penetrating bolt. The live working sliding board is safe, reliable and convenient to use, can meet the requirement of operating personnel for live working when the cross arm and the live wire are at different angles, and greatly increases the safety and high efficiency of live working.
Description
Technical field
The present invention relates to the instrument that a kind of power construction field is used, refer in particular to a kind of livewire work ladder.
Background technology
At present, electric load demand continues to increase substantially, and quality, power off time, number of times and the reliability etc. of user to electric power have proposed requirements at the higher level, launch charging construction operation, reduce power failure range and power off time, guarantee to meet the demand of user to electric power, become the demand for development of field of power transmission.
Livewire work refers to a kind of operational method that does not have a power failure on high-tension electricity construction equipment and overhaul, test.Livewire work can be divided three classes according to the relation between human body and electrical body: equipotential live line work, earth potential working and medial potential working.Wherein, equipotential live line work is that operating personnel passes through electrical connection, makes the current potential of own health rise to charged position current potential, and isolates and directly live part carried out to operation with around different potentials is suitable.At present, while carrying out equipotential live line work, adopt insulating ladder or insulated flexible ladder mode to enter operation field on 110kV and Above Transmission Lines shaft tower, ladder two ends are connected with wire and steel tower cross-arm respectively more, and operating personnel stands in operation on insulating ladder or insulated flexible ladder; But due to the impact of the factors such as tower, wire and cross-arm relative position, still there is following potential safety hazard in these two kinds of modes:
1) safe distance deficiency, for example: 110kV cat-head transmission tower, wherein phase conductor is apart from tower body 1918mm, limit phase conductor also only has 2000mm apart from tower body, operating personnel on insulating ladder itself is again by short circuit 600mm, operating personnel short circuit 300mm more also in moving process, specify " when electric pressure is 110kV according to livewire work in " State Grid Corporation of China's electric power safety working regulation " (power circuit part), livewire work minimum safe distance must not be less than 1000mm, minimum combination gap must not be less than 1200mm ", obviously, carry out livewire work on this tower time, if according to routine work method, normally carrying out of livewire work will be difficult to ensure,
2) return to difficulty large, for example: on anchor support,, because insulator string is sagging, it is larger that insulating ladder sets up the rear gradient, and after the upper ladder of operating personnel, the flat terraced gradient even can exceed 30 degree, causes operating personnel to return to after hours difficulty larger;
3) insulating ladder shaft tower side is fixedly connected with cross-arm, and its installation is had relatively high expectations to cross-arm shape, angle;
4) safety factor is poor, and due to terraced body smoother, stability is bad, and the inconvenience of operation erect-position brings certain impact to high-altitude working safety.
Publication number is the patent of invention of CN 102383719A, a kind of insulation sliding board of using for power transmission lines overhauling operation is disclosed, comprise terraced body, sliding seat and slide hook, ladder body is the main body of carrying, sliding seat is installed in ladder with it and can slides along terraced body, on sliding seat, be provided with the locking member that can coordinate with terraced body locking, slide hook is arranged on terraced body front end, and slide hook is for hanging terraced body at wire.Although can overcome above-mentioned part shortcoming, but because insulation sliding board adopts suspending way, and be fixedly connected with adopting flexible snap close (as rope) being connected of shaft tower end, therefore easily there is the situation of horizontal hunting in insulation sliding board, there is certain danger, and cross-arm setting position be there are certain requirements, and also there is wear problem in rope connection in addition, has certain insecurity.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of safety, reliable, the slide of convenient working personnel livewire work can meet cross-arm and wire and present different angles time.
For solving the problems of the technologies described above, the technical solution used in the present invention is a kind of livewire work slide, comprise the insulating ladder being erected between shaft tower and wire, described insulating ladder comprises two principal posts that be arranged in parallel, evenly between two principal posts is furnished with the insulation crosspiece that some radicles are fixedly connected with principal post by punching bolt A; The principal post end of described insulating ladder side of wire was arranges one for the having contact with of hook wire, and the middle part of principal post is slidably matched and is useful on the slide unit of erect-position; The shaft tower side of described insulating ladder also arranges a steering gear for clamping cross arm of tower, and one end of described steering gear is fixedly installed on by punching bolt C and is arranged on the steel pipe between two principal posts.
The further improvement of concrete structure of the present invention is: described steering gear comprises the otic placode on the steel pipe that is fixedly installed on insulating ladder shaft tower side, the outer end of otic placode is by the hinged ∏ type connector of pivot pin A, and the blind end of ∏ type connector is the jig with cross arm of tower clamping by pivot pin B hinged.
The further improvement of concrete structure of the present invention is: the end face that the movable bayonet of described jig contacts with cross arm of tower is zigzag.
The further improvement of concrete structure of the present invention is: described slide unit comprises that the biside plate by being positioned at principal post outside is arranged on the insulating slab of principal post top, described each side plate near the end face of principal post by rotating shaft be respectively provided with four be slidably matched with principal post and with principal post up and down along the pulley of clamping.
The further improvement of concrete structure of the present invention is: on the side of described side plate near shaft tower side, be fixedly installed a draw ring frame, the top of draw ring frame is fixedly connected with and is useful on is the draw ring of safety rope.
The further improvement of concrete structure of the present invention is: on described insulating slab, be provided with the insulation drag-line for slide unit is slided along principal post, one end of described insulation drag-line is fixedly connected in insulating slab one side, and the other end of insulation drag-line is successively through being arranged on the opposite side that is fixed on insulating slab after the steel pipe of fixed pulley, insulating ladder cross-arm side of insulating ladder side of wire was; Described fixed pulley is arranged between two principal posts by punching bolt B.
The further improvement of concrete structure of the present invention is: in described punching bolt B, be set with insulation tube.
The further improvement of concrete structure of the present invention is: the edge of described fixed pulley is provided with the baffle plate coming off for the drag-line that prevents from insulating.
Owing to having adopted technique scheme, the obtained technological progress of the present invention is: the invention provides a kind of safety, reliable, the slide of convenient working personnel livewire work can meet cross-arm and wire and present different angles time.Equipotential live line work personnel are sitting in and on slide unit, carry out work, eliminate the defect of insulating ladder erect-position shakiness, and when operation, only take the required space of human body self, avoid in moving process because forward lean is swung back the too much space that causes by short circuit problem, enough live-working safety distances are ensured, for operating personnel's personal safety provides guarantee.
The present invention arranges fixed pulley at slide front end, fixed pulley, insulation drag-line and slide unit form closed-loop path, hot line job personnel into and out of highfield process by earth potential support staff by pulling advancing, having retreated of insulation ropes control slide unit, livewire work personnel are without oneself operation, not only save livewire work personnel muscle power and also improved operating efficiency, for preventing insulate drag-line slippage and fixing fixed pulley position, on fixed pulley, be provided with baffle plate, in the punching bolt B on fixed pulley both sides, be also provided with insulation tube, further ensured the trouble-free operation of slide unit.
The link frame that slide unit of the present invention top is provided with to fasten the safety belt, can tie up to safety belt on this link frame when livewire work personnel operation, has strengthened live-working safety.
Steering gear otic placode of the present invention and ∏ type connector, between ∏ type connector and jig, all adopt pivot pin hinged, make the steering gear can all-direction rotation, and then make livewire work slide shaft tower side that the impact that can not be subject to cross-arm size, angle of living in is installed, it is horizontal that slide can remain, further strengthened the convenience that livewire work slide uses; Steering gear jig movable bayonet end face is designed to zigzag, has increased the steadiness after jig clamping cross arm of tower.Meanwhile, steering gear, owing to adopting metal material to realize fixing between livewire work slide and shaft tower with snap fit, makes the anti-wear performance of steering gear high, has also obtained very big prolongation application life.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is side-looking structural representation of the present invention;
Fig. 4 is the structural representation of steering gear of the present invention.
In figure: 1, insulating ladder, 1-1, principal post, 1-2, insulation crosspiece, 1-3, punching bolt A, 1-4, fixed pulley, 1-5, insulation tube, 1-6, baffle plate, 1-7, punching bolt B, 1-8, have contact with, 1-9, steel pipe, 1-10, punching bolt C, 2, steering gear, 2-1, otic placode, 2-2, pivot pin A, 2-3, ∏ type connector, 2-4, jig, 2-4-1, movable bayonet, 2-5, pivot pin B, 3, slide unit, 3-1, side plate, 3-2, insulating slab, 3-3, pulley, 3-4, rotating shaft, 3-5, link frame, 3-5-1, draw ring, 4, insulation drag-line, 5, cross arm of tower.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is explained in further detail.
A kind of livewire work slide, comprises the insulating ladder 1 being erected between shaft tower and equipotential wire, and insulating ladder 1 is carrying main body; Insulating ladder 1 top is provided with slide unit 3, and slide unit 3 can slide along the principal post 1-1 of insulating ladder 1; The principal post 1-1 end of insulating ladder 1 side of wire was is provided with has contact with 1-8, has contact with 1-8 for hook wire; Insulating ladder 1 shaft tower side is provided with steering gear 2, and steering gear 2 is for clamping cross arm of tower 5.Have contact with 1-8 and steering gear 2 is fixed on livewire work slide between wire and shaft tower, having contact with 1-8 and steering gear 2 is hard points of whole livewire work slide.
Insulating ladder 1 comprises two principal post 1-1 that be arranged in parallel, evenly between two principal post 1-1 is furnished with some eradication edge crosspiece 1-2, and the two ends of insulation crosspiece 1-2 are fixedly connected with principal post 1-1 by punching bolt A1-3 respectively.The length of principal post 1-1 determines according to electric pressure, and in the present embodiment, livewire work slide is applied under the equipotential live line work condition that electric pressure is 110kV, and principal post 1-1 length is 2.4m; Principal post 1-1 cross section is oval, major diameter 60mm, minor axis 30mm, wall thickness 5mm.Between two principal post 1-1, embed one every 400mm and thoroughly do away with edge crosspiece 1-2, the long 300mm of insulation crosspiece 1-2, diameter 30mm, wall thickness 5mm.
Insulating ladder 1 arranges a punching bolt B 1-7 near one end of wire, the two ends of punching bolt B 1-7 are individually fixed on two principal post 1-1, the middle part of punching bolt B 1-7 arranges a fixed pulley 1-4, on the punching bolt B 1-7 of fixed pulley 1-4 both sides, is set with insulation tube 1-5.Insulating ladder 1 arranges a steel pipe 1-9 near one end of shaft tower, and steel pipe 1-9 is arranged between two principal post 1-1 by punching bolt C1-10, and the two ends of punching bolt C1-10 are individually fixed on two principal post 1-1.The internal diameter of steel pipe 1-9 is that 15mm, wall thickness are 5mm in the present embodiment.
Steering gear 2 comprises otic placode 2-1, and one end of otic placode 2-1 is fixedly connected with the steel pipe 1-9 middle part external surface of insulating ladder 1 shaft tower side; Otic placode 2-1 outer end is hinged by the ∏ type connector 2-3 openend of pivot pin A2-2 and aluminum alloy material; The blind end of ∏ type connector 2-3 is by the hinged jig 2-4 of pivot pin B2-5; Jig 2-4 and cross arm of tower 5 clampings, the end face of the movable bayonet 2-4-1 of jig 2-4 and cross arm of tower 5 clampings is set to zigzag.
Slide unit 3 comprises the insulating slab 3-2 that is set in parallel in principal post 1-1 top, and insulating slab 3-2 is by being arranged on the side plate 3-1 location of insulating ladder 1 both sides; Each side plate 3-1 is near being respectively provided with four pulley 3-3 on the end face of principal post 1-1, pulley 3-3 is arranged on side plate 3-1 by rotating shaft 3-4.The position squarely structure of four pulley 3-3, wherein two pulley 3-3 are positioned at the top of principal post 1-1, and two other pulley 3-3 is positioned at the below of principal post 1-1, and upper lower sheave 3-3 is oppositely arranged the clamping by principal post 1-1, and can slide along principal post 1-1.
On the side of side plate 3-1 near cross arm of tower 5 sides, be fixedly installed a draw ring frame 3-5, the top of draw ring frame 3-5 arranges a draw ring 3-5-1, and draw ring 3-5-1 is used for hanging safety rope or safety belt.One insulation drag-line 4 is set on insulating slab 3-2, insulation drag-line 4 is for making slide unit 3 slide along principal post 1-1, one end of insulation drag-line 4 is fixedly connected in insulating slab 3-2 mono-side, the other end is successively through being arranged on the opposite side that is fixed on insulating slab 3-2 after the steel pipe 1-9 of fixed pulley 1-4, insulating ladder 1 shaft tower side of insulating ladder 1 side of wire was, and earth potential support staff is by pulling insulation drag-line 4 can control advancing of slide unit 3 or retreat.The diameter of drag-line 4 of insulating in the present embodiment is 12mm, and the pass between its length and insulating ladder 1 length is: (insulating ladder 1 length+2m) × 2m.
In the present embodiment, the edge of fixed pulley 1-4 arranges a baffle plate 1-6, for preventing that the insulation drag-line 4 on fixed pulley 1-4 from coming off at drawing process.
When the present invention uses, first the 1-8 that has contact with of livewire work slide side of wire was is hooked on wire, the steering gear 2 of shaft tower side is connected on the cross arm of tower 5 of shaft tower, and slide unit 2 is placed in to shaft tower side; Then equipotential live line work personnel sit on slide unit 2, safety belt are tied up in the draw ring 3-5-1 of link frame 3-5 simultaneously; After ready, earth potential less important work personnel on shaft tower pull insulation drag-line 4, traction slide unit 2 advances to job position, when after the end of job, earth potential less important work personnel pull insulation ropes 4, traction slide unit 2 retreats to shaft tower side, and under equipotential live line work personnel, slide unit 2 arrives shaft tower, the end of job.
Claims (6)
1. livewire work slide, comprise the insulating ladder (1) being erected between shaft tower and wire, described insulating ladder (1) comprises two principal posts that be arranged in parallel (1-1), evenly between two principal posts (1-1) is furnished with the insulation crosspiece (1-2) that some radicles are fixedly connected with principal post (1-1) by punching bolt A (1-3); Principal post (1-1) end of described insulating ladder (1) side of wire was arranges have contact with (1-8) for hook wire, and the middle part of principal post (1-1) is slidably matched and is useful on the slide unit (3) of erect-position; It is characterized in that: the shaft tower side of described insulating ladder (1) also arranges a steering gear for clamping cross arm of tower (5) (2), one end of described steering gear (2) is fixedly installed on by punching bolt C (1-10) and is arranged on the steel pipe (1-9) between two principal posts (1-1);
Described steering gear (2) comprises the otic placode (2-1) on the steel pipe (1-9) that is fixedly installed on insulating ladder (1) shaft tower side, the outer end of otic placode (2-1) is by the hinged ∏ type connector (2-3) of pivot pin A (2-2), and the blind end of ∏ type connector (2-3) is the jig (2-4) with cross arm of tower (5) clamping by pivot pin B (2-5) hinged;
The end face that the movable bayonet (2-4-1) of described jig (2-4) contacts with cross arm of tower (5) is zigzag.
2. livewire work slide according to claim 1, it is characterized in that: described slide unit (3) comprises that the biside plate (3-1) by being positioned at principal post (1-1) outside is arranged on the insulating slab (3-2) of principal post (1-1) top, described each side plate (3-1) near the end face of principal post (1-1) by rotating shaft (3-4) be respectively provided with four be slidably matched with principal post (1-1) and with the upper and lower pulley (3-3) along clamping of principal post (1-1).
3. livewire work slide according to claim 2, it is characterized in that: described side plate (3-1) is fixedly installed a draw ring frame (3-5) near on the side of shaft tower side, and the top of draw ring frame (3-5) is fixedly connected with and is useful on is the draw ring (3-5-1) of safety rope.
4. livewire work slide according to claim 2, it is characterized in that: on described insulating slab (3-2), be provided with the insulation drag-line (4) for slide unit (3) is slided along principal post (1-1), one end of described insulation drag-line (4) is fixedly connected in insulating slab (3-2) side, and the other end of insulation drag-line is successively through being arranged on the opposite side that is fixed on insulating slab (3-2) after the steel pipe (1-9) of fixed pulley (1-4), insulating ladder (1) cross-arm side of insulating ladder (1) side of wire was; Described fixed pulley (1-4) is arranged between two principal posts (1-1) by punching bolt B (1-7).
5. livewire work slide according to claim 4, is characterized in that: in described punching bolt B (1-7), be set with insulation tube (1-5).
6. livewire work slide according to claim 4, is characterized in that: the edge of described fixed pulley (1-4) is provided with the baffle plate (1-6) coming off for the drag-line (4) that prevents from insulating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210456287.XA CN102966301B (en) | 2012-11-14 | 2012-11-14 | Live working sliding board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210456287.XA CN102966301B (en) | 2012-11-14 | 2012-11-14 | Live working sliding board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966301A CN102966301A (en) | 2013-03-13 |
| CN102966301B true CN102966301B (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210456287.XA Active CN102966301B (en) | 2012-11-14 | 2012-11-14 | Live working sliding board |
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| Country | Link |
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| CN (1) | CN102966301B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104358513A (en) * | 2014-10-16 | 2015-02-18 | 国家电网公司 | Insulating ladder provided with pulley sitting stool |
| CN105576553A (en) * | 2014-11-11 | 2016-05-11 | 云南电网公司带电作业分公司 | Sliding insulation horizontal ladder device |
| CN104505767B (en) * | 2014-12-10 | 2017-01-04 | 国网浙江省电力公司台州供电公司 | Charged the continuing of suspended insulated guide wire uses operation instrument |
| CN105322463B (en) * | 2015-11-19 | 2018-02-09 | 国家电网公司 | UHV transmission line strain insulator-string insulation outlet stretches flat ladder |
| CN109638715A (en) * | 2018-12-26 | 2019-04-16 | 国网福建省电力有限公司宁德供电公司 | The hard ladder of the mobile insulation of hot line maintenance and its working method |
| CN110047349A (en) * | 2019-05-24 | 2019-07-23 | 国网浙江省电力有限公司培训中心 | Hot line maintenance mixes training system and method |
| CN110649504B (en) * | 2019-07-22 | 2021-05-04 | 国网浙江省电力有限公司湖州供电公司 | Insulating flat ladder of 500kV strain insulator shaft tower live working |
| CN112864937A (en) * | 2019-11-27 | 2021-05-28 | 国网山东省电力公司滨州供电公司 | Device for rush-repair tower |
| CN112392393B (en) * | 2020-11-13 | 2022-05-06 | 贵州电网有限责任公司 | Special ladder for replacing tension rod insulator |
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| CN202990822U (en) * | 2012-11-14 | 2013-06-12 | 邯郸供电公司 | Hot-line work sliding board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6769514B2 (en) * | 2002-01-07 | 2004-08-03 | Haverfield Corporation | Helicopter lineman's ladder and method for energized powerline repair |
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| JP2007278024A (en) * | 2006-04-11 | 2007-10-25 | Chugoku Electric Power Co Inc:The | Rope ladder for ascending/descending electric pole |
| CN102412521A (en) * | 2010-09-26 | 2012-04-11 | 河南省电力公司焦作供电公司 | Live working equipment for high-voltage power transmission line |
| CN202039764U (en) * | 2011-03-15 | 2011-11-16 | 辽宁省电力有限公司阜新供电公司 | Insulating ladder for live working of transformer substation combined buses |
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| CN102966301A (en) | 2013-03-13 |
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Owner name: STATE GRID HEBEI ELECTRIC POWER COMPANY HANDAN POW Free format text: FORMER OWNER: HEBEI ELECTRIC POWER CORPORATION STATE ELECTRIC NET CROP. Effective date: 20131125 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: HANDAN POWER SUPPLY COMPANY Effective date: 20131125 |
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Effective date of registration: 20131125 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: State Grid Hebei Electric Power Company Applicant after: Handan Power Supply Branch Company, State Grid Hebei Electric Power Company Address before: Congtai District 056002 in Hebei province Handan city in North China Street No. 48 Applicant before: Handan Power Supply Company Applicant before: Hebei Electric Power Corporation Applicant before: State Grid Corporation of China |
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