CN105826869A - Rope ladder head combined device for repairing overhead transmission line - Google Patents
Rope ladder head combined device for repairing overhead transmission line Download PDFInfo
- Publication number
- CN105826869A CN105826869A CN201610415946.3A CN201610415946A CN105826869A CN 105826869 A CN105826869 A CN 105826869A CN 201610415946 A CN201610415946 A CN 201610415946A CN 105826869 A CN105826869 A CN 105826869A
- Authority
- CN
- China
- Prior art keywords
- transmission line
- rope ladder
- overhead transmission
- ladder head
- maintenance
- 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.)
- Pending
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Classifications
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention provides a rope ladder head combined device for repairing an overhead transmission line. The rope ladder head combined device for repairing the overhead transmission line comprises a rope ladder head, pulleys and fixing assemblies, wherein the rope ladder head comprises two oppositely-arranged vertical rods and multiple cross rods connected between the two oppositely-arranged vertical rods, the upper ends of the vertical rods are hanging-connecting portions, the pulleys are located in the hanging-connecting portions and are in rotary connection with the inner surfaces of the hanging-connecting portions and are used for being hung and connected on the overhead transmission line, the fixing assemblies penetrate through the hanging-connecting portions in the vertical directions and can be in abutting connection with the upper surfaces of the pulleys. When the rope ladder head combined device is used, the pulleys are hung and connected to the overhead transmission line and can rotate with respect to the hanging-connecting portions; after the rope ladder head combined device slides to the required position, the fixing assemblies can be downwards moved so that the fixing assemblies can be in abutting connection with the upper surfaces of the pulleys, the pulleys encounter resistance of the fixing assemblies and cannot rotate, accordingly sliding of the rope ladder head on the overhead transmission line is avoided, and the safety of a live working operator is improved.
Description
Technical field
The present invention relates to electrical equipment, especially relate to a kind of maintenance of overhead transmission line rope ladder head combination unit.
Background technology
Livewire work refers to a kind of operational method carrying out overhauling, test that do not has a power failure on high-tension electricity construction equipment.Electrical equipment needs often to test in longtime running, inspection and maintenance.Livewire work is to avoid maintenance to have a power failure, it is ensured that the effective measures of normal power supply.The content of livewire work can be divided into the several respects such as live testing, on-line checking method and power-on serving.
The object of livewire work includes power plant and Electrical Equipment for Substation, overhead transmission line, distribution line and controller switching equipment.Wherein, overhead transmission line is to be set up on ground, utilizes insulator and air-insulated power circuit, the partly composition such as ceases to be busy routing wires, aerial earth wire, insulator chain, shaft tower, grounding device.In the past overhead transmission line was when maintenance, livewire work personnel or climb up from iron towers of overhead power transmission lines, or after hanging rope ladder head on transmission pressure, then climbed up by rope ladder head.
Fig. 1 is the front view of traditional maintenance of overhead transmission line rope ladder head；Fig. 2 is the left view of traditional maintenance of overhead transmission line rope ladder head；As depicted in figs. 1 and 2, this maintenance of overhead transmission line rope ladder head includes two montants being oppositely arranged 101 and the cross bar 102 multiple parallel to each other being connected between two montants 101, wherein, the upper end of two montants 101 is mounting part 103, mounting part 103 is circular arc, as in figure 2 it is shown, user, the mounting part 103 of circular arc is directly hung on overhead transmission line conductor by maintainer, then carries out upkeep operation.
When maintenance of overhead transmission line, using this maintenance of overhead transmission line rope ladder head, rope ladder head can slide on overhead transmission line so that livewire work personnel are when maintenance, and safety is poor.
Summary of the invention
It is an object of the invention to provide a kind of maintenance of overhead transmission line rope ladder head combination unit, to solve the technical problem of rope ladder head poor stability of the prior art.
The present invention provides a kind of maintenance of overhead transmission line rope ladder head combination unit, and described maintenance of overhead transmission line rope ladder head combination unit includes:
Rope ladder head, described rope ladder head includes be oppositely arranged two montants and is connected to the multiple cross bars between two montants being oppositely arranged, and the upper end of described montant is mounting part；
Pulley, described pulley is positioned at described mounting part and the inner surface with described mounting part is rotationally connected, and described pulley is used for being articulated in overhead transmission line；
Fixation kit, described fixation kit is vertically through described mounting part, and described fixation kit can abut with the upper surface of described pulley.
Further, described maintenance of overhead transmission line rope ladder head combination unit includes horizontally disposed connecting shaft, the two ends of described connecting shaft are fixing with the inner surface of described mounting part respectively to be connected, and described pulley sleeve is located in described connecting shaft and can rotate relative to described connecting shaft.
Further, described fixation kit is bolt, and described mounting part is provided with screwed hole, and described bolt cross-under is in described screwed hole.
Further, described maintenance of overhead transmission line rope ladder head combination unit also includes the closing assembly for preventing described rope ladder head from coming off, described closing assembly includes closing plate and gripper shoe, wherein, the lower end of described gripper shoe is hinged with described montant and forms the first pin joint, the middle part of described closing plate is hinged with described montant and forms the second pin joint, described second pin joint is positioned at the top of described first pin joint, first end of the upper and described closing plate of described gripper shoe is hinged, and the second end of described closing plate is for closing the opening of described mounting part.
Further, described maintenance of overhead transmission line rope ladder head combination unit also includes that latch assembly, described latch assembly are connected with described closing assembly, for described closing assembly is locked at detent position.
Further, described latch assembly includes the first locking member, described first locking member is the spring being connected between the lower end of described gripper shoe and the second end of described closing plate, when the second end of described closing plate abuts with the part away from described montant of described mounting part, described spring is in compressive state.
Further, described latch assembly includes the second locking member, described second locking member is hook, one end of described hook is hinged with described montant and forms the 3rd pin joint, described 3rd pin joint is positioned at the top of described second pin joint, the other end of described hook is for being connected with described closing plate, to strain described closing plate.
Further, described closing plate is provided with handle.
Further, described maintenance of overhead transmission line rope ladder head combination unit also includes that the support seat being connected between two described montants, described support seat are the semicircle of concave downward.
Further, described support seat and two described montants are respectively articulated with, so that described support seat can rotate relative to described montant.
Maintenance of overhead transmission line rope ladder head combination unit in the present invention includes rope ladder head, pulley and fixing device, during use, pulley is articulated on overhead transmission line, pulley can rotate relative to mounting part, to be moved easily this maintenance rope ladder head combination unit, after this rope ladder head combination unit slides into desired location, fixation kit can be moved down, fixation kit is made to abut with the upper surface of pulley, pulley cannot be rotated by the resistance of fixation kit, thus pulley and rope ladder head are maintained at this desired location, thus avoid rope ladder head and slide on overhead transmission line, improve the safety of livewire work personnel.
Accompanying drawing explanation
Fig. 1 is the front view of traditional maintenance of overhead transmission line rope ladder head；
Fig. 2 is the side view of traditional maintenance of overhead transmission line rope ladder head；
Fig. 3 is the front view of the maintenance of overhead transmission line rope ladder head combination unit that the embodiment of the present invention provides；
Fig. 4 is the side view (closing assembly is in non-close position) of the maintenance of overhead transmission line rope ladder head combination unit that the embodiment of the present invention provides；
Fig. 5 is the side view (closing assembly is in detent position) of the maintenance of overhead transmission line rope ladder head combination unit that the embodiment of the present invention provides.
Accompanying drawing explanation
101-montant；102-cross bar；103-mounting part；1-rope ladder head；11-montant；12-cross bar；13-mounting part；2-pulley；3-bolt；4-connecting shaft；5-closes plate；6-gripper shoe；7-spring；8-supports seat；A-the first pin joint；B-the second pin joint.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second ", be only used for describe purpose, and it is not intended that instruction or hint relative importance.Wherein, term " primary importance " is two different positions with " second position ".
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
Fig. 3 is the front view of the maintenance of overhead transmission line rope ladder head combination unit that the embodiment of the present invention provides；Fig. 4 is the side view of the maintenance of overhead transmission line rope ladder head combination unit that the embodiment of the present invention provides.
The present invention provides a kind of maintenance of overhead transmission line rope ladder head combination unit, as shown in Figure 3 and Figure 4, this maintenance of overhead transmission line rope ladder head combination unit includes: rope ladder head 1, pulley 2 and fixation kit, described rope ladder head 1 includes be oppositely arranged two montants 11 and is connected to the multiple cross bars 12 between two montants being oppositely arranged 11, and the upper end of described montant 11 is mounting part 13；Described pulley 2 is positioned at described mounting part 13 and the inner surface with described mounting part 13 is rotationally connected, and described pulley 2 is used for being articulated in overhead transmission line；Described fixation kit is vertically through described mounting part 13, and described fixation kit can abut with the upper surface of described pulley 2.
Mounting part 13 is hollow structure, and during use, pulley 2 is hung on overhead transmission line conductor, and mounting part 13 is articulated on overhead transmission line by pulley 2.
Rope ladder head 1 is a kind of convenient tool carrying out livewire work for connecting rope ladder hanging on the wire of overhead transmission line.Overhead transmission line is when maintenance, after livewire work personnel hang rope ladder on the wire of overhead transmission line, then is climbed up by rope ladder head 1.
Maintenance of overhead transmission line rope ladder head combination unit in the present invention includes rope ladder head 1, pulley 2 and fixing device, during use, pulley 2 is articulated on overhead transmission line, pulley 2 can rotate relative to mounting part 13, to be moved easily this maintenance rope ladder head 1 combination unit, after this rope ladder head 1 combination unit slides into desired location, fixation kit can be moved down, fixation kit is made to abut with the upper surface of pulley 2, pulley 2 cannot be rotated by the resistance of fixation kit, thus pulley 2 and rope ladder head 1 are maintained at this desired location, thus avoid rope ladder head 1 and slide on overhead transmission line, improve the safety of livewire work personnel.
Wherein, mounting part 13 can be the circular arc in Fig. 3 and Fig. 4, it is also possible to for U-shaped, it is also possible to for other various applicable shapes.
Being rotationally connected of pulley 2 and mounting part 13 can be realized to use various structures and form.
In one embodiment of the invention, maintenance of overhead transmission line rope ladder head combination unit includes horizontally disposed connecting shaft 4, the two ends of described connecting shaft 4 are fixing with the inner surface of described mounting part 13 respectively to be connected, and described pulley 2 is set in described connecting shaft 4 and can rotate relative to described connecting shaft 4.It is to say, when this maintenance of overhead transmission line rope ladder head combination unit moves along the wire of overhead transmission line, pulley 2 rolls, connecting shaft 4 and rope ladder head 1 move along the wire of overhead transmission line.The present embodiment realizes being rotationally connected of pulley 2 and mounting part 13 by being rotationally connected of pulley 2 and connecting shaft 4 time, and simple in construction is easy to make.
In another embodiment of the present invention, maintenance of overhead transmission line rope ladder head combination unit includes horizontally disposed connecting shaft 4, the two ends of described connecting shaft 4 inner surface with described mounting part 13 respectively is slidably connected, and described pulley 2 fixed cover is located in described connecting shaft 4 and jointly can rotate relative to described mounting part 13 with described connecting shaft 4.It is to say, when this maintenance of overhead transmission line rope ladder head combination unit moves along the wire of overhead transmission line, pulley 2 and connecting shaft 4 roll along the wire of overhead transmission line jointly, and rope ladder head 1 moves along the wire of overhead transmission line.
In the present invention, can be that bearing pin, bolt 3 etc. are various can abut the parts preventing described pulley 2 from rotating with fixing described pulley 2 to fixation kit with the upper surface of pulley 2.
Preferably, described fixation kit is bolt 3, and described mounting part 13 is provided with screwed hole, and the cross-under of described bolt 3 is in described screwed hole.When first direction (such as clockwise) swivel bolt 3, bolt 3 moves down, and is connected on pulley 2, stops pulley 2 to rotate, makes pulley 2 be clamped on the wire of overhead transmission line.Otherwise, when second direction (such as counterclockwise) swivel bolt 3, bolt 3 moves up, and leaves the upper surface of pulley 2, produces gap with the upper surface of pulley 2, and pulley 2 can be freely along the wire rotation of overhead transmission line.
In another embodiment of the invention, on described mounting part 13, unthreaded hole is set, the fixing connection of the upper surface of mounting part 13 (such as welding) has nut, described nut is oppositely arranged with described unthreaded hole, and described bolt 3 can abut with the outer surface of described pulley 2 after sequentially passing through this nut, unthreaded hole.Pulley 2 is fixed by bolt 3 screwing in nut.
Fig. 5 is the side view (closing assembly is in detent position) of the maintenance of overhead transmission line rope ladder head combination unit that the embodiment of the present invention provides.
Further, described maintenance of overhead transmission line rope ladder head combination unit also includes the closing assembly for preventing described rope ladder head 1 from coming off, see Fig. 4 and Fig. 5, described closing assembly includes closing plate 5 and gripper shoe 6, wherein, the lower end of described gripper shoe 6 is hinged with described montant 11 and forms the first pin joint A, the middle part of described closing plate 5 is hinged with described montant 11 and forms the second pin joint B, described second pin joint B is positioned at the top of described first pin joint A, first end of the upper and described closing plate 5 of described gripper shoe 6 is hinged, second end of described closing plate 5 is for closing the opening of described mounting part 13.
Second end of described closing plate 5 is for abutting with the part away from described montant 11 (lower end of the left part in Fig. 4) of described mounting part 13, to close the opening of described mounting part 13.During use, maintainer rotates closing plate 5, close plate 5 to rotate around the second pin joint B, simultaneously, gripper shoe 6 rotates around the first pin joint A, when closing the lower end in contact of the second end and mounting part 13 of plate 5 (seeing Fig. 5), close plate 5 by the closure of openings of mounting part 13, so, the wire of overhead transmission line is just enclosed in by mounting part 13 and closes in the closing space that plate 5 is collectively forming, such that make rope ladder head 1 slide, also will not come off from the wire of overhead transmission line, improve the safety of livewire work personnel.
In order to improve the safety of livewire work personnel further, preferably, described maintenance of overhead transmission line rope ladder head combination unit also includes latch assembly, described latch assembly is connected with described closing assembly, for described closing assembly is locked at detent position, in the present embodiment, detent position is to close location when the second end seal of plate 5 closes the opening of described mounting part 13.After maintenance of overhead transmission line rope ladder head combination unit is articulated on the wire of overhead transmission line, closing plate 5 can be rotated, make closing plate 5 close the opening of mounting part 13, then operate latch assembly, closing plate 5 is locked at this position.The present embodiment, by arranging latch assembly, improves the safety and reliability of closing assembly work.
Latch assembly as long as closing plate 5 can be locked, can make closing plate 5 be maintained at locked position with various applicable structures.
In one embodiment of the invention, described latch assembly includes the first locking member, described first locking member is the spring 7 being connected between the lower end of described gripper shoe 6 and the second end of described closing plate 5, when the second end of described closing plate 5 abuts with the part away from described montant 11 of described mounting part 13 (seeing Fig. 5), described spring 7 is in compressive state and (also just says, in the case of closed rod not being applied external force, closed rod abuts with mounting part 13 under the elastic force effect of spring 7 automatically, thus closes the opening of mounting part 13).Owing to therefore spring 7 is in compressive state, spring 7 has, to closing, the trend that the second end making closed rod moves towards described mounting part 13, so that closed rod is in close contact with mounting part 13 all the time, it is maintained at detent position, stops rope ladder head 1 and come off from the wire of overhead transmission line.Additionally, spring 7, closing plate 5 and gripper shoe 6 three connect formation triangular structure, stability is strong, and spring 7 can also keep closing stablizing and closing the plate 5 sealing process to the opening of mounting part 13 of plate 5 to closing being supported of plate 5.
When needing to take off this maintenance of overhead transmission line rope ladder head combination unit from the wire of overhead transmission line, closing plate 5 can be pressed, closing plate 5 is made to rotate counterclockwise around the second pin joint B, the second end making closing plate 5 separates with mounting part 13, then moves the opening part abjection that rope ladder head 1 makes the wire of overhead transmission line from mounting part 13；Otherwise, when needing to be arranged on the wire of overhead transmission line this maintenance of overhead transmission line rope ladder head combination unit, closing plate 5 can be pressed, spring 7 is compressed, closing plate 5 is made to rotate counterclockwise around the second pin joint B, the second end making closing plate 5 separates with mounting part 13, then rope ladder head 1 is articulated on the wire of overhead transmission line (contacting in the wire of the overhead transmission line opening part from mounting part 13 enters mounting part 13 and with the lower surface of pulley 2), after unclamping closing plate 5, close plate 5 automatically to rotate clockwise around the second pin joint B under the elastic force effect of spring 7, until the second end closing plate 5 abuts with mounting part 13, thus close the described opening of mounting part 13, spring 7 is locked at this detent position (closing the position that the opening of joint portion closed by plate 5) by closing plate 5.
In another embodiment of the present invention, described latch assembly includes the second locking member, described second locking member is hook, one end of described hook is hinged with described montant 11 and forms the 3rd pin joint, described 3rd pin joint is positioned at the top of described second pin joint B, the other end of described hook is for being connected with described closing plate 5, to strain described closing plate 5.When closing plate 5 and turning to abut with mounting part 13, hook is articulated in closing, owing to the 3rd pin joint is positioned at the top of the second pin joint B, therefore hook is positioned at the top closing plate 5, link up with and closing plate 5 is applied pulling force upwards, make closing plate 5 abut with mounting part 13, link up with and be locked at this detent position (closing the position that the opening of joint portion closed by plate 5) by closing plate 5, prevent the second end closing plate 5 from dropping downwards, improve safety.
Rotate for convenience and close plate 5, it is preferable that in the present embodiment, described closing plate 5 is provided with handle.Livewire work personnel are by holding handle, it is convenient to rotate and close plate 5.
Further, as it is shown on figure 3, described maintenance of overhead transmission line rope ladder head combination unit also includes the support seat 8 being connected between two described montants 11, described support seat 8 is the semicircle of concave downward.The present embodiment is by setting up semicircular support seat 8, and livewire work personnel can be sitting in the case of fastening seat belts on this support seat 8 and be operated, and facilitate livewire work personnel to carry out various upkeep operation.
Preferably, described support seat 8 is respectively articulated with two described montants 11, so that described support seat 8 can rotate relative to described montant 11.Usually, supporting seat 8 and be in level, after livewire work personnel are sitting on this support seat 8, thigh basic horizontal, upper body is vertical.Livewire work personnel can also carry out rotational support seat 8 according to the position of required maintenance, until livewire work personnel are considered at the position of comfort and convenient operation.The present embodiment, by supporting the rotation of seat 8, can make livewire work personnel obtain preferably operating position, facilitate livewire work personnel to carry out various operation neatly.
Specifically, the slewing area supporting seat 8 can be 90 degree, supports seat 8 and can turn to forward the position horizontal by 45 °, supports seat 8 and can rotate back to the position horizontal by 45 °.Livewire work personnel can drive support seat 8 to rotate in the range of these 90 ° according to the position of reality maintenance.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a maintenance of overhead transmission line rope ladder head combination unit, it is characterised in that including:
Rope ladder head, described rope ladder head includes be oppositely arranged two montants and is connected to the multiple cross bars between two montants being oppositely arranged, and the upper end of described montant is mounting part；
Pulley, described pulley is positioned at described mounting part and the inner surface with described mounting part is rotationally connected, and described pulley is used for being articulated in overhead transmission line；
Fixation kit, described fixation kit is vertically through described mounting part, and described fixation kit can abut with the upper surface of described pulley.
Maintenance of overhead transmission line rope ladder head combination unit the most according to claim 1, it is characterized in that, including horizontally disposed connecting shaft, the two ends of described connecting shaft are fixing with the inner surface of described mounting part respectively to be connected, and described pulley sleeve is located in described connecting shaft and can rotate relative to described connecting shaft.
Maintenance of overhead transmission line rope ladder head combination unit the most according to claim 1, it is characterised in that described fixation kit is bolt, described mounting part is provided with screwed hole, and described bolt cross-under is in described screwed hole.
4. according to the rope ladder head combination unit of the maintenance of overhead transmission line according to any one of claim 1-3, it is characterized in that, also include the closing assembly for preventing described rope ladder head from coming off, described closing assembly includes closing plate and gripper shoe, wherein, the lower end of described gripper shoe is hinged with described montant and forms the first pin joint, the middle part of described closing plate is hinged with described montant and forms the second pin joint, described second pin joint is positioned at the top of described first pin joint, first end of the upper and described closing plate of described gripper shoe is hinged, second end of described closing plate is for closing the opening of described mounting part.
Maintenance of overhead transmission line rope ladder head combination unit the most according to claim 4, it is characterised in that also include that latch assembly, described latch assembly are connected with described closing assembly, for being locked at detent position by described closing assembly.
Maintenance of overhead transmission line rope ladder head combination unit the most according to claim 5, it is characterized in that, described latch assembly includes the first locking member, described first locking member is the spring being connected between the lower end of described gripper shoe and the second end of described closing plate, when the second end of described closing plate abuts with the part away from described montant of described mounting part, described spring is in compressive state.
Maintenance of overhead transmission line rope ladder head combination unit the most according to claim 5, it is characterized in that, described latch assembly includes the second locking member, described second locking member is hook, one end of described hook is hinged with described montant and forms the 3rd pin joint, described 3rd pin joint is positioned at the top of described second pin joint, and the other end of described hook is for being connected with described closing plate, to strain described closing plate.
Maintenance of overhead transmission line rope ladder head combination unit the most according to claim 4, it is characterised in that described closing plate is provided with handle.
9., according to the rope ladder head combination unit of the maintenance of overhead transmission line according to any one of claim 1-3, it is characterised in that also include the support seat being connected between two described montants, described support seat is the semicircle of concave downward.
Maintenance of overhead transmission line rope ladder head combination unit the most according to claim 9, it is characterised in that described support seat and two described montants are respectively articulated with, so that described support seat can rotate relative to described montant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415946.3A CN105826869A (en) | 2016-06-13 | 2016-06-13 | Rope ladder head combined device for repairing overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415946.3A CN105826869A (en) | 2016-06-13 | 2016-06-13 | Rope ladder head combined device for repairing overhead transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105826869A true CN105826869A (en) | 2016-08-03 |
Family
ID=56532811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610415946.3A Pending CN105826869A (en) | 2016-06-13 | 2016-06-13 | Rope ladder head combined device for repairing overhead transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105826869A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554776A (en) * | 2020-12-26 | 2021-03-26 | 国网浙江省电力有限公司检修分公司 | Rope ladder head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2376041A (en) * | 2001-05-30 | 2002-12-04 | Balfour Beatty Plc | Mounting ladder on overhead cables |
| CN103195355A (en) * | 2013-04-01 | 2013-07-10 | 国家电网公司 | Insulation ladder sealing door |
| CN204040891U (en) * | 2014-08-01 | 2014-12-24 | 国家电网公司 | There is the electric power rope ladder pulley gear of braking function |
| CN104563843A (en) * | 2015-02-09 | 2015-04-29 | 江苏恒安电力工具有限公司 | Crawling ladder for repairing and maintaining power line |
| CN105429046A (en) * | 2015-12-17 | 2016-03-23 | 国家电网公司 | Rope ladder head used for equipotential live working and application method therefor |
| CN205681011U (en) * | 2016-06-13 | 2016-11-09 | 江西电力职业技术学院 | Maintenance of overhead transmission line rope ladder head combination unit |
-
2016
- 2016-06-13 CN CN201610415946.3A patent/CN105826869A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2376041A (en) * | 2001-05-30 | 2002-12-04 | Balfour Beatty Plc | Mounting ladder on overhead cables |
| CN103195355A (en) * | 2013-04-01 | 2013-07-10 | 国家电网公司 | Insulation ladder sealing door |
| CN204040891U (en) * | 2014-08-01 | 2014-12-24 | 国家电网公司 | There is the electric power rope ladder pulley gear of braking function |
| CN104563843A (en) * | 2015-02-09 | 2015-04-29 | 江苏恒安电力工具有限公司 | Crawling ladder for repairing and maintaining power line |
| CN105429046A (en) * | 2015-12-17 | 2016-03-23 | 国家电网公司 | Rope ladder head used for equipotential live working and application method therefor |
| CN205681011U (en) * | 2016-06-13 | 2016-11-09 | 江西电力职业技术学院 | Maintenance of overhead transmission line rope ladder head combination unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554776A (en) * | 2020-12-26 | 2021-03-26 | 国网浙江省电力有限公司检修分公司 | Rope ladder head |
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Application publication date: 20160803 |
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