CN108879475B - Special tool for checking double split conductor wiring of power transmission line - Google Patents
Special tool for checking double split conductor wiring of power transmission line Download PDFInfo
- Publication number
- CN108879475B CN108879475B CN201810842618.0A CN201810842618A CN108879475B CN 108879475 B CN108879475 B CN 108879475B CN 201810842618 A CN201810842618 A CN 201810842618A CN 108879475 B CN108879475 B CN 108879475B
- Authority
- CN
- China
- Prior art keywords
- arc
- plate
- groove
- transmission line
- connecting rod
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 239000004020 conductor Substances 0.000 title claims abstract description 19
- 238000007689 inspection Methods 0.000 claims abstract description 8
- 230000006978 adaptation Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 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
Landscapes
- Electric Cable Installation (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a special tool for checking the routing of double split conductors of a power transmission line, which comprises two conductors, a man-carrying box, a first arc-shaped plate, a second arc-shaped plate, a connecting column, a connecting groove, a fixing block, a supporting rod, a tool box, a cover plate, a U-shaped connecting rod and a threaded column, wherein the two conductors are arranged in parallel, the man-carrying box is arranged at the lower ends of the two conductors, one side of the man-carrying box is provided with a notch, two end openings of the notch are respectively provided with an arc-shaped groove, the two arc-shaped grooves are respectively connected with the first arc-shaped plate and the second arc-shaped plate in a sliding manner, when encountering the sub-spacing rods, the opening and closing lock of one rotating shaft can be opened firstly and then fastened again after passing the sub-spacing rods, when the crossing of the other rotating shaft is finished, the inspection is continuously carried out, safety and labor saving are realized, and the working time of the wiring inspection of the overhead transmission line is shortened from the original 2 hours to 30 minutes.
Description
The technical field is as follows:
the invention relates to a special tool for checking double split conductor routing of a power transmission line, and belongs to the technical field of power transmission lines of power systems.
Background art:
the transmission line is an important component of the power grid, the length is large, the related range is wide, ordinary line patrol workers can only use tools such as a telescope to look at the transmission line under the line, and some defects cannot be seen, so that the transmission line needs to be regularly checked for routing, and the defects are found and eliminated. At present, the two split conductor of transmission line walk the line inspection and do not need corresponding instrument, can only be the people directly walk on the wire after taking measures and inspect because of work needs, do so and have very big potential safety hazard, work efficiency is also not high, and a shelves transmission line walks about 2 hours consuming time of line inspection, causes very big burden to the staff.
The invention content is as follows:
the invention aims to solve the problems, and provides a special tool for checking the double split conductor routing of the power transmission line, which solves the problem of low efficiency of the conventional routing checking device.
In order to solve the above problems, the present invention provides a technical solution: the special tool for checking the routing of the double-split conducting wires of the power transmission line comprises two conducting wires, a man-carrying box, a first arc-shaped plate, a second arc-shaped plate, a connecting column, a connecting groove, a fixing block, a supporting rod, a tool box, a cover plate, a U-shaped connecting rod and a threaded column, wherein the two conducting wires are arranged in parallel, the man-carrying box is arranged at the lower ends of the two conducting wires, one side of the man-carrying box is provided with a notch, two ports of the notch are respectively provided with an arc-shaped groove, the two arc-shaped grooves are respectively connected with the first arc-shaped plate and the second arc-shaped plate in a sliding manner, the shapes and the sizes of the first arc-shaped plate and the second arc-shaped plate are the same, push-pull handles are fixedly installed at the positions, close to the side edges, of the inner arc surface and the outer arc surface of the first arc-shaped plate, the positions, close to the side edges, the push-pull handle is characterized in that a push-pull groove is formed in the upper end of the push-pull handle, the depth of the push-pull groove is smaller than the height of the push-pull handle, two connecting columns are fixedly mounted on one side of the first arc-shaped plate, the two connecting columns are symmetrically distributed around the transverse central axis of the side where the two connecting columns are located, slots are formed in the positions, close to the ports, of the two connecting columns, and two connecting grooves are formed in the positions, corresponding to the two connecting columns, of one side of.
A supporting seat is fixedly arranged at the central position of a base in the manned box, a supporting rod is fixedly connected at the central position of the upper end of the supporting seat, a tool box is arranged in the manned box, a fixed plate is fixedly arranged at one side of the upper end of the tool box, a notch is arranged at one side of the fixed plate, a rotating groove is arranged on the inner wall of the notch, a cover plate is arranged in the notch, a cover plate handle is fixedly arranged at the upper end of the cover plate close to the port position, rotating columns are fixedly arranged at two side edge ports of the cover plate close to the notch position, the cover plate is rotatably connected with the fixed plate through the two rotating columns and the two rotating grooves, a square notch is arranged at the lower end of the cover plate, a convex plate is arranged at the contact position of the upper end of the tool box and the cover plate, the utility model discloses a pair of handrail, including U type connecting rod, bracing piece upper end fixedly connected with annular connecting piece, bracing piece upper end is equipped with U type connecting rod, U type connecting rod middle part is equipped with the spacing groove, spacing groove and annular connecting piece looks adaptation design, U type connecting rod passes through the spacing groove and is connected with annular connecting piece, two handrails of U type connecting rod lower extreme fixedly connected with, two handrails are about the longitudinal center line axial symmetric distribution of U type connecting rod.
Preferably, the two connecting grooves are distributed in a line symmetry manner around the lateral transverse center line where the two connecting grooves are located, a fixed block is fixedly installed in the middle of the first groove, two bottom plates which are arranged in parallel are fixedly installed at the bottom of the first groove, two moving blocks are arranged at the upper end of the first groove, one side edges of the two moving blocks are both attached to the fixed block, sliding grooves are formed in the two groove edges in the first groove, the two sliding grooves are located on the same horizontal plane, sliding blocks are fixedly installed in the middle of the two side edges where the two moving blocks are in contact with the first groove, the width of each sliding block is equal to the width of each sliding groove, the two moving blocks are respectively in sliding connection with the first groove through the two sliding blocks and the two sliding grooves, a second groove is formed between the two bottom plates, adjusting blocks are fixedly connected to the middle of the lower end, the two moving blocks are connected with the two bottom plates in a sliding mode through second grooves and adjusting blocks, the adjusting blocks are fixedly connected with the fixed blocks through springs, inserting rods are fixedly connected to one sides of the adjusting blocks, the outer diameter of each inserting rod is equal to the inner diameter of each inserting groove, and the inserting rods are inserted into the inserting grooves.
Preferably, the support plates are arranged at two ports of the U-shaped connecting rod, the fixing parts are fixedly connected with the two ports of the U-shaped connecting rod, and the U-shaped connecting rod is fixedly connected with the support plates through the fixing parts.
Preferably, the upper end of the carrier plate is fixedly provided with two connecting plates, one side of each connecting plate is fixedly provided with a threaded column, two bearings are arranged between the connecting plates, one side of each bearing is fixedly connected with the side wall of the corresponding connecting plate, and one side of each connecting plate is provided with a small hole.
Preferably, the two bearings are rotatably connected through a rotating shaft, and one end of the other bearing is fixedly connected with a threaded rod.
Preferably, the end part of the threaded rod is provided with an internal thread groove, and the threaded rod passes through the small hole.
Preferably, a nut is arranged on one side of the small hole, an external thread ring is arranged on the inner wall of the nut, and the nut is in threaded connection with the threaded rod through the external thread ring and the internal thread groove.
The invention has the beneficial effects that: the invention relates to a special tool for checking the wiring of a double-split wire of a power transmission line, which is developed by the invention and is suitable for the wiring checking work of the power transmission line, wherein after a worker climbs an iron tower, two rotating shafts of the tool are respectively hung on two wires and fastened to open and close a lock, the worker tightens a seat, and can drive the tool to move forwards by pulling the wires with hands after fastening a safety belt, so that the wiring checking is carried out, when the sub-spacers are met, an opening and closing lock of one rotating shaft can be firstly opened to pass through the sub-spacers and then fastened to open and close the lock again, the crossing of the other rotating shaft is completed, the checking is continuously carried out, the safety and the labor saving are realized, and the wiring checking work time of the overhead power transmission line is shortened to 30.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a first curved plate structure according to the present invention;
FIG. 3 is a schematic view of a second curved plate structure according to the present invention;
FIG. 4 is a schematic view of the insertion rod connection structure of the present invention;
FIG. 5 is a schematic view of the interior of the passenger compartment of the present invention;
FIG. 6 is a schematic view of the cover plate structure of the present invention;
fig. 7 is a schematic view of a bearing connection structure of the present invention.
In the figure: 1. a wire; 2. a manned box; 3. an arc-shaped slot; 4. a first arc-shaped plate; 5. a second arc-shaped plate; 6. a push-pull handle; 7. a first groove; 8. a stop lever; 9. a push-pull groove; 10. connecting columns; 11. a slot; 12. a fixed block; 13. a base plate; 14. a moving block; 15. a chute; 16. a slider; 17. a second groove; 18. an adjusting block; 19. a spring; 20. inserting a rod; 21. a support bar; 22. a supporting seat; 23. a tool box; 24. a fixing plate; 25. a cover plate; 26. a cover plate handle; 27. rotating the column; 28. a square recess; 29. a seat belt; 30. safe lock catch; 31. an annular connector; 32. a U-shaped connecting rod; 33. a limiting groove; 34. a handrail; 35. a carrier plate; 36. a fixing member; 37. a connecting plate; 38. a threaded post; 39. a bearing; 40. a rotating shaft; 41. a nut; 42. a threaded rod; 43. and connecting the grooves.
The specific implementation mode is as follows:
as shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment: the special tool for checking the double-split conductor routing of the power transmission line comprises two conductors 1, a man-carrying box 2, a first arc-shaped plate 4, a second arc-shaped plate 5, a connecting column 10, a connecting groove 43, a fixing block 12, a supporting rod 21, a tool box 23, a cover plate 25, a U-shaped connecting rod 32 and a threaded column 38, wherein the two conductors 1 are arranged in parallel, the man-carrying box 2 is arranged at the lower end of each of the two conductors 1, a notch is arranged at one side of the man-carrying box 2, an arc-shaped groove 3 is respectively arranged at two port parts of the notch, the two arc-shaped grooves 3 are respectively connected with the first arc-shaped plate 4 and the second arc-shaped plate 5 in a sliding manner, the first arc-shaped plate 4 and the second arc-shaped plate 5 are identical in shape and size, push-pull handles 6 are fixedly arranged at positions, close to the side edges, of an inner arc surface and an outer arc surface, the two connecting columns 10 are symmetrically distributed about the transverse central axes of the two sides, the two connecting columns 10 are close to the port positions, slots 11 are respectively formed in the positions, corresponding to the two connecting columns 10, of one side edge of the first arc-shaped plate 4, and the two connecting grooves 43 are formed in the positions, corresponding to the two connecting columns 10, of the second arc-shaped plate 5, close to one side edge of the first arc-shaped plate 4.
Wherein, the two connecting grooves 43 are distributed symmetrically about the lateral transverse central axis of the two connecting grooves, the middle part of the first groove 7 is fixedly provided with a fixed block 12, the bottom position of the first groove 7 is fixedly provided with two bottom plates 13 which are arranged in parallel, the upper end of the first groove 7 is provided with two moving blocks 14, one lateral sides of the two moving blocks 14 are both attached to the fixed block 12, two groove sides in the first groove 7 are both provided with a sliding groove 15, the two sliding grooves 15 are positioned on the same horizontal plane, the middle parts of the two lateral sides of the two moving blocks 14 contacting with the first groove 7 are both fixedly provided with a sliding block 16, the width of the sliding block 16 is equal to the width of the sliding groove 15, the two moving blocks 14 are respectively connected with the first groove 7 in a sliding way through the two sliding blocks 16 and the two sliding grooves 15, a second groove 17 is arranged between the two bottom plates 13, and the middle parts, the width of the two adjusting blocks 18 is equal to the width of the second groove 17, the two moving blocks 14 are slidably connected with the two bottom plates 13 through the second groove 17 and the adjusting blocks 18, the two adjusting blocks 18 are fixedly connected with the fixed block 12 through springs 19, an inserting rod 20 is fixedly connected to one side of the two adjusting blocks 18, the outer diameter of the inserting rod 20 is equal to the inner diameter of the slot 11, the inserting rod 20 is inserted into the slot 11, a supporting seat 22 is fixedly arranged at the center position of the base inside the manned box 2, a supporting rod 21 is fixedly connected to the center position of the upper end of the supporting seat 22, a tool box 23 is arranged in the manned box 2, a fixed plate 24 is fixedly arranged at one side of the upper end of the tool box 23, a