CN105401875A - Hanging ladder for maintaining electric transmission wire - Google Patents
Hanging ladder for maintaining electric transmission wire Download PDFInfo
- Publication number
- CN105401875A CN105401875A CN201511006436.2A CN201511006436A CN105401875A CN 105401875 A CN105401875 A CN 105401875A CN 201511006436 A CN201511006436 A CN 201511006436A CN 105401875 A CN105401875 A CN 105401875A
- Authority
- CN
- China
- Prior art keywords
- hook
- ladder
- rope
- crossbeam
- hooks
- 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.)
- Granted
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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
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- 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
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- 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 overhauling transmission pressure.
Background technology
The wire of transmission line of electricity, ground wire be subject to thunderbolt, gunslinging, blow out and to injure by a crashing object and the outside destroy such as short circuit burn hank knotting very easily occurs to break stock phenomenon, disconnected stock maintenance is an important overhaul process, and the damage of line maintenance regulatory requirements wire need be cut off reclosing or use preformed armor rods, protects lines and be wound around maintenance craft more than 25%.LHJ aluminium alloys preformed armor rods is sticked to form by the 4-4-4-3 monofilament of diameter 6 millimeters, and often overlap 15 X2.5 rice, hank knotting curved interior scribbles corundum, is wrapped in wire strand breakage place and makes tensile strength close to steel-cored aluminium strand.
Present stage adopts suspension ladder to carry out pre-wire to be wound around reparation, because preformed armor rods reaches 2.5 meters long, in winding, need to cross ladder continue to do 360 degree of rotations, original suspension ladder creates spacing problem, limit the circular motion of preformed armor rods in winding, back and forth asymptotic winding method can only be adopted, cause the preformed armor rods be wound around in advance under the weight of personnel's utensil, produce gross distortion corundum and come off.According to maintenance procedure regulation, wire strand breakage reparation must ensure that preformed armor rods winding is neat must not lack root.Adopt this method of operating, the preformed armor rods of gross distortion can only be wound around 14, because distortion preformed armor rods gap is strengthened, can not effectively ensure wire stretch-proof intensity, there is serious potential safety hazard.Transmission pressure is installed this suspension ladder to be needed with special crane, and this suspension ladder slides difficulty on rough wire, adds equipotential live line work person works intensity.Therefore, for the drawback of original suspension ladder, develop the suspension ladder of new maintenance transmission pressure in conjunction with actual conditions, conscientiously guarantee could be wound around the repair quality repairing transmission pressure with preformed armor rods.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of suspension ladder overhauling transmission pressure, when not using crane, convenient disassembly quick for installation, has the scope of repair expanding transmission pressure, ensure that transmission pressure maintenance is normally carried out, improve the feature of transmission pressure repair quality.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of suspension ladder overhauling transmission pressure, comprises hook, hook rope, tears rope hose tool, crossbeam and slip ladder open; Described hook has and is hung in for a pair on transmission pressure, each hook is equipped with hook rope and tears rope hose tool open, one end of described hook rope is fixing with hook, the other end of hook rope to be fixed and towards downward-extension along the gib head end of hook, described one end of tearing rope hose tool open is fixed on hook top, tears the other end of rope hose tool open towards downward-extension; Be provided with contiguous block in hook bottom, described contiguous block is provided with horizontal through hole, and the two ends of described crossbeam are each passed through through hole and are provided with limiting component, and described slip ladder is suspended on the crossbeam between two hooks.
To the further improvement that the present invention does be: described 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.Set up parsing davit and pulley stay cord, described 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 one end of described pulley stay cord is wrapped on slip ladder through lower sheave, and the other end of pulley stay cord is towards downward-extension.Set up rope ladder, described rope ladder upper end is connected with slip ladder bottom, and rope ladder lower end extends to ground.Described limiting component is caging bolt, and described caging bolt is arranged on the crossbeam outside contiguous block respectively.
The beneficial effect that produces of technique scheme is adopted to be: the hook rope of the present invention's design and tear rope hose tool open and make suspension ladder convenient disassembly quick for installation, operator pulls hook rope, two hooks hang on transmission pressure easily, save the expense using Large-scale Hoisting facility.Pull slip ladder conveniently moving with pulley stay cord, small crane conveying maintenance part can also be installed in pulley stay cord lower end.Maintainer is by the upper and lower safe ready of rope ladder.The present invention does not use crane convenient disassembly quick for installation, expands the scope of repair of transmission pressure, accelerates repair schedule, reduce recondition expense, improve repair quality, can ensure the safety of maintainer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A portion enlarged drawing in Fig. 2.
Parts and label thereof as shown in the figure: transmission pressure 1, hook 2, tear rope hose tool link 3, left chain wheel 4, transmission pressure breakage 5, top sheave 6, right pulley 7 open, tear rope hose tool 8 open, slip ladder 9, pulley stay cord 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.
Detailed description of the invention
A kind of suspension ladder overhauling transmission pressure, comprises hook 2, hook rope 17, tears rope hose tool 8, crossbeam 14 and slip ladder 9 open; Described hook 2 has and is hung in for a pair on transmission pressure 1, each hook 2 is equipped with hook rope 17 and tears rope hose tool 8 open, one end of described hook rope 17 is fixed with hook 2, the other end of hook rope 17 to be fixed and towards downward-extension along the gib head end of hook 2, described one end of tearing rope hose tool 8 open is fixed on hook 2 top, tears the other end of rope hose tool 8 open towards downward-extension; Be provided with contiguous block 15 in hook 2 bottom, described contiguous block 15 is provided with horizontal through hole 18, and the two ends of described crossbeam 14 are each passed through through hole 18 and are provided with limiting component, and described slip ladder 9 is suspended on the crossbeam 14 between two hooks 2.Described slip ladder 9 is provided with left chain wheel 4 and right pulley 7, and slip ladder 9 upper end is suspended on crossbeam 14 by left chain wheel 4 and right pulley 7.Set up parsing davit 13 and pulley stay cord 10, described parsing davit 13 is provided with top sheave 6 and lower sheave 12, parsing davit 13 is suspended on the crossbeam 9 between left chain wheel 4 and right pulley 7 by top sheave 6, one end of described pulley stay cord 10 is wrapped on slip ladder 9 through lower sheave 12, and the other end of pulley stay cord 6 is towards downward-extension.Set up rope ladder 11, described rope ladder 11 upper end is connected with slip ladder 9 bottom, and rope ladder 11 lower end extends to ground.Described limiting component is caging bolt 16, and described caging bolt 16 is arranged on the crossbeam 14 outside contiguous block 15 respectively.
One end of hook rope 17 is fixed with hook 2, the other end of hook rope 17 to be fixed and towards downward-extension along the gib head end of hook 2, this structure can be: hook rope 17 the other end stretch out from the gib head end inside of hook 2, also can be: hook rope 17 the other end be fixed on hook 2 gib head end side surface and towards downward-extension.
When suspension ladder is installed, strop can be connected with hook rope 17, weight is fixed in the termination of strop, operator stands in transmission pressure 1 side and adopts shooting rope method that strop is crossed above transmission pressure 1 to fall transmission pressure 1 opposite side ground, then strop and hook rope 17 is pulled, can hang on transmission pressure 1 by two hooks 2, operator climbs up slip ladder 9 by rope ladder 11, carries out pre-wire be wound around reparation to transmission pressure breakage 5.When ladder is hung in dismounting, first hold hook rope 17 and protect, and then slowly pull and tear rope hose tool 8 open, hook rope 17 slowly loosens, and two hooks 2 depart from from transmission pressure 1, hangs ladder fall earthward along with hook rope 17 loosens.
Claims (5)
1. one kind is overhauled the suspension ladder of transmission pressure, it is characterized in that: comprise hook (2), hook rope (17), tear rope hose tool (8), crossbeam (14) and slip ladder (9) open; Described hook (2) has and is hung in for a pair on transmission pressure (1), each hook (2) is equipped with hook rope (17) and tears rope hose tool (8) open, one end and the hook (2) of described hook rope (17) are fixed, the other end of hook rope (17) to be fixed and towards downward-extension along the gib head end of hook (2), described one end of tearing rope hose tool (8) open is fixed on hook (2) top, tears the other end of rope hose tool (8) open towards downward-extension; Contiguous block (15) is provided with in hook (2) bottom, described contiguous block (15) is provided with horizontal through hole (18), the two ends of described crossbeam (14) are each passed through through hole (18) and are provided with limiting component, and described slip ladder (9) is suspended on the crossbeam (14) between two hooks (2).
2. a kind of suspension ladder overhauling transmission pressure according to claim 1, it is characterized in that: described slip ladder (9) is provided with left chain wheel (4) and right pulley (7), slip ladder (9) upper end is suspended on crossbeam (14) by left chain wheel (4) and right pulley (7).
3. a kind of suspension ladder overhauling transmission pressure according to claim 2, it is characterized in that: set up parsing davit (13) and pulley stay cord (10), described parsing davit (13) is provided with top sheave (6) and lower sheave (12), parsing davit (13) is suspended on the crossbeam (9) between left chain wheel (4) and right pulley (7) by top sheave (6), one end of described pulley stay cord (10) is wrapped on slip ladder (9) through lower sheave (12), and the other end of pulley stay cord (6) is towards downward-extension.
4. a kind of suspension ladder overhauling transmission pressure according to claim 3, it is characterized in that: set up rope ladder (11), described rope ladder (11) upper end is connected with slip ladder (9) bottom, and rope ladder (11) lower end extends to ground.
5. a kind of suspension ladder overhauling transmission pressure according to claim 4, it is characterized in that: described limiting component is caging bolt (16), described caging bolt (16) is arranged on the crossbeam (14) in contiguous block (15) outside respectively.
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 true CN105401875A (en) | 2016-03-16 |
| CN105401875B 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451213A (en) * | 2016-11-02 | 2017-02-22 | 国网江苏省电力公司仪征市供电公司 | Overhead trolly working on aerial line |
| 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 |
| CN109854160A (en) * | 2019-03-19 | 2019-06-07 | 陕西理工大学 | A kind of winding self-locking safety insulating ladder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5291837U (en) * | 1975-12-29 | 1977-07-08 | ||
| US20050284703A1 (en) * | 2004-06-29 | 2005-12-29 | Deuer Joseph F | Mid-span fall protection system |
| 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 |
-
2015
- 2015-12-29 CN CN201511006436.2A patent/CN105401875B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5291837U (en) * | 1975-12-29 | 1977-07-08 | ||
| US20050284703A1 (en) * | 2004-06-29 | 2005-12-29 | Deuer Joseph F | Mid-span fall protection system |
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451213A (en) * | 2016-11-02 | 2017-02-22 | 国网江苏省电力公司仪征市供电公司 | Overhead trolly working on aerial line |
| 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 |
| CN109854160A (en) * | 2019-03-19 | 2019-06-07 | 陕西理工大学 | A kind of winding self-locking safety insulating ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105401875B (en) | 2017-05-10 |
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