CN111864619B - 10kv drainage wire replacement supporting tool with load switch - Google Patents
10kv drainage wire replacement supporting tool with load switch Download PDFInfo
- Publication number
- CN111864619B CN111864619B CN201911208653.8A CN201911208653A CN111864619B CN 111864619 B CN111864619 B CN 111864619B CN 201911208653 A CN201911208653 A CN 201911208653A CN 111864619 B CN111864619 B CN 111864619B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- drainage wire
- hook
- fixed
- supporting tool
- 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.)
- Active
Links
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
Abstract
The invention discloses a 10kV load switch drainage wire replacement supporting tool, which comprises two groups of supporting frames arranged in a mirror mode, wherein each supporting frame comprises two supporting rods arranged in a mirror mode and a first connecting rod connected to the top ends of the two supporting rods, a plurality of drainage wire locking assemblies are arranged on the supporting rods, a lantern ring is arranged between the first connecting rods, two sides of the lantern ring are connected with the first connecting rods through second connecting rods, and a plurality of third connecting rods are arranged between the supporting frames.
Description
Technical Field
The invention belongs to the technical field of live working tools, and particularly relates to a 10kV load switch drainage wire replacement supporting tool.
Background
The general method for replacing the drainage wire of the loaded switch comprises the following steps: live working personnel in two insulating arm cars No. 1 and No. 2 carry out insulation shielding on an electric lead, a switch lead, a strain insulator and a cross arm in sequence, the car working personnel No. 1 and No. 2 respectively complete confirmation of switch positions and current measurement work, the car working personnel No. 1 and No. 2 are respectively responsible for installation of a switch lead-in side drainage wire and a switch lead-out side drainage wire and carry out current measurement on the installed drainage wire, after the situation that the through current is normal is confirmed, the lead and an old switch on two sides of the switch are removed, a new switch is replaced, then the working personnel respectively install the lead on two sides of a switch on a column and complete lead connection work, the switch is closed to confirm normal operation of the switch, finally, the working personnel synchronously remove the drainage wire, remove the insulation shielding and complete the operation, the working personnel need to approach the lead to carry out short-distance disassembly and installation, and the working efficiency and the safety are not high.
Chinese utility model patent with publication number CN203398643U discloses a drainage wire support, be in including insulating baffle, setting insulating buckle that is used for fixed drainage wire on the insulating baffle is blocked and is used for fixing insulating baffle fixing device of insulating baffle. During the use, at first with the drainage wire parcel in insulating hose, then place the insulating hose that the parcel has the drainage wire in insulating buckle for insulating hose fixes on insulating baffle, then fix insulating baffle on concrete pole cross arm side angle steel at scene through insulating baffle fixing device, thereby realize the fixed of drainage wire, need not to insulate in advance and shield, work efficiency is high, but insulating buckle all is located one side of strong point, when receiving pressure in the drainage wire installation, the support probably drops from the fixed department, it is fixed unreliable.
The Chinese invention patent with the publication number of CN109994961A discloses a pole-mounted switch device and a method for replacing a pole-mounted switch device with load for a vertically arranged 10kV overhead line, wherein the pole-mounted switch device for replacing the load of the vertically arranged 10kV overhead line with the load comprises a branch line cross arm fixing frame, a branch line assembly and an insulating operating rod; the shunt line assemblies are fixed on the shunt line cross arm fixing frame and comprise shunt line main pipes and soft high-voltage lines, two ends of each shunt line main pipe are respectively connected with one soft high-voltage line, one end of each soft high-voltage line is connected with the shunt line main pipe, and the other end of each soft high-voltage line is connected with the high-voltage line; the shunting line cross arm fixing frame is fixed on the cross arm, is matched with the insulating operating rod and is fixed on the cross arm through the insulating operating rod, so that the working strength of an operator is reduced, and the transportation and the storage of tools are facilitated. However, the fixing point of the invention is single, the firmness is not good, the distance between the drainage wires after being fixed is too small, the potential safety hazard exists, the operation is heavy, the operation efficiency is low and the safety is not high even though the insulating gun shooting rod is used for remote operation.
Disclosure of Invention
In view of the above, the invention aims to provide a drainage wire laying and supporting tool for a 10kv on-load replacement switch, which greatly protects the safety of operators while improving the operation efficiency by a method of opening a supporting rod and laterally installing a drainage wire on the supporting rod.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a support instrument is changed to 10kV on-load switch drainage wire, includes the support frame that two sets of mirror images set up, the support frame includes the bracing piece that two mirror images set up and the connecting rod one on connecting two bracing piece tops, set up a plurality of drainage wire shutting subassemblies on the bracing piece, set up the lantern ring between the connecting rod one, the lantern ring both sides of saying are passed through connecting rod two and are connected with connecting rod one, set up a plurality of connecting rods three between the support frame.
Furthermore, the second connecting rod is perpendicular to the first connecting rod, and the third connecting rod is parallel to the second connecting rod.
Further, drainage piece shutting subassembly include fixed hook, rotatory hook and with rotatory hook assorted pothook, the fixed hook is two, the fixed hook sets up respectively in the bracing piece both sides, set up the mandrel between the fixed hook, rotate on the mandrel and connect rotatory hook, set up annular one on the mandrel, set up the torsional spring in the annular one, fixed hook and rotatory hook are connected respectively to the torsional spring both ends, the pothook rotates to be connected on the bracing piece between the fixed hook, set up the spring between pothook and the bracing piece.
Furthermore, an annular groove II is formed in the connecting rod I, through holes matched with the annular groove II are formed in the three end portions of the connecting rod, and the three ends of the connecting rod are detachably connected with the two support frames respectively.
Furthermore, the support frame is still including setting up connecting rod four between the bracing piece, connecting rod four is parallel with connecting rod one, a connecting rod middle part sets up the link.
Furthermore, a bearing is arranged in the middle of the first connecting rod and is connected with the hanging ring through a fifth connecting rod.
Further, a rubber layer is arranged on the inner circumferential surface of the lantern ring.
Furthermore, the fixed hook, the rotating hook, the clamping hook and the hanging ring are all made of insulating materials.
With the continuous opening of the electric power market, hot-line work replaces the traditional power failure maintenance and is the development direction of the future 10kV power distribution network maintenance, when a drainage wire with a load switch is replaced, an insulating bucket arm vehicle is generally adopted to lift an operator carrying a tool to a proper working position for operation, wires on a wire rod are arranged densely, so the operator generally carries a drainage wire supporting tool with a small volume, the drainage wire supporting tool is prevented from being touched and wound with the wires while the working requirement is met, the working difficulty and the danger coefficient are reduced, the height of the wire rod is generally high, the top wind power is large, when the volume of the drainage wire supporting tool is large, the drainage wire supporting tool is easily blown by wind, the working quality is difficult to guarantee, and therefore technicians in the field cannot easily think that the drainage wire supporting tool with a large volume is used for replacing the drainage wire.
The invention has the beneficial effects that:
1. a10 kV drainage wire laying and supporting tool for a load-bearing replacement switch comprises two groups of supporting frames arranged in a mirror image mode, each supporting frame comprises two supporting rods arranged in a mirror image mode and a first connecting rod for connecting the top ends of the two supporting rods, a plurality of drainage wire locking assemblies are arranged on the supporting rods, a lantern ring is arranged between the first connecting rods, two sides of each lantern ring are connected with the first connecting rod through a second connecting rod, the lantern ring can be sleeved at the top of the 10kV wire rod to fix the whole support, the support is prevented from falling and being inclined, the structure is simple, and the fixation is convenient and reliable; each support rod is provided with a drainage wire locking assembly, and one drainage wire can be fixed through two drainage wire locking devices, so that the fixation is firmer; the four support rods are in an open state, the number of the drainage wire locking assemblies on each support rod is multiple, the drainage wires can be simultaneously installed on the support rods, close-distance contact with a wire is not needed, an insulating blanket does not need to be laid in advance, the operation efficiency is greatly improved, and the safety is higher; set up a plurality of connecting rods three between the support frame, prevent that the supporting tool warp.
2. The second connecting rod is perpendicular to the first connecting rod, the third connecting rod is parallel to the second connecting rod, the bearing capacity of the whole supporting tool is stronger, and the work is more reliable.
3. The drainage wire locking component comprises two fixed hooks, two rotating hooks and two clamping hooks matched with the rotating hooks, the fixed hooks are symmetrically arranged at two sides of the supporting rod, a mandrel is arranged between the fixed hooks, the rotating hooks are rotatably connected on the mandrel, an annular I is arranged on the mandrel, torsional springs are arranged in the annular I, two ends of a torsion ring are respectively connected with the fixed hooks and the rotating hooks, the clamping hooks are rotatably connected on the supporting rod between the fixed hooks, springs are arranged between the clamping hooks and the supporting rod, a user can place the drainage wire in the fixed hooks, the rotating hooks are rotated to be clamped with the clamping hooks, the drainage wire can be fixed in the drainage wire locking device, the drainage wire locking device is simple in structure and convenient to fix, the operation efficiency is greatly improved, after the drainage wire locking device is replaced, the rotating hooks are rotated downwards, the clamping hooks can be separated from the rotating hooks, and due to the action of the torsional springs, the rotating hook can be opened outwards, so that the drainage wire can be taken out conveniently.
4. The connecting rod I is provided with a second annular groove, the three end parts of the connecting rod are provided with through holes matched with the second annular groove, the three ends of the connecting rod are detachably connected with the two supporting frames respectively, the positions of the drainage wire locking assemblies can be changed by selecting the connecting rods with different lengths, and the fixing requirements of the drainage wires under different conditions are met.
5. The support frame is still including setting up the connecting rod four between bracing piece one, connecting rod four is parallel with connecting rod one, four middle parts of connecting rod set up the link, the user can use and penetrate pole rifle to detain and pin the ring and install the supporting tool on the wire pole, need not the manual operation, has avoided the electric shock danger.
6. The bearing is arranged in the middle of the four connecting rods, the bearing is connected with the hanging ring through the five connecting rods, the five hanging ring accessible connecting rods and the bearing rotate around the four connecting rods, when the hanging ring mounting support is locked by the shooting gun rod, the situation that the installation angle is blocked due to adjustment of the installation position can be avoided, and the practicability is higher.
7. The rubber layer is arranged on the inner shaft surface of the sleeve ring, so that the friction force between the sleeve ring and the electric pole is increased, the supporting tool is not prone to shaking after being installed, and the work is more reliable.
8. The fixed hook, the rotating hook, the clamping hook and the hanging ring are all made of insulating materials, electric shock can be effectively prevented, and the safety is higher.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view of the connection of the latch assembly to the support rod;
FIG. 3 is a schematic view of the structure of the rotating shaft, the hook and the spring;
FIG. 4 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 5 is a schematic view of a connection structure between the first connection rod and the second connection rod in FIG. 4;
FIG. 6 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a fourth embodiment of the present invention;
the bearing comprises a support rod 1, a connecting rod I2, a lantern ring 3, a connecting rod II 4, a connecting rod III 5, a fixed hook 6, a rotating hook 7, a hook 8, a mandrel 9, a ring groove I10, a torsion spring 11, a spring 12, a ring groove II 13, a connecting rod IV 14, a hanging ring 15, a bearing 16, a connecting rod V17, a rubber layer 18, a groove 19, a bolt I20, a bolt II 21 and a bolt III 22.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-3, a first embodiment of the invention, a 10kv load switch drainage wire supporting tool, comprises two groups of supporting frames arranged in a mirror image, the supporting frames comprise two supporting rods 1 arranged in a mirror image and a first connecting rod 2 arranged between the top ends of the supporting rods 1, as shown in figure 1, an included angle of 60 degrees is formed between two support rods 1, an included angle of 60 degrees is also formed between two support frames, a lantern ring 3 is arranged between the first connecting rods 2, the lantern ring 3 is a ring made of polypropylene, two connecting rods two 4 are fixed on two outer sides of the lantern ring 3 along the radial direction through viscose glue, the connecting rods two 4 are of solid cuboid plate-shaped structures, through holes are punched at the other ends of the connecting rods two 4 through a punching machine, the connecting rods one 2 are inserted and fixed in the through holes through viscose glue, and two ends of the first connecting rod 2 are respectively welded on the adjacent supporting rods 1, and the second connecting rod 4 is perpendicular to the first connecting rod 2. In order to prevent the deformation of the supporting tool, two connecting rods III 5 are arranged between the supporting frames, two ends of each connecting rod III 5 are respectively welded on the adjacent supporting rods 1, and the connecting rods III 5 are parallel to the connecting rods II 4. Still welding connecting rod four 14 between the bracing piece 1 of every support frame, connecting rod four 14 is parallel with connecting rod one 2, and four 14 below of connecting rod set up link 15, and link 15 is the ring of polypropylene material, through five 17 of viscose fixed connection pole between link 15 and the connecting rod four 14, and five 17 of connecting rod are perpendicular with lantern ring 3. Each support rod 1 is provided with two identical drainage wire locking devices, as shown in fig. 2, each drainage wire locking device comprises a fixed hook 6, a rotating hook 7 and two clamping hooks 8 matched with the rotating hooks 7, the two fixed hooks 6 are respectively arranged at two sides of each support rod 1, the two fixed hooks 6 are fixed on the support rods 1 through four bolts one 20, nuts are arranged at the other ends of the bolts one 20, the rotating hooks 7 are arranged between the two fixed hooks 6, through holes are punched on the rotating hooks 7 through punching machines, steel mandrels 9 are inserted in the through holes, annular grooves one 10 are machined on the mandrels 9 through lathes, torsion springs 11 are arranged in the annular grooves one 10, the depth of the annular grooves one 10 is larger than the diameter of steel wires of the torsion springs 11, one ends of the torsion springs 11 are fixed on the rotating hooks 7 in a mode of adhesive tape winding and the like, the other ends of the torsion springs are fixed on the mandrels 9 through adhesive glue and the like, two ends of the mandrels 9 are fixed between the fixed hooks 6 through adhesive glue and the like, cut out recess 19 through the cutting machine on the bracing piece 1 between the fixed hook 6, pothook 8 is connected to the recess 19 internal rotation, four bolts 20 all run through recess 19, the through-hole is beaten out through the puncher in the top of pothook 8, the bolt 20 that is located the top is pegged graft in the through-hole, through viscose fixed spring 12 between pothook 8 and the draw-in groove 19, wherein, fixed hook 6, rotatory hook 7 and pothook 8 are the polypropylene material, rotatory hook 7, fixed hook 6 and spring 12's structure is shown in fig. 3. In order to increase the strength of the drainage wire locking assembly, through holes corresponding to each other are respectively punched on the two fixing hooks 6, a second bolt 21 is inserted into the through holes, and a nut is installed at the other end of the second bolt 21.
When in use, live working personnel separately ride two insulating bucket arm vehicles to rise to two horizontal sides above the top of a 10kV wire pole, the shooting gun rod is locked on the hanging ring 15 and then the supporting tool is lifted, the lantern ring 3 is sleeved at the top end of the wire pole, the live working personnel place the drainage wire in the arc-shaped groove of the fixed hook 6, the insulating lock rod is utilized to rotate the rotating hook 7, the rotating hook 7 is clamped with the clamping hook 8, the drainage wire is fixed in the hole formed by the enclosing among the fixed hook 6, the rotating hook 7 and the clamping hook 8, then the live working personnel install two ends of the drainage wire, after the installation is finished and the flow measurement is normal, and (3) replacing the new 10kV switch, disconnecting the drainage wire after the replacement is finished and the through-flow is normal, downwards rotating the rotating hook 7 to separate the clamping hook 8 from the rotating hook 7, outwards opening the rotating hook 7, taking down the drainage wire, and finally detaching the supporting tool from the 10kV wire pole to finish the operation.
Example two
As shown in fig. 4 and 5, a second embodiment of the present invention is different from the first embodiment in that two ends of a connecting rod three 5 are fixed on adjacent support rods 1 through a bolt three 22, the other end of the bolt three 22 is connected with a nut in a threaded manner, the middle part of the connecting rod one 2 is machined to form a ring groove two 13, the end part of the connecting rod two 4 is punched with a through hole with the same diameter as the ring groove two 13 through a punch, during installation, the connecting rod two 4 can be radially cut along the middle part of the ring groove two 13, the two cut connecting rods two 4 are bonded in the through hole through glue, the connecting rod two 4 can be in the through hole, and a worker can change the position of the drainage wire locking assembly by installing the connecting rod three 5 with different lengths.
EXAMPLE III
As shown in fig. 6, a third embodiment of the present invention, which is different from the first embodiment in that one end of a connecting rod five 17 is fixed on a hanging ring 15 through glue, the other end is welded on a bearing 16, the bearing 16 is a ball bearing, the inner ring circumference of the bearing 16 is welded in the middle of a connecting rod four 14, and the hanging ring 15 can rotate around the connecting rod four 14.
Example four
As shown in fig. 7, a fourth embodiment of the present invention is different from the first embodiment in that a rubber layer 18 is fixed to an inner peripheral surface of a collar 3 by an adhesive.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a 10kV area load switch drainage wire changes supporting tool which characterized in that: the support frame comprises two sets of mirror images, the support frame comprises two support rods (1) arranged in a mirror image mode and a first connecting rod (2) connected to the top ends of the two support rods (1), a plurality of drainage wire locking assemblies are arranged on the support rods (1), a lantern ring (3) is arranged between the first connecting rods (2), two sides of the lantern ring (3) are connected with the first connecting rod (2) through a second connecting rod (4), a plurality of third connecting rods (5) are arranged between the support frames, each drainage wire locking assembly comprises a fixed hook (6), a rotating hook (7) and a clamping hook (8) matched with the rotating hook (7), the fixed hooks (6) are two, the fixed hooks (6) are respectively arranged on two sides of the support rods (1), a mandrel (9) is arranged between the fixed hooks (6), the rotating hook (7) is rotatably connected on the mandrel (9), a first ring groove (10) is arranged on the mandrel (9), set up torsional spring (11) in annular (10), fixed hook (6) and rotating hook (7) are connected respectively at torsional spring (11) both ends, pothook (8) rotate and connect on the bracing piece between fixed hook (6), set up spring (12) between pothook (8) and bracing piece (1), set up annular two (13) on connecting rod (2), connecting rod two (4) tip set up with annular two (13) assorted through-hole, connecting rod three (5) both ends can be dismantled with two bracing pieces (1) respectively and are connected, realize the change of drainage line shutting subassembly position through the three (5) of connecting rod of installing different length.
2. The 10kV on-load switch drainage wire replacement supporting tool of claim 1, characterized in that: the second connecting rod (4) is perpendicular to the first connecting rod (2), and the third connecting rod (5) is parallel to the second connecting rod (4).
3. The 10kV on-load switch drainage wire replacement supporting tool of claim 2, characterized in that: the support frame is still including setting up connecting rod four (14) between bracing piece (1), connecting rod four (14) are parallel with connecting rod one (2), connecting rod one (2) middle part sets up link (15).
4. The 10kV on-load switch drainage wire replacement supporting tool of claim 3, characterized in that: the middle of the first connecting rod (2) is provided with a bearing (16), and the bearing (16) is connected with the hanging ring (15) through a fifth connecting rod (17).
5. The 10kV on-load switch drainage wire replacement supporting tool of claim 1, characterized in that: a rubber layer (18) is arranged on the inner circumferential surface of the lantern ring (3).
6. The 10kV on-load switch drainage wire replacement supporting tool of claim 3, characterized in that: the fixed hook (6), the rotating hook (7), the clamping hook (8) and the hanging ring (15) are all made of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208653.8A CN111864619B (en) | 2019-11-30 | 2019-11-30 | 10kv drainage wire replacement supporting tool with load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911208653.8A CN111864619B (en) | 2019-11-30 | 2019-11-30 | 10kv drainage wire replacement supporting tool with load switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111864619A CN111864619A (en) | 2020-10-30 |
| CN111864619B true CN111864619B (en) | 2021-10-22 |
Family
ID=72970750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911208653.8A Active CN111864619B (en) | 2019-11-30 | 2019-11-30 | 10kv drainage wire replacement supporting tool with load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111864619B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112670897A (en) * | 2020-12-30 | 2021-04-16 | 国网北京市电力公司 | Drainage device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09103010A (en) * | 1995-10-06 | 1997-04-15 | Denkenshiya:Kk | Cable guide for cable wiring work |
| KR100908446B1 (en) * | 2008-12-04 | 2009-07-21 | 홍봉선 | Supporting bar for an over head line |
| CN101888072A (en) * | 2009-05-15 | 2010-11-17 | 上海市南电力工程有限公司 | On-load change method of knife switch on 10kV closing rod |
| CN104701770A (en) * | 2015-03-17 | 2015-06-10 | 国家电网公司 | Insulating support for fixing drainage wire |
| CN204793863U (en) * | 2015-07-13 | 2015-11-18 | 国网山东阳谷县供电公司 | Cable clip cable ware |
| CN107965196A (en) * | 2016-04-26 | 2018-04-27 | 宋绍哲 | A kind of electric pole |
| CN108963857A (en) * | 2018-06-29 | 2018-12-07 | 国网山东省电力公司潍坊供电公司 | A kind of application method of 10kV overhead transmission line combined type limit seal and the device |
| CN109346985A (en) * | 2018-11-20 | 2019-02-15 | 国家电网有限公司 | A kind of ground line safety dismounting auxiliary device |
| CN209608217U (en) * | 2019-03-25 | 2019-11-08 | 云南电网有限责任公司昆明供电局 | Ground potential, which is torn open, takes the dedicated extinguishing arc clamp tool of nonloaded line drainage thread operation |
| CN110424807A (en) * | 2019-07-15 | 2019-11-08 | 无锡市同腾复合材料有限公司 | A kind of lightweight composite material emergency first-aid repair electric pole |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7216850B2 (en) * | 2001-06-11 | 2007-05-15 | Daewon Electric Co. Ltd. | Electric wire changing device for wire replacing works on electric poles and power distributing method without cutting off power supply |
| JP2014103723A (en) * | 2012-11-17 | 2014-06-05 | Viscas Corp | Gap type lightning arrester for strain tower |
| CN103801039B (en) * | 2014-02-21 | 2016-06-01 | 镇江天颐装备科技有限公司 | Aerial work safety belt and using method |
| CN107732786B (en) * | 2017-11-29 | 2019-08-13 | 国网山东省电力公司济南供电公司 | A kind of drainage thread insulating support |
-
2019
- 2019-11-30 CN CN201911208653.8A patent/CN111864619B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09103010A (en) * | 1995-10-06 | 1997-04-15 | Denkenshiya:Kk | Cable guide for cable wiring work |
| KR100908446B1 (en) * | 2008-12-04 | 2009-07-21 | 홍봉선 | Supporting bar for an over head line |
| CN101888072A (en) * | 2009-05-15 | 2010-11-17 | 上海市南电力工程有限公司 | On-load change method of knife switch on 10kV closing rod |
| CN104701770A (en) * | 2015-03-17 | 2015-06-10 | 国家电网公司 | Insulating support for fixing drainage wire |
| CN204793863U (en) * | 2015-07-13 | 2015-11-18 | 国网山东阳谷县供电公司 | Cable clip cable ware |
| CN107965196A (en) * | 2016-04-26 | 2018-04-27 | 宋绍哲 | A kind of electric pole |
| CN108963857A (en) * | 2018-06-29 | 2018-12-07 | 国网山东省电力公司潍坊供电公司 | A kind of application method of 10kV overhead transmission line combined type limit seal and the device |
| CN109346985A (en) * | 2018-11-20 | 2019-02-15 | 国家电网有限公司 | A kind of ground line safety dismounting auxiliary device |
| CN209608217U (en) * | 2019-03-25 | 2019-11-08 | 云南电网有限责任公司昆明供电局 | Ground potential, which is torn open, takes the dedicated extinguishing arc clamp tool of nonloaded line drainage thread operation |
| CN110424807A (en) * | 2019-07-15 | 2019-11-08 | 无锡市同腾复合材料有限公司 | A kind of lightweight composite material emergency first-aid repair electric pole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111864619A (en) | 2020-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111864619B (en) | 10kv drainage wire replacement supporting tool with load switch | |
| CN106695209A (en) | Hay mower hob blade welding equipment and welding method thereof | |
| CN214755178U (en) | Bypass cable and electrified wire connecting device | |
| CA3071958C (en) | Wind tubine bearing removal and installation device and method | |
| CN110661212A (en) | Special-shaped parallel-groove lap joint device capable of working in hot-line mode and operation method thereof | |
| CN217589989U (en) | Cable fixing frame for electric power engineering rush repair | |
| CN208094073U (en) | Distribution network live line work dedicated pin fixing bracket | |
| CN107934702B (en) | Retractable grounding wire device | |
| CN206484182U (en) | Lawn-mower hobbing cutter blade welding equipment | |
| CN206595654U (en) | A kind of cable clamp for being easy to cable to install and change | |
| CN104505772A (en) | Split conductor clamping device and method using split conductor clamping device to replace spacers | |
| CN210517627U (en) | Composite type groove-combining lap joint device capable of live working | |
| CN208923762U (en) | A kind of high reliability band communication function low-voltage cable junction box | |
| CN114725829A (en) | Live working method for changing double-circuit line triangular arrangement straight line rod into strain rod | |
| CN210499574U (en) | Deburring device for valve core sleeve production | |
| CN205355766U (en) | Lightning protection installation device with adjustable overhead transmission line | |
| CN111786230A (en) | Grounding ring installation device, grounding ring installation robot and grounding ring installation method | |
| CN210669312U (en) | Special-shaped parallel groove lap joint device capable of working in hot-line mode | |
| CN217129161U (en) | High-voltage distribution room security fence | |
| CN110571704A (en) | Tool and method suitable for disassembling B-phase drainage line insulator of strain tower | |
| CN204333780U (en) | Bundle conductor fixing-line device | |
| CN217869218U (en) | Multifunctional electrostatic spinning insulating rod | |
| CN214192462U (en) | Special miniature maintenance platform of aerial work | |
| CN213752500U (en) | Breaker on primary and secondary fusion column | |
| CN109950830A (en) | The provision for disengagement of hot line robot arrester and method |
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 |