notch is arranged at one side of the fixed plate 24, a rotating groove is arranged on the inner wall of the notch, a cover plate 25 is, the cover plate 25 is fixedly provided with rotating columns 27 at two side edge ports close to the notch position, the cover plate 25 is rotatably connected with the fixing plate 24 through the two rotating columns 27 and two rotating grooves, the lower end of the cover plate 25 is provided with a square notch 28, the contact position of the upper end of the tool box 23 and the cover plate 25 is provided with a convex plate, the square notch 28 and the convex plate are in adaptive design, the inner wall of the manned box 2 is fixedly connected with a safety belt 29, the port of the safety belt 29 is fixedly connected with a safety lock catch 30, the upper end of the supporting rod 21 is fixedly connected with an annular connecting piece 31, the upper end of the supporting rod 21 is provided with a U-shaped connecting rod 32, the middle part of the U-shaped connecting rod 32 is provided with a limiting groove 33, the limiting groove 33 and the annular connecting piece 31 are in adaptive design, the U-shaped connecting rod 32 is connected with, the two handrails 34 are symmetrically distributed around the longitudinal central axis of the U-shaped connecting rod 32, the two ports of the U-shaped connecting rod 32 are provided with the support plate 35, the two ports of the U-shaped connecting rod 32 are fixedly connected with the fixing pieces 36, the U-shaped connecting rod 32 is fixedly connected with the support plate 35 through the fixing pieces 36, the upper end of the support plate 35 is fixedly provided with two connecting plates 37, one side of each of the two connecting plates 37 is fixedly provided with a threaded column 38, two bearings 39 are arranged between the two connecting plates 37, one side of one of the bearings 39 is fixedly connected with the side wall of the connecting plate 37, one side of the connecting plate 37 is provided with a small hole, the two bearings 39 are rotatably connected through a rotating shaft 40, the other one end of the bearing 39 is fixedly connected with a threaded rod 42, the end part of the threaded, the inner wall of the nut 41 is provided with an external thread ring, and the nut 41 is in threaded connection with the threaded rod 42 through the external thread ring and an internal thread groove.
The using state of the invention is as follows: the worker walks into the manned box 2, pulls the two moving blocks 14, the two springs 19 are compressed at the moment, the inserted rods 20 are retracted, the connecting column 10 is inserted into the connecting groove 43 by pushing and pulling the handle 6, the two moving blocks 14 are loosened, the springs 18 are elastically restored at the moment, the two inserted rods 20 are respectively inserted into the corresponding slots 11 to limit the connecting column 10, so that the first arc-shaped plate 4 and the second arc-shaped plate 5 are limited, the worker is protected, then the worker is safely protected by the safety belt 29 and the safety lock catch 30 in the manned box 2, the two wires 1 are respectively placed at the lower ends of the corresponding rotating shafts 40, the manned box 2 moves back and forth by rolling of the rotating shafts 40 to carry out inspection, when the sub-spacer is met, the screw cap 41 can be unscrewed firstly, the threaded rod 42 is taken out of the small hole of the connecting plate 37, the wires 1 are taken out of the connecting plate 37, the threaded rod 42 is inserted into the small hole again after passing through the sub-spacers, the threaded rod 42 is fastened and limited through the nut 41, the other rotating shaft 40 is spanned, the inspection is continued, safety and labor saving are achieved, and the wiring inspection working time of the overhead transmission line is shortened from the original 2 hours to 30 minutes.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. Two split conductor of transmission line walk line inspection specialized tool, including two wires (1), manned case (2), first arc (4), second arc (5), spliced pole (10), spread groove (43), fixed block (12), bracing piece (21), toolbox (23), apron (25), U type connecting rod (32) and screw thread post (38), its characterized in that, two wire (1) parallel arrangement each other, two wire (1) lower extreme is equipped with manned case (2), manned case (2) one side is equipped with the breach, and one arc (3) have all been seted up to two port departments of breach, two arc (3) sliding connection respectively have first arc (4) and second arc (5), first arc (4) and second arc (5) shape is the same, the size equals, equal push-and-pull handle (2) is all fixed mounting near the side to the interior cambered surface and the extrados side of first arc (4) are close to the position 6) A first groove (7) is formed in the position, close to the side edge, of the outer arc surface of the second arc plate (5), stop rods (8) are fixedly mounted at the positions, on the other side edge, of the inner arc surface and the outer arc surface of the first arc plate (4) and the second arc plate (5), a push-pull groove (9) is formed in the upper end of the push-pull handle (6), the depth of the push-pull groove (9) is smaller than the height of the push-pull handle (6), two connecting columns (10) are fixedly mounted on one side of the first arc plate (4), the two connecting columns (10) are symmetrically distributed around the transverse central axis of the side edge where the two connecting columns are located, slots (11) are formed in the positions, close to the ports, of the two connecting columns (10), and two connecting grooves (43) are formed in the positions, corresponding to the two connecting columns (10), of one side edge;
the inner base center position of the manned box (2) is fixedly provided with a supporting seat (22), the upper end center position of the supporting seat (22) is fixedly connected with a supporting rod (21), a tool box (23) is arranged in the manned box (2), one side of the upper end of the tool box (23) is fixedly provided with a fixed plate (24), one side of the fixed plate (24) is provided with a notch, two side edges of the inner wall of the notch are respectively provided with a rotating groove, a cover plate (25) is arranged in the notch, the upper end of the cover plate (25) is fixedly provided with a cover plate handle (26) close to the port position, two side edge ports of the cover plate (25) close to the notch position are respectively and fixedly provided with a rotating column (27), the cover plate (25) is rotatably connected with the fixed plate (24) through the two rotating columns (27) and the two rotating grooves, the lower end of the cover plate (25) is provided with, square notch (28) and flange looks adaptation design, fixedly connected with safety belt (29) on manned case (2) inner wall, port fixedly connected with safety lock catch (30) of safety belt (29), bracing piece (21) upper end fixedly connected with annular connecting piece (31), bracing piece (21) upper end is equipped with U type connecting rod (32), U type connecting rod (32) middle part is equipped with spacing groove (33), spacing groove (33) and annular connecting piece (31) looks adaptation design, U type connecting rod (32) are connected with annular connecting piece (31) through spacing groove (33), two handrails (34) of U type connecting rod (32) lower extreme fixedly connected with, two handrails (34) are about the vertical central line spool symmetric distribution of U type connecting rod (32).
2. The special tool for checking the double split conductor routing of the power transmission line according to claim 1, characterized in that: two ports department of U type connecting rod (32) all is equipped with support plate (35), two ports of U type connecting rod (32) are fixed connection mounting (36) all, U type connecting rod (32) pass through mounting (36) and support plate (35) fixed connection.
3. The special tool for checking the double split conductor routing of the power transmission line according to claim 2, characterized in that: support plate (35) upper end fixed mounting has two connecting plates (37), two the equal fixed mounting in connecting plate (37) one side has screw thread post (38), two be equipped with two bearing (39) between connecting plate (37), one of them bearing (39) one side and the lateral wall fixed connection of connecting plate (37), connecting plate (37) one side is equipped with the aperture.
4. The special tool for checking the double split conductor routing of the power transmission line according to claim 3, characterized in that: two rotate through pivot (40) between the bearing (39) and connect, another bearing (39) one end fixedly connected with threaded rod (42).
5. The special tool for checking the double split conductor routing of the power transmission line according to claim 4, characterized in that: the end part of the threaded rod (42) is provided with an internal thread groove, and the threaded rod (42) penetrates through the small hole.
6. The special tool for checking the double split conductor routing of the power transmission line according to claim 5, characterized in that: the screw cap is characterized in that a screw cap (41) is arranged on one side of the small hole, an outer thread ring is arranged on the inner wall of the screw cap (41), and the screw cap (41) is in threaded connection with the threaded rod (42) through the outer thread ring and the inner thread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842618.0A CN108879475B (en) | 2018-07-27 | 2018-07-27 | Special tool for checking double split conductor wiring of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842618.0A CN108879475B (en) | 2018-07-27 | 2018-07-27 | Special tool for checking double split conductor wiring of power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108879475A CN108879475A (en) | 2018-11-23 |
| CN108879475B true CN108879475B (en) | 2020-01-21 |
Family
ID=64305803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810842618.0A Expired - Fee Related CN108879475B (en) | 2018-07-27 | 2018-07-27 | Special tool for checking double split conductor wiring of power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108879475B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366599B (en) * | 2020-11-25 | 2022-04-12 | 国网山东省电力公司烟台供电公司 | Special tool for checking wiring of four-bundle conductor of power transmission line |
| CN113809679B (en) * | 2021-09-28 | 2022-11-29 | 国网浙江省电力有限公司绍兴市上虞区供电公司 | Overhead transmission line double bundle conductor walks line inspection professional equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06327112A (en) * | 1993-05-14 | 1994-11-25 | Hitachi Cable Ltd | Spacer passage type midair machine for complex conductor transmission line |
| CN201608465U (en) * | 2009-12-25 | 2010-10-13 | 江苏省电力公司无锡供电公司 | Walking basket for power transmission line |
| CN104868397A (en) * | 2015-05-14 | 2015-08-26 | 国家电网公司 | Tumbling pulley used for crossing horizontally-arranged double-bundled conductor spacer |
| CN205452962U (en) * | 2016-04-08 | 2016-08-10 | 江苏省电力公司苏州供电公司 | Work platform frame |
| CN107196261A (en) * | 2017-07-13 | 2017-09-22 | 国网山东省电力公司烟台供电公司 | It is a kind of to be used for the Anti-loose sub-lead spacer of double division circuits |
| CN207504487U (en) * | 2017-11-13 | 2018-06-15 | 高志强 | A kind of cable bearer for building applied to cable construction |
| CN208423618U (en) * | 2018-07-27 | 2019-01-22 | 国网山东省电力公司烟台供电公司 | A kind of dual bundle conductor of power transmission line walks ray examination specific purpose tool |
-
2018
- 2018-07-27 CN CN201810842618.0A patent/CN108879475B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108879475A (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108879475B (en) | Special tool for checking double split conductor wiring of power transmission line | |
| CN208423618U (en) | A kind of dual bundle conductor of power transmission line walks ray examination specific purpose tool | |
| CN108718055B (en) | Special tool for checking double split conductor routing of power transmission line | |
| CN210246104U (en) | Transformer substation overhauls operation platform | |
| CN108928782A (en) | A kind of Mobile distribution line maintenance device | |
| CN107332145B (en) | Portable maintenance platform for current transformer | |
| CN110401136B (en) | Overhead ground wire fitting shifting and resetting device | |
| CN206592069U (en) | A kind of electric power first-aid ladder | |
| CN217597052U (en) | Detachable electricity inspection tool bogie | |
| CN209402069U (en) | A kind of insulated conductor wire tensioning device | |
| CN209993996U (en) | Suspension clamp gasket supplementing device | |
| CN110921581B (en) | Modular hoisting equipment for high-rise steel structure and construction method | |
| CN210061077U (en) | Transformer maintenance tool | |
| CN211729124U (en) | Emergency terminal box for oilfield production workers | |
| CN214850181U (en) | Portable support frame is used in electric wire netting capital construction | |
| CN111342392B (en) | Same-tower double-circuit transmission line interphase limiting live working method | |
| CN206237048U (en) | A kind of easy to operate elevator for lead of power overhauling tower | |
| CN110571690B (en) | Transformer substation overhauls operation platform | |
| CN111162478A (en) | Suspension clamp gasket supplementing device | |
| CN221353366U (en) | Ring main unit grounding device | |
| CN216794475U (en) | Supplementary hanging wire device in high altitude | |
| CN221256318U (en) | Split assembled cross arm | |
| CN219203811U (en) | Weak current distribution structure for building floor | |
| CN213455535U (en) | Little electric wire netting environment monitoring device of direct current | |
| CN209786427U (en) | Rack for power transmission and distribution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20210727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |