CN105401875B - Hanging ladder for maintaining electric transmission wire - Google Patents
Hanging ladder for maintaining electric transmission wire Download PDFInfo
- Publication number
- CN105401875B CN105401875B CN201511006436.2A CN201511006436A CN105401875B CN 105401875 B CN105401875 B CN 105401875B CN 201511006436 A CN201511006436 A CN 201511006436A CN 105401875 B CN105401875 B CN 105401875B
- Authority
- CN
- China
- Prior art keywords
- hook
- rope
- ladder
- hooks
- crossbeam
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 36
- 238000012423 maintenance Methods 0.000 claims abstract description 18
- 239000000725 suspension Substances 0.000 claims description 19
- 238000004804 winding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
- E06C1/36—Ladders suspendable by hooks or the like
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/58—Ladders in general with both rigid and non-rigid longitudinal members
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
- E06C7/505—Anchors being adapted to fix a ladder to a vertical structure, e.g. ladder hooks
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a hanging ladder for maintaining an electric transmission wire. The hanging ladder comprises hooks, hook ropes, hook disassembling ropes, a crossbeam and a sliding ladder rack; the quantity of the hooks is 2, the hooks are respectively hanged on the electric transmission wire, the hooks are respectively provided with the hook ropes and the hook disassembling ropes, one ends of the hook ropes are fixed to the hooks, the other ends of the hook ropes are fixed along the hook heads of the hooks and downward extend, one ends of the hook disassembling ropes are fixedly arranged at the upper portions of the hooks, and the other ends of the hook disassembling ropes downward extend; and the lower portions of the hooks are provided with connecting blocks, the connecting blocks are provided with transverse through holes, two ends of the crossbeam respectively traverse through the through holes and are provided with stopping parts, and the sliding ladder rack hangs on the crossbeam between the two hooks. The hanging ladder has the characteristics of realization of fast mounting and convenient dismounting without a crane, enlargement of the maintaining range of the electric transmission wire, guaranteeing of normal implementation of maintenance of the electric transmission wire, reduction of the maintaining cost, and improvement of the maintaining quality of the electric transmission wire.
Description
Technical field
The present invention relates to electric power overhaul technical field, particularly a kind of suspension ladder of maintenance transmission pressure.
Background technology
The wire of transmission line of electricity, ground wire are struck by lightning, gunslinging, blow out injure by a crashing object and short circuit burn etc. external force destruction easily send out
The stranded phenomenon of life hank knotting, stranded maintenance is an important overhaul process, and line maintenance regulatory requirements wire is damaged to be needed more than 25%
Cut-out reclosing winds maintenance craft using preformed armor rods, shield lines.LHJ aluminium alloys preformed armor rods is mono- by the 4-4-4-3 of 6 millimeters of diameter
Silk is sticked to form, and often covers 15 X2.5 rice, and hank knotting curved interior scribbles corundum, and being wrapped at wire strand breakage connects tensile strength
Nearly steel-cored aluminium strand.
It is at this stage to carry out pre-wire winding using suspension ladder to repair, because preformed armor rods reaches 2.5 meters long, needs in winding
Cross ladder to continue to do 360 degree of rotations, original suspension ladder generates spacing problem, limits circle of the preformed armor rods in winding
Zhou Yundong, can only adopt reciprocal asymptotic winding method, cause the preformed armor rods for winding in advance to produce under the weight of personnel's utensil
Gross distortion corundum comes off.Specify according to maintenance procedure, wire strand breakage reparation must assure that preformed armor rods winding is neat must not be lacked
Root.Using this method of operating, the preformed armor rods of gross distortion can only wind 14, because deformation preformed armor rods gap increases, it is impossible to
Wire stretch-proof intensity is effectively ensured, there is serious potential safety hazard.This suspension ladder is installed on transmission pressure to be needed with specially
The crane of door, this suspension ladder slides difficulty, increased equipotential live line work person works' intensity on rough wire.
Therefore, for original suspension ladder the drawbacks of, the suspension ladder of new maintenance transmission pressure is developed with reference to actual conditions, just can be cut
Real guarantee winds the repair quality for repairing transmission pressure with preformed armor rods.
The content of the invention
The technical problem to be solved is to provide a kind of suspension ladder of maintenance transmission pressure, is not using crane
In the case of, convenient disassembly quick for installation, with the scope of repair for expanding transmission pressure, it is ensured that transmission pressure maintenance is normally carried out,
The characteristics of improving transmission pressure repair quality.
To solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of suspension ladder of maintenance transmission pressure,
Including hook, hook rope, tear rope hose tool, crossbeam and slip ladder open；The hook has a pair and is hung on transmission pressure, each extension
Hook is equipped with hook rope and tears rope hose tool open, and one end and the hook of the hook rope are fixed, and links up with the hook of the other end of rope along hook
Head end is fixed and extended down, and described one end for tearing rope hose tool open is fixed on hook top, and the other end for tearing rope hose tool open extends down；Hang
Hook bottom is provided with contiguous block, and the contiguous block is provided with horizontal through hole, and the two ends of the crossbeam are each passed through through hole and are provided with limit
Position part, the slip ladder is suspended on the crossbeam between two hooks.
It is to the further improvement that the present invention is done：The slip ladder is provided with left chain wheel and right pulley, slip ladder
Upper end is suspended on crossbeam by left chain wheel and right pulley.Parsing davit and pulley drawstring are set up, the parsing davit is provided with
Top sheave and lower sheave, parsing davit is suspended on the crossbeam between left chain wheel and right pulley by top sheave, and the pulley draws
One end of rope is wrapped on slip ladder through lower sheave, and the other end of pulley drawstring extends down.Set up rope ladder, the rope ladder
Upper end is connected with slip ladder bottom, and rope ladder lower end extends to ground.The limiting component is caging bolt, described spacing
Bolt is separately mounted on the crossbeam on the outside of contiguous block.
It is using the beneficial effect produced by above-mentioned technical proposal：The hook rope of present invention design and tear rope hose tool open and make suspension
Ladder convenient disassembly quick for installation, operator pulls hook rope, two hooks easily to hang on transmission pressure, save and use
The expense of Large-scale Hoisting facility.Slip ladder conveniently moving is pulled with pulley drawstring, can be with little in the installation of pulley drawstring lower end
Type crane conveying maintenance part.Maintainer passes through the upper and lower safe ready of rope ladder.The present invention does not use crane dismounting quick for installation
It is convenient, the scope of repair of transmission pressure is expanded, repair schedule is accelerated, cost of overhaul use is reduced, repair quality is improve, can
Ensure the safety of maintainer.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the A portions enlarged drawing in Fig. 2.
Part and its label as shown in the figure：Transmission pressure 1, hook 2, to tear rope hose tool link 3, left chain wheel 4, transmission pressure open damaged
Place 5, top sheave 6, right pulley 7, tear open rope hose tool 8, slip ladder 9, pulley drawstring 10, rope ladder 11, lower sheave 12, parsing davit 13,
Crossbeam 14, contiguous block 15, caging bolt 16, hook rope 17, through hole 18, hook rope colligation termination 19.
Specific embodiment
A kind of suspension ladder of maintenance transmission pressure, including link up with 2, hook rope 17, tear rope hose tool 8, crossbeam 14 and slip ladder open
9；The hook 2 has a pair and is hung on transmission pressure 1, and each hook 2 is equipped with hook rope 17 and tears rope hose tool 8, the extension open
One end of rope hose tool 17 is fixed with hook 2, and the other end of hook rope 17 is fixed and extended down along the gib head end of hook 2, described
The one end for tearing rope hose tool 8 open is fixed on 2 tops of hook, and the other end for tearing rope hose tool 8 open extends down；Contiguous block 15 is provided with 2 bottoms are linked up with,
The contiguous block 15 is provided with horizontal through hole 18, and the two ends of the crossbeam 14 are each passed through through hole 18 and are provided with limiting component, institute
State on the crossbeam 14 that slip ladder 9 is suspended between two hooks 2.The slip ladder 9 is provided with left chain wheel 4 and right pulley 7,
The upper end of slip ladder 9 is suspended on crossbeam 14 by left chain wheel 4 and right pulley 7.Parsing davit 13 and pulley drawstring 10 are set up,
The parsing davit 13 is provided with top sheave 6 and lower sheave 12, and parsing davit 13 is suspended on left chain wheel 4 and right cunning by top sheave 6
On crossbeam 14 between wheel 7, one end of the pulley drawstring 10 is wrapped on slip ladder 9 through lower sheave 12, pulley drawstring
10 other end extends down.Rope ladder 11 is set up, the upper end of the rope ladder 11 is connected with the bottom of slip ladder 9, under rope ladder 11
End extends to ground.The limiting component is caging bolt 16, and the caging bolt 16 is separately mounted to the outside of contiguous block 15
On crossbeam 14.
Hook rope 17 one end with hook 2 fix, hook rope 17 the other end along hook 2 gib head end fix and down
Extend, this structure can be：Hook rope 17 the other end from hook 2 gib head end inside stretch out, or：Hook rope 17
The other end be fixed on hook 2 gib head end side surface and extend down.
When suspension ladder is installed, strop and hook rope 17 can be connected, in the termination of strop weight is fixed, operator stands
Make strop cross the top of transmission pressure 1 using shooting rope method in the side of transmission pressure 1 and fall the opposite side ground of transmission pressure 1, so
Strop and hook rope 17 being pulled afterwards, two hooks 2 being hung on transmission pressure 1, operator climbs up slip by rope ladder 11
Ladder 9, pre-wire winding is carried out to transmission pressure breakage 5 and is repaired.When ladder is hung in dismounting, hook rope 17 is held first and is protected
Shield, then slowly pulls again and tears rope hose tool 8 open, and hook rope 17 slowly loosens, and two hooks 2 depart from from transmission pressure 1, with hook rope
17 loosen suspension ladder falls earthward.
Claims (5)
1. a kind of suspension of maintenance transmission pressure is terraced, it is characterised in that：Including hook（2）, hook rope（17）, tear rope hose tool open（8）, it is horizontal
Beam（14）With slip ladder（9）；The hook（2）Have a pair and be hung in transmission pressure（1）On, each hook（2）It is equipped with
Hook rope（17）With tear rope hose tool open（8）, the hook rope（17）One end with hook（2）It is fixed, hook rope（17）Other end edge
Hook（2）Gib head end fix and extend down, it is described to tear rope hose tool open（8）One end be fixed on hook（2）Top, tears rope hose tool open
（8）The other end extend down；In hook（2）Bottom is provided with contiguous block（15）, the contiguous block（15）It is provided with horizontal through hole
（18）, the crossbeam（14）Two ends be each passed through through hole（18）And it is provided with limiting component, the slip ladder（9）It is suspended on two
Individual hook（2）Between crossbeam（14）On.
2. a kind of suspension of maintenance transmission pressure according to claim 1 is terraced, it is characterised in that：The slip ladder（9）
It is provided with left chain wheel（4）And right pulley（7）, slip ladder（9）Upper end passes through left chain wheel（4）And right pulley（7）It is suspended on horizontal stroke
Beam（14）On.
3. a kind of suspension of maintenance transmission pressure according to claim 2 is terraced, it is characterised in that：Set up parsing davit（13）
With pulley drawstring（10）, the parsing davit（13）It is provided with top sheave（6）And lower sheave（12）, parsing davit（13）By upper cunning
Wheel（6）It is suspended on left chain wheel（4）And right pulley（7）Between crossbeam（14）On, the pulley drawstring（10）One end pass through under
Pulley（12）It is wrapped in slip ladder（9）On, pulley drawstring（10）The other end extend down.
4. a kind of suspension of maintenance transmission pressure according to claim 3 is terraced, it is characterised in that：Set up rope ladder（11）, institute
State rope ladder（11）Upper end and slip ladder（9）Bottom is connected, rope ladder（11）Lower end extends to ground.
5. a kind of suspension of maintenance transmission pressure according to claim 4 is terraced, it is characterised in that：The limiting component is limited
Position bolt（16）, the caging bolt（16）It is separately mounted to contiguous block（15）The crossbeam in outside（14）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006436.2A CN105401875B (en) | 2015-12-29 | 2015-12-29 | Hanging ladder for maintaining electric transmission wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006436.2A CN105401875B (en) | 2015-12-29 | 2015-12-29 | Hanging ladder for maintaining electric transmission wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105401875A CN105401875A (en) | 2016-03-16 |
| CN105401875B true CN105401875B (en) | 2017-05-10 |
Family
ID=55467591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511006436.2A Active CN105401875B (en) | 2015-12-29 | 2015-12-29 | Hanging ladder for maintaining electric transmission wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105401875B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451213B (en) * | 2016-11-02 | 2018-08-07 | 国网江苏省电力公司仪征市供电公司 | A kind of driving for on-line operation |
| CN106761360A (en) * | 2016-11-17 | 2017-05-31 | 国家电网公司 | Slide carry insulated hook ladder |
| CN107546645A (en) * | 2017-09-28 | 2018-01-05 | 国网山东省电力公司烟台供电公司 | Transmission line high-altitude job platform |
| CN108868575A (en) * | 2018-08-14 | 2018-11-23 | 国网辽宁省电力有限公司辽阳供电公司 | A kind of portable insulated centipede |
| CN109854160B (en) * | 2019-03-19 | 2020-03-31 | 陕西理工大学 | Winding self-locking type safe insulating ladder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5291837U (en) * | 1975-12-29 | 1977-07-08 | ||
| CN102664368A (en) * | 2012-05-11 | 2012-09-12 | 辽宁省电力有限公司盘锦供电公司 | Locking hook for use in high-altitude live-wire operation |
| CN203905792U (en) * | 2014-06-18 | 2014-10-29 | 国网江西省电力公司抚州供电分公司 | 110kV-220kV overhead line outlet sliding board |
| CN104300431A (en) * | 2014-10-31 | 2015-01-21 | 国家电网公司 | Horizontal ladder with remotely-controlled anti-falling locking hook |
| CN205277280U (en) * | 2015-12-29 | 2016-06-01 | 国家电网公司 | Overhaul ladder that hangs of transmission pressure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7219766B2 (en) * | 2004-06-29 | 2007-05-22 | Deuer Joseph F | Mid-span fall protection system |
-
2015
- 2015-12-29 CN CN201511006436.2A patent/CN105401875B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5291837U (en) * | 1975-12-29 | 1977-07-08 | ||
| CN102664368A (en) * | 2012-05-11 | 2012-09-12 | 辽宁省电力有限公司盘锦供电公司 | Locking hook for use in high-altitude live-wire operation |
| CN203905792U (en) * | 2014-06-18 | 2014-10-29 | 国网江西省电力公司抚州供电分公司 | 110kV-220kV overhead line outlet sliding board |
| CN104300431A (en) * | 2014-10-31 | 2015-01-21 | 国家电网公司 | Horizontal ladder with remotely-controlled anti-falling locking hook |
| CN205277280U (en) * | 2015-12-29 | 2016-06-01 | 国家电网公司 | Overhaul ladder that hangs of transmission pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105401875A (en) | 2016-03-16 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |