CN114069485A - Adjustable tool special for wire outgoing galloping - Google Patents
Adjustable tool special for wire outgoing galloping Download PDFInfo
- Publication number
- CN114069485A CN114069485A CN202111466841.8A CN202111466841A CN114069485A CN 114069485 A CN114069485 A CN 114069485A CN 202111466841 A CN202111466841 A CN 202111466841A CN 114069485 A CN114069485 A CN 114069485A
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- pulley
- support
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- adjustable
- outgoing
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910052742 iron Inorganic materials 0.000 claims abstract description 35
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
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
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
-
- 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
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- Pulleys (AREA)
Abstract
The invention provides a special adjustable tool for a wire outgoing galloping vehicle. The structure is as follows: the support of the pulley is fixed on a fixed support of the flying head through a connecting bolt, a feed rod is arranged on the support of the pulley, a plurality of through holes are arranged on a wheel disc of the pulley, the feed rod is matched with the through holes, an iron cable is hung on the fixed support of the flying head, a pulley base is hung at the bottom end of the iron cable, and a lock catch is respectively arranged on a head-end iron ring and a tail-end iron ring of the iron cable. The invention adopts two pulleys with adjustable directions, the distance between the two pulleys can be freely adjusted according to the field condition, and meanwhile, the pulleys are provided with braking devices and can be locked if necessary. The invention can flexibly adjust the use of the aircraft nose according to the arrangement mode of the field lead; and the bearing capacity of the vehicle body can reach 250 kilograms, and an operator can carry out the operation after the wire is led out. The invention is applicable to both vertically and horizontally arranged lines, has stable structure, is not easy to turn over, has strong bearing capacity and has outstanding technical advantages.
Description
Technical Field
The invention relates to the technical field of power transmission line maintenance, in particular to a special adjustable tool for a wire outgoing galloping car.
Background
At present, most of outgoing line runaway on a power transmission line is fixed and cannot be adjusted and changed, and 220 KV power transmission line wire arrangement modes in a daily overhauling process have both a horizontal arrangement mode and a vertical arrangement mode. The existing wire-outgoing gallows is mostly suitable for vertically-arranged wires, the existing wire-outgoing gallows is troublesome in the process of passing through sub-wire spacers for horizontally-arranged lines, operators are prone to rollover on the wires, and the risk of falling from a high place is increased.
In this case, the development of suitable safety tools is an important measure for avoiding such safety accidents. From practical experience, an ideal outlet pulley should meet two requirements: firstly, the arrangement mode of the wire outgoing galloping cars can be adjusted according to the actual situation of the arrangement mode of the field wires. And secondly, the device can bear 250 kilograms of working stations at most, and an operator sits at the working stations to carry out operation. However, most of conventional line outgoing coasters are designed in a fixed mode, cannot adjust directions, are only suitable for single wires or are vertically arranged in a wire distribution mode, and therefore actual use requirements are difficult to meet.
Disclosure of Invention
The invention aims to provide a special tool for an adjustable wire outgoing galloping car to solve the technical problem that operators are easy to turn on one's side when a fixed wire outgoing galloping car is used for a horizontally arranged line, aiming at overcoming the technical defects in the prior art.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the adjustable tool special for the line outgoing aerodyne comprises an aerodyne head fixing support, a pulley, a connecting bolt, a feeding rod, a through hole, an iron cable, a tackle base and a lock catch, wherein a support of the pulley is fixed on the aerodyne head fixing support through the connecting bolt, the feeding rod is arranged on the support of the pulley, a plurality of through holes are formed in a wheel disc of the pulley, the feeding rod is matched with the through holes, the iron cable is hung on the aerodyne head fixing support, the tackle base is hung at the bottom end of the iron cable, and the lock catch is arranged on a head-end iron ring and a tail-end iron ring of the iron cable respectively.
Preferably, the feeding rod is movably connected with the support of the pulley, and a spring is arranged between the feeding rod and the support of the pulley in a cushioning mode.
Preferably, the pulley base is provided with a plurality of lug seats, and the lug seats are mutually hooked with the lower ends of the iron cables.
Preferably, the flying head fixing support comprises a left part and a right part, the left part and the right part are mutually inserted and nested, and the inserted and nested positions are connected through bolts in a fastening mode.
Preferably, the pulley base is rectangular, four iron cables are arranged, and the four iron cables are respectively hung at four corners of the pulley base.
Preferably, the middle of the pulley base is enclosed into a sitting part through two reinforcing ribs, and a cushion is arranged on the sitting part.
Preferably, the left part and the right part are uniformly provided with adjusting holes, the adjusting holes are overlapped and then inserted into the bolts after the left part and the right part are inserted and nested, and the bolts are double-headed fixing bolts.
Preferably, a safety rope is connected to the pulley base, and a safety hook is arranged at the far end of the safety rope.
Preferably, the support of the pulley comprises an assembly frame at the top, and the top of the assembly frame is assembled with the flying head fixing support; mounting lugs extend downwards from two sides of the assembling frame, assembling grooves are formed in the mounting lugs, and two ends of the pulley are installed in the assembling grooves; the pulley comprises wheel discs at two ends, the two wheel discs are connected through a rotating shaft at the center, a plurality of convex ribs are uniformly distributed on the rotating shaft, and arc-shaped concave parts are formed in the middle of the convex ribs;
the support also comprises an assembling frame arranged on the wheel disc provided with the through hole; the feed rod comprises a feed shaft which penetrates through the assembly frame and is inserted into the through hole, and one end of the feed shaft, which is far away from the assembly frame, is a horizontal handle rod;
the spring is arranged in the assembling frame, and a pin hole is formed in the feeding shaft; the feeding shaft penetrates through the assembling frame, and a bolt penetrates through the pin hole after the spring is inserted; the spring is urged between the latch and the disc.
Preferably, the two ends of the aircraft head fixing support are handle rings extending vertically and upwards; the top of the support is rotatably arranged, and the rotating range is 90-180 degrees.
In the technical scheme, the flying head fixing support is a top base structure of the flying head fixing support and is used for playing a role in bearing a foundation; the pulley is selected to be of a type capable of adjusting the direction by 90 degrees, so that the pulley can be adapted to different working conditions; the connecting bolt is used for fixing the support of the pulley on the locomotive head fixing support; the feed rod on the pulley support is matched with the through hole on the pulley wheel disc, so that the pulley can be braked and locked when necessary; the iron cable is used for hanging the pulley base; the pulley base is a bottom bearing structure of the invention; the lock catch enables an upper iron ring of the iron cable to be opened or locked, so that the iron cable can be connected with the flying head fixing support and the pulley base in a hanging mode.
The invention provides a special adjustable tool for a wire outgoing galloping vehicle. According to the technical scheme, two pulleys with adjustable directions are adopted, the distance between the two pulleys can be freely adjusted according to the field condition, and meanwhile, the pulleys are provided with braking devices and can be locked when necessary. The invention can flexibly adjust the use of the aircraft nose according to the arrangement mode of the field lead; and the bearing capacity of the vehicle body can reach 250 kilograms, and an operator can carry out the operation after the wire is led out. The invention is applicable to both vertically arranged lines and horizontally arranged lines, has stable structure, is not easy to turn over, has strong bearing capacity and has outstanding technical advantages.
Drawings
FIG. 1 is a perspective view of the present invention from one perspective;
FIG. 2 is a perspective view of the upper portion of the present invention;
FIG. 3 is a side view of the upper portion of the present invention;
FIG. 4 is a perspective view of the lower portion of the present invention;
FIG. 5 is a perspective view of the present invention from another perspective;
FIG. 6 is a schematic structural view of a preferred embodiment of the present invention;
FIG. 7 is a schematic structural view of a preferred embodiment of the sheave of the present invention;
FIG. 8 is a schematic structural view of another preferred embodiment of the sheave of the present invention;
fig. 9 is a schematic diagram illustrating the effect of the thickness of the feed shaft inserted into the through hole of the present invention.
In the figure:
1-a flying head fixing support, 2-a pulley, 3-a connecting bolt, 4-a feeding rod, 5-a through hole, 6-an iron cable, 7-a pulley base, 8-a lock catch, 9-a cushion, 10-a safety rope and 11-a safety hook;
101-left part, 102-right part, 103-fixing bolt, 104-adjusting hole; 201-wheel disc, 202-rotating shaft, 203-concave part, 204-convex rib, 205-spring, 206-bolt, 207-assembly frame, 208-feeding shaft, 209-handle rod, 210-pin hole, 211-limiting sleeve, 212-assembly frame and 213-assembly groove.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described in detail. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
An adjustable special tool for a line outgoing aerodyne is shown in fig. 1-5 and comprises an aerodyne head fixing support 1, a pulley 2, a connecting bolt 3, a feed rod 4, a through hole 5, an iron cable 6, a tackle base 7 and a lock catch 8, wherein a support of the pulley 2 is fixed on the aerodyne head fixing support 1 through the connecting bolt 3, the feed rod 4 is arranged on the support of the pulley 2, a plurality of through holes 5 are formed in a wheel disc of the pulley 2, the feed rod 4 is matched with the through holes 5, the iron cable 6 is hung on the aerodyne head fixing support 1, the tackle base 7 is hung at the bottom end of the iron cable 6, and the lock catch 8 is arranged on a head end iron ring and a tail end iron ring of the iron cable 6 respectively.
The structural characteristics of the tool are as follows: the aircraft head fixing bracket 1 is a top base structure of the invention and is used for playing a role of bearing a foundation; the pulley 2 is selected to be of a type capable of adjusting the direction by 90 degrees, so that the pulley can adapt to different working conditions; the connecting bolt 3 is used for fixing the support of the pulley 2 on the fixed bracket 1 of the flying head; a feed rod 4 on a support of the pulley 2 is matched with a through hole 5 on a wheel disc of the pulley 2, so that the pulley 2 can be braked and locked if necessary; the iron cable 6 is used for hanging the pulley base 7; the pulley base 7 is a bottom bearing structure of the invention; the lock catch 8 opens or closes the upper iron ring of the iron cable 6, so that the iron cable 6 can be hung with the flying head fixing bracket 1 and the pulley base 7.
Example 2
An adjustable special tool for a line outgoing aerodyne is shown in fig. 1-5 and comprises an aerodyne head fixing support 1, a pulley 2, a connecting bolt 3, a feed rod 4, a through hole 5, an iron cable 6, a tackle base 7 and a lock catch 8, wherein a support of the pulley 2 is fixed on the aerodyne head fixing support 1 through the connecting bolt 3, the feed rod 4 is arranged on the support of the pulley 2, a plurality of through holes 5 are formed in a wheel disc of the pulley 2, the feed rod 4 is matched with the through holes 5, the iron cable 6 is hung on the aerodyne head fixing support 1, the tackle base 7 is hung at the bottom end of the iron cable 6, and the lock catch 8 is arranged on a head end iron ring and a tail end iron ring of the iron cable 6 respectively. Wherein, the feed rod 4 is movably connected with the support of the pulley 2, and a spring is arranged between the feed rod 4 and the support of the pulley 2 in a cushioning way. The pulley base 7 is provided with a plurality of lug seats which are mutually connected with the lower end of the iron cable 6 in a hanging way. The aircraft nose fixed bolster 1 includes left part and right part, the left part with the right part is mutual grafting nested, the grafting nested department is by bolt fastening connection. The pulley base 7 is rectangular, four iron cables 6 are arranged, and the four iron cables 6 are respectively hung at the four corners of the pulley base 7.
In some preferred embodiments, as shown in FIG. 6: the middle of the pulley base 7 is enclosed into a sitting part through two reinforcing ribs, and a cushion 9 is arranged on the sitting part. The structure of this embodiment can be that the staff who uses takes more comfortablely, can realize the spacing protection of basis through the portion edge setting baffle of taking.
In some preferred embodiments, as shown in fig. 1, 6: adjusting holes 104 are uniformly distributed in the left part 101 and the right part 102, after the left part and the right part are inserted and nested, the adjusting holes are overlapped and then the bolts are inserted, and the bolts are double-headed fixing bolts 103. The first fixed bolster of driving that the structure of this embodiment can be possesses reliable length adjustment function, the cable of the different specifications of adaptation, the more on-the-spot operating mode of adaptation.
In some preferred embodiments, as shown in FIG. 6: a safety rope 10 is connected to the pulley base 7, and a safety hook 11 is arranged at the far end of the safety rope. The design safety rope is favorable for protecting operators, the safety rope is used for protecting the whole tool from falling, and the falling prevention protection of the operators is a protection belt matched with the high-altitude operation in the power field.
In some preferred embodiments, as shown in fig. 7, 8: the support of the pulley 2 comprises an assembly frame 212 at the top, and the top of the assembly frame is assembled with the flying head fixing support 1; mounting lugs extend downwards from two sides of the assembling frame 212, assembling grooves 213 are formed in the mounting lugs, and two ends of the pulley are installed in the assembling grooves 213; the pulley comprises wheel discs 201 at two ends, the two wheel discs 201 are connected through a rotating shaft 202 at the center, a plurality of convex ribs 204 are uniformly distributed on the rotating shaft 202, and the middle of each convex rib is a circular arc-shaped concave part 203; in the embodiment, the weight of the pulley can be greatly reduced through the design of the rib structure, so that the whole structure is lighter, and the reliability of suspension use is effectively ensured.
The support also comprises an assembling frame 207 arranged on the wheel disc 201 provided with the through hole 5; the feed rod 4 comprises a feed shaft 208 which penetrates through the assembly frame and is inserted into the through hole 6, and one end of the feed shaft 208, which is far away from the assembly frame 207, is a horizontal handle rod 209;
the spring 205 is arranged in the assembling frame, and a pin hole 210 is formed in the feeding shaft; when the feed shaft 208 penetrates into the assembly frame 207, the pin 206 is inserted into the pin hole 210 after the spring 205 is inserted; spring 205 is urged between pin 206 and disk 201. According to the brake limiting structure of the automobile seat frame, the brake limiting structure is reliably designed through the structure of the assembling frame, the feeding shaft is smoothly inserted into the through hole to be locked and limited, the pulling-out process is relatively labor-saving due to the existence of the spring, the feeding shaft is very tightly contacted with the wall of the through hole under the action of external force after being inserted due to the sitting state of a human body, the insertion is not excessive due to the existence of the spring, and the pulling-out process is smoother under the reasoning action of the spring; as shown in fig. 9.
In some preferred embodiments, as shown in FIG. 1: two ends of the aircraft head fixing support 1 are handle rings extending vertically upwards; the top of the support is rotatably arranged, and the rotating range is 90-180 degrees. The embodiment can enable the pulley to smoothly rotate horizontally, and the rotation range is 90-180 degrees. The direction of the wire (cable) can be conveniently adapted.
The embodiments of the present invention have been described in detail, but the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention. Any modification, equivalent replacement, and improvement made within the scope of the application of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Adjustable tool special for outgoing line aerodynes, and is characterized by comprising an aerodyne head fixing support (1), a pulley (2), a connecting bolt (3), a feeding rod (4), a through hole (5), an iron cable (6), a pulley base (7) and a lock catch (8), wherein a support of the pulley (2) is fixed on the aerodyne head fixing support (1) through the connecting bolt (3), the feeding rod (4) is arranged on the support of the pulley (2), a plurality of through holes (5) are formed in a wheel disc of the pulley (2), the feeding rod (4) is matched with the through holes (5), the iron cable (6) is connected on the aerodyne head fixing support (1) in a hanging mode, the pulley base (7) is connected at the bottom end of the iron cable (6), and the lock catch (8) are respectively arranged on a head end iron ring and a tail end iron ring of the iron cable (6).
2. The adjustable special tool for the line outgoing galloping car as claimed in claim 1, wherein the feeding rod (4) is movably connected with the support of the pulley (2), and a spring is arranged between the feeding rod (4) and the support of the pulley (2).
3. The adjustable special tool for the outgoing line galloping car as claimed in claim 1, wherein a plurality of lug seats are arranged on the pulley base (7), and the lug seats are mutually hooked with the lower end of the iron cable (6).
4. The adjustable special tool for the outgoing line coaster according to claim 1, wherein the coaster head fixing support (1) comprises a left part and a right part, the left part and the right part are mutually inserted and nested, and the inserted and nested positions are fastened and connected through bolts.
5. The adjustable special tool for the outgoing line galloping car as claimed in claim 1, wherein the pulley base (7) is rectangular, four iron cables (6) are provided, and the four iron cables (6) are respectively hung at four corners of the pulley base (7).
6. The adjustable special tool for the outgoing line aerodyne as claimed in claim 5, wherein a seating part is enclosed by two reinforcing ribs in the middle of the pulley base (7), and a cushion (9) is installed on the seating part.
7. The adjustable special tool for the line outgoing galloping car as claimed in claim 4, wherein the left part (101) and the right part (102) are uniformly provided with adjusting holes (104), the adjusting holes are overlapped and then inserted into the bolt after the left part and the right part are inserted and nested, and the bolt is a double-headed fixing bolt (103).
8. The special tool for the adjustable line outgoing galloping car as claimed in claim 1, wherein a safety rope (10) is connected to the pulley base (7), and a safety hook (11) is arranged at the far end of the safety rope.
9. The adjustable special tool for the line outgoing galloping car as claimed in claim 2, wherein the support of the pulley (2) comprises an assembly frame (212) at the top, and the top of the assembly frame is assembled with the galloping head fixing support (1); mounting lugs extend downwards from two sides of the assembling frame (212), assembling grooves (213) are formed in the mounting lugs, and two ends of the pulley are installed in the assembling grooves (213); the pulley comprises wheel discs (201) at two ends, the two wheel discs (201) are connected through a rotating shaft (202) at the center, a plurality of convex ribs (204) are uniformly distributed on the rotating shaft (202), and the middle of each convex rib is provided with a circular arc-shaped concave part (203);
the support also comprises an assembling frame (207) arranged on the wheel disc (201) provided with the through hole (5); the feed rod (4) comprises a feed shaft (208) which penetrates through the assembly frame and then is inserted into the through hole (6), and one end, far away from the assembly frame (207), of the feed shaft (208) is a horizontal handle rod (209);
the spring (205) is arranged in the assembling frame, and a pin hole (210) is formed in the feeding shaft; the feeding shaft (208) is inserted into the spring (205) when penetrating into the assembling frame (207), and then a bolt (206) penetrates through the pin hole (210); a spring (205) is compressed between the pin (206) and the disc (201).
10. The special tool for the adjustable wire outgoing aerodyne according to claim 9, wherein two ends of the aerodyne head fixing support (1) are vertically and upwardly extending bracelet rings; the top of the support is rotatably arranged, and the rotating range is 90-180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111466841.8A CN114069485B (en) | 2021-12-03 | 2021-12-03 | Adjustable outgoing line galloping specialized tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111466841.8A CN114069485B (en) | 2021-12-03 | 2021-12-03 | Adjustable outgoing line galloping specialized tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114069485A true CN114069485A (en) | 2022-02-18 |
| CN114069485B CN114069485B (en) | 2023-10-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111466841.8A Active CN114069485B (en) | 2021-12-03 | 2021-12-03 | Adjustable outgoing line galloping specialized tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114069485B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115770365A (en) * | 2022-12-02 | 2023-03-10 | 国网青海省电力公司海南供电公司 | Safety guarantee mechanism for power grid operation and maintenance detection |
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| CN203674627U (en) * | 2014-01-02 | 2014-06-25 | 国家电网公司 | Adjustable rope ladder head of transmission line |
| 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 |
| CN105048341A (en) * | 2015-07-24 | 2015-11-11 | 国网山东省电力公司济南供电公司 | One-line operation trolley for power transmission line |
| CN204760888U (en) * | 2015-06-17 | 2015-11-11 | 国网山东省电力公司烟台供电公司 | Line driving is walked to general electric power of crossing barrier of single two -conductor line |
| CN110212453A (en) * | 2019-06-12 | 2019-09-06 | 国网河北省电力有限公司衡水供电分公司 | A kind of high pressure architomy grounded-line outlet slide chair |
| CN210380016U (en) * | 2019-07-22 | 2020-04-21 | 深圳市新南润电力科技有限公司 | It is general in transmission line maintenance with light high-efficient type ground wire driving |
| CN214314248U (en) * | 2020-11-21 | 2021-09-28 | 国网辽宁省电力有限公司朝阳供电公司 | Walk line driving with speed reduction braking function |
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2021
- 2021-12-03 CN CN202111466841.8A patent/CN114069485B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938097A (en) * | 2010-09-14 | 2011-01-05 | 山东电力集团公司潍坊供电公司 | Folding aerodyne |
| CN202333621U (en) * | 2011-12-08 | 2012-07-11 | 娄底市线路管理所职工技术协会电力线路服务部 | Two-purpose routing trolley for single conductor and double split conductors |
| CN203553749U (en) * | 2013-10-31 | 2014-04-16 | 国家电网公司 | Ladder head trolley for conductor splitting operation |
| CN203674627U (en) * | 2014-01-02 | 2014-06-25 | 国家电网公司 | Adjustable rope ladder head of transmission line |
| 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 |
| CN204760888U (en) * | 2015-06-17 | 2015-11-11 | 国网山东省电力公司烟台供电公司 | Line driving is walked to general electric power of crossing barrier of single two -conductor line |
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| CN214314248U (en) * | 2020-11-21 | 2021-09-28 | 国网辽宁省电力有限公司朝阳供电公司 | Walk line driving with speed reduction braking function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115770365A (en) * | 2022-12-02 | 2023-03-10 | 国网青海省电力公司海南供电公司 | Safety guarantee mechanism for power grid operation and maintenance detection |
| CN115770365B (en) * | 2022-12-02 | 2023-11-10 | 国网青海省电力公司海南供电公司 | Safety guarantee mechanism for power grid operation and maintenance detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114069485B (en) | 2023-10-24 |
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