CN109256721A - A kind of helicopter live-line maintenance operation hanging basket - Google Patents
A kind of helicopter live-line maintenance operation hanging basket Download PDFInfo
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- CN109256721A CN109256721A CN201710594740.6A CN201710594740A CN109256721A CN 109256721 A CN109256721 A CN 109256721A CN 201710594740 A CN201710594740 A CN 201710594740A CN 109256721 A CN109256721 A CN 109256721A
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- hanging
- pulley
- maintenance operation
- helicopter
- line maintenance
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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
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Abstract
The present invention provides a kind of helicopter live-line maintenance operation hanging basket, it include: frame matrix (1), catch tray (2), hanging ring (3), pulley assembly (4) and brake assemblies (5), wherein, frame matrix (1) includes: support frame (7) and two hanging boxes (8), support frame (7) includes two long sides and multiple short sides, two long sides are arranged in parallel, multiple short sides are arranged in parallel, and short side, which is respectively perpendicular, to be connected between two long sides；Two hanging boxes (8) are respectively arranged at the both ends of two long sides, spaced apart between two hanging boxes (8)；Multiple short sides are set between two hanging boxes (8), and catch tray (2) is set to the top of short side, and hanging ring (3) are provided on catch tray (2)；Junction on the inside of two long sides and hanging box (8), is separately respectively equipped with hanging ring (3)；Pulley assembly (4) and brake assemblies (5) are set on short side, and are located at the lower section of short side.
Description
Technical field
The present invention relates to hotline maintenance technologies, specifically about a kind of helicopter live-line maintenance operation hanging basket.
Background technique
UHV TRANSMISSION LINES IN CHINA construction enters Rapid development stage, and UHV transmission line is distributed rationally on a large scale
The energy, the guarantee national economic development etc., highlight its important function.Foreign countries do not have extra-high-voltage alternating current 1000kv, straight at present
Stream ± 800kV transmission line of electricity puts into operation, in the world only China's operation of power networks UHV transmission line.
Helicopter live-line maintenance operation is the operation that a small number of developed countries use in transmission line of electricity O&M on our times
Service personnel is directly delivered at line defct by means, helicopter, and check man is carried out in the case where transmission line of electricity does not have a power failure
Make, both improved work efficiency, has also ensured service personnel's safety.Under electric network emergency state, under remote, complicated landform
Route progress livewire work, which has a clear superiority to compare with traditional artificial livewire work, has quick, efficient, high technology content etc.
Feature represents the highest level of current international hot line maintenance technology.Helicopter hotline maintenance technology is according to operation
Method can be divided into platform method, hoist cable method, three kinds of hanging basket method.Hanging basket method upkeep operation has operation helicopter and other two kinds of sides
Method, which is compared, has outstanding advantages of needing not move through discharge test verifying, operation carrier carrying service personnel and Work tool is more, and
Implement hanging basket method upkeep operation need to provide it is a kind of be suitable for extra-high-voltage alternating current 1000kV, direct current ± 800kV transmission line of electricity it is special
Use hanging basket.
Summary of the invention
The main purpose of the embodiment of the present invention is to provide a kind of helicopter live-line maintenance operation hanging basket, to cooperate helicopter
Livewire work technology, thus can realize more safely, quickly, easy-operating network live detection operation.
To achieve the goals above, the embodiment of the present invention provides a kind of helicopter live-line maintenance operation hanging basket, and described is straight
Rising machine live-line maintenance operation hanging basket includes: frame matrix, catch tray, hanging ring, pulley assembly and brake assemblies, wherein described
Frame matrix includes: support frame and two hanging boxes, and the support frame includes two long sides and multiple short sides, described two long sides
It is arranged in parallel, the multiple short side is arranged in parallel, and the short side, which is respectively perpendicular, to be connected between two long sides；Described two
A hanging box is respectively arranged at the both ends of two long sides, spaced apart between described two hanging boxes；The multiple short side
It is set between described two hanging boxes, the catch tray is set to the top of the short side, is arranged in the catch tray
State hanging ring；Junction on the inside of described two long sides and the hanging box, is separately respectively equipped with the hanging ring；The pulley assembly and
Brake assemblies are set on the short side, and are located at the lower section of the short side.
In one embodiment, above-mentioned hanging box includes: vertical railing, front rail and bottom plate, between the vertical railing
It is parallel to each other, the vertical railing is vertical with the long side to be connect, and the vertical railing constitutes the surrounding of the hanging box；It is described
Front rail is set up in respectively between the adjacent two vertical railing, and perpendicular to the vertical railing；The bottom plate is set to
The hanging box bottom, it is vertical with the vertical railing.
Further, above-mentioned hanging box further include: catch net, the catch net enclose the surrounding set on the hanging box.
Further, above-mentioned hanging box further include: descent guiding device, the descent guiding device are set to the bottom plate
Lower section, the descent guiding device and the bottom plate constitute the triangle rod structure that section is right angled triangle.
In one embodiment, above-mentioned helicopter live-line maintenance operation hanging basket further include: anti-turn-knob component, the anti-turn-knob
Component includes: two hooks and two adjusting connecting rods；It is hung respectively with described by a rotation axis each described one end for adjusting connecting rod
One front rail of the inside of frame connects, and the hook is respectively arranged on the other end for adjusting connecting rod, passes through the tune
Section connecting rod is hooked on described on conducting wire.
In one embodiment, above-mentioned brake assemblies include: manual shaking wheel, brake block, brake block connecting rod and fixed plate,
In, the fixed plate is U-shaped structure, and the bottom edge of the fixed plate is fixedly installed on the short side；The brake block connects
Bar connects the brake block, and the brake block is located at the inside of the two sides of the fixed plate；The screw rod of the manual shaking wheel passes through
The fixed plate and brake block are worn, the manual shaking wheel adjusts the opening and closure of two brake blocks.
In one embodiment, above-mentioned pulley assembly includes: pulley, bearing, nut, pulley spindle and bearing cap, wherein institute
Pulley spindle is stated across the pulley, and the both ends of the pulley spindle sequentially pass through bearing, bearing cap and the nut respectively.
In one embodiment, above-mentioned helicopter live-line maintenance operation hanging basket further include: wire guides, the conducting wire
Guiding device includes: leading truck, the first guide rod and the second guide rod, and each wire guides correspond respectively to be located at
Two pulley assemblies of the same long side；The leading truck is V-shaped, and both ends are separately connected positioned at the same long side
The adjacent both ends of the pulley spindle of two pulley assemblies；One end of first guide rod is fixedly connected on a wherein hanging box
On the vertical railing of inside, the other end is connected to the outside of the pulley spindle of nearest pulley assembly；The one of second guide rod
End is fixedly connected on the vertical railing on the inside of another hanging box, and the other end is connected to the pulley spindle of nearest pulley assembly
Outside.
The beneficial effect of the embodiment of the present invention is, through the invention, it can be achieved that more safely, quickly, easy-operating electricity
Mesh belt electro-detection operation, so that working efficiency and the safety of electric network live operation are improved, to guarantee that stablizing for network system is transported
Row.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram according to the helicopter live-line maintenance operation hanging basket of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram according to the pulley assembly 4 of the embodiment of the present invention；
Fig. 3 is the front view according to the helicopter live-line maintenance operation hanging basket of the embodiment of the present invention；
Fig. 4 is the top view according to the helicopter live-line maintenance operation hanging basket of the embodiment of the present invention；
Fig. 5 is the side view according to the helicopter live-line maintenance operation hanging basket of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of helicopter live-line maintenance operation hanging basket.The present invention is carried out below in conjunction with attached drawing detailed
It describes in detail bright.
As shown in Figure 1, the helicopter live-line maintenance operation hanging basket of the embodiment of the present invention specifically includes that frame matrix 1, buckle
Disk 2, hanging ring 3, pulley assembly 4 and brake assemblies 5.
In practical applications, high-strength aluminum alloy material can be used in the main material of the hanging basket of the embodiment of the present invention, integrally adopts
All parts are connected with riveting method, hook, chain and nut stem material use 45 steel and 60Si2Mn, but this example is only for example
Illustrate, rather than to limit the present invention.
In one embodiment, above-mentioned frame matrix 1 specifically includes that support frame 7 and two hanging boxes 8.Support frame 7 includes two
A long side and multiple short sides, two long sides are arranged in parallel, and multiple short sides are arranged in parallel, and short side, which is respectively perpendicular, is connected to two long sides
Between；Two hanging boxes 8 are respectively arranged at the both ends of two long sides, spaced apart between two hanging boxes 8；Multiple short side settings
Between two hanging boxes 8.
There are four hanging rings 3 for the four points of connection tool of 8 inside of support frame 7 and hanging box, can be connected with insulation ropes.
Specifically, which mainly includes: vertical railing 81, front rail 82 and bottom plate 83, between vertical railing 81
It is parallel to each other, vertical railing 81 is vertical with the long side of support frame 7 to be connect, and vertical railing 81 constitutes the surrounding of hanging box 8；Lateral column
Bar 82 is set up in respectively between adjacent two vertical railing 81, and perpendicular to vertical railing 81；Bottom plate 83 is set to 8 bottom of hanging box,
It is vertical with vertical railing 81.
Also, the bottom of hanging box 8 is made of the aluminum alloy bottom plate 83 with skid resistance strip, can play the role of support.
8 surrounding of hanging box is welded with aluminium alloy protective net 84, has the function of preventing personnel and Work tool and other items in hanging box from falling off.
Descent guiding device 85 is additionally provided with below bottom plate 83, which constitutes section with bottom plate 83 and be
The triangle rod structure of right angled triangle, the descent guiding device 85 have tip and bevel edge, can play guiding role, convenient for throwing
Hanging basket is sent accurately to enter conducting wire job position.
In one embodiment, the outer dimension of above-mentioned frame matrix 1 can are as follows: 2300 × 1200 × 1420mm.
Above-mentioned catch tray 2 is set to the top of short side, in one embodiment, the size of catch tray 2 can for 720 ×
720mm, catch tray 2 can be connect with the button bit spring tongue piece on corresponding position.
The button bit of catch tray 2 is welded on support frame 7, have limit with the limiter that snaps connection, prevent catch tray 2 with
Button bit generates relative displacement when connecting.Button bit has the spring tongue piece device that can be pulled, and tongue piece is elastic wedge structure, tongue piece
Stable state is in elongation state, can block catch tray, and tongue piece retracts in tongue piece casket after artificial pulling, pulls up catch tray
2 can be such that button bit and catch tray 2 separates.
It is additionally provided with hanging ring 3 above catch tray 2, can be connected with insulation ropes.
In the junction of 8 inside of two long sides and hanging box of support frame 7, it is separately respectively equipped with hanging ring 3；Pulley assembly 4 and brake
Vehicle component 5 is set on short side, and is located at the lower section of short side.
In one embodiment, as shown in Fig. 2, pulley assembly 4 specifically includes that pulley 41, bearing 42, nut 43, pulley spindle
44 and bearing cap 45, wherein pulley spindle 44 passes through pulley 41, and the both ends of pulley spindle 44 sequentially pass through bearing 42, bearing respectively
Lid 45 and nut 43.
In practical application, pulley groove width compatible eight split conductor 400mm sub-conductor spacing of extra-high-voltage alternating current 1000kv, spy
High voltage direct current ± 800kV power transmission line six-divided conductor 450mm sub-conductor spacing, that is, between two axially adjacent pulleys
Width (pulley groove centreline space away from), can be compatible with sub-conductor spacing, thus two adjacent pulleys can be suspended on respectively it is adjacent
Two root conducting wires on.Pulley 41 is using overcoating conductive rubber high strength alumin ium alloy material.
As shown in figure 3, two groups of pulley assemblies 4 are provided with the wire guides 46 of " M " shape, the wire guides 46
It include: leading truck 461, the first guide rod 462 and the second guide rod 463, each wire guides 46 correspond respectively to be located at
Two groups of pulley assemblies 4 of same long side.
Wherein, leading truck 461 is V-shaped, and both ends are separately connected the pulley spindle 44 of two pulley assemblies 4 positioned at same long side
Adjacent both ends；One end of first guide rod 462 is fixedly connected on the wherein vertical railing 81 of 8 inside of a hanging box, the other end
It is connected to the outside of the pulley spindle 44 of nearest pulley assembly 4；One end of second guide rod 463 is fixedly connected on another hanging box 8
On the vertical railing 81 of inside, the other end is connected to the outside of the pulley spindle 44 of nearest pulley assembly 4.That is, guiding
The guide edge between pulley on the inside of angle end and hanging box connects to form guide angle, the guide angle bevel edge on the outside of pulley directly with hang
The 8 vertical railing 81 in inside four of frame rivets.
As shown in Figures 4 and 5, the quantity of brake assemblies 5 and skidding component 4 corresponds, and specifically includes: shaking manually
Wheel, brake block, brake block connecting rod and fixed plate.
Wherein, fixed plate is U-shaped structure, and the bottom edge of fixed plate is fixedly installed on short side；The connection brake of brake block connecting rod
Piece, brake block are located at the inside of the two sides of fixed plate；The screw rod of manual shaking wheel runs through fixed plate and brake block, manual shaking wheel tune
The opening and closure for saving two brake blocks change screw rod distance by manual shaking wheel, and then change the relative position between brake block,
Play the role of brake block and compress conducting wire, prevents hanging basket from generating relative movement on conducting wire.
In practical applications, in order to avoid hanging basket in operation process there is a situation where toppling, in the embodiment of the present invention
In helicopter live-line maintenance operation hanging basket, it is additionally provided with anti-turn-knob component 6, as shown in figure 3, the anti-turn-knob component 6 includes: two
Hook 61 and two adjusting connecting rods 62；Each one end for adjusting connecting rod 62 passes through the rotation axis cross with the inside of a hanging box 8 respectively
It is connected to railing 82, hook 61 is respectively arranged on the other end for adjusting connecting rod 62, is hooked by adjusting connecting rod 62 by linking up with 61
On conducting wire.When hanging basket is not placed on conducting wire, anti-turn-knob component 6 is in the state withdrawn, when hanging basket is placed into conducting wire
After top, conducting wire and 41 reliable contacts of pulley, hook 61 is put down and is hooked on sub-conductor, rotation adjusts connecting rod 62, by changing
The screw pitch of modified tone section connecting rod 62 guarantees that hook 61 securely tenses sub-conductors to change length, guarantee hanging basket operation process not
It topples.
The advantages of helicopter live-line maintenance operation hanging basket of the embodiment of the present invention is had is:
1, it is suitable for extra-high-voltage alternating current, extra high voltage direct current transmission line hanging basket method livewire work, in extra-high voltage 1000kv eight
Division alternating current circuit and ± 800kv six, which are divided, can be carried out livewire work on DC line；
2, wire way is entered using the hanging of top-down hanging basket, operation difficulty is small, and safety is good.
It can thus be seen that by applying the present invention, can realize more safely, quickly, easy-operating network live maintenance
Operation.
In the specific implementation, the hanging box 8 of the helicopter live-line maintenance operation hanging basket two sides of the embodiment of the present invention is for left and right
Each service personnel works at the same time；Alternatively, being also possible to side hanging box 8 supplies service personnel's standing work, the other side is hung
Frame 8 places counterweight and service kit.
Cheng Qian is crossed implementing specific upkeep operation, the sagging rope of helicopter ventral is directly hooked on buckle at the top of hanging basket
Four hanging rings 3 of disk, catch tray 2 are connect by buckle with hanging basket support frame.
Specific upkeep operation process is as follows:
Helicopter promotes hanging basket and leaves ground to power transmission lines overhauling position, hanging basket directly hung right above conducting wire into
Enter, by the wire guides 46 of descent guiding device 85 and pulley assembly " M " shape of hanging basket, hanging basket is placed on conducting wire
Top, wherein the pulley 41 of hanging basket is in close contact with the sub-conductor above conducting wire.
After helicopter hangs hanging basket to conducting wire, service personnel operates manual shaking wheel, shortens brake block relative position, will
Hanging basket is fixed on sub-conductor, prevents hanging basket from sliding on conducting wire.
After hanging basket brake starting, service personnel pulls spring tongue piece, and catch tray 2 and button bit are detached from, and will be at the top of hanging basket
Four hanging rings 3 and insulation ropes of support frame 7 disengage, and helicopter suspention insulation ropes are flown away from, and pass through rope for 2 band of catch tray
From conducting wire.
Later, hook 61 is put down by anti-turn-knob component 6 and is hooked on sub-conductor by service personnel, and rotation adjusts connecting rod
62, by changing the screw pitch for adjusting connecting rod 62 to change length, guarantees that hook 61 securely tenses sub-conductor, guarantee that hanging basket is being made
Industry process is not toppled.
Then, operation process hanging basket carries 2 service personnel's situations, and two service personnel can be mutually in step cooperation from hanging
8 top of frame is left inside hanging basket, carries out upkeep operation into conducting wire.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of invention.
Claims (9)
1. a kind of helicopter live-line maintenance operation hanging basket, which is characterized in that the helicopter live-line maintenance operation hanging basket includes:
Frame matrix (1), catch tray (2), hanging ring (3), pulley assembly (4) and brake assemblies (5), wherein
The frame matrix (1) includes: support frame (7) and two hanging boxes (8),
The support frame (7) includes two long sides and multiple short sides, and described two long sides are arranged in parallel, and the multiple short side is flat
Row setting, the short side, which is respectively perpendicular, to be connected between two long sides；
Two hanging boxes (8) are respectively arranged at the both ends of two long sides, and interval is certain between described two hanging boxes (8)
Distance；
The multiple short side is set between described two hanging boxes (8), and the catch tray (2) is set to the top of the short side,
The hanging ring (3) are provided on the catch tray (2)；
The pulley assembly (4) and brake assemblies (5) are set on the short side, and are located at the lower section of the short side.
2. helicopter live-line maintenance operation hanging basket according to claim 1, which is characterized in that the hanging box (8) includes:
Vertical railing (81), front rail (82) and bottom plate (83),
It is parallel to each other between the vertical railing (81), the vertical railing (81) is vertical with the long side to be connect, described vertical
Railing (81) constitutes the surrounding of the hanging box (8)；
The front rail (82) is set up in respectively between the adjacent two vertical railing (81), and perpendicular to the vertical railing
(81)；
The bottom plate (83) is set to the hanging box (8) bottom, vertical with vertical railing (81).
3. helicopter live-line maintenance operation hanging basket according to claim 2, which is characterized in that the hanging box (8) is also wrapped
Include: catch net (84), the catch net (84) enclose the surrounding set on the hanging box (8).
4. helicopter live-line maintenance operation hanging basket according to claim 3, which is characterized in that the hanging box (8) is also wrapped
Include: descent guiding device (85), the descent guiding device (85) are set to the lower section of the bottom plate (83), the decline guiding
Device (85) and the bottom plate (83) constitute the triangle rod structure that section is right angled triangle.
5. helicopter live-line maintenance operation hanging basket according to claim 2, which is characterized in that the helicopter band electric-examination
Repair basket of work further include: anti-turn-knob component (6),
The anti-turn-knob component (6) includes: two hooks (61) and two adjusting connecting rods (62)；
Each described one end for adjusting connecting rod (62) passes through the rotation axis front rail with the inside of the hanging box (8) respectively
(82) it connects, the hook (61) is respectively arranged on the other end for adjusting connecting rod (62), passes through the adjusting connecting rod
(62) hook (61) is hooked on conducting wire.
6. helicopter live-line maintenance operation hanging basket according to claim 1, which is characterized in that the brake assemblies (5)
It include: manual shaking wheel, brake block, brake block connecting rod and fixed plate, wherein
The fixed plate is U-shaped structure, and the bottom edge of the fixed plate is fixedly installed on the short side；
The brake block connecting rod connects the brake block, and the brake block is located at the inside of the two sides of the fixed plate；
The screw rod of the manual shaking wheel runs through the fixed plate and brake block, and the manual shaking wheel adjusts two brake blocks
It opens and is closed.
7. helicopter live-line maintenance operation hanging basket according to claim 1, which is characterized in that the pulley assembly (4)
It include: pulley (41), bearing (42), nut (43), pulley spindle (44) and bearing cap (45), wherein
The pulley spindle (44) passes through the pulley (41), and the both ends of the pulley spindle (44) sequentially pass through respectively it is described
Bearing (42), bearing cap (45) and nut (43).
8. helicopter live-line maintenance operation hanging basket according to claim 7, which is characterized in that the helicopter band electric-examination
Repair basket of work further include: wire guides (46),
The wire guides (46) include: leading truck (461), the first guide rod (462) and the second guide rod (463), often
One wire guides (46) correspond respectively to two pulley assemblies (4) positioned at the same long side；
The leading truck (461) is V-shaped, and both ends are separately connected two pulley assemblies (4) positioned at the same long side
The adjacent both ends of pulley spindle (44)；
One end of first guide rod (462) is fixedly connected on the vertical railing (81) on the inside of a wherein hanging box (8),
The other end is connected to the outside of the pulley spindle (44) of nearest pulley assembly (4)；
One end of second guide rod (463) is fixedly connected on the vertical railing (81) on the inside of another hanging box (8), separately
One end is connected to the outside of the pulley spindle (44) of nearest pulley assembly (4).
9. helicopter live-line maintenance operation hanging basket according to claim 1, which is characterized in that the helicopter band electric-examination
Repair basket of work further include: the junction on the inside of described two long sides and the hanging box (8) is separately respectively equipped with the hanging ring
(3)。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594740.6A CN109256721B (en) | 2017-07-14 | 2017-07-14 | A helicopter live maintenance operation hanging basket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594740.6A CN109256721B (en) | 2017-07-14 | 2017-07-14 | A helicopter live maintenance operation hanging basket |
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| CN109256721A true CN109256721A (en) | 2019-01-22 |
| CN109256721B CN109256721B (en) | 2024-11-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235908A (en) * | 2021-06-24 | 2021-08-10 | 国网通用航空有限公司 | Brake device for overhauling hanging basket method of helicopter |
| CN113300271A (en) * | 2021-06-24 | 2021-08-24 | 国网通用航空有限公司 | Hanging basket system for overhauling operation of helicopter by suspension method |
| CN113315025A (en) * | 2021-05-10 | 2021-08-27 | 国网河北省电力有限公司检修分公司 | Live-line maintenance operation method for helicopter |
| CN113690791A (en) * | 2021-07-14 | 2021-11-23 | 周宗飞 | Conveyer on high tension transmission line high altitude wire |
| CN116706759A (en) * | 2022-12-29 | 2023-09-05 | 中国电力科学研究院有限公司 | A helicopter live work basket |
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| 岑阿毛: "输配电线路施工技术大全 下", pages: 1031 * |
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| CN113315025A (en) * | 2021-05-10 | 2021-08-27 | 国网河北省电力有限公司检修分公司 | Live-line maintenance operation method for helicopter |
| CN113315025B (en) * | 2021-05-10 | 2023-01-17 | 国网河北省电力有限公司检修分公司 | A kind of live-line overhaul operation method of helicopter |
| CN113235908A (en) * | 2021-06-24 | 2021-08-10 | 国网通用航空有限公司 | Brake device for overhauling hanging basket method of helicopter |
| CN113300271A (en) * | 2021-06-24 | 2021-08-24 | 国网通用航空有限公司 | Hanging basket system for overhauling operation of helicopter by suspension method |
| CN113690791A (en) * | 2021-07-14 | 2021-11-23 | 周宗飞 | Conveyer on high tension transmission line high altitude wire |
| CN116706759A (en) * | 2022-12-29 | 2023-09-05 | 中国电力科学研究院有限公司 | A helicopter live work basket |
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| CN109256721B (en) | 2024-11-15 |
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