CN208241183U - A kind of novel high-voltage line foreign matter cleaning equipment - Google Patents
A kind of novel high-voltage line foreign matter cleaning equipment Download PDFInfo
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- CN208241183U CN208241183U CN201820622194.2U CN201820622194U CN208241183U CN 208241183 U CN208241183 U CN 208241183U CN 201820622194 U CN201820622194 U CN 201820622194U CN 208241183 U CN208241183 U CN 208241183U
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- cylinder
- electric pole
- foreign matter
- wheel
- electric wire
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Abstract
The utility model discloses a kind of novel high-voltage line foreign matter cleaning equipments, its structure includes the first electric pole, cleaning plant, second electric pole, electric wire, first electric pole is parallel to each other with the second electric pole, it is connected between first electric pole and the second electric pole by electric wire, electric wire is equipped with cleaning plant, cleaning plant respectively with the first electric pole, cleaning plant is connected, cleaning plant is by headstock, rotary cutting apparatus, cylinder, carriage, clump weight, synchronous holding meanss, cam mechanism, otic placode composition, inner barrel is respectively equipped with carriage in two sides up and down, the beneficial effects of the utility model are: providing moveable space between pulley and electric wire by spring, convenient for being passed through when electric wire is stained with foreign matter and can not clear up, cutter is rotated when cylinder is mobile, it cuts sharper, more easily to different Object is cut, and guarantees the normal operation of equipment, improves working efficiency.
Description
Technical field
The utility model relates to high-voltage line cleaning equipment field, specifically a kind of novel high-voltage line foreign matter cleaning is set
It is standby.
Background technique
High-voltage line is the capital equipment of power transmission, is erected at outdoor mostly, as time increases, will appear one often
A little foreign matters are attached to above under the action of the forces of the wind, and the foreign matters such as some of them polybag are attached to before two adjacent lines,
In some special environment there is the hidden danger of conducting two wires in (such as rainy day), so needing timely to clear up these foreign matters.
High-voltage line cleaning equipment cuts off foreign matter by mobile cleaning shuttle at present, when foreign matters are cut off easily, is easy
Occur Caton, lead to the failure of equipment, and ball is fixed at a distance from electric wire, when being adhesive with thing on electric wire, cleaning shuttle without
Method passes through, and blocking can not move in situ, influences the efficiency of cleaning.
Utility model content
The main purpose of the utility model is to overcome the deficiencies in the prior art, and it is clear to provide a kind of novel high-voltage line foreign matter
Manage equipment.
The utility model adopts the following technical solution to realize: a kind of novel high-voltage line foreign matter cleaning equipment, structure
Including the first electric pole, cleaning plant, the second electric pole, electric wire, first electric pole is parallel to each other with the second electric pole, institute
It states and is connected between the first electric pole and the second electric pole by electric wire, the electric wire is equipped with cleaning plant, the cleaning dress
It sets and is connected respectively with the first electric pole, cleaning plant, the cleaning plant is by headstock, rotary cutting apparatus, cylinder, sliding
Device, clump weight, synchronous holding meanss, cam mechanism, otic placode composition, two sides are respectively equipped with sliding dress to the inner barrel up and down
It sets, is matched between 2 carriages with electric wire, be separately installed with synchronous holding meanss at left and right sides of the inside of the cylinder,
The two sides of the carriage are hinged with synchronous holding meanss respectively, are separately installed with rotary cutting on the outside of the both ends of the cylinder
Device is cut, the rotary cutting apparatus is flexibly connected with cam mechanism, and the lateral surface of the cylinder is connected with clump weight, described to match
The opposite side of pouring weight is equipped with otic placode, and the otic placode is welded on the lateral surface of cylinder, and the otic placode is connected with 2 headstocks respectively
It connects, 2 headstocks are separately fixed at the first electric pole, on the second electric pole.
As optimization, the headstock by cabinet, motor, driving wheel, transmission belt, driven wheel, one-way mechanism, winding rope,
Winding wheel, shaft, pedestal form, and are equipped with motor in the cabinet, and the motor is connected with driving wheel, and the driving wheel is logical
It crosses transmission belt and driven wheel is sequentially connected, the driven wheel is mounted in shaft, and the both ends of the shaft are set on pedestal, institute
It states pedestal to be fixedly connected with box inside, the driven wheel is flexibly connected by one-way mechanism with winding wheel.
As optimization, the one-way mechanism is made of ratchet, limited block, pawl, and the ratchet and driven wheel are mutually flat
It goes and is mounted in shaft, the ratchet is matched with pawl, and the pawl is hinged on winding wheel, the pawl side
Face is equipped with limited block, and the limited block is welded on winding wheel.
As optimization, the carriage is made of latch plate, spring, pulley, wheel seat, and the latch plate and wheel seat are mutual
In parallel, spring is connected between the latch plate and wheel seat, equally distributed pulley is installed on the wheel seat, the pulley with
Electric wire is slidably connected, and the two sides of the wheel seat are connected with synchronous holding meanss respectively.
As optimization, the synchronous holding meanss are by sliding sleeve, guide rod, lower link, compressed spring, upper connecting rod, sliding block, sliding rail
Composition, the sliding rail are mutually perpendicular to wheel seat, and the both ends of the sliding rail are connected to cylinder inboard wall, and the sliding rail is equipped with phase therewith
The sliding block of cooperation, the sliding block are fixedly connected with wheel seat, and the sliding rail back side is vertical with guide rod to be connect, and are arranged on the guide rod
Sliding sleeve with matching is equipped with compressed spring between the sliding sleeve and sliding rail, the compressed spring is set in guide rod outer surface,
The guide rod passes through lower link, upper connecting rod and the wheel seat of 2 carriages respectively and is hinged, the lower link, upper connecting rod structure
Size is consistent and is symmetrically distributed in the two sides of guide rod.
As optimization, the rotary cutting apparatus by cutter, tool apron, groove, sliding slot, support frame, ball, wiring, bracket,
Pulley blocks composition, the cutter is cone-shaped and symmetry axis is hollow form, and on the cutter and tool apron, the tool apron is cylinder
Shape, the outer surface of the tool apron are equipped with groove, and wiring is wound on the groove, and described wiring one end passes through pulley blocks and first
Electric pole is connected, and the pulley blocks are rack-mount, and the bracket is fixedly connected with drum surface, the tool apron and retraction
Mechanism is connected, and the tool apron offers sliding slot, and the ball that support frame as described above is equipped with by tail portion is slidably connected with sliding slot, described
Support frame is fixedly connected with cylinder.
As optimization, support frame as described above is the long U-shaped shape in the short one end in one end, the section L shape of the sliding slot and and support frame
Short end match.
As optimization, the cam mechanism is made of rotating cylinder, clockwork spring, fixing axle, and the fixing axle is connected to cylinder
End face on, the fixing axle is connected with the inner end of clockwork spring, and the tail end of the clockwork spring is embedded in rotating cylinder side.
Beneficial effect
When the utility model is used, if cylinder is located at right side, just start the headstock in left side, if cylinder is located at a left side
Side then starts the headstock on right side, starts motor, drives ratchet rotation by transmission belt, buffers electricity by the transmission of transmission belt
The impact of machine, plays a protective role to motor, and ratchet rotation drives winding wheel to be wound by pawl, passes through ratchet and system
The cooperation of pawl can not generate transmission to motor when winding wheel carries out counter motion, and winding wheel pulls cylinder by winding rope
It is moved on electric wire, frictional force can be reduced by pulley, kept movement more smooth, mentioned between pulley and electric wire by spring
For moveable space, convenient for passing through when electric wire is stained with foreign matter and can not clear up, 2 can be made by synchronous holding meanss
A carriage keeps synchronization telescope, keeps cylinder central axes and electric wire always consistent, passes through the effect of clump weight when mobile
It can play the role of positioning to cylinder, prevent the rotation of cylinder, be cooperated by wiring and groove, be able to drive cutter in cylinder
It is rotated, is cut sharper, it is easier to foreign matter is cut, the design of support frame and sliding slot can be right simultaneously when mobile
Cutter is positioned, and prevents from being detached from, and ball can reduce friction when tool apron rotates, will be to clockwork spring when tool apron rotation
Spring is tightened, and when counter motion, by the effect of clockwork spring, is able to drive other side cutter and is carried out reset rotation.
It can compared with prior art, the utility model has the beneficial effects that being provided between pulley and electric wire by spring
Mobile space, convenient for passing through when electric wire is stained with foreign matter and can not clear up, cutter is rotated when cylinder is mobile, is cut
It cuts sharper, it is easier to foreign matter be cut, guarantee the normal operation of equipment, improve working efficiency, kept by synchronous
Device can make 2 carriages keep synchronization telescope, keep cylinder central axes and electric wire always consistent, support frame and sliding slot
Design cutter can be positioned, prevent from being detached from.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of novel high-voltage line foreign matter cleaning equipment of the utility model.
Fig. 2 is the schematic diagram of the section structure of Fig. 1.
Fig. 3 is the refinement structural schematic diagram of the utility model cleaning plant left side.
In figure: the first electric pole 1, cleaning plant 2, the second electric pole 3, electric wire 4, headstock 20, rotary cutting apparatus 21,
Cylinder 22, carriage 23, clump weight 24, synchronous holding meanss 25, cam mechanism 26, otic placode 27, cabinet 200, motor 201,
Driving wheel 202, transmission belt 203, driven wheel 204, one-way mechanism 205, winding rope 206, winding wheel 207, shaft 208, pedestal
209, ratchet 2051, limited block 2052, pawl 2053, latch plate 230, spring 231, pulley 232, wheel seat 233, sliding sleeve 250,
Guide rod 251, lower link 252, compressed spring 253, upper connecting rod 254, sliding block 255, sliding rail 256, cutter 210, tool apron 211, groove
212, sliding slot 213, support frame 214, ball 215, wiring 216, bracket 217, pulley blocks 218, rotating cylinder 260, clockwork spring 261,
Fixing axle 262.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of novel high-voltage line foreign matter cleaning equipment technical solution: its structure
Including the first electric pole 1, cleaning plant 2, the second electric pole 3, electric wire 4, first electric pole 1 and the second electric pole 3 are mutually
In parallel, it is connected between first electric pole 1 and the second electric pole 3 by electric wire 4, the electric wire 4 is equipped with cleaning plant
2, the cleaning plant 2 is connected with the first electric pole 1, cleaning plant 2 respectively, and the cleaning plant 2 is by headstock 20, rotation
Cutter device 21, cylinder 22, carriage 23, clump weight 24, synchronous holding meanss 25, cam mechanism 26, otic placode 27 form, institute
Stating the inside of cylinder 22, two sides are respectively equipped between 23,2 carriages 23 of carriage and match with electric wire 4 up and down, the cylinder
Synchronous holding meanss 25 are separately installed at left and right sides of the inside of body 22, the two sides of the carriage 23 are kept with synchronous respectively
Device 25 is hinged, and is separately installed with rotary cutting apparatus 21, the rotary cutting apparatus 21 on the outside of the both ends of the cylinder 22
It is flexibly connected with cam mechanism 26, the lateral surface of the cylinder 22 is connected with clump weight 24, the opposite side of the clump weight 24
Equipped with otic placode 27, the otic placode 27 is welded on the lateral surface of cylinder 22, and the otic placode 27 is connected with 2 headstocks 20 respectively, and 2
A headstock 20 is separately fixed at the first electric pole 1, on the second electric pole 3.
The headstock 20 is by cabinet 200, motor 201, driving wheel 202, transmission belt 203, driven wheel 204, one-way mechanism
205, winding rope 206, winding wheel 207, shaft 208, pedestal 209 form, and are equipped with motor 201, the electricity in the cabinet 200
Machine 201 is connected with driving wheel 202, and the driving wheel 202 is sequentially connected by transmission belt 203 and driven wheel 204, described driven
Wheel 204 is mounted in shaft 208, and the both ends of the shaft 208 are set on pedestal 209, in the pedestal 209 and cabinet 200
Side is fixedly connected, and the driven wheel 204 is flexibly connected by one-way mechanism 205 with winding wheel 207.
The one-way mechanism 205 is made of ratchet 2051, limited block 2052, pawl 2053, the ratchet 2051 with from
Driving wheel 204 is parallel to each other and is mounted in shaft 208, and the ratchet 2051 is matched with pawl 2053, the pawl
2053 are hinged on winding wheel 207, and 2053 side of pawl is equipped with limited block 2052, and the limited block 2052 is welded on receipts
On rolling wheel 207.
The carriage 23 is made of latch plate 230, spring 231, pulley 232, wheel seat 233, the latch plate 230 with
Wheel seat 233 is parallel to each other, and spring 231 is connected between the latch plate 230 and wheel seat 233, is equipped on the wheel seat 233
The pulley 232 of even distribution, the pulley 232 are slidably connected with electric wire 4, and the two sides of the wheel seat 233 are filled with synchronous holding respectively
25 are set to be connected.
The synchronous holding meanss 25 by sliding sleeve 250, guide rod 251, lower link 252, compressed spring 253, upper connecting rod 254,
Sliding block 255, sliding rail 256 form, and the sliding rail 256 is mutually perpendicular to wheel seat 233, and the both ends of the sliding rail 256 are connected to cylinder
22 inner walls, the sliding rail 256 are equipped with sliding block 255 with matching, and the sliding block 255 is fixedly connected with wheel seat 233, described
256 back side of sliding rail is vertical with guide rod 251 to be connect, and sliding sleeve 250 with matching, the sliding sleeve are arranged on the guide rod 251
Compressed spring 253 is equipped between 250 and sliding rail 256, the compressed spring 253 is set in 251 outer surface of guide rod, the guide rod
251 respectively by lower link 252, upper connecting rod 254 and 2 carriage 23 wheel seat 233 be hinged, the lower link 252, on
254 structure size of connecting rod is consistent and is symmetrically distributed in the two sides of guide rod 251.
The rotary cutting apparatus 21 is by cutter 210, tool apron 211, groove 212, sliding slot 213, support frame 214, ball
215, wiring 216, bracket 217, pulley blocks 218 form, and the cutter 210 is cone-shaped and symmetry axis is hollow form, described to cut
On knife 210 and tool apron 211, the tool apron 211 is cylinder, and the outer surface of the tool apron 211 is equipped with groove 212, the groove
Wiring 216 is wound on 212, described 216 one end of wiring passes through pulley blocks 218 and is connected with the first electric pole 1, the pulley blocks
218 are mounted on bracket 217, and the bracket 217 is fixedly connected with 22 surface of cylinder, the tool apron 211 and 26 phase of cam mechanism
Connection, the tool apron 211 offer sliding slot 213, and the ball 215 and sliding slot 213 that support frame as described above 214 is equipped with by tail portion slide
Connection, support frame as described above 214 are fixedly connected with cylinder 22.
Support frame as described above 214 is the long U-shaped shape in the short one end in one end, the section L shape of the sliding slot 213 and with support frame 214
Short end match.
The cam mechanism 26 is made of rotating cylinder 260, clockwork spring 261, fixing axle 262, and the fixing axle 262 is connected to
On the end face of cylinder 22, the fixing axle 262 is connected with the inner end of clockwork spring 261, and the tail end of the clockwork spring 261 is embedding
Enter 260 side of rotating cylinder
In use, just start the headstock 20 in left side if cylinder 22 is located at right side, if cylinder 22 is located at left side,
Start the headstock 20 on right side, start motor 201, drives ratchet 2051 to rotate by transmission belt 203, pass through transmission belt 203
It is driven the impact of buffer motor 201, is played a protective role to motor 201, the rotation of ratchet 2051 is driven by pawl 2053 receives
Rolling wheel 207 is wound, can be when winding wheel 207 carries out counter motion not by the cooperation of ratchet 2051 and pawl 2053
Transmission is generated to motor 201, winding wheel 207 is moved on electric wire 4 by 206 pulling cylinder 22 of winding rope, passes through 232 energy of pulley
Frictional force is enough reduced, keeps movement more smooth, provides moveable space between pulley 232 and electric wire 4 by spring 231,
Convenient for passing through when electric wire 4 is stained with foreign matter and can not clear up, 2 carriages 23 can be made by synchronous holding meanss 25
Synchronization telescope is kept, keeps 22 central axes of cylinder and electric wire 4 always consistent, it can be right by the effect of clump weight 24 when mobile
Cylinder 22 plays the role of positioning, prevents the rotation of cylinder 22, is cooperated by wiring 216 and groove 212, is able to drive cutter
210 are rotated simultaneously when cylinder 22 is mobile, are cut sharper, it is easier to be cut to foreign matter, support frame 214 and sliding
The design of slot 213 can position cutter 210, prevent from being detached from, and ball 215 can reduce rubbing when tool apron 211 rotates
It wipes, when tool apron 211 rotates, clockwork spring 261 will be tightened, when counter motion, pass through the work of clockwork spring 261
With being able to drive other side cutter 210 and carry out reset rotation.
The technological progress that the utility model obtains compared with the prior art is: being provided between pulley and electric wire by spring can
Mobile space, convenient for passing through when electric wire is stained with foreign matter and can not clear up, cutter is rotated when cylinder is mobile, is cut
It cuts sharper, it is easier to foreign matter be cut, guarantee the normal operation of equipment, improve working efficiency, kept by synchronous
Device can make 2 carriages keep synchronization telescope, keep cylinder central axes and electric wire always consistent, support frame and sliding slot
Design cutter can be positioned, prevent from being detached from.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (8)
1. a kind of novel high-voltage line foreign matter cleaning equipment, structure include the first electric pole, cleaning plant, the second electric pole,
Electric wire, it is characterised in that:
First electric pole is parallel to each other with the second electric pole, passes through electric wire between first electric pole and the second electric pole
It is connected, the electric wire is equipped with cleaning plant, and the cleaning plant is connected with the first electric pole, cleaning plant respectively；
The cleaning plant is by headstock, rotary cutting apparatus, cylinder, carriage, clump weight, synchronous holding meanss, retraction
Mechanism, otic placode composition；
The inner barrel is respectively equipped with carriage in two sides up and down, matches between 2 carriages with electric wire, the cylinder
Inside at left and right sides of be separately installed with synchronous holding meanss, the two sides of the carriage are mutually cut with scissors with synchronous holding meanss respectively
It connects, rotary cutting apparatus is separately installed on the outside of the both ends of the cylinder, the rotary cutting apparatus and cam mechanism activity connect
It connects, the lateral surface of the cylinder is connected with clump weight, and the opposite side of the clump weight is equipped with otic placode, and the otic placode is welded on cylinder
The lateral surface of body, the otic placode are connected with 2 headstocks respectively, and 2 headstocks are separately fixed at the first electric pole, the second electricity
In line bar.
2. the novel high-voltage line foreign matter cleaning equipment of one kind according to claim 1, it is characterised in that: the headstock by
Cabinet, motor, driving wheel, transmission belt, driven wheel, one-way mechanism, winding rope, winding wheel, shaft, pedestal composition, the cabinet
Motor is inside installed, the motor is connected with driving wheel, and the driving wheel is sequentially connected by transmission belt and driven wheel, described
Driven wheel is mounted in shaft, and the both ends of the shaft are set on pedestal, and the pedestal is fixedly connected with box inside, described
Driven wheel is flexibly connected by one-way mechanism with winding wheel.
3. the novel high-voltage line foreign matter cleaning equipment of one kind according to claim 2, it is characterised in that: the one-way mechanism
It is made of ratchet, limited block, pawl, the ratchet and driven wheel are parallel to each other and are mounted in shaft, the ratchet and system
Pawl matches, and the pawl is hinged on winding wheel, and the pawl side is equipped with limited block, and the limited block is welded on
On winding wheel.
4. the novel high-voltage line foreign matter cleaning equipment of one kind according to claim 1, it is characterised in that: the carriage
It is made of latch plate, spring, pulley, wheel seat, the latch plate is parallel to each other with wheel seat, connects between the latch plate and wheel seat
There is spring, equally distributed pulley is installed on the wheel seat, the pulley is slidably connected with electric wire, the two sides point of the wheel seat
It is not connected with synchronous holding meanss.
5. the novel high-voltage line foreign matter cleaning equipment of one kind according to claim 1 or 4, it is characterised in that: the synchronization
Holding meanss are made of sliding sleeve, guide rod, lower link, compressed spring, upper connecting rod, sliding block, sliding rail, and the sliding rail and wheel seat mutually hang down
Directly, the both ends of the sliding rail are connected to cylinder inboard wall, and the sliding rail is equipped with sliding block with matching, the sliding block and wheel seat
It is fixedly connected, the sliding rail back side is vertical with guide rod to be connect, and sliding sleeve with matching, the sliding sleeve are arranged on the guide rod
Compressed spring is equipped between sliding rail, the compressed spring is set in guide rod outer surface, the guide rod pass through respectively lower link, on
The wheel seat of connecting rod and 2 carriages is hinged, and the lower link, upper connecting rod structure size are consistent and are symmetrically distributed in guide rod
Two sides.
6. the novel high-voltage line foreign matter cleaning equipment of one kind according to claim 1, it is characterised in that: the circumgyration incision
Device is made of cutter, tool apron, groove, sliding slot, support frame, ball, wiring, bracket, pulley blocks, the cutter be cone-shaped and
Symmetry axis is hollow form, and on the cutter and tool apron, the tool apron is cylinder, and the outer surface of the tool apron is equipped with groove, institute
It states and is wound with wiring on groove, described wiring one end passes through pulley blocks and is connected with the first electric pole, and the pulley blocks are mounted on
On bracket, the bracket is fixedly connected with drum surface, and the tool apron is connected with cam mechanism, and the tool apron offers cunning
Slot, the ball that support frame as described above is equipped with by tail portion are slidably connected with sliding slot, and support frame as described above is fixedly connected with cylinder.
7. the novel high-voltage line foreign matter cleaning equipment of one kind according to claim 6, it is characterised in that: support frame as described above is
The long U-shaped shape in the short one end in one end, the section L shape of the sliding slot are simultaneously matched with the short end of support frame.
8. the novel high-voltage line foreign matter cleaning equipment of one kind according to claim 1, it is characterised in that: the cam mechanism
It is made of rotating cylinder, clockwork spring, fixing axle, the fixing axle is connected on the end face of cylinder, the fixing axle and clockwork spring
Inner end be connected, the tail end of the clockwork spring is embedded in rotating cylinder side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622194.2U CN208241183U (en) | 2018-04-27 | 2018-04-27 | A kind of novel high-voltage line foreign matter cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622194.2U CN208241183U (en) | 2018-04-27 | 2018-04-27 | A kind of novel high-voltage line foreign matter cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208241183U true CN208241183U (en) | 2018-12-14 |
Family
ID=64581297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820622194.2U Expired - Fee Related CN208241183U (en) | 2018-04-27 | 2018-04-27 | A kind of novel high-voltage line foreign matter cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208241183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064120A (en) * | 2019-12-28 | 2020-04-24 | 朱传粉 | Special tool for rotary removal of sundries around power line |
-
2018
- 2018-04-27 CN CN201820622194.2U patent/CN208241183U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064120A (en) * | 2019-12-28 | 2020-04-24 | 朱传粉 | Special tool for rotary removal of sundries around power line |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20190427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